CN208996727U - Double-ended shearer for large-mining-height working surface - Google Patents
Double-ended shearer for large-mining-height working surface Download PDFInfo
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- CN208996727U CN208996727U CN201821788031.8U CN201821788031U CN208996727U CN 208996727 U CN208996727 U CN 208996727U CN 201821788031 U CN201821788031 U CN 201821788031U CN 208996727 U CN208996727 U CN 208996727U
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Abstract
The utility model discloses a kind of double-ended shearers, especially disclose a kind of double-ended shearer for large-mining-height working surface, belong to coal mining production technology equipment Design manufacturing technology field.A kind of double-ended shearer for large-mining-height working surface that can be effectively reduced large-mining-height working surface coal wall caving accident and then improve safety production efficiency is provided.The double-ended shearer includes coal-cutting drum and coal owner's body, and the double-ended shearer further includes rocker arrangement, and the coal-cutting drum passes through the movable both ends for being mounted on the coal owner body of rocker arrangement respectively；During long wall surface is mined, the coal-cutting drum can cut to inclined slope on the inside of coal wall under the cooperation of the coal owner body by the rocker arrangement in the middle and upper part of long wall surface coal wall.
Description
Technical field
The utility model relates to a kind of double-ended shearers, more particularly, to a kind of twin-roll for large-mining-height working surface
Coalcutter belongs to coal mining production technology equipment Design manufacturing technology field.
Background technique
With the continuous development of science and technology, the mechanization degree of coal mining is gradually increased, and fully mechanized mining full-seam mining technology obtains
To being widely applied.Using full-seam mining coal-mining technique, the rate of extraction of coal can be greatly improved, dramatically increases mine peace
Full economic benefit.Coalcutter is one of the capital equipment of fully mechanized mining outfit, in longwall mining working face, with operating mechanism coal
It declines from coal body and gets off to be commonly called as brokenly coal and be packed into the coal-cutting machinery that working face conveyor is commonly called as coalingging.Coalcutter is led as setting
Draw speed walking to be commonly called as drawing, enables brokenly coal and process of coalingging continuously carries out.
Coalcutter generally by cutting units, loading part, running part or is tractive unit, motor, operation control system and auxiliary
The part such as device forms.Existing domestic and international double-ended shearer roller is only swung in the up-down direction, and roller is not to coal wall
The function of inner or outer side direction deflection, straight up and down, with the development of coal-mining technique and equipment, mining height is more next for the coal wall cut out
It is higher, 8.8m has been reached at present, in fault tectonic range, roof cracking coal wall soft spot large-mining-height working surface coal wall caving accident
It takes place frequently, causes a large amount of casualties and equipment damage accident, the serious mine safety that restricts efficiently produces.
Utility model content
Large-mining-height working surface coal wall piece can be effectively reduced the technical problem to be solved by the utility model is to provide a kind of
Side accident and then the double-ended shearer for large-mining-height working surface for improving safety production efficiency.
Used technical solution is to solve above-mentioned technical problem: a kind of twin-roll coal mining for large-mining-height working surface
Machine, including coal-cutting drum and coal owner's body, the double-ended shearer further include rocker arrangement, the coal-cutting drum difference
Pass through the movable both ends for being mounted on the coal owner body of the rocker arrangement；During long wall surface is mined, the coal mining
Roller can cut to coal under the cooperation of the coal owner body by the rocker arrangement in the middle and upper part of long wall surface coal wall
Inclined slope on the inside of wall.
Further, rocker arrangement described in each group includes rolling stand, driving mechanism and rotating mounting rack, with
The hinged rolling stand of the rotating mounting rack can be around hinge joint in the same vertical plane under the cooperation of the driving mechanism
Interior rotation, the coal-cutting drum are mounted on the rolling stand；The rocker arrangement is installed by the rotation
Frame can be around the both ends for the installation coal owner body that coal owner's body longitudinal center line rotates；After the slope is by rotation
Coal-cutting drum under the cooperation of the coal owner body cut.
The preferred mode of the above solution is that the driving mechanism includes a hydraulic push rod, the hydraulic push rod is consolidated
Fixed end and the rotating mounting rack are hinged, and the telescopic end of the hydraulic push rod and the middle part of the rolling stand are hinged.
Further, coal owner's body further includes rotation motor, the rocker arrangement is in the rotation motor
It can be rotated around coal owner's body longitudinal center line under the cooperation of the rotary driving force of output.
The preferred mode of the above solution is that rotation motor is additionally provided on the rotating mounting rack, the rocker arm
Device can rotate under the cooperation for the rotary driving force that the rotation motor exports around coal owner's body longitudinal center line.
Further, pick is also equipped on the end face of the free end of the coal-cutting drum, the axial direction of the pick
Center line and the end face have 15~20 ° of angle.
The preferred mode of the above solution is that the pick is also installed in the axial external surface of the coal-cutting drum,
It is mounted on axial appearance of the longitudinal center line perpendicular to the coal-cutting drum of the pick in the axial external surface of the coal-cutting drum
Face.
Further, the double-ended shearer further includes that coal machine cuts deep driving mechanism, coal owner's body is logical
It crosses the deep driving mechanism of the coal machine section to be mounted on the track of external drag conveyor, the double-ended shearer is along coal wall
Each of depth direction is cut deep depth and is determined by the coal machine section deep driving mechanism driving coal owner's body.
Further, the double-ended shearer further includes coal machine operating mechanism, the coal machine cuts deep driving machine
Structure is packed on the coal machine operating mechanism along cutting coal direction is telescopic, and the double-ended shearer passes through the coal
Machine operating mechanism can be moved back and forth along the track.
Further, cutting the slope under rocker arrangement cooperation by the coal-cutting drum is in top chamfer
Type, middle and upper part apsacline or top vertical type add middle and upper part chamfering type.
The beneficial effects of the utility model are: the application by existing by being only capable of in the same vertical plane around hinge joint
The rocking lever rotated upwardly and downwardly is improved to not only rotate upwardly and downwardly in the same vertical plane around hinge joint, but also can be around coal owner's body axis
Then coal-cutting drum is passed through the rocker arrangement respectively and is arranged in the coal owner body by the rocker arrangement rotated to center line
Both ends.In this way, the coal-cutting drum is by the rocker arrangement, in matching for the coal owner body during coal mining
It can cut to inclined slope on the inside of coal wall in the middle and upper part of coal wall under closing.In this way, due in large-mining-height working surface coal
The middle and upper part of wall is provided with large-mining-height working surface coal wall similar to engineering slope there are inclined slope on the inside of oriented coal wall
Stability, to reach reduction or even a possibility that avoid the occurrence of side falling accident, and then improve the safety in production of coal work
Efficiency.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model for the double-ended shearer of large-mining-height working surface；
Fig. 2 is that the utility model relates to the structural schematic diagrams of the coal-cutting drum arrived；
Fig. 3 a~Fig. 3 c be the utility model relates to slope type.
In the figure, it is marked as coal-cutting drum 1, coal owner body 2, rocker arrangement 3, coal wall 4, slope 5, rolling stand 6, driving
Mechanism 7, rotating mounting rack 8, hinge joint 9, coal owner's body longitudinal center line 10, end face 11, pick 12, longitudinal center line 13, coal
Machine cuts deep driving mechanism 14, coal machine operating mechanism 15.
Specific embodiment
It is that provided by the utility model a kind of can effectively reduce large-mining-height as shown in Figure 1, Figure 2 and shown in Fig. 3 a~Fig. 3 c
Make face coal wall caving accident and then improves the double-ended shearer for large-mining-height working surface of safety production efficiency.Described is double
Flitting includes coal-cutting drum 1 and coal owner body 2, and the double-ended shearer further includes rocker arrangement 3, and described adopts
Coal roller 1 passes through the movable both ends for being mounted on the coal owner body 2 of rocker arrangement 3 respectively；Long wall surface coal mining process
In, the coal-cutting drum 1, can be in long wall surface coal wall under the cooperation of the coal owner body 2 by the rocker arrangement 3
Middle and upper part cut to the inclined slope 5 in the inside of coal wall 4.The application by by it is existing be only capable of in the same vertical plane around
The rocking lever that hinge joint 9 rotates upwardly and downwardly is improved to not only rotate upwardly and downwardly in the same vertical plane around hinge joint, but also can be around coal
Then the rocker arrangement 3 that owner's body longitudinal center line 10 rotates is arranged coal-cutting drum 1 by the rocker arrangement 3 respectively
At the both ends of the coal owner body 2.In this way, the coal-cutting drum 1 passes through the rocker arrangement 3 during coal mining,
It can cut to the 4 inclined slope 5 in inside of coal wall in the middle and upper part of coal wall 4 under the cooperation of the coal owner body 2.In this way,
Due to, there are inclined slope on the inside of oriented coal wall, making large-mining-height working surface coal wall in the middle and upper part of large-mining-height working surface coal wall
It is provided with the stability similar to engineering slope, thus a possibility that reaching reduction or even avoiding the occurrence of side falling accident, Jin Erti
The safety production efficiency of high coal work.
In above embodiment, in order to simplify the specific structure of herein described rocker arrangement 3, in order to manufacture, install
And the maintenance maintenance in postorder use, while can realize to greatest extent again and cut out slope 5 in the middle and upper part of coal wall 4, this
Rocker arrangement 3 described in application provide each group includes rolling stand 6, driving mechanism 7 and rotating mounting rack 8, and described
The hinged rolling stand 6 of rotating mounting rack 8 can be around hinge joint 9 in the same vertical plane under the cooperation of the driving mechanism 7
Interior rotation, the coal-cutting drum 1 are mounted on the rolling stand 6；The rocker arrangement 3 is pacified by the rotation
Shelving 8 can be around the both ends for the installation coal owner body 2 that coal owner's body longitudinal center line 10 rotates；The slope 5 is logical
Postrotational coal-cutting drum 1 is crossed to cut under the cooperation of the coal owner body 2.In conjunction with the prior art, driving described herein
Mechanism 7 preferentially uses hydraulic push rod, and the fixing end of the hydraulic push rod and the rotating mounting rack 8 are hinged, and described is hydraulic
The telescopic end of push rod and the middle part of the rolling stand 6 are hinged.And in order to select the generalization and standardization of components, it avoids out
The difficulty of existing dedicated zero buying and manufacture, this Shen will drive rocker arrangement 3 to rotate around coal owner's body longitudinal center line 10
Driving mechanism is selected as rotation motor, and rotation motor at this time can also be either be mounted on the arrangement form on coal owner body 2
The arrangement form being mounted on rotating mounting rack 8.When being arranged on coal owner body 2, the rocker arrangement 3 is in the rotation
It can be rotated around coal owner's body longitudinal center line 10 under the cooperation of the rotary driving force of motor output.When being arranged in the rotation
When on mounting rack 8, the rocker arrangement 3 can be around coal owner under the cooperation for the rotary driving force that the rotation motor exports
Body longitudinal center line 10 rotates.
Further, after rocker arrangement is rotated around coal owner's body longitudinal center line 10, in order to avoid what cutting came out falls
Coal will not be spilled over too far and be unfavorable for coal breakage and be fitted into drag conveyor, on the end face 11 of the free end of the coal-cutting drum
Provided with pick 12, and make the longitudinal center line 13 of the pick 12 and the end face 11 that there is 15~20 ° of angle.When
So, the longitudinal center line for the pick 12 being mounted at this time in the coal-cutting drum axial external surface does not need to tilt, perpendicular to adopting
The installation of coal roller axial external surface.In this way, cutting out oblique under the rocker arrangement 3 cooperation by the coal-cutting drum 1
Slope surface 5 adds middle and upper part chamfering type in top chamfer type, middle and upper part apsacline or top vertical type.
At the same time, double-ended shearer described herein equally also includes that coal machine cuts deep driving mechanism 14 and coal machine fortune
Row mechanism 15, the coal owner body 2 cut deep the matching in the coal machine operating mechanism 15 of driving mechanism 14 by the coal machine
It is mounted under conjunction on the track of external drag conveyor, each section depth of the double-ended shearer along coal wall depth direction
Depth deep driving mechanism 14 is cut by the coal machine coal owner body 2 is driven to determine；The double-ended shearer
It can be moved back and forth along the track by the coal machine operating mechanism 15.
Claims (10)
1. a kind of double-ended shearer for large-mining-height working surface, including coal-cutting drum (1) and coal owner body (2), feature
Be: the double-ended shearer further includes rocker arrangement (3), and the coal-cutting drum (1) passes through the rocker arm respectively
The movable both ends for being mounted on the coal owner body (2) of device (3)；During long wall surface is mined, the coal-cutting drum (1) is logical
The rocker arrangement (3) is crossed, can cut to coal in the middle and upper part of long wall surface coal wall under the cooperation of the coal owner body (2)
Inclined slope (5) on the inside of wall (4).
2. the double-ended shearer according to claim 1 for large-mining-height working surface, it is characterised in that: described in each group
Rocker arrangement (3) include rolling stand (6), driving mechanism (7) and rotating mounting rack (8), with the rotating mounting rack (8)
Hinged rolling stand (6) can turn in the same vertical plane under the cooperation of the driving mechanism (7) around hinge joint (9)
Dynamic, the coal-cutting drum (1) is mounted on the rolling stand (6)；The rocker arrangement (3) passes through the rotation
The both ends for the installation coal owner body (2) that mounting rack (8) can be rotated around coal owner's body longitudinal center line (10)；Described is oblique
Slope surface (5) cuts by postrotational coal-cutting drum (1) under the cooperation of the coal owner body (2).
3. the double-ended shearer according to claim 2 for large-mining-height working surface, it is characterised in that: the driving
Mechanism (7) includes a hydraulic push rod, and the fixing end of the hydraulic push rod and the rotating mounting rack (8) are hingedly, described
The telescopic end of hydraulic push rod and the middle part of the rolling stand (6) are hinged.
4. the double-ended shearer according to claim 3 for large-mining-height working surface, it is characterised in that: the coal machine
Main body (2) further includes rotation motor, and the rocker arrangement (3) is under the cooperation for the rotary driving force that the rotation motor exports
It can be rotated around coal owner's body longitudinal center line (10).
5. the double-ended shearer according to claim 3 for large-mining-height working surface, it is characterised in that: in the rotation
Turn to be additionally provided with rotation motor on mounting rack (8), the rotary driving force that the rocker arrangement (3) is exported in the rotation motor
Cooperation under can be rotated around coal owner's body longitudinal center line (10).
6. according to claim 1, being used for the double-ended shearer of large-mining-height working surface described in 2,3,4 or 5, it is characterised in that:
It is also equipped with pick (12) on the end face (11) of the free end of the coal-cutting drum (1), the axial centre of the pick (12)
Line (13) and the end face (11) have 15~20 ° of angle.
7. the double-ended shearer according to claim 6 for large-mining-height working surface, it is characterised in that: in the coal mining
The pick (12) is also installed in the axial external surface of roller (1), is mounted in the axial external surface of the coal-cutting drum
Pick (12) longitudinal center line perpendicular to the coal-cutting drum axial external surface.
8. the double-ended shearer according to claim 6 for large-mining-height working surface, it is characterised in that: double rollings
Cylinder coalcutter further includes that coal machine cuts deep driving mechanism (14), and the coal owner body (2) cuts deep driving machine by the coal machine
Structure (14) is mounted on the track of external drag conveyor, each section of the double-ended shearer along coal wall depth direction
Deep depth cuts deep driving mechanism (14) by the coal machine and the coal owner body (2) is driven to determine.
9. the double-ended shearer according to claim 8 for large-mining-height working surface, it is characterised in that: double rollings
Cylinder coalcutter further includes coal machine operating mechanism (15), and it is telescopic solid along cutting coal direction that the coal machine cuts deep driving mechanism (14)
On the coal machine operating mechanism (15), the double-ended shearer can edge by the coal machine operating mechanism (15)
The track moves back and forth.
10. the double-ended shearer according to claim 1 for large-mining-height working surface, it is characterised in that: by described
Coal-cutting drum (1) the rocker arrangement (3) cooperation it is lower cut the slope (5) be in top chamfer type, middle and upper part apsacline or
Top vertical type adds middle and upper part chamfering type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788031.8U CN208996727U (en) | 2018-10-31 | 2018-10-31 | Double-ended shearer for large-mining-height working surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821788031.8U CN208996727U (en) | 2018-10-31 | 2018-10-31 | Double-ended shearer for large-mining-height working surface |
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| Publication Number | Publication Date |
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| CN208996727U true CN208996727U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821788031.8U Active CN208996727U (en) | 2018-10-31 | 2018-10-31 | Double-ended shearer for large-mining-height working surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139001A (en) * | 2018-10-31 | 2019-01-04 | 攀枝花学院 | Double-ended shearer for large-mining-height working surface |
| CN111550241A (en) * | 2020-05-25 | 2020-08-18 | 苏州华煤机电有限公司 | Automatic change double drum coal-winning machine |
-
2018
- 2018-10-31 CN CN201821788031.8U patent/CN208996727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139001A (en) * | 2018-10-31 | 2019-01-04 | 攀枝花学院 | Double-ended shearer for large-mining-height working surface |
| CN111550241A (en) * | 2020-05-25 | 2020-08-18 | 苏州华煤机电有限公司 | Automatic change double drum coal-winning machine |
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Effective date of registration: 20211230 Address after: 617067 building 3, Xuefu Plaza, No. 10, Jichang Road, East District, Panzhihua City, Sichuan Province (in the college students' science and technology entrepreneurship Incubation Park) Patentee after: Sichuan Tixing Engineering Technology Co.,Ltd. Address before: 617000 Airport Road, East District, Panzhihua, Sichuan Province, No. 10 Patentee before: PANZHIHUA University |