JPH0826653A - Magnet type loader - Google Patents

Abstract

PURPOSE:To enhance the safety of works and operating efficiency by arranging a feeder cable which feeds electricity to a magnet fixture, and is flexible, to a route arriving at the inside of a support shaft by way of the inside of a connection shaft from the inside of the connection shaft. CONSTITUTION:A flexible feeder cable 19 is connected to a feeder section which is set for an upper revolving instrument along the side surface of a bucket arm 5 from the electric intake section 21 of a magnet fixture 8 by way of the detachable relay section of the bucket arm 5, and the aforesaid feeder cable between the tip end section of the bucket arm 5 and the electric intake section 21 is arranged to a route R which arrives at the inside of a support shaft 15 by way of the inside of a connection shaft 18 from the inside of a connection shaft 17. Therefore, there is no fear that any operation interferes with the respective rotary actions of the magnet fixture 8, a connection link 16, and a support link 14, and the feeder cable 19 is protected against external force by the connection shaft 17, the connection link 16, the connection shaft 18 and the support shaft 15. By this constitution, the safety of works and operating efficiency can thereby be enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnet type loader used for disassembling and loading work materials such as steel raw material scraps.

[0002]

2. Description of the Related Art Conventionally, as this type of magnetic loader, as shown in Japanese Utility Model Publication No. 5-29254, there has been known an excavator-type excavator attachment provided with a magnet tool that can be excited and demagnetized. ing.

[0003]

However, in the case of the above-mentioned conventional structure, although the power feeding cable for feeding power to the magnet tool is properly fixed along the bucket arm, the magnet tool, the connecting link, and the support link are linked. Since it rotates, it is in a free state between the bucket arm and the magnet tool, so that the material to be processed and other peripheral members are entangled with the power supply cable during disassembly and loading of the material to be processed. However, there is a risk that the boom may be pulled by the operation of the boom and a cutting accident or damage due to a collision may occur, and the work efficiency is reduced accordingly.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve such an inconvenience, and its gist is to dispose an upper turning machine body on a lower traveling machine body so that the upper turning machine body can turn freely. A boom is arranged so as to be able to move up and down, a base of a bucket arm is rotatably arranged on the boom by an arm cylinder, and the base of the bucket cylinder is pivotally connected to the base of the bucket arm and the bucket arm is connected. The base of the magnet tool is rotatably connected to the tip of the magnet by a fulcrum shaft, the base of the support link is rotatably connected to the tip of the bucket arm by the support shaft, and is connected to the upper part of the magnet. One end of the one is pivotally connected by a connecting shaft,
A flexible feeding cable for feeding power to the magnet device is formed by connecting and connecting the tip end of the support link and the rod portion of the bucket cylinder to the other end of the connecting link by a connecting shaft. A magnet-type loader characterized by being arranged in a path from the inside to the inside of a support shaft via the inside of a connection shaft.

In this case, the magnet member is provided with a cover member for protecting the power supply cable extending from the magnet tool to the inside of the connecting shaft, or the power supply cable reaching the inside of the support shaft via the inside of the connecting shaft. It is desirable that the connecting link be provided with a cover member that protects the connection link.

[0006]

The flexible power supply cable for supplying power to the magnet tool is arranged in the path from the inside of the connecting shaft to the inside of the support shaft via the inside of the connecting shaft. Also, there is no risk of interfering with the rotational movement of each of the connection link and the support link, and the power supply cable is protected from external force by the connection shaft, the connection link, the connection shaft, the support link, and the support shaft.

Further, the respective cover members protect the power supply cable between the magnet member and the inside of the connecting shaft and the inside of the connecting shaft and the inside of the support shaft.

[0008]

1 to 8 show an embodiment of the present invention, in which 1 is an excavator excavator, in which an upper slewing machine body 3 is rotatably disposed on a crawler type lower traveling machine body 2. Become.

The base of the boom 4 is supported on the upper swing body 3 by a holding shaft 4a so that the boom can be raised and lowered. The base of the bucket arm 5 is rotatably supported on the tip of the boom 4 by the arm shaft 5a. A boom cylinder 6 is provided so as to be able to move up and down, and a bucket arm 5 is provided so as to be rotatable by an arm cylinder 7.

Reference numeral 8 denotes a magnet tool, which is a magnetic attraction surface 8 which can be excited and demagnetized by energizing a disk-shaped holding member 9.
The magnet body 10 having a is provided, and the claw member 11 is provided at the tip of the holding member 9.

Then, the base of the bucket cylinder 12 on the head side is attached to the base of the bucket arm 5 by a holding shaft 12a.
And a pair of left and right support plates 8b projecting from the base of the magnet tool 8 on both side surfaces of the tip of the bucket arm 5 are rotatably connected by a fulcrum shaft 13. The base portions of the pair of left and right support links 14 are rotatably connected to both side surfaces by a support shaft 15, and one end portion of the connection link 16 is connected between the pair of support plates 8b above the magnet tool 8 by the connection shaft 17. It is pivotally connected, and the other end of the connecting link 16 is connected and connected by the connecting shaft 18 to the tip end of the support link 14 and the rod portion 12b of the bucket cylinder 12.

Reference numeral 19 denotes a power feeding cable, which is a power feeding portion 20 disposed on the upper swing body 3 and the magnet tool 8.
Is connected via a detachable relay 22 to the electric intake part 21 of the above, and a plurality of electric cords having flexibility are internally provided in a bundle, and the magnet 8 is supplied with electric power necessary for excitation. To do.

The power supply cable 19 is fixed to the power supply part 20 by the detachable relay part 22 along the side surface of the bucket arm 5 from the electric intake part 21 of the magnet tool 8 and is connected to the power supply part 20. From the tip to the electricity intake 1
7 is disposed in a path R from the inside of the connecting shaft 17 to the inside of the support shaft 15 via the inside of the connecting shaft 18.

A cover member 23 for protecting the power supply cable 19 extending from the magnet member 8 to the inside of the connecting shaft 17 is provided.
Is provided in the magnet tool 8, and a power supply cable 19 that reaches the inside of the support shaft 15 via the inside of the connection shaft 18
A cover member 24 for protecting the above is attached to the lower surface of the connecting link 16, and a cover plate 25 is attached to the side end surface of the support shaft 15.

In this case, a fulcrum shaft 26 parallel to the fulcrum shaft 13 is provided side by side at the tip of the bucket arm 5.
A holding arm 27 is rotatably pivotally attached to the fulcrum shaft 26, and the head side of the holding cylinder 28 is supported on the back side of the bucket arm 5, and the link members 29, 30 are provided at the tip of the rod 28a of the holding cylinder 28. Are connected by a connecting pin 31, one link member 29 is connected to a connecting pin 32 that is provided in the middle of the holding arm 27, and the other link member 3 is connected.
The leading end of 0 is connected to the bucket arm 5 by the connecting pin 33, and the holding cylinder 28 extends and contracts so that the holding arm 27 opposes the magnet tool 8 about the fulcrum shaft 26 and the back side of the bucket arm 5. It is configured to rotate between the retracted position and the retracted position so that the magnet tool 8 and the sandwiching arm 27 can be opened and closed independently of each other at the tip of the bucket arm 5.

Since this embodiment has the above-mentioned structure, for example, as pretreatment work, the magnet 8 is rotated around the fulcrum shaft 13 by the bucket cylinder 112, and the holding arm 27 is used as the fulcrum shaft by the holding cylinder 28. 26
The workpiece W is rotated by rotating the claw member 11 and the holding arm 27 in cooperation with the claw member 11 connected to the magnet tool 8.
Dismantling work, and the pretreatment work such as scraping the pile of the material W to be processed, scraping, etc. by one or both of the claw member 11 of the magnet tool 8 and the holding arm 27,
At this time, the traveling by the lower traveling machine body 2, the traveling of the upper traveling machine body 3, and the boom 4 by the boom cylinder 6 are performed as necessary.
The ascending / descending operation and the rotating operation of the bucket arm 5 by the arm cylinder 7 are appropriately combined.

When loading the material W to be processed, the magnetic attraction surface 8a of the magnet body 10 attached to the magnet tool 8 is brought into contact with the material W to be processed, and electricity is supplied through the power supply cable 19 to the magnet tool 8. The magnet body 10 is excited, the workpiece W is attracted by its magnetic attraction force, the workpiece W is attracted and conveyed to a predetermined position by the traveling operation of the lower swivel body 2, and the magnet body 10 is demagnetized at the carry-out position. Then, the materials W to be processed are unloaded, whereby the loading operation can be performed. In addition, as the loading work progresses, the workpiece W
When the shape of the peak is irregularly deformed, the pretreatment work is performed again to make the workpiece W easily adsorbed.

Further, at the time of this loading operation, the workpiece W adsorbed by the magnet body 10 is clamped by the magnet tool 8 and the magnet body 10 and the clamping arm 27, so that the clamping action and the magnet tool 8 are held. The material W to be processed can be held by both the magnetic attraction and the holding force, and the material W to be processed can be prevented from falling even if the magnetic attraction force of the magnet tool 8 is lost for some reason. Even the non-magnetic material W to which the magnetic attraction force of the tool 8 does not reach can be clamped by the clamping force of the magnet tool 8 and the clamping arm 27, and the processing capacity can be improved.

In particular, the power feeding cable 19 is fixed to the power feeding portion 20 by being attached and detached from the electricity intake portion 21 of the magnet tool 8 along the side surface of the bucket arm 5 by the detachable relay portion 22, and the tip end of the bucket arm 5 is connected. Part to electricity intake part 17
Is disposed in the path R from the inside of the connecting shaft 17 to the inside of the support shaft 15 via the inside of the connecting shaft 18, and therefore, as shown in FIGS. Also, there is no risk of interfering with the respective link rotation operations of the connecting link 16 and the support link 14, and the power supply cable 19 includes the connecting shaft 17, the connecting link 16, the connecting shaft 18, and the supporting link 14.
Also, the support shaft 15 protects the workpiece W from external forces, so that the workpiece W and other peripheral members are entangled with the power supply cable 19 during disassembling and loading of the workpiece W,
It is possible to suppress the occurrence of damage due to a cutting accident or a collision caused by being pulled by the operation of the boom 4 or the like, and it is possible to improve the safety of work and improve the work efficiency.

In addition, in this case, power is supplied by the cover members 23 and 24 from the magnet member 8 to the inside of the connecting shaft 17 and to the inside of the support shaft 15 via the inside of the connecting shaft 18. The cable 19 can be protected from external force, and the safety can be further enhanced.

The present invention is not limited to the above-mentioned embodiment, and the structures of the cover members 23 and 24 are appropriately modified and designed.

[0022]

As described above, according to the present invention, since the power feeding cable is arranged in the path from the inside of the connecting shaft to the inside of the supporting shaft via the inside of the connecting shaft, the magnet tool and the connecting member are connected. The power supply cable is protected from external force by the connecting shaft, the connecting link, the connecting shaft, the supporting link and the supporting shaft, and the dismantling of the material to be treated and the During loading work, etc., the material to be processed and other peripheral members are entangled in the power supply cable, and it is possible to prevent damage due to cutting accidents and collisions caused by being pulled by the operation of the boom, etc. The work efficiency can be improved as well as the work efficiency.

Further, a cover member for protecting the power supply cable extending from the magnet tool to the inside of the connecting shaft is provided on the magnet tool, or the power supply cable extending to the inside of the support shaft via the inside of the connection shaft is protected. Protecting the power supply cable from the external force between the magnet tool to the inside of the connecting shaft and the inside of the supporting shaft via the inside of the connecting shaft by providing a cover member to the connecting link. Can
The safety can be further enhanced.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of drawings]

FIG. 1 is an overall side view of an embodiment of the present invention.

FIG. 2 is a partial perspective view of the embodiment shown in FIG.

FIG. 3 is a partial plan view of the embodiment shown in FIG.

FIG. 4 is a partial side sectional view of the embodiment shown in FIG.

5 is a partial cross-sectional view of the embodiment shown in FIG.

6 is a partial cross-sectional view of the embodiment shown in FIG.

FIG. 7 is a partial side view of the embodiment shown in FIG. 1 in use.

FIG. 8 is a partial side view of the embodiment shown in FIG. 1 in use.

[Explanation of symbols]

 W Material to be processed R Path 2 Lower traveling machine body 3 Upper traveling machine body 4 Boom 5 Bucket arm 7 Boom cylinder 8 Magnet tool 12 Bucket cylinder 13 Support shaft 14 Support link 15 Support shaft 16 Connection link 17 Connection shaft 18 Connection shaft 19 Power supply Cable 23 cover member 24 cover member

Claims (3)

[Claims] 1. An upper slewing machine body is rotatably arranged on a lower traveling machine body, a boom is movably arranged on the upper slewing machine body, and a base of a bucket arm is rotatably mounted on the boom by an arm cylinder. The base of the bucket arm is pivotally connected to the base of the bucket arm, and the base of the magnet tool is rotatably connected to the tip of the bucket arm by a fulcrum shaft. The base portion of the support link is rotatably connected by a support shaft, one end of the connection link is pivotally connected to the upper part of the magnet tool by the connection shaft, and the other end of the connection link is supported by the connection shaft. A flexible power supply cable for connecting the tip of the link and the rod of the bucket cylinder is connected, and a flexible power supply cable for supplying power to the magnet tool is provided from the inside of the connecting shaft to the inside of the connecting shaft. Therefore, the magnet-type loader is characterized in that the magnet-type loader is arranged in a path leading to the inside of the support shaft. 2. The magnet type loader according to claim 1, wherein the magnet tool is provided with a cover member for protecting a power feeding cable extending from the magnet tool to the inside of the connecting shaft. 3. The magnet according to claim 1, wherein the connecting link is provided with a cover member that protects a power feeding cable that extends through the inside of the connection shaft to the inside of the support shaft. Loader.