Automatic mechanism test board

Abstract

The utility model discloses an automatic mechanism testboard. A testboard frame body comprises a testboard surface and a support below the testboard surface. A suspension beam mechanism is installed on the test table top, the suspension beam mechanism and the two simulation doors are connected in a dovetail groove mode and locked through rapid locking pins, and the two simulation doors can move along a top beam of a suspension beam; the door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly are respectively connected with the simulation door, and a console respectively connected with the door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly is arranged on one side of the suspension beam mechanism; and an electrical cabinet and a storage cabinet are arranged in the bracket below the table top. According to the utility model, the whole vehicle door test system can be integrated, and the test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an automatic mechanism test bench used in the field of rail transit vehicle door testing. Background Art

[0002] When rail transit is in operation, the functionality and safety of the door mechanism are an important part of daily operation and are related to the personal safety of passengers. Therefore, the door mechanism needs to undergo comprehensive functional testing during the production process and before leaving the factory.

[0003] The mechanism test bench is mainly used for multiple functional tests of the door screw mechanism after assembly, which mainly include system pressure resistance test, door opening and closing time test, door anti-pinch function test vehicle, and door opening and closing push-pull force test. The functional test of the mechanism test bench is used to check whether the product functions normally and ensure the quality of the product. The mechanism test bench currently used is mainly used to carry the door mechanism. The test requires a lot of personnel to participate. The interference factors of the test will be affected by human factors. At the same time, the numerous test steps also increase the workload of the personnel, reduce the efficiency of the functional test, and affect the production cycle of the entire product. The current common test method is to use simple test tools and instruments, combined with manual recording, visual inspection, etc. to perform functional tests on the content to be tested, manually control the start and end of the test tool, manually record the test data, and have the quality personnel organize and upload the test data. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and to provide an automatic mechanism test bench that can integrate the entire vehicle door test system and improve test efficiency.

[0005] A technical solution to achieve the above object is: an automatic mechanism test bench, including a test bench frame body, the test bench frame body including a test table, and a bracket under the table;

[0006] A suspension beam mechanism is installed on the test table. The suspension beam mechanism and the two simulated doors are connected by dovetail grooves and locked by quick locking pins. The two simulated doors can move along the top beam of the suspension beam. The door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly are connected to the simulated doors respectively. A control console is provided on one side of the suspension beam mechanism, which is connected to the door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly respectively.

[0007] An electrical cabinet and a storage cabinet are provided in the bracket below the table.

[0008] Furthermore, a protective cover is installed on the outside of the suspension beam mechanism to limit foreign objects from entering the test range during the test.

[0009] Furthermore, the protective cover is provided with a sliding door.

[0010] Furthermore, a safety grating is provided on the front of the test bench.

[0011] Furthermore, the door opening and closing test component is connected to the simulated door using a non-contact limit position sensing method; the obstacle test component adopts a lever mechanism, and a small-stroke cylinder drives the anti-pinch block to move with a large stroke and is arranged on the simulated door; the push-pull force test component adopts the synchronous locking principle, so that the motor module drives the simulated door to open and close synchronously and is connected to the simulated door.

[0012] Furthermore, the suspension beam mechanism is fixed on the test table by a contour-limited quick-clamp locking method.

[0013] Furthermore, a display screen is provided above the console.

[0014] The utility model has the following advantages and technical effects:

[0015] 1: Reduce employees’ workload, reduce text work time, and improve efficiency;

[0016] 2: The operation is visual and clear at a glance, and all data can be stored and read;

[0017] 3: Capture test data in real time to improve quality stability and test reliability;

[0018] 4: Quickly change molds to reduce changeover time;

[0019] 5: Electronic reporting, saving paper and achieving paperless operation;

[0020] 6: Compatible with various projects, one machine can correspond to multiple projects, reduce tooling production, and reduce the area of ​​tooling storage area. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a structural schematic diagram of an automatic mechanism test bench. DETAILED DESCRIPTION

[0022] In order to better understand the technical solution of the utility model, the following is a detailed description through specific embodiments:

[0023] See also Figure 1 The utility model is an automatic mechanism test bench, the test bench frame is made of aluminum profiles, and the desktop is made of a combination of metal plates and wooden boards. The overall equipment is fixed with 45*45 and 45*90 strokes. The test bench frame includes a test table and a bracket under the table.

[0024] A suspension beam mechanism 1 is installed on the test table, and the suspension beam mechanism is fixed on the test table by a contour-limited quick-clamp locking method. The suspension beam mechanism 1 and the two simulated doors 2 are connected by dovetail grooves and locked by quick locking pins. The two simulated doors can move along the top beam of the suspension beam. The door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly are respectively connected to the simulated doors. A console 3 is provided on one side of the suspension beam mechanism, which is respectively connected to the door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly. A display screen 6 is provided above the console.

[0025] An electrical cabinet 4 and a storage cabinet 5 are arranged in the bracket below the table. The electrical cabinet door is provided with a cabinet lock.

[0026] A protective cover is installed on the outside of the suspension beam mechanism to limit foreign objects from entering the test range during testing. The protective cover is equipped with a sliding door for easy inspection and maintenance.

[0027] A safety grating is installed on the front of the test bench to ensure the protection of personnel during the test.

[0028] The door opening and closing test component is connected to the simulated door using a non-contact limit position sensing method; the obstacle test component adopts a lever mechanism, and a small-stroke cylinder drives the anti-pinch block to move with a large stroke and is set on the simulated door; the push-pull force test component adopts the synchronous locking principle, so that the motor module drives the simulated door to open and close synchronously and is connected to the simulated door.

[0029] The test bench adopts automatic testing method to reduce the participation of personnel as much as possible. Personnel only need to connect the line for one voltage resistance test, and other functional tests are automatically performed to improve the efficiency of the test.

[0030] The driving arm is installed on the suspension beam mechanism. The driving arm adopts a quick-change mechanism. The driving arms for different project types can be quickly replaced, which reduces the difficulty of replacement and improves the efficiency of replacement.

[0031] Eliminate the on-site control cabinet and combine the control cabinet and HMI into one control cabinet. The system can call the test control logic and test parameters of different project types. Personnel can select different test programs according to different projects in the system. There is no need to equip each project with a different control cabinet, thus reducing material investment.

[0032] The withstand voltage test enables the PLC to communicate with the withstand voltage tester. The system can set different withstand voltage test parameters online, such as withstand voltage value and withstand voltage test time, without the need for personnel to manually operate the withstand voltage tester to set them. The door opening and closing time test uses PLC to collect the signal feedback of the in-place sensor, record the time difference of the sensors at both ends, automatically collect data, and reduce the interference of external factors to ensure data accuracy. The push-pull force test uses a servo drive module as the operation drive, the start and stop positions are accurately adjustable, and the operation is smooth. The push-pull force value is tested by a mechanical sensor. During the test, the cylinder performs lifting and lowering to perform push and pull detection. The PLC can collect test data in real time. The anti-pinch function uses a pneumatic module to perform the extension and retraction of the anti-pinch fixture, accurately moves according to the test signal of the system, and runs fully automatically. The number of anti-pinch times can be recorded by the number of times the door opening and closing triggers the photoelectric switch, and the PLC records the triggering times and uploads them to the system; the anti-pinch module adopts a quick-change structure, and only needs to unify the fixture installation parts of different projects to achieve quick replacement.

[0033] Test bench data can be uploaded to the system, and test results can be generated in the system into a spreadsheet.

[0034] The test bench has two test modes: automatic test mode and manual test mode. In automatic mode, four functional tests are completed at one time and the test results are recorded. In manual mode, the four functional tests can be run separately and the single test results can be recorded.

[0035] If the test fails in the automatic mode, the automatic test will be terminated and the light will be turned on to prompt the tester. The tester will determine whether to continue the automatic test based on the on-site conditions. The on-site system interface will synchronously display the test status and test results.

[0036] The test results can be displayed through the system or on the indicator lights of the control cabinet to ensure that the testers can see the test results.

[0037] Improvement before the test

[0038] 1. Door opening and closing time test: You need to manually operate the control box knob and use a stopwatch to record the approximate door opening and closing time by manually pressing the stopwatch when opening and closing the door. It cannot be completely synchronized.

[0039] 2. Obstacle detection test: The control box knob needs to be manually operated, and the anti-pinch tooling is used to visually check whether the door will open and close with anti-pinch according to the set procedure when the door is closed.

[0040] 3. Push-pull force test: Just use the push-pull force gauge to hook the simulated car door and pull it, and confirm the approximate force through the pointer position.

[0041] Improved agency testing

[0042] 1. Door opening and closing time test: Use non-contact limit position sensing method, add photoelectric switch for door opening and closing, control the door opening and closing through program, trigger the time relay to record data when closing or opening the door and automatically generate data to the test report.

[0043] 2. Obstacle detection test: Add an anti-pinch test device. When the program performs an obstacle test, use a lever mechanism and a small-stroke cylinder to drive the anti-pinch block to move with a large stroke. The device automatically pops out the obstacle for testing and automatically generates data in the test report.

[0044] 3. Push-pull force test: Add a push-pull force device and adopt the synchronous locking principle to make the motor module drive the simulated door to open and close synchronously. When the program performs a push-pull force test, the equipment automatically opens and closes the door, and uses the push-pull force device to test the data in real time, and automatically generates the data in the test report.

[0045] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention, and are not intended to limit the present invention. As long as they are within the spirit of the present invention, any changes or modifications to the above embodiments will fall within the scope of the claims of the present invention.

Claims

1. An automatic mechanism test bench, comprising a test bench frame, characterized in that: The test bench body includes a test table and a bracket below the table; A suspension beam mechanism is installed on the test table. The suspension beam mechanism and the two simulated doors are connected by dovetail grooves and locked by quick locking pins. The two simulated doors can move along the top beam of the suspension beam. The door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly are connected to the simulated doors respectively. A control console is provided on one side of the suspension beam mechanism, which is connected to the door opening and closing test assembly, the obstacle test assembly and the push-pull force test assembly respectively. An electrical cabinet and a storage cabinet are provided in the bracket below the table.

2. The automatic mechanism test bench according to claim 1, characterized in that: A protective cover is installed on the outside of the suspension beam mechanism to limit foreign objects from entering the test range during the test.

3. An automatic mechanism test bench according to claim 2, characterized in that: The protective cover is equipped with a sliding door.

4. The automatic mechanism test bench according to claim 1, characterized in that: There is a safety light grid on the front of the test bench.

5. The automatic mechanism test bench according to claim 1, characterized in that: The door opening and closing test component is connected to the simulated door using a non-contact limit position sensing method; the obstacle test component adopts a lever mechanism, and a small-stroke cylinder drives the anti-pinch block to move with a large stroke and is set on the simulated door; the push-pull force test component adopts the synchronous locking principle, so that the motor module drives the simulated door to open and close synchronously and is connected to the simulated door.

6. The automatic mechanism test bench according to claim 1, characterized in that: The suspension beam mechanism is fixed on the test table by a contour-limited quick-clamp locking method.

7. The automatic mechanism test bench according to claim 1, characterized in that: A display screen is provided above the console.

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