CN211190398U

CN211190398U - Coal crusher

Info

Publication number: CN211190398U
Application number: CN201921145626.6U
Authority: CN
Inventors: 喻雪辉; 王泽辉; 梁维权; 邹业庆
Original assignee: Guangdong Datang International Leizhou Power Generation Co Ltd
Current assignee: Guangdong Datang International Leizhou Power Generation Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-08-07
Anticipated expiration: 2029-07-22

Abstract

The utility model belongs to the technical field of coal mine mechanical equipment technique and specifically relates to indicate a coal breaker, including the organism that is equipped with broken chamber, seted up on the organism with feed inlet and discharge gate that broken chamber is linked together are provided with the broken subassembly that is used for smashing the coal charge in broken intracavity, broken chamber be provided with be used for guiding the coal charge extremely broken plate of subassembly, broken plate include with the guide portion of feed inlet intercommunication with around establishing the screening portion in the broken subassembly outside, the discharge gate is located screening portion below, and the slip of screening portion is provided with a plurality of baffles that are used for blockking the coal charge gliding. During specific work, coal enters from the feeding hole, slides to the crushing assembly through the guide part to be crushed, and is screened on the screening part, and the coal which reaches the standard after being crushed falls from the screening hole and is discharged from the discharging hole; the setting of baffle can block the direct landing of coal charge to the bottommost of screening portion, causes the coal charge to pile up in screening portion bottom to make broken subassembly shrink, reduced the crushing efficiency of coal breaker.

Description

Coal crusher

Technical Field

The utility model belongs to the technical field of coal mine mechanical equipment technique and specifically relates to indicate a coal breaker.

Background

The coal crusher is crushing equipment, and is used for crushing coal blocks into coal blocks with smaller particle sizes, so that the coal blocks can be conveniently pulverized in subsequent processes. Current coal breaker is equipped with the rotor and locates the ring hammer of rotor including the organism that is equipped with broken chamber in the broken chamber, and concrete during operation, the coal charge gets into broken chamber from the feed inlet, receives the high-speed impact of high rotatory ring hammer to become the fritter, contains when hard objects such as iron in the coal charge, and the ring hammer blocks up easily, therefore the ring hammer is extending structure, and the ring hammer shrink during the object of broken hard. However, the coal material also causes the contraction of the ring hammer after being accumulated in the crushing cavity, so that the crushing efficiency of the coal crusher is reduced, and the granularity does not reach the standard.

Disclosure of Invention

The utility model provides a coal breaker can prevent that broken intracavity coal charge from piling up and making the ring hammer shrink, improves the crushing efficiency of coal breaker, guarantees that broken granularity is up to standard.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a coal breaker, its is including the organism that is equipped with broken chamber, seted up on the organism with feed inlet and discharge gate that broken chamber is linked together, broken intracavity is provided with the broken subassembly that is used for smashing the coal charge, broken chamber be provided with be used for guiding the coal charge extremely broken assembly's crushing shell, the crushing shell include with the guide portion of feed inlet intercommunication and around the screening portion of establishing in the broken subassembly outside, the discharge gate is located screening portion below, the screening portion slides and is provided with a plurality of baffles that are used for blockking the coal charge gliding.

Furthermore, a plurality of sliding grooves are formed in the screening portion at intervals, the baffle is in sliding fit with the sliding grooves, and one end, far away from the sliding grooves, of the baffle can protrude out of the sliding grooves by sliding the baffle.

Furthermore, the baffle plate is connected with the bottom of the chute through a spring, when the spring is in a natural state, the baffle plate partially protrudes out of the chute, and the length of the part of the baffle plate protruding out of the chute is smaller than the distance between the screening part and the crushing assembly.

Furthermore, one end, far away from the spring, of the baffle is provided with a groove.

Further, the crushing assembly comprises a ring hammer rotatably carried in the crushing cavity and a driving member for driving the ring hammer to impact the coal material.

Furthermore, the crushing intracavity rotates and is provided with the transmission shaft, the output shaft and the transmission shaft of driving piece are connected, the both ends of transmission shaft are provided with the rotor respectively, two be connected with a plurality of pivots between the rotor, it is provided with a plurality ofly to rotate in the pivot the ring hammer.

Furthermore, a plurality of the rotating shafts are circumferentially and uniformly distributed around the transmission shaft.

Further, a plurality of anti-skidding pressing strips are arranged on the outer side of each ring hammer in the circumferential direction.

The utility model has the advantages that: during specific work, coal enters from the feeding hole, slides to the crushing assembly through the guide part to be crushed, and is screened on the screening part, and the coal which reaches the standard after being crushed falls from the screening hole and is discharged from the discharging hole; the setting of baffle can block the direct landing of coal charge to the bottommost of screening portion, causes the coal charge to pile up in screening portion bottom to make broken subassembly shrink, reduced the crushing efficiency of coal breaker.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

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

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

fig. 3 is a partial cross-sectional view of the present invention.

Description of reference numerals: 10. a body; 11. a crushing chamber; 12. a feed inlet; 13. a discharge port; 20. a crushing assembly; 22. a drive shaft; 23. a rotor; 24. a rotating shaft; 25. a ring hammer; 251. an anti-skid layering; 30. a breaker plate; 31. a guide section; 32. a screening section; 321. a screening well; 322. a chute; 40. a baffle plate; 41. a groove; 50. a spring.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 3, the utility model provides a coal crusher, which comprises a body 10 having a crushing cavity 11, the body 10 is provided with a feed inlet 12 and a discharge outlet 13 communicated with the crushing cavity 11, the feed inlet 12 is located at the top end of the body 10, the discharge outlet 13 is located at the bottom end of the body 10, a crushing assembly 20 for crushing coal is arranged in the crushing cavity 11, the crushing cavity 11 is provided with a crushing plate 30 for guiding coal to the crushing assembly 20, the crushing plate 30 comprises a guide portion 31 communicated with the feed inlet 12 and a screening portion 32 wound outside the crushing assembly 20, the guide portion 31 is inclined to facilitate the coal entering the crushing cavity 11 to slide down under the action of gravity, the screening portion 32 is provided with a plurality of screening holes 321, the screening portion 32 is integrally arc-shaped, the screening portion 32 is located under the crushing assembly 20, the discharge outlet 13 is located under the screening portion 32, the screening portion 32 is slidably provided with a plurality of baffles 40 for blocking the coal from sliding downwards. During specific work, coal enters from the feeding hole 12, slides to the crushing assembly 20 through the guide part 31 to be crushed, and is screened on the screening part 32, and the crushed coal which reaches the standard falls from the screening hole 321 and is discharged from the discharge hole 13; the baffle 40 can block that the direct landing of coal charge to the bottommost of screening portion 32, causes the coal charge to pile up in screening portion 32 bottom to make broken subassembly 20 shrink, reduced the crushing efficiency of coal breaker.

As shown in fig. 2, the crushing assembly 20 includes a ring hammer 25 rotatably carried in the crushing chamber 11 and a driving member (not shown) for driving the ring hammer 25 to strike the coal. Specifically, the driving piece is the motor, the internal rotation of crushing chamber 11 is provided with transmission shaft 22, the output shaft and the transmission shaft 22 of motor are connected, the both ends of transmission shaft 22 are provided with rotor 23 respectively, connect through torque transfer ring (not marked in the figure) between transmission shaft 22 and the rotor 23, and torque transfer ring can be bought by market, two be connected with a plurality of pivots 24 between the rotor 23, it is a plurality of pivot 24 circumference evenly distributed is around transmission shaft 22, here, transmission shaft 22 is provided with four pivots 24 all around, thereby can increase and decrease pivot 24 quantity according to actual conditions and change the crushing granularity of coal charge, it is provided with a plurality of ring hammers 25 to rotate on the pivot 24, and every ring hammer 25 can independently rotate the rotation. During operation, the motor drives transmission shaft 22 and passes by oneself, and pivot 24 rotates round transmission shaft 22 through rotor 23, and when the coal charge slided the whereabouts on guide 31, ring hammer 25 can strike great coal charge, carries out preliminary crushing to the coal charge, and ring hammer 25 can pass by on pivot 24 by oneself, can prevent that ring hammer 25 from striking hard thing and causing the card phenomenon of dying, avoids the motor to damage.

Preferably, a plurality of anti-slip beads 251 are circumferentially arranged on the outer side of each ring hammer 25, and specifically, the anti-slip beads 251 play an anti-slip role in crushing, so that the crushing granularity can be guaranteed to reach the standard.

As shown in fig. 2 and 3, the screening portion 32 is provided with a plurality of chutes 322 at intervals, screening holes 321 are provided between adjacent chutes 322, the baffle 40 is in sliding fit with the chutes 322, and one end of the baffle 40 away from the chutes 322 protrudes out of the chutes 322 by sliding the baffle 40. The coal material is blockked the back by baffle 40 at the gliding in-process, can filter away through screening hole 321 to avoid the coal material to pile up in screening portion 32 bottom, cause the shrink of ring hammer 25, reduced the crushing efficiency of coal breaker, lead to the granularity not up to standard.

Preferably, the baffle 40 is connected to the bottom of the chute 322 by a spring 50, and when the spring 50 is in a natural state, the baffle 40 partially protrudes from the chute 322, and the length of the portion of the baffle 40 protruding from the chute 322 is smaller than the distance between the screening portion 32 and the crushing assembly 20. Specifically, because the thickness of crushing shell 30 is less than the length of baffle 40, set up a plurality of through-holes (not having the mark in the figure) that can supply baffle 40 to slide on screening portion 32, one side of keeping away from crushing unit 20 at screening portion 32 is fixed and is provided with a plurality of fixed boxes of no lid (not having the mark in the figure), the opening connecting through-hole of the fixed box of no lid, make through-hole and the fixed box of no lid form above-mentioned spout 322 like this, during specific work, baffle 40 part salient in spout 322 blocks partial coal charge, avoid crushing unit 20 card to die the damage, prevent that the coal charge from piling up and making the ring hammer 25 shrink in broken chamber 11, improve the crushing efficiency of coal breaker, guarantee that broken granularity is up to standard.

Preferably, the end of the baffle 40 remote from the spring 50 is provided with a recess 41. Specifically, the direction of the notch of the groove 41 is tangent to the rotation track of the ring hammer 25, on one hand, the groove 41 can further block the coal material, on the other hand, the baffle 40 can be retracted into the chute 322 when the ring hammer 25 impacts and extrudes the coal material, and the service life of the baffle 40 is prolonged.

The working principle is as follows:

the coal material enters from the feed inlet 12 and slides down through the guide part 31, the motor drives the transmission shaft 22 to transmit automatically, the rotating shaft 24 rotates around the transmission shaft 22 through the rotor 23, and when the coal material slides down on the guide part 31, the ring hammer 25 can impact the larger coal material to primarily crush the coal material; when the coal falls to the screening part 32, the baffle plates 40 can prevent the coal from directly falling to the bottom end of the screening part 32, and the crushed coal reaching the standard can fall from the screening holes 321 through the plurality of baffle plates 40; when the coal material is piled up in baffle 40 department to a certain extent, ring hammer 25 can strike the coal material of piling up in baffle 40 department, and coal material extrusion baffle 40, baffle 40 move towards spout 322 tank bottoms, and the coal material falls down from adjacent screening hole 321 again, and the setting of baffle 40 can avoid the coal material to pile up in screening portion 32 bottom to make broken subassembly 20 shrink, reduced the crushing efficiency of coal breaker.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a coal breaker, is including the organism that is equipped with broken chamber, its characterized in that: the utility model discloses a coal crushing machine, including the organism, broken chamber, feed inlet and discharge gate, broken intracavity is provided with the broken subassembly that is used for smashing the coal material, broken chamber is provided with and is used for guiding the coal material extremely broken subassembly's crushing plate, the crushing plate include with the guide portion of feed inlet intercommunication and around the screening portion of establishing in the broken subassembly outside, the discharge gate is located screening portion below, the screening portion slides and is provided with a plurality of baffles that are used for blockking the gliding of coal material.

2. The coal pulverizer of claim 1, wherein: the screening portion is provided with a plurality of chutes at intervals, the baffle is in sliding fit with the chutes, and the baffle can be slid to enable one end, far away from the chutes, of the baffle to protrude out of the chutes.

3. The coal pulverizer of claim 2, wherein: the baffle plate is connected with the bottom of the chute through a spring, when the spring is in a natural state, the baffle plate partially protrudes out of the chute, and the length of the part, protruding out of the chute, of the baffle plate is smaller than the distance between the screening part and the crushing assembly.

4. The coal pulverizer of claim 3, wherein: one end of the baffle, which is far away from the spring, is provided with a groove.

5. The coal pulverizer of any of claims 1-4, wherein: the crushing assembly comprises a ring hammer rotatably supported in the crushing cavity and a driving piece for driving the ring hammer to impact coal.

6. The coal pulverizer of claim 5, wherein: the crushing intracavity rotates and is provided with the transmission shaft, the output shaft and the transmission shaft of driving piece are connected, the both ends of transmission shaft are provided with the rotor respectively, two be connected with a plurality of pivots between the rotor, it is provided with a plurality ofly to rotate in the pivot the ring hammer.

7. The coal pulverizer of claim 6, wherein: a plurality of the rotating shafts are circumferentially and uniformly distributed around the transmission shaft.

8. The coal pulverizer of claim 7, wherein: and a plurality of anti-skidding pressing strips are arranged on the outer side of each ring hammer in the circumferential direction.