JPH0218279A - Guide rail fixing device for elevator - Google Patents

Abstract

PURPOSE:To contrive the elimination or the reduction of labor for arrangement and a stock control or the like of a guide rail and its metal fixtures by enabling the metal fixtures in a rail side to be used in common for the guide rail of several kinds, in the case of a fixing device of the guide rail which guides a cage or a balance weight of an elevator. CONSTITUTION:A lift path wall 2 provides an anchor bolt 15 to be driven, and a wall side metal fixture 11, whose vertical piece 11b is inserted to the anchor bolt 15 and tightened, is fixed to the lift path wall 2. Successively, rail clip bolts 13, inserted to rail clips 12, are inserted to be fitted to long holes 10e, provided in vertical pieces 10b of a rail side metal fixture 10, and fitting the bolt 13 to be screwed to internal thread holes 19a of a two-eye washer 19, a guide rail 5 is tightened to the vertical piece 10b through the clips 12. Subsequently, in a condition that a horizontal piece 11a of the metal fixture 11 and a horizontal piece 10a of the metal fixture 10 are piled together and temporarily fixed, the guide rail 5 is set in a predetermined position, thereafter the horizontal pieces 10a and 11a are fixed by welding in a welded part 18. Next, the two-eye washer 19 is fixed to the vertical piece 10b by welding in a welded part 20.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to an elevator guide rail fixing device for guiding an elevator car or a counterweight.

[Conventional technology]

Figure 6 is a cross-sectional view of a typical elevator hoistway;
8 are a plan view and a front view showing a conventional elevator guide rail fixing device disclosed in, for example, Japanese Patent Laid-Open No. 59-153782. In Fig. 6, 1 is the elevator hoistway, 2 is the hoistway wall, 3 is the car, 4 is the counterweight, 5 is the car guide rail that guides the car 3, and 6 is the guide rail that guides the counterweight 4. This is a guide rail for a counterweight. Also, 7, 8.9 is the Japan Elevator Association standard IJAJEAs-AOO4A
(Type number 57-1) Gate-shaped rail bracket for car rails, Z-shaped rail bracket for car rails,
This is a type rail bracket for a counterweight rail, and has a rail side fitting and a wall side fitting, and is available in gate type, Z type,
The application criteria for shapes such as L-shape are generally determined by the height H and He dimensions of the rail bracket. In FIGS. 7 and 8, 10 is an angled rail-side metal fitting having a horizontal piece i0a and a vertical piece 10bJe' perpendicular thereto, and 11 is an angled rail-side metal fitting having a horizontal piece 11a and a vertical piece 11b perpendicular thereto. Reference numeral 12 denotes a rail clip that holds both ends of the guide rail iL 5 and is inserted into a round hole 10c with a pitch P determined by the size of the guide rail 5, and is installed on the vertical piece 10b of the rail side metal fitting 10. The rail clip 15 is inserted into the elongated hole 11C long in the left-right direction of the vertical piece 11b of the wall-side metal fitting 11. Then, the wall side fitting 11 is fastened to the hoistway wall 2 using the washer 17 and the nut 16. This is welding for fixing. Also, 10d is the rail side metal fitting 1.
0 is a round hole for the rail clip bolt 13 to use the horizontal piece 10a as the vertical piece 10b, and 1lcf is a long hole for the anchor bolt 15 to use the horizontal piece 11a of the wall side fitting 11 as the vertical piece 11b. It is. Then, for each construction, the installation position of the guide rail 5, that is, the bracket height dimension Ht! ! Measured and manufactured. In order to mass produce the rail side metal fittings 10 and wall side metal fittings 11, the horizontal piece 10a of the rail side fittings 10 was created. Dimensions hl and h2 of the vertical piece 10b and horizontal piece 11B and vertical piece of the wall-side metal fitting 11], 1 b (7) Dimension b3. h
By setting 4 to different values and combining each dimension, the bracket height dimension! The technology that made mass production possible by making it possible to apply the rail side metal fittings 10 and wall side metal fittings 11 within a certain range of l was developed in U.S. Pat.
This is shown in, for example, Japanese Patent No. 132170. Next, a method for attaching a guide rail in the above-mentioned guide rail fixing device will be explained. First, the anchor bolt 15 is installed at a position suitable for fixing the guide rail 5 on the hoistway wall 2, the long hole 11c of the vertical piece 11b of the wall side metal fitting 11 is passed through the anchor bolt 15, and the nut 16 is tightened. The side fittings 11 are fixed to the hoistway wall 2. Note that machining errors in drilling the anchor bolt 15 are absorbed by the elongated hole 11c. Also, the horizontal piece 11 of the wall-side metal fitting 11. If you adjust the horizontal inclination of a, use the vertical elongated hole 1 of the anchor bolt 15.
Do it at 1C. Next, attach the guide rail 5 to the rail side metal fitting 1.
The vertical piece 10b of 0 is fastened via the rail clip 12 with the rail clip pole l-13 and nut 14. And on the horizontal piece 11a of the wall-side metal fitting 11? Overlap the horizontal pieces 10aje of the rail side metal fittings 10, these horizontal pieces 1
1a and 10a are temporarily fixed using a hand vise clamp (not shown) or the like, set the guide rail 5 at a predetermined position with reference to the piano wire (not shown), and then tighten the rail side metal fittings 10. The horizontal piece 10a and the horizontal piece 11a of the wall fitting 11 are fixed by welding 18.

[Problem to be solved by the invention]

The conventional elevator guide rail fixing device is constructed as described above, and the left and right holes through which the rail clips that hold the guide rail between the rail side metal fittings are inserted are round holes with a pitch and size determined by the rail size. It is necessary to use different rail side metal fittings depending on the size of the guide rail. On the other hand, the WM of the guide rail is based on the above-mentioned Japan Elevator Association standard collection JEAS-005 (Standard 5).
8, 13, 18, 24°30 described in 7-3)
．． In addition to the 37.50kg rail, there are nine types, including 5.9kg rails made of molded steel plates. Also, the shape of the rail bracket is the height of the rail bracket H, H
In addition to the above-mentioned gate-shaped rail bracket for car rails and Z-shaped rail bracket for car rails, there are chevron-shaped brackets for car rails and brackets for common use with car rail counterweight rails, depending on the dimension e and the purpose of the elevator. Therefore, if all rail brackets were to be mass-produced by standardizing rail brackets of each shape, the number of types of rail brackets would be hundreds, which would not only increase production costs but also increase the cost for each construction work. There was a problem in that selection of rail brackets suitable for the site, inventory management, etc. were complicated. This invention was made in order to solve the above-mentioned problems, and allows the rail side metal fittings to be shared for several types of guide rails, reducing the number of types of rail brackets I, and reducing the arrangement and inventory of these. The purpose is to save labor in management, etc., and to replace the guide rail fixing device for elevators that can prevent the guide rail from slipping.

[Means to solve the problem]

The elevator guide rail fixing device according to the present invention includes:
Provide the left and right long holes in the vertical piece of the rail side metal fittings into which the rail clip bolts are inserted, at least one of these long holes should be a horizontally long hole, and the left and right holes should have female threaded holes or round holes for the rail clip bolts. Place the provided second washer on the side opposite to the guide rail of the rail side metal fitting, and insert the above-mentioned screw clip bolt, which is inserted into the hole of the rail clip into the elongated hole of the vertical piece of the rail side metal fitting, into the washer. The guide rail is fastened to the vertical piece of the rail side metal fitting by fitting it into a screw hole or a round hole.

[For production]

In the guide rail fixing device of the present invention, the hole for the rail clip bolt in the rail side metal fitting is a horizontally elongated hole to which guide rails of different sizes can be attached, and the pitch and size are determined by the size of the guide rail. Since the rail clip bolt is tightened using a second washer with a round hole, the rail side metal fittings can be used in common for several types of guide rails, reducing the number of types of rail brackets. Since this is used, it is possible to prevent the guide rail from shifting.

【Example】

An embodiment of the present invention will be described below with reference to FIGS. 1 to 5. In these figures, the same reference numerals as in FIGS. 6 to 8 indicate the same or corresponding parts. In Figures 1 to 5, 10e is the rail side metal fitting 1.
Both the left and right sides provided on the vertical piece 10b of 0 are long in the lateral direction and are formed as follows. That is, the left side is for sharing the rail side fittings 10 for several types of guide rails 5 of similar sizes, for example, 5 kg rails, 8 kg rails, and 13 kg rails. The pitch dimension P and the elongated hole size of the right elongated hole 10c are 5.
Installation pitch dimensions of rail clip bolts 13 and bolts 13 for kg rail, 8 kg rail, and 13 kg rail
Since the size of is as shown in Table 1 below, the pitch dimension P
= 95ffl! ll, long hole size 14 x 30m
Just set it to +i. 19 is a second washer, and this washer 19 has left and right female threaded holes 19a with a constant pitch P determined by the sizes of the guide rail 5 and the rail clip bolt 13, for example, 8 kg rail, 9 kg rail, 13 kg rail. The pitch P and size of the female threaded holes 19a of the second washer 19 for the rail clip bolts are set as shown in Table 1 above, and one each is provided so as to be located on both sides of the guide rail 5, Also, the second washer 19 is the rail side metal fitting 10
It is arranged on the side opposite to the guide rail 5 of the vertical piece IQb. 20 is welding for fixing the second washer 19 to the vertical piece 10b of the rail-side metal fitting 10 in order to prevent the guide rail 5 from shifting within the elongated hole 10d of the rail-side metal fitting 10. 10f connects the horizontal piece 10a of the rail side metal fitting 10 to the vertical piece 1.
This is an elongated hole into which the rail clip bolt 13 is inserted when used as 0b. Next, a method for attaching a guide rail in the guide rail fixing device according to this embodiment will be explained. First, similar to the conventional guide rail fixing device, the anchor bolt 15 is driven into the hoistway wall 2, the vertical piece 11b of the wall side metal fitting 11 is inserted into the anchor bolt 15, and the wall side metal fitting 11 is tightened.
1 is fixed to the hoistway wall 2. Next, rail side metal fittings 1
A rail clip bolt 1 is inserted into a rail clip 12 through a horizontally long elongated hole 10e provided in a vertical piece 10b of 0.
3, and insert the rail clip into the female threaded hole 19a of the second washer 19! 13, and tighten the guide rail 5 to the vertical piece 10b via the rail clip 12. Next, the horizontal piece 11a of the wall side metal fitting 11 and the horizontal piece 10a of the rail side metal fitting 10 are overlapped, and with these horizontal pieces 11a and 10a temporarily fixed using a hand vise clamp (not shown) or the like, the guide rail is attached. 5 with piano wire (
(not shown) as a reference, and then the horizontal piece 10a of the rail-side metal fitting 10 and the horizontal piece 11a of the wall-side metal fitting 11 are fixed by welding 18. Next, in order to prevent the guide rail 5 from slipping, a second washer 19 is fixed to the vertical piece 10b of the rail side metal fitting 10 by welding 20. In addition, the vertical piece 10 of the guide rail 5 and the rail side metal fitting 10
If an adjustment liner (not shown) is provided between the center and the center point b, the centering can be adjusted even after welding 18.20. In this embodiment, since the second washer 19 having the left and right female holes 19a is used, it is possible to prevent the rail clip bolts 13 from rotating when tightening them, and a locking wrench can be used. This eliminates the need for installation work, which improves installation workability. In the above embodiment, the length of the rail clip bolt of the rail side metal fitting is such that both the left and right elongated holes are elongated in the horizontal direction. It is also possible to form a longitudinally elongated hole, which also produces the same effect as the above embodiment. Further, in the above embodiment, a Z-shaped rail bracket applied to a car side guide rail was shown, but the present invention can be applied to rails of various shapes such as a gate-shaped rail bracket for car rails and a counter-weight rail bracket. It may also be applied to a bracket (these also have the same effect as the above embodiment.Furthermore, in the above embodiment, the second washer 20 was shown as having two female screw holes 20a, Instead of using round holes that are precisely drilled to match the size of the rail clip bolt 13, a nut may be screwed into the bolt 13.

【Effect of the invention】

As explained above, according to the present invention, at least one of the left and right elongated holes of the rail clip bolt provided in the vertical piece of the rail-side metal fittings that clamp the guide rail is made into a horizontally long elongated hole. Place a second washer with female threaded holes or round holes of a certain pitch and size determined by the size on the side opposite to the guide rail of the vertical piece of the rail side bracket, and insert the rail clip bolt into the female threaded holes or round holes mentioned above. Since the rail side metal fittings can be used in common for several types of guide rails, the number of types of rail brackets can be greatly reduced, the guide rail fixing device can be made cheaper, and the rail bracket arrangement can be made easier. This has the effect of saving labor in indirect operations such as inventory management, and furthermore, since a second washer is used, it is possible to prevent the guide rail from shifting.

[Brief explanation of the drawing]

FIG. 1 is a plan view showing a fixing device for a Z-shaped car guide rail of an elevator according to an embodiment of the present invention;
The figure is a front view of FIG. 1, and FIGS. 3, 4, and 5 are the rail side metal fittings shown in FIG. 1. FIG. 6 is a cross-sectional view of the elevator hoistway, and FIG. 7 is a conventional elevator Z-shaped car guide rail fixing device. The plan view, FIG. 8, is a front view of FIG. 7. 2... Hoistway wall, 5... Car guide rail, 8...
Z-shaped rail bracket for car rail, 10--Rail side metal fitting, 10b--Vertical piece, 10e--Elongated hole, 11
...Wall side bracket, 12 Rail clip, 13-Rail clip pol 1-119...Second washer, 19a, female hole. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] Fasten the vertical piece of the wall side metal fitting to the hoistway wall, fasten the guide rail to the vertical piece of the rail side metal fitting with a rail clip, and overlap and fix the horizontal piece of the wall side metal fitting and the horizontal piece of the rail side metal fitting. In a guide rail fixing device for an elevator, the vertical piece of the rail side metal fitting is provided with left and right elongated holes through which the rail clip bolts are inserted, at least one of these elongated holes is a horizontally elongated hole, and the rail clips are inserted into the left and right sides. A second washer with a female threaded hole or a round hole for the bolt is provided on the side opposite to the guide rail of the rail side metal fitting, and the rail is inserted through the hole of the rail clip into the long hole of the vertical piece of the rail side metal fitting. A guide rail fixing device for an elevator, characterized in that the guide rail is fastened to a vertical piece of a rail side metal fitting by fitting a clip bolt into a female threaded hole or a round hole of the washer.