JPH0539183A - Transverse moving device for multi-cage type linear elevator - Google Patents

Abstract

PURPOSE:To provide a multi-cage type linear elevator wherein efficient system operation can be performed by eliminating a fixed type guide rail and a transverse moving carriage in a transverse moving path. CONSTITUTION:Long circular coils 12 for generating thrust force similarly to coils 4 are arranged in a transverse moving path 3 so that smoothly continued running can be performed from lift paths l, 2. A cage 5 is stopped in a floated condition in a predetermined position by controlling the long circular coil 12 energized. Here, a guide set up in a side surface of the cage 5 is guided by a moving guide rail 10, provided transversely movable, to stably stop the cage 5 in the predetermined position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lateral moving device applied to a multi-cage type linear elevator.

[0002]

2. Description of the Related Art Conventionally, a rope type elevator has been generally used as an elevator (elevating device). A rope-type elevator has a structure in which a cage and a counterweight suspended in a slippery manner are lifted and lowered along a guide rail by a frictional force between a rope and a drive sheave. However, in recent years, so-called low press elevators, in which the mechanical part of the lifting mechanism is eliminated, have appeared. Low-press elevators include air-type elevators that use compressed air, linear elevators that use superconducting magnets, etc., and their development is underway.

As an example of a conventional linear elevator, a multi-cage type elevator that raises and lowers a plurality of cages is
This will be described with reference to FIGS. 3 and 4 (enlarged perspective view of portion A in FIG. 3). In FIG. 3, reference numeral 1 is an ascending / descending hoistway, 2 is a descending hoistway, and a lateral moving path 3 for connection, on which rails 12 are laid, is formed at the upper and lower ends thereof. A ring-shaped coil group 4 is vertically stacked in both hoistways 1 and 2, and a superconducting magnetic field generator 6 is attached to a cage 5. This allows the cage 5 to move up and down.
Further, as shown in FIG. 4, semi-annular coils 11 are attached to the left and right ends of the lateral movement path 3, and the cage 5 is moved by the linear synchronous motor which is also configured with the magnetic field generator 6 of the cage 5. It is designed to go up and down. In the figure, 9 is a guide rail for guiding when the cage 5 is moved up and down. A horizontal moving carriage 7 is installed on the upper and lower horizontal moving paths 3, and a cage 5 is mounted to move between the hoistways 1 and 2.

Hereinafter, the cage 5 is moved from the hoistway 1 side to the hoistway 2
The procedure for moving to the side will be described. First, the cage 5 is raised to the lateral movement path 3 by the above-mentioned linear synchronous motor. At this time, the laterally-moving carriage 7 stands by at the center of the laterally-moving path 3. Then, when the cage 5 is completely lifted, the lateral movement carriage 7 travels directly below the cage 5. After that, the cage 6 is lowered and mounted on the lateral movement carriage 7, and the cage 5 is transported to the hoistway 2 side. Next, the cage 5 is once lifted by the linear synchronous motor on the hoistway 2 side, the lateral moving carriage 7 is made to stand by at the center of the lateral traverse path 3, and then the cage 5 is lowered into the hoistway 2.

[0005]

The above-mentioned multi-cage type elevator has the following drawbacks. That is, since the semicircular coil 11 is used in the lateral movement path 3, the magnetic field generated between the magnetic field generator 6 installed in the cage 5 becomes non-uniform, and the thrust acting on the cage 5 is uniform. The movement was unstable due to lack of nature. Further, the unstable behavior of the cage 5 that occurs when moving to the lateral movement path 3 is suppressed by the guide rails 9 installed in the hoistways 1 and 2, but when the cage 5 is laterally moved, this The guide rail 9 had to be attached and detached, and the time loss required for the work had a great influence on the operation of the entire system. Furthermore, since the laterally moving carriage 7 is used when the cage 5 is laterally moved, a relatively large driving force is required, which causes an increase in running cost.

The present invention has been made in view of the above circumstances,
It is an object of the present invention to provide a multi-cage type linear elevator that enables efficient system operation by eliminating fixed guide rails and lateral moving carriages in a lateral moving path.

[0007]

Therefore, in order to solve the above problems, the present invention provides a pair of hoistways with lateral movement paths at the upper and lower ends thereof, and a circulation path formed by the hoistways and the lateral movement paths. In a multi-cage type linear elevator that conveys a plurality of cages inside, a coil that forms a linear synchronous motor together with a magnetic field generator formed in the cage is formed with a shape that includes both the hoistways in the lateral movement path. A moving guide rail that is slidably disposed in the coil between the two hoistways and is used for guiding the cage when moving up and down, and a guide rail that transfers the moving guide rail between the both hoistways. A lateral movement device for a multi-cage type linear elevator, comprising a transfer means.

[0008]

For example, the coil formed in the lateral movement path is formed into an elliptical shape including both hoistways, and is excited in synchronism with the magnetic field generator mounted on the cage to stop floating at a predetermined position.
In this state, the moving guide rail holding the cage is transferred by the guide rail transfer means, and the cage is moved from one hoistway to the other hoistway.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. In the description of the embodiments, the same members as the above-mentioned conventional members are designated by the same reference numerals, and duplicated description will be omitted.

FIG. 1 shows the overall construction of an embodiment of a multi-cage type linear elevator according to the present invention, and FIG. 2 shows an enlarged perspective view of a lateral movement path. As shown in FIG. 1, in this embodiment, as in the conventional device, the upper and lower traverse paths 3 for connecting them to the upper and lower ends of the hoistways 1 and 2 for raising and lowering.
Are formed. An annular coil 4 and a guide rail 9 are arranged in the ascending / descending range within the hoistways 1 and 2. Then, by exciting and controlling the coil 4, the cage 5
Can be raised, lowered, or stopped at an appropriate speed.

An elliptic coil 12 for generating thrust is disposed in the lateral movement path 3 similarly to the coil 4, and the hoistway 1,
From 2 on, smooth continuous running is possible. Also,
The cage 5 is stopped in a floating state at a predetermined position (for example, the lower left end in FIG. 1) by controlling the excitation of the elliptical coil 12.
At this time, a guide installed on the side of the cage (not shown)
Is guided by a movement guide rail 10 provided so as to be movable laterally, and the cage 5 remains stable at a predetermined position. The movable guide rail 10 can continuously guide the fixed guide rail 9 provided in the hoistways 1 and 2, but is structurally discontinuous and discontinuous.

As shown in FIG. 2, the cage 5 is moved in the lateral movement path by applying a force by the lateral movement driving device 13 in a state of being levitated by the excitation of the elliptical coil 12. The lateral movement drive device 13 of the present embodiment includes a feed screw 14 screwed onto the upper end of the movement guide rail 10 and a drive motor (not shown). The cage 5 is held by rotating the feed screw 14. The movement guide rail 10 moves along the lateral movement path 3.

[0013]

EFFECTS OF THE INVENTION According to the multi-cage type linear elevator of the present invention, it is possible to stably move and stop in the lateral movement path region.
In addition to safety, the lateral movement carriage is eliminated, so that the apparatus can be made compact, and the driving force and time required for lateral movement can be reduced.

[Brief description of drawings]

FIG. 1 is an overall view showing a multi-cage type linear elevator according to the present invention.

FIG. 2 is an enlarged perspective view of a lateral movement path according to the present invention.

FIG. 3 is an overall view showing a conventional multi-cage type linear elevator.

FIG. 4 is an enlarged perspective view of a portion A in FIG.

[Explanation of symbols]

 1, 2 hoistways 3 lateral movement path 4 coil group 5 cage 6 magnetic field generator 7 lateral movement carriage 9 guide rail 10 movement guide rail 12 elliptical coil 13 lateral movement drive device 14 feed screw

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tsutomu Yamaguchi 1-1-1 Wadazaki-cho, Hyogo-ku, Kobe-shi, Hyogo Mitsubishi Heavy Industries Ltd. Kobe Shipyard

Claims (1)

[Claims] 1. A multi-cage type linear elevator in which lateral moving paths are provided at upper and lower ends of a pair of hoistways, and a plurality of cages are conveyed in a circulation path formed by the hoistways and the lateral moving paths. A coil that is formed in a shape that includes both of the hoistways in the moving path and that constitutes a linear synchronous motor together with the magnetic field generator formed in the cage, and is slidably disposed between the both hoistways in the coil. And a guide rail transfer means for transferring the guide rail between the two hoistways, the guide rail moving means being used for guiding the cage up and down. Lateral movement device.