JP2003020178A - Lifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lifting device being barrier-free by changing the direction of a doorway of a gondola within a shaft, which is naturally twisted when rising or falling; and being very advantageous in terms of ease of transporting component members, ease of assembly, reductions in the period and cost of construction, few causes of failure, ease of maintenance, installability in an existing building or the like, and transferability by simplifying the shaft and the structure of the gondola to the limit. SOLUTION: A cylindrical shaft 1' serving as an outer plate is manufactured preferably by vertically pilling up and interconnecting a plurality of large-bore metallic pipes 1 each of which serves as one unit. The cylindrical gondola 2 is contained in the metallic pipes 1. Induction means 3 for binding each other are provided on the inner surfaces of the metallic pipes 1 and the outer surface of the gondola 2 so that the gondola 2 is naturally twisted by a predetermined angle during rise or fall within the metallic pipes 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a specific hoistway that serves as an outer plate, and the gondola in the hoistway naturally twists during hoisting to change the direction of the entrance and exit, thus providing barrier-free access. The present invention relates to a lifting device (elevator) configured as shown.

[0002]

2. Description of the Related Art Various lifting mechanisms and elevators have been proposed. Among those suggestions,
It is also known that the gondola is formed into a cylindrical shape or the gondola is rotated.

Japanese Patent Laid-Open No. 8-245141 discloses an elevator car having a cylindrical shape and a car door provided on the outer peripheral surface of the car so that the car door can be opened and closed, and a car center shaft provided at the center of the upper and lower surfaces of the car. , An elevator car frame in which an elevator car is rotatably supported by the car center axis, and a car rotation drive means for rotating the elevator car provided on the elevator car frame about the car center axis. And an end of rotation limit of the car rotation region, and a rotation completion detecting means for stopping the car rotation drive at a predetermined position.

Japanese Unexamined Patent Publication (Kokai) No. 8-290885 has an inner car, an outer car that accommodates the inner car in a slidable state, and a drive means for driving the sliding of the inner car. Shown is an elevator in which the outer car and the outer car each have an opening such that the two openings are placed in opposite positions only when a load is getting on and off. It is also described that both the inner car and the outer car have a cylindrical shape (that is, a double car), and the driving means rotationally drives the inner car inside the outer car.

In Japanese Unexamined Patent Publication No. 9-169478, a door position determining means determines the position direction of a landing door on a destination floor to be stopped next to a departure floor, and a car rotating means for rotating a cylindrical car. A cylindrical elevator that issues a command to rotate the cylindrical car when it reaches the destination floor by the end of the lifting motion of the cylindrical car and engage the landing door and the car door to open the door. The controller is shown. The car rotation drive device has a motor and a speed reducer inside, and has a function of physically transmitting a driving force generated from the motor and the speed reducer to the cylindrical car.

Japanese Unexamined Patent Publication (Kokai) No. 10-139318 discloses a cage having two doors diagonally located on its side and rotatable about its central axis, and a lifting drive for raising and lowering the cage along a hoistway. A rotary elevator comprising means and rotary drive means for rotating the car about a central axis is shown. Further, the vehicle is provided with a cage having a rotatable rotary table provided on the floor, a lifting drive means for raising and lowering the cage along the hoistway, and a rotary drive means for rotating the rotary table around the central axis. A rotary elevator is shown. The cage may have a side surface forming a cylindrical surface.
The rotation drive means may be provided in the cage or in the elevating drive means.

Japanese Patent Application Laid-Open No. 11-35259 discloses an elevator apparatus that raises and lowers a gondola in a shaft that vertically communicates with a plurality of floors inside a building, and the gondola has an opening at a part of its side surface. A side wall portion formed by overlapping the formed cylindrical bodies and a driving means for rotating these cylindrical bodies relative to each other are provided, and the door of the entrance and exit on the building side provided on the shaft is doubled. There is shown an elevator apparatus which is opened and closed by relative rotation of the cylindrical body and the door is housed along the outer circumference of the cylindrical body.

Japanese Unexamined Patent Publication No. 2000-86125 discloses a rotating body that slides on a guide rail when the car moves up and down and rotates according to the up and down movement of the car, and a rotation transmission device that transmits the rotational force of the rotating body. There is shown an elevator car device including a car and a rotary drive body provided at a lower portion of the car for rotating the car by a rotational force from a rotation transmission device.

Japanese Patent Laid-Open No. 2000-226167 discloses that
The elevator car frame accommodates a cylindrical elevator car,
An elevator passage that supports the elevator car frame so that it can be lifted up and down is installed through each floor, and floor doors on each floor are provided on at least two sides surrounding the elevator passage, and the elevator doors provided on the elevator car are rotated to a position facing the floor door. A movable building with elevators is shown. The rotation of the elevator car is performed by utilizing the rotation of the motor.

[0010]

However, in the elevator in which the gondola is formed into a cylindrical shape and is rotated as in the above-mentioned proposal, the special construction is required for the construction of the hoistway. It is necessary and expensive to install.-A special rotation drive device using a motor is required for the rotation of the gondola.-The structure and mechanism of the elevator as a whole are complicated, causing many failures. However, there are limits and problems such as that it requires time and labor for maintenance, and that it is not suitable for a limited-time use such as disassembling after being used for a certain period and reassembling at another place.

Under such a background, the present invention naturally twists the gondola in the hoistway to change the direction of the entrance / exit while the elevator is going up and down. Since the structure of is extremely simple, the components can be easily transported, assembled, the construction period can be shortened, the construction cost can be suppressed, the number of causes of breakdowns can be reduced, the maintenance can be easily performed on existing buildings. It is an object of the present invention to provide an elevating device that is extremely advantageous in terms of installability and removability to other locations.

[0012]

A lifting device according to the present invention comprises a cylindrical gondola (2) inside a cylindrical hoistway (1 ') serving as an outer plate.
An elevating device that elevates and lowers, and the cylindrical hoistway (1 ') serving as an outer plate has one or more large-diameter metal pipes (1) as one unit. A plurality of metal tubes (1) of (1) are vertically stacked and connected,
At least one metal pipe (1E) of the metal pipes (1E) is provided with a spiral first guiding means (3X) on the inner surface side, and the metal pipe (1E having the first guiding means (3X) When there is a metal pipe (1) other than the above (3), the pipe is provided with a third guide means (3Z) which is substantially straight in the vertical direction.
The second guide means (3Y) is provided on the outer surface side of (2), and the second guide means (3Y) on the gondola (2) side is a metal pipe (1E) having the first guide means (3X). ) Side spiral first guiding means (3
X) (or the linear third guide means (3Z) on the metal pipe (1) side other than the first guide means (3X) and the metal pipe (1E)). Gondola due to restraint
(2) is characterized in that the metal pipe (1E) having the first guiding means (3X) is twisted at a predetermined angle while moving up and down.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below.

<Basic Structure> In the lifting device of the present invention, a cylindrical gondola (2) moves up and down in a cylindrical hoistway (1 ') which is an outer plate.

<Hoistway (1 '), metal tube (1)> In the present invention, the cylindrical hoistway (1') serving as the outer plate is one or a plurality of large diameter metal tubes (1). 1 unit, and in the case of multiple units, it is composed of multiple large diameter metal pipes (1) that are vertically stacked and connected.

In this case, a cylindrical hoistway (1 ') serving as an outer plate
It is preferable that the large-diameter metal pipe (1) be one unit and that a plurality of the large-diameter metal pipes (1) are vertically stacked and connected. Also the large diameter metal tube (1)
Preferably has a flange (1a).

The metal tube (1) has a thickness of, for example, several mm to 10 mm.
It is preferable in terms of strength that a metal plate such as a steel plate, such as mm, is wound and both ends thereof are butted and the butted parts are welded to form a cylindrical shape. In the case of a steel plate, it is desirable to use a material having both strength, weldability and cuttability, such as arc welded carbon steel for piping.

A cylindrical metal tube (1) made of such carbon steel or other steel plate is wound by a flat plate and welded, or a cylindrical type with a longitudinal frame line and a circumferential frame line. It can be produced by making a skeleton that becomes the base of, and then attaching and fixing a flat plate. However, as a large diameter pipe for gas pipes and cables buried in the soil such as roads, 12
00 mm, 1350 mm, 1500 mm, 1800 mm, 200
Since various diameters such as 0 mm and various lengths are commercially available, it is advantageous to use them in terms of availability and stability of quality.

Usually, a plurality of such large-diameter metal pipes (1) are vertically stacked and connected to each other to form a cylindrical hoistway (1 ') serving as an outer plate. The number of metal pipes (1) forming the hoistway (1 ') is arbitrary, but is usually about 2 to 10, especially about 2 to 7.

When a plurality of metal tubes (1) are vertically stacked and connected, flanges (1a) are provided on both end sides of the metal tubes (1).
Attached by welding, vertically adjacent metal pipes (1), (1)
It is particularly preferable to be able to connect the two. If the metal pipes (1) that make up the hoistway (1 ') are overloaded due to an increase in the number of stacked metal pipes (1), etc., the hoistway (1' It is also possible to vertically install a steel material that serves as a rib for reinforcement on the outer side (in some cases, the inner side) of the metal pipe (1) constituting ().

The boarding / alighting stage (for example, the bottom stage and the top stage,
(The bottom and middle stages, the middle and top stages, the lower middle stage and the upper middle stage, and the bottom and middle stages and the top stage, etc.) ) Is provided by pulling out and attach the door there. There may be more than one boarding / alighting gate (1b) when the law allows. In order to reduce the weight of the hoistway (1 ') as a whole or to facilitate maintenance, a vent hole (1c) and a window may be provided at an appropriate part of the metal pipe (1) at any stage. it can.

<Gondola (2)> The gondola (2) is also of a cylindrical type in order to move up and down in the cylindrical type hoistway (1 '). Gondola is synonymous with cage, cage, and ride cage.

This gondola (2) also uses a metal tube,
It is preferably produced by installing a top plate and a bottom plate. As the metal pipe at this time, it is advantageous to use the same metal pipe as the metal pipe (1) for the hoistway (1 ′) described above (however, the diameter is slightly smaller).

The gondola (2) is provided with an entrance / exit (2a) by cutting out and the like, and a door is provided there. There may be more than one entrance / exit (2a) when the law allows. If desired, vent holes (2b) and windows can also be provided.

On the outer peripheral surface of the gondola (2), there are rollers, bearings, etc. for preventing shaking so that the hoistway (1 ') can be smoothly moved up and down with respect to the metal tube (1). Rotating body
It is preferable to attach (4) at an appropriate number with an appropriate interval.

<Induction Means (3)> Furthermore, in the present invention, a spiral first induction means (3X) is provided on the inner surface side of at least one of the metal tubes (1) (this first induction means (3X )
The metal tube (1) provided with is referred to as a metal tube (1E)). When there is a metal tube (1) other than the metal tube (1E) having the first guiding means (3X), the tube is provided with a substantially linear third guiding means (3Z) directed in the vertical direction. .

The angle of the helix is above and below one unit of metal tube (1E), and for the gondola (2) is, for example, 45 °, 90 °, 13 °.
It is desirable to set the twist angle such as 5 ° or 180 °. However, the gondola (2) is partially (for example, half) in the lower metal tube (1E), for example.
It is also possible to twist only and to make the remainder (for example, the other half) twist in the upper metal tube (1E).

Since the metal tube (1E) has a cylindrical shape, it is not always easy to mount the first guiding means (3X) on the inner surface side so as to draw a predesigned accurate spiral. Therefore, a cylindrical body or semi-cylindrical body having a diameter smaller than the inner diameter of the metal pipe (1E) by the thickness of the first guiding means (3X) is used as a jig for the mold, and the outer surface of the cylindrical body or the semi-cylindrical body is predetermined. A row of convex portions is provided so as to draw a spiral of, and a material for the first guiding means (3X) is provided along the row of convex portions (for example, a metal pipe or rail).
If the first guiding means (3X) is manufactured by fitting it to the inner surface of the metal pipe (1E) and then performing welding by accurately bending the first guiding means (3X), Can be shaped.

By the way, if the first guide means (3X) is provided in a spiral shape on the inner surface side of the metal tube (1E), the gondola can be obtained.
(2) Since the center of gravity may shift and the gondola (2) may oscillate when a person gets inside and goes up and down, it is desirable to take the following measures.

That is, on the inner surface side of the metal tube (1E) having the first guiding means (3X), n sets of spiral first guiding means (3X) are formed so as to divide the inner circumference thereof into substantially equal n parts. Is provided.
It is suitable that n is 2 to 6, especially 2 to 4, and especially 2 to 3. At this time, each of the n sets of the first guiding means (3X) may be a single wire, but each of the n sets of the first guiding means (3X) is a double wire (2 Line or at best 3
Line), the rocking of the gondola (2) during ascent and descent is further reduced.

When n sets of spiral first guiding means (3X) are provided on the inner surface side of the metal pipe (1E) having the first guiding means (3X), the metal pipe (1E) ) Metal tubes other than
In (1), n sets of linear third guiding means (3Z) may be provided. Each of the n sets of third guiding means (3Z) also has a first
Corresponding to the guiding means (3X), it should be a single line or a double line.

On the other hand, on the outer surface side of the gondola (2), a metal tube
(1E) spiral first guiding means (3X) (and metal tube
(3) A linear third guiding means (3) provided on the metal pipe (1) other than (1E)
The second guiding means (3Y) is provided corresponding to Z)). The second guide means (3Y) should be provided on the lower side of the outer surface of the gondola (2), for example, while twisting the lowermost metal tube (1E) up and down, the twist of the gondola (2) at a predetermined angle. This is convenient because the gondola (2) also has less shaking.

Then, the second guiding means (3
Y) is a spiral first guiding means (3X) on the side of the metal tube (1E) having the first guiding means (3X) (or a metal other than the first guiding means (3X) and the metal tube (1E)). The linear third guide means (3Z) on the side of the pipe (1) is restrained so that the gondola (2) has a metal pipe (3X) having the first guide means (3X). While moving up and down in 1E), twist it at a specified angle.

The spiral first guiding means (3X) (or first
The restraint relationship between the guiding means (3X) and the linear third guiding means (3Z)) and the second guiding means (3Y) can be various modes, one of which is a convex portion and the other is a convex portion. It is preferable that the convex portion and the concave portion are in a relation of restraining each other via the rotating body while having a relation of the concave portion. The rotating body is
Usually, it is preferably wheel-shaped, and the outer peripheral surface side is preferably made of resin having good wear resistance.

<Others> To move the gondola (2) up and down in the hoistway (1 '), a gondola lifting means (5) such as a winch is used.
Is provided, for example, on the roof of the uppermost metal tube (1). At this time, the balance weight (counter weight) is used to minimize the energy required for raising and lowering the gondola (2).
It is usual to provide (6). As the gondola lifting means (5), in addition to the winch described above, a pantograph type or roping type hydraulic device, a jack type direct or indirect gondola lifting device, or the like can be used.

It is desirable to provide a footboard having a shape along the curve of the outer surface of the hoistway (1 ') in order to close the gap at the entrance / exit of the floor for getting on / off.

In addition, various devices equipped in a normal lifting device, for example, a fall prevention means for the gondola (2), an escape hatch for the gondola (2), a power cutoff mechanism at the time of a power failure, an alarm device, an inside / outside interphone, and a door. Various additional devices and equipment such as locking (interlock) are also provided in a necessary range.

<Applicable Place> The lifting device of the present invention having the above structure is used for a building, a home, a construction site, a parking lot, a station building,
It can be applied to various places including temporary facilities.

[0039]

EXAMPLES The present invention will be further described with reference to examples.

Embodiment <Hoistway (1 '), metal tube (1), gondola (2)> FIG. 1 is a front view showing an example of the hoisting device of the present invention. Figure 2
FIG. 3 is a right side view of the upper metal tube (1) of the lifting device of FIG. 1.
FIG. 3 is an end view of the lower part of the lifting device of FIG. However, doors provided at the entrance / exit (1b) and the entrance / exit (2a) are not drawn. FIG. 4 is a gondola of the lifting device of FIG.
It is a front view of (2).

In FIG. 1, two units of a large diameter metal pipe (1) having a flange (1a) are vertically stacked and connected to form a cylindrical hoistway (1 ') which serves as an outer plate. There is.

The lower metal tube (1) of the two metal tubes (1)
Has its bottom side buried under the floor and stands up in a fixed state. (7) is a buffer spring.

The entrance / exit opening (1b) is cut out from the lower metal tube (1), and a sliding door is provided at the cutout portion as shown in the front of FIG. The lower metal tube (1) is provided with a hole (1c) for weight reduction, and a window is fitted therein.

The upper metal tube (1) of the two metal tubes (1)
Is fixed on the lower metal tube (1). A winch, which is an example of a gondola lifting means (5) for lifting the gondola (2), is mounted on the roof of the upper metal pipe (1). A balance weight (6) is provided as shown by a broken line in FIG. 1 in order to facilitate the raising and lowering of the gondola (2) and reduce the power cost.

The entrance / exit (1b) is also cut out in the upper metal tube (1), and a sliding door is provided in the cutout portion as seen on the left side of FIG. The upper metal tube (1) also has a hole (1c) for weight reduction, as shown in FIGS.

In the lifting device of FIG. 1, the outer cylinder is constituted by the metal tube (1) as the hoistway (1 '), and the inner cylinder is shown in FIG. The cylinder is a gondola
It consists of (2). As a material for the metal tube (1) and the gondola (2), for example, arc welding carbon steel for piping is used. The metal tube (1) and gondola (2) are the guiding means described later.
It is designed to be restrained in (3).

In the lower metal tube (1) in FIG. 1, there is a gondola.
(2) is indicated by a broken line. As shown in FIG. 4, the gondola (2) is provided with an entrance / exit (2a) by pulling out. The door (2a) is provided with a door (not shown in FIG. 4). On the outer surface of the gondola (2), there are rotating bodies (rollers and bearings) (4) to prevent shaking.

<Induction Means (3)> FIG. 5 is a developed view of the lower and upper metal tubes (1), (1) in FIG. 1 (this is also shown in the case of the cylindrical type). An example of installation of the guiding means (3X) and the third guiding means (3Z) is shown. 6 is shown in FIG.
FIG. 4 is a development view of the lower and upper metal pipes (1), (1), showing another example of installation of the first guiding means (3X) and the third guiding means (3Z).

In FIG. 5, the lower metal tube (1) is provided with single-line first guiding means (3X), (3X) obliquely inclined at intervals of two rows in a developed view. When the development view of FIG. 5 is made cylindrical, the first guiding means (3X), (3X) are formed in spirals each in a single row at exactly facing portions (one end and the other end of the diameter) of the cylinder. become. Similarly, in FIG. 5, the upper metal tube (1) has a third linear guide means (3Z), (3
Z) are provided in parallel with each other in the vertical direction with an interval of two rows. If the development view of FIG. 5 is made cylindrical, the third guiding means (3Z), (3Z)
Is exactly where the cylinder faces (one end and the other end of the diameter)
That is, each column is formed in a vertical line. The first guiding means (3X), (3X) and the third guiding means (3Z), (3Z) are arranged so as to be smoothly continuous at the joint between the lower and upper metal pipes (1), (1). There is.

In FIG. 6, the metal tube (1) in the lower stage is shown in a developed view with two sets of first guide means (3X), (3X) of a double line inclining at an interval of two rows. It is provided. When the development view of FIG. 6 is made cylindrical, the first guiding means (3X), (3X) are formed in a two-row spiral shape just at the facing portions (one end and the other end of the diameter) of the cylinder. become. Similarly in FIG.
On the upper metal tube (1), a pair of double-wire-shaped third guiding means (3Z), (3Z) are provided in parallel with each other in the up-down direction in a developed view with two rows spaced apart. When the development view of FIG. 6 is made into a cylindrical shape, the third guiding means (3Z), (3Z) are formed in two straight lines at exactly the facing portions (one end and the other end of the diameter) of the cylinder. It will be. First guiding means (3X), (3X) and third guiding means
(3Z) and (3Z) are designed to be smoothly continuous at the joint between the lower and upper metal pipes (1) and (1).

When the first guiding means (3X) is provided as shown in FIGS. 5 and 6, the gondola (2) has the lower metal tube.
The gondola (2) naturally twists 90 ° while going up and down (1). That is, when the gondola (2) is on the floor of the metal pipe (1) (metal pipe (1E)) in the lower part of Fig. 1,
The entrance / exit (2a) of the gondola (2) faces the front as shown in Fig. 1, but the gondola (2) reaches the position of the upper metal tube (1) in Fig. 1 and the gondola lifting means (winches) (5 ), The entrance / exit (2a) of the gondola (2) naturally twists to the left side of Fig. 1.

FIG. 7 shows the first guiding means which is the guiding means (3).
It is explanatory drawing which showed an example of the restraint relationship between (3X) and the 2nd guidance means (3Y). FIG. 8 shows the first guiding means which is the guiding means (3).
It is explanatory drawing which showed another example of the restraint relationship of (3X) and the 2nd guidance means (3Y). FIG. 9 is an explanatory view showing still another example of the restraint relationship between the first guiding means (3X) which is the guiding means (3) and the second guiding means (3Y).

In FIG. 7, a support bar (3Xb) with a pipe (3Xa) is provided on the inner surface side of the lower metal pipe (1) (metal pipe (1E)).
A long first guide means (3X) consisting of is installed by welding, while the gondola (2) has four rollers (3
The second guiding means in the shape of a coma consisting of a supporting piece (3Yb) with Ya)
(3Y) is installed, and these first guiding means (3X) and second
Due to the restraint relationship with the guiding means (3Y), when the gondola (2) moves up and down, the gondola (2) twists naturally and smoothly. The support piece (3Yb) is shown in FIG.
It may be rotatable as shown in (a) or may be fixed to the gondola (2) as shown in FIG. 7 (b).

In FIG. 8, the elongated first guiding means (3X) consisting of the concave rail (3Xc) is installed by welding on the inner surface side of the lower metal pipe (1) (metal pipe (1E)). Yes, while the gondola
On the outer surface side of (2), a roller that fits into the concave rail
A second guide means (3Y) consisting of a support piece (3Yd) with (3Yc) is installed, and due to the restraint relationship between the first guide means (3X) and the second guide means (3Y), the gondola ( The gondola (2) is designed to twist naturally and smoothly when it goes up and down.

In FIG. 9, a long first guide means (3Xe) consisting of a support bar (3Xe) with a flat bar (3Xd) is provided on the inner surface side of the lower metal tube (1) (metal tube (1E)). ) Is installed by welding, on the other hand, on the outer surface side of the gondola (2), a second guide means consisting of a support piece (3Yf) with two rollers (3Ye) sandwiching the flat bar (3Xd) from both sides. (3Y) is installed, and due to the restraint relationship between the first guiding means (3X) and the second guiding means (3Y), the gondola (2) moves naturally and smoothly when the gondola (2) moves up and down. It is supposed to be twisted. The support piece (3Yf) may be rotatable as shown in FIG. 9 (a) or may be fixed to the gondola (2) as shown in FIG. 9 (b).

[0056]

The lifting and lowering device of the present invention has the following advantageous effects.

A. Large diameter metal pipes that make up the hoistway (1 ')
Since both (1) and the gondola (2) can be made of a material such as steel pipe, the structure is basically extremely simple and the structure is strong. In addition, the components can be easily transported and assembled, which shortens the construction period.
Construction costs can be reduced. There are few factors that cause failure, and maintenance is easy. It can be easily installed in existing buildings, and after being used for a certain period of time,
It is also suitable for a limited time use, such as dismantling and reassembling at another place.

B. The gondola (2) twists naturally and smoothly up to an arbitrary set angle while moving up and down.
It does not require energy for twisting, and shaking during twisting is unlikely to occur. Also, unlike the case of rotating once at a fixed position and then moving up and down, it does not require special time for twisting, and since complicated mechanisms such as motors and gears for rotation are not used, it is also advantageous for maintenance. .

C. In this way, the gondola (2) naturally twists at a predetermined angle while moving up and down, so for example, you can get on and off from the east side on the first floor and get on and off from the south side or the west side on the second floor, so barrier-free. Planned.

D. Metal tube (1E) having first guiding means (3X)
If the number of spiral first guiding means (3X) provided on the inner surface side of n is increased, or if one set is composed of multiple lines, etc., the gondola (2) will be uneven when moving up and down. Even if strong force is applied, the gondola (2) can be prevented from shaking.

[Brief description of drawings]

FIG. 1 is a front view showing an example of a lifting device of the present invention.

FIG. 2 is a right side view of the upper metal tube (1) of the lifting device of FIG.

3 is an end view of the lower part of the lifting device of FIG. 1 taken along line XX.

FIG. 4 is a front view of a gondola (2) of the lifting device of FIG.

5 is an exploded view of the lower and upper metal pipes (1), (1) of FIG. 1 (also shown in the case of a cylindrical type), a first guide means (3X) and a third guide means. An example of installation of (3Z) is shown.

6 is a development view of the lower and upper metal tubes (1), (1) in FIG. 1, showing another example of installation of the first guiding means (3X) and the third guiding means (3Z). There is.

FIG. 7 is an explanatory view showing an example of a constraint relationship between a first guiding means (3X) which is a guiding means (3) and a second guiding means (3Y).

FIG. 8 is an explanatory view showing another example of the restraint relationship between the first guiding means (3X) which is the guiding means (3) and the second guiding means (3Y).

FIG. 9 is an explanatory view showing still another example of the restraint relationship between the first guiding means (3X) and the second guiding means (3Y) which are the guiding means (3).

[Explanation of symbols]

(1 ') ... hoistway, (1) ... metal tube, (1E) ... first guiding means (3X)
Metal tube having (1a) ... flange, (1b) ... entrance / exit, (1c)
… Vent hole, (2)… Gondola, (2a)… Entrance / exit, (2b)… Vent hole, (3)… Guide means, (3X)… First guide means, (3Xa)… Pipe, (3Xb)… Support bar, (3Xc)… Concave rail, (3Xd)
... flat bar, (3Xe) support bar, (3Y) ... second guide means, (3Ya) ... roller, (3Yb) ... support piece, (3Yc) ... roller, (3Yd) ... support piece, (3Ye) ... roller , (3Yf) ... Supporting piece, (3Z) ... Third guiding means, (4) ... Rotating body, (5) ... Gondola lifting means, (6) ... Balance weight, (7) ... Buffer spring

Claims (5)

[Claims] 1. A lifting device for moving a cylindrical gondola (2) up and down in a cylindrical hoistway (1 ') serving as an outer plate, wherein the cylindrical hoistway (1') serving as an outer plate is One or more large-diameter metal pipes (1) as one unit, and in the case of a plurality, the large-diameter metal pipes (1) are vertically stacked and connected, On the inner surface side of at least one metal pipe (1E) of the pipes (1), a spiral first guiding means (3X) is provided, and the metal pipe (1E) having the first guiding means (3X) Other than metal pipe (1)
If there is, the pipe is provided with a third guide means (3Z) which is substantially straight in the vertical direction, and the second guide means (3Y) is provided on the outer surface side of the gondola (2). The second guiding means (3Y) on the side of the gondola (2) is provided with the first guiding means (3
X) spiral first guide means (3X) on the metal tube (1E) side
(Or, the relationship is restricted by the linear third guide means (3Z) on the side of the metal pipe (1) other than the first guide means (3X) and the metal pipe (1E)). By the gondola
(2) is an elevating device characterized by being twisted by a predetermined angle while moving up and down in the metal pipe (1E) having the first guiding means (3X). 2. A cylindrical hoistway (1 ') serving as an outer plate has a large-diameter metal pipe (1) as one unit, and the large-diameter metal pipe
The lifting device according to claim 1, wherein a plurality of (1) are vertically stacked and connected. 3. The lifting device according to claim 2, wherein the large-diameter metal pipe (1) has a flange (1a). 4. A set of n first spiral guiding means (3X) on the inner surface side of the metal pipe (1E) having the first guiding means (3X) so as to divide the inner circumference thereof into substantially equal n parts. Is provided, and each of the n sets of the first guiding means (3X) is a single line or a double line, and correspondingly, a metal pipe other than the metal pipe (1E) ( 1) When there is, n sets of linear third guiding means (3Z) extending in the vertical direction are also provided on the inner surface side so as to divide the inner circumference into n equal parts, and The lifting device according to claim 1, wherein each of the n sets of third guiding means (3Z) has a single-line shape or a double-line shape. 5. A spiral first guiding means (3X) (or first
The guiding means (3X) and the linear third guiding means (3Z)) and the second guiding means (3Y) have a constraint relationship that one is a convex portion and the other is a concave portion. The elevating device according to claim 1, wherein the convex portion and the concave portion are configured so as to restrain each other through the rotating body (3a).