CN113340646A - Soil sampling device for measuring soil resistivity - Google Patents
Soil sampling device for measuring soil resistivity Download PDFInfo
- Publication number
- CN113340646A CN113340646A CN202110614685.9A CN202110614685A CN113340646A CN 113340646 A CN113340646 A CN 113340646A CN 202110614685 A CN202110614685 A CN 202110614685A CN 113340646 A CN113340646 A CN 113340646A
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- sliding sleeve
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- 239000002689 soil Substances 0.000 title claims abstract description 91
- 238000005527 soil sampling Methods 0.000 title claims abstract description 30
- 238000004080 punching Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 238000004162 soil erosion Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a soil sampling device for measuring soil resistivity, and particularly relates to the technical field of soil erosion detection and analysis. According to the invention, by arranging the handle, the conical oblique block, the punching cutter and the water tank, the sampling device is not easy to generate high temperature due to friction with underground substances in the operation process, so that the condition that the content of the substances in soil is changed due to the temperature rise of the punching cutter is reduced, the possibility that the working personnel are scalded due to the fact that the high temperature moves to the handle along the soil taking rod due to the overhigh temperature of the punching cutter is reduced, and meanwhile, the accuracy of data in soil detection is ensured.
Description
Technical Field
The invention relates to the technical field of soil corrosion detection and analysis, in particular to a soil sampling device for measuring soil resistivity.
Background
The soil is a mixture of solid, liquid and gas, and the solid skeleton of soil particles is filled with air, water and different salts. The soil has the characteristics of water and salts capable of conducting ion conduction, so that the soil has the characteristics of an electrolyte solution, metal can be subjected to electrochemical corrosion in the soil, the soil resistivity is an important factor of soil corrosivity, a professional soil punching and collecting device is usually adopted when underground soil is collected at present, however, most of the existing soil collecting devices are often difficult to have the protection effect on the soil in the using process, so that most of the collected soil is prone to drop in the recycling process due to ground attraction and impact force generated during collision in the process of extracting the soil from the ground, and the soil is composed of solid, liquid and gas three-phase substances, so that high temperature generated by friction between the collecting device and the soil during rotary punching of the soil is prone to evaporate substances in the soil, and subsequent data on soil detection are greatly influenced, it is difficult to guarantee the accuracy of the detected data.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a soil sampling device for measuring soil resistivity, and the technical problems to be solved by the invention are as follows: most current soil collection system often is difficult to have the protection effect to soil at the in-process that uses, lead to being in the in-process that draws soil from ground, the most soil of collection is because the impact force that produces when ground appeal and collision, often will drop at the in-process of retrieving, and because soil is by solid, liquid and gas three-phase material constitution, lead to the collection device to the rotatory material that evaporates in the soil with the high temperature that produces of soil friction when punching of soil, thereby follow-up data to soil detection of very big influence, be difficult to the problem of guaranteeing the detection data accuracy.
In order to achieve the purpose, the invention provides the following technical scheme: a soil sampling device for measuring soil resistivity comprises a mounting shell, wherein the inner wall of the mounting shell is fixedly connected with the outer surface of a rotating device, the bottom end of the rotating device is fixedly connected with the top end of a soil taking rod, the bottom end of the soil taking rod is fixedly connected with the upper surface of a retainer, the lower surface of the retainer is fixedly connected with a plurality of fixing frames, the bottom ends of the fixing frames are fixedly connected with the upper surface of the same fastening nut, the inner wall of the fastening nut is in threaded connection with the outer surface of a soil taking pipe, the top end of the soil taking pipe is fixedly connected with the lower surface of a conical sloping block, the conical sloping block is in a conical shape, the outer surface of the conical sloping block is provided with threads, the conical sloping block is in threaded connection with the inner wall of the fastening nut through the threads, the bottom end of the soil taking pipe is fixedly connected with the upper surface of a punching cutter, and the punching cutter is communicated with the bottom end of the soil taking pipe through a through hole formed in the upper surface, if the guide way has been seted up to fastening nut's lower surface, sliding connection has a plurality of guide block in the guide way, and the lower surface of a plurality of guide block respectively with the top fixed connection of a plurality of activity post, the bottom sliding connection of activity post is in the spacing inslot.
As a further scheme of the invention: the bottom of the movable column is fixedly connected with one end of the back face of the sliding rod, the sliding rod is connected in the sealing sliding sleeve in a sliding mode, the lower surface of the sealing sliding sleeve is fixedly connected with the upper surface of the punching cutter, a spring is arranged in the sealing sliding sleeve, and the cross section of the guide groove and the shape of the guide block are both arranged in a T shape.
As a further scheme of the invention: the other end of the sliding rod is fixedly connected with the front face of the sealing block, the outer surface of the sealing block is in lap joint with the inner wall of the sealing sliding sleeve, and the two ends of the spring are fixedly connected with the back face of the inner wall of the sealing sliding sleeve and the back face of the sealing block respectively.
As a further scheme of the invention: the outer fixed surface of sealed sliding sleeve is connected with the blast pipe, the one end at the blast pipe back is linked together with the surface of sealed sliding sleeve, be provided with the stopper in the blast pipe, the back fixedly connected with cardboard of stopper.
As a further scheme of the invention: the upper surface fixedly connected with of cutter punches two cooling water pipes, and the other end of two cooling water pipes all is linked together with the lower surface of installation shell, the basin has been seted up in the cutter punches, the bottom of cooling water pipe is linked together with the inside basin of seting up of cutter punches, and two cooling water pipes all set up to flexible water pipe.
As a further scheme of the invention: the top of rotary device is connected with the lower fixed surface of installation piece, the fixed slot has been seted up to the upper surface of installation piece, the draw-in groove has all been seted up to the left and right sides face of fixed slot inner wall, the shape of fixed slot and draw-in groove all with the shape looks adaptation of external drive device drive shaft.
As a further scheme of the invention: the equal threaded connection of the left and right sides face of installation piece has fastening screw, and the one side that two fastening screw kept away from mutually respectively with the one end fixed connection of two handle opposite faces, the surface of handle is provided with anti-skidding line.
As a further scheme of the invention: threaded holes are formed in the front face and the back face of the inner wall of the fixing groove, fastening screws are connected in the two threaded holes in a threaded mode, the two fastening screws are located on the front face and the back face of the mounting block respectively, and a valve is arranged on the outer surface of the mounting shell.
As a further scheme of the invention: the rotating device comprises a bearing, the outer surface of the bearing is fixedly connected with the inner wall of the installation shell, a rotating shaft is sleeved in the bearing, and the two ends of the rotating shaft are fixedly connected with the top end of the soil sampling rod and the lower surface of the installation block respectively.
The invention has the beneficial effects that:
1. by arranging the handles, the fastening nuts, the conical inclined blocks, the punching cutters and the water tank, when the sampling device is used manually, a worker only needs to rotate the handles on two sides to grasp the handles on two sides, then the handles on two sides are reversely rotated, the handles drive the soil taking rod to rotate through the rotating shaft, the fastening nuts are positioned on the surface of the soil taking pipe and are hinged with the handles on two sides, so that the fastening nuts drive the soil taking pipe and the punching cutters to reversely rotate, the sampling device slowly extends into the ground under the action of the cutters at the bottom of the punching cutters, and the liquid in the water tank cools the punching cutters in the process of rubbing and moving downwards, so that the sampling device is not easy to generate high temperature due to the friction with underground substances in the operation process, and the condition that the content of the substances in the soil is changed due to the temperature rise of the punching cutters is further reduced, the possibility that the worker is scalded when the punching cutter moves to the handle along the soil sampling rod due to overhigh temperature is reduced, and meanwhile, the accuracy of data in soil detection is guaranteed;
2. by arranging the exhaust pipe, the fastening nut, the limiting blocks and the sealing sliding sleeve, when the sampling device moves to a sufficient depth, only the handle needs to be rotated in a forward direction, the handle can drive the fastening nut to rotate through the soil taking rod, and the movable column drives the sliding rod to slide towards the sealing sliding sleeve due to the friction force between the guide groove and the guide block, at the moment, gas in the sealing sliding sleeve can enter the exhaust pipe under the extrusion of the sealing block, so that the limiting blocks move outwards under the action of the air pressure in the exhaust pipe, meanwhile, the four limiting blocks can be simultaneously clamped in soil, and further, the punching cutter is fixed, and in the process of reverse rotation of the fastening nut, the fastening nut can move upwards along the threads on the surface of the conical inclined block, so that the conical inclined block is extruded to shrink inwards, and the sampling device can fix the obtained soil sample after obtaining a sufficient soil sample, the staff just can take out this sampling device afterwards, integrality and level when having ensured the soil sample and taking out, greatly reduced lead to the condition that the soil sample appears droing because of the external gravity when taking out soil and the impact force that the collision soil produced, the level according to the soil sample of the while convenience is studied soil.
3. According to the invention, by arranging the guide block and the guide groove, the pressure in the sealing sliding sleeve is gradually increased when the movable column extrudes the sliding rod until the pressure is greater than the friction force between the guide groove and the guide block, the guide block can slide in the guide groove, so that when the handle is rotated to fix a soil sample, the fastening nut is not easy to be blocked, and the smoothness of the fastening nut in moving is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the soil sampling pipe of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A;
FIG. 4 is a perspective structural view of the mounting block of the present invention;
FIG. 5 is a schematic cross-sectional view of a punching blade according to the present invention;
FIG. 6 is a schematic sectional view of the sealing sliding sleeve according to the present invention;
in the figure: the device comprises a mounting shell 1, a rotating device 2, a bearing 201, a rotating shaft 202, a soil sampling rod 3, a retainer 4, a fixing frame 5, a fastening nut 6, a soil sampling pipe 7, a conical oblique block 8, a thread 9, a punching cutter 10, a guide groove 11, a guide block 12, a movable column 13, a limiting groove 14, a sliding rod 15, a sealing sliding sleeve 16, a spring 17, an exhaust pipe 18, a limiting block 19, a cooling water pipe 20, a mounting block 21, a fixing groove 22, a clamping groove 23, a fastening screw 24, a grip 25, a threaded hole 26, a fastening screw 27, a valve 28 and a sealing block 29.
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.
As shown in figures 1-6, the invention provides a soil sampling device for measuring soil resistivity, which comprises a mounting shell 1, wherein the inner wall of the mounting shell 1 is fixedly connected with the outer surface of a rotating device 2, the bottom end of the rotating device 2 is fixedly connected with the top end of a soil sampling rod 3, the bottom end of the soil sampling rod 3 is fixedly connected with the upper surface of a retainer 4, the lower surface of the retainer 4 is fixedly connected with a plurality of fixing frames 5, the bottom ends of the fixing frames 5 are fixedly connected with the upper surface of the same fastening nut 6, the inner wall of the fastening nut 6 is in threaded connection with the outer surface of a soil sampling pipe 7, the top end of the soil sampling pipe 7 is fixedly connected with the lower surface of a conical inclined block 8, the conical inclined block 8 is in a conical shape, the outer surface of the conical inclined block 8 is provided with a thread 9, the conical inclined block 8 is in threaded connection with the inner wall of the fastening nut 6 through the thread 9, the bottom end of the soil sampling pipe 7 is fixedly connected with the upper surface of a punching cutter 10, the perforating cutter 10 is communicated with the bottom end of the soil sampling pipe 7 through a through hole arranged on the upper surface, a plurality of guide grooves 11 are arranged on the lower surface of the fastening nut 6, a plurality of guide blocks 12 are connected in the guide grooves 11 in a sliding way, the lower surfaces of the guide blocks 12 are respectively fixedly connected with the top ends of the movable columns 13, the bottom ends of the movable columns 13 are connected in the limiting grooves 14 in a sliding manner, by arranging the handle 25, the fastening nut 6, the punching cutter 10 and the water tank, the sampling device is not easy to generate high temperature due to friction with underground substances in the operation process, thereby reducing the change of the content of the substances in the soil caused by the temperature rise of the punching cutter 10, the possibility that the worker is scalded by moving the high temperature to the handle 25 along the soil sampling rod 3 due to the overhigh temperature of the punching cutter 10 is reduced, and meanwhile, the accuracy of data during detection of soil is guaranteed.
As shown in fig. 1, 3, 4 and 5, the bottom end of the movable column 13 is fixedly connected with one end of the back of the sliding rod 15, the sliding rod 15 is slidably connected in the sealing sliding sleeve 16, the lower surface of the sealing sliding sleeve 16 is fixedly connected with the upper surface of the perforating cutter 10, a spring 17 is arranged in the sealing sliding sleeve 16, the cross section of the guide groove 11 and the shape of the guide block 12 are both arranged in a T shape, the other end of the sliding rod 15 is fixedly connected with the front of the sealing block 29, the outer surface of the sealing block 29 is overlapped with the inner wall of the sealing sliding sleeve 16, due to the arrangement of the spring 17, when the fastening nut 6 moves to a proper height and fixes a soil sample in the conical inclined block 8, the spring 17 extrudes the sliding rod 15, so that the sliding rod 15 pushes the movable rod to reset, because a worker stops rotating the handle 25 after fixing the fastening nut 6, the air pressure in the sealing sliding sleeve 16 is restored, at this time, the limiting block 19 resets, thereby loosening the regulation of the punching cutter 10, so that the sampling device is not easy to be stuck when being taken out of the soil, the two ends of the spring 17 are respectively fixedly connected with the back of the inner wall of the sealing sliding sleeve 16 and the back of the sealing block 29, the outer surface of the sealing sliding sleeve 16 is fixedly connected with the exhaust pipe 18, one end of the back of the exhaust pipe 18 is communicated with the outer surface of the sealing sliding sleeve 16, the exhaust pipe 18 is internally provided with a limiting block 19, and due to the arrangement of the guide block 12 and the guide groove 11, so that when the pressure in the sealing sliding sleeve 16 is gradually increased when the movable column 13 presses the sliding rod 15 until the pressure is greater than the friction force between the guide groove 11 and the guide block 12, the guide block 12 will slide in the guide groove 11, so that the fastening nut 6 is not easy to be blocked when the handle 25 is rotated to fix the soil sample, and the smoothness when fastening nut 6 moves is ensured, and the back of limiting block 19 is fixedly connected with the clamping plate.
As shown in fig. 1 and 3, two cooling water pipes 20 are fixedly connected to the upper surface of the punching cutter 10, and the other ends of the two cooling water pipes 20 are both communicated with the lower surface of the mounting case 1, a water tank is arranged in the punching cutter 10, the bottom end of the cooling water pipe 20 is communicated with the water tank arranged in the punching cutter 10, due to the arrangement of the exhaust pipe 18 and the limiting block 19, the sampling device can fix the obtained soil sample after obtaining a sufficient soil sample, and then the sampling device can be taken out by a worker, thereby ensuring the integrity and the level of the soil sample when the soil sample is taken out, greatly reducing the falling-off condition of the soil sample caused by the external gravity and the impact force generated by the collision of the soil when the soil is taken out, and the two cooling water pipes 20 are both set to be telescopic water pipes, the rotating device 2 comprises a bearing 201, the outer surface of the bearing 201 is fixedly connected with the inner wall of the mounting case 1, a rotating shaft 202 is sleeved in the bearing 201, and two ends of the rotating shaft 202 are respectively fixedly connected with the top end of the soil sampling rod 3 and the lower surface of the mounting block 21.
As shown in fig. 1, 2 and 4, the top end of the rotating device 2 is fixedly connected with the lower surface of the mounting block 21, the upper surface of the mounting block 21 is provided with a fixing groove 22, the left and right side surfaces of the inner wall of the fixing groove 22 are provided with clamping grooves 23, the shapes of the fixing groove 22 and the clamping grooves 23 are matched with the shape of the driving shaft of the external driving device, and the left and right side surfaces of the mounting block 21 are in threaded connection with fastening screws 24, because of the fastening screws 24, when the sampling device adopts the external driving device to operate the punching cutter 10, the mounting block 21 can rapidly rotate along with the operation of the driving device, because a worker can disassemble the handle 25 through the fastening screws 24, the harm to the worker caused by the handle 25 driven by the high-speed rotation of the mounting block 21 is reduced, the safety of the worker is ensured, and one surface far away from the two fastening screws 24 is fixedly connected with one end of the opposite surfaces of the two handles 25 respectively, the surface of handle 25 is provided with anti-skidding line, and threaded hole 26 is all seted up on the front and the back of fixed slot 22 inner wall, and equal threaded connection has fastening screw 27 in two threaded hole 26, and two fastening screw 27 are located the front and the back of installation piece 21 respectively, and the surface of installation shell 1 is provided with valve 28.
The working principle of the invention is as follows: when the soil sampling device is used for sampling soil in a specified area, only the valve 28 needs to be opened, enough liquid is injected into the installation shell 1 through the valve 28, at the moment, the liquid injected into the installation shell 1 flows into the water tank inside the punching cutter 10 along the cooling water pipe 20, only the ground of the punching cutter 10 needs to be vertically placed on the ground, then a worker manually holds the handles 25 on the two sides, at the moment, the sampling device is driven in a manual rotation mode, when the handles 25 on the two sides are reversely rotated, the handles 25 drive the soil taking rod 3 to rotate through the rotating shaft 202, as the fastening nut 6 is positioned on the surface of the soil taking pipe 7 and hinged with the threads 9 thereof, the fastening nut 6 drives the soil taking pipe 7 and the punching cutter 10 to reversely rotate, at the moment, under the action of the cutter 10 at the bottom of the punching cutter, the sampling device slowly extends into the ground, and in the process that the punching cutter 10 rubs with the ground and moves downwards, the liquid in the water tank will cool the perforating cutter 10, when the sampling device moves to a sufficient depth, only the handle 25 needs to be rotated forward, at this time, the handle 25 will drive the fastening nut 6 to rotate through the soil-taking rod 3, and due to the friction between the guide groove 11 and the guide block 12, the movable column 13 drives the slide rod 15 to slide towards the sealing slide sleeve 16, at this time, the gas in the sealing slide sleeve 16 will enter the exhaust pipe 18 under the extrusion of the sealing block 29, so that the limit block 19 moves outwards under the action of the gas pressure in the exhaust pipe 18, at the same time, the four limit blocks 19 will be simultaneously clamped in the soil, and further fix the perforating cutter 10, and because the fastening nut 6 moves upwards along the thread 9 on the surface of the cone sloping block 8 during the reverse rotation process of the fastening nut 6, so as to extrude the cone sloping block 8 to shrink inwards, and when the deeper or harder soil needs to be sampled, it only needs to adopt this sampling device of external drive arrangement to drive, drive shaft joint through with external drive arrangement is in fixed slot 22 and draw-in groove 23, it can to fix through fastening screw 27 external drive arrangement's drive shaft afterwards, and when adopting this sampling device of drive arrangement operation, need dismantle both sides handle 25, its dismantlement step is gripping installation piece 21, after that antiport handle 25, make handle 25 along fastening screw 24 surperficial screw thread 9 slowly with the separation of installation piece 21 can, and the operating procedure that adopts external drive arrangement is the same with the operating procedure that adopts handle 25.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides a soil resistivity measures and uses soil sampling device, includes installation shell (1), its characterized in that: the inner wall of the mounting shell (1) is fixedly connected with the outer surface of the rotating device (2), the bottom end of the rotating device (2) is fixedly connected with the top end of the soil taking rod (3), the bottom end of the soil taking rod (3) is fixedly connected with the upper surface of the retainer (4), the lower surface of the retainer (4) is fixedly connected with a plurality of fixing frames (5), the bottom ends of the fixing frames (5) are fixedly connected with the upper surface of the same fastening nut (6), the inner wall of the fastening nut (6) is in threaded connection with the outer surface of the soil taking pipe (7), the top end of the soil taking pipe (7) is fixedly connected with the lower surface of the conical inclined block (8), the conical inclined block (8) is in a conical shape, the outer surface of the conical inclined block (8) is provided with threads (9), and the conical inclined block (8) is in threaded connection with the inner wall of the fastening nut (6) through the threads (9), the bottom of geotome (7) is connected with the last fixed surface of cutter (10) that punches, the through-hole that cutter (10) offered through the upper surface that punches is linked together with the bottom of geotome (7), if guide way (11) have been seted up to the lower surface of fastening nut (6), sliding connection has a plurality of guide block (12) in guide way (11), and the lower surface of a plurality of guide block (12) respectively with the top fixed connection of a plurality of activity post (13), the bottom sliding connection of activity post (13) is in spacing groove (14).
2. The soil sampling device for measuring soil resistivity of claim 1, wherein: the utility model discloses a punching device, including sealed sliding sleeve (16), the bottom of activity post (13) and the one end fixed connection at the slide bar (15) back, slide bar (15) sliding connection is in sealed sliding sleeve (16), the lower surface of sealed sliding sleeve (16) and the upper surface fixed connection who punches cutter (10), be provided with spring (17) in sealed sliding sleeve (16), the cross section of guide way (11) and the shape of guide block (12) all set up to the T font.
3. The soil sampling device for measuring soil resistivity of claim 2, wherein: the other end of the sliding rod (15) is fixedly connected with the front surface of the sealing block (29), the outer surface of the sealing block (29) is lapped with the inner wall of the sealing sliding sleeve (16), and the two ends of the spring (17) are fixedly connected with the back surface of the inner wall of the sealing sliding sleeve (16) and the back surface of the sealing block (29) respectively.
4. A soil sampling device for measuring soil resistivity as claimed in claim 3, wherein: the outer fixed surface of sealed sliding sleeve (16) is connected with blast pipe (18), the one end at the blast pipe (18) back is linked together with the surface of sealed sliding sleeve (16), be provided with stopper (19) in blast pipe (18), the back fixedly connected with cardboard of stopper (19).
5. The soil sampling device for measuring soil resistivity of claim 1, wherein: the upper surface fixed connection of cutter (10) punches has two cooling water pipes (20), and the other end of two cooling water pipes (20) all is linked together with the lower surface of installation shell (1), the basin has been seted up in cutter (10) punches, the bottom of cooling water pipe (20) is linked together with the basin of punching cutter (10) inside seting up, and two cooling water pipes (20) all set up to flexible water pipe.
6. The soil sampling device for measuring soil resistivity of claim 1, wherein: the top of rotary device (2) is connected with the lower fixed surface of installation piece (21), fixed slot (22) have been seted up to the upper surface of installation piece (21), draw-in groove (23) have all been seted up to the left and right sides face of fixed slot (22) inner wall, the shape of fixed slot (22) and draw-in groove (23) all with the shape looks adaptation of external drive device drive shaft.
7. The soil sampling device for measuring soil resistivity of claim 6, wherein: the left side surface and the right side surface of the mounting block (21) are in threaded connection with fastening screws (24), one surface, away from the two fastening screws (24), of the mounting block is fixedly connected with one end of each of the opposite surfaces of the two handles (25), and anti-skid grains are arranged on the outer surfaces of the handles (25).
8. The soil sampling device for measuring soil resistivity of claim 7, wherein: threaded holes (26) are formed in the front face and the back face of the inner wall of the fixing groove (22), fastening screws (27) are connected into the two threaded holes (26) in a threaded mode, the two fastening screws (27) are located on the front face and the back face of the mounting block (21) respectively, and a valve (28) is arranged on the outer surface of the mounting shell (1).
9. The soil sampling device for measuring soil resistivity of claim 6, wherein: rotating device (2) include bearing (201), the surface of bearing (201) and the inner wall fixed connection of installation shell (1), pivot (202) have been cup jointed in bearing (201), the both ends of pivot (202) respectively with the top of pole (3) of fetching earth and the lower fixed surface connection of installation piece (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110614685.9A CN113340646B (en) | 2021-06-02 | 2021-06-02 | Soil sampling device for soil resistivity measurement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110614685.9A CN113340646B (en) | 2021-06-02 | 2021-06-02 | Soil sampling device for soil resistivity measurement |
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| CN113340646A true CN113340646A (en) | 2021-09-03 |
| CN113340646B CN113340646B (en) | 2024-04-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606849A (en) * | 2024-01-22 | 2024-02-27 | 黑龙江省林业科学院伊春分院 | Wetland soil collection system |
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