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Large-section cable clamp

A large cross-section, cable technology, applied in cable installation, cable installation in tunnels, pipe supports, etc., can solve the problem of poor strength and corrosion resistance, unsuitable, high voltage, large cross-section cables without comparative system and perfection Methods and other issues, to achieve the effect of high space utilization, heavy weight, and large carrying capacity

Inactive Publication Date: 2012-07-04
SHANGHAI MUNICIPAL ELECTRIC POWER CO +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In terms of the use of cable clamps, in the past, cable ties, plastic clamps, traditional iron clamps or ordinary aluminum alloy clamps were mostly used in cable laying, which could not effectively restrain the cables. The influence of electrodynamic force has not been well resolved; and the strength and corrosion resistance of these materials are relati

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A clamp for large cross-section cables is used to clamp and fix large cross-section cables. Its structure is as follows: figure 1 As shown, the fixture includes an upper clamp body 1 and a lower clamp body 2. The upper clamp body 1 is an arch bridge-shaped structure, and an arc-shaped groove is provided in the middle. Threads can also be provided in the groove. The lower clamp body 2 and the upper clamp body 1 It is a mirror-image symmetrical structure, and the middle part is also provided with an arc-shaped groove. The bottom of the lower clamp body 2 is also provided with a connecting platform, and the connecting platform is fixed by screws at both ends, thereby fixing the entire clamp. Corresponding positions on both sides of the upper clamping body 1 and the lower clamping body 2 are provided with screw holes, and the upper clamping body 1 and the lower clamping body 2 are fixedly connected by connecting bolts 3 .

[0019] When in use, first remove the connecting sc...

Embodiment 2

[0021] A clamp for large cross-section cables, used to clamp and fix large cross-section cables, the groove of the lower clamp body of the clamp is a two-section arc-shaped structure, and the rest of the structure is the same as that of Embodiment 1, and the clamp can conveniently clamp large cross-section cables. Sectional cable.

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Abstract

The invention relates to a large-section cable clamp, which comprises an upper clamp part and a lower clamp part. The upper clamp part and the lower clamp part are provided with corresponding bolt holes and fixedly connected with each other through connecting bolts. Compared with the prior art, the large-section cable clamp has high space utilization rate for tunnel sections, meets cable laying requirements of different applications, is applicable to cable supporting and cable protection for long ways, work wells, climb segments, cable connectors, accesses and the like, is suitable for clamping large-section cables with large section, high current carrying capacity, heavy weight and bending resistance, and is of guiding significance for use of clamps in cable works.

Description

technical field [0001] The invention relates to a cable clamping device, in particular to a clamp for large-section cables. Background technique [0002] With the continuous expansion and renewal of the power grid, in order to meet the needs of the development of the power system, the voltage level of the urban network transmission line is continuously improved, and the cross-section of the cable is also continuously increased. Since the tunnel does not occupy the ground space and can be constructed in advance, it is ready for the future cable laying facilities, solves the problem of road damage during multiple constructions, and is conducive to the improvement of city appearance and environment. The design and application of power cable tunnels are increasing day by day. [0003] Due to the high voltage and large cross-section cable transmission capacity requirements, the heat dissipation requirements around the cable are relatively high. The original laying methods such as...

Claims

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Application Information

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IPC IPC(8): H02G9/08F16L3/10
Inventor 胡万荣张中言吴正松张永隆苏建军顾撼宇俞来意吴刚陈伟达孙家麟
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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