JP6687841B2 - Sampling device and sampling method for sampling sample in hole - Google Patents

Description

  The present disclosure relates to a sampling device and a sampling method for sampling a sample existing in a hole formed in the ground.

  Cement milk is injected into the pile holes to form a root consolidation portion that surrounds the lower end portion of the pile installed in the ground and a pile peripheral portion that surrounds a portion above the lower end portion. The strength of the root consolidation part and the pile periphery, especially the strength of the root consolidation part, is important for increasing the bearing capacity of the pile.To control the strength of the root consolidation part and the pile periphery, unconsolidated cement is used. Samples in the pile holes such as milk and soil cement are collected.

Therefore, a sampling device for sampling the sample in the hole is used (for example, refer to Patent Document 1). A sampling device for sampling a sample in a hole disclosed in Patent Document 1 has a sampling tank and an upper stopper capable of opening and closing the sampling tank, and the sampling tank is opened by opening the sampling tank at a desired depth position. The pile hole filling can be collected.
Further, the sampling device for sampling the sample in the hole disclosed in Patent Document 1 has a pipe part capable of jetting water, and the inlet can be washed with water. Therefore, according to the sampling device which collects the sample in the hole disclosed in Patent Document 1, it is possible to remove the pile hole filling material at the undesired depth position adhering to the intake port by cleaning the intake port before sampling. Therefore, it is possible to reduce the collection of the pile hole filling material at an undesired depth position.

JP 2012-237192 A

  However, since the sampling device for sampling the sample in the hole disclosed in Patent Document 1 cleans the intake port with water before sampling, the amount of water in the pile hole increases, so that the concentration control of cement milk or soil cement is performed. Have difficulty. Further, in the structure of the sampling device of Patent Document 1, undesired pile hole filling may enter the sampling tank during the insertion of the sampling device into the pile hole. Should the undesired pilehole filling enter the collection tank, it can no longer be removed.

  In view of the above-mentioned circumstances, an object of at least one embodiment of the present invention is to collect only a sample at a desired depth position without mixing pile hole filling material at an undesired depth position, and to set a field in the hole. An object of the present invention is to provide a sampling device and a sampling method that are not disturbed.

(1) A sampling device for sampling a sample in a hole according to at least one embodiment of the present invention,
A sampling device capable of sampling a sample in a hole formed in the ground,
A hollow cylindrical connecting member that can be connected to the ground excavation rod,
At least one collection container that is provided on the outer peripheral side or the inner peripheral side of the connecting member and that can store the sample,
A lid capable of opening and closing the sampling port of the at least one sampling container;
A slide body that is vertically slidable in the at least one collection container along the inner peripheral surface of the at least one collection container;
A slide body drive configured to move the slide body up and down within the at least one collection container;
Displace the lid in conjunction with the sliding body moving upward to open the sampling port, and displace the lid in conjunction with the sliding body moving downward. A lid driving device configured to close the sampling port,
Equipped with
The collection port is configured to be closed by the lid while the sample is stored in the collection container .

According to the above configuration (1), even if the pile hole filling material at an undesired depth position penetrates into the sampling container, by moving the sliding body to the upper end of the sampling container, the undesired depth of penetration into the sampling container is increased. The pile hole filling at the location can be discharged from the collection container.
Then, at the desired depth position, the slide body is lowered from the state of being located at the upper end of the collection container, whereby the sample at the desired depth position can be collected in the collection container. Since the lid is displaced in conjunction with the sliding body descending and the sampling port of the sampling container is closed, the sample in the sampling container leaks after sampling to collect the sample in the hole at the desired depth position, It is prevented that the pile hole filling material at an undesired depth position is mixed with the sample in the collection container.
On the other hand, according to the above configuration (1), since it is not necessary to wash the sampling port with water or the like, the field in the hole is not disturbed.

(2) In some embodiments, in the above configuration (1),
The at least one collection container has a substantially fan-like shape in plan view surrounding the connecting member concentrically, and is attachable to and detachable from the connecting member.
According to the above configuration (2), since the collection container is provided outside the connecting material, it is possible to secure a flow path for cement milk, hydraulic oil or the like inside the connecting material. Therefore, according to the above configuration, the sampling device that collects the sample in the hole can be arranged above the drill of the excavator. That is, a sampling device for sampling the sample in the hole can be provided in the middle of the ground excavating rod (drill pipe) connected to the drill. In this case, after excavating the pile hole with the drill, the sample in the hole can be immediately collected without pulling up the drill from the pile hole.

(3) In some embodiments, in the above configuration (1) or (2),
The at least one collection container can be arranged so as to surround the outer circumference of the connecting member over the entire circumference.
According to the above configuration (3), since the collection container can surround the connecting member over the entire circumference, it is possible to form a large-capacity collection container as a whole.

(4) In some embodiments, in any one of the above configurations (1) to (3),
The sliding body drive device is composed of a cylinder,
The lid is tiltable,
The lid driving device includes a push rod extending upward from the sliding body.
According to the above configuration (4), when the cylinder pushes the slide body upward, the slide body pushes the lid body via the push rod. The pushed lid can be opened by tilting, and the lid driving device can be configured with a simple configuration.

(5) In some embodiments, in any one of the above configurations (1) to (3),
The sliding body drive device is composed of a cylinder,
The lid is movable along the connecting member,
The lid driving device includes a connecting rod that connects the sliding body and the lid to each other.
According to the above configuration (5), when the cylinder pushes the sliding body upward, the sliding body pushes the lid body via the connecting rod. The pushed lid can be opened by moving upward, and the lid driving device can be configured with a simple configuration.

(6) In some embodiments, in any one of the above configurations (1) to (5),
The connecting member is a ground excavation rod.
According to the above configuration (6), since the connecting material is the ground excavating rod, it is possible to realize a sampling device capable of sampling the sample in the hole formed in the ground with a simple configuration.

(7) A sampling method for sampling a sample in a hole according to at least one embodiment of the present invention is
A sampling method for sampling a sample in a hole using the sampling device according to any one of the above configurations (1) to (6),
An inserting step of inserting the sampling device into a desired depth position in the hole in a state where the sampling port of the sampling container is closed by the lid.
At the desired depth position, the slide body is raised to the upper end of the collection container to displace the lid body, and a slide body raising step of opening the collection port,
After the sliding body rising step, the sliding body is lowered to displace the lid body, and the sliding body lowering step of closing the sampling port,
A pulling step of pulling up the sampling device from the inside of the hole in a state where the sampling port is closed;
Equipped with.

According to the above configuration (7), even if the pile hole filling material at an undesired depth position infiltrates into the sampling container, by moving the sliding body to the upper end of the sampling container, the undesired depth of penetration into the sampling container is increased. The pile hole filling at the location can be discharged from the collection container.
Then, at the desired depth position, the slide body is lowered from the state of being located at the upper end of the collection container, whereby the sample at the desired depth position can be collected in the collection container. Since the lid is displaced in conjunction with the sliding body descending and the sampling port of the sampling container is closed, the sample in the sampling container leaks after sampling to collect the sample in the hole at the desired depth position, It is prevented that the pile hole filling material at an undesired depth position is mixed with the sample in the collection container.
On the other hand, according to the above configuration (7), since it is not necessary to wash the sampling port with water or the like, the field in the hole is not disturbed.

(8) In some embodiments, in the above configuration (7),
After the pulling step, a removing step of removing the collection container from the connecting member,
A removal step of removing the sample in the collection container removed from the connecting material to a desired position,
Equipped with.
According to the above configuration (8), by removing the collection container from the connecting member, the collected sample can be easily taken out from the collection container.

  According to at least one embodiment of the present invention, a sampling device and a sampling method capable of collecting only a sample at a desired depth position without being mixed with pile hole filling material at an undesired depth position and not disturbing the field in the hole. Will be provided.

It is a top view which shows roughly the appearance of the sampling device which collects the sample in the hole which concerns on one Embodiment of this invention. It is a side view which shows schematically the external appearance of the sampling device which collects the sample in the hole of FIG. It is a schematic sectional drawing which follows the III-III line in FIG. It is a schematic sectional drawing which follows the IV-IV line in FIG. It is a schematic sectional drawing which shows the state which removed the collection container in FIG. 4 from the connection material. It is a schematic diagram for explaining the composition and operation of the sampling device for sampling the sample in the hole of FIG. It is a schematic diagram for explaining the composition and operation of the sampling device which collects the sample in the hole concerning other embodiments. It is a schematic diagram for explaining composition and operation of a sampling device which samples a sample in a hole concerning other embodiments. It is a flow chart which shows roughly the procedure of the collection method which collects the sample in the hole concerning one embodiment of the present invention.

  Hereinafter, some embodiments of the present invention will be described with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative positions, and the like of the components described as the embodiments or shown in the drawings are not intended to limit the scope of the present invention thereto, but are merely illustrative examples. Absent.

FIG. 1 is a plan view schematically showing the appearance of a sampling device 1a for sampling a sample in a hole according to an embodiment of the present invention. FIG. 2 is a side view schematically showing the appearance of a sampling device 1a for sampling the sample in the hole of FIG. FIG. 3 is a schematic sectional view taken along the line III-III in FIG. 1. FIG. 4 is a schematic sectional view taken along line IV-IV in FIG. FIG. 5 is a schematic cross-sectional view showing a state in which the collection container in FIG. 4 is removed from the connecting material. 6A and 6B are schematic diagrams for explaining the configuration and operation of the sampling device 1a for sampling the sample in the hole of FIG. 1, where FIG. 6A is a state in which the sliding body is located below, and FIG. , A state in which the sliding body is positioned in the middle, and (c) schematically shows a state in which the sliding body is positioned above. FIG. 7 is a schematic diagram for explaining the configuration and operation of a sampling device 1b for sampling a sample in a hole according to another embodiment, in which (a) is a state in which the sliding body is located below, b) schematically shows a state where the sliding body is located in the middle, and (c) schematically shows a state where the sliding body is located above. FIG. 8 is a schematic diagram for explaining the configuration and operation of a sampling device 1c for sampling a sample in a hole according to still another embodiment, in which (a) is a state in which the sliding body is located below, Each of (b) schematically shows a state in which the sliding body is located above. FIG. 9 is a flowchart schematically showing the procedure of a sampling method for sampling a sample in the hole according to the embodiment of the present invention.
In the following description, the sampling devices 1a, 1b, 1c for sampling the sample in the hole will also be collectively referred to as the sampling device 1 for sampling the sample in the hole. Further, the sampling device for sampling the sample in the hole is also simply referred to as a sampling device.

  The sampling device 1 is for sampling a sample (pile hole filling) in a hole formed in the ground. The pile hole filling material is, for example, cement milk injected into the pile hole or soil cement obtained by stirring and mixing cement milk and soil, and has unconsolidated fluidity.

As shown in FIGS. 1 to 8, the sampling device 1 includes a connecting member 2, at least one sampling container 3, a sliding body 4, a sliding body driving device 6, a lid body 8, and a lid body driving device 10. .
The connecting member 2 has, for example, a hollow cylindrical shape having a cylindrical shape. The connecting member 2 has, for example, a cylindrical peripheral wall 12.
The collection container 3 is provided on the outer peripheral side or the inner peripheral side of the connecting member 2 and can accommodate the sample.
The lid 8 can open and close the sampling port 14 of the sampling container 3 provided at the upper end of the sampling container 3.

  The sliding body 4 can slide in the up-down direction in the collection container 3 along the inner peripheral surface of the collection container 3. The up-down direction of the collection container 3 is along the axial direction of the connecting member 2. The sliding body 4 has, for example, a plate shape, and the shape of the sliding body 4 in plan view substantially matches the contour of the inner peripheral surface of the sampling container 3 in a cross section orthogonal to the vertical direction. Therefore, the volume of the collection container 3 can be changed by moving the sliding body 4. When the sliding body 4 moves to the upper end of the sampling container 3, that is, when it is located at the same height as the sampling port 14 of the sampling container 3, the volume of the sampling container 3 becomes zero.

  The sliding body 4 is located at the same height as the sampling port 14 of the sampling container 3 only when the sliding body 4 is located exactly in the same plane as the sampling port 14 of the sampling container 3. It does not mean, but it also means that there is some level difference within a range in which the pile hole filling material in the hole that has penetrated into the collection container 3 at an undesired depth position can be discharged, as described later. I shall.

The sliding body drive device 6 is configured to move the sliding body 4 up and down, and a driving force for moving the sliding body 4 up and down can be applied to the sliding body 4.
Note that, for example, a seal (not shown) is provided around the sliding body 4, and the seal prevents the pile hole filling material from entering below the sliding body 4.

The lid driving device 10 displaces the lid 8 in association with the upward movement of the sliding body 4 to open the sampling port 14 of the sampling container 3 so that the sliding body 4 moves downward. The lid 8 is displaced in conjunction with the above, and the sampling port 14 of the sampling container 3 is closed.
A seal (not shown) is provided around the lid body 8, and when the lid body 8 closes the collection port 14 of the collection container 3, the seal allows the pile hole filling material to be collected at an undesired depth position. 3 may be prevented.

  According to the above configuration, even if the pile hole filling material at an undesired depth position enters the collection container 3, as shown in FIGS. 6 (c), 7 (c) and 8 (b), the sliding By moving the moving body 4 to the upper end of the collection container 3, the pile hole filling material at the undesired depth position that has entered the collection container 3 can be discharged from the collection container 3.

On the other hand, at the desired depth position, as shown in FIGS. 6 (a), 7 (a) and 8 (a), the sliding body 4 is lowered from the state in which it is located at the upper end of the sampling container 3. By doing so, the sample (pile hole filling material) at a desired depth position can be collected in the collection container 3. Since the sampling port 14 is closed by the lid 8 in conjunction with the slide of the sliding body 4, the sample in the sampling container 3 leaks or is sampled after sampling the sample in the hole at the desired depth position. It is possible to prevent the pile hole filling material at an undesired depth position from being mixed with the sample in the container 3.
On the other hand, according to the above configuration, it is not necessary to wash the sampling port 14 of the sampling container 3 with water or the like immediately before opening the sampling port 14 of the sampling container 3, so that the field in the hole is not disturbed.

In some embodiments, as shown in FIGS. 3 to 5, the collection container 3 has a substantially fan-like shape in a plan view surrounding the connecting member 2 concentrically, and the connecting member 2 includes a bolt 15 or the like. Can be attached and detached.
According to the above configuration, since the collection container 3 is provided outside the connecting member 2, the cement milk flow path (not shown), the hydraulic oil flow paths 24a, 24b, etc. are provided inside the connecting material 2. You can Therefore, according to the above configuration, the sampling devices 1a and 1b for sampling the sample in the hole can be arranged above the drill of the excavator. That is, the sampling devices 1a and 1b can be interposed in the middle of the drill pipe connected to the drill. In this case, after excavating the pile hole with the drill, the sample in the hole can be immediately collected without pulling up the drill from the pile hole.
4 and 5, the flow paths 24a and 24b for the hydraulic oil are omitted.

  In some embodiments, as shown in FIGS. 4 and 5, the central angle of each collection container 3 is 180 ° in plan view, but the central angle of each collection container 3 is limited to 180 °. However, it may be 120 ° or 90 °.

In some embodiments, as shown in FIGS. 3-5, the collection container 3 of the collection devices 1 a, 1 b includes a radially inner wall 16, a radially outer wall 18, a radially inner wall 16 and a radially outer wall 18. It is constituted by circumferential side walls 20 and 20 that connect to each other.
The radial inner wall 16 and the radial outer wall 18 are configured by plate materials curved in an arc shape in a plan view, and the radius of curvature of the radial inner wall 16 is smaller than the radius of curvature of the radial outer wall 18. The circumferential side walls 20, 20 are made of a flat plate material and extend between the circumferential end of the radial inner wall 16 and the circumferential end of the radial outer wall 18.
Therefore, the radial inner wall 16, the radial outer wall 18, and the circumferential side walls 20, 20 constitute the circumferential wall of the collection container 3, and the radial inner wall 16, the radial outer wall 18, and the circumferential side wall 20, The inner surface of 20 constitutes the inner peripheral surface of the collection container 3.

In some embodiments, as shown in FIG. 3, the collection container 3 can be arranged so as to surround the outer circumference of the connecting member 2 over the entire circumference.
According to the above configuration, since the collection container 3 can surround the connecting member 2 over the entire circumference, a large-capacity collection container 3 can be formed as a whole. The number of the collection containers 3 surrounding the connecting member 2 is not limited to two, and may be three or more. Alternatively, the collection container 3 may have a double-cylindrical shape, and in this case, one collection container 3 can surround the connecting member 2 over the entire circumference.

  In some embodiments, as shown in FIGS. 3 and 6, the sliding body drive device 6 is constituted by a cylinder 25 such as a hydraulic cylinder, and the sliding body 4 is fixed to a piston rod 25a of the cylinder 25. There is. The lid 8 is tiltable, and the lid driving device 10 is configured by a push rod 26 extending upward from the sliding body 4.

  According to the above configuration, when the cylinder 25 pushes the sliding body 4 upward, the sliding body 4 pushes the lid body 8 via the push rod 26. The pushed lid 8 is displaced by tilting, and the sampling port 14 of the sampling container 3 can be opened, so that the lid driving device 10 can be configured with a simple configuration.

  In some embodiments, as shown in FIGS. 7 and 8, the sliding body drive device 6 is constituted by a cylinder 25 such as a hydraulic cylinder, and the sliding body 4 is fixed to a piston rod 25a of the cylinder 25. There is. The lid 8 is movable along the connecting member 2, and the lid driving device 10 is configured by the first connecting rod 28 that connects the sliding body 4 and the lid 8 to each other.

  According to the above configuration, the cylinder 25 pushes the sliding body 4 upward, so that the sliding body 4 pushes the lid body 8 via the first connecting rod 28. The pushed lid body 8 is displaced by moving upward, and the collection port 14 of the collection container 3 can be opened, and the lid body drive device 10 can be configured with a simple configuration.

  Note that, as shown in FIG. 7, when the collection container 3 is arranged outside the connecting member 2, the lid body 8 can be configured by a ring-shaped plate member or a plurality of fan-shaped plate members. On the other hand, as shown in FIG. 8, when the cylindrical collection container 3 is formed inside the connecting member 2, the lid body 8 can be formed of a circular plate material.

  In some embodiments, as shown in FIGS. 3 to 7, the sampling devices 1 a and 1 b include a plurality of cylinders 25 arranged in the circumferential direction of the connecting member 2.

In some embodiments, the flow paths 24a and 24b for supplying the hydraulic oil to the cylinder 25 also serve as the flow paths for supplying the hydraulic oil to the drill.
According to the above configuration, the hydraulic oil can be supplied to both the cylinder 25 and the drill with a simple configuration without increasing the number of the flow paths 24a and 24b.

In some embodiments, as shown in FIG. 8, the collection container 3 is partitioned inside the hollow connecting member 2. In this case, the peripheral wall 12 of the connecting member 2 constitutes the peripheral wall of the collecting container 3, and the intake port 30 provided in the peripheral wall 12 of the connecting member 2 defines the upper end of the collecting container 3. That is, the space 31 below the inlet 30 of the connecting member 2 is used as the collection container 3.
According to the above configuration, since the sampling container 3 is provided inside the hollow connecting member 2, it is possible to form the large-capacity sampling container 3.
In addition, as shown in FIG. 8, when the collection container 3 has a columnar shape, the sliding body 4 and the lid body 8 can be configured by a circular plate.

In some embodiments, as shown in FIG. 8, the sampling device 1c further comprises an overtop cover 32 and a second connecting rod 34.
The overtop cover 32 is coaxially connected to the lid body 8 via the second connecting rod 34. The over-top cover 32 can close the space 36 in the connecting member 2 above the intake port 30 when the lid body 8 closes the collection port 14 of the collection container 3 to the upper space 36. It is possible to prevent the infiltration of the pile hole filling material into the hole. Therefore, since the space 36 is secured when the sliding body 4 is moved upward after inserting the sampling device 1c into the pile hole, the movement of the sliding body 4 is not hindered.

  A seal (not shown) is provided around the over-top cover 32 to prevent undesired pile hole filling from entering the space 36 when the over-top cover 32 closes the space 36. May be. As shown in FIG. 8, when the collection container 3 has a cylindrical shape, the overtop cover 32 can be configured by a circular plate.

In some embodiments, the cylinder 25 that constitutes the slide body drive device 6 is arranged below the slide body 4 in the up-down direction as shown in FIGS. 3 to 8.
According to the above configuration, the moving direction of the piston rod 25a of the cylinder 25 and the moving direction of the sliding body 4 can be matched, and the sliding body drive device 6 can be configured with a simple configuration.

  In some embodiments, as shown in FIGS. 3 and 6-8, the internal space of the collection container 3 is divided into an upper space and a lower space by the partition wall 38, and the cylinder 25 is a collection container. 3 is located in the lower space. The sliding body 4 is arranged in the upper space, and the piston rod 25a of the cylinder 25 extends through the partition wall 38.

In some embodiments, the connecting member 2 is a ground excavation rod.
According to the above configuration, since the connecting member 2 is the ground excavating rod that is connected to the drill for excavating the ground, it is possible to collect a sample in the hole formed in the ground with a simple structure. The device 1 can be realized.

FIG. 9 is a flowchart schematically showing the procedure of an example of a method for collecting a sample in a pile using the collecting device 1.
As shown in FIG. 9, the method for collecting the sample in the pile includes an inserting step S1, a sliding body raising step S2, a sliding body lowering step S3, and a lifting step S4.
In the inserting step S1, the sampling device 1 for sampling the sample in the hole is inserted into the pile hole in a state in which the sampling port 14 of the sampling container 3 is closed by the lid 8.
In the sliding body raising step S2, the sliding body 4 is raised to the upper end of the sampling container 3 at a desired depth for sampling. As a result, the volume of the collection container 3 becomes zero.

In the sliding body lowering step S3, after the sliding body raising step S2, the sliding body 4 is lowered and the sampling port 14 of the sampling container 3 is closed by the lid 8. As a result, the sampling port 14 of the sampling container 3 is closed while the sample at the desired depth position is collected in the sampling container 3.
In the pulling up step S4, after the sliding body descending step S3, the sampling device 1 for sampling the sample in the hole is pulled up from the pile hole. After pulling up, the pile hole filling material is taken out from the collection container 3 and solidified to prepare a test piece, and a strength test is performed.

  According to the above configuration, it is not necessary to wash the sampling port 14 of the sampling container 3 with water or the like immediately before opening the sampling port 14 of the sampling container 3, so that the field in the hole is not disturbed.

In some embodiments, the method of collecting a sample in a pile comprises a removing step and a removing step.
In the removing step, the sampling container 3 is removed from the connecting member 2 after the pulling step S4.
In the taking-out step, the sample in the collection container 3 is taken out from the collection container 3 removed from the connecting member 2 to a desired position. For example, the sample can be taken out of the collection container 3 by turning the collection container 3 upside down.
According to the above configuration, by removing the collection container 3 from the connecting member 2, the collected sample can be easily taken out from the collection container 3.

In some embodiments, the sample is taken out of the collection container 3 by turning the collection container 3 upside down while being attached to the connecting member 2.
In some embodiments, the sample is taken out from the collection container 3 by suctioning the sample from the collection container 3 using a pump or the like while being attached to the connecting member 2.
In some embodiments, the sample is taken out of the collection container 3 by scraping the sample from the collection container 3 using a jig while being attached to the connecting member 2.

  Lastly, the present invention is not limited to the above-described embodiments, and includes modified forms of the above-described embodiments and combinations of these forms.

1, 1a, 1b, 1c Sampling device for sampling the sample in the hole 2 Connecting material 3 Sampling container 4 Sliding body 6 Sliding body driving device 8 Lid body 10 Lid driving device 12 Circumferential wall 14 Sampling port 15 Bolt 16 Radial inner wall 18 Radial outer wall 20 Circumferential side walls 24a, 24b Flow path 25 Cylinder 25a Piston rod 26 Push rod 28 First connecting rod 30 Intake port 31 Space 32 Overtop cover 34 Second connecting rod 36 Space 38 Partition wall S1 Inserting step S2 Sliding Moving body raising step S3 Sliding body lowering step S4 Lifting step

Claims (8)

In the sampling device that can collect the sample in the hole formed in the ground,
A hollow cylindrical connecting member that can be connected to the ground excavation rod,
At least one collection container that is provided on the outer peripheral side or the inner peripheral side of the connecting member and that can store the sample,
A lid capable of opening and closing the sampling port of the at least one sampling container;
A slide body that is vertically slidable in the at least one collection container along the inner peripheral surface of the at least one collection container;
A slide body drive configured to move the slide body up and down within the at least one sampler;
Displace the lid in conjunction with the sliding body moving upward to open the sampling port, and displace the lid in conjunction with the sliding body moving downward. A lid driving device configured to close the sampling port,
Equipped with
A sampling device configured to close the sampling port by the lid in a state where the sample is stored in the sampling container .   The collection device according to claim 1, wherein the at least one collection container has a substantially fan-like shape in a plan view surrounding the connecting member concentrically, and is attachable to and detachable from the connecting member. . The said at least 1 collection container can be arrange | positioned so that the outer periphery of the said connection material may be enclosed over the perimeter, The collection device of Claim 1 or 2 characterized by the above-mentioned. The sliding body drive device is composed of a cylinder,
The lid is tiltable,
The said lid drive device is comprised by the push rod extended upwards from the said sliding body, The sampling device as described in any one of Claim 1 thru | or 3 characterized by the above-mentioned. The sliding body drive device is composed of a cylinder,
The lid is movable along the connecting member,
The said lid drive device is comprised by the connection rod which connects the said sliding body and the said lid mutually, The sampling device as described in any one of Claim 1 thru | or 3 characterized by the above-mentioned.   The said connection material is a ground excavation rod, The sampling device as described in any one of Claim 1 thru | or 5 characterized by the above-mentioned. A sampling method for sampling a sample in a hole using the sampling device according to claim 1.
An inserting step of inserting the sampling device into a desired depth position in the hole in a state where the sampling port of the sampling container is closed by the lid.
At the desired depth position, the slide body is raised to the upper end of the collection container to displace the lid body, and a slide body raising step of opening the collection port,
After the sliding body rising step, the sliding body is lowered to displace the lid body, and the sliding body lowering step of closing the sampling port,
A pulling-up step of pulling up the sampling device from the hole in a state where the sampling port is closed;
A collection method comprising: After the pulling step, a removing step of removing the collection container from the connecting member,
A removal step of removing the sample in the collection container removed from the connecting material to a desired position,
The collecting method according to claim 7, further comprising:

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