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A cable laying traction device

A traction device and cable laying technology, applied in the direction of cable laying equipment, etc., to improve the quality of laying, avoid damage to cables, and prevent damage to cables

Active Publication Date: 2016-12-07
CHINA THIRD METALLURGICAL GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide a cable laying traction device, which can monitor the traction force in real time, and when it exceeds the set value, it will stop for protection and prevent the cable from being damaged by excessive traction force; at the same time, the active friction wheel is used to The pressure between the driven friction wheel and the driven friction wheel can be adjusted to indirectly control the output torque of the driven friction wheel. When the set traction force is exceeded, the driving and driven friction wheels will slide relative to each other to avoid damage to the cable and provide double protection for the cable. The role of the cable completely eliminates the phenomenon of excessive traction and damage to the cable; in addition, the use of a two-speed motor effectively improves the construction efficiency

Method used

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  • A cable laying traction device
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Examples

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specific Embodiment 1

[0037] Specific embodiment 1: Cable model: ZRYJV22—8.7 / 10 3×120mm 2 , this cable is a copper core cable with a cross-sectional area of ​​3×120mm 2 , if the three-phase copper core is pulled at the same time, its cross-sectional area is 360mm 2 , the maximum traction force Tmax=68Ac=68×360=24480 Newton. If two cores are pulled, Tmax=68Ac=68×240=16320 Newton. According to the above calculated value, when pulling a 3-phase copper cable whose model is ZRYJV22-8.7 / 10, first set the protection action value of the pulling force detection device 17 to 24480 Newton. Then set the maximum traction force value of the driven friction wheel 16, the maximum traction force value of the driven friction wheel 16 is slightly less than 24480 Newtons, and adjust the pressure by adjusting the wrench 12 to adjust the screw 10 so that the pointer of the sliding block 9 points at the maximum traction force of the driven friction wheel 16 at the position of the scale value. Finally, the device is p...

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Abstract

The invention provides a traction device for cable laying, which includes a drive system, a traction adjustment system, a traction system, and an electrical interlock control system. The traction adjustment system can control the pressure between the driven friction wheel and the driving friction wheel. When the traction force exceeds the set When the value is set, there will be relative slip between the active friction wheel and the driven friction wheel; the electrical interlock control system can set the maximum output traction force according to the needs, and when the traction force exceeds the set value, the interlock stop and effective braking will be realized. The cable laying traction device of the present invention can monitor the magnitude of the traction force in real time. When the value exceeds the set value, the driving and driven friction wheels will slide relative to each other and stop for protection, completely eliminating the phenomenon that the traction force is too large and damages the cable. Two-speed motor effectively improves construction efficiency. The invention effectively reduces the construction cost of the enterprise, and at the same time greatly improves the laying quality of cables.

Description

technical field [0001] The invention relates to a large cable laying device, in particular to a cable laying traction device. Background technique [0002] In the process of laying large-scale cables, due to the large cross-section of the cable, when the cable is laid by mechanical traction, due to various resistances during the movement of the cable, sometimes the mechanical traction force on the cable will suddenly increase. The traction force will damage the cable, and the traditional slow winch cannot effectively control the traction force, and the phenomenon of damage to the cable often occurs during the construction operation. At the same time, the rotating speed of the winch cannot be adjusted, so that the work efficiency is reduced. Contents of the invention [0003] In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide a cable laying traction device, which can monitor the traction force in real time, and when i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/06
Inventor 李祥福
Owner CHINA THIRD METALLURGICAL GRP
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