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Space scissor type telescopic mechanism

A technology of telescopic mechanism and scissors, which is applied in the field of space scissor telescopic mechanism, can solve the problems of insufficient lateral force and torsional force, etc., and achieve the effect of large telescopic range, reasonable and stable structure, and strong bearing capacity

Inactive Publication Date: 2011-08-31
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a space scissor type telescopic mechanism for the defect that the existing telescopic mechanism suffers from insufficient lateral force and torsional force. , compressive and bending resistance, stable operation and other characteristics

Method used

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  • Space scissor type telescopic mechanism
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Embodiment Construction

[0013] Referring to accompanying drawing 1, this embodiment of the present invention is made of aluminum alloy casting hinge 1. The outer diameter of the body 11 of the hinge 1 is ￠60mm, and the inner diameter of the shaft hole is ￠40mm. There are three hinge ears that are evenly distributed radially on each body 11, so claiming this example's scissors-type space three-dimensional telescopic mechanism is a regular triangular-shaped scissors-type telescopic mechanism. The fork bar 2 hinged on each hinge ear 12 is tailor-made from the aluminum alloy bar material of wide 50mm, thick 30mm, and single bar is long 100mm, altogether three bars. The hinge 1 and the fork 2 of the above-mentioned components are assembled according to the above-mentioned technical solution of the present invention with reference to the structure shown in FIG. A fork bar 2 is respectively hinged on each hinge ear 12 . Also as shown in accompanying drawing 1, each three fork rods 2 of the two hinges 1 of...

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Abstract

The invention discloses a space scissor type telescopic mechanism, which is provided with at least two hinges (1) with shaft holes, wherein at least three hinge lugs (12) are radially distributed uniformly on a body (11) of each hinge (1); each hinge lug (12) is respectively hinged with at least one fork lever (2); and the fork levers (2) of the two hinges (1) are respectively crosswise hinged sequentially in pairs through pin shafts (3). In the invention, expansion and contraction of the mechanism can be realized through the rotation of the fork levers (2) or the movement of the hinges (1), the conditions of expansion and contraction are good, and no interference problems exist; the whole mechanism has slight shake in the processes of expansion and contraction and is safe and reliable; and the mechanism has stronger bearing capacity for force in different directions in the space. The mechanism can be superposed in series in multiple units, thus the mechanism has the characteristics of large telescopic amplitude, reasonable and stable structure and smooth and reliable operation.

Description

technical field [0001] The invention relates to a space mechanical device, in particular to a space scissor type telescopic mechanism. Background technique [0002] Most of the existing scissor-type telescopic mechanisms are in the form of planar structures, and it is more common to use a single set of planar scissors as a telescopic lifting mechanism. For example, the Chinese patent literature (patent application number: 200620025934.1) and the Chinese patent literature (patent application number: 200710176158.4) of the name "balanced lifting platform" are all Two sets of scissor mechanisms are used at the same time, but the two sets of scissor surfaces are in the same plane or in two parallel planes. During the expansion and contraction process of the mechanism, there is no interaction between the scissors, but the multiplied scissors are simply used to increase the carrying capacity. And after this multiple groups of scissor rows are combined in parallel, because there ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16M11/32F16M11/38B66F7/28
Inventor 潘存云冯庆涛郭凯张湘
Owner NAT UNIV OF DEFENSE TECH