CN110082151B - Soil gas concentration detection device - Google Patents
Soil gas concentration detection device Download PDFInfo
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- CN110082151B CN110082151B CN201910474299.7A CN201910474299A CN110082151B CN 110082151 B CN110082151 B CN 110082151B CN 201910474299 A CN201910474299 A CN 201910474299A CN 110082151 B CN110082151 B CN 110082151B
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- soil gas
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- 239000002680 soil gas Substances 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 76
- 239000002689 soil Substances 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000009412 basement excavation Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 19
- 238000005553 drilling Methods 0.000 abstract description 4
- 244000309464 bull Species 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004181 pedogenesis Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil gas concentration detection device, and belongs to the field of soil gas collection and detection; the soil gas concentration detection device comprises a drilling column and a base, wherein a thread groove is formed in the outer wall, close to the top, of a rotating handle, the top of the drilling column is connected with a limiting assembly, the bottom of a supporting plate is movably connected with supporting legs, a rotating shaft is rotatably connected to the side wall of a partition plate, one end, placed in a collecting cavity, of the rotating handle is connected with a third bevel gear, adjacent rotating rods are connected through a transmission connecting piece, a baffle is connected to the bottom wall of the collecting cavity, and one end, far away from the baffle, of a second screw rod is connected with a sampling detector; according to the invention, the rotary handle is rotated to drive the drill soil column to descend and enter the soil, when the rotary handle reaches a proper position, the rotary handle is pressed down to enable the third bevel gear to be meshed with the fourth bevel gear, the rotary handle is limited, and the rotary handle can enable a plurality of groups of sampling detectors with different heights to measure the gas in different soil layers through the transmission connecting piece, so that the physical strength is saved, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of soil gas collection and detection, in particular to a soil gas concentration detection device.
Background
Soil gas is one of the important components of soil, and is basically derived from the atmosphere, but is also generated in a small part of biochemical processes in the soil, so that the soil gas has great significance for plant growth and soil formation; the soil gas is detected to know the air permeability of the soil, and the soil is indirectly reflected to repair a large number of polluted sites, urban brown lands, polluted cultivated lands and the like under the condition that the soil is polluted by certain pollutants, so that the method is the only reliable and feasible method for thoroughly eliminating the site pollutants from being safe to the human body health and the ecological system; however, because the pollution of the field is different from the pollution of the atmosphere and water, the polluted field can not be judged directly by vision or smell under many conditions; the source and degree of contamination require extensive systematic investigation to give a more accurate junction.
The patent publication number CN105784861B discloses a soil gas collecting device and a gas collecting method, comprising a gas collecting bottle, wherein the gas collecting bottle is buried in soil, a plurality of small air suction holes are arranged on the bottle body, and micron-sized check valves are embedded in the small air suction holes; the gas collection bottle inner chamber is connected to the outer part of bleeding and the gas storage part of soil through the pipeline, be connected with the three-way valve on the pipeline between the part of bleeding and the gas collection bottle, the air inlet and the gas outlet of three-way valve are connected respectively and are bleeding, and this patent is although can measure gas concentration, but needs manual digging to embed the device wherein, extravagant time and physical power.
The searched authorized bulletin number CN102252876B discloses a buffer type soil gas sampling device which consists of an injector, a valve, an extraction opening, an extraction duct, a box body, an air bag, a water seal tank and a base; because the air bags are additionally arranged on the box body, the air pressure inside and outside the box body is always kept in a balanced state after being regulated by the air bags in a buffering way in the whole storage and sampling process, so that the air leakage of the box body outwards or inwards is prevented, and the quality of the stored air in the box body is maintained; meanwhile, the difficulty that natural release of soil gas is inhibited is overcome, and the reliability of the soil release gas measurement data is improved; the device has reasonable design, simple operation and low cost, and can be widely used for collecting greenhouse gas emission in farmlands, bare lands, grasslands and the like; although the patent can solve the problem of soil gas collection and detection, the gas concentration of soil layers with different depths cannot be detected.
The existing soil gas detection device needs to dig soil and then put the device into the soil pit to detect the gas concentration, and when the gas concentration of different soil layers needs to be measured, the soil pits with different depths are dug to detect the gas concentration, so that time and labor are wasted, the detection efficiency is low, and therefore, according to the problems, the soil gas concentration detection device is provided.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a soil gas concentration detection device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a soil gas concentration detection device, includes and bores earth pillar sample detector and base sample detector, it has backup pad sample detector to bore on the outer wall that earth pillar sample detector is close to the top, bore earth pillar sample detector inside excavation sample chamber, it has commentaries on classics to hold sample detector to bore earth pillar sample detector top sliding connection, it runs through earth pillar sample detector and extends to the sample chamber inside to change the sample detector, it has the screw thread groove to change to open on the outer wall that the sample detector is close to the top, it is connected with spacing subassembly to bore earth pillar sample detector top, backup pad sample detector bottom swing joint has supporting leg sample detector, supporting leg sample detector keeps away from backup pad sample detector's one end and links to each other through first slider sample detector sliding connection with base sample detector, the top of base sample detector is connected with the mount pad sample detector symmetrically arranged sample detector, one side that mount pad sample detector is relative is connected with adjusting component, mount pad sample detector runs through adjusting component and extends to the sample chamber inside, adjusting component keeps away from the one end of mount pad sample detector and opens on the outer wall that the worm wheel sample detector is close to the top, it has a pivot to change sample detector, the pivot and connect to change sample detector on the pivot, the pivot has the pivot to connect to change sample detector, the sample detector is connected with the side of sample detector in proper order on the side of the top of sample detector, the pivot has the sample detector to change sample detector. The device is characterized in that adjacent rotating rod sampling detectors are connected through a transmission connecting piece, one end of each rotating rod sampling detector, far away from the inner wall of the collecting cavity, is sequentially connected with a fourth bevel gear sampling detector and a third worm gear sampling detector, the bottom wall of the collecting cavity is connected with a baffle sampling detector, the side wall of each baffle sampling detector is connected with a second screw sampling detector, and one end of each second screw sampling detector, far away from the corresponding baffle sampling detector, is connected with a sampling detector.
Preferably, a first chute sampling detector matched with the first slide block sampling detector is cut on the top of the base sampling detector.
Preferably, the supporting leg sampling detector is movably connected with the bottom end of the supporting plate sampling detector and the top end of the first sliding block sampling detector through hinges respectively.
Preferably, the second slide block sampling detector is connected to baffle sampling detector bottom, backup pad sampling detector top is excavated to have with second slide block sampling detector matched with second slide block sampling detector, second slide block sampling detector top is connected with nut sampling detector, nut sampling detector runs through second slide block sampling detector and offsets with second slide block sampling detector.
Preferably, the drilling soil column sampling detector top is excavated and circular slot sampling detector, spacing subassembly sliding connection is inside circular slot sampling detector.
Preferably, the spacing subassembly includes the dog sample detector, the dog sample detector is opened there is the through-hole, the inside sliding connection of through-hole has the stopper sample detector, be connected with the spring sample detector between stopper sample detector bottom and the through-hole diapire, it has first spacing hole sample detector and the spacing hole sample detector of second to open on the earth-boring column sample detector outer wall.
Preferably, the adjusting part comprises a first screw rod sampling detector, a first worm wheel sampling detector and a slide bar sampling detector, wherein the first screw rod sampling detector is connected to the side wall of the installation seat sampling detector, the slide bar sampling detector is connected with the top end of the base sampling detector, one end of the slide bar sampling detector, far away from the base sampling detector, penetrates through the support plate sampling detector and extends upwards, the slide bar sampling detector is close to the outer wall of the base sampling detector and is connected with the first worm wheel sampling detector, the first worm wheel sampling detector is meshed with the first screw rod sampling detector, and the slide bar sampling detector is arranged in a rod wall between the base sampling detector and the support plate sampling detector and is capable of being retracted.
Preferably, the first slider sampling detector is internally provided with a threaded hole, and the first slider sampling detector is connected with the first screw sampling detector through the threaded hole.
Preferably, the extension end of the sliding rod sampling detector is connected with a first bevel gear sampling detector, one end of the rotating shaft sampling detector, which is far away from the second worm gear sampling detector, is connected with a second bevel gear sampling detector, and the first bevel gear sampling detector is meshed with the second bevel gear sampling detector.
Preferably, the transmission connecting piece includes band pulley sampling detector and belt sampling detector, band pulley sampling detector establishes to three groups and connects respectively on three groups bull stick sampling detector outer walls, adjacent band pulley sampling detector passes through the belt sampling detector and links to each other.
Compared with the prior art, the invention provides a soil gas concentration detection device, which has the following beneficial effects:
1. This soil gas concentration detection device, through rotating the commentaries on classics handle, drive rather than the second worm wheel of engaged with, the second worm wheel drives the pivot and rotates, the pivot then can drive the regulation subassembly work rather than linking to each other, regulation subassembly drives rather than the first slider that links to each other again and removes, thereby first slider passes through the supporting leg and drives the soil post decline, get into inside the soil, after reaching suitable position, open spacing subassembly, make the third bevel gear and the fourth bevel gear mesh with the back of turning handle with the commentaries on classics handle pushing down, make the second worm wheel break away from the commentaries on classics handle with the slip baffle again, rotate the commentaries on classics handle, the commentaries on classics handle drives the fourth bevel gear and rotates, the fourth bevel gear drives the third bevel gear and then drive the bull stick and rotate, the bull stick passes through the third worm wheel and drives the second screw and rotate, thereby the third screw passes through the baffle and drive sampling detector and remove inside the soil, can make the inside gas of group sampling detector of several different co-altitude measure the soil layer through the transmission connecting piece, save physical power has improved detection efficiency.
2. This soil gas concentration detection device, adjusting part drive first slider and slide in first spout, because the supporting leg links to each other in first slider and backup pad activity respectively, so first slider will take the supporting leg to remove when sliding to make the supporting leg drive and bore the earth pillar and descend and bore in the soil.
3. The soil gas concentration detection device is convenient for moving the partition plate through the first sliding block and the second sliding groove, and the nut is used for fixing the partition plate at the moving position.
4. This soil gas concentration detection device is deviate from first spacing hole and second spacing hole through stirring the stopper, can slide the commentaries on classics handle, is convenient for the dog to slide in the inslot through circular slot.
5. This soil gas concentration detection device, the slide bar rotates and drives the second bevel gear and rotate, and the second bevel gear drives first bevel gear again and rotates, and first bevel gear then can drive the slide bar and rotate, and the slide bar rotates and drives first worm wheel and rotate, and first worm wheel then can drive first screw rod and rotate to make first screw rod drive the first slider that links to each other with its screw thread remove, because the slide bar is located the pole wall between base and the backup pad and can shrink, thereby make the backup pad can not receive the influence when descending and going up and down.
6. This soil gas concentration detection device makes the bull stick all rotate and drives the worm wheel rotation through the band pulley and the belt cooperation that link to each other with three groups bull sticks respectively to drive the sampling detector of three different co-altitude and detect the soil horizon gas of different degree of depth.
Drawings
Fig. 1 is a schematic structural diagram of a soil gas concentration detecting device according to the present invention;
Fig. 2 is a schematic structural diagram of a soil gas concentration detecting device according to the present invention;
FIG. 3 is a schematic diagram of the structure of the inside of a soil gas concentration detecting device according to the present invention;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 1 of a soil gas concentration detecting apparatus according to the present invention;
FIG. 5 is an enlarged schematic view of the portion B in FIG. 2 of a soil gas concentration detecting apparatus according to the present invention;
fig. 6 is a schematic diagram of the internal structure of a drill column of the soil gas concentration detection device provided by the invention;
Fig. 7 is a schematic structural diagram of a limiting assembly of a soil gas concentration detecting device according to the present invention.
In the figure: 1. drilling a soil column; 101. a circular groove; 102. a round hole; 103. a support plate; 2. a base; 3. a mounting base; 4. a first screw; 5. a first slider; 501. a first chute; 6. support legs; 7. a slide bar; 701. a first worm wheel; 8. a rotating handle; 801. a first limiting hole; 802. a second limiting hole; 9. a partition plate; 901. a second slider; 902. a nut; 903. a second chute; 10. a first bevel gear; 11. a second bevel gear; 12. a rotating shaft; 13. a second worm wheel; 14. a stop block; 15. a limiting block; 16. a spring; 17. a baffle; 18. a third bevel gear; 19. a fourth bevel gear; 20. a third worm wheel; 21. a rotating rod; 22. a second screw; 23. a sampling detector; 24. a belt wheel; 25. a belt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1:
Referring to FIGS. 1-6, a soil gas concentration detection device comprises a drill column 1 and a base 2, wherein a support plate 103 is connected to the outer wall of the drill column 1 near the top end, a sampling cavity is cut in the drill column 1, a rotating handle 8 is slidably connected to the top of the drill column 1, the rotating handle 8 extends into the sampling cavity through the drill column 1, a threaded groove is formed in the outer wall of the rotating handle 8 near the top, a limit component is connected to the top of the drill column 1, a support leg 6 is movably connected to the bottom of the support plate 103, one end of the support leg 6 far away from the support plate 103 is slidably connected with the base 2 through a first sliding block 5, the top of the base 2 is connected with symmetrically arranged mounting seats 3, one side opposite to the mounting seats 3 is connected with an adjusting component, the mounting seats 3 are connected with the first sliding block 5 through the adjusting component, one end of the adjusting component far away from the mounting seat 3 penetrates through the supporting plate 103 and extends upwards, the top of the supporting plate 103 is connected with the partition plate 9 in a sliding manner, the side wall of the partition plate 9 is rotationally connected with the rotating shaft 12, the outer wall of the rotating shaft 12 is connected with the second worm wheel 13, one end of the rotating shaft 12 far away from the second worm wheel 13 is connected with the adjusting component, one end of the rotating handle 8 arranged in the collecting cavity is connected with the third bevel gear 18, three groups of rotating rods 21 are sequentially connected to the inner side wall of the collecting cavity, adjacent rotating rods 21 are connected through transmission connecting pieces, one end of the rotating rod 21 far away from the inner wall of the collecting cavity is sequentially connected with the fourth bevel gear 19 and the third worm wheel 20, the bottom wall of the collecting cavity is connected with the baffle 17, the side wall of the baffle 17 is connected with the second screw 22, and one end of the second screw 22 far away from the baffle 17 is connected with the sampling detector 23;
Through rotating the rotating handle 8, drive the second worm wheel 13 that meshes with it and rotate, the second worm wheel 13 drives pivot 12 and rotates, pivot 12 then can drive the regulation subassembly work rather than linking to each other, regulation subassembly then drive the first slider 5 that links to each other rather than, thereby first slider 5 passes through supporting leg 103 and drives and bore earth pillar 1 and descend, get into inside the soil, after reaching suitable position, open spacing subassembly, make the rotating handle 8 push down and make behind the meshing of third bevel gear 18 and fourth bevel gear 19 with rotating handle 8 spacing, slide baffle 9 makes behind second worm wheel 13 break away from rotating handle 8 again, rotate handle 8, the rotating handle 8 drives fourth bevel gear 19 and rotates, fourth bevel gear 19 drives third bevel gear 18 and rotates, third bevel gear 18 then can drive bull stick 21, bull stick 21 drives second screw 22 through third worm gear 20 and rotates, thereby second screw 22 drives sample detector 23 through baffle 17 and move inside the soil, can make the inside gas measurement of the group sample detector 23 of several groups of different heights, the internal gas of different soil, the efficiency of having saved the physical power has improved.
Example 2:
Referring to fig. 1 to 5, a soil gas concentration detecting apparatus is basically the same as that of embodiment 1, except that a first chute 501 is cut on the top of the base 2 in cooperation with a first slider 5;
the supporting legs 6 are respectively and movably connected with the bottom end of the supporting plate 103 and the top end of the first sliding block 5 through hinges;
The adjusting component drives the first sliding block 5 to slide in the first sliding groove 501, and the supporting leg 103 is movably connected with the first sliding block 5 and the supporting plate 103 respectively, so that the first sliding block 5 can move with the supporting leg 103 when sliding, and the supporting leg 103 drives the earth boring column 1 to descend and bore into the soil.
Example 3:
referring to fig. 1 to 6, a soil gas concentration detecting apparatus is basically the same as that of embodiment 2 except that a second slide block 901 is connected to the bottom of a partition 9, a second slide groove 903 is cut on the top of a support plate 103 to be matched with the second slide block 901, a nut 902 is connected to the top of the second slide block 901, and the nut 902 penetrates through the second slide block 901 to abut against the second slide groove 903;
The top end of the drill column 1 is cut into a circular groove 101, and a limiting assembly is slidably connected inside the circular groove 101;
The diaphragm 9 is moved in position by the second slide 901 and the second slide 903, and the nut 902 is used to fix the diaphragm 9 in the moved position.
Example 4:
Referring to fig. 6, a soil gas concentration detecting device is substantially the same as that of embodiment 3, further, the limit assembly comprises a block 14, the block 14 is provided with a through hole, a limit block 15 is slidably connected in the through hole, a spring 16 is connected between the bottom of the limit block 15 and the bottom wall of the through hole, and a first limit hole 801 and a second limit hole 802 are formed on the outer wall of the drill column 1;
The rotary handle 8 can be slid by pulling the limiting block 15 out of the first limiting hole 801 or the second limiting hole 802, and the stop block 15 can slide in the groove conveniently through the circular groove 101.
Example 5:
Referring to fig. 1 to 5, a soil gas concentration detecting apparatus is substantially the same as that of embodiment 3, further, the adjusting assembly comprises a first screw 4, a first worm wheel 701 and a slide bar 7, the first screw 4 is connected to a side wall of the mounting base 3, the slide bar 7 is connected to a top end of the base 2, one end of the slide bar 7 away from the base 2 extends upward through the support plate 103, the slide bar 7 is connected to the first worm wheel 701 near an outer wall of the base 2, and the first worm wheel 701 is engaged with the first screw 4;
the rotation of the rotating shaft 12 drives the second bevel gear 11 to rotate, the second bevel gear 11 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the sliding rod 7 to rotate, the sliding rod 7 rotates to drive the first worm gear 701 to rotate, the first worm gear 701 drives the first screw 4 to rotate, so that the first screw 4 drives the first sliding block 5 connected with the first screw through threads to move, and the sliding rod 7 is located between the base 2 and the supporting plate 103, so that the sliding rod 7 is not influenced when the supporting plate 103 descends and ascends.
Example 6:
Referring to fig. 7, a soil gas concentration detecting apparatus is substantially the same as that of embodiment 3, further, the transmission connection member includes pulleys 25 and belts 25, the pulleys 25 are provided as three groups respectively connected to the outer walls of the three groups of rotating rods 21, and adjacent pulleys 24 are connected by the belts 25;
the belt wheels 24 and the belt 25 respectively connected with the three groups of rotating rods 21 are matched to enable the rotating rods 21 to rotate so as to drive the third worm wheel 20 to rotate, and therefore three groups of sampling detectors 23 with different heights are driven to detect soil layer gases with different depths.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a soil gas concentration detection device, includes and bores earth pillar (1) and base (2), its characterized in that, it is connected with backup pad (103) on the outer wall that earth pillar (1) is close to the top, bore earth pillar (1) inside excavation sample chamber, it has rotating handle (8) to bore earth pillar (1) top sliding connection, it runs through earth pillar (1) and extends to the sample intracavity portion to change, it has the screw thread groove to open on the outer wall that rotating handle (8) is close to the top, it is connected with spacing subassembly to bore earth pillar (1) top, backup pad (103) bottom swing joint has supporting leg (6), one end that backup pad (103) was kept away from to supporting leg (6) is passed through first slider (5) and is linked to each other with base (2) slip, the top of base (2) is connected with symmetrically set up mount pad (3), one side that mount pad (3) are relative is connected with adjusting component, mount pad (3) link to each other through adjusting component and first slider (5), one end (103) that adjusting component kept away from mount pad (3) is served as a backup pad (103) and run through, upward, be connected with baffle (12) on the top (12) is connected with pivot (12), one end of the rotating shaft (12) far away from the second worm wheel (13) is connected with an adjusting component, one end of the rotating handle (8) arranged in the collecting cavity is connected with a third bevel gear (18), three groups of rotating rods (21) are sequentially connected to the inner side wall of the collecting cavity, the rotating rods (21) are connected through a transmission connecting piece, one end of the rotating rods (21) far away from the inner wall of the collecting cavity is sequentially connected with a fourth bevel gear (19) and a third worm wheel (20), a baffle plate (17) is connected to the bottom wall of the collecting cavity, a second screw rod (22) is connected to the side wall of the baffle plate (17), one end of the second screw rod (22) far away from the baffle plate (17) is connected with a sampling detector (23), the limiting component comprises a stop block (14), a through hole is formed in the stop block (14), a limiting block (15) is connected between the bottom of the limiting block (15) and the bottom wall of the through hole, a first limiting hole (801) and a second limiting hole (802) are formed in the outer wall of the soil column (1), the adjusting component comprises a first worm wheel (4), the first screw rod (7) and the first screw rod (7) are connected to the top end of the base (7) through the first screw rod (7), one end of the sliding rod (7) far away from the base (2) extends upwards through the supporting plate (103), the sliding rod (7) is close to the outer wall of the base (2) and is connected with the first worm wheel (701), the first worm wheel (701) is meshed with the first screw rod (4), and the sliding rod (7) is arranged on the rod wall between the top of the base (2) and the bottom of the supporting plate (103) and can be lifted.
2. The soil gas concentration detection device according to claim 1, wherein a first chute (501) matched with the first slide block (5) is cut on the top of the base (2).
3. A soil gas concentration detecting apparatus according to claim 2, wherein the support legs (6) are movably connected to the bottom end of the support plate (103) and the top end of the first slider (5) respectively by hinges.
4. A soil gas concentration detecting device according to claim 3, wherein the bottom of the partition plate (9) is connected with a second slide block (901), a second slide groove (903) matched with the second slide block (901) is cut on the top of the supporting plate (103), a nut (902) is connected to the top of the second slide block (901), and the nut (902) abuts against the second slide groove (903) through the second slide block (901).
5. The soil gas concentration detection device of claim 4, wherein the top end of the drill column (1) is cut into a circular groove (101), and the limiting component is slidably connected inside the circular groove (101).
6. The soil gas concentration detection device according to claim 1, wherein a threaded hole is formed in the first slider (5), and the first slider (5) is in threaded connection with the first screw (4) through the threaded hole.
7. A soil gas concentration detecting device according to claim 1, wherein the extending end of the slide bar (7) is connected with a first bevel gear (10), one end of the rotating shaft (12) far away from the second worm wheel (13) is connected with a second bevel gear (11), and the first bevel gear (10) is meshed with the second bevel gear (11).
8. A soil gas concentration detecting apparatus according to any one of claims 1 to 5, wherein the transmission connection member comprises pulleys (24) and a belt (25), the pulleys (24) being arranged in three groups connected to the outer walls of the three groups of rotating rods (21), respectively, adjacent pulleys (24) being connected by the belt (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474299.7A CN110082151B (en) | 2019-06-03 | 2019-06-03 | Soil gas concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474299.7A CN110082151B (en) | 2019-06-03 | 2019-06-03 | Soil gas concentration detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110082151A CN110082151A (en) | 2019-08-02 |
| CN110082151B true CN110082151B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474299.7A Active CN110082151B (en) | 2019-06-03 | 2019-06-03 | Soil gas concentration detection device |
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| CN111537264B (en) * | 2020-04-21 | 2023-11-07 | 国网河北省电力有限公司衡水供电分公司 | Tool and method for sampling soil of transformer substation |
| CN113125195B (en) * | 2021-03-02 | 2023-05-05 | 江苏诚泰测绘科技有限公司 | Soil sampling device capable of performing layered sampling for land planning |
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