CN110653056A

CN110653056A - Coal breaker convenient to remove and artifical maintenance

Info

Publication number: CN110653056A
Application number: CN201910938196.1A
Authority: CN
Inventors: 宋娜
Original assignee: Wuxue Chengrunxiang Technology Co Ltd
Current assignee: Wuxue Chengrunxiang Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-01-07

Abstract

The invention discloses a coal crushing device convenient to move and maintain manually, which relates to the technical field of coal crushing and comprises a feeding hole, a crushing chamber and a discharging hole, wherein the feeding hole is arranged at the top of the crushing chamber, the discharging hole is arranged at the bottom of the crushing chamber and corresponds to the feeding hole in position, a first crushing device and a second crushing device are arranged in the crushing chamber, the first crushing device comprises a crushing roller, a buffer arm and a motor, the buffer arm is horizontally arranged on the side wall of the crushing chamber, one end of the buffer arm is arranged on the side wall of the crushing chamber, the crushing roller is arranged at the other end of the buffer arm, the second crushing device is the same as the first crushing device in structure, and the second crushing device and the first crushing device are symmetrically arranged relative to the center of the feeding hole. The coal crusher provided by the invention has the advantages of small vibration during operation, uniform crushing granularity and high crushing efficiency, and has popularization and application values.

Description

Coal breaker convenient to remove and artifical maintenance

Technical Field

The invention relates to the technical field of coal crushing, in particular to a coal crushing device convenient to move and manually maintain.

Background

In the process of coal mining, crushing coal is an indispensable operation link, and raw coal or bituminous coal can be conveyed to the next link for processing and treatment after being crushed. The quality of the finished crushing work determines the remaining reprocessing link and the efficient utilization effect, but the quality of the performance of the crushing device directly determines the material crushing effect. The coal crusher in the prior art has the defects of strong vibration, uneven crushing granularity and low crushing efficiency, the operation effect is difficult to reach an ideal state, the internal condition of the crusher is difficult to observe, the reasonable adjustment and maintenance of the crusher cannot be performed, and the crushing effect is poor finally.

Disclosure of Invention

The invention aims to provide a coal crusher to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a coal crushing device convenient for moving and manual maintenance, which comprises a feed inlet, a crushing chamber and a discharge outlet, the feed inlet is arranged at the top of the crushing chamber, the discharge outlet is arranged at the bottom of the crushing chamber and corresponds to the feed inlet, a first crushing device and a second crushing device are arranged in the crushing chamber, the first crushing device comprises a crushing roller, a buffer arm and a motor, the buffer arm is horizontally arranged on the side wall of the crushing chamber, one end of the buffer arm is arranged on the side wall of the crushing chamber, the crushing roller is arranged at the other end of the buffer arm, the second crushing device has the same structure as the first crushing device, the second crushing device and the first crushing device are symmetrically arranged relative to the center of the feeding hole, a cover plate is arranged on the crushing chamber, a ladder is arranged on the upper outer wall of the crushing chamber, and universal wheels are arranged at the bottoms of the crusher and the conveying belt.

As a further scheme of the invention: the crushing roller comprises a roller body, a crushing cutter set and a rotating shaft, the roller body is arranged on the buffer arm through the rotating shaft, and the crushing cutter set is arranged on the outer wall of the roller body.

As a further scheme of the invention: the crushing cutter group comprises a plurality of groups of crushing cutter arrays arranged in rows along the axial direction of the roller body, and the plurality of groups of crushing cutter arrays are arranged on the outer wall of the roller body at intervals.

As a further scheme of the invention: the crushing cutter array comprises a plurality of crushing cutters, and the cross sections of the crushing cutters are rhombic.

As a further scheme of the invention: the buffer arm comprises a first buffer arm, a second buffer arm and a buffer spring, the first buffer arm is a hollow pipe body, and one end of the second buffer arm is sleeved in the first buffer arm.

As a further scheme of the invention: the buffer spring is characterized in that a first retaining shoulder used for limiting the displacement of the buffer spring is arranged on the outer wall of the first buffer arm, and a second retaining shoulder used for limiting the displacement of the buffer spring is arranged on the outer wall of the second buffer arm.

As a further scheme of the invention: the buffer spring is sleeved on the first buffer arm and is positioned between the first retaining shoulder and the second retaining shoulder.

As a further scheme of the invention: the first buffer arm and the second buffer arm are connected through a limiting ring, and the second buffer arm is sleeved with the limiting block at one end in the first buffer arm.

As a further scheme of the invention: still include the conveyer belt, the conveyer belt sets up discharge gate below. Compared with the prior art

Compared with the prior art, the invention has the beneficial effects that:

according to the coal crusher provided by the invention, coal raw materials enter the crushing chamber from the feeding hole, the first crushing device and the second crushing device crush coal, the crushing roller impacts and extrudes the coal in the rotating process to crush the coal uniformly and efficiently, the buffer arm enables the crushing roller to have a certain moving range, and the vibration of the device is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a coal crusher provided by the present invention.

FIG. 2 is a schematic view of the structure of a crushing roller in the coal crusher of the present invention.

Fig. 3 is a schematic structural diagram of a buffer arm in the coal crusher provided by the invention.

In the figure: the crushing device comprises a feeding hole 1, a crushing chamber 2, a discharging hole 3, a conveying belt 4, a first crushing device 21, a second crushing device 22, a crushing roller 23, a buffer arm 2, a motor 25, a roller body 23, a rotating shaft 232, a crushing cutter array 233, a first buffer arm 241, a second buffer arm 242, a buffer spring 243, a first blocking shoulder 244, a second blocking shoulder 245, a limiting ring 246, a limiting block 247, a cover plate 5, a ladder 6 and a universal wheel 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a coal crushing device convenient for movement and manual maintenance includes a feeding port 1, a crushing chamber 2, and a discharging port 3, the feeding port 1 is disposed at the top of the crushing chamber 2, the discharging port 3 is disposed at the bottom of the crushing chamber 2 and corresponds to the feeding port 1, a first crushing device 21 and a second crushing device 22 are disposed in the crushing chamber 2, the first crushing device 21 includes a crushing roller 23, a buffer arm 24, and a motor 25, the buffer arm 24 is horizontally disposed on a sidewall of the crushing chamber 2, one end of the buffer arm 24 is disposed on the sidewall of the crushing chamber 2, the crushing roller 23 is disposed at the other end of the buffer arm 24, the second crushing device 22 and the first crushing device 21 are identical in structure, and the second crushing device 22 and the first crushing device 21 are symmetrically disposed with respect to the center of the feeding port 1. Coal raw materials enter the crushing chamber 2 from the feeding hole 1, the motor 25 drives the crushing roller 23 to rotate, the rotation direction of the crushing roller 23 of the first crushing device 21 is opposite to that of the crushing roller of the second crushing device 22, the crushing roller 23 of the first crushing device 21 can rotate clockwise and the crushing roller of the second crushing device 22 rotates anticlockwise in actual operation, and then the coal raw materials are impacted and extruded, so that the purpose of crushing coal is achieved; the arrangement of the buffer arm 24 enables the crushing roller 23 to have a certain moving range during operation, and avoids the damage to the crushing roller 23 caused by hard ore possibly mixed in coal raw materials. The crushing roller 23 includes a roller body 231, a crushing cutter unit, and a rotating shaft 232, the roller body 231 is disposed on the buffer arm 24 through the rotating shaft 232, and the crushing cutter unit is disposed on the outer wall of the roller body 231. In this embodiment, the roller 231 rotates, causing the crushing blade set to crush the coal. Roller body 231 is a hollow cylinder. In this embodiment, the roller 231 is a hollow cylinder, which is light in weight and facilitates the rotation thereof. The crushing cutter set comprises a plurality of groups of crushing cutter arrays 233 arranged in rows along the axial direction of the roller body 231, and the plurality of groups of crushing cutter arrays 233 are arranged on the outer wall of the roller body 231 at intervals. In this embodiment, the interval setting of multiunit broken sword battle array 233, it is more abundant to the broken of coal, and broken granularity is more even, and has improved crushing efficiency. The crushing tool arrays 233 comprise a plurality of crushing tools, the section shapes of the crushing tools are rhombus, and the crushing tools of two adjacent crushing tool arrays 233 are arranged at intervals, so that the crushing granularity is more uniform; the cross-sectional shape of broken cutter is the rhombus, and the structure is more stable, and non-deformable has increased crushing roller 23's life. The buffer arm 24 includes a first buffer arm 241, a second buffer arm 242 and a buffer spring 243, the first buffer arm 241 is a hollow tube, and one end of the second buffer arm 242 is sleeved in the first buffer arm 241. In this embodiment, the second buffer arm 242 is sleeved in the first buffer arm 241, and the second buffer arm 242 can move in the first buffer arm 241. The first buffer arm 241 is provided with a first shoulder 244 for limiting the displacement of the buffer spring 243 on the outer wall thereof, and the second buffer arm 242 is provided with a second shoulder 245 for limiting the displacement of the buffer spring 243 on the outer wall thereof. The buffer spring 243 is disposed on the first buffer arm 241 and located between the first stopping shoulder 244 and the second stopping shoulder 245. In the present embodiment, the first and

second shoulders

244 and 245 limit the two ends of the buffer spring 243, so that the buffer spring 243 limits the movement of the second buffer arm 242, and the buffer spring 243 performs a buffering function when the second buffer arm 242 moves in the first buffer arm 241. A limiting ring 246 is arranged at one end of the first buffer arm 241 connected with the second buffer arm 242, and a limiting block 247 is arranged at one end of the second buffer arm 242 sleeved in the first buffer arm 241. In this embodiment, the limiting ring 246 and the limiting block 247 are disposed such that the second buffer arm 242 does not fall off the first buffer arm 241. The conveyer belt 4 is arranged below the discharge port 3. In this embodiment, the coal raw materials fall down from the discharge port 3 after being crushed, the conveyer belt 4 conveys the crushed coal to a specified place and can observe the internal conditions of the crushing chamber 2 at any time through the cover plate 5 and the ladder 6, adjustment is made at any time, and the universal wheels 7 are also convenient to move and save the running waves of workers.

The working principle of the invention is as follows:

when the coal crushing device is used, coal raw materials enter the crushing chamber 2 from the feeding hole 1, the motor 25 drives the crushing roller 23 to rotate, the rotation direction of the crushing roller 23 of the first crushing device 21 is opposite to that of the crushing roller of the second crushing device 22, the crushing roller 23 of the first crushing device 21 rotates clockwise and the crushing roller of the second crushing device 22 rotates anticlockwise in actual operation, and then the coal raw materials are impacted and extruded, so that the purpose of crushing coal is achieved; the arrangement of the buffer arm 24 enables the crushing roller 23 to have a certain moving range during operation, and avoids the damage to the crushing roller 23 caused by hard ore possibly mixed in coal raw materials. The crushing roller 23 includes a roller body 231, a crushing cutter unit, and a rotating shaft 232, the roller body 231 is disposed on the buffer arm 24 through the rotating shaft 232, and the crushing cutter unit is disposed on the outer wall of the roller body 231. In this embodiment, the roller 231 rotates, causing the crushing blade set to crush the coal. On carrying conveyer belt 4 with kibbling coal raw materials through discharge gate 3, appointed place is carried with the coal after the breakage to conveyer belt 4, can observe the inside condition of smashing room 2 at any time through apron 5 and ladder 6 in the operation process, and the universal wheel 7 can the at any time random moving breaker of person of facilitating the use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A coal crushing device convenient for moving and manual maintenance is characterized by comprising a feeding hole (1), a crushing chamber (2) and a discharging hole (3), wherein the feeding hole (1) is arranged at the top of the crushing chamber (2), the discharging hole (3) is arranged at the bottom of the crushing chamber (2) and corresponds to the feeding hole (1), a first crushing device (21) and a second crushing device (22) are arranged in the crushing chamber (2), the first crushing device comprises a crushing roller (23), a buffer arm (24) and a motor (25), the buffer arm (24) is horizontally arranged on the side wall of the crushing chamber (2), one end of the buffer arm (24) is arranged on the side wall of the crushing chamber (2), the crushing roller (23) is arranged at the other end of the buffer arm (24), and the second crushing device (22) has the same structure as the first crushing device (21), the second crushing device (22) and the first crushing device (21) are arranged symmetrically relative to the center of the feeding hole (2), a cover plate (5) is arranged on the crushing chamber (2), a ladder (6) is arranged on the upper outer wall of the crushing chamber (2), and universal wheels (7) are arranged at the bottoms of the crusher and the conveying belt (4).

2. The coal crusher according to claim 1, characterized in that the crushing roller (23) comprises a roller body (231), a crushing cutter set and a rotating shaft (232), the roller body (23) is arranged on the buffer arm (24) through the rotating shaft (232), and the crushing cutter set is arranged on the outer wall of the roller body (23).

3. The coal crusher according to claim 2, characterized in that the crushing cutter set (233) comprises a plurality of groups of crushing cutter arrays (233) arranged in a row along the axial direction of the roller body (23), and the plurality of groups of crushing cutter arrays (233) are arranged on the outer wall of the roller body (23) at intervals.

4. The coal crusher of claim 3, characterized in that the crushing cutter array (233) comprises a plurality of crushing cutters, the crushing cutters having a diamond-shaped cross-sectional shape.

5. The coal crusher according to claim 1, wherein the buffer arm (24) comprises a first buffer arm (241), a second buffer arm (242) and a buffer spring (243), the first buffer arm (241) is a hollow pipe, and one end of the second buffer arm (242) is sleeved in the first buffer arm (241).

6. The coal crusher as claimed in claim 5, wherein a first stop shoulder (244) for limiting the displacement of the buffer spring (243) is arranged on the outer wall of the first buffer arm (241), and a second stop shoulder (245) for limiting the displacement of the buffer spring (243) is arranged on the outer wall of the second buffer arm (242).

7. The coal crusher of claim 7, wherein the damping spring (243) is fitted over the first damping arm (241) between the first catch shoulder (244) and the second catch shoulder (245).

8. The coal crusher according to claim 7, characterized in that a limiting ring (246) is arranged at one end of the first buffer arm (241) connected with the second buffer arm (242), and a limiting block (247) is arranged at one end of the second buffer arm (242) sleeved in the first buffer arm (241).

9. The coal crusher according to claim 1, characterized by further comprising a conveyor belt (4), the conveyor belt (4) being arranged below the discharge opening (3).