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Rope winding type elevator adopting closed-loop counterweight-free drag system

A traction system and no counterweight technology, applied in the field of elevators, can solve the problems of unsecured passenger safety, serious energy loss, and short elevator life, and achieve the effects of simple structure, improved service life, and low production cost.

Inactive Publication Date: 2016-04-27
TRINITY MOTOR TECH NANTONG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The elevator of the prior art is made up of traction system, guide system, car, door system, weight balance system, electric drive system, electric control system, safety protection system, and the elevator can slip car accident, unsafe; Weight balance system The main function of the elevator is to relatively balance the weight of the car. During the operation of the elevator, the weight difference between the car and the counterweight can be kept within the limit, so as to ensure the normal traction transmission of the elevator. The weight balance system is mainly composed of the counterweight and the weight compensation device. Composition, serious energy loss, high cost, short elevator life, and no guarantee for passenger safety

Method used

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  • Rope winding type elevator adopting closed-loop counterweight-free drag system
  • Rope winding type elevator adopting closed-loop counterweight-free drag system

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specific Embodiment approach 1

[0016] see as figure 1 As shown, the specific embodiment adopts the following technical scheme: it includes the first pulley 1, the second pulley 2, the third pulley 3, the fourth pulley 4, the steel wire rope 5, and the car 6; one end of the steel wire rope 5 hangs On the upper crossbeam, the other end of the wire rope 5 is fixed on the lower crossbeam around the second pulley 2, the first pulley 1, the third pulley 3, and the fourth pulley 4 in turn; the second pulley 2 and the upper end of the car 6 Fixed, the fourth pulley 4 is fixed to the lower end of the car 6; the first pulley 1 is fixed to the top wall, and the third pulley 3 is fixed to the ground at the bottom; the first pulley 1 is driven by a traction machine.

[0017] During the operation of this specific embodiment, the traction machine drives the first pulley 1 to rotate counterclockwise, the second pulley 2 and the fourth pulley 4 rotate clockwise, and the car 6 descends; the traction machine drives the first ...

specific Embodiment approach 2

[0018] see figure 2 As shown, the difference between this specific embodiment and the first specific embodiment is that it also includes a fifth pulley 7, a sixth pulley 8, a seventh pulley 9, and an eighth pulley 10; On the upper beam, the other end of the wire rope 5 goes around the sixth pulley 8, the fifth pulley 7, the second pulley 2, the first pulley 1, the third pulley 3, the fourth pulley 4, the seventh pulley 9, the eighth pulley The pulley 10 is fixed on the lower beam; the second pulley 2, the sixth pulley 8 are fixed to the upper end of the car 6, the fourth pulley 4, the eighth pulley 10 are fixed to the lower end of the car 6; the first pulley 1. The fifth pulley 7 is fixed to the top wall, and the third pulley 3 and the seventh pulley 9 are fixed to the ground at the bottom.

[0019] This specific embodiment is applied to elevators with large loads such as freight elevators.

[0020] Preferably, the steel wire rope is replaced by a steel belt.

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Abstract

The invention discloses a rope winding type elevator adopting a closed-loop counterweight-free drag system and relates to the technical field of elevators. The rope winding type elevator comprises a first pulley, a second pulley, a third pulley, a fourth pulley, a steel wire rope and a lift car, wherein one end of the steel wire rope is hung on an upper cross beam, and the other end of the steel wire rope sequentially passes through the second pulley, the first pulley, the third pulley and the further pulley to be fixed on a lower cross beam; the second pulley is fixed with the upper end of the lift car, and the fourth pulley is fixed with the lower end of the lift car; the first pulley is fixed with the wall surface at the top end, and the third pulley is fixed with the ground at the bottom end; and the first pulley is driven by a traction machine. The rope winding type elevator adopting a closed-loop counterweight-free drag system is comfortable and safe, can avoid the rolling accident and cannot cause the phenomena of rushing to the top and collapsing to the bottom of pit; a counterweight block is not arranged, so as to reduce energy consumption; the lift car is light, so as to save material and lower cost; and the service life of the elevator is prolonged.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to a rope-wound elevator of a closed-loop non-counterweight traction system. Background technique [0002] Elevator is a kind of vertical elevator powered by electric motor, equipped with box-shaped gondola, which is used for multi-storey buildings to take people or carry goods. There is also a step type, and the tread plate is installed on the crawler belt to run continuously, commonly known as an escalator or a moving walk. Fixed lifting equipment serving specified floors. A vertical elevator has a car running between at least two vertical or inclination angles of less than 15° rigid guide rails. The size and structure of the car are convenient for passengers to enter and exit or to load and unload goods. It is customary to use elevator as a general term for vertical transportation in buildings regardless of its driving mode. [0003] In the 1980s, the driving device was fur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66B11/02B66B7/06
CPCB66B11/02B66B7/06
Inventor 徐景华
Owner TRINITY MOTOR TECH NANTONG
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