Light automobile glass push-pull fatigue durability test device
By designing a fatigue durability testing device for push-pull windows in light-duty automobiles, and using a PLC-controlled piston pump to simulate user operation, the problem of low efficiency in fatigue durability testing of push-pull window assemblies in existing technologies has been solved, achieving efficient and reliable testing results and reducing development costs.
Patent Information
- Application Number
- CN202422632266.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-10-30
AI Technical Summary
In the existing technology, testing institutions have limited testing resources, making it difficult to conduct fatigue durability tests on sliding window assemblies efficiently and reliably, which affects the design and development of sliding window assemblies.
A lightweight automotive glass push-pull fatigue durability testing device was designed. A piston pump motor is driven by a PLC programmable controller, and the opening and closing of the glass push-pull window is realized by simulating manual operation by the user through a handle clamp. The combination of electrical and mechanical control parts ensures the stability and reliability of the test.
It enables precise testing of sliding window assemblies, reduces development costs, shortens development cycles, improves work efficiency, and provides a reliable basis for innovative design.
Smart Images
Figure CN223565220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile parts testing technology, and specifically relates to a light automobile glass push-pull fatigue durability test device. BACKGROUND
[0002] The automobile push-pull window glass assembly is an important part mounted on the vehicle body, which is related to the cooperation of the glass assembly and the vehicle body. The movable glass part of the glass assembly can move forward and backward under the handle to realize the opening and closing functions of the glass window, and plays the roles of ventilation, rainproof and good vision. In actual vehicle use, frequent opening and closing of the push-pull window not only realizes its basic use function, but also tests whether the structure stress will appear abnormal condition. Due to the limited test resources of the detection mechanism, in order to master the design and development technology of the push-pull window assembly, the push-pull window assembly in the real vehicle structure is tested, combined with the kinematics theory in the process of opening and closing the push-pull window, the working principle is analyzed, and the real vehicle structure can meet the test requirements through the force balance principle. Therefore, an efficient and reliable push-pull window assembly fatigue durability test device is urgently needed. SUMMARY
[0003] The utility model provides a light automobile glass push-pull fatigue durability test device, and the PLC programmable controller of electric appliance control part intermittently provides the positive and negative current of piston pump motor, drives piston pump jack rod to move back and forth, to make handle clamp drive side window glass handle realize the opening and closing function of movable glass under the action of guide rod. Realize the fatigue durability test of automobile glass push-pull window assembly, and the purpose is to make the glass push-pull fatigue durability test device easy to operate, and make the test device more widely used.
[0004] A light automobile glass push-pull fatigue durability test device, the device includes an electric control part and a mechanical control part, the electric control part includes a switch, a PLC programmable controller, a power signal line 1#, a power signal line 2#, a magnetic induction line 3#, a magnetic induction line 4#, a magnetic induction switch 1#, a magnetic induction switch 2# and a counter, and the mechanical control part includes a frame, a side window glass sample, a guide rod, a piston pump, a side window glass handle and a handle clamp.
[0005] The piston pump, the guide rod and the glass to be tested are installed on the fixed frame.
[0006] The PLC programmable controller is connected with a 220V power supply, a power signal line 1#, a power signal line 2#, a magnetic induction line 3#, a magnetic induction line 4#, a counter.
[0007] The handle clamp is fixed on the piston pump top rod end and installed on the side window handle, power signal lines 1# and 2# control current output, drive the piston pump motor to rotate in forward and reverse directions, drive the piston pump top rod to move forward and backward, simulate the opening and closing of the side window handle controlled by the user manually, and the purpose of durability test is achieved.
[0008] As a further improvement of the above technical scheme, the to-be-tested glass is installed on a fixed frame for simulating a real vehicle.
[0009] As a further improvement of the above technical scheme, the to-be-tested glass handle assembly is connected with the piston pump top rod through the handle clamp.
[0010] As a further improvement of the above technical scheme, the PLC programmable controller output signal line is connected with the piston pump motor, and the counter, working time cycle control, current output direction control and the like can be programmed and set autonomously.
[0011] As a further improvement of the above technical scheme, the power signal lines 1# and 2# supply power to the piston pump motor according to the instruction requirement, and control the piston pump top rod to move forward and backward reciprocatingly.
[0012] The utility model discloses the beneficial effects are:
[0013] Due to the limited test resources of the detection mechanism, in order to master the design and development technology of the sliding window glass assembly, the sliding window glass assembly in the real vehicle structure is tested, the glass handle assembly working principle is analyzed in combination with the glass handle kinematics theory and the real vehicle structure, and the test demand can be met through stress balance, the influence of other components on the test result is eliminated, the test data is more accurate, the development cost of the sliding window glass assembly is saved, the development cycle is shortened, the structure is simple, the working reliability is high, and the cost is low. The novel device can verify the analysis method of the sliding window assembly, and provides reliable basis for the innovative design of the sliding window assembly. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an automobile glass sliding fatigue durability test device schematic view of the utility model
[0015] In the figure: 1.1 - power switch, 1.2 - PLC programmable controller, 1.3 - power signal line 1#, 1.4 - power signal line 2#, 1.5 - magnetic induction line 3#, 1.6 - magnetic induction line 4#, 1.7 - counter, 1.8 - frame, 1.9 side window glass sample, 1.10 - guide rod, 1.11 - piston pump, 1.12 - magnetic induction switch 1#, 1.13 - magnetic induction switch 2#, 1.14 - side window glass handle, 1.15 handle clamp. DETAILED DESCRIPTION
[0016] The above technical solutions of the utility model are further explained in detail below by specific embodiments, the structure of each component, the position and mutual connection relationship between each part, the working principle and operation method of each part, and the like, to help the skilled in the art have a more complete, in-depth and accurate understanding of the utility model concept and technical solutions of the utility model.
[0017] Embodiment: as shown in the figure, a light car glass push-pull durability test device, the device includes electrical control components, mechanical control part, Figure 1
[0018] The electrical control components include switches, PLC programmable controller, power signal line 1#, power signal line 2#, magnetic induction line 3#, magnetic induction line 4#, magnetic induction switch 1#, magnetic induction switch 2#, counter.
[0019] The mechanical control part includes frame, side window glass sample, guide rod, piston pump, side window glass handle, handle clamp.
[0020] The connection relationship is as follows: the side window glass sample of the mechanical control part is installed on the frame, the side window glass handle is fitted in the handle clamp, and the guide rod passes through the handle clamp; the PLC programmable controller of the electrical control part outputs power signal line 1# and power signal line 2# and is connected with the piston pump motor; magnetic induction line 3# and magnetic induction line 4# are connected with magnetic induction switch 1# and magnetic induction switch 2#; magnetic induction switch 1# and 2# are respectively installed at the bottom and upper part of the piston pump cylinder.
[0021] The process of the light car glass push-pull fatigue durability test device of the utility model is as follows:
[0022] The automobile glass assembly to be tested is installed on the fixed frame, and the PLC programmable controller of the electrical control part outputs power signal line 1# and power signal line 2# and is connected with the piston pump motor. The installation mode, connection mode and movement mode need to be consistent with the actual working condition of the whole vehicle, the loading force is transmitted to the handle of the movable glass to be tested through the forward and backward movement of the piston pump jack, the opening and closing of the window is simulated by manual control, and the purpose of durability test is achieved.
[0023] According to the product drawing and standard requirements, the technical parameters (working time cycle, counter setting, power output line control, electromagnetic induction switch signal control, push-pull window opening and closing force, glass handle switch stroke, etc.) of the automobile glass push-pull fatigue durability test device are input, and the automobile glass assembly to be tested is installed on the fixed frame. The output power signal line of the electric control part is connected with the piston pump motor, the handle clamp at the head of the piston pump jacks is installed on the side window handle, and then the test is started. The PLC automatically provides current to the piston pump motor intermittently according to a specific rule, drives the piston pump jacks to make forward and backward reciprocating motion, and observes whether the motion process is abnormal and whether the number of reciprocating cycles meets the specific detection standard.
[0024] Close test: turn on the power switch, the PLC programmable controller provides current to the power signal line 1#, controls the motor inside the piston pump to rotate clockwise, drives the piston pump jacks to advance, the handle clamp at the head of the jacks is installed on the side window handle, advances together with the jacks under the action of the guide rod, and completes the closing action of the side window movable glass. When the handle is completely closed, the electromagnetic iron at the tail end of the piston pump jacks gives a signal to the magnetic induction switch 2#, the signal is transmitted back to the PLC programmable controller, the power signal line 1# cuts off the current output, and the piston pump stops working.
[0025] Open test: the PLC delays for 3S, the PLC programmable controller provides current to the power signal line 2#, controls the motor inside the piston pump to rotate counterclockwise, drives the piston pump jacks to retreat, the handle clamp at the head of the jacks is installed on the side window handle, retreats together with the jacks under the action of the guide rod, and completes the opening action of the side window movable glass. When the handle is completely opened, the electromagnetic iron at the tail end of the piston pump jacks gives a signal to the magnetic induction switch 1#, the signal is transmitted back to the PLC programmable controller, the power signal line 2# cuts off the current output, and the piston pump stops working.
[0026] Counter counting: the PLC delays for 3S, the PLC programmable controller gives a signal to the counter, the counter number +1, at the same time, the PLC programmable controller provides current to the power signal line 1#, controls the motor inside the piston pump to rotate clockwise again, drives the piston pump jacks to advance, the handle clamp at the head of the jacks is installed on the side window handle, advances together with the jacks under the action of the guide rod, completes the closing action of the side window movable glass, and a new working cycle starts.
[0027] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above specific embodiments, and the above specific embodiments and the description in the specification are only for further illustrating the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the claims and their equivalents.
Claims
1. A light car glass push-pull fatigue durability test device, the device comprising an electrical control part, a mechanical control part, characterized in that, the electrical control part comprises a switch, a PLC programmable controller, a power signal line 1#, a power signal line 2#, a magnetic induction line 3#, a magnetic induction line 4#, a magnetic induction switch 1#, a magnetic induction switch 2#, and a counter; the mechanical control part comprises a frame, a side window glass sample, a guide rod, a piston pump, a side window glass handle, and a handle clamp; the piston pump, the guide rod, and the side window glass sample are installed on the fixed frame; the PLC programmable controller is respectively connected with the power signal line 1#, the power signal line 2#, the magnetic induction line 3#, the power signal line 4#, and the counter, and is electrically connected with a 220V power supply; the handle clamp is fixed on the end of the piston pump top rod and is installed on the side window handle, the power signal lines 1# and 2# control current output, drive the piston pump motor to rotate in forward and reverse directions, drive the piston pump top rod to move forward and backward, simulate the user's manual control of the opening and closing of the side window handle, and achieve the purpose of durability test.
2. The light vehicle glass push-pull fatigue durability test device according to claim 1, characterized in that, the PLC programmable controller is connected with the 220V power supply, connected with the power output lines 1# and 2#, connected with the magnetic induction lines 3# and 4#, and connected with the counter.
3. The light vehicle glass push-pull fatigue durability test device according to claim 1, characterized in that, the piston pump, the guide rod, and the glass to be tested are installed on the fixed frame.
4. The light vehicle glass push-pull fatigue durability test device according to claim 1, characterized in that, the handle clamp is fixed on the end of the piston pump top rod and is installed on the side window handle.
5. The light vehicle glass push-pull fatigue durability test device according to claim 1, characterized in that, the power signal lines 1# and 2# are connected with the piston pump motor.
6. The light vehicle glass push-pull fatigue durability test device according to claim 1, characterized in that, the magnetic induction switches 1# and 2# are respectively placed on the upper part and the bottom part of the piston pump cylinder body and are connected with the magnetic induction lines 3# and 4#.