CN210854422U

CN210854422U - Coal hopper for inhibiting dust generation during coal mine pouring

Info

Publication number: CN210854422U
Application number: CN201921875007.2U
Authority: CN
Inventors: 李克成
Original assignee: Datang Yuncheng Power Generation Co Ltd
Current assignee: Datang Yuncheng Power Generation Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-26
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a coal scuttle that produces dust when restraines the colliery and pours into, the left and right sides of lateral wall all is equipped with the first slide that runs through coal scuttle top and bottom mutually opposite before the inside of coal scuttle, inserts the guide plate that has the water conservancy diversion hole in the first slide, and water conservancy diversion hole department articulates through the first axle sleeve and the second axle sleeve that stagger each other has the baffle, and the second axle sleeve internal fixation is equipped with first torsional spring, and the roof is fixed on through first torsional spring and water conservancy diversion hole, prescribes a limit to the angle of baffle, conveniently goes out the air from water conservancy diversion hole water conservancy diversion, the utility model discloses have and restrain the dust, utilize your guide plate to go out the dust water conservancy diversion, reduce the atmosphere pollution, the.

Description

Coal hopper for inhibiting dust generation during coal mine pouring

Technical Field

The utility model relates to a coal handling field of thermal power factory, in particular to coal scuttle that produces the dust when restraines the colliery and pours into.

Background

The coal conveying in the thermal power plant is of great importance, whether the boiler can be stably combusted due to sufficient coal supply or not is directly influenced, so that the train tipper is used for overturning the coal in the small train and the small train, the coal bucket is used for gathering the coal to one position, the coal is directly used, and a large amount of time is saved.

However, when the coal is poured into the coal hopper, air is accumulated in the coal hopper, when the coal is discharged to the second half section of the coal unloading, the coal quantity is reduced, dust accumulated in the coal hopper carries a large amount of coal dust to be discharged upwards into the air, dust raising is caused to pollute the coal, meanwhile, when the coal is unloaded, workers need to be on the spot, and the workers easily breathe a large amount of dust and coal dust, so that the health of the workers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coal scuttle that produces the dust when restraines the colliery and pours into has and restraines the dust, discharges the dust from the guide plate outside, reduces the effect of atmosphere pollution, can also prevent simultaneously that the workman from inhaling the effect of a large amount of dust and buggy.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a coal hopper for inhibiting dust generation during coal mine dumping comprises a coal hopper, wherein the vertical cross section of the coal hopper is in an inverted trapezoid shape, opposite first slide ways are arranged on the left side and the right side of the inner front side wall and the inner rear side wall of the coal hopper, the first slide ways penetrate through the top and the bottom of the coal hopper, and a flow guide device is arranged in each first slide way;

the flow guide device comprises a flow guide plate and a baffle plate, the flow guide plate is inserted in a first slide way and is connected with the first slide way in a sliding way, the top of the flow guide plate is flush with an opening at the top of the coal hopper, a plurality of rectangular flow guide holes which are arranged in order are formed in the side part of the flow guide plate, and the flow guide holes are hinged with the baffle plate through a hinge device;

the hinge device comprises a plurality of first shaft sleeves arranged on the upper bottom wall inside the flow guide hole and a plurality of second shaft sleeves arranged at the positions, staggered with the first shaft sleeves, of the tops of the baffles, the flow guide plate is provided with a plurality of shaft holes corresponding to the inner diameter of the first shaft sleeves, the shaft holes penetrate from the left side part to the right side part of the flow guide plate, a rotating shaft is inserted in each shaft hole and connected with the first shaft sleeves and the second shaft sleeves, first torsion springs are arranged in the second shaft sleeves, one ends of the first torsion springs are fixedly connected with the second shaft sleeves, the other ends of the first torsion springs are fixedly connected with the upper top wall inside the flow guide hole, and the first torsion springs fix the angles of the baffles;

circular grooves are formed in the front side and the rear side of the top of the guide plate, the diameter of an opening in the top of each circular groove is smaller than the diameter of the inside of each circular groove, a transverse circular clamping plate is arranged inside each circular groove, the diameter of each clamping plate is consistent with the diameter of the inside of each circular groove, a spring is arranged between the bottom of each clamping plate and the bottom wall of the inside of each circular groove, a pull ring is arranged at the top of each clamping plate, and the top of each pull ring is flush with the top of the guide;

each pull ring is connected with a lifting device, the lifting device is positioned above the coal hopper, a fixing frame is fixedly arranged above the coal hopper, and the lifting devices are fixedly connected with the fixing frame.

The preferred scheme is as follows:

preferably: the lifting device comprises a first motor, a pulley, a steel strand and a lock catch, wherein the lock catch is fastened with the pull ring, the steel strand is fixedly connected with the lock catch, the steel strand passes through the pulley and is wound on a rotating shaft of the first motor, and the pulley is located right above the pull ring. The lifting device is buckled with the pull ring in the guide plate, and the guide plate can be smoothly pulled out of the coal hopper through the rotation of the motor.

Preferably: the coal bucket is characterized in that a square-shaped mounting block is fixedly arranged on the outer side wall of the top opening of the coal bucket, the top of the coal bucket is located in the middle of the mounting block, a first sliding groove is formed in the inner left side wall and the inner right side wall of the mounting block, and a sliding plate is arranged in the first sliding groove. The installation block is arranged, the sliding plate is arranged in the installation block, and the guide plate can be fixed in the first slide way.

Preferably: the utility model discloses a mounting block, including mounting block, slide plate, bearing, first bevel gear, second motor, second bevel gear and first bevel gear intermeshing, the second that runs through mounting block left side portion and right side portion is seted up to the intermediate position that mounting block right side position is located first spout, all be equipped with the bearing in the second perforation, every the equal fixed cover of bearing is equipped with the lead screw, the position department that the lateral wall of slide corresponds the lead screw is equipped with circular thread groove, lead screw and slide threaded connection, every be close to bearing department on the lead screw and all fix the cover and be equipped with first bevel gear, the lower part of mounting block and the first bevel gear department that. The motor drives the second bevel gear to rotate so as to drive the first bevel gear to rotate, the screw rod can be driven to rotate, and the screw rod is fixedly connected with the inner side of the bearing and is in threaded connection with the sliding plate, so that the sliding plate can be driven to enter and exit the first sliding groove when the screw rod rotates.

Preferably: the upper ends of the left side wall and the right side wall of the coal hopper are both provided with vent holes, and filter screens are arranged at the vent holes. The air vents can facilitate air discharge, and the filter screen can filter dust and coal dust.

Preferably: the lock catch is oval, an opening is formed in one side of a long edge of the lock catch, a shifting lever is hinged to the upper portion of the opening, a second torsion spring is arranged at the hinged position of the shifting lever, a first blocking piece is arranged on the outer side of the lower portion of the opening, and a second blocking piece corresponding to the blocking piece is arranged on the inner side of the lower portion of the shifting lever. The lock catch is provided with a shifting rod, and a first blocking piece on the shifting rod is blocked by a second blocking piece at the lower part of the lock catch opening, so that the safety of the lock catch is improved.

Preferably: c-shaped reinforcing ribs are arranged at intervals among the guide holes of the guide plate. The C-shaped reinforcing ribs can make the guide plate firmer, and prevent the guide plate from being bent when coal is poured into the guide plate, so that the effect is lost.

To sum up, the utility model discloses following beneficial effect has:

the baffle of guide plate is equipped with the torsional spring, flattens the guide plate and also can in time bounce-back when leading-in coal, and the setting of slide can prevent that the guide plate from producing vibrations and rocking from top to bottom when leading-in coal, can fully accomplish to discharge the dust from the outside of guide plate, reduces the atmosphere pollution.

Drawings

FIG. 1 is an overall structure of the present invention;

FIG. 2 is an exploded view of a partial cross-sectional view of the deflector and mounting block of the present invention;

FIG. 3 is a detailed structural diagram of the coal hopper of the present invention;

FIG. 4 is an enlarged view of A in FIG. 2;

FIG. 5 is an enlarged view of B in FIG. 2;

FIG. 6 is an enlarged view of C in FIG. 2;

FIG. 7 is a detailed structure diagram of the lifting device of the present invention;

fig. 8 is a detailed structure diagram of the lock of the present invention.

In the figure, 1, a coal hopper; 2. a baffle; 111. mounting blocks; 112. a slide plate; 113. a bearing; 114. a screw rod; 115. a first bevel gear; 116. a second motor; 117. a second bevel gear; 118. a filter screen; 211. A baffle plate; 212. a first bushing; 213. a second shaft sleeve; 214. a rotating shaft; 215. a first torsion spring; 216 cards; 217. a spring; 218. a pull ring; 219. a fixed mount; 220. c-shaped reinforcing ribs; 311. a first motor; 312. a pulley; 313. steel strand wires; 314. locking; 315. a reel; 316. a deflector rod; 317. a second torsion spring; 318. a first baffle plate; 319. a second baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1-8, a coal bunker 1 for inhibiting dust generation when a coal mine is poured into, a fixed mount 219 is disposed above the coal bunker 1, first motors 311 are disposed at the front and rear of the left and right sides of the bottom of the fixed mount 219, four pulleys 112 corresponding to the first motors 311 are disposed at the bottom of the fixed mount 219, the pulleys 112 are disposed at the inner sides of the first motors 311, a rotating shaft of the first motor 311 is sleeved with a rotating drum 315, a steel strand 313 is wound on the rotating drum 315, one end of the steel strand 313 is fixedly connected with a lock 314, the steel strand 313 passes through the pulley 312 corresponding to the lock and is locked on a pull ring 218 of a deflector 2 through the lock 314, the pull ring 218 is disposed in a circular groove at the upper end of the deflector 2, the diameter of a top opening of the circular groove is smaller than the diameter inside the circular groove, a circular lock plate 216 is disposed inside the circular groove, a spring 217 is disposed between the lock, the pull ring 218 is always located in the circular groove, if the pull ring is needed to be used, the pull ring is pulled upwards, the spring 217 extends, the clamping plate 216 abuts against an opening in the top of the circular groove, meanwhile, the pull ring 218 is clamped into the lock catch 314, the lock catch 314 is designed to be in an oval shape, an opening is formed in the long side of the oval shape, the upper portion of the opening is hinged to a shifting rod 316, a second torsion spring 317 is further arranged at the hinged portion to provide outward force for the shifting rod 316, a first blocking piece 318 is arranged on the outer side of the lower portion of the opening, a second blocking piece 319 corresponding to the first blocking piece 318 is arranged on the inner side of the lower portion of the shifting rod 316, the first blocking piece 318 can block the second blocking piece 319.

In order to adapt to a coal hopper 1 with trapezoidal vertical sections, a guide plate 2 is designed to be trapezoidal, the side part of the guide plate 2 is provided with a plurality of rectangular guide holes which are arranged orderly, the guide holes are hinged with a baffle 211, the upper bottom wall in the guide holes is provided with a plurality of first shaft sleeves 212, the top of the baffle 211 is provided with a plurality of second shaft sleeves 213 which are staggered with the first shaft sleeves 212, the guide plate 2 is provided with a plurality of shaft holes corresponding to the inner diameter of the first shaft sleeves 212 and penetrate from the left side part to the right side part of the guide plate 2, a rotating shaft 214 is inserted in the shaft holes, the rotating shaft 214 is connected with the first shaft sleeves 212 and the second shaft sleeves 213, the plurality of second shaft sleeves 213 are internally provided with first torsion springs 215, one ends of the first torsion springs 215 are fixedly connected with the second shaft sleeves 213, the other ends of the first torsion springs are fixedly connected with the upper top wall in the guide, meanwhile, the baffle 211 rotates outwards when being pressed by coal, once the coal falls to the bottom, the baffle 211 is restored to forty-five degrees under the action of the first torsion spring 215.

A square mounting block 111 is fixedly arranged at the outer side wall of the top opening of the coal hopper 1, the mounting block 111 is fixed on a fixing frame 219, the top of the coal hopper 1 is positioned in the middle of the mounting block 111, a first chute is formed in the left side wall and the right side wall of the interior of the mounting block 111, the first chute extends towards the front side and the rear side and is positioned right above a first chute, a sliding plate 112 is arranged in the first chute, in order to enable the sliding plate 112 to move more conveniently, a second perforation which penetrates through the left side part and the right side part of the mounting block 111 is formed in the middle of the first chute at the right side part of the mounting block 111, bearings 113 are respectively arranged in the second perforation, each bearing 113 is fixedly sleeved with a screw rod 114, a circular thread groove is arranged at the position, corresponding to the screw rod 114, of the side wall of the sliding plate 112, the screw rod 114 is in threaded connection with the sliding plate 112, a first bevel gear 115 is fixedly sleeved on each screw rod 114 and close to, the rotating shaft of the second motor 116 is fixedly sleeved with a second bevel gear 117, the second bevel gear 117 is meshed with the first bevel gear 115, the second motor 116 drives the second bevel gear 117 to rotate, the first bevel gear 115 rotates along with the first bevel gear 115 due to the fact that the second bevel gear is meshed with the first bevel gear 115, the second bevel gear drives the screw rod 114 to rotate, the connection mode of the screw rod 114 is fixed, the sliding plate 112 is located in the first sliding groove, the position of the sliding plate 112 is fixed, and the screw rod 114 is in threaded connection with the sliding plate 112, so that the screw rod 114 rotates, and the sliding plate 112 can only slide inwards or outwards.

Because the sliding plate 112 is arranged above the flow guide plate 2, the upper ends of the left side wall and the right side wall of the coal hopper 1 are respectively provided with a ventilation hole to facilitate air exhaust, and a filter screen 118 is arranged at the ventilation hole to filter dust and coal powder in order to prevent the dust and the coal powder from being emitted into the air.

In order to increase the hardness of the guide plate 2 and prevent the guide plate 2 from bending, C-shaped reinforcing ribs 220 are arranged at the intervals between the guide holes of the guide plate 2.

The working principle of the coal hopper for inhibiting dust generation during coal mine pouring is as follows: the guide plate 111 is buckled with a lock 314 in the pulling device through a pull ring 218 above, the lock 314 passes through a pulley 312 through a steel strand 313 and is connected with a winding drum 315 on a first motor 311, the first motor 311 in the pulling device rotates, the guide plate 2 is inserted downwards along a first slide way, when the guide plate 2 is inserted to the bottom, the guide plate 2 is completely clamped in the first slide way, the lock 314 is released, the first motor 311 rotates, the lock is lifted upwards, at the moment, the second motor 116 rotates, the sliding plate 112 is pushed to move forwards through a first bevel gear 115 fixedly connected with and meshed with the second motor 116 and a second bevel gear 117 fixedly connected with and meshed with a lead screw 114, the sliding plate 112 abuts against the side wall inside the first slide way, the second motor 116 stops rotating, and at the moment, the guide plate 2 is completely fixed.

The guide plate 2 is provided with guide holes, the guide holes are hinged with baffle plates 211, the baffle plates 211 fix the angle of the baffle plates to forty-five degrees through first torsion springs 215, when coal is poured into the coal guide plate, air is discharged outwards from the guide holes along the baffle plates 211, and then is discharged outwards from the ventilation holes on the left side and the right side of the coal hopper, if the coal is too heavy, the baffle plates 211 are pressed outwards to rotate, the coal falls into the bottom, and the baffle plates 211 return automatically under the action of the first torsion springs 215 to achieve the effect of discharging dust.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a coal scuttle that produces dust when restraines the colliery and pours into, includes coal scuttle (1), coal scuttle (1) erects the cross-section and all is down trapezoidal, its characterized in that: the left side and the right side of the inner front side wall and the inner rear side wall of the coal hopper (1) are respectively provided with a first slideway which is opposite, the first slideway penetrates through the top and the bottom of the coal hopper (1), and a flow guide device is arranged in the first slideway;

the flow guide device comprises a flow guide plate (2) and a baffle plate (211), the flow guide plate (2) is inserted in a first slide way, the flow guide plate (2) is connected with the first slide way in a sliding mode, the top of the flow guide plate (2) is flush with an opening in the top of the coal hopper (1), a plurality of rectangular flow guide holes which are distributed in order are formed in the side portion of the flow guide plate (2), and the flow guide holes are hinged to the baffle plate (211) through a hinge device;

the hinge device comprises a plurality of first shaft sleeves (212) arranged on the inner upper bottom wall of a flow guide hole and a plurality of second shaft sleeves (213) arranged at the staggered positions of the top of a baffle plate (211) and the first shaft sleeves (212), the flow guide plate (2) is provided with a plurality of shaft holes corresponding to the inner diameter of the first shaft sleeves (212) and penetrating from the left side part to the right side part of the flow guide plate (2), a rotating shaft (214) is inserted in the shaft holes, the rotating shaft (214) is connected with the first shaft sleeves (212) and the second shaft sleeves (213), a plurality of first torsion springs (215) are arranged in the second shaft sleeves (213), one ends of the first torsion springs (215) are fixedly connected with the second shaft sleeves (213), the other ends of the first torsion springs are fixedly connected with the inner upper top wall of the flow guide hole, and the first torsion springs (215) fix the angle between the baffle plate (;

circular grooves are formed in the front side and the rear side of the top of the guide plate (2), the diameter of an opening in the top of each circular groove is smaller than the diameter of the inside of each circular groove, a transverse circular clamping plate (216) is arranged inside each circular groove, the diameter of each clamping plate (216) is consistent with the diameter of the inside of each circular groove, a spring (217) is arranged between the bottom of each clamping plate (216) and the bottom wall of the inside of each circular groove, a pull ring (218) is arranged at the top of each clamping plate (216), and the top of each pull ring (218) is flush with the top of the guide plate (;

each pull ring (218) is connected with a pulling device, the pulling device is positioned above the coal hopper (1), a fixing frame (219) is fixedly arranged above the coal hopper (1), and the pulling device is fixedly connected with the fixing frame (219).

2. The coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 1, wherein: the lifting device comprises a first motor (311), a pulley (312), a steel strand (313) and a lock catch (314), wherein the lock catch (314) is buckled with the pull ring (218), the steel strand (313) is fixedly connected with the lock catch (314), a winding drum (315) is arranged at a rotating shaft of the first motor (311), the steel strand (313) penetrates through the pulley (312) to be wound on the winding drum (315), and the pulley (312) is located right above the pull ring (218).

3. The coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 1, wherein: the coal bucket is characterized in that a mounting block (111) in a shape of a Chinese character 'hui' is fixedly arranged at the outer side wall of a top opening of the coal bucket (1), the top of the coal bucket (1) is located at the middle position of the mounting block (111), a first sliding groove is formed in the inner left side wall and the inner right side wall of the mounting block (111), and a sliding plate (112) is arranged in the first sliding groove.

4. A coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 3 wherein: the mounting block (111) right side portion is located in the middle of the first sliding groove and is provided with a second through hole penetrating through the left side portion and the right side portion of the mounting block (111), bearings (113) are arranged in the second through hole, each bearing (113) is fixedly sleeved with a screw rod (114), a circular thread groove is formed in the position, corresponding to the screw rod (114), of the side wall of the sliding plate (112), the screw rod (114) is in threaded connection with the sliding plate (112), each screw rod (114) is fixedly sleeved with a first bevel gear (115) close to the bearing (113), the lower portion of the mounting block (111) is provided with a second motor (116) corresponding to the first bevel gear (115), a second bevel gear (117) is fixedly sleeved at the rotating shaft of the second motor (116), and the second bevel gear (117) is meshed with the first bevel gear (115).

5. The coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 4, wherein: the upper ends of the left side wall and the right side wall of the coal hopper (1) are provided with vent holes, and filter screens (118) are arranged at the vent holes.

6. The coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 2, wherein: the lock catch (314) is oval, an opening is formed in one side of a long edge of the lock catch (314), a shifting rod (316) is hinged to the upper portion of the opening, a second torsion spring (317) is arranged at the hinged position of the shifting rod (316), a first blocking piece (318) is arranged on the outer side of the lower portion of the opening, and a second blocking piece (319) corresponding to the blocking piece is arranged on the inner side of the lower portion of the shifting rod.

7. The coal hopper for inhibiting dust generation during coal mine dumping as claimed in claim 1, wherein: c-shaped reinforcing ribs (220) are arranged at intervals among the guide holes of the guide plate.