CN104075908A - Internal-combustion circumferential-vibration soil sampler convenient to assemble and disassemble and soil sampling method thereof - Google Patents

Internal-combustion circumferential-vibration soil sampler convenient to assemble and disassemble and soil sampling method thereof Download PDF

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Publication number
CN104075908A
CN104075908A CN201410275125.5A CN201410275125A CN104075908A CN 104075908 A CN104075908 A CN 104075908A CN 201410275125 A CN201410275125 A CN 201410275125A CN 104075908 A CN104075908 A CN 104075908A
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lobe
soil
lobes
drill bit
sampler
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CN201410275125.5A
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CN104075908B (en
Inventor
李亮
梁新强
毛文俊
叶玉适
傅朝栋
王知博
赵越
张翼翔
金熠
朱思睿
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The invention relates to an internal-combustion circumferential-vibration soil sampler convenient to assemble and disassemble and a soil sampling method thereof. The soil sampler comprises a handle, a diesel engine, a coupler, main shaft equipment and a removable drilling head, and is characterized in that an engine at the upper end of the sampler drives a central shaft of a main shaft part and an eccentric block on the central shaft to rotate by the coupler, as a certain eccentric distance is left between the eccentric block and the axis of the central shaft, the eccentric block can generate a centrifugal force on a horizontal plane to cause the vibration of the sampler while rotating along with the central shaft, the sampler is driven to tamp circumferential soil to generate a gap, and besides, the sampler can easily move downwards under the action of the dead load and pressure transmitted to the handle by an operator; the drilling head part of the sampler is composed of detachable three petals, a cylinder structure is arranged inside the locked three-petal drilling head, a notch is formed in the lower end of the drilling head, and therefore, the problems that a soil sample sampled by a traditional sampler is not cylindrical and the soil volumes at different sampling depths are uneven are solved. The internal-combustion circumferential-vibration soil sampler is high in sampling precision, has time-saving and labor-saving effects, and is convenient to operate and high in practicability.

Description

Internal combustion circular vibration is reassembling type soil sampler and method thereof just
Technical field
The present invention relates to a kind of soil sampler, relate in particular to internal combustion circular vibration that a kind of soil profile soil sample gathers just reassembling type soil sampler and method thereof.
Background technology
The collection of soil profile sample, it is soil taxonomy investigation, soil body conformational analysis, characteristics of soil fertility research, the basis that Soil nutrient movement changes and soil ecology is investigated, classic method generally adopts excavates long 1.0 m ~ 2.0 m, wide 1.0 m, the soil profile of dark 1.0 m ~ 2.0 m is cheated or is gathered soil sample with soil drilling method, though excavate soil profile hole, can get different depth original-state soil sample, but workload is large, inefficiency, very large to sampling site environmental disruption degree, existing our traditional soil sampler, operator with hand steered handle, by rotation handle, also firmly make with strength earth boring auger move in deep soil downwards, general with this earth boring auger collection more closely during deep soil operator need to beat a very large downward acting force of drilling rod generation with hammer, just can make earth boring auger enter the soil layer of deep layer, this earth boring auger generally requires very high to the material soundness of earth boring auger drilling rod, during sampling, waste time and energy especially.
Show by statistics, get the soil sample of 40 ~ 100 cm, 3 operating personnel, 2 people hold 2 earth boring auger samplings, and 1 people extracts soil sample, 40 ~ 60 min consuming time.This paddle type mill geotome can not prevent from boring wall and surrounding soil to the extruding of got soil column and compacting, and used soil geotome generally adopts and on drilling pipe, cuts out a slit to take out the design of the pedotheque gathering, for the soil that the soil is porous, it is easily loose when sample is taken out, this just cannot guarantee to obtain complete earth pillar, therefore, in order to overcome the faultiness design of traditional earth boring auger in background technology, invent and a kind ofly can alleviate sampling work amount, make the more accurate soil sampler of experimental result imperative.
Summary of the invention
For the investigation carrying out the aspects such as field soil section fertility, Soil nutrient movement conversion, soil Root Distribution, Soil Environmental Pollution, for existing sample acquisition machine, cannot obtain complete earth pillar and the weak point that wastes time and energy of sampling, the present invention has designed a kind of internal combustion circular vibration of being convenient to sampling just reassembling type soil sampler and method thereof.
To achieve these goals, the present invention is by the following technical solutions:
A kind of internal combustion circular vibration just reassembling type soil sampler comprises handle, diesel motor, shaft coupling, main shaft device, dismantled and assembled drill bit; Diesel motor is connected with main shaft device by shaft coupling, handle is blank pipe structure, be arranged on main shaft device, diesel motor provides power, in the middle of main shaft device, adopt central shaft to drive eccentric block to rotate to provide vibration, main shaft device bottom connects drill bit, and drill bit is comprised of a lobe, No. two lobes and No. three lobes, in every lobe outside, bears serial numbers respectively.
Described main shaft device comprises sleeve, handle mount pad, central shaft, flat key, eccentric block, circlip, head bearing, lower bearing, top bearing cover and lower bearing end cap; Head bearing and lower bearing are fixed on central shaft in sleeve, and central shaft lower end is provided with flat key, and flat key overcoat has eccentric block, and eccentric block lower end is installed circlip and is used for location eccentricity piece and is unlikely to fall; Top bearing cover and lower bearing end cap are respectively used to fixedly head bearing, lower bearing, and the rotation of engine drives the rotation of central shaft by shaft coupling.
Lower cartridge outside in described main shaft device is provided with boss, a lobe of described dismantled and assembled drill bit, No. two lobes and No. three lobe upper inner are equipped with groove, during installation, make mutually nested cooperation of boss of three lobe grooves and main shaft device, be used for transmitting vibrations power and downward pressure.
Described dismantled and assembled drill bit uses snap ring and lower snap ring closes firm and on snap ring, has chisel groove up and down; Between described lobe and lobe, design different mutually nested vertical direction steps, the step of a lobe is that convex is outer recessed, No. two lobe is indent evagination near lobe one side stage rank, and No. two lobe is that convex is outer recessed near No. three lobe one side stage rank, and the step of No. three lobes is indent evagination; Dismantled and assembled drill bit lower end is provided with gap, to go deep into deep soil during soil sampler sampling, three lobe drill bit abutting joints well rear inner side are the faces of cylinder, guaranteed that after Soil Sample be right cylinder, dismantled and assembled drill bit outside is equipped with the scale mark of interval 100mm, is used for measuring the sampling depth of sampling thief, and three lobes of dismantled and assembled drill bit are provided with the tapering of 1:16 ratio, the internal diameter of the cylindricality drilling pipe forming after it is closed is 50mm, and the length of drill bit internal from gap position to lower bearing end cap is 500mm.
The internal combustion circular vibration of described sampling thief just reassembling type soil sampling method comprises the steps:
1) upper snap ring is set to the position more than boss of sleeve, abutting joint three lobe drill bits successively, first fill lobe No. one, during installation, the groove of a lobe snaps on sleeve boss, No. two lobes and No. three lobes are installed successively, then respectively upper snap ring and lower snap ring are entangled to three lobes downwards and upwards, and be locked, three lobe abutting joints have self-locking action together time, can not get loose;
2) the dismantled and assembled drill bit of sampling thief is inserted to soil layer according to institute's indexing outside sampling thief and sample, control handle, open engine, before starting engine, guarantee that dismantled and assembled bit part is installed to be locked, and sampling thief vertical ground;
3), when sampling thief reaches fetched earth layer depth, engine kill are shut down, and extract sampling thief; With chisel, in the chisel groove of upper snap ring and lower snap ring, upwards exit respectively snap ring downwards, according to the order of No. three lobes, No. two lobes and a lobe, dismantle dismantled and assembled drill bit successively, take out sample.
Compare with background technology, the beneficial effect that the present invention has is:
Soil sampler provided by the invention, utilize in engine vibration can be provided, engine output shaft drives the central shaft of main shaft portion to rotate together with the eccentric block being arranged on central shaft by shaft coupling, because eccentric block and center shaft axis have certain eccentric throw, when eccentric block rotates along with central shaft, on surface level, producing a centrifugal force causes sampling thief to produce vibration, cause sampling thief compacting surrounding soil to produce space, simultaneously sampling thief is easily moving down under to the pressure-acting of handle transmission from gravity and operator, time saving and energy saving during sampling, and above-below direction is significantly vibration not, the soil that drill bit internal is got so can not push phenomenon in vertical direction, sampling thief bit part is comprised of just reassembling type three lobes, with being connected by the boss of sleeve and the nested cooperation of groove of three lobe inside of main shaft portion, three lobes are distinguished fixing and locking three lobes up and down by self-locking cutting ferrule, and lower end design gap, this structure connects reliable, easy accessibility, and while guaranteeing to fetch earth, soil sample is kept intact not damaged, it is that the drilling pipe of cylindricality can at utmost guarantee to get the earth pillar that original state is complete that three lobe earth boring augers of sealing form inside, improves sampling precision, whole sampling thief is easy and simple to handle, practical.
Accompanying drawing explanation
Fig. 1 is the just one-piece construction schematic diagram of reassembling type soil sampler of internal combustion circular vibration;
Fig. 2 is sleeve of the present invention and inner structure cut-away view;
Fig. 3 is sleeve of the present invention and drill bit connection diagram;
Fig. 4 is dismantled and assembled drill bit structure schematic diagram of the present invention;
Fig. 5 is dismantled and assembled drill bit gap schematic diagram of the present invention;
In figure: lobe 1, No. two lobes 2, No. three lobes 3, numbering 4, scale 5, groove 6, gap 7, boss 8, central shaft 9, upper end bearing cap 10, head bearing 11, sleeve 12, eccentric block 13, flat key 14, lower bearing 15, lower ball cover 16, circlip 17, handle mount pad 18, upper snap ring 19, lower snap ring 20,
Chisel groove 21, handle 22, engine 23, shaft coupling 24.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further.
As shown in Figure 1, a kind of internal combustion circular vibration just reassembling type soil sampler comprise handle 22, diesel motor 23, shaft coupling 24, main shaft device, dismantled and assembled drill bit; Diesel motor 23 is connected with main shaft device by shaft coupling 24, handle 22 is blank pipe structures, be arranged on main shaft device, diesel motor 23 provides power, in the middle of main shaft device, adopt central shaft 9 to drive eccentric block 13 rotations that vibration is provided, main shaft device bottom connects drill bit, and drill bit is comprised of lobe 1, No. two lobes 2 and No. three lobes 3, in every lobe outside, bears serial numbers respectively 4.
As shown in Figure 2, described main shaft device comprises sleeve 12, handle mount pad 18, central shaft 9, flat key 14, eccentric block 13, circlip 17, head bearing 11, lower bearing 15, top bearing cover 10 and lower bearing end cap 16; Head bearing 11 and lower bearing 15 are fixed on central shaft 9 in sleeve 12, and central shaft 9 lower ends are provided with flat key 14, and flat key 14 overcoats have eccentric block 13, and eccentric block 13 lower ends are installed circlips 17 and are used for location eccentricity piece 13 and are unlikely to fall; Top bearing cover 10 and lower bearing end cap 16 are respectively used to fixedly head bearing 11, lower bearing 15, and the rotation of engine 23 drives the rotation of central shaft 9 by shaft coupling 24.Because the center of gravity of eccentric block 13 and central shaft 9 axle center have certain eccentric throw to produce circumference vibration, vibration force is by central shaft 9 and head bearing 11 and lower bearing 15 band moving sleeve 12 vibrations, because of the lower end of eccentric block 13 positions in main shaft portion, so lower end vibration is much larger than the vibration of upper end, the vibration force of sleeve 12 lower ends drives drill bit to comprise that three lobes vibrate in the horizontal direction, compacting drill bit soil layer around produces space, facilitates drill bit to move down; At sleeve, Shang Xia 12, install respectively bearing (ball) cover 10 and lower bearing end cap 16 is used for fixing respectively metal (upper in two ends, be unlikely to allow bearing descend in the axial direction play, and lower bearing end cap can also play the sealing function to drill bit internal soil sample, be unlikely to allow that to channel to main shaft in inner soil sample inner and affect usability; Sleeve 12 is used for bearing the vibration force that operating personnel's hold and engine gravity and rotation produce, and sleeve 12 outsides are equipped with the scale mark of interval 100 mm, are used for measuring the degree of depth of boring under sampling thief.
As shown in Figure 3, sleeve 12 lower outsides in described main shaft device are provided with boss 8, the lobe 1 of described dismantled and assembled drill bit, No. two lobes 2 and No. three lobe 3 upper inner are equipped with groove 6, during installation, make mutually nested cooperation of boss 8 of three lobe grooves 6 and main shaft device, be used for transmitting vibrations power and downward pressure.
As shown in Fig. 4 ~ Fig. 5, described dismantled and assembled drill bit uses snap ring 19 and lower snap ring 20 closes firm and on snap ring, has chisel groove 21 up and down; Between described lobe and lobe, design different mutually nested vertical direction steps, the step of a lobe 1 is that convex is outer recessed, No. two lobe 2 is indent evagination near lobe 1 one side stage rank, and No. two lobe 2 is that convex is outer recessed near No. three lobe 3 one side stage rank, and the step of No. three lobes 3 is indent evagination; Dismantled and assembled drill bit lower end is provided with gap 7, to go deep into deep soil during soil sampler sampling, three lobe drill bit abutting joints well rear inner side are the faces of cylinder, guaranteed that after Soil Sample be right cylinder, dismantled and assembled drill bit outside is equipped with the scale mark 5 of interval 100mm, is used for measuring the sampling depth of sampling thief, and three lobes of dismantled and assembled drill bit are provided with the tapering of 1:16 ratio, the internal diameter of the cylindricality drilling pipe forming after it is closed is 50mm, and the length of drill bit internal from gap 7 positions to lower bearing end cap 16 is 500mm.
Internal combustion circular vibration is the using method following steps of reassembling type soil sampler just:
1) more than 8 position of the boss that upper snap ring 19 is set to sleeve 12, abutting joint three lobe drill bits successively, first fill lobe 1 No. one, during installation, the groove 6 of a lobe 1 snaps on sleeve 12 boss 8, No. two lobes 2 and No. three lobes 3 are installed successively, then respectively upper snap ring 19 and lower snap ring 20 are entangled to three lobes downwards and upwards, and be locked, three lobe abutting joints have self-locking action together time, can not get loose;
2) the dismantled and assembled drill bit of sampling thief is inserted to soil layers according to institute's indexing outside sampling thief 5 and sample, control handle 22, open engine 23, before starting engine, guarantee that dismantled and assembled bit part is installed to be locked, and sampling thief vertical ground;
3), when sampling thief reaches fetched earth layer depth, engine 23 is flame-out shuts down, and extracts sampling thief; With chisel, in the chisel groove 21 of upper snap ring 19 and lower snap ring 20, upwards exit respectively snap ring downwards, according to the order of No. three lobes 3, No. two lobes 2 and a lobe 1, dismantle dismantled and assembled drill bit successively, take out sample.

Claims (5)

1. a just reassembling type soil sampler of internal combustion circular vibration, is characterized in that: comprise handle (22), diesel motor (23), shaft coupling (24), main shaft device, dismantled and assembled drill bit; Diesel motor (23) is connected with main shaft device by shaft coupling (24), handle (22) is blank pipe structure, be arranged on main shaft device, diesel motor (23) provides power, in the middle of main shaft device, adopt central shaft (9) to drive eccentric block (13) rotation that vibration is provided, main shaft device bottom connects drill bit, and drill bit is comprised of a lobe (1), No. two lobes (2) and No. three lobes (3), bears serial numbers respectively (4) in every lobe outside.
2. just reassembling type soil sampler of internal combustion circular vibration according to claim 1, is characterized in that: described main shaft device comprises sleeve (12), handle mount pad (18), central shaft (9), flat key (14), eccentric block (13), circlip (17), head bearing (11), lower bearing (15), top bearing cover (10) and lower bearing end cap (16); Head bearing (11) and lower bearing (15) are fixed on central shaft (9) in sleeve (12), central shaft (9) lower end is provided with flat key (14), flat key (14) overcoat has eccentric block (13), and eccentric block (13) lower end is installed circlip (17) and is used for location eccentricity piece (13) and is unlikely to fall; Top bearing cover (10) and lower bearing end cap (16) are respectively used to fixedly head bearing (11), lower bearing (15), and engine (23) rotation drives the rotation of central shaft (9) by shaft coupling (24).
3. according to just reassembling type soil sampler of the internal combustion circular vibration described in right 1, it is characterized in that: the sleeve in described main shaft device (12) lower outside is provided with boss (8), a lobe (1) of described dismantled and assembled drill bit, No. two lobes (2) and No. three lobes (3) upper inner are equipped with groove (6), during installation, make mutually nested cooperation of boss (8) of three lobe grooves (6) and main shaft device, be used for transmitting vibrations power and downward pressure.
4. according to just reassembling type soil sampler of the internal combustion circular vibration described in right 1, it is characterized in that: described dismantled and assembled drill bit is used snap ring (19) and lower snap ring (20) closes firmly and upper and lower snap ring on have chisel groove (21); Between described lobe and lobe, design different mutually nested vertical direction steps, the step of a lobe (1) is that convex is outer recessed, No. two lobes (2) are indent evagination near lobe (1) one side stage rank, No. two lobes (2) are that convex is outer recessed near No. three lobe (3) one side stage rank, and the step of No. three lobes (3) is indent evagination; Dismantled and assembled drill bit lower end is provided with gap (7), to go deep into deep soil during soil sampler sampling, three lobe drill bit abutting joints well rear inner side are the faces of cylinder, guaranteed that after Soil Sample be right cylinder, dismantled and assembled drill bit outside is equipped with the scale mark (5) of interval 100mm, be used for measuring the sampling depth of sampling thief, three lobes of dismantled and assembled drill bit are provided with the tapering of 1:16 ratio, the internal diameter of the cylindricality drilling pipe forming after it is closed is 50mm, and the length of drill bit internal from gap (7) position to lower bearing end cap (16) is 500mm.
5. the internal combustion circular vibration of implementing sampling thief is as claimed in claim 1 a reassembling type soil sampling method just, it is characterized in that comprising the steps:
1) upper snap ring (19) is set to the above position of boss (8) of sleeve (12), abutting joint three lobe drill bits successively, first fill a lobe (1), during installation, the groove (6) of a lobe (1) snaps on sleeve (12) boss (8), No. two lobes (2) and No. three lobes (3) are installed successively, then respectively upper snap ring (19) and lower snap ring (20) are entangled to three lobes downwards and upwards, and be locked, three lobe abutting joints have self-locking action together time, can not get loose;
2) the dismantled and assembled drill bit of sampling thief being inserted to soil layer according to institute's indexing (5) outside sampling thief samples, control handle (22), open engine (23), before starting engine, guarantee that dismantled and assembled bit part installation is locked, and sampling thief vertical ground;
3), when sampling thief reaches fetched earth layer depth, engine (23) is flame-out shuts down, and extracts sampling thief; With chisel, in the chisel groove (21) of upper snap ring (19) and lower snap ring (20), upwards exit respectively snap ring downwards, according to the order of No. three lobes (3), No. two lobes (2) and a lobe (1), dismantle dismantled and assembled drill bit successively, take out sample.
CN201410275125.5A 2014-06-19 2014-06-19 Internal combustion circular vibration just reassembling type soil sampler and method thereof Active CN104075908B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017977A (en) * 2016-05-13 2016-10-12 国投新疆罗布泊钾盐有限责任公司 Manual salt-retention water-retention fidelity sampling device and use method thereof
CN106226113A (en) * 2016-07-08 2016-12-14 合肥扬扬农业科技有限公司 A kind of agricultural technology extension soil sampling apparatus
CN110130313A (en) * 2019-05-30 2019-08-16 合肥建设装饰(集团)有限责任公司 Method foundation stabilization tamping unit and its working method are rushed in a kind of shake
CN117359558A (en) * 2023-12-07 2024-01-09 湖南千智机器人科技发展有限公司 Pipe throwing device of sampler

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CN102435459A (en) * 2011-11-25 2012-05-02 中国地质大学(北京) Portable earth surface shallow sampler
CN202994517U (en) * 2012-12-28 2013-06-12 金德� Foil soil sampler
CN203178104U (en) * 2013-04-17 2013-09-04 甘肃省交通科学研究院有限公司 Portable undisturbed loess sampler
CN203941027U (en) * 2014-06-19 2014-11-12 浙江大学 Just reassembling type soil sampler of a kind of internal combustion circular vibration

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US5771985A (en) * 1996-10-08 1998-06-30 Jaworski; Bill L. Earth penetrating apparatus for obtaining sediment samples, driving instrument probes, pilings, or sheet pilings
JP2001329527A (en) * 2000-05-25 2001-11-30 Sumikon Serutekku Kk Sampling apparatus and method for soil
JP2005061946A (en) * 2003-08-11 2005-03-10 Nlc:Kk Sampler
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106017977A (en) * 2016-05-13 2016-10-12 国投新疆罗布泊钾盐有限责任公司 Manual salt-retention water-retention fidelity sampling device and use method thereof
CN106226113A (en) * 2016-07-08 2016-12-14 合肥扬扬农业科技有限公司 A kind of agricultural technology extension soil sampling apparatus
CN110130313A (en) * 2019-05-30 2019-08-16 合肥建设装饰(集团)有限责任公司 Method foundation stabilization tamping unit and its working method are rushed in a kind of shake
CN110130313B (en) * 2019-05-30 2020-12-01 合肥建设装饰(集团)有限责任公司 Seismic impact method foundation stabilization tamping device and working method thereof
CN117359558A (en) * 2023-12-07 2024-01-09 湖南千智机器人科技发展有限公司 Pipe throwing device of sampler
CN117359558B (en) * 2023-12-07 2024-03-01 湖南千智机器人科技发展有限公司 Pipe throwing device of sampler

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