Explosion-proof mounting device for tunnel array displacement meter

Abstract

The utility model discloses an explosion-proof installation device for a tunnel array displacement meter, which relates to the technical field of displacement meter installation and comprises an installation pipe buried in the ground, a fixed installation plate arranged outside the installation pipe, a threaded cylinder fixedly installed at the top end of the fixed installation plate, a first wire passing hole arranged at the top end of a fixed inner cylinder, and a connecting cable arranged in the installation pipe. And the fastening mechanism comprises a pair of clamping half pipes, connecting mounting plates are fixedly mounted on the outer side walls of the clamping half pipes, sealing rubber pads A are fixedly mounted on the inner side walls of the clamping half pipes, and sealing rubber pads B are fixedly mounted at the bottom ends of the connecting mounting plates. According to the utility model, through the arrangement of the fastening mechanism, after the connecting cable penetrates through the first wire passing hole, the bottom end of the fixed inner cylinder is installed in the threaded cylinder in a threaded manner, so that the sealing rubber pad D is attached to the sealing rubber pad C, the installation pipe is sealed, and the pair of clamping half pipes is inserted into the first wire passing hole; and the inner side wall of the sealing rubber pad A is attached to the outer side wall of the connecting cable.

Description

Technical Field

[0001] This utility model relates to the field of displacement gauge installation technology, and in particular to an explosion-proof installation device for a tunnel array displacement gauge. Background Technology

[0002] An array displacement gauge is an instrument used to measure displacement changes of structures or geological bodies in multiple directions. It typically consists of a series of displacement sensors arranged in an array along a specific path or area to simultaneously monitor displacement at multiple points. Array displacement gauges are widely used in civil engineering, geological disaster monitoring, and mining safety, playing a particularly important role in the health monitoring of structures such as tunnels, dams, bridges, and slopes.

[0003] A tunnel, also known as a passageway, is a passageway excavated below ground level or within a mountain, used for various purposes such as transportation, water conservancy, mining, and urban infrastructure. Tunnel engineering is a complex civil engineering project involving knowledge from multiple disciplines, including geology, rock mechanics, and structural engineering.

[0004] Certain types of tunnels may contain flammable gases or dust. For example, coal mine tunnels release large amounts of flammable methane gas (commonly known as methane) during mining, and coal dust is also a potential explosion source; oil and gas pipeline tunnels used to transport oil or natural gas may form explosive mixtures due to incomplete sealing; chemical industry tunnels used to store or transport flammable and explosive chemicals pose corresponding risks; stone or metal mine tunnels may generate fine stone powder or metal dust during mining, which can trigger explosions under certain conditions. For these tunnels that may contain flammable gases or dust, special attention should be paid to taking effective explosion-proof measures during design and construction to ensure that even if a malfunction occurs inside the equipment, it will not generate enough energy to ignite the surrounding flammable gases or dust. Therefore, an explosion-proof installation device for tunnel array displacement gauges is needed. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies where certain tunnels may contain flammable gases or dust, which could easily cause explosions. This invention provides an explosion-proof installation device for tunnel array displacement gauges.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An explosion-proof installation device for a tunnel array displacement gauge includes an installation pipe buried in the ground, a fixed installation plate fixedly connected to the ground outside the installation pipe, a threaded cylinder fixedly installed at the top of the fixed installation plate, a fixed inner cylinder inside the threaded cylinder, a first wire-passing hole at the top of the fixed inner cylinder, a connecting cable inside the installation pipe, a fastening mechanism for clamping the connecting cable at the top of the fixed inner cylinder, and a protective mechanism outside the fixed inner cylinder. The fastening mechanism includes a pair of clamping half-tubes, the clamping half-tubes being disposed in the first wire-passing hole, the connecting cable being disposed in the pair of clamping half-tubes, a connecting installation plate fixedly installed on the outer wall of the clamping half-tubes, a sealing rubber gasket A fixedly installed on the inner wall of the clamping half-tubes, and a sealing rubber gasket B fixedly installed at the bottom of the connecting installation plate.

[0008] Preferably, the outer diameter of the pair of clamping half tubes is the same as the diameter of the first wire passage hole, the inner side wall of the sealed rubber pad A is in contact with the outer side wall of the connecting cable, and through holes A are provided on the connecting mounting plate. A pair of bolt holes A are provided at the top of the fixed inner cylinder. The through holes A and the bolt holes A correspond one-to-one. Fastening bolts A are installed in the internal threads of the through holes A, and the end threads of the fastening bolts A are installed in the bolt holes A.

[0009] Used to securely clamp the connecting cable, after the connecting cable passes through the first through hole, a pair of clamping half tubes are inserted into the first through hole, so that the inner side wall of the sealing rubber pad A is in contact with the outer side wall of the connecting cable. After the through hole A is set to correspond with the bolt hole A, the sealing rubber pad B is in contact with the top of the fixed inner cylinder. Then, the fastening bolt A is rotated to fix the connecting mounting plate to the fixed inner cylinder.

[0010] Preferably, a limiting ring is fixedly installed on the outer wall of the fixed inner cylinder, a sealing rubber pad C is fixedly installed at the bottom end of the limiting ring, the outer wall of the fixed inner cylinder below the limiting ring is provided with threads, a sealing rubber pad D is fixedly installed at the top end of the threaded cylinder, and the bottom end of the fixed inner cylinder is threaded inside the threaded cylinder.

[0011] The outer diameter of the threaded cylinder is the same as the outer diameter of the limiting ring, and the sealing rubber gasket C and the sealing rubber gasket D are in contact with each other;

[0012] To ensure the airtight treatment of the installation tube, after the connecting cable passes through the first wire hole, the bottom thread of the fixed inner cylinder is installed in the threaded cylinder, so that the sealing rubber pad D and the sealing rubber pad C are in contact, thereby sealing the installation tube.

[0013] Preferably, the protective mechanism includes a protective cylinder disposed above the fixed mounting plate, a threaded cylinder disposed inside the protective cylinder, a plurality of connecting blocks fixedly installed at the bottom of the outer side wall of the protective cylinder, a through hole B being provided on the connecting block, a plurality of bolt holes B being provided at the top of the fixed mounting plate, the through hole B and the bolt hole B corresponding one-to-one, a fastening bolt B being threadedly installed in the through hole B, and the end thread of the fastening bolt B being threadedly installed in the bolt hole B.

[0014] The top of the protective cylinder is provided with a second wire passage hole, and a pair of threaded half tubes are provided in the second wire passage hole. A sealed rubber gasket E is fixedly installed on the inner side wall of the threaded half tubes, and a fastening ring is fitted on the outer thread of the pair of threaded half tubes.

[0015] Used to protect the fixed inner cylinder, the protective sleeve is placed outside the fixed inner cylinder so that the connecting cable passes through the second cable hole. At the same time, after the through hole B and the bolt hole B are aligned one by one, the connecting block is fixedly connected to the fixed mounting plate by tightening the bolt B. A pair of threaded half tubes are inserted into the second cable hole so that the sealing rubber gasket E is in contact with the outer wall of the connecting cable. Then, the fastening ring is threaded on the outside of the pair of threaded half tubes.

[0016] This utility model has the following beneficial effects:

[0017] 1. By setting a fastening mechanism, after the connecting cable passes through the first through hole, the bottom thread of the fixed inner cylinder is installed in the threaded cylinder, so that the sealing rubber pad D and the sealing rubber pad C are in contact, thereby sealing the installation tube. A pair of clamping half tubes are inserted into the first through hole, so that the inner side wall of the sealing rubber pad A is in contact with the outer side wall of the connecting cable. After the through hole A and the bolt hole A are set to correspond, the sealing rubber pad B is in contact with the top of the fixed inner cylinder. Then, the fastening bolt A is rotated to fix the connecting mounting plate to the fixed inner cylinder.

[0018] 2. By setting up a protective mechanism, the protective sleeve is placed outside the fixed inner cylinder, so that the connecting cable passes through the second cable hole. At the same time, after the through hole B and the bolt hole B are aligned one by one, the connecting block is fixedly connected to the fixed mounting plate by tightening the bolt B. A pair of threaded half tubes are inserted into the second cable hole, so that the sealing rubber gasket E is in contact with the outer wall of the connecting cable. Then, the fastening ring is threaded on the outside of the pair of threaded half tubes. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the external structure of an explosion-proof installation device for a tunnel array displacement gauge proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of an explosion-proof installation device for a tunnel array displacement gauge proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the fixed inner cylinder of this utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the protection mechanism of this utility model.

[0023] In the diagram: 1. Mounting tube; 2. Fixed mounting plate; 3. Threaded cylinder; 31. Sealing rubber gasket D; 4. Fixed inner cylinder; 41. First cable passage hole; 42. Limiting ring; 43. Sealing rubber gasket C; 5. Connecting cable; 6. Fastening mechanism; 61. Clamping half-pipe; 62. Connecting mounting plate; 63. Sealing rubber gasket A; 64. Sealing rubber gasket B; 65. Through hole A; 66. Bolt hole A; 67. Fastening bolt A; 7. Protection mechanism; 71. Protective cylinder; 72. Connecting block; 73. Through hole B; 74. Bolt hole B; 75. Fastening bolt B; 76. Second cable passage hole; 77. Threaded half-pipe; 78. Sealing rubber gasket E; 79. Fastening ring. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] Reference Figure 1-4 An explosion-proof installation device for a tunnel array displacement gauge includes an installation pipe 1 buried in the ground, a fixed installation plate 2 fixedly connected to the ground outside the installation pipe 1, a threaded cylinder 3 fixedly installed at the top of the fixed installation plate 2, a fixed inner cylinder 4 inside the threaded cylinder 3, a first wire passage hole 41 opened at the top of the fixed inner cylinder 4, a connecting cable 5 inside the installation pipe 1, a fastening mechanism 6 for fastening and clamping the connecting cable 5 at the top of the fixed inner cylinder 4, a protection mechanism 7 outside the fixed inner cylinder 4, and a pair of clamping half-tubes 61. The clamping half-tubes 61 are disposed in the first wire passage hole 41, the connecting cable 5 is disposed in the pair of clamping half-tubes 61, a connecting installation plate 62 is fixedly installed on the outer wall of the clamping half-tubes 61, a sealing rubber pad A63 is fixedly installed on the inner wall of the clamping half-tubes 61, and a sealing rubber pad B64 is fixedly installed at the bottom of the connecting installation plate 62.

[0027] The outer diameter of a pair of clamping half tubes 61 is the same as the diameter of the first wire passage hole 41. The inner side wall of the sealing rubber pad A63 is in contact with the outer side wall of the connecting cable 5. The connecting mounting plate 62 is provided with through holes A65. The top of the fixed inner cylinder 4 is provided with a pair of bolt holes A66. The through holes A65 and the bolt holes A66 correspond one-to-one. The threaded fastening bolts A67 are installed in the through holes A65. The threaded end of the fastening bolts A67 is installed in the bolt holes A66.

[0028] A limiting ring 42 is fixedly installed on the outer wall of the fixed inner cylinder 4. A sealing rubber pad C43 is fixedly installed at the bottom end of the limiting ring 42. The outer wall of the fixed inner cylinder 4 located below the limiting ring 42 is provided with threads. A sealing rubber pad D31 is fixedly installed at the top end of the threaded cylinder 3. The bottom end of the fixed inner cylinder 4 is threaded inside the threaded cylinder 3.

[0029] The outer diameter of the threaded cylinder 3 is the same as the outer diameter of the limiting ring 42, and the sealing rubber gasket C43 and the sealing rubber gasket D31 are in contact with each other.

[0030] The protective mechanism 7 includes a protective cylinder 71 set above the fixed mounting plate 2, a threaded cylinder 3 set inside the protective cylinder 71, and a number of connecting blocks 72 fixedly installed at the bottom of the outer wall of the protective cylinder 71. The connecting blocks 72 are provided with through holes B73. The top of the fixed mounting plate 2 is provided with a number of bolt holes B74. The through holes B73 and the bolt holes B74 correspond one-to-one. Fastening bolts B75 are installed in the threads of the through holes B73, and the threads of the end of the fastening bolts B75 are installed in the bolt holes B74.

[0031] The top of the protective cylinder 71 is provided with a second wire passage hole 76, and a pair of threaded half tubes 77 are provided in the second wire passage hole 76. A sealing rubber gasket E78 is fixedly installed on the inner side wall of the threaded half tubes 77, and a fastening ring 79 is fitted on the outer thread of the pair of threaded half tubes 77.

[0032] In this invention, after the connecting cable 5 passes through the first through hole 41, the bottom end of the fixed inner cylinder 4 is threaded into the threaded cylinder 3, so that the sealing rubber gasket D31 and the sealing rubber gasket C43 are in contact, thereby sealing the mounting tube 1. A pair of clamping half-tubes 61 are inserted into the first through hole 41, so that the inner side wall of the sealing rubber gasket A63 is in contact with the outer side wall of the connecting cable 5. After the through hole A65 is aligned with the bolt hole A66, the sealing rubber gasket B64 is in contact with the top end of the fixed inner cylinder 4. Then, the fastening bolt A67 is rotated and tightened to fix the connecting mounting plate 62 to the fixed inner cylinder 4. To ensure that even if a fault occurs inside the equipment, it will not generate enough energy to ignite the surrounding combustible gases or dust, the protective sleeve 71 is fitted over the fixed inner cylinder 4, allowing the connecting cable 5 to pass through the second cable hole 76. At the same time, after the through hole B73 and the bolt hole B74 are aligned one by one, the connecting block 72 is fixedly connected to the fixed mounting plate 2 by the fastening bolt B75. A pair of threaded half tubes 77 are inserted into the second cable hole 76, so that the sealing rubber gasket E78 is in contact with the outer wall of the connecting cable 5. Then, the fastening ring 79 is threaded onto the pair of threaded half tubes 77 to protect the fixed inner cylinder 4.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A tunnel array displacement meter explosion-proof mounting device, comprising a buried installation pipe (1), a fixed installation plate (2) is arranged outside the installation pipe (1) and fixedly connected with the ground, a threaded cylinder (3) is fixedly installed at the top end of the fixed installation plate (2), a fixed inner cylinder (4) is arranged in the threaded cylinder (3), a first wire hole (41) is formed at the top end of the fixed inner cylinder (4), a connecting cable (5) is arranged in the installation pipe (1), a fastening mechanism (6) is arranged at the top end of the fixed inner cylinder (4) and clamps and fastens the connecting cable (5), and a protection mechanism (7) is arranged outside the fixed inner cylinder (4), characterized in that: The fastening mechanism (6) comprises a pair of clamping half pipes (61) arranged in the first wire hole (41), the connecting cable (5) is arranged in the pair of clamping half pipes (61), the outer wall of the clamping half pipe (61) is fixedly installed with a connecting mounting plate (62), the inner wall of the clamping half pipe (61) is fixedly installed with airtight rubber pad A (63), and the bottom end of the connecting mounting plate (62) is fixedly installed with airtight rubber pad B (64).

2. The explosion-proof installation device for a tunnel array displacement meter according to claim 1, characterized in that: The outer diameter of the pair of clamping half pipes (61) is consistent with the diameter of the first wire hole (41), the inner wall of the airtight rubber pad A (63) is attached to the outer wall of the connecting cable (5), penetrating holes A (65) are formed in the connecting mounting plate (62), a pair of bolt holes A (66) are formed in the top end of the fixed inner cylinder (4), the penetrating holes A (65) correspond to the bolt holes A (66) in a one-to-one manner, fastening bolts A (67) are threadedly installed in the penetrating holes A (65), and the distal ends of the fastening bolts A (67) are threadedly installed in the bolt holes A (66).

3. The explosion-proof installation device for a tunnel array displacement meter according to claim 1, characterized in that: The outer wall of the fixed inner cylinder (4) is fixedly installed with a limiting ring (42), the bottom end of the limiting ring (42) is fixedly installed with airtight rubber pad C (43), the outer wall of the fixed inner cylinder (4) below the limiting ring (42) is provided with a thread, the top end of the threaded cylinder (3) is fixedly installed with airtight rubber pad D (31), and the bottom end of the fixed inner cylinder (4) is threadedly installed in the threaded cylinder (3).

4. The explosion-proof installation device for a tunnel array displacement meter according to claim 3, characterized in that: The outer diameter of the threaded cylinder (3) is consistent with the outer diameter of the limiting ring (42), and the airtight rubber pad C (43) is attached to the airtight rubber pad D (31).

5. The explosion-proof installation device for a tunnel array displacement meter according to claim 1, characterized by: The protection mechanism (7) comprises a protection cylinder (71) arranged above the fixed mounting plate (2), the threaded cylinder (3) is arranged in the protection cylinder (71), a plurality of connecting blocks (72) are fixedly installed at the bottom end of the outer wall of the protection cylinder (71), penetrating holes B (73) are formed in the connecting blocks (72), a plurality of bolt holes B (74) are formed in the top end of the fixed mounting plate (2), the penetrating holes B (73) correspond to the bolt holes B (74) in a one-to-one manner, fastening bolts B (75) are threadedly installed in the penetrating holes B (73), and the distal ends of the fastening bolts B (75) are threadedly installed in the bolt holes B (74).

6. The explosion-proof installation of a tunnel array displacement meter according to claim 5, characterized in that: The top end of the protection cylinder (71) is provided with a second wire hole (76), a pair of threaded half pipes (77) are arranged in the second wire hole (76), airtight rubber pad E (78) is fixedly installed on the inner wall of the threaded half pipe (77), and the threaded half pipe (77) is externally threadedly sleeved with a fastening ring (79).

Images