CN211981466U

CN211981466U - Cable intermediate head well

Info

Publication number: CN211981466U
Application number: CN202020699261.8U
Authority: CN
Inventors: 花明; 宛鑫; 华伟
Original assignee: Hangzhou Hongsheng Electric Power Design Consulting Co ltd
Current assignee: Hangzhou Hongsheng Electric Power Design Consulting Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-20
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a cable intermediate head well, include: a first joint compartment; the first hanging mechanisms are respectively arranged on two opposite inner side walls of the first joint cabin; the first pipe arranging mechanism is embedded at the bottom of the first joint cabin and forms a channel for a cable to pass through; the second joint cabin is communicated with the first joint cabin; the second hanging mechanism is arranged on the first side wall in the second joint cabin; and the second pipe arranging mechanism is embedded in a second side wall in the second joint cabin and forms a channel for the cable to pass through. The technical scheme of the utility model be through carrying out arranging of two return circuit cable intermediate head respectively at two inside walls in first joint cabin to and carry out arranging of third return circuit cable intermediate head on the first lateral wall in second joint cabin, can satisfy the demand of three return circuit cable intermediate head to installation space, have better suitability.

Description

Cable intermediate head well

Technical Field

The utility model relates to a power equipment technical field especially relates to a cable intermediate head well.

Background

With the rapid development of urbanization construction, the load of a power grid increases year by year, substations constructed in urban areas increase year by year, and general buildings in the urban areas have higher density, so that the incoming and outgoing lines of the substations are easily limited by surrounding buildings.

In order to save the ground space, the cable tunnel is produced. After the cable is laid, the lengths of cable must be connected together in order to form a continuous line, and these connection points are called cable joints. The cable joints at the middle of the cable are called cable intermediate joints, and the cable joints at the two ends of the line are called cable terminals. Taking a 110kV line as an example of the backbone force of a power transmission line, the cabling rate of the 110kV line is increasingly improved, and when the three-loop 110kV cable intermediate joint is placed in a section of cable tunnel at the same time, a large amount of space is occupied, so that the cable tunnel cannot be continuously laid, or the number of laid cables cannot meet the planning requirement, and the development of an urban power grid is severely restricted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art three return circuit cable intermediate head and place occupation space great when in same section cable tunnel, lead to the unable defect that satisfies the cable laying demand of cable tunnel inner space to a cable intermediate head well that can satisfy the required installation space of three return circuit cable intermediate head is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cable intermediate joint well, comprising:

a first joint compartment;

the first hanging mechanisms are respectively arranged on two opposite inner side walls of the first joint cabin and used for fixedly hanging a cable intermediate joint;

the first pipe arranging mechanism is embedded at the bottom of the first joint cabin and forms a channel for a cable to pass through;

the second joint cabin is communicated with the first joint cabin;

the second hanging mechanism is arranged on the first side wall in the second connector cabin and used for fixedly hanging the cable middle connector; and a process for the preparation of a coating,

and the second pipe arranging mechanism is embedded in a second side wall in the second joint cabin and forms a channel for a cable to pass through.

Further, the cable intermediate connector well further comprises:

the first transition cabin is arranged at the end part of the first joint cabin, which is far away from the second joint cabin, and is communicated with the first joint cabin;

the second transition cabin is arranged between the first joint cabin and the second joint cabin and communicated with the first joint cabin and the second joint cabin; and a process for the preparation of a coating,

and the third transition cabin is arranged at the end part of the second joint cabin, which is far away from the second transition cabin, and is communicated with the second joint cabin.

Further, the first hanging mechanism comprises:

the joint support mechanism is arranged on the inner side wall of the first joint cabin and is used for fixedly hanging a cable middle joint; and a process for the preparation of a coating,

the cable support mechanism is arranged on the inner side wall of the first joint cabin at intervals along the horizontal direction, and is arranged on two sides of the joint support mechanism at intervals along the horizontal direction, and the cable support mechanism is used for fixedly hanging a cable.

Further, the cable holder mechanism includes: the first supports are sequentially arranged on the inner side wall of the first joint cabin at intervals in the vertical direction, and the first supports are sequentially arranged at intervals in the horizontal direction.

Further, the joint bracket mechanism includes: the second supports are sequentially arranged on the inner side wall of the first joint cabin at intervals along the vertical direction, and the second supports are sequentially arranged at intervals along the horizontal direction.

Further, the first bracket includes:

the cable adjusting frame is fixedly arranged on the inner side wall of the first joint cabin;

the cable fixing frame is arranged on the cable adjusting frame and is perpendicular to the cable adjusting frame; and a process for the preparation of a coating,

and the cable clamp is fixedly arranged on one side of the cable fixing frame back to the bottom of the first joint cabin and used for clamping a cable.

Further, the second bracket includes:

the joint adjusting frame is fixedly arranged on the inner side wall of the first joint cabin;

the joint fixing frame is arranged on the joint adjusting frame and is perpendicular to the joint adjusting frame; and a process for the preparation of a coating,

and the joint protection box is fixedly arranged on one side of the joint fixing frame back to the bottom of the first joint cabin and is used for fixing a cable middle joint.

Furthermore, the first transition cabin, the first joint cabin, the second transition cabin, the second joint cabin and the third transition cabin are all provided with operation inlets communicated with the external environment.

Furthermore, the cable intermediate head well also comprises a plurality of cover plates, and each cover plate is correspondingly covered on each operation inlet.

Furthermore, a first through hole is formed between the first transition cabin and the first joint cabin, a second through hole is formed between the first joint cabin and the second transition cabin, a third through hole is formed between the second transition cabin and the second joint cabin, a fourth through hole is formed between the second joint cabin and the third transition cabin, and the first through hole, the second through hole, the third through hole and the fourth through hole are all used for allowing a cable to pass through.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the technical scheme, the first joint cabin and the second joint cabin are arranged on the same horizontal line, the first hanging mechanism is arranged on two inner side walls of the first joint cabin respectively, the arrangement of the two loop cable intermediate joints is achieved through the first hanging mechanism at the two inner side walls, meanwhile, the second hanging mechanism is arranged on the first side wall of the second joint cabin, the arrangement of the third loop cable intermediate joint is achieved based on the second hanging mechanism, the requirement of the intermediate joints in the three loop cables for installation space can be met, the mutual influence among all cable loops can be avoided, the occupied space is small, and the cable intermediate joint well has good applicability.

Drawings

Fig. 1 is a schematic plan view of a cable intermediate connector well according to an embodiment of the present invention.

Fig. 2 is a schematic plan view of another perspective view of the cable intermediate connector well of fig. 1.

Fig. 3 is a cross-sectional view a-a shown in fig. 1.

Fig. 4 is a sectional view of B-B shown in fig. 1.

Fig. 5 is a cross-sectional view of C-C shown in fig. 1.

Fig. 6 is a cross-sectional view of E-E shown in fig. 2.

Fig. 7 is a cross-sectional view of D-D shown in fig. 1.

Fig. 8 is a cross-sectional view of F-F shown in fig. 2.

Fig. 9 is a sectional view of G-G shown in fig. 2.

100. A cable intermediate connector well; 10. a first joint compartment; 11. an inner sidewall; 20. a first hanging mechanism; 21. a joint support mechanism; 211. a second bracket; 2111. a joint adjusting frame; 2112. a joint fixing frame; 2113. a connector protection box; 2114. a box body fixing piece; 22. a cable support mechanism; 221. a first bracket; 2211. a cable adjusting bracket; 2212. a cable fixing frame; 2213. a cable clamp; 30. a first pipe arranging mechanism; 40. a second joint compartment; 41. a first side wall; 42. a second side wall; 50. a second hanging mechanism; 60. a second tube arranging mechanism; 70. a first transition compartment; 71. a first through hole; 80. a second transition compartment; 81. a second through hole; 82. a third through hole; 90. a third transition compartment; 91. a fourth via hole; 101. an operational inlet; 102. a cover plate; 103. a cable intermediate joint; 104. an electrical cable.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1 to 3, an embodiment of the present invention provides a novel cable intermediate head well 100, the cable intermediate head well 100 can satisfy the requirement of the three-circuit cable intermediate head 103 for the installation space, and the three-circuit cable intermediate head 103 has less space occupied when being arranged, and has better applicability.

The cable intermediate joint well 100 includes: the cable management system comprises a first joint cabin 10, a cable hanging mechanism, a first pipe arranging mechanism 30, a second joint cabin 40 and a second pipe arranging mechanism 60.

Wherein the first joint cabin 10 and the second joint cabin 40 are on the same horizontal line, and the first joint cabin 10 is communicated with the second joint cabin 40, and the cables 104 of each loop can extend into the first joint cabin 10 from the left side of the first joint cabin 10 and extend out from the right side of the second joint cabin 40.

Wherein, the mechanism is established to cable hanging includes: the hanging device comprises at least two first hanging mechanisms 20 and a second hanging mechanism 50, wherein the first hanging mechanisms 20 and the second hanging mechanisms 50 are completely the same in structure; each first hanging mechanism 20 is respectively installed on two opposite inner side walls 11 of the first joint cabin 10, and is used for fixedly hanging the cable intermediate joint 103, that is: two loops (namely, cable loops) extending into the first joint chamber 10 are fixedly hung through the first hanging mechanisms 20 on the two inner side walls 11, so that the two cable loops in the first joint chamber 10 are arranged in an isolated manner. The second hanging mechanism 50 is mounted on the first sidewall 41 in the second joint chamber 40, and the third cable loop is fixedly hung on the first sidewall 41 by the second hanging mechanism 50 and extends out from the right side of the second joint chamber 40.

The first pipe arranging mechanism 30 is embedded at the bottom of the first joint cabin 10 and is provided with a channel through which a cable 104 passes, the third cable loop extends into the first pipe arranging mechanism 30 from the left side of the first pipe arranging mechanism 30, and then extends out from the right side of the first pipe arranging mechanism 30 and extends into the second joint cabin 40, so that the purpose of mutual isolation between the third cable loop and two cable loops in the first joint cabin 10 can be achieved.

In addition, the second pipe arranging mechanism 60 is embedded at the second side wall 42 of the second joint chamber 40 and forms a channel for the cable 104 to pass through, and the first side wall 41 and the second side wall 42 are spaced from each other, that is: the second hanging mechanism 50 and the second pipe arranging mechanism 60 are arranged in parallel at intervals on two opposite side walls in the second joint cabin 40; the two cable loops passing through the right side of the first joint chamber 10 penetrate into the second pipe arranging mechanism 60 from the left side of the second pipe arranging mechanism 60, extend out from the right side of the second pipe arranging mechanism 60, and then extend out from the right side of the second joint chamber 40, so that the effect that the third cable loop fixedly hung in the second joint chamber 40 and the two cable loops fixedly hung in the first joint chamber 10 are isolated from each other can be realized.

Wherein, this cable intermediate head well 100 still includes: the first transition cabin 70 is arranged at the end part of the first joint cabin 10 far away from the second joint cabin 40, and is communicated with the first joint cabin 10; the second transition cabin 80 is arranged between the first joint cabin 10 and the second joint cabin 40, and simultaneously, the left side and the right side of the second transition cabin 80 are respectively communicated with the first joint cabin 10 and the second joint cabin 40; a third pod 90 is disposed at the end of the second pod 40 distal from the second pod 80 and in communication with the right side of the second pod 40. In addition, the first duct discharging mechanism 30 has two axial ends respectively communicating with the first transition compartment 70 and the second transition compartment 80.

It is understood that three cable loops are all threaded through the left side of the first transition compartment 70, wherein two cable loops are threaded into the first joint compartment 10 through the left side of the first joint compartment 10 and further extend into the second rack pipe mechanism 60 through the second transition compartment 80; the third cable loop extends into the first duct-discharging mechanism 30 and further extends into the second joint chamber 40 through the second transition chamber 80; finally, three cable loops each extend from the right side of the second splice compartment 40 into the third transition compartment 90.

Referring to fig. 4 and 5, the first hanging mechanism 20 includes: the connector support mechanism 21 and at least two cable support mechanisms 22, the connector support mechanism 21 is installed on the inner side wall 11 of the first connector compartment 10, and the connector support mechanism 21 is used for fixing and hanging the cable intermediate connector 103 in the cable loop. The cable support mechanisms 22 are installed on the inner side wall 11 of the first joint chamber 10 at intervals along the horizontal direction, meanwhile, the cable support mechanisms 22 are arranged at intervals along the horizontal direction on two sides of the joint support mechanism 21, and the cable support mechanisms 22 are used for fixing and hanging the cables 104 on two sides of the cable intermediate joint 103.

Wherein, this cable support mechanism 22 is including at least three first support 221, and each first support 221 is installed on the inside wall 11 of first joint cabin 10 along vertical direction interval in proper order to follow the horizontal direction interval arrangement in proper order between each first support 221, promptly: the first supports 221 are sequentially arranged from top to bottom at intervals, and the first supports 221 are also sequentially arranged from left to right at intervals.

Wherein, connect gimbal mechanism 21 including at least three second support 211, the quantity of second support 211 is the same with the quantity of first support 221, and each second support 211 is installed on the inside wall 11 of first joint cabin 10 along vertical direction interval in proper order to follow the horizontal direction in proper order interval arrangement between each second support 211, promptly: each second support 211 is arranged from top to bottom at intervals in turn, and each second support 211 is also arranged from left to right at intervals in turn.

Wherein, the first bracket 221 includes: the cable adjusting device comprises a cable adjusting frame 2211, a cable fixing frame 2212 and a cable clamp 2213, wherein the cable adjusting frame 2211 is fixedly arranged on the inner side wall 11 of the first joint cabin 10; the cable fixing frame 2212 is arranged on the cable adjusting frame 2211 and is vertically arranged between the cable fixing frame 2211 and the cable adjusting frame 2211, and a worker can adjust the installation position of the cable fixing frame 2212 according to actual needs; the cable clamp 2213 is fixedly installed at the bottom of the cable fixing frame 2212 opposite to the first joint cabin 10, and is used for clamping the cables 104 at two sides of the cable intermediate joint 103.

Wherein, this second support 211 includes: the connector adjusting frame 2111, the connector fixing frame 2112 and the connector protection box 2113, wherein the connector adjusting frame 2111 is fixedly arranged on the inner side wall 11 of the first connector cabin 10 and is arranged at intervals with the cable adjusting frame 2211; the joint fixing frame 2112 is arranged on the joint adjusting frame 2111 and is perpendicular to the joint adjusting frame 2111, and a worker can adjust the installation position of the joint fixing frame 2112 according to actual needs; the connector protection box 2113 is fixedly mounted on the side of the connector fixing frame 2112 opposite to the bottom of the first connector compartment 10, and is used for fixing the cable intermediate connector 103 and preventing the cable intermediate connector 103 from exploding. The connector protection box 2113 is fixed to the connector holder 2112 by a box fixing member 2114 (such as a nylon cord).

Referring to fig. 6 to 9, one or more operation inlets 101 are disposed on the sides of the first transition cabin 70, the first joint cabin 10, the second transition cabin 80, the second joint cabin 40, and the third transition cabin 90 close to the ground, so that the worker can enter the corresponding cabin through the operation inlets 101, and the worker can perform different operations such as laying and repairing the cable loop. In addition, cover plates 102 are covered at the operation inlets 101 in a one-to-one correspondence manner, and the number of the cover plates 102 is the same as that of the operation inlets 101, so that the operation inlets 101 are covered to avoid the phenomenon of wrong entry of pedestrians.

A first through hole 71 is formed between the first transition cabin 70 and the first joint cabin 10, so that two cable loops penetrate into the first joint cabin 10 through the first through hole 71, and a third cable loop is laid into the second joint cabin 40 through the first pipe arranging mechanism 30; a second through hole 81 is formed between the first joint cabin 10 and the second transition cabin 80, so that two cable loops penetrating into the first joint cabin 10 penetrate into the second transition cabin 80 through the second through hole 81; a third through hole 82 is formed between the second transition cabin 80 and the second joint cabin 40, so that three cable loops can penetrate into the second joint cabin 40 through the third through hole 82; a fourth through hole 91 is formed between the second joint cabin 40 and the third transition cabin 90, so that three cable loops in the second joint cabin 40 penetrate into the third transition cabin 90 through the fourth through hole 91. As can be understood, a fifth through hole (not shown) is formed in one side of the first transition cabin 70, which is away from the first joint cabin 10, and all three cable loops penetrate into the first joint cabin 10 through the fifth through hole; a sixth through hole (not shown) is formed in one side of the third transition cabin 90, which is far away from the second joint cabin 40, and all three cable loops in the third transition cabin 90 can pass through the sixth through hole.

In addition, a plurality of glass fiber reinforced plastic pipes which are parallel to each other and spaced are horizontally laid in the first pipe arranging mechanism 30, and each cable 104 in the same cable loop can be respectively inserted into different glass fiber reinforced plastic pipes and laid into the second transition cabin 80, so that the effect of mutual isolation between each cable 104 in the same cable loop can be realized, as shown in fig. 7 and 9; in addition, a plurality of glass fiber reinforced plastic pipes are laid in the second pipe arranging mechanism 60 along the vertical direction, and each cable 104 in the same cable loop can be respectively threaded into different glass fiber reinforced plastic pipes and laid into the third transition cabin 90, as shown in fig. 8.

The process of laying the various cable loops inside the cable intermediate joint well 100 provided in the above embodiments may be described as follows:

three cable loops penetrate into the first transition cabin 70 through a fifth through hole, wherein two cable loops are laid into the first joint cabin 10 through the first through hole 71, and the third cable loop is laid into the second transition cabin 80 through the first pipe arranging mechanism 30; two cable loops laid in the first joint cabin 10 are fixedly hung on two opposite inner side walls 11 of the first joint cabin 10 respectively and are laid in the second transition cabin 80 through the second through holes 81, wherein a cable 104 part positioned in the first joint cabin 10 is fixedly hung on a cable fixing frame 2212 through a cable clamp 2213, and a cable middle joint 103 is fixedly hung on a joint fixing frame 2112 through the combined action of a cable protection box and a box body fixing piece 2114; two cable loops which are laid into the second transition chamber 80 through the second through hole 81 pass through the third through hole 82 to enter the second joint chamber 40, are further laid into the second tube row mechanism 60 at the second side wall 42, and are then laid into the third joint chamber through the fourth through hole 91; the cable loop which is laid in the second transition cabin 80 through the first pipe arranging mechanism 30 is laid in the second joint cabin 40 through the third through hole 82 and fixedly hung on the first side wall 41 through the second hanging mechanism 50, and then is laid in the third transition cabin 90 through the fourth through hole 91; finally, three cable loops run into the third transition compartment 90 may be run out of the well through the sixth through-hole.

The cable intermediate joint well 100 provided in the above embodiment is formed by disposing the first joint chamber 10 and the second joint chamber 40 on the same horizontal line, and the first hanging mechanisms 20 are respectively disposed on the two inner side walls 11 of the first joint chamber 10, so as to realize the arrangement of the two loop cable intermediate joints 103 through the first hanging mechanisms 20 at the two inner side walls 11, and meanwhile, the second hanging mechanism 50 is disposed on the first side wall 41 in the second joint chamber 40, so as to realize the arrangement of the third loop cable intermediate joint 103 based on the second hanging mechanism 50, which can satisfy the requirement of the three loop cable intermediate joints 103 on the installation space, and can also avoid the mutual influence between the cable loops, and the occupied space is small, and has good applicability.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A cable intermediate joint well, comprising:

a first joint compartment (10);

the first hanging mechanisms (20) are respectively arranged on two opposite inner side walls (11) of the first joint cabin (10) and used for fixedly hanging a cable intermediate joint;

the first pipe arranging mechanism (30) is embedded at the bottom of the first joint cabin (10) and forms a channel for a cable to pass through;

a second joint compartment (40) in communication with the first joint compartment (10);

the second hanging mechanism (50) is arranged on the first side wall (41) in the second joint cabin (40) and is used for fixedly hanging the cable middle joint; and a process for the preparation of a coating,

and a second pipe arranging mechanism (60) which is embedded in a second side wall (42) in the second joint cabin (40) and forms a channel for passing through a cable.

2. The mid-cable joint well as defined in claim 1, wherein the mid-cable joint well (100) further comprises:

the first transition cabin (70), the first transition cabin (70) is arranged at the end part of the first joint cabin (10) far away from the second joint cabin (40) and is communicated with the first joint cabin (10);

the second transition cabin (80) is arranged between the first joint cabin (10) and the second joint cabin (40), and is communicated with the first joint cabin (10) and the second joint cabin (40); and a process for the preparation of a coating,

and the third transition cabin (90) is arranged at the end part, far away from the second transition cabin (80), of the second joint cabin (40) and communicated with the second joint cabin (40).

3. A cable intermediate joint well according to claim 2, characterized in that said first hanging means (20) comprises:

the joint support mechanism (21) is arranged on the inner side wall (11) of the first joint cabin (10), and the joint support mechanism (21) is used for fixedly hanging a cable middle joint; and a process for the preparation of a coating,

the cable support structure comprises at least two cable support mechanisms (22), wherein the cable support mechanisms (22) are installed on the inner side wall (11) of the first joint cabin (10) at intervals along the horizontal direction, the cable support mechanisms (22) are arranged on two sides of the joint support mechanism (21) at intervals along the horizontal direction, and the cable support mechanisms (22) are used for fixedly hanging cables.

4. A cable intermediate joint well according to claim 3, characterized in that said cable holder means (22) comprises: the first brackets (221) are sequentially arranged on the inner side wall (11) of the first joint cabin (10) at intervals along the vertical direction, and the first brackets (221) are sequentially arranged at intervals along the horizontal direction.

5. A cable intermediate joint well according to claim 4, characterized in that said joint holder means (21) comprises: the second supports (211) are sequentially arranged on the inner side wall (11) of the first joint cabin (10) at intervals in the vertical direction, and the second supports (211) are sequentially arranged at intervals in the horizontal direction.

6. The cable intermediate joint well according to claim 4, characterized in that said first cradle (221) comprises:

the cable adjusting frame (2211), the cable adjusting frame (2211) is fixedly arranged on the inner side wall (11) of the first joint cabin (10);

the cable fixing frame (2212), the cable fixing frame (2212) is arranged on the cable adjusting frame (2211), and is perpendicular to the cable adjusting frame (2211); and a process for the preparation of a coating,

the cable clamp (2213), the cable clamp (2213) is fixedly arranged on one side of the cable fixing frame (2212) back to the bottom of the first joint cabin (10) and is used for clamping a cable.

7. The cable intermediate joint well according to claim 5, characterized in that said second cradle (211) comprises:

the joint adjusting frame (2111), the joint adjusting frame (2111) is fixedly arranged on the inner side wall (11) of the first joint cabin (10);

the joint fixing frame (2112), the joint fixing frame (2112) is arranged on the joint adjusting frame (2111) and is perpendicular to the joint adjusting frame (2111); and a process for the preparation of a coating,

and the joint protection box (2113) is fixedly arranged on one side of the joint fixing frame (2112) back to the bottom of the first joint cabin (10) and is used for fixing a cable middle joint.

8. The cable intermediate joint well according to claim 2, characterized in that said first transition compartment (70), said first joint compartment (10), said second transition compartment (80), said second joint compartment (40) and said third transition compartment (90) are each provided with an operating access (101) for communication with the external environment.

9. The mid-cable joint well as defined in claim 8, wherein the mid-cable joint well (100) further comprises a plurality of cover plates (102), each cover plate (102) covering each of the operation inlets (101) in a one-to-one correspondence.

10. The cable intermediate joint well according to claim 2, wherein a first through hole (71) is formed between the first transition cabin (70) and the first joint cabin (10), a second through hole (81) is formed between the first joint cabin (10) and the second transition cabin (80), a third through hole (82) is formed between the second joint cabin (80) and the second joint cabin (40), a fourth through hole (91) is formed between the second joint cabin (40) and the third transition cabin (90), and the first through hole (71), the second through hole (81), the third through hole (82) and the fourth through hole (91) are all used for a cable to pass through.