CN202360090U - Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method - Google Patents
Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method Download PDFInfo
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- CN202360090U CN202360090U CN2011204364973U CN201120436497U CN202360090U CN 202360090 U CN202360090 U CN 202360090U CN 2011204364973 U CN2011204364973 U CN 2011204364973U CN 201120436497 U CN201120436497 U CN 201120436497U CN 202360090 U CN202360090 U CN 202360090U
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Abstract
The utility model belongs to a coal mining machine. A water-cutting segmentation coal mining machine for a water-cutting segmentation coal mining method comprises a water jet segmenting device, a water jet cutting-down device, a high pressure pipeline, a high pressure water pumping station and a machine body, wherein the machine body comprises a traveling mechanism; the water jet segmenting device is arranged at the front part of the water jet cutting-down device; the high pressure water pumping station is connected to the water jet segmenting device and the water jet cutting-down device through the high pressure pipeline; and the water jet segmenting device, the water jet cutting-down device and the high pressure water pumping station are arranged on the machine body. The water-cutting segmentation coal mining machine is high in lump coal ratio and capable of cutting coal into regular shapes; the machine improves the use value and economic value of raw coal, and is capable of saving energy source, low in energy consumption and dust, compact in equipment structure, convenient to use and further capable of saving materials consumed; under the condition that the machine body does not turn, continuous coal mining can be realized through the forward and backward movement of the machine body; as a result, the coal mining corollary equipment is not used; and the machine also can be used as a heading machine to perform the headwork of a roadway, thereby forming various chambers and roadways.
Description
Technical field
The utility model belongs to coal mining field, is specifically related to the water cutting that a kind of water cutting tapping coal method uses and cuts coal-winning machine.
Background technology
Existing coal-mining method has mechanical coal-mining method, hydraulic mining method, blasting coal mining method etc.Under the big or unsettled coal seam conditions in some inclination angles, modern mechanical coal-mining method be can't use, hydraulic mining method or blasting coal mining method often adopted.Present hydraulic mining method is to adopt hydraulic giant fixed point jet impulse coal breakage, and the hydraulic giant range has determined the coal mining distance, adopts this coal winning technology; Required hydraulic pressure is big, the water yield is more, and hydraulic giant is bigger with coal breakage point distance, and normal appearance is towards adopting in the process; The buttress inside ceiling panel collapses to fall or scurry cash in advance; Block monitoring, make to dash to adopt in advance and finish, the rate of extraction is low.
The blasting coal mining method is to be employed on the rib method of drilling and blasting to mine, and coal mining efficient is low, dangerous big, is more original a kind of coal-mining method.
In condition coal seam preferably, widely used is mechanical coal-mining method, and the coal excavation apparatus that mechanical coal-mining method mainly adopts is drum shearer or coal plough.Drum shearer productivity ratio is high, but lump coal rate is low, dust is big; The coal plough lump coal rate is higher, dust is little, but production efficiency is low, the coal seam bad adaptability.
The utility model content
For overcoming the deficiency that above-mentioned coal-mining method and coal excavation apparatus exist, the purpose of the utility model provides a kind of water cutting tapping coal method and coal-winning machine is cut in the water cutting.
The utility model is realized through following technical scheme: coal-winning machine is cut in the water cutting that a kind of water cutting tapping coal method is used; Comprise water cutter cutting device, water lancinate dropping control device, pressure duct, high-pressure water prmp room and fuselage etc.; Fuselage comprises walking mechanism; Water cutter cutting device is arranged on the lancinate front portion of dropping control device of water, and high-pressure water prmp room and water cutter cutting device, the water dropping control device that lancinates is connected through pressure duct, and lancinate dropping control device, high-pressure water prmp room of water cutter cutting device, water is arranged on the fuselage.
Described fuselage comprises lifting gear; Water cutter cutting device and/or the water dropping control device that lancinates is arranged on the lifting gear; Lifting gear is connected with fuselage, and lifting gear can be realized the lancinate height change of dropping control device and/or coal breakage mechanism of water cutter cutting device, water, reaches different coal mining height.
Water cutter cutting device comprises nozzle, fixed mount, and nozzle is arranged on the fixed mount, and the effect of water cutter cutting device is that rib is carried out cutting on short transverse, obtains the coal cinder that is of moderate size.
The water dropping control device that lancinates comprises coal breakage mechanism, nozzle, and nozzle is arranged in the coal breakage mechanism, and the lancinate effect of dropping control device of water is that coal with the cutting of water cutter cutting device falls from the rib shovel.
Described coal breakage mechanism comprises wedge shovel, conehead, wedge fork, dials hammer, thumb wheel and/or ripping bar, expands or group fall in the coal seam after coal breakage mechanism will cut.
Described coal breakage mechanism comprises nozzle, and nozzle comprises wedge shape nozzle, spade nozzle, conical nozzle.
In order to reach better result of use, water cutter cutting device comprises the nozzle guiding mechanism, and nozzle is arranged on the nozzle guiding mechanism, and the nozzle guiding mechanism is arranged on the fixed mount, and nozzle is the track operation in the drive lower edge of nozzle guiding mechanism.
Described nozzle guiding mechanism comprises rack-and-pinion, rope and ropewinder, bolt and nut, sprocket wheel and chain, hydraulic cylinder and/or cylinder etc.
Described lifting gear adopts vertical lift device or rocking arm lifting gear, and when adopting the rocking arm lifting gear, for guaranteeing the nozzle direction on the fixed mount, the rocking arm lifting gear comprises connecting rod, is provided with connecting rod between fixed mount and the fuselage, and connecting rod is parallel with rocking arm and isometric.
Described water cutter cutting device comprises position travel mechanism, and water cutter cutting device and/or the water dropping control device that lancinates is provided with slew gear, or is symmetrical set water cutter cutting device and/or the water dropping control device that lancinates on the lifting gear, can realize reverse coal mining.
Vertical lift device comprises rack-and-pinion, rope and ropewinder, bolt and nut, sprocket wheel and chain, hydraulic cylinder and/or cylinder etc.
In order to prevent ultra large coal, the water cutting is cut coal-winning machine and is also comprised crushing mechanism, and crushing mechanism adopts rotary impact type crushing mechanism and/or reciprocal impact crusher structure.
Fuselage comprises material guiding shovel, and material guiding shovel will be adopted the coal that falls and import on the transport.
Described fuselage is provided with walking mechanism, electric-control system etc.
The course of work that coal-winning machine is cut in the cutting of the utility model water is: high-pressure water prmp room is transported to the lancinate nozzle of dropping control device of water cutter cutting device, water with water under high pressure through pressure duct, and nozzle forms the water cutter with high-pressure water jet and cuts rib, and fuselage is operation forward under the driving of walking mechanism; Water cutter cutting device cuts layering with the coal seam with rib on the coal mining direction; The water dropping control device that lancinates cuts the coal seam of layering and rib and leaves, and coal breakage mechanism comes off the coal that is cut simultaneously, and imports transport through material guiding shovel; When ultra large coal occurring; Crushing mechanism is crushed to the moderate coal cinder of lumpiness with it, and fuselage is operation forward constantly, realizes mining continuously.During reverse the coal mining; Water cutter cutting device moves to the other end, or water cutter cutting device, water lancinate dropping control device, coal breakage mechanism through the slew gear revolution, or water cutter cutting device, water lancinate dropping control device, coal breakage mechanism symmetric arrangement; Realize reverse the coal mining; Through the up-down of lifting gear, make water cutter cutter sweep be in different height, realize different mining heights coal minings.
The beneficial effect of the utility model is: compare with existing coal-mining method, the lump coal rate of (1) this method is high; (2) can coal be cut into regular shape, improve the use value and the economic worth of raw coal; (3) energy conservation, it is low to consume energy, and dust is few, and compact equipment is easy to use, practices thrift consumptive material; (4) can uncomfortable favourable turn body, the operation through the fuselage both forward and reverse directions realizes continuous coal mining, has omitted the coal mining corollary equipment, has practiced thrift the investment of coal excavation apparatus; (5) this equipment can be done development machine usefulness, accomplishes the headwork in tunnel, excavates various chambers and tunnel; (6) housing construction is simply light and handy, and power consumption is little, has simplified coal winning technology and equipment greatly; (7) operate steadily, noiselessness, (8) adopt the water coal that lancinates can not produce spark, and are safe; (9) adopt the cutting of water cutter to remove devices such as the spraying of mechanical coal mining, water spray, cooling, it is few to make device structure simplify the low maintenance of fault rate.
Description of drawings
Fig. 1 looks sketch map for the master of embodiment 1;
Fig. 2 is the schematic top plan view of embodiment 1;
Fig. 3 looks sketch map for the master of embodiment 2;
The schematic top plan view of Fig. 4 embodiment 2;
The master of Fig. 5 embodiment 3 looks sketch map;
The master of Fig. 6 embodiment 4 looks sketch map;
The master of Fig. 7 embodiment 5 looks sketch map;
The master of Fig. 8 embodiment 6 looks sketch map;
The schematic top plan view of Fig. 9 embodiment 7;
The schematic top plan view of Figure 10 embodiment 8;
The schematic top plan view of Figure 11 embodiment 9;
The master of Figure 12 embodiment 10 looks sketch map.
Among the figure: 1-water cutter cutting device, 2-water lancinate dropping control device, 3-lifting gear, 4-fuselage, 5-pressure duct, 6-high-pressure water prmp room, 1.1-coal breakage mechanism, 1.2-nozzle, 1.3-fixed mount, 1.4-nozzle guiding mechanism, 7-crushing mechanism, 8-walking mechanism, 9-electric-control system, 10-slew gear, 11-travel mechanism, 12-connecting rod, 13-material guiding shovel.
The specific embodiment
The utility model is realized through following technical scheme: a kind of water cutting tapping coal method; When the water cutter cutting device that coal-winning machine is cut in the water cutting carries out transversally cutting to rib and/or after the cutting; Water lancinates dropping control device to by the coal seam of cutting cutting and coal breakage, and fuselage is advanced and driven water cutter cutting device, the water dropping control device that lancinates and advance and realize mining continuously.
The utility model comprises that also a kind of water cutting cuts coal-winning machine; Like Fig. 1 or shown in Figure 2; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described fuselage 4 comprises lifting gear 3; Water cutter cutting device 1, the water dropping control device 2 that lancinates is arranged on the lifting gear 3; Lifting gear 3 is connected with fuselage 4, and lifting gear 3 can be realized the lancinate height change of dropping control device 2 of water cutter cutting device 1, water, reaches different coal mining height.
Water cutter cutting device 1 comprises nozzle 1.2, fixed mount 1.3, and nozzle is arranged on the fixed mount 1.3, and the effect of water cutter cutting device 1 is that rib is carried out cutting on short transverse, obtains the coal cinder that is of moderate size.
The water dropping control device 2 that lancinates comprises coal breakage mechanism 1.1, nozzle 1.2, and nozzle 1.2 is arranged in the coal breakage mechanism 1.1, and the lancinate effect of dropping control device 2 of water is that coal with the cutting of water cutter cutting device falls from the rib shovel.
Described coal breakage mechanism 1.1 is the wedge shovel, also can adopt conehead, wedge fork, dial hammer, nozzle, thumb wheel and/or ripping bar, expands or group fall in the coal seam after coal breakage mechanism 1.1 will cut.
Described lifting gear 3 adopts the vertical lift device 3 of sprocket wheel and chain structure, and vertical lift device 3 also can adopt rack-and-pinion, rope and ropewinder, bolt and nut, hydraulic cylinder and/or cylinder etc.
In order to prevent ultra large coal, the water cutting is cut coal-winning machine and is also comprised crushing mechanism 7, and crushing mechanism 7 adopts rotary impact type crushing mechanism 7, also can adopt reciprocal impact crusher structure 7.
Described fuselage 4 is provided with walking mechanism 8, electric-control system 9 etc.
Like Fig. 3 or shown in Figure 4; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described coal breakage mechanism 1.1 is the wedge fork, also can adopt conehead, wedge shovel, dial hammer, nozzle, thumb wheel and/or ripping bar, expands or group fall in the coal seam after coal breakage mechanism 1.1 will cut.
Described water cutter cutting device 1 comprises travel mechanism 11, and lancinate dropping control device 2, coal breakage mechanism 1.1 of water is provided with slew gear 10, can realize reverse coal mining.
Other is with embodiment 1.
As shown in Figure 5; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described lifting gear 3 adopts the vertical lift device 3 of bolt and nut structure, also can adopt rack-and-pinion, rope and ropewinder, sprocket wheel and chain, hydraulic cylinder and/or cylinder etc.
Other is with embodiment 1.
As shown in Figure 6; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Be symmetrical set water cutter cutting device 1, the water dropping control device 2 that lancinates on the described lifting gear 3, can realize reverse coal mining.
Other is with embodiment 1.
As shown in Figure 7; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
In order to reach better result of use; Water cutter cutting device 1 comprises nozzle guiding mechanism 1.4; Nozzle 1.2 is arranged on the nozzle guiding mechanism 1.4, and nozzle guiding mechanism 1.4 is arranged on the fixed mount 1.3, and nozzle 1.2 is the track operation in the drive lower edge of nozzle guiding mechanism 1.4.
Described nozzle guiding mechanism 1.4 adopts the bolt and nut structure, also can adopt rack-and-pinion, rope and ropewinder, sprocket wheel and chain, hydraulic cylinder and/or cylinder etc.
Other is with embodiment 1.
As shown in Figure 8; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
In order to prevent ultra large coal, the water cutting is cut coal-winning machine and is also comprised crushing mechanism 7, and crushing mechanism 7 adopts reciprocal impact crusher structure 7, also can adopt rotary impact type crushing mechanism 7.
Other is with embodiment 1.
As shown in Figure 9; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described coal breakage mechanism 1.1 is a thumb wheel, also can adopt conehead, wedge shovel, dial hammer, wedge fork and/or ripping bar, and the coal seam after coal breakage mechanism 1.1 will cut dials.
Other is with embodiment 1.
Embodiment 8
Shown in figure 10; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described coal breakage mechanism 1.1 is a nozzle 1.2, and promptly coal breakage mechanism 1.1 be an integral structure with nozzle 1.2, and nozzle 1.2 employing wedge structures also can adopt taper, spade.
Other is with embodiment 1.
Embodiment 9
Shown in figure 11; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described coal breakage mechanism 1.1 is a nozzle 1.2, and promptly coal breakage mechanism 1.1 be an integral structure with nozzle 1.2, and nozzle 1.2 employing pyramidal structures also can adopt wedge shape, spade.
Other is with embodiment 1.
Shown in figure 12; Coal-winning machine is cut in a kind of water cutting; Comprise water cutter cutting device 1, water lancinate dropping control device 2, pressure duct 5, high-pressure water prmp room 6 and fuselage 4 etc.; Water cutter cutting device 1 is arranged on the lancinate front portion of dropping control device 2 of water, and high-pressure water prmp room 6 and water cutter cutting device 1, the water dropping control device 2 that lancinates is connected through pressure duct 5, and lancinate dropping control device 2, high-pressure water prmp room 6 of water cutter cutting device 1, water is arranged on the fuselage.
Described lifting gear 3 adopts rocking arm lifting gear 3, when adopting rocking arm lifting gear 3, for guaranteeing nozzle 1.2 directions on the fixed mount 1.3, is provided with connecting rod 12 between fixed mount 1.3 and the fuselage 4, and connecting rod 12 is parallel with rocking arm and isometric.
Be symmetrical set water cutter cutting device 1, water lancinate dropping control device 2 and coal breakage mechanism 1.1 on the described lifting gear 3, can realize reverse coal mining.
Other is with embodiment 1.
Claims (17)
1. coal-winning machine is cut in the water cutting used of a water cutting tapping coal method; Comprise water cutter cutting device, water lancinate dropping control device, pressure duct, high-pressure water prmp room and fuselage etc.; Fuselage comprises walking mechanism; It is characterized in that: water cutter cutting device is arranged on the lancinate front portion of dropping control device of water, and high-pressure water prmp room and water cutter cutting device, the water dropping control device that lancinates is connected through pressure duct, and lancinate dropping control device, high-pressure water prmp room of water cutter cutting device, water all is arranged on the fuselage.
2. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: water cutter cutting device comprises nozzle, fixed mount, and nozzle is arranged on the fixed mount.
3. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: the water dropping control device that lancinates comprises coal breakage mechanism, nozzle, and nozzle is arranged in the coal breakage mechanism.
4. coal-winning machine is cut in water cutting according to claim 3, it is characterized in that: described coal breakage mechanism comprises conehead, wedge fork, thumb wheel, dials hammer and/or ripping bar.
5. coal-winning machine is cut in water cutting according to claim 3, it is characterized in that: described coal breakage mechanism comprises the wedge shovel.
6. coal-winning machine is cut in water cutting according to claim 3, it is characterized in that: described coal breakage mechanism comprises nozzle.
7. coal-winning machine is cut in water cutting according to claim 6, it is characterized in that: described nozzle comprises wedge shape nozzle, spade nozzle, conical nozzle.
8. coal-winning machine is cut in water cutting according to claim 1; It is characterized in that: water cutter cutting device comprises the nozzle guiding mechanism; Nozzle is arranged on the nozzle guiding mechanism, and the nozzle guiding mechanism is arranged on the fixed mount, and nozzle is the track operation in the drive lower edge of nozzle guiding mechanism.
9. coal-winning machine is cut in water cutting according to claim 1, and it is characterized in that: fuselage comprises lifting gear, and lifting gear comprises vertical lift device.
According to Claim 8 or 9 described water cuttings cut coal-winning machine, it is characterized in that: described nozzle guiding mechanism and/or vertical lift device comprise wheel and rack, rope and ropewinder, bolt and nut, sprocket wheel and chain, hydraulic cylinder and/or cylinder.
11. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: described water cutter cutting device comprises position travel mechanism.
12. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: described water cutter cutting device and/or the water dropping control device that lancinates is provided with slew gear.
13. coal-winning machine is cut in water cutting according to claim 9, it is characterized in that: described lifting gear is symmetrical set water cutter cutting device and/or the water dropping control device that lancinates.
14. coal-winning machine is cut in water cutting according to claim 9, it is characterized in that: lifting gear comprises the rocking arm lifting gear.
15. coal-winning machine is cut in water cutting according to claim 14, it is characterized in that: the rocking arm lifting gear comprises connecting rod, is provided with connecting rod between fixed mount and the fuselage, connecting rod is parallel with rocking arm and isometric.
16. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: the water cutting is cut coal-winning machine and is comprised crushing mechanism, and crushing mechanism adopts rotary impact type crushing mechanism and/or reciprocal impact crusher structure.
17. coal-winning machine is cut in water cutting according to claim 1, it is characterized in that: described fuselage comprises material guiding shovel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204364973U CN202360090U (en) | 2011-11-07 | 2011-11-07 | Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204364973U CN202360090U (en) | 2011-11-07 | 2011-11-07 | Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method |
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| Publication Number | Publication Date |
|---|---|
| CN202360090U true CN202360090U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204364973U Expired - Fee Related CN202360090U (en) | 2011-11-07 | 2011-11-07 | Water-cutting segmentation coal mining machine for water-cutting segmentation coal mining method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089256A (en) * | 2011-11-07 | 2013-05-08 | 刘素华 | Water cutting falling coal mining method and water cutting falling coal mining machine |
| CN103195420A (en) * | 2012-01-10 | 2013-07-10 | 刘素华 | Method for buffering reciprocating impact tunneling counter-acting force and buffering heading machine adopting the method |
| CN106499209A (en) * | 2016-12-16 | 2017-03-15 | 林群富 | A kind of ultrahigh pressure large-scale floor disintegrating machine |
| CN107165639A (en) * | 2017-06-07 | 2017-09-15 | 中铁二院工程集团有限责任公司 | A kind of contactless Stress relieving of surrounding rocks method based on high-pressure water knife |
-
2011
- 2011-11-07 CN CN2011204364973U patent/CN202360090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089256A (en) * | 2011-11-07 | 2013-05-08 | 刘素华 | Water cutting falling coal mining method and water cutting falling coal mining machine |
| CN103195420A (en) * | 2012-01-10 | 2013-07-10 | 刘素华 | Method for buffering reciprocating impact tunneling counter-acting force and buffering heading machine adopting the method |
| CN106499209A (en) * | 2016-12-16 | 2017-03-15 | 林群富 | A kind of ultrahigh pressure large-scale floor disintegrating machine |
| CN107165639A (en) * | 2017-06-07 | 2017-09-15 | 中铁二院工程集团有限责任公司 | A kind of contactless Stress relieving of surrounding rocks method based on high-pressure water knife |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20151107 |
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| EXPY | Termination of patent right or utility model |