A waterproof protection device for river-crossing high-density electrical cable

Abstract

This utility model belongs to the field of cable protection technology, and particularly relates to a waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers. It includes a sealed outer shell, which is composed of a first sealed shell and a second sealed shell. Adjacent surfaces of the first and second sealed shells are provided with a cable connection cavity, an OTT cable clamping groove, and an electrode cable clamping groove. A waterproof structure includes a waterproof protrusion installed at the lower end of the first sealed shell and surrounding the cable connection cavity. The upper end of the second sealed shell has a waterproof groove adapted to the waterproof protrusion. The OTT cable clamping groove and the electrode cable clamping groove both pass through the waterproof groove. The cable connection cavity is filled with waterproof sealant. This utility model, through the synergistic effect of the first sealed shell, the second sealed shell, the sealing rubber gasket, and the waterproof filling cavity, can provide reliable waterproof protection for the electrode connection and cable joint, effectively preventing water seepage and possessing excellent waterproof performance.

Description

Technical Field

[0001] This utility model belongs to the field of cable protection technology, and in particular relates to a waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers. Background Technology

[0002] High-density electrical resistivity tomography (EDT) is an engineering geophysical exploration method. In engineering geological exploration, it is used to detect underground geological structures such as karst, faults, and weak interlayers. In hydrogeological exploration, it can be used to find groundwater and determine the location and distribution of aquifers. In the field of mineral exploration, it is of great significance for finding metal mines and coal mines. In addition, in environmental geological surveys, it can detect the extent and depth of underground pollution. As a result, this method is being used more and more widely in various engineering projects.

[0003] When high-density electrical resistivity cables need to be laid across rivers, the electrode connections and cable joints face severe waterproofing challenges. Water seepage into these areas can lead to internal short circuits, degraded electrical performance, and other problems, seriously affecting the cable's normal operation and even causing safety accidents. Currently, waterproofing protection devices for high-density electrical resistivity cables crossing rivers suffer from problems such as complex structure, inconvenient installation, and poor waterproofing effect, failing to meet the needs of actual engineering projects.

[0004] This utility model designs a waterproof protection device for high-density electrochemical cables crossing rivers to solve the above problems. Utility Model Content

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A waterproof protection device for high-density electrical resistivity tomography (OTC) cables crossing rivers includes:

[0007] The sealed housing consists of a first sealed housing and a second sealed housing. The first sealed housing is installed on the upper end of the second sealed housing. The adjacent surfaces of the first sealed housing and the second sealed housing are provided with a cable connection cavity located in the center, an electrochemical cable clamping groove that runs through the front and back, and an electrode cable clamping groove that runs through one side. The electrochemical cable clamping groove and the electrode cable clamping groove are both connected to the cable connection cavity.

[0008] The cable fixing structure includes a first anti-slip buckle and a second anti-slip buckle. Both the first anti-slip buckle and the second anti-slip buckle are installed at the lower end of the first sealing shell. There are two first anti-slip buckles, and the two first anti-slip buckles are respectively installed at the two ports of the electrode cable clamp groove. The second anti-slip buckle is installed at the port of the electrode cable clamp groove.

[0009] The waterproof structure includes a waterproof protrusion, which is installed at the lower end of the first sealing housing and surrounds the outside of the cable connection cavity. The upper end of the second sealing housing is provided with a waterproof groove that matches the waterproof protrusion. The electrical cable clamp groove and the electrode cable clamp groove both pass through the waterproof groove. The cable connection cavity is filled with waterproof sealant.

[0010] As a preferred embodiment, a sealing rubber gasket is installed at the lower end of the first sealing housing, the sealing rubber gasket is arranged around the edge of the first sealing housing, and the sealing rubber gasket abuts against the upper edge of the second sealing housing.

[0011] As a preferred embodiment, the lower end of the first sealing housing is provided with buckles at all four corners, and the upper end of the second sealing housing is provided with slots corresponding to the buckles, with the corresponding buckles connected to the slots.

[0012] As a preferred embodiment, bolt holes are provided at the four corners of the first sealing housing and the second sealing housing, and the first sealing housing and the second sealing housing are fixed together by bolts, with the bolts installed in the bolt holes.

[0013] As a preferred embodiment, the first sealing housing and the second sealing housing are made of high-strength, lightweight materials.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] 1. This utility model, through the synergistic effect of a sealed shell, a second sealed shell, a sealing rubber gasket, and a waterproof filling cavity, can provide reliable waterproof protection for electrode connections and cable joints, effectively preventing water seepage and possessing excellent waterproof performance.

[0016] 2. The sealing shell of this utility model adopts a detachable connection method of the first sealing shell and the second sealing shell, which facilitates installation and disassembly, and makes it easy to inspect and maintain the cable electrode connection and joint.

[0017] 3. The first and second anti-slip buckles of this utility model make cable installation and positioning accurate and easy to operate. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the present invention.

[0019] Figure 2 This is a utility model Figure 1 A cross-sectional view from the AA perspective.

[0020] Figure 3 This is a schematic diagram of the second sealing shell of this utility model.

[0021] The labels in the diagram are as follows: 1. First sealing housing; 2. Second sealing housing; 3. Waterproof protrusion; 4. Bolt hole; 5. Clip; 6. Cable connection cavity; 7. First anti-slip clip; 8. Clip groove; 9. Waterproof groove; 11. Electrode cable clamp groove; 13. Electrode cable clamp groove; 14. Sealing rubber pad; 15. Second anti-slip clip. Detailed Implementation

[0022] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following embodiments or drawings are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0023] A waterproof protection device for high-density electrical resistivity cables crossing rivers, such as Figures 1 to 3 As shown, it includes:

[0024] The sealed housing consists of a first sealed housing 1 and a second sealed housing 2. The first sealed housing 1 is installed on the upper end of the second sealed housing 2. The adjacent surfaces of the first sealed housing 1 and the second sealed housing 2 are provided with a cable connection cavity 6 located in the center, an electrochemical cable clamping groove 11 that runs through the front and back, and an electrode cable clamping groove 13 that runs through one side. The electrochemical cable clamping groove 11 and the electrode cable clamping groove 13 are both connected to the cable connection cavity 6.

[0025] The cable fixing structure includes a first anti-slip buckle 7 and a second anti-slip buckle 15. Both the first anti-slip buckle 7 and the second anti-slip buckle 15 are installed at the lower end of the first sealing housing 1. There are two first anti-slip buckles 7, and the two first anti-slip buckles 7 are respectively installed at the two ports of the electric cable clamping groove 11. The second anti-slip buckle 15 is installed at the port of the electrode cable clamping groove 13.

[0026] The waterproof structure includes a waterproof protrusion 3, which is installed at the lower end of the first sealing housing 1 and surrounds the outside of the cable connection cavity 6. The upper end of the second sealing housing 2 is provided with a waterproof groove 9 that is adapted to the waterproof protrusion 3. The electrical cable clamp groove 11 and the electrode cable clamp groove 13 both pass through the waterproof groove 9. The cable connection cavity 6 is filled with waterproof sealant.

[0027] The first anti-slip buckle 7 and the second anti-slip buckle 15 securely fix the cable, preventing it from swaying inside the device.

[0028] Through the synergistic effect of the first sealed shell, the second sealed shell, and the waterproof filling cavity, and the interlocking structure of the waterproof protrusion 3 and the waterproof groove 9, the sealing redundancy is enhanced, which can provide reliable waterproof protection for the electrode connection and cable joint, effectively prevent water seepage, and has good waterproof performance.

[0029] The first sealing shell 1 and the second sealing shell 2 are made of high-strength, lightweight materials, allowing the equipment to float on the surface of the river.

[0030] A sealing rubber gasket 14 is installed at the lower end of the first sealing housing 1. The sealing rubber gasket 14 is arranged around the edge of the first sealing housing 1 and abuts against the upper edge of the second sealing housing 2. The sealing rubber gasket 14 further enhances the waterproof performance of the equipment.

[0031] The first sealing housing 1 has four buckles 5 at its lower end and the second sealing housing 2 has a corresponding slot 8 at its upper end. The buckles 5 are connected to the slots 8. The first sealing housing 1 and the second sealing housing 2 have bolt holes 4 at their four corners. The first sealing housing 1 and the second sealing housing 2 are fixed together by bolts, which are installed in the bolt holes 4.

[0032] With the design of buckle 5, slot 8, bolt hole 4, etc., the detachable connection of the first sealing shell and the second sealing shell facilitates installation and disassembly, and makes it easy to inspect and maintain the cable electrode connection and joint.

[0033] The installation steps are as follows:

[0034] First, separate the first sealing housing 1 and the second sealing housing 2. Place the electrical resistivity cable 10 on the electrical resistivity cable clamp 11. The electrical resistivity cable 10 passes through the cable connection cavity 6, and the connector of the electrical resistivity cable 10 is located inside the cable connection cavity 6. Place the electrode cable 12 on the electrode cable clamp 13. The connection of the electrode cable 12 is located inside the cable connection cavity 6. Connect the electrical resistivity cable 10 and the electrode cable 12. Fix the electrical resistivity cable 10 on the first sealing housing 1 using the first anti-slip buckle 7. Fix the electrode cable 12 on the first sealing housing 1 using the second anti-slip buckle 15.

[0035] Next, the first sealing housing 1 and the second sealing housing 2 are connected and installed. In this operation, the waterproof protrusion 3 is inserted into the waterproof groove 9, and the sealing rubber gasket 14 is pressed between the first sealing housing 1 and the second sealing housing 2. Both the waterproof protrusion 3 and the sealing rubber gasket 14 are pressed against the electric arc cable 10 and the electrode cable 12 to complete the waterproof seal. In addition, the buckle 5 is connected to the slot 8.

[0036] Finally, the first sealing housing 1 and the second sealing housing 2 are fixed together with bolts.

[0037] The maintenance steps are as follows:

[0038] Unscrew the bolts to separate the first sealing housing 1 and the second sealing housing 2, and you can then operate inside. After maintenance, reassemble the device according to the installation steps.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers, characterized in that, include: The sealed housing is composed of a first sealed housing (1) and a second sealed housing (2). The first sealed housing (1) is installed on the upper end of the second sealed housing (2). The adjacent surfaces of the first sealed housing (1) and the second sealed housing (2) are provided with a cable connection cavity (6) located in the center, an electric cable clamping groove (11) that runs through the front and back, and an electrode cable clamping groove (13) that runs through one side. The electric cable clamping groove (11) and the electrode cable clamping groove (13) are both connected to the cable connection cavity (6). The cable fixing structure includes a first anti-slip buckle (7) and a second anti-slip buckle (15). The first anti-slip buckle (7) and the second anti-slip buckle (15) are both installed at the lower end of the first sealing shell (1). There are two first anti-slip buckles (7), and the two first anti-slip buckles (7) are respectively installed at the two ports of the electric cable clamp groove (11). The second anti-slip buckle (15) is installed at the port of the electrode cable clamp groove (13). The waterproof structure includes a waterproof protrusion (3), which is installed at the lower end of the first sealing housing (1) and surrounds the outside of the cable connection cavity (6). The upper end of the second sealing housing (2) is provided with a waterproof groove (9) that is compatible with the waterproof protrusion (3). The electric cable clamp groove (11) and the electrode cable clamp groove (13) both pass through the waterproof groove (9). The cable connection cavity (6) is filled with waterproof sealant.

2. The waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers according to claim 1, characterized in that: A sealing rubber pad (14) is installed at the lower end of the first sealing housing (1). The sealing rubber pad (14) is arranged around the edge of the first sealing housing (1) and abuts against the upper edge of the second sealing housing (2).

3. The waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers according to claim 1, characterized in that: The first sealing housing (1) has buckles (5) at all four corners of its lower end, and the second sealing housing (2) has a slot (8) at its upper end that corresponds to the buckles (5). The corresponding buckles (5) are connected to the slots (8).

4. The waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers according to claim 3, characterized in that: The first sealing housing (1) and the second sealing housing (2) are provided with bolt holes (4) at their four corners. The first sealing housing (1) and the second sealing housing (2) are fixed together by bolts, which are installed in the bolt holes (4).

5. The waterproof protection device for high-density electrical resistivity tomography (OTT) cables crossing rivers according to claim 1, characterized in that: The first sealing housing (1) and the second sealing housing (2) are made of high-strength lightweight materials.

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