CN220322610U - Torque wrench testing device - Google Patents

Abstract

The utility model relates to a torque detection device field specifically discloses a torque wrench testing arrangement, it includes the base and sets up the testing arrangement body on the base, the testing arrangement body is including installing the torque sensor on the base, torque sensor's input is connected with the locating bench that is used for fixed torque wrench spanner, rotate on the base and be provided with the backup pad, the axis of rotation of backup pad is vertical setting and with the axis collineation of locating bench, be provided with on the base and be used for driving backup pad pivoted actuating mechanism, the backup pad slides along its length direction and is provided with the seat that slides, be provided with the locking mechanical system who is used for locking the seat that slides in the backup pad position in the backup pad, be provided with the fixture that is used for centre gripping torque wrench handle on the seat that slides. The method and the device can solve the problem that the unstable position of the adjusting sliding sleeve in the related technology easily brings errors to detection.

Description

Torque wrench testing device

Technical Field

The application relates to the field of torque detection devices, in particular to a torque wrench testing device.

Background

A torque wrench is a wrench for fastening or loosening a threaded fastener, and the torque of the torque wrench is generally adjustable, so that a specific amount of torque can be applied to the threaded fastener, and in order to ensure the accuracy of the torque wrench, the torque of the torque wrench needs to be detected or calibrated at regular time.

The related art in the chinese patent with publication number CN209673285U, a T-type torque verification instrument is proposed, including the verification instrument body, the rotation of verification instrument body is provided with the axostylus axostyle, and the verification instrument body is still including being provided with T-type workstation, installs the torque inductor on the T-type workstation, and the torque inductor is connected with the backup pad, slides in the backup pad and is provided with the regulation sliding sleeve. The position of the adjusting sliding sleeve can be changed according to the length of the measured torque wrench by sliding the adjusting sliding sleeve on the supporting plate.

In the above-mentioned related art, during the detection, the handle of the torque wrench that is surveyed is fixed on adjusting the sliding sleeve, because adjusting the sliding sleeve slip setting in the backup pad, and adjust the position of sliding sleeve in the backup pad and be difficult to the locking, at the in-process that carries out the moment of torsion and detect, adjust the unstable position of sliding sleeve and bring the error for detecting easily.

Disclosure of Invention

In order to solve the problem that errors are easily brought to detection due to unstable position of an adjusting sliding sleeve in the related art, the application provides a torque wrench testing device.

The application provides a torque wrench testing arrangement adopts following technical scheme:

the utility model provides a torque wrench testing arrangement, includes the base with set up in testing arrangement body on the base, testing arrangement body including install in torque sensor on the base, torque sensor's input is connected with the locating bench that is used for fixed torque wrench spanner, rotate on the base and be provided with the backup pad, the axis of rotation of backup pad be vertical setting and with the axis collineation of locating bench, be provided with on the base and be used for driving backup pad pivoted actuating mechanism, the backup pad slides along its length direction and is provided with the seat of sliding, be provided with in the backup pad and be used for locking the seat of sliding is in locking mechanism of position in the backup pad, be provided with the fixture who is used for centre gripping torque wrench handle on the seat of sliding.

Through adopting the technical scheme, when the torque wrench is subjected to torque test, the position of the sliding seat on the supporting plate is firstly adjusted according to the length of the handle of the torque wrench, then the position of the sliding seat on the supporting plate is locked through the locking mechanism, the wrench head of the torque wrench is fixed on the positioning table, the handle of the torque wrench is fixed on the sliding seat through the clamping mechanism, the supporting plate is driven to rotate through the driving mechanism, so that the torque wrench rotates, and the torque sensor detects the torque of the torque wrench; in the detection process, the sliding seat is locked on the supporting plate, so that the stability of the sliding seat is improved, and the problem that errors are easily caused in detection due to unstable position of the adjusting sliding sleeve in the related art is solved.

Optionally, a plurality of tooth grooves have been seted up to the lateral wall of backup pad, a plurality of the tooth grooves are followed the length direction of backup pad is equidistant distribution in proper order, locking mechanical system including slide set up in slide on the seat and with the tooth groove inlays the rack of suitable joining in marriage, slide and be provided with on the seat and be used for driving the rack is close to or keep away from the drive assembly of tooth groove.

By adopting the technical scheme, when the driving component drives the rack to approach and be clamped in the tooth slot, the sliding seat is locked at the position on the supporting plate; when the driving component drives the rack to be far away from the tooth slot, the sliding seat can slide on the supporting plate, so that the sliding seat can be conveniently locked and unlocked on the supporting plate.

Optionally, the driving assembly includes a pull rod fixedly connected to one side of the rack away from the tooth slot and penetrating through the sliding seat, and an elastic member for driving the rack to elastically abut against the tooth slot is arranged on the sliding seat.

Through adopting above-mentioned technical scheme, the elastic component drives the rack elasticity and supports tightly in the tooth's socket to will slide the position locking of seat in the backup pad, when operating personnel pulls the pull rod, when making the rack keep away from the tooth's socket, the seat of sliding can slide in the backup pad, realizes the convenient locking and the unblock of seat of sliding in the backup pad.

Optionally, a guide bar is fixedly connected to one side of the sliding seat, which is close to the supporting plate, a guide groove for sliding the guide bar is formed in the supporting plate, and the length direction of the guide groove is parallel to the length direction of the supporting plate.

Through adopting above-mentioned technical scheme, when the seat of sliding slides in the backup pad, the guide bar slides along the guide way to improve the stability that the seat of sliding slides.

Optionally, both sides of the sliding seat are fixedly connected with limiting blocks which are abutted to the lower end face of the supporting plate.

Through adopting above-mentioned technical scheme, the stopper helps avoiding sliding the seat and drops from the backup pad to improve the stability of sliding the seat in the backup pad.

Optionally, the fixture include the rigid coupling in fixed column on the seat that slides with slide set up in the movable column on the seat that slides, the fixed column with the movable column all is vertical setting, slide and be provided with on the seat and be used for driving the movable column is close to or keep away from the adjusting part of fixed column, the movable column with the link quadrature of fixed column in the length direction of backup pad.

Through adopting above-mentioned technical scheme, drive the movable column through adjusting part and be close to the fixed column to with torque wrench's handle centre gripping between fixed column and movable column, improved torque wrench handle's stability, help improving the accuracy that detects.

Optionally, the adjusting part includes the rigid coupling in the movable column is close to slide the slider of seat one end, slide and offer on the seat and supply the first spout that the slider slided, slide and be provided with on the seat and be used for driving the slider is followed the driving piece that the first spout slided.

Through adopting above-mentioned technical scheme, drive the slider through the driving piece and slide along first spout to drive movable column and be close to or keep away from the fixed column.

Optionally, the driving piece including rotate set up in the first threaded rod in the first spout, first threaded rod is followed the extending direction screw thread of first spout run through in the slider, the slider is square piece, first spout is square groove, the one end rigid coupling of first threaded rod has the knob.

Through adopting above-mentioned technical scheme, operating personnel drives first threaded rod through rotating the knob and rotates to drive the slider and slide along first spout.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the locking mechanism, the sliding seat is locked on the supporting plate in the torque detection process, so that the stability of the sliding seat is improved, and the problem that errors are easily caused in detection due to unstable position of the adjusting sliding sleeve in the related art is solved;

2. the sliding seat is conveniently locked and unlocked on the supporting plate by arranging the racks, the tooth grooves, the pull rods and the elastic pieces;

3. through setting up fixed column, movable column and adjusting part, when carrying out the moment of torsion and detecting, with the handle centre gripping of moment of torsion spanner between fixed column and movable column, improved the stability of moment of torsion spanner handle, help improving the accuracy that detects.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is a schematic overall structure of another angle according to the embodiment of the present application.

Fig. 4 is a schematic partial structure of the sliding seat according to the embodiment of the present application.

Fig. 5 is a schematic view of a partial explosion mainly used for showing the sliding table, the second bump and the second chute in the embodiment of the present application.

Reference numerals: 1. a base; 2. a testing device body; 21. a torque sensor; 22. a display; 23. a positioning table; 24. a connecting seat; 3. a support plate; 31. a guide groove; 32. tooth slots; 33. a second chute; 4. a sliding seat; 41. a guide bar; 42. a limiting block; 51. a rack; 52. a pull rod; 53. a first bump; 54. an elastic member; 61. fixing the column; 62. a movable column; 63. a slide block; 64. a first chute; 65. a first threaded rod; 66. a knob; 71. a mounting base; 72. a sliding table; 721. a second bump; 73. a second threaded rod; 74. a hand wheel; 75. a guide rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a torque wrench testing device. Referring to fig. 1, the torque wrench testing device includes a base 1 and a testing device body 2 disposed on the base 1, the testing device body 2 includes a torque sensor 21 mounted on the base 1 and a display 22 electrically connected to the torque sensor 21, and an input end of the torque sensor 21 is connected with a positioning table 23 for fixing a torque wrench head.

Referring to fig. 1, a connecting seat 24 is rotatably provided on a base 1, a rotation axis of the connecting seat 24 is vertically arranged and is collinear with an axis of a positioning table 23, a support plate 3 horizontally arranged is fixedly connected on the connecting seat 24, and a driving mechanism for driving the support plate 3 to rotate is provided on the base 1. The supporting plate 3 is provided with a sliding seat 4 in a sliding manner along the length direction, a locking mechanism for locking the position of the sliding seat 4 on the supporting plate 3 is arranged on the supporting plate 3, and a clamping mechanism for clamping a torque wrench handle is arranged on the sliding seat 4.

When the torque wrench is subjected to torque test, the position of the sliding seat 4 on the support plate 3 is firstly adjusted according to the length of the handle of the torque wrench, and then the position of the sliding seat 4 on the support plate 3 is locked through the locking mechanism. The spanner head of the torque spanner is fixed on the positioning table 23, the handle of the torque spanner is fixed on the sliding seat 4 through the clamping mechanism, the supporting plate 3 is driven to rotate through the driving mechanism, so that the torque spanner is rotated, the torque sensor 21 detects the torque of the torque spanner, and the torque data can be read by the display 22. In the detection process, the sliding seat 4 is locked on the supporting plate 3, so that the stability of the sliding seat 4 is improved, and the problem that errors are easily caused in detection due to unstable position of the adjusting sliding sleeve in the related art is solved.

Referring to fig. 2, a plurality of tooth grooves 32 are formed in the side wall of the support plate 3, the tooth grooves 32 are sequentially distributed at equal intervals along the length direction of the support plate 3, the locking mechanism comprises a rack 51 which is slidably arranged on the sliding seat 4 and is embedded with the tooth grooves 32, and a driving assembly for driving the rack 51 to be close to or far away from the tooth grooves 32 is arranged on the sliding seat 4.

Referring to fig. 2, the driving assembly includes a pull rod 52 fixedly connected to a side of the rack 51 away from the tooth slot 32 and penetrating through the sliding seat 4, and an elastic member 54 for driving the rack 51 to elastically abut against the tooth slot 32 is disposed on the sliding seat 4. Specifically, a first bump 53 is fixedly connected to one end of the pull rod 52 away from the rack 51, the elastic piece 54 is a spring sleeved on the pull rod 52 and located between the sliding seat 4 and the first bump 53, and two ends of the spring are fixedly connected to the sliding seat 4 and the first bump 53 respectively; when the rack 51 is elastically abutted against the tooth groove 32, the spring is in a stretched state.

The elastic piece 54 drives the rack 51 to elastically abut against the tooth groove 32, so that the position of the sliding seat 4 on the supporting plate 3 is locked; when an operator pulls the pull rod 52 to enable the rack 51 to be far away from the tooth grooves 32, the sliding seat 4 can slide on the supporting plate 3, and thus convenient locking and unlocking of the sliding seat 4 can be achieved.

In order to improve the sliding stability of the sliding seat 4, referring to fig. 3 and 4, a guide bar 41 is fixedly connected to one side of the sliding seat 4, which is close to the support plate 3, a guide groove 31 for sliding the guide bar 41 is formed in the support plate 3, and the length direction of the guide groove 31 is parallel to the length direction of the support plate 3.

When the sliding seat 4 slides on the support plate 3, the guide bar 41 slides along the guide groove 31, thereby improving the sliding stability of the sliding seat 4.

Further, referring to fig. 2, both sides of the sliding seat 4 are fixedly connected with a limiting block 42 abutting against the lower end surface of the supporting plate 3. The stopper 42 helps to prevent the sliding seat 4 from falling off the support plate 3, thereby improving the stability of the sliding seat 4 on the support plate 3.

In order to fix the handle of the torque wrench, referring to fig. 4, the clamping mechanism includes a fixed column 61 fixedly connected to the sliding seat 4 and a movable column 62 slidably disposed on the sliding seat 4, the fixed column 61 and the movable column 62 are both vertically disposed, and an adjusting component for driving the movable column 62 to approach or depart from the fixed column 61 is disposed on the sliding seat 4, and a connecting line of the movable column 62 and the fixed column 61 is orthogonal to the length direction of the supporting plate 3.

Referring to fig. 4, the adjusting assembly includes a sliding block 63 fixedly connected to one end of the movable column 62 near the sliding seat 4, a first sliding groove 64 for sliding the sliding block 63 is provided on the sliding seat 4, and a driving member for driving the sliding block 63 to slide along the first sliding groove 64 is provided on the sliding seat 4. Specifically, the driving member includes a first threaded rod 65 rotatably disposed in the first sliding groove 64, the first threaded rod 65 is threaded through the sliding block 63 along the extending direction of the first sliding groove 64, the sliding block 63 is a square block, the first sliding groove 64 is a square groove, and a knob 66 is fixedly connected to one end of the first threaded rod 65.

The operating personnel drives the first threaded rod 65 to rotate through rotating the knob 66, so that the sliding block 63 is driven to slide along the first sliding groove 64, and the movable column 62 is driven to be close to or far away from the fixed column 61, so that the handle of the torque wrench is clamped between the fixed column 61 and the movable column 62, the stability of the handle of the torque wrench is improved, and the accuracy of detection is improved.

In order to realize the rotation of the torque wrench at the time of detection, referring to fig. 3, the driving mechanism includes a slide table 72 slidably provided on the base 1, the slide table 72 is located between the base 1 and the support plate 3, and the sliding track of the slide table 72 is orthogonal to the longitudinal direction of the support plate 3. The base 1 is fixedly connected with a mounting seat 71, a second threaded rod 73 is rotatably arranged on the mounting seat 71, threads of the second threaded rod 73 penetrate through the sliding table 72, and a hand wheel 74 is coaxially fixedly connected with the second threaded rod 73; the mounting seat 71 is fixedly connected with guide rods 75, the guide rods 75 are parallel to the second threaded rod 73 and penetrate through the sliding table 72, in this embodiment, two guide rods 75 are arranged, and the two guide rods 75 are symmetrically arranged on two sides of the second threaded rod 73 respectively.

Further, referring to fig. 5, a second bump 721 is fixedly connected to one side of the sliding table 72 close to the supporting plate 3, and a cross section contour of the second bump 721 is circular; the side of the support plate 3 near the sliding table 72 is provided with a second sliding groove 33 for sliding the second protruding block 721, and the length direction of the second sliding groove 33 is parallel to the length direction of the support plate 3.

The operator rotates the hand wheel 74 to drive the sliding table 72 to slide, the second protruding block 721 pushes the supporting plate 3 to move, and at the same time, the second protruding block 721 slides along the second sliding groove 33, so that the supporting plate 3 rotates around the axis of the positioning table 23, thereby rotating the torque wrench fixed on the supporting plate 3, and the torque sensor 21 detects the torque of the torque wrench.

The implementation principle of the torque wrench testing device in the embodiment of the application is as follows: when the torque wrench is subjected to torque test, the pull rod 52 is pulled first to enable the rack 51 to be far away from the tooth groove 32, and then the sliding seat 4 is moved, so that the position of the sliding seat 4 on the supporting plate 3 is adjusted according to the length of the handle of the torque wrench. After the sliding seat 4 is adjusted to a proper position, the pull rod 52 is loosened, so that the rack 51 is elastically abutted against the tooth groove 32, and the position of the sliding seat 4 on the supporting plate 3 is locked. Then the spanner head of the torque spanner is fixed on the positioning table 23, the handle of the torque spanner is fixed on the sliding seat 4 through the clamping mechanism, the supporting plate 3 is driven to rotate through the driving mechanism, so that the torque spanner is rotated, and the torque sensor 21 detects the torque of the torque spanner. In the detection process, the sliding seat 4 is locked on the supporting plate 3, so that the stability of the sliding seat 4 is improved, and the problem that errors are easily caused in detection due to unstable position of the adjusting sliding sleeve in the related art is solved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a torque wrench testing arrangement, includes base (1) and set up in testing arrangement body (2) on base (1), testing arrangement body (2) including install in torque sensor (21) on base (1), the input of torque sensor (21) is connected with location platform (23) that are used for fixed torque wrench spanner, rotate on base (1) and be provided with backup pad (3), the axis of rotation of backup pad (3) be vertical setting and with the axis collineation of location platform (23), be provided with on base (1) and be used for driving backup pad (3) pivoted actuating mechanism, its characterized in that: the supporting plate (3) is provided with a sliding seat (4) in a sliding manner along the length direction of the supporting plate, the supporting plate (3) is provided with a locking mechanism for locking the sliding seat (4) to be positioned on the supporting plate (3), and the sliding seat (4) is provided with a clamping mechanism for clamping a torque wrench handle.

2. The torque wrench testing device according to claim 1, wherein: the side wall of backup pad (3) has seted up a plurality of tooth's socket (32), a plurality of tooth's socket (32) are followed the length direction of backup pad (3) is equidistant distribution in proper order, locking mechanical system including slide set up in on sliding seat (4) and with tooth's socket (32) inlay rack (51) of suitable joining in marriage, be provided with on sliding seat (4) and be used for driving rack (51) are close to or keep away from the drive assembly of tooth's socket (32).

3. A torque wrench testing device according to claim 2, wherein: the driving assembly comprises a pull rod (52) fixedly connected to one side, away from the tooth groove (32), of the rack (51) and penetrates through the sliding seat (4), and an elastic piece (54) for driving the rack (51) to elastically abut against the tooth groove (32) is arranged on the sliding seat (4).

4. The torque wrench testing device according to claim 1, wherein: one side of the sliding seat (4) close to the supporting plate (3) is fixedly connected with a guide bar (41), the supporting plate (3) is provided with a guide groove (31) for sliding the guide bar (41), and the length direction of the guide groove (31) is parallel to the length direction of the supporting plate (3).

5. The torque wrench testing device according to claim 1, wherein: limiting blocks (42) which are abutted against the lower end face of the supporting plate (3) are fixedly connected to two sides of the sliding seat (4).

6. The torque wrench testing device according to claim 1, wherein: the clamping mechanism comprises a fixed column (61) fixedly connected to the sliding seat (4) and a movable column (62) slidably arranged on the sliding seat (4), the fixed column (61) and the movable column (62) are all vertically arranged, an adjusting component used for driving the movable column (62) to be close to or far away from the fixed column (61) is arranged on the sliding seat (4), and the connecting line of the movable column (62) and the fixed column (61) is orthogonal to the length direction of the supporting plate (3).

7. The torque wrench testing device according to claim 6, wherein: the adjusting component comprises a sliding block (63) fixedly connected to one end of the movable column (62) close to the sliding seat (4), a first sliding groove (64) for sliding the sliding block (63) is formed in the sliding seat (4), and a driving piece for driving the sliding block (63) to slide along the first sliding groove (64) is arranged on the sliding seat (4).

8. The torque wrench testing device according to claim 7, wherein: the driving piece comprises a first threaded rod (65) which is rotatably arranged in a first sliding groove (64), the first threaded rod (65) penetrates through the sliding block (63) along the extending direction of the first sliding groove (64) in a threaded mode, the sliding block (63) is a square block, the sliding groove is a square groove, and one end of the first threaded rod (65) is fixedly connected with a knob (66).