CN115077895A - Testing device for vehicle transmission mechanism - Google Patents
Testing device for vehicle transmission mechanism Download PDFInfo
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- CN115077895A CN115077895A CN202210989795.8A CN202210989795A CN115077895A CN 115077895 A CN115077895 A CN 115077895A CN 202210989795 A CN202210989795 A CN 202210989795A CN 115077895 A CN115077895 A CN 115077895A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a testing device of a vehicle transmission mechanism, which relates to the technical field of testing devices and comprises a workbench, wherein a first supporting plate is arranged in the middle of the top of the workbench; an input shaft is arranged above the first supporting plate; a motor is arranged on the rear side above the first supporting plate; and a locking clutch sleeve is arranged on the input shaft. According to the invention, the locking clutch sleeve can be intermittently in meshing transmission with the second driving gear, and the gear transmission of the locking clutch sleeve is detected by using the gear smoothness detector, so that the trouble of pushing and detecting the locking clutch sleeve manually is avoided, the operation steps of the equipment are simplified, the detection efficiency is further improved, and the problems that the locking clutch sleeve needs to be pushed manually and transmission detection is carried out on the driving gear of the input shaft, the operation is complicated, labor is wasted, the power rotation action of the input shaft and the pushing action of the locking clutch sleeve need to be carried out in a step-by-step manner, and the detection efficiency of the device is poor are solved.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a testing device for a vehicle transmission mechanism.
Background
The automobile transmission is an important component of an automobile transmission system, and the operational performance, the transmission performance and the safety performance of the automobile transmission directly affect the overall performance of the automobile and are related to the quality of the whole automobile. The great amount of equipment of the speed changer on the automobile necessarily puts an urgent demand on the performance detection of the speed changer in the fields of design and manufacture, maintenance detection, teaching and the like, and the corresponding professional detection equipment is required to be equipped.
However, as for the conventional testing device at present, the locking clutch sleeve is required to be manually pushed to be in transmission detection with the driving gear of the input shaft, the operation is complicated, labor is wasted, the power rotation action of the input shaft and the pushing action of the locking clutch sleeve are required to be matched and carried out step by step, the detection efficiency of the device is poor, the matching degree of the driving gear of the input shaft and the meshing transmission of the output gear is required to be detected by a handheld vibration sensor, and the use is troublesome.
Disclosure of Invention
In view of the above, the invention provides a testing device for a vehicle transmission mechanism, wherein a locking clutch sleeve can be intermittently in meshing transmission with a second driving gear, and the gear transmission of the locking clutch sleeve is detected by using a gear smoothness detector, so that the trouble of pushing and detecting the locking clutch sleeve manually is eliminated, the operation steps of equipment are simplified, and the detection efficiency is further improved; and the power rotating action of the input shaft and the pushing action of the locking clutch sleeve can share one motor for driving, so that a driving motor is not additionally arranged for the locking clutch sleeve, and the weight reduction and the cost reduction of the device are facilitated.
The invention provides a testing device for a vehicle transmission mechanism, which specifically comprises: the middle position of the top of the workbench is provided with a first supporting plate; an input shaft is arranged above the first supporting plate; a motor is arranged on the rear side above the first supporting plate; the input shaft is provided with a locking clutch sleeve; two transmission assemblies are arranged on the front side above the first supporting plate and are symmetrically distributed; a second supporting plate is arranged on the left side of the top of the workbench; connecting plates are arranged on the front side and the rear side above the second supporting plate, and the two connecting plates are symmetrically distributed; an output gear is arranged above the second supporting plate, and output shafts are arranged on the front side and the rear side of the output gear; and a bearing sleeve is rotatably arranged on the output shaft.
Optionally, a mounting seat is arranged on the right side of the top of the workbench, a gear smoothness detector is arranged on the left side of the mounting seat and corresponds to the locking clutch sleeve, and a controller is arranged on the top of the workbench and is located in front of the mounting seat.
Optionally, two bearing frames are arranged at the top of the first supporting plate, the input shaft is rotatably mounted between the two bearing frames, a bearing seat is arranged on the front side of the top of the first supporting plate, and two transmission assemblies are arranged on the bearing seat.
Optionally, a first driving gear is arranged on the input shaft and meshed with the output gear, a second driving gear is arranged on the input shaft, an input shaft spline is arranged on the input shaft, a locking clutch sleeve is slidably mounted on the input shaft spline and matched with the second driving gear, and a driving bevel gear is arranged at the front end of the input shaft.
Optionally, the motor front side is equipped with the mount, and the mount is connected with the rear bearing frame through the bolt, and the driving shaft is installed in the motor front side rotation, and the driving shaft is connected with the input shaft rear end.
Optionally, the front end of the locking clutch sleeve is provided with a limiting snap ring, the front side of the locking clutch sleeve is provided with a connecting sleeve, the locking clutch sleeve is rotatably connected with the connecting sleeve through the limiting snap ring, the rear side of the connecting sleeve is provided with an extension spring, the extension spring is sleeved on the input shaft, and the extension spring is connected with the front bearing frame.
Optionally, the transmission assembly includes a rotating disc, a rotating shaft, driven bevel gears, a pull rod and a guide rail frame, the two rotating discs are symmetrically distributed, a protruding shaft is arranged on the outer side of the rotating disc, a rotating shaft is arranged on the inner side of the rotating disc, the rotating shaft is rotatably connected with the bearing seat, the driven bevel gears are arranged on the opposite end portions of the two rotating shafts, the driven bevel gears are meshed with the driving bevel gear, the two pull rods are distributed in a left-right parallel mode, the rear ends of the pull rods are connected with the connecting sleeve, the guide rail frame is arranged at the front end of the pull rod, and the protruding shaft of the rotating disc is slidably mounted in the guide rail frame.
Optionally, two mounting sleeves are arranged at the top of the second supporting plate and are symmetrically distributed, the mounting sleeves are of a U-shaped frame structure, the connecting plate is fixedly mounted at the left end of the mounting sleeves, and limiting grooves are formed in the opposite inner sides of two transverse plates of the mounting sleeves.
Optionally, a vibration sensor is arranged in the middle of the connecting plate, a connecting feeler lever is arranged on one side of the vibration sensor, the connecting feeler lever penetrates through the connecting plate, and the end of the connecting feeler lever is in contact with the bearing sleeve.
Optionally, both ends are equipped with the stopper about the bearing external member, and the bearing external member passes through the spacing groove sliding connection of stopper and installation cover, and the bearing external member left and right sides all is equipped with two spacing round bars, and the cover is equipped with compression spring on the spacing round bar, and spacing round bar runs through connecting plate and installation cover riser respectively, and compression spring supports between bearing external member and connecting plate and installation cover riser.
Advantageous effects
1. The testing device provided by each embodiment of the invention is powered by a motor, drives an input shaft to rotate through a driving shaft, drives a driving bevel gear and a driven bevel gear to rotate through transmission of a driving bevel gear and the driven bevel gear, drives a locking clutch sleeve to slide back and forth along a spline of the input shaft through a pull rod by utilizing transmission of a convex shaft and a guide rail frame of the rotating discs, can intermittently mesh with a second driving gear for transmission, and detects the gear transmission of the locking clutch sleeve through a gear smoothness detector, so that the trouble of pushing and detecting the locking clutch sleeve manually is omitted, the operation steps of equipment are simplified, and the detection efficiency is further improved.
2. According to the invention, through the power transmission of the driving bevel gear and the driven bevel gear, the motor can simultaneously rotate and drive the input shaft and the rotating disc, so that the power rotating action of the input shaft and the pushing action of the locking clutch sleeve can share one motor for driving, and a driving motor is not additionally arranged for the locking clutch sleeve, thereby being beneficial to reducing the weight of the device and lowering the cost.
3. Be equipped with the bearing external member in this device, wherein first driving gear is connected with the output gear meshing, make output gear rotate with the bearing external member through the output shaft of both sides, because the bearing external member can pass through the spacing groove sliding connection of stopper and installation cover, contact with vibration sensor's connection feeler lever when making the bearing external member produce vibration about, and then can detect first driving gear and output gear meshing driven matching degree through vibration sensor, this saves the trouble that extra handheld vibration sensor detected, the holistic use flow of device has been simplified, convenient operation is nimble.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.
In the drawings:
FIG. 1 shows a schematic diagram of the overall structure of a test apparatus according to an embodiment of the invention;
FIG. 2 shows a schematic view of a part of a table of a testing device according to an embodiment of the invention;
FIG. 3 shows a schematic view of a first support plate, input shaft, motor, locking clutch sleeve and transmission assembly of a testing device according to an embodiment of the present invention;
fig. 4 shows a schematic view of an exploded state of a motor and a first support plate and an input shaft of a testing apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an exploded state of the input shaft and locking clutch sleeve of the testing device in accordance with an embodiment of the present invention;
FIG. 6 shows a schematic diagram of an explosive condition of a drive assembly of a testing device according to an embodiment of the present invention;
FIG. 7 shows a schematic view of a second support plate, a connecting plate, a bearing set, an output gear and an output shaft of a testing device according to an embodiment of the invention;
FIG. 8 shows a schematic diagram of the explosive condition elicited by FIG. 7 of a testing device according to an embodiment of the present invention;
fig. 9 shows a schematic view of an explosive state of a mounting sleeve and a connecting plate and a bearing kit of a testing device according to an embodiment of the invention.
List of reference numerals
1. A work table; 101. a mounting seat; 102. a gear smoothness detector; 103. a controller; 2. a first support plate; 201. a bearing bracket; 202. a bearing seat; 3. an input shaft; 301. a first drive gear; 302. a second driving gear; 303. an input shaft spline; 304. a drive bevel gear; 4. a motor; 401. a fixed mount; 402. a drive shaft; 5. a locking clutch sleeve; 501. connecting sleeves; 502. a limit snap ring; 503. an extension spring; 6. a transmission assembly; 601. rotating the disc; 602. a rotating shaft; 603. a driven bevel gear; 604. a pull rod; 605. a guide rail bracket; 7. a second support plate; 701. installing a sleeve; 702. a limiting groove; 8. a connecting plate; 801. a vibration sensor; 802. connecting the feeler lever; 9. a bearing kit; 901. a limiting block; 902. a limiting round rod; 903. a compression spring; 10. an output gear; 11. and an output shaft.
Detailed Description
In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference symbols in the various drawings indicate like elements.
Example (b): please refer to fig. 1 to fig. 9:
the invention provides a testing device for a vehicle transmission mechanism, which comprises: a first supporting plate 2 is arranged in the middle of the top of the workbench 1; an input shaft 3 is arranged above the first supporting plate 2; a motor 4 is arranged on the rear side above the first supporting plate 2; the input shaft 3 is provided with a locking clutch sleeve 5; two transmission assemblies 6 are arranged on the front side above the first supporting plate 2, and the two transmission assemblies 6 are symmetrically distributed; a second supporting plate 7 is arranged on the left side of the top of the workbench 1; connecting plates 8 are arranged on the front side and the rear side above the second supporting plate 7, and the two connecting plates 8 are symmetrically distributed; an output gear 10 is arranged above the second supporting plate 7, and output shafts 11 are arranged on the front side and the rear side of the output gear 10; the output shaft 11 is rotatably provided with a bearing sleeve 9;
the right side of the top of the workbench 1 is provided with a mounting seat 101, the left side of the mounting seat 101 is provided with a gear smoothness detector 102, the gear smoothness detector 102 corresponds to the locking clutch sleeve 5, the top of the workbench 1 is provided with a controller 103, and the controller 103 is positioned in front of the mounting seat 101.
In addition, according to the embodiment of the present invention, as shown in fig. 3 to 6, two bearing frames 201 are disposed on the top of the first supporting plate 2, the input shaft 3 is rotatably mounted between the two bearing frames 201, a bearing seat 202 is disposed on the front side of the top of the first supporting plate 2, and two transmission assemblies 6 are disposed on the bearing seat 202;
a first driving gear 301 is arranged on the input shaft 3, the first driving gear 301 is meshed with the output gear 10, a second driving gear 302 is arranged on the input shaft 3, an input shaft spline 303 is arranged on the input shaft 3, the locking clutch sleeve 5 is slidably mounted on the input shaft spline 303, the locking clutch sleeve 5 is matched with the second driving gear 302, and a driving bevel gear 304 is arranged at the front end of the input shaft 3;
a fixing frame 401 is arranged on the front side of the motor 4, the fixing frame 401 is connected with the rear bearing frame 201 through a bolt, a driving shaft 402 is rotatably arranged on the front side of the motor 4, and the driving shaft 402 is connected with the rear end of the input shaft 3;
a limiting snap ring 502 is arranged at the front end of the locking clutch sleeve 5, a connecting sleeve 501 is arranged on the front side of the locking clutch sleeve 5, the locking clutch sleeve 5 is rotatably connected with the connecting sleeve 501 through the limiting snap ring 502, an extension spring 503 is arranged on the rear side of the connecting sleeve 501, the extension spring 503 is sleeved on the input shaft 3, and the extension spring 503 is connected with the front side bearing frame 201;
the transmission assembly 6 comprises a rotating disc 601, a rotating shaft 602, a driven bevel gear 603, a pull rod 604 and a guide rail frame 605, wherein the two rotating discs 601 are distributed in a symmetrical mode, convex shafts are arranged on the opposite outer sides of the rotating disc 601, the rotating shaft 602 is arranged on the opposite inner sides of the rotating disc 601 and is rotatably connected with a bearing seat 202, the driven bevel gear 603 is arranged at the opposite end parts of the two rotating shafts 602 and is meshed with a driving bevel gear 304, the two pull rods 604 are distributed in a left-right parallel mode, the rear end of each pull rod 604 is connected with a connecting sleeve 501, the guide rail frame 605 is arranged at the front end of each pull rod 604, the convex shafts of the rotating discs 601 are slidably arranged in the guide rail frame 605, the device is powered by a motor 4, an input shaft 3 is driven to rotate by a driving shaft 402, the driving bevel gear 304 and the driven bevel gear 603 are utilized to drive the two rotating discs 601 to rotate, and the convex shafts of the rotating discs 601 and the guide rail frame 605 are utilized to drive, the locking clutch sleeve 5 can be driven by the pull rod 604 to slide back and forth along the input shaft spline 303, the locking clutch sleeve 5 can be intermittently meshed with the second driving gear 302 for transmission, and the gear smoothness detector 102 is used for detecting the gear transmission of the locking clutch sleeve 5, so that the trouble of pushing and detecting the locking clutch sleeve 5 manually is eliminated, the operation steps of the device are simplified, and the detection efficiency is improved.
According to the invention, through the power transmission of the driving bevel gear 304 and the driven bevel gear 603, the motor 4 can simultaneously rotate and drive the input shaft 3 and the rotating disc 601, so that the power rotating action of the input shaft 3 and the pushing action of the locking clutch sleeve 5 can share one motor 4 for driving, and a driving motor is omitted for additionally arranging the locking clutch sleeve 5, thereby being beneficial to reducing the weight and the cost of the device.
In addition, according to the embodiment of the present invention, as shown in fig. 7 to 9, two mounting sleeves 701 are disposed at the top of the second supporting plate 7, the two mounting sleeves 701 are symmetrically distributed, the mounting sleeves 701 are U-shaped frame structures, the connecting plate 8 is fixedly mounted at the left end of the mounting sleeves 701, and two transverse plates of the mounting sleeves 701 are provided with limiting grooves 702 on opposite inner sides;
a vibration sensor 801 is arranged in the middle of the connecting plate 8, a connecting feeler lever 802 is arranged on one side of the vibration sensor 801, the connecting feeler lever 802 penetrates through the connecting plate 8, and the end part of the connecting feeler lever 802 is in contact with the bearing sleeve 9;
the upper end and the lower end of a bearing sleeve 9 are provided with limit blocks 901, the bearing sleeve 9 is connected with a limit groove 702 of an installation sleeve 701 through the limit blocks 901 in a sliding manner, the left side and the right side of the bearing sleeve 9 are provided with two limit round rods 902, a compression spring 903 is sleeved on the limit round rods 902, the limit round rods 902 respectively penetrate through a connecting plate 8 and a vertical plate of the installation sleeve 701, and the compression spring 903 is supported between the bearing sleeve 9 and the connecting plate 8 and the vertical plate of the installation sleeve 701, the bearing sleeve 9 is arranged in the device, wherein a first driving gear 301 is connected with an output gear 10 in a meshing manner, so that the output gear 10 can rotate with the bearing sleeve 9 through output shafts 11 on two sides, the bearing sleeve 9 can be connected with the limit groove 702 of the installation sleeve 701 through the limit blocks 901 in a sliding manner, when the bearing sleeve 9 vibrates left and right, the bearing sleeve 9 is in contact with a connecting contact rod 802 of a vibration sensor 801, and the matching degree of meshing transmission of the first driving gear 301 and the output gear 10 can be detected through the vibration sensor 801, the trouble of extra hand-held vibration sensor 801 detection is omitted, the use flow of the whole device is simplified, and the use and the operation are convenient and flexible.
The specific use mode and function of the embodiment are as follows: in the invention, the motor 4 provides power, the input shaft 3 is driven to rotate by the driving shaft 402, the driving bevel gear 304 and the driven bevel gear 603 are used for transmission, the two rotating discs 601 are rotated, the convex shaft of the rotating discs 601 and the guide rail frame 605 are used for transmission, and the locking clutch sleeve 5 can be driven to slide back and forth along the input shaft spline 303 by the pull rod 604; wherein first driving gear 301 is connected with output gear 10 meshing, make output gear 10 rotate with bearing external member 9 through the output shaft 11 of both sides, because bearing external member 9 can be through stopper 901 and the spacing groove 702 sliding connection of installation cover 701, contact with vibration sensor 801's connection feeler lever 802 when making bearing external member 9 produce the vibration about, and then can detect first driving gear 301 and output gear 10 meshing driven matching degree through vibration sensor 801, this omits the trouble that extra handheld vibration sensor 801 detected, the holistic use procedure of device has been simplified, convenient operation is nimble.
Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Claims (10)
1. A testing device for a vehicle transmission mechanism is characterized in that: a test apparatus for a vehicle transmission comprising: the device comprises a workbench (1), wherein a first supporting plate (2) is arranged in the middle of the top of the workbench (1); an input shaft (3) is arranged above the first supporting plate (2); a motor (4) is arranged on the rear side above the first supporting plate (2); the input shaft (3) is provided with a locking clutch sleeve (5); two transmission assemblies (6) are arranged on the front side above the first supporting plate (2), and the two transmission assemblies (6) are symmetrically distributed; a second supporting plate (7) is arranged on the left side of the top of the workbench (1); connecting plates (8) are arranged on the front side and the rear side above the second supporting plate (7), and the two connecting plates (8) are distributed in a symmetrical mode; an output gear (10) is arranged above the second supporting plate (7), and output shafts (11) are arranged on the front side and the rear side of the output gear (10); and a bearing sleeve (9) is rotatably arranged on the output shaft (11).
2. The vehicle transmission testing apparatus according to claim 1, characterized in that: workstation (1) top right side is equipped with mount pad (101), and mount pad (101) left side is equipped with gear smoothness degree detector (102) to gear smoothness degree detector (102) and locking separation and reunion cover (5) are corresponding, and workstation (1) top is equipped with controller (103), and controller (103) are located mount pad (101) the place ahead.
3. The vehicle transmission testing apparatus according to claim 1, characterized in that: two bearing frames (201) are arranged at the top of the first supporting plate (2), the input shaft (3) is rotatably installed between the two bearing frames (201), a bearing seat (202) is arranged on the front side of the top of the first supporting plate (2), and two transmission assemblies (6) are arranged on the bearing seat (202).
4. The vehicle transmission testing apparatus according to claim 1, characterized in that: be equipped with first driving gear (301) on input shaft (3), and first driving gear (301) is connected with output gear (10) meshing, is equipped with second driving gear (302) on input shaft (3), is equipped with input shaft spline (303) on input shaft (3), and locking separation and reunion cover (5) slidable mounting is on input shaft spline (303), and locking separation and reunion cover (5) and second driving gear (302) phase-match, and input shaft (3) front end is equipped with initiative bevel gear (304).
5. The vehicle transmission testing apparatus according to claim 1, characterized in that: the front side of the motor (4) is provided with a fixing frame (401), the fixing frame (401) is connected with the rear bearing frame (201) through a bolt, the front side of the motor (4) is rotatably provided with a driving shaft (402), and the driving shaft (402) is connected with the rear end of the input shaft (3).
6. The vehicle transmission testing apparatus according to claim 1, characterized in that: the front end of the locking clutch sleeve (5) is provided with a limiting snap ring (502), the front side of the locking clutch sleeve (5) is provided with a connecting sleeve (501), the locking clutch sleeve (5) is rotatably connected with the connecting sleeve (501) through the limiting snap ring (502), the rear side of the connecting sleeve (501) is provided with an extension spring (503), the extension spring (503) is sleeved on the input shaft (3), and the extension spring (503) is connected with a front side bearing frame (201).
7. The vehicle transmission testing apparatus according to claim 1, characterized in that: the transmission assembly (6) comprises a rotating disc (601), a rotating shaft (602), driven bevel gears (603), pull rods (604) and guide rail frames (605), the two rotating discs (601) are distributed in a symmetrical mode, convex shafts are arranged on the outer sides of the rotating discs (601) relatively, the rotating shafts (602) are arranged on the inner sides of the rotating discs (601) relatively, the rotating shafts (602) are rotatably connected with bearing seats (202), the driven bevel gears (603) are arranged on the opposite end portions of the two rotating shafts (602), the driven bevel gears (603) are meshed and connected with the driving bevel gear (304), the pull rods (604) are distributed in a left-right parallel mode, the rear ends of the pull rods (604) are connected with the connecting sleeve (501), the guide rail frames (605) are arranged at the front ends of the pull rods (604), and the convex shafts of the rotating discs (601) are slidably mounted in the guide rail frames (605).
8. The apparatus for testing a vehicular transmission according to claim 1, wherein: two installation sleeves (701) are arranged at the top of the second supporting plate (7), the two installation sleeves (701) are distributed in a symmetrical mode, the installation sleeves (701) are of a U-shaped frame structure, the connecting plate (8) is fixedly installed at the left end of the installation sleeves (701), and limiting grooves (702) are formed in the opposite inner sides of two transverse plates of the installation sleeves (701).
9. The vehicle transmission testing apparatus according to claim 1, characterized in that: vibration sensor (801) are arranged in the middle of the connecting plate (8), one side of the vibration sensor (801) is provided with a connecting feeler lever (802), the connecting feeler lever (802) penetrates through the connecting plate (8), and the end of the connecting feeler lever (802) is in contact with the bearing sleeve (9).
10. The vehicle transmission testing apparatus according to claim 1, characterized in that: both ends are equipped with stopper (901) about bearing external member (9), and bearing external member (9) pass through stopper (901) and spacing groove (702) sliding connection of installation cover (701), the bearing external member (9) left and right sides all is equipped with two spacing round bar (902), and the cover is equipped with compression spring (903) on spacing round bar (902), spacing round bar (902) run through connecting plate (8) and installation cover (701) riser respectively, and compression spring (903) support between bearing external member (9) and connecting plate (8) and installation cover (701) riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210989795.8A CN115077895B (en) | 2022-08-18 | 2022-08-18 | Testing device for vehicle transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210989795.8A CN115077895B (en) | 2022-08-18 | 2022-08-18 | Testing device for vehicle transmission mechanism |
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| CN115077895A true CN115077895A (en) | 2022-09-20 |
| CN115077895B CN115077895B (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210989795.8A Active CN115077895B (en) | 2022-08-18 | 2022-08-18 | Testing device for vehicle transmission mechanism |
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