KR20110034357A

KR20110034357A - Jig for oil pressure pump in crop shear

Info

Publication number: KR20110034357A
Application number: KR1020090091864A
Authority: KR
Inventors: 임영근
Original assignee: 현대제철 주식회사
Priority date: 2009-09-28
Filing date: 2009-09-28
Publication date: 2011-04-05

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jig for a hydraulic pump of a cutter, and more particularly, to a jig for a hydraulic pump of a cutter capable of performing a precise lifting operation and having a narrow working radius to prevent a safety accident.

The present invention provides a jig for a hydraulic pump of a cutter including a support disposed around the hydraulic chamber, a leg installed on the support, a mount installed to be movable on the support, and a chain block installed on the mount and lifting the hydraulic pump. to provide.

Description

Jig for Hydraulic Pump of Cutting Machine {JIG FOR OIL PRESSURE PUMP IN CROP SHEAR}

General steel production consists of a steelmaking process for producing molten iron, a steelmaking process for removing impurities from molten iron, a regeneration process in which iron in a liquid state becomes a solid, and a rolling process in which iron is made of steel or wire.

The process of making pig iron, the first step in the process of making steel from iron ore, is called steelmaking and steelmaking, and the process of making steel from pig iron is called steelmaking.

The casting process is a process of injecting molten iron in a mold into a mold, then passing it through a continuous casting machine, cooling, and solidifying it to continuously form an intermediate material such as slab or bloom.

In this process, the bloom is again processed into a billet (Billet) through a rolling mill, and then processed into a wire rod through a wire mill.

In addition, the slab is made of a hot rolled coil or a hot rolled steel sheet while being produced in a thick plate through a thick plate rolling mill or through a hot rolling mill.

Between the rolling mills, cutters are provided for cutting work objects introduced into the rolling mill, that is, the front end and the rear end of the scrap.

The cutter is driven by a hydraulic cylinder, and a hydraulic pump for supplying hydraulic pressure to the hydraulic cylinder is installed.

The technical structure described above is a background technique for assisting the understanding of the present invention, and does not mean the prior art widely known in the technical field to which the present invention belongs.

Since the hydraulic pump for cutting machines according to the prior art is a large device, the assembly or dismantling work is carried out in a state supported by a large lifting device such as a ceiling crane. The ceiling crane is difficult to precisely operate, and wires are extended to the hydraulic pump. Since the length of the hydraulic pump is greater than a predetermined value at the moment the hydraulic pump is separated large flow along the long wire there is a problem that can cause a safety accident.

Therefore, there is a need for improvement.

An object of the present invention is to provide a jig for a hydraulic pump of a cutter that can perform a precise lifting operation, a narrow working radius can prevent a safety accident.

The present invention, in order to achieve the above object, the support is disposed around the hydraulic chamber; A leg installed on the support; A cradle mounted to the support to be movable; And it is provided on the cradle and provides a jig for the hydraulic pump of the cutter comprising a chain block for lifting the hydraulic pump.

In addition, the support of the present invention, the insertion support is formed and the first support is formed a portion of the leg; And a second support having an insertion groove formed to slidably insert the insertion protrusion and having the rest of the leg formed therein.

In addition, the first support of the present invention is characterized in that a plurality of mounting grooves are formed to selectively mount the holder.

In addition, the second support of the present invention is characterized in that a plurality of mounting grooves are formed to selectively mount the holder.

In addition, the leg of the present invention is characterized in that the indentation groove is formed and the auxiliary leg is slidably inserted into the indentation groove.

The jig for the hydraulic pump of the cutter according to the present invention can arrange the chain block for elevating the hydraulic pump adjacent to the hydraulic pump, so that the operator can directly operate the chain block to perform a precise lifting operation suitable for assembling or dismantling the hydraulic pump. And the radius of the hydraulic pump flowing along the chain at the moment the hydraulic pump is separated is limited to the inside of the support has the advantage of preventing a safety accident.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a jig for a hydraulic pump of a cutter according to the present invention.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view showing a jig for a hydraulic pump of a cutter according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a jig for a hydraulic pump of a cutter according to an embodiment of the present invention.

1 and 2, the jig for the hydraulic pump of the cutter according to an embodiment of the present invention is the support 30 is disposed around the hydraulic chamber 10, the leg 50 is installed in the support 30 And, the cradle 70 is installed to be movable on the support 30, and the chain block 80 is installed on the cradle 70 to lift the hydraulic pump 12.

When the hydraulic pump 12 is installed in the hydraulic chamber 10 of the cutter or when the hydraulic pump 12 is separated from the hydraulic chamber 10, the support 30 and the leg 50 are surrounded to surround the hydraulic chamber 10. After installing the holder 70 in a suitable position of the support 30 so that the chain block 80 is opposed to the hydraulic pump 12, the chain block 80 and the hydraulic pump 12 are connected to the hydraulic pump ( 12) will be installed or removed.

At this time, since the holder 70 is installed to be adjacent to the hydraulic pump 12, the length of the chain 82 extending from the chain block 80 and connected to the hydraulic pump 12 is shortened to a predetermined value or less.

Therefore, the operator can operate the chain block 80 while checking the position of the hydraulic pump 12 with the naked eye to perform a precise lifting operation, and the chain 82 when the hydraulic pump 12 is separated from the hydraulic chamber 10. Since the flow radius of the hydraulic pump 12 flowing along is relatively small it is possible to prevent a safety accident.

The support 30 has a first support 32 in which a part of the leg 50 is formed and an insertion protrusion 32a is formed, and an insertion groove in which the insertion protrusion 32a is slidably fitted. 34a is formed and includes a second support 34 on which the remaining legs 50 are formed among the plurality of legs 50.

The first support 32 and the second support 34 is formed in a planar shape of the 'c' shape, the insertion end 32a is formed at the end of the first support 32, the second support 34 At the end, an insertion groove portion 34a into which the insertion protrusion 32a is slidably fitted is formed.

In addition, a plurality of fastening hole portions 32b are continuously formed at the predetermined intervals in the insertion protrusion 32a, and a plurality of passing hole portions 34b are continuously formed at the constant intervals in the insertion groove portion 34a.

Therefore, after inserting the insertion protrusion 32a into the insertion groove 34a so that the fastening hole 32b and the through hole 34b are disposed at the same position, the fastening member 32b and the through hole 34b are inserted into the fastening member 32b. Combination of the first support 32 and the second support 34 is made.

The combined support 30 is formed in a shape that surrounds the periphery of the hydraulic chamber 10 because it forms a 'ㅁ' shape, and the degree of insertion protrusion 32a is varied depending on the size of the hydraulic chamber 10. The size of the support 30 can be adjusted.

In addition, since the first support 32 and the second support 34 are formed with a plurality of mounting grooves 36 in which the mounting brackets 70 are selectively seated, the mounting brackets 70 are seated on the appropriate mounting grooves 36 so that the chain The block 80 is disposed opposite the hydraulic pump 12.

The leg 50 has a recessed groove 52 formed therein, and the auxiliary leg 54 is slidably inserted into the recessed groove 52.

In addition, since the coupling hole 54a is formed at the side of the auxiliary leg 54, and the through hole 52a is formed at the side of the recess 52, the auxiliary leg 54 is formed so that the height of the support 30 is appropriate. When the fastening member is inserted into the coupling hole part 54a and the through hole part 52a after being inserted into the recessing part 52, the leg 50 and the auxiliary leg 54 are engaged.

Here, the chain block 80 is a thing that can be easily implemented by those skilled in the art aware of the technical configuration of the present invention will be omitted the specific drawings and description.

Looking at the operation of the hydraulic pump jig of the cutter according to an embodiment of the present invention configured as described above are as follows.

When installing or removing the hydraulic pump 12 in the hydraulic chamber 10 of the cutter, the first support 32 and the second support 34 are disposed around the hydraulic chamber 10 to insert the first support 32. Inserting the projection (32a) into the insertion groove portion (34a) of the second support 34 to adjust the size of the support 30, and when the adjustment of the size of the support 30 is completed, the fastening hole 32b and the passage hole 34b Insert the fastening member into the) to complete the coupling of the first support 32 and the second support (34).

Subsequently, the height of the support 30 is adjusted while the auxiliary leg 54 is projected out of the recess 52 of the leg 50, and when the height of the support 30 is determined, the through-hole 52a and the coupling hole part ( Insert the fastening member in 54a) to complete the height adjustment of the support (30).

When the installation of the support 30 is completed in this way, the chain block 80 is mounted on the supporter 70 on which the support block 30 is installed. By adjusting the position of the supporter 70, the chain block 80 is a hydraulic pump 12. To be opposed to, the mounting bracket 70 is seated in any one of the plurality of mounting grooves 36 formed in the support 30 to complete the positioning of the chain block 80.

When the installation of the chain block 80 is completed in this way, after the engaging ring 84 installed at the end of the chain 82 is coupled to the hydraulic pump 12, the installation of the hydraulic pump 12 while winding or unwinding the chain 82 is performed. Work or separation work.

As described above, the chain block 80 is disposed adjacent to the hydraulic pump 12 by the support 30, the cradle 70, and the leg 50, so that the operator checks the position of the hydraulic pump 12 and the chain block. 80 may be operated, and even if the hydraulic pump 12 is suddenly discharged from the hydraulic chamber 10, the radius of the hydraulic pump 12 flowing along the chain 82 is small, thereby preventing safety accidents. .

As a result, it is possible to provide a jig for the hydraulic pump of the cutter, which can perform a precise lifting operation, and a narrow working radius to prevent a safety accident.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, the jig for the hydraulic pump of the cutter has been described as an example, but this is merely illustrative, and the jig of the present invention may be used in other products other than the hydraulic pump of the cutter.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

1 is a perspective view showing a jig for a hydraulic pump of a cutter according to an embodiment of the present invention.

Figure 2 is an exploded perspective view showing a jig for the hydraulic pump of the cutter according to an embodiment of the present invention.

10: hydraulic chamber 12: hydraulic pump

30: support 32: first support

34: second support 36: mounting groove

50: leg 54: secondary leg

70: cradle 80: chain block

Claims

A support disposed around the hydraulic chamber;

A leg installed on the support;

A cradle mounted to the support to be movable; And

Jig for the hydraulic pump of the cutter, characterized in that it comprises a chain block installed on the cradle to lift the hydraulic pump.

The method of claim 1, wherein the support,

A first supporter on which an insertion protrusion is formed and a portion of the leg is formed; And

Jig for a hydraulic pump of the cutter, characterized in that the insertion groove is formed so that the insertion projection is slidably inserted and the second support is formed the rest of the leg.

The method of claim 2,

The jig for the hydraulic pump of the cutter, characterized in that the first support is formed with a plurality of mounting grooves for selectively mounting the mount.

The method of claim 2,

The jig for the hydraulic pump of the cutter, characterized in that the second support is formed with a plurality of mounting grooves for selectively mounting the mount.

The method according to any one of claims 1 to 4,

The jig for the hydraulic pump of the cutter, characterized in that the inlet groove is formed in the leg and the auxiliary leg is slidably inserted into the inlet groove.