CN212855980U

CN212855980U - Coal mining reducing mechanism for coal mine

Info

Publication number: CN212855980U
Application number: CN202020753828.5U
Authority: CN
Inventors: 王伟; 张洪峰; 韩海洋; 王俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-04-02
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a reducing mechanism is used in coal mining relates to the colliery and smashes technical field, specifically is a reducing mechanism is used in coal mining, including the device base, the top of device base is provided with crushing casing, crushing casing's inner wall fixed mounting has the crushing spine of second, crushing casing's both sides fixed mounting has the fixed plate, the fixed cover in inside of fixed plate is equipped with the rotation axis. This reducing mechanism is used in coal mining in colliery, through the setting of the inside rotation axis of crushing casing, when using, utilize asynchronous machine to drive the rotation axis and rotate, can make outside crushing tup of live-rollers and the kibbling coal cinder of needs contact, the setting of the sharp thorn is smashed to the first crushing spine of crushing tup outer wall on the cooperation and crushing shells inner wall second, can increase the area of contact of coal cinder and the device, and then increased the crushing efficiency of device to the coal cinder, the lower problem of current device to coal cinder crushing efficiency has been solved.

Description

Coal mining reducing mechanism for coal mine

Technical Field

The utility model relates to a technical field is smashed in the colliery, specifically is a reducing mechanism for coal mining in colliery.

Background

Coal mines are areas where people mine coal resources in coal-rich mining areas and are used for mining coal, a crusher is generally needed to crush mined large coal mines in the coal mining process, and crushed coal slag can be collected for use.

The existing crusher is small in contact area with coal blocks due to the fact that the smooth inner wall of the existing crusher is arranged, and accordingly the crushing effect of the coal blocks is poor.

In addition, the pulverized coal cinder generally needs to be filtered, impurities which cannot be pulverized in the coal cinder, such as rocks, are screened out, the quality of the coal cinder is guaranteed, and the repeated screening operation on the pulverized coal cinder is not only labor-consuming, but also complex in operation.

Therefore, a crushing device for coal mining of a coal mine is developed and researched.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a reducing mechanism for coal mining in colliery has solved the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a reducing mechanism is used in coal mining in colliery, includes the device base, the top of device base is provided with crushing casing, the inner wall fixed mounting of crushing casing has the crushing spine of second, the both sides fixed mounting of crushing casing has the fixed plate, the fixed cover in inside of fixed plate is equipped with the rotation axis, the fixed cover in outside of rotation axis is equipped with the live-rollers, the tup is smashed to the outer wall fixedly connected with of live-rollers, the bottom fixedly connected with unloading chamber wall of crushing casing, the outer wall on unloading chamber wall is provided with the bin outlet, the inner wall fixed mounting on unloading chamber wall has the recess, the inside of recess is provided with vibrating motor, vibrating motor's top fixedly connected with sieve.

Optionally, the fixed cover in inside of fixed plate has connect fixing bearing, fixing bearing's the fixed cover in inside is equipped with the rotation axis, the fixed band pulley that has cup jointed of outer wall of rotation axis, and the fixed cover of outer wall of rotation axis is equipped with the live-rollers that are located the crushing shell inner chamber.

Optionally, the outer wall of the rotating roller is fixedly connected with a carrying rod, the outer end of the carrying rod is fixedly provided with a crushing hammer head, and the outer wall of the crushing hammer head is fixedly provided with five to ten first crushing spines.

Optionally, the outer wall movable sleeve of band pulley is equipped with the belt, the inner wall movable sleeve of belt is equipped with asynchronous machine's output, and asynchronous machine can drive the band pulley through the belt and rotate.

Optionally, a fixed chute is formed in the side wall of the inner cavity of the groove, an expansion spring is fixedly connected to the bottom surface of the inner cavity of the groove, a movable sliding plate is fixedly connected to the top end of the expansion spring, and sliding blocks matched with the fixed chute are arranged on two sides of the movable sliding plate.

Optionally, a rotating bearing is fixedly mounted on the inner wall of the feeding port, a speed reducing plate is fixedly sleeved on the outer portion of the rotating bearing, a return spring is fixedly connected to the inner wall of the feeding port, and the outer end of the return spring is fixedly connected to the bottom surface of the speed reducing plate.

Optionally, the bottom of the blanking cavity wall is provided with a coal cinder temporary storage box, the outer fixed mounting of the blanking cavity wall is provided with an impurity collecting box, and the impurity collecting box is arranged below the discharge port.

The utility model provides a reducing mechanism for coal mining in colliery possesses following beneficial effect:

1. this reducing mechanism is used in coal mining in colliery, through the setting of the inside rotation axis of crushing casing, when using, utilize asynchronous machine to drive the rotation axis and rotate, can make outside crushing tup of live-rollers and the kibbling coal cinder of needs contact, the setting of the sharp thorn is smashed to the first crushing spine of crushing tup outer wall on the cooperation and crushing shells inner wall second, can increase the area of contact of coal cinder and the device, and then increased the crushing efficiency of device to the coal cinder, the lower problem of current device to coal cinder crushing efficiency has been solved.

2. This reducing mechanism for coal mining in colliery smashes the back of accomplishing, and the cinder is automatic to drop on the sieve of unloading chamber wall inside, utilizes vibrating motor to drive the sieve and vibrates from top to bottom, screens the cinder after smashing, has solved the comparatively loaded down with trivial details problem of current device to the cinder screening process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1. a device base; 2. an impurity collecting box; 3. a coal cinder temporary storage box; 4. a discharge outlet; 5. pulverizing the shell; 6. a bearing rod; 7. a pulley; 8. crushing the hammer head; 9. a feed inlet; 10. a speed reduction plate; 11. a return spring; 12. a rotating roller; 13. fixing the bearing; 14. a rotating shaft; 15. first crushing sharp thorns; 16. second crushing sharp thorns; 17. a sieve plate; 18. a blanking cavity wall; 19. a belt; 20. an asynchronous motor; 21. a fixing plate; 22. a tension spring; 23. a vibration motor; 24. fixing the chute; 25. a groove; 26. a rotating bearing; 27. the slide plate is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a reducing mechanism for coal mining in colliery, includes device base 1, and the top of device base 1 is provided with crushing casing 5, and the inner wall fixed mounting of crushing casing 5 has the crushing spine 16 of second, and the both sides fixed mounting of crushing casing 5 has fixed plate 21, and the fixed cover in inside of fixed plate 21 is equipped with rotation axis 14, and the fixed cover in outside of rotation axis 14 is equipped with live-rollers 12, and the outer wall fixedly connected with of live-rollers 12 smashes tup 8.

Through the outside setting of accepting pole 6 and crushing tup 8 of live-rollers 12, can increase the device when smashing with the area of contact of coal cinder, smash the setting of spine 16 on the 5 inner walls of casing on the cooperation, can fully smash the coal cinder in the 5 inner chambers of crushing casing, increased the device to the crushing effect of coal cinder, solved the relatively poor problem of current device to the coal cinder crushing effect.

The bottom fixedly connected with unloading chamber wall 18 of crushing casing 5, the outer wall of unloading chamber wall 18 is provided with bin outlet 4, and the inner wall fixed mounting of unloading chamber wall 18 has recess 25, and the inside of recess 25 is provided with vibrating motor 23, vibrating motor 23's top fixedly connected with sieve 17.

Vibration about can driving sieve 17 when vibrating motor 23 during operation in unloading chamber wall 18 inside, reach the effect that carries out high-efficient screening to smashing the back coal cinder, in addition, the setting of the inside sieve 17 of unloading chamber wall 18 just screens automatically after the coal cinder is smashed, has simplified the screening operation to the cinder, has solved the too loaded down with trivial details problem of current device to cinder screening operation.

In this embodiment, the fixed bearing 13 is fixedly sleeved inside the fixed plate 21, the rotating shaft 14 is fixedly sleeved inside the fixed bearing 13, the belt wheel 7 is fixedly sleeved on the outer wall of the rotating shaft 14, and the rotating roller 12 located in the inner cavity of the crushing shell 5 is fixedly sleeved on the outer wall of the rotating shaft 14.

The fixed bearing 13 is provided to fixedly mount the rotary shaft 14 inside the fixed plate 21, and to support the rotary shaft 14 so as to ensure that the rotary shaft 14 rotates inside the mill housing 5.

In this embodiment, the receiving rod 6 is fixedly connected to the outer wall of the rotating roller 12, the crushing hammer 8 is fixedly mounted to the outer end of the receiving rod 6, and five to ten first crushing spikes 15 are fixedly mounted to the outer wall of the crushing hammer 8.

The contact area of the device and the coal briquette is further increased by the arrangement of a plurality of first crushing spines 15 on the outer wall of the crushing hammer head 8, the crushing effect on the coal briquette is increased to a certain extent, and the practicability of the device is increased.

In this embodiment, the outer wall movable sleeve of band pulley 7 is equipped with belt 19, and the inner wall movable sleeve of belt 19 is equipped with asynchronous motor 20's output, and asynchronous motor 20 can drive band pulley 7 through belt 19 and rotate.

The belt 19 and the belt wheel 7 are arranged, and the rotating shaft 14 can be driven to rotate by the asynchronous motor 20 through the belt 19 and the belt wheel 7, so that power is provided for the device to crush the coal blocks.

In this embodiment, a fixed chute 24 is opened on the side wall of the inner cavity of the groove 25, an extension spring 22 is fixedly connected to the bottom surface of the inner cavity of the groove 25, a movable sliding plate 27 is fixedly connected to the top end of the extension spring 22, and sliding blocks matched with the fixed chute 24 are arranged on two sides of the movable sliding plate 27.

When vibrating motor 23 work and drive sieve 17 and vibrate from top to bottom, the expanding spring 22 of vibrating motor 23 bottom also vibrates from top to bottom, and when fixed spout 24 and sliding plate 27's setting can guarantee that vibrating motor 23 and expanding spring 22 vibrate from top to bottom, recess 25 is in stable condition all the time, is convenient for screen the cinder at sieve 17 top.

In this embodiment, a rotating bearing 26 is fixedly mounted on the inner wall of the feeding port 9, a speed reduction plate 10 is fixedly sleeved on the outer portion of the rotating bearing 26, a return spring 11 is fixedly connected to the inner wall of the feeding port 9, and the outer end of the return spring 11 is fixedly connected to the bottom surface of the speed reduction plate 10.

When the coal cinder is carried to crushing casing 5 inside by feed inlet 9, the air brake 10 can receive the impact that the coal cinder descends and down carry out fan-shaped rotation, and reset spring 11 can compress along with the rotation of air brake 10 simultaneously, and after the coal cinder descends, air brake 10 normal position that resumes, air brake 10's setting can slow down the coal cinder that descends, avoids appearing the condition emergence that partial device damaged because the coal cinder falling speed is too high.

In this embodiment, the bottom of the discharging cavity wall 18 is provided with a coal cinder temporary storage box 3, the outer part of the discharging cavity wall 18 is fixedly provided with an impurity collecting box 2, and the impurity collecting box 2 is arranged below the discharge opening 4.

When partial impurity was selected in sieve 17 top, impurity can pass bin outlet 4 and drop the inside of impurity collecting box 2 and keep in, and the cinder that accords with the standard can pass sieve 17 and drop the inside of cinder temporary storage case 3 and keep in, is convenient for carry out subsequent processing to impurity and cinder, has increased the practicality of device.

To sum up, the crushing device for coal mining in coal mine is used for conveying coal blocks from the feed inlet 9 to the inside of the crushing shell 5, simultaneously opening the asynchronous motor 20 and the vibrating motor 23, driving the fixed chute 24 to rotate by the asynchronous motor 20 through the belt 19, further driving the crushing hammer head 8 and the carrying rod 6 to rotate in the inner cavity of the crushing shell 5, matching with the arrangement of the first crushing spine 15 on the outer wall of the crushing hammer head 8 and the second crushing spine 16 on the inner wall of the crushing shell 5, being capable of efficiently crushing the coal blocks, after the screening is completed, the coal slag falls to the top of the sieve plate 17, simultaneously driving the sieve plate 17 by the vibrating motor 23 to vibrate up and down, screening the coal slag, enabling impurities to fall into the impurity collecting box 2 through the discharge port 4, enabling qualified coal slag to pass through the discharge cavity wall 18 and fall into the coal slag temporary storage box 3 for temporary storage, and finally taking out the materials in the impurity collecting box 2 and the coal slag temporary storage box 3, and (4) finishing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a reducing mechanism for coal mining in colliery, includes device base (1), its characterized in that: a crushing shell (5) is arranged above the device base (1), a second crushing spine (16) is fixedly arranged on the inner wall of the crushing shell (5), fixing plates (21) are fixedly arranged on two sides of the crushing shell (5), a rotating shaft (14) is fixedly sleeved in the fixing plates (21), a rotating roller (12) is fixedly sleeved outside the rotating shaft (14), the outer wall of the rotating roller (12) is fixedly connected with a crushing hammer head (8), the bottom of the crushing shell (5) is fixedly connected with a blanking cavity wall (18), the outer wall of the blanking cavity wall (18) is provided with a discharge opening (4), the inner wall of the blanking cavity wall (18) is fixedly provided with a groove (25), the inside of recess (25) is provided with vibrating motor (23), the top fixedly connected with sieve (17) of vibrating motor (23).

2. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the fixed cover in inside of fixed plate (21) has connect fixing bearing (13), the fixed cover in inside of fixing bearing (13) is equipped with rotation axis (14), the outer wall of rotation axis (14) is fixed to be cup jointed band pulley (7), and the fixed cover of outer wall of rotation axis (14) is equipped with live-rollers (12) that are located crushing casing (5) inner chamber.

3. The crushing device for coal mining of the coal mine according to claim 2, characterized in that: the outer wall fixedly connected with adapting rod (6) of live-rollers (12), the outer end fixed mounting of adapting rod (6) has crushing tup (8), and fixed mounting has five to ten first crushing spine (15) on the outer wall of crushing tup (8).

4. The crushing device for coal mining of the coal mine according to claim 2, characterized in that: the outer wall movable sleeve of band pulley (7) is equipped with belt (19), the inner wall movable sleeve of belt (19) is equipped with the output of asynchronous machine (20), and asynchronous machine (20) can drive band pulley (7) through belt (19) and rotate.

5. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: fixed spout (24) have been seted up to the lateral wall of recess (25) inner chamber, the bottom surface fixedly connected with expanding spring (22) of recess (25) inner chamber, the top fixedly connected with of expanding spring (22) removes slide (27), and the both sides of removing slide (27) are provided with the slider with fixed spout (24) looks adaptation.

6. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the inner wall fixed mounting of feed inlet (9) has swivel bearing (26), speed reduction plate (10) have been cup jointed to the external fixation of swivel bearing (26), the inner wall fixedly connected with reset spring (11) of feed inlet (9), and the outer end fixed connection of reset spring (11) is on the bottom surface of speed reduction plate (10).

7. The crushing device for coal mining of the coal mine according to claim 1, characterized in that: the bottom of unloading chamber wall (18) is provided with cinder temporary storage case (3), the outside fixed mounting of unloading chamber wall (18) has impurity collecting box (2), and impurity collecting box (2) set up the below at bin outlet (4).