Deepwater pressure-bearing cable sealing structure

Abstract

The utility model provides a deepwater pressure-bearing cable sealing structure, and relates to the technical field of cable sealing, the deepwater pressure-bearing cable sealing structure comprises a clamping guide wheel, two ends of the clamping guide wheel are fixedly provided with waterproof rings, the inner parts of the waterproof rings are fixedly provided with water absorption protection rings, and the inner parts of the water absorption protection rings are fixedly provided with waterproof bag bodies. The cable protection structure has the advantages that the end part of the cable protection structure is provided with the arc-shaped bearing protection structure which can be extruded to deform, the deformation of the arc-shaped bearing protection structure is utilized to drive the volume of the air bag structure to change, and the volume change of the air bag structure is utilized to drive the rubber mat attached to the cable to deform; and meanwhile, a protection ring structure capable of absorbing water is arranged at one end of the air bag structure, and the protection ring is used for increasing the weight after absorbing water to extrude the air bag structure, so that the extrusion of the air bag structure on the cable sealing rubber pad is further enhanced, and the sealing performance of the cable is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of cable sealing, in particular to a deep-water pressure-bearing cable sealing structure. Background Art

[0002] With the continuous advancement of underground space engineering development and construction technology, various types of excavation equipment continue to emerge. In the field of underground multi-story parking garage construction, a type of equipment used for underground vertical deep well excavation is widely used. Its construction feature is that a certain depth of water is maintained in the deep well during the excavation process, and the lateral soil pressure of the well wall is balanced with water pressure, which can effectively avoid the risk of well wall collapse. This requires that the entire excavation equipment needs to remain underwater and continue to work, so the connecting cables of the equipment need to be sealed and protected.

[0003] CN202322187920.6 introduces a deepwater pressure cable sealing structure, including: a sealing shell; a sealing sleeve arranged on the sealing shell, the cable passes through the sealing sleeve; a sealing member arranged between the sealing sleeve and the cable, the sealing member is an elastic deformation member, and the sealing member is used to clamp the sealed cable; a clamping mechanism arranged on the sealing sleeve for clamping the deformed sealing member; a cover mechanism arranged at the end of the sealing sleeve for covering the end of the sealing sleeve. This application provides a new technical solution for waterproofing the cable. Utility Model Content

[0004] Therefore, the purpose of the utility model is to provide a deep-water pressure-bearing cable sealing structure to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one hand provides a deep-water pressure cable sealing structure, including a cable, a clamping sealing sleeve is sleeved on the surface of the cable, a plurality of elastic support seats are fixedly installed inside the clamping sealing sleeve, a clamping guide wheel is rotatably connected inside the elastic support seat, waterproof rings are fixedly installed at both ends of the clamping sealing sleeve, a water absorption protection ring is fixedly installed inside the waterproof ring, a waterproof sac is fixedly installed inside the water absorption protection ring, an air guide tube penetrating the water absorption protection ring is fixedly installed at one end of the waterproof sac, and a sealing waterproof rubber pad is fixedly installed inside the waterproof sac.

[0006] Preferably, any of the above schemes is that sealing fixing plates are fixedly mounted on both ends of the clamping sealing sleeve, and a movable groove adapted to the elastic support seat is provided inside the clamping sealing sleeve.

[0007] The above technical solution is adopted: the sealing fixing plate and the clamping sealing sleeve are connected to fasten the waterproof sealing structure, which is convenient for disassembly and assembly of the waterproof sealing structure, and the movable groove is provided to guide the elastic support seat, which is conducive to clamping and guiding the cable.

[0008] Preferably, any of the above schemes comprises a supporting spring and a movable seat, wherein the supporting spring is fixedly mounted inside the clamping sealing sleeve, and one end of the supporting spring is fixedly mounted with a movable seat movably connected to the clamping sealing sleeve.

[0009] The above technical solution is adopted: the elasticity of the supporting spring is used to support the movable seat, so that the movable seat moves inside the movable groove, and the position of the movable seat is adjusted.

[0010] Preferably, any of the above schemes is that the clamping guide wheel is rotatably connected to the inside of the movable seat, and the surface of the clamping guide wheel is in contact with the surface of the cable.

[0011] The above technical solution is adopted: when the cable is passed through the clamping sealing sleeve, the clamping guide wheel clamps the cable, and at the same time, the clamping guide wheel rotates to guide the cable during the cable penetration process, and the clamping guide wheel drives the movable seat to squeeze the support spring according to the size of the cable, and the position of the clamping guide wheel is adjusted, so as to facilitate the clamping and guiding of cables of different sizes.

[0012] Preferably, any of the above schemes has an arcuate annular groove formed inside the waterproof ring, a fixing groove matched with a sealing fixing plate is formed in the middle of the arcuate annular groove, and the waterproof ring is located between the clamping sealing sleeve and the sealing fixing plate.

[0013] The above technical solution is adopted: the concave structure of the arc-shaped ring groove is used to carry more water, and the water pressure is used to squeeze the arc-shaped ring groove inside the waterproof ring to deform the arc-shaped ring groove. At the same time, the waterproof ring is used to waterproof and seal the end of the clamping sealing sleeve.

[0014] Preferably, any of the above schemes is that the water absorption protection ring is located between the waterproof ring and the waterproof bladder, and a through groove adapted to the air guide tube is provided inside the water absorption protection ring.

[0015] By adopting the above technical solution, water penetrating the waterproof ring is absorbed by the water absorption protection ring, which increases the weight of the water absorption protection ring and causes the water absorption protection ring to squeeze the waterproof bladder.

[0016] Preferably, any of the above schemes has an air cavity formed inside the waterproof sac and the air guide tube, and the inner layer of the sealing waterproof rubber pad is in contact with the surface of the cable.

[0017] The above technical solution is adopted: the arc-shaped ring groove deforms to squeeze the air cavity inside the air guide tube, reducing the volume of the air cavity, thereby increasing the volume of the waterproof sac; the water-absorbing protective ring squeezes the waterproof sac after absorbing water, causing the waterproof sac to squeeze the sealing waterproof rubber pad, thereby enhancing the sealing between the sealing waterproof rubber pad and the cable.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. An arc-shaped load-bearing protection structure that can be squeezed and deformed is set at the end of the cable protection structure. The deformation of the arc-shaped load-bearing protection structure is used to drive the volume of the airbag structure to change. The volume change of the airbag structure is used to drive the rubber pad that fits the cable to deform, thereby enhancing the tightness between the rubber pad and the cable. At the same time, a protective ring structure that can absorb water is set at one end of the airbag structure. The weight increase of the protective ring after absorbing water is used to squeeze the airbag structure, thereby further enhancing the squeezing of the cable sealing pad by the airbag structure and enhancing the sealing of the cable.

[0020] 2. An elastically movable guide structure is arranged inside the cable protection structure, and the position of the guide structure can be adjusted according to the size of the cable, so as to facilitate the protection of cables of different sizes and improve the convenience of using the sealing structure.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the elastic support seat according to an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of a waterproof ring according to an embodiment of the utility model;

[0026] Figure 4 It is a schematic cross-sectional structure diagram of a clamping sealing sleeve according to an embodiment of the utility model;

[0027] Among them: 1-cable, 2-clamping sealing sleeve, 3-elastic support seat, 31-support spring, 32-movable seat, 4-clamping guide wheel, 5-waterproof ring, 6-water absorption protection ring, 7-waterproof sac, 8-air guide tube, 9-sealing waterproof rubber pad, 10-sealing fixing plate, 11-arc ring groove, 12-air cavity, 13-movable groove. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0029] like Figure 1-4 As shown, a deepwater pressure-bearing cable sealing structure of an embodiment of the utility model comprises a cable 1, a clamping sealing sleeve 2 is sleeved on the surface of the cable 1, a plurality of elastic support seats 3 are fixedly installed inside the clamping sealing sleeve 2, a clamping guide wheel 4 is rotatably connected inside the elastic support seat 3, waterproof rings 5 ​​are fixedly installed at both ends of the clamping sealing sleeve 2, a water absorption protection ring 6 is fixedly installed inside the waterproof ring 5, a waterproof capsule 7 is fixedly installed inside the water absorption protection ring 6, an air guide tube 8 penetrating the water absorption protection ring 6 is fixedly installed at one end of the waterproof capsule 7, and a sealing waterproof rubber pad 9 is fixedly installed inside the waterproof capsule 7.

[0030] Preferably, any of the above schemes has sealing fixing plates 10 fixedly mounted on both ends of the clamping sealing sleeve 2 , and a movable groove 13 adapted to the elastic support seat 3 is provided inside the clamping sealing sleeve 2 .

[0031] The above technical solution is adopted: the sealing fixing plate 10 and the clamping sealing sleeve 2 are connected to tighten the waterproof sealing structure, which is convenient for disassembly and assembly of the waterproof sealing structure, and the movable groove 13 is provided to guide the elastic support seat 3, which is beneficial to clamping and guiding the cable 1.

[0032] Preferably, any of the above schemes comprises a supporting spring 31 and a movable seat 32 , wherein the supporting spring 31 is fixedly mounted inside the clamping sealing sleeve 2 , and one end of the supporting spring 31 is fixedly mounted with a movable seat 32 movably connected to the clamping sealing sleeve 2 .

[0033] The above technical solution is adopted: the elasticity of the support spring 31 is used to support the movable seat 32, so that the movable seat 32 moves inside the movable groove 13, and the position of the movable seat 32 is adjusted.

[0034] Preferably, any of the above schemes is that the clamping guide wheel 4 is rotatably connected to the inside of the movable seat 32 , and the surface of the clamping guide wheel 4 is in contact with the surface of the cable 1 .

[0035] The above technical solution is adopted: when the cable 1 is passed through the clamping sealing sleeve 2, the clamping guide wheel 4 clamps the cable 1, and at the same time, the clamping guide wheel 4 rotates to guide the cable 1 during the penetration of the cable 1, and according to the size of the cable 1, the clamping guide wheel 4 drives the movable seat 32 to squeeze the support spring 31, and the position of the clamping guide wheel 4 is adjusted to facilitate the clamping and guiding of cables of different sizes.

[0036] Preferably, any of the above schemes has an arcuate annular groove 11 formed inside the waterproof ring 5 , a fixing groove matched with the sealing fixing plate 10 is formed in the middle of the arcuate annular groove 11 , and the waterproof ring 5 is located between the clamping sealing sleeve 2 and the sealing fixing plate 10 .

[0037] The above technical solution is adopted: the concave structure of the arc-shaped ring groove 11 is used to carry more water, and the water pressure is used to squeeze the arc-shaped ring groove 11 inside the waterproof ring 5 to deform the arc-shaped ring groove 11. At the same time, the waterproof ring 5 is used to clamp the end of the sealing sleeve 2 for waterproof sealing.

[0038] Preferably, in any of the above schemes, the water absorption protection ring 6 is located between the waterproof ring 5 and the waterproof bladder 7 , and a through groove adapted to the air guide tube 8 is provided inside the water absorption protection ring 6 .

[0039] By adopting the above technical solution, the water penetrating the waterproof ring 5 is absorbed by the water absorption protection ring 6, which increases the weight of the water absorption protection ring 6 and causes the water absorption protection ring 6 to squeeze the waterproof capsule 7.

[0040] Preferably, any of the above schemes has an air cavity 12 formed inside the waterproof sac 7 and the air guide tube 8 , and the inner layer of the sealing waterproof rubber pad 9 is in contact with the surface of the cable 1 .

[0041] The above technical solution is adopted: the arc-shaped annular groove 11 deforms to squeeze the air cavity 12 inside the air guide tube 8, thereby reducing the volume of the air cavity 12 and increasing the volume of the waterproof sac 7. The water absorption protection ring 6 squeezes the waterproof sac 7 after absorbing water, so that the waterproof sac 7 squeezes the sealing waterproof rubber pad 9, thereby enhancing the sealing between the sealing waterproof rubber pad 9 and the cable 1.

[0042] The utility model is a deep-water pressure-bearing cable sealing structure, and its working principle is as follows:

[0043] The cable 1 is inserted into the clamping sealing sleeve 2, and the supporting spring 31 pushes the movable seat 32 to drive the clamping guide wheel 4 to guide and clamp the cable 1. After the arc-shaped annular groove 11 contains water, it squeezes the air guide tube 8 to pressurize the inside of the air cavity 12, thereby increasing the volume of the waterproof sac 7 so that it squeezes the sealing waterproof rubber pad 9.

[0044] Compared with the prior art, the present invention has the following beneficial effects:

[0045] 1. An arc-shaped load-bearing protective structure that can be squeezed and deformed is set at the end of the cable 1 protective structure. The deformation of the arc-shaped load-bearing protective structure is used to drive the volume of the airbag structure to change. The volume change of the airbag structure is used to drive the rubber pad that fits the cable to deform, thereby enhancing the tightness between the rubber pad and the cable 1. At the same time, a protective ring structure that can absorb water is set at one end of the airbag structure. The weight increase of the protective ring after absorbing water is used to squeeze the airbag structure, thereby further enhancing the squeezing of the cable 1 sealing pad by the airbag structure and enhancing the sealing of the cable.

[0046] 2. An elastically movable guide structure is provided inside the protective structure of the cable 1, and the position of the guide structure can be adjusted according to the size of the cable 1, so as to facilitate the protection of cables 1 of different sizes and improve the convenience of using the sealing structure.

Claims

1. A deepwater pressure cable sealing structure, comprising a cable (1), a surface of the cable (1) being sleeved with a clamping sealing sleeve (2), characterized in that: A plurality of elastic support seats (3) are fixedly installed inside the clamping sealing sleeve (2), and a clamping guide wheel (4) is rotatably connected inside the elastic support seat (3). Waterproof rings (5) are fixedly installed at both ends of the clamping sealing sleeve (2), and a water absorption protection ring (6) is fixedly installed inside the waterproof ring (5). A waterproof capsule (7) is fixedly installed inside the water absorption protection ring (6), and an air guide tube (8) penetrating the water absorption protection ring (6) is fixedly installed at one end of the waterproof capsule (7), and a sealing waterproof rubber pad (9) is fixedly installed inside the waterproof capsule (7).

2. A deepwater pressure cable sealing structure according to claim 1, characterized in that: Sealing fixing plates (10) are fixedly mounted on both ends of the clamping sealing sleeve (2), and a movable groove (13) adapted to the elastic support seat (3) is provided inside the clamping sealing sleeve (2).

3. A deepwater pressure cable sealing structure as claimed in claim 2, characterized in that: The elastic support seat (3) comprises a support spring (31) and a movable seat (32); the support spring (31) is fixedly mounted inside the clamping sealing sleeve (2); one end of the support spring (31) is fixedly mounted with a movable seat (32) movably connected to the clamping sealing sleeve (2).

4. A deepwater pressure cable sealing structure as claimed in claim 3, characterized in that: The clamping guide wheel (4) is rotatably connected to the inside of the movable seat (32), and the surface of the clamping guide wheel (4) is in contact with the surface of the cable (1).

5. A deepwater pressure cable sealing structure as claimed in claim 4, characterized in that: The waterproof ring (5) is provided with an arc-shaped annular groove (11) inside, and a fixing groove matched with the sealing fixing plate (10) is provided in the middle of the arc-shaped annular groove (11). The waterproof ring (5) is located between the clamping sealing sleeve (2) and the sealing fixing plate (10).

6. A deepwater pressure cable sealing structure as claimed in claim 5, characterized in that: The water absorption protection ring (6) is located between the waterproof ring (5) and the waterproof sac (7), and a through groove adapted to the air guide tube (8) is provided inside the water absorption protection ring (6).

7. A deepwater pressure cable sealing structure as claimed in claim 6, characterized in that: The waterproof sac (7) and the air guide tube (8) are both provided with an air cavity (12), and the inner layer of the sealing waterproof rubber pad (9) is in contact with the surface of the cable (1).

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