CN107901248A - A kind of hole slot rock sample processing unit (plant) - Google Patents
A kind of hole slot rock sample processing unit (plant) Download PDFInfo
- Publication number
- CN107901248A CN107901248A CN201711099161.0A CN201711099161A CN107901248A CN 107901248 A CN107901248 A CN 107901248A CN 201711099161 A CN201711099161 A CN 201711099161A CN 107901248 A CN107901248 A CN 107901248A
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- cutting
- hole slot
- rock
- rack
- plant
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- 239000011435 rock Substances 0.000 title claims abstract description 85
- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 72
- 230000033001 locomotion Effects 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/22—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
- B28D7/043—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work the supporting or holding device being angularly adjustable
-
- 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
- G01N2001/2873—Cutting or cleaving
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Health & Medical Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of hole slot rock sample processing unit (plant), including rack, rock clamping part and hole slot cutting part, rock clamping part and hole slot cutting part are installed in rack, rock clamping part can be realized front and rear, move left and right, hole slot cutting part is arranged at the top of rock clamping part and can move up and down along rack, hole slot cutting part includes driving device, linear guide rail device and cutting are bent, cutting bow is installed on linear guide rail device, driving device driving cutting is bent along linear guide rail device side-to-side movement, it is provided with cutting bow for the metallic cable saw for cutting rock or thin narrow saw blade.The present invention is using the frictional cutting of steel wire rope or thin narrow saw blade, and energy held stationary, will not cause rock edge to crumble when switching in and out, by controlling the span of cutting bow to realize the processing of large-sized hole slot rock sample, overall structure is simple, and manufacture cost is relatively low, easy to utilize.
Description
Technical field
The present invention relates to a kind of hole slot rock sample processing unit (plant), more particularly to a kind of large scale simple in structure, achievable
The processing unit (plant) that hole rock sample is quickly accurately cut.
Background technology
Rock mechanics experiment is to study the engineering safeties such as mine chamber, tunnel, side slope, water conservancy and the important hand of stability
One of section, the formation to natural calamities such as understanding earthquakes also have great meaning.The mankind are to the understanding of the Mechanical Characters of Composite Ground of rock
From on-test, the shaping and development and test method of rock mechanics theory are closely bound up.The mechanical stae of rock includes rock
Intensity, deformation and its dynamics and permeability under residing physics, chemical environment etc..Rock mechanics laboratory test is mainly wrapped
Uniaxial compression, triaxial compressions, uniaxial tension, direct shearing, permeability test etc. are included, currently used for the mostly complete of rock mechanics experiment
Whole cylinder or square coupons, a few studies use the research of hole slot rock sample.Said sample is easy to process, but is specifically studying
During it is excessively preferable.In recent years, conducted a research using hole rock sample, but hole rock is difficult to process again, and at present,
The mode of cutting generally use rotary disc-type cutter cutting to rock, there are the following problems for this kind of cutting mode：1st, due to
Rock is the material that hardness is big, brittleness is high, and in the circular cutter cutting of embedding diamond, rock edge easily crumbles；2nd, for
Large-sized rock, the cutting of big thickness can not be completed using disc cutter, all larger simultaneously for horizontal and vertical size
Rock pore, general Rock cutting instrument can not be completed.
The content of the invention
Present invention aims at provide it is a kind of it is simple in structure, for rock mass to be cut it is edge-protected preferably can complete greatly
The rock sample processing machine of size hole slot rock sample processing.
To achieve the above object, the invention discloses a kind of hole slot rock sample processing unit (plant), including rack, rock to clamp
Portion and hole slot cutting part, the rock clamping part and hole slot cutting part are installed in rack, and the rock clamping part can be with
Around realization, move up and down.The hole slot cutting part is arranged at the top of rock clamping part and is transported up and down along the rack
Dynamic, the hole slot cutting part includes driving device, linear guide rail device and cutting bow, and the cutting bow is led installed in the straight line
On rail device, the driving device driving cutting bow is set along the linear guide rail device side-to-side movement, described cut on bow
The metallic cable for cutting rock is equipped with, the friction cuttings by metallic cable to rock are more steady when switching in and out, will not
Cause rock edge to crumble, while can realize the processing of all larger rock pore of horizontal and vertical size, enrich rock power
Learn the species of test sample.
Further, the linear guide rail device includes two transverse axis, four bearings and two bearing tie-beams, appoints
It is socketed with two bearings in one transverse axis, the bearing in the different transverse axis is oppositely arranged and passes through institute
State bearing tie-beam to connect two-by-two, the both ends of the cutting bow are respectively and fixedly connected on a bearing tie-beam, pass through this kind of axis
Screw is held, accurate movement locus when ensure that cutting bow side-to-side movement, ensure that the precision of empty slot rock sample processing.
Further, the driving device includes motor, gear and rack, the both ends of the rack respectively with the bearing
Tie-beam is affixed, and the motor is fixed on the mounting platform, and the affixed gear of its output shaft is engaged with the rack
Transmission, by this kind of gear-rack drive, simply realizes the reciprocating motion of cutting bow.
Further, the lower section at the cutting bow both ends is removable is provided with a L-type fixed block, on the L-type fixed block
Be provided with through hole, the both ends of the metallic cable are fixed in the through hole, by by the both ends banding fixed of metallic cable described
In through hole, i.e., the cutter of cutting rock equal to Fast Installation.
Further, the Rock cutting portion further includes a mounting platform, the driving device, linear guide rail device and cuts
Cut bow to be installed on the mounting platform, the rack is closed-in construction, including four vertical optical axises, the mounting platform
Edge is provided with vertical bearing, and the vertical bearing is socketed with vertical optical axis, and in the vertical direction is socketed using bearing and optical axis
Mode, ensure that cutting bow in the vertical direction kinematic accuracy.
Further, the rack vertical direction is provided with the feed screw nut for driving the mounting platform to move up and down
Mechanism, the leadscrew-nut mechanism include the screw and nut of mutual spiral socket, and the nut and rack are affixed, the screw
Top handwheel is installed, the lower section of the screw is pivotally connected with the mounting platform, in use, can be simple by adjusting handwheel
Rapidly realize the up and down motion of cutting bow.
Further, the rock clamping part includes double-shaft moving platform and swivel vice, the double-shaft moving platform
Installed in the bottom of the rack, the swivel vice be installed on double-shaft moving platform on, double-shaft moving platform realize by
The X for the rock that swivel vice is clamped, the adjustment of Y-direction, with reference to vice rotation, it can be achieved that the tune of multiple angles of rock
It is whole.
Compared with prior art, the advantage of the invention is that：
1st, it is more steady when switching in and out using the frictional cutting of steel wire rope or thin narrow saw blade, rock edge will not be caused
Crumble；
2nd, by controlling the span of cutting bow to realize the cutting of all larger rock pore of horizontal and vertical size or rock,
Enrich the species of rock mechanics experiment sample；
3rd, overall structure is simple, easy to operate, and manufacture cost is relatively low, easy to utilize.
Below with reference to accompanying drawings, the present invention is described in further detail.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the axonometric schematic diagram of hole slot rock sample processing unit (plant) disclosed in the preferred embodiment of the present invention；
Fig. 2 is the schematic front view of hole slot rock sample processing unit (plant) disclosed in the preferred embodiment of the present invention；
Fig. 3 is the left view schematic diagram of hole slot rock sample processing unit (plant) disclosed in the preferred embodiment of the present invention；
Fig. 4 is that the rock clamping part of rock sample processing unit (plant) disclosed in the preferred embodiment of the present invention and the axis of hole slot cutting part are surveyed
Schematic diagram；
Fig. 5 is the schematic diagram of the multiple hole or groove using the preferably disclosed hole slot rock sample processing unit (plant) processing of the present invention.
Marginal data：
1st, rack；2nd, cutting bow；3rd, metallic cable；4th, transverse axis；5th, bearing；6th, bearing tie-beam；7th, L-type fixed block；8th, lead to
Hole；9th, mounting platform；10th, vertical optical axis；11st, vertical bearing；12nd, screw；13rd, nut；14th, motor；15th, gear；16th, tooth
Bar；17th, double-shaft moving platform；18th, swivel vice；19th, handwheel.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As Figure 1-Figure 4, the embodiment of the invention discloses a kind of left and right by controlling steel wire rope and up and down motion, profit
With the rock cutting device of the friction cuttings rock of steel wire rope, it integrally includes rack 1, rock clamping part and Rock cutting portion,
Wherein, rock clamping part and hole slot cutting part are installed in rack 1, hole slot cutting part be arranged at the top of rock clamping part and
It can move up and down along rack 1, hole slot cutting part includes driving device, linear guide rail device and cutting bow 2, and cutting bow 2 is installed on
On linear guide rail device, along linear guide rail device side-to-side movement, cutting bends to be provided with 2 to be used for driving device driving cutting bow 2
Cut the metallic cable 3 of rock（Thin narrow saw blade can also be used）.As shown in figure 5, by metallic cable 3 to the friction cuttings of rock,
It is more steady when switching in and out, rock edge will not be caused to crumble, while the main hole slot rock sample that the device can be realized,
The processing of all larger rock pore of especially horizontal and vertical size, enriches the species of rock mechanics experiment sample.
In the present embodiment, linear guide rail device includes two transverse axis, 4, four bearings 5 and two bearing tie-beams
6, it is socketed with two bearings 5 in any transverse axis 4, the bearing 5 in different transverse axis 4 is oppositely arranged and connects by bearing
Connect beam 6 to connect two-by-two, the both ends of cutting bow 2 are respectively and fixedly connected on a bearing tie-beam 6, by bearing 5 and transverse axis 4, are protected
The accuracy that card cutting bow 2 moves in the lateral direction, while also a movement locus is provided for cutting bow 2.
In the present embodiment, the lower section at 2 both ends of cutting bow is removable is provided with a L-type fixed block 7, is set on L-type fixed block 7
Through hole 8 is equipped with, wherein, by metallic cable 3（Conventional steel wire rope can be used）From through hole 8 through then binding in L-type fixed block 7
On, and L-type fixed block 7 can be fixed by screws on cutting bow 2.
In the present embodiment, hole slot cutting part further includes a mounting platform 9, driving device, linear guide rail device and cutting
Bow 2 is installed on mounting platform 9, and rack 1 be closed-in construction, including four vertical optical axises 10, the edge setting of mounting platform 9
There is vertical bearing 11, vertical bearing 11 is socketed with vertical optical axis 10, nested with vertical optical axis 10 by vertical bearing 11, is ensured
The accuracy that cutting bow 2 is moved in vertical direction, ensures that rock size in the vertical direction to be cut is more accurate.
In the present embodiment, 1 vertical direction of rack is provided with leadscrew-nut mechanism, including the mutually screw 12 of spiral socket
With nut 13, nut 13 and rack 1 are affixed, and the top of screw 12 is provided with handwheel 19, lower section and 9 pivot of mounting platform of screw 12
Connect, rock is cut in the up and down motion for driving mounting platform 9 by rotation hand wheel 19.
In the present embodiment, driving device includes motor 14, gear 15 and rack 16, the both ends of rack 16 respectively with bearing
Tie-beam 6 is affixed, and motor 14 is fixed on mounting platform 9, the affixed gear 15 of its output shaft and the engaged transmission of rack 16, its
In, 14 drive rack 16 of motor drives moving back and forth for cutting bow 2.
In the present embodiment, rock clamping part includes double-shaft moving platform 17 and swivel vice 18, double-shaft moving platform
17 are installed on the bottom of rack 1, it is possible to achieve the linear motion of X-direction and Y-direction, passes through bottom with reference to swivel vice 18
Turntable can realize the adjustment of the multiple angles of the rock of clamping, and wherein swivel vice 18 is put down by bolt installed in biaxial movement
On platform 17.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of hole slot rock sample processing unit (plant), it is characterised in that including rack（1）, rock clamping part and hole slot cutting part,
The rock clamping part and hole slot cutting part are installed in rack, and the hole slot cutting part is arranged at the top of rock clamping part
And along the rack（1）Move up and down, the hole slot cutting part includes driving device, linear guide rail device and cutting bow（2）, institute
State cutting bow（2）On the linear guide rail device, the driving device driving cutting bow（2）Led along the straight line
Rail device side-to-side movement, the cutting bow（2）On be provided with metallic cable for cutting rock（3）.
2. hole slot rock sample processing unit (plant) according to claim 1, it is characterised in that the linear guide rail device includes
Two transverse axis（4）, four bearings（5）With two bearing tie-beams（6）, any transverse axis（4）On be socketed with
Two bearings（5）, the different transverse axis（4）On the bearing（5）It is oppositely arranged and is connected by the bearing
Beam（6）Connect two-by-two, the cutting bow（2）Both ends be respectively and fixedly connected to a bearing tie-beam（6）On.
3. hole slot rock sample processing unit (plant) according to claim 2, it is characterised in that the driving device includes motor
（14）, gear（15）And rack（16）, the rack（16）Both ends respectively with the bearing tie-beam（6）It is affixed, the electricity
Machine（14）It is fixed in the mounting platform（9）On, the affixed gear of its output shaft（15）With the rack（16）Engagement passes
It is dynamic.
4. hole slot rock sample processing unit (plant) according to claim 1, it is characterised in that the cutting bow（2）Both ends
Lower section is removable to be provided with a L-type fixed block（7）, the L-type fixed block（7）On be provided with through hole（8）, the metallic cable（3）
Both ends be fixed on the through hole（8）It is interior.
5. hole slot rock sample processing unit (plant) according to claim 1, it is characterised in that the hole slot cutting part further includes
One mounting platform（9）, the driving device, linear guide rail device and cutting bow（2）It is installed in the mounting platform（9）On,
The rack（1）For closed-in construction, including four vertical optical axises（10）, the mounting platform（9）Edge be provided with vertical axis
Hold（11）, the vertical bearing（11）With vertical optical axis（10）Socket.
6. hole slot rock sample processing unit (plant) according to claim 5, it is characterised in that the rack（1）Vertical direction
It is provided with for driving the mounting platform（9）The leadscrew-nut mechanism of up and down motion, the leadscrew-nut mechanism include mutual
The screw of spiral socket（12）And nut（13）, the nut（13）With rack（1）It is affixed, the screw（12）Top installation
There is handwheel（19）, the screw（12）Lower section and the mounting platform（9）Pivot joint.
7. according to any hole slot rock sample processing unit (plant)s of claim 1-6, it is characterised in that the rock clamping part
Including double-shaft moving platform（17）And swivel vice（18）, the double-shaft moving platform（17）Installed in the rack（1）'s
Bottom, the swivel vice（18）Installed in double-shaft moving platform（17）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099161.0A CN107901248A (en) | 2017-11-09 | 2017-11-09 | A kind of hole slot rock sample processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711099161.0A CN107901248A (en) | 2017-11-09 | 2017-11-09 | A kind of hole slot rock sample processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107901248A true CN107901248A (en) | 2018-04-13 |
Family
ID=61844694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711099161.0A Pending CN107901248A (en) | 2017-11-09 | 2017-11-09 | A kind of hole slot rock sample processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107901248A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372855A (en) * | 2020-11-04 | 2021-02-19 | 陕西历史博物馆(陕西省文物交流中心) | Wall painting brickwork stripping equipment |
| CN113103443A (en) * | 2021-03-24 | 2021-07-13 | 中国地质科学院矿产资源研究所 | High-precision cutting equipment and method for rock sample |
| CN114260506A (en) * | 2022-01-21 | 2022-04-01 | 南通科邦机械有限公司 | Thin-wall pipeline cutting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173689Y (en) * | 1993-03-24 | 1994-08-10 | 山东省长清县科学技术委员会 | Vertical equal wall thickness circular arc stone sawing machine |
| EP0745046A1 (en) * | 1994-02-14 | 1996-12-04 | Henkel Kommanditgesellschaft auf Aktien | Container self-sealing closing process |
| CN201645671U (en) * | 2010-04-22 | 2010-11-24 | 潍坊恒远建材设备有限公司 | Swinging-frame type transverse cutting machine |
| CN201816144U (en) * | 2010-10-22 | 2011-05-04 | 济南大学 | Scroll sawing machine provided with tilting mechanism |
| CN202367866U (en) * | 2011-12-05 | 2012-08-08 | 中国地质大学（武汉） | Linear reciprocating type sawing device |
| CN203317576U (en) * | 2013-06-06 | 2013-12-04 | 湖南省科辉墙材有限公司 | Table type coal ash building block automatically cutting machine |
| CN106181728A (en) * | 2016-08-25 | 2016-12-07 | 中国有色桂林矿产地质研究院有限公司 | Open loop reciprocating diamond wire saw machine |
-
2017
- 2017-11-09 CN CN201711099161.0A patent/CN107901248A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173689Y (en) * | 1993-03-24 | 1994-08-10 | 山东省长清县科学技术委员会 | Vertical equal wall thickness circular arc stone sawing machine |
| EP0745046A1 (en) * | 1994-02-14 | 1996-12-04 | Henkel Kommanditgesellschaft auf Aktien | Container self-sealing closing process |
| CN201645671U (en) * | 2010-04-22 | 2010-11-24 | 潍坊恒远建材设备有限公司 | Swinging-frame type transverse cutting machine |
| CN201816144U (en) * | 2010-10-22 | 2011-05-04 | 济南大学 | Scroll sawing machine provided with tilting mechanism |
| CN202367866U (en) * | 2011-12-05 | 2012-08-08 | 中国地质大学（武汉） | Linear reciprocating type sawing device |
| CN203317576U (en) * | 2013-06-06 | 2013-12-04 | 湖南省科辉墙材有限公司 | Table type coal ash building block automatically cutting machine |
| CN106181728A (en) * | 2016-08-25 | 2016-12-07 | 中国有色桂林矿产地质研究院有限公司 | Open loop reciprocating diamond wire saw machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372855A (en) * | 2020-11-04 | 2021-02-19 | 陕西历史博物馆(陕西省文物交流中心) | Wall painting brickwork stripping equipment |
| CN113103443A (en) * | 2021-03-24 | 2021-07-13 | 中国地质科学院矿产资源研究所 | High-precision cutting equipment and method for rock sample |
| CN113103443B (en) * | 2021-03-24 | 2021-12-07 | 中国地质科学院矿产资源研究所 | High-precision cutting equipment and method for rock sample |
| CN114260506A (en) * | 2022-01-21 | 2022-04-01 | 南通科邦机械有限公司 | Thin-wall pipeline cutting device |
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Application publication date: 20180413 |