A test bench for a train set wiper

Abstract

The application relates to the technical field of wiper devices, in particular to a high-speed train wiper device comprehensive test bench, which comprises a workbench, a control console is fixedly arranged at the top of the workbench, a test box is arranged on one side of the control console, an exhaust port is formed in the side surface of the test box, a driving tool for controlling wiper device swinging is arranged in the test box, a test mechanism for detecting whether the wiper device is qualified or not is arranged above the driving tool; when the air blower is started, the extending end of the air cylinder is in the longest state, the shielding plate is in a horizontal state due to the elastic effect of the spring hinge, at this moment, the piston blocks the output end of the water inlet pipe, high-speed airflow passes through the L-shaped air inlet pipe and is blown out through the nozzle, the driving tool is started, the wiper device swings, the camera can conveniently transmit the swinging data of the wiper device in the high-speed airflow environment to the control console, a real working scene is simulated, and the swinging data accuracy of the wiper device in the working process is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wiper, in particular to a high-speed train wiper comprehensive test bench. BACKGROUND

[0002] The wiper includes a motor, a reducer, a four-bar linkage mechanism, a wiper arm shaft and a wiper blade; when the driver presses the switch of the wiper, the motor is started, the rotation speed of the motor is increased through the torque increasing effect of the worm gear reducer to drive the swing arm, the swing arm drives the four-bar linkage mechanism, the four-bar linkage mechanism drives the rotating shaft on the front panel to swing left and right, and finally the rotating shaft drives the wiper blade to sweep the windshield.

[0003] During the production process of the high-speed train wiper, the quality of the wiper needs to be detected to determine whether it is qualified; the existing swing arm test is detected by pressing the external pressing structure, but the swing arm is subjected to air resistance during the working process, the stress of the swing arm is relatively uniform, which is different from the stress of the prior art, and affects the accuracy of the detection data; at the same time, when the swing arm is detected in the simulated rain environment, the camera used to observe the swing arm motion data is easily eroded by water, which easily affects the subsequent data collection efficiency. SUMMARY

[0004] The technical problem solved by the present application is:

[0005] (1) how to solve the problem that the swing arm is subjected to air resistance during the working process, the stress of the swing arm is relatively uniform, which is different from the stress of the prior art, and affects the accuracy of the detection data;

[0006] (2) how to solve the problem that when the swing arm is detected in the simulated rain environment, the camera used to observe the swing arm motion data is easily eroded by water, which easily affects the subsequent data collection efficiency.

[0007] The purpose of the present application can be achieved by the following technical scheme: a high-speed train wiper comprehensive test bench, comprising a workbench, a control console is fixedly arranged on the top of the workbench, a test box is arranged on one side of the control console, an exhaust port is formed in the side surface of the test box, and a driving tool for controlling the swing of the wiper is arranged in the test box; the driving tool is a prior art, and a test mechanism for detecting whether the wiper is qualified is arranged above the driving tool.

[0008] The test mechanism comprises a transfer cylinder fixedly arranged on the inner wall of the test box, a water inlet pipe is communicated with the side surface of the transfer cylinder, an L-shaped air inlet pipe is arranged on one side of the transfer cylinder, a shielding unit for blocking the exhaust port is arranged on the side of the transfer cylinder away from the L-shaped air inlet pipe, and a water inlet pipe is communicated with the top of the transfer cylinder.

[0009] Further technical improvement of the present application lies in that the output end of the L-shaped air inlet pipe is communicated with a spray head, the spray head is arranged towards the wiper, and the output end of the water delivery pipe is communicated with the end of the L-shaped air inlet pipe close to the spray head.

[0010] Further technical improvement of the present application lies in that the output end of the L-shaped air inlet pipe is communicated with a spray head, the spray head is arranged towards the wiper, and the output end of the water delivery pipe is communicated with the end of the L-shaped air inlet pipe close to the spray head.

[0011] Further technical improvement of the present application lies in that the output end of the L-shaped air inlet pipe is communicated with a spray head, the spray head is arranged towards the wiper, and the output end of the water delivery pipe is communicated with the end of the L-shaped air inlet pipe close to the spray head.

[0012] Further technical improvement of the present application lies in that the output end of the L-shaped air inlet pipe is communicated with a spray head, the spray head is arranged towards the wiper, and the output end of the water delivery pipe is communicated with the end of the L-shaped air inlet pipe close to the spray head.

[0013] Further technical improvement of the present application lies in that the output end of the L-shaped air inlet pipe is communicated with a spray head, the spray head is arranged towards the wiper, and the output end of the water delivery pipe is communicated with the end of the L-shaped air inlet pipe close to the spray head.

[0014] Further technical improvements of the present application are that the top of the test box is fixedly provided with a water storage tank, the bottom of the water storage tank is communicated with the input end of the water inlet pipe, and the top of the test box on one side of the water storage tank is fixedly provided with a blower, and the output end of the blower is communicated with the input end of the L-shaped air inlet pipe.

[0015] Further technical improvements of the present application are that the bottom of the test box is fixedly provided with a water storage tank, the bottom of the water storage tank is communicated with the input end of the water inlet pipe, and the top of the test box on one side of the water storage tank is fixedly provided with a blower, and the output end of the blower is communicated with the input end of the L-shaped air inlet pipe.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] When the blower is turned on, the extension end of the air cylinder is in the longest state, and the baffle is in a horizontal state due to the elastic effect of the spring hinge. At this time, the piston blocks the output end of the water inlet pipe. The high-speed airflow blown out from the blower passes through the L-shaped air inlet pipe, is blown out through the spray head, and is discharged through the exhaust port. Turning on the driving tool makes the wiper swing, so that the camera can transmit the data of the wiper swinging in the high-speed airflow environment to the control console, simulate the real working scene, and ensure the accuracy of the swinging data of the wiper during the working process.

[0018] When the blower is turned on, the extension end of the air cylinder is in the longest state, and the baffle is in a horizontal state due to the elastic effect of the spring hinge. At this time, the piston blocks the output end of the water inlet pipe. The high-speed airflow blown out from the blower passes through the L-shaped air inlet pipe, is blown out through the spray head, and is discharged through the exhaust port. Turning on the driving tool makes the wiper swing, so that the camera can transmit the data of the wiper swinging in the high-speed airflow environment to the control console, simulate the real working scene, and ensure the accuracy of the swinging data of the wiper during the working process. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to facilitate understanding of those skilled in the art, the present application will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 is a schematic diagram of the overall structure of the present application;

[0022] Figure 3 is a schematic diagram of the test mechanism structure of the present application;

[0023] Figure 4 is a schematic diagram of the test mechanism structure of the present application;

[0024] Figure 5Structure diagram of the shielding unit of the application;

[0025] Figure 6 Structure diagram of the shielding unit of the application.

[0026] In the figure: 1, control console; 2, water storage tank; 3, test box; 4, recovery bucket; 5, box door; 6, workbench; 7, control tool; 8, test mechanism; 9, driving tool; 10, recovery pipe; 11, air blower; 12, exhaust port; 81, water inlet pipe; 82, air cylinder; 83, shielding unit; 84, spray head; 85, L-shaped air inlet pipe; 86, water delivery pipe; 87, transfer cylinder; 88, push-pull rod; 89, lever; 831, connecting frame; 832, roller; 833, L-shaped rotating rod; 834, spring hinge; 835, groove; 836, camera; 837, shielding plate; 838, lens; 839, sealing ring. DETAILED DESCRIPTION

[0027] The technical solutions of the application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only some of the embodiments of the application, but not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0028] Please refer to Figures 1-6 The motor train unit windshield comprehensive test bench shown in the figure comprises a workbench 6, and a control console 1 is fixedly arranged on the top of the workbench 6. A test box 3 is arranged on one side of the control console 1. An exhaust port 12 is formed in the side surface of the test box 3. A driving tool 9 for controlling the swing of the windshield is arranged in the test box 3. The driving tool 9 is prior art. A test mechanism 8 for detecting whether the windshield is qualified is arranged above the driving tool 9.

[0029] Please refer to Figure 3 and Figure 4 The test mechanism 8 comprises a transfer cylinder 87 fixedly arranged on the inner wall of the test box 3. The side surface of the transfer cylinder 87 is communicated with a water delivery pipe 86. An L-shaped air inlet pipe 85 is arranged on one side of the transfer cylinder 87. The side of the transfer cylinder 87 away from the L-shaped air inlet pipe 85 is provided with a shielding unit 83 for plugging the exhaust port 12. The top of the transfer cylinder 87 is communicated with a water inlet pipe 81.

[0030] Please refer to Figure 3 The output end of the L-shaped air inlet pipe 85 is communicated with a spray head 84. The spray head 84 is arranged towards the windshield. The output end of the water delivery pipe 86 is communicated with the end of the L-shaped air inlet pipe 85 close to the spray head 84.

[0031] Please refer to Figure 3As shown, the side wall of the test box 3 is fixedly provided with a horizontally arranged air cylinder 82, the extending end of the air cylinder 82 is movably penetrated through the test box 3 and is fixedly connected with a push-pull rod 88, one end of the push-pull rod 88 is movably penetrated through a transfer cylinder 87 and is fixedly provided with a piston, the position of the piston corresponds to the position of the output end of the water inlet pipe 81, and the thickness of the piston is greater than the inner diameter of the water inlet pipe 81; when the air blower 11 is turned on, the extending end of the air cylinder 82 is in the longest state, due to the elastic effect of the spring hinge 834, the shielding plate 837 is in a horizontal state, at this time, the piston blocks the output end of the water inlet pipe 81, the high-speed airflow blown out from the air blower 11 passes through the L-shaped air inlet pipe 85, is blown out through the nozzle 84 and is discharged through the exhaust port 12, the driving tool 9 is turned on, so that the wiper swings, the camera 836 can conveniently transmit the data of the wiper swinging in the high-speed airflow environment to the control console 1, a real working scene is simulated, and the accuracy of the swinging data of the wiper in the working process is ensured.

[0032] Please refer to Figure 3 and Figure 4 As shown, the shielding unit 83 includes a spring hinge 834 fixedly connected with the inner side wall of the test box 3, one end of the spring hinge 834 is fixedly connected with a shielding plate 837, the bottom of the shielding plate 837 is fixedly provided with a sealing ring 839, the position of the sealing ring 839 corresponds to the position of the exhaust port 12, and the back of the shielding plate 837 is fixedly provided with a lens 838.

[0033] Please refer to Figure 3 and Figure 5 As shown, the inner side wall of the test box 3 on one side of the exhaust port 12 is provided with a groove 835, the groove 835 is fixedly provided with an obliquely arranged camera 836, the camera 836 is arranged towards the wiper, the output end of the camera 836 is electrically connected with the input end of the control console 1, the opening of the groove 835 is provided with a rubber ring, and the position of the groove 835 corresponds to the position of the lens 838.

[0034] Please refer to Figure 4 and Figure 5As shown, the top of the inner wall of the test box 3 is rotatably provided with an L-shaped rotating rod 833 through a connecting frame 831, one end of the L-shaped rotating rod 833 is rotatably provided with a roller 832, the roller 832 is rollingly connected with the top of a shielding plate 837, the middle part of the push-pull rod 88 is fixedly provided with a lever 89, and the lever 89 is slidably connected with the middle part of the L-shaped rotating rod 833; by controlling the contraction of the extension end of the air cylinder 82 to the shortest, the piston is separated from the output end of the water inlet pipe 81, so that the clean water in the water storage tank 2 is injected into the spray head 84 through the water delivery pipe 86, and the high-speed airflow containing water is blown towards the wiper and the glass plate through the spray head 84, in this process, the lever 89 provides the power for pressing and turning the L-shaped rotating rod 833, so that the shielding plate 837 is rotated, and the exhaust port 12 is blocked in cooperation with the sealing ring 839, at the same time, the lens 838 shields the groove 835, cooperates with the rubber ring, prevents the erosion of water to the camera 836, and the camera 836 can also observe through the lens 838, simulates the working efficiency and swing data of the wiper in a rainy day environment.

[0035] As shown in Figure 2 and Figure 3 As shown, the top of the test box 3 is fixedly provided with a water storage tank 2, the bottom of the water storage tank 2 is communicated with the input end of the water inlet pipe 81, and the top of the test box 3 on one side of the water storage tank 2 is fixedly provided with a blower 11, and the output end of the blower 11 is communicated with the input end of the L-shaped air inlet pipe 85.

[0036] As shown in Figure 1 As shown above, the outer wall of the test box 3 below the exhaust port 12 is communicated with a recovery pipe 10, and the side of the workbench 6 is fixedly provided with a recovery barrel 4, and the output end of the recovery pipe 10 is located in the inner cavity of the recovery barrel 4.

[0037] As shown in Figure 1 As shown above, the top of the workbench 6 away from the test box 3 is provided with a control tool 7 for testing whether the wiper blade of the wiper is loose, the control tool 7 is prior art, and the front of the test box 3 is hingedly connected with a box door 5.

[0038] As shown in Figure 1 As shown above, the top of the driving tool 9 is also fixedly provided with a glass plate for simulating the windshield of a motor train unit, and the wiper blade of the wiper is in contact with the glass plate.

[0039] Working principle: when the present application is used, first, Figure 1 and Figure 2 As shown, the glass plate and the wiper are fixedly installed on the corresponding parts of the driving tool 9, the box door 5 is closed, the blower 11 is started, and Figure 3 and Figure 5As shown, the extended end of the air cylinder 82 is in the longest state, and the shielding plate 837 is in the horizontal state due to the elasticity of the spring hinge 834. At this time, the piston blocks the output end of the water inlet pipe 81, as shown in Figure 3 and Figure 4 As shown, the high-speed airflow blown out from the air blower 11 passes through the L-shaped air inlet pipe 85, is blown out through the spray head 84, and is discharged through the exhaust port 12. The opening driving tool 9 is opened to make the wiper swing, so that the camera 836 can transmit the data of the wiper swinging in the high-speed airflow environment to the control console 1, simulate the real working scene, and ensure the accuracy of the swinging data of the wiper in the working process. Figure 3 and Figure 5 As shown, when it is necessary to simulate the rainy environment, the extended end of the air cylinder 82 is retracted to the shortest, the piston is separated from the output end of the water inlet pipe 81, the clean water in the water storage tank 2 is injected into the spray head 84 through the water inlet pipe 86, and the high-speed airflow containing water is blown towards the wiper and the glass plate through the spray head 84. In this process, as shown in Figure 4 and Figure 5 As shown, the pressing and turning power of the lever 89 is provided to the L-shaped turning rod 833 to make the shielding plate 837 turn, and the exhaust port 12 is blocked by the sealing ring 839. At the same time, the lens 838 shields the groove 835, cooperates with the rubber ring, prevents the water from eroding the camera 836, and the camera 836 can also observe through the lens 838 to simulate the working efficiency of the wiper and the swinging data of the wiper in the rainy environment.

[0040] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments made according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A motor train vehicle wiper comprehensive test bench, comprising a workbench (6), a control console (1) is fixedly arranged on the top of the workbench (6), characterized in that: One side of the console (1) is provided with a test box (3), the side of the test box (3) is provided with an exhaust port (12), and the inside of the test box (3) is provided with a driving tool (9) for controlling the swing of the wiper, and the upper side of the driving tool (9) is provided with a test mechanism (8) for detecting whether the wiper is qualified. The test mechanism (8) includes a transfer cylinder (87) fixedly arranged on the inner wall of the test box (3), the side of the transfer cylinder (87) is communicated with a water inlet pipe (86), and the side of the transfer cylinder (87) is provided with an L-shaped air inlet pipe (85), the side of the transfer cylinder (87) away from the L-shaped air inlet pipe (85) is provided with a shielding unit (83) for blocking the exhaust port (12), and the top of the transfer cylinder (87) is communicated with a water inlet pipe (81); the shielding unit (83) includes a spring hinge (834) fixedly connected with the inner side wall of the test box (3), one end of the spring hinge (834) is fixedly connected with a shielding plate (837), the bottom of the shielding plate (837) is fixedly provided with a sealing ring (839), the position of the sealing ring (839) corresponds to the position of the exhaust port (12), the back of the shielding plate (837) is fixedly installed with a lens (838), and the inner side wall of the test box (3) on one side of the exhaust port (12) is provided with a groove (835), and the camera (836) is fixedly installed in the groove (835), the camera (836) is arranged towards the wiper, and the output end of the camera (836) is electrically connected with the input end of the console (1), the opening of the groove (835) is provided with a rubber ring, and the position of the groove (835) corresponds to the position of the lens (838).

2. The test bench according to claim 1, characterized in that, The output end of the L-shaped air inlet pipe (85) is communicated with a spray head (84), the spray head (84) is arranged towards the wiper, and the output end of the water inlet pipe (86) is communicated with the end of the L-shaped air inlet pipe (85) close to the spray head (84).

3. The test bench according to claim 1, characterized in that, The side wall of the test box (3) is fixedly installed with a gas cylinder (82), the extending end of the gas cylinder (82) is movably penetrated through the test box (3) and is fixedly connected with a push-pull rod (88), one end of the push-pull rod (88) is movably penetrated through the transfer cylinder (87) and is fixedly installed with a piston, the position of the piston corresponds to the position of the output end of the water inlet pipe (81), and the thickness of the piston is greater than the inner diameter of the water inlet pipe (81).

4. The test bench according to claim 3, characterized in that, The top of the inner wall of the test box (3) is rotatably provided with an L-shaped rotating rod (833), one end of the L-shaped rotating rod (833) is rotatably provided with a roller (832), the roller (832) is rotatably connected with the top of the shielding plate (837), and the middle of the push-pull rod (88) is fixedly provided with a pull rod (89), the pull rod (89) is slidably connected with the middle of the L-shaped rotating rod (833).

5. The test bench according to claim 1, characterized in that, The top of the test box (3) is fixedly provided with a water storage tank (2), the bottom of the water storage tank (2) is communicated with the input end of the water inlet pipe (81), and the top of the test box (3) on one side of the water storage tank (2) is fixedly provided with a blower (11), and the output end of the blower (11) is communicated with the input end of the L-shaped air inlet pipe (85).

6. The test bench according to claim 1, characterized in that, The outer wall of the test box (3) below the exhaust port (12) is communicated with a recovery pipe (10), and the side of the workbench (6) is fixedly provided with a recovery barrel (4), and the output end of the recovery pipe (10) is located in the inner cavity of the recovery barrel (4).

Images