Tunnel joint leaking stoppage test device
By designing a tunnel joint leakage test device including a support frame, an electric telescopic rod, a piston block, a test cylinder, an airbag, a heater and a vibrating motor, the problem of difficulty in accurately detecting tunnel environments in the prior art is solved, and higher detection accuracy and more effective seam material evaluation are achieved.
Patent Information
- Application Number
- CN202510091335.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-04-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In the leak plugging test, it is difficult to accurately detect tunnel environments of different shapes and temperatures, and traditional test tubes cannot guarantee the accuracy of the test.
A tunnel joint leakage plugging test device is designed, including a support frame, an electric telescopic rod, a piston block, a test cylinder, an airbag, a heater and a vibration motor. Through the combination of these components, it is possible to simulate tunnel environments of different shapes and temperatures, and to perform compression and vibration testing of the joint materials.
Accurate simulation of tunnel environments with different shapes and temperatures is achieved, the accuracy of detection is improved, the leakage plugging performance of seam materials can be more effectively evaluated, and experimental data after vibration is recorded, which is convenient for later comparison.
Smart Images
Figure CN119803788A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of tunnel joints, in particular to a tunnel joint leakage plugging test device. Background Art
[0002] With the acceleration of urbanization, the construction scale of tunnel projects is constantly expanding, and the quality and durability requirements of tunnels are getting higher and higher. Tunnel joints are the weak link of water leakage, and their plugging effect directly affects the service life and safety of the tunnel, so it is necessary to conduct plugging tests on tunnel materials.
[0003] At present, when conducting a leak-proof test on tunnel joint materials, a water pressure test is generally used to detect the joint materials, and then observe whether there are bubbles inside. However, the shapes and sizes inside the tunnel are different, so the test cannot be carried out according to the conventional shape. In addition, there is a large temperature difference in different places inside the tunnel, and the traditional test tube cannot guarantee the accuracy of the test. Therefore, it is necessary to propose a tunnel joint leak-proof test device. Summary of the invention
[0004] In view of the problems in the prior art, the present invention provides a tunnel joint leakage plugging test device.
[0005] The technical solution adopted by the present invention to solve the technical problem is: a tunnel joint plugging test device, comprising a support frame, a first electric telescopic rod is fixedly connected to the top of the support frame, and a piston block is fixedly connected to the outer wall of the top of the first electric telescopic rod; A U-shaped support frame is fixedly connected to the top of the two side walls of the support frame, a second electric telescopic rod is fixedly connected to the top of the support frame, a lifting plate is fixedly installed at the bottom end of the second electric telescopic rod, a plurality of rod barrels distributed in a circle array are fixedly connected to the bottom end of the lifting plate, a plurality of the rod barrels are embedded with and wound with heat conductive wires, and the heat conductive wires extend through the lifting plate to the top, three heaters are fixedly connected to the top of the lifting plate, and a plurality of the heat conductive wires are connected to the output end of the heater, a plurality of the rod barrels are sleeved with vibration rods, and a plurality of the top ends of the vibration rods are provided with wires, a vibration motor is installed on the outer wall of the bottom end of the second electric telescopic rod, and the output end of the vibration motor is connected to the wire; A number of elliptical hollow test cylinders are fixedly connected to the inner bottom end of the support frame, a number of first partition frames arranged in an arc shape are fixedly connected to the inner walls of the two inner walls of the test cylinders near the outer side, a first air bag is arranged inside the first partition frame, and a number of first air bag holes are penetrated through the arc-shaped side wall of the first partition frame, a number of second air bag holes are fixedly connected to the inner walls of the two inner walls of the test cylinders near the inner side, a second air bag is arranged inside the second partition frame, and a number of second air bag holes are penetrated through the arc-shaped side wall of the second partition frame, a number of double-head air pumps are fixedly connected to the lower ends of the outer walls of the test cylinders, and the two output ends of the double-head air pumps are fixedly connected to the first air duct and the second air duct, the first air duct is connected to the first air bag, and the second air duct is connected to the second air bag.
[0006] Specifically, three elliptical feeding holes are formed through the bottom of the support frame, and the inner diameters of the three feeding holes are matched with the outer diameter of the piston block.
[0007] Specifically, a plurality of piston rings are fixedly connected to the bottom end of the lifting plate, and the plurality of piston rings are matched with the inner diameter of the test cylinder.
[0008] Specifically, the thicknesses of the two vertical section side walls of the first bulkhead and the second bulkhead are arranged to be larger and smaller, and the diameter of the first airbag hole is larger than the diameter of the second airbag hole.
[0009] Specifically, a plurality of the test cylinders form a plurality of chambers through the first bulkhead and the second bulkhead, and the plurality of rod cylinders can pass through the chambers.
[0010] Specifically, the side walls of several test tubes are all transparent.
[0011] Specifically, the cross-section of the test tube is arranged in a cone shape.
[0012] Beneficial effects of the present invention: (1) The tunnel joint plugging test device described in the present invention can supply air to the first air duct and the second air duct through the double-head air pump, and then through the coordinated use of the first air bag, the second air bag, the first partition frame, the second partition frame, the first air bag holes, and the second air bag holes, chambers of different shapes can be formed inside the test tube, thereby simulating experimental environments of different shapes and sizes, thereby making the detection more accurate.
[0013] (2) The tunnel joint plugging test device described in the present invention can simulate chamber environments of different temperatures inside the test tube by means of the cooperation of a plurality of rod tubes, heat conducting wires and heaters, making the simulated environment more close to the real environment. Finally, by means of the second telescopic rod, lifting plate, vibration motor, wire and vibration rod, the joint material inside the test tube can be made more compact, and the experimental data after vibration can be recorded for the convenience of later comparison. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The present invention is further described below in conjunction with the accompanying drawings and embodiments.
[0015] Figure 1 A schematic structural diagram of a tunnel joint leakage plugging test device provided by the present invention; Figure 2 A schematic cross-sectional structure diagram of a support frame of a tunnel joint leakage plugging test device provided by the present invention; Figure 3 A schematic diagram of the cross-sectional structure of a test tube of a tunnel joint plugging test device provided by the present invention; Figure 4 A schematic diagram of a cross-sectional structure of a rod barrel of a tunnel joint leak-proofing test device provided by the present invention; Figure 5 A schematic diagram of the enlarged structure of the tunnel joint leakage plugging test device provided by the present invention; Figure 6 This is a schematic diagram of the enlarged structure of position B of a tunnel joint leakage plugging test device provided by the present invention; Figure 7 This is a schematic diagram of the enlarged structure of position C of a tunnel joint leakage plugging test device provided by the present invention.
[0016] In the figure: 1. support frame; 11. first electric telescopic rod; 12. piston block; 2. support frame; 201. feed hole; 21. second electric telescopic rod; 22. lifting plate; 23. rod barrel; 24. heat-conducting wire; 25. vibrating rod; 26. heater; 27. wire; 28. vibration motor; 29. piston ring; 3. test cylinder; 301. first air bag hole; 302. second air bag hole; 31. first partition frame; 32. first air bag; 33. second partition frame; 34. second air bag; 4. double-head air pump; 41. first air duct; 42. second air duct. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0018] like Figure 1-Figure 7As shown, a tunnel joint plugging test device according to the present invention comprises a support frame 1, a first electric telescopic rod 11 is fixedly connected to the top of the support frame 1, and a piston block 12 is fixedly connected to the outer wall of the top of the first electric telescopic rod 11; A U-shaped support frame 2 is fixedly connected to the top of the two side walls of the support frame 1, a second electric telescopic rod 21 is fixedly connected to the top of the support frame 2, a lifting plate 22 is fixedly installed at the bottom of the second electric telescopic rod 21, a plurality of rod barrels 23 distributed in a circle array are fixedly connected to the bottom of the lifting plate 22, a plurality of rod barrels 23 are embedded and wound with heat conductive wires 24, and the heat conductive wires 24 extend to the top of the lifting plate 22, three heaters 26 are fixedly connected to the top of the lifting plate 22, and a plurality of heat conductive wires 24 are connected to the output end of the heater 26, a plurality of rod barrels 23 are sleeved with vibration rods 25, a plurality of vibration rods 25 are provided with wires 27 at the top, a vibration motor 28 is installed on the outer wall of the bottom end of the second electric telescopic rod 21, and the output end of the vibration motor 28 is connected to the wire 27; A number of elliptical hollow test cylinders 3 are fixedly connected to the inner bottom end of the support frame 2, and a first partition frame 31 arranged in an arc shape is fixedly connected to the inner side walls of the several test cylinders 3 near the outer side. A first air bag 32 is arranged inside the first partition frame 31, and a number of first air bag holes 301 are penetrated through the arc-shaped side wall of the first partition frame 31, and a second partition frame 33 arranged in an arc shape is fixedly connected to the inner side of the two inner walls of the several test cylinders 3, and a second air bag 34 is arranged inside the second partition frame 33, and a number of second air bag holes 302 are penetrated through the arc-shaped side wall of the second partition frame 33, and a double-head air pump 4 is fixedly connected to the lower end of the outer wall of the several test cylinders 3, and the two output ends of the double-head air pump 4 are fixedly connected to the first air duct 41 and the second air duct 42, the first air duct 41 is connected to the first air bag 32, and the second air duct 42 is connected to the second air bag 34.
[0019] Specifically, three elliptical feeding holes 201 are provided through the bottom of the support frame 2 , and the inner diameters of the three feeding holes 201 are matched with the outer diameter of the piston block 12 . The test cylinder 3 can be closed by inserting the piston block 12 into the feeding hole 201 .
[0020] Specifically, a plurality of piston rings 29 are fixedly connected to the bottom end of the lifting plate 22 , and the plurality of piston rings 29 are adapted to the inner diameter of the test cylinder 3 , and the piston rings 29 compress the internal air along the inner wall of the test cylinder 3 .
[0021] Specifically, the thicknesses of the two vertical side walls of the first bulkhead 31 and the second bulkhead 33 are arranged to be larger and smaller, and the diameter of the first airbag hole 301 is larger than that of the second airbag hole 302 , and the first airbag 32 and the second airbag 34 expand to the outside of the first airbag hole 301 and the second airbag hole 302 .
[0022] Specifically, several test tubes 3 form several chambers through the first bulkhead 31 and the second bulkhead 33, and several rod tubes 23 can pass through them. The outer chamber is of a conventional shape, and the shapes of the two chambers near the inner side can be changed through the first airbag 32 and the second airbag 34.
[0023] Specifically, the side walls of the plurality of test tubes 3 are all transparent, and the transparency allows observation of the internal joint material conditions.
[0024] Specifically, the cross-sections of the test tubes 3 are all arranged in a cone shape, and the test tubes 3 arranged in a cone shape can carry different amounts of joint materials to ensure that joint materials of different thicknesses can be tested.
[0025] When in use, first start the first electric telescopic rod 11 to drive the plurality of piston blocks 12 to move upward, plug the plurality of feed holes 201 to close the test cylinder 3, and then inject the joint material into the plurality of test cylinders 3, and then start the double-head air pump 4, and inject air into the first air bag 32 and the second air bag 34 through the first air guide tube 41 and the second air guide tube 42 to expand them. At this time, the first air bag 32 and the second air bag 34 expand to the outside of the first air bag hole 301 and the second air bag hole 302, thereby changing the shape of the interior of the chamber, and detecting different shapes of environments. At the same time, one of the heaters 26 can be started to pass Several heat-conducting wires 24 can heat the rod barrel 23, thereby simulating the tunnel environment at different temperatures, and then start the second electric telescopic rod 21 to drive the lifting plate 22 to move downward. At this time, several rod barrels 23 will pass through different chambers, and then the piston ring 29 will compress the internal air along the inner wall of the test barrel 3. At this time, observe whether there are bubbles inside the test barrel 3, and make a record by observing the conditions inside different test barrels 3. Then, the vibration motor 28 can vibrate the vibration rod 25 through several wires 27, so that the joint material in the test barrel 3 can be vibrated to make the joint material inside the test barrel 3 more compact.
[0026] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.
Claims
1. A tunnel joint sealing test device, comprising a support frame (1), characterized in that: A first electric telescopic rod (11) is fixedly connected to the top end of the support frame (1), and a piston block (12) is fixedly connected to the outer wall of the top end of the first electric telescopic rod (11); The top ends of the two side walls of the support frame (1) are fixedly connected to a support frame (2) arranged in a U-shape, the top end of the support frame (2) is fixedly connected to a second electric telescopic rod (21), the bottom end of the second electric telescopic rod (21) is fixedly installed with a lifting plate (22), the bottom end of each of the lifting plates (22) is fixedly connected to a plurality of rod barrels (23) distributed in a circle array, each of the plurality of rod barrels (23) is embedded with a heat conductive wire (24) wound therein, and each of the heat conductive wires (24) passes through the lifting plate (2 2) extending to the top end, the top end of the lifting plate (22) is fixedly connected to three heaters (26), and a plurality of the heat-conducting wires (24) are connected to the output end of the heater (26), a plurality of the rod barrels (23) are sleeved with vibration rods (25), and a plurality of the top ends of the vibration rods (25) are provided with wires (27), and a vibration motor (28) is installed on the outer wall of the bottom end of the second electric telescopic rod (21), and the output end of the vibration motor (28) is connected to the wire (27); A plurality of elliptical hollow test tubes (3) are fixedly connected to the inner bottom end of the support frame (2); a plurality of first partition frames (31) are fixedly connected to both inner side walls of the plurality of test tubes (3) near the outer side thereof in an arc shape; a first air bag (32) is arranged inside the first partition frame (31); a plurality of first air bag holes (301) are penetrated through an arc-shaped side wall of the first partition frame (31); a plurality of second partition frames (33) are fixedly connected to both inner side walls of the plurality of test tubes (3) near the inner side thereof in an arc shape; A second air bag (34) is arranged inside the second bulkhead (33); a plurality of second air bag holes (302) are formed through an arc-shaped side wall of the second bulkhead (33); a double-head air pump (4) is fixedly connected to the lower ends of the outer walls of the plurality of test tubes (3); two output ends of the double-head air pump (4) are fixedly connected to a first air guide tube (41) and a second air guide tube (42); the first air guide tube (41) is connected to the inside of the first air bag (32), and the second air guide tube (42) is connected to the inside of the second air bag (34).
2. A tunnel joint leakage plugging test device according to claim 1, characterized in that: The bottom end of the support frame (2) is provided with three elliptical material discharge holes (201), and the inner diameters of the three material discharge holes (201) are matched with the outer diameter of the piston block (12).
3. A tunnel joint leakage plugging test device according to claim 1, characterized in that: A plurality of piston rings (29) are fixedly connected to the bottom end of the lifting plate (22), and the plurality of piston rings (29) are matched to the inner diameter of the test cylinder (3).
4. A tunnel joint leakage plugging test device according to claim 1, characterized in that: The thicknesses of the two vertical side walls of the first bulkhead (31) and the second bulkhead (33) are arranged to be larger and smaller, and the caliber of the first airbag hole (301) is larger than the caliber of the second airbag hole (302).
5. A tunnel joint leakage testing device according to claim 1, characterized in that: A plurality of the test cylinders (3) form a plurality of chambers through a first bulkhead (31) and a second bulkhead (33), and the plurality of rod cylinders (23) can pass through the chambers.
6. A tunnel joint leakage plugging test device according to claim 1, characterized in that: The side walls of the plurality of test tubes (3) are all transparent.
7. A tunnel joint leakage plugging test device according to claim 1, characterized in that: The cross-sections of the test cylinders (3) are all arranged in a conical shape.