CN220835859U

CN220835859U - Coal mining breaker

Info

Publication number: CN220835859U
Application number: CN202322203098.8U
Authority: CN
Inventors: 张洪雨; 闫瑞常; 程新艳; 王东升; 李裕震; 王志磊; 王泽洋
Original assignee: No3 Coal Mine Of Hebi Coal And Electricity Co ltd
Current assignee: No3 Coal Mine Of Hebi Coal And Electricity Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-04-26
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a coal mining crushing device, which effectively solves the problems that the crushing effect of the conventional crusher is poor and crushed coal cannot be screened and conveyed; the device comprises a crushing box, wherein the upper side and the lower side of the crushing box are respectively provided with a rotatable rotating shaft, a plurality of baffles uniformly distributed along the front-rear direction of the rotating shaft are fixedly connected to the rotating shafts, and a plurality of fixing rods uniformly distributed along the circumference of the rotating shaft are arranged in a crushing bin; according to the utility model, the crushing box, the rotating shaft, the baffle plates, the fixed rods and the crushing hammers are arranged, the rotating shaft can be used for driving the fixed rods and the crushing hammers thereon to crush coal entering the crushing box, the crushing hammers have larger kinetic energy in the running process, the coal blocks can be crushed to the greatest extent, and the coal can enter the sieve hopper from the discharge hole after being ground through the discharge hole, the support plates, the sieve hopper, the support, the conveying shaft and the conveying belt, so that the sieve hopper can shake and play a screening role.

Description

Coal mining breaker

Technical Field

The utility model relates to the technical field of coal mining equipment, in particular to a coal mining crushing device.

Background

The crushing device for coal mining is a device tool for crushing a large-sized block coal mine, crushing coal blocks is carried out, so that the mined raw coal is fine particles, storage and transportation of the raw coal are facilitated, the occupied space size during coal mine storage is reduced, the coal mining is accelerated, the conventional crusher is used for crushing a multi-purpose grinding wheel, the crushing effect is poor, when harder stone is mixed into coal, the crusher is easy to cause a clamping machine or damage the grinding wheel, the crushed coal blocks are not screened by the conventional crusher, the crushed coal blocks are easy to cause, and the larger or unbroken stone is mixed into the coal to be transported to the next stage, so that the quality of the coal is reduced.

Disclosure of utility model

Aiming at the situation, the utility model aims to overcome the defects of the prior art, and aims to provide the coal mining crushing device, so that the problems that the crushing effect of the conventional crusher is poor and crushed coal cannot be screened and conveyed are effectively solved.

The technical scheme includes that the crushing device comprises a crushing box, rotatable rotating shafts are respectively arranged on the upper side and the lower side of the crushing box, a plurality of baffle plates which are uniformly distributed along the front and rear directions of the rotating shafts are fixedly connected to the rotating shafts, a plurality of fixing rods which are uniformly distributed along the circumference of the rotating shafts are arranged in the crushing bin, a crushing hammer which is positioned between the corresponding side baffle plates of the fixing rods is sleeved on the fixing rods and the corresponding baffle plates, a discharge hole is formed in the lower end of the crushing box, a support plate is fixedly connected to the lower end of the crushing box, a movable groove is formed in the support plate, a sieve bucket which can move left and right and is positioned below the discharge hole is slidably connected in the movable groove, two support rods which are opposite left and right are respectively fixedly connected to the front end and the rear end of the support plate, a plurality of transport shafts which are uniformly distributed along the left and right directions of the support rods are fixedly connected to the support rods, and a circulating and rotatable transmission belt is arranged on the support.

The utility model discloses a crushing case, including broken case front end fixedly connected with protective housing, two rotation axis front ends respectively fixedly connected with be located the straight-tooth wheel of protective housing, be equipped with in the protective housing respectively with two straight-tooth wheel engagement's first toothed chain, the straight-tooth wheel front end fixedly connected with bevel gear one of upside, broken case front end fixedly connected with is located the left installing frame of straight-tooth wheel left side of upside, fixedly connected with rotating electrical machines in the installing frame, rotating electrical machines's output fixedly connected with and bevel gear two of bevel gear one engagement.

The support plate is provided with a rotatable slave gear, and the upper end of the slave gear is hinged with the left side of the upper end of the sieve bucket through a connecting rod.

The left side fixedly connected with of support front end shelters from the shell, and the transportation axle front end fixedly connected with of leftmost is located the bevel gear III that shelters from the shell, and support shell fixedly connected with support front end, fixedly connected with double-end motor in the support shell, the output fixedly connected with of double-end motor downside and bevel gear IV of three meshing of bevel gear, double-end motor upper end fixedly connected with master gear, cup jointed the second toothed chain on the master gear, second toothed chain and from gear engagement.

The left side of the sieve bucket is provided with a splitter box, the lower end of the support plate is provided with a splitter plate positioned below the splitter box, and the splitter plate is fixedly connected with a support rod at the corresponding side of the splitter plate.

The upper end of the crushing box is provided with a feed inlet, a feed hopper is fixedly connected in the feed inlet, and two open shells are slidingly connected on the upper side of the crushing box.

And a bearing is arranged at the joint of the crushing box and the rotating shaft.

The lower side wall of the sieve bucket is an inclined surface with lower left and higher right.

The coal crushing device is ingenious in structure and convenient to use, the crushing box, the rotating shaft, the baffle plates, the fixing rods and the crushing hammers are arranged, the rotating shaft can be used for driving the fixing rods and the crushing hammers on the fixing rods to crush coal entering the crushing box, the crushing hammers have larger kinetic energy in the operation process, coal blocks can be crushed to the greatest extent, and the conveying shafts and the conveying belts can enter the sieve hoppers from the discharge holes after the coal is crushed through the discharge holes, the support plates, the sieve hoppers, the support frames, the conveying shafts and the conveying belts.

Drawings

Fig. 1 is an isometric view of the present utility model.

Fig. 2 is a front isometric view in full section of the present utility model.

Fig. 3 is an isometric view of a breaking hammer in accordance with the present utility model.

Fig. 4 is an isometric view of a conveyor belt of the present utility model.

Fig. 5 is a top plan perspective view of the present utility model in full section.

Fig. 6 is a cut-away top isometric view of the present utility model.

Fig. 7 is an enlarged view of a of fig. 6 according to the present utility model.

In the figure: 1. a crushing box; 2. a rotation shaft; 3. a baffle; 4. a fixed rod; 5. a breaking hammer; 6. a discharge port; 7. a support plate; 8. a movable groove; 9. screening bucket; 10. a support rod; 11. a bracket; 12. a transport shaft; 13. a transmission belt; 14. a protective shell; 15. spur gears; 16. a first toothed chain; 17. bevel gears I; 18. a mounting frame; 19. a rotating electric machine; 20. bevel gears II; 21. a slave gear; 22. a connecting rod; 23. a shielding case; 24. bevel gears III; 25. a support case; 26. a double-ended motor; 27. bevel gears IV; 28. a main gear; 29. a second toothed chain; 30. a shunt channel; 31. a diverter plate; 32. a feed hopper; 33. an open shell; 34. and (3) a bearing.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

The utility model provides a by fig. 1 through 7, including crushing case 1, the both sides are equipped with rotatable rotation axis 2 respectively about the crushing case 1, fixedly connected with is a plurality of baffles 3 along its fore-and-aft direction equipartition on the rotation axis 2, be equipped with a plurality of dead levers 4 along axis of rotation circumference equipartition in the crushing storehouse, the breaking hammer 5 between its corresponding side baffle 3 has been cup jointed on a plurality of baffles 3 fixed connection dead levers 4 of dead lever 4 rather than corresponding side, discharge gate 6 has been seted up to crushing case 1 lower extreme, crushing case 1 lower extreme fixedly connected with extension board 7, set up movable groove 8 on the extension board 7, but movable groove 8 sliding connection has and is located sieve fill 9 of discharge gate 6 below, both ends are fixedly connected with respectively about two relative branches 10 around the extension board 7, fixedly connected with is located the support 11 under sieve fill 9 on the branch 10, fixedly connected with is equipped with a plurality of transportation axles 12 along its left-right direction on the support 11, but circulated rotation's conveyer belt 13 is equipped with on the support 11.

As shown in fig. 1 to 7, set up crushing box 1, rotation axis 2, baffle 3, dead lever 4 and quartering hammer 5, can utilize rotation axis 2 to drive a plurality of dead levers 4 and quartering hammer 5 on it carry out the breakage to getting into the coal in the crushing box 1, and quartering hammer 5 has great kinetic energy in the operation in-process, can carry out the at utmost with the coal cinder, can avoid having harder stone card to go into crushing box 1 simultaneously, two rotation axes 2 become 45 degree inclinations simultaneously, can play good mutual supplementary effect of crushing, baffle 3 can play the purpose of strengthening rotation axis 2 and dead lever 4 intensity, avoid dead lever 4 to lead to the crashing hammer 5 to cause the damage in the use, set up quartering hammer 5 staggered distribution, only three quartering hammer 5 between every two baffles 3, can avoid the crashing hammer 5 quantity but the crushing effect is the same, save the resource, set up discharge gate 6, support plate 7, sieve 9, support 11, transportation axle 12 and conveyer belt 13 can be gone into from discharge gate 6 to 9, can be reached to the filter sieve 13 and can be stopped up to the filter sieve 13 and can be kept the filter, can be reached the filter sieve 13 is carried out to the filter sieve 13 and can be stopped up to the medium 9, can be reached the filter sieve 13 is left and the filter medium is carried out to the sieve 13 and can be passed down the sieve 13, the filter medium is kept down to the sieve 13 is passed down the sieve is passed down to the sieve 13, the filter medium is passed through the sieve 13.

The front end fixedly connected with protective housing 14 of broken case 1, the straight-tooth wheel 15 that two rotation axis 2 front ends are fixedly connected with respectively in protective housing 14 is equipped with respectively with the first toothed chain 16 of two straight-tooth wheel 15 meshing in the protective housing 14, the straight-tooth wheel 15 front end fixedly connected with bevel gear one 17 of upside, the mounting frame 18 that broken case 1 front end fixedly connected with is located the straight-tooth wheel 15 left side of upside, fixedly connected with rotating electrical machines 19 in the mounting frame 18, the output fixedly connected with of rotating electrical machines 19 with bevel gear two 20 with bevel gear one 17 meshing.

As shown in fig. 1 to 3, the protective housing 14 is configured to protect an internal structure from damage caused by dust, and the two spur gears 15, the first toothed chain 16, the first bevel gear 17, the rotating motor 19 and the second bevel gear 20 are configured to drive the upper spur gear 15 to rotate by the rotating motor 19 through the second bevel gear 20 and the first bevel gear 17, and the upper spur gear 15 rotates to drive the two spur gears 15 to synchronously rotate through the first toothed chain 16, that is, the two rotating shafts 2 synchronously rotate, so as to provide kinetic energy for the breaking hammer 5 to strike coal.

The support plate 7 is provided with a rotatable slave gear 21, and the upper end of the slave gear 21 is hinged with the left side of the upper end of the sieve bucket 9 through a connecting rod 22.

As shown in fig. 4, the driven gear 21 and the connecting rod 22 are provided, and the sieve bucket 9 can be driven to move left and right in the movable groove 8 by the rotation of the driven gear 21 through the connecting rod 22.

The left side fixedly connected with of support 11 front end shelters from shell 23, and the transportation axle 12 front end fixedly connected with that leftmost is located the bevel gear three 24 that shelters from shell 23, and support 11 front end fixedly connected with support shell 25, fixedly connected with double-end motor 26 in the support shell 25, the output fixedly connected with of double-end motor 26 downside and bevel gear four 27 of bevel gear three 24 meshing, double-end motor 26 upper end fixedly connected with master gear 28, cup joint second toothed chain 29 on the master gear 28, second toothed chain 29 and slave gear 21 meshing.

As shown in fig. 3 to 5, the shielding shell 23 and the supporting shell 25 are arranged to protect the internal structure, and the double-headed motor 26, the bevel gear three 24, the bevel gear four 27, the main gear 28 and the second toothed chain 29 are arranged to drive the sieve bucket 9 to shake and the transmission belt 13 to transmit simultaneously by using the double-headed motor 26, so that the power device is reduced, and the practicability of the device is improved.

The left side of the sieve bucket 9 is provided with a splitter box 30, the lower end of the support plate 7 is provided with a splitter plate 31 positioned below the splitter box 30, and the splitter plate 31 is fixedly connected with the support rod 10 at the corresponding side.

As shown in fig. 2 and 4, the arrangement of the diversion groove 30 and the diversion plate 31 can enable the substandard coal briquette to enter the diversion plate 31 from the diversion groove 30 and be transported to other positions for waiting for secondary crushing, so as to achieve the purpose of diverting the substandard coal briquette.

The upper end of the crushing box 1 is provided with a feed inlet, a feed hopper 32 is fixedly connected in the feed inlet, and two open shells 33 are slidingly connected on the upper side of the crushing box 1.

As shown in fig. 1 to 2, the feeding port and the feeding hopper 32 are arranged to facilitate the dumping of the coal briquette into the crushing box 1, the feeding hopper 32 serves to enlarge the feeding port, the open shell 33 is arranged to facilitate the maintenance of the internal crushing hammer 5 and other structures, the open shell 33 and the crushing box 1 are fixed by screws, and the open shell 33 is prevented from being opened randomly.

The joint of the crushing box 1 and the rotating shaft 2 is provided with a bearing 34.

As shown in fig. 6 and 7, the bearing 34 is provided to reduce friction and energy consumption and to increase the rotation speed of the rotary shaft 2.

The lower side wall of the sieve bucket 9 is an inclined surface with lower left and higher right.

As shown in fig. 2, the inclined surface is arranged on the lower side wall of the sieve bucket 9, so that larger coal blocks which are not crushed completely can be offset leftwards in the shaking process of the sieve bucket 9, and the unqualified coal blocks can flow out of the shunt tank 30 and enter the shunt plate 31 conveniently.

When the utility model is used, the rotating motor 19 is started, the rotating motor 19 drives the upper spur gear 15 to rotate through the bevel gear II 20 and the bevel gear I17, the upper spur gear 15 drives the lower spur gear 15 to synchronously rotate through the first toothed chain 16, the two rotating shafts 2 synchronously rotate, the bearing 34 plays a role in reducing friction, the rotating shafts 2 drive the fixed rod 4 to rotate along the rotating shafts 2 through the baffle 3, the kinetic energy of the breaking hammer 5 is increased, then the double-headed motor 26 is started, the double-headed motor 26 drives the driven gear 21 to rotate through the main gear 28 and the second toothed chain 29, the driven gear 21 drives the sieve bucket 9 to move left and right in the movable groove 8 through the connecting rod 22, meanwhile, the double-headed motor 26 drives the bevel gear III 24 to rotate through the bevel gear IV 27, the bevel gear III 24 drives the leftmost conveying shaft 12 to rotate, the conveying shaft 12 drives the conveying belt 13 to circularly transmit through friction, and simultaneously the conveying belt 13 drives all the conveying shafts 12 to synchronously rotate, and the conveying belt 13 plays a supporting role;

Pouring coal blocks into the crushing box 1 from the feed hopper 32, crushing the coal blocks by using the crushing hammer 5 on the upper rotating shaft 2, knocking the coal blocks by using the crushing hammer 5 on the upper side, then, falling into the crushing range of the crushing hammer 5 on the lower side, secondarily knocking the crushing hammer 5 on the lower side, and simultaneously, knocking up larger unbroken coal blocks into the crushing range of the crushing hammer 5 on the upper side again, so that all the coal blocks are subjected to multiple collision and crushing to form fine coal blocks, the fine coal blocks fall into the sieve hopper 9 from the discharge hole 6, the up-to-standard coal blocks fall onto a conveying belt from the sieve hopper 9, the untup-to-standard coal blocks enter the splitter plate 31 from the splitter box 30 and are conveyed to other places to wait for secondary crushing, and the coal blocks falling onto the conveying belt 13 can be conveyed into the next procedure by using the conveying belt 13;

When the inside of the crushing box 1 needs to be maintained, the open shell 33 can be detached for maintenance, and the open shell 33 can be installed back to the crushing box 1 after the maintenance is completed, so that the next use is facilitated.

In the present utility model, the rotating electric machine 19 and the double-headed motor 26 are both conventional, and will not be described in detail here.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a coal mining breaker, including crushing case (1), a serial communication port, both sides are equipped with rotatable rotation axis (2) respectively about crushing case (1), fixedly connected with is a plurality of baffle (3) along its fore-and-aft direction equipartition on rotation axis (2), be equipped with a plurality of dead levers (4) along axis of rotation circumference equipartition in the crushing storehouse, fixedly connected with dead lever (4) and a plurality of baffle (3) fixed connection dead levers (4) of its corresponding side between baffle (3), discharge gate (6) have been seted up to crushing case (1) lower extreme, crushing case (1) lower extreme fixedly connected with extension board (7), offer movable slot (8) on extension board (7), but sliding connection has and is located sieve fill (9) of discharge gate (6) below in movable slot (8), both ends are fixedly connected with two respectively about opposite branch (10) on branch (10), fixedly connected with is located support (11) under sieve fill (9), fixedly connected with is equipped with on support (11) along the direction of turning on a plurality of support (12) of the transportation area of rotation of its left and right sides on the support (11).

2. The coal mining crushing device according to claim 1, wherein the front end of the crushing box (1) is fixedly connected with a protecting shell (14), the front ends of the two rotating shafts (2) are fixedly connected with spur gears (15) located in the protecting shell (14) respectively, first toothed chains (16) meshed with the two spur gears (15) respectively are arranged in the protecting shell (14), the front end of the upper spur gear (15) is fixedly connected with a first bevel gear (17), the front end of the crushing box (1) is fixedly connected with a mounting frame (18) located on the left side of the upper spur gear (15), a rotating motor (19) is fixedly connected in the mounting frame (18), and the output end of the rotating motor (19) is fixedly connected with a second bevel gear (20) meshed with the first bevel gear (17).

3. The coal mining crushing device according to claim 1, wherein the support plate (7) is provided with a rotatable driven gear (21), and the upper end of the driven gear (21) is hinged with the left side of the upper end of the sieve bucket (9) through a connecting rod (22).

4. The coal mining crushing device according to claim 1, wherein a shielding shell (23) is fixedly connected to the left side of the front end of the support (11), a bevel gear III (24) located in the shielding shell (23) is fixedly connected to the front end of the leftmost conveying shaft (12), a supporting shell (25) is fixedly connected to the front end of the support (11), a double-headed motor (26) is fixedly connected to the inside of the supporting shell (25), a bevel gear IV (27) meshed with the bevel gear III (24) is fixedly connected to the output end of the lower side of the double-headed motor (26), a main gear (28) is fixedly connected to the upper end of the double-headed motor (26), a second toothed chain (29) is sleeved on the main gear (28), and the second toothed chain (29) is meshed with the slave gear (21).

5. The coal mining crushing device according to claim 1, wherein the left side of the sieve bucket (9) is provided with a splitter box (30), the lower end of the support plate (7) is provided with a splitter plate (31) positioned below the splitter box (30), and the splitter plate (31) is fixedly connected with the support rod (10) at the corresponding side.

6. The coal mining crushing device according to claim 1, wherein a feed inlet is formed in the upper end of the crushing box (1), a feed hopper (32) is fixedly connected in the feed inlet, and two open shells (33) are slidingly connected on the upper side of the crushing box (1).

7. A coal mining crushing device according to claim 1, characterized in that the joint of the crushing box (1) and the rotating shaft (2) is provided with bearings (34).

8. A coal mining crushing device according to claim 1, wherein the lower side wall of the sieve bucket (9) is an inclined surface with low left and high right.