CN107179211A - A kind of hydraulic pressure compressed soil-sampling tool - Google Patents
A kind of hydraulic pressure compressed soil-sampling tool Download PDFInfo
- Publication number
- CN107179211A CN107179211A CN201710473659.2A CN201710473659A CN107179211A CN 107179211 A CN107179211 A CN 107179211A CN 201710473659 A CN201710473659 A CN 201710473659A CN 107179211 A CN107179211 A CN 107179211A
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- Prior art keywords
- petroleum pipeline
- valve
- hydraulic pump
- soil
- way cylinder
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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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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth 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 kind of hydraulic pressure compressed soil-sampling tool, it includes hydraulic pump, two-way cylinder, soil sampler and oil cylinder；The periphery of two-way cylinder is circumferentially provided with support, and the contact position on support and ground is provided with support pad；The top of two-way cylinder is connected by the first petroleum pipeline and the first check valve with the bottom of hydraulic pump, is connected by the second petroleum pipeline with oil cylinder；The bottom of two-way cylinder is connected by the 3rd petroleum pipeline with oil cylinder, is connected by the 4th petroleum pipeline and the first check valve with the bottom of hydraulic pump；The bottom of hydraulic pump is connected by the second check valve with oil cylinder；The first valve, the second valve, the 3rd valve and the 4th valve are respectively arranged with four petroleum pipelines；The piston of hydraulic pump is connected by drive rod with pedal；Soil sampler includes shoe and bushing pipe, and the bottom of bushing pipe is connected with drill bit；The top of shoe is connected by connecting rod with two-way cylinder inner carrier.The present invention can reduce the disturbance to soil to greatest extent, keep soil characteristic.
Description
Technical field
The present invention relates to a kind of soil sampling apparatus in Analysis On Physical And Chemical Property, and in particular to a kind of hydraulic pressure undisturbed soil
Geotome.
Background technology
The collection of pedotheque is the important step of Analysis On Physical And Chemical Property, and the quality of sampling directly affects analysis knot
Really.Existing earth boring auger is made up of stainless steel and other metal materials mostly, frangibility during the thin earth boring auger use of tube wall, thickness of pipe wall
Earth boring auger is heavier, and is difficult to insert soil.Containing various heavy and other metallic elements in stainless steel, and hardness is less than soil
Sandstone in earth, during fetching earth, is vulnerable to scraping and enters in sample, sample analysis of physical and chemical property is caused to have a strong impact on.Pass
The drilling pipe formula earth boring auger of system, gathers the soil of high humidity, and when extracting earth boring auger, sample easily slides, it is impossible to complete to take out, and soil-shifting rod-type
When earth boring auger gathers sticky larger soil, it is difficult to release, have impact on sample collection efficiency.
The content of the invention
For problems of the prior art, it is an object of the invention to provide a kind of hydraulic pressure compressed soil-sampling tool, its
The disturbance to soil can be reduced to greatest extent, keep soil characteristic.
To achieve the above object, the present invention uses following technical scheme：
A kind of hydraulic pressure compressed soil-sampling tool, the geotome includes hydraulic pump, two-way cylinder, soil sampler and oil cylinder；Wherein,
The periphery of the two-way cylinder is circumferentially provided with support, and the contact position on the support and ground is provided with support cushion
Piece；The top of two-way cylinder is connected by the first petroleum pipeline and the first check valve with the bottom of the hydraulic pump, defeated by second
Oil pipe is connected with the oil cylinder；The bottom of two-way cylinder is connected by the 3rd petroleum pipeline with oil cylinder, passes through the 4th petroleum pipeline and institute
The first check valve is stated to connect with the bottom of hydraulic pump；The bottom of hydraulic pump is connected by the second check valve with oil cylinder；Described first
The first valve, the second valve, the 3rd valve are respectively arranged with petroleum pipeline, the second petroleum pipeline, the 3rd petroleum pipeline and the 4th petroleum pipeline
Door and the 4th valve；
The piston of hydraulic pump is connected by drive rod with pedal；
The soil sampler includes shoe and bushing pipe, and the bushing pipe is socketed in the shoe, and the bottom of bushing pipe is connected with brill
Head；The top of shoe is connected by connecting rod with two-way cylinder inner carrier.
Further, the surrounding of the drill bit is provided with several from the lower blade gradually stretched out under；The blade
It is less than 10 ° with the angle of vertical direction；The maximum outside diameter of blade is more than the external diameter of the shoe.
Further, it is provided with back-moving spring between the bottom of the pedal and the support pad；The back-moving spring
It is in nature stretch-like under nature.
Further, the connecting rod is made up of No. 45 steel；The support is made up of 304 steel；The shoe is by aluminium alloy system
Into；The drill bit is made up of No. 45 steel；The bushing pipe is made up of PVC, and its thickness is 7.7mm.
The present invention has following advantageous effects：
The present invention utilizes bidirectional hydraulic power, and static pressure directly pushes away original state earth boring auger, can take the original state soil body with less pedal force；By
Bored in being bulldozed using hydraulic direct, so, the disturbance to soil can be reduced to greatest extent, keep soil characteristic so that soil
It is actual that analysis of physical and chemical property more meets field.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below, refer to the attached drawing, is more fully illustrated to the present invention, shown in the drawings of the exemplary implementation of the present invention
Example.However, the present invention can be presented as a variety of multi-forms, the exemplary implementation for being confined to describe here is not construed as
Example.And these embodiments are to provide, so that the present invention is fully and completely, and it will fully convey the scope of the invention to this
The those of ordinary skill in field.
As shown in figure 1, the invention provides a kind of hydraulic pressure compressed soil-sampling tool, the geotome includes hydraulic pump 1, two-way oil
Cylinder 2, soil sampler and oil cylinder 3；Wherein,
The periphery of two-way cylinder 2 is circumferentially provided with support 4, and support 4 and the contact position on ground are provided with support pad 5；
The top of two-way cylinder 2 is connected by the first petroleum pipeline 6 and the first check valve 10 with the bottom of hydraulic pump 1, passes through the second oil transportation
Pipe 7 is connected with oil cylinder 3；The bottom of two-way cylinder 2 is connected by the 3rd petroleum pipeline 8 with oil cylinder 3, passes through the 4th petroleum pipeline 9 and
One check valve 10 is connected with the bottom of hydraulic pump 1；The bottom of hydraulic pump 1 is connected by the second check valve 11 with oil cylinder 3；First is defeated
Be respectively arranged with oil pipe 6, the second petroleum pipeline 7, the 3rd petroleum pipeline 8 and the 4th petroleum pipeline 9 first valve 12, the second valve 13,
3rd valve 14 and the 4th valve 15；
The piston of hydraulic pump 1 is connected by drive rod 16 with pedal 17；
Soil sampler includes shoe 18 and bushing pipe 19, and bushing pipe 19 is socketed in shoe 18, and the bottom of bushing pipe 19 is connected with drill bit
20；The top of shoe 18 is connected by connecting rod 21 with two-way cylinder inner carrier 22.
The surrounding of drill bit 20 is provided with several from the lower blade 23 gradually stretched out under；Blade 23 and vertical direction
Angle be less than 10 °；The maximum outside diameter of blade 23 is more than the external diameter of shoe 18；Being arranged such can make drill bit smoothly from drilling
Extract.
Back-moving spring 24 is provided between the bottom of pedal 17 and support pad 5；It is under the nature of back-moving spring 24
Natural stretch-like, back-moving spring 24 is used to reset pedal 17.
Connecting rod 21 is made up of No. 45 steel；Support 4 is made up of 304 steel；Shoe 18 is made up of aluminium alloy；Drill bit 20 is by No. 45
Steel is made；Bushing pipe 19 is made up of PVC, and its thickness is 7.7mm.
The present invention the course of work be：
When fetching earth, foot-treadle 16 while open the first valve 12 and the 3rd valve 14, closes the second valve 13 and the
Four valves 15；In the presence of pedal force, the piston of hydraulic pump 1 is moved down, and the liquid of the inner carrier bottom of hydraulic pump 1 is through first
Petroleum pipeline 6 enters the top of piston 22 of two-way cylinder 2, and then drives piston 22 to move down, and then drives soil sampler to complete to take
Native process, if that once tramples fetches earth depth not enough, pedal 16 can be trampled repeatedly, hydraulic pump 1 passes through the second check valve
11 from the draw oil of oil cylinder 3；After the completion of fetching earth, the second valve 13 and the 4th valve 15 are opened, the first valve 12 and the is closed
Three valves 14, foot-treadle 16, in the presence of pedal force, the piston of hydraulic pump 1 is moved down, under the inner carrier of hydraulic pump 1
The liquid in portion enters the lower section of piston 22 of two-way cylinder 2 through the 4th petroleum pipeline 9, and then drives piston 22 to move up, two-way oil
The hydraulic oil of the top of piston 22 of cylinder 2 is back to oil cylinder 3 through the second petroleum pipeline 7；In whole process, hydraulic pump 1 and two-way cylinder 2
Interior liquid is constantly in the state of recycling.
It is described above simply to illustrate that of the invention, it is understood that the invention is not limited in above example, meet
The various variants of inventive concept are within protection scope of the present invention.
Claims (4)
1. a kind of hydraulic pressure compressed soil-sampling tool, it is characterised in that the geotome include hydraulic pump, two-way cylinder, soil sampler and
Oil cylinder；Wherein,
The periphery of the two-way cylinder is circumferentially provided with support, and the contact position on the support and ground is provided with support pad；
The top of two-way cylinder is connected by the first petroleum pipeline and the first check valve with the bottom of the hydraulic pump, passes through the second petroleum pipeline
Connected with the oil cylinder；The bottom of two-way cylinder is connected by the 3rd petroleum pipeline with oil cylinder, passes through the 4th petroleum pipeline and described
One check valve is connected with the bottom of hydraulic pump；The bottom of hydraulic pump is connected by the second check valve with oil cylinder；First oil transportation
Be respectively arranged with pipe, the second petroleum pipeline, the 3rd petroleum pipeline and the 4th petroleum pipeline the first valve, the second valve, the 3rd valve and
4th valve；
The piston of hydraulic pump is connected by drive rod with pedal；
The soil sampler includes shoe and bushing pipe, and the bushing pipe is socketed in the shoe, and the bottom of bushing pipe is connected with drill bit；Pipe
The top of boots is connected by connecting rod with two-way cylinder inner carrier.
2. hydraulic pressure compressed soil-sampling tool according to claim 1, it is characterised in that the surrounding of the drill bit is provided with some
It is individual from the lower blade gradually stretched out under；The angle of the blade and vertical direction is less than 10 °；The maximum outside diameter of blade is big
In the external diameter of the shoe.
3. hydraulic pressure compressed soil-sampling tool according to claim 1, it is characterised in that the bottom of the pedal and the branch
Back-moving spring is provided between frame pad；It is in nature stretch-like under the back-moving spring nature.
4. hydraulic pressure compressed soil-sampling tool according to claim 1, it is characterised in that the connecting rod is made up of No. 45 steel；
The support is made up of 304 steel；The shoe is made up of aluminium alloy；The drill bit is made up of No. 45 steel；The bushing pipe is by PVC systems
Into its thickness is 7.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473659.2A CN107179211B (en) | 2017-06-21 | 2017-06-21 | Hydraulic undisturbed soil sampling drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473659.2A CN107179211B (en) | 2017-06-21 | 2017-06-21 | Hydraulic undisturbed soil sampling drill |
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| Publication Number | Publication Date |
|---|---|
| CN107179211A true CN107179211A (en) | 2017-09-19 |
| CN107179211B CN107179211B (en) | 2023-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710473659.2A Active CN107179211B (en) | 2017-06-21 | 2017-06-21 | Hydraulic undisturbed soil sampling drill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287085A (en) * | 2018-03-27 | 2018-07-17 | 昆明理工大学 | A kind of undisturbed soil drawing out soil equipment of hydraulic control |
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|---|---|---|---|---|
| GB1444014A (en) * | 1973-05-23 | 1976-07-28 | Trentham Ltd G Percy | Soil sampling method and apparatus |
| JPH0742490A (en) * | 1993-07-29 | 1995-02-10 | Hitachi Constr Mach Co Ltd | Sand pumping device for small diameter pipe thrusting machine |
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| CN106802249A (en) * | 2017-03-16 | 2017-06-06 | 合肥学院 | Manual hydraulic type earth work cutting ring soil sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287085A (en) * | 2018-03-27 | 2018-07-17 | 昆明理工大学 | A kind of undisturbed soil drawing out soil equipment of hydraulic control |
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| Publication number | Publication date |
|---|---|
| CN107179211B (en) | 2023-05-02 |
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