CN215169969U

CN215169969U - Coal mining device in coal mine

Info

Publication number: CN215169969U
Application number: CN202121674488.8U
Authority: CN
Inventors: 宋方贵; 曹世利; 温明宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-14
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to a coal mining device technical field discloses a colliery is coal mining device in pit, including the drive chamber of coal mining support arm and coal mining support arm one end setting, the drive chamber inner chamber coupling has coal mining wheel, coal mining wheel one side is provided with first rotation axis, coal mining wheel inner chamber is provided with flexible groove, flexible inslot chamber is provided with the impact post, the impact post surface is provided with the baffle, be provided with first reset spring between baffle one side and the flexible groove, impact post one end is provided with the kicking block, thereby make the impact post can constantly strike the coal seam, make coal mining wheel in rotatory coal mining, the auxiliary impact of impact post.

Description

Coal mining device in coal mine

Technical Field

The utility model relates to a coal mining device technical field specifically is a colliery is coal mining device in pit.

Background

A coal mining machine is one of main devices of fully mechanized mining complete equipment. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, the whole coal mining work can be interrupted if a fault occurs, huge economic loss is caused, and coal mining is carried out on a coal bed through rotation of a coal mining wheel during coal mining.

However, when the existing coal mining device is used for mining coal, the coal mining wheel continuously rotates to mine the coal seam, and because some coal seams are hard, the coal mining wheel can only mine through continuous rotation, and cannot impact and assist in mining the coal seam when the coal mining wheel rotates to mine, so that the mining efficiency is influenced.

The problems described above are addressed. Therefore, the underground coal mining device for the coal mine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery is coal mining device in pit, when the coal mining wheel is rotatory to be carried out the coal mining, the rotatory first gear that drives the surface setting of coal mining wheel, drive the second gear that the meshing of below is connected after the first gear is rotatory, drive the first toper tooth that one side set up through the second rotation axis after the second gear is rotatory, first toper tooth rotation drives second toper tooth, second toper tooth makes the rotary disk rotate, the rotary disk is rotatory after rotatory through the reciprocal second piston piece that promotes of connecting rod, second piston piece makes the continuous reciprocating motion of first piston piece, thereby make first piston piece constantly strike the kicking block, thereby make the shock column constantly strike the coal seam, make coal mining wheel in rotatory coal mining, the supplementary impact of shock column, thereby the problem in the above-mentioned background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a colliery is coal mining device in pit, includes the drive chamber that coal mining support arm and coal mining support arm one end set up, and the drive chamber inner chamber coupling has coal mining wheel, coal mining wheel one side is provided with first rotation axis, and coal mining wheel inner chamber is provided with flexible groove, and flexible inslot inner chamber is provided with the impact post, and the impact post surface is provided with the baffle, is provided with first reset spring between baffle one side and the flexible groove, and impact post one end is provided with the impact piece.

Preferably, a first gear is arranged on one side of the outer surface of the first rotating shaft, a second gear is meshed and connected to the lower portion of the first gear, a second rotating shaft is arranged on one side of the second gear, a first conical tooth is arranged at one end of the second rotating shaft, a second conical tooth is meshed and connected to the upper end of the first conical tooth, a rotating disk is arranged at the upper end of the second conical tooth, a connecting rod is connected to the upper end of the rotating disk in a shaft coupling mode, and a chain driving wheel is arranged on the outer surface of the first rotating shaft.

Preferably, a piston cylinder is arranged in the inner cavity of the driving chamber, a first piston block is arranged in the inner cavity of the piston cylinder, a second piston block is arranged on one side of the first piston block, and one side of the second piston block is coupled with one end of a connecting rod.

Preferably, an opening at one end of the piston cylinder is sleeved on the outer surface of the impact block.

Preferably, an impact head is arranged on one side of the impact column, a push rod is arranged on one side of the impact head, and a second return spring is arranged on one side of the push rod.

Preferably, the diameter of one end of the push rod is smaller than that of the tail end of the push rod, and the push rod is of a circular truncated cone-shaped structure.

Preferably, the outer surface of the impact column is provided with a third telescopic hole, the wall of the inner cavity of the third telescopic hole is provided with a sliding groove, the inner cavity of the third telescopic hole is provided with a mandril in a sliding manner, and the outer surface of the mandril is provided with a sliding block.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a colliery is coal mining device in pit, when the coal mining wheel is rotatory to be mined, the coal mining wheel is rotatory to drive the first gear that the surface set up, drive the second gear that meshing connection in below after the first gear is rotatory, drive the first toper tooth that one side set up through the second rotation axis after the second gear is rotatory, first toper tooth is rotatory to drive second toper tooth, second toper tooth makes the rotary disk rotate, promote the second piston block through the connecting rod is reciprocal after the rotary disk is rotatory, the second piston block makes first piston block constantly reciprocating motion, thereby make first piston block constantly strike the impact block, thereby make the impact column constantly strike the coal seam, make the coal mining wheel when rotatory mining, the impact column assists the impact;

2. the utility model provides a colliery is coal mining device in pit, when the strike post strikes the coal seam, the striking head atress returns and contracts to make push rod reverse movement, after the push rod reverse movement, the surface of slope form makes the ejector pin can outwards stretch out and draw back, thereby makes the ejector pin constantly promote the coal seam, makes coal mining efficiency higher.

Drawings

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

fig. 2 is a schematic view of the internal structure of the driving chamber of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the internal structure of the impact column of the present invention.

In the figure: 1. a coal mining support arm; 2. a drive chamber; 3. a coal mining wheel; 31. a first rotating shaft; 311. a telescopic groove; 312. an impact column; 3121. a striking head; 3122. a third telescopic hole; 3123. a top rod; 3124. a push rod; 3125. a second return spring; 3126. a chute; 3127. a slider; 313. a baffle plate; 314. a first return spring; 315. an impact block; 316. a chain drive wheel; 32. a first gear; 33. a second gear; 34. a second rotation shaft; 35. a first conical tooth; 36. a second tapered tooth; 37. rotating the disc; 38. a connecting rod; 39. a piston cylinder; 391. a first piston block; 392. a second piston block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the coal mining device for the underground coal mine comprises a coal mining support arm 1 and a driving chamber 2 arranged at one end of the coal mining support arm 1, wherein a coal mining wheel 3 is connected to the inner cavity of the driving chamber 2 through a shaft.

Referring to fig. 2, a first rotating shaft 31 is arranged on one side of a coal mining wheel 3, an expansion slot 311 is arranged in an inner cavity of the coal mining wheel 3, an impact column 312 is arranged in an inner cavity of the expansion slot 311, a baffle 313 is arranged on the outer surface of the impact column 312, a first return spring 314 is arranged between one side of the baffle 313 and the expansion slot 311, an impact block 315 is arranged at one end of the impact column 312, a first gear 32 is arranged on one side of the outer surface of the first rotating shaft 31, a second gear 33 is connected below the first gear 32 in a meshing manner, a second rotating shaft 34 is arranged on one side of the second gear 33, a first tapered tooth 35 is arranged at one end of the second rotating shaft 34, a second tapered tooth 36 is connected at the upper end of the first tapered tooth 35 in a meshing manner, a rotating disc 37 is arranged at the upper end of the second tapered tooth 36, a connecting rod 38 is journalled at the upper end of the rotating disc 37, and a chain driving wheel 316 is arranged on the outer surface of the first rotating shaft 31.

A piston cylinder 39 is arranged in the inner cavity of the driving chamber 2, an opening at one end of the piston cylinder 39 is sleeved on the outer surface of the impact block 315, a first piston block 391 is arranged in the inner cavity of the piston cylinder 39, a second piston block 392 is arranged at one side of the first piston block 391, one side of the second piston block 392 is coupled with one end of a connecting rod 38 in a shaft joint manner, when the coal mining wheel 3 rotates to mine coal, the coal mining wheel 3 rotates to drive a first gear 32 arranged on the outer surface, the first gear 32 rotates to drive a second gear 33 connected with the lower part in a meshing manner, the second gear 33 rotates to drive a first conical tooth 35 arranged at one side through a second rotating shaft 34, the first conical tooth 35 rotates to drive a second conical tooth 36, the second conical tooth 36 enables a rotating disk 37 to rotate, the rotating disk 37 rotates to push the second piston block 392 in a reciprocating manner through the connecting rod 38, the second piston block 392 enables the first piston block 391 to continuously reciprocate, so that the first piston block 391 can knock the impact block 315 continuously, therefore, the impact columns 312 can continuously impact the coal seam, and the impact columns 312 assist impact while the coal mining wheels 3 rotatably mine coal.

Referring to fig. 3-4, a striking head 3121 is disposed on one side of the striking column 312, a push rod 3124 is disposed on one side of the striking head 3121, a second return spring 3125 is disposed on one side of the push rod 3124, a diameter of one end of the push rod 3124 is smaller than a diameter of a tail end of the push rod 3124, the striking column 312 is provided with a third telescopic hole 3122 on an outer surface thereof, a sliding groove 3126 is formed in an inner cavity wall of the third telescopic hole 3122, a push rod 3123 is slidably disposed in an inner cavity of the third telescopic hole 3122, a sliding block 3127 is disposed on an outer surface of the push rod 3123, when the striking column 312 strikes a coal seam, the striking head 3121 retracts under a force, so that the push rod 3124 moves in a reverse direction, and after the push rod 3124 moves in the reverse direction, the inclined outer surface enables the push rod 3123 to extend and retract, so that the push rod 3123 can push the coal seam continuously, thereby increasing coal mining efficiency.

The working principle is as follows: when the coal mining wheel 3 rotates to mine coal, the coal mining wheel 3 rotates to drive the first gear 32 arranged on the outer surface, the first gear 32 rotates to drive the second gear 33 meshed with the lower part, the second gear 33 rotates to drive the first conical tooth 35 arranged on one side through the second rotating shaft 34, the first conical tooth 35 rotates to drive the second conical tooth 36, the rotating disc 37 rotates due to the second conical tooth 36, the rotating disc 37 rotates to push the second piston block 392 in a reciprocating manner through the connecting rod 38, the first piston block 391 continuously moves in a reciprocating manner due to the second piston block 392, so that the first piston block 391 can continuously knock the impact block 315, the impact column 312 can continuously impact the coal bed, the impact column 312 assists in impacting the coal bed when the coal mining wheel 3 rotates to mine coal, the impact head 3121 retracts due to force when the impact column 312 impacts the coal bed, so that the push rod 3124 reversely moves, and the push rod 3124 reversely moves, the inclined outer surface enables the ejector pin 3123 to stretch outwards, so that the ejector pin 3123 can continuously push the coal seam, and the coal mining efficiency is higher.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a colliery is coal mining device in pit, includes drive chamber (2) that coal mining support arm (1) and coal mining support arm (1) one end set up, and drive chamber (2) inner chamber hub connection has coal mining wheel (3), its characterized in that: a first rotating shaft (31) is arranged on one side of the coal mining wheel (3), a telescopic groove (311) is formed in the inner cavity of the coal mining wheel (3), an impact column (312) is arranged in the inner cavity of the telescopic groove (311), a baffle (313) is arranged on the outer surface of the impact column (312), a first reset spring (314) is arranged between one side of the baffle (313) and the telescopic groove (311), and an impact block (315) is arranged at one end of the impact column (312).

2. The coal mine underground coal mining device according to claim 1, characterized in that: first gear (32) are arranged on one side of the outer surface of first rotating shaft (31), second gear (33) is connected to the lower portion of first gear (32) in a meshed mode, second rotating shaft (34) is arranged on one side of second gear (33), first conical teeth (35) are arranged at one end of second rotating shaft (34), second conical teeth (36) are connected to the upper end of first conical teeth (35) in a meshed mode, rotating disc (37) is arranged at the upper end of second conical teeth (36), connecting rod (38) is connected to the upper end of rotating disc (37) in a shaft mode, and chain driving wheels (316) are arranged on the outer surface of first rotating shaft (31).

3. The coal mine underground coal mining device according to claim 2, characterized in that: the inner cavity of the driving chamber (2) is provided with a piston cylinder (39), the inner cavity of the piston cylinder (39) is provided with a first piston block (391), one side of the first piston block (391) is provided with a second piston block (392), and one side of the second piston block (392) is in shaft connection with one end of a connecting rod (38).

4. A coal mine underground coal mining device according to claim 3, characterized in that: an opening at one end of the piston cylinder (39) is sleeved on the outer surface of the impact block (315).

5. The coal mine underground coal mining device according to claim 1, characterized in that: the impact column (312) is provided with an impact head (3121) on one side, a push rod (3124) is arranged on one side of the impact head (3121), and a second return spring (3125) is arranged on one side of the push rod (3124).

6. The coal mine underground coal mining device according to claim 5, characterized in that: one end of the push rod (3124) is smaller than the tail end diameter, and is in a round table structure.

7. The coal mine underground coal mining device according to claim 4, characterized in that: the outer surface of the impact column (312) is provided with a third telescopic hole (3122), the inner cavity wall of the third telescopic hole (3122) is provided with a sliding groove (3126), the inner cavity of the third telescopic hole (3122) is provided with a push rod (3123) in a sliding manner, and the outer surface of the push rod (3123) is provided with a sliding block (3127).