JP2598079Y2 - Work vehicle - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field]
The present invention relates to a work vehicle used for transporting and reversing a plate-like long material such as a C plate or an extruded plate.

[0002]

2. Description of the Related Art At a construction site, a plate-like long material such as an ALC plate or an extruded plate is used as a wall material for mounting work. However, this wall material has a large weight of 100 kg to 300 kg and it is hard work to handle it manually. And need multiple working vehicles.

[0003] That is, an example of an operation of attaching the above-mentioned long plate material as a wall material will be described. First, a plurality of long plate materials are placed on the floor in a pile. The superimposed plate-like long members are lifted one by one, placed on a trolley, moved by the trolley, placed on a processing table, and subjected to mounting processing such as drilling and mounting of metal fittings. Although the length member is mounted in a vertical orientation, the plate-shaped long member needs to be turned upside down during the above-described mounting process.

As described above, when a long plate is attached as a wall material, a lifting operation, a work for mounting on a table, an upside-down operation, and the like are performed. This is very hard work and requires multiple workers.

[0005] As a working vehicle for handling the above-mentioned plate-like long material, an elevating body is provided on a vehicle body, and a gripping mechanism is attached to the elevating body so as to be able to move forward and backward, rotate and vertically move, and is stacked. 2. Description of the Related Art There has been known an apparatus in which a body is gripped and lifted, and a task of carrying, transporting, moving back and forth, rotating, and moving from a horizontal direction to a vertical direction can be performed.

[0006]

In the conventional work vehicle described above, the plate-like long material cannot be turned upside down, and since the plate-like long material is gripped in the longitudinal middle portion, it is gripped when placed on a bogie or a processing table. The mechanism interferes with the trolley and the processing table, and it is very difficult to perform the mounting operation on the trolley and the processing table.

Accordingly, an object of the present invention is to provide a work vehicle capable of solving the above-mentioned problem.

[0008]

A vehicle body 1 having wheels,
A mast 6 attached to the vehicle body 1, a lift frame 9 which can be raised and lowered along the mast 6, and a lift frame 9 which is rotatable 180 degrees vertically in a downward posture and an upward posture near both right and left sides of the lift frame 9. A work vehicle comprising a left clamp mechanism 76 and a right clamp mechanism 36 mounted thereon, an elevating mechanism 20 for elevating and lowering the lift frame 9, and a vertical rotation mechanism 37 for vertically rotating the right clamp mechanism 36.

[0009]

[Operation] Left clamp mechanism 76 and right clamp mechanism 36
The right clamp mechanism 36 clamps the long plate-like material with
Is rotated up and down, the left clamp mechanism 76 rotates up and down together with the long plate material, so that the clamped long plate material can be turned upside down by 180 degrees. Also, the left clamp mechanism 7
6 and the right clamp mechanism 36 are separated in the left-right direction, so that the left and right clamp mechanisms 76 and 36 do not interfere with the bogie or the processing table when the clamped long plate-like material is placed on the bogie or the processing table. In addition, the long plate-like material can be correctly placed on a cart or a processing table.

[0010]

[Embodiment] As shown in FIG. 1, FIG. 2 and FIG.
Has a substantially U-shaped plane formed by a horizontal frame 2 and a pair of left and right leg frames 3, 3. A pair of left and right caster wheels 4, 4 are attached to the horizontal frame 2, and a fixed wheel 5 The fixed wheels 5 are mounted so that they do not protrude above the leg frame 3.

A mast 6 is attached to the horizontal frame 2 of the vehicle body 1, and the mast 6 is a pair of left and right vertical guides 7,
The upper stay 8 is connected to the upper part of
The lift frame 9 is supported so as to be able to move up and down along.

The lift frame 9 includes a vertical member 10 and a pair of left and right roller brackets 11. A pair of upper and lower front rollers 12 and a pair of upper and lower rear rollers 13 supported by the roller bracket 11 are provided on the front and rear surfaces of the vertical guides 7. The lift frame 9 is configured to smoothly move up and down in contact with the vertical plate 10. Right upper and lower cylinders 14 and 15 are attached to the vertical plate 10 horizontally at a vertical interval to form a right bearing. Left and right cylinders 16 and 17 are horizontally mounted at an interval vertically to form a left support portion, and left and right handles 18 and 19 are mounted on the vertical plate 10.

An elevating mechanism 20 is mounted over the lift frame 9 and the vehicle body 1. The elevating mechanism 20 is provided with a lift cylinder 21, a sprocket 23 provided on a piston rod 22, and a lifter wound around the sprocket 23. A chain 24 connected to the cylinder 21 and the lift frame 9, and a foot-operated pump 27 for supplying pressurized oil in a tank 26 to a lift chamber of the lift cylinder 21 by a pedal 25.
And a lever 28 for operating a valve for returning the pressurized oil in the raising chamber of the lift cylinder 21 to the tank 26. The lifting mechanism 20 is a conventionally known mechanism, and a detailed description thereof will be omitted.

The right slide frame 30 includes upper and lower horizontal members 31 and 32 extending in the left-right direction, a vertical member 33, and a forward horizontal member 34 protruding forward. 15 is slidably fitted to the right and left so as to be fixed by a lock bolt 35, and a right clamp mechanism 36 is turned 180 degrees vertically in a downward position and an upward position near the front end of the front cross member 34. An up / down rotation mechanism 37 is attached to freely rotate the right clamp mechanism 36 up and down by 180 degrees.

The right clamp mechanism 36 includes a main body 38,
A front slide arm 41 and a rear slide arm 42 slidably fitted in the left and right guide cylinders 39 and 40 of the main body 38, a front clamp piece 43 attached to the front slide arm 41, and a rear slide arm 42. And the front and rear slide arms 41,
A slide mechanism 45 is provided that slides 42 in a direction to move toward and away from and toward.

The front clamper piece 43 supports a clamp pad 47 on a mounting piece 46 fixed to the front slide arm 41 so as to swing a pin 48 in a clamping direction, and a cam rotatably supported on the mounting piece 46. The clamp pad 47 can be swung in the clamping direction and the unclamping direction by rotating the cam 49 with the lever 50 so that the rear clamping piece 44 is in contact with the rear surface of the clamping pad 47. Bracket 42a
, The clamp pad 51 is fixed.

The slide mechanism 45 is connected to a bracket 42a of the front slide arm 41 and the rear slide arm 42 and urges the gas spring 52 in the unclamping direction, and a bracket 42 of the rear slide arm 42.
a sprocket 54 supported by a ratchet handle 53 so as to be able to rotate forward and reverse, and a sprocket 54 wound around the sprocket 54 and having one end connected to the front slide arm 41 and the other end connected via a spring 55 to the front slide arm. consists chain 56 connected to 41, Rachiettoha
Forward sprocket 54, the reversed front slide arm 41 and the rear sliding arm 42 drawing by bundles 53
As shown in FIG. 2, a clamp operation is performed by sliding in the front-rear direction, and a clamping operation and an unclamping operation are performed by sliding the unram 41 and the rear slide arm 42 in the front-rear direction. Note that the gas spring 52 may be connected to the main body 38 and the front slide arm 41, and the sprocket 54 may be supported on the main body 38.

The front and rear slide arms 41, 42
Racks 57 are mounted opposite to each other.
Numeral 7 meshes with a pin-on 58 supported on the main body 38, so that the front and rear slide arms 41 and 42 slide in synchronization.

The vertical rotation mechanism 37 has a rotary plate 60, which is fixed to a rotary shaft 61 rotatably supported by the forward cross member 34. The rotary shaft 61 is provided on the main body 38. Fixed to the bracket 38a,
An endless chain 63 wound around a sprocket 62 rotatably supported on the forward cross member 34 is provided on the rotating plate 60.
The sprocket 62 is rotated forward and backward by the ratchet handle 64 to rotate the rotating plate 60.
Rotates forward and backward, and the right clamping mechanism 3 together with the rotating shaft 61.
6 is rotated 180 degrees up and down.

Like the right slide frame 30, the left slide frame 70 includes upper and lower horizontal members 71, 7 which are oriented in the left-right direction.
2, a vertical member 73, and a forward-facing horizontal member 74 protruding forward, and the upper and lower horizontal members 71, 72 are provided with left and right upper and lower cylindrical bodies 16, 17.
The left clamp mechanism 76 is attached to the front side of the front cross member 74 so as to be rotatable 180 degrees vertically in a downward position and an upward position. It is. Since the left clamp mechanism 76 has the same structure as the right clamp mechanism 36, the same reference numerals are used and the description is omitted.

The main body 3 of the left and right clamp mechanisms 76, 36
A stopper 77 is attached to 8 so as to be movable in a clamping direction and a direction perpendicular to the clamping direction, and a bolt 79 is screwed into any one of the plurality of bolt holes 78 and fixed.

Next, the operation will be described. As shown in FIGS. 2 and 3, the left clamp mechanism 76 and the right clamp mechanism 36 are set in the downward posture, and the left and right clamp mechanisms 76 and 36 are moved down together with the lift frame 9 so that the uppermost length of the long plate material A stacked. The front clamps 43 and the rear clamps 44 are located on both sides in the width direction of the plate-shaped body A.

At this time, the height of the stopper 77 is adjusted in accordance with the thickness of the elongated plate-shaped member A, and when the stopper 77 contacts the upper surface of the elongated plate-shaped member A, the front clamp piece 43, The rear clamp piece 44 has the correct clamp height.

Further, by loosening the lock bolts 35 and 75, the right slide frame 30 and the left slide frame 70
Swinging in the left and right directions with respect to the lift frame 9, the horizontal distance between the left clamp mechanism 76 and the right clamp mechanism 36 can be adjusted.

[0025] to oscillate the clamp pad 47 of the left and right front clamp piece 43 in the clamping direction in the above state, Rachie
The sprocket 54 is rotated forward with the handle 53 and the front slide arm 41 and the rear slide arm 42 are slid in the approaching direction to clamp the long plate-like body A, and the lift frame 9 is lifted to lift one sheet. Lift the lamella A. At this time, since the front clamp pieces 43 and the rear clamp pieces 44 are located at the same distance in the front-rear direction with respect to the vertical rotation center (rotation axis 61), the long plate-like material is correctly clamped in a horizontal posture and lifted. it can.

In this state, the vehicle body 1 is transported by carrying the left and right handles 18 and 19 to the bogie or the working table, and the lift frame 9 is lowered and unclamped to place the long plate-like material A on the bogie or the working table. Place on. At this time, the left clamp mechanism 76 and the right clamp mechanism 36 are located on the left and right sides of the bogie or the processing table with a right and left separation, and the left and right clamp mechanisms 76 and 36 do not interfere with the bogie or the processing table. The material can be correctly placed on the trolley or the processing table.

As described above, the left and right clamp mechanisms 76, 36
By rotating the sprocket 62 with the ratchet handle 64 of the vertical rotation mechanism 37 while the long plate-shaped material A is being clamped, the right clamp mechanism 36 sequentially rotates upward, thereby Since the left clamp mechanism 76 also sequentially rotates upward through the long plate material A, the left and right clamp mechanisms 76 and 36 are rotated 180 degrees to the upward posture while the long plate material A is being clamped. The long plate material A can be turned upside down.

To unclamp the long plate-like material A while clamping it, as described above, the slide mechanism 4 is used.
5. Rotate the ratchet handle 53 in the reverse direction to sprocket
The front slide arm 41 and the rear slide arm 42 may be slid in the direction in which the front slide arm 41 and the rear slide arm 42 are separated by rotating in the reverse direction. The long plate-shaped material A can be unclamped by swinging in the vertical direction.

Further, since the right slide frame 30 and the left slide frame 70 can be extracted from the lift frame 9 by loosening the lock bolts 35, 75, the work vehicle can be moved from the vehicle body 1, the mast 6, the lift frame 6, the left slide frame 70, It can be divided into three parts, the left clamp mechanism 76, the right slide frame 30, and the right clamp mechanism 36, which facilitates transportation between sites and can be mounted on a small elevator.

[0030]

[Effect of the Invention] Left clamp mechanism 76 and right clamp mechanism 3
Right clamp mechanism 3 with the long plate material clamped in 6
Since the left clamp mechanism 76 rotates up and down together with the long plate by rotating 6 up and down, the clamped long plate can be turned upside down by 180 degrees and only one vertical rotation mechanism 37 is required. The structure is simple and inexpensive. Further, since the left clamp mechanism 76 and the right clamp mechanism 36 are separated from each other in the left-right direction, when the clamped long plate-like material is placed on the trolley or the processing table, the left and right clamp mechanisms 76 and 36 are attached to the trolley or the processing table. The long plate-shaped material can be correctly placed on the carriage or the processing table without interference.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

FIG. 2 is a front view.

FIG. 3 is a plan view.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body, 6 ... Mast, 9 ... Lift frame, 20 ... Elevating mechanism, 30 ... Right slide frame, 36 ... Right clamp mechanism, 37 ... Vertical rotation mechanism, 38 ... Main body, 41 ... Front slide arm, 42 ... Rear part Slide arm, 43: front clamp piece, 44: rear clamp piece, 45: slide mechanism, 70: left slide frame, 76: left clamp mechanism.

Claims (6)

(57) [Scope of request for utility model registration] 1. A vehicle body 1 having wheels, a mast 6 attached to the vehicle body 1, a lift frame 9 which can be raised and lowered along the mast 6, and a downward posture and an upward posture near left and right sides of the lift frame 9. 18 up and down over the posture
A work vehicle comprising a left clamp mechanism 76 and a right clamp mechanism 36, which are rotatably attached to each other, an elevating mechanism 20 for raising and lowering the lift frame 9, and a vertical rotating mechanism 37 for rotating the right clamp mechanism 36 up and down. 2. A left slide frame 70 is slidably supported on the lift frame 9 in the left and right direction, and a right slide frame 30 is slidably supported on the lift frame 9 in the left and right direction. The working vehicle according to claim 1, wherein a left clamp mechanism (76) is attached to the right slide frame (30), and a right clamp mechanism (36) is attached to the right slide frame (30). Wherein it provided the right bearing the lift frame 9 and the left support portion, the right bearing to insert the right slide frame 30 can be transverse sliding, and supported freely withdrawn, left slide to the left support portion The frame 70 is slidable left and right and inserted.
3. The work vehicle according to claim 2, wherein the work vehicle is supported so as to be freely extracted. 4. The left ramp mechanism 76 and a right clamp mechanism.
36, the front slide arm 41 and the rear sliding arm 42 supported slidably on the body 38, the clamp direction to the front sliding arm 41, front clamp piece 43 is attached swingably unclamping direction, said 4. A rear clamp piece attached to the rear slide arm, and a slide mechanism which slides the front slide arm and the rear slide arm in a clamping direction and an unclamping direction. Working vehicle. 5. A rotary plate 60 for rotating a support shaft on a right clamp mechanism 36, a sprocket 62 for rotating forward and reverse with a ratchet handle 64, and the rotating body 37 wound around the sprocket 62. The work vehicle according to claim 1, wherein the work vehicle includes a chain connected to the work. 6. A means for slidably urging the front slide arm 41 and the rear slide arm 42 in the unclamping direction, and the slide mechanism 45 is supported on the rear slide arm 42 by a ratchet handle 53 so as to be rotatable forward and backward. The work vehicle according to claim 4, comprising a sprocket (54) and a chain (56) connected to the front slide arm (41) wound around the sprocket (54).