CN105928740A - Undisturbed soil sampler and sampling method - Google Patents
Undisturbed soil sampler and sampling method Download PDFInfo
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- CN105928740A CN105928740A CN201610505355.5A CN201610505355A CN105928740A CN 105928740 A CN105928740 A CN 105928740A CN 201610505355 A CN201610505355 A CN 201610505355A CN 105928740 A CN105928740 A CN 105928740A
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- cutter
- filling device
- drilling rod
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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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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to an undisturbed soil sampler and a sampling method. The undisturbed soil sampler comprises a drill bit, wherein the drill bit is connected with one end of a drill rod, and the other end of the drill rod is connected with a power box for driving the drill rod to rotate; the drill bit comprises a soil container connected with the drill rod, and a tool bit arranged at the end part of the soil container and used for cutting soil; the side wall of the soil container is provided with a soil cutter in an embedding manner, and the edge direction of the soil cutter is perpendicular to the axis of the soil container; and the soil cutter is connected with a mover driving the soil cutter to rotate and enabling the tool bit at the front end of the soil cutter to transversely cut into the soil in the soil container. The drill rod is driven by the power box to rotate, and the drill rod can drive the tool bit to rotate so as to cut the soil; by virtue of the rotation of the drill bit, the soil at the center enters the soil container, the soil after the drilling can be completely taken out by virtue of the soil container, the situation that the drill rod cannot be unplugged is avoided, a hole position is prevented from being changed in the drilling process, and the drilling efficiency and quality can be improved. By adopting the undisturbed soil sampler and the sampling method, an undisturbed soil sample can be obtained in the case of little disturbance.
Description
[technical field]
The invention belongs to soil sampler field, be specifically related to a kind of undisturbed soil soil sampler and sampling method.
[background technology]
In ground foundation engineering, subgrade engineering and Geotechnical Engineering, owing to the work of early stage is not coordinated so that original
Certain depth does not has near roadbed or original ground embedding good required instrument, causes the monitoring to the later stage not play the biggest
Effect；Or on the basis of original, obtain more field data, need one group of monitoring instrument of many layings on certain section, must
Instrument must could be contained in predetermined position by boring, therefore hole and be just particularly important.But due to the restriction in place, and
In the case of considering economy, selecting facility and the performance of boring, the advantage of portable soil body borer will be apparent.At present
Drilling machine conventional in engineering is machine dimensions drill and Luoyang Spade, but both drilling machines have the limitation of oneself, many in complexity
The job site become, it tends not to well complete bore operation.
Being limited in that of machine dimensions drill requires height to construction site, needs smooth broad place could launch bore operation, for
In the case of limited space, machine dimensions drill cannot use, and requires higher to the basic quality of personnel, and expense produced by the later stage is relatively
Greatly.
Being limited in that of Luoyang Spade: (1) it is, in principle, that Luoyang Spade draws the process that hole is its front end continuous impact grinding soil body,
During its major part energy is all wasted in the impact soil body, therefore compare waste of manpower, and draw dig during need many people to coordinate
Can complete.(2) Luoyang Spade draw dig during due to Gravitative Loads shovel body act on downwards, cause hole to extend downwards, therefore exist
Drawing and dig to difficulty of slagging tap time deeper, it is also possible in the case of slagging tap not in time, soil slag is deposited in Luoyang Spade rear end, causes Luoyang
Shovel is stuck in hole.(3) learning from on-the-spot actual borehole, water content of soil is also required by Luoyang Spade soil digging, if the soil body contains
The water yield is relatively big, and when constantly impacting the soil body, owing to the soil body itself is softer, seem toward undershoot is very deep every time, but reality due under
The impact of matric suction between portion's soil body, causes the soil body cannot draw out at all；If water content of soil is less so that extraneous people applies
Power be not enough to the broken bottom soil body, affect rate of penetration and hole quality；When additionally carrying out boring extracting soil with Luoyang Spade, due to not
Disconnected impact, the soil body of desired depth will be subject to disturbance significantly so that the physical and mechanical property of undisturbed soil reduces.
So, current Geotechnical Engineering field lack a kind of economical adaptation, easy to carry, be easily installed and personnel's basic quality wanted
Seek the highest soil body borer.
[summary of the invention]
It is an object of the invention to overcome problems of the prior art, it is provided that a kind of undisturbed soil soil sampler and sampling method, it is simple to
Carry, and undisturbed soil soil sample can be obtained under relatively microvariations.
For reaching above-mentioned purpose, soil sampler of the present invention adopts the following technical scheme that:
Including drill bit, one end of drill bit jointed rod, the other end of drilling rod is connected to the headstock driving drilling rod to rotate；Wherein,
Drill bit includes the soil filling device being connected with drilling rod, and is arranged on soil filling device end for cutting the cutter head of the soil body；On the sidewall of soil filling device
Being embedded with and cut soil cutter, the edge of a knife direction cutting soil cutter is perpendicular to the axis of soil filling device；Cut soil cutter to be connected to drive it to rotate, make to cut soil
What the cutter head of cutter front end can be cut transversely into the soil body in soil filling device moves device.
Further, drilling rod includes some joint drilling rod units, and drilling rod unit is sequentially connected by connecting rod；Often save the one of drilling rod unit
End is respectively provided with pin hole and riveting bar, and the other end is provided with and rivets the riveting groove that bar matches；Often joint drilling rod unit has riveting groove
One end of the most fixedly sleeved connecting rod in one end, the other end of connecting rod arranges connecting hole；When drilling rod unit is connected, often save brill
Bar unit has one end of pin hole to be also socketed connecting rod, and the connecting hole in pin hole and connecting rod can be connected to form through hole, and this leads to
Pin is installed in hole.
Further, soil filling device includes the base plate being fixedly linked with drilling rod, and base plate is fixing connects the first side wall, the first side wall and second
Side walls hinged, base plate, the first side wall and the second sidewall form the cylinder-like structure of one end open, and cutter head is arranged on the opening of soil filling device
End.
Further, the first side wall and the relative side of the second sidewall are connected by hinge, and opposite side is provided with the docking port matched；
The first side wall and the second sidewall are installed in having on the side of docking port the pin hole being provided with connecting and run through docking port, pin hole
There is the bolt rod for fixing the second sidewall.
Further, moving device and include and cut the connecting rod that soil cutter rear end is connected, connecting rod is parallel to soil filling device axis and through soil filling device side
Wall with for driving its one end moving bar rotated to be fixedly linked；Move the other end of bar and the bullet being arranged on soil filling device bottom outside
Spring is connected；It is provided with bottom soil filling device for limiting the draw-in groove moving bar movement locus；It is provided with on soil filling device and moves bar for locking
Locking device.
Further, being provided with circular ring demoulding auxiliary device in soil filling device, circular ring demoulding auxiliary device is included in the chassis arranged bottom soil filling device,
Fixing one end connecting bow on chassis, the middle part of bow connects the first montant, and the other end of bow connects the second montant,
Longer than the second montant and the first montant the upper end of first montant is connected to the bottom of soil filling device.
Further, headstock includes gear-box and the gear train being arranged in gear-box；Gear train includes the first cone engaged successively
Gear, the second bevel gear and the first roller gear, coaxially connected second roller gear of the first roller gear, the second roller gear and
Three roller gear engagements；The central shaft of the first bevel gear and the second bevel gear all passes gear-box, and can be connected with joystick；The
One roller gear and the 3rd roller gear are respectively fixedly connected with drilling rod sleeve, and drilling rod can be fixedly linked with drilling rod sleeve.
Further, headstock is provided with can several rotate guide post clips, each guide post clip is all socketed one
Root is for the guide post vertically fixed on the ground；Guide post can slidably reciprocate along guide post clip axis direction.
Further, cutter head front end includes three equally distributed spiral band teeth cutter blades, and each spiral band teeth cutter blade is single-blade
And cutting edge is outwardly.
Sampling method of the present invention adopts the following technical scheme that:
Comprise the following steps:
The most just cutter head alignment drilling hole position of drill bit；
Then headstock is applied the thrust along boring direction, and drives drilling rod and drill bit to rotate by headstock, rotated by cutter head
Boring；
Finally, after filling with soil sample in soil filling device, cut soil cutter rotation by moving device drive, until the cutter head cutting soil cutter is cut transversely into
In soil sample, along with the rotation of drill bit, cut soil cutter and soil sample is cut off, complete undisturbed soil sampling.
Compared with prior art, the present invention has a following useful technique effect:
The present invention drives drilling rod to rotate by arranging headstock, and drilling rod connects drill bit, and drill bit includes soil filling device and for broken boring position
Put the cutter head of the soil body, therefore drilling rod can the band dynamic cutter head rotary cutting soil body, simple in construction, it is simple to carry；By the rotation of drill bit,
The soil body at center will enter in soil filling device, and after soil filling device makes boring, soil bits can the most all take out, and not have soil bits after drill bit
Piling up and cannot extract the situation of drilling rod, collection crushes, cuts, is stored in one, it is ensured that position, hole does not changes in drilling process,
Can carry out respectively crushing and cutting to the soil body outside hole when creeping into, and soil bits can be stored temporarily, improve efficiency and the quality of boring.
The present invention cuts soil cutter by setting, can cut the soil body, moreover it is possible to the soil body reduced in soil filling device drops；Cut soil cutter simultaneously and be inlaid in Sheng soil
On device sidewall, do not affect soil body sampling, by it, soil body is cut at the end of sampling, it is simple to take out and can subtract well
The disturbance of squad's undisturbed soil soil sample.The present invention can reach 10m by manually fetching earth deep in the case of not using large type drill
In the range of degree, under less disturbance, undisturbed soil soil sample is holed, obtain the undisturbed soil soil sample in shallow-layer soil layer, and need manpower
Less, simple installation, simple to operate, economical and practical.
Further, the present invention is by arranging some joint drilling rod units so that its adjustable length, conveniently drills through the hole of different depth,
Use can be taken apart after terminating, and is beneficial to reduce storage area.
Further, soil filling device of the present invention can be opened, it is simple to the later stage is unearthed.
Further, the present invention is by arranging circular ring demoulding auxiliary device, it is simple to taking out soil sample, preferably protection undisturbed soil soil sample, reduces
Disturbance.
Further, in the present invention, the central shaft of the first bevel gear and the second bevel gear all passes gear-box, and can be with joystick phase
Even, adaptation level boring and power input during vertical drilling respectively；By the gear difference connected, form different gear ratios,
And then export different size of moment of torsion to drilling rod sleeve, it is beneficial to adapt to more working condition.
Further, the present invention is by arranging guide post, and fixing headstock and boring position, and provides guiding to make for boring extracting soil
With.
In sampling method of the present invention, first boring makes soil sample progress into soil filling device, coordinates cut-out soil sample by cutting soil cutter and drill bit, complete
Become sampling work, simple to operate, little to soil sample disturbance, it is beneficial to carry out undisturbed soil analysis.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the present invention；
Fig. 2 (a) is drilling rod connection diagram of the present invention；Fig. 2 (b) is drilling rod explosive view；
Fig. 3 (a) be drill bit of the present invention look up structural representation；Fig. 3 (b) is the plan structure schematic diagram of drill bit；
Fig. 4 (a) is that the present invention cuts soil cutter and moves the structural representation of device；Fig. 4 (b) is the top view moving device；Fig. 4 (c)
For cutting the structural representation of soil cutter；Fig. 4 (d) is the structural representation of circular ring demoulding auxiliary device；
Fig. 5 is the external structure schematic diagram of headstock of the present invention；
Fig. 6 is headstock internal structure structural map of the present invention；
Fig. 7 is the top view of headstock internal structure of the present invention；
Fig. 8 is schematic diagram during level of the present invention sampling.
Wherein: 1-headstock, 2-joystick, 3-guide post, 4-drilling rod, 5-drill bit, 6-soil filling device, 7 cutter heads, 8-cuts soil cutter,
9-pin hole, 10-rivets mouth, 11-pin, 12-connecting rod, 13-connecting hole, 14-bolt rod, and 15-moves bar, 16-gear cap,
17-guide post clip, 18-drilling rod sleeve, 19-the second bevel gear, 20-the first roller gear, 21-the second roller gear, 22-
3rd roller gear, 23-hinge, 24-docking port, 25-pin hole, 26-chassis, 27-bow, 28-the first montant, 29-
Two montants.
[detailed description of the invention]
Below in conjunction with the accompanying drawings the present invention is described in further details.
With in borer actual working state in the present invention, drill bit 5 place is front end, and drilling rod 4 is rear end, only for making description more
Clear, and not limitation of the present invention.
Seeing Fig. 1, the present invention includes drill bit 5, the front end of drill bit 5 jointed rod 4, and the rear end of drilling rod 4 is connected to drive and bores
The headstock 1 that bar 4 rotates.
Seeing Fig. 2 (a) and Fig. 2 (b), drilling rod 4 includes the drilling rod list that some joints are sequentially connected by telescopic connecting rod 12
Unit so that its adjustable length, conveniently drills through the hole of different depth；The one end often saving drilling rod unit is respectively provided with pin hole 9 and riveting bar
10, the other end is provided with and rivets the riveting groove that bar 10 matches, by riveting bar 10 and riveting slot fit, by drilling rod unit
Riveting forms drilling rod 4；Often joint drilling rod unit has one end of the most fixedly sleeved connecting rod in one end 12 of riveting groove, connecting rod 12 another
Connecting hole 13 is set on one end；When drilling rod unit has connected, often joint drilling rod unit has one end of pin hole 9 to be also socketed connection
Connecting hole 13 on bar 12, and pin hole 9 and connecting rod 12 can be connected to form through hole, is provided with pin 11 in this through hole.
Seeing Fig. 3 (a) and Fig. 3 (b), drill bit 5 includes the soil filling device 6 being connected with drilling rod 4, and is circumferentially positioned at soil filling device
6 leading sections are for cutting the cutter head 7 of the soil body.
Cutter head 7 bends up shape for centre, containing three equally distributed spiral band teeth cutter blades, uniform welding in soil filling device 6 leading section,
Spiral band teeth cutter blade height is 25mm, tooth depth 15mm；Each spiral band teeth cutter blade is single-blade and cutting edge outwardly, in case
The original state soil body is extruded when creeping into；Spiral band teeth cutter blade, under the effect that drill bit 5 rotates, fully plays broken drill bit 5 periphery of cutting
The effect of the soil body.
The sidewall of soil filling device 6 can be opened along axisymmetrical position, it is simple to the later stage is unearthed；Soil filling device 6 includes fixing phase with drilling rod 4
Base plate even, the fixing the first side wall that connects of base plate, the first side wall and second side walls hinged, base plate, the first side wall and the second sidewall shape
Becoming the cylinder-like structure of one end open, cutter head 7 is arranged on the opening of soil filling device 6.The first side wall and the relative side of the second sidewall
Being connected by hinge 23, opposite side is provided with the docking port 24 matched, docking port 24 by the groove arranged on the first side wall and
The projection arranged on second sidewall is formed, and this projection can snap in groove；The first side wall and the second sidewall have the one of docking port 24
It is provided with connection on side and runs through the pin hole 25 of docking port 24, being provided with in pin hole 25 for fixing the second sidewall
Bolt rod 14.Soil filling device 6 make boring after soil bits can the most all take out, do not have soil bits after drill bit 5 pile up and cannot
Extracting the situation of drilling rod 4, collection positions, crushes, cuts, is stored in one, it is ensured that position, hole does not changes in drilling process,
Can carry out respectively crushing and cutting to the soil body outside hole when creeping into, and soil bits can be stored temporarily, improve efficiency and the quality of boring.
See Fig. 4 (a) to Fig. 4 (c), the sidewall of soil filling device 6 is embedded with cut soil cutter 8, cut soil cutter 8 width less than or etc.
Sidewall thickness in soil filling device 6, it is ensured that do not affect the effect that fetches earth；The edge of a knife direction cutting soil cutter 8 is perpendicular to the axis of soil filling device 6；
The front end cutting soil cutter 8 is cutter head, and rear end is connected with moving device by connecting rod, moves device at soil filling device 6 plate outer side, by moving
Device controls to cut the rotation of soil cutter 8, enables the cutter head cutting soil cutter 8 front end to be cut transversely into the soil body in soil filling device 6.
Move device include and cut the connecting rod that is connected of soil cutter 8 rear end, connecting rod be parallel to soil filling device 6 axis and through soil filling device 6 sidewall and
For driving its one end moving bar 15 rotated to be fixedly linked；Move the other end of bar 15 and be arranged on soil filling device 6 bottom outside
Spring be connected；It is provided with bottom soil filling device 6 for limiting the draw-in groove moving bar 15 movement locus；It is provided with use on soil filling device 6
Move the locking device of bar 15 in locking, locking device can be buckle or latch, as long as finger can be locked in by moving bar 15
Location is put.
Move the connecting rod in device and may be mounted at the first side wall and the joint of the second sidewall installation hinge 23, as the peace of hinge 23
Dress axle.
After drill bit enters into desired depth, move bar 15 by pulling, move bar 15 drivening rod and rotate, arrive specific bit
Postponing, will move bar 15 by locking device and lock, now connecting rod is former in driving the cutter head cutting soil cutter 8 to be cut transversely into soil filling device 6
In shape soil sample, under the constantly rotation of outside drill bit 5, cut soil cutter 8 and soil sample cut off, and soil sample is loaded in soil filling device 6,
Cut within being positioned at the center range with connecting rod as axle after soil cutter 8 cuts off the soil body simultaneously, can prevent soil sample from dropping when unearthed.Cutting
After soil cutter 8 has cut, locking device can be opened, move bar 15 and reset under the action of the spring, thus cut soil cutter 8 and reset.
When holing shallower, can pull and move bar 15 by direct hands, when boring is deeper, can be pulled by instrument such as stock
Move bar 15, only need to drive and cut soil cutter 8 and have less displacement, it is possible in incision undisturbed soil sample.
Seeing Fig. 4 (d), be provided with circular ring demoulding auxiliary device in the soil filling device 6 of the present invention, circular ring demoulding auxiliary device is included in soil filling device 6
Arranging chassis 26 inside base plate, on chassis 26 fixing one end connecting bow 27, and the middle part of bow 27 connects the first montant
28, the other end of bow 27 connects the second montant 29, and the first montant 28 to the second montant 29 is long and the first montant 28 upper
End is connected on the base plate of soil filling device 6, forms space between this Stability Analysis of Structures, and the base plate of chassis 26 and soil filling device 6；Containing
When soil sample in earthenware 6 needs to take out, by hands being stretched into the space between chassis 26 and soil filling device 6, can easily take out soil
Sample, preferably protection undisturbed soil soil sample.
Seeing Fig. 5 to Fig. 7, headstock 1 includes gear train and connected gear-box and gear cap 16；Gear train is arranged on gear
Case is interior and includes the first bevel gear, the second bevel gear 19 and the first roller gear 20 engaged successively, and the first roller gear 20 is same
Axle connects the second roller gear 21, and the second roller gear 21 engages with the 3rd roller gear 22；First bevel gear and the second cone tooth
The central shaft of wheel 19 passes gear-box or gear cap 16 respectively, forms the joystick joint of both direction, is used for connecting joystick 2；
First roller gear 20 and the 3rd roller gear 22 are respectively fixedly connected with drilling rod sleeve 18, and drilling rod 4 can be solid with drilling rod sleeve 18
Fixed connected.Joystick 2 is for being converted into moment of torsion by the rotation of headstock 1 gear and passing to drilling rod 4.
First bevel gear and the second bevel gear 19 gear than for 1:1.Second roller gear 21 and the 3rd roller gear 22 it
Between gear than for 1:4, and then labour-saving purpose can be reached.
It is provided with some by guide post clip 11 on headstock 1 can rotate for guide post 3, guide post clip 11,
Guide post 3 can the most vertically be fixed on the ground, and when vertically sampling, guide post 3 is parallel with the drilling direction of drilling rod 4；
When level samples, guide post 3 is vertical with the drilling direction of drilling rod 4.Guide post 3 can be along guide post clip 11 axis side
To slidably reciprocating.
Operation principle that the present invention is main and process: during use, connect outside headstock 1 and drilling rod 4, be directed to bar 3
Lower end fixes on the ground；Drill bit 5 is directed at drilling hole position, and then a people applies thrust, as at vertical direction, can pass through on the scene
With the knitting bagged soil body or gravel, headstock 1 applied a downward external force around ground；One people applies moment of torsion, joystick 2
It is arranged on the central shaft of the first bevel gear, as shown in Figure 1；By the rotation of joystick 2, drive the pinion rotation in headstock 1
With moment of torsion, drilling rod 4, thrust and moment of torsion being passed to drill bit 5 to drilling rod 4, drill bit 5 is broken cutting under the effect of thrust and moment of torsion
The soil body.Connecting by connecting rod 12 between drilling rod 4, connecting rod 12 need to have certain shearing strength.Drill bit 5 is at the broken cutting soil body
During, the front end cutter head 7 of drill bit 5, carry out positioning and crushing the soil body.Cutter head 7 crushes the drill bit 5 periphery soil body, cuts soil cutter
8 pairs of soil bodys cut, and are loaded in soil filling device 6 by the soil bits at center by rotating of drill bit 5.In the range of cutter head 7 is to boring
The fully broken cutting of the soil body.When soil filling device 6 soil bits fill with after, by move device drive cut soil cutter 8 rotate, cut soil cutter 8 cutter head
It is cut transversely in undisturbed soil sample, under the constantly rotation of outside drill bit 5, cuts soil cutter 8 and soil sample is cut off, by root dismounting drilling rod 4
Drill bit 5 is taken out, locking device is opened, cut soil cutter 8 and reset；By circular ring demoulding auxiliary device, undisturbed soil in soil filling device 6 is taken out
After, extension drill rod 4 continues bore operation.Drilling rod 4 includes some joints, can constantly pass through drilling rod along with the increase of drilling depth
Riveting groove between unit and riveting bar 10 are attached, and then plug pin 11 spreading, until being drilled into desired depth, for side
Just spreading and raising rate of penetration, often joint drilling rod unit Design of length is 1m.
If level samples, then headstock 1 applying a horizontal force towards drilling direction, joystick 2 is arranged on the second cone tooth
On the central shaft of wheel 19, as shown in Figure 8, guide post 3 lower end fixes on the ground, and the present invention can guide as required
Cross bar is installed on bar 3, makes structure more stable.
Working space is required relatively low by the present invention, can conveniently use, can not only disturb less in the narrowest environment
Under Dong holing undisturbed soil soil sample, obtain the undisturbed soil of (within 10m) in shallow-layer soil layer, and need manpower less, two people are i.e.
Drilling operation can be completed, applied widely, it is adaptable to ground foundation engineering, subgrade engineering and Geotechnical Engineering etc. need to detect soil layer
The field of physico-mechanical properties, especially Active workings are limited and need the soil body boring relatively deep holes to hole, and simple in construction, behaviour
Make to facilitate, be easy to carry, economic and practical.
Headstock 1 of the present invention mainly provides power output.Its principle is by joystick 2 input power, then passes through gear-box
The interaction of internal gear is converted into the moment of torsion that drilling rod 4 rotates, and the drill bit 5 that rotarily drives of drilling rod 4 cuts the soil body.Wherein, power
There are two joystick joints, a horizontal direction joint, another vertical direction joint on case 1, are separately positioned on headstock 1
Front and side, its effect be respectively adaptation level boring and vertical drilling time power input.Two drilling rods are had on headstock 1
Sleeve 18, with jointed rod 4 and headstock 1, drilling rod 4 connects with pin 11 in inserting drilling rod sleeve 18, two drilling rod sleeves
18 can export, according to the difference of case internal gear ratio, the moment of torsion varied in size respectively.Drilling rod unit uses length 1m quarter butt, drilling rod list
Use between unit and rivet additional telescopic connecting rod 12, then connected by pin 11, use simple, convenient to operate, facilitate extension bar.
5 points of cutter heads 7 of drill bit and soil filling device 6, cutter head 7 effect is to drive drilling rod 4 to rotate by headstock 1, drilling rod 4 band dynamic cutter head 7,
It is drilled into predetermined depth selection；Soil filling device 6 uses before hinge tube structure, cylinder with blade, can load after being shredded by the soil body
In bucket, then the soil body is proposed outside hole, extract bolt rod 14, opening hinge 23 spoir out.The effect of guide post 3 is fixing power
Case 1 and boring location, and provide guide effect for boring extracting soil.
The present invention can reach in 10m depth bounds by manually fetching earth, and install in the case of not using large type drill
Easy, operate fairly simple, economical and practical, it is also possible to the cutting ring that fetches earth of built-in different-diameter inside soil sampler, the later stage is done room
Interior test is very helpful.
Claims (10)
1. a undisturbed soil soil sampler, it is characterised in that: include drill bit (5), one end of drill bit (5) jointed rod (4),
The other end of drilling rod (4) is connected to the headstock (1) driving drilling rod (4) to rotate；Wherein, drill bit (5) includes and drilling rod
(4) soil filling device (6) being connected, and it is arranged on soil filling device (6) end for cutting the cutter head (7) of the soil body；Soil filling device (6)
Sidewall on be embedded with and cut soil cutter (8), the edge of a knife direction cutting soil cutter (8) is perpendicular to the axis of soil filling device (6)；Cut soil cutter (8)
It is connected to drive it to rotate, enables to cut that the cutter head of soil cutter (8) front end is cut transversely into soil filling device (6) the interior soil body moves device.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: drilling rod (4) includes some joint drilling rod lists
Unit, drilling rod unit is sequentially connected by connecting rod (12)；The one end often saving drilling rod unit is respectively provided with pin hole (9) and riveting bar
(10), the other end is provided with and rivets the riveting groove that bar (10) matches；Often joint drilling rod unit has the one end riveting groove the most solid
Surely it is socketed one end of connecting rod (12), the other end of connecting rod (12) arranges connecting hole (13)；When drilling rod unit is connected,
Often joint drilling rod unit has one end of pin hole (9) to be also socketed connecting rod (12), and in pin hole (9) and connecting rod (12)
Connecting hole (13) can be connected to form through hole, is provided with pin (11) in this through hole.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: soil filling device (6) includes and drilling rod (4)
The base plate being fixedly linked, the fixing the first side wall that connects of base plate, the first side wall and second side walls hinged, base plate, the first side wall and second
Sidewall forms the cylinder-like structure of one end open, and cutter head (7) is arranged on the opening of soil filling device (6).
A kind of undisturbed soil soil sampler the most according to claim 3, it is characterised in that: the first side wall and the second sidewall are relative
Side is connected by hinge (23), and opposite side is provided with the docking port (24) matched；The first side wall and the second sidewall have docking
Install in being provided with connection on the side of mouth (24) and running through the pin hole (25) of docking port (24), pin hole (25)
There is the bolt rod (14) for fixing the second sidewall.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: move device include with cut soil cutter (8) after
The connecting rod that end is connected, connecting rod be parallel to soil filling device (6) axis and through soil filling device (6) sidewall be used for driving what it rotated to move
One end of bar (15) is fixedly linked；The other end moving bar (15) is connected with the spring being arranged on soil filling device (6) bottom outside；
Soil filling device (6) bottom is provided with for limiting the draw-in groove moving bar (15) movement locus；Soil filling device is provided with for locking on (6)
Surely the locking device of bar (15) is moved.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: soil filling device (6) is provided with the demoulding auxiliary
Device, circular ring demoulding auxiliary device is helped to be included in the chassis (26) that soil filling device (6) bottom is arranged, chassis (26) upper fixing connection arc
One end of bar (27), the middle part of bow (27) connects the first montant (28), and the other end of bow (27) connects second
Montant (29), longer than the second montant (29) and the first montant (28) the upper end of the first montant (28) is connected to soil filling device (6)
Bottom.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: headstock (1) includes gear-box and peace
The gear train being contained in gear-box；Gear train includes the first bevel gear, the second bevel gear (19) and the first Cylinder Gear engaged successively
Wheel (20), coaxially connected second roller gear of the first roller gear (20) (21), the second roller gear (21) and the 3rd cylinder
Gear (22) engages；The central shaft of the first bevel gear and the second bevel gear (19) all passes gear-box, and can be with joystick (2)
It is connected；First roller gear (20) and the 3rd roller gear (22) are respectively fixedly connected with drilling rod sleeve (18), drilling rod (4) energy
Enough it is fixedly linked with drilling rod sleeve (18).
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: headstock (1) if on be provided with can
Dry the guide post clip (11) rotated, each guide post clip (11) is all socketed one for vertically fixing on the ground
Guide post (3)；Guide post (3) can slidably reciprocate along guide post clip (11) axis direction.
A kind of undisturbed soil soil sampler the most according to claim 1, it is characterised in that: cutter head (7) front end includes three uniformly
The spiral band teeth cutter blade of distribution, each spiral band teeth cutter blade is single-blade and cutting edge outwardly.
10. utilize the undisturbed soil sampling method that the undisturbed soil soil sampler described in claim 1 is carried out, it is characterised in that: include following
Step:
The most just cutter head (7) the alignment drilling hole position of drill bit (5)；
Then headstock (1) is applied the thrust along boring direction, and drives drilling rod (4) and drill bit (5) by headstock (1)
Rotate, by cutter head (7) rotary drilling；
Finally, after filling with soil sample in soil filling device (6), cut soil cutter (8) rotation by moving device drive, until cutting soil cutter (8)
Cutter head be cut transversely in soil sample, along with the rotation of drill bit (5), cut soil cutter (8) by soil sample cut off, complete undisturbed soil sampling.
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| CN105928740B CN105928740B (en) | 2018-09-07 |
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| CN106441984A (en) * | 2016-09-26 | 2017-02-22 | 山东大学 | Electric soil sampler and method |
| CN107091086A (en) * | 2017-05-24 | 2017-08-25 | 中国水利水电科学研究院 | The electronic sampler of original-state soil and system |
| CN107132070A (en) * | 2017-05-24 | 2017-09-05 | 中国水利水电科学研究院 | Great burying original-state soil sampling device and system |
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| CN108120617A (en) * | 2017-12-18 | 2018-06-05 | 袁加衡 | A kind of cam-type sampler of contaminated soil |
| CN108692973A (en) * | 2018-05-29 | 2018-10-23 | 太原理工大学 | A kind of drilling TDR device and methods suitable for special undisturbed soil |
| CN108613903A (en) * | 2018-06-22 | 2018-10-02 | 西南交通大学 | A kind of sampling pipe detachable type loosely-packed fluid-structure analysis testing equipment |
| CN109269371A (en) * | 2018-12-05 | 2019-01-25 | 贵州大学 | A kind of handling implement and its application method of the blind big gun of flat hole |
| CN109466648A (en) * | 2018-12-29 | 2019-03-15 | 贵州大学 | A kind of detection vehicle for land control engineering |
| CN110644460A (en) * | 2019-11-01 | 2020-01-03 | 长安大学 | Multifunctional sampling soil breaking and pore forming device |
| CN111537261A (en) * | 2020-04-01 | 2020-08-14 | 安徽金联地矿科技有限公司 | Sampling equipment for soil sampling |
| CN111721574A (en) * | 2020-05-28 | 2020-09-29 | 北京城建中南土木工程集团有限公司 | Sampling device for rapidly detecting sediment thickness |
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| CN116793744A (en) * | 2023-07-11 | 2023-09-22 | 江苏中煤地质工程研究院有限公司 | Rock and soil exploration sampling device |
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