Special cable for earth pressure balance vehicle shield machine

Abstract

The present invention discloses a special cable for an earth pressure balance vehicle type shield machine, belonging to the technical field of cables. An elastically adjustable clamping component is sleeved on one end of the outer side of the cable body, and then an external compression cylinder component is abutted against the connection between the one end of the outer side of the cable body and the shield machine, so that the dustproof function at the interface is realized by the external compression cylinder component, and at the same time, the connection between the cable and the shield machine can be pressed tightly by the adaptive pressure contraction function of the external compression cylinder component, so that the cable has good waterproof and dustproof functions. The water tank component is started to pump water from the water tank into the water distribution pipe component for spraying, so as to realize the dust reduction function and at the same time, the cable body can be cooled.

Description

Technical Field

[0001] The invention relates to a cable, in particular to a special cable for an earth pressure balance vehicle type shield machine, and belongs to the technical field of cables. Background Art

[0002] According to their working principles, shield machines are generally divided into hand-dug shields, extrusion shields, semi-mechanical shields (local air pressure, global air pressure), mechanical shields (open-chest cutting shields, air pressure shields, mud-water pressure shields, earth pressure balance shields, mixed shields, and special-shaped shields).

[0003] In the prior art, the special cables for earth pressure balance vehicle-type shield machines often generate a lot of dust at their connections, resulting in leakage problems at the connection ends of the special cables for earth pressure balance vehicle-type shield machines. In addition, the special cables for earth pressure balance vehicle-type shield machines in the prior art will generate a lot of dust when the shield machine is in use, causing the entire space to be filled with dust. Therefore, a special cable for earth pressure balance vehicle-type shield machines is designed to optimize the above problems. Summary of the invention

[0004] The main purpose of the present invention is to provide a special cable for an earth pressure balance vehicle-type shield machine. An elastically adjustable clamping component is sleeved on one end of the outer side of the cable body, and then the outer compression cylinder component is abutted against the connection between the one end of the outer side of the cable body and the shield machine. The dust-proof function at the interface is achieved through the outer compression cylinder component. At the same time, the adaptive pressure contraction function of the outer compression cylinder component can be used to tightly hold the connection with the shield machine, and it has good waterproof and dustproof functions. The water tank component is started to pump water from the water tank into the water distribution pipe component for spraying, thereby achieving the dust reduction function and cooling the cable body at the same time.

[0005] The purpose of the present invention can be achieved by adopting the following technical solutions:

[0006] A special cable for an earth pressure balance vehicle-type shield machine comprises a cable body, wherein a cable core assembly is arranged inside the cable body along the axial direction of the cable body, an outer rubber sleeve is arranged outside the cable body, and a water distribution pipe assembly is arranged between the outer rubber sleeve and the cable body along the axial direction of the cable body, an elastically adjustable clamping assembly is arranged at one end of the outer side of the outer rubber sleeve, an outer compression cylinder assembly is installed in the middle part of the outer side of the elastically adjustable clamping assembly, and a connecting ring is installed at one end of the outer compression cylinder assembly away from the elastically adjustable clamping assembly, a water tank assembly is installed at the top of the outer compression cylinder assembly near the elastically adjustable clamping assembly, and the water tank assembly is connected to the water distribution pipe assembly.

[0007] Preferably, the cable core assembly comprises a rubber layer and a cable core, the cable body is filled with the rubber layer, a cable core is arranged inside the rubber layer along the axial direction of the cable body, and a metal shielding wire is arranged outside the cable core.

[0008] Preferably, the rubber layer is prepared by mixing polyethylene and mustard.

[0009] Preferably, the water distribution pipe assembly includes a water distribution pipe and a water spray pipe. The water distribution pipe is laid inside the outer rubber sleeve and on the outside of the cable body along the axial direction of the cable body. Water spray pipes that penetrate the outer rubber sleeve are evenly spaced on the outside of the water distribution pipe.

[0010] Preferably, the elastically adjustable clamping assembly includes a vertical rod, a vertical limit spring, a telescopic rod, a clamping block and an adjusting handle, the interior of the vertical rod is provided with a telescopic rod passing through the axial direction of the vertical rod, the outer side of the telescopic rod is provided with a vertical limit spring, the bottom of the telescopic rod is installed with a clamping block, the top of the telescopic rod is installed with an adjusting handle, and the clamping block is clamped on the outside of the outer rubber sleeve.

[0011] Preferably, a protective sleeve is provided on the outer side of the adjustment handle.

[0012] Preferably, the outer compression cylinder assembly includes a first outer ring body, a first horizontal limit spring, a second horizontal limit spring, a connecting block and a second outer ring body, the second outer ring body is sleeved on the outer side of the first outer ring body, the third outer ring body is sleeved on the outer side of the second outer ring body, a first horizontal limit spring is installed between the inner bottom of the second outer ring body and the first outer ring body, a connecting block is installed at one end of the second outer ring body located inside the third outer ring body, a second horizontal limit spring is installed between the connecting block and the inside of the third outer ring body, and a connecting ring is installed at the outer end of the third outer ring body.

[0013] Preferably, the water tank assembly includes a water tank, a U-shaped cannula, a water pump and a water inlet valve. The water tank is installed at the top of the outer side of the first outer ring body, one side of the top of the water tank is connected to the water inlet valve, a water pump is installed on the top of the outer side of the water tank, one end of the water pump is connected to the water distribution pipe through a water guide pipe, the other end of the water pump is connected to the U-shaped cannula, and the U-shaped cannula passes through the interior of the water tank, and one side of the top of the water tank is connected to the water inlet valve.

[0014] Preferably, an isolation block is provided between the outer rubber sleeve and the outer side of the cable body and close to the end of the cable body.

[0015] Beneficial technical effects of the present invention:

[0016] The special cable for earth pressure balance vehicle type shield machine provided by the present invention has an elastically adjustable clamping component sleeved on one end of the outer side of the cable body, and then its outer compression cylinder component is pressed against the connection between the one end of the outer side of the cable body and the shield machine, so that the dustproof function at the interface is realized by the outer compression cylinder component, and at the same time, the self-adaptive pressure contraction function of the outer compression cylinder component can be used to press and hold the connection with the shield machine tightly, so as to have good waterproof and dustproof functions. The water tank component is started to pump water from the water tank into the water distribution pipe component for spraying, so as to realize the dust reduction function and also can cool the cable body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall side sectional view of a preferred embodiment of a cable for an earth pressure balance vehicle type shield machine according to the present invention;

[0018] Figure 2 A side sectional view of the elastic dustproof component structure of a preferred embodiment of the special cable for earth pressure balance vehicle type shield machine according to the present invention;

[0019] Figure 3 It is an enlarged structural view of a point of a preferred embodiment of the special cable for earth pressure balance vehicle type shield machine according to the present invention;

[0020] Figure 4 It is an enlarged structural view of position b of a preferred embodiment of the special cable for earth pressure balance vehicle type shield machine according to the present invention;

[0021] Figure 5 The present invention is a side cross-sectional view of a cable core assembly according to a preferred embodiment of a cable dedicated to an earth pressure balance vehicle-type shield machine of the present invention.

[0022] In the figure: 1-water pipe, 2-water tank, 3-cable body, 4-first outer ring body, 5-second outer ring body, 6-third outer ring body, 7-connecting ring, 8-vertical rod, 9-vertical limit spring, 10-telescopic rod, 11-adjusting handle, 12-clamping block, 13-first horizontal limit spring, 14-second horizontal limit spring, 15-water distribution pipe, 16-isolation block, 17-water spray pipe, 18-connecting block, 19-outer rubber sleeve, 20-rubber layer, 21-cable core, 22-water pump, 23-water inlet valve, 24-U-shaped intubation pipe. DETAILED DESCRIPTION

[0023] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0024] like Figure 1-Figure 5As shown, the special cable for earth pressure balance vehicle-type shield machine provided in this embodiment includes a cable body 3, a cable core assembly is provided inside the cable body 3 along the axial direction of the cable body 3, an outer rubber sleeve 19 is provided on the outer side of the cable body 3, and a water distribution pipe assembly is provided between the outer rubber sleeve 19 and the cable body 3 along the axial direction of the cable body 3, an elastically adjustable clamping assembly is provided at one end of the outer side of the outer rubber sleeve 19, an outer compression cylinder assembly is installed in the middle of the outer side of the elastically adjustable clamping assembly, and a connecting ring 7 is installed at one end of the outer compression cylinder assembly away from the elastically adjustable clamping assembly, a water tank assembly is installed at the top of the outer compression cylinder assembly near the elastically adjustable clamping assembly, and the water tank assembly is connected to the water distribution pipe assembly.

[0025] An elastically adjustable clamping component is sleeved on one end of the outer side of the cable body 3, and then the outer compression cylinder component is pressed against the connection between the one end of the outer side of the cable body 3 and the shield machine. The dust-proof function at the interface is achieved through the outer compression cylinder component, and the adaptive pressure contraction function of the outer compression cylinder component can also be used to press and hold the connection with the shield machine tightly, so as to have good waterproof and dustproof functions. The water tank component is started to pump water from the water tank 2 into the water distribution pipe assembly for spraying, so as to achieve the dust reduction function and also cool the cable body 3.

[0026] In this embodiment, the cable core assembly includes a rubber layer 20 and a cable core 21. The cable body 3 is filled with the rubber layer 20. The cable core 21 is arranged inside the rubber layer 20 along the axial direction of the cable body 3, and a metal shielding wire is arranged on the outside of the cable core 21.

[0027] In this embodiment, the rubber layer 20 is prepared by mixing polyethylene and mustard.

[0028] In this embodiment, the water distribution pipe assembly includes a water distribution pipe 15 and a water spray pipe 17. The water distribution pipe 15 is laid inside the outer rubber sleeve 19 and on the outside of the cable body 3 along the axial direction of the cable body 3. Water spray pipes 17 that penetrate the outer rubber sleeve 19 are arranged at equal intervals on the outside of the water distribution pipe 15.

[0029] In this embodiment, the elastically adjustable clamping assembly includes a vertical rod 8, a vertical limit spring 9, a telescopic rod 10, a clamping block 12 and an adjusting handle 11. The interior of the vertical rod 8 is penetrated by the telescopic rod 10 along the axial direction of the vertical rod 8, the outer side of the telescopic rod 10 is sleeved with a vertical limit spring 9, the bottom of the telescopic rod 10 is installed with a clamping block 12, the top of the telescopic rod 10 is installed with an adjusting handle 11, and the clamping block 12 is clamped on the outside of the outer rubber sleeve 19.

[0030] In this embodiment, a protective cover is provided on the outer side of the adjustment handle 11 .

[0031] In this embodiment, the outer compression cylinder assembly includes a first outer ring body 4, a first horizontal limit spring 13, a second horizontal limit spring 14, a connecting block 18 and a second outer ring body 5. The second outer ring body 5 is sleeved on the outer side of the first outer ring body 4, and the third outer ring body 6 is sleeved on the outer side of the second outer ring body 5. The first horizontal limit spring 13 is installed between the inner bottom of the second outer ring body 5 and the first outer ring body 4. The connecting block 18 is installed at one end of the second outer ring body 5 located inside the third outer ring body 6. The second horizontal limit spring 14 is installed between the connecting block 18 and the inside of the third outer ring body 6, and a connecting ring 7 is installed on the outer end of the third outer ring body 6.

[0032] In this embodiment, the water tank assembly includes a water tank 2, a U-shaped insert 24, a water pump 22 and a water inlet valve 23. The water tank 2 is installed at the top of the outer side of the first outer ring body 4. The top side of the water tank 2 is connected to the water inlet valve 23. The water pump 22 is installed on the top of the outer side of the water tank 2. One end of the water pump 22 is connected to the water distribution pipe 15 through the water guide pipe 1, and the other end of the water pump 22 is connected to the U-shaped insert 24, and the U-shaped insert 24 passes through the interior of the water tank 2. The top side of the water tank 2 is connected to the water inlet valve 23.

[0033] In this embodiment, an isolation block 16 is provided between the outer rubber sleeve 19 and the outer side of the cable body 3 and close to the end of the cable body 3 .

[0034] The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and concepts of the present invention within the scope disclosed by the present invention, which belong to the protection scope of the present invention.

Claims

1. Special cable for earth pressure balance vehicle shield machine, characterized by: The invention comprises a cable body (3), wherein a cable core assembly is arranged inside the cable body (3) along the axial direction of the cable body (3), an outer rubber sleeve (19) is arranged outside the cable body (3), and a water distribution pipe assembly is arranged between the outer rubber sleeve (19) and the cable body (3) along the axial direction of the cable body (3), an elastically adjustable clamping assembly is arranged at one end of the outer side of the outer rubber sleeve (19), an outer compression cylinder assembly is installed in the middle of the outer side of the elastically adjustable clamping assembly, and a connecting ring (7) is installed at one end of the outer compression cylinder assembly away from the elastically adjustable clamping assembly, a water tank assembly is installed near the top of the elastically adjustable clamping assembly, and the water tank assembly is connected to the water distribution pipe assembly; The cable core assembly comprises a rubber layer (20) and a cable core (21); the cable body (3) is filled with the rubber layer (20); the cable core (21) is arranged inside the rubber layer (20) along the axial direction of the cable body (3); and a metal shielding wire is arranged on the outside of the cable core (21); The rubber layer (20) is prepared by mixing polyethylene and mustard; The water distribution pipe assembly comprises a water distribution pipe (15) and a water spray pipe (17); the water distribution pipe (15) is arranged inside the outer rubber sleeve (19) and outside the cable body (3) along the axial direction of the cable body (3); and the water spray pipes (17) penetrating the outer rubber sleeve (19) are arranged at equal intervals outside the water distribution pipe (15); The elastically adjustable clamping assembly comprises a vertical rod (8), a vertical limit spring (9), a telescopic rod (10), a clamping block (12) and an adjusting handle (11); the interior of the vertical rod (8) is provided with a telescopic rod (10) penetrating along the axial direction of the vertical rod (8); the outer side of the telescopic rod (10) is sleeved with a vertical limit spring (9); the bottom of the telescopic rod (10) is provided with a clamping block (12); the top of the telescopic rod (10) is provided with an adjusting handle (11); and the clamping block (12) is clamped on the outer side of an outer rubber sleeve (19).

2. The special cable for earth pressure balance vehicle type shield machine according to claim 1, characterized in that: The outer side of the adjustment handle (11) is provided with a protective sleeve.

3. The special cable for earth pressure balance vehicle type shield machine according to claim 2, characterized in that: The outer compression cylinder assembly comprises a first outer ring body (4), a first horizontal limit spring (13), a second horizontal limit spring (14), a connecting block (18) and a second outer ring body (5); the second outer ring body (5) is sleeved on the outer side of the first outer ring body (4); the third outer ring body (6) is sleeved on the outer side of the second outer ring body (5); a first horizontal limit spring (13) is installed between the inner bottom of the second outer ring body (5) and the first outer ring body (4); a connecting block (18) is installed at one end of the second outer ring body (5) located inside the third outer ring body (6); a second horizontal limit spring (14) is installed between the connecting block (18) and the inside of the third outer ring body (6); and a connecting ring (7) is installed at the outer end of the third outer ring body (6).

4. The special cable for earth pressure balance vehicle type shield machine according to claim 3, characterized in that: The water tank assembly comprises a water tank (2), a U-shaped insert pipe (24), a water pump (22) and a water inlet valve (23); the water tank (2) is installed at the top of the outer side of the first outer ring body (4); one side of the top of the water tank (2) is connected to the water inlet valve (23); a water pump (22) is installed at the top of the outer side of the water tank (2); one end of the water pump (22) is connected to the water distribution pipe (15) through the water guide pipe (1); the other end of the water pump (22) is connected to the U-shaped insert pipe (24); and the U-shaped insert pipe (24) runs through the interior of the water tank (2); and one side of the top of the water tank (2) is connected to the water inlet valve (23).

5. The special cable for earth pressure balance vehicle type shield machine according to claim 4, characterized in that: An isolation block (16) is provided between the outer rubber sleeve (19) and the outer side of the cable body (3) and close to the end of the cable body (3).

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