CN214262147U

CN214262147U - Two-stage wet coal crushing device

Info

Publication number: CN214262147U
Application number: CN202023319131.6U
Authority: CN
Inventors: 彭娟; 李继林
Original assignee: Zhenjiang Fengtai Test & Sample Preparation Equipment Co ltd
Current assignee: Zhenjiang Fengtai Test & Sample Preparation Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-24
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a doublestage wet coal breaker: the crushing roller assembly comprises a hopper, a crushing barrel and a crushing roller assembly, wherein the discharge end of the hopper is connected with the feed end of the crushing barrel, and the crushing roller assembly is positioned at the bottom of the crushing barrel; the crushing barrel comprises a barrel body, a central shaft and a crushing hammer, wherein the central shaft and the crushing hammer are arranged in the barrel body; the crushing roller assembly comprises a plurality of crushing roller sets parallel to the central shaft, each crushing roller set comprises a first crushing roller and a second crushing roller, the first crushing roller and the second crushing roller are both provided with a plurality of annular crushing grooves distributed in an array mode, and the annular crushing grooves of the first crushing roller and the annular crushing grooves of the second crushing roller are arranged in a staggered mode. The utility model provides a wet coal breaker of doublestage, wherein the first level is that traditional quartering hammer carries out the breakage, and the second level is that the mode that adopts the broken roller set of a plurality of groups carries out the breakage. The utility model discloses a wet coal crushing efficiency and crushing quality have been guaranteed in the two-stage breakage.

Description

Two-stage wet coal crushing device

Technical Field

The utility model relates to a coal breaker technical field, concretely relates to wet coal breaker of doublestage.

Background

The wet coal is difficult to crush because of containing moisture and having certain adhesiveness, and the technical problem of uneven crushing generally occurs. The traditional hammer crusher is usually adopted for crushing in the prior art, but the crushing effect is poor, the wet coal can only be roughly crushed by the crushing hammer, and the crushing effect is poor.

SUMMERY OF THE UTILITY MODEL

For solving the not enough among the prior art, the utility model provides a doublestage wet coal breaker has solved the not high technical problem of wet coal crushing quality.

In order to realize the above object, the utility model adopts the following technical scheme:

a two-stage wet coal crushing device: the crushing roller assembly comprises a hopper, a crushing barrel and a crushing roller assembly, wherein the discharge end of the hopper is connected with the feed end of the crushing barrel, and the crushing roller assembly is positioned at the bottom of the crushing barrel;

the crushing barrel comprises a barrel body, a central shaft and a crushing hammer, wherein the central shaft and the crushing hammer are arranged in the barrel body;

the crushing roller assembly comprises a plurality of crushing roller sets parallel to the central shaft, each crushing roller set comprises a first crushing roller and a second crushing roller, the first crushing roller and the second crushing roller are respectively connected to a first gear and a second gear, all the first gear and the second gear are sequentially meshed in a staggered manner, and the first gear or the second gear is connected with a power input end of a crushing roller motor;

the first crushing roller and the second crushing roller are both provided with a plurality of annular crushing grooves distributed in an array mode, and the annular crushing grooves of the first crushing roller and the annular crushing grooves of the second crushing roller are arranged in a staggered mode.

Preferably, the two-stage wet coal crushing device comprises: still be equipped with the inclined baffle that the slope set up in the hopper, the hopper still passes through baffle leg joint cowl, and baffle leg joint is used for driving cowl for the laminating of inclined baffle and wobbling baffle control lever.

Preferably, the two-stage wet coal crushing device comprises: when the arc-shaped baffle swings, the inclined baffle is tangent to the arc-shaped baffle all the time.

Preferably, the two-stage wet coal crushing device comprises: the hopper is still connected and is removed the material device, removes the material device including setting up in the shovel board of just offside of hopper quartering hammer pendulum, but the vertical sliding connection of shovel board in the inboard of hopper, and the shovel board is connected and is used for driving the shovel board drive arrangement of the vertical reciprocating motion of shovel board.

Preferably, the two-stage wet coal crushing device comprises: the shovel plate driving device comprises a connecting rod, a rotary table and a material removing motor, the material removing motor is used for driving the rotary table to rotate, and two ends of the connecting rod are respectively hinged to the eccentric positions of the shovel plate and the rotary table.

Preferably, the two-stage wet coal crushing device comprises: and a baffle strip which is attached to the first crushing roller and the second crushing roller is arranged between the adjacent crushing roller sets.

Preferably, the two-stage wet coal crushing device comprises: a material receiving device is arranged below the crushing roller assembly.

Preferably, the two-stage wet coal crushing device comprises: the receiving device is a drawer.

The utility model discloses the beneficial effect who reaches: the utility model provides a wet coal breaker of doublestage, wherein the first level is that traditional quartering hammer carries out the breakage, and the second level is that the mode that adopts the broken roller set of a plurality of groups carries out the breakage. The utility model discloses a two-stage breakage can be realized the breakage of wet coal quick, efficient, guarantees crushing efficiency and crushing quality.

Wherein remove material device and can clear away the accumulational wet coal among the crushing process and crushing again, guaranteed the continuity of work.

Drawings

Fig. 1 is a first perspective view of the present invention;

figure 2 is an axonometric view of the utility model two

FIG. 3 is a sectional view of the hopper and the material removing device of the present invention;

FIG. 4 is a structural diagram of the crushing barrel and the crushing roller assembly of the present invention;

FIG. 5 is a schematic top view of the first and second crushing rolls (wherein the grid represents the crushing screen holes)

The meaning of the reference numerals: 1-a hopper; 2-a material removing device; 3-a crushing barrel; 4-a material receiving device; 5-a material removing motor; 6-a crushing roller assembly; 11-a scrap motor; 12-a curved baffle; 13-a baffle bracket; 14-a flapper lever; 15-inclined baffles; 21-a shovel plate; 22-a guide wheel; 23-a connecting rod; 24-a turntable; 31-a central axis; 32-breaking hammer support; 33-breaking hammer; 61-a crushing roller I; 62-a second crushing roller; 63-a stop bar; 611, a first gear; 621-gear two; 7-a crushing roller motor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 4: the embodiment discloses a doublestage wet coal breaker: including hopper 1, broken bucket 3 and crushing roller subassembly 6, the feed end of broken bucket 3 is connected to the discharge end of hopper 1, and crushing roller subassembly 6 is in the bottom of broken bucket 3.

Crushing barrel 3 includes the barrel and sets up in inside center pin 31 and quartering hammer 33 of barrel, and center pin 31 level sets up and articulates in quartering hammer 33 through pendulum support 32, and center pin 31 passes through crushed aggregates motor 11 rotary drive.

The crushing roller assembly 6 comprises a plurality of crushing roller sets which are parallel to the central shaft 31, each crushing roller set comprises a first crushing roller 61 and a second crushing roller 62, the first crushing roller 61 and the second crushing roller 62 are respectively connected with a first gear 611 and a second gear 621,

all the first gear 611 and the second gear 621 are meshed in a staggered mode in sequence, and the first gear 611 or the second gear 621 is connected with the power input end of the crushing roller motor 7; that is, when the crushing roller motor 7 rotates, all the crushing rollers can be driven to rotate.

The first crushing roller 61 and the second crushing roller 62 are provided with a plurality of annular crushing grooves distributed in an array mode, and the annular crushing grooves of the first crushing roller 61 and the annular crushing grooves of the second crushing roller 62 are arranged in a staggered mode. The annular crushing groove can form the vertically arranged crushing sieve holes in the first crushing roller 61 and the second crushing roller 62, coal particles can be actively driven to pass through the sieve holes along with the rotation of the first crushing roller 61 and the second crushing roller 62, and the coal particles can be crushed to be capable of passing through the annular crushed particles when being large.

An inclined baffle 15 which is obliquely arranged is further arranged in the hopper 1, the hopper 1 is further connected with the arc baffle 12 through a baffle bracket 13, and the baffle bracket 13 is further connected with a baffle operating lever 14 which is used for driving the arc baffle 12 to be attached to and swing relative to the inclined baffle 15.

When the arc-shaped baffle 12 swings, the inclined baffle 15 is tangent to the arc-shaped baffle 12 all the time, so that the phenomenon of material leakage between the two is avoided.

Because quartering hammer 33 can drive the wet coal striking to hopper 1's inner wall and remain and form on its surface and pile up, in order to get rid of accumulational wet coal, hopper 1 of this embodiment still connects except that material device 2, removes material device 2 and includes setting up in hopper 1 quartering hammer swing just contralateral shovel board 21, but shovel board 21 vertical sliding connection is in hopper 1's inboard, and shovel board 21 connects the shovel board drive arrangement who is used for driving the vertical reciprocating motion of shovel board 21. The shovel plate 21 is used to shovel off the wet coal accumulated inside the hopper 1.

Shovel board drive arrangement includes connecting rod 23, carousel 24 and removes material motor 5, removes material motor 5 and is used for driving carousel 24 rotatory, and the both ends of connecting rod 23 articulate respectively in the eccentric department of shovel board 21, carousel 24.

And a baffle bar 63 which is attached to the first crushing roller 61 and the second crushing roller 62 is arranged between the adjacent crushing roller groups, namely the baffle bar 63 is used for covering the upward rotating side of the first crushing roller 61 and the second crushing roller 62, so that only the downward rotating side of the first crushing roller 61 and the second crushing roller 62 is reserved.

A material receiving device 4 is arranged below the crushing roller assembly 6, and a drawer can be selected as the material receiving device 4.

When the coal crusher works, wet coal is put into the hopper 1 when the arc-shaped baffle plate 12 is in a closed state, and when part of the wet coal is required to be released and enters the crushing barrel 3, the arc-shaped baffle plate 12 is driven to rotate towards the opening direction through the baffle operating rod 14. The wet coal is crushed by the crushing hammer 33 in the first process, the wet coal passing through the crushing barrel 3 is scattered on the first crushing roller 61 and the second crushing roller 62, and then enters into crushing sieve holes (shown by grids in fig. 5) through the rotation of the first crushing roller 61 and the second crushing roller 62 to be crushed for the second time, so that the wet coal passing through the crushing roller assembly 6 can meet the crushing requirement.

Compared with the prior art, the embodiment provides a two-stage wet coal crushing device, wherein the first stage is that traditional quartering hammer 33 crushes, and the second stage is that the mode that adopts several groups of crushing roller sets crushes. The utility model discloses a two-stage breakage can be realized the breakage of wet coal quick, efficient, guarantees crushing efficiency and crushing quality.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A two-stage wet coal crushing device is characterized in that: the crushing device comprises a hopper (1), a crushing barrel (3) and a crushing roller assembly (6), wherein the discharge end of the hopper (1) is connected with the feed end of the crushing barrel (3), and the crushing roller assembly (6) is positioned at the bottom of the crushing barrel (3);

the crushing barrel (3) comprises a barrel body, a central shaft (31) and a crushing hammer (33), wherein the central shaft (31) and the crushing hammer (33) are arranged in the barrel body, the central shaft (31) is horizontally arranged and hinged to the crushing hammer (33) through a pendulum bracket (32), and the central shaft (31) is rotationally driven through a crushing motor (11);

the crushing roller assembly (6) comprises a plurality of crushing roller sets parallel to the central shaft (31), each crushing roller set comprises a first crushing roller (61) and a second crushing roller (62), the first crushing roller (61) and the second crushing roller (62) are respectively connected to a first gear (611) and a second gear (621), all the first gear (611) and the second gear (621) are sequentially meshed in a staggered mode, and the first gear (611) or the second gear (621) is connected with the power input end of a crushing roller motor (7);

the first crushing roller (61) and the second crushing roller (62) are provided with a plurality of annular crushing grooves distributed in an array manner, and the annular crushing grooves of the first crushing roller (61) and the annular crushing grooves of the second crushing roller (62) are arranged in a staggered manner.

2. The dual stage wet coal breaking apparatus of claim 1, wherein: still be equipped with inclined baffle (15) that the slope set up in hopper (1), cowl (12) is still connected through baffle support (13) in hopper (1), baffle support (13) are still connected and are used for driving cowl (12) for inclined baffle (15) laminating and wobbling baffle control lever (14).

3. The dual stage wet coal breaking apparatus of claim 2, wherein: when the arc-shaped baffle (12) swings, the inclined baffle (15) is always tangent to the arc-shaped baffle (12).

4. The dual stage wet coal breaking apparatus of claim 1, wherein: hopper (1) is still connected and is removed material device (2), remove material device (2) including setting up in shovel board (21) of just offside of hopper (1) quartering hammer swing, but shovel board (21) vertical sliding connection in the inboard of hopper (1), and shovel board (21) are connected and are used for driving shovel board (21) vertical reciprocating motion's shovel board drive arrangement.

5. The dual stage wet coal breaking apparatus of claim 4, wherein: the shovel plate driving device comprises a connecting rod (23), a rotary table (24) and a material removing motor (5), the material removing motor (5) is used for driving the rotary table (24) to rotate, and two ends of the connecting rod (23) are hinged to the eccentric positions of the shovel plate (21) and the rotary table (24) respectively.

6. The dual stage wet coal breaking apparatus of claim 1, wherein: and a baffle bar (63) which is attached to the first crushing roller (61) and the second crushing roller (62) is arranged between the adjacent crushing roller sets.

7. The dual stage wet coal breaking apparatus of claim 1, wherein: and a material receiving device (4) is also arranged below the crushing roller assembly (6).

8. The dual stage wet coal breaking apparatus of claim 7, wherein: the material receiving device (4) is a drawer.