JP2002370644A - Movable prefabricated scaffolding - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform various operations quickly for parts along a vehicle rail in a railroad station. SOLUTION: This movable prefabricated scaffolding includes an assembly carriage 20 and an assembly work vehicle 40, where the assembly carriage 20 has two traveling frameworks 21, 22 having two supports 25, 26 provided with wheels 23, 24 rolling on respective vehicle rails 11, 12; horizontal support beams 27 for fixing the supports 25, 26; braces connecting the traveling frameworks separately in a direction along the vehicle rails 11, 12; and floor boards placed on the horizontal support beams 27 of the two traveling frameworks 21, 22. On the supports 25, 26 of the traveling frameworks 21, 22, two guide rails 39 are mounted, overlapping a platform 10 so that the assembly work vehicle 40 can be delivered onto the guide rails 39 from the platform 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile assembling scaffold used when working on a portion along a vehicle rail at a railway station.

[0002]

2. Description of the Related Art At a subway station, work inside the station such as finishing and renovation work on the side of the tunnel facing the platform, installation of advertising boards provided on the side, and furthermore, work on the ceiling of the tunnel. Finishing and renovation work may be performed. In addition, at a station of a ground running railway, there is a case where an operation of mounting an advertising board provided to face a platform or the like is performed. Further, at railway stations, inspection and repair work of catenaries, which supply power by contacting pantographs of vehicles, is performed.

[0003] Since the site where these station premises work is performed is located higher than the railroad running ground on which the rails for vehicles are laid, it is necessary to be careful when working with a ladder for safety. . In addition, there are cases where the work site is continuously performed along the rails for the vehicle, and when the work is performed on a ladder, it is necessary to change the ladder, and the work cannot be performed quickly.

[0004]

Since these working parts are along the rails for the vehicle, attempts have been made to run the rails for the vehicle and to use the rails for the vehicle to run the bogies thereon. Was. However, since the above-mentioned work at the railway station needs to be performed promptly within a limited time from midnight to early morning, a large truck was moved from the drop line to the platform to perform the work. Then, it takes time to start work.

SUMMARY OF THE INVENTION It is an object of the present invention to quickly perform various operations on a portion along a vehicle rail at a railway station.

[0006]

SUMMARY OF THE INVENTION A movable assembly scaffold of the present invention comprises a plurality of columns each having a wheel for rolling a rail for a vehicle, and a plurality of columns each having a horizontal support beam fixed to the column. An operator having a traveling frame, a connecting member for coupling the traveling frame in a direction along the vehicle rail, and a floor board spanned between the plurality of horizontal support beams, and having moved from the platform. Work on the floorboard.

The movable scaffold according to the present invention has a plurality of guide rails which are perpendicular to the rails for the vehicle and are detachably mounted on the respective traveling frames.
An assembling work vehicle can be carried from the platform onto the guide rail.

[0008] The mobile assembling scaffold of the present invention comprises a plurality of supports each provided with wheels for rolling a rail for a vehicle, and a plurality of traveling frames each provided with a horizontal support beam fixed to the support. An assembling trolley having a connecting member for connecting the traveling frame body in a direction along the vehicle rail, and a floor plate spanned between the plurality of horizontal support beams, and facing a direction perpendicular to the vehicle rail; And a plurality of guide rails removably mounted on each of the traveling frames, and an assembling work vehicle carried from the platform onto the guide rails.

The mobile assembling scaffold of the present invention is characterized in that the horizontal support beam has a stopper whose lower end abuts on a railroad running ground, and a guide plate facing a rail for a vehicle is attached to the wheel. Features.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view showing a movable assembly scaffold according to an embodiment of the present invention, FIG. 2 is an enlarged front view showing the assembly cart shown in FIG. 1, and FIG. 3 is a perspective view of FIG. FIG. 4 is a perspective view showing the assembly work vehicle shown in FIG.

FIG. 1 shows a platform 10 of a railway station provided in a subway tunnel. The mobile assembly scaffold of the present invention is mounted on vehicle rails 11 and 12 provided in parallel with the platform 10. In addition, various station yard operations such as finishing operation of the tunnel side surface 13 and the ceiling surface 14 and attaching members can be performed.

[0012] The movable assembly scaffold is a rail 1 for a vehicle.
It has an assembling trolley 20 running on 1 and 12 and an assembling work vehicle 40 disposed thereon. The assembling trolley 20
As shown in FIGS. 2 and 3, there are first and second traveling frames 21 and 22, and each traveling frame 2
Reference numerals 1 and 22 denote two pillars 25 and 26 having wheels 23 and 24 provided at the lower ends for rolling on the vehicle rails 11 and 12, respectively.
, And the upper ends of the columns 25 and 26 are fixed to a horizontal support beam 27. The lower ends of the columns 25 and 26 are connected by reinforcing connecting beams 28, and both ends of the horizontal support beam 27 and the columns 25 and 26 are connected by inclined reinforcing bars 29. The wheels 23 and 24 have outer peripheral portions formed of an electrically insulating material such as rubber.

In order to reduce the weight of the traveling frames 21, 22,
For the members such as the pillars constituting the traveling frame bodies 21 and 22, hollow pipes made of hollow iron are used, and the traveling frame bodies are formed by welding them. As shown in FIG. 2, wheels 23, 24 are provided at the lower ends of the columns 25, 26, respectively.
A guide plate 32 is fixed to a bracket 31 for attaching the vehicle rail 1, and the wheels 23 and 24 are attached to the vehicle rail 1.
When placed on the vehicle rails 11, 12,
The guide plates 32 cover the left and right sides so that the wheels 23 and 24 are prevented from coming off the vehicle rails 11 and 12. The center axes of rotation of the wheels 23 and 24 are oriented at right angles to the vehicle rails 11 and 12, and can be changed so as to be parallel to the vehicle rails 11 and 12.

In the case shown, each wheel 23, 2
The two rails 4 are provided so as to sandwich the rails 11 and 12 from both sides, but may be provided one by one so as to face the inner side or the outer side of the vehicle rail.

As shown in FIG. 3, two traveling frames 21,
22 is connected by a brace 33 in a state of being separated in a direction along the vehicle rails 11 and 12. Each brace 33
Function as connecting members, and each of the traveling frame bodies 21 and 22
Each of the columns 25 and 26 is provided with a hook 34 with which a brace 33 is engaged, as shown in FIG.

The horizontal support beams 2 of the two traveling frames 21 and 22
Between 7, the cloth plate 35 is to be passed over,
The operator can work on the station premises by riding on the cloth plate 35. Further, a cloth plate may be extended between the reinforcing connection beams 28. At both ends of the cloth board 35 serving as a floor board, hooks that engage with the horizontal support beams 27 are provided.
By hooking the hook on the horizontal support beam 27,
5 is passed between the traveling frames 21 and 22. A floor plate of a type having no hooks at both ends may be used.

As shown in FIG. 2, a male screw member 36 fixed to wheels 23, 24 is provided on each of the columns 25, 26 to adjust the height of the horizontal support beam 27.
A nut 37 that fits inside 6 and is screwed to the male screw member 36 is in contact with the lower end surfaces of the columns 25 and 26. Therefore, by rotating the nut 37, the height of the horizontal support beam 27 can be adjusted to a height corresponding to the platform 10, so that a large step does not occur between the platform 10 and the cloth plate 35, and Is platform 10
Can be safely transferred onto the cloth board 35 from above. In consideration of the safety of the worker's transfer, it is preferable to set the height of the horizontal support beam 27 so that the surface of the cloth plate 35 is substantially equal to the surface of the platform 10, as shown in FIG. . However, the height of the horizontal support beams 27 may be set so as to correspond to the platform so that the horizontal support beams 27 fall within the range of a step corresponding to one step of the platform 10.

The upper ends of the columns 25 and 26 formed of hollow pipes are open, and guide rails 39 having fitting projections 38 fitted in the upper ends of the columns 25 and 26 are provided on the respective traveling frame bodies 21 and 22. It is designed to be detachably attached. In order to fix the guide rail 39 to the columns 25, 26, engaging pins 25a, 26a that fit into through holes 38a formed in the projections 38 are attached to the columns 25, 26. One end of each guide rail 39 protrudes from the horizontal support beam 27 to overlap the platform 10 as shown in FIG.
7 has a length substantially coinciding with the end. Accordingly, the guide rail 39 is mounted on the assembling trolley 20 in a direction perpendicular to the vehicle rails 11 and 12, and the assembling work vehicle 40 is moved from the platform 10 onto the assembling trolley 20 along the guide rail 39. You can move it. To make this transfer smooth,
The guide rail 39 is mounted so that a large step does not occur between the guide rail 39 and the platform 10. However, if the assembling work vehicle 40 can transfer from the platform 10 onto the assembling trolley 20, the guide rail 39 does not overlap the platform 10 and the end face of the guide frame 39 is
The length of the guide rail 39 may be set so as to substantially coincide with the 0 side surface.

As shown in FIG. 4, the assembly work vehicle 40
It has a pair of finishing scaffolds 41 and 42 and a joint 43 connecting them. Each finishing scaffold 41, 42
Has a scaffolding frame 44 having two columns and a connecting rod connecting them, and a caster 4 is provided at the lower end thereof.
The base bracket 46 to which the 5 is attached is attached. Brace two scaffold frames 44 4
7 and the finishing scaffolds 41 and 42 are assembled by crossing the cloth plate 48 over the connecting bar. Further, the two sets of finishing scaffolds 41 and 42 are connected by a joint 43, and the cloth plate 48 is also stretched over the joint 43.

A handrail support 51 can be attached to the support of each of the finishing scaffolds 41 and 42. By attaching the handrail 52 to the handrail support 51, an assembling work vehicle 40 as shown in FIG. 4 is assembled. When the assembling vehicle 40 is placed on the assembling trolley 20, in order to prevent the assembling trolley 20 from tilting, the end of the horizontal support beam 27 where the guide rail 39 does not protrude, As shown in FIG. 5, a stopper 53 is attached. The stopper 53 has an upper pipe 54 whose upper end is fixed to the horizontal support beam 27, and a lower pipe 55 fitted therein. The tip of the lower pipe 55 comes into contact with the railroad traveling ground. ing. The position of the lower pipe 55 in the vertical direction can be adjusted, and the total length of the stopper 53 can be adjusted according to the height between the platform 10 and the ground. In order to fix the lower pipe 55 to the upper pipe 54, the upper pipe 54 is provided with a bolt 56 for screwing the lower pipe 55.

Therefore, when performing construction work such as painting work or finishing work on the upper part of the ceiling surface 14 or the side surface 13 of the tunnel at a subway station, first, the assembling trolley 20 is attached to the vehicle rails 11 and 12. Assemble on top. At this time, the worker descends on the railroad running ground and places the two running frames 21 and 22 on the vehicle rails 11 and 12 at a predetermined interval from each other. In this state, the two traveling frames 21 and 22 are connected by the brace 33, and the cloth board 35 is stretched between the horizontal support beams 27. In this manner, the assembling trolley 20 can be easily assembled on the vehicle rails 11 and 12. In the case of performing work in a station yard such as finishing work on a relatively low portion of the tunnel side surface 13, a worker can work directly on the assembling trolley 20.

On the other hand, when working on a relatively high portion such as the ceiling surface 14 of the tunnel, the guide rail 39 is assembled on each of the horizontal support beams 27 and assembled on the platform 10. The assembling vehicle 40 is moved from the platform 10 onto the guide rail 39. The assembling vehicle 40 is provided with two sets of finishing scaffolds 41 and 4 on the platform 10 by a scaffold frame 44, a base bracket 46, and a brace 47.
2 are assembled, connected by the joint 43, and the cloth plate 48 is mounted.

As described above, the assembling trolley 20 and the assembling work vehicle 4
Since each of the members 0 is formed by assembling small members, even when a large space cannot be secured as in a subway station yard, each member can be easily brought into a predetermined place and assembled in a short time. 20 and the assembling work vehicle 40 can be assembled. Thereby, various operations in the railway vehicle station premises where the operation time is limited can be quickly started.

In addition, when the assembling work vehicle 40 is put on the assembling trolley 20, the guide rail 39 extends over the platform 10, so that the assembling work vehicle 40
The assembly work vehicle 40 can be quickly arranged on the assembly cart 20 simply by moving And the assembling trolley 2
Since the wheel 0 can be moved along the platform 10 by the wheels 23 and 24, it is possible to easily change the work place gradually by moving the assembling trolley 20, so that a predetermined portion can be moved in a short time. Can work.

FIG. 5 is a schematic plan view showing an assembly truck assembled on the rails 11 and 12 for a vehicle. In FIG. 5, an assembly truck 20a denoted by reference numeral a is similar to the assembly truck shown in FIG. Is formed by connecting two traveling frame bodies 21 and 22 to the vehicle. In FIG. 5, the assembled carriage 20 b denoted by reference character b is composed of three traveling frames 21, 22, 22 a
2 shows an assembled cart formed by connecting the above. However, three or more may be connected. Each of the assembling trolleys 20a and 20b has a traveling frame body of a rail 1 for a vehicle.
Although they are arranged so as to face in a direction perpendicular to the rails 1 and 12, the traveling frame is arranged directly above each of the vehicle rails 11 and 12 in parallel with the rails 11 and 12, as in a traveling vehicle 20c shown in FIG. You may do it.

The present invention is not limited to the above embodiment, but can be variously modified without departing from the gist thereof. For example, FIG. 1 shows a state in which the assembled scaffold is used in a subway station, but the assembled scaffold of the present invention can also be used in a railway station running on the ground.

[0027]

According to the present invention, the assembling trolley can be assembled on the rail for the vehicle at the work site, and the work in the station yard can be started in a short time. The floor plate on the upper surface of the assembling trolley is within a predetermined step corresponding to the surface of the platform, so that the operator can easily and safely transfer from the platform to the assembling trolley. When the assembler moves to the assembling trolley, the guide rails extend to the surface of the platform, so the assembling trolley can be quickly moved to the assembling trolley and work can be started in a short time. it can. When changing the work site, it is only necessary to move the assembling trolley along the rails for the vehicle, and the work site can be easily changed to complete a predetermined station yard operation in a short time. By sequentially connecting a plurality of traveling frames, it is possible to change the length of the assembling carriage in the direction along the vehicle rail. In the assembling trolley, the traveling frame may be perpendicular to the rail for the vehicle, or may be parallel to the rail. Any direction of assembly can be set according to the operation. Since the guide plate is provided on the wheel of the assembling trolley, it is possible to reliably prevent the assembling trolley from coming off the vehicle rail.

[Brief description of the drawings]

FIG. 1 is a front view showing a movable assembly scaffold according to an embodiment of the present invention.

FIG. 2 is an enlarged front view showing the assembled cart shown in FIG. 1;

FIG. 3 is a perspective view of FIG. 2;

FIG. 4 is a perspective view showing an assembly work vehicle.

FIG. 5 is a schematic plan view showing a connection pattern and an arrangement pattern of the traveling frame.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Platform 11, 12 Vehicle rail 13 Tunnel side surface 14 Tunnel ceiling surface 20 Assembly trolley 21, 22 Running frame body 23, 24 Wheel 25, 26 Prop 27 Horizontal support beam 28 Reinforcement connection beam 29 Inclined reinforcing bar 31 Bracket 32 Guide plate 33 Brace (connecting member) 34 Hook 35 Cloth plate (floor plate) 36 Male screw member 37 Nut 38 Fitting protrusion 39 Guide rail 40 Assembly work vehicle 41, 42 Finishing scaffold 43 Joint part 44 Scaffolding frame 45 Caster 46 Base bracket 47 Bracing 48 Cloth Plate 51 Handrail support 52 Handrail 53 Stopper 54 Upper pipe 55 Lower pipe

Claims (5)

[Claims] 1. A plurality of traveling frames each having a plurality of columns provided with wheels for rolling a rail for a vehicle, and a plurality of traveling frames provided with horizontal support beams fixed to the columns, and It has a connecting member that is separated and connected in the direction along the rail, and a floor plate that is bridged between the plurality of horizontal support beams, and that an operator who has moved from the platform works on the floor plate. Characterized mobile assembling scaffold. 2. The mobile assembly scaffold according to claim 1, further comprising: a plurality of guide rails facing in a direction perpendicular to the vehicle rail and detachably attached to each of the traveling frames. A mobile assembling scaffold, wherein an assembling work vehicle can be carried from the platform onto the guide rail. 3. A plurality of traveling frames provided with a plurality of columns each provided with wheels for rolling a rail for a vehicle, and a plurality of traveling frames provided with a horizontal support beam fixed to the columns, and the traveling frame is attached to the vehicle. An assembling trolley having a connecting member separated and connected in a direction along a rail, and a floor board spanned between the plurality of horizontal support beams; and each of the traveling frames facing in a direction perpendicular to the vehicle rail. A mobile assembling scaffold comprising: a plurality of guide rails detachably mounted on a body; and an assembling work vehicle carried from the platform onto the guide rails. 4. The mobile assembly scaffold according to claim 1, wherein the horizontal support beam has a stopper whose lower end abuts on a railroad running ground. . 5. The mobile assembly scaffold according to claim 1, wherein a guide plate facing a rail for a vehicle is attached to the wheel.