JPH0757676B2 - Elevator guide rail mounting device - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

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

[Prior art]

FIG. 4 and FIG. 5 show a conventional elevator guide rail mounting device disclosed in, for example, Japanese Utility Model Laid-Open No. 55-11996. In FIGS. 4 and 5, 1 is a guide rail, 2 is an angled rail side metal fitting having a horizontal piece 2d and a vertical piece 2e perpendicular thereto, and a hole 2a is formed in the vertical piece 2e and a horizontal piece 2d.
Slotted holes 2b for adjusting the position of the guide rail 1 in the depth direction are formed in each of them. Reference numeral 3 is a rail clip, 4 is a bolt to be inserted into the rail clip 3 and the vertical piece 2e of the rail-side metal fitting 2, 5 is a nut, and 6 is a spring washer. Piece
It is fixed at 2e. Reference numeral 7 is an angled wall-side metal fitting that has a horizontal piece 7d and a vertical piece 7e that is perpendicular to the horizontal piece and forms a rail bracket together with the rail-side metal fitting 2. The vertical piece 7e has an elongated hole 7a corresponding to the displacement of the anchor bolt 8. However, elongated holes 7b for adjusting the horizontal position of the guide rail 1 are formed in the horizontal piece 7d. Reference numeral 9 is a nut, 10 is a spring washer, and the vertical piece 7e of the wall side metal fitting 7 is fixed to the hoistway wall 11 by these and the anchor bolt 8. 12 is a bolt that is inserted into the elongated holes 2b and 7b, 13 is a nut, and 14 is a spring washer. Depending on these parts, the horizontal piece 7d of the wall side metal fitting 7 and this horizontal piece
The horizontal piece 2d of the rail-side metal fitting 2 superposed on the 7d is fastened and fixed. Reference numeral 15 is a reference line made of a piano wire for centering the guide rail 1, and the reference line 15 is stretched vertically for each guide rail from the top of the hoistway to the pit. Reference numeral 16 is welding for preventing the rail-side metal fitting 2 and the wall-side metal fitting 7 from being displaced. By the way, the guide rail 1 can be erected vertically with reference to the reference line 15, but since the flatness of the hoistway wall 11 on which the guide rail 1 is mounted is not so high, the hoistway wall 11
The dimension H (see FIG. 4) between the guide rail 1 and the mounting surface for the rail-side metal fitting 2 vertical piece 2e is not constant.
For this reason, the rail-side metal fitting 2 fixed to the guide rail 1 by the bolt 4 via the rail clip 3 and the wall-side metal fitting 7 fixed to the hoistway wall 11 by the anchor bolt 8 constitute a rail bracket. Horizontal piece of side fitting 2
2d and the horizontal piece 7d of the wall side metal fitting 7 are formed so as to be orthogonal to each other by inserting a bolt 12 into the long hole 2b and the long hole 7b to connect the both metal fittings 2 and 7, and at this time, The variation of the dimension H is adjusted by 2b and 7b. However, a very large force may be applied to the rail bracket during an earthquake, etc., and the rail-side metal fitting 2 and the wall-side metal fitting 7 may slide on each other, causing the vertical accuracy of the guide rail 1 to be deviated. Therefore, in order to prevent this, the horizontal piece 2d of the rail-side metal fitting 2 and the horizontal piece 7d of the wall-side metal fitting 7 are welded 16 after tightening the bolt 12, or a large size bolt or a high tension bolt is used. It is tightened with great force.

[Problems to be Solved by the Invention]

The conventional elevator guide rail mounting device is configured as described above, and by increasing the size of the bolt 12 or using the bolt 12 as a high tension bolt, the bolt 12 can be tightened in a limited space. It is difficult to work, and the rail side and wall side metal fittings that compose the rail bracket 2,7
There is a problem that it is necessary to make On the other hand, welding after positioning the horizontal piece 2d of the rail-side metal fitting 2 and the horizontal piece 7d of the wall-side metal fitting 7 requires a long working time and is expensive, and the welding distortion of the bracket causes the vertical distortion of the guide rail 1. There is a problem that it causes a decrease in accuracy, and there is a risk of fire in the removal of elevators in existing buildings and new construction. The present invention has been made to solve the above problems, and eliminates the welding work of the metal fittings on the rail side and the metal fittings on the wall side, and improves the vertical accuracy of the guide rail due to the welding distortion of the bracket composed of these metal fittings. It is possible to prevent lowering of fires and fires in existing buildings, increase the size of the bolts that fasten both metal fittings, and do not use high-tensile bolts. The purpose is to obtain a rail mounting device.

[Means for solving problems]

An elevator guide rail mounting device according to the present invention comprises:
In the case where the wall-side metal fittings that compose the rail bracket and the horizontal pieces of the rail-side metal fittings are overlapped, the nuts are tightened to the bolts inserted in the holes of these horizontal pieces, and the horizontal pieces of the both metal fittings are fastened, these horizontal pieces At least one of which is provided with a projecting portion which projects from the facing surface and comes into contact with the horizontal piece of the metal fitting on the other side, and these projecting portions are deformed by tightening the above bolts, and the horizontal pieces of both metal fittings are placed between these horizontal pieces. It is adhered with an intervening microcapsule type adhesive that cures at room temperature.

[Action]

The guide rail mounting device according to the present invention is provided between the horizontal piece of the wall-side metal fitting and the horizontal piece of the rail-side metal fitting, and the protrusion provided on at least one of the horizontal pieces allows the space between the horizontal pieces of the two metal fittings. The intervening microcapsule type adhesive that cures at room temperature can secure a gap with a thickness that does not crush the microcapsules, and the positioning operation of both metal fittings can be performed without curing reaction of the adhesive. The protruding part is deformed by the tightening force of the bolt and nut in the axial direction of the bolt, the microcapsules are crushed by the horizontal pieces of both metal fittings, and the curing agent filled and sealed in these causes a chemical reaction in the adhesive. , The adhesive is hardened and the horizontal pieces of both fittings are bonded at room temperature. Therefore, the horizontal pieces of both metal fittings can be joined with a large bonding force by using the bolts and nuts together with the microcapsule type adhesive that cures at room temperature, and even if a large horizontal load acts on the guide rail during an earthquake, it will not It is possible to prevent the vertical accuracy of the guide rails from being disturbed without using bolts or high-tensile bolts or welding the horizontal pieces of both metal fittings.

【Example】

An embodiment of the present invention will be described below with reference to FIGS. In FIGS. 1 and 2, the same reference numerals as those in FIGS. 4 and 5 denote the same or corresponding parts, and 17 denotes the horizontal piece 7d of the wall-side metal fitting 7.
It is a microcapsule type adhesive which is interposed between the rail and the horizontal piece 2d of the rail-side metal fitting 2 and cures at room temperature. As shown in FIG. ,
The hardener is hermetically filled in the microcapsules 17b having the diameter D. Further, 7f is a protruding portion formed by protruding from the upper surface of the peripheral portion of the elongated hole 7b provided in the horizontal piece 7d of the wall-side metal fitting 7. Then, in a state where the horizontal piece 7d of the wall side metal fitting 7 and the horizontal piece 2d of the rail side metal fitting 2 are overlapped with each other, the protruding portion 7f is formed.
Abuts the underside of the rail-side metal fitting 2, and the horizontal piece 7d and horizontal piece 2d
A gap T is formed on the opposing surface of. This gap T is a horizontal piece 7
The thickness of the adhesive 17 interposed between d and 2d,
When the gap T becomes smaller than the diameter D of the microcapsules 17b of the adhesive 17, the microcapsules 10b are crushed and the curing agent is mixed in the main agent 17a, a chemical reaction occurs, the adhesive 17 is cured, and the horizontal pieces 7d, 2d are formed. To be glued. Also, the protrusion 7f can be processed at the same time as punching the elongated hole 7b by using a special tool, and it is pressed against the lower surface of the horizontal piece 2d by the axial force due to the tightening of the bolt 12 to the nut 13, and the standard tightening torque of the bolt 12 The rigidity is such that it is deformed by the axial force generated by and is almost completely crushed. The construction of this embodiment other than that described above is substantially the same as that shown in FIGS. 4 and 5, but the horizontal pieces 7d and 2d are not welded. Next, the mounting operation of the guide rail 1 according to this embodiment will be described. First, the anchor bolt 8 is fixed to the hoistway wall 11, and the wall side metal fitting 7 is fixed to the hoistway wall 11 by the anchor bolt 8.
To conclude. After that, the adhesive 17 is applied to the upper surface of the horizontal piece 7d of the wall-side metal fitting 7, and in this state, the horizontal piece 2d of the rail-side metal fitting 2 fastened to the guide rail 1 with the bolt 4, the nut 5, etc. via the rail clip 3. On the horizontal piece 7d of the wall side metal fitting 7. Further, the bolt 12 is inserted into the long holes 7b, 2b of the horizontal pieces 7d, 2d, and the protruding portion 7f protruding above the peripheral portion of the long hole 7b of the horizontal piece 7d is brought into contact with the lower surface of the horizontal piece 2d to make the horizontal piece 7d. The horizontal pieces 7d, 2d are temporarily fixed by temporarily fastening the bolt 12 to the nut 13 so that the gap T between the 2d and 2d does not become smaller than the diameter D of the microcapsule 17b. In this state, the guide rail 1 is centered with reference to the reference line 15. By the way, in the room-temperature-curing type adhesive, generally, the time until the curing is started by a chemical reaction after the main agent and the curing agent are mixed, that is, the pot life greatly differs depending on the temperature. For this reason, when performing bonding work throughout the year, it is the average temperature of the year.
The base resin and curing agent are blended so that the pot life with the best workability is about 15 to 20 ° C. Therefore, in the bonding work in the summer, the time until the curing of the adhesive is started is shorter than that in the work in the winter, and therefore it is necessary to carry out the work in a short time. However, since the guide rail 1 is centered when the gap T between the horizontal pieces 7d and 2d is larger than the diameter D of the microcapsule 17b filled with the curing agent of the adhesive 17, the microcapsule 17b is crushed. Since the main agent 17a is not mixed with the curing agent, there is no problem even if the centering work time becomes long in summer or the work is interrupted. Also, the horizontal pieces 7d and 2d are
Since only the horizontal pieces are in contact with each other, the horizontal piece 2d can be easily moved in the horizontal direction, and an appropriate friction holding force is generated.Therefore, the horizontal pieces 7d and 2d need not be temporarily fixed with a jig or the like. However, it does not move naturally due to internal stress. After centering and positioning the guide rail 1 as described above, tighten the bolt 12 with the standard torque value (bolt size M16
Fully tighten to about 100 kg-cm), and fasten the horizontal piece 7d of the wall side metal fitting 7 and the horizontal piece 2d of the rail side metal fitting 2. By the fastening, the interval T between the horizontal pieces 7d, 2d becomes smaller than the diameter D of the microcapsule 17b because the protrusion 7f is pressed against the horizontal piece 2d by the axial force generated by the final tightening of the bolt 12, and these The capsule 17b is crushed and the curing agent is the main agent 17a
Mix in. For this reason, the adhesive 17 causes a chemical reaction and is cured, and the horizontal pieces 7d and 2d are bonded to each other. Therefore, the centering work of the guide rail 1 is not limited in time even in the summer, and the horizontal piece 7
Since it is not necessary to temporarily fix d and 2d, the wall side metal fitting 7 and the rail side metal fitting 2 can be fixed with good work efficiency. In the above-mentioned embodiment, the protrusion 7f is a horizontal piece of the wall side metal fitting 7.
Although it is projected to the peripheral portion of the elongated hole 7b provided in 7d, the present invention,
The protruding portion may be provided on the peripheral portion of the elongated hole 2b of the horizontal piece 2d of the rail-side metal fitting 2, and may abut on the opposite side to the central portion of both or one of the horizontal pieces 7d and 2d of the both metal fittings 7 and 2. You may provide like this.

【The invention's effect】

As described above, according to the present invention, at least one of the horizontal piece of the wall-side metal fitting and the horizontal piece of the rail-side metal fitting is provided with the protruding portion that projects from the facing surface and contacts the horizontal piece of the mating metal fitting. , Superimpose the horizontal pieces of the two metal fittings, tighten the horizontal pieces with bolts, deform the protruding part, and crush the microcapsules of the microcapsule type adhesive that is interposed between the horizontal pieces and hardens at room temperature. Then, the curing agent filled in these capsules is mixed with the main agent of the above adhesive, and the adhesive is cured, so that the horizontal pieces of both metal fittings are combined with a large bonding force by the combined use of bolts, nuts and adhesive. This enables the vertical accuracy of the guide rail to be maintained even when a large horizontal load is applied in the event of an earthquake without using large bolts or high tension bolts or welding the horizontal pieces of both metal fittings. To ensure that no I have, can often work at the time of centering, also there is an effect that it is the installation of the guide rail without fear of occurrence of fire and welding distortion in the existing building.

[Brief description of drawings]

FIG. 1 is a plan view showing an elevator guide rail mounting apparatus according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view taken along the line II-II of FIG. 1 in a temporarily bolted state, and FIG. 3 is a microcapsule type. FIG. 4 is a plan view showing the structure of the adhesive, FIG. 4 is a plan view showing a conventional elevator guide rail mounting device, and FIG. 5 is a front view of FIG. 1 ... Guide rail, 2 ... Rail side metal fitting, 2b ... Oval hole, 2d ... Horizontal piece, 7 ... Wall side metal fitting, 7b ... Oval hole, 7d ...
… Horizontal piece, 7f …… Projection part, 11 …… Hoistway wall, 12 …… Bolt, 13 …… Nut. The same reference numerals in the drawings indicate the same or corresponding parts.

Claims (1)

[Claims] 1. A rail bracket comprising a wall-side metal fitting fastened to a hoistway wall and a rail-side metal fitting fastened to a guide rail, wherein horizontal pieces of the two metal fittings are overlapped with each other, and holes are provided in these horizontal pieces. Tighten the nut to the bolt inserted in
In an elevator guide rail mounting device for fastening the horizontal pieces of both metal fittings, at least one of the horizontal pieces of both metal fittings,
Forming a protrusion that protrudes from the facing surface and abuts on the horizontal piece of the metal fitting on the other side and is deformed by the tightening force of the above bolt, and hardens the horizontal piece of both metal pieces at room temperature interposed between these horizontal pieces. An elevator guide rail mounting device characterized by being bonded with a microcapsule type adhesive.