CN202073563U - Coal cutting mechanism of coal mining machine for thin coal seam - Google Patents
Coal cutting mechanism of coal mining machine for thin coal seam Download PDFInfo
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- CN202073563U CN202073563U CN2011201989588U CN201120198958U CN202073563U CN 202073563 U CN202073563 U CN 202073563U CN 2011201989588 U CN2011201989588 U CN 2011201989588U CN 201120198958 U CN201120198958 U CN 201120198958U CN 202073563 U CN202073563 U CN 202073563U
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Abstract
A coal cutting mechanism of a coal mining machine for a thin seam relates to the coal cutting mechanism and aims at solving a problem that the thin coal seam is abandoned severely caused by low productivity of the existing coal mining machine for the thin coal seam. A spindle is connected with the output end of a third hydraulic motor, a first gear box is fixedly connected with the spindle, the spindle is connected with a rotary drum in rotating mode, the rotary drum is fixedly arranged in a main support, the third hydraulic motor is arranged on the main support, a second hydraulic motor is arranged at the bottom of the first gear box, and an output shaft of the second hydraulic motor is connected with a first driving gear shaft in transmission mode. A first driving gear is arranged on the first driving gear shaft which is arranged on the first gear box, the first driving gear is meshed with first driven gears of second gear boxes at the head ends inside a group of second gear boxes. A third driving gear of each second gear box in the group of the second gear boxes is meshed with the first driven gear of the adjacent second gear box, and each second gear box is connected with the adjacent second gear box in detachable mode. The coaling mining machine is applied to coal mining for the thin coal seam.
Description
Technical field
The utility model relates to a kind of coal cutting mechanism.
Background technology
China's girdle aboundresources accounts for more than 20% of whole recoverable reserves, and distribution is wide, ature of coal is good.But owing to limited by space and mining conditions, output far away from thick and high seam.And the optional type of low seam mining machinery is few, poor reliability, and power is low, and per unit area yield is low, and China's girdle output is reduced year by year, abandons and adopts seriously, and the wasting of resources is big.
The utility model content
The purpose of this utility model provides a kind of coal cutting mechanism that is used for low seam mining machinery, and is low to solve present low seam mining machinery per unit area yield, causes girdle to be abandoned and adopts serious problem.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: described coal cutting mechanism comprises main support, main shaft and the 3rd hydraulic motor, described coal cutting mechanism also comprises Rocker arm assembly, described Rocker arm assembly comprises second hydraulic motor, first gear-box, first driving gear shaft, first driving gear, one group of second gear-box, a plurality of cutter heads, a plurality of power-assisted hydraulic motors, a plurality of first bevel gears, a plurality of a pair of bevel gears and a plurality of ground running roller, each second gear-box comprises first driven gear, the first passive tooth wheel shaft, the 3rd driving gear, the 3rd driving gear shaft, cylinder and many to gear train
From first to last be provided with first driven gear in each second gear-box successively, many to gear train and the 3rd driving gear, first driven gear is contained on the first passive tooth wheel shaft, the tank wall of the first passive tooth wheel shaft and second gear-box is rotationally connected, the 3rd driving gear is contained on the 3rd driving gear shaft, the tank wall of the 3rd driving gear shaft and second gear-box is rotationally connected, every pair of gear train is by second driving gear, second driven gear, second driving gear shaft and the second passive tooth wheel shaft constitute, each second driving gear is contained on second driving gear shaft, outside and the tank wall each second driving gear shaft and second gear-box that the tank wall that second gear-box is all passed at the two ends of each second driving gear shaft is arranged on second gear-box is rotationally connected, first driven gear and many second driving gear engagements to head end in the gear train, many to being positioned at the engagement of second terminal driven gear and the 3rd driving gear in the gear train, on one end of each second driving gear shaft cutter head is housed, cutter head is arranged on the outside of second gear-box and cutter head and second driving gear shaft and removably connects, each second driven gear is contained on the second passive tooth wheel shaft, and the outside and tank wall each the second passive tooth wheel shaft and second gear-box that the tank wall that second gear-box is all passed at the two ends of each second passive tooth wheel shaft is arranged on second gear-box is rotationally connected;
Many one second driving gear shaft in the gear train and power-assisted hydraulic motor are in transmission connection, many to any one second driven gear in the gear train and the engagement of first bevel gear, first bevel gear drives the ground running roller by second pair of bevel gear and is in transmission connection, and the ground running roller is located at the bottom of second gear-box;
One end of main shaft is connected with the output of the 3rd hydraulic motor, first gear-box and main shaft are affixed, main shaft and cylinder are rotationally connected, cylinder is packed in the main support, the 3rd hydraulic motor is contained on the main support, second hydraulic motor is contained in the bottom of first gear-box, and second hydraulic motor output shaft and first driving gear shaft are in transmission connection, first driving gear is contained on first driving gear shaft, first driving gear shaft is contained on first gear-box, be positioned at first driven gear engagement of second gear-box of head end in first driving gear and one group of second gear-box, first driven gear engagement of second gear-box that the 3rd driving gear of each second gear-box in one group of second gear-box is adjacent and second gear-box that each second gear-box is adjacent removably connect.
The utlity model has following beneficial effect: on the end of each second driving gear shaft of the utility model cutter head is housed, and removably connect between per two second gear-boxes, resistance is less when affacting the coal seam, easy to use, simple in structure, and the utility model can be exploited the 0.15m-0.4m girdle, and is simple to operate.
Description of drawings
Fig. 1 is an overall structure front view of the present utility model.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, the coal cutting mechanism of present embodiment comprises main support 1, main shaft 2 and the 3rd hydraulic motor 3, described coal cutting mechanism also comprises Rocker arm assembly, described Rocker arm assembly comprises second hydraulic motor 4, first gear-box 5, first driving gear shaft 6, first driving gear 7, one group of second gear-box 8, a plurality of cutter heads 9, a plurality of power-assisted hydraulic motors 10, a plurality of first bevel gears 11, a plurality of a pair of bevel gears 12 and a plurality of ground running roller 13, each second gear-box 8 comprises first driven gear 14, the first passive tooth wheel shaft 15, the 3rd driving gear 16, the 3rd driving gear shaft 17, cylinder 22 and many to gear train
From first to last be provided with first driven gear 14 successively in each second gear-box 8, many to gear train and the 3rd driving gear 16, first driven gear 14 is contained on the first passive tooth wheel shaft 15, the tank wall of the first passive tooth wheel shaft 15 and second gear-box 8 is rotationally connected, the 3rd driving gear 16 is contained on the 3rd driving gear shaft 17, the tank wall of the 3rd driving gear shaft 17 and second gear-box 8 is rotationally connected, every pair of gear train is by second driving gear 18, second driven gear 19, second driving gear shaft 20 and the second passive tooth wheel shaft 21 constitute, each second driving gear 18 is contained on second driving gear shaft 20, outside and the tank wall each second driving gear shaft 20 and second gear-box 8 that the tank wall that second gear-box 8 is all passed at the two ends of each second driving gear shaft 20 is arranged on second gear-box 8 is rotationally connected, first driven gear 14 and many second driving gear, 18 engagements to head end in the gear train, many to being positioned at second terminal driven gear 19 and 16 engagements of the 3rd driving gear in the gear train, on one end of each second driving gear shaft 20 cutter head 9 is housed, cutter head 9 is arranged on the outside of second gear-box 8 and cutter head 9 and second driving gear shaft 20 and removably connects, each second driven gear 19 is contained on the second passive tooth wheel shaft 21, and the outside and tank wall each the second passive tooth wheel shaft 21 and second gear-box 8 that the tank wall that second gear-box 8 is all passed at the two ends of each second passive tooth wheel shaft 21 is arranged on second gear-box 8 is rotationally connected;
Many one second driving gear shaft in the gear train 20 and power-assisted hydraulic motor 10 are in transmission connection, many to any one second driven gear 19 in the gear train and 11 engagements of first bevel gear, first bevel gear 11 drives ground running roller 13 by second pair of bevel gear 12 and is in transmission connection, and ground running roller 13 is located at the bottom of second gear-box 8;
One end of main shaft 2 is connected with the output of the 3rd hydraulic motor 3, first gear-box 5 is affixed with main shaft 2, main shaft 2 is rotationally connected with cylinder 22, cylinder 22 is packed in the main support 1, the 3rd hydraulic motor 3 is contained on the main support 1, second hydraulic motor 4 is contained in the bottom of first gear-box 5, and the output shaft of second hydraulic motor 4 and first driving gear shaft 6 are in transmission connection, first driving gear 7 is contained on first driving gear shaft 6, first driving gear shaft 6 is contained on first gear-box 5, be positioned at first driven gear, 14 engagements of second gear-box 8 of head end in first driving gear 7 and one group of second gear-box 8, first driven gear, 14 engagements of second gear-box 8 that the 3rd driving gear 16 of each second gear-box 8 in one group of second gear-box 8 is adjacent and second gear-box 8 that each second gear-box 8 is adjacent removably connect.
The specific embodiment two: in conjunction with Fig. 1 present embodiment is described, each cutter head 9 of present embodiment is a carbide bit 9.Other compositions and annexation are identical with the specific embodiment one.
Operating principle: during use, the 3rd hydraulic motor 3 drives main shaft 2 and rotates, main shaft 2 drives the Rocker arm assembly swing, second hydraulic motor 4 drives first driving gear shaft 6 and rotates, first driving gear 7 and 14 engagements of first driven gear, and first driven gear 14 is in transmission connection by gear train and the 3rd driving gear 16, thereby second driving gear shaft 20 in the driven gear group rotates, second driving gear shaft 20 drives cutter head 9 and carries out coal cutting, when resistance is big, opens power-assisted hydraulic motor 10.
Claims (2)
1. coal cutting mechanism that is used for low seam mining machinery, described coal cutting mechanism comprises main support (1), main shaft (2) and the 3rd hydraulic motor (3), it is characterized in that described coal cutting mechanism also comprises Rocker arm assembly, described Rocker arm assembly comprises second hydraulic motor (4), first gear-box (5), first driving gear shaft (6), first driving gear (7), one group of second gear-box (8), a plurality of cutter heads (9), a plurality of power-assisted hydraulic motors (10), a plurality of first bevel gears (11), a plurality of a pair of bevel gears (12) and a plurality of ground running roller (13), each second gear-box (8) comprises first driven gear (14), the first passive tooth wheel shaft (15), the 3rd driving gear (16), the 3rd driving gear shaft (17), cylinder (22) and many to gear train
From first to last be provided with first driven gear (14) successively in each second gear-box (8), many to gear train and the 3rd driving gear (16), first driven gear (14) is contained on the first passive tooth wheel shaft (15), the first passive tooth wheel shaft (15) is rotationally connected with the tank wall of second gear-box (8), the 3rd driving gear (16) is contained on the 3rd driving gear shaft (17), the 3rd driving gear shaft (17) is rotationally connected with the tank wall of second gear-box (8), every pair of gear train is by second driving gear (18), second driven gear (19), second driving gear shaft (20) and the second passive tooth wheel shaft (21) constitute, each second driving gear (18) is contained on second driving gear shaft (20), outside and each second driving gear shaft (20) that the tank wall that second gear-box (8) is all passed at the two ends of each second driving gear shaft (20) is arranged on second gear-box (8) is rotationally connected with the tank wall of second gear-box (8), first driven gear (14) and many second driving gear (18) engagements to head end in the gear train, many to being positioned at terminal second driven gear (19) and the 3rd driving gear (16) engagement in the gear train, cutter head (9) is housed on one end of each second driving gear shaft (20), outside and cutter head (9) that cutter head (9) is arranged on second gear-box (8) removably connect with second driving gear shaft (20), each second driven gear (19) is contained on the second passive tooth wheel shaft (21), and outside and each second passive tooth wheel shaft (21) that the tank wall that second gear-box (8) is all passed at the two ends of each second passive tooth wheel shaft (21) is arranged on second gear-box (8) is rotationally connected with the tank wall of second gear-box (8);
Many one second driving gear shaft (20) in the gear train and power-assisted hydraulic motor (10) are in transmission connection, many to any one second driven gear (19) in the gear train and first bevel gear (11) engagement, first bevel gear (11) drives ground running roller 13 by a pair of bevel gear (12) and is in transmission connection, and ground running roller 13 is located at the bottom of second gear-box (8);
One end of main shaft (2) is connected with the output of the 3rd hydraulic motor (3), first gear-box (5) is affixed with main shaft (2), main shaft (2) is rotationally connected with cylinder (22), cylinder (22) is packed in the main support (1), the 3rd hydraulic motor (3) is contained on the main support (1), second hydraulic motor (4) is contained in the bottom of first gear-box (5), and the output shaft of second hydraulic motor (4) and first driving gear shaft (6) are in transmission connection, first driving gear (7) is contained on first driving gear shaft (6), first driving gear shaft (6) is contained on first gear-box (5), be positioned at first driven gear (14) engagement of second gear-box (8) of head end in first driving gear (7) and one group of second gear-box (8), first driven gear (14) engagement of second gear-box (8) that the 3rd driving gear (16) of each second gear-box (8) in one group of second gear-box (8) is adjacent and second gear-box (8) that each second gear-box (8) is adjacent removably connect.
2. according to the described coal cutting mechanism that is used for low seam mining machinery of claim 1, it is characterized in that each cutter head (9) is a carbide bit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201989588U CN202073563U (en) | 2011-06-14 | 2011-06-14 | Coal cutting mechanism of coal mining machine for thin coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201989588U CN202073563U (en) | 2011-06-14 | 2011-06-14 | Coal cutting mechanism of coal mining machine for thin coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202073563U true CN202073563U (en) | 2011-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201989588U Expired - Fee Related CN202073563U (en) | 2011-06-14 | 2011-06-14 | Coal cutting mechanism of coal mining machine for thin coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202073563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742133A (en) * | 2014-02-10 | 2014-04-23 | 刘春生 | Drum type cutting tooth chain transmission shearer cutting part |
-
2011
- 2011-06-14 CN CN2011201989588U patent/CN202073563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742133A (en) * | 2014-02-10 | 2014-04-23 | 刘春生 | Drum type cutting tooth chain transmission shearer cutting part |
| CN103742133B (en) * | 2014-02-10 | 2016-04-27 | 刘春生 | Pick Chain conveyer slicing portion of drum shearer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20120614 |