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Tensile force alarm device

An alarm device and tension technology, applied in the field of construction, can solve problems such as cost increase, safety hazards, and cables are easy to be broken, and achieve the effect of prolonging the service life and reducing the damage rate

Inactive Publication Date: 2010-07-14
许宾
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a tension alarm device, which can solve the problems in the prior art that the cables of construction machinery are easily broken, resulting in increased costs and potential safety hazards.

Method used

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Examples

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Embodiment Construction

[0124] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0125] Such as figure 1 with figure 2 As shown, a tension alarm device applied to an electric hanging basket in the construction industry includes a housing part 10, a pull rod part 20, a lever part 30, an alarm part 40, and a fixed part 50;

[0126] Such as image 3 As shown, the schematic diagram of the explosion structure of the tension alarm device;

[0127] The shell part 10 includes a cover plate 11 and a base 12 of a "[" shaped structure that is sealed and connected, and the cover plate 11 is provided with a scale 11-1, an alarm indicator light 11-2, and a work indicator light 11-3. Scale table 11-1 place has pointer limit groove 11-4.

[0128] In order to better seal the cover plate 11 and the base 12, rubber strips 12-1 are provided on the left and right sides of the base 12, and rubber strips 11-5 are provided on the up...

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Abstract

The invention provides a tensile force alarm device, which can solve the problems of cost increment and easy occurrence of potential safety hazard caused by easy breakage of cables of construction machines existing in the prior art. The tensile force alarm device is arranged on the construction machine, effectively prevents the cables from being broken, reduces cable damage rate and mechanical maintenance rate, and prolongs the service life of the cables. The invention adopts the technical following scheme that: the tensile force alarm device comprises a shell part, a pull rod part, a deflector rod part, an alarm part and a fixing part, wherein the shell part comprises cover plates and a base which are hermetically connected; the pull rod part comprises a pull rod capable of moving up and down according to external tensile force; the deflector rod part comprises a deflector rod, a compression rod and a rotary support, and the deflector rod receives the tensile force of the pull rod to drive the compression rod and the rotary support to swing; the alarm part comprises a toggle switch, an alarm circuit module and a loudspeaker which are electrically connected, and the toggle switch receives motive power of the rotary support to change state; and the fixing part comprises a drag hook and at least one lengthened screw, and the lengthened screw passes through the base.

Description

technical field [0001] The invention relates to the field of construction, in particular to a tension alarm device for preventing cables of construction machinery from being broken. Background technique [0002] Construction machinery such as construction hoists and hanging baskets for high-altitude operations use clamps or binding methods to fix the cable ends on the outside of the working platform, and then rise and fall together with the working platform. Due to objective reasons, it is difficult for the operator to observe the situation below the working platform during the upward movement of the machine, and obstacles protruding from the wall often hang and break the cables. Construction machinery is mostly used in open-air places with complex working environments. It is difficult to repair the cables after being hung up many times. The insulation performance and minimum breaking force of the cables are greatly reduced. It is easy to cause leakage and phase failure due ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08B21/18
Inventor 许宾
Owner 许宾
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