Apron board endurance test tool
By designing the durability test tooling for skirt panels, using components such as bases, support frames, suction cups and control cabinets, the problems of poor versatility and high cost of skirt panel testing devices are solved, and the accuracy and applicability are improved.
Patent Information
- Application Number
- CN202422040839.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The existing skirt test devices have poor versatility, unstable performance and inaccurate test results, and high-performance devices are expensive and complex in structure.
A skirt durability test tooling is designed, including a base, first and second support frames, displacement sensors, suction cups, electric cylinders and control cabinets. The precise testing of the skirt is achieved through a streamlined structure. The suction cups and displacement sensors can be adjusted to suit different models and specifications. The control cabinet is used to set test parameters.
Accurate testing of skirts is achieved, cost reduction, improved testing accuracy and scope of application, simplified structure, and can adjust the fixing mechanism and sensor position according to skirt specifications, suitable for a variety of models.
Smart Images

Figure CN223091498U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of test tooling, and specifically relates to a skirt durability test tooling. Background Art
[0002] The train skirt refers to a device fixed on the side of the train body, usually installed at a position close to the ground at the bottom of the vehicle body. They are designed to reduce air resistance, prevent external substances such as rain and dust from entering the carriage, and protect the components at the bottom and side of the vehicle from damage. The train skirt can reduce the turbulence generated by air flow at the bottom of the carriage, thereby improving the operation efficiency and stability of the train. In addition, they can also play a certain role in sound insulation and heat insulation, providing passenger comfort. The skirt needs to be tested before installation and use to evaluate and verify its durability, stability and reliability.
[0003] Currently, devices capable of testing the skirt can be easily found on the market. However, the applicant found that in addition to poor versatility, devices with low price are often not stable enough in performance, resulting in inaccurate test results and poor consistency. While devices with stable performance and comfortable use experience are relatively complex and costly; how to achieve the most accurate test on the skirt through a streamlined mechanism has high practical value. Summary of the Utility Model
[0004] In order to solve the problems existing in the prior art, the utility model aims to provide a skirt durability test tooling to realize the test on the skirt, improve the accuracy while streamlining the structure and reducing the cost.
[0005] To achieve the above technical purposes and effects, the utility model is realized through the following technical solutions:
[0006] A skirt durability test tooling includes a base, on which a first support frame and a second support frame are arranged; the first support frame is fixedly connected to the base, and multiple displacement sensors and skirt fixing mechanisms are arranged on the first support frame; the second support frame is movably arranged on the base through a first linear guide rail, and an installation frame is arranged in the second support frame through a second linear guide rail, and a cylinder is arranged on the second support frame. The front end of the piston rod of the cylinder is fixedly connected to the installation frame, and the installation frame can move back and forth in the second support frame along the second linear guide rail under the drive of the cylinder, and the moving direction is parallel to the moving direction of the second support frame on the base; multiple suction cups are arranged on the installation frame, and the suction cups are all connected to a vacuum compression module through corresponding air pipes.
[0007] Further, the displacement sensors are all detachably arranged on the first support frame.
[0008] Further, the displacement sensors are all rope-pull displacement sensors.
[0009] Further, a limiting mechanism for limiting the displacement distance of the second support frame is provided between the base and the second support frame.
[0010] Further, the limiting mechanism is composed of a limiting block, a limiting pin, a limiting piece and a locking block; a limiting groove adapted to the limiting pin is provided in the limiting piece.
[0011] Further, the suction cups are all arranged on the mounting rack through corresponding connecting rods.
[0012] Further, the connecting rods are detachably arranged on the mounting rack.
[0013] Further, support feet are provided on the bottom surface of the base.
[0014] Further, it further includes a control cabinet for controlling the tooling, and the displacement sensors, the electric cylinders and the vacuum compression modules are all electrically connected to the control cabinet.
[0015] Further, the control cabinet includes an electric control box, an upper computer operating system and an emergency stop switch.
[0016] The beneficial effects of the present utility model are as follows: The present utility model realizes the testing of the skirt board while streamlining the structure, reducing the cost, and enabling the setting of the test frequency, test times, test load and test speed, thereby improving the test accuracy; secondly, in the present application, the installation positions and quantities of the suction cups and displacement sensors, as well as the skirt board fixing mechanism can be adjusted according to the specific specifications and models of the skirt board, so as to realize the test of skirt boards of different specifications and models, and improve the applicable range of this tooling.
[0017] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it in accordance with the content of the description, the following takes the preferred embodiments of the present utility model and coordinates with the attached drawings to describe in detail as follows. The specific implementation manners of the present utility model are given in detail by the following embodiments and their attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The attached drawings described herein are used to provide a further understanding of the present utility model, and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the attached drawings:
[0019] Figure 1 is a schematic diagram of the overall structure of the tooling of the present utility model;
[0020] Figure 2 Schematic diagram of the side structure of the first support frame of the present utility model;
[0021] Figure 3 For the present utility model Figure 2 Enlarged view of location A in
[0022] Figure 4 Schematic diagram of the structure of the second support frame of the present utility model;
[0023] Figure 5 For the present utility model Figure 4 Enlarged view of location B in
[0024] Figure 6 Exploded schematic diagram of the limit mechanism of the present utility model;
[0025] Figure 7 Schematic diagram after the skirt board is loaded in the present utility model.
[0026] Explanation of the reference numerals in the figure: 1, base; 2, first support frame; 3, second support frame; 4, displacement sensor; 5, first linear guide rail; 6, second linear guide rail; 7, mounting bracket; 8, electric cylinder; 9, suction cup; 10, vacuum compression module; 11, limit mechanism; 12, connecting rod; 13, support foot; 14, control cabinet; 111, limit block; 112, limit pin; 113, limit piece; 114, locking block; 1131, limit groove; 141, electric control box; 142, upper computer operating system. Specific embodiments
[0027] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.
[0028] It should be noted that all the directional indications (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.
[0029] Referring to Figure 1 As shown, a skirt board durability test tooling includes a base 1, and a first support frame 2 and a second support frame 3 are arranged on the base 1; Referring to Figure 1-3As shown, the first support frame 2 is fixedly connected to the base 1, and nine displacement sensors 4 for monitoring the deformation amount of the skirt plate are arranged on the first support frame 2. The nine displacement sensors 4 are all detachably arranged on the first support frame 2. Of course, the number of groups and the installation positions of the above-mentioned displacement sensors 4 are only one implementation manner and are not used to limit the scope of this application. In actual setting, the specific number of groups and installation positions can be set according to the test requirements for skirt plates of different models and specifications; in this embodiment, the displacement sensors 4 are all rope-pull displacement sensors.
[0030] Continue to refer to Figure 1-2 As shown, a skirt plate fixing mechanism 15 is also arranged on the first support frame 2. During the test, the skirt plate to be tested is installed on the first support frame 2 through the skirt plate fixing mechanism 15; among them, it should be noted that in this embodiment, the skirt plate fixing mechanism 15 is detachably arranged on the first support frame 2, and the skirt plate fixing mechanism 15 can be adjusted according to the specific specifications of the skirt plate to be tested. The structure of the skirt plate fixing mechanism 15 shown in the figure is only one implementation manner and is not used to limit the scope of this application.
[0031] Refer to Figure 1 and Figure 4 As shown, the second support frame 3 is movably arranged on the base 1 through a first linear guide rail 5, and an installation frame 7 is arranged in the second support frame 3 through a second linear guide rail 6, and an electric cylinder 8 is arranged on the second support frame 3. The front end of the piston rod of the electric cylinder 8 is fixedly connected to the installation frame 7. The installation frame 7 can move back and forth in the second support frame 3 along the second linear guide rail 6 under the drive of the electric cylinder 8, and the moving direction is parallel to the moving direction of the second support frame 3 on the base 1. Among them, in this embodiment, the electric cylinder 8 can drive the installation frame 7 to displace between 0.1 mm and 400 mm, and in the test state, the piston rod of the electric cylinder 8 is in a contracted state; nine suction cups 9 are also arranged on the installation frame 7. The nine suction cups 9 are all arranged on the installation frame 7 through corresponding connecting rods 12, and the connecting rods 12 are all detachably arranged on the installation frame 7 through a connecting plate and a locking bolt. Of course, the number of groups and the installation positions of the above-mentioned suction cups 9 are also only one implementation manner and are not used to limit the scope of this application. In actual setting, the specific number of groups and installation positions can be set according to the test requirements for skirt plates of different models and specifications; and the suction cups 9 are all connected to the vacuum compression module 10 through corresponding air pipes. During the test, the suction cups 9 adsorb and fix the skirt plate through the vacuum compression module 10.
[0032] Further, continue to refer to Figure 1 and Figure 4As shown, in this embodiment, a limiting mechanism 11 is provided between the base 1 and the second support frame 3; refer to Figure 5-6 As shown, the limiting mechanism 11 is composed of a limiting block 111, a limiting pin 112, a limiting piece 113 and a locking block 114; wherein, in this embodiment, four limiting blocks 111 are provided and are all fixed on the base 1, the limiting pins 112 and the locking blocks 114 correspond to the limiting blocks 111 one by one, and two limiting pieces 113 are provided and are all fixed on the second support frame 3, and limiting grooves 1131 adapted to the limiting pins 112 are provided in both of the two limiting pieces 113; during the test, after the limiting pins 112 are installed in the corresponding limiting blocks 111, the spacing of the movement of the second support frame 3 on the base 1 is limited through the cooperation of the limiting grooves 1131 and the limiting pins 11, and when the second support frame 3 moves to the two end points of the spacing on the base 1, the second support frame 3 can be restricted on the base 1 through the locking blocks 114 to prevent the second support frame 3 from moving actively on the base 1.
[0033] Furthermore, refer to Figure 1 As shown, support feet 13 are provided on the bottom surface of the base 1.
[0034] Furthermore, refer to Figure 1 As shown, the tooling further includes a control cabinet 14 for controlling the tooling, and the displacement sensor 4, the electric cylinder 8 and the vacuum compression module 10 are all electrically connected to the control cabinet 14; wherein, in this embodiment, the control cabinet 14 includes an electric control box 141 and a host computer operating system 142. During the test, the test frequency, the number of test times, the test load, and the moving speed of the electric cylinder 8 can be set through the host computer operating system 142, and when an emergency occurs during the test process, the test can be terminated through the host computer operating system 142; and in this embodiment, the test frequency can be set between 0.1 Hz and 10 Hz, and the maximum test load can reach 10 KN.
[0035] The working principle of the present utility model is as follows:
[0036] Before the test, refer to Figure 7(In the figure, the reference numeral C indicates the skirt board). First step: Installation of the sample to be tested. First, install the skirt board to be tested on the first support frame 2 through the skirt board fixing mechanism 15. Then, select a matching suction cup 9 according to the skirt board test parameters (different loads), install the suction cup 9 at the corresponding position on the mounting frame 7 through the connecting rod 12, and then connect it to the vacuum compression module 10 through the corresponding air pipe. Then, push the second support frame 3 to move along the first linear guide rail 5 towards the skirt board to be tested, and move it to the maximum spacing position. Limit the second support frame 3 on the base 1 through the limiting mechanism 11 to prevent the second support frame 3 from moving freely on the base 1. Then, power on and start the tooling, slowly extend the electric cylinder 8 to drive the mounting frame 7 to move along the second linear guide rail 6 towards the skirt board to be tested, so that the suction cup 9 slowly adsorbs on the outer surface of the skirt board to be tested. Then, start the vacuum compression module 10 to make the suction cup 9 hold the skirt board to be tested. Then, install the displacement sensor 4 at the corresponding position on the first support frame 2. At this time, the displacement sensor 4 is installed on the inner surface side of the skirt board to be tested.
[0037] Second step: Parameter setting. Enter the operation interface of the host computer operating system 142, and set the corresponding test frequency, test times, test load, and moving speed of the electric cylinder 8 respectively according to the requirements and the prompts on the operation interface.
[0038] During the test, the control cabinet 14 realizes the test of the skirt board to be tested through the drive of the electric cylinder 8 according to the set test frequency, test times, test load, and moving speed of the electric cylinder 8.
[0039] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A skirt durability test tooling, characterized in that: It includes a base (1), on which a first support frame (2) and a second support frame (3) are provided; the first support frame (2) is fixedly connected to the base (1), and multiple groups of displacement sensors (4) and skirt plate fixing mechanisms (15) are provided on the first support frame (2); the second support frame (3) is movably arranged on the base (1) through a first linear guide rail (5), and a mounting frame (7) is arranged in the second support frame (3) through a second linear guide rail (6), and an electric cylinder (8) is provided on the second support frame (3), the front end of the piston rod of the electric cylinder (8) is fixedly connected to the mounting frame (7), and the mounting frame (7) can move back and forth in the second support frame (3) along the second linear guide rail (6) under the drive of the electric cylinder (8), and the moving direction is parallel to the moving direction of the second support frame (3) on the base (1); multiple groups of suction cups (9) are provided on the mounting frame (7), and the suction cups (9) are all connected to a vacuum compression module (10) through corresponding air pipes.
2. The skirt durability test tooling according to claim 1, wherein: The displacement sensors (4) are all detachably arranged on the first support frame (2).
3. The skirt durability test tooling according to claim 1 or 2, characterized in that: The displacement sensors (4) all adopt rope-pull displacement sensors.
4. The skirt durability test tooling according to claim 1, characterized in that: A limiting mechanism (11) for limiting the displacement distance of the second support frame (3) is provided between the base (1) and the second support frame (3).
5. The skirt durability test tooling according to claim 4, characterized in that: The limiting mechanism (11) is composed of a limiting block (111), a limiting pin (112), a limiting piece (113) and a locking block (114); a limiting groove (1131) adapted to the limiting pin (112) is provided in the limiting piece (113).
6. The skirt durability test tooling according to claim 1, characterized in that: The suction cups (9) are all arranged on the mounting frame (7) through corresponding connecting rods (12).
7. The skirt durability test tooling according to claim 6, wherein: The connecting rods (12) are all detachably arranged on the mounting frame (7).
8. The skirt durability test tooling according to claim 1, characterized in that: Support feet (13) are provided on the bottom surface of the base (1).
9. The skirt durability test tooling according to claim 1, wherein: It further includes a control cabinet (14) for controlling the tooling, and the displacement sensors (4), the electric cylinder (8) and the vacuum compression module (10) are all electrically connected to the control cabinet (14) by electrical signals.
10. The skirt durability test tooling according to claim 9, characterized in that: The control cabinet (14) includes an electric control box (141) and a host computer operating system (142).