JPS5819803B2 - Paved track sleeper replacement device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a sleeper clamping device used in paved track construction.

As shown in FIGS. 1 and 2, a conventional track bed has a rail 1 supported by sleepers 2, which are horizontally installed on ballast 3 made of crushed stone.

On the other hand, as shown in Figures 3 and 4, the paved track bed uses new sleepers (referred to as LPC) 4, which are wider than conventional sleepers, as the sleepers supporting the rails 1. 4 injects asphalt injection material 5 into the upper layer of the track bed ballast 3';
It is installed horizontally on a filled track bed, which prevents the crushed stone parast from becoming finer due to the impact of passing vehicles, significantly extending the life of the track bed.

There is no problem with newly constructed paved tracks with such characteristics, but if the existing trackbed is the same as shown in Figs. 1 and 2, the conventional trackbed shown in Fig.
In order to improve the paved track as shown in Figure 4, the rails must be removed or the construction method must be able to be constructed with the rails intact.

In particular, long rail sections could not be constructed in a short time.

Therefore, the present invention relates to a device that consistently performs the work of removing crushed stone ballast and old sleepers from the track bed, distributing new crushed stone ballast, and inserting wide new sleepers while leaving the existing rails as they are. .

An embodiment of FIGS. 5 to 11 will be described below.

Reference numeral 6 denotes an old sleeper transport vehicle for storing old sleepers.The upper part is equipped with a hoist 8 for loading and unloading the sleepers that can be moved on the guide 1, and the power roller conveyor 9 for moving and transporting the sleepers is installed in the center of the floor. It is equipped with

Furthermore, there are roller controllers for moving sleepers between the vehicles.

Bearers 10 are provided, and the removed sleepers are stored using these devices.

One or more of these old sleeper transport vehicles 6 are used in appropriate numbers.

11 is a new and old sleeper replacement car, and in the order of work direction: old sleeper manual 12, old sleeper lifter 13, old ballast scraper 14, new ballast spreader 15, compaction machine 16, new sleeper lifter 17, and new sleeper inserter. 18, a rail lifting machine 19 is provided.

Further, on the upper part of the floor, a power supply device 20 used for motive power and control of each of the above-mentioned working machines, a hydraulic power unit 21 for each hydraulic system, a near compressor 22 for train brakes, etc. are arranged.

The new and old sleeper replacement car 11 shown in the figure uses a two-shaft bogie car with a bending car, and both car bodies 1 of the two-shaft bogie car are divided in the center.
1', 11''G connection device 23, and a telescopic device 24 which can be bent and fixed so that the connection center can be freely positioned with respect to the center between the rails is attached to the vehicle bodies 11', 1.
1" in between, so that each work machine can be adapted to the replacement of sleepers on curved roads, etc.

It goes without saying that in the present invention, other appropriate vehicles can be used in addition to the bending vehicle described above.

25 is a power roller conveyor that sends the old sleeper 2 to the old sleeper transport vehicle 6, and 26 is a power roller conveyor that transports the new sleeper 4 from the new sleeper transport vehicle to the new sleeper elevator 17, which will be described later.

An example of the old sleeper removing machine 12 and the new sleeper inserting machine 18 will be explained with reference to FIGS. 8 and 9. The old sleeper removing machine 12 and the new sleeper inserting machine 18 have almost the same configuration.

- That is, a hydraulic cylinder 29 is installed in an arm 28 that is attached to a bracket 27 provided under the floor of the old and new sleeper changing car 11 so as to be able to rise and fall freely, and a sleeper gripping device 31 that grips sleepers with a hydraulic cylinder 30 is installed at the tip of the cylinder 29. A hydraulic cylinder 32 for rotating the sleeper gripping device 31 is also provided, and an oil pipe 33 connects the hydraulic cylinder 30 or 3.
2, and a hydraulic cylinder 34 is provided between the old and new sleeper changing car 11 and the arm 28, so that the arm 28 can be lifted up and down.

The old sleeper instruction machine 12 and the new sleeper insertion machine 18 are shown in Figure 6.
As shown in FIG. 7, they are provided to oppose each other.

The first example of the old sleeper lift 13 and the new sleeper lift 17
To explain with reference to FIG. 0, both sides 13 and 17 are constructed almost identically in this case as well.

That is, a hydraulic cylinder 38 is installed in the vertical direction on a movable base 31 that is provided so as to be movable in the rail 1 direction by a hydraulic cylinder 36 along a guide 35 on the old and new sleeper changing car 11.
It consists of a sleeper holding device 40 that can hold sleepers by a hydraulic cylinder 39 at the tip of the cylinder 38, and the new sleeper 4 is sent to the new sleeper elevator 17 by a power conveyor 26.
A stopper 41 for stopping the movement is provided on the movable base 37.

And the old sleeper elevator 13 is located behind the old sleeper manual 12.
The new sleeper elevator 17 is provided in front of the new sleeper inserter 18.

An example of the old ballast scraper 14 is a scraping plate 42 set on the ballast 3, scraped onto the scraping plate 42 as the vehicle advances, and stored in the old and new sleeper replacement car 11 by a conveyor or the like. Alternatively, it is discharged from the conveyor 43 along the track.

An example of the new ballast spreader 15 sequentially spreads ballast 3' stored in a tank 44 from a spreading plate 45.

An example of the rolling machine 16 vibrates a rolling plate 47 using a vibrator 46 to roll the spread ballast.

An example of the rail lifting machine 19 is a rail clamping device 49 that clamps the rail with another hydraulic cylinder at the tip of a hydraulic cylinder 48 attached to the old and new sleeper changing car 11. After clamping the rail, the hydraulic cylinder 47 is retracted to lift the rail. It is designed to lift up.

50 is a new sleeper transport vehicle that stores new sleepers, and has almost the same structure as the old sleeper transport vehicle 6, and is equipped with a hoist 52 for loading and unloading the sleepers that can be moved on a guide 51 on the upper part, and a floor surface A power roller conveyor 53 for moving and conveying sleepers is provided in the center.

Furthermore, there is a roller conveyor 5 for moving sleepers between vehicles.
4 are provided, and the new sleeper 4 to be used is sent to the new sleeper elevator 17 using these devices.

One or more new sleeper transport vehicles 50 are used.

An example of a variable vehicle advance device 55 that grips a rail and moves a vehicle at a fixed distance is as shown in FIG.
A forward hydraulic cylinder 58 is inserted inside, and a rail gripping device 60 for gripping the rail 1 by the hydraulic cylinder 59 is provided at the tip of the hydraulic cylinder 58.The hydraulic cylinder 59 is retracted and the rail gripping device 60 grips the rail. After that, the vehicle formation is moved at each sleeper interval by extending the forward hydraulic cylinder 58, and 61 is the hydraulic cylinder 59.
is a guide roller that guides the rail gripping device 60 on the rail 1 when the rail gripping device 60 is released from the rail by extending the rail gripping device 60 and the advancing hydraulic cylinder 58 is retracted to draw the gripping device 60. To explain the sleeper replacement work performed by a vehicle, the assembled vehicle configured as described above is moved forward and stopped at a predetermined position, the hydraulic cylinder 34 of the old sleeper manual 12 is retracted, the sleeper gripping device 31 is lifted up, and the sleeper gripping device 31 is lifted. Move the device 31 onto the old sleeper 2 from which the large needle has been removed,
Extend the hydraulic cylinder 34 and attach the sleeper gripping device 31 to the old sleeper 2.
When the hydraulic cylinder 30 is retracted, the old sleeper 2 is grabbed by the sleeper gripping device 31, and the hydraulic cylinder 29 is extended, the old sleeper 2 moves backward under the rail 1.

Then, by extending the hydraulic cylinder 32 and rotating the sleeper gripping device 31 by 90 degrees, the old sleeper 2 becomes parallel to the rail between the rails 1, and can be removed from under the rail 1.

Thereafter, the hydraulic cylinder 30 is extended to remove the sleeper gripping device 31 from the old sleeper 2, the hydraulic cylinder 34 is retracted, the sleeper gripping device 31 is lifted upward, the hydraulic cylinder 32 is retracted, and the sleeper gripping device 31 is reversed 90 It rotates back to its original position, retracts the hydraulic cylinder 29, moves the vehicle train forward, and removes the next old sleeper 2 in the same manner.

The removed old sleeper 2 is held by the sleeper holding device 40 by extending the hydraulic cylinder 38 of the old sleeper elevator 13 and retracting the hydraulic cylinder 39, and is lifted upward by retracting the hydraulic cylinder 38.

Then, the hydraulic cylinder 36 is retracted to move the old sleeper 2 onto the power roller conveyor 25, and the hydraulic cylinder 39 is extended to open the sleeper holding device 40 and the old sleeper 2 is placed on the power roller conveyor 25. are conveyed on the conveyor 25, the moving roller conveyor 10, and the power roller conveyor 9, transported to the old sleeper transport vehicle 6, and stored in the transport vehicle 6 by the hoist 8.

The old ballast 3 from which the old sleepers 2 have been removed is scraped out by the old ballast scraper 14 as the vehicle train moves forward, and is discharged to the side of the track or the like.

After the old ballast 3 is removed, new ballast 3' is spread by a new ballast spreader 15.

The sprinkled new ballast 3' is compacted by a compaction machine 17.

The new sleepers 4 transported from the new sleeper transport vehicle 50 by the power roller conveyor 53, the moving roller conveyor 54, and the power roller conveyor 26 are moved to the stopper 4 of the new sleeper elevator 17.
1, the hydraulic cylinder 39 is retracted and is clamped by the sleeper clamping device 40, and the hydraulic cylinder 36 is extended.
Extend the hydraulic cylinder 38 and pressurize the new ballast 3'
It is placed between the rails 1 and 1 parallel to the rail 1 above.

Then, the hydraulic cylinder 39 is extended to open the sleeper clamping device 40 to release the new sleeper 4, the hydraulic cylinder 8 is retracted to lift the device 40 upward, the hydraulic cylinder 36 is retracted, and the new sleeper elevator 17 returns to its original position.

Then, extend the hydraulic cylinder 28 of the new sleeper insertion machine 18,
The hydraulic cylinder 34 is extended, the hydraulic cylinder 30 is retracted, the new sleeper 4 is grabbed by the sleeper gripping device 31, the rail is lifted by the rail lifting machine 19, and the hydraulic cylinder 32
Retract the sleeper and rotate the sleeper gripping device 31 by 90 degrees to remove the new sleeper 4.
is inserted under the rail 1, the hydraulic cylinder 29 is retracted, and a new sleeper 4 is inserted at a predetermined position.

Then, the rail lifting machine is released to lower the rail, and at the same time, the hydraulic cylinder 30 is extended and the sleeper gripping device 31 is moved to the new sleeper 4.
the sleeper gripping device 31 by retracting the hydraulic cylinder 34.
lift upward.

The old and new sleepers are replaced as described above, and the old sleeper 2
After the old sleepers have been moved in and out to a certain extent, the old sleepers can be moved out and the new sleepers inserted at the same time.

Since this replacement work is carried out by moving the train set at each sleeper interval, if the work is carried out using the train car front connection 55 that grips the rail and moves it a fixed distance, it will be possible to accurately move the train a predetermined amount. The operation is as follows: retract the hydraulic cylinder 59, grip the rail 1 with the rail gripping device 60, extend the forward hydraulic cylinder 58,
The biased vehicle is advanced by a predetermined amount, and during the exchange of new and old sleepers, the hydraulic cylinder 59 is extended to release the rail gripping device 60 from the rail 1, and the forward hydraulic cylinder 58 is retracted to perform the next operation.

When there is an obstacle such as a point on the rail, another spare new sleeper transport vehicle 50 can be connected and the formation vehicle advance device 55 of that vehicle 50 can be used. It is not necessary to install it only on the sleeper transport vehicle 50, but it may be installed on any vehicle in the vehicle formation.

After completing the sleeper replacement work described above, asphalt injection and large needle driving will be carried out.

Since the present invention is configured as described above, all of the various operations for improving the paved track, including removing old sleepers and inserting and installing new sleepers, can be performed extremely efficiently with this device, and Since it can be done without removing the rails, it is possible to use the passing time of trains to upgrade to paved tracks, which can be expected to have a significant labor-saving effect.

[Brief explanation of the drawing]

Figure 1 is a cross-sectional front view of a conventional track bed, Figure 2 is a cross-sectional side view of Figure 1, Figure 3 is a cross-sectional front view of a paved track bed, and Figure 4 is a cross-sectional front view of a conventional track bed.
The figure is a cross-sectional side view of FIG. 3, FIGS. 5 to 11 show an embodiment of the device of the present invention, FIG. 5 is a plan view of a vehicle formation, and FIG. 6 is a front view of FIG. 5. , Figure 7 is a front view of the new and old sleeper changing vehicle, Figure 8 is a partially sectional front view of the old sleeper removal machine or new sleeper insertion machine, Figure 9 is the plan view of Figure 8, and Figure 10 is the old FIG. 11 is a front view of the sleeper elevator or the new sleeper elevator, and FIG. 11 is a front view of the new sleeper transport vehicle and the vehicle formation advancing device that grips the rail and moves it a fixed distance. 6 is an old sleeper transport vehicle, 11 is a new and old sleeper replacement car, 12 is an old sleeper removal machine, 13 is an old sleeper elevator, 14 is an IEI/<last scraper, 15 is a new ballast spreader, 16 is a compaction machine, 1
7 is a new sleeper lifter, 18 is a new sleeper insertion machine, 19 is a rail lifting machine, 50 is a new sleeper transport vehicle, and 55 is a vehicle formation advance machine.

Claims (1)

[Scope of Claims] 1. A sleeper replacement device for paved track consisting of the following sleeper transport vehicles, old and new sleeper replacement vehicles, and new sleeper transport vehicles. 1) The sleeper transport vehicle includes a storage section for storing old sleepers, a roller conveyor for carrying in the sleepers, and a hoist for cargo handling. 11) The new and old sleeper replacement vehicle is: ■ A hydraulic cylinder is installed in the arm that is attached to the bracket so that it can be raised and lowered freely, and a sleeper gripping device is installed at the tip of this hydraulic cylinder to grip the center part of the sleeper with the hydraulic cylinder, and the sleeper gripping device The old sleeper instruction machine and the new sleeper insertion machine consist of a hydraulic cylinder that rotates the device. ◎ A hydraulic cylinder is attached vertically to a movable platform that is movable in the rail direction by a hydraulic cylinder along a guide. A sleeper clamping device is installed at the tip of this hydraulic cylinder to allow the sleeper to be held by the hydraulic cylinder, an old sleeper elevator and a new sleeper elevator for transferring the sleeper to a roller conveyor, and a scraping plate facing in the direction of vehicle travel to scrape off the ballast. ■ A new ballast spreader equipped with a scattering plate to spread the new ballast loaded on the vehicle in the direction of travel; ■ A compaction machine that vibrates and compacts the new ballast that has been spread; It consists of hydraulic jacks installed at both ends of the rear and a rail lifting machine with a rail clamping mechanism installed at the tip. 111) The new sleeper transport vehicle is equipped with a storage section for storing new sleepers and a roller conveyor hoist for carrying out the sleepers.