Aerial work platform and lifting cylinder group thereof
A kind of high-altitude work platform, work platform technology, applied in the direction of lifting frame, lifting device, etc., can solve the problems of troublesome installation and maintenance, not perfect stability, etc., and achieve the effect of increased stability, reasonable weight displacement and good stability
Inactive Publication Date: 2017-06-13
河南江河特种车辆科技有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide an aerial work platform to solve the problem that the stability of the aerial work platform in the prior art is not perfect during the lifting process, and this structure is troublesome in installation and maintenance. At the same time, the present invention The purpose is also to provide the lifting cylinder group of the aerial work platform
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[0021] An embodiment of an aerial work platform, in figure 1 , figure 2 with image 3Among them, including a base 1, the base 1 is a square base, the four corners of the bottom of the base 1 are rotated and equipped with moving rollers 2, and the base 1 is provided with a fixed structure for braking the rollers 2. A working platform 3 is arranged directly above the base 1, and a sleeve lifting mechanism 4 is arranged between the working platform 3 and the base 1. The sleeve lifting mechanism 4 has four sleeves, wherein the first sleeve The lower end of 5 is fixed on the base 1, and the outer sliding sleeve of the first sleeve 5 is provided with a second sleeve 6, and the second sleeve 6 and the first sleeve 5 are moved up and prevented from coming off, and there is an anti-break between the two. Detachment structure, a third sleeve 7 is sheathed on the outside of the second sleeve 6, and the third sleeve and the second sleeve 5 are moved up to prevent detachment, and a four...
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The invention discloses an aerial work platform and a lifting cylinder group thereof. A work platform is arranged above a base of the aerial work platform, a sleeve lifting mechanism is arranged between the base and the work platform and comprises a first sleeve, a second sleeve, a third sleeve and a fourth sleeve, the lower end of the first sleeve is fixed onto the base, the upper end of the fourth sleeve is fixed to the work platform, the lifting cylinder group is arranged inside the first sleeve and comprises a third cylinder, a second cylinder and a first cylinder which sequentially act, the upper end of a cylinder body of the first cylinder is fixed to the upper end of the second sleeve, a piston rod of the first cylinder is fixed to the lower portion of the first sleeve, the upper end of a cylinder body of the second cylinder is fixed to the upper portion of the third sleeve, a piston rod of the second cylinder is fixed to the lower end of the cylinder body of the first cylinder, the lower end of a cylinder body of the third cylinder is fixed to the lower end of the cylinder body of the second cylinder, and a piston rod of the third cylinder is fixed to the upper end of the fourth sleeve.
Description
technical field [0001] The invention relates to an aerial work platform, which belongs to a mobile aerial work product, and also relates to a lifting cylinder group of the aerial work platform. Background technique [0002] The telescopic aerial work platform belongs to the mast series, which is mainly used in factories, hotels, hotels, etc., and its stability is particularly important. The structure of the lifting mechanism of the existing telescopic aerial work platform is: Set up a single plunger lifting cylinder group, the upper end of the cylinder drives a chain, the lower end of the chain is fixed with the second section sleeve, the second section and the third section, the third section and the fourth section are all connected by chains, when the lifting cylinder When the group rises, the second sleeve rises through the chain, the second sleeve rises through the chain to drive the third sleeve, the third sleeve rises through the chain to drive the fourth sleeve, and v...
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IPC IPC(8): B66F7/08
CPCB66F7/08
Inventor 朱建学张学义郭爱华韩利
Owner 河南江河特种车辆科技有限公司