CN109209369A - A kind of mine hole rock drilling crushing device - Google Patents
A kind of mine hole rock drilling crushing device Download PDFInfo
- Publication number
- CN109209369A CN109209369A CN201811404875.2A CN201811404875A CN109209369A CN 109209369 A CN109209369 A CN 109209369A CN 201811404875 A CN201811404875 A CN 201811404875A CN 109209369 A CN109209369 A CN 109209369A
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- China
- Prior art keywords
- rock drilling
- module
- hydraulic
- broken
- hydraulic module
- Prior art date
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Links
- 239000011435 rock Substances 0.000 title claims abstract description 140
- 238000005553 drilling Methods 0.000 title claims abstract description 129
- 238000009434 installation Methods 0.000 claims description 25
- 239000011324 bead Substances 0.000 claims description 12
- 230000005294 ferromagnetic effect Effects 0.000 claims description 12
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 241001416181 Axis axis Species 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 210000000481 breast Anatomy 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000005065 mining Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
A kind of mine hole rock drilling crushing device, belongs to technical field of mining equipment.It is bored including support plate, quartering hammer and rock drilling, the support plate top side axis is equipped with supporting arm, the supporting arm distal end is equipped with rock drilling body, another side axle is equipped with tuning hydraulic module at the top of the support plate, the tuning hydraulic module output end is coupled with supporting arm top side, the rock drilling body bosom is equipped with rock drilling hydraulic module, and the rock drilling hydraulic module output end is equipped with rock drilling output block vertically downward, and two sides are respectively equipped with broken hydraulic module.Solve the problems, such as that wall finishing in mine hole is tedious, the rock that can be protruded to mine hole wall surface quickly digs broken cleaning, while can adjust height and angle according to actual needs, reduces labour, effectively increases automatization level and rock penetration performance.
Description
Technical field
The present invention relates to a kind of mine hole rock drilling crushing devices, belong to technical field of mining equipment.
Background technique
Currently, the wall surface in mine hole all has certain flatness requirement, to prevent the rock stratum of protrusion from scratching construction personnel
Or falling rocks is generated, in the prior art, cutter generally first carries out the excavation that burrows to rock stratum using big machinery, and then by artificial
Mine hole wall is modified, the amount of labour is big and efficiency is very low, very inconvenient.
For above-mentioned prior art situation, present invention applicant has done a large amount of beneficial explorations repeatedly, and final products take
Effective achievement was obtained, and forms technical solution described below.
Summary of the invention
In view of the above-mentioned deficiencies, the present invention provides a kind of mine hole rock drilling crushing devices compared with prior art can be right
The rock of mine hole wall surface protrusion quickly digs broken cleaning, while can adjust height and angle according to actual needs, reduces labour,
Effectively increase automatization level and rock penetration performance.
The present invention is achieved by the following technical solutions: a kind of mine hole rock drilling crushing device, including support plate, broken
Hammer and rock drilling cone, the support plate top side axis are equipped with supporting arm, and the supporting arm distal end is equipped with rock drilling body, described
Support plate at the top of another side axle tuning hydraulic module, the tuning hydraulic module output end and supporting arm top side phase axis are housed
It connects, the rock drilling body bosom is equipped with rock drilling hydraulic module, and the rock drilling hydraulic module output end is equipped with vertically downward
Rock drilling output block, and two sides are respectively equipped with broken hydraulic module.
The quartering hammer includes the installation set for being separately positioned on top two sides, the pin shaft being separately positioned on the outside of installation set
Hole, the installation pin shaft for installation set to be fixed on to broken hydraulic module output end, the broken limit for being used to limit distance of glide
Protrusion, sliding are provided with the rock drilling installation passage of rock drilling cone, are crushed output end, gear mounting portion and for the rock drilling that is slidably installed
The sliding slot of cone top part rock drilling retention bead, the installation pin shaft are separately mounted in pin shaft hole and broken hydraulic module output end
Portion, the rock drilling cone top part are equipped with rock drilling slot corresponding with rock drilling output block, and it is defeated that the rock drilling groove depth is less than rock drilling
Block height out, the rock drilling slot two sides are respectively equipped with ferromagnetic block, and the rock drilling hydraulic module output end two sides respectively correspond
Ferromagnetic block is equipped with electromagnet module, and side is equipped with the limit for limiting broken retention bead dropping distance in the rock drilling body
Block.
Single chip control module and power module are equipped at the top of the support plate, the single chip control module passes through
The electrical connection road of output end setting is connected with relay module input terminal, and single chip control module input terminal is electrically connected with level meter
Module and altitude meter module, and top is equipped with control switch, the relay module output end passes through electrical connection road respectively
With hydraulic leg module, tuning hydraulic module, stepper motor module, rock drilling hydraulic module, electromagnet module and be crushed hydraulic
Module is electrically connected, and the elastic wire that the electromagnet module is arranged by input terminal is electrically connected with relay module, institute
The power module stated is electrically connected with single chip control module, and external equipped with power switch.
Further, the support plate bottom four corners are respectively equipped with hydraulic leg module, the hydraulic leg module
It is mutually threadedly coupled by the supporting leg fixed plate that top is arranged with support plate bottom face.
Further, the hydraulic leg module bottom is equipped with supporting leg bottom plate, and the supporting leg bottom base plate gluing is solid
Surely there is bottom plate anti-slip rubber.
Further, the support plate top side is equipped with bearing lower shaft, and supporting arm is housed by bearing lower shaft axis,
The supporting arm distal end is equipped with bearing mounting plate, and the rock drilling body side is equipped with the electricity being mutually threadedly engaged with bearing mounting plate
Wiring paths, the other side are equipped with dismounting plate.
Further, it is equipped with tuning bottom end axis at the top of the support plate, and tuning liquid is equipped with by tuning bottom end axis axis
Die block, the tuning hydraulic module output end are equipped with tuning output shaft, the tuning output shaft and supporting arm top side phase
It is fixedly connected.
Further, the hydraulic fixed plate that the rock drilling hydraulic module and broken hydraulic module are arranged by bottom end is solid
Dingan County is mounted in lateral roof in rock drilling body.
Further, between the electromagnet module and ferromagnetic block distance be greater than rock drilling output block and rock drilling trench bottom away from
From 1~2mm.
Further, side is located at below limited block equipped with stepper motor module, the stepping horse in the rock drilling body
Up to driving gear is provided between module and limited block, the rock drilling cone outside is uniformly provided with a plurality of slot that is rotatably assorted, described
Driven gear on the inside of be equipped with the protrusion that is rotatably assorted for matching installation with the slot that is rotatably assorted, and mutually nibbled with driving gear
It closes, limited ring groove is equipped at the top of driven gear, the limited block bottom is equipped with the limited post of cooperation corresponding with limited ring groove.
Further, the level meter module and altitude meter module are arranged at support plate bottom.
Beneficial effects of the present invention:
1. the rock that the device can protrude mine hole wall surface quickly digs broken cleaning, while can adjust height according to actual needs
And angle, reduce labour, effectively increases automatization level and rock penetration performance；
2. quartering hammer is sleeved on rock drilling cone outside, occupy little space, it is easy to use；
3. can bore rock drilling after digging into lithosome, and then broken by broken chiso-mallet, rock drilling cone and quartering hammer all have scheduled
Sliding distance, and can be easily removed respectively by electromagnet module and broken hydraulic module；
4. driving driven gear and rock drilling coning to turn using stepper motor module, can more easily control take out.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram after the present invention is adjusted the angle relative to Fig. 1；
Fig. 3 is the schematic diagram of internal structure of rock drilling body in the present invention；
Fig. 4 is the schematic enlarged-scale view in Fig. 3 of the present invention at A；
Fig. 5 is the structural schematic diagram in rock drilling body of the present invention after the stretching of rock drilling cone；
Fig. 6 is the structural schematic diagram of quartering hammer in the present invention；
Fig. 7 is principle schematic diagram of the invention.
In figure, support plate 1, supporting leg fixed plate 21, supporting leg bottom plate 22, bottom plate anti-slip rubber 23, is adjusted hydraulic leg module 2
To hydraulic module 3, tuning bottom end axis 31, tuning output shaft 32, rock drilling body 4, dismounting plate 41, supporting arm 42, bearing lower shaft 421,
Support mounting plate 422, electrical connection paths 43, stepper motor module 44, driving gear 441, limited block 45, rock drilling hydraulic module
5, hydraulic fixed plate 51, rock drilling output block 52, electromagnet module 53, elastic wire 531, broken hydraulic module 6, quartering hammer 7, peace
Encapsulation 71, pin shaft hole 711, installation pin shaft 72, broken retention bead 73, rock drilling installation passage 74, broken output end 75, gear peace
8, the slot 81 that is rotatably assorted, driven gear 811, rock drilling slot 82, rock drilling retention bead 83, ferromagnetic block are bored in dress portion 76, sliding slot 77, rock drilling
84, single chip control module 9, relay module 91, power module 92, power switch 921, level meter module 93, altitude meter mould
Block 94, control switch 95, electrical connection road 96.
Specific embodiment
As shown in Figures 1 to 7, a kind of mine hole rock drilling crushing device, including support plate 1, hydraulic leg module 2, supporting leg
Fixed plate 21, supporting leg bottom plate 22, bottom plate anti-slip rubber 23, tuning hydraulic module 3, tuning bottom end axis 31, tuning output shaft 32, chisel
Rock mass 4, dismounting plate 41, supporting arm 42, bearing lower shaft 421, bearing mounting plate 422, electrical connection paths 43, stepper motor module
44, driving gear 441, limited block 45, rock drilling hydraulic module 5, hydraulic fixed plate 51, rock drilling output block 52, electromagnet module 53,
Elastic wire 531, broken hydraulic module 6, quartering hammer 7, rock drilling cone 8, the slot 81 that is rotatably assorted, driven gear 811, rock drilling slot 82,
Rock drilling retention bead 83, ferromagnetic block 84, single chip control module 9, relay module 91, power module 92, power switch 921,
Level meter module 93, altitude meter module 94, control switch 95, electrical connection road 96,1 bottom four corners of support plate are respectively equipped with
One hydraulic leg module 2, the supporting leg fixed plate 21 and 1 bottom end of support plate that the hydraulic leg module 2 is arranged by top
Face is mutually threadedly coupled, and 2 bottom of hydraulic leg module is equipped with supporting leg bottom plate 22, and the 22 bottom gluing of supporting leg bottom plate is fixed with bottom
Plate anti-slip rubber 23,1 top side of support plate are equipped with a bearing lower shaft 421 and are equipped with by supporting 421 axis of lower shaft
One supporting arm 42,42 distal end of supporting arm is equipped with bearing mounting plate 422, and passes through bearing 422 screw thread of mounting plate installation
There is rock drilling body 4, the 1 top other side of support plate is equipped with a tuning bottom end axis 31, and fills by 31 axis of tuning bottom end axis
There is tuning hydraulic module 3,3 output end of tuning hydraulic module is equipped with a tuning output shaft 32, the tuning output
Axis 32 is mutually fixedly connected with 42 top side of supporting arm.
4 side of rock drilling body is equipped with dismounting plate 41, and the other side is equipped with the electricity being threadedly engaged with bearing 422 phase of mounting plate
Wiring paths 43,4 bosom of rock drilling body are equipped with a rock drilling hydraulic module 5,5 two sides of the rock drilling hydraulic module difference
Equipped with a broken hydraulic module 6, the rock drilling hydraulic module 5 and broken hydraulic module 6 pass through the hydraulic of bottom end setting
Fixed plate 51 is fixedly mounted on 4 inside top of rock drilling body, and 5 output end of rock drilling hydraulic module is equipped with rock drilling output block vertically downward
52。
The quartering hammer 7 includes the installation set 71 for being separately positioned on top two sides, is separately positioned on 71 outside of installation set
Pin shaft hole 711, the installation pin shaft 72 for installation set 71 to be fixed on to broken 6 output end of hydraulic module, be used to limit downslide
The broken retention bead 73 of distance, sliding are provided with the rock drilling installation passage 74 of rock drilling cone 8, broken output end 75, gear installation
Portion 76 and the sliding slot 77 that 8 top rock drilling retention beads 83 are bored for the rock drilling that is slidably installed, the installation pin shaft 72 are pacified respectively
Mounted in 6 outlet internal of pin shaft hole 711 and broken hydraulic module, 8 top of rock drilling cone is equipped with one and rock drilling output block
52 corresponding rock drilling slots 82,82 depth of rock drilling slot are less than 52 height of rock drilling output block, 82 two sides of rock drilling slot
It is respectively equipped with a ferromagnetic block 84, the 5 output end two sides of rock drilling hydraulic module respectively correspond ferromagnetic block 84 equipped with an electricity
Magnet module 53, distance is greater than rock drilling output block 52 and 82 bottom of rock drilling slot between the electromagnet module 53 and ferromagnetic block 84
1~2mm of distance.
The limited block 45 for limiting broken 73 dropping distance of retention bead is additionally provided on the inside of the rock drilling body 4, it is described
Stepper motor module 44 be arranged in 45 1 side-lower of limited block, and a driving gear 441 is provided between limited block 45,
Described 8 outside of rock drilling cone is uniformly provided with a plurality of slot 81 that is rotatably assorted, be equipped on the inside of the driven gear 811 for rotation
Mating groove 81 matches the protrusion that is rotatably assorted of installation, and is meshed with driving gear 441, and limit is equipped at the top of driven gear 811
Position annular groove, 45 bottom of limited block are equipped with the limited post of cooperation corresponding with limited ring groove.
Single chip control module 9 and power module 92 are additionally provided at the top of the support plate 1, the single-chip microcontroller controls mould
Block 9 is connected with 91 input terminal of relay module, single chip control module 9 input terminal electricity by the electrical connection road 96 that output end is arranged
It is connected with level meter module 93 and altitude meter module 94, and top is equipped with control switch 95, the relay module 91 is defeated
Outlet passes through electrical connection road 96 and hydraulic leg module 2, tuning hydraulic module 3, stepper motor module 44, rock drilling fluid die respectively
Block 5, electromagnet module 53 and broken hydraulic module 6 are electrically connected, and the electromagnet module 53 is arranged by input terminal
Elastic wire 531 is electrically connected with relay module 91, and the power module 92 is electrically connected with single chip control module 9,
And it is external equipped with power switch 921, the level meter module 93 and altitude meter module 94 are arranged at 1 bottom of support plate.
The device when in use, adjusts the balance and height of support plate 1, passes through the control in control single chip computer control module 9
Switch 95 is made, after so that single chip control module 9 is received the data-signal from level meter module 93 and altitude meter module 94, into
And it controls relay module 91 and adjusts hydraulic leg module 2 to predetermined altitude, and support plate 1 is made to keep balance.
Control single chip computer control module 9 further adjusts tuning hydraulic module 3 and stretches, and makes the rotation of supporting arm 42 to predetermined angle
After degree, the flexible and rock drilling output block 52 by bottom of the circulation of rock drilling hydraulic module 5 intermittently hits the rock drilling slot at 8 top of rock drilling cone
82, reach predetermined length to 5 extension distance of rock drilling hydraulic module, i.e. the rock drilling retention bead 83 at 8 top of rock drilling cone reaches sliding slot
When 77 bottom, broken hydraulic module 6 controls quartering hammer 7 and pounds pressure downwards, until the broken retention bead 73 at 7 top of quartering hammer reaches
45 position of limited block.
In turn, stepper motor module 44 drives driving gear 441 and driven gear 811 to rotate, 811 inside of driven gear
The raised band that is rotatably assorted turn moves 8 rotation of mating groove 81 and rock drilling cone, and rock drilling cone 8 is made to be easier to take out.
Rock drilling hydraulic module 5 stretches again, and electromagnet module 53 is powered under the action of relay module 91, and passes through suction
Ferromagnetic block 84 on attached rock drilling cone 8 makes 8 playback of rock drilling cone, is crushed the contraction of hydraulic module 6 and quartering hammer 7 is driven to playback.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with
In the case where spirit, changes, modifications that embodiment is carried out, replacement and variant still fall within protection scope of the present invention it
It is interior.
Claims (9)
1. a kind of mine hole rock drilling crushing device, it is characterised in that: bored including support plate, quartering hammer and rock drilling, the branch
Board top side axis is equipped with supporting arm, and the supporting arm distal end is equipped with rock drilling body, another side axle at the top of the support plate
Equipped with tuning hydraulic module, the tuning hydraulic module output end is coupled with supporting arm top side, inside the rock drilling body
Centre is equipped with rock drilling hydraulic module, and the rock drilling hydraulic module output end is equipped with rock drilling output block vertically downward, and two sides
It is respectively equipped with broken hydraulic module；
The quartering hammer include be separately positioned on top two sides installation set, be separately positioned on the outside of installation set pin shaft hole,
For installation set to be fixed on to the installation pin shaft of broken hydraulic module output end, is used to limit the broken limit convex of distance of glide
It rises, slide the rock drilling installation passage for being provided with rock drilling cone, broken output end, gear mounting portion and bored for the rock drilling that is slidably installed
The sliding slot of top rock drilling retention bead, the installation pin shaft are separately mounted in pin shaft hole and broken hydraulic module output end
Portion, the rock drilling cone top part are equipped with rock drilling slot corresponding with rock drilling output block, and it is defeated that the rock drilling groove depth is less than rock drilling
Block height out, the rock drilling slot two sides are respectively equipped with ferromagnetic block, and the rock drilling hydraulic module output end two sides respectively correspond
Ferromagnetic block is equipped with electromagnet module, and side is equipped with the limit for limiting broken retention bead dropping distance in the rock drilling body
Block；
Single chip control module and power module are equipped at the top of the support plate, the single chip control module passes through output
The electrical connection road of end setting is connected with relay module input terminal, and single chip control module input terminal is electrically connected with level meter module
And altitude meter module, and top is equipped with control switch, the relay module output end passes through electrical connection road and liquid respectively
Press supporting leg module, tuning hydraulic module, stepper motor module, rock drilling hydraulic module, electromagnet module and broken hydraulic module
It is electrically connected, the elastic wire that the electromagnet module is arranged by input terminal is electrically connected with relay module, described
Power module is electrically connected with single chip control module, and external equipped with power switch.
2. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that the support plate bottom four corners point
Not She You hydraulic leg module, the supporting leg fixed plate and support plate bottom face phase that the hydraulic leg module is arranged by top
It is threadedly coupled.
3. a kind of mine hole rock drilling crushing device as claimed in claim 2, characterized in that the hydraulic leg module bottom
Equipped with supporting leg bottom plate, the supporting leg bottom base plate gluing is fixed with bottom plate anti-slip rubber.
4. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that the support plate top side is set
There is bearing lower shaft, and supporting arm is equipped with by bearing lower shaft axis, the supporting arm distal end is equipped with bearing mounting plate, the chisel
Rock mass side is equipped with the electrical connection paths being mutually threadedly engaged with bearing mounting plate, and the other side is equipped with dismounting plate.
5. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that be equipped with and adjust at the top of the support plate
Tuning hydraulic module is housed to bottom end axis, and by tuning bottom end axis axis, the tuning hydraulic module output end is equipped with tuning
Output shaft, the tuning output shaft are mutually fixedly connected with supporting arm top side.
6. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that the rock drilling hydraulic module and broken
Broken hydraulic module is fixedly mounted on lateral roof in rock drilling body by the hydraulic fixed plate that bottom end is arranged.
7. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that the electromagnet module with it is ferromagnetic
Distance is greater than rock drilling output block and 1~2mm of rock drilling trench bottom distance between block.
8. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that side is located at limit in the rock drilling body
It is equipped with stepper motor module below the block of position, driving gear is provided between the stepper motor module and limited block, it is described
Rock drilling cone outside is uniformly provided with a plurality of slot that is rotatably assorted, and is equipped on the inside of the driven gear for matching with the slot that is rotatably assorted
The protrusion that is rotatably assorted of installation, and be meshed with driving gear, limited ring groove, the limited block bottom are equipped at the top of driven gear
Portion is equipped with the limited post of cooperation corresponding with limited ring groove.
9. a kind of mine hole rock drilling crushing device as described in claim 1, characterized in that the level meter module and survey is high
Instrument module is arranged at support plate bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404875.2A CN109209369B (en) | 2018-11-23 | 2018-11-23 | Rock drilling breaker for mine hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811404875.2A CN109209369B (en) | 2018-11-23 | 2018-11-23 | Rock drilling breaker for mine hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109209369A true CN109209369A (en) | 2019-01-15 |
| CN109209369B CN109209369B (en) | 2020-06-02 |
Family
ID=64994084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811404875.2A Active CN109209369B (en) | 2018-11-23 | 2018-11-23 | Rock drilling breaker for mine hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209369B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630260A (en) * | 2019-09-29 | 2019-12-31 | 杨绍贤 | Small-size rock of copper mine hole equipment of knocking off |
| CN113126552A (en) * | 2021-05-08 | 2021-07-16 | 雷沃工程机械集团有限公司 | Intelligent crushing control method and excavator |
| CN114304892A (en) * | 2022-01-19 | 2022-04-12 | 长春科技学院 | Folding workbench for art painting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630260A (en) * | 2019-09-29 | 2019-12-31 | 杨绍贤 | Small-size rock of copper mine hole equipment of knocking off |
| CN110630260B (en) * | 2019-09-29 | 2021-08-24 | 南京幸庄科技创新产业园管理有限公司 | Small-size rock of copper mine hole equipment of knocking off |
| CN113126552A (en) * | 2021-05-08 | 2021-07-16 | 雷沃工程机械集团有限公司 | Intelligent crushing control method and excavator |
| CN114304892A (en) * | 2022-01-19 | 2022-04-12 | 长春科技学院 | Folding workbench for art painting |
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