CN112240841A - Soil sampling device is used in environmental protection field monitoring - Google Patents
Soil sampling device is used in environmental protection field monitoring Download PDFInfo
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- CN112240841A CN112240841A CN202011281896.7A CN202011281896A CN112240841A CN 112240841 A CN112240841 A CN 112240841A CN 202011281896 A CN202011281896 A CN 202011281896A CN 112240841 A CN112240841 A CN 112240841A
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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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Abstract
The utility model provides a soil sampling device is used in environmental protection field monitoring, includes shell structure, drive structure, gas collection structure, extending structure, drill bit structure, and shell structure includes that the lower extreme is equipped with the open-ended shell, and the drive structure includes cylinder, catch bar, and the one end and the cylinder of catch bar are connected, and the other end of catch bar runs through the inside and outside surface of shell and stretches into in the shell. The air collecting frame can realize the concentration and circulation of air so as to suck the air in the telescopic frame into the space on the left side of the partition plate and enter the connecting frame through the space on the right side of the partition plate, thereby realizing the circular flow of the air; and the gas collection frame not only can realize the concentration of air, can also reciprocate through catch bar drive it, and then realizes reciprocating of flexible frame through the sealed air between gas collection frame and the flexible frame to adjust the seventh through-hole and stretch out the shell, can strike off the outside soil of flexible frame through scraping the piece simultaneously, improve the efficiency to the soil sample.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to a soil sampling device for monitoring in the field of environmental protection.
Background
In the field of environmental protection, soil is often monitored to monitor whether the soil is contaminated or the degree of contamination, so that the soil can be purified by necessary means. Current soil sampling device can insert soil as far as possible, then rely on rocking of deep soil self gravity or sampling device to make deep soil enter into sampling device in, this kind of mode sample inefficiency to in soil is difficult to enter into sampling device, the sample mode is passive, can't satisfy actual to abrupt sample demand.
Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a soil sampling device for monitoring in the field of environmental protection, which can effectively solve the technical problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
a soil sampling device for monitoring in the environmental protection field comprises a shell structure, a driving structure arranged in the shell structure, a gas collection structure contained in the shell structure, a telescopic structure arranged at the lower end of the shell structure, and a drill bit structure arranged below the telescopic structure, wherein the shell structure comprises a shell with an opening at the lower end, the driving structure comprises an air cylinder and a push rod arranged on the air cylinder, one end of the push rod is connected with the air cylinder, the other end of the push rod penetrates through the inner surface and the outer surface of the shell and extends into the shell, the gas collection structure comprises a gas collection frame, the gas collection frame is contained in the shell and is in sliding sealing connection with the gas collection frame, the other end of the push rod is fixedly connected with the gas collection frame, the telescopic structure comprises a telescopic frame with an opening at the lower end, and the upper end of the telescopic frame penetrates through the opening at the lower end of the shell and extends into the shell, the flexible frame with shell sliding seal connects, the drill bit structure include the backup pad, set up in the collection frame of backup pad top, be located first drill bit and the second drill bit of backup pad below, the upper surface top of backup pad leans on the lower surface of flexible frame, collect the lower surface of frame with the last fixed surface of backup pad is connected, collect the frame accept in flexible frame and rather than threaded connection, the upper surface top of first drill bit leans on the lower surface of backup pad and rather than sliding contact, the lower surface of first drill bit with the last fixed surface of second drill bit is connected.
Compared with the prior art, the invention has the following beneficial effects: the soil sampling device for monitoring in the environmental protection field can realize the concentration and circulation of air through the arrangement of the air collecting frame, so that the air in the telescopic frame is pumped into the space on the left side of the partition plate and enters the connecting frame through the space on the right side of the partition plate, and further the circular flow of the air is realized; the air collection frame can not only realize the concentration of air, but also drive the air collection frame to move up and down through the push rod, so that the telescopic frame can move up and down through the air sealed between the air collection frame and the telescopic frame, the seventh through hole can be adjusted to extend out of the shell, meanwhile, soil outside the telescopic frame can be scraped through the scraping block, and the soil sampling efficiency is improved; meanwhile, in the process of air circulation, the first fan blades can be driven to rotate, so that the scraping plate rotates on the lower surface of the filter screen, dust, impurities and the like on the lower surface of the filter screen can be scraped, the filter screen can continuously and efficiently filter the air, and the air circulation is ensured; the scraping block can move up and down due to the up-and-down movement of the telescopic frame, so that the scraping block can scrape soil outside the telescopic frame, and the efficiency of the soil entering the telescopic frame is improved; simultaneously in the flow of air can be blown into concentrated frame, then through the drive of second flabellum first drill bit and second drill bit are rotatory, and rotatory second drill bit can drive the inclined hole rotatory thereupon for the air that the inclined hole blew off can 360 degrees rotations, and with the comprehensive drive of soil granule around to flexible frame in, conveniently concentrate soil to collect the frame in, the convenient collection to soil granule.
Drawings
FIG. 1 is a top view of a soil sampling device for environmental monitoring in accordance with the present invention;
FIG. 2 is a cross-sectional view taken along A-A' of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 1;
FIG. 3 is a cross-sectional view taken along the line B-B' of the soil sampling device for monitoring in the eco-friendly field of the invention shown in FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction C-C' of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 2;
FIG. 5 is a cross-sectional view taken along the direction D-D' of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 2;
FIG. 6 is a cross-sectional view taken along E-E' of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 2;
FIG. 7 is a sectional view taken along the direction F-F' of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 2;
FIG. 8 is an enlarged view of a portion G of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in FIG. 2;
fig. 9 is a partially enlarged view of the soil sampling device for monitoring in the eco-friendly field of the present invention shown in fig. 2.
Detailed Description
The soil sampling device for monitoring in the environmental protection field of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in fig. 1 to 9, the soil sampling device for monitoring in the environmental protection field of the present invention includes a housing structure 1, a driving structure 2 disposed on the housing structure 1, a gas collecting structure 3 disposed in the housing structure 1, a telescopic structure 4 disposed at a lower end of the housing structure 1, a scraping block structure 5 disposed in the telescopic structure 4, a drill bit structure 6 located below the telescopic structure 4, and a fan blade structure 7 disposed in the drill bit structure 6.
As shown in fig. 1 to 3, the housing structure 1 includes a housing 11, a first duct 12 disposed above the housing 11, a blower 13 disposed on the first duct 12, and a holding frame 14 disposed outside the housing 11. The housing 11 is preferably a hollow cylinder, an opening is formed in the lower end of the housing 11, a first through hole 111 and a second through hole 112 are formed in the upper surface of the housing 11, and the first through hole 111 and the second through hole 112 penetrate through the inner surface and the outer surface of the housing 11. One end of the first pipe 12 is aligned with the first through hole 111 and fixedly connected to the upper surface of the housing 11, and the other end of the first pipe 12 is aligned with the second through hole 112 and fixedly connected to the upper surface of the housing 11, so that the inside of the first pipe 12 is communicated with the first through hole 111 and the second through hole 112. The fan 13 is electrically connected to a power source (not shown) to provide electric energy to the fan 13, so that the fan can normally operate, a switch (not shown) is disposed on the fan 13 to control the fan to be turned on or off, and the fan 13 can draw air in the first through hole 111 into the second through hole 112. The holding frame 14 is in a shape of a concave shape placed laterally, and two ends of the holding frame 14 are fixedly connected with the side surface of the shell 11, so that a user can hold the holding frame conveniently.
The shell structure 1 is arranged to enable the lower end of the shell 11 to extend into soil, so that the lower end of the shell 11 is in contact with a sample extending out of the soil, and sampling is facilitated; meanwhile, by arranging the fan 13 and the first pipeline 12, air in the first through hole 111 can be sucked into the second through hole 112, so that air circulation is realized; and the holding frame 14 is arranged to be held by a user for operating the invention.
As shown in fig. 1 and 2, the driving structure 2 includes a cylinder 21 and a push rod 22 disposed on the cylinder 21. The cylinder 21 is located outside the housing 11 and above the housing 11, and a switch (not shown) is disposed on the cylinder 21 for controlling the on/off of the cylinder. One end of the push rod 22 is connected with the cylinder 21, so that the cylinder 21 can drive the push rod 22 to move up and down, the other end of the push rod 22 penetrates through the inner surface and the outer surface of the shell 11 and is in sliding contact with the inner surface and the outer surface, so that the push rod 22 can stably move up and down, and the other end of the push rod 22 extends into the shell 11. The driving structure 2 may further include a fixing frame disposed on the cylinder 21, one end of the fixing frame is fixedly connected to the cylinder 21, and the other end of the fixing frame is fixedly connected to the outer surface of the housing 11, so as to support and fix the cylinder 21.
The driving structure 2 can drive the pushing rod 22 to move up and down through the air cylinder 21, so as to drive the gas collecting structure 3 to move up and down in the housing 11, so as to compress the gas below the gas collecting structure 3.
As shown in fig. 2 and 3, the gas collecting structure 3 includes a gas collecting frame 31, a partition plate 32 disposed in the gas collecting frame 31, a second duct 33 and a third duct 34 located above the gas collecting frame 31, and a fourth duct 35 and a fifth duct 36 disposed below the gas collecting frame 31. The gas collecting frame 31 is a hollow cylinder, the gas collecting frame 31 is accommodated in the housing 11 and is in sliding sealing connection with the inner surface of the housing 11, the sliding sealing connection is that a sealing ring (not shown) is arranged between the outer side surface of the gas collecting frame 31 and the inner side surface of the housing 11, the sealing ring is fixedly connected with the outer side surface of the gas collecting frame 31, and the sealing ring is in sliding connection with the inner side surface of the housing 11, so that the gas collecting frame 31 and the sealing ring move up and down in the housing 11 together, thereby achieving a sealing effect and preventing gas below the gas collecting frame 31 from entering the upper part of the gas collecting frame, which belongs to the prior art, and therefore is not repeated herein, the gas collecting frame 31 is provided with a third through hole 311, a fourth through hole 312, a fifth through hole 313 and a sixth through hole 314 which are arranged on the upper surface of the gas collecting frame, the third through hole 311, the fourth through hole 312, the fifth through hole 313 and the sixth, the third through hole 311 and the fourth through hole 312 are located on the left and right sides of the partition plate 32, and the fifth through hole 313 and the sixth through hole 314 are located on the left and right sides of the partition plate 32. The partition plate 32 is accommodated in the gas collection frame 31 and is fixedly connected to the inner surface of the gas collection frame 31, and the lower end of the push rod 22 is fixedly connected to the upper surface of the gas collection frame 31, so that the gas collection frame 31 can be driven to move up and down in the housing 11. The lower end of the second pipeline 33 is aligned with the third through hole 311 and is fixedly connected with the upper surface of the gas collecting frame 31, and the upper end of the second pipeline 33 is aligned with the first through hole 111 and is fixedly connected with the inner surface of the shell 11. The lower end of the third pipe 34 is aligned with the fourth through hole 312 and fixedly connected to the upper surface of the air collecting frame 31, and the upper end of the third pipe 34 is aligned with the second through hole 112 and fixedly connected to the inner surface of the housing 11. The upper end of the fourth pipe 35 is aligned with the fifth through hole 313 and is fixedly connected with the lower surface of the gas collecting frame 31, and the upper end of the fifth pipe 36 is aligned with the sixth through hole 314 and is fixedly connected with the lower surface of the gas collecting frame 31. The second pipeline 33, the third pipeline 34, the fourth pipeline 35 and the fifth pipeline 36 are all made of hose materials.
As shown in fig. 2, 4-6, 8 and 9, the telescopic structure 4 includes a telescopic frame 41, a plurality of first springs 42 disposed above the telescopic frame 41, a fixing block 43 disposed above the first springs 42, a connecting frame 44 housed in the telescopic frame 41, and a filter screen 45 disposed on the connecting frame 44. The lower end of the telescopic frame 41 is provided with an opening, the upper end of the telescopic frame 41 is accommodated in the housing 11, the outer side surface of the telescopic frame 41 is connected with the inner side surface of the housing 11 in a sliding and sealing manner, namely, a sealing ring (not shown) is arranged between the outer side surface of the telescopic frame 41 and the inner side surface of the housing 11, the sealing ring is fixedly connected with the outer side surface of the telescopic frame 41 and is connected with the inner side surface of the housing 11 in a sliding manner, so that the telescopic frame 41 and the sealing ring can move up and down in the housing 11 together, thereby sealing the air above the telescopic frame 41, the air between the air collecting frame 31 and the telescopic frame 41 is in a sealing state, further the air between the air collecting frame and the telescopic frame cannot leak out, the telescopic frame 41 is provided with a plurality of seventh through holes 411 arranged on the side surface thereof, an eighth through hole 412 and a ninth through hole 413, in this embodiment, the seventh through holes 411 are disposed two and opposite to each other, the eighth through hole 412 and the ninth through hole 413 penetrate through the inner surface and the outer surface of the telescopic frame 41, the lower end of the fourth pipeline 35 is aligned with the eighth through hole 412 and is fixedly connected with the upper surface of the telescopic frame 41, the inside of the fourth pipeline 35 is communicated with the eighth through hole 412, the lower end of the fifth pipeline 36 is aligned with the ninth through hole 413 and is fixedly connected with the upper surface of the telescopic frame 41, and the inside of the fifth pipeline 36 is communicated with the ninth through hole 413. The first springs 42 are provided with a plurality of springs, and the lower ends of the first springs 42 are fixedly connected with the upper surface of the telescopic frame 41. The fixed block 43 is provided with a plurality of fixed blocks, one end of each fixed block 43 is fixedly connected with the inner surface of the shell 11, and the upper end of the first spring 42 is fixedly connected with the fixed block 13, so that the telescopic frame 41 is supported. The connecting frame 44 is a hollow cylinder, the upper end of the connecting frame 44 is aligned with the ninth through hole 413 and is fixedly connected with the inner surface of the expansion frame 41, and the central axis of the connecting frame 44 is collinear with the central axis of the expansion frame 41. The filter screen 45 is accommodated in the telescopic frame 41 and fixedly connected with the inner surface of the telescopic frame, the connecting frame 44 penetrates through the upper surface and the lower surface of the filter screen 45 and fixedly connected with the upper surface and the lower surface of the filter screen 45, and the filter screen 45 is located above the seventh through hole 411.
The telescopic structure 4 can be arranged by arranging the telescopic frame 41 in the shell 11 and connecting the telescopic frame 41 with the shell 11 in a sliding and sealing manner, so that when the air collecting frame 31 moves up and down in the shell 11, the air sealing between the air collecting frame 31 and the telescopic frame 41 can drive the telescopic frame 41 to move up and down in the shell 11, and the aim of indirectly driving the telescopic frame 41 to move up and down is fulfilled; the arrangement of the first spring 42 and the fixed block 43 can support the telescopic frame 41; the fourth duct 35 and the fifth duct 36 are arranged to draw air in the expansion frame 41 into the fourth duct 35 and draw air in the fifth duct 36 into the connection frame 44, so as to realize air flow.
As shown in fig. 2, 5, and 8, the scraper structure 5 includes a scraper plate 51, a connecting frame disposed below the scraper plate 51, a rotating frame 52 disposed below the connecting frame, a first bearing 53 disposed in the rotating frame 52, a plurality of first blades 54 disposed around the rotating frame 52, a positioning frame 55 disposed below the rotating frame 52, a second spring 56 disposed in the positioning frame 55, an expansion link 57 disposed at one end of the positioning frame 55, and a scraper 58 disposed at an end of the expansion link 57. The scraping plate 51 is in an elongated shape, and the upper surface of the scraping plate 51 abuts against the lower surface of the filter screen 45 and is located at one side of the connecting frame 44. The upper end of the connecting frame is fixedly connected with the scraping plate 51, and the lower end of the connecting frame is fixedly connected with the rotating frame 52. The rotating frame 52 is a hollow cylinder, the connecting frame 44 passes through the inside of the rotating frame 52, and the connecting frame 44 is collinear with the central axis of the rotating frame 52. The first bearing 53 is accommodated in the rotating frame 52, an outer ring of the first bearing 53 is fixedly connected to an inner circumferential surface of the rotating frame 52, and the connecting frame 44 passes through an inner ring of the first bearing 53 and is fixedly connected thereto, so that the rotating frame 52 can stably rotate on the connecting frame 44, and the scraping plate 51 can rotate around the connecting frame 44 on the lower surface of the filter screen 45, so as to scrape off dust, impurities and the like on the lower surface of the filter screen 45. The first fan blades 54 are arranged in a plurality and distributed on the outer circumferential surface of the rotating frame 52 along the circumferential direction, one end of each first fan blade 54 is fixedly connected with the outer circumferential surface of the rotating frame 52, and the first fan blades 54 and the rotating frame 52 can rotate together. Two end faces of the positioning frame 55 are communicated, and one end of the positioning frame 55 is fixedly connected with the side face of the connecting frame 44. The second spring 56 is accommodated in the positioning frame 55, and one end of the second spring 56 is fixedly connected with the connecting frame 44. One end of the telescopic rod 57 is accommodated in the positioning frame 55 and is in sliding contact with the inner surface of the positioning frame 55, so that the end of the telescopic rod 57 can move left and right in the positioning frame 55, and the other end of the second spring 56 is fixedly connected with the telescopic rod 57, thereby supporting the telescopic rod 57. Scrape the longitudinal section of piece 58 and be isosceles triangle, telescopic link 57 the tip with scrape piece 58 fixed connection, scrape the piece 58 and pass seventh through-hole 411 and extend to the outside of flexible frame 41 to play the effect of scraping off to the outside soil of flexible frame 41.
On one hand, the scraping block structure 5 is arranged to drive the first fan blades 54 to rotate when air flows from bottom to top in the telescopic frame 41, so that the rotating frame 52, the connecting frame and the scraping block 51 rotate, and impurities on the lower surface of the filter screen 45 can be scraped by the rotation of the scraping block 51, so that the dust and the impurities are prevented from being deposited on the lower surface of the filter screen 45, the continuous filtering effect of the filter screen 45 is realized, and the air blockage is prevented from influencing the air circulation; meanwhile, the second spring 56 can support the telescopic rod 57 and the scraping block 58, so that the scraping block 58 is tightly propped against external soil, the external soil can be conveniently scraped, and the soil can be conveniently collected.
As shown in fig. 2, 6, 7 and 9, the drill structure 6 includes a support plate 61, a collecting frame 62 located above the support plate 61, a sealing frame 63, a first drill 64 located below the support plate 61, and a second drill 65 located below the first drill 64. The supporting plate 61 is a cylinder, the supporting plate 61 abuts against the lower surface of the telescopic frame 41, the diameter of the outer circumferential surface of the supporting plate 61 is the same as the diameter of the outer circumferential surface of the telescopic frame 41, the supporting plate 61 is provided with a tenth through hole 611 located at the center of the circle and communicated with the upper surface and the lower surface, the tenth through hole 611 is circular, the lower end of the connecting frame 44 is aligned with the tenth through hole 611 and abuts against the upper surface of the supporting plate 61, and the tenth through hole 611 is communicated with the connecting frame 44. The upper surface and the lower surface of the collecting frame 62 are communicated, the collecting frame 62 is a hollow cylinder, the lower surface of the collecting frame 62 is fixedly connected with the upper surface of the supporting plate 61, the collecting frame 62 is contained in the telescopic frame 41 and is in threaded connection with the telescopic frame, so that the collecting frame 62 is relatively fixed with the telescopic frame 41, and the collecting frame 62 can be used for collecting sampled soil. The sealing frame 63 is a hollow cylinder, the upper and lower surfaces of the sealing frame 63 are communicated, the lower end of the sealing frame 63 is aligned with the tenth through hole 611 and is fixedly connected with the upper surface of the supporting plate 61, and the lower end of the connecting frame 44 is accommodated in the sealing frame 63 and is in threaded connection with the sealing frame, so that the connecting frame 44 and the supporting plate 61 can be relatively fixed. The first drill 64 is in the shape of a hollow circular truncated cone, the upper surface and the lower surface of the first drill 64 are communicated, and the upper surface of the first drill 64 abuts against the lower surface of the support plate 61 and is in sliding contact with the lower surface of the support plate 61, so that the first drill 64 can rotate below the support plate 61. The second drill bit 65 is a hollow cone, the upper surface of the second drill bit 65 is provided with an opening, the upper surface of the second drill bit 65 is fixedly connected with the lower surface of the first drill bit 64, so that the second drill bit 65 is communicated with the inside of the first drill bit 64, the included angle between the side surface of the second drill bit 65 and the central axis thereof is smaller than the included angle between the side surface of the first drill bit 64 and the central axis thereof, so that the resistance of the second drill bit 65 in the soil is smaller than the resistance of the first drill bit 64 in the soil, and the soil is conveniently drilled, even, the side surface of the second drill bit 65 is provided with a plurality of inclined holes 651, the inclined holes 651 are inclined, the lower end faces the inside of the second drill bit 65, and the upper end faces the outside of the second drill bit 65, so that the air in the second drill bit 65 is blown to the outside of the second drill bit 65 from the inclined holes 651 obliquely upwards, so as to blow the soil outside the second drill 65 upward.
The arrangement of the drill bit structure 6 facilitates the drilling of the soil, and the included angle between the side surface of the second drill bit 65 and the central axis thereof is smaller than the included angle between the side surface of the first drill bit 64 and the central axis thereof, so that the second drill bit 65 can be conveniently and quickly drilled into the soil at first, and the drilling efficiency is high; the collection frame 62 and the sealing frame 63 can be stably installed on the telescopic frame 41 and the connecting frame 44, and the installation is stable and has remarkable effect; and a plurality of inclined holes 651 are formed in the second drill 65, so that air in the second drill 65 is obliquely blown upwards to the outside of the second drill 65 through the inclined holes 651, and soil outside the second drill 65 is conveniently blown up so as to be collected.
As shown in fig. 2, 7 and 9, the fan blade structure 7 includes a fixed shaft 71, a concentration frame 72 disposed on the fixed shaft 71, a second fan blade 73 disposed in the concentration frame 72, an air outlet frame 76 located above the fixed shaft 71, a second bearing 75 disposed on the air outlet frame 76, and a connecting rod 74 disposed on the second bearing 75. The lower end of the fixed shaft 71 is fixedly connected with the inner surface of the second drill bit 65, the central axis of the fixed shaft 71 is collinear with the central axis of the second drill bit 65, and the upper end of the fixed shaft 71 is opposite to the tenth through hole 611. The central frame 72 is a hollow cone, the central axis of the fixing shaft 71 is collinear with the central axis of the central frame 72, the fixing shaft 71 penetrates through the inner surface and the outer surface of the central frame 72 and is fixedly connected with the inner surface and the outer surface, an opening at the upper end of the threo fox central frame 72 is right opposite to the tenth through hole 611, an eleventh through hole 721 is formed in the side face of the lower end of the central frame 72, and the eleventh through hole 721 is vertical and penetrates through the inner surface and the outer surface of the central frame 72. The second fan blades 73 are uniformly distributed around the fixed shaft 71 along the circumferential direction, one end of each second fan blade 73 is fixedly connected with the fixed shaft 71, and the other end of each second fan blade 73 is fixedly connected with the inner surface of the concentration frame 72. The air outlet frame 76 is a hollow cylinder, the upper end of the air outlet frame 76 is aligned with the tenth through hole 611 and is fixedly connected with the lower surface of the support plate 61, so that the inside of the air outlet frame 76 is communicated with the inside of the tenth through hole 611, and the lower end of the air outlet frame 76 is aligned with the upper end of the concentration frame 72. The air outlet frame 76 passes through the inner ring of the second bearing 75 and is fixedly connected with the inner ring. The connecting rods 74 are provided in plurality, one end of each connecting rod 74 is fixedly connected to the inner surface of the first drill 64, and the other end of each connecting rod 74 is fixedly connected to the outer ring of the second bearing 75, so that the first drill 64 and the second drill 65 can stably rotate under the supporting plate 61.
The fan blade structure 7 can blow air downwards through the air outlet frame 76, so that the concentration frame 72, the fixed shaft 71, the second drill bit 65 and the first drill bit 64 can stably rotate below the supporting plate 61 through the second fan blades 73, and the soil can be conveniently drilled into the soil; and the setting of frame 72 is concentrated the air that frame 76 blew off in the frame 72 of concentrating conveniently, and then makes second flabellum 73 drive rotation, and the drive effect is more ideal, and is more showing.
As shown in fig. 1 to 9, when the soil sampling device for monitoring in the environmental protection field of the present invention is used, the holding frame 14 is firstly held to move the present invention above the soil to be sampled, then the air cylinder 21 causes the pushing rod 22 to move upwards, and further causes the air collecting frame 31 to move upwards, and due to the reduction of the air pressure below the air collecting frame 31, the telescopic frame 41 moves upwards in the housing 11 until the seventh through hole 411 is located in the housing 11, so that the housing 11 covers the seventh through hole 411. Then, the present invention is drilled into the soil, since the included angle between the side surface of the second drill 65 and the central axis thereof is smaller than the included angle between the side surface of the first drill 64 and the central axis thereof, the second drill 65 is more easily drilled into the soil, the resistance of the second drill to be drilled into the soil is reduced, and the second drill 65 is more easily drilled into the soil until the lower ends of the first drill 64, the second drill 65 and the housing 11 are at the required depth of the soil sample. Then, the air cylinder 21 makes the push rod 22 move downwards, so that the air collecting frame 31 moves downwards in the housing 11, the pressure of the telescopic frame 41 is increased due to the fact that air above the telescopic frame 41 is compressed by the air collecting frame 31, so that the telescopic frame 41 moves downwards until the seventh through hole 411 moves to the lower side of the housing 11, and soil can conveniently enter the telescopic frame 41 through the seventh through hole 411. Then, the switch of the blower 13 is turned on, so that the air on the left side of the partition plate 32 in the inner cavity of the air collecting frame 31 is sucked into the second pipeline 33, then enters the first pipeline 12, then enters the right side of the partition plate 32 in the inner cavity of the air collecting frame 31 through the third pipeline 34, then enters the fifth pipeline 36, then enters the connecting frame 44, then enters the air outlet frame 76, then is sprayed downwards and sprayed into the collecting frame 72, as the air flows downwards and is sprayed onto the second fan blades 73, the collecting frame 72, the fixed shaft 71, the second drill 65 and the first drill 64 rotate along with the air, then the air passes through the eleventh through hole 721 and then is sprayed upwards through the inclined hole 651, and soil outside the second drill 65 is driven to be sprayed upwards, as the air on the left side of the partition plate 32 in the inner cavity of the air collecting frame 31 is sucked away, so that the air in the telescopic frame 41 passes through the fourth pipeline 35 and enters the left side of the partition plate 32 in the inner cavity of the air collecting frame 32, at this time, the pressure in the telescopic frame 41 is reduced, then the air sprayed obliquely upwards through the inclined hole 651 enters the telescopic frame 41 through the seventh through hole 411, at this time, soil particles on the outer sides of the first drill 64 and the second drill 65 are carried in the air, then the air is filtered by the filter screen 45, the particles are positioned below the filter screen 45, and then the air enters the fourth pipeline 35, so that air circulation is formed, and the soil around the first drill 64 and the second drill 65 is conveniently sampled; meanwhile, after entering the telescopic frame 41 through the seventh through hole 411, the air flows upwards to drive the first fan blades 54 to rotate, so that the scraping block 51 rotates on the lower surface of the filter screen 45 to scrape off dust, impurities and the like deposited on the lower surface of the filter screen 45, the filter holes of the filter screen 45 are prevented from being blocked, and the air is circulated continuously; in order to improve the efficiency of sampling soil, the push rod 22 can be driven by the cylinder 21 to drive the air collecting frame 31 to move up and down within a small range, and then the air sealed between the air collecting frame 31 and the telescopic frame 41 enables the telescopic frame 41 to drive the first drill bit 64 and the second drill bit 65 to move up and down within the small range, because the scraping block 58 abuts against the soil outside the telescopic frame 41, soil particles on the soil outside the telescopic frame 41 can be scraped by the up and down movement of the scraping block 58 at the moment, and then the soil particles can enter the telescopic frame 41 more quickly along the flowing direction of the air, so that the soil particles can be collected conveniently; meanwhile, as the first drill bit 64 and the second drill bit 65 rotate, the gas sprayed out through the inclined hole 651 can rotate 360 degrees in the circumferential direction, so that the soil outside the second drill bit 65, the first drill bit 64 and the telescopic frame 41 is comprehensively driven into the telescopic frame 41, and the sampling is comprehensive and has a remarkable effect. After sampling is finished, the air cylinder 21 drives the push rod 22 to move upwards, so that the air collecting frame 31 moves upwards, the telescopic frame 41 moves upwards until the seventh through hole 411 is contained in the shell 11, then the fan 13 is turned off, the sampled soil is collected in the collecting frame 62, and then the soil sampler is taken out upwards. After the soil sampling device is taken out, the supporting plate 61 is rotated, the collecting frame 62 and the sealing frame 63 are respectively separated from the telescopic frame 41 and the connecting frame 44, and then the soil collected in the collecting frame 62 is poured out, so that the use process of the soil sampling device for monitoring in the environmental protection field is described completely.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a soil sampling device is used in environmental protection field monitoring, include shell structure, set up in drive structure in the shell structure, accept in gas collection structure in the shell structure, set up in the extending structure of shell structure lower extreme, set up in the drill bit structure of extending mechanism below, the shell structure includes that the lower extreme is equipped with the open-ended shell, drive structure include the cylinder, set up in catch bar on the cylinder, the one end of catch bar with the cylinder is connected, the other end of catch bar runs through the interior external surface of shell just stretches into in the shell, its characterized in that: the gas collecting structure comprises a gas collecting frame, the gas collecting frame is contained in the shell and is connected with the shell in a sliding and sealing manner, the other end of the push rod is fixedly connected with the gas collecting frame, the telescopic structure comprises a telescopic frame with an opening at the lower end, the upper end of the telescopic frame penetrates through the opening at the lower end of the shell and extends into the shell, the telescopic frame is connected with the shell in a sliding and sealing manner, the drill bit structure comprises a supporting plate, a collecting frame arranged above the supporting plate, a first drill bit and a second drill bit which are positioned below the supporting plate, the upper surface of the supporting plate abuts against the lower surface of the telescopic frame, the lower surface of the collecting frame is fixedly connected with the upper surface of the supporting plate, the collecting frame is contained in the telescopic frame and is in threaded connection with the telescopic frame, the upper surface of the first drill bit abuts against the lower surface of the supporting plate and is in sliding, the lower surface of the first drill bit is fixedly connected with the upper surface of the second drill bit.
2. The soil sampling device for monitoring in the environmental protection field as set forth in claim 1, wherein: the shell structure including set up in the first pipeline of shell top, set up in fan on the first pipeline, the upper surface of shell is equipped with first through-hole, second through-hole, first through-hole and second through-hole run through the interior surface and the exterior surface of shell, the one end of first pipeline is aimed at first through-hole and with the last fixed surface of shell is connected, the other end of first pipeline is aimed at the second through-hole and with the last fixed surface of shell is connected.
3. The soil sampling device for monitoring in the environmental protection field as set forth in claim 2, wherein: the gas collecting structure comprises a partition board arranged in the gas collecting frame, a second pipeline, a third pipeline, a fourth pipeline and a fifth pipeline, wherein the second pipeline and the third pipeline are arranged above the gas collecting frame, the fourth pipeline and the fifth pipeline are arranged below the gas collecting frame, the gas collecting frame is provided with a third through hole, a fourth through hole, a fifth through hole and a sixth through hole, the third through hole and the fourth through hole are arranged on the upper surface of the gas collecting frame, the fifth through hole and the sixth through hole are arranged on the lower surface of the gas collecting frame, the partition board is contained in the gas collecting frame and fixedly connected with the inner surface of the gas collecting frame, the third through hole and the fourth through hole are arranged on the left side and the right side of the partition board, the lower end of the second pipeline is aligned with the third through hole and fixedly connected with the upper surface of the gas collecting frame, the upper end of the second pipeline is aligned with the first through hole and fixedly connected with the inner surface of the shell, and the lower end, the upper end of the third pipeline is aligned with the second through hole and is fixedly connected with the inner surface of the shell, the upper end of the fourth pipeline is aligned with the fifth through hole and is fixedly connected with the lower surface of the gas collecting frame, and the upper end of the fifth pipeline is aligned with the sixth through hole and is fixedly connected with the lower surface of the gas collecting frame.
4. The soil sampling device for monitoring in the environmental protection field as set forth in claim 3, wherein: the telescopic structure comprises a first spring arranged above the telescopic frame, a fixed block arranged above the first spring, a connecting frame arranged in the telescopic frame, and a filter screen arranged on the connecting frame.
5. The soil sampling device for monitoring in the environmental protection field as set forth in claim 4, wherein: the upper end of the telescopic frame is accommodated in the shell and is connected with the shell in a sliding and sealing way, one end of the fixed block is fixedly connected with the inner surface of the shell, one end of the first spring is fixedly connected with the telescopic frame, the other end of the first spring is fixedly connected with the fixed block, the telescopic frame is provided with a seventh through hole positioned on the circumferential side surface of the telescopic frame, an eighth through hole and a ninth through hole positioned on the upper surface of the telescopic frame, the lower end of the fourth pipeline is aligned with the eighth through hole and is fixedly connected with the upper surface of the telescopic frame, the lower end of the fifth pipeline is aligned with the ninth through hole and is fixedly connected with the upper surface of the telescopic frame, the upper end of the connecting frame is aligned with the ninth through hole and is fixedly connected with the inner surface of the telescopic frame, the filter screen is accommodated in the telescopic frame and fixedly connected with the inner surface of the telescopic frame, and the connecting frame penetrates through the upper surface and the lower surface of the filter screen and is fixedly connected with the upper surface and the lower surface of the filter screen.
6. The soil sampling device for monitoring in the environmental protection field as set forth in claim 5, wherein: the drill bit structure is characterized by further comprising a sealing frame arranged above the supporting plate, a tenth through hole located at the center of the supporting plate is formed in the supporting plate, the lower end of the sealing frame is aligned with the tenth through hole and fixedly connected with the upper surface of the supporting plate, the lower end of the connecting frame is contained in the sealing frame and connected with the sealing frame in a threaded mode, a plurality of inclined holes are formed in the side face of the outer circumference of the second drill bit, the lower ends of the inclined holes face towards the inside of the second drill bit, and the upper ends of the inclined holes face towards the outside of the second drill bit.
7. The soil sampling device for monitoring in the environmental protection field as set forth in claim 6, wherein: soil sampling device is used in environmental protection field monitoring still includes the flabellum structure, the flabellum structure include the fixed axle, set up in fixed epaxial concentrated frame, set up in second flabellum in the concentrated frame, set up in the frame of giving vent to anger of fixed axle top, set up in give vent to anger second bearing on the frame, set up in connecting rod on the second bearing.
8. The soil sampling device for monitoring in the environmental protection field as set forth in claim 7, wherein: the upper end of the air outlet frame is aligned with the tenth through hole and is fixedly connected with the lower surface of the supporting plate, the air outlet frame penetrates through the inner ring of the second bearing and is fixedly connected with the inner ring of the second bearing, one end of the connecting rod is fixedly connected with the inner surface of the first drill bit, the other end of the connecting rod is fixedly connected with the outer ring of the second bearing, the lower end of the fixing shaft is fixedly connected with the inner surface of the second drill bit, the fixing shaft is collinear with the central axis of the second drill bit, the central frame is a hollow cone, the fixing shaft penetrates through the inner surface and the outer surface of the central frame and is fixedly connected with the inner surface of the central frame, the fixing shaft is collinear with the central axis of the central frame, and one end of the second fan blade is fixedly connected with.
9. The soil sampling device for monitoring in the environmental protection field as set forth in claim 8, wherein: soil sampling device is used in environmental protection field monitoring still including set up in scrape the block structure in the flexible frame, scrape the block structure including strike off the board, set up in strike off the link of board below, set up in link below rotatory frame, set up in first bearing in the rotatory frame, set up in rotatory frame outside first flabellum.
10. The soil sampling device for monitoring in the environmental protection field as set forth in claim 9, wherein: the utility model discloses a filter screen, including scraping the board, scrape the board top and lean on the lower surface of filter screen, the one end of link with scrape board fixed connection, the other end of link with rotatory frame fixed connection, the outer lane of first bearing with the internal surface fixed connection of rotatory frame, the link passes the inner circle of first bearing and rather than fixed connection, the one end of first flabellum with the outer periphery fixed connection of rotatory frame.
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| CN113522922A (en) * | 2021-07-12 | 2021-10-22 | 中兰环保科技股份有限公司 | Device and method for collecting gas in garbage pile body of storage garbage landfill |
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| CN112240841B (en) | 2022-09-13 |
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