CN107063802A - A kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device - Google Patents
A kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device Download PDFInfo
- Publication number
- CN107063802A CN107063802A CN201710292968.XA CN201710292968A CN107063802A CN 107063802 A CN107063802 A CN 107063802A CN 201710292968 A CN201710292968 A CN 201710292968A CN 107063802 A CN107063802 A CN 107063802A
- Authority
- CN
- China
- Prior art keywords
- sample
- oil cylinder
- water
- guide rail
- sliding block
- 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.)
- Granted
Links
- 239000011435 rock Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 238000005498 polishing Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000004575 stone Substances 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 238000003556 assay Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 26
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003825 pressing Methods 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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
Abstract
The invention discloses be related to a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device, including the first oil cylinder, the second oil cylinder and horizontal guide rail, first oil cylinder is vertically fixedly installed on one end of horizontal guide rail by its cylinder barrel, second oil cylinder is horizontally set on the other end of horizontal guide rail by its cylinder barrel, the first vertically arranged oil cylinder can be with the installing space size of adjusting sample, and then can make the sample of arbitrary height as needed；Sample is installed by bearing plate, rubber slab, sample is driven by coaxial motor, polishing is become actively by passive.The sanding component horizontally slipped by the second hydraulic oil cylinder driving is additionally provided with simultaneously, according to the difference of the distance at sanding component test coupon center, can produce the cylindrical sample of different-diameter, while control system is provided with, can exact automatic bearing;Cooling water pipe is slided with vertical sliding block, is saved water and energy；The present invention is simple in construction, can disposably complete the making of cylindrical sample, time saving, saving of labor, laborsaving.
Description
Technical field
The present invention relates to geotechnical engineering instruments field, it belongs to a kind of tools of sample, more particularly to a kind of water saving
Rock or concrete cylindrical sample producing device that type is automatically adjusted.
Background technology
Existing laboratory rock or concrete sampler can only take fixed diameter, the sample of limited length.If taken
The specimen length diameter that exceeds the maximum or sample when being the bore of existing cutter can not realize sampling.
Further, existing laboratory rock or concrete sampler, during sampling, with the increasing of drilling depth
Plus, easily there is left and right little play in drilling rod, and the side that this can directly result in the cylindrical sample of taking-up is rough, can also sometimes
There is very big inconsistent phenomenon, cause sampling to fail, it is impossible to carry out for follow-up sample work, it is time-consuming to take a lot of work arduously.
In addition, during drill hole sampling, if having crack or joint plane in rock, cutter is in high speed circumgyration incision
When, test specimen easily disconnects in joint plane, and this also results in sampling failure.
If the height of required cylindrical sample is less than the depth of drill hole sampling machine, it is sometimes difficult to hold entering for drilling tool
It is deep, it is necessary to the redundance at two ends be ground off with stone mill, waste of materials, manpower, time when sampling long.
In addition, existing stone mill polishing when need it is lasting to whole mill face carry out water-spraying control, water resource waste
Seriously.
The content of the invention
In order to solve the above problems, the present invention mainly proposes a kind of water-saving rock or concrete cylindrical automatically adjusted
The producing device of sample, it is time saving, it is laborsaving；The sample of random length and arbitrary diameter can also be made.
The present invention is achieved through the following technical solutions：
A kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device, including the first oil cylinder, the second oil cylinder
And horizontal guide rail, it is characterised in that：First oil cylinder is vertically fixedly installed on one end of horizontal guide rail, described by its cylinder barrel
Two oil cylinders are horizontally set on the other end of horizontal guide rail by its cylinder barrel, and the piston-rod end of first oil cylinder is provided with cantilever
Holder is provided with bar, the cantilever lever, the upper holder just to being provided with lower holder on the horizontal guide rail of bottom,
Sample has been gripped between upper and lower holder；Coaxial motor is connected with the lower holder, the sample is in coaxial motor
It is rotated by；Sanding component is provided with the horizontal guide rail, the sanding component is described to beat by second hydraulic oil cylinder driving
Grinding component includes cross sliding clock and upright guide rail, and the cross sliding clock is slidably matched with horizontal guide rail, sliding on the upright guide rail
Dynamic be provided with the outside of vertical sliding block, the vertical sliding block is fixed with grinding stone, and the vertical sliding block is provided with drive device, in institute
Under the driving for stating drive device, vertical sliding block can do on upright guide rail and up and down reciprocatingly slide；Set on the vertical sliding block
There is servo-actuated cooling device, the end of the piston rod of second oil cylinder is connected with the upright guide rail.
As preferred technical scheme, first oil cylinder and second oil cylinder are controlled by the control system, are passed through
Input height and diameter parameters, its height that can be made by the flexible accurate Control Assay of the first oil cylinder of control and the second oil cylinder
Degree and diameter.
As preferred technical scheme, the upper holder of the invention be disposed with from top to bottom upper bearing (metal), on hold
Pressing plate and upper rubber mat plate；Fine setting fastening bolt is provided between the cantilever lever and upper bearing (metal).
As preferred technical scheme, the lower holder of the invention be disposed with from top to bottom lower rubber mat plate,
Lower bearing plate, lower bearing, the lower bearing bottom are connected with coaxial motor by rotating shaft.
As preferred technical scheme, the servo-actuated cooling device is the cooling water pipe being fixed on vertical sliding block, cooling
The water side of water pipe is provided with the hole for water spraying just to sample, water inlet end connection cooling water pump, the water inlet end and the water side
Between be also equipped with adjustable spring.
As preferred technical scheme, the middle part of the vertical sliding block and the grinding stone, which is set, perforates, the upright guide rail
For hollow-core construction, the cooling water pipe main body is placed in the hollow-core construction, and the water side is located in the perforation, institute
State the upper end that water inlet end is fixed on upright guide rail.
As preferred technical scheme, spiral expanding device, institute are additionally provided between the vertical sliding block and upright guide rail
State spiral expanding device and can compensate for the distance between wear-thickness and fine setting grinding stone and sample of grinding stone.
As preferred technical scheme, the upper bearing plate, the center of upper rubber mat plate are connected by the first spring
Have a upper steel thimble, the lower bearing plate, the center of lower rubber mat plate are connected with lower steel thimble by second spring, it is described on
Steel thimble and lower steel thimble top are located at the central point of sample.
As preferred technical scheme, the sample utilizes cutting machine into square, to pacify cross-sectional cut before polishing
Fill the quick centre of location point of diagonal using section above and below pencil connection before sample.
The beneficial effect that the present invention can be reached using above-mentioned technical proposal has：
（1）The present invention using the first vertically arranged oil cylinder can convenient adjusting sample installing space, and then can basis
Need the sample of making arbitrary height；Meanwhile, coordinate by the second hydraulic oil cylinder driving and the sanding component that can horizontally slip, according to beating
The difference of the distance at component test coupon center is ground, the cylindrical sample of different-diameter can be produced, is greatly expanded existing
There is the limitation that cylindrical sample size is made in technology, the first oil cylinder of the invention, the second oil cylinder are by control system control, experiment
Personnel only need to input sample parameter, easy to operate, automatically adjust, precision is reliable.
（2）The present invention becomes passive sampling or polishing for the polishing of sample itself active rotation, it is to avoid in rock or concrete
The problem of there is crack and cause sample fracture；Meanwhile, sample, which makes, disposably to be completed, dimensional standard specification, time saving, saving of labor,
It is laborsaving, improve the producing efficiency of sample.
（3）The present invention is by setting the holder with bearing plate and rubber mat plate, above and below bearing plate can be carried out to sample
To pressure, on the one hand rubber mat plate increases the lifting surface area between bearing plate and sample, and buffering bearing plate is kept away the pressure of sample
Exempt from part to damage by pressure, on the other hand increase the frictional force between bearing plate and sample, further increase the firm of sample installation
Property.In addition, the thimble of mating band spring, is easy to sample to install, the installation centering efficiency of sample is improved.
（4）Cooling water pipe of the present invention is fixed on vertical sliding block, can be moved, cooling water with the movement of vertical sliding block
The position of sample polishing can be injected directly on, the utilization ratio of cooling water is improved, saves water and energy.In addition, cooling water pipe enters
Adjustable spring is provided between water end (W.E.) and water side, cooling water pipe automatic telescopic can be achieved in moving process, effectively prevent cold
But water pipe is pulled off.
（5）The automatic telescopic arm that is set between vertical sliding block and grinding stone of the present invention, its can with grinding stone abrasion from
The wear-thickness of dynamic compensation grinding stone, grinding stone can be maximally utilized, extend the grinding stone replacement cycle, while finely tuning grinding stone and examination
The distance between sample, further ensures the precision of finished product specimen finish.
Brief description of the drawings
Fig. 1 is the front view of the present invention
Fig. 2 is the rubber mat plate front view of the present invention
Fig. 3 is the cross-sectional view of the hexahedron sample of the present invention
Reference in figure is：1st, sample 121, adjustable spring 131, the first spring 132, second spring 141, upper steel top
Pin 142, lower steel thimble 171, upper bearing (metal) 172, lower bearing 21, upper rubber mat plate 22, lower rubber mat plate 3, spiral expanding
Device 31, upper bearing plate 32, lower bearing plate 4, fine setting fastening bolt 5, the first oil cylinder 6, horizontal guide rail 7, cross sliding clock
8th, vertical sliding block 9, hole for water spraying 10, upright guide rail 11, hollow-core construction 12, cooling water pipe 16, grinding stone 17, the second oil cylinder
20th, coaxial motor 201, control system.
Embodiment
The present invention is elaborated below in conjunction with the accompanying drawings：
Embodiment 1：
As shown in figure 1, including the first oil cylinder 5, the second oil cylinder 17 and horizontal guide rail 6, it is characterised in that：First oil cylinder 5 by
Its cylinder barrel is vertically fixedly installed on one end of horizontal guide rail 6, and second oil cylinder 17 is horizontally set on horizontal guide rail 6 by its cylinder barrel
The other end, the piston-rod end of first oil cylinder 5 is provided with cantilever lever.
The present invention using the first vertically arranged oil cylinder 5 can convenient adjusting sample 1 installing space, and then can root
According to need make arbitrary height sample 1.
Holder is provided with sample 1 to be polished, the cantilever lever in order to install, the upper holder is just to bottom
It is provided with horizontal guide rail 6 between lower holder, upper and lower holder and has gripped sample 1；It is connected with the lower holder
Coaxial motor 20, the sample 1 is rotated by coaxial motor 20.
The upper holder is disposed with upper bearing (metal) 171, upper bearing plate 31 and upper rubber mat plate 21 from top to bottom；It is described
Fine setting fastening bolt 4 is provided between second cantilever segment and upper bearing (metal) 171.By setting fine setting fastening bolt 4 to be easy in fine setting,
The distance between lower holder, is easy to firm installation sample 1.
The lower holder is disposed with lower rubber mat plate 22, lower bearing plate 32, lower bearing 172 from top to bottom, described
The bottom of lower bearing 172 is connected with coaxial motor 20 by rotating shaft.Wherein, upper and lower bearing plate can be to right above and below the progress of sample 1
On the one hand pressure, rubber mat plate increases the lifting surface area between bearing plate and sample, pressure of the buffering bearing plate to sample, it is to avoid
Part is damaged by pressure, on the other hand increases the frictional force between bearing plate and sample, further increases the steadiness of sample installation.
Under the drive of coaxial motor 20, the sample 1 can realize high-speed rotation；It is provided with the horizontal guide rail 6
Sanding component.According to the difference of the distance at the center of sanding component test coupon 1, the cylindrical sample of different-diameter can be produced
1, it is greatly expanded the limitation for making cylindrical sample size in the prior art.
The sanding component includes cross sliding clock 7 and upright guide rail 10, and the cross sliding clock 7 is slided with horizontal guide rail 6 matches somebody with somebody
Close, slided on the upright guide rail 10 and be provided with vertical sliding block 8, the outside of the vertical sliding block 8 has been removably secured grinding stone
16, the vertical sliding block 8 is provided with drive device（It is not shown）, under the driving of the drive device, vertical sliding block 8 can be
Do and up and down reciprocatingly slide on upright guide rail 10, to enable grinding stone to polish the full-height direction of sample.Here driving dress
Put to be the self-driven mechanism inside sliding block, or the those skilled in the art such as timing belt driving or drive screw know
Existing mode.
Servo-actuated cooling device is provided with the vertical sliding block 8.The servo-actuated cooling device is to be fixed on vertical sliding block 8
Cooling water pipe 12, the water side of cooling water pipe 12 is provided with the hole for water spraying 9 just to sample 1, water inlet end connection cooling water pump.It is cold
But water pipe 12 is fixed on vertical sliding block 8, can be moved with the movement of vertical sliding block, cooling water can inject directly on sample
The position of polishing, improves the utilization ratio of cooling water, saves water and energy.Also it is equipped between the water inlet end and the water side
Adjustable spring 121.Adjustable spring 121 can automatically shrink in moving process to cooling water pipe 12, effectively prevent cooling water pipe
12 are pulled off.
The middle part of the vertical sliding block 8 and the grinding stone 16 set and perforate, the upright guide rail 10 is hollow-core construction 11,
The main body of cooling water pipe 12 is placed in the hollow-core construction 11, and the water side is located in the perforation, the water inlet
End is fixed on the upper end of upright guide rail 10.This further optimizes the setting of cooling water pipe 12, and it is vertical on the one hand to take full advantage of
The inner space of guide rail 10, on the other hand prevents cooling water pipe 12 to influence sliding up and down for vertical sliding block 8.
The upper surface of the horizontal guide rail 6 is printed with steel scale, and the zero graduation line of the steel scale is located at the center line of sample 1
Correspondence position.By being carved with steel graduation mark on horizontal guide rail, it is easy to experimenter to read the polishing diameter of sample at any time, with
Accurate control is polishing to required diameter.
Spiral expanding device 3, the spiral expanding device 3 are additionally provided between the vertical sliding block 8 and upright guide rail 10
It can compensate for the distance between wear-thickness and fine setting grinding stone 16 and sample 1 of grinding stone 16.Spiral expanding device 3 can be flexible
Screw rod, can finely tune the distance between grinding stone and sample by its spiral expanding on the premise of not mobile and horizontal sliding block 7, enter one
Step ensure that the precision of finished product specimen finish, meanwhile, it can compensate for the wear-thickness of grinding stone, grinding stone can be maximized into profit
With extending the grinding stone replacement cycle.
As shown in Fig. 2 on described bearing plate 31, on the center of rubber mat plate 21 connected by the first spring 131
There is upper steel thimble 141, the lower bearing plate 32, the center of lower rubber mat plate 22 are connected with lower steel by second spring 132
Thimble 142, the upper steel thimble 141 and lower steel thimble 142 top are located at the central point of sample 1.So it is easy to sample to install, improves
The installation centering efficiency of sample.
As shown in figure 3, the sample 1 utilizes cutting machine into square, to install cross-sectional cut before sample before polishing
Using pencil connect above and below section the quick centre of location point of diagonal.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all cover within the scope of the present invention.Therefore, guarantor of the invention
Shield scope should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device, including the first oil cylinder（5）, second
Oil cylinder（17）And horizontal guide rail（6）, it is characterised in that：First oil cylinder（5）Level is vertically fixedly installed on by its cylinder barrel to lead
Rail（6）One end, second oil cylinder（17）Horizontal guide rail is horizontally set on by its cylinder barrel（6）The other end, it is described first oil
Cylinder（5）Piston-rod end be provided with cantilever lever, the cantilever lever and be provided with holder, the upper holder is just to bottom
Horizontal guide rail（6）On be provided between lower holder, upper and lower holder and gripped sample（1）；On the lower holder
It is connected with coaxial motor（20）, the sample（1）In coaxial motor（20）It is rotated by；The horizontal guide rail（6）It is upper to set
There is sanding component, the sanding component is by second oil cylinder（17）Driving, the sanding component includes cross sliding clock（7）With it is perpendicular
Straight guide（10）, the cross sliding clock（7）With horizontal guide rail（6）It is slidably matched, the upright guide rail（10）Upper slip is provided with
Vertical sliding block（8）, the vertical sliding block（8）Outside be fixed with grinding stone（16）, the vertical sliding block（8）Driving dress is installed
Put, under the driving of the drive device, vertical sliding block（8）Can be in upright guide rail（10）On do and up and down reciprocatingly slide；It is described
Vertical sliding block（8）On be provided with servo-actuated cooling device, second oil cylinder（17）Piston rod end and the upright guide rail
（10）Connection.
2. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 1,
First oil cylinder（5）With second oil cylinder（17）By control system（201）Control, by inputting height and diameter parameters,
The control system（201）Can be by controlling the first oil cylinder（5）With the second oil cylinder（17）Flexible accurate Control Assay（1）System
The height and diameter of work.
3. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 1,
The upper holder is disposed with upper bearing (metal) from top to bottom（171）, upper bearing plate（31）With upper rubber mat plate（21）；It is described outstanding
Armed lever and upper bearing (metal)（171）Between be provided with fine setting fastening bolt（4）.
4. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 3,
The lower holder is disposed with lower rubber mat plate from top to bottom（22）, lower bearing plate（31）, lower bearing（172）, it is described under
Bearing（172）Bottom is connected with coaxial motor by rotating shaft（20）.
5. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 1,
The servo-actuated cooling device is to be fixed on vertical sliding block（8）On cooling water pipe（12）, cooling water pipe（12）Water side set
Have just to sample（1）Hole for water spraying（9）, water inlet end connection cooling water pump, also worn between the water inlet end and the water side
There is adjustable spring（121）.
6. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 5,
The vertical sliding block（8）With the grinding stone（16）Middle part set perforation, the upright guide rail（10）For hollow-core construction（11）, institute
State cooling water pipe（12）Main body is placed on the hollow-core construction（11）Interior, the water side is located in the perforation, it is described enter
Water end (W.E.) is fixed on upright guide rail（10）Upper end.
7. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 1,
The vertical sliding block（8）With upright guide rail（10）Between be additionally provided with spiral expanding device（3）, the spiral expanding device（3）
It can compensate for grinding stone（16）Wear-thickness and fine setting grinding stone（16）With sample（1）The distance between.
8. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 4,
The upper bearing plate（31）, upper rubber mat plate（21）Center pass through the first spring（131）It is connected with steel thimble
（141）, the lower bearing plate（32）, lower rubber mat plate（22）Center pass through second spring（132）It is connected with lower steel top
Pin（142）, the upper steel thimble（141）With lower steel thimble（142）Top is located at sample（1）Central point.
9. a kind of water-saving rock automatically adjusted or concrete cylindrical sample producing device according to claim 8,
The sample（1）Utilize cutting machine that into square, cross-sectional cut is installed into sample before polishing（1）In preceding utilization pencil connection
The quick centre of location point of diagonal of lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710292968.XA CN107063802B (en) | 2017-04-28 | 2017-04-28 | A kind of rock or concrete cylindrical sample producing device of water-saving automatic adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710292968.XA CN107063802B (en) | 2017-04-28 | 2017-04-28 | A kind of rock or concrete cylindrical sample producing device of water-saving automatic adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107063802A true CN107063802A (en) | 2017-08-18 |
| CN107063802B CN107063802B (en) | 2019-08-09 |
Family
ID=59604199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710292968.XA Active CN107063802B (en) | 2017-04-28 | 2017-04-28 | A kind of rock or concrete cylindrical sample producing device of water-saving automatic adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063802B (en) |
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| CN107860623A (en) * | 2017-11-07 | 2018-03-30 | 中国矿业大学 | A kind of soft rock processing experiment device and its test method |
| CN108844798A (en) * | 2018-06-29 | 2018-11-20 | 河南理工大学 | A kind of dumbbell shape rock sample preparation facilities and processing method |
| CN110057638A (en) * | 2019-04-17 | 2019-07-26 | 河海大学 | A kind of cylindrical sample preparation facilities |
| CN110057637A (en) * | 2019-04-17 | 2019-07-26 | 河海大学 | A kind of cylinder rock sample polishing preparation facilities |
| CN112082842A (en) * | 2020-08-04 | 2020-12-15 | 河海大学 | Processing device for manufacturing dumbbell-shaped rock sample in laboratory |
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| CN112082842B (en) * | 2020-08-04 | 2021-07-20 | 河海大学 | Processing device for manufacturing dumbbell-shaped rock sample in laboratory |
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| Publication number | Publication date |
|---|---|
| CN107063802B (en) | 2019-08-09 |
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