forklift

A forklift and fork technology, applied in the field of handling equipment, can solve the problems of unmeasured, error, hydraulic oil loss, etc., and achieve the effect of powerful function and saving process

Active Publication Date: 2019-01-11
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Dynamic weighing usually uses dual hydraulic sensors and high-precision A / D (analog-to-digital converter) converters for real-time sampling and display, but there are many nonlinear factors in the hydraulic circuit, and hydraulic oil will be lost during use. Not completely sealed and the overflow valve will automatically open after exceeding a certain pressure, these factors may bring some interference and error to the weighing of the fork, and even the situation that cannot be measured

Method used

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Embodiment Construction

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0021] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself...

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PUM

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Abstract

The invention discloses a fork truck comprising a fork, a driving device and a weighing device. The driving device drives the fork to elevate; at least part of the weighing device is arranged on the fork to support cargo; the weighing device can weighs the cargo when supporting the same; the weighing device is formed by a pressure sensor, elastic members and a processor; the upper end surface of each elastic member at a normal state is higher than the upper end surface of the pressure sensor; when the elastic members are compressed by cargo to preset deformation amount, the elastic members have contact with the pressure sensor; and the processor can calculate weight of the cargo according to deformation amount of the elastic members, or according to the preset deformation amount and a pressure signal detected by the pressure sensor. With the weighing device mounted on the fork, cargo can be weighed when forked, so the use of other weighing devices can be avoided and extra weighing procedure, time and labor use can be saved; and extra weighing site preparation can be unnecessary, so a stronger function is achieved for the fork.

Description

technical field [0001] The present invention relates to the technical field of handling equipment, in particular, to a forklift. Background technique [0002] During the use of forklifts, it is often necessary to weigh the goods. Forklift weighing is divided into static weighing and dynamic weighing. In related technologies, static weighing is mainly carried out by weighing scales. It is necessary to transport the goods to the scales, and then transport the goods to the destination after reading the mass. This method increases the workload and reduces the work efficiency. Dynamic weighing usually uses dual hydraulic sensors and high-precision A / D (analog-to-digital converter) converters for real-time sampling and display, but there are many nonlinear factors in the hydraulic circuit, and hydraulic oil will be lost during use. Not completely sealed and the overflow valve will automatically open after exceeding a certain pressure, these factors may bring some interference and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F9/22B66F9/075
Inventor 曾石生吴勇
Owner BYD CO LTD
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