CN106053143A - Drilling pile slurry sampling device and sampling method - Google Patents
Drilling pile slurry sampling device and sampling method Download PDFInfo
- Publication number
- CN106053143A CN106053143A CN201610333681.2A CN201610333681A CN106053143A CN 106053143 A CN106053143 A CN 106053143A CN 201610333681 A CN201610333681 A CN 201610333681A CN 106053143 A CN106053143 A CN 106053143A
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- stay cord
- urceolus
- sampling
- overturning
- probe tube
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a drilling pile slurry sampling device, which comprises a descending stay rope, an overturning and hoisting stay rope, a door shape stop, and an overturning sleeve device. The overturning sleeve device comprises an inner cylinder and an outer cylinder. The inner cylinder is inserted into the outer cylinder. The lower end of the door shape stop is fixedly connected to two sides of the upper end of the outer cylinder. A sampling tube extends downwards from the center of the bottom of the outer cylinder. The lower end of the descending stay rope is tied to an upper lifting lug arranged on the middle of the upper end of the door shape stop. The lower part of the overturning and lifting stay rope is divided into two parts, which are respectively tied to two lateral lifting lugs arranged on two sides of the lower end of the outer cylinder. The sampling method comprises the following steps: (1) inserting the sampling tube into a pile hole, wherein the opening of the sampling tube is downward; (2) overturning a drilling pile slurry sampling device in 180 degrees to carry out sampling; (3) taking out the sampling tube from the pile hole, wherein the opening of the sampling tube is upward. The provided drilling pile slurry sampling device has the advantages of simple structure, user-friendliness, and low cost. According to the provided method, the drilling pile slurry sampling device is overturned in 180 degrees so as to taken a slurry sample from the current location, the sampling is convenient, and the accuracy of slurry sample detection can be guaranteed.
Description
Technical field
The present invention relates to mud device in a kind of drilled pile pore-forming or ground-connecting-wall grooving, further relate to this mud sampler
Sampling method, belong to ground foundation engineering technical field.
Background technology
According to the regulation about construction standards, in drilled pile pore-forming (ground-connecting-wall grooving), it is necessary in detection boring in time
The bottom of mud layer, middle part and the top mud density at totally three positions, viscosity and silt content, use special slurry sampler
Take out the mud sample at aforementioned three positions.Existing slurry sampler typically uses that top bung is turnover drags for inder pot generation
With, the utility model patent of CN 202730805 discloses a kind of stake holes mud device, including the staving being made up of steel pipe, by steel plate
The bung made and drum head；Bung is welded on above staving by hinge, is respectively welded and picks up the ears before and after staving on bucket wall,
There is lifting rope in middle system of front and back picking up the ears, at the hinge of bung and there is stay cord in bucket cover port perforate system, the barrel body wall below bung mouth
On be welded with and pick up the ears, between bung mouth and picking up the ears below, be set with rubber band.During use, place downwards stake holes mud device,
After stake holes mud device is put into corresponding absolute altitude, fixing lifting rope, upwards lift stay cord, make bung open, mud flows in staving, one point
Putting down stay cord after clock, bung covers staving and closes stake holes mud device, pulls lifting rope to obtain needing inspection by stake holes mud device pull-out stake holes
The mud surveyed.The structure of this stake holes mud device, with to drag for inder pot similar, all has bung able to turn on or off, can be by regulation lifting rope
Length, take out the mud sample of the corresponding degree of depth.But, in mud, control the keying of bung unreliable, mud by stay cord
Foreign material in slurry affect the closedown of bung and put in place.Especially during extracting the mud sample of bottom of mud layer, due to bung
It is not closed completely, stake holes mud device lifting process is mixed into the mud of other degree of depth, affects the representativeness of mud sample, and then lead
Cause to affect the testing result of mud sample.It addition, bung easily damages after life-time service, affect the sampling operation of mud sample.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, easy to use and reliable, the drilled pile slurry sampler of low cost
And sampling method.
The present invention is achieved by the following technical programs:
A kind of drilled pile slurry sampler, including declining stay cord, overturning and hoisting stay cord, door shape position-limited rack and inversion boot cartridge,
Described inversion boot cartridge includes inner core and the urceolus that seamless steel pipe or steel plate roll, and inner core injects in urceolus, and inner core and outer
Cylinder opening is relative；Door shape position-limited rack lower end is fixing with both sides, urceolus upper end respectively to be connected, and urceolus Tong Di center downwardly extends out and takes
Sample pipe, sealing ring is arranged between inner core cylindrical and outer tube inner wall；Decline stay cord lower end and hitch a shape position-limited rack upper center
Upper hanger, overturning and hoisting stay cord bottom is divided into two-way and hitches the side hanger of both sides, urceolus lower end respectively.
The purpose of the present invention can also be realized further by techniques below measure.
2, aforesaid drilled pile slurry sampler, internal diameter d=8mm～12mm of wherein said probe tube, the internal diameter of probe tube
The ratio of d and urceolus internal diameter D: d/D=0.1～0.15.When probe tube port overturns upwards, outside probe tube port to upper hanger
Distance L=200mm～210mm.
Aforesaid drilled pile slurry sampler, wherein said sealing ring is rubber seal ring, and described rubber seal ring is embedded in
In the annular groove of inner core opening.Gap delta=1.0mm～1.5mm between inner core cylindrical and outer tube inner wall.
The sampling method of a kind of drilled pile slurry sampler, comprises the following steps:
1) probe tube port enters in stake holes down
By the probe tube port of urceolus one end down, decline stay cord and haul a shape position-limited rack, drive urceolus and inner core slowly to decline
Enter in stake holes, until probe tube port declines the depth of mud arriving required sampling；During declining, the opening of inner core
All the time being resisted against at the bottom of the cylinder of urceolus, overturning and hoisting stay cord remains at relaxed state；
2) inside and outside cylinder overturns 180 ° of samplings together with door shape position-limited rack
Unclamping decline stay cord, simultaneously tension overturning and hoisting stay cord top, inside and outside cylinder overturns 180 °, outward together with door shape position-limited rack
The probe tube port of cylinder one end is positioned in mud upward, and inner core falls because of deadweight to being resisted against inside a shape position-limited rack cross bar
On, the cavity volume between inside and outside cylinder increases suddenly and forms negative pressure, and under the effect of negative pressure, mud enters from probe tube port
Enter in the cavity between inside and outside cylinder；
3) probe tube port climbs away stake holes upward
Pull on overturning and hoisting stay cord, drive inside and outside cylinder and door shape position-limited rack slowly to rise until inside and outside cylinder and door shape are spacing
Frame departs from stake holes mouth and completes mud sampling；During overturning and hoisting stay cord rises, decline stay cord and continue to keep relaxed state.
The drilled pile slurry sampler simple in construction of the present invention, easy to use, low cost, drilled pile slurry sampler uses
Inner core injects the structure in urceolus, and the cavity between inside and outside cylinder is sealed by rubber seal ring, and urceolus Tong Di center is to downward
Stretching out probe tube, such structure ensure that the reliability of sampling.The sampling method of the present invention utilizes and declines stay cord and overturn
The one of haul line is put one and is drawn so that drilled pile slurry sampler overturn 180 °, the cavity volume between inside and outside cylinder increase suddenly and
Forming negative pressure, so that the mud sample of probe tube suction position, sampling is convenient, it is ensured that the standard of mud sample detection
Really rate.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below,
These embodiments, are only used as example referring to the drawings and are given.
Accompanying drawing explanation
Fig. 1 is the structural representation of the drilled pile slurry sampler of the present invention, now drilled pile slurry sampler under
Fall enters in boring；
Fig. 2 is that the drilled pile slurry sampler of the present invention overturns 180 ° of schematic diagrams completing sampling.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the drilled pile slurry sampler of the present invention includes declining stay cord 1, overturning and hoisting stay cord 2, door
Shape position-limited rack 3 and inversion boot cartridge 4, inversion boot cartridge 4 includes inner core 41 and the urceolus 42 that seamless steel pipe or steel plate roll,
Inner core 41 injects in urceolus 42, and both openings are relative.Door shape position-limited rack 3 is welding structural element, and it is by the straight-bar 31 of both sides
Being welded with cross bar 32, straight-bar 31 lower end of its both sides is welded and fixed, at the bottom of the cylinder of urceolus 42 with both sides, urceolus 42 upper end respectively
Center downwardly extends out probe tube 421, and rubber seal ring 5 is arranged between inner core 41 cylindrical and urceolus 42 inwall, and is inlaid in
In the annular groove 411 of inner core 41 opening, rubber seal ring 5 makes the cavity between inside and outside cylinder be hedged off from the outer world.
Gap delta=1.5mm～2.0mm between inner core 41 cylindrical and urceolus 42 inwall, the present embodiment is 2.0mm, it is simple to interior
Cylinder 41 injects in urceolus 42.Internal diameter d=10mm～20mm of probe tube 421, the internal diameter d of probe tube 421 and urceolus 42 internal diameter D it
Ratio: d/D=0.125～0.25.When probe tube 421 port overturns upwards, outside probe tube 421 port to upper hanger 33 away from
From L=200mm～210mm so that drilled pile slurry sampler can overturn 180 ° in the boring of diameter 800mm, and makes probe tube
421 ports extract mud sample upward.Gap delta=1.0mm～1.5mm between inner core cylindrical and outer tube inner wall, it is simple to inner core and
Relative movement between urceolus.
As it is shown in figure 1, decline stay cord 1 lower end to hitch the upper hanger 33 in the middle part of a cross bar of shape position-limited rack 3 32, overturning and hoisting
Stay cord 2 bottom is divided into two-way and hitches the side hanger 422 of both sides, urceolus 42 lower end respectively.
The sampling method of a kind of drilled pile slurry sampler, comprises the following steps:
1) probe tube 421 port enters in stake holes down
By probe tube 421 port of urceolus 42 one end down, decline stay cord 1 and haul a shape position-limited rack 3, drive urceolus 42 and inner core
41 lower in boring slowly, until probe tube 421 port declines the depth of mud arriving required sampling.In the process of decline
In, the opening of inner core 41 is resisted against at the bottom of the cylinder of urceolus 42 all the time, and overturning and hoisting stay cord 2 remains at relaxed state.
2) inside and outside cylinder overturns 180 ° of samplings together with door shape position-limited rack 3
Unclamping decline stay cord 1, simultaneously tension overturning and hoisting stay cord 2 top, inside and outside cylinder overturns 180 ° together with door shape position-limited rack 3,
Probe tube 421 port of urceolus 42 one end injects in mud upward, and inner core 41 falls to being resisted against a shape position-limited rack 3 because of deadweight
Cross bar 32 inside on, cavity 43 volume between inside and outside cylinder increases suddenly and forms negative pressure, under the effect of negative pressure, mud
From the cavity that probe tube 421 port enters between inside and outside cylinder.
3) probe tube 421 port climbs away stake holes upward
Pull on overturning and hoisting stay cord 2, drive inside and outside cylinder and door shape position-limited rack 3 slowly to rise until inside and outside cylinder and door shape
Position-limited rack 3 departs from stake holes mouth and completes mud sampling；During overturning and hoisting stay cord 2 rises, decline stay cord 1 and continue to keep pine
Relaxation state.
In addition to the implementation, the present invention can also have other embodiments, all employing equivalents or equivalent transformation shape
The technical scheme become, all falls within the protection domain of application claims.
Claims (6)
1. a drilled pile slurry sampler, it is characterised in that include decline stay cord, overturning and hoisting stay cord, door shape position-limited rack and
Inversion boot cartridge, described inversion boot cartridge includes inner core and the urceolus that seamless steel pipe or steel plate roll, and inner core injects urceolus
In, and inner core is relative with the opening direction of urceolus；Door shape position-limited rack lower end is fixing with both sides, urceolus upper end respectively to be connected, urceolus cylinder
Center, the end downwardly extends out probe tube, and sealing ring is arranged between inner core cylindrical and outer tube inner wall；Decline stay cord lower end and hitch door
The upper hanger of shape position-limited rack upper center, overturning and hoisting stay cord bottom is divided into two-way and hitches the side of both sides, urceolus lower end respectively and hang
Ear.
2. drilled pile slurry sampler as claimed in claim 1, it is characterised in that the internal diameter d=8mm of described probe tube～
The ratio of 12mm, the internal diameter d of probe tube and urceolus internal diameter D: d/D=0.1～0.15.
3. drilled pile slurry sampler as claimed in claim 1, it is characterised in that when probe tube port overturns upwards, from taking
Sample pipe port is to distance L=200mm outside upper hanger～210mm.
4. drilled pile slurry sampler as claimed in claim 1, it is characterised in that described sealing ring is rubber seal ring, institute
State in the annular groove that rubber seal ring is inlaid in inner core opening.
5. drilled pile slurry sampler as claimed in claim 1, it is characterised in that between inner core cylindrical and outer tube inner wall
Gap δ=1.0mm～1.5mm.
6. the sampling method of a drilled pile slurry sampler as claimed in claim 1, it is characterised in that include following step
Rapid:
1) probe tube port enters in stake holes down
By the probe tube port of urceolus one end down, decline stay cord and haul a shape position-limited rack, drive urceolus and inner core slowly to decline
Enter in stake holes, until probe tube port declines the depth of mud arriving required sampling；During declining, the opening of inner core
All the time being resisted against at the bottom of the cylinder of urceolus, overturning and hoisting stay cord remains at relaxed state；
2) inside and outside cylinder overturns 180 ° of samplings together with door shape position-limited rack
Unclamping decline stay cord, simultaneously tension overturning and hoisting stay cord top, inside and outside cylinder overturns 180 °, outward together with door shape position-limited rack
The probe tube port of cylinder one end is positioned in mud upward, and inner core falls because of deadweight to being resisted against inside a shape position-limited rack cross bar
On, the cavity volume between inside and outside cylinder increases suddenly and forms negative pressure, and under the effect of negative pressure, mud enters from probe tube port
Enter in the cavity between inside and outside cylinder；
3) probe tube port climbs away stake holes upward
Pull on overturning and hoisting stay cord, drive inside and outside cylinder and door shape position-limited rack slowly to rise until inside and outside cylinder and door shape are spacing
Frame departs from stake holes mouth and completes mud sampling；During overturning and hoisting stay cord rises, decline stay cord and continue to keep relaxed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333681.2A CN106053143B (en) | 2016-05-19 | 2016-05-19 | Drilled pile slurry sampler and sampling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610333681.2A CN106053143B (en) | 2016-05-19 | 2016-05-19 | Drilled pile slurry sampler and sampling method |
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| Publication Number | Publication Date |
|---|---|
| CN106053143A true CN106053143A (en) | 2016-10-26 |
| CN106053143B CN106053143B (en) | 2019-04-19 |
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ID=57177103
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| CN201610333681.2A Active CN106053143B (en) | 2016-05-19 | 2016-05-19 | Drilled pile slurry sampler and sampling method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044656A (en) * | 2019-04-01 | 2019-07-23 | 东通岩土科技股份有限公司 | Deep cement soil slurries sampler and sampling method |
| CN110146333A (en) * | 2019-05-14 | 2019-08-20 | 舟山市宏基工业产品设计研究所 | A kind of device for fixed point sampling |
| CN110426239A (en) * | 2019-09-03 | 2019-11-08 | 广东省珠海工程勘察院 | A kind of drilled pile slurry sampler and sampling method |
| CN110530675A (en) * | 2019-09-18 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of telescopic Large Oil Tank basic sediment in-situ sampling device and method |
| CN110793810A (en) * | 2019-10-22 | 2020-02-14 | 巢湖宜安云海科技有限公司 | Convenient type aluminium, magnesium alloy fuse-element online sampling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110044656A (en) * | 2019-04-01 | 2019-07-23 | 东通岩土科技股份有限公司 | Deep cement soil slurries sampler and sampling method |
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| CN110426239A (en) * | 2019-09-03 | 2019-11-08 | 广东省珠海工程勘察院 | A kind of drilled pile slurry sampler and sampling method |
| CN110530675A (en) * | 2019-09-18 | 2019-12-03 | 中国石油化工股份有限公司 | A kind of telescopic Large Oil Tank basic sediment in-situ sampling device and method |
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| CN110793810A (en) * | 2019-10-22 | 2020-02-14 | 巢湖宜安云海科技有限公司 | Convenient type aluminium, magnesium alloy fuse-element online sampling device |
| CN110793810B (en) * | 2019-10-22 | 2022-05-10 | 巢湖宜安云海科技有限公司 | Convenient type aluminium, magnesium alloy fuse-element online sampling device |
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| CN106053143B (en) | 2019-04-19 |
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