CN105136189B

CN105136189B - Safe antenna

Info

Publication number: CN105136189B
Application number: CN201410240977.0A
Authority: CN
Inventors: 刘明利
Original assignee: Jike Science and Technology Co Ltd
Current assignee: Jike Science and Technology Co Ltd
Priority date: 2014-06-03
Filing date: 2014-06-03
Publication date: 2017-08-25
Anticipated expiration: 2034-06-03
Also published as: CN105136189A

Abstract

Set the touching induction element like A Cat's Whiskers function that insertion body collision can be avoided to be inserted into body in the insertion end of equipment, the present invention can be swung using one and transportable object is as antenna, pivot angle is converted into displacement, by measuring displacement sensing collision, antenna is used as using the structural member like steering wheel, in antenna side-sway or axial float, sensor can be with sender.

Description

Safe antenna

Technical field

A kind of sensor special, the object for doing relatively interspersed action of two relative motions, does not allow especially mutually to touch In the case of hitting, to avoid accidental collision, installing a touching element like cat beard function in the front end of insertion equipment can be with Perceive, in time parking, it is to avoid accident occurs, can be applied to various equipments, in equipment.

Background technology

In production process of steel coil, demand lifts coil of strip sometimes, and one of its method is provoked by center portion, provokes coil of strip Equipment its adjust thick stick stretch into rolled eye (batch and be commonly called as rolled eye in the endoporus to be formed, industry) when, once adjust thick stick do not align rolled eye The accident that will be collided, causes coil of strip or device damage, when adjusting someone between thick stick and coil of strip, more likely occurs personal injury Accident.Technology currently in use is to adjust the front end of thick stick to install a discoid part, and the top of discoid part sets one again The individual part that can be moved radially along discoid part, the function of discoid part and radial direction part shared antenna, before insertion, The radial direction part of antenna is collectively formed more than the profile (being less than rolled eye) for adjusting thick stick profile with discoid part, and coil of strip is provoked after insertion When, the spring under radial direction part is compressed, and is made radial direction part avoid pushing up by force with coil of strip, is not being aligned the feelings of (or someone therebetween) Under condition, radial direction part stretches out because elastic force is acted on, the front end face of antenna radial direction part collision coil of strip, the related discoid part of antenna along Thick stick is adjusted to be compressed axially spring and trigger sensor to perceive sender, protection equipment or personal safety, this structure type Discoid part need by straight-line guidance supporting keep its front it is vertical with direction of insertion, straight-line guidance support guiding length and When the ratio of distances constant that the point of impingement is oppositely oriented supporting is close to or smaller than 2 times of coefficient of frictions, locking phenomenon occurs for sliding pair, and structure is lost Effect does not shield, therefore, being oriented to length needs as long as possible, it is larger so to allow for structure length, nonetheless, because leading To support abrasion, being oriented to length can gradually be shortened, final or be likely to occur locking phenomenon, and guarantor is not played when accident phenomenon occurs Shield is acted on, and because radial direction part must be kept in the top of discoid part, so guide support is in the situation using cylinder guide rod Under must be with a pair of guiding, complicated, requirement on machining accuracy is high.

The content of the invention

To solve the above problems, avoiding accident from occurring and simplifying structure, the method that the present invention is used is to use discoid part As antenna (1), there are discoid part 2 dimensions to rotate and the one-dimensional movement free degree, and discoid part relative can adjust thick stick to occur beat To replace above-mentioned radial direction part to avoid the function of pushing up by force, it can be axially moveable because of axially loaded, energy while beat or movement Sensing element is perceived, the purpose of sender is reached, specific method is the insertion end front end face setting one in equipment more than insertion The part of the crosspiece facial contour profile of part direction of insertion connects a balance (2), the rear end of balance (2) as antenna (1), rear end There is a flexible member (6), balance (2) is collectively disposed in a die cavity with flexible member (6), the side wall of die cavity is balance (2) Guide support, there is hole at die cavity front end face center, and the neck for the antenna (1) being connected with balance (2) is passed through by front aperture center, bullet Property element (6) front end or be directly or indirectly pressed on balance (2) so that balance (2) can rely on flexible member (6) elasticity Abut on drive end bearing bracket (4) internal face of die cavity, when antenna (1) is hampered generation beat or axial movement, perceive balance (2) Beat or movement can obtain message；Further for beat is more easily perceived, between balance (2) and flexible member (6) One part like piston is set, can be moved with axial reciprocating, balance (2) rear end face, rear end and bullet are close in the front end of piston (3) The end face of property element (6) is close to, and piston (3) by cavity lateral with balance (2) with being supported, and piston (3) can be slided along cavity lateral Move, it is to occur beat or axial movement that no matter antenna (1), which is hampered, and piston (3) can all be moved, as long as so detection piston (3) Displacement just can learn that antenna (1) is hampered.The present invention this have the advantage that compared with prior art can multi-faceted sensing collision, move Make flexible, reliability is higher, simple in construction to be easy to processing and fabricating, while being also used as adjusting thick stick to adjust object or decline to put off thing Adjust thick stick to touch the position detection for being provoked object during body, save the position sensing that former technology is set in both directions Device.

Brief description of the drawings

The technical scheme that the present invention is adopted is described further below for accompanying drawing：

Fig. 1 is basic block diagram of the present invention

Fig. 2 is one of scheme that the present invention is implemented in basic structure for convenience of detection

Fig. 3 is preferred embodiment of the invention --- initial position (security bit)

Fig. 4 is the sender position of Fig. 3 embodiments --- it is lateral to perceive

Fig. 5 is the sender position of Fig. 3 embodiments --- forward direction is perceived

Code name explanation in figure：

1. antenna；2. balance；3. piston；4. drive end bearing bracket；5. housing；6. flexible member；7. bonnet；8. sensor

Embodiment

The shape for being inserted into object relevant position is necessarily less than as the discoid part of antenna function its profile, is needed simultaneously More than the profile for the object being subsequently inserted into, it is the profile for adjusting thick stick on the equipment used in the production of foregoing coil of strip, can also answers The end of uncoiler winding off spindle is used, by taking foregoing tune thick stick as an example, coil of strip is circular because of rolled eye, so antenna makes annulus the most Simplicity, in order to which antenna (1) is bound up with balance (2), is also needed to comprising the part needed for being coupled, Fig. 1 institutes on antenna (1) Show embodiment antenna (1) as steering wheel, it includes an annulus (calling antenna ring in the following text), supports the spoke and one of antenna ring Individual connecting piece, spoke is to support antenna ring, with the annular radially distributed arrangement of the heart of antenna, and the radiation end of spoke is connected to tactile On palpus ring, the containing trend of spoke is turned to the neck for axially constituting antenna by radial direction, and its root is connected to a connecting piece and (called in the following text Antenna connecting end) on, antenna neck needs certain length, makes antenna ring and antenna connecting end pulled axially away, in order to act When can extend into die cavity, antenna connecting end is used to be coupled balance (2), and the circumcircle of antenna neck is less than antenna connecting end, The external diameter of antenna connecting end is less than die cavity front aperture, and balance (2) external diameter is more than front aperture, and balance (2) is with antenna ring by front aperture Isolation, the front and back ends of the present embodiment die cavity are made up of two parts respectively --- and drive end bearing bracket (4) and bonnet (7), front aperture is preceding On end cap (4), Inner Constitution one die cavity, the balance in die cavity after drive end bearing bracket (4) in Fig. 1, housing (5), bonnet (7) combination (2) flexible member (6) is set between rear end face and bonnet (7), and flexible member (6) can use spring such as cylindrical screw stage clip Deng, air bag can also be used, the effect of flexible member (6) is balance (2) is pressed in all the time on drive end bearing bracket (4), when antenna (1) by External force beat or when axially shrinking back, flexible member (6) compressible resigning, using air bag in the case of, can also be because of air bag Compression gas-pressure changes, using the sensor for perceiving air pressure, and sensor shown in Fig. 1 (8) is ripple propagated sensation sensor (light wave, sound wave Deng), ripple propagated sensation sensor is that can perceive angle can also perceive displacement.Its very big mesh of drive end bearing bracket (4) profile in accompanying drawing of the present invention Be the installation fixed port (be installed to equipment on such as adjust thick stick front end) for also serving as flange as the present invention.

Fig. 2 is, in order to further expand the application species of sensor, to facilitate various varying environments, operating mode on the basis of Fig. 1 Application, a piston (3) is additionally arranged between balance (2) and flexible member (6), piston (3) mentioned here does not ask plug (close Envelope), sealed as the piston in cylinder not filling, while the piston (3) of this embodiment is without piston rod, piston (3) has one Fixed thickness, with flexible guiding movement, piston (3) has a position freedom in die cavity, when balance (2) is swung, living Being acted on piston (3) by balance (2) in any diametrical position on plug (3) end face can move freely, and when antenna (1), external force disappears After removing, flexible member (6) forces piston (3) resets balance (2), and this embodiment is compared with embodiment illustrated in fig. 1, flexible member (6) one times is added to the active force of antenna (1), the detection of piston (3) position can also set sensing on housing (5) shell Whether device, such as be positioned proximate to switch on housing (5), can be retreated with induction piston (3), or makes shell using non-magnet material Body (5), in housing (5) outer wound around coil, perceives the change of inductance, or with two groups of coils, pass through the curent change of secondary coil Perceive the position of piston (3).

Fig. 3 is the more specifically embodiment of of the invention one, and the progress works of Fig. 2 embodiments, sensor (8) uses market On can conveniently buying U-shaped optoelectronic switch (such as Omron fluted body optoelectronic switch E3Z-G types), piston (3) band piston rod is living (3) are filled in because there is piston rod very thin, and the guiding of piston (3) realizes that piston is in die cavity, piston jointly according to piston and piston rod Bar is passed through by bonnet (7) centre bore, and bonnet (7) centre bore, to be slidably matched, as the guide support of piston rod, is lived with piston rod Stopper rod is passed to outside by bonnet (7), and a U-shaped optoelectronic switch is installed on bonnet (7) lateral surface, and piston rod can be from U-shaped bosom Pass through, side has light wave emission source and opposite side to be light wave receiving terminal in U-shaped arm, and optical axis can be occluded when piston rod stretches out, Initial position light wave when antenna (1) is not by external force can receiving end perceive, the position of piston shown in Fig. 3 (3) is initial bit Put, its piston rod does not cover optical axis, Fig. 4 and Fig. 5 be respectively Fig. 3 embodiments antenna (1) by cross force and axial force when live The state of (3) is filled in, piston rod passes through U-shaped optoelectronic switch, and optical axis is covered.

In addition to the present invention can be as safeguard protection sender when insertion, after the completion of insertion, may be used also when adjusting thick stick to provoke coil of strip Using as the condition as next action is interrogated by curly hair, for tune thick stick, if sender is accident during insert action, It is travel switch during lifting action, premise is different, as a result different, achieves many things at one stroke.

Only need detection laterally to touch under some application operating modes, can be set in the end of the piston (3) of embodiment illustrated in fig. 2 A sensor is put, the perception face of sensor is parallel with piston nose face, coplanar or is hidden in front end face, the perception face of sensor When piston entire surface is close to balance (2) rear end face, balance (2) rear end face can be perceived, when antenna is by lateral external forces, Balance is deflected, and gap is lightened between piston and balance, so that sensor senses change and (perceived less than balance rear end face).

Claims

1. a kind of perceive the safe antenna whether two articles can collide during inserting or putting in, in insertion end front end face There is an antenna for being more than insert direction of insertion cross-sectional profile profile, it is characterised in that antenna (1) rear end is connected with one There is a flexible member (6) balance (2), the rear end of balance (2), and balance (2) is collectively disposed at a die cavity with flexible member (6) Interior, the side wall of die cavity is the guide support of balance (2), and there is hole at die cavity front end face center, the antenna (1) being connected with balance (2) Neck is passed through by front end face center, the front end of flexible member (6) or is directly or indirectly pressed on balance (2) so that balance (2) Can be by the elastic abutment of flexible member (6) on drive end bearing bracket (4) internal face of die cavity.

2. safe antenna according to claim 1, it is characterised in that antenna (1) is by antenna ring, several support antenna rings Spoke and antenna connecting end composition, spoke is to support antenna ring, with the annular uniform arrangement of heart radiation of antenna, the radiation end of spoke It is connected on antenna ring, the containing trend of spoke is turned to the neck for axially constituting antenna by radial direction, its root is connected to antenna connection Tie on end, antenna neck needs certain length, makes antenna ring and antenna connecting end pulled axially away, can be stretched during in order to act Enter into die cavity, antenna connecting end is used to be coupled balance (2), and the circumcircle of antenna neck is less than antenna connecting end, and antenna is coupled The external diameter at end is less than die cavity front aperture, and balance (2) external diameter is more than front aperture, and balance (2) is isolated with antenna ring by front aperture.

3. safe antenna according to claim 1 or 2, it is characterised in that the flexible member (6) is spring or air bag.

4. safe antenna according to claim 1 or 2, it is characterised in that have one between balance (2) and flexible member (6) The part that can be moved using axial reciprocating is piston (3), and balance (2) rear end face, rear end and flexible member are close in the front end of piston (3) (6) end face is close to, and piston (3) is supported with balance (2) with by cavity lateral, and piston (3) can slide along cavity lateral.

5. safe antenna according to claim 4, it is characterised in that piston (3) is like cylinder piston rod, and front end is major diameter Disk-shaped piston, rear end is smaller diameter rods, and bar and front end disk-shaped piston are coaxial, and there is hole at the rear end face center of die cavity, and piston rod is passed through Rear end face centre bore is simultaneously supported by it, and is slidably supported with piston shared.

6. safe antenna according to claim 5, it is characterised in that piston rod is passed to outer face by rear end face centre bore Outside, sensor is installed on outer face, when the whole front end face of piston (3) is close to balance (2) rear end face, that is, balance (2) front end When die cavity front inner wall face is close in face, the overhang of piston rod is minimum, and its external part just can not be by sensor senses, but work as balance (2) when axially deflecting, each face is no longer close to but mutual diagonal brace, and piston rod overhang is increased, and external part can be sensed Device is perceived.

7. safe antenna according to claim 4, it is characterised in that be wound with the line of induction on safe antenna die cavity shell Circle.

8. safe antenna according to claim 4, it is characterised in that being provided with safe antenna die cavity rear end face can be with Perceive the sensor of cavity volume change.

9. safe antenna according to claim 4, it is characterised in that there is sensor on piston, the perception face of sensor with Piston nose face is parallel, coplanar or is hidden in front end face, and balance (2) rear end face is close in the perception face of sensor in piston entire surface When, balance (2) rear end face can be perceived, otherwise, it is impossible to perceive.