JPH0535969U - Telescopic boom dismantling work vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] Easily lift the disassembly attachment according to the height of the disassembly part of the object to be disassembled without assembling and disassembling the boom. [Structure] A telescopic boom 3 is supported by a swivel frame 2 on a traveling carriage 1 so that the telescopic boom 3 can be raised and lowered, and a flexible work arm 5 having a disassembly attachment 6 attached to the tip of the telescopic boom 3 is provided. The disassembly attachment 6 can be moved to the disassembly site of the object to be disassembled by attaching and retracting the telescopic boom 3.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a dismantling work vehicle, and more particularly to a telescopic boom dismantling work vehicle capable of effectively dismantling a building having 10 to 12 stories.

[0002]

[Prior Art]

 In recent years, in urban areas, buildings subject to a height limit of 31 m under the conventional Building Standards Law, that is, buildings with a height of 10 to 12 floors are being demolished. In order to dismantle such a building, it is necessary to raise a dismantling attachment called nibler, which crushes the crushed object by crushing the crushing parts that open and close, up to a height of about 30 m above the ground. The building is dismantled by connecting the required number of intermediate booms carried separately from the dismantling work vehicle body by a trailer, etc. at the site, and by attaching dismantling attachments on them.

An outline of the structure of such a dismantling work vehicle will be described below. First, the main body of the dismantling work vehicle is, as shown in FIG. It has a chamber, is supported on the traveling carriage 1 so as to be rotatable about a vertical axis, and is composed of a swing frame 2, which has the same structure as the main body of a so-called known hydraulic excavator. A boom 3 having a configuration described later is supported by the swing frame 2, and the boom 3 is undulated by expanding and contracting a rod of a boom cylinder 3a pivotally attached to the swing frame 2.

In this boom 3, two intermediate booms 3c, 3c are connected to the upper end of a basic boom 3b which can be raised and lowered, and a tip boom 4 is connected to the upper end of the upper intermediate boom 3c. A flexible working arm 5 having a disassembling attachment 6 at the tip is attached to the upper part of 4.

[0005]

[Problems to be Solved by the Invention] As described above, a required number of intermediate booms carried by separate transportation by a trailer, etc. are connected on site and mounted on the main body of a hydraulic excavator that is a base machine. Since disassembling attachments are required for the assembly work, it not only takes a long time to prepare before dismantling work, but also the basic boom, intermediate boom, and tip boom must be disassembled and transported when moving to the site. However, there is a problem to be solved, which is economically disadvantageous because

[0006] In many cases, the redevelopment in urban areas has a small area, and if there is no vacant land at the work site, there is no choice but to obtain permission to restrict public roads for assembly. It is also an obstacle to road traffic. Therefore, an object of the present invention is to provide a telescopic boom dismantling work vehicle that does not require assembly work.

[0007]

[Means for Solving the Problems]

 It should be noted that the present invention can be carried by a trailer together with the main body without disassembling and assembling, if the dismantling attachment is attached to the telescopic boom and the telescopic boom is reduced while the dismantling attachment is attached. It was done.

Therefore, the feature of the telescopic boom dismantling work vehicle according to the present invention is that the traveling carriage, the swing frame provided on the traveling carriage so as to be rotatable around the vertical axis, and the swing frame. The telescopic type telescopic boom is provided so that it can be undulated, and a bendable work arm is provided at the tip of the telescopic boom and has a disassembly attachment attached to the tip.

[0009]

[Action]

 According to the telescopic boom dismantling work vehicle according to the present invention, a traveling carriage, a swing frame provided on the traveling carriage so as to be rotatable about a vertical axis, and a telescope type swingably provided on the swing frame. It has a telescopic boom and a flexible working arm that is provided at the tip of the telescopic boom and has a disassembly attachment attached to the tip. The dismantling work vehicle can be transported by a trailer, and the telescopic attachment can be easily extended to the required height by extending the telescopic boom on site.

[0010]

【Example】

 Hereinafter, an embodiment of a telescopic boom dismantling work vehicle (hereinafter referred to as a dismantling work vehicle) of the present invention will be described with reference to FIG. 1 which is a side view showing a working state and FIG. 2 which is an explanatory view of a transportation posture. The same parts and those having the same function as those of the related art will be described with the same reference numerals. Reference numeral 1 shown in the figure is a crawler type traveling trolley, and on the traveling trolley 1, a revolving frame 2 having a driver's cab 2a in an upper portion is supported so as to be rotatable around a vertical axis, which is a known hydraulic type. It has the same structure as the main body of the shovel.

A three-step telescopic boom 3 that is hoisted by a hoisting cylinder 3 a is provided near the driver's cab 2 a of the revolving frame 2, and a tip boom 4 is attached to the tip of the telescopic boom 3. Has been. The telescopic boom 3 has the same structure as the telescopic boom of a hydraulic crane, and telescopically expands and contracts by expanding and contracting a rod of an internally installed hydraulic cylinder (not shown).

Further, a working arm 5 having a configuration described later is attached to the tip of the tip boom 4. The working arm 5 is composed of a lower arm 5a and an upper arm 5b which is swung around its horizontal axis at its tip, and is swung around its horizontal axis by an attachment operating cylinder 6a at its tip. The disassembly attachment 6 is attached. The work arm 5 is bent so that the lower cylinder 5c pivotally mounted between the tip boom 4 and the lower arm 5a and the upper cylinder 5d pivotally mounted between the lower arm 5a and the upper arm 5b. This is done by expanding and contracting the rod.

The usage of the dismantling work vehicle having the above structure will be described below. First, when disassembling an object to be disassembled, the rod of the hoisting cylinder 3a is extended to raise the telescopic boom 3 and the height of the disassembling site is increased. The telescopic boom 3 is extended in accordance with this, the work arm 5 is bent by the extension and contraction of the rods of the lower cylinder 5c and the upper cylinder 5d, and the dismantling attachment 6 is operated by the attachment operating cylinder 6a. When the attachment 6 is a nibler, the crushing section is opened and closed to crush and crush the disassembled part of the object to be disassembled for disassembly.

On the other hand, in the case of the site movement, as shown in FIG. 2, the telescopic boom 3 is contracted, the work arm 5 is folded, and the contracted telescopic boom 3 is contracted by contracting the rod of the hoisting cylinder 3a. As a result, the dismantling work vehicle can be placed in the transporting posture. Of course, when riding on the loading platform of a trailer (not shown) by self-propelled, the vehicle is run with the disassembling attachment 6 at the tip of the folded working arm 5 grounded, and the rod of the hoisting cylinder 3a is placed at a predetermined position. Should be reduced.

Since the predetermined disassembling work can be performed only by extending and retracting the telescopic boom 3 as described above, the usability is better than that of the conventional dismantling work vehicle in which the intermediate boom is connected as needed. In addition to greatly improving the dismantling work efficiency, there is also no boom disassembly and assembly work, which eliminates traffic obstacles. Further, since it can be carried by one trailer together with the dismantling work vehicle main body, it is advantageous in terms of transportation cost as compared with the conventional one.

[0016]

[Effect of the device]

 As described in detail above, according to the dismantling work vehicle of the present invention, the dismantling work vehicle can be carried by the trailer by reducing the telescopic boom, and the dismantling work vehicle can be easily dismantled by extending the telescopic boom on site. Since the attachment for the vehicle can be set to the required height, it is easier to use than the conventional dismantling work vehicle that connects the intermediate boom as needed, and in addition to greatly improving the dismantling work efficiency, Since there is no disassembling and assembling work for the boom, traffic obstacles are eliminated, which has a great effect on improving dismantling work efficiency and reducing dismantling work costs.

[Brief description of drawings]

FIG. 1 is a side view showing a working state of a dismantling work vehicle according to an embodiment of the present invention.

FIG. 2 is a transportation posture explanatory diagram of a dismantling work vehicle according to an embodiment of the present invention.

FIG. 3 is a side view of a dismantling work vehicle according to a conventional example.

[Explanation of symbols]

 1 ... Traveling vehicle 2 ... Revolving frame 2a ... Driver's cab 3 ... Telescopic boom 4 ... Tip boom 5 ... Work arm 5a ... Lower arm 5b ... Upper arm 5c ... Lower cylinder 5d ... Upper cylinder 6 ... Dismantling attachment 6a ... Attachment operation Cylinder

Claims (1)

[Scope of utility model registration request] 1. A traveling carriage, a swivel frame provided on the traveling carriage so as to be rotatable about a vertical axis, a telescopic telescopic boom provided on the swivel frame so as to be up and down, and a telescopic boom of the telescopic boom. A telescopic boom dismantling work vehicle, characterized in that it comprises a flexible working arm provided at a distal end portion, and a dismantling attachment is attached to the distal end thereof.