KR20190140367A - Compactor-cum-crusher attaching excavator - Google Patents

Abstract

The present invention relates to a compactor-cum-crusher for an excavator, which is connected to an end part of an arm of the excavator, which is a construction machine mainly used on construction or civil engineering sites to perform work such as punching, crushing, and compacting the ground, and inserting and disassembling an H-beam. According to the present invention, the vibrating crusher for the excavator comprises: a body unit which stores a driving instrument and a vibration absorbing instrument; a cam housing installed in the body unit to vibrate in accordance with the driving of the driving instrument; a driving body fixated on the cam housing and linked to move with the cam housing; a crushing unit fixed on the driving body to punch or crush a subject for the work; a wire rope spring installed between a supporter fixed on the cam housing and an upper plate and a lower plate of the body unit to serve a buffering role by preventing vibrations from the cam housing from being transferred to the body unit; a plurality of rollers installed inside the housing fixed on the body unit to guide the driving body to move up and down; and a plurality of metallic pads fixed on a side surface of the driving body to access the rollers.

Description

Compactor and Crusher {Compactor-cum-crusher attaching excavator}

The present invention is for the excavator which is mainly connected to the end of the arm of the excavator, which is a construction equipment used in the construction or civil engineering site, the drilling and crushing of the ground, compaction of the ground, inserting and dismantling the H beam It relates to a vibration crusher.

In general, an excavator, which is a construction equipment used for construction or civil engineering, is equipped with an operating device as shown in FIG. 1, a boom 2 that moves up and down and left and right for an excavation work, and joint movement to the boom. It is composed of arms (3) coupled to each other.

In addition, the end of the arm (3) is equipped with a vibration crusher or bucket according to the purpose of work to perform a predetermined operation, these vibration crusher 10 or bucket (not shown) is at the end of the arm Mounted to allow disassembly and coupling.

Figure 2 is a cross-sectional view showing an example of a conventional vibration crusher that has been used in the excavator as described above.

The vibration crusher as shown in FIG. 2 is largely divided into a body part 10 in which a driving mechanism is stored, a fastening plate 11 for connecting and mounting the body part to an arm of an excavator, and installed in the body part of the driving mechanism. The cam housing 12 which vibrates according to the driving, the drive body 17 which is fixed to the cam housing and vibrates together, and the crushing part 18 which is fixed to the end of the drive body and strikes the workpiece. .

The hydraulic motor 13 is fixed to one side wall of the cam housing 12 so that the rotating shaft 14 is located inside the cam housing 12, and the rotating shaft 14 has an eccentric cam capable of increasing or decreasing power. 15) is fixed and a cover 16 is provided on the upper side of the cam housing 12.

Accordingly, when the motor 13 is driven, the rotary shaft 14 rotates, and when the rotary shaft 14 rotates, the eccentric cam 15 rotates together. When the eccentric cam 15 rotates, the eccentric cam 15 rotates. According to the amount of eccentricity, the rotary shaft 14, the hydraulic motor 13, and the cam housing 12 vibrate together integrally.

When the cam housing 12 vibrates, the driving body 17 fixed to the cam housing 12 vibrates like the cam housing 12, and the crushing part fixed to the end of the driving body 17 18 also vibrates together, so that the work object can be perforated or crushed by the vibrating crushing unit 18.

On the other hand, in the body portion 10 of the vibration crusher that the vibration of the cam housing 12 as described above is transmitted to the cab 1 through the body portion 10, the fastening plate 11 and the arm 3 of the excavator. Vibration absorbing mechanism is installed to minimize, conventionally fixed to the support (19) on both side walls of the cam housing (12) and is usually made of a rubber material between the upper and lower plates of the body portion (10) and the support (19) Each of the shock absorbing members 20 is installed so that the vibration of the cam housing 12 is absorbed by the shock absorbing member so that the vibration of the body portion 10 is suppressed.

In addition, when the cam housing 12 and the driving body 17 vibrate in accordance with the rotation of the eccentric cam 15, the vibration direction is made in all directions, such as up and down, front and rear, left and right, the driving body 17 Drive guide mechanism for driving the driving body 17 in only one direction (up and down direction) in the vibration crusher because the workpiece is not perforated or crushed when the crushing part 18 connected thereto is vibrated in all directions. Is installed.

3 shows a driving guide mechanism of such a driving body 17. In the related art, a bearing housing 21 having a shape surrounding a part of the driving body 17 is fixed to a lower portion of the body 10, and this bearing is fixed. As the plurality of roll bearings 22 are installed in the housing 21 and the roll bearings 22 are connected to the driving bodies when the driving bodies 17 vibrate, the driving bodies 17 vibrate in the left and right directions. While being suppressed, the vibration was caused only in the vertical direction.

Accordingly, when the hydraulic motor 13 is driven, the cam housing 12, the driving body 17, and the crushing unit 18 may vibrate in the up and down direction to drill or crush the work object.

The conventional vibration crusher is fixed to the support on the side wall of the cam housing in order to suppress the vibration of the cam housing transmitted to the cab of the excavator through the body portion and between the support and the body of the rubber cushion member Although installed, as the vibration of the cam housing moving at a high speed is transmitted to the shock absorbing member, the shock absorbing member generates heat and causes deformation and elastic force is lowered.

In addition, when the shock absorbing member is deformed and the elastic force decreases as described above, the shock absorbing vibration transmitted to the body part is not properly absorbed, and the vibration is transmitted to the excavator cab as it is. There is a problem that must be exchanged frequently.

In addition, a roll bearing (roller) is installed on the outer side of the driving body to suppress vibration in the left and right directions of the driving body, but severe noise occurs as the roll bearing is repeatedly connected to the driving body having a relatively rough surface. Another drawback is that roll bearings wear easily.

An object of the present invention is to provide a vibration crusher that can effectively prevent the vibration of the cam housing is transmitted to the body portion when the vibration crusher is driven and to prevent the noise generated between the drive body and the roll bearing and wear of the roll bearing. To do this.

Vibration crusher of the present invention for achieving the above object is a cam housing that is accommodated in the drive mechanism and the vibration absorbing mechanism, and installed in the body portion vibrating in accordance with the drive of the drive mechanism, and fixed to the cam housing And a drive unit interlocked with the cam housing, a crush unit fixed to the drive unit to pierce or crush a work object, and a support fixed to the cam housing and an upper plate and a lower plate of the body to vibrate the cam housing. A wire rope spring which acts as a shock absorber so as not to be transmitted to the body part, a plurality of rollers installed in the housing fixed to the body part to guide the driving body to move in the vertical direction, and fixed to the side of the driving body, It is characterized by consisting of a plurality of metal pads to be connected.

The wire rope spring is installed between the upper plate of the cam housing and the fixed bar installed on the support, and is also installed between the fixed bar installed on the support and the fixed bar located away from the cam housing lower plate, and the wire rope is fixed to each fixed rod. Penetrates into the hole.

In addition, the roller has a flow path connected to each other while penetrating the roller through the axial direction and the radial direction to supply lubricant to the surface of the metal pad through the flow path, and integrally formed with a collar part to restrict the flow of the driving body to the roller. do.

Vibration crusher according to the present invention is configured to absorb the vibration of the cam housing by installing a wire rope spring between the cam housing and the body portion vibrating in accordance with the drive mechanism of the rubber material between the cam housing and the body portion The vibration of the cam housing can be more effectively absorbed than the installation of the parts.

In addition, the conventional rubber cushion member is deformed or deteriorated due to continuous vibration, causing severe noise, as well as frequent replacement of the buffer member, wire rope springs applied to the present invention is an extreme temperature, various chemicals It is not affected by various environmental factors such as oil, ozone and sand abrasive, and there is no fear of deformation or damage even in long-term use, and noise can be reduced to the maximum.

The rollers are provided on both sides of the driving body to suppress the flow of the driving body, and the lubricant is supplied to the surface of the driving body through the rollers to smoothly drive the driving body and to reduce the noise caused by the contact of the driving body and the rollers. Can be reduced.

1 is an exemplary view of a state in which a vibration crusher is used mounted on the excavator
Figure 2 is a perspective view showing a portion of the conventional vibration crusher cut
3 is a cross-sectional view of a conventional vibration crusher
4 is a cross-sectional view of a vibration crusher according to the present invention
Figure 5 is a perspective view of a fixing rod and a wire rope applied to the present invention Figure 6 is a perspective view of a roller and a metal pad applied to the present invention Figure 7 is a cross-sectional view showing the connection state of the roller and the metal pad Figure 8 is a connection state of the roller and the metal pad Side view showing <code explanation of main parts of drawing>
100: body 120: cam housing
170: driving body 190: support
200,201,202,203: fixing rod 204: rope wire spring
210: housing 220: roller
221: Euro 222: Calabu
230: metal pad

4 to 8 is a view showing an embodiment of the present invention, the vibration breaker of the present invention is divided into a fastening plate for mounting the body portion 100 and the body portion 100, the excavator 100 by connecting to the arm of the excavator 110, the cam housing 120 is installed in the body portion 100 and vibrates according to the drive of the drive mechanism, the drive mechanism for vibrating the cam housing, and is fixed integrally to the cam housing 120 Drive body 170 that interlocks with the cam housing 120, the crushing unit 180 is fixed to the end of the drive body 170, the body portion 100 is installed in the vibration of the cam housing 120 Vibration absorbing mechanism for suppressing the transmission to the body portion 100, and a drive guide mechanism for driving the drive body 170 in the vertical direction only.

The cam housing 12 is supported in a state capable of moving by a predetermined range in the body portion 100, and the cam housing 120 is covered with a cover 160.

As shown in FIG. 4, the driving mechanism of the cam housing 120 includes a hydraulic motor (not shown) fixed to one side wall of the cam housing 120, a rotating shaft 140 that rotates according to the driving of the hydraulic motor, and It is composed of an eccentric shaft 150 fixed to the rotating shaft 140 and positioned inside the cam housing 120.

Accordingly, when the hydraulic motor is driven, the rotating shaft 140 rotates, and when the rotating shaft 140 rotates, the eccentric cam 150 rotates together. When the eccentric cam 150 rotates, the eccentric cam 150 rotates. The rotating shaft 144 and the motor and the cam housing 120 are vibrated together integrally.

When the cam housing 120 vibrates, the driving body 170 fixed to the cam housing 120 vibrates together with the cam housing 120, and a crushing part fixed to the end of the driving body 170. 180 is also vibrated together so that the work object can be perforated or crushed by the vibrating crushing unit 180, as well as the insertion or dismantling of the H beam.

On both side walls of the cam housing 120, a support 190 is installed, and a cam between the support 190 and the upper plate of the body portion 100 and between the support 190 and the lower plate of the body portion 100. Vibration absorbing mechanism for absorbing the vibration of the housing 120 to prevent the transfer to the body portion 100 is installed.

Vibration absorbing mechanism for preventing the vibration of the cam housing 120 is transmitted to the body portion 100 is fixed bar 200 disposed to face each other between the top plate and the support 190 of the body portion (100) ( 201) and a fixing rod 202, 203 disposed to face between the lower plate of the body portion 100 and the support 190, and a wire rope spring 204 connected through the fixing rods facing each other.

The wire rope spring 204 is made by twisting a plurality of strands of stainless steel in a rope-like form, and has good elasticity, and has good durability, so that almost no shape change occurs even when used for a long time.

On the other hand, the fixing bar 200 located in the upper portion of the fixing bar disposed between the upper plate and the support 190 of the body portion 100 is fixed to the upper plate of the body portion 100 and positioned in the lower portion 201 ) Is fixed to the upper surface of the support 190 by a suitable fixing means.

In addition, the fixing rod 202 located on the upper side of the fixing bar disposed between the support 190 and the lower plate of the body portion 100 is fixed to the bottom of the support 190, the fixing rod 203 located below the body It is not fixed to the lower plate of the part 100 and is located in a state spaced apart from the lower plate by a predetermined interval.

Accordingly, when the cam housing 120 and the support 190 vibrate, the fixing rods 201 and 202 fixed to the support 19 vibrate together, and the fixing rod 201 fixed to the upper surface of the support 190. ) And the wire rope spring 204 is connected between the fixing rod 200 fixed to the upper plate of the body portion 100 in a penetrating state so that the vibration of the support 190 is applied to the wire rope spring 204. The vibration of the cam housing 120 is absorbed by the body portion 100 so that the vibration of the cam housing 120 can be prevented from being transmitted to the cab of the excavator through the body portion 100.

In addition, the wire rope spring 204 serves to prevent the vibration of the cam housing 120 is not transmitted to the body portion 100, as well as acting on the cam housing 120 by the reaction force caused by the vibration absorption cam housing 120 It also plays a role in facilitating vibration.

On the other hand, the fixing rod 203 located in the lower part of the fixing rods 202 and 203 installed between the support 190 and the lower plate of the body portion 100 is separated from the lower portion of the body portion 100 by a predetermined interval. The wire rod spring 204 does not absorb when the lower fixing rod 203 moves while the crushing unit 180 collides with a hard rock or an unexpected excessive vibration occurs in the cam housing 120 due to external factors during the operation. It is intended to be able to absorb excessive vibrations that cannot be.

The driving guide mechanism for driving the driving body 170 in the vertical direction during the vibration of the cam housing 120 is a body portion in the form of wrapping a portion of the driving body 170 as shown in Figs. A housing (210) fixed to the lower end of the (100), a plurality of rollers (220) rotatably supported by the housing (210) to restrict the flow in the front, rear, left and right directions of the driving body (170), and the driving It is composed of a plurality of metal pads 230 fixed to both sides of the sieve 170 and connected to the roller 220.

The roller 220 is disposed on the left and right sides of the drive body 170 to limit the flow of the drive body 170 in the drawing as shown in Figure 4, respectively, is installed on the upper and lower portions of the housing 210 Make two pairs.

In addition, the rollers 220 are rotatably supported by the bearings 240, and each roller 220 has a flow path 221 communicating with each other while penetrating the rollers 220 in the axial direction and the radial direction. One side of the flow path 221 is provided with an injection hole 223 for injecting lubricant to supply lubricant such as grease through the flow path 221.

In addition, a pair of collars 222 are formed on the roller 220 to restrict the forward and backward flow of the driving body 170, and the driving body 170 is positioned between the collars 222. .

The metal pads 230 are fixed to both side surfaces of the driving body 170 as shown in FIGS. 4, 7, and 8, and are disposed at positions connecting to the rollers 220. ) Is inserted into the pad groove formed in the driving body 170, so that the driving body 170 and the metal pad 230 forms the same surface without a step.

In addition, the metal pad 230 may be connected to the roller 220 at the maximum and lowest positions of the driving body 170 in consideration of the vertical driving distance of the driving body 170. It is made of heat-treated metal with size, excellent durability, smooth surface and strong hardness.

Therefore, when the driving body 170 vibrates according to the vibration of the cam housing 120, the roller 220 is connected to the surface of the metal pad 230 of which the surface fixed to the driving body 17 is smooth. Is minimized, and friction between the metal pad 230 and the roller 220 is reduced by the lubrication of the lubricant supplied to the surface of the metal pad 230 through the flow path 221 formed in the roller 220. Noise generated when the driving body 170 is driven is further reduced.

In addition, the driving body 170 is located between the collar portions 222 formed on both sides of the roller 220, and the collar portion 222 restricts the flow of the driving body 170 in the front-rear direction on the drawing and thus Accordingly, the noise due to the front-back direction vibration of the driving body 170 is also suppressed, thereby enabling a quieter operation.

Claims (5)

A body part for storing the driving mechanism and the vibration absorbing mechanism;

Cam housing is installed in the body portion and vibrates in accordance with the drive of the drive mechanism,

A drive body fixed to the cam housing and interlocked with the cam housing;

A crushing part fixed to the driving body to punch or crush the work object;

A wire rope spring installed between a support fixed to the cam housing and an upper plate and a lower plate of the body portion to cushion vibrations of the cam housing so as not to be transmitted to the body portion;

A plurality of rollers installed in the housing fixed to the body to guide the driving body to move in a vertical direction;

A vibration crusher for excavators, comprising: a plurality of metal pads fixed to side surfaces of the drive body and connected to rollers.
2. The excavator according to claim 1, wherein the wire rope spring is installed between the upper plate of the cam housing and the fixed bar installed on the support, and between the fixed bar installed on the support and the fixed bar positioned away from the cam housing lower plate. Vibration crusher for
The vibration crusher for an excavator according to claim 2, wherein the wire rope spring is passed through the hole of the fixing rod.
The vibration crusher for an excavator according to claim 1, wherein a flow path connected to each other is formed in the roller through the axial direction and the radial direction so that lubricant can be supplied to the surface of the metal pad through the flow path.
The vibration crusher for an excavator according to claim 1, wherein a collar portion for restricting the flow of the driving body is integrally formed on the roller.

Images