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elevator

A technology of elevators and electromagnets, applied in the field of elevators, to achieve the effect of preventing entanglement and simple and convenient operation

Active Publication Date: 2019-06-18
HITACHI BUILDING SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device is equipped with flat layer visors and the like on the inside of the support frame, and these objects still constitute protrusions where rope-like objects are entangled

Method used

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Experimental program
Comparison scheme
Effect test

no. 1 Embodiment ＞

[0021] figure 1 It is a schematic diagram schematically showing the first embodiment of the elevator of the present invention. figure 2 It is a schematic plan view schematically showing a part of the equipment in the elevator shaft of the first embodiment.

[0022] The elevator 100 includes a hoistway 102 , a car 104 , a counterweight 106 , a traction machine 108 , a speed governor 114 , a first electromagnet 124 , and a control cabinet 126 . The car 104 is connected to the counterweight 106 via a hoist rope 110 . The hoisting machine 108 pulls the car 104 up and down the hoistway 102 along the guide rail 112 through the hoisting rope 110 . The overspeed governor 114 is arranged in the machine room above the hoistway 102, and a tension pulley 118 is arranged below the hoistway. The speed governor rope 116 bypasses the speed governor 114 and the tension pulley 118, and its two ends are connected with the safety gear lifting mechanism (omitted in the figure) installed in the...

no. 2 Embodiment ＞

[0038] Figure 7 It is a schematic diagram schematically showing the second embodiment of the elevator of the present invention. This embodiment is a modified example of the first embodiment. In the present embodiment, the same symbols are attached to those components that are the same as, corresponding to, or equivalent to those of the first embodiment, and descriptions of these components will be omitted or simplified. The main difference between this embodiment and the first embodiment is that the second electromagnet is arranged on the traction rope 110 . The control cabinet 126 supplies power to the second electromagnet provided on the traction rope 110 through the wire 730 .

[0039] Figure 8 It is a schematic cross-sectional view schematically showing the structure of the elevator hoisting rope of the present invention. The traction rope 110 is mainly composed of a steel wire 802 , a rope core 804 and a coil 806 . Figure 8 The hoist rope 110 shown is an 8-strand ...

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Abstract

The invention relates to an elevator (100). The elevator comprises a shaftway (102), a lift car (104), a counter-weight (106), a plurality of guide ways (112), a traction machine (108) and a speed governor (114), wherein the lift car ascends or descends in the shaftway; the counter-weight is connected with the lift car through a traction rope (110); the guide ways (112) guide the lift car and the counter-weight; and the traction machine (108) pulls the lift car and the counter-weight through the traction rope. First electromagnets are disposed nearby protrusions (120 and 220) in the shaftway, and second electromagnets are disposed in rope-shaped objects (116 and 110) moving together along with the lift car. The first electromagnets and the second electromagnets are powered on for a certain time so as to generate electromagnetic fields and then form mutually repulsive magnetic force, and the rope-shaped objects are separated from the protrusions through the magnetic force. Accordingly, the rope-shaped objects wound and hung onto the protrusions can be separated from the protrusions or the rope-shaped objects can be prevented from being wound and hung onto the protrusions.

Description

technical field [0001] The invention relates to an elevator, which includes a shaft, a car lifted and lowered in the shaft, a traction machine for pulling the car through a traction rope, a speed governor and the like. Background technique [0002] An elevator includes a shaft and a car that moves up and down the shaft. Many protrusions are arranged in the shaft, such as leveling shading boards, various devices and instruments, and parts such as brackets for installing these devices and instruments. In addition, there are long rope-shaped objects that move with the car in the hoistway, such as traction ropes, speed governor ropes, and accompanying cables. These rope-like objects usually have some wobble. When running into earthquakes or strong winds, along with the shaking of buildings (especially high-rise buildings), the swing of these rope-like objects will increase significantly, and sometimes the swinging rope-like objects will hang on the protrusions in the hoistway....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B5/00B66B7/06
CPCB66B5/00B66B7/06
Inventor 武井健三郎渡边敦也富樫香介
Owner HITACHI BUILDING SYST CO LTD