A high-efficiency gear strength detection device for rotary reducer
By designing an efficient gear strength testing device, which utilizes an electric telescopic rod, a motor-driven lead screw system, and a vision camera, the device achieves automated positioning and angle adjustment of the gear tooth root, solving the problem of low testing efficiency in existing technologies, improving testing efficiency, and facilitating gear classification.
Patent Information
- Application Number
- CN202510855148.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-25
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2045-06-25
AI Technical Summary
Existing gear strength testing devices are inefficient when testing the tooth root. They require applying pressure to the tooth root of each gear individually and observing it. Furthermore, the gears need to be repositioned for each test, resulting in low testing efficiency.
A high-efficiency gear strength testing device was designed, comprising a testing platform, a placement seat, a clamping seat, a sleeve shaft, a support plate, a movable seat, a pull plate, and a testing mechanism. The device achieves gear positioning, longitudinal positioning, and angle adjustment through an electric telescopic rod, a motor-driven lead screw, and a lead screw system. It combines a vision camera and an injection mechanism for real-time detection and marking.
It improves the efficiency of gear strength testing, realizes automated positioning and angle adjustment of gear tooth roots, can observe the tensile force in real time and mark damage or cracks, which facilitates gear classification.
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Figure CN120369314B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of gear strength detection, in particular to a high-efficiency gear strength detection device for rotary speed reducer. BACKGROUND
[0002] Rotary speed reducer is widely used in modern industry, especially in the fields of wind power, mining machinery, metallurgy, petrochemical industry, etc. As an important part of mechanical transmission system, the core function of rotary speed reducer is to reduce the speed of high-speed motor and increase the output torque. The gear system of the speed reducer directly determines its transmission efficiency, stability and service life. As the core component of rotary speed reducer, the gear bears huge and changing load. Therefore, the strength detection of gear becomes a key link to ensure the safe and reliable operation of speed reducer. The tooth root is the most prone to bending fatigue damage in gear, because it bears the maximum bending stress. The tooth root is the key part of gear when transmitting torque. If it breaks, the gear will fail. Therefore, the strength detection of tooth root is crucial to judge the durability of gear.
[0003] The existing gear strength detection device needs to apply pressure to the tooth root of the gear one by one when detecting the tooth root, and observe whether the tooth root breaks and cracks. Each time the gear is adjusted in angle, the gear needs to be repositioned when testing different tooth roots, resulting in low detection efficiency. SUMMARY
[0004] In order to make up for the above shortcomings, the present application provides a high-efficiency gear strength detection device for rotary speed reducer, which overcomes the above technical problems or at least partially solves the above problems.
[0005] The present application is implemented as follows:
[0006] The present application provides a high-efficiency gear strength detection device for rotary speed reducer, which includes a detection table, a placement seat and a clamping seat. The placement seat is symmetrically fixedly installed on the surface of the detection table. The surface of the placement seat is fixedly installed with the clamping seat. The inner wall of the clamping seat is provided with a gear slot for positioning the gear to be tested. The surface of the detection table is installed with a test mechanism for detecting the strength of the gear to be tested. The test mechanism includes:
[0007] A sleeve shaft is movably installed on the surface of the detection table. A supporting plate is slidably sleeved on the surface of the sleeve shaft for placing the gear to be tested.
[0008] A moving seat is symmetrically slidably installed on the surface of the detection table. The surface of the moving seat is symmetrically fixedly installed with a first mounting bracket.
[0009] A pull plate is slidingly installed between two first mounting frames, a pull rod is fixedly installed on the sidewall of the pull plate, a tension meter is fixedly installed at one end of the pull rod, a pull arm is installed at the other end of the tension meter, a gear tooth is fixedly installed at one end of the pull arm, and the gear tooth is matched with the gear to be measured.
[0010] In a preferred scheme, a first electric telescopic rod is fixedly installed in the inner cavity of the sleeve shaft, the telescopic end of the first electric telescopic rod is fixedly connected with a supporting plate, and the supporting plate is used to drive the supporting plate to lift, an insertion rod is fixedly installed on the surface of the supporting plate, one end of the insertion rod is conically arranged, a positioning block is symmetrically slidingly installed in the inner cavity of the sleeve shaft, and the positioning block is used to longitudinally position the gear to be measured, an inclined groove part is arranged at one end of the positioning block, a connecting block is fixedly installed on the surface of the positioning block, a first spring is installed in the inner cavity of the sleeve shaft, one end of the first spring is fixedly connected with the sleeve shaft, the other end of the first spring is fixedly connected with the connecting block, and the first spring is used to drive the positioning block to move towards the inner cavity of the sleeve shaft, and a first spline tooth is fixedly installed on the sidewall of the sleeve shaft.
[0011] In a preferred scheme, a first screw rod is rotatably installed between the two first mounting frames, a first threaded block is fixedly installed on the surface of the pull plate, the first threaded block is in threaded connection with the first screw rod, a first motor is fixedly installed on the sidewall of the first mounting frame, and the output end of the first motor is fixedly connected with one end of the first screw rod.
[0012] In a preferred scheme, a driving arm is fixedly installed on the sidewall of each of the two moving seats, a second threaded block is fixedly installed on the surface of the driving arm, a bidirectional screw rod is rotatably installed on the surface of the detection table, the bidirectional screw rod is in threaded connection with the second threaded block, a second motor is fixedly installed on the surface of the detection table, and the output end of the second motor is fixedly connected with one end of the bidirectional screw rod, so as to drive the bidirectional screw rod to rotate.
[0013] In a preferred scheme, an adjusting mechanism is installed on the surface of the detection table, and the adjusting mechanism is used to adjust the angle of the gear to be measured. The adjusting mechanism comprises a rotating shaft, a supporting arm, and a driving block. The rotating shaft is rotatably installed in the inner cavity of the detection table. The surface of the rotating shaft is inserted into the sleeve shaft. The sidewall of the rotating shaft is symmetrically fixedly installed with a second spline tooth. A second spline groove is formed in the inner cavity of the sleeve shaft. The second spline tooth is in engagement with the second spline groove. The sidewall of the sleeve shaft is fixedly installed with the supporting arm. One end of the supporting arm is fixedly installed with the driving block. The driving block is conically arranged. One of the moving seats is fixedly installed with a first supporting rod at the bottom. One end of the first supporting rod is fixedly installed with an inclined block, so as to drive the supporting arm to move upwards. A sliding rod is fixedly installed in the inner cavity of the detection table. The surface of the sliding rod is sleeved with a second spring. One end of the second spring is fixedly connected with the detection table. The other end of the second spring is fixedly connected with the supporting arm, so as to drive the supporting arm to move downwards.
[0014] In an preferred embodiment, the rotation shaft surface is fixedly installed with an adjusting gear, the moving base bottom is fixedly installed with a mounting frame, the mounting frame inner cavity is slidably installed with a second supporting rod, the second supporting rod side wall is fixedly installed with a tooth block, and the tooth block is matched with the adjusting gear.
[0015] In an preferred embodiment, the second supporting rod side wall is fixedly installed with a guide rod, the detection table inner cavity is fixedly installed with a guide frame, the guide frame inner cavity is provided with a guide slot, and the guide rod is inserted into the guide slot.
[0016] In an preferred embodiment, the guide frame side wall is slidably installed with a guide block, the guide block surface is wedge-shaped, the guide block bottom is fixedly installed with a third spring, and the third spring other end is fixedly connected with the guide frame, for driving the guide block to move upward.
[0017] In an preferred embodiment, the detection table surface is installed with an observation mechanism, the observation mechanism comprises a second mounting frame and a visual camera, the second mounting frame is fixedly installed on the detection table surface, the visual camera is installed on the second mounting frame side wall, for taking a photo of the gear tooth part to be detected, the detection table inner cavity is fixedly installed with a first contact, and the supporting arm surface is fixedly installed with a second contact, for controlling the visual camera to work.
[0018] In an preferred embodiment, the second mounting frame side wall is fixedly installed with a second electric telescopic rod, the second electric telescopic rod telescopic end is fixedly installed with a syringe, the syringe inner cavity is slidably installed with a piston, the piston surface is fixedly installed with a connecting rod, the connecting rod other end is fixedly installed with a injection head, the connecting rod surface is sleeved with a fourth spring, one end of the fourth spring is fixedly connected with the syringe, the other end of the fourth spring is fixedly connected with the injection head, the detection table surface is fixedly installed with a solution tank, for storing ink, the connecting rod and the injection head are hollow, the piston inner cavity is installed with a first one-way valve, the first one-way valve is communicated with the connecting rod hollow part, the syringe bottom is installed with a second one-way valve, and the second one-way valve is communicated with the solution tank through a hose.
[0019] The high-efficiency gear strength detection device for the rotary speed reducer has the following beneficial effects:
[0020] 1. By setting the test mechanism, the first electric telescopic rod drives the supporting plate and the gear to be tested to move upwards, so that the gear to be tested is engaged with the tooth groove part of the clamping base, the gear to be tested is positioned, and the positioning block is driven to extend from the sleeve shaft to longitudinally position the gear to be tested, then the second motor drives the bidirectional screw to rotate, drives the two sides of the moving seat to move close to each other, so that the two sides of the gear teeth are inserted into the tooth root of the gear to be tested at the same time, thereby improving the detection efficiency, and the first motor drives the first screw to rotate, drives the pull plate and the pull rod to move backwards, applies tension to the tooth root of the gear to be tested, and detects the strength of the gear to be tested, and the tension gauge can be used to observe the tension in real time, which is convenient to use.
[0021] 2. By setting the adjusting mechanism, after the test of one of the tooth roots of the gear to be tested is completed, the second motor drives the two moving seats to move away from each other, so that the gear teeth are separated from the tooth root of the gear to be tested, and at the same time, the first supporting rod and the inclined block are synchronously moved, and the driving block drives the supporting arm and the sleeve shaft to move upwards, so that the gear to be tested is separated from the clamping base and the positioning of the gear to be tested is cancelled, and at the same time, the other moving seat drives the second supporting rod to synchronously move, drives the gear block to synchronously move, when the gear block is engaged with the adjusting gear, drives the rotating shaft and the sleeve shaft to synchronously rotate, thereby achieving the angle adjustment of the gear to be tested, and the strength detection of the next tooth root can be performed, which is convenient to use and improves the detection efficiency.
[0022] 3. By setting the observation mechanism, when the first contact and the second contact are closed, the visual camera works to take a picture of the tooth root after the detection is completed, and the image processor built-in the detection table can identify the picture of the tooth root to determine whether the tooth root is damaged or cracked, when the tooth root is identified to be damaged or cracked from the picture, the second electric telescopic rod moves to drive the injection head to move towards the tooth root and abut against the side wall of the tooth root to extrude the piston, the fourth spring is compressed, the ink in the injection cylinder is injected to the surface of the tooth root through the first one-way valve, the connecting rod and the hollow part of the injection head, thereby marking the tooth root, which is convenient for subsequent classification of the gear to be tested. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and other related drawings can also be obtained by those skilled in the art without creative labor;
[0024] Figure 1 is the front perspective view provided by the embodiments of the present application.
[0025] Figure 2 is the top view provided by the embodiments of the present application.
[0026] Figure 3A sleeve shaft sectional view provided for the embodiment of the present application.
[0027] Figure 4 A first sectional view of the detection table provided for the embodiment of the present application.
[0028] Figure 5 A second sectional view of the detection table provided for the embodiment of the present application.
[0029] Figure 6 A third sectional view of the detection table provided for the embodiment of the present application.
[0030] Figure 7 A fourth sectional view of the detection table provided for the embodiment of the present application.
[0031] Figure 8 A partial exploded view provided for the embodiment of the present application.
[0032] Figure 9 A syringe sectional view provided for the embodiment of the present application.
[0033] In the figure: 1, detection table; 2, placing seat; 3, clamping seat; 4, testing mechanism; 401, sleeve shaft; 402, supporting plate; 403, first electric telescopic rod; 404, inserting rod; 405, positioning block; 406, inclined groove part; 407, connecting block; 408, first spring; 409, first spline tooth; 410, moving seat; 411, first mounting frame; 412, pull plate; 413, first screw rod; 414, first threaded block; 415, first motor; 416, pull rod; 417, tensiometer; 418, pull arm; 419, tooth; 420, driving arm; 421, second threaded block; 422, bidirectional screw rod; 423, second motor; 5, adjusting mechanism; 501, rotating shaft; 502, second spline tooth; 503, second spline groove; 504, supporting arm; 505, driving block; 506, first supporting rod; 507, inclined block; 508, sliding rod; 509, second spring; 510, adjusting gear; 511, mounting frame; 512, second supporting rod; 513, tooth block; 514, guide rod; 515, guide frame; 516, guide groove; 517, guide block; 518, third spring; 6, observation mechanism; 601, second mounting; 602, visual camera; 603, first contact; 604, second contact; 605, second electric telescopic rod; 606, syringe; 607, piston; 608, connecting rod; 609, injection head; 610, fourth spring; 611, solution tank; 612, first one-way valve; 613, second one-way valve. DETAILED DESCRIPTION
[0034] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.
[0035] With reference to Figures 1-9 As shown in the figure, the present application provides a technical solution: an efficient gear strength detection device for rotary speed reducer, comprising a detection table 1, a placing seat 2 and a clamping seat 3, the placing seat 2 is symmetrically fixedly installed on the surface of the detection table 1, the surface of the placing seat 2 is fixedly installed with the clamping seat 3, the inner wall of the clamping seat 3 is provided with a gear slot, the gear slot is matched with the gear to be tested, and is used for positioning the gear to be tested, the surface of the detection table 1 is installed with a test mechanism 4, which is used for detecting the strength of the gear to be tested, the test mechanism 4 comprises a sleeve shaft 401, a moving seat 410 and a pull plate 412, the sleeve shaft 401 is movably installed on the surface of the detection table 1, the surface of the sleeve shaft 401 is slidably sleeved with a supporting plate 402, which is used for placing the gear to be tested, the inner cavity of the sleeve shaft 401 is fixedly installed with a first electric telescopic rod 403, the telescopic end of the first electric telescopic rod 403 is fixedly connected with the supporting plate 402, which is used for driving the supporting plate 402 to ascend and descend, the surface of the supporting plate 402 is fixedly installed with a plug rod 404, one end of the plug rod 404 is conically arranged, the inner cavity of the sleeve shaft 401 is symmetrically slidably installed with a positioning block 405, which is used for longitudinally positioning the gear to be tested, one end of the positioning block 405 is provided with a slanted groove part 406, the surface of the positioning block 405 is fixedly installed with a connecting block 407, the inner cavity of the sleeve shaft 401 is installed with a first spring 408, one end of the first spring 408 is fixedly connected with the sleeve shaft 401, the other end of the first spring 408 is fixedly connected with the connecting block 407, which is used for driving the positioning block 405 to move towards the inner cavity of the sleeve shaft 401, the side wall of the sleeve shaft 401 is fixedly installed with a first spline tooth 409, in use, the gear to be tested is sleeved on the surface of the sleeve shaft 401 along the first spline tooth 409, so that the gear to be tested falls on the surface of the supporting plate 402, then the supporting plate 402 and the gear to be tested are driven to ascend by the first electric telescopic rod 403, so that the gear to be tested is engaged with the gear slot part of the clamping seat 3, and the gear to be tested is positioned, and when the supporting plate 402 ascends, the plug rod 404 is driven to ascend, the slanted groove part 406 is extruded, the positioning block 405 is driven to extend out of the sleeve shaft 401, and the gear to be tested is longitudinally positioned.
[0036] With reference to Figures 1-8As shown, in a preferred embodiment, the mobile seat 410 is symmetrically slidingly installed on the surface of the detection table 1, the surface of the mobile seat 410 is symmetrically fixedly installed with the first mounting frame 411, the pull plate 412 is slidingly installed between the two first mounting frames 411, the two first mounting frames 411 are rotatably installed with the first lead screw 413, the surface of the pull plate 412 is fixedly installed with the first threaded block 414, the first threaded block 414 is in threaded connection with the first lead screw 413, the side wall of the first mounting frame 411 is fixedly installed with the first motor 415, one end of the first lead screw 413 is fixedly connected with the output end of the first motor 415, the side wall of the pull plate 412 is fixedly installed with the pull rod 416, one end of the pull rod 416 is fixedly installed with the tension meter 417, the other end of the tension meter 417 is installed with the pull arm 418, one end of the pull arm 418 is fixedly installed with the gear tooth 419, the gear tooth 419 is matched with the gear to be measured, the gear tooth 419 is inserted into the tooth root of the gear to be measured, the first lead screw 413 is driven to rotate by the first motor 415, the pull plate 412 and the pull rod 416 are driven to move backward, the tooth root of the gear to be measured is subjected to tension, the strength detection is carried out, and the tension size can be observed in real time through the tension meter 417, so as to facilitate use.
[0037] With reference to Figures 1-8 As shown, in a preferred embodiment, the side wall of the two mobile seats 410 is fixedly installed with the driving arm 420, the surface of the driving arm 420 is fixedly installed with the second threaded block 421, the surface of the detection table 1 is rotatably installed with the bidirectional lead screw 422, the bidirectional lead screw 422 is in threaded connection with the second threaded block 421, the surface of the detection table 1 is fixedly installed with the second motor 423, one end of the bidirectional lead screw 422 is fixedly connected with the output end of the second motor 423, for driving the bidirectional lead screw 422 to rotate, the bidirectional lead screw 422 can be driven to rotate through the second motor 423, the two mobile seats 410 are driven to move close to each other, the two gear teeth 419 are simultaneously inserted into the tooth root of the gear to be measured, and the detection efficiency is improved.
[0038] In a preferred implementation, when in use, the gear to be tested is sleeved on the surface of the sleeve shaft 401 along the first spline tooth 409, and the gear to be tested is placed on the surface of the supporting plate 402, then the supporting plate 402 and the gear to be tested are driven upward by the first electric telescopic rod 403, so that the gear to be tested is engaged with the tooth groove part of the clamping seat 3, the gear to be tested is positioned, and when the supporting plate 402 rises, the inserting rod 404 is driven to move upward, the inclined groove part 406 is extruded, the positioning block 405 is driven to extend out of the sleeve shaft 401, the gear to be tested is longitudinally positioned, then the bidirectional screw rod 422 is driven to rotate by the second motor 423, the two side moving seats 410 are driven to move close, the two side teeth 419 are simultaneously inserted into the tooth root part of the gear to be tested, the detection efficiency is improved, the pulling plate 412 and the pulling rod 416 are driven to move backward by the first motor 415, the pulling force is applied to the tooth root part of the gear to be tested, the strength of the gear to be tested is detected, and the size of the pulling force can be observed in real time by the tension meter 417, so that the use is convenient.
[0039] Referring to Figures 1-8 In a preferred implementation, as shown in the drawings, the surface of the detection table 1 is provided with an adjusting mechanism 5 for angle adjustment of the gear to be tested. The adjusting mechanism 5 comprises a rotating shaft 501, a supporting arm 504 and a driving block 505. The rotating shaft 501 is rotatably installed in the inner cavity of the detection table 1, the surface of the rotating shaft 501 is inserted into the sleeve shaft 401, the side wall of the rotating shaft 501 is fixedly and symmetrically provided with second spline teeth 502, the inner cavity of the sleeve shaft 401 is provided with a second spline groove 503, the second spline teeth 502 are engaged with the second spline groove 503, the side wall of the sleeve shaft 401 is fixedly provided with the supporting arm 504, one end of the supporting arm 504 is fixedly provided with the driving block 505, the driving block 505 is wedge-shaped, one of the moving seats 410 is fixedly provided with a first supporting rod 506 at the bottom, one end of the first supporting rod 506 is fixedly provided with an inclined block 507 for driving the supporting arm 504 to move upward, the inner cavity of the detection table 1 is fixedly provided with a sliding rod 508, the surface of the sliding rod 508 is sleeved with a second spring 509, one end of the second spring 509 is fixedly connected with the detection table 1, the other end of the second spring 509 is fixedly connected with the supporting arm 504, for driving the supporting arm 504 to move downward, so that the driving block 505 is tightly attached to the surface of the inclined block 507, after the tooth root part of the gear to be tested is tested, the two moving seats 410 are driven to move away by the second motor 423, so that the teeth 419 are separated from the tooth root part of the gear to be tested, the first supporting rod 506 and the inclined block 507 are simultaneously moved, the driving block 505 drives the supporting arm 504 and the sleeve shaft 401 to move upward, so that the gear to be tested is separated from the clamping seat 3, and the positioning of the gear to be tested is cancelled.
[0040] Referring to Figures 1-8As shown, in one preferred embodiment, the surface of the rotating shaft 501 is fixedly installed with an adjusting gear 510 for angle adjustment of the gear to be tested, and the bottom of the moving seat 410 is fixedly installed with a mounting frame 511, and the inner cavity of the mounting frame 511 is slidably installed with a second supporting rod 512, and the side wall of the second supporting rod 512 is fixedly installed with a tooth block 513 which is matched with the adjusting gear 510. When the two moving seats 410 are driven to move away by the second motor 423, the second supporting rod 512 is synchronously moved, and the tooth block 513 is synchronously moved, and when the tooth block 513 is engaged with the adjusting gear 510, the rotating shaft 501 and the sleeve shaft 401 are synchronously rotated to realize the angle adjustment of the gear to be tested, and the strength detection of the next tooth root part can be realized. The side wall of the second supporting rod 512 is fixedly installed with a guide rod 514, the inner cavity of the detection table 1 is fixedly installed with a guide frame 515, the inner cavity of the guide frame 515 is provided with a guide groove 516, the guide rod 514 is inserted into the guide groove 516, the side wall of the guide frame 515 is slidably installed with a guide block 517, the surface of the guide block 517 is wedge-shaped, the bottom of the guide block 517 is fixedly installed with a third spring 518, and the other end of the third spring 518 is fixedly connected with the guide frame 515 for driving the guide block 517 to move upward. When the two moving seats 410 are driven to move away by the second motor 423, the guide rod 514 is located at the upper end of the guide groove 516, and at this time the tooth block 513 and the adjusting gear 510 are located in the same plane. Until the angle adjustment of the gear to be tested is completed, the guide rod 514 moves to the right end of the guide groove 516 and falls to the lower end of the guide groove 516 under the action of gravity, and at this time the tooth block 513 is no longer located in the same plane with the adjusting gear 510. Therefore, when the two moving seats 410 are driven to move again by the second motor 423, the second supporting rod 512 is moved to the left, the adjusting gear 510 will not be driven to rotate, and when the guide rod 514 contacts the guide block 517, the guide block 517 is driven to move downward, and until the guide rod 514 moves to the surface of the guide block 517, the third spring 518 is reset to drive the guide block 517 to move upward and push the guide rod 514 to the upper end of the guide groove 516 again. Repeat the above steps until the detection of all tooth root parts of the gear to be tested is completed.
[0041] In a preferred embodiment, after the test of one of the tooth roots of the gear to be tested is completed, the second motor 423 drives the two moving seats 410 to move away from each other, so that the teeth 419 disengage from the tooth root of the gear to be tested, while the first supporting rod 506 and the inclined block 507 move synchronously, and the driving block 505 drives the supporting arm 504 and the sleeve shaft 401 to move upwards, so that the gear to be tested is disengaged from the clamping seat 3, and the positioning of the gear to be tested is cancelled. At the same time, the other moving seat 410 drives the second supporting rod 512 to move synchronously, and drives the tooth block 513 to move synchronously. When the tooth block 513 engages with the adjusting gear 510, the rotating shaft 501 and the sleeve shaft 401 rotate synchronously, so that the angle adjustment of the gear to be tested is realized. Then, the next tooth root can be tested for strength, which is convenient to use and improves the detection efficiency.
[0042] Referring to Figures 1-9 In a preferred embodiment, as shown in the drawings, the detection table 1 is provided with an observation mechanism 6 for observing the tooth root after detection. The observation mechanism 6 includes a second mounting frame 601 and a visual camera 602. The second mounting frame 601 is fixedly installed on the surface of the detection table 1, and the visual camera 602 is installed on the side wall of the second mounting frame 601, which is used for taking pictures of the tooth part of the gear to be tested. The first contact 603 is fixedly installed in the inner cavity of the detection table 1, and the second contact 604 is fixedly installed on the surface of the supporting arm 504, which is used for controlling the working of the visual camera 602. After the test of one of the tooth roots of the gear to be tested is completed, the second motor 423 drives the two moving seats 410 to move away from each other, and the angle adjustment of the gear to be tested is performed. At this time, the first contact 603 and the second contact 604 are closed, and the visual camera 602 works to take pictures of the tooth root after detection. The detection table 1 is provided with an image processor, which can identify the pictures of the tooth root and determine whether the tooth root is damaged or cracked.
[0043] Referring to Figures 1-9As shown, in a preferred embodiment, the second mounting frame 601 is fixedly installed with a second electric telescopic rod 605, the telescopic end of the second electric telescopic rod 605 is fixedly installed with a syringe barrel 606, the inner cavity of the syringe barrel 606 is slidably installed with a piston 607, the surface of the piston 607 is fixedly installed with a connecting rod 608, the other end of the connecting rod 608 is fixedly installed with a injection head 609, the surface of the connecting rod 608 is sleeved with a fourth spring 610, one end of the fourth spring 610 is fixedly connected with the syringe barrel 606, the other end of the fourth spring 610 is fixedly connected with the injection head 609, the surface of the detection table 1 is fixedly installed with a solution tank 611 for storing ink, the connecting rod 608 and the injection head 609 are hollow, the inner cavity of the piston 607 is installed with a first one-way valve 612, the first one-way valve 612 is in communication with the hollow part of the connecting rod 608, the bottom of the syringe barrel 606 is installed with a second one-way valve 613, and the second one-way valve 613 is in communication with the solution tank 611. When it is identified from the picture that the tooth root part is damaged or cracked, the second electric telescopic rod 605 acts to drive the injection head 609 to move towards the tooth root part and abut against the side wall of the tooth root part, so as to extrude the piston 607 and compress the fourth spring 610, so that the ink in the syringe barrel 606 is injected to the surface of the tooth root part through the first one-way valve 612 and the hollow part of the connecting rod 608 and the injection head 609, the tooth root part is marked, and subsequent classification of the measured gear is facilitated.
[0044] In a preferred scheme, when the test of one tooth root part of the measured gear is completed, the second motor 423 drives the two moving seats 410 to move away, and the first contact 603 and the second contact 604 are closed when the angle of the measured gear is adjusted, at this time the visual camera 602 works to take a picture of the tooth root part, and the detection table 1 is provided with an image processor, which can identify the picture of the tooth root part to determine whether the tooth root part is damaged or cracked. When it is identified from the picture that the tooth root part is damaged or cracked, the second electric telescopic rod 605 acts to drive the injection head 609 to move towards the tooth root part and abut against the side wall of the tooth root part, so as to extrude the piston 607 and compress the fourth spring 610, so that the ink in the syringe barrel 606 is injected to the surface of the tooth root part through the first one-way valve 612 and the hollow part of the connecting rod 608 and the injection head 609, the tooth root part is marked, and subsequent classification of the measured gear is facilitated.
[0045] Specifically, the working principle of the high-efficiency gear strength detection device for rotary speed reducer is as follows: in use, the gear to be tested is sleeved on the surface of the sleeve shaft 401 along the first spline tooth 409, and falls on the surface of the supporting plate 402, then the supporting plate 402 and the gear to be tested are driven to move upward by the first electric telescopic rod 403, so that the gear to be tested is engaged with the tooth groove part of the clamping seat 3, and the gear to be tested is positioned, and when the supporting plate 402 rises, the plug rod 404 is driven to move upward, the inclined groove part 406 is extruded, the positioning block 405 is driven to extend out of the sleeve shaft 401, and the gear to be tested is longitudinally positioned, then the bidirectional screw rod 422 is driven to rotate by the second motor 423, the two moving seats 410 are driven to move close to each other, the two sides of the gear teeth 419 are simultaneously inserted into the tooth root part of the gear to be tested, the detection efficiency is improved, the first screw rod 413 is driven to rotate by the first motor 415, the pull plate 412 and the pull rod 416 are driven to move backward, a pulling force is applied to the tooth root part of the gear to be tested, and the strength of the gear to be tested is detected, and the size of the pulling force can be observed in real time by the tension meter 417, so that the use is convenient.
[0046] After the tooth root part of the gear to be tested is tested, the two moving seats 410 are driven to move away from each other by the second motor 423, the gear teeth 419 are separated from the tooth root part of the gear to be tested, the first supporting rod 506 and the inclined block 507 are simultaneously moved, the driving block 505 drives the supporting arm 504 and the sleeve shaft 401 to move upward, the gear to be tested is separated from the clamping seat 3, the positioning of the gear to be tested is cancelled, meanwhile, the second supporting rod 512 is simultaneously moved by the other moving seat 410, the gear block 513 is simultaneously moved, when the gear block 513 is engaged with the adjusting gear 510, the rotating shaft 501 and the sleeve shaft 401 are simultaneously rotated, the angle of the gear to be tested is adjusted, the strength of the next tooth root part can be detected, the use is convenient, and the detection efficiency is improved.
[0047] After the tooth root part of the gear to be tested is tested, the two moving seats 410 are driven to move away from each other by the second motor 423, and the angle of the gear to be tested is adjusted, the first contact 603 and the second contact 604 are closed at this time, the visual camera 602 works to take a photo of the tooth root part that has been tested, and the image processor built in the detection table 1 can identify the photo of the tooth root part to judge whether the tooth root part is damaged or cracked, when the tooth root part is identified to be damaged or cracked from the photo, the second electric telescopic rod 605 acts to drive the injection head 609 to move to the direction of the tooth root part and abut against the side wall of the tooth root part, the piston 607 is extruded, the fourth spring 610 is compressed, the ink in the injection cylinder 606 is injected to the surface of the tooth root part through the first one-way valve 612, the connecting rod 608 and the hollow part of the injection head 609, the tooth root part is marked, and the classification of the gear to be tested is facilitated.
[0048] The above merely preferred embodiments of the present application are not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A high-efficiency gear strength testing device for a rotary reducer, comprising a testing platform (1), a placement seat (2), and a clamping seat (3), wherein the placement seat (2) is symmetrically fixedly installed on the surface of the testing platform (1), and the clamping seat (3) is fixedly installed on the surface of the placement seat (2), and the inner wall of the clamping seat (3) is provided with tooth grooves for positioning the gear to be tested, characterized in that, The testing platform (1) is equipped with a testing mechanism (4) for testing the strength of the gear to be tested. The testing mechanism (4) includes: A sleeve shaft (401) is movably mounted on the surface of the testing table (1), and a support plate (402) is slidably sleeved on the surface of the sleeve shaft (401) for placing the gear to be tested; A movable seat (410) is symmetrically slidably mounted on the surface of the testing table (1), and a first mounting bracket (411) is symmetrically fixedly mounted on the surface of the movable seat (410). A pull plate (412) is slidably installed between two first mounting brackets (411). A pull rod (416) is fixedly installed on the side wall of the pull plate (412). A tension gauge (417) is fixedly installed at one end of the pull rod (416). A pull arm (418) is installed at the other end of the tension gauge (417). A tooth (419) is fixedly installed at one end of the pull arm (418). The tooth (419) is adapted to the gear to be tested. An adjustment mechanism (5) is installed on the surface of the testing table (1) for adjusting the angle of the gear to be tested. The adjustment mechanism (5) includes a rotating shaft (501), a support arm (504), and a drive block (505). The rotating shaft (501) is rotatably installed in the inner cavity of the testing table (1). The surface of the rotating shaft (501) is inserted into the sleeve shaft (401). Second spline teeth (502) are symmetrically fixedly installed on the side wall of the rotating shaft (501). A second spline groove (503) is opened in the inner cavity of the sleeve shaft (401). The second spline teeth (502) mesh with the second spline groove (503). The support arm (504) is fixedly installed on the side wall of the sleeve shaft (401). A drive block (505) is fixedly installed at one end of the support arm (504). The drive block (505) is wedge-shaped. A first support rod (506) is fixedly installed at the bottom of one of the movable seats (410). An inclined block (507) is fixedly installed at one end of the first support rod (506) for driving the support arm (504) to move upward. A slide rod (508) is fixedly installed in the inner cavity of the detection table (1). A second spring (509) is sleeved on the surface of the slide rod (508). One end of the second spring (509) is fixedly connected to the detection table (1), and the other end of the second spring (509) is fixedly connected to the support arm (504) for driving the support arm (504) to move downward.
2. The high-efficiency gear strength testing device for a rotary reducer according to claim 1, characterized in that, A first electric telescopic rod (403) is fixedly installed inside the sleeve shaft (401). The telescopic end of the first electric telescopic rod (403) is fixedly connected to the pallet (402) for driving the pallet (402) to rise and fall. A plug rod (404) is fixedly installed on the surface of the pallet (402). One end of the plug rod (404) is tapered. A positioning block (405) is symmetrically slidably installed inside the sleeve shaft (401) for longitudinal positioning of the gear to be tested. One end of the positioning block (405) is provided with The sleeve shaft (401) is provided with a slanted groove (406), and a connecting block (407) is fixedly installed on the surface of the positioning block (405). A first spring (408) is installed in the inner cavity of the sleeve shaft (401). One end of the first spring (408) is fixedly connected to the sleeve shaft (401), and the other end of the first spring (408) is fixedly connected to the connecting block (407). The spring is used to drive the positioning block (405) to move in the direction of the inner cavity of the sleeve shaft (401). A first spline tooth (409) is fixedly installed on the side wall of the sleeve shaft (401).
3. The high-efficiency gear strength testing device for a rotary reducer according to claim 1, characterized in that, A first lead screw (413) is rotatably mounted between the two first mounting brackets (411). A first threaded block (414) is fixedly mounted on the surface of the pull plate (412). The first threaded block (414) is threadedly connected to the first lead screw (413). A first motor (415) is fixedly mounted on the side wall of the first mounting bracket (411). The output end of the first motor (415) is fixedly connected to one end of the first lead screw (413).
4. The high-efficiency gear strength testing device for a rotary reducer according to claim 1, characterized in that, Two movable seats (410) are fixedly mounted with drive arms (420) on their side walls. A second threaded block (421) is fixedly mounted on the surface of the drive arms (420). A bidirectional lead screw (422) is rotatably mounted on the surface of the testing table (1). The bidirectional lead screw (422) is threadedly connected to the second threaded block (421). A second motor (423) is fixedly mounted on the surface of the testing table (1). The output end of the second motor (423) is fixedly connected to one end of the bidirectional lead screw (422) to drive the bidirectional lead screw (422) to rotate.
5. The high-efficiency gear strength testing device for a rotary reducer according to claim 1, characterized in that, An adjusting gear (510) is fixedly installed on the surface of the rotating shaft (501), and an installation frame (511) is fixedly installed on the bottom of another moving seat (410). A second support rod (512) is slidably installed in the inner cavity of the installation frame (511), and a tooth block (513) is fixedly installed on the side wall of the second support rod (512). The tooth block (513) is adapted to the adjusting gear (510).
6. The high-efficiency gear strength testing device for a rotary reducer according to claim 5, characterized in that, The second support rod (512) has a guide rod (514) fixedly installed on its side wall, and the inner cavity of the testing table (1) has a guide frame (515) fixedly installed. The inner cavity of the guide frame (515) has a guide groove (516), and the guide rod (514) is inserted into the guide groove (516).
7. The high-efficiency gear strength testing device for a rotary reducer according to claim 6, characterized in that, A guide block (517) is slidably installed on the side wall of the guide frame (515). The surface of the guide block (517) is wedge-shaped. A third spring (518) is fixedly installed at the bottom of the guide block (517). The other end of the third spring (518) is fixedly connected to the guide frame (515) to drive the guide block (517) to move upward.
8. The high-efficiency gear strength testing device for a rotary reducer according to claim 1, characterized in that, The surface of the testing platform (1) is equipped with an observation mechanism (6), which includes a second mounting bracket (601) and a vision camera (602). The second mounting bracket (601) is fixedly mounted on the surface of the testing platform (1), and the vision camera (602) is mounted on the side wall of the second mounting bracket (601) for taking pictures of the teeth of the gear to be tested. The inner cavity of the testing platform (1) is fixedly equipped with a first contact point (603), and the surface of the support arm (504) is fixedly equipped with a second contact point (604) for controlling the operation of the vision camera (602).
9. A high-efficiency gear strength testing device for a rotary reducer according to claim 8, characterized in that, A second electric telescopic rod (605) is fixedly installed on the side wall of the second mounting bracket (601). An injection cylinder (606) is fixedly installed on the telescopic end of the second electric telescopic rod (605). A piston (607) is slidably installed inside the injection cylinder (606). A connecting rod (608) is fixedly installed on the surface of the piston (607). An injection head (609) is fixedly installed on the other end of the connecting rod (608). A fourth spring (610) is sleeved on the surface of the connecting rod (608). One end of the fourth spring (610) is fixedly connected to the injection cylinder (606). The other end of the fourth spring (610) is fixedly connected to the injection head (609). A solution tank (611) is fixedly installed on the surface of the detection stage (1) for storing ink. The connecting rod (608) and the injection head (609) are hollow. A first one-way valve (612) is installed in the inner cavity of the piston (607). The first one-way valve (612) is connected to the hollow part of the connecting rod (608). A second one-way valve (613) is installed at the bottom of the injection cylinder (606). A hose is connected between the second one-way valve (613) and the solution tank (611).
Citation Information
Patent Citations
Gear impact fatigue detection device
CN119164588A
Strength detection tool for output gear with internal teeth
CN209961597U