CN211819386U - Fully mechanized coal mining equipment capable of increasing lump coal proportion - Google Patents
Fully mechanized coal mining equipment capable of increasing lump coal proportion Download PDFInfo
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- CN211819386U CN211819386U CN202020164902.XU CN202020164902U CN211819386U CN 211819386 U CN211819386 U CN 211819386U CN 202020164902 U CN202020164902 U CN 202020164902U CN 211819386 U CN211819386 U CN 211819386U
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Abstract
The utility model relates to a can improve full-mechanized equipment of lump coal proportion. The broken coal proportion of mining of present fully mechanized coal mining machine is big, and the price is low, and is not environmental protection, for this reason, this fully mechanized coal mining equipment that can improve lump coal proportion includes a plurality of hydraulic support, scraper conveyor, elevating conveyor and rubber belt conveyor, its characterized in that: each hydraulic support is internally provided with a rotating column, the rotating columns on the adjacent hydraulic supports are respectively provided with a cutting part, a folding arm and a breaking and dismantling head, the breaking and dismantling head can swing around the axial lead of the rotating column along with the folding arm and the cutting head along with a telescopic cutting arm under the driving of a swing oil cylinder, and the left-right swinging width is more than twice the width of a bearing top plate of the hydraulic support. The utility model has the advantages of high lump coal proportion, less mining dust, health, environmental protection, less storage and transportation pollution, less coal resource loss and the like, and is widely applicable to various fully mechanized coal mining mines.
Description
Technical Field
The utility model relates to a can improve full-mechanized equipment of lump coal proportion.
Background
The existing fully mechanized coal mining machine has large proportion of mined crushed coal, heavy dust pollution and coal resource loss in the storage and transportation process, and most importantly, the price of each ton of crushed coal is more than one hundred yuan lower than that of each ton of lump coal, thus seriously affecting the economic benefit of coal mine enterprises.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to fill the above-mentioned blank of prior art, provide a can improve the comprehensive equipment of adopting of lump coal proportion.
For solving above-mentioned technical problem, this can improve full-mechanized mining equipment of lump coal proportion, including a plurality of hydraulic support, scraper conveyor, elevating conveyor and rubber belt conveyor, hydraulic support is including bearing the roof, covering board, base and hydraulic column, and the covering board is connected with bearing the roof, and hydraulic column supports and bears between roof and the base, is equipped with pusher gear on the base, and pusher gear comprises push cylinder and push pedal, and the push pedal is fixed on scraper conveyor, and the cylinder body of push cylinder is fixed in the base, and the piston rod front end of push cylinder is connected on the push pedal, its characterized in that: a slide rail parallel to the longitudinal bisection plane of the base is arranged in the middle of the base of each hydraulic support, a slide block is arranged on the slide rail and is provided with a hydraulic driving cylinder, a rotating column is arranged on the slide block and is provided with a swing oil cylinder capable of driving the rotating column to rotate left and right,
two adjacent hydraulic supports: a hydraulic support is provided with a rotary column on which a hydraulic drive folding arm is arranged, each folding arm comprises a front arm and a rear arm which are hinged with each other and are respectively provided with a driving oil cylinder, the rear end of the rear arm is hinged on the rotary column through a horizontal shaft, a lifting oil cylinder is arranged between the rear arm and the rotary column, the front end of the front arm is hinged with a hydraulic breaking part, a breaking head is arranged on the hydraulic breaking part and is in a scraper knife shape, the front end of the hydraulic breaking part is provided with a horizontal blade part, a pitch angle adjusting mechanism is arranged on the hydraulic breaking part and comprises a pitch angle adjusting oil cylinder and a connecting rod, the front end of the connecting rod is hinged on a fixed column on the hydraulic breaking part through a horizontal shaft, the rear end of a cylinder body of the pitch adjusting oil cylinder is hinged on the front arm through a horizontal shaft, a hinged support rod is hinged on the front arm, and the rear end, under the drive of the swing oil cylinder, the breaking and dismantling head can swing around the axial lead of the rotating column along with the folding arm, the left-right swing width is more than twice of the width of a bearing top plate of the hydraulic support,
the hydraulic drive's cutting unit is equipped with on another hydraulic support's the column spinner, and cutting unit includes flexible cutting arm and cutterhead, and flexible cutting arm rear end articulates through a horizontal axis on the column spinner, the cutterhead sets up in flexible cutting arm outer end, under swing cylinder drive, the cutterhead can follow flexible cutting arm, winds the axial lead bilateral symmetry swing of column spinner, and the bilateral oscillation width is greater than twice hydraulic support's the roof width that bears, and all folding arms and broken dismantlement head are furnished with coordinated control mode and independent control mode to the confession selection, and all cutting units are furnished with coordinated control mode and independent control mode, in order to the selection, and the high-pressure emulsion that all hydraulic pressure mechanisms used all comes from the adapted working face hydraulic power unit.
By the design, only a small amount of coal is mined by the cutting part, and most of the coal is dug down from the coal wall in blocks from bottom to top by the breaking head, so that the proportion of crushed coal is small, the economic benefit is high, and the pollution to the mining site is small. And linkage control and independent control are convenient to switch.
Preferably, a slope coal shoveling plate is further arranged on one side, adjacent to the coal face, of the scraper conveyor. So design, when scraper conveyor antedisplacement, during domatic shovel coal board inserted the lump coal and the garrulous coal on ground, lump coal and garrulous coal got into scraper conveyor through domatic shovel coal board, are convenient for transport.
As optimizing, it still includes a plurality of cameras, touch-sensitive screen and PLC controller, and above-mentioned camera evenly sets up hydraulic support bears the roof below, and all pneumatic cylinders are furnished with automatically controlled valves respectively, hydraulic pressure is broken to be equipped with automatically controlled valves on the feed liquor pipe of tearing portion open, and above-mentioned automatically controlled valves all is connected with the signal output part of PLC controller, and touch-sensitive screen and PLC controller electric connection, the camera links to each other with the signal input part of PLC controller. The design is convenient for remote and linkage control, is safe and efficient, and is beneficial to ensuring the physical and mental health of coal mine workers.
As optimization, the system further comprises a control box, wherein the touch screen and the PLC are arranged on the control box, and the control box is arranged on a hydraulic pump station of the rail roadway. By the design, the working face can be automatically controlled without manual operation.
The utility model discloses can improve the coal mining technology of lump coal proportion, its characterized in that: the fully mechanized mining equipment capable of increasing the lump coal proportion comprises the following steps:
arranging and installing all the hydraulic supports of the fully-mechanized coal mining equipment capable of improving the lump coal proportion in a cutting hole in sequence, enabling the shield plates of all the hydraulic supports to be away from a working surface, enabling the hydraulic supports provided with the folding arms and the breaking and dismantling heads and the hydraulic supports provided with the cutting parts to be alternately arranged, and installing a scraper conveyor and a reversed loader of the fully-mechanized coal mining machine in front of all the hydraulic supports;
simultaneously starting the cutting heads of all the cutting parts, synchronously extending the telescopic cutting arms of all the cutting parts, synchronously swinging all the cutting parts left and right, cutting the coal of the inclined lower groove part into crushed coal by using the cutting heads of all the cutting parts and cutting the bottom of the coal wall of the working face in front of the hydraulic support, and then synchronously retracting the telescopic cutting arms of all the cutting parts to stop the operation of all the cutting heads;
starting the pushing devices of the hydraulic supports, pushing the scraper conveyor into the crushed coal, then starting the scraper conveyor, the reversed loader and the rubber belt conveyor, conveying all or part of the crushed coal into the reversed loader through the scraper conveyor, conveying the crushed coal into the rubber belt conveyor through the reversed loader, and finally conveying the crushed coal out of the rubber belt conveyor;
starting and synchronously adjusting each folding arm and the breaking head at the same time, enabling each folding arm to drive the breaking head on the folding arm, sequentially breaking the coal wall above the inclined lower trough between the longitudinal bisection surfaces of the hydraulic supports on the two sides of each folding arm from bottom to top, sequentially breaking the coal wall above the inclined lower trough from bottom to top into lump coal, falling into a scraper conveyor, and then sequentially conveying the lump coal out through the scraper conveyor, the reversed loader and the rubber belt conveyor,
after the coal walls above the inclined downward groove and below the top plate are broken into coal blocks and transported out, stopping all the folding arms and the breaking heads, checking real-time images shot by all the cameras, and judging whether coal blocks or coal gangue which should fall off but do not fall off exist on the coal walls, the top plate and the bottom plate in front of all the hydraulic supports, if so, independently starting cutting parts or folding arms and breaking heads of corresponding hydraulic supports to perform local cutting or breaking; if no coal blocks or coal gangue which should fall off but not fall off exist, or the coal blocks or coal gangue which should fall off but not fall off do not exist after the coal blocks or the coal gangue are cut separately or broken and disassembled, the scraper conveyor and the transfer conveyor are stopped, each hydraulic support is moved, then the second step is carried out, and the process is repeated until the working face is pushed to the end of the trend, and the coal mining operation is completed.
In order to ensure that the size of the broken and torn lump coal tends to be consistent, the broken and torn head moves upwards more and more each time from bottom to top during the breaking and tearing.
The broken lump coal that pulls down on coal wall upper portion is great like this, but falls on scraper conveyor, bottom plate or other coal cinder, takes place the secondary breakage, and the secondary lump coal that forms tends to unanimously with the broken little coal cinder that pulls down of lower part in the coal wall, and along with coal mine operation workman's experience constantly improves, the lump coal of exploitation can more tend to unanimously to can be according to market needs, the coal wall geology condition finely tunes.
The utility model discloses can improve the fully mechanized mining equipment of lump coal proportion utilizes earlier that the interval setting cuts the portion (the same with the cutting portion of entry driving machine) and opens out the groove that inclines in the coal wall lower part on hydraulic support, then, pushes away the scraper conveyor in the garrulous coal of groove that inclines, transports out the garrulous coal, then recycles the interval setting and fold the arm and break open the head on hydraulic support, from bottom to top, breaks in proper order in step and tears the coal wall open into the lump coal of suitable size with the coal wall. So designed, the utility model has the advantages of lump coal proportion is high, the exploitation dust is few, healthy environmental protection, and warehousing and transportation pollution is little, and coal resource runs off a lot of less etc. extensively is applicable to various comprehensive mining coal mine.
Drawings
The fully mechanized coal mining equipment capable of improving the lump coal proportion of the utility model is further explained with the accompanying drawings as follows:
FIG. 1 is a schematic structural diagram of a hydraulic support with a cutting part in the fully mechanized mining equipment capable of increasing lump coal proportion;
FIG. 2 is a schematic structural diagram of a hydraulic support with a folding arm and a breaking-in head in the fully-mechanized mining equipment capable of increasing lump coal proportion;
fig. 3 is a schematic diagram of the adjacent hydraulic supports and the swing range of the cutting part 6 and the folding arm 3 thereof in fig. 1 and 2.
In the figure: the device comprises a hydraulic support 1, a scraper conveyor 2, a folding arm 3, a front arm 31, a rear arm 32, a push plate 4, a hydraulic breaking and dismantling part 5, a breaking and dismantling head 51, a horizontal blade part 52, a pitching adjusting cylinder 53, a connecting rod 54, a fixing column 55, a hinged support rod 56, a cutting part 6, a telescopic cutting arm 61, a cutting head 62, a coal wall 7, a dip chute 8, a top plate 9, a bottom plate 10, a bearing top plate 11, a shield plate 12, a base 13, a hydraulic upright column 14, a sliding block 15, a rotating column 16, a horizontal shaft 17, a lifting cylinder 18, a slope coal shoveling plate 19, a swing track of the cutting head or the horizontal blade part 20 and a pushing cylinder 21.
Detailed Description
The first implementation mode comprises the following steps: as shown in fig. 1-3, the fully mechanized mining equipment capable of increasing lump coal proportion includes a plurality of hydraulic supports 1, a scraper conveyor 2, a reversed loader (not shown in the figure) and a belt conveyor (not shown in the figure), where the hydraulic supports 1 include a bearing top plate 11, a shield plate 12, a base 13 and a hydraulic upright 14, the shield plate 12 is connected with the bearing top plate 11, the hydraulic upright 14 is supported between the bearing top plate 11 and the base 13, the base 13 is provided with a pushing device, the pushing device is composed of a pushing cylinder 21 and a pushing plate 4, the pushing plate 4 is fixed on the scraper conveyor 2, the cylinder body of the pushing cylinder 21 is fixed in the base 13, and the front end of the piston rod of the pushing cylinder 21 is connected to the pushing plate 4, and is characterized in that: a slide rail (not shown in the figure) parallel to the longitudinal bisection plane of the base 13 is arranged in the middle of each base 13, a slide block 15 is arranged on the slide rail, a hydraulic driving cylinder (not shown in the figure) is arranged on the slide block 15, a rotating column 16 is arranged on the slide block 15, and the rotating column 16 is provided with a swing oil cylinder (not shown in the figure) capable of driving the rotating column 16 to rotate left and right.
Two adjacent hydraulic supports 1: a rotary column 16 of a hydraulic support 1 is provided with hydraulic driving folding arms 3, each folding arm 3 comprises a front arm 31 and a rear arm 32, the front arm 31 and the rear arm are hinged with each other and are respectively provided with a driving oil cylinder (not shown), the rear end of the rear arm 32 is hinged on the rotary column 16 through a horizontal shaft 17, a lifting oil cylinder 18 is arranged between the rear arm 32 and the rotary column 16, the front end of the front arm 31 is hinged with a hydraulic breaking part 5, the hydraulic breaking part 5 is provided with a breaking head 51, the breaking head 51 is in a scraper knife shape, the front end is provided with a horizontal blade part 52, the hydraulic breaking part 5 is provided with a pitch angle adjusting mechanism, the pitch angle adjusting mechanism comprises a pitch adjusting oil cylinder 53 and a connecting rod 54, the front end of the connecting rod 54 is hinged on a fixed column 55 on the hydraulic breaking part 5 through the horizontal shaft 17, the rear end of the cylinder body of the pitch adjusting oil cylinder 53 is hinged on the front, the rear end of the connecting rod 54 and the front end of the piston rod of the pitch adjusting cylinder 53 are hinged to the outer end of the hinged support rod 56, the breaking head 51 can swing around the axis of the rotating column 16 along with the folding arm 3 under the driving of the swing cylinder, and the left-right swing width is larger than twice of the width (parallel to the inclined width) of the bearing top plate 11 of the hydraulic support 1.
The hydraulic driving cutting part 6 is arranged on the rotary column 16 of the other hydraulic support 1, the cutting part 6 comprises a telescopic cutting arm 61 and a cutting head 62, the rear end of the telescopic cutting arm 61 is hinged on the rotary column 16 through a horizontal shaft 17, the cutting head 62 is arranged at the outer end of the telescopic cutting arm 61, under the driving of a swing oil cylinder, the cutting head 62 can swing around the axial lead of the rotary column 16 in a bilateral symmetry mode along with the telescopic cutting arm 61, the bilateral swing width is larger than the width of a bearing top plate 11 of the hydraulic support 1 twice, all the folding arms 3 and the breaking and dismantling heads 51 are provided with a coordinated control matched mode and an independent control mode for selection, all the cutting parts 6 are provided with the coordinated control mode and the independent control mode for selection, and all the high-pressure emulsion used by the hydraulic mechanism is from a hydraulic pump station on a working face.
And a slope coal shoveling plate 19 is also arranged on one side of the scraper conveyor 2 adjacent to the coal face.
It still includes a plurality of cameras (not shown in the figure), touch-sensitive screen (not shown in the figure) and PLC controller (not shown in the figure), and above-mentioned camera evenly sets up hydraulic support 1 bears roof 11 below, and all pneumatic cylinders are furnished with automatically controlled valves respectively, hydraulic pressure is broken to be equipped with automatically controlled valves on the feed liquor pipe of tearing portion 5 open, and above-mentioned automatically controlled valves all is connected with the signal output part of PLC controller, and touch-sensitive screen and PLC controller electric connection, camera link to each other with the signal input part of PLC controller.
The control box is arranged on a hydraulic pump station of a rail roadway.
The utility model discloses can improve the coal mining technology of lump coal proportion, including aforementioned can improve the comprehensive equipment of adopting of lump coal proportion, including following step:
arranging and installing all the hydraulic supports of the fully mechanized coal mining equipment capable of improving the lump coal proportion in a cutting hole in sequence, enabling the shield plates of all the hydraulic supports to be away from the working surface, enabling the hydraulic supports 1 provided with the folding arms 3 and the breaking and dismantling heads 51 and the hydraulic supports 1 provided with the cutting parts 6 to be alternately arranged, and installing the scraper conveyor 2 and the reversed loader of the fully mechanized coal mining machine in front of all the hydraulic supports 1;
simultaneously starting the cutting heads 62 of all the cutting parts 6, synchronously extending the telescopic cutting arms 61 of all the cutting parts 6, synchronously swinging all the cutting parts 6 left and right, cutting the bottom of the coal wall 7 of the front working face of the hydraulic support 1 by utilizing the cutting heads 62 of all the cutting parts 6 to form an inclined downward groove 8 which can be pushed into a scraper conveyor, cutting the coal at the position of the inclined downward groove 8 into crushed coal by all the cutting heads 62, then synchronously retracting the telescopic cutting arms 61 of all the cutting parts 6, stopping the operation of all the cutting heads 62, and adjusting the rotating columns 16 and the sliding blocks 15 when necessary to enable all the cutting parts 6 to retract into the positions between the hydraulic upright columns 14 at two sides of the hydraulic support where the cutting parts are located so as to avoid interfering with the swinging of the folding arms 3 at two sides and the breaking and dismantling heads 51;
starting the pushing devices of the hydraulic supports 1, pushing the scraper conveyor into the crushed coal, then starting the scraper conveyor 2, the reversed loader and the rubber belt conveyor, conveying all or part of the crushed coal into the reversed loader through the scraper conveyor 2, conveying the whole or part of the crushed coal into the rubber belt conveyor through the reversed loader, and finally conveying the whole or part of the crushed coal out of the rubber belt conveyor;
starting and synchronously adjusting the folding arms 3 and the breaking heads 51 at the same time, enabling the folding arms 3 to drive the breaking heads 51 on the folding arms 3, sequentially breaking the upper coal walls 7 of the inclined lower grooves 8 between the longitudinal bisection surfaces of the hydraulic supports on the two sides of the folding arms 3 from bottom to top, sequentially breaking the upper coal walls 7 of the inclined lower grooves 8 from bottom to top into lump coal, enabling the lump coal to fall into the scraper conveyor 2, and then sequentially transporting the lump coal out through the scraper conveyor 2, the reversed loader and the rubber belt conveyor.
After the coal walls 7 above the inclined downward grooves 8 and below the top plate 9 are broken into coal blocks and transported out, stopping all the folding arms 3 and the breaking-in heads 51, checking real-time images shot by all the cameras, and judging whether coal blocks or coal gangue which should fall off but do not fall off exist on the coal walls 7, the top plates 9 and the bottom plates 10 in front of all the hydraulic supports 1 or not, if so, independently starting the cutting parts 6 or the folding arms 3 and the breaking-in heads 51 of the corresponding hydraulic supports 1 to perform local cutting or breaking-in;
if no coal blocks or coal gangue which should fall off but not fall off exist, or the coal blocks or coal gangue which should fall off but not fall off do not exist after the coal blocks or the coal gangue are cut separately or broken and disassembled, the scraper conveyor 2 and the transfer conveyor are stopped, each hydraulic support 1 is moved, then the second step is carried out, and the steps are repeated until the working face is pushed to the end of the trend, and the coal mining operation is completed.
Claims (4)
1. The utility model provides a can improve full-mechanized mining equipment of lump coal proportion, includes a plurality of hydraulic support, scraper conveyor, elevating conveyor and rubber belt conveyor, hydraulic support is including bearing the roof, shielding board, base and hydraulic column, shielding board and bearing the roof and being connected, and hydraulic column supports and bears between roof and the base, is equipped with pusher gear on the base, and pusher gear comprises advancing hydro-cylinder and push pedal, and the push pedal is fixed on scraper conveyor, and the cylinder body of advancing hydro-cylinder is fixed in the base, and the piston rod front end of advancing hydro-cylinder is connected on the push pedal, its characterized in that: a slide rail parallel to the longitudinal bisection plane of the base is arranged in the middle of the base of each hydraulic support, a slide block is arranged on the slide rail and is provided with a hydraulic driving cylinder, a rotating column is arranged on the slide block and is provided with a swing oil cylinder capable of driving the rotating column to rotate left and right,
two adjacent hydraulic supports: a hydraulic support is provided with a rotary column on which a hydraulic drive folding arm is arranged, each folding arm comprises a front arm and a rear arm which are hinged with each other and are respectively provided with a driving oil cylinder, the rear end of the rear arm is hinged on the rotary column through a horizontal shaft, a lifting oil cylinder is arranged between the rear arm and the rotary column, the front end of the front arm is hinged with a hydraulic breaking part, a breaking head is arranged on the hydraulic breaking part and is in a scraper knife shape, the front end of the hydraulic breaking part is provided with a horizontal blade part, a pitch angle adjusting mechanism is arranged on the hydraulic breaking part and comprises a pitch angle adjusting oil cylinder and a connecting rod, the front end of the connecting rod is hinged on a fixed column on the hydraulic breaking part through a horizontal shaft, the rear end of a cylinder body of the pitch adjusting oil cylinder is hinged on the front arm through a horizontal shaft, a hinged support rod is hinged on the front arm, and the rear end, under the drive of the swing oil cylinder, the breaking and dismantling head can swing around the axial lead of the rotating column along with the folding arm, the left-right swing width is more than twice of the width of a bearing top plate of the hydraulic support,
the hydraulic driving cutting part is arranged on the rotary column of the other hydraulic support and comprises a telescopic cutting arm and a cutting head, the rear end of the telescopic cutting arm is hinged to the rotary column through a horizontal shaft, the cutting head is arranged at the outer end of the telescopic cutting arm, the cutting head can swing symmetrically around the axial lead of the rotary column in a bilateral mode under the driving of a swing oil cylinder, the bilateral swing width is larger than the width of a bearing top plate of the hydraulic support twice, all the folding arms and the breaking and dismantling head are provided with a linkage control mode and an independent control mode for selection, and all the cutting parts are provided with a linkage control mode and an independent control mode for selection.
2. The fully mechanized mining equipment capable of increasing lump coal proportion according to claim 1, wherein: and a slope coal shoveling plate is also arranged on one side of the scraper conveyor, which is adjacent to the coal face.
3. The fully mechanized mining equipment capable of increasing lump coal proportion according to claim 1 or 2, wherein: it still includes a plurality of cameras, touch-sensitive screen and PLC controller, and above-mentioned camera evenly sets up hydraulic support bears the roof below, and all pneumatic cylinders are furnished with automatically controlled valves respectively, hydraulic pressure is broken to be equipped with automatically controlled valves on the feed liquor pipe of tearing portion open, and above-mentioned automatically controlled valves all is connected with the signal output part of PLC controller, and touch-sensitive screen and PLC controller electric connection, the camera links to each other with the signal input part of PLC controller.
4. The fully mechanized mining equipment capable of increasing lump coal proportion according to claim 3, wherein: the control box is arranged on a hydraulic pump station of a rail roadway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164902.XU CN211819386U (en) | 2020-02-12 | 2020-02-12 | Fully mechanized coal mining equipment capable of increasing lump coal proportion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020164902.XU CN211819386U (en) | 2020-02-12 | 2020-02-12 | Fully mechanized coal mining equipment capable of increasing lump coal proportion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819386U true CN211819386U (en) | 2020-10-30 |
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ID=72993808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020164902.XU Expired - Fee Related CN211819386U (en) | 2020-02-12 | 2020-02-12 | Fully mechanized coal mining equipment capable of increasing lump coal proportion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819386U (en) |
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2020
- 2020-02-12 CN CN202020164902.XU patent/CN211819386U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 Termination date: 20210212 |