Testing device for simulating loading capacity of component on flexible support

Abstract

The utility model discloses a testing device for simulating the loading capacity of an assembly on a flexible support, which comprises a testing device main body, a pressing area and a pulling area are distributed at the four corners of the upper end of the testing device main body, and an air pressure ball is arranged at the left end of a connecting pipeline. Existing dynamic mechanical load equipment is transformed, the surface of an assembly is divided into four areas, diagonal areas are pulled up and pressed down at the same time, left half parts of long and short sides of the assembly are pulled up, right half parts of the long and short sides of the symmetrical positions of the assembly are pressed down, force is symmetrically applied, each working condition circulates for 1000 times, and the number of times of circulation can be adjusted. One to three cycles are completed per minute, the maximum pressure is + / -1000Pa, the pressure value can be adjusted, and the holding time under the ultimate pressure is at least 7 + / -3s, so that the torsion resistance of the assembly on the flexible bracket is effectively evaluated, the cost per kilowatt-hour is reduced, and the terrain limitation is broken through.

Description

Technical Field

[0001] This utility model belongs to the technical field of testing devices for simulating the load capacity of components in flexible supports, and specifically relates to a testing device for simulating the load capacity of components in flexible supports. Background Technology

[0002] The test device for simulating the load capacity of flexible supports is a specially designed device used to evaluate the performance and stability of flexible supports under different load conditions. The device can accurately apply and measure various loads while monitoring parameters such as deformation, stress and displacement of the support. By simulating the load conditions in the actual use environment, the test device can help engineers analyze the load-bearing capacity, fatigue life and safety of the support, thus providing important basis for design optimization and material selection.

[0003] Existing dynamic mechanical load testing equipment for photovoltaic modules only uses air pressure. IEC TS 62782:2016 requires a more systematic test method for dynamic mechanical load testing of photovoltaic modules. The photovoltaic module is placed in the dynamic load system, the positive and negative terminals of the module are connected by a DC source, and an appropriate current is applied to apply dynamic mechanical load to the photovoltaic module. The cycle is repeated 1000 times, with 1 to 3 cycles per minute. The maximum pressure is ±1000 Pa, and the time held at the extreme pressure is at least 7 ± 3 seconds. The circuit continuity of the module is monitored during the test, which increases the cost per kilowatt-hour. Utility Model Content

[0004] The purpose of this invention is to provide a testing device for simulating the load capacity of photovoltaic modules under flexible support, in order to solve the problem mentioned in the background art that the existing dynamic mechanical load equipment for photovoltaic modules only uses air pressure. IEC TS 62782:2016 requires a more systematic test method for dynamic mechanical load testing of photovoltaic modules, which involves placing the photovoltaic module in a dynamic load system, connecting the positive and negative terminals of the module with the positive and negative terminals of a DC source, applying an appropriate current, and applying dynamic mechanical load to the photovoltaic module for 1000 cycles, completing 1 to 3 cycles per minute, with a maximum pressure of ±1000Pa, and maintaining the pressure at the limit for at least 7±3s. During the test, the circuit continuity of the module is monitored, which increases the cost per kilowatt-hour.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a testing device for simulating the load capacity of a component under a flexible support, comprising a main body of the testing device, wherein a downward pressure area and an upward pull area are distributed at the four corners of the upper end of the main body of the testing device, the downward pressure area and the upward pull area are symmetrically distributed, threaded holes are provided at the four corners of the lower end of the main body of the testing device, and support columns are installed at the four corners of the lower end of the main body of the testing device through the threaded holes, the support columns install bolts at the upper end of the bolts inside the threaded holes, an airbag is provided at the lower end of the support columns, a connecting pipe is installed at the left end of the airbag, a pressure ball is installed at the left end of the connecting pipe, a vent valve is installed at the left end of the pressure ball, a partition is installed at the upper end of the main body of the testing device, L-shaped plates are installed at the left and right ends of the partition, a connecting rod is fixed at the inner side of the L-shaped plate, a push plate is fixed at the other end of the connecting rod, and a stainless steel spring is sleeved on the outer wall of the connecting rod.

[0006] Preferably, the downward pressure area and the upward pressure area are symmetrically distributed at the upper end of the main body of the testing device.

[0007] Preferably, the upper diagonal areas of the main body of the testing device are pulled up and pressed down respectively.

[0008] Preferably, the downward pressing area and the upward pulling area are symmetrically subjected to force.

[0009] Preferably, the support columns are installed at the four corners of the lower end of the main body of the testing device.

[0010] Preferably, the other end of the support column is fixed to the airbag.

[0011] Preferably, the air pressure balloon delivers gas to the interior of the airbag via a connecting pipe.

[0012] Preferably, the airbag is made of rubber.

[0013] Compared with the prior art, this utility model provides a testing device for simulating the load capacity of components under flexible support, which has the following advantages:

[0014] 1. Modify the existing dynamic mechanical load equipment by dividing the component surface into four areas and simultaneously applying upward and downward pressure to the diagonal areas. Apply upward pressure to the left half and downward pressure to the right half along the symmetrical long and short sides of the component, symmetrically applying force. Each working condition is cycled 1000 times, and the number of cycles can be adjusted. One to three cycles are completed per minute, with a maximum pressure of ±1000Pa, which can be adjusted. The time to maintain the pressure under the ultimate pressure is at least 7±3s. This effectively evaluates the torsional performance of the component on the flexible support, reduces the cost per kilowatt-hour, and overcomes terrain limitations.

[0015] 2. Airbags are installed at the four corners of the lower end of the main body of the testing device. The airbags can be filled by manually squeezing the air bulb. When the air bulb is squeezed, the air inside flows into the airbag through the connecting pipe. When the air is released, the pressure relief valve can be turned. The filled airbag can effectively absorb and buffer the vibration and impact from the ground, reduce the interference with the test results, and improve the accuracy of the test.

[0016] 3. A partition is installed at the upper end of the main body of the testing device. The partition separates the pull-up area and the press-down area. The partition is installed to the main body of the testing device via an L-shaped plate. To disassemble, the L-shaped plate can be pulled. The movement of the L-shaped plate causes the connecting rod to move the push plate. At the same time, the push plate compresses the stainless steel spring. After the L-shaped plate is released, the stainless steel spring releases its elastic force, causing the L-shaped plate to fit against the outer wall of the partition. The partition can be installed and disassembled in this way. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a test device for simulating the load capacity of a flexible support component according to the present invention.

[0018] Figure 2 This is a schematic diagram of the airbag structure of a simulation component for testing the load capacity of a flexible support according to this utility model.

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the support column of a test device for simulating the load capacity of a flexible support component according to the present invention.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the partition of a test device for simulating the load capacity of a flexible support component according to the present invention.

[0021] In the diagram: 1. Main body of the testing device; 2. Downward pressure area; 3. Upward pressure area; 4. Airbag; 5. Support column; 6. Air pressure ball; 7. Air release valve; 8. Connecting pipe; 9. Bolt column; 10. Threaded hole; 11. Partition plate; 12. L-shaped plate; 13. Push plate; 14. Connecting rod; 15. Stainless steel spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] The utility model provides, for example Figure 1-4 The device shown is a test apparatus for simulating the load capacity of a flexible support component. It includes a main body 1, with a downward pressure area 2 and an upward pressure area 3 distributed symmetrically at the four corners of the upper end of the main body 1. Threaded holes 10 are provided at the four corners of the lower end of the main body 1. Support columns 5 are installed at the four corners of the lower end of the main body 1 through the threaded holes 10. Bolt columns 9 at the upper end are installed inside the threaded holes 10 on the support columns 5. An airbag 4 is installed at the lower end of column 5. A connecting pipe 8 is installed at the left end of airbag 4. A pressure ball 6 is installed at the left end of connecting pipe 8. A vent valve 7 is installed at the left end of pressure ball 6. A partition 11 is installed at the upper end of the main body 1 of the testing device. L-shaped plates 12 are installed at both ends of partition 11. A connecting rod 14 is fixed at the inner side of L-shaped plate 12. A push plate 13 is fixed at the other end of connecting rod 14. A stainless steel spring 15 is sleeved on the outer wall of connecting rod 14.

[0024] The existing dynamic mechanical load equipment is modified to divide the component surface into four areas. Simultaneous upward and downward pulling is applied to the diagonal areas. Along the symmetrical position of the component, the left half is pulled upward and the right half is pressed downward, with symmetrical force applied. Each working condition is cycled 1000 times, and the number of cycles is adjustable. One to three cycles are completed per minute, with a maximum pressure of ±1000Pa, which is adjustable. The time to maintain the extreme pressure is at least seven ± three seconds. This effectively evaluates the torsional performance of the component on the flexible support, reduces the cost per kilowatt-hour, and overcomes terrain limitations.

[0025] like Figure 1 and Figure 2 As shown, the downward pressure area 2 and the upward pressure area 3 are symmetrically distributed at the upper end of the main body 1 of the testing device. The diagonal areas at the upper end of the main body 1 of the testing device are respectively pulled up and pressed down. The downward pressure area 2 and the upward pressure area 3 are symmetrically applied with force. The support column 5 is installed at the four corners of the lower end of the main body 1 of the testing device. The other end of the support column 5 is fixed to the airbag 4. The air pressure ball 6 delivers gas to the inside of the airbag 4 through the connecting pipe 8. The airbag 4 is made of rubber.

[0026] This device has airbags 4 installed at the four corners of the lower end of the main body 1 of the testing device. The airbags 4 can be filled by manually squeezing the air pressure bulb 6. When the air pressure bulb 6 is squeezed, the air inside flows into the airbag 4 through the connecting pipe 8. When deflating, the pressure relief valve can be turned. The inflated airbags 4 can effectively absorb and buffer the vibration and impact from the ground, reduce interference with the test results, and improve the accuracy of the test.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A testing device for simulating the load capacity of components under flexible supports, characterized in that, The device includes a main body (1) of a testing device. A downward pressure area (2) and an upward pressure area (3) are distributed at the four corners of the upper end of the main body (1). The downward pressure area (2) and the upward pressure area (3) are symmetrically distributed. Threaded holes (10) are provided at the four corners of the lower end of the main body (1). Support columns (5) are installed at the four corners of the lower end of the main body (1) through the threaded holes (10). The support columns (5) install bolts (9) at the upper end inside the threaded holes (10). An airbag (4) is provided at the lower end of the support columns (5). The airbag (4) is connected to a connecting pipe (8) at its left end. A pressure ball (6) is installed at the left end of the connecting pipe (8). A vent valve (7) is installed at the left end of the pressure ball (6). A partition (11) is installed at the upper end of the main body (1) of the testing device. L-shaped plates (12) are installed at both ends of the partition (11). A connecting rod (14) is fixed on the inner side of the L-shaped plate (12). A push plate (13) is fixed at the other end of the connecting rod (14). A stainless steel spring (15) is sleeved on the outer wall of the connecting rod (14).

2. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The downward pressure area (2) and the upward pressure area (3) are symmetrically distributed at the upper end of the main body (1) of the test device.

3. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The upper diagonal areas of the main body (1) of the test device are pulled up and pressed down respectively.

4. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The downward pressure area (2) and the upward pressure area (3) are symmetrically subjected to force.

5. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The support column (5) is installed at the four corners of the lower end of the main body (1) of the test device.

6. The testing device for simulating the load capacity of a component under a flexible support according to claim 5, characterized in that: The other end of the support column (5) is fixed to the airbag (4).

7. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The air pressure balloon (6) delivers gas to the interior of the airbag (4) via a connecting pipe (8).

8. The testing device for simulating the load capacity of a component under a flexible support according to claim 1, characterized in that: The airbag (4) is made of rubber.

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