JPH09240956A - Counter rail centering device of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily reduce installation cost by extensively reducing the number of temporary materials to use and kinds of the temporary materials to be prepared. SOLUTION: This device is constituted of a support part 6 made by connecting end parts of a pair of side members 6b arranged roughly in parallel by a connecting member 6a and a holding part 7 free to selectively install on a plural number of points of the connecting member 6a and free to hold a counter rail 9. Hereby, it is devised to be used as a centering device by fixing the support part 6 on a vertical frame 32 in a wide state by setting the end parts on the side to be fastened on the connecting member 6a of each of the side members 6b inward, and additionally, the support part 6 is devised to be used as a handrail for maintenance by fixing the support part 6 in a narrow state the end part of which is made outward on an upper frame 33.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator counter rail centering device.

[0002]

2. Description of the Related Art When a counter rail, which is a guide rail for a counterweight in an elevator, is installed at a predetermined position in a hoistway, a centering device as shown in FIG. I was going.

In FIG. 6, a counter rail centering device generally indicated by reference numeral 5 has a pair of grips 5a capable of gripping a counter rail (not shown), and these grips 5a are fixed at predetermined positions. And a substantially U-shaped support portion 5b fixed to the vertical frame 32 of the car 3 and being installed above the car floor 34 of the car 3,
By gripping each counter rail with each grip portion 5a, these two counter rails can be centered.

That is, first, two main rails 1 and two counter rails are temporarily installed in the hoistway, then engaged with the main rails 1 to assemble a car 3 and engage with the counter rails. By assembling a counterweight (not shown) and connecting the car 3 and the counterweight with a rope (not shown), the two are suspended in a so-called slip type. Then, the main rail 1 is centered, installed and fixed, and then the support portion 5b of the centering device 5 is provided.
When the counter rail gripped by the grip portion 5a is fixedly installed on the hoistway wall in a state where the counter rail is fixed to the vertical frame 32 of the car 3, the counter rail is fixed at a predetermined centering position. Therefore, by performing the same work while raising and lowering the car 3 by a driving device (not shown), centering and fixing of the counter rail can be performed in all steps of the hoistway.

A conventional example of this type of counter rail centering device is disclosed in Japanese Patent Laid-Open No. 6-305659.

Further, as shown in FIG.
An upper frame 33 is connected and held to the upper end of the vertical frame 32, a car floor 34 is connected and held to the lower end of the vertical frame 32, and each of the upper frame 33 and the car floor 34 is provided in the vicinity thereof. A guide shoe 31 slidably engaged with the main rail 1 is provided. Further, on the upper frame 33 of the car 3, the handrail portion 2b, which is generally U-shaped, is usually provided via the base portion 2a.
A handrail 2 for maintenance, which supports the guard rail, is provided to ensure the safety of security work, and, just below the upper frame 33, a guard fixed to the upper end of the vertical frame 32 is provided. A ceiling 4 is provided.

[0007]

The above-described conventional counter rail centering device 5 is a temporary material used only when the supporting portion 5b is installed, and the material cost and the manufacturing cost thereof are separately required. From the viewpoint of reducing the cost of the installation work of the elevator, it was difficult to say that it is a preferable device.

Further, since the shape and size of the car 3 are different depending on the model of the elevator, the conventional counter rail centering device 5 has the support portion 5b fixed to the vertical frame 32 for the type of the car 3 (of the elevator). It is necessary to prepare various types according to the model), and when the type of the counter rail is different due to the design conditions of the building, etc., set the interval between the gripping parts 5a according to the rail interval of the counter rail. Therefore, it is necessary to prepare another type of support 5b having the same shape but different attachment positions of the grip 5a. In other words, it is necessary to prepare various types of conventional counter rail centering devices 5 in order to correspond to types of cars and design conditions of buildings, and from this point also increase in installation cost of elevators. Was a factor that invites.

The present invention has been made in view of the above problems of the prior art, and its purpose is to significantly reduce the number of temporary materials to be used and the types of temporary materials to be prepared, thereby reducing the installation cost. An object of the present invention is to provide an elevator counter rail centering device that facilitates reduction.

[0010]

The above-mentioned object of the present invention is to provide a support portion formed by connecting end portions of a pair of side members arranged substantially parallel to each other with a connecting member, and a plurality of portions of the connecting member. And a grip portion capable of gripping the counter rail selectively, and by changing the fastening position between the connecting member and each of the side members, the distance between these two side members can be changed. Achieved by

For example, if the pair of side members are symmetrically shaped such that the ends of the side members to be fastened to the connecting member are opposite right-angled portions, these side members are interchanged with each other and the connection is made. By fastening the members together, the distance between the two members can be changed. Then, the pair of side members are set to a wide interval and fixed to the vertical frame of the car above the car floor, and the end portions of both side members are connected to the support portion by a connecting member. If you attach the grip,
It can function as a counter rail centering device. Also, if the installation of the counter rail is completed,
By fixing the pair of side members to a narrow space and fixing them on the car, the support portion can be utilized as a handrail for maintenance which is a main component.

In other words, the support part of the counter rail centering device according to the present invention can use the maintenance handrail which is the main component, so that the material cost and manufacturing cost of the temporary material can be greatly reduced. . Moreover, since the handrail for maintenance is manufactured according to the type of the car, the supporting portion can also be shaped according to the type of the car. Therefore, various types of temporary materials can be prepared. There is no need to keep it.

Further, since the grip portion of the counter rail centering device according to the present invention can be selectively attached to a plurality of connecting members of the supporting portion, the type of the counter rail (rail interval) varies depending on the design conditions of the building. Even in such a case, it can be easily handled by simply changing the mounting position of the grip portion.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. Here, FIG. 1 is an explanatory view showing a state where a centering device according to the present invention is installed in a car to perform centering of a counter rail, and FIG. 2 is a view showing a counter rail installation of the centering device shown in FIG. FIG. 3 is an explanatory view showing the mounting structure, FIG. 3 is an explanatory view showing the mounting structure of the gripping portion of the centering device shown in FIGS. 1 and 2, and FIG. 4 is a diagram showing the distance between the gripping parts of the centering device shown in FIGS. FIG. 5 is a plan view showing the mounting position in the case of doing the above, and FIG. 5 is an explanatory view showing the mounting structure when the supporting portion of the centering device shown in FIGS. 1 and 2 is used as a handrail for maintenance. The same parts as in FIG. 6 are designated by the same reference numerals.

In these drawings, a counter rail centering device generally indicated by reference numeral 8 is a connecting member 6a for connecting end portions of a pair of side members 6b arranged substantially parallel to each other and fixed to the car 3. A substantially U-shaped support portion 6 connected to each other,
It is roughly configured by a pair of grip portions 7 that are attached to the connecting member 6a via a base plate 10 and the like and that can grip two counter rails 9. However, each side member 6b has a symmetrical shape in which the ends of the side members to be fastened to the connecting member 6a are right-angled portions in mutually opposite directions, and specifically, the long portion 61b extending linearly. A short threaded portion 62b having a female screw hole is joined to one end of the at a right angle, and a fastening member 61a is screwed into the female screw hole.
The threaded portion 62b of each side member 6b can be fastened to the connecting member 6a. Further, the base plate 10 fastened to the connecting member 6a holds both gripping portions 7 via the pair of movable portions 11, and the fastening member 62a is screwed to the base plate 10. Female screw holes 10b for positioning and fixing the movable portion 11 are formed at various positions, so that one movable portion 11 can be selectively attached to a plurality of positions on the base plate 10.

The centering device 8 thus constructed is installed above the car floor 34 of the car 3 when the counter rail 9 is installed, and in this state, the respective grip portions 7 grip the respective counter rails 9. As a result, these two counter rails 9 can be centered. Further, if the pair of side members 6b are left-right interchanged and connected by the connecting member 6a, it is possible to form the support portion 6 in which the distance between the both side members 6b is narrowed, so that the support portion 6 is provided on the upper frame of the car 3. By fixing it on 33, the support portion 6 can be used as a handrail for maintenance after the installation of the counter rail 9 is completed.

First, the mounting structure of the centering device 8 when the counter rail 9 is installed will be described in detail.

In this case, each side member 6b is attached to the threaded portion 62 thereof.
After being fixed to the vertical frame 32 of the car 3 with b facing inward (see FIG. 2), the end portions (screw portion 62b) of both side members 6b are connected to each other using the fastening member 61a as described above. By connecting with the member 6a, the substantially U-shaped support portion 6 is installed above the car floor 34. At this time, the side members 6b are arranged on both left and right sides toward the entrance (not shown) of the car 3 provided at a position facing the counter rail 9. Separately from this, the side body 7a of the grip portion 7 is fixed to each of the pair of movable portions 11 (see FIG. 3). Specifically, the push body 7a is screwed to regulate the position in the front-rear direction, and the handle 7c having a male screw-shaped tip is screwed to regulate the position in the left-right direction to move the side body 7a. Position and fix at 11. Then, if the rail interval of the two counter rails 9 is set to the dimension A (see FIG. 4), the female screw hole 10b of the base plate 10 is selected accordingly, and the fastening member 62a is used to move as described above. The part 11 is attached to the base plate 10. Thereafter, the fastening member 63a is screwed into the female screw hole 10a near the center of the base plate 10 and the female screw hole 64a of the corresponding connecting member 6a (see FIG. 2) to mount the grip portion 7 on the base plate. 10 is fastened to the connecting member 6a. When the centering device 8 is installed in the car 3 in this manner, the counter rails 9 are gripped between the back surface contact portion 7d and the guide surface contact portion 7e of the grip portion 7, thereby providing two counter rails. Since the nine rails can be held at a predetermined centering position where the rail interval is the dimension A, if each counter rail 9 is installed and fixed to the hoistway wall in that state, the centering and fixing can be performed.

Further, when the type of the counter rail 9 is changed to one having a different rail interval due to the design conditions of the building, etc., another female screw hole 10b of the base plate 10 is selected and the movable part 11 is attached. The pair of grips 7 can be attached with a desired spacing. For example, if the rail interval of the counter rail 9 is set to a dimension B wider than the dimension A (see FIG. 4), the female screw hole 10b formed on the outer side of the base plate 10 is selected accordingly, By mounting the movable portion 11 there, the distance between the reference positions of the gripping portions 7 can be set to the dimension B.

Next, a detailed description will be given of a mounting structure in which the supporting portion 6 of the centering device 8 is used as a handrail for maintenance after the centering and fixing of the counter rail 9 is completed in all steps of the hoistway.

In this case, as shown in FIG. 5, each side member 6
car 3 with its threaded portion 62b facing outward
It is fixed on the upper frame 33. Specifically, as described above, the pair of side members 6b are left and right interchanged, and are fixed on the upper frame 33 via the base portion 6c, and the outward screwing portions 62b are connected to the connecting member 6a. If they are connected together, it is possible to form a supporting portion 6 with a narrower space between the both side members 6b, so that the supporting portion 6 is erected on the upper frame 33.
By fixing to c, the distance between the long portions 61b is set to be shorter than the entire length of the connecting member 6a, the support portion 6 is required to avoid interference with other members such as oiler during maintenance. It can be used as a handrail without any problems.

As described above, in this embodiment, the pair of side members 6b are set at wide intervals and fixed to the vertical frame 32 of the car 3 above the car floor 34, and the ends of both side members 6b are fixed. By attaching the grip portion 7 to the support portion 6 formed by connecting the portions with the connecting member 6a via the base plate 10 or the like, the counter rail centering device 8 can be functioned and the counter rail 9 can be installed. After the completion of the above, the pair of side members 6b are set at a narrow interval and fixed on the upper frame 33 of the car 3 to support the support portion 6
Can be utilized as a handrail for maintenance which is a main component, and as a result, the material cost and manufacturing cost of the temporary material can be significantly reduced. Moreover, the handrail for maintenance is a car 3
Since it is manufactured in accordance with the type of the car 3, the supporting portion 6 can also have a shape corresponding to the type of the car 3, and therefore it is not necessary to prepare many kinds of temporary materials.

Further, in this embodiment, since the gripping portion 7 can be selectively attached to a plurality of places of the connecting member 6a, when the type of the counter rail 9 (rail spacing) is different depending on the design conditions of the building and the like. Also, it is possible to easily cope with this by simply changing the mounting position of the grip portion 7, and therefore it is not necessary to prepare many kinds of the grip portion 7 and the base plate 10, which is also advantageous in cost reduction. .

[0024]

As described above, in the elevator counter rail centering device according to the present invention, when the support portion to which the grip portion is attached is set to a wide shape and fixed to the car, the counter rail is installed. It can be used as a centering device, and can be used as a handrail for maintenance, which is a main component, if the supporting part is set in a shape narrower than that and fixed on the car. Even if the type of counter rail is different, it can be easily handled by simply changing the mounting position of the gripping part with respect to the support part, so the number of temporary materials used and the types of temporary materials to be prepared can be significantly increased. It has an excellent effect that the cost can be reduced and the installation cost can be remarkably reduced.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a state where a centering device according to the present invention is installed in a car to perform centering of a counter rail.

FIG. 2 is an explanatory view showing a mounting structure of the centering device shown in FIG. 1 when a counter rail is installed.

FIG. 3 is an explanatory view showing a mounting structure of a grip portion of the centering device shown in FIGS.

FIG. 4 is a plan view showing a mounting position when the distance between the holding parts of the centering device shown in FIGS. 1 to 3 is changed.

FIG. 5 is an explanatory view showing a mounting structure when the support portion of the centering device shown in FIGS. 1 and 2 is used as a handrail for maintenance.

FIG. 6 is an explanatory view showing a state in which a conventional counter rail centering device is installed in a car.

[Explanation of symbols]

 3 Car basket 6 Support part 6a Connection member 6b Side member 7 Grip part 8 Centering device 9 Counter rail 10 Base plate 10b Female screw hole 11 Movable part 32 Vertical frame 33 Upper frame 34 Car floor

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[Procedure amendment]

[Submission date] March 18, 1996

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] Fig. 1

[Correction method] Change

[Correction contents]

FIG.

Claims (4)

[Claims] 1. A support portion formed by connecting end portions of a pair of side members arranged substantially parallel to each other with a connecting member, and a counter rail that can be selectively attached to a plurality of places of the connecting member and can hold a counter rail. The counter rail centering device for an elevator, wherein the counter rail centering device is configured so that the distance between the two side members can be changed by changing the fastening points of the connecting member and the side members. 2. The pair of side members according to claim 1, wherein the pair of side members have a symmetrical shape with end portions on the side to be fastened to the connecting member being right-angled portions in mutually opposite directions, and these side members are A counter rail centering device for an elevator, characterized in that a space between both side members can be changed by exchanging each other and fastening the connecting member. 3. The method according to claim 1, wherein a distance between the pair of side members is wide so as to fix the both side members to a vertical frame of the car, and the both side members are fixed to each other. A counter rail centering device for an elevator, characterized in that it can be changed to a narrow state for fixing to an upper frame. 4. The method according to any one of claims 1 to 3, wherein the pair of side members are fixed to each other on the car at a narrower interval than when they are used as a centering device. A counter rail centering device for an elevator, wherein the support portion can be used as a maintenance handrail.