JP2004197419A - Breakup machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a breakup machine for efficiently cutting an object to be cut, and surely cutting an object to be cut such as an aluminum sash comparatively soft and small in thickness. <P>SOLUTION: This breakup machine includes: a boom 6 provided on a vehicle body 1 of a self-running working vehicle to be revolved and elevated; a break-up pincher 4 mounted on the tip of the boom; and a pair of right and left arms 12a, b mounted on the front and the rear of the vehicle body and driven to be opened and closed in the horizontal direction. A pair of cutting blades 16 for cutting the object to be cut are fitted opposite to the respective arms. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a dismantling machine used for dismantling a building such as an apartment, for example. In particular, the present invention relates to a dismantling machine used when a sash or the like attached to a room of an apartment or the like is peeled off from the room and cut.
[0002]
[Prior art]
In the dismantling of buildings such as condominiums, when the sash attached to the building room is peeled off and dismantled, it has conventionally been entered into the room of the apartment etc. by self-propelled, and doors, sashes etc. are cut off from that room A dismantling machine that peels off an object and dismantles it is used.
[0003]
For example, as described in Patent Literature 1, a dismantling work using a conventional dismantling machine is performed by dismantling a puncher at a tip end of a boom provided so that an operator can turn and lie down on a vehicle body of a self-propelled work vehicle from a driving cabin. Remote control to peel off the sash etc. together with the wall material etc., and sandwich the door, sash etc. which is peeled off by a pair of left and right arms that can be opened and closed in the horizontal direction equipped on the front or rear part of the vehicle body It is performed by fixing, and cutting or crushing waste steel materials, sashes, and the like with a dismantling pliers. The dismantling pliers used in the dismantling work vehicle described in Patent Literature 1 are used to cut an object to be cut by a so-called "scissors" method.
[0004]
In the above conventional technique, when cutting an object to be cut (a sash or the like), be sure to peel off the sash or the like at the holding portion at the tip of the dismantling pier and then fix the sash or the like with the opening / closing arm of the vehicle body. The cutting work was cumbersome and complicated because the cutting work could only be done after a while.
[0005]
As is well known, the cutting of the object to be cut by the conventional “scissors” method is performed by the shearing force of a pair of blades. If the object to be cut is relatively hard, such as steel, or has a relatively large thickness, cutting can be managed even if a gap is created or rattle occurs between the pair of blades. However, there is a problem that it is difficult to cut a relatively soft and small (thin) plate (especially a thin plate portion) such as an aluminum sash widely used as a building material by the conventional "scissor" method. This is because, when a gap is created between a pair of blades, if the aluminum sash is cut by shearing the pair of blades, the aluminum sash is bent and deformed in this gap, leading to cutting. The main reason is that there is no.
[0006]
For this reason, in the dismantling machine provided with the dismantling venture as described in Patent Literature 1, at the time of dismantling a building such as an apartment, the building must be crushed and dismantled together with its doors, windows, its sash frames and the like. It was difficult to cut aluminum sashes and the like into small pieces, separate them into aluminum materials and other materials, and dismantle them.
[0007]
However, in recent years, for the purpose of recycling and utilization of building waste, regulation of final disposal sites, and environmental protection, it has become mandatory for businesses to separate and dismantle according to the regulations of the national and local governments. In order to fulfill this obligation, the conventional dismantling machine described above could not cut aluminum sashes into small pieces and separated and collected them. The only option was to remove the door frame and take it out of the building and transport it to the treatment facility by truck. In this case, the dismantling work requires not only the scattering of asbestos but also a lot of labor and heavy labor, and the number of man-hours for the work has to be increased, resulting in high costs.
[0008]
In addition, when it is desired to increase the cutting force (shearing force) for the purpose of cutting a large member or the like, it is necessary to increase the size of the blade portion of the dismantling pier or to increase the pressure of the drive hydraulic unit of the dismantling pier. In addition, there is a problem that the dismantling machine is large and expensive.
[0009]
On the other hand, a pair of shearing blades provided in the cutting work vehicle described in Patent Literature 2, one of the shearing blades has a frame shape, the other blade has a substantially plate shape, In this type, the plate-shaped blade portion passes while sliding on the inner edge of the frame of the frame-shaped blade portion. According to this shearing blade, even a relatively soft and small (thin) plate-like cutting target such as an aluminum sash supports the cutting target on the entire frame-shaped side surface of the frame-shaped member. Patent document that when a plate-shaped blade portion passes through the inside of the frame of the frame-shaped blade portion, even if there is a gap between the frame-shaped blade portion and the plate-shaped blade portion, the aluminum sash becomes difficult to bend and does not cut. The first problem hardly occurs.
[0010]
However, even in the cutting work vehicle described in Patent Literature 2, since the shearing blade is attached to the distal end of the hydraulic boom, the work object holding portion formed at the distal end of the shearing blade has aluminum. The aluminum sash and the like cannot be cut by the shearing blade unless the aluminum sash and the like are gripped and peeled off, and the aluminum sash or the like is once fixed by an arm that opens and closes horizontally. For this reason, similarly to the dismantling work vehicle described in Patent Literature 1, the disassembling (cutting) work is wasted and inefficient.
[0011]
In addition, when it is desired to increase the shearing force of the shearing blade portion described in Patent Document 2, similarly to the dismantling puncture described in Patent Document 1, the shearing blade portion is enlarged, or the driving hydraulic unit for the shearing blade portion is provided. Higher pressures had to be applied, which made the cutting work vehicle larger and more expensive.
[0012]
[Patent Document 1]
Japanese Patent No. 312247
[Patent Document 2]
Japanese Patent No. 3227473
[0013]
[Problems to be solved by the invention]
The present invention has been made in view of such circumstances, and provides a disassembler capable of efficiently cutting an object to be cut. A further object of the present invention is to provide a dismantling machine capable of reliably cutting even a relatively soft and small (thin) plate-like object such as an aluminum sash. In addition, it is another object of the present invention to provide a dismantling machine capable of obtaining a large cutting force (shearing force) at a low cost as compared with a conventional dismantling machine.
[0014]
[Means for Solving the Problems]
In order to achieve the above object, according to the invention described in claim 1, a boom provided to be able to turn and lie down on the body of the self-propelled work vehicle, and a dismantling piercer provided at a tip portion of the boom, A dismantling machine equipped with a pair of left and right arms that can be opened and closed in the horizontal direction and that is mounted on a front portion or a rear portion of the vehicle body portion, wherein the pair of cutting blade portions for cutting an object to be cut are each of the arms. And a dismantling machine which is attached to the dismantling machine.
[0015]
According to a second aspect of the present invention, in the dismantling machine according to the first aspect, the pair of arms are configured to be able to be driven up and down in a vertical direction.
[0016]
According to a third aspect of the present invention, in the dismantling machine according to the first or second aspect, the pair of cutting blades are mounted to be rotatable around a pivot, and the opening and closing operation of the arm is accompanied by the opening and closing operation of the arm. Then, using the position where the cutting blade portion of the arm is attached as a point of force, the blade portions are mutually rotated while sliding with each other around the pivot point.
[0017]
According to a fourth aspect of the present invention, in the dismantling machine according to the third aspect, one of the pair of cutting blades is formed in a frame shape, and the other is formed in a plate shape. And wherein the plate-shaped cutting blade portion is configured to pass through the inside of the frame while sliding on the frame-shaped cutting blade portion.
[0018]
According to a fifth aspect of the present invention, in the dismantling machine according to the fourth aspect, at least a tip end of the plate-shaped cutting blade is formed in a substantially arc shape bent toward the frame-shaped cutting blade. It is characterized by being.
[0019]
According to a sixth aspect of the present invention, in the dismantling machine according to the fifth aspect, the tip of the plate-shaped cutting blade has a pointed shape.
[0020]
ADVANTAGE OF THE INVENTION According to this invention, the boom provided in the vehicle body part of a self-propelled work vehicle so that it can turn and lower, the dismantling puncture provided in the front-end | tip part of this boom, and the front part or the rear part of the said vehicle body part are equipped. And a pair of left and right arms that can be driven to open and close in the horizontal direction. A pair of (left and right) cutting blades for cutting an object to be cut are attached to each of the arms so as to face each other. From here, when the arm is opened and closed in the horizontal direction, the object to be cut can be cut by the pair of left and right cutting blades. If the sash is peeled off with the disassembly pens and the sash is moved to the position of the arm (with the cutting blade) as it is The cutting can be performed by opening and closing the arm. In other words, the conventional operation of holding the object to be cut, such as a sash, by opening and closing the arm and then cutting with the disassembly penser becomes unnecessary, and the cutting operation is simplified. As a result, the working time is greatly reduced, and the working efficiency is improved.
[0021]
The cutting blade portion of the present invention is of a concept that is included as long as it has a structure capable of cutting an object to be cut, and may be of any type as long as it is provided to face each arm. Good. The mounting posture may be horizontal between the left and right arms, or may be mounted between the left and right arms so as to stand upright at an arbitrary inclination angle from the ground. This is because the cutting blade can cut the object to be cut by opening and closing the arm in any mounting posture. The method of mounting the cutting blade in an upright posture may be a method of fixing the blade at a certain inclination angle, or a method of variably mounting the hydraulic cylinder and a latch. In the latter case, there is an advantage that the object to be cut can be cut to a suitable length by arbitrarily adjusting the mounting posture of the cutting blade.
[0022]
Further, in the present invention, since the cutting of the cutting object is not performed by the dismantling pliers, the dismantling pier can simply grab and peel off the cutting object such as an aluminum sash attached to the wall of an apartment or the like. It is enough. Therefore, there is no need to supply a high-pressure oil pressure for driving the disassembly pier for cutting, and the hydraulic device can be downsized. Of course, the disassembly pier may have a cutting function. That is, the disassembly puncture in the present invention includes all that can at least grasp and tear off the object to be cut.
[0023]
Further, according to the present invention, since the pair of arms are configured to be able to be driven up and down in the vertical direction, the object to be cut such as a sash is peeled off with a disassembly pens and lowered to near the position of the arm. Can be undulated up and down to an arbitrary position to cut a sash or the like. Therefore, there is an advantage that the cutting can be performed with a suitable length when cutting the cutting object.
[0024]
Further, in the present invention, the pair of cutting blades are mounted so as to be rotatable around a pivot point, and with the opening and closing operation of the arm, the position of the arm where the cutting blade is mounted is set as a power point. The blade portions (the portions extending from the pivot point to the tip) of the blades are rotated around the pivot point while sliding. That is, the cutting blade portion of the present invention is reciprocally rotated about the pivot point by the "leverage principle" with the mounting position of the cutting blade portion mounted on the arm as a point of power. With this configuration, the greater the distance from the mounting position of the cutting blade to the pivot point, the greater the force that can be transmitted to the tip of the cutting blade with a small amount of force.
[0025]
Moreover, if the arm itself is configured to be openable and closable about a pivot, and a hydraulic cylinder or the like expands and contracts at a predetermined position of the arm to open and close the arm about the pivot, the operation of the hydraulic cylinder or the like is performed using the pivot as a fulcrum. It becomes a mechanism using the "leverage principle" with the position of the arm to be the point of force, and since the cutting blade portion attached to such an arm also uses the "leverage principle", a combination of "leverage", that is, , "Double lever". Therefore, if a very small force is applied to the arm, a large shearing force can be applied to the cutting blade (the distal end) by the “double lever”.
[0026]
Therefore, if the knife (cutting blade) of the present invention is attached to the arm of a conventionally used dismantling machine, a large cutting force can be obtained by the "leverage principle", and a strong dismantling machine can be obtained without increasing the size. Even members can be reliably cut. Further, even when the dismantling machine is downsized, the cutting tool using the "leverage principle" can exert a cutting force equal to or higher than that of the dismantling machine before downsizing.
[0027]
This means that it is not necessary to mount a large-sized, high-pressure hydraulic device, etc. on the dismantling machine in order to increase the cutting force, leading to the realization of a compact, lightweight and low-cost dismantling machine. Needless to say. By realizing such a small size and light weight, the workability of the dismantling machine in a room such as a condominium or the like (for example, easy operation even in a narrow space) is excellent.
[0028]
Further, sashes and the like used for condominiums and the like are generally made of aluminum, and as is well known, aluminum is a softer material than steel. If it is a steel material or a thick aluminum material, it can be cut by the so-called conventional `` scissors '' method, in which a pair of blades are rotated around a pivot point and the members are cut by shearing with two pieces such as a dismantling puncher. Although it is possible, the aluminum sash used in apartments is soft and has a relatively small thickness, so it is difficult to cut it easily with conventional dismantling pliers like scissors. In particular, if there is a gap or rattling in the blade part of the dismantling pliers, the sliding between the blade parts will be insufficient, the transmission of the shearing force applied to the cutting object will be poor, and the aluminum sash will have a gap between the blade parts. In most cases, only the shape was changed as if it were bent, but it was not possible to cut it.
[0029]
However, according to the present invention, in the pair of cutting blades, one cutting blade is formed in a frame shape, and the other cutting blade is formed in a plate shape. It is configured to pass through the inside of the frame while sliding on the frame-shaped cutting blade.
[0030]
With this configuration, when an object to be cut such as an aluminum sash is sandwiched between the plate-shaped cutting blade and the frame-shaped cutting blade, the aluminum sash is supported (fixed) on the entire frame-shaped side surface of the frame-shaped cutting blade. In this state, the plate-shaped cutting blade slides against the edge inside the frame and pushes the aluminum sash, etc., so that the gap between the blades of the conventional "scissors" type and the space with backlash The aluminum sash and the like do not bend and enter. That is, by supporting the object to be cut on the frame-shaped side surface of the frame-shaped cutting blade, even a soft material such as an aluminum sash can be prevented from bending and deforming. Therefore, when one of the plate-shaped cutting blades passes while sliding on the edge of the inside of the frame, the aluminum sash can be cut sharply and sharply. It can be collected and reused.
[0031]
Moreover, by forming a pair of the frame-shaped cutting blade portion and the plate-shaped cutting blade portion, even if a gap is generated between the blades, the aluminum sash or the like is formed when the frame is sandwiched between the blades. Since it is supported by the frame-shaped side surface of the cutting blade, the aluminum sash or the like is not easily bent or deformed in the gap at the time of cutting. Therefore, even if a gap is formed between the blades after long-term use, the cutting performance can be favorably maintained for a long period of time.
[0032]
Therefore, the dismantling machine according to the present invention can operate in a building by going up and down stairs by self-propelled operation, and can remove doors and windows by mechanical operation from inside a dustproof and air-conditioned operating cabin. The sash frame of the window can be cut and fragmented efficiently with scissors, separated into iron-based materials, aluminum-based materials, wooden materials, etc., and configured as a dismantling machine that can be cut with sufficient force even with a small hydraulic backhoe. It is possible.
[0033]
In addition, the cutting blade part of this invention is comprised so that a frame-shaped cutting blade part and a plate-shaped cutting blade part may become a pair, and the plate-shaped cutting blade part (side surface part) and the frame-shaped inside (edge part). This is a concept that includes all structures that can cut the object to be cut by sliding. In addition, the plate shape in the present invention includes all shapes that can pass through the inside of the frame shape, and not only a narrowly defined plate shape, but also a bar shape or any other shape of the cutting blade portion of the present invention. include.
[0034]
Further, at least the distal end of the plate-shaped cutting blade of the present invention is formed in a substantially arcuate shape bent toward the frame-shaped cutting blade. With this configuration, the tip serves as a stopper for the object to be cut (such as an aluminum sash) to move (escape) in the cutting direction, so that the object to be cut is located between the root and the tip of the cutting blade. An object can be restrained and the aluminum sash can be cut more reliably.
[0035]
Here, the plate-shaped cutting blade portion in the present invention includes any shape as long as at least the distal end portion is bent toward the frame-shaped cutting blade portion and is formed in a substantially arcuate shape. For example, an approximately arcuately bent shape also corresponds to the substantially arcuate shape of the present invention. Even if the plate-shaped cutting blade portion is formed so as to draw an arc over the entirety, the approximately arcuate shape of the present invention may be used. Applicable.
[0036]
More preferably, the tip of the plate-shaped cutting blade has a pointed shape. In this case, since the pointed portion at the tip can pierce and cut the object to be cut like a drill, for example, even if the member is a (relatively thin) plate member and is longer than the blade portion, the pointed portion cuts the plate member. A hole can be made by piercing the hole, and cutting can be performed while restraining the plate material from moving in the cutting direction (escape) by entering a pointed portion into the hole. In other words, according to the present invention, even for a large plate material or the like that does not fit within the range of the length of the blade portion, the range of the length from the base of the blade portion to the position where the pointed tip portion is pierced is surely ensured. The advantage is that it can be cut. The pointed shape may be any shape having a shape and strength enough to pierce the object to be cut.
[0037]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, one embodiment of the present invention will be described with reference to the drawings. 1 is a schematic front view of a dismantling machine according to an embodiment of the present invention, FIG. 2 is a schematic plan view of FIG. 1 in a state where a cutting blade is closed, and FIG. 3 is a diagram in a state where a cutting blade is open. 1 is a schematic plan view of FIG. FIG. 4 is a partial schematic perspective view in which the tip portion of the cutting blade is enlarged. The figure shows an example of a dismantling machine using a hydraulic backhoe as a self-propelled vehicle. In the figure, a turning stage 2 driven by a part of the engine output is mounted on a vehicle body portion 1. A hydraulic pressure generator 5 is mounted behind the stage 2.
[0038]
An operation cabin 3 is provided on the front left side of the stage 2 so as to face forward during traveling, and a boom 6 is pivotally supported by an up-and-down cylinder 7 at the center so that the boom 6 can be raised. Has a dismantling work pliers 4 at its tip.
[0039]
A support block 8 is attached to the front part of the vehicle body 1 so as to be able to lie up and down by a pivot shaft 9, and the support block 8 is provided with a hydraulic pressure projecting forward from the body 1. It is designed to be driven by a piston cylinder device 10. That is, a pair of arms 12a and 12b, which will be described later, can be driven up and down by the elevation of the support block 8.
[0040]
A pair of arms 12a and 12b which can be opened and closed in the horizontal direction by pivot points 11a and 11b disposed close to each other are provided on the front surface of the support block 8 so as to protrude forward. The ends of the piston rods of the hydraulic piston cylinder devices 13a and 13b for opening and closing the arms with the support block 8 are connected by slideway shafts 14a and 14b. The emphasis is on
[0041]
Further, in consideration of the convenience of the disassembling operation, in the present embodiment, a pair of left and right holding tools 23a and 23b for holding all members such as peeled sashes and steel frames at the distal ends of the arms 12a and 12b. It has. The shape of the holding members 23a and 23b can be appropriately selected in consideration of the work conditions for dismantling the building, such as those having a planar contact surface, those having a concave surface, and those having a convex surface.
[0042]
Further, the vehicle body of the dismantling machine can be accommodated within a vehicle length, a vehicle width, and a vehicle height that can be driven on a public road. When driving on a public road, the boom 6 is folded down with the dismantling pliers 4 on the vehicle body side and prone. Then, the arms 12a and 12b raise their front ends so as not to hinder the running. As a result, it is possible to quickly go to a work site where buildings such as condominiums are dismantled without loading on trucks or trainers.
[0043]
The cutting blade 16 of the dismantling machine according to the present embodiment has a pair of a plate-shaped cutting blade 16a and a frame-shaped cutting blade 16b, and the base end side of the plate-shaped cutting blade 16a is connected to one arm 12b. The frame-shaped cutting blade 16b is rotatably mounted around the rotating shaft 17a so that the base end of the frame-shaped cutting blade 16b is opposed to the plate-shaped cutting blade 16a by the other arm 12a. Mounted movably. The mounting posture of the cutting blade 16 according to this embodiment is horizontal. Further, the plate-shaped cutting blade 16a and the frame-shaped cutting blade 16b are attached so as to be rotatable around the pivot point P (rotatable in opposite directions). With this configuration, the plate-shaped cutting blade portion is set with the mounting positions X and Y as power points and the pivot point P as a fulcrum with the operation of opening and closing the pair of arms 12a and 12b in the horizontal direction (left and right directions in FIGS. 2 and 3). The side portions 19 of the plate-shaped cutting blade 16a pass through the frame-shaped interior 18 of the frame-shaped cutting blade 16b such that the distal ends of the frame-shaped cutting blade 16a and the frame-shaped cutting blade 16b rub against each other (see FIG. 4). At this time, a shearing force is applied to the cutting target sandwiched between the plate-shaped cutting blade 16a and the frame-shaped cutting blade 16b, and the cutting target is cut.
[0044]
As described above, the cutting blades 16a and 16b of the dismantling machine according to the present embodiment rotate the cutting blades 16a and 16b around the pivot point P using the attachment positions X and Y as power points according to the "leverage principle". Since the object to be cut is pushed off by the shearing force, even if the force for closing the arms 12a and 12b is slight, the shearing force acting on the distal ends of the cutting blades 16a and 16b becomes large. Further, as the distance from the pivot point P to the mounting positions X and Y increases, the applied shearing force increases. Therefore, even if the opening / closing force of the arm (particularly, the force for closing the arm) is small, the object to be cut such as an aluminum sash can be reliably cut with a large force.
[0045]
Furthermore, in the present embodiment, the arm 12a is a mechanism utilizing the "leverage principle" in which the pivot shaft 11a is used as a fulcrum and the position of the slide shaft 14a is a force point where the opening / closing driving force acts (the arm 12b). Therefore, if hydraulic pressure is applied from the hydraulic piston cylinder device 13a in the direction to close the arm 12a, cutting is performed by the "double lever" principle of the "lever" of the arm 12a and the "lever" of the cutting blade portion 16. A large shearing force can be applied to the blade portion 16.
[0046]
Thus, according to the present embodiment, it is not necessary to increase the hydraulic pressure of the drive device for opening and closing the arms 12a and 12b in order to obtain a large shearing force, which also contributes to downsizing and cost reduction of the dismantling machine. Needless to say. Note that the distance from the mounting positions X and Y to the pivot point P may be appropriately determined according to the required cutting force (shearing force).
[0047]
Further, the distal end portion 20 of the plate-shaped cutting blade portion 16a of the demolition machine according to the present embodiment has a substantially arcuate shape that is bent in an arc toward the frame-shaped cutting blade portion 16b, and goes to the front end. It is shaped like a generally conical pointed tip. With this shape, the cutting target object sandwiched between the plate-shaped cutting blade portion 16a and the frame-shaped cutting blade portion 16b is sharply pierced by the distal end portion 20 so that cutting can be reliably performed. In particular, in the case of a thin object to be cut such as an aluminum plate, a hole is made in the object to be cut by piercing the tip portion 20, so that the object to be cut can be reliably cut without moving.
[0048]
The plate-shaped cutting blade portion 16a of the present embodiment has a configuration in which a replaceable blade 22 is attached to one surface as shown in FIG. 4, but has a configuration in which blades are attached to both surfaces of the plate-shaped cutting blade portion 16a. Is also good. It is also possible to use a cutting blade unit integrally formed with the base material.
[0049]
Next, a method of cutting the object to be cut using the dismantling machine according to the present embodiment configured as described above will be described. First, an operator grips an aluminum sash or the like (object to be cut) from the inside of the driving cabin 3 by remote control with the dismantling pier 4 and peels it off the building. Then, while holding the aluminum sash, the arms 12a and 12b are opened horizontally and lowered to the positions of the cutting blades 16a and 16b attached to the arms. When the arms 12a and 12b are closed in this state, the aluminum sash is cut by the shearing force of the cutting blades 16a and 16b. The arms 12a and 12b are opened again, and the operator operates the inside of the driving cabin 3 to change the direction of the dismantling pier 4 by remote control, and then adjusts the aluminum sash to the positions of the cutting blades 16a and 16b. By closing 12b, uncut aluminum sash portions can be continuously cut. Further, when the length of the aluminum sash is long, the aluminum sash can be cut to a suitable arbitrary length by cutting the arm 12a, 12b by raising and lowering the arm 12a, 12b in the vertical direction, and separation and collection becomes easy.
[0050]
Here, the aluminum sash or the like is cut by being sandwiched between the plate-shaped cutting blade 16a and the frame-shaped cutting blade 16b. In this cutting, the object to be cut such as the aluminum sash is the frame-shaped cutting blade. Since the frame-shaped side surface 21 of the portion 16b is supported (fixed), even if a gap or the like is generated between the plate-shaped cutting blade portion 16a and the frame-shaped cutting blade portion 16b, the plate-shaped cutting blade portion 16a is not moved. When the aluminum sash and the like pass through the frame-shaped interior 18 of the frame-shaped cutting blade portion 16b, the aluminum sash and the like are not bent and deformed in the gap, and the aluminum sash and the like can be reliably cut.
[0051]
That is, if the frame-shaped cutting blade 16b is formed by a so-called conventional "scissors" method in which the frame-shaped cutting blade 16b has the same shape as the plate-shaped cutting blade 16a, an aluminum sash or the like is used when cutting an aluminum sash or the like. It often occurs that the sash easily bends into the gap between the blades. However, while the aluminum sash or the like as in the present embodiment is supported by the frame-shaped side surface 21 of the frame-shaped cutting blade portion 16b, the inside of the frame-shaped interior 18 is By using a method in which the plate-shaped cutting blade 16a is cut so as to pass through, an aluminum sash or the like is prevented from being bent into and inserted between the blades, so that the cutting can be performed reliably. This was also confirmed when an aluminum sash cutting test was actually performed using the dismantling machine according to the present embodiment.
[0052]
In addition, although the aluminum sash was reduced in volume as it was in the past because it could not be cut well, the disassembling machine according to this embodiment cuts even a soft and thin object such as an aluminum sash finely. Therefore, the portion of the aluminum material constituting the aluminum sash can be separated and collected from other material portions. Therefore, the reuse rate is greatly improved, and the dismantling machine can cope with environmental problems.
[0053]
FIG. 5 is a view showing a modification of the mounting posture of the cutting blade. As shown in this drawing, the cutting blade 116 is variably attached to the arms 12a and 12b at an arbitrary inclination angle by a hydraulic cylinder device and a latch (not shown). With this configuration as well, if the object to be cut is peeled off with the dismantling pier 4 and lowered as it is to the position of the cutting blade 116, the cutting can be performed by opening and closing the arms 12a and 12b. Also in this modification, if the arms 12a and 12b are closed with a slight force by a combination (double lever) of the "leverage principle" of the cutting blade 116 and the arms 12a and 12b, the cutting blade 116 is closed. Is subjected to a large shear force.
[0054]
Here, in the case of this modification, the rotation of the plate-shaped cutting blade 116a and the frame-shaped cutting blade 116b of the cutting blade 116 is performed on a surface formed at a certain inclination angle with respect to the horizontal plane. The surfaces that open and close around the pivots of the arms 12a and 12b are substantially horizontal surfaces. Since the operating surface of the cutting blade 116 and the operating surfaces of the arms 12a and 12b are not parallel in this manner, an unreasonable twisting force is not applied to the cutting blade 116 by the force of opening and closing the arms 12a and 12b. It is preferable to use a universal joint or the like for connecting the cutting blade 116 to the arms 12a and 12b.
[0055]
It should be noted that the dismantling machine of the present invention is not limited to the illustrated example described above, and it is needless to say that various changes can be made without departing from the scope of the present invention.
[0056]
【The invention's effect】
As described above, by attaching the cutting blade to the arm as described above, the work process of fixing the object to be cut to the arm and cutting with the dismantling pliers or the like at the time of cutting can be omitted. An excellent effect that efficient cutting can be achieved. Further, by using a cutting blade portion having a configuration in which the plate-shaped cutting blade portion passes through the inside of the frame-shaped cutting blade portion, a relatively soft and small (thin) plate-shaped object to be cut such as an aluminum sash can be used. An excellent effect that cutting can be surely performed can be obtained. In addition, a large cutting force (shearing force) can be obtained by rotating the cutting blade around the pivot point in accordance with the opening / closing operation of the arm, and an inexpensive and compact dismantling machine can be realized. An excellent effect that it becomes possible can be achieved.
[0057]
Furthermore, according to the present invention, the sash frame of the detached door / window can be efficiently cut and fragmented with scissors, separated into iron-based materials, aluminum-based materials, wooden materials, and the like, and accumulated. However, the work process that has been manually separated and collected becomes unnecessary, which contributes to a significant improvement in work efficiency and cost reduction.
[Brief description of the drawings]
FIG. 1 is a schematic front view of a dismantling machine according to an embodiment of the present invention.
FIG. 2 is a schematic plan view of FIG. 1 in a state where a cutting blade is closed.
FIG. 3 is a schematic plan view of FIG. 1 in a state where a cutting blade is opened.
FIG. 4 is a partial schematic perspective view in which a distal end portion of a cutting blade is enlarged.
FIG. 5 is a view showing a modification of the mounting posture of the cutting blade.
[Explanation of symbols]
1: Body part
2: Turning stage
4: Demolition penture
6: Boom
8: Support block
12a, b: arm
16: Cutting blade
16a: plate-shaped cutting blade
16b: Frame-shaped cutting blade
17a, b: rotating shaft
18: inside frame
19: Side part
20: Tip
21: Frame side
22: Blade
X, Y: Mounting position
P: pivot point

Claims (6)

A boom provided on the body of the self-propelled working vehicle so as to be able to turn and lie down, a dismantling pier provided at the tip of the boom, and a front or rear part of the body, which is opened and closed in a horizontal direction. What is claimed is: 1. A dismantling machine comprising a pair of right and left arms, wherein a pair of cutting blades for cutting an object to be cut are attached to each of the arms so as to face each other. The dismantling machine according to claim 1, wherein the pair of arms are configured to be able to be driven up and down in a vertical direction. The pair of cutting blades are mounted rotatably about a pivot point, and with the opening and closing operation of the arm, the position at which the cutting blade portion of the arm is mounted is used as a point of force, and around the pivot point. The dismantling machine according to claim 1, wherein the blades are configured to rotate relative to each other while sliding. In the pair of cutting blades, one of the cutting blades is formed in a frame shape, and the other is formed in a plate shape, and the plate-shaped cutting blade portion slides on the frame-shaped cutting blade portion. The dismantling machine according to claim 3, wherein the disassembling machine is configured to pass through the inside of the frame. The dismantling machine according to claim 4, wherein at least a tip portion of the plate-shaped cutting blade is formed in a substantially arc shape bent toward the frame-shaped cutting blade. The demolition machine according to claim 5, wherein a tip portion of the plate-shaped cutting blade portion has a pointed shape.

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