KR101313318B1 - Excavator - Google Patents

Abstract

The present invention relates to a perforator, a main body, a leader supported by the main body, a head portion moving along the longitudinal direction of the reader, a rod coupled to the head portion and moved by the head portion to perforate the drilled target area; And a guide part which is moved along the longitudinal direction of the leader by the head part and is provided with a plurality of grip arms for holding the outer circumferential surface of the rod to support the rod so that the center line of the rod is coaxial with the head part.
The perforator according to the present invention has a merit that the rod coupled to the head by the guide part is positioned on the coaxial head of the head without shaking, so that the drilling work of the rod and the connection work of the new rod are easy, thereby saving the working time. have.

Description

Drilling Machine {Excavator}

The present invention relates to a perforator, and more particularly, to a perforator provided with guide means for supporting and guiding the rod so that the rod which is lifted by the head part and bores the ground is positioned coaxially with the head part.

In general, the perforator is a device for drilling deep holes drilled from the ground to the ground for drilling work, soil inspection, groundwater development.

The conventional technology of the perforator is disclosed in Korean Patent Publication No. 0624233.

The prior art perforator has a main body equipped with a driving device such as an engine, a leader supported by the main body, a head portion sliding on the reader and generating a lifting or rotating force by the driving device of the main body, and connected to the head portion of the head. The rod is lifted or rotated by a part, and is provided at the tip of the rod, and is lifted or rotated together with the rod, and an excavation unit for drilling the ground.

The excavation unit is composed of a bit for hitting the ground to be excavated, and a hammer operated by hydraulic pressure to impart the force to the bit. In addition, the hydraulic pressure transmission to the excavation unit is possible by installing a separate hydraulic line on the rod.

Such a perforator is drilled to a predetermined depth by the bit of the excavation unit hitting the rotation or the ground. As the ground is excavated, the drilling units and rods are introduced into the ground. The length of the rod is extended by connecting the rod by the depth that the excavation unit and the rod are drawn into the ground.

On the other hand, at the end of the leader close to the ground so as to support the rod connected to the excavation unit is provided with a rod clamp is inserted into the gripping.

The joining of the rod consists of the process of separating the head from the rod that is inserted into the ground with the excavation unit and gripped by the rod clamp, and then joining the new rod to the head and joining it to the rod held by the rod clamp. .

However, when the rod is coupled in the above manner, since no additional means for supporting the new rod coupled to the head portion is provided, the new rod is shaken. The swinging of the new rods has a difficulty in aligning the engagement positions of the new rods with the engagement positions of the rods held by the rod clamps. Therefore, the task of connecting the rod was inconvenient.

The present invention has been made to improve the above problems, and to provide a perforator provided with a guide means for supporting and guiding the rod coupled to the head portion to prevent the shaking occurs in the rod coupled to the head portion Its purpose is to.

The perforator according to the present invention for achieving the above object, a leader supported by the main body, a head portion moving along the longitudinal direction of the leader, coupled to the head portion is moved by the head portion And a rod for drilling the target area to be drilled and moved along the longitudinal direction of the leader by the head, and supporting the rod so that the center line of the rod is coaxial with the head. And a guide part provided with a plurality of gripping arms for gripping.

The guide part is slidably installed along the leader in a longitudinal direction, the housing having an interference part interfering with the head part so as to be moved by the head part, and one end rotatably installed in the housing, The first gripping arm extending in a direction away from the first gripping arm, the first gripping arm being rotatably installed, and a first gripping space formed at an inner side of the first gripping arm to grip the rod; And a second gripping arm extending to correspond to the arm, and a rotating member pivoting the other ends of the first and second gripping arms to be adjacent to each other so as to grip the rod inserted into the gripping space.

Preferably, the guide part includes a plurality of friction protrusions protruding from inner surfaces of the first and second gripping arms that are opposed to each other so as to improve the gripping force of the first and second gripping arms relative to the second rod. Do.

The interference portion is installed in the housing, the extension member extending along the longitudinal direction of the leader in a direction adjacent to the head portion, and is installed at the end of the extension member in a position separated from the housing, by the head portion It is further provided with a departure preventing member protruding from the extension member toward the head portion.

The perforator according to the present invention has a merit that the rod coupled to the head by the guide part is positioned on the coaxial head of the head without shaking, so that the drilling work of the rod and the connection work of the new rod are easy, thereby saving the working time. have.

1 is a side view of a perforator according to an embodiment of the present invention,
FIG. 2 is a side view of the leader, head, and guide of the perforator of FIG. 1,
Figure 3 is a perspective view of the guide portion of the punching machine of Figure 1,
4 is a cross-sectional view of the guide unit of the puncher of FIG.

Hereinafter, a perforator according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in more detail.

1 to 4 show a perforator 10 according to the invention.

Referring to the drawings, the perforator 10 includes a main body 20, a leader 30 supported by the main body 20, a head portion 40 moving along a longitudinal direction of the leader 30, The rod 50 coupled to the head portion 40 and moved by the head portion 40 to puncture a region to be drilled, and moves along the longitudinal direction of the leader 30 by the head portion 40. And a guide part provided with a plurality of grip arms for holding the outer circumferential surface of the rod 50 to support the rod 50 so that the center line of the rod 50 is coaxial with the head part 40. 60).

The main body 20 is provided with a moving means 21 so as to move with respect to the ground at the bottom, and the upper rotating cylinder for rotating the excavating member 52 and the leader 30 installed at the end of the rod 50 to be described later ( Hydraulic pressure supply means 22 for supplying hydraulic pressure to 37 is provided.

Meanwhile, in the illustrated example, the moving means 21 for moving the main body 20 has been described with a structure having an endless track, but the moving means 21 is not limited to the illustrated example, but may include a plurality of transfer wheels. It may be.

The leader 30 is rotatably installed in the front portion of the main body 20 and extends a predetermined length along the vertical direction. At this time, the leader 30 is rotated with respect to the main body 20 by the rotating member (95).

The rotating member 95 is rotatably installed at one end on the upper side of the main body 20 and the other end on the rear surface of the leader 30, and is a hydraulic actuator that is stretched by the hydraulic pressure supplied from the hydraulic supply means 22. It is preferable.

On the front surface of the reader 30, a rail is formed so that the housing 70 of the guide unit 60, which will be described later, is slidably coupled to the reader 30. The rail extends along the extending direction of the leader 30.

On the other hand, at the lower end of the leader 30 adjacent to the ground to be drilled, when the new rod 50 is coupled to the upper surface of the rod 50 drawn into the ground rod clamp 32 for holding the rod 50 inserted into the ground It is installed.

Although not shown in the drawing, the rod clamp 32 protrudes forward at the end of the leader 30 and has a through hole corresponding to the cross section of the rod 50 so that the rod 50 can be inserted through the upper surface thereof. The restraint block is formed, and the restraint unit is installed on the upper leader 30 of the restraint block to hold the outer circumferential surface of the rod 50 inserted into the through hole.

Although not shown in the drawing, the binding unit is installed on the front surface of the leader 30 at the mutually opposite position with respect to the extension line of the through-hole center line of the restraint block, respectively. A moving actuator is provided.

When the new rod 50 is coupled to the upper end of the rod 50 drawn into the ground, the restraining bars of the binding unit move in a direction adjacent to each other to grip the outer circumferential surface of the rod 50 inserted into the through hole of the restraining block.

When the coupling of the rods 50 is completed, the restraining bars of the binding unit are moved in a direction spaced apart from each other to separate from the outer peripheral surface of the rod 50. At this time, the operator operates the head 40 to draw the rod 50 to the ground.

The head part 40 is slidably installed on the front surface of the leader 30 and moves along the longitudinal direction of the leader 30 by lifting means, although not shown in the drawing. The lower surface of the head portion 40 is provided with a coupling portion to which the upper end of the rod 50 is coupled.

The head portion 40 is installed in the leader 30 of the puncher 10 and is generally used as a device for lifting or lowering the rod 50. Detailed description thereof will be omitted.

The rod 50 has a circular cross section, is formed to extend a predetermined length in the vertical direction, the upper surface is formed with a coupling hole (not shown) in the vertical direction, the lower surface to be inserted into the coupling hole of the adjacent rod 50 A coupling protrusion having a cross section of a size corresponding to the coupling sphere is formed.

Meanwhile, an excavation member 52 is installed at the shortest end of the rod 50 so as to excavate the ground to be drilled, and although not shown in the drawing, the hydraulic supply means of the main body 20 ( A hydraulic line is formed so that hydraulic pressure can be supplied from the 22 to the digging member 52.

Even though a plurality of rods 50 are coupled to each other, the hydraulic lines of the rods 50 may be formed to penetrate in the vertical direction of the rod 50 so as to communicate with each other.

The guide part 60 is installed in the reader 30 so as to be slidable along the longitudinal direction, and the housing 70 having the interference part 75 interfering with the head part 40 so as to be moved by the head part 40. ), One end is rotatably installed in the housing 70, the first grip arm 80 extending in a direction away from the housing 70, and one end is rotatably installed in the housing 70. The second gripping arm 90 extended to correspond to the first gripping arm 80 so that a gripping space for gripping the rod 50 may be formed on an inner side of the first gripping arm 80. And a rotating member 95 for rotating the other ends of the first and second gripping arms 80 and 90 to be adjacent to each other to hold the rod 50 inserted into the gripping space.

The housing 70 includes a base member 71 and a base member 71 having a sliding groove 74 corresponding to a cross section of the rail formed on a lower surface of the housing 70 so as to be slidably installed along the rail protruding from the leader 30. The first support plate 72 and the second support plate 73 are formed to protrude forward at positions spaced apart from each other in the longitudinal direction of the leader 30 on the upper surface of the).

The base member 71 is formed in a plate shape having a predetermined thickness, and supporting arms protruding rearward from each end are formed at both ends so that the sliding groove 74 is formed at the lower side. The support arm extends to be bent in a direction adjacent to each other so as to prevent the base member 71 from being separated from the rail.

The first and second support plates 72 and 73 are formed in a plate shape having a predetermined thickness, and are formed in a trapezoid such that the first and second grip arms 80 and 90 and the rotation member 95 can be easily installed. do.

One end of the interference portion 75 is fixed to the bottom surface of the base member 71, the other end of the extension member 76 extending along the longitudinal direction of the leader 30 in a direction adjacent to the head portion 40, and a housing. A separation preventing member 77 installed at an end of the extension member 76 at a position spaced from the 70 and protruding from the extension member 76 toward the head portion 40 so as to be interfered by the head portion 40. ).

The extension member 76 is formed in a plate shape having a predetermined thickness and is passed between the head portion 40 and the leader 30 moving along the longitudinal direction to the leader 30.

The separation preventing member 77 may be formed to be larger than the separation distance from the front surface of the extension member 76 to the rear surface of the head portion 40 so as to interfere with the upper surface of the head portion 40.

The first gripping arm 80 has one end hinged by a pin between the first and second supporting plates 72 and 73 and extended in a direction away from the base member 71 with respect to the hinge axis. 81 and the second gripping portion 82 which is formed at an end of the first gripping portion 81 and is inclined in the hinge axis direction at a predetermined angle with respect to the extending direction of the first gripping portion 81. Equipped.

Since the second gripping portion 82 is formed to be inclined at a predetermined angle with respect to the first gripping portion 81, the contact area of the first gripping arm 80 with respect to the curved outer circumferential surface of the rod 50 may be increased.

The second gripping arm 90 has one end hinged coaxially with the hinge axis of the first gripping arm 80 and extends in a direction away from the base member 71 based on the hinge axis. And a fourth gripping portion 92 extending at an end portion of the third gripping portion 91, the fourth gripping portion 92 being inclined in the hinge axis direction at a predetermined angle with respect to the extending direction of the third gripping portion 91. .

Since the fourth gripping portion 92 is formed to be inclined at a predetermined angle with respect to the third gripping portion 91, the contact area of the second gripping arm with respect to the curved outer circumferential surface of the rod 50 may be increased.

Meanwhile, in the illustrated example, the first and second gripping arms 80 and 90 have been described in which the first and second supporting plates 72 and 73 are rotatably installed by the same pin. The arms 80 and 90 are not limited to the illustrated example but may be rotatably installed in the housings 70 at positions spaced apart from each other.

The first and second grip arms 80 and 90 are provided with a plurality of friction protrusions 85 protruding from the inner surface facing each other. The friction protrusion 85 increases the frictional force on the rod 50, thereby improving the gripping force of the first and second gripping arms 80 and 90 with respect to the rod 50.

Rotating member 95 is one end is rotatably installed on the end of the first gripping arm 80, the other end is the first cylinder rotatably installed between the first and second support plates (72, 73) opposed to the one end 96 and one end is rotatably installed at the end of the second gripping arm, and the other end is rotatably installed between the first and second support plates 72 and 73 opposite to the one end. Equipped.

Preferably, the first and second cylinders 96 and 97 are hydraulic actuators that operate by receiving hydraulic pressure by the hydraulic pressure supply means 22 of the main body 20.

Referring to the operation of the guide unit 60 according to the present invention configured as described above in detail as follows.

First, the operation target rod 50 is coupled to the head portion 40. When the coupling of the rod 50 to the head portion 40 is completed, the first and second cylinders 96 and 97 are operated to rotate so that the other ends of the first and second grip arms 80 and 90 are adjacent to each other. Let's do it.

The operation of the first and second cylinders 96 and 97 causes the rod 50 to contact the inner surfaces of the first and second grip arms 80 and 90, and the first and second cylinders 96 and 97. The first and second grip arms 80 and 90 grip the outer circumferential surface of the rod 50 by the hydraulic pressure supplied thereto.

The guide part 60 moves in the longitudinal direction of the reader 30 by the head part 40, and the first and second parts may be prevented from occurring in the rod 50 when the head part 40 moves. The rod 50 is held by the gripping arms 80 and 90 so as to hold the rod 50 at a position spaced apart from the head portion 40 so that the center line of the rod 50 is coaxial with the head portion 40. do.

As mentioned above, the punching machine 10 according to the present invention is a rod 50 coupled to the head portion 40 by the guide portion 60 is guided so that the rod is located on the coaxial axis of the head portion 40 without shaking. The drilling operation of 50 and the connection work of the new rod 50 are easy, and there is an advantage of saving work time.

Although the present invention has been described with reference to the embodiments illustrated in the drawings, these are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

10: perforator
20: main body
30: Leader
40: head part
50: loading
60: guide part
70: housing
80: first phagearm
90: second phagearm
95: rotating member

Claims (4)

A body;
A leader supported by the main body;
A head unit moving along the longitudinal direction of the leader;
A rod coupled to the head to move by the head and to drill the ground to be drilled;
The rod is moved along the longitudinal direction of the leader by the head part, and when the other rod is coupled to the top of the rod drawn into the ground, the rod coupled to the head portion is inserted into the ground. And a guide part provided with a plurality of gripping arms for gripping another outer circumferential surface of the rod so as to be positioned coaxially with each other.
The guide portion
A housing slidably installed in the reader in a longitudinal direction and provided with an interference part that interferes with the head part so as to be moved by the head part;
A first gripping arm having one end rotatably installed in the housing and extending in a direction away from the housing;
A second gripping arm having one end rotatably installed in the housing and extending to correspond to the first gripping arm so that a gripping space for gripping the rod may be formed on an inner side of the first gripping arm; ,
Rotating the other end of the first and second gripping arm so as to be adjacent to each other to hold the rod inserted into the gripping space, one end is rotatable to the first gripping arm to rotate the first gripping arm The other end is rotatably installed in the housing, one end and the other end is rotatably installed on the second gripping arm so as to rotate the first and the second grip arm, the second gripping arm, The other end is rotatably installed in the housing, provided with a rotating member including a second cylinder, one end and the other end is stretched,
The first gripping arm is rotatably installed at one end of the first gripping arm, and extends at the other end of the first gripping part and the first gripping part with the other end extending away from the housing, and extending from the first gripping part. A second gripping portion extending inclined so as to protrude inwardly of the gripping space with respect to a direction;
The second gripping arm is rotatably installed at one end of the second gripping arm, and the other end of the second gripping arm extends away from the housing and is formed at the other end of the third gripping part, and extends from the third gripping part. A fourth gripping portion extending inclined so that an end portion protrudes inwardly of the gripping space with respect to a direction;
The guide portion protrudes from an inner surface of the first and third holding portions and an inner surface of the second and fourth holding portions that are opposed to each other so as to improve the holding force of the first and second holding arms with respect to the rod. Perforator characterized in that it further comprises a plurality of friction protrusions formed.
delete delete The method of claim 1,
The interference unit
An extension member installed in the housing and extending along the longitudinal direction of the leader in a direction adjacent to the head;
And a separation prevention member protruding from the extension member toward the head portion and installed at an end portion of the extension member at a position spaced from the housing and interfering with the head portion.

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