CN211190409U

CN211190409U - Brown coal crusher

Info

Publication number: CN211190409U
Application number: CN201922103121.XU
Authority: CN
Inventors: 梁琪翊
Original assignee: Baoqing County Fucheng Zhongxing Coal Distribution Co ltd
Current assignee: Heilongjiang xinfuyao Technology Development Co.,Ltd.
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-07
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a brown coal crusher, which relates to the technical field of coal mine stone crushing and comprises a shell, a rotor and a striking plate, wherein the shell is of a hollow structure with a lower opening, a feed inlet is arranged at the top of the shell, the rotor is arranged inside the shell, a driven shaft is arranged inside the shell, the driven shaft is driven by a motor through a belt, a hammer frame is sleeved on the driven shaft, a hammer head is arranged on the hammer frame, the hammer head is a cylinder, the radius of the top part is larger than that of the bottom part, and an annular side wing is arranged below; the top of the shell is provided with a front striking plate and a rear striking plate, the distance between the front striking plate and the feed inlet is smaller than the distance between the rear striking plate and the feed inlet, the back parts of the front striking plate and the rear striking plate are provided with buffer devices, and the surfaces of the front striking plate and the rear striking plate are provided with wave-shaped plates. The utility model discloses its tup design and wave template design, to a great extent have increased the broken route of raw materials brown coal, and crushing effect is better, hits the board before simultaneously and all sets up buffer with the back board of hitting, has prolonged the life who hits the board before and hit the board after with, has reduced cost of maintenance.

Description

Brown coal crusher

The technical field is as follows:

the utility model relates to a broken technical field of colliery stone, concretely relates to brown coal breaker.

Background art:

at present, lignite is a kind of soil-like coal, and during the combustion process of lignite, the coal has poor fluidity, high water content and low thermal efficiency, so that it is necessary to granulate the coal for the purposes of removing water and improving fluidity and thermal efficiency. During the granulation process, the raw material lignite needs to be crushed firstly, so that the forming is more compact and the granule strength is better. The existing crushing equipment has the defects of uneven granularity of finished products and poor crushing effect, and simultaneously, the shock absorption effect of parts is poor and the maintenance cost is higher due to the adoption of a physical crushing mode.

The utility model has the following contents:

the utility model aims at overcoming the defects existing in the prior art and providing the brown coal crusher.

The utility model discloses a brown coal crusher comprises casing, rotor and hitting the board, the casing be lower open-ended hollow structure, the top of casing is equipped with the feed inlet, the inside of casing is equipped with the rotor, the rotor comprises driven shaft hammer carrier and tup, the inside of casing is equipped with the driven shaft, the driven shaft is driven by the motor through the belt, the driven shaft on overlap and have the hammer carrier, be equipped with the tup on the hammer carrier, the tup is the cylinder, and the top radius is greater than the bottom radius, the well below of tup is equipped with annular flank; the top of the shell is provided with a front striking plate and a rear striking plate, the distance between the front striking plate and the feed inlet is smaller than the distance between the rear striking plate and the feed inlet, the back parts of the front striking plate and the rear striking plate are provided with buffer devices, and the surfaces of the front striking plate and the rear striking plate are provided with wave-shaped plates.

As a further improvement, a material guide plate is arranged below the feed inlet.

As a further improvement of the utility model, buffer comprises screw rod, spring and nut, and the top of casing is equipped with the fixed column, and the screw rod passes fixedly, and the top of screw rod has revolved the nut, and the cover has the spring on the screw rod, and the bottom of screw rod has been connected and has been hit the board before or hit the board after.

As a further improvement of the utility model, the hammer carrier is detachably connected with the hammer head.

The utility model discloses a brown coal breaker, the finished product granularity is even, and its tup design and wave type board design to a great extent have increased the broken route of raw materials brown coal, and crushing effect is better, hits the board before simultaneously and hits the board after with and all set up buffer, has prolonged the preceding life who hits the board and hit the board after with, has reduced cost of maintenance.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a shell 1, a hammer frame 2, a feeding hole 3, a driven shaft 4, a belt 5, a motor 6, a hammer 7, a front striking plate 8, a rear striking plate 9, a wave-shaped plate 10, a material guide plate 11, a screw rod 12, a spring 13, a screw cap 14, a fixed column 15 and an annular side wing 16.

The specific implementation mode is as follows:

the utility model discloses a brown coal crusher, by casing 1, rotor and hit the board to constitute, casing 1 be lower open-ended hollow structure, the top of casing 1 is equipped with feed inlet 3, the below of feed inlet 3 is equipped with stock guide 11, makes the brown coal raw materials can directly fall into the position of tup 7; the rotor is arranged in the shell 1 and consists of a driven shaft 4, a hammer frame 2 and a hammer 7, the driven wheel 4 is arranged in the shell 1, the driven wheel 4 penetrates through the shell 1, two ends of the driven wheel 4 are respectively positioned on the inner side and the outer side of the shell 1, the outer side of the driven shaft 4 is driven by a motor 6 through a belt 5, the hammer frame 2 is sleeved on the inner side of the driven shaft 4, the hammer 7 is arranged on the hammer frame 2, the hammer frame 2 is detachably connected with the hammer 7, and the size of the hammer 7 can be changed according to different raw materials; the hammer head 7 is a cylinder, the radius of the top part of the hammer head is larger than that of the bottom part of the hammer head, and the hammer head 7 is heavy and light, so that the inertia of the hammer head 7 can be increased, and the hammer head can smoothly rotate while receiving power; an annular side wing 16 is arranged below the middle part of the hammer head 7, the annular side wing 16 increases the contact area between the raw material lignite and the hammer head 7, increases the crushing probability of the raw material lignite, and improves the crushing effect; the top of casing 1 is equipped with preceding board 8 and the board 9 of hitting behind, the distance between preceding board 8 and the feed inlet 3 of hitting is less than the distance between board 9 and the feed inlet 3 of hitting behind, hit board 8 and the board 9 tandem behind preceding promptly, the probability that the raw materials brown coal that has increased by the bounce receives the counterattack, preceding board 8 and the back of hitting behind board 9 of hitting is equipped with buffer, preceding board 8 and the board 9 of hitting behind are equipped with unrestrained board 10 on hitting, the surface of unrestrained board is the zigzag design, it is better to make the raw materials brown coal meet the sawtooth fragmentation nature during the bounce.

The buffer device is composed of a screw 12, a spring 13 and a nut 14, the top of the shell 1 is provided with a fixed column 15, the screw 12 penetrates through the fixed column 15, the nut 14 is screwed at the top of the screw 12, the spring 13 is sleeved on the screw 12, and the bottom of the screw 12 is connected with the front striking plate 8 or the rear striking plate 9, so that the front striking plate 8 or the rear striking plate 9 can play a role in buffering by the spring after being impacted.

When the electric motor works, the motor 6 drives the driven shaft 4 of the rotor to rotate through the belt 5 to enter a working state. After sliding into the shell 1 through the material guide plate 11, the raw material coal is beaten by the hammer 7 rotating at a high speed to be crushed and fly to the front impact plate 8 or the rear impact plate 9, and the coal crushed again by the impact of the front impact plate 8 or the rear impact plate 9 is impacted by the coal flying subsequently in the rebounding process to be crushed again. Under the repeated action of the four impact surfaces with different angles, the impact surfaces finally fall down from the gap between the hammer 7 of the rotor and the impact plate, and the whole crushing process is completed.

Claims

1. The lignite crusher is composed of a shell (1), a rotor and a striking plate and is characterized in that the shell (1) is of a hollow structure with a lower opening, a feeding hole (3) is formed in the top of the shell (1), the rotor is arranged in the shell (1), the rotor is composed of a driven shaft (4), a hammer frame (2) and a hammer head (7), the driven shaft (4) is arranged in the shell (1), the driven shaft (4) is driven by a motor (6) through a belt (5), the hammer frame (2) is sleeved on the driven shaft (4), the hammer head (7) is arranged on the hammer frame (2), the hammer head (7) is a cylinder, the radius of the top of the cylinder is larger than that of the bottom of the cylinder, and an annular side wing (16) is arranged below the hammer head (7); the top of the shell (1) is provided with a front striking plate (8) and a rear striking plate (9), the distance between the front striking plate (8) and the feed inlet (3) is smaller than the distance between the rear striking plate (9) and the feed inlet (3), the backs of the front striking plate (8) and the rear striking plate (9) are provided with buffer devices, and the surfaces of the front striking plate (8) and the rear striking plate (9) are provided with wave-shaped plates (10).

2. Lignite crusher according to claim 1, characterized in that a material guide plate (11) is provided below the feed inlet (3).

3. The lignite crusher according to claim 1, characterized in that the buffering device is composed of a screw rod (12), a spring (13) and a nut (14), the top of the shell (1) is provided with a fixed column (15), the screw rod (12) penetrates through the fixed column (15), the nut (14) is screwed on the top of the screw rod (12), the spring (13) is sleeved on the screw rod (12), and the bottom of the screw rod (12) is connected with the front striking plate (8) or the rear striking plate (9).

4. Lignite crusher according to claim 1, characterized in that the hammer carrier (2) is detachably connected to the hammer head (7).