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elevator

An elevator and elevator car technology, applied in the elevator field, can solve problems such as counterweight collision, and achieve the effects of reducing shaking, realizing miniaturization, and convenient installation and operation.

Active Publication Date: 2016-07-06
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, when the sway of the power supply cable increases due to the resonance phenomenon, the power supply cable and a protruding object in the hoistway (such as a position detection plate installed on the guide rail to detect the position of the elevator car) will occur. Unfavorable phenomena such as hooking or collision with the balance weight

Method used

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no. 1 example

[0042] Below, refer to figure 2 and image 3 A first embodiment of the present invention will be described. In this embodiment, a vibration damping mechanism that shortens the natural period of the power supply cable 4 to be shorter than the natural period of a high-rise building is shown. Specifically, it shows that in the state where the elevator car 2 is located on the floor of the high-rise area, the part of the reinforced power supply cable 4 that is close to the wall surface of the hoistway 12 to the bent back portion of the power supply cable 4 is shown. The rigidity between, thereby effectively shortening the natural period of the structure.

[0043] exist figure 2 Shown in the case that elevator car 2 stops at the high-rise area floor (such as the highest floor) of high-rise building or the lower floor of several floors lower than this floor. In the following description, it is assumed that the elevator car 2 stops at the uppermost floor.

[0044] In general, w...

no. 2 example

[0078] Below, refer to Figure 4 and Figure 5 A second embodiment of the present invention will be described. In this embodiment, a vibration damping mechanism in which the natural period of the power supply cable 4 is extended to be longer than the natural period of a high-rise building is shown. Specifically, a structure is proposed in which, when the elevator car 2 is located on the floor of a high-rise area, a weight is fixed near the bent and bent portion of the power supply cable 4, thereby effectively extending the inherent length. cycle.

[0079] exist Figure 4 Shown in the case that elevator car 2 stops at the high-rise area floor (such as the highest floor) of high-rise building or the lower floor of several floors lower than this floor. In the following description, as in the first embodiment, it is assumed that the elevator car 2 stops at the uppermost floor.

[0080] The weight 25 for prolonging the natural period of the power supply cable 4 cannot be casua...

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Abstract

The invention provides an elevator comprising a damping mechanism with a small size and simple structure and capable of effectively suppressing power supply cable shake. The elevator is equipped with a damping mechanism that is provided with a flexible rigidity intensifying member disposed on a part of the length direction of the power supply cable so as to be used for shortening the natural period of the power supply cable to be shorter than that of a building, or a damping mechanism that is provided with a counterweight disposed on a part of the length direction of the power supply cable so as to be used for prolonging the natural period of the power supply cable to be longer than that of a building. The shake of the power supply cable can be sharply reduced by shortening the natural period of the building or prolonging the natural period of the power supply cable. Furthermore, since the damping mechanism formed by the rigidity intensifying member or the counterweight is fixed to a part of the power supply cable, miniaturization is achieved and an effect of facilitating installation is achieved.

Description

technical field [0001] The invention relates to an elevator in which a power supply cable is erected between a wall surface of an elevator passage and an elevator car, in particular to an elevator in which a vibration damping mechanism is arranged on the power supply cable. Background technique [0002] An elevator is generally configured such that an elevator car disposed in a hoistway is suspended by a main rope (traction rope), and the main rope is pulled by a hoist to move the elevator car up and down in the hoistway. Here, various electrical devices such as air conditioners and other electrical devices that require power are installed in the elevator car, such as destination floor display devices, elevator door opening and closing devices, and sensor devices such as position detectors. Therefore, a power supply cable provided with a power supply wire is stretched between the elevator car and the wall surface of the hoistway. It should be noted that communication lines ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B7/00B66B5/00
Inventor 野口直昭安部贵
Owner HITACHI LTD
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