Multipurpose cable corner protective laying pulley block

A cable laying, multi-purpose technology, applied in the direction of cable laying equipment, etc., can solve the problem of inconsistent instructions before and after, and achieve the effect of saving manpower, strong practicability, and avoiding hidden dangers of accidents.

Inactive Publication Date: 2013-12-04
CHINA FIRST METALLURGICAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the cable is very long and the front and rear instructions are not uniform, there will be a forward or backward force on the cable at this time, which will cause unpredictable accidents to the construction personnel and the cable who are dealing with this fault point.

Method used

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  • Multipurpose cable corner protective laying pulley block
  • Multipurpose cable corner protective laying pulley block
  • Multipurpose cable corner protective laying pulley block

Examples

Experimental program
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Embodiment Construction

[0031] Below in conjunction with specific implementation, the embodiment of the present invention is further described:

[0032] Such as Figure 1 to Figure 8 The shown multi-purpose cable corner protective laying pulley block includes a keel outer frame 1 composed of four strip keels, and is firmly connected through the upper and lower keel connecting plates 8 and the inner and outer keel connecting plates 9. The keel outer frame 1 It is an L-shaped corner with chamfers at the corners. Inside the keel outer frame 1, a plurality of rollers are installed in sequence at equal distances to form a pulley block, wherein each pair of adjacent rollers is divided into transverse rollers 3 and The vertical roller 4, the horizontal roller 3 and the vertical roller 4 are arranged at an angle of 90 degrees.

[0033] In this embodiment, a keel bottom lining 2 for strengthening the strength of the keel outer frame is installed between the bottom keels of the keel outer frame 1 .

[0034] ...

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PUM

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Abstract

The invention provides a multipurpose cable corner protective laying pulley block which comprises a keel outer frame composed of four bar-shaped keels and is firmly connected through an upper keel connection plate, a lower keel connection plate, an inner keel connection plate and an outer keel connection plate. The keel outer frame is in the shape of an L-shaped corner, a chamfer is arranged at the corner, and a plurality of roller pillars are sequentially arranged in the keel outer frame at intervals to form the pulley block, wherein an included angle of 90 degrees is arranged between every pair of the adjacent roller pillars. The invention further discloses a method for laying cables with the device. The method and the device can meet the requirement for protective laying of cables at the corner of a cable horizontal channel or a cable vertical channel and can save labor and improve the working efficiency.

Description

technical field [0001] The invention relates to the technical field of cable construction, in particular to a multi-purpose cable corner protective laying pulley block that can be used at the corners of cable horizontal passages or vertical passages. Background technique [0002] During the construction of large buildings, especially large industrial buildings, it is necessary to lay a large number of large cross-section power cables to provide power for production equipment. Cable channels are usually designed in the form of underground cable tunnels, ground cable trenches, cable bridge channels, vertical cable wells, etc. However, due to factors such as many equipment points and complex building structures, cable channels usually have a large number of horizontal corners and vertical corners. Therefore, it is inevitable to encounter corners when laying cables. Because the corners are easy to damage the cable protective layer when laying cables, and because the resistance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/08
Inventor 王全胜张文忠
Owner CHINA FIRST METALLURGICAL GROUP
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