CN112067347A - A drilling equipment for soil layer soil sample - Google Patents
A drilling equipment for soil layer soil sample Download PDFInfo
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- CN112067347A CN112067347A CN202010927239.9A CN202010927239A CN112067347A CN 112067347 A CN112067347 A CN 112067347A CN 202010927239 A CN202010927239 A CN 202010927239A CN 112067347 A CN112067347 A CN 112067347A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses drilling equipment for soil sampling of a soil layer, and relates to the technical field of soil sampling. The invention comprises a support frame, a first motor, a first screw rod, a fixing clamp assembly, a sampling drill bit and a connecting cylinder; the first screw rod is in running fit with the support frame; the fixed clamp assembly is in threaded transmission fit with the first screw rod; the sampling drill bit is matched with the fixing clamp component in a clamping way; the connecting cylinder is fixedly connected with the sampling drill bit; the sampling drill bit is of an internal cavity structure; the peripheral side surface of the sampling drill bit is provided with a first spiral blade; the inner wall of the sampling drill bit is provided with a second spiral blade. According to the invention, the fixing clamp assembly is driven to move by the first motor, so that the sampling drill bit enters the soil layer; by splicing the connecting cylinders, the drilling depth is increased, and the soil at different depths is collected; the orientation of the discharge hole on the rotating disc assembly is controlled through the second motor and the second telescopic rod, so that the soil with different depths can be loaded into the corresponding collection pipes at one time.
Description
Technical Field
The invention belongs to the technical field of soil sampling, and particularly relates to drilling equipment for soil sampling of a soil layer.
Background
The soil layers are one layer of soil which is approximately parallel to the ground in the soil section, each soil layer and the soil layers above and below the soil layer have obvious differences in the aspects of color, structure, texture, holding power, types and quantity of organisms, pH value and the like, the differences of physical, chemical and biological characteristics of each soil layer are reflected, and further in the soil layer drilling process, different soil layers are different in drilling method and speed, and soil sample sampling analysis needs to be carried out on the soil layers.
The soil sampling is a method for collecting soil samples, which comprises the steps of sampling arrangement and sampling technology, wherein the section soil sample is collected and is carried out after the section observation and recording are finished, before the sampling, the section is firstly trimmed and cleaned, the most superficial layer of floating soil is cut, and then the sampling is carried out from a central typical part layer by layer from top to bottom according to the layers.
Through retrieval, the invention discloses a patent application CN201910706988.6, which is named as a soil layer drilling device and comprises a box body, wherein the side wall of the box body is sleeved with a spiral blade, the soil layer drilling device also comprises a rotating block and a lifting column, the rotating block is rotatably connected in the box body, the inner wall of the rotating block is connected with a collecting ring column, the inner wall of the collecting ring column is provided with a collecting chamber, the lifting column is connected in the box body, the lifting column is connected with the rotating block through a threaded strip, one end of the lifting column is arranged in the collecting chamber, the bottom of the rotating block is connected with a closer, and the soil layer drilling device can not spill soil when collecting soil, has a good collecting effect, is convenient to take out soil from sampling equipment and is convenient.
However, the soil with different depths reflects the difference of physical, chemical and biological characteristics of each soil layer, and the invention can only collect soil with fixed depth each time and is limited by the drill bit, and can not collect soil with different depths at one time, so the invention has great limitation; and the collection chamber inlet is easily blocked by soil.
Disclosure of Invention
The invention aims to provide drilling equipment for soil sampling of a soil layer, wherein a first motor drives a fixing clamp assembly to move, so that a sampling drill bit enters the soil layer; by splicing the connecting cylinders, the drilling depth is increased, and the soil at different depths is collected; the orientation of the discharge hole on the rotary disc assembly is controlled through the second motor and the second telescopic rod, so that soil with different depths can be loaded into the corresponding collection pipe at one time, and the existing problem is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to drilling equipment for soil layer soil sampling, which comprises a support frame, a first motor, a first screw rod, a fixing clamp assembly, a sampling drill bit and a connecting cylinder, wherein the support frame is connected with the first motor through a connecting cylinder; the first screw rod is in running fit with the support frame; the fixed clamp assembly is in threaded transmission fit with the first screw rod; the sampling drill bit is clamped and matched with the fixing clamp assembly; the connecting cylinder is fixedly connected with the sampling drill bit; the sampling drill bit is of an internal cavity structure; the circumferential side surface of the sampling drill is provided with a first spiral blade; the inner wall of the sampling drill bit is provided with a second spiral blade; the top of the sampling drill bit is fixedly connected with a collecting chamber; an annular channel is formed in the inner wall of the collecting chamber close to the bottom end; the inner wall of the annular groove channel is provided with a plurality of inserting groove channels; the annular groove channel is rotatably connected with a rotating disc component; the rotating disc is fixedly connected with the connecting ring through a connecting spring; the top of the collecting chamber is fixedly connected with a transmission assembly; the transmission assembly comprises a sealing plate and a second telescopic rod; the top of the sealing plate is provided with a mounting hole; the mounting hole is in rotating fit with the second telescopic rod; the bottom of the sealing plate is fixedly connected with a plurality of collecting pipes; the top of the sealing plate is fixedly connected with a second motor fixing seat; the top of the second motor fixing seat is fixedly connected with a second motor; the output end of the second motor is fixedly connected with the second telescopic rod; the circumferential side surface of the second telescopic rod is provided with an annular limiting channel; the peripheral side surface of the second telescopic rod is fixedly connected with a limiting block; and the bottom of the second telescopic rod is fixedly connected with a second screw rod.
Furthermore, a first motor fixing seat is fixedly connected to the top of the support frame; the first motor is fixedly arranged on the first motor fixing seat; the output end of the first motor is fixedly connected with one end of the first screw rod.
Furthermore, a connecting sleeve is fixedly connected between the two first motor fixing seats at the top of the support frame; the connecting sleeve and the connecting cylinder are coaxial.
Further, the retaining clip assembly includes a first threaded sleeve; the peripheral side surface of the first threaded sleeve is fixedly connected with a first telescopic rod; one end of the first telescopic rod is fixedly connected with an annular clamp; fixing plates are symmetrically and fixedly connected to two ends of the annular clamp; the side surface of the fixed plate is provided with a plurality of connecting holes; the first threaded sleeve is in threaded transmission fit with the first lead screw.
Furthermore, the top of the sealing plate is fixedly connected with a plurality of first lifting lugs in a circumferential array.
Furthermore, a rotating channel is formed in the top of the rotating disc; the inner wall of the rotating channel is provided with a limiting channel; the limiting groove channel is matched with the limiting block in a clamping manner; the top of the connecting ring is fixedly connected with a plurality of inserting columns; the insertion column is in insertion fit with the insertion channel; a rotating sleeve is fixedly connected between the inner walls of the connecting rings; a feed inlet is formed in one side, close to the rotating sleeve, of the top of the rotating disc; the rotating sleeve is in rotating fit with the annular limiting groove channel.
Furthermore, the second screw rod is in threaded transmission fit with an anti-blocking assembly; the anti-clogging assembly comprises a second threaded sleeve; the peripheral side face of the second threaded sleeve is fixedly connected with a conical column.
Furthermore, the peripheral side surface of the connecting cylinder is symmetrically and fixedly connected with a limiting ring; the connecting cylinder is positioned in the middle parts of the two limiting rings and is clamped and matched with the two annular clamps; and a plurality of second lifting lugs are symmetrically and fixedly connected to the two ends of the connecting cylinder.
The invention has the following beneficial effects:
1. according to the invention, the fixing clamp assembly is driven to move by the first motor, so that the sampling drill bit enters the soil layer; through the concatenation between the connecting cylinder, realize increasing the drilling depth, realize the collection of the different degree of depth soil.
2. The direction of the discharge hole on the rotating disc assembly is controlled through the second motor and the second telescopic rod, so that the soil with different depths can be loaded into the corresponding collection pipes at one time.
3. According to the invention, the rotation of the second screw rod is driven by the rotation of the second motor, so that the thread transmission of the anti-blocking assembly is driven, the tapered column is made to enter the feeding hole back and forth, and the feeding hole is effectively prevented from being blocked by soil.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a drilling apparatus for soil sampling of soil layers according to the present invention;
FIG. 2 is a schematic structural diagram of the support frame of the present invention;
FIG. 3 is a schematic view of the structure of the sampling drill of the present invention;
FIG. 4 is a schematic structural view of the connector barrel of the present invention;
FIG. 5 is a schematic structural view of a rotating disk assembly of the present invention;
FIG. 6 is a schematic structural diagram of a second lead screw according to the present invention;
FIG. 7 is a schematic structural view of an anti-clog assembly according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a support frame, 2-a first motor, 3-a first screw rod, 4-a fixed clamp component, 5-a sampling drill bit, 6-a connecting cylinder, 7-a rotating disc component, 8-a transmission component, 9-an anti-blocking component, 10-a collection chamber, 101-a first motor fixing seat, 102-a connecting sleeve, 401-a first threaded sleeve, 402-a first telescopic rod, 403-an annular clamp, 404-a fixed plate, 405-a connecting hole, 501-a first spiral blade, 502-a second spiral blade, 601-an annular groove channel, 602-an insertion groove channel, 603-a second spiral blade, 701-a rotating disc, 702-a connecting spring, 703-a connecting ring, 704-a rotating groove channel, 705-a limiting groove channel, 706-an insertion column and 707-a rotating sleeve, 708-a feed inlet, 801-a sealing plate, 802-a second telescopic rod, 803-a mounting hole, 804-a collection pipe, 805-a second motor fixing seat, 806-a second motor, 807-an annular limiting groove channel, 808-a limiting block, 809-a second screw rod, 810-a first lifting lug, 901-a second threaded sleeve, 902-a conical column, 1001-an annular groove channel and 1002-an inserting groove channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "side," "top," "bottom," "peripheral side," "inner wall," "peripheral" and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Referring to fig. 1 to 7, the present invention relates to a drilling device for soil sampling of soil layer, which comprises a support frame 1, a first motor 2, a first screw rod 3, a fixing clamp assembly 4, a sampling drill bit 5 and a connecting cylinder 6; the first screw rod 3 is in running fit with the support frame 1; the fixed clamp assembly 4 is in threaded transmission fit with the first screw rod 3; the sampling drill bit 5 is matched with the fixing clamp assembly 4 in a clamping way; the connecting cylinder 6 is fixedly connected with the sampling drill bit 5; the sampling drill bit 5 is of an internal cavity structure; the circumferential side surface of the sampling drill 5 is provided with a first spiral blade 501; the inner wall of the sampling drill 5 is provided with a second spiral blade 502; the top of the sampling drill bit 5 is fixedly connected with a collection chamber 10; an annular channel 1001 is formed in the inner wall of the collection chamber 10 close to the bottom end; a plurality of inserting channels 1002 are formed in the inner wall of the annular channel 1001; the annular channel 1001 is rotatably connected with a rotating disc assembly 7; the rotating disc assembly 7 includes a rotating disc 701, a coupling spring 702, and a coupling ring 703; the rotating disc 701 is fixedly connected with the connecting ring 703 through a connecting spring 702; the top of the collection chamber 10 is fixedly connected with a transmission component 8; the transmission assembly 8 comprises a sealing plate 801 and a second telescopic rod 802; the top of the sealing plate 801 is provided with a mounting hole 803; the mounting hole 803 is in running fit with the second telescopic rod 802; the bottom of the sealing plate 801 is fixedly connected with a plurality of collecting pipes 804; the top of the sealing plate 801 is fixedly connected with a second motor fixing seat 805; a second motor 806 is fixedly connected to the top of the second motor fixing seat 805; the output end of the second motor 806 is fixedly connected with the second telescopic rod 802; the peripheral side surface of the second telescopic rod 802 is provided with an annular limiting channel 807; the side surface of the second telescopic rod 802 is fixedly connected with a limiting block 808; the bottom of the second telescopic rod 802 is fixedly connected with a second screw rod 809; the top of the sealing plate 801 is fixedly connected with a plurality of first lifting lugs 810 in a circumferential array; the first motor 2 drives the first screw rod 3 to rotate, and the fixed clamp assembly 4 clamps the drilling device to enter a soil layer through the arrangement of the first spiral blade 501; soil enters the interior of the sampling drill during the lowering of the sampling drill 5 and passes through the second helical edge 502 so that the soil enters the corresponding collection tube 804 from the feed opening 708.
Referring to fig. 1 and 2, a first motor fixing seat 101 is fixedly connected to the top of the supporting frame 1; the first motor 2 is fixedly arranged on the first motor fixing seat 101; the output end of the first motor 2 is fixedly connected with one end of the first screw rod 3; a connecting sleeve 102 is fixedly connected between the two first motor fixing seats 101 at the top of the support frame 1; the connecting sleeve 102 and the connecting cylinder 6 are coaxial; the first screw rod 3 is driven to rotate by the rotation of the first motor 2; the connecting sleeve 102 is provided to guide the fixed connecting cylinder 6.
Referring to fig. 2 and 4, the fixing clip assembly 4 includes a first threaded sleeve 401; the peripheral side surface of the first threaded sleeve 401 is fixedly connected with a first telescopic rod 402; one end of the first telescopic rod 402 is fixedly connected with a ring-shaped clamp 403; two ends of the ring-shaped clamp 403 are symmetrically and fixedly connected with fixing plates 404; the side surface of the fixing plate 404 is provided with a plurality of connecting holes 405; the first threaded sleeve 401 is in threaded transmission fit with the first lead screw 3; the peripheral side surface of the connecting cylinder 6 is symmetrically and fixedly connected with a limiting ring 601; the connecting cylinder 6 is positioned in the middle parts of the two limiting rings 601 and is clamped and matched with the two ring clamps 403; a plurality of second lifting lugs 603 are symmetrically and fixedly connected to the two ends of the connecting cylinder 6; the connecting cylinder 6 is clamped by two annular clamps 403 and fixed by fastening bolts through the connecting holes 405; the screw transmission of the fixed clamp assembly 4 is driven through the rotation of the first screw rod 3, so that the drilling device is pressed into a soil layer or pulled out of the soil layer.
Referring to fig. 3 and 5, a rotary slot 704 is formed at the top of the rotary plate 701; the inner wall of the rotating channel 704 is provided with a limit channel 705; the limiting groove 705 is matched with the limiting block 808 in a clamping manner; the top of the connecting ring 703 is fixedly connected with a plurality of plug-in posts 706; the plug column 706 is in plug fit with the plug channel 1002; a rotating sleeve 707 is fixedly connected between the inner walls of the connecting rings 703; a feed inlet 708 is formed in one side, close to the rotating sleeve 707, of the top of the rotating disc 701; the rotating sleeve 706 is in rotating engagement with the annular limit channel 807; the plugging column 706 is in plugging fit with the plugging channel 1002 to play a limiting role and prevent the rotating disc assembly 7 from rotating; the attachment ring 703 is displaceable up and down by the attachment spring 702, and when operated, the attachment ring 703 is depressed, causing the bayonet post 706 to disengage from the bayonet channel 1002, allowing free rotation of the rotary disk assembly 7.
Referring to fig. 6 and 7, the second screw 809 is in threaded transmission fit with the anti-blocking assembly 9; the anti-clogging assembly 9 comprises a second threaded sleeve 901; the peripheral side surface of the second threaded sleeve 901 is fixedly connected with a conical column 902; the rotation through second lead screw 809 drives the screw transmission of anti-blocking assembly 9 for tapered column 902 comes and goes into feed inlet 708, effectively prevents soil from plugging up feed inlet 708.
The specific working principle of the invention is as follows:
the first motor 2 drives the first screw rod 3 to rotate, the fixing clamp assembly 4 clamps the drilling device to enter a soil layer through the arrangement of the first spiral blade 501, soil enters the sampling drill bit in the descending process of the sampling drill bit 5, and the soil enters the corresponding collecting pipe 804 from the feeding hole 708 through the arrangement of the second spiral blade 502; when soil with a deeper depth needs to be collected, the first lifting lug 810 and the second lifting lug 602 are fixedly mounted together through a fastening bolt, so that the drilling depth is increased, the second telescopic rod 802 is started to press down the connecting ring 703, the plugging column 706 is separated from the plugging channel 1002, the rotating disc assembly 7 can freely rotate, and the feeding hole 708 is aligned to other collection pipes; the rotation through second motor 806 drives the rotation of second lead screw 809 to the screw drive that prevents stifled subassembly 9 is driven, makes toper post 902 come and go and get into feed inlet 708, prevents effectively that soil from plugging up feed inlet 708.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A drilling device for soil layer soil sampling comprises a support frame (1), a first motor (2), a first screw rod (3), a fixing clamp assembly (4), a sampling drill bit (5) and a connecting cylinder (6); the first screw rod (3) is in running fit with the support frame (1); the fixed clamp assembly (4) is in threaded transmission fit with the first screw rod (3); the sampling drill bit (5) is matched with the fixing clamp assembly (4) in a clamping manner; the connecting cylinder (6) is fixedly connected with the sampling drill bit (5);
the method is characterized in that:
the sampling drill bit (5) is of an internal cavity structure; a first spiral blade (501) is arranged on the peripheral side surface of the sampling drill bit (5); a second spiral blade (502) is arranged on the inner wall of the sampling drill bit (5);
the top of the sampling drill bit (5) is fixedly connected with a collection chamber (10); an annular channel (1001) is formed in the inner wall of the collection chamber (10) close to the bottom end; the inner wall of the annular groove channel (1001) is provided with a plurality of inserting groove channels (1002); the annular groove channel (1001) is rotationally connected with a rotating disc component (7);
the rotary disc assembly (7) comprises a rotary disc (701), a connecting spring (702) and a connecting ring (703); the rotating disc (701) is fixedly connected with the connecting ring (703) through a connecting spring (702);
the top of the collection chamber (10) is fixedly connected with a transmission assembly (8); the transmission assembly (8) comprises a sealing plate (801) and a second telescopic rod (802); the top of the sealing plate (801) is provided with a mounting hole (803); the mounting hole (803) is in running fit with the second telescopic rod (802); the bottom of the sealing plate (801) is fixedly connected with a plurality of collecting pipes (804); the top of the sealing plate (801) is fixedly connected with a second motor fixing seat (805); the top of the second motor fixing seat (805) is fixedly connected with a second motor (806); the output end of the second motor (806) is fixedly connected with a second telescopic rod (802);
the peripheral side surface of the second telescopic rod (802) is provided with an annular limiting channel (807); the side surface of the second telescopic rod (802) is fixedly connected with a limiting block (808); the bottom of the second telescopic rod (802) is fixedly connected with a second screw rod (809).
2. The drilling equipment for soil layer soil sampling according to claim 1, characterized in that a first motor fixing seat (101) is fixedly connected to the top of the support frame (1); the first motor (2) is fixedly arranged on the first motor fixing seat (101); the output end of the first motor (2) is fixedly connected with one end of the first screw rod (3).
3. The drilling equipment for soil layer soil sampling according to claim 1, characterized in that a connecting sleeve (102) is fixedly connected between the two first motor fixing seats (101) at the top of the supporting frame (1); the connecting sleeve (102) and the connecting cylinder (6) are coaxial.
4. A drilling device for soil sampling in soil layers according to claim 1, characterized in that the retaining clip assembly (4) comprises a first threaded sleeve (401); the peripheral side surface of the first threaded sleeve (401) is fixedly connected with a first telescopic rod (402); one end of the first telescopic rod (402) is fixedly connected with a ring-shaped clamp (403); two ends of the annular clamp (403) are symmetrically and fixedly connected with fixing plates (404); the side surface of the fixing plate (404) is provided with a plurality of connecting holes (405); the first threaded sleeve (401) is in threaded transmission fit with the first screw rod (3).
5. Drilling equipment for soil sampling in the soil layer according to claim 1, characterized in that a plurality of first lifting lugs (810) are fixedly connected to the top of the sealing plate (801) in a circumferential array.
6. A drilling device for soil sampling in the soil layer according to claim 1, characterized in that the top of the rotary disc (701) is provided with a rotary channel (704); the inner wall of the rotating channel (704) is provided with a limit channel (705); the limiting groove channel (705) is in clamping fit with the limiting block (808); the top of the connecting ring (703) is fixedly connected with a plurality of plug-in columns (706); the plug column (706) is in plug fit with the plug channel (1002); a rotating sleeve (707) is fixedly connected between the inner walls of the connecting rings (703); a feed inlet (708) is formed in one side, close to the rotating sleeve (707), of the top of the rotating disc (701); the rotating sleeve (706) is rotationally engaged with an annular limit channel (807).
7. Drilling device for soil sampling in soil layers according to claim 1, characterised in that said second screw (809) is screw-drive fitted with an anti-clogging assembly (9); the anti-clogging assembly (9) comprises a second threaded sleeve (901); the peripheral side surface of the second threaded sleeve (901) is fixedly connected with a conical column (902).
8. Drilling equipment for soil layer soil sampling according to claim 1, characterized in that the connecting cylinder (6) is fixedly connected with a spacing ring (601) symmetrically on the peripheral side; the connecting cylinder (6) is positioned in the middle parts of the two limiting rings (601) and is clamped and matched with the two ring clamps (403); and a plurality of second lifting lugs (603) are symmetrically and fixedly connected to the two ends of the connecting cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927239.9A CN112067347A (en) | 2020-09-07 | 2020-09-07 | A drilling equipment for soil layer soil sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927239.9A CN112067347A (en) | 2020-09-07 | 2020-09-07 | A drilling equipment for soil layer soil sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112067347A true CN112067347A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010927239.9A Withdrawn CN112067347A (en) | 2020-09-07 | 2020-09-07 | A drilling equipment for soil layer soil sample |
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| Country | Link |
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| CN (1) | CN112067347A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356889A (en) * | 2021-07-14 | 2021-09-07 | 哈尔滨工业大学 | Grouting device and box type reinforcing method for advanced drill pipe right above tunnel |
| CN114215511A (en) * | 2021-12-20 | 2022-03-22 | 四川省金核地质勘查工程有限公司 | Geology reconnaissance probing device |
-
2020
- 2020-09-07 CN CN202010927239.9A patent/CN112067347A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356889A (en) * | 2021-07-14 | 2021-09-07 | 哈尔滨工业大学 | Grouting device and box type reinforcing method for advanced drill pipe right above tunnel |
| CN113356889B (en) * | 2021-07-14 | 2022-07-15 | 哈尔滨工业大学 | Box type reinforcing method for advanced drill pipe right above tunnel |
| CN114215511A (en) * | 2021-12-20 | 2022-03-22 | 四川省金核地质勘查工程有限公司 | Geology reconnaissance probing device |
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Application publication date: 20201211 |
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