CN219540433U - Coal breaker for colliery - Google Patents

Abstract

The utility model relates to the technical field of coal mine crushing equipment, and particularly discloses a coal crushing device for a coal mine, which comprises a support frame body, a feeding component, a coal dividing component and a crushing component, wherein the feeding component is arranged at the top end of one side of the support frame body and is used for inputting coal, the coal dividing component is arranged at the bottom end of the other side of the support frame body and is used for outputting coal blocks and coal dust, the crushing component is arranged between the feeding component and the discharging component and is used for crushing the coal into the coal blocks and the coal dust, the discharging component comprises a coal dividing box and a coal dividing plate, the coal dividing box is obliquely arranged at the bottom end of the coal dividing box, through holes are formed in the coal dividing plate, the coal discharging port is formed in the bottom end of the side wall of the inclined side of the coal dividing box, and the coal inlet is formed in the top end of the coal dividing box, so that the coal blocks and the coal dust which are produced by the traditional coal crushing device are jointly conveyed into the next working procedure after crushing is solved, and the coal blocks and the coal dust separating function is not achieved.

Description

Coal breaker for colliery

Technical Field

The utility model relates to the technical field of coal mine crushing equipment, and particularly discloses a coal crushing device for a coal mine.

Background

The coal mainly comprises elements such as carbon, hydrogen, oxygen, nitrogen, sulfur, phosphorus and the like, the sum of the carbon, the hydrogen and the oxygen accounts for more than 95 percent of the organic matters, and the coal is an important energy source, is also an important raw material in the metallurgical and chemical industries, and is classified into lignite, bituminous coal, anthracite and semi-anthracite.

Coal is collected from a coal mine, crushing of coal is a necessary procedure in the coal mining process, and the mined raw coal or bituminous coal can enter the next procedure for processing and treatment only after being crushed. In the prior art, for a coal crushing device, such as a crusher for coal mining with patent grant publication number CN213315213U, after coal is introduced into a crushing box, the coal is crushed by a crushing roller in the crushing box. The coal crushing work can be completed.

However, when the coal just mined is transported into the crusher by the conveyor belt, not only the coal with large whole individuals but also the crushed coal with small individual individuals and the pulverized coal can be wrapped on the conveyor belt, and the coal and the pulverized coal can be conveyed into the crusher by the conveyor belt and enter the next process along with the coal after the crushing. And in the process of crushing coal blocks, coal dust can be generated, and the coal dust can move together with crushed coal, and is not separately classified to be separately treated, so that the follow-up procedure is affected, and resource waste and unreasonable differentiation exist.

Accordingly, the inventors have provided a coal crushing apparatus for coal mines so as to solve the above-described problems.

Disclosure of Invention

The utility model aims to solve the problem that the traditional coal crushing device can jointly convey the generated coal blocks and coal dust into the next working procedure after crushing, and does not have the function of separating the coal blocks and the coal dust.

In order to achieve the aim, the basic scheme of the utility model provides a coal crushing device for a coal mine, which comprises a support frame body, a feeding component, a coal distributing component and a crushing component, wherein the feeding component is arranged at the top end of one side of the support frame body and is used for inputting coal, the coal distributing component is arranged at the bottom end of the other side of the support frame body and is used for outputting coal blocks and coal dust, the crushing component is arranged between the feeding component and the discharging component and is used for crushing coal into the coal blocks and the coal dust, the discharging component comprises a coal distributing box and a coal distributing plate, the coal distributing box is used for receiving the coal blocks and the coal dust, the coal distributing plate is obliquely arranged at the bottom end of the coal distributing box, through holes are formed in the coal distributing plate and are used for separating the coal blocks and the coal dust, a coal discharging port is formed in the top end of the coal distributing box, and the coal discharging port is arranged at the bottom end of the coal distributing box.

The principle and effect of this basic scheme lie in:

1. according to the utility model, the coal falling is conveyed into the crushing assembly through the feeding assembly, the coal is crushed into coal blocks through the crushing assembly, coal dust is generated in the process of crushing the coal blocks, then the crushed coal blocks and the crushed coal dust fall into the coal separating assembly, and the coal blocks and the coal dust are separated through the coal separating assembly, so that the classification of the coal blocks and the coal dust is completed.

2. According to the utility model, after the coal blocks are wrapped with the pulverized coal and fall into the coal separating box, the coal blocks and the pulverized coal fall onto the inclined coal separating plate, in the process that the coal blocks and the pulverized coal move towards one inclined side on the coal separating plate, the pulverized coal can fall from the through holes, and the rest coal blocks can fall through the coal discharging holes in the moving process, so that the separation and classification of the coal blocks and the pulverized coal are completed, and the problem that the conventional coal crushing device can jointly convey the generated coal blocks and the pulverized coal into the next working procedure after crushing is solved, and the coal separating device does not have the function of separating the coal blocks and the pulverized coal.

Further, the feed assembly includes a feed structure for delivering coal and a support structure for supporting the feed structure. Coal is conveyed through the feed structure, which is supported by the support structure.

Further, the feeding structure comprises a feeding box, first belt wheels respectively connected between two sides of the feeding box in a rotating mode, a first conveying belt meshed between the first belt wheels and used for conveying coal, and a driving motor used for driving the first belt wheels to rotate. The driving motor drives the first belt wheel to rotate so as to enable the first conveyor belt to rotate, and coal falling on the first conveyor belt enters the crushing assembly.

Further, broken subassembly includes broken case and locates broken structure that is used for broken coal in the broken case, and broken case top is equipped with the coal inlet that is located first conveyer belt discharge end below, and the bottom is equipped with the coal outlet with the coal inlet intercommunication. Coal falls from the coal inlet to the crushing structure for crushing, and coal blocks and coal dust generated after crushing enter the coal inlet of the coal distributing box through the coal outlet.

Further, a coal inlet baffle for preventing coal from splashing is arranged at the outer edge of the top of the crushing box. Coal is prevented from splashing through the coal inlet baffle plate.

Further, the first conveyor belt is also provided with a through hole for separating coal blocks from coal dust, and a conveying structure for discharging the coal dust is arranged in the feeding box below the first conveyor belt. The coal dust wrapped in the falling coal can be separated through the through holes and is separated in advance.

Further, the outer edge of the top end of the feeding box is also provided with a coal dropping baffle for preventing coal from splashing. Coal is prevented from splashing by the coal dropping baffle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a side view of a coal crushing device for coal mines according to an embodiment of the utility model;

FIG. 2 shows a schematic diagram of a coal crushing device for coal mines according to an embodiment of the utility model;

fig. 3 shows a partial schematic view of a coal crushing device for coal mines according to an embodiment of the utility model.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the coal feeding device comprises a main beam 1, a coal falling baffle 2, a supporting column 3, a coal feeding baffle 4, a crushing box 5, a coal distributing box 6, a coal conveying frame 7, a coal conveying box 8, a third conveying belt 9, a second conveying belt 10, a spring buffer 11, a through hole 12, a first conveying belt 13, crushing rollers 14 and 15 and coal distributing plates.

A coal crushing device for coal mines, the embodiment of which is shown in fig. 1:

comprising the following steps: the crushing device comprises a supporting frame body, a feeding assembly arranged at the top of the left end of the supporting frame body, a discharging assembly arranged at the bottom of the right end of the supporting frame body and a crushing assembly arranged between the feeding assembly and the discharging assembly.

The support frame body includes: front frame, back frame and be used for connecting the disjunctor support body of front frame and back frame. The connecting frame body comprises two parallel main beams 1, and a connecting rod is welded between the two main beams 1. The front frame is arranged on the right side of the main beam 1 and consists of a cuboid frame which is welded and built by steel materials. The rear frame is arranged on the left side of the connecting frame body and is also composed of a cuboid frame which is welded and built by steel, and an inclined reinforcing beam is welded between the transverse frame and the vertical frame in the frame of the rear frame.

As shown in fig. 1 and 2, the feed assembly includes: a feed structure for transporting coal and a support structure for supporting the feed structure. The support structure comprises four support columns 3 which are respectively arranged on the two main beams 1 and are parallel to each other, wherein two support columns 3 are respectively arranged at the left ends of the two main beams 1, and the rest two support columns 3 are respectively arranged on the two main beams 1 in parallel to each other. On the support column 3, a feeding box is installed, and openings are formed in the left side and the right side of the feeding box. Two cross beams are further installed on the main beam 1 at the bottom end of the feeding box, a spring buffer 11 is installed between the bottom end of the feeding box and the cross beams, and a vibrator is installed on the outer wall of the feeding box. The left end and the right end of the feeding box are respectively provided with a rotatable first belt wheel, a first conveyor belt 13 is meshed between the first belt wheels, and the tail end of the first conveyor belt 13 slightly extends to the outer side of the opening on the right side of the feeding box. On the feeding box outside the first conveying, a coal dropping baffle plate 2 is also arranged to prevent coal from splashing.

The first conveyor belt 13 is provided with a plurality of through holes 12 for the coal dust to fall down, and along with the rotation of the conveyor belt, the coal dust can fall down through the through holes 12. A rotatable second belt wheel is respectively arranged at the left and right ends of the feeding box below the first conveyor belt 13, a second conveyor belt 10 is meshed between the second belt wheels, and the tail end of the second conveyor belt 10 slightly extends to the outer side of the left opening of the feeding box. The first conveyor belt 13 rotates in the opposite direction to the second conveyor belt 10. The pulverized coal falling from the through holes 12 of the first conveyor belt 13 can fall onto the second conveyor belt 10 and be sent out through the second conveyor belt 10. On the right side of the feeding box, two driving motors are also respectively installed, and the output shafts of the two driving motors are respectively and coaxially connected with a first belt wheel and a second belt wheel on the left side and are used for driving the first conveyor belt 13 and the second conveyor belt 10 to rotate.

As shown in fig. 2 and 3, the crushing assembly is mounted below the right end of the first conveyor belt 13. The crushing assembly includes: the coal crushing device comprises a coal crushing box, a crushing structure arranged in the coal crushing box, a coal separating structure arranged at the bottom end of the coal crushing box and a driving motor for driving the crushing structure.

The top end of the crushing box 5 is provided with a coal inlet for coal to enter, and the bottom is provided with a coal outlet. The top of the crushing box 5 is positioned at the outer edge of the coal inlet and is also provided with a coal inlet baffle 4 for preventing coal from falling out when falling. The crushing structure comprises two rotating shafts which are respectively arranged at two sides in the crushing box 5 and can rotate, the rotating shafts are coaxially connected with a crushing roller 14, and a plurality of crushed coal bulges which are distributed at equal intervals are circumferentially arranged on the outer wall of the crushing roller 14. In this embodiment, the crushing rollers 14 on both sides are adjacent, the gap left between the crushing rollers 14 on both sides is required to crush the coal, and the gap between the crushing rollers 14 on both sides and the crushing box 5 is required to crush the coal. The two rotating shafts extend out of the left side wall of the crushing box 5, the driving motor is coaxially connected with the left rotating shaft, a rotatable transmission shaft is further mounted on the left side wall of the crushing box 5, the transmission shaft is coaxially connected with the left rotating shaft, a transmission wheel is coaxially connected with the transmission shaft, a belt is meshed between the transmission wheels, meanwhile, gears are coaxially connected with the transmission shaft and the right rotating shaft, and the two gears can be meshed with each other.

In this embodiment, the broken coal protruding is the protruding of toper, on the protruding slope outer wall of broken coal, still circumference is equipped with the hemisphere coal briquette that a plurality of equidistance were arranged. And the section of the bottom end of the crushing box 5, which is close to the coal outlet, and the coal outlet are inclined towards the coal separating structure. The coal distributing port comprises a coal distributing box 6 and a 15-degree coal distributing plate arranged at the bottom end of the coal distributing box 6. As shown in fig. 3, in this embodiment, the 15 coal separation plates at the bottom end of the coal separation box 6 are inclined, and in this embodiment, the 15 coal separation plates are inclined toward the left side, and the left side top end of the coal separation box 6 is provided with a coal inlet, and the left side bottom end of the coal separation box 6 is provided with a coal discharge opening. The 15 coal separating plate is also provided with a plurality of through holes 12 distributed in an equidistant array for the coal dust to fall down.

As shown in fig. 1, the discharge assembly is mounted below the coal distribution box 6. The discharging assembly comprises two third pulleys and a third conveyor belt 9 meshed between the two third pulleys, and the left end of the third conveyor belt 9 is arranged below a coal discharging port of the coal distributing box 6. A coal conveying frame 7 is also arranged at the coal discharging port of the coal distributing box 6 and is used for guiding the coal blocks falling from the coal discharging port onto a third conveyor belt 9. The coal conveying box 8 is also arranged below the 15-division coal plate of the coal dividing box 6, a coal inlet hole communicated with the 15-division coal plate is formed in the top end of the coal conveying box 8, coal dust falling from the 15-division coal plate is fed into and discharged, the coal conveying box 8 is formed by splicing multi-section boxes, and adjacent boxes have a certain inclination angle during splicing. The third belt wheel on the left side is also connected with a driving motor, and the driving motor is used as a power source to rotate so as to drive the third conveyor belt 9 to rotate.

When the coal crushing device is used, coal can fall into a feeding assembly and is conveyed into the crushing box 5 by the first conveying belt 13, coal dust wrapped in the coal can fall into the second conveying belt 10 through the through holes 12 on the first conveying belt 13 in the conveying process of the first conveying belt 13, meanwhile, the vibrator can work to enable the feeding box to vibrate slightly to further separate coal dust and coal blocks, after the coal enters the crushing box 5, the coal can be crushed into the coal blocks by the crushing roller 14 and falls into the coal distributing box 6, the coal blocks are separated from the coal dust generated during crushing by the 15-split coal plate, the separated coal blocks can be discharged through the third conveying belt 9, and the separated coal dust can be discharged through the coal conveying box 8.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (7)

1. The utility model provides a coal breaker for colliery which characterized in that: including the support frame body, locate support frame body one side top and be used for inputting the feeding subassembly of coal, locate support frame body opposite side bottom and be used for exporting the coal subassembly of coal piece and buggy and locate between feeding subassembly and the ejection of compact subassembly and be used for the broken subassembly of coal piece and buggy, ejection of compact subassembly is including the coal separating box that is used for receiving coal piece and buggy and the coal separating plate of the coal separating box bottom is located to the slope, be equipped with the through-hole that is used for separating coal piece and buggy on the coal separating plate, coal separating box orientation coal separating plate slope one side lateral wall bottom is equipped with the coal unloading mouth, the coal separating box top is equipped with the coal inlet.

2. A coal crushing apparatus for coal mines according to claim 1, wherein said feed assembly comprises a feed structure for conveying coal and a support structure for supporting the feed structure.

3. The coal crushing device for coal mines according to claim 2, wherein the feeding structure comprises a feeding box, first pulleys rotatably connected between both sides of the feeding box, first conveyor belts meshed between the first pulleys and used for conveying coal, and a driving motor used for driving the first pulleys to rotate.

4. The coal crushing device for the coal mine according to claim 3, wherein the crushing assembly comprises a crushing box and a crushing structure arranged in the crushing box and used for crushing coal, a coal inlet arranged below the discharge end of the first conveyor belt is arranged at the top end of the crushing box, and a coal outlet communicated with the coal inlet is arranged at the bottom end of the crushing box.

5. The coal crushing device for coal mines according to claim 4, wherein a coal inlet baffle for preventing coal from splashing is arranged on the outer edge of the top of the crushing box.

6. A coal crushing apparatus for coal mine as claimed in claim 3, wherein the first conveyor belt is also provided with a through hole for separating coal blocks and coal dust, and a conveying structure for discharging the coal dust is arranged in the feeding box below the first conveyor belt.

7. A coal crushing device for coal mines according to claim 3, wherein the outer edge of the top end of the feeding box is also provided with a coal drop baffle for preventing coal from splashing.