JP3866066B2 - Demolition work machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a demolition work machine that is suitable for scrap scrapping of automobiles and the like.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a dismantling machine described in Japanese Utility Model Publication No. 4-10117 is known as a working machine for dismantling automobile scraps.
[0003]
As shown in FIG. 5 (b) as a side view of FIG. 5 (a) and a plan view taken along the line AA of FIG. Is provided.
[0004]
The pressing device 52 includes a presser 53 formed of an H-shaped frame that undulates in the vertical direction, and a pair of clamps 54 provided at the tip of the presser 53.
[0005]
The presser 53 is raised and lowered by the expansion / contraction operation of the hydraulic cylinder 55, and the pair of fasteners 54 can perform a pinching operation by the expansion / contraction operation of the hydraulic cylinders 56, 56. In the figure, 57 is a work attachment, and 58 is a crushing tool provided at the tip of the work attachment.
[0006]
With such a configuration, it is possible not only to press the scrap S with the presser 53 but also to hold a part of the scrap S with the fastening tool 54. Thereby, fine dismantling work is possible by operating the crushing tool 58.
[0007]
Further, in the dismantling work machine described in Japanese Patent No. 3101717, as shown in FIG. 6, a support block 61 is provided at the front portion of the traveling frame 60, and the support block 61 is expanded and contracted by a pair of hydraulic cylinders 64 and 65. Ups and downs.
[0008]
A pair of arms 62 and 63 are connected to the support block 61, and the arms 62 and 63 can be opened and closed in the left-right direction by the expansion and contraction of the hydraulic cylinders 64 and 65.
[0009]
Reference numerals 66a and 66b denote clamping tools provided on the arms 62 and 63. For example, an engine removed from scrap can be clamped by the clamping tools 66a and 66b. Thereby, if the work tool 67 is operated in a state where the engine is sandwiched, fine disassembly work such as tearing off electrical components attached to the engine becomes possible.
[0010]
[Problems to be solved by the invention]
However, in the dismantling machine shown in FIG. 5, the pressing device 52 is simply configured, but the fixing action of the scrap S works only in the vertical direction and lacks the function of fixing by sandwiching from the left and right. For this reason, depending on the shape and arrangement of the scrap S, it may be impossible to fix or fine dismantling work may be difficult.
[0011]
On the other hand, the demolition work machine shown in FIG. 6 has a left-right direction fixing function, but has a structure in which the arms 62 and 63 are opened and closed to obtain a right-and-left holding function. In addition, there is a problem that the weight increases.
[0012]
The present invention has been made in consideration of the problems in the conventional demolition work machine as described above. The demolition work machine has a simple structure and is lightweight, and allows for fine demolition work by sandwiching scrap from the left and right. Is to provide.
[0013]
[Means for Solving the Problems]
The present invention comprises a crushing device provided on the upper swing structure, the demolition machine having a pressing device provided in the lower traveling body, the pressing device, extending in the longitudinal direction of the lower traveling body The presser arm includes a pair of presser arms and a presser cylinder that pivots the pair of presser arms vertically with respect to the lower traveling body, and is further disposed between the pair of presser arms. On the other hand, a swinging arm connected to be swingable in the left-right direction about the vertical axis, and the swinging arm is connected to the swinging arm so as to extend and contract to move the swinging arm between the pair of presser arms. A swing cylinder that swings in the left-right direction, and the tip of the swing arm moves toward the one presser arm, whereby the tip of the swing arm and the one presser arm During dismantling A clamping mechanism configured to equity, with connecting arm the pair of pressing in the left-right direction, and a beam member for supporting the substantially intermediate position in order to prevent the vertical deformation in the swing arm A dismantling machine characterized in that it is equipped .
[0014]
According to the present invention, moving the swing arm towards the one arm-side presser, dismantled object held between the leading end portion of one arm and the swing arm holding the arm holding the left and right The object to be dismantled can be held without opening and closing. Therefore, if the crushing device is brought close to the sandwiched object to be disassembled, for example, the engine removed from the automobile scrap can be further disassembled by tearing and removing the electrical components.
[0015]
Further, in the present invention, the swingable swing arm in the lateral direction around the top downward direction axis, for clamping mechanism is constituted by a swing cylinder that expansion and contraction are connected to the swing arm The clamping mechanism can be realized with a simple mechanism, and an agile clamping operation can be obtained.
[0016]
Furthermore, in the present invention , since the beam member for connecting the pair of presser arms in the left-right direction is provided and the substantially intermediate position of the swing arm is supported, the object to be dismantled is torn upward by the crushing device. In this case, deformation of the swing arm can be prevented. The beam member is preferably configured to be detachable from the pair of presser arms.
[0017]
In the present invention, a dismantling tool can be attached to a contact portion where the swing arm and one presser arm abut.
[0018]
In addition, the tool fixing portion formed in the contact portion is common to each tool so that the dismantling tool can be detached and replaced with another dismantling tool prepared in plural types according to the dismantling work. If it is set as an attachment structure, the tool for disassembly according to the content of the dismantling work can be selected, and it becomes possible to perform disassembly efficiently.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail based on the embodiments shown in the drawings.
[0020]
FIG. 1 shows the overall structure of a dismantling work machine according to the present invention, where (a) is a plan view and (b) is a side view thereof.
[0021]
In both figures, the dismantling work machine 1 has a lower traveling body 3 having a crawler 2 and an upper revolving body 4 that is pivotably mounted on the lower traveling body 3. The work attachment 5 as a crushing device is attached to.
[0022]
The work attachment 5 includes a boom 7 connected to the boom connecting portion 6 of the revolving frame, an arm 8 connected to the distal end portion of the boom 7, and a crusher 9 connected to the distal end portion of the arm 8. The boom 7 is raised and lowered by the expansion and contraction operation of the boom cylinder 10, the arm 8 is rotated in the front and rear direction by the expansion and contraction operation of the arm cylinder 11, and the crusher 9 is also rotated in the front and rear direction by the expansion and contraction operation of the crusher cylinder 12. It comes to move.
[0023]
The crusher 9 includes a frame 9a, a fixed blade 9b fixed to the frame 9a, and a movable blade 9d that swings around a rotation shaft 9c provided on the frame 9a, and is to be disassembled. You can grab and cut scraps of automobiles.
[0024]
In addition, a presser device 13 that swings in the vertical direction is provided at the rear portion of the lower traveling body 3.
[0025]
The presser device 13 includes a pair of arms 16 and 17 each having a bent portion 15 bent in a V shape so as not to come into contact with the counterweight 14 when raised. The hydraulic cylinder 18 swings in the vertical direction by the expansion and contraction operation.
[0026]
2 and 3 are a side view and a plan view showing the holding device 13 in an enlarged manner. In addition, FIG. 2 has shown BB arrow sectional drawing.
[0027]
In both figures, the base end portion of one arm 16 is connected to an arm mounting portion 3a provided at the rear portion of the lower traveling body 3 via a pin 19, and the base end portion of the other arm 17 is the same. Are connected to the arm attachment portion 3b via a pin 20.
[0028]
A substantially intermediate portion between the pair of arms 16 and 17 is connected by a beam member 21 having a U-shaped cross section arranged in the left-right direction, and the cylindrical member 22a also arranged in the left-right direction on the base end side. , 22b and a cylindrical mounting portion 23 having a U-shaped cross section interposed between the cylindrical members 22a and 22b.
[0029]
In addition, a pair of brackets 24 and 25 are provided in the center of the pair of arms 16 and 17 so as to straddle the beam member 21 and the cylindrical member 22a. The brackets 24 and 25 have a triangular shape, and a rod side bush 18a of the hydraulic cylinder 18 is connected to the top 24a via a pin 26. The bottom bush 18b of the hydraulic cylinder 18 is connected to a bracket 3c extending from the lower traveling body 3 via a connecting pin 3d.
[0030]
A V-shaped swing arm 27 is attached to the beam member 21 so as to be rotatable in the left-right direction. Specifically, the rotary shaft 28 passes through the bush 27 a provided at the base end portion of the swing arm 27 in the vertical direction, and the rotary shaft 28 is provided with rotary bearing portions 21 a and 21 b provided at the center of the beam member 21. Is supported by.
[0031]
A connecting portion 27b having a U-shaped cross section that opens obliquely rearward is provided on the outer edge portion of the swing arm 27 closer to the base end side, and the connecting portion 27b and a U-shape toward the front are provided. A swing cylinder 29 for swinging the swing arm 27 is installed on the opening of the cylinder mounting portion 23.
[0032]
The swing arm 27 and the swing cylinder 29 function as a clamping mechanism.
[0033]
A clamping tool 30 as a dismantling tool having a shape suitable for clamping scrap is detachably attached to the inner front end portion of the swing arm 27, and the arm 16 corresponding to the clamping tool 30 is also attached to the arm 16. A clamping tool 31 is detachably attached. Reference numeral 32 denotes a fixing bracket for fixing the clamping tool 31 at a position where the clamping tool 31 can be opposed to the clamping tool 30.
[0034]
The clamping surfaces of the clamping tools 30 and 31 are each hemispherically recessed to enhance the scrap clamping effect.
[0035]
Reference numeral 33 denotes a second beam member that connects the pair of arms 16 and 17 in the left-right direction, and is configured to sandwich a substantially middle portion of the swing arm 27 from both the upper and lower sides. The upper beam portion 33a disposed on the upper side of the swing arm 27 is formed in a box shape in section, and the lower beam portion 33b disposed on the lower side of the swing arm 27 is formed in a plate shape.
[0036]
As described above, the substantially intermediate position of the swing arm 27 is supported by the second beam member 33 in a state where the scrap is sandwiched between the clamping tools 30 and 31 and the scraper 9 holds the scrap. This is to prevent the swing arm 27 from being deformed even if a tearing operation is performed.
[0037]
In the figure, reference numeral 34 denotes a reinforcing plate, 35 denotes a projection for colliding and crushing scrap, and 36 denotes a claw portion for preventing slippage.
[0038]
Next, the operation of the presser device 13 having the above configuration will be described with reference to FIG.
[0039]
First, the hydraulic cylinder 18 is extended to hold automobile scrap with a pair of arms 16 and 17, and the crusher 9 is operated to disassemble the exterior. This work is the same as the conventional dismantling work.
[0040]
Next, with respect to, for example, an engine as a disassembly target separated from the automobile scrap, a disassembly operation of operating the swing arm 27 of the present embodiment to remove the electrical component will be described.
[0041]
The pair of arms 16 and 17 are lowered to the engine position, and pressure oil is supplied to the head side of the swing cylinder 29.
[0042]
When the rod is extended, the swing arm 27 is pushed through the connecting portion 27b, and rotates in the direction of arrow C about the rotation shaft 28.
[0043]
Thereby, the engine can be clamped by the clamping tools 30 and 31. The swing arm 27 can swing from an open position indicated by a solid line to a closed position indicated by a two-dot chain line, and can hold scraps of different sizes other than the engine.
[0044]
Of course, since the pair of arms 16 and 17 can be raised and lowered by expanding and contracting the hydraulic cylinder 18, the posture of the sandwiched scrap can be changed. That is, the posture of the engine can be changed so that the crusher 9 can be easily grasped.
[0045]
Next, when the crusher 9 is brought close to the engine and the electric component is grasped and torn by the fixed blade 9b and the movable blade 9d, the electric component can be removed from the engine.
[0046]
When the boom 7 is raised when the electrical component is removed, a force acts to bend the swing arm 27 upward, but the second beam member 33 supports the intermediate portion of the swing arm 27. The bending deformation of the swing arm 27 can be prevented.
[0047]
Further, FIG. 4 is a view in which cleavage tools 40 and 41 as other dismantling tools are attached in place of the clamping tools 30 and 31.
[0048]
According to this configuration, if the cleaving tools 40 and 41 are inserted into the recesses of the scrap in a closed state and the swing arm 27 to which the cleaving tool 40 is attached is rotated in the direction of arrow D, the scrap is cleaved and broken. You can also.
[0049]
The dismantling tool is not limited to the above-described sandwiching tool and cleavage tool, and any dismantling tool suitable for the content of the dismantling work can be used.
[0050]
Although the movable member and the driving means in the present invention are constituted by the swing arm and the swing cylinder in the above embodiment, the present invention is not limited to this, and the movable member can be brought into contact with or separated from one arm. If there is, for example, the movable member may be moved in the left-right direction in parallel with the arm. The driving means is not limited to a hydraulic cylinder, and a hydraulic motor or other driving device can be used.
[0051]
【The invention's effect】
Above it is evident from what has been described, according to the present invention of claim 1, by or spaced pressing the tip of the swing arm against one arm for holding, opening and closing the arm pressing on the left and right For example, the engine removed from the car scrap can be further dismantled by tearing and removing the electrical components, and the presser arm can be removed. Since it is not opened and closed, the structure of the clamping mechanism is simplified and the weight can be reduced.
[0052]
Moreover, due to constitute a clamping mechanism between the swing arm and the swing cylinder, it is possible to realize the clamping operation with a simple mechanism, it can be obtained agile clamping operation.
[0053]
Further , since the beam member for connecting the pair of presser arms in the left-right direction is provided to support a substantially intermediate position of the swing arm, when the object to be disassembled is torn upward by the crushing device, the swing arm Deformation can be prevented.
[0054]
According to the second aspect of the present invention, since the beam member is configured to be detachable from the pair of presser arms, the clamping range can be expanded by removing the beam member in the work of disassembling the lightweight object.
[0055]
According to the third aspect of the present invention, since the disassembling tool is attached to the abutting portion where the swing arm and one presser arm abut, the efficiency of the disassembling work can be improved.
[0056]
According to the fourth aspect of the present invention, the tool formed on the contact portion so that the dismantling tool can be detached and replaced with another dismantling tool prepared in plural types according to the dismantling work. Since the fixing portion has a common mounting structure for each tool, it is possible to select a dismantling tool according to the contents of the dismantling work, and it is possible to disassemble efficiently.
[Brief description of the drawings]
FIG. 1A is a plan view showing an overall configuration of a dismantling work machine according to the present invention, and FIG.
FIG. 2 is an enlarged side view of the presser device shown in FIG.
FIG. 3 is an enlarged plan view of the presser device.
FIG. 4 is a plan view of an essential part showing a modification of the dismantling tool.
5A is a side view showing a configuration of a conventional dismantling work machine, and FIG. 5B is a plan view taken along the line AA.
FIG. 6 is a perspective view showing a configuration of another conventional demolition work machine.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Dismantling work machine 2 Crawler 3 Lower traveling body 4 Upper turning body 5 Work attachment 7 Boom 8 Arm 9 Crusher 9b Fixed blade 9d Movable blade 10 Boom cylinder 11 Arm cylinder 12 Crusher cylinders 16, 17 Pair of arms 18 Hydraulic cylinder 21 Beam member 27 Oscillating arm 28 Rotating shaft 29 Oscillating cylinders 30 and 31 Nipping tool 33 Beam member

Claims (4)

A crushing device which is provided on the upper swing structure, the demolition machine having a pressing device provided in the lower traveling body,
The pressing device has a pair of arms for holding that extends in the longitudinal direction of the lower traveling body, and a pressing cylinder for rotating the arm for the pair of pressing in a vertical direction with respect to the lower traveling body , In addition,
A swing arm to the pair of disposed between the presser arm arm the retainer is swingably connected to the left-right direction about the vertical axis, it expands and contracts is linked to the swing arm And a swing cylinder that swings the swing arm in the left-right direction between the pair of presser arms, and the tip of the swing arm moves toward one presser arm side to move the A clamping mechanism configured to clamp a dismantling object between the tip of the swing arm and the one pressing arm ;
A demolition work machine comprising: a beam member that connects the pair of presser arms in the left-right direction and supports a substantially intermediate position in order to prevent vertical deformation of the swing arm. . Demolition work machine of claim 1 wherein the beam member is configured to detachably attached to the arm for the pair of pressing. The dismantling work machine according to claim 1 or 2 , wherein a disassembling tool is attached to a contact portion where the swing arm and the one presser arm abut. The tool fixing part formed on the abutting part is common to each tool so that the dismantling tool can be detached and replaced with different dismantling tools prepared according to dismantling work. The demolition work machine according to claim 3 , which has a structure.

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