Automobile wear test bench
By setting up a mechanism for driving the bidirectional screw rotation on the automobile wear test bench, adaptability and scraping experiments to different glass models are achieved, and the problem of insufficient adaptability of traditional test benches to different glass types and sizes is solved, and the accuracy of wiper blade detection is improved.
Patent Information
- Application Number
- CN202420775182.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-16
AI Technical Summary
The traditional automotive wiper blade test bench lacks adaptability to a variety of glass types and sizes, making it difficult to accurately detect the wiper blade’s scraping effect.
An automobile wear test bench was designed, and a driving motor was used to drive the bidirectional screw to rotate, so that the threaded block and the clamping plate were simultaneously away or close, thereby realizing clamping and scraping experiments for different glass models. At the same time, the power mechanism drives the wiper blades on the wiper arm to swing left and right to enhance the accuracy of detection.
The device can adapt to different glass types and sizes, accurately detect the scraping effect and wear resistance of wipers, and improve the accuracy and flexibility of detection.
Smart Images
Figure CN222671623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile manufacturing, in particular to an automobile wear test bench. Background Art
[0002] The automobile wear test bench is mainly used to simulate the wear of automobiles in actual use to evaluate the wear resistance and service life of various parts. On the test bench, wear tests can be performed on a variety of automobile parts, such as chassis, tires and linings, including tests on automobile wiper blades. The automobile wiper blade test bench is a device specially used to test the performance of automobile wiper blades. It simulates the working state of wiper blades in actual use to evaluate key indicators such as the wiping effect, durability, and working stability of wiper blades. On the test bench, a series of rigorous tests can be performed on wiper blades, including wiping frequency, braking, automatic return, durability, etc.
[0003] The existing devices have some disadvantages during use. For example, traditional test benches are often fixed in design and lack adaptability to a variety of different glass types and sizes. This indeed limits the test bench's accurate detection of the wiping effect of wiper blades. It is found during use that the existing automobile wiper blade test benches are mostly complicated to install and difficult to adjust, making it difficult for wiper blades to wipe different glasses, making it difficult to accurately detect the wiping effect of wiper blades. Utility Model Content
[0004] The utility model aims to provide an automobile wear test bench to solve the problem that traditional test benches are often fixed in design and lack adaptability to a variety of different glass types and sizes, which indeed limits the test bench's accurate detection of the wiping effect of wiper blades.
[0005] The utility model provides the following technical solutions: a car wear test bench, comprising a test bench, a test protection frame is fixedly connected to the top of the test bench, the interior of the test bench is a cavity structure, a fixing frame is fixedly connected to the inner top wall of the test bench, a bidirectional screw is rotatably connected to the inner side of the fixing frame, one end of the bidirectional screw passes through the fixing frame and the end is fixedly connected to a driving motor, threaded blocks are threadedly connected to both sides of the bidirectional screw, vertical plates are fixedly connected to the upper end faces of the threaded blocks, clamping plates are fixedly connected to the opposite side walls of the two vertical plates, a vehicle glass is clamped between the two clamping plates, a power mechanism is arranged on the upper end face of the test bench and on one side of the vehicle glass, a wiper arm is connected to the power mechanism, a wiper blade is fixedly connected to the end of the wiper arm away from the power mechanism, and a water supply mechanism for flushing the vehicle glass is arranged on the inner bottom wall of the test bench.
[0006] As a preferred embodiment of the above technical solution, the power mechanism includes a cylinder and a mounting seat fixedly mounted on the test bench, the top of the mounting seat is rotatably connected to the bottom end of the wiper arm via a rotating shaft, the bottom end of the wiper arm is rotatably connected to the same cross bar via a rotating shaft, and one end of the cross bar is fixedly connected to the piston end of the cylinder.
[0007] As a preferred embodiment of the above technical solution, the water supply mechanism includes a pressure pump and a delivery pipe fixedly installed on the inner bottom wall of the test bench, the pressure pump is connected to the middle end of the delivery pipe, the water outlet end of the delivery pipe is connected to a water spray head, the spray port of the water spray head is facing the vehicle glass, and the water inlet end of the delivery pipe is connected to an external water source.
[0008] As a preferred embodiment of the above technical solution, a rectangular sliding opening is horizontally opened at the top of the test bench, and the top of the threaded block vertically extends upward through the rectangular sliding opening and the end is fixedly connected to the lower end surface of the vertical plate.
[0009] As a preferred embodiment of the above technical solution, a waterproof baffle for preventing liquid from flowing out is fixedly connected to the port of the test bench.
[0010] As a preferred embodiment of the above technical solution, door bodies are hinged on both sides of the test protection frame, and the test protection frame and the door bodies are both made of transparent materials.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] In the utility model, a driving motor is arranged to drive the bidirectional screw to rotate, so that the two threaded blocks move away from or closer to each other, so that the threaded blocks drive the clamping plates on the vertical plates to move away from or closer to each other synchronously, and the clamping plates are used to clamp different types of vehicle glasses, so that the device can perform scraping and cleaning experiments on different vehicle glasses, so as to detect the wear resistance of the wiper blade more accurately, and the power mechanism is used to drive the wiper blade on the wiper arm to swing left and right. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional structural schematic diagram of an automobile wear test bench;
[0014] Figure 2 It is a front view structural schematic diagram of an automobile wear test bench;
[0015] Figure 3 It is a partial cross-sectional structural schematic diagram of an automobile wear test bench;
[0016] Figure 4 It is a three-dimensional structural schematic diagram of the power mechanism.
[0017] In the figure: 10, test bench; 101, rectangular slide; 11, test protection frame; 12, waterproof baffle; 13, door body; 20, fixed frame; 21, bidirectional screw; 22, threaded block; 23, vertical plate; 24, clamping plate; 25, drive motor; 26, vehicle glass; 30, wiper arm; 31, wiper blade; 40, cylinder; 41, mounting seat; 42, cross bar; 50, pressure pump; 51, delivery pipeline; 52, sprinkler head. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0019] Example 1
[0020] like Figure 1-4 As shown, the utility model provides a technical solution: a car wear test bench, including a test bench 10, a test protection frame 11 is fixedly connected to the top of the test bench 10, a waterproof baffle 12 for blocking liquid outflow is fixedly connected to the port of the test bench 10, and water overflow is prevented by setting the waterproof baffle 12, door bodies 13 are hinged on both sides of the test protection frame 11, and the test protection frame 11 and the door body 13 are made of transparent materials, and the transparent material can facilitate observers to observe the wiper blade 31, and the interior of the test bench 10 is a cavity structure, and a fixed frame 20 is fixedly connected to the top wall of the test bench 10, and a bidirectional screw 21 is rotatably connected to the inside of the fixed frame 20, one end of the bidirectional screw 21 passes through the fixed frame 20 and the end is fixedly connected to a driving motor 25, and threaded blocks 22 are threadedly connected to both sides of the bidirectional screw 21, and the upper end faces of the threaded blocks 22 are fixedly connected to vertical plates 23, and the two vertical plates 23 are on the opposite side walls. They are fixedly connected with a clamping plate 24, and a vehicle glass 26 is clamped between the two clamping plates 24. A power mechanism is arranged on the upper end surface of the test bench 10 and on one side of the vehicle glass 26. A wiper arm 30 is connected to the power mechanism. A wiper blade 31 is fixedly connected to the end of the wiper arm 30 away from the power mechanism. A water supply mechanism for flushing the vehicle glass 26 is arranged on the inner bottom wall of the test bench 10. During specific use, the bidirectional screw 21 is driven to rotate by a driving motor 25, so that the two threaded blocks 22 move away from or approach each other, so that the threaded blocks 22 drive the clamping plates 24 on the vertical plate 23 to move away from or approach each other synchronously, and the clamping plates 24 are arranged to clamp vehicle glasses 26 of different models, so that the device can perform scraping and washing test operations on different vehicle glasses 26, so as to detect the wear-resistant effect of the wiper blade 31, and the wiper blade 31 on the wiper arm 30 is driven to swing left and right by the power mechanism.
[0021] As an implementation method in this embodiment, Figure 1 and Figure 4As shown, the power mechanism includes a cylinder 40 and a mounting seat 41 fixedly mounted on the test bench 10, the top of the mounting seat 41 is rotatably connected to the bottom end of the wiper arm 30 via a rotating shaft, the bottom end of the wiper arm 30 is rotatably connected to the same cross bar 42 via a rotating shaft, one end of the cross bar 42 is fixedly connected to the piston end of the cylinder 40, during specific use, the cross bar 42 is driven by the arranged cylinder 40 to perform lateral reciprocating motion, and the cross bar 42 drives the bottom end of the wiper arm 30 to change its angle, so that the cross bar 42 drives the wiper blade 31 on the wiper arm 30 to swing left and right.
[0022] As an implementation method in this embodiment, Figure 1 As shown, the water supply mechanism includes a pressure pump 50 and a delivery pipe 51 fixedly installed on the inner bottom wall of the test bench 10. The pressure pump 50 is connected to the middle end of the delivery pipe 51. The water outlet end of the delivery pipe 51 is connected to a water spray head 52. The spray port of the water spray head 52 is toward the vehicle glass 26. The water inlet end of the delivery pipe 51 is connected to an external water source. During specific use, water is sucked by the set pressure pump 50 and transmitted to the delivery pipe 51. The water is transported to the water spray head 52 through the set delivery pipe 51 for spraying, so as to spray water on the vehicle glass 26.
[0023] As an implementation method in this embodiment, Figure 1 As shown, a rectangular sliding opening 101 is horizontally opened at the top of the test bench 10, and the top of the threaded block 22 extends vertically upward through the rectangular sliding opening 101 and the end is fixedly connected to the lower end surface of the vertical plate 23. The threaded block 22 is limited by the set rectangular sliding opening 101 to prevent the threaded block 22 and the bidirectional screw 21 from rotating synchronously, so that the threaded block 22 can move horizontally, and the threads on both sides of the bidirectional screw 21 have opposite rotation directions.
[0024] Working principle: When in use, the driving motor 25 is set to drive the bidirectional screw 21 to rotate, so that the two threaded blocks 22 move away from or close to each other, so that the threaded blocks 22 drive the clamping plates 24 on the vertical plates 23 to move away from or close to each other synchronously, and the clamping plates 24 are used to clamp different types of vehicle glasses 26, so that the device can perform scraping and washing experiments on different vehicle glasses 26 to detect the wear-resistant effect of the wiper blade 31, and the cylinder 40 is set to drive the cross bar 42 to perform lateral reciprocating motion, and the cross bar 42 drives the bottom end of the wiper arm 30 to change the angle, so that the cross bar 42 drives the wiper blade 31 on the wiper arm 30 to swing left and right, and the wiper blade 31 contacts different vehicle glasses 26 to detect the wear-resistant effect of the wiper blade 31.
[0025] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.
Claims
1. An automobile wear test bench, comprising a test bench (10), wherein a test protection frame (11) is fixedly connected to the top of the test bench (10), and characterized in that: The interior of the test bench (10) is a cavity structure. A fixing frame (20) is fixedly connected to the top wall of the test bench (10). A bidirectional screw (21) is rotatably connected to the inside of the fixing frame (20). One end of the bidirectional screw (21) passes through the fixing frame (20) and the end is fixedly connected to a driving motor (25). Both sides of the bidirectional screw (21) are threadedly connected to thread blocks (22). The upper end surfaces of the thread blocks (22) are fixedly connected to vertical plates (23). Clamps (24) are fixedly connected to the opposite side walls of the vertical plate (23), a vehicle glass (26) is sandwiched between the two clamps (24), a power mechanism is arranged on the upper end surface of the test bench (10) and located on one side of the vehicle glass (26), a wiper arm (30) is connected to the power mechanism, and a wiper blade (31) is fixedly connected to the end of the wiper arm (30) away from the power mechanism, and a water supply mechanism for flushing the vehicle glass (26) is arranged on the inner bottom wall of the test bench (10).
2. The automobile wear test bench according to claim 1, characterized in that: The power mechanism comprises a cylinder (40) and a mounting seat (41) fixedly mounted on a test bench (10); the top of the mounting seat (41) is rotatably connected to the bottom end of the wiper arm (30) via a rotating shaft; the bottom ends of the wiper arms (30) are rotatably connected to a same cross bar (42) via a rotating shaft; one end of the cross bar (42) is fixedly connected to a piston end of the cylinder (40).
3. The automobile wear test bench according to claim 1, characterized in that: The water supply mechanism comprises a pressure pump (50) fixedly mounted on the inner bottom wall of the test bench (10) and a delivery pipe (51); the pressure pump (50) is connected to the middle end of the delivery pipe (51); a water spray head (52) is connected to the water outlet end of the delivery pipe (51); a spray port of the water spray head (52) is directed toward the vehicle glass (26); and a water inlet end of the delivery pipe (51) is connected to an external water source.
4. The automobile wear test bench according to claim 1, characterized in that: A rectangular sliding opening (101) is transversely opened at the top of the test bench (10), and the top of the threaded block (22) extends vertically upward through the rectangular sliding opening (101) and the end is fixedly connected to the lower end surface of the vertical plate (23).
5. The automobile wear test bench according to claim 1, characterized in that: A waterproof baffle (12) for preventing liquid from flowing out is fixedly connected to the port of the test bench (10).
6. The automobile wear test bench according to claim 1, characterized in that: Door bodies (13) are hinged on both sides of the test protection frame (11), and the test protection frame (11) and the door body (13) are both made of transparent materials.