Tunnel joint opening amount monitoring device

Abstract

The invention provides a tunnel joint opening amount monitoring device, which comprises a pipeline and a fixed pipe, a movable seat is movably mounted on the fixed pipe, an annular seat is welded on the movable seat, a support pipe is movably mounted on one side of the annular seat, and one end of the support pipe sleeves the fixed pipe. According to the tunnel joint opening amount monitoring device, when the device is used, one end of the fixing column is installed in the positioning pipe, the positioning pipe provides positioning support for the fixing column, the fixing column horizontally moves in the positioning pipe in the later period to complete monitoring of horizontal movement of a pipeline, and in addition, the positioning pipe is made of a rubber material; in the later period, when the fixing column moves up and down, the positioning pipe is driven to bend, meanwhile, monitoring of the first displacement meter is achieved, and shielding protection is completed while equipment positioning installation is achieved through the fixing pipe and the supporting pipe.

Description

Technical Field

[0001] The invention relates to the field of tunnel detection equipment, in particular to a tunnel joint opening amount monitoring device. Background Art

[0002] The opening amount of the immersed tube tunnel joint can directly reflect the operating status of the connecting components at the immersed tube tunnel joint. The existing immersed tube tunnel joint opening amount is monitored by installing a displacement meter bracket at the joint after the immersed tube tunnel pipe segment is sunk. The three displacement sensors installed on the bracket form a three-way displacement meter. The existing monitoring method uses a rigid connection, so the displacement monitoring accuracy of the pipe segment under horizontal and vertical movement is high, but it is difficult to monitor the displacement under the opening and torsion of the pipe segment.

[0003] According to a monitoring device for the opening amount of a immersed tube tunnel joint disclosed in a patent document with an existing publication number of CN221006265U, the device comprises four telescopic rods, which are arranged at four connection points of a tetrahedron, and each telescopic rod is arranged in a left-right direction and is parallel to each other, wherein the bottom surface of the tetrahedron is located at the left end, and the vertex is located at the right end, and the three telescopic rods at the three points of the bottom surface all extend toward the right end, and the telescopic rod at the vertex extends toward the left end, and each telescopic rod is provided with a first displacement sensor. When the technical scheme is in use, the displacement in the axial direction of the immersed tube is measured by the first displacement sensor, and the displacement changes of the joint up and down, front and back, and upward are measured by the second displacement sensor, so as to monitor the joint in all directions to obtain the changes in the opening amount of the joint, and the measurement is more comprehensive. With respect to the above technical scheme, although the scheme realizes all-round monitoring, it is unable to realize sealing protection at the sensor during detection, and it is also unable to realize rapid positioning and installation of the equipment, which is inconvenient during use. Summary of the invention

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a tunnel joint opening amount monitoring device to solve the problems raised in the above-mentioned background technology. The present invention has a novel structure. When in use, one end of the fixed column is installed inside the positioning tube. The positioning tube provides positioning support for the fixed column. Later, the supporting column moves horizontally inside the positioning tube to complete the monitoring of the horizontal movement of the pipeline. In addition, the positioning tube is made of rubber. Later, when the fixed column moves up and down, it drives the positioning tube to bend while realizing the monitoring of the first displacement meter. The fixed tube and the supporting tube realize the positioning and installation of the equipment while completing the shielding protection.

[0005] In order to achieve the above-mentioned purpose, the present invention is implemented through the following technical scheme: a tunnel joint opening amount monitoring device, including a pipeline and a fixed pipe, a movable seat is movably installed on the fixed pipe, a ring seat is welded on the movable seat, a support pipe is movably installed on one side of the ring seat, one end of the support pipe is sleeved on the fixed pipe, one end of the support pipe and the fixed pipe are both equipped with a fixed seat, a fixing hole is opened on the fixed seat, a threaded seat is fixed on the fixed pipe and the support pipe, a threaded column is rotatably installed on the threaded seat, one end of the threaded column is welded to a fixed disk, and an opening is opened on the fixed disk.

[0006] Furthermore, a measuring column is movably installed inside the opening, a scale line is provided on the measuring column, one end of the measuring column is movably in contact with the threaded seat, and a limiting groove is provided on the side of the measuring column.

[0007] Furthermore, a limiting block is movably installed inside the limiting groove, one side of the limiting block is fixed inside the opening, a tension mechanism is fixed inside the limiting groove, and one end of the tension mechanism is fixed on the limiting block.

[0008] Furthermore, a slide groove is formed on the fixed tube, a support mechanism is fixedly installed inside the slide groove, a slider is fixedly installed at one end of the support mechanism, and the slider is fixedly installed on the movable seat.

[0009] Furthermore, a fixing column is fixed inside the fixing tube, and a supporting column is fixedly installed inside the supporting tube. The supporting columns are distributed on the sides of the fixing columns in the shape of an equilateral triangle, and steel wires are fixed between the fixing columns and the supporting columns.

[0010] Furthermore, a first displacement meter is fixedly installed between the steel wires, a positioning tube is fixedly installed inside the support tube, and a reset mechanism is fixedly installed inside the positioning tube.

[0011] Furthermore, the fixing seat is provided with an annular groove, a limit ring is movably installed inside the annular groove, a mounting column is welded on the limit ring, and the mounting column is mounted on the fixing seat through an elastic mechanism.

[0012] Furthermore, a sealing disk is welded to one end of the installation column, a connecting column is welded to the sealing disk, and one end of the connecting column is respectively welded to the fixing tube and the supporting tube.

[0013] Furthermore, a water stop ring is fixedly installed between the pipes, a reserved hole is opened at one end of the pipe, and the fixed pipe and the support pipe are fixedly installed inside the reserved hole through a fixing seat.

[0014] Furthermore, a second displacement meter is fixed to one end of the reset mechanism, a positioning column is fixed to the second displacement meter, and the positioning column is in movably contact with one end of the fixing column.

[0015] Beneficial effects of the present invention:

[0016] 1. This tunnel joint opening amount monitoring device, when in use, one end of the fixed column is installed inside the positioning tube, the positioning tube provides positioning support for the fixed column, and later the fixed column moves horizontally inside the positioning tube to complete the monitoring of the horizontal movement of the pipeline. In addition, the positioning tube is made of rubber material, and later when the fixed column moves up and down, it drives the positioning tube to bend while realizing the monitoring of the first displacement meter, and the fixed tube and the support tube realize the positioning and installation of the equipment while completing the shielding protection.

[0017] 2. A tunnel joint opening amount monitoring device, the ring seat is in contact with the support tube in the later stage, when the support tube and the fixed tube move up and down, the ring seat cooperates with the support tube to package the internal seal, and the ring seat moves with the movable seat to complete the adjustment of the position of the support tube installed on the fixed tube. When the fixed tube and the support tube are installed, the threaded column rotates to adjust the diameter between the fixed plates, the threaded column diameter is adjusted to contact the inner wall of the reserved hole, and the threaded column cooperates with the reserved hole to realize adjustable installation under different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a tunnel joint opening amount monitoring device of the present invention;

[0019] Figure 2 It is a schematic structural diagram of a fixed column of a tunnel joint opening amount monitoring device of the present invention;

[0020] Figure 3 It is a schematic diagram of the side cross-sectional structure of a fixed pipe and a support pipe of a tunnel joint opening amount monitoring device of the present invention;

[0021] Figure 4 A side view of the structure and use of a fixed pipe and a support pipe of a tunnel joint opening monitoring device of the present invention;

[0022] Figure 5 It is a schematic structural diagram of the enlarged point A of a tunnel joint opening amount monitoring device of the present invention;

[0023] Figure 6 It is a schematic diagram of the side cross-sectional structure of a fixed plate of a tunnel joint opening amount monitoring device of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the enlarged point B of a tunnel joint opening amount monitoring device of the present invention;

[0025] Figure 8 A schematic diagram of the pipeline structure of a tunnel joint opening amount monitoring device of the present invention;

[0026] In the figure: 1. fixed tube; 2. movable seat; 3. ring seat; 4. support tube; 5. fixed seat; 6. fixed hole; 7. fixed column; 8. slide groove; 9. support mechanism; 10. slider; 11. support column; 12. steel wire; 13. first displacement meter; 14. positioning tube; 15. reset mechanism; 16. second displacement meter; 17. positioning column; 18. threaded seat; 19. threaded column; 20. fixed disk; 21. measuring column; 22. scale line; 23. opening; 24. limit groove; 25. limit block; 26. tension mechanism; 27. ring groove; 28. limit ring; 29. ​​installation column; 30. elastic mechanism; 31. sealing disk; 32. connecting column; 33. pipeline; 34. water stop ring; 35. reserved hole. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figures 1 to 8 The present invention provides a technical solution: a tunnel joint opening amount monitoring device, comprising a pipeline 33 and a fixed pipe 1, a movable seat 2 is movably installed on the fixed pipe 1, a ring seat 3 is welded on the movable seat 2, a support pipe 4 is movably installed on one side of the ring seat 3, one end of the support pipe 4 is sleeved on the fixed pipe 1, one end of the support pipe 4 and the fixed pipe 1 are both installed with a fixed seat 5, a fixing hole 6 is opened on the fixed seat 5, a threaded seat 18 is fixed on the fixed pipe 1 and the support pipe 4, a threaded column 19 is rotatably installed on the threaded seat 18, a fixed disk 20 is welded on one end of the threaded column 19, and an opening 23 is opened on the fixed disk 20. After the threaded column 19 drives the fixed disk 20 to rotate and descend, one end of the measuring column 21 contacts the threaded seat 18, and after the threaded seat 18 squeezes the measuring column 21, the diameter between the fixed disks 20 can be quickly understood through the number of exposed scale lines 22 on the top of the measuring column 21, so that the fixed disk 20 can be quickly positioned and installed inside the reserved hole 35.

[0029] In this embodiment, a measuring column 21 is movably installed inside the opening 23, and a scale line 22 is provided on the measuring column 21. One end of the measuring column 21 is movably contacted with the threaded seat 18. A limiting groove 24 is provided on the side of the measuring column 21. A limiting block 25 is movably installed inside the limiting groove 24. One side of the limiting block 25 is fixed inside the opening 23. A tension mechanism 26 is fixed inside the limiting groove 24. One end of the tension mechanism 26 is fixed on the limiting block 25. A sliding groove 8 is provided on the fixed tube 1. A supporting mechanism 9 is fixedly installed inside the sliding groove 8. A slider 10 is fixed on one end of the supporting mechanism 9. The slider 10 is fixedly installed on the movable seat 2. Both the tension mechanism 26 and the supporting mechanism 9 are springs. The spring pushes the measuring column 21 to move downward. After the measuring column 21 moves downward, one end of the measuring column 21 is retracted inside the opening 23 for shielding.

[0030] In this embodiment, a fixing column 7 is fixed inside the fixing tube 1, a supporting column 11 is fixedly installed inside the supporting tube 4, and the supporting columns 11 are distributed on the sides of the fixing columns 7 in an equilateral triangle. A steel wire 12 is fixed between the fixing columns 7 and the supporting columns 11, and a first displacement meter 13 is fixedly installed between the steel wires 12. A positioning tube 14 is fixed inside the supporting tube 4, and a reset mechanism 15 is fixedly installed inside the positioning tube 14. An annular groove 27 is opened on the fixing seat 5, and a limiting ring 28 is movably installed inside the annular groove 27. A mounting column 29 is welded on the limiting ring 28, and the mounting column 29 is installed on the fixing seat 5 through the elastic mechanism 30. The elastic mechanism 30 is a spring. The elastic force provides buffer support for the installation column 29. The three support columns 11 are arranged in an equilateral triangle. The fixed column 7 on the other side is opposite to the centroid of the triangle. The support columns 11 are arranged in a relative position of one at the top and two at the bottom. The plane where the two lower support columns 11 are located is parallel to the horizontal plane. The distance between the three support columns 11 is the total length of the first displacement meter 13 and the connected steel wire 12. Through the displacement monitoring data of the first displacement meter 13 and the second displacement meter 16, both the overall movement state of the pipeline 33 and the opening amount of the joint of the pipeline 33 can be inferred.

[0031] In this embodiment, a sealing disk 31 is welded to one end of the installation column 29, and a connecting column 32 is welded to the sealing disk 31. One end of the connecting column 32 is respectively welded to the fixed pipe 1 and the support pipe 4. A water stop ring 34 is fixedly installed between the pipes 33. A reserved hole 35 is opened at one end of the pipe 33. The fixed pipe 1 and the support pipe 4 are fixedly installed in the reserved hole 35 through a fixing seat 5. A second displacement meter 16 is fixed to one end of the reset mechanism 15. A positioning column 17 is fixed to the second displacement meter 16. The positioning column 17 is in movably contact with one end of the fixed column 7. Reserved holes 35 are opened at at least four points on the side of the pipe 33 to install the equipment. The relative position relationship of the joints of the pipe 33 is comprehensively judged. The selection of the monitoring position should avoid the shear members and prestressed steel bundles of the joint while well reflecting the relative position changes of the joint of the entire pipe 33.

[0032] When the device is in use, firstly, the fixing tube 1 and the supporting tube 4 are installed inside the reserved hole 35, and the diameter between the fixing disks 20 is adjusted according to the diameter of the reserved hole 35, and the fixing disk 20 is rotated to rotate the threaded column 19. After the threaded column 19 drives the fixing disk 20 to rotate and descend, one end of the measuring column 21 contacts the threaded seat 18, and after the threaded seat 18 squeezes the measuring column 21, the diameter between the fixing disks 20 can be quickly understood by the number of exposed scale lines 22 on the top of the measuring column 21, so that the fixing disk 20 can be quickly positioned and installed inside the reserved hole 35, and after the diameter of the fixing disk 20 is adjusted, the fixing disk 20 and the reserved hole 35 are aligned. The inner wall contacts, the fixed tube 1 or the support tube 4 pushes the fixed seat 5 to be installed inside the reserved hole 35, and the fixing bolt is fixedly installed inside the fixing hole 6 to limit and fix the fixed seat 5. After the fixed tube 1 and the support tube 4 are limited and fixed, the fixed plate 20 is separated from the inner wall of the reserved hole 35. After the fixed plate 20 is separated from the inner wall of the reserved hole 35, the required space is provided for the later movement of the fixed tube 1 and the support tube 4. When in use, the pipeline 33 drives the support tube 4 and the fixed tube 1 to move closer to one end, and one end of the support tube 4 contacts the annular seat 3. As the support tube 4 moves, the annular seat 3 and the movable seat 2 are pushed to move on the fixed tube 1. After moving, the support tube 4 is adjusted The width of the support pipe 4 and the fixed pipe 1 as a whole, when in use, the three support columns 11 are arranged in an equilateral triangle, the fixed column 7 on the other side is directly opposite to the centroid of the triangle, the support columns 11 are arranged in a relative position of one at the top and two at the bottom, the plane where the two lower support columns 11 are located is parallel to the horizontal plane, the distance between the three support columns 11 is the total length of the first displacement meter 13 and the connected steel wire 12, through the displacement monitoring data of the first displacement meter 13 and the second displacement meter 16, both the overall movement state of the pipeline 33 and the opening amount of the joint of the pipeline 33 can be inferred, when the fixed pipe 1 is installed inside the support pipe 4, one end of the fixed column 7 Installed inside the positioning tube 14, the positioning tube 14 provides a limiting support for the fixed column 7, effectively ensuring that the fixed column 7 enters the center position of the support column 11. Later, when the fixed column 7 moves horizontally inside the positioning tube 14, it squeezes the second displacement meter 16. The second displacement meter 16 moves on the reset mechanism 15 under the push of the positioning column 17, and the movement completes the monitoring of the horizontal movement of the pipeline 33. In addition, the positioning tube 14 is made of rubber. Later, when the fixed column 7 moves up and down, it drives the positioning tube 14 to bend while realizing the monitoring of the first displacement meter 13. The fixed tube 1 and the support tube 42 realize the positioning and installation of the equipment while completing the shielding protection.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A tunnel joint opening monitoring device, comprising a pipeline (33) and a fixed pipe (1), characterized in that: A movable seat (2) is movably mounted on the fixed tube (1), a ring seat (3) is welded on the movable seat (2), a support tube (4) is movably mounted on one side of the ring seat (3), one end of the support tube (4) is sleeved on the fixed tube (1), a fixed seat (5) is mounted on one end of the support tube (4) and the fixed tube (1), a fixing hole (6) is provided on the fixed seat (5), a threaded seat (18) is fixed on the fixed tube (1) and the support tube (4), a threaded column (19) is rotatably mounted on the threaded seat (18), a fixed disk (20) is welded on one end of the threaded column (19), and an opening (23) is provided on the fixed disk (20).

2. A tunnel joint opening amount monitoring device according to claim 1, characterized in that: A measuring column (21) is movably mounted inside the opening (23), a scale line (22) is provided on the measuring column (21), one end of the measuring column (21) is movably in contact with the threaded seat (18), and a limiting groove (24) is provided on the side of the measuring column (21).

3. A tunnel joint opening amount monitoring device according to claim 2, characterized in that: A limiting block (25) is movably installed inside the limiting groove (24), one side of the limiting block (25) is fixed inside the opening (23), a tension mechanism (26) is fixed inside the limiting groove (24), and one end of the tension mechanism (26) is fixed on the limiting block (25).

4. A tunnel joint opening amount monitoring device according to claim 1, characterized in that: The fixed tube (1) is provided with a slide groove (8), a support mechanism (9) is fixedly installed inside the slide groove (8), a slider (10) is fixed to one end of the support mechanism (9), and the slider (10) is fixedly installed on the movable seat (2).

5. A tunnel joint opening amount monitoring device according to claim 1, characterized in that: A fixing column (7) is fixed inside the fixing tube (1), and a supporting column (11) is fixedly installed inside the supporting tube (4). The supporting columns (11) are distributed on the sides of the fixing columns (7) in the form of an equilateral triangle, and a steel wire (12) is fixed between the fixing columns (7) and the supporting columns (11).

6. A tunnel joint opening amount monitoring device according to claim 5, characterized in that: A first displacement meter (13) is fixedly installed between the steel wires (12), a positioning tube (14) is fixedly installed inside the support tube (4), and a reset mechanism (15) is fixedly installed inside the positioning tube (14).

7. A tunnel joint opening amount monitoring device according to claim 1, characterized in that: The fixing seat (5) is provided with an annular groove (27), a limit ring (28) is movably installed inside the annular groove (27), a mounting column (29) is welded to the limit ring (28), and the mounting column (29) is mounted on the fixing seat (5) through an elastic mechanism (30).

8. A tunnel joint opening amount monitoring device according to claim 7, characterized in that: A sealing disc (31) is welded to one end of the mounting column (29), a connecting column (32) is welded to the sealing disc (31), and one end of the connecting column (32) is respectively welded to the fixing tube (1) and the supporting tube (4).

9. A tunnel joint opening amount monitoring device according to claim 1, characterized in that: A water stop ring (34) is fixedly installed between the pipes (33), one end of each pipe (33) is provided with a reserved hole (35), and the fixed pipe (1) and the support pipe (4) are fixedly installed inside the reserved hole (35) via a fixing seat (5).

10. A tunnel joint opening amount monitoring device according to claim 6, characterized in that: A second displacement meter (16) is fixed to one end of the reset mechanism (15), a positioning column (17) is fixed to the second displacement meter (16), and the positioning column (17) is in movably contact with one end of the fixing column (7).

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