CN114522789A

CN114522789A - Coal mine crushing process and coal mine crushing system using same

Info

Publication number: CN114522789A
Application number: CN202210284710.6A
Authority: CN
Inventors: 陈治强; 杜雪雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-05-24

Abstract

The invention discloses a coal mine crushing process and a coal mine crushing system using the same, wherein the coal mine crushing system comprises: the coal crushing device comprises an assembly bottom plate, a stamping crushing mechanism and a secondary decomposition mechanism are fixedly mounted at the top of the assembly bottom plate respectively, a material conveying mechanism is fixedly mounted on the front surface of the secondary decomposition mechanism, a dust adsorption mechanism is fixedly mounted on the rear surface of the secondary decomposition mechanism, the stamping crushing mechanism comprises a reinforcing plate A, a single part of coal is continuously refined and decomposed again in an extrusion and disassembly mode, a plurality of coals with smaller volumes are obtained, the coals after being mined can be subjected to step-by-step crushing treatment, the whole coal with larger volume is divided into a plurality of block faces by using a stamping part, the coal is cut and decomposed by cutting each independent block face, the coal is finally processed into the volume capable of being used by a combustion part, and the capacity of the device for coal grading treatment is realized.

Description

Coal mine crushing process and coal mine crushing system using same

Technical Field

The invention relates to the technical field of ore crushing equipment, in particular to a coal mine crushing process and a coal mine crushing system using the same.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, when the coal layer is far away from the ground surface, the coal layer is generally selected to dig a tunnel to the underground, which is a mineworker coal mine, when the coal bed is very close to the earth surface, the coal bed is generally dug by directly stripping the earth surface soil layer, which is an open pit coal mine, most coal mines in China belong to underground coal mines, the range of the coal mines comprises the ground, the underground and large areas of related facilities, the coal mine is a reasonable space excavated by human beings when excavating geological layers rich in coal, generally comprises a roadway, a well hole, an excavation surface and the like, the coal is the most main solid fuel, is one of combustible organic rocks, is a luxurious plant grown in a certain geological age, in a suitable geological environment, the coal is gradually piled up into a thick layer and buried in the water bottom or silt, and the coal is formed through natural coalification of a long geological age.

In the prior art, as in the Chinese patent number: CN 111229362A discloses coal mining breaker in colliery, including the guide case, the guide case is equipped with the installation section of thick bamboo near the top of end portion, the installation section of thick bamboo internal rotation is equipped with broken section of thick bamboo, be equipped with the stock guide in the guide case, the one end that the installation section of thick bamboo was kept away from to the guide case is equipped with the transport case, be equipped with a plurality of fortune flitches on the conveyer belt, stock guide case one side is equipped with first motor, through first motor drive first pivot and cylinder rotate, it is equipped with the storage case to go out flitch bottom and transport case one side, storage case open-top portion rotates and is equipped with two squeeze rolls, storage case one side is equipped with the second motor, through second motor drive squeeze roll rotates.

However, the above patents have the following disadvantages:

along with the development of science and technology, current mining to the colliery, the majority adopts automatic mechanical equipment to accomplish, after the coal after the mining transports the use region, receive the restriction of combustion apparatus fire door and need carry out crushing treatment to the great coal of volume, nevertheless because equipment inner structure is comparatively single in the above-mentioned patent, can't carry out hierarchical crushing treatment to the coal after the mining, and can't carry out the breakage to the coal of great volume, when leading to the great coal of volume to transport the use region, still need carry out secondary damage to the coal and handle.

We have therefore proposed a coal mine crushing process and a coal mine crushing system using the same, in order to solve the problems set out above.

Disclosure of Invention

The invention aims to provide a coal mine crushing process and a coal mine crushing system using the same, wherein a stamping crushing mechanism and a secondary decomposition mechanism which are connected with an assembly bottom plate are used, a stamping part is firstly used for crushing coal with larger volume, and then a transportation part is used for conveying the primarily treated coal to the next crushing mechanism, so that the primarily crushed coal is fully refined and decomposed, the device has the capability of treating the coal in a grading manner, the coal is effectively prevented from being subjected to secondary crushing treatment when in use, the difficulty of secondary processing of the coal by a user in the later period is reduced, and the problems provided by the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a coal mine crushing system for coal mine crushing, comprising: the assembly device comprises an assembly bottom plate, wherein the top of the assembly bottom plate is respectively and fixedly provided with a stamping and crushing mechanism and a secondary decomposition mechanism, the front surface of the secondary decomposition mechanism is fixedly provided with a material conveying mechanism, and the rear surface of the secondary decomposition mechanism is fixedly provided with a dust adsorption mechanism;

the stamping and crushing mechanism comprises a reinforcing plate A, the reinforcing plate A is fixedly installed at the top of the assembly bottom plate through a group of screws C, a metal supporting plate is welded at the top of the reinforcing plate A, a crushing box A is fixedly installed at the top of the metal supporting plate, a U-shaped metal frame is fixedly installed between two sides of the outer wall of the metal supporting plate, a connecting sleeve is fixedly installed at the top of the U-shaped metal frame, a pneumatic assembly is fixedly inserted into the inner surface wall of the connecting sleeve, a metal baffle is fixedly sleeved at the output end of the pneumatic assembly, and a plurality of alloy pressing buckles are arranged at the bottom of the metal baffle;

second grade decomposition mechanism includes a plurality of metal branch, and is a set of metal branch's bottom is all fixed to be inserted and is established at the top of mounting plate, and is a plurality of fixed cover is equipped with reinforcing plate C between metal branch's the outward appearance wall, reinforcing plate C's top fixed mounting has broken case B, broken case B's bottom welding has the funnel, the activity is inserted between broken case B's the inside both sides and is equipped with two transfer lines A, two transfer line A's outward appearance wall is all fixed the cover and is equipped with metal drum, two metal drum's outward appearance wall all welding has a set of alloy tooth.

Preferably, there is a stripper plate fixed to the bottom of the inner wall of the crushing box a, an opening of the crushing box a is provided with a connecting plate, an L-shaped frame a is fixedly mounted on the front surface of the crushing box a, a mounting groove is formed in the front surface of the crushing box a, a movable plate is arranged in the mounting groove, an electric telescopic rod is fixedly inserted in the L-shaped frame a, and an output end of the electric telescopic rod is fixedly inserted in the movable plate.

Preferably, two outer wall one end of transfer line A all runs through outer wall one side of broken case B, there are two reinforcing plates D, two outer wall one side of broken case B through two sets of screw A fixed mounting the inside of reinforcing plate D is all fixed to be inserted and is equipped with a set of metal pole A, and is two sets of all fixed the cover is equipped with external lantern ring, two between metal pole A's the exterior wall all fixed the inserting is equipped with servo motor B, two in the external lantern ring servo motor B's output is connected with transfer line A's outer wall one end respectively.

Preferably, the material conveying mechanism comprises two reinforcing plates B which are fixedly arranged on the front surface of the crushing box B through two groups of screws B, supporting plates are welded on the outer surface walls of the reinforcing plates B, and a group of linkage rods is movably inserted between the opposite sides of the supporting plates.

Preferably, one end of the outer wall of the linkage rod penetrates through the outer wall of one of the supporting plates, one end of the outer wall of each supporting plate is fixedly provided with a roller, and a cooperative belt is movably sleeved between the inner walls of the rollers.

Preferably, it is a set of the equal fixed cover of outer table wall of gangbar is equipped with the roller pole, and is a set of the activity cover is equipped with the conveyer belt between the outer table wall of roller pole, two the welding of the outer wall one side of one of them backup pad has L type frame B, L type frame B's inside is fixed to be inserted and is equipped with servo motor A, servo motor A's output and the outer wall one end of one of them gangbar are connected.

Preferably, the dust adsorption mechanism comprises two hollow sleeves, the outer surface walls of the two hollow sleeves are fixedly inserted in the rear surface of the crushing box B, the inner surface walls of the two hollow sleeves are fixedly provided with inner connecting rings, the inner surface walls of the two inner connecting rings are fixedly inserted with a group of metal rods B, and a locking lantern ring is fixedly sleeved between the outer surface walls of the two metal rods B.

Preferably, servo motors C are fixedly inserted into the inner surface walls of the two locking lantern rings, transmission rods B are fixedly installed at the output ends of the servo motors C, and fans are fixedly sleeved on the outer surface walls of the transmission rods B.

Preferably, a U-shaped pipe is fixedly communicated between the rear surfaces of the two hollow sleeves, and an air outlet pipe is fixedly communicated with the outer surface wall of the U-shaped pipe.

A coal mine crushing process comprises the following steps:

the method comprises the following steps: remove the device to appointed work area after, carry the kibbling colliery stone of needs to between stripper plate and the metal baffle, start the surface that pneumatic subassembly drove metal baffle and make a round trip to strike the coal ore, a plurality of alloys on the metal baffle press the surface contact of detaining continuously with the coal ore this moment, because every alloy press the volume of detaining less, and then make the alloy press the impact effect of detaining the surperficial production of knot bigger, press the pressure that the knot department produced when the alloy to exceed the bearing scope of coal ore, can be fast with the great coal ore of volume broken into a plurality of parts.

Step two: after the coal mine stone is broken, the electric telescopic rod is started to drive the movable plate to move in the breaking box A, and the plurality of coal blocks are pushed to fall on the surface of the conveying belt from the connecting plate.

Step three: and starting the servo motor A to enable one linkage rod to obtain rotating power, driving and starting one roller to rotate at the moment, and enabling the linkage rods to synchronously rotate under the traction action of the cooperation belt.

Step four: because of roller pole and gangbar and fixed continuous, and then make the roller pole drive surface mounting's conveyer belt according to the gangbar rotation direction for the coal cinder that drops on the conveyer belt continues to remove towards the feeding department of broken case B.

Step five: and starting the two servo motors B, enabling the rotation directions of the two servo motors B to be opposite, and driving the two metal rollers on the transmission rod A to rotate towards the direction of the discharge end of the crushing box B, so that an extrusion trend is formed between the two metal rollers.

Step six: the coal briquette finally enters the crushing box B under the continuous conveying of the conveying belt and is in contact with the surface of the metal roller, and the multiple coal briquettes are further cut through the alloy teeth on the metal roller, so that the single coal briquette is gradually decomposed into multiple volumes which can be used by combustion equipment.

Step seven: at this time, the transport vehicle is moved to the bottom of the crushing box B, the storage bin is aligned to the discharge end of the hopper, and the coal blocks which are fully processed continuously fall into the automobile storage bin from the bottom of the hopper.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the mined coal can be subjected to step-by-step crushing treatment by the stamping crushing mechanism and the secondary decomposition mechanism, the whole coal with larger volume is firstly divided into a plurality of block surfaces by the stamping part, then the coal of each independent block surface is cut and decomposed, and finally the coal is treated into the volume which can be used by the combustion part, so that the capacity of the device for grading the coal is realized, and the problem that the coal needs to be subjected to secondary treatment after being transported to a use site due to the fact that the device cannot fully crush the volume of the coal is avoided.

2. According to the dust adsorption device, the dust generated when the coal briquette is decomposed is adsorbed by the dust adsorption mechanism in the process of crushing the coal briquette, the air doped with the dust is driven by the driving part in the mechanism, and the dust is collected into the cloth bag, so that the dust generated when the coal briquette is crushed is effectively prevented from continuously diffusing into the operating environment to cause air pollution in the area, the suction amount of an operator to the coal ash is reduced, and the breathing health of the operator is guaranteed.

3. According to the invention, the coal blocks after primary crushing can be quickly transported to the thinning and crushing component through the material conveying mechanism, so that a manual carrying mode is replaced, the time for conveying the coal blocks by the device is shortened, the device has continuous working capacity, and the working efficiency of the device is effectively improved.

Drawings

FIG. 1 is a perspective view of a front view of a coal mine crushing system of the present invention;

FIG. 2 is a side view, in perspective, of a coal mine crushing system of the present invention;

FIG. 3 is an enlarged perspective view of a stamping crushing mechanism in the coal mine crushing system of the present invention;

FIG. 4 is an enlarged perspective view of a material conveying mechanism in a coal mine crushing system according to the present invention;

FIG. 5 is an enlarged perspective view of a secondary decomposition mechanism in a coal mine crushing system of the present invention;

FIG. 6 is an enlarged perspective view of a dust adsorption mechanism in a coal mine crushing system of the present invention;

FIG. 7 is an enlarged perspective view of a portion of the coal mine crushing system of the present invention;

FIG. 8 is an enlarged perspective view of the coal mine crushing system of the present invention taken at location A of FIG. 4;

fig. 9 is an enlarged perspective view of a coal mine crushing system of the present invention at the location B in fig. 5.

In the figure: 1. assembling a bottom plate; 2. a stamping and crushing mechanism; 201. a reinforcing plate A; 202. a metal support plate; 203. a crushing box A; 204. a U-shaped metal frame; 205. a pressing plate; 206. a connecting sleeve; 207. a pneumatic assembly; 208. a metal baffle plate; 209. an alloy pressing buckle; 210. an L-shaped frame A; 211. an electric telescopic rod; 212. a movable plate; 213. a connector tile; 3. a material conveying mechanism; 301. a reinforcing plate B; 302. a linkage rod; 303. a roll bar; 304. a conveyor belt; 305. an L-shaped frame B; 306. a servo motor A; 307. a roller; 308. a cooperating belt; 309. a support plate; 4. a secondary decomposition mechanism; 401. a metal strut; 402. a reinforcing plate C; 403. a crushing box B; 404. a transmission rod A; 405. a metal drum; 406. alloy teeth; 407. a reinforcing plate D; 408. a metal rod A; 409. a lantern ring is externally connected; 410. a servo motor B; 5. a dust adsorption mechanism; 501. a hollow sleeve; 502. an inner connecting ring; 503. a metal rod B; 504. locking the lantern ring; 505. a servo motor C; 506. a transmission rod B; 507. a fan; 508. a U-shaped pipe; 509. an air outlet pipe; 6. a funnel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a coal mine crushing system for coal mine crushing, comprising: the device comprises an assembly bottom plate 1, wherein a plurality of mechanisms on the assembly bottom plate 1 participate in completing corresponding processing operations, the top of the assembly bottom plate 1 is fixedly provided with a stamping and crushing mechanism 2 and a secondary decomposition mechanism 4 respectively, the front surface of the secondary decomposition mechanism 4 is fixedly provided with a material conveying mechanism 3, and the rear surface of the secondary decomposition mechanism 4 is fixedly provided with a dust adsorption mechanism 5;

the stamping and crushing mechanism 2 comprises a reinforcing plate A201, a metal supporting plate 202 is welded at the top of the reinforcing plate A201, a crushing box A203 is fixedly installed at the top of the metal supporting plate 202, a U-shaped metal frame 204 is fixedly installed between two sides of the outer wall of the metal supporting plate 202, a connecting sleeve 206 is fixedly installed at the top of the U-shaped metal frame 204, a pneumatic assembly 207 is fixedly inserted into the inner surface wall of the connecting sleeve 206, a metal baffle 208 is fixedly sleeved at the output end of the pneumatic assembly 207, and a plurality of alloy pressing buckles 209 are arranged at the bottom of the metal baffle 208;

the secondary decomposition mechanism 4 comprises a plurality of metal supporting rods 401, reinforcing plates C402 are fixedly sleeved between outer walls of the metal supporting rods 401, a crushing box B403 is fixedly installed at the top of the reinforcing plates C402, two transmission rods A404 are movably inserted between two sides of the inner portion of the crushing box B403, metal rollers 405 are fixedly sleeved on the outer walls of the two transmission rods A404, a group of alloy teeth 406 are welded on the outer walls of the two metal rollers 405, after the primarily processed coal blocks enter the crushing box B403, a driving part in the mechanism is started, the two metal rollers 405 are enabled to rotate towards the opposite side, the coal blocks are continuously moved between the two metal rollers 405, the volume of the coal blocks is fully cut through the alloy teeth 406 on the metal rollers 405, meanwhile, the outer walls of the coal blocks are extruded in the falling process, and finally the coal blocks with proper volume are formed.

According to fig. 3, a squeezing plate 205 is fixedly installed at the bottom of the inner wall of the crushing box a203, a connecting plate 213 is arranged at an opening of the crushing box a203, an L-shaped frame a210 is fixedly installed on the front surface of the crushing box a203, a mounting groove is formed in the front surface of the crushing box a203, a movable plate 212 is movably arranged in the mounting groove, an electric telescopic rod 211 is fixedly inserted in the L-shaped frame a210, an output end of the electric telescopic rod 211 is fixedly inserted in the movable plate 212, after large-size coal is crushed into a plurality of coal blocks, the electric telescopic rod 211 is started to drive the movable plate 212 to move in the crushing box a203, and a plurality of coal blocks are pushed and continuously moved to the material conveying mechanism 3 from the squeezing plate 205, so that the coal blocks are prevented from being retained in the crushing box a 203.

According to the figure 9, one end of the outer wall of each of the two transmission rods A404 penetrates through one side of the outer wall of the crushing box B403, one side of the outer wall of the crushing box B403 is fixedly provided with two reinforcing plates D407 through two groups of screws A, a group of metal rods A408 are fixedly inserted into the two reinforcing plates D407, external lantern rings 409 are fixedly sleeved between the outer walls of the two groups of metal rods A408, servo motors B410 are fixedly inserted into the inner walls of the two external lantern rings 409, the output ends of the two servo motors B410 are respectively connected with one end of the outer wall of the transmission rod A404, power can be provided for the metal roller 405 through the installation of the servo motors B410, conditions are provided for extrusion and cutting of coal blocks, and the device has the capacity of secondary treatment.

According to fig. 4, the material conveying mechanism 3 comprises two reinforcing plates B301, the two reinforcing plates B301 are fixedly installed on the front surface of a crushing box B403 through two sets of screws B, supporting plates 309 are welded on the outer surface walls of the two reinforcing plates B301, a set of linkage rods 302 are movably inserted between the opposite sides of the two supporting plates 309, the connecting strength between the supporting plates 309 and metal supporting rods 401 is improved through the arrangement of the reinforcing plates B301, and the mechanism is prevented from reaching the bearing limit of the supporting plates 309 and breaking between structures when working.

According to fig. 8, one end of the outer wall of each group of linkage rods 302 penetrates through the outer surface wall of one of the support plates 309, one end of the outer wall of each support plate 309 is fixedly provided with a roller 307, a cooperative belt 308 is movably sleeved between the inner surface walls of the group of rollers 307, and by arranging the cooperative belt 308, after one of the rollers 307 obtains power, the plurality of rollers 307 can synchronously rotate through the transmission of the power by the cooperative belt 308.

According to the illustration of fig. 4, the roller rods 303 are fixedly sleeved on the outer surface walls of a group of linkage rods 302, the conveyor belt 304 is movably sleeved between the outer surface walls of a group of roller rods 303, the L-shaped frame B305 is welded on one side of the outer wall of one of the two support plates 309, the servo motor a306 is fixedly inserted in the L-shaped frame B305, the output end of the servo motor a306 is connected with one end of the outer wall of one of the linkage rods 302, and when the roller rods 303 obtain power, the conveyor belt 304 on the roller rods starts to rotate and provides necessary conditions for conveying coal briquettes.

According to fig. 6, the dust adsorbing mechanism 5 includes two hollow sleeves 501, outer surface walls of the two hollow sleeves 501 are fixedly inserted into a rear surface of the crushing box B403, inner surface walls of the two hollow sleeves 501 are fixedly provided with inner rings 502, inner surface walls of the two inner rings 502 are fixedly inserted with a group of metal rods B503, a locking collar 504 is fixedly sleeved between outer surface walls of the two groups of metal rods B503, a supporting condition is provided for the servo motor C505 by the locking collar 504, and the stability of the servo motor C505 during operation is effectively improved.

According to the illustration in fig. 6, servo motors C505 are fixedly inserted into the inner surface walls of the two locking collars 504, transmission rods B506 are fixedly installed at the output ends of the two servo motors C505, fans 507 are fixedly sleeved on the outer surface walls of the two transmission rods B506, the fans 507 are arranged, the fans 507 are driven to rotate at a high speed in the hollow sleeve 501 after the servo motors C505 are started, and the air flow in the crushing box B403 is driven to continuously enter the hollow sleeve 501 due to the adsorption effect generated behind the fans 507.

According to the illustration in fig. 6, a U-shaped pipe 508 is fixedly communicated between the rear surfaces of the two hollow sleeves 501, an air outlet pipe 509 is fixedly communicated with the outer wall of the U-shaped pipe 508, a cloth bag is installed at the position of the air outlet pipe 509, air doped with dust is conveyed through the U-shaped pipe 508 and then enters the cloth bag from the position of the air outlet pipe 509, airflow generated in the air outlet pipe 509 can run off from structural gaps of the cloth bag, and dust particles with large volume are stored in the cloth bag.

According to the illustration in fig. 1, the reinforcing plate a201 is fixedly installed on the top of the assembly bottom plate 1 through a set of screws C, the bottoms of a set of metal struts 401 are fixedly inserted on the top of the assembly bottom plate 1, and the funnel 6 is welded on the bottom of the crushing box B403 to determine the connection relationship between the reinforcing plate a201 and the crushing box B403 and the whole device.

The effect that its whole mechanism reaches does: firstly, moving the device to a designated working area, enabling the bottom of the assembly bottom plate 1 to be fully contacted with the ground, after collected coal is placed in a crushing box A203, starting a pneumatic assembly 207 in a connecting sleeve 206 to drive a metal baffle plate 208 to continuously impact the surface of the coal, reducing the stressed area of the surface of the coal under the action of an alloy pressing buckle 209, quickly crushing the coal into a plurality of block surfaces, further starting an electric telescopic rod 211 to drive a movable plate 212 to move in the crushing box A203 and push the coal blocks to fall onto a conveyor belt 304 from a position of a pressing plate 205, starting a servo motor A306 in an L-shaped frame B305 to drive one linkage rod 302 to rotate, enabling the rotation rates of a plurality of roller rods 303 to be equal under the action of a cooperative belt 308, providing conveying power for the conveyor belt 304, finally conveying the coal blocks into a crushing box B403 and contacting with two metal rollers 405, at this time, the servo motors B410 in the external collar 409 are started, so that the rotation directions of the two servo motors B410 are opposite, in the process, the transport vehicle is moved to the bottom of the hopper 6, and a plurality of coal blocks are cut by the alloy teeth 406 and extruded by the metal rollers 405, and then fall into a loading bin of the transport vehicle from the discharge position of the hopper 6.

The invention also provides a coal mine crushing process, which comprises the following steps:

the method comprises the following steps: after moving the device to appointed work area, carry the kibbling coal mine stone of needs to between stripper plate 205 and the metal baffle 208, start pneumatic subassembly 207 and drive metal baffle 208 and make a round trip to strike the surface of coal ore, a plurality of alloy on the metal baffle 208 press the surface contact of detaining 209 continuous and coal ore this moment, because every alloy press the volume of detaining 209 less, and then make the impact effect that the alloy press detained 209 surface production bigger, after the pressure that the alloy pressed the knot 209 department produced surpassed the scope of bearing of coal ore, can be fast with the great coal ore of volume breakage into a plurality of parts.

Step two: after the coal mine stone is crushed, the electric telescopic rod 211 is started to drive the movable plate 212 to move in the crushing box A203, and a plurality of coal blocks are pushed to fall on the surface of the conveyor belt 304 from the connecting plate 213.

Step three: the servo motor a306 is started to enable one linkage rod 302 to obtain the rotating power, at this time, one roller 307 is driven to rotate, and under the pulling action of the cooperation belt 308, the linkage rods 302 are enabled to rotate synchronously.

Step four: because the roller rod 303 and the linkage rod 302 are fixedly connected, the roller rod 303 drives the surface-mounted conveyor belt 304 according to the rotation direction of the linkage rod 302, so that the coal blocks falling onto the conveyor belt 304 continuously move towards the feeding position of the crushing box B403.

Step five: the two servo motors B410 are started, the rotating directions of the two servo motors B410 are opposite, the two metal rollers 405 on the transmission rod A404 are driven to rotate towards the direction of the discharging end of the crushing box B403, and a squeezing trend is formed between the two metal rollers 405.

Step six: the coal blocks are conveyed continuously by the conveyor belt 304 and finally enter the crushing box B403, and are in contact with the surface of the metal roller 405, the multiple coal blocks are further cut through the alloy teeth 406 on the metal roller 405, and the single coal blocks are gradually decomposed into multiple volumes which can be used by combustion equipment.

Step seven: by now moving the transport vehicle to the bottom of the crushing box B403 and aligning the bin with the discharge end of the hopper 6, the fully processed coal will continue to fall from the bottom of the hopper 6 into the car bin.

A coal mine crushing process has the following improvement that when a secondary decomposition mechanism 4 is used for treating coal blocks, a large amount of dust is generated in a crushing box B403, a cloth bag is arranged at the air outlet end of an air outlet pipe 509, a servo motor C505 in a locking sleeve ring 504 is started to drive a fan 507 to rotate at a high speed, air doped with the dust in the crushing box B403 is quickly adsorbed, mixed air flow is conveyed by the fan 507, and finally the air doped with the dust enters the cloth bag.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A coal mine crushing system for coal mine crushing, comprising: the assembly device comprises an assembly bottom plate (1), wherein the top of the assembly bottom plate (1) is respectively and fixedly provided with a stamping and crushing mechanism (2) and a secondary decomposition mechanism (4), the front surface of the secondary decomposition mechanism (4) is fixedly provided with a material conveying mechanism (3), and the rear surface of the secondary decomposition mechanism (4) is fixedly provided with a dust adsorption mechanism (5);

the stamping and crushing mechanism (2) comprises a reinforcing plate A (201), the reinforcing plate A (201) is fixedly installed at the top of the assembly base plate (1) through a group of screws C, a metal support plate (202) is welded at the top of the reinforcing plate A (201), a crushing box A (203) is fixedly installed at the top of the metal support plate (202), a U-shaped metal frame (204) is fixedly installed between two sides of the outer wall of the metal support plate (202), a connecting sleeve (206) is fixedly installed at the top of the U-shaped metal frame (204), a pneumatic assembly (207) is fixedly inserted into the inner surface wall of the connecting sleeve (206), a metal baffle (208) is fixedly sleeved at the output end of the pneumatic assembly (207), and a plurality of alloy pressing buckles (209) are arranged at the bottom of the metal baffle (208);

second grade decomposition mechanism (4) are including a plurality of metal branch (401), and are a set of the bottom of metal branch (401) is all fixed to be inserted and is established the top of mounting plate (1), and is a plurality of fixed cover is equipped with reinforcing plate C (402) between the outward appearance wall of metal branch (401), the top fixed mounting of reinforcing plate C (402) has broken case B (403), the bottom welding of broken case B (403) has funnel (6), the activity is inserted between the inside both sides of broken case B (403) and is equipped with two transfer lines A (404), two the outward appearance wall of transfer line A (404) is all fixed the cover and is equipped with metal drum (405), two the outward appearance wall of metal drum (405) all welds and has a set of alloy tooth (406).

2. A coal mine crushing system for coal mine crushing according to claim 1 wherein: the utility model discloses a crushing box, including crushing box A (203), inner wall bottom fixed mounting of crushing box A (203) has stripper plate (205), the opening part of crushing box A (203) is provided with linkage plate (213), the positive fixed surface of crushing box A (203) installs L type frame A (210), the mounting groove has been seted up on the positive surface of crushing box A (203), and the inside activity of mounting groove is provided with fly leaf (212), the inside of L type frame A (210) is fixed to be inserted and is equipped with electric telescopic handle (211), the fixed inside of inserting of establishing fly leaf (212) of output of electric telescopic handle (211).

3. A coal mine crushing system for coal mine crushing according to claim 1 wherein: two the outer wall one side of broken case B (403) is all run through to the outer wall one end of transfer line A (404), there are two reinforcing plates D (407) one side of the outer wall of broken case B (403) through two sets of screw A fixed mounting, two the inside of reinforcing plate D (407) is all fixed to be inserted and is equipped with a set of metal pole A (408), and is two it is equipped with external lantern ring (409), two all to fix the cover between the exterior wall of metal pole A (408) the interior table wall of external lantern ring (409) is all fixed to be inserted and is equipped with servo motor B (410), two the output of servo motor B (410) is connected with the outer wall one end of transfer line A (404) respectively.

4. A coal mine crushing system for coal mine crushing according to claim 1 wherein: the material conveying mechanism (3) comprises two reinforcing plates B (301), wherein the reinforcing plates B (301) are fixedly installed on the front surface of the crushing box B (403) through two sets of screws B, supporting plates (309) are welded on the outer surface walls of the reinforcing plates B (301), and a set of linkage rods (302) are movably inserted between the opposite sides of the supporting plates (309).

5. A coal mine crushing system for coal mine crushing according to claim 4 wherein: one end of the outer wall of the linkage rod (302) penetrates through the outer wall of one support plate (309), one end of the outer wall of each support plate (309) is fixedly provided with a roller (307), and a cooperative belt (308) is movably sleeved between the inner walls of the rollers (307).

6. A coal mine crushing system for coal mine crushing according to claim 5 wherein: it is a set of the equal fixed cover of outward appearance wall of gangbar (302) is equipped with roller pole (303), and is a set of the activity cover is equipped with conveyer belt (304), two between the outward appearance wall of roller pole (303) the outer wall one side welding of backup pad (309) one of them has L type frame B (305), the inside fixed insertion of L type frame B (305) is equipped with servo motor A (306), the output of servo motor A (306) and the outer wall one end of one of them gangbar (302) are connected.

7. A coal mine crushing system for coal mine crushing according to claim 1 wherein: the dust adsorption mechanism (5) comprises two hollow sleeves (501), the outer walls of the two hollow sleeves (501) are fixedly inserted into the rear surface of the crushing box B (403), the inner walls of the two hollow sleeves (501) are fixedly provided with inner rings (502), the inner walls of the inner rings (502) are fixedly inserted with a group of metal rods B (503), and a locking sleeve ring (504) is fixedly sleeved between the outer walls of the two metal rods B (503).

8. A coal mine crushing system for coal mine crushing according to claim 7 wherein: the inner surface wall of the two locking lantern rings (504) is fixedly inserted with a servo motor C (505), the output end of the servo motor C (505) is fixedly provided with a transmission rod B (506), and the outer surface wall of the transmission rod B (506) is fixedly sleeved with a fan (507).

9. A coal mine crushing system for coal mine crushing according to claim 7 wherein: a U-shaped pipe (508) is fixedly communicated between the rear surfaces of the two hollow sleeves (501), and an air outlet pipe (509) is fixedly communicated with the outer surface wall of the U-shaped pipe (508).

10. A coal mine crushing process is characterized in that: a coal mine crushing system using a coal mine crushing according to any one of claims 1 to 9 comprising the steps of:

s1: after the device is moved to a designated working area, coal mine stones to be crushed are conveyed between an extrusion plate (205) and a metal baffle plate (208), a pneumatic assembly (207) is started to drive the metal baffle plate (208) to impact the surface of the coal ores back and forth, at the moment, a plurality of alloy pressing buckles (209) on the metal baffle plate (208) are continuously contacted with the surface of the coal ores, and due to the fact that the volume of each alloy pressing buckle (209) is small, the impact effect generated on the surface of each alloy pressing buckle (209) is larger, and after the pressure generated at the alloy pressing buckles (209) exceeds the bearing range of the coal ores, the coal ores with larger volume can be quickly crushed into a plurality of parts;

s2: after the coal mine stone is crushed, starting an electric telescopic rod (211) to drive a movable plate (212) to move in a crushing box A (203), and pushing a plurality of coal blocks to fall on the surface of a conveyor belt (304) from a connecting plate (213);

s3: starting a servo motor A (306) to enable one linkage rod (302) to obtain rotating power, driving a roller (307) to rotate at the moment, and enabling a plurality of linkage rods (302) to synchronously rotate under the traction action of a cooperation belt (308);

s4: the roller rod (303) and the linkage rod (302) are fixedly connected, so that the roller rod (303) drives the conveyor belt (304) with the surface mounted according to the rotation direction of the linkage rod (302), and the coal blocks falling onto the conveyor belt (304) continuously move towards the feeding position of the crushing box B (403);

s5: starting the two servo motors B (410), enabling the rotation directions of the two servo motors B (410) to be opposite, and driving the two metal rollers (405) on the transmission rod A (404) to rotate towards the direction of the discharging end of the crushing box B (403), so that an extrusion trend is formed between the two metal rollers (405);

s6: under the continuous conveying of the conveyor belt (304), the coal blocks finally enter the crushing box B (403) and are in contact with the surface of the metal roller (405), and the multiple coal blocks are further cut through the alloy teeth (406) on the metal roller (405), so that the single coal blocks are gradually decomposed into multiple volumes which can be used by combustion equipment;

s7: at this point the transport vehicle is moved to the bottom of the crushing box B (403) and the bin is aligned with the discharge end of the hopper (6) and the fully processed coal pieces will continue to fall from the bottom of the hopper (6) into the car bin.