CN104437725B

CN104437725B - A kind of hydraulic type spindle breaker

Info

Publication number: CN104437725B
Application number: CN201410849357.7A
Authority: CN
Inventors: 陈利华; 赵孟军; 李国强; 陈炳敏
Original assignee: Zhejiang Zhekuang Heavy Industry Co Ltd
Current assignee: Zhejiang mining heavy industry Co.,Ltd.
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2016-08-24
Anticipated expiration: 2034-12-31
Also published as: CN104437725A

Abstract

The present invention relates to mining equiment field, particularly relate to a kind of hydraulic type spindle breaker.A kind of hydraulic type spindle breaker, including support, and the driving motor that is arranged on support and frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame；Described driving motor drives eccentric stiffener by drive mechanism, 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 by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group；This gyratory crusher intensity is high, good stability and easy for installation.

Description

A kind of hydraulic type spindle breaker

Technical field

The present invention relates to mining equiment field, particularly relate to a kind of hydraulic type spindle breaker.

Background technology

Gyratory crusher is a kind of mining machinery for crushing building stones, and its critical piece includes frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame；Wherein, eccentric stiffener is connected with drive 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；Hydraulicefficiency elevation structure is in below the mantle main shaft group of gyratory crusher, in order to adjust the axial height of mantle main shaft group, changes crusher chamber size；Bearing assembly is arranged between hydraulicefficiency elevation structure and mantle main shaft group, both can axially support mantle main shaft, will not hinder again the circumferential swing of mantle main shaft.When equipment runs, building stones, by the charging aperture pan feeding above frame, are cooperated broken by mantle main shaft group with the cone of determining in frame in crusher chamber, and the building stones after crushing are by the discharging opening discharging of frame lower end.

But, existing gyratory crusher has some weak point following: 1, gyratory crusher is only equipped with the gantry base for load-bearing at present, and it is not equipped to install the motor cabinet driving motor, therefore bargh is when installing gyratory crusher, all can build a table top in its gantry base side, and be arranged on table top by driving motor, installation process is inconvenient for；2, charging aperture and the discharging opening of existing frame are the least, and the building stones flow causing gyratory crusher is little, affects the production efficiency of equipment；3, the eccentric bushing stability in eccentric stiffener is not enough, it is easy to the eccentric bush in axial dipole field, and eccentric bushing is rigidly connected with it, causes the abrasion between eccentric bush and mantle main shaft group relatively big, reduces the service life of equipment；4, mantle main shaft group bonding strength is inadequate, and mantle liner plate easily loosens, and there is potential safety hazard；5, 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；6, bearing assembly stability is not enough, and when mantle main shaft group swing excessive velocities, middle thrust plate is easily centrifugal to be departed from, and there is accident potential.

Therefore, it is badly in need of a gyratory crusher that can solve the problem that the problems referred to above.

Summary of the invention

In order to solve the problems referred to above, it is an object of the invention to provide a kind of hydraulic type spindle breaker, this gyratory crusher intensity is high, good stability and easy for installation.

In order to realize above-mentioned purpose, present invention employs following technical scheme:

A kind of hydraulic type spindle breaker, including support, and the driving motor that is arranged on support and frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame；Described driving motor drives eccentric stiffener by drive mechanism, 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 by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group；

Described support includes motor cabinet and gantry base；Gantry base is provided with dovetail groove, and for connecting two connecting portions of motor cabinet, two connecting portions are respectively in dovetail groove both sides, and motor cabinet is fastened on one of them connecting portion of gantry base；

Described frame includes lower framework and upper stand；Lower framework includes lower framework urceolus, lower framework inner core, transmission tube and four groups of support body dowels；Lower framework inner core is in the center of lower framework urceolus, and four groups of support body dowel rules are arranged between lower framework urceolus and lower framework inner core, are mutually perpendicular between two adjacent groups support body dowel, and constitutes the discharging opening for discharging；The inner end of described support body dowel is connected with the outer side surface one of lower framework inner core, and the outer end of support body dowel is connected with the interior sidewall surface one of lower framework urceolus；Transmission tube is integrally attached to the lower end of one of which support body dowel, and the inner of transmission tube communicates with the inner side of lower framework inner core, and the outer end of transmission tube communicates with the outside of lower framework urceolus；Described lower framework is arranged in gantry base, and the outer end of transmission tube is in the dovetail groove of gantry base；

Described upper stand includes the connector being arranged on lower framework, and is arranged on the body of feedstock above connector；It is provided with inside described connector and determines cone liner plate, body of feedstock includes body of feedstock urceolus, and it is in the main shaft footstock of body of feedstock urceolus center, and for connecting two frame arm of body of feedstock urceolus and main shaft footstock, the outer end of frame arm is connected with the interior sidewall surface one of body of feedstock urceolus, and the inner of frame arm is connected with the outer side surface one of main shaft footstock；Article two, frame arm is oppositely arranged along main shaft footstock, constitutes the charging aperture for pan feeding between two frame arm；

Described drive mechanism is arranged in the transmission tube of lower framework, and eccentric stiffener is connected with drive mechanism transmission；Eccentric stiffener includes the bearing block being arranged in lower framework inner core, and the eccentric bushing being arranged in bearing block, and the eccentric bush being arranged 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 additionally provided with bearing spacer ring between upper location bearing and lower location bearing；Described eccentric bushing is integrally connected and composed by bottom the positive heart, in the middle part of bias and eccentric top the most successively, the diameter of eccentric top outer wall, and the diameter of positive heart bottom outside wall is respectively less than the diameter of outer side surface in the middle part of bias；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 equivalently-sized and being coaxially disposed, the interior side through hole composition bushing mounting holes above step surface；Bottom the positive heart of described eccentric bushing, location and installation is in the bearing of lower location, eccentric top location and installation is in the bearing of upper location, in the middle part of bias, 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 includes main shaft, and is set in the movable cone outside main shaft, and coning sleeve is located at the mantle liner plate outside movable cone, and main shaft bottom location and installation is in eccentric bush, and main shaft upper end location and installation is in main shaft footstock；Constituting crusher chamber between mantle liner plate and surely cone liner plate, charging aperture, crusher chamber and discharging opening are sequentially communicated from top to bottom；

Described hydraulicefficiency elevation structure includes hydraulic cylinder, and is arranged on the piston that hydraulic cylinder is interior and is axially movable, and is fixed on the cylinder body bottom at hydraulic cylinder lower ending opening；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 it is provided with between described piston and hydraulic cylinder upper end, lower guidance tape and the folded envelope of V-arrangement it is provided with between piston and hydraulic cylinder bottom, 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 downwardly projecting, and piston is arranged with the piston gland folding envelope for positioning V-arrangement along its protuberance, is 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 includes the upper thrust plate being fixed on mantle main shaft group bottom, and it is fixed on lower thrust plate and the thrust plate locating piece of piston upper surface, and the middle thrust plate between thrust plate and lower thrust plate is set, the lower surface of middle thrust plate offsets with the upper surface of lower thrust plate, and the upper surface of middle thrust plate offsets with the lower surface of upper thrust plate；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, described motor cabinet includes motor cabinet main body, and is arranged on the motor slide rail in motor cabinet main body, and installs the electric machine spacing device of station for regulating motor；Described motor slide rail includes slide rail base plate and two blocks of slide rail side plates, the lower end of two blocks of slide rail side plates is integrally attached to the both sides of slide rail base plate respectively, constituting the sliding-rail groove arranged along motor slide rail length direction between slide rail base plate and two blocks of slide rail side plates, the orbital direction of sliding-rail groove is towards the dovetail groove in gantry base；Described electric machine spacing device includes the limited block being slidably arranged on dovetail groove, and for propping up the cushion block driven at motor side angle, and for connecting the caging bolt of limited block and cushion block, and for fixing the alignment pin of limited block, the upper end of limited block is the slip dop being erected on motor slide rail, and the bottom of limited block is grab；On described slide rail side plate, rule is provided with multiple slide rail positioning through hole, and the grab of limited block is connected on slide rail positioning through hole by alignment pin.

As preferably, the upper end of the support body dowel on described lower framework is provided with muscle backplate, and transmission tube is arranged above transmission tube protective plate；Frame arm upper end in upper stand is provided with boom protective plate, and the interior sidewall surface of body of feedstock urceolus is additionally provided with abrasion-resistant lining plate, and the upper end of main shaft footstock is provided with top cover；Described top cover is integrally connected and composed by flange in the bottom, midfoot support plate and top board the most successively, midfoot support plate is the ring body enclosing closing, the midfoot support plate all inwardly bending that each bolt hole on flange in the bottom is other, the upper surface of top board is provided with top board flange upwards along its edge, and the end face of top board flange is provided with wear-resisting layer.During gyratory crusher work, a large amount of building stones are entered by the charging aperture of upper stand, by the discharging opening discharging of lower framework after broken；In the process, building stones can produce impact, abrasion to frame, is therefore equipped with protective plate or wear strip on the critical piece of frame, in order to avoid frame to be worn and torn by building stones, and the service life of lift carriage, it is ensured that the safety in production of equipment.And wherein, the midfoot support plate of top cover all curves inwardly along each bolt hole on flange in the bottom, do not hinder bolted in the case of improve the intensity of top cover；The wear-resisting layer of top cover is used for preventing top board flange from wearing and tearing, and the top board end face between top board flange then can accumulate the sandstone in building stones, earth, thus plays the effect protecting its body, therefore need not at the wear-resisting layer of its surface configuration.

As preferably, surely boring outside the upper end of liner plate and constitute between the interior sidewall surface of connector and determine cone groove for filling epoxy resin, the bottom surely boring liner plate is connected with connector lower end by Ding Zhui bindiny mechanism；Described Ding Zhui bindiny mechanism includes determining the bolt of cone liner plate and connector, nut for connecting, and for the disk spring of damping, spring fairlead and plain washer；Described screw bolt passes bores liner plate and connector surely, and spring fairlead and plain washer positioning sleeve the most successively are located on bolt by nut；Disk spring is set on spring fairlead, and the bottom of disk spring offsets with plain washer.This structure makes to determine cone liner plate upper end by epoxy resin and flexibly connects with connector, and Ding Zhui bindiny mechanism makes the bottom determining cone liner plate flexibly connect with connector, and the disk spring in Ding Zhui bindiny mechanism has damping effect；Flexibly connected by upper and lower two ends, promote the shock strength of connector, extend its service life.

As preferably, closely offset between lower end inside face and the lower end outside face of movable cone of mantle liner plate, the mantle groove for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone of mantle liner plate, threaded on main shaft above movable cone have locking nut, and locking nut axially positions mantle liner plate.Between mantle liner plate and movable cone, employing tapering is sheathed, epoxy resin pastes and the three kinds of connected modes in locking nut location are connected, thus is limited mantle liner plate by axial and circumferential respectively, makes mantle liner plate be connected firmly, good stability.

As preferably, the lower end of described movable cone is provided with dustproof groove, and the lower end of dustproof groove sets the dust-proof draw-in groove communicated therewith, and the movable cone of dust-proof draw-in groove lower end is additionally provided with dust ring baffle ring；Being provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component includes the dust proof tube being fixed on bearing block, and is set in the dust ring in the 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 be introduced in eccentric stiffener in the process, it is ensured that 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 on oil return pipe, bearing block and dust proof tube and all offers the middle part profit oil passage being sequentially communicated, and dust proof tube is further opened with the first oil outlet and the second oil outlet that the middle part profit oil passage internal with it communicates；Described middle part fuel feed hole is communicated by oil pipe and middle part profit oil passage, 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 used for lubricating eccentric stiffener；During work, oil pump station outside equipment injects lubricating oil to middle part fuel feed hole, lubricating oil by oil pipe flow in the middle part of profit oil passage, 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 after lubricating eccentric stiffener, and is back to oil pump station by oil return pipe, thus forms oil circuit, eccentric stiffener can be circulated sufficient lubrication.

As preferably, described hydraulic cylinder, piston and thrust plate locating piece are provided with the bottom profit oil passage being sequentially communicated, the bottom fuel feed hole that the bottom profit oil passage internal with it communicates it is additionally provided with on the sidewall of hydraulic cylinder, thrust plate locating piece is provided with the 3rd oil outlet that the bottom profit oil passage internal with it communicates, 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 used for lubricating bearing assembly；During work, the oil pump station outside equipment injects lubricating oil to bottom fuel feed hole, and lubricating oil by bottom profit oil passage and is finally sprayed by the 3rd oil outlet on thrust plate locating piece, and the lubricating oil of the 3rd oil outlet ejection is used for lubricating bearing assembly；Lubricating oil confluxes in frame lower end after lubricating bearing assembly, and is back to oil pump station by oil return pipe, thus forms oil circuit, bearing assembly can be circulated sufficient lubrication.

As preferably, 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 and 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 in, 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, all offering Circumferential oil groove and a plurality of radial direction oil groove on the lower surface of upper thrust plate and the upper surface of lower thrust plate, a plurality of radial direction oil groove is arranged along center rule, and Circumferential oil groove all communicates with every radial direction oil groove；Offer oil groove on upper thrust plate and lower thrust plate, add the oil storage capacity of bearing assembly, strengthen lubricant effect, thus further reduce the resistance between thrust plate.

The present invention uses technique scheme, and this gyratory crusher has some advantage following: 1, and gantry base is used for installation frame, and the transmission tube of lower framework is arranged on the dovetail groove in gantry base, it is simple to location and installation；Gantry base side is provided with motor cabinet, can be fastened on by motor cabinet on one of them connecting portion according to concrete installation environment and requirement during use, and adaptability is good；2, using four groups of support body dowels in lower framework is that cross connects arrangement, and between support body dowel with lower framework urceolus, lower framework inner core, one is connected；Use minimum support body dowel quantity to maintain the intensity of gyratory crusher lower framework, thus increase lower framework discharging opening size；Body of feedstock in upper stand uses two frame arm to connect body of feedstock urceolus and main shaft footstock, thus increases the feed gap dimension of upper stand；Eventually through expanding the charging aperture of gyratory crusher, discharging opening size, increase the building stones flow of gyratory crusher, promote the crushing efficiency of gyratory crusher；3, eccentric bushing is arranged in bearing block by upper location bearing and lower location bearing, and not only axial restraint eccentric bushing also stablizes the circumferential stress of the upper and lower both sides of eccentric bushing；Eccentric bush is arranged in eccentric bushing, and eccentric bush lower end frame is located on step surface, contacts connection, non-rigid connection between eccentric bush with eccentric bushing；Thus eccentric bush only can produce to deflect without and rotate coaxially with eccentric bushing, thus reduce the abrasion between eccentric bush and mantle main shaft group, extend the service life of equipment；4, between mantle liner plate and movable cone, employing tapering is sheathed, epoxy resin pastes and the three kinds of connected modes in locking nut location are connected, thus is limited mantle liner plate by axial and circumferential respectively, makes mantle liner plate be connected firmly, good stability；5, V-arrangement between piston and hydraulic cylinder folded envelope V-arrangement is opening down, i.e. V-arrangement folds the V-arrangement opening of envelope towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open, so that V-arrangement folded envelope interference is arranged between hydraulic cylinder and piston, better tightness；And the lower surface higher than piston protuberance, the piston gland lower surface of envelope is folded for positioning V-arrangement, piston gland will not connect with cylinder body bottom, under this structure, the bolt of fixed piston gland will not twist off due to deflection, it is connected firmly between piston gland and piston, it is ensured that the hydraulicefficiency elevation structure sealing of gyratory crusher；6, 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 mantle main shaft group swing, and thrust plate swing together in driving, and middle thrust plate cannot be centrifuged disengaging during swing, it is ensured that equipment properly functioning, promotes swing speed for equipment further and lays a good foundation.

Accompanying drawing explanation

Fig. 1 is the perspective view of the present invention.

Fig. 2 is the structural representation of support.

Fig. 3 is the structural representation of motor cabinet.

Fig. 4 is the perspective view of lower framework.

Fig. 5 is the side sectional view of Fig. 4.

Fig. 6 is the internal view of gyratory crusher.

Fig. 7 is the A portion enlarged drawing of Fig. 6.

Fig. 8 is the B portion enlarged drawing of Fig. 6.

Fig. 9 is the C portion enlarged drawing of Fig. 6.

Figure 10 is the structural representation of drive mechanism.

Figure 11 is the structural representation of mantle main shaft group.

Figure 12 is cap structure schematic diagram.

Figure 13 is the sectional view of eccentric bushing.

Figure 14 is the structural representation of upper thrust plate.

Detailed description of the invention

Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.

A kind of hydraulic type spindle breaker as shown in Fig. 1 ~ Figure 14, including support, and the driving motor 11 that is arranged on support and frame, and drive mechanism 6, eccentric stiffener 5, hydraulicefficiency elevation structure 7, mantle main shaft group 3 and the bearing assembly 4 being arranged in frame.Described driving motor 11 drives eccentric stiffener 5 by drive mechanism 6, 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 by bearing assembly 4 between hydraulicefficiency elevation structure 7 with mantle main shaft group 3.

Herein below carries out segmentation detailed description to all parts of gyratory crusher:

Support

Described support, including the motor cabinet for installing driving motor 11, and the gantry base 16 for installation frame.

Motor cabinet main body 12 that motor cabinet includes lower end and the two pieces of slide rail backing plates 13 being arranged in motor cabinet main body 12, and two motor slide rails 14 being arranged on two pieces of slide rail backing plates 13；Being provided with motor cabinet supporting leg 121 below described motor cabinet main body 12, motor cabinet supporting leg 121 sets the spring support of rubber spring in being, play the effect of bumper and absorbing shock.Described two pieces of slide rail backing plates 13 are parallel to each other on the upper surface being fixed on motor cabinet main body 12, slide rail backing plate 13 along its length on offer bar-shaped trough；Article two, motor slide rail 14 is set in parallel on the upper surface of two slide rail backing plates 13, motor slide rail 14 towards with slide rail backing plate 13 towards perpendicular.Motor slide rail 14 includes slide rail base plate 141 and two blocks of slide rail side plates 142, and slide rail base plate 141 is provided with the bolt hole being used as to be connected with slide rail backing plate 13, and both sides, middle part all rules of two blocks of slide rail side plates 142 are provided with multiple slide rail positioning through hole；The lower end of described two blocks of slide rail side plates 142 is integrally attached to the both sides of slide rail base plate 141 respectively, constitutes the sliding-rail groove 143 arranged along motor slide rail 14 length direction between slide rail base plate 141 and two blocks of slide rail side plates 142.All it is oppositely arranged a pair electric machine spacing device on described every motor slide rail 14, constitutes motor between four electric machine spacing devices and station is installed；Electric machine spacing device includes the limited block 151 being slidably arranged in sliding-rail groove 143, and for propping up the cushion block 152 driven at motor 11 end angle, and for connecting the caging bolt 153 of limited block 151 and cushion block 152, and for fixing the alignment pin 154 of limited block 151；The upper end of limited block 151 is the slip dop 151a for being erected on two blocks of slide rail side plates 142, the lower end of limited block 151 is the grab 151b matched with slide rail positioning through hole, and alignment pin 154 for being connected to the slide rail positioning through hole of its both sides by the grab 151b of limited block 151.During installation, motor slide rail 14 is fixed on slide rail backing plate 13 by bolt, nut, the bolt hole on screw bolt passes slide rail base plate 141, and the bar-shaped trough on slide rail backing plate 13, and motor slide rail 14 can regulate along bar-shaped trough direction；Drive motor 11 to be vertically fixed in the sliding-rail groove 143 of motor slide rail 14 by bolt, nut, to driving motor 11 to apply transverse pressure after electric machine spacing device slidable adjustment, be limited in motor and install in station.

The rectangular in cross-section ring body of described gantry base 16, it is equipped with the base connecting plate 161 for being connected with frame on four end angles of gantry base 16, it is provided with end angle below base connecting plate 161 and strengthens gusset 162, end angle is strengthened gusset 162 and is arranged in four end angles of gantry base 16 internal ring, is mainly used in strengthening the bonding strength at gantry base 16 4 end angle.Four end lower ends, angle of described gantry base 16 are equipped with base supporting leg 163, and base supporting leg 163 sets the spring support of rubber spring in being generally, play the effect of bumper and absorbing shock.Ring body one end of gantry base 16 is provided with dovetail groove 164, and the ring body lower surface below dovetail groove 164 is provided with the reinforcement platform 165 being connected as a single entity with it, and the lower surface strengthening platform 165 is not less than the lower surface of base supporting leg 163.The ring body side of described gantry base 16 is additionally provided with the connecting portion 166 being used as to be connected with motor cabinet, connecting portion 166 is preferably two, and it is respectively in dovetail groove 164 both sides, during installation, one end of motor cabinet is bolted on the connecting portion 166 of gantry base 16, and one of them connecting portion 166 can be selected according to concrete installation environment and requirement, adaptability is good；When motor cabinet is connected with gantry base 16 fixing, drive motor 11 to need the output shaft driving motor 11 when being arranged on motor cabinet and be arranged on dovetail groove 164 side.

Frame

Frame includes lower framework 21 and upper stand.

Described lower framework 21 includes lower framework urceolus 211, and is arranged on the lower framework inner core 212 of lower framework urceolus 211 center, and for connecting four groups of support body dowels 213 of lower framework urceolus 211 and lower framework inner core 212.Offering observation port on the sidewall of described lower framework urceolus 211, the port, outer end of observation port is provided with observation port baffle plate；The lower end of lower framework urceolus 211 is provided with the connecting bottom board 211a for connection frame base, and the lateral profile of connecting bottom board 211a is rectangular, is equipped with reinforcement gusset 211b between outer side surface and four end angles of connecting bottom board 211a of lower framework urceolus 211.The sleeve shaped that described lower framework inner core 212 is big in upper end diameter, lower end diameter is little, the two ends up and down of lower framework inner core 212 communicate.Four groups of support body dowel 213 rules are arranged between lower framework urceolus 211 and lower framework inner core 212, the inner end of support body dowel 213 is connected with the outer side surface one of lower framework inner core 212, and the outer end of support body dowel 213 is connected with the interior sidewall surface one of lower framework urceolus 211；It is mutually perpendicular between two groups of adjacent support body dowels 213, and constitutes the discharging opening 91 for discharging；During equipment work, a large amount of building stones so that arrange muscle backplate 213a in the upper end often organizing support body dowel 213, can be used for preventing support body dowel 213 from being worn and torn by building stones by building stones collision, abrasion by discharging opening 91 discharging, support body dowel 213.One of which support body dowel 213 lower end of described lower framework 21 is additionally provided with the transmission tube 215 being connected with its one, and the inner of transmission tube 215 communicates with the inner side of lower framework inner core 212, and the outer end of transmission tube 215 communicates with the outside of lower framework urceolus 211；Transmission tube 215 is arranged above transmission tube protective plate 215a, is used for preventing transmission tube 215 by building stones collision, abrasion, and the lower surface of transmission tube 215 is provided with Butterworth Hatch and door-plate thereof, for cleaning inside transmission tube 215 when installing drive mechanism；During installation, lower framework 21 is arranged in gantry base 16, and the outer end of transmission tube 215 is in the dovetail groove 164 of gantry base.

Described upper stand includes the connector 22 being in downside and is in the body of feedstock 23 of upside, on the lower surface Matching installation of connector 22 upper surface on lower framework urceolus 211, is provided with and determines cone liner plate 24 inside connector 22.The described liner plate 24 of cone surely is the hollow vertebral body matched with the interior sidewall surface of connector 22, surely the upper end medial surface of cone liner plate 24 is provided with buffering step, the effect of buffering step is to buffer building stones, surely the medial surface of cone liner plate 24 bottom is arc surface, and the effect of arc surface is in order to after making building stones broken, shape is more regular.Constituting outside the upper end of the described liner plate 24 of cone surely and between the interior sidewall surface of connector 22 and determine cone groove 25 for filling epoxy resin, the bottom of cone liner plate 24 is connected with connector 22 lower end by Ding Zhui bindiny mechanism surely；Described Ding Zhui bindiny mechanism includes bolt, nut and disk spring 261, spring fairlead 262 and plain washer 263, during installation, surely pasted fixing between cone liner plate 24 and connector 22 upper end by epoxy resin, it is a kind of mode flexibly connected that epoxy resin is pasted, and has the effect of anti-fastening cone liner plate circumferential deflection.Surely it is connected fixing between cone liner plate 24 and connector 22 lower end by Ding Zhui bindiny mechanism, specifically bolt passes sequentially through and determines cone liner plate 24 and connector 22, spring fairlead 262 and plain washer 263 are sequentially fixed on bolt by nut from outside to inside, disk spring 261 is set on spring fairlead 262, and the bottom of disk spring 261 offsets with plain washer 263.Ding Zhui bindiny mechanism then can reduce building stones when crushing, the relative vibration between cone liner plate 24 and connector 22 surely, thus adds strong ties.

The lower surface Matching installation of described body of feedstock 23 is on the upper surface of connector 22, body of feedstock 23 includes body of feedstock urceolus 231, and be in the main shaft footstock 232 of body of feedstock urceolus 231 center, and for connecting two frame arm 233 of body of feedstock urceolus 231 and main shaft footstock 232；Article two, frame arm 233 is oppositely arranged along main shaft footstock 232, and the inner of frame arm 233 is connected with the outer side surface one of main shaft footstock 232, and the outer end of frame arm 233 is connected with the interior sidewall surface one of body of feedstock urceolus 231.Described frame arm 233 upper end is provided with boom protective plate 234, and the inside of frame arm 233 is provided with frame arm groove 235, and the outer end opening of frame arm groove 235 is opened on the side of body of feedstock urceolus 231；Article two, the composition between frame arm 233 is for the charging aperture 92 of pan feeding, charging aperture 92 is arranged over feed hopper 27, feed hopper 27 is cylindrical, and the lower surface of feed hopper 27 is fixed on the upper surface of body of feedstock urceolus 231, and the interior sidewall surface of body of feedstock urceolus 231 is additionally provided with abrasion-resistant lining plate 236.The upper end of described main shaft footstock 232 is provided with top cover 28 and closes, and top cover 28 is integrally connected and composed by flange in the bottom 281, midfoot support plate 282 and top board 283 the most successively；Midfoot support plate 282 is the ring body enclosing closing, the midfoot support plate 282 all inwardly bending that each bolt hole on flange in the bottom 281 is other；The upper surface of top board 283 is provided with top board flange 284 upwards along its edge, and the end face of top board flange 284 is provided with a wear-resisting layer of circle.When whole equipment runs, building stones to be broken are entered frame by charging aperture 92, and body of feedstock urceolus 231, frame arm 233 and top cover 28 can be impacted by building stones during pan feeding, abrasion-resistant lining plate is used for preventing body of feedstock urceolus from being worn and torn by building stones, boom protective plate 234 is used for preventing frame arm 233 from wearing and tearing, and top cover is used for preventing main shaft footstock from wearing and tearing；By the anti-wear protection for body of feedstock all parts, promote the service life of body of feedstock, and ensure the safety in production of equipment.And wherein, the midfoot support plate of top cover all curves inwardly along each bolt hole on flange in the bottom, do not hinder bolted in the case of improve the intensity of top cover；The wear-resisting layer of top board flange 284 is used for preventing top board flange 284 from wearing and tearing, and top board 283 end face between top board flange 284 then can accumulate the sandstone in building stones, earth, thus plays the effect protecting its body, therefore need not at the wear-resisting layer of its surface configuration.

Drive mechanism

Described drive mechanism 6 includes driving axle box 61, and runs through the power transmission shaft 62 being arranged in driving axle box 61, and is arranged on the drive pulley 63 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, it is arranged with power transmission shaft ring 66 on power transmission shaft 62 outside drive bearing 65, 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 power transmission shaft ring 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 by belt wheel tapered sleeve interference fit, improve its bonding strength between drive pulley 63 and power transmission shaft 62.

During installation, described driving axle box 61 is arranged in the transmission tube 215 of lower framework 21, the transmission cone tooth 64 of power transmission shaft 62 the inner is in the lower framework inner core 212 of lower framework 21, the drive pulley 63 of power transmission shaft 62 outer end is in outside lower framework 21, and drive pulley 63 is passed through belt drive by driving motor.Driving axle box 61 outside lower framework 21 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 oilhole 612 and be opened in the lower end of driving axle box 61, for the failed lubricating oil within driving axle box 61 is discharged；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 for manually adding lubricating oil in driving axle box 61, only needs periodic replacement as oil inlet pipe after the interior oiling of driving axle box 61；During routine use, axle box medium pipeline 611 is as breather, and the effect of external atmospheric pressure in having heat radiation and balancing driving axle box 61, during use, needs are in its port plus air filter, prevent the impurity in outside air from entering in driving axle box 61.

Eccentric stiffener

Described eccentric stiffener 5 includes bearing block 51, eccentric bushing 52 and eccentric bush 53, bearing block 51 inner top side is provided with location bearing 54, the top bearing cover 541 that is arranged over of upper location bearing 54 positions, top bearing cover 541 is fixed on the upper end of eccentric bushing 52, and top bearing cover 541 is also arranged above the eccentricity balance-weight block 59 for stable eccentric bushing 52；Bearing block 51 inside lower end is provided with lower location bearing 55, and the lower section 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 is integrally connected and composed by bottom the positive heart 521, in the middle part of bias 522 and eccentric top 523 the most successively, bottom the positive heart, 521 are in lower location bearing 55, eccentric top 523 is in location bearing 54, and in the middle part of bias, 522 are in bearing spacer ring 56.In the middle part of the bias of described eccentric bushing 52 522 and eccentric top 523 all column annulars in width gradual change, in the middle part of bias, the diameter of 522 outer side surfaces is more 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 of 522 in the middle part of bias, bottom the positive heart, the interior sidewall surface of 521 is provided with step surface 521a, the interior side through hole of 522 and interior side through hole equivalently-sized at eccentric top 523 and be coaxially disposed in the middle part of side through hole and bias in 521 bottom the positive heart above step surface 521a, and the interior side through hole above step surface 521a constitutes the bushing mounting holes 58 for 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.During installation, bearing block 51 is arranged in the lower framework inner core 212 of lower framework 21, eccentric bushing cone tooth 57 it is fixed with on the bottom of eccentric bushing 52, eccentric bushing cone tooth 57 is bored tooth 64 with the transmission on drive mechanism and is meshed, drive mechanism drives eccentric bushing 52 to rotate and drives its internal eccentric bush 53 and mantle main shaft group 3, and finally makes mantle main shaft group 3 do swing campaign.

Mantle main shaft group

Described mantle main shaft group 3 includes 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, main shaft upper end by oscillating bearing or collar bush location and installation in main shaft footstock in 232；Under this structure, the two ends up and down of mantle main shaft group are all positioned, and eccentric stiffener only need to drive mantle main shaft group, and need not prevent mantle main shaft group from toppling over, and therefore the eccentric stiffener size under this structure can be greatly reduced, and simplify device structure, save equipment cost.When equipment runs, centered by mantle main shaft group mantle main shaft group top in main shaft footstock, carry out swing rotation, mantle main shaft group swing amplitude stabilization with eccentric stiffener for track, it is simple to control the granular size of broken rear building stones.

The mid diameter of described main shaft 31 is more than its two ends diameter, movable cone 32 taper type that little lower end diameter is big in upper end diameter, is provided with spindle hole at the axle center of movable cone 32, 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 lower end of dustproof groove 321 sets the dust-proof draw-in groove 322 communicated therewith, and the movable cone 32 of dust-proof draw-in groove 322 lower end is additionally provided with dust ring baffle ring 323.It is provided with main shaft dust preventing component between described movable cone 32 and eccentric stiffener 5, main shaft dust preventing component includes the dust proof tube 34 that lower end is fixed on eccentric stiffener 5, and it is set in the dust ring 35 outside dust proof tube 34, the torus that wherein dust ring 35 is made up of wear resistant nylon, 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.During ferrum crossed by 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 be introduced in eccentric stiffener in the process.Gear outermost layer of skin circle 36 it is additionally provided with at described dust proof tube 34 upper end open, 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 lubricating oil in preventing eccentric stiffener is dished out at the upper end open of dust proof tube, also has certain dust-proof effect simultaneously.

Mantle liner plate 33 is set in the outside of movable cone 32, closely offset between lower end inside face and the lower end outside face of movable cone 32 of mantle liner plate 33, the mantle groove 37 for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone 32 of mantle liner plate 33, the most threaded on main shaft above movable cone 32 have 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, limit mantle liner plate 33 and down slide；Filling epoxy resin in mantle groove 37 between mantle liner plate 33 and movable cone 32, limits the slip in mantle liner plate 33 circumference；Locking nut 38 pushes down the upper surface of mantle liner plate 33 by cut ring 39, limits mantle liner plate 33 and up slides；Above-mentioned three kinds of connections are used to make to be connected firmly between mantle liner plate 33 and movable cone 32, will not occur relatively to slide, and cut ring 39 can be cut off when mantle liner plate 33 changed by needs, back out locking nut 38, tapping mantle liner plate 33 makes itself and movable cone 32 loosen, and takes off from main shaft 31 upper end.

Constituting the crusher chamber 93 for crushing building stones between described mantle liner plate 33 and surely cone liner plate 24, the top of crusher chamber 93 communicates with charging aperture 92, and lower section communicates with discharging opening 91；The lower end outside face of mantle liner plate 33 matches with cone liner plate 24 lower end arc surface surely, and constitutes the minimum accent in crusher chamber 93 between both ends of the surface, is also the broken mouth for crushing building stones；During work, building stones are entered in crusher chamber 93 by the charging aperture 92 of upper stand, building stones in crusher chamber 93 by mantle liner plate 33 and swing attrition crushing between cone liner plate 24 surely, broken after building stones by discharging opening 91 discharging of lower framework 21.

Hydraulicefficiency elevation structure

Described hydraulicefficiency elevation structure 7 includes hydraulic cylinder 71, and be located at hydraulic cylinder 71 and can slide up and down piston 72, and it is fixed on the cylinder body bottom 73 at hydraulic cylinder 71 lower ending opening, 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, and hydraulic oil unit controls piston 72 lower end hydraulic pressure oil level, thus promotes piston 72 to move axially, and then changes the height of mantle main shaft group, adjusts crusher chamber size.Additionally, be provided with the displacement transducer 74 for detecting piston 72 position at the inside center of cylinder body bottom 73, displacement transducer 74 is connected with middle control computer, thus is controlled the crusher chamber size of gyratory crusher by middle control computer.

Being sequentially provided with guidance tape 75 and O-ring seals 76 between described piston 72 and hydraulic cylinder 71 upper end from top to bottom, upper guidance tape 75 and O-ring seals 76 are each provided on hydraulic cylinder 71；Being sequentially provided with lower guidance tape 77 from top to bottom 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 for the relative movement between guide piston and hydraulic cylinder, and are possible to prevent piston directly to contact with hydraulic cylinder, wear and tear；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 V-arrangement that V-arrangement folds envelope 78 is opening down, i.e. V-arrangement opening towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open seal 78 interference be arranged between hydraulic cylinder 71 and piston 72 so that V-arrangement be folded, better tightness.

The middle part of described piston 72 lower end is downwardly projecting, its protuberance 721 of piston 72 lower end edge is arranged with piston gland 79, piston gland 79 folds envelope 78 for positioning the V-arrangement between piston 72 and hydraulic cylinder 71, being bolted between piston gland 79 and piston 72, the lower surface of piston gland 79 is higher than the lower surface of protuberance 721；I.e. 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 will not its frictional force deflected hindered；The most under this structure, the bolt of fixed piston gland typically will not be twisted off, and is connected firmly between piston gland and piston, so that it is guaranteed that 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 includes the upper thrust plate 41 being fixed on mantle main shaft group 3 bottom, and be fixed on the lower thrust plate 42 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 downwardly projecting, 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 mantle main shaft group swing, and thrust plate swing together in driving, and middle thrust plate will not be due to the too fast and centrifugal disengaging of swing, it is ensured that equipment properly functioning, promotes swing speed for equipment further and lays a good foundation.

The both ends of the surface up and down of middle thrust plate 44 are interior concaved circular cambered surface, and the thickness as outside of i.e. middle thrust plate 44 is more than the inner thickness of middle push pedal；The lower surface of upper thrust plate 41 is in the outer convex arc surface matched with the upper surface of middle push pedal, the upper surface of lower thrust plate 42 is in the outer convex arc surface matched with the lower surface of middle push pedal, between upper thrust plate 41, middle thrust plate 44 and lower thrust plate 42, cambered surface coordinates composition, thus middle thrust plate 44 is positioned in, 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, Circumferential oil groove 4a and a plurality of radial direction oil groove 4b is all offered on the lower surface of upper thrust plate 41 and the upper surface of lower thrust plate 42, a plurality of radial direction oil groove 4b is arranged along center rule, Circumferential oil groove 4a all communicates with each radial direction oil groove 4b, radially 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 inner of one frame arm 233 of described upper stand is additionally provided with top profit oil passage 81, the profit oil outer end of passage 81, top communicates with the inner end of frame arm groove 235, the top profit oil inner end of passage 81 communicates with the inner side of main shaft footstock 232, top profit oil passage 81 is the top oil circuit of this equipment, for oscillating bearing or the collar bush of lubricating spindle 31 upper end, on-demand supply lubrication butter during use.

The outer side surface of lower framework is provided with middle part fuel feed hole 82, and frame lower end is provided with oil return pipe 214；All offering the middle part profit oil passage 83 being sequentially communicated on bearing block and dust proof tube, middle part fuel feed hole 82 is communicated with middle part profit oil passage 83 by oil pipe.The first oil outlet 84 and the second oil outlet 85 that the middle part profit oil passage 83 internal with it communicates it is further opened with on dust proof tube；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 by oil pipe flow in the middle part of profit oil passage 83, sprayed by the first oil outlet 84 on dust proof tube and the second oil outlet 85, the lubricating oil of the first oil outlet 84 ejection is for lubricating the bearing in eccentric bushing, the lubricating oil of the second oil outlet 85 ejection is for lubricating the bearing between eccentric bushing and bearing block, lubricating oil confluxes in frame lower end after being lubricated parts, and be back to oil pump station by oil return pipe 214, thus form loop；Under this lubrication circuit, the bearing within eccentric stiffener 5 is sufficiently lubricated.

Described hydraulic cylinder 71, piston 72 and thrust plate locating piece 43 are provided with the bottom profit oil passage 86 being sequentially communicated, the bottom fuel feed hole 87 that the bottom profit oil passage 86 internal with it communicates it is additionally provided with on the sidewall of hydraulic cylinder 71, thrust plate locating piece 43 is provided with the 3rd oil outlet 88 that the bottom profit oil passage 86 internal with it communicates, 3rd oil outlet 88 is in above oil return pipe 214, and the 3rd oil outlet 88 is towards bearing assembly.During equipment work, the oil pump station outside equipment injects lubricating oil to bottom fuel feed hole 87, and lubricating oil by bottom profit oil passage 86 and is finally sprayed by the 3rd oil outlet 88 on thrust plate locating piece 43, and the lubricating oil of the 3rd oil outlet 88 ejection is used for lubricating bearing assembly；Lubricating oil confluxes in frame lower end after being lubricated bearing assembly, and is back to oil pump station by oil return pipe 214；Under this lubrication circuit, bearing assembly is sufficiently lubricated.Summary two lubrication circuit, can circulate lubrication to eccentric stiffener 5 and bearing assembly 4, can effectively prevent the phenomenons such as main shaft locking.

In sum, this gyratory crusher has some advantage following: 1, and gantry base is used for installation frame, and the transmission tube of lower framework is arranged on the dovetail groove in gantry base, it is simple to location and installation；Gantry base side is provided with motor cabinet, can be fastened on by motor cabinet on one of them connecting portion according to concrete installation environment and requirement during use, and adaptability is good；2, using four groups of support body dowels in lower framework is that cross connects arrangement, and between support body dowel with lower framework urceolus, lower framework inner core, one is connected；Use minimum support body dowel quantity to maintain the intensity of gyratory crusher lower framework, thus increase lower framework discharging opening size；Body of feedstock in upper stand uses two frame arm to connect body of feedstock urceolus and main shaft footstock, thus increases the feed gap dimension of upper stand；Eventually through expanding the charging aperture of gyratory crusher, discharging opening size, increase the building stones flow of gyratory crusher, promote the crushing efficiency of gyratory crusher；3, eccentric bushing is arranged in bearing block by upper location bearing and lower location bearing, and not only axial restraint eccentric bushing also stablizes the circumferential stress of the upper and lower both sides of eccentric bushing；Eccentric bush is arranged in eccentric bushing, and eccentric bush lower end frame is located on step surface, contacts connection, non-rigid connection between eccentric bush with eccentric bushing；Thus eccentric bush only can produce to deflect without and rotate coaxially with eccentric bushing, thus reduce the abrasion between eccentric bush and mantle main shaft group, extend the service life of equipment；4, between mantle liner plate and movable cone, employing tapering is sheathed, epoxy resin pastes and the three kinds of connected modes in locking nut location are connected, thus is limited mantle liner plate by axial and circumferential respectively, makes mantle liner plate be connected firmly, good stability；5, V-arrangement between piston and hydraulic cylinder folded envelope V-arrangement is opening down, i.e. V-arrangement folds the V-arrangement opening of envelope towards hydraulic oil, under the effect of hydraulic oil V-arrangement opening can extended, open, so that V-arrangement folded envelope interference is arranged between hydraulic cylinder and piston, better tightness；And the lower surface higher than piston protuberance, the piston gland lower surface of envelope is folded for positioning V-arrangement, piston gland will not connect with cylinder body bottom, under this structure, the bolt of fixed piston gland will not twist off due to deflection, it is connected firmly between piston gland and piston, it is ensured that the hydraulicefficiency elevation structure sealing of gyratory crusher；6, 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 mantle main shaft group swing, and thrust plate swing together in driving, and middle thrust plate cannot be centrifuged disengaging during swing, it is ensured that equipment properly functioning, promotes swing speed for equipment further and lays a good foundation.

Claims

1. a hydraulic type spindle breaker, including support, and the driving motor that is arranged on support and frame, and drive mechanism, eccentric stiffener, hydraulicefficiency elevation structure, mantle main shaft group and the bearing assembly being arranged in frame；Described driving motor drives eccentric stiffener by drive mechanism, 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 by bearing assembly between hydraulicefficiency elevation structure with mantle main shaft group；It is characterized in that:

A kind of hydraulic type spindle breaker the most according to claim 1, it is characterised in that: described motor cabinet includes motor cabinet main body, and is arranged on the motor slide rail in motor cabinet main body, and installs the electric machine spacing device of station for regulating motor；Described motor slide rail includes slide rail base plate and two blocks of slide rail side plates, the lower end of two blocks of slide rail side plates is integrally attached to the both sides of slide rail base plate respectively, constituting the sliding-rail groove arranged along motor slide rail length direction between slide rail base plate and two blocks of slide rail side plates, the orbital direction of sliding-rail groove is towards the dovetail groove in gantry base；Described electric machine spacing device includes the limited block being slidably arranged on dovetail groove, and for propping up the cushion block driven at motor side angle, and for connecting the caging bolt of limited block and cushion block, and for fixing the alignment pin of limited block, the upper end of limited block is the slip dop being erected on motor slide rail, and the bottom of limited block is grab；On described slide rail side plate, rule is provided with multiple slide rail positioning through hole, and the grab of limited block is connected on slide rail positioning through hole by alignment pin.

A kind of hydraulic type spindle breaker the most according to claim 1, it is characterised in that: the upper end of the support body dowel on described lower framework is provided with muscle backplate, and transmission tube is arranged above transmission tube protective plate；Frame arm upper end in upper stand is provided with boom protective plate, and the interior sidewall surface of body of feedstock urceolus is additionally provided with abrasion-resistant lining plate, and the upper end of main shaft footstock is provided with top cover；Described top cover is integrally connected and composed by flange in the bottom, midfoot support plate and top board the most successively, midfoot support plate is the ring body enclosing closing, the midfoot support plate all inwardly bending that each bolt hole on flange in the bottom is other, the upper surface of top board is provided with top board flange upwards along its edge, and the end face of top board flange is provided with wear-resisting layer.

A kind of hydraulic type spindle breaker the most according to claim 1, it is characterized in that: surely bore outside the upper end of liner plate and constitute between the interior sidewall surface of connector and determine cone groove for filling epoxy resin, the bottom surely boring liner plate is connected with connector lower end by Ding Zhui bindiny mechanism；Described Ding Zhui bindiny mechanism includes determining the bolt of cone liner plate and connector, nut for connecting, and for the disk spring of damping, spring fairlead and plain washer；Described screw bolt passes bores liner plate and connector surely, and spring fairlead and plain washer positioning sleeve the most successively are located on bolt by nut；Disk spring is set on spring fairlead, and the bottom of disk spring offsets with plain washer.

A kind of hydraulic type spindle breaker the most according to claim 1, it is characterized in that: closely offset between lower end inside face and the lower end outside face of movable cone of mantle liner plate, the mantle groove for filling epoxy resin is constituted between upper end medial surface and the upper end lateral surface of movable cone of mantle liner plate, threaded on main shaft above movable cone have locking nut, and locking nut axially positions mantle liner plate.

A kind of hydraulic type spindle breaker the most according to claim 5, it is characterised in that: the lower end of described movable cone is provided with dustproof groove, and the lower end of dustproof groove sets the dust-proof draw-in groove communicated therewith, and the movable cone of dust-proof draw-in groove lower end is additionally provided with dust ring baffle ring；Being provided with main shaft dust preventing component between described mantle main shaft group and eccentric stiffener, main shaft dust preventing component includes the dust proof tube being fixed on bearing block, and is set in the dust ring in the 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.

A kind of hydraulic type spindle breaker the most according to claim 6, 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, all offer the middle part profit oil passage being sequentially communicated on bearing block and dust proof tube, dust proof tube is further opened with the first oil outlet and the second oil outlet that the middle part profit oil passage internal with it communicates；Described middle part fuel feed hole is communicated by oil pipe and middle part profit oil passage, 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.

A kind of hydraulic type spindle breaker the most according to claim 7, it is characterized in that: described hydraulic cylinder, piston and thrust plate locating piece are provided with the bottom profit oil passage being sequentially communicated, the bottom fuel feed hole that the bottom profit oil passage internal with it communicates it is additionally provided with on the sidewall of hydraulic cylinder, thrust plate locating piece is provided with the 3rd oil outlet that the bottom profit oil passage internal with it communicates, 3rd oil outlet is in above oil return pipe, and the 3rd oil outlet is towards bearing assembly.

A kind of hydraulic type spindle breaker the most according to claim 1, it is characterised 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 and 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.

A kind of hydraulic type spindle breaker the most according to claim 9, it is characterized in that: the both ends of the surface up and down of described middle thrust plate are shiny surface, Circumferential oil groove and a plurality of radial direction oil groove is all offered on the lower surface of upper thrust plate and the upper surface of lower thrust plate, a plurality of radial direction oil groove is arranged along center rule, and Circumferential oil groove all communicates with every radial direction oil groove.