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Portal frame assembly used for forklift and forklift with same

A mast and forklift technology, applied in the field of forklift equipment, can solve the problems of reduced service life of mast, abnormal lifting noise, poor stability of free lifting cylinder, etc., and achieves the effect of easy assembly and production, simple structure and concise structure

Active Publication Date: 2015-09-23
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] It is pointed out in the related art that the stability of the free-lift cylinder of the three-stage full-free mast during lifting is poor, which leads to easy damage to the lateral rollers on the fork frame and the free-lift cylinder itself and abnormal lifting noise, which reduces the door The service life of the mast, and during the lifting process of the free lift cylinder, there will be a problem that the oil pipe in the middle of the mast will block the view, and the appearance of the entire mast will appear messy

Method used

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  • Portal frame assembly used for forklift and forklift with same
  • Portal frame assembly used for forklift and forklift with same
  • Portal frame assembly used for forklift and forklift with same

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Embodiment Construction

[0070] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0071] Reference below Figure 1-Figure 31 A mast assembly 100 for a forklift (not shown) according to an embodiment of the first aspect of the present invention is described.

[0072] According to the mast assembly 100 for a forklift according to the embodiment of the first aspect of the present invention, the mast assembly 100 may be a secondary mast assembly, and the first mast 11 may be understood as the inner door of the secondary mast assembly. The second door frame 12 can be understood as the out...

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Abstract

The invention discloses a portal frame assembly used for a forklift and the forklift with the same. The portal frame assembly used for the forklift comprises a first portal frame, a second portal frame arranged on the outer side of the first portal frame, a free lifting oil cylinder arranged on the inner side of the first portal frame, a free lifting chain wheel arranged on the top of the free lifting oil cylinder, a free lifting chain wound around the free lifting chain wheel, an installation piece and an oil pipe, wherein the free lifting chain wheel is driven by the free lifting oil cylinder to vertically move relative to the first portal frame; the installation piece is arranged on the side, away from the free lifting chain wheel, of the free lifting chain; the oil pipe is wound around the installation piece. By means of the portal frame assembly used for the forklift, the oil pipe is wound around the free lifting chain, so that a large number of oil pipe clamps and oil pipe idler wheels are omitted; the structure of the portal frames is simple, compact and orderly; the view of a driver is widened. In addition, the installation piece is simple in structure and convenient to assemble and produce.

Description

Technical field [0001] The invention relates to the field of forklift equipment, in particular to a mast assembly for a forklift and a forklift having the same. Background technique [0002] It is pointed out in the related art that the stability of the free-lifting cylinder of the three-level full-free mast is poor during lifting, which causes the lateral rollers on the fork frame and the free-lifting cylinder itself to be easily damaged and abnormal lifting noise, which reduces the door The service life of the frame, and during the lifting process of the free-lifting cylinder, there will be problems in the middle part of the mast that the oil pipe blocks the view, and the appearance of the entire mast is messy. Summary of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to provide a door frame assembly for a forklift, which has a simple, compact, orderl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F9/12B66F9/20
CPCB66F9/12B66F9/22
Inventor 曾石生王秋菊阮鸿鹤余程洋
Owner BYD CO LTD
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