Independent platform type cable terminal station

Abstract

The utility model belongs to the field of cable and overhead conductor installation, and particularly relates to an independent platform type cable terminal station which comprises an overhead line tower, a plurality of overhead cables installed on the overhead line tower and a plurality of underground cables. The overhead line tower further comprises a cable platform and a support, the cable platform is located on the side face of the overhead line tower, the end of the underground cable is installed on the cable platform, the support is fixedly connected to the top of the cable platform, the overhead cable is connected with a connecting wire, the connecting wire is installed on the support, and the end of the connecting wire is connected with the underground cable. By means of the independent platform type cable terminal station, on the premise that the requirement for the operation space of operators is met as much as possible, the problems that in an original cable tower descending mode, construction difficulty is large, overhauling is difficult and safety is poor are solved, and the effects of reducing operation and maintenance difficulty, improving operation and maintenance efficiency and facilitating operation and maintenance are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cable and overhead conductor installation field, concretely is a kind of independent platform type cable terminal station. BACKGROUND

[0002] Cable terminal tower, also known as terminal tower, is a special tower structure, which bears the tension of ground wire on one side, and most of them will adopt cable terminal tower or cable terminal at the place where overhead line is changed into ground laying. The main functions of the cable terminal tower include supporting and fixing the cable terminal, ensuring the safety distance between terminals, and effectively connecting with overhead lines.

[0003] With the deepening of high-voltage cables into urban areas and the acceleration of municipal construction and land development, more and more overhead lines in urban areas are gradually going underground, and more and more lines need to be connected to overhead lines and cables.

[0004] The cable terminal tower or joint station in operation currently has the problem of insufficient installation and maintenance space. Therefore, an independent platform type cable terminal station is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the shortcomings of the prior art and solve at least one technical problem raised in the background art, the utility model provides an independent platform type cable terminal station.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the independent platform type cable terminal station comprises an overhead line tower, a plurality of overhead cables installed on the overhead line tower, and a plurality of underground cables; it further comprises a cable platform and a support, the cable platform is located on the side of the overhead line tower, the end of the underground cable is installed on the cable platform, the support is fixedly connected to the top of the cable platform, the overhead cable is connected with a connecting conductor, the connecting conductor is installed on the support, and the end of the connecting conductor is connected with the underground cable. Through the above-mentioned independent platform type cable terminal station, the operating space of the operator is ensured as much as possible, the problems of high construction difficulty, difficult maintenance and safety in the original cable tower mode are changed, the operation and maintenance difficulty is reduced, the operation and maintenance efficiency is improved, and the effect of facilitating operation and maintenance is achieved.

[0007] Preferably, the connecting conductor comprises a first conductor and a second conductor, one end of the first conductor is connected with the underground cable, the other end of the first conductor is installed on the support through a strain insulator, two ends of the second conductor are installed on the support and the overhead line tower through strain insulators respectively, the first conductor and the second conductor are electrically connected with a first jumper, and the second conductor and the overhead cable are electrically connected with a second jumper.

[0008] Preferably, the first wire and the underground cable are connected through the outdoor cable terminal head.

[0009] Preferably, the first wire and the outdoor cable terminal head are connected through the copper-aluminum overrunning device clamp.

[0010] Preferably, the underground cable is sleeved with a cable protection sleeve, and the cable protection sleeve is provided with a cable protection sleeve fixing clamp.

[0011] Preferably, the cable platform is provided with a lightning arrester.

[0012] Preferably, the support is provided with a cross arm type insulator.

[0013] Preferably, the outdoor cable terminal head is provided with a grounding cable, and the grounding cable is provided with a cable grounding box at the end.

[0014] The utility model has the advantages that:

[0015] 1. The independent platform type cable terminal station is used, the operation space of the operator is ensured as much as possible, the problems of large construction difficulty, difficult maintenance and safety in the original cable tower mode are changed, the operation and maintenance difficulty is reduced, the operation and maintenance efficiency is improved, and the operation and maintenance are facilitated.

[0016] 2. The outdoor cable terminal head is arranged, the first wire and the underground cable are connected through the outdoor cable terminal head in use, and the installation and subsequent maintenance and replacement are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a cable platform overhead structure schematic diagram of the utility model.

[0020] In the figure: 11, overhead line tower; 12, overhead line cable; 13, cable platform; 14, underground cable; 15, support; 21, first conductor; 22, second conductor; 23, first jumper; 24, second jumper; 25, tension string; 3, outdoor cable terminal; 4, copper aluminum overpass device wire clamp; 51, cable protection sleeve; 52, hoop; 6, lightning arrester; 7, cross arm type insulator; 81, grounding cable; 82, cable grounding box. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] The specific embodiments are given below.

[0023] Please refer to Figure 1 As shown in the figure, an independent platform type cable terminal station comprises an overhead line tower 11, a plurality of overhead line cables 12 installed on the overhead line tower 11 and a plurality of underground cables 14; further comprising a cable platform 13 and a support 15, the cable platform 13 is located on the side of the overhead line tower 11, the end of the underground cable 14 is installed on the cable platform 13, the support 15 is fixedly connected to the top of the cable platform 13, the overhead line cable 12 is connected with a connecting conductor, the connecting conductor is installed on the support 15, and the end of the connecting conductor is connected with the underground cable 14;

[0024] In use, the above-mentioned independent platform type cable terminal station changes the problems of great construction difficulty, difficult maintenance and safety in the original cable tower mode under the premise of meeting the operation personnel's working space as much as possible, so as to reduce the operation and maintenance difficulty, improve the operation and maintenance efficiency and facilitate the operation and maintenance.

[0025] Further, the connecting conductor comprises a first conductor 21 and a second conductor 22, one end of the first conductor 21 is connected with the underground cable 14, the other end is installed on the support 15 through the tension string 25, both ends of the second conductor 22 are installed on the support 15 and the overhead line tower 11 through the tension string 25 respectively, the first jumper 23 is electrically connected between the first conductor 21 and the second conductor 22, and the second jumper 24 is electrically connected between the second conductor 22 and the overhead line cable 12;

[0026] In use, by virtue of the above arrangement, the first conductor 21 and the second conductor 22 are both fixedly installed through the tension string 25, and are connected with each other through the first jumper 23 and the second jumper 24, the conductor is tensioned so as to bear the specified mechanical load and electrical load, and the stability and safety of the power transmission line in the operation process are ensured.

[0027] Further, the first conductor 21 and the underground cable 14 are installed with the outdoor cable terminal head 3; in use, the first conductor 21 and the underground cable 14 are connected through the outdoor cable terminal head 3, and installation and subsequent maintenance and replacement can be conveniently carried out.

[0028] Further, the support 15 is installed with the cross arm type insulator 7.

[0029] Further, the outdoor cable terminal head 3 is installed with the grounding cable 81, and the end of the grounding cable 81 is installed with the cable grounding box 82; in use, the outdoor cable terminal head 3 is grounded through the grounding cable 81 and the cable grounding box 82, so as to improve the safety during work.

[0030] Further, as shown in the Figures 1-2 first conductor 21 and the outdoor cable terminal head 3 are installed with the copper-aluminum transition device clamp 4; the underground cable 14 is sleeved with the cable protection sleeve 51, and the cable protection sleeve 51 is installed with the clamp 52 for fixing the cable protection sleeve 51; the cable platform 13 is installed with the lightning arrester 6; in use when the copper wire and the aluminum wire are connected, the copper-aluminum transition device clamp 4 can solve the galvanic corrosion generated when the copper and the aluminum are directly connected, the cable protection sleeve 51 can play a role in protecting the underground cable 14, and the lightning arrester 6 is used to play a role in lightning protection in daily use, and the lightning arrester 6 is a zinc oxide lightning arrester 6.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The basic principles, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only illustrative of the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An independent platform-type cable terminal station, comprising an overhead line tower (11), a plurality of overhead cables (12) mounted on the overhead line tower (11), and a plurality of underground cables (14); characterized in that: The invention also includes a cable platform (13) and a bracket (15), wherein the cable platform (13) is located on the side of the overhead line tower (11), the end of the underground cable (14) is installed on the cable platform (13), and the bracket (15) is fixed to the top of the cable platform (13). The overhead cable (12) is connected with a connecting wire, which is installed on the bracket (15), and the end of the connecting wire is connected to the underground cable (14).

2. The independent platform-type cable terminal station according to claim 1, characterized in that: The connecting conductor comprises a first conductor (21) and a second conductor (22), one end of the first conductor (21) is connected to the underground cable (14), and the other end is installed on the bracket (15) through a tension string (25), and both ends of the second conductor (22) are respectively installed on the bracket (15) and the overhead line tower (11) through the tension string (25), a first jumper (23) is electrically connected between the first conductor (21) and the second conductor (22), and a second jumper (24) is electrically connected between the second conductor (22) and the overhead cable (12).

3. The independent platform-type cable terminal station according to claim 2, characterized in that: An outdoor cable terminal (3) is installed between the first conductor (21) and the underground cable (14).

4. The independent platform-type cable terminal station according to claim 3, characterized in that: A copper-aluminum transition device clamp (4) is installed between the first conductor (21) and the outdoor cable terminal head (3).

5. The independent platform-type cable terminal station according to claim 1, characterized in that: The underground cable (14) is provided with a cable protection sleeve (51), and a clamp (52) for fixing the cable protection sleeve (51) is installed on the cable protection sleeve (51).

6. The independent platform-type cable terminal station according to claim 1, characterized in that: A lightning arrester (6) is installed on the cable platform (13).

7. The independent platform-type cable terminal station according to claim 1, characterized in that: A cross-arm insulator (7) is installed on the bracket (15).

8. The independent platform-type cable terminal station according to claim 3, characterized in that: A grounding cable (81) is installed on the outdoor cable terminal head (3), and a cable grounding box (82) is installed at the end of the grounding cable (81).

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