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Forklift and forklift protection system thereof

A technology for protection systems and forklifts, applied in the direction of hoisting equipment safety devices, lifting devices, etc., can solve problems such as safety accidents and height value reduction, and achieve the effects of improving safety and solving information feedback errors

Active Publication Date: 2020-11-20
HANGCHA GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The inventor found in practice that if the pull rope of the pull rope encoder is disconnected, the height value fed back by the pull rope encoder will decrease sharply at this time, causing the AGV controller to think that the current height of the fork is too low, and the fork lift operation is required , leading to safety accidents

Method used

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  • Forklift and forklift protection system thereof
  • Forklift and forklift protection system thereof

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0024] Please refer to figure 1 , The forklift protection system provided by the present application includes a fork 3, a first sensor 1, a second sensor 2 and a controller.

[0025] The first sensor 1 is electrically connected to the controller. At the same time, the first sensor 1 is connected to the fork 3. The first sensor 1 is used to detect the lifting height of the fork 3 and send the first height information to the controller.

[0026] There are many choices for the type of...

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Abstract

The invention discloses a forklift and a forklift protection system thereof. The forklift protection system comprises a fork, a first sensor, a second sensor and a controller, wherein the first sensorand the second sensor are electrically connected with the controller; the first sensor is connected with the fork and is used for detecting the lifting height of the fork and sending first height information to the controller; the second sensor is used for detecting the lifting height of the fork and sending second height information to the controller; and the controller is used for generating afault instruction when a lifting height difference corresponding to the first height information and the second height information exceeds a preset value so as to control the forklift to stop. According to the technical scheme, the problem of feedback errors caused by damage of a digging rope encoder when a fork AGV fork is lifted is solved, and the safety of the forklift is improved.

Description

technical field [0001] The present application relates to the technical field of forklifts, and more specifically, relates to a forklift protection system. In addition, the present application also relates to a forklift comprising the above-mentioned forklift protection system. Background technique [0002] As the application of AGV becomes more and more extensive, the requirements for AGV safety will become higher and higher; currently, in fork-type AGV, the current height of the fork is usually obtained through the height rope encoder. [0003] The inventor found in practice that if the pull rope of the pull rope encoder is disconnected, the height value fed back by the pull rope encoder will decrease sharply at this time, causing the AGV controller to think that the current height of the fork is too low, and the fork lift operation is required , leading to safety accidents. [0004] Therefore, how to provide a solution to the above technical problems is a problem that t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/075B66F17/00
CPCB66F9/0755B66F17/003
Inventor 王志杰范浙军王启龙刘彬李军胡昌浩周业超朱展超
Owner HANGCHA GRP
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