Bridge cable protection device for municipal bridge engineering

A technology for bridge engineering and cable protection, which is applied in the protection of overcurrent and overvoltage, etc. It can solve problems affecting the normal operation of power supply lines, damage to cables, and inability to protect cables well. and other problems to achieve the effect of preventing burnout, facilitating heat dissipation, and improving heat dissipation speed

Inactive Publication Date: 2018-10-19
沈巧凤
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a bridge cable protection device for municipal bridge engineering, so as to solve the problem that the equipment in th

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  • Bridge cable protection device for municipal bridge engineering
  • Bridge cable protection device for municipal bridge engineering
  • Bridge cable protection device for municipal bridge engineering

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[0024] In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

[0025] see Figure 1-Figure 4 , The present invention provides a technical scheme of a bridge cable protection device for municipal bridge engineering: its structure includes an overload protection and manual disconnection device 1, a left opening and closing door 2, a handle 3, a right opening and closing door 4, a fixed through hole 5. Fixed bottom plate 6, cables 7, bumps 8, control panel 9, ventilation grooves 10, lifting ring ears 11, voltmeter 12, ammeter 13, the lifting ring ears 11 are welded to the overload protection and manual disconnect device 1 In the center of the upper surface, the ammeter 13 is glued to the upper left end of the front of the overload protection and manual disconnection device 1, the voltmeter 12 is at...

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Abstract

The invention discloses a bridge cable protection device for municipal bridge engineering, and the structure thereof comprises an overload protection and manual disconnection device, a left opening and closing door, handles, a right opening and closing door, fixed through holes, a fixed bottom plate, a cable line, a projection, a control panel, venting slots, a suspension ring ear, a voltmeter andan ammeter. The suspension ring ear is attached to the center of the upper surface of the overload protection and manual disconnection device, the ammeter is in glued connection with the upper left end of the front surface of the overload protection and manual disconnection device, the voltmeter is attached to the right side of the ammeter, and the voltmeter and the ammeter are on the same horizontal plane. The bridge cable protection device is provided with the overload protection and manual disconnection device, when the instantaneous value of the voltage or current passing through the cable exceeds the tolerance range of the cable, the device automatically disconnects the circuit to prevent the cable from being burned out, and when the cable line needs to be repaired, the branch of thecable line can be manually powered off, which is convenient to use.

Description

technical field [0001] The invention relates to a bridge cable protection device used in municipal bridge engineering, belonging to the field of cable protection. Background technique [0002] Cable protection is mainly divided into two categories, one is impact and rolling or high temperature from the outside, which will damage the cable, and the second is when the cable is repaired, the cable is segmented and the circuit of the cable needs to be disconnected , a protective device is needed at this time. [0003] The equipment in the prior art cannot protect the cable well when the instantaneous value of the voltage or current transmitted by the cable is too large. The voltage or current may exceed the withstand range of the cable, causing the cable to be damaged or even affecting the normal operation of the power supply line. Contents of the invention [0004] Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a bridge cable...

Claims

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Application Information

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IPC IPC(8): H02H3/08H02H3/20
CPCH02H3/08H02H3/20
Inventor 沈巧凤
Owner 沈巧凤
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