KR20160023383A - Ground Compaction Device - Google Patents

Abstract

The present invention relates to a ground compacting device. According to the present invention, the ground compacting device included in a boom of an excavator and mounted on a hydraulic breaker including a chisel to compact a ground. The ground compacting device comprises: a chisel fixing part; a compacting plate; a plurality of reinforcing plates; and a coupling device. The chisel fixing part with a rectangular shape has a coupling hole formed on the center in a longitudinal direction to allow a lower part of the chisel to be coupled thereto. The chisel has a rectangular section and has a through hole formed on a lateral surface in a transverse direction. The compacting plate is coupled to a lower part of the chisel fixing part to compact the ground. Each reinforcing plate has a lower part welded to an upper surface of the compacting plate and one side surface welded to an outer circumferential surface of the chisel fixing part. The coupling device includes a bolt and a nut. The bolt passes through the through hole of the chisel and the coupling hole of the chisel fixing part to be fastened, and the nut is coupled to one end of the bolt. According to the present invention, the ground compacting device is mounted on a front end of the chisel of the hydraulic breaker mounted on the excavator through a comparatively simple work, thereby remarkably reducing the time taken for replacement. Moreover, the ground compacting device has a simple structure to reduce manufacturing costs, thereby reducing maintenance costs and increasing work efficiency.

Description

Background Art [0002] Ground Compaction Device [0003]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ground compaction apparatus, and more particularly, to a compacting apparatus for a ground, which is mounted on a hydraulic breaker and a compactor provided in an excavator, To the ground compaction apparatus.

Generally, when paving the road, the road surface before packing must satisfy the degree of compaction according to the requirements shown in the specification.

As an example of such a method for obtaining the degree of compaction of the required level, various compaction methods are used to strengthen and stabilize the ground by applying direct pressure to the surface layer of the ground to reduce the gap between the soil particles.

Typically, the compaction apparatus used in the compaction method includes roller-type compaction apparatuses such as a road roller, a tandem roller, and a vibration roller, and compaction apparatuses such as a vibration compactor, a rammer, and the like.

Among them, the compaction apparatus of the roller system is effective for finishing the road surface of a relatively wide section by using the roller, and is mainly used for the construction of the road surface and the finishing work of the packaging surface.

However, in such a roller-type compaction apparatus, since the width of the rollers contacting the road surface is relatively wide, after the construction such as the sewer construction of the already packed road, the gas pipe laying work, the cable laying work, etc., As in the case where it is necessary to do so, it is not suitable if the section to be plumbed is small and its width is relatively narrow. Further, the roller contacting with the road surface has a problem that the area which can not be compromised is generated because the accessibility to the corner portion or the edge is lowered.

Korean Utility Model Registration Application No. 2002-002299 discloses a vibration compact (prior art 1) in which a compaction plate is vibrated up and down to compose a road surface.

The vibration compact of the prior art 1 vibrates the compaction plate up and down by the power obtained by burning the fuel, so that the compaction force of the vibration compact is very low.

On the other hand, a 'road compaction apparatus' (prior art 2) is disclosed in the domestic utility model No. 20-0330786.

The conventional art 2 schematically shows a compaction plate for contacting a road surface, A hydraulic system for providing a force by hydraulic pressure; A connection shaft which receives a force from the hydraulic system and transmits the force to the compaction plate; And coupling means for coupling the compaction plate and the coupling shaft.

On the other hand, the compaction apparatus of the prior art is fixed type, and the compaction plate according to the inclination of the ground is not tilted, and the working efficiency is lowered in a narrow space and a slope.

SUMMARY OF THE INVENTION The present invention has been made to overcome the problems of the prior art described above, and it is an object of the present invention to provide a hydraulic excavator that can be installed in a compact center part of an excavator and a tip end of a hydraulic breaker, The present invention aims to provide a compacting apparatus for a floor compaction which maximizes compaction efficiency by reducing the manufacturing cost by simplifying the manufacturing cost by reducing the maintenance cost and increasing the working efficiency and enabling the compaction plate to be rotated and tilted.

According to an aspect of the present invention, there is provided a boom of an excavator, wherein the boom of the excavator is mounted on a hydraulic breaker including a chisel for finishing the ground surface, wherein the chisel has a rectangular cross section, A coupling hole having a rectangular shape so that the lower part of the chisel is coupled to the coupling hole in the vertical direction and a coupling hole in the lateral direction on the side surface to form a cylindrical shape; A compaction plate coupled to a lower portion of the chisel unit and having a ground surface; A plurality of reinforcing plates welded to the upper surface of the compaction plate and welded to the outer circumferential surface of the chisel member at one side thereof; And a fastening device which is coupled through the through hole of the chisel and the fastening hole of the chisel.

The fastening device is composed of a bolt passing through the fastening hole and a nut coupled to one end of the bolt.

The chisels are formed in a rectangular cross shape. The chisels are formed in a rectangular shape and are inserted and coupled to the coupling holes. When the compaction plate is moved to the left and right, the chisel moves left and right along the cross- So that the angle can be adjusted.

A plurality of fastening holes are formed in the lateral direction on the side surface so as to be passed through the coupling holes of the dental restraint part, and the plurality of fastening holes are formed at intervals of 90 degrees.

The coupling hole of the chisel member is formed in a tapered shape so as to become narrower from the upper end to the inside of the coupling member. The chisel member is fitted into a space between the outer surface of the chisel and the inner surface of the coupling hole, And a compaction plate fixing pin having the compaction plate fixing pin.

And a fixing pin cover coupled to an upper surface of the dental restraining part to allow the compaction plate fixing pin to be embedded.

According to another aspect of the present invention, there is provided an excavator comprising: a hydraulic breaker mounted on a boom of an excavator for mounting on a hydraulic breaker including a chisel, the chisel having a circular cross section and a through- A coupling hole in which a lower portion of the coupling hole is coupled to the coupling hole in a longitudinal direction at the center, and a coupling hole in a lateral direction at a side thereof to form a cylindrical shape; A compaction plate coupled to a lower portion of the chisel unit and having a ground surface; A plurality of reinforcing plates welded to the upper surface of the compaction plate and welded to the outer circumferential surface of the chisel member at one side thereof; And a fastening device passing through the fastening hole of the chisel and passing through the through hole of the chisel, wherein the fastening hole of the chisel fastening part is formed in a conical shape, and the area becomes narrower from the upper entrance to the inside thereof And a compaction plate fixing pin which is tapered and is fitted into a space between the outer surface of the chisel and the inner surface of the fastening hole and has a sharp shape toward the bottom.

And a fixing pin cover coupled to an upper surface of the dental restraining part to allow the compaction plate fixing pin to be embedded.

And a fixed key groove is formed in the upper peripheral surface of the chisel at a predetermined depth. A fixed key is formed in the chisel coupling groove of the hydraulic breaker so as to be inserted into the fixed key groove.

A plurality of fixing keyways are formed at an upper portion of the chisel, wherein the plurality of fixing keyways are formed at intervals of 90 degrees, and a fixing key is formed in the chisel coupling groove of the hydraulic breaker, .

The chisel is formed with a flat mounting plate at the lower end thereof, and the mounting plate is tightly fixed to the upper surface of the chisel unit and then fixed by bolts.

The chisel fixing portion is formed with a fitting portion protruding to the lower portion. The reinforcing plate is formed with a step at each of the upper and lower ends of the one end portion, .

According to the present invention, the replacement time can be greatly reduced by mounting the hydraulic breaker mounted on the excavator with a relatively simple operation at the tip of the chisel of the hydraulic breaker. In addition, since the construction is simple and the manufacturing cost can be reduced, There is an effect that it is possible to increase the number Also, it can be mounted on a compaction compartment for floor compaction, and the ground can be touched by vibrations and impacts, and the compaction plate can be rotated to the left and right according to the inclination of the ground, and can be rotated according to the compaction space.

1 and 2 are side views showing a ground compaction apparatus according to a first embodiment of the present invention,
FIG. 3 is a partial view showing a 'chiseling unit' in the ground compaction apparatus according to the first embodiment of the present invention;
4 and 5 are a plan view showing a ground compaction apparatus according to a first embodiment of the present invention,
6 to 8 are side views of a ground compaction apparatus according to a second embodiment of the present invention,
FIG. 9 is a partial view showing a 'chiseling part' in the ground compaction apparatus according to the second embodiment of the present invention;
10 and 11 are a plan view showing a ground compaction apparatus according to a second embodiment of the present invention,
12 is a view showing a 'compaction plate fixing device' in a ground compaction apparatus according to a second embodiment of the present invention;
13 and 14 are a plan view showing a ground compaction apparatus according to a third embodiment of the present invention,
FIG. 15 is a partial plan view showing a 'compaction plate fixing device' of a ground compaction apparatus according to a third embodiment of the present invention;
16 is a front view of the chisel shown in Fig. 15,
FIG. 17 is a partially enlarged view showing a combined state of the compaction plate fixing device in the ground compaction apparatus according to the third embodiment of the present invention; FIG.
18 is a view showing a chisel in a ground compaction apparatus according to a fourth embodiment of the present invention,
19 is a view showing a chisel in a ground compaction apparatus according to a fifth embodiment of the present invention,
20 is an exploded perspective view showing a ground compaction apparatus according to a sixth embodiment of the present invention.
21 is a front sectional view showing a ground compaction apparatus according to a seventh embodiment of the present invention,
22 is a side sectional view showing a ground compaction apparatus according to a seventh embodiment of the present invention;

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

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. It does not mean anything.

In addition, the sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined specifically in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user, operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

[First Embodiment]

1 and 2 are side views showing a ground compaction apparatus according to a first embodiment of the present invention, FIG. 3 is a partial view showing a 'chiseling unit' in the ground compaction apparatus according to the first embodiment of the present invention, and FIG. 4 And FIG. 5 is a plan view showing a ground compaction apparatus according to a first embodiment of the present invention.

The ground compaction apparatus A1 according to the first embodiment of the present invention is mounted on a hydraulic breaker B mounted on a front end portion of a boom 120 of an excavator 100 and including a chisel 100, A coupling hole 210 having a rectangular shape is formed at a center portion of the chisel 100 so that a lower portion of the chisel 100 is coupled to the center of the coupling hole 210, And a side surface of which is formed with a fastening hole 230 in a transverse direction to form a cylindrical shape; A compaction plate 300 coupled to a lower portion of the dicing unit 200 and having a ground surface; A plurality of reinforcing plates 400 welded to the upper surface of the compaction plate 300 and welded to the outer circumferential surface of the chisel 200 at one side thereof; And a fastening device 500 passing through the fastening hole 230 of the dental restraint part 200 and passing through the through hole 110 of the chisel 100.

The chisel 100 is mounted on the chisel coupling groove B-2 of the hydraulic breaker B and is formed of a carbon steel material having a sharp tip and breaking the hard rock.

The chiseling part 200 is formed in a cylindrical shape and is made of carbon steel. In the upper part, a coupling hole is formed at the center so that an end of the chisel 100 is coupled, and a fastening hole is formed in a lateral direction at the side.

The compaction plate 300 is a plate-shaped plate having a predetermined area so as to cover the ground surface. The chiseling unit 200 is coupled to the center of the upper surface of the compass plate 300 and is integrally formed. Do not move the soil while moving by pushing.

The fastening device 500 is coupled through the through hole 110 of the chisel 100 through the fastening hole 230 of the chisel fastening part 200 and is coupled to the through hole 110 of the chisel 100, A bolt 520 of a certain length is inserted through the fastening hole 230 of the fastening part 200 and a bolt 520 which is coupled through the fastening hole 230 to be fastened And a nut 540 for allowing the nut 540 to be attached thereto.

The topside compaction apparatus according to the first embodiment of the present invention constructed as described above is such that the upper portion of the chisel 100 is mounted in the chisel engagement groove B-2 of the hydraulic breaker B and the hydraulic breaker B is mounted on the boom of the excavator Respectively.

And then the ground surface can be cleaned by the impact pressure of the hydraulic breaker (B).

[Second Embodiment]

6 to 8 are side views showing a ground compaction apparatus according to a second embodiment of the present invention, FIG. 9 is a partial view showing a 'chiseling unit' in the ground compaction apparatus according to the second embodiment of the present invention, FIG. 10 FIG. 11 is a plan view of a ground compaction apparatus according to a second embodiment of the present invention, and FIG. 12 is a view illustrating a compaction plate fixing apparatus in a ground compaction apparatus according to a second embodiment of the present invention.

The ground compaction apparatus A2 according to the second embodiment of the present invention is mounted on the hydraulic breaker B mounted on the front end of the boom 120 of the excavator 100 and including the chisel 100, A coupling hole 210 having a rectangular shape is formed at a center portion of the chisel 100 so that a lower portion of the chisel 100 is coupled to the center of the coupling hole 210, And a side surface of which is formed with a fastening hole 230 in a transverse direction to form a cylindrical shape; A compaction plate 300 coupled to a lower portion of the dicing unit 200 and having a ground surface; A plurality of reinforcing plates 400 welded to the upper surface of the compaction plate 300 and welded to the outer circumferential surface of the chisel 200 at one side thereof; And a fastening device 500 passing through the fastening hole 230 of the dental restraint part 200 and passing through the through hole 110 of the chisel 100.

10 and 11, the coupling hole 210 of the dental restrainer 200 is formed in a cross shape, and the chisel 100 is formed in a rectangular shape and inserted into the coupling hole 210 .

Therefore, when the compass board 300 is moved to the left and right, the angle of the chisel 100 can be adjusted by moving the chisel 100 along the cross-shaped coupling hole 210 to the left and right.

A plurality of fastening holes 230 are formed in the lateral direction so as to be passed through the coupling holes 210 of the dental restraint 200 and the plurality of fastening holes 230 are formed at intervals of 90 degrees.

6 and 7, the coupling hole 210 of the dental restraint 200 is formed in a tapered shape so as to be narrower in area from the upper end entrance to the inside,

And a compaction plate fixing pin 160 fitted in a space between the outer surface of the chisel 100 and the inner surface of the coupling hole 230 and having a sharp shape toward the bottom.

The compass plate fixing pin 160 is formed in a wedge shape and is tightly engaged with a space between the chisel 100 and the coupling hole 210 of the chisel fixture 200 to prevent the chisel 100 from being caught, Can be maintained.

And a fixing pin cover 270 which is coupled to the upper surface of the dental restrainer 200 and allows the compaction plate fixing pin 160 to be embedded.

[Third Embodiment]

FIG. 13 is a plan view of a ground compaction apparatus according to a third embodiment of the present invention, FIG. 15 is a partial plan view showing a 'compaction plate fixing apparatus' of a ground compaction apparatus according to a third embodiment of the present invention, and FIG. 16 is a front view of the chisel shown in FIG. 15, and FIG. 17 is a partially enlarged view showing a combined state of the compaction plate fixing device in the ground compaction apparatus according to the third embodiment of the present invention.

A ground compaction apparatus A3 according to a third embodiment of the present invention is mounted on a boom of an excavator and is mounted on a hydraulic breaker including a chisel 100, A coupling hole 210b in which a lower portion of the chisel 100 is coupled is formed at the center in the longitudinal direction and a coupling hole 230b is formed in a lateral direction at the side of the coupling hole 210b, (200) formed into a cylindrical shape; A compaction plate 300 coupled to a lower portion of the dicing unit 200 and having a ground surface; A plurality of reinforcing plates 400 welded to the upper surface of the compaction plate 300 and welded to the outer circumferential surface of the chisel 200 at one side thereof; And a fastening device 500 passing through the fastening hole 230 of the dental restraint part 200 and passing through the through hole 110 of the chisel 100. The fastening part 500 fastens the fastening part 200 The hole 230 is formed in a conical shape and has a smaller tapered shape toward the inside from the upper end inlet. The hole 230 is fitted into a space between the outer surface of the chisel 100 and the inner surface of the fastening hole 230 And a compaction plate fixing pin 290 having a pointed shape toward the bottom.

On the other hand, as shown in Figs. 15 and 16, the inner circumferential surface of the coupling hole 210b of the dental restrainer 200 is depressed to a predetermined depth to form a fixed key groove 211b (see Fig. 15 (b)).

Corresponding to this, a groove 104 corresponding to the fixed key groove 211b is formed on the outer peripheral surface of the chisel 100 (see FIG. 15A).

Thereafter, the fixed key 215 is coupled to the groove 104 and a portion thereof is inserted into the fixed key groove 216b.

The fixed key 215 is fixedly coupled to the groove 104 of the chisel 100 by a fixing bolt 216 (see FIG. 16).

[Fourth Embodiment]

18 is a view showing a chisel in the ground compaction apparatus according to the fourth embodiment of the present invention.

Two grooves are formed at an interval of 90 degrees on the upper outer peripheral surface of the chisel 100, and the rotary pin 217 is coupled to the groove by the fixing bolt 216.

Therefore, when rotating the chisel 100, the rotary pin 217 is separated and rotated.

[Fifth Embodiment]

19 is a view showing a chisel in a ground compaction apparatus according to a fifth embodiment of the present invention.

The chisel 100 is formed with a flat mounting plate 107 at the lower end thereof. The mounting plate 107 is closely attached to the upper surface of the chisel 200 and is then fastened and fixed by bolts 520.

[Sixth Embodiment]

20 is an exploded perspective view showing a ground compaction apparatus according to a sixth embodiment of the present invention.

Each of the reinforcing plates 400 has a step 410 formed at an upper portion and a lower portion of one end thereof and a step 410 formed at each of the upper and lower portions of the reinforcing plate 400, Is coupled to the lower side on the side of the chisel part 200. [

A fitting groove 340 is formed on the upper surface of the compaction plate 300, which is coupled to the lower portion of the sizing unit 200 and is used to compose the ground, to which the fitting unit 216 is coupled.

Therefore, the lower end of the reinforcing plate 400 and the compaction plate 300 are welded to each other, and the step 410 can be firmly held on the upper and lower ends of the dies 200.

[Seventh Embodiment]

FIG. 21 is a front sectional view showing a ground compaction apparatus according to a seventh embodiment of the present invention, and FIG. 22 is a side sectional view showing a ground compaction apparatus according to a seventh embodiment of the present invention.

21 and 22, a ground compaction apparatus A7 according to a seventh embodiment of the present invention is mounted on an excavator mounting portion 800 mounted on a front end portion of a boom 120 of an excavator 100 A compaction plate 300 contacting the ground; And a reinforcing plate 400 mounted on the upper part of the compaction board 300 and mounted on the upper surface of the compaction board 300 to support the vibration motor 350, A rotating body 820 protruding from the upper part of the reinforcing plate 400; A rotatable guide 420 formed at a lower portion of the excavator mounting portion 800 and having a hollow inside and a step 422 at a lower end thereof so that the rotatable body 820 can be fitted into the rotatable body 820; An impact blocking member 480 coupled to the step 422 of the rotating guide 420 and supported on the upper surface of the reinforcing plate 400; And a fastening device 500 which is coupled through the rotating body guide 420 and the rotating body 820.

The fastening device 500 includes a fixing bolt 530 having a predetermined length passing through the rotating guide 420 and the rotating body 820, And a nut 540 fastened to the outer end of the fixing bolt 530.

The impact-resistant region 480 is provided to the lower end of the rotatable guide 420 to be inserted into the step 422 formed in an annular or quadrangular shape to mitigate the impact generated during compaction. Of course, it is not necessary to be limited to rubber, but a urethane material having elasticity is also possible.

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.

100: Chisel 160: Compaction plate fixing pin
200: Chizuru government 210: Combination ball
290: compaction plate fixing pin 300: compaction plate
340: fitting groove 400: reinforcing plate
410: step 500: fastening device

Claims (12)

The boom of the excavator is mounted on a hydraulic breaker including a chisel,
Wherein the chisel is formed with a square cross section and a through hole is formed in a lateral direction on the side surface,
A quadrilateral joint having a square shape in which a lower portion of the chisel is coupled to the chisel and a coupling hole in the lateral direction is formed in the side of the chisel;
A compaction plate coupled to a lower portion of the chisel unit and having a ground surface;
A plurality of reinforcing plates welded to the upper surface of the compaction plate and welded to the outer circumferential surface of the chisel member at one side thereof;
A fastening device comprising a bolt inserted through a through hole of the chisel and a fastening hole of a tooth chisel and a nut coupled to one end of the bolt;
And a second compaction unit that complements the first compaction unit. The method according to claim 1,
Wherein the engagement hole of the tooth engagement portion is formed in a rectangular cross shape and the chisel is formed in a rectangular shape and inserted into the engagement hole,
Wherein when the compaction plate is moved left and right, the angle of the chisel can be adjusted by allowing the chisel to move left and right along a cruciform coupling hole. 3. The method of claim 2,
Wherein a plurality of fastening holes are formed in the lateral direction so as to be passed through the coupling holes of the tooth engagement portion, and the plurality of fastening holes are formed at intervals of 90 degrees. The method according to claim 1,
The engaging ball of the chiseling portion
And the tapered shape is formed so that the area becomes narrower from the upper entrance to the inside,
And a compaction plate fixing pin which is fitted in a space between an outer surface of the chisel and an inner surface of the fastening hole and has a sharp shape toward the bottom. The method according to claim 1,
Further comprising a fixing pin cover coupled to an upper surface of the dental restraining unit to allow the plaster plate fixing pin to be embedded. The boom of the excavator is mounted on a hydraulic breaker including a chisel,
Wherein the chisel is formed in a circular shape in cross section and has a through hole formed in a lateral direction on its side surface,
A coupling hole in which the lower portion of the chisel is coupled to the coupling hole in the longitudinal direction at the center, and a coupling hole in the lateral direction at the side surface to form a cylindrical shape;
A compaction plate coupled to a lower portion of the chisel unit and having a ground surface;
A plurality of reinforcing plates welded to the upper surface of the compaction plate and welded to the outer circumferential surface of the chisel member at one side thereof;
And a fastening device passing through the fastening hole of the chisel and passing through the through hole of the chisel,
The fastening holes of the chisel member are formed in a conical shape
And the tapered shape is formed so that the area becomes narrower from the upper entrance to the inside,
And a compaction plate fixing pin which is fitted in a space between an outer surface of the chisel and an inner surface of the fastening hole and has a sharp shape toward the bottom. The method according to claim 6,
Further comprising a fixing pin cover coupled to an upper surface of the dental restraining unit to allow the plaster plate fixing pin to be embedded. The method according to claim 6,
A fixed key groove is formed in the upper peripheral surface of the chisel at a predetermined depth,
Wherein the chisel coupling groove of the hydraulic breaker is formed with a fixed key inserted into and engaged with the fixed key groove. 7. The method according to claim 1 or 6,
Wherein a plurality of fixing keyways are formed at an upper portion of the chisel, wherein the plurality of fixing keyways are formed at intervals of 90 degrees,
Wherein the chisel coupling groove of the hydraulic breaker is formed with a fixed key inserted into and engaged with the fixed key groove. 7. The method according to claim 1 or 6,
The chisel has a flat attachment plate at the lower end thereof,
Wherein the mounting plate is tightly fixed to the upper surface of the chisel unit and then fixed by bolts. 7. The method according to claim 1 or 6,
Wherein the chisel fixing portion has a fitting portion protruding downward,
The reinforcing plate has stepped portions formed on and under one end,
And the stepped portions formed at the upper and the lower portions are coupled to the lower and lower sides of the dental restraint.
Mounted on an excavator mounting portion 800 mounted on a front end portion of a boom 120 of an excavator 100,
A compaction plate 300 contacting the ground;
A vibrating motor 350 mounted on the upper portion of the compaction plate 300 for generating a vibrating force,
And a reinforcing plate (400) attached to an upper surface of the compaction plate (300) and supporting the vibration motor (350)
A rotating body 820 protruding from the upper portion of the reinforcing plate 400;
A rotatable guide 420 formed at a lower portion of the excavator mounting portion 800 and having a hollow inside and a step 422 at the lower end to fit the rotatable body 820 therein;
An impact blocking member 480 coupled to the step 422 of the rotatable guide 420 and supported on the upper surface of the reinforcing plate 400;
And a fastening device (500) that is coupled through the rotating guide (420) and the rotating body (820).

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