CN110320064B - Deep soil stratified sampling device in soil investigation sample - Google Patents
Deep soil stratified sampling device in soil investigation sample Download PDFInfo
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- CN110320064B CN110320064B CN201910501316.1A CN201910501316A CN110320064B CN 110320064 B CN110320064 B CN 110320064B CN 201910501316 A CN201910501316 A CN 201910501316A CN 110320064 B CN110320064 B CN 110320064B
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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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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a stratified sampling device for deep soil in soil investigation sampling, which comprises a rotary drum, a built-in drum, a supporting mechanism and a soil scraping device, wherein the rotary drum is arranged in the built-in drum; rotating the drum: the rotary drum includes rotary drum and lower rotary drum, go up the rotary drum and pass through threaded connection with lower rotary drum, seted up two soil sampling holes on the lower rotary drum, built-in section of thick bamboo: the built-in barrel comprises a rotary barrel and a sampling barrel, the sampling barrel is in threaded connection with the bottom end of the lower rotary barrel, and the sampling barrel is externally arranged: external section of thick bamboo is located the outside of built-in section of thick bamboo, deep soil stratified sampling device in this soil investigation sample has following benefit: be equipped with the scraper, simple structure, easily operation replaces the direct mode sample with soil contact of current sampling bottle, and the sample is efficient, is equipped with the geotome, has overcome deep soil and is difficult to the problem of closing sampling device when gathering the end, utilizes the pivoted mode to control opening and closing of sampling device, the operation of being convenient for, the error that non-sample soil layer caused is little.
Description
Technical Field
The invention relates to the technical field of soil sampling, in particular to a deep soil layered sampling device in soil investigation sampling.
Background
The soil sampling refers to a method for collecting soil samples, and comprises the steps of laying and sampling the samples, collecting section soil samples, wherein the section soil samples are collected after section observation and recording are finished, the soil is firstly drilled before sampling, and then the soil is sampled from a central typical part layer by layer from top to bottom by layer by using a sampling device.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a deep soil layered sampling device in soil investigation sampling, which has the advantages of small diameter, difficult damage to soil layer structure, good soil scraping effect of layered sampling, high sampling efficiency and high accuracy of sampling positions, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a stratified sampling device for deep soil in soil investigation sampling comprises a rotary drum, a built-in drum, a supporting mechanism and a soil scraping device;
rotating the drum: the rotating cylinder comprises an upper rotating cylinder and a lower rotating cylinder, the upper rotating cylinder is connected with the lower rotating cylinder through threads, and the lower rotating cylinder is provided with two soil taking holes;
a built-in cylinder: the built-in barrel comprises a rotating barrel and a sampling barrel, and the sampling barrel is in threaded connection with the bottom end of the lower rotating barrel;
an external cylinder: the external barrel is positioned at the outer side of the internal barrel, the structure of the external barrel is the same as that of the rotary barrel, the position of a soil taking hole in the external barrel is the same as the size and the position of a soil taking hole in the side surface of the internal barrel, and the external barrel is rotatably connected with the internal barrel;
a support mechanism: the supporting mechanism is rotationally connected to the middle part of the external cylinder;
a soil scraping device: the soil scraping device comprises two guide rods, a scraper blade, a connecting arm and a mounting block, wherein the two connecting arms are symmetrically hinged to the side surface of the mounting block, the other end of each connecting arm is hinged to the scraper blade, the guide rods are arranged in the built-in cylinder and located below the two soil taking holes, and the bottom end of the scraper blade is connected with the guide rods in a sliding mode through sliding plates;
wherein: the mounting block is arranged at the bottom end of the screw rod and is rotatably connected with the screw rod through a tapered roller bearing, and the top end of the screw rod is connected with the built-in barrel.
This device supports through supporting mechanism, avoids crooked, and built-in section of thick bamboo and the crisscross soil sampling hole that sets up of external section of thick bamboo to realize the coincidence of soil sampling hole of two sections of thick bamboos through twisting away built-in section of thick bamboo, conveniently get soil, be close to soil sampling hole position in the built-in section of thick bamboo and be equipped with the scraper device, and through upwards pulling the screw rod, drive linking arm pulling scraper blade and slide out the soil sampling hole along the guide bar, scrape soil, the efficiency of scraping soil is high, improves the efficiency of gathering the sample.
Go up the bottom of rotary drum and be equipped with female adapter, the top is equipped with the through-hole, and the one end of lower rotary drum is equipped with female adapter, and the other end is equipped with male adapter, and threaded connection's mode is convenient for install and dismantle.
Still include the connecting cylinder, the connecting cylinder includes external thread joint one and adds a long section of thick bamboo, the one end of adding a long section of thick bamboo is arranged in to external thread joint one, and the other end that adds a long section of thick bamboo is equipped with interior thread joint one, exterior thread joint one, interior thread joint and external thread joint's specification is the same, add long section of thick bamboo and lie in between rotary drum and the lower rotary drum, the connecting cylinder is used for lengthening the device, does benefit to and samples deeper soil layer, and the threaded specification is the same, conveniently changes different positions, and utilizes the control sampling depth.
The top of sampling tube is equipped with external thread joint, external thread joint and the internal thread joint threaded connection of lower rotary drum tip, and the diameter of sampling tube is greater than the diameter of external section of thick bamboo, and the installation that the sampling tube can be quick is quick takes out the sample when doing benefit to the layering sample to install fast when the extension connecting cylinder.
Supporting mechanism includes bedplate, adjusting screw and backup pad, go up the bedplate and rotate to be connected on external section of thick bamboo, adjusting screw is equipped with four groups, and the array distributes on last bedplate, adjusting screw and last bedplate threaded connection, and adjusting screw's bottom is rotated with the backup pad and is connected, supports soil through the backup pad, avoids the soil layer darker, leads to the device crooked, can the fixing device position, and is equipped with adjusting screw and is convenient for finely tune and explores the degree of depth, improves the precision of sampling position.
The bottom of adjusting screw rod is the no threaded rod with the part that the backup pad rotation is connected, the backup pad is ring shape backup pad, and the no threaded rod is convenient for the fixed support board, and the backup pad sets up to ring shape, can adapt to peripheral soil environment.
Still including the installation arm, the installation arm is equipped with four groups, and distributes on the top of built-in section of thick bamboo, and the handle is installed to the tip of installation arm, be equipped with the round pin shaft hole on the installation arm, the handle is favorable to the staff to rotate built-in section of thick bamboo.
Still include the swinging boom, the swinging boom is equipped with two sets ofly, and the symmetric distribution is on the top of external section of thick bamboo, and the swinging boom is parallel with the position of installation arm, is equipped with the through-hole that corresponds with the round pin shaft hole on the swinging boom, and the swinging boom is favorable to forming the contrast with the installation arm, judges whether the hole of fetching earth on two barrels coincides, and makes things convenient for the external section of thick bamboo of solitary rotation.
The soil taking device is characterized by further comprising a limiting pin shaft, the limiting pin shaft penetrates through a through hole of the rotating arm and a pin shaft hole in the installation arm, a hexagonal limiting block is arranged at the top end of the limiting pin shaft, the rotating arm and the installation arm are fixed through the limiting pin shaft, the soil taking hole can be prevented from being opened by mistake when the soil taking hole is submerged or ascended, and the external barrel and the internal barrel can be conveniently rotated simultaneously.
The screw rod is provided with threads and is in threaded connection with the top end of the built-in barrel, the turntable is installed at the top end of the screw rod, the installation block is moved upwards in a mode of screwing the screw rod, the screw rod is replaced by being pulled up, the labor is saved, the rising distance is high in accuracy, and the structure of the lower portion is not prone to being damaged.
Compared with the prior art, the invention has the beneficial effects that: this deep soil stratified sampling device in soil investigation sample has following benefit:
1. the soil scraping device is arranged, the screw rod ascends to drive the mounting block to pull the connecting arm, so that the scraper blade slides along the guide rod to control the use and the closing of the scraper blade, the structure is simple, the operation is easy, the soil can be scraped when the scraper blade reaches a sampling position, the existing sampling mode that a sampling bottle directly contacts with the soil is replaced, and the sampling efficiency is high;
2. the soil sampling device is provided with four soil sampling holes, the soil sampling is carried out when the soil sampling holes of the internal cylinder and the external cylinder are overlapped by utilizing the position relation of the internal cylinder and the external cylinder, the sampling is stopped when the soil sampling holes of the internal cylinder and the external cylinder are vertical, the problem that the deep soil is difficult to close the sampling device after the collection is finished is solved, the diameters of the internal cylinder and the external cylinder are small, the soil layer structure is not easy to damage, the opening and closing of the sampling device are controlled by utilizing a rotating mode, the operation is convenient, the sealing performance is good, and the error caused by a non-sampling soil layer is small during sampling;
3. the device is provided with the supporting mechanism, the supporting mechanism supports the device through the annular supporting plate, the problem that soil in a drilling zone is accumulated at the hole is solved, the supporting plate is easy to fix at the hole, the height of the device is adjusted through the four adjusting screws, the sampling height can be conveniently and accurately adjusted in a fine adjustment mode, the accuracy of the collected sample is improved, and the collecting error is reduced;
4. be equipped with installation arm and swinging boom, the relation of installation arm and swinging boom corresponds with the position relation in geotome, makes things convenient for the staff to know the geotome and is in what kind of state, and the installation arm is fixed through spacing round pin axle with the swinging boom, avoids the geotome to lead to being in the state of opening because of error or the in-process friction that rises, and installation arm and swinging boom are convenient to rotate the device, do benefit to and improve sampling efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the drum of the present invention;
fig. 3 is a schematic structural view of the scraping device of the invention.
In the figure: the soil sampler comprises a soil sampling hole 1, a sampling cylinder 2, a built-in cylinder 3, an external cylinder 4, a supporting mechanism 5, an upper seat plate 51, an adjusting screw 52, a supporting plate 53, a connecting cylinder 6, a first external thread connector 61, an extended cylinder 62, a rotating cylinder 7, an upper rotating cylinder 71, a lower rotating cylinder 72, a soil scraping device 8, a guide rod 81, a scraper 82, a connecting arm 83, an installation block 84, a screw 9, a rotating disc 10, an installation arm 11, a handle 12, a limit pin 13 and a rotating arm 14.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a stratified sampling device for deep soil in soil investigation sampling comprises a rotary drum 7, a built-in drum 3, a supporting mechanism 5 and a soil scraping device 8;
the drum 7: the rotary drum 7 comprises an upper rotary drum 71 and a lower rotary drum 72, the upper rotary drum 71 is in threaded connection with the lower rotary drum 72, the threaded connection is easy to install and disassemble, two soil taking holes 1 are formed in the lower rotary drum 72, the soil taking holes 1 are soil sampling windows, an internal thread joint is arranged at the bottom end of the upper rotary drum 71, a through hole is formed in the top end of the upper rotary drum, an internal thread joint is arranged at one end of the lower rotary drum 72, an external thread joint is arranged at the other end of the upper rotary drum 71 and the lower rotary drum 72, the length of the upper rotary drum 71 and the length of the lower rotary drum 72 are convenient to add, the rotary drum 6 is a cylinder with known length, the diameter of the rotary drum 7 is the same as that of the rotary drum 7, the rotary drum 6 comprises a first external thread joint 61 and an extended rotary drum 62, the first external thread joint 61 is arranged at one end of the extended drum 62, the other end of the extended drum 62 is provided with a first internal thread joint, the first external thread joint, the specifications of the first internal thread joint and the external thread joint are the extended drum 62, the extended drum 62 is arranged between the upper rotary drum 71 and the lower rotary drum 72, and the joints at the two ends of the extended drum 62 enable the extended drum 62 to use a plurality of sampling devices to adapt to deeper soil layers;
the built-in cylinder 3: the built-in barrel 3 comprises a rotary barrel 7 and a sampling barrel 2, the sampling barrel 2 is in threaded connection with the bottom end of the lower rotary barrel 72, an external thread joint II is arranged at the top end of the sampling barrel 2 and is in threaded connection with an internal thread joint at the end part of the lower rotary barrel 72, the threaded connection is convenient to install and disassemble, multiple times of disassembly is inevitably needed in the sampling process, the threaded connection can greatly improve the disassembly efficiency, the diameter of the sampling tube 2 is larger than that of the external tube 4, the sampling tube further comprises mounting arms 11, the mounting arms 11 are provided with four groups and distributed at the top end of the internal tube 3, the end part of the mounting arm 11 is provided with a handle 12, the handle 12 is convenient for workers to hold, labor is saved when the sampling tube rotates, and the mounting arm 11 is provided with a pin shaft hole for mounting a limiting pin shaft 13;
an external cylinder 4: the external cylinder 4 is positioned outside the internal cylinder 3, the structure of the external cylinder 4 is the same as that of the rotary cylinder 7, the diameter of the external cylinder 4 is larger than that of the internal cylinder 3, the position of a soil taking hole 1 on the external cylinder 4 is the same as that of a soil taking hole 1 on the side surface of the internal cylinder 3 in size and position, when the external cylinder 4 and the internal cylinder 3 are in a sampling opening state, the positions of the soil taking holes 1 on the external cylinder 4 and the internal cylinder 3 are superposed, the position of the soil taking hole 1 in a closing state is vertical, the external cylinder 4 is rotatably connected with the internal cylinder 3, the position of the soil taking hole 1 is changed by rotating ninety degrees, the device is controlled to be opened and closed, the device is convenient to operate, the external cylinder type soil sampler further comprises two groups of rotary arms 14, the rotary arms 14 are symmetrically distributed at the top end of the external cylinder 4 and used for rotating the external cylinder 4, the rotary arms 14 are parallel to the position of the mounting arms 11, through holes corresponding to the pin holes are arranged on the rotary arms 14, the rotary arms 13 penetrate through the through holes of the rotary arms 14 and the mounting arms 11 and are used for fixing the rotary arms 14 and preventing the soil taking holes 1 from being damaged due to the leakage of the internal cylinder 3, the limiting pins and the limiting pins 13 are arranged on the internal cylinder for supporting the limiting arms 11;
the supporting mechanism 5: the supporting mechanism 5 is rotatably connected to the middle of the external barrel 4 and used for supporting the whole structure and avoiding shaking or deflection of the structure, the supporting mechanism 5 comprises an upper seat plate 51, adjusting screws 52 and a supporting plate 53, the upper seat plate 51 is rotatably connected to the external barrel 4, four groups of adjusting screws 52 are arranged and distributed on the upper seat plate 51 in an array manner, the adjusting screws 52 are in threaded connection with the upper seat plate 51, the bottom ends of the adjusting screws 52 are rotatably connected with the supporting plate 53, the adjusting screws 52 move upwards or downwards by rotating the adjusting screws 52, the whole device can move along with the device, the sampling depth can be finely adjusted conveniently, the part of the bottom ends of the adjusting screws 52, which is rotatably connected with the supporting plate 53, is a non-threaded rod, and the supporting plate 53 is a circular supporting plate and is convenient to fix on the soil surface;
the soil scraping device 8: the soil scraping device 8 comprises a guide rod 81, a scraper 82, a connecting arm 83 and a mounting block 84, the connecting arm 83 is provided with two parts which are symmetrically hinged to the side surface of the mounting block 84, the other end of the connecting arm 83 is hinged to the scraper 82, the scraper 82 is used for scraping soil, the guide rod 81 is arranged in the built-in cylinder 3, the connecting arm 82 plays a role in guiding the scraper 82 and is positioned below the two soil taking holes 1, the bottom end of the scraper 82 is connected with the guide rod 81 in a sliding mode through a sliding plate, when the mounting block 84 descends, the connecting arm 83 starts to rotate under the force of the mounting block 84 and transmits the force to the scraper 82, the scraper 82 moves out of the soil taking holes 1 along the guide rod 81, and the soil scraping device 8 is opened;
wherein: the lifting device is characterized by further comprising a screw 9, the mounting block 84 is arranged at the bottom end of the screw 9 and is rotatably connected with the screw 9 through a tapered roller bearing, the lifting and descending of the mounting block 84 are controlled by the screw 9, the top end of the screw 9 is connected with the built-in barrel 3, threads are arranged on the screw 9, the screw 9 is in threaded connection with the top end of the built-in barrel 3, the lifting and descending of the mounting block 84 are controlled by screwing the screw 9, the accuracy is high, labor is saved, and the turntable 10 is installed at the top end of the screw 9, so that the screw 9 can be rotated conveniently.
When in use: in the initial state, the soil sampling hole 1 is closed, the limiting pin shaft 13 is placed in the pin shaft hole and the through hole, the mounting arm 11 and the rotating arm 14 are fixed, the device is placed in a pre-drilled hole, the supporting plate 53 is tightly fixed to soil, four adjusting screws are screwed, the upper seat plate 51 drives the external cylinder 4 to ascend and descend, the height is subjected to micro adjustment, after the sampling height is reached, the limiting pin shaft 13 is taken out, the internal cylinder 3 is rotated by ninety degrees through the handle 12, the soil sampling hole 1 is overlapped, the rotary disc 10 is rotated, the screw 9 is driven to rotate, the mounting block 84 descends, the connecting arm 83 starts to rotate under the force of the mounting block 84, the force is transmitted to the scraper 82, the scraper 82 slides out of the soil sampling hole 1 along the guide rod 81, the soil scraping device 8 is opened, then the limiting pin shaft 13 is continuously fixed, the internal cylinder 3 is rotated, the external cylinder 4 and the scraper 82 are driven to collect soil in the soil layer, the soil enters the soil sampling cylinder 2 along the soil sampling hole 1 after the soil is scraped, and the sampling is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a deep soil stratified sampling device in soil investigation sample which characterized in that: comprises a rotary drum (7), a built-in drum (3), a supporting mechanism (5) and a soil scraping device (8);
drum (7): the rotating cylinder (7) comprises an upper rotating cylinder (71) and a lower rotating cylinder (72), the upper rotating cylinder (71) is connected with the lower rotating cylinder (72) through threads, and the lower rotating cylinder (72) is provided with two soil sampling holes (1);
built-in cylinder (3): the built-in barrel (3) comprises a rotating barrel (7) and a sampling barrel (2), and the sampling barrel (2) is in threaded connection with the bottom end of the lower rotating barrel (72);
external cylinder (4): the external barrel (4) is positioned on the outer side of the internal barrel (3), the structure of the external barrel (4) is the same as that of the rotary barrel (7), the size and the position of a soil taking hole (1) in the external barrel (4) are the same as those of the soil taking hole (1) in the side face of the internal barrel (3), and the external barrel (4) is rotatably connected with the internal barrel (3);
support mechanism (5): the supporting mechanism (5) is rotatably connected to the middle part of the external cylinder (4);
scraper (8): the soil scraping device (8) comprises two guide rods (81), two scraping plates (82), a connecting arm (83) and a mounting block (84), the connecting arm (83) is symmetrically hinged to the side face of the mounting block (84), the other end of the connecting arm (83) is hinged to the scraping plates (82), the guide rods (81) are arranged in the built-in barrel (3) and located below the two soil taking holes (1), and the bottom ends of the scraping plates (82) are connected with the guide rods (81) in a sliding mode through sliding plates;
wherein: the mounting block (84) is arranged at the bottom end of the screw rod (9) and is rotatably connected with the screw rod (9) through a tapered roller bearing, and the top end of the screw rod (9) is connected with the built-in barrel (3);
an internal thread joint is arranged at the bottom end of the upper rotary drum (71), a through hole is formed in the top end of the upper rotary drum, an internal thread joint is arranged at one end of the lower rotary drum (72), and an external thread joint is arranged at the other end of the lower rotary drum;
the connecting cylinder (6) comprises a first external thread joint (61) and a first lengthening cylinder (62), the first external thread joint (61) is arranged at one end of the lengthening cylinder (62), a first internal thread joint is arranged at the other end of the lengthening cylinder (62), the specifications of the first external thread joint (61), the first internal thread joint and the external thread joint are the same, and the lengthening cylinder (62) is positioned between the upper rotary cylinder (71) and the lower rotary cylinder (72);
the top end of the sampling cylinder (2) is provided with a second external thread joint, the second external thread joint is in threaded connection with the internal thread joint at the end part of the lower rotary cylinder (72), and the diameter of the sampling cylinder (2) is larger than that of the external cylinder (4);
the supporting mechanism (5) comprises an upper seat plate (51), adjusting screws (52) and a supporting plate (53), the upper seat plate (51) is rotatably connected to the external cylinder (4), the adjusting screws (52) are provided with four groups and distributed on the upper seat plate (51) in an array manner, the adjusting screws (52) are in threaded connection with the upper seat plate (51), and the bottom ends of the adjusting screws (52) are rotatably connected with the supporting plate (53);
the part of the bottom end of the adjusting screw rod (52) rotatably connected with the supporting plate (53) is a non-threaded rod, and the supporting plate (53) is a circular supporting plate;
the device is characterized by further comprising four groups of mounting arms (11), the four groups of mounting arms (11) are distributed at the top end of the built-in barrel (3), a handle (12) is mounted at the end part of each mounting arm (11), and a pin shaft hole is formed in each mounting arm (11);
the device is characterized by further comprising two groups of rotating arms (14), wherein the two groups of rotating arms (14) are symmetrically distributed at the top end of the external cylinder (4), the positions of the rotating arms (14) and the mounting arm (11) are parallel, and through holes corresponding to the pin shaft holes are formed in the rotating arms (14);
the device is characterized by further comprising a limiting pin shaft (13), wherein the limiting pin shaft (13) penetrates through a through hole of the rotating arm (14) and a pin shaft hole in the mounting arm (11), and a hexagonal limiting block is arranged at the top end of the limiting pin shaft (13);
the screw rod (9) is provided with threads, the screw rod (9) is in threaded connection with the top end of the built-in barrel (3), and the top end of the screw rod (9) is provided with a turntable (10).
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| CN201910501316.1A CN110320064B (en) | 2019-06-11 | 2019-06-11 | Deep soil stratified sampling device in soil investigation sample |
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| CN201910501316.1A CN110320064B (en) | 2019-06-11 | 2019-06-11 | Deep soil stratified sampling device in soil investigation sample |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110940552A (en) * | 2019-12-12 | 2020-03-31 | 叶兴武 | Agricultural soil sampling device |
| CN211825116U (en) * | 2020-01-15 | 2020-10-30 | 交大环境保护研究院(江苏)有限公司 | Deep soil stratified sampling device in soil investigation sample |
| CN111257052B (en) * | 2020-04-11 | 2020-11-17 | 苏州市东挺河智能科技发展有限公司 | Strong-safety corrosive sewage sampling device |
| CN111458181B (en) * | 2020-05-28 | 2023-05-19 | 生态环境部南京环境科学研究所 | Layered soil sampling device for soil detection |
| CN111811879B (en) * | 2020-06-12 | 2024-02-09 | 安徽云龙粮机有限公司 | Intelligent multipoint acquisition tube for automatic sampler |
| CN114323766A (en) * | 2022-01-12 | 2022-04-12 | 赵新雷 | Layered sampling device for contaminated soil investigation |
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