JPH10120338A - Sloping elevator - Google Patents

Abstract

(57) [Problem] To provide an inexpensive sloping elevator capable of always raising and lowering a car while keeping the car horizontal even if the skew angle changes. SOLUTION: A bracket 15 is attached to an installation part 2;
First inclination angle portions 17A ₁ , 17B ₁ ; 17 with an inclination angle θ ₁
A ₂ , 17B _2, and main guide rails 17A, comprising second inclined portions 17A ₃ , 17B ₃ having an inclination angle θ ₂ (θ ₂ ≒ 0),
17B and a first tilt angle portion 18 of the tilt angle θ ₁
A ₁ , 18B ₁ and a holding guide rail 18 composed of _second inclined angle portions 18A ₂ , 18B ₂ having an inclined angle θ ₂ (θ ₂ ≒ 0).
A, 18B, and the third wheels 19A, 1A in addition to the first and second wheels engaging with the main guide rail.
9B, the third wheels 19A, 19B engage with the holding guide rails 18A, 18B to hold the car 9 in a horizontal state when the first wheel or the second wheel comes off the main guide rail. I did it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skew elevator, and more particularly, to a skew elevator in which the skew angle changes during a vertical stroke.

[0002]

2. Description of the Related Art For example, FIG.
And a configuration as shown in FIG. 8 are known.

In these figures, reference numeral 1 denotes a motor for driving an elevator, and a slope 2a of an installation portion 2 constituting a hoistway.
Is fixed with bolts 3 above. A pulley 4 is fitted and fixed to the rotating shaft 1a of the motor 1, and a rope 5 is wound around the pulley 4 and one end thereof is fixed. The other end of the rope 5 is connected to a car 9 via a rope-side bracket 6 and a car-side bracket 7 rotatably engaged with pins 8. In the car 9, before and after the bottom,
Short legs 10A, 1 on the ascending side of the slope at four places on the left and right, respectively.
0B and long legs 11A and 11B on the slope-down side are attached to the lower ends of these legs. The first wheels 13A and 13B on the slope-up side and the second wheels 14A and 14B on the slope-down side are attached to the lower ends of the legs. Are rotatably supported. Also,
A pair of left and right guide rails 16 </ b> A and 16 </ b> B are laid on the slope 2 a of the installation part 2 via a plurality of brackets 15.

Accordingly, the motor 1 is driven to drive the pulley 4
By winding or rewinding the rope 5 by the vehicle, the car 9 is moved to its respective wheels 10A, 10B, 11A, 11
B rolls on the main guide rails 16A and 16B, and can move up and down in the hoistway while maintaining a horizontal state. However, when such a conventional sloping elevator is applied to a skew angle that changes during the up-and-down stroke, when the car is configured to be able to maintain a horizontal state corresponding to one of the skew angles, When ascending and descending at other skew angles, the car cannot be kept horizontal.

Therefore, according to Japanese Patent Application Laid-Open No. Hei 4-153184, a pair of left and right first guide rails on which the first wheel on the ascending side of the slope rolls and a pair of left and right first rails on which the second wheel on the side of descending the slope rolls. And a vertical guide rail between the first and second guide rails is changed so that the car is always kept horizontal even when the skew angle is changed. A sloping elevator is provided that can be used.

[0006]

However, in such a skew elevator, in order to keep the car always horizontal even when the skew angle changes, a dedicated wheel for the first wheel on the slope-up side is used. It is necessary to provide a total of four guide rails, a pair of left and right first guide rails and a pair of left and right second guide rails dedicated to the second wheel on the slope descending side, over the entire length of the hoistway. Was not taken into account.

Accordingly, an object of the present invention is to provide an inexpensive sloping elevator capable of always moving the car up and down while keeping the car horizontal even when the skew angle changes.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a car having a third wheel, and a holding guide rail which engages with the third wheel, is provided on a part of a hoistway. The first wheel or the second wheel is disengaged from the first inclined angle portion or the second inclined angle portion of the main guide rail during traveling of the car, and the third wheel is held by the holding guide rail. , So that the car is always kept horizontal.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 are a plan view of an oblique elevator according to an embodiment of the present invention and ABC of FIG.
It is a -DEF line sectional view. In these figures, the same reference numerals as those in FIGS. 7 and 8 indicate the same or equivalent,
The detailed description is omitted.

[0011] In this embodiment, a pair of left and right main guide rail 17A which is laid on the slope 2a of the installation section 2 through the bracket 15, 17B, the first inclined portion 17A of each tilt angle theta ₁ of the lower side ₁ , the first 17B ₁ and the upper side
And the inclination angle portion 17A _2, 17B _2, located in the middle of these tilt angle portion, a second inclination angle of the different tilt angles θ ₂ (≒ 0) and the inclination angle theta ₁ of the first inclined angle portion Part, that is, a horizontal part 17A such as a landing where passengers get on and off, for example.
₃ , 17B ₃ and the main guide rail 17
A pair of left and right holding guide rails 18A and 18B are laid via brackets 15 around the places where the inclination angles change outside of A and 17B. These holding guide rails 18A and 18B also have the first inclination angle θ ₁ respectively.
The second inclination angle portions of the inclined portions 18A _1, 18B ₁ and the inclination angle θ ₂ (≒ 0), i.e., and a horizontal portion 18A _2, 18B ₂ Prefecture. Therefore, the main guide rail 17
First inclined angle portions 17A ₂ , 17A on the upper side of A, 17B
B ₂ and the second inclined angle portion, that is, the horizontal portion 17
As shown in FIG. 2, A ₃ , 17B ₃ and the first inclined angle portions 18A ₁ , 18B ₁ and the second inclined angle portions of the holding guide rails 18A, 18B, that is, the horizontal portions 18A ₂ , 18B ₂ , as shown in FIG. , A parallelogram is formed. The third wheels 19A, 19B are rotatably supported by the pins 12 concentrically with the first wheels 13A, 13B on the slope rising side and on the opposite side, that is, outside.

In the skew elevator constructed as described above, for example, when the car 9 skews from the lower part to the upper part in the hoistway, first, the first wheels 13A, 13
B and the second wheels 14A, 14B are both the first inclined portions 17A ₁ , 17A, 17B below the main guide rails 17A, 17B.
17B ₁ on rolls, car 9 is increased by holding the horizontal state. Then, the first wheel 13A, 13B is the main guide rails 17A, 17B position where the tilt angle is changed, namely, the first inclined angle portion 17A _1, from 17B ₁ second inclination angle portion of the lower side (horizontal portion After passing position X to 17A ₃ , 17B ₃ , the first wheels 13A, 13B gradually become second inclined angle portions (horizontal portions) 17A ₃ , 17B while the car 9 is held horizontally. _The car 9 starts rising from ₃ and cannot keep the car 9 in a horizontal state as it is. However, at this time, the third wheels 19A, 19
B engages with the first inclined angle portions 18A ₁ , 18B ₁ of the holding guide rails 18A, 18B and starts rolling thereon, so that the car 9 keeps its horizontal state and skews as it is. Can be. Then, a second wheel 14A, the 14B moves to the second inclination angle portion (horizontal portion) 17A _3, 17B ₃ main guide rails 17A, 17B past the position X, the third wheel 19A, 19B also Holding guide rail 1
8A, since the transition from the first inclined angle portion 18A _1, 18B ₁ 18B second to inclination portion (horizontal portion) 18A _2, 18B _2, the car 9 to skew holding the horizontal state (Note that, at this time, the first wheels 13A, 13B
Are still raised from the main guide rails 17A and 18B). Then, the second wheel 14
A, the 14B moves the main guide rail 17A, the second of 17B to tilt angle portion (horizontal portion) 17A _3, the first inclination angle portions from 17B ₃ of the upper side 17A _2, 17B _2, third wheel 19A , 19B are holding guide rails 18A, 18B.
From the end position Y of the first wheel 13
A and 13B are engaged with the first inclined angle portions 17A ₂ and 17B ₂ on the upper side of the main guide rails 17A and 17B, and the first and second wheels 13A and 13B; 14A and 14B are both main guide rails 17A. , 17B on the first inclined angle portions 17A ₂ , 17B ₂ , so that the car 9 can skew while maintaining a horizontal state.

Although the description has been given of the case where the car skews from the lower side to the upper side in the hoistway, the car keeps the horizontal state similarly when the car slops from the upper side to the lower side. Can be skewed.

As described above, according to this embodiment, even when the skew angle changes, the car can always be held horizontally and moved up and down. In addition, as a configuration for this purpose, the holding guide rails 18A, 1
8B, and only the third wheels 19A, 19B are provided concentrically with the first wheels 13A, 13B.

FIGS. 3 and 4 are a plan view of a skew elevator according to another embodiment of the present invention and a sectional view taken along line AA of FIG. In these figures, FIG. 1, FIG. 2, FIG.
8 denote the same or equivalent components, and a detailed description thereof will be omitted.

In this embodiment, a pair of left and right main guide rails 20A and 20B laid on the inclined surface 2a of the installation portion 2 via the bracket 15 respectively have first inclined angle portions 20A ₁ and 20B having an inclined angle θ ₁ . ₁ and second inclination angle portions 20A ₂ , 20B ₂ having an inclination angle θ ₂ larger than the inclination angle θ ₁ , and further outside the main guide rails 20A, 20B at a position Z at which the inclination angle changes. From a slightly lower position to an upper position, a pair of left and right holding guide rails 21A, 21B are interposed via the bracket 15 to form the main guide rails 20A, 20A.
While being laid in the second tilt angle portion 20A _2, the inclination angle equal to the inclination angle theta ₂ of 20B ₂ B, the second inclination angle portions of the main guide rails 20A, 20B at the portion of its upper side 2
It is integrated with 0A ₂ and 20B ₂ . In addition, the long legs 11A and 11B on the slope descending side are connected to the second wheels 14A and 14B.
Is extended further below the mounting position of the third wheel 19A, 19B at the lower end thereof, the second wheel 14A, 14B
The other side of B, that is, the outside, is rotatably supported by a pin 12.

Therefore, for example, when the car 9 is skewed upward and downward in the hoistway, first the first wheels 13A and 13B and the second wheels 14A and 14B are both connected to the main guide rails 20A and 20B. First tilt angle part 2
The car 9 rolls on 0A ₁ and 20B ₁ , and the car 9 rises while maintaining a horizontal state. Then, the first wheel 10A, 10B is the main guide rail 20A, the inclination angle of 20B passes the position Z that varies, second wheel 14A, 14B begins lifting the first inclined angle portion 20A _1, 20B ₁ However, since the third wheels 19A, 19B are engaged with the holding guide rails 21A, 21B and rolled thereon slightly shortly therefrom, the car 9 keeps its horizontal state and skews as it is. be able to.

FIGS. 5 and 6 are a plan view and a sectional view taken along line BB of a skew elevator according to still another embodiment of the present invention.

In this embodiment, the embodiment shown in FIGS.
Contrary to the form, a pair of left and right main guide rails 22A, 22A
A first inclined angle portion 22A below B₁, 22B₁Inclination
Angle θ ₁Is the upper second inclined angle portion 22A_Two, 22B_Twoof
Tilt angle θ_TwoIt is getting bigger. Also accompanying this
The holding guide rails 23A and 23B are
First inclined portion 22A of the socket 22A, 22B₁, 22B₁of
Tilt angle θ₁First inclination angle portion 23A having an inclination angle equal to₁,
23B₁And the second inclination of the main guide rails 22A and 22B.
Bevel 22A_Two, 22B_TwoAngle of inclination θ_TwoInclination angle equal to
Of the second inclined angle portion 23A_Two, 23B_TwoComposed of
With the second inclination angle portion 23A_Two, 23B_TwoBut the main guy
Second inclined angle portions 22A of the drains 22A and 22B_Two,
22B_TwoIt is united with. Also, the third wheel 19
A and 19B are the downhill slopes in the embodiment of FIGS.
On the side legs 11A and 11B
In this embodiment, the legs 10A and 10B on the side of the rising slope are provided.
Mounted. That is, the short leg 10A on the slope rising side,
10B is higher than the mounting position of the first wheels 13A, 13B.
The third wheel 19 extends further downward and has a lower end at the lower end thereof.
A and 19B are opposite to the first wheels 13A and 13B, respectively.
That is, it is rotatably supported by a pin 12 on the outside.
You.

Therefore, for example, when the car 9 is skewed upward and downward in the hoistway, first the first wheels 13A and 13B and the second wheels 14A and 14B are both connected to the main guide rails 22A and 22B. First tilt angle part 2
Rolling on 2A ₁ and 22B ₁ , the car 9 rises while maintaining a horizontal state. When the first wheels 13A and 13B pass the position Z at which the inclination angles of the main guide rails 22A and 22B change, the first wheels 13A and 13B begin to float up from the _second inclination angle portions 22A ₂ and 22B ₂ , but the third wheels 13A and 13B are slightly lifted from a short time before. Wheels 19
A and 19B are engaged with the first inclined angle portions 23A ₁ and 23B ₁ of the holding guide rails 23A and 23B and are rolling on the first inclined angle portions 23A ₁ and 23B _1. Run. Thereafter, a second wheel 14A, the 14B reaches the main guide rail 22A, a second inclination angle portion 22A of the 22B _2, 22B ₂ past the position Z, the third wheel 1
9A and 19B are also the second of the holding guide rails 23A and 23B.
Since it has reached the inclination angle portions 23A ₂ and 23B ₂ , it is possible to skew while maintaining the horizontal state.

3 and 4 and FIGS. 5 and 6
In each of the embodiments shown in the above, the case where the car skews from the lower part to the upper part in the hoistway has been described. Can be held and skewed.

In each of these embodiments, similarly to the above-described embodiment, the car can always be held horizontally even when the skew angle changes, and the car can be raised and lowered. Since only the holding guide rail is provided on a part of the road and the third wheel is provided beside the first wheel or the second wheel, it can be provided with a simple configuration at a low cost.

[0023]

As described above, according to the present invention,
Even if the skew angle changes, the car can always be held in a horizontal state and can be moved up and down. In addition, a holding guide rail is provided in a part of the hoistway, and a third engagement with the holding guide rail is provided. Since only wheels are provided, an inexpensive sloping elevator with a simple configuration can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view of an oblique elevator according to one embodiment of the present invention.

FIG. 2 is a sectional view taken along line ABCDEF of FIG. 1;

FIG. 3 is a plan view of a skew elevator according to another embodiment of the present invention.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a plan view of a skew elevator according to still another embodiment of the present invention.

FIG. 6 is a sectional view taken along line BB of FIG. 5;

FIG. 7 is a plan view of a conventional inclined elevator.

8 is a sectional view taken along the line ABCD of FIG. 7;

[Explanation of symbols]

1 elevator drive motor 2 Installation unit 5 the rope 9 cab 10A, 10B slopes rising leg 11A, 11B slopes down leg 13A, 13B first wheel 14A, 14B second wheel 17A, 17B main guide rail 17A _1, 17B ₁ ; 17A ₂ , 17B ₂ First inclined portion 17A ₃ , 17B ₃ Second inclined portion (horizontal portion) 18A, 18B Holding guide rails 18A ₁ , 18B ₁ First inclined angle portion 18A ₂ , 18B ₂ the second inclined portion (horizontal portion) 19A, 19B third wheel 20A, 20B main guide rail 20A _1, 20B ₁ first inclination portions 20A _2, 20B ₂ second inclined portions 21A, 21B holding the guide rails 22A , 22B main guide rail 22A _1, 22B ₁ first inclination portions 22A _2, 22B ₂ second inclined portions 23A, 23B hold Idoreru 23A _1, 23B ₁ first inclination portions 23A _2, 23B ₂ second inclined portion

Claims (2)

[Claims] 1. A pair of left and right main guide rails provided along an inclined hoistway and having first and second inclination angles having different inclination angles from each other, and rolling on these main guide rails. A skew elevator provided with a car that travels obliquely along the main guide rail through a pair of left and right first wheels on a slope ascending side and a pair of left and right second wheels on a slope descending side. A pair of left and right third wheels are provided on the car, and a pair of left and right holding guide rails engaging with the third wheels are provided along a part of the hoistway, and the first car is driven when the car is running. When the wheel or the second wheel is disengaged from the first inclined angle portion or the second inclined angle portion of the main guide rail, the third wheel is engaged with the holding guide rail and the car is always moved. Held in a horizontal position A skew elevator characterized in that it is configured to be driven. 2. The main guide rail according to claim 1, wherein one of the first and second inclined angle portions of the main guide rail is a horizontal portion, and the holding guide rail is a first and a second of the main guide rail. A skew elevator comprising a horizontal portion and a tilt angle portion having a tilt angle equal to one of the other tilt angle portions.