CN107352283B - Raw coal conveying device - Google Patents
Raw coal conveying device Download PDFInfo
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- CN107352283B CN107352283B CN201710782511.7A CN201710782511A CN107352283B CN 107352283 B CN107352283 B CN 107352283B CN 201710782511 A CN201710782511 A CN 201710782511A CN 107352283 B CN107352283 B CN 107352283B
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- 239000003245 coal Substances 0.000 title claims abstract description 115
- 238000000926 separation method Methods 0.000 claims abstract description 28
- 238000012216 screening Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 32
- 230000010349 pulsation Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims 2
- 239000004744 fabric Substances 0.000 claims 1
- 239000000446 fuel Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 235000019580 granularity Nutrition 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling 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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
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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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
-
- 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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/08—Protective roofs or arch supports therefor
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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
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
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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
- B65G23/22—Arrangements or mountings of driving motors
-
- 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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/006—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor not adjustably mounted on the supporting frame or base
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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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
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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
- B65G69/12—Sieving bulk materials during loading or unloading
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention utilizes the bracket to arrange the sundry screen, the sundry screen is provided with the holes, the chute is arranged under the holes, the raw coal is convenient to collect, the separated raw coal can be further washed and processed to be used as fuel, the pollution degree of the environment is reduced, the function of the fuel is better played, and the sundries can be utilized as wastes, such as the backfilling of a well way. The arrangement is simple and efficient. The device can be used for increasing the screening time by carrying out screening and reverse operation through the conveying belt, can effectively separate and treat the raw coal, and can collect the separated raw coal after conveying, so that the separation and utilization efficiency of the raw coal is effectively improved, the pollution and waste caused by the raw coal are reduced, the whole device is convenient to use and high in utilization rate, and the labor intensity is reduced.
Description
Technical Field
The invention relates to a raw coal processing device, in particular to a raw coal conveying device.
Background
In a coal preparation plant, the task of the raw coal preparation process is to screen, crush and pick up gangue and the like raw coal entering the plant, so that the selected raw coal meets the requirements of the subsequent separation link in terms of granularity and other properties. The screening effect has a direct relation with the screening time, and the screening time is generally increased by increasing the size of the screening equipment to keep the retention time of the raw coal on the screening equipment, so that the size of the equipment is inevitably increased when the existing screening equipment wants to increase the screening time, the factory space is occupied, and more equipment capital investment is increased.
Disclosure of Invention
The invention aims to provide a raw coal conveying device capable of increasing screening time.
In order to achieve the purpose, the scheme of the invention is as follows: a raw coal conveying device comprises a sundry screen, a support frame, a base, a chute, a guide blanking chute, a receiving hopper, a material separating box, a belt pulley, a motor, a small-granularity raw coal collecting tank support column, a pulsating power output device, a belt, a small-granularity raw coal collecting tank, a large-granularity raw coal collecting tank and hinged support legs, wherein the sundry screen and the chute are arranged on the support frame, and holes for raw coal to fall off in a separating way are formed in the sundry screen; the chute is arranged under the sundry screen, and the guide charging chute is arranged at the tail end of the chute, so that raw coal can fall to the receiving hopper conveniently; the automatic coal separation device is characterized in that a material separation box is arranged above a base of the material separation box, a vibration power output device is arranged on the left side of the lower end of the material separation box, a hinged support leg is arranged between the right side of the lower end of the material separation box and the base, the hinged support leg is hinged with the material separation box, a material receiving hopper is arranged at the upper left end of the material separation box, a large-granularity raw coal collecting tank is arranged at the lower right side of the material separation box, a belt is arranged in the material separation box, a smooth layer is arranged on the surface of the belt, the left end of the belt is higher than the right end of the belt, the included angle between the left end of the belt and the horizontal plane is 40-50 degrees, the two ends of the belt are fixed on the inner wall of the material separation box through connecting rods, a belt wheel is arranged at the shaft end of a, when the raw coal conveying device works, the motor drives the belt to rotate anticlockwise, materials enter the belt in the material distribution box along the material collection hopper, the belt is of a screen mesh structure or is provided with a plurality of strip-shaped through holes allowing the raw coal with small granularity to penetrate, the raw coal can move rightwards along the belt under the combined action of the vibration force of the raw coal self gravity pulsation power output device and the belt conveying force, the conveying direction of the raw coal on the belt moves leftwards so as to slow down the speed of the raw coal moving rightwards, the screening time of the raw coal is prolonged, better separation of the raw coal with different granularities is realized, the raw coal with larger granularity finally enters the raw coal collecting device with large granularity through the raw coal collecting tank with large granularity, and the raw coal with smaller granularity in the raw coal can penetrate through the belt and enter the raw coal with small granularity through the collecting tank.
Further, the pulsation power output device is realized by the following structure: an upper support frame body is arranged at the left lower part of the material separating box, an electromagnet is arranged below the upper support frame body, the pulse power output device also comprises a groove-shaped spring connector body arranged below the electromagnet, the opening direction of the groove-shaped spring connector body is downward, a cavity is arranged between the spring connector bodies, support bodies are respectively arranged at two sides of the middle part of the spring connector body, one side of each support body is connected with a lifting rod through a connecting rod, a motor support seat is arranged below the connecting rod, the upper end of the motor support seat is fixedly connected with the middle part of the connecting rod, a motor is arranged at the lower part of the motor support seat, a reduction box matched with the motor is arranged at the output end of the motor, rotating shafts are respectively arranged at two sides of the reduction box, cams are respectively arranged on the rotating shafts, and rollers are arranged on the lower end surface of the spring connector, the lifting rod moves upwards to enable the roller to be matched with the cam when the electromagnet is electrified, the lower end of the lifting rod is provided with a connecting rod, the upper end of the lifting rod penetrates through the spring connector and the middle part of the electromagnet, the upper end of the lifting rod is provided with a lower spring baffle, the middle part of the upper support frame is provided with a through hole, the lifting rod penetrates through the through hole, the outer diameter of the lower spring baffle is larger than the diameter of the through hole, a spring is arranged between the upper end surface of the lower spring baffle and the lower end surface of the upper spring support, the spring is in a compression state when the electromagnet is electrified, the lifting rod further comprises a power supply device and a controller connected with the power supply device, a relay used for driving the electromagnet is arranged on the controller, and the motor is connected with the controller through a circuit, the weight sensor is arranged on the inner side of the upper support frame, when the borne weight reaches a rated value, a starting valve at the lower part of the receiving hopper is firstly opened, then the motor and the electromagnet are operated for a period of time until the raw coal on the belt is separated and is respectively discharged into the collecting devices, finally the raw coal is separated and collected and enters a subsequent recovery processing link, the weight sensor is connected with the controller through a circuit, a groove structure is arranged on the lower end face of the support body, a convex groove structure matched with the groove structure is arranged on the end face, opposite to the support body, of the spring connecting body, the groove structure can be clamped in the convex groove structure when the electromagnet is powered off, and the magnetic attraction force of the electromagnet is greater than the elastic force of the spring.
Further, spring connector both sides be provided with the mount respectively, the upper and lower both sides of left mount are equipped with upper left spring, lower left spring, the upper and lower both sides of mount on right side are equipped with upper right spring, lower right spring, the cam rotates and drives spring connector and mount up-and-down motion, upper left spring and upper right spring compress during mount upward movement, lower left spring and lower right spring compress during mount downward motion, thereby realize the vertical vibration of branch workbin, see through the belt and fall into the raw coal collecting vat of small grain size with better realization raw coal of small grain size.
Compared with the prior art, the invention has the beneficial effects that: (1) the screening is carried out by the conveying belt and the reverse operation is carried out simultaneously, so that the technical effect of increasing the screening time is realized on the premise of not increasing the size of the equipment. (2) The pulsating power output device adopts the groove-shaped spring connector structure, has stable structure, is convenient to install the driving mechanism at the bottom, drives the driving mechanism to move upwards integrally in a mode of providing power by the magnetic field of the electromagnet, so that the cam is matched with the roller to realize the up-and-down pulsation of the integral structure, because the cam is always matched with the roller arranged below the spring connector under the action of the electromagnet in the moving process, the operation is stable, the setting of the roller reduces the friction force, the pulsation is more stable, meanwhile, when the driving motor does not operate, the electromagnet is powered off, the support body can move downwards, when the lower end surface of the support body is attached to the inner wall of the groove-shaped spring connector, the integral structure can be positioned on the spring connector, the relative movement is not easy to occur, because the groove structure and the convex groove structure are adopted, when the electromagnet is powered off, the supporter can be fixed on the spring connector through mutually supporting of flute structure and tongue structure, the unnecessary slip can not appear, can make the structure more stable.
The following describes the scheme in more detail with reference to the drawings and examples.
Drawings
FIG. 1 is a plan view of a raw coal conveying apparatus;
FIG. 2 is a block diagram of a small particle size raw coal holding tank;
fig. 3 is a structural view of the pulsation power output apparatus.
Detailed Description
The following further describes the specific embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the raw coal conveying device comprises a sundry screen 1, a support frame 2, a base 3, a chute 4, a guiding blanking chute 5, a receiving hopper 6, a material separating box 7, a belt pulley 8, a motor 9, a small-granularity raw coal collecting tank support column 10, a pulsating power output device 11, a belt 12, a small-granularity raw coal collecting tank 13, a large-granularity raw coal collecting tank 14 and a hinged support leg 15, wherein the sundry screen 1 and the chute 4 are arranged on the support frame 2, and the sundry screen 1 is provided with holes for raw coal to fall separately; the chute 4 is arranged under the sundry screen 1, the guide charging chute 5 is arranged at the tail end of the chute 4, raw coal can conveniently fall to the receiving hopper 6, and in addition, the receiving hopper 6 can simultaneously collect raw coal in a plurality of groups of sundry screens 1.
The automatic coal distributing device is characterized in that a distributing box 7 is arranged above a distributing box base, a vibration power output device 11 is arranged on the left side of the lower end of the distributing box 7, a hinged supporting leg 15 is arranged between the right side of the lower end of the distributing box 7 and the base, the hinged supporting leg 15 is hinged with the distributing box 7, a receiving hopper 6 is arranged at the left upper end of the distributing box 7, a large-granularity raw coal collecting tank 14 is arranged at the lower right side of the distributing box 7, a belt 12 is arranged in the distributing box 7, a smooth layer is arranged on the surface of the belt 12, the left end of the belt 12 is higher than the right end and forms an included angle of 40-50 degrees with the horizontal plane, the two ends of the belt 12 are fixed on the inner wall of the distributing box 7 through connecting rods, a belt pulley is arranged at the shaft end of a transmission roller on the left side of the belt 12, the, the small-granularity raw coal collecting tank 13 is supported by four small-granularity raw coal collecting tank supporting columns 10, and when the raw coal conveying device works, the motor 9 drives the belt 12 to rotate anticlockwise, the materials enter the belt 12 in the material distribution box 7 along the material receiving hopper 6, because the belt 12 is of a screen mesh structure or is provided with a plurality of strip-shaped through holes allowing the raw coal with small granularity to penetrate through, under the combined action of the vibration force of the raw coal gravity pulsation power output device 11 and the conveying force of the belt 12, the raw coal moves rightwards along the belt 12, the conveying direction of the raw coal on the belt 12 moves leftwards to slow down the speed of moving the raw coal rightwards, thereby increasing the screening time of the raw coal, optimizing the screening effect, realizing better separation of the raw coal with different granularities, finally leading the raw coal with larger granularity to enter a raw coal collecting device with large granularity through a raw coal collecting tank 14 with large granularity, the raw coal with smaller particle size in the raw coal enters the small-particle-size raw coal collecting device through the small-particle-size raw coal collecting tank 13 through the belt 12.
The pulsation power output device 11 is realized by the following structure: divide workbin 7 left side below to be provided with support frame body 111 upper support frame body 111 below be provided with electro-magnet 116, pulsation power output ware 11 still including setting up electro-magnet 116 below and being the spring connector 1114 of recess shape, the opening direction of the spring connector 1114 of recess shape is downward and the spring connector 1114 between be provided with cavity 118, be provided with supporter 119, 2 respectively in spring connector 1114 middle part both sides support 119 one side be connected with lifter 117 through connecting rod 1111 below be provided with motor supporting seat 1112, motor supporting seat 1112 upper end fixed connection in connecting rod 1111 middle part motor supporting seat 1112 lower part be provided with motor 1113 the output of motor 1113 be provided with rather than matched with reducing gear box 1117 the both sides of reducing gear box 1117 be provided with axis of rotation 1118 respectively, cams 1119 are respectively arranged on the rotating shafts 1118, a roller 1116 is arranged on the lower end surface of the spring connecting body 1114, when the electromagnet 116 is electrified, the lifting rod 117 moves upwards to enable the roller 1116 to be matched with the cam 1119, a connecting rod 1111 is arranged at the lower end of the lifting rod 117, the upper end of the lifting rod 117 penetrates through the middle parts of the spring connecting body 1114 and the electromagnet 116, a spring lower baffle 114 is arranged at the upper end of the lifting rod 117, a through hole 115 is arranged at the middle part of the upper support frame 111, the lifting rod 117 penetrates through the through hole 115, the outer diameter of the spring lower baffle 114 is larger than the diameter of the through hole 115, a spring 113 is arranged between the upper end surface of the spring lower baffle 114 and the lower end surface of the upper spring support 112, and the spring 113 is in a compression state when the electromagnet 116 is electrified, this application still includes power supply unit and the controller that is connected with power supply unit the controller on be provided with and be used for the drive electromagnet 116's relay, motor 1113 through the circuit with the controller be connected upper support frame 111 inboard be provided with weighing transducer, when bearing weight reaches the rated value, at first open the starting valve of receiving hopper 6 lower part, then operation motor and electromagnet are finished and are discharged respectively into collection device after the raw coal separation on the belt for a period, finally the raw coal realizes the separation and collects and enters into follow-up recovery processing link. The weight sensor is connected with the controller through a circuit, a flute structure is arranged on the lower end face of the support body 119, a convex groove structure 119 matched with the flute structure is arranged on the end face, opposite to the support body 119, of the spring connecting body 1114, the concave groove structure can be clamped in the convex groove structure 119 when the electromagnet 116 is powered off, and the magnetic attraction force of the electromagnet 116 is larger than the elastic force of the spring 113.
Still be provided with the structure that is used for realizing the area body of belt 12 and vibrates from top to bottom on belt 12, if set up the bellying at belt 12 internal surface, vibrate from top to bottom when belt 12 contacts rather than the cylinder at both ends, be provided with at belt middle part for example and beat the device, beat the device and beat the area body of belt 12 and vibrate from top to bottom, beat the device and can be the cam structure and drive the area body of beating the post and beating belt 12.
The working principle of the raw coal conveying device is as follows: firstly, sundry coal is guided into the sundry sieve 1, raw coal with sundries removed can fall onto the chute 4 through holes in the sundry sieve 1 and then slide into the receiving hopper 6, the raw coal is continuously collected through the receiving hopper 6, when the weight detected by the weight sensor reaches a rated value, a starting valve at the lower part of the receiving hopper 6 is firstly opened, then the motor and the electromagnet are operated for a period of time until the raw coal on the belt is completely separated and respectively discharged into a collecting device, and finally the raw coal is separated and collected and enters a subsequent recycling treatment link.
The device is utilizing the support to set up the debris sieve, is setting up the hole on the debris sieve, and sets up the chute under the hole, is convenient for collect raw coal, and the raw coal after the separation can further be washed and selected the processing and be used as the fuel and use, reduces the pollution degree of environment, better performance fuel's effect, debris also can waste utilization, like the well backfill. The arrangement is simple and efficient. The coal separating and collecting device can effectively separate and treat raw coal and can convey and collect the separated raw coal, so that the separation and utilization efficiency of the raw coal is effectively improved, the pollution and the waste caused by the raw coal are reduced, the whole device is convenient to use and high in utilization rate, and the labor intensity is reduced. The invention adopts the groove-shaped spring connector structure, has stable structure, is convenient to install the driving mechanism at the bottom, drives the driving mechanism to move upwards integrally by a mode that the magnetic field of the electromagnet provides power, thereby leading the cam to be matched with the roller wheel and realizing the up-and-down pulsation of the integral structure, because the cam is always matched with the roller wheel arranged below the spring connector under the action of the electromagnet in the moving process, the operation is stable, the setting of the roller wheel reduces the friction force, the pulsation is more stable, simultaneously, when the driving motor does not operate, the electromagnet is powered off, the support body can move downwards, when the lower end surface of the support body is attached to the inner wall of the groove-shaped spring connector, the integral structure can be positioned on the spring connector, the relative movement is not easy to occur, because of adopting the groove structure and the convex groove structure, when the electromagnet is powered off, the support body can be fixed on the spring connector through the mutual, unnecessary sliding does not occur, and the structure can be more stable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. A raw coal conveying device comprises a sundry sieve, a support frame, a base, a slideway groove, a guide blanking groove, a receiving hopper, a material separating box, a belt pulley, a motor, a small-granularity raw coal collecting tank support column, a pulsating power output device, a belt, a small-granularity raw coal collecting tank, a large-granularity raw coal collecting tank and hinged support legs, and is characterized in that the sundry sieve is provided with a plurality of groups, the receiving hopper can simultaneously collect raw coal in the plurality of groups of sundry sieves, the sundry sieve and the slideway groove are arranged on the support frame, and the sundry sieve is provided with holes for separating and falling raw coal; the chute is arranged under the sundry screen, and the guide charging chute is arranged at the tail end of the chute and used for dropping raw coal to the receiving hopper; the automatic coal separation device is characterized in that a material separation box is arranged above a base of the material separation box, a vibration power output device is arranged on the left side of the lower end of the material separation box, a hinged support leg is arranged between the right side of the lower end of the material separation box and the base, the hinged support leg is hinged with the material separation box, a material receiving hopper is arranged at the upper left end of the material separation box, a large-granularity raw coal collecting tank is arranged at the lower right side of the material separation box, a belt is arranged in the material separation box, a smooth layer is arranged on the surface of the belt, the left end of the belt is higher than the right end of the belt, the included angle between the left end of the belt and the horizontal plane is 40-50 degrees, the two ends of the belt are fixed on the inner wall of the material separation box through connecting rods, a belt wheel is arranged at the shaft end of a, when raw coal conveyor during operation, the motor drives belt anticlockwise rotation, the material gets into on the belt in the feed divider along the collecting hopper, the belt is screen cloth structure or offers a plurality of bar through-holes that allow the small-grained raw coal to permeate through, under the combined action of the vibrational force of raw coal self gravity pulsation power take-off and belt conveying power, raw coal moves right along the belt, the direction of delivery of raw coal on the belt is left in order to slow down the speed that raw coal moved right, in order to increase the screening time of raw coal, the big granularity raw coal gets into big granularity raw coal collection device through big granularity raw coal collecting vat, and the little granularity raw coal in the raw coal permeates the belt and gets into in the big granularity raw coal collecting vat through little granularity raw coal, pulsation power take-off is realized through following structure: an upper support frame body is arranged at the left lower part of the material separating box, an electromagnet is arranged below the upper support frame body, the pulse power output device also comprises a groove-shaped spring connector body arranged below the electromagnet, the opening direction of the groove-shaped spring connector body is downward, a cavity is arranged between the spring connector bodies, support bodies are respectively arranged at two sides of the middle part of the spring connector body, one side of each support body is connected with a lifting rod through a connecting rod, a motor support seat is arranged below the connecting rod, the upper end of the motor support seat is fixedly connected with the middle part of the connecting rod, a motor is arranged at the lower part of the motor support seat, a reduction box matched with the motor is arranged at the output end of the motor, rotating shafts are respectively arranged at two sides of the reduction box, cams are respectively arranged on the rotating shafts, and rollers are arranged on the lower end surface of the spring connector, the lifting rod moves upwards to enable the roller to be matched with the cam when the electromagnet is electrified, the lower end of the lifting rod is provided with a connecting rod, the upper end of the lifting rod penetrates through the spring connector and the middle part of the electromagnet, the upper end of the lifting rod is provided with a lower spring baffle, the middle part of the upper support frame is provided with a through hole, the lifting rod penetrates through the through hole, the outer diameter of the lower spring baffle is larger than the diameter of the through hole, a spring is arranged between the upper end surface of the lower spring baffle and the lower end surface of the upper spring support, the spring is in a compression state when the electromagnet is electrified, the lifting rod further comprises a power supply device and a controller connected with the power supply device, a relay used for driving the electromagnet is arranged on the controller, and the motor is connected with the controller through a circuit, the weight sensor is arranged on the inner side of the upper support frame, when the borne weight reaches a rated value, a starting valve at the lower part of the receiving hopper is firstly opened, then the motor and the electromagnet are operated for a period of time until the raw coal on the belt is separated and is respectively discharged into the collecting devices, finally the raw coal is separated and collected and enters a subsequent recovery processing link, the weight sensor is connected with the controller through a circuit, a groove structure is arranged on the lower end face of the support body, a convex groove structure matched with the groove structure is arranged on the end face, opposite to the support body, of the spring connecting body, the groove structure can be clamped in the convex groove structure when the electromagnet is powered off, and the magnetic attraction force of the electromagnet is greater than the elastic force of the spring.
2. The raw coal conveying apparatus according to claim 1, wherein: spring connector both sides be provided with the mount respectively, the upper and lower both sides of left mount are equipped with upper left spring, spring under the left side, the upper and lower both sides of mount on right side are equipped with upper right spring, spring under the right side, the cam rotates and drives spring connector and mount up-and-down motion, upper left spring and upper right spring of compression during mount upward movement, spring and spring under the right side are down compressed to the mount during downward motion, thereby realize the vertical vibration of branch workbin, and realize that the raw coal of granule degree sees through the belt and falls into the raw coal collecting vat of small granule degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782511.7A CN107352283B (en) | 2017-09-02 | 2017-09-02 | Raw coal conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710782511.7A CN107352283B (en) | 2017-09-02 | 2017-09-02 | Raw coal conveying device |
Publications (2)
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| CN109307422B (en) * | 2018-10-15 | 2020-10-13 | 江苏鑫世丰技术产权交易有限公司 | Backflow type particle material drying device |
| CN110034352B (en) * | 2019-05-22 | 2022-08-19 | 上海云必科技有限公司 | Automobile battery recovery device |
| CN113788307B (en) * | 2021-09-26 | 2022-12-02 | 安徽攀登重工股份有限公司 | Belt conveyor capable of preventing materials from leaking |
| CN118387568B (en) * | 2024-06-28 | 2024-10-01 | 洛阳展尚建筑工程有限公司 | A belt conveyor for coal mines |
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| RU2275253C1 (en) * | 2004-09-29 | 2006-04-27 | Общество с ограниченной ответственностью "Лукойл-Пермнефтеоргсинтез" | Vibrating screen |
| CN201151564Y (en) * | 2007-12-20 | 2008-11-19 | 山西义棠煤业有限责任公司 | Recovery device for waste stone exhaust system |
| CN203695383U (en) * | 2013-11-29 | 2014-07-09 | 山东科技大学 | Vibrating screen device |
| CN104959303B (en) * | 2015-07-13 | 2017-07-07 | 镇雄滇龙生态科技有限公司 | A kind of method and its equipment of stock grading screening |
| CN107444860B (en) * | 2016-01-19 | 2019-04-30 | 葫芦岛市坤芫石化有限公司 | The material conveying method of slope device for transporting objects |
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| CN106000855A (en) * | 2016-06-30 | 2016-10-12 | 洛阳益矿机械设备有限公司 | Coal sorting machine |
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