KR20220141458A - Double acting hydraulic wedge type cylinder rod type packer equipped with support separation tab - Google Patents

Abstract

The present invention relates to a double action wedge-shaped cylinder rod packer including a support separation tab. More specifically, the double action wedge-shaped cylinder rod packer includes: a connector unit; a packer unit installed on one side and the other side of the connector unit; a hydraulic pipe penetrating the center of the inner surface of the packer unit and the connector unit in the longitudinal direction; a water pressure supply control unit supplying predetermined water pressure to the hydraulic pipe; a contracting hydraulic line installed on one side the hydraulic pipe at fixed intervals; a contracting hydraulic pressure supply unit supplying predetermined hydraulic pressure to the contracting hydraulic line; an elongating hydraulic line installed on the other side of the hydraulic pipe at fixed intervals; and an elongating hydraulic pressure supply unit supplying the predetermined hydraulic pressure to the elongating hydraulic line. The packer unit includes: a cylinder tube including the contracting hydraulic line and the elongating hydraulic line; a piston installed in the cylinder tube and moved in the longitudinal direction by the hydraulic pressure, wherein one side of the piston is in contact with the hydraulic pressure supplied to the cylinder tube; a wedge-shaped cylinder rod moving in the longitudinal direction and coming into contact with the other side of the piston; a support installed on the outer circumference on one side of the packer unit and expanded in the width direction at the same time when the wedge-shaped cylinder rod is inserted along the inner circumference of a cylinder rod cover formed on one side of the piston; and the support separation tab installed on one side of the cylinder rod cover, and smoothly inducing separation of the support inserted into the wedge-shaped cylinder rod when the wedge-shaped cylinder rod moves backward. The double action wedge-shaped cylinder rod packer including the support separation tab can smoothly induce the separation of the support inserted into the wedge-shaped cylinder rod by supporting one side of the support by the support separation tab.

Description

Double acting hydraulic wedge type cylinder rod type packer equipped with support separation tab

The present invention relates to a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab, and more particularly, when the wedge-type cylinder rod is retracted, by supporting one side of the support body through the support separation tab, It relates to a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab for smoothly guiding the separation of the fitted support.

Recently, as the need to create urban space utilization increases, the importance of underground space development is increasing. In Korea, since the bedrock layer is shallow, excavation of the underground bedrock is essential for the development of the underground space.

However, conventional rock excavation using explosives or rock crushers generates a lot of noise and vibration. Noise generated during rock excavation can cause civil complaints. In addition, vibrations generated during excavation may weaken the surrounding ground and cause the ground to collapse and cause cracks in facilities and buildings.

Currently, a vibration-free granite method is used to reduce noise and vibration during rock excavation. However, this vibration-free granite method has a problem in that the progress speed, which is the efficiency of the rock crushing operation, is significantly lowered, and there are serious limitations according to the actual working environment.

Therefore, in order to minimize the damage caused by noise and vibration generated during rock excavation, a low noise and low vibration rock excavator and method have been required. In addition, research to simplify the excavation process in order to save the time and cost required for excavation is being actively conducted.

In order to solve this problem, the present applicant has registered the Korean Patent Registration No. 10-2179939 (No. 11.11.2020, hereinafter referred to as "prior art") double-acting hydraulic wedge-type cylinder rod type packer.

However, in the prior art, after the packer is inserted into the perforation hole of the rock to crush the rock, the wedge-shaped cylinder rod is advanced, and the support is expanded in the width direction to seal the inner surface of the rock and then crush the rock. will perform

When the work of crushing the rock is finished, the support is reduced from the inner surface of the rock at the same time as the wedge-shaped cylinder rod is retracted and the packer must be removed. This insertion phenomenon occurs.

Accordingly, there is a problem in that the wedge-shaped cylinder rod cannot be retracted due to a pinching phenomenon between the wedge-shaped cylinder rod and the support, and because of this, the support cannot be reduced in the width direction and the packer cannot be removed from the drilling hole, To solve this problem, an improved invention was made.

Republic of Korea Patent Publication No. 10-2104260

The present invention has been devised in view of the above problems, and an object of the present invention is to support one side of the support through the support separation tab when the wedge-shaped cylinder rod is retracted, thereby separating the support inserted into the wedge-shaped cylinder rod. An object of the present invention is to provide a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab for smooth guidance.

Another object of the present invention is to promote the forward and backward movement of the wedge-shaped cylinder rod by hydraulic pressure through the double-acting packer unit and at the same time the support tightly seals the inner surface of the rock, thereby increasing the contact area and sealing force with the rock. To provide a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab for improving.

Another object of the present invention is a double-acting hydraulic wedge-type cylinder provided with a support separation tab for easily cutting the inner surface and end of the rock through hydraulic injection by installing a hydraulic nozzle at the middle end of the connector unit and the rear end of the packer unit. It is to provide a load type packer.

The purpose of the embodiments of the present invention is not limited to the above-mentioned purpose, and other objects not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the description below. .

According to a feature for achieving the above object, the present invention is a connector unit; a packer unit provided on one side and the other side of the connector unit; a water pressure pipe passing through the center of the inner surfaces of the connector unit and the packer unit in a longitudinal direction, and a water pressure supply control unit supplying water pressure of a predetermined pressure to the water pressure pipe; a contracted hydraulic pipe installed at a predetermined distance from one side of the hydraulic pipe, and a contracted hydraulic pressure supply unit configured to supply hydraulic pressure of a predetermined pressure to the contracted hydraulic pipe; An expansion hydraulic pipe installed at the other side of the hydraulic pipe spaced apart from each other by a predetermined distance, and an expansion hydraulic supply unit supplying hydraulic pressure of a predetermined pressure to the expansion hydraulic pipe; includes, wherein the packer unit includes the contracting hydraulic pipe and the expansion hydraulic pressure A cylinder tube including a tube, a piston provided in the cylinder tube and one side in contact with the hydraulic pressure supplied to the cylinder tube and moved in the longitudinal direction by the hydraulic pressure, and the other side of the piston in contact with the other side and moved in the longitudinal direction a wedge-shaped cylinder rod to be a support body provided on one outer circumferential surface of the packer unit and extending in the width direction at the same time as the wedge-shaped cylinder rod is inserted along the inner circumferential surface of the cylinder rod cover formed on one side of the piston, and the cylinder rod cover Double acting hydraulic wedge type cylinder rod type packer provided on one side and provided with a support separation tab including a support separation tab for smoothly inducing separation of the support fitted to the wedge-shaped cylinder rod when the wedge-shaped cylinder rod is retracted may be provided.

In addition, according to an embodiment of the present invention, the contracting hydraulic pipe and the expanding hydraulic pipe are formed to reciprocate in the longitudinal direction of the inner surfaces of the connector unit and the packer unit, so that the piston can move forward and backward in the longitudinal direction. A double-acting hydraulic wedge-type cylinder rod-type packer provided with a support separation tab manufactured in a molded shape may be provided.

In addition, according to an embodiment of the present invention, the hydraulic contracting pipe and the expansion hydraulic pipe, the expansion hydraulic inlet installed on one side of the packer unit, and a support separation tab further comprising a hydraulic shrinkage inlet installed on the other side of the packer unit A double acting hydraulic wedge type cylinder rod type packer provided with this may be provided.

In addition, according to an embodiment of the present invention, a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab, which is a urethane resin synthesized with rubber, may be provided as a material of the support.

In addition, according to an embodiment of the present invention, the water pressure supply control unit is a double-acting hydraulic wedge cylinder provided with a support separation tab in which a plurality of water pressure injection holes for cutting rock by spraying water pressure to the middle end and rear end of the water pressure pipe are formed. A rod type packer may be provided.

In addition, according to an embodiment of the present invention, the water pressure supply control unit is provided with a double-acting hydraulic wedge type cylinder rod type packer provided with a support separation tab further comprising a water pressure control unit for adjusting the water pressure transmitted to the water pressure pipe. can

In addition, according to an embodiment of the present invention, a first hole is formed on one side in the longitudinal direction of the shrinkage hydraulic pipe, and a second hole is formed on one side in the longitudinal direction of the wedge-shaped cylinder rod,

The first hole and the second hole are positioned so as to correspond to each other, and when the hydraulic pressure is introduced when the first hole and the second hole contact each other in the contracting hydraulic pipe, the wedge-shaped cylinder rod is the cylinder rod cover. A double-acting hydraulic wedge-type cylinder rod type packer having a support separation tab in which the first hole and the second hole are positioned at the same time as retreating along the inner circumferential surface of the can be provided.

In addition, according to an embodiment of the present invention, the support separation tab,

It is formed to protrude from one side of the cylinder rod cover to one side of the longitudinal center of the wedge-shaped cylinder rod,

When the wedge-shaped cylinder rod is retracted and the supporter 240 is caught in the wedge-shaped cylinder rod and retracted at the same time, the end of the support separation tab supports the end of the support to remove the support from the wedge-shaped cylinder rod. A double-acting hydraulic wedge-type cylinder rod type packer having a support separation tab to be separated may be provided.

According to the double-acting hydraulic wedge-type cylinder rod type packer provided with the support separation tab according to the present invention, when the wedge-shaped cylinder rod is retracted, by supporting one side of the support body through the support separation tab, the separation of the support inserted into the wedge-type cylinder rod has the effect of smoothly inducing

In addition, by promoting the forward and backward movement of the wedge-shaped cylinder rod by hydraulic pressure through the packer unit composed of a double-acting type, and at the same time, the support firmly seals the inner surface of the rock, thereby improving the contact area and sealing force with the rock. .

In addition, since the hydraulic nozzle is installed at the middle end of the connector unit and the rear end of the packer unit, there is an effect of easily cutting the inner surface and the end of the bedrock through the hydraulic spray.

1 is a plan view of a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab according to an embodiment of the present invention;
2 is a partial plan view showing a packer unit of a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab according to an embodiment of the present invention;
3 is a partial plan view for explaining the operation relationship of the packer unit of the double-acting hydraulic wedge-type cylinder rod type packer provided with the support separation tab according to an embodiment of the present invention;
4 (a), (b) is a partial plan view showing the operating state of the wedge-shaped cylinder rod and the support separation tab of the double-acting hydraulic wedge-type cylinder rod type packer provided with the support separation tab according to an embodiment of the present invention;
5 is a partial plan view showing a hydraulic nozzle of a double-acting hydraulic wedge-type cylinder rod type packer having a support separation tab according to an embodiment of the present invention;
6 is a cross-sectional view taken along line A-A' of FIG. 1;

The following objects, other objects, features and advantages of the present invention will be readily understood through the following preferred embodiments in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms.

Rather, the embodiments introduced herein are provided so that the disclosed subject matter may be thorough and complete, and that the spirit of the present invention may be sufficiently conveyed to those skilled in the art.

The embodiments described and illustrated herein also include complementary embodiments thereof.

In this specification, the singular also includes the plural, unless specifically stated otherwise in the phrase. As used herein, the terms 'comprise' and/or 'comprising' do not exclude the presence or addition of one or more other components.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific contents have been prepared to more specifically explain and help the understanding of the invention. However, a reader having enough knowledge in this field to understand the present invention may recognize that it can be used without these various specific details. In some cases, it is mentioned in advance that parts that are commonly known and not largely related to the invention in describing the invention are not described in order to avoid confusion in describing the invention.

1 is a plan view of a double-acting hydraulic wedge cylinder rod type packer provided with a support separation tab according to an embodiment of the present invention, and FIG. 2 is a double-acting hydraulic wedge type equipped with a support separation tab according to an embodiment of the present invention. It is a partial plan view showing the packer unit of the cylinder rod type packer, and FIG. 3 is a partial plan view for explaining the operation relationship of the packer unit of the double acting hydraulic wedge type cylinder rod type packer provided with the support separation tab according to an embodiment of the present invention 4 (a), (b) is a part showing the operating state of the wedge-shaped cylinder rod and the support separation tab of the double-acting hydraulic wedge-type cylinder rod type packer provided with the support separation tab according to an embodiment of the present invention 5 is a partial plan view showing a hydraulic nozzle of a double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab according to an embodiment of the present invention, and FIG. 6 is a view A-A' in FIG. It is one cross section.

1 to 6, the double-acting hydraulic wedge cylinder rod type packer provided with the support separation tab of the present invention is largely a connector unit 100, a packer unit 200, and a shrinkage hydraulic supply unit 300. and an expansion hydraulic supply unit 400 .

First, the connector unit 100 may be formed in a cylindrical shape made of a stainless material, and the packer units 200 to be described below are provided on both sides of the connector unit 100 so as to be symmetrical to each other.

In addition, a contracting hydraulic pressure pipe 310 and an expanding hydraulic pipe 410 extending from the contracting hydraulic supply unit 300 and the expanding hydraulic supply unit 400, which will be described below, are installed inside the connector unit 100 so that the contraction Hydraulic pressure is supplied from the hydraulic pressure supply unit 300 and the expansion hydraulic supply unit 400 to the contraction hydraulic pipe 310 and the expansion hydraulic pipe 410 .

That is, the connector unit 100 is configured to serve as a connector for connection between the packer units 200 .

The packer unit 200 may be formed in a cylindrical shape made of stainless steel, and may be provided on one side and the other side of the connector unit 100 , respectively.

At this time, between the connector unit 100 and the packer unit 200, the connector unit 100 and the packer unit 200 are coupled or separated through a separate bolt (B) to enable maintenance.

On the other hand, the packer unit 200 is largely, a piston 201, a cylinder tube 202, a wedge-shaped cylinder rod 210, a cylinder rod cover 230, a support body 240, and a support separation tab ( 250) is included.

The piston 201 is provided inside a cylinder tube 202 including the contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 , and has one side of the hydraulic pressure supplied to the cylinder tube 202 . It abuts and is moved in the longitudinal direction by the hydraulic pressure.

The piston 201 may be provided in any one of a vacuum state or a semi-vacuum state to adjust the strength of the hydraulic force.

In addition, when the piston 201 is provided with a pressing body on one side, when moving in the longitudinal direction by the expansion and contraction of the hydraulic pressure, it is revealed that there is an effect that a strong pressing is possible while promoting forward and backward movements.

In addition, the wedge-shaped cylinder rod 210 is in contact with the other side of the piston 201 and is moved in the longitudinal direction by the pressing force of the piston 201 .

On the other hand, one side of the wedge-shaped cylinder rod 210 is manufactured in a cone-shaped wedge shape, and one end of the wedge-shaped cylinder rod 210 is positioned so as to be in contact with one side of the supporter 240 to be described below or the supporter 240 . It may be provided in the form of a predetermined length inserted into the inner end.

The other side of the wedge-shaped cylinder rod 210 is formed so as to be in contact with the other side of the piston 201, and the wedge-shaped cylinder rod 210 moves in the longitudinal direction of the piston 201 and at the same time, the piston (201) Since it is in contact with the other side, the wedge-shaped cylinder rod 210 moves in the longitudinal direction and at the same time along the inner circumferential surface of the cylinder rod cover 230 formed on one side of the piston 201. The inner side of the support 240 to be described below. inserted at the end.

The supporter 240 is manufactured in a cylindrical shape, is provided on one outer peripheral surface of the packer unit 200, and the wedge-shaped cylinder rod 210 is inserted along the inner peripheral surface of the cylinder rod cover 202 and expanded in the width direction at the same time. This will seal the inner surface of the rock.

Here, the material of the support 240 may be a urethane resin synthesized with rubber.

The supporter 240 expands or contracts in the width direction according to the length into which the wedge-shaped cylinder rod 210 is inserted, and the supporter 240 seals the inner surface of the rock, and the wedge-shaped cylinder rod ( 210 supports the lower surface of the supporter 240 to prevent the supporter 240 from being reduced, thereby more firmly sealing the inner surface of the bedrock.

That is, the support 240 is separated from the packer unit 200 side, and when the hydraulic pressure is provided to the piston 201 , the piston 201 presses one side of the wedge-shaped cylinder rod 210 . At the same time, after the wedge-shaped cylinder rod 210 is inserted into the lower side of the support 240 along the inner circumferential surface of the cylinder rod cover 202, the support body is identical to the cone shape of the wedge-shaped cylinder rod 210. (240) is expanded in the width direction to tightly seal the inner surface of the rock.

4(a) and (b), the support separation tab 250 is configured to be provided on one side of the cylinder rod cover 230 .

More specifically, the support separation tab 250 is formed to protrude from one side of the cylinder rod cover 230 to one side of the longitudinal center of the wedge-shaped cylinder rod 210, and the support 240 is the When being inserted into the wedge-shaped cylinder rod 210 and retracted at the same time, the end of the support separation tab 250 supports the end of the support 240 to remove the support 240 from the wedge-shaped cylinder rod 210. It is a composition that separates smoothly.

Looking at the prior art described above, after the packer is inserted into the perforation hole of the rock in order to crush the rock, the wedge-shaped cylinder rod advances, and the support is expanded in the width direction to seal the inner surface of the rock, and then the rock is removed shredding will be performed.

When the crushing of the rock is finished, the wedge-shaped cylinder rod is retracted and the support is reduced from the inner surface of the rock, and then the packer must be removed. A phenomenon occurs or foreign substances are inserted, which causes a problem that the wedge-shaped cylinder rod cannot be retracted.

The present invention provides the support separation tab 250 on one side of the cylinder rod cover 230 in order to compensate for the above-described problems, and the support separation tab 250 when the wedge-shaped cylinder rod 210 is retracted. The end of the supporter 240 can be supported so that the supporter 240 can be smoothly separated from the wedge-shaped cylinder rod 210 .

Therefore, the support separation tab 250 can promote the smooth separation of the supporter 240 from the wedge-shaped cylinder rod 210 at the same time as the wedge-shaped cylinder rod 210 is retracted, and the By reducing the support 240 in the width direction, there is an effect that the packer can be easily removed from the drilling hole.

In addition, the support separation tab 250 may be manufactured in a cylindrical shape, but the present invention is not limited thereto, and it is disclosed that a person skilled in the art may have various shapes to support the end of the supporter 240 .

In addition, the support separation tab 250 may be manufactured integrally with one side of the cylinder rod cover 230 , or may be manufactured as a separate type and adhered through an adhesive means such as welding.

In addition, the support separation tab 250 may be made of a steel material to firmly support the end of the support body 240 made of urethane resin or the like.

In addition, the longitudinal stroke (Stroke) of the wedge-shaped cylinder rod 210 is preferably between 12 ~ 30 cm.

When the longitudinal stroke of the wedge-shaped cylinder rod 210 is less than 12 cm, the wedge-shaped cylinder rod 210 is inserted along the inner circumferential surface of the cylinder rod cover 202 to the lower side of the supporter 240 by a certain length. Therefore, there is a problem that the supporter 240 does not extend the proper length in the width direction so that the supporter 240 cannot seal the inner surface of the rock, and the longitudinal stroke of the wedge-shaped cylinder rod 210 is 30 cm, the wedge-shaped cylinder rod 210 is inserted into the lower side of the supporter 240 along the inner circumferential surface of the cylinder rod cover 202 for a certain length or more, so that the supporter 240 is damaged, or the width direction As it extends over a certain length, the supporter 240 forcibly seals the inner surface of the rock so that the supporter 240 cannot withstand the pressing force and is damaged, so the longitudinal stroke of the wedge-shaped cylinder rod 210 ( Stroke) is preferably between 12 and 30 cm.

In addition, at one position of one side of the connector unit 100 or one side of the packer unit 200, a water pressure nozzle 320 that is blown from the water pressure pipe 340 is installed, the water pressure nozzle 320 is installed at the middle end of the connector unit 100 and the rear end of the packer unit 200, so that the inner surface and the end of the rock can be cut through hydraulic spraying.

The hydraulic nozzle 320 may be installed in plurality in the longitudinal direction and the width direction, and the diameter of the circular sphere (not shown) formed in the hydraulic injection hole 320 may be variously changed, and the hydraulic nozzle ( 320) is installed eccentrically at a certain angle, so that it can be installed to respond according to the condition of the bedrock.

The water pressure supply control unit 330 is provided with a water pressure pipe 340 penetrating through the center of the inner surface of the connector unit 100 and the packer unit 200 in the longitudinal direction. of water pressure is supplied, and water pressure of a certain pressure is supplied to the water pressure injection port 320 side.

In addition, in the water pressure supply control unit 330 , a separate water pressure control unit (not shown) for controlling the water pressure transmitted to the water pressure pipe 340 may be installed. In the water pressure control unit, the water pressure pipe 340 ), it is possible to provide an appropriate water pressure by adjusting the water pressure and flow rate.

The contracted hydraulic pressure supply unit 300 is provided with a contracted hydraulic pipe 310 spaced apart from one side of the hydraulic pipe 340 to supply hydraulic pressure of a certain pressure toward the contracted hydraulic pipe 310 .

In the expansion hydraulic supply unit 400 , the expansion hydraulic pipe 410 installed at a predetermined interval is installed on the other side of the water pressure pipe 340 to supply hydraulic pressure of a certain pressure toward the expansion hydraulic pipe 410 .

The contracted hydraulic supply unit 300 and the expanded hydraulic supply unit 400 are provided with a contracted hydraulic pipe 310 and an expandable hydraulic pipe 410 installed at a predetermined distance from the hydraulic supply control unit 330, so that the A hydraulic pressure of a certain pressure is supplied to the contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 .

Here, the contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 are formed to reciprocate in the longitudinal direction of the inner surfaces of the connector unit 100 and the packer unit 200, so that the piston 201 is moved in the longitudinal direction. It is manufactured as a double-acting type that can move forward and backward.

Here, a plurality of set screws 203 are installed on the outer peripheral surfaces of the connector unit 100 and the packer unit 200 to support the water pressure pipe 340, the expansion hydraulic pipe 410, and the shrinkage hydraulic pipe 310. have.

In addition, the contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 are provided with an expansion hydraulic inlet 420 for introducing hydraulic pressure to one side of the packer unit 200 , and hydraulic pressure on the other side of the packer unit 200 . As the contracting hydraulic inlet 430 for contracting is installed, the expansion and contraction of the hydraulic pressure can be repeated.

On the other hand, a first hole 450 is formed on one side in the longitudinal direction of the hydraulic shrinkage pipe 310 , and a second hole 460 is formed on one side in the longitudinal direction of the wedge-shaped cylinder rod 210 .

Through this, the first hole 450 and the second hole 460 are positioned to correspond to each other, and the first hole 450 and the second hole 460 in the shrinkage hydraulic pipe 310 when contracted. When the two abut, hydraulic pressure is introduced, and the wedge-shaped cylinder rod 210 is retracted along the inner circumferential surface of the cylinder rod cover 230, and at the same time, the first hole 450 and the second hole ( 460) is placed in the correct position, and the packer unit 200 is converted into a standby state.

Therefore, according to the double-acting hydraulic wedge-type cylinder rod type packer provided with the support separation tab according to the present invention, when the wedge-type cylinder rod is retracted, by supporting one side of the support body through the support separation tab, the support fitted to the wedge-type cylinder rod It has the effect of inducing smooth separation of

In addition, by promoting the forward and backward movement of the wedge-shaped cylinder rod by hydraulic pressure through the packer unit composed of a double-acting type, and at the same time, the support firmly seals the inner surface of the rock, thereby improving the contact area and sealing force with the rock. .

In addition, since the hydraulic nozzle is installed at the middle end of the connector unit and the rear end of the packer unit, there is an effect of easily cutting the inner surface and the end of the bedrock through the hydraulic spray.

The embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention and do not represent all the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be variations and examples.

100: connector unit 200: packer unit
201: piston 202: cylinder tube
203: set screw 210: wedge-shaped cylinder rod
230: cylinder rod cover 240: support
250: support separation tab 300: shrink hydraulic supply unit
310: shrink hydraulic pipe 320: hydraulic nozzle
330: water pressure supply control unit 340: water pressure pipe
400: expansion hydraulic supply unit 410: expansion hydraulic pipe
420: expansion hydraulic inlet 430: contraction hydraulic inlet

Claims (8)

connector unit 100;
a packer unit 200 provided on one side and the other side of the connector unit 100;
A water pressure pipe 340 passing through the center of the inner surface of the connector unit 100 and the packer unit 200 in the longitudinal direction, and a water pressure supply control unit 330 for supplying water pressure of a certain pressure to the water pressure pipe 340 ;
The hydraulic pressure pipe 340 is spaced apart from one side of the contracted hydraulic pipe 310 installed at a predetermined distance, and the contracted hydraulic pressure supply unit 300 for supplying hydraulic pressure of a certain pressure to the contracted hydraulic pipe 310;
The hydraulic pipe 340, the expansion hydraulic pipe 410 is installed spaced apart from the other side, and the expansion hydraulic supply unit 400 for supplying hydraulic pressure of a certain pressure to the expansion hydraulic pipe 410; including;
The packer unit 200,
A cylinder tube 202 including the contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 and the hydraulic pressure provided in the cylinder tube 202 and supplied to the cylinder tube 202 match one side. A piston 201 that touches and moves in the longitudinal direction by the hydraulic pressure, a wedge-shaped cylinder rod 210 that comes into contact with the other side of the piston 201 and moves in the longitudinal direction, is provided on one outer peripheral surface of the packer unit 200 And the wedge-shaped cylinder rod 210 is inserted along the inner circumferential surface of the cylinder rod cover 230 formed on one side of the piston 201, and at the same time the support body 240 expands in the width direction, and the cylinder rod cover 230 It is provided on one side, and when the wedge-shaped cylinder rod 210 is retracted, it comprises a support separation tab 250 for smoothly guiding the separation of the supporter 240 fitted in the wedge-shaped cylinder rod 210. A double-acting hydraulic wedge cylinder rod type packer equipped with a support separation tab.
The method according to claim 1,
The contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 are,
The support separation tab is formed to reciprocate in the longitudinal direction of the inner surfaces of the connector unit 100 and the packer unit 200, and is manufactured as a double-acting type capable of moving the piston 201 forward and backward in the longitudinal direction. Double acting hydraulic wedge cylinder rod type packer provided.
3. The method according to claim 2,
The contracting hydraulic pipe 310 and the expanding hydraulic pipe 410 are,
Double-acting hydraulic type provided with a support separation tab, characterized in that it further comprises an expansion hydraulic inlet 420 installed on one side of the packer unit 200 and a contraction hydraulic inlet 430 installed on the other side of the packer unit 200 Wedge cylinder rod type packer.
The method according to claim 1,
The material of the support 240 is a double-acting hydraulic wedge-type cylinder rod type packer having a support separation tab, characterized in that it is a urethane resin synthesized with rubber.
The method according to claim 1,
The water pressure supply control unit 330,
A double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab, characterized in that a plurality of water pressure injection holes 320 for cutting the rock by spraying water pressure to the middle and rear ends of the water pressure pipe 340 are formed.
The method according to claim 1,
The water pressure supply control unit 330,
A double-acting hydraulic wedge-type cylinder rod type packer having a support separation tab, characterized in that it further comprises a water pressure control unit for controlling the water pressure transmitted to the water pressure pipe (340).
The method according to claim 1,
A first hole 450 is formed on one side in the longitudinal direction of the hydraulic shrinkage pipe 310, and a second hole 460 is formed on one side in the longitudinal direction of the wedge-shaped cylinder rod 210,
The first hole 450 and the second hole 460 are positioned to correspond to each other, and when the first hole 450 and the second hole 460 come into contact with each other in the contracted hydraulic pipe 310 . When hydraulic pressure is introduced, the wedge-shaped cylinder rod 210 is retracted along the inner circumferential surface of the cylinder rod cover 230, and the first hole 450 and the second hole 460 are positioned at the same time. A double-acting hydraulic wedge-type cylinder rod type packer equipped with a support separation tab.
The method according to claim 1,
The support separation tab 250 is,
It is formed to protrude from one side of the cylinder rod cover 230 to one side of the longitudinal center of the wedge-shaped cylinder rod 210,
When the wedge-shaped cylinder rod 210 is retracted and the supporter 240 is inserted into the wedge-shaped cylinder rod 210 and retracted at the same time, the end of the support separation tab 250 is the end of the supporter 240 . A double-acting hydraulic wedge-type cylinder rod type packer provided with a support separation tab, characterized in that it smoothly separates the supporter 240 from the wedge-shaped cylinder rod 210 by supporting it.

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