CN104047603A - Cutter head for longwall shearer - Google Patents
Cutter head for longwall shearer Download PDFInfo
- Publication number
- CN104047603A CN104047603A CN201410182741.6A CN201410182741A CN104047603A CN 104047603 A CN104047603 A CN 104047603A CN 201410182741 A CN201410182741 A CN 201410182741A CN 104047603 A CN104047603 A CN 104047603A
- Authority
- CN
- China
- Prior art keywords
- blade
- shank
- sword surface
- cylinder
- drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 20
- 238000013459 approach Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/52—Machines incorporating two or more of the slitting means according to groups E21C25/02, E21C25/06, E21C25/16, E21C25/20 and E21C25/22
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/08—Guiding the machine
- E21C35/12—Guiding the machine along a conveyor for the cut material
Abstract
A cutter head for a longwall shearer includes a drum, a vane, and a plurality of cutting bits. The drum includes a first end and a second end and defines an axis of rotation extending therebetween. The vane is connected to the drum and extends in a helical manner along at least a portion of the axis. The vane defines an edge surface extending along an outer perimeter of the vane. The cutting bits are secured to the vane edge surface. Each cutting bit includes a block and a bit coupled to the block. The block is secured to the edge surface and extends beyond the outer perimeter of the vane.
Description
The cross reference of related application
The application requires the U.S. Provisional Application No.61/799 of pending trial when formerly submitting on March 15th, 2013,366 rights and interests, and its full content is incorporated to herein by reference.
Technical field
The present invention relates to digger field.Especially, the present invention relates to a kind of cutter head for longwall shearer.
Background technology
Conventional coal mining machine barrel comprises the radial cutting drill bit that is arranged in drill bit keeper.This cylinder comprises helical blade, and this helical blade has the loading fence extending along the periphery of blade.This fence is pressed to the material cutting in the space between blade surface, and blade will be sent to the face conveyor at the rear that is positioned at coal mining machine barrel from the material cutting of getting working face.Blade comprises the otch forming along loading fence, and drill bit keeper is connected to the blade in otch.Drill bit keeper has the slot of the radius aligning extending along the longitudinal axis from cylinder.The outer rim that loads fence has the constant radius with respect to cylinder longitudinal axis, and loads the constant distance that fence has the below of bit point of the drill radius, to prevent loading fence against firm not cutting material friction, thereby prevents from damaging and ignited flammable gas.In one embodiment, in the minimum range loading between fence and bit point of the drill, be about 100mm.United States Patent (USP) 4,657,308 have shown the example of front percussion bit (forward attack) and drill bit keeper, this example also needs the breach blade in cylinder.
Summary of the invention
In one aspect, the invention provides a kind of longwall shearer, for removing material from getting working face.This longwall shearer comprises movable chassis, the first arm, the second arm, the first cutter head and the second cutter head.The first arm comprises first end and the second end that is pivotally connected to chassis.The second arm comprises first end and the second end that is pivotally connected to chassis.The first cutter head comprises first, the first blade and is connected to a plurality of first cut drill of the first blade.First the second end that is connected to the first arm, and limit the first rotation.The first blade extends along at least a portion of first axle in a spiral manner, and limits the first sword surface.The first cut drill is fixed to the first sword surface of the first blade, and extends beyond outside the first sword surface.The second cutter head comprises second, the second blade and is connected to a plurality of second cut drill of the second blade.Second the second end that is connected to the second arm, and limit the second rotation.The second blade extends along at least a portion of the second axis in a spiral manner, and limits the second sword surface.The second cut drill is fixed to the second sword surface of the second blade, and extends beyond outside the second sword surface.
In another aspect, the invention provides a kind of cutter head for longwall shearer.Cutter head comprises cylinder, blade and a plurality of cut drill.Cylinder comprises first end and the second end, and is limited to the rotation extending between first end and the second end.Blade is connected to cylinder, and along at least a portion of this axis, extends in a spiral manner.Blade limits the sword surface of extending along the periphery of blade.Cut drill is fixed to blade sword surface.Each cut drill comprises piece and is connected to the drill bit of this piece.Piece is fixed to sword surface, and extends beyond outside the periphery of blade.
In aspect another, the invention provides a kind of cutter head for longwall shearer, this cutter head comprises cylinder, is connected to the blade, a plurality of cut drill of cylinder and loads fence.Cylinder comprises first end and the second end, and is limited to the rotation extending between first end and the second end.Blade is connected to cylinder, and along at least a portion of this axis, extends in a spiral manner.Blade limits the sword surface of extending along blade periphery.Described a plurality of cut drill is fixed to blade sword surface.Each cut drill comprises piece and is connected to removably the drill bit of this piece.Piece is fixed to sword surface, and extends beyond outside the periphery of blade.Piece comprises slit, and drill bit comprises tip and is received in the shank in piece slit.Shank limits the shank axis of extending with the angle of the line with respect to radially extending from cylinder axis.Load fence and be fixed to sword surface, and outstanding from sword surface.Load fence extends upward in the side that is in substantially parallel relationship to blade between the cut drill piece of two adjacency.The side of cut drill piece and loading fence have formed continuous loading surface.
Other aspects of the present invention will become clear by considering detailed explanation and accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the phantom drawing of digger.
Fig. 2 is the lateral view of cutter head.
Fig. 3 is the phantom drawing of cut drill assembly.
Fig. 4 is the reverse perspective view of the cut drill assembly of Fig. 3.
Fig. 5 is the top view of the cut drill assembly of Fig. 3.
Fig. 6 is the lateral view of the cut drill assembly of Fig. 3.
Fig. 7 is the decomposition diagram of maintainance block and drill bit.
Fig. 8 is the phantom drawing of the cutter head of Fig. 2, has wherein removed a plurality of cut drill assemblies.
Fig. 9 is the phantom drawing comprising according to the cutter head of the cut drill assembly of another embodiment.
Figure 10 is the phantom drawing of the cut drill assembly of Fig. 9.
The specific embodiment
Before any embodiment of the present invention is elaborated, it should be understood that application of the present invention is not limited to it and is described below proposed or in the structure of the parts shown in the following drawings and the details of layout.The present invention can have other embodiment, and can realize in every way or carry out.In addition, it should be understood that term used herein and term are for purposes of illustration, and should not be understood to be restrictive.Adopt " comprising " and " comprising " and variant thereof to refer to herein and contained after this Listed Items and equivalent and addition item.Adopt " composition " and variant thereof to refer to herein and contain after this listed project and equivalent thereof.Unless specified or limited, term " installation ", " connection ", " support " and " connection " and variant thereof are widely used, and have contained direct and non-direct installation, connection, support and connection.
Fig. 1 has shown longwall shearer 10, and this longwall shearer 10 comprises chassis or base portion 14 and a pair of cutter assembly 18.Base portion 14 is formed in first direction 26 and the second direction 28 contrary with first direction 26 along the face (not shown) for the treatment of digging material advance (tram).Along with base portion 14 moves on first direction 26, the first cutter assembly 18a is in front position, and the second cutter assembly 18b is in rear position.In the embodiment shown, the first cutter assembly 18a is raised with the top cutting material from getting working face, and such as coal, and the second cutter assembly 18b cuts material in upper/lower positions with the bottom from getting working face.
Each cutter assembly 18 comprises rocking arm 30 and cutter head 34.In the embodiment shown, cutter assembly 18 also comprises directing assembly 38; In other embodiments, cutter assembly 18 can not comprise directing assembly 38.One end of rocking arm 30 is pivotally connected to base portion 14, and the other end rotatably supports cutter head 34.
As shown in Figure 2, each cutter head 34 comprises cylinder 54, blade 58 and is connected to a plurality of cut drill assemblies or the cut drill system 62 of blade 58.In the embodiment shown, cylinder 54 has general cylindrical shape.Cylinder 54 has first end 70 and the second end 74, and cylinder axis 78 is limited to the centre of first end 70 and the second end 74.First end 70 is pivotally connected to rocking arm 30, the second ends 74 and engages getting working face.Cylinder 54 rotates around cylinder axis 78 on first direction 82.
Blade 58 is connected to cylinder 54, and to spiral or spiral way is extended along at least a portion of the cylinder axis 78 between first end 70 and the second end 74 along the periphery of cylinder 54 or external surface.In the embodiment shown, cutter head 34 comprises a plurality of blades 58; In other embodiments, cutter head 34 can comprise a blade 58, or cutter head 34 can comprise the blade 58 many or fewer than illustrated embodiment.Blade 58 defines sword surface 84 and loaded surfaces 86, and this sword surface 84 approaches the periphery of blade 58, and this loaded surfaces 86 is extended between the external surface of cylinder 54 and sword surface 84.Sword surface 84 comprises first or front edge of the first end 70 that approaches cylinder 54 and approaches second or rear edge of the second end 74 of cylinder 54.Loaded surfaces 86 is turned to the spiral-shaped of coupling blade 58 by moulding or profile.Along with cylinder 34 rotation, blade 58 is by the material cutting from the second end 74 towards first end 70 pushings, and the material wherein cutting is deposited on the face conveyor (not shown) of below on chassis 10 (Fig. 1).
As shown in Figures 3 and 4, each cut drill system 62 comprises maintainance block 90, drill bit 94 and loads fence or load plate 98.Maintainance block 90 comprises the side surface 102 of the sword that approaches sword surface 84 and extends through the slit 110 of maintainance block 90 (Fig. 4).Maintainance block 90 be fixed (such as, by welding) to the sword surface 84 of blade 58, and stretch out from sword surface 84 in the direction perpendicular to cylinder axis 78 (Fig. 2) substantially.Load plate 98, between the drill bit maintainance block 90 of adjacency, the material cutting is pressed in the space between the loaded surfaces 86 of blade 58, and is conducive to make the material cutting to move away getting working face.Maintainance block 90 and plate 98 are coupled to each other, and be connected to blade 58 (as, by welding).Maintainance block 90 and plate 98 have formed the loaded surfaces of one effectively, and the loaded surfaces 86 of the loaded surfaces of this one and blade 58 is continuous, thereby engage the material cutting and the material cutting is rolled towards the first end 70 of cylinder 54.
Each maintainance block 90 comprises at least one angled side surface 102, the profile approximate match of the loaded surfaces 86 of described at least one angled side surface 102 and adjacency.Side surface 102 is substantially flush with loaded surfaces 86, thereby allows maintainance block 90 and drill bit 94 to aim at the front edge on sword surface 84, or aims at the sword that approaches the first end 70 of cylinder 54.In the embodiment shown, the top surface of each maintainance block 90 is continuous with the corresponding loading fence 98 at the rear of maintainance block 90 just.In addition, as Fig. 5 and 6 illustrates best, the side surface 102 of maintainance block 90 is angled from the top to bottom, and top is aimed at the front edge of blade 58, and extends along the profile of loaded surfaces 86.In addition, drill bit 94 is located so that cut drill 106 extends beyond outside front edge, and on the space between the loaded surfaces 86 of blade 58.Because the side of drill bit maintainance block 90 and drill bit 94 are oriented to flush or almost flush with the loaded surfaces 86 of blade 58, so the material being cut by drill bit 94 may directly fall between the loaded surfaces 86 of blade 58 and roll towards first end 70.This structure has increased the loading efficiency of cylinder, or has increased and will from the material cutting of getting working face, be transported to the ability of face conveyor.
In the embodiment shown, groove is formed in the end of piece 90, to contribute to, by welding, maintainance block 90 is located and be attached to load plate 98.As shown in Figures 3 and 4, the height of load plate 98 is along the length of plate 98 and change, to contribute to the material cutting to load and be loaded on face conveyor along blade 58.The front end of plate 98 is higher, and wherein plate 98 follower's drill bit 94 and maintainance block 90 tightly, and this height is to trail end place lower to prevent rub coal or rock.Therefore, the higher front end of plate 98 is easy to move through rock to engage the material more cutting, and material is transmitted towards the space between the loaded surfaces 86 of blade 58.
As shown in Figure 7, drill bit 94 comprises first 122, second portion or shank 126 and the retaining hole 130 having for engaging the tip 106 of getting working face.In the embodiment shown, maintainance block 90 also comprises opening 114 and is received in the spray nozzle 118 in opening 114, thereby liquid is sprayed onto on the material and/or drill bit 94 cutting.In the embodiment shown, drill bit 94 also comprises the shoulder 134 with maintainance block 90 adjacency.Equally, in the embodiment shown, shoulder 134 comprises opening 138, and this opening 138 is aimed at the opening 114 for spray nozzle 118.Spray nozzle 118 is threaded connection and is fixed in opening 114, and maintainance block 90 has internal water passage (not shown), so that by water or other liquid, the passage (not shown) from cylinder blade 58 is provided to spray nozzle 118.
Shank 126 extends from the first 122 of drill bit 94, and is received in slit 110.In the embodiment shown, retaining hole 130 be positioned proximate to shank 126 from the outstanding end of the slit 110 of maintainance block 90.By making drill bit 94 be fixed to maintainance block 90 by retaining hole 130 pin 140 or other members, thereby prevent that shank 126 from skidding off from slit 110.As Fig. 4 illustrates best, maintainance block 90 is erected on sword surface 84 (that is, on sword surface 84, extending), and the rear portion of slit 110 can be positioned at the rear of charging plate 98, thereby contributes to the assembling of drill bit 94 and remove.
Although Fig. 3-6 have shown two maintainance blocks 90 and be connected to a charging plate 98 on blade sword surface 84, be appreciated that additional cut drill system 62 is positioned at along the length of blade 58 to approach front edge.In addition, the groove between maintainance block 90 and plate 98 can be filled (such as by welding), to form smooth surface between plate 98 and the side surface 102 of maintainance block 90.In addition, each cutter assembly 18a, 18b comprise cut drill system 62, and this cut drill system 62 rotation based on cutter head 34 is orientated.Such as, one in cutter head 34 comprises " left " or the cut drill system 62 being orientated counterclockwise, and another cutter head 34 comprises " to the right " or the cut drill system 62 being orientated clockwise.
With reference to figure 8, shank 126 defines shank axis 142, and this shank axis 142 is with respect to being orientated at angle with the crossing line of cylinder axis 78, rather than is orientated to along the radial line of extending from axis 78 and aims at.In the embodiment shown, shank axis 142 is aimed at the line of sword surface 58 general tangential with respect to blade 58.In one embodiment, shank axis 142 can be aimed at the line of external surface general tangential with respect to cylinder 54.Tip 106 is angled towards the direction of rotation of cylinder 54; Shank 126 extends from the direction of rotation of cylinder 54, and for the front percussion bit of routine, shank 126 is to be orientated with respect to the more tangent angle of cylinder 54.
Cut drill assembly 62 is positioned on the sword surface 84 of blade 58, rather than cut drill assembly 62 is positioned in the otch of loaded surfaces 86, allow maintainance block 90 and drill bit 94 to become with loaded surfaces 86 continuous.The tip of each drill bit 94 and loaded surfaces 86 rough alignment.The amount that need to remove damaged drill bit 94 or gather the dismounting of dust has been lacked in 62 letters of cut drill system.In addition, identical drill bit 94 can be used in one of cutter assembly 18a, 18b, and this is because the direction of rotation of each cutter head 34 does not need independent bit geometry.With conventional taper bit cylinder or radially drill bit cylinder compare, the cost of production of cut drill system 62 is lower, and good loading performance is provided.In addition, by reducing, form otch with support holder 90 on blade 58, cut drill system 62 has reduced the manufacture of cutter assembly 18 and the complexity of maintenance.
Fig. 9 and 10 has shown the cut drill system 462 according to another embodiment.Each maintainance block 490 and load plate 498 are all positioned on the sword surface 84 of blade 58.Each drill bit 494 comprises the shank 526 (Figure 10) that defines shank axis 542, and each drill bit 494 is arranged in the slit 510 of maintainance block 490.Shank axis 542 is radially aimed at respect to cylinder axis 78.Each shank axis 542 is aligned to cylinder axis 78 and is intersected.Equally, identical drill bit 494 can be used in the cutter head 34 of one of cutter assembly 18a, 18b, and this is because the direction of rotation of each cutter head 34 does not need independent bit geometry.
Therefore, especially, the invention provides the cutter head for longwall shearer.Although described the present invention in detail with reference to some preferred embodiment, each variant and modification all fall into the scope and spirit of one or more independent aspects of described the present invention.
Claims (23)
1. a longwall shearer, described longwall shearer is for removing material from getting working face, and described longwall shearer comprises:
The chassis that can move;
The first arm, described the first arm comprises the second end and is pivotally connected to the first end on described chassis;
The second arm, described the second arm comprises the second end and is pivotally connected to the first end on described chassis;
The first cutter head, described the first cutter head comprises first, the first blade and is connected to a plurality of first cut drill of described the first blade, described first is connected to the second end of described the first arm and limits the first rotation, described the first blade extends and limits the first sword surface along at least a portion of described first axle in a spiral manner, and described the first cut drill is fixed to the first sword surface of described the first blade and extends beyond described the first sword surface;
The second cutter head, described the second cutter head comprises second, the second blade and is connected to a plurality of second cut drill of described the second blade, described second is connected to the second end of described the second arm and limits the second rotation, described the second blade extends and limits the second sword surface along at least a portion of described the second axis in a spiral manner, and described the second cut drill is fixed to the second sword surface of described the second blade and extends beyond described the second sword surface.
2. longwall shearer according to claim 1, wherein, described the first cut drill is spaced along described the first sword, and wherein, described the first cutter head comprises loading fence, and described loading fence is fixed to described the first sword surface and between two adjacent cut drill, extends being roughly parallel in the direction of described blade.
3. longwall shearer according to claim 1, wherein, each first cut drill comprises the drill bit that is fixed to the piece on described the first sword surface and is connected to removably described.
4. longwall shearer according to claim 3, wherein, described drill bit comprises shank and tip, wherein said comprises for receiving the slit of described shank.
5. longwall shearer according to claim 4, wherein, described shank limits shank axis, and described shank axis is an angle with respect to the line radially extending from described first axle and extends.
6. longwall shearer according to claim 5, wherein, described shank axis is along the line rough alignment tangent with described the first sword surface.
7. longwall shearer according to claim 4, wherein, described shank limits shank axis, and wherein said shank axis is aimed at respect to the line of the axes intersect with described cylinder.
8. longwall shearer according to claim 1, wherein, described the first blade is limited to the loaded surfaces of the contoured of extending between described first and described the first sword surface, and wherein each first cut drill has the tip of aiming at described loaded surfaces.
9. for a cutter head for longwall shearer, described cutter head comprises:
Cylinder, described cylinder comprise first end and the second end and be limited to described first end and described the second end between the rotation that extends;
Blade, described blade is connected to described cylinder and extends along at least a portion of described axis in the mode of spiral, and described blade limits the sword surface of extending along the periphery of described blade; And
A plurality of cut drill, described cut drill is fixed to the sword surface of described blade, and each cut drill comprises piece and is connected to the drill bit of described, described periphery that is fixed to described sword surface and extends beyond described blade.
10. cutter head according to claim 9, wherein, described a plurality of cut drill separate at certain intervals along described sword surface.
11. cutter heads according to claim 10, further comprise loading fence, described loading fence is fixed to described sword surface and outstanding from described sword surface, described loading fence extends upward in the side that is roughly parallel to described blade between two adjacent cut drill pieces, and described loading fence and described cut drill piece form continuous loaded surfaces.
12. cutter heads according to claim 11, wherein, described blade is limited to the loaded surfaces of extending between described cylinder and described sword surface, and wherein said loading fence is aimed at described loaded surfaces.
13. cutter heads according to claim 9, wherein, described drill bit is connected to described removably.
14. cutter heads according to claim 13, wherein, each cut drill further comprises pin, described drill bit comprises that hole for receiving described pin is to be connected to removably described by described drill bit.
15. cutter heads according to claim 9, wherein, described drill bit comprises shank and tip, wherein said comprises for receiving the slit of described shank.
16. cutter heads according to claim 15, wherein, described shank limits shank axis, and the line that described shank axis is radially extended with respect to the axis from described cylinder is an angle and extends.
17. cutter heads according to claim 16, wherein, described shank axis is along the line rough alignment tangent with described sword surface.
18. cutter heads according to claim 15, wherein, described shank limits shank axis, and the line that wherein said shank axis is radially extended with respect to the axis from described cylinder is aimed at.
19. cutter heads according to claim 9, wherein, described blade is limited to the loaded surfaces of extending between described cylinder and described sword surface, and wherein said comprises the side surface continuous with described loaded surfaces cardinal principle, and described drill bit has the tip of aiming at described loaded surfaces.
20. 1 kinds of cutter heads for longwall shearer, described cutter head comprises:
Cylinder, described cylinder comprise first end and the second end and be limited to described first end and described the second end between the rotation that extends;
Blade, described blade is connected to described cylinder and extends along at least a portion of described axis in the mode of spiral, and described blade limits the sword surface of extending along the periphery of described blade;
A plurality of cut drill, described cut drill is fixed to the sword surface of described blade, each cut drill comprises piece and is connected to removably the drill bit of described, described periphery that is fixed to described sword surface and extends beyond described blade, described comprises slit, described drill bit comprises most advanced and sophisticated and is received in the shank in the slit of described, and described shank limits shank axis, and the line that described shank axis is radially extended with respect to the axis from described cylinder is an angle and extends; And
Load fence, described loading fence is fixed to described sword surface and outstanding from described sword surface, described loading fence extends upward in the side that is in substantially parallel relationship to described blade between the piece of two adjacent cut drill, and the side of described loading fence and described cut drill piece forms continuous loaded surfaces.
21. cutter heads according to claim 20, wherein, described shank axis is along the line rough alignment tangent with described sword surface.
22. cutter heads according to claim 20, wherein, described blade is limited to the loaded surfaces of extending between described cylinder and described sword surface, and wherein said loading fence is aimed at described loaded surfaces.
23. cutter heads according to claim 20, wherein, described blade is limited to the loaded surfaces of extending between described cylinder and described sword surface, and wherein said comprises the side surface continuous with described loaded surfaces cardinal principle, and described drill bit has the tip of aiming at described loaded surfaces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361799366P | 2013-03-15 | 2013-03-15 | |
| US61/799,366 | 2013-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104047603A true CN104047603A (en) | 2014-09-17 |
Family
ID=50634725
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410182741.6A Pending CN104047603A (en) | 2013-03-15 | 2014-03-17 | Cutter head for longwall shearer |
| CN201420221466.XU Expired - Fee Related CN203879501U (en) | 2013-03-15 | 2014-03-17 | Longwall coal mining machine and cutter head for longwall coal mining machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221466.XU Expired - Fee Related CN203879501U (en) | 2013-03-15 | 2014-03-17 | Longwall coal mining machine and cutter head for longwall coal mining machine |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20140265528A1 (en) |
| CN (2) | CN104047603A (en) |
| AU (1) | AU2014201574A1 (en) |
| DE (1) | DE102014103406A1 (en) |
| GB (1) | GB2514884A (en) |
| PL (1) | PL407529A1 (en) |
| RU (1) | RU2014110024A (en) |
| ZA (1) | ZA201401859B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109923277A (en) * | 2016-09-23 | 2019-06-21 | 久益环球地下采矿有限责任公司 | Rock cutting device |
| US10876399B2 (en) | 2016-01-27 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with multiple cutter heads |
| US10876400B2 (en) | 2016-08-19 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| CN112879004A (en) * | 2016-05-27 | 2021-06-01 | 久益环球地下采矿有限责任公司 | Cutting head with segmented cutting disk |
| US11319754B2 (en) | 2018-07-25 | 2022-05-03 | Joy Global Underground Mining Llc | Rock cutting assembly |
| US11371346B2 (en) | 2012-09-14 | 2022-06-28 | Joy Global Underground Mining Llc | Cutter head for mining machine |
| US11391149B2 (en) | 2016-08-19 | 2022-07-19 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US11613993B2 (en) | 2016-08-19 | 2023-03-28 | Joy Global Underground Mining Llc | Cutting device and support for same |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2514884A (en) * | 2013-03-15 | 2014-12-10 | Joy Mm Delaware Inc | Cutter head for longwall shearer |
| AU2015330702A1 (en) * | 2014-10-10 | 2017-04-27 | Joy Global Underground Mining Llc | Cutter head for longwall shearer |
| WO2017123959A1 (en) * | 2016-01-15 | 2017-07-20 | Joy Mm Delaware, Inc. | Support structure for rotary sensor |
| US10125606B2 (en) * | 2016-05-09 | 2018-11-13 | Joy Global Underground Mining Llc | Systems and methods for fluid delivery in a longwall mining system |
| GB201804696D0 (en) * | 2018-03-23 | 2018-05-09 | Element Six Uk Ltd | Rock cutting machine |
| CN108716400A (en) * | 2018-08-13 | 2018-10-30 | 天地科技股份有限公司上海分公司 | Self-travel type surface miner with more cutterheads |
| CN109441442B (en) * | 2018-11-29 | 2024-04-05 | 安徽省皖北煤电集团有限责任公司 | High-efficiency roller coal mining machine |
| US11761333B2 (en) | 2020-11-16 | 2023-09-19 | Joy Global Underground Mining Llc | Cutting assembly for longwall mining system |
| CN113187475B (en) * | 2021-06-16 | 2022-06-28 | 宁夏回族自治区矿产地质调查院 | Coal mining device based on coal and coalbed methane are safe high-efficient exploitation in coordination |
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| US3331637A (en) * | 1965-05-07 | 1967-07-18 | Cincinnati Mine Machinery Co | Cutter bits and mounting means therefor |
| US4143552A (en) * | 1978-03-01 | 1979-03-13 | General Electric Company | Coal seam sensor |
| DE3218495A1 (en) * | 1982-05-15 | 1983-11-17 | Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | DEVICE FOR RECOVERING MIGHTY FLOE IN UNDERGROUND PITCHING, IN PARTICULAR WHEN REMOVING REMAINING PILLARS OR DRIVING UP A WIDE STOCK |
| GB8504668D0 (en) | 1985-02-22 | 1985-03-27 | Hall & Pickles Ltd | Mineral cutter pick |
| US8899693B2 (en) * | 2011-04-22 | 2014-12-02 | Joy Mm Delaware, Inc. | Material guide assembly |
| AU2013231120B2 (en) * | 2012-09-21 | 2017-04-20 | Joy Global Underground Mining Llc | Lump breaker for mining machine |
| GB2514884A (en) * | 2013-03-15 | 2014-12-10 | Joy Mm Delaware Inc | Cutter head for longwall shearer |
-
2014
- 2014-03-13 GB GB1404511.6A patent/GB2514884A/en not_active Withdrawn
- 2014-03-13 DE DE102014103406.6A patent/DE102014103406A1/en not_active Withdrawn
- 2014-03-14 PL PL407529A patent/PL407529A1/en unknown
- 2014-03-14 AU AU2014201574A patent/AU2014201574A1/en not_active Abandoned
- 2014-03-14 US US14/211,163 patent/US20140265528A1/en not_active Abandoned
- 2014-03-14 RU RU2014110024/03A patent/RU2014110024A/en not_active Application Discontinuation
- 2014-03-14 ZA ZA2014/01859A patent/ZA201401859B/en unknown
- 2014-03-17 CN CN201410182741.6A patent/CN104047603A/en active Pending
- 2014-03-17 CN CN201420221466.XU patent/CN203879501U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11725512B2 (en) | 2012-09-14 | 2023-08-15 | Joy Global Underground Mining Llc | Method for removing material from a rock wall |
| US11371346B2 (en) | 2012-09-14 | 2022-06-28 | Joy Global Underground Mining Llc | Cutter head for mining machine |
| US10876399B2 (en) | 2016-01-27 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with multiple cutter heads |
| CN112879004A (en) * | 2016-05-27 | 2021-06-01 | 久益环球地下采矿有限责任公司 | Cutting head with segmented cutting disk |
| US11391149B2 (en) | 2016-08-19 | 2022-07-19 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US10876400B2 (en) | 2016-08-19 | 2020-12-29 | Joy Global Underground Mining Llc | Mining machine with articulating boom and independent material handling system |
| US11939868B2 (en) | 2016-08-19 | 2024-03-26 | Joy Global Underground Mining Llc | Cutting device and support for same |
| US11613993B2 (en) | 2016-08-19 | 2023-03-28 | Joy Global Underground Mining Llc | Cutting device and support for same |
| CN109923277B (en) * | 2016-09-23 | 2022-05-27 | 久益环球地下采矿有限责任公司 | Rock cutting device |
| US11598208B2 (en) | 2016-09-23 | 2023-03-07 | Joy Global Underground Mining Llc | Machine supporting rock cutting device |
| CN109923277A (en) * | 2016-09-23 | 2019-06-21 | 久益环球地下采矿有限责任公司 | Rock cutting device |
| US11846190B2 (en) | 2016-09-23 | 2023-12-19 | Joy Global Underground Mining Llc | Rock cutting device |
| US11203930B2 (en) | 2016-09-23 | 2021-12-21 | Joy Global Underground Mining Llc | Machine supporting rock cutting device |
| US11319754B2 (en) | 2018-07-25 | 2022-05-03 | Joy Global Underground Mining Llc | Rock cutting assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| PL407529A1 (en) | 2014-09-29 |
| AU2014201574A1 (en) | 2014-10-02 |
| CN203879501U (en) | 2014-10-15 |
| GB201404511D0 (en) | 2014-04-30 |
| GB2514884A (en) | 2014-12-10 |
| ZA201401859B (en) | 2016-01-27 |
| RU2014110024A (en) | 2015-09-20 |
| DE102014103406A1 (en) | 2014-09-18 |
| US20140265528A1 (en) | 2014-09-18 |
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Application publication date: 20140917 |