CN111442948B - Box type soil sampling drill and soil sampling method thereof - Google Patents
Box type soil sampling drill and soil sampling method thereof Download PDFInfo
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- CN111442948B CN111442948B CN202010484425.XA CN202010484425A CN111442948B CN 111442948 B CN111442948 B CN 111442948B CN 202010484425 A CN202010484425 A CN 202010484425A CN 111442948 B CN111442948 B CN 111442948B
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- 238000005527 soil sampling Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims description 57
- 210000000078 claw Anatomy 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 229920003266 Leaf® Polymers 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 238000005273 aeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion 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
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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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 invention discloses a box-type soil sampling drill, which comprises: a box body; the earth drill comprises a drill rod and an earth cutter which are connected end to end; the bearing pad is detachably buckled at the top of the drill rod; and the pair of motors are arranged in the accommodating cavity of the box body, and driving shafts of the pair of motors are meshed with the pair of racks and drive the drill rod to slide on the box body. The box-type soil sampling drill provided by the invention realizes rapid sampling, reduces the manpower input and improves the working efficiency. The invention also discloses a soil sampling method of the box-type soil sampling drill, which is used for guiding the box-type soil sampling drill to be operated correctly so as to realize on-site rapid sampling.
Description
Technical Field
The invention relates to the technical field of soil sampling, in particular to a box type soil sampling drill and a soil sampling method thereof.
Background
At present, in the fields of ecological environment investigation, environmental monitoring and pollution prevention, soil sampling is an important method for acquiring index data, soil earth drills are widely used in soil sampling, and soil samples can be taken out easily. However, the traditional earth drill has the following inconveniences in the using process: 1. when a rubber hammer is used for applying force on the top end of the earth drill, the top end part of the earth drill is easy to damage due to the fact that the top of the earth drill is directly hit; 2. when a traditional soil drill is used for sampling, the soil drill is beaten by manpower and is inserted into soil, so that the soil drill cannot be guaranteed to vertically enter a soil body, the soil taking depth cannot be guaranteed, and an error is generated; 3. after the soil sampling depth reaches 60cm to 100cm, the resistance of the soil sampling drill is large when the soil sampling drill is pulled out due to the large depth, and the waist of a worker is often damaged; 4. after a certain soil sampling depth is reached, because the soil in the soil sampling drill is compacted, the soil sample is difficult to separate from the soil body, the soil sample is difficult to separate from the soil sampling drill, and the like.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the box-type soil sampling drill, which realizes quick sampling, reduces the manpower input and improves the working efficiency.
Still another object of the present invention is to provide a method for sampling soil for a box-type soil sampling drill, so as to guide the correct operation of the box-type soil sampling drill, thereby realizing rapid sampling on site.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a box type earth auger, comprising:
the box body, form a holding cavity in it; the pair of through holes I are correspondingly formed in the top plate and the bottom plate of the box body from top to bottom; the operation window is arranged on one side wall of the box body; the clamping piece is arranged on a top plate of the box body, a through hole is formed in the axial direction of the clamping piece, and the through hole in the clamping piece and the pair of through holes I are coaxially arranged;
the earth drill comprises a drill rod and an earth cutter which are connected end to end; the pair of racks are correspondingly arranged on two corresponding first side walls of the drill rod, and the pair of racks is not contacted with the inner side walls of the clamping pieces; the pair of protruding edges are correspondingly arranged on two corresponding second side walls of the drill rod, and the pair of protruding edges and the pair of grooves on the inner side wall of the through hole of the clamping piece are correspondingly clamped and arranged, so that the drill rod can be vertically and reciprocally arranged on the box body through the pair of through holes and the through hole of the clamping piece in a sliding manner; the bearing pad is of a cap body structure, the bearing pad is detachably buckled at the top of the drill rod, and the diameter of the bearing pad is larger than the diameter of the cross section of the drill rod; and
and the driving shafts of the motors are meshed with the racks and drive the drill rod to slide on the box body.
Preferably, the soil sampling knife further comprises:
the claw clamp comprises a handle part, one end of the handle part is connected with the drill rod, the edge of the other end of the handle part extends downwards to form at least two elastic metal sheets, and an included angle R is formed between the at least two elastic metal sheets and the axial direction of the handle part and is less than 40 degrees, so that the front ends of the at least two elastic metal sheets extend in a divergent manner; a hollow cylinder is formed in the handle part; and
the detachable sleeve of the barrel is arranged on the claw clamp, the upper end of the barrel is detachably fixed on the handle part through the spring fastener, the outer side walls of the at least two elastic metal sheets and the inner side wall of the barrel are arranged in a mutual abutting mode, and the front ends of the at least two elastic metal sheets extend to be close to the lower end of the barrel but do not protrude out of the lower end of the barrel.
Preferably, the spring fastener further comprises a pair of arc-shaped limiting grooves correspondingly penetrating through the side wall of the hollow cylinder body of the handle part; the limiting buckle is a cylindrical structure body, the limiting buckle is rotatably arranged in the hollow cylinder body of the handle part, an accommodating cavity is formed in the limiting buckle, and a pair of through holes II are correspondingly formed in the side wall of the cylindrical structure body; the tail ends of the two limiting blocks are correspondingly embedded in the pair of through holes II in opposite directions, and the tail ends of the two limiting blocks are mutually abutted and fixed through at least one spring, so that the front ends of the two limiting blocks respectively extend from the pair of arc-shaped limiting grooves to the outer side of the handle part, and the two limiting blocks can respectively slide synchronously in the length direction of the pair of arc-shaped limiting grooves by taking the limiting buckle as the center of a circle;
the barrel further comprises a pair of through holes III which are correspondingly arranged on the side wall of the barrel and are close to the upper end of the barrel;
the pair of through holes III of the barrel are detachably sleeved on the front ends of the two limiting blocks correspondingly, so that the upper end of the barrel is detachably fixed on the handle part through the spring fastener.
Preferably, the clamping device further comprises an annular slit with an upward opening, the annular slit is formed in the inner side wall of the cylinder body and is formed close to the lower end of the cylinder body, the front end of the claw clamp is detachably inserted into the annular slit, and the insertion depth is smaller than 5mm.
Preferably, the method further comprises the following steps:
the air supply pipe is arranged in the drill rod in a penetrating mode, the air outlet end of the air supply pipe is branched into a plurality of air supply branch pipes to extend to the joint of the handle part and the barrel body, and the air inlet end of the air supply pipe is communicated with an air source;
the at least two micro tubes are arranged in the side wall of the cylinder in a penetrating mode, the upper ends of the at least two ventilation micro tubes are detachably communicated with the front ends of the plurality of gas supply branch tubes, and the lower ends of the at least two ventilation micro tubes extend to the lower end of the cylinder; the air nozzles of the at least two air-permeable micro-pipes are positioned on the same plane a, the plane a is approximately vertical to the axis of the cylinder body, the air nozzles of the at least two air-permeable micro-pipes face the axis of the cylinder body, and the air nozzles of the at least two air-permeable micro-pipes are positioned above the annular crack; and
and the sealing rings are arranged on the inner side wall of the cylinder body at the communication positions of the plurality of gas supply branch pipes and the at least two micro pipes.
Preferably, the air nozzles of at least two aeration microtubes are elongated to spray fan-shaped gas cutting spray planes in the plane a.
Preferably, the air nozzles of at least two aeration microtubes have a width of 0.3-0.5mm and a length of 1-2mm;
the air injection pressure of the air nozzle is 0.8-1.1MPa.
Preferably, the method further comprises the following steps:
the four supporting legs are arranged on the bottom plate of the box body, and the lower ends of the four supporting legs are provided with wheel bodies;
at least one pair of sleeves which are correspondingly and vertically arranged on two side walls of the box body; a sliding groove is formed in the side wall of any sleeve; the bayonet I and the bayonet II are vertically arranged at the upper end and the lower end of the sliding groove and are communicated with the sliding groove;
the at least one pair of conical rods are arranged in the at least one pair of sleeves in a one-to-one correspondence manner and can slide up and down; arbitrary awl pole still includes the handle, and its nearly vertically setting is at the tail end of awl pole, and the handle can slide and rotatory embedding bayonet socket I or II internal fixation of bayonet socket along with the upper and lower of awl pole, and during handle detachable embedding bayonet socket II, the most advanced detachable of awl pole inserts 5cm at least in the soil, during handle detachable embedding bayonet socket I, the most advanced distance ground of awl pole is 5cm at least.
A soil sampling method of a box type soil sampling drill comprises the following steps:
step one, determining a sampling point, cleaning impurities on the surface of soil, then placing a box body at the sampling point, and adjusting a soil sampling cutter to be opposite to the sampling point;
continuously striking the bearing pad by using a rubber hammer until the soil taking cutter reaches the target soil taking depth, or starting a pair of motors to drive the soil taking drill to vertically insert into the soil until the soil taking cutter reaches the target soil taking depth;
starting an air source to inflate, wherein the air injection time of an air nozzle is less than or equal to 10s, and the air injection pressure is 0.8-1.1Mpa;
step four, starting a pair of motors to drive the soil sampling drill to vertically move upwards until the soil sampling cutter is separated from the ground of the sampling point;
placing the sample bag below the soil sampling cutter, and manually rotating the two limiting blocks of the spring fastener to enable the sample bag to slide in the arc limiting groove in a reciprocating manner; and then make the snak link drive the reciprocal certain angle of rotation of the relative stalk portion of sleeve, later, manual press the snak link, deviate from the barrel from the stalk portion, two at least spring leafs on the claw presss from both sides outwards bullet and open, and the soil sample in the claw presss from both sides falls into the sample bag.
The invention at least comprises the following beneficial effects:
the bearing pad can be made into a mushroom-like plug, the thin head is inserted into the soil drill rod and is padded at the upper end of the drill rod, and the impact force caused by the fact that a rubber hammer strikes the soil drill rod is relieved; the inserted link below the bearing pad can also be manufactured to be in threaded connection with the upper end of the drill rod, so that the installation and the replacement are convenient;
the clamping piece is tightly attached to the outer wall of the drill rod so as to ensure that the position of the soil sampling drill cannot deviate in the descending process, the soil sampling drill descends at a vertical angle, the soil sampling depth is ensured, and the soil sampling error is reduced;
the large-torque motors are meshed with the racks on the drill rod, when the depth of the soil drill reaches 60cm or more, the large-torque motors can drive the racks to lift the soil drill out, and therefore the phenomenon that soil in the soil drill falls off or is adhered to other soil samples due to twisting during manual pulling-out is avoided, and experimental errors are increased;
the operation window is used for manual operation, the taken soil sample is transferred into the soil sample bag, time and labor are saved, and a soil taking line is sensed;
in conclusion, the device has the advantages of simple structure, convenient carrying and easy operation, does not need to use a transport tool in most cases, is easy to accept by experimenters, and is suitable for field experiments; can take a sample fast, reduce the input of manpower, improve work efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic front view of a box drill according to one embodiment of the present invention;
FIG. 2 is a schematic perspective view of a box drill according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of the housing according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of the locking member according to an embodiment of the present invention;
FIG. 5 is a schematic longitudinal cross-sectional view of the jaw clamp according to one embodiment of the present invention;
FIG. 6 is a schematic diagram of a longitudinal cross-sectional structure of the barrel body sleeved on the jaw clamp according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a box drill according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a longitudinal cross-sectional structure of the barrel fitting over the jaw in accordance with yet another embodiment of the present invention;
FIG. 9 is a schematic side view of a housing according to yet another embodiment of the present invention;
fig. 10 is a side view schematically illustrating the structure of the case according to still another embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Example 1
As shown in fig. 1 to 4, the present invention provides a box-type earth auger, comprising:
a case 10 having a receiving cavity formed therein; a pair of through holes I101 which are correspondingly arranged on the top plate and the bottom plate of the box body from top to bottom; an operation window 102 opened on one side wall of the case; the clamping piece 103 is arranged on the top plate of the box body, a through hole 1031 is formed in the axial direction of the clamping piece, and the through hole in the clamping piece is coaxially arranged with the pair of through holes I; the earth drill 20 comprises a drill rod 201 and an earth cutter 202 which are arranged end to end; a pair of racks 2011, which are correspondingly arranged on two corresponding first side walls of the drill rod, and the pair of racks is not in contact with the inner side walls of the clamping piece; the pair of protruding edges are correspondingly arranged on two corresponding second side walls of the drill rod, and the pair of protruding edges and the pair of grooves on the inner side wall of the through hole of the clamping piece are correspondingly clamped and arranged, so that the drill rod can be vertically and reciprocally arranged on the box body through the pair of through holes and the through hole of the clamping piece in a sliding manner; the bearing pad 203 is of a cap body structure, the bearing pad is detachably buckled at the top of the drill rod, and the diameter of the bearing pad is larger than the diameter of the cross section of the drill rod; and a pair of motors 30, which are arranged in the containing cavities of the box body, and the driving shafts of the motors are meshed with the racks and drive the drill rods to slide on the box body. The box body is also provided with a pair of power supplies 40 of the motor, and the top of the box body is provided with a button 301 of the motor.
In the scheme, the bearing pad can be manufactured into a mushroom-like plug, a thin head is inserted into the soil drill rod and is padded at the upper end of the drill rod, and the impact force of a rubber hammer under the smashing mode is relieved; the inserted link below the bearing pad can also be made into threaded connection with the upper end of the drill rod, so that the installation and the replacement are convenient; the clamping piece is tightly attached to the outer wall of the drill rod so as to ensure that the position of the soil sampling drill cannot deviate in the descending process, the soil sampling drill descends at a vertical angle, the soil sampling depth is ensured, and the soil sampling error is reduced; the large-torque motors are meshed with the racks on the drill rod, and when the depth of the earth auger reaches 60cm, the motors can be used for driving the racks to lift the earth auger; the operation window is used for manual operation, and the soil sample that will take out is transferred in soil sample bag. In conclusion, the device can quickly sample, reduce the labor input and improve the working efficiency.
As shown in fig. 5-6, in a preferred embodiment, the soil-taking blade further comprises: the claw clamp 2021 comprises a handle part 20211, one end of the handle part is connected with the drill rod, the edge of the other end of the handle part extends downwards to form at least two elastic metal sheets 20212, and an included angle R is formed between the at least two elastic metal sheets and the axial direction of the handle part, and R is less than 40 degrees, so that the front ends of the at least two elastic metal sheets extend in a divergent manner; a hollow cylinder is formed in the handle part; and a barrel 2022 detachably sleeved on the jaw clamp, wherein the upper end of the barrel is detachably fixed on the handle part through a spring fastener 2023, the outer side walls of the at least two elastic metal sheets and the inner side wall of the barrel are arranged in an abutting manner, and the front ends of the at least two elastic metal sheets extend to the lower end close to the barrel but do not protrude out of the lower end of the barrel. In this scheme, when getting the native sword and deepening the soil body in the sample, the claw clamp is extruded on the inside wall of barrel, therefore two at least elastic metal pieces that the claw pressed from both sides closely laminate with the soil in the barrel, when the soil sample in the barrel needs to be taken out, the accessible is lifted the barrel off from the stalk portion, two at least elastic metal pieces can take the soil sample to deviate from the barrel together simultaneously, afterwards, under self elasticity effect, the front end of two at least elastic metal pieces breaks away from the soil sample, the soil sample is automatic to drop. Simple operation, convenient use and complete preservation of soil samples.
As shown in fig. 7, in a preferred embodiment, the spring fastener further includes a pair of arc-shaped limiting grooves 20231, which are correspondingly penetrated through the side wall of the hollow cylinder body of the handle; the limit buckle 20232 is a cylindrical structure, the limit buckle is rotatably arranged in the hollow cylinder of the handle part, an accommodating cavity is formed in the limit buckle, and a pair of through holes ii are correspondingly arranged on the side wall of the cylindrical structure; the tail ends of the two limiting blocks 20233 are correspondingly oppositely embedded in the pair of through holes II, and the tail ends of the two limiting blocks are mutually abutted and fixed through at least one spring, so that the front ends of the two limiting blocks respectively extend from the pair of arc-shaped limiting grooves to the outer side of the handle part, the limiting buckles are used as circle centers, and the two limiting blocks can upwards and respectively synchronously slide in the length direction of the pair of arc-shaped limiting grooves; the cylinder body also comprises a pair of through holes III which are correspondingly arranged on the side wall of the cylinder body and are close to the upper end of the cylinder body; the pair of through holes III of the barrel are detachably sleeved on the front ends of the two limiting blocks correspondingly, so that the upper end of the barrel is detachably fixed on the handle part through the spring fastener. The spring fastener is used for the fixed barrel of detachable, and a pair of arc spacing groove is used for holding two stoppers, also provides certain slidable space for the stopper simultaneously, consequently, before taking off the barrel, two stoppers of rotatory wrench movement of accessible, and then drive barrel and claw clamp and take place the relative rotation of certain degree, further destroys the adhesion of soil sample surface and barrel inside wall through the spring leaf, and then makes soil sample change in breaking away from out.
In a preferable scheme, the clamping device further comprises an annular crack with an upward opening, the annular crack is formed in the inner side wall of the cylinder body and is formed close to the lower end of the cylinder body, the front end of the claw clamp is detachably inserted into the annular crack, and the insertion depth is smaller than 5mm. In this scheme, the annular crack is seted up on the inside wall of barrel, and the opening upwards sets up for in the front end detachable of claw clamp deepened the annular crack, can effectively block the influence that the soil body pressed from both sides the claw when inserting the soil body, make it laminate smoothly on the lateral wall of barrel under the extrusion of the soil body.
As shown in fig. 8, in a preferred embodiment, the method further includes: the air supply pipe 50 is arranged in the drill rod in a penetrating mode, the air outlet end of the air supply pipe is branched into a plurality of air supply branch pipes 501, the air supply branch pipes extend to the joint of the handle and the barrel, and the air inlet end of the air supply pipe is communicated with an air source; at least two micro tubes 502 which are arranged in the side wall of the cylinder in a penetrating way, the upper ends of the at least two air-permeable micro tubes are detachably communicated with the front ends of the plurality of air supply branch pipes, and the lower ends of the at least two air-permeable micro tubes extend to the lower end of the cylinder; the air nozzles of the at least two air-permeable micro-pipes are positioned on the same plane a, the plane a is approximately vertical to the axis of the cylinder body, the air nozzles of the at least two air-permeable micro-pipes face the axis of the cylinder body, and the air nozzles of the at least two air-permeable micro-pipes are positioned above the annular crack; and the sealing rings are arranged on the inner side wall of the cylinder body at the communication positions of the plurality of gas supply branch pipes and the at least two micro pipes. In this scheme, the air supply pipe and external air supply intercommunication, external air supply can be the air compressor pump that has the steam filter layer, is provided with the air-vent valve on the air supply pipe to control suitable gas pressure. The air compression pump is arranged in the box body and is convenient to carry, the sealing ring is used for sealing a gap between the barrel body and the handle part, gas leakage is avoided, and the air pressure strength of the air nozzle is effectively guaranteed.
In a preferred scheme, the air nozzles of at least two ventilating microtubes are long-strip-shaped, so that the fan-shaped gas is sprayed in the plane a to cut the spraying surface. The jet surface of the air nozzle is in a fan shape, and can rapidly cut the same plane below the soil body in the cylinder body.
In a preferred embodiment, the width of the air nozzles of at least two aeration microtubes is 0.3-0.5mm, such as 0.3mm, 0.4mm or 0.5mm; a length of 1-2mm, such as 1mm or 2mm; the air jet pressure of the air nozzle is 0.8-1.1MPa, such as 0.8MPa, 0.9MPa, 1.0MPa or 1.1MPa.
As shown in fig. 9-10, in a preferred embodiment, the method further comprises: four support legs 104 arranged on the bottom plate of the box body, and the lower ends of the four support legs are provided with wheels 1041; at least one pair of sleeves 105 vertically arranged on two side walls of the box body correspondingly; a sliding groove is formed in the side wall of any sleeve; the bayonets I1051 and II 1052 are vertically arranged at the upper end and the lower end of the chute, and the bayonets I and II are communicated with the chute; at least one pair of conical rods 106 which are arranged in the at least one pair of sleeves in a one-to-one correspondence and can slide up and down; any awl pole still includes handle 1061, and its nearly vertically setting is at the tail end of awl pole, and the handle can slide and rotatory embedding bayonet socket I or II internal fixation of bayonet socket along with the top and bottom of awl pole, and during handle detachable embedding bayonet socket II, the most advanced detachable of awl pole inserts 5cm at least in the soil, and when handle detachable embedding bayonet socket I, the most advanced distance ground of awl pole is 5cm at least.
In the scheme, in order to conveniently disassemble and move the box body, the wheel bodies are arranged on the four supporting legs, the foot brake universal wheels can be generally arranged, the movement is not limited, and the wheel bodies can be stabilized through the foot brakes during sampling, so that unnecessary movement cannot occur; further, in this scheme, still through setting up at least a pair of taper rod and at least a pair of sleeve cooperation, when the sampling point was arranged in to the box, can move down the taper shank of at least a pair of taper rod and block II internal fixations of buckle to make the lower extreme of at least a pair of taper rod insert in the soil body and carry out effective fixed to the box, further improve the overall stability of box geotome.
Example 2
A soil sampling method of a box type soil sampling drill comprises the following steps:
step one, determining a sampling point, cleaning impurities on the surface of soil, then placing a box body at the sampling point, and adjusting a soil sampling cutter to be opposite to the sampling point;
continuously beating the bearing pad by using a rubber hammer until the soil sampling cutter reaches the target soil sampling depth, or starting a pair of motors to drive the soil sampling drill to be vertically inserted into the soil until the soil sampling cutter reaches the target soil sampling depth;
starting an air source to inflate, wherein the air injection time of an air nozzle is less than or equal to 10s, and the air injection pressure is 0.8-1.1Mpa; such as: setting the air injection time of an air nozzle to be 10s and the air injection pressure to be 0.8Mpa; or setting the air injection time of the air nozzle to be 9s and the air injection pressure to be 0.9Mpa; or setting the air injection time of the air nozzle to be 8s and the air injection pressure to be 1.0Mpa; or setting the air injection time of the air nozzle to be 7s and the air injection pressure to be 1.1Mpa;
step four, starting a pair of motors to drive the soil sampling drill to vertically move upwards until the soil sampling cutter is separated from the ground of the sampling point;
placing the sample bag below the soil sampling cutter, and manually rotating two limiting blocks of the spring fastener to enable the sample bag to slide in the arc-shaped limiting groove in a reciprocating manner; and then make the snak link drive the reciprocal certain angle of rotation of the relative stalk portion of sleeve, later, manual press the snak link, deviate from the barrel from the stalk portion, two at least spring leafs on the claw presss from both sides outwards bullet and open, and the soil sample in the claw presss from both sides falls into the sample bag.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.
Claims (8)
1. A box-type earth auger, comprising:
the box body, form a holding cavity in it; the pair of through holes I are correspondingly formed in the top plate and the bottom plate of the box body from top to bottom; an operation window opened on one side wall of the case body; the clamping piece is arranged on a top plate of the box body, a through hole is formed in the axial direction of the clamping piece, and the through hole in the clamping piece and the pair of through holes I are coaxially arranged;
the earth drill comprises a drill rod and an earth cutter which are connected end to end; the pair of racks are correspondingly arranged on two corresponding first side walls of the drill rod, and the pair of racks are not contacted with the inner side walls of the clamping piece; the pair of protruding edges are correspondingly arranged on two corresponding second side walls of the drill rod, and the pair of protruding edges and the pair of grooves on the inner side wall of the through hole of the clamping piece are correspondingly clamped and arranged, so that the drill rod can be vertically and reciprocally arranged on the box body through the pair of through holes and the through hole of the clamping piece in a sliding manner; the bearing pad is of a cap body structure, the bearing pad is detachably buckled at the top of the drill rod, and the diameter of the bearing pad is larger than the diameter of the cross section of the drill rod; and
the driving shafts of the motors are meshed with the racks and drive the drill rod to slide on the box body; a pair of power supplies of the motor is also arranged in the box body, and a button of the motor is arranged at the top of the box body;
the soil sampling knife also comprises:
the claw clamp comprises a handle part, one end of the handle part is connected with the drill rod, the edge of the other end of the handle part extends downwards to form at least two elastic metal sheets, an included angle R is formed between the at least two elastic metal sheets and the axial direction of the handle part, and the R is less than 40 degrees, so that the front ends of the at least two elastic metal sheets extend in a divergent shape; a hollow cylinder is formed in the handle part; and
the detachable sleeve of the barrel is arranged on the claw clamp, the upper end of the barrel is detachably fixed on the handle part through the spring fastener, the outer side walls of the at least two elastic metal sheets and the inner side wall of the barrel are arranged in a mutual abutting mode, and the front ends of the at least two elastic metal sheets extend to be close to the lower end of the barrel but do not protrude out of the lower end of the barrel.
2. The earth auger according to claim 1, wherein said spring clip further comprises a pair of arcuate retaining grooves formed through the side wall of the hollow barrel of the shank; the limiting buckle is a cylindrical structure body, the limiting buckle is rotatably arranged in the hollow cylinder body of the handle part, an accommodating cavity is formed in the limiting buckle, and a pair of through holes II are correspondingly formed in the side wall of the cylindrical structure body; the tail ends of the two limiting blocks are correspondingly embedded in the pair of through holes II in opposite directions, and the tail ends of the two limiting blocks are mutually abutted and fixed through at least one spring, so that the front ends of the two limiting blocks respectively extend from the pair of arc-shaped limiting grooves to the outer side of the handle part, and the two limiting blocks can respectively slide synchronously in the length direction of the pair of arc-shaped limiting grooves by taking the limiting buckle as the center of a circle;
the cylinder body also comprises a pair of through holes III which are correspondingly arranged on the side wall of the cylinder body and are close to the upper end of the cylinder body;
the pair of through holes III of the barrel are detachably sleeved on the front ends of the two limiting blocks correspondingly, so that the upper end of the barrel is detachably fixed on the handle part through the spring fastener.
3. The earth auger according to claim 2, further comprising an upwardly opening annular slot formed in an interior sidewall of said barrel and adjacent a lower end of said barrel, said front end of said jaw clip being removably insertable into said annular slot to a depth of less than 5mm.
4. The box auger of claim 3, further comprising:
the air supply pipe is arranged in the drill rod in a penetrating mode, the air outlet end of the air supply pipe is branched into a plurality of air supply branch pipes to extend to the joint of the handle part and the barrel body, and the air inlet end of the air supply pipe is communicated with an air source;
the at least two micro tubes are arranged in the side wall of the cylinder in a penetrating manner, the upper ends of the at least two air-permeable micro tubes are detachably communicated with the front ends of the plurality of air supply branch pipes, and the lower ends of the at least two air-permeable micro tubes extend to the lower end of the cylinder; the air nozzles of the at least two air-permeable micro-pipes are positioned on the same plane a, the plane a is approximately vertical to the axis of the cylinder body, the air nozzles of the at least two air-permeable micro-pipes face the axis of the cylinder body, and the air nozzles of the at least two air-permeable micro-pipes are positioned above the annular crack; and
and the sealing rings are arranged on the inner side wall of the cylinder body at the communication positions of the plurality of gas supply branch pipes and the at least two micro pipes.
5. The box-type earth auger according to claim 4, wherein the air nozzles of at least two air-breathing microtubes are elongated to jet the fan-shaped gas cutting jet plane in the plane a.
6. The box-type earth auger according to claim 5, wherein the air nozzles of at least two air-breathing microtubes have a width of 0.3-0.5mm and a length of 1-2mm;
the air injection pressure of the air nozzle is 0.8-1.1MPa.
7. The box auger of claim 1, further comprising:
the four supporting legs are arranged on the bottom plate of the box body, and the lower ends of the four supporting legs are provided with wheel bodies;
at least one pair of sleeves which are correspondingly and vertically arranged on two side walls of the box body; a sliding groove is formed in the side wall of any sleeve; the bayonet I and the bayonet II are vertically arranged at the upper end and the lower end of the sliding chute and are communicated with the sliding chute;
the at least one pair of conical rods are arranged in the at least one pair of sleeves in a one-to-one correspondence manner and can slide up and down; any taper rod still includes the handle, and its nearly vertically setting is at the tail end of taper rod, and the handle can slide and rotatory embedding bayonet socket I or II internal fixation of bayonet socket along with the upper and lower of taper rod, and during handle detachable embedding bayonet socket II, at least 5cm in the most advanced detachable of taper rod inserts soil, during handle detachable embedding bayonet socket I, the most advanced distance ground of taper rod is at least 5cm.
8. The earth borrowing method for a box type earth drill according to claim 4, comprising the steps of:
step one, determining a sampling point, cleaning impurities on the surface of soil, then placing a box body at the sampling point, and adjusting a soil sampling cutter to be opposite to the sampling point;
continuously beating the bearing pad by using a rubber hammer until the soil sampling cutter reaches the target soil sampling depth, or starting a pair of motors to drive the soil sampling drill to be vertically inserted into the soil until the soil sampling cutter reaches the target soil sampling depth;
starting an air source to inflate, wherein the air injection time of an air nozzle is less than or equal to 10s, and the air injection pressure is 0.8-1.1Mpa;
step four, starting a pair of motors to drive the soil sampling drill to vertically move upwards until the soil sampling cutter is separated from the ground of the sampling point;
placing the sample bag below the soil sampling cutter, and manually rotating two limiting blocks of the spring fastener to enable the sample bag to slide in the arc-shaped limiting groove in a reciprocating manner; and then make the snak link drive the reciprocal certain angle of rotation of the relative stalk portion of sleeve, later, manual press the snak link, deviate from the barrel from the stalk portion, two at least spring leafs on the claw presss from both sides outwards bullet and open, and the soil sample in the claw presss from both sides falls into the sample bag.
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