CN108871855A - Concrete sampler - Google Patents
Concrete sampler Download PDFInfo
- Publication number
- CN108871855A CN108871855A CN201811110948.7A CN201811110948A CN108871855A CN 108871855 A CN108871855 A CN 108871855A CN 201811110948 A CN201811110948 A CN 201811110948A CN 108871855 A CN108871855 A CN 108871855A
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- Prior art keywords
- plate
- fixedly installed
- top surface
- far
- motor housing
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- 239000002689 soil Substances 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000005553 drilling Methods 0.000 claims description 20
- 238000005507 spraying Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 2
- 244000152100 Sorbus torminalis Species 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000002352 surface water Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002969 artificial stone Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 granular aggregat Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of concrete samplers, including bottom plate, the both ends of the two sides of the bottom surface of the bottom plate are fixedly installed with idler wheel, the two sides of the top surface of the bottom plate are fixedly connected to support plate, and the inner wall of the support plate offers sliding slot, the internal slide of the sliding slot is connected with slide plate, the top surface of slide plate place placed in the middle is fixedly installed with motor housing, the internal base surface of motor housing place placed in the middle is fixedly installed with motor, and the inner wall surface of the motor housing is provided with power supply, and the present invention relates to sampler technical fields.The concrete sampler; the concrete taken can be promoted in time; the through-hole being equipped with can in time shed the hot gas that motor housing generates; damping spring can reduce the noise generated when motor work; it can cool down to storing soil box and sampling instrument; the protective shell and helical blade being equipped with simultaneously, can improve work efficiency the sampling of concrete greater efficiency to storing soil box.
Description
Technical field
The present invention relates to sampler technical field, specially a kind of concrete sampler.
Background technique
Concrete is one of the present age most important civil engineering material, it be by cementitious material, granular aggregat, water, with
And the additive and admixture being added when necessary are prepared by a certain percentage, and through uniform stirring, closely knit molding, made of maintenance hardening
The characteristics of a kind of artificial stone material, concrete has abundant raw material, cheap, simple production process, thus keep its dosage more next
It is bigger, while concrete also has the features such as compression strength is high, and durability is good, and strength grade range is wide, these features make it
It is very extensive with range, it is not only used in various civil engineerings, is exactly shipbuilding industry, mechanical industry, the exploitation of ocean, ground thermal technology
Journey etc., concrete is also important material.
When concrete is sampled, often manual sampling causes great loss to labour, and storing soil box is being revolved
Frictional force during turning between concrete is larger, causes the temperature of sampling instrument that can sharply increase.
Summary of the invention
（One）The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of concrete sampler, labour's loss, sampleman are solved
Have temperature to increase, motor shakes the problems such as generating noise.
（Two）Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of concrete sampler, including bottom
Plate, the both ends of the two sides of the bottom surface of the bottom plate are fixedly installed with idler wheel, and the two sides of the top surface of the bottom plate are solid
Surely it being connected with support plate, and the inner wall of the support plate offers sliding slot, the internal slide of the sliding slot is connected with slide plate,
The top surface of slide plate place placed in the middle is fixedly installed with motor housing, and the internal base surface of the motor housing locates fixed peace between two parties
Inner wall surface equipped with motor, and the motor housing is provided with power supply, the side of the motor housing inner wall surface far from power supply
Through-hole is offered, the both ends of the two sides of the slide plate top surface are fixedly connected to elevating mechanism, and the elevating mechanism is separate
One end of slide plate top surface is fixedly connected with top plate, and the bottom surface of the slide plate is fixedly installed with damping spring, described
Damping spring is fixedly connected with fixed plate far from one end of slide plate bottom surface, and the two sides of the fixed plate bottom surface are fixed
Water spraying mechanism is installed, the outer side wall surface of the motor output shaft is provided with storing soil box, and the bottom surface of the storing soil box occupies
Middle place is provided with protective shell, and the protective shell runs through bottom plate and extends to the bottom of bottom plate, and the inside of the protective shell is set
Be equipped with sampling mechanism, the elevating mechanism includes weighted plate, the bottom surface of the weighted plate with the top surface of slide plate it
Between be fixedly connected, the weighted plate is provided with elevating lever, the lateral wall of the elevating lever far from the side of slide plate top surface
The bottom on surface is fixedly installed with limited block, and the outer side wall surface of the elevating lever is located to be fixedly installed with adjusting rotation between two parties
Button, the elevating lever are fixedly connected to the first connecting plate far from one end of weighted plate top surface, and first connecting plate is remote
Side from elevating lever top surface is fixedly connected to the second connecting plate, and second connecting plate is far from the top of the first connecting plate
The side on surface is fixedly connected between the bottom surface of top plate, and the water spraying mechanism includes water tank, the fixed plate
Water tank is fixedly mounted in bottom surface, and the outer side wall surface of the water tank is located to be fixedly installed with switch between two parties, the storage
The bottom surface of water tank is located to be fixedly installed with outlet pipe between two parties, and the one end of the outlet pipe far from the bottom of storage tank surface is solid
Dingan County is equipped with spray head, and the sampling mechanism includes drilling pipe, and the top surface of the drilling pipe and the bottom surface of motor housing are located between two parties
Between be rotatablely connected, the drilling pipe is fixedly installed with drill bit, the lateral wall of the drilling pipe far from one end of storing soil box bottom surface
Surface is provided with blade, and the blade sequentially passes through protective shell, storing soil box and extends to storing soil box inside top surface residence
Middle place.
Preferably, the outer side wall surface of bottom plate place placed in the middle is fixedly installed with handle, and the lateral wall of the handle
Surface is provided with anti-skid chequer.
Preferably, the bottom of the drill bit is the drill bit of spiral, and the blade is that spiral helicine and hardness is higher
Blade.
Preferably, the outlet pipe is a kind of outlet pipe of the higher stainless steel material of L-shaped and hardness.
Preferably, the bottom of the protective shell is provided with sawtooth, and the diameter of the protective shell is greater than the diameter of drilling pipe.
（Three）Beneficial effect
The present invention provides a kind of concrete samplers.Has following beneficial effect：
（1）, the concrete sampler, be fixedly connected to elevating mechanism by the both ends of the two sides of slide plate top surface, add
Weight plate is provided with elevating lever far from the side of slide plate top surface, and the bottom of the outer side wall surface of elevating lever is fixedly installed with
Limited block, the outer side wall surface of elevating lever are located to be fixedly installed with adjusting knob between two parties, and elevating lever is far from weighted plate top surface
One end be fixedly connected to the first connecting plate, the first connecting plate is fixedly connected to far from the side of elevating lever top surface
Two connecting plates offer through-hole, the fixed peace of the bottom surface of slide plate far from the side of power supply further through motor housing inner wall surface
Equipped with damping spring, the concrete taken can be promoted in time, the heat that the through-hole being equipped with can in time generate motor housing
It sheds, damping spring can reduce the noise generated when motor work, improve work efficiency.
（2）, the concrete sampler, locate to be fixedly installed with switch between two parties by the outer side wall surface of water tank, store up
The bottom surface of water tank is located to be fixedly installed with outlet pipe between two parties, the fixed peace in the one end of outlet pipe far from the bottom of storage tank surface
Equipped with spray head, it is fixedly installed with drill bit far from one end of storing soil box bottom surface further through drilling pipe, the outer side wall surface of drilling pipe is set
It is equipped with blade, and blade sequentially passes through protective shell, storing soil box and extends to storing soil box inside top surface and locate between two parties, it can be right
Storing soil box and sampling instrument cool down, while the protective shell and helical blade being equipped with, being capable of taking concrete greater efficiency
Sample is to storing soil box.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is elevating mechanism enlarged drawing of the present invention；
Fig. 3 is water spraying mechanism enlarged drawing of the present invention；
Fig. 4 is sampling mechanism enlarged drawing of the present invention.
In figure：1 bottom plate, 2 idler wheels, 3 handles, 4 sliding slots, 5 slide plates, 6 elevating mechanisms, 61 elevating levers, 62 first connecting plates, 63
Second connecting plate, 64 adjusting knobs, 65 limited blocks, 66 weighted plates, 7 support plates, 8 top plates, 9 through-holes, 10 motors, 11 power supplys, 12
Motor housing, 13 damping springs, 14 fixed plates, 15 water spraying mechanisms, 151 water tanks, 152 switches, 153 outlet pipes, 154 spray heads, 16
Storing soil box, 17 protective shells, 18 sampling mechanisms, 181 drilling pipes, 182 blades, 183 drill bits.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution：A kind of concrete sampler, including bottom plate 1, bottom plate 1
The both ends of two sides of bottom surface be fixedly installed with idler wheel 2, be moved easily whole device, the two sides of the top surface of bottom plate 1
It is fixedly connected to support plate 7, and the inner wall of support plate 7 offers sliding slot 4, the internal slide of sliding slot 4 is connected with slide plate
5, the top surface of slide plate 5 place placed in the middle is fixedly installed with motor housing 12, and the internal base surface of motor housing 12 locates fixed peace between two parties
Inner wall surface equipped with motor 10, and motor housing 12 is provided with power supply 11,12 inner wall surface of motor housing far from power supply 11 one
Side offers through-hole 9, and the both ends of the two sides of 5 top surface of slide plate are fixedly connected to elevating mechanism 6, convenient for the coagulation that will have been taken
Soil is promoted to storing soil box 16, and elevating mechanism 6 includes weighted plate 66, top surface of the bottom surface of weighted plate 66 with slide plate 5
Between be fixedly connected, weighted plate 66 is provided with elevating lever 61, the lateral wall of elevating lever 61 far from the side of 5 top surface of slide plate
The bottom on surface is fixedly installed with limited block 65, and the outer side wall surface of elevating lever 61 is located to be fixedly installed with adjusting knob between two parties
64, elevating lever 61 is fixedly connected to the first connecting plate 62 far from one end of 66 top surface of weighted plate, and the first connecting plate 62 is remote
Side from 61 top surface of elevating lever is fixedly connected to the second connecting plate 63, and the second connecting plate 63 is far from the first connecting plate 62
The side of top surface is fixedly connected between the bottom surface of top plate 8, the one end of elevating mechanism 6 far from slide plate top surface
It is fixedly connected with top plate 8, the bottom surface of slide plate 5 is fixedly installed with damping spring 13, can reduce the vibration of motor 10 and generate
Noise, damping spring 13 is fixedly connected with fixed plate 14 far from one end of slide plate bottom surface, 14 bottom surface of fixed plate
Two sides are fixedly installed with water spraying mechanism 15, can cool down to storing soil box 16 and sampling mechanism 18, and water spraying mechanism 15 includes
Water tank 151 is fixedly mounted in water tank 151, the bottom surface of fixed plate 14, and the outer side wall surface of water tank 151 is located between two parties
It is fixedly installed with switch 152, the bottom surface of water tank 151 is located to be fixedly installed with outlet pipe 153 between two parties, and outlet pipe 153 is remote
One end from 151 bottom surface of water tank is fixedly installed with spray head 154, and the outer side wall surface of 10 output shaft of motor is provided with storage
Native case 16, the bottom surface of storing soil box 16 place placed in the middle is provided with protective shell 17, and protective shell 17 through bottom plate 1 and extends to bottom
The bottom of plate 1, protective shell 17 are internally provided with sampling mechanism 18, and sampling mechanism 18 includes drilling pipe 181, the top of drilling pipe 181
It is rotatablely connected between the bottom surface of surface and motor housing 12 is placed in the middle, the one end of drilling pipe 181 far from 16 bottom surface of storing soil box
It is fixedly installed with drill bit 183, the outer side wall surface of drilling pipe 181 is provided with blade 182, and blade 182 sequentially passes through protective shell
17, it storing soil box 16 and extends to 16 inside top surface of storing soil box and locates between two parties, concrete can be moved in time and accurately to storage soil
Case 16.
In use, user opens motor 10, motor 10 drives storing soil box 16 to rotate, while driving protective shell 17 and drilling pipe
The sawtooth of 181 synchronous rotary, 17 bottom of protective shell easily can be such that soil separates, after taking sample, drilling pipe 181
It needs to pull out rapidly in soil and, prevent sample from sliding, at this point, adjusting adjusting knob 64, make entire elevating mechanism 6 upwards
It is mobile, it is final that drilling pipe 181 is driven to move upwards so that slide plate 5 be driven to move upwards, by spiral helicine blade 182 by coagulation
Soil is transferred to storing soil box 16, and whole device is quickly sampled, meanwhile, the through-hole 9 being equipped in motor housing 12 can
The hot gas generated when motor 10 is worked sheds, and damping spring 13 can reduce the noise generated when motor work, sprinkler
Structure 15 can cool down to storing soil box 16 and sampling instrument, extend the service life of motor and storing soil box.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of concrete sampler, including bottom plate（1）, it is characterised in that：The bottom plate（1）Bottom surface two sides
Both ends are fixedly installed with idler wheel（2）, the bottom plate（1）The two sides of top surface be fixedly connected to support plate（7）, and institute
State support plate（7）Inner wall offer sliding slot（4）, the sliding slot（4）Internal slide be connected with slide plate（5）, the slide plate
（5）Top surface place placed in the middle be fixedly installed with motor housing（12）, the motor housing（12）Internal base surface locate between two parties it is solid
Dingan County is equipped with motor（10）, and the motor housing（12）Inner wall surface be provided with power supply（11）, the motor housing（12）It is interior
Wall surface is far from power supply（11）Side offer through-hole（9）, the slide plate（5）The both ends of the two sides of top surface are fixed to be connected
It is connected to elevating mechanism（6）, the elevating mechanism（6）One end far from slide plate top surface is fixedly connected with top plate（8）, the cunning
Plate（5）Bottom surface be fixedly installed with damping spring（13）, the damping spring（13）One far from slide plate bottom surface
End is fixedly connected with fixed plate（14）, the fixed plate（14）The two sides of bottom surface are fixedly installed with water spraying mechanism（15）,
The motor（10）The outer side wall surface of output shaft is provided with storing soil box（16）, the storing soil box（16）Bottom surface locate between two parties
It is provided with protective shell（17）, and the protective shell（17）Through bottom plate（1）And extend to bottom plate（1）Bottom, the protection
Shell（17）Be internally provided with sampling mechanism（18）；
The elevating mechanism（6）Including weighted plate（66）, the weighted plate（66）Bottom surface and slide plate（5）Top table
It is fixedly connected between face, the weighted plate（66）Far from slide plate（5）The side of top surface is provided with elevating lever（61）, described
Elevating lever（61）The bottom of outer side wall surface be fixedly installed with limited block（65）, the elevating lever（61）Outer side wall surface
Place placed in the middle is fixedly installed with adjusting knob（64）, the elevating lever（61）Far from weighted plate（66）One end of top surface is solid
Surely it is connected with the first connecting plate（62）, first connecting plate（62）Far from elevating lever（61）The side of top surface is fixed to be connected
It is connected to the second connecting plate（63）, second connecting plate（63）Far from the first connecting plate（62）The side of top surface is and top plate
（8）Bottom surface between be fixedly connected；
The water spraying mechanism（15）Including water tank（151）, the fixed plate（14）Bottom surface water tank is fixedly mounted
（151）, the water tank（151）Outer side wall surface locate to be fixedly installed with switch between two parties（152）, the water tank（151）
Bottom surface locate to be fixedly installed with outlet pipe between two parties（153）, the outlet pipe（153）Far from water tank（151）Bottom table
The one end in face is fixedly installed with spray head（154）；
The sampling mechanism（18）Including drilling pipe（181）, the drilling pipe（181）Top surface and motor housing（12）Bottom table
It is rotatablely connected between face is placed in the middle, the drilling pipe（181）Far from storing soil box（16）One end of bottom surface is fixedly installed with drill bit
（183）, the drilling pipe（181）Outer side wall surface be provided with blade（182）, and the blade（182）Sequentially pass through protection
Shell（17）, storing soil box（16）And extend to storing soil box（16）Locate between two parties on inside top surface.
2. a kind of concrete sampler according to claim 1, it is characterised in that：The bottom plate（1）Lateral wall table
Face place placed in the middle is fixedly installed with handle（3）, and the handle（3）Outer side wall surface be provided with anti-skid chequer.
3. a kind of concrete sampler according to claim 1, it is characterised in that：The drill bit（183）Bottom be
The drill bit of spiral, and the blade（182）For the higher blade of spiral helicine and hardness.
4. a kind of concrete sampler according to claim 1, it is characterised in that：The outlet pipe（153）For one kind
The outlet pipe of the higher stainless steel material of L-shaped and hardness.
5. a kind of concrete sampler according to claim 1, it is characterised in that：The protective shell（17）Bottom set
It is equipped with sawtooth, and the protective shell（17）Diameter be greater than drilling pipe（181）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811110948.7A CN108871855A (en) | 2018-09-22 | 2018-09-22 | Concrete sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811110948.7A CN108871855A (en) | 2018-09-22 | 2018-09-22 | Concrete sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108871855A true CN108871855A (en) | 2018-11-23 |
Family
ID=64324530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811110948.7A Withdrawn CN108871855A (en) | 2018-09-22 | 2018-09-22 | Concrete sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108871855A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580275A (en) * | 2018-12-06 | 2019-04-05 | 贵州大学 | A kind of rock sampler of the ROCK MECHANICS RESEARCH with cleaning function |
| CN111337297A (en) * | 2020-03-07 | 2020-06-26 | 成都佳仕得科技有限公司 | Proppant sampling device |
| CN112729930A (en) * | 2021-02-02 | 2021-04-30 | 浙江工业职业技术学院 | Geotechnical sampling device for geotechnical engineering and working method thereof |
| CN113358389A (en) * | 2021-06-02 | 2021-09-07 | 黑龙江职业学院(黑龙江省经济管理干部学院) | Concrete sampling device and sampling method for civil engineering |
| CN114646497A (en) * | 2022-05-23 | 2022-06-21 | 成都理工大学 | Sampling device for geological structure survey |
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| CN107796659A (en) * | 2017-11-22 | 2018-03-13 | 佛山智达思佳机电科技有限公司 | A kind of concrete high-efficiency sampler |
| CN207763983U (en) * | 2018-02-09 | 2018-08-24 | 武瑞京 | A kind of geology soil highly effective gathering classified collection device |
| CN108444748A (en) * | 2018-03-13 | 2018-08-24 | 共同科技开发有限公司 | A kind of farmland pollution improvement soil sampling apparatus |
| CN108444749A (en) * | 2018-03-20 | 2018-08-24 | 王攀 | A kind of municipal road construction sampler |
| CN108469353A (en) * | 2018-07-05 | 2018-08-31 | 佛山奎丰商务咨询服务有限公司 | A kind of soil sampling apparatus |
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| CN109580275A (en) * | 2018-12-06 | 2019-04-05 | 贵州大学 | A kind of rock sampler of the ROCK MECHANICS RESEARCH with cleaning function |
| CN111337297A (en) * | 2020-03-07 | 2020-06-26 | 成都佳仕得科技有限公司 | Proppant sampling device |
| CN112729930A (en) * | 2021-02-02 | 2021-04-30 | 浙江工业职业技术学院 | Geotechnical sampling device for geotechnical engineering and working method thereof |
| CN112729930B (en) * | 2021-02-02 | 2022-08-02 | 浙江工业职业技术学院 | Geotechnical sampling device for geotechnical engineering and working method thereof |
| CN113358389A (en) * | 2021-06-02 | 2021-09-07 | 黑龙江职业学院(黑龙江省经济管理干部学院) | Concrete sampling device and sampling method for civil engineering |
| CN114646497A (en) * | 2022-05-23 | 2022-06-21 | 成都理工大学 | Sampling device for geological structure survey |
| CN114646497B (en) * | 2022-05-23 | 2022-08-05 | 成都理工大学 | Sampling device for geological structure survey |
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