KR200355197Y1 - Grapple - Google Patents

Abstract

The present invention relates to a grapple, the mounting plate 10 and the one end is formed to be rotated to the forceps coupling portion 11 of the mounting plate 10 radially from the center of the body to the radially coupled forceps 11 And a tongs 20 formed so as to be bent toward the inside to grip the object at its end, and fixed to the mounting plate 10, and a moving roller 40 to which the moving roller 40 is rotatably coupled. The bracket 30 and the fixed roller bracket 50 is installed at a predetermined distance to the upper portion of the movable roller bracket 30, and the fixed roller 60 is rotatably coupled and mounted, and the mounting plate 10 The hinge portion 71 is radially extended to correspond to the forceps engaging portion 11 of the), and the fixing roller bracket 50 is installed to fix the position of the fixing plate 70 and one end thereof is fixed. Of plate 70 The other end of the branch portion 71 is coupled to the operation rod 80 is hinged to the body of the tongs 20 to be rotatable, one end is fixed to the moving roller 40 and the other end is wound around the fixed roller 60 in a fixed state Since the forceps 20 of the grapple 100 is operated by the loosening and pulling of the wire 90, the wire 90 of the working vehicle such as a crane or a hoist on which the grapple 100 is mounted is composed of a wire 90 that is pulled out. Only the power consumption of the motor that rotates the drum is generated and there is no separate power consumption, which can reduce the costs incurred in use and reduce the overall cost.

In addition, since the forceps 20 are operated by a simple operation in which the wire 90 is wound and unrolled, it is possible to reduce the occurrence of a malfunction than when a conventional hydraulic cylinder is mounted, and to easily troubleshoot a malfunction, thereby increasing convenience during operation.

Therefore, it is a very useful design that is excellent in workability and economic efficiency.

Description

Grapple {Grapple}

The present invention relates to a grapple, and more specifically, to use a wire to operate the forceps to reduce the cost of work, because it does not require the power required to operate the hydraulic unit is designed to reduce the overall cost.

In general, the grapple is used to lift, unload and collect the scrap, waste wood or scrap, various waste materials by mounting or hanging cranes or hoists or vehicles.

And the conventional grapple has a mounting plate 10 extending radially from the center as shown in Figure 1;

One end is rotatably coupled to each front end of the mounting plate 10, and each end is tongs bent inwardly;

One end is rotatably coupled to the outside of one end of the forceps 20 coupled to each of the front end of the mounting plate 10, the other end is rotatably coupled to the body of the forceps 20 and the hydraulic pressure is supplied to the hydraulic A hydraulic cylinder (1) having a piston bar (2) inserted and drawn out by the hydraulic cylinder (1);

It is composed of a hydraulic distributor (3) for distributing the hydraulic pressure to each of the hydraulic cylinder (1) linked to the hydraulic generator.

That is, when hydraulic pressure is supplied to the hydraulic cylinder 1 through the hydraulic distributor 3 from the hydraulic unit such as a hydraulic pump installed separately in the vehicle body on which the grapple is mounted, such as a crane or a hoist, the hydraulic cylinder 1 is operated to operate the piston. As the bar 2 is drawn out, the ends of the tongs 20 are gathered toward the center to grasp the object.

When the hydraulic pressure is released, the piston bar 2 is inserted into the hydraulic cylinder 1 and the end of the tongs 20 is lifted while being opened.

Therefore, by the reciprocating motion of the piston bar (2) of the hydraulic cylinder (1) it is possible to grip the object while the end of the forceps 20 is raised and lowered.

However, the conventional grapple has a hydraulic unit installed on top of the mounting plate to operate the hydraulic pump by electric power to discharge the hydraulic pressure, the operation of the hydraulic cylinder by the pressure of the discharged fluid to pick up the object with tongs As this progresses, there is a discontinuity where the cost of using power is high in the place where the continuous work is performed, which is an increase factor of all costs.

In other words, in the case of unloading or injecting waste materials such as waste incineration plants, cement powders, sintered raw materials, and scraps with specific gravity, they are operated continuously for almost 24 hours during operation. The greater the power consumption, the more expensive it will be.

The purpose of the present invention is to pull and loosen the wire to operate the forceps to grip the object to operate continuously to minimize the power consumption to provide a grapple that can reduce the cost and reduce the overall cost There is.

1 is a front view showing the configuration of a conventional grapple.

Figure 2 is a front view showing a grapple of the present invention.

Figure 3 is a state of use of the grapple of the present invention.

Figure 4 is a schematic view showing a state in which the wire is wound around the roller and the fixed roller of the present invention.

5 is a plan view of a moving roller bracket of the present invention.

6 is a fixed roller bracket of the present invention.

* Description of the major symbols in the drawings *

10-mounting plate 11-tong coupling

20-Grapple 30-Mobile Roller Bracket

40-Moving Roller 50-Fixed Roller Bracket

60-Fixed Roller 70-Fixed Plate

71-hinge 80-working rod

90-wire

The purpose of the present invention and the mounting plate 10 formed by extending the forceps engaging portion 11 radially in the center of the body;

One end is coupled to each of the forceps engaging portion 11 of the mounting plate 10 so as to be rotatable, the forceps 20 formed so that the body is bent toward the inside to grip the object to the end;

A moving roller bracket 30 fixed to the mounting plate 10 and having a moving roller 40 rotatably coupled thereto;

A fixed roller bracket (50) installed at a predetermined distance to an upper portion of the moving roller bracket (30), and fixed to the fixed roller (60) rotatably coupled thereto;

The hinge plate 71 is formed to extend radially to correspond to the forceps coupling portion 11 of the mounting plate 10, the fixed roller bracket 50 is installed to fix the position and the fixed plate 70 ;

An actuating rod (80) having one end hinged to the body of the forceps (20) and the other end rotatably coupled to the hinge portion (71) of the fixing plate (70);

One end is achieved because the other end is composed of a wire 90 wound around the fixed roller 60 by being wound around the moving roller 40 while being fixed.

That is, when the wire 90 is pulled up and the moving roller bracket 30 is lifted, one end of the tongs 20 fixed to the mounting plate 10 is lifted, and the end of the tongs 20 is lifted up, thereby lifting the object. It works so that you can grasp.

Then, as described above, when the end of the tongs 20 is pinched and the wire 90 is lowered by lowering the moving roller bracket 30, one end of the tongs 20 fixed to the mounting plate 10 goes down. The end of 20 is to be lifted and opened.

Therefore, as described above, the forceps 20 are operated by repeatedly pulling and releasing the wire 90 to minimize the power consumption.

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a front view showing a grapple according to the present invention, showing a state in which the end of the forceps is pinched by pulling the wire.

Figure 3 is a state diagram of the use of the grapple of the present invention, the end of the forceps is opened when the mounting plate is lowered by unwinding the wire, and the end of the forceps is pinched when the mounting plate is lifted to show the operation state to grip the object have.

4 is a schematic view showing a state in which the wire of the present invention is wound around a moving roller and a fixed roller.

5 is a plan view of the moving roller bracket of the present invention, Figure 6 is a fixed roller bracket of the present invention, it shows that the moving roller bracket and the fixed roller bracket is inclined to a predetermined angle.

Hereinafter, as shown in FIG. 2, the mounting plate 10 of the grapple 100 according to the present invention is formed by extending the forceps coupling portion 11 radially from the center of the body, respectively, in the forceps coupling portion 11. One end of the forceps 20 that can grip the object is rotatably coupled.

And the tongs 20, one end of which is rotatably coupled to each of the forceps engaging portion 11 of the mounting plate 10, the body is bent with a predetermined arc toward the inner side is in contact with each other in the state where the ends are lowered It is formed to be.

In addition, the upper portion of the mounting plate 10 is fixed to the moving roller bracket 30 which is raised and lowered by loosening and pulling the wire 90 to be described later, the moving roller bracket 30 to the wire 90 The rollable moving roller 40 is rotatably coupled.

In addition, a fixed roller bracket 50 is positioned with a predetermined distance, that is, a height difference, on the upper portion of the movable roller bracket 30, and the fixed roller bracket 50 has a wire 90 wound around the movable roller 40. The fixed roller 60, which spans (), is rotatably coupled.

The fixed roller bracket is fixed to a fixed plate 70 fixed to a work vehicle such as a crane or a hoist on which the grapple 100 is mounted, and the position thereof is fixed when the tongs 20 are operated.

And the fixing plate 70 is installed on a work vehicle such as a crane or a hoist by the fixing rope 74 is raised and lowered by winding and unwinding the fixing rope 74, the present grapple 100 is an object It can be lifted up and down to grab and get off and collect and can move left, right, front and back by operation of the work vehicle.

In addition, the fixed plate 70 includes a first guide roller 72 for guiding the wire 90 that enters and moves the moving roller 40, and a wire 90 wound around the moving roller 40 by a crane or a hoist. A second guide roller 73 for guiding to be connected to a wire drum provided in the same work vehicle is provided.

In addition, the fixing plate 70 is formed by extending the hinge portion (71) radially to correspond to the forceps coupling portion 11 of the mounting plate 10, the hinge portion 71 has an operating rod having a predetermined length ( One end of 80) is rotatably coupled.

And the other end of the operation rod 80 is rotatably coupled to the center of the body of the tongs 20 to be positioned outside of one end of the tongs 20 coupled to the mounting plate 10.

On the other hand, one end of the wire 90 is fixed to the working vehicle and the other end is wound around the moving roller 40 and connected to the wire drum of the working vehicle via the fixed roller 60 to be pulled by the rotation of the motor of the wire drum. Will be released.

That is, as shown in FIG. 3, when the wire 90 is loosened and the moving roller bracket 30 and the mounting plate 10 are lowered, the tongs (by the own load of the moving roller bracket 30 and the mounting plate 10) are removed. 20) is pushed outward to rotate about the one end rotatably coupled to the mounting plate 10.

As described above, when the wire 90 is pulled by the motor of the wire drum in the state where the tongs 20 are opened, the moving roller bracket 30 and the mounting plate 10 are lifted and the tongs 20 are mounted. With the end of the tongs 20 pivoted down to the center with one end pivotally coupled to the plate 10, the end of each of the tongs 20 is brought into contact with each other to grasp the object.

Therefore, by repeatedly releasing and pulling the wire 90, the tongs 20 will be able to move by holding the object.

On the other hand, the number of the moving roller 40 of the moving roller bracket 30 is provided, the fixed roller 60 of the fixed roller bracket 50 is provided with a smaller number than the moving roller 40 is the wire 90 has a pulley structure in which the other end is wound around the moving roller 41 in a state where one end is fixed, and then wound around the moving rollers 42, 43, and 44 through the fixed rollers 61, 62, and 63. To do that.

In the present invention, the moving roller 40 includes first, second, third and fourth moving rollers 41, 42, 43 and 44, and the fixed roller 60 includes first, second and third fixed rollers 61, 62, 63).

That is, as shown in FIG. 4, the wire 90 having one end fixed thereto is wound on the lower end of the first moving roller 41, and then over the top of the first fixed roller 61. After being wound to the bottom of 42, the upper part of the second fixed roller 62 is rolled up again to the lower part of the third moving roller 43, and then to the upper part of the third fixed roller 63, and finally to the fourth movement. After being wound to the lower portion of the roller 44 is guided to the second guide roller 73 of the fixed plate 70 is connected to the wire drum of the work vehicle.

Therefore, as described above, the fixed roller 60 and the moving roller 40 have a compound pulley structure in which a fixed pulley and a moving pulley are combined to pull the wire 90 to move the moving roller bracket 30 and the mounting plate 10. By lifting force to grip the object with the tongs 20 to minimize the load on the motor.

Meanwhile, the moving roller 40 and the fixed roller 60 are installed to be inclined at a predetermined angle in a direction in which the wire 90 is wound, as shown in FIGS. 5 to 6, to unwind the wire 90 and pull the tongs. When operating the (20) to prevent the wire 90 is separated from the moving roller 40 and the fixed roller (60).

That is, as described above, since the moving roller 40 and the fixed roller 60 are provided with a plurality of wires 90, the wires 90 are crossed and wound so that the wires 90 are pulled and pulled to operate the tongs 20. There is a problem that the wire 90 is separated from the fixed roller 60 and the moving roller 40 by the interference of the wire 90 and the tension of the cross.

Therefore, as shown in FIGS. 4 and 5, the movable roller 40 and the fixed roller 60 are installed to be inclined in a direction crossing each other at a predetermined angle in a direction in which the wire 90 is wound to increase the tension of the wire 90. Even if the forceps 20 are repeatedly operated by dispersing and minimizing the interference generated during the operation, the wire 90 can be prevented from being separated from the moving roller 40 and the fixed roller 60 while pulling.

In the present invention, the moving roller 40 is installed at an inclination of 45 degrees in the direction in which the wire 90 is wound, and the fixed roller 60 is installed at an inclination of 30 degrees, but the moving roller 40 and the fixed roller ( 60 may be installed to be inclined at any angle that the wire 90 is not separated from the moving roller 40 and the fixed roller 60 during operation, which is included in the configuration of the present invention.

According to the structure of the present invention, since the forceps of the grapple holding the object is operated by the loosening and pulling of the wire, only the power consumption of the motor that rotates the wire drum of the working vehicle such as a crane or a hoist on which the grapple is mounted is generated. And there is no separate power consumption, which can reduce the cost and cost.

In addition, since the forceps are operated by a simple operation of winding and releasing the wire, it is possible to reduce the occurrence of a malfunction than when the conventional hydraulic cylinder is mounted, and to easily solve the problem in the case of malfunction, thereby increasing the convenience in operation.

Therefore, it is a very useful design that is excellent in workability and economic efficiency.

Claims (3)

A mounting plate 10 formed by extending the forceps engaging portion 11 radially from the center of the body; One end is coupled to each of the forceps engaging portion 11 of the mounting plate 10 so as to be rotatable, the forceps 20 formed so that the body is bent toward the inside to grip the object to the end; A moving roller bracket 30 fixed to the mounting plate 10 and having a moving roller 40 rotatably coupled thereto; A fixed roller bracket (50) installed at a predetermined distance to an upper portion of the moving roller bracket (30), and fixed to the fixed roller (60) rotatably coupled thereto; The hinge plate 71 is formed to extend radially to correspond to the forceps coupling portion 11 of the mounting plate 10, the fixed roller bracket 50 is installed to fix the position and the fixed plate 70 ; An actuating rod (80) having one end hinged to the body of the forceps (20) and the other end rotatably coupled to the hinge portion (71) of the fixing plate (70); One end of the grapple, characterized in that the other end is composed of a wire (90) wound around the fixed roller 60 is wound around the moving roller (40). The number of the moving roller 40 of the moving roller bracket 30 is provided, the fixed roller 60 of the fixed roller bracket 50 is one less than the moving roller 40 The wire 90 is wound on one end of the wire 90 while the other end is wound on the moving roller 41, and then is wound on the other moving rollers 42, 43, and 44 through the fixed rollers 61, 62, and 63. The grapple which has a losing pulley structure. The grapple according to any one of claims 1 to 3, wherein the moving roller (40) and the fixed roller (60) are inclined in a direction crossing each other in a direction in which the wire (90) is wound. .