CN109290035A - A kind of coal mine coal crusher - Google Patents
A kind of coal mine coal crusher Download PDFInfo
- Publication number
- CN109290035A CN109290035A CN201811135476.0A CN201811135476A CN109290035A CN 109290035 A CN109290035 A CN 109290035A CN 201811135476 A CN201811135476 A CN 201811135476A CN 109290035 A CN109290035 A CN 109290035A
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- motor
- level
- coal
- cracking cabin
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
Abstract
The invention discloses a kind of coal mine coal crushers, including level-one cracking cabin and two-stage crushing storehouse, the upper surface of the level-one cracking cabin is equipped with coal entrance, the top of level-one cracking cabin inner cavity is fixedly connected with fixing groove, the positive lower weld of level-one cracking cabin has outer cover, left side inside the level-one cracking cabin is equipped with clamping plate A, and the lower part of clamping plate A is provided with guide rail, the top of clamping plate A is slidably connected at the inside of fixing groove simultaneously, and the right side inside the level-one cracking cabin is equipped with clamping plate B.The present invention is handled using multiple stage crushing, coal first passes through level-one cracking cabin, motor C drives guide rail of the gear A by clamping plate A and the lower part clamping plate B, clamping plate A and clamping plate B is pulled to move toward one another, under the action of crushing needle, bulk coal is broken into fritter, is convenient for the break process in later period in this way, so that crushing effect substantially improves, crushing efficiency is greatly improved.
Description
Technical field
The present invention relates to coal crushing equipment technical field, specially a kind of coal mine coal crusher.
Background technique
Coal mine is the proportional space that the mankind are excavated when digging is rich in the geological stratification for having coal, generally includes tunnel, well
Cave and face etc..Coal is most important solid fuel, is one kind of kaustobilite.When distance of the coal seam away from earth's surface very
When close, it is typically chosen directly removing surface soil layer and excavates coal, this is open coal mine.China's overwhelming majority coal mine belongs to well work coal
Mine.Coal mine range includes the very big region of above and below ground and related facility.
Existing crusher encounters that volume is slightly larger, and it is bad that the little higher coal pieces of hardness just will appear crushing effect
Problem, traditional crusher only have one of crushing mechanism cause once coal amount is big get up once easily occur being crushed it is non-uniform
The Hatch Opening of problem, crusher cracking cabin generally on the market opens wide, and coal clast in shattering process is caused disorderly to fly so that causing
The problem of waste, existing crusher break off the coal particles come and problem not of uniform size often occur.Therefore we are to this
Improvement is made, proposes a kind of coal mine coal crusher.
Summary of the invention
To solve defect of the existing technology, the present invention provides a kind of coal mine coal crusher.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of coal mine coal crusher of the present invention, including level-one cracking cabin and two-stage crushing storehouse, the upper table of the level-one cracking cabin
Face is equipped with coal entrance, and the top of level-one cracking cabin inner cavity is fixedly connected with fixing groove, the level-one cracking cabin front
Lower weld have outer cover, the left side inside the level-one cracking cabin is equipped with clamping plate A, and the lower part of clamping plate A is provided with guide rail,
The top of clamping plate A is slidably connected at the inside of fixing groove simultaneously, and the right side inside the level-one cracking cabin is equipped with clamping plate B, and
The lower part of clamping plate B is provided with guide rail, while the top of clamping plate B is slidably connected at the inside of fixing groove, the inside peace of the outer cover
Equipped with motor C, front and the gear A of the motor C is rotatablely connected, and gear A is in the guide rail of clamping plate A and the guide rail of clamping plate B
Between, it is welded with crushing needle on the right side of the top the clamping plate A, crushing needle, the level-one are welded on the left of the top the clamping plate B
The lower weld of cracking cabin has a baffle storehouse, and the right side inside and outside the baffle storehouse is equipped with moving bin, the baffle storehouse it is interior
Portion is equipped with baffle, track is welded at left and right sides of the baffle upper surface, and the top of track is in the inside of moving bin,
The inside of the moving bin is equipped with motor D, and the side of the motor D is connect with drive rod rotation, and the drive rod is far from electricity
One end of machine D and gear B are rotatablely connected, and the gear B is connect with orbit rotation, and it is broken that the bottom in the baffle storehouse is welded with second level
Broken storehouse is fixedly connected with motor A on the left of the front lower part of the two-stage crushing storehouse, is fixedly connected with electricity on the right side of the motor A
Machine B, the inside of the motor A are rotatablely connected with the roller bearing B being located inside two-stage crushing storehouse, and the outer surface of the roller bearing B is removable
It unloads and is connected with crushing teeth, the inside of the roller bearing B and shaft are rotatablely connected, and are slidably connected at shaft on the inside of the shaft and are fixed
The inside of block, the inside of the motor B are rotatablely connected with the roller bearing A being located inside two-stage crushing storehouse, the outer surface of the roller bearing A
It is removably connected with crushing teeth, the inside of the roller bearing A and shaft are rotatablely connected, and are welded on two on the inside of the shaft fixed block
On the inner wall of grade cracking cabin, the bottom in the two-stage crushing storehouse is welded with discharge port, and four in the middle part of the warehouse of the two-stage crushing storehouse
A edge is welded with support leg.
As a preferred technical solution of the present invention, there are two the fixing grooves, and fixing groove is distributed in level-one and is crushed
Inside and outside the top of storehouse inner cavity.
As a preferred technical solution of the present invention, fixed link, the fixation are fixedly connected on the right side of the motor C
Bar is welded on the inner wall of outer cover far from one end of motor C.
As a preferred technical solution of the present invention, there are two the moving bins, and moving bin has been fitted without bottom
Plate, while port is provided on the right side of moving bin.
As a preferred technical solution of the present invention, the crushing needle have it is multiple, and be intertwined in clamping plate A and
On clamping plate B.
As a preferred technical solution of the present invention, the left and right sides inside the baffle storehouse is welded with baffle chute,
The inside of baffle chute is slidably connected at left and right sides of the baffle.
As a preferred technical solution of the present invention, the motor A and motor B are all made of heavy-duty motor, and motor A
Rotation direction identical as motor B revolving speed is opposite.
The beneficial effects of the present invention are: this kind of coal mine coal crusher, is handled, coal first passes through level-one using multiple stage crushing
Cracking cabin, motor C drives gear A to pass through the guide rail of clamping plate A and the lower part clamping plate B, clamping plate A and clamping plate B is pulled to move toward one another, broken
Under the action of broken needle, bulk coal is broken into fritter, is convenient for the break process in later period in this way, so that crushing effect changes significantly
Kind, crushing efficiency greatly improves.Motor D drives gear B rotation, and gear B rotation, which moves horizontally baffle by track, makes level-one
Fritter coal in cracking cabin falls into two-stage crushing storehouse, and the movement of baffle is driven with motor D, manpower has been liberated, has reduced people's
Workload also improves working efficiency.In two-stage crushing storehouse, motor A drives roller bearing B to rotate clockwise, and motor B drives roller bearing A
It rotates counterclockwise, it is uniformly neat on the surface of roller bearing A and roller bearing B that crushing teeth is installed, by the effect of crushing teeth by fritter
Coal be thoroughly crushed, the coal particles that crushing teeth evenly distributed but also break off comes are in the same size, by the layer of two-stage
Layer is broken, so that coal crushing is more thorough, effect is more preferable.Baffle plate setting is also prevented into coal in the centre of two stage crusher structure
Coal clast wastes situation caused by disorderly flying in charcoal shattering process.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of agent structure schematic diagram of coal mine coal crusher of the present invention；
Fig. 2 is a kind of level-one cracking cabin internal structure front view of coal mine coal crusher of the present invention；
Fig. 3 is a kind of baffle storehouse internal structure top view of coal mine coal crusher of the present invention；
Fig. 4 is a kind of two-stage crushing storehouse internal structure top view of coal mine coal crusher of the present invention.
In figure: 1 coal entrance, 2 fixing grooves, 3 level-one cracking cabins, 4 outer covers, 5 baffle storehouses, 6 two-stage crushing storehouses, 7 motor A, 8
Discharge port, 9 motor B, 10 support legs, 11 moving bins, 12 crushing needles, 13 clamping plate A, 14 motor C, 15 gear As, 16 brackets, 17 are consolidated
Fixed pole, 18 clamping plate B, 19 motor D, 20 gear Bs, 21 drive rods, 22 tracks, 23 baffles, 24 baffle chutes, 25 roller bearing A, 26 are crushed
Tooth, 27 shafts, 28 shaft fixed blocks, 29 roller bearing B.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment: as shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of coal mine coal crusher of the present invention, including level-one cracking cabin
3 and two-stage crushing storehouse 6, level-one cracking cabin 3 is used to for bulk coal being broken into fritter coal, and two-stage crushing storehouse 6 is for coal
Finished breaking, the upper surface of level-one cracking cabin 3 are equipped with coal entrance 1, and coal is added to level-one cracking cabin 3 from coal entrance 1
In, the top of 3 inner cavity of level-one cracking cabin is fixedly connected with fixing groove 2, and fixing groove 2 is for fixing inside level-one cracking cabin 3
Clamping plate A13 and clamping plate B18, the positive lower weld of level-one cracking cabin 3 have outer cover 4, and for outer cover 4 for protecting motor C14, level-one is broken
Left side inside broken storehouse 3 is equipped with clamping plate A13, and the lower part of clamping plate A13 is provided with guide rail, and guide rail is used for the transmission of gear A 15,
The top of clamping plate A13 is slidably connected at the inside of fixing groove 2 simultaneously, and the right side inside level-one cracking cabin 3 is equipped with clamping plate B18,
And the lower part of clamping plate B18 is provided with guide rail, guide rail is used for the transmission of gear A 15, while the top of clamping plate B18 is slidably connected at admittedly
Determine the inside of slot 2, the inside of outer cover 4 is equipped with motor C14, and front and the gear A 15 of motor C14 is rotatablely connected, and gear A 15
Between guide rail in clamping plate A13 and the guide rail of clamping plate B18, crushing needle 12, clamping plate B18 are welded on the right side of the top clamping plate A13
Crushing needle 12 is welded on the left of top, motor C14 drives gear A 15 to pass through the guide rail of clamping plate A13 and the lower part clamping plate B18, draws
Dynamic clamping plate A13 and clamping plate B18 is moved toward one another, and under the action of crushing needle 12, bulk coal is broken into fritter, after being convenient in this way
The break process of phase, so that crushing effect substantially improves, crushing efficiency is greatly improved, and the lower weld of level-one cracking cabin 3 has gear
Plate storehouse 5, the right side inside and outside baffle storehouse 5 are equipped with moving bin 11, and the inside in baffle storehouse 5 is equipped with baffle 23, on baffle 23
Track 22 is welded at left and right sides of surface, and the top of track 22 is in the inside of moving bin 11, the inside peace of moving bin 11
Equipped with motor D19, the side of motor D19 and drive rod 21 are rotatablely connected, drive rod 21 one end and gear far from motor D19
B20 rotation connection, gear B 20 and track 22 are rotatablely connected, and motor D19 drives gear B 20 to rotate, and the rotation of gear B 20 passes through rail
Road 22, which moves horizontally baffle 23, makes the fritter coal in level-one cracking cabin 3 fall into two-stage crushing storehouse 6, is driven and is kept off with motor D19
The movement of plate 23, has liberated manpower, and the workload for reducing people also improves working efficiency, and the bottom in baffle storehouse 5 is welded with two
Grade cracking cabin 6, two-stage crushing storehouse 6 are fixedly connected with motor A7 on the left of positive lower part, are fixedly connected with electricity on the right side of motor A7
Machine B9, the inside of motor A7 are rotatablely connected with the roller bearing B29 being located inside two-stage crushing storehouse 6, and the outer surface of roller bearing B29 is detachable
It is connected with crushing teeth 26, the inside of roller bearing B29 and shaft 27 are rotatablely connected, and the inside of shaft 27 is slidably connected at shaft fixed block
28 inside, the inside of motor B9 are rotatablely connected with the roller bearing A25 being located inside two-stage crushing storehouse 6, and the outer surface of roller bearing A25 can
Dismantling connection has crushing teeth 26, and the inside of roller bearing A25 and shaft 27 are rotatablely connected, and the inside of shaft fixed block 28 is welded on second level
On the inner wall of cracking cabin 6, shaft fixed block 28 is for fixed roller A25 and roller bearing B29, so that shattering process is more stable, electricity
Machine A7 drives roller bearing B29 to rotate clockwise, and motor B9 drives roller bearing A25 to rotate counterclockwise, the surface of roller bearing A25 and roller bearing B29
It is upper it is uniformly neat crushing teeth 26 is installed, the coal of fritter is thoroughly crushed by the effect of crushing teeth 26, crushing teeth 26
It is evenly distributed but also break off come coal particles it is in the same size, by being crushed layer by layer for two-stage, so that coal crushing is more
Thoroughly, effect is more preferable, and the bottom in two-stage crushing storehouse 6 is welded with discharge port 8, completes broken coal from discharge port 8 and concentrates row
Out, four edges in the middle part of 6 warehouse of two-stage crushing storehouse are welded with support leg 10, and support leg 10 is used to integrally provide branch to device
Support force.
Wherein, there are two fixing grooves 2, and fixing groove 2 is distributed in inside and outside 3 inner cavity top of level-one cracking cabin, fixed
Slot 2 is used to fix the clamping plate A13 and clamping plate B18 inside level-one cracking cabin 3, more puts down so that clamping plate A13 and clamping plate B18 is mobile
Surely.
Wherein, fixed link 17 is fixedly connected on the right side of motor C14, fixed link 17 is welded on far from one end of motor C14
On the inner wall of outer cover 4, fixed link 17, so that motor C14 is not subjected to displacement, passes through the transmission of gear A 15 for fixing motor C14
It is subjected to displacement two clamping plates.
Wherein, there are two moving bins 11, and moving bin 11 has been fitted without lower plate, while the right side setting of moving bin 11
There is port, such design is not so that moving bin 11 and the displacement of baffle 23 conflict.
Wherein, crushing needle 12 has multiple, and is intertwined on clamping plate A13 and clamping plate B18, it is such design so that
The crushing needle 12 on both sides will not be hit together.
Wherein, the left and right sides inside baffle storehouse 5 is welded with baffle chute 24, and the left and right sides of baffle 23 is slidably connected at
The inside of baffle chute 24, baffle chute 24 make the movement of baffle 23 more steady, are adapted to baffle 23 on the move
The weight of coal in level-one cracking cabin 3.
Wherein, motor A7 and motor B9 are all made of heavy-duty motor, and motor A7 rotation direction identical as motor B9 revolving speed
On the contrary, the identical rotation direction of revolving speed ensure that the coal particles for breaking off and are in the same size on the contrary, but also crushing efficiency is significantly
It improves.
When work, coal is added in level-one cracking cabin 3 from coal entrance 1, in level-one cracking cabin 3, in outer cover 4
The motor C14 in portion drives gear A 15 to pass through the guide rail of clamping plate A13 and the lower part clamping plate B18, pulls clamping plate A13 and clamping plate B18 opposite
Movement, under the action of crushing needle 12, is broken into fritter for bulk coal, and after being crushed well, motor D19 drives gear B 20 to rotate,
The rotation of gear B 20, which moves horizontally baffle 23 by track 22, makes the fritter coal in level-one cracking cabin 3 fall into two-stage crushing storehouse
6, after the coal in level-one cracking cabin 3 falls completely within two-stage crushing storehouse 6, motor D19 reversion moves baffle 23 back to continue to block up
Between level-one cracking cabin 3 and two-stage crushing storehouse 6, with continuing to be crushed new coal in rear stage cracking cabin 3, at the same time,
In two-stage crushing storehouse 6, motor A7 drives roller bearing B29 to rotate clockwise, and motor B9 drives roller bearing A25 to rotate counterclockwise, roller bearing A25
Crushing teeth 26 is installed with uniformly neat on the surface of roller bearing B29, it is by the effect of crushing teeth 26 that the coal of fritter is thorough
Broken, the coal particles that crushing teeth 26 evenly distributed but also break off comes are in the same size, and broken finished product is from discharge port 8
Discharge is concentrated, broken overall process is so far completed.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (7)
1. a kind of coal mine coal crusher, including level-one cracking cabin (3) and two-stage crushing storehouse (6), which is characterized in that the level-one
The upper surface of cracking cabin (3) is equipped with coal entrance (1), and the top of level-one cracking cabin (3) inner cavity is fixedly connected with fixation
Slot (2), the positive lower weld of the level-one cracking cabin (3) have outer cover (4), the internal left side peace of the level-one cracking cabin (3)
Equipped with clamping plate A(13), and clamping plate A(13) lower part be provided with guide rail, while clamping plate A(13) top be slidably connected at fixing groove
(2) inside, the internal right side of the level-one cracking cabin (3) are equipped with clamping plate B(18), and clamping plate B(18) lower part be provided with
Guide rail, while clamping plate B(18) top be slidably connected at the inside of fixing groove (2), the inside of the outer cover (4) is equipped with motor
C(14), the motor C(14) front with gear A (15) be rotatablely connected, and gear A (15) be in clamping plate A(13) guide rail and
Clamping plate B(18) guide rail between, the clamping plate A(13) be welded with crushing needle (12), the clamping plate B(18 on the right side of top) top
Left side be welded with crushing needle (12), the lower weld of the level-one cracking cabin (3) has baffle storehouse (5), in the baffle storehouse (5)
It is equipped on the right side of outer two sides moving bin (11), the inside of the baffle storehouse (5) is equipped with baffle (23), on the baffle (23)
It is welded at left and right sides of surface track (22), and the top of track (22) is in the inside of moving bin (11), the moving bin
(11) inside is equipped with motor D(19), the motor D(19) side and drive rod (21) be rotatablely connected, the drive rod
(21) one end and gear B (20) far from motor D(19) are rotatablely connected, and the gear B (20) and track (22) are rotatablely connected, institute
The bottom for stating baffle storehouse (5) is welded with two-stage crushing storehouse (6), and the two-stage crushing storehouse (6) is fixedly connected on the left of positive lower part
Have motor A(7), the motor A(7) on the right side of be fixedly connected with motor B(9), the motor A(7) inside be located at second level
The internal roller bearing B(29 of cracking cabin (6)) rotation connection, the roller bearing B(29) outer surface be removably connected with crushing teeth (26),
The roller bearing B(29) inside and shaft (27) be rotatablely connected, be slidably connected at shaft fixed block on the inside of the shaft (27)
(28) inside, the motor B(9) inside roller bearing A(25 internal with two-stage crushing storehouse (6) are located at) rotation connection, it is described
Roller bearing A(25) outer surface be removably connected with crushing teeth (26), the roller bearing A(25) inside and shaft (27) rotation connect
It connects, is welded on the inner wall of two-stage crushing storehouse (6) on the inside of the shaft fixed block (28), the bottom of the two-stage crushing storehouse (6)
Portion is welded with discharge port (8), and four edges in the middle part of two-stage crushing storehouse (6) warehouse are welded with support leg (10).
2. a kind of coal mine coal crusher according to claim 1, which is characterized in that there are two the fixing grooves (2), and
Fixing groove (2) is distributed in inside and outside level-one cracking cabin (3) inner cavity top.
3. a kind of coal mine coal crusher according to claim 1, which is characterized in that the motor C(14) right side it is solid
Surely it is connected with fixed link (17), the fixed link (17) is welded on the inner wall of outer cover (4) far from one end of motor C(14).
4. a kind of coal mine coal crusher according to claim 1, which is characterized in that there are two the moving bins (11),
And moving bin (11) has been fitted without lower plate, while being provided with port on the right side of moving bin (11).
5. a kind of coal mine coal crusher according to claim 1, which is characterized in that the crushing needle (12) have it is multiple,
And be intertwined in clamping plate A(13) and clamping plate B(18) on.
6. a kind of coal mine coal crusher according to claim 1, which is characterized in that the internal left side of the baffle storehouse (5)
Right two sides are welded with baffle chute (24), and the inside of baffle chute (24) is slidably connected at left and right sides of the baffle (23).
7. a kind of coal mine coal crusher according to claim 1, which is characterized in that the motor A(7) and motor B(9)
It is all made of heavy-duty motor, and motor A(7) rotation direction identical as motor B(9) revolving speed is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135476.0A CN109290035A (en) | 2018-09-28 | 2018-09-28 | A kind of coal mine coal crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135476.0A CN109290035A (en) | 2018-09-28 | 2018-09-28 | A kind of coal mine coal crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109290035A true CN109290035A (en) | 2019-02-01 |
Family
ID=65164468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811135476.0A Pending CN109290035A (en) | 2018-09-28 | 2018-09-28 | A kind of coal mine coal crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109290035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389556A (en) * | 2020-03-30 | 2020-07-10 | 梁榕基 | Improved coal crusher and method |
| CN112221573A (en) * | 2020-09-11 | 2021-01-15 | 涡阳县晟丰新型建材有限公司 | Crushing device for coal gangue brick production and using method thereof |
-
2018
- 2018-09-28 CN CN201811135476.0A patent/CN109290035A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389556A (en) * | 2020-03-30 | 2020-07-10 | 梁榕基 | Improved coal crusher and method |
| CN112221573A (en) * | 2020-09-11 | 2021-01-15 | 涡阳县晟丰新型建材有限公司 | Crushing device for coal gangue brick production and using method thereof |
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Application publication date: 20190201 |