A coaxial reducer testing device for new energy vehicles

Abstract

The application discloses a new energy automobile coaxial speed reducer testing device, and relates to the technical field of transmission mechanism testing.The multiple installation bins are used for installing coaxial speed reducers, so that the device can simultaneously test multiple coaxial speed reducers, effectively improves the efficiency of the new energy automobile coaxial speed reducer testing, and facilitates the contrast test.Meanwhile, the meshing of the gear ring and the multiple first gears enables the multiple coaxial speed reducers to be simultaneously connected to the same servo motor, which is beneficial to reducing the use amount of the servo motor, reducing the testing cost, ensuring the stability and consistency of the power source during the testing of the multiple coaxial speed reducers, and ensuring the accuracy during the simultaneous testing of the multiple coaxial speed reducers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of transmission mechanism testing, and particularly relates to a coaxial reducer testing device for new energy vehicles. BACKGROUND

[0002] The coaxial reducer is one of the core components in the transmission mechanism of the new energy vehicle, and the performance of the coaxial reducer directly affects the power transmission efficiency, energy consumption, and driving stability and comfort of the vehicle. Therefore, in the research and production process of the coaxial reducer, comprehensive and accurate testing of the coaxial reducer is a key process to ensure the performance and quality of the coaxial reducer. The coaxial reducer testing device is usually used to complete this operation in the prior art.

[0003] In the actual use process of the existing coaxial reducer testing device, the testing of a single coaxial reducer is usually performed at the same time due to the limitation of the installation position, which makes it difficult to form a comparative test under different working environments through the simultaneous testing of multiple coaxial reducers. In the testing process, there is a lack of comparison and reference, and it is difficult to quickly, comprehensively and accurately evaluate the influence of different factors on the performance of the coaxial reducer. If the testing device of a single installation position needs to obtain comparative test data, multiple testing operations need to be performed again, which not only leads to low testing efficiency, but also makes it difficult to accurately control the data setting during multiple tests, thereby affecting the accuracy and reliability of the test results.

[0004] Therefore, the coaxial reducer testing device for new energy vehicles is proposed to solve some problems in the prior art. SUMMARY

[0005] The coaxial reducer testing device for new energy vehicles is proposed to solve the problem in the prior art that the coaxial reducer testing device for new energy vehicles usually adopts a single installation position use mode, and it is difficult to simultaneously perform comparative testing on multiple coaxial reducers, thereby affecting the testing efficiency and testing accuracy.

[0006] In order to solve the problems in the prior art, the present application adopts the following technical solutions:

[0007] The application discloses a coaxial reducer testing device for new energy vehicles.

[0008] Preferably, the first rotating disc and the second rotating disc are coaxially arranged and rotationally connected with the outer frame, the first rotating disc and the second rotating disc are fixedly connected, the outer side of the first rotating shaft movably sheaths a rotating drum, and the rotating drum is fixedly connected with the corresponding installation cavity.

[0009] Preferably, a first sprocket is fixed on each rotating drum, a fixed shaft is fixed on the outer frame and rotationally arranged at the axial center of the second rotating disc, a second sprocket corresponding to the first sprockets is fixed on the fixed shaft, and a chain is transmissionally sleeved between the second sprocket and the corresponding first sprocket.

[0010] Preferably, an operation table is fixed on the outer frame and located at the middle position of the front surface of the first rotating disc and the second rotating disc, an installation seat is arranged in each installation cavity, and the coaxial reducer is fixed in the installation seat.

[0011] Preferably, a first guide rail is fixed on the top of the operation table and arranged in a longitudinal direction, a second guide rail is fixed in each installation cavity and arranged in a longitudinal direction, the second guide rail is arranged in correspondence with the first guide rail, a sliding table is slidably arranged on the second guide rail, and the installation seat is fixed on the sliding table.

[0012] Preferably, an outer gear ring is fixed on the outer side of the second rotating disc and arranged in a surrounding manner, the outer side dimension of the outer gear ring is matched with the outer side dimension of the gear ring, an axle support is slidably arranged in the outer frame, a second gear wheel is rotationally arranged in the axle support and engaged with the outer side of the gear ring, a spline shaft is slidably and telescopically arranged in the second gear wheel, the spline shaft is connected with the driving shaft of the servo motor, an electric push rod is fixed on the outer frame and arranged in parallel with the spline shaft, and the telescopic end of the electric push rod is fixed with the axle support.

[0013] Preferably, the second rotating disc is provided with positioning holes corresponding to the plurality of installation compartments, the outer frame is slidably connected with positioning pins corresponding to the positioning holes, and the positioning pins are movably sleeved with first springs for elastically supporting the positioning pins.

[0014] Preferably, the first connector comprises a first circular box fixedly connected with the first rotating shaft, a first spline barrel is fixed to the left side of the first circular box, a first magnet is fixed to the axial position in the first circular box, a second spline barrel is rotatably arranged on the right side of the mounting seat, a first spline rod adapted to the first spline barrel is fixed to the right end of the second spline barrel, a second spring is movably sleeved with the outer side of the second spline barrel for elastically supporting the second spline barrel, a second spline rod is slidably connected with the left end of the second spline barrel, the second connector comprises a third spline barrel rotatably arranged on the left side of the mounting seat, a third spline rod is slidably connected with the right end of the third spline barrel, a second circular box is fixedly connected with the left end of the third spline barrel, a fourth spline barrel is fixed to the left side of the second circular box, a second magnet is fixed to the axial position in the second circular box, a fifth spline barrel is fixedly connected with the right end of the second rotating shaft, a fourth spline rod is slidably connected with the right end of the fifth spline barrel, and a third spring is fixedly connected with the fourth spline rod in the fifth spline barrel.

[0015] Preferably, a magnetic separation mechanism is arranged in the first circular box and the second circular box, and the magnetic separation mechanism comprises magnetic separation plates symmetrically and slidably arranged in the first circular box or the second circular box, and a fourth spring for elastically supporting the magnetic separation plates.

[0016] Preferably, a magnetic coupling is connected between the driving shaft of the servo motor and the spline shaft.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] 1. In the present application, a plurality of installation compartments are provided for installing coaxial reducers, so that the device can simultaneously test a plurality of coaxial reducers, effectively improving the efficiency of testing new energy automobile coaxial reducers, facilitating comparative testing, and simultaneously enabling a plurality of coaxial reducers to be connected to the same servo motor through the meshing of the tooth ring and a plurality of first gears, thereby reducing the use of servo motors, reducing testing costs, and ensuring stable and consistent power sources for testing a plurality of coaxial reducers, thereby ensuring the accuracy of simultaneous testing of a plurality of coaxial reducers.

[0019] 2. In this invention, by rotating the first turntable and the second turntable inside the outer frame, the position of the numerous mounting compartments arranged around the first and second turntables can be adjusted by the rotation of the first and second turntables. This makes it easy to adjust the numerous mounting compartments one by one to the front position. With the guidance of the operating table and the guide slide after the first guide rail and the second guide rail are connected, the mounting base can be slid. The coaxial reducer can be installed on the operating table outside the mounting compartment and quickly moved into the mounting compartment. This is beneficial to improving the efficiency of installing numerous coaxial reducers in the mounting compartment and improves the efficiency of the coaxial reducer testing process for new energy vehicles to a certain extent.

[0020] 3. In this invention, the installation chamber is rotatably connected to the first and second turntables via a rotating drum, and the rotating drum is connected to the fixed shaft with a constant axial position of the second turntable through the meshing of the first sprocket, the second sprocket and the chain. This allows the rotating drum to be driven to rotate in the opposite direction by the same angle during the rotation and adjustment of the second turntable, thus ensuring that the installation chamber fixedly connected to the rotating drum always maintains a stable vertical state. This prevents the numerous installation chambers from tilting due to the rotation of the first and second turntables, which helps to ensure the stability of the coaxial reducer when installed in the installation chamber by the workers.

[0021] 4. In this invention, by fixing the outer gear ring around the outside of the second turntable and setting the outer dimension of the outer gear ring to match the outer dimension of the gear ring, and by adjusting the second gear left and right, the second gear can mesh with the gear ring and the outer gear ring respectively. This allows the servo motor to not only provide rotational power during the coaxial reducer test, but also to provide power for the rotational adjustment of the first and second turntables during the disassembly and assembly of the coaxial reducer. This further reduces the amount of servo motor used, which not only improves the ease of operation of the device, but also effectively reduces the manufacturing cost of the device and the energy consumption during testing, achieving green and energy-saving testing operations.

[0022] 5. In this invention, when no test is performed, the first magnet and the second magnet are respectively shielded by the magnetic shielding plates correspondingly arranged in the first and second round boxes. The first magnet and the second magnet cannot magnetically attract the first spline rod and the fourth spline rod through the magnetic shielding plates. This makes the first connector and the second connector both in an interrupted state. In this state, the mounting base can be smoothly moved into the mounting chamber and can also be smoothly removed from the mounting base. This can effectively ensure the convenience and smoothness of the device in disassembling and assembling the coaxial reducer by moving the mounting base. Attached Figure Description

[0023] The accompanying drawings, which are included to provide a further understanding of the invention and form part of this application, illustrate exemplary embodiments of the invention and, together with their description, serve to explain the invention and do not constitute an undue limitation thereof. In the drawings:

[0024] Figure 1 isometric view of the present application;

[0025] Figure 2 isometric view of the present application;

[0026] Figure 3 isometric view of the present application;

[0027] Figure 4 isometric view of the present application;

[0028] Figure 5 isometric view of the present application;

[0029] Figure 6 front view of the present application;

[0030] Figure 7 cross-sectional view of the present application Figure 6 at A-A;

[0031] Figure 8 top view of the present application;

[0032] Figure 9 cross-sectional view of the present application Figure 8 at B-B;

[0033] Figure 10 cross-sectional view of the present application Figure 8 at C-C.

[0034] Reference numerals in the drawings:

[0035] 1, outer frame; 101, first rotating disc; 102, second rotating disc; 103, installation compartment; 104, first rotating shaft; 105, first gear; 106, gear ring; 107, servo motor; 108, second rotating shaft; 109, test sensor;

[0036] 2, rotating drum; 201, first sprocket; 202, fixed shaft; 203, second sprocket; 204, chain;

[0037] 3, operation table; 301, first guide rail; 302, second guide rail; 303, sliding table; 304, mounting seat; 305, outer gear ring; 306, shaft support; 307, second gear; 308, spline shaft; 309, electric push rod;

[0038] 4, positioning hole; 401, positioning pin; 402, first spring;

[0039] 5, first circular box; 501, first spline barrel; 502, first magnet; 503, second spline barrel; 504, first spline rod; 505, second spring; 506, second spline rod;

[0040] 6, third spline barrel; 601, third spline rod; 602, second circular box; 603, fourth spline barrel; 604, second magnet; 605, fifth spline barrel; 606, fourth spline rod; 607, third spring;

[0041] 7, magnetic isolation plate; 701, fourth spring;

[0042] 8, magnetic coupling. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments.

[0044] Embodiment: The embodiment provides a new energy vehicle coaxial reducer testing device, referring to Figure 1 - Figure 10 Specifically, the outer frame 1 is provided with a first turntable 101 and a second turntable 102 on the left and right sides, respectively, a plurality of installation compartments 103 are installed around the first turntable 101 and the second turntable 102, a first rotating shaft 104 corresponding to each installation compartment 103 is rotatably arranged in the second turntable 102, and the first rotating shaft 104 extends into the corresponding installation compartment 103, a first gear 105 is fixed on the first rotating shaft 104, a plurality of first gears 105 are collectively sleeved with a gear ring 106, and the gear ring 106 is engaged with the first gear 105, a servo motor 107 is installed on the outer frame 1, a second rotating shaft 108 corresponding to each installation compartment 103 is rotatably arranged in the first turntable 101, and the second rotating shaft 108 extends into the corresponding installation compartment 103, a test sensor 109 corresponding to each second rotating shaft 108 is fixed in the first turntable 101, a plurality of coaxial reducers to be tested are installed in the plurality of installation compartments 103, an input shaft of the coaxial reducer is connected with the first rotating shaft 104, and an output shaft of the coaxial reducer is connected with the second rotating shaft 108.

[0045] When the device is in use, the workers can realize the test of multiple same new energy vehicles coaxial reducers under different working conditions by using the device. Through comparison and verification, the coaxial reducer can be accurately tested. For example, in the working condition test of the coaxial reducer under different lubrication conditions, multiple same coaxial reducers are installed in the multiple installation cavities 103 in turn, and the input shaft of the coaxial reducer is connected with the first rotating shaft 104, and the output shaft of the coaxial reducer is connected with the second rotating shaft 108. The amount of lubricating oil in each coaxial reducer is accurately controlled and different. Then the servo motor 107 is powered on and started. After the servo motor 107 is started, the gear ring 106 is driven to rotate. By means of the meshing of the gear ring 106 and the multiple first gears 105, the multiple first rotating shafts 104 are driven to rotate synchronously. During the rotation of the first rotating shaft 104, the rotary power is transmitted to the input shaft of the coaxial reducer. Then, after the conversion of the coaxial reducer, the rotary power is output from the output shaft of the coaxial reducer to drive the second rotating shaft 108 to rotate. The test sensor 109 connected with the second rotating shaft 108 can detect the rotation of the second rotating shaft 108. The test sensor 109 can be set as a rotation speed sensor, a torque sensor, etc. according to the actual use requirement. By recording and comparing the data measured by the multiple test sensors 109, the contrast test of the coaxial reducer under different working conditions can be efficiently realized.

[0046] During the test, the multiple installation cavities 103 are provided for installing the coaxial reducers, so that the device can test multiple coaxial reducers at the same time. Not only can the efficiency of the test of the new energy vehicle coaxial reducer be effectively improved, but also the contrast test can be conveniently performed. By means of the meshing of the gear ring 106 and the multiple first gears 105, the power inputted into the multiple coaxial reducers comes from the same servo motor 107. Not only can the use amount of the servo motor 107 be effectively reduced and the test cost be reduced, but also the stability and consistency of the power source during the test of the multiple coaxial reducers can be effectively guaranteed, which is beneficial to guarantee the accuracy during the test of the multiple coaxial reducers at the same time.

[0047] In the specific implementation process, Figure 7 and Figure 10As shown, the first rotary disc 101 and the second rotary disc 102 are coaxially arranged and rotationally connected with the outer frame 1, the first rotary disc 101 and the second rotary disc 102 are fixedly connected, the outer side of the first rotary shaft 104 is movably sleeved with the rotary drum 2, and the rotary drum 2 is fixedly connected with the corresponding mounting bin 103, the mounting bin 103 is rotationally connected with the first rotary disc 101 and the second rotary disc 102 through the rotary drum 2, the second rotary disc 102 is provided with a positioning hole 4 corresponding to the plurality of mounting bins 103, the outer frame 1 is slidably inserted with a positioning pin 401 corresponding to the positioning hole 4, and the positioning pin 401 is movably sleeved with a first spring 402 for elastically supporting the positioning pin 401. During use, since the first rotary disc 101 and the second rotary disc 102 connected with each other are rotationally arranged in the outer frame 1, the position of the plurality of mounting bins 103 arranged around the first rotary disc 101 and the second rotary disc 102 can be adjusted by rotating the first rotary disc 101 and the second rotary disc 102, and the plurality of mounting bins 103 can be adjusted to the front position one by one by rotating, so that the workers can install the plurality of coaxial speed reducers in the plurality of mounting bins 103 one by one.

[0048] Before controlling the rotation adjustment of the first rotary disc 101 and the second rotary disc 102, the workers need to pull the positioning pin 401 outward, and the end of the positioning pin 401 is withdrawn from the positioning hole 4 by overcoming the elastic support of the first spring 402, so as to release the locking of the rotation of the first rotary disc 101 and the second rotary disc 102. When the first rotary disc 101 and the second rotary disc 102 are rotationally adjusted to the position, the workers release the pulling of the positioning pin 401, and the end of the positioning pin 401 is inserted into the positioning hole 4 again under the elastic reset support of the first spring 402, so as to realize the rotation locking of the first rotary disc 101 and the second rotary disc 102 again. The operation is convenient, and the stability of the device during the coaxial speed reducer test process can be effectively guaranteed.

[0049] In the specific implementation process, Figure 3 , Figure 7 and Figure 10As shown, the first sprocket 201 is fixed on each rotating drum 2, the fixed shaft 202 is rotatably installed on the outer frame 1 at the central position of the second rotating disc 102, and the second sprocket 203 corresponding to the first sprocket 201 is fixed on the fixed shaft 202, and the chain 204 is sleeved and connected between the second sprocket 203 and the corresponding first sprocket 201. During use, when the first rotating disc 101 and the second rotating disc 102 are rotated and adjusted, the installation bin 103 is rotatably connected with the first rotating disc 101 and the second rotating disc 102 through the rotating drum 2, and the rotating drum 2 is rotatably connected with the fixed shaft 202 through the engagement of the teeth of the first sprocket 201, the second sprocket 203 and the chain 204. Since the fixed shaft 202 remains constant, during the rotation of the first rotating disc 101 and the second rotating disc 102, the rotating drum 2 is driven to rotate in the opposite direction by the same angle through the engagement of the teeth of the first sprocket 201, the second sprocket 203 and the chain 204, so that the installation bin 103 fixedly connected with the rotating drum 2 always maintains a stable vertical state, and the plurality of installation bins 103 will not be inclined due to the rotation of the first rotating disc 101 and the second rotating disc 102, which is beneficial to ensure the stability of the staff in installing the coaxial reducer in the installation bin 103.

[0050] In the specific implementation process, as shown in Figure 1 、 Figure 4 and Figure 6 - Figure 10 The operation table 3 is fixed on the outer frame 1 at the middle position of the front of the first rotating disc 101 and the second rotating disc 102, the mounting seat 304 is placed in each installation bin 103, the coaxial reducer is fixed in the mounting seat 304, the first connector is installed at the right end of the installation bin 103 and the mounting seat 304, the second connector is installed at the left end of the installation bin 103 and the mounting seat 304, the first guide rail 301 is fixed on the top of the operation table 3, the second guide rail 302 is fixed in the installation bin 103 and arranged longitudinally, the second guide rail 302 is correspondingly arranged with the first guide rail 301, and the sliding table 303 is slidably arranged on the second guide rail 302, and the mounting seat 304 is fixed on the sliding table 303.

[0051] The device is used, in the process of installing the coaxial reducer, the worker adjusts each installation bin 103 to the front position by rotating, in this state, the bottom of the installation bin 103 is just aligned behind the top of the operation table 3, and the second guide rail 302 is just aligned with the first guide rail 301, at this time, the worker releases the connection between the mounting seat 304 and the inside of the installation bin 103, and through the sliding of the sliding table 303 on the first guide rail 301 and the second guide rail 302, the mounting seat 304 can be slid from the inside of the installation bin 103 to the operation table 3, and then the worker firmly installs the coaxial reducer to be tested on the mounting seat 304, and connects the input shaft of the coaxial reducer with the first connector, and connects the output shaft of the coaxial reducer with the second reducer, and then the worker pushes the mounting seat 304 backward, drives the sliding table 303 to slide along the first guide rail 301 and the second guide rail 302, so that the mounting seat 304 reenters the installation bin 103, and the mounting seat 304 and the installation bin 103 are relocked, that is, the coaxial reducer to be tested can be conveniently and efficiently installed in the installation bin 103, and similarly, when the test is completed, the coaxial reducer can also be slid to the operation table 3 for dismounting operation, through the movement of the mounting seat 304, the coaxial reducer can be dismounted outside the installation bin 103, which can effectively improve the operation convenience of the device in actual use, and is helpful to improve the efficiency in the test process of the coaxial reducer of the new energy automobile.

[0052] In the specific implementation process, as shown in Figure 2 , Figure 6 and Figure 10 , the outer side of the second turntable 102 is fixed with an outer ring gear 305 arranged around, and the outer side dimension of the outer ring gear 305 is matched with the outer side dimension of the gear ring 106, the outer frame 1 slides with a shaft support 306, and the second gear 307 meshing on the outer side of the gear ring 106 rotates in the shaft support 306, the spline shaft 308 is slidably inserted into the second gear 307, and the spline shaft 308 is connected with the driving shaft of the servo motor 107, the outer frame 1 is fixed with an electric push rod 309 arranged in parallel with the spline shaft 308, and the extension end of the electric push rod 309 is fixed with the shaft support 306, and the magnetic coupler 8 is connected between the driving shaft of the servo motor 107 and the spline shaft 308, when the device is used, the worker can not only use the servo motor 107 to provide rotary power for many coaxial reducers, but also can provide power for the rotation adjustment of the first turntable 101 and the second turntable 102 during the dismounting process of the coaxial reducer, the worker only needs to switch the meshing state of the second gear 307 and the gear ring 106 and the outer ring gear 305, so as to realize flexible control of driving.

[0053] The second gear 307 is slidably arranged outside the spline shaft 308, the outside dimension of the spline shaft 308 is matched with the inside dimension of the second gear 307, and the second gear 307 will not affect the rotation of the spline shaft 308 during the sliding process of the spline shaft 308. During the disassembly process, when the servo motor 107 is used to drive the first rotating disc 101 and the second rotating disc 102 to rotate, the electric push rod 309 is energized to start, the extension end pushes the shaft frame 306 to drive the second gear 307 to move left, so that the second gear 307 is engaged with the outer gear ring 305. At this time, the servo motor 107 is energized to start, drives the spline shaft 308 to rotate, and then drives the second gear 307 to rotate, drives the second rotating disc 102 to rotate by the meshing of the second gear 307 and the outer gear ring 305, and realizes the driving of the first rotating disc 101 and the second rotating disc 102 during the rotation adjustment of the coaxial speed reducer during disassembly. When the servo motor 107 is used to provide rotary power for the coaxial speed reducer, the staff controls the extension end of the electric push rod 309 to move back to the original position, pulls the shaft frame 306 to drive the second gear 307 to move right, so that the second gear 307 is re-engaged with the gear ring 106. By the meshing of the second gear 307 and the gear ring 106, and the meshing of the gear ring 106 and the plurality of first gears 105, rotary power is provided for the plurality of first rotating shafts 104, and then rotary power is provided for the coaxial speed reducer during testing. The above structure makes the device only need to use a single servo motor 107 for power driving, which can effectively reduce the use amount of the servo motor 107, not only can improve the operation convenience, but also can effectively reduce the manufacturing cost of the device and the energy consumption during testing, realizes the green and energy-saving testing operation.

[0054] During testing, the left and right parts of the magnetic coupling 8 are respectively connected with the spline shaft 308 and the driving shaft of the servo motor 107, and the left and right parts of the magnetic coupling 8 are connected by magnetic force and rotate synchronously. When the torque borne by the magnetic coupling 8 is too large, the left and right parts of the magnetic coupling 8 will rotate relatively. By connecting the magnetic coupling 8 between the spline shaft 308 and the driving shaft of the servo motor 107, if the transmission in the coaxial speed reducer is blocked, causing the rotation of the spline shaft 308 to be stuck, the magnetic coupling 8 can interrupt the rotary driving of the servo motor 107 to the plurality of coaxial speed reducers at this time, avoiding the servo motor 107 from being stuck and burned out, realizing the protection of the servo motor 107, and being beneficial to the safety of the device during testing.

[0055] In the specific implementation process, Figure 5 , Figure 7 and Figure 9 - Figure 10As shown, the first connector comprises a first round box 5 fixedly connected with the first rotating shaft 104, and the left side of the first round box 5 is fixedly provided with a first spline barrel 501, and the inner axial position of the first round box 5 is fixedly provided with a first magnet 502, the right side of the mounting seat 304 is rotatably provided with a second spline barrel 503, the right end of the second spline barrel 503 is fixedly provided with a first spline rod 504 matched with the first spline barrel 501, the outer side of the second spline barrel 503 is movably sleeved with a second spring 505 for elastically supporting the second spline barrel 503, and the left end of the second spline barrel 503 is slidably inserted with a second spline rod 506, the second connector comprises a third spline barrel 6 rotatably mounted on the left side of the mounting seat 304, the right end of the third spline barrel 6 is slidably inserted with a third spline rod 601, the left end of the third spline barrel 6 is fixedly provided with a second round box 602, the left side of the second round box 602 is fixedly provided with a fourth spline barrel 603, the inner axial position of the second round box 602 is fixedly provided with a second magnet 604, the right end of the second rotating shaft 108 is fixedly provided with a fifth spline barrel 605, the right end of the fifth spline barrel 605 is slidably inserted with a fourth spline rod 606, the fifth spline barrel 605 is fixedly provided with a third spring 607 fixedly connected with the fourth spline rod 606, the first round box 5 and the second round box 602 are both installed with a magnetic isolation mechanism, the magnetic isolation mechanism comprises symmetrically slidably installed magnetic isolation plates 7 in the first round box 5 or the second round box 602, and a fourth spring 701 for elastically supporting the magnetic isolation plates 7, the symmetrically arranged magnetic isolation plates 7 are close to each other by the elastic support of the fourth spring 701, and shield the first magnet 502 or the second magnet 604.

[0056] In use, the worker installs the coaxial speed reducer to be tested on the mounting seat 304, and securely connects the second spline rod 506 on the input shaft of the coaxial speed reducer, and securely connects the third spline rod 601 on the output shaft of the coaxial speed reducer. When the coaxial speed reducer is not tested, the second spline barrel 503 tends to move to the left under the elastic support of the second spring 505, and the first spline rod 504 is retracted into the right end wall of the mounting seat 304. The fourth spline rod 606 is retracted into the fifth spline barrel 605 under the elastic connection of the third spring 607, so that the distance between the left and right sides of the mounting seat 304 is consistent with the distance between the first spline barrel 501 and the fifth spline barrel 605. The first spline rod 504 and the fourth spline rod 606 are made of magnetically conductive material. When not tested, the first magnet 502 and the second magnet 604 are shielded by the corresponding magnetic shielding plate 7 in the first circular box 5 and the second circular box 602. In this state, the first magnet 502 cannot be magnetically attracted to the first spline rod 504 through the magnetic shielding plate 7, and the second magnet 604 cannot be magnetically attracted to the fourth spline rod 606 through the magnetic shielding plate 7. This makes the first spline rod 504 not inserted into the first spline barrel 501, and the fourth spline rod 606 not inserted into the fourth spline barrel 603. The first connector and the second connector are in a disconnected state. With the cooperation of the first connector and the second connector, the mounting seat 304 can be smoothly moved into the mounting bin 103 and also can be smoothly taken out of the mounting seat 304, which is conducive to ensuring the smoothness of the coaxial speed reducer installed in the mounting bin 103 by the movement of the mounting seat 304.

[0057] The outer size of the first spline rod 504 is adapted to the inner size of the first spline barrel 501, the outer size of the second spline rod 506 is adapted to the inner size of the second spline barrel 503, the outer size of the third spline rod 601 is adapted to the inner size of the third spline barrel 6, and the inner size of the fourth spline barrel 603 and the fifth spline barrel 605 is adapted to the outer size of the fourth spline rod 606. The relative sliding of the second spline rod 506 and the second spline barrel 503 will not affect the synchronous rotation of the second spline rod 506 and the second spline barrel 503, and the relative sliding of the third spline rod 601 and the third spline barrel 6 will not affect the synchronous rotation of the third spline rod 601 and the third spline barrel 6.

[0058] During the test process, the first rotating shaft 104 rotates at high speed under the driving of the servo motor 107, and the first rotating shaft 104 drives the first circular box 5 to rotate at high speed, and the two symmetrical magnetic shielding plates 7 in the first circular box 5 are moved outward to remove the shielding of the first magnet 502, and the two magnetic shielding plates 7 are away from each other, and the first magnet 502 magnetically attracts the first spline rod 504 to pull the first spline rod 504 to the right, and the right end of the first spline rod 504 is inserted into the first spline barrel 501 to drive the transmission connection, and the rotating power on the first rotating shaft 104 is transmitted to the second spline barrel 503, and then transmitted to the input shaft of the coaxial speed reducer through the second spline rod 506, and after conversion by the coaxial speed reducer, the rotating power is transmitted to the third spline rod 601 from the output shaft of the coaxial speed reducer, the third spline rod 601 drives the third spline barrel 6 to rotate, and then drives the second circular box 602 to rotate, and the two symmetrical magnetic shielding plates 7 in the second circular box 602 are moved outward to remove the shielding of the second magnet 604, and the second magnet 604 magnetically attracts the fourth spline rod 606 to pull the fourth spline rod 606 to the right, and the right end of the fourth spline rod 606 is inserted into the fourth spline barrel 603, and the rotating power is transmitted to the second rotating shaft 108 through the fifth spline barrel 605, and then detected by the test sensor 109.

[0059] When the driving shaft of the servo motor 107 stops rotating, the rotation of the first circular box 5 and the second circular box 602 stops, and the magnetic shielding plates 7 are reset under the elastic reset of the fourth spring 701, so that the magnetic shielding plates 7 shield the first magnet 502 and the second magnet 604 in the first circular box 5 and the second circular box 602, and lose the magnetic attraction, and the first spline rod 504 is reset into the right side of the mounting seat 304 by the elastic reset of the second spring 505 and the third spring 607, and the fourth spline rod 606 is reset into the fifth spline barrel 605, so that the first connector and the second connector are interrupted again, and the mounting seat 304 can be smoothly taken out, effectively ensuring the stability of the device when the coaxial speed reducer is conveniently disassembled.

[0060] Specifically, the working principle and operation method of the present application are as follows:

[0061] The worker can install multiple coaxial reducers in the mounting seats 304 in the multiple mounting cavities 103 respectively, drive the first rotating shaft 104 to rotate through the meshing of the second gear 307 and the gear ring 106 and the meshing of the gear ring 106 and the multiple first gears 105, then transmit the rotating power to the input shaft of the coaxial reducer by means of the first transmission device, guide out after conversion by the output shaft, then transmit to the second rotating shaft 108 by means of the second transmission device, detect by the test sensor 109, and the multiple coaxial reducers are driven simultaneously by the unified servo motor 107, the performance of the coaxial reducer in different working environments can be tested by setting different working conditions of the coaxial reducer, when the coaxial reducer is disassembled, the multiple mounting cavities 103 can be aligned to the top of the operation table 3 one by one by driving the second rotating disc 102 to rotate by means of the servo motor 107, the mounting seats 304 are moved out from the mounting cavities 103 by means of the butt joint of the first guide rail 301 and the second guide rail 302 and the sliding of the sliding table 303, and the disassembly and assembly operation of the coaxial reducer is realized on the operation table 3 outside the mounting cavities 103, so that the efficiency of disassembly and replacement of the multiple coaxial reducers in the test process is effectively improved.

[0062] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A new energy vehicle coaxial reducer testing device, comprising an outer frame (1), characterized in that: The left and right sides of the outer frame (1) are respectively provided with a first rotating disc (101) and a second rotating disc (102), a plurality of mounting warehouses (103) are mounted between the first rotating disc (101) and the second rotating disc (102), a first rotating shaft (104) corresponding to the mounting warehouses (103) is rotatably arranged in the second rotating disc (102), and the first rotating shaft (104) extends into the corresponding mounting warehouse (103), a first gear (105) is fixed on the first rotating shaft (104), a plurality of first gears (105) are collectively sleeved with a gear ring (106) on the outer side, and the gear ring (106) is engaged with the first gear (105), a servo motor (107) is mounted on the outer frame (1), a second rotating shaft (108) corresponding to the mounting warehouses (103) is rotatably arranged in the first rotating disc (101), and the second rotating shaft (108) extends into the corresponding mounting warehouse (103), a test sensor (109) corresponding to the second rotating shaft (108) is fixed in the first rotating disc (101), a plurality of coaxial reducers to be tested are mounted in the mounting warehouses (103), an input shaft of the coaxial reducer is connected with the first rotating shaft (104), and an output shaft of the coaxial reducer is connected with the second rotating shaft (108). The first rotating disc (101) and the second rotating disc (102) are coaxially arranged and rotatably connected with the outer frame (1), and the first rotating disc (101) and the second rotating disc (102) are fixedly connected, a rotating drum (2) is movably sleeved on the outer side of the first rotating shaft (104), and the rotating drum (2) is fixedly connected with the corresponding mounting warehouse (103), and the mounting warehouse (103) is rotatably connected with the first rotating disc (101) and the second rotating disc (102) through the rotating drum (2).

2. The testing device for a coaxial reducer of a new energy vehicle according to claim 1, characterized in that: A first sprocket (201) is fixed on each rotating drum (2), a fixed shaft (202) is fixed on the outer frame (1) and rotatably arranged at the axial center position of the second rotating disc (102), a second sprocket (203) corresponding to the first sprocket (201) is fixed on the fixed shaft (202), and a chain (204) is transmissionally sleeved between the second sprocket (203) and the corresponding first sprocket (201).

3. The testing device for a coaxial reducer of a new energy vehicle according to claim 1, characterized in that: An operation table (3) is fixed on the outer frame (1) and located at the middle position of the front of the first rotating disc (101) and the second rotating disc (102), an installation seat (304) is placed in each mounting warehouse (103), the coaxial reducer is fixed in the installation seat (304), a first connector is mounted at the right end of the mounting warehouse (103) and the installation seat (304), and a second connector is mounted at the left end of the mounting warehouse (103) and the installation seat (304).

4. The new energy vehicle coaxial reducer testing device according to claim 3, characterized in that: The top of the operation platform (3) is fixed with a first guide rail (301) arranged longitudinally, the mounting bin (103) is fixed with a second guide rail (302) arranged longitudinally, and the second guide rail (302) is arranged correspondingly with the first guide rail (301), the second guide rail (302) is slidably provided with a sliding table (303), and the mounting seat (304) is fixed on the sliding table (303).

5. The testing device for a coaxial reducer of a new energy vehicle according to claim 1, characterized in that: The outer side of the second rotating disc (102) is fixed with an outer ring gear (305) arranged around, and the outer side dimension of the outer ring gear (305) is matched with the outer side dimension of the gear ring (106), the outer frame (1) is slidably provided with a shaft support (306), and the second gear (307) engaged with the outer side of the gear ring (106) is rotatably arranged in the shaft support (306), the spline shaft (308) is slidably inserted into the second gear (307), and the spline shaft (308) is connected with the driving shaft of the servo motor (107), the outer frame (1) is fixed with an electric push rod (309) arranged in parallel with the spline shaft (308), and the telescopic end of the electric push rod (309) is fixed with the shaft support (306).

6. The testing device for a coaxial reducer of a new energy vehicle according to claim 1, characterized in that: A plurality of positioning holes (4) corresponding to the mounting bins (103) are formed in the second rotating disc (102), the outer frame (1) is slidably inserted with a positioning pin (401) arranged correspondingly with the positioning hole (4), and the positioning pin (401) is movably sleeved with a first spring (402) for elastically supporting the positioning pin (401).

7. The testing device for a coaxial reducer of a new energy vehicle according to claim 3, characterized in that: The first connector comprises a first circular box (5) fixedly connected with the first rotating shaft (104), and the left side of the first circular box (5) is fixed with a first spline barrel (501), the first circular box (5) is fixed with a first magnet (502) at the axial position, the right side of the mounting seat (304) is rotatably provided with a second spline barrel (503), and the right end of the second spline barrel (503) is fixed with a first spline rod (504) matched with the first spline barrel (501), the outer side of the second spline barrel (503) is movably sleeved with a second spring (505) for elastically supporting the second spline barrel (503), and the left end of the second spline barrel (503) is slidably inserted with a second spline rod (506), the second connector comprises a third spline barrel (6) rotatably mounted on the left side of the mounting seat (304), and the right end of the third spline barrel (6) is slidably inserted with a third spline rod (601), the left end of the third spline barrel (6) is fixed with a second circular box (602), and the left side of the second circular box (602) is fixed with a fourth spline barrel (603), the second circular box (602) is fixed with a second magnet (604) at the axial position, the right end of the second rotating shaft (108) is fixed with a fifth spline barrel (605), and the right end of the fifth spline barrel (605) is slidably inserted with a fourth spline rod (606), and the fifth spline barrel (605) is fixedly connected with a third spring (607) fixedly connected with the fourth spline rod (606).

8. The testing device for a coaxial reducer of a new energy vehicle according to claim 7, characterized in that: The first circular box (5) and the second circular box (602) are provided with magnetic isolation mechanisms, and the magnetic isolation mechanism comprises a magnetic isolation plate (7) symmetrically and slidingly arranged in the first circular box (5) or the second circular box (602), and a fourth spring (701) for elastically supporting the magnetic isolation plate (7), and the symmetrically arranged magnetic isolation plates (7) are elastically supported by the fourth spring (701) and closed to each other, and shield the first magnet (502) or the second magnet (604).

9. The testing device for a coaxial reducer of a new energy vehicle according to claim 5, characterized in that: The driving shaft of the servo motor (107) and the spline shaft (308) are connected with a magnetic coupling (8).

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