CN104390808B - Screw type soil sample pushing device and method - Google Patents
Screw type soil sample pushing device and method Download PDFInfo
- Publication number
- CN104390808B CN104390808B CN201410730964.1A CN201410730964A CN104390808B CN 104390808 B CN104390808 B CN 104390808B CN 201410730964 A CN201410730964 A CN 201410730964A CN 104390808 B CN104390808 B CN 104390808B
- Authority
- CN
- China
- Prior art keywords
- top cover
- sampler barrel
- plate
- soil sample
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a screw type soil sample pushing device and method. The screw type soil sample pushing device comprises a bottom plate, a middle plate, a top plate, a sampling cylinder and a top cover, wherein two sides of the bottom plate, the middle plate and the top plate are coaxially and fixedly connected by supporting columns; a sleeve is arranged on the upper part of the top cover; when a screw propulsion rod is rotated by a runner, the top cover is uniformly stressed, and an effect of guiding the top cover is achieved; a lug plate is arranged on the outer wall of the sampling cylinder, the sampling cylinder is conveniently mounted and centered by virtue of groove matching, and the sampling cylinder can be kept balanced in the soil sampling process; and a tray with a spring is arranged on the bottom plate, and phenomena that a soil sample deforms and is damaged due to sudden drop are avoided due to the supporting effect of the tray and the buffer effect of the spring. A non-slip structure is formed on the runner, the rotating runner is prevented from sliding, and the uniform force application is realized. According to the device and the method disclosed by the invention, the soil sampling efficiency is improved, and the soil sample quality is guaranteed.
Description
Technical field
The present invention relates to field of civil engineering, it belongs to a kind of soil test instrument, and more particularly to a kind of screw is bulldozed
Sampling device and soil-shifting quadrat method.
Background technology
One of main task of engineering geological drilling is that rock core or undisturbed sample are taken in rock-soil layer, is taking sample
During should keep the natural structure of sample, if the natural structure of sample is destroyed, be just referred to as " disturbance sample ".Disturbance sample
It is impermissible in engineering geologic investigation, separately there is used unless expressly stated, otherwise this disturbance sample cancels.The original of natural structure
Shape sample has core sample and soil sample.The natural structure of core sample is typically survivable, and soil sample is easy to be disturbed
It is dynamic.Therefore, the earth-working effect of soil-shifting sampling device is often directly connected to the quality of soil sample.
Existing drawing out soil equipment sampler barrel to it is middle when be although provided with a circle draw-in groove, however, with the increase of test number (TN),
The corresponding part draw-in groove of sampler barrel placement location be easily scattered soil particle covering, if test before do not clean comprehensively, sampler barrel
Centering should not be balanced, it is easily eccentric during soil sample pressurization stress, cause soil sample to be more easily damaged during fetching earth.In addition, when soil
Sample is pushed out after sampler barrel, and soil sample is easily fallen suddenly, causes soil sample lower surface imperfect.
The content of the invention
The technical problem to be solved is to provide one kind and is easy to sampler barrel centering, uniform stressed in sampling process,
The screw soil-shifting sampling device for preventing soil sample to be destroyed during fetching earth.
What the present invention was achieved through the following technical solutions：A kind of screw soil-shifting sampling device, including base plate, middle plate, top
Plate, sampler barrel, top cover, by the coaxially connected fixation of support column, the top board middle part is arranged for the base plate, middle plate, the both sides of top board
Have an internal thread hole, the middle plate middle part is provided with through hole, and through-hole diameter is equal with sampler barrel internal diameter, the top cover external diameter with it is described
Sampler barrel internal diameter is equal；It is characterized in that：Also include spiral promotion bar, runner, the ear being connected at the top of spiral promotion bar
Plate, draw-in groove, sleeve, spiral promotion bar and top board middle part internal thread hole threaded engagement through after top board with the spherical hinge in top cover middle part
Connect, the bottom outer wall of the sampler barrel is evenly arranged with multiple otic placodes, and middle plate is evenly arranged with multiple draw-in grooves, institute around its center
State the number of draw-in groove to be adapted with otic placode with position, each draw-in groove is by be fixedly connected on that parallel clearance is arranged on middle plate two
Block clamping plate folds to be formed, and the draw-in groove width is equal with otic placode thickness, and the sampler barrel passes through the otic placode up and down movably
It is fastened in the draw-in groove, the clamping plate inward flange pushes against sampler barrel, the top cover sets with the spiral promotion bar junction
The sleeve playing the guiding role that moves up and down to top cover is equipped with, the sleeve is vertical with top cover to be fixedly connected, and is movably wrapped up and down
The outside of spiral promotion bar is rolled in, the base plate middle part is connected with spring, and spring top is connected with pallet, the pallet diameter
More than the internal diameter of the sampler barrel, the spring arranges one or more；When a spring is arranged, external diameter of the spring etc.
In sampler barrel internal diameter；When many springs are arranged, many springs are distributed on tray bottom.
Used as preferred technical scheme, the two ends of the base plate are provided with connecting hole, and the connecting hole is easy to base plate with examination
Test platform bolt to fix；The material of the sampler barrel is steel, PVC or plastic-steel.
Used as preferred technical scheme, the otic placode is set to 3 or 4, and the height of the otic placode is 1-2cm, described
Height of the height of clamping plate more than or equal to otic placode.
As preferred technical scheme, shoe is provided with the runner, the shoe is rubber sleeve, silica gel
Set or concaveconvex structure.
During soil-shifting sample of the present invention, first with each draw-in groove of plate in hairbrush cleaning, then install in the bottom of spiral promotion bar
With sleeved top cover, and top cover is up-shifted to by close ceiling location by rotary top runner, then, will be equipped with soil sample
Each otic placode of sampler barrel be fastened on middle plate in corresponding draw-in groove, then by the lower top cover of runner rotation, when top cover is contacted soon
During soil sample, the position of top cover is finely adjusted to guarantee top cover level, after adjusting top cover position, slowly rotating wheel, until
Soil sample falls in the pallet with spring from sampler barrel, so as to realize the taking-up of soil sample.
Used as preferred technical scheme, the soil sample is undisturbed soil sample or remoulded sample.
The invention has the beneficial effects as follows：By setting up sleeve on top cover top, sleeve is wrapped in the outside of screw propulsion rod,
When ensure that runner rotates screw propulsion rod, top cover uniform stressed, and guide effect is played to top cover, it is ensured that soil sample was fetching earth
It is not destroyed in journey；Otic placode is set on sampling drum outer wall, and coordinates the installation and centering for facilitating sampler barrel by draw-in groove, can
Guarantee that sampler barrel keeps balance during fetching earth；The pallet with spring is set up in base plate, is connect by the support of pallet and spring
Buffering, prevent soil sample from dropping suddenly, cause specimen deformation to destroy.By arranging anti-skid structure on runner, prevent rotation from turning
Wheel skids, and is easy to uniform force.The present invention improves soil extracting efficiency and ensure that quality of soil sample.
Description of the drawings
Fig. 1 is the positive structure schematic of the present invention.
Fig. 2 is bush attaching structure enlarged drawing of the present invention.
Fig. 3 is sampler barrel bottom of the present invention enlarged drawing.
In figure：1st, runner；2nd, top board；3rd, middle plate；4th, base plate；5th, spiral promotion bar；6th, sleeve；7th, top cover；
8th, sampler barrel；9th, soil sample；10th, draw-in groove；11st, otic placode；12nd, pallet；13rd, spring；14th, clamping plate；15th, shoe；
16th, connecting hole.
Specific embodiment
As Figure 1-3, including base plate（4）, middle plate（3）, top board（2）, sampler barrel（8）, top cover（7）, the base plate
（4）, middle plate（3）, top board（2）Both sides by the coaxially connected fixation of support column, the top board（2）Middle part is provided with internal thread hole,
The middle plate（3）Middle part is provided with through hole, and through-hole diameter is equal with sampler barrel internal diameter, the top cover（7）External diameter and the sampling
Cylinder（8）Internal diameter is equal；Also include spiral promotion bar（5）, be connected to spiral promotion bar（5）The runner at top（1）, otic placode
（11）, draw-in groove（10）, sleeve（6）, spiral promotion bar（5）With top board（2）Middle part internal thread hole threaded engagement passes through top board（2）
Afterwards with top cover（7）Middle part globular hinge, the sampler barrel（8）Bottom outer wall be evenly arranged with multiple otic placodes（11）, middle plate（3）
Multiple draw-in grooves are evenly arranged with around its center（10）, the draw-in groove（10）Number and position and otic placode（11）Xiang Shi
Should, each draw-in groove（10）By the two clamping plates for being fixedly connected on parallel clearance setting on middle plate（14）Fold to be formed, the draw-in groove
（10）Width and otic placode（11）Thickness is equal, the sampler barrel（8）By the otic placode（11）Institute is movably fastened on up and down
State draw-in groove（10）It is interior, the clamping plate（14）Inward flange pushes against sampler barrel（8）, the top cover（7）With the spiral promotion bar（5）
Junction is provided with the sleeve playing the guiding role that moves up and down to top cover（6）, the sleeve（6）It is vertical with top cover to be fixedly connected,
Spiral promotion bar is movably wrapped in up and down（5）Outside, the base plate（4）Middle part is connected with spring（13）, spring
（13）Top is connected with pallet（12）, the pallet（12）With diameter greater than the sampler barrel（8）Internal diameter, the spring（13）If
Put one or more；When a spring is arranged, the spring（13）External diameter be equal to sampler barrel internal diameter；When many springs of setting
When, many springs are distributed on pallet（12）Bottom.
The base plate（4）Two ends be provided with connecting hole（16）, the connecting hole（16）It is easy to base plate and testing stand bolt
It is fixed；The material of the sampler barrel is steel, PVC or plastic-steel.
The otic placode（11）3 or 4 are set to, the otic placode（11）Height be 1-2cm, the clamping plate（14）Height
Degree is more than or equal to otic placode（11）Height.The runner（1）On be provided with shoe（15）, the shoe（15）For
Rubber sleeve, silica gel sheath or concaveconvex structure.
When using, first with each draw-in groove of plate in hairbrush cleaning（10）, then in spiral promotion bar（5）Bottom install band
There is sleeve（6）Top cover（7）, and by rotary top runner（1）Top cover is up-shifted to into close top board（2）Position（It is higher than
The top of sampler barrel）, then, will be equipped with the sampler barrel of soil sample（8）Each otic placode（11）It is fastened on middle plate（3）Upper corresponding card
Groove（10）It is interior, then by runner（1）The lower top cover of rotation（7）, when top cover contacts soon soil sample（9）When, to top cover（7）Position carry out
Fine setting adjusts top cover to guarantee top cover level（7）Behind position, slowly rotating wheel（1）, until soil sample drops from sampler barrel
To with spring（13）Pallet（12）It is interior, so as to realize soil sample（9）Taking-up；The soil sample is undisturbed soil sample or manipulated soil
Sample.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, all should cover within the scope of the present invention.Therefore, guarantor of the invention
The protection domain that shield scope should be limited by claims is defined.
Claims (4)
1. a kind of screw soil-shifting sampling device, including base plate (4), middle plate (3), top board (2), sampler barrel (8), top cover (7), it is described
, by the coaxially connected fixation of support column, top board (2) middle part is provided with female thread for base plate (4), middle plate (3), the both sides of top board (2)
Hole, middle plate (3) middle part is provided with through hole, and through-hole diameter is equal with sampler barrel internal diameter, and top cover (7) external diameter takes with described
Sample cylinder (8) internal diameter is equal；Also include spiral promotion bar (5), runner (1), the otic placode being connected at the top of spiral promotion bar (5)
(11), draw-in groove (10), sleeve (6), spiral promotion bar (5) passes through top board (2) with top board (2) middle part internal thread hole threaded engagement
Afterwards with top cover (7) middle part globular hinge, the bottom outer wall of the sampler barrel (8) is evenly arranged with 3 or 4 otic placodes (11), in
Plate (3) is evenly arranged with multiple draw-in grooves (10), number and position and the otic placode (11) of the draw-in groove (10) around its center
It is adapted, each draw-in groove (10) is folded by the two clamping plates (14) for being fixedly connected on parallel clearance setting on middle plate and formed, described
Draw-in groove (10) width is equal with otic placode (11) thickness, and by the otic placode (11), up and down movably card sets the sampler barrel (8)
In the draw-in groove (10), clamping plate (14) inward flange pushes against sampler barrel (8), the top cover (7) and the spiral promotion
Bar (5) junction is provided with the sleeve (6) playing the guiding role that moves up and down to top cover, and the sleeve (6) is vertical with top cover to fix
Connection, is movably wrapped in up and down the outside of spiral promotion bar (5), and base plate (4) middle part is connected with spring (13), bullet
Spring (13) top is connected with pallet (12), the pallet (12) with diameter greater than the sampler barrel (8) internal diameter, the spring (13)
One or more is set；When a spring is arranged, the external diameter of the spring (13) is equal to sampler barrel internal diameter；When many bullets of setting
During spring, many springs are distributed on pallet (12) bottom；
The soil-shifting quadrat method of the screw soil-shifting sampling device is：
First with each draw-in groove (10) of plate in hairbrush cleaning, then install with sleeve (6) in the bottom of spiral promotion bar (5)
Top cover (7), and top cover is up-shifted to by close top board (2) position by rotary top runner (1), then, will be equipped with soil sample
Each otic placode (11) of sampler barrel (8) be fastened on middle plate (3) in corresponding draw-in groove (10), then under being rotated by runner (1)
Top cover (7), when top cover has just contacted soil sample (9), is finely adjusted to guarantee top cover level to the position of top cover (7), adjusts top
Behind lid (7) position, slowly rotating wheel (1), until soil sample falls in the pallet (12) with spring (13) from sampler barrel,
So as to realize the taking-up of soil sample (9)；The soil sample is undisturbed soil sample or remoulded sample.
2. screw soil-shifting sampling device according to claim 1, it is characterised in that:The two ends of the base plate are provided with company
Hole is connect, the connecting hole is easy to base plate to fix with testing stand bolt, the material of the sampler barrel is steel, PVC or plastic-steel.
3. screw soil-shifting sampling device according to claim 1, it is characterised in that：The otic placode（11）It is set to 3 or 4
It is individual, the otic placode（11）Height be 1-2cm, the clamping plate（14）Height be more than or equal to otic placode（11）Height.
4. the screw soil-shifting sampling device according to Claims 2 or 3, it is characterised in that：The runner（1）On be provided with it is anti-
Sliding device, the shoe is rubber sleeve, silica gel sheath or concaveconvex structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730964.1A CN104390808B (en) | 2014-12-05 | 2014-12-05 | Screw type soil sample pushing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410730964.1A CN104390808B (en) | 2014-12-05 | 2014-12-05 | Screw type soil sample pushing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104390808A CN104390808A (en) | 2015-03-04 |
| CN104390808B true CN104390808B (en) | 2017-04-12 |
Family
ID=52608740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410730964.1A Expired - Fee Related CN104390808B (en) | 2014-12-05 | 2014-12-05 | Screw type soil sample pushing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390808B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606395A (en) * | 2015-11-16 | 2016-05-25 | 太原理工大学 | Manual type mechanical-gear soil sampler for filling soil sample |
| CN106680111A (en) * | 2016-11-30 | 2017-05-17 | 中国科学院武汉岩土力学研究所 | Sample loading device for assisting direct shear tests and direct shear box matched with same |
| CN106932248A (en) * | 2017-03-02 | 2017-07-07 | 中国地质大学（武汉） | Portable pore water pressure squeezes device |
| CN108505947B (en) * | 2018-01-15 | 2022-02-11 | 叶蕴 | Hollow drill bit for discharging wastes out of barrel |
| CN108414272B (en) * | 2018-04-18 | 2021-11-05 | 安徽中疆环境科技有限公司 | Pollute contaminated soil sampling device of administering usefulness |
| CN109406268A (en) * | 2018-09-07 | 2019-03-01 | 昆明理工大学 | A kind of ess-strain control formula soil body test for tensile strength device and method |
| CN109837883A (en) * | 2019-03-01 | 2019-06-04 | 浙江大学城市学院 | A kind of electronic bulldozing device of artificially frozen soil and soil-shifting method |
| CN113484075B (en) * | 2021-08-03 | 2022-09-30 | 盖建功 | Controllable soil sample collection system of degree of depth scope |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166446Y (en) * | 1993-05-10 | 1994-05-25 | 马和美 | Multi-function hydraulic ingot stripper |
| CN2205844Y (en) * | 1994-06-24 | 1995-08-23 | 上海金欧勘探设备有限公司 | Bulldozer of sampler for sampling soil |
| JP4317600B2 (en) * | 1997-11-19 | 2009-08-19 | 財団法人電力中央研究所 | Sampling method by rotary sampling method |
| CN203069426U (en) * | 2013-01-29 | 2013-07-17 | 长安大学 | Marshall test-piece stripper |
| CN103308364B (en) * | 2013-06-25 | 2015-11-25 | 青岛理工大学 | A kind of hand-stripping device |
| CN103604662B (en) * | 2013-11-13 | 2016-08-24 | 中国科学院地球化学研究所 | A kind of constant volume type original-state soil strong collector and using method thereof |
| CN204330385U (en) * | 2014-12-05 | 2015-05-13 | 山东科技大学 | A kind of screw soil-shifting sampling device |
-
2014
- 2014-12-05 CN CN201410730964.1A patent/CN104390808B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104390808A (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104390808B (en) | Screw type soil sample pushing device and method | |
| US20160018379A1 (en) | Geomechanical Fluid-solid Coupling Testing Device for Water Inrush From Coal Mine Collapse Column | |
| CN103308383B (en) | Plane angle can load analog simulation experimental device and experimental technique | |
| CN201852662U (en) | Device for measuring relationship between pre-tightening torque and axial force of anchor bolt | |
| Rahardjo et al. | Understanding the stability of Samanea saman trees through tree pulling, analytical calculations and numerical models | |
| Jianliang et al. | Sand control optimization applied to moderately sanding wells in offshore loose sandstone reservoirs | |
| CN205146645U (en) | Split formula sieve | |
| CN206292121U (en) | One kind is multi-functional to mount strength test device | |
| CN107782611A (en) | A kind of experimental rig suitable for the experiment of multi-angle anchor rod drawing | |
| CN207880331U (en) | A kind of easy-to-dismount Surveying Engineering tripod | |
| CN102841037A (en) | Method and device for testing steady repose angle of wide grading loose accumulation soil body | |
| CN204330385U (en) | A kind of screw soil-shifting sampling device | |
| CN210113372U (en) | Drilling rig for geotechnical engineering investigation | |
| CN108181164B (en) | Sample wave velocity measuring device for impact test and test method thereof | |
| CN205895188U (en) | Simply visit ore device convenient to dismouting and carrying | |
| CN210802967U (en) | Mining geology rock specimen collection system | |
| CN108120618A (en) | A kind of roadbed testing sampler | |
| CN203299061U (en) | Rectangular-ambulatory-plane concrete member for test | |
| CN208396707U (en) | A kind of field sampling device for geological prospecting | |
| CN207703643U (en) | The physical model test device that deep basal pit unstability impacts neighbouring buried pipeline | |
| CN205400712U (en) | Prospecting testing arrangement | |
| CN206571454U (en) | It is a kind of in core-drilling for fixing the device of irregular rock | |
| CN210858593U (en) | Drilling rig for geotechnical engineering investigation | |
| CN208223939U (en) | A kind of axial strain measurement installation auxiliary device for rock triaxial tests machine | |
| CN209296359U (en) | A kind of acquisition device for geological prospecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20181205 |