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One-way chain transmission multi-stage sleeve type folding and unfolding mechanism

A sleeve-type and chain-driven technology, which is used in motor vehicles, space navigation equipment, space navigation aircraft, etc., can solve the problems of limited use of process space, large space occupied, complex structure, etc., so as to achieve full utilization of process space, The effect of small space occupation and large exhibition-to-retract ratio

Inactive Publication Date: 2018-08-21
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the multi-choice truss structure of the unfolding and retracting mechanism in the prior art, which has problems such as limited expansion, large space occupied by the mechanism when retracted, large outline, large mass, complex structure, and limited utilization of process space under the same circumstances. Provide a one-way chain drive multi-stage sleeve-type retractable mechanism with the characteristics of large retractable ratio, convenient expansion, small space occupied when the mechanism is retracted, small outline, simple structure, small quality, and full utilization of process space.

Method used

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  • One-way chain transmission multi-stage sleeve type folding and unfolding mechanism
  • One-way chain transmission multi-stage sleeve type folding and unfolding mechanism
  • One-way chain transmission multi-stage sleeve type folding and unfolding mechanism

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specific Embodiment approach 1

[0021] Specific implementation mode one, see figure 1 with image 3 Describe this embodiment, where, ω 1 , ω 2 and ω 3 Indicates the angular velocity, and v indicates the linear velocity. A one-way chain drive multi-stage sleeve-type outer drive retracting mechanism described in this embodiment includes two winding sprockets 1, two sprockets 2, two sets of support wheels 3, two sets of one-way chains and a multi-stage In the sleeve module, the two sprocket 1, sprocket 2, support wheel 3, and one-way chains are arranged oppositely and driven synchronously, and the sprocket 1, sprocket 2, and multi-stage sleeve modules are synchronously driven through the one-way chain , the support wheel 3 is under the sprocket 2, and is used to support the one-way chain; the multi-stage sleeve module is formed by nesting n hollow sleeves, wherein n≥2, the multi-stage sleeve module The slopes of the inner wall and the outer wall at the junction of the end faces of adjacent sleeves are diff...

specific Embodiment approach 2

[0035] Specific implementation mode two, see figure 2 with image 3 Describe this embodiment, where, ω 1 , ω 2 and ω 3 Indicates the angular velocity, and v indicates the linear velocity. A one-way chain drive multi-stage sleeve-type internal drive retracting mechanism described in this embodiment includes two winding sprockets 1, two sprockets 2, two sets of one-way chains and a multi-stage sleeve module, two The sprocket 1, the sprocket 2, and the one-way chain are relatively arranged and driven synchronously. The sprocket 1, the sprocket 2, and the multi-stage sleeve module are synchronously driven by the one-way chain, and the sprockets 2 are opposite to each other. Play a supporting role and clamp the one-way chain; the multi-stage sleeve module is formed by nesting n hollow sleeves, where n≥2, the inner wall of the joint of the end faces of the adjacent sleeves of the multi-stage sleeve module Unlike the slope of the outer wall, the one-way chain is located inside ...

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Abstract

The invention provides a one-way chain transmission multi-stage sleeve type folding and unfolding mechanism. The folding and unfolding mechanism comprises an internal driving type folding and unfolding mechanism and an external driving type folding and unfolding mechanism, wherein a rolling chain wheel, a chain wheel and a multi-stage sleeve module of the external driving type folding and unfolding mechanism are in synchronous transmission by a one-way chain; a supporting wheel is arranged below the chain wheel and is used for supporting the one-way chain; the multi-stage sleeve module is obtained by nesting of n hollow sleeves, and n is greater than or equal to 2; and the one-way chain is arranged on the outside of the multi-stage sleeve module. The one-way chain of the internal driving type folding and unfolding mechanism is arranged in the multi-stage sleeve module, and is not independently provided with a supporting wheel. The problem that an existing folding and unfolding mechanism is limited in unfolding, occupies large space when retracted, and is large in outline, large in weight, complicated in structure and limited in process space utilization is solved. Suitable lengths,cross section shapes and driving modes can be designed according to actual demands. The one-way chain transmission multi-stage sleeve type folding and unfolding mechanism has the advantages of largefolding and unfolding ratio, convenience in unfolding, small occupied space when the mechanism is retracted, small outline, simple structure, small weight and full process space utilization.

Description

technical field [0001] The invention belongs to the technical field of mechanical engineering, and in particular relates to a multi-stage sleeve type unfolding and retracting mechanism. Background technique [0002] With the development of my country's aerospace industry, the domestic demand for aerospace exhibition and collection agencies will gradually open up. At present, truss structures are mostly used for aerospace exhibition and retraction mechanisms, but there are obviously many shortcomings, such as limited expansion, large space occupied by the mechanism when retracted, large outline, large mass, complex structure, and limited use of process space under the same circumstances. And other issues. Contents of the invention [0003] The purpose of the present invention is to solve the multi-choice truss structure of the unfolding and retracting mechanism in the prior art, which has problems such as limited expansion, large space occupied by the mechanism when retrac...

Claims

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Application Information

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IPC IPC(8): B64G1/22
CPCB64G1/222
Inventor 陈明李鹏张伟伟陈化智马超姜生元时菌
Owner HARBIN INST OF TECH
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