Mobile hoistable platform and labor-saving apparatus

A lifting platform, mobile technology, applied in the direction of lifting device, etc., to achieve the effect of reasonable force, good stability and simple operation

Inactive Publication Date: 2009-04-08
白天海
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] The inventor's Chinese patent announcement number: CN1544306A, announcement date: November 10, 2004, the name of the invention is: manual mobile lifting platform, using a platform lifting device with a new structure, changing the direction of force transmission, The scissor rod only bears axial pressure, and the force is evenly distributed. Compared with the existing mobile lifting platform technology, the structure is more reasonable, the stability and safety are better, the weight is reduced, and the use is labor-saving. No similar technology has been found

Method used

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Embodiment Construction

[0031] Referring to the accompanying drawings, the present invention will be further described corresponding to the order of the claims. In FIG. 3 , the bottom rods 23 of a pair of folding rod-type labor-saving devices installed on the chassis 9 are respectively movably connected to the corresponding middle folding rods 15, The pair of middle folding rods 15 are respectively movably connected to the corresponding upper folding rods 12, the tops of the pair of upper folding rods 12 are equipped with pulleys 37 respectively, and the lower back sides of a pair of middle folding rods 15 are each equipped with pull rods 19, The backside bottom of a pair of upper folding rods 12 is respectively installed and pulled up rod 39, and above-mentioned pair of pulling up rope 19,39 connects corresponding n-shaped connecting plate 48 respectively, and a pair of n-shaped connecting plate 48 outside both sides boss inserts respectively In the grooves on both sides of the corresponding support ...

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Abstract

The invention discloses a mobile lifting platform labor-saving device, which consists of a chassis, a platform, a shearing fork rod, a pulley, a wire rope, and a wire rope loop cylinder, and is characterized in that the chassis of a vehicle is provided with the labor-saving device; when the mobile lifting platform is lifted initially, the labor-saving device is lifted firstly, and lifts the shearing fork rod through the wire rope with small force on an advantageous position, or pushes the shearing fork rod to lift through a hydraulic cylinder to increase the included angle on the ends of the shearing fork rod and reduce the stress of the shearing fork rod; and then the shearing fork rod gets rid of contacting the labor-saving device and is stressed in full load to lift. The various labor-saving devices improve the factor that the prior device is stressed adversely in initial lifting, and greatly reduce the stress of the shearing fork rod in the initial lifting. When the mobile lifting platform has the same load as the prior mobile lifting platform, the stress applied on the shearing fork rod in the initial lifting is about one fifteenth of that of the prior platform in the initial lifting, and the self weight of equipment can be reduced more then twice; and the labor-saving device has the advantages of simple operation and time conservation.

Description

technical field [0001] The invention relates to a mobile lifting platform and a labor-saving device for high-altitude operations. Background technique [0002] The inventor's Chinese patent announcement number: CN1544306A, announcement date: November 10, 2004, the name of the invention is: manual mobile lifting platform, using a platform lifting device with a new structure, changing the direction of force transmission, The scissor rod only bears axial pressure, and the force is evenly distributed. Compared with the existing mobile lifting platform technology, the structure has reasonable force, better stability and safety, lighter weight, and labor-saving use. No similar technology has been found. Contents of the invention [0003] The purpose of the present invention is to improve the unfavorable factors that the end of the scissor rod receives a large force due to the small angle when the mobile lifting platform is initially lifted, so that the force of the scissor rod m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66F11/04
Inventor 白天海
Owner 白天海
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