CN113617436A

CN113617436A - Novel coal is broken device with sampling function

Info

Publication number: CN113617436A
Application number: CN202110855981.8A
Authority: CN
Inventors: 范天昊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-11-09

Abstract

The invention provides a novel coal crushing device with a sampling function, which relates to the technical field of coal crushing and comprises a box body, a feeding box, a crushing chamber, an adjusting component and a sampling component, wherein a collecting chamber is arranged inside the box body, a discharging pipe is fixedly connected to the bottom of the box body, a placing chamber is arranged inside the box body, the crushing chamber is arranged on one side of the placing chamber, a turbine is fixedly arranged inside the crushing chamber, two crushing wheels are fixedly arranged inside the crushing chamber, a control panel is fixedly arranged on the front surface of the box body, the adjusting component is arranged on one side of the discharging pipe and used for adjusting the size of a dropping opening of the discharging pipe, the sampling component is arranged on the other side of the discharging pipe and used for collecting crushed coal in the discharging pipe, the size of the dropped coal can be adjusted and the opening and closing of the discharging pipe can be controlled through the matching use of a driving motor, an adjusting disc and a through hole, and the rotating disc are arranged on the discharging pipe, and the discharging pipe is arranged on the discharging pipe through the rotating motor, the rotating wheel, The sampling plate, the scraper and the sampling box are matched for use, so that the device has a sampling function.

Description

Novel coal is broken device with sampling function

Technical Field

The invention relates to the technical field of coal crushing, in particular to a novel coal crushing device with a sampling function.

Background

With the accelerated development of life of people, the demand for required resources is increasing, and the demand for coal, which is one of industrial resources, is increasing, the coal industry is rapidly developed, and then the development of coal machinery is rapidly developed.

When the coal is collected, the collected raw coal is different in size and cannot be directly used, the collected coal needs to be crushed, the raw coal is crushed into the coal with the size which is not very different, the quality of the crushing work determines the remaining reprocessing link and the efficient utilization effect, and the quality of the performance of the crushing device directly determines the material crushing effect.

And current coal breaker generally all extrudees the breakage through two cylinders to coal or beats the breakage through the pendulum, wherein when extrudeing the breakage through the cylinder to coal, the coal size after the breakage is different, make the coal after the breakage still need artifical fortune to filter once more toward the sieve separator, will accord with follow-up machining dimension's coal and filter, waste time and energy, and the cylinder is when carrying out the breakage to coal, if add raw coal quantity too big, cause the cylinder card to die easily, influence crushing efficiency.

The existing coal crushing device does not have a sampling function, so that when coal after crushing is sampled, workers generally sample the coal after crushing near a machine, the sampling difficulty is high, manpower is consumed, and safety accidents easily occur when the machine is used for collecting.

Disclosure of Invention

The invention aims to solve the defects in the background art, and provides a novel coal crushing device with a sampling function.

In order to achieve the purpose, the invention provides the following technical scheme that the novel coal crushing device with the sampling function comprises a box body, a feeding box, a crushing chamber, an adjusting assembly and a sampling assembly;

a collecting chamber is arranged in the box body, a discharging pipe is fixedly connected to the bottom of the box body, a placing chamber is arranged in the box body, a crushing chamber is arranged on one side of the placing chamber, a turbine is fixedly arranged in the crushing chamber, two crushing wheels are fixedly arranged in the crushing chamber, and a control panel is fixedly arranged on the front surface of the box body;

one side of the discharge pipe is provided with an adjusting component for adjusting the size of a dropping port of the discharge pipe;

and a sampling assembly is arranged on the other side of the discharge pipe and used for collecting the crushed coal in the discharge pipe.

Further, the adjusting part includes driving motor and adjustment disk, the adjustment tank has been seted up to discharging pipe one side, just the adjustment tank switches on mutually with the discharging pipe, the inside adjustment disk that is provided with of adjustment tank, the adjustment disk bottom is provided with driving motor, driving motor and control panel electric connection, three through-hole has been seted up on the adjustment disk surface, and is three the through-hole aperture is not of uniform size, the through-hole top all is provided with the chamfer with the bottom.

Further, the sampling subassembly includes the rotating electrical machines, rotates wheel and sampling board, the sampling groove has been seted up to discharging pipe one side, and the sampling groove switches on with the discharging pipe mutually, the inside rotation wheel that is provided with of sampling groove, it is provided with the rotating electrical machines to rotate the wheel bottom, just rotating electrical machines and control panel electric connection, rotate the sampling board of the fan-shaped structure of wheel one side fixedly connected with.

Further, the sampling groove switches on with the collection room mutually, fixedly connected with scraper blade on the inner wall of collection room one side, just the scraper blade is located the sampling groove top, the collection room bottom is provided with the sampling case.

Furthermore, box one side is provided with open feeding case, the feed port has been seted up between feeding case and the placing chamber, the box openly is connected with the chamber door through the hinge rotation.

Further, the inside servo motor that is provided with of box, servo motor and control panel electric connection, servo motor one side drive is connected with the worm, inside worm one end runs through broken room and inserts the placing chamber, the worm outside is provided with the cylinder, just the cylinder is located the placing chamber, the fluting has been seted up on the cylinder surface, the inside sliding connection of fluting has the carriage release lever.

Further, a telescopic groove is formed in the bottom of the moving rod, a spring is arranged in the telescopic groove, a telescopic rod is fixedly connected to the bottom of the spring, a telescopic plate is fixedly connected to the bottom of the telescopic rod, blocks are embedded into the two sides of the telescopic plate, an annular groove is formed in the inner wall of the placing chamber, the embedded blocks are located in the annular groove, and a blanking hole is formed between the placing chamber and the crushing chamber.

Furthermore, the front face of the turbine is fixedly connected with a rotating column, the front face of the turbine is provided with a moving block, the front face of the moving block is provided with a moving groove matched with the rotating column, the bottom of the moving block is fixedly connected with a fixed rod, and the bottom of the fixed rod is fixedly connected with a pressing plate.

Furthermore, crushing wheel back fixedly connected with head rod, the one end that crushing wheel was kept away from to the head rod is provided with from the driving wheel, turbine back fixedly connected with second connecting rod, the one end that the turbine was kept away from to the second connecting rod is provided with the action wheel, just the action wheel and from being provided with the track between the driving wheel.

The invention provides a novel coal crushing device with a sampling function, which has the following beneficial effects:

1. the coal discharging pipe adjusting device has the advantages that when the size of falling coal needs to be adjusted, the through hole is overlapped with the discharging pipe through the control panel, the driving motor, the adjusting disc, the through hole and the discharging pipe, so that the broken coal can fall through the through hole, meanwhile, the size of the falling coal can be adjusted through the through holes with different sizes, the broken coal does not need to be screened repeatedly, the working cost is saved, and meanwhile, the opening and closing of the discharging pipe can be controlled through the adjusting disc.

2. Secondly, when needs are sampled, through control panel, rotating electrical machines, rotation wheel and sampling board for coal after the breakage can drop on the sampling board, then scrape the collecting box through the coal on the sampling board in, accomplish the sampling to coal, need not the staff and samples when the machine operation, guarantee staff's life safety, only need the staff to take away sampling box after the sampling simultaneously, convenient and fast.

3. Then, when coal entered into the placing chamber, through control panel, servo motor, the worm, the cylinder, the fluting, carriage release lever and telescopic link, make the telescopic link drive the expansion plate and remove, make the expansion plate push away the coal in the placing chamber to the feed opening, then through inlaying the piece, the annular groove, flexible groove and spring, make the expansion plate can not push back the coal in the placing chamber, make the coal in the placing chamber to the broken chamber of pushing in batches, prevent that the coal in the broken chamber is too much, lead to broken wheel to be difficult to carry out the breakage to the coal, improve crushing efficiency.

4. Moreover, when the worm rotated, through turbine, rotation post, movable block, shifting chute, dead lever and press the pressing plate for the pressing plate presses the coal in the crushing chamber to broken wheel for the broken rate of coal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a side sectional view of the overall structure of the present invention.

Fig. 4 is a schematic view of the structure of the adjusting disk of the invention.

FIG. 5 is a schematic view of the structure of the sampling plate of the present invention.

Fig. 6 is a schematic diagram of a telescopic plate structure according to the present invention.

Fig. 7 is a schematic view of the turbine structure of the present invention.

Fig. 8 is an enlarged view of the invention at a in fig. 2.

Fig. 9 is an enlarged view of the invention at B in fig. 2.

Fig. 10 is an enlarged view of the invention at C in fig. 2.

In FIGS. 1-10: 1. a box body; 101. a control panel; 102. a box door; 103. a discharge pipe; 2. a feeding box; 201. a feed port; 3. a servo motor; 301. a worm; 4. a drum; 401. grooving; 402. a travel bar; 403. a spring; 404. a telescopic rod; 405. a retractable plate; 406. embedding a block; 5. a placing chamber; 501. an annular groove; 502. a blanking hole; 6. a crushing chamber; 7. a turbine; 701. rotating the column; 702. a moving block; 703. fixing the rod; 704. a pressing plate; 8. a crushing wheel; 801. a first connecting rod; 802. a driven wheel; 803. a driving wheel; 804. a second connecting rod; 9. a drive motor; 901. an adjusting disk; 10. a rotating electric machine; 11. a rotating wheel; 12. a sampling plate; 13. a squeegee; 14. sampling box.

Detailed Description

Example (b):

referring to FIGS. 1-10 of the drawings,

the novel coal crushing device with the sampling function provided by the embodiment comprises a box body 1, a feeding box 2, a crushing chamber 6, an adjusting assembly and a sampling assembly;

a collecting chamber is arranged in the box body 1, a discharge pipe 103 is fixedly connected to the bottom of the box body 1, a placing chamber 5 is arranged in the box body 1, a crushing chamber 6 is arranged on one side of the placing chamber 5, a turbine 7 is fixedly arranged in the crushing chamber 6, two crushing wheels 8 are fixedly arranged in the crushing chamber 6, and a control panel 101 is fixedly arranged on the front surface of the box body 1;

one side of the discharge pipe 103 is provided with an adjusting component for adjusting the size of a dropping port of the discharge pipe 103;

the other side of the discharge pipe 103 is provided with a sampling assembly for collecting crushed coal in the discharge pipe 103.

The crushing wheel 8 is made of a titanium alloy material, and the titanium alloy material has the characteristics of high strength and good corrosion resistance, so that when the crushing wheel 8 is used for crushing coal, the crushing wheel can resist the corrosion of various impurities in the coal, the service life of the crushing wheel 8 is prolonged, and the crushing wheel has the characteristics of high strength, can bear the reaction force during crushing, and avoids the crushing wheel 8 from being damaged during crushing the coal;

meanwhile, the crushing wheel 8 can also be made of stainless steel materials, alloy steel also has good mechanical strength and corrosion resistance, the crushing wheel 8 is made of materials with high strength and corrosion resistance preferentially selected, the stainless steel materials and the titanium alloy materials also meet requirements, but the strength of the stainless steel materials is lower than that of the titanium alloy materials, so that the stainless steel materials are easy to damage when the coal is crushed for a long time, the crushing effect is reduced, the crushing wheel 8 needs to be replaced, and therefore the titanium alloy materials are selected as the materials for making the crushing wheel 8.

Further, the adjusting assembly comprises a driving motor 9 and an adjusting disc 901, an adjusting groove is formed in one side of the discharging pipe 103 and communicated with the discharging pipe 103, the adjusting disc 901 is arranged inside the adjusting groove, the driving motor 9 is arranged at the bottom of the adjusting disc 901, the driving motor 9 is electrically connected with the control panel 101, three through holes are formed in the surface of the adjusting disc 901, the hole diameters of the three through holes are different, chamfers are arranged at the top and the bottom of each through hole, when the size of coal falling from the discharging pipe 103 needs to be adjusted, the driving motor 9 is started through the control panel 101, the driving motor 9 drives the adjusting disc 901 to rotate, the through holes in the adjusting disc 901 are rotated into the discharging pipe 103, the through holes are overlapped with the discharging pipe 103, the crushed coal falls through the through holes, the size of the falling coal is limited through the through holes with different hole diameters, and the coal larger than the size of the through holes continues to be crushed in the crushing chamber 6, until can drop through the through-hole, make the coal size that drops differ not greatly, so that subsequent processing rotates through driving motor 9 drive adjustment disk 901 simultaneously, makes the through-hole stagger with discharging pipe 103, makes adjustment disk 901 block up discharging pipe 103, and then realizes opening and close discharging pipe 103.

Further, the sampling assembly comprises a rotating motor 10, a rotating wheel 11 and a sampling plate 12, one side of the discharge pipe 103 is provided with a sampling groove, the sampling groove is communicated with the discharge pipe, a rotating wheel 11 is arranged in the sampling groove, a rotating motor 10 is arranged at the bottom of the rotating wheel 11, the rotating motor 10 is electrically connected with the control panel 101, one side of the rotating wheel 11 is fixedly connected with a sector-shaped sampling plate 12, when the crushed coal needs to be sampled, the control panel 101 starts the rotating motor 10, so that the rotating motor 10 drives the rotating wheel 11 to rotate, further driving the sampling plate 12 to rotate in the sampling groove, so that the sampling plate 12 rotates into the discharging pipe 103, the coal in the discharging pipe 103 falls onto the sampling plate 12, sampling is carried out to the coal after the breakage, makes things convenient for the staff to sample, then continues to rotate and rotates wheel 11 for sampling plate 12 rotates to the collection from discharging pipe 103 indoor.

Further, the sampling groove switches on with the collection room mutually, fixedly connected with scraper blade 13 on the inner wall of collection room one side, and scraper blade 13 is located the sampling groove top, and the collection room bottom is provided with sampling box 14, then sampling plate 12 when removing in the collection room, scrapes down through scraper blade 13 the coal on sampling plate 12, scrapes the coal and collects in sampling box 14, then rotates through the hinge and connects and open chamber door 102, will collect indoor sampling box 14 and take out.

Further, 1 one side of box is provided with open feeding case 2, has seted up feed port 201 between feeding case 2 and the placing chamber 5, and box 1 openly is connected with chamber door 102 through hinge rotation, pours into the uncovered broken coal that will need through 2 tops of feeding case, then the coal in feed box 2 drops through feed port 201 in the placing chamber 5.

Further, 1 inside servo motor 3 that is provided with of box, servo motor 3 and control panel 101 electric connection, the drive of 3 one sides of servo motor is connected with worm 301, worm 301 one end runs through inside crushing room 6 inserts placing chamber 5, the worm 301 outside is provided with cylinder 4, and cylinder 4 is located placing chamber 5, fluting 401 has been seted up on 4 surfaces of cylinder, the inside sliding connection of fluting 401 has carriage release lever 402, when coal enters into placing chamber 5 in, start servo motor 3 through control panel 101, make servo motor 3 drive worm 301 rotate, make worm 301 drive cylinder 4 rotate, cylinder 4 drives carriage release lever 402 through fluting 401 and controls reciprocating motion simultaneously.

Further, a telescopic groove is formed in the bottom of the moving rod 402, a spring 403 is arranged in the telescopic groove, a telescopic rod 404 is fixedly connected to the bottom of the spring 403, a telescopic plate 405 is fixedly connected to the bottom of the telescopic rod 404, embedding blocks 406 are fixedly connected to two sides of the telescopic plate 405, an annular groove 501 is formed in the inner wall of the placing chamber 5, the embedding blocks 406 are located in the annular groove 501, a discharging hole 502 is formed between the placing chamber 5 and the crushing chamber 6, when the moving rod 402 moves, the moving rod 402 drives the telescopic plate 405 to move through the telescopic rod 404, so that the telescopic plate 405 pushes coal in the placing chamber 5 to the discharging hole 502 and drops to the crushing chamber through the discharging hole 502, when the telescopic plate 405 moves, the embedding blocks 406 slide in the annular groove 501, so that when the telescopic plate 405 moves to the leftmost side, the embedding blocks 406 are lifted through the annular groove 501, and then the telescopic plate 405 is lifted by the moving rod 402 and returned to the right side of the placing chamber 5, when the expansion plate 405 moves rightwards, coal in the placing chamber 5 cannot be pushed back, and when the expansion plate 405 is lifted, the spring 403 in the expansion groove is extruded to generate elastic deformation to generate elastic force, when the expansion plate 405 moves rightmost, the spring plate rebounds under the elastic force of the spring 403, the expansion plate 405 moves downwards and contacts with the inner wall of the placing chamber 5, meanwhile, the expansion plate 405 covers the feeding hole 201 when moving rightmost, coal in the feeding box 2 cannot enter the placing chamber 5, until the expansion plate 405 moves leftwards, the expansion plate 405 is separated from the feeding hole 201, the feeding hole 201 is opened, the coal in the placing chamber 5 is pushed to the crushing chambers 6 in batches, too much coal in the crushing chambers 6 is prevented, the crushing wheels 8 are difficult to crush the coal, and the crushing efficiency is improved.

Further, the front face of the turbine 7 is fixedly connected with a rotating column 701, the front face of the turbine 7 is provided with a moving block 702, the front face of the moving block 702 is provided with a moving groove matched with the rotating column 701, the bottom of the moving block 702 is fixedly connected with a fixing rod 703, the bottom of the fixing rod 703 is fixedly connected with a pressing plate 704, the worm 301 is meshed with the turbine 7, the worm 301 drives the turbine 7 to rotate while driving the roller 4 to rotate, the rotating column 701 on the turbine 7 rotates, the rotating column 701 drives the moving block 702 to perform vertical reciprocating motion through the moving groove, the pressing plate 704 is driven to perform vertical reciprocating motion through the fixing rod 703, coal in the crushing chamber 6 is pressed to the crushing wheel 8, and the crushing rate of the coal is increased.

Further, 8 back fixedly connected with head rod 801 of broken wheel, the one end that broken wheel 8 was kept away from to head rod 801 is provided with from driving

wheel

802, 7 back fixedly connected with second connecting rod 804 of turbine, the one end that turbine 7 was kept away from to second connecting rod 804 is provided with action wheel 803, and be provided with the track between action wheel 803 and the driven wheel 802, when turbine 7 rotates, turbine 7 drives action wheel 803 through second connecting rod 804 and rotates, then action wheel 803 drives from driving wheel 802 through the track and rotates, from driving wheel 802 again being connected with broken wheel 8 through head rod 801, make turbine 7 pivoted drive broken wheel 8 simultaneously and rotate, make servo motor 3 drive cylinder 4 through worm 301, turbine 7 and broken wheel 8 rotate in step, energy saving.

When the coal crushing device is used, when the coal needs to be crushed, the coal to be crushed is poured into the feeding box 2 through the opening at the top, then the coal in the feeding box 2 falls into the placing chamber 5 through the feeding hole 201, when the coal enters into the placing chamber 5, the servo motor 3 is started through the control panel 101, the servo motor 3 drives the worm 301 to rotate, the worm 301 drives the roller 4 to rotate, meanwhile, the roller 4 drives the moving rod 402 to reciprocate left and right through the slot 401, the moving rod 402 drives the expansion plate 405 to move through the expansion rod 404, the expansion plate 405 pushes the coal in the placing chamber 5 to the feeding hole 502 and falls into the crushing chamber through the feeding hole 502, and when the expansion plate 405 moves, the inlaid block 406 slides in the annular groove 501, so that when the expansion plate 405 moves to the leftmost side, the coal is lifted through the annular groove 501 and the inlaid block 406, then the expansion plate 405 is brought back to the right side of the placing chamber 5 by the moving rod 402 again, so that when the expansion plate 405 moves rightwards, the coal in the placing chamber 5 cannot be pushed back, and when the expansion plate 405 is lifted, the spring 403 in the expansion groove is extruded to generate elastic deformation to generate elastic force, so that when the expansion plate 405 moves rightmost, the expansion plate springs back under the elastic force of the spring 403, so that the expansion plate 405 moves downwards and contacts with the inner wall of the placing chamber 5, meanwhile, the expansion plate 405 covers the feeding hole 201 at the rightmost side, so that the coal in the feeding box 2 cannot enter the placing chamber 5, until the expansion plate 405 moves leftwards, the expansion plate 405 is separated from the feeding hole 201, so that the feeding hole 201 is opened, the coal in the placing chamber 5 is pushed to the crushing chamber 6 in batches, the coal in the crushing chamber 6 is prevented from being too much, the crushing wheel 8 is difficult to crush, and the crushing efficiency is improved, then the worm 301 is engaged with the worm wheel 7, so that the worm 301 drives the worm wheel 7 to rotate while driving the roller 4 to rotate, the rotating column 701 on the worm wheel 7 rotates, the rotating column 701 drives the moving block 702 to reciprocate up and down through the moving groove, and further drives the pressing plate 704 to reciprocate up and down through the fixing rod 703, coal in the crushing chamber 6 is pressed to the crushing wheel 8, the crushing rate of the coal is accelerated, when the worm wheel 7 rotates, the worm wheel 7 drives the driving wheel 803 to rotate through the second connecting rod 804, then the driving wheel 803 drives the driven wheel 802 to rotate through the crawler, the driven wheel 802 is connected with the crushing wheel 8 through the first connecting rod 801, so that the crushing wheel 8 is driven to rotate while the worm wheel 7 rotates, and the servo motor 3 drives the roller 4, the worm wheel 7 and the crushing wheel 8 to synchronously rotate through the worm 301, energy is saved, coal in the crushing chamber 6 is crushed by the crushing wheel 8, when the size of coal falling from the discharging pipe 103 needs to be adjusted, the driving motor 9 is started through the control panel 101, the driving motor 9 drives the adjusting disc 901 to rotate, the through hole on the adjusting disc 901 is rotated into the discharging pipe 103, the through hole is overlapped with the discharging pipe 103, the crushed coal falls through the through hole, meanwhile, the size of the falling coal is determined through the through holes with different aperture sizes, the coal larger than the size of the through hole is continuously crushed in the crushing chamber 6 until the coal can fall through the through hole, the size of the falling coal is not greatly different, subsequent treatment is facilitated, meanwhile, the adjusting disc 901 is driven to rotate by the driving motor 9, the through hole is staggered with the discharging pipe 103, the discharging pipe 103 is blocked by the adjusting disc 901, and opening and closing of the discharging pipe 103 are further realized, when the crushed coal needs to be sampled, the rotating motor 10 is started through the control panel 101, so that the rotating motor 10 drives the rotating wheel 11 to rotate, the sampling plate 12 is further driven to rotate in the sampling groove, the sampling plate 12 rotates into the discharge pipe 103, the coal in the discharge pipe 103 falls onto the sampling plate 12, the crushed coal is sampled to facilitate sampling of workers, then the rotating wheel 11 is continuously rotated, the sampling plate 12 rotates into the collecting chamber from the discharge pipe 103, then the sampling plate 12 moves into the collecting chamber, the coal on the sampling plate 12 is scraped off through the scraper 13, the coal is scraped into the sampling box 14 to be collected, then after the batch of coal is crushed, the servo motor 3 is closed, the box door 102 is opened through hinge rotation connection, the sampling box 14 in the collecting chamber is taken out, and the sampling of the coal is completed, after sampling is finished, the sampling box 14 is put back to the original position again, and the box door 102 is closed, so that safety accidents are easily caused when a crushing device breaks down during operation and workers are just near a machine, the size of coal efficiency and the opening and closing of the discharging pipe 103 can be controlled through the structure, and the crushed coal can be conveniently sampled.

Claims

1. A novel coal crushing device with a sampling function is characterized by comprising a box body, a feeding box, a crushing chamber, an adjusting assembly and a sampling assembly;

2. The novel coal crushing device with the sampling function as claimed in claim 1, wherein the adjusting component comprises a driving motor and an adjusting disc, an adjusting groove is formed in one side of the discharging pipe and is communicated with the discharging pipe, the adjusting disc is arranged inside the adjusting groove, the driving motor is arranged at the bottom of the adjusting disc and is electrically connected with a control panel, three through holes are formed in the surface of the adjusting disc, the aperture of the three through holes is different, and chamfers are arranged at the top and the bottom of the through holes.

3. The novel coal crushing device with the sampling function as claimed in claim 1, wherein the sampling assembly comprises a rotating motor, a rotating wheel and a sampling plate, a sampling groove is formed in one side of the discharge pipe and is communicated with the discharge pipe, the rotating wheel is arranged inside the sampling groove, the rotating motor is arranged at the bottom of the rotating wheel and is electrically connected with a control panel, and the sampling plate with a fan-shaped structure is fixedly connected to one side of the rotating wheel.

4. The novel coal crushing device with the sampling function as claimed in claim 1 or 3, wherein the sampling groove is communicated with the collection chamber, a scraper is fixedly connected to the inner wall of one side of the collection chamber and is positioned above the sampling groove, and a sampling box is arranged at the bottom of the collection chamber.

5. The novel coal crushing device with the sampling function as claimed in claim 1, wherein an open feeding box is arranged on one side of the box body, a feeding hole is formed between the feeding box and the placing chamber, and a box door is rotatably connected to the front surface of the box body through a hinge.

6. The novel coal crushing device with the sampling function as claimed in claim 1, wherein a servo motor is arranged inside the box body and electrically connected with the control panel, a worm is connected to one side of the servo motor in a driving manner, one end of the worm penetrates through the crushing chamber and is inserted into the placing chamber, a roller is arranged outside the worm and is located in the placing chamber, a groove is formed in the surface of the roller, and a moving rod is slidably connected inside the groove.

7. The novel coal crushing device with the sampling function as claimed in claim 6, wherein a telescopic groove is formed at the bottom of the moving rod, a spring is arranged in the telescopic groove, a telescopic rod is fixedly connected to the bottom of the spring, a telescopic plate is fixedly connected to the bottom of the telescopic rod, embedding blocks are fixedly connected to two sides of the telescopic plate, an annular groove is formed in the inner wall of the placing chamber, the embedding blocks are located in the annular groove, and a discharging hole is formed between the placing chamber and the crushing chamber.

8. The novel coal crushing device with the sampling function as claimed in claim 1, wherein a rotating column is fixedly connected to the front face of the turbine, a moving block is arranged on the front face of the turbine, a moving groove matched with the rotating column is formed in the front face of the moving block, a fixing rod is fixedly connected to the bottom of the moving block, and a pressing plate is fixedly connected to the bottom of the fixing rod.

9. The novel coal crushing device with the sampling function as claimed in claim 1, wherein a first connecting rod is fixedly connected to the back of the crushing wheel, a driven wheel is arranged at one end, away from the crushing wheel, of the first connecting rod, a second connecting rod is fixedly connected to the back of the turbine, a driving wheel is arranged at one end, away from the turbine, of the second connecting rod, and a crawler belt is arranged between the driving wheel and the driven wheel.