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Jack overload warning device

A technology of alarm device and jack, applied in the direction of hoisting device, lifting equipment safety device, etc., can solve the problems of product overload, no overload safety protection device, safety hazard, etc., and achieve the effect of preventing overload damage.

Inactive Publication Date: 2017-05-31
CHANGSHU TONGRUN AUTO ACCESSORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the existing traditional hydraulic jack lifting system does not have any overload safety protection device, and the set pressure of the jack is in a blind area when it is working, which will lead to direct overloading of the product, resulting in damage or loss of control of the jack, posing a safety hazard
For some jacks used for heavy equipment, such as aviation hydraulic jacks, if the overload safety protection cannot be realized, it will often bring immeasurable losses

Method used

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or t...

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Abstract

The invention discloses a jack overload warning device which comprises a base. An oil inlet is formed in the base, and the jack overload warning device further comprises a pressure regulating valve, a warning device and a trigger. A first mounting hole and an oil outlet channel are formed in the base, and the oil outlet channel is communicated with the oil inlet and the first mounting hole. The pressure regulating valve is arranged in the first mounting hole in a sliding mode. When a jack is overloaded, the oil pressure of hydraulic oil in the oil inlet is increased, so that the pressure regulating valve moves along the first mounting hole; the hydraulic oil enters the oil outlet channel to collide with the trigger, and the trigger contacts with the warning device, so that the warning device is conducted to give an alarm so as to remind an operator, and the jack is prevented from overload damage.

Description

technical field [0001] The invention relates to a jack, in particular to a jack overload alarm device. Background technique [0002] At present, the existing traditional hydraulic jack lifting system does not have any overload safety protection device, and the set pressure of the jack is in the blind zone when it is working, which will lead to direct overloading of the product, resulting in damage to the jack or loss of control, posing a safety hazard. For some jacks used for heavy equipment, such as aviation hydraulic jacks, if the overload safety protection cannot be realized, it will often cause immeasurable losses. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a jack overload alarm device. [0004] The object of the present invention adopts following technical scheme to realize: [0005] A jack overload alarm device, comprising a base, the base is provided with an oil inle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F17/00
CPCB66F17/00
Inventor 王晓阳黄超
Owner CHANGSHU TONGRUN AUTO ACCESSORY