CN112557904B - Durability test equipment for wiper motor assembly - Google Patents
Durability test equipment for wiper motor assembly Download PDFInfo
- Publication number
- CN112557904B CN112557904B CN202011580055.6A CN202011580055A CN112557904B CN 112557904 B CN112557904 B CN 112557904B CN 202011580055 A CN202011580055 A CN 202011580055A CN 112557904 B CN112557904 B CN 112557904B
- Authority
- CN
- China
- Prior art keywords
- wiper motor
- motor assembly
- wiper
- adjusting
- torque output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 41
- 238000010168 coupling process Methods 0.000 claims description 41
- 238000005859 coupling reaction Methods 0.000 claims description 41
- 239000012528 membrane Substances 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
Abstract
The invention relates to a durability test device for a wiper motor assembly, which comprises a test switchboard and a test bench, wherein a plurality of clamping tools for clamping the wiper motor assembly and sending test data to the test switchboard are arranged in the test bench, the clamping tools comprise a mounting frame, a positioning mechanism and a braking force simulation mechanism, the positioning mechanism comprises at least two positioning posts, wherein the two positioning posts are respectively and fixedly connected with one mounting lug so as to simulate the state of the wiper motor assembly loaded on an automobile, the braking force simulation mechanism comprises two adjustable torque output devices, and output shafts of the two adjustable torque output devices are respectively and fixedly connected with one wiper rotating shaft, so that the adjustable torque output devices simulate and output friction force generated when a wiper rubs with a windshield, and the simulated friction force numerical signals are sent to the test switchboard.
Description
Technical Field
The invention relates to the field of design and manufacture of wipers, in particular to a wiper motor assembly durability test device.
Background
The windscreen wiper is also called a wiper, a water deflector, a windshield wiper or a windshield wiper, and is a device for brushing and scraping rain drops and dust attached to a windshield of a vehicle, so as to improve visibility of a driver and increase driving safety. Because of legal requirements, automobiles in almost all places are provided with wipers. The rear window of the vehicle such as the hatchback, the recreational vehicle and the like is also provided with a windshield wiper. In addition to automobiles, other transportation means are provided with wipers, such as trains, electric trains, and the like. Some engineering tools, such as crane, are also equipped with windshield wipers.
The wiper motor assembly needs to carry out endurance test before putting into use to guarantee the control accuracy and the accuracy of wiper motor, according to the experimental requirement of new national standard regulation, the wiper needs to operate 150 ten thousand times, and current test process adopts 1 more greatly: 1, detaching the window glass and loading the wiper on the wiper motor assembly for a live-action simulation test, for example, the application number is: 201720187866.7, it discloses a durable test device of windscreen wiper system before car, including rack, water spray mechanism, be used for fixed windscreen wiper motor and the mount pad body of link mechanism assembly before being used for installing, fixed knot constructs and makes windscreen wiper glass and the position of actual operating mode unanimous on it to set up on the rack, water spray structure sets up in the rack top, the mount pad body sets up in the rack front end and makes the mounted position of windscreen wiper motor and link mechanism assembly and the position of actual operating mode unanimous before and, and then carries out test verification to the result of use, the life-span etc. of each spare part under actual operating mode condition, but this kind of test mode has following shortcoming:
1. the windshield through the car is used for detecting the durability of windscreen wiper motor, and its area is big, be difficult for carrying and select windshield when experimental also will bring very big improvement test cost, and the adhesive tape of windshield wiper can wear in long-time test process in the live-action simulation, leads to the force value unstable, and test structure is inaccurate.
2. Because the automobile windscreen wiper motor is used for driving the windscreen wiper to rub and brush the windscreen, the friction force between the windscreen wiper and the glass is different under different rainfall, and the water spraying mechanism is required to be configured in the test system for testing the test data of different friction forces brought under different rainfall, the environment of a test place can be influenced in the mode, meanwhile, the structure is required to be realized with little investment, and if the structure is provided, the windscreen wiper motor can be controlled to generate braking force matched with different rainfall to carry out constraint simulation on the windscreen wiper motor, so that the situation can be avoided.
3. Because the structures of the wiper motor assemblies of different vehicle types are different, the fixed structures of different structures are required to be designed to cooperate with the wiper motor to operate when the wiper motor assembly is tested, and great inconvenience is brought to designers.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides the durability test equipment for the wiper motor assembly, which realizes multi-group unified detection by arranging a plurality of groups of clamping tools, reduces the occupied area, fixes the wiper motor assembly on a mounting frame through a positioning mechanism of the clamping tools, simulates the friction force generated when a windshield wiper rubs with a windshield under different rainfall by a braking force simulation mechanism, further converts the real-scene simulation of the originally large occupied area into the test equipment with small occupied area, stable force value and simple structure, and realizes accurate friction force simulation by a permanent magnet brake through test data carried out by the clamping tools, thereby reducing the test cost, and simultaneously realizes universal adaptation to different types of wiper motor assemblies by a universal adjusting rod, a coupling assembly, a horizontal adjusting assembly, a longitudinal adjusting assembly and front-back adjusting holes.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a windscreen wiper motor assembly durability test equipment, includes test switchboard and is used for carrying out the testboard of test to the windscreen wiper motor assembly including windscreen wiper motor, two installation ear, two windscreen wiper axis of rotation and two pendulum rods, its characterized in that: the test bench is internally provided with a plurality of clamping tools for clamping the wiper motor assembly and sending test data to the test switchboard, the clamping tools comprise a mounting frame, a positioning mechanism and a braking force simulation mechanism, the positioning mechanism comprises at least two positioning columns arranged on the mounting frame, wherein the two positioning columns are respectively fixedly connected with one mounting lug so as to simulate the state that the wiper motor assembly is loaded on an automobile, the braking force simulation mechanism comprises two adjustable torque output devices arranged on the mounting frame, output shafts of the two adjustable torque output devices are respectively fixedly connected with one wiper rotating shaft, so that the adjustable torque output devices simulate and output friction force generated when a wiper rubs with a windshield, and the simulated friction force numerical signals are sent to the test switchboard, and the test switchboard controls the movement force output by the wiper motor, so that the wiper motor drives the wiper rotating shaft to resist the friction force simulated by the adjustable torque output devices and feeds back the running data of the wiper motor to the test switchboard.
By adopting the technical scheme, the test bench is provided with a plurality of groups of clamping tools to realize unified detection, reduce the occupied area and improve the test efficiency, the adjustable torque output equipment in the clamping tools is in communication connection with the test master machine, so that the test master machine can control the adjustable torque output equipment to simulate the friction force generated when the windshield wiper rubs with the windshield in each rainfall, the friction force is used as the braking force of the acting force when the windshield wiper motor drives the windshield rotating shaft to rotate, the test master machine is in communication connection with the windshield wiper motor to control the movement force output by the windshield wiper motor, (namely simulate the low, medium and high three-gear operation mode when the windshield wiper motor is used on a vehicle), the windshield wiper motor drives the windshield wiper rotating shaft to resist the friction force simulated by the adjustable torque output equipment, the time, force value or running times of each rotation of the wiper motor can be recorded through the test switchboard, diversified data acquisition, analysis and detection of test equipment are realized, the wiper motor assembly is fixed in the mounting frame through the positioning column on the positioning mechanism, the wiper motor is enabled not to deviate or vibrate when driving the wiper rotating shaft to rotate, the state of loading the wiper motor assembly on an automobile is simulated, meanwhile, the adjustable torque output equipment can be a hysteresis brake, a magnetic powder brake, a permanent magnet brake and the like through the adjustable torque output equipment, and then the real-scene simulation with overlarge occupied area is converted into test equipment with small occupied area, stable force value and simple structure, and the test data carried out through the clamping tool can realize accurate friction simulation through the adjustable torque output equipment, so that the test cost is reduced.
The durability test device for the wiper motor assembly may further be set as: and a coupling component used for firmly connecting the wiper rotating shaft with the output shaft of the adjustable torque output device to rotate together and transmitting the movement force of the wiper motor and the braking force of the adjustable torque output device is arranged between the output shaft of the adjustable torque output device and the wiper rotating shaft.
By adopting the technical scheme, because axial, radial and angular offset caused by manufacturing errors, installation errors, bearing deformation, temperature rise change and other influences easily exist between the wiper rotating shaft of the wiper motor and the output shaft of the adjustable torque output device, concentricity errors between the wiper rotating shaft of the wiper motor and the output shaft of the adjustable torque output device are caused, so that force value transmission is unstable, accuracy of test data is influenced, a coupling component is arranged between the output shaft and the wiper rotating shaft, the output shaft and the wiper rotating shaft are driven through the coupling component, and braking force generated by the adjustable torque output device can be accurately transmitted to the wiper rotating shaft, so that accuracy of the test data is ensured.
The durability test device for the wiper motor assembly may further be set as: the coupling assembly comprises a first coupling sleeve connected with the output shaft, a second coupling sleeve connected with the windscreen wiper rotating shaft and an elastic membrane arranged between the first coupling sleeve and the second coupling sleeve, wherein one end of the first coupling sleeve and one end of the second coupling sleeve, which are opposite to the elastic membrane, are provided with connecting flanges, a gap is reserved between the two connecting flanges, the elastic membrane is arranged in the gap, and the two connecting flanges are connected with the elastic membrane through fasteners, so that the second coupling sleeve and the first coupling sleeve are coupled through the elastic membrane.
By adopting the technical scheme, through setting up the first coupling sleeve with output shaft and the second coupling sleeve with windscreen wiper rotation axis connection to the elastic diaphragm that sets up between first coupling sleeve and second coupling sleeve, make fastener with first coupling sleeve and second coupling sleeve and elastic diaphragm be connected, the relative displacement when making full use of elastic deformation of elastic diaphragm compensates the coupling assembly rotation motion, and then compensate axial, radial and the angular offset that causes because of manufacturing error, installation error, bear deformation and the influence of temperature rise change between wiper motor and the adjustable moment of torsion output device, guarantee the concentricity of transmission between adjustable moment of torsion output device and the windscreen wiper rotation axis, and then make the braking force that adjustable moment of torsion output device produced can be accurate transfer for the windscreen wiper rotation axis, guarantee test data's accuracy.
The durability test device for the wiper motor assembly may further be set as: one end of the positioning column, which faces the wiper motor assembly, is provided with a universal adjusting rod, one end of the universal adjusting rod is riveted with the positioning column, and the other end of the universal adjusting rod is connected with the wiper motor assembly and limits the movement of the wiper motor assembly through the universal adjusting rod.
By adopting the technical scheme, through universal regulation pole and riveting with the reference column, make universal regulation pole and windscreen wiper motor assembly fixed connection's one end, can make its adaptation windscreen wiper motor assembly of different specifications through the convenient fixed windscreen wiper motor assembly of free rotation, improve the suitability of centre gripping frock.
The durability test device for the wiper motor assembly may further be set as: the adjustable torque output device comprises a mounting rack, and is characterized in that a fixing column is arranged between the adjustable torque output device and the mounting rack, the mounting rack is provided with a horizontal adjusting component corresponding to the positioning column and one end of the fixing column, the horizontal adjusting component comprises adjusting rods corresponding to the positioning column and the fixing column one to one, two ends of each adjusting rod are provided with adjusting sliding blocks, adjusting sliding grooves for the adjusting sliding blocks to slide back and forth are formed in the mounting rack, and the adjusting rods move in the adjusting sliding grooves through the adjusting sliding blocks.
By adopting the technical scheme, through setting up many regulation poles that adjust the spout removal in following the mounting bracket on the mounting bracket, make reference column and fixed column fix the left and right sides that is free on adjusting the pole and remove, and then the windscreen wiper motor assembly of different specifications of adaptation, further improve the suitability of centre gripping frock.
The durability test device for the wiper motor assembly may further be set as: the adjustable torque output device is a permanent magnet brake.
By adopting the technical scheme, the permanent magnet brake has stable torque and is not affected by slip. The torque is unchanged at rest and in rotation. Therefore, the torque is constant from the lowest rotational speed to the highest rotational speed. The permanent magnet brake is not influenced by time, temperature, speed or other systems to change, and compared with a magnetic powder brake, the permanent magnet brake can not cause the magnet to generate heat to cause the torque to change after long-time working, so that the accuracy of test data acquisition is further improved.
The durability test device for the wiper motor assembly may further be set as: the adjustable locking device is characterized in that a longitudinal adjusting component is arranged between the adjusting rod and the positioning column and between the adjusting rod and the fixing column, the longitudinal adjusting component comprises a locking sliding block sleeved on the outer circumferential surface of the adjusting rod, one end of the locking sliding block is connected with the positioning column or the fixing column, and a locking piece for suspending the locking sliding block at any position on the adjusting rod is arranged at the other end of the locking sliding block.
By adopting the technical scheme, the locking slide block is arranged on the adjusting rod, so that the locking slide block drives the positioning column or the fixing column to adjust the upper and lower positions on the adjusting rod, the locking slide block is locked on one position of the adjusting rod through the locking piece, the positioning column or the fixing column can be fixed on any position on the adjusting rod, and then the wiper motor assembly with different specifications is adapted, and the suitability of the clamping tool is further improved.
The durability test device for the wiper motor assembly may further be set as: front and back adjusting holes are formed in the ends, corresponding to the positioning columns and the fixing columns, of the locking sliding blocks, and the positioning columns and the fixing columns penetrate through the front and back adjusting holes.
By adopting the technical scheme, through setting up fore-and-aft regulation hole, make reference column and fixed column homoenergetic adjust the fore-and-aft position of reference column or fixed column through fore-and-aft regulation hole, and then the windscreen wiper motor assembly of different specifications of adaptation, further improve the suitability of centre gripping frock.
The invention is further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a clamping tool according to an embodiment of the invention.
Fig. 3 is a schematic perspective view of the clamping tool according to the embodiment of the invention after removing the mounting frame.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a perspective view of a wiper motor assembly according to an embodiment of the present invention.
Fig. 6 is an enlarged view at a of fig. 3.
Detailed Description
As shown in fig. 1 to 6, the durability test equipment for the wiper motor assembly comprises a test switchboard 9 and a test bench for testing the wiper motor assembly comprising a wiper motor 1, two mounting lugs 12, two wiper rotating shafts 13 and two swinging rods 14, wherein a plurality of clamping tools 8 for clamping the wiper motor assembly and sending test data to the test switchboard are arranged in the test bench, the clamping tools 8 comprise a mounting frame 2, a positioning mechanism and a braking force simulation mechanism, the positioning mechanism comprises three positioning columns 3 arranged on the mounting frame 2, two positioning columns 3 are respectively fixedly connected with one mounting lug 12, the rest positioning columns 3 support a mounting plate 17 of the wiper motor assembly so as to simulate the state that the wiper motor assembly is loaded on an automobile, the braking force simulation mechanism comprises two adjustable torque output devices 4 arranged on a mounting frame 2, wherein output shafts 41 of the two adjustable torque output devices 4 are respectively and fixedly connected with one wiper rotating shaft 13, so that the adjustable torque output devices 4 simulate friction force generated when a wiper rubs against a windshield, and send simulated friction force value signals to a test switchboard 9, the test switchboard 9 controls movement force output by the wiper motor 1, so that the wiper motor 1 drives the wiper rotating shaft 13 to resist the friction force simulated by the adjustable torque output devices 4, operation data of the wiper motor 1 are fed back to the test switchboard 9, the output shafts 41 of the adjustable torque output devices 4 and the wiper rotating shaft 13 are respectively and fixedly connected with the wiper rotating shaft 13 and the output shafts 41 of the adjustable torque output devices 4 to rotate together, the coupling assembly for transmitting the movement force of the wiper motor 1 and the braking force of the adjustable torque output device 4 comprises a first coupling sleeve 51 connected with the output shaft 41, a second coupling sleeve 52 connected with the wiper rotating shaft 13 and an elastic membrane (not identified in the figure) arranged between the first coupling sleeve 51 and the second coupling sleeve 52, one end of the first coupling sleeve 51 and the second coupling sleeve 52, which is opposite to the elastic membrane, is provided with a connecting flange 53, a gap 54 is reserved between the two connecting flanges 53, the elastic membrane is arranged in the gap 54, the two connecting flanges 54 are connected with the elastic membrane through a fastener 55, the second coupling sleeve 52 and the first coupling sleeve 51 finish coupling through the elastic membrane 54, one end of the positioning column 3, which is opposite to the wiper motor assembly, is provided with a universal adjusting rod 31, one end of the universal adjusting rod 31 is riveted with the positioning column 3, the other end of the universal adjusting rod 31 is connected with the wiper motor assembly, the movement of the wiper motor assembly is limited by the universal adjusting rod 31, a fixed column 6 is arranged between the adjustable torque output device 4 and the mounting frame 2, horizontal adjusting components are arranged at one end of the mounting frame 2 corresponding to the positioning column 3 and one end of the fixed column 6, each horizontal adjusting component comprises an adjusting rod 7 which is arranged on the mounting frame 2 and corresponds to the positioning column 3 and the fixed column 6 one by one, two ends of each adjusting rod 7 are provided with adjusting sliding blocks 71, the mounting frame 2 is provided with an adjusting sliding chute 21 for the adjusting sliding blocks 71 to slide back and forth, the adjusting rods 7 move in the adjusting sliding chute 21 through the adjusting sliding blocks 71, the adjustable torque output device 4 is a permanent magnetic brake, longitudinal adjusting components are arranged between the adjusting rods 7 and the positioning column 3 and the fixed column 6, the longitudinal adjusting component comprises a locking slide block 72 sleeved on the outer circumferential surface of the adjusting rod 7, one end of the locking slide block 72 is connected with the positioning column 3 or the fixing column 6, a locking piece 721 for suspending the locking slide block 72 at any position on the adjusting rod 7 is arranged at the other end of the locking slide block, front and rear adjusting holes 722 are formed in the locking slide block 72, corresponding to one ends of the positioning column 3 and the fixing column 6, and the positioning column 3 and the fixing column 6 are arranged in the front and rear adjusting holes 722 in a penetrating mode.
Referring to fig. 5, the wiper motor assembly includes a fixing rod 11 for fixing the wiper motor 1; the two ends of the fixing rod 11 are respectively fixed with a mounting lug 12, in practice, the mounting lugs 12 are mounted on the frame to fix the wiper motor assembly, in the embodiment, the two mounting lugs 12 are required to be fixed in the mounting frame 2 of the wiper motor assembly, and the fixing rod 11 is fixed through a positioning column to realize positioning; two ends of the fixed rod 11 are also hinged with swing rods 14 respectively, the end parts of the two swing rods 14 are hinged through a connecting rod 15, and a parallelogram-like structure is formed among the fixed rod 11, the two swing rods 14 and the connecting rod 15; the hinge joint of the fixed rod 11 and the swing rod 14 is respectively provided with a wiper rotating shaft 13 for installing a wiper, the wiper rotating shaft 13 is fixedly connected with the swing rod 14 coaxially, and the rotating angle of the wiper rotating shaft 13 is equal to the swing angle of the swing rod 14; the output end of the wiper motor 1 is rotatably provided with a driving rod 16, and one end of the driving rod 16 is hinged at the hinge position of one of the swing rods 14 and the connecting rod 15.
When the wiper motor assembly is tested, only the mounting plate 17 and the mounting lug 12 of the wiper motor assembly are fixed in the mounting frame 1 through the positioning column 3, then the two wiper rotating shafts 13 are respectively started with the wiper motor 1, the driving rod 16 swings to drive the swinging rod 14 with the nearest position to be connected with the second coupling sleeve 52, when the wiper motor 1 rotates, the driving rod 16 drives the connecting rod 15 to swing to further drive the swinging rod 14 with the farther position to swing together, so that the two swinging rods 14 are driven to swing (that is, the two wiper rotating shafts 13 and the swinging rod 14 synchronously rotate respectively), and the friction force between the wiper and the windshield is simulated by the braking force generated by the permanent magnetic brake 4 of the wiper rotating shaft 13 connected with the permanent magnetic brake 4, the friction force can be input into the test master 9 after data acquisition, and when the test environment corresponding to the rainfall is required to be simulated, the test switchboard 9 controls the permanent magnet brake 4 to generate corresponding braking force, namely, the friction force between the windshield wiper and the windshield is A value in the small rainy weather, the friction between the windshield wiper and the windshield is B value in the heavy rainy weather, when the durability of the windshield wiper motor 1 in the small rainy weather is required to be tested, the test switchboard 9 only needs to adjust the braking force of the permanent magnet brake 4 to the A value, the test switchboard 9 controls the movement force of the windshield wiper motor 1 to be in a low gear or a middle gear, the test data of the windshield wiper motor assembly in the environment can be simulated, the test switchboard 9 only needs to adjust the braking force of the permanent magnet brake 4 to the B value in the durability of the windshield wiper motor 1 in the heavy rainy weather, the test data of the windshield wiper motor assembly in the environment can be simulated, the durability test can be accurately carried out on the wiper motor assembly in different states by the same.
Claims (8)
1. The utility model provides a windscreen wiper motor assembly durability test equipment, includes test switchboard and is used for carrying out the testboard of test to the windscreen wiper motor assembly including windscreen wiper motor, two installation ear, two windscreen wiper axis of rotation and two pendulum rods, its characterized in that: the test bench is internally provided with a plurality of clamping tools for clamping the wiper motor assembly and sending test data to the test switchboard, the clamping tools comprise a mounting frame, a positioning mechanism and a braking force simulation mechanism, the positioning mechanism comprises at least two positioning columns arranged on the mounting frame, wherein the two positioning columns are respectively fixedly connected with one mounting lug so as to simulate the state that the wiper motor assembly is loaded on an automobile, the braking force simulation mechanism comprises two adjustable torque output devices arranged on the mounting frame, output shafts of the two adjustable torque output devices are respectively fixedly connected with one wiper rotating shaft, so that the adjustable torque output devices simulate and output friction force generated when a wiper rubs with a windshield, and the simulated friction force numerical signals are sent to the test switchboard, and the test switchboard controls the movement force output by the wiper motor, so that the wiper motor drives the wiper rotating shaft to resist the friction force simulated by the adjustable torque output devices and feeds back the running data of the wiper motor to the test switchboard.
2. The wiper motor assembly durability test apparatus according to claim 1, wherein: and a coupling component used for firmly connecting the wiper rotating shaft with the output shaft of the adjustable torque output device to rotate together and transmitting the movement force of the wiper motor and the braking force of the adjustable torque output device is arranged between the output shaft of the adjustable torque output device and the wiper rotating shaft.
3. The wiper motor assembly durability test apparatus according to claim 2, wherein: the coupling assembly comprises a first coupling sleeve connected with the output shaft, a second coupling sleeve connected with the windscreen wiper rotating shaft and an elastic membrane arranged between the first coupling sleeve and the second coupling sleeve, wherein one end of the first coupling sleeve and one end of the second coupling sleeve, which are opposite to the elastic membrane, are provided with connecting flanges, a gap is reserved between the two connecting flanges, the elastic membrane is arranged in the gap, and the two connecting flanges are connected with the elastic membrane through fasteners, so that the second coupling sleeve and the first coupling sleeve are coupled through the elastic membrane.
4. The wiper motor assembly durability test apparatus according to claim 2, wherein: one end of the positioning column, which faces the wiper motor assembly, is provided with a universal adjusting rod, one end of the universal adjusting rod is riveted with the positioning column, and the other end of the universal adjusting rod is connected with the wiper motor assembly and limits the movement of the wiper motor assembly through the universal adjusting rod.
5. The wiper motor assembly durability test apparatus according to any one of claims 1-4 wherein: the adjustable torque output device comprises a mounting rack, and is characterized in that a fixing column is arranged between the adjustable torque output device and the mounting rack, the mounting rack is provided with a horizontal adjusting component corresponding to the positioning column and one end of the fixing column, the horizontal adjusting component comprises adjusting rods corresponding to the positioning column and the fixing column one to one, two ends of each adjusting rod are provided with adjusting sliding blocks, adjusting sliding grooves for the adjusting sliding blocks to slide back and forth are formed in the mounting rack, and the adjusting rods move in the adjusting sliding grooves through the adjusting sliding blocks.
6. The wiper motor assembly durability test apparatus according to any one of claims 1-4 wherein: the adjustable torque output device is a permanent magnet brake.
7. The wiper motor assembly durability test apparatus according to claim 5, wherein: the adjustable locking device is characterized in that a longitudinal adjusting component is arranged between the adjusting rod and the positioning column, the longitudinal adjusting component is arranged between the adjusting rod and the fixing column, the longitudinal adjusting component comprises a locking sliding block sleeved on the outer circumferential surface of the adjusting rod, one end of the locking sliding block is connected with the positioning column or the fixing column, and a locking piece for suspending the locking sliding block at any position on the adjusting rod is arranged at the other end of the locking sliding block.
8. The wiper motor assembly durability test apparatus according to claim 7, wherein: front and back adjusting holes are formed in the ends, corresponding to the positioning columns and the fixing columns, of the locking sliding blocks, and the positioning columns and the fixing columns penetrate through the front and back adjusting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580055.6A CN112557904B (en) | 2020-12-28 | 2020-12-28 | Durability test equipment for wiper motor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580055.6A CN112557904B (en) | 2020-12-28 | 2020-12-28 | Durability test equipment for wiper motor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112557904A CN112557904A (en) | 2021-03-26 |
| CN112557904B true CN112557904B (en) | 2024-01-30 |
Family
ID=75033933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011580055.6A Active CN112557904B (en) | 2020-12-28 | 2020-12-28 | Durability test equipment for wiper motor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112557904B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820001B (en) * | 2021-10-12 | 2023-07-18 | 上海工程技术大学 | Experimental device for be used for testing windscreen wiper and wind window friction vibration noise |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930055A (en) * | 2010-06-24 | 2010-12-29 | 重庆长安汽车股份有限公司 | Device and method for testing load characteristics of wiper motor |
| CN203422455U (en) * | 2013-08-23 | 2014-02-05 | 襄阳达安汽车检测中心 | Wiper motor load testing device for EMC experiment |
| CN105182236A (en) * | 2015-09-18 | 2015-12-23 | 卓越（苏州）自动化设备有限公司 | Device for detecting the performance of a wiper motor of passenger vehicle |
| CN106646238A (en) * | 2017-02-28 | 2017-05-10 | 苏州玛捷特机器人科技有限公司 | Wiper motor assembly test device |
| CN206740370U (en) * | 2017-02-28 | 2017-12-12 | 成都华川电装有限责任公司 | Windscreen wiper system durability test apparatus before automobile |
| CN109870297A (en) * | 2019-03-28 | 2019-06-11 | 合肥工业大学 | A kind of multifunctional integrated experimental bench of vehicle wiper |
| CN110095720A (en) * | 2019-06-17 | 2019-08-06 | 成都华川电装有限责任公司 | Rain shaving electrical machine load testing device |
| JP2019151137A (en) * | 2018-02-28 | 2019-09-12 | 株式会社デンソー | Wiper control unit |
-
2020
- 2020-12-28 CN CN202011580055.6A patent/CN112557904B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930055A (en) * | 2010-06-24 | 2010-12-29 | 重庆长安汽车股份有限公司 | Device and method for testing load characteristics of wiper motor |
| CN203422455U (en) * | 2013-08-23 | 2014-02-05 | 襄阳达安汽车检测中心 | Wiper motor load testing device for EMC experiment |
| CN105182236A (en) * | 2015-09-18 | 2015-12-23 | 卓越（苏州）自动化设备有限公司 | Device for detecting the performance of a wiper motor of passenger vehicle |
| CN106646238A (en) * | 2017-02-28 | 2017-05-10 | 苏州玛捷特机器人科技有限公司 | Wiper motor assembly test device |
| CN206740370U (en) * | 2017-02-28 | 2017-12-12 | 成都华川电装有限责任公司 | Windscreen wiper system durability test apparatus before automobile |
| JP2019151137A (en) * | 2018-02-28 | 2019-09-12 | 株式会社デンソー | Wiper control unit |
| CN111801252A (en) * | 2018-02-28 | 2020-10-20 | 株式会社电装 | Windscreen wiper control device |
| CN109870297A (en) * | 2019-03-28 | 2019-06-11 | 合肥工业大学 | A kind of multifunctional integrated experimental bench of vehicle wiper |
| CN110095720A (en) * | 2019-06-17 | 2019-08-06 | 成都华川电装有限责任公司 | Rain shaving electrical machine load testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112557904A (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112557904B (en) | Durability test equipment for wiper motor assembly | |
| CN112284771B (en) | Fatigue test system and method for vehicle suspension system | |
| CN211178991U (en) | Vehicle dynamometer system | |
| CN212110599U (en) | Automobile tire rotating hub test equipment | |
| CN107247232B (en) | Variable speed motor loading test equipment | |
| US11662274B2 (en) | Wheel acceleration torque system and test equipment for automobile chassis simulation road test | |
| CN114354226A (en) | Suspension system loading system and loading method under simulated real vehicle running condition | |
| CN214041670U (en) | Clamping tool for durability test equipment of wiper motor assembly | |
| CN111175058A (en) | Novel test bed for electric power steering system | |
| CN213275888U (en) | Comprehensive experiment system for three-electric system of new energy automobile | |
| CN113865837B (en) | Trailer traction testing device | |
| CN210322301U (en) | Heavy truck hub bearing testing device | |
| CN110987480A (en) | Driving mechanism for windscreen wiper test | |
| CN220339656U (en) | High-low temperature muddy water endurance test machine for pull rod ball head | |
| CN111811736A (en) | Automobile main reducer assembly oil seal detection test bed | |
| CN219224158U (en) | Test device for steer-by-wire system | |
| CN218886090U (en) | New energy automobile driving motor's testing platform | |
| CN110779734A (en) | Test bench for evaluating intelligent driving auxiliary function of whole vehicle | |
| CN217210821U (en) | Universal tool for durability test of automobile angle sensor | |
| CN215893484U (en) | Railway passenger car bearing axial clearance measuring device | |
| CN211122008U (en) | Novel test bed device of electric power steering system | |
| CN211178983U (en) | Test bench for evaluating intelligent driving auxiliary function of whole vehicle | |
| CN218973844U (en) | Vehicle steering performance test system | |
| CN110608904A (en) | Detection apparatus for tire corner synchronous rate | |
| CN110361203B (en) | Road simulation device for unmanned vehicle test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 6, Ruixin Entrepreneurship Park, Dingshan Phase II, Xincheng Street, Rui'an City, Wenzhou City, Zhejiang Province, 325000 yuan Patentee after: WENZHOU HAOHUA AUTO PARTS Co.,Ltd. Country or region after: Zhong Guo Address before: 325000 Dongshan Street Economic Development Zone, Ruian, Wenzhou, Zhejiang Patentee before: WENZHOU HAOHUA AUTO PARTS Co.,Ltd. Country or region before: Zhong Guo |