A multi-specification running-in test device for harmonic reducers

Abstract

The present invention provides a multi-specification running-in test device for harmonic reducers, comprising: a frame, the cross-section of the frame is L-shaped, the frame comprises a horizontal plate and a vertical plate, the vertical plate is provided with mounting holes for matching with harmonic reducers of multiple specifications; a reducer bracket, the reducer bracket is adjusted by a bracket size adjustment part; an adjustable load, the load size and the lever arm length of the adjustable load can be adjusted. During installation, the rollers of the present invention support the harmonic reducer, and the synchronous adjustment of the support size of the rollers is achieved by the bracket size adjustment part; by aligning the mounting holes thereof with the mounting holes on the vertical plate, this method is simple and easy to operate; the corresponding mounting holes of multiple specifications increase the versatility of the test device and reduce waste; when the load needs to be adjusted, it can be achieved by increasing or decreasing the number of load plates, or by adjusting the position of the load plates on the load arm, and combining the two methods can achieve a larger load adjustment range, thereby expanding the scope of application of the test device.

Description

Technical Field

[0001] The invention relates to the technical field of harmonic reducer testing devices, and in particular to a multi-specification running-in testing device for harmonic reducers. Background Art

[0002] A harmonic reducer is a reducer that uses a harmonic generator to make the flexible gear produce controllable elastic deformation and mesh with the rigid gear to transmit the power. It has the advantages of high load-bearing capacity, large transmission ratio, small size, and smoother transmission. It is widely used in industrial robots, aviation equipment and other fields. Before leaving the factory, a harmonic reducer generally needs to undergo a running-in test to test the various performances of the harmonic reducer. The existing running-in test device can only test one specification of harmonic reducer. If there are multiple specifications of test requirements, each specification of harmonic reducer needs to correspond to a set of test devices, resulting in a certain amount of waste; and the existing running-in test device has a small load adjustment range, which sometimes cannot meet the test needs. Summary of the invention

[0003] The present invention aims to solve the deficiencies of the prior art and provide a multi-specification running-in test device for a harmonic reducer.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A multi-specification running-in test device for a harmonic reducer, comprising:

[0006] The frame has an L-shaped cross section and includes a horizontal plate and a vertical plate. The horizontal plate is fixedly connected to the test table, one side of the vertical plate is provided with a motor slot for the servo motor used for testing, and the vertical plate is provided with mounting holes for harmonic reducers of multiple specifications;

[0007] The reducer bracket is used to support the harmonic reducer during installation, and the reducer bracket is adjusted through the bracket size adjustment part;

[0008] The adjustable load is connected to the output end of the harmonic reducer, and the load size and the lever arm length of the adjustable load can be adjusted.

[0009] Furthermore, the reducer bracket includes a plurality of rollers for supporting the harmonic reducer, and the distances between the axes of all the rollers and the axis of the harmonic reducer are the same.

[0010] Furthermore, a plurality of slideways are provided radially along the harmonic reducer on the upper edge of the vertical plate, a slider is provided for sliding in the slideway, a plurality of rollers are rotatably connected to the plurality of sliders respectively, and a bracket size adjustment part drives the slider to slide synchronously along the slideway.

[0011] Furthermore, the bracket size adjustment part includes a turntable, which is coaxially arranged with the harmonic reducer, and is rotatably connected to the vertical plate. The turntable is provided with a strip hole for the harmonic reducer to pass through the fixing bolts, and a sliding column is fixedly provided on the side of the slider close to the turntable. An adjustment slide is provided on the turntable in cooperation with the sliding column. The two ends of the adjustment slide are at different distances from the axis of the harmonic reducer, and the adjustment slide is not radially arranged along the harmonic reducer. A driving mechanism for driving the turntable to rotate is provided on one side of the turntable.

[0012] Furthermore, the driving mechanism includes a worm gear transmission mechanism, which includes a worm wheel and a worm, the worm wheel is coaxially fixedly connected to the turntable, one end of the worm extends out of the vertical plate and a knob is fixedly provided at the end.

[0013] Furthermore, the driving mechanism includes a worm gear transmission mechanism, which includes a worm wheel and a worm, the worm wheel is coaxially fixedly connected to the turntable, and the worm is driven to rotate by a motor.

[0014] Furthermore, the adjustable load includes a connecting flange, a load arm is fixedly arranged on the connecting flange, and a plurality of load discs are detachably fixedly arranged on one end of the load arm.

[0015] Furthermore, a strip-shaped fixing hole is provided on the load arm along the radial direction of the harmonic reducer, and a plurality of screws for fixing the load disk are passed through the strip-shaped fixing hole. The screws penetrate the load disk, and the screw threads are connected to a pressing block for pressing the load disk.

[0016] Furthermore, a plurality of fixing holes are provided on the load arm along the radial direction of the harmonic reducer, and screws for fixing the load disc are passed through the fixing holes. The screws penetrate the load disc, and the screw threads are connected to a pressing block for pressing the load disc.

[0017] Furthermore, one end of the pressing block close to the load plate is provided with anti-slip grooves in cooperation with the load plate.

[0018] The beneficial effects of the present invention are as follows: during installation, the roller of the present invention supports the harmonic reducer, and the support size of the roller is synchronously adjusted through the bracket size adjustment part; by aligning its mounting hole with the mounting hole on the vertical plate, this method is simple and easy to operate, and also improves the installation accuracy of the harmonic reducer during testing; the corresponding mounting holes of multiple specifications increase the versatility of the test device and reduce waste; when the load needs to be adjusted, it can be achieved by increasing or decreasing the number of load plates, or by adjusting the position of the load plate on the load arm. This adjustment method is more flexible, and combining the two methods can achieve a larger load adjustment range, thereby expanding the scope of application of the test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view of the first embodiment;

[0020] Figure 2is a top view of the first embodiment;

[0021] Figure 3 It is a left side view of the first embodiment;

[0022] Figure 4 for Figure 3 Sectional view at AA in the middle;

[0023] Figure 5 It is a front view of the second embodiment;

[0024] Figure 6 is a top view of the second embodiment;

[0025] Figure 7 It is a left view of the second embodiment;

[0026] Figure 8 for Figure 7 Sectional view at the middle BB;

[0027] In the figure: 10-frame; 11-horizontal plate; 12-vertical plate; 13-motor slot; 14-slideway; 15-slider; 20-reducer bracket; 21-roller; 30-bracket size adjustment part; 31-turntable; 32-slide post; 33-adjusting slideway; 34-driving mechanism; 341-worm gear; 342-worm; 343-knob; 344-motor; 40-adjustable load; 41-connecting flange; 42-load arm; 43-load plate; 44-strip fixing hole; 45-screw; 46-pressing block; 47-fixing hole;

[0028] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with embodiments:

[0030] Embodiment 1

[0031] A multi-specification running-in test device for a harmonic reducer, comprising:

[0032] The frame 10 has an L-shaped cross section and includes a horizontal plate 11 and a vertical plate 12. The horizontal plate 11 is fixedly connected to the test table, and one side of the vertical plate 12 is provided with a motor slot 13 for cooperating with a servo motor for testing. The vertical plate 12 is provided with mounting holes for cooperating with harmonic reducers of multiple specifications.

[0033] The reducer bracket 20 is used to support the harmonic reducer during installation. The reducer bracket 20 is adjusted by the bracket size adjustment part 30;

[0034] The adjustable load 40 is connected to the output end of the harmonic reducer. The load size and the lever arm length of the adjustable load 40 can be adjusted.

[0035] Furthermore, the reducer bracket 20 includes a plurality of rollers 21 for supporting the harmonic reducer, and the distances between the axes of all the rollers 21 and the axes of the harmonic reducer are the same.

[0036] Furthermore, a plurality of slideways 14 are provided on the vertical plate 12 along the radial direction of the harmonic reducer, a slider 15 is slidably provided in the slideway 14, a plurality of rollers 21 are rotatably connected to the plurality of sliders 15 respectively, and the bracket size adjustment part 30 drives the slider 15 to slide synchronously along the slideway 14.

[0037] Furthermore, the bracket size adjustment part 30 includes a turntable 31, which is coaxially arranged with the harmonic reducer, and is rotatably connected to the vertical plate 12. The turntable 31 is provided with a strip hole for the fixing bolts of the harmonic reducer to pass through. A slide column 32 is fixedly provided on the side of the slider 15 close to the turntable 31, and an adjustment slide 33 is provided on the turntable 31 in cooperation with the slide column 32. The two ends of the adjustment slide 33 have different distances from the axis of the harmonic reducer, and the adjustment slide 33 is not arranged radially along the harmonic reducer. A driving mechanism 34 for driving the turntable 31 to rotate is provided on one side of the turntable 31.

[0038] Furthermore, the driving mechanism 34 includes a worm gear transmission mechanism, which includes a worm wheel 341 and a worm 342 . The worm wheel 341 is coaxially fixedly connected to the turntable 31 . One end of the worm 342 extends out of the vertical plate 12 and a knob 343 is fixedly disposed at the end.

[0039] Furthermore, the adjustable load 40 includes a connecting flange 41 , a load arm 42 is fixedly mounted on the connecting flange 41 , and a plurality of load discs 43 are detachably fixedly mounted on one end of the load arm 42 .

[0040] Furthermore, a strip fixing hole 44 is provided on the load arm 42 along the radial direction of the harmonic reducer, and a plurality of screws 45 for fixing the load disk 43 are passed through the strip fixing hole 44 . The screws 45 pass through the load disk 43 , and the screws 45 are threadedly connected with a pressing block 46 for pressing the load disk 43 .

[0041] Furthermore, one end of the pressing block 46 close to the load plate 43 is provided with anti-slip grooves in cooperation with the load plate 43 .

[0042] Embodiment 2

[0043] A multi-specification running-in test device for a harmonic reducer, comprising:

[0044] The frame 10 has an L-shaped cross section and includes a horizontal plate 11 and a vertical plate 12. The horizontal plate 11 is fixedly connected to the test table, and one side of the vertical plate 12 is provided with a motor slot 13 for cooperating with a servo motor for testing. The vertical plate 12 is provided with mounting holes for cooperating with harmonic reducers of multiple specifications.

[0045] The reducer bracket 20 is used to support the harmonic reducer during installation. The reducer bracket 20 is adjusted by the bracket size adjustment part 30;

[0046] The adjustable load 40 is connected to the output end of the harmonic reducer. The load size and the lever arm length of the adjustable load 40 can be adjusted.

[0047] Furthermore, the reducer bracket 20 includes a plurality of rollers 21 for supporting the harmonic reducer, and the distances between the axes of all the rollers 21 and the axes of the harmonic reducer are the same.

[0048] Furthermore, a plurality of slideways 14 are provided on the vertical plate 12 along the radial direction of the harmonic reducer, a slider 15 is slidably provided in the slideway 14, a plurality of rollers 21 are rotatably connected to the plurality of sliders 15 respectively, and the bracket size adjustment part 30 drives the slider 15 to slide synchronously along the slideway 14.

[0049] Furthermore, the bracket size adjustment part 30 includes a turntable 31, which is coaxially arranged with the harmonic reducer, and is rotatably connected to the vertical plate 12. The turntable 31 is provided with a strip hole for the fixing bolts of the harmonic reducer to pass through. A slide column 32 is fixedly provided on the side of the slider 15 close to the turntable 31, and an adjustment slide 33 is provided on the turntable 31 in cooperation with the slide column 32. The two ends of the adjustment slide 33 have different distances from the axis of the harmonic reducer, and the adjustment slide 33 is not arranged radially along the harmonic reducer. A driving mechanism 34 for driving the turntable 31 to rotate is provided on one side of the turntable 31.

[0050] Furthermore, the driving mechanism 34 includes a worm gear transmission mechanism, which includes a worm wheel 341 and a worm 342 . The worm wheel 341 is coaxially fixedly connected to the turntable 31 , and the worm 342 is driven to rotate by a motor 344 .

[0051] Furthermore, the adjustable load 40 includes a connecting flange 41 , a load arm 42 is fixedly mounted on the connecting flange 41 , and a plurality of load discs 43 are detachably fixedly mounted on one end of the load arm 42 .

[0052] Furthermore, a plurality of fixing holes 47 are provided on the load arm 42 along the radial direction of the harmonic reducer. Screws 45 for fixing the load disc 43 are passed through the fixing holes 47 . The screws 45 penetrate the load disc 43 . The screws 45 are threadedly connected to a pressing block 46 for pressing the load disc 43 .

[0053] Furthermore, one end of the pressing block 46 close to the load plate 43 is provided with anti-slip grooves in cooperation with the load plate 43 .

[0054] When the present invention is used, the harmonic reducer to be tested is first placed on the roller 21, and the turntable 31 is driven to rotate by the knob 343 or the motor 344 and the worm gear transmission mechanism. The turntable 31 causes the slide post 32 to slide along the adjustment slideway 33, thereby driving the slider 15 to slide along the slideway 14, thereby realizing the synchronous adjustment of the support size of the roller 21; after adjusting to the appropriate support size, the harmonic reducer is rotated to align its mounting hole with the mounting hole on the vertical plate 12 and fixed by bolts. This method is simple and easy to operate, and also improves the installation accuracy of the harmonic reducer during testing; the corresponding mounting holes of multiple specifications increase the versatility of the test device and reduce waste; after the harmonic reducer is fixed, the connecting flange 41, the load arm 42, and the load plate 43 are installed in turn, and the running-in test can be carried out after the installation is completed; when the load needs to be adjusted, it can be achieved by increasing or decreasing the number of load plates 43, or by adjusting the position of the load plate 43 on the load arm 42. This adjustment method is more flexible, and combining the two methods can achieve a larger load adjustment range, thereby expanding the scope of application of the test device.

[0055] The present invention has been exemplarily described above in conjunction with specific embodiments. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various improvements are made using the method concept and technical solution of the present invention, or they are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A multi-specification running-in test device for harmonic reducers, characterized in that: include: A frame (10), the cross section of the frame (10) is L-shaped, the frame (10) comprises a horizontal plate (11) and a vertical plate (12), the horizontal plate (11) is fixedly connected to the test table, one side of the vertical plate (12) is provided with a motor slot (13) for cooperating with a servo motor for testing, and the vertical plate (12) is provided with a mounting hole for cooperating with harmonic reducers of multiple specifications; A reducer bracket (20) is used to support the harmonic reducer during installation, and the reducer bracket (20) is adjusted by a bracket size adjustment part (30); An adjustable load (40), the adjustable load (40) is connected to the output end of the harmonic reducer, and the load size and the lever arm length of the adjustable load (40) are both adjustable; The reducer bracket (20) comprises a plurality of rollers (21) for supporting the harmonic reducer, and the distances between the axes of all the rollers (21) and the axes of the harmonic reducer are the same; a plurality of slideways (14) are provided on the vertical plate (12) along the radial direction of the harmonic reducer, a slider (15) is provided in the slideway (14) for sliding, the plurality of rollers (21) are respectively rotatably connected to the plurality of sliders (15), and the bracket size adjustment part (30) drives the slider (15) to slide synchronously along the slideway (14); The bracket size adjustment part (30) comprises a rotating disk (31), the rotating disk (31) and the harmonic reducer are arranged coaxially, the rotating disk (31) is rotatably connected to the vertical plate (12), the rotating disk (31) is provided with a strip hole for facilitating the passage of a fixing bolt of the harmonic reducer, a sliding column (32) is fixedly provided on one side of the slider (15) close to the rotating disk (31), an adjusting slideway (33) is provided on the rotating disk (31) in cooperation with the sliding column (32), and both ends of the adjusting slideway (33) are 1 / 4 of the distance from the harmonic reducer to the rotating disk (31). The distance between the axis of the harmonic reducer and the adjusting slideway (33) is not arranged along the radial direction of the harmonic reducer. A driving mechanism (34) for driving the rotary disc (31) to rotate is arranged on one side of the rotary disc (31); the driving mechanism (34) comprises a worm gear transmission mechanism, the worm gear transmission mechanism comprises a worm wheel (341) and a worm (342), the worm wheel (341) is coaxially fixedly connected to the rotary disc (31), one end of the worm (342) extends out of the vertical plate (12) and a knob (343) is fixedly arranged at the end.

2. A multi-specification running-in test device for harmonic reducers, characterized in that: include: A frame (10), the cross section of the frame (10) is L-shaped, the frame (10) comprises a horizontal plate (11) and a vertical plate (12), the horizontal plate (11) is fixedly connected to the test table, one side of the vertical plate (12) is provided with a motor slot (13) for cooperating with a servo motor for testing, and the vertical plate (12) is provided with a mounting hole for cooperating with harmonic reducers of multiple specifications; A reducer bracket (20) is used to support the harmonic reducer during installation, and the reducer bracket (20) is adjusted by a bracket size adjustment part (30); An adjustable load (40), the adjustable load (40) is connected to the output end of the harmonic reducer, and the load size and the lever arm length of the adjustable load (40) are both adjustable; The reducer bracket (20) comprises a plurality of rollers (21) for supporting the harmonic reducer, and the distances between the axes of all the rollers (21) and the axes of the harmonic reducer are the same; a plurality of slideways (14) are provided on the vertical plate (12) along the radial direction of the harmonic reducer, a slider (15) is provided in the slideway (14) for sliding, the plurality of rollers (21) are respectively rotatably connected to the plurality of sliders (15), and the bracket size adjustment part (30) drives the slider (15) to slide synchronously along the slideway (14); The bracket size adjustment part (30) comprises a rotating disk (31), the rotating disk (31) and the harmonic reducer are arranged coaxially, the rotating disk (31) is rotatably connected to the vertical plate (12), the rotating disk (31) is provided with a strip hole for facilitating the passage of the fixing bolts of the harmonic reducer, a sliding column (32) is fixedly provided on one side of the slider (15) close to the rotating disk (31), an adjusting slideway (33) is provided on the rotating disk (31) in cooperation with the sliding column (32), and both sides of the adjusting slideway (33) are provided with a plurality of adjusting columns. The distances between the ends and the axis of the harmonic reducer are different, the adjusting slideway (33) is not arranged along the radial direction of the harmonic reducer, and a driving mechanism (34) for driving the rotating disk (31) to rotate is provided on one side of the rotating disk (31); the driving mechanism (34) comprises a worm gear transmission mechanism, the worm gear transmission mechanism comprises a worm wheel (341) and a worm (342), the worm wheel (341) is coaxially fixedly connected to the rotating disk (31), and the worm (342) is driven to rotate by a motor (344).

3. The multi-specification running-in test device for harmonic reducers according to claim 1 or 2, characterized in that: The adjustable load (40) comprises a connecting flange (41), a load arm (42) is fixedly mounted on the connecting flange (41), and a plurality of load discs (43) are detachably fixedly mounted on one end of the load arm (42).

4. The multi-specification running-in test device for harmonic reducers according to claim 3 is characterized in that: A strip-shaped fixing hole (44) is provided on the load arm (42) along the radial direction of the harmonic reducer. A plurality of screws (45) for fixing the load plate (43) are inserted into the strip-shaped fixing hole (44). The screws (45) penetrate the load plate (43). The screws (45) are threadedly connected to a pressing block (46) for pressing the load plate (43).

5. The multi-specification running-in test device for harmonic reducers according to claim 3 is characterized in that: A plurality of fixing holes (47) are provided on the load arm (42) along the radial direction of the harmonic reducer. Screws (45) for fixing the load disc (43) are inserted into the fixing holes (47). The screws (45) penetrate the load disc (43). The screws (45) are threadedly connected to a pressing block (46) for pressing the load disc (43).

6. The multi-specification running-in test device for harmonic reducers according to claim 4 or 5, characterized in that: One end of the pressing block (46) close to the load plate (43) cooperates with the load plate (43) to be provided with anti-slip grooves.

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