Hoist for elevator device and hoist updating method

Abstract

The invention provides a hoist for an elevator device. The hoist for an elevator device can reduce the setting space and can ensure excellent driving performance and energy efficiency. The hoist (12a) for an elevator device comprises a car (2), a balance weight (3) and a main cable (4) which connects the car (2) with the balance weight (3). The main cable (4) comprises a noose wheel (13a) for winding the main cable (4), a gearless driven motor (15a) which is used for rotation driving of the noose wheel (13a), a cable wheel shaft (14a) which can also be used as motor shaft and transmits the driving force of the gearless driven motor (15a) to the noose wheel (13a), and a dual brake (16a) which can brake the gearless driven motor (15a).

Description

Technical field [0001] The present invention relates to a hoisting machine of an elevator device including a rope sheave for winding a main rope and a motor for rotationally driving the rope sheave, and a method for renewing a hoisting machine for updating an existing hoisting machine to a newly installed hoisting machine. Background technique [0002] Patent Document 1 discloses a technique: when the elevator installation is renewed (reconstructed), the existing hoist is used directly without replacing heavy goods, so that the suspension of the elevator installation caused by the renovation can be shortened. use time. The above-mentioned control update is preset to update the existing hoisting machine installed in the machine room of the elevator apparatus to a situation capable of coping with a new control method. [0003] Prior art literature [0004] Patent literature [0005] Patent Document 1 Japanese Patent Laid-Open No. 2004-123274 [0006] With regard to the prior art disclo...

AI Technical Summary

Problems solved by technology

[0006] With the prior art disclosed in the above-mentioned Patent Document 1, since a machine as a new power source is connected when the existing hoist is directly used, there is a problem that a large space is required for installing an extension machine when applying this technology. As a result, there are concerns that the size of the mechanical room in some buildings is not enough and it is difficult to apply

[0007] In addition, there are problems such as obstacles to the improvement of driving performance and energy efficiency due to factors such as the existing reduction gear and the newly installed connection mechanism, and the problem of increasing maintenance costs to ensure reliability.

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