JP2542020Y2 - Sleeper replacement bucket - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sleeper replacement bucket used for a railroad crossing work in a railway track maintenance work.

[0002]

2. Description of the Related Art Railway track maintenance work includes a track bed replacement work for replacing crushed stone to become a bedrock and a sleeper replacement work for replacing a sleeper supporting rails. In recent years, attempts have been made to mechanize the maintenance work by using a work machine of a work vehicle running on rails.

[0003]

In order to mechanize sleeper replacement work in such mechanization of track maintenance work, a device for gripping a sleeper is attached to an arm end of an on-rail power shovel, and the sleeper is gripped by the sleeper gripping device. It is conceivable to lift and remove the sleepers from the roadbed, hold the new sleepers and place them on the roadbed.However, during the operation of changing the bedbed, remove the sleeper gripping device from the end of the arm and attach a bucket to the end of the arm to perform the bucket work. The sleeper gripping device and the bucket must be replaced every time the replacement work / bucket work is performed, and the replacement work becomes very troublesome.

Accordingly, an object of the present invention is to provide a sleeper replacement bucket which can hold a sleeper, rotate between rails to take out or insert a sleeper, and can also perform a bucket operation.

A bucket 29 is mounted on a mounting body 20 rotatably provided on the mounting base 12 via an electrical insulator 28, and support pieces 32 are mounted on both side plates 31 of the bucket 29.
And a clamp arm 37 is swingably supported on both upper sides of the bucket 29, and a cylinder 34 is connected between the clamp arm 37 and the bucket 29.

[Operation] By swinging the clamp arm 37 up and down with the cylinder 34, the sleeper can be gripped and released,
The bucket work can be performed by overlapping the clamp arm 37 and both side plates 31 of the bucket 29, and the bucket 29 and the clamp arm 37 can be rotated by holding the sleeper to rotate the sleeper between the rails. Is electrically insulated from the mounting base 12 to prevent signal trouble when the rail comes into contact with the rail.

[0005]

[Embodiment] As shown in FIG. 1, sleepers 3 are arranged at predetermined intervals on a roadbed 2 made of crushed stones 1, and rails 4 are laid on the sleepers 3 along the rails 4. A traveling work vehicle 5 is provided with a boom 6 and an arm 7 sequentially in such a manner as to be vertically swingable. It is. Next, the details of the sleeper replacement bucket 8 are shown in FIG.
This will be described with reference to FIG. A pair of vertical plate-shaped brackets 11, 11 is fixed to the upper surface of the
2, a disk 13 is fixed to the lower surface of the substrate 10 with bolts 14, a ring gear 16 is rotatably fitted to the disk 13 via a bearing 15, and a pinion meshed with the ring gear 16. Reference numeral 17 denotes a turning mechanism A provided on an output shaft 19a of a speed reducer 19 of a motor 18 provided on the substrate 10, and a mounting body 20 is bolted to a lower surface of the ring gear 16. The mounting body 20 has a hollow shape in which a lower plate 24 is fixed to one side plate 22 and the other side plate 23 fixed to the lower surface of the upper plate 21, and the upper plate 21 is fixed to the lower surface of the ring gear 16 by bolts 25. , A swivel joint 27 provided on the upper plate 21 via a bracket 26
Protrudes above the center hole 13a of the disk 13 and its rotating side engages with the bracket 11 so that pressure oil can be supplied from the mounting base 12 side to the main body 20 side. An upper rear surface of a bucket 29 is attached to a lower plate 24 of the attachment body 20 via an electrical insulator 28 with bolts 30. A cylinder 34 is supported on both sides of the upper part of the cylinder via trunnions 33, and its piston rod 35
Is connected to a clamp arm 37 pivotally supported by pins 36 on both upper sides of the bucket 29 with pins 38.

A bracket 11 of the mounting base 12 is pivotally connected to the tip of the arm 7 and the working machine cylinder 9,
By expanding and contracting the work machine cylinder 9, the sleeper replacement bucket 8 swings up and down. When the motor 18 is driven, the attachment body 20 turns, and the bucket 29 and the clamp arm 37 turn 360 degrees. Further, by expanding and contracting the piston rod 35 of the cylinder 34, the clamp arm 37 swings as shown by the imaginary line in FIG. 2 to grip the sleeper 3 with the support piece 32, and the clamp arm 37 is moved to the side plate 31 of the bucket 29.
Work with buckets overlapping with each other. Also, bucket 2
The signal trouble does not occur even when the bucket 29 and the clamp arm 37 touch the rail 4 because the 9 and the mounting body 20 are electrically insulated.

[0007]

The clamp arm 37 is vertically moved by the cylinder 34, so that the sleeper can be gripped or released by the clamp arm 37 and the support piece 32, and the clamp arm 37 is normally overlapped with the side plate 31 of the bucket 29. , The sleeper replacement work and the bucket work can be performed. The left and right clamp arms 3
Each of the cylinders 7 can be individually swung by the cylinder 34, so that the both sides in the longitudinal direction of the sleeper can be securely gripped, and there is no possibility of gripping with only one side and falling. Also, since the mounting body 20 is rotatably mounted on the mounting base 12, the sleeper can be rotated and mounted and removed while holding the sleeper between the rails with the bucket 29 and the clamp arm 37, so that a small work machine can be used. Can be attached, and the sleepers can be replaced even in narrow places. Also,
Since the bucket 29 and the mounting body 20 are electrically insulated, no signal trouble occurs even if the bucket 29 and the clamp arm 37 contact the rail.

[Brief description of the drawings]

FIG. 1 is a schematic front view of an entire work vehicle.

FIG. 2 is a front view of a sleeper replacement bucket.

FIG. 3 is a side view of a sleeper replacement bucket.

FIG. 4 is a plan view of a sleeper replacement bucket.

[Explanation of symbols]

12 mounting base, 20 mounting body, 28 electrical insulator, 2
9 bucket, 31 side plate, 32 support plate, 34 cylinder, 37 clamp arm, A turning mechanism.

Claims (1)

(57) [Scope of request for utility model registration] 1. A pivoting mechanism A for attaching a mounting body 20 to a mounting base 12.
And the electric insulator 28 is attached to the mounting body 20.
The upper part of the back of the bucket 29 is attached via the brackets, the supporting pieces 32 are attached to both side plates 31 of the bucket 29, and the clamp arms 37 are swingably supported on both sides of the upper back of the bucket 29, respectively. A sleeper replacement bucket, wherein a cylinder 34 is connected between the cylinder 34 and the upper rear surface of the bucket 29.