Patent ID: 11940353
Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The test device according to claim 4, further comprising a test bench, wherein the test bench comprises a bracket, an insulating operating desk, and a frame;
the bracket comprises an on-off valve bracket, a shut-off valve bracket, an electro/pneumatic proportional valve bracket, a brake chamber bracket, and a force sensor bracket, which are respectively configured to fix the on-off valve, the shut-off valve, the electro/pneumatic proportional valves, the brake chamber, and the force sensor on the insulating operating desk through fasteners, such that the pneumatic circuit is on a same plane;
the insulating operating desk comprises an insulating pad and a bench panel; the insulating pad is laid between the bracket and the bench panel; the bench panel is configured to fix the bracket and the automatic pressure regulating valve to be tested in the same plane; and
the frame is configured to support the insulating operating desk.