JP2624623B2 - Material transport vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle for transporting materials such as rails and sleepers that constitute a railroad track.

[0002]

2. Description of the Related Art Rails, sleepers and the like constituting a railroad track are regularly inspected and repaired, and are replaced at regular intervals. For transporting materials such as rails and sleepers, a material transport vehicle as shown in FIGS. 7 and 8 is used.

As shown in FIG. 7, a material transport vehicle is equipped with a crane device (2) on a traveling vehicle (1), and is used by connecting a plurality of, for example, three, and the connected material transport vehicles. Put materials such as new rails and sleepers over the
The vehicle is towed and carried to the work site by a towing vehicle. At the work site, new materials are dropped down to the side of the track (3), and old rails, sleepers and the like that have been removed are loaded and returned.

A crane device (2) for this material transporting vehicle
Is a deck (1a) of the traveling vehicle (1) as shown in FIG.
Are provided at both ends in the width direction of the upper surface of the crane, and the crane support (5) is provided with one of the support supports (4).
A) The crane (6) provided with the crane arm (6) is operated by turning the crane arm (6) extending horizontally from the upper part of the crane support (5) in the working direction, and supporting the crane (7). For example, rails (3
a) is lowered from the traveling trolley (1) to the side of the track (3), or materials placed on the side of the track (3) are loaded onto the traveling trolley (1).

The rail (3a) removed from the sleeper (3b) for replacement is placed beside the track (3), but its position is not always determined with respect to the track (3). , Placed on the left side of the track (3) or on the right side. Therefore, the arrangement of the crane arm (6) must be set according to the direction in which the rail (3a) is placed. Conventionally, a crane support (5) is supported by a support support (4).
A), the crane arm (6) is inverted, and then the crane support (5) is provided on the support support (4) provided on the opposite side.
B) to change the direction of the crane arm (6).

[0006] As another material transporting vehicle, a turntable is provided on a traveling trolley, a crane device is installed on the turntable, and the direction of the crane arm is changed by turning the turntable.

[0007]

In a material transporting vehicle of the type in which the crane column (5) is pulled out and inserted, a very large number of workers are required because the crane device (2) is very heavy. If the number of workers is small, another crane for lifting or changing the direction of the crane device (2) is required, and a replacement crane must be prepared for each replacement work. The work was cumbersome and time consuming.

Further, in a turntable type material transport vehicle, since the crane device is very heavy, the working crane device cannot be supported only by the turning shaft of the turntable, and the turntable is mounted on the deck of the traveling trolley. It must be seated and locked so that it does not float during work. Therefore, when changing the direction of the crane, the lock of the turntable must be released, the turntable must be once floated and turned, then seated after turning, and locked again, which is very troublesome. Further, a turning drive mechanism and a lock mechanism for the turntable are required, so that the device becomes large-scale and the cost is high.

SUMMARY OF THE INVENTION An object of the present invention is to provide a material transporting vehicle having a simple structure and capable of changing the direction of a crane device with a small number of people.

[0010]

SUMMARY OF THE INVENTION The present invention relates to a traveling vehicle traveling on a track, and is provided on a deck of the traveling vehicle in a direction intersecting with the track , and is provided with a portion to be gripped in a lateral direction.
And a guide rail formed so that
Up and down to sandwich the gripped part from the up and down direction at a predetermined interval
Two pairs of rolling rollers on one side of the inner wall
Slide block with eight bearings
One side between the inner wall surface of the rack and the gripper of the guide rail
Are arranged in two on each side and four on both sides, on the side of the gripped portion.
A sliding member that slides on the surface and
And rotatably retained crane pillar in a direction, a crane arm on top of the crane pillar has been extended to be movable in the horizontal direction, moves itself in the horizontal direction to the crane arm
A material handling vehicle having a loaded suspended top to standing.

[0011]

The material transport vehicle moves the slide block to the right end of the guide rail, rotates the crane support and extends the crane arm to the left, and lowers the material on the traveling bogie to the left of the track, or The material placed on the left side can be loaded, the slide block is moved to the left end, the crane support is rotated, and the crane arm is extended to the right, so that the material on the traveling trolley can be lowered to the right side of the track, or Materials placed on the right side can be loaded.

As described above, the crane can be easily and quickly arranged on the left and right sides of the track only by sliding the slide block in the width direction and rotating the crane support.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same components as in the prior art are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIGS. 1 to 3, the crane device of the material transporting vehicle is mounted on the upper surface of the deck (1a) of the traveling vehicle (1) traveling on the track (3) in the width direction orthogonal to the traveling direction. A guide rail (10) having a T-shaped cross section is installed, and a saddle-shaped slide block (1) is mounted on the guide rail (10).
1) is slidably mounted. Guide rail (1
Before the rear end of 0) is provided with a wide stopper width than the guide rail (10) so as not slide block (11) protrude (12A) (12B).

As shown in FIGS. 2 and 4, the slide block (11) is provided with rolling rollers (13) sandwiching the guide rail (10) from above and below on the inner wall surfaces on both sides, and the guide rail (10) Sliding members (14) are attached to both sides to prevent backlash by sliding contact. A guide tube (15) is fixed upright on the upper surface of the slide block (11),
The crane support (16) is rotatably supported by the guide tube (15).

As shown in FIG. 4, the crane support (16) has a small-diameter shaft portion (17) formed at a lower portion thereof, and the small-diameter shaft portion (17) is inserted into the guide cylinder (15) to form a bearing (20). )
It is rotatably supported at (21). Further, a flange (16a) formed at the upper end of the small diameter shaft portion (17) is overlapped with the flange (15a) at the upper end of the guide tube (15), and a support lock pin (22) is passed between the two to thereby provide a crane support (16) is stopped at a predetermined angle. An arm support member (23) is provided above the crane support (16). The arm support member (23) is provided with a through hole (25) through which a crane arm (24) to be described later penetrates at the center, and the crane arm (2)
4) A roller (26) that slidably holds the sheet from above and below is rotatably mounted.

The crane arm (24) has an I-shaped cross section and is formed to have a length slightly shorter than the vehicle limit width. The crane arm (24) has a crane (7) slidably mounted thereon. The tow rod (3) attached to the upper end of the arm support (23) of the crane support (16) is attached to two locking brackets (27A) (27B) provided at the top of the upper surface.
The hook (31) at the tip of 0) is selected and locked, and the tip of the crane arm (24) is pulled. The tow rod (30) has an intermediate portion connected by a turnbuckle (32), and the length can be adjusted by rotating the turnbuckle (32). The tow rod (30) locks the hook (31) to the locking bracket (27A) on the tip side during the movement, and the hook (3) during the operation.
1) is locked to a locking bracket (27B) on the rear side.

At the rear end of the crane arm (24), a lock piece (33) is formed so as to protrude to the side, and as shown in FIG.
3) The arm lock pin (35) is inserted into the lock plate (34) formed on the rear end face and overlaps, and the arm lock pin (35) is passed through the overlapped lock piece (33) and the lock plate (34). Crane arm (2
4) is locked, and the tip of the crane arm (24) is made to protrude sideways from the traveling vehicle (1).

In the material transporting vehicle, as shown in FIG. 1, the slide block (11) is driven by the guide rail (1).
In the state at the right end of (0), the crane arm (24) is extended to the right, and the hook (3) at the tip of the tow rod (30) is extended.
1) is locked to the locking bracket (27A) on the tip side of the crane arm (24), and the crane support (16) is rotated so that the crane arm (24) is parallel to the track rail (3c). The crane arm (24) is fixed within the vehicle limit width by fixing with the support lock pin (22).

Upon arrival at the site, the strut lock pin (2
2) Remove, rotate the crane arm (24) in the working direction, fix it with the strut lock pin (22), and hook the hook (31) of the tow rod (30) with the locking bracket (27A).
And move the crane arm (24) to the left,
The hook (31) is replaced with the rear locking bracket (27B), and the arm lock pin (35) is connected to the lock piece (33) of the crane arm (24) and the arm support member (2).
3) Insert it between the lock plate (34) and fix the crane arm (24) in the working position. Thereafter, the crane (7) is operated to lower materials such as rails and sleepers placed on the traveling trolley (1) to the left of the track (3), or to remove materials placed on the left of the track (3). Traveling trolley (1)
Or to load.

When lowering or loading materials on the right side of the track (3), the slide block (11) is slid to the left end as shown in FIG.
The guide cylinder (1) provided on the slide block (11)
5) Once the strut lock pin (22) fixing the crane strut (16) is removed, the crane strut (16) is rotated, the crane arm (24) is turned to the right, and the strut lock pin (22). And the flange (15a) of the guide tube (15) and the flange (16) of the crane support (16).
Reinsert it into a) and fix the crane column (16).
In this state, the crane (7) is operated to unload new materials or load old materials to the right side of the track (3).

When the operation is completed, the arm lock pin (35)
Once, the hook (31) of the tow rod (30) is removed from the locking bracket (27B), and the crane arm (2
4) is moved to the left side to fit within the vehicle limit width, and the hook (31) is replaced with the locking bracket (27A) at the tip. The arm lock pin (35) is connected to the arm support member (2).
It is inserted into the lock plate (34) provided in 3). In this state, the user moves to the next site.

The base of the crane arm (24) may be integrally connected to the crane support (16) as in the prior art. If the crane arm (24) is configured to be slidable as in the embodiment, the crane arm (2) can be slid during operation.
4) The work can be performed by projecting the tip of the carriage 1 largely to the side, which facilitates the work. Moreover, the crane arm 24 can be stored within the limit width of the vehicle while moving, so that the vehicle can travel safely. it can.

[0024]

According to the present invention, the crane can be easily and quickly arranged on the left and right sides of the track only by sliding the slide block in the width direction and rotating the crane support. That is, by moving the slide block to the right end of the guide rail, rotating the crane support and extending the crane arm to the left, the material on the traveling trolley can be lowered to the left of the track, or the material placed on the left of the track can be removed. By moving the slide block to the left end, rotating the crane support and extending the crane arm to the right, the material on the traveling trolley can be lowered to the right of the track, or the material placed on the right of the track can be loaded. Can be loaded. In this way, there is no need to lift or rotate the crane device, and the arrangement of the crane can be easily changed by a small number of workers.

[Brief description of the drawings]

FIG. 1 is a front view of a material transport vehicle according to the present invention.

FIG. 2 is a side view of the material transporting vehicle according to the present invention.

FIG. 3 is a plan view of a material transport vehicle according to the present invention.

FIG. 4 is a sectional view showing a support structure of a crane support of the material transporting vehicle according to the present invention.

FIG. 5 is a side view showing a support structure of the crane arm of the material transporting vehicle according to the present invention.

FIG. 6 is a front view showing an example of the operation of the material transporting vehicle according to the present invention.

FIG. 7 is a schematic plan view showing a usage example of a material transport vehicle.

FIG. 8 is a front view showing a conventional material transport vehicle.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Traveling trolley 3 Track 3a Rail 7 Crane 10 Guide rail 11 Slide block 15 Guide cylinder 16 Crane support 23 Arm support member 24 Crane arm

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 54-93978 (JP, U) JP-A 53-90375 (JP, U) JP-48-13012 (JP, B1) JP-B 51- 3985 (JP, B2) Jiko 43-20244 (JP, Y1) Jiko 50-41654 (JP, Y1)

Claims (1)

(57) [Claims] 1. A traveling vehicle traveling on a track, and installed on a deck of the traveling vehicle in a direction intersecting the track .
A guide rail having a gripping portion projected in the left-right direction.
With a predetermined distance between the gripper and the gripped portion of the guide rail.
A pair of upper and lower rolling rollers sandwiched from above and below
8 slide slides on each side, 2 sets on each side
And the inner wall of the slide block and the guide rail
Between the gripped part and two on one side and four on both sides
A sliding member that slides in contact with a side surface of the gripped portion, a crane support that is rotatably held in the slide block in a horizontal direction, and a crane support that is horizontally mounted on top of the crane support.
A material transporting vehicle including a crane arm movably extended and a hanging portion movably mounted on the crane arm in a horizontal direction .