CN210660074U

CN210660074U - Chain wheel assembly for coal mining machine

Info

Publication number: CN210660074U
Application number: CN201921340614.9U
Authority: CN
Inventors: 孔岸
Original assignee: Shaanxi Heli Machinery Engineering Co ltd
Current assignee: Shaanxi Heli Machinery Engineering Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-02
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a sprocket assembly for coal-winning machine, including cutting year wheel and cutting year roller, the outside of cutting year wheel is provided with the pick, one side of pick is equipped with broken tooth fixing base, the inboard embedding of broken tooth fixing base has broken tooth, the inside of cutting year roller is equipped with the roller, the inboard embedding of roller has the transmission shaft, the outside of roller is equipped with the cutting piece, the outside nestification of transmission shaft has the gear, the outside of cutting piece is equipped with the pawl mount pad, the inboard embedding of pawl mount pad has the pawl, and cut year roller and set up between the adjacent cutting year wheel, compare with current coal-winning machine sprocket, have and to change broken tooth, advantages such as reduce cost and work efficiency height.

Description

Chain wheel assembly for coal mining machine

Technical Field

The utility model relates to a coal-winning machine technical field specifically says to a sprocket assembly for coal-winning machine.

Background

The coal mining machine is one of main devices of fully mechanized mining complete equipment, is developed and evolved from a coal cutter, is a large-scale complex system integrating machinery, electricity and hydraulic pressure, is severe in working environment, can cause interruption of the whole coal mining work if a fault occurs, and can cause huge economic loss, is one of important devices for realizing mechanization and modernization of coal mine production, wherein a chain wheel is an important part of the coal mining machine, and is mainly used for collecting coal mines by using a cutting and loading part of the coal mining machine.

However, analysis shows that the crushing teeth and the cutting teeth in the existing chain wheel assembly for the coal mining machine are integrally formed, the crushing teeth cannot be independently replaced after being worn or broken, the whole chain wheel needs to be replaced, the distance between the chain wheels is small, the contact surface between the coal mining machine and a coal mine is limited, and the coal mining efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned not enough, the utility model provides a sprocket assembly for coal-winning machine herein has and to change broken tooth, advantages such as reduce cost and work efficiency height.

The utility model discloses a realize like this, construct a sprocket assembly for coal-winning machine, including cutting year wheel and cutting year roller, the outside of cutting year wheel is provided with the pick, and one side of pick is equipped with broken tooth fixing base, and the inboard embedding of broken tooth fixing base has broken tooth, and the inside of cutting year roller is equipped with the roller, and the inboard embedding of roller has the transmission shaft, and the outside of roller is equipped with cuts the piece, and the outside nestification of transmission shaft has the gear, and the outside of cutting the piece is equipped with the pawl mount pad, and the inboard embedding of pawl mount pad has the pawl, and cuts year roller and set up between the adjacent year wheel of cutting.

Further, cut year wheel, pick and broken tooth fixing base integrated into one piece, broken tooth passes through the inboard that the screw thread was fixed in broken tooth fixing base, cuts the year wheel through rotating and enables to cut year wheel and drive the pick and rotate, and the pick rotation can drive the broken tooth that is fixed in inside broken tooth fixing base and rotate, makes broken tooth can decompose the colliery, and in addition, broken tooth passes through threaded connection with broken tooth fixing base to broken tooth can be changed alone, the cost is effectively reduced.

Furthermore, the cutting blade is welded on the outer side of the roller in a spiral shape, the thicknesses of two ends of the cutting blade are different, the section of the thick end of the cutting blade is in a knife shape, the section of the narrow end of the cutting blade is in a rectangular shape, the thicknesses of the two sections of the cutting blade are gradually reduced, and the thick end of the cutting blade is in a knife shape, so that the coal mine which is preliminarily decomposed by the cutting and loading wheel can be effectively scraped.

Furthermore, the inverted tooth mounting seat and the cutting piece are integrally formed, and the inverted tooth mounting seat is connected with the inverted tooth through threads.

Further, the gear is welded in the outside at transmission shaft both ends, and transmission shaft and roller integrated into one piece, and the gear is rotated, and the gear passes through the transmission shaft and drives to cut year wheel and cut year roller and rotate, owing to cut to have added between year wheel and cut year roller to increased the contact surface of sprocket with the colliery, improved coal mining efficiency.

The utility model discloses an improve and provide a sprocket assembly for coal-winning machine here, compare with the present sprocket assembly for coal-winning machine, have following advantage: have and to change broken tooth, advantage such as reduce cost and work efficiency height specifically embodies:

the method has the advantages that: cut the year wheel through rotating and enable to cut and carry the wheel and drive the pick and rotate, the pick rotates and can drive and be fixed in the inside broken tooth of broken tooth fixing base and rotate, makes broken tooth can decompose the colliery, and in addition, broken tooth passes through threaded connection with broken tooth fixing base to broken tooth can be changed alone, has effectively reduced the cost

The method has the advantages that: the thickness of two ends of the cutting blade is different, the thick end section is in a knife shape, the narrow end section is in a rectangular shape, the cutting blade is designed into two sections, the thickness is gradually reduced, the thick end is in a knife shape, the coal mine which is preliminarily decomposed by the cutting load wheel can be effectively scraped, the gear is rotated, the gear drives the cutting load wheel and the cutting load roller to rotate through the transmission shaft, and the cutting load roller is added between the cutting load wheels, so that the contact surface of the chain wheel and the coal mine is increased, and the coal mining efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a sprocket assembly for a coal mining machine according to the present invention;

FIG. 2 is a schematic view of a cutting and loading wheel structure of the sprocket assembly for a coal mining machine according to the present invention;

fig. 3 is a schematic view of the cutting and loading roller structure of the sprocket assembly for coal mining machine of the present invention.

Sequence numbers shown in the figures: the cutting load wheel 1, the cutting load roller 2, the cutting pick 11, the crushing teeth 12, the crushing teeth fixing seat 13, the roller 21, the transmission shaft 22, the cutting piece 23, the inverted teeth 24, the inverted teeth mounting seat 25 and the gear 26.

Detailed Description

The present invention will be described in detail below with reference to the attached drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention; furthermore, the terms "first," "second," "third," "upper, lower, left, right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a sprocket assembly for coal mining machine through the improvement here, as shown in the description attached drawing, can be implemented as follows; including cutting year wheel 1 and cutting year roller 2, the outside of cutting year wheel 1 is provided with pick 11, one side of pick 11 is equipped with broken tooth fixing base 13, the inboard embedding of broken tooth fixing base 13 has broken tooth 12, the inside of cutting year roller 2 is equipped with roller 21, the inboard embedding of roller 21 has transmission shaft 22, the outside of roller 21 is equipped with cuts piece 23, transmission shaft 22's the outside nestification has gear 26, the outside of cutting piece 23 is equipped with pawl mount pad 25, pawl mount pad 25's inboard embedding has pawl 24, and cut year roller 2 and set up adjacent cutting year between the wheel 1.

More specifically, cut year wheel 1, pick 11 and broken tooth fixing base 13 integrated into one piece, broken tooth 12 passes through the inboard that the screw thread was fixed in broken tooth fixing base 13, cut year wheel 1 through rotating and enable to cut year wheel 1 and drive pick 11 and rotate, pick 11 rotates and can drive the broken tooth 12 that is fixed in inside broken tooth fixing base 13 and rotate, make broken tooth 12 can decompose the colliery, in addition, broken tooth 12 passes through threaded connection with broken tooth fixing base 13, thereby broken tooth 13 can be changed alone, and the cost is effectively reduced.

More specifically, the cutting blade 23 is welded to the outer side of the roller 21 in a spiral shape, the thicknesses of two ends of the cutting blade 23 are different, the section of the thick end is knife-shaped, the section of the narrow end is rectangular, the thickness of the cutting blade 23 is designed to gradually decrease in two sections, and the thick end is knife-shaped, so that the coal mine primarily decomposed by the cutting wheel 1 can be effectively scraped.

More specifically, the inverted tooth mount 25 is integrally formed with the cutting blade 23, and the inverted tooth mount 25 and the inverted tooth 24 are screwed together.

More specifically, the gear 26 is welded on the outer sides of two ends of the transmission shaft 22, the transmission shaft 22 and the roller 21 are integrally formed, the gear 26 is rotated, the gear 26 drives the cutting load wheel 1 and the cutting load roller 21 to rotate through the transmission shaft 22, and the cutting load roller 21 is added between the cutting load wheel 1, so that the contact surface of a chain wheel and a coal mine is increased, and the coal mining efficiency is improved.

The working principle of the chain wheel assembly for the coal mining machine is as follows: weld in the gear 26 at transmission shaft 22 both ends through rotating, make transmission shaft 22 drive respectively cut and carry a round 1 and cut a year roller 2 and rotate, rotate and cut and carry a round 1 and enable to cut and carry a round 1 and drive pick 11 and rotate, pick 11 can rotate and drive the broken tooth 12 that is fixed in inside broken tooth fixing base 13 and rotate, make broken tooth 12 can decompose the colliery, cut and carry roller 2 pivoted and drive the piece 23 rotation of cutting simultaneously, the piece 23 pivoted drives the pawl 24 and scrapes the colliery after cutting and carrying a round 1 preliminary decomposition simultaneously.

In conclusion; a sprocket assembly for coal-winning machine compares with the present sprocket assembly for coal-winning machine, has and to change broken tooth, advantages such as reduce cost and work efficiency height.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a sprocket assembly for coal-winning machine, carries wheel (1) and cuts year roller (2) including cutting, its characterized in that: the outside of cutting year wheel (1) is provided with pick (11), one side of pick (11) is equipped with broken tooth fixing base (13), the inboard embedding of broken tooth fixing base (13) has broken tooth (12), the inside of cutting year roller (2) is equipped with roller (21), the inboard embedding of roller (21) has the outside of transmission shaft (22), roller (21) to be equipped with cuts piece (23), the outside nestification of transmission shaft (22) has gear (26), the outside of cutting piece (23) is equipped with pawl mount pad (25), the inboard embedding of pawl mount pad (25) has pawl (24), just it sets up between adjacent cutting year wheel (1) to cut year roller (2).

2. The sprocket assembly for a shearer loader as set forth in claim 1, wherein: the cutting load wheel (1), the cutting pick (11) and the crushing tooth fixing seat (13) are integrally formed, and the crushing tooth (12) is fixed on the inner side of the crushing tooth fixing seat (13) through threads.

3. The sprocket assembly for a shearer loader as set forth in claim 1, wherein: the cutting piece (23) is welded on the outer side of the roller (21) in a spiral shape, the thicknesses of two ends of the cutting piece (23) are different, the section of the thick end is knife-shaped, and the section of the narrow end is rectangular.

4. The sprocket assembly for a shearer loader as set forth in claim 1, wherein: the inverted tooth mounting seat (25) and the cutting piece (23) are integrally formed, and the inverted tooth mounting seat (25) is connected with the inverted tooth (24) through threads.

5. The sprocket assembly for a shearer loader as set forth in claim 1, wherein: the gear (26) is welded on the outer sides of two ends of the transmission shaft (22), and the transmission shaft (22) and the roller (21) are integrally formed.