Torque wrench calibrating instrument with accurate detection effect

Abstract

The utility model relates to the technical field of wrench calibrators, and discloses a torque wrench calibrator with an accurate detection effect, which comprises a bottom plate, the right side of the top of the bottom plate is fixedly connected with a shell, the left side of the top of the bottom plate is fixedly connected with a main body box, and the top of the main body box is fixedly connected with a torque sensor. The top of the torque sensor is provided with an adapter, the top of the adapter is provided with a torque wrench, the top of the main box is rotatably connected with a rotating plate, and the surface of the rotating plate is slidably connected with two sliding blocks. According to the utility model, through the housing on the bottom plate, the frame fixed by the hinge on the housing, the explosion-proof glass in the frame, the buckle arranged in front of the frame and the fixed block arranged below the frame, the protection effect is realized when the torque wrench is broken due to an overlarge torque value when the large-torque wrench is calibrated during measurement; and the problem of safety accidents caused by breakage of the torque wrench is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wrench testers, in particular to a torque wrench tester with accurate detection effect. Background Art

[0002] A torque wrench, also known as a torque wrench or an adjustable torque wrench, is a type of wrench. When the tightness of screws and bolts is critical, using a torque wrench allows the operator to apply a specific torque value. In order to ensure the accuracy of its torque value, the torque wrench will be fixed on a calibrator. By turning the torque wrench, the torque value on the torque wrench will be compared with the value on the torque sensor to detect the torque accuracy of the torque wrench.

[0003] At present, the existing calibration instruments are manually applied with force. During the force application process, the hydraulic torque wrench may break or explode and jump out. The current calibration instruments are not protected, which may easily cause safety accidents. Different torque wrenches being tested have different values ​​and differences in length, thickness, height and material due to different manufacturers, making it impossible for the existing calibration instruments to be quickly fixed. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a torque wrench calibrator with accurate detection effect, aiming to improve the problem that the torque wrench breaks or explodes and easily causes safety accidents, and the problem that wrenches of different models cannot be quickly fixed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a torque wrench calibrator with accurate detection effect, comprising a base plate, a shell is fixedly connected to the right side of the top of the base plate, a main body box is fixedly connected to the left side of the top of the base plate, a torque sensor is fixedly connected to the top of the main body box, an adapter is arranged on the top of the torque sensor, a torque wrench is arranged on the top of the adapter, a rotating plate is rotatably connected to the top of the main body box, two sliding blocks are slidably connected to the surface of the rotating plate, four rotating rods are rotatably connected to the top of the sliding block, a lifting plate is arranged on the top of the sliding block, four rotating rods are rotatably connected to the bottom of the lifting plate, a connecting block is rotatably connected between two rotating rods adjacent to each other on the rear side, a second threaded rod is arranged on the left side of the sliding block, the second threaded rod penetrates and extends to the right side of the sliding block, the second threaded rod is rotatably connected to the connecting block, the second threaded rod is fixedly connected to the rotating block on the left side, and a quick installation component is arranged on the top of the lifting plate, and the quick installation component is used to quickly install the wrench.

[0006] Preferably, the quick installation assembly includes a support plate, which is fixedly connected to the lifting plate, a fixed plate is fixedly connected to the top left side of the support plate, a trigger block is provided on the right side of the fixed plate, a first spring is fixedly connected to the bottom of the trigger block, and the bottom of the first spring is fixedly connected to the support plate.

[0007] Preferably, a third sliding groove is opened on the front and rear sides of the fixed plate, a trigger block is arranged on the right side of the fixed plate, a clamping plate is arranged on the right side of the trigger block, the clamping plate is slidably connected to the third sliding groove, two compression springs are fixedly connected to the right side of the fixed plate, and the other ends of the two compression springs are fixedly connected to the clamping plate.

[0008] Preferably, a hinge is fixedly connected to the rear side of the top of the housing, a frame is fixedly connected to the front end of the hinge, and explosion-proof glass is fixedly connected to the inside of the frame.

[0009] Preferably, a second sliding groove is provided at the bottom of the rotating plate, and the second sliding groove is slidably connected to the transmission rod.

[0010] Preferably, a slide plate is fixedly connected to the top of the bottom plate, a first slide groove is provided on the top of the slide plate, a slider is provided on the top of the first slide groove, and the slider is slidably connected to the first slide groove.

[0011] Preferably, an electronic screen is fixedly connected to the front side of the main box, and four legs are fixedly connected to the bottom of the base plate.

[0012] Preferably, the top of the slider is rotatably connected to a transmission rod, the rear side of the inner wall of the shell is rotatably connected to a first threaded rod, the first threaded rod passes through the slider and the front side of the shell, and the first threaded rod is threadedly connected to the slider.

[0013] Preferably, a buckle is rotatably connected to the front side of the frame, a fixing block is provided at the bottom of the buckle, and the fixing block is fixedly connected to the shell.

[0014] Preferably, a hand wheel is fixedly connected to the front end of the first threaded rod, and a handle is rotatably connected to the front side of the hand wheel.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, through the shell on the bottom plate, the frame fixed by the hinge on the shell, the explosion-proof glass inside the frame, the buckle arranged in front of the frame and the fixed block arranged below it, the effect of protecting the torque wrench from breaking due to excessive torque value when calibrating a large torque wrench during measurement is achieved, thus solving the problem of safety accidents caused by the breaking of the torque wrench.

[0017] 2. In the utility model, the trigger block and the clamping plate arranged on the right side are fixed by the fixing plate on the top of the support plate, and the compression spring fixedly connected between the fixing plate and the clamping plate. The spring arranged at the bottom of the trigger block realizes the effect of placing the wrench on the trigger block, pressing the trigger block so that the clamping plate automatically clamps the wrench, and solves the problem that different models of wrenches cannot be quickly fixed when measuring.

[0018] 3. In the utility model, through multiple rotating rods on the top of the sliding block, the connecting blocks between the rotating rods, the second threaded rod between the connecting blocks, and the rotating block on the left side of the second threaded rod, it is achieved that the second threaded rod is rotated by human power, and the two connecting blocks are close to each other, so that the rotating rod lifts the lifting plate on the top, which solves the problem of inaccurate measurement results caused by the inability to maintain horizontality when fixing wrenches of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a torque wrench tester with accurate testing effect proposed by the utility model;

[0020] Figure 2 A cross-sectional schematic diagram of a torque wrench tester with accurate detection effect proposed by the utility model;

[0021] Figure 3 A schematic diagram of the fixed structure of a torque wrench tester with accurate detection effect proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a quick installation component of a torque wrench tester with accurate detection effect proposed by the utility model;

[0023] Figure 5 The utility model provides a schematic diagram of the top structure of a torque wrench tester with accurate detection effect.

[0024] Legend:

[0025] 1. Bottom plate; 2. Shell; 3. Frame; 4. Explosion-proof glass; 5. Leg; 6. Handwheel; 7. Handle; 8. Buckle; 9. Fixed block; 10. Electronic screen; 11. Slide plate; 12. First slide groove; 13. Slider; 14. First threaded rod; 15. Transmission rod; 16. Second slide groove; 17. Torque wrench; 18. Adapter; 19. Rotating plate; 20. Sliding block; 21. Rotating block; 22. Second threaded rod; 23. Rotating rod; 24. Linking block; 25. Support plate; 26. First spring; 27. Trigger block; 28. Clamp; 29. ​​Fixed plate; 30. Compression spring; 31. Third slide groove; 32. Torque sensor; 33. Main box; 34. Hinge; 35. Lifting plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings of the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-Figure 5 The utility model provides an embodiment: a torque wrench calibrator with accurate detection effect, including a bottom plate 1, a housing 2 is fixedly connected to the right side of the top of the bottom plate 1, a main box 33 is fixedly connected to the left side of the top of the bottom plate 1, a torque sensor 32 is fixedly connected to the top of the main box 33, an adapter 18 is arranged on the top of the torque sensor 32, a torque wrench 17 is arranged on the top of the adapter 18, a rotating plate 19 is rotatably connected to the top of the main box 33, two sliding blocks 20 are slidably connected to the surface of the rotating plate 19, and four rotating rods are rotatably connected to the top of the sliding block 20 23, a lifting plate 35 is arranged on the top of the sliding block 20, four rotating rods 23 are rotatably connected at the bottom of the lifting plate 35, a connecting block 24 is rotatably connected between two rotating rods 23 adjacent to each other on the rear side, a second threaded rod 22 is arranged on the left side of the sliding block 20, the second threaded rod 22 penetrates and extends to the right side of the sliding block 20, the second threaded rod 22 is rotatably connected to the connecting block 24, the rotating block 21 is fixedly connected to the left side of the second threaded rod 22, and a quick installation component is arranged on the top of the lifting plate 35, and the quick installation component is used for quickly installing the wrench.

[0028] The housing 2 is used to protect the torque wrench 17 when it breaks, the torque sensor 32 is used to measure the torque, the adapter 18 is used to connect torque wrenches 17 of different models, the rotating plate 19 is used to drive the upper component to rotate, the sliding block 20 is used to slide left and right on the rotating plate 19, the rotating rod 23 is used to lift the top lifting plate, the second threaded rod 22 is used to drive the connecting block 24 threadedly connected thereto, and the rotating block 21 is used to rotate the second threaded rod 22.

[0029] Reference Figure 4 The quick installation assembly includes a support plate 25, which is fixedly connected to the lifting plate 35. A fixing plate 29 is fixedly connected to the top left side of the support plate 25. A trigger block 27 is arranged on the right side of the fixing plate 29. A first spring 26 is fixedly connected to the bottom of the trigger block 27. The bottom of the first spring 26 is fixedly connected to the support plate 25.

[0030] The lifting plate 35 is used to drive the upper component to move up and down, the trigger block 27 is used to support the clamping plate 28 on the right side, and the first spring 26 is used to apply force to the upper trigger block 27.

[0031] Reference Figure 2 A third sliding groove 31 is provided on the front and rear sides of the fixed plate 29, a trigger block 27 is provided on the right side of the fixed plate 29, a clamping plate 28 is provided on the right side of the trigger block 27, the clamping plate 28 is slidably connected to the third sliding groove 31, and two compression springs 30 are fixedly connected to the right side of the fixed plate 29, and the other ends of the two compression springs 30 are fixedly connected to the clamping plate 28.

[0032] The third sliding groove 31 is used for the clamping plate 28 to slide left and right, and the compression spring 30 is used to pull the clamping plate 28 on the right side.

[0033] Reference Figure 5 A hinge 34 is fixedly connected to the rear side of the top of the housing 2 , a frame 3 is fixedly connected to the front end of the hinge 34 , and an explosion-proof glass 4 is fixedly connected to the inside of the frame 3 .

[0034] The buckle 8 is used to pull the fixing block 9 at the bottom.

[0035] Reference Figure 2 A second sliding groove 16 is provided at the bottom of the rotating plate 19 , and the second sliding groove 16 is slidably connected to the transmission rod 15 .

[0036] The second slide groove 16 is used for the transmission rod 15 to slide forward and backward.

[0037] Reference Figure 2 A slide plate 11 is fixedly connected to the top of the bottom plate 1, a first slide groove 12 is opened on the top of the slide plate 11, a slider 13 is arranged on the top of the first slide groove 12, and the slider 13 is slidably connected to the first slide groove 12.

[0038] The first slide groove 12 is used for the slider 13 to slide forward and backward, and the transmission rod 15 is used to pull the top structure to move.

[0039] Reference Figure 1 The electronic screen 10 is fixedly connected to the front side of the main box 33 , and four legs 5 are fixedly connected to the bottom of the base plate 1 .

[0040] The electronic screen 10 is used to display the measured torque data, and the legs 5 are used to maintain overall stability.

[0041] Reference Figure 1 The top of the slider 13 is rotatably connected to a transmission rod 15, and the rear side of the inner wall of the shell 2 is rotatably connected to a first threaded rod 14. The first threaded rod 14 passes through the slider 13 and the front side of the shell 2, and the first threaded rod 14 and the slider 13 are threadedly connected.

[0042] The first threaded rod 14 rotates to drive the slider 13 to slide forward and backward

[0043] Reference Figure 1A buckle 8 is rotatably connected to the front side of the frame 3 , and a fixing block 9 is provided at the bottom of the buckle 8 , and the fixing block 9 is fixedly connected to the housing 2 .

[0044] The hinge 34 is used to realize the rotation of the frame 3, and the explosion-proof glass 4 is used to prevent the broken wrench from flying out, and it is also convenient for the user to observe the internal situation.

[0045] Reference Figure 1 The front end of the first threaded rod 14 is fixedly connected to a hand wheel 6, and the front side of the hand wheel 6 is rotatably connected to a handle 7.

[0046] The hand wheel 6 is convenient for driving the first threaded rod 14 at the rear side to rotate, and the handle 7 is convenient for manually rotating the hand wheel 6 .

[0047] Working principle: when in use, connect the torque wrench 17 to the corresponding adapter 18, then connect the adapter 18 to the torque sensor 32, and slide the sliding block 20 on the rotating plate 19 to the corresponding position, rotate the rotating block 21, drive the second threaded rod 22 to rotate, the rotation of the second threaded rod 22 drives the two linking blocks 24 to move, and the rotating rod 23 rotatably connected to the linking block 24 contracts, and lifts the top lifting plate 35 to achieve the lifting effect, and place the torque wrench 17 on the trigger block 27 on the quick installation assembly. The trigger block 27 presses the first spring 26 at the bottom to be compressed. When the trigger block 27 is pressed, the clamping plate 28 is pulled by the compression spring 30, and the clamping plate 28 slides left and right along the third slide groove 31. The clamping plate 28 approaches the fixed plate 29 to clamp the torque wrench 17 above. When it needs to be removed, pull the clamping plate 28 to slide along the third slide groove 31 to trigger The first spring 26 at the bottom of the block 27 rebounds to push the trigger block 27 up to hold the clamping plate 28. After clamping the torque wrench 17, the user turns the handle 7 to drive the handwheel 6 and the first threaded rod 14 at the rear to rotate. The rotation of the first threaded rod 14 drives the slider 13 threadedly connected thereto. The slider 13 slides back and forth in the first slide groove 12 on the slide plate 11. The slider 13 drives the top transmission rod 15 to move. The transmission rod 15 is slidably connected with the second slide groove 16 under the rotating plate 19. The transmission rod 15 moves back and forth to drive the top rotating plate 19 to rotate. The rotating plate 19 drives the torque wrench 17 above to rotate. The torque wrench 17 rotates to apply force to the torque sensor 32. The torque sensor 32 transmits data to the electronic screen 10 for display. The user compares the data on the electronic screen 10 and the torque wrench 17 to determine whether the torque value displayed on the torque wrench 17 is accurate.

[0048] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A torque wrench tester with accurate detection effect, comprising a base plate (1), characterized in that: The top right side of the bottom plate (1) is fixedly connected to a housing (2); the top left side of the bottom plate (1) is fixedly connected to a main body box (33); the top of the main body box (33) is fixedly connected to a torque sensor (32); the top of the torque sensor (32) is provided with an adapter (18); the top of the adapter (18) is provided with a torque wrench (17); the top of the main body box (33) is rotatably connected to a rotating plate (19); the surface of the rotating plate (19) is slidably connected to two sliding blocks (20); the top of the sliding block (20) is rotatably connected to four rotating rods (23); the top of the sliding block (20) is provided with a lifting mechanism. A lowering plate (35), the bottom of the lifting plate (35) is rotatably connected with four rotating rods (23), and a connecting block (24) is rotatably connected between two rotating rods (23) adjacent to each other on the rear side. A second threaded rod (22) is arranged on the left side of the sliding block (20), and the second threaded rod (22) passes through and extends to the right side of the sliding block (20). The second threaded rod (22) is rotatably connected to the connecting block (24), and the left side of the second threaded rod (22) is fixedly connected with a rotating block (21). A quick installation component is arranged on the top of the lifting plate (35), and the quick installation component is used for quickly installing a wrench.

2. A torque wrench calibrator with accurate detection effect according to claim 1, characterized in that: The quick installation assembly comprises a support plate (25), the support plate (25) is fixedly connected to a lifting plate (35), a fixing plate (29) is fixedly connected to the top of the left side of the support plate (25), a trigger block (27) is arranged on the right side of the fixing plate (29), a first spring (26) is fixedly connected to the bottom of the trigger block (27), and the bottom of the first spring (26) is fixedly connected to the support plate (25).

3. A torque wrench calibrator with accurate detection effect according to claim 2, characterized in that: The fixing plate (29) is provided with a third sliding groove (31) on the front and rear sides, a trigger block (27) is provided on the right side of the fixing plate (29), a clamping plate (28) is provided on the right side of the trigger block (27), the clamping plate (28) is slidably connected to the third sliding groove (31), two compression springs (30) are fixedly connected to the right side of the fixing plate (29), and the other ends of the two compression springs (30) are fixedly connected to the clamping plate (28).

4. A torque wrench calibrator with accurate detection effect according to claim 1, characterized in that: A hinge (34) is fixedly connected to the rear side of the top of the housing (2), a frame (3) is fixedly connected to the front end of the hinge (34), and explosion-proof glass (4) is fixedly connected inside the frame (3).

5. The torque wrench calibrator with accurate detection effect according to claim 1, characterized in that: A second sliding groove (16) is provided at the bottom of the rotating plate (19), and the second sliding groove (16) is slidably connected to the transmission rod (15).

6. A torque wrench calibrator with accurate detection effect according to claim 1, characterized in that: A slide plate (11) is fixedly connected to the top of the bottom plate (1), a first slide groove (12) is provided on the top of the slide plate (11), a slider (13) is provided on the top of the first slide groove (12), and the slider (13) is slidably connected to the first slide groove (12).

7. A torque wrench calibrator with accurate detection effect according to claim 1, characterized in that: The front side of the main box (33) is fixedly connected to an electronic screen (10), and the bottom of the base plate (1) is fixedly connected to four legs (5).

8. The torque wrench calibrator with accurate detection effect according to claim 6, characterized in that: The top of the slider (13) is rotatably connected to a transmission rod (15), and the rear side of the inner wall of the shell (2) is rotatably connected to a first threaded rod (14); the first threaded rod (14) passes through the slider (13) and the front side of the shell (2); the first threaded rod (14) and the slider (13) are threadedly connected.

9. A torque wrench calibrator with accurate detection effect according to claim 4, characterized in that: The front side of the frame (3) is rotatably connected with a buckle (8), the bottom of the buckle (8) is provided with a fixing block (9), and the fixing block (9) is fixedly connected to the housing (2).

10. A torque wrench calibrator with accurate detection effect according to claim 8, characterized in that: The front end of the first threaded rod (14) is fixedly connected to a hand wheel (6), and the front side of the hand wheel (6) is rotatably connected to a handle (7).

Images