JPH05246659A - Handrail device on elevator cage - Google Patents

Abstract

PURPOSE:To facilitate manufacture and assembly work at a site by forming main members in simple form with which the need of drilling work is obviated and only cutting work is necessary. CONSTITUTION:A pair of handrail bodies 21 each of which has a hollow rectangular form and has a sectional shape having a cut part on one side and has a prescribed length are arranged at the left and right, at the upper part of the upper beam 3 of a cage frame 1. As for a pair of handrail bodies 21, the flange side of the upper beam 3 is nipped by a rail clip 11, and a bolt 12, which penetrates through the rail clip 11 and passes through the cut part, is tightened to fix on the nut 13 of a fixing metal fitting 23 engaged with the inside of the handrail body 21. Further, at the edge part on the free edge side of the handrail body 21, a pipe 9 is arranged in the direction crossing at right angle with the handrail body 21. The pipe 9 is fixed by a pipe installation metal fitting 22 whose one edge is engaged with the inside of the handrail body 21 and the other edge is tightened with the nut 13 of the fixing metal fitting 23 in which the bolt 12 which passes through the cut part is engaged with the inside of the handrail body 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car handrail device.

[0002]

2. Description of the Related Art A worker is placed on the elevator car during the adjustment operation of the elevator, repair at the time of failure, maintenance inspection, etc., or a rescuer or a person is discharged when the passenger is rescued when the elevator is out of order. Since passengers get on, a car handrail device is installed to ensure the safety of these workers, rescuers, and rescued passengers.

FIG. 8 shows a state in which the car upper handrail device is mounted on a car frame, and FIG. 9 shows a detailed structure of the car upper handrail device. As shown in FIGS. 8 and 9, the car frame 1 is suspended by a hoist installed in a machine room via a rope (neither is shown), and the left and right vertical frames 2 and the vertical frame 2 are provided. The upper beam 3 fixed to the upper part and the lower beam 4 fixed to the lower part are formed in a rectangular shape, and the car body 6 is mounted on the car floor 5 which is fixedly supported by the car frame 1. The basket upper handrail device 7 is attached.

The car upper handrail device 7 comprises a handrail main body 8 attached to the upper beam 3 and a pipe 9 attached along a direction orthogonal to the end of the handrail main body 8. The handrail main body 8 is cut to a required length depending on the size of the elevator, one end and an intermediate portion are provided with holes (not shown) for attaching to the upper beam 3, and the other end is provided with a pipe 9
Holes (not shown) are provided at the same pitch as the pitch of the threaded portion of the U bolt 10 for mounting. The handrail main body 8 is attached to the upper beam 3 by placing it on the upper surface of the upper beam 3, and the rail clip 11 sandwiches the flange on the flange side of the upper beam 3,
It is fixed by tightening with bolts 12, nuts 13, spring washers 14, etc. Further, the pipe 9 is fixed by inserting the U bolt 10 into the above-mentioned hole on the other end of the handrail main body 8, that is, on the free end side, and tightening with a fastening member such as a nut 15 and a spring seat 16. Two handrail main bodies 8 are attached in parallel at arbitrary positions on the upper beam 3, and pipes 9 are attached to the handrail main body 8
Is mounted in a direction orthogonal to the above and is assembled into a substantially U-shape to form the car upper handrail device 7.

[0005]

However, since the handrail body, pipes, etc. constituting the car upper handrail device differ depending on the size of the elevator, they are cut to the required length each time, and the handrail body has both ends and an intermediate portion. Drilling is required. The mounting holes on the upper beam have different pitches depending on the flange width. Moreover, since the handrail main body is attached to the left and right of the upper beam, the positions of the holes are different from each other. Furthermore, since the size of an elevator is different depending on the building to be installed, that is, the specifications are different, the length and the position of the hole are instructed each time, and the elevator is manufactured based on the instruction. Occurrences of errors and the like cause a hindrance to the manufacturing process.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to make the main member a simple shape that does not require hole processing and is only cut, and is easy to manufacture and assemble on site. Another object of the present invention is to provide an elevator car handrail device adapted to achieve the following.

[0007]

In order to achieve the above-mentioned object, the present invention has a first embodiment in which a hollow quadrangular shape has a cross-sectional shape with a notch on one side, and a bolt is inserted through the notch. Free ends of the pair of frame bodies through a pair of first frame bodies fixed to the upper beam of the car frame of the elevator through the above-mentioned fixing device and a second fixing device through which a notch portion is inserted by a bolt. The second frame body is fixed along a direction orthogonal to the side end portion.

[0008]

With the above construction, the first frame, which is the main member, does not require a hole through which the bolt penetrates, so that there is no error in manufacturing instructions or manufacturing due to hole processing, and cutting from the material Since the shape is simplified and only one pair has the same shape, not the opposite, it is possible to easily carry out manufacturing and assembling work on site.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 is a side view showing an embodiment of the present invention, FIG. 2 is an enlarged view of "A" portion in FIG. 1, FIG. 3 is a view taken in the direction of arrow B in FIG. 2, and FIG. 4 is a view taken in the direction of arrow C in FIG. ..

1 to 4, a car upper handrail device 20
Is for fixing the handrail main body 21 to the upper beam 3 of the car frame 1 and the pipe 9 fixed at the free end side end of the handrail main body 21 in the direction orthogonal to the fixing device 22. It is composed of a mounting bracket 23.

However, the handrail main body 21 is a hollow quadrangular shape made of a metal material and has a cross-sectional shape in which a cutout portion 21a is provided on one side (lower side). It is produced by cutting.

The fixing device 22 is composed of a mounting bracket 23 and a pipe mounting bracket 25. The mounting bracket 23 has a structure in which a nut 12 is welded to a steel plate 24 that is dimensioned to be engaged with the inner surface side of the handrail main body 21, and the steel plate 24 has a hole through which the bolt 12 penetrates at the position of the welded nut 13 (not shown). ) Is provided. The pipe fitting 25 has a substantially semicircular engaging portion 25a having an inner diameter formed in the middle portion so as to engage with the outer diameter of the pipe 9, and is connected to one end of the engaging portion 25a. And a fixed portion 25b that engages with the inner surface of the lower side of the handrail main body 21,
A tightening which is connected to the other end of the engaging portion 25a, is provided with a hole (not shown) through which the bolt 12 passes, and forms a gap H between the outer surface of the lower side of the handrail main body 21. Attached part 25C
The rib 25d is provided on the outer periphery of the engaging portion 25a in order to increase the mechanical strength. The width of the engaging portion 25a and the tightening portion 25c is smaller than the width of the cutout portion 21a of the handrail main body 21, and the width of the fixed portion 25b is larger than the width of the cutout portion 21a of the handrail main body 21.

Next, a procedure for fixing the car upper handrail device 20 configured as described above to the car frame 1 will be described. A pair of left and right handrail main bodies 21 are placed on the upper beam 3 at predetermined intervals, the flange side is sandwiched by the rail clips 11, and the bolts 12 penetrating the rail clips 11 are attached to the handrail main body 21 via spring washers 14. Mounting bracket inserted inside from the opening side
Tighten to nut 13 of 23. The mounting bracket 23 and the pipe mounting bracket 25 are inserted from the opening surface side on the free end side of the handrail main body 21 fixed in this way, and after the pipe mounting bracket 25 is set in a predetermined position, the pipe 9 is attached to the engaging portion 25a. insert. After this insertion, the bolt 12 is inserted into the hole provided in the tightening portion 25c of the pipe fitting 25 via the spring washer 14 and tightened to the nut 13 of the fitting 23 to fix the pipe 9.

In the fixing procedure of the car handrail device 20 according to the above, the rail handclip device 20 is fixed while it is assembled.
By inserting the spring washer 14 that has been temporarily tightened into the handrail main body 21, the handrail main body 21 can be easily fixed to the upper beam 3. Similarly, the pipe 9 can be fixed to the handrail body 21 by inserting the pipe fitting 25 to the fitting 23, which is temporarily tightened with the bolt 12 and the spring washer 14, into the handrail body 21. It will be easy.

According to the above embodiments, since the handrail main body does not need to be drilled and only needs to be cut from the material, the left and right sides can be the same, which not only facilitates the manufacturing but also
It will be easy to assemble locally.

The present invention is not limited to the above-described embodiment, and instead of the pipe 9, a handrail made of the same material as the handrail main body 21 may be used.
5 is a side view showing the main part of another embodiment of the present invention, FIG. 6 is a view taken in the direction of arrow D in FIG. 5, and FIG. 7 is a view taken in the direction of arrow E in FIG.

In FIGS. 5 to 7, the car upper handrail device 30 is shown.
Is a pair of handrail devices having the same configuration as the above-mentioned embodiment
21, a handrail 31 fixed at the free end side end of the handrail device 21 in a direction orthogonal to the handrail via a fixing device 32, and a handrail main body 21 similar to the above-described embodiment, the upper beam 3 of the car frame 1. It is composed of a mounting bracket 23 fixed to. In addition, the handrail main body 21 has a central bolt out of the three bolts 12 for fixing the handrail 31.
Provide 12 insertion holes for fastening tools.

The handrail 31 is made of the same material as the handrail body 21 and cut into a predetermined length. Further, the fixing device 32 includes three fixing metal fittings 23 having the same structure as that of the above-described embodiment, and the handrail 31 with the handrail 31 via the fixing metal fittings 23.
It is composed of a mounting plate 33 that is fixed to the mounting plate 33.
There are three holes (not shown) penetrating therethrough.

Next, a procedure for fixing the car upper handrail device 30 configured as described above to the car frame 1 will be described.
From the free end side opening surface of the handrail main body 21 fixed to the upper beam 3 by the same procedure as in the above-described embodiment, the first and second mounting brackets
Two pieces of 23 are inserted and set to predetermined positions, and then the mounting plate 33 is fixed to the first and second mounting brackets 23 via 12 and spring washers 14, respectively. In addition, the third mounting bracket 23 is inserted into the handrail 31 from the opening surface, and after the predetermined position, the bolt 12 and the spring washer 14 are inserted.
The handrail 31 is fixed to the third mounting member 23 via.

According to the above-mentioned embodiment, in addition to the same effect as the above-mentioned embodiment, the handrail may be cut from the same material as the handrail main body, and the mounting brackets 23 are all the same,
Further, since the mounting plate has a simple shape, it is easy to manufacture them.

[0021]

As described above, according to the present invention, the first frame body, which is a main member, has a hollow quadrangular shape having a cross-sectional shape having a notch on one side, and the notch is used for fixing bolts. Is fixed to the upper beam of the car frame of the elevator via the first fixing device adapted to be inserted through, and the fixing bolt is inserted through the notch at the free end side end of the first frame. Since the second frame is fixed through the fixing device, compared to the conventional elevator car handrail device, hole machining is not required and the product can be manufactured by cutting only from the material, and the manufacturing is easy. It is possible to provide an elevator car upper handrail device that facilitates assembly work on site.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is an enlarged view of an “A” part in FIG.

FIG. 3 is a view on arrow B of FIG.

FIG. 4 is a view on arrow C of FIG.

FIG. 5 is a side view showing a main part of another embodiment of the present invention.

FIG. 6 is a view on arrow D of FIG.

FIG. 7 is an arrow view of FIG. 5E.

FIG. 8 is a side view showing a configuration in which a conventional elevator car handrail device is attached to a car frame.

9 is an enlarged side view showing a car handrail device of the elevator shown in FIG.

[Explanation of symbols]

1 ... Car frame, 3 ... Upper beam, 9 ... Pipe, 11 ... Rail clip, 12 ... Bolt, 13 ... Nut, 14 ... Spring washer, 21 ... Handrail main body, 22, 32 ... Fixing device, 23 ... Mounting bracket, 24 … Steel plate, 25
… Pipe fittings, 31… handrails, 33… mounting plates.

Claims (1)

[Claims] 1. An upper beam of a car frame of an elevator through a first fixing device having a hollow quadrangular shape with a cross section having a notch on one side, and a fixing bolt being inserted through the notch. A direction orthogonal to the free end side end portions of the pair of first frame bodies via the pair of fixed first frame bodies and the second fixing device in which the fixing bolts are inserted through the notches. An elevator car handrail device comprising a second frame body fixed along the elevator car.