JP3368430B2 - Scaffolding equipment for railway tracks - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a railroad track scaffolding device mainly used for painting work, maintenance and inspection work on structures on a railroad track such as overhead power supply beams.

[0002]

2. Description of the Related Art Conventionally, when painting or maintaining or inspecting overhead power lines for power supply in railroad tracks, do frame materials such as iron pipes and working floor materials such as steel plates form a scaffold? ,
Or, as for the equipment such as scaffolding equipment with a lift, which is difficult to transport into the track by human power, a method of loading the scaffolding equipment on a railroad vehicle and getting it on from a railroad crossing is known, These are used to secure a foothold.

[0003]

However, the time that can be worked on the railroad track is about 3 to the time from the last train to the first train.
It is limited to a short time such as 4 hours, and when constructing the above-mentioned scaffolding, the temporary construction and removal work are very troublesome and time-consuming, requiring a lot of work time, and most of the limited workable time. There is a problem in that temporary work and removal work must be spent, and even when using a railroad vehicle, if the work site is far from the boarding place such as a railroad crossing, considerable time will be consumed until it arrives there. .

In view of the state of the art, it is an object of the present invention to provide a railway track scaffolding device which can be installed and removed reliably in a short time.

[0005]

The features of the present invention for solving the above-mentioned conventional problems and achieving the intended purpose are as follows.
A trolley that can be manually carried in on a rail, a pair of telescopic columns slidably connected to a tubular member made of a lightweight metal material that is detachably attached to the trolley, and a fluid pressure jack that extends and contracts the telescopic column. A pair of working floors each formed on the upper end of the telescopic column and formed of a lightweight metal material; a closing floor plate that is storably mounted on one of the working floors and closes a gap between the working floors; And a scaffolding plate for connecting between a mounting member installed on the side of the work target ,
A pair of through-holes for mounting that open vertically are provided on the trolley,
Attach the mounting plate to the truck so that the lower opening of the through hole is closed.
The expansion column through the mounting through hole,
It is attached to the trolley via an attached plate .

It is preferable that the work floors are installed side by side according to the number of adjacent tracks, and the adjacent work floors are connected to each other by a scaffolding board. A plurality of outriggers capable of adjusting the levelness of the carriage are detachably attached to the carriage. Preferably, the trolley is provided with a pair of through-holes for mounting which are opened up and down, the mounting plate is fixed to the trolley frame so as to close the lower side opening of the through-hole, and the telescopic column passes through the inside of the through-hole for mounting. It is preferably attached to the trolley via a mounting plate.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a railroad track scaffolding device according to the present invention will be described with reference to FIGS.

In the figure, 1 is an overhead power line beam for power supply,
Reference numeral 2 is an overhead line, 3 is a track, 4 is a railroad track scaffolding device, and 5 is a scaffolding board.

The overhead power supply beam 1 for power supply is composed of the side columns 1a, 1a of the truss structure and the horizontal beam 1b of the truss structure, and the overhead wire 2 is suspended from the horizontal beam 1b. A mounting member 6 such as a single pipe is horizontally attached to the side pillar 1a with a mounting metal fitting (not shown) according to the working height.

The railroad track scaffolding 4 includes three rail-mounted scaffolds.
a, 3a, a trolley 10 that is movable, outriggers 12, 12 that fix the trolley 10 to the ground and adjust the levelness, and a pair of telescopic columns 13 and 13 that are detachably attached to the trolley 10. And a hydraulic jack for expanding and contracting the telescopic column 13, a pair of work floors 14 and 14 respectively attached to the upper ends of the telescopic columns 13, and a space between the work floors that is attached to one of the work floors 14 so as to be stowable. A closed floor plate 15 for closing is provided.

The trolley 10 is provided with a trolley frame 10a formed of a light metal material such as aluminum in a flat plate shape, and a plurality of wheels 11, 11 ... Which allow the trolley frame 10a to travel on rails.

The bogie frame 10a has through holes 16 and 16 for mounting which are formed at the center of both sides in conformity with the shape of the lower end of the telescopic column 13 and which are opened vertically, and the front end and both end portions of the surface of the bogie frame 10a. , And outrigger mounting portions 17, 17 ... Comprising a pair of mounting pieces 17a, 17a projectingly provided at each of two rear end portions, and mounting holes 17b, 17b formed in the mounting piece 17a. .
In addition, the wheels 1 are located in the front and rear of the center of the bottom of the bogie.
Bearings 18, 18 for incorporating 1, 11, ... Are provided. In addition, in the central portion of the bottom surface, the mounting through-hole 1
A mounting plate 19 is fixed by screws or the like so as to close 6, 6 from the bottom side.

The outrigger 12 is provided with a square bar-shaped beam portion 21. A screw rod 22 is vertically screwed to one end of the beam portion 21, and an adjusting handle 23 is provided on the upper end of the screw rod 22.
A grounding fitting 24 having an insulating plate 24a at the bottom is attached to the lower end. Further, bolt through holes 25, 25 are formed at the other end of the beam portion 21 at positions corresponding to the mounting holes 17b provided in the mounting piece 17a of the outrigger mounting portion 17.

The expansion / contraction column 13 is made of aluminum and has a rectangular tubular shape 26a, 26b, 26c, 26d having different outer dimensions.
Are slidably connected to each other, and a square plate-like brim portion 2 having fixing holes 27, 27 at four corners at its upper end and lower end.
8 and 28 are fixed. Then, a hydraulic jack is provided inside the telescopic column 13, and by operating this jack, the square tubular members 26a, 26b, 26c, 2
6d slides to expand and contract.

The work floor 14 is formed of a lightweight metal material such as aluminum into a flat plate shape, and handrails 29, 29 are detachably attached to the front and rear ends of the work floor 1.
Screw holes 30, 30 ... Are provided at positions corresponding to the fixing holes 27, 27 ... of the collar portion 28 attached to the upper end of the expandable column 13 in the central portion of the bottom surface of 4. Further, a closed floor plate 15 is attached to one of the pair of work floors 14, 14 via a hinge 31.

Next, the procedure for installing the railroad track scaffolding device 4 will be described.

The trolley 10 is manually loaded from the shoulder of the road and installed on the rails 3a, 3a.
Set the outriggers 12, 12 ... to 7, 17 ..., and attach the bolts to the mounting holes 17b, the bolt through holes 25, the mounting holes 17b.
And tighten it with a nut to fix. Then, turn the handle 23 of each outrigger 12 to lower the screw rod 22,
The ground metal fitting 24 is grounded to the rail 3a or the ground,
Is fixed to the ground, and the screw rod 22 of each outrigger 12 is moved up and down to adjust the angle so that the carriage 10 is horizontal to the ground.

Next, the lower ends of the telescopic columns 13, 13 ... In the contracted state are inserted into the mounting through holes 16, 16 and bolts are inserted into the fixing holes 27, 27.
The telescopic column 13 is fixed to the carriage 10 by being screwed into a screw hole provided at a position corresponding to the fixing hole. When the pair of expansion / contraction columns 13 and 13 are attached, the two expansion / contraction columns are connected by a lateral connection 32.

After that, the work floor 14 is attached to the upper end of the telescopic column 13.
Are mounted on each of them, and the work floor 14 is fixed to the telescopic column 13 by screwing them through the collar portion 28. At this time, the closing plate 15
Are stored in the work floor 14 in a flipped up state.

Next, the lifting unit 33 for operating the hydraulic jack is mounted on the trolley 10 and the piping and wiring required for its operation are carried out. Then, the hydraulic jack is operated to extend the telescopic column 13 and lift the working floor 14 to the working height.

When the working floor 14 is lifted to the working height, the closing floor plate 15 is moved to the gap side to close the gap between the working floors.

The scaffolding device 4 is similarly installed on the adjacent tracks, and the work floors 14, 4 of the adjacent scaffolding devices 4, 4 are installed.
FRP scaffolding boards 5, 5 between the work floors 14 and between the work floors 14 and the mounting members 6 mounted on the side posts 1a of the overhead wire beam 1.
... will be connected and scaffolding will be completed.

In the above-mentioned embodiment, the case where the track is a double track has been described, but when a plurality of tracks are adjacent to each other, scaffolding devices are installed according to the number of the tracks, and scaffolding boards are provided between the work floors of the scaffolding devices. A stable scaffold is formed by connecting by.

It should be noted that other than the overhead beam of the truss structure, any structure may be used as long as a mounting member capable of mounting the scaffolding plate on the side of the work object can be installed.

In the above embodiment, the case where the square tubular members are slidably connected and they are expanded and contracted by the hydraulic jack has been described. However, instead of the square tubular members, a cylindrical member or another tubular member may be used. Instead of the hydraulic type, another hydraulic type jack such as a hydraulic type may be used.

In the above-mentioned embodiment, the closed floor plate 15 is attached to the work floor 14 via the hinge 31.
If 5 is stored in the work floor 14, it may be attached by another method such as a slide method.

It should be noted that the handrail 29 may be mounted over both working floors 14, 14 after the working floor 14 is lifted to the working height.

[0028]

EFFECTS OF THE INVENTION A dolly that can be manually loaded onto a rail, a pair of telescopic columns slidably connected to a tubular member made of a lightweight metal material that is detachably attached to the trolley, and the telescopic column. A fluid pressure type jack for expanding and contracting, a pair of working floors each formed on a top end of the expanding and contracting column and formed of a lightweight metal material, and a closing floor plate that is storably mounted on one of the working floors and closes a gap between the working floors. And a scaffolding plate that connects the work floor and a mounting member installed on the side of the work target, it is possible to perform temporary installation and removal work reliably in a short time without worrying about overhead lines. A lot of time can be secured.

Further, by equipping the trolleys with the number of adjacent tracks and connecting the work floors on the trolleys with scaffolding plates, a scaffold suitable for the number of tracks can be formed even in a wide place. You can

Further, by detachably attaching a plurality of outriggers to the carriage, the scaffolding can be kept horizontal regardless of the inclination of the track, and the stability can be increased.

Further, a pair of mounting through-holes opened vertically are provided in the truck, the mounting plate is fixed to the truck so as to close the lower opening of the through-hole, and the telescopic column passes through the mounting through-hole. Since it is attached to the trolley via the attachment plate, the assembly work position can be lowered.

[Brief description of drawings]

FIG. 1 is a front view showing an example of an embodiment of a railroad track scaffolding device according to the present invention.

FIG. 2 is a plan view of the above.

3 is a cross-sectional view taken along the line AA in FIG.

FIG. 4 is an exploded perspective view showing an example of a railway track scaffolding device according to the present invention.

5A is a plan view showing the truck in FIG. 4, FIG. 5B is a bottom view thereof, FIG. 5C is a side view thereof, and FIG. 5D is a sectional view taken along line BB of FIG.

FIG. 6 is a perspective view showing a telescopic column in FIG.

7 (A) is a plan view showing the work floor in FIG. 4, (B).
Is a front view and (C) is a side view.

FIG. 8 is a partial cross-sectional view showing a mounted state of the telescopic column.

FIG. 9 is a plan view showing an attached state of an outrigger.

10 is a cross-sectional view taken along line CC of FIG.

[Explanation of symbols]

1 Overhead beam for power supply 1a Side pillar 1b Horizontal beam 2 overhead lines 3 tracks 3a rail 4 Railroad scaffolding equipment 5 scaffolding board 6 Mounting members 10 carts 10a bogie frame 11 wheels 12 Outrigger 13 telescopic columns 14 Working floor 15 Closed floor board 16 Through holes for mounting 17 Outrigger mount 17a Mounting piece 17b Mounting hole 18 Bearing 19 Mounting plate 21 Beam 22 screw rod 23 Adjusting handle 24 Grounding bracket 24a insulating plate 25 bolt through hole 26 Cylindrical material 27 fixing holes 28 Tsuba 29 handrail 30 screw holes 31 Hinge 32 horizontal connection 33 Lifting unit

─────────────────────────────────────────────────── ───Continued from the front page (56) References JP-A-6-298087 (JP, A) JP-A-10-278785 (JP, A) Actual exploitation Sho-57-25900 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) B66F 9/06

Claims (3)

(57) [Claims] 1. A trolley that can be manually loaded onto a rail,
A pair of telescopic columns, which are detachably attached to the trolley and slidably connected to a tubular member made of a lightweight metal material, a fluid pressure type jack for extending and contracting the telescopic columns, and attached to the upper ends of the telescopic columns, respectively. And a pair of work floors formed of lightweight metal material, a closing floor plate that is storably mounted on one of the work floors and closes a gap between the work floors, and the work floors and the work target are installed on the sides of the work floors. A pair of mounting members that are provided with a scaffolding plate that connects between the mounting members
A through hole is provided, and the lower opening of the through hole is closed.
Fix the attached plate to the dolly, and insert the expansion column into the mounting
A railroad track scaffolding device characterized by being inserted into a hole and attached to a trolley via the attachment plate . 2. The scaffolding device for railroad tracks according to claim 1, wherein the scaffolding devices for railroad tracks are installed side by side according to the number of a plurality of adjacent tracks, and the adjacent work floors are connected by a scaffold plate. 3. The scaffolding device for a railroad track according to claim 1, wherein a plurality of outriggers capable of adjusting the levelness of the bogie are detachably attached to the bogie.