JP6871609B2 - Moving equipment for PC sleepers and how to move PC sleepers - Google Patents

Description

The present invention relates to a moving device for PC sleepers used to move PC sleepers along the extending direction of rails when maintaining a railroad track, and a method for moving PC sleepers.

One of the maintenance of railway tracks is to replace the ballast on the trackbed from the old one to the new one.
When replacing ballast, it is necessary to move the PC sleepers to a place that does not interfere with the work in order to make it easier to remove the old ballast and bring in new ballast, but to move the heavy PC sleepers Takes a lot of effort.
As a device for reducing the labor required for such ballast replacement work, a mobile trolley for PC sleepers that enables the PC sleepers to be easily moved is known (see, for example, Patent Document 1).

As shown in FIG. 3, the mobile trolley 1 for PC sleepers is fixed to the shoulder K fixed to the PC sleepers M by bolts 5, and the PC sleepers are fixed to the left and right rails R, respectively. The mobile trolley 1 for use is attached and used.
Specifically, the moving carriage 1 for PC sleepers has a main roller 2 that abuts on the upper surface of the bottom B of the rail R and rolls, and a guide roller 3 that abuts and rolls on the side surface of the abdomen A of the rail R. It has a function of allowing the PC sleeper M, which is integrated with the shoulder K, to be moved along the extending direction of the rail R in a state of being suspended from the rail R.
The shoulder K is for attaching a spring member such as a pandarol clip for fastening the rail R to the PC sleeper M, and has a clip insertion hole H for attaching the clip, and the PC sleeper has a clip insertion hole H in advance. It is fixed in M.

Japanese Unexamined Patent Publication No. 2012-36598

However, in the case of the mobile trolley 1 for PC sleepers of Patent Document 1, if a seam plate is arranged on the abdomen A of the rail R at the seam of the rail R, the guide roller 3 comes into contact with the seam plate. Since the moving carriage 1 for PC sleepers cannot move before the seam plate, there is a problem that the moving range of the moving carriage 1 for PC sleepers is limited between the joints of the rails R.

An object of the present invention is to provide a moving device for PC sleepers and a method for moving the PC sleepers, which can suitably move the PC sleepers along the extending direction of the rail.

In order to achieve the above object, one invention according to the present application is
It is a moving device for PC sleepers for moving the PC sleepers in the extending direction of the rail while hanging from the rail when maintaining the railway track.
A frame body in which a through hole is formed at a position where it can communicate with a clip insertion hole of a shoulder that is fixed in advance on the PC sleeper, and a frame body.
The clip insertion hole aligned so as to communicate with the rod-shaped member inserted into the through hole,
A main roller that rolls in contact with the upper surface of the bottom of the rail,
A guide roller that rolls in contact with the end face of the bottom that intersects and contacts the top surface of the bottom.
I tried to prepare.

If the PC sleeper moving device having such a configuration is attached to the PC sleeper by connecting the shoulder fixed to the PC sleeper via a rod-shaped member, the PC sleeper moving device suspends the PC sleeper from the rail. Can be held down.
The moving device for PC sleepers is provided with a main roller that abuts on the upper surface of the bottom of the rail and rolls, and a guide roller that abuts on the end surface of the bottom of the rail and rolls. The PC sleepers held in this way can be suitably moved along the extending direction of the rail.

In particular, the main roller and guide roller provided in this mobile device for PC sleepers do not roll in contact with the abdominal side surface of the rail, so even if a seam plate is arranged on the abdomen of the rail, the main roller and the guide roller do not roll. The seams do not interfere with the moving equipment for PC sleepers that move along the rails.
That is, in the moving device for PC sleepers according to the present invention, the PC sleepers held so as to be suspended from the rail can be moved in the extending direction of the rail by passing through the joint of the rail.

Also, preferably
At least two main rollers are provided in the front-rear arrangement along the moving direction of the PC sleeper moving device.

For example, in the above-mentioned conventional moving trolley for PC sleepers, since there is only one main roller that abuts on the upper surface of the bottom of the rail and rolls, the moving trolley for PC sleepers swings back and forth around the main roller. It is easy, and when the moving trolley for PC sleepers moves along the rail, the PC sleepers sway back and forth, which hinders the movement.
On the other hand, in the moving device for PC sleepers according to the present invention, at least two main rollers that abut on the upper surface of the bottom of the rail and roll are provided in the front-rear arrangement along the moving direction, so that the moving device for PC sleepers is used. The moving device can move smoothly along the virtual line connecting the axes of the main rollers, and the above-mentioned problems have been solved.

Also, preferably
A posture adjusting member for adjusting the posture of the moving device for the PC sleepers with respect to the PC sleepers is provided.

The posture adjusting member adjusts the posture of the moving device for PC sleepers with respect to the PC sleepers. For example, the main roller preferably contacts the upper surface of the bottom of the rail, and the guide roller preferably contacts the end surface of the bottom of the rail. By doing so, the moving device for PC sleepers can be easily moved along the extending direction of the rail.

In addition, other inventions according to this application
A method for moving PC sleepers using the moving device for PC sleepers according to any one of claims 1 to 3.
The process of removing the clip that fastens the rail and the PC sleeper from the shoulder of the PC sleeper, and
The clip insertion hole of the shoulder from which the clip has been removed and the through hole are aligned, and the rod-shaped member is inserted into the clip insertion hole and the through hole that communicate with each other, and the PC sleeper is used for the PC sleeper. The process of attaching the moving equipment and
By moving the moving device for PC sleepers along the extending direction of the rail, the step of moving the PC sleepers suspended and held from the rail by the moving device for PC sleepers along the rail.
To have.

By doing so, the PC sleepers can be suitably moved along the extending direction of the rail.
In particular, the main roller and guide roller provided in the moving device for PC sleepers do not roll in contact with the abdominal side surface of the rail, so even if a seam plate is arranged on the abdomen of the rail, the seam It does not interfere with the moving equipment for PC sleepers, where the board moves along the rails.
That is, the PC sleeper moving device can move the PC sleepers, which are held so as to be suspended from the rail, through the joints of the rails in the extending direction of the rails.

Also, preferably
The PC sleeper moving devices are used in pairs, and the pair of PC sleeper moving devices are placed inside the pair of rails so that the main roller and the guide roller abut on the bottom of the rail. Be sure to attach and use it.

Cables and metal fittings that connect the off-track railroad equipment and the rails may be laid on the outside of the paired rails, and the cables and metal fittings hinder the installation and movement of the moving equipment for PC sleepers. It can be a thing.
Therefore, by attaching a pair of PC sleeper moving devices used in pairs to the inside of the pair of rails, the PC sleeper moving devices can be suitably moved in the extending direction of the rails. This made it possible to move the PC sleepers to the desired position.

According to the present invention, the PC sleepers can be suitably moved along the extending direction of the rail.

It is a top view (a), a front view (b), and a side view (c) which show the moving device for PC sleepers of this embodiment. It is a top view (a) and a front view (b) which show the mode of using a pair of mobile equipment for PC sleepers. It is explanatory drawing which shows the moving carriage for PC sleepers of the prior art.

Hereinafter, embodiments of the mobile device for PC sleepers according to the present invention will be described in detail with reference to the drawings. However, although the embodiments described below are provided with various technically preferable limitations for carrying out the present invention, the scope of the present invention is not limited to the following embodiments and illustrated examples.
In the present embodiment, the extending direction of the rail R is the front-rear direction, the direction orthogonal to the paired rail R is the left-right direction, and the vertical direction orthogonal to the front-back direction and the left-right direction is the up-down direction.

The moving device 100 for PC sleepers is a device used to move the PC sleepers M along the extending direction of the rail R in a state of being suspended from the rail R when the railroad track is maintained.
As shown in FIGS. 1 (a), (b), (c) and 2 (a) and (b), the mobile device 100 for PC sleepers of the present embodiment is axially attached to the frame body 10 and the frame body 10. It is configured to include a main roller 20 and a guide roller 30, an adjusting bolt 40 arranged on the frame body 10, a rod-shaped member 50 for attaching the PC sleeper moving device 100 to the PC sleepers M, and the like.

The frame body 10 is a metal member and has rigidity.
The frame body 10 is formed with a through hole 11 through which the rod-shaped member 50 is inserted.
Further, the frame body 10 is provided with a support plate 12 on which the main roller 20 is axially attached and a pair of brackets 13 on which the guide roller 30 is axially attached.

The through hole 11 is formed at a position where it can communicate with the clip insertion hole H of the shoulder K, which is fixed in advance in the PC sleeper M.
Then, the rod-shaped member 50 is inserted into the clip insertion hole H and the through hole 11 of the shoulder K which are aligned so as to communicate with each other.
The rod-shaped member 50 is a metal member and has rigidity.
The PC sleeper moving device 100 is connected to the shoulder K, and the PC sleeper moving device 100 is connected to the PC sleeper M by being inserted into the clip insertion hole H and the through hole 11 of the shoulder K through which the rod-shaped member 50 communicates. It is designed to be attached to.

The main roller 20 is pivotally attached to a support plate 12 standing on the upper surface of the frame body 10. The shaft 21 of the main roller 20 is arranged so as to extend in the left-right direction so as to intersect the pair of rails R.
The main roller 20 is a roller member that rolls in contact with the upper surface B1 of the bottom portion B of the rail R, and is arranged in the front-rear direction along the moving direction of the PC sleeper moving device 100 in the extending direction of the rail R. There are two.

The guide roller 30 is axially mounted between a pair of brackets 13 projecting laterally from the frame body 10. The shaft 31 of the guide roller 30 is arranged in a direction extending in the vertical direction.
The guide roller 30 is a roller member that rolls in contact with the end surface B2 of the bottom portion B that intersects and is in contact with the upper surface B1 of the bottom portion B of the rail R, and is a roller member that rolls in the extending direction of the rail R for PC sleepers. Two are provided in the front-rear arrangement along the moving direction of the moving device 100.

The adjustment bolt 40 is a posture adjusting member screwed onto the upper surface of the frame body 10 from the upper side to the lower side, and by adjusting the amount of protrusion of the adjusting bolt 40 protruding to the lower side of the frame body 10. , The posture of the PC sleeper moving device 100 with respect to the PC sleeper M can be adjusted.
Specifically, the tip 41 of the adjusting bolt 40 is abutted against the upper surface of the PC sleeper M, and the posture of the PC sleeper moving device 100 with respect to the PC sleeper M is adjusted so that the main roller 20 is the bottom B of the rail R. The PC sleeper moving device 100 can easily move along the extending direction of the rail R by appropriately contacting the upper surface B1 of the rail and the guide roller 30 so as to preferably contact the end surface B2 of the bottom B of the rail R. Can be in a posture.

As shown in FIGS. 2A and 2B, the PC sleeper moving device 100 having such a configuration is used in pairs.
In particular, the pair of PC sleeper moving devices 100 are connected to two shoulders K between the paired rails R among the four shoulders K fixed to the PC sleepers M, and are connected to the main roller 20 and the guide. The rollers 30 are oriented so as to abut on the bottom B of the rail R, and are mounted on the PC sleepers M inside the pair of rails R.
In addition, cables and metal fittings for connecting the off-track railway equipment and the rail R may be laid on the outside of the paired rails R, and the cables and metal fittings are used to attach the PC sleeper moving device 100. The moving device 100 for PC sleepers of the present embodiment is attached to the inside of the paired rails R because it may become an obstacle to the movement.

In this way, if the PC sleeper moving device 100 is connected to the shoulder K fixedly attached to the PC sleeper M and the PC sleeper moving device 100 is attached to the PC sleeper M, FIG. 2 (b) shows. As shown, the PC sleeper moving device 100 can hold the PC sleepers M so as to hang from the rail R.
The PC sleeper moving device 100 includes a main roller 20 that abuts on the upper surface B1 of the bottom B1 of the rail R and rolls, and a guide roller 30 that abuts and rolls on the end surface B2 of the bottom B. Therefore, the PC sleepers M held so as to be suspended from the rail R can be suitably moved along the extending direction of the rail R.

In particular, the main roller 20 and the guide roller 30 included in the moving device 100 for PC sleepers of the present embodiment do not come into contact with the abdominal side surface of the rail R and roll, as shown in FIG. 2 (b). Even if the seam plate T is arranged on the abdomen of the rail R, the seam plate T does not interfere with the moving device 100 for PC sleepers that moves along the rail R.
That is, in the moving device 100 for PC sleepers of the present embodiment, the PC sleepers M held so as to be suspended from the rail R can be moved in the extending direction of the rail R by passing through the joint of the rail R.

Further, in the moving device 100 for PC sleepers of the present embodiment, two main rollers 20 that abut on the upper surface B1 of the bottom B of the rail R and roll are provided in the front-rear arrangement along the moving direction. Therefore, the PC sleeper moving device 100 can move smoothly along the virtual line connecting the axes of the two main rollers 20.
On the other hand, in the conventional mobile sleeper 1 for PC sleepers shown in FIG. 3, since there is one main roller 2 that abuts on the upper surface of the bottom of the rail R and rolls, the PC is centered on the main roller 2. The moving trolley 1 for sleepers tends to swing back and forth, and when the moving trolley 1 for PC sleepers moves along the rail R, the PC sleeper M swings back and forth, which hinders the movement. There were times when it came.
In the moving device 100 for PC sleepers of the present embodiment, the problem is solved by arranging two main rollers 20 in the front-rear direction.

Then, when the ballast is to be replaced as a railroad track maintenance, first, the Pandrol clip is removed from the shoulder K of the PC sleepers M in the range where the ballast is to be replaced.
Next, the clip insertion hole H of the shoulder K from which the clip has been removed and the through hole 11 of the frame body 10 are aligned, and the rod-shaped member 50 is inserted through the clip insertion hole H and the through hole 11 which are communicated with each other. A pair of PC sleeper moving devices 100 are attached to the sleepers M. After that, a part of the ballast around the PC sleeper M is removed from the moving range of the PC sleeper M.
Next, the PC sleeper M suspended and held from the rail R by the moving device 100 for PC sleepers is moved along the extending direction of the rail R to a position that does not interfere with the work.
In this way, after collecting a plurality of PC sleepers M within the range for exchanging ballasts in one place, the old ballasts are removed and new ballasts are brought in.
Next, the moved PC sleeper M is returned to the original position by the PC sleeper moving device 100, and the PC sleeper moving device 100 is removed from the PC sleeper M. By fitting the Pandrol clip into the shoulder K of the PC sleepers M and fastening the rail R with the PC sleepers M, the track maintenance for ballast replacement is completed.

As described above, with the moving device 100 for PC sleepers of the present embodiment, the PC sleepers M can be suitably moved along the extending direction of the rail R, and the labor required for the ballast replacement work is reduced. be able to.

The application of the present invention is not limited to the above-described embodiment, and can be appropriately changed without departing from the spirit of the present invention.

10 Frame body 11 Through hole 20 Main roller 21 Axis 30 Guide roller 31 Axis 40 Adjustment bolt (posture adjustment member)
41 Tip 50 Rod-shaped member R Rail B Bottom (bottom of rail)
B1 top surface (top surface of bottom)
B2 end face (bottom end face)
MPC sleepers K Shoulder H Clip insertion hole T Seam plate

Claims (5)

It is a moving device for PC sleepers for moving the PC sleepers in the extending direction of the rail while hanging from the rail when maintaining the railway track.
A frame body in which a through hole is formed at a position where it can communicate with a clip insertion hole of a shoulder that is fixed in advance on the PC sleeper, and a frame body.
The clip insertion hole aligned so as to communicate with the rod-shaped member inserted into the through hole,
A main roller that rolls in contact with the upper surface of the bottom of the rail,
A guide roller that rolls in contact with the end face of the bottom that intersects and contacts the top surface of the bottom.
A mobile device for PC sleepers, which is characterized by being equipped with. The moving device for PC sleepers according to claim 1, wherein at least two main rollers are provided in the front-rear arrangement along the moving direction of the moving device for PC sleepers. The moving device for PC sleepers according to claim 1 or 2, further comprising a posture adjusting member for adjusting the posture of the moving device for PC sleepers with respect to the PC sleepers. A method for moving PC sleepers using the moving device for PC sleepers according to any one of claims 1 to 3.
The process of removing the clip that fastens the rail and the PC sleeper from the shoulder of the PC sleeper, and
The clip insertion hole of the shoulder from which the clip has been removed and the through hole are aligned, and the rod-shaped member is inserted into the clip insertion hole and the through hole that communicate with each other, and the PC sleeper is used for the PC sleeper. The process of attaching the moving equipment and
By moving the moving device for PC sleepers along the extending direction of the rail, the step of moving the PC sleepers suspended and held from the rail by the moving device for PC sleepers along the rail.
A method of moving PC sleepers, which comprises having. The PC sleeper moving devices are used in pairs, and the pair of PC sleeper moving devices are placed inside the pair of rails so that the main roller and the guide roller abut on the bottom of the rail. The method for moving a PC sleeper according to claim 4, wherein the PC sleepers are attached and used.

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