WO2012141559A1 - 콘형 크러셔 - Google Patents
콘형 크러셔 Download PDFInfo
- Publication number
- WO2012141559A1 WO2012141559A1 PCT/KR2012/002880 KR2012002880W WO2012141559A1 WO 2012141559 A1 WO2012141559 A1 WO 2012141559A1 KR 2012002880 W KR2012002880 W KR 2012002880W WO 2012141559 A1 WO2012141559 A1 WO 2012141559A1
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- WIPO (PCT)
- Prior art keywords
- eccentric
- eccentric shaft
- shaft
- bearing
- cone
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
- B02C2/06—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with top bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
Definitions
- the present invention relates to a cone crusher, and more particularly to a cone crusher having an eccentric drive for agitating the main shaft.
- Cone crusher is a very important crusher in the aggregate industry and mineral processing industry. Its use is extensive and its structure and type have been variously developed.
- Korean Patent No. 10-0809900 discloses a cone-type crusher having an eccentric drive unit for agitating the main shaft.
- the cone crusher has a frame having a cavity, a main shaft disposed therein, and an eccentric drive portion connected to the lower end portion of the main shaft, and the lower end portion of the main shaft is inserted into an opening formed at an upper portion of the eccentric drive portion.
- Near the lower end of the main shaft there are three bearings: an upper bearing, a middle bearing, and a lower bearing.
- the main shaft is fitted to the middle bearing.
- the opening in the upper portion of the eccentric drive is formed larger than the outer diameter of the interruption bearing.
- the upper bearing is fitted to the upper end of the eccentric driving part after forming a separate mount to be eccentric with the opening.
- the inner diameter of the upper bearing is larger than the outer diameter of the suspension bearing, and the size of the upper bearing is very large.
- the present invention has been conceived to solve the above-described problems, and an object of the present invention is to provide a conical crusher having a miniaturized bearing fitted to an upper end of an eccentric drive unit for inciteting a main shaft.
- Another object of the present invention is to provide a cone type crusher with reduced production cost and maintenance cost.
- Still another object of the present invention is to provide a cone-type crusher capable of increasing the production speed of crushed products by improving the kinetic speed of the main shaft.
- Cone crusher according to a preferred embodiment of the present invention to achieve the above object is: a frame having a cavity, the main shaft eccentrically disposed in the cavity and the lower end of the main shaft is eccentric from the center axis of the frame
- An eccentric drive unit for inclining the main shaft wherein the eccentric drive unit has an upper eccentric shaft, a lower eccentric shaft, and an eccentric bearing, and the upper eccentric shaft has a center of rotation of the upper eccentric shaft itself at its center portion;
- the eccentric bearing is connected with the upper eccentric shaft while receiving the lower end of the main shaft. It is arranged in the space partitioned by the lower eccentric shaft.
- the upper eccentric shaft has a small diameter portion to which the upper bearing is coupled to its upper end.
- the lower eccentric shaft an eccentric bearing mount is formed inside the upper end is the eccentric bearing is installed; And a small diameter portion having a lower bearing coupled to the lower end portion.
- a counterweight is provided on the upper eccentric shaft or the lower eccentric shaft to offset the vibration caused by the agitating motion of the main shaft.
- key grooves are formed on the inner surface of the lower end of the main shaft and the inner ring of the eccentric bearing, respectively, which are received inside the eccentric bearing, and the key is fitted into the key groove.
- the opening formed in the upper eccentric shaft is tapered to make the inner diameter smaller from the top end to the predetermined depth downward.
- the cone-shaped crusher further includes a plurality of lubricant jet holes located above the upper eccentric shaft, some of the lubricant jet holes supply lubricant to the main shaft, and some of the lubricant jet holes are The angle is set so that the lubricant can be supplied toward the upper bearing fitted to the upper end of the upper eccentric shaft.
- the eccentric bearing mount has a diameter on which the eccentric bearing can be mounted, which diameter is larger than the minimum diameter of the opening of the upper eccentric shaft.
- the lower eccentric shaft has a lubricating oil outlet connecting the eccentric bearing mount and the lower eccentric shaft outside.
- the outer circumferential surface of the upper end of the lower eccentric shaft and the inner circumferential surface of the lower end of the upper eccentric shaft are formed to be tapered so as to decrease in diameter from downward to upward, and the outer circumferential surface of the upper end of the lower eccentric shaft fits with the inner circumferential surface of the lower eccentric shaft.
- the lower eccentric shafts are fastened to each other in a state where the lower eccentric shafts are fitted to the upper eccentric shafts.
- the eccentric driving unit further comprises an eccentric shaft coupling nut
- the upper eccentric shaft has a male thread formed on the outer peripheral surface of the lower end, a stepped portion is formed around the lower coupling portion of the lower eccentric shaft, the eccentric shaft coupling nut,
- a female screw having a flange capable of pressing the stepped portion of the lower eccentric shaft and an inner circumferential surface of the pipe portion extending upward from the flange is coupled to the male screw.
- the eccentric drive unit is driven by a bevel gear coupled to the upper eccentric shaft or the lower eccentric shaft and another bevel gear that meshes with the bevel gear.
- the eccentric drive unit is driven by a pulley directly coupled to the lower end of the lower eccentric shaft.
- the cone-shaped crusher further includes a belt protection cover installed in parallel with two sides of the exposed belt to protect the belt connecting the pulley.
- the cone-shaped crusher further comprises an eccentric driving unit outer wall surrounding the outer side of the upper eccentric shaft and the lower eccentric shaft, wherein the eccentric driving unit outer wall is fixed to the frame by connecting legs, among the connecting legs At least two are installed side by side with two sides of the belt.
- the cone crusher according to the present invention has the following effects.
- the bearing fitted to the upper end of the eccentric drive unit for inciteting the main shaft can provide a miniature cone-shaped crusher.
- FIG. 1 is a schematic cross-sectional view of a cone crusher according to the present invention.
- FIG. 2 is a perspective view of a portion of the piston used in the cone crusher shown in FIG. 1;
- FIG. 3 is a partially enlarged view of the upper end of the main shaft used in the cone-shaped crusher in FIG.
- FIG. 4 is an enlarged partial view of the upper end of the main shaft, and shows an embodiment in which a suspension bearing of a different type from that of FIG. 3 is applied.
- FIG. 5 is an enlarged partial view of the lower end of the main shaft, and shows an embodiment in which a driving means of a different type from that of FIG.
- Figure 6 is a bottom view of the extract of the cone-shaped crusher according to the present invention.
- cone-shaped crusher used in the present invention is used to collectively refer to not only a typical cone-shaped crusher but also a gyretori crusher.
- FIG. 1 is a schematic cross-sectional view of a cone crusher according to the present invention.
- the main frame 10 is formed with a cavity therein;
- a top frame 20 mounted on the main frame 10 and having a cavity formed therein, and having one or more layers;
- a concave 30 having a funnel shape in which an inner diameter increases from an upper side to a lower side, and mounted on a lower inner circumferential surface of the top frame 2;
- a mantle core assembly 300 disposed slidably up and down along the longitudinal direction of the main shaft 200;
- a piston 420 installed in the middle of the main shaft 200 to allow hydraulic force to act on the mantle core assembly 300;
- Shredding interval adjusting means for moving the mantle core assembly 300 to the concave 30 side for the shredding interval control;
- An eccentric driving unit 260 for agitating the main shaft 200;
- main shaft driving means 40 for rotating the eccentric driving part 260 to drive the main
- the mantle core assembly 300 has a cylindrical upper sleeve 310 disposed spaced apart from the bottom of the concave 30 and slidably fitted to the main shaft 200, and a truncated cone having a larger diameter from the upper side to the lower side.
- a mantle core 320 formed in a shape and accommodating the upper sleeve 310 and a mantle 321 mounted on an outer circumferential surface of the mantle core are provided.
- the mantle core assembly 300 has a relatively large diameter cylindrical cavity formed at the center lower portion thereof, and a relatively small diameter cylindrical cavity formed at the central portion thereof continuously and stepped.
- the upper sleeve 310 has a portion of the upper end exposed to the upper portion of the mantle core 320 and a screw 314 is formed on the outer peripheral surface thereof, the screw 314 to mount the mantle 321 to the mantle core 320 Fixing nut 330 is fastened to.
- a flange 312 is formed at a lower end of the upper sleeve 310, and a settling portion 322 having a shape corresponding to the flange 312 is formed on the inner circumferential surface of the mantle core 320 so that the flange 312 may be inserted. do.
- the flange 312 is installed to prevent the upper sleeve 310 from being pulled up even if the fixing nut 330 is tightened to fix the mantle 321 on the mantle core 320.
- the upper sleeve 310 may be designed in a tapered shape with a wider lower portion without the flange 312.
- the surface of the main shaft 200 on which the upper sleeve 310 is slid is subjected to high frequency heat treatment, or the heat treated protective sleeve 202 is not interfered with the upper sleeve 310.
- the shaft 200 may be fitted to a portion of the section.
- the protective sleeve 202 is mounted. More preferably, the liner 316 of a material such as brass or soft bronze may be sandwiched on the inner circumferential surface of the upper sleeve 310, soldered with brass, or coated with a polymer lubricating material.
- an upper portion of the upper sleeve 310 may be provided with an annular dust seal 318.
- Grease may be intermittently injected through a grease nipple (not shown) in the gap between the liner 316 and the main shaft 200 positioned below the dust seal 318, and retain grease on the inner surface of the liner 316.
- a spiral groove is formed.
- the lower inner wall where the mantle core 320 is coupled to the piston 420 is inserted with a sleeve made of brass, soft bronze or other polymer lubricating material, coated or soldered, and has an O-ring seal to prevent leakage of hydraulic oil. do.
- the mantle core assembly 300 formed as described above is slid along the main shaft 200 by hydraulic oil coming in through the main shaft 200 from the outside.
- FIG. 2 is a perspective view of a portion of the piston used in the cone crusher shown in FIG. 1;
- the mantle core 320 serves as a cylinder
- the piston 420 firmly coupled to the main shaft 200 serves as a piston.
- the piston 420 and the main shaft 200 not only move in a vertical direction but also move in a vertical direction, whereas the mantle core assembly 300 corresponding to the cylinder moves up and down to change the fracture interval.
- Rotary joint 250 is a device for smoothly connecting the main shaft 200 and the fixed hydraulic conduit introduced from the outside at the same time while rotating the rotational motion at a low speed while the vertical pipe 252 and It is attached to the main shaft is composed of a rotary joint housing 254 for agitating and rotating movement.
- the upper end of the rotary joint housing 254 has a flange portion for firm coupling with the main shaft 200, the flange portion is coupled to the upper end of the main shaft 200 by bolts, by the O-ring inserted into the O-ring groove formed at the lower end Hydraulic oil leakage is prevented.
- the seal is inserted into the annular groove formed on the inner side just above the lower end of the rotary joint housing 254, and the vertical pipe 252 extends to the seal to prevent leakage of the hydraulic oil.
- the place where the seal is located corresponds to the focal point where the main shaft 200 is agitated, and the relative movement between the fixed vertical pipe 252 and the main shaft 200 that is agitated is least. Since this is the case, the deformation of the seal according to the movement of the main shaft 200 is the smallest.
- the rotary joint may take various structures in addition to the above-described embodiments.
- the hydraulic oil descends to the central portion of the piston 420 along the first flow path 432 formed at the center of the main shaft 200 through the rotary joint 250 and then passes through the second flow path 434 formed in the horizontal direction. 420 passes through the annular third flow passage 436 formed on the inner circumferential surface.
- the annular third flow passage 436 is connected to several fourth flow passages 438 extending to the upper end of the piston 420, and the hydraulic oil is finally injected through the fourth flow passage 438 to the upper end of the piston.
- the shredding interval adjusting means 400 further includes a hydraulic pressure supply part 440 disposed outside the cone-shaped crusher 100 according to the present invention.
- the hydraulic pressure supply unit 440 includes a connection pipe 442 connected to the first flow path 432, a hydraulic tank 444 in which hydraulic oil is stored, and a hydraulic pressure connecting the hydraulic tank 444 and the connection pipe 442.
- a supply pipe 446 is provided.
- a hydraulic pump 448 is disposed in the hydraulic supply pipe 446 adjacent to the hydraulic tank 444, and a check valve prevents hydraulic flow back to the hydraulic pump 448 in the hydraulic supply pipe 446 adjacent to the connection pipe 442. 45 is mounted.
- the hydraulic supply unit 440 and the hydraulic supply pipe 446 to protect the cone-shaped crusher 100 in the case of the foreign matter such as the crushed pit that is not broken between the concave 30 and the mantle 321.
- a conventional hydraulic accumulator 454 is disposed in the hydraulic discharge pipe 452, and a check valve 458 and a bypass valve 459 are disposed in front of the hydraulic accumulator 454, and the hydraulic accumulator 454 and the hydraulic tank ( A relief valve 456 is disposed between the 444.
- a suspension portion 210 supporting the main shaft 200 is disposed above the main shaft 200, and an eccentric for agitating the main shaft 200 below the main shaft 200.
- the driver 260 is disposed.
- the suspension part 210 is disposed inside the top frame 20, and the eccentric driving part 260 is disposed inside the main frame 10.
- FIG. 3 is a partially enlarged view of the upper end of the main shaft used in the cone-shaped crusher in FIG.
- the suspension unit 210 is disposed in the suspension bearing chamber 212 and the suspension bearing chamber 212 into which the upper portion of the main shaft 200 is inserted and inserted into the suspension bearing chamber 212.
- Suspension bearings 222 for supporting the upper portion of the main shaft 200, and a fixing member 230 for fixing the suspension bearings 222 to the main shaft 200.
- the suspension bearing room 212 is comprised from the suspension bearing room outer cylinder 216 connected to the upper part of the top frame by the support arm 220, and the removable cover 214.
- Suspension bearing chamber outer cylinder 216 has an upper portion having a vertical cylindrical shape and a lower portion of an inclined funnel shape, there is a small step between the vertical portion and the inclined portion.
- Suspension bearing 222 is fitted to the fixed wheel 224, the outer circumferential surface is in close contact with the inner circumferential surface of the suspension bearing chamber outer cylinder 216, and the main shaft 200 is inserted into the suspension bearing chamber 212 and the fixed wheel ( It is provided on the inner circumferential surface of the 224 has a rotary wheel 226 for agitating motion along the inner circumferential surface of the fixed wheel 224.
- the fixed wheel 224 and the rotating wheel 226 has a funnel shape extending narrower from the upper side to the lower side.
- An annular stepped portion 228 is formed in the main shaft 200, and a lower portion of the rotary wheel 226 spans the stepped portion 228.
- the angle ⁇ 1 formed by the outer circumferential surface of the rotating wheel 226 is formed to have an angle smaller than the angle ⁇ 2 formed by the inner circumferential surface of the fixed wheel 224.
- the difference between the two angles ⁇ 2- ⁇ 1 is an eccentric angle of the main shaft 200, that is, an angle corresponding to twice the angle formed by the center line of the main shaft 200 with the center line of the crusher frame.
- the rotary wheel 226 is always in line contact with the inner circumferential surface of the fixed wheel 224.
- the fixing member 230, the disassembly sleeve 232 is fitted to the main shaft 200 so that the outer peripheral surface is in close contact with the inner peripheral surface of the rotary wheel 226, and exposed to the upper portion of the disassembly sleeve 232, the external thread
- the fixing nut 234 is fastened on the outer circumferential surface of the upper end of the formed main shaft 200.
- the fixing member 230 of the present invention firmly fixes the rotation wheel 226 to the main shaft 200, the wear of the shaft is hardly generated.
- the outer circumferential surface angle of the rotating wheel 226 and the inner circumferential surface angle of the fixed wheel 224 can be arbitrarily adjusted according to the angle formed by the mantle 321.
- the fixed wheel 224 is preferably made of a lubricating material or coating the inner circumferential surface with a lubricating material, and the rotating wheel 226 is preferably manufactured by hardening the heat treatment.
- Lubricating oil or grease is injected into the suspension bearing chamber 212 to reduce friction between the rotating wheel 226 and the fixed wheel 224, and the seal 238 is formed of an elastic material such as rubber to suspend the bearing chamber. (212) to prevent leakage of lubricants and the like.
- the eccentric driving part 260 for agitating the main shaft 200 includes an eccentric driving part outer wall 265 fixed to the center lower part of the main frame 10 by the connecting legs 269. And an upper eccentric shaft 262, a lower eccentric shaft 266, an eccentric bearing 268, and an eccentric shaft coupling nut 272, and the upper eccentric shaft 262 and the lower eccentric shaft 266 are eccentric. It is coupled by the shaft coupling nut 272.
- the counterweight 276 is installed on the upper eccentric shaft 262 or the lower eccentric shaft 266 in order to cancel the vibration generated by the manifold movement of the mantle core assembly 300 and the main shaft 200.
- the counterweight 276 is installed on the opposite side of the eccentric direction of the lower end of the main shaft 200.
- the upper and lower bearing housings 282 and 284 are firmly coupled to the upper and lower portions of the eccentric driving outer wall 285, and the upper and lower eccentric shafts 262 and the lower eccentric shaft 266 are upper and lower bearing housings 282 and 284, It is surrounded by the eccentric driving unit outer wall 265.
- the upper bearing 281 is interposed between the upper bearing housing 282 and the upper eccentric shaft 262 so that the upper eccentric shaft 262 and the lower eccentric shaft 266 smoothly move, and the lower bearing housing is interposed therebetween.
- a lower bearing 283 is interposed between the 284 and the lower eccentric shaft 266.
- the upper eccentric shaft 262 has an opening through which the lower end of the main shaft 200 is eccentric with the center of rotation of the upper eccentric shaft 262 itself, and the lower eccentric shaft ( 266) has an upper engagement portion.
- the opening is tapered so that the inner diameter decreases from the top end to the predetermined depth downward.
- the upper eccentric shaft 262 has a small diameter portion 262a to which the upper bearing 281 is coupled to the upper end thereof.
- the lower eccentric shaft 266 is positioned below the upper eccentric shaft 262 and has a lower coupling portion fastened to the upper eccentric shaft 262.
- an eccentric bearing mount 266b in which an eccentric bearing 268 is installed is formed inside the upper end of the lower eccentric shaft 266, and a small diameter part in which the lower bearing 283 is coupled to the lower end of the lower eccentric shaft 266 ( 266a).
- the eccentric bearing mount 266b has a diameter on which the eccentric bearing 268 can be mounted, which diameter is larger than the minimum diameter of the opening of the upper eccentric shaft 262.
- the lower eccentric shaft 266 has a lubricating oil outlet 267 connecting the eccentric bearing mount 266b and the lower eccentric shaft 266 outside.
- the eccentric bearing 268 accommodates the lower end of the main shaft 200 and is partitioned by the upper eccentric shaft 262 and the lower eccentric shaft 266 in a state of being fixed to the eccentric bearing mount 266b. Disposed within.
- the upper eccentric shaft 262 has a tapered process such that the inner circumferential surface of the lower end portion is reduced in diameter from downward to upward, and male threads are formed on the outer circumferential surface.
- the lower eccentric shaft 266 is tapered so that the outer circumferential surface of the upper end portion becomes smaller in diameter from downward to upward, and a stepped portion is formed around the lower periphery of the tapered lower coupling portion.
- the eccentric shaft coupling nut 272 has a flange for pressing the stepped portion of the lower eccentric shaft 266, the inner circumferential surface of the pipe portion extending upward from the flange formed on the upper eccentric shaft 262 A female screw is formed to join the male screw.
- the lower eccentric shaft 266 is inserted into the upper eccentric shaft 262 so that the outer circumferential surface of the upper end of the lower eccentric shaft 266 is in contact with the inner circumferential surface of the lower eccentric shaft 262.
- the upper eccentric shaft 262 and the lower eccentric shaft 266 may be fastened by twisting the eccentric shaft coupling nut 272 toward the upper eccentric shaft 262 from below. Then, it is preferable to rotate the eccentric shaft coupling nut 272 until the flange of the eccentric shaft coupling nut 272 strongly presses the stepped portion of the lower eccentric shaft 266.
- the lower end of the main shaft 200 can be easily inserted into the inner ring of the eccentric bearing 268, and can be easily separated from the eccentric bearing 268 by lifting the main shaft 200 upward.
- the eccentric bearing 268, the cavities formed in the lower eccentric shaft 266 for accommodating the eccentric bearing 268, and the cavities formed inside the upper eccentric shaft 262 are all center lines 270 of the main shaft 200.
- the center line is shifted by a small angle (see the bottom of the main shaft of FIG. 1) to each other, and the main frame (at the center point of the seal 258 of the rotary joint 250 located below the suspension bearing 222). 10) the point C where the center line of the back meets the center line of the main shaft 200 is located (see FIG. 3).
- a key groove 278 is formed at the lower end of the main shaft 200 accommodated in the eccentric bearing 268, and similarly, another key groove corresponding to the key groove 278 is also formed in the inner ring of the eccentric bearing 268.
- the lower end of the main shaft 200 is tapered and is tapered to have a somewhat larger diameter than the center of the upper eccentric shaft 262 to which the lower end of the main shaft 200 is fitted. Therefore, a gap is formed between the main shaft 200 and the upper eccentric shaft 262 to allow lubricant to flow down the main shaft 200.
- Lubricating oil is applied from an external circuit (not shown) to a lubricating oil jet hole formed in the upper end of the upper bearing housing 282 through a conduit 282a formed in the upper bearing housing 282.
- a plurality of lubricant oil ejection holes may be provided, and at least some of the lubricant oil ejection holes are ejected toward the main shaft 200, and the remaining oil ejection holes are partially angled to eject the lubricant toward the upper bearing 281. It is.
- the lubricating oil supplied to the upper bearing 281 is horizontal from the lower end of the upper bearing 281 by the centrifugal force. It is discharged into a gap between the flat portion and the lower surface of the upper bearing housing 282 and falls on the upper surface of the lower bearing housing 284. Since the main shaft 200 rotates at an extremely low speed while performing the agitating motion, the lubricating oil ejected to the main shaft 200 is relatively less affected by the centrifugal force and flows down the main shaft 200 by gravity.
- the eccentric bearing 268 is lubricated.
- the inner ring of the eccentric bearing 268 does not rotate, but the rollers, the outer ring, and the lower eccentric shaft 266 rotate at a high speed, so that the lubricated lubricant is discharged through the lower eccentric shaft lubricant outlet 267 by centrifugal force. .
- a portion of the lubricating oil flowing down from the top and lowered on the upper surface of the lower bearing housing 284 goes to the lubricating oil discharge pipe 500 through the lower bearing 283 and a part of the lubricating oil discharge pipe 500 directly from the upper surface of the lower bearing housing 284. Exit to a lubricating oil tank (not shown).
- the lower eccentric shaft (266) and the lower bearing housing (284) are provided with two types of seals to prevent the leakage of lubricant and labyrinth seals to prevent dust from entering the seals, but the conventional techniques in the art Therefore, detailed description will be omitted.
- the hole in the upper part of the eccentric shaft had to be larger than the outer diameter of the eccentric bearing, and the upper bearing mount was formed on the outside of the hole so as to be eccentric with the hole. . Therefore, the inner diameter of the upper bearing is considerably larger than the outer diameter of the eccentric bearing so that the size of the upper bearing is at least 1.5 times higher than that of the present invention, so that the unit cost of the cone-type crusher increases, and the large bearings have a low rated rotation speed, so that the shreddings per hour There is also a problem that the production speed of the slow.
- the eccentric shaft is divided into upper and lower parts so as to be separated, thereby greatly reducing the size of the upper bearing 281, thereby reducing the unit cost of the cone-shaped crusher and the production rate of the crushed products per hour. Has a rising effect.
- FIG. 6 is a bottom view of an extract of a cone crusher according to the present invention.
- the connecting legs 269 are composed of four, two of which are different from the other two, and the arrangement angle or shape is different from each other.
- the two legs of the connecting legs 269 which are narrowed toward the main frame outer wall 16, have a belt 46 connecting the pulley 44 and the pulley 48 connected to the driving motor (not shown). It is preferable that it is formed to have an angle and shape that can protect).
- the belt protective cover 441 is parallel to two sides of the belt 46 exposed between the two pulleys 44 and 48. Can be installed.
- the pulley 44 is coupled to the small diameter portion 266a at the lower end of the lower eccentric shaft, and the pulley 44 is connected to the driving motor (not shown) by the belt 46 to drive.
- the belt 46 to drive.
- a part constituting the dust seal 600 is installed in the mantle core assembly 300, and the part constituting the dust seal 600 when the mantle core assembly 300 moves up and down. They also move up and down. Therefore, the spherical curvature before these parts move up and down and the geometric spherical curvature at the newly moved position are different. As a result, the spherical curvature of the components constituting the dust seal 600 and the newly moved position are different.
- the dust seals can be structurally stabilized after the parts wear out rapidly until their geometric spherical curvatures are equal to each other.
- the dust seal 600 according to the present invention is fixed to a certain height is fixed to a certain height does not move up and down to stay in one place only to agitate movement. Therefore, wear does not occur due to the change of curvature and long life is guaranteed.
- the dust seal 600 of the present invention includes a movable part 610 and a fixed part 620.
- the movable portion 610 includes a lower cover plate 614 that is bolted to the lower plane of the piston 400, and a pipe-shaped mantle core guide portion 618 that rises vertically upward from the outer periphery of the lower cover plate 614. And it is composed of a washer-shaped upper cover plate 612 formed outside the mantle core guide portion 618, the movable spherical plate 616 is connected to the bolt under the upper cover plate 612 and the spherical surface is formed on the upper surface.
- the fixing part 620 has a large hole in the center and a lower spherical ring 624 formed in a spherical shape, and a flange-shaped bottom is firmly coupled to the upper surface of the upper bearing housing 282, and an inner hole of the fixing spherical ring 624 is formed. It consists of a fixed spherical ring guide 622 having a short pipe-type vertical guide portion to fit. The spherical ring 624 can freely move up and down along the outer surface of the spherical ring guide 622, the lower surface of the spherical ring 624 is always in close contact with the upper surface of the movable spherical plate 616 by gravity. .
- the movable portion 610 of the dust seal is also agitated as well but does not move in the up and down direction and can always stay in place.
- the dust seal movable part 610 does only an incitement movement without a shandong.
- the outer circumferential surface of the mantle core lower portion 414 slides on the inner surface of the mantle core guide portion 618.
- the present invention employs a method of blowing compressed air into the fixed spherical ring guide 622 in order to more completely block the dust flow into the cone-shaped crusher.
- FIG. 4 is an enlarged partial view of the upper end of the main shaft, and shows an embodiment in which a suspension bearing of a different type from that of FIG. 3 is applied.
- the spherical suspension bearing consists of a female suspension bearing 224a and a male suspension bearing 226a, and the male suspension bearing 226a is firmly attached to the main shaft 200 by a fixing nut 234a through a dismantling sleeve 232a.
- the center point C ′ of the agitating motion where the center line of the main shaft 200 and the center line of the main frame 10 meet is moved upward to coincide with the center point of the spherical suspension bearing.
- the seal 238a for preventing the outflow of lubricant such as grease supplied to the spherical suspension bearing is made of a material having higher elasticity than that shown in FIG.
- FIG. 5 is an enlarged partial view of the lower end of the main shaft, and shows an embodiment in which a driving means of a different type from that of FIG.
- the power for driving the eccentric drive unit 260a to incite the main shaft 200 is supplied by a pair of bevel gears.
- a gear drive type power supply is widely used in the conventional cone type crusher and is well applied to the present invention.
- the large bevel gear 48a is firmly installed on the mount 49 formed on the upper eccentric shaft 262 via fasteners such as keys.
- the pinion gear 66a engaged therewith is firmly coupled to one end of the count shaft 42a, and a pulley 44a is formed at the other end of the count shaft 42a to receive power from a drive motor (not shown).
- a counterweight 256a is provided on the upper surface of the large bevel gear 48a to counteract the vibration force generated by the eccentric arrangement of the mantle core assembly 300.
- Other elements such as bearings and bearing housings that rotatably support the count shaft 42a will be omitted.
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Abstract
Description
Claims (15)
- 공동을 갖는 프레임과, 상기 프레임의 중심축으로부터 편심되어 상기 공동에 배치된 메인샤프트와, 상기 메인샤프트 하단부와 결합되어 상기 메인샤프트를 선동운동시키는 편심구동부를 구비한 콘형 크러셔에 있어서,상기 편심구동부는 상부편심축과, 하부편심축과, 편심베어링을 구비하며,상기 상부편심축은, 그 중앙부위에 상부편심축 자체의 회전중심과는 편심되어 상기 메인샤프트의 하단부가 통과할 수 있는 개구부를 가지며, 하부에는 상기 하부편심축과 결합되는 상부 결합부를 가지고,상기 하부편심축은 상기 상부편심축의 하방에 위치하여 상부편심축에 체결되는 하부 결합부를 가지고,상기 편심베어링은 상기 메인샤프트의 하단부를 수용하면서 상기 상부편심축과 상기 하부편심축에 의하여 구획된 공간 내에 배치된 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 상부편심축은, 그 상단부에 상부베어링이 결합되는 소경부를 갖는 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 하부편심축은:상단부 내측에 형성되어 상기 편심베어링이 설치되는 편심베어링 마운트; 및하단부에 하부베어링이 결합되는 소경부;를 갖는 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상부편심축 또는 하부편심축에 메인샤프트의 선동운동에 의한 진동을 상쇄하는 균형추가 설치된 것을 특징으로하는 콘형 크러셔.
- 제1항에 있어서,메인샤프트와 편심베어링 내륜의 슬립을 방지하기 위하여, 편심베어링 내부에 수납되는 메인샤프트 하단부와 편심베어링 내륜 내면에 각각 키홈을 형성하고, 상기 키홈에 키가 끼워져 결합되는 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 상부편심축에 형성된 상기 개구부는 최상단에서 소정 깊이까지는 하방으로 갈수록 내경이 작아지도록 테이퍼지게 가공된 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상부편심축의 상방에 위치하는 복수 개의 윤활유 분출공들을 더 구비하며,상기 윤활유 분출공들 중 일부는 상기 메인샤프트로 윤활유를 공급하고, 나머지 일부의 윤활유 분출공들은 상기 상부편심축의 상단에 끼워지는 상부베어링을 향하여 윤활유를 공급할 수 있도록 각도가 설정된 것을 특징으로 하는 콘형 크러셔.
- 제3항에 있어서,상기 편심베어링 마운트는 상기 편심베어링이 장착될 수 있는 직경을 갖되, 이 직경은 상기 상부편심축의 개구부의 최소 직경보다 큰 것을 특징으로 하는 콘형 크러셔.
- 제3항에 있어서,상기 하부편심축은 상기 편심베어링 마운트와 하부편심축 외부를 연결하는 윤활유 배출구를 갖는 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 하부편심축 상단부의 외주면과 상기 상부편심축 하단부의 내주면은 하방에서 상방으로 갈수록 직경이 작아지도록 테이퍼지게 형성되고,상기 하부편심축 상단부의 외주면이 상기 상부편심축 하단부의 내주면과 맞닿을 수 있도록 상기 하부편심축이 상기 상부편심축에 끼워진 상태에서 서로 체결되는 것을 특징으로 하는 콘형 크러셔.
- 제10항에 있어서,상기 편심구동부는 편심축 결합너트를 더 구비하고,상기 상부편심축은 하단부 외주면에 형성된 수나사를 갖고,상기 하부편심축의 하부 결합부의 하부 둘레에는 계단부가 형성되며,상기 편심축 결합너트는, 상기 하부편심축의 계단부를 가압할 수 있는 플랜지를 갖고, 상기 플랜지로부터 상방을 향해 연장되는 파이프부의 내주면에는 상기 수나사와 결합하는 암나사가 형성된 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 편심구동부는 상부편심축 또는 하부편심축에 결합된 베벨형기어 및 상기 베벨형기어에 맞물리는 다른 베벨형기어에 의하여 구동되는 것을 특징으로 하는 콘형 크러셔.
- 제1항에 있어서,상기 편심구동부는 상기 하부편심축의 하단부에 직접 결합된 풀리에 의하여 구동되는 것을 특징으로 하는 콘형 크러셔.
- 제13항에 있어서,상기 풀리를 연결하는 벨트를 보호하기 위하여, 노출된 벨트가 이루는 두 변과 나란하게 설치된 벨트 보호커버를 더 구비한 것을 특징으로 하는 콘형 크러셔.
- 제14항에 있어서,상기 상부편심축과 상기 하부편심축의 외측을 둘러싸는 편심구동부 외벽을 더 구비하고,상기 편심구동부 외벽은 연결다리들에 의하여 상기 프레임에 고정되며,상기 연결다리들 중 적어도 2개는 상기 벨트가 이루는 두 변과 나란하게 설치된 것을 특징으로 하는 콘형 크러셔.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP12771922.7A EP2698206B1 (en) | 2011-04-14 | 2012-04-16 | Cone-shaped crusher |
US14/009,109 US9050600B2 (en) | 2011-04-14 | 2012-04-16 | Cone-shaped crusher |
CN201280018457.4A CN103476502B (zh) | 2011-04-14 | 2012-04-16 | 圆锥形破碎机 |
JP2014505091A JP2014511764A (ja) | 2011-04-14 | 2012-04-16 | コーン型クラッシャー |
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KR10-2011-0034523 | 2011-04-14 | ||
KR1020110034523A KR101191267B1 (ko) | 2011-04-14 | 2011-04-14 | 콘형 크러셔 |
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WO2012141559A1 true WO2012141559A1 (ko) | 2012-10-18 |
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PCT/KR2012/002880 WO2012141559A1 (ko) | 2011-04-14 | 2012-04-16 | 콘형 크러셔 |
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US (1) | US9050600B2 (ko) |
EP (1) | EP2698206B1 (ko) |
JP (2) | JP2014511764A (ko) |
KR (1) | KR101191267B1 (ko) |
CN (1) | CN103476502B (ko) |
WO (1) | WO2012141559A1 (ko) |
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CN115875962A (zh) * | 2022-11-08 | 2023-03-31 | 江苏利晟安装工程有限公司 | 一种医药工程用原料烘干装置 |
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Also Published As
Publication number | Publication date |
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CN103476502B (zh) | 2016-03-02 |
US9050600B2 (en) | 2015-06-09 |
EP2698206A4 (en) | 2014-11-05 |
JP2014511764A (ja) | 2014-05-19 |
JP2016153120A (ja) | 2016-08-25 |
US20140224909A1 (en) | 2014-08-14 |
JP6238027B2 (ja) | 2017-11-29 |
KR101191267B1 (ko) | 2012-10-16 |
EP2698206B1 (en) | 2017-12-20 |
EP2698206A1 (en) | 2014-02-19 |
CN103476502A (zh) | 2013-12-25 |
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