Double-station durability test device for air spring of commercial vehicle

Abstract

The utility model discloses a double-station endurance test device for an air spring of a commercial vehicle, and the device comprises a supporting seat and a crossbeam, and the crossbeam is movably disposed on the supporting seat, so as to enable the two ends of the crossbeam to swing upwards or downwards. The two installation assemblies are located on the two sides of the supporting base correspondingly and connected with the two ends of the cross beam correspondingly, and the two installation assemblies are used for installing air springs correspondingly; the driving assembly is erected above the cross beam, and the driving assembly is connected with the cross beam and used for driving the cross beam to rotate around the movable mounting point; the dynamic working state of the air spring in the actual driving process of a commercial vehicle is simulated through the supporting base, the cross beam and the two mounting assemblies, so that the service life and the performance of the air spring under different working conditions are evaluated, durability testing of the two air springs is achieved at the same time, the testing efficiency is improved, flexibility is high, and the testing cost is low. The device is simple in structure, convenient to operate, low in testing cost and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to air spring performance test technical field especially relates to a double station endurance test device for commercial vehicle air spring. BACKGROUND

[0002] With the continuous improvement of the requirements of modern transportation industry on high efficiency, energy saving and environmental protection, the commercial vehicle air spring as the core component of the suspension system has been widely used in heavy trucks, large buses and various special vehicles with unique advantages such as effectively absorbing road vibration, improving vehicle carrying capacity and driving stability, significantly reducing noise pollution, etc., and the stability and durability of its performance are directly related to the safety, comfort and economy of vehicle driving, however, the commercial vehicle air spring bears complex dynamic load for a long time, and its working environment is poor, so its fatigue life becomes a key indicator to measure product quality and reliability, therefore, it is particularly important to ensure that the air spring can meet the expected service life in actual application and avoid safety accidents and economic losses caused by premature failure.

[0003] The test device used in the traditional air spring fatigue life test method can simulate the actual working conditions to a certain extent and evaluate its durability, but the traditional test device is often complex in structure, not only low in test efficiency and large in floor area, but also complicated in installation and debugging process, which needs professional technical personnel to operate, increases the test cost and time period, in addition, the traditional test device has limitations in flexibility and is difficult to adapt to the test requirements of air springs of different specifications and models, which limits the universality of the test range and the improvement of the test efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a double station endurance test device for commercial vehicle air spring to solve the problems of complex structure, low test efficiency and poor flexibility of the traditional air spring fatigue life test device, high test cost, long period, and limitation of universality and efficiency improvement of the test range.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A double station endurance test device for commercial vehicle air spring comprises:

[0007] The support seat and the crossbeam, the crossbeam is movably installed on the support seat, and the crossbeam is configured to be able to rotate around the movable mounting point, so that the two ends of the crossbeam swing upward or downward respectively;

[0008] Two mounting assemblies, two of the mounting assemblies are respectively located on two sides of the support base and are respectively connected with two ends of the cross beam, two of the mounting assemblies are respectively used for mounting the air springs, and two of the mounting assemblies are configured to drive the air springs to act respectively when the two ends of the cross beam swing upward or downward respectively.

[0009] A driving assembly is arranged above the cross beam, the driving assembly is connected with the cross beam, and the driving assembly is used for driving the cross beam to rotate around the movable mounting point.

[0010] According to the technical means, the support base and the cross beam arranged movably are combined, and the two mounting assemblies are used to drive the air springs to act respectively, so that the dynamic working state of the air springs in the actual driving process of the commercial vehicle is simulated, the service life and performance of the air springs under different working conditions are evaluated, the double stations are used to simultaneously perform the durability test on the two air springs, the test efficiency is improved, the two ends of the cross beam swing upward or downward, the two air springs are driven to stretch or compress, and the two air springs are also driven to bend toward the support base, so that the dynamic working state of the air springs is simulated more truly, the test result is more accurate and true, and the safety and comfort of the commercial vehicle are improved.

[0011] Further, the mounting assembly comprises a lower mounting base and an upper mounting base, the lower mounting base and the upper mounting base are arranged oppositely, the lower mounting base is mounted on the ground, and the upper mounting base is mounted on the cross beam, the lower mounting base is used to be connected with the top end of the air spring, and the upper mounting base is used to be connected with the bottom end of the air spring.

[0012] According to the technical means, the lower mounting base is fixed to the ground, and a stable support base is provided, the upper mounting base is ingeniously mounted on the cross beam and moves with the cross beam, in use, the lower mounting base is connected with the top end of the air spring, and the upper mounting base is connected with the bottom end of the air spring, so that the air spring is stably mounted during the test, and can stretch or compress corresponding to the swing of the cross beam, the test accuracy and reliability are enhanced, and the functionality and practicability of the whole durability test device are further improved, so that the test process is more stable and efficient.

[0013] Further, the lower mounting base comprises a first mounting plate, a support column and a bottom plate, the bottom plate is installed on the ground, the bottom end of the support column is installed on the bottom plate, and the top end of the support column is connected with the first mounting plate, the first mounting plate is used for being connected with the top end of the air spring, and a through hole is formed in the first mounting plate, and the through hole is used for avoiding the inflation port of the air spring.

[0014] According to the technical means, the bottom plate is firmly installed on the ground, thereby providing a solid foundation for the whole lower mounting base and ensuring the stability of the test, the support column is supported between the bottom plate and the first mounting plate, thereby not only ensuring the stability of the whole structure but also providing a certain space between the first mounting plate and the bottom plate, thereby facilitating the installation and inflation of the air spring, avoiding the inflation port of the air spring through the through hole, and facilitating the inflation or pressure adjustment of the air spring during the test without the need of disassembling or moving the mounting assembly, thereby greatly improving the convenience and efficiency of the test.

[0015] Further, the upper mounting base comprises a second mounting plate and a fixing plate, the fixing plate is installed on the cross beam, and the second mounting plate is installed on the fixing plate, and the second mounting plate is used for being connected with the bottom end of the air spring.

[0016] According to the technical means, the fixing plate is installed on the cross beam and moves with the swing of the cross beam, thereby providing a stable support foundation for the second mounting plate, and the second mounting plate is installed on the fixing plate and is specially used for being detachably connected with the bottom end of the air spring, thereby ensuring the stability of the air spring and enabling the air spring to move correspondingly with the swing of the cross beam, thereby not only enhancing the accuracy and reliability of the test but also making the whole test process more stable and efficient, thereby providing strong support for evaluating the service life and performance of the air spring under different working conditions.

[0017] Further, the first mounting plate and the second mounting plate are respectively connected with the bottom end and the top end of the air spring through a bolt structure.

[0018] According to the technical means, the first mounting plate and the second mounting plate are respectively connected with the bottom end and the top end of the air spring through a bolt structure, and this connection mode is not only simple and easy to implement but also firm and reliable, thereby ensuring the stability and safety of the air spring in the mounting assembly, and at the same time, the bolt connection facilitates disassembly and reinstallation, thereby providing great convenience for adjustment and maintenance during the test, and when the air spring needs to be replaced or repaired, the air spring can be easily taken off from the mounting assembly by simply loosening the bolt, thereby greatly improving the flexibility and efficiency of the test work.

[0019] Further, the driving assembly comprises a mounting frame and a hydraulic cylinder, the mounting frame is arranged on the cross beam, the mounting end of the hydraulic cylinder is mounted on the mounting frame, the telescopic end of the hydraulic cylinder is connected with the cross beam, and the telescopic end of the hydraulic cylinder is configured to be telescopic in the up-down direction to drive the cross beam to rotate around the movable mounting point.

[0020] According to the above technical means, the mounting frame is stably arranged on the cross beam, thereby providing a solid mounting basis for the hydraulic cylinder, the mounting end of the hydraulic cylinder is firmly fixed on the mounting frame, thereby ensuring the stability and reliability of the hydraulic cylinder during driving, the telescopic end of the hydraulic cylinder is connected with the cross beam, thereby enabling the hydraulic cylinder to drive the cross beam to rotate around the movable mounting point during telescopic movement, this driving mode is not only flexible and variable, but also can accurately simulate the complex dynamic load borne by the air spring of the commercial vehicle during actual driving, thereby providing a more real and accurate test environment for the durability test, during use, the swing angle and speed of the cross beam can be accurately controlled through the telescopic movement of the hydraulic cylinder, thereby realizing comprehensive and in-depth evaluation of the durability of the air spring under different working conditions, improving the accuracy and reliability of the test, and providing more powerful support for the design and optimization of the commercial vehicle.

[0021] Further, the driving assembly further comprises a joint shaft, a U-shaped joint and a connecting shaft, one end of the joint shaft is connected with the telescopic end of the hydraulic cylinder, the other end of the joint shaft is rotatably mounted with a spherical connecting piece, the U-shaped joint is connected with the spherical connecting piece through a bolt structure, one end of the connecting shaft is connected with the U-shaped joint, and the other end of the connecting shaft is fixed with a connecting plate, and the connecting plate is connected with the cross beam.

[0022] According to the above technical means, the joint shaft, the U-shaped joint and the connecting shaft and other components are ingeniously introduced between the telescopic end of the hydraulic cylinder and the cross beam, thereby forming a more flexible and stable driving system, wherein one end of the joint shaft is closely connected with the telescopic end of the hydraulic cylinder, the other end of the joint shaft is connected with the U-shaped joint through the spherical connecting piece, thereby enabling the U-shaped joint to swing to a certain extent, increasing the flexibility of the entire driving system, the structure is simple and reliable, can bear a large driving force, the U-shaped joint avoids other components that may cause interference, thereby ensuring smooth operation of the entire driving system, and then the connecting shaft and the connecting plate are closely connected with the cross beam, thereby enabling the telescopic movement of the hydraulic cylinder to be accurately transmitted to the cross beam, thereby driving the cross beam to swing, which not only improves the flexibility and stability of the driving assembly, but also enables the entire durability test device to more accurately simulate the complex dynamic load borne by the air spring of the commercial vehicle during actual driving during the test process.

[0023] Further, the rotating shaft is rotatably installed on the bearing seat, the bearing seat is installed on the support base, a connecting sleeve is installed at the center position of the cross beam, the connecting sleeve is rotatably sleeved on the rotating shaft, and the cross beam is configured to rotate around the central axis of the rotating shaft to swing the two ends of the cross beam upward or downward.

[0024] According to the technical means, the rotating shaft is fixed on the support base through the bearing seat, the stability of the rotating shaft is ensured, the connecting sleeve is installed at the center position of the cross beam, the connecting sleeve is tightly and flexibly sleeved on the rotating shaft, the stable connection between the cross beam and the rotating shaft is realized, and the cross beam can freely swing around the central axis of the rotating shaft, so that the dynamic working state of the air spring of the commercial vehicle in the actual driving process is simulated, the accuracy and authenticity of the test are enhanced, and the two ends of the cross beam can swing upward or downward, so that the double-station simulation work is realized, and the test efficiency is improved.

[0025] Further, the bearing seat comprises an installation plate and two vertical plates, the installation plate is installed on the support base, and the two vertical plates are symmetrically installed on the installation plate.

[0026] According to the technical means, the installation plate is firmly installed on the support base, a solid foundation is provided for the whole bearing seat, the two vertical plates are symmetrically installed on the installation plate, the stability of the structure is enhanced, uniform support is provided for the rotation of the rotating shaft, and stable rotation of the rotating shaft in the bearing seat is ensured.

[0027] Further, the pad is supported between the installation plate and the support base.

[0028] According to the technical means, the pad is supported between the installation plate and the support base, so that the distance between the installation plate and the support base can be adjusted according to the height or number of the pad, the height of the cross beam is adjusted, different sizes of air springs are adapted, the flexibility is high, and the application range is wide.

[0029] The utility model realizes the beneficial effect that:

[0030] 1. The utility model discloses a support seat and movable installation crossbeam, cooperate two installation components respectively drive air spring action to simulate the dynamic working state of air spring in the actual driving process of commercial vehicle, thereby evaluating the service life and performance of air spring under different working conditions, double position realizes the durability test test of two air springs simultaneously, improves the test efficiency, and through the swing of the both ends of crossbeam upwards or downwards, not only can drive two air springs stretch or compress, simultaneously can also give two air springs the trend of bending to the direction of support seat, thereby more truly simulating the dynamic working state of air spring, make the test result accuracy and authenticity higher, and it has important significance to improve the safety and comfort of commercial vehicle.

[0031] 2. The utility model discloses through drive assembly drive crossbeam rotates around movable mounting point, simulates the dynamic working state of air spring in the driving process of commercial vehicle, thereby more accurately evaluates the durability performance of air spring, and still can control the swing angle and frequency of crossbeam to adapt to different vehicle type and test demand, and the flexibility is strong, and simple structure, convenient operation, low test cost, practicality is high, test efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the whole structure schematic view of the utility model;

[0033] Figure 2 It is the front view of two installation components and crossbeam of the utility model;

[0034] Figure 3 It is the explosion drawing of installation component and air spring connection of the utility model;

[0035] Figure 4 It is the structure schematic view of hydraulic cylinder, joint axle, spherical connector, U-shaped joint, connecting shaft and connecting plate of the utility model;

[0036] Figure 5 It is the structure schematic view of support seat, cushion block, bearing seat and pivot of the utility model.

[0037] Among them, 1-support seat, 2-crossbeam, 3-installation component, 31-lower mounting seat, 311-first mounting plate, 3111-through hole, 312-strut, 313-bottom plate, 32-upper mounting seat, 321-second mounting plate, 322-fixing plate, 4-air spring, 51-mounting frame, 52-hydraulic cylinder, 53-joint axle, 531-spherical connector, 54-U-shaped joint, 55-connecting shaft, 551-connecting plate, 6-pivot, 7-bearing seat, 71-mounting plate, 72-upright, 8-cushion block.

[0038] The accompanying drawings are only used for illustrative description and can not be understood as a limitation to the present patent; in order to better illustrate the embodiments, some components in the drawings can be omitted, enlarged or reduced, and do not represent the actual size of the product; it can be understood by those skilled in the art that some well-known structures and their descriptions in the drawings can be omitted; the same or similar reference numerals correspond to the same or similar components; the terms used to describe the positional relationship in the drawings are only used for illustrative description and can not be understood as a limitation to the present patent. DETAILED DESCRIPTION

[0039] It should be noted that the embodiments and technical features in the present application can be combined with each other without conflict, and the detailed description in the specific embodiments should be understood as an explanation of the purpose of the present application, and should not be regarded as an improper limitation to the present application.

[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the present application will be further described in detail below with reference to the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0041] In the embodiments of the present application, the terms "first", "second" are only used for descriptive purposes, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0042] In the embodiments of the present application, unless otherwise specified and limited, the term "connection" should be understood broadly, for example, "connection" can be fixed connection, or detachable connection, or integral; can be directly connected, or indirectly connected through intermediate medium.

[0043] In the embodiments of the present application, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitation, the element limited by the sentence "including one" does not exclude the existence of other same elements in the process, method, article or device including the element.

[0044] In the embodiments of the present application, the words such as "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design presented as "exemplary" or "for example" in the embodiments of the present application should not be construed as preferred or advantageous over other embodiments or design. In fact, the use of the words such as "exemplary" or "for example" is intended to present concepts in a particular manner.

[0045] The technical scheme of the present application will be described in detail below with reference to specific drawings.

[0046] The present embodiment relates to a kind of double-station endurance test device for commercial vehicle air spring, as shown in Figure Figure 1 It includes support seat 1 and crossbeam 2, crossbeam 2 is movably installed on support seat 1, crossbeam 2 is configured to be able to rotate around movable mounting point, to make the two ends of crossbeam 2 swing upward or downward respectively;Two installation components 3, two installation components 3 are located at the two sides of support seat 1 respectively and are connected with the two ends of crossbeam 2 respectively, two installation components 3 are used for installing air spring 4 respectively, two installation components 3 are configured to drive each air spring 4 to act when the two ends of crossbeam 2 swing upward or downward respectively;Drive component, drive component is erected above crossbeam 2, drive component is connected with crossbeam 2, for driving crossbeam 2 to rotate around movable mounting point.

[0047] The present embodiment drives air spring 4 to act by support seat 1 and movably installed crossbeam 2, cooperates two installation components 3 to drive air spring 4 to act respectively, to simulate the dynamic working state of air spring in the actual driving process of commercial vehicle, to evaluate the service life and performance of air spring 4 under different working conditions, double-station realizes the durability test of two air springs 4 simultaneously, improves test efficiency, specifically, in actual application, two air springs 4 are installed on one of installation components 3 respectively, then drive one end of crossbeam 2 to swing upward or downward by drive component, to drive the other end of crossbeam 2 to swing upward or downward in opposite direction under the action of rotating installation, to simulate the dynamic working state of air spring 4 in the driving process of commercial vehicle, to realize the test of two air springs 4 simultaneously, the accuracy and authenticity of test result are higher, the durability performance of air spring is more accurately evaluated, the swing angle and frequency of crossbeam are controllable, to adapt to different vehicle models and test requirements, strong flexibility, simple structure, convenient operation, low test cost, high practicability, high test efficiency.

[0048] In the present embodiment, installation component 3 includes lower mounting seat 31 and upper mounting seat 32, lower mounting seat 31 and upper mounting seat 32 are oppositely arranged, lower mounting seat 31 is installed on the ground, upper mounting seat 32 is installed on crossbeam 2, lower mounting seat 31 is used for being connected with the top end of air spring 4, upper mounting seat 32 is used for being connected with the bottom end of air spring 4.

[0049] As Figure 1 shown, the lower mounting seat 31 is fixed to the ground to provide a stable support base; and the upper mounting seat 32 is ingeniously mounted on the cross beam 2 and moves with the swinging of the cross beam 2. Specifically, in use, the lower mounting seat 31 is connected to the top end of the air spring 4, and the upper mounting seat 32 is connected to the bottom end of the air spring 4, ensuring the stable installation of the air spring 4 during the test and enabling the corresponding stretching or compression action with the swinging of the cross beam 2, thereby enhancing the accuracy and reliability of the test and further improving the functionality and practicability of the entire durability test device, making the test process more stable and efficient.

[0050] In the embodiment, the lower mounting seat 31 includes a first mounting plate 311, a support column 312, and a bottom plate 313. The bottom plate 313 is installed on the ground, the bottom end of the support column 312 is installed on the bottom plate 313, and the top end thereof is connected to the first mounting plate 311. The first mounting plate 311 is used to be connected to the top end of the air spring 4. A through hole 3111 is formed on the first mounting plate 311 to avoid the air inlet of the air spring 4.

[0051] As Figure 2 and Figure 3 shown, the bottom plate 313 is firmly installed on the ground to provide a solid foundation for the entire lower mounting seat 31, ensuring the stability of the test. The support column 312 is supported between the bottom plate 313 and the first mounting plate 311, not only ensuring the stability of the overall structure, but also enabling a certain space between the first mounting plate 311 and the bottom plate 313 to facilitate the installation and inflation of the air spring 4. The through hole 3111 avoids the air inlet of the air spring 4, enabling the air spring 4 to be easily inflated or adjusted in pressure during the test without the need to disassemble or move the mounting assembly 3, thereby greatly improving the convenience and efficiency of the test. In actual application, the number of support columns 312 is two or more to provide stability.

[0052] In the embodiment, the upper mounting seat 32 includes a second mounting plate 321 and a fixing plate 322. The fixing plate 322 is installed on the cross beam 2, and the second mounting plate 321 is installed on the fixing plate 322. The second mounting plate 321 is used to be connected to the bottom end of the air spring 4.

[0053] As Figure 2 and Figure 3As shown, in this embodiment, the fixing plate 322 is installed on the crossbeam 2 and moves with the swing of the crossbeam 2, providing a stable support base for the second mounting plate 321. The second mounting plate 321 is installed on the fixing plate 322 and is specifically designed for detachable installation with the bottom end of the air spring 4, ensuring the stability of the air spring 4 and enabling it to perform corresponding actions with the swing of the crossbeam 2. This not only enhances the accuracy and reliability of the test, but also makes the entire test process more stable and efficient, providing strong support for evaluating the service life and performance of the air spring 4 under different working conditions.

[0054] Furthermore, as a preferred embodiment, the first mounting plate 311 and the second mounting plate 321 are respectively connected to the bottom and top of the air spring 4 via bolts. In this embodiment, the first mounting plate 311 and the second mounting plate 321 are cleverly connected to the bottom and top of the air spring 4 via bolts. This not only makes the structure simple, easy to operate, and robust and reliable, ensuring the stability and safety of the air spring 4 in the mounting assembly 3, but also facilitates disassembly and reinstallation, providing great convenience for adjustment and maintenance during the testing process. In practical applications, when the air spring 4 needs to be replaced or repaired, it can be easily removed from the mounting assembly 3 simply by loosening the bolts, greatly improving the flexibility and efficiency of the testing work.

[0055] In this embodiment, the drive assembly includes a mounting bracket 51 and a hydraulic cylinder 52. The mounting bracket 51 is mounted on the crossbeam 2. The mounting end of the hydraulic cylinder 52 is mounted on the mounting bracket 51. The telescopic end of the hydraulic cylinder 52 is connected to the crossbeam 2. The telescopic end of the hydraulic cylinder 52 is configured to extend and retract in the vertical direction to drive the crossbeam 2 to rotate around the movable mounting point.

[0056] like Figure 1 As shown, in this embodiment, the mounting bracket 51 is stably mounted on the crossbeam 2, providing a solid mounting foundation for the hydraulic cylinder 52. During use, the swing angle and speed of the crossbeam 2 can be precisely controlled by the telescopic movement of the telescopic end of the hydraulic cylinder 52, thereby enabling a comprehensive and in-depth evaluation of the durability performance of the air spring 4 under different working conditions, improving the accuracy and reliability of the test, and providing stronger support for the design and optimization of commercial vehicles.

[0057] In this embodiment, the drive assembly also includes a joint shaft 53, a U-shaped connector 54, and a connecting shaft 55. One end of the joint shaft 53 is connected to the telescopic end of the hydraulic cylinder 52, and the other end is rotatably mounted with a ball connector 531. The U-shaped connector 54 is connected to the ball connector 531 by a bolt structure. One end of the connecting shaft 55 is connected to the U-shaped connector 54, and the other end is fixed with a connecting plate 551. The connecting plate 551 is connected to the crossbeam 2.

[0058] like Figure 4As shown, the embodiment ingeniously introduces the joint shaft 53, the U-shaped joint 54 and the connecting shaft 55 between the telescopic end of the hydraulic cylinder 52 and the cross beam 2, forming a more flexible and stable driving system. Specifically, in actual application, the connecting plate 551 is connected with one end of the cross beam 2, the telescopic movement of the telescopic end of the hydraulic cylinder 52 drives the U-shaped joint 54 through the spherical connecting piece 531, so as to drive the connecting shaft 55 and the connecting plate 551, so as to control the swing angle and speed of the cross beam 2. The U-shaped joint 54 can swing to a certain extent during the swing of the cross beam 2, increasing the flexibility of the entire driving system, and the structure is simple, firm and reliable.

[0059] In the embodiment, the rotating shaft 6 is rotatably installed on the bearing seat 7, and the bearing seat 7 is installed on the support base 1. The connecting sleeve 21 is installed at the central position of the cross beam 2, and the connecting sleeve 21 is rotatably sleeved on the rotating shaft 6. The cross beam 2 is configured to rotate around the central axis of the rotating shaft 6, so that the two ends of the cross beam 2 swing upward or downward, respectively.

[0060] As shown in the figure, Figure 5 The rotating shaft 6 is fixed on the support base 1 through the bearing seat 7, which ensures the stability of the rotating shaft 6. The connecting sleeve 21 is installed at the central position of the cross beam 2 and is tightly and flexibly sleeved on the rotating shaft 6. Not only is the stable connection between the cross beam 2 and the rotating shaft 6 realized, but also the cross beam 2 can freely swing around the central axis of the rotating shaft, so as to simulate the dynamic working state of the air spring 4 in the actual driving process of the commercial vehicle, thereby enhancing the accuracy and authenticity of the test. The two ends of the cross beam 2 can swing upward or downward, respectively, so as to realize double-station simulation work and improve the test efficiency.

[0061] In the embodiment, the bearing seat 7 includes an installation plate 71 and two standing plates 72. The installation plate 71 is installed on the support base 1, and the two standing plates 72 are symmetrically installed on the installation plate 71. The two ends of the rotating shaft 6 are rotatably installed on the respective standing plates 72.

[0062] As shown in the figure, Figure 5 The installation plate 71 is firmly installed on the support base 1, providing a solid foundation for the entire bearing seat 7. The two standing plates 72 are symmetrically installed on the installation plate 71, which not only enhances the stability of the structure and provides uniform support for the rotation of the rotating shaft 6, but also ensures that the rotating shaft 6 can stably rotate in the bearing seat 7.

[0063] In the embodiment, the pad 8 is supported between the installation plate 71 and the support base 1; as Figure 5As shown, the cushion blocks 8 are supported between the mounting plate 71 and the support base 1, and in actual application, the height or number of the cushion blocks 8 can be adjusted according to actual requirements, so that the spacing between the mounting plate 71 and the support base 1 can be adjusted with the height or number of the cushion blocks 8, thereby adjusting the height of the cross beam 2 to adapt to air springs 4 of different sizes, with high flexibility and wide application range.

[0064] The serial numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments. The above is only a preferred embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent flow transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A dual-station endurance test device for commercial vehicle air springs, characterized by, The utility model relates to a kind of air spring installation structure, including: Support seat (1) and crossbeam (2), the crossbeam (2) is movably mounted on support seat (1), the crossbeam (2) is configured to be able to rotate around movable mounting point, to make the two ends of crossbeam (2) swing upward or downward respectively; Two installation components (3), two the installation component (3) is located at the two sides of support seat (1) and is connected with the two ends of crossbeam (2) respectively, two the installation component (3) is used for installing air spring (4) respectively, two the installation component (3) is configured to when the two ends of crossbeam (2) swing upward or downward respectively, two the installation component (3) can drive each air spring (4) action respectively; Drive assembly, the drive assembly is erected above crossbeam (2), the drive assembly is connected with crossbeam (2), for driving crossbeam (2) rotates around movable mounting point.

2. The dual station durability test device for a commercial vehicle air spring of claim 1, wherein, The installation component (3) includes lower mounting seat (31) and upper mounting seat (32), the lower mounting seat (31) and upper mounting seat (32) are oppositely arranged, the lower mounting seat (31) is installed on ground, the upper mounting seat (32) is installed on crossbeam (2), the lower mounting seat (31) is used for being connected with the top end of air spring (4), the upper mounting seat (32) is used for being connected with the bottom end of air spring (4).

3. The dual station durability test device for a commercial vehicle air spring of claim 2, wherein, The lower mounting seat (31) includes first mounting plate (311), support column (312) and bottom plate (313), the bottom plate (313) is installed on ground, the bottom end of support column (312) is installed on bottom plate (313), and the top end is connected with first mounting plate (311), the first mounting plate (311) is used for being connected with the top end of air spring (4), and the first mounting plate (311) is formed with through hole (3111), and the through hole (3111) is used for avoiding the inflation port of air spring (4).

4. The dual station durability test device for a commercial vehicle air spring of claim 3, wherein, The upper mounting seat (32) includes second mounting plate (321) and fixed plate (322), the fixed plate (322) is installed on crossbeam (2), and the second mounting plate (321) is installed on fixed plate (322), and the second mounting plate (321) is used for being connected with the bottom end of air spring (4).

5. The dual station durability test device for a commercial vehicle air spring of claim 4, wherein, The first mounting plate (311) and second mounting plate (321) are connected with the bottom end and top end of air spring (4) respectively by bolt structure.

6. The dual station endurance test device for a commercial vehicle air spring of claim 1, wherein, The drive assembly includes mounting bracket (51) and hydraulic cylinder (52), the mounting bracket (51) is erected on crossbeam (2), the mounting end of hydraulic cylinder (52) is installed on mounting bracket (51), the telescopic end of hydraulic cylinder (52) is connected with crossbeam (2), and the telescopic end of hydraulic cylinder (52) is configured to be able to stretch in and out in up-down direction, to drive crossbeam (2) rotates around movable mounting point.

7. The dual station durability test device for a commercial vehicle air spring of claim 6, wherein, The driving assembly further comprises a joint shaft (53), a U-shaped joint (54) and a connecting shaft (55), one end of the joint shaft (53) is connected with the telescopic end of the hydraulic cylinder (52), and the other end is rotatably provided with a spherical connecting piece (531), the U-shaped joint (54) is connected with the spherical connecting piece (531) through a bolt structure, one end of the connecting shaft (55) is connected with the U-shaped joint (54), and the other end is fixedly provided with a connecting plate (551), and the connecting plate (551) is connected with the cross beam (2).

8. The dual station durability test device for a commercial vehicle air spring of claim 1, wherein, Further comprising a rotating shaft (6) and a bearing seat (7), the rotating shaft (6) is rotatably installed on the bearing seat (7), the bearing seat (7) is installed on the support base (1), a connecting sleeve (21) is installed at the center position of the cross beam (2), the connecting sleeve (21) is rotatably sleeved on the rotating shaft (6), and the cross beam (2) is configured to rotate around the central axis of the rotating shaft (6) to swing the two ends of the cross beam (2) upward or downward respectively.

9. The dual station durability test device for a commercial vehicle air spring of claim 8, wherein, The bearing seat (7) comprises a mounting plate (71) and two vertical plates (72), the mounting plate (71) is installed on the support base (1), and the two vertical plates (72) are symmetrically installed on the mounting plate (71), and the two ends of the rotating shaft (6) are rotatably installed on the vertical plates (72) respectively.

10. The dual station durability test device for a commercial vehicle air spring of claim 9, wherein, Further comprising a cushion block (8), the cushion block (8) is supported between the mounting plate (71) and the support base (1).

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