KR101084459B1 - Debris Prevention Device for Excavator Breaker - Google Patents

Abstract

Excavator breaker debris prevention apparatus according to the present invention is protruded downward in the center of the breaker body portion, the chisel to fracture the rock, and the insertion hole through which the chisel is inserted into the disc-shaped body central portion, the chisel at the time of rock fracture A cushioning rubber plate for alleviating the impact of the shock absorber, mounted on an outer circumferential surface of the chisel, and having an outer diameter enlarged toward the lower side thereof, a taper key for preventing the buffer rubber plate from flowing downward, and provided at upper and lower ends of the buffer rubber plate, The protective rubber plate to prevent breakage of the buffer rubber plate, and prevents the separation of the tapered key, and the upper end is fixed to one side of the buffer rubber plate, and comprises a plurality of wire ropes surrounding the side of the chisel. According to the present invention having such a configuration, there is an effect of maximizing durability and easily preventing breakage and wear of the member from rock fragments.

Description

Debris protector for excavator breakers {protector of scatter for broken piece for working device of construction equipment}

The present invention relates to a debris preventing device for an excavator breaker, and more particularly, to prevent damage to the surrounding workers or equipment due to the rock debris that can be generated during the breaker operation such as rock using an excavator, The present invention relates to a debris prevention device for an excavator breaker which prevents a member from breaking and abrasion from an impact generated.

In general, after removing the bucket from the working device of the excavator (referring to the arm, etc.) according to the working conditions, the optional device such as a breaker or hammer is mounted to perform the work of crushing and blasting the rock.

At this time, the driver, equipment, other equipment around the equipment, workers around the workplace, workers, pedestrians, etc. are unprotected to the debris generated during work, and various protection structures are provided to the equipment in order to reduce human and material loss due to scattering of debris. Will be installed.

As a protection structure for preventing scattering of debris for construction equipment work equipment according to the prior art, a protective structure of a wire mesh structure is provided on the front of the cab to protect the driver and equipment due to the scattering of debris generated during work using a work device such as a breaker. Or, to install a protective structure formed at equal intervals of the pipe on the upper surface of the cab.

At this time, the protective structure installed on the front or the upper surface of the cab is used to protect only the equipment from the scattered debris. In other words, the workers around the equipment, pedestrians around the workplace, facilities, and other equipment are exposed to defense at all times without risk to fragments generated and scattered during work, resulting in human and material loss due to various safety accidents.

On the other hand, when the work is carried out in the road construction site, especially when the rock removal work or hammer work on the slopes may have scattered rocks toward the surrounding road, there is a problem that can cause pedestrians to hurt or cause damage to the vehicle.

Therefore, as a countermeasure to solve the above problems, there are a number of proposals for the contents of the protective structure for blocking the breaker chisel. As related related art, 'breaker safety protection net of excavator' of Korean Utility Model No. 20-0127940, Korea Patent Publication No. 10-2010-0024167 and the "splitting prevention device for construction equipment work equipment," and the like.

However, in the related art, a member blocking the rock fragments is composed of a chain and a rope, or a prevention film, and the chain and the rope have a problem of being easily broken due to the impact generated during the breaker operation. And, the barrier is a problem that is easily damaged due to the sharp pieces of rock fragments.

In addition, there is a problem that the member such as chisel wear or damage due to the impact generated during the breaker operation.

SUMMARY OF THE INVENTION An object of the present invention is to solve the problems of the prior art as described above, and to provide a debris preventing device for an excavator breaker that improves durability from breakage and breakage and wear of the member.

Another object of the present invention is to provide a fragment breaker for an excavator breaker to mitigate the impact of the chisel during rock fracture.

Excavator breaker debris preventing device according to the present invention for achieving the above object, the protruding downward in the center of the breaker body portion, the chisel to fracture the rock and the insertion hole in which the chisel is inserted into the center of the disc-shaped body Is formed, the buffer rubber plate to mitigate the impact of the chisel during rock fracture, and is mounted on the outer circumferential surface of the chisel, the outer diameter is formed to increase in diameter toward the lower side, taper key to prevent the buffer rubber plate from flowing downward, Is provided on the upper and lower ends of the buffer rubber plate, the protective steel plate to prevent breakage of the buffer rubber plate, the separation of the tapered key and the upper end is fixed to one side of the buffer rubber plate, a plurality of wrap around the side of the chisel It is characterized by including a wire rope.

The insertion hole has an outer diameter that is formed to be enlarged downwardly to correspond to the shape of the tapered key, and the tapered key is inserted into the insertion hole.

The protective steel plate is installed to shield the upper and lower portions of the buffer rubber plate, characterized in that the fastening bolt is fastened to the corresponding hole of the buffer rubber plate.

The cushioning rubber plate is characterized in that it is provided to enable a relatively rotational movement with respect to the chisel and the taper key by the vibration generated during rock fracture.

According to the fragment prevention device for excavator breakers according to the present invention as described above, by using a wire rope compared to the conventional breaker safety protection structure, there is an effect that can effectively block the rock fragments without being easily worn.

In addition, by using the taper key, the hassle of hanging the member is eliminated, the flow of the cushioning rubber plate is prevented, and the impact of the chisel is alleviated, thereby increasing the durability of the work device.

1 is a cross-sectional view showing the configuration of a preferred embodiment of the fragment prevention device for excavator breakers according to the present invention.
Figure 2 is a partial perspective view showing the configuration of a preferred embodiment of the fragment prevention device for excavator breakers according to the present invention.
Figure 3 is a partial cutaway perspective view showing the operating state of the preferred embodiment of the insert-type pipe connecting device according to the present invention.

Hereinafter, with reference to the accompanying drawings, the configuration of the fragment breaker for excavator breaker according to the present invention.

1 is a cross-sectional view showing the configuration of a preferred embodiment of the excavator breaker debris prevention apparatus according to the present invention, Figure 2 is a partial perspective view showing the configuration of a preferred embodiment of the debris prevention apparatus for excavator breaker according to the present invention, Figure 3 Partial cutaway perspective view showing the operating state of the preferred embodiment of the plug-in connection device for the insertion pipe is shown.

As shown in FIG. 1, the insertion pipe connecting device is a fragment prevention device for an excavator breaker equipped with a chisel for construction equipment that fractures a rock, and projects downward in the center of the breaker body part 10 to fracture the rock. The chisel to make, the cushioning rubber plate 20 to mitigate the impact of the chisel at the time of rock fracture, the tapered key 30 to prevent the buffer rubber plate 20 from flowing downward, and the damage of the buffer rubber plate 20 The upper end is fixed to one side of the protective iron plate 40 and the buffer rubber plate 20 to prevent the separation of the tapered key 30, a plurality of wire rope 50 surrounding the side of the chisel It is configured to include.

The chisel 11 is provided in the center of the excavator breaker body portion 10. The chisel 11 is protruded downwardly from the breaker body portion 10 in a long cylindrical shape, and the end portion contacting the rock is sharply formed so as to perform a fracture operation such as a rock. The chisel 11 serves to crush the rock by hitting the rock while vertically moving up and down.

The buffer rubber plate 20 is provided on the outer circumferential surface of the chisel 11. The cushioning rubber plate 20 has an insertion hole 20a corresponding to the chisel 11 at a central portion of a disc-shaped body, and the chisel 11 is inserted into the insertion hole 20a, thereby rock fracture. It serves to mitigate the impact while supporting the outer peripheral surface of the chisel 11 in close contact with the generated vibration.

The upper side of the insertion hole (20a) is formed with an outer diameter corresponding to the shape of the chisel 11, the outer diameter is expanded toward the lower side, the inclined surface 21 is formed, the tapered key 30 to be described below It is in close contact with the inclined surface 21 is inserted.

The buffer rubber plate 20 may be made of rubber, urethane, synthetic resin material that can absorb shock well, and may form a thin plate thickness for cost reduction.

The taper key 30 is provided on the outer circumferential surface of the chisel 11. The tapered key 30 is formed in a cylindrical shape having an outer diameter that is enlarged toward the lower side, and is inserted while being in close contact with the inclined surface 21 of the buffer rubber plate 20. The taper key 30 serves to prevent the buffer rubber plate 20 from flowing downward by vibration generated during the rock crushing operation.

The protective iron plate 40 is provided at the upper and lower ends of the buffer rubber plate 20. The protective steel plate 40 is composed of a first protective iron plate 41 and the second protective iron plate 42 in a disc shape corresponding to the shape of the buffer rubber plate 20, the upper and lower ends of the buffer rubber plate 20 Are installed on each.

The first protective steel plate 41 is installed to shield the upper portion of the buffer rubber plate 20, a plurality of fastening grooves 40a are formed along the outer circumferential surface of the first protective steel plate 41, the fastening groove A through hole 20b is formed from the top to the bottom of the buffer rubber plate 20 so as to correspond to 40a.

The second protective steel plate 42 is installed to shield the lower portion of the buffer rubber plate 20, the fastening groove 40b along the outer circumferential surface of the second protective steel plate 42 to correspond to the through hole 20b Multiple spacings are formed.

The fastening bolt 22 is inserted into the fastening groove 40a of the first protective steel plate 41, and the fastening bolt 22 passes through the through hole 20b of the buffer rubber plate 20. It is inserted into the fastening groove 40b of 42. The fastening bolts 22 inserted therein are fixed by fastening nuts 23 provided at upper and lower portions of the buffer rubber plate 20, respectively.

By adjusting the fastening nut 23 provided on the upper portion of the buffer rubber plate 20, the first protective steel plate 41 is in close contact with the upper portion of the buffer rubber plate 20. Then, by adjusting the fastening nut 23 provided in the lower portion of the buffer rubber plate 20, the second protective iron plate 42 is in close contact with the lower portion of the buffer rubber plate 20.

The wire rope 50 is provided on one side of the buffer rubber plate (20). The wire rope 50 is composed of a plurality of wires connected to the lower end of the buffer rubber plate 20 and elongated by a predetermined length, and are spaced apart along the outer circumferential surface of the buffer rubber plate 20. The wire rope 50 is formed to surround the side of the chisel 11, and serves to prevent the scattering of the crushed rock debris.

The wire rope 50 may be further formed on the side of the buffer rubber plate 20, and is formed in a double, triple structure along the outer circumferential surface of the buffer rubber plate 20, to effectively block the scattering of rock debris. do.

Below with reference to Figures 1 to 3 the action of the excavator breaker debris prevention device according to an embodiment of the present invention as described above.

By using a work device such as a breaker equipped with a chisel 11 to block the fragments scattered during the work of crushing the rock by the wire rope 50, it is possible to fundamentally prevent the fragments scattered.

Conventionally, chains, ropes and barriers were used to prevent debris from scattering, but chains and ropes are caught between rocks and rocks and easily broken in impact during breaker work, and barriers are easily damaged by sharp pieces of debris. There was this.

Therefore, by using the wire rope 50 to maximize the durability, to prevent the damage, wear of the chisel (11).

A buffer rubber plate 20 is installed on the outer circumferential surface of the chisel 11. The buffer rubber plate 20 may be formed as a flexible material or a rubber material so as to mitigate the impact of the chisel 11 due to the vibration generated when the rock fracture.

The buffer rubber plate 20 is formed with an insertion groove into which the tapered key 30 fixedly installed on the outer circumferential surface of the chisel 11 is formed, and the insertion groove is gradually lowered to correspond to the shape of the tapered key 30. An enlarged inclined surface 21 is formed to be in close contact with the inclined surface 31 of the tapered key 30 to prevent the buffer rubber plate 20 from flowing downward due to vibration generated during rock fracture.

In order to prevent abrasion and damage of the buffer rubber plate 20, the protective steel plate 40 is provided on the upper and lower portions of the buffer rubber plate 20, and fastened with a fastening bolt 22, and fastened with a fastening nut 23. By tightly fixing, the upper and lower portions of the buffer rubber plate 20 is protected, and the separation of the taper key 30 is prevented.

The wire rope 50 having the upper end fixed to one side of the buffer rubber plate 20 is formed in a plurality of spaced apart to surround the outer surface of the chisel 11, during the rock crushing operation, the lower end of the wire rope 50 Interspersed between rock and rock or debris prevents flow. For this reason, the shock absorbing rubber plate 20 is not free to rotate, there is a problem that the shock absorbing rubber plate 20 and the member is damaged and wear due to the impact generated during rock fracture.

Therefore, the cushioning rubber plate 20 to be relatively rotatable relative to the chisel 11 and the tapered key 30, even if the lower end of the wire rope 50 is fixed, the buffer rubber plate 20 is By freely rotating along the outer circumferential surface of the chisel 11, the buffer rubber plate 20 and other members are prevented from being damaged.

That is, as shown in FIG. 3, the inclined surface 21 formed on the buffer rubber plate 20 and the inclined surface 31 of the tapered key 30 are in close contact with each other. 31) is spaced apart a predetermined interval, so that the buffer rubber plate 20 can be freely rotated along the outer peripheral surface of the chisel (11).

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

10. Breaker body part 11. Chisel
20. Buffer rubber plate 20a. Insertion hole
20b. Through Hole 21,31. incline
30. Taper Key 40. Protective Steel Plate
50. Wire Rope

Claims (4)

A chisel protruding downward in the center of the breaker body to break the rock;
An insertion hole in which the chisel is inserted in a central portion of a disc-shaped body, and a cushioning rubber plate to mitigate the impact of the chisel when the rock is broken;
A tapered key mounted on an outer circumferential surface of the chisel, the outer diameter of which is expanded toward a lower side thereof to prevent the buffer rubber plate from flowing downward;
Protection steel plates provided at upper and lower ends of the buffer rubber plate to prevent breakage of the buffer rubber plate and to prevent the taper key from being separated;
The upper end is fixed to one side of the buffer rubber plate, a plurality of wire rope surrounding the side of the chisel; configured to include,
The protective steel plate is installed so as to shield the upper and lower portions of the buffer rubber plate, the fragment prevention device for an excavator breaker, characterized in that fastening with a fastening bolt in a corresponding hole of the buffer rubber plate. The method of claim 1,
The insertion hole has an outer diameter enlarged downwardly to correspond to the shape of the tapered key, the tapered key is inserted into the insertion hole, the fragment prevention device for an excavator breaker. The method of claim 1,
The cushioning rubber plate is a fragment prevention device for an excavator breaker, characterized in that formed of a flexible material or rubber material.
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