JP2539561Y2 - Rock drill - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to rock excavation, i.e. rock excavation and excavation, excavation of bricks for replacing bricks in various furnaces and kilns, excavation of irregular refractories, concrete for concrete buildings. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rock drill used for digging and excavating a wall, and particularly to a support device for such rock drills.

[0002]

2. Description of the Related Art Conventionally, excavation and excavation of rocks, excavation of bricks for replacing bricks of various furnaces and kilns, excavation of amorphous refractories, excavation and excavation of concrete walls of concrete buildings, and the like. In general, the rock drill is held by hand, and the bit of the tip of the rock drill is hit against the target rock or wall. It is necessary to press the corresponding portion with an appropriate force, and for that purpose, the target is manually identified and pressed.

[0003]

However, in such a conventional rock drilling machine, the rock drilling machine itself has a considerable weight, and the rock drilling machine is used for drilling a rock such as a plane portion such as a floor surface and digging. It is sufficient to keep the balance so that it does not fall down.However, in the case of a vertical side or an overhead surface such as a ceiling, hold the heavy rock drill and press the cutting edge of the rock drill into the required place to remove the rock. The work must be performed, and the pressing force by human power at this time needs to be about 10 to 30 kg. Therefore, the entire weight must be pressed against the crushing surface and the work must be continuously performed. Yes, and the edge of the rock drill must always be sharp. Therefore, in the case of chiseling or digging work on a vertical side surface or a ceiling surface, in order to reduce the work, for example, an appropriate support base is provided, and the rock drill is supported on the support base at a predetermined position. There is a problem that the cutting edge of the rock drilling machine is pressed toward ゝ and necessary work must be performed. In addition, when the rock drill is held, the working environment is poor because the excavated material fragments and dust scatter to the holder. In particular, when excavating a vertical surface or a ceiling surface, large debris may fall, which is also dangerous.

Accordingly, it is an object of the present invention to solve such a problem in the prior art by connecting a rock drill to a fluid jack so as to provide a fixed support between a floor surface and a ceiling surface, and between two opposing side surfaces. A rock drill and a set of fluid jacks are arranged between a point and one of the corresponding side surfaces to supply fluid pressure to the fluid jack so that the cutting edge of the rock drill can be pressed to a required position from the base of the fluid jack. To provide an improved rock drill.

[0005]

According to the present invention, in order to achieve the above-mentioned object, a rock drill comprises a rock jack attached to a rock drill body, and the fluid jack is fixed by supplying a fluid pressure to the fluid jack. It is characterized in that the cutting edge of the rock drill can be pressed to a target location as a base point.

[0006]

Therefore, according to the present invention, a pressure fluid is supplied to the fluid jack attached to the rock drill body by the above-mentioned means, and the cutting edge of the rock drill is pressed to a site to be dug with the fluid jack as a fixed base point. Digging, it is possible to easily hold a heavy rock drill at the time of digging a vertical wall or ceiling, etc., to obtain the pressing force by the fluid jack, and to cut the blade edge of the rock drill against the target object. You can easily adjust the direction.

[0007] Other objects, features and advantages of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 5 of the drawings show several examples of the rock drill of the present invention. First, FIG. 1 shows a drilling operation for drilling a concrete wall A of a foundation of a concrete structure. An example is shown. As shown in the figure, in the rock drill 1 of the present invention, a vertical wall of a concrete foundation is formed by using a scaffold pipe 10 assembled for a drilling operation against a concrete wall A of a foundation of a concrete structure to be digged. The rock drill 1 is supported on the concrete wall A. The rock drill 1 of the present invention mainly comprises a rock drill main body 2 and a supporting device 4 as shown in the figure. The rock drilling machine itself is conventionally well-known and generally used, and a fluid jack such as a pneumatic jack or a hydraulic jack or other appropriate air cylinder 4 is incorporated as a supporting device for supporting such a rock drilling machine body 2. Have been.

In the embodiment shown in FIG. 1, an air cylinder 4 is now used for a support device incorporated in the rock drill body 2 of the rock drill 1 of the present invention, and the cylinder side of the air cylinder 4 is a fixed support side. A free end of the piston rod 5 is fixed to and supported by a bracket 7 of the rock drill main body 2, and further fixed to a support bracket 8 of the rock drill main body 2. For example, a supporting chain 11 is attached and suspended from the scaffold pipe 10. Therefore, the one end of the cylinder of the air cylinder 4 is fixed to the scaffold pipe 10, for example, by the bracket 6, and the rock drill body 2 is suspended and supported from the scaffold pipe 10 by the supporting chain 11, so that the air cylinder 4 When the compressed air is supplied to the cylinder, the piston rod 5 is extended and the cutting edge 3 at the tip of the rock drill main body 2 is pressed against the concrete wall A to be dug, and then the compressed air is supplied to the rock drill main body 2. For example, since the cutting edge 3 of the rock drill 1 is vibrated, the required concrete wall A is dug and drilled. At this time, by adjusting the supply of the compressed air to the air cylinder 4 in accordance with the amount of digging of the rock drill 1, an appropriate pressing force can be constantly applied to the cutting edge 3 of the rock drill 1, and a suitable digging operation is continued. You. Further, the compressed air supplied to the pneumatic cylinder 2 can be preferably used in common with the compressed air source used in the rock drilling machine 1.

FIG. 2 shows an example of a scissoring operation such as a filing of a refractory wall A for replacing a refractory brick of a refractory wall of a furnace such as a kiln. The rock drill main body 2 and the support device 4 are fixedly installed by using another wall surface B positioned opposite to the rock drilling machine. As shown, an air cylinder 4 used as a support device has a cylinder attached to a bracket 7 of a rock drill main body 2 by a support rod 9, and a free end of the piston rod faces a fire-resistant wall A via a base plate 12. It is in contact with another wall surface B.
Therefore, the piston rod 5 is extended by the supply of the compressed air to the air cylinder 4, and the cutting edge 3 at the tip of the rock drill main body 2 is pressed against the fire-resistant wall A.
Chiseling is performed by supplying compressed air to the pit. Further, as in the first embodiment shown in FIG. 1, the free end side of the piston rod 5 of the air cylinder 4 may be attached to the rock drill body 2 so that the air cylinder 4 is fixed. Of course it is possible.

FIG. 3 shows an example of excavating the fireproof wall A of the furnace ceiling. As shown in the figure, the rock drill main body 2 is cut so that the cutting edge 3 of the rock drill 1 contacts the fireproof wall A of the ceiling. The free end of the piston rod 5 of the air cylinder 4 is attached to the bracket 7, and a base plate 12 provided at one end of the cylinder with the cylinder fixed is installed on the floor B. Therefore, the piston rod 5 is extended by the supply of the compressed air to the air cylinder 4, and the cutting edge 3 of the tip of the rock drill body 2 is extended.
Is pressed against the refractory wall A of the ceiling, so that the drilling is performed by supplying compressed air to the rock drill body 2.

FIG. 4 shows a modification of the embodiment shown in FIG. 3. As shown, one end of the pneumatic cylinder 4 is directly attached to one end of the rock drill main body 2 to be integrated. And the free end of the piston rod 5 is placed on the floor B via the base plate 12. Accordingly, the compressed air is supplied to the air cylinder 4 so that the piston rod 5 is extended, and the cutting edge 3 at the tip of the rock drill body 2 is pressed against the fireproof wall A on the ceiling, so that the compressed air is supplied to the rock drill body 2. This allows the excavation to take place.

FIG. 5 shows another example of an excavating operation for the embodiment shown in FIG. 1. As shown, the free end of the piston rod 5 is attached to the bracket 7 of the rock drill body 2. One end of the chain 11 is attached to the attachment portion 6 'at one end of the air cylinder 4 to which the portion is attached.
The other end of 1 is fixedly attached to scaffold pipes 10 and 10, respectively. Thus, by supplying compressed air to the air cylinder 4, the piston rod 5 is extended and the chain 1
Since the cutting edges 0 and 10 are strained and the cutting edge 3 at the tip of the rock drill main body 2 is pressed against the concrete wall A or the fire-resistant wall to be digged, the drilling is performed by supplying compressed air to the rock drill main body 2. It becomes. Also, it is needless to say that the intermediate portion can be attached to the attachment portion 6 'using one chain instead of two chains 11 and both ends can be attached to the scaffold pipes 10, 10, respectively.

FIG. 6 shows a sixth embodiment of the rock drilling machine of the present invention, which is suitable for digging or digging a rock or a corner of a concrete wall. 4 is directly attached to one end of the scaffold pipe 1
A support member 14 such as a rubber band is hung by utilizing a zero, a stopper 16 is provided at a free end of the piston rod 5 via a base plate 12, and is locked and fixed to another wall surface B. Therefore, compressed air is supplied to the air cylinder 4 to extend the piston rod 5 and adjust the direction of the rock drilling machine body 2 supported by the elastic support member 14 so as to direct the cutting edge 3 of the rock drilling machine body 2 to a required portion. The rock edge or excavation can be performed by pressing the cutting edge 3 against a bedrock or a concrete wall A and supplying compressed air to the rock drill body 2. Further, the support member 14 is not limited to an elastic member such as a rubber band, and other members such as a chain can be used.

[0015]

According to the present invention, as described above, according to the present invention, a fluid jack such as an air cylinder is attached as a support device to a rock drill body, and the fluid jack is fixed by supplying a pressure fluid to the fluid jack. As the base point, the cutting edge of the rock drill is pressed against the part to be digged to perform the digging, so that a heavy rock drill can be easily held in any direction when digging a vertical wall or ceiling, etc. Since the jack provides a pressing force against the cutting edge of the rock drill, the excavating work can be further reduced, and the frequency of replacing the cutting edge is reduced to about 1/10, which is economical, so that it is economical. It is possible to easily adjust the direction of the cutting edge of the rock drilling machine and to improve the work efficiency.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a first embodiment of a rock drill of the present invention.

FIG. 2 is a schematic view showing a second embodiment of the rock drill of the present invention.

FIG. 3 is a schematic view showing a third embodiment of the rock drill of the present invention.

FIG. 4 is a schematic view showing a fourth embodiment of the rock drill according to the present invention.

FIG. 5 is a schematic view showing a fifth embodiment of the rock drill according to the present invention.

FIG. 6 is a schematic view showing a sixth embodiment of the rock drill of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rock drill 2 Rock drill body 3 Cutting edge 4 Air cylinder 5 Piston rod 6 Bracket 6 'Mounting part 7 Bracket 8 Bracket 10 Scaffolding pipe 11 Chain 12 Base plate 14 Supporting member 16 Stopper

Claims (1)

(57) [Scope of request for utility model registration] 1. A rock drilling machine comprising a rock jack mounted on a body of a rock drilling machine, wherein a cutting edge of the rock drilling machine can be pressed to a target location by supplying a fluid pressure to the fluid jack and the fluid jack is fixed as a base point.