WO2013141531A1

WO2013141531A1 - Chisel assembly having multiple chisel bars for breaker

Info

Publication number: WO2013141531A1
Application number: PCT/KR2013/002153
Authority: WO
Inventors: 윤영덕
Original assignee: Yoon Young Dug
Priority date: 2012-03-19
Filing date: 2013-03-18
Publication date: 2013-09-26
Also published as: JP6096275B2; CN104334816A; KR101193806B1; JP2015510846A

Abstract

The present invention relates to a chisel assembly having multiple chisel bars for a breaker. To this end, the breaker comprises: a back head provided with a gas chamber; a cylinder which is connected to the lower part of the back head and has an embedded piston that is elevated by oil pressure; and a front head which is connected to the lower part of the cylinder and has an embedded chisel assembly that crushes bedrock by the striking of the piston, wherein the chisel assembly comprises: a chisel body having a stopper pin coupled to the outer surface thereof such that the chisel body can be returned upwards after the striking of the piston; and multiple chisel bars which are coupled to the chisel body and are exposed to the lower part of the front head.

Description

Chisel assembly for breakers with multiple chisel rods

The present invention relates to a chisel assembly for a breaker having a plurality of chisel rods, and more particularly, when a rock or concrete structure is broken, a plurality of chisel rods secure a large number of surfaces of the rock or concrete structure and the rock is splashed and The present invention relates to a chisel assembly for a breaker having a plurality of chisel rods to prevent slipping and to crush the rock or concrete structure at one time.

Generally, when crushing a concrete structure or rock, a blasting method or a crushing method is mainly used. However, the blasting method is a costly and dangerous method of crushing using a breaker.

The breaker (Hydraulic Breaker) is widely used for crushing concrete or rock by mounting on construction equipment (Excavator), a loader (Loader) and the like. At this time, the chisel rod, which is a crushing tool, strikes the piston while lifting the piston by the hydraulic force of the cylinder to crush the concrete and the rock by the striking force.

As such, the breaker transmits the impact energy to the object by the reciprocating motion of the chisel rod to crush the object to be hit.

Therefore, in the case of a chisel rod that strikes the object directly, it is often necessary to replace. Accordingly, in order to replace a worn or broken chisel, there was a need to dismantle the main body.

In addition, the conventional breaker is provided with only a single chisel bar, when breaking a rock or concrete structure through a single chisel bar, the disadvantage of having to crush a rock or concrete structure several times in order to crush the rock to a desired size There is this.

In addition, if the surface is slippery or the surface is inclined, the end of the chisel rod of the breaker is not easily broken by the end of the breaker, and the rock is splashed to the side, thereby preventing the risk of safety accidents at all times.

The present invention has been made in view of the above problems, the first object of the present invention, when crushing rock or concrete structure to secure a large number of the surface of the rock or concrete structure with a plurality of chisel rods and rock splashing and chisel SUMMARY OF THE INVENTION An object of the present invention is to provide a chisel assembly for a breaker having a plurality of chisel rods to prevent the rod from slipping and to crush the rock or concrete structure at a time.

The second object of the present invention is a breaker having a plurality of chisel rods that can be used to replace the chisel rods damaged when the chisel rods are replaced, as well as to replace the chisel rods used in general hand rock drills, thereby reducing the cost. To provide a chisel assembly.

It is a third object of the present invention to provide a chisel assembly for a breaker having a plurality of chisel rods by coupling a plurality of chisel rods to a chisel body and dispersing the impact force on a rock or concrete structure, thereby extending the life of the chisel rods. have.

The present invention according to a feature of the present invention for achieving the above object, the first invention relates to a chisel assembly for a breaker having a plurality of chisel rods, the back head is provided with a gas chamber for this, and the bag A breaker comprising a cylinder having a piston connected to a lower part of the head and lifting up by hydraulic pressure, and a front head having a chisel assembly connected to a lower part of the cylinder to crush a rock by the impact of the piston, wherein the chisel assembly is provided. Is composed of a chisel body coupled to the stopper pin on the outer circumferential surface to return upward after hitting the piston, and a plurality of chisel rods coupled to the chisel body exposed to the lower portion of the front head, the chisel rod is disposed in the center of the chisel body And a chisel blade rod having a diameter relatively smaller than that of the chisel blade rod, That consists of a number of security measures jeulbong features.

The second invention, in the first invention, the chisel body further comprises a through hole vertically formed so as to couple a plurality of chisel rods, the inside of each through hole a chisel head formed on the top of the chisel rod It is preferable that the stepped portion is formed to prevent the detachment of the chisel rod.

The third invention, in the second invention, the chisel body further comprises a plurality of vertical through-holes to penetrate the chisel blade and the auxiliary chisel rod, the inside of each of the through the chisel blade and the auxiliary chisel It is preferable to step the chisel head formed on the top of the rod to form a step for preventing separation of the chisel rod.

In the fourth invention, in the first invention, the length of the auxiliary chisel rod is preferably configured to be relatively shorter than the main chisel rod.

In the fifth invention, in the first invention, it is preferable that the length of the main chisel rod is relatively shorter than that of the auxiliary chisel rod.

The sixth invention, in the first invention, the chisel chisel rod is integrally formed in the lower portion of the chisel body, the chisel body further comprises a plurality of vertical through holes to penetrate the auxiliary chisel rod, It is preferable that a stepped jaw is formed in the through hole to prevent the chisel head from being separated by mounting the chisel head formed at the upper end of the auxiliary chisel rod.

The chisel assembly for a breaker having a plurality of chisel rods according to the present invention secures a large number of surfaces of the rock or concrete structure with a plurality of chisel rods when crushing the rock or concrete structure, and prevents the rock from splashing and slipping of the chisel rod. The rock or concrete structure can be crushed at a time to reduce the operating cost.

In addition, when the damaged chisel rods are replaced, not only the chisel rods can be replaced, but also the chisel rods used in general hand rock drills can be used to reduce costs.

In addition, by combining a plurality of chisel rods to the chisel body to distribute the impact force on the rock or concrete structure, there is an effect that can extend the life of the chisel rods.

1 is a perspective view of a breaker combined with a chisel assembly for a breaker having a plurality of chisel rods according to a first embodiment of the present invention;

2 is a partial cross-sectional view of FIG.

3 is an exploded perspective view of a breaker chisel assembly having a plurality of chisel rods separated from the breaker of FIG.

4 is a partial cross-sectional view of a breaker to which a chisel assembly for a breaker having a plurality of chisel rods is coupled according to a second embodiment of the present invention;

5 is a partial cross-sectional view of a breaker in which a chisel assembly for a breaker having a plurality of chisel rods according to FIG. 4 is coupled.

6 is a partial cross-sectional view of a breaker to which a chisel assembly for a breaker having a plurality of chisel rods is coupled according to a third embodiment of the present invention.

Hereinafter, a breaker chisel assembly having a plurality of chisel rods according to the present invention will be described in detail together with the accompanying drawings.

1 is a perspective view of a breaker in which a chisel assembly for a breaker having a plurality of chisel rods is coupled according to a first embodiment of the present invention, FIG. 2 is a partial cross-sectional view of FIG. 1, and FIG. 3 is separated from the breaker of FIG. 1. An exploded perspective view of a chisel assembly for a breaker having a plurality of chisel rods.

As shown in Figures 1 to 3, the present invention to secure a large number of the surface of the rock or concrete structure with a plurality of chisel rods when crushing the rock or concrete structure to prevent the rock from splashing and sliding of the chisel bar, and also rock Or it relates to a breaker chisel assembly 100 having a plurality of chisel rods to crush the concrete structure at a time.

Prior to describing the present invention, the present invention is a structure that is embedded in the front head 230 of the breaker 200.

The breaker 200 has a back head 210 in which a gas chamber is provided, a cylinder 220 having a piston 221 connected to a lower portion of the back head 210 to be elevated by hydraulic pressure, and the cylinder ( It is connected to the lower portion of the 220 is composed of a front head 230, a built-in chisel assembly 100 for crushing the rock and concrete structure by the impact of the piston 221.

This configuration is such that when the piston 221 in the cylinder 220 rises due to the oil pressure drawn in and out through the cylinder 220, the gas filled in the gas chamber of the back head 210 is compressed to expand the piston 221. ) Descends to hit the chisel assembly (100). As a result, the chisel rod 120 coupled to the chisel assembly 100 is configured to fracture the rock or concrete structure.

Here, the breaker chisel assembly 100 having a plurality of chisel rods according to the present invention is composed of two parts, which is a stopper pin 114 on the outer circumferential surface to return upward by the pressing pressure after the piston 221 is hit. Combining the chisel body 110, and a plurality of chisel rods 120 are coupled to the chisel body 110 exposed to the lower portion of the front head 230.

The chisel body 110 is the upper end is disposed in the striking chamber 231 formed in the front head 230 is in contact with the lower end of the piston 221 in the cylinder 220. Through this, the piston descends by hitting the 221 and is configured to fracture the rock or concrete structure.

In addition, the chisel body 110 is formed with a guide groove 113 on the outer peripheral surface. The guide groove 113 has a stopper pin 114 fixed to the front head 230 so that the chisel body 110 can be moved downward by the length of the guide groove 113 by the impact of the piston 221. do.

In addition, the chisel rod 120 is coupled to the plurality of chisel body 110 is exposed to the lower portion of the front head 230 is configured to fracture the rock or concrete structure.

In this case, a plurality of through holes 111 are vertically formed in the chisel body 110 so as to couple the plurality of chisel rods 120. Here, each of the through holes 111 has a stepped portion 112 formed therein to prevent the chisel rod 120 from being separated by mounting the chisel head H formed at the upper end of the chisel rod 120.

The above structure exposes the chisel head (H) to the top of the chisel body 110 so that the chisel body 110 and the plurality of chisel rods 120 are hit by the piston 221 hitting the rock or concrete structure It is a structure that can be shredded.

In addition, the plurality of chisel rods 120 described above is configured to replace only the chisel rod 120 when one is worn or damaged.

In addition, each chisel rod 120 has a diameter that can be replaced with a chisel rod used in the hand rock drill can increase the mutual compatibility with the hand rock drill.

In addition, the configuration of the first embodiment is a structure that can extend the life of each chisel rod 120 by using a plurality of chisel rods 120, it is possible to distribute the striking force to the rock or concrete structure.

4 is a cross-sectional view of a breaker having a chisel assembly for a breaker having a plurality of chisel rods according to a second embodiment of the present invention, Figure 5 is a chisel assembly for a breaker having a plurality of chisel rods of another example according to FIG. Is a partial cross-sectional view of a breaker to which is coupled.

First, as shown in FIG. 4, the second embodiment includes the first embodiment, but the chisel rod 120 includes a chisel blade 121 disposed at the center of the chisel body 110 and the chisel blade ( 121) is composed of a plurality of auxiliary chisel rods 122 having a relatively smaller diameter and disposed around the main chisel rod 121.

The chisel body 110 further includes a plurality of vertical through-holes 111 to allow the chisel chisel rod 121 and the auxiliary chisel rod 122 to penetrate therein. Steps 112 are formed to mount the chisel head H formed on the upper ends of the chisel chisel rod 121 and the auxiliary chisel rod 122 to prevent separation.

This structure is similar to the first embodiment by exposing the chisel head (H) to the upper end of the chisel body 110, a plurality of auxiliary chisel rods 122, such as the chisel body 110 by the impact of the piston 221. And the single chisel jjibong 121 is configured to be hit continuously. In addition, the second embodiment also allows the

chisel rods

121 and 122 to be replaced individually when the auxiliary chisel rod 122 and the chisel chisel rod 121 are worn or damaged.

In addition, in the second embodiment, the length of the auxiliary chisel rod 122 exposed to the lower portion of the front head 230 is relatively shorter than that of the main chisel rod 121.

This structure is a structure that allows the primary crushing rock or concrete structure first through the large diameter chisel chisel 121, and secondary secondary crushing of the rock or concrete structure through the secondary chisel rod 122 second. . This allows the rock or concrete structure to be shredded to the desired size in one operation.

Meanwhile, in addition to the chisel assembly 100 for a breaker having a plurality of chisel rods according to the present invention, the length of the chisel chisel rod 121 and the auxiliary chisel rod 122 may be the same as in FIG. Also, as shown in (b) of FIG. 5, the length of the chisel chisel rod 121 may be configured to be relatively shorter than the auxiliary chisel rod 122.

As shown in FIG. 6, the third embodiment includes the second embodiment, except that the chisel blade 121 extends integrally under the chisel body 110.

The auxiliary chisel rod 122 is a configuration in which the chisel head (H) is mounted on the stepped portion formed inside the chisel body 110 as in the second embodiment.

This structure is a structure in which only the chisel chisel rods 121 having relatively little damage is integrated with the chisel body 110, thereby simplifying the configuration of the chisel assembly 100 and easily assembling.

As described above, the breaker chisel assembly having a plurality of chisel rods according to the present invention can be configured to integrate the chisel chisel rod and the auxiliary chisel rod with the chisel body.

In addition, the present invention can be applied to the hand rock drill can be used, in addition to the hydraulic pressure can also be used for pneumatic.

As described above, the rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and various modifications and adaptations are made within the scope of the rights described in the claims by those skilled in the art. It is self evident.

Claims

A back head provided with a gas chamber, a cylinder connected to a lower part of the back head to lift up and down by hydraulic pressure, and a chisel assembly connected to a lower part of the cylinder to crush a rock and a concrete structure by the impact of the piston. In the breaker with a built-in fronthead,

The chisel assembly is composed of a chisel body coupled to the stopper pin on the outer circumferential surface so as to return upward after hitting the piston, and a plurality of chisel rods coupled to the chisel body exposed to the lower portion of the front head,

The chisel rod is a breaker having a plurality of chisel rods, characterized in that composed of a chisel chisel rod disposed in the center of the chisel body, and a plurality of auxiliary chisel rods having a relatively smaller diameter than the chisel chisel rod is arranged around the chisel Dragon Chisel Assembly.
The method of claim 1,

The chisel body further includes a through-hole vertically formed to couple a plurality of chisel rods,

The inside of each through hole is a chisel assembly having a plurality of chisel rods characterized in that the stepped to prevent the separation of the chisel rod by mounting a chisel head formed on the top of the chisel rod.
The method of claim 2,

The chisel body further includes a plurality of vertical through-holes for penetrating the main chisel rod and the auxiliary chisel rod,

Breaker chisel assembly having a plurality of chisel rods, characterized in that the stepped to prevent the separation of each chisel rod by mounting a chisel head formed on the top of the chisel chisel rod and the auxiliary chisel rod inside the through holes.
The method of claim 1,

The length of the auxiliary chisel rod is a chisel assembly for a breaker having a plurality of chisel rods, characterized in that the configuration is relatively shorter than the chisel.
The method of claim 1,

The length of the chisel chisel rod is a chisel assembly for a breaker having a plurality of chisel rods, characterized in that consisting of a relatively shorter than the auxiliary chisel rod.
The method of claim 1,

The chisel jjibong is configured to extend integrally to the lower portion of the chisel body,

The chisel body further includes a plurality of vertical through holes to penetrate the auxiliary chisel rod,

Breaker chisel assembly having a plurality of chisel rods, characterized in that the stepped to prevent the separation of the auxiliary chisel rod by mounting the chisel head formed on the upper end of the auxiliary chisel rod in each of the through holes.