CN112557904A - Durability test equipment for wiper motor assembly - Google Patents
Durability test equipment for wiper motor assembly Download PDFInfo
- Publication number
- CN112557904A CN112557904A CN202011580055.6A CN202011580055A CN112557904A CN 112557904 A CN112557904 A CN 112557904A CN 202011580055 A CN202011580055 A CN 202011580055A CN 112557904 A CN112557904 A CN 112557904A
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- wiper motor
- motor assembly
- wiper
- torque output
- adjustable torque
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- 238000012360 testing method Methods 0.000 title claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 16
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 44
- 238000010168 coupling process Methods 0.000 claims description 44
- 238000005859 coupling reaction Methods 0.000 claims description 44
- 230000033001 locomotion Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000002474 experimental method Methods 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
- 238000005507 spraying Methods 0.000 description 2
- 239000002390 adhesive tape Substances 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
- 230000000694 effects Effects 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
- 230000005389 magnetism Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- 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
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- 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 transmitting test data to the test switchboard are arranged in the test bench, each clamping tool comprises a mounting rack, a positioning mechanism and a braking force simulation mechanism, each positioning mechanism comprises at least two positioning columns, the two positioning columns are respectively and fixedly connected with one mounting lug so as to simulate the state that the wiper motor assembly is loaded on an automobile, each braking force simulation mechanism comprises two adjustable torque output devices, output shafts of the two adjustable torque output devices are respectively and fixedly connected with a wiper rotating shaft, so that the adjustable torque output devices simulate and output the friction force generated when the wiper rubs with windshield glasses, and the simulated friction force numerical signals are transmitted to the test switchboard.
Description
Technical Field
The invention relates to the field of design and manufacture of windscreen wipers, in particular to durability test equipment for a windscreen wiper motor assembly.
Background
A wiper, also called a wiper, or a windshield wiper, is a device for wiping off raindrops 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, almost all motor vehicles come with wipers. The rear windows of vehicles such as hatchbacks and recreational vehicles are also equipped with wipers. In addition to automobiles, other transportation means are provided with wipers such as trains, trams, and the like. Some engineering machines, such as cranes, etc., are also equipped with wipers.
The windscreen wiper motor assembly needs to carry out endurance test before putting into service to guarantee the control accuracy and the accuracy of windscreen wiper motor, according to the experimental requirement of new national standard regulation, the windscreen wiper need operate 150 ten thousand times, current testing process greatly adopts 1: 1, the window glass is disassembled, and then the wiper is loaded on a wiper motor assembly to carry out a live-action simulation test, for example, the application number is as follows: 201720187866.7, which discloses a durability test device for automobile front wiper system, comprising a rack, a water spraying mechanism, a fixing structure for fixing windshield glass and a mounting base for mounting the front wiper motor and the link mechanism assembly, wherein the fixing structure is arranged on the rack and makes the position of the windshield glass mounted on the fixing structure consistent with the position of the actual working condition, the water spraying structure is arranged above the rack, the mounting base is arranged at the front end of the rack and makes the mounting position of the front wiper motor and the link mechanism assembly consistent with the position of the actual working condition, so as to test and verify the use effect, service life and the like of each part under the actual working condition, but the test mode has the following disadvantages:
1. the windshield through the car is used for detecting the durability of windscreen wiper motor, and its area is big, difficult transport during the experiment and select for use windshield also will bring very big improvement test cost, and the adhesive tape of windshield wiper can wear and tear in long-time test process in the outdoor scene simulation, leads to the power value unstable, and the test structure is not accurate.
2. Because car windscreen wiper motor is used for driving the windscreen wiper and rubs the brush of scraping to windshield, the frictional force between its windscreen wiper and the glass is also different under different rainfall, for the experimental data of the different frictional force that brings under the different rainfall of experiment, need dispose the water spray mechanism in test system, the environment in experimental place can be influenced promptly to this kind of mode, need invest into simultaneously not little expense and realize this structure, if there is the braking force that can control the windscreen wiper production and match with different rainfall to carry out the restraint simulation to the windscreen wiper motor, just can avoid this condition.
3. Because the windscreen wiper motor assembly structures of different motorcycle types are all different, when testing the windscreen wiper motor assembly, the fixed structure with different structures needs to be designed to be matched with the windscreen wiper motor for operation, and great inconvenience is brought to designers.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art is not enough, and provides a durability test device for a 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 by a positioning mechanism of the clamping tools, simulates the friction force generated when a wiper rubs with a windshield glass under different rainfall by a braking force simulation mechanism, further converts the actual scene simulation of overlarge original occupied area into the test device with small occupied area, stable force value and simple structure, realizes accurate friction force simulation by a permanent magnet brake through the test data of the clamping tools, reduces the test cost, and realizes universal adaptation to wiper motor assemblies of different specifications by a universal adjusting rod, a coupling component, a horizontal adjusting component, a longitudinal adjusting component and a front and back adjusting hole, the windscreen wiper motor assembly with the clamping tool can test windscreen wiper motor assemblies of different models.
In order to achieve the purpose, the invention provides the following technical scheme: windscreen wiper motor assembly durability test equipment, including experimental switchboard with be used for carrying out the testboard of testing, its characterized in that to the windscreen wiper motor assembly including windscreen wiper motor, two installation ears, two windscreen wiper axis of rotation and two pendulum rods: the test bench is internally provided with a plurality of clamping tools for clamping the wiper motor assembly and transmitting test data to the test switchboard, each clamping tool comprises a mounting rack, a positioning mechanism and a braking force simulation mechanism, each positioning mechanism comprises at least two positioning columns arranged on the mounting rack, the two positioning columns are respectively and fixedly connected with one mounting lug so as to simulate the state that the wiper motor assembly is loaded on an automobile, each braking force simulation mechanism comprises two adjustable torque output devices arranged on the mounting rack, the 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 the friction force generated when the wiper rubs with the windshield glass, and transmit the simulated friction force numerical signals to the test switchboard, and the test switchboard controls the motion force output by the wiper motor, the wiper motor drives the wiper rotating shaft to confront with the friction force simulated by the adjustable torque output equipment, and the operation data of the wiper motor is fed back to the test switchboard.
By adopting the technical scheme, a plurality of groups of clamping tools are arranged on the test board, so that the unified detection of a plurality of groups is realized, the occupied area is reduced, the test efficiency is improved, the adjustable torque output equipment in the clamping tools is in communication connection with the test switchboard, the test switchboard can control the adjustable torque output equipment to simulate the friction force generated when the wiper rubs with the windshield glass in each rainfall, the friction force is used as the braking force of the acting force when the wiper motor drives the wiper rotating shaft to rotate, the test switchboard is in communication connection with the wiper motor, so that the test switchboard can control the motion force output by the wiper motor (namely, the low, medium and high three-gear operation modes when the wiper motor is used on a vehicle are simulated), the wiper motor drives the wiper rotating shaft to oppose the friction force simulated by the adjustable torque output equipment, and the time, force value or operation frequency of each rotation of the wiper motor can be recorded by the test switchboard, realize test equipment's diversified data acquisition analysis and detection, fix windscreen wiper motor assembly in the mounting bracket through the reference column on the positioning mechanism, can not take place skew or vibrations when making windscreen wiper motor drive windscreen wiper axis of rotation, simulate the state that windscreen wiper motor assembly loaded on the car, simulate out adjustable torque output equipment wherein simultaneously through adjustable torque output equipment can be hysteresis brake, magnetic brake, permanent magnetism stopper etc, and then trun into the too big outdoor scene simulation of area originally into area for area little, the power value is stable, simple structure's test equipment, and the test data that goes on through this centre gripping frock can realize accurate frictional force simulation through adjustable torque output equipment, reduce test cost.
The durability test equipment for the wiper motor assembly can be further set as follows: and a coupling component for firmly connecting the wiper rotating shaft and the output shaft of the adjustable torque output equipment together to rotate and transmitting the movement force of the wiper motor and the braking force of the adjustable torque output equipment is arranged between the output shaft of the adjustable torque output equipment and the wiper rotating shaft.
Adopt above-mentioned technical scheme, because there is easily because manufacturing error between the windscreen wiper axis of rotation of wiper motor and adjustable torque output equipment's the output shaft, installation error, bear the axial that arouses such as the influence that warp and temperature rise change, radial and angular offset, make the concentricity mistake between the windscreen wiper axis of rotation of wiper motor and the output shaft of adjustable torque output equipment, lead to the force value transmission unstable, influence the exactness of test data, so set up the coupling subassembly between output shaft and windscreen wiper axis of rotation, make output shaft and windscreen wiper axis of rotation transmit through the coupling subassembly, and then make the braking force ability accurate transmission that adjustable torque output equipment produced give the windscreen wiper axis of rotation, guarantee the accurate of test data.
The durability test equipment for the wiper motor assembly can be further set as follows: the coupling subassembly includes the first coupling sleeve with output shaft, the second coupling sleeve with windscreen wiper pivot axis connection and sets up the elastic diaphragm between first coupling sleeve and second coupling sleeve, first coupling sleeve is equipped with flange to elastic diaphragm's one end with the second coupling sleeve, has the clearance between two flanges, elastic diaphragm set up in the clearance, and two flanges are connected through the fastener with elastic diaphragm, make second coupling sleeve and first coupling sleeve accomplish the coupling through elastic diaphragm.
By adopting the technical scheme, the first coupling sleeve connected with the output shaft and the second coupling sleeve connected with the wiper rotating shaft are arranged, the elastic diaphragm is arranged between the first coupling sleeve and the second coupling sleeve, the first coupling sleeve and the second coupling sleeve are connected with the elastic diaphragm by the fastening piece, the relative displacement of the coupling assembly during the rotating motion is compensated by fully utilizing the elastic deformation of the elastic diaphragm, and further the axial, radial and angular offsets caused by manufacturing errors, installation errors, bearing deformation, temperature rise change and the like between the wiper motor and the adjustable torque output equipment are compensated, the transmission concentricity between the adjustable torque output equipment and the wiper rotating shaft is ensured, the braking force generated by the adjustable torque output equipment can be accurately transmitted to the wiper rotating shaft, and the accuracy of test data is ensured.
The durability test equipment for the wiper motor assembly can be further set as follows: the one end of reference column towards windscreen wiper motor assembly is equipped with universal adjusting lever, universal adjusting lever one end and reference column riveting, the other end is connected with windscreen wiper motor assembly to restrict windscreen wiper motor assembly through universal adjusting lever and remove.
By adopting the technical scheme, the universal adjusting rod is riveted with the positioning column, so that the universal adjusting rod and one end of the wiper motor assembly are fixedly connected, the wiper motor assembly can be conveniently and fast fixed through free rotation, the wiper motor assembly can be adapted to wiper motor assemblies of different specifications, and the adaptability of the clamping tool is improved.
The durability test equipment for the wiper motor assembly can be further set as follows: be equipped with the fixed column between adjustable moment of torsion output equipment and the mounting bracket, the mounting bracket corresponds reference column and fixed column one end and all is equipped with horizontal adjustment subassembly, horizontal adjustment subassembly including set up on the mounting bracket with the regulation pole of reference column and fixed column one-to-one, it is equipped with adjust the slider to adjust the pole both ends, be equipped with the confession on the mounting bracket adjust the gliding regulation spout of slider round trip, it passes through to adjust the pole adjust the slider removes in adjusting the spout.
Adopt above-mentioned technical scheme, through set up many regulation poles of adjusting the spout removal in following the mounting bracket on the mounting bracket, make reference column and fixed column fix and remove about freely on adjusting the pole, and then the windscreen wiper motor assembly of the different specifications of adaptation, further improve the suitability of centre gripping frock.
The durability test equipment for the wiper motor assembly can be further set as follows: 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 influenced by slip. The torque is constant at rest and rotation. Therefore, the torque is always constant from the lowest rotation speed to the highest rotation speed. The magnetic powder brake is not influenced by time, temperature, speed or other systems to change, and compared with a magnetic powder brake, the permanent magnet brake does not generate heat of a magnet to cause torque change after working for a long time, and the accuracy of test data acquisition is further improved.
The durability test equipment for the wiper motor assembly can be further set as follows: all be equipped with vertical adjusting part between regulation pole and reference column and the fixed column, vertical adjusting part establishes the locking slider on adjusting the pole outer peripheral face including the cover, locking slider one end is connected with reference column or fixed column, and the other end is equipped with the retaining member that hovers locking slider optional position on adjusting the pole.
Adopt above-mentioned technical scheme, through setting up locking slide on adjusting the pole, make locking slide drive reference column or fixed column adjust upper and lower position on adjusting the pole to locking slide is in adjusting pole a department through the retaining member and locks, makes reference column or fixed column can fix arbitrary department on adjusting the pole, and then the windscreen wiper motor assembly of the different specifications of adaptation, further improves the suitability of centre gripping frock.
The durability test equipment for the wiper motor assembly can be further set as follows: the locking slider corresponds the one end of reference column and fixed column and has all seted up the fore-and-aft regulation hole, reference column and fixed column wear to establish in the fore-and-aft regulation hole.
Adopt above-mentioned technical scheme, through setting up the 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 the fore-and-aft regulation hole, and then the windscreen wiper motor assembly of the 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 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 the mounting frame is removed.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a schematic perspective view of a wiper motor assembly according to an embodiment of the present invention.
Fig. 6 is an enlarged view of fig. 3 at a.
Detailed Description
As shown in fig. 1-6, the durability test device 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 oscillating bars 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, each clamping tool 8 comprises a mounting rack 2, a positioning mechanism and a braking force simulation mechanism, the positioning mechanism comprises three positioning columns 3 arranged on the mounting rack 2, two of the positioning columns 3 are respectively and fixedly connected with one of the mounting lugs 12, the remaining one of the positioning columns 3 supports a mounting plate 17 of the wiper motor assembly to simulate the state that the wiper motor assembly is loaded on a vehicle, the braking force simulation mechanism comprises two adjustable torque output devices 4 arranged on the mounting rack 2, the output shafts 41 of the two adjustable torque output devices 4 are respectively fixedly connected with the wiper rotating shaft 13, so that the adjustable torque output devices 4 simulate the friction force generated when the wiper rubs with the windshield glass, and send the simulated friction force numerical value signal to the test switchboard 9, the test switchboard 9 controls the movement force output by the wiper motor 1, so that the wiper motor 1 drives the wiper rotating shaft 13 to confront the friction force simulated by the adjustable torque output devices 4, and feeds back the operation data of the wiper motor 1 to the test switchboard 9, a coupling assembly used for firmly coupling the wiper rotating shaft 13 and the output shafts 41 of the adjustable torque output devices 4 together to rotate and transmitting the movement force of the wiper motor 1 and the braking force of the adjustable torque output devices 4 is arranged between the output shafts 41 of the adjustable torque output devices 4 and the wiper rotating shaft 13, the shaft coupling component comprises a first shaft coupling sleeve 51 connected with the output shaft 41, a second shaft coupling sleeve 52 connected with the wiper rotating shaft 13, and an elastic diaphragm (not marked in the figure) arranged between the first shaft coupling sleeve 51 and the second shaft coupling sleeve 52, wherein one end of the elastic diaphragm of the first shaft coupling sleeve 51 and the second shaft coupling sleeve 52 is provided with a connecting flange 53, a gap 54 is reserved between the two connecting flanges 53, the elastic diaphragm is arranged in the gap 54, the two connecting flanges 54 are connected with the elastic diaphragm through a fastener 55, so that the second shaft coupling sleeve 52 and the first shaft coupling sleeve 51 are coupled through the elastic diaphragm 54, one end of the positioning column 3 facing 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, and the movement of the wiper motor assembly is limited through the universal adjusting rod, a fixed column 6 is arranged between the adjustable torque output equipment 4 and the mounting frame 2, horizontal adjusting components are arranged at one ends of the mounting frame 2 corresponding to the positioning column 3 and 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, adjusting sliders 71 are arranged at two ends of each adjusting rod 7, an adjusting chute 21 for the adjusting sliders 71 to slide back and forth is arranged on the mounting frame 2, each adjusting rod 7 moves in the adjusting chute 21 through the adjusting slider 71, the adjustable torque output equipment 4 is a permanent magnet brake, longitudinal adjusting components are arranged between each adjusting rod 7 and the positioning column 3 and the fixed column 6, each longitudinal adjusting component comprises a locking slider 72 which is sleeved on the outer peripheral surface of the adjusting rod 7, one end of each locking slider 72 is connected with the, the other end is provided with a locking part 721 for hovering the locking sliding block 72 at any position on the adjusting rod 7, a front-back adjusting hole 722 is formed in one end of the locking sliding block 72 corresponding to the positioning column 3 and the fixing column 6, and the positioning column 3 and the fixing column 6 are arranged in the front-back adjusting hole 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 fixed 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 need to be fixed in the mounting frame 2 of the wiper motor assembly, and the fixed rod 11 is fixed through a positioning column to realize positioning; two ends of the fixed rod 11 are respectively hinged with a swing rod 14, 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 hinged parts of the fixed rod 11 and the swing rod 14 are respectively provided with a wiper rotating shaft 13 for mounting a wiper, the wiper rotating shaft 13 is coaxially and fixedly connected with the swing rod 14, 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 swing rod 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 swing rod 14 closest to the 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 so as to drive the swing rod 14 farther from the position to swing together, thereby driving the two swing rods 14 to swing (namely the two wiper rotating shafts 13 and the swing rods 14 synchronously rotate respectively), and the wiper rotating shaft 13 connected with the permanent magnet brake 4 simulates the friction force between the wiper and the windshield glass due to the braking force generated by the permanent magnet brake 4, and the friction force can be recorded into the test host 9 after data acquisition, when the test environment corresponding to the rainfall needs 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 glass in light rain weather is A value, the friction force between the windshield wiper and the windshield glass in heavy rain weather is B value, when the durability of the wiper motor 1 in rainy weather needs to be tested, only the braking force of the permanent magnet brake 4 needs to be adjusted to the value A, the test switchboard 9 controls the movement force of the wiper motor 1 to be in a low gear or a middle gear, so that test data of the wiper motor assembly in the environment can be simulated, in the test of the durability of the wiper motor 1 in the rainstorm weather, only the braking force of the permanent magnet brake 4 is adjusted to the value B, the test switchboard 9 controls the movement force of the wiper motor 1 to be in a middle gear or a high gear, so that test data of the wiper motor assembly in the environment can be simulated, by analogy, the durability test can be accurately carried out on the wiper motor assembly in different states.
Claims (8)
1. Windscreen wiper motor assembly durability test equipment, including experimental switchboard with be used for carrying out the testboard of testing, its characterized in that to the windscreen wiper motor assembly including windscreen wiper motor, two installation ears, two windscreen wiper axis of rotation and two pendulum rods: the test bench is internally provided with a plurality of clamping tools for clamping the wiper motor assembly and transmitting test data to the test switchboard, each clamping tool comprises a mounting rack, a positioning mechanism and a braking force simulation mechanism, each positioning mechanism comprises at least two positioning columns arranged on the mounting rack, the two positioning columns are respectively and fixedly connected with one mounting lug so as to simulate the state that the wiper motor assembly is loaded on an automobile, each braking force simulation mechanism comprises two adjustable torque output devices arranged on the mounting rack, the 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 the friction force generated when the wiper rubs with the windshield glass, and transmit the simulated friction force numerical signals to the test switchboard, and the test switchboard controls the motion force output by the wiper motor, the wiper motor drives the wiper rotating shaft to confront with the friction force simulated by the adjustable torque output equipment, and the operation data of the wiper motor is fed back to the test switchboard.
2. The wiper motor assembly durability test apparatus of claim 1 wherein: and a coupling component for firmly connecting the wiper rotating shaft and the output shaft of the adjustable torque output equipment together to rotate and transmitting the movement force of the wiper motor and the braking force of the adjustable torque output equipment is arranged between the output shaft of the adjustable torque output equipment and the wiper rotating shaft.
3. The wiper motor assembly durability test apparatus of claim 2 wherein: the coupling subassembly includes the first coupling sleeve with output shaft, the second coupling sleeve with windscreen wiper pivot axis connection and sets up the elastic diaphragm between first coupling sleeve and second coupling sleeve, first coupling sleeve is equipped with flange to elastic diaphragm's one end with the second coupling sleeve, has the clearance between two flanges, elastic diaphragm set up in the clearance, and two flanges are connected through the fastener with elastic diaphragm, make second coupling sleeve and first coupling sleeve accomplish the coupling through elastic diaphragm.
4. The wiper motor assembly durability test apparatus of claim 2 wherein: the one end of reference column towards windscreen wiper motor assembly is equipped with universal adjusting lever, universal adjusting lever one end and reference column riveting, the other end is connected with windscreen wiper motor assembly to restrict windscreen wiper motor assembly through universal adjusting lever and remove.
5. The wiper motor assembly durability test apparatus according to any one of claims 1 to 4, characterized in that: be equipped with the fixed column between adjustable moment of torsion output equipment and the mounting bracket, the mounting bracket corresponds reference column and fixed column one end and all is equipped with horizontal adjustment subassembly, horizontal adjustment subassembly including set up on the mounting bracket with the regulation pole of reference column and fixed column one-to-one, it is equipped with adjust the slider to adjust the pole both ends, be equipped with the confession on the mounting bracket adjust the gliding regulation spout of slider round trip, it passes through to adjust the pole adjust the slider removes in adjusting the spout.
6. The wiper motor assembly durability test apparatus according to any one of claims 1 to 4, characterized in that: the adjustable torque output device is a permanent magnet brake.
7. The wiper motor assembly durability test apparatus of claim 5 wherein: all be equipped with vertical adjusting part between regulation pole and reference column and the fixed column, vertical adjusting part establishes the locking slider on adjusting the pole outer peripheral face including the cover, locking slider one end is connected with reference column or fixed column, and the other end is equipped with the retaining member that hovers locking slider optional position on adjusting the pole.
8. The wiper motor assembly durability test apparatus of claim 7 wherein: the locking slider corresponds the one end of reference column and fixed column and has all seted up the fore-and-aft regulation hole, reference column and fixed column wear to establish in the fore-and-aft regulation hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011580055.6A CN112557904B (en) | 2020-12-28 | 2020-12-28 | Durability test equipment for wiper motor assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011580055.6A CN112557904B (en) | 2020-12-28 | 2020-12-28 | Durability test equipment for wiper motor assembly |
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| CN112557904A true CN112557904A (en) | 2021-03-26 |
| CN112557904B CN112557904B (en) | 2024-01-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820001A (en) * | 2021-10-12 | 2021-12-21 | 上海工程技术大学 | Experimental device for be used for testing windscreen wiper and wind window friction vibration noise |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113820001A (en) * | 2021-10-12 | 2021-12-21 | 上海工程技术大学 | Experimental device for be used for testing windscreen wiper and wind window friction vibration noise |
| 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 |
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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 |