CN215004269U - Transmission test bench - Google Patents
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- CN215004269U CN215004269U CN202121615094.5U CN202121615094U CN215004269U CN 215004269 U CN215004269 U CN 215004269U CN 202121615094 U CN202121615094 U CN 202121615094U CN 215004269 U CN215004269 U CN 215004269U
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Abstract
The utility model discloses a transmission test bench, which comprises a bottom plate, wherein a driving assembly and a loading assembly are arranged on the bottom plate; the driving assembly and the loading assembly are integrally arranged on the bottom plate through the driving base and the loading base respectively; the driving base is also provided with a transmission bracket for fixing a transmission to be tested, the transmission bracket comprises a transverse plate and a vertical plate, the transverse plate is arranged on the driving base, the vertical plate is vertically arranged, and the middle part of the vertical plate is provided with a positioning hole which is coaxial with the angular displacement sensor at the driving end; threaded holes are uniformly distributed in the vertical plate along the circumferential direction of the positioning holes, a transmission mounting plate is mounted through bolts, threaded holes matched with a transmission to be tested are formed in the transmission mounting plate, and communicating holes penetrating the vertical plate are formed in the middle of the transmission mounting plate. The utility model has the advantages of can adapt to the experimental demand of multiple derailleur, it is experimental with the transmission error to accomplish the gear contact spot simultaneously, is favorable to reducing test cost.
Description
Technical Field
The utility model relates to a derailleur test technical field, very much relate to a derailleur test bench.
Background
The transmission is an important part of an automobile, can change the transmission ratio, and expand the variation range of the torque and the rotating speed of a driving wheel so as to adapt to the frequently-changed running condition, and meanwhile, the engine can work under the favorable working condition (high power and low oil consumption). Transmission trouble direct influence people are experienced to the driving of car, and the derailleur trouble can make whole car inoperative, can cause the incident even seriously.
The gear contact spot of derailleur direct relation to the life of derailleur, and the transmission error of derailleur can influence transmission stability etc. need carry out gear contact spot test and transmission error test to the derailleur, and at present, gear contact spot test and transmission error test adopt different test benches respectively to test. Meanwhile, due to the fact that the sizes of the transmissions on different vehicle types are different, different mounting racks designed for different transmissions need to be considered, and therefore test cost is increased.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a can adapt to the experimental demand of multiple derailleur, accomplish gear contact spot test and transmission error test simultaneously, be favorable to reducing the derailleur test bench of test cost.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the transmission test bench is characterized by comprising a rectangular bottom plate, wherein a driving assembly for driving a transmission to be tested and a loading assembly for applying load to the transmission to be tested are arranged on the bottom plate; the driving assembly comprises a driving motor, a driving speed reducer, a driving torque sensor and a driving end angular displacement sensor which are coaxially connected in sequence; the loading assembly comprises a loading motor, a loading speed reducer, a loading torque sensor and a loading end angle sensor which are coaxially connected in sequence; the driving assembly and the loading assembly are integrally installed on the bottom plate through a driving base and a loading base respectively; the driving base is also provided with a transmission bracket for fixing a transmission to be tested, the transmission bracket comprises a transverse plate and a vertical plate, the transverse plate is arranged on the driving base, the vertical plate is vertically arranged, and the middle part of the vertical plate is provided with a positioning hole which is coaxial with the angular displacement sensor of the driving end; threaded holes are uniformly distributed in the vertical plate along the circumferential direction of the positioning holes, a transmission mounting plate is mounted through bolts, threaded holes matched with a transmission to be tested are formed in the transmission mounting plate, and communicating holes penetrating the transmission mounting plate are formed in the middle of the transmission mounting plate.
During testing, the transmission to be tested is installed on the transmission installation plate, the output end of the transmission to be tested is coaxially connected with the input end of the loading assembly, the loading motor is used for applying load, and the transmission to be tested is driven to rotate through the driving motor to carry out testing. Because the input end and the output end of the transmission to be tested are respectively provided with the driving torque sensor, the loading torque sensor, the driving end angular displacement sensor and the loading end angular displacement sensor, a contact spot test and a transmission error test can be completed. In addition, the to-be-tested speed changer is installed on the vertical plate through the speed changer installation plate, and for to-be-tested speed changers of different models, the vertical plate can be adapted through changing different speed changer installation plates, so that the whole replacement of the speed changer support is avoided, and the test cost is reduced under the condition of meeting the test requirements of various speed changers.
Furthermore, a driving bearing sleeve is mounted on a positioning hole of the vertical plate, and the outer diameter of the driving bearing sleeve is consistent with the inner diameter of the positioning hole; a driving shaft is rotatably arranged in the driving bearing sleeve through a bearing, one end of the driving shaft is coaxially connected with the driving torque sensor, and an output spline sleeve used for being connected with a transmission to be tested is coaxially arranged at the other end of the driving shaft.
Therefore, the output spline sleeve which is coaxially installed is connected with the transmission to be tested, and for transmissions of different models, only the output spline sleeve and the transmission mounting plate need to be replaced. Simultaneously, the drive shaft and the drive torque sensor are coaxially connected through the drive bearing sleeve arranged on the positioning hole, so that all parts of the drive assembly are always coaxially connected, the disassembly and the assembly after each test are not needed, and the improvement of the test efficiency is facilitated.
Furthermore, one end of the driving bearing sleeve, which is far away from the driving torque sensor, extends outwards in the radial direction to form a flange, and is fixedly installed on the vertical plate through bolts; the diameter of the flange of the drive bearing sleeve is consistent with the inner diameter of the communication hole of the speed changer mounting plate.
Thus, the coaxial precision between the flange of the driving bearing sleeve and the communicating hole of the speed changer mounting plate can be ensured by matching the flange of the driving bearing sleeve and the communicating hole of the speed changer mounting plate.
Further, a conical guide part is arranged on the flange of the driving bearing sleeve; one end of the communicating hole of the speed changer mounting plate, which faces the vertical plate, is provided with a positioning boss which protrudes inwards, and the inner diameter of the positioning boss is consistent with the diameter of the flange of the driving bearing sleeve.
In this way, the transmission mounting plate can be mounted on the upright plate in a more satisfactory manner by the guide portion on the flange. In addition, the positioning boss is arranged on the communicating hole of the transmission mounting plate, the matching precision of the positioning boss and the flange can be ensured only by improving the processing precision of the positioning boss, the processing precision of the whole communicating hole is not required to be improved, and the processing cost is favorably reduced.
Furthermore, one end of the driving bearing sleeve, which is far away from the driving torque sensor, protrudes inwards along the radial direction to form a first limiting boss, and the other end of the driving bearing sleeve is provided with a first clamp spring groove; one end of the driving shaft, facing the driving torque sensor, protrudes outwards along the radial direction to form a second limiting boss, and the other end of the driving shaft is provided with a second clamp spring groove; the driving shaft is sleeved with two bearings and a spacer bush, and the spacer bush is abutted between the two bearings; an inner clamp spring is mounted on the first clamp spring groove, and an outer clamp spring is mounted on the second clamp spring groove; the inner rings of the two bearings are arranged on the driving shaft through the outer snap spring and the second limiting boss, and the outer ring of the two bearings is arranged on the driving bearing sleeve through the inner snap spring and the first limiting boss.
Furthermore, the angular displacement sensor at the driving end is a circular grating, one end of the driving shaft, which faces the driving torque sensor, is provided with a mounting boss, the mounting boss is positioned outside the driving bearing sleeve, and one side of the mounting boss is flush with the driving bearing sleeve; the round grating is sleeved on the mounting boss, and reading heads of the round grating are symmetrically mounted on the driving bearing sleeve.
Furthermore, the loading assembly further comprises a loading shaft support, the loading shaft support comprises a support plate vertically installed on the loading base, a bearing hole coaxially arranged with the loading torque sensor is formed in the support plate, a loading bearing sleeve is installed in the bearing hole, a loading shaft is installed on the loading bearing sleeve through a bearing, one end of the loading shaft is coaxially connected with the loading torque sensor, and a loading spline sleeve used for being connected with a transmission to be tested is coaxially installed at the other end of the loading shaft.
Furthermore, one end of the loading shaft, which faces the loading torque sensor, is provided with a mounting boss, the mounting boss is positioned outside the loading bearing sleeve, and one side of the mounting boss is flush with the loading bearing sleeve; the loading end angle sensor is a circular grating, the circular grating is sleeved on the mounting boss, and reading heads of the circular grating are symmetrically mounted on the loading bearing sleeve.
Furthermore, a limit ring is coaxially sleeved in the bearing hole, and a taper hole arranged towards the loading torque sensor is formed in the limit ring; the loading bearing sleeve is provided with a conical surface which corresponds to the conical hole and is coaxially matched in the conical hole of the limiting ring; the loading bearing sleeve is arranged on the support plate through spring pieces which are uniformly distributed along the circumferential direction; and a bearing is arranged between the loading bearing sleeve and the loading shaft.
To sum up, the utility model has the advantages of can adapt to the experimental demand of multiple derailleur, accomplish the gear contact spot simultaneously experimental and transmission error is experimental, be favorable to reducing test cost.
Drawings
Fig. 1 to 3 are schematic structural views of the present embodiment.
Fig. 4 is an enlarged schematic structural view of the first linear driving mechanism in fig. 1.
Fig. 5 is an enlarged schematic structural view of the second linear driving mechanism in fig. 2.
Fig. 6 is a schematic sectional view of the present invention.
Fig. 7 and 8 are enlarged schematic views of the structure of fig. 6 at the circle.
Fig. 9 is a schematic structural view of a loading shaft bracket.
Fig. 10 and 11 are schematic structural views of the transmission carrier.
Detailed Description
The following is combined with an adoption of the utility model discloses the gear experiment test bench of structure is right the utility model discloses do further detailed description.
In the specific implementation: as shown in fig. 1 to 11, a transmission gear test bed comprises a rectangular bottom plate 1, a driving component 2 for driving a transmission case to be tested, and a loading component 3 for applying a load to the transmission case to be tested, wherein the driving component 2 and the loading component 3 are integrally installed on the bottom plate 1 through a driving base 4 and a loading base 5 respectively.
The driving assembly 2 comprises a driving motor 21, a driving speed reducer 22, a driving torque sensor 23 and a driving end angular displacement sensor 26 which are coaxially connected in sequence; the driving speed reducer 22 and the driving torque sensor 23 are respectively installed on the driving base 4 through a support, and the driving motor 21 is fixedly installed at the input end of the driving speed reducer 22; the output end of the driving speed reducer 22 is connected with the driving torque sensor 23 through a flange; and the driving base 4 is also provided with a transmission bracket 8 for fixing a transmission to be tested.
The loading assembly 3 comprises a loading motor 31, a loading speed reducer 32, a loading torque sensor 33 and a loading end angle sensor 35 which are coaxially connected in sequence; the loading speed reducer 32 and the loading torque sensor 33 are respectively installed on the loading base 5 through supports, the loading motor 31 is fixedly installed at the input end of the loading speed reducer 32, and the output end of the loading speed reducer 32 is connected with the loading torque sensor 33 through a flange.
The driving motor 21 and the loading motor 31 are both servo motors; the drive reducer 22 and the load reducer 32 are both planetary gear reducers. The driving reducer 22 and the driving torque sensor 23 are covered with a first protective cover 25, and the loading reducer 32 and the loading torque sensor 33 are covered with a second protective cover 34.
The surface of the bottom plate 1 is divided into a longitudinal adjusting area and a transverse adjusting area along the length direction, the longitudinal adjusting area is provided with a plurality of longitudinal T-shaped grooves 11 arranged along the length direction and a first linear driving mechanism 6, and the transverse adjusting area is provided with a plurality of transverse T-shaped grooves 12 arranged along the width direction and a second linear driving mechanism 7; the driving base 4 is arranged on a longitudinal T-shaped groove 11 through a bolt and is connected with the driving end of the first linear driving mechanism 6; the loading base 5 is mounted on the transverse T-shaped groove 12 by bolts and is connected with the driving end of the second linear driving mechanism 7.
As shown in fig. 3 and 4, the first linear driving mechanism 6 includes a first lead screw 61 horizontally disposed along the longitudinal T-shaped groove 11, and a first yielding hole corresponding to the first lead screw 61 is penetratingly disposed on the driving base 4; a first lead screw nut 62 is arranged on the first lead screw 61 in a matching manner, and the first lead screw nut 62 is fixedly arranged on the first abdicating hole; one end of the first lead screw 61 is rotatably mounted on the base plate 1 through a bearing seat and is connected with an adjusting motor 63. The output end of the adjusting motor 63 is provided with a small planetary reducer 64, the small planetary reducer 64 is arranged on the bottom plate 1 through a motor mounting seat 65, and the output end of the small planetary reducer 64 is connected with the first lead screw 61.
In order to adjust the moving distance of the driving base 4 more precisely, the bottom plate 1 is provided with a graduated scale 13 arranged along the longitudinal T-shaped groove 11, the graduated scale 13 is close to the driving base 4, and the driving base 4 is provided with a scale pointer 14 arranged towards the graduated scale 13.
As shown in fig. 1 and 5, the second linear driving mechanism 7 includes a second lead screw 71 horizontally disposed along the transverse T-shaped groove 12, and a second yielding hole corresponding to the second lead screw 71 is penetratingly disposed on the loading base 5; a second lead screw nut 72 is arranged on the second lead screw 71 in a matched manner, and the second lead screw nut 72 is fixedly installed on the second abdicating hole; one end of the second lead screw 71 is rotatably mounted on the base plate 1 through a bearing seat, and a hand wheel 73 is mounted on the second lead screw.
The bearing seat of the second lead screw 71 is installed on the base 1 through a supporting seat 74, a supporting block is installed on one side, facing the hand wheel 73, of the supporting seat 74, a display installation plate is formed by upward extending the position, facing away from the supporting seat 74, of the supporting block, a through hole for the second lead screw 71 to pass through is formed in the middle of the display installation plate, a position display 75 is installed on the display installation plate, and the position display 75 is coaxially connected with the second lead screw 71.
In order to prevent the first lead screw nut 62 and the second lead screw nut 72 from falling off from the first lead screw 61 and the second lead screw 71, respectively, lead screw nut limiting rings are mounted at the ends of the first lead screw 61 and the second lead screw 71.
In addition, as shown in fig. 10 and 11, the transmission bracket 8 includes a horizontal plate 81 mounted on the driving base 4 and a vertical plate 82 vertically disposed, and a positioning hole coaxially disposed with the driving end angular displacement sensor 26 is formed in the middle of the vertical plate 82; threaded holes are uniformly distributed in the vertical plate 82 along the circumferential direction of the positioning hole, a transmission mounting plate 83 is mounted through bolts, the transmission mounting plate 83 is provided with threaded holes matched with a transmission to be detected, and the middle of the transmission mounting plate is provided with a communicating hole which is communicated with the transmission to be detected.
As shown in fig. 7, a driving bearing sleeve 84 is mounted on the positioning hole of the vertical plate 82, an outer diameter of the driving bearing sleeve is consistent with an inner diameter of the positioning hole, and one end of the driving bearing sleeve 84, which is away from the driving torque sensor 23, extends outward in a radial direction to form a flange and is fixedly mounted on the vertical plate 82 through a bolt; the flange of the drive bearing housing 84 has a diameter corresponding to the inner diameter of the communication hole of the transmission mounting plate 83. The flange of the driving bearing sleeve 84 is provided with a conical guide part; one end of the communication hole of the transmission mounting plate 83 facing the vertical plate 82 is provided with a positioning boss which is formed by protruding inwards, and the inner diameter of the positioning boss is consistent with the diameter of the flange of the drive bearing sleeve 84.
The driving shaft 27 is rotatably installed in the driving bearing sleeve 84 through a bearing, one end of the driving shaft 27 is coaxially connected with the driving torque sensor 23, and the other end of the driving shaft 27 is coaxially installed with an output spline sleeve 28 used for being connected with a transmission to be tested.
One end of the driving bearing sleeve 84, which is far away from the driving torque sensor 23, protrudes inwards along the radial direction to form a first limiting boss, and the other end of the driving bearing sleeve is provided with a first clamp spring groove; one end of the driving shaft 27 facing the driving torque sensor 23 protrudes outwards in the radial direction to form a second limiting boss, and the other end of the driving shaft 27 is provided with a second clamp spring groove; the driving shaft 27 is sleeved with two bearings and a spacer 29, and the spacer 29 abuts between the two bearings; an inner clamp spring is mounted on the first clamp spring groove, and an outer clamp spring is mounted on the second clamp spring groove; the inner rings of the two bearings are arranged on the driving shaft 27 through the outer snap spring and the second limiting boss, and the outer rings of the two bearings are arranged on the driving bearing sleeve 84 through the inner snap spring and the first limiting boss. The driving end angular displacement sensor 26 is a circular grating, and one end of the driving shaft 27 facing the driving torque sensor 23 is provided with a mounting boss which is positioned outside the driving bearing sleeve 84, and one side of the mounting boss is flush with the driving bearing sleeve 84; the circular grating is sleeved on the mounting boss, and reading heads of the circular grating are symmetrically mounted on the driving bearing sleeve 84.
As shown in fig. 8 and 9, the loading assembly 3 further includes a loading shaft bracket 9, the loading shaft bracket 9 includes a support plate 91 vertically mounted on the loading base 5, the support plate 91 has a bearing hole coaxially disposed with the loading torque sensor 33, a loading bearing sleeve 94 is mounted in the bearing hole, the loading bearing sleeve 94 is mounted with a loading shaft 92 through a bearing, one end of the loading shaft 92 is coaxially connected with the loading torque sensor 33, and the other end is coaxially mounted with a loading spline sleeve 93 for connecting with a transmission to be tested. The end of the loading shaft 92 facing the loading torque sensor 33 is provided with a mounting boss which is positioned outside the loading bearing sleeve 94 and is flush with the loading bearing sleeve 94 on one side; the loading end angle sensor 35 is a circular grating, the circular grating is sleeved on the mounting boss, and reading heads of the circular grating are symmetrically mounted on the loading bearing sleeve 94. A limiting ring 95 is coaxially sleeved in the bearing hole, and a taper hole arranged towards the loading torque sensor 33 is formed in the limiting ring 95; the loading bearing sleeve 94 is provided with a conical surface corresponding to the conical hole and is coaxially matched in the conical hole of the limiting ring 95; the loading bearing sleeve 94 is arranged on the support plate 91 through spring pieces 96 uniformly distributed along the circumferential direction; a bearing is disposed between the loading bearing sleeve 94 and the loading shaft 92.
Use the utility model discloses a before derailleur gear test bench carries out contact spot test or transmission error test, adopt the derailleur that awaits measuring of following step installation, install the derailleur that awaits measuring on derailleur support 8 earlier, link to each other the input of derailleur that awaits measuring with the output of drive torque sensor 23 through the shaft coupling. Loosening the fixing bolts among the driving base, the loading base and the bottom plate, and driving the second screw rod to rotate by using the hand wheel 73, so that the loading base moves along the transverse T-shaped groove, and the input shaft of the loading assembly is initially coaxial with the output shaft of the transmission to be tested; and the adjusting motor is utilized to drive the first lead screw to rotate, so that the driving base moves along the longitudinal T-shaped groove, and the output shaft of the transmission to be tested is close to the input shaft of the loading assembly. Finally, the hand wheel 73 is matched with the position display 75, and the adjusting motor is matched with the scale pointer 14 and the graduated scale 13, so that accurate coaxial adjustment is carried out, and finally the transmission is installed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The transmission test bench is characterized by comprising a rectangular base plate (1), wherein a driving component (2) for driving a transmission to be tested and a loading component (3) for applying load to the transmission to be tested are mounted on the base plate (1); the driving assembly (2) comprises a driving motor (21), a driving speed reducer (22), a driving torque sensor (23) and a driving end angular displacement sensor (26) which are coaxially connected in sequence; the loading assembly (3) comprises a loading motor (31), a loading speed reducer (32), a loading torque sensor (33) and a loading end angle sensor (35) which are coaxially connected in sequence; the driving assembly (2) and the loading assembly (3) are integrally installed on the bottom plate (1) through a driving base (4) and a loading base (5) respectively; the driving base (4) is further provided with a transmission support (8) for fixing a transmission to be tested, the transmission support (8) comprises a transverse plate (81) and a vertical plate (82), the transverse plate is installed on the driving base (4), the vertical plate (82) is vertically arranged, and the middle of the vertical plate (82) is provided with a positioning hole which is coaxially arranged with the driving-end angular displacement sensor (26); threaded holes are uniformly distributed in the vertical plate (82) along the circumferential direction of the positioning holes, a transmission mounting plate (83) is mounted through bolts, threaded holes matched with a transmission to be tested are formed in the transmission mounting plate (83), and a communicating hole penetrating through the transmission is formed in the middle of the transmission mounting plate.
2. The transmission test bench of claim 1, wherein a drive bearing sleeve (84) is mounted on the positioning hole of the vertical plate (82), and the outer diameter of the drive bearing sleeve is consistent with the inner diameter of the positioning hole; a driving shaft (27) is rotatably installed in the driving bearing sleeve (84) through a bearing, one end of the driving shaft (27) is coaxially connected with the driving torque sensor (23), and an output spline sleeve (28) used for being connected with a transmission to be tested is coaxially installed at the other end of the driving shaft.
3. The transmission test bench of claim 2, wherein one end of the driving bearing sleeve (84) facing away from the driving torque sensor (23) extends outwards in a radial direction to form a flange and is fixedly installed on the vertical plate (82) through bolts; the diameter of the flange of the drive bearing sleeve (84) is consistent with the inner diameter of the communication hole of the transmission mounting plate (83).
4. A transmission test stand according to claim 3, in which the flange of the drive bearing sleeve (84) has a tapered guide thereon; one end of the communicating hole of the speed changer mounting plate (83) facing the vertical plate (82) is provided with a positioning boss which is formed by inward protrusion, and the inner diameter of the positioning boss is consistent with the diameter of the flange of the driving bearing sleeve (84).
5. The transmission test bench of claim 2, wherein one end of the driving bearing sleeve (84) facing away from the driving torque sensor (23) is formed with a first limit boss protruding radially inward, and the other end is provided with a first snap spring groove; one end of the driving shaft (27) facing the driving torque sensor (23) protrudes outwards along the radial direction to form a second limiting boss, and the other end of the driving shaft is provided with a second clamp spring groove; the driving shaft (27) is sleeved with two bearings and a spacer bush (29), and the spacer bush (29) is abutted between the two bearings; an inner clamp spring is mounted on the first clamp spring groove, and an outer clamp spring is mounted on the second clamp spring groove; the inner rings of the two bearings are arranged on the driving shaft (27) through the outer snap spring and the second limiting boss, and the outer rings of the two bearings are arranged on the driving bearing sleeve (84) through the inner snap spring and the first limiting boss.
6. The transmission test stand of claim 2, wherein the drive-end angular displacement sensor (26) is a circular grating, and the end of the drive shaft (27) facing the drive torque sensor (23) has a mounting boss located outside the drive bearing housing (84) and flush with the drive bearing housing (84) on one side; the round grating is sleeved on the mounting boss, and reading heads of the round grating are symmetrically mounted on the driving bearing sleeve (84).
7. The transmission test bench of claim 1, wherein the loading assembly (3) further comprises a loading shaft bracket (9), the loading shaft bracket (9) comprises a support plate (91) vertically mounted on the loading base (5), the support plate (91) is provided with a bearing hole coaxially arranged with the loading torque sensor (33), a loading bearing sleeve (94) is mounted in the bearing hole, the loading bearing sleeve (94) is provided with a loading shaft (92) through a bearing, one end of the loading shaft (92) is coaxially connected with the loading torque sensor (33), and the other end of the loading shaft (92) is coaxially provided with a loading spline sleeve (93) used for being connected with a transmission to be tested.
8. The transmission test stand of claim 7, wherein an end of the loading shaft (92) facing the loading torque sensor (33) has a mounting boss located outside the loading bearing housing (94) and flush on one side with the loading bearing housing (94); the loading end angle sensor (35) is a circular grating, the circular grating is sleeved on the mounting boss, and reading heads of the circular grating are symmetrically mounted on the loading bearing sleeve (94).
9. The transmission test bench of claim 8, wherein a limit ring (95) is coaxially sleeved in the bearing hole, and the limit ring (95) is provided with a taper hole facing the loading torque sensor (33); the loading bearing sleeve (94) is provided with a conical surface which is arranged corresponding to the conical hole and is coaxially matched in the conical hole of the limiting ring (95); the loading bearing sleeve (94) is arranged on the support plate (91) through spring pieces (96) which are uniformly distributed along the circumferential direction; a bearing is arranged between the loading bearing sleeve (94) and the loading shaft (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121615094.5U CN215004269U (en) | 2021-07-14 | 2021-07-14 | Transmission test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121615094.5U CN215004269U (en) | 2021-07-14 | 2021-07-14 | Transmission test bench |
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| Publication Number | Publication Date |
|---|---|
| CN215004269U true CN215004269U (en) | 2021-12-03 |
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| CN202121615094.5U Active CN215004269U (en) | 2021-07-14 | 2021-07-14 | Transmission test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
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2021
- 2021-07-14 CN CN202121615094.5U patent/CN215004269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607766A (en) * | 2022-05-12 | 2022-06-10 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
| CN114607766B (en) * | 2022-05-12 | 2022-07-12 | 成都工业学院 | Apparatus for determining failure of automatic transmission |
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