JPH0747455B2 - Elevator guide rail mounting device - Google Patents

Description

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

[Conventional technology]

FIGS. 5 and 6 show a guide rail mounting portion of a conventional elevator shown in, for example, Japanese Utility Model Publication No. 55-11996 (FIGS. 3 to 9). In FIGS. 5 and 6, reference numeral 1 is a guide rail. Reference numeral 2 is an angled rail-side metal fitting having a horizontal piece 2d and a vertical piece 2e perpendicular thereto. A hole 2a is formed in the vertical piece 2e, and a long hole 2b for adjusting the position of the guide rail 1 in the depth direction is formed in the horizontal piece 2d. Reference numeral 3 is a rail clip. Reference numeral 4 is a bolt which is inserted through 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. The guide rail 1 is fixed to the vertical piece 2e of the rail-side metal fitting 2 by these components. Reference numeral 7 is an angled wall side metal fitting having a horizontal piece 7d and a vertical piece 7e perpendicular thereto. This vertical piece
7e has an elongated hole 7a corresponding to any of the anchor bolts 8, and horizontal piece 7d has an elongated hole 7b for adjusting the horizontal position of the guide rail 1.
Are formed respectively. 9 is a nut and 10 is a spring washer.
The vertical piece 7e of is fixed to the hoistway wall 11. 12 is long hole 2
Bolts inserted into b and 7b, 13 is a nut, and 14 is a spring washer.
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 wire for centering the guide rail 1, and the reference wire 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.

Next, a conventional mounting method of the guide rail will be described. First, fix the anchor bolt 8 at a position suitable for fixing the guide rail 1 on the hoistway wall 11 by driving or the like,
By fitting the long hole 7a of the vertical piece 7e of the wall side metal fitting 7 into the anchor bolt 8 and tightening the vertical piece 7e to the hoistway wall 11 using the washer, the spring washer 10, and the nut 9, the wall side metal fitting 7 is moved to the hoistway. wall
Fixed at 11. Next, the bolt 4 inserted into the rail clip 3 is inserted into the hole 2a provided in the vertical piece 2e of the rail-side metal fitting 2 and the guide rail 1 and the rail clip 3 are attached to the vertical piece 2e using the spring washer 16 and the nut 5. Tighten through.

Then, the wall-side metal fitting 7 and the horizontal pieces 7d and 2d of the rail-side metal fitting 2 are overlapped with each other, and the bolt 12 is inserted into the long holes 7d and 2b previously provided in the horizontal pieces 7d and 2d, and the spring washer 14 and the nut Temporarily fix the horizontal pieces 7d and 2d using 5, and use the A from the reference wire 15.
And B dimension, and further tighten the bolt 12. After that, in order to prevent the rail-side metal fitting 2 from being displaced with respect to the wall-side metal fitting 7, these horizontal pieces 2d and 7d are welded 16 or a knock pin (not shown) is driven, so that the rail-side metal fitting 2 and the wall side are The metal fitting 7 is fixed.

[Problems to be Solved by the Invention]

The conventional installation of elevator guide rails is performed as described above, and the holes 2b and 7b for fixing the wall-side metal fittings and the rail-side metal fittings with bolts are long holes that are orthogonal to each other. When a shock load is applied to the metal fitting 2, they may be displaced within the shape range of the long hole into which the bolt is inserted. To prevent this deviation, it is necessary to take measures by increasing the size of the bolt or fixing the wall side metal fitting and the rail side metal fitting by welding or driving a knock pin. Due to this, the construction cost becomes expensive,
There has been a problem that the accuracy of mounting the guide rail is lowered due to hitting of knock pins and the like.

The present invention solves the above-mentioned problems and provides holes without gaps for bolts in the metal fittings on the wall side and the metal fittings on the rail side, so that these fittings have no countermeasures such as welding or knock pin driving. Another object of the present invention is to provide an elevator guide rail mounting device that can be fixed with high precision and at low cost by using small bolts.

[Means for Solving the Problems]

An elevator guide rail mounting device according to the present invention comprises:
The vertical piece of the wall-side metal fitting having the horizontal piece and the vertical piece perpendicular thereto is fastened to the hoistway wall, and the vertical piece of the rail-side metal fitting having the horizontal piece and the vertical piece perpendicular thereto is fastened to the guide rail. A device for drilling bolt holes in the horizontal pieces of both the metal fittings after positioning the horizontal pieces of the wall-side fittings and the horizontal pieces of the rail-side fittings by superposing
A mounting base for mounting on the guide rail, a guide shaft provided in a vertical direction on the mounting base, a spring that is provided to the guide shaft via a spring, can be manually elastically moved up and down, and the guide shaft can be mounted so as to straddle the guide rail. It has a frame having a character shape and a motor drill device provided at both ends of the substantially U shape of the frame.

[Action]

After the guide rail has been positioned, it is possible to drill bolt holes in the horizontal pieces of both metal fittings.Therefore, it is necessary to create a gap between bolts by previously forming a long hole as in the prior art. There is no.

Further, the device according to the present invention is attached to the guide rail. Therefore, it is not necessary to align the device with the metal fittings. Furthermore, when positioning this guide rail, it is possible to finish the installation of this device to the guide rail already, so that the positioning accuracy of the guide rail already positioned by the mounting is deteriorated. Absent.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

1 to 4, the same reference numerals as those in FIGS. 5 and 6 indicate the same or corresponding portions. Device 17 according to this embodiment
Is configured as follows. That is, the guide shaft 19 is fixed in the vertical direction with respect to the mounting base 18, the substantially U-shaped frame 20 is fitted to the guide shaft 19, and can be moved up and down along the guide shaft 19. The U-shape of the frame 20 has a U-shape in the side view as shown in FIG. 1 and also has a U-shape in the plan view as shown in FIG. The U-shape in the plan view is a shape for making a hole across the guide rail 1. The U-shape of the side view is a shape for attaching a spring for elastically raising and lowering the elevator as described later. In addition, the motor 21 whose rotation speed is controlled is fixed to the motor mount 22.
22 are fixed to the U-shaped ends of the frame 20 with bolts 23. Further, the stopper 24 is fitted to the guide shaft 19 and fastened to the guide shaft 19 with the bolt 25.
The upper part of the frame 20 is supported by 24 via a spring 26.

One end of a hinge lever 27 is pivotally attached to the stopper 24, an end of a handle 28 is rotatably attached to the other end of the hinge lever 27, and an intermediate portion of the handle 28 is pivotally attached to an upper end of the frame 20. It is pivotally attached to the department. As a result, the handle 28 can be operated to move the frame 20 up and down elastically.

As described above, two motors 21 are arranged on both sides of the guide shaft 19, that is, both ends of the frame 20. A drill chuck 30 is fixed to the tip of the motor 21. A drill 31 is detachably held on the drill chuck 30.
Are rotated by a motor 21.

As shown in FIG. 3, 32 is a bolt 33 provided on the mounting base 18.
Is a wedge that moves up and down, and 34 is a concave rail holding portion provided on the mounting base 18. As a result, the frame 20 is attached to the guide rail 1 at an arbitrary position.

Next, a method of mounting the guide rail according to this embodiment will be described. First, the anchor bolt 8 is fixed to the hoistway wall 11 at a position suitable for fixing the guide rail 1. That is, the oblong hole of the vertical piece 7e of the wall side metal fitting 7 is fitted into the anchor bolt 8, and the washer, the spring washer 10, the nut 9
By tightening the vertical piece 7e to the hoistway wall 11 using
The wall side metal fitting 7 is fixed to the hoistway wall 11. Next, the bolt 4 inserted into the rail clip is inserted into the hole provided in the vertical piece 2e of the rail-side metal fitting 2, and the guide rail 1 is fastened to the vertical piece 2e via the clip 3 using a washer, a spring washer and a nut.
Then, the wall-side metal fitting 7 and the horizontal pieces 7d and 2d of the rail-side metal fitting 2 are overlapped, and the A and B dimensions from the reference wire 15 are obtained,
Position and fix with a hand vise (not shown).

After that, the device according to this embodiment is moved to a place suitable for the drilling position
Grasp 17 and hold the rail holder 34 on the mount 18.
When the guide rail 1 is put in and the bolt 33 is tightened, the wedge 32 presses the guide rail (see FIG. 3), and the device 17 is fixed to the guide rail 1.

Then, by pushing down the handle 28 of the device 17, the frame 20 is lowered by the lever principle, and a series of holes is drilled in the horizontal pieces 2d, 7d by the drill 31.

After that, insert a bolt into the drilled hole, remove the hand vice that was fixing the horizontal pieces 2d and 7d using the spring washer and nut, and complete the fixing of the horizontal pieces 2d and 7d. Installation of the rail 1 is also completed.

In this embodiment, the motor mounting base 22 is moved in the directions of arrows (a) and (b) in FIG. 4 by using the long holes of the frame 20 and the motor mounting base 22 to move the hitch and The position from the guide rail can be changed.

〔The invention's effect〕

As described above, according to the elevator guide rail mounting apparatus according to the present invention, it is possible to make holes in both the metal fittings after the guide rails have been positioned. Therefore, it is necessary to previously provide the long holes as in the prior art. There is no. Therefore, there is no gap between the bolt holes and the bolts, and there is no risk of deviation in the shape range of the elongated holes due to an impact load after the guide rail mounting work is completed. Further, since welding or knock pin driving for preventing this deviation is not necessary, the construction cost of the guide rail mounting work can be made easy, and the guide rail mounting accuracy can be prevented from being lowered due to the knock pin driving or the like.

Further, since the device of the present invention is structured to be attached to the guide rail, it is not necessary to align the device with the metal fitting to be drilled during the drilling work.
Furthermore, when the guide rail is positioned, it is possible to finish the installation of the device on the guide rail, so there is a risk that an error will occur in the position of the guide rail that has been carefully aligned by the installation of the device. Absent. Therefore, the mounting accuracy of the guide rail is not lowered.

[Brief description of drawings]

1 is a side view showing an elevator guide rail mounting apparatus according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line II--II showing the fixing portion shown in FIG. 1, and FIG. III sectional enlarged view, FIG. 4 is a IV-IV sectional view of FIG. 1, FIG. 5 is a horizontal sectional view showing a conventional elevator guide rail mounting structure, and FIG. 6 is a front view of FIG. 1 ... Guide rail, 2 ... Rail side metal fittings, 7 ... Wall side metal fittings, 17 ... Hole punching device, 19 ... Guide shaft, 21 ... Motor, 26 ... Spring, 28 ... Handle, 31 ... Drill, 32 ...
… Wedges. The same reference numerals in the drawings indicate the same or corresponding parts.

Claims (1)

[Claims] 1. A vertical piece of a wall side metal fitting having a horizontal piece and a vertical piece perpendicular to the horizontal piece is fastened to a hoistway wall, and the vertical piece of a rail side metal piece having the horizontal piece and a vertical piece perpendicular to the horizontal piece. A device for fastening bolts to the guide rails, positioning the horizontal pieces of the wall-side metal fittings and the horizontal pieces of the rail-side metal fittings by overlapping, and then drilling bolt holes in the horizontal pieces of the both metal fittings. Mount for mounting on the guide, a guide shaft provided in the vertical direction on the mount, and a substantially U-shape that is provided via a spring to the guide shaft and can be manually elastically moved up and down and straddles the guide rail. And a motor drill device provided at both ends of the substantially U-shaped frame of the frame.