JP2010163763A - Demolition working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a demolition working machine capable of singly and easily performing the demolition work for a wide range of structures from a lefty structure to an underground structure. <P>SOLUTION: This demolition working machine 10 includes: a machine body 1; a lower boom 2 which is attached to the machine body 1 in a manner movable upward and downward; an expandable/contractible upper boom 3 which is attached to a leading end of the lower boom 2 in a manner movable upward and downward; an arm 4 which is attached to a leading end of the upper boom 3 in a manner movable upward and downward; and an attachment 5 for demolition, which is attached to a leading end of the arm 4. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a demolition work machine, and more particularly to a demolition work machine that can easily perform a demolition work from a high building made of steel reinforced concrete, reinforced concrete, or the like to an underground structure.

  As a working machine for dismantling a structure such as a building made of steel reinforced concrete, reinforced concrete, or the like, there is a telescopic boom type dismantling machine having a well-known long arm (see, for example, Patent Document 1).

  This demolition machine has a telescopic boom attached to the fuselage, a telescopic arm attached to the telescopic boom, and a crusher that is a demolition attachment attached to the telescopic arm. By operation, the crusher can be positioned in a wide range of high places and dismantled.

JP 2007-270565 A (FIGS. 1 and 2)

  However, the dismantling machine of the form as described above has the following problems.

  That is, the telescopic boom attached to the airframe so as to be able to move up and down is formed relatively long due to the telescopic structure. Therefore, although it can be dismantled in a wide working machine range for structures at high places, the telescopic boom is extended downward from the fuselage for underground structures, so It is difficult to dismantle with the crusher positioned below.

  The present invention has been made in view of the above facts, and its technical problem is to provide a demolition work machine that can easily perform a wide range of dismantling work from a high-level structure to an underground structure. Is to provide.

  According to the present invention, as a dismantling work machine that solves the above technical problems, a machine body that can be moved and swiveled, a lower boom that is attached to the machine body so as to be able to be lifted and lowered, and a tip that is capable of being raised and lowered are attached to the tip of the lower boom. There is provided a demolition work machine comprising: an upper boom that can be expanded and contracted; an arm that is attached to the tip of the upper boom so as to be movable up and down; and a disassembly attachment that is attached to the tip of the arm. .

  Preferably, the distance between the center of the lower boom that is attached to the aircraft body and the center of the upper boom that is attached to the upper boom is greater than the minimum contraction distance between the center of the upper boom that is attached to the lower boom and the center of the elevator that is attached to the arm. Is also formed small.

  A dismantling work machine configured in accordance with the present invention includes a lower boom that is attached to the airframe body so as to be able to be lifted and lowered, an upper boom that is attached to the tip of the lower boom so as to be able to be lifted and retracted, and can be lifted and lowered to the tip of the upper boom. It has an arm attached to it.

  Therefore, as will be described in detail later, a single unit can easily dismantle a wide range of structures, from high-level structures to underground structures, by the combined operation of the lower boom attached to the aircraft body and the upper boom that can extend and retract. Can be done.

FIG. 3 is a side view showing the configuration of a demolition work machine configured in accordance with the present invention, showing the dismantling work posture of a structure at a high place. The figure which showed the demolition work machine shown in FIG. 1 by the demolition work posture of the underground structure.

  Hereinafter, the dismantling machine configured according to the present invention will be described in more detail with reference to the accompanying drawings illustrating a preferred embodiment.

  A description will be given with reference to FIG. A dismantling work machine generally indicated by numeral 10 is a main body 1 capable of traveling and turning, a lower boom 2 attached to the main body 1 so as to be able to be lifted and lowered, and an expansion and contraction attached to the tip of the lower boom 2 so as to be able to be raised and lowered. A movable upper boom 3, an arm 4 attached to the tip of the upper boom 3 so as to move up and down, and a crusher 5 that is a disassembly attachment attached to the tip of the arm 4 are provided.

  The machine body 1 includes a lower traveling body 1a and an upper revolving body 1b that is mounted on the lower traveling body 1a so as to be capable of swiveling around a vertical axis X. The upper revolving body 1b includes the lower boom 2 described above. While being attached, a cab 1c is provided.

  A lower boom elevating cylinder 2a is attached between the lower boom 2 and the upper swing body 1b, and the distance between the elevating / lowering center Z1 attached to the body body 1 of the lower boom 2 and the elevating / lowering center Z2 to which the upper boom 3 is attached will be described later. It is defined in L1 in relation to the size of the upper boom 3.

  The upper boom 3 includes a cylindrical fixed boom 3a having one end attached to the lower boom 2 and the other end opened, and a sliding boom 3b slidably inserted into the cylinder of the fixed boom 3a from the open end side, An upper boom telescopic cylinder 3c is attached between the sliding boom 3b and the fixed boom 3a, and an upper boom lifting cylinder 3d is attached between the fixed boom 3a and the lower boom 2.

  The distance between the elevation center Z2 where the fixed boom 3a is attached to the lower boom 2 and the elevation center Z3 where the arm 4 is attached to the sliding boom 3b of the upper boom 3 is defined as L3 in the most contracted state and L3 in the most extended state. The distance L1 of the lower boom 2 is defined to be smaller than the most contracted distance L2 of the upper boom 3.

  An arm raising / lowering cylinder 4 a is attached between the arm 4 and the sliding boom 3 b of the upper boom 3.

  The crusher 5 is a well-known one, and includes a pair of claw members 5a and 5a and a pair of cylinders 5b and 5b that open and close each of the claw members 5a and 5a. It is mounted movably.

  With reference to FIG. 2 with FIG. 1, the effect of the demolition work machine 10 as mentioned above is demonstrated.

  As shown in FIG. 1, when dismantling the ground structure 6, the lower boom raising cylinder 2 a is extended to raise the lower boom 2 (in the direction indicated by the arrow U), and the upper boom 3 is expanded and contracted according to the working height (arrow E). Or, in the R direction), the arm 4 is lifted and the crusher 5 is moved to the crushing place to perform the dismantling work.

  As shown in FIG. 2, when dismantling the underground structure 8, the lower boom 2 is tilted forward (in the direction indicated by the arrow L), the upper boom 3 is directed downward, and the upper boom 3 is expanded or contracted according to the working depth ( (In the direction of arrow E or R), the arm 4 is lifted, the crusher 5 is moved to the crushing location, and the dismantling work is performed.

  Therefore, the dismantling work machine 10 includes a lower boom 2 attached to the machine body 1 so as to be able to be lifted and lowered, an upper boom 3 attached to the tip of the lower boom 2 so as to be able to be lifted and lowered and capable of extending and contracting, and a tip of the upper boom 3. Since the arm 4 is mounted so as to be able to move up and down, a wide range of dismantling work can be performed from a high-level structure 6 to an underground structure 8 by a combined operation of the lower boom 2 and the extendable upper boom 3. This can be done easily with one dismantling machine.

  Further, the distance L1 between the lifting / lowering center Z1 attached to the body body 1 of the lower boom 2 and the lifting / lowering center Z2 to which the upper boom 3 is attached is set so that the raising center Z2 of the upper boom 3 attached to the lower boom 2 and the arm 4 are attached. Since it is defined to be smaller than the minimum contraction distance L2 from the center of elevation Z3, the relatively short lower boom 2 can be moved forward or backward to break up the structure 6 from the high place to the structure 8 at the basement. The machine 5 can be easily positioned and work can be easily performed.

1: Airframe body 2: Lower boom 3: Upper boom 4: Arm 5: Crusher (disassembly attachment)
10: Demolition work machines L1, L2, L3: Center of vertical movement

Claims (2)

A body body capable of traveling and turning; and
A lower boom attached to the main body so as to be able to move up and down;
An upper boom that is telescopically attached to the tip of the lower boom;
An arm attached to the tip of the upper boom so as to be able to move up and down;
A disassembly attachment attached to the tip of the arm;
A dismantling machine characterized by comprising: The distance between the lower center of the lower boom that is attached to the fuselage body and the upper center of the upper boom that is attached to the upper boom is
The upper boom is formed to be smaller than the shortest distance between the center of the elevation to be attached to the lower boom and the center of the elevation to which the arm is attached.
The demolition work machine according to claim 1, wherein:

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