CN106564767A - Railway carriage coal flattening and rolling device - Google Patents
Railway carriage coal flattening and rolling device Download PDFInfo
- Publication number
- CN106564767A CN106564767A CN201610929170.7A CN201610929170A CN106564767A CN 106564767 A CN106564767 A CN 106564767A CN 201610929170 A CN201610929170 A CN 201610929170A CN 106564767 A CN106564767 A CN 106564767A
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- China
- Prior art keywords
- milling roller
- railway carriage
- rolling device
- smooth rolling
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 53
- 238000005096 rolling process Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 238000003801 milling Methods 0.000 claims description 62
- 241001417527 Pempheridae Species 0.000 claims description 10
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000010412 perfusion Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001504664 Crossocheilus latius Species 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
- B65G69/0458—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials with rotating means, e.g. tables, arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a train carriage coal flattening and rolling device, which comprises: the slideway upright posts are arranged on two sides of the train track, and the upper ends of the slideway upright posts are provided with cross beams; the rolling roller frame is arranged on the slideway upright post in a sliding manner, and a rolling roller is arranged on the rolling roller frame; and the driving mechanism drives the rolling roller frame to lift or descend along the slideway upright post through the steel wire rope and the bend pulley block, so that the rolling roller is pressed on the carriage coal. The device can accomplish the operation by single, solves coal transportation shortage ton problem.
Description
Technical field
The present invention relates to colliery field, the smooth rolling device of more particularly to a kind of railway carriage coal.
Background technology
At present, domestic each big colliery coal railway transportation is used mostly the entrucking of rapid wagon loading station, and rapid wagon loading station has fast
The advantage of fast quantifying and loading, but larger space can be left at compartment surrounding, especially two ends in entrucking, compartment dress is discontented.And by
In the difference of exploitation ature of coal, the quality of coal there is also difference, and relatively gently, material can be higher than compartment to Coal Quality, in transport
During the airborne dust that causes will cause the environmental pollution of Along Railway.Transporting coal compartment according to railway administration department must put down
Whole, entrucking height does not allow the safety and environmental protection requirement higher than compartment 300mm, and compartment tonnage cannot be filled with during entrucking, causes car
Skin missing-ton, to enterprise massive losses are brought.
To reach the requirement of railway administration department, the smooth compartment of a large amount of manpowers, to guarantee personal safety, the work need to be used
Make to be carried out in train loading is advanced, it is necessary to stop smooth after car is installed, not only lavish labor on, and affect entrucking
Efficiency.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, and should not
When the prior art for being considered to recognize or imply in any form the information structure well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of smooth rolling device of railway carriage coal, by one operation can be completed,
Solve the problems, such as Coal Transport missing-ton.
For achieving the above object, the invention provides a kind of smooth rolling device of railway carriage coal, including：Slideway stands
Post, it is used for being built up in the both sides of track for a train, and slide column upper end is provided with crossbeam；Milling roller framework, it is slidably arranged in cunning
On road column, milling roller is set on milling roller framework；And drive mechanism, the driving structure is by steel wire rope and changed course assembly pulley
Drive milling roller framework to be lifted along slide column or declined, and then milling roller is pressed on compartment coal.
Preferably, drive mechanism includes motor and the hoist engine that driven by the motor, and steel wire rope is three steel wire ropes, steel wire
One of rope is connected through double pulleies unit with hoist engine, and the upper end of crossbeam and milling roller framework is respectively provided with two pairs of single-sheaved block groups, steel
Two of cord is each passed through single-sheaved block group and is fixedly connected with crossbeam.
Preferably, the smooth rolling device of railway carriage coal includes electric-magnetic lock brake, and electric-magnetic lock brake includes：
Hangers, it is fixedly installed on the side of milling roller framework；Wallboard, it is fixedly installed on the top of slide column, arranges on wallboard
Limited block；Tabular latch hook, it is hinged on wallboard, and under working condition, tabular latch hook is supported on limited block, and hangers is locked with tabular
Hook connects；Extending type tractive magnet, it is used for being connected with the upper end of tabular latch hook, and extending type tractive magnet is used for tabular
Latch hook withdraws；And tension spring, it is used for being connected with the lower end of tabular latch hook, and tension spring is used for being pulled to tabular latch hook closing
Lock-bit.
Preferably, milling roller includes the cylinder rolled by steel plate, and the outer wall of cylinder does encapsulated, the two ends steel of cylinder
Plate weld, the luminal perfusion concrete of milling roller and Calx.
Preferably, the center of cylinder is equipped with hollow outer shaft, hollow outer shaft and is provided with interior axle, interior axle by support collar
Two ends axle journal by bearing block be arranged on milling roller framework on.
Preferably, interior axle is fixedly connected with the two ends of cylinder with tangential keys.
Preferably, drive mechanism includes hydraulic contracting formula brake, when milling roller is pressed on compartment coal, hydraulic contracting formula
Brake operation.
Preferably, drive mechanism includes electric screw sweeper, and electric screw sweeper is used for cleaning the viscous of drum surface
Coal.
Preferably, the smooth rolling device of railway carriage coal includes controller, and controller is used for controlled motor rotating, control
The on/off of extending type tractive magnet processed, the brake of control hydraulic contracting formula clamp or unclamp and control electric screw and clean
Device is started or stoped.
Preferably, milling roller framework is set on slide column by ram.
Compared with prior art, the present invention has the advantages that：By arranging electric-magnetic lock brake, stone roller can be protected
Pressure roller when not in use will not free-falling, electric screw sweeper can ensure that equipment will freeze in the winter time viscous coal and clean out, this
Device can save the labour force in a large amount of smooth compartments, can be completed operation railway carriage coal is smooth by one to roll, together
When solve the problems, such as enterprise's Coal Transport missing-ton, improve entrucking efficiency.
Description of the drawings
Fig. 1 is the unitary construction figure of the smooth rolling device of railway carriage coal of the invention；
Fig. 2 is the partial schematic diagram of the smooth rolling device of railway carriage coal of the invention, illustrates the peace of milling roller
Dress；
Fig. 3 is the another partial schematic diagram of the smooth rolling device of railway carriage coal of the invention, illustrates crossbeam
Structure；
Fig. 4 is the structural representation of electric-magnetic lock brake in the smooth rolling device of railway carriage coal of the invention
Figure.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " including " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or ingredient, and do not exclude other units
Part or other ingredients.
As shown in Figures 1 to 4, according to a kind of smooth rolling device of railway carriage coal of the specific embodiment of the invention,
Including slide column 1, milling roller framework 31 and drive mechanism 2, wherein slide column 1 is used for being built up in the both sides of track for a train,
The upper end of slide column 1 is provided with crossbeam 11, and milling roller framework 31 is slidably arranged on slide column 1, arranges on milling roller framework 31
Milling roller 3, drive mechanism 2 drive milling roller framework 31 to be lifted along slide column 1 by steel wire rope 23 and changed course assembly pulley or
Decline, and then milling roller 3 is pressed on compartment coal.
In such scheme, including the construction unit of slide column 1 is mainly steel structure frame, and it does vertical by thick walled steel tube
Post, column is welded on concrete foundation built-in fitting, suspension column welding gusset, in addition, can be with welded H in train loading direct of travel
Shaped steel bearing diagonal, increases the rigidity of structure, while column is also used as the track of milling roller lifting.Two H profile steels do entablature,
Crossbeam is welded with column, and to strengthen the gusset composition that intensity steel plate does.
Used as a kind of preferred embodiment, drive mechanism 2 includes motor and the hoist engine driven by the motor, and steel wire rope 23 is
Three steel wire ropes, of steel wire rope 23 is connected through double pulleies unit 21 with hoist engine, crossbeam 11 and milling roller framework 31 it is upper
End is respectively provided with two pairs of single-sheaved block groups 22, and two of steel wire rope 23 is each passed through single-sheaved block group 22 and is fixedly connected with crossbeam 11.We
In case, drive mechanism 2 drives milling roller framework 31 to be lifted or declined along slide column 1 by gear unit, gear unit bag
Enclosing wire rope and assembly pulley, assembly pulley is fixedly welded on bearing block, and steel wire rope is three steel wire ropes, and one is fixed on hoist engine
On, two pulleys that another two is each passed through on milling roller framework are fixed on crossbeam.Milling roller framework 31 is preferably welded by H profile steel
Connect, welded pulley group base on crossbeam 11, bearing block 221 (participation Fig. 3) is fixed with assembly pulley base.
Used as a kind of preferred embodiment, the smooth rolling device of railway carriage coal includes electric-magnetic lock brake, and electromagnetism is closed
Lock brake includes hangers 41, wallboard 43, tabular latch hook 45, extending type tractive magnet 42 and tension spring 46, hangers 41
The side of milling roller framework 31 is fixedly installed on, wallboard 43 is fixedly installed on the top of slide column 1, arranges spacing on wallboard 43
Block 44, tabular latch hook 45 is hinged on wallboard 43, and under working condition, tabular latch hook 45 is supported on limited block 44, hangers 41 with
Tabular latch hook 45 is mounted, and extending type tractive magnet 42 is used for being connected with the upper end of tabular latch hook 45, extending type tractive magnet
42 are used for withdrawing tabular latch hook 45, and tension spring 46 is used for being connected with the lower end of tabular latch hook 45, and tension spring 46 is used
Tabular latch hook 45 is pulled to into locking position.In this programme, electric-magnetic lock brake is to be promoted to milling roller after train is installed
A high position, the peace for causing milling roller free-falling to cause personal device damage to arrange to prevent wire cable rupture or brake troubles
Full protection device.Tabular latch hook 45 is set to two pieces by steel plate air cutting molding, wallboard 43, and wallboard is welded on column, two pieces of walls
Tabular latch hook 45, and welded limiting block 44 are installed, extending type tractive magnet 42 is connected between plate 43.Milling roller works
When, electric magnet is powered, electric magnet pulls tabular latch hook 45 to overcome the pulling force of tension spring 46 to withdraw tabular latch hook 45, rolls
Roller can fall；When not working, milling roller is promoted to higher than latch hook position, latch hook is pulled to locking position by electric magnet power-off, spring.
Used as a kind of preferred embodiment, milling roller 3 includes the cylinder rolled by steel plate, and the outer wall of cylinder does encapsulated,
The steel plate welding of the two ends of cylinder, the luminal perfusion concrete of milling roller 3 and Calx.In this programme, the cylinder of milling roller is by steel
Coiled sheet system is formed, and cylinder body outer wall does encapsulated, and end face is welded with steel plate, milling roller luminal perfusion concrete and Calx, to increase stone roller
Pressure roller weight, reaches the effect for being compacted material.Due to milling roller quality it is excessive, if in use occur axle damage, more
It will be very difficult to change jobs, and special herein to design shafting point interior axle with outer shaft, outer shaft is made by seamless steel pipe, and interior axle is justified with 45#
Steel turning, interior axle is arranged in outer shaft by support collar, interior axle and body end surface tangential keys fixed delivery moment of torsion, two end axles
Neck installs bearing block.
Used as a kind of preferred embodiment, the center of cylinder is equipped with hollow outer shaft 33, hollow outer shaft 33 and passes through support shaft
Ring 32 is provided with interior axle 34, and the two ends axle journal of interior axle 34 is arranged on milling roller framework 31 by bearing block 36.In this programme,
Milling roller framework 31 has two torque arm 311, and the inner side welding steel 37 of torque arm 311, bearing block 36 is bolted on steel
On plate 37, the downside of steel plate 37 is provided with gusset.
Used as a kind of preferred embodiment, interior axle 34 is fixedly connected with the two ends tangential keys 35 of cylinder.
Used as a kind of preferred embodiment, drive mechanism 2 includes hydraulic contracting formula brake, and milling roller 3 is pressed in compartment coal
When upper, hydraulic contracting formula brake operation.In this programme, Motor drive hoist engine lifts or declines milling roller, now brake
Unclamp, milling roller is reached after working position, brake is clamped, and makes milling roller be maintained at working position state.
Used as a kind of preferred embodiment, drive mechanism 2 includes electric screw sweeper, and electric screw sweeper is used for cleaning
The viscous coal of drum surface.In northern area, winter temperature is extremely cold, and milling roller long-time is rolled on coal and will cause cylinder table
Coal is seriously glued in face, milling roller is rotated, it is impossible to work.The sweeper is driven by motor and a cycloidal planetary gear speed reducer,
The material bondd on milling roller can in time be cleaned out.
Used as a kind of preferred embodiment, the smooth rolling device of railway carriage coal includes controller, and controller is used for controlling
Motor positive and inverse, the on/off of control extending type tractive magnet, the brake of control hydraulic contracting formula clamp or unclamp and control
Electric screw sweeper processed is started or stoped.In this programme, control system unit is mainly by changing the control of motor direction of rotation
The lifting of milling roller processed and decline, by controlling the on/off of extending type tractive magnet control electric-magnetic lock brake is opened
Switch, the wherein lifting of milling roller respectively have 3 gears with declining, and can control the movement velocity of milling roller.
Used as a kind of preferred embodiment, milling roller framework 31 is set on slide column 1 by ram 12.In this programme
In, milling roller framework 31 has two torque arm 311, and the outside welding blocking arm 13 of torque arm 311, ram 12 is bolted on gear
On arm 13.Ram 12 is processed by spheroidal graphite cast-iron casting, is the outside dimension of slide column 1 of split type structure, endoporus and steel construction
Coordinate, slide on slide column 1.The tapping on outer wall boss, is connected with milling roller frame attachment plate with high-strength bolt.
To sum up, the smooth rolling device of railway carriage coal of the present embodiment, be able to can be completed to operate train car by one
Railway carriage or compartment coal is smooth to roll, by arrange electric-magnetic lock brake, can protect milling roller when not in use will not free-falling, it is electronic
Spiral cleaning device can ensure that equipment will freeze in the winter time viscous coal and clean out, and its each portion structure is welded steel and forms, and installs
Simplicity, firm and durable.This device can save the labour force in a large amount of smooth compartments, while enterprise's Coal Transport missing-ton is solved the problems, such as,
Entrucking efficiency is improve, is the efficient project of safety environment protecting energy saving.
It is aforementioned to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (10)
1. the smooth rolling device of a kind of railway carriage coal, it is characterised in that include：
Slide column, it is used for being built up in the both sides of track for a train, and the slide column upper end is provided with crossbeam；
Milling roller framework, it is slidably arranged on the slide column, and on the milling roller framework milling roller is arranged；And
Drive mechanism, the driving structure drives the milling roller framework vertical along the slideway by steel wire rope and changed course assembly pulley
Post is lifted or declined, and then the milling roller is pressed on compartment coal.
2. the smooth rolling device of railway carriage coal according to claim 1, it is characterised in that the drive mechanism includes
Motor and the hoist engine driven by the motor, the steel wire rope is three steel wire ropes, and of the steel wire rope passes through sister block
Group is connected with the hoist engine, and the upper end of the crossbeam and the milling roller framework is respectively provided with two pairs of single-sheaved block groups, the steel wire
Two of rope is each passed through the single-sheaved block group and is fixedly connected with the crossbeam.
3. the smooth rolling device of railway carriage coal according to claim 2, it is characterised in that the railway carriage coal
Smooth rolling device includes electric-magnetic lock brake, and the electric-magnetic lock brake includes：
Hangers, it is fixedly installed on the side of the milling roller framework；
Wallboard, it is fixedly installed on the top of the slide column, on the wallboard limited block is arranged；
Tabular latch hook, it is hinged on the wallboard, and under working condition, the tabular latch hook is supported on the limited block, institute
State hangers to mount with the tabular latch hook；
Extending type tractive magnet, it is used for being connected with the upper end of the tabular latch hook, and the extending type tractive magnet is used for
The tabular latch hook is withdrawn；And
Tension spring, it is used for being connected with the lower end of the tabular latch hook, and the tension spring is used for drawing the tabular latch hook
To locking position.
4. the smooth rolling device of railway carriage coal according to claim 3, it is characterised in that the milling roller include by
The cylinder that steel plate is rolled, the outer wall of the cylinder does encapsulated, and the two ends of the cylinder are welded with steel plate, the milling roller
Luminal perfusion concrete and Calx.
5. the smooth rolling device of railway carriage coal according to claim 4, it is characterised in that wear at the center of the cylinder
It is provided with hollow outer shaft, the hollow outer shaft and interior axle is provided with by support collar, the two ends axle journal of the interior axle passes through bearing
Seat is arranged on the milling roller framework.
6. the smooth rolling device of railway carriage coal according to claim 5, it is characterised in that the interior axle and the cylinder
The two ends of body are fixedly connected with tangential keys.
7. the smooth rolling device of railway carriage coal according to claim 6, it is characterised in that the drive mechanism includes
Hydraulic contracting formula brake, when the milling roller is pressed on compartment coal, the hydraulic contracting formula brake operation.
8. the smooth rolling device of railway carriage coal according to claim 7, it is characterised in that the drive mechanism includes
Electric screw sweeper, the electric screw sweeper is used for cleaning the viscous coal of the drum surface.
9. the smooth rolling device of railway carriage coal according to claim 8, it is characterised in that the railway carriage coal
Smooth rolling device includes controller, and the controller is used for controlling the motor positive and inverse, controls the extending type traction electricity
The on/off of Magnet, the control hydraulic contracting formula brake clamp or unclamp and control opening for the electric screw sweeper
Dynamic or stopping.
10. the smooth rolling device of railway carriage coal according to claim 9, it is characterised in that the milling roller framework
It is set on the slide column by ram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929170.7A CN106564767A (en) | 2016-10-31 | 2016-10-31 | Railway carriage coal flattening and rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929170.7A CN106564767A (en) | 2016-10-31 | 2016-10-31 | Railway carriage coal flattening and rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106564767A true CN106564767A (en) | 2017-04-19 |
Family
ID=58533483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610929170.7A Pending CN106564767A (en) | 2016-10-31 | 2016-10-31 | Railway carriage coal flattening and rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106564767A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326815A (en) * | 2017-09-04 | 2017-11-07 | 岑森参 | A kind of bridge construction device |
| CN113816170A (en) * | 2021-10-11 | 2021-12-21 | 江苏立源自动化工程有限公司 | Intelligent accurate loading system of coal |
| CN114380081A (en) * | 2022-01-21 | 2022-04-22 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
| CN115055407A (en) * | 2022-05-17 | 2022-09-16 | 华能伊敏煤电有限责任公司 | Automatic carriage cleaning device for rapid loading station |
| CN115092714A (en) * | 2022-05-31 | 2022-09-23 | 华能伊敏煤电有限责任公司 | Railway carriage coal levels rolling machine |
| CN115092715A (en) * | 2022-05-31 | 2022-09-23 | 华能伊敏煤电有限责任公司 | Novel loading station flatcar ware |
| CN115783811A (en) * | 2022-12-19 | 2023-03-14 | 中煤科工智能储装技术有限公司 | Coal flattening compaction device |
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| CN202508602U (en) * | 2012-04-26 | 2012-10-31 | 武汉钢铁(集团)公司 | Belt cleaner |
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| CN2130801Y (en) * | 1992-07-13 | 1993-04-28 | 滕卫国 | Safety device for preventing wrong fall of lifter |
| PL172563B1 (en) * | 1993-01-22 | 1997-10-31 | Ruhrkohle Ag | Apparatus for leveling particulate materials |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326815A (en) * | 2017-09-04 | 2017-11-07 | 岑森参 | A kind of bridge construction device |
| CN107326815B (en) * | 2017-09-04 | 2019-01-11 | 广东众强建设工程有限公司 | A kind of bridge construction device |
| CN113816170A (en) * | 2021-10-11 | 2021-12-21 | 江苏立源自动化工程有限公司 | Intelligent accurate loading system of coal |
| CN113816170B (en) * | 2021-10-11 | 2022-06-28 | 江苏立源自动化工程有限公司 | Intelligent accurate loading system of coal |
| CN114380081A (en) * | 2022-01-21 | 2022-04-22 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
| CN114380081B (en) * | 2022-01-21 | 2023-11-24 | 中煤科工智能储装技术有限公司 | Unmanned railway coal leveling and compacting system and method |
| CN115055407A (en) * | 2022-05-17 | 2022-09-16 | 华能伊敏煤电有限责任公司 | Automatic carriage cleaning device for rapid loading station |
| CN115092714A (en) * | 2022-05-31 | 2022-09-23 | 华能伊敏煤电有限责任公司 | Railway carriage coal levels rolling machine |
| CN115092715A (en) * | 2022-05-31 | 2022-09-23 | 华能伊敏煤电有限责任公司 | Novel loading station flatcar ware |
| CN115092715B (en) * | 2022-05-31 | 2023-11-07 | 华能伊敏煤电有限责任公司 | Novel loading station flatcar ware |
| CN115783811A (en) * | 2022-12-19 | 2023-03-14 | 中煤科工智能储装技术有限公司 | Coal flattening compaction device |
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Application publication date: 20170419 |
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| RJ01 | Rejection of invention patent application after publication |