CN116750405A - Scraper conveyor for coal mine production and conveying method thereof - Google Patents
Scraper conveyor for coal mine production and conveying method thereof Download PDFInfo
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- CN116750405A CN116750405A CN202310563759.XA CN202310563759A CN116750405A CN 116750405 A CN116750405 A CN 116750405A CN 202310563759 A CN202310563759 A CN 202310563759A CN 116750405 A CN116750405 A CN 116750405A
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- 239000003245 coal Substances 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000007790 scraping Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
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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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
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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
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
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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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/14—Pulverising loaded or unloaded materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a scraper conveyor for coal mine production and a conveying method thereof, and relates to the technical field of coal mine conveying, wherein the scraper conveyor comprises a conveying box and a feeding box, the left end part of the top surface of the conveying box is provided with the feeding box, two sides in the feeding box are provided with a pair of chains, each chain is sequentially sleeved on a corresponding chain wheel and is in meshed transmission connection, and a plurality of L-shaped scrapers are arranged between the opposite surfaces of the pair of chains; the conveying box is internally provided with a conveying belt which is sequentially sleeved on the corresponding rollers and is in transmission connection; the middle part is equipped with first crushing axle in the feeding box, is equipped with a plurality of first crushing reamer on the first crushing axle, and the feeding box both sides are equipped with a pair of second crushing axle, all are equipped with a plurality of second crushing reamer on every second crushing axle. The utility model can effectively reduce the abrasion degree of the conveying belt and the L-shaped scraping plate, prolong the service life of the conveyor, improve the crushing effect of coal mine materials and ensure the stability of the subsequent coal mine material conveying operation.
Description
Technical Field
The utility model relates to the technical field of coal mine conveying, in particular to a scraper conveyor for coal mine production and a conveying method thereof.
Background
The utility model discloses a scraper conveyor (publication number: CN 216686057U) for coal mine production, which comprises a conveyor substrate, wherein the front end and the rear end of the top of the conveyor substrate are fixedly connected with protection plates, the top of the inner side of each protection plate is provided with a conveying belt, the surface of each conveying belt is fixedly connected with a connecting block, the top of each connecting block is movably connected with a scraper body, the top of the conveyor substrate is movably connected with a cleaning mechanism, and the bottom of each scraper body is provided with a connecting mechanism.
The current scraper conveyor has the following disadvantages: 1. the scraper is a main part for conveying, the conveying belt is a main part for bearing pressure, the condition that large coal blocks, ores and the like fall down to hit the conveying belt and the scraper often exists in the long-term operation process of the conveyor, the damage of the conveying belt can be caused for a long time, and the service life of the whole scraper conveyor is reduced; 2. the device is characterized in that the device is used for carrying out follow-up conveying operation aiming at large coal blocks and ores by adopting early-stage crushing thickness, the current crushing mode is single, the crushing effect cannot be guaranteed, the phenomenon that large-particle coal mine materials block the scraping plates and the chains occurs, and the working efficiency of the scraping plate conveyor is reduced.
Disclosure of Invention
The utility model aims to solve the defects that a scraper conveyor in the prior art is easy to wear and does not have a crushing function, and provides the scraper conveyor for coal mine production.
In order to solve the problems that a scraper conveyor in the prior art is easy to wear and does not have a crushing function, the utility model adopts the following technical scheme:
the utility model provides a scraper conveyor of colliery production, includes delivery box, feeding case, the top surface left end portion of delivery box is equipped with the feeding case of through connection, the interior front and back both sides wall of delivery box inserts and is equipped with a plurality of equidistant distributions and rotates the sleeve of connection, every telescopic inner end portion all overlaps and is equipped with concentric rigid coupling's sprocket, the interior both sides of feeding box are equipped with a pair of parallel placement's chain, every the chain all overlaps in proper order and establishes on corresponding sprocket and carry out meshing transmission connection, a pair of be equipped with a plurality of along L shape scrapers of distribution between the opposite face of chain;
the conveying box is internally provided with a plurality of equally distributed roller shafts, each roller shaft corresponds to a corresponding pair of sleeves one by one, each roller shaft is sleeved with a roller which is concentrically fixedly connected, the conveying box is internally provided with a conveying belt which is parallel to a pair of chains, and the conveying belts are sequentially sleeved on the corresponding rollers and are in transmission connection;
the feeding box is characterized in that a first crushing shaft which longitudinally penetrates through and is rotationally connected is arranged in the middle of the feeding box, a plurality of first crushing reamer blades which are distributed at equal intervals are arranged on the first crushing shaft, a pair of second crushing shafts which longitudinally penetrates through and are rotationally connected are arranged on two sides of the feeding box, a plurality of second crushing reamer blades which are distributed at equal intervals are arranged on each second crushing shaft, and the first crushing reamer blades and the second crushing reamer blades are arranged in a staggered mode.
Preferably, a plurality of equidistance distributed first bearing through holes are formed in the front side wall and the rear side wall of the conveying box, a first bearing is installed in each first bearing through hole, the outer end portion of each sleeve is inserted into the corresponding first bearing and is in rotary connection, a miniature bearing is installed in each sleeve, and the front end portion and the rear end portion of each roll shaft are inserted into the corresponding miniature bearing and are in rotary connection.
Preferably, a pair of fixed ear seats that a plurality of equidistance distribute have all been set firmly to the outer loop face of chain, every L shape scraper blade front and back both sides face middle part has all set firmly the threaded rod, every the outer tip of threaded rod all runs through corresponding fixed ear seat and carries out the screw thread locking with the nut.
Preferably, the outer end parts of the pair of sleeves positioned in the middle extend to the outer side of the conveying box and are sleeved with small-diameter belt pulleys which are concentrically fixedly connected, and the front end part and the rear end part of the roll shaft positioned in the middle extend to the outer side of the pair of small-diameter belt pulleys and are sleeved with large-diameter belt pulleys which are concentrically fixedly connected.
Preferably, the bottom surface corner of delivery box is equipped with the biax motor of vertical rigid coupling, two motor shaft ends of biax motor all overlap and are equipped with the drive pulley of a pair of concentric rigid couplings, and the drive pulley that is located the outside all carries out the transmission through first belt and the major diameter belt pulley that corresponds, and the drive pulley that is located the inboard all carries out the transmission through the second belt and is connected with the minor diameter belt pulley that corresponds.
Preferably, three second bearing through holes are formed in the front side wall and the rear side wall of the feeding box, second bearings are mounted in each second bearing through hole, and the front end and the rear end of each first crushing shaft and the front end and the rear end of each pair of second crushing shafts are inserted into the corresponding second bearings and are connected in a rotating mode; the rear end part of each second crushing shaft extends to the outer side of the feeding box and is sleeved with a linkage gear which is concentrically fixedly connected, and the two linkage gears are in meshed connection.
Preferably, the front end part of the other second crushing shaft extends to the outer side of the feeding box and is sleeved with a driven belt pulley with a concentric fixedly connected with the front end part, a single-shaft motor with a forward output end is arranged on the top surface of the conveying box, a driving belt pulley with a concentric fixedly connected with the motor shaft end part of the single-shaft motor is sleeved with the driving belt pulley, and the driving belt pulley is in transmission connection with the driven belt pulley through a third belt.
Preferably, the delivery box is in an L-shaped long box shape which is obliquely placed, a rectangular notch is formed in the left end portion of the delivery box, a U-shaped access board which is detachably connected is mounted in the rectangular notch, and a discharge hole which faces downwards vertically is formed in the right end portion of the delivery box.
The utility model also provides a conveying method of the scraper conveyor for coal mine production, which comprises the following steps:
step one, starting a single-shaft motor, wherein a motor shaft of the single-shaft motor drives a driving belt pulley to synchronously rotate, the driving belt pulley drives a driven belt pulley, the other second crushing shaft and the other linkage gear to synchronously rotate through a third belt, and the two linkage gears are meshed to drive one linkage gear, one second crushing shaft and a rotary table to reversely rotate, so that a pair of second crushing shafts drive corresponding second crushing reamer to synchronously reversely rotate;
when the turntable rotates, the eccentric pin shaft and the elliptical ring form a limiting function, the rectangular slide rod is driven to slide reciprocally along the rectangular clamping plate, the rack is synchronously driven to slide reciprocally, the rack is meshed with the reciprocating gear, the first crushing shaft and the first crushing reamer to rotate reciprocally, and the first crushing reamer and the second crushing reamer rotate reciprocally in a staggered manner;
step three, starting a double-shaft motor, wherein two motor shafts of the double-shaft motor drive a corresponding pair of driving belt pulleys to synchronously rotate, driving the large-diameter belt pulley, a corresponding roll shaft and a corresponding roller to synchronously rotate at a low speed through a first belt, and sequentially driving the corresponding roll shaft and the corresponding roller to synchronously rotate through a conveying belt, so that the conveying belt rotates in a low-speed state;
step four, driving the small-diameter belt pulley, the corresponding sleeve and the chain wheel to rotate at high speed through the second belt, sequentially driving the corresponding sleeve and the chain wheel to synchronously rotate through the chain, and synchronously driving a plurality of L-shaped scraping plates to rotate at high speed through the chain;
step five, coal mine materials enter the feeding box through the opening of the top surface of the feeding box, and fully crush the coal mine materials through the cooperation of the first crushing reamer and the second crushing reamer, and the crushed coal mine materials fall to the left side of the top surface of the conveying belt;
the L-shaped scraping plate pushes coal mine materials to slide along the surface of the conveying belt, and then the conveying belt rotates at a low speed to drive the coal mine materials to synchronously and slowly move, so that the coal mine materials are discharged through the discharge hole and are subjected to subsequent collection operation.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, two motor shafts of the double-shaft motor drive a corresponding pair of driving belt pulleys to synchronously rotate, a first belt drives a large-diameter belt pulley and a conveying belt to rotate at a low speed, and a second belt drives a small-diameter belt pulley, a pair of chains and a plurality of L-shaped scraping plates to rotate at a high speed; the material can be pushed to carry out conveying operation along the surface of the conveying belt along with the high-speed rotation of the L-shaped scraping plate, and the friction force between the L-shaped scraping plate and the conveying belt can be effectively slowed down along with the synchronous low-speed rotation of the conveying belt, so that the abrasion degree of the conveying belt and the L-shaped scraping plate is reduced, and the service life of the conveyor is effectively prolonged;
2. in the utility model, when the first crushing shaft and the first crushing reamer rotate reciprocally, the pair of second crushing shafts drive the corresponding second crushing reamers to rotate synchronously and oppositely, the first crushing reamers and the second crushing reamers rotate reciprocally and alternately, and the first crushing reamers and the second crushing reamers are matched for thoroughly crushing large-particle coal mine materials, so that the particle diameter of the coal mine materials in conveying can be reduced, the crushing effect of the coal mine materials is improved, the stability of the subsequent coal mine material conveying operation is ensured, and the phenomenon that the large-particle coal mine materials block an L-shaped scraping plate and a chain is avoided;
in summary, the utility model solves the problems that the scraper conveyor is easy to wear and does not have a crushing function, has compact overall structural design, can effectively reduce the wear degree of the conveyor belt and the L-shaped scraper, prolongs the service life of the conveyor, improves the crushing effect of coal mine materials, and ensures the stability of the subsequent coal mine material conveying operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a right side view of the present utility model;
FIG. 4 is a right side view of the present utility model;
FIG. 5 is a schematic view of a front view of the present utility model;
FIG. 6 is a schematic view of the internal structure of the transfer box of the present utility model;
FIG. 7 is a left side schematic view of FIG. 6 in accordance with the present utility model;
FIG. 8 is an exploded view of the structure of FIG. 7 in accordance with the present utility model;
FIG. 9 is a schematic diagram of the front view of the feed box of the present utility model;
FIG. 10 is a schematic rear view of the feed box of the present utility model;
FIG. 11 is a schematic view showing the internal structure of the feed tank of the present utility model;
FIG. 12 is a schematic driving diagram of a dual-axis motor of the present utility model;
FIG. 13 is a schematic view of the structure of the L-shaped flight of the present utility model;
FIG. 14 is a schematic diagram of a conveying method according to the present utility model;
number in the figure: 1. a delivery box; 101. a U-shaped access panel; 102. a discharge port; 103. a sleeve; 104. a sprocket; 105. a chain; 106. fixing the ear seat; 107. an L-shaped scraper; 108. a roll shaft; 109. a roller; 110. a conveyor belt; 111. a biaxial motor; 112. a first belt; 113. a second belt; 2. a feed box; 201. a second pulverizing shaft; 202. a second crushing reamer; 203. a linkage gear; 204. a first pulverizing shaft; 205. a first crushing reamer; 206. a reciprocating gear; 207. a turntable; 208. eccentric pin shaft; 209. an elliptical ring; 210. a rack; 211. a rectangular slide bar; 212. a rectangular clamping plate; 213. a single-shaft motor; 214. and a third belt.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.
Embodiment one: the embodiment provides a scraper conveyor for coal mine production, referring to fig. 1-13, specifically, the scraper conveyor comprises a conveying box 1 and a feeding box 2, wherein the left end part of the top surface of the conveying box 1 is provided with the feeding box 2 which is in through connection, a plurality of sleeves 103 which are distributed at equal intervals and are in rotary connection are inserted into the front and rear side walls of the conveying box 1, the inner end part of each sleeve 103 is sleeved with a chain wheel 104 which is concentrically fixedly connected, two sides of the feeding box 2 are provided with a pair of chains 105 which are arranged in parallel, each chain 105 is sequentially sleeved on the corresponding chain wheel 104 and is in meshed transmission connection, and a plurality of L-shaped scrapers 107 which are distributed along the opposite surfaces of the pair of chains 105 are arranged;
a plurality of equally distributed roll shafts 108 are arranged in the conveying box 1, each roll shaft 108 corresponds to a corresponding pair of sleeves 103 one by one, each roll shaft 108 is sleeved with a roller 109 which is concentrically fixedly connected, a conveying belt 110 which is parallel to a pair of chains 105 is arranged in the conveying box 1, and the conveying belts 110 are sequentially sleeved on the corresponding rollers 109 and are in transmission connection;
the middle part is equipped with the first crushing axle 204 that runs through vertically and rotate and connect in the feeding box 2, is equipped with a plurality of equidistance on the first crushing axle 204 and distributes first crushing reamer 205, and the feeding box 2 is interior both sides are equipped with a pair of vertical second crushing axle 201 that runs through and rotate and connect, all is equipped with a plurality of equidistance on every second crushing axle 201 and distributes second crushing reamer 202, and a plurality of first crushing reamer 205 and a plurality of second crushing reamer 202 are crisscross to be set up.
The first bearing through holes that a plurality of equidistance distribute have been seted up to the front and back both sides wall of delivery box 1, and first bearing is all installed to the inside of every first bearing through hole, and the outer tip of every sleeve 103 all inserts and establishes in corresponding first bearing and rotate to connect, and miniature bearing is all installed to the inside of every sleeve 103, and the front and back both ends of every roller 108 all insert and establish in corresponding miniature bearing and rotate to connect.
In the specific implementation process, as shown in fig. 9 and 11, the front and rear side walls of the feeding box 2 are respectively provided with three second bearing through holes, the inside of each second bearing through hole is respectively provided with a second bearing, and the front and rear end parts of the first crushing shaft 204 and the pair of second crushing shafts 201 are respectively inserted into the corresponding second bearings and are in rotary connection; the rear end part of each second crushing shaft 201 extends to the outer side of the feeding box 2 and is sleeved with a linkage gear 203 which is concentrically fixedly connected, and the two linkage gears 203 are in meshed connection; the two linkage gears 203 are meshed to drive one linkage gear 203, one second crushing shaft 201 and a rotary table 207 to reversely rotate, so that a pair of second crushing shafts 201 drive corresponding second crushing reamer 202 to synchronously and oppositely rotate;
wherein the front end part of the other second crushing shaft 201 extends to the outer side of the feeding box 2 and is sleeved with a driven belt pulley with a concentric fixedly connected with the driven belt pulley, a single-shaft motor 213 with a forward output end is arranged on the top surface of the conveying box 1, a driving belt pulley with a concentric fixedly connected with the motor shaft end part of the single-shaft motor 213 is sleeved with a driving belt pulley, and the driving belt pulley is in transmission connection with the driven belt pulley through a third belt 214; the motor shaft of the single-shaft motor 213 drives the driving pulley to synchronously rotate, and the driving pulley drives the driven pulley, the other second crushing shaft 201 and the other linkage gear 203 to synchronously rotate through the third belt 214.
Embodiment two: in the first embodiment, there is also a problem that the maintenance of the L-shaped blade 107 is inconvenient, and therefore, the present embodiment further includes, on the basis of the first embodiment:
in a specific implementation process, as shown in fig. 1 and 13, a conveying box 1 is in an obliquely placed L-shaped long box shape, a rectangular notch is formed in the left end part of the conveying box 1, a U-shaped access plate 101 which is detachably connected is installed in the rectangular notch, and a discharge port 102 which faces downwards vertically is formed in the right end part of the conveying box 1;
the outer annular surfaces of the pair of chains 105 are fixedly provided with a plurality of fixed lug seats 106 which are distributed at equal intervals, the middle parts of the front side surface and the rear side surface of each L-shaped scraping plate 107 are fixedly provided with threaded rods, and the outer end parts of each threaded rod penetrate through the corresponding fixed lug seat 106 and are in threaded locking with nuts;
under the driving action of the chain 105, the damaged L-shaped scraping plate 107 is driven to move to the leftmost side, then the U-shaped overhauling plate 101 is opened, the nut is loosened, the damaged L-shaped scraping plate 107 is removed, and the L-shaped scraping plate 107 is detached and replaced, so that overhauling of the L-shaped scraping plate 107 is facilitated.
Embodiment III: in the first embodiment, there is also a problem that the long-time scraping and feeding of the L-shaped scraping plate 107 on the conveying belt 110 causes rapid wear and aging of the conveying belt 110, so the first embodiment further includes:
in the specific implementation process, as shown in fig. 8 and 12, the outer ends of a pair of sleeves 103 positioned in the middle extend to the outer side of the conveying box 1 and are sleeved with small-diameter pulleys which are concentrically fixedly connected, and the front end and the rear end of a roll shaft 108 positioned in the middle extend to the outer side of a pair of small-diameter pulleys and are sleeved with large-diameter pulleys which are concentrically fixedly connected;
a double-shaft motor 111 which is longitudinally fixedly connected is arranged at the corner of the bottom surface of the conveying box 1, a pair of driving belt pulleys which are concentrically fixedly connected are sleeved at the end parts of two motor shafts of the double-shaft motor 111, the driving belt pulleys positioned at the outer side are in transmission connection with the corresponding large-diameter belt pulleys through a first belt 112, and the driving belt pulleys positioned at the inner side are in transmission connection with the corresponding small-diameter belt pulleys through a second belt 113;
two motor shafts of the double-shaft motor 111 drive a corresponding pair of driving pulleys to synchronously rotate, a first belt 112 drives a large-diameter pulley and a conveying belt 110 to rotate at a low speed, and a second belt 113 drives a small-diameter pulley, a pair of chains 105 and a plurality of L-shaped scraping plates 107 to rotate at a high speed;
the L-shaped scraping plate 107 can be pushed to carry out conveying operation along the surface of the conveying belt 110 along with high-speed rotation of the L-shaped scraping plate 107, and then the friction force between the L-shaped scraping plate 107 and the conveying belt 110 can be effectively slowed down along with synchronous low-speed rotation of the conveying belt 110, so that the abrasion degree of the conveying belt 110 and the L-shaped scraping plate 107 is reduced, and the service life of the conveyor is effectively prolonged.
Embodiment four: in the first embodiment, there is also a problem that the coal mine material is not thoroughly crushed in the feeding box 2 and is difficult to crush when large-particle coal mine material is encountered, so the first embodiment further includes, based on the first embodiment:
in the specific implementation process, as shown in fig. 9 and 11, the front end of one second crushing shaft 201 extends to the outer side of the feeding box 2 and is sleeved with a concentric fixedly connected rotary table 207, the outer side surface of the rotary table 207 is provided with an eccentric pin shaft 208 which is eccentrically fixedly connected, and the eccentric pin shaft 208 is sleeved with an elliptical ring 209 which is in sliding connection; a rectangular slide bar 211 which is transversely fixedly connected is arranged at the bottom end part of the right side surface of the elliptical ring 209, a rectangular clamping plate 212 which is in sliding connection is clamped in the middle of the rectangular slide bar 211, and the rear end part of the rectangular clamping plate 212 is fixedly connected with the front surface of the feeding box 2; when the turntable 207 rotates, the eccentric pin shaft 208 and the elliptical ring 209 form a limiting function, so that the rectangular slide bar 211 is driven to slide reciprocally along the rectangular clamping plate 212, and the rack 210 is synchronously driven to slide reciprocally;
the front end part of the first crushing shaft 204 extends to the outer side of the feeding box 2 and is sleeved with a concentric fixedly-connected reciprocating gear 206, the top end part of the right side surface of the elliptical ring 209 is provided with a rack 210 which is transversely fixedly connected, and the rack 210 is meshed with the reciprocating gear 206; the rack 210 is meshed to drive the reciprocating gear 206, the first crushing shaft 204 and the first crushing reamer 205 to reciprocate;
when the first crushing shaft 204 and the first crushing reamer 205 rotate reciprocally, the pair of second crushing shafts 201 drive the corresponding second crushing reamer 202 to rotate synchronously and oppositely, the first crushing reamer 205 and the second crushing reamer 202 rotate reciprocally and alternately, and the first crushing reamer 205 and the second crushing reamer 202 are matched to crush large-particle coal mine materials thoroughly, so that the particle diameter of the coal mine materials during conveying can be reduced, the crushing effect of the coal mine materials is improved, the stability of the subsequent coal mine material conveying operation is ensured, and the phenomenon that the large-particle coal mine materials block the L-shaped scraping plate 107 and the chain 105 is avoided.
Fifth embodiment: referring to fig. 14, the working principle and the operation method of the present utility model are as follows:
step one, starting a single-shaft motor 213, wherein a motor shaft of the single-shaft motor 213 drives a driving belt pulley to synchronously rotate, the driving belt pulley drives a driven belt pulley, the other second crushing shaft 201 and the other linkage gear 203 to synchronously rotate through a third belt 214, and the two linkage gears 203 are meshed to drive one linkage gear 203, one second crushing shaft 201 and a rotary table 207 to reversely rotate, so that a pair of second crushing shafts 201 drive corresponding second crushing reamer 202 to synchronously rotate in opposite directions;
step two, when the turntable 207 rotates, the eccentric pin shafts 208 and the elliptical rings 209 form a limiting effect, so that the rectangular slide bars 211 are driven to reciprocate along the rectangular clamping plates 212, the racks 210 are synchronously driven to reciprocate, the racks 210 are meshed to drive the reciprocating gears 206, the first crushing shafts 204 and the first crushing reamer 205 to reciprocate, and the first crushing reamer 205 and the second crushing reamer 202 are reciprocally staggered to rotate;
step three, starting a double-shaft motor 111, wherein two motor shafts of the double-shaft motor 111 drive a corresponding pair of driving pulleys to synchronously rotate, a first belt 112 drives a large-diameter pulley, a corresponding roll shaft 108 and a roller 109 to rotate at a low speed, and a conveyer belt 110 sequentially drives the corresponding roll shaft 108 and the roller 109 to synchronously rotate, so that the conveyer belt 110 rotates in a low-speed state;
step four, a small-diameter belt pulley, a corresponding sleeve 103 and a chain wheel 104 are driven to rotate at a high speed through a second belt 113, the chain wheel 104 sequentially drives the corresponding sleeve 103 and the chain wheel 104 to synchronously rotate through a chain 105, and a plurality of L-shaped scraping plates 107 can be synchronously driven to rotate at a high speed through the chain 105;
step five, coal mine materials enter the feeding box 2 through the opening of the top surface of the feeding box 2, the coal mine materials are fully crushed through the cooperation of the first crushing reamer 205 and the second crushing reamer 202, and the crushed coal mine materials fall to the left side of the top surface of the conveying belt 110;
the L-shaped scraping plate 107 pushes coal mine materials to slide along the surface of the conveying belt 110, and the coal mine materials are driven to synchronously and slowly move through the low-speed rotation of the conveying belt 110, so that the coal mine materials are discharged through the discharge opening 102 and are subjected to subsequent collection operation.
The utility model solves the problems that the scraper conveyor is easy to wear and does not have a crushing function, has compact overall structural design, can effectively reduce the wear degree of the conveyor belt and the L-shaped scraper, prolongs the service life of the conveyor, improves the crushing effect of coal mine materials, and ensures the stability of the subsequent coal mine material conveying operation.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. The utility model provides a scraper conveyor of colliery production, includes delivery box (1), feeding case (2), its characterized in that: the feeding box is characterized in that a feeding box (2) which is in through connection is arranged at the left end part of the top surface of the conveying box (1), a plurality of sleeves (103) which are distributed at equal intervals and are in rotary connection are inserted into the front side wall and the rear side wall of the conveying box (1), chain wheels (104) which are concentrically fixedly connected are sleeved at the inner end part of each sleeve (103), a pair of parallel chains (105) are arranged at the two sides of the feeding box (2), each chain (105) is sequentially sleeved on the corresponding chain wheel (104) and is in meshed transmission connection, and a plurality of L-shaped scraping plates (107) which are distributed along the opposite surfaces of the chain (105) are arranged between the opposite surfaces of the chain (105);
a plurality of equally distributed roll shafts (108) are arranged in the conveying box (1), each roll shaft (108) corresponds to a corresponding pair of sleeves (103) one by one, each roll shaft (108) is sleeved with a roller (109) which is concentrically fixedly connected, a conveying belt (110) which is parallel to a pair of chains (105) is arranged in the conveying box (1), and the conveying belts (110) are sequentially sleeved on the corresponding rollers (109) and are in transmission connection;
the feeding box is characterized in that a first crushing shaft (204) longitudinally penetrating through and rotationally connected is arranged in the middle of the feeding box (2), a plurality of first crushing reamer (205) distributed at equal intervals are arranged on the first crushing shaft (204), a pair of second crushing shafts (201) longitudinally penetrating through and rotationally connected are arranged on the two sides of the feeding box (2), a plurality of second crushing reamer (202) distributed at equal intervals are arranged on each second crushing shaft (201), and the first crushing reamer (205) and the second crushing reamer (202) are arranged in a staggered mode.
2. A coal mine produced scraper conveyor as claimed in claim 1, wherein: first bearing through holes that a plurality of equidistance distribute have been seted up to the front and back both sides wall of delivery box (1), every first bearing through hole's inside is all installed first bearing, every the outer tip of sleeve (103) is all inserted and is established in corresponding first bearing and carry out the rotation and connect, every miniature bearing is all installed to the inside of sleeve (103), every both ends all are inserted and are established in corresponding miniature bearing and rotate and connect around roller (108).
3. A coal mine produced scraper conveyor as claimed in claim 2, wherein: the outer ring surfaces of the chains (105) are fixedly provided with a plurality of fixed lug seats (106) which are distributed at equal intervals, the middle parts of the front side surface and the rear side surface of each L-shaped scraping plate (107) are fixedly provided with threaded rods, and the outer end parts of each threaded rod penetrate through the corresponding fixed lug seat (106) and are in threaded locking with nuts.
4. A scraper conveyor for coal mine production according to claim 3, wherein: the outer end parts of a pair of sleeves (103) positioned in the middle extend to the outer side of the conveying box (1) and are sleeved with small-diameter belt pulleys which are concentrically fixedly connected, and the front end part and the rear end part of a roll shaft (108) positioned in the middle extend to the outer side of the pair of small-diameter belt pulleys and are sleeved with large-diameter belt pulleys which are concentrically fixedly connected.
5. A coal mine produced scraper conveyor as claimed in claim 4, wherein: the conveying box is characterized in that a double-shaft motor (111) fixedly connected longitudinally is arranged at the corner of the bottom surface of the conveying box (1), a pair of driving pulleys fixedly connected concentrically are sleeved at the end parts of two motor shafts of the double-shaft motor (111), the driving pulleys located on the outer side are in transmission connection with corresponding large-diameter pulleys through a first belt (112), and the driving pulleys located on the inner side are in transmission connection with corresponding small-diameter pulleys through a second belt (113).
6. A coal mine produced scraper conveyor as claimed in claim 5, wherein: three second bearing through holes are formed in the front side wall and the rear side wall of the feeding box (2), a second bearing is arranged in each second bearing through hole, and the front end and the rear end of each first crushing shaft (204) and the front end and the rear end of each pair of second crushing shafts (201) are inserted into the corresponding second bearings and are connected in a rotating mode; the rear end part of each second crushing shaft (201) extends to the outer side of the feeding box (2) and is sleeved with a linkage gear (203) which is concentrically fixedly connected, and the two linkage gears (203) are in meshed connection.
7. A coal mine produced scraper conveyor as claimed in claim 6, wherein: the front end part of the other second crushing shaft (201) extends to the outer side of the feeding box (2) and is sleeved with a driven belt pulley with a concentric fixedly connected mode, a single-shaft motor (213) with a forward output end is arranged on the top surface of the conveying box (1), a driving belt pulley with a concentric fixedly connected mode is sleeved at the end part of a motor shaft of the single-shaft motor (213), and the driving belt pulley is in transmission connection with the driven belt pulley through a third belt (214).
8. A coal mine produced scraper conveyor as in claim 7 wherein: the conveying box (1) is in an L-shaped long box shape which is obliquely placed, a rectangular notch is formed in the left end portion of the conveying box (1), a U-shaped access board (101) which is detachably connected is installed in the rectangular notch, and a discharge opening (102) which faces downwards vertically is formed in the right end portion of the conveying box (1).
9. A method of conveying a scraper conveyor for coal mine production as claimed in claim 8, comprising the steps of:
step one, starting a single-shaft motor (213), wherein a motor shaft of the single-shaft motor (213) drives a driving belt pulley to synchronously rotate, the driving belt pulley drives a driven belt pulley, the other second crushing shaft (201) and the other linkage gear (203) to synchronously rotate through a third belt (214), the two linkage gears (203) are meshed to drive one linkage gear (203), the one second crushing shaft (201) and the turntable (207) to reversely rotate, so that a pair of second crushing shafts (201) drive corresponding second crushing reamer (202) to synchronously reversely rotate;
step two, when the rotary table (207) rotates, the eccentric pin shaft (208) and the elliptical ring (209) form a limiting effect, the rectangular sliding rod (211) is driven to slide reciprocally along the rectangular clamping plate (212), the rack (210) is synchronously driven to slide reciprocally, the rack (210) is meshed to drive the reciprocating gear (206), the first crushing shaft (204) and the first crushing reamer (205) to rotate reciprocally, and the first crushing reamer (205) and the second crushing reamer (202) rotate reciprocally in a staggered manner;
step three, starting a double-shaft motor (111), wherein two motor shafts of the double-shaft motor (111) drive a corresponding pair of driving pulleys to synchronously rotate, driving a large-diameter pulley, a corresponding roller shaft (108) and a roller (109) to synchronously rotate at a low speed through a first belt (112), and sequentially driving the corresponding roller shaft (108) and the roller (109) to synchronously rotate through a conveying belt (110), so that the conveying belt (110) rotates in a low-speed state;
step four, a small-diameter belt pulley, a corresponding sleeve (103) and a chain wheel (104) are driven to rotate at a high speed through a second belt (113), the chain wheel (104) sequentially drives the corresponding sleeve (103) and the chain wheel (104) to synchronously rotate through a chain (105), and a plurality of L-shaped scraping plates (107) can be synchronously driven to rotate at a high speed through the chain (105);
step five, coal mine materials enter the feeding box (2) through the opening of the top surface of the feeding box (2), and fully crush the coal mine materials through the cooperation of the first crushing reamer (205) and the second crushing reamer (202), and the crushed coal mine materials fall to the left side of the top surface of the conveying belt (110);
the L-shaped scraping plate (107) pushes coal mine materials to slide along the surface of the conveying belt (110), and the coal mine materials are driven to synchronously and slowly move through the low-speed rotation of the conveying belt (110), so that the coal mine materials are discharged through the discharge hole (102) and are subjected to subsequent collection operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310563759.XA CN116750405A (en) | 2023-05-18 | 2023-05-18 | Scraper conveyor for coal mine production and conveying method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310563759.XA CN116750405A (en) | 2023-05-18 | 2023-05-18 | Scraper conveyor for coal mine production and conveying method thereof |
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| Publication Number | Publication Date |
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| CN116750405A true CN116750405A (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310563759.XA Pending CN116750405A (en) | 2023-05-18 | 2023-05-18 | Scraper conveyor for coal mine production and conveying method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117360975A (en) * | 2023-12-05 | 2024-01-09 | 陕汽大同专用汽车有限公司 | Spreader using chain plate conveying mechanism |
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2023
- 2023-05-18 CN CN202310563759.XA patent/CN116750405A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117360975A (en) * | 2023-12-05 | 2024-01-09 | 陕汽大同专用汽车有限公司 | Spreader using chain plate conveying mechanism |
| CN117360975B (en) * | 2023-12-05 | 2024-03-15 | 陕汽大同专用汽车有限公司 | Spreader using chain plate conveying mechanism |
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