CN104499944B - A kind of diamond compact reamer - Google Patents
A kind of diamond compact reamer Download PDFInfo
- Publication number
- CN104499944B CN104499944B CN201410689163.5A CN201410689163A CN104499944B CN 104499944 B CN104499944 B CN 104499944B CN 201410689163 A CN201410689163 A CN 201410689163A CN 104499944 B CN104499944 B CN 104499944B
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- China
- Prior art keywords
- pin
- hole
- reamer
- connecting pin
- fin
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
Abstract
The invention discloses a kind of diamond compact reamer, including：Six square joints（1）；First connecting rod（2）；The first housing（3）；Connecting pin（4）；Second connecting rod（5）；Fin（6）；Diamond compact（7）；Steady pin（8）；The second housing（9）；Connecting shaft（10）；3rd body（11）；Plane cylinder roller bearing（12）；4th body（13）；Protecting sleeve for thread（14）, connecting pin（15）；Connecting pin（16）.The fin（6）With the socket for being arranged in flap apex and outside（601）, and by radial welding diamond compact in socket（7）As the cutting tooth of reamer.After such scheme, under the pressure of the drill or Action of Gravity Field, transmitting stress by connecting rod and connecting pin makes the fin of reamer two be rotated along steady pin, realizes the closure of the fin of reamer two and opens, completes the extension to shaped hole specified location.
Description
Technical field
The present invention relates to the Buddha's warrior attendant that the fields such as a kind of Hydraulic and Hydro-Power Engineering, science of bridge building, mineral engineering, architectural engineering are used
Stone composite sheet reamer.
Background technology
The shape for the diamond compact reamer drilling being conventionally used in engineering drilling is as shown in figure 17；Requirement of engineering is bored
When entering the extension of shaped hole specified location of shape as shown in figure 18, the diamond compact reamer of traditional structure can not be complete
Into.
The content of the invention
The present invention provides a kind of diamond compact reamer, and the extension to realize shaped hole specified location solves to pass
System reamer can not realize the extension to shaped hole specified location.
The technical scheme that present invention solution above-mentioned technical problem is taken is as follows：
A kind of diamond compact reamer, including：Six square joints（1）；First connecting rod（2）；The first housing（3）；Connection
Pin（4）；Second connecting rod（5）；Fin（6）；Diamond compact（7）；Steady pin（8）；The second housing（9）；Connecting shaft（10）；The
Three bodies（11）；Plane cylinder roller bearing（12）；4th body（13）；Protecting sleeve for thread（14）, connecting pin（15）；Connecting pin
（16）.The fin 6 has the socket for being arranged in flap apex and outside（601）, and by radial welding diamond in socket
Cutting tooth of the composite sheet 7 as reamer；The connecting pin 4 extends through six square joints, and passes through first connecting rod；Connecting pin 15
Second connecting rod is extended through, and passes through first connecting rod；Connecting pin 16 extends through fin, and the connecting pin 16 after passing through again through
Second connecting rod, it transmits stress under the pressure of the drill or Action of Gravity Field, by connecting rod and connecting pin makes the fin of reamer two along fixation
Rotated centered on pin 8, realize the closure of the fin of reamer two and open, complete the extension to shaped hole specified location.
Further, it is preferred that, six square joint 1（Fig. 3）With the first internal thread（101）, clamp groove（102）、
First pin-and-hole（103）, outer six square joint（104）；And six square joint pass through the first internal thread（101）It is connected with drilling rod external screw thread,
Power is provided for drilling；The clamp groove（102）, it is easy to the handling of reamer and drilling rod；
The first connecting rod 2（Fig. 5）, specifically include：First connecting pin bores（201）With the second connecting pin bores（202）, and institute
State connecting pin（4）Extend through the first pin-and-hole of six square joints（103）And first connecting pin bores（201）, both are connected to
Together, and connecting pin with both at gap coordinate.
Further, it is preferred that, the first housing 3（Fig. 4）Have：Interior six square groove（301）With the first external screw thread
（302）, and outer six square joints（104）With interior six square groove（301）Coordinate assembling, the two coordinates for gap；
The second connecting rod 5（Fig. 6）, specifically include：3rd connecting pin bores（501）With the 4th connecting pin bores（502）；And institute
State the second connecting pin bores that connecting pin 15 extends through first connecting rod（202）And the 3rd connecting pin bores of second connecting rod（501）,
Both are linked together, and connecting pin both at gap with coordinating.
Further, it is preferred that, the fin 6（Fig. 7）, further, it is preferred that, the thickness of fin is general by rock
Number of levels and reamer diameter are determined.Flap apex can be calculated according to rock stratum series（Generally take 0 ° ~ 18 °）Angle；Pass through milling
Bed processes the socket for being arranged in flap apex and outside（601）, the depth of piece nest by rock stratum series, reamer diameter and
The aspect of stress point three is determined, by radial welding diamond compact 7 in socket, as the cutting tooth of reamer.（602）To protect
Footpath groove, is generally opened in fin side, radial welding alloy bar；Prevent drill bit undergauge；Second pin-and-hole（603）, connecting pin in Fig. 1
（16）Extend through the second pin-and-hole（603）With the 4th connecting pin bores（502）；Connecting pin 16 both at gap with coordinating；3rd
Pin-and-hole（604）.
Further, it is preferred that, the second housing 9（Fig. 8）, specifically include：Second internal thread（901）, the 4th pin
Hole（902）, the second external screw thread（903）And wing tank（904）, and the second internal thread（901）With the external screw thread of the first housing 3
（302）It is connected through a screw thread；The steady pin 8 extends through the 4th pin-and-hole of the second housing 9（902）And fin（6）The 3rd
Pin-and-hole（604）.
4th pin-and-hole of the steady pin 8 and the second housing（902）For secure fit, the 3rd pin-and-hole with fin（604）
Coordinate for gap, thus the fin is rotated centered on steady pin 8, wherein, the width and length of the wing tank and institute
The width and overhang for stating fin are corresponding.
Further, it is preferred that, the connecting shaft 10（Fig. 9）, with limit body（1001）；Shaft core（1002）；3rd
External screw thread（1003）；
3rd body 11（Figure 10）, have：3rd internal thread（1101）, the second external screw thread with the second housing
（903）It is connected through a screw thread；5th pin-and-hole（1102）；First handling hole（1103）；Bearing groove（1104）, the interior interference fit peace of groove
Fill plane roller bearing；
Further, it is preferred that, the 4th body 13（Figure 11）, have：4th internal thread（1301）；Connecting shaft axle
Core（1002）Extend through the 5th pin-and-hole of the 3rd body（1102）.The two coordinates for gap.3rd external screw thread（1003）With
The 4th internal thread connection of four bodies（1301）.3rd body 11 and the 4th body 13 are connected；The two passes through plane roller bearing
12 relatively rotate；Its purpose prevents that reamer is crept into along radial direction during drilling, influence specified location extension hole site
Accuracy；Second handling hole（1302）；When mounting and dismounting four bodies 13, auxiliary rod is loaded in handling hole.（1303）For
Four external screw threads；
Further, it is preferred that, the protecting sleeve for thread 14（Figure 12）, specifically include：5th internal thread（1401）, with
4th external screw thread of the 4th body（1303）Connection, the 3rd handling hole（1402）, for mounting and dismounting protecting sleeve for thread fashionable dress
Enter auxiliary rod.Protecting sleeve for thread length dimension is determined by first order shaped hole specified location.
Further, it is preferred that, connecting pin link and fixed form：
Connecting pin 4（Figure 13）, length is in six square joints 1（104）Outer six square joints size is determined；Diameter is by force analysis
Calculate and determine.During connection, the interior six square grooves limitation connecting pin in the first housing 1（4）Move horizontally, to 4 spacing works of connecting pin
With, it is ensured that the stability of connection.
Connecting pin 15（Figure 14）,（1501）For the first limit body,（1502）For the first limit pin hole；The length of connecting pin 15 by
First connecting rod（2）With the connecting rod（5）Width is determined；Diameter is determined by Calculation and Analysis of Force.During connection,（1502）Spacer pin
Load resilient key in hole, limitation connecting pin is moved horizontally.
Connecting pin 16（Figure 15）,（1601）For the second limit body,（1602）For the second limit pin hole；The length of connecting pin 16 by
Second connecting rod（5）Determined with fin width；Diameter is determined by Calculation and Analysis of Force.During connection,（16-2）Limit pin hole is built-in
Enter resilient key, limitation connecting pin is moved horizontally.
Steady pin 8（Figure 16）, length is determined by the 3rd body diameter, and can not be more than the 3rd body diameter；Its diameter by
Calculation and Analysis of Force is determined；Steady pin two ends are fixed on the 3rd body with welding manner after connection.
Further, in the diamond compact reamer, the length of each connecting rod, thickness depends on fin open-angle C.
The connecting pin bores that head rod and the second connecting rod two ends are processed by milling machine respectively, matches somebody with somebody between connecting pin and pin-and-hole for gap
Close, it is ensured that motion is smoothly completed between connector.
Further, in the diamond compact reamer, the first housing in Fig. 1（3）, the second housing (9), the 3rd machine
Body (11), the 4th body (13) and protecting sleeve for thread (14) constitute the targeting part of diamond compact reamer, diameter by
Datum hole diameter is determined.During drilling, correcting and orientation are provided for reamer.
Further, when the diamond compact reamer is to the extension of shaped hole specified location, diamond compact
When reamer is rotated under the effect of certain the pressure of the drill, connecting shaft (10), the 4th body in Fig. 1（13）And protecting sleeve for thread（14）It is
It will not rotate together.In the 3rd body（12）Bearing groove（1104）The plane roller bearing that interior interference fit is installed is by rotary power
Balance.Protecting sleeve for thread（14）Front end face is in contact to determine the position of shaped hole with datum hole bottom hole.Its purpose ensures that shaping is fixed
Accuracy of the position hole site in datum hole.
When shaped hole specified location extends two-stage and two-stage above shaped hole, protecting sleeve for thread is disassembled（14）, in connection
Drilling rod, the 4th external screw thread（1303）It is connected with drilling rod internal thread, externally threaded parameter is adapted with drill rod thread parameter.According into
The position difference of shape positioning hole can be in the external screw thread of the 4th body the 4th（1303）It is upper to connect multistage drilling rod to complete two-stage and two-stage
The extension of above shaped hole specified location.
Further, the shape of prior art diamond compact reamer drilling completion metapore is as shown in figure 17.This hair
Bright disclosed diamond compact reamer is as shown in figure 18 to hole shape after the completion of the extension of shaped hole specified location；The Buddha's warrior attendant
Stone composite sheet reamer can complete shaping hole shape as shown in figure 17, while the shaped hole as shown in figure 18 can be completed
The extension of shape.In Figure 18, the angle C scope of application is adjusted in 0o ＜ C ＜ 90o, requirement that can be according to client to hole shape, design
Calculate the internal structure parameter of diamond compact reamer.
After such scheme, under the pressure of the drill or Action of Gravity Field, stress is transmitted by connecting rod and connecting pin
The fin of reamer two is rotated along steady pin, realize the closure of the fin of reamer two and open, complete to shaped hole specific bit
The extension put, and diamond compact is welded on fin as drilling cutting tooth.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Brief description of the drawings
The present invention is described in detail below in conjunction with the accompanying drawings, to cause the above-mentioned advantage of the present invention definitely.Its
In,
Fig. 1 is diamond compact reamer structural representation of the invention；
Fig. 2 is the diamond compact reamer structural representation of the present invention；
Fig. 3 is six square joint structural representations in the present invention；
Fig. 4 is first housing structural representation in the present invention；
Fig. 5 is first connecting rod structural representation in the present invention；
Fig. 6 is second connecting rod structural representation in the present invention；
Fig. 7 is tab construction schematic diagram in the present invention；
Fig. 8 is second housing structural representation in the present invention；
Fig. 9 is connecting axle structure schematic diagram in the present invention；
Figure 10 is the 3rd housing construction schematic diagram in the present invention；
Figure 11 is the 4th housing construction schematic diagram in the present invention；
Figure 12 is protecting sleeve for thread structural representation in the present invention；
Figure 13 is the structural representation of connecting pin 4 in the present invention；
Figure 14 is the structural representation of connecting pin 15 in the present invention；
Figure 15 is the structural representation of connecting pin 16 in the present invention；
Figure 16 is the structural representation of steady pin 8 in the present invention；
Figure 17 is the diamond compact reamer shaped hole schematic shapes of prior art；
Figure 18 is that diamond compact reamer of the present invention can be with the schematic diagram of shaped hole.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, how the present invention is applied whereby
Technological means solves technical problem, and reaches the implementation process of technique effect and can fully understand and implement according to this.Need explanation
As long as not constituting each embodiment in conflict, the present invention and each feature in each embodiment can be combined with each other,
The technical scheme formed is within protection scope of the present invention.
The object of the present invention is to realize the extension of shaped hole specified location, solving traditional reamer can not realize to shaping
The extension of hole specified location.
A kind of diamond compact reamer, including：Six square joints（1）；First connecting rod（2）；The first housing（3）；Connection
Pin（4）；Second connecting rod（5）；Fin（6）；Diamond compact（7）；Steady pin（8）；The second housing（9）；Connecting shaft（10）；The
Three bodies（11）；Plane cylinder roller bearing（12）；4th body（13）；Protecting sleeve for thread（14）, connecting pin（15）；Connecting pin
（16）.The fin（6）With the socket for being arranged in flap apex and outside（601）, and by radial welding Buddha's warrior attendant in socket
Stone composite sheet（7）As the cutting tooth of reamer；The connecting pin 4 extends through six square joints, and passes through first connecting rod；Connection
Pin（15）Second connecting rod is extended through, and passes through first connecting rod；Connecting pin（16）Extend through fin, and the connecting pin after passing through
（16）Again through second connecting rod, it transmits stress under the pressure of the drill or Action of Gravity Field, by connecting rod and connecting pin makes reamer both wings
Piece is along steady pin（8）Centered on rotate, realize the closure of the fin of reamer two and open, complete to shaped hole specified location
Extension.
Further, it is preferred that, six square joint 1（Fig. 3）With the first internal thread（101）, clamp groove（102）、
First pin-and-hole（103）, outer six square joint（104）；And six square joint pass through the first internal thread（101）It is connected with drilling rod external screw thread,
Power is provided for drilling；The clamp groove（102）, it is easy to the handling of reamer and drilling rod；
The first connecting rod 2（Fig. 5）, specifically include：First connecting pin bores（201）With the second connecting pin bores（202）, and institute
State the first pin-and-hole that connecting pin 4 extends through six square joints（103）And first connecting pin bores（201）, both are connected to one
Rise, and connecting pin both at gap with coordinating.
Further, it is preferred that, the first housing 3（Fig. 4）Have：Interior six square groove（301）With the first external screw thread
（302）, and outer six square joints（104）With interior six square groove（301）Coordinate assembling, the two coordinates for gap；
The second connecting rod 5（Fig. 6）, specifically include：3rd connecting pin bores（501）With the 4th connecting pin bores（502）；And institute
State the second connecting pin bores that connecting pin 15 extends through first connecting rod（202）And the 3rd connecting pin bores of second connecting rod（501）,
Both are linked together, and connecting pin both at gap with coordinating.
Further, it is preferred that, the fin 6（Fig. 7）, further, it is preferred that, the thickness of fin is general by rock
Number of levels and reamer diameter are determined.Flap apex can be calculated according to rock stratum series（Generally take 0 ° ~ 18 °）Angle；Pass through milling
Bed processes the socket for being arranged in flap apex and outside（601）, the depth of piece nest by rock stratum series, reamer diameter and
The aspect of stress point three is determined, by radial welding diamond compact 7 in socket, as the cutting tooth of reamer.（602）To protect
Footpath groove, is generally opened in fin side, radial welding alloy bar；Prevent drill bit undergauge；Second pin-and-hole（603）, connecting pin in Fig. 1
16 extend through the second pin-and-hole（603）With the 4th connecting pin bores（502）；Connecting pin 16 both at gap with coordinating；3rd pin
Hole（604）.
The second housing 9（Fig. 8）, specifically include：Second internal thread（901）, the 4th pin-and-hole（902）, the second external screw thread（903）
And wing tank（904）, and the second internal thread（901）With the external screw thread of the first housing 3（302）It is connected through a screw thread；The fixation
Pin 8 extends through the 4th pin-and-hole of the second housing 9（902）And the 3rd pin-and-hole of fin 6（604）.
4th pin-and-hole of the steady pin 8 and the second housing（902）For secure fit, the 3rd pin-and-hole with fin（604）
Coordinate for gap, thus the fin is rotated centered on steady pin 8, width and length and the fin of the wing tank
Width and overhang it is corresponding.
Further, it is preferred that, the connecting shaft 10（Fig. 9）, with limit body（1001）；Shaft core（1002）；3rd
External screw thread（1003）；
3rd body 11（Figure 10）, have：3rd internal thread（1101）, the second external screw thread with the second housing
（903）It is connected through a screw thread；5th pin-and-hole（1102）；First handling hole（1103）；Bearing groove（1104）, the interior interference fit peace of groove
Fill plane roller bearing；
Further, it is preferred that, the 4th body 13（Figure 11）, have：4th internal thread（1301）；Connecting shaft axle
Core（1002）Extend through the 5th pin-and-hole of the 3rd body（1102）.The two coordinates for gap.3rd external screw thread（1003）With
The 4th internal thread connection of four bodies（1301）.3rd body 11 and the 4th body 13 are connected；The two passes through plane roller bearing
12 relatively rotate；Its purpose prevents that reamer is crept into along radial direction during drilling, influence specified location extension hole site
Accuracy；Second handling hole（1302）；When mounting and dismounting four bodies 13, auxiliary rod is loaded in handling hole.（1303）For
Four external screw threads；
Further, it is preferred that, the protecting sleeve for thread 14（Figure 12）, including：5th internal thread（1401）, with the 4th
4th external screw thread of body（1303）Connection, the 3rd handling hole（1402）, load auxiliary during protecting sleeve for thread for mounting and dismounting
Help bar.Protecting sleeve for thread length dimension is determined by first order shaped hole specified location.
Further, it is preferred that, connecting pin link and fixed form：
Connecting pin 4（Figure 13）, length is in six square joints 1（104）Outer six square joints size is determined；Diameter is by force analysis
Calculate and determine.During connection, the interior six square grooves limitation connecting pin in the first housing 1（4）Move horizontally, to 4 spacing works of connecting pin
With, it is ensured that the stability of connection.
Connecting pin 15（Figure 14）,（1501）For the first limit body,（1502）For the first limit pin hole；The length of connecting pin 15 by
First connecting rod（2）With the connecting rod（5）Width is determined；Diameter is determined by Calculation and Analysis of Force.During connection,（1502）Spacer pin
Load resilient key in hole, limitation connecting pin is moved horizontally.
Connecting pin 16（Figure 15）,（1601）For the second limit body,（1602）For the second limit pin hole；The length of connecting pin 16 by
Second connecting rod（5）Determined with fin width；Diameter is determined by Calculation and Analysis of Force.During connection,（16-2）Limit pin hole is built-in
Enter resilient key, limitation connecting pin is moved horizontally.
Steady pin 8（Figure 16）, length is determined by the 3rd body diameter, and can not be more than the 3rd body diameter；Its diameter by
Calculation and Analysis of Force is determined；Steady pin two ends are fixed on the 3rd body with welding manner after connection.
Further, in the diamond compact reamer, the length of each connecting rod, thickness depends on fin open-angle C.
The connecting pin bores that head rod and the second connecting rod two ends are processed by milling machine respectively, matches somebody with somebody between connecting pin and pin-and-hole for gap
Close, it is ensured that motion is smoothly completed between connector.
Further, in the diamond compact reamer, the first housing in Fig. 1（3）, the second housing (9), the 3rd machine
Body (11), the 4th body (13) and screw buckle protective case (14) constitute the targeting part of diamond compact reamer, diameter
Determined by datum hole diameter.During drilling, correcting and orientation are provided for reamer.
Further, when the diamond compact reamer is to the extension of shaped hole specified location, diamond compact
When reamer is rotated under the effect of certain the pressure of the drill, connecting shaft (10), the 4th body in Fig. 1（13）And protecting sleeve for thread（14）It is
It will not rotate together.In the 3rd body（12）Bearing groove（1104）The plane roller bearing that interior interference fit is installed is by rotary power
Balance.Protecting sleeve for thread（14）Front end face is in contact to determine the position of shaped hole with datum hole bottom hole.Its purpose ensures that shaping is fixed
Accuracy of the position hole site in datum hole.
When shaped hole specified location extends two-stage and two-stage above shaped hole, protecting sleeve for thread is disassembled（14）, in connection
Drilling rod, the 4th external screw thread（1303）It is connected with drilling rod internal thread.Externally threaded parameter is adapted with drill rod thread parameter.According into
The position difference of shape positioning hole can be in the external screw thread of the 4th body the 4th（1303）It is upper to connect multistage drilling rod to complete two-stage and two-stage
The extension of above shaped hole specified location.
Further, the shape of prior art diamond compact reamer drilling completion metapore is as shown in figure 17.This hair
Bright disclosed diamond compact reamer is as shown in figure 18 to hole shape after the completion of the extension of shaped hole specified location；The Buddha's warrior attendant
Stone composite sheet reamer can complete shaping hole shape as shown in figure 17, while the shaped hole as shown in figure 18 can be completed
The extension of shape.In Figure 18, the angle C scope of application is adjusted in 0o ＜ C ＜ 90o, requirement that can be according to client to hole shape, design
Calculate the internal structure parameter of diamond compact reamer.
In the present invention, the expansion process of shaped hole specified location：
A. during the extension of shaped hole specified location, it is necessary to which first this datum hole of the drilling of completion datum hole is generally upright opening.
B. it is lower when boring, under gravity, by the first housing 3, the second housing 9, the 3rd body 11, the 4th body 13 and
Protecting sleeve for thread 14 constitutes the guiding of diamond compact reamer, is done relative motion along vertical direction with six square joints 1.Six
Square joint 1 drives first connecting rod along datum hole upward vertical movement by connecting pin 4, and first connecting rod drives the by connecting pin 15
Two connecting rods are rotated centered on connecting pin 15, and second connecting rod drives two fins 6 centered on steady pin 8 respectively by connecting pin 16
Rotation.During stress balance, two fins closure completely is as shown in Figure 2；Relative displacement between Q is six square joints and is oriented in Fig. 2
Amount.Two fins are closed completely, it is ensured that going down process is smoothed out.
C. the specified location that the first order treats extension forming hole is got under reamer.
D. under the effect of certain the pressure of the drill, six square joints 1 can be along datum hole vertical downward movement, and connecting pin 4 drives first to connect
Bar vertical downward movement, first connecting rod drives second connecting rod to be rotated centered on connecting pin 15 by connecting pin 15；Second connection
Bar drives two fins 6 to be rotated centered on steady pin 8 respectively by connecting pin 16.During stress balance, two fins open completely as
Shown in Fig. 1.
E. when the extension of shaped hole specified location starts, UR device is driven to rotate in rig drilling speed and the pressure of the drill, both wings
The diamond compact 7 welded on piece 6 is crept into as cutting tooth, completes the extension of shaping positioning hole.
F. when the extension of shaped hole specified location terminates to carry brill, the square joint 1 of pulling force six for proposing brill generation can be vertical along datum hole
Motion upwards.First connecting rod upward vertical movement is driven by connecting pin 4, first connecting rod drives second connecting rod by connecting pin 15
Rotated centered on connecting pin 15, second connecting rod drives two fins 6 to be rotated centered on steady pin 8 respectively by connecting pin 16.
During stress balance, two fins closure completely is as shown in Figure 2.Ensure that drilling process is smoothly completed.
G. the extension of first order shaped hole specified location terminates；
H. brill is carried.
When I. needing to extend two-stage and two-stage above hole to shaped hole specified location, the screw thread for disassembling reamer front end is protected
Drilling rod in sheath 14, connection, can realize the extension of next stage shaped hole specified location according to above B to H process.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of diamond compact reamer, including：Six square joints（1）；First connecting rod（2）；The first housing（3）；Connecting pin
（4）；Second connecting rod（5）；Fin（6）；Diamond compact（7）；Steady pin（8）；The second housing（9）；Connecting shaft（10）；3rd
Body（11）；Plane cylinder roller bearing（12）；4th body（13）；Protecting sleeve for thread（14）, connecting pin（15）；Connecting pin
（16）, it is characterised in that the fin（6）With the socket for being arranged in flap apex and outside（601）, and will radiation in socket
Shape welds diamond compact（7）As the cutting tooth of reamer；The connecting pin（4）Extend through six square joints（1）, and wear
Cross first connecting rod；Connecting pin（15）Second connecting rod is extended through, and passes through first connecting rod；Connecting pin（16）Extend through fin,
And the connecting pin after passing through（16）Again through second connecting rod, it is transmitted under the pressure of the drill or Action of Gravity Field by connecting rod and connecting pin
Stress makes the fin of reamer two along steady pin（8）Centered on rotate, to cause the closure of the fin of reamer two and open, complete
Extension to shaped hole specified location；Six square joint（1）There is the first internal thread（101）, clamp groove（102）, the first pin-and-hole
（103）, outer six square joint（104）；And six square joint pass through the first internal thread（101）It is connected with drilling rod external screw thread, is reamer
Drilling provides power；The clamp groove（102）, it is easy to the handling of reamer and drilling rod；
The first connecting rod（2）, specifically include：First connecting pin bores（201）With the second connecting pin bores（202）, and the connection
Pin（4）Extend through the first pin-and-hole of six square joints（103）And first connecting pin bores（201）, both are linked together, and
Connecting pin both at gap with coordinating.
2. diamond compact reamer according to claim 1, it is characterised in that the first housing（3）Have：Interior six side
Groove（301）With the first external screw thread（302）, and outer six square joints（104）With interior six square groove（301）Coordinate assembling, the two is
Gap coordinates；
The second connecting rod（5）, specifically include：3rd connecting pin bores（501）With the 4th connecting pin bores（502）；And the connection
Pin（15）Extend through the second connecting pin bores of first connecting rod（202）And the 3rd connecting pin bores of second connecting rod（501）, by two
Person links together, and connecting pin（15）With coordinating both at gap.
3. diamond compact reamer according to claim 2, it is characterised in that the fin（6）Thickness by rock stratum level
Number and reamer diameter determine that top takes 0 ° ~ 18 angles；The socket for being arranged in flap apex and outside is processed by milling machine
（601）, the depth of piece nest is determined by rock stratum series, reamer diameter and the aspect of stress point three, by radial welding gold in socket
Hard rock composite sheet（7）, as the cutting tooth of reamer, gauge groove（602）It is opened in fin side, radial welding alloy bar；It is anti-
Only drill bit undergauge；Second pin-and-hole（603）, connecting pin（16）Extend through the second pin-and-hole（603）With the 4th connecting pin bores（502）；
Connecting pin（16）With coordinating both at gap；In addition, also having the 3rd pin-and-hole（604）.
4. diamond compact reamer according to claim 3, it is characterised in that the second housing（9）, specifically include：
Second internal thread（901）, the 4th pin-and-hole（902）, the second external screw thread（903）And wing tank（904）, and the second internal thread（901）
With the first housing（3）External screw thread（302）It is connected through a screw thread；The steady pin（8）Extend through the second housing（9）The 4th
Pin-and-hole（902）And fin（6）The 3rd pin-and-hole（604）；
The steady pin（8）With the 4th pin-and-hole of the second housing（902）For secure fit, the 3rd pin-and-hole with fin（604）For
Gap coordinates, and thus the fin is with steady pin（8）Centered on rotate, wherein, the width and length of the wing tank and institute
The width and overhang for stating fin are corresponding.
5. diamond compact reamer according to claim 4, it is characterised in that the connecting shaft（10）, specifically include：Limit
Position body（1001）；Shaft core（1002）；3rd external screw thread（1003）.
6. diamond compact reamer according to claim 5, it is characterised in that the 3rd body（11）, have：3rd
Internal thread（1101）, the second external screw thread with the second housing（903）It is connected through a screw thread；5th pin-and-hole（1102）；First handling
Hole（1103）；Bearing groove（1104）, the interior interference fit mounting plane roller bearing of groove.
7. diamond compact reamer according to claim 6, it is characterised in that the 4th body（13）Have：4th
Internal thread（1301）；Connecting shaft shaft core（1002）Extend through the 5th pin-and-hole of the 3rd body（1102）, the two coordinates for gap；
3rd external screw thread（1003）It is connected with the 4th internal thread of the 4th body（1301）, the 3rd body（11）With the 4th body
（13）Connection；The two passes through plane roller bearing（12）Relatively rotate；To prevent that reamer is bored along radial direction during drilling
Enter, it is ensured that specified location extends the accuracy of hole site；Second handling hole（1302）；Mount and dismount the 4th body（13）When,
Load auxiliary rod in handling hole, in addition, being additionally provided with the 4th external screw thread（1303）.
8. diamond compact reamer according to claim 7, it is characterised in that the protecting sleeve for thread（14）, including：The
Five internal threads（1401）, the 4th external screw thread with the 4th body（1303）Connection, the second handling hole（1402）, for pacifying installation and dismantling
Load auxiliary rod when unloading protecting sleeve for thread, protecting sleeve for thread length dimension is determined by first order shaped hole specified location.
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| CN201410689163.5A CN104499944B (en) | 2014-11-26 | 2014-11-26 | A kind of diamond compact reamer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689163.5A CN104499944B (en) | 2014-11-26 | 2014-11-26 | A kind of diamond compact reamer |
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| Publication Number | Publication Date |
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| CN104499944A CN104499944A (en) | 2015-04-08 |
| CN104499944B true CN104499944B (en) | 2017-09-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017132052A1 (en) | 2016-01-28 | 2017-08-03 | Schlumberger Technology Corporation | Underreamer cutter block |
| CN108603396B (en) | 2016-01-28 | 2020-07-07 | 斯伦贝谢技术有限公司 | Step type under-reaming device blade |
| CN106217661B (en) * | 2016-08-08 | 2018-03-30 | 浙江水利水电学院 | Rock-boring makes seam device and makes seam method |
| CN106958419B (en) * | 2017-05-27 | 2018-08-17 | 河南理工大学 | Mine anchor rod hole screw drive formula reaming drilling rod |
| CN108505946B (en) * | 2018-04-13 | 2023-10-13 | 吉林大学 | Variable diameter hot-melt drill bit for drilling snow layer |
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