KR101485026B1 - Drilling core cutting device for geological survey and drilling core cutting method using the same - Google Patents

Abstract

The present invention relates to a drilling core cutting apparatus and a drilling core cutting method using the drilling core. More particularly, the present invention relates to a drilling core cutting apparatus using a circular sample tube.
Particularly, the present invention is capable of collecting a core sample using a circular sample tube, thereby preventing damage to the core sample during drilling, and, in addition, Since only the sample tube surrounding the sample can be cut, it can be used in conjunction with various types of drilling equipment.
In addition, the present invention effectively removes the heat generated during incision of the sample tube, thereby preventing the change of the characteristics of the core sample due to heat, thereby improving the reliability of analysis results of the drilling core.
Therefore, it is possible to improve the reliability and competitiveness in the field of geological survey, particularly in relation to the storage technology of drilling cores for geological survey, as well as in similar or related fields.

Description

Technical Field [0001] The present invention relates to a drilling core cutting apparatus and a drilling core cutting method using the drilling core cutting apparatus,

The present invention relates to a drilling core cutting apparatus and a drilling core cutting method using the same. More particularly, the present invention relates to a drilling core cutting method using a circular sample tube.

More particularly, the present invention relates to a drilling core cutting apparatus for cutting a core tube of a drilling core having various diameters while preventing damage of a core sample while cutting a core tube, and a drilling core cutting method using the same .

Geological surveys are carried out in order to clarify the geological phenomena such as the distribution and interrelationship of rocks and sediments in some areas, geological age, geological structure, etc., and basic data for the development of natural resources, rational utilization of the land, establishment of geological system .

In this geological survey, the method of excavating the ground and sampling the ground sample must be performed for the determination of the parameters required for designing in almost all engineering works. It is necessary to acquire and analyze the physical and chemical property information of the ground, It is a process that must be performed in order to obtain various ground layer data of the target ground to be constructed.

According to the excavation method, there is an impact type in which a bit is impacted to crush the pile layer and pierced, and a rotary type in which a bit in which a diamond or a cemented carbide is inserted is pushed and rotated around a deposit is pierced.

Particularly, in rotary drilling, a rod-like core sample called a drilling core can be extracted, so that good results can be obtained in the geological survey.

Generally, core samples are split into two portions, some of which are sent for analysis and others are stored and utilized for quality control of the analysis.

The analysis of the core samples is carried out through the scanning process, the type of sediment layer, the sediment layer classification, and the discontinuity development status by the depth, and the drilling column chart is created. The creation of drilling column charts is called core logging, and drilling column charts have important value as construction and research data.

At this time, since core samples used for construction or research can not be analyzed within a short time, drilled core samples are stored in a storage box and used when necessary.

Therefore, it is necessary to store the core samples obtained by rotary drilling in two, and it is general to store the core samples in the lengthwise direction in two.

On the other hand, in Korean Utility Model Laid-Open No. 20-0357159 entitled " Inner tube disconnection type sampling device "(hereinafter referred to as prior art), an inner tube used for sampling a core sample is cut into a sample- (Drilling apparatus), and a core sample is sampled to include a technique for separating the core sample even if the inner tube, which is the sample tube after the extraction of the core sample, is not performed.

The reason for sampling the core sample using the sample tube cut in the prior art is that it is difficult to cut the sample tube to separate the core after collecting the core sample. Particularly, the heat generated in the process of cutting the sample tube not only causes deformation in the cut portion of the sample tube, but also can cause a change in characteristics of the core sample due to heat. Therefore, There was a problem.

However, when the core sample is drilled while the sample tube is incised, the incision portion of the divided sample tube may be damaged during the rotary drilling process. As a result, the core sample is damaged or destroyed, .

Therefore, it is preferable that the core of the drilling core taken by the rotary drilling be sampled in a state where the circular sample tube is used as it is, and then the sample tube is easily cut so that the drilling core is divided.

Korean Utility Model Registration No. 20-0357159 entitled "Inner tube disconnection type sampling device"

It is an object of the present invention to provide a drilling core cutting apparatus for use in a geological tank capable of easily dividing a drilling core obtained by collecting a core sample using a circular sample tube and a drilling core cutting method using the same. have.

Particularly, the present invention provides a drilling core cutting device for drilling a core tube of a drilling core, which can cut only a sample tube wrapping a core sample while preventing damages of a core sample, and a drilling core cutting method using the same There is a purpose.

In addition, the present invention provides a drilling core cutting apparatus for a lipid boring which can prevent a characteristic change of a core sample due to heat by effectively removing heat generated during cutting of a sample tube, and a drilling core cutting method using the same There is a purpose.

In order to accomplish the above object, the present invention provides a drilling core cutting apparatus for a geological drilling apparatus, comprising: a base portion placed at a center so that a drill core is placed in a longitudinal direction; A first support part formed on an upper side of the base part and supporting one side of the cradle; A second supporting part formed at another side of the upper part of the base part and supporting another side of the cradle; And a third support portion formed on an upper portion of at least one of the first support portion and the second support portion to support an upper side of the drill core.

At least one of the first support portion and the second support portion is coupled to the upper surface of the base portion so as to be reciprocally movable in the lateral direction and the third support portion is fixed to the center portion of the base portion, As shown in Fig.

At least one of the first support portion and the second support portion may include a side support module in which at least one support roller is formed toward the center portion of the base portion; A cutting module configured on the upper side of the side support module to cut a side surface of the sample tube of the drill core; And a guide module coupled to the upper portion of the cutting module so as to be slidable in a vertical direction.

In addition, the cutting module may include a cutter configured to be exposed at least partially toward a central portion of the base portion.

Further, a cooling line for cooling the cutter may be further provided inside the cutting module.

In addition, the cutting module may be coupled to the upper side of the side support module so as to be reciprocally movable laterally.

In addition, the guide module may include: an upper and lower tongues connected to an upper portion of the cutting module so as to be slidable in a vertical direction; And a support arm extending from the upper and lower tongues toward a central portion of the base portion, and the third support portion being movably coupled in a lateral direction.

Further, in the process of moving the first support arm and the second support arm in the lateral direction, between the first support arm constituted by the first support portion and the second support arm constituted by the second support portion, An interval adjusting module may be configured to fix the position toward the center of the base portion.

Further, the gap adjusting module may include: a first rack gear fixed to the first support arm; A second rack gear mounted solidly on the second support arm; And a pinion gear that is gear-coupled between the first rack gear and the second rack gear and is rotatably coupled to the third support portion.

The pivot shaft of the pinion gear may be connected to the third support portion by a ring-type bearing.

Also, the drilling core cutting method using the drilling core cutting apparatus according to the present invention may include: a drilling core seating step in which a drilling core is placed on an upper portion of a base of the drilling core drilling apparatus; A supporting step of supporting both sides of the cradle by moving the first supporting part and the second supporting part of the drilling core cutting device; Supporting the upper part of the drilling core by moving the third support part; And a drilling core cutting step of cutting both sides of the sample tube of the drilling core using the first cutting module and the second cutting module of the drilling core cutting device.

The sample tube cutting step may include: a cutter position adjusting step of bringing the first cutter of the first cutting module and the second cutter of the second cutting module into close contact with both sides of the sample tube; And a sample tube cutting step of operating the first cutter and the second cutter and cutting both sides of the sample tube while moving the holder in the longitudinal direction.

According to the above-mentioned solution, the present invention can easily divide the drilling core obtained by collecting the core sample using the circular sample tube, thereby preventing the core sample from being damaged during drilling, It is possible to easily perform post-harvest analysis and the like.

Particularly, since the present invention can cut only the sample tube surrounding the core sample while preventing damage to the core sample with respect to the drilling cores having various diameters, it can be used in connection with various types of drilling apparatuses.

In addition, the present invention effectively removes the heat generated during incision of the sample tube, thereby preventing the change of the characteristics of the core sample due to heat, thereby improving the reliability of analysis results of the drilling core.

Therefore, it is possible to improve the reliability and competitiveness in the field of geological survey, particularly in relation to the storage technology of drilling cores for geological survey, as well as in similar or related fields.

FIG. 1 is a perspective view illustrating an embodiment of a drilling core cutting apparatus for use in the present invention. FIG.
2 is a partially enlarged perspective view for explaining the support portion of FIG.
3 is an operational state diagram of Fig.
4 is a use state diagram of Fig.
5 is an exploded perspective view illustrating an embodiment of a drilling core and a cradle shown in Fig.
6 is a flowchart illustrating an embodiment of a drilling core cutting method using a drilling core cutting apparatus according to the present invention.
FIGS. 7 to 10 are views for explaining a process of operating the cutting apparatus of FIG. 1 by referring to FIG.
FIG. 11 is a partially enlarged view illustrating an embodiment of the cutting module of FIG. 1; FIG.
12 is a partially enlarged perspective view for explaining an embodiment of the gap adjusting module formed inside the portions 'a' and 'b' of FIG.

The present invention can be applied to various types of drilling core cutting apparatuses and drilling core cutting methods using the same, and the most preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view illustrating an embodiment of a drilling core cutting apparatus according to the present invention, FIG. 2 is a partially enlarged perspective view for explaining a support of FIG. 1, and FIG. 3 is an operational state view of FIG.

Referring to FIG. 1, a drilling core cutting apparatus A includes a base portion 100, a first support portion 200, a second support portion 300, and a third support portion 400.

In the base portion 100, the drilling core to be nested is placed in the center portion in the longitudinal direction (from the upper right to the upper left in Fig. 1). At this time, the drilling core is placed on the base portion 100 in a state of being placed on the mount stand.

The first support part 200 is formed on one side of the upper part of the base part 100 and supports one side of the base part 100. The first support part 200 is formed on the upper surface of the base part 100 in the lateral direction (left- So that they can be moved.

The first support part 200 may include a first side support module 210, a first cutting module 220, and a first guide module 230.

The first side support module 210 is formed with at least one support roller 211 toward the center of the base part 100 and is coupled to be capable of reciprocating in the lateral direction on the upper surface of the base part 100. For example, the first side support module 210 may be reciprocated laterally along the first moving slit 102 formed on the upper surface of the base portion 100. In addition, the first side support module 210 may be configured to pass through the first moving slit 102 and be connected to the spacing adjustment module, which will be described below.

The first cutting module 220 is formed on the upper side of the first side support module 210 to cut the side of the sample tube of the drilling core so that the first cutter 221 is moved toward the center of the base part 100 at least a part May be exposed. For example, the first cutter 221 may include a disc-shaped cutter, and the disc-shaped cutter may rotate to cut the sample tube of the drill core.

The first cutting module 220 may be coupled to the upper side of the first side support module 210 so as to be capable of reciprocating in the lateral direction in order to cut only the sample tube of the drilling core having diameters different from each other. have.

2, the first guide module 230 is coupled to the upper portion of the first cutting module 220 so as to be slidable in the vertical direction. The first guide module 230 is slidably mounted on the upper portion of the first cutting module 220, And may include a first upper tongue 231 and a first support arm 232 that are movably coupled.

The first support arm 232 may extend from the first upward and downward movement opening 231 toward the center of the base 100 and may have a third support portion 400 coupled to one side thereof. The first support arm 232 is coupled to the third support portion 400 so that the third support portion 400 can be positioned on the center portion of the base portion 100 even if the first support portion 200 is moved in the lateral direction. May be coupled to be movable in the lateral direction.

The second support part 300 is formed on the other side of the upper part of the base part 100 to support the other side of the cradle and includes the second side support module 310, the second cutting module 320 and the first guide module 330 ). The second side support module 310, the second cutting module 320 and the first guide module 330 are mounted on the first side support module 210 of the first support part 200, the first cutting module 220, And the first guide module 230 may be the same or similar.

The third support part 400 is formed on the upper part of at least one of the first support part 200 and the second support part 300 to support the upper side (upper surface) of the drill core, and the first support part 200 and the second support part 300, The position can be fixed toward the center of the base part 100 even if the base part 300 is moved in the lateral direction.

The third support part 400 may be configured to be reciprocally movable in the vertical direction in accordance with the upward and downward movement of the first support part 200 and the second support part 300. The first support part 200 and the second support part 300 300 in the vertical direction.

In order to fix the position of the third supporting part 400 even if the first supporting part 200 and the second supporting part 300 are moved in the lateral direction, the first supporting arm 232 and the second supporting arm 300 332, and a specific embodiment of the interval adjusting module for performing such a function will be described in more detail below.

The first supporting part 200, the second supporting part 300 and the third supporting part 400 of the geological drilling core cutting apparatus A described with reference to Figs. 1 to 3 are the same as those of the drilling core 500 of the specific size, In order to use both the drill core 500 and the mount 600 having various sizes, the respective components are moved as in the present invention, It is desirable to be configured to be able to

Fig. 4 is an exploded perspective view illustrating the embodiment of the drilling core and the cradle shown in Fig. 4, and Fig. 5 is an exploded perspective view of Fig.

4, the drilling core 500 to be divided is placed on the base 600 while entering from one direction of the drilling core cutting device A in a state where the drilling core 500 is placed on the base 600 The first and second support rollers 211 and 311 support both sides of the base 600 in the longitudinal direction of the base 100 while being stably supported by the first and second support rollers 211 and 311, Both sides of the sample tube 520 of the drilling core 500 can be cut by the two cutters 321. At this time, the third support part 400 supports the upper part of the drilling core 500.

At this time, the drilling core 500 may be composed of the core sample 510 and the sample tube 520 as shown in FIG. Here, the sample tube 520 may include a transparent PVC tube.

The holder 600 may include a plate portion 610, a first mounting portion 620, and a second mounting portion 630.

In order to move along the guide groove 101 formed in the longitudinal direction at the central portion of the base portion 100, the plate portion 610 is formed with a guide rail 611 in the longitudinal direction at a lower portion thereof, 612 may be formed side by side in the lateral direction.

The first mounting portion 620 and the second mounting portion 630 can be moved in the lateral direction from the upper portion of the plate portion 610. The first mounting portion 620 and the second mounting portion 630 can be moved in the lateral direction, The core 500 is placed.

At this time, in order to stably place the drilling core 500, a curved seating portion 621 may be formed inside the upper portion (central portion) of the first and second mounting portions 620 and 630 . Here, the seating part 621 may be made of a rubber material to prevent the drilling core 500 from slipping.

A plurality of guide holes 632 may be formed in the lower portion of the first mounting portion 620 and the second mounting portion 630 to be inserted into the guide groove 612 of the plate portion 610.

As a result, the first and second mounting portions 620 and 630 can be spaced apart in the lateral direction, so that the drilling cores 500 of different diameters can be mounted on the rubber mounts 621 and 632, And the drilling core 500 having different diameters can be easily divided into two by the geological drilling core cutting apparatus A according to the present invention in which the respective structures are configured to be movable will be.

Hereinafter, a process of bisecting the drilling core 500 using the drilling core cutting apparatus A according to the present invention will be described in more detail.

FIG. 6 is a flowchart illustrating an embodiment of a drilling core cutting method using a drilling core cutting apparatus according to the present invention. FIGS. 7 to 10 illustrate a process of operating the cutting apparatus of FIG. 1 by referring to FIG. FIG. In Figs. 7 to 10, the reference numerals of the drilling core and the cradle are omitted.

Referring to FIG. 6, a cradle on which a drilling core is placed is seated on the base portion 100 of the drilling core cutting apparatus A (Step S100), as shown in FIG. In this case, the guide rails 611 formed at the lower portion of the base are fitted into the guide groove 101 of the base 100, so that the base and the drill core can be stably positioned at the center of the base 100.

The first supporting part 200 and the second supporting part 300 of the drilling core cutting device A are moved as shown in FIG. 8 to move the first side supporting module 300 210 and the second support rollers 311 of the second side support module 310 closely contact both sides of the base to support the base (step S200).

9, the third support portion 400 is moved by the movement of the first upper and lower earthen corners 231 and 331 so that the third support portion 400 supports the upper portion of the drill core (Step S300).

Therefore, when the cradle and the drilling core move longitudinally on the base portion 100 of the drilling core cutting apparatus A, the cradle is stably supported by the first support roller 211 and the second support roller 311 And the drilling core can be stably supported by the cradle and the third support roller 400.

The third support roller 410 may be formed at the lower part of the third support part 400 and the third support roller 410 may be formed as a curved surface corresponding to the shape of the outer circumferential surface of the drill core, have.

In this way, the first cutting module 220 and the second cutting module 320 of the lip drilling core cutting device A are used to stably support both sides of the sample tube of the drilling core (Step S400).

10, the first cutter 221 of the first cutting module 220 and the second cutter 321 of the second cutting module 320 are brought into close contact with both sides of the sample tube (step S410 After the first cutter 221 and the second cutter 321 are operated, both sides of the sample tube can be cut while the holder is moved in the longitudinal direction (step S420).

When the disk-shaped cutter is operated to cut both sides of the sample tube of the drill core, heat is generated in the process of cutting the sample tube, and the heat is generated in the cut portion of the sample tube Or to change the properties of the core sample.

Hereinafter, a method of removing such heat will be described.

FIG. 11 is a partially enlarged view illustrating an embodiment of the cutting module of FIG. 1; FIG.

Referring to FIG. 11, a cooling line 222 for cooling the first cutter 221 may be further provided inside the first cutting module 220.

The cooling line 222 functions to lower the temperature of the first cutter 221 by receiving cool air from an external cooling device (not shown). As shown in FIG. 11, the first cutting module 220 And may be configured to be adjacent to the upper and lower portions of the first cutter 221 inside. For example, the cooling line 222 may be configured such that the refrigerant supplied by the cooling device is moved.

In FIG. 11, the reference numeral 'M' denotes a motor for operating the first cutter 221.

12 is a partially enlarged perspective view for explaining an embodiment of the gap adjusting module formed inside the portions 'a' and 'b' of FIG.

12, the gap adjustment module 700 may include a first rack gear 710, a second rack gear 720, and a pinion gear 730.

12, when the pinion gear 730 is gear-engaged with the first rack gear 710 and the second rack gear 720, even if the first rack gear 710 and the second rack gear 720 are moved, The turning shaft 731 of the pinion gear 730 can maintain a constant position.

8, the first rack gear 710 is fixed to the first support arm 232 and the second rack gear 720 is fixed to the first support arm 232. In the drilling core cutting apparatus A according to the present invention, And the third support portion 400 is provided on the pivot shaft 731 of the pinion gear 730 so that the first support arm 232 and the second support arm 332 The third support portion 400 can be maintained at a predetermined position.

The third support roller 410 of the third support portion 400 may be continuously rotated in the downward direction even if the rotation shaft 731 of the pinion gear 730 rotates. 731 and the third support part 400 may be connected to each other by a ring-shaped bearing.

8, the gap adjusting module 700 is formed inside the base 100 connected to the lower portions of the first and second supports 200 and 300,

The first rack gear 710 is connected to the first support portion 200 and the second rack gear 720 is connected to the second support portion 300. The second rack gear 720 is connected to the second support portion 300, Is connected to the motor shaft, the first support portion 200 and the second support portion 300 can be reciprocated in the lateral direction by the operation of the motor.

The present invention has been described with respect to a drilling core cutting apparatus using a geological tank and a drilling core cutting method using the same. It will be understood by those skilled in the art that the technical features of the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Therefore, it is to be understood that the embodiments described above are intended to be illustrative, and not restrictive, in all respects, and that the scope of the invention is indicated by the appended claims rather than the foregoing description, And all equivalents and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

A: drilling core cutting device
100: base portion 101: guide groove
200: first support part
210: first side supporting module 211: first supporting roller
220: first cutting module 221: first cutter
222: Cooling line
230: first guide module 231: first upper and lower tongue
232: first support arm
300: second support portion
310: second side supporting module 311: second supporting roller
320: second cutting module 321: second cutter
330: second guide module 331: second Shanghai Donggu
332: second support arm
400: third support part 410: third support roller
500: drilling core 510: core sample
520: sample tube
600: cradle 610: plate portion
611: Induction rail
700: interval adjusting module 710: first rack gear
720: Second rack gear 730: Pinion gear

Claims (12)

A base portion placed at the center so that the base on which the drilling core is placed is moved in the longitudinal direction;
A first support part formed on an upper side of the base part and supporting one side of the cradle;
A second supporting part formed at another side of the upper part of the base part and supporting another side of the cradle;
A cutting module including a cutter configured to be exposed at least partially toward a central portion of the base portion, the cutter module being respectively formed in the first support portion and the second support portion; And
And a third support portion formed on an upper portion of at least one of the first support portion and the second support portion to support an upper side of the drill core.
The method according to claim 1,
Wherein at least one of the first and second supports comprises:
And is reciprocally movable in a lateral direction on an upper surface of the base portion,
The third support portion
And is coupled so as to reciprocate in a vertical direction while being fixed in position toward a center portion of the base portion.
delete delete The method according to claim 1,
Inside the cutting module,
Further comprising a cooling line for cooling the cutter.
6. The method of claim 5,
The cutting module includes:
Wherein the first support portion and the second support portion are coupled to the upper side of the side support module so as to be capable of reciprocating in the lateral direction.
delete The method according to claim 6,
Between the first support arm formed on the first support portion and the second support arm configured on the second support portion,
Wherein the gap adjusting module is configured to fix the position of the third support portion toward the center of the base portion in the process of moving the first support arm and the second support arm in the lateral direction. Cutting device.
9. The method of claim 8,
Wherein the interval adjusting module comprises:
A first rack gear fixed to the first support arm;
A second rack gear mounted solidly on the second support arm; And
And a pinion gear that is gear-coupled between the first rack gear and the second rack gear and is rotatably coupled to the third support portion. .
10. The method of claim 9,
Wherein the pivot shaft of the pinion gear
And the third support portion is connected to the third support portion by a ring-type bearing.
delete delete

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