CN108168981A - Laboratory standard test specimen makes and demoulding integrated device and its operating method - Google Patents
Laboratory standard test specimen makes and demoulding integrated device and its operating method Download PDFInfo
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- CN108168981A CN108168981A CN201810155999.5A CN201810155999A CN108168981A CN 108168981 A CN108168981 A CN 108168981A CN 201810155999 A CN201810155999 A CN 201810155999A CN 108168981 A CN108168981 A CN 108168981A
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000011017 operating method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
Classifications
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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
- G01N1/28—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
- G01N1/36—Embedding or analogous mounting of samples
-
- 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
- G01N1/36—Embedding or analogous mounting of samples
- G01N2001/366—Moulds; Demoulding
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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)
- Sampling And Sample Adjustment (AREA)
Abstract
Laboratory standard test specimen makes and demoulding integrated device, including mounting bracket, press cylinder and mold, mounting bracket includes bottom plate, fixed plate, left support plate and right support plate, bottom plate is horizontally disposed, feed opening is offered in the middle part of fixed plate, mold is arranged in fixed plate and right over feed opening, two, which are fixed with, between at the top of left support plate and at the top of right support plate is arranged side by side from front to back crossbeam, press cylinder is vertically assemblied in the mounting hole of installing plate, and the piston rod of press cylinder sets and is connected with push plate vertically downward；The present invention discloses a kind of laboratory standard test specimens to make the operating method with demoulding integrated device, in conclusion the present invention can save manpower, reduces noise nuisance, and ensure that test specimen is complete.
Description
Technical field
The present invention relates to laboratory standard test specimens to make and demoulding integrated device and its operating method.
Background technology
In recent years, laboratory assumes responsibility for a large amount of state research project, solves the problems, such as a series of crucial science and technologies,
Achieve the achievement in research of large quantities of high quality.In view of this laboratory experiment is particularly important, particularly in mineral engineering
Roadway support field.Carrying out laboratory experiment must just carry out largely testing the preparation of test specimen, the system of experimental standard test specimen
Acquisition is drilled through by core for having plenty of, has plenty of and is formulated by equivalent material simulating.At present, for equivalent material simulating
Prepared by the standard specimen being formulated, complicated for operation during analog material is added to corresponding mould, without corresponding
Specification step more lacks corresponding equipment, and laboratory demoulding is manually to be pounded to fall demoulding with hammer, and this stripping means not only generate
A large amount of noise, and experiment test specimen is often made to lack stupefied arrisdefect, ring experiment test specimen and mold, neither energy conservation and environmental protection are broken, also to reality
Result is tested to have a great impact.
Invention content
The present invention to solve the above-mentioned problems, provide it is a kind of it is simple in structure, easy to operate, avoid generating noise during demoulding
Laboratory standard test specimen make portable unit and its operating method.
To solve the above-mentioned problems, the present invention adopts the following technical scheme that:Laboratory standard test specimen makes and demoulding one
Device, including mounting bracket, press cylinder and mold, mounting bracket includes bottom plate, fixed plate, left support plate and right support plate, bottom
Plate is horizontally disposed, and left support plate and right support plate are arranged in vertical, the bottom of left support plate and right support plate
Bottom be separately fixed at the left and right sides of bottom plate, fixed plate is horizontally fixed between left support plate and right support plate and is located at
The surface of bottom plate offers feed opening in the middle part of fixed plate, and mold is arranged in fixed plate and right over feed opening, left
Two are fixed between at the top of support plate and at the top of right support plate and is arranged side by side from front to back crossbeam, and two crossbeams are along left and right horizontal
Direction is set, and installing plate is equipped between two crossbeams, offers mounting hole on installing plate, press cylinder vertically assembles
In the mounting hole of installing plate, the piston rod of press cylinder sets and is connected with push plate vertically downward, and press cylinder is located at
The surface of mold.
Mold includes mould cylinder, limit base, demoulding spacing ring and die cap, offers through-hole on limit base, limit base is fixed on
Fixed plate upper surface, the radius of through-hole are more than the radius of blanking hole, and the internal diameter of blanking hole is more than the internal diameter of mould cylinder and less than mould cylinder
Outer diameter.
Mould cylinder is transparent tube structure, demoulds the inner wall of spacing ring, die cap inner wall offers internal thread, mould cylinder
Upper and lower end offer with demoulding spacing ring and the external screw thread that connect of die cap inner thread, demoulding spacing ring is justifies
The outer diameter of tube structure, demoulding spacing ring and die cap is equal and less than through-hole internal diameter 0.5-1mm.
Plate upper surface is fixed with positioning tube and buffer spring immediately below feed opening, positioning tube, buffer spring, liquid
Cylinder pressure, through-hole and feed opening are coaxially set；Buffer spring is located in positioning tube, and the upper end of buffer spring is provided with along positioning tube
The buffer board that inner wall slides.
The feeding chamber of open top is further included, the opposite side of two crossbeams offers the sliding slot positioned at left side, adds respectively
The front side of feed bin and rear side are respectively equipped with sliding block, and feeding chamber is slidably connected at by two sliding blocks in two sliding slots, feeding chamber
It is equipped with handle in the middle part of front side, the bottom of feeding chamber is connected be tilted to the right setting and cross section in upper coarse and lower fine conical structure
Feed tube, the lower end of feed tube are equipped with the discharge port positioned at feeding chamber lower right, discharging valve plate are equipped at the discharge port of feeding chamber.
Laboratory standard test specimen makes the operating method with demoulding integrated device, includes the following steps：
（1）Mould cylinder is installed：A mould cylinder is taken out, a die cap is mounted on to the lower end of mould cylinder, the mould that then will be equipped with die cap
Cylinder one end is placed in the through-hole in limit base；
（2）Load analog material：By analog material addition in feeding chamber, hand-held handle moves right feeding chamber, feeding chamber to
It moves right to sliding slot right end, at this point, the discharge port of feeding chamber is placed exactly in the surface of mould cylinder 6 and feeding chamber does not contact, opens
The discharging valve plate of feeding chamber, analog material is flowed by discharge port in mould cylinder, when analog material falls into mould cylinder internal volume 1/3-
When 1/4, the discharging valve plate of feeding chamber is closed；
（3）The analog material being compacted in mould cylinder：Feeding chamber is removed to the left, starts press cylinder, the piston rod of press cylinder
It stretches out and pushes down on push plate, push plate extend into mould cylinder and analog material is compacted, after analog material compacting, pressurized fluid
The piston rod of cylinder pressure withdraws and brings up push plate, and push plate is detached from depanning cylinder；
（4）Step is repeated several times（2）-（3）, until after the analog material in mould cylinder is fully filled with mould cylinder and is compacted, by other one
A die cap is mounted on mould cylinder upper end, after installation is complete, removes mould cylinder from limit base；
（5）The mould cylinder removed is placed 10-15 days, then carries out the demoulding work of laboratory standard test specimen, so far completes experiment
The preparation of room standard specimen.
Step（5）In the release method of laboratory standard test specimen be：The die cap of mould cylinder lower end is removed, spacing ring will be demoulded
The lower end of mould cylinder is assemblied in, the lower end for demoulding spacing ring is flushed with the lower end of mould cylinder, the mould that will then be equipped with demoulding spacing ring
Cylinder one end is mounted in the through-hole of limit base, starts press cylinder, the piston rod of press cylinder, which is stretched out and pushed down on, to be pushed away
Plate, push plate are stretched into mould cylinder and by the downward launch mode cylinders of laboratory standard test specimen, and laboratory standard test specimen falls on slow from feed opening
It rushes on guide plate, under the action of buffer spring, mitigates the falling impacts to standard specimen, standard specimen lower part falls on positioning tube
It is interior, standard specimen is avoided to skew.
Above-mentioned technical proposal is used, the invention has the advantages that：Analog material is carried out using hydraulic pressurization cylinder
Be compacted repeatedly, analog material made to be sufficient filling in mould cylinder, avoid because after test specimen completes it is intermediate have gap due to experiment
Influence caused by data using feeding chamber to adding analog material in mould cylinder, when needing to add analog material, need to will only feed
Storehouse moves right to the right end of sliding slot, then opens discharging valve plate, avoids operator and contacts analog material with hand
Process, the internal diameter of limit base, in charging or demoulding, need to only install mould cylinder slightly larger than die cap and the outer diameter for demoulding spacing ring
It upper mould cover or demoulds spacing ring and puts on limit base, whole process is very simple and convenient, limit base and die cap and takes off
Mould cylinder will not shake during the cooperation of mould spacing ring may insure to feed and demould, make operation more safety and conveniently,
Test specimen further ensures the complete of test specimen after mold abjection, and positioning tube, buffering guide plate and buffer spring prevent standard to try
Part freely falls and is damaged during demoulding.
In conclusion the configuration of the present invention is simple, reasonable design, are demoulded for test specimen using hydraulic pressurization cylinder, effectively reduced
The noise that generates during whole operation simultaneously ensures that test specimen is intact, and the accuracy for experimental data provides guarantee.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the structure diagram of mold and die cap；
Fig. 4 is the structure diagram of mold and demoulding spacing ring.
Specific embodiment
As shown in Figs 1-4, laboratory standard test specimen of the invention is made with demoulding integrated device, including mounting bracket, pressurization
The feeding chamber 10 of hydraulic cylinder 5, mold and open top, mounting bracket include bottom plate 1, fixed plate 2, left support plate 3 and right support plate
4, bottom plate 1 is horizontally disposed, and left support plate 3 and right support plate 4 are arranged in vertical, the bottom of left support plate 3 and
The bottom of right support plate 4 is separately fixed at the left and right sides of bottom plate 1, and fixed plate 2 is horizontally fixed on left support plate 3 and right support plate
Between 4 and positioned at the surface of bottom plate 1, the middle part of fixed plate 2 offers feed opening, and mold is arranged in fixed plate 2 and position
Two, which are fixed with, right over feed opening, between 4 top of 3 top of left support plate and right support plate is arranged side by side from front to back crossbeam
14, two crossbeams 14 are set along left and right horizontal direction, and installing plate 15 is equipped between two crossbeams 14, is offered on installing plate 15
Mounting hole, press cylinder 5 are vertically assemblied in the mounting hole of installing plate 15, and the piston rod of press cylinder 5 is vertical
Down-set and be connected with push plate 9, press cylinder 5 is located at the surface of mold.
Mold includes mould cylinder 6, limit base 7, demoulding spacing ring 8 and die cap 17, and through-hole, limit base 7 are offered on limit base 7
Be fixed on 2 upper surface of fixed plate, the radius of through-hole is more than the radius of blanking hole, the internal diameter of blanking hole be more than the internal diameter of mould cylinder 6 and
Less than the outer diameter of mould cylinder 6.
Mould cylinder 6 is transparent tube structure, and inner wall, 17 inner wall of die cap of demoulding spacing ring 8 offer internal thread,
The upper and lower end of mould cylinder 6 offers the external screw thread being connect with demoulding spacing ring 8 and 17 inner thread of die cap, demoulding limit
Position ring 8 is cylindrical structure, and demoulding spacing ring 8 is equal with 17 outer diameters of die cap and less than through-hole internal diameter 0.5-1mm.
1 upper surface of bottom plate is fixed with positioning tube 13 and buffer spring 20 immediately below feed opening, positioning tube 13, buffering
Spring 20, hydraulic cylinder 5, through-hole and feed opening are coaxially set；Buffer spring 20 is located in positioning tube 13, buffer spring 20 it is upper
End is provided with the buffer board 21 slided along 13 inner wall of positioning tube.
The opposite side of two crossbeams 14 offers the sliding slot positioned at 5 left sides, the front side of feeding chamber 10 and rear side point respectively
Not She You sliding block 16, feeding chamber 10 is slidably connected at by two sliding blocks 14 in two sliding slots 18, in the middle part of the front side of feeding chamber 10
Equipped with handle 11, the bottom of feeding chamber 10 is connected with the guide that be tilted to the right setting and cross section are in upper coarse and lower fine conical structure
Cylinder, the lower end of feed tube are equipped with the discharge port 19 positioned at 10 lower right of feeding chamber, discharging are equipped at the discharge port 19 of feeding chamber 10
Valve plate 12.
The laboratory standard test specimen of the present invention makes the operating method with demoulding integrated device, includes the following steps：
（1）Mould cylinder is installed：A mould cylinder 6 is taken out, a die cap 17 is mounted on to the lower end of mould cylinder 6, then die cap will be installed
17 6 one end of mould cylinder is placed in the through-hole in limit base 7；
（2）Load analog material：By analog material addition in feeding chamber 10, hand-held handle 11 moves right feeding chamber 10, adds
Feed bin 10 moves right to 18 right end of sliding slot, at this point, the discharge port 19 of feeding chamber 10 is placed exactly in surface and the charging of mould cylinder 6
Storehouse 10 does not contact 5, opens the discharging valve plate 12 of feeding chamber 10, analog material is flowed by discharge port 19 in mould cylinder 6, when similar material
When material falls into mould cylinder internal volume 1/3-1/4, the discharging valve plate 12 of feeding chamber 10 is closed；
（3）The analog material being compacted in mould cylinder 6：Feeding chamber 10 is removed to the left, starts press cylinder 5, the work of press cylinder 5
Stopper rod stretches out and pushes down on push plate 9, and push plate 9 extend into mould cylinder 6 and analog material is compacted, analog material compacting
Afterwards, the piston rod of press cylinder 5 withdraws and brings up push plate 9, and push plate 9 is detached from depanning cylinder 6；
（4）Step is repeated several times（2）-（3）, until after the analog material in mould cylinder 6 is fully filled with mould cylinder 6 and is compacted, it will in addition
One die cap 17 is mounted on 6 upper end of mould cylinder, after installation is complete, removes mould cylinder 6 from limit base 7；
（5）The mould cylinder removed is placed 10-15 days, then carries out the demoulding work of laboratory standard test specimen, so far completes experiment
The preparation of room standard specimen.
Step（5）In the release method of laboratory standard test specimen be：The die cap 17 of 6 lower end of mould cylinder is removed, demoulding is limited
Position ring 7 is assemblied in the lower end of mould cylinder 6, and the lower end of demoulding spacing ring 7 is flushed with the lower end of mould cylinder 6, will then be equipped with demoulding limit
6 one end of mould cylinder of position ring 7 is mounted in the through-hole of limit base 7, starts press cylinder 5, and the piston rod of press cylinder 5 stretches out
And push plate 9 is pushed down on, push plate 9 is stretched into mould cylinder 6 and by the downward launch mode cylinder 6 of laboratory standard test specimen, and then laboratory is marked
Quasi- test specimen is fallen on from feed opening on buffering guide plate 21, under the action of buffer spring 20, mitigates the falling impacts to standard specimen,
Standard specimen lower part is fallen in positioning tube 13, and standard specimen is avoided to skew.
The present embodiment is every according to this hair not to the limitation of works in any form such as shape, material, the structures of the present invention
Any simple modification, equivalent change and modification that bright technical spirit makees above example, belongs to the technology of the present invention side
The protection domain of case.
Claims (7)
1. laboratory standard test specimen makes and demoulding integrated device, it is characterised in that：Including mounting bracket, press cylinder and mould
Tool, mounting bracket include bottom plate, fixed plate, left support plate and right support plate, and bottom plate is horizontally disposed, left support plate and right branch
Fagging is arranged in vertical, and the bottom of left support plate and the bottom of right support plate are separately fixed at the left and right sides of bottom plate,
Fixed plate is horizontally fixed between left support plate and right support plate and is offered in the middle part of the surface of bottom plate, fixed plate
Feed opening, mold are arranged in fixed plate and right over feed openings, solid between right support plate top at the top of left support plate
There are two to be arranged side by side from front to back crossbeam, two crossbeams are set along left and right horizontal direction, and installation is equipped between two crossbeams surely
Plate offers mounting hole on installing plate, and press cylinder is vertically assemblied in the mounting hole of installing plate, press cylinder
Piston rod set vertically downward and be connected with push plate, press cylinder is located at the surface of mold.
2. laboratory standard test specimen according to claim 1 makes and demoulding integrated device, it is characterised in that：Mold includes
Mould cylinder, limit base demould spacing ring and die cap, offer through-hole on limit base, limit base is fixed on fixed plate upper surface, through-hole
Radius be more than the radius of blanking hole, the internal diameter of blanking hole is more than the internal diameter of mould cylinder and less than the outer diameter of mould cylinder.
3. laboratory standard test specimen according to claim 2 makes and demoulding integrated device, it is characterised in that：Mould cylinder is upper
Under penetrating tube structure, demould the inner wall of spacing ring, die cap inner wall offers internal thread, the upper and lower end of mould cylinder
The external screw thread being connect with demoulding spacing ring and die cap inner thread is offered, demoulding spacing ring is cylindrical structure, and demoulding limits
The outer diameter of position ring and die cap is equal and less than through-hole internal diameter 0.5-1mm.
4. laboratory standard test specimen according to claim 3 makes and demoulding integrated device, it is characterised in that：Bottom plate upper table
Face is fixed with positioning tube and buffer spring immediately below feed opening, positioning tube, buffer spring, hydraulic cylinder, through-hole and blanking
Mouth is coaxially set；Buffer spring is located in positioning tube, and the upper end of buffer spring is provided with the buffering slided along positioning tube inner wall
Plate.
5. laboratory standard test specimen according to claim 4 makes and demoulding integrated device, it is characterised in that：Further include top
The feeding chamber of portion's opening, the opposite side of two crossbeams offer the sliding slot positioned at left side, the front side of feeding chamber and rear side respectively
Sliding block is respectively equipped with, feeding chamber is slidably connected at by two sliding blocks in two sliding slots, and handle is equipped in the middle part of the front side of feeding chamber,
The bottom of feeding chamber is connected with the feed tube that be tilted to the right setting and cross section are in upper coarse and lower fine conical structure, under feed tube
End is equipped with the discharge port positioned at feeding chamber lower right, and discharging valve plate is equipped at the discharge port of feeding chamber.
6. laboratory standard test specimen according to claim 5 makes the operating method with demoulding integrated device, feature exists
In；Include the following steps：
（1）Mould cylinder is installed：A mould cylinder is taken out, a die cap is mounted on to the lower end of mould cylinder, the mould that then will be equipped with die cap
Cylinder one end is placed in the through-hole in limit base；
（2）Load analog material：By analog material addition in feeding chamber, hand-held handle moves right feeding chamber, feeding chamber to
It moves right to sliding slot right end, at this point, the discharge port of feeding chamber is placed exactly in the surface of mould cylinder and feeding chamber does not contact, opens and add
The discharging valve plate of feed bin, analog material is flowed by discharge port in mould cylinder, when analog material falls into mould cylinder internal volume 1/3-1/4
When, close the discharging valve plate of feeding chamber；
（3）The analog material being compacted in mould cylinder：Feeding chamber is removed to the left, starts press cylinder, the piston rod of press cylinder
It stretches out and pushes down on push plate, push plate extend into mould cylinder and analog material is compacted, after analog material compacting, pressurized fluid
The piston rod of cylinder pressure withdraws and brings up push plate, and push plate is detached from depanning cylinder；
（4）Step is repeated several times（2）-（3）, until after the analog material in mould cylinder is fully filled with mould cylinder and is compacted, by other one
A die cap is mounted on mould cylinder upper end, after installation is complete, removes mould cylinder from limit base；
（5）The mould cylinder removed is placed 10-15 days, then carries out the demoulding work of standard specimen, so far completes standard specimen
It prepares.
7. laboratory standard test specimen according to claim 6 makes the operating method with demoulding integrated device, feature exists
In：Step（5）In the release method of standard specimen be：The die cap of mould cylinder lower end is removed, by demoulding spacing ring assembling in mould cylinder
Lower end, the lower end for demoulding spacing ring flushes with the lower end of mould cylinder, will then be equipped with mould cylinder one end installation of demoulding spacing ring
In the through-hole of limit base, start press cylinder, the piston rod of press cylinder stretches out and pushes down on push plate, and push plate is stretched into
In mould cylinder and by the downward launch mode cylinder of standard specimen, standard specimen is fallen on from feed opening on buffering guide plate, in the work of buffer spring
Under, mitigate the falling impacts to standard specimen, standard specimen lower part is fallen in positioning tube, and standard specimen is avoided to skew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155999.5A CN108168981A (en) | 2018-02-24 | 2018-02-24 | Laboratory standard test specimen makes and demoulding integrated device and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155999.5A CN108168981A (en) | 2018-02-24 | 2018-02-24 | Laboratory standard test specimen makes and demoulding integrated device and its operating method |
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| CN108168981A true CN108168981A (en) | 2018-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155999.5A Pending CN108168981A (en) | 2018-02-24 | 2018-02-24 | Laboratory standard test specimen makes and demoulding integrated device and its operating method |
Country Status (1)
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| CN (1) | CN108168981A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681307A (en) * | 2018-07-26 | 2018-10-19 | 西安科技大学 | Test specimen demoulds fully automatic electric fluid servo system and release method |
| CN109624029A (en) * | 2018-12-14 | 2019-04-16 | 河海大学 | A kind of screening compacting automatic demoulding integrated device and compacting release method |
| CN110333110A (en) * | 2019-06-11 | 2019-10-15 | 河海大学 | A kind of closely knit grittiness preparation of soil sample device of triaxial test |
| CN110618005A (en) * | 2019-09-06 | 2019-12-27 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN114428006A (en) * | 2021-12-31 | 2022-05-03 | 中国矿业大学 | Weak cemented rock sample preparation device and preparation method |
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| CN107214836A (en) * | 2017-06-23 | 2017-09-29 | 长安大学 | A kind of portable concrete stripper |
| CN206990298U (en) * | 2017-07-21 | 2018-02-09 | 中国水利水电第五工程局有限公司 | A kind of making of inorganic binder test specimen and stripper apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681307A (en) * | 2018-07-26 | 2018-10-19 | 西安科技大学 | Test specimen demoulds fully automatic electric fluid servo system and release method |
| CN109624029A (en) * | 2018-12-14 | 2019-04-16 | 河海大学 | A kind of screening compacting automatic demoulding integrated device and compacting release method |
| CN110333110A (en) * | 2019-06-11 | 2019-10-15 | 河海大学 | A kind of closely knit grittiness preparation of soil sample device of triaxial test |
| CN110618005A (en) * | 2019-09-06 | 2019-12-27 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN110618005B (en) * | 2019-09-06 | 2022-04-29 | 山东科技大学 | Preparation device and preparation method for similar simulation material cylindrical standard test piece |
| CN114428006A (en) * | 2021-12-31 | 2022-05-03 | 中国矿业大学 | Weak cemented rock sample preparation device and preparation method |
| CN114428006B (en) * | 2021-12-31 | 2024-01-30 | 中国矿业大学 | Weak cemented rock sample preparation device and preparation method |
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Application publication date: 20180615 |