CN214621813U

CN214621813U - Directional thin-wall soil sampler

Info

Publication number: CN214621813U
Application number: CN202120923940.3U
Authority: CN
Inventors: 易秋清; 赵新杰; 张艳; 许小清; 邓一超
Original assignee: Guangdong Zhongmei Jiangnan Engineering Survey And Design Co ltd
Current assignee: Guangdong Zhongmei Jiangnan Engineering Survey And Design Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-11-05
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a directional thin wall geotome aims at realizing the directional sample of geotome, its technical scheme: the utility model provides a directional thin wall geotome, includes the body, the one end and the drilling rod of peripheral hardware rig of body are connected, and the other end is for the open end that is used for the sample, be equipped with one on the body and be used for gathering the collection module of body direction information, collection module and peripheral hardware receiver communication connection give the peripheral hardware receiver with the direction information transfer of body, belong to geodetic survey and use geotome technical field.

Description

Directional thin-wall soil sampler

Technical Field

The utility model belongs to the technical field of the equipment of fetching earth for geological survey, more specifically speaking relates to a directional thin wall geotome.

Background

The open thin-wall soil sampler is provided with a seamless thin-wall steel pipe, adopts I-grade undisturbed soil sample by adopting a continuous static force pressing-in method, and is mainly suitable for flowing plastic, soft plastic, plastic cohesive soil, silt and silt.

The invention discloses an open piston thin-wall soil sampler for engineering geological drilling, which comprises a soil sampler head and a soil sample cylinder fixedly connected with the lower end of the soil sampler head, wherein a piston is arranged in the soil sampler head, the soil sample cylinder is connected with a residual soil cylinder into a whole through a connecting sleeve, and then the upper end part of the residual soil cylinder is connected with the soil sampler head in a screwing manner.

According to the technical scheme and the attached drawings, when the soil sampler is used, the drill rod is connected to the joint of the soil sampler, the soil sampler is placed at the bottom of a hole with a soil sampling hole arranged outside, the drill rod is pressed through the drill machine, so that the soil sampler is pressed into a soil layer, a soil sample enters the soil sampler, and the drill rod is lifted through the winch of the drill machine, so that the required soil sample is obtained.

In the prior art, when the soil sampler is used for axial line sampling, the soil sampler may deviate from the axial line, and the directional sampling requirement cannot be met.

Therefore, the technical problem to be solved by the application is as follows: how to realize the directional sampling of the soil sampler.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a directional thin-wall geotome, which aims at realizing the directional sampling of the geotome.

According to the utility model discloses an aspect provides a directional thin wall geotome, which comprises a body, the one end of body is connected with the drilling rod of peripheral hardware rig, and the other end is for being used for the open end of sample, be equipped with one on the body and be used for gathering the collection module of body direction information, collection module and peripheral hardware receiver communication connection transmit the direction information of body for the peripheral hardware receiver.

In a specific embodiment of the utility model, the body comprises a waste soil cylinder and a thin-wall sampling tube, and the waste soil cylinder and the thin-wall sampling tube are connected through a connecting sleeve; the waste soil cylinder and the thin-wall sampling tube are both of hollow structures, and both ends of the waste soil cylinder and the thin-wall sampling tube are open ends;

an air exhaust module is arranged at one end of the waste soil barrel, which is far away from the thin-wall sampling tube, and one end of the air exhaust module, which is far away from the waste soil barrel, is connected with an external drill rod;

the collection module is arranged on the outer wall of the waste soil cylinder.

The utility model discloses a specific embodiment, collection module includes that the cover establishes nonmetal mounting structure on the waste soil section of thick bamboo outer wall, nonmetal mounting structure includes the mount pad, be equipped with an installation cavity on the mount pad, can dismantle in the installation cavity and be connected with a direction probe rod.

In a specific embodiment of the present invention, one side of the installation cavity is an open side, and the installation seat is provided with a cover plate covering the open side of the installation cavity, wherein the cover plate can be detached.

In a specific embodiment of the present invention, an elastic mounting ring for mounting the guiding probe is disposed on a side of the cover plate facing the mounting cavity, and an opening for the guiding probe to enter is disposed on the elastic mounting ring;

the elastic mounting ring is 2 which are respectively matched with the two ends of the guide probe rod.

In a particular embodiment of the invention, a recess is provided in the side of the cover plate remote from the installation space, and the lifting rod is arranged transversely in the recess.

The utility model discloses a specific embodiment, be equipped with two spaced arrangement's bulge loops on the outer wall of waste soil section of thick bamboo, two form annular cavity between the bulge loop, the mount pad is established on the annular cavity.

In a specific embodiment of the present invention, the air pumping module comprises a connecting block, a first cavity, a second cavity and a third cavity are arranged in the connecting block in sequence and are communicated with each other, and the first cavity is communicated with the waste soil cylinder; the inner diameters of the first cavity, the second cavity and the third cavity are gradually reduced;

a piston rod matched with the inner diameter of the third cavity is connected in the third cavity in a sliding mode, one end of the piston rod extends out of the third cavity and is connected with an external drill rod, the other end of the piston rod extends into the first cavity and is provided with an installation block, and a piston is arranged on the installation block;

the outer diameter of the mounting block is matched with the inner diameter of the second cavity; the outer diameter of the piston is larger than the inner diameter of the second cavity and smaller than the inner diameter of the first cavity;

and the connecting block is also provided with a plurality of slurry discharging holes communicated with the second cavity.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

when the soil sampler is actually used, the body is connected with a drill rod of an external drilling machine, then the body is stretched into a sampling hole of soil, and the external drilling machine drives the body to carry out soil sampling work;

the utility model discloses in, be equipped with on the body and be used for gathering the collection module of the direction information of body, the information transfer that collection module gathered gives the peripheral hardware receiver, makes things convenient for the staff to monitor the direction of this thin wall geotome, and the staff is according to the direction of the peripheral hardware rig of the received information adjustment of peripheral hardware receiver to realize the directional sample of geotome.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of a first embodiment of the present invention;

fig. 2 is a sectional structure view of a waste soil pipe according to a first embodiment of the present invention;

fig. 3 is a structural view of a cover plate of the first embodiment of the present invention;

FIG. 4 is a sectional view of the air extraction module according to the first embodiment of the present invention;

fig. 5 is a sectional structural view of a mounting block according to a first embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 5, the directional thin-wall geotome comprises a body 1, wherein one end of the body 1 is connected with a drill rod of an external drilling machine, the other end of the body is an open end for sampling, an acquisition module 2 for acquiring direction information of the body 1 is arranged on the body 1, and the acquisition module 2 is in communication connection with an external receiver to transmit the direction information of the body 1 to the external receiver.

In practical application, the body 1 is connected with a drill rod of an external drilling machine, then the body 1 is extended into a sampling hole of soil, and the external drilling machine drives the body to carry out soil sampling work;

in this embodiment, be equipped with on body 1 and be used for gathering body 1's direction information's collection module 2, the information transfer that collection module 2 gathered gives the peripheral hardware receiver, makes things convenient for the staff to monitor this thin wall geotome's direction, and the staff adjusts the direction of peripheral hardware rig according to the information that the peripheral hardware receiver received to realize the directional sample of geotome, can solve underground subway, tunnel and stride across the difficult problem that river, road, house take undisturbed I level original state soft soil sample along underground line axis, provide the guarantee for obtaining the intensity in stratum, consolidation index.

As a specific implementation of this embodiment, the body 1 includes a waste soil barrel 11 and a thin-wall sampling tube 12, and the waste soil barrel 11 is connected with the thin-wall sampling tube 12 through a connecting sleeve 13; the waste soil cylinder 11 and the thin-wall sampling tube 12 are both of hollow structures, both ends of the waste soil cylinder are open ends, and one end of the thin-wall sampling tube 12 far away from the waste soil cylinder 11 is a soil sampling end;

an air extraction module 14 is arranged at one end of the waste soil barrel 11, which is far away from the thin-wall sampling tube 12, one end of the air extraction module 14, which is far away from the waste soil barrel 11, is connected with an external drill rod, after the thin-wall sampling tube 12 finishes sampling work, the external drill rod rises to bring out the directional thin-wall soil sampler, the external drill rod drives the air extraction module 14 to work when rising, and the air extraction module 14 enables the waste soil barrel 11 to form a vacuum state, so that a soil sample is adsorbed in the thin-wall sampling tube 12, and the soil sample is prevented from falling;

when the soil sample is collected, the thin-wall soil sampling pipe 12 needs to be inserted into the soil layer, the waste soil barrel 11 does not need to be inserted into the soil layer, particularly, the collection module 2 is arranged on the outer wall of the waste soil barrel 11, and the normal operation of the collection module 2 is guaranteed.

The acquisition module 2 may be a tilt sensor or an accelerometer sensor, such as a directional while drilling device shown in new publication No. CN2740766Y, which is not limited in this embodiment.

In this embodiment, the collecting module 2 includes a non-metal mounting structure sleeved on the outer wall of the waste soil barrel 11, the non-metal mounting structure includes a mounting seat 21, a mounting cavity 22 is arranged on the mounting seat 21, a guiding probe 23 is detachably connected in the mounting cavity 22, the guiding probe 23 collects direction information of the directional thin-wall soil sampler, the information is transmitted to an external receiver on the ground through a magnetic signal, the direction information of the directional thin-wall soil sampler is observed through the external receiver, a worker adjusts attitude angle information of a drilling tool according to the direction information, including depth, inclination angle, azimuth angle, tool face angle and the like, and can control the advancing direction of the directional thin-wall soil sampler in real time according to the attitude angle information, so as to realize the directional sampling work of the directional thin-wall soil sampler;

the non-metal mounting structure may be made of plastic, and the like, which is not limited in this embodiment; which can prevent an influence on the transmission of the magnetic signal.

The guiding probe 23 can work only by supplying power to a battery, in this embodiment, one side of the installation cavity 22 is an open side, the installation seat 21 is provided with a cover plate 24 covering the open side of the installation cavity 22, the cover plate 24 is detachable, and the battery can be conveniently replaced after the electric quantity of the battery is exhausted;

specifically, a sealing structure is arranged between the cover plate 24 and the installation cavity 22 to prevent sewage from entering.

In this embodiment, an elastic mounting ring 25 for mounting the guiding probe 23 is disposed on one side of the cover plate 24 facing the mounting cavity 22, an opening for the guiding probe 23 to enter is disposed on the elastic mounting ring 25, and the guiding probe 23 is detached while the cover plate 24 is detached, so that the structure is simple and the operation is convenient;

the elastic mounting rings 25 are 2 which are respectively matched with the two ends of the guide probe 23, so that the mounting stability is improved.

Specifically, the elastic mounting ring 25 may be made of plastic, rubber, or the like, and may play a role of shock absorption while fixedly mounting the guide probe 23, so as to protect the guide probe 23.

In this embodiment, a concave hole is formed in a side of the cover plate 24 away from the installation cavity 22, and a lifting rod 241 is transversely arranged in the concave hole, so that the cover plate 24 can be conveniently detached;

as a specific implementation of this embodiment, the detachable connection of the cover plate 24 on the mounting seat 21 can be implemented by a snap structure or a screw fixing manner, which is not limited in this embodiment.

In this embodiment, be equipped with two interval arrangement's bulge loop 111 on the outer wall of a useless soil section of thick bamboo 11, two form annular cavity between the

bulge loop

111, 21 covers of mount pad are established on the annular cavity, simple structure, the stability of installation is high, and simultaneously, this nonmetal mounting structure can also be followed dismantle on the useless soil section of thick bamboo 11, make things convenient for the maintenance.

As a specific implementation of this embodiment, the air extraction module 14 includes a connection block 141, a first cavity 142, a second cavity 143, and a third cavity 144 are disposed in the connection block 141, and are sequentially communicated with each other, and the first cavity 142 is communicated with the waste soil barrel 11; the inner diameters of the first cavity 142, the second cavity 143 and the third cavity 144 are gradually reduced;

a piston rod 145 which is matched with the inner diameter of the third cavity 144 is connected in the third cavity 144 in a sliding mode, one end of the piston rod 145 extends out of the third cavity 144 to be connected with an external drill rod, the other end of the piston rod 145 extends into the first cavity 142 and is provided with an installation block 146, and a piston 147 is arranged on the installation block 146;

the outer diameter of the mounting block 146 is matched with the inner diameter of the second cavity 143; the outer diameter of the piston 147 is larger than the inner diameter of the second cavity 143 and smaller than the inner diameter of the first cavity 142;

the connecting block 141 is further provided with a plurality of slurry discharge holes 148 communicated with the second cavity 143, and during the process of pressing the thin-wall sampling tube 12 into the mud layer, the mud passes through the gap between the piston 147 and the first cavity 142, enters the second cavity 143, and is discharged from the slurry discharge holes 148.

A limit ring is further arranged at one end of the piston rod 145 extending to the mounting block 146, and is used for limiting the length of the piston rod 145 extending into the waste soil barrel 11;

in the process that the peripheral drill rod rises, the piston rod 145 and the piston 147 are driven to rise, so that a vacuum state is formed in the waste soil barrel 11, and a soil sample is adsorbed;

the working principle is the same as that of the scheme shown in the invention patent No. CN 1024581C.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a directional thin wall geotome, includes body (1), the one end and the drilling rod of peripheral hardware rig of body (1) are connected, and the other end is for being used for the open end of sample, its characterized in that is equipped with one on body (1) and is used for gathering body (1) direction information's collection module (2), collection module (2) and peripheral hardware receiver communication connection transmit the direction information of body (1) for the peripheral hardware receiver.

2. The directional thin-wall geotome of claim 1 wherein the body (1) comprises a waste soil barrel (11), a thin-wall sampling tube (12), the waste soil barrel (11) and the thin-wall sampling tube (12) are connected by a connecting sleeve (13); the waste soil cylinder (11) and the thin-wall sampling tube (12) are both of hollow structures, and both ends of the waste soil cylinder and the thin-wall sampling tube are open ends;

an air extraction module (14) is arranged at one end of the waste soil barrel (11) far away from the thin-wall sampling tube (12), and one end of the air extraction module (14) far away from the waste soil barrel (11) is connected with an external drill rod;

the collection module (2) is arranged on the outer wall of the waste soil cylinder (11).

3. The directional thin-wall soil sampler according to claim 2, wherein the collecting module (2) comprises a non-metal mounting structure sleeved on the outer wall of the waste soil barrel (11), the non-metal mounting structure comprises a mounting seat (21), a mounting cavity (22) is arranged on the mounting seat (21), and a guiding probe (23) is detachably connected in the mounting cavity (22).

4. The directional thin-wall geotome of claim 3 wherein one side of the mounting cavity (22) is an open side, and a cover plate (24) covering the open side of the mounting cavity (22) is provided on the mounting base (21), the cover plate (24) being removable.

5. The directional thin-wall geotome of claim 4, wherein the side of the cover plate (24) facing the installation cavity (22) is provided with an elastic installation ring (25) for installing the guide probe (23), and the elastic installation ring (25) is provided with an opening for the guide probe (23) to enter;

the number of the elastic mounting rings (25) is 2, and the elastic mounting rings are respectively matched with the two ends of the guide probe rod (23).

6. The directional thin-wall geotome of claim 4 wherein the cover plate (24) has a recess on the side away from the mounting chamber (22) and a lifting bar (241) is disposed laterally within the recess.

7. The directional thin-wall geotome of claim 3, wherein the outer wall of the waste soil barrel (11) is provided with two convex rings (111) which are arranged at intervals, an annular concave cavity is formed between the two convex rings (111), and the mounting seat (21) is sleeved on the annular concave cavity.

8. The directional thin-wall geotome of claim 2, wherein the air extraction module (14) comprises a connecting block (141), a first cavity (142), a second cavity (143) and a third cavity (144) which are arranged in sequence and communicated with each other are arranged in the connecting block (141), and the first cavity (142) is communicated with the waste soil cylinder (11); the inner diameters of the first cavity (142), the second cavity (143) and the third cavity (144) are gradually reduced;

a piston rod (145) matched with the inner diameter of the third cavity (144) is connected in the third cavity (144) in a sliding mode, one end of the piston rod (145) extends out of the third cavity (144) and is connected with an external drill rod, the other end of the piston rod extends into the first cavity (142) and is provided with a mounting block (146), and a piston (147) is arranged on the mounting block (146);

the outer diameter of the mounting block (146) is matched with the inner diameter of the second cavity (143); the outer diameter of the piston (147) is greater than the inner diameter of the second cavity (143) and less than the inner diameter of the first cavity (142);

the connecting block (141) is also provided with a plurality of slurry discharging holes (148) communicated with the second cavity (143).