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Method of reeling elevator suspension cables and suspension cable reeling component

A technology for slings and elevators, which is applied in the field of winding components, can solve the problems of shifting of the parking position, difficulty in improving the reliability of elevators, and difficulty in safe operation.

Active Publication Date: 2013-11-13
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the traction force drops, for example, there will be slippage between the sling and the sheave during the operation of the elevator, so that defects such as deviation of the parking position will appear, so it will make it difficult to improve the reliability of the elevator and make it difficult to carry out safe operation

Method used

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  • Method of reeling elevator suspension cables and suspension cable reeling component
  • Method of reeling elevator suspension cables and suspension cable reeling component
  • Method of reeling elevator suspension cables and suspension cable reeling component

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0050] First refer to Figure 1 to Figure 3 A first embodiment of the present invention will be described.

[0051] figure 1 It is a vertical cross-sectional view showing a hoistway when a rope winding operation is performed using a rope winding method as an embodiment of the present invention. exist figure 1 In the method, the elevator car frame 1 is assembled near the top of the elevator passage by using the fixed scaffolding 2 arranged in the elevator passage, and the elevator car frame 1 is suspended from the guide rail 4 by the hoist crane 3 . The bottom of elevator car frame 1 is equipped with elevator car bottom pulley 5. In addition, the counterweight frame 6 is assembled at the lower part of the hoistway, and is held by the holding member 7 during assembly. The top of the counterweight frame is provided with a counterweight pulley 8 . Sheave 10 is installed on the winch machine 9. In addition, the diverting pulley 11 for a counterweight and the diverting pulley ...

no. 2 example

[0063] Figure 4 Another example of the roller covering member of the present invention is shown. The roller covering member 13 covers the part where the winding angle is 180 degrees among the rope grooves of the roller 17, and covers all the rope grooves where the rope is wound. When the hoist is installed at the lower part of the hoistway, when releasing the brake of the hoist, for safety, it is not implemented mechanically through a brake lever installed on the brake, but is implemented electrically through the control panel. However, do not release the hoist brake when winding the sling before the control panel is set or before the control panel is energized.

[0064] Thus, in the case where the brake of the winch 9 cannot be released, since the sheave cannot rotate freely, it is necessary to reduce the friction between the sling and the sheave from the first sling, in which case the The roller covering member of this embodiment can achieve good effect when used for the ...

no. 3 example

[0066] Figure 5 Still another embodiment of the roller covering member of the present invention is shown. because figure 1 The winding angle of the sling in the lower pulley of the elevator car shown is 90 degrees, so it is sufficient to set the angle of the roller covering member to 90 degrees. Also, since brackets and the like for fixing each pulley shaft are arranged around each deflection pulley and the counterweight pulley, so in order to facilitate installation and removal, two roller covering members that are used when the winding angle is 9° can be used, that is, two lengths of Replace the roller cover member used when the winding angle is 180.

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PUM

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Abstract

The invention provides a method of conveniently reeling suspension cables in an elevator applying resins on the suspension cables and a suspension cable reeling component. After a roller covering component (13) composed of materials with a lower friction coefficient than that of a suspension cable groove where those contacting the resin-applied suspension cables (14) are equipped, such as rope pulleys (10) and pulleys (5,11,12), etc. is installed, the suspension cable reeling operation is performed. After the operation is finished, the roller covering component (13) is dismounted. In this way, the resin-applied suspension cables (14) can be reeled in a low-friction condition. Meanwhile, a resin-applied suspension cable (14) structure suitable for reeling suspension cables is proposed.

Description

technical field [0001] The present invention relates to an elevator sling winding method and a sling winding member, and more particularly to an elevator sling winding method using a resin-coated sling and a winding member used for sling winding. Background technique [0002] The main form of elevator is a traction elevator using a wire rope sling, which is constructed to wind the sling to a sheave mounted on a hoist, and to suspend the elevator car on one side centered on the sheave. The elevator car is suspended on the opposite side to maintain balance with the elevator car. [0003] The elevator adopting the so-called 2:1 sling winding method is constructed such that pulleys are set on the upper part of the elevator car or the lower part of the elevator car, and the sling is wound on these pulleys to lift the elevator car by the sling. up or up. At this time, since the sling is fixed on the wall of the hoistway, in addition to the sheave installed on the hoist, a pulley...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B7/06
Inventor 前田太一早野富夫
Owner HITACHI LTD