CN211397565U - Development machine suitable for narrow tunnel mining of ultra-thin coal seam - Google Patents
Development machine suitable for narrow tunnel mining of ultra-thin coal seam Download PDFInfo
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- CN211397565U CN211397565U CN201922358587.4U CN201922358587U CN211397565U CN 211397565 U CN211397565 U CN 211397565U CN 201922358587 U CN201922358587 U CN 201922358587U CN 211397565 U CN211397565 U CN 211397565U
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- 239000003245 coal Substances 0.000 title claims abstract description 64
- 238000005065 mining Methods 0.000 title claims abstract description 62
- 238000005553 drilling Methods 0.000 claims description 20
- 238000007142 ring opening reaction Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 4
- 238000012876 topography Methods 0.000 abstract description 2
- 230000018109 developmental process Effects 0.000 description 6
- 230000036346 tooth eruption Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a be suitable for entry driving machine for narrow tunnel exploitation in extremely thin coal seam, including bearing the athey wheel that the athey wheel chassis that holds set up, holds set of portion bottom and athey wheel chassis both sides set up, it sets up the intelligent control formula hydraulic press to hold set of portion, be provided with the multiaxis arm on the dish top of holding of intelligent control formula hydraulic press one side, set up annular head on the axle head of multiaxis arm. The utility model discloses athey wheel topography adaptability is stronger, and the flexibility is stronger, and the tunnel current rate is high, and the support arm of multiaxis arm as the exploitation drill bit, the exploitation drill bit swing diversion is freely, and exploitation drill bit mining area is wider, adopts to take the pick cambered surface drill bit to mine coal, and the drill bit is cavity, and the colliery stone of adopting to fall drops by the cavity hole of drill bit, drops to on the rear conveyer of tunnelling drill bit, can carry out vertical coal mining, increases the coal mining volume, improves coal mining efficiency.
Description
The technical field is as follows:
the utility model belongs to the technical field of coal mining equipment, mainly relate to and be suitable for tunneller for narrow tunnel mining in extremely thin coal seam.
Background art:
the auger coal mining machine is mostly adopted in the mining process of the ultra-thin coal seam, the auger coal mining machine is arranged in a narrow coal mining roadway and is difficult to arrange, coal mines on the wall surface are transversely and reciprocally excavated, and the auger coal mining machine needs to move forwards when longitudinally moving for mining so that a drill bit can be close to the wall surface of the coal mine to be mined and then transversely mined; however, the forward movement of the auger mining machine can be carried out only by manual operation, and a running track is required to be arranged for the auger mining machine, so that the equipment structure is complex, the flexibility of drilling and mining equipment is poor, the auger mining machine is heavy, and the equipment is difficult to disassemble and carry, and therefore, the whole equipment arrangement and implementation operation difficulty is high.
And at present, most of the coal mining machines are adopted in the mining process of the extremely thin coal seam, the coal mining machines walk in a reciprocating manner on the wall surface of the coal mining channel to perform sweeping coal mining, and because the coal mining machines adopt solid drill bits, and the side surfaces of the solid drill bits are provided with a circle of cutting teeth, coal mine stones fall off from two sides of the drill bits during sweeping coal mining, and because the coal mining machines can only perform transverse coal mining, the longitudinal coal mining depth is only the thickness of the drill bits, the coal mine falling area is small, the coal mining volume is small, the coal mining efficiency is low, and the whole coal.
The utility model has the following contents:
the utility model aims to solve the defects of the prior art, the development machine for narrow tunnel mining of the applicable extremely-thin coal seam is provided, the crawler wheel with stronger terrain adaptability is adopted as the moving wheel, the rotary bearing disc of the crawler wheel chassis is adopted to change the development direction, the multi-shaft mechanical arm is adopted as the supporting arm of the development drill bit, the swing diversion of the development drill bit is free, and the flexibility is stronger. The hollow coal overflow type annular drill bit is adopted, the drill bit with the cutting tooth cambered surface is adopted for coal mining, the drill bit is hollow, mined coal mine stones fall from a hollow hole of the drill bit and fall onto a conveyor behind the annular drill bit, longitudinal coal mining can be carried out, the coal mining amount is increased, and the coal mining efficiency is improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the heading machine comprises a bearing disc, a crawler wheel chassis arranged at the bottom of the bearing disc and crawler wheels arranged at two sides of the crawler wheel chassis, wherein an intelligent control type hydraulic machine is arranged at the top of the bearing disc, a multi-shaft mechanical arm is arranged at the top of the bearing disc at one side of the intelligent control type hydraulic machine, a ring-shaped drill bit is arranged at the shaft end of the multi-shaft mechanical arm, the ring-shaped drill bit comprises a drill bit outer shell in an annular shape, a rotor drill bit embedded in the drill bit outer shell in a rotating mode and a first gear for driving the rotor drill bit to rotate along the inner wall of the drill bit outer shell and be connected with a hydraulic motor, the rotor drill bit with the outer wall of the gear is embedded in the drill bit outer shell in a rotating mode, the first gear connected with the first hydraulic motor is arranged between the inner wall of the drill bit outer shell and the, simultaneously, the driving gear and the external tooth surface of the rotor bit rotate in a meshing manner; and a fixed arm used for connecting a heading machine is fixed on one side of the drill bit outer shell.
The rotor bit includes annular drill plate, pick and cavity rotary drum, be equipped with the cavity hole in the middle of the annular drill plate, one side of annular drill plate is the arc anchor ring of evagination, and sets up a plurality of pick on the arc anchor ring, and annular drill plate opposite side sets up the cavity rotary drum that communicates with the cavity hole is perpendicular.
And a plurality of cutting teeth on the arc-shaped ring surface of the annular drilling plate are inclined towards the ring center of the annular drilling plate.
And a plurality of racks are annularly arranged on the outer cylinder wall of the hollow rotary drum, and the outer cylinder wall of the hollow rotary drum and the plurality of racks annularly arranged form an outer gear surface.
And the ring end surface of the annular drilling plate is provided with a ring block which is arranged at the same side as the hollow rotary drum, and the ring block is provided with a concave ring groove.
A cover plate is buckled on one side of the drill bit outer shell, and an annular rail is arranged at an annular opening of the inner wall of the other side of the drill bit outer shell.
The rotor drill bit is embedded in the drill bit outer shell, and the annular rail ring arranged at the annular opening on the inner wall of the drill bit outer shell is embedded in the concave annular groove arranged on the annular end surface on one side of the annular drilling plate.
And a second gear connected with a second hydraulic motor is further arranged between the inner wall of the drill bit outer shell and the outer wall of the gear of the rotor drill bit, and the first gear and the second gear are symmetrically arranged.
First hydraulic motor and second hydraulic motor symmetry set up in detaining the apron outside of arranging on the drill bit shell body, and lie in the fixed arm.
The annular drill bit is connected with an intelligent control type hydraulic machine through a hydraulic pipeline, the intelligent control type hydraulic machine is also connected with a multi-shaft mechanical arm through a hydraulic pipe, and the intelligent control type hydraulic machine drives a crawler wheel bearing disc to rotate on a crawler wheel chassis and a crawler wheel to rotate; the top of the bearing plate is provided with a plurality of hydraulic lifting rods, and the top ends of the hydraulic lifting rods are arranged on the same top plate.
The utility model discloses beneficial effect:
1. the utility model discloses athey wheel topography adaptability is stronger, bears the weight of the dish and rotates the change direction of drivage, and the flexibility is stronger, need not to disassemble during the removal, removes convenient and fast, and the tunnel current rate is high.
2. The utility model discloses the support arm of multiaxis arm as the exploitation drill bit, the swing diversion of exploitation drill bit is freely, and exploitation drill bit exploitation area is wider, and single position can carry out the horizontal mining in the certain limit, still can carry out vertical exploitation, and coal mining volume is great, and mining efficiency is high.
3. The utility model discloses bear the roof that set up hydraulic pressure lift support above the dish, the narrow tunnel roof of roof overhead prevents during the exploitation cliff colliery that the top colliery from collapsing.
4. The utility model discloses the ring bit is hollow annular inner rotor drill bit, bores through hollow rotor drill bit and adopts the colliery, and broken ore passes through rotor drill bit's hollow hole and drops on the conveyer to the drill bit rear, can vertically mine, increases the coal mining volume, improves coal mining efficiency.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
FIG. 4 is a schematic structural view of a ring bit according to the present invention;
FIG. 5 is a schematic view of the internal structure of the ring bit of the present invention;
FIG. 6 is an exploded view of the outer casing of the drill bit and the rotor bit of the present invention;
FIG. 7 is a schematic structural view of the ring block of the rotor bit of the present invention;
FIG. 8 is a schematic view of the meshing structure of the rotor bit gear face and the hydraulic motor driving gear of the present invention;
fig. 9 is a schematic view of an embodiment of the present invention.
Reference numerals: the hydraulic machine comprises a bearing disc 1, an intelligent control type hydraulic machine 2, a hydraulic lifting rod 3, a top plate 4, a multi-shaft mechanical arm 5, an annular drill bit 6, a hydraulic pipeline 7, a crawler wheel 8, a crawler wheel chassis 9, a conveyor 10, a drill bit outer shell 61, a rotor drill bit 62, a first gear 63, a second gear 64, a hydraulic motor 631, a second hydraulic motor 641, a hollow rotary drum 620, a rack 621, a ring block 622, a cutting pick 623, a hollow hole 6200, an annular drill plate 6201, a fixing arm 65, a concave ring groove 6220, a cover plate 6100 and a ring rail 611.
The specific implementation mode is as follows:
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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the crawler wheel chassis 9 arranged at the bottom of the bearing disc 1 and the crawler wheels 8 arranged on two sides of the crawler wheel chassis 9 are suitable for the development of narrow roadways of extremely thin coal seams, the terrain adaptability of the crawler wheels is strong, the bearing disc rotates to change the tunneling direction, the flexibility is strong, disassembly is not needed during movement, the movement is convenient and fast, and the roadway traffic rate is high;
the top of the bearing disc 1 is provided with an intelligent control type hydraulic machine 2, the top of the bearing disc 1 on one side of the intelligent control type hydraulic machine 2 is provided with a multi-shaft mechanical arm 5, the shaft end of the multi-shaft mechanical arm 5 is provided with an annular drill bit 6, the annular drill bit 6 comprises an annular drill bit outer shell 61, a rotor drill bit 62 embedded in the drill bit outer shell 61 in a rotating mode, and a first gear 63 driving the rotor drill bit 62 to rotate along the inner wall of the drill bit outer shell 61 and connected with a hydraulic motor 631, the rotor drill bit 62 embedded in the outer wall of the gear is rotated in the drill bit outer shell 61, a first gear 63 connected with the first hydraulic motor 631 is arranged between the inner wall of the drill bit outer shell 61 and the outer wall of the gear of the rotor drill bit 62, the first gear 63 is driven to rotate by the first hydraulic motor; a fixed arm 65 for connecting the heading machine is fixed on one side of the drill bit outer shell 61.
The shaft ends of the multi-shaft mechanical arm 5 are fixedly connected through a fixing arm 65 of the annular drill bit 6.
A hollow hole 6200 is formed in the middle of the annular drilling plate 6201, one side of the annular drilling plate 6201 is an outward-convex arc-shaped ring surface, a plurality of cutting teeth 623 are arranged on the arc-shaped ring surface, and a hollow rotary drum 620 vertically communicated with the hollow hole 6200 is arranged on the other side of the annular drilling plate 6201; the picks 623 on the arc-shaped annular surface of the annular drilling plate 6201 are all inclined towards the annular center of the annular drilling plate 6201.
The method is characterized in that an annular drill plate with cutting teeth cambered surfaces is adopted for mining coal, a plurality of cutting teeth incline towards the hollow hole center, broken coal blocks are extruded to move towards the hollow hole center of the annular drill plate under the action force of the inclined cutting teeth, the broken coal blocks are extruded to a hollow rotary drum 620 along the hollow hole, and the broken coal blocks are continuously extruded to fall on a conveyor 612 arranged behind a drill bit by the hollow rotary drum 620.
The annular drilling plate 6201 is provided with an annular block 622 on the same side as the hollow rotary drum 620 on the annular end surface, the annular block 622 is annularly provided with a concave ring groove 6220, the annular rail 611 at one end of the drill bit outer shell 61 is embedded in the concave ring groove 6220, and the concave ring groove 6220 of the annular drilling plate 201 rotates along the annular rail 611, so that one end of the annular drilling plate 6201 is attached to one end of the drill bit outer shell 61 and is matched with the same.
Example two:
a second gear 64 connected with the second hydraulic motor 641 is further disposed between the inner wall of the bit outer housing 61 and the gear outer wall of the rotor bit 62, and the first gear 63 and the second gear 64 are symmetrically disposed.
The first hydraulic motor 631 and the second hydraulic motor 641 are symmetrically disposed outside the cover plate 6100 fastened to the drill housing 61 and located inside the fixing arm 65, and the hydraulic lines of the first hydraulic motor 631 and the second hydraulic motor 641 extend out along the fixing arm 65.
Two gears which are connected with the hydraulic motor and the external gear of the rotor bit 62 are embedded in the bit outer shell 61 and face to be meshed, so that the tunneling strength of the bit is enhanced, and the coal mining efficiency is improved.
The drill bit is a hollow annular inner rotor drill bit, a coal mine is drilled through the hollow rotor drill bit, broken ore falls onto the conveyor from the rear of the drill bit through a hollow hole of the rotor drill bit, longitudinal coal mining can be carried out, and the coal mining quantity is increased.
The multi-shaft mechanical arm is used as a supporting arm of the mining drill bit, the mining drill bit swings and changes directions freely, the mining area of the mining drill bit is wide, transverse mining within a certain range can be carried out by a single point position, longitudinal mining can also be carried out, the coal mining amount is large, and the mining efficiency is high;
the top of the bearing plate 1 is provided with a plurality of hydraulic lifting rods 3, and the top ends of the hydraulic lifting rods 3 are arranged on the same top plate 4.
The top plate of hydraulic lifting support is arranged above the bearing plate and is arranged on the narrow roadway roof, so that the top coal mine is prevented from collapsing when a cliff coal mine is mined.
The annular drill bit 6 is connected with the intelligent control type hydraulic machine 2 through a hydraulic pipeline 7, the intelligent control type hydraulic machine 2 is further connected with the multi-shaft mechanical arm 5 through a hydraulic pipe, the intelligent control type hydraulic machine 2 drives the crawler wheel bearing disc 1 to rotate on the crawler wheel chassis 9 and the crawler wheel 8 to rotate, the advancing direction can be changed in a narrow roadway, and the flexibility is strong.
The coal mine stones mined by the annular drill bit 6 arranged at one end of the multi-shaft mechanical arm 5 are crushed and fall onto the conveyor 10.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Be suitable for tunneller for mining of extremely thin coal seam narrow roadway, its characterized in that: including bearing dish (1), the athey wheel chassis (9) that bears dish (1) bottom and athey wheel (8) that athey wheel chassis (9) both sides set up, bear dish (1) top and set up intelligent control formula hydraulic press (2), be provided with on the dish (1) top of bearing of intelligent control formula hydraulic press (2) one side multiaxis arm (5), set up ring bit (6) on the axle head of multiaxis arm (5), ring bit (6) including drill bit shell body (61), the interior rotary embedded rotor bit (62) of drill bit shell body (61) and drive rotor bit (62) rotate and connect first gear (63) of hydraulic motor (631) along drill bit shell body (61) inner wall, rotor bit (62) of taking gear outer wall are embedded in drill bit shell body (61) rotation, set up between the inner wall of drill bit shell body (61) and the gear outer wall of rotor bit (62) and be connected first gear (63) first The first gear (63) of the hydraulic motor (631) drives the first gear (63) to rotate through the first hydraulic motor (631), and simultaneously drives the first gear (63) to rotate in a manner of being meshed with the external tooth surface of the rotor bit (62); and a fixed arm (65) for connecting a heading machine is fixed on one side of the drill bit outer shell (61).
2. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: rotor bit (62) include annular drilling plate (6201), pick (623) and cavity rotary drum (620), be equipped with cavity hole (6200) in the middle of annular drilling plate (6201), one side of annular drilling plate (6201) is the arc anchor ring of evagination, and sets up a plurality of pick (623) on the arc anchor ring, and annular drilling plate (6201) opposite side sets up cavity rotary drum (620) with the perpendicular intercommunication of cavity hole (6200).
3. The heading machine for mining narrow roadways for ultra-thin coal seams according to claim 2, wherein: and a plurality of cutting picks (623) on the arc-shaped annular surface of the annular drilling plate (6201) are inclined towards the annular center of the annular drilling plate (6201).
4. The heading machine for mining narrow roadways for ultra-thin coal seams according to claim 2, wherein: a plurality of racks (621) are annularly arranged on the outer cylinder wall of the hollow rotary cylinder (620), and the outer cylinder wall of the hollow rotary cylinder (620) and the annularly arranged racks (621) form an outer gear surface.
5. The heading machine for mining narrow roadways for ultra-thin coal seams according to claim 2, wherein: the annular drill plate (6201) is provided with an annular block (622) on the same side as the hollow rotary cylinder (620), and the annular block (622) is annularly provided with a concave annular groove (6220).
6. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: a cover plate (6100) is buckled at one side of the drill bit outer shell (61), and a circular rail (611) is arranged at the circular opening of the inner wall at the other side of the drill bit outer shell (61).
7. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: the rotor drill bit (62) is embedded in the drill bit outer shell (61), and the ring rail (611) arranged at the ring opening on the inner wall of the drill bit outer shell (61) is embedded in the concave ring groove (6220) arranged on the ring end surface on one side of the annular drilling plate (6201) in a ring sleeve mode.
8. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: and a second gear (64) connected with a second hydraulic motor (641) is further arranged between the inner wall of the drill bit outer shell (61) and the gear outer wall of the rotor drill bit (62), and the first gear (63) and the second gear (64) are symmetrically arranged.
9. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: the first hydraulic motor (631) and the second hydraulic motor (641) are symmetrically arranged outside a cover plate (6100) on the drill bit outer shell (61) and are positioned on the fixing arm (65).
10. The heading machine for mining narrow roadways of ultra-thin coal seams as claimed in claim 1, wherein: the annular drill bit (6) is connected with the intelligent control type hydraulic machine (2) through a hydraulic pipeline (7), the intelligent control type hydraulic machine (2) is further connected with a multi-shaft mechanical arm (5) through a hydraulic pipe, and the intelligent control type hydraulic machine (2) drives the crawler wheel bearing disc (1) to rotate on the crawler wheel chassis (9) and the crawler wheel (8) to rotate; bear dish (1) top and be provided with a plurality of hydraulic lifting rod (3), a plurality of hydraulic lifting rod (3) top overhead is same roof (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358587.4U CN211397565U (en) | 2019-12-24 | 2019-12-24 | Development machine suitable for narrow tunnel mining of ultra-thin coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922358587.4U CN211397565U (en) | 2019-12-24 | 2019-12-24 | Development machine suitable for narrow tunnel mining of ultra-thin coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397565U true CN211397565U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922358587.4U Expired - Fee Related CN211397565U (en) | 2019-12-24 | 2019-12-24 | Development machine suitable for narrow tunnel mining of ultra-thin coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397565U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012929A (en) * | 2022-07-05 | 2022-09-06 | 安徽理工大学 | Large dip angle coal seam separate layer mining device |
| CN116480344A (en) * | 2023-04-05 | 2023-07-25 | 淮北矿业股份有限公司 | Ore exploitation tunneling equipment |
| CN117868926A (en) * | 2024-03-11 | 2024-04-12 | 山西阳煤集团南岭煤业有限公司 | Advanced temporary support device and process for working face of heading machine |
-
2019
- 2019-12-24 CN CN201922358587.4U patent/CN211397565U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115012929A (en) * | 2022-07-05 | 2022-09-06 | 安徽理工大学 | Large dip angle coal seam separate layer mining device |
| CN115012929B (en) * | 2022-07-05 | 2023-03-10 | 安徽理工大学 | Large dip angle coal seam separate layer mining device |
| CN116480344A (en) * | 2023-04-05 | 2023-07-25 | 淮北矿业股份有限公司 | Ore exploitation tunneling equipment |
| CN117868926A (en) * | 2024-03-11 | 2024-04-12 | 山西阳煤集团南岭煤业有限公司 | Advanced temporary support device and process for working face of heading machine |
| CN117868926B (en) * | 2024-03-11 | 2024-05-10 | 山西阳煤集团南岭煤业有限公司 | Advanced temporary support device and process for working face of heading machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 |
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| CF01 | Termination of patent right due to non-payment of annual fee |