CN210616301U

CN210616301U - Torque sensor pivot foil gage clamping jig

Info

Publication number: CN210616301U
Application number: CN201921532782.8U
Authority: CN
Inventors: 王康锦; 伍雪莉; 王荣; 顾健; 张涛; 孙卫
Original assignee: Gif Research Center China Co ltd
Current assignee: Gif Research Center China Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-26
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a torque sensor rotating shaft strain gage clamping fixture applied to the technical field of torque sensors, which comprises a fixture bottom plate (1), wherein a profiling positioning block (2) and a strain gage position positioning block (3) are arranged on the fixture bottom plate (1), the profiling positioning block (2) is provided with a positioning groove (4), the strain gauge positioning block (3) is provided with a strain gauge positioning groove (5), the position close to the strain gauge positioning block (3) is provided with an upper pressure head (6), one end of the upper pressure head (6) is movably connected with a connecting part (7), the torque sensor rotating shaft strain gauge clamping fixture has simple structure, can conveniently and quickly realize reliable clamping after the strain gauge on the sensor rotating shaft is pasted, meanwhile, the labor intensity of operators is effectively reduced, the compression treatment efficiency is improved, and the problem that consistency cannot be guaranteed due to different force application in manual operation is solved.

Description

Torque sensor pivot foil gage clamping jig

Technical Field

The utility model belongs to the technical field of torque sensor, more specifically say, relate to a torque sensor pivot foil gage clamping jig.

Background

In the production and processing technology of the torque sensor, the strain foil is adhered to the rotating shaft of the sensor, which is an essential procedure. After the strain gauge is adhered, the strain gauge needs to be clamped to ensure that the strain gauge is adhered in place and the subsequent installation performance is ensured. In the prior art, clamping after the strain gauge is pasted is mainly completed manually, so that the efficiency is low, and the consistency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a simple structure can convenient and fast realize that the sensor changes the epaxial foil gage of spool and pastes the reliable clamp of back and press from both sides tightly, effectively reduces operating personnel intensity of labour simultaneously, improves and compresses tightly efficiency to torque sensor pivot foil gage clamp that the uniformity that leads to because the application of force is different can't guarantee the problem when avoiding manual operation.

To solve the technical problem, the utility model discloses the technical scheme who takes does:

the utility model relates to a torque sensor pivot foil gage anchor clamps, including the anchor clamps bottom plate, set up profile modeling locating piece, foil gage department locating piece on the anchor clamps bottom plate, the profile modeling locating piece on set up positioning groove, set up foil gage department positioning groove on the locating piece of foil gage department, be close to foil gage department locating piece position and set up the pressure head, go up pressure head one end and adapting unit swing joint.

The connecting part comprises a connecting column and a spring, a limiting boss is arranged at the upper end of the connecting column, the lower end of the connecting column is installed on the bottom plate of the clamp, the upper pressing head is movably sleeved on the connecting column, the spring is sleeved on the connecting column, the upper end of the spring abuts against the limiting boss, and the lower end of the spring abuts against the upper pressing head.

The torque sensor rotating shaft strain gauge clamping fixture further comprises a positioning pin, a positioning through hole is formed in the upper pressure head, and a positioning hole is formed in the fixture bottom plate.

The positioning pin is arranged into a structure which can penetrate through the through hole and be clamped in the positioning hole.

The fixture base plate is provided with a plurality of profiling positioning blocks and a plurality of strain gauge positioning blocks, the center lines of the profiling positioning blocks and the center lines of the strain gauge positioning blocks are arranged to be positioned on the same straight line, and a strain gauge positioning block is arranged between every two adjacent profiling positioning blocks.

An upper pressure head and a connecting part are correspondingly arranged at the positioning block at each strain gauge.

Adopt the technical scheme of the utility model, can obtain following beneficial effect:

torque sensor pivot foil gage clamping jig, paste foil gage back in the pivot, need place the pivot and carry out foil gage clamping processing on clamping jig. When carrying out foil gage clamping process, remove earlier the pressure head and leave foil gage department positioning groove top position, press from both sides the pivot simultaneously in the positioning groove of the profile modeling locating piece on the anchor clamps bottom plate and the foil gage department positioning groove of foil gage department locating piece again, the pivot position that sets up the foil gage is located foil gage department positioning groove, then, remove the pressure head again for go up the pressure head and press the foil gage department of the pivot of foil gage department positioning groove top, realize reliably pressing from both sides tightly. And the profiling positioning block clamps the rotating shaft body to realize limiting and supporting. Therefore, the clamping of the rotating shaft strain gauge is effectively realized, the production requirement is met, and manual processing is not needed any more. The clamp bottom plate can clamp a plurality of rotating shafts simultaneously. Torque sensor pivot foil gage cramping clamps, simple structure, can convenient and fast realize that the sensor is changeed reliable clamp after epaxial foil gage is pasted and is pressed from both sides tightly, effectively reduce operating personnel intensity of labour simultaneously, improve and compress tightly treatment effeciency to the unable assurance problem of uniformity that leads to because the application of force is different when avoiding manual operation.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

fig. 1 is a schematic structural view of a torque sensor rotating shaft strain gage clamping fixture according to the present invention;

fig. 2 is a schematic cross-sectional structural view of a connecting part of a torque sensor spindle strain gage clamping fixture according to the present invention;

in the drawings are labeled: 1. a clamp base plate; 2. profiling positioning blocks; 3. positioning blocks at the strain gauges; 4. a positioning groove; 5. a positioning groove is arranged at the strain gauge; 6. an upper pressure head; 7. a connecting member; 8. connecting columns; 9. a spring; 10. a limiting boss; 11. positioning pins; 12. a handle.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:

as shown in the accompanying drawing 1, the utility model relates to a torque sensor pivot foil gage anchor clamps, including anchor clamps bottom plate 1, set up profile modeling locating piece 2, foil gage department locating piece 3 on the anchor clamps bottom plate 1, profile modeling locating piece 2 on set up positioning groove 4, set up foil gage department positioning groove 5 on the locating piece 3 of foil gage department, be close to 3 positions of foil gage department locating piece and set up pressure head 6, go up pressure head 6 one end and adapting unit 7 swing joint. According to the structure, after the strain gauge is pasted on the rotating shaft, the rotating shaft needs to be placed on the clamping fixture for strain gauge clamping treatment. When carrying out foil gage clamping process, move earlier pressure head 6 and leave 5 top positions in foil gage department positioning groove, press from both sides the pivot simultaneously again and press from both sides in the positioning groove 4 of profile modeling locating piece 2 on the anchor clamps bottom plate and foil gage department positioning groove 5 of foil gage department locating piece 3, the pivot position that sets up the foil gage is located foil gage department positioning groove, then, move the pressure head again for go up the pressure head and press in the foil gage department of the pivot above the foil gage department positioning groove, the realization is reliably pressed from both sides tightly. And the profiling positioning block 2 clamps the rotating shaft body to realize limiting and supporting. Therefore, the clamping of the rotating shaft strain gauge is effectively realized, the production requirement is met, and manual processing is not needed any more. The clamp bottom plate can clamp a plurality of rotating shafts simultaneously. Torque sensor pivot foil gage cramping clamps, simple structure, can convenient and fast realize that the sensor is changeed reliable clamp after epaxial foil gage is pasted and is pressed from both sides tightly, reduce operating personnel intensity of labour simultaneously, improve and compress tightly efficiency to the unable assurance problem of uniformity that leads to because the application of force is different when avoiding manual operation.

As shown in the attached drawing 2, the connecting component 7 includes a connecting column 8 and a spring 9, the upper end of the connecting column 8 is provided with a limit boss 10, the lower end of the connecting column 8 is installed on the clamp bottom plate 1, the upper pressing head 6 is movably sleeved on the connecting column 8, the spring 9 is sleeved on the connecting column 8, the upper end of the spring 9 abuts against the limit boss 10, and the lower end of the spring 9 abuts against the upper pressing head 6. The structure of the connecting part is improved. The upper pressure head is pressed by the spring, and when the strain gauge is pressed, the upper pressure head is positioned above the positioning groove 5 at the strain gauge and applies pressure to the strain gauge on the rotating shaft. And when the upper pressure head needs to be moved away, the operator only needs to hold the upper pressure head tightly to apply force upwards, so that the spring contracts, the upper pressure head moves upwards, then the upper pressure head rotates, the upper pressure head leaves the position above the positioning groove at the strain gage, the rotating shaft which is pressed is conveniently taken out, then the upper pressure head is loosened, and the upper pressure head resets under the action of the spring. When another rotating shaft needs to be pressed, the upper pressure head only needs to be pulled upwards again, then the upper pressure head is rotated to the position above the positioning groove at the position of the strain gauge, the upper pressure head is loosened, the upper pressure head resets under the action of the spring, and pressure is applied to the strain gauge of the rotating shaft. Thus, the whole operation is simple and rapid, and is easy and labor-saving.

The torque sensor rotating shaft strain gage clamping fixture further comprises a positioning pin 11, a positioning through hole is formed in the upper pressure head 6, and a positioning hole is formed in the fixture bottom plate 1. The positioning pin 11 is arranged to be capable of passing through the through hole and being clamped in the positioning hole. According to the structure, the positioning pin can penetrate through the positioning through hole and is clamped in the positioning hole, and positioning when the upper pressure head compresses the strain gauge is achieved.

The fixture base plate 1 is provided with a plurality of profiling positioning blocks 2 and a plurality of strain gauge positioning blocks 3, the center lines of the profiling positioning blocks 2 and the center lines of the strain gauge positioning blocks 3 are arranged to be in the same straight line, and one strain gauge positioning block 3 is arranged between every two adjacent profiling positioning blocks 2. Above-mentioned structure, according to the length of pivot, sets up quantity and interval of profile modeling locating piece 2 and a plurality of foil gage department locating piece 3, ensures that every foil gage of pivot is in when pressing from both sides tightly, can both be located a foil gage department positioning groove 5 that corresponds, and every foil gage department positioning groove 5 corresponds with an last pressure head and a adapting unit simultaneously, is convenient for compress tightly.

An upper pressure head 6 and a connecting part 7 are correspondingly arranged on the positioning block 3 at each strain gauge.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.

Claims

1. The utility model provides a torque sensor pivot foil gage cramping apparatus which characterized in that: including anchor clamps bottom plate (1), set up profile modeling locating piece (2), foil gage department locating piece (3) on anchor clamps bottom plate (1), profile modeling locating piece (2) on set up positioning groove (4), set up foil gage department positioning groove (5) on foil gage department locating piece (3), be close to foil gage department locating piece (3) position and set up pressure head (6), go up pressure head (6) one end and adapting unit (7) swing joint.

2. The torque sensor spindle strain gage clamping fixture of claim 1, wherein: adapting unit (7) including spliced pole (8), spring (9), spliced pole (8) upper end sets up spacing boss (10), spliced pole (8) lower extreme is installed on anchor clamps bottom plate (1), go up pressure head (6) activity suit on spliced pole (8), spring (9) suit is on spliced pole (8), spring (9) upper end supports and leans on spacing boss (10), spring (9) lower extreme supports and leans on last pressure head (6).

3. The torque sensor spindle strain gage clamping jig of claim 1 or 2, characterized in that: the torque sensor rotating shaft strain gauge clamping fixture further comprises a positioning pin (11), a positioning through hole is formed in the upper pressure head (6), and a positioning hole is formed in the fixture bottom plate (1).

4. The torque sensor spindle strain gage clamping fixture of claim 3, wherein: the positioning pin (11) is arranged to be capable of passing through the through hole and being clamped in the positioning hole.

5. The torque sensor spindle strain gage clamping jig of claim 1 or 2, characterized in that: the fixture base plate (1) is provided with a plurality of profile modeling positioning blocks (2) and a plurality of strain gauge position positioning blocks (3), the center lines of the profile modeling positioning blocks (2) and the strain gauge position positioning blocks (3) are arranged to be located on the same straight line, and one strain gauge position positioning block (3) is arranged between every two adjacent profile modeling positioning blocks (2).

6. The torque sensor spindle strain gage clamping fixture of claim 5, wherein: an upper pressure head (6) and a connecting part (7) are correspondingly arranged on the positioning block (3) at each strain gauge.