CN-224231501-U - Tunnel segment thermal coupling test system

CN224231501UCN 224231501 UCN224231501 UCN 224231501UCN-224231501-U

Abstract

The utility model provides a tunnel segment thermal coupling test system which comprises a fire resistant furnace, a gas supply device, an exhaust gas treatment device and a pressure loading mechanism, wherein the gas supply device and the exhaust gas treatment device are communicated with the fire resistant furnace, the gas supply device is used for conveying gas into the fire resistant furnace, the exhaust gas treatment device is used for recovering exhaust gas in the fire resistant furnace, a heat outlet is arranged at the upper end of the fire resistant furnace, the pressure loading mechanism comprises a mounting frame, a transverse force loading device and a vertical force loading device, the transverse force loading device comprises a mounting base, a transverse driving assembly and a transverse clamping assembly, and the vertical force loading device comprises a mounting top plate, a vertical driving assembly and a vertical clamping assembly.

Inventors

WEN HONGZHONG
LI ZHONGMING
WEN QIONG
WANG JIANLIN
LIANG MINGDE

Assignees

东莞市中诺质检仪器设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250530

Claims (7)

1. The tunnel segment thermal coupling test system is characterized by comprising a fire resistant furnace, a gas supply device, an exhaust gas treatment device and a pressure loading mechanism, wherein the gas supply device and the exhaust gas treatment device are communicated with the fire resistant furnace, the gas supply device is used for conveying gas to the fire resistant furnace, the exhaust gas treatment device is used for recycling exhaust gas in the fire resistant furnace, the upper end of the fire resistant furnace is provided with a heat outlet, the pressure loading mechanism comprises a mounting frame, a transverse force loading device and a vertical force loading device, the fire resistant furnace corresponds to the lower side of the mounting frame, the transverse force loading device comprises a mounting base, a transverse driving assembly and a transverse clamping assembly, the mounting base is fixed on the mounting frame, the transverse driving assembly is fixed on the mounting base, the power output end faces the fire resistant furnace, the transverse clamping assembly is fixed on the power output end of the transverse driving assembly and corresponds to the heat outlet, the transverse force loading device is symmetrically arranged on the left and right sides of the fire resistant furnace, the vertical force loading device comprises a mounting top plate, a vertical driving assembly and a vertical clamping assembly, the mounting frame is fixed on the mounting frame, and the vertical driving assembly is fixed on the top plate and corresponds to the power output top plate.
2. The tunnel segment thermal coupling test system according to claim 1, wherein the transverse clamping assembly comprises a guide rail, an L-shaped frame, a hinged plate, a push plate and a baffle plate, the guide rail is fixed above the mounting base, the vertical portion of the L-shaped frame is fixed at the power output end of the transverse driving assembly, the transverse portion of the L-shaped frame is in sliding connection with the guide rail, the hinged plate is fixed on the transverse portion and the vertical portion of the L-shaped frame, the outer side of the push plate is rotatably mounted on the hinged plate, and the baffle plate is provided with two groups and is respectively fixed on the upper side and the lower side of the inner side of the push plate.
3. The tunnel segment thermal coupling test system of claim 2, wherein the transverse clamping assembly further comprises a first pressure sensor, and the vertical portion of the L-shaped frame is fixed at the power output end of the transverse driving assembly through the first pressure sensor.
4. The tunnel segment thermal coupling test system according to claim 1, wherein the vertical clamping assembly comprises a hinge seat, a support frame, an adjusting slide block and a pressing rod, the hinge seat is fixed at a power output end of the vertical driving assembly, the upper end of the support frame is rotatably arranged at the lower end of the hinge seat, the adjusting slide block is fixed at the lower end of the support frame and is adjustable in position along the left and right directions, the pressing rod is fixed at the lower end of the adjusting slide block, and the adjusting slide block and the pressing rod are respectively arranged on the left side and the right side of the support frame.
5. The tunnel segment thermal coupling testing system of claim 4, wherein the vertical clamping assembly further comprises a second pressure sensor, and the hinge base is fixed on the vertical driving assembly through the second pressure sensor.
6. The tunnel segment thermal coupling test system according to claim 4, wherein the lower end of the support frame is provided with a strip-shaped hole, and the adjusting slide block is fixed on the support frame through a screw penetrating through the strip-shaped hole.
7. The tunnel segment thermal coupling test system according to claim 4, wherein the pressure bar is cylindrical and the central axis is arranged in the front-rear direction.

Description

Tunnel segment thermal coupling test system Technical Field The utility model relates to the technical field of building structure testing, in particular to a tunnel segment thermal coupling testing system. Background The shield segment is a main assembly component for shield construction, is the innermost barrier of a tunnel, and plays roles of resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of the tunnel by a shield method, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are affected. The production of the shield segment generally adopts high-strength impervious concrete to ensure reliable bearing performance and waterproof performance, and the production mainly utilizes a finished segment mold to mold after sealing and pouring the concrete, and the segment is quickly assembled into a ring after the shield is pushed. In the actual use scene, both ends of the single pipe piece are extruded by the adjacent pipe pieces, and one side of the arc-shaped bulge is also subjected to the pressure of the soil layer, and the traditional thermal coupling test equipment is generally only used for testing the flat plate-shaped building materials, so that the pressure can only be applied to both ends of a test workpiece and the test cannot be applied to the tunnel pipe piece, and therefore, in order to obtain the accurate thermal coupling test result of the tunnel pipe piece, a tunnel pipe piece thermal coupling test system is necessary to be manufactured so as to solve the problems. Disclosure of utility model The utility model aims to provide a tunnel segment thermal coupling test system for solving the problems in the background art. In order to achieve the above object, the present utility model provides the following technical solutions: The utility model provides a tunnel segment heating power coupling test system, including the fire resistant stove, gas supply device, exhaust treatment device and pressure loading mechanism, gas supply device and exhaust treatment device all communicate in with the fire resistant stove, gas supply device is used for carrying gas to the fire resistant stove in, exhaust treatment device is used for retrieving the waste gas in the fire resistant stove, the upper end of fire resistant stove is equipped with out the hot mouth, pressure loading mechanism includes the mounting bracket, lateral force loading device and vertical force loading device, the fire resistant stove corresponds the downside of mounting bracket, lateral force loading device includes the installation base, lateral drive assembly and lateral clamp assembly, the installation base is fixed on the mounting bracket, lateral drive assembly is fixed on the installation base and the power take off end is towards the fire resistant stove, lateral clamp assembly is fixed at lateral drive assembly's power take off end and is corresponding to out the hot mouth, lateral force loading device sets up two sets of bilateral symmetry about the fire resistant stove, vertical force loading device is including the installation roof, vertical drive assembly and vertical clamp assembly, the installation roof is fixed on the mounting roof, vertical drive assembly is fixed on the power take off end and the power take off end down, vertical clamp assembly is fixed at vertical drive assembly's power take off end and is corresponding to the top of out the hot mouth. The transverse clamping assembly comprises a guide rail, an L-shaped frame, a hinged plate, a push plate and a baffle plate, wherein the guide rail is fixed above the mounting base, the vertical part of the L-shaped frame is fixed at the power output end of the transverse driving assembly, the transverse part of the L-shaped frame is in sliding connection with the guide rail, the hinged plate is fixed on the transverse part and the vertical part of the L-shaped frame, the outer side of the push plate is rotatably mounted on the hinged plate, and the baffle plate is provided with two groups and is respectively fixed on the upper side and the lower side of the inner side of the push plate. Further describing the utility model, the transverse clamping assembly further comprises a first pressure sensor, and the vertical part of the L-shaped frame is fixed at the power output end of the transverse driving assembly through the first pressure sensor. The vertical clamping assembly comprises a hinging seat, a supporting frame, an adjusting slide block and a pressing rod, wherein the hinging seat is fixed at the power output end of the vertical driving assembly, the upper end of the supporting frame is rotatably arranged at the lower end of the hinging seat, the adjusting slide block is fixed at the lower end of the supporting frame and is adjustable in position along the left and ri