Torque testing device for electric wrench
By designing an electric wrench torque test device including lifting and lowering adjustment components and clamping components, the problems of inconsistent traditional manual testing and low efficiency are solved, and high-precision and stability detection of different models of electric wrenches are achieved, saving labor costs and improving detection efficiency.
Patent Information
- Application Number
- CN202421488586.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Traditional electric wrench torque tests rely on manual operation and are susceptible to individual skill level and subjective factors, resulting in inconsistent test results and inability to meet the needs of large-scale production. Long-term operation leads to fatigue and attention reduction, affecting the accuracy of the test.
An electric wrench torque testing device is designed, including a base plate, a lifting adjustment assembly and a clamping assembly. The height adjustment of the torque detection head is achieved through a reciprocating motor and a threaded screw, and the rotating threaded rod and slide rail system of the clamping assembly is realized to automatically clamp and position adjustment of the electric wrench.
The device can adapt to different models and sizes of electric wrench for inspection, which improves the accuracy and stability of the test, ensures the consistency of the test results, saves labor costs, and improves the detection efficiency.
Smart Images
Figure CN222774169U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electric wrench torque testing, and in particular relates to an electric wrench torque testing device. Background Art
[0002] An electric wrench is a tool that uses electricity to drive, usually used to tighten or loosen screws, nuts and bolts. It usually consists of an electric motor, a gear system and a torque control device. Electric wrenches can greatly reduce the labor intensity of workers during assembly and maintenance, and improve work efficiency. This tool is usually used in occasions where a large number of bolts or screws need to be tightened, such as automobile repair, machinery manufacturing, construction installation and other fields. Since electric wrenches can provide continuous torque output and can adjust torque as needed, they are widely used in the fields of industry and manufacturing. Electric wrenches come in different types and specifications, and different models and accessories can be selected according to needs. Some advanced electric wrenches may also have features such as torque control, reversing function, and battery charging status display to meet the needs of different work occasions.
[0003] After the production of electric wrenches is completed, torque tests are usually carried out before they are circulated in the market for sale. The traditional electric wrench torque test is that the tester tests the electric wrench with a handheld torque tester. Manual testing is affected by individual skill levels and subjective factors, which can easily lead to inconsistent test results. At the same time, manual operation cannot meet large-scale production needs. Long-term continuous operation can easily lead to fatigue and decreased concentration, thereby affecting the accuracy of the test. Therefore, an electric wrench torque testing device is proposed to solve the above problems. Utility Model Content
[0004] In response to one or more of the above defects or improvement needs in the prior art, the utility model provides an electric wrench torque testing device, which has the advantages of being adaptable to electric wrenches of different sizes, improving test accuracy and stability, improving detection efficiency, and reducing labor costs.
[0005] To achieve the above object, the utility model provides an electric wrench torque testing device, comprising a base plate, the upper surface of which is equipped with two sets of lifting and adjusting components and one set of clamping components, and the two sets of lifting and adjusting components are arranged in parallel;
[0006] The lifting and adjusting assembly comprises a motor mounting plate, the upper end surface of the motor mounting plate is equipped with a reciprocating motor, the output end of the reciprocating motor is connected with a threaded screw and the threaded screw is vertically arranged, the threaded screw is externally meshed and slidably provided with a sliding sleeve, the sliding sleeve is externally equipped with a slider, a connecting plate is installed between the two sliders, and a torque detection head is detachably installed on the connecting plate;
[0007] A torque detector is mounted on one side of the upper end surface of the bottom plate, and the torque detection head is electrically connected to the torque detector.
[0008] As a further improvement of the utility model, the upper end surface of the bottom plate is equipped with two slide rails and the two slide rails are arranged in parallel, and the two slide rails are both provided with an embedded block for sliding engagement;
[0009] The clamping assembly includes a positioning plate assembled on the upper ends of the two engaging blocks, the upper end surface of the positioning plate is equipped with two fixing plates and the two fixing plates are arranged in parallel, a threaded rod is passed through one side of the two fixing plates and the threaded rod is engaged with the fixing plate by threads, the inner ends of the two threaded rods are equipped with clamping blocks and a deep groove ball bearing is installed at the connection between the threaded rod and the clamping block.
[0010] As a further improvement of the utility model, a rotating button is provided through one side of the two engaging blocks, and one end of the rotating button is tightly against the slide rail on the same side.
[0011] As a further improvement of the utility model, two limit rods are installed on the upper end surface of the reciprocating motor, the two limit rods both penetrate the slider, and the upper ends of the two limit rods are jointly equipped with a top plate.
[0012] As a further improvement of the utility model, two sliding rods are provided through one side of the two fixing plates, and one end of the two sliding rods on the same side is connected to the clamping block on the same side.
[0013] As a further improvement of the present invention, both ends of the two slide rails are equipped with abutment plates, and the lower end surface of the bottom plate is equipped with four legs, and the four legs are distributed in a rectangular shape.
[0014] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:
[0015] The electric wrench torque testing device of the utility model can adaptively adjust the height of the torque detection head by controlling the reciprocating rotation of the reciprocating motor through the mutual cooperation between the components in the two sets of lifting and adjusting components. The tester can clamp and limit the electric wrench by rotating two threaded rods through the mutual cooperation between the components in the clamping component. The electric wrench after clamping can be adjusted in position by cooperating with the provided slide rails, so as to better align the torque detection head for testing. The adjustability of the device makes it possible to test electric wrenches of different models and sizes, and the device has wide versatility. Compared with traditional manual detection, the device can ensure that the electric wrench maintains a stable position during the test, thereby improving the accuracy and stability of the test and ensuring the consistency of the test results. At the same time, the device can also save labor costs and improve test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall installation structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the installation structure of the lifting and adjusting component of the utility model;
[0018] Figure 3 This is a schematic diagram of the installation structure of the clamping assembly of the utility model.
[0019] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. Base plate; 11. Slide rail; 111. Abutment plate; 12. Engaging block; 121. Rotating button; 13. Leg; 2. Lifting adjustment assembly; 20. Motor mounting plate; 21. Reciprocating motor; 22. Threaded screw; 23. Sliding sleeve; 24. Sliding block; 25. Connecting plate; 26. Limit rod; 27. Top plate; 3. Clamping assembly; 30. Positioning plate; 31. Fixed plate; 32. Threaded rod; 33. Clamping block; 34. Sliding rod; 4. Torque detection head; 5. Torque detector. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments 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 in 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.
[0021] Example
[0022] Depend on Figure 1-3 Provided is an electric wrench torque testing device, comprising a base plate 1, wherein the upper end surface of the base plate 1 is equipped with two sets of lifting adjustment components 2 and a set of clamping components 3, wherein the two sets of lifting adjustment components 2 are arranged in parallel;
[0023] The lifting and adjusting assembly 2 includes a motor mounting plate 20, on the upper end surface of which a reciprocating motor 21 is mounted, a threaded screw 22 is connected to the output end of the reciprocating motor 21, and the threaded screw 22 is vertically arranged, a sliding sleeve 23 is meshed and slidably arranged on the outside of the threaded screw 22, a slider 24 is mounted on the outside of the sliding sleeve 23, a connecting plate 25 is mounted between the two sliders 24, and a torque detection head 4 is detachably mounted on the connecting plate 25;
[0024] A torque detector 5 is mounted on one side of the upper end surface of the bottom plate 1 , and the torque detection head 4 is electrically connected to the torque detector 5 .
[0025] In this embodiment, through the mutual cooperation between the components in the two sets of lifting and adjusting assemblies 2, the tester can adaptively adjust the height of the torque detection head 4 by controlling the reciprocating rotation of the reciprocating motor 21. Through the mutual cooperation between the components in the clamping assembly 3, the tester can clamp and limit the electric wrench by rotating the two threaded rods 32. With the provided slide rail 11, the position of the clamped electric wrench can be adjusted, so as to better align the torque detection head 4 for testing. The adjustability of the device makes it possible to detect electric wrenches of different models and sizes, and it has wide versatility. Compared with traditional manual detection, the device can ensure that the electric wrench maintains a stable position during the test, thereby improving the accuracy and stability of the test and ensuring the consistency of the test results. At the same time, the device can also save labor costs and improve test efficiency.
[0026] Further preferably, the power supply connection method between the torque detection head 4 and the torque detector 5 is the existing technology, and the control circuit can be implemented through simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.
[0027] Specifically, refer to Figure 1-3 The upper end surface of the bottom plate 1 is equipped with two slide rails 11 and the two slide rails 11 are arranged in parallel, and the two slide rails 11 are both provided with an embedded block 12 for sliding engagement;
[0028] The clamping assembly 3 includes a positioning plate 30 assembled on the upper ends of the two engaging blocks 12, and two fixing plates 31 are assembled on the upper end surface of the positioning plate 30, and the two fixing plates 31 are arranged in parallel, and threaded rods 32 are penetrated on one side of the two fixing plates 31, and the threaded rods 32 are meshed and connected with the fixing plates 31 through threads, and the inner ends of the two threaded rods 32 are assembled with clamping blocks 33, and deep groove ball bearings are assembled at the connection between the threaded rods 32 and the clamping blocks 33.
[0029] In this embodiment, by setting up two slide rails 11, the clamping assembly 3 can be moved and the position can be adjusted within the travel range of the two slide rails 11. By assembling a deep groove ball bearing at the connection between the threaded rod 32 and the clamping block 33, the friction between the threaded rod 32 and the clamping block 33 can be reduced, and the service life of the threaded rod 32 and the clamping block 33 can be extended. At the same time, the threaded rod 32 can also drive the clamping block 33 to move when rotating.
[0030] Specifically, refer to Figure 1-3 A rotating button 121 is provided through one side of each of the two engaging blocks 12 , and one end of the rotating button 121 is tightly against the slide rail 11 on the same side.
[0031] In this embodiment, by rotating the two rotating buttons 121 counterclockwise so that one end of the two rotating buttons 121 can be released from the tight contact with the same side slide rail 11, the clamping assembly 3 can be slidably arranged so that the clamping assembly 3 can be moved and adjusted within the travel range of the two slide rails 11. Rotating the rotating button 121 clockwise can make one end of the rotating button 121 tightly contact with the slide rail 11 and limit the clamping assembly 3.
[0032] Specifically, refer to Figure 2 Two limit rods 26 are mounted on the upper end surface of the reciprocating motor 21 . Both limit rods 26 penetrate the slider 24 . A top plate 27 is mounted on the upper ends of the two limit rods 26 .
[0033] In this embodiment, two limit rods 26 are provided to limit the slider 24 on the same side, so that the slider 24 can be more stable when moving. The top plate 27 is filled with bearing parts, and the upper end of the threaded screw 22 is connected to the bearing parts in the top plate 27, which can make the rotation of the threaded screw 22 more stable.
[0034] Specifically, refer to Figure 3 Two sliding rods 34 are provided through one side of the two fixing plates 31 , and one end of the two sliding rods 34 on the same side is connected to the clamping block 33 on the same side.
[0035] In this embodiment, the two sliders 24 are used to limit the clamping block 33 on the same side, so that the clamping block 33 can move more stably, thereby improving the overall stability of the device.
[0036] Specifically, refer to Figure 1 Both ends of the two slide rails 11 are equipped with abutment plates 111, and the lower end surface of the bottom plate 1 is equipped with four supporting legs 13, and the four supporting legs 13 are distributed in a rectangular shape.
[0037] In this embodiment, the abutment plates 111 arranged at both ends of the slide rail 11 are used to limit the engaging block 12 to prevent the engaging block 12 from exceeding the travel range of the slide rail 11 when sliding within the travel range of the slide rail 11. The lower ends of the four legs 13 are all equipped with anti-slip pads to increase the overall stability of the device.
[0038] The utility model of electric wrench torque testing device:
[0039] During actual use, the tester first connects the two reciprocating motors 21 to an external power supply and connects the two reciprocating motors 21 to a motor frequency synchronizer, then places the electric wrench to be tested on the positioning plate 30 and between the two clamping blocks 33, rotates the two threaded rods 32 clockwise, so that the two threaded rods 32 respectively drive the clamping blocks 33 at one end to move in pairs, and limits the clamping blocks 33 by the provided sliding rods 34, so that the two clamping blocks 33 are finally aligned and the electric wrench is clamped and fixed, then starts the two motor mounting plates 20, so that the two motor mounting plates 20 drive the threaded screw 22 connected to the output end to rotate, when the threaded screw 22 rotates, the sliding sleeve 23 engaged and slidably provided on the outside of the threaded screw 22 drives the external slider 24 to slide within the stroke range of the threaded screw 22, and finally drives the torque detection head 4 to adjust the height, when the output end of the torque detection head 4 is parallel to the output end of the electric wrench, reverse The two rotating buttons 121 are rotated clockwise so that one end of the two rotating buttons 121 cancels the tight contact with the slide rail 11 on the same side, and the slidably set clamping assembly 3 allows the clamping assembly 3 to move and adjust within the travel range of the two slide rails 11, adjust the position of the electric wrench and insert the output end of the electric wrench into the output end of the torque detection head 4, then rotate the two rotating buttons 121 clockwise so that the two rotating buttons 121 limit the engaging block 12 on the same side and locate the position of the electric wrench, start the set torque detector 5, so that the torque detector 5 drives the torque detection head 4 to perform torque test on the electric wrench, and at the same time, during the test, the tester can free both hands to record data, and after the test is completed, rotate the two threaded rods 32 again so that the two threaded rods 32 drive the clamping block 33 at one end to move outward and cancel the limit on the electric wrench, remove the electric wrench, place the next electric wrench and repeat the above steps, and the testing operation can be carried out continuously and efficiently.
[0040] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An electric wrench torque testing device, characterized in that: It comprises a base plate (1), the upper end surface of which is equipped with two groups of lifting and adjusting components (2) and a group of clamping components (3), wherein the two groups of lifting and adjusting components (2) are arranged in parallel; The lifting and lowering adjustment component (2) comprises a motor mounting plate (20), the upper end surface of the motor mounting plate (20) is equipped with a reciprocating motor (21), the output end of the reciprocating motor (21) is connected with a threaded screw (22), and the threaded screw (22) is vertically arranged, the threaded screw (22) is externally meshed and slidably provided with a sliding sleeve (23), the sliding sleeve (23) is externally equipped with a slider (24), a connecting plate (25) is installed between the two sliders (24), and a torque detection head (4) is detachably installed on the connecting plate (25); A torque detector (5) is mounted on one side of the upper end surface of the base plate (1), and the torque detection head (4) is electrically connected to the torque detector (5).
2. The electric wrench torque testing device according to claim 1, characterized in that: The upper end surface of the bottom plate (1) is equipped with two slide rails (11) and the two slide rails (11) are arranged in parallel, and the two slide rails (11) are both provided with an engaging block (12) for engaging and sliding. The clamping assembly (3) comprises a positioning plate (30) mounted on the upper ends of the two engaging blocks (12); the upper end surface of the positioning plate (30) is mounted with two fixing plates (31) and the two fixing plates (31) are arranged in parallel; a threaded rod (32) is passed through one side of the two fixing plates (31) and the threaded rod (32) is meshedly connected to the fixing plates (31) through threads; the inner ends of the two threaded rods (32) are mounted with clamping blocks (33) and a deep groove ball bearing is mounted at the connection between the threaded rod (32) and the clamping block (33).
3. The electric wrench torque testing device according to claim 2, characterized in that: A rotating button (121) is provided through one side of each of the two engaging blocks (12), and one end of the rotating button (121) is tightly pressed against the slide rail (11) on the same side.
4. The electric wrench torque testing device according to claim 1, characterized in that: The upper end surface of the reciprocating motor (21) is equipped with two limit rods (26), both of which penetrate the slider (24), and the upper ends of the two limit rods (26) are jointly equipped with a top plate (27).
5. The electric wrench torque testing device according to claim 2, characterized in that: Two sliding rods (34) are provided through one side of the two fixing plates (31), and one end of the two sliding rods (34) on the same side is connected to the clamping block (33) on the same side.
6. The electric wrench torque testing device according to claim 2, characterized in that: Both ends of the two slide rails (11) are equipped with abutment plates (111), and the lower end surface of the bottom plate (1) is equipped with four supporting legs (13), and the four supporting legs (13) are distributed in a rectangular shape.