CN109085014A - A kind of ground high efficiency sampling apparatus and the method for sampling - Google Patents
A kind of ground high efficiency sampling apparatus and the method for sampling Download PDFInfo
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- CN109085014A CN109085014A CN201811262873.4A CN201811262873A CN109085014A CN 109085014 A CN109085014 A CN 109085014A CN 201811262873 A CN201811262873 A CN 201811262873A CN 109085014 A CN109085014 A CN 109085014A
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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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- Sampling And Sample Adjustment (AREA)
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Abstract
The invention discloses a kind of ground high efficiency sampling apparatus and the method for samplings, belong to ground exploring equipment field, have the advantages that improve sampling efficiency, its key points of the technical solution are that: a kind of ground efficient sampling device, including fixed bracket assembly, it is mounted on fixed bracket assembly and sequentially connected petrol engine, transmission component, boring assemblies, boring assemblies is connected with water cooling system outside, petrol engine connects transmission component；Transmission component is mounted in a mounting box, driving wheel and the coaxial mounted driving shaft of driving wheel are equipped in mounting box, driven wheel, with the coaxial mounted driven shaft of driven wheel, the transmission chain between driving wheel and driven wheel is set, and the piston of driving shaft and petrol engine passes through shaft coupling connection；The one end of driving shaft and driven shaft far from petrol engine is respectively connected with one group of boring assemblies；Slide assemblies are connected between petrol engine and fixed bracket assembly, and petrol engine is moved up and down along fixed bracket assembly.
Description
Technical field
The present invention relates to ground to sample field, more specifically, it relates to a kind of ground high efficiency sampling apparatus and sampling
Method.
Background technique
In the geotechnical engineering investigation work of mountainous region, knob, since Engineering Zone height above sea level is higher, heavy construction prospecting
Drilling machine is carried, water intaking is difficult, poor for applicability.Thus a kind of core sampling suit component is gradually developed, total quality about 20kg,
Have the characteristics that light, efficient.It specifically includes: host, feeler lever, drilling tool, drill bit, water system, locating piece etc..
Existing patent CN207703520U discloses ground sampler in a kind of geotechnical engineering, including gasoline engine, to cuing open
The lower section output shaft of thief rod and bracket, gasoline engine is engaged with gear set gear, and gear set is threadedly coupled with to cuing open thief rod, right
It cuts open thief rod to connect with drill bit thread, the top of drill bit is fixed with drill bit blade, and the described pair of shaft for cuing open thief rod is cased with branch
The bottom end stabilizer blade of frame, the bracket is equipped with damping spring.The utility model is lightly portable, and using multiple groups drill bit, there are also help
Bracket, and can separate to cuing open thief rod.
But in some basement rock weathering fissures bands, generally it is strong, in, take respectively in weak weathering fissures band, sandstones, mud
Rock class is required to sample, and needs to take 6 groups in this way, sample group is generally more.On the other hand, the soft easy mud drum of mud stone rock stratum matter, sand
Rock particle is not easy situations such as returning and be easy to cause sampling amount inadequate, needs to sample repeatedly, thus than relatively time-consuming.
Summary of the invention
In view of the deficienciess of the prior art, the first object of the present invention is to provide a kind of ground high efficiency sampling cartridge
It sets, has the advantages that improve sampling efficiency.
To achieve the above object, the present invention provides the following technical scheme that
A kind of ground efficient sampling device, including fixed bracket assembly, are mounted on fixed bracket assembly and sequentially connected vapour
Oil turbine, transmission component, boring assemblies, boring assemblies are connected with water cooling system outside, and the petrol engine connects transmission group
Part；
The transmission component is mounted in a mounting box, and driving wheel and the coaxial mounted active of driving wheel are equipped in mounting box
Axis, driven wheel and the coaxial mounted driven shaft of driven wheel, are arranged in the transmission chain between driving wheel and driven wheel, the active
The piston of axis and petrol engine is connected by shaft coupling；
The one end of the driving shaft and driven shaft far from petrol engine is respectively connected with one group of boring assemblies；
Slide assemblies are connected between the petrol engine and fixed bracket assembly, and petrol engine is along fixed bracket assembly
It moves up and down.
By using above-mentioned technical proposal, two groups of boring assemblies are driven by a petrol engine, it is different it is strong, in,
When taking respectively in the sandstone and mud stone of weak weathering fissures band, can quickly meet the needs of sampling amount, take full 6 groups of amount, save
When consume, improve efficiency.
Further, the boring assemblies include the drilling rod, corer and coring bit being successively threadedly coupled between each other,
The drilling rod is equipped with water supply joint by shaft coupling and driving shaft or driven axis connection, the drilling rod, and the coring bit is remote
An end face from corer is equipped with four and arches upward around corer center of circle central axis towards consistent, and arches upward to center polymerization simultaneously
Thieff hatch is formed, each back to arch upward is equipped with a column towards consistent brill tooth.
By using above-mentioned technical proposal, the shape of coring bit is improved, at work, arch one's back on
The coring bit of tooth compared with the existing technology is bored, the contact area with sandstone and mud stone is increased, bigger brill is provided and digs energy
Power, so that consumption when saving, improves efficiency.
Further, the fixed bracket assembly includes vertical slide bar, and is mounted on the base support of vertical slide bar bottom；
Base support is in " Qian " font, and the cross bar being mutually rotatablely connected by 3 forms.
By using above-mentioned technical proposal, vertical slide bar provides the dependence structure of petrol engine side, facilitates behaviour
Make the work of personnel, it is time saving and energy saving, and base support also very save space and material, then carry on the back during row is carried that cross bar can
To fold up, to save the space occupied.
Further, the slide assemblies include rectangular slider box,
The mounting platform of petrol engine is welded in the rectangular slider box, petrol engine is tight by bolt with mounting platform
Firmware connection；
The rectangular slider box inner wall four sides is each provided with one section of groove, and ball, four sides on the vertical slide bar are equipped in groove
Equipped with slideway, ball is moved up and down along slideway；
The side top of the rectangular slider box far from mounting platform is equipped with unilateral bearing by installation axle, on unilateral bearing
Layer of polyurethane is installed；
The symmetrical two sides of the rectangular slider box, groove lower section be equipped with locking nut.
By using above-mentioned technical proposal, petrol engine has been mounted on vertical slide bar by slide assemblies；Ball will be square
The sliding friction of shape slider box has become rolling friction, to reduce frictional force；Unilateral bearing be more convenient for petrol engine to
Lower movement, while when the upward anti-channeling of drill bit assembly, unilateral bearing has the function of reversed " locking ", increases drill bit assembly anti-channeling
Resistance so that drill bit assembly more efficiently downwards excavate sampling；Layer of polyurethane reduces between unilateral bearing and vertical slide bar
Frictional dissipation；The position of locking nut square shaped slider box carries out locking fastening.
Further, the other side and rectangular slider box of the mounting platform far from vertical slide bar are equipped with concealed
Hand steered handle.
By using above-mentioned technical proposal, concealed hand steered handle is set in the concealed back row that can be convenient and reduces occupancy
Space, on the other hand take out when can be convenient operator hold Hand steered hand control petrol engine lifting.
It further, further include having positioning plate,
Location hole there are two being set among the positioning plate, the distance between the distance between location hole and two groups of boring assemblies phase
Deng the positioning plate two sides are rotatably connected to hangers, are welded with square shade on hangers, and magnetic sheet is equipped in square shade；
The square groove being adapted with rectangular hood shape is equipped on two parallel cross bars of the base support, in square groove
It is bonded with magnetic sheet.
By using above-mentioned technical proposal, positioning plate when not in use, can be adsorbed on mounting platform or vertical by magnetic sheet
It is not easy to lose on any metalwork such as slide bar；At work, positioning plate can be embedded and firmly be adsorbed on base support, in vapour
When oil turbine shakes, it is not susceptible to deviate.Positioning plate is equipped with location hole simultaneously, and drill bit assembly passes through location hole rock downward
Core sampling reduces petrol engine there is a phenomenon where vibration often results in drill bit assembly and bores digging point offset.
Further, the vertical slide bar is equipped with clump weight far from the bottom of petrol engine.
By using above-mentioned technical proposal, the clump weight of vertical slide bar bottom is solved and gasoline engine at the top of vertical slide bar
The skimble-scamble situation of machine counterweight keeps the balance stood at work.
Further, the water cooling system includes the water supplying pipe connecting with the water supply interface on drilling rod, pressure bottle and
Portable water tank.
By using above-mentioned technical proposal, the water of water cooling system flows into coring bit along drilling rod, carries out to drill bit
It is cooling, hole wall is lubricated, to reduce wall drag, improves drilling efficiency.
The second object of the present invention is to provide a kind of method of sampling of ground high efficiency sampling apparatus have and improve sampling
The advantages of efficiency.
To achieve the above object, the present invention provides the following technical scheme that
A kind of method of sampling of ground high efficiency sampling apparatus,
Step 1: choosing sampling area in each different weathering fissures band, demarcate sampled point, and confirm sampling quantity；
Step 2: the positioning plate assembly of ground high efficiency sampling apparatus being removed from mounting platform, is mounted on base support two
On parallel cross bar, extraction is hidden in mounting platform far from the hand steered handle in perpendicular and rectangular slider box, and ground high efficiency is adopted
Sampling device, which lifts, to be erected on sampled point, and unclamps locking nut；
Step 3: starting petrol engine and pressure bottle, staff by hand steered handle by two groups of drill bit assemblies evenly down
Conveying is carried out while being sampled；
Step 4: when drill bit assembly extends to the end, locking locking nut, close pressure bottle, close petrol engine, open lock
Tight nut, moves upward out drill bit assembly, takes out the sample of acquisition.
By using above-mentioned technical proposal, the present invention provides a kind of efficient ground method of sampling, it is different it is strong,
In, take respectively in the sandstone and mud stone of weak weathering fissures band, quickly meet the needs of sampling amount, when saving is consumed, and improves efficiency.
In conclusion the invention has the following advantages:
1. passing through the setting of transmission component and two groups of drill bit assemblies, consumption when quickly meeting the needs of sampling amount, saving can be played
Effect；
2. passing through the setting of ball and unilateral bearing, it can play and facilitate operator's downslide petrol engine and reduce drill bit group
The effect of part anti-channeling；
3. can play by the setting of positioning plate assembly and be not easy to shake and solve drill bit when preventing positioning plate from losing, working
Component bores the brill being aligned when digging and digs the effect that point deviates problem.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is in embodiment for embodying the structural schematic diagram of slide assemblies；
Fig. 3 is in embodiment for embodying the structural schematic diagram of transmission component and boring assemblies；
Fig. 4 is in embodiment for embodying the structural schematic diagram of coring bit；
Fig. 5 is in embodiment for embodying the structural schematic diagram of positioning plate；
Fig. 6 is in embodiment for embodying the structural schematic diagram of square groove.
In figure, 1, fixed bracket assembly；11, vertical slide bar；111, slideway；112, clump weight；12, base support；121,
Cross bar；2, petrol engine；3, transmission component；31, mounting box；32, driving wheel；33, driving shaft；34, driven wheel；35, driven
Axis；36, transmission chain；37, bearing；38, shaft coupling；4, boring assemblies；41, drilling rod；42, corer；43, coring bit；44, encircle
It rises；45, tooth is bored；46, water supply interface；5, slide assemblies；51, rectangular slider box；52, mounting platform；53, groove；54, ball；
55, unilateral bearing；56, layer of polyurethane；57, locking nut；6, water cooling system；61, water supplying pipe；62, pressure bottle；63, portable
Formula water tank；7, hand steered handle；8, positioning plate；81, location hole；82, hangers；83, square shade；84, magnetic sheet；85, square groove.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment:
As shown in Figure 1, an efficient ground sampling apparatus, including fixed bracket assembly 1, it is mounted on fixed bracket assembly 1
And sequentially connected petrol engine 2, transmission component 3, boring assemblies 4, between petrol engine 2 and fixed bracket assembly 1 also
Slide assemblies 5 are connected with, petrol engine 2 is allowed to move up and down along fixed bracket assembly 1.Water cooling system is connected with outside boring assemblies 4
System 6.
As shown in Figure 1, fixed bracket assembly 1 includes vertical slide bar 11, and it is mounted on the pedestal branch of vertical 11 bottom of slide bar
Frame 12.Vertical slide bar 11 is equipped with slideway 111, in the future for sliding along for a slide assemblies 5.In order to keep balancing, erect
Clump weight 112 is equipped with far from the direction bottom of petrol engine 2 to slide bar 11.Clump weight 112 can be bolted realization and increase
It adds deduct few.Base support 12 is in " Qian " font, is made of 3 cross bars being mutually rotatablely connected 121.Rotation connection mode can be with
To be hinged, be hinged realization rotation between 3 cross bars 121.When selecting hinge joint, in two parallel cross bars 121 1 can be with
Hinge joint is arranged in fragment position therebetween for selection, to facilitate the folding after rotation.Two parallel cross bars 121 are equipped with recessed simultaneously
Slot 53, in the future for the installation of a fixed plate.
As shown in Fig. 2, slide assemblies 5 include rectangular slider box 51.Petrol engine 2 is welded in rectangular slider box 51
Mounting platform 52, petrol engine 2 is erected on mounting platform 52, and is bolted connection.Rectangular 51 inner wall of slider box
Four sides is each provided with one section of groove 53, and ball 54 is equipped in groove 53, is equipped with slideway 111, ball 54 on four sides on vertical slide bar 11
It is moved up and down along slideway 111.The side top of rectangular slider box 51 far from mounting platform 52 is equipped with unidirectionally by installation axle
Bearing 55, to facilitate slide downward and to some drag reduction anti-channelings of drill bit assembly.Layer of polyurethane is installed on unilateral bearing 55
56, to reduce the frictional dissipation between unilateral bearing 55 and vertical slide bar 11.When stopping using, rectangular slider box 51 is symmetrical
Two sides, groove 53 lower section be equipped with locking nut 57, can with square shaped slider box 51 carry out position locking.
As shown in figure 3, being fixedly connected with a mounting box 31(referring to Fig. 1 by connecting column below mounting platform 52), peace
Transmission component 3 is equipped in mounted box 31.Transmission component 3 includes driving wheel 32 and the coaxial mounted driving shaft 33 of driving wheel 32, driven
Wheel 34 and the coaxial mounted driven shaft 35 of driven wheel 34, are arranged in the transmission chain 36 between driving wheel 32 and driven wheel 34.Gasoline
The piston of engine 2 is arranged towards mounting box 31, and driving shaft 33 connects piston by shaft coupling 38.Driving shaft 33 and driven shaft 35
It is arranged with bearing 37 outside, 37 shell of bearing is welded on mounting box 31.
As shown in figure 3, the one end of driving shaft 33 and driven shaft 35 far from petrol engine 2 is respectively connected with one group of boring assemblies
4。
As shown in figure 3, boring assemblies 4 include drilling rod 41, corer 42 and the core drill being successively threadedly coupled between each other
First 43.Drilling rod 41 is connect by shaft coupling 38 with driving shaft 33 or driven shaft 35, and drilling rod 41 is equipped with water supply joint, with outside
Water cooling system 6 connects.As shown in figure 4, coring bit 43, which is equipped with four far from an end face of corer 42, surrounds corer 42
Center of circle central axis arches upward 44 towards consistent, and arches upward and 44 polymerize to center and form thieff hatch, each arches upward on 44 back
It arranges equipped with one towards consistent brill tooth 45.
As shown in Figure 1, water cooling system 6 includes the water supplying pipe 61 connecting with the water supply interface 46 on drilling rod 41, pressure bottle
62 and portable water tank 63.Portable water tank 63 generally have staff fill water choose sampling ground or nearby water intaking.Then
It adds water in the pressure bottle 62 of water system, the hydraulic pressure in pressure bottle 62 is pressed into drilling rod by way of pressurization manually inflating
On 41, water flows to coring bit 43 along 41 cavity of drilling rod, on coring bit 43, the cooling to drill bit is completed, to the profit of hole wall
It is sliding, wall drag is reduced, drilling efficiency is improved.
As shown in Figure 1, staff operates the lifting of petrol engine 2 and drill bit assembly for convenience, in mounting platform
Concealed hand steered handle 7 is equipped on 52 other sides and rectangular slider box 51 far from vertical slide bar 11.Hiding can be with
For undercut, hinged hand steered handle 7 in undercut are arranged on 51 outer wall of mounting platform 52 and rectangular slider box.When it is desired to be used,
Turn down out Hand steered hand 7.
As shown in figure 5, digging point because vibration deviates to solve the brill of drill bit assembly alignment when petrol engine 2 works
The problem of, positioning plate 8 is increased at work.Set among positioning plate 8 there are two location hole 81, the distance between location hole 81 with
The distance between two groups of boring assemblies 4 are equal.8 two sides of positioning plate are rotatably connected to hangers 82.Rotation connection mode can be,
8 two sides of positioning plate connect a movable flabellum that can vertically turn down, and are provided with shaft on a flabellum of remotely located plate 8,
Lantern ring can be horizontally rotated around the shaft by being connected in shaft, and lantern ring welds again with hangers 82.In this way, hangers 82 can be relative to positioning plate
8 overturn in the vertical direction and the horizontal direction.It is welded with square shade 83 on hangers 82, is equipped with magnetic sheet 84 in square shade 83.Bottom
The square groove 85(being adapted with 83 shape of square shade is equipped on seat support 12 two parallel cross bars 121 referring to Fig. 6), side
Magnetic sheet 84 is bonded in connected in star 85.Positioning plate 8 when not in use, can be adsorbed on mounting platform 52 or vertical sliding by magnetic sheet 84
It is not easy to lose on any metalwork such as bar 11.At work, positioning plate 8 can be embedded and firmly be adsorbed on base support 12,
When petrol engine 2 shakes, it is not susceptible to deviate.
The method of sampling of above-mentioned ground high efficiency sampling apparatus is as follows,
Step 1: choosing sampling area in each different weathering fissures band, demarcate sampled point, and confirm sampling quantity；
Step 2: 8 component of positioning plate of ground high efficiency sampling apparatus being removed from mounting platform 52, is mounted on base support
On 12 two parallel cross bars 121, extraction is hidden in the hand steered handle 7 in the separate perpendicular and rectangular slider box 51 of mounting platform 52,
Ground high efficiency sampling apparatus is lifted and is erected on sampled point, and unclamps locking nut 57；
Step 3: starting petrol engine 2 and pressure bottle 62, staff by hand steered handle 7 by two groups of drill bit assemblies evenly
It conveys, carry out while sampling down；
Step 4: when drill bit assembly extends to the end, locking locking nut 57, close pressure bottle 62, close petrol engine 2, beat
Open locking nut 57, moves upward out drill bit assembly, takes out the sample of acquisition.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (9)
1. a kind of ground efficient sampling device, including fixed bracket assembly (1), it is mounted on fixed bracket assembly (1) and successively
Petrol engine (2), transmission component (3), the boring assemblies (4) of connection, boring assemblies (4) are connected with water cooling system (6) outside,
It is characterized by: petrol engine (2) connection transmission component (3)；
The transmission component (3) is mounted in a mounting box (31), and driving wheel (32) and driving wheel are equipped in mounting box (31)
(32) coaxial mounted driving shaft (33), driven wheel (34) and driven wheel (34) coaxial mounted driven shaft (35), are arranged in master
Transmission chain (36) between driving wheel (32) and driven wheel (34), the driving shaft (33) and the piston of petrol engine (2) pass through
Shaft coupling (38) connection；
One end of the driving shaft (33) and driven shaft (35) separate petrol engine (2) is respectively connected with one group of boring assemblies (4)；
It is connected with slide assemblies (5) between the petrol engine (2) and fixed bracket assembly (1), and petrol engine (2) edge
Fixed bracket assembly (1) moves up and down.
2. a kind of ground efficient sampling device according to claim 1, it is characterised in that:
The boring assemblies (4) include the drilling rod (41), corer (42) and coring bit being successively threadedly coupled between each other
(43)；The drilling rod (41) is connect by shaft coupling (38) with driving shaft (33) or driven shaft (35), is set on the drilling rod (41)
There is water supply joint；The coring bit (43) is equipped with four in corer (42) center of circle far from an end face of corer (42)
Mandrel arches upward (44) towards consistent, and arch upward (44) polymerize to center and form thieff hatch, each ridge for arching upward (44)
Back is equipped with a column towards consistent brill tooth (45).
3. a kind of ground efficient sampling device according to claim 1, it is characterised in that: the fixed bracket assembly (1)
Including vertical slide bar (11), and it is mounted on the base support (12) of vertical slide bar (11) bottom；Base support (12) is in " Qian " word
Shape is made of 3 cross bars being mutually rotatablely connected (121).
4. a kind of ground efficient sampling device according to claim 3, it is characterised in that:
The slide assemblies (5) include rectangular slider box (51),
The mounting platform (52) of petrol engine (2), petrol engine (2) and installation are welded on the rectangular slider box (51)
Platform (52) is fastened by bolts part connection；
Rectangular slider box (51) the inner wall four sides is each provided with one section of groove (53), is equipped with ball (54) in groove (53), institute
It states and is equipped with slideway (111) on four sides on vertical slide bar (11), ball (54) is moved up and down along slideway (111)；
The side top of the rectangular slider box (51) far from mounting platform (52) is equipped with unilateral bearing by installation axle
(55), layer of polyurethane (56) are installed on unilateral bearing (55)；
The symmetrical two sides of the rectangular slider box (51), groove (53) lower section be equipped with locking nut (57).
5. a kind of ground efficient sampling device according to claim 4, it is characterised in that: the mounting platform (52) is separate
The other side of vertical slide bar (11) and rectangular slider box (51) are equipped with concealed hand steered handle (7).
6. a kind of ground efficient sampling device according to claim 3, it is characterised in that:
It further include having positioning plate (8),
Location hole (81), the distance between location hole (81) and two groups of boring assemblies (4) there are two being set among the positioning plate (8)
The distance between it is equal, positioning plate (8) two sides are rotatably connected to hangers (82), and hangers is welded with square shade on (82)
(83), magnetic sheet (84) are equipped in square shade (83)；
Be equipped on (12) two parallel cross bars (121) of the base support with square shade (83) shape be adapted it is rectangular recessed
Slot (85), square groove (85) is interior to be bonded with magnetic sheet (84).
7. a kind of ground efficient sampling device according to claim 3, it is characterised in that: the vertical slide bar (11) is separate
The bottom of petrol engine (2) is equipped with clump weight (112).
8. a kind of ground efficient sampling device according to claim 1, it is characterised in that: water cooling system (6) packet
Include the water supplying pipe (61) connecting with the water supply interface (46) on drilling rod (41), pressure bottle (62) and portable water tank (63).
9. a kind of method of sampling of ground high efficiency sampling apparatus according to claim 1-8, is characterized in that:
Step 1: choosing sampling area in each different weathering fissures band, demarcate sampled point, and confirm sampling quantity；
Step 2: positioning plate (8) component of ground high efficiency sampling apparatus being removed from mounting platform (52), is mounted on pedestal
On (12) two parallel cross bars (121) of bracket, extraction is hidden in mounting platform (52) far from perpendicular and rectangular slider box (51)
Hand steered handle (7), ground high efficiency sampling apparatus is lifted and is erected on sampled point, and unclamps locking nut (57)；
Step 3: starting petrol engine (2) and pressure bottle (62), staff is by hand steered handle (7) by two groups of drill bit assemblies
It evenly conveys, carry out while sampling down；
Step 4: when drill bit assembly extends to the end, locking locking nut (57), close pressure bottle (62), close petrol engine
(2), locking nut (57) are opened, moves upward out drill bit assembly, takes out the sample of acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262873.4A CN109085014B (en) | 2018-10-27 | 2018-10-27 | High-efficiency rock soil sampling device and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262873.4A CN109085014B (en) | 2018-10-27 | 2018-10-27 | High-efficiency rock soil sampling device and sampling method |
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| CN109085014B CN109085014B (en) | 2021-02-23 |
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| CN109613199A (en) * | 2019-01-29 | 2019-04-12 | 佛山科学技术学院 | A kind of online water monitoring device |
| CN109612777A (en) * | 2019-01-29 | 2019-04-12 | 佛山科学技术学院 | A kind of water quality sampling device |
| CN110333099A (en) * | 2019-07-17 | 2019-10-15 | 邓潇俊 | A kind of biological monitoring water sampling unit being convenient for carrying |
| CN112033738A (en) * | 2020-09-25 | 2020-12-04 | 重庆渝久环保产业有限公司 | Soil sampling device |
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