CN110303606A - A kind of portable protolith structural plane surface topography processing unit (plant) and its operating method - Google Patents
A kind of portable protolith structural plane surface topography processing unit (plant) and its operating method Download PDFInfo
- Publication number
- CN110303606A CN110303606A CN201910565662.6A CN201910565662A CN110303606A CN 110303606 A CN110303606 A CN 110303606A CN 201910565662 A CN201910565662 A CN 201910565662A CN 110303606 A CN110303606 A CN 110303606A
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- rock sample
- cutting
- rock
- cutter
- plant
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Classifications
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- 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
- B28D1/24—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 with cutting discs
-
- 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
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
It includes cutter structure, rock sample displacement structure and supplementary structure that the present invention, which provides a kind of portable protolith structural plane surface topography processing unit (plant) and its operating method, described device, and the cutter structure is two cutting motors being fixed on one piece of solid slab；The rock sample displacement structure includes that pedestal, the rock sample containing guide rail place chassis and rock sample position regulator；The supplementary structure includes upper and lower position adjustment structure, bracket, gear, rocking bar and connects the water-cooling system on cutter structure solid slab.The problems such as beneficial effects of the present invention: providing a kind of processing unit (plant) of structural plane model for direct shear test, and difficult effectively to solve existing rock structural face field sampling, sample preparation is at high cost, as a result unreliable；The operating method of this instrument is provided simultaneously.
Description
Technical field
The present invention relates to geotechnical engineering shop test equipment field more particularly to a kind of portable protolith structural plane surface shapes
Looks processing unit (plant) and its operating method.
Background technique
Rock contains structural plane under field environment, and rock often slides along structural plane in sliding, and sliding surface has
Certain fluctuating, i.e. roughness.The shear property of rock and the degree of roughness on surface are related, and the configuration of surface of rock is special to shearing
Property has a great impact.Choose field rock and study its shear property, can preferably with engineering site condition in contrast,
The applications such as theoretical and landslide control engineering relevant to structural plane are of great significance.
In order to study influence of the roughness to shear property, the prior art can only carry out rock sample using simulation material
Research, carry out simulation material test the advantages of be can be used same material carry out check experiment, there is presently no for protolith into
Control group is arranged for protolith in the sampling method of row check experiment, needs to make the protolith structural plane with similar face pattern.
The upper lower burrs of protolith structural plane structural plane in sampling, cutting, carrying and installation process shows form cracky, causes up and down
An important factor for goodness of fit in dish structure face is poor, and the configuration of surface of structural plane is its shearing strength of influence, can be to experimental result
Cause large error.
Summary of the invention
In view of this, the present invention provides a kind of portable protolith structural plane surface topography processing unit (plant) and its operation sides
Method can be used for making a series of rock sample models for direct shear test, make protolith structural plane surface topography having the same, with
Carry out the check experiment with the protolith structural plane of identical roughness.
The present invention provides a kind of portable protolith structure and puts to table to pattern processing unit (plant), including cutter structure, rock sample
Set structure and supplementary structure, in which:
The cutter structure includes two cutting motors being fixed on one piece of solid slab, the angle of the cutting motor
It can be adjusted, and the rotational line of the angle adjustment of two cutting motors is same straight line；
The rock sample displacement structure includes that pedestal, the rock sample containing guide rail place chassis and rock sample position regulator, institute
Rock sample position regulator is stated for fixing the left-right position of rock sample, is located on the chassis of the rock sample position, the rock sample position
Adjustment device and rock sample position chassis are placed on jointly on the pedestal containing guide rail；
The supplementary structure includes upper and lower position adjustment structure, bracket, gear, rocking bar and connects real in cutter structure
Water-cooling system on core, the upper and lower position adjustment structure connects the cutter structure and the bracket, for adjusting branch
At a distance from cutter structure, the cutter structure is located above the bracket frame, and the bracket covers the rock sample and puts
Structure is set, the rock sample displacement structure passes through before and after the bracket, and the gear connect the rock sample with the rocking bar and places
Chassis moves forward and backward on guide rail for controlling rock sample.
Further, the adjustment angle of the cutter structure is 0 to 90 degree, can fix and be checked with vernier protractor.
Further, when carrying out angle adjustment to cutting motor, what the edge and cutting motor of cutting motor were depended on
The vertical range of solid slab plane will change, and have upper and lower position adjustment to tie in the lower edge of bracket and the cutter structure
The lower edge of cutter structure can be adjusted to a fixed position using the adjustment structure by structure, then adjust cutting electricity again
The angle of machine is to reach cutting position.
Further, the rock sample position regulator is by rock sample position regulator top and rock sample position adjustment dress
Lower part composition is set, two parts formation agrees with structure, wherein rock sample position regulator lower part is by arranged side by side group of multiple cell blocks
It fills, square washer is contained between cell block, entire rock sample position regulator substructure is fixed on rock sample and places chassis
On, the cell block is equipped with front and back slot and left and right slot, wherein front and back slot is swallow-tail form, rock sample position regulator top
Top edge be fixedly connected with rock sample, lower edge has the upper block structure agreed with cell block, has on upper block structure and left and right slot pair
The convex body answered has dovetail v notch v corresponding with front and back slot on convex body, passes through and places a section phase being available with front and back slot
Same pin stick can fix the left-right position of rock sample, to form the positioning plate for determining each cutting position.
Further, the guide rail stretches out coverage area before and after bracket, conveniently removes the fritter rock sample being cut into.
The present invention also provides a kind of operating methods of portable protolith structural plane surface topography processing unit (plant), including following step
It is rapid:
S1, it considers boundary effect, first carries out the rock of cuboid in other simple cutting instruments without rule
The horizontal resection of sawtooth obtains the rock sample for needing to carry out zigzag fashion cutting；
S2, it is fixed on just by the rock sample that the cell block and upper block structure of rock sample position regulator will be cut
The center of beginning position, i.e. first zigzag cutting is corresponding with the dovetail v notch v of upper block structure, then integrally places this
On the pedestal containing guide rail, and the gear rocking lever system being moved forward and backward with controllable rock sample is connected；
The angle of S3, adjustment cutting gear, then adjust structure by upper and lower position and cutter lower edge are adjusted to one
A fixed position, then cutter adjusts distance h again and reaches cutting position, wherein distance h is the depth of cutting；
S4, it opens water-cooling system, open cutter switch, then rotating rocker moves rock sample along cut direction, this
When rock sample successively pass through two cutters, complete primary cutting, that is, form a zigzag fashion；
S5, etc. rock samples move out cut coverage, temporary close cutter switch, water-cooling system switch adjust rock sample under
One cutting position, i.e., move left and right rock sample by rock sample position regulator；
S6, rocking bar is continued to rotate, completes gear next time and cut, should be transported in rock sample in cutting process if any the block cut out
It is taken out in time after dynamic cut coverage out；
S7, take out complete zigzag cutting rock sample, on other cutting machines process other direction horizontal component to get
To final required rock sample.
Technical solution provided by the invention has the benefit that
(1) present invention solves the poor protolith structural plane sampling goodness of fit, destructible, the staight scissors examination that cannot do a variety of waviness
The problems such as testing, portable protolith structural plane surface topography processing unit (plant) provided by the invention are not influenced by size, and cutting angle can
It adjusts, has the characteristics that wide application, the sample preparation requirement of doors structure face experiment can be met；
(2) present invention can successively make the upper lower burrs test of structural plane, and the structural plane upper lower burrs made are using identical
Method, the goodness of fit is high, greatly improves the available rock sample range of direct shear test；
(3) portable protolith structural plane surface topography processing unit (plant) provided by the invention has simple and convenient for operation, use
Feature at low cost facilitates the check experiment research for carrying out rock sample.
Detailed description of the invention
Fig. 1 is the front view of portable protolith structural plane surface topography processing unit (plant) provided in an embodiment of the present invention；
Fig. 2 is the top view of portable protolith structural plane surface topography processing unit (plant) provided in an embodiment of the present invention；
Fig. 3 is the I-I sectional view of portable protolith structural plane surface topography processing unit (plant) provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of rock sample position regulator provided in an embodiment of the present invention；
Fig. 5 is the top and the bottom structure chart of rock sample position regulator provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram that rocker gear system control rock sample provided in an embodiment of the present invention is moved forward and backward；
Fig. 7 is the block figure that cut surface provided in an embodiment of the present invention and needs take out.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
The embodiment provides a kind of portable protolith structural plane surface topography processing unit (plant)s, including cutter knot
Structure, rock sample displacement structure and supplementary structure, please refer to Fig. 1, Fig. 2 and Fig. 3, in which:
Cutter structure is made of solid slab 1, cutting motor 2, and two cutting motors 2 are fixed on solid slab 1, cutting electricity
The angle of machine 2 can be adjusted, and the rotational line of two cutter angles adjustment is same straight line, adjusts the angle and spends for 0 to 90,
It can fix and be checked with vernier protractor；
Rock sample displacement structure places chassis 6 by pedestal 5, rock sample containing guide rail, rock sample position regulator 7 forms, and please join
Fig. 4 is read, rock sample position regulator 7 is made of rock sample position regulator top 71 and rock sample position regulator lower part 72,
Wherein rock sample position regulator lower part 72 is assembled side by side by multiple cell blocks 73, contains square washer between cell block 73
74, entire rock sample position regulator lower part 72 is fixed on rock sample and places on chassis 6.Referring to Fig. 5, before cell block 73 is equipped with
The top edge of pit 75 and left and right slot 76, rock sample position regulator top 71 is fixedly connected with rock sample, and lower edge has and unit
The upper block structure 77 that block 73 agrees with has convex body 78 corresponding with left and right slot 76 on upper block structure 77, has on convex body 78 and front and back slot
75 corresponding dovetail v notch vs 79, can be by a left side for rock sample by placing a pin stick identical with the section that front and back slot 75 is available
Right position is fixed, to form the positioning plate for determining each cutting position；
Supplementary structure adjusts structure 3, bracket 4, gear 8 by upper and lower position, and what is do not identified in rocking bar 9 and figure connects in reality
Water-cooling system composition on core 1, upper and lower position adjusts structure 3 and connects cutter structure and bracket 4, for adjusting bracket and cutting
The distance of cutter structure, referring to FIG. 6, gear 8 and rocking bar 9 move forward and backward on guide rail for controlling rock sample, cutter knot
Structure is located on bracket 4, and rock sample displacement structure is passed through from the front and back of bracket 4, and can move forward and backward in bracket 4, wherein in pedestal 5
Guide rail stretch out bracket 4 front and back coverage area, conveniently remove the fritter being cut into.
The rock sample size that the present embodiment provides is (100 × 100 × 100) mm, and wherein side boundary effect lengths are 10mm,
Rock sample depth of cut is 7mm, and cutting angle is 45 degree, cuts six broached-tooth designs altogether, and being left 6mm is that other side boundary effect is long
Degree, final cutting profile are as shown in phantom in Figure 7.
When practical operation, bracket 4 is first put well, the angle for adjusting two blades of cutting motor 2 is in 45 degree, and two cuttings
The angle of motor is directed toward difference, and direction difference is 180 degree, with the position on two sides of the isosceles triangle of a corresponding zigzag fashion
It sets.Cutting process is as follows: rock sample is cut into the boundary effect length of 10mm in other simple cutting instruments first, i.e., away from
The position of top surface 7mm is cut into the gap of 10mm depth；Then this rock sample is fixed on rock sample position regulator 7, such as Fig. 4 institute
Show, wherein the center of first zigzag cutting will be with the swallow-tail form on the upper block structure 77 on rock sample position regulator top 71
Notch 79 is corresponding, and places the cell block 73 and square washer 74 of chassis 6 over-assemble slot containing front and back 75 and left and right slot 76 in rock sample,
Wherein there are six cell blocks 73, the center of the zigzag fashion cut needed for the front and back slot 75 of adjustment unit block 73 is corresponding；Then will
The front and back slot 75 of dovetail v notch v 79 and first cell block 73 on the upper block structure 77 on rock sample position regulator top 71
It is corresponding, it is inserted into pin stick identical with 79 dove tail cross section of notch, just secures the left-right position of rock sample；Determine the top surface position of rock sample
It sets, the lower edge of cutting motor 2 is adjusted to rock sample top surface position by adjusting device 3 up and down, then adjust 7mm downwards,
That is rock sample, is then removed the coverage area of bracket 4 by depth of cut along guide rail, and opens the switch of water-cooling system and cutter 2,
Rotating rocker 9 makes rock sample to cutter structure motion, contacts with two cutting motors 2, completes first saw cut.
After having cut first sawtooth, temporary close water-cooling system and cutting motor are answered, takes out fritter A shown in fig. 7,
The combination position of adjustment unit block 73 and upper block structure 77 again, i.e., by the dovetail v notch v 79 of upper block structure 77 and second unit
The front and back slot 75 of block 73 is corresponding, is inserted into pin stick identical with dove tail cross section, is again started up water-cooling system and cutting motor, rotation is shaken
Bar 9 carries out the cutting of second sawtooth, has cut the fritter B that can be taken off after second sawtooth in Fig. 7.It repeats the above process, cuts
Rock sample taking-up is unloaded after having cut the 6th sawtooth, the boundary effect length cutting of the other side is completed on other cutters, i.e.,
Cutting to fritter C in Fig. 7 finally obtains serrated-surface shown in dotted lines in Figure 7.
The present embodiment has fully considered the feature of rock sample needed for direct shear test, can control protolith according to scheduled shape
Structural plane makes multiple jagged surfaces；It is once cut using two cutting blades, has simplified structure, and controlled
Accurately and reliably, a primary setting of sample processing is carried out, secondary adjustment angle is not necessarily to；The adjustment of rock sample position is tied by top and the bottom
Structure and pin stick are completed, and position adjustment is easy to operate, only need to be moved superstructure every time and are inserted into pin stick and fix, Neng Goujie
Structure is self-locking, ensure that the accurate of left-right position and stablizes；Compact overall structure, while the movable framework out of rock sample, it is convenient
Observation cut state simultaneously takes out the block that cutting is formed；Rock sample installs cut during only need to pay close attention to rock sample and leading
Moving forward and backward on rail, and controlled by rocking bar, enormously simplify operation.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of portable protolith structural plane surface topography processing unit (plant), which is characterized in that placed including cutter structure, rock sample
Structure and supplementary structure, in which:
The cutter structure includes one piece of solid slab and two cutting motors, is fixed on before and after the cutting motor described solid
On plate；
The rock sample displacement structure includes that pedestal, the rock sample containing guide rail place chassis and rock sample position regulator, the rock
Sample position regulator is used to fix the left-right position of rock sample, is located on the chassis of the rock sample position, the rock sample position adjustment
Device and rock sample position chassis are placed on jointly on the pedestal containing guide rail；
The supplementary structure includes upper and lower position adjustment structure, bracket, gear, rocking bar and connects in cutter structure solid slab
On water-cooling system, upper and lower position adjustment structure connects the cutter structure and the bracket, for adjust bracket with
The distance of cutter structure, the cutter structure are located above the bracket, and the bracket covers the rock sample and places knot
Structure, the rock sample displacement structure pass through before and after the bracket, and the gear connect the rock sample with the rocking bar and places chassis,
It is moved forward and backward on guide rail for controlling rock sample.
2. portable protolith structural plane surface topography processing unit (plant) according to claim 1, which is characterized in that the cutting
The angle of cutting motor in device structure can be adjusted, and the rotational line of the angle adjustment of two cutting motors is with always
Line is adjusted the angle and is spent for 0 to 90, can fix and be checked with vernier protractor.
3. portable protolith structural plane surface topography processing unit (plant) according to claim 1, which is characterized in that when to cutting
When motor carries out angle adjustment, the vertical range for the solid slab plane that the edge and cutting motor of cutting motor are depended on will occur
Variation is had upper and lower position to adjust structure, can will be cut using the adjustment structure in the lower edge of bracket and the cutting structure
The lower edge of device structure is adjusted to a fixed position, adjusts the angle of cutting motor again then to reach cutting position.
4. portable protolith structural plane surface topography processing unit (plant) according to claim 1, which is characterized in that the rock sample
Position regulator is made of rock sample position regulator top and rock sample position regulator lower part, rock sample position tune
Engagement positions top and rock sample position regulator lower part, which are formed, agrees with structure, wherein rock sample position regulator lower part
Assembled side by side by multiple cell blocks, square washer, entire rock sample position regulator substructure are contained between cell block
It is fixed on rock sample to place on chassis, the cell block is equipped with front and back slot and left and right slot, wherein front and back slot is swallow-tail form, the rock
The top edge on sample position regulator top is fixedly connected with rock sample, and lower edge has the upper block structure agreed with the cell block,
There is convex body corresponding with left and right slot on the upper block structure, has dovetail v notch v corresponding with front and back slot on the convex body, pass through
The left-right position of rock sample can be fixed by placing a pin stick identical with the section that front and back slot is available.
5. portable protolith structural plane surface topography processing unit (plant) according to claim 1, which is characterized in that the guide rail
Bracket front and back coverage area is stretched out, the fritter rock sample being cut into conveniently is removed.
6. a kind of operating method of portable protolith structural plane surface topography processing unit (plant), which comprises the following steps:
S1, the horizontal resection that the rock of cuboid be free of regular sawtooth first, obtain needing to carry out zigzag fashion cutting
Rock sample；
S2, initial bit is fixed on by the rock sample that the cell block and upper block structure of rock sample position regulator will be cut
It sets, i.e. the center of first zigzag cutting is corresponding with the dovetail v notch v of upper block structure, then is integrally placed to contain by this
On the pedestal of guide rail, and the gear rocking lever system being moved forward and backward with controllable rock sample is connected；
Then the angle of S3, adjustment cutting gear adjust structure by upper and lower position and cutter lower edge are adjusted to one admittedly
Positioning is set, and then cutter adjusts distance h again and reaches cutting position, wherein distance h is the depth of cutting；
S4, it opens water-cooling system, open cutter switch, then rotating rocker moves rock sample along cut direction, at this time rock
Sample successively passes through two cutters, completes primary cutting, that is, forms a zigzag fashion；
S5, etc. rock samples move out cut coverage, temporary close cutter switch, water-cooling system switch, adjustment rock sample is to next
Cutting position moves left and right rock sample by rock sample position regulator；
S6, rocking bar is continued to rotate, completes gear next time and cut, should be moved out in rock sample in cutting process if any the block cut out
It is taken out in time after cut coverage；
S7, the rock sample for completing zigzag cutting is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565662.6A CN110303606B (en) | 2019-06-26 | 2019-06-26 | Portable raw rock structural surface topography processing device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910565662.6A CN110303606B (en) | 2019-06-26 | 2019-06-26 | Portable raw rock structural surface topography processing device and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303606A true CN110303606A (en) | 2019-10-08 |
| CN110303606B CN110303606B (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910565662.6A Active CN110303606B (en) | 2019-06-26 | 2019-06-26 | Portable raw rock structural surface topography processing device and operation method thereof |
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| CN205785867U (en) * | 2016-07-13 | 2016-12-07 | 黄淮学院 | Multifunctional rock Experiments of Machanics cutting machine |
| CN106969958A (en) * | 2017-04-24 | 2017-07-21 | 河南理工大学 | Coal and rock test specimen different angle structural plane cutting technique |
| CN107253292A (en) * | 2017-07-26 | 2017-10-17 | 高豹 | A kind of V-type slot-cutting machine |
| CN206588644U (en) * | 2017-04-05 | 2017-10-27 | 苏州市联佳精密机械有限公司 | Multipurpose dovetail fixture module |
| CN206862671U (en) * | 2017-06-21 | 2018-01-09 | 中国矿业大学(北京) | A kind of rock physicses Experiments of Machanics cutting equipment |
| KR20180005504A (en) * | 2016-07-06 | 2018-01-16 | 유한회사 세진경계석 | Stone Bidirectional cutting apparatus |
| CN109176923A (en) * | 2018-08-30 | 2019-01-11 | 胡以宽 | A kind of efficient cutting marble equipment |
| CN109489969A (en) * | 2019-01-26 | 2019-03-19 | 湘潭大学 | A kind of TBM hob sound loaded line cutting test platform |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB9624326D0 (en) * | 1996-11-22 | 1997-01-08 | Speedie Andrew | Cutting apparatus |
| CN101713719A (en) * | 2009-12-22 | 2010-05-26 | 中国重型机械研究院有限公司 | Cutting test method for rock-cutting tool |
| CN203231929U (en) * | 2013-03-18 | 2013-10-09 | 北京工业大学 | Mechanical rock breaking test platform |
| CN203391124U (en) * | 2013-07-19 | 2014-01-15 | 南安市正冠机械有限公司 | Bridge type stone cutter with tiltable saw blade |
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| CN203672739U (en) * | 2013-12-24 | 2014-06-25 | 神华集团有限责任公司 | Testing device for cutting rock samples |
| KR20180005504A (en) * | 2016-07-06 | 2018-01-16 | 유한회사 세진경계석 | Stone Bidirectional cutting apparatus |
| CN205785867U (en) * | 2016-07-13 | 2016-12-07 | 黄淮学院 | Multifunctional rock Experiments of Machanics cutting machine |
| CN206588644U (en) * | 2017-04-05 | 2017-10-27 | 苏州市联佳精密机械有限公司 | Multipurpose dovetail fixture module |
| CN106969958A (en) * | 2017-04-24 | 2017-07-21 | 河南理工大学 | Coal and rock test specimen different angle structural plane cutting technique |
| CN206862671U (en) * | 2017-06-21 | 2018-01-09 | 中国矿业大学(北京) | A kind of rock physicses Experiments of Machanics cutting equipment |
| CN107253292A (en) * | 2017-07-26 | 2017-10-17 | 高豹 | A kind of V-type slot-cutting machine |
| CN109176923A (en) * | 2018-08-30 | 2019-01-11 | 胡以宽 | A kind of efficient cutting marble equipment |
| CN109489969A (en) * | 2019-01-26 | 2019-03-19 | 湘潭大学 | A kind of TBM hob sound loaded line cutting test platform |
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| Publication number | Publication date |
|---|---|
| CN110303606B (en) | 2020-08-07 |
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