CN217687894U - Air spring test device - Google Patents

Abstract

The utility model provides an air spring test device, which relates to the technical field of air springs. The air spring test device is used to simulate the front suspension and rear suspension of the vehicle. The air spring test device includes a front suspension simulation module, a rear suspension simulation module, an adjustment module and a frame, a front suspension simulation module and a rear suspension simulation module. The modules are all used to place air springs to simulate the front suspension and the rear suspension respectively; the front suspension simulation module and the rear suspension simulation module are arranged on the frame at intervals along the first direction, and the adjustment module can adjust the front suspension simulation module and the rear suspension simulation module. At least one of the rear suspension simulation modules applies a force to move the front suspension simulation module and the rear suspension simulation module toward or away from each other in the first direction. The air spring test device solves the problem that the existing test bench can only simulate a single type of vehicle and has a single use scene, and enriches the use scene of the air spring test device.

Description

Air Spring Test Device

technical field

The present application relates to the technical field of air springs, in particular to an air spring testing device.

Background technique

Air springs are generally installed in the existing vehicle suspension system. During the research and development of vehicle air springs, it is necessary to test the performance of the air springs. Therefore, the suspension system of the vehicle is generally simulated by the test bench to test the air spring. However, the existing test bench can only simulate the suspension system of a single type of vehicle, and the use scenario is single.

Utility model content

In view of this, the application provides a kind of air spring test device, air spring is placed on the front suspension simulation module and the rear suspension simulation module, can simulate the front suspension and rear suspension of the vehicle, adjust the front suspension by adjusting the module At least one of the frame simulation module and the rear suspension simulation module exerts a force so that the front suspension simulation module and the rear suspension simulation module approach or move away from each other in a first direction to simulate vehicles with different wheelbases. The front suspension and rear suspension in the suspension system of the vehicle solve the problem that the existing test bench can only simulate the suspension system of a single type of vehicle and have a single use scenario, and enrich the use scenarios of the air spring test device.

According to the present application, an air spring test device is provided, which is used to simulate the front suspension and rear suspension of a vehicle, and the air spring test device includes a front suspension simulation module, a rear suspension simulation module, an adjustment module and frame, the front suspension simulation module and the rear suspension simulation module are all used to place air springs to simulate the front suspension and the rear suspension respectively; the front suspension simulation module and The rear suspension simulation modules are arranged at intervals along the first direction on the frame, and the adjustment module is capable of exerting force on at least one of the front suspension simulation module and the rear suspension simulation module, To make the front suspension simulation module and the rear suspension simulation module approach or move away from each other in the first direction.

Preferably, both the front suspension simulation module and the rear suspension simulation module include two simulation modules, and the two simulation modules included in the front suspension simulation module are arranged at intervals along the second direction, and the The two simulation modules included in the rear suspension simulation module are also arranged at intervals along the second direction, the simulation modules are configured to be able to move along the second direction, and the second direction is the same as the first Direction is vertical.

Preferably, the adjustment module includes four adjustment assemblies, and the four adjustment assemblies are the same as the two simulation modules included in the front suspension simulation module and the two simulation modules included in the rear suspension simulation module. The four groups correspond to each other, the simulation module includes a mounting assembly and a bearing part, the mounting assembly is slidably connected with the bearing part, the mounting assembly is used to place the air spring, and the adjustment assembly includes a pushing part , the pushing part can exert force on the installation assembly, so as to move the installation assembly along the first direction.

Preferably, the number of the pushing parts is two, and the two pushing parts are arranged on both sides of the bearing part in the first direction, and both of the pushing parts can push the simulation module Apply force.

Preferably, the simulation module further includes a moving component, the moving component is connected to the installation component via the bearing part, and the moving component can move along the second direction to drive the installation component to move.

Preferably, the moving assembly includes a connecting part and a driving part, the connecting part is connected to the carrying part, and the driving part can drive the connecting part to move along the second direction.

Preferably, the installation assembly includes an installation part and a pressure application part, the installation part is connected to the bearing part, one end of the air spring is connected to the pressure application part, and the other end of the air spring is connected to the pressure application part. The installation part is connected, and the pressing part can exert a force on the air spring along a third direction, and the third direction is respectively perpendicular to both the first direction and the second direction.

Preferably, the mounting part includes a mounting base and a fixing tool, the mounting base is fixed to the bearing part, the fixing tool is detachably connected to the mounting base, and the fixing tool is used to fix the air spring .

Preferably, the pressing part includes a tray and a weight, the tray is connected to the air spring, the weight is arranged on the tray, the number of the weight is multiple, and the plurality of weights The blocks are stacked along the third direction.

Preferably, the simulation module further includes a guide part, the guide part extends along the third direction, and the tray is slidably connected with the guide part to guide the tray.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, so It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 shows the structural representation of the air spring testing device according to an embodiment of the present utility model;

Figure 2 shows a partially enlarged schematic diagram of the mobile assembly;

FIG. 3 shows a partially enlarged schematic diagram of the adjustment module;

Figure 4 shows a partially enlarged schematic view of the installation assembly;

Fig. 5 shows a partial enlarged schematic view of the guide part.

Icons: 010-front suspension simulation module; 020-rear suspension simulation module; 030-adjustment module; 040-air spring; 100-simulation module; 110-installation part; 111-installation plate; 112-mounting seat; -fixed tooling; 120-pressing part; 121-pallet; 122-weight block; 130-guiding part; 131-slide rail; 132-slider block; 133-sliding plate; -Support frame; 143-Nut; 144-Lead screw; 145-Connecting plate; 146-Hand wheel; 150-Loading part; First direction; L2-second direction; L3-third direction.

Detailed ways

The following detailed description is provided to assist the reader in gaining an overall understanding of the methods, devices and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent upon understanding the disclosure of the present application. For example, the order of operations described herein is an example only and is not limited to the order set forth herein, but, except for operations that must occur in a particular order, can be made that will be apparent after understanding the disclosure of this application. change. Furthermore, descriptions of features that are known in the art may be omitted for increased clarity and conciseness.

The features described herein may be implemented in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways of implementing the methods, apparatus and/or systems described herein that will be apparent after understanding the disclosure of the present application.

Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on" another element, "connected to" another element, "coupled to" another element, "on" another element, When an element is "on" or "covers" another element, it can be directly "on" another element, "connected to" another element, "coupled to" another element, "on" another element" On" or "covering" another element, or one or more other elements may be present therebetween. In contrast, when an element is described as being "directly on" another element, "directly connected to" another element, "directly coupled to" another element, "directly on" another element Or "directly covering" another element, there may be no other elements intervening therebetween.

As used herein, the term "and/or" includes any one and any combination of any two or more of the associated listed items.

Although terms such as "first", "second" and "third" may be used herein to describe various members, components, regions, layers or sections, these members, components, regions, layers or sections are not constrained by these terms. restricted. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in examples described herein could be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial terms such as "on," "upper," "below," and "lower" may be used herein to describe the relationship between one element and another as shown in the drawings. Component relationships. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "on" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "over" encompasses both an orientation of "above" and "beneath" depending on the spatial orientation of the device. The device may be otherwise oriented (eg, rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

The terms used herein are only used to describe various examples, and are not used to limit the present disclosure. Unless the context clearly dictates otherwise, singular forms are intended to include plural forms. The terms "comprising", "comprising" and "having" enumerate the presence of stated features, quantities, operations, members, elements and/or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements and/or combinations thereof.

Variations in the shapes shown in the figures may occur due to manufacturing techniques and/or tolerances. Accordingly, examples described herein are not limited to the specific shapes shown in the drawings but include changes in shapes that occur during manufacture.

The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of this application. Furthermore, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of this application.

According to the present application, an air spring test device is provided. The air spring test device is used to simulate a vehicle. As shown in FIG. Both the suspension simulation module 010 and the rear suspension simulation module 020 are used to place the air spring 040 to simulate the front suspension and the rear suspension of the vehicle respectively, and the front suspension simulation module 010 and the rear suspension simulation module 020 move along the first direction L1 intervals are arranged on the frame, and the adjustment module 030 can apply force to at least one of the front suspension simulation module 010 and the rear suspension simulation module 020, so that the front suspension simulation module 010 and the rear suspension simulation module 020 approach or move away from each other in the first direction L1. The air spring testing device exerts a force on at least one of the front suspension simulation module 010 and the rear suspension simulation module 020 through the adjustment module 030, so that the front suspension simulation module 010 and the rear suspension simulation module 020 are close to each other or Far away, so that it can simulate the front suspension and rear suspension in the suspension system of vehicles with different wheelbases, which solves the existing problem. The existing test bench can only simulate a single type of vehicle, and the use scenario is single The problem enriches the use scenarios of the air spring test device.

As shown in Figure 1, the front suspension simulation module 010 includes two simulation modules 100, and the two simulation modules 100 of the front suspension simulation module 010 are arranged at intervals along the second direction L2, and the second direction L2 and the first The direction L1 is set at intervals, and the two simulation modules 100 in the front suspension simulation module 010 are used to simulate the working conditions of the air springs connected to the two front wheels; the rear suspension simulation module 020 also includes two simulation modules 100, The two simulation modules 100 in the rear suspension simulation module 020 are also arranged at intervals along the second direction L2, and the two simulation modules 100 in the rear suspension simulation module 020 are used to simulate the movement of the air spring connected to the two rear wheels. working conditions. The simulation modules 100 can move along the second direction L2, so that the two simulation modules 100 in the front suspension simulation module 010 can approach or move away from each other, and the two simulation modules 100 in the rear suspension simulation module 020 can also move Being close to or far away from each other enables the air spring test device to simulate vehicles with different wheelbases, further enriching the use scenarios of the air spring test device.

Further, the adjustment module 030 includes four adjustment components 200 , and the four simulation modules 100 correspond to the four adjustment modules 030 one by one. As shown in Fig. 1 and Fig. 3, the adjustment module 030 includes a pushing part 210 and a fixing plate 220, the simulation module 100 includes a mounting assembly and a bearing part 150, the mounting assembly is slidably connected with the bearing part 150, and the pushing part 210 includes a A plurality of bolts arranged at intervals of L2, for example, can be 2, 4, 5 or more. The fixing plate 220 is arranged at the end of the bearing part 150, and the bolts extend along the first direction L1. The fixing plate 220 is provided with holes, and the bolts are respectively pierced in the holes, and the ends of the bolts are in contact with the analog module 100, and the simulation module 100 is exerted force by screwing the bolts, so that the analog module 100 can be exerted force, so that the analog module 100 can Move along the first direction L1.

In addition, there are two pushing parts 210, and the two pushing parts 210 are respectively provided at the two ends of the carrying part 150 in the first direction L1. The position of the simulation module 100 in the first direction L1 is used to simulate vehicles with different wheelbases.

Further, as shown in FIG. 1 and FIG. 2 , the simulation module 100 also includes a moving assembly 140, the moving assembly 140 is arranged below the bearing part 150, the moving assembly 140 includes a connecting part and a driving part, and the connecting part is connected to the adjustment module 030 The driving part can drive the connecting part to move along the second direction L2, so as to drive the analog module 100 to move along the second direction L2. The frame includes four supporting frames 142 , and the four supporting frames 142 are respectively arranged under the four simulation modules 100 . The driving part includes a nut 143 and a lead screw 144, the connecting part includes two connection blocks 141, the lead screw 144 extends along the second direction L2, the lead screw 144 is fixed on the support frame 142 through the two connection blocks 141, and the lead screw 144 can Relative to the rotation of the two connecting blocks 141, a nut 143 is sheathed in the middle of the lead screw 144, and the nut 143 can rotate along the lead screw 144. The side of the nut 143 close to the bearing part 150 is provided with an engaging plate 145, and the engaging plate 145 passes through the screw. It is connected with the bearing part 150 . The end of the lead screw 144 is provided with a hand wheel 146, and the lead screw 144 can be driven to rotate by rotating the hand wheel 146, thereby causing the nut 143 and the bearing part 150 to move along the lead screw 144, thereby realizing the movement of the analog module 100 along the second direction L2 . In this way, by setting the moving assembly 140, the distance between the two simulation modules 100 in the front suspension simulation module 010 and the distance between the two simulation modules 100 in the rear suspension simulation module 020 can be adjusted, thus, Ability to simulate vehicles with different wheelbases.

Further, the frame further includes a connecting rod 160 through which the four supporting frames 142 can be connected, so that the four analog modules 100 are connected as a whole.

As shown in Figures 1 and 4, the analog module 100 includes a mounting part 110 and a pressure applying part 120, the mounting part 110 is connected to the bearing part 150, the pressure applying part 120 is located above the mounting part 110, and the upper end of the air spring 040 is in contact with the pressure applying part 150. The pressure part 120 is connected, and the lower end of the air spring 040 is connected to the mounting part 110 , and the pressure applying part 120 can apply force to the air spring 040 to simulate the load state when the air spring 040 is mounted on a vehicle.

As shown in Figure 4, the mounting part 110 includes a mounting plate 111, a mounting base 112 and a fixed tooling 113, the mounting plate 111 is connected to the bearing part 150, the mounting base 112 is fixed on the bearing plate, and the fixing tooling 113 and the mounting base 112 are detachable Connection, fixing tooling 113 is used for fixing air spring 040. The fixed tooling 113 is detachably connected to the mounting base 112. In this way, different fixed tooling 113 can be used according to the type of the air spring 040 to be tested, which further enriches the usage scenarios of the air spring testing device.

Taking the fixed tool 113 in Fig. 4 as an example, the fixed tool 113 can be cylindrical, and the fixed tool 113 can include a plurality of bolt holes, and the fixed tool 113 can be installed on the mounting seat 112 by the bolts passing through the bolt holes, and the fixed tool 113 There is a round hole in the middle of the hole, and the part of the air spring 040 (not shown in Figure 4) is set in the round hole. After the air spring 040 is inflated, the air spring 040 is interference fit with the round hole. In this way, the air spring 040 is 040 positioning.

As shown in Figure 4, the pressing part 120 comprises a tray 121 and a weight 122, the tray 121 is used to carry the weight 122, the lower end of the tray 121 is connected with the air spring 040, and the air spring 040 can be exerted force through the weight 122, so as to Simulate the working condition of air spring 040.

As shown in FIG. 5 , the simulation module 100 further includes a guide part 130 extending along the third direction L3 , and the tray 121 is slidably connected to the guide part 130 , so that the movement of the tray 121 and the weight 122 can be guided. The guide part 130 includes a sliding plate 133, two sliding rails 131 and two sliding blocks 132. The sliding plate 133 is provided with two sliding rails 131, and the two sliding rails 131 extend along the third direction L3. Two sliders 132 are provided respectively, and both sliders 132 are connected with the tray 121 , and the two sliders 132 can move along the two slide rails 131 respectively, and can guide the movement of the tray 121 and the weight 122 .

Further, the weight 122 can be in the shape of a disc, and in the use state of the air spring testing device, the weight 122 can be added to the tray 121, so that the slider 132 moves down along the slide rail 131, so that the air spring 040 is Compression, in this way, can simulate the use condition of the air spring 040. The number of weights 122 can be multiple, and a plurality of weights 122 are stacked along the third direction L3, the number of weights 122 and the weight of each weight 122 can be adjusted according to the load situation of the vehicle to be simulated, so, It further enriches the usage scenarios of the air spring test device.

When placing the air spring in the simulation module of the front suspension simulation module or the simulation module of the rear suspension simulation module, by increasing or reducing the number of weights, the air spring in the front suspension or the rear suspension can be adjusted. Suspension Simulation of the working conditions of the air spring in the suspension, in order to test the performance of the air spring.

The distance between the front suspension simulation module 010 and the rear suspension simulation module 020 in the air spring test device of the present application can be adjusted, so that the air spring test device can simulate the suspension system of vehicles with different wheelbases. Front suspension and rear suspension. The distance between the two simulation modules 100 in the front suspension simulation module 010 and the distance between the two simulation modules 100 in the rear suspension simulation module 020 can be adjusted, so that the air spring test device can simulate a Front suspension and rear suspension in the suspension system of vehicles with different wheelbases. The number of weights 122 on the pallet 121 of the four simulation modules 100 can be adjusted, so that when the four air springs 040 are respectively arranged on the four simulation modules 100, the number of weights 122 and each weight 122 can be adjusted. Adjust the load distribution of the four air springs 040 to realize the simulation of the working conditions of the air springs in the front suspension or the air springs in the rear suspension.

Above, the air spring test device can reproduce the load distribution, wheelbase, wheel base and air spring layout of the actual vehicle to simulate the working conditions of the air spring, which solves the problem that the air spring cannot be tested on a real vehicle during the development stage. The problem. Through the restoration of the actual working conditions of the air spring, the accuracy of the theoretical calculation of the air spring can be verified, and it can help to correct the errors caused by incomplete influencing factors and inaccurate model parameters introduced in the theoretical calculation, and have a great impact on the development and performance analysis of the air spring. has an important role. At the same time, the working condition parameters of the air spring test device can be adjusted flexibly, and the parameters of different vehicle models can be simulated, which enriches the use scenarios of the air spring test device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand : It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the various embodiments of the present invention Scope of technical solutions.

Claims (10)

1. An air spring test device is characterized in that the air spring test device is used for simulating a front suspension and a rear suspension of a vehicle,

the air spring testing device comprises a front suspension simulation module, a rear suspension simulation module, an adjusting module and a rack, wherein the front suspension simulation module and the rear suspension simulation module are used for placing air springs so as to respectively simulate the front suspension and the rear suspension;

the front suspension simulation module and the rear suspension simulation module are disposed at an interval in the frame along a first direction, and the adjustment module is capable of applying a force to at least one of the front suspension simulation module and the rear suspension simulation module to move the front suspension simulation module and the rear suspension simulation module closer to or farther from each other in the first direction.

2. The air spring test apparatus according to claim 1, wherein the front suspension simulation module and the rear suspension simulation module each include two simulation modules, the two simulation modules included in the front suspension simulation module are spaced apart in a second direction, the two simulation modules included in the rear suspension simulation module are also spaced apart in the second direction, and the simulation modules are disposed to be movable in the second direction, which is perpendicular to the first direction.

3. The air spring test apparatus according to claim 2, wherein the adjustment module includes four adjustment assemblies, four of the adjustment assemblies correspond one-to-one with four of the two simulation modules included in the front suspension simulation module and the two simulation modules included in the rear suspension simulation module,

the simulation module comprises a mounting component and a bearing part, the mounting component is connected with the bearing part in a sliding way and used for placing the air spring,

the adjustment assembly includes a pushing portion capable of applying a force to the mounting assembly to move the mounting assembly in the first direction.

4. The air spring test device according to claim 3, wherein the number of the pushing portions is two, two pushing portions are provided on both sides of the bearing portion in the first direction, and both pushing portions can apply force to the simulation module.

5. The air spring testing apparatus of claim 3, wherein the simulation module further comprises a moving assembly, the moving assembly is connected with the mounting assembly via the bearing portion, and the moving assembly can move along the second direction to drive the mounting assembly to move.

6. The air spring test apparatus of claim 5, wherein the moving assembly includes a connecting portion and a driving portion, the connecting portion being connected to the carrier portion, the driving portion being capable of driving the connecting portion to move in the second direction.

7. The air spring test device according to claim 3, wherein the mounting assembly comprises a mounting portion and a pressing portion, the mounting portion is connected with the bearing portion, one end of the air spring is connected with the pressing portion, the other end of the air spring is connected with the mounting portion, the pressing portion can apply acting force to the air spring along a third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

8. The air spring testing device according to claim 7, wherein the mounting portion comprises a mounting seat and a fixing tool, the mounting seat is fixed on the bearing portion, the fixing tool is detachably connected with the mounting seat, and the fixing tool is used for fixing the air spring.

9. The air spring test device according to claim 7, wherein the pressing portion includes a tray connected to the air spring and a weight provided on the tray,

the weight is provided in a plurality, and the weights are stacked in the third direction.

10. The air spring test apparatus of claim 9, wherein the simulation module further comprises a guide portion extending along the third direction, the tray being slidably coupled to the guide portion to guide the tray.

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