CN219369129U - Transmission inclination test bench - Google Patents

Abstract

The utility model relates to the technical field of transmission product testing, in particular to a transmission tilting test bench which comprises a fixed base, a servo tilting system, a movable transmission system, a hull assembly and an MT clutch, wherein the hull assembly is horizontally arranged on the fixed base; the front end of the ship body assembly is in transitional connection with an MT clutch, and the MT clutch is in transitional connection with a transmission. The utility model utilizes the high-precision servo driving system to complete forward and reverse tilting of the transmission part of the speed changer by matching with the high-speed ratio speed reducer, and utilizes the supporting bearing seat to support the transmission system at a horizontal position, thereby accurately tilting by taking the bearing as a circle center.

Description

Transmission inclination test bench

Technical Field

The utility model relates to the technical field of transmission product testing, in particular to a transmission inclination test stand.

Background

With the continuous development of the automobile industry, the transmission cannot always be guaranteed to be horizontal in the arrangement of a whole automobile power system, and in addition, the transmission can be in an inclined state relative to the horizontal plane due to different road conditions during the running process of the automobile. In the design research and development and test verification stages of all transmission products, the tests of lubrication, temperature rise, dynamic sealing, air loss and the like of the transmission are necessary items for measuring whether the products are qualified or not, and are also key reference bases for checking whether various performance indicators of the transmission meet design requirements or not.

In order to know whether various performances of the transmission in a tilting state meet requirements, a large number of tilting tests need to be carried out for verification. The traditional tilting test bed mostly uses a driving motor and a hydraulic cylinder as main components: the driving motor is connected with a transmission through a shaft coupling, and the tilting function is realized through manual adjustment of the hydraulic unit, and meanwhile, auxiliary locking of a mechanical structure is needed. Although the cost is low, the defects of motor locked rotor, complicated angle adjustment, poor precision, easy oil leakage and failure of the hydraulic cylinder and the like exist. The interference of the whole vehicle transmission system is large in the whole vehicle operation mode, the state of the transmission cannot be detected independently, and most importantly, the detection mode has large risk factors and low efficiency. Therefore, a tilt test stand that can tilt alone to test transmission performance is particularly important.

Disclosure of Invention

Aiming at the problems of motor stalling, complicated angle adjustment and poor precision of an inclined test bed in the prior art, the utility model provides a transmission inclined test bed.

The utility model is realized by the following technical scheme:

the transmission inclination test bench comprises a fixed base, a servo inclination system, a movable transmission system, a ship body assembly and an MT clutch, wherein the ship body assembly is horizontally arranged on the fixed base, the transmission system comprises a driving motor, a transmission box body, a transmission shaft and a torque meter, the torque meter comprises a torque meter rotor and a torque meter stator, the output end of the driving motor is connected with the input end of the torque meter rotor, and the output end of the torque meter rotor is connected with the input end of the transmission shaft; the torque meter stator is connected with the transmission box body, the transmission box body is arranged on the ship body assembly in a sliding manner, and the output end of the transmission shaft is connected with the transmission through a shaft; the servo tilting system comprises a servo motor, a servo coupler, a speed reducer and two supporting bearing seats which are arranged at intervals, wherein an output shaft of the servo motor is connected with an input end of the speed reducer through the servo coupler, and an output end of the speed reducer is connected with the ship body assembly through the supporting bearing seats; the front end of the ship body assembly is in transitional connection with an MT clutch, and the MT clutch is in transitional connection with a transmission.

Preferably, the speed reducer adopts a worm and gear structure.

Preferably, the speed reducer is mounted on the fixed base in a hinged connection mode.

Preferably, a moving mechanism is arranged between the transmission system and the ship body assembly, the moving mechanism comprises a ball screw, a screw nut, a moving light plate and a plurality of locking bolts, the fixed end of the ball screw is arranged below the ship body assembly, the movable end of the ball screw is connected with the transmission box body, the moving light plate is arranged on the ship body assembly, and the moving light plate is positioned between the ship body assembly and the transmission box body; one end of the locking bolt is connected with the transmission case body, and the other end of the locking bolt is connected with the movable light plate.

Preferably, grease is smeared between the movable light plate and the transmission box body.

Preferably, the movable light plate is provided with a limiting cover plate, and the transmission box body is positioned between the limiting cover plate and the ship body assembly.

Preferably, a spanner limiting block is further arranged on the transmission case, a spanner is connected to the transmission shaft, and the spanner limiting block is matched with the spanner.

Preferably, a stationary transition is also included, the stationary transition being used to connect the clutch housing and the stationary base.

Preferably, the fixing base adopts a U-shaped structure and is fastened on the ground by an adjusting block and an expansion screw.

Preferably, the fixed base is provided with a plurality of limit blocks which are detachably connected, and the limit blocks are arranged on the rotating track of the transmission box body.

Compared with the prior art, the utility model has the following beneficial effects:

the transmission tilting test bench disclosed by the utility model takes the safety coupler and the high-precision torque meter as main components of a transmission system, so that the risk of motor locked-rotor caused by abnormal samples is effectively avoided while dynamic torque collection is ensured; the servo motor and the large speed ratio speed reducer are used as main components of the tilting system, so that high-precision closed-loop control and self-locking functions of the tilting angle are realized.

The high-precision servo driving system is matched with the high-speed ratio speed reducer to finish forward and reverse tilting of the transmission part of the transmission, the supporting bearing seat is used for supporting the transmission system at a horizontal position, the bearing is used as a circle center for precisely tilting, tilting of the bench assembly is realized by driving the speed reducer shaft, the horizontal transmission system and each tilting position are locked by the servo motor, and the angle control is precise and the movement is stable. Meanwhile, the driving motor drives the transmission system with the torque sensor to transmit torque and control rotation speed, and the high-precision torque sensor is used for directly measuring idle torque of the transmission, so that input rotation speed driving of the transmission is realized, front-back tilting of the transmission can be realized, idle torque and other parameters of the transmission can be measured, and matching of a AT, AMT, MT transmission assembly with new energy and the like can be realized.

Furthermore, the speed reducer with the worm and gear structure has the characteristics of large transmission ratio, stable transmission, compact structure and the like.

Furthermore, the lubricating grease can realize lubrication during reciprocating movement of the transmission box body, and the movement stability is ensured.

Further, the limiting cover plate is used for preventing the transmission system from overturning due to the change of the gravity center when the transmission system moves axially.

Further, spanner stopper and spanner mutually support, can radial card of transmission system in a certain position for lock the transmission shaft and make it take place idle running when dismantling the frock. And (5) after the disassembly and assembly work is finished, taking down the wrench.

Further, the fixed base of U type structure can improve the stability after the rack assembly derailleur sample under the prerequisite of guaranteeing rack intensity, and simultaneously, light structure can alleviate rack dead weight, the maintenance and the maintenance of rack of being convenient for.

Further, the detachable limiting block can be replaced in position, and limiting blocks in different positions are used for limiting the rotation angle of the transmission system not to exceed the allowable requirement so as to meet different angle limiting requirements.

Drawings

FIG. 1 is a top view of a transmission tilt test stand according to the present utility model;

FIG. 2 is a perspective view of a transmission tilt test stand according to the present utility model;

FIG. 3 is a schematic diagram of a servo tilt system of a transmission tilt test stand according to the present utility model.

FIG. 4 is a top view of a hull assembly of a transmission tilt test stand of the present utility model;

FIG. 5 is a cross-sectional view of the drive train of a transmission tilt test stand of the present utility model;

fig. 6 is a perspective view of a hull assembly of a transmission tilt test stand of the present utility model.

In the figure, 1, a fixed base; 2. a servo tilt system; 3. a driving motor; 4. a hull assembly; 5. MT clutch transition; 6. a servo motor; 7. a servo coupling; 8. a speed reducer; 9. a transmission system; 11. a short shaft; 12. a speed reducer shaft; 13. a support bearing seat; 14. a transmission case; 15. a transmission shaft; 16. a torque meter rotor; 17. a torque meter stator; 18. the base is transited; 19. a thread transition tool; 20. a cover plate; 21. a ball screw; 22. a lead screw nut; 23. moving the light panel; 25. a limit cover plate; 26. a limiting block; 27. a spanner limiting block; 28. a wrench; 29. a spanner block; 30. and (5) fixedly transiting.

Detailed Description

The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.

The utility model discloses a transmission tilting test bed, which is disclosed by the utility model, and referring to figures 1 and 2, and comprises a fixed base 1, a servo tilting system 2, a transmission system 9, a ship body assembly 4 and an MT clutch transition 5, wherein the fixed base adopts a U-shaped structure and is fastened on the ground by an adjusting block and an expansion screw.

Referring to fig. 3 and 4, the hull assembly 4 is horizontally mounted on the stationary base 1 through a stub shaft 11 and a speed reducer shaft 12, and the front end of the hull assembly 4 is connected with an MT clutch transition 5, and the MT clutch transition 5 is used for connecting a transmission. An observation window is arranged above the ship body assembly 4, so that the engagement condition of a shaft can be observed when the transmission is installed.

The servo tilting system 2 is arranged on the fixed base 1, the servo tilting system 2 comprises a servo motor 6, a servo coupler 7, a speed reducer 8 and two supporting bearing seats 13 which are arranged at intervals, an output shaft of the servo motor 6 is connected with an input end of the speed reducer 8 through the servo coupler 7, and referring to fig. 5, the transmission system 9 comprises a driving motor 3, a transmission box 14, a transmission shaft 15 and a torque meter, and an output end of the speed reducer 8 is connected with the ship body assembly 4 through the supporting bearing seats 13. The transmission shaft 15 is rotatably connected with the transmission box body 14 through a transmission shaft 15 bearing. The torque meter has good temperature stability and excellent resolution. The method has the characteristics of quick response time, low starting torque, accurate torque test and the like.

The speed reducer 8 adopts a worm and gear structure and is installed on the fixed base 1 in a hinged connection mode.

The torque meter comprises a torque meter rotor 16 and a torque meter stator 17, the output end of the driving motor 3 is connected with the input end of the torque meter rotor 16, and the output end of the torque meter rotor 16 is connected with the input end of the transmission shaft 15; the torque meter stator 17 is connected with the transmission case 14 through a base transition 18, ensuring a correct measurement gap between the torque meter rotor 16 and the torque meter stator 17.

The transmission case 14 is arranged on the hull assembly 4 in a sliding way, and the output end of the transmission shaft 15 is connected with a transmission shaft by a thread transition tool 19; the effect of the screw thread transition frock 19 is that frequent dismouting one axle transition frock can not lead to the damage of transmission shaft 15 screw thread, and different sample corresponds different one axle sizes and different connected mode, changes different one axle transition frock when using and can realize different sample matching.

The cover plate 20 is further arranged on the transmission box body 14, the cover plate 20 can effectively isolate noise generated when the transmission system 9 operates, and the test bed can normally operate only when the cover plate 20 is closed and the lock catch is closed, and the lock head on the cover plate 20 is opened by preventing staggered closing which is positioned right below the cover plate 20; if the cover plate 20 is not closed, the anti-stagger switch is in a closed state, and the rack cannot be started. The function is used for unfinished test installation or accidents caused by misoperation of the test bed in the overhauling and calibrating process of the test bed. The cover plate 20 is provided with an error-proof alarm device, and only the cover plate 20 is closed and the locking test bed is closed, so that the normal operation can be realized, otherwise, the bench cannot be started.

Referring to fig. 6, a moving mechanism is provided between the transmission system 9 and the hull assembly 4, the moving mechanism includes a ball screw 21, a screw nut 22, a moving light plate 23 and a plurality of locking bolts, the fixed end of the ball screw 21 is disposed below the hull assembly 4, the movable end of the ball screw 21 is connected with the transmission case 14, the moving light plate 23 is disposed on the hull assembly 4, and the moving light plate 23 is located between the hull assembly 4 and the transmission case 14. One end of the locking bolt is connected with the transmission case 14, and the other end of the locking bolt is connected with the movable light panel 23. In this embodiment, four locking bolts are provided, a guide groove is formed in the transmission case 14, one end of each locking bolt slides in the guide groove, and the other end of each locking bolt is connected with the movable light plate 23. In order to ensure smooth sliding of the transmission case 14, grease is applied between the moving light plate 23 and the transmission case 14. Sealing strips are arranged on two sides of the movable box body in the moving direction, so that the lubricating grease is protected from external pollution.

The movable light plate 23 is provided with a limiting cover plate 25, and the transmission box body 14 is positioned between the limiting cover plate 25 and the ship body assembly 4. The limiting cover plate 25 always presses the transmission case 14 on the hull assembly 4, so as to ensure that the transmission case 14 cannot fall over due to unbalanced weight in the moving process.

Referring to fig. 4, the fixed base 1 is provided with a plurality of detachably connected limiting blocks 26, and the limiting blocks 26 are disposed on the rotation track of the transmission case 14.

Referring to fig. 1, a wrench limiting block 27 is further arranged on the transmission case, a wrench 28 is connected to the transmission shaft 15, and the wrench limiting block 27 is matched with the wrench 28. In this embodiment, the wrench 28 includes a wrench block 29 assembled by bolts and a wrench 28 body, a concave groove at the lower end of the wrench 28 body is clamped on a clamping plane at a corresponding position of the transmission shaft 15, and a convex wrench block 29 is clamped in a groove of the wrench limiting block 27 to realize manual locking of the transmission system 9, so as to be used for calibrating, disassembling and assembling a transmission or disassembling and assembling working conditions such as a transmission part of a test stand.

Referring to fig. 4, a stationary transition 30 is further included, the stationary transition 30 being used to connect the clutch housing and the stationary base 1. Different samples need to be replaced with different clutch tools, the screw holes are easily damaged by frequent disassembly tools, the fixed transition 30 can be replaced conveniently after the screw holes are damaged, and the ship body assembly 4 is guaranteed to be good in function. The sizes and shapes of the clutch shells corresponding to different samples are different, and corresponding adaptation transition is arranged on the fixed transition 30 during use.

The working process of the transmission inclination test stand provided by the utility model is as follows:

(1) A big pot tool matched with the clutch shell of the sample transmission is selected to be installed on the fixed transition 30;

(2) A thread transition tool 19 is arranged on the transmission shaft 15, and a spline housing matched with a transmission shaft is selected to be arranged on the transmission shaft 15;

(3) Releasing (taking care of not taking off) the four locking bolts that fix the transmission case 14, and shaking the ball screw sleeve by the wrench 28 to move the transmission case 14 to a position away from the transmission;

(4) Hoisting a transmission sample horizontally, and horizontally mounting the transmission sample on a cauldron tool;

(5) The ball screw rod sleeve is rocked to move the transmission case 14 towards the direction of the speed changer until a first shaft of the speed changer and a spline sleeve of the first shaft are meshed to the correct position, and four locking nuts on the transmission case 14 are locked to fix the position of the transmission case 14;

(6) The servo motor 6 can be driven to adjust the transmission angle to any angle within the allowable range after the installation is completed;

(7) The driving motor 3 enables the transmission to run at any rotation speed within the allowable requirement, and idle torque of the transmission in the running process can be collected through the torque meter;

(8) After the test is completed, the four locking bolts on the transmission box body 14 are loosened, and the ball screw sleeve is rocked to move the transmission box body 14 away from the direction of the speed changer until the transmission shaft 15 is disconnected from the transmission shaft.

(9) The transmission was removed from the test stand and another sample was replaced.

The foregoing description of the preferred embodiment of the present utility model is not intended to limit the technical solution of the present utility model in any way, and it should be understood that the technical solution can be modified and replaced in several ways without departing from the spirit and principle of the present utility model, and these modifications and substitutions are also included in the protection scope of the claims.

Claims (10)

1. The transmission tilting test bed is characterized by comprising a fixed base (1), a servo tilting system (2), a movable transmission system (9), a ship body assembly (4) and an MT clutch transition (5), wherein the ship body assembly (4) is horizontally arranged on the fixed base (1), the transmission system (9) comprises a driving motor (3), a transmission box body (14), a transmission shaft (15) and a torque meter, the torque meter comprises a torque meter rotor (16) and a torque meter stator (17), the output end of the driving motor (3) is connected with the input end of the torque meter rotor (16), and the output end of the torque meter rotor (16) is connected with the input end of the transmission shaft (15); the torque meter stator (17) is connected with the transmission box body (14), the transmission box body (14) is arranged on the ship body assembly (4) in a sliding mode, and the output end of the transmission shaft (15) is connected with the transmission through a shaft; the servo tilting system (2) comprises a servo motor (6), a servo coupler (7), a speed reducer (8) and two supporting bearing seats (13) which are arranged at intervals, wherein an output shaft of the servo motor (6) is connected with an input end of the speed reducer (8) through the servo coupler (7), and an output end of the speed reducer (8) is connected with the ship body assembly (4) through the supporting bearing seats (13); the front end of the ship body assembly (4) is connected with an MT clutch transition (5), and the MT clutch transition (5) is used for connecting a transmission.

2. Transmission tilt test stand according to claim 1, characterized in that the speed reducer (8) is of worm gear type.

3. Transmission tilt test stand according to claim 1, characterized in that the reducer (8) is mounted on the stationary base (1) in a hinged connection.

4. The transmission inclination test stand according to claim 1, wherein a moving mechanism is arranged between the transmission system (9) and the ship body assembly (4), the moving mechanism comprises a ball screw (21), a screw nut (22), a moving light plate (23) and a plurality of locking bolts, the fixed end of the ball screw (21) is arranged below the ship body assembly (4), the movable end of the ball screw (21) is connected with the transmission box body (14), the moving light plate (23) is arranged on the ship body assembly (4), and the moving light plate (23) is arranged between the ship body assembly (4) and the transmission box body (14); one end of the locking bolt is connected with the transmission box body (14), and the other end of the locking bolt is connected with the movable light plate (23).

5. The transmission tilt test stand according to claim 4, wherein grease is applied between the moving light plate (23) and the transmission case (14).

6. The transmission tilting test stand according to claim 4, wherein a limiting cover plate (25) is arranged on the movable light plate (23), and the transmission case body (14) is positioned between the limiting cover plate (25) and the ship body assembly (4).

7. The transmission tilting test stand according to claim 1, wherein a wrench limiting block (27) is further arranged on the transmission case, a wrench (28) is connected to the transmission shaft (15), and the wrench limiting block (27) is matched with the wrench (28).

8. Transmission tilt test stand according to claim 1, further comprising a stationary transition (30), said stationary transition (30) being used for connecting the clutch housing and the stationary base (1).

9. The transmission tilt test stand according to claim 1, wherein the stationary base (1) is of a U-shaped configuration and is secured to the ground by means of an adjustment block and an expansion screw.

10. The transmission tilting test stand according to claim 1, wherein a plurality of detachably connected limiting blocks (26) are arranged on the fixed base (1), and the limiting blocks (26) are arranged on the rotating track of the transmission case (14).