CN111912626A - Durability test device for windscreen wiper - Google Patents
Durability test device for windscreen wiper Download PDFInfo
- Publication number
- CN111912626A CN111912626A CN202010651717.8A CN202010651717A CN111912626A CN 111912626 A CN111912626 A CN 111912626A CN 202010651717 A CN202010651717 A CN 202010651717A CN 111912626 A CN111912626 A CN 111912626A
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- hole
- connecting block
- test device
- bottom plate
- wiper
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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
-
- 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
Abstract
A durability test device for a wiper blade, comprising: a rack, a tray, a load board, and a proximity switch. A plurality of trays are arrayed on the rack, a connecting cable is arranged corresponding to each tray, one end of each connecting cable is connected to the upper computer, the other end of each connecting cable is connected to the plug, and the upper computer can control the swinging frequency of the rotating shaft; the tray comprises a bottom plate, the bottom plate is movably provided with a connecting block A connected with the mounting groove and a connecting block B connected with the through hole, and the positions of the connecting block A and the connecting block B are adjustable; the load plates are provided with a pair of load plates which are respectively connected with the pair of rotating shafts, and weights are detachably arranged on the load plates; the proximity switch is arranged on the bottom plate and located at the limit position of the swinging of the load plate, the load plate is close to the proximity switch every time, the number of times is counted, and finally accumulated times are the number of times of the simulated swinging of the windscreen wiper. The device can be simultaneously used for the endurance test of a plurality of windscreen wipers with various specifications, and is convenient to operate.
Description
Technical Field
The invention belongs to the field of production tests of windscreen wipers, and particularly relates to a durability test device for the windscreen wipers.
Background
The common windscreen wiper comprises a motor, a crank connecting mechanism and a four-bar mechanism, wherein the motor is used for enabling a crank to rotate, the four-bar mechanism swings through the crank connecting mechanism, one side of the four-bar mechanism is a windscreen wiper supporting tube, two connecting points on the windscreen wiper supporting tube are provided with a windscreen wiper rotating shaft, the rotating shaft is driven to swing through the swinging of the four-bar mechanism, so that the windscreen wiper swings to wipe water, and the windscreen wiper supporting tube is usually provided with a mounting groove for mounting the windscreen wiper.
The wiper has more joints in rotary connection, is easy to wear after long-term use, is set with various swing frequencies during use so as to be suitable for scraping rainwater with different sizes, and needs to carry out durability tests on each wiper including the service lives of each rotary joint and a motor and the fatigue strength of each rod piece in order to master the normal service life of the wiper. Most of existing windscreen wiper endurance tests adopt corresponding automobile frames and front windshield glass for each type of windscreen wiper to carry out tests or a special test bed is manufactured for carrying out tests, the customization of the two modes is too strong, the two modes are not easy to popularize and use, the cost of a test device is high, and only one time can be used for carrying out endurance tests on one product.
Disclosure of Invention
The invention provides a durability test device for a windscreen wiper, which is provided with a tray with higher universality and can be used for clamping durability tests of windscreen wipers with various specifications and sizes.
In order to realize the purpose of the invention, the following scheme is adopted:
the utility model provides a be used for wiper endurance test device for wiper assembly's endurance test, wiper assembly includes motor, stay tube, a pair of pivot and mounting groove, the motor is equipped with through-hole and plug, its characterized in that, wiper endurance test device includes: the device comprises a rack, a tray, a load board and a proximity switch;
a plurality of trays are arrayed on the rack, a connecting cable is arranged corresponding to each tray, one end of each connecting cable is connected to an upper computer, the other end of each connecting cable is connected to the plug, and the upper computer can control the swinging frequency of the rotating shaft;
the tray comprises a bottom plate, the bottom plate is movably provided with a connecting block A connected with the mounting groove and a connecting block B connected with the through hole, and the positions of the connecting block A and the connecting block B are adjustable;
the load plates are provided with a pair of load plates which are respectively connected with the pair of rotating shafts, and weights are detachably arranged on the load plates;
the proximity switch is arranged on the bottom plate and is positioned at the swinging limit position of the load plate, wherein the times of detecting that the distance between the load plate and the proximity switch is smaller than or equal to a preset value are the simulation swinging times of the windscreen wiper.
Further, the rack comprises a base and a top plate, and a plurality of springs are uniformly arranged between the base and the top plate.
Further, the tray slope set up in the rack, bottom plate one side is equipped with the hinged-support, the hinged-support articulates in the pillar, leads to the pillar connect in the rack, the side processing of bottom plate has the mounting hole, the rack corresponds the side of mounting hole articulates there is the regulation pole, it has the slot hole to adjust pole processing, locking screw passes the slot hole connect in the mounting hole, locking screw can slide in the slot hole.
Furthermore, the tray is provided with two rows and three rows, the total number is 6, the bottom plates are parallel to each other or are positioned on the same plane, and the heights of the pillars connected with the tray and the adjusting rods in the same row are the same.
Furthermore, the load plate is provided with a spline hole matched with the rotating shaft structure.
Furthermore, the load plate is provided with at least one screw rod, the screw rod can be connected with a plurality of weights, and the screw rod is provided with a butterfly nut.
Further, the bottom plate processing has a plurality of bar holes and spout, the proximity switch activity is located the bar hole.
Furthermore, connecting block A passes through the slider and connects perpendicularly in T type screw rod, T type screw rod slides and locates the spout, the slider can wind T type screw rod rotates, and follows T type screw rod axis removes, connecting block A can rotate around self axis and remove along the axis in the slider.
Further, connecting block B connects in the regulating block, the regulating block is T type structure, is equipped with horizontal adjustment hole and vertical regulation hole, vertical regulation hole perpendicular to the bottom plate, T shape screw pass simultaneously the spout with the horizontal adjustment hole, T shape screw can the spout with the downthehole removal of horizontal adjustment, connecting block B slides and locates vertical regulation hole.
The invention has the beneficial effects that:
1. the invention can be simultaneously used for the endurance tests of a plurality of windscreen wipers with various specifications, and the automobile frame and a special test bed are not used for carrying out the endurance tests, so that the cost of the test device is saved;
2. the base and the top plate of the rack are connected through the spring, so that vibration generated in the running process of an automobile can be simulated, and the endurance test is closer to the use working condition of the windscreen wiper;
3. the trays are obliquely arranged, so that more trays can be arranged in the limited area of the rack, or the space between the trays with the same number is larger, so that the operation is more convenient, and the trays are arranged in two rows and are close to the edge of the rack, so that an operator can conveniently operate the side surfaces of the rack;
4. each tray is provided with an independent connecting cable, the windscreen wiper assemblies on each tray can be independently connected through the upper computer, a plurality of windscreen wipers can be tested simultaneously during testing, and the testing can also be independently performed, so that the invention is more practical.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.
FIG. 1 illustrates one embodiment of the present application;
FIG. 2 illustrates an enlarged partial view of one embodiment of the present application;
FIG. 3 shows a rear side view of the wiper assembly mounted on the tray;
FIG. 4 shows a front side view of a wiper assembly mounted on a tray;
FIG. 5 shows an exploded view of the structure of the tray;
FIG. 6 shows a construction diagram of a load board;
fig. 7 shows an overall view of a wiper blade.
The labels in the figure are: 1-proximity switch, 10-wiper assembly, 11-motor, 111-plug, 12-supporting tube, 13-crank, 14-connecting rod, 15-rotating shaft, 16-mounting groove, 17-through hole, 20-bench, 21-base, 22-top plate, 23-spring, 24-adjusting rod, 241-long hole, 25-locking screw, 26-support, 30-tray, 31-bottom plate, 311-hinged support, 312-mounting hole, 313-strip hole, 314-sliding groove, 32-connecting block A, 321-sliding block, 322-T type screw, 33-connecting block B, 331-adjusting block, 331 a-horizontal adjusting hole, 331B-vertical adjusting hole, 34-T type screw, 40-load plate, 41-weight, 42-spline hole, 43-screw and 44-butterfly nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
As shown in fig. 1 to 6, a durability test apparatus for a wiper blade assembly 10 is used for a durability test. The durability test device for the windscreen wiper comprises: a stage 20, a tray 30, a load board 40, and a proximity switch 1.
To facilitate understanding of the structure and the operation principle of the present invention, as shown in fig. 7, the operation principle of the wiper blade assembly 10 will be further described. The wiper assembly 10 comprises a motor 11, a support tube 12, a pair of rotating shafts 15 and a mounting groove 16, the motor 11 is provided with a through hole 17 and a plug 111, the rotating shafts 15 are provided with external splines and a connecting screw rod, the external splines are used for being connected with a wiper in actual use to prevent slipping and rotating, and the connecting screw rod is used for mounting nuts to lock the wiper. When the windscreen wiper assembly 10 works, the motor 11 drives the crank 13 to rotate, the crank 13 drives the four-bar mechanism to swing around two connecting points of the supporting pipe 12 through the connecting rod 14, and meanwhile, 15 rotating shafts arranged at the two connecting points of the supporting pipe 12 swing together, so that the windscreen wiper is driven to swing to achieve the wiping effect.
Specifically, the stage 20 is mounted to a fixed plane, such as a bottom surface. The rack 20 array has a plurality of trays 30, corresponds every tray 30 and all is equipped with the connecting cable, and the one end of connecting cable is connected in the host computer, and the other end is connected in plug 111, and the host computer can be alone or the rotational speed of the motor 11 of every tray 30 installation of simultaneous control through the control program that predetermines to the swing frequency of control pivot 15, strike off the rainwater of different intensity when adapting to the use.
Preferably, in order to enable the test to be closer to the use working condition of the windscreen wiper, the rack 20 comprises a base 21 and a top plate 22, a plurality of springs 23 are uniformly arranged between the base 21 and the top plate 22, and the springs 23 are driven to shake through vibration in the test so as to simulate the bumping state of the automobile in the driving process.
Specifically, the tray 30 includes a bottom plate 31, the bottom plate 31 is movably provided with a connecting block a32 connected to the mounting groove 16 and a connecting block B33 connected to the through hole 17, because the support tubes 12 of different wipers have different structures, the positions of the mounting groove 16, the positions of the through hole 17, and the included angles between the mounting groove 16 and the axis of the through hole 17 are different, so as to enable the tray 30 to mount wipers of various structures, the positions of the connecting block a32 and the connecting block B33 need to be set to be adjustable structures.
Specifically, the load plate 40 is provided with a pair of load plates, which are respectively connected to the pair of rotating shafts 15, and the load plate 40 is pressed by the cooperation of nuts and connecting screws of the rotating shafts 15. The end of the load plate 40 far away from the rotating shaft 15 is vertically provided with two screws 43, each screw 43 can at least stack 3 round weights 41, and the screws 43 are provided with butterfly nuts 44 in a matching manner, so that the weights 41 are pressed tightly, and the weights 41 are prevented from shaking in the test process. Weights 41 with different weights and quantities are matched according to different actual working condition loads of the windscreen wiper to simulate the load working condition of the windscreen wiper, so that the result of the endurance test is more real and has more referential property.
Preferably, the load plate 40 is provided with splined holes 42 that mate with external splined structure of the shaft 15 to prevent rotation of the load plate 40 relative to the shaft 15 during testing.
Specifically, the proximity switch 1 is disposed on the bottom plate 31, the proximity switch 1 is located at a limit position where the load board 40 swings, the proximity switch 1 is disposed at a limit position of one side of one of the load boards 40, and a plurality of proximity switches 1 may also be disposed at the same time, so as to prevent a counting error caused by damage to a part of the proximity switches 1, the load board 40 counts 1 time when approaching the proximity switch 1 each time, and the finally accumulated number of times is the number of times of simulated swinging of the wiper.
Example 2
Referring to fig. 1-4, the arrangement of the tray 30 is further explained. In order to facilitate the observation of the test process and save the space of the rack 20, the tray 30 is obliquely arranged on the rack 20, one side of the bottom plate 31 is provided with a hinged support 311, the hinged support 311 is hinged on the support post 26, the support post 26 is fixed on the rack 20 by welding or screw connection, the side surface of the bottom plate 31 is provided with a mounting hole 312, the axis of the mounting hole 312 is parallel to the axis of the hinged part of the bottom plate 31, the side surface of the rack 20 corresponding to the mounting hole 312 is hinged with an adjusting rod 24, the adjusting rod 24 can rotate around the hinged axis, and does not need to be locked, the adjusting rod 24 is processed with a long hole 241, the long hole 241 is added along the length direction of the adjusting rod 24, the locking screw 25 passes through the long hole 241 and is connected with the mounting hole 312, the locking screw 25 can slide in the long hole 241, the inclination angle of the bottom plate 31 is adjusted by adjusting the position of the locking screw 25 in the elongated hole 241, when the bottom plate 31 is adjusted to a proper angle, the adjusting rod 24 is locked and fixed with the bottom plate 31 by the locking screw 25.
More specifically, in order to facilitate the assembly and disassembly of the wiper assembly 10, the tray 30 has two rows and three rows, for a total of 6, and the edge of each row is close to the outer side of the stand 20, so that the device is more regular, the bottom plates 31 are parallel to each other or in the same plane, the state shown in fig. 1 is a state where the 6 bottom plates 31 are all in the same inclined plane, the heights of the supporting columns 26 and the adjusting rods 24 connected to the tray 30 in the same row are the same, and the heights of the supporting columns 26 and the adjusting rods 24 of the tray 30 in the next row are higher than those of the tray in the previous.
Example 3
The structure and adjustment of the tray 30 will be briefly described with reference to fig. 5. The bottom plate 31 is a rectangular iron plate or a rectangular steel plate, the thickness of the bottom plate is larger than 15mm, the bottom plate 31 is provided with a plurality of strip-shaped holes 313 and a plurality of parallel sliding chutes 314, the proximity switch 1 is movably arranged in the strip-shaped holes 313 and can be adjusted according to the limit position of the load plate 40, the extension length of the proximity switch 1 can be adjusted, and different height positions of the load plate 40 can be matched through height adjustment.
Connecting block A32 passes through slider 321 and connects in T type screw rod 322 perpendicularly, T type screw rod 322 slides and locates spout 314, T type screw rod 322 bottom is equipped with the nut, accessible nut reaches and is fixed in bottom plate 31, slider 321 can rotate around T type screw rod 322 to and move along T type screw rod 322 axis, thereby realize connecting block A32's rotation and height adjustment, connecting block A32 can rotate around self axis and move along the axis in slider 321, in order to match the different condition of contained angle of mounting groove 16 and through-hole 17 axis.
Connecting block B33 is connected in regulating block 331, regulating block 331 is T type structure, be equipped with horizontal adjustment hole 331a and vertical adjustment hole 331B, vertical adjustment hole 331B is perpendicular to bottom plate 31, T shape screw 34 passes spout 314 and horizontal adjustment hole 331a simultaneously, T shape screw 34 can move in spout 314 and horizontal adjustment hole 331a, adjustment regulating block 331 is for bottom plate 31 position, in order to adapt to the different interval between through-hole 17 and the mounting groove 16, connecting block B33 slides and locates vertical adjustment hole 331B, through the high position of adjusting connecting block B33, in order to adapt to the high position of through-hole 17 bottom surface.
The working principle is as follows: the tray 20 is adjusted to a proper angle by the adjusting rod 24, so that the load board 40 is ensured not to contact with peripheral parts in a swinging range when all the trays 20 are tested. Mounting the windscreen wiper assembly 10, firstly connecting the mounting grooves 16 at two ends with two connecting blocks A32, locking by using screws, locking the sliding blocks 321, fixing the relative positions of the connecting blocks A32 and the T-shaped screw rods 322, and then locking the T-shaped screw rods 322 to fix the relative positions of the T-shaped screw rods 322 and the bottom plate 31; and then the connecting block B33 is connected with the through hole 17, the connecting block B33 is provided with a screw rod, the screw rod penetrates through the through hole 17 and is locked by a nut, the position of the screw rod is realized by moving the adjusting block 331 and the connecting block B33, the connecting block B33 is locked on the adjusting block 331, and finally the adjusting block 331 is locked on the bottom plate 31 by a T-shaped screw 34. The structure and principle of use of each tray 30 is the same. Then connecting the connecting cable corresponding to each tray 30 position with the plug 111, controlling the motor 11 to move through the upper computer, starting the test, recording the swinging times through the proximity switch 1 in the experimental process, controlling the motor 11 to stop working by the upper computer after the preset times are reached, and storing the recorded times in a memory of the upper computer.
The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.
Claims (9)
1. The utility model provides a be used for wiper endurance test device for the endurance test of wiper assembly (10), wiper assembly (10) includes motor (11), stay tube (12), a pair of pivot (15) and mounting groove (16), motor (11) are equipped with through-hole (17) and plug (111), its characterized in that, wiper endurance test device includes: a rack (20), a tray (30), a load board (40) and a proximity switch (1);
the rack (20) is provided with a plurality of trays (30) in an array manner, a connecting cable is arranged corresponding to each tray (30), one end of the connecting cable is connected to an upper computer, the other end of the connecting cable is connected to the plug (111), and the upper computer can control the swinging frequency of the rotating shaft (15);
the tray (30) comprises a bottom plate (31), the bottom plate (31) is movably provided with a connecting block A (32) connected with the mounting groove (16) and a connecting block B (33) connected with the through hole (17), and the positions of the connecting block A (32) and the connecting block B (33) are adjustable;
the load plates (40) are provided with a pair of load plates which are respectively connected with the pair of rotating shafts (15), and weights (41) are detachably arranged on the load plates (40);
the proximity switch (1) is arranged on the bottom plate (31), the proximity switch (1) is located at the limit position of swinging of the load plate (40), and the number of times that the distance between the load plate (40) and the proximity switch (1) is smaller than or equal to a preset value is detected is the simulation swinging number of the windscreen wiper.
2. The durability test device for the wiper blade according to claim 1, wherein the stand (20) comprises a base (21) and a top plate (22), and a plurality of springs (23) are uniformly arranged between the base (21) and the top plate (22).
3. The durability test device for the wiper blade of claim 1, wherein the tray (30) is obliquely installed on the platform (20), a hinge support (311) is installed on one side of the bottom plate (31), the hinge support (311) is hinged to a support (26), the support (26) is connected to the platform (20), a mounting hole (312) is formed on a side surface of the bottom plate (31), an adjusting rod (24) is hinged to a side surface of the platform (20) corresponding to the mounting hole (312), a long hole (241) is formed on the adjusting rod (24), a locking screw (25) passes through the long hole (241) and is connected to the mounting hole (312), and the locking screw (25) can slide in the long hole (241).
4. The durability test device for wiper blades according to claim 3, wherein the trays (30) are provided in two rows and three rows, for a total of 6, and the bottom plates (31) are parallel to each other or in the same plane, and the heights of the pillars (26) and the adjusting rods (24) connected to the trays (30) in the same row are the same.
5. The durability test device for wiper blades according to claim 1, wherein the load plate (40) is provided with a spline hole (42) that is structurally matched with the rotation shaft (15).
6. The durability test device for the wiper blade according to claim 1, wherein the load plate (40) is provided with at least one screw (43), the screw (43) can connect a plurality of weights (41), and the screw (43) is provided with a wing nut (44).
7. The durability test device for the wiper blade according to claim 1, wherein the bottom plate (31) is formed with a plurality of strip-shaped holes (313) and sliding grooves (314), and the proximity switch (1) is movably disposed in the strip-shaped holes (313).
8. The durability test device for the wiper blade according to claim 7, wherein the connecting block A (32) is vertically connected to the T-shaped screw (322) through a sliding block (321), the T-shaped screw (322) is slidably disposed on the sliding groove (314), the sliding block (321) can rotate around the T-shaped screw (322) and move along the axis of the T-shaped screw (322), and the connecting block A (32) can rotate around its axis and move along the axis in the sliding block (321).
9. The durability test device for the wiper blade of claim 7, wherein the connecting block B (33) is connected to an adjusting block (331), the adjusting block (331) is of a T-shaped structure and is provided with a horizontal adjusting hole (331 a) and a vertical adjusting hole (331B), the vertical adjusting hole (331B) is perpendicular to the bottom plate (31), a T-shaped screw (34) penetrates through the sliding groove (314) and the horizontal adjusting hole (331 a) simultaneously, the T-shaped screw (34) can move in the sliding groove (314) and the horizontal adjusting hole (331 a), and the connecting block B (33) is slidably arranged in the vertical adjusting hole (331B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651717.8A CN111912626B (en) | 2020-07-08 | 2020-07-08 | Durability test device for windscreen wiper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651717.8A CN111912626B (en) | 2020-07-08 | 2020-07-08 | Durability test device for windscreen wiper |
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| Publication Number | Publication Date |
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| CN111912626A true CN111912626A (en) | 2020-11-10 |
| CN111912626B CN111912626B (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010651717.8A Active CN111912626B (en) | 2020-07-08 | 2020-07-08 | Durability test device for windscreen wiper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202693347U (en) * | 2012-05-30 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Fixing device of windscreen wiper |
| CN203688231U (en) * | 2013-12-19 | 2014-07-02 | 郑州日产汽车有限公司 | Wiper endurance testing device |
| CN204575321U (en) * | 2015-05-20 | 2015-08-19 | 湖北三江航天万山特种车辆有限公司 | A kind of wiper life test apparatus |
| CN106289752A (en) * | 2016-09-18 | 2017-01-04 | 天津航天瑞莱科技有限公司 | A kind of train wiper life test apparatus |
| CN207798420U (en) * | 2018-01-25 | 2018-08-31 | 北京新能源汽车股份有限公司 | A kind of wiper test-bed |
| CN208584511U (en) * | 2018-06-28 | 2019-03-08 | 上海法雷奥汽车电机雨刮系统有限公司 | Stationary fixture for wiper transmission mechanism |
| 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 |
| CN210347102U (en) * | 2019-08-15 | 2020-04-17 | 苏州苏勃检测技术服务有限公司 | Durability testing equipment suitable for automobile wiper system |
-
2020
- 2020-07-08 CN CN202010651717.8A patent/CN111912626B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693347U (en) * | 2012-05-30 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Fixing device of windscreen wiper |
| CN203688231U (en) * | 2013-12-19 | 2014-07-02 | 郑州日产汽车有限公司 | Wiper endurance testing device |
| CN204575321U (en) * | 2015-05-20 | 2015-08-19 | 湖北三江航天万山特种车辆有限公司 | A kind of wiper life test apparatus |
| CN106289752A (en) * | 2016-09-18 | 2017-01-04 | 天津航天瑞莱科技有限公司 | A kind of train wiper life test apparatus |
| CN207798420U (en) * | 2018-01-25 | 2018-08-31 | 北京新能源汽车股份有限公司 | A kind of wiper test-bed |
| CN208584511U (en) * | 2018-06-28 | 2019-03-08 | 上海法雷奥汽车电机雨刮系统有限公司 | Stationary fixture for wiper transmission mechanism |
| 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 |
| CN210347102U (en) * | 2019-08-15 | 2020-04-17 | 苏州苏勃检测技术服务有限公司 | Durability testing equipment suitable for automobile wiper system |
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| Publication number | Publication date |
|---|---|
| CN111912626B (en) | 2022-08-23 |
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