Stepping motor torque detection device
By designing a combined structure of the clamping table and protective cover, the displacement problems and dust adhesion problems of the stepper motor detection device during clamping are solved, stable clamping and clean protection are achieved, and the detection accuracy and equipment reliability are improved.
Patent Information
- Application Number
- CN202422902406.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing stepper motor detection devices are prone to displacement when clamped, affecting the detection effect, and lack effective protective measures, which leads to long-term adhesion of dust and debris, affecting the normal operation of the device.
A stepper motor torque detection device consisting of a clamping table and a protective cover is designed. The motor is fixed and does not shift through the combined clamping structure of a bidirectional lead screw and a clamping block. After the detection is completed, the protective cover is connected to the L-shaped plate through a sliding cover to prevent dust from adhering.
It achieves a stable clamping of the stepper motor, avoids detection errors, and effectively prevents dust from affecting the normal operation of the device components, ensuring detection accuracy and equipment life.
Smart Images
Figure CN223346303U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stepper motor torque detection, in particular to a stepper motor torque detection device. Background Art
[0002] A stepper motor is a motor that converts electrical pulse excitation signals into discrete values of corresponding angular displacement or linear displacement. During its production and processing, a special torque detection device is required to detect its driving capability and performance stability, providing a basis for its subsequent rational use.
[0003] In the prior art, general detection devices simply clamp the stepper motor, which may cause it to shift after being accidentally touched, thereby affecting its connection or detection effect. After the detection is completed, there is no device to protect the entire device, which will cause dust and debris to adhere for a long time, thereby affecting its normal operation. Utility Model Content
[0004] The purpose of the present utility model is to provide a stepping motor torque detection device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stepper motor torque detection device, comprising a detection platform and a clamping platform, a clamping platform is provided in the middle position of one end of the top of the detection platform, and the middle position of the top of the clamping platform is arc-shaped, and a stepper motor is provided in the middle position of the top of the clamping platform, a movable groove is provided in the middle of the clamping platform, and a screw rod groove is provided at the bottom end of the clamping platform, and a bidirectional screw rod is provided in the screw rod groove of the clamping platform, threaded blocks are provided at both ends of the bidirectional screw rod, and a connecting block 1 is provided at the top of the connecting block 1, and the top of the connecting block 1 is fixedly connected to the clamping block through the movable groove, a screw is provided at the top of the clamping block, and a connecting block 2 is provided on the screw, and a nut is connected to the screw at the top of the connecting block 2 through a thread, and the connecting A lower pressing block is provided between the connecting blocks 2, and arc pads are provided at the bottom of the lower pressing block and the inner side of the clamping block. An L-shaped plate is provided at the edge of the other end of the top of the testing platform, and slide grooves are provided at the edges on both sides of the top of the testing platform, and a protective cover is slidably connected to the slide groove, so that the clamping block can move and clamp the stepper motor, and then the connecting blocks 2 on both sides of the lower pressing block can be placed on the screw rod, so that the lower pressing block and the top of the stepper motor are pressed down and clamped, which can make the clamping effect better and prevent it from shifting and affecting the test results. After the stepper motor test is completed, the protective cover can be slid on the slide groove to fit with the L-shaped plate, and then the protective cover and the L-shaped plate are connected with fixing bolts to prevent dust and debris from adhering to the traction motor, dynamometer, torque sensor, coupling 1 and coupling 2 for a long time, affecting their normal operation.
[0006] Preferably, a traction motor is provided on the top of the test bench at a middle position close to one side of the L-shaped plate, and a dynamometer is provided on the test bench on the other side of the traction motor.
[0007] Preferably, a support plate 1 is provided on the detection platform on the other side of the dynamometer, and a torque sensor is provided at the middle position of the other side of the support plate 1.
[0008] Preferably, two ends of the dynamometer are connected to the traction motor and the torque sensor respectively through a first coupling, and the other end of the torque sensor is connected to the stepper motor through a second coupling.
[0009] Preferably, a slot is provided at the position of the clamping platform corresponding to the top of the testing platform, and the bottom of the clamping platform is fixedly connected to the support plate 2 through the slot. Hydraulic cylinders are provided at the middle positions on both sides of the slot on the top of the testing platform, and the output ends of the hydraulic cylinders pass through the testing platform and are connected to the support plate 2, so that the hydraulic cylinder drives the support plate 2 to extend and retract, and the support plate 2 can drive the clamping platform to extend and retract together. The height of the clamping platform can be adjusted, which is convenient for adjusting the height of the stepper motor.
[0010] Preferably, a spring groove is provided between the pressing block and the arc pad, and springs are evenly provided in the spring groove of the pressing block, so that the pressing block is buffered by the spring, thereby preventing excessive downward pressure from causing damage to its surface.
[0011] Preferably, a turntable is provided at one end of the clamping platform at a position corresponding to the bidirectional screw rod, and a rotating rod inside the turntable extends into the screw rod groove through a bearing and is connected to the bidirectional screw rod.
[0012] Preferably, the protective cover and the top of the L-shaped plate are connected by fixing bolts, and the protective cover is provided with openings on one side close to the L-shaped plate and on the bottom.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the stepper motor torque detection device drives the threaded blocks at both ends of the bidirectional screw to move by rotating the turntable, so that the threaded blocks drive the clamping blocks to move toward the middle through the connecting block 1, so that the clamping blocks can clamp the stepper motor, and then the connecting blocks 2 on both sides of the lower pressure block can be placed on the screw rod, so that the arc-shaped pad at the bottom of the lower pressure block contacts the stepper motor, and then the nut is taken and screwed on the screw rod, which can limit and fix the lower pressure block, and can clamp the top of the stepper motor, so that the clamping effect is better, and it can be prevented from shifting and affecting the detection results. After the stepper motor detection is completed, the protective cover can be slid on the slide groove to fit the L-shaped plate, and then the protective cover and the L-shaped plate are connected with fixing bolts, which can prevent dust and debris from adhering to the traction motor, dynamometer, torque sensor, coupling 1 and coupling 2 for a long time and affecting their normal operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a side sectional structural diagram of the present utility model;
[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the clamping platform of the present utility model;
[0016] Figure 3 It is a schematic diagram of the testing platform and the side cross-sectional structure of the testing platform of the present utility model;
[0017] Figure 4 This is a schematic diagram of the top view of the testing platform, chute, and slot of the utility model;
[0018] Figure 5 For the utility model Figure 2 A in the middle is an enlarged structural diagram;
[0019] In the figure: 1. Test bench; 2. Test bench; 3. Stepper motor; 4. Screw; 5. Torque sensor; 6. Support plate 1; 7. Dynamometer; 8. Coupling 1; 9. Traction motor; 10. Hydraulic cylinder; 11. Coupling 2; 12. Protective cover; 13. L-shaped plate; 14. Connecting block 1; 15. Threaded block; 16. Bidirectional screw; 17. Turntable; 18. Clamping block; 19. Support plate 2; 20. Slide; 21. Pressing block; 22. Connecting block 2; 23. Spring. DETAILED DESCRIPTION
[0020] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0021] See also Figure 1-5, the utility model provides an embodiment: a stepping motor torque detection device, including a detection platform 1 and a clamping platform 2, a clamping platform 2 is provided in the middle position of one end of the top of the detection platform 1, and the middle position of the top of the clamping platform 2 is arc-shaped, and a stepping motor 3 is provided in the middle position of the top of the clamping platform 2, a movable groove is provided in the middle of the clamping platform 2, and a screw groove is provided at the bottom end of the clamping platform 2, and a bidirectional screw 16 is provided in the screw groove of the clamping platform 2, both ends of the bidirectional screw 16 are provided with threaded blocks 15, and the top of the threaded block 15 is provided with a connecting block 14, and the top of the connecting block 14 is fixedly connected to a clamping block 18 through a movable groove, a screw 4 is provided on the top of the clamping block 18, and a connecting block 2 22 is provided on the screw 4, and the screw 4 at the top of the connecting block 22 They are all connected with nuts by threads, and a pressing block 21 is provided between the connecting blocks 22, and an arc-shaped pad is provided at the bottom of the pressing block 21 and the inner side of the clamping block 18, a spring groove is provided between the pressing block 21 and the arc-shaped pad, and springs 23 are evenly provided in the spring groove of the pressing block 21, an L-shaped plate 13 is provided at the edge of the other end of the top of the testing platform 1, and a slide groove 20 is provided at the edges on both sides of the top of the testing platform 1, and a protective cover 12 is slidably connected to the slide groove 20, a traction motor 9 is provided at the middle position of one side of the top of the testing platform 1 near the L-shaped plate 13, and a dynamometer 7 is provided on the testing platform 1 on the other side of the traction motor 9, a support plate 6 is provided on the testing platform 1 on the other side of the dynamometer 7, and a torque sensor 5 is provided at the middle position of the other side of the support plate 6, and the two ends of the dynamometer 7 are respectively connected It is connected to the traction motor 9 and the torque sensor 5 through the coupling 18, and the other end of the torque sensor 5 is connected to the stepper motor 3 through the coupling 2 11. A turntable 17 is provided at one end of the clamping platform 2 corresponding to the position of the bidirectional screw rod 16, and the rotating rod inside the turntable 17 extends into the screw rod groove through the bearing and is connected to the bidirectional screw rod 16. The protective cover 12 and the top of the L-shaped plate 13 are connected by fixing bolts, and the side and bottom of the protective cover 12 close to the L-shaped plate 13 are provided with openings, so that the staff can place the stepper motor 3 on the clamping platform 2, and then rotate the turntable 17 to drive the threaded blocks 15 at both ends of the bidirectional screw rod 16 to move, so that the threaded block 15 drives the clamping block 18 to move toward the middle through the connecting block 14, so that the clamping block 18 can clamp the stepper motor 3, and both sides After clamping, you can take the corresponding size of the pressing block 21 and place the connecting blocks 22 on both sides of it on the screw 4 so that the arc pad at the bottom of the pressing block 21 contacts the stepper motor 3. Then take the nut and screw it on the screw 4. When screwing, the spring 23 in the pressing block 21 can buffer it to prevent it from being damaged due to excessive downward pressure. Then it can be used to limit and fix the pressing block 21, and the top of the stepper motor 3 can be clamped to achieve a better clamping effect and prevent it from shifting and affecting the detection results. After clamping, the stepper motor 3 can be connected to the torque sensor 5 through the coupling 2 11. Then, different speed ranges can be selected according to measurement requirements to enable the traction motor 9, dynamometer 7, torque sensor 5 and stepper motor 3 to be turned on in coordination.The stepper motor 3 can be tested. When the test is completed, the protective cover 12 can be slid on the slide 20 to fit with the L-shaped plate 13, and then the protective cover 12 and the L-shaped plate 13 can be connected with fixing bolts to prevent the protective cover 12 from moving at will. Then, the protective cover 12 can protect the components on the test platform 1 and prevent dust and debris from adhering to the traction motor 9, dynamometer 7, torque sensor 5, coupling 1 8 and coupling 2 11 for a long time, thereby affecting their normal operation.
[0022] A slot is provided at the position of the clamping platform 2 on the top of the testing platform 1, and the bottom of the clamping platform 2 is fixedly connected to the support plate 2 19 through the slot. Hydraulic cylinders 10 are provided in the middle positions on both sides of the slot on the top of the testing platform 1, and the output ends of the hydraulic cylinders 10 pass through the testing platform 1 and are connected to the support plate 2 19. After the staff clamps the stepper motor 3, they can start the hydraulic cylinder 10 to drive the support plate 2 19 to extend and retract, and can drive the clamping platform 2 on the support plate 2 19 to extend and retract together. The height of the stepper motor 3 on the clamping platform 2 can be adjusted to make its connection with the torque sensor 5 smoother.
[0023] When the embodiment of the present application is in use, the staff can place the stepping motor 3 on the clamping platform 2, and then the turntable 17 can be rotated to drive the threaded blocks 15 at both ends of the bidirectional screw rod 16 to move, so that the threaded blocks 15 drive the clamping blocks 18 to move toward the middle through the connecting block 14, so that the clamping blocks 18 can clamp the stepping motor 3. After the two sides are clamped, the corresponding size of the pressing blocks 21 can be taken, and the connecting blocks 22 on both sides can be placed on the screw rod 4, so that the arc-shaped pads at the bottom of the pressing block 21 contact the stepping motor 3, and then the nut can be taken and screwed on the screw rod 4. When screwing, the spring 23 in the pressing block 21 can buffer it to prevent it from being damaged by excessive downward pressure, and then it can be used to limit and fix the pressing block 21, so that the top of the stepping motor 3 can be clamped, so that its clamping effect is better and it can be prevented from shifting and affecting the detection result. Then the hydraulic cylinder 10 can be started to drive the supporting plate 2 19 to The extension and retraction can drive the clamping platform 2 on the support plate 2 19 to extend and retract together, and the height of the stepping motor 3 on the clamping platform 2 can be adjusted to make it connect with the torque sensor 5 more smoothly. After the adjustment, the stepping motor 3 can be connected to the torque sensor 5 through the coupling 2 11, and then different speed ranges can be selected according to the measurement requirements, so that the traction motor 9, dynamometer 7, torque sensor 5 and stepping motor 3 can be turned on together to detect the stepping motor 3. When the detection work is completed, the protective cover 12 can be slid on the slide groove 20 to fit with the L-shaped plate 13, and then the protective cover 12 and the L-shaped plate 13 can be connected with the fixing bolts to prevent the protective cover 12 from moving at will. Then the protective cover 12 can protect the components on the test platform 1, and prevent dust and debris from adhering to the traction motor 9, dynamometer 7, torque sensor 5, coupling 1 8 and coupling 2 11 for a long time, affecting their normal operation.
[0024] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.
Claims
1. A stepper motor torque detection device, characterized in that: The invention comprises a detection table (1) and a clamping table (2), wherein a clamping table (2) is provided at the middle position of one end of the top of the detection table (1), and the middle position of the top of the clamping table (2) is arc-shaped, and a stepping motor (3) is provided at the middle position of the top of the clamping table (2), a moving groove is provided in the middle of the clamping table (2), and a screw groove is provided at the bottom end of the clamping table (2), and a bidirectional screw (16) is provided in the screw groove of the clamping table (2), both ends of the bidirectional screw (16) are provided with threaded blocks (15), and the top of each threaded block (15) is provided with a connecting block (14), and the top of each connecting block (14) is passed through The movable groove is fixedly connected with a clamping block (18), the top of each clamping block (18) is provided with a screw rod (4), and each screw rod (4) is provided with a second connecting block (22), the screw rod (4) at the top of each connecting block (22) is connected with a nut through a thread, and a lower pressing block (21) is provided between each connecting block (22), and an arc pad is provided at the bottom of the lower pressing block (21) and the inner side of the clamping block (18), an L-shaped plate (13) is provided at the edge of the other end of the top of the detection platform (1), and a slide groove (20) is provided at the edges of both sides of the top of the detection platform (1), and a protective cover (12) is slidably connected to the slide groove (20).
2. A stepper motor torque detection device according to claim 1, characterized in that: A traction motor (9) is provided at a middle position of the top of the test bench (1) near one side of the L-shaped plate (13), and a dynamometer (7) is provided on the test bench (1) on the other side of the traction motor (9).
3. A stepper motor torque detection device according to claim 2, characterized in that: A support plate 1 (6) is provided on the test platform (1) on the other side of the dynamometer (7), and a torque sensor (5) is provided at the middle position of the other side of the support plate 1 (6).
4. A stepper motor torque detection device according to claim 2, characterized in that: The two ends of the dynamometer (7) are respectively connected to the traction motor (9) and the torque sensor (5) through a first coupling (8), and the other end of the torque sensor (5) is connected to the stepper motor (3) through a second coupling (11).
5. The stepping motor torque detection device according to claim 1, characterized in that: The top of the testing platform (1) is provided with a slot corresponding to the position of the clamping platform (2), and the bottom of the clamping platform (2) is fixedly connected to the second support plate (19) through the slot. Hydraulic cylinders (10) are provided at the middle positions on both sides of the slot on the top of the testing platform (1), and the output ends of the hydraulic cylinders (10) pass through the testing platform (1) and are connected to the second support plate (19).
6. The stepping motor torque detection device according to claim 1, characterized in that: A spring groove is provided between the lower pressing block (21) and the arc-shaped pad, and springs (23) are evenly provided in the spring groove of the lower pressing block (21).
7. The stepping motor torque detection device according to claim 1, characterized in that: A turntable (17) is provided at one end of the clamping platform (2) at a position corresponding to the bidirectional screw rod (16), and a turning rod inside the turntable (17) extends into the screw rod groove through a bearing and is connected to the bidirectional screw rod (16).
8. The stepping motor torque detection device according to claim 1, characterized in that: The protective cover (12) and the top of the L-shaped plate (13) are connected by fixing bolts, and the protective cover (12) is provided with openings on one side close to the L-shaped plate (13) and on the bottom.