KR100762426B1 - Horizontal rotating device of rock drilling machine mounted on excavator - Google Patents

Abstract

The present invention relates to a rock drilling machine mounted on an excavator, and more particularly, in a rock drilling machine in which an excavator mounting portion and a drilling machine mounting portion are separated, the rock drills can rotate horizontally from the excavator by combining the excavator mounting portion and the drilling machine mounting portion by a rotating shaft. It relates to a horizontal rotating device of the perforator.

If the work space cannot be secured sufficiently, such as the case where the drilling work for dismantling the rock found during the drilling of water and sewage and various pipelines or the construction of the hollow part of the underground trench is inevitable, it is inevitable. In this case, the excavator and the perforator mounting portion fixed in the same direction as in the prior art had a problem that it is impossible to work itself in such a narrow space.

Accordingly, an object of the present invention is to provide a horizontal rotating device of a rock drilling machine that can provide a rotation angle of 90 ° or more without increasing the scale of the device.

Description

Horizontal rotating device for rock drills mounted on excavators {Direction controller for rock drill}

1 is an illustration of the use of conventional rock drilling device

Figure 2 is a first embodiment of a rock drilling device according to the present invention

Figure 3 is a detailed view of the rotating shaft coupling structure of the first embodiment

Figure 4 is a second embodiment of the rock drilling device according to the present invention

5 is a third embodiment of a rock drilling device according to the present invention

6 is a modified embodiment of the third embodiment.

Figure 7 is a fourth embodiment of the rock drilling device according to the present invention

<Description of Major Symbols in Drawing>

1: Excavator Mounting Part 2: Drilling Machine Mounting Part

3: rotating shaft 4: power transmission unit

31: connection

The present invention relates to a rock drilling machine mounted on an excavator, and more particularly, in a rock drilling machine in which an excavator mounting portion and a drilling machine mounting portion are separated, the rock drills can rotate horizontally from the excavator by combining the excavator mounting portion and the drilling machine mounting portion by a rotating shaft. It relates to a horizontal rotating device of the perforator.

In general, the rock drilling machine is fixed to the rock by fixing the drilling machine (B) mounted on the lower drilling machine mounting portion (2) on the rock with the excavator mounting portion (1) mounted on the excavator (A) as shown in FIG. It is a device configured to be able to drill holes into the rock formed by the rock crusher in the holes thus formed to crack the rock.

Since the conventional rock drilling machine should be interlocked with the excavator, the overall size of the apparatus should be considerable, so that a sufficient working space should be secured.

However, the situation where the work space cannot be secured sufficiently, such as the case where the drilling work for dismantling the rock found during the excavation work of water and sewage and various pipelines or the construction of the hollow part of the underground excavation, is inevitable, is inevitable. In this case, the excavator A and the perforator mounting part 2 fixed in the same direction as in the prior art have a problem in that the work itself in such a narrow space is impossible.

Therefore, by introducing a horizontal rotating device that the excavator mounting portion 1 and the drilling machine mounting portion 2 can be rotated respectively, there is an urgent need for a technology that allows the perforator to work horizontally freely under any circumstances.

The present applicant has a related technology (Registration No. 10-0637677), but the current technology level is a slight rotation angle of 30 ° ~ 45 ° and the length of the hydraulic cylinder for rotating the excavator mounting portion to maximize the rotation angle Since it has to be extended to about 1m, there is a problem that it is difficult to work in a narrow space by increasing the horizontal electric field of the perforator mounting part, so there is a limit to the application to the site.

Therefore, the applicant can achieve the expected effect only if the horizontal rotating device that can be applied to the rock drilling device after a long trial and error must be able to rotate the drilling machine mounting portion by 90 ° or more and does not increase the size of the drilling machine mounting portion and the whole equipment. It has been found that the most effective concrete structure for this has been found.

The present invention has been created to solve the problems of the horizontal rotating device applied to the conventional rock drilling device as described above, the horizontal of the rock drilling machine that can provide a rotation angle of 90 ° or more without increasing the scale of the device An object of the present invention is to provide a rotating device.

In order to achieve the above technical problem, the present invention is an excavator mounting portion capable of coupling with the excavator; And a perforator mounting portion capable of mounting at least one perforator; wherein the rock drilling apparatus is separately formed and vertically coupled by a rotating shaft, wherein the rotating shaft has a fixed coupling structure to rotate together with any one of the excavator mounting portion and the perforator mounting portion. Connected (hereinafter referred to as 'sticky connection'); The other one is connected by a flow coupling structure (hereinafter referred to as 'fluid connection') of a ring bearing or stepped ring using a stepped ball bearing between the outer ring and the inner ring so as not to be affected by the rotational force of the rotating shaft without being separated. ; The rotating shaft provides a connection portion that can be directly coupled to the power transmission unit to rotate to receive power from the power transmission unit; The power transmission unit is coupled to one side of the excavator mounting portion and the drilling machine mounting portion is not fixed to the rotating shaft; The power transmission unit coupled to the connection unit is driven by the power unit to provide a horizontal rotating device of the rock drilling machine, characterized in that the perforator mounting portion is configured to rotate around the excavator mounting portion supported by the excavator by rotating the rotary shaft.

That is, it is the technical idea of the present invention to maximize the rotation angle by minimizing the influence on the size of the device by transmitting the power directly to the rotating shaft to transfer the power to the excavator mounting portion or drilling machine mounting portion. Examples are as follows.

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

Although the embodiments are different, the same reference numerals are used for the corresponding components, and the detailed descriptions of the same configurations and operations will be omitted and replaced with the previous description.

First Embodiment

2 shows that the excavator mounting part 1 and the drilling machine mounting part 2 which are separately formed are vertically coupled by the rotation shaft 3, and the rotation shaft 3 is fixedly connected to rotate together with the excavator mounting part 1, and the drilling machine mounting part (2) in the fluid connection state, the connecting portion 31 is fixed to the lower end of the rotary shaft (3) below the upper plate (21) of the drilling machine mounting portion and the power transmission portion (4) as a hydraulic cylinder is formed in the connecting portion (31) And the power transmission portion 4 is coupled to the rear plate 22 of the perforator mounting portion 2 at one end thereof.

The connection part 31 is a coupling structure for connecting the power transmission part 4 and the rotating shaft 3, and receives the other end of the power transmission part 4, one end of which is coupled to the rear plate 22 of the perforator mounting part as described above. To combine.

The power transmission unit 4 as the hydraulic cylinder introduces one or more, expands and contracts with a piston movement with power generated from a power unit (not shown), and provides power to the rotating shaft 3.

As the rotary shaft rotates, the excavator mounting part 1 fixedly connected thereto rotates together, but the drilling machine mounting part connected to the rotor does not rotate, and as a result, the drilling machine mounting part 2 is driven around the excavator mounting part 1 which is connected to and supported by the excavator. Relative rotation.

Wherein the rotation shaft 3 and the connecting portion 31 is a natural combination, for this purpose, as shown in Figure 3 to form a plurality of grooves on the outer surface and the inner surface of the connecting portion at regular intervals to make a key (key) and the shaft as one It can have a spline shaft and engage it by engaging it. In addition, any structure can be easily adopted by those skilled in the art.

Similarly, the spline shaft coupling, the bolt coupling, etc. may also be introduced in the fixed connection method of the rotating shaft and the excavator mounting, and the specific coupling structure itself is not a feature of the present invention and thus various modifications are possible.

On the other hand, the flow connection of the rotating shaft and the drilling machine mounting portion is to be connected so that the drilling machine mounting portion can be maintained in place without being separated from the rotating shaft as described above, so as not to be affected by the rotation of the rotating shaft, the specific structure of the ball bearing Any interleaved ring bearing or a structure that can satisfy the above technical concept of the present invention can be easily implemented in the prior art such as a stepped ring using stepped.

The power transmission unit may rotate the excavator mounting unit 1 fixedly connected to the portion in which the rotating shaft is flow-connected (perforator mounting unit). When the rotating shaft is fixedly connected to the excavator mounting unit 1 as in the present embodiment, One end of the power transmission unit 4 as a cylinder should be coupled to one end of the perforator mounting rear plate 22 and the other end should be coupled to the connecting portion 31 formed on the rotating shaft.

Second Embodiment

4 is a further embodiment according to the present invention, the rotary shaft 3 is fixedly connected to the excavator mounting portion, the connecting portion is formed on the rotary shaft in the lower portion of the excavator mounting lower plate 11, the power transmission unit 4 as a hydraulic cylinder Is directly connected to the rotary shaft connecting portion 31, the other end of the power transmission portion is coupled to the rear plate 22 of the drilling machine mounting portion 2, the drilling machine mounting portion can rotate as the power transmission portion as the hydraulic cylinder is stretched to be.

At this time, the rotating shaft is a ring bearing or a stepped ring using a ball bearing (not shown) interposed between the outer ring 32 and the inner ring 33, the outer ring 32 is fixedly connected to the lower plate 11 of the excavator mounting portion, The inner ring is fixed to the upper plate 21 of the perforator mounting portion, and the connecting portion is formed in the outer ring so that the rotational force is transmitted only to the outer ring, and the rotational force is not transmitted to the inner ring by the ball bearing or stepped ring interposed therebetween. It is fluidly connected.

That is, the rotary shaft 3 is rotatable together with the excavator mounting portion, but since the excavator mounting portion is fixed by the excavator, as a result, when the power transmission portion 4 expands and contracts, the drilling machine mounting portion 2 ) Can be rotated relative to each other, the difference from the first embodiment is the structure of the rotating shaft and the position of the connecting portion and the power transmission portion.

In this case, the one or more power transmission units may be directly coupled to the rotary shaft connection part 31 to maximize the rotation angle by expansion and contraction according to the piston movement of the power transmission unit. It can be reduced, so it is easy to work in confined spaces.

Third Embodiment

Figure 5 is another embodiment according to the present invention, the rotating shaft is fixedly connected to the excavator mounting portion and flow-connected with the drilling machine mounting portion, adopts a rack gear hydraulic cylinder as a power transmission portion and the power transmission portion as a connection portion This is the case with the spur gear which is a general gear corresponding to the.

A position where the rack gear as the power transmission part 4 is fixed to the lower surface of the perforator mounting part upper plate 21 by a hydraulic cylinder and engaged with the power transmission part can be engaged with the connection part 31 as a spur gear for rotating the rotating shaft. It is formed on the lower end of the rotary shaft in the lower part of the perforator mounting part upper plate 21 so that the power transmission part 4 can be piston-moved by a hydraulic cylinder by the power generated by the power part (not shown). The physics is to rotate the rotary shaft and the excavator mount fixed thereto through the spur gear.

The power transmission unit 4 as the rack gear may be formed on both sides of the rotation shaft to drive rotation and reverse rotation, but may be formed only on one side of the rotation shaft as shown in FIG.

In the present embodiment, since the power transmission unit is fixed within the lower range of the perforator mounting upper plate 21, it does not increase the scale of the device, the rotation angle varies depending on the length of the power transmission unit, but can easily implement a rotation angle of at least 90 °. have.

Fourth Example

7 is a further embodiment according to the present invention, the rotating shaft 3 is fixedly connected to the excavator mounting portion 1 and flow-connected to the drilling machine mounting portion 2, the power transmission portion 4 as a drilling machine mounting upper plate 21 It is provided with a worm gear fixed to the upper surface of the rotating shaft is provided with a worm (Worm) in the lower portion of the excavator mounting portion lower plate 11 as a connecting portion 31 that can be engaged with the power transmission unit 4, the power transmission. It is a structure capable of infinite rotation (or reverse rotation) according to the negative rotation.

According to this embodiment, the power provided from a power unit (not shown) causes the power transmission unit to rotate, and the power transmission unit 4 is coupled to a connection portion formed on the rotation shaft to rotate the rotation shaft 3 and an excavator fixedly connected thereto. Rotational force is transmitted to the mounting, but no rotational force is applied to the flow-connected perforator mounting.

However, as a result, the excavator mounting part is supported and fixed to the excavator so that the lower drilling machine mounting part rotates relative to the horizontal drilling machine.

However, as shown in the drawing, the power transmission unit 4 further includes a manual driving unit 5 on the rotating side 41 to manually operate the manual driving unit without using a power unit (hydraulic motor), thereby providing the power transmission unit. Can be rotated.
The manual driving unit 5 is a means capable of manually rotating the power transmission unit 4 by being coupled to the rotating side 41, and various implementations using the prior art are possible.
Referring to FIG. 7, as an embodiment, an angled inner groove 51 is formed in the rotational side portion 41, and a manual rotation part 52 that can be fitted into the inner groove 51 is separated and formed. It can be seen that the power transmission unit 4 can be manually rotated by inserting the manual rotation unit 52 into the internal groove 51 and then rotating the manual rotation unit 52 during manual driving.

Until now, when the rotary shaft is fixedly connected to the excavator mounting portion, the technical concept of the present invention has been described with reference to an embodiment in which the excavator mounting portion rotates together with the rotary shaft to relatively rotate the perforator mounting portion.

However, the rotating shaft may be directly connected to the perforator mounting part to directly rotate the perforator. In this case, the power transmission part may be fixed to the excavator mounting part to rotate the rotating shaft fixedly connected to the perforator mounting part.

In addition, the perforator may be a plurality, in this case, the perforator mounting part will provide a structure in which a plurality of perforators may be mounted, and in this case, the horizontal rotating device according to the present invention may be equally applied.

The present invention has the effect of minimizing the size of the horizontal rotating device while maximizing the horizontal rotation angle of the drilling machine mounting portion by providing a technical idea that the power transmission unit can directly act on the rotating shaft.

Therefore, according to the present invention can provide a rotation angle of the drilling machine mounting portion of more than 90 ° and the horizontal rotating device does not increase the overall size of the device, the advantage that can be freely and conveniently work the drilling machine mounting portion under any circumstances have.

Claims (7)

Excavator mounting that can be combined with the excavator; And a perforator mounting portion capable of mounting at least one perforator; wherein the rock drilling apparatus is separately formed and vertically coupled by a rotating shaft, wherein the rotating shaft has a fixed coupling structure to rotate together with any one of the excavator mounting portion and the perforator mounting portion. Connected; The other one is connected to the flow coupling structure of the step bearing ring using a stepped ring bearing or stepped through the ball bearing between the outer ring and the inner ring so as not to be affected by the rotational force of the rotary shaft without being separated; The rotating shaft provides a connection portion that can be directly coupled to the power transmission unit to rotate to receive power from the power transmission unit; The power transmission unit is coupled to one side of the excavator mounting portion and the drilling machine mounting portion is not fixed to the rotating shaft; And a power transmission unit coupled to the connection unit is driven by a power unit to rotate the rotary shaft, so that the perforator mounting unit rotates around the excavator mounting unit supported by the excavator. The horizontal rotating apparatus of claim 1, wherein the rotating shaft is fixedly connected to the drilling unit mounting portion so as to be fluidly connected to the rotating shaft and rotated together with the excavator mounting portion. The power transmission unit of claim 2, wherein the power transmission unit is at least one hydraulic cylinder, one end of which is coupled to a connection part formed on a rotating shaft at a lower portion of the upper surface of the drilling machine mounting portion, and the other end is coupled to the rear plate of the drilling machine mounting portion, wherein the power transmission portion is piston. Rotating shaft connecting portion connecting the rotary shaft and the power transmission when the movement and expansion and rotation by the power transmission unit rotates the rotating shaft, the rotational force is applied to the excavator mounting fixed to the rotary shaft to rotate the perforator mounting relative Horizontal rotating device of rock drilling machine characterized in that. According to claim 2, wherein the power transmission unit is at least one hydraulic cylinder, one end is coupled to the connecting portion formed on the rotary shaft in the lower portion of the excavator mounting lower plate, the other end is coupled to the rear plate of the perforator mounting portion, the rotary shaft is the outer ring and the inner ring Ball bearing is interposed between the ring bearing horizontal connecting device of the rock drilling machine, characterized in that the connecting portion is formed in the outer ring. According to claim 2, wherein the power transmission unit is one or more hydraulic cylinder type rack gear is fixed to the lower surface of the perforator mounting top plate and the connecting portion is a spur gear to be coupled correspondingly to the power transmission unit perforator mounting top plate Horizontal rotating device of the rock drilling machine, characterized in that formed on the rotary shaft at the bottom of the. The excavator mounting portion lower plate of claim 2, wherein the power transmission portion is fixed to the upper surface of the perforator mounting portion upper plate as one or more worm gears, and the connection portion is a worm corresponding to the power transmission portion so as to be engaged with and coupled to the power transmission portion. Horizontal rotating device of the rock drilling machine, characterized in that formed on the rotating shaft in the lower portion of the. The power transmission apparatus of claim 6, wherein the power transmission unit further comprises a manual driving unit including an internal groove formed on the rotation side and a manual rotation unit fitted to the internal groove to manually rotate the fitted manual rotation unit. Horizontal rotating device of the rock drilling machine, characterized in that configured to rotate.

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