JPH06254420A - Demolition machine - Google Patents

Abstract

(57) [Summary] [Purpose] The object to be disassembled can be reliably clamped, and the orientation of the object to be clamped can be easily changed, and an unreasonable force may be applied to the clamping arm. To provide a dismantling machine with good workability. [Structure] In a dismantling machine in which a dismantling cutter 5 is attached to a front attachment 3 of a hydraulic excavator, a multi-joint which is laterally opened and closed by an actuator for opening and closing at a front portion of a track frame 6 of the hydraulic excavator. Clamping arm 1
Install 0. Each pinching arm 10 has a parallel link 19 so that the tip arm 9 of the pinching arm 10 holds the pinching arm.
It is configured to always be parallel regardless of the opening / closing position of the frame 10. A gripping tool 20 that is vertically rotated by a rotating actuator is provided on the facing surface of each tip arm 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dismantling machine suitable for cutting a body and an engine mainly when dismantling automobile scraps and the like.

[0002]

2. Description of the Related Art When dismantling automobile scrap, the engine is taken out of the vehicle body and sorted from the body portion. This is because expensive aluminum is often used for the engine in order to reduce its weight, and from the viewpoint of resource reuse, the engine is melted and aluminum is regenerated.

Further, when melting an engine, a large number of engines are put in a melting furnace at a time to improve the processing efficiency, and parts having a melting point close to that of aluminum such as zinc and copper are excluded. In order to obtain high quality recycled aluminum, it is necessary to remove unnecessary parts connected to the engine, and thus the taken out engine is further disassembled.

Conventionally, this engine dismantling work has been carried out by removing the bolts and the like to which unnecessary parts are attached using a tool, or by manually burning the parts with an oxygen gas burner or the like. However, the manual dismantling work requires a long time and the work efficiency is low, and the oil and gasoline remaining in the parts may be ignited or exploded due to the flame of the oxygen gas burner, which is very dangerous. . In order to solve the above problems, a dismantling machine as shown in FIG. 4 has been developed which performs the engine dismantling work by mechanical force.

FIG. 4A is a side view of a conventional dismantling machine, and FIG.
(B) is an enlarged plan view showing a holding arm portion of the dismantling machine. As shown in FIGS. 4A and 4B, the dismantling machine is
A hydraulic excavator including a lower traveling structure 1, an upper revolving structure 2 and a front attachment 3 is used as a base machine, and a disassembling cutter 5 is attached to a tip of a front attachment 3 attached to the upper revolving structure 2. Further, in order to sandwich the object to be disassembled, a bracket 30 is attached to the front part of the track frame 6 by a hydraulic cylinder (not shown) so that the bracket 30 can be raised and lowered, and a pair of hydraulic cylinders 52 are opened and closed at the front part of the bracket 30. The holding arm 50 is provided.

When the engine dismantling work is carried out by the dismantling machine, the engine 60 separated from the vehicle body is sandwiched between the clamping tools 53 of the clamping arm 50 and fixed, and in this state, the dismantling cutter 5 and Operate the front attachment 3 to dismantle it. When performing this disassembly, when the unnecessary portion to be removed is on the lower surface side of the engine 60 and needs to be directed to the upper surface side, the dismantling cutter 5 and the front attachment 3 are operated to change the direction of the engine 60. Was going on.

However, in the above-mentioned object-to-be-disassembled structure, since the sandwiching arm 50 simply rotates horizontally, the force of the sandwiching tools 53, 53 depending on the size of the object to be disassembled such as the engine 60. X is applied diagonally, engine 60
There is a problem that the object to be disassembled or the like easily comes off the holding tool 53. Further, when changing the orientation of the object to be dismantled such as the engine 60, there is a problem that the operation is difficult and time is required because the operation is difficult and takes time. Further, when the direction of the object to be disassembled such as the engine 60 is changed, the object to be disassembled may be erroneously rotated while being sandwiched. In this case, an unreasonable force is applied to the mounting portion 31 of the sandwiching arm 50. There was also a problem that it could be damaged and damaged.

In view of the above-mentioned problems, the present invention can reliably clamp an object to be disassembled, can easily change the direction of the object to be disassembled, and further, the clamping arm. It is an object of the present invention to provide a dismantling machine with good workability that does not apply excessive force to the machine.

[0009]

In order to achieve the above object, the present invention provides a dismantling machine in which a disassembling cutter is attached to a front attachment of a hydraulic excavator, and a front part of a track frame of the hydraulic excavator. , A pair of left and right articulated pinching arms that can be opened and closed laterally by an actuator for opening and closing are attached, and each pinching arm has a parallel link and the tip arm of the pinching arm is pinched. It is constructed such that it is always parallel regardless of the open / closed position of the arm, and a holding tool which is turned vertically by a turning actuator is provided on the facing surface of each tip arm. To do.

[0010]

Since the present invention has the above-mentioned structure, the pair of clamping arms facing each other are opened and closed while being kept parallel to each other by the actuator for opening and closing to clamp the object to be disassembled. Also,
The object to be disassembled, which is sandwiched between the clamps provided on the tip arm of the clamp arm, is rotated by rotating the clamp,
The vertical direction can be changed.

[0011]

1 is a side view showing an embodiment of a dismantling machine according to the present invention, FIG. 2 is a plan view showing a holding arm of the embodiment, and FIG. 3 is a holding arm of the embodiment. It is a side view. As shown in FIG. 1, the dismantling machine comprises a truck frame 6 having a front end arm 7, an intermediate arm 8 and a front end arm 9 connected to each other by longitudinal axes a and b. Left and right pinching arm 1
0 is provided. The left and right base end arms 7 are lateral frames.
The base end arm 7 is integrated with a frame 22 and the pin 1 is attached to a bracket 11 welded to the front portion of the track frame 6.
It is mounted so that it can be lifted and lowered by a lifting hydraulic cylinder 13 centering around 2. Further, the bracket 7a provided on the proximal arm 7 and the bracket 9b provided on the distal arm 9 are connected by a parallel link 19 and pins c and d, and the pins a, b, c and d are connected. The connecting lines form a parallelogram. 16
Is a hydraulic cylinder for opening and closing the holding arm 10, one end of which is connected to the bracket 8a of the intermediate arm 8 by a pin 17 and the other end of which is connected to a bracket 9a of the tip arm 9 by a pin 18 and attached. .

By the operation of the hydraulic cylinder 16, the intermediate arm 8 and the tip arm 9 horizontally rotate about the pin a and the pin b, respectively. At this time, the arms 7 and 9 are parallel to each other. Since they are connected by the link 19, the positions of the pins a to d always operate while maintaining a parallelogram, and a pair of left and right tip arms 9 and 9 facing each other are provided.
Keeps the parallel state and opens and closes in the direction of arrow Z.

Reference numeral 20 denotes a holding tool provided on the opposing surface sides of the pair of tip arms 9 and 9 facing each other, and the holding tool 20 is attached to the tip arm 9 via a swivel bearing 20a with an internal gear. Installed. The bearing 20
The internal gear a is a hydraulic motor 2 provided on the tip arm 9.
The drive pinion 21a of No. 1 is meshed, and the clamping tool 20 is configured to rotate in the vertical direction about the horizontal axis by driving the hydraulic motor 21.

When the engine is disassembled by using the dismantling machine, the engine 60 is placed between the pair of tip arms 9 and the hydraulic cylinder 16 is operated to operate the engine 6.
0 is clamped between the clamps 20 of the tip arm 9 and the dismantling work is performed using the dismantling cutter 5 provided on the front attachment 3 as in the conventional case. Further, when changing the direction of the engine 60 sandwiched, the hydraulic motor 2
The engine 60 is rotated in the arrow Y direction by operating 1 to rotate the holding tool 20.

As described above, the engine 60 is sandwiched between the pair of tip arms 9, 9 which are opened and closed while maintaining the parallel state. Therefore, regardless of the size of the engine 60, the sandwiching force X is generated. It acts in a right-angled direction and can reliably support the engine 60. In addition, by operating the hydraulic motor 21 to rotate the holding tool 20, the holding tool 2
The engine 60 can be rotated in the direction of the arrow Y to change its direction while being sandwiched between 0 and 20. Therefore, the engine 6 is placed above the dismantling cutter 5.
Any face of 0 can be easily oriented. With these, dismantling work can be performed efficiently.

If the object to be disassembled has such a size that it cannot be clamped between the tip arms 9, 9,
The clamping arm 1 is operated by the operation of the undulating hydraulic cylinder 13.
0 is undulated to form a toothed portion 9c at the tip of the tip arm 9.
The above dismantling work can be performed by pressing the object to be dismantled. Further, by using the sandwiching arm 10 as a body pressing device, the dismantling machine can be used for dismantling work for cutting off the engine from the vehicle.

In this embodiment, the arm opening / closing hydraulic cylinder 16 is provided with an intermediate arm 8 in order to open and close the holding arm 10 in a wide range while avoiding interference with the lower traveling body 1. The hydraulic cylinder 16 may be provided between the base arm 7 and the intermediate arm 8 (or the tip arm 9). Also, opening and closing actuator
A hydraulic motor or the like may be used as the motor, and a hydraulic cylinder may be used as the rotating means of the holding tool 20.

The dismantling machine according to the present invention can be used for dismantling works of various machines in addition to dismantling work of automobile scraps.

[0019]

According to the present invention, since a pair of holding arms that open and close in parallel are provided and the objects to be held are held by the holding arms, the objects to be held can be reliably held. , The efficiency of dismantling work can be improved. Further, since the pair of right and left holding tools are provided so as to be rotatable in the vertical direction, it is possible to easily change the orientation of the object to be disassembled in a state of sandwiching the object to be disassembled without requiring skill. Further, the efficiency of dismantling work can be improved.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a dismantling machine according to the present invention.

FIG. 2 is a plan view showing a holding arm of the embodiment.

FIG. 3 is a side view showing a holding arm of the embodiment.

FIG. 4A is a side view showing a conventional dismantling machine, and FIG. 4B is an enlarged plan view showing a holding arm portion of the dismantling machine.

[Explanation of symbols]

 1 Lower Traveling Body 2 Upper Revolving Body 3 Front Attachment 5 Dismantling Cutter 6 Track Frame 7 Base End Arm 7a, 8a, 9a, 9b Bracket 8 Intermediate Arm 9 Tip Arm 10 Clamping Arm 13 Hydraulic cylinder for undulation 16 Hydraulic cylinder for opening / closing 19 Parallel link 20 Clamping tool 20a Slewing bearing 21 Hydraulic motor 21a Drive pinion 60 Engine (object to be disassembled)

Claims (1)

[Claims] 1. A dismantling machine in which a disassembling cutter is attached to a front attachment of a hydraulic excavator, a pair of left and right laterally opened and closed by an actuator for opening and closing in front of a track frame of the hydraulic excavator. The multi-joint type clamping arm is attached, and each clamping arm has a parallel link so that the tip arm of the clamping arm is always parallel regardless of the open / close position of the clamping arm. A disassembling machine, characterized in that it is provided with a sandwiching tool that is vertically rotated by a rotating actuator on the facing surface of each of the tip arms.