Double-deck elevator

A technology for double-deck elevators and elevator cars, which is used in elevators, lifts, transportation and packaging in buildings, can solve the problems of short service life of screw shafts, and achieve the purpose of prolonging service life, improving driving efficiency and improving efficiency. Effect

Active Publication Date: 2011-06-15
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in a double-deck elevator, if screw mechanisms are respectively arranged in the upper car and the lower car, and two screw shafts are respectively arranged in each screw mechanism, the screw shaft bearing the largest supporting load has the shortest service life. , therefore, this maximum support load will determine the service life of the entire floor height adjustment mechanism in a double-deck elevator

Method used

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Examples

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Embodiment 1

[0072] Figure 1 to Figure 9 It is an example of this invention, and shows 1st Embodiment.

[0073] figure 1 A part of walls and floors near the elevator lobby of a building in which the double-deck elevator of the present invention is installed are shown. The building 9 has a floor slab 91 on each floor, and a floor-side elevator door 92 for entering an elevator car on each floor. The floor height of the first floor of the building 9 is higher than that of other floors, for example, the distance between the upper car and the lower car when the lower car of a double-deck elevator stops on the first floor and the upper car stops on the second floor The interval between the upper car and the lower car is different when the lower car stops on the fifth floor and the upper car stops on the sixth floor.

[0074] figure 2 right figure 1 The shown building 9 and the double-deck elevator 1 arranged in this building 9 are illustrated. figure 2 The double-deck elevator 1 in has ...

Embodiment 2

[0105] Figure 10 to Figure 12 The second embodiment of the present invention is shown. Compared with the first embodiment, the second embodiment has the following differences. In the second embodiment, a differential gear mechanism is used instead of two induction motors, and two universal joint mechanisms and sliding keys are used instead Oldham coupling, and using a balance mechanism as a supporting load equalizing mechanism, etc., but the function of the second embodiment is the same as that of the first embodiment. Hereinafter, it demonstrates centering on the part which differs from 1st Embodiment, referring drawings.

[0106] Figure 10 The drive section using the differential gear mechanism is shown in the figure. The driving section has a driving motor 210 and a differential gear mechanism 211 , and the rotational torque generated by the driving motor 210 is equally distributed left and right through the differential gear mechanism 211 and transmitted to the rotati...

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Abstract

The invention provides a double-deck elevator using a screw mechanism in a storey height adjusting mechanism, and the double-deck elevator inhibits a maximum load effected on the screw mechanism, and makes load uniform, thereby prolonging service lifetime. Cross slide block shaft couplers (7) performing transmission of rotary power around a shaft and allowing relative movement in a shaft direction are used to connect a plurality of screw shafts (4a, 4c) driving an upper part elevator car and a plurality of screw shafts (4b, 4d) driving a lower elevator car, a support load equalization mechanism (8) making a larger-thrust part descend along the shaft direction and the smaller-thrust part ascend along the shaft direction according to thrust sizes is used to support the screw shafts (4b, 4d) driving the lower elevator car, thereby inhibiting the maximum load of the screw mechanism generated by eccentric load of the elevator car, and equalizing load to prolong service lifetime of the screw mechanism.

Description

technical field [0001] The invention relates to a double-deck elevator, in particular to an improved mechanism of a double-deck elevator with a floor height adjustment mechanism, wherein the floor height adjustment mechanism uses a screw mechanism to adjust the floor height. Background technique [0002] Based on the considerations of improving the transport capacity and reducing the occupied area, the use of double-deck elevators is constantly increasing. Double-deck elevators can be divided into double-deck elevators with a height adjustment function and double-deck elevators without a height adjustment function. In many buildings, due to the consideration of appearance, the floor height of some floors (such as the hall on the first floor, etc.) is set to be different from that of other floors. When double-deck elevators are set in such buildings, it is necessary to set Double-deck elevator with height adjustment function. [0003] As a double-deck elevator with a floor ...

Claims

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Application Information

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IPC IPC(8): B66B7/00B66B11/02
Inventor 山田弘幸早濑功首藤克治
Owner HITACHI LTD
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