JP2929072B2 - Utility pole carrier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a utility pole carrier for transporting long utility poles.

[0002]

2. Description of the Related Art As shown in FIG. 5, a conventional utility pole carrier 1 has a utility pole 3 placed on the ground parallel to the side of the vehicle 2, and ropes 4 and 5 are respectively hung before and after the utility pole 3. 4,
5 is wound up by winches 6 and 6, the utility pole 3 is pulled up along the side of the vehicle 2 while rolling on the road plate 7 and placed on the front and rear rests 8, and further on the rests 8 in the lateral direction. It is moved to a predetermined position while pulling. The front and rear rests 8 are connected by a connecting rod 9.

[0003]

The conventional utility pole carrier 1 has the following problems. 1, since the utility pole 3 is raised or lowered while rolling along the side surface of the vehicle 2, there is a danger that the utility pole 3 will drop during the work, and there is a problem in safety. 2. Since the utility pole 3 rolls, the surface is scratched. 3. Since the power pole 3 has different thicknesses at the base and the tip, the moving distance for one rotation is different, and it is difficult to move the power pole 3 in parallel. Since the ropes 4 and 4 are sandwiched between the utility pole 3 and the vehicle 2, the ropes 4 and 5 are easily damaged. 5, Because the pole 3 is heavier at the base than at the tip,
The rear rope 5 bears most of the weight of the utility pole 3. 6. It is difficult to make the front and rear positions of the loaded utility pole 3 uniform. Since the electric pole 3 moves on the upper surface portion while the utility pole 7 is being pulled, the strength of the rest 7 must be increased to withstand this stress. 8. Since the front and rear rests 8 are connected by the connecting rod 9, the luggage cannot be placed on the central portion of the luggage carrier.

[0004] The present invention has been made in view of the above circumstances, and its object is to provide high safety, easy operation,
An object of the present invention is to provide a utility pole carrier that does not have a risk of damaging the utility pole.

[0005]

According to the present invention, there is provided a vehicle having a crane device for lifting a utility pole at a central portion thereof, and a crane device provided at a front end and a rear end portion of the vehicle on both sides of the crane device. The front and rear mounting tables, and the left and right receiving stands on which the front and rear ends of the utility poles mounted on the front and rear mounting tables are lifted to the left side of the crane device and the right side of the crane device. The right and left receptacles on which the tip and the base of the utility pole are placed, and a lifting part for raising and lowering the utility pole placed on these left and right receptacles are provided so as to be movable along the front and rear mounting tables. And the front and rear transfer devices are provided, and when the arm of the crane device is in a horizontal state, the front and rear transfer devices are simultaneously driven to raise the electric pole mounted on the left or right receiving seat by the lifting unit. the clay was moved above the crane device and Characterized in place of transferring the seat opposite to the device.

[0006]

According to the present invention, the loading tables are provided at the front and rear ends of the loading platform on both sides of the crane device. These front and rear mounting tables are provided with a left receiving seat located on the left side of the crane device, and a right receiving seat located on the right side of the crane device. If, for example, a power pole is lifted by a crane device on the ground on the left side located between the telephone pole storage area on the ground and the crane device, and the power pole is lowered in accordance with the position on the left base, the power pole is moved from the telephone pole storage area. It is placed directly on the left seat. When the electric pole is mounted on the opposite side of the crane device, that is, on the right side, the electric pole once mounted on the left side is moved. That is, the arm of the crane device is adjusted to a horizontal state. The elevators of the front and rear transfer devices are operated in conjunction with each other to raise the electric pole mounted on the left receiving seat to a position higher than the crane device, and move above the crane device to form a pair with the crane device.
To the opposite side, that is, to the right seat. Therefore,
When the lifting unit is lowered, the utility pole is placed on the right receiving seat.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. First, in FIG. 1 and FIG.
Is provided with a carrier 13 behind the driver's seat 12 and the driver's seat 1
A crane device 21 is attached to the rear of the vehicle 2 and to the front of the carrier 13. The crane device 21 includes the arm 2
The lower end of 2 is rotatably supported by the frame 23, and the arm 22 moves up and down by the operation of the cylinder 24.
Further, when the control device 25 is operated, the arm 22 rotates, the length of the arm 22 expands and contracts, and the rope 26 is freely pulled out from the tip of the arm 22.

The loading table 31 on the front side is provided in a rectangular frame shape at the front end of the loading bed 13, and the crane device 2 is provided at the upper end.
A plurality of, for example, two arc-shaped receiving seats 32 are attached to the left and right sides of each of them. The tip of a utility pole 33 is placed on the receiving seat 32. Further, a guide rail 34 is connected to the lower end of the mounting table 31 in the lateral direction, and both sides of the intermediate part are connected by a fall prevention frame 35.

The transfer device 41 on the front side is mounted on the mounting table 31 on the front side.
It is provided along. This will be described below.
The base column 42 has a rectangular cylindrical shape, and a lift cylinder 43 as a vertically moving part is vertically mounted inside the base column 42, and a receiving seat 44 for mounting the utility pole 33 is mounted on the upper part of the lift cylinder 43. . The stroke of the lift cylinder 43 corresponds to the electric pole 33 of the lifted crane device 21.
Need only be above the horizontally controlled arm 22. A guide rail 34 is provided at the lower end of the base column 42.
A carrier 45 composed of four ball bearings rolling on the upper side is mounted.

A sheave 46 is rotatably attached to each end of the guide rail 34, and a rope 47 is hung around them. Both ends of the rope 47 are wound by winding drums 49 and 50 rotated by an electric winch 48, respectively.
Is joined to. Then, the base column 42 is connected to the rope 47. These winding drums 49, 5
In the case of 0, when one winding drum winds the rope 47, the rope 47 is rewound from the other winding drum, and the rope 47 is always kept in a tensioned state. Note that a slide hook 51 is attached to the base column 42 and engages with the fall prevention frame 35 to prevent the transfer device 41 from tilting.

The mounting table 61 on the rear side is provided in a rectangular frame shape at the rear end of the loading table 13. This mounting table 61 is used for the telephone pole 3
3 is different from that of the mounting table 31 in that the height is lower and the receiving seat 62 has an arc shape with a larger radius than the receiving seat 32. Is the same as that of the mounting table 31.

The rear transfer device 71 is connected to the rear mounting table 61.
Along its front side. This transfer device 71
Is different from the transfer device 41 in that a receiving seat (not shown) on the upper part of the lift cylinder 43 is formed in an arc shape having a larger radius than the receiving seat 44, but the rest of the configuration is Same as 31.

The structure for moving the base column 42 is not limited to the structure in which the electric winch 48 is operated to wind the rope 47 around the winding drums 49 and 50. For example, the screw shaft is driven by a motor. May be rotated, and a nut screwed to the screw shaft may be coupled to the base column 42.

Next, the operation of the above configuration will be described.
For convenience of explanation, reference numerals 32a and 62a are used for receiving seats located between the utility pole storage 72 and the crane device 21. The receiving seats 32b and 62b are provided on the opposite side of the utility pole storage 72 with respect to the crane device 21. 62b. A, First,
When the utility pole 33 is placed on the receiving seats 32a and 62a. In FIG. 3, the vehicle 11 is arranged beside the telephone pole storage area 72 on the ground. The telephone pole 33 is subjected to slinging 73. Crane device 21
By operating the arm 22 and the rope 26, the tip of the rope 26 is connected to the slinging 73 via a hook (not shown). Therefore, the utility pole 33 is lifted by the crane device 21, and the positions of the distal end and the base end of the utility pole 33 are received by the seat 32.
If the electric pole 33 is gradually lowered in accordance with the positions of the electric poles 33a and 62a, the electric pole 33 is
62a.

B, When the utility pole 33 is placed on the receiving seats 32b and 62b, the utility pole 33 once placed on the receiving seats 32a and 62a is moved. That is, as shown in FIGS. 3 and 4, the arm 22 of the crane device 21 is adjusted to a horizontal state. By operating the lift cylinders 43 of the front and rear transfer devices 41 and 71 in conjunction with each other, the utility pole 33 is held in the receiving seat 44. Then, it is raised in the direction of arrow A to a position higher than the arm 22. Next, the electric winch 48 is operated to move the transfer devices 41 and 71 in the direction of arrow B over the arm 22 to a predetermined position. Then, when the lift cylinder 43 is gradually lowered, the utility pole 33 is mounted on the receiving seats 32b, 62b of the mounting tables 31, 61.

The telephone poles 33 may be placed on the receiving seats 32a and 62a which have been emptied by being transferred to the receiving seats 32b and 62b by the procedure described in the section A.

According to the above embodiment, the following effects can be obtained. 1. Since the electric pole 33 can be lifted by the crane device 21 and placed directly on the receiving seats 32a and 62a, the vehicle 2
The safety can be remarkably improved as compared with the related art in which the utility pole 3 is raised or lowered while rolling along the side surface of the electric pole 3. 2. Since the utility pole 33 is not rolled, the surface of the utility pole 33 is not damaged. 3. The receiving pole 32 from the receiving pole 32a, 62a of the telephone pole 33
b and 62b can be carried out when the arm 22 that slings 73 on the utility pole 33 is horizontal.
3 can be carried out continuously, and the working efficiency is significantly improved. 4. The front and rear positions of the loaded utility pole 33 are uniformly aligned. 5, since the electric pole 33 does not move on the upper surface of the mounting tables 31, 61, the structure can be simplified, and the luggage can be loaded on the central portion of the loading platform 13.

[0018]

According to the present invention, there is provided a vehicle equipped with a crane device for lifting a utility pole at a central portion, and front and rear mountings provided on both sides of the crane device at front and rear ends of a carrier of the vehicle. A mounting table, a left and a right seat of the crane device mounted on the front and rear mounting tables, on which the distal end and the base end of the electric pole suspended on the left side of the crane device are mounted. The right and left receiving seats on which the base and the base end are mounted, and the front and rear provided so as to be movable along the front and rear mounting tables, having an elevating part for lifting and lowering the electric poles mounted on these left and right receiving seats A transfer device, wherein when the arm of the crane device is in a horizontal state, the front and rear transfer devices are simultaneously driven to raise the electric pole placed on the left or right receiving seat by the elevating unit, and the crane device is moved up and down. the Kure move the upper
Transferring to the opposite side of the receiving device , the safety is high, the loading work is easy, the working time can be significantly reduced, and there is no danger of damaging the utility pole. It has the effect that it has.

[Brief description of the drawings]

FIG. 1 is a perspective view of the present invention.

FIG. 2 is a rear view of the mounting table.

FIG. 3 is a rear view of the mounting table showing a progress of the loading operation.

FIG. 4 is a rear view of the mounting table showing different progress of the loading operation.

FIG. 5 is a perspective view of a conventional transport vehicle.

[Explanation of symbols]

 REFERENCE SIGNS LIST 11 vehicle 13 bed 21 crane device 31 mounting table 32 receiving stand 33 utility pole 41 transfer device 43 lift cylinder (elevating unit) 61 mounting table 62 receiving seat 71 transfer device

Claims (1)

(57) [Claims] 1. A vehicle equipped with a crane device for lifting a utility pole at a central portion, and front and rear mounting tables provided at front and rear ends of the vehicle at positions on both sides of the crane device. A left-side receiving seat on which the front end and the base end of the utility pole suspended on the left side of the crane device are provided on the front and rear mounting tables, and the front end and the base end of the utility pole suspended on the right side of the crane device. The right and left receiving seats on which the parts are mounted, and a front and rear transfer device that has a lifting unit that lifts and lowers the electric poles mounted on these left and right receiving seats and is provided so as to be movable along the front and rear mounting tables. When the arm of the crane device is in a horizontal state, the front and rear transfer devices are simultaneously driven to move the electric pole mounted on the left or right receiving seat by the elevating unit and move above the crane device. opposite to the crane apparatus to Telephone pole truck, characterized in that it transferred to the only seat.