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Thin type hoister for elevator and elevator device

A hoist and elevator technology, applied in the hoist field, can solve problems such as increasing the width of the hoist, and achieve the effect of increasing the degree of freedom and reducing the width

Active Publication Date: 2011-09-28
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, in the thin hoisting machine that brakes the outer peripheral surface of the brake drum, as disclosed in the above-mentioned Patent Document 1 and Patent Document 2, the brake pads (brake shoes) etc. as a part of the electromagnetic brake have to be It is installed on the left and right parts of the shell part of the hoist, so it can only increase the overall width of the hoist accordingly

Method used

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  • Thin type hoister for elevator and elevator device
  • Thin type hoister for elevator and elevator device
  • Thin type hoister for elevator and elevator device

Examples

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Effect test

Embodiment 1

[0049] Figure 1 to Figure 3 A thin hoist for an elevator according to an embodiment of the present invention is shown, figure 1 is the main view, figure 2 is the side view, image 3 is a side view of a partial section. As shown in the accompanying drawings, the thin winch consists of a frame body 1, a sheave 2, a main shaft 3, a bearing 4, a brake drum 5, a rotor 10 of an electric motor, a stator 12, and an electromagnetic braking device 6. In addition to the above components, A rotation detector (not shown) and the like are also mounted inside the housing 1 .

[0050] The frame body 1 is made by forming a rough shape with cast iron, etc., and then machining the parts that need to have precise dimensions. The internal shape of the frame body 1 is a cylindrical shape with a bottom, so that it can A brake drum 5, a motor rotor 10, a stator 12, a bearing 4, a rotation detector, and the like are installed. The protruding part provided at the central part of the frame body ...

Embodiment 2

[0064] Figure 4 and Figure 5 It mainly shows other embodiments related to the fixing method between the electromagnetic braking device and the frame, and the same parts are denoted by the same symbols, and their descriptions are omitted.

[0065] In the above embodiments, the electromagnet 7 is directly fixed on the frame body 1 , but in this embodiment, the electromagnetic braking device 6 is mounted on the frame body through the fixing member 50 . At this time, if Figure 4 As shown, by providing the fixing member 50 as a thin fixing member that does not interfere with the sling 20 , it is possible to prevent the fixing member 50 from interfering with the sling 20 . Therefore, the electromagnetic braking device of the present invention does not include the fixing member 50 , and the electromagnetic braking device 6 is disposed in the area between the slings 20 , which is equivalent to an embodiment of the present invention.

Embodiment 3

[0067] Figure 7 to Figure 9 It mainly shows other embodiments of the constituent parts of the electromagnetic brake, and the same parts are denoted by the same symbols, and their descriptions are omitted.

[0068] As shown in the figure, the electromagnetic brake device 6 is mainly composed of an electromagnet 7, a brake spring 51, a brake pad 8, a brake pad support member 9 and an electromagnet support member 50. 14 iron cores and armatures facing each other across an air gap. The electromagnet supporting member 50 is configured to fix the iron core, and relatively move the armature when the brake operates. The armature is fixed with a pillar connected to the brake pad support member 9, and the brake pad support member 9 is equipped with a brake pad 8, through which the armature, the brake pad support member 9 and the brake pad 8 perform One action.

[0069] A plurality of brake springs 51 are arranged on the outside of the iron core. In order to maximize the outer diamet...

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Abstract

Provided is a thin type hoister for an elevator and an elevator device. The width size of the thin type hoister which conduct braking on the periphery of a brake drum is reduced. The thin type hoister for an elevator comprises a frame body (1), a rope wheel (2), a main shaft (3), a bearing (4), a brake drum (5), a motor rotor (10), a stator (12) and an electromagnetic brake apparatus (6). The electromagnet (7) of the electromagnetic brake apparatus (6) is disposed with respect to the periphery of a brake pad (8) and the brake drum (5), and the electromagnetic brake apparatus (6) is disposed at the upper and lower parts of the frame body (1). In this case, the electromagnetic brake apparatus (6) at the upper side can be prevented from protruding the interval of a suspension cable (20), and the enlargement of the width size can be inhibited.

Description

technical field [0001] The invention relates to a winch for driving an elevator, in particular to a thin winch suitable for an elevator without a machine room. Background technique [0002] Generally, the control devices for the hoist and motor that move the elevator car up and down, and the governor for emergency braking when the elevator car exceeds speed, etc., are installed in the machinery room on the uppermost floor of the building. However, among elevators whose elevator car is relatively slow in ascending and descending speed, elevators without a machine room in which a machine room is not provided are common. [0003] In this elevator without a machine room, the components originally installed in the machine room are installed in the hoistway, and the hoist is also installed in the hoistway. The hoist installed in the hoistway has a variety of shapes and arrangements. For example, the hoist is arranged at the lowermost or uppermost part of the hoistway so that the ...

Claims

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Application Information

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IPC IPC(8): B66B11/04
Inventor 尾方尚文小野哲志早野富夫井手康一朗
Owner HITACHI LTD
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