CN204365394U - A kind of single casing gyratory crusher - Google Patents
A kind of single casing gyratory crusher Download PDFInfo
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- CN204365394U CN204365394U CN201420869724.5U CN201420869724U CN204365394U CN 204365394 U CN204365394 U CN 204365394U CN 201420869724 U CN201420869724 U CN 201420869724U CN 204365394 U CN204365394 U CN 204365394U
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Abstract
The utility model relates to mining equiment field, particularly relates to a kind of single casing gyratory crusher.A kind of single casing gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly; This gyratory crusher good stability, intensity are high.
Description
Technical field
The utility model relates to mining equiment field, particularly relates to a kind of single casing gyratory crusher.
Background technology
Gyratory crusher is a kind of mining machinery for broken building stones, and its critical piece comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame.The operation principle of this equipment is that eccentric stiffener is connected with transmission mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and eccentric stiffener drives mantle main shaft group swing campaign, and the cone of determining in mantle main shaft group and frame cooperatively interacts broken building stones.Hydraulicefficiency elevation structure is in below the mantle main shaft group of gyratory crusher, and the effect of hydraulicefficiency elevation structure is the axial height of adjustment mantle main shaft group, changes crusher chamber size; Bearing assembly is arranged between hydraulicefficiency elevation structure and mantle main shaft group, both can axial support mantle main shaft, can not hinder again the circumferential swing of mantle main shaft.
But existing gyratory crusher has following 4 weak points: 1, the eccentric bushing stability in eccentric stiffener is not enough, be easy to axial dipole field, and the eccentric bush in eccentric bushing is rigidly connected with it, causes the wearing and tearing between eccentric bush and mantle main shaft group comparatively large, reduce the service life of equipment; 2, mantle main shaft group bonding strength is inadequate, and mantle liner plate easily loosens, and there is potential safety hazard; 3, the hydraulic oil seal poor effect in hydraulicefficiency elevation structure, and easily come off when equipment runs for the piston gland of positioning oil seal, there is potential safety hazard; 4, bearing assembly stability is not enough, and when mantle main shaft group swing excessive velocities, the easy centrifugal disengaging of middle thrust plate, exists accident potential.
Therefore, a gyratory crusher that can solve the problem is badly in need of.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of gyratory crusher, and this gyratory crusher good stability, intensity are high.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
A kind of single casing gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly;
Described eccentric stiffener comprises bearing block, and is arranged on the eccentric bushing in bearing block, and is arranged on the eccentric bush in eccentric bushing; Bearing block inner top side is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is also provided with bearing spacer ring between upper location bearing and lower location bearing; Described eccentric bushing is is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top from bottom to up successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is all less than the diameter of eccentric middle part outer side surface; Positive heart bottom inside wall is provided with step surface, the positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole and eccentric inside top through hole measure-alike and coaxially arranging, and the interior side through hole above step surface forms bushing mounting holes; Bottom the positive heart of described eccentric bushing, location and installation is in lower location bearing, eccentric top location and installation is in upper location bearing, eccentric middle part location and installation is in bearing spacer ring, and eccentric bush is arranged in the bushing mounting holes of eccentric bushing, and the lower surface of eccentric bush is erected on step surface;
Described mantle main shaft group comprises the main shaft of bottom location and installation in eccentric bush, and the movable cone be set in outside main shaft, and coning sleeve is located at the mantle liner plate outside movable cone, closely offset between the lower end inside face of mantle liner plate and the lower end outside face of movable cone, the mantle groove of filling epoxy resin is configured between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, main shaft above movable cone has been threaded locking nut, locking nut axial location mantle liner plate;
Described hydraulicefficiency elevation structure comprises hydraulic cylinder, and is arranged on the piston that also can move axially in hydraulic cylinder, and is fixed on the cylinder body bottom at hydraulic cylinder lower ending opening place; Described cylinder body bottom is provided with hydraulic oil channel, and the inner opening of hydraulic oil channel is on cylinder body bottom end face, and the outer end opening of hydraulic oil channel is on cylinder body bottom side; Guidance tape and O-ring seals is provided with between described piston and hydraulic cylinder upper end, be provided with between piston and hydraulic cylinder bottom that lower guidance tape and V-arrangement are folded to be sealed, upper guidance tape and lower guidance tape interference are arranged between hydraulic cylinder and piston, and the V-arrangement that V-arrangement folds envelope is opening down; The middle part of described piston is protruded downwards, and piston is arranged with the piston gland folding envelope for locating V-arrangement along its protuberance, be bolted between piston gland and piston, and the lower surface of piston gland is higher than the lower surface of piston protuberance;
Described bearing assembly comprises the upper thrust plate being fixed on mantle main shaft group bottom, and be fixed on lower thrust plate and the thrust plate locating piece of piston upper surface, and the middle thrust plate arranged between thrust plate and lower thrust plate, the lower surface of middle thrust plate and the upper surface of lower thrust plate offset, and the upper surface of middle thrust plate and the lower surface of upper thrust plate offset; Described upper thrust plate, middle thrust plate and lower thrust plate are annular, and thrust plate locating piece is in the central through hole of lower thrust plate, and the upper surface of thrust plate locating piece is higher than the upper surface of lower thrust plate; The central through hole of middle thrust plate is set in outside the upper end of thrust plate locating piece, and middle thrust plate can rotate along the upper end swing of thrust plate locating piece.
As preferably, the lower end of described movable cone is provided with dustproof groove, and the dust-proof draw-in groove communicated with it is established in the lower end of dustproof groove, and the movable cone of dust-proof draw-in groove lower end is also provided with dust ring baffle ring; Be provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component comprises the dust proof tube be fixed on bearing block, and is set in the dust ring in outside of dust proof tube; The upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring.Under this structure, as mantle main shaft group moves axially, the inside of dust ring also can move axially along the outer side surface of dust proof tube; In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot enter in eccentric stiffener in the process, ensures its dust-proof effect.
As preferably, the outer side surface of described frame is provided with middle part fuel feed hole, frame lower end is provided with oil return pipe, bearing block and dust proof tube all offers the middle part communicated successively and moistens oily passage, dust proof tube also offers and to moisten the first oil outlet and the second oil outlet that oily passage communicates with the middle part of its inside; Described middle part fuel feed hole moistens oily passage by oil pipe and middle part and communicates, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block.The middle part lubrication circuit of this gyratory crusher is for lubricating eccentric stiffener; During work, oil pump station outside equipment injects lubricating oil to middle part fuel feed hole, lubricating oil flows into the oily passage of middle part profit by oil pipe, sprayed by the first oil outlet on dust proof tube and the second oil outlet, the lubricating oil of the first oil outlet ejection is for lubricating the bearing in eccentric bushing, and the lubricating oil of the second oil outlet ejection is for lubricating the bearing between eccentric bushing and bearing block; Lubricating oil confluxes in frame lower end to after eccentric stiffener lubrication, and is back to oil pump station by oil return pipe, thus forms oil circuit, can to circulate sufficient lubrication to eccentric stiffener.
As preferably, described hydraulic cylinder, piston and thrust plate locating piece are provided with the bottom communicated successively and moisten oily passage, the sidewall of hydraulic cylinder is also provided with the bottom fuel feed hole moistening oily passage with the bottom of its inside and communicate, thrust plate locating piece is provided with the 3rd oil outlet moistening oily passage with the bottom of its inside and communicate, 3rd oil outlet is in above oil return pipe, and the 3rd oil outlet is towards bearing assembly.The bottom lubrication circuit of this gyratory crusher is for lubricating bearing assembly; During work, oil pump station lower portion fuel feed hole outside equipment injects lubricating oil, and lubricating oil moistens oily passage by bottom and finally to be sprayed by the 3rd oil outlet on thrust plate locating piece, and the lubricating oil of the 3rd oil outlet ejection is for lubricating bearing assembly; Lubricating oil confluxes in frame lower end to after bearing assembly lubrication, and is back to oil pump station by oil return pipe, thus forms oil circuit, can to circulate sufficient lubrication to bearing assembly.
As preferably, the both ends of the surface up and down of middle thrust plate are interior concaved circular cambered surface, and the lower surface of upper thrust plate and the upper surface of lower thrust plate are outer convex arc surface; The lower surface of middle thrust plate coordinates with the upper surface cambered surface of lower thrust plate and offsets, and the upper surface of middle thrust plate coordinates with the lower surface cambered surface of upper thrust plate and offsets; Thus middle thrust plate is positioned at wherein, prevent the centrifugal disengaging in high speed swing of middle thrust plate.
As preferably, the both ends of the surface up and down of described middle thrust plate are shiny surface, the lower surface of upper thrust plate and the upper surface of lower thrust plate all offer Circumferential oil groove and many radial oil grooves, and many radial oil grooves are centrally located rule and are arranged, and Circumferential oil groove all communicates with the radial oil groove of every bar; Upper thrust plate and lower thrust plate offer oil groove, adds the oil storage capacity of bearing assembly, strengthen lubricant effect, thus further reduce the resistance between thrust plate.
As preferably, the lower end of mantle main shaft group is fixed with main shaft end cap, and the middle part of main shaft end cap is protruded downwards; Upper thrust plate is bolted on spindle end and covers, and the central through hole of upper thrust plate is set on the protuberance of main shaft end cap; The protuberance of main shaft end cap adds the radial stability of thrust plate, makes thrust plate swing more stable.
As preferably, described transmission mechanism comprises driving axle box, and runs through the power transmission shaft be arranged in driving axle box, and is arranged on the transmission cone tooth on the inner end of power transmission shaft, and is arranged on the drive pulley on the outer end of power transmission shaft; The two ends of described driving axle box are equipped with the drive bearing for locating transmission axle, power transmission shaft is located in drive bearing, power transmission shaft outside drive bearing is arranged with the transmission axle collar, the two-port place of driving axle box is all fixed with the drive bearing end cap for positioning transmission bearing, is provided with oil sealing between drive bearing end cap and the transmission axle collar.
As preferably, described driving axle box is provided with axle box medium pipeline, unloads oilhole and gauge hatch, and axle box medium pipeline runs through the upper end being arranged on driving axle box, and unload the lower end that oilhole is opened in driving axle box, gauge hatch is opened in the side of driving axle box.
As preferably, the bottom of described eccentric bushing is fixed with eccentric bushing cone tooth, eccentric bushing cone tooth is bored tooth with the transmission on transmission mechanism and is meshed.
The utility model adopts technique scheme, and this gyratory crusher has some advantage following: 1, and eccentric bushing is arranged in bearing block by upper location bearing and lower location bearing, not only axial restraint eccentric bushing, and the circumference also stablizing the upper and lower both sides of eccentric bushing is stressed; Eccentric bush is arranged in eccentric bushing, and eccentric bush lower end frame is located on step surface, and eccentric bush is connected with the Contact of eccentric bushing, non-rigid connection; Thus eccentric bush only can produce deflection and can not with eccentric bushing coaxial rotation, thus reduce the wearing and tearing between eccentric bush and mantle main shaft group, extend the service life of equipment.2, mantle liner plate with adopt between movable cone that tapering is sheathed, epoxy resin pastes and locates three kinds of connected modes with locking nut and be connected, thus limit mantle liner plate by axial and circumferential respectively, mantle liner plate is connected firmly, good stability.3, V-arrangement between piston and hydraulic cylinder folded envelope V-arrangement is opening down, and namely V-arrangement folds the V-arrangement opening of envelope towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open, thus make the interference of V-arrangement folded envelope be arranged between hydraulic cylinder and piston, better tightness; And the lower surface of piston gland lower surface higher than piston protuberance of envelope is folded for locating V-arrangement, piston gland can not connect with cylinder body bottom, therefore under this structure, the bolt of fixed piston gland can not twist off due to deflection, be connected firmly between piston gland and piston, guarantee the hydraulicefficiency elevation structure sealing of gyratory crusher.4, the thrust plate locating piece location and installation in bearing assembly is in the central through hole of lower thrust plate, and lower thrust plate increases radial stability by thrust plate locating piece; The central through hole of middle thrust plate is set in outside the upper end of thrust plate locating piece, and middle thrust plate limits its swing amplitude by thrust plate locating piece; During broken building stones, upper thrust plate rotates with the swing of mantle main shaft group, and thrust plate swing together in driving, middle thrust plate cannot centrifugally depart from swing process, ensure that the normal operation of equipment, lays a good foundation for equipment promotes swing speed further.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present utility model.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Fig. 4 is the structural representation of mantle main shaft group.
Fig. 5 is the structural representation of transmission mechanism.
Fig. 6 is the schematic cross-section of eccentric bushing.
Fig. 7 is the structural representation of upper thrust plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in further detail.
A kind of single casing gyratory crusher as shown in Fig. 1 ~ Fig. 7, comprises frame 2, and is arranged on transmission mechanism 6, eccentric stiffener 5, hydraulicefficiency elevation structure 7, mantle main shaft group 3 and the bearing assembly 4 in frame 2; Eccentric stiffener 5 is connected with transmission mechanism 6 transmission, and the location and installation of mantle main shaft group 3 is in eccentric stiffener 5, and hydraulicefficiency elevation structure 7 is in below mantle main shaft group 3, is connected between hydraulicefficiency elevation structure 7 with mantle main shaft group 3 by bearing assembly 4.
Following content carries out segmentation detailed description to all parts of gyratory crusher:
transmission mechanism
Described transmission mechanism comprises driving axle box 61, and runs through the power transmission shaft 62 be arranged in driving axle box 61, and the drive pulley 63 be arranged on power transmission shaft 62 end and transmission cone tooth 64.The two ends of described driving axle box 61 are equipped with the drive bearing 65 for locating transmission axle 62, power transmission shaft 62 is located in drive bearing 65, power transmission shaft 62 outside drive bearing 65 is arranged with the transmission axle collar 66, the port of driving axle box 61 is fixed with the drive bearing end cap 67 for positioning transmission bearing 65, is provided with oil sealing 68 between drive bearing end cap 67 and the transmission axle collar 66.Described transmission cone tooth 64 is fixed on the inner end of power transmission shaft 62, and drive pulley 63 is fixed on the outer end of power transmission shaft 62, is fixed, improve its bonding strength between drive pulley 63 and power transmission shaft 62 by belt wheel tapered sleeve interference fit.
Described driving axle box 61 is provided with axle box medium pipeline 611, unloads oilhole 612 and gauge hatch, and axle box medium pipeline 611 runs through the upper end being arranged on driving axle box 61; Unload the lower end that oilhole 612 is opened in driving axle box 61, for being discharged by the failed lubricating oil of driving axle box 61 inside; Gauge hatch is opened in the side of driving axle box 61, and for measuring the inside oil level of driving axle box 61, the inside oil level of general driving axle box 61 can not exceed gauge hatch.During installation, axle box medium pipeline 611 is used for manually adding lubricating oil in driving axle box 61 as oil inlet pipe, only needs periodic replacement after the interior oiling of driving axle box 61; During routine work, axle box medium pipeline 611, as breather pipe, has the effect of external atmospheric pressure in heat radiation and balance driving axle box 61, needs to add air cleaner in its port, prevent the impurity in outside air from entering in driving axle box 61 during use.
eccentric stiffener
Described eccentric stiffener 5 comprises bearing block 51, eccentric bushing 52 and eccentric bush 53, bearing block 51 inner top side is provided with location bearing 54, the top of upper location bearing 54 is provided with top bearing cover 541 and positions, top bearing cover 541 is fixed on the upper end of eccentric bushing 52, is also provided with the eccentricity balance-weight block 59 for stable eccentric bushing 52 above top bearing cover 541; Bearing block 51 inside lower end is provided with lower location bearing 55, and the below of lower location bearing 55 is provided with end ring 551 and positions, and end ring 551 is fixed on the lower surface of bearing block 51; Bearing block 51 interior sidewall surface between upper location bearing 54 and lower location bearing 55 is provided with bearing spacer ring 56, upper location bearing 54 and lower location bearing 55 location is separated by bearing spacer ring 56.
Described eccentric bushing 52 by upper location bearing 54 and lower location bearing 55 location and installation in bearing block 51, specifically: eccentric bushing 52 from bottom to up successively by bottom the positive heart 521, eccentric middle part 522 and eccentric top 523 integrally connect and compose, bottom the positive heart, 521 are in lower location bearing 55, eccentric top 523 is in location bearing 54, and eccentric middle part 522 is in bearing spacer ring 56.The eccentric middle part 522 of described eccentric bushing 52 and the eccentric top 523 column annular all in width gradual change, the diameter of eccentric middle part 522 outer side surfaces is greater than the diameter of eccentric top 523 outer side surface; Bottom the positive heart of eccentric bushing 52,521 in annular, bottom the positive heart, the diameter of 521 outer side surfaces is less than the diameter of the outer side surface at eccentric middle part 522, bottom the positive heart, the interior sidewall surface of 521 is provided with step surface 521a, side through hole and the eccentric middle part interior side through hole of 522 and the interior side through hole at eccentric top 523 measure-alike and coaxially arranging in 521 bottom the positive heart above step surface 521a, and the interior side through hole above step surface 521a is configured for the bushing mounting holes 58 of setting-up eccentricity lining 53.Described eccentric bush 53 is arranged in bushing mounting holes 58, and the lower surface of eccentric bush is erected on step surface, and eccentric bush 53 is cylinder ring body, and main shaft lower end is positioned in eccentric bush by bearing.The bottom of described eccentric bushing 52 is fixed with eccentric bushing cone tooth 57, eccentric bushing cone tooth 57 is bored tooth 64 with the transmission on transmission mechanism and is meshed; During equipment work, eccentric bushing 52 is driven by described transmission mechanism 6 by eccentric bushing cone tooth 57, and eccentric bushing 52 rotates and drives eccentric bush 53 and the mantle main shaft group 3 of its inside, and finally makes mantle main shaft group 3 do swing campaign.
mantle main shaft group
Described mantle main shaft group 3 comprises main shaft 31, movable cone 32 and mantle liner plate 33, and main shaft 31 lower end is arranged in eccentric bush 53 by self-aligning roller bearing 311.The mid diameter of described main shaft 31 is greater than its two ends diameter, the taper type that movable cone 32 is large in the little lower end diameter of upper end diameter, and the axle center place of movable cone 32 is provided with spindle hole, and movable cone 32 is set in the outside in the middle part of main shaft 31.The lower surface of movable cone 32 is provided with dustproof groove 321 along the spindle hole in the middle part of it, and the dust-proof draw-in groove 322 communicated with it is established in the lower end of dustproof groove 321, and the movable cone 32 of dust-proof draw-in groove 322 lower end is also provided with dust ring baffle ring 323.Main shaft dust preventing component is provided with between described movable cone 32 and eccentric stiffener 5, main shaft dust preventing component comprises lower end and is fixed on dust proof tube 34 on eccentric stiffener 5, and the dust ring 35 be set in outside dust proof tube 34, wherein dust ring 35 is the torus be made up of wear resistant nylon, and toric ring body section radially direction tilts.During installation, the upper end of dust proof tube 34 is in dustproof groove 321, and dust ring 35 is in dust-proof draw-in groove 322, and dust ring 35 can be positioned in dust-proof draw-in groove 322 by dust ring baffle ring 323.Cross in iron process at gyratory crusher, mantle main shaft group moves axially, and the inside of dust ring moves axially along the outer side surface of dust proof tube; In the process, dust ring the inner offsets with dust proof tube all the time, and outer end is located by connecting with movable cone all the time, and dust cannot enter in eccentric stiffener in the process.Described dust proof tube 34 upper end open place is also provided with gear outermost layer of skin circle 36, gear outermost layer of skin circle 36 is between dust proof tube 34 upper end and movable cone 32, gear outermost layer of skin circle is dished out from the upper end open of dust proof tube for preventing the lubricating oil in eccentric stiffener, also has certain dust-proof effect simultaneously.
Mantle liner plate 33 is set in the outside of movable cone 32, closely offset between the lower end inside face of mantle liner plate 33 and the lower end outside face of movable cone 32, the mantle groove 37 of filling epoxy resin is configured between the upper end medial surface of mantle liner plate 33 and the upper end lateral surface of movable cone 32, main shaft above movable cone 32 has also been threaded locking nut 38, is provided with cut ring 39 between the upper surface of locking nut 38 and mantle liner plate 33; During installation, taper fit between mantle liner plate 33 and movable cone 32, restriction mantle liner plate 33 down slides; Filling epoxy resin in mantle groove 37 between mantle liner plate 33 and movable cone 32, the slip in restriction mantle liner plate 33 circumference; Locking nut 38 pushes down the upper surface of mantle liner plate 33 by cut ring 39, and restriction mantle liner plate 33 up slides; Above-mentioned three kinds of connections are adopted to make to be connected firmly between mantle liner plate 33 and movable cone 32, relative sliding can not be there is, and cut ring 39 can be cut off when mantle liner plate 33 changed by needs, back out locking nut 38, knocking mantle liner plate 33 makes it loosening with movable cone 32, takes off from main shaft 31 upper end.
hydraulicefficiency elevation structure
Described hydraulicefficiency elevation structure 7 comprises hydraulic cylinder 71, and be located at hydraulic cylinder 71 and can slide up and down piston 72, and be fixed on the cylinder body bottom 73 at hydraulic cylinder 71 lower ending opening place, cylinder body bottom 73 is provided with hydraulic oil channel 731, the inner opening of hydraulic oil channel 731 is on cylinder body bottom 73 end face, and the outer end opening of hydraulic oil channel 731 is on cylinder body bottom 73 side.During use, hydraulic oil channel 731 connects hydraulic oil unit by oil pipe, hydraulic oil unit control piston 72 lower end hydraulic pressure oil level, thus impels piston 72 to move axially, and then changes the height of mantle main shaft group, adjustment crusher chamber size.In addition, be provided with the displacement transducer 74 for detecting piston 72 position at the inside center place of cylinder body bottom 73, displacement transducer 74 is connected with middle control computer, thus by the crusher chamber size of middle control conputer controlled gyratory crusher.
Be provided with guidance tape 75 and O-ring seals 76 from top to bottom successively between described piston 72 and hydraulic cylinder 71 upper end, upper guidance tape 75 and O-ring seals 76 are all located on hydraulic cylinder 71; Be provided with lower guidance tape 77 from top to bottom successively between piston 72 and hydraulic cylinder 71 bottom and V-arrangement folds envelope 78, the V-arrangement that V-arrangement folds envelope 78 is opening down.Described upper guidance tape 75 and the interference of lower guidance tape 77 are arranged between hydraulic cylinder 71 and piston 72, and upper guidance tape and lower guidance tape are used for the relative movement between guide piston and hydraulic cylinder, and can prevent piston from directly contacting with hydraulic cylinder, wearing and tearing; O-ring seals 76 is for preventing the lubricating oil outside hydraulicefficiency elevation structure dirty; V-arrangement folds envelope 78 for the gap between sealed hydraulic cylinder body 71 and piston 72 lower end, and V-arrangement is folded envelope and is used for preventing hydraulic oil seepage, maintains stability hydraulic; And the V-arrangement that V-arrangement folds envelope 78 is opening down, namely V-arrangement opening is towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open, thus make V-arrangement fold envelope 78 interference to be arranged between hydraulic cylinder 71 and piston 72, better tightness.
The middle part of described piston 72 lower end is protruded downwards, its protuberance 721 of piston 72 lower end edge is arranged with piston gland 79, piston gland 79 folds envelope 78 for the V-arrangement between positioning piston 72 and hydraulic cylinder 71, be bolted between piston gland 79 and piston 72, the lower surface of piston gland 79 is higher than the lower surface of protuberance 721; Namely, when the protuberance 721 of piston offsets with cylinder body bottom 73, there is space between piston gland 79 and cylinder body bottom 73, even if piston produces deflection due to vibrations, piston gland can not be subject to the frictional force hindering it to deflect; Therefore under this structure, the bolt of fixed piston gland generally can not be twisted off, and is connected firmly between piston gland and piston, thus guarantees the sealing of hydraulicefficiency elevation structure.
bearing assembly
Described bearing assembly 4 is arranged between hydraulicefficiency elevation structure 7 and mantle main shaft group 3, bearing assembly 4 comprises the upper thrust plate 41 being fixed on mantle main shaft group 3 bottom, and the lower thrust plate 42 be fixed on piston 72 upper surface and thrust plate locating piece 43, and the middle thrust plate 44 between thrust plate 41 and lower thrust plate 42 is set.Described mantle main shaft group 3 lower end is fixed with main shaft end cap 30, the middle part of main shaft end cap 30 is protruded downwards, upper thrust plate 41 is in annular, upper thrust plate 41 is bolted on main shaft end cap 30, the middle through-hole of upper thrust plate 41 is set in outside the middle part projection of main shaft end cap 30, the protuberance of this structure lower main axis end cap adds the radial stability of thrust plate, makes thrust plate swing more stable.Described lower thrust plate 42 and middle thrust plate 44 are all in annular, lower thrust plate 42 is bolted on piston 72 upper surface, thrust plate locating piece 43 is bolted on the piston 72 in lower thrust plate 42 central through hole, and lower thrust plate increases radial stability by thrust plate locating piece; The upper surface of thrust plate locating piece 43 is higher than the upper surface of lower thrust plate 42, the central through hole of middle thrust plate 44 is set in outside the upper end of thrust plate locating piece 43, middle thrust plate 44 can do swing campaign along the upper end of thrust plate locating piece 43, and middle thrust plate limits its swing amplitude by thrust plate locating piece; During broken building stones, upper thrust plate rotates with the swing of mantle main shaft group, and thrust plate swing together in driving, middle thrust plate can not due to the too fast and centrifugal disengaging of swing, ensure that the normal operation of equipment, lay a good foundation for equipment promotes swing speed further.
The both ends of the surface up and down of middle thrust plate 44 are interior concaved circular cambered surface, and namely, the thickness as outside of thrust plate 44 is greater than the inner thickness of middle push pedal; The lower surface of upper thrust plate 41 is the outer convex arc surface matched with the upper surface of middle push pedal, the upper surface of lower thrust plate 42 is the outer convex arc surface matched with the lower surface of middle push pedal, upper thrust plate 41, between middle thrust plate 44 and lower thrust plate 42 cambered surface coordinate form, thus middle thrust plate 44 is positioned at wherein, prevent the centrifugal disengaging in high speed swing of middle thrust plate 44.The both ends of the surface up and down of described middle thrust plate 44 are shiny surface, the lower surface of upper thrust plate 41 and the upper surface of lower thrust plate 42 all offer Circumferential oil groove 4a and many radial oil groove 4b, many radial oil groove 4b centrally locate rule and arrange, Circumferential oil groove 4a all communicates with each radial oil groove 4b, radial oil groove 4b and Circumferential oil groove 4a can make lubricating oil be evenly distributed at its end face, thrust plate 41, middle thrust plate 44 and lower thrust plate 42 contact surface each other in sufficient lubrication.
lubricant passage way
The outer side surface of frame 2 is provided with middle part fuel feed hole 82, and frame 2 lower end is provided with oil return pipe 214; Bearing block and dust proof tube all offer the middle part communicated successively and moistens oily passage 83, middle part fuel feed hole 82 moistens oily passage 83 by oil pipe and middle part and communicates.Dust proof tube also offers the first oil outlet 84 and the second oil outlet 85 moistening oily passage 83 with the middle part of its inside and communicate; First oil outlet 84 and the second oil outlet 85 are in above oil return pipe 214; Described first oil outlet 84 is opened in the interior sidewall surface of dust proof tube, and the first oil outlet 84 is towards in eccentric bushing; Second oil outlet 85 is opened on the lower surface of dust proof tube, and the second oil outlet 85 is towards between eccentric bushing and bearing block.During equipment work, oil pump station outside equipment injects lubricating oil to middle part fuel feed hole 82, lubricating oil flows into the oily passage 83 of middle part profit by oil pipe, sprayed by the first oil outlet 84 on dust proof tube and the second oil outlet 85, the lubricating oil that first oil outlet 84 sprays is for lubricating the bearing in eccentric bushing, the lubricating oil that second oil outlet 85 sprays is for lubricating the bearing between eccentric bushing and bearing block, conflux in frame 2 lower end after lubricating oil lubricates parts, and be back to oil pump station by oil return pipe 214, thus form loop; Under this lubrication circuit, the bearing of eccentric stiffener 5 inside is lubricated fully.
Described hydraulic cylinder 71, piston 72 and thrust plate locating piece 43 are provided with the bottom communicated successively and moisten oily passage 86, the sidewall of hydraulic cylinder 71 is also provided with the bottom fuel feed hole 87 moistening oily passage 86 with the bottom of its inside and communicate, thrust plate locating piece 43 is provided with the 3rd oil outlet 88 moistening oily passage 86 with the bottom of its inside and communicate, 3rd oil outlet 88 is in above oil return pipe 214, and the 3rd oil outlet 88 is towards bearing assembly.During equipment work, oil pump station lower portion fuel feed hole 87 outside equipment injects lubricating oil, lubricating oil moistens oily passage 86 by bottom and finally to be sprayed by the 3rd oil outlet 88 on thrust plate locating piece 43, and the lubricating oil that the 3rd oil outlet 88 sprays is for lubricating bearing assembly; Conflux in frame 2 lower end after lubricating oil lubricates bearing assembly, and be back to oil pump station by oil return pipe 214; Under this lubrication circuit, bearing assembly is lubricated fully.Comprehensively above-mentioned two lubrication circuits, to eccentric stiffener 5 and bearing assembly 4 circulating lubricating, can effectively prevent the phenomenons such as main shaft locking.
In sum, this gyratory crusher has some advantage following: 1, and eccentric bushing is arranged in bearing block by upper location bearing and lower location bearing, not only axial restraint eccentric bushing, and the circumference also stablizing the upper and lower both sides of eccentric bushing is stressed; Eccentric bush is arranged in eccentric bushing, and eccentric bush lower end frame is located on step surface, and eccentric bush is connected with the Contact of eccentric bushing, non-rigid connection; Thus eccentric bush only can produce deflection and can not with eccentric bushing coaxial rotation, thus reduce the wearing and tearing between eccentric bush and mantle main shaft group, extend the service life of equipment.2, mantle liner plate with adopt between movable cone that tapering is sheathed, epoxy resin pastes and locates three kinds of connected modes with locking nut and be connected, thus limit mantle liner plate by axial and circumferential respectively, mantle liner plate is connected firmly, good stability.3, V-arrangement between piston and hydraulic cylinder folded envelope V-arrangement is opening down, and namely V-arrangement folds the V-arrangement opening of envelope towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open, thus make the interference of V-arrangement folded envelope be arranged between hydraulic cylinder and piston, better tightness; And the lower surface of piston gland lower surface higher than piston protuberance of envelope is folded for locating V-arrangement, piston gland can not connect with cylinder body bottom, therefore under this structure, the bolt of fixed piston gland can not twist off due to deflection, be connected firmly between piston gland and piston, guarantee the hydraulicefficiency elevation structure sealing of gyratory crusher.4, the thrust plate locating piece location and installation in bearing assembly is in the central through hole of lower thrust plate, and lower thrust plate increases radial stability by thrust plate locating piece; The central through hole of middle thrust plate is set in outside the upper end of thrust plate locating piece, and middle thrust plate limits its swing amplitude by thrust plate locating piece; During broken building stones, upper thrust plate rotates with the swing of mantle main shaft group, and thrust plate swing together in driving, middle thrust plate cannot centrifugally depart from swing process, ensure that the normal operation of equipment, lays a good foundation for equipment promotes swing speed further.
Claims (10)
1. a single casing gyratory crusher, comprises frame, and is arranged on transmission mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly in frame; Described eccentric stiffener is connected with transmission mechanism transmission, and the lower end location and installation of mantle main shaft group is in eccentric stiffener, and hydraulicefficiency elevation structure is in below mantle main shaft group, is connected between hydraulicefficiency elevation structure with mantle main shaft group by bearing assembly; It is characterized in that:
Described eccentric stiffener comprises bearing block, and is arranged on the eccentric bushing in bearing block, and is arranged on the eccentric bush in eccentric bushing; Bearing block inner top side is provided with location bearing, and bearing block inside lower end is provided with lower location bearing, is also provided with bearing spacer ring between upper location bearing and lower location bearing; Described eccentric bushing is is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top from bottom to up successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is all less than the diameter of eccentric middle part outer side surface; Positive heart bottom inside wall is provided with step surface, the positive heart bottom inside through hole above step surface and eccentric inside middle portion through hole and eccentric inside top through hole measure-alike and coaxially arranging, and the interior side through hole above step surface forms bushing mounting holes; Bottom the positive heart of described eccentric bushing, location and installation is in lower location bearing, eccentric top location and installation is in upper location bearing, eccentric middle part location and installation is in bearing spacer ring, and eccentric bush is arranged in the bushing mounting holes of eccentric bushing, and the lower surface of eccentric bush is erected on step surface;
Described mantle main shaft group comprises the main shaft of bottom location and installation in eccentric bush, and the movable cone be set in outside main shaft, and coning sleeve is located at the mantle liner plate outside movable cone, closely offset between the lower end inside face of mantle liner plate and the lower end outside face of movable cone, the mantle groove of filling epoxy resin is configured between the upper end medial surface of mantle liner plate and the upper end lateral surface of movable cone, main shaft above movable cone has been threaded locking nut, locking nut axial location mantle liner plate;
Described hydraulicefficiency elevation structure comprises hydraulic cylinder, and is arranged on the piston that also can move axially in hydraulic cylinder, and is fixed on the cylinder body bottom at hydraulic cylinder lower ending opening place; Described cylinder body bottom is provided with hydraulic oil channel, and the inner opening of hydraulic oil channel is on cylinder body bottom end face, and the outer end opening of hydraulic oil channel is on cylinder body bottom side; Guidance tape and O-ring seals is provided with between described piston and hydraulic cylinder upper end, be provided with between piston and hydraulic cylinder bottom that lower guidance tape and V-arrangement are folded to be sealed, upper guidance tape and lower guidance tape interference are arranged between hydraulic cylinder and piston, and the V-arrangement that V-arrangement folds envelope is opening down; The middle part of described piston is protruded downwards, and piston is arranged with the piston gland folding envelope for locating V-arrangement along its protuberance, be bolted between piston gland and piston, and the lower surface of piston gland is higher than the lower surface of piston protuberance;
Described bearing assembly comprises the upper thrust plate being fixed on mantle main shaft group bottom, and be fixed on lower thrust plate and the thrust plate locating piece of piston upper surface, and the middle thrust plate arranged between thrust plate and lower thrust plate, the lower surface of middle thrust plate and the upper surface of lower thrust plate offset, and the upper surface of middle thrust plate and the lower surface of upper thrust plate offset; Described upper thrust plate, middle thrust plate and lower thrust plate are annular, and thrust plate locating piece is in the central through hole of lower thrust plate, and the upper surface of thrust plate locating piece is higher than the upper surface of lower thrust plate; The central through hole of middle thrust plate is set in outside the upper end of thrust plate locating piece, and middle thrust plate can rotate along the upper end swing of thrust plate locating piece.
2. a kind of single casing gyratory crusher according to claim 1, is characterized in that: the lower end of described movable cone is provided with dustproof groove, and the dust-proof draw-in groove communicated with it is established in the lower end of dustproof groove, and the movable cone of dust-proof draw-in groove lower end is also provided with dust ring baffle ring; Be provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component comprises the dust proof tube be fixed on bearing block, and is set in the dust ring in outside of dust proof tube; The upper end of dust proof tube is in the dustproof groove of movable cone, and dust ring is positioned in the dust-proof draw-in groove of movable cone by dust ring baffle ring.
3. a kind of single casing gyratory crusher according to claim 2, it is characterized in that: the outer side surface of described frame is provided with middle part fuel feed hole, frame lower end is provided with oil return pipe, bearing block and dust proof tube all offer the middle part communicated successively and moistens oily passage, dust proof tube also offers and to moisten the first oil outlet and the second oil outlet that oily passage communicates with the middle part of its inside; Described middle part fuel feed hole moistens oily passage by oil pipe and middle part and communicates, and the first oil outlet and the second oil outlet are in above oil return pipe, and the first oil outlet is towards in eccentric bushing, and the second oil outlet is towards between eccentric bushing and bearing block.
4. a kind of single casing gyratory crusher according to claim 3, it is characterized in that: described hydraulic cylinder, piston and thrust plate locating piece are provided with the bottom communicated successively and moisten oily passage, the sidewall of hydraulic cylinder is also provided with the bottom fuel feed hole moistening oily passage with the bottom of its inside and communicate, thrust plate locating piece is provided with the 3rd oil outlet moistening oily passage with the bottom of its inside and communicate, 3rd oil outlet is in above oil return pipe, and the 3rd oil outlet is towards bearing assembly.
5. a kind of single casing gyratory crusher according to claim 1, it is characterized in that: the both ends of the surface up and down of middle thrust plate are interior concaved circular cambered surface, the lower surface of upper thrust plate and the upper surface of lower thrust plate are outer convex arc surface; The lower surface of middle thrust plate coordinates with the upper surface cambered surface of lower thrust plate and offsets, and the upper surface of middle thrust plate coordinates with the lower surface cambered surface of upper thrust plate and offsets.
6. a kind of single casing gyratory crusher according to claim 5, it is characterized in that: the both ends of the surface up and down of described middle thrust plate are shiny surface, the lower surface of upper thrust plate and the upper surface of lower thrust plate all offer Circumferential oil groove and many radial oil grooves, many radial oil grooves are centrally located rule and are arranged, and Circumferential oil groove all communicates with the radial oil groove of every bar.
7. a kind of single casing gyratory crusher according to claim 6, is characterized in that: the lower end of mantle main shaft group is fixed with main shaft end cap, and the middle part of main shaft end cap is protruded downwards; Upper thrust plate is bolted on spindle end and covers, and the central through hole of upper thrust plate is set on the protuberance of main shaft end cap.
8. a kind of single casing gyratory crusher according to claim 1, it is characterized in that: described transmission mechanism comprises driving axle box, and run through the power transmission shaft be arranged in driving axle box, and the transmission cone tooth be arranged on the inner end of power transmission shaft, and be arranged on the drive pulley on the outer end of power transmission shaft; The two ends of described driving axle box are equipped with the drive bearing for locating transmission axle, power transmission shaft is located in drive bearing, power transmission shaft outside drive bearing is arranged with the transmission axle collar, the two-port place of driving axle box is all fixed with the drive bearing end cap for positioning transmission bearing, is provided with oil sealing between drive bearing end cap and the transmission axle collar.
9. a kind of single casing gyratory crusher according to claim 8, it is characterized in that: described driving axle box is provided with axle box medium pipeline, unloads oilhole and gauge hatch, axle box medium pipeline runs through the upper end being arranged on driving axle box, unload the lower end that oilhole is opened in driving axle box, gauge hatch is opened in the side of driving axle box.
10. a kind of single casing gyratory crusher according to claim 8, is characterized in that: the bottom of described eccentric bushing is fixed with eccentric bushing cone tooth, and eccentric bushing cone tooth is bored tooth with the transmission on transmission mechanism and is meshed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869724.5U CN204365394U (en) | 2014-12-31 | 2014-12-31 | A kind of single casing gyratory crusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869724.5U CN204365394U (en) | 2014-12-31 | 2014-12-31 | A kind of single casing gyratory crusher |
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| CN204365394U true CN204365394U (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437728A (en) * | 2014-12-31 | 2015-03-25 | 浙江浙矿重工股份有限公司 | Single-cylinder type cone crusher |
-
2014
- 2014-12-31 CN CN201420869724.5U patent/CN204365394U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437728A (en) * | 2014-12-31 | 2015-03-25 | 浙江浙矿重工股份有限公司 | Single-cylinder type cone crusher |
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