KR101270866B1 - Vibration resistant apparatus for breaker - Google Patents

Abstract

The present invention relates to a vibration damper for a breaker that absorbs and buffers the vibration generated from the breaker to minimize the generation of noise.
Breaker dustproof apparatus according to the present invention is a piston is mounted therein, a plurality of long bolts are fastened and the chisel is mounted on the lower body, a dustproof hole is mounted to exert a buffer on the upper surface of the body, the body is inserted A breaker-proof dustproof device comprising a case, the dustproof port comprising: a soft cushioning member; Hard case is coupled to the outside of the buffer member; consisting of, the case is open at the top and the insertion groove is formed therein is coupled to the lower portion of the buffer member, the upper end is located below the upper end of the buffer member Characterized in that formed.
According to the present invention, it is possible to minimize the deformation of the vibration isolator by continuous impact, thereby significantly extending the durability life of the vibration isolator.

Description

VIBRATION RESISTANT APPARATUS FOR BREAKER}

The present invention relates to an anti-vibration device for a breaker, and more particularly, to effectively absorb and buffer the vibration generated from the breaker to minimize the generation of noise, and to minimize the deformation of the anti-vibration device by the continuous shock. The present invention relates to a dustproof device for a breaker that can prevent the breakage of long bolts and significantly extend the service life of the dustproof port.

In general, the hydraulic breaker is a kind of work machine which is installed on the arm of an excavator instead of a bucket and is used for rock crushing and pile piling in civil engineering or building foundation construction.

1 is an exploded perspective view showing a conventional hydraulic breaker.

Looking at the structure of the hydraulic breaker with reference to Figure 1, the main body 1, the piston is mounted therein, the chisel 100 is installed on the lower end of the main body 1, the case in which the main body 1 is coupled ( 2) and a cover 6 coupled to an upper end of the case and connected to an arm of an excavator, and a through hole into which the chisel 100 is inserted is formed at a lower surface of the case 2, and the case ( On the inner wall surface of 2) a plurality of dustproof plates 5 are provided.

In addition, a plurality of long bolts 12 having a predetermined length are coupled to the main body 1 to fix internal components, and nuts are fastened and fixed to upper and lower portions of the long bolts 12.

And the dustproof opening 50 which is elastic is provided in the upper surface of the main body 1, and exhibits a buffering force. The dustproof opening 50 is disposed between the plurality of long bolts 12.

Therefore, the up and down reciprocating motion is repeated by the hydraulic pressure and gas supplied to the piston, and driven by this, the chisel 100 strikes the object.

Since the reaction force acts along with the hitting, vibration of the main body 1 is caused, and the vibration is absorbed by the vibration damping plate 5 and the dustproof opening 50.

By the way, the anti-vibration opening 50 is inflated side when the load is fully transferred, and the deformation occurs frequently and often comes in contact with the long bolt 12 and the nut, the nut coupled to the long bolt 12 by this impact is released A closed end is generated and deformation of the long bolt 12 also occurs, which causes a breaker breakage.

In addition, even when the vibration is often the shape is deformed when the fatigue accumulates the shape deformation is hardened to swelled form has a problem that can not play the role of vibration.

The present invention has been made to solve the above problems of the prior art, a breaker that can prevent the damage of the long bolts by preventing the dust tip is inflated to the outside, and also improve the durability of the dustproof itself itself To provide a dustproof device for the purpose.

The object of the present invention, the piston is mounted therein, a plurality of long bolts are fastened and the chisel is mounted on the lower body, the dustproof hole is mounted to exert a buffer force on the upper surface of the body, the case is inserted into the body In the breaker-proof dustproof apparatus, the dustproof port is soft cushioning member; Hard case is coupled to the outside of the buffer member; consisting of, the case is open at the top and the insertion groove is formed therein is coupled to the lower portion of the buffer member, the upper end is located below the upper end of the buffer member It can be achieved by a dustproof device for a breaker characterized in that formed.

The shock absorbing member is made of urethane or rubber, and the case is made of MC nylon or a metal material.

The case is open at the top and the bottom is blocked or opened with a lower plate, characterized in that supported on the upper surface of the body.

The buffer member is characterized in that the shape of any one selected from cross, square, ring, circular.

The case is formed in a cross shape, a quadrangular shape, a circular shape, and an insertion groove therein is characterized in that it is made of any one selected from cross shape, square shape, ring shape, and round shape.

The cover further comprises a cover coupled to the upper surface of the shock absorbing member, wherein the cover is made of any one selected from cross, square, ring, and round, characterized in that the metal or MC nylon material.

On the other hand, the object of the present invention, the piston is mounted therein, a plurality of long bolts are fastened and the chisel is mounted on the lower body, the dustproof hole is mounted to exert a buffer force on the upper surface of the main body, the main body is inserted In the breaker dustproof device consisting of a case, the dustproof opening is made of a metal or MC nylon material and a plurality of insertion grooves formed on the upper surface; An elastic body inserted into the insertion groove of the first body and having elasticity; It is made of a metal or MC nylon material and a plurality of insertion grooves are formed on the lower surface can be achieved by the breaker-proof device characterized in that it comprises a second body coupled to the upper portion of the elastic body.

The elastic body is characterized in that the cylindrical or ring-shaped member made of urethane or rubber material or the coil spring is selected.

According to the present invention, even when a pressing force is applied, the dustproof port prevents the bulging of the outside and prevents damage to the long bolts, and the durability of the dustproof hole itself is also improved.

1 is an exploded perspective view showing a hydraulic breaker,
Figure 2a and Figure 2b is a perspective view showing a dustproof device for a breaker according to the present invention,
3A and 3B are cross-sectional views of FIGS. 2A and 2B,
4A and 4B are exploded perspective views of FIG. 2A;
5a and 5b and 6a and 6b are cross-sectional views and exploded perspective view showing a second embodiment of the vibration isolator for a breaker according to the present invention;
7 is an exploded perspective view showing a third embodiment of the vibration isolator for a breaker according to the present invention;
8a and 8b are combined cross-sectional view of FIG.
9A and 9B and 10 are exploded perspective views showing a modified embodiment of the third embodiment of the vibration isolator for a breaker according to the present invention;
11 and 12 are a plan view showing a modification of the 'first body' in a third embodiment of the vibration isolator for a breaker according to the present invention.

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

Figures 2a and 2b is a perspective view showing a dustproof device for a breaker according to the present invention, Figures 3a and 3b is a sectional view of the Figures 2a and 2b, Figures 4a and 4b is an exploded perspective view of Figure 2a, Figures 5a and 5B and 6A and 6B are a cross-sectional view and an exploded perspective view showing a second embodiment of the vibration isolator for a breaker according to the present invention, Figure 7 is an exploded perspective view showing a third embodiment of the vibration isolator for a breaker according to the present invention, 8A and 8B are combined cross-sectional views of FIG. 7, and FIGS. 9A and 9B and 10 are exploded perspective views showing a modified embodiment of the third embodiment of the vibration isolator for a breaker according to the present invention. FIGS. 11 and FIG. 12 is a plan view showing a modification of the 'first body' in the third embodiment of the vibration isolator for the breaker according to the present invention.

As described above, the vibration isolator for the breaker is equipped with a piston therein, a plurality of long bolts 12 is fastened and the chisel 100 is mounted on the lower body 1, the buffer force on the upper surface of the main body (1) The dustproof port is mounted so as to exert, and the main body 1 is inserted into a case (4) is inserted.

In addition, a plurality of long bolts 12 having a predetermined length are coupled to the main body 1 to fix internal components, and nuts 13 are fastened to upper and lower portions of the long bolts 12, respectively.

And the dustproof openings A1 to A6 having elasticity are installed on the upper surface of the main body 1, and preferably the dustproof openings A1 to A6 are disposed between the plurality of long bolts 12. .

One embodiment of the anti-vibration sphere (A1) according to the present invention, as shown in Figures 2a to 4b, soft cushioning member (2); It is composed of; a hard case (4) coupled to the outside of the buffer member (2).

In particular, the case 4 has an upper opening and an insertion groove 40 formed therein, which is coupled to the lower portion of the shock absorbing member 2, and has an upper end located below the upper end of the shock absorbing member 2.

The shock absorbing member 2 is made of a soft urethane or rubber material to absorb shock, and is made of any one selected from cross, square, ring, and round shape.

In addition, the buffer member 2 has a single layer structure with uniform hardness or a multilayer structure with different hardness.

The multilayer structure has a high hardness layer formed therein, and a low hardness layer is formed on the outer upper and lower portions thereof to form a multilayer.

The case 4 is made of MC nylon or metal that is harder than the shock absorbing member 2, and is formed in a cross shape, a quadrangular shape, a circular shape, and the insertion groove 40 therein is shown as a cross shape in FIGS. The present invention is not limited thereto, and may be modified in various shapes such as square, ring, and round.

The case 4 has an upper opening and a lower portion thereof is blocked by the lower plate 41 as shown in FIG. 4A or is bored as shown in FIG. 4B, and coupled to the upper surface of the main body 1.

In particular, the case 4 has a plurality of concave grooves 43 are formed so as not to be in direct contact with the long bolt 12 and the nut 13 coupled to the main body 1 in the case of the cross-shaped concave groove 43 is formed separately It is not necessary, but in the case of a rectangular, as shown in Figure 6a, each of the recess grooves 43 are formed in the lower corner.

 In addition, as shown in Figure 6b, the case 4 is circular and each recess groove 43 is formed at the bottom.

Therefore, even when the shock absorbing member 2 is pressurized to bulge the side, the shock absorbing member 2 is in close contact with the inner wall of the case 4, thereby preventing it from swelling, thereby preventing deformation, and the long bolt 12. And it is possible to prevent the closed end that is not in contact with the nut 13 to damage their combined state.

Meanwhile, as shown in FIGS. 5A and 5B, the dustproof hole A2 includes a soft cushioning member 2; A hard case 4 coupled to an outer lower portion of the buffer member 2; The cover 5 is coupled to the outer upper portion of the buffer member (2).

The case 4 has an upper opening, and a lower portion thereof is blocked by the lower plate 41 as shown in FIG. 5A or perforated as shown in FIG. 5B, and coupled to the upper surface of the main body 1.

The cover 5 is cross-shaped, square, ring-shaped to match the shape of the buffer member (2). It is one of the circular, the material is made of metal or MC nylon material harder than the buffer member (2).

Meanwhile, FIGS. 7 to 12 are views showing other embodiments of the anti-vibration apparatus applied to the present invention.

As shown in FIGS. 7 and 10, the dustproof holes A4 to A6 include a first body 7 made of metal or MC nylon and having a plurality of insertion grooves 71 formed on an upper surface thereof; An elastic body 8 inserted into the insertion groove 40 of the first body 7 and having elasticity; It is made of a metal or MC nylon material and a plurality of insertion grooves 90 are formed on the lower surface is coupled to the upper portion of the elastic body (8); is configured to include.

The first and second bodies 7 and 9 are made of MC nylon or metal, and are formed in a quadrangular shape, and the insertion grooves 71 and 90 therein are any one of a plurality of small circles or a single large ring shape. Is done.

On the other hand, the insertion groove 71 of the first body 7 may be formed as shallow as shown in Figure 8a or perforated to the bottom as shown in Figure 8b.

Naturally, the first and second bodies 7 and 9 may be formed in a circular or other various shapes.

That is, as shown in Figure 11, the first and second body (7a, 9a) is formed in a cross shape, a plurality of insertion grooves (71, 90) are formed.

Alternatively, as shown in FIG. 12, the first and second bodies 7b and 9b are formed in a disc shape and a plurality of insertion grooves 71 and 90 are formed.

The elastic body 8 is made of urethane or rubber material, and as shown in FIG. 7, is inserted into a plurality of small circular insertion grooves 71 and 90 formed in the first and second bodies 7, 9. It consists of a cylindrical body so that it can be mounted in multiple.

Alternatively, as shown in FIG. 9, the elastic body 8b may be mounted in a single large ring-shaped insertion groove 72 formed of a single ring-shaped member and formed in the first and second bodies 7, 9.

Therefore, even when the elastic body 8 is pressed by the pressure applied from the outside of the first and second bodies 7 and 9 and the sides are convexly swelled, the insertion grooves formed in the first and second bodies 7 and 9 ( 71,90 because it is in close contact with the inner wall of the state can not be swelled to prevent deformation, it is also not in contact with the long bolt 12 and the nut 13, so that it is possible to fundamentally prevent the closed end that inhibits their binding force do.

On the other hand, as shown in Figure 10a, the elastic body (8c) may be composed of a plurality of small coil springs, a plurality of small circular insertion grooves 71, 90 formed in the first and second body (7, 9) It is inserted into the mounting.

Alternatively, as shown in FIG. 10B, the elastic body 8c may be formed of a single large coil spring, and the single large circular insertion grooves 71 and 90 formed in the first and second bodies 7 and 9 may be formed. It is inserted into the mounting.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

1: main body 2: cushioning member
4: case 5: cover
7: first body 8: elastic body
9: second body 12: long bolt

Claims (6)

In the vibration isolator for a breaker consisting of a main body, a piston is mounted, a plurality of long bolts are fastened and a chisel is mounted at the bottom, a dustproof outlet mounted to exert a buffering force on the upper surface of the main body, and a case into which the main body is inserted. ,
The dustproof opening,
A buffer member formed of urethane or rubber material and having a uniform hardness, or a multilayer structure having a different hardness, and configured to have any one of a cross shape, a square shape, a ring shape, and a circular shape;
A case of hard MC nylon or metal material coupled to the outside of the buffer member;
And a cover coupled to the upper surface of the buffer member.
In this case,
An upper portion is opened and an insertion groove is formed therein, and is coupled to the lower portion of the buffer member, and the inner lower portion is opened or blocked.
The upper end is formed to be located below the upper end of the buffer member,
A plurality of concave grooves are formed so as not to contact the long bolt, and is formed in the shape of any one selected from cross, square, circle,
The cover
Cross-shaped, rectangular, ring-shaped, round or any of the, dust-proof device for a breaker, characterized in that the metal or MC nylon material.
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