CN103277095A - Lump coal mining and cutting machine - Google Patents
Lump coal mining and cutting machine Download PDFInfo
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- CN103277095A CN103277095A CN2013102147858A CN201310214785A CN103277095A CN 103277095 A CN103277095 A CN 103277095A CN 2013102147858 A CN2013102147858 A CN 2013102147858A CN 201310214785 A CN201310214785 A CN 201310214785A CN 103277095 A CN103277095 A CN 103277095A
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Abstract
The invention relates to a lump coal mining and cutting machine comprising a machine body, wherein a material guide hopper and a crushing device are arranged at the middle of the machine body; a first upper cutting part, a first lower cutting part and a first lateral cutting part are arranged at one side of the machine body, a first extrapolating device used for extruding the inner side of a coal layer outwards is arranged on the first lateral cutting part, a first loading mechanism is arranged below the first lateral cutting part, and the first loading mechanism is connected with the material guide hopper through a first conveying part; a second upper cutting part, a second lower cutting part and a second lateral cutting part are arranged at the other side of the machine body, a second extrapolating device used for extruding the inner side of the coal layer outwards is arranged on the second lateral cutting part, a second loading mechanism is arranged below the second lateral cutting part, and the second loading mechanism is connected with the material guide hopper through a second conveying part. The upper cutting parts, the lower cutting parts and the lateral cutting parts are respectively arranged at the two sides of the machine body of the lump coal mining and cutting machine along the walking direction, thereby capable of mining and cutting coal towards left and right sides along a coal mining working surface to exponentially improve the production efficiency.
Description
Technical field
The present invention relates to the cutting machine in coal seam, but a kind of lump coal tapping machine of extraction lumped coal specifically.
Background technology
At present, domestic industry and common people's wilderness demand lumped coal are about 2 times of broken coal price in lumped coal price on the market, and economic benefit is huge.But the coal of existing general coal-winning machine extraction is broken coal, can't the extraction lumped coal.
The applicant applied on April 18th, 2011, the patent No. is: 201110095710.3, but the patent of invention that name is called the lump coal tapping machine discloses a kind of cutting machine of extraction lumped coal, but this patent can only tap towards a direction along coal work, production efficiency is lower; This patent adopts the self-propelled walking mechanism in addition, and cost is higher.
Summary of the invention
The present invention is directed to the lower problem of existing lump coal tapping machine production efficiency, provide a kind of production efficiency high lump coal tapping machine.
According to technical scheme of the present invention: a kind of lump coal tapping machine, comprise fuselage, described fuselage is arranged with along the walking mechanism of coal-face walking; The breaker that the middle part that described fuselage follows away direction is provided with material guiding hopper and links to each other with described material guiding hopper; The side that described fuselage follows away direction is provided with cutting units on first, first time cutting units and the first side cutting units, the described first side cutting units is arranged at the rear of cutting units and described first time cutting units traffic direction on described first, the described first side cutting units is provided with the first extrapolation device of inside portion, outside extruding coal seam, the below of the described first side cutting units is provided with first loader mechanism, and described first loader mechanism is linked by first delivery section and described material guiding hopper; The opposite side that described fuselage follows away direction is provided with cutting units on second, second time cutting units and the second side cutting units, the described second side cutting units is positioned at the rear of cutting units and described second time cutting units traffic direction on described second, the described second side cutting units is provided with the second extrapolation device of inside portion, outside extruding coal seam, the below of the described second side cutting units is provided with second loader mechanism, and described second loader mechanism is linked by second delivery section and described material guiding hopper.
On described first on cutting units, described first time cutting units, the described first side cutting units, described second end of cutting units, described second time cutting units and the described second side cutting units be hinged on respectively on the described fuselage, and each cutting units, link to each other with described fuselage by oil cylinder respectively.
On described first cutting units comprise successively connect first on cutting units motor on the cutting units reductor and first on the cutting units cutterhead, first, the cutting units reductor is hinged on the described fuselage on described first, is hinged with cutting units adjust high cylinder on first between cutting units reductor and the described fuselage on described first; Described first time cutting units comprises first time cutting units cutterhead, first time cutting units reductor and the first time cutting units motor that connects successively, described first time cutting units reductor is hinged on the described fuselage, is hinged with first time the cutting units adjust high cylinder between described first time cutting units reductor and the described fuselage; The described first side cutting units comprises the first side cutting units cutterhead, the first side cutting units reductor and the first side cutting units motor that connects successively, the described first side cutting units reductor is hinged on the described fuselage, is hinged with the first side cutting units adjust high cylinder between the described first side cutting units reductor and the described fuselage.
The cutting units cutterhead adopts cutting drum on described first, and described first time cutting units cutterhead adopts cutting drum, and the described first side cutting units cutterhead adopts cutting disc.
The cutting units cutterhead is in the front upper place of the described first side cutting units cutterhead on described first, and described first time cutting units cutterhead is in the front lower place of the first side cutting units cutterhead.
On described second cutting units comprise successively connect second on cutting units motor on the cutting units reductor and second on the cutting units cutterhead, second, the cutting units reductor is hinged on the described fuselage on described second, is hinged with cutting units adjust high cylinder on second between cutting units reductor and the described fuselage on described second; Described second time cutting units comprises second time cutting units cutterhead, second time cutting units reductor and the second time cutting units motor that connects successively, described second time cutting units reductor is hinged on the described fuselage, is hinged with second time the cutting units adjust high cylinder between described second time cutting units reductor and the described fuselage; The described second side cutting units comprises the second side cutting units cutterhead, the second side cutting units reductor and the second side cutting units motor that connects successively, the described second side cutting units reductor is hinged on the described fuselage, is hinged with the second side cutting units adjust high cylinder between the described second side cutting units reductor and the described fuselage.
The cutting units cutterhead adopts cutting drum on described second, and described second time cutting units cutterhead adopts cutting drum, and the described second side cutting units cutterhead adopts cutting disc.
The cutting units cutterhead is in the front upper place of the described second side cutting units cutterhead on described second, and described second time cutting units cutterhead is in the front lower place of the described second side cutting units cutterhead.
Described walking mechanism adopts gear drive, comprises the traction gear that is arranged on described fuselage bottom and is arranged on the track of described fuselage below, and described traction gear is engaged on the described track.
The below of described fuselage is provided with the scraper plate machine, and described track is arranged on the described scraper plate machine.Fuselage under traction gear drives along coal-face can be forward on the scraper plate machine, walking backward.
Technique effect of the present invention is: the present invention is respectively arranged with cutting units, following cutting units in the both sides that fuselage follows away direction, side cutting units and side cutting units are provided with the extrapolation device of inside portion, outside extruding coal seam, can along coal-face to the left and right both direction tap, improved production efficiency exponentially; The height of each cutting units is all independent adjustable, makes the present invention can adapt to the coal-face of cut differing heights, has improved the scope of application of the present invention; Walking mechanism adopts gear drive, and is simple in structure, reduced the cost of complete machine.
Description of drawings
Fig. 1 is structural front view of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the rear elevation of Fig. 1.
Fig. 4 is the structural front view of cutting units in first among the present invention.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the structural front view of first time cutting units among the present invention.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the structural front view of the first side cutting units among the present invention.
Fig. 9 is the vertical view of Fig. 8.
Figure 10 is the structural front view of cutting units in second among the present invention.
Figure 11 is the vertical view of Figure 10.
Figure 12 is the structural front view of second time cutting units among the present invention.
Figure 13 is the vertical view of Figure 12.
Figure 14 is the structural front view of the second side cutting units among the present invention.
Figure 15 is the vertical view of Figure 14.
Among Fig. 1～Figure 15, comprise cutting units 1 first time, first time cutting units adjust high cylinder 2, cutting units adjust high cylinder 3 on first, cutting units 4 on first, the first side cutting units 5, the first side cutting units adjust high cylinder 6, the second side cutting units adjust high cylinder 7, the second side cutting units 8, cutting units 9 on second, cutting units adjust high cylinder 10 on second, second time cutting units adjust high cylinder 11, second time cutting units 12, traction gear 13, second delivery section 14, material guiding hopper 15, breaker 16, first delivery section 17, fuselage 18, scraper plate machine 19, the first extrapolation device 20, first loader mechanism 21, second loader mechanism 22, the second extrapolation device 23, track 24, the second loader mechanism adjust high cylinder 25, the first loader mechanism adjust high cylinder 26, cutting units reductor 27 on first, cutting units motor 28 on first, the cutting units reductor first hinged secondary 29 on first, the cutting units reductor second hinged secondary 30 on first, cutting units cutterhead 31 on first, first time cutting units reductor first hinged secondary 32, first time cutting units reductor second hinged secondary 33, first time cutting units motor 34, first time cutting units reductor 35, first time cutting units cutterhead 36, the first side cutting units cutterhead 37, the first side cutting units reductor 38, the first side cutting units motor 39, the first side cutting units reductor first hinged secondary 40, the first side cutting units reductor second hinged secondary 41, cutting units reductor 42 on second, cutting units motor 43 on second, the cutting units reductor first hinged secondary 44 on second, the cutting units reductor second hinged secondary 45 on second, cutting units cutterhead 46 on second, second time cutting units reductor first hinged secondary 47, second time cutting units reductor second hinged secondary 48, second time cutting units motor 49, second time cutting units reductor 50, second time cutting units cutterhead 51, the second side cutting units cutterhead 52, the second side cutting units reductor 53, the second side cutting units motor 54, the second side cutting units reductor first hinged secondary 55, the second side cutting units reductor second hinged secondary 56 etc.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
As shown in Figure 1-Figure 3, the present invention is a kind of lump coal tapping machine, comprises fuselage 18, and fuselage 18 is arranged with along the walking mechanism of coal-face walking.Walking mechanism among the present invention adopts gear drive, comprises the traction gear 13 that is arranged on fuselage 18 bottoms and is arranged on the track 24 of fuselage 18 belows, and traction gear 13 is engaged on the track 24.When the present invention works, be installed in along on the scraper plate machine 19 of coal-face setting, track 24 is arranged on the scraper plate machine 19.
The breaker 16 that the middle part that fuselage 18 follows away direction is provided with material guiding hopper 15 and links to each other with material guiding hopper 15, material guiding hopper 15 is used for playing the guiding role to tapping the coal cinder that gets off, and breaker 16 is broken into the lump coal of an amount of size with gathering coal, is convenient to conveying.
The side that fuselage 18 follows away direction is provided with cutting units 4 on first, first time cutting units 1 and the first side cutting units 5.Cutting units 4 is used for the top in horizontal cut coal seam on first, and first time cutting units 1 is used for the bottom in horizontal cut coal seam, and the first side cutting units 5 is used for vertical cut coal seam.
The first side cutting units 5 is arranged at the rear of cutting units 4 and first time cutting units 1 traffic direction on first, and the first side cutting units 1 is provided with the first extrapolation device 20 of inside portion, outside extruding coal seam.The below of the first side cutting units 1 is provided with first loader mechanism, 21, the first loader mechanisms 21 and is linked with material guiding hopper 15 by first delivery section 17.
The opposite side that fuselage 18 follows away direction is provided with cutting units 9 on second, second time cutting units 12 and the second side cutting units 8.Cutting units 9 is used for the top in horizontal cut coal seam on second, and second time cutting units 12 is used for the bottom in horizontal cut coal seam, and the second side cutting units 8 is used for vertical cut coal seam.
The second side cutting units 8 is positioned at the rear of cutting units 9 and second time cutting units 12 traffic direction on second, and the second side cutting units 8 is provided with the second extrapolation device 23 of inside portion, outside extruding coal seam.The below of the second side cutting units 8 is provided with second loader mechanism, 22, the second loader mechanisms 22 and is linked with material guiding hopper 15 by second delivery section 14.
The first extrapolation device 20 adopts prior aries with the second extrapolation device 23, with the applicant in application on April 18th, 2011, the patent No. is: 201110095710.3, the structure that is called the extrapolation device in the lump coal tapping machine is the same.
In order to adapt to the coal-face of cut differing heights, the end of cutting units 9 on cutting units 4 on first, first time cutting units 1, the first side cutting units 5, second, second time cutting units 12 and the second side cutting units 8 is hinged on respectively on the fuselage 18, and each cutting units, links to each other with fuselage 18 by oil cylinder respectively.Oil cylinder can be realized the height adjusting of each cutting units, and works to support each cutting units.Oil cylinder also can adopt cylinder to substitute.
As Fig. 4, shown in Figure 5, on first cutting units 4 comprise successively connect first on the cutting units cutterhead 31, first on the cutting units reductor 27 and first on the cutting units motor 28, the first cutting units reductor 27 be provided with on first cutting units reductor second hinged secondary 30 on the cutting units reductor first hinged secondary 29 and first.
Cutting units cutterhead 31 preferably adopts cutting drum on first, and cutting drum is positioned at the side of cutting units reductor 27 ends on first.
As Fig. 6, shown in Figure 7, first time cutting units 1 comprises that first time cutting units cutterhead 36, first time cutting units reductor 35 and 34, the first times cutting units reductors 35 of first time cutting units motor of connecting successively are provided with first time cutting units reductor first hinged secondary 32 and first time cutting units reductor second hinged secondary 33.
First time cutting units reductor 35 is hinged on the fuselage 18 by first time cutting units reductor second hinged secondary 33, is hinged with cutting units adjust high cylinder 2 first time between first time cutting units reductor 35 and the fuselage 18.One end of first time cutting units reductor first hinged secondary 32 and first time cutting units adjust high cylinder 2 is hinged, and is hinged between the other end of first time cutting units adjust high cylinder 2 and the fuselage 18.Can regulate the height of first time cutting units 1 by controlling first time cutting units adjust high cylinder 2.
First time cutting units cutterhead 36 preferably also adopts cutting drum, and cutting drum is positioned at the side of first time cutting units reducer 35 end.The cutting drum of cutting units 4 should be at each cut reductor end sides equidirectional on the cutting drum of first time cutting units 1 and first.
As Fig. 8, shown in Figure 9, the first side cutting units 5 comprises that the first side cutting units cutterhead 37, the first side cutting units reductor 38 and the first side cutting units motor, 39, the first side cutting units reductors 38 that connect successively are provided with the first side cutting units reductor first hinged secondary 40 and the first side cutting units reductor second hinged secondary 41
The first side cutting units reductor 38 is hinged on the fuselage 18 by the first side cutting units reductor first hinged secondary 40, is hinged with the first side cutting units adjust high cylinder 6 between the first side cutting units reductor 38 and the fuselage 18.One end of the first side cutting units reductor second hinged secondary 41 and the first side cutting units adjust high cylinder 6 is hinged, and is hinged between the other end of the first side cutting units adjust high cylinder 6 and the fuselage 18.Can regulate the height of the first side cutting units 5 by controlling the first side cutting units adjust high cylinder 6.
The first side cutting units cutterhead 37 adopts cutting disc.Cutting disc is positioned at the side of the first side cutting units reductor, 38 ends.The cutting drum of the cutting drum of cutting units 4 and first time cutting units 1 is at each cut reductor end sides equidirectional on the cutting disc of the first side cutting units 5 and first, cutting units cutterhead 31 is in the front upper place of the first side cutting units cutterhead 37 on first, and first time cutting units cutterhead 36 is in the front lower place of the first side cutting units cutterhead 37.
As Figure 10, shown in Figure 11, on second cutting units 9 comprise successively connect second on the cutting units cutterhead 46, second on the cutting units reductor 42 and second on the cutting units motor 43, the second cutting units reductor 42 be provided with on second cutting units reductor second hinged secondary 45 on the cutting units reductor first hinged secondary 44 and second
Cutting units cutterhead 46 preferably adopts cutting drum on second, and cutting drum is positioned at the side of cutting units reductor 42 ends on second.
As shown in Figure 12 and Figure 13, second time cutting units 12 comprises that second time cutting units cutterhead 51, second time cutting units reductor 50 and 49, the second times cutting units reductors 50 of second time cutting units motor of connecting successively are provided with second time cutting units reductor first hinged secondary 47 and second time cutting units reductor second hinged secondary 48.
Second time cutting units reductor 50 is hinged on the fuselage 18 by second time cutting units reductor second hinged secondary 48, is hinged with cutting units adjust high cylinder 11 second time between second time cutting units reductor 50 and the fuselage 18.One end of second time cutting units reductor first hinged secondary 47 and second time cutting units adjust high cylinder 11 is hinged, and is hinged between the other end of second time cutting units adjust high cylinder 11 and the fuselage 18.Can regulate the height of second time cutting units 12 by controlling second time cutting units adjust high cylinder 11.
Second time cutting units cutterhead 51 preferably also adopts cutting drum, and cutting drum is positioned at the side of second time cutting units reducer 50 end.The cutting drum of cutting units 9 should be at each cut reductor end sides equidirectional on the cutting drum of second time cutting units 12 and second.
As Figure 14, shown in Figure 15, the second side cutting units 8 comprises that the second side cutting units cutterhead 52, the second side cutting units reductor 53 and the second side cutting units motor, 54, the second side cutting units reductors 53 that connect successively are provided with the second side cutting units reductor first hinged secondary 55 and the second side cutting units reductor second hinged secondary 56.
The second side cutting units reductor 53 is hinged on the fuselage 18 by the second side cutting units reductor first hinged secondary 55, is hinged with the second side cutting units adjust high cylinder 7 between the second side cutting units reductor 53 and the fuselage 18.One end of the second side cutting units reductor second hinged secondary 56 and the second side cutting units adjust high cylinder 7 is hinged, and is hinged between the other end of the second side cutting units adjust high cylinder 7 and the fuselage 18.Can regulate the height of the second side cutting units 8 by controlling the second side cutting units adjust high cylinder 7.
The second side cutting units cutterhead 52 adopts cutting disc.Cutting disc is positioned at the side of the second side cutting units reductor, 53 ends.The cutting drum of the cutting drum of cutting units 9 and second time cutting units 12 is at each cut reductor end sides equidirectional on the cutting disc of the second side cutting units 8 and second, cutting units cutterhead 46 is in the front upper place of the second side cutting units cutterhead 52 on second, and second time cutting units cutterhead 51 is in the front lower place of the second side cutting units cutterhead 52.
The both sides that the present invention's fuselage 18 follows away direction are respectively arranged with cutting units, cutting units, side cutting units and side cutting units are provided with the extrapolation device of inside portion, outside extruding coal seam down, can along coal-face to the left and right both direction tap, improved production efficiency exponentially; The height of each cutting units is all independent adjustable, makes the present invention can adapt to the coal-face of cut differing heights, has improved the scope of application of the present invention; Walking mechanism of the present invention adopts gear drive, and is simple in structure, reduced the cost of complete machine.
Claims (10)
1. a lump coal tapping machine comprises fuselage (18), and described fuselage (18) is arranged with along the walking mechanism of coal-face walking; It is characterized in that: the breaker (16) that the middle part that described fuselage (18) follows away direction is provided with material guiding hopper (15) and links to each other with described material guiding hopper (15); The side that described fuselage (18) follows away direction is provided with cutting units on first (4), first time cutting units (1) and the first side cutting units (5), the described first side cutting units (5) is arranged at the rear of cutting units on described first (4) and described first time cutting units (1) traffic direction, the described first side cutting units (1) is provided with the first extrapolation device (20) of inside portion, outside extruding coal seam, the below of the described first side cutting units (1) is provided with first loader mechanism (21), and described first loader mechanism (21) is linked by first delivery section (17) and described material guiding hopper (15); The opposite side that described fuselage (18) follows away direction is provided with cutting units on second (9), second time cutting units (12) and the second side cutting units (8), the described second side cutting units (8) is positioned at the rear of cutting units on described second (9) and described second time cutting units (12) traffic direction, the described second side cutting units (8) is provided with the second extrapolation device (23) of inside portion, outside extruding coal seam, the below of the described second side cutting units (8) is provided with second loader mechanism (22), and described second loader mechanism (22) is linked by second delivery section (14) and described material guiding hopper (15).
2. according to the described lump coal tapping machine of claim 1, it is characterized in that: the end of cutting units (9), described second time cutting units (12) and the described second side cutting units (8) is hinged on respectively on the described fuselage (18) on cutting units on described first (4), described first time cutting units (1), the described first side cutting units (5), described second, and each cutting units, links to each other with described fuselage (18) by oil cylinder respectively.
3. according to claim 1 or 2 described lump coal tapping machines, it is characterized in that: cutting units on described first (4) comprise successively connect first on cutting units motor (28) on the cutting units reductor (27) and first on the cutting units cutterhead (31), first, cutting units reductor (27) is hinged on the described fuselage (18) on described first, is hinged with cutting units adjust high cylinder (3) on first between cutting units reductor (27) and the described fuselage (18) on described first; Described first time cutting units (1) comprises first time cutting units cutterhead (36), first time cutting units reductor (35) and the first time cutting units motor (34) that connects successively, described first time cutting units reductor (35) is hinged on the described fuselage (18), is hinged with first time cutting units adjust high cylinder (2) between described first time cutting units reductor (35) and the described fuselage (18); The described first side cutting units (5) comprises the first side cutting units cutterhead (37), the first side cutting units reductor (38) and the first side cutting units motor (39) that connects successively, the described first side cutting units reductor (38) is hinged on the described fuselage (18), is hinged with the first side cutting units adjust high cylinder (6) between the described first side cutting units reductor (38) and the described fuselage (18).
4. according to the described lump coal tapping machine of claim 3, it is characterized in that: cutting units cutterhead (31) adopts cutting drum on described first, described first time cutting units cutterhead (36) adopts cutting drum, and the described first side cutting units cutterhead (37) adopts cutting disc.
5. according to the described lump coal tapping machine of claim 3, it is characterized in that: cutting units cutterhead (31) is in the front upper place of the described first side cutting units cutterhead (37) on described first, and described first time cutting units cutterhead (36) is in the front lower place of the first side cutting units cutterhead (37).
6. according to claim 1 or 2 described lump coal tapping machines, it is characterized in that: cutting units on described second (9) comprise successively connect second on cutting units motor (43) on the cutting units reductor (42) and second on the cutting units cutterhead (46), second, cutting units reductor (42) is hinged on the described fuselage (18) on described second, is hinged with cutting units adjust high cylinder (10) on second between cutting units reductor (42) and the described fuselage (18) on described second; Described second time cutting units (12) comprises second time cutting units cutterhead (51), second time cutting units reductor (50) and the second time cutting units motor (49) that connects successively, described second time cutting units reductor (50) is hinged on the described fuselage (18), is hinged with second time cutting units adjust high cylinder (11) between described second time cutting units reductor (50) and the described fuselage (18); The described second side cutting units (8) comprises the second side cutting units cutterhead (52), the second side cutting units reductor (53) and the second side cutting units motor (54) that connects successively, the described second side cutting units reductor (53) is hinged on the described fuselage (18), is hinged with the second side cutting units adjust high cylinder (7) between the described second side cutting units reductor (53) and the described fuselage (18).
7. according to the described lump coal tapping machine of claim 6, it is characterized in that: cutting units cutterhead (46) adopts cutting drum on described second, described second time cutting units cutterhead (51) adopts cutting drum, and the described second side cutting units cutterhead (52) adopts cutting disc.
8. according to the described lump coal tapping machine of claim 6, it is characterized in that: cutting units cutterhead (46) is in the front upper place of the described second side cutting units cutterhead (52) on described second, and described second time cutting units cutterhead (51) is in the front lower place of the described second side cutting units cutterhead (52).
9. according to the described lump coal tapping machine of claim 1, it is characterized in that: described walking mechanism adopts gear drive, comprise the traction gear (13) that is arranged on described fuselage (18) bottom and the track (24) that is arranged on described fuselage (18) below, described traction gear (13) is engaged on the described track (24).
10. according to the described lump coal tapping machine of claim 9, it is characterized in that: the below of described fuselage (18) is provided with scraper plate machine (19), and described track (24) is arranged on the described scraper plate machine (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102147858A CN103277095A (en) | 2013-06-03 | 2013-06-03 | Lump coal mining and cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102147858A CN103277095A (en) | 2013-06-03 | 2013-06-03 | Lump coal mining and cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN103277095A true CN103277095A (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102147858A Pending CN103277095A (en) | 2013-06-03 | 2013-06-03 | Lump coal mining and cutting machine |
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| CN (1) | CN103277095A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011585A (en) * | 2010-11-16 | 2011-04-13 | 杜孟怀 | Lump coal cutter |
| CN102278112A (en) * | 2011-05-13 | 2011-12-14 | 三一重型装备有限公司 | Rail used for travelling of coal mining machine and scraper conveyor |
| CN102691500A (en) * | 2011-03-19 | 2012-09-26 | 刘素华 | Sawing-impacting coal cutter |
| CN203271738U (en) * | 2013-06-03 | 2013-11-06 | 杜孟怀 | Lump coal mining machine |
-
2013
- 2013-06-03 CN CN2013102147858A patent/CN103277095A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011585A (en) * | 2010-11-16 | 2011-04-13 | 杜孟怀 | Lump coal cutter |
| CN102465702A (en) * | 2010-11-16 | 2012-05-23 | 杜孟怀 | Lump coal mining machine |
| CN102691500A (en) * | 2011-03-19 | 2012-09-26 | 刘素华 | Sawing-impacting coal cutter |
| CN102278112A (en) * | 2011-05-13 | 2011-12-14 | 三一重型装备有限公司 | Rail used for travelling of coal mining machine and scraper conveyor |
| CN203271738U (en) * | 2013-06-03 | 2013-11-06 | 杜孟怀 | Lump coal mining machine |
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Application publication date: 20130904 |