CN217687894U - Air spring test device - Google Patents

Abstract

The utility model provides an air spring test device relates to air spring technical field. The air spring testing device is used for simulating a front suspension and a rear suspension of a vehicle and 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 arranged at intervals on the rack along a first direction, and the adjusting module can apply force to at least one of the front suspension simulation module and the rear suspension simulation module to enable the front suspension simulation module and the rear suspension simulation module to approach or move away from each other in the first direction. The air spring test device solves the problems that the existing test stand can only simulate a vehicle with a single model and the use scene is single, and enriches the use scene of the air spring test device.

Description

Air spring test device

Technical Field

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

Background

The existing vehicle suspension system is generally provided with an air spring, and the performance of the air spring needs to be tested in the research and development process of the air spring of a vehicle, however, in the research and development process, the real vehicle carrying test on the air spring is inconvenient, so that the air spring is generally tested by simulating the suspension system of the vehicle through a test bed. However, the existing test stand can only simulate the suspension system of a vehicle with a single model, and the use scene is single.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides an air spring testing apparatus, an air spring is placed on a front suspension simulation module and a rear suspension simulation module, a front suspension and a rear suspension of a vehicle can be simulated, at least one of the front suspension simulation module and the rear suspension simulation module is applied with force through an adjustment module, so that the front suspension simulation module and the rear suspension simulation module are close to or far away from each other in a first direction, so as to simulate the front suspension and the rear suspension in a suspension system of vehicles with different wheelbases, the problem that an existing testing stand can only simulate the suspension system of a vehicle with a single model is solved, the use scene is single, and the use scene of the air spring testing apparatus is enriched.

The air spring testing device is used for simulating a front suspension and a rear suspension of a vehicle and 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.

Preferably, 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 arranged at intervals along a second direction, the two simulation modules included in the rear suspension simulation module are also arranged at intervals along the second direction, the simulation modules are arranged to be movable along the second direction, and the second direction is perpendicular to the first direction.

Preferably, the adjusting module includes four adjusting assemblies, the four adjusting assemblies correspond to two simulation modules included in the front suspension simulation module and two simulation modules included in the rear suspension simulation module one to one, each simulation module includes a mounting assembly and a bearing portion, the mounting assembly is connected to the bearing portion in a sliding manner, the mounting assembly is used for placing the air spring, and the adjusting assembly includes a pushing portion capable of applying force to the mounting assembly so as to enable the mounting assembly to move along the first direction.

Preferably, the number of the pushing portions is two, the two pushing portions are arranged on two sides of the bearing portion in the first direction, and both the two pushing portions can apply force to the simulation module.

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

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

Preferably, the installation component includes installation department and portion of exerting pressure, the installation department with the load-bearing part is connected, air spring's one end with the portion of exerting pressure is connected, air spring's the other end with the installation department is connected, it can be right to exert pressure the effort of edge third direction is applyed to air spring, the third direction respectively with first direction with both sides of second direction are perpendicular.

Preferably, the installation part comprises an installation seat and a fixing tool, the installation seat is fixed on the bearing part, the fixing tool is detachably connected with the installation seat, and the fixing tool is used for fixing the air spring.

Preferably, the pressure portion includes tray and pouring weight, the tray with air spring is connected, the pouring weight set up in on the tray, the quantity of pouring weight is a plurality of, and is a plurality of the pouring weight is followed the third direction sets up of piling up.

Preferably, the simulation module further comprises a guide portion extending along the third direction, and the tray is slidably connected with the guide portion to guide the tray.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 shows a schematic structural view of an air spring test rig according to an embodiment of the present invention;

FIG. 2 shows a partially enlarged schematic view of the moving assembly;

FIG. 3 shows a partially enlarged schematic view of an adjustment module;

FIG. 4 shows an enlarged partial schematic view of the mounting assembly;

fig. 5 shows a partially enlarged schematic view of the guide portion.

An icon: 010-front suspension simulation module; 020-rear suspension simulation module; 030-an adjustment module; 040-air spring; 100-an analog module; 110-a mounting portion; 111-a mounting plate; 112-a mount; 113-fixing a tool; 120-a pressing part; 121-a tray; 122-weight; 130-a guide; 131-a slide rail; 132-a slider; 133-sliding plate; 140-a moving assembly; 141-connecting block; 142-a support frame; 143-a nut; 144-a lead screw; 145-a connector tile; 146-a hand wheel; 150-a carrier; 160-connecting rod; 200-a tuning assembly; 210-a pushing portion; 220-a fixed plate; l1-a first direction; l2-a second direction; l3-third direction.

Detailed Description

The following detailed description is provided to assist the reader in obtaining a thorough 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 to those skilled in the art upon review of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.

The features described herein may be embodied 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 to implement the methods, devices, 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," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly on" or "directly over" another element, there may be no intervening elements present.

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

Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. 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 the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.

For ease of description, spatial relationship terms such as "above 8230 \8230; above", "upper", "above 8230 \8230; below" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship 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 "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "over" \\8230; \8230; "includes both orientations" over "\8230; \8230and" under "\8230;" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

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

According to the present application, an air spring testing apparatus is provided, the air spring testing apparatus is used for simulating a vehicle, as shown in fig. 1, the air spring testing apparatus includes a front suspension simulation module 010, a rear suspension simulation module 020 and an adjustment module 030, both the front suspension simulation module 010 and the rear suspension simulation module 020 are used for placing an air spring 040 so as to respectively simulate a front suspension and a rear suspension of the vehicle, the front suspension simulation module 010 and the rear suspension simulation module 020 are disposed at an interval on a rack along a first direction L1, the adjustment module 030 is capable of applying a force to at least one of the front suspension simulation module 010 and the rear suspension simulation module 020 so as to enable the front suspension simulation module 010 and the rear suspension simulation module 020 to be close to or far away from each other in the first direction L1. This air spring test device passes through adjusting module 030 to at least one application of force in front suspension analog module 010 and the back suspension analog module 020 in the two, make front suspension analog module 010 and back suspension analog module 020 be close to each other or keep away from, so, can simulate front suspension and back suspension among the suspension system of the vehicle that has different wheelbases, solved current solution current test bench can only simulate the vehicle of single model, problem that the use scene is single, air spring test device's use scene has been enriched.

As shown in fig. 1, the front suspension simulation module 010 includes two simulation modules 100, the simulation modules 100 of two of the front suspension simulation modules 010 are arranged at an interval along a second direction L2, the second direction L2 is arranged at an interval with the first direction L1, and the two simulation modules 100 of the front suspension simulation module 010 are used for simulating the working condition of the air spring connected with two front wheels; the rear suspension simulation module 020 also comprises 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 for simulating the working condition of the air spring connected with the two rear wheels. The simulation module 100 can move along the second direction L2, so that the two simulation modules 100 in the front suspension simulation module 010 can be close to or far away from each other, and the two simulation modules 100 in the rear suspension simulation module 020 can also be close to or far away from each other, so that the air spring test device can simulate vehicles with different wheel distances, and the use scenes of the air spring test device are further enriched.

Further, the adjusting module 030 includes four adjusting elements 200, and the four analog modules 100 correspond to the four adjusting modules 030 one to one. As shown in fig. 1 and 3, the adjusting module 030 includes a pushing portion 210 and a fixing plate 220, the simulation module 100 includes a mounting assembly and a bearing portion 150, the mounting assembly is slidably connected to the bearing portion 150, the pushing portion 210 includes a plurality of bolts, for example, 2, 4, 5 or more bolts, which are arranged at intervals along the second direction L2, the fixing plate 220 is arranged at an end portion of the bearing portion 150, the bolts extend along the first direction L1, holes are formed in the fixing plate 220, the bolts respectively penetrate through the holes, the end portions of the bolts contact with the simulation module 100, and the bolts are screwed to apply force to the simulation module 100, so that the simulation module 100 can move along the first direction L1.

In addition, the number of the pushing portions 210 is two, the two pushing portions 210 are respectively disposed at two ends of the bearing portion 150 in the first direction L1, the two pushing portions 210 can both apply force to the simulation module 100, and the position of the simulation module 100 in the first direction L1 can be further adjusted, so that the simulation of the vehicles with different wheelbases is realized.

Further, as shown in fig. 1 and fig. 2, the simulation module 100 further includes a moving assembly 140, the moving assembly 140 is disposed below the supporting portion 150, the moving assembly 140 includes a connecting portion and a driving portion, the connecting portion is connected to the adjusting module 030, and the driving portion can drive the connecting portion to move along the second direction L2, so as to drive the simulation module 100 to move along the second direction L2. The rack includes four supporting frames 142, and the four supporting frames 142 are respectively disposed under the four simulation modules 100. The driving portion comprises a nut 143 and a screw rod 144, the connecting portion comprises two connecting blocks 141, the screw rod 144 extends along the second direction L2, the screw rod 144 is fixed on the supporting frame 142 through the two connecting blocks 141, the screw rod 144 can rotate relative to the two connecting blocks 141, the nut 143 is sleeved in the middle of the screw rod 144, the nut 143 can rotate along the screw rod 144, one side, close to the bearing portion 150, of the nut 143 is provided with a connecting plate 145, and the connecting plate 145 is connected with the bearing portion 150 through a screw. The end of the screw 144 is provided with a hand wheel 146, and the hand wheel 146 can be rotated to drive the screw 144 to rotate, so that the nut 143 and the bearing part 150 move along the screw 144, and the simulation module 100 moves along the second direction L2. Thus, by providing the moving member 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, and thus, vehicles having different wheel pitches can be simulated.

Further, the rack further includes a connecting rod 160, and the four supporting brackets 142 may be connected by the connecting rod 160, so that the four simulation modules 100 are connected as a whole.

As shown in fig. 1 and 4, the simulation module 100 includes a mounting portion 110 and a pressing portion 120, the mounting portion 110 is connected to the carrier 150, the pressing portion 120 is located above the mounting portion 110, the upper end of the air spring 040 is connected to the pressing portion 120, the lower end of the air spring 040 is connected to the mounting portion 110, and the pressing portion 120 can apply a force to the air spring 040 to simulate a load state when the air spring 040 is mounted on the vehicle.

As shown in fig. 4, the mounting portion 110 includes a mounting plate 111, a mounting seat 112, and a fixing tool 113, the mounting plate 111 is connected to the bearing portion 150, the mounting seat 112 is fixed on the bearing plate, the fixing tool 113 is detachably connected to the mounting seat 112, and the fixing tool 113 is used to fix the air spring 040. The fixed tooling 113 is detachably connected with the mounting base 112, so that different fixed tooling 113 can be used according to the type of the air spring 040 to be tested, and the use scene of the air spring test device is further enriched.

Taking the fixing tool 113 in fig. 4 as an example, the fixing tool 113 may be cylindrical, the fixing tool 113 may include a plurality of bolt holes, bolts may penetrate through the bolt holes, the fixing tool 113 may be mounted on the mounting base 112, a circular hole is formed in the middle of the fixing tool 113, a portion of the air spring 040 (not shown in fig. 4) is disposed in the circular hole, and after the air spring 040 is inflated, the air spring 040 is in interference fit with the circular hole, so that the air spring 040 is positioned.

As shown in fig. 4, the pressing unit 120 includes a tray 121 and a weight 122, the tray 121 is used for bearing the weight 122, the lower end of the tray 121 is connected to the air spring 040, and the air spring 040 can be urged by the weight 122 to simulate the operation of the air spring 040.

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

Further, the weight 122 may be a disk-like shape, and in the use state of the air spring test apparatus, the weight 122 may be added to the tray 121 so that the slider 132 moves down along the slide rail 131 to compress the air spring 040, thereby simulating the use state of the air spring 040. The number of the weight 122 may be multiple, the multiple weights 122 are stacked along the third direction L3, and the number of the weights 122 and the weight of each weight 122 may be adjusted according to the load condition of the vehicle to be simulated, so as to further enrich the use scenario of the air spring testing apparatus.

When placing air spring in the simulation module in front suspension simulation module or the simulation module in the rear suspension simulation module, through the quantity that increases or reduces the pouring weight, can realize the simulation to the air spring in the front suspension or the air spring's in the rear suspension operating mode to test with the performance to air spring.

The distance between the front suspension simulation module 010 and the rear suspension simulation module 020 in the air spring testing device is adjustable, so that the air spring testing device can simulate a front suspension and a rear suspension in a suspension system of a vehicle with different wheelbases. The distance between two simulation modules 100 in the front suspension simulation module 010 and the distance between 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 a rear suspension in a suspension system of a vehicle with different wheel pitches. The number of the 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 provided in the four simulation modules 100, the load distribution of the four air springs 040 can be adjusted by the number of the weights 122 and the weight of each weight 122, thereby realizing simulation of the behavior of the air spring in the front suspension or the air spring in the rear suspension.

Above, the air spring test device can reproduce the load distribution, wheelbase, wheel track and the arrangement condition of the air spring of the real vehicle to simulate the working condition of the air spring, and the problem that the real vehicle cannot be carried to test in the development stage of the air spring is solved. By restoring the actual working condition of the air spring, the accuracy of theoretical calculation of the air spring can be verified, errors caused by incomplete influence factors and inaccurate model parameters can be introduced into the theoretical calculation, and the method has an important effect on development and performance analysis of the air spring. Meanwhile, the working condition parameters of the air spring test device are flexibly adjusted, parameters of different vehicle types can be simulated, and the use scene of the air spring test device is enriched.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

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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