CN112729822A - Automobile transmission system testing device - Google Patents
Automobile transmission system testing device Download PDFInfo
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- CN112729822A CN112729822A CN202110110551.3A CN202110110551A CN112729822A CN 112729822 A CN112729822 A CN 112729822A CN 202110110551 A CN202110110551 A CN 202110110551A CN 112729822 A CN112729822 A CN 112729822A
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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
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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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
- G01M13/022—Power-transmitting couplings or clutches
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A simulated driving test apparatus for a vehicle driveline, comprising: the driving assembly is in transmission fit with a power input end of the transmission assembly to be tested, an accelerator signal output end of the simulation cockpit is connected with a signal input end of the driving assembly, a gear control end of the simulation cockpit is in transmission fit with a control end of the transmission assembly to be tested, the vertical loading assembly is in transmission fit with a drive axle of the transmission assembly to be tested, and the wheel loading assembly is in contact with wheels of the transmission structure to be tested. The design not only can finish the driving simulation test on the rack without assembling a test sample car, but also effectively saves the labor, time and cost of the test, and effectively enlarges the application range of the equipment.
Description
Technical Field
The invention relates to a testing device for an automobile transmission system, which is particularly suitable for improving the precision of a test.
Background
The automobile transmission system has close relation to the performances of automobile dynamic property, economy and the like, along with the rapid upgrade and the increased competition of national emission regulations, the market has higher and higher requirements on various performances of automobiles, various automobile manufacturers actively explore how the automobile transmission system is designed and matched to achieve better performance, and no matter what method is adopted for design, data are finally verified and accumulated through testing, so that the development of the automobile transmission system testing device is very critical.
The following three device schemes are generally available in the current automobile transmission system test:
the scheme is that firstly, each part of the automobile transmission system is tested respectively, the performance of each part is promoted independently so as to achieve the purpose of improving the performance of the whole automobile, and the method has the limitation that the influence of the matching effect of each part on the performance of the whole automobile cannot be considered.
The second scheme is that various performance indexes of the transmission system are directly tested on a complete automobile, the advantages are that the real automobile state does not need to be simulated, the test is carried out on the real automobile, and the test of all working conditions can be completed. In addition, due to factors such as space limitation of the real vehicle, difficulty and limitation are brought to testing.
The third scheme is that the speed changer, the transmission shaft and the drive axle are installed on the rack through a tool, the front end simulates an engine to provide power for the speed changer through a motor, the rear end provides resistance for two ends of the drive axle through 2 loading motors, and various sensors are adopted to measure parameters such as rotating speed, torque and temperature rise of various parts, so that various indexes of the transmission system are obtained.
Disclosure of Invention
The invention aims to overcome the problem of poor simulation effect of a test device in the prior art, and provides an automobile transmission system test device capable of highly simulating the working condition of an actual automobile.
In order to achieve the above purpose, the technical solution of the invention is as follows:
an automotive driveline testing apparatus, the testing apparatus comprising: the test device comprises a driving assembly, a transmission control assembly, a vertical loading assembly, a wheel loading assembly and a transmission assembly to be tested, wherein the driving assembly is in transmission fit with a power input end of the transmission assembly to be tested, the transmission control assembly is in transmission fit with a control end of the transmission assembly to be tested, the vertical loading assembly is in transmission fit with a drive axle of the transmission assembly to be tested, and the wheel loading assembly is in contact with a wheel of a transmission structure to be tested.
The driving assembly is arranged on a track of the metal floor, and the bottom of the driving assembly is in sliding fit with the track.
The driving assembly comprises a movable base, a lifting bottom plate, an inclination angle fixing plate, a driving motor and a gearbox mounting seat, wherein the bottom of the movable base is in sliding fit with a track, four lead screws are fixed at the top of the movable base, nuts in threaded fit with the lead screws are sleeved on the lead screws, the lifting bottom plate is sleeved on the lead screws, the bottom of the lifting bottom plate is in limit fit with the nuts on the lead screws, two supports are arranged in the middle of the lifting bottom plate, two sides of the middle of the inclination angle fixing plate are fixed on the two supports, the inclination angle fixing plate is in rotating fit with the supports, two ends of the inclination angle fixing plate are respectively provided with an angle adjusting nut, the lower end of the angle adjusting nut is in limit fit with the lifting bottom plate, the driving motor and the gearbox mounting seat are fixed on the inclination angle fixing plate, and a power output shaft of the driving motor is, and a torque and rotating speed sensor is arranged on a power output shaft of the driving motor.
The wheel loading assembly includes: left wheel loading mechanism and right wheel loading mechanism that bilateral symmetry set up, left wheel loading mechanism is the same with right wheel loading mechanism structure, left wheel loading mechanism includes: the device comprises a damping rotary drum, a measuring and loading motor and a loading end torque and rotating speed sensor, wherein a power output shaft of the measuring and loading motor is in transmission fit with the damping rotary drum, and the loading end torque and rotating speed sensor is arranged on the power output shaft of the measuring and loading motor.
The wheel loading assembly further comprises: the damping rotary drum is arranged inside the loading support, two testing ports are formed in the top of the loading support, the upper end of the damping rotary drum is arranged in each testing port, a guide plate is arranged at each of the front end and the rear end of each testing port, rollers are arranged at the tops of the guide plates, and the rollers are rotationally matched with the tops of the guide plates.
The vertical loading assembly comprises: the left vertical loading mechanism and the right vertical loading mechanism are symmetrically arranged, the left vertical loading mechanism and the right vertical loading mechanism are the same in structure, and the left vertical loading mechanism comprises: the portal frame is fixed at the top of the loading support, the middle part of a beam at the top of the portal frame is fixedly connected with the top of the hydraulic loading device, the hydraulic loading device is provided with a pressure sensor, the bottom of the hydraulic loading device is fixedly connected with the middle part of the beam, two ends of the beam are respectively provided with a guide sliding block, the end part of the beam is in rotating fit with the end part of the guide sliding block, the guide sliding block is in sliding fit with a beam guide rail fixed in the upright post of the portal frame, the side walls at two sides of the upright post of the portal frame are respectively fixed with a limit frame guide rail, two ends of the adjustable limit frame are respectively provided with a sliding block structure, and the adjustable limit frame is in sliding fit with the limit frame guide rails at the corresponding sides through the sliding block structures, the sliding block structure is in locking fit with the guide rail of the limiting frame through a fixing bolt arranged on the sliding block structure, and the lower end of the adjustable limiting frame is in limiting fit with the top of the guide sliding block.
The transmission assembly to be tested comprises: the damping rotary drum type clutch comprises a clutch, a gearbox, a transmission shaft, a drive axle and wheels, wherein the power input end of the clutch is in transmission fit with the power output end of a driving motor, the power output end of the clutch is in transmission fit with the input shaft of the gearbox, the output shaft of the gearbox is in transmission fit with the drive axle through the transmission shaft, one set of wheels is respectively installed on two sides of the drive axle, a plate spring seat at the end part of the drive axle is in compression fit with the middle part of a cross beam, and the wheels are in compression fit with the damping rotary drum.
The transmission control assembly comprises: simulation clutch operating device and simulation gearshift, simulation clutch operating device includes: the power output end of the pedal-operated robot is in transmission fit with the control end of the clutch after passing through the clutch pedal and the flexible shaft in sequence; a pressure sensor is arranged on the power output end of the pedal-operated robot;
the simulated gear shift mechanism includes: the gear shifting robot comprises a gear shifting control mechanism and a gear shifting robot, wherein a power output rod of the gear shifting robot is in transmission fit with an operating rod of the gear shifting control mechanism through a sleeve rod, the gear shifting control mechanism is in transmission fit with a selecting and changing control end of a gearbox, the gear shifting robot is provided with a displacement sensor, and the sleeve rod is provided with a pressure sensor.
The test device further comprises: and the oil temperature adjusting device is respectively communicated with the lubricating oil passages in the gearbox and the drive axle.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a testing device of an automobile transmission system, which is characterized in that all parts of the automobile transmission system and a wheel tire assembly are completely arranged on a rack, a driving motor provides power, a chassis dynamometer provides resistance by means of a rotary drum, a vertical loading system simulates vertical load, and sensors are arranged at various positions to measure parameters such as rotating speed, torque, temperature rise and the like of various positions, so that performance parameters such as efficiency, durability, power, gear shifting control performance and the like of the whole set of the transmission system and the wheel tire assembly are finally obtained. Therefore, the test can be completed on the rack without assembling the test sample car, and the labor, time and cost of the test are effectively saved.
2. The wheel loading structure in the automobile transmission system testing device simulates the road surface state, the vertical loading structure simulates the load state of a vehicle, the working state of the transmission structure to be tested is enabled to be as close to the real vehicle running state as possible for testing, the adjustable limiting frame is arranged in the vertical loading structure to limit the position of the cross beam, the loading structure is prevented from deviating from the position required by the test in the testing process, the moving range of the driving axle to be tested is limited under the condition that a certain moving freedom degree of the driving axle to be tested is reserved, and the simulation degree of the testing device is effectively improved. Therefore, the design has high simulation degree and effectively simulates the running state of the real vehicle.
3. According to the driving structure in the testing device of the automobile transmission system, the driving motor is used as a power source to provide power for the transmission structure to be tested, and the driving motor can simulate an engine characteristic curve to test when necessary, so that the power requirements of different tests are met; meanwhile, the position of the driving structure is adjusted by the movable base, and the height and the inclination angle are adjusted by the lifting bottom plate and the inclination angle fixing plate, so that the positions and postures of the clutch, the gearbox and the transmission shaft meet the test requirements, the design can be suitable for testing most of transmission structures to be tested in different models, and the application range of the testing device is effectively expanded. Therefore, the driving structure of the design not only can meet the power supply requirements of different tests, but also has wide application range and can be applied to the test of various transmission systems.
4. The invention relates to an automobile transmission system testing device, wherein a pedal-operated robot and a gear-shifting robot are used for respectively operating a clutch and a gearbox, so that more types of tests can be completed under the unattended condition, and an oil temperature adjusting device is arranged to simulate the temperature state of lubricating oil, so that the testing result is closer to the real vehicle state. Therefore, the design not only can realize unmanned control test, but also is provided with an oil temperature adjusting device to simulate the temperature state of the lubricating oil.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the driving structure of fig. 1.
Fig. 3 is a schematic diagram of the vertical loading structure of fig. 1.
FIG. 4 is a schematic structural diagram of the transmission structure to be tested in FIG. 1.
Fig. 5 is a schematic structural view of the wheel loading structure of fig. 1.
Fig. 6 is a schematic structural view of the simulated shift mechanism of fig. 1.
Fig. 7 is a schematic structural view of the analog clutch operating mechanism of fig. 1.
Fig. 8 is an oil passage connection diagram of the oil temperature adjusting device of the present invention.
In the figure: the device comprises a driving structure 1, a movable base 11, a lifting bottom plate 12, an inclination angle fixing plate 13, a driving motor 14, a gearbox mounting seat 15, a lead screw 16, a support 17, an angle adjusting nut 18, a torque rotating speed sensor 19, a transmission control structure 2, a simulation clutch control mechanism 21, a simulation gear shifting mechanism 22, a clutch pedal 23, a pedal control robot 24, a gear shifting control mechanism 25, a gear shifting robot 26, a sleeve rod 27, a vertical loading structure 3, a portal frame 31, a hydraulic loading device 32, a pressure sensor 33, a cross beam 34, a guide slider 35, an adjustable limiting frame 36, a limiting frame guide rail 37, a cross beam guide rail 38, a slider structure 39, a wheel loading structure 4, a damping rotary drum 41, a measurement loading motor 42, a loading end torque rotating speed sensor 43, a loading support 44, a test port 45, a guide plate 46, a roller 47, a transmission structure 5 to be tested, a clutch 51, The oil temperature adjusting device comprises a gearbox 52, a transmission shaft 53, a drive axle 54, wheels 55, a metal floor 6, a track 61 and an oil temperature adjusting device 7.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 8, a test apparatus for a vehicle transmission system, the test apparatus comprising: the test device comprises a driving assembly 1, a transmission control assembly 2, a vertical loading assembly 3, a wheel loading assembly 4 and a transmission assembly 5 to be tested, wherein the driving assembly 1 is in transmission fit with a power input end of the transmission assembly 5 to be tested, the transmission control assembly 2 is in transmission fit with a control end of the transmission assembly 5 to be tested, the vertical loading assembly 3 is in transmission fit with a drive axle 54 of the transmission assembly 5 to be tested, and the wheel loading assembly 4 is in contact with a wheel 55 of the transmission structure 5 to be tested.
The driving assembly 1 is arranged on a rail 61 of the metal floor 6, and the bottom of the driving assembly 1 is in sliding fit with the rail 61.
The driving assembly 1 comprises a movable base 11, a lifting bottom plate 12, an inclination angle fixing plate 13, a driving motor 14 and a gearbox mounting seat 15, wherein the bottom of the movable base 11 is in sliding fit with a rail 61, four lead screws 16 are fixed at the top of the movable base 11, nuts in threaded fit with the lead screws 16 are sleeved on the lead screws 16, the lifting bottom plate 12 is sleeved on the lead screws 16, the bottom of the lifting bottom plate 12 is in limit fit with the nuts on the lead screws 16, two supports 17 are arranged in the middle of the lifting bottom plate 12, two sides of the middle of the inclination angle fixing plate 13 are fixed on the two supports 17, the inclination angle fixing plate 13 is in rotary fit with the supports 17, two angle adjusting nuts 18 are respectively arranged at two ends of the inclination angle fixing plate 13, the lower end of each angle adjusting nut 18 is in limit fit with the lifting bottom plate 12, and the driving motor 14 and the gearbox, the power output shaft of the driving motor 14 penetrates through the gearbox mounting seat 15 and then is in transmission fit with the power input end of the transmission assembly 5 to be tested, and the power output shaft of the driving motor 14 is provided with a torque and rotating speed sensor 19.
The wheel loading assembly 4 includes: left wheel loading mechanism and right wheel loading mechanism that bilateral symmetry set up, left wheel loading mechanism is the same with right wheel loading mechanism structure, left wheel loading mechanism includes: the device comprises a damping rotary drum 41, a measuring loading motor 42 and a loading end torque and rotating speed sensor 43, wherein a power output shaft of the measuring loading motor 42 is in transmission fit with the damping rotary drum 41, and the loading end torque and rotating speed sensor 43 is arranged on the power output shaft of the measuring loading motor 42.
The wheel loading assembly 4 further comprises: the loading device comprises a loading support 44, the damping drum 41 is arranged inside the loading support 44, two testing ports 45 are formed in the top of the loading support 44, the upper end of the damping drum 41 is arranged in the testing ports 45, two guide plates 46 are respectively arranged at the front end and the rear end of each testing port 45, rollers 47 are arranged on the tops of the guide plates 46, and the rollers 47 are in rotating fit with the tops of the guide plates 46.
The vertical loading assembly 3 comprises: the left vertical loading mechanism and the right vertical loading mechanism are symmetrically arranged, the left vertical loading mechanism and the right vertical loading mechanism are the same in structure, and the left vertical loading mechanism comprises: the device comprises a portal frame 31, a hydraulic loading device 32, a pressure sensor 33, a beam 34, a guide slider 35, an adjustable limiting frame 36, a limiting frame guide rail 37 and a beam guide rail 38, wherein the portal frame 31 is fixed at the top of a loading support 44, the middle part of the beam at the top of the portal frame 31 is fixedly connected with the top of the hydraulic loading device 32, the hydraulic loading device 32 is provided with the pressure sensor 33, the bottom of the hydraulic loading device 32 is fixedly connected with the middle part of the beam 34, two ends of the beam 34 are respectively provided with the guide slider 35, the end part of the beam 34 is rotationally matched with the end part of the guide slider 35, the guide slider 35 is in sliding fit with the beam guide rail 38 fixed inside a portal frame 31, the side walls at two sides of the portal frame 31 are respectively fixed with the limiting frame guide rail 37, and two ends of the adjustable limiting frame 36 are respectively provided with the slider, the adjustable limiting frame 36 is in sliding fit with the limiting frame guide rail 37 on the corresponding side through a sliding block structure 39, the sliding block structure 39 is in locking fit with the limiting frame guide rail 37 through a fixing bolt arranged on the sliding block structure 39, and the lower end of the adjustable limiting frame 36 is in limiting fit with the top of the guide sliding block 35.
The transmission assembly to be tested 5 comprises: the damping device comprises a clutch 51, a gearbox 52, a transmission shaft 53, a drive axle 54 and wheels 55, wherein the power input end of the clutch 51 is in transmission fit with the power output end of the driving motor 14, the power output end of the clutch 51 is in transmission fit with the input shaft of the gearbox 52, the output shaft of the gearbox 52 is in transmission fit with the drive axle 54 through the transmission shaft 53, a set of wheels 55 are respectively installed on two sides of the drive axle 54, a plate spring seat at the end part of the drive axle 54 is in compression fit with the middle part of the cross beam 34, and the wheels 55 are in compression fit with the damping rotary drum 41.
The transmission operating assembly 2 comprises: an analog clutch operating mechanism 21 and an analog shift mechanism 22, the analog clutch operating mechanism 21 including: the power output end of the pedal-operated robot 24 is matched with the control end of the clutch 51 in a transmission way after passing through the clutch pedal 23 and the flexible shaft in sequence; a pressure sensor is arranged at the power output end of the pedal-operated robot 24;
the simulated shift mechanism 22 includes: the gear shifting robot comprises a gear shifting operating mechanism 25 and a gear shifting robot 26, wherein a power output rod of the gear shifting robot 26 is in transmission fit with an operating rod of the gear shifting operating mechanism 25 through a sleeve rod 27, the gear shifting operating mechanism 25 is in transmission fit with a gear shifting control end of a gearbox 52, the gear shifting robot 26 is provided with a displacement sensor, and the sleeve rod 27 is provided with a pressure sensor.
The test device further comprises: and the oil temperature adjusting device 7 is communicated with lubricating oil passages in the gearbox 52 and the drive axle 54 respectively.
The principle of the invention is illustrated as follows:
the scheme of the device is that all parts of an automobile transmission system and a wheel tire assembly are completely installed on a rack, a driving motor provides power (simulating an engine characteristic curve if necessary), a chassis dynamometer provides resistance by means of a rotary drum, a vertical loading system simulates vertical load, sensors are installed at various positions to measure parameters such as rotating speed, torque, temperature rise and the like of various positions, and finally performance parameters such as efficiency, durability, power, gear shifting control performance and the like of the whole set of the transmission system and the wheel tire assembly are obtained. The device has the advantages that the test can be carried out when the design scheme is preliminarily determined (the test is not needed to be finished by a sample vehicle), the adjustment can be carried out in time according to the test result, for example, all parts of the transmission system can be replaced for comparison and matching test, the spatial arrangement can also be adjusted, the scheme with higher transmission performance can be found through a series of test comparison, and therefore the device can be applied to automobile development in time, the problem that the matching effect cannot be considered in the scheme is solved, the problem that the scheme II cannot provide valuable reference at the beginning of the design of the whole automobile is solved, the problem that the scheme III cannot simulate the influence of a pair of a wheel assembly and the ground on the whole transmission system is solved, and meanwhile, the method can also be used for rapidly changing the load to measure the performance parameters of the transmission system under different loads.
The device can test the complete automobile transmission system assembly with the wheels, can test the whole automobile sample before trial production is completed, can continuously search the performance variation trend of the transmission system by replacing different parts and adjusting spatial arrangement and other modes, finds the optimal solution of matching and spatial arrangement of the parts and the assembly, can increase various accessories to measure the performance parameters of the transmission system under various working conditions, and can simulate various working conditions of a real automobile to realize the reproduction and analysis of the market fault problem.
Example 1:
an automotive driveline testing apparatus, the testing apparatus comprising: the test device comprises a driving assembly 1, a transmission control assembly 2, a vertical loading assembly 3, a wheel loading assembly 4 and a transmission assembly to be tested 5, wherein the driving assembly 1 is in transmission fit with a power input end of the transmission assembly to be tested 5, the transmission control assembly 2 is in transmission fit with a control end of the transmission assembly to be tested 5, the vertical loading assembly 3 is in transmission fit with a drive axle 54 of the transmission assembly to be tested 5, and the wheel loading assembly 4 is in contact with a wheel 55 of the transmission structure to be tested 5; the driving assembly 1 is arranged on a rail 61 of the metal floor 6, and the bottom of the driving assembly 1 is in sliding fit with the rail 61; the driving assembly 1 comprises a movable base 11, a lifting bottom plate 12, an inclination angle fixing plate 13, a driving motor 14 and a gearbox mounting seat 15, wherein the bottom of the movable base 11 is in sliding fit with a rail 61, four lead screws 16 are fixed at the top of the movable base 11, nuts in threaded fit with the lead screws 16 are sleeved on the lead screws 16, the lifting bottom plate 12 is sleeved on the lead screws 16, the bottom of the lifting bottom plate 12 is in limit fit with the nuts on the lead screws 16, two supports 17 are arranged in the middle of the lifting bottom plate 12, two sides of the middle of the inclination angle fixing plate 13 are fixed on the two supports 17, the inclination angle fixing plate 13 is in rotary fit with the supports 17, two angle adjusting nuts 18 are respectively arranged at two ends of the inclination angle fixing plate 13, the lower end of each angle adjusting nut 18 is in limit fit with the lifting bottom plate 12, and the driving motor 14 and the gearbox, a power output shaft of the driving motor 14 penetrates through the gearbox mounting seat 15 and then is in transmission fit with a power input end of the transmission assembly 5 to be tested, and a torque and rotating speed sensor 19 is arranged on the power output shaft of the driving motor 14; the wheel loading assembly 4 includes: left wheel loading mechanism and right wheel loading mechanism that bilateral symmetry set up, left wheel loading mechanism is the same with right wheel loading mechanism structure, left wheel loading mechanism includes: the device comprises a damping rotary drum 41, a measuring and loading motor 42 and a loading end torque and rotating speed sensor 43, wherein a power output shaft of the measuring and loading motor 42 is in transmission fit with the damping rotary drum 41, and the loading end torque and rotating speed sensor 43 is arranged on the power output shaft of the measuring and loading motor 42; the wheel loading assembly 4 further comprises: the loading support 44 is provided with the damping drum 41, the damping drum 41 is arranged inside the loading support 44, the top of the loading support 44 is provided with two testing ports 45, the upper end of the damping drum 41 is arranged in the testing ports 45, the front end and the rear end of each testing port 45 are respectively provided with a guide plate 46, the top of each guide plate 46 is provided with a roller 47, and each roller 47 is in rotating fit with the top of each guide plate 46; the vertical loading assembly 3 comprises: the left vertical loading mechanism and the right vertical loading mechanism are symmetrically arranged, the left vertical loading mechanism and the right vertical loading mechanism are the same in structure, and the left vertical loading mechanism comprises: the device comprises a portal frame 31, a hydraulic loading device 32, a pressure sensor 33, a beam 34, a guide slider 35, an adjustable limiting frame 36, a limiting frame guide rail 37 and a beam guide rail 38, wherein the portal frame 31 is fixed at the top of a loading support 44, the middle part of the beam at the top of the portal frame 31 is fixedly connected with the top of the hydraulic loading device 32, the hydraulic loading device 32 is provided with the pressure sensor 33, the bottom of the hydraulic loading device 32 is fixedly connected with the middle part of the beam 34, two ends of the beam 34 are respectively provided with the guide slider 35, the end part of the beam 34 is rotationally matched with the end part of the guide slider 35, the guide slider 35 is in sliding fit with the beam guide rail 38 fixed inside a portal frame 31, the side walls at two sides of the portal frame 31 are respectively fixed with the limiting frame guide rail 37, and two ends of the adjustable limiting frame 36 are respectively provided with the slider, the adjustable limiting frame 36 is in sliding fit with the limiting frame guide rail 37 on the corresponding side of the adjustable limiting frame through a sliding block structure 39, the sliding block structure 39 is in locking fit with the limiting frame guide rail 37 through a fixing bolt arranged on the sliding block structure 39, and the lower end of the adjustable limiting frame 36 is in limiting fit with the top of the guide sliding block 35; the transmission assembly to be tested 5 comprises: the damping device comprises a clutch 51, a gearbox 52, a transmission shaft 53, a drive axle 54 and wheels 55, wherein the power input end of the clutch 51 is in transmission fit with the power output end of the driving motor 14, the power output end of the clutch 51 is in transmission fit with the input shaft of the gearbox 52, the output shaft of the gearbox 52 is in transmission fit with the drive axle 54 through the transmission shaft 53, a set of wheels 55 are respectively installed on two sides of the drive axle 54, a plate spring seat at the end part of the drive axle 54 is in compression fit with the middle part of the cross beam 34, and the wheels 55 are in compression fit with the damping rotary drum 41.
Example 2:
example 2 is substantially the same as example 1 except that:
the transmission operating assembly 2 comprises: an analog clutch operating mechanism 21 and an analog shift mechanism 22, the analog clutch operating mechanism 21 including: the power output end of the pedal-operated robot 24 is matched with the control end of the clutch 51 in a transmission way after passing through the clutch pedal 23 and the flexible shaft in sequence; a pressure sensor is arranged at the power output end of the pedal-operated robot 24; the simulated shift mechanism 22 includes: the gear shifting robot comprises a gear shifting operating mechanism 25 and a gear shifting robot 26, wherein a power output rod of the gear shifting robot 26 is in transmission fit with an operating rod of the gear shifting operating mechanism 25 through a sleeve rod 27, the gear shifting operating mechanism 25 is in transmission fit with a gear shifting control end of a gearbox 52, the gear shifting robot 26 is provided with a displacement sensor, and the sleeve rod 27 is provided with a pressure sensor.
Example 3:
example 3 is substantially the same as example 2 except that:
the test device further comprises: and the oil temperature adjusting device 7 is communicated with lubricating oil passages in the gearbox 52 and the drive axle 54 respectively.
Claims (9)
1. The utility model provides an automobile transmission system testing arrangement which characterized in that:
the test device includes: the test device comprises a driving assembly (1), a transmission operating assembly (2), a vertical loading assembly (3), a wheel loading assembly (4) and a transmission assembly to be tested (5), wherein the driving assembly (1) is in transmission fit with a power input end of the transmission assembly to be tested (5), the transmission operating assembly (2) is in transmission fit with a control end of the transmission assembly to be tested (5), the vertical loading assembly (3) is in transmission fit with a driving axle (54) of the transmission assembly to be tested (5), and the wheel loading assembly (4) is in contact with a wheel (55) of the transmission structure to be tested (5).
2. The automotive transmission system testing device according to claim 1, characterized in that:
the driving assembly (1) is arranged on a rail (61) of the metal floor (6), and the bottom of the driving assembly (1) is in sliding fit with the rail (61).
3. A vehicle driveline testing apparatus according to claim 2, wherein:
the driving assembly (1) comprises a movable base (11), a lifting bottom plate (12), an inclination angle fixing plate (13), a driving motor (14) and a gearbox mounting seat (15), wherein the bottom of the movable base (11) is in sliding fit with a rail (61), four lead screws (16) are fixed at the top of the movable base (11), nuts in threaded fit with the lead screws (16) are sleeved on the lead screws (16), the lifting bottom plate (12) is sleeved on the lead screws (16), the bottom of the lifting bottom plate (12) is in limit fit with the nuts on the lead screws (16), two supports (17) are arranged in the middle of the lifting bottom plate (12), two sides of the middle of the inclination angle fixing plate (13) are fixed on the two supports (17), the inclination angle fixing plate (13) is in rotating fit with the supports (17), and angle adjusting nuts (18) are respectively arranged at two ends of the inclination angle fixing plate (13), the lower extreme and the spacing cooperation of lifting bottom plate (12) of angle adjusting nut (18), be fixed with driving motor (14) and gearbox mount pad (15) on inclination fixed plate (13), the power output shaft of driving motor (14) passes gearbox mount pad (15) back and the power input end transmission cooperation of awaiting measuring transmission assembly (5), be provided with moment of torsion tachometric sensor (19) on the power output shaft of driving motor (14).
4. A vehicle driveline testing apparatus according to claim 1, 2 or 3, wherein:
the wheel loading assembly (4) comprises: left wheel loading mechanism and right wheel loading mechanism that bilateral symmetry set up, left wheel loading mechanism is the same with right wheel loading mechanism structure, left wheel loading mechanism includes: the device comprises a damping rotary drum (41), a measuring loading motor (42) and a loading end torque and rotating speed sensor (43), wherein a power output shaft of the measuring loading motor (42) is in transmission fit with the damping rotary drum (41), and the loading end torque and rotating speed sensor (43) is arranged on the power output shaft of the measuring loading motor (42).
5. The automotive transmission system testing device according to claim 4, characterized in that:
the wheel loading assembly (4) further comprises: the loading device comprises a loading support (44), a damping rotary drum (41) is arranged inside the loading support (44), two testing ports (45) are formed in the top of the loading support (44), the upper end of the damping rotary drum (41) is arranged in the testing ports (45), a guide plate (46) is arranged at each of the front end and the rear end of each testing port (45), a roller (47) is arranged at the top of each guide plate (46), and the roller (47) is in rotating fit with the top of each guide plate (46).
6. An automotive transmission system testing device according to claim 5, characterized in that:
the vertical loading assembly (3) comprises: the left vertical loading mechanism and the right vertical loading mechanism are symmetrically arranged, the left vertical loading mechanism and the right vertical loading mechanism are the same in structure, and the left vertical loading mechanism comprises: the device comprises a portal frame (31), a hydraulic loading device (32), a pressure sensor (33), a beam (34), a guide sliding block (35), an adjustable limiting frame (36), a limiting frame guide rail (37) and a beam guide rail (38), wherein the portal frame (31) is fixed at the top of a loading support (44), the middle of a beam at the top of the portal frame (31) is fixedly connected with the top of the hydraulic loading device (32), the hydraulic loading device (32) is provided with the pressure sensor (33), the bottom of the hydraulic loading device (32) is fixedly connected with the middle of the beam (34), two ends of the beam (34) are respectively provided with the guide sliding block (35), the end part of the beam (34) is rotatably matched with the end part of the guide sliding block (35), the guide sliding block (35) is in sliding fit with the beam guide rail (38) fixed in the column of the portal frame (31), the side walls at two sides of the column of the portal frame (31) are respectively fixed with the limiting frame guide rail (, the adjustable limiting frame is characterized in that two ends of the adjustable limiting frame (36) are respectively provided with a sliding block structure (39), the adjustable limiting frame (36) is in sliding fit with a limiting frame guide rail (37) on the corresponding side of the adjustable limiting frame through the sliding block structures (39), the sliding block structures (39) are in locking fit with the limiting frame guide rail (37) through fixing bolts arranged on the sliding block structures, and the lower end of the adjustable limiting frame (36) is in limiting fit with the top of the guide sliding block (35).
7. The automotive transmission system testing device according to claim 6, characterized in that:
the transmission assembly to be tested (5) comprises: the damping device comprises a clutch (51), a gearbox (52), a transmission shaft (53), a drive axle (54) and wheels (55), wherein the power input end of the clutch (51) is in transmission fit with the power output end of a driving motor (14), the power output end of the clutch (51) is in transmission fit with the input shaft of the gearbox (52), the output shaft of the gearbox (52) is in transmission fit with the drive axle (54) through the transmission shaft (53), a set of wheels (55) are respectively installed on two sides of the drive axle (54), a leaf spring seat at the end part of the drive axle (54) is in compression fit with the middle part of a cross beam (34), and the wheels (55) are in compression fit with a damping rotary drum (41).
8. The automotive transmission system testing device according to claim 7, characterized in that:
the transmission operating assembly (2) comprises: a simulated clutch operating mechanism (21) and a simulated gear shifting mechanism (22), the simulated clutch operating mechanism (21) comprising: the power output end of the pedal-operated robot (24) is in transmission fit with the control end of the clutch (51) after passing through the clutch pedal (23) and the flexible shaft in sequence; a pressure sensor is arranged on the power output end of the pedal-operated robot (24);
the simulated gear shift mechanism (22) includes: shift operating device (25) and shift robot (26), the power take off pole of shift robot (26) passes through loop bar (27) and the control lever transmission cooperation of shift operating device (25), shift operating device (25) and the selection of gearbox (52) are traded control end transmission cooperation, shift robot (26) is last from taking displacement sensor, be provided with pressure sensor on loop bar (27).
9. The automotive transmission system testing device according to claim 8, characterized in that:
the test device further comprises: and the oil temperature adjusting device (7) is respectively communicated with lubricating oil passages in the gearbox (52) and the drive axle (54).
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| CN112729822B (en) | 2023-03-21 |
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