JP2022076987A - Pole installation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pole installation device that enables a pole to be moved easily and vertically.

SOLUTION: A pole installation device 1 includes: a self-traveling base machine 10; a leader 19 installed vertically at a position in front of the base machine 10; a rail 31 installed liftably on the leader along the leader 19; a guide clamp 32 fixed on the rail 31 for retaining and releasing a pole disposed along the rail 31; and a lifting clamp 33 provided liftably on the rail 31 for retaining and releasing the pole.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to a support column installation device.

A work vehicle is used for the work of installing a utility pole or the like, and the utility pole is gripped by a gripping device attached to the tip of the boom (see Patent Documents 1 and 2). In such a work vehicle, in order to move the support column vertically when installing the support column, the undulating operation and the expansion / contraction operation of the boom and the swinging operation of the gripping device are interlocked.

Jikkenhei 04-405856 Jikkenhei 04-045857 Gazette

However, in the above-mentioned work vehicle, it is necessary to interlock a plurality of different types of moving operations, and it is not easy to move the columns vertically.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a support column installation device capable of easily moving a support column vertically.

The present invention includes a self-propelled base machine, a reader vertically erected at a position in front of the base machine, rails provided on the leader so as to be able to move up and down along the leader, and the above. It is provided with a guide clamp fixed to a rail and holding and releasing a support column arranged along the rail, and an elevating clamp provided on the rail so as to be able to move up and down and hold and release the support column. It is an attachment device for installing columns, which is characterized by this.

According to the support support device of the present invention, the rail provided on the leader so as to be able to move up and down and the support column fixed to the rail and arranged along the rail are held so as to be along the vertically erected leader. Since it is equipped with a guide clamp that can be lifted and released, and a lift clamp that is provided on the rail so that it can be lifted and lowered and that holds and releases the support column that the guide clamp holds and releases, multiple movement operations of different types can be linked. The columns can be easily moved vertically only by raising and lowering the rails and lifting clamps without causing them to move.

According to the above-mentioned support column installation device of the present invention, the support column can be easily moved vertically.

It is a side view of the support column installation device which concerns on embodiment of this invention. It is a side view of the support column installation device and the like shown in FIG. 1, (A) shows a state before installing a support column, (B) shows a state after installing a support column, and (C) shows a state after installation. Shows the pillars of.

Hereinafter, the support column installation device 1 according to the embodiment of the present invention will be described in detail with reference to the drawings. In the drawings, arrow F1 indicates forward, arrow B1 indicates backward, arrow U1 indicates upward, and arrow D1 indicates downward. In the following description, the front-rear direction means the front-back direction of the support column installation device 1.

First, the configuration of the support column installation device 1 will be described with reference to FIG. FIG. 1 is a side view of the support column installation device 1.

The support column installation device 1 shown in FIG. 1 is a construction machine for installing a support column PO (see FIG. 2). As the pole PO (see FIG. 2) installed by the pole installation device 1, any pole such as a utility pole for extending an electric wire or a communication line, a pole for supporting an object such as a signboard or a traffic signal, and the like are assumed.

Specifically, the support column installation device 1 includes a self-propelled base machine 10, a front unit 11 attached to the base machine 10, and the like.

The base machine 10 includes a base body 12, left and right caterpillars 13, left and right outriggers 14, and the like. The base body 12 rotates with respect to the left and right caterpillars 13 to rotate the front unit 11 attached to the base machine 10. The base body 12 is configured to be able to advance and retreat back and forth, and by advancing and retreating back and forth, the front unit 11 attached to the base machine 10 is advanced and retracted.

The front unit 11 is attached to a front position on the base machine 10 by means of a bracket 15, a back stay 16, a rail 17, and a hydraulic cylinder 18 so as to be undulating and elevating.

The bracket 15 is provided at a front position on the base machine 10 and rotatably supports the lower end of the rail 17.

The back stay 16 is composed of a hydraulic cylinder and can be expanded and contracted by hydraulic pressure. The base end of the backstay 16 is rotatably supported in a position rearward of the bracket 15 in the front position of the base machine 10. The tip of the backstay 16 rotatably supports a position above the lower end of the rail 17.

The rail 17 is erected vertically in an undulating position in the front position of the base machine 10. The lower end of the rear surface of the rail 17 is rotatably supported by the bracket 15, and the portion above the lower end of the rear surface is rotatably supported by the back stay 16. Further, a front unit 11 is provided on the front surface of the rail 17 so as to be able to move up and down. Further, the rail 17 accommodates a hydraulic cylinder 18 that raises and lowers the front unit 11.

The hydraulic cylinder 18 is housed in the rail 17. The tip of the hydraulic cylinder 18 protrudes from the upper end of the rail 17 and is connected to the rear surface of the reader 19 constituting the front unit 11. Such a hydraulic cylinder 18 expands and contracts to raise and lower the front unit 11.

The front unit 11 includes a leader 19, a lifting mechanism 25, a rail 31, a guide clamp 32, an elevating clamp 33, and the like. In addition, in order to simplify the explanation, the front unit 11 will be described below on the premise that the front unit 11 is in an upright posture.

The reader 19 is made of square lumber and is vertically erected at a position in front of the base machine 10. The leader 19 is provided on the rail 17 so as to be able to move up and down at a position in front of the rail 17.

At the upper position of the reader 19, a lifting mechanism 25 used for lifting a support column PO (see FIG. 2) or the like is provided. On the front surface of the reader 19, a rail 31 to which a guide clamp 32 is fixed and an elevating clamp 33 is provided so as to be elevated is provided so as to be elevated.

The lifting mechanism 25 is provided at an upper position on the reader 19. This lifting mechanism 25 is used when lifting a support column PO (see FIG. 2) or the like. Specifically, the lifting mechanism 25 includes a winch 26, a wire 27, a pulley 28, a hook 29, and the like.

The winch 26 is provided on the rear surface of the reader 19. The winch 26 winds up and unwinds the wire 27 to raise and lower the hook 29 attached to the tip of the wire 27.

The wire 27 extends from the winch 26 along the leader 19 toward the upper pulley 28, and at the same time, is folded back by the pulley 28 and extends downward. The wire 27 is wound up and unwound by the winch 26 to raise and lower the hook 29 provided at the tip of the wire 27.

The pulley 28 is provided at a position above the leader 19. The pulley 28 hooks a wire 27 extending from the winch 26 along the leader 19, and causes the wire 27 to be folded downward.

The hook 29 is attached to the tip of the wire 27. The hook 29 is suspended from the wire 27, and is raised and lowered by winding and feeding the wire 27.

The rail 31 is provided on the leader 19 so as to be able to move up and down along the leader 19. The rail 31 moves up and down with the operation of the raising and lowering mechanism (not shown) provided on the reader 19. At the upper end of the front surface of the rail 31, a guide clamp 32 that holds and releases the support column PO (see FIG. 2) and guides the raising and lowering of the support column PO (see FIG. 2) that has released the holding is fixed. At a position below the guide clamp 32 on the front surface of the rail 31, an elevating clamp 33 for holding and releasing the support column PO (see FIG. 2) is provided so as to be able to elevate.

The guide clamp 32 is fixed at the position of the front upper end of the rail 31. The guide clamp 32 is held and released by sandwiching the support column PO (see FIG. 2) arranged in front of the rail 31 along the rail 31 from the left and right, and the support column PO (see FIG. 2) is released from the holding. 2) Guide the ascent and descent.

The elevating clamp 33 is provided on the rail 31 so as to be able to elevate at a position in front of the rail 31 and below the guide clamp 32. The elevating clamp 33 moves up and down with the operation of the elevating mechanism (not shown) provided on the rail 31. Further, the elevating clamp 33 holds and releases the support column PO (see FIG. 2) by sandwiching it from the left and right, and the elevating clamp 33 itself raises and lowers the held support column PO (see FIG. 2). ..

Next, the operation of the support column installation device 1 will be described with reference to FIGS. 1 and 2. FIG. 2 is a side view of the support column installation device 1 and the like shown in FIG. FIG. 2A shows a state before installing the support column PO. FIG. 2B shows a state after the support column PO is installed. FIG. 2C shows the support column PO after installation. In FIG. 2, the drawings are simplified by omitting the description of the base machine 10 and the like.

First, the support column PO for installation is lifted by the lifting mechanism 25. After that, the support column PO lifted by the lifting mechanism 25 is held by the guide clamp 32 and the lifting clamp 33. After that, the support column PO is positioned above the columnar hole provided by excavating separately (see FIG. 1 → FIG. 2 (A)).

After that, the guide clamp 32 and the elevating clamp 33 are operated to arrange the support column PO in the columnar hole (see FIG. 2A → FIG. 2B).

By the above operation of the support column installation device 1, the support column PO is installed (see FIG. 2B → FIG. 2C).

As described above, according to the support column installation device 1, the rail 31 provided on the leader 19 so as to be able to move up and down along the leader 19 which is vertically erected, and the rail 31 are fixed to the rail 31 so as to follow the rail 31. A guide clamp 32 for holding and releasing the support column PO arranged in the above, and an elevating clamp 33 provided on the rail 31 so as to be able to move up and down and holding and releasing the support column PO held and released by the guide clamp 32. Therefore, the support column PO can be easily moved vertically only by the elevating operation of the rail 31 and the elevating clamp 33 without interlocking a plurality of moving operations of different types.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit and technical idea. That is, the position, size, length, quantity, shape, material, etc. of each configuration can be appropriately changed.

Alternatively, in the above embodiment, the case where the rail 31, the guide clamp 32, and the elevating clamp 33 are provided at positions in front of the reader 19 has been described as an example, but the present invention is not limited thereto. For example, the rail 31, the guide clamp 32, and the elevating clamp 33 may be provided at a position on the side of the reader 19.

1 Strut installation device 10 Base machine 11 Front unit 12 Base body 13 Caterpillar 14 Outrigger 15 Bracket 16 Backstay 17 Rail 18 Hydraulic cylinder 19 Leader 25 Lifting mechanism 26 winch 27 Wire 28 Pulley 29 Hook 31 Rail 32 Guide clamp 33 Lifting clamp PO strut F1 front B1 rear U1 upper D1 lower

Claims (1)

A self-propelled base machine and
A reader that stands vertically in the front position of the base machine,
A rail provided on the leader so as to be able to move up and down along the leader,
A guide clamp that holds and releases the stanchions that are fixed to the rail and placed along the rail.
A support column installation device provided on the rail so as to be able to move up and down, and comprising an elevating clamp for holding and releasing the support column.

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