Feed screw nut-driven transmission device of screen door for subways

A technology of screw nut and transmission device, applied in door/window fittings, transportation and packaging, and arrangement of wing sashes, etc., can solve the problems of complex structure and short life, and achieve easy implementation, low manufacturing and operating costs, and wear and tear. small effect

Inactive Publication Date: 2010-08-25
NANJING PANDA MECHATRONICS INSTR TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to design a screw nut driven subway screen door drive device with simple, compact structure, reliability and low maintenance cost in view of the problems of short service life and complex structure of the existing belt-driven subway screen door drive device

Method used

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  • Feed screw nut-driven transmission device of screen door for subways
  • Feed screw nut-driven transmission device of screen door for subways
  • Feed screw nut-driven transmission device of screen door for subways

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] As shown in Figure 3 and 4.

[0022] A screw nut driven subway screen door transmission device, which includes a motor 1, a left screw nut 3, a left screw screw 5, a screw coupling 8, a right screw screw 10 and a right screw nut 12, a motor 1 (DC brushless motor can be used) the output shaft is connected to one end of left-handed screw 5 or right-handed screw 10 through coupling 2, and left-handed screw 5 and right-handed screw 10 are connected and synchronized through screw coupling 8 Rotation; the two ends of the left-handed screw 5 are respectively supported on the left bearing seat 3 of the left-handed screw and the right bearing 7 of the left-handed screw, and the two ends of the right-handed screw 10 are respectively supported on the left bearing seat 9 and the right-handed screw of the right-handed screw. On the right bearing seat 13 of t...

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PUM

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Abstract

The invention relates to a feed screw nut-driven transmission device of a screen door for subways. The invention is characterized by comprising a motor (1), a left feed screw nut (3), a levorotatory screw rod (5), a screw rod coupler (8), a dextrorotatory screw rod (10) and a right feed screw nut (12), wherein the output shaft of the motor (1) is connected with one end of the levorotatory screw rod (5) or the dextrorotatory screw rod (10), the levorotatory screw rod (5) and the dextrorotatory screw rod (10) are connected by the screw rod coupler (8) to synchronously rotate, the left feed screw nut (3) is screwed in the levorotatory screw rod (5), a left moving door (6) is connected with the left feed screw nut (3), the right feed screw nut (12) is screwed in the dextrorotatory screw rod (10), a right moving door (11) is connected with the right feed screw nut (12), the left feed screw nut (3) and the right feed screw nut (12) are both connected with one end of the respective locking crank (2-2), and the other end of each of the locking cranks (2-2) is movably inserted in a guide groove (2-1). The invention has the advantages of simple structure, long service life and low cost.

Description

technical field [0001] The invention relates to a subway equipment, in particular to a driving device for a safety screen door used on a subway platform, in particular to a screw nut driven transmission device for a subway screen door. Background technique [0002] At present, urbanization is becoming an important trend in the development of the world today. Under the background of the accelerated urbanization process, the urban rail transit system came into being. Its main characteristics are large carrying capacity and fast transportation speed, and it is suitable for the main line transportation from the city center to the suburbs and various traffic sub-systems in the urban area. Central circulation transport. [0003] In the modern people-oriented society, the requirements for passenger safety, station environment, energy saving, etc. make the screen door system more and more widely used in the subway. The screen door system is a subway equipment system produced in re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B3/46E06B5/10E05F15/14B61B1/02E05F15/652
Inventor 郭庆吴飞陈兆力
Owner NANJING PANDA MECHATRONICS INSTR TECH
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