CN113578427B - Stone-breaking machine for coal mine exploitation and stone-breaking method thereof - Google Patents
Stone-breaking machine for coal mine exploitation and stone-breaking method thereof Download PDFInfo
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- CN113578427B CN113578427B CN202110858740.9A CN202110858740A CN113578427B CN 113578427 B CN113578427 B CN 113578427B CN 202110858740 A CN202110858740 A CN 202110858740A CN 113578427 B CN113578427 B CN 113578427B
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- fixed
- plate
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- jaw
- eccentric shaft
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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
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
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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
- 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
- B02C23/02—Feeding devices
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- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of coal mining, and discloses a stone breaker for coal mining, which comprises a fixed box, wherein an eccentric shaft is movably arranged at the top of the right side of the fixed box, and belt pulleys are fixedly sleeved at two ends of the eccentric shaft and positioned at the outer side of the fixed box. Through the equidistance setting of fixed jaw, can effectively reduce the pressurized area to colliery stone, the increase is sheared broken effect to colliery stone, increase broken efficiency, simultaneously, reduce the area of contact with the coal ore, effectively prevent the colliery adhesion to fixed jaw on, cause the jam to broken passageway, simultaneously through the setting of pressurized jaw, make it pass through the drive of transfer line and movable support board by the eccentric shaft, carry out the swing of certain frequency, release the colliery of card between fixed jaw, effectively prevent the coal ore card between fixed jaw, and clear up and support the side of fixed jaw, increase the smoothness and the structural strength of fixed jaw.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a stone breaker for coal mining and a stone breaking method thereof.
Background
The working part of the stone removing machine is composed of two jaw plates, namely a fixed jaw plate which is vertically fixed on the front wall of the machine body, and a movable jaw plate which is inclined in position and forms a crushing cavity with a big upper part and a small lower part with the fixed jaw plate, wherein the movable jaw plate is driven by an eccentric shaft to do periodic reciprocating motion opposite to the fixed jaw plate, and is separated from each other and is close to each other, when separated from each other, materials enter the crushing cavity, and finished products are discharged from the lower part; when the two jaw plates are close to each other, materials arranged between the two jaw plates are extruded, bent and split to be broken, and coal stones at the mining position can be broken during coal mining, but the two jaw plates have some defects in the using process, such as the following:
firstly, because the coal ore is more fragile in texture, the breakage is easier, but in the crushing process, in order to reduce dust in the crushing process, water is sprayed, and meanwhile, when the coal ore is mined from underground, the coal ore contains a large amount of water, and then when the movable jaw plate is used for crushing the coal ore in an extrusion way, broken coal is adhered to a gap on the fixed jaw plate, so that the gap between the fixed jaw plate and the movable jaw plate is smaller and smaller, the coal mine cannot fall down, the crushing efficiency of the coal mine stone is affected, and on the other hand, the coal adhered to the fixed jaw plate plays a buffering role on the coal mine stone, and the crushing effect is reduced.
Secondly, when the movable jaw plate extrudes coal ore, the reaction force of the coal ore is transmitted to the eccentric shaft, so that the joint of the two ends of the eccentric shaft and the fixing frame is bent and the supporting bearing is damaged, and the eccentric shaft is severely rocked in the subsequent transmission process, and even the eccentric shaft is broken, so that equipment is damaged.
Disclosure of Invention
The stone breaker for coal mine exploitation and the stone breaking method thereof have the advantages of good stone breaking effect and long service life, and solve the problems in the background technology.
The invention provides the following technical scheme: the utility model provides a colliery is opened and is used stone machine with, includes the fixed box, the right side top movable mounting eccentric shaft of fixed box, the outside fixed sleeve of both ends and being located the fixed box of eccentric shaft has the belt pulley, movable jaw has been cup jointed through the bearing activity on the eccentric shaft, movable jaw right side bottom swing joint has the thrust plate, thrust plate and fixed box swing joint, movable jaw's bottom and the below fixedly connected with damping rod that is located the thrust plate, the subaerial fixed mounting of fixed box right side has the fixing base, damping rod's right-hand member and fixing base fixed connection, fixed mounting has driving motor on the fixing base, driving motor passes through belt and belt pulley transmission connection, the inside of fixed box and the left side fixed mounting that is located movable jaw has the fixed jaw, the transmission pole has been cup jointed in the activity of the both sides that is located the movable jaw on the eccentric shaft, the left end swing joint of transmission pole has the movable support plate, the even fixedly connected with pressurized jaw in right side of movable support plate, the bottom front and the back of movable jaw respectively swing joint have the connecting rod, the left side swing joint has the connecting rod and the inside connecting rod of movable support device.
Preferably, the number of the fixed jaws is 5-9, the fixed jaws are vertically distributed at equal intervals, and the pressed jaws are movably clamped between two adjacent fixed jaws.
Preferably, the left side of the fixed jaw plate is fixedly connected with a supporting rib plate, and the left end of the supporting rib plate is fixedly connected with the inner wall of the fixed box.
Preferably, the supporting connecting rod device consists of two connecting rods, namely a first connecting rod and a second connecting rod, wherein two ends of the first connecting rod are respectively movably connected with the left side of the movable supporting plate and the bottom surface of the fixed box, and two ends of the second connecting rod are respectively movably connected with the middle part of the left side of the first connecting rod and the inner wall of the left side of the fixed box.
The invention has the following beneficial effects:
1. through the equidistance setting of fixed jaw, can effectively reduce the pressurized area to colliery stone, the increase is sheared broken effect to colliery stone, increase broken efficiency, simultaneously, reduce the area of contact with the coal ore, effectively prevent the colliery adhesion to fixed jaw on, cause the jam to broken passageway, simultaneously through the setting of pressurized jaw, make it pass through the drive of transfer line and movable support board by the eccentric shaft, carry out the swing of certain frequency, release the colliery of card between fixed jaw, effectively prevent the coal ore card between fixed jaw, and clear up and support the side of fixed jaw, increase the smoothness and the structural strength of fixed jaw.
2. Through the arrangement of the movable supporting plate and the movable connecting rod, the crushed coal mine stone enters between the fixed jaw plates to press the extrusion force F of the pressed jaw plates 2 To counteract the reaction force F of the movable jaw plate on the coal ore when the movable jaw plate extrudes and breaks the coal ore 1 The eccentric shaft bearing reduces the acting force exerted on the eccentric shaft, reduces the force transmitted to the fixed box, effectively prevents the eccentric shaft from bending, reduces the pressure for supporting the eccentric shaft bearing, improves the protection of the eccentric shaft, increases the service life of the eccentric shaft, and reduces the maintenance cost.
Drawings
FIG. 1 is a schematic top view of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic view of the local stress of the structure of the present invention;
fig. 4 is a schematic view of the eccentric shaft with the structure of the present invention.
In the figure: 1. a fixed box; 2. a fixed jaw plate; 3. an eccentric shaft; 4. a movable jaw plate; 5. a thrust plate; 6. a vibration damping rod; 7. a belt pulley; 8. a driving motor; 9. a transmission rod; 10. a movable connecting rod; 11. a movable support plate; 12. a compression jaw plate; 13. a support link arrangement; 14. a support rib plate; 15. a partition board.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a stone breaker for coal mine exploitation comprises a fixed box 1, an eccentric shaft 3 is movably mounted at the top of the right side of the fixed box 1, two ends of the eccentric shaft 3 are fixedly sleeved with a belt pulley 7, a movable jaw plate 4 is movably sleeved on the eccentric shaft 3 through a bearing, a thrust plate 5 is movably connected to the bottom of the right side of the movable jaw plate 4, a vibration reduction rod 6 is fixedly connected to the bottom of the movable jaw plate 4 and below the thrust plate 5, a fixing seat is fixedly mounted on the ground on the right side of the fixed box 1, the right end of the vibration reduction rod 6 is fixedly connected with the fixing seat, a driving motor 8 is fixedly mounted on the fixing seat, the driving motor 8 is in transmission connection with the belt pulley 7 through a belt, a transmission rod 9 is movably sleeved on the two sides of the eccentric shaft 3, a movable support plate 11 is movably connected to the left side of the movable jaw plate 9, a pressed jaw plate 12 is uniformly and fixedly connected to the right side of the movable support plate 11, the bottom of the movable jaw plate 4 and the left side of the movable support plate 10 are respectively movably connected with the left side of the movable support plate 10, a connecting rod 13 is fixedly connected to the left side of the movable support plate 10 and the movable support plate 15, and a connecting rod 15 is fixedly connected to the left side of the movable support plate 10 is movably connected to the left side of the movable support plate 11.
Firstly, fixed jaw 2 has 5-9, and be equidistant perpendicular distribution, movable joint has pressurized jaw 12 between two adjacent fixed jaw 2, on the one hand, with fixed jaw 2 equidistance setting, can effectively reduce the pressurized area to colliery stone, increase the effect to colliery stone shearing and crushing, increase broken efficiency, simultaneously, reduce the area of contact with the coal ore, effectively prevent the colliery adhesion to fixed jaw 2, cause the jam to the broken passageway, on the other hand, by the wobbling of eccentric shaft 3 through transmission pole 9 and movable connection pole 10 drive, make pressurized jaw 12 follow movable support plate 11 and carry out the swing of certain frequency, release the colliery of card between fixed jaw 2, effectively prevent the coal card between fixed jaw 2, and clear up and support the side of fixed jaw 2, increase the smoothness and the structural strength of fixed jaw 2.
Firstly, the left side fixedly connected with supporting rib plate 14 of fixed jaw 2, the left end of supporting rib plate 14 and the inner wall fixed connection of fixed case 1 increase the horizontal holding power of fixed jaw 2, increase the structural strength of fixed jaw 2, effectively prevent it to receive the crooked rupture of extrusion force.
The first supporting link device 13 is composed of two connecting rods, namely a first connecting rod and a second connecting rod, two ends of the first connecting rod are movably connected with the left side of the movable supporting plate 11 and the bottom surface of the fixed box 1 respectively, two ends of the second connecting rod are movably connected with the middle part of the left side of the first connecting rod and the left inner wall of the fixed box 1 respectively, and the movable supporting plate 11 is supported, so that the movable supporting plate 11 can swing in a certain rule under the driving of the transmission rod 9 and the movable connecting rod 10.
The working principle is that the mined coal mine stones are transmitted into the fixed box 1 through the conveying belt, and between the fixed box 1 and the movable jaw plate 4, the driving motor 8 drives the belt pulley 7 to rotate through the belt, and then the belt pulley 7 drives the eccentric shaft 3 to rotate, so that the top of the movable jaw plate 4 is driven to move forwardThe coal ore falls from the upper part and is accumulated between the movable jaw plate 4 and the fixed jaw plate 2, when the movable jaw plate 4 approaches the fixed jaw plate 2, the coal mine stone is extruded and crushed, and the crushed coal mine stone is discharged from a gap between the fixed jaw plate 2 and the movable jaw plate 4 under the action of gravity; and (3) stress analysis: when the movable jaw plate 4 extrudes the coal mine stone, the coal mine stone is subjected to extrusion force F 1 At the same time, the movable jaw 4 receives the reaction force F of the coal ore 1 Reaction force F 1 Transmitting to the eccentric shaft 3, and simultaneously, the crushed coal mine stone enters between the fixed jaw plates 2 to squeeze the compression jaw plates 12, so that the compression jaw plates 12 are subjected to the squeezing force F 2 At this time, the pressing force F 2 By the transmission of the movable supporting plate 11 and the transmission rod 9, a certain pulling force F is formed on the eccentric shaft 3 2 Counteracting a part of the reaction force F acting on the eccentric shaft 3 1 At the same time, when the eccentric shaft 3 moves leftwards and presses the coal mine stone, a pulling force F is provided for the movable supporting plate 11 at the moment of moving rightwards and far 3 With reaction force F 1 The eccentric shafts 3 are alternately acted, so that the bending of the eccentric shafts 3 is effectively prevented, the service life of the eccentric shafts 3 is prolonged, and the maintenance cost is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a colliery is opened and is used stone machine with, includes fixed case (1), right side top movable mounting eccentric shaft (3) of fixed case (1), the both ends of eccentric shaft (3) and be located the outside fixed belt pulley (7) that have cup jointed of fixed case (1), movable jaw (4) have been cup jointed through the bearing activity on eccentric shaft (3), movable jaw (4) right side bottom swing joint has thrust plate (5), thrust plate (5) and fixed case (1) swing joint, the bottom of movable jaw (4) just is located the below fixedly connected with shock attenuation pole (6) of thrust plate (5), subaerial fixed mounting of fixed case (1) right side, the right-hand member and the fixed seat fixed connection of shock attenuation pole (6), fixed mounting has driving motor (8) on the fixed seat, driving motor (8) are connected with belt pulley (7) transmission through the belt, its characterized in that: the novel movable jaw plate is characterized in that a fixed jaw plate (2) is fixedly installed in the fixed box (1) and located on the left side of the movable jaw plate (4), transmission rods (9) are movably sleeved on the eccentric shaft (3) and located on the two sides of the movable jaw plate (4), a movable supporting plate (11) is movably connected to the left end of each transmission rod (9), pressed jaw plates (12) are uniformly and fixedly connected to the right side of each movable supporting plate (11), movable connecting rods (10) are movably connected to the front side and the back side of the bottom of each movable jaw plate (4), the left end of each movable connecting rod (10) is movably connected with the bottom of each movable supporting plate (11), supporting connecting rod devices (13) are symmetrically and movably connected to the left side of each movable supporting plate (11), a partition plate (15) is fixedly installed between each movable jaw plate (4) and each transmission rod (9), and the fixed jaw plates (2) are 5-9 and are vertically distributed at equal intervals, and the two adjacent movable clamping plates between the fixed jaw plates (2) are connected with the pressed jaw plates (12).
2. The stone breaker for coal mine exploitation according to claim 1, wherein: the left side of fixed jaw (2) fixedly connected with supporting rib plate (14), the left end of supporting rib plate (14) is fixedly connected with the inner wall of fixed box (1).
3. The stone breaker for coal mine exploitation according to claim 1, wherein: the supporting connecting rod device (13) consists of two connecting rods, namely a first connecting rod and a second connecting rod, wherein two ends of the first connecting rod are movably connected with the left side of the movable supporting plate (11) and the bottom surface of the fixed box (1) respectively, and two ends of the second connecting rod are movably connected with the middle part of the left side of the first connecting rod and the inner wall of the left side of the fixed box (1) respectively.
4. A method of breaking stone for a stone breaker for coal mine mining according to any one of claims 1 to 3, comprising the steps of:
s1: the mined coal mine stones are transmitted to the inside of the fixed box (1) through the conveying belt, and a belt pulley (7) is driven to rotate by a driving motor (8) through a belt between the fixed box (1) and the movable jaw plate (4), and then the belt pulley (7) drives the eccentric shaft (3) to rotate, so that the top of the movable jaw plate (4) swings reciprocally;
s2: coal ore falls from the upper part and is accumulated between the movable jaw plate (4) and the fixed jaw plate (2), when the movable jaw plate (4) is close to the fixed jaw plate (2), coal ore is extruded and crushed, and the crushed coal ore is discharged from a gap between the fixed jaw plate (2) and the movable jaw plate (4) under the action of gravity;
s3: when the movable jaw plate (4) extrudes the coal mine stone, the coal mine stone is subjected to extrusion force F 1 At the same time, the movable jaw plate (4) receives the reaction force F of the coal ore 1 Reaction force F 1 Transmitting to the eccentric shaft (3), and simultaneously, the crushed coal mine stone enters between the fixed jaw plates (2) to squeeze the pressed jaw plates (12) so that the pressed jaw plates (12) are subjected to the squeezing force F 2 At this time, the pressing force F 2 Through the transmission of the movable supporting plate (11) and the transmission rod (9), a certain tensile force F is formed on the eccentric shaft (3) 2 Counteracting a part of the reaction force F acting on the eccentric shaft (3) 1 Simultaneously, when the eccentric shaft (3) moves leftwards and presses the coal mine stone, a pulling force F is provided for the movable supporting plate (11) at the moment of rightward movement 3 At this time, the movable supporting plate (11) provides a reverse pulling force F for the eccentric shaft (3) 3 Reverse pull force F 3 With reaction force F 1 To eccentric shaft(3) The alternating effect is formed, the bending of the eccentric shaft (3) is effectively prevented, the service life of the eccentric shaft (3) is prolonged, and the maintenance cost is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858740.9A CN113578427B (en) | 2021-07-28 | 2021-07-28 | Stone-breaking machine for coal mine exploitation and stone-breaking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110858740.9A CN113578427B (en) | 2021-07-28 | 2021-07-28 | Stone-breaking machine for coal mine exploitation and stone-breaking method thereof |
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| Publication Number | Publication Date |
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| CN113578427A CN113578427A (en) | 2021-11-02 |
| CN113578427B true CN113578427B (en) | 2023-04-25 |
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| CN202110858740.9A Active CN113578427B (en) | 2021-07-28 | 2021-07-28 | Stone-breaking machine for coal mine exploitation and stone-breaking method thereof |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202028419U (en) * | 2011-03-28 | 2011-11-09 | 浙江黑白矿山机械有限公司 | Multifunctional crushing pair capable of self-shaping tooth profile |
| CN205815782U (en) * | 2016-07-22 | 2016-12-21 | 登封市少林耐火材料有限公司 | A kind of jaw crusher tooth plate |
| KR101828218B1 (en) * | 2017-08-29 | 2018-02-12 | 김경자 | Jaw crusher for crushing waste recycled aggregate |
| CN209613074U (en) * | 2019-02-28 | 2019-11-12 | 四川清贝科技技术开发有限公司 | A kind of jaw crusher with bainitic steel Jaw plate |
| CN210994445U (en) * | 2019-09-05 | 2020-07-14 | 大石桥市兴业矿产品有限责任公司 | Jaw crusher |
| CN112191298A (en) * | 2020-09-25 | 2021-01-08 | 安徽省恒金矿业有限公司 | Low-consumption energy-saving limestone crushing device |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Zhihua Inventor after: Chen Xu Inventor after: Yue Xuewei Inventor after: Wang Zhongyou Inventor before: Wang Zhongyou |
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Effective date of registration: 20230317 Address after: Room 801, Dashunfa Commercial Building, Lingxi Town, Cangnan County, Wenzhou City, Zhejiang Province, 325800 Applicant after: Zhejiang Huayue Mine Engineering Co.,Ltd. Address before: 511400 No. 8, Gongye Road, Hualong Town, Panyu District, Guangzhou City, Guangdong Province Applicant before: Wang Zhongyou |
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