Guide rail mechanism

A technology of guide rails and racks, applied in the field of transportation rails, can solve the problems of angle deviation, hidden dangers of assisted elevator safety, and easy deviation of gear and rack meshing transmission, so as to ensure safety, improve motion stability, and mesh accurately. Effect

Inactive Publication Date: 2012-07-18
SYMAX ELEVATOR CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the guide rail generally extends along the side wall of the stairs, there is an angle of upward inclination and a turning angle. During operation, especially in places with angles, the meshing transmission between the gear and the rack is prone to deviation and derailment. There will also be deviations in the angle, which will bring safety hazards to the booster ladder

Method used

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Embodiment Construction

[0012] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0013] The rail mechanism of the present invention comprises frame 4, gear 1 and rack 2, and rack 2 is positioned at the top of a pair of rollers 3; The cooperating guide wheel 6 is coaxial with the gear 1 , and the outer peripheral surface of the guide wheel 6 is provided with a groove 7 matched with the guide rail 5 .

[0014] In actual use, the driving device drives the gear 1 to rotate, and at the same time the guide wheel 6 coaxial with the gear 1 rotates, so that the gear 1 and the rack 2 are meshed at the same time, and the guide wheel 6 runs on the guide rail 5. When the guide wheel 6 passes through the radian of the guide rail 5, it can change the angle with the gear 1 at the same time, and its meshing transmission is more accurate, which improves the transmission stability and is low in cost.

[0015] The above description is an...

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PUM

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Abstract

The invention relates to a guide rail mechanism, which comprises a frame, a gear, a rack and a guide rail, wherein the rack is positioned above a pair of rollers, and the guide rail is parallel to the rack. A guide wheel matched with the guide rail is mounted on the guide rail and is coaxial with the gear. The guide rail is separated from the rack and is parallel to the rack, and the guide wheel coaxial with the gear runs along the guide rail, so that deviation and derailment in the prior art are avoided, and the gear is more accurately engaged with the rack. As a groove matched with the guide rail is arranged on the outer circumferential surface of the guide wheel, the guide wheel can change angles while running along the guide rail, movement stability of a power assisting ladder is improved, and safety of passengers is ensured.

Description

technical field [0001] The invention relates to the field of transport rails, in particular to a guide rail mechanism. Background technique [0002] At present, commonly used booster elevators can use various transmission modes to make them run along the guide rails, and the function of the guide rails is to enable various lift chairs to run back and forth along the guide rails. The operation form of the guide rail generally adopts a rack and pinion transmission mechanism, the rack is welded on the top of the guide rail, and the rack is moved back and forth through the rotation of the gear, thereby driving the booster lift chair to run back and forth along the guide rail. Because the guide rail generally extends along the side wall of the stairs, there is an upwardly inclined angle and a turning angle. During operation, especially in places with angles, the meshing transmission between the gear and the rack is prone to deviation and derailment. There will also be deviations...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B7/02F16H19/04
Inventor 徐峰张晓燕
Owner SYMAX ELEVATOR CHINA
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