一种沉管隧道橡胶支座应变测量装置
By designing a device that includes a test chamber, a pressurizing pump, a heating chamber, a cooling chamber, and a vibration table, the problem of testing the sealing performance and seismic resistance of rubber bearings in underwater environments was solved, enabling comprehensive simulation testing of rubber bearings and ensuring their reliability in immersed tunnels.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA RAILWAY TUNNEL GROUP CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-07-17
Smart Images

Figure CN224518114U_ABST
Abstract
Claims
1. A strain measuring device for immersed tube tunnel rubber bearing, comprising a test box (1) and a pressurizing pump (9), characterized in that, A control panel (101) is fixedly installed on one side of the test chamber (1). A viewing plate (102) is provided on one side of the control panel (101). The viewing plate (102) is fixedly connected to one side of the test chamber (1). A top cover (103) is provided on the top of the test chamber (1). Hydraulic support rods (104) are movably connected to both sides of the top cover (103). The bottom end of the hydraulic support rods (104) is movably connected to one side of the outer wall of the test chamber (1). The pressure pump (9) is fixedly connected to the top of the test chamber (1) by a hydraulic support rod (104). The pressure pump (9) is fixedly connected to one side of the outer wall of the test chamber (1) by bolts. An inlet pipe (901) and an outlet pipe (902) are fixedly connected to one side of the pressure pump (9). The inlet pipe (901) and the outlet pipe (902) are respectively fixedly connected to one side of the inner wall of the test chamber (1). A water inlet pipe (2) is provided on the side of the inner wall of the test chamber (1) away from the inlet pipe (901).
2. The immersed tube tunnel rubber bearing strain measurement device according to claim 1, wherein, The water inlet pipe (2) is fixedly connected to the inner wall of the test box (1). A first T-shaped pipe (3) is fixedly connected to the inner wall of the test box (1). The top end of the first T-shaped pipe (3) is fixedly connected to one side of the water inlet pipe (2). An equipment slot (105) is opened at the bottom of the side of the test box (1) away from the pressurizing pump (9).
3. The immersed tunnel rubber bearing strain measurement device according to claim 2, wherein, A heating box (4) and a cooling box (5) are fixedly installed in the equipment tank (105). The heating box (4) and the cooling box (5) are attached to each other on one side. The bottom end of the first T-shaped tube (3) is fixedly connected to the top of the cooling box (5) and the heating box (4). Water pipes (301) are installed inside the heating box (4) and the cooling box (5).
4. The immersed tunnel rubber bearing strain measurement device according to claim 3, wherein, The top ends of several water supply pipes (301) are fixedly connected to the bottom two sections of the first T-shaped pipe (3), and the other ends of several water supply pipes (301) are fixedly connected to a second T-shaped pipe (302). The two sections of the tail end of the second T-shaped pipe (302) are respectively fixedly connected to the outside of the heating box (4) and the cooling box (5).
5. A strain measurement device for a rubber bearing of a immersed tube tunnel according to claim 4, wherein The second T-tube (302) and the first T-tube (3) are both fixedly connected to the external ends of the water supply pipe (301) with an electric control valve (303). The second T-tube (302) is located on the outside side of the test box (1). Several hydraulic actuators (7) are fixedly installed on the bottom of the test box (1). A vibration table (6) is provided inside the test box (1).
6. A strain measurement device for a rubber bearing of a immersed tube tunnel according to claim 5, wherein The top of the hydraulic actuator (7) is movably mounted on the bottom of the vibration table (6). A drain pipe (8) is provided on one side of the bottom of the vibration table (6). The top of the drain pipe (8) is connected to the bottom of the test box (1), and the tail end of the drain pipe (8) is connected to one side of the test box (1). A control valve (801) is fixedly connected to the outside of the drain pipe (8). The drain pipe (8) is located at the bottom of the pressure pump (9).