爆胎模拟放气装置

Abstract

本申请提供了一种爆胎模拟放气装置，涉及车辆测试设备技术领域。爆胎模拟放气装置包括：至少一个气管，所述气管的一端用于与轮胎连通；分配组件，所述分配组件用于与车轮的轮毂连接，所述分配组件设有气室，所述气管的另一端与所述气室连通；及放气组件，所述放气组件通过旋转接头与所述分配组件连接，所述放气组件与所述气室连通。爆胎模拟放气装置可以通过对轮胎放气以及调节放气速率的方式，来模拟轮胎爆胎的各种场景工况，满足汽车安全测试中对不同爆胎工况的验证需求。并且，采用放气的方式不会对轮胎造成破坏，只需要对轮胎进行二次打气，即可再次进行实验。由此，有利于降低测试成本，提高测试效率，缩短研发周期。

Claims

1. A flat tire simulation deflation device, characterized by, The tire deflation simulation device comprises: at least one air pipe, one end of which is used to communicate with a tire; a distribution assembly used to connect with a hub of a wheel, the distribution assembly being provided with an air chamber, the other end of the air pipe being in communication with the air chamber; and a deflation assembly connected with the distribution assembly through a rotary joint, the deflation assembly being in communication with the air chamber.

2. The flat tire simulation deflation device of claim 1, wherein, The distribution assembly comprises a distributor and a mounting plate connected with each other, the mounting plate being connected with the hub through a connecting member; the distributor being provided with the air chamber, the distributor being further provided with at least one air hole in communication with the air chamber, the other end of the air pipe being connected with the air hole.

3. The flat tire simulation deflation device of claim 2, wherein, The air pipe is a plurality of air pipes, the tire is uniformly provided with a plurality of deflation holes in the circumferential direction, the distributor is uniformly provided with a plurality of air holes in the circumferential direction, one end of each air pipe is connected with one deflation hole, and the other end is connected with one air hole.

4. The flat tire simulation deflation device of claim 1, wherein, The tire deflation simulation device further comprises a fixing assembly, the rotary joint comprises a first pipe part and a second pipe part rotatably connected with each other, the end of the first pipe part is connected with the distribution assembly, and the end of the second pipe part is connected with the deflation assembly; the fixing assembly is connected with the second pipe part, and the fixing assembly is used to fix the deflation assembly.

5. The flat tire simulation deflation device of claim 4, wherein, The second pipe part comprises a first section and a second section, the first section extends in a first direction, the second section extends in a second direction, the end of the second section is connected with the deflation assembly, and the first direction and the second direction are perpendicular to each other; the fixing assembly comprises a linkage structure and at least one adsorption structure sleeved on the linkage structure, the linkage structure is connected with the first section, and the adsorption structure is used to adsorb a vehicle body; the adsorption structure comprises at least one of a magnetic adsorption structure, a vacuum adsorption structure and a glue adsorption structure.

6. The flat tire simulation deflation device of claim 5, wherein, The linkage structure comprises a first linkage, the first linkage is connected with the first section and extends in the second direction, the adsorption structure is sleeved on the first linkage, the height of the adsorption structure in the second direction is adjustable, and the adsorption structure is used to adsorb a side wall of the vehicle body.

7. The flat tire simulation deflation device of claim 6, wherein, The adsorption structure is a plurality of adsorption structures, the plurality of adsorption structures comprises at least one first adsorption structure and at least one second adsorption structure; the first adsorption structure comprises a first rod, a second rod and at least one suction cup, one end of the first rod is sleeved on the first linkage, the other end extends in a third direction and is movably connected with the second rod, the second rod extends in the first direction, the second rod can move in the first direction relative to the first rod and can rotate about the first rod as an axis, and the third direction, the first direction and the second direction are perpendicular to each other; the second adsorption structure comprises a connecting plate, at least one telescopic rod and a magnetic adsorption member, the connecting plate is sleeved on the first linkage, the magnetic adsorption member is connected with the connecting plate through the telescopic rod, and the length of the telescopic rod in the first direction is adjustable.

8. The flat tire simulation deflation device of claim 5, wherein, The connecting rod structure comprises a first connecting rod connected with the first section and extending along the second direction, and a second connecting rod connected with the first connecting rod and extending along the first direction; The adsorption structure is connected with the second connecting rod, the height of the adsorption structure in the second direction is adjustable, and the adsorption structure is used for adsorbing the top of the vehicle body.

9. The flat tire simulation deflation device of any of claims 1-8, wherein, The deflation assembly comprises an electromagnetic valve connected with the rotary joint; The tire burst simulation deflation device further comprises a controller electrically connected with the electromagnetic valve.

10. The flat tire simulation deflation device of claim 9, wherein, The deflation assembly further comprises an adapter and a pressure sensor. The electromagnetic valve is connected with the rotary joint through the adapter, the pressure sensor is connected with the adapter, and the pressure sensor is electrically connected with the controller.

Images