JP3441951B2 - Track device for moving escalator stairs - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a track device for moving stairs of an escalator, which is suitable for use in moving an escalator in a conveying process from below to above along stairs of a building.

[0002]

2. Description of the Related Art In the process of transporting an escalator to an installation site such as a station building, especially when an extremely large heavy object such as an escalator frame is moved from the lower side to the upper side along the stairs of the building, special measures are taken. Is required.

For example, conventionally, when the escalator frame is moved from the bottom to the top along the stairs, a veneer plate is spread in advance from the lower entrance to the upper entrance of the stairs and installed at an appropriate position above the stairs. A method in which a winch and a front end portion of an escalator frame carried to the bottom of stairs are connected by a wire rope and the escalator frame is pulled up by the winch via the wire rope is widely adopted. That is, in such a conventional technique, a vehicular plate laid so as to cover the stairs forms a slope for movement, and a trolley equipped with an escalator frame towed by a winch is on the slope (on the plywood plate).
It is a method of enabling smooth movement.

[0004]

The above-mentioned conventional technique is
There is a problem that it takes a lot of time and labor for the preparatory work of spreading veneer boards on the stairs to form a slope for movement, and for the dismantling work of removing the many plywood boards and returning the stairs to the original state. It was Further, the veneer plate may be cracked when an excessive force is applied locally, so that the wheels of the truck equipped with the escalator frame may fit into the cracks and cause a derailment accident. Furthermore, even if the escalator frame is pulled upward by the winch, the escalator frame easily meanders left and right on the veneer plate, so from the viewpoint of safety, the escalator frame needs to be moved slowly on the veneer plate widely spread over the stairs. is there. Therefore, the above-mentioned conventional technique has problems that the working time when moving on the stairs is prolonged, and that the use of the stairs is restricted by the plywood and the appearance is poor.

The present invention has been made in view of the above problems of the prior art, and an object thereof is to enable safe and smooth movement of an escalator frame or the like along the stairs of a building for preparatory work or dismantling. It is an object of the present invention to provide a track device for moving stairs of an escalator, which enables work to be performed in a short time.

[0006]

DISCLOSURE OF THE INVENTION The above-mentioned object of the present invention is to provide a stairway moving track for an escalator which is installed on a stairway of a building when the escalator is being moved from below to above along the staircase of a building. In the device, a pair of left and right rail bodies formed by connecting a plurality of rails in a separable manner,
It is arranged at a plurality of locations on the stairs to support the rail body and is detachably provided on the rail.
At least part of the height can change its own height dimension
A plurality of rail supporting legs having an adjusting mechanism, and the left and right
The rails are arranged adjacent to the rails that make up the pair of rails.
And the adjacent rails are fastened together.
A rail connecting the pair of left and right rail bodies, respectively.
It is achieved by having a connecting body .

The track apparatus for moving stairs having such a structure is
By arranging the rail support legs with appropriate heights at multiple points on the stairs of the building, each rail body can be set to a desired height position where there is no risk of colliding the escalator frame with the ceiling of the building. Since the rails can be arranged in a straight line at intervals, the escalator frame and the like can be easily moved along the stairs by the guide of these rail bodies. Therefore, as compared with the conventional technique in which a veneer plate is spread over stairs to form a slope for movement, not only the time for moving the escalator frame and the like can be shortened, but also the time for preparation work and dismantling work can be shortened. Moreover,
Since each rail body can be separated into a plurality of rails, transportation work is easy.

Further, in addition to the above-mentioned structure, if a common and fixed rail connection body for connecting rails forming one rail body and connecting the rail body to the other rail body is used, the number of parts is reduced. Therefore, preparation work and dismantling work can be performed in a shorter time.

In addition to the above-mentioned structure, if a stopper for preventing sliding down of the moving escalator frame or the like is detachably attached to the rail body, the wire rope for towing may break. Even if the escalator frame or the like slides down on the rail body, the stopper can immediately stop the slide, which improves safety.

In addition to the above-mentioned structure, it is preferable to use a rail support leg having a height adjusting mechanism whose height dimension can be changed, because it is not necessary to prepare various types of rail support legs. .

In addition to the above-mentioned structure, it is preferable that the rail supporting leg is detachable from the rail because the height position of the rail can be easily adjusted and the transportation becomes convenient.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIG.
Or, it demonstrates based on FIG. However, FIG. 1 is an explanatory view showing a state where the escalator frame is moved by the track device for moving stairs according to the present invention, FIG. 2 is a detailed side view of a connecting portion of the rail shown in FIG. 1, and FIG. , 2 is a detailed bottom view of the connecting portion of the rail shown in FIG.
5 is a perspective view of the rail connecting portion shown in FIG. 5, FIG. 5 is a detailed perspective view of the rail supporting leg shown in FIG. 1, FIG. 6 is a sectional view of the rail supporting leg shown in FIG. 5, and FIG. 7 is a stopper shown in FIG. 8 is a detailed perspective view showing the mounted state of the rail body, FIG. 8 is a plan view showing in detail the entrance / exit portion of the rail body shown in FIG. 1, and FIG. 9 is a side view of the entrance / exit portion of the rail body shown in FIG.

In FIG. 1, a track device for stairs movement, which is generally indicated by reference numeral 2, has one rail body 3 in which a plurality of rails 3a, 3b and the like are separably connected, and a plurality of rails 4a, 4a. The other rail body 4 in which 4b and the like are separably connected, and a plurality of rail support legs 6 and 60 that are arranged at a plurality of locations on the stairs 5 of the building and support a pair of left and right rail bodies 3 and 4 Etc. and two adjacent rails (eg 3a, 3
b) A pair of left and right rail bodies 3, which connect the rails 3,
A fixed rail connection body 7 that connects the four together,
The rail body 3, 4 is provided with a stopper 10 for preventing slippage which is fitted into an appropriate portion of the rail body 3 and is roughly configured. Each of these members is made of steel, and each of the rails 3a, 3b, 4a, 4b, etc. constituting the rail bodies 3, 4 is formed in a U-shaped cross section so that a wheel 9 of a carriage 8 described later does not fall off. Has been done.

Reference numeral 1 in FIG. 1 indicates a frame (truss) of the escalator. This escalator frame 1
When moving the vehicle from the lower side to the upper side along the stairs 5 of the building, the stairway moving track device 2 described above is installed on the stairway 5 in advance, and two carriages having a plurality of wheels 9 are provided. The front part and the rear part of the escalator frame 1 are mounted on the 8 in advance. Then, an electric chain block (not shown) installed at the upper entrance / exit of the stairs 5 and the front end of the escalator frame 1 carried to the lower entrance / exit of the stairs 5 are connected by a wire rope (not shown). By pulling up the escalator frame 1 with the chain block, the wheels 9 of the truck 8 are moved to the rail bodies 3, 4
Since it can be smoothly moved linearly and obliquely upward while being guided by, the escalator frame 1 can be smoothly moved to the upper entrance and exit of the stairs 5 as the carriage 8 moves.

The structure of each part of the stairway moving track device 2 will be described in detail. As shown in FIGS.
The rail-shaped connecting body 7 which is a V-shaped steel material is commonly fixed to the rails 3a, 3b, 4a, 4b and the like using a fastener 11 composed of a plurality of bolts and washers. Therefore, if this fastener 11 is removed, each rail 3a, 3
b, 4a, 4b, etc. are all separated into one independent rail. The rail connector 7 and each rail 3a, 3b,
As shown in FIGS. 2 and 4, a distant piece 12 made of steel is interposed between the dies 4a and 4b and the like.

Further, as shown in FIGS. 5 and 6, the rail supporting leg 6 includes an upper leg portion 6a and a lower leg portion 6b which are steel members having a U-shaped cross section, and these both leg portions 6a, 6b. For example, the fastening means 14 including a bolt 14a and a nut 14b that are detachably connected at two points, and the lower leg portion 6
and a pedestal 13 made of a steel plate welded to the lower end of b. That is, the upper leg portion 6a and the lower leg portion 6
A plurality of connecting holes 6a1 and 6b1 are formed in each of b, and the connecting holes 6a1 and the lower leg portion 6a of the upper leg portion 6a are formed.
The connecting hole 6b1 of b is appropriately selected, and the bolt 14a is inserted into both holes 6a1 and 6b1, and the nut 14 is inserted into the bolt 14a.
The upper leg portion 6a and the lower leg portion 6b can be fastened by screwing b. Therefore, the rail supporting leg body 6 can adjust its own height dimension in a plurality of steps by changing the fastening positions of the upper leg body portion 6a and the lower leg body portion 6b, and each rail 3a, Three
By using only the upper leg portion 6a or the lower leg portion 6b which can be detachably attached to the b, 4a, 4b, etc., the height dimension can be set in two smaller steps. The rail supporting legs 60 have substantially the same configuration except that the component heights of the upper leg portion and the lower leg portions are larger than those of the rail supporting leg bodies 6.

Further, as shown in FIG. 7, the stopper 10 is provided with a movement preventing rod 10a protruding downward, and a plurality of the movement preventing rod 10a are provided on each rail 3a, 3b, 4a, 4b and the like. The rail body 3, which is mounted on the dolly 8, is fitted into the small locking hole 15 that is provided.
Even if the moving escalator frame 1 slides down while being guided by 4, the wheels 9 of the dolly 8 immediately stop when the escalator frame 1 slides down.
The frame 1 can be stopped immediately by being stopped at 0.

Further, the rail bodies 3 and 4 are installed linearly on the stairs 5 of the building at an inclination angle of at least 18 degrees. Then, as shown in, for example, FIGS. 8 and 9, the longitudinal ends of the rail bodies 3 and 4 are respectively supported at the bottom by a taper shape that widens to allow the wheels 9 of the carriage 8 to move in and out smoothly. The dolly 8 is composed of the entrance / exit portion 3c and the like to which the plate 16 is fixed and a horizontal portion continuous to the entrance / exit portion.
Positioning portions 3d for engaging the front and rear wheels 9 with the rail body 3 or the rail body 4 at the same height are provided.

As described above, an electric chain block (not shown) is installed at the upper entrance / exit of the stairs 5, and a wire rope (not shown) connected to the chain block is attached to the front end of the escalator frame 1. The escalator frame 1 is pulled up by the electric chain block via this wire rope, so that the wheels 9 of the carriage 8 on which the frame 1 is mounted are pulled up.
While being guided by the rail bodies 3 and 4, it can be smoothly moved linearly and obliquely upward.

As described above, the track apparatus 2 for moving stairs according to the present embodiment is provided with the escalator frame 1 by arranging the rail supporting legs 6, 60, etc. of appropriate heights at a plurality of locations on the stairs 5 of the building. The rail bodies 3 and 4 can be linearly arranged at desired height positions where there is no fear of colliding with the ceiling or the like of the building, and the distance between these rail bodies 3 and 4 can be adjusted by the carriage 8 It is possible to maintain a predetermined size approximately equal to the distance between the wheels 9 on the left and right. Therefore, the escalator frame 1 mounted on the carriage 8 can be smoothly moved from the lower side to the upper side along the stairs 5 while guiding the wheels 9 by the pair of left and right rail bodies 3 and 4 thus arranged. It is also possible to prevent side shake during movement, so it is easy to secure safety. Further, the height of the rail support legs 6, 60, etc. can be easily adjusted, and since the rail connection body 7 that is commonly fixed is used, the adjacent rails can be connected and the rail bodies 3, 4 can be made with a small number of parts. You can connect each other. Therefore, a large number of plywood boards are used for stairs 5.
Compared with the conventional technique of forming a slope for movement on the top, the movement time of the escalator frame 1 can be shortened, and the time for preparation work and dismantling work can be greatly shortened. Moreover, the orbital device 2 for moving stairs has an advantage that the use of the stairs 5 can be installed without restricting the use of the stairs 5, and the appearance thereof is better than that when the veneer boards are spread.

Further, in the track device 2 for moving stairs, the rails 3a, 3b, 4a, 4b and the like can be separated, and the rail supporting legs 6, 60 and the like can be separated from these rails. Therefore, as compared with the prior art in which a large number of veneer plates have to be carried in and out, the carrying work is easier.

Furthermore, the track device 2 for moving the stairs
Has a structure in which the stopper 10 having the movement preventing rod 10a is attachable / detachable to / from the rail bodies 3 and 4, so that the escalator frame 1 slides down on the rail bodies 3 and 4 when the wire rope for towing is cut. Even if an accident occurs, the stopper 10 can immediately stop the sliding, and safety is ensured so that a major accident can be avoided.

In the above embodiment, each rail 3
Rail support legs 6, 6 for a, 3b, 4a, 4b, etc.
Although 0 or the like has been illustrated as a detachable configuration, for example, the upper leg portion of these rail supporting legs may be integrated with the lower end portion of the rail by welding. In addition, if a plurality of types of upper leg portions or lower leg portions having different heights are prepared in advance, the work of arranging the rail supporting legs having an appropriate height at a predetermined position on the stairs 5 can be easily performed. For example, landing 5a
The stairway moving track device 2 can be easily applied to various types of stairs 5 having different inclinations and shapes, such as a stairway 5 wider than usual.

[0024]

The track device for moving stairs of the escalator according to the present invention is carried out in the form described above and has the following effects.

By arranging the rail supporting legs having appropriate heights at a plurality of positions on the stairs of the building, the pair of left and right rails can be arranged in a straight line with a predetermined space therebetween. Not only can the moving time of the frame etc. be shortened, but also the preparation work time and the dismantling work time can be shortened.

Further, in this track device for moving stairs, since each rail body can be separated into a plurality of rails, the carrying work can be easily carried out. Further, if the rail supporting legs are detachable from the rail, the carrying work becomes easier.

Further, it is preferable that a stopper for preventing sliding down of the moving escalator frame or the like is detachably provided on the rail body, because safety that a large accident can be avoided can be secured.

Further, it is preferable to connect the adjacent rails or to connect the left and right rail bodies by using the commonly fixed rail connection body because the number of parts can be reduced and the preparation work and the disassembly work can be made more efficient. .

Further, it is preferable to use a rail supporting leg having a height adjusting mechanism whose height dimension can be changed, because it is not necessary to prepare various kinds of rail supporting legs.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a state in which an escalator frame is moved by a track device for moving stairs according to the present invention.

FIG. 2 is a detailed side view of a connecting portion of the rail shown in FIG.

FIG. 3 is a detailed bottom view of a connecting portion of the rail shown in FIGS.

FIG. 4 is a perspective view of a connecting portion of the rail shown in FIGS.

5 is a detailed perspective view of the rail support leg shown in FIG. 1. FIG.

6 is a cross-sectional view of the rail supporting leg shown in FIG.

FIG. 7 is a perspective view showing in detail a mounted state of the stopper shown in FIG.

FIG. 8 is a plan view showing in detail an entry / exit portion of the rail body shown in FIG.

9 is a side view of an entry / exit portion of the rail body shown in FIG. 8. FIG.

[Explanation of symbols]

1 escalator frame 2 Track device for moving stairs 3,4 rail body 3a, 3b, 4a, 4b rails 5 stairs 6 Rail support legs 7 rail connection 8 carts 9 wheels 10 stopper 11 fasteners 12 distant pieces 14 Fastening means

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Claims (2)

(57) [Claims] 1. A stair-moving track device for an escalator, which is installed on a stairway of a building when the escalator in the process of transportation is moved from below to above along the stairs of a building,
A pair of left and right rail bodies formed by connecting a plurality of rails in a separable manner, and arranged at a plurality of locations on the stairs to support the rail body and detachably mounted on the rail.
And, at least in part, changed its height
A plurality of rail supporting legs having a possible height adjusting mechanism, and a plurality of rails forming the pair of left and right rail bodies
Placed adjacent to each other and tighten the adjacent rails respectively.
When connecting, the pair of left and right rail bodies are connected together.
A track device for moving stairs of an escalator, comprising: a rail connection body to be connected . 2. An escalator being transported to the rail body.
The stairway track device for an escalator according to claim 1, wherein a stopper for preventing the sliding of the escalator is detachably provided .