CN114160242A - Large-scale double-cavity multi-cylinder cone crusher and starting-up adjusting method - Google Patents
Large-scale double-cavity multi-cylinder cone crusher and starting-up adjusting method Download PDFInfo
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- CN114160242A CN114160242A CN202111340290.0A CN202111340290A CN114160242A CN 114160242 A CN114160242 A CN 114160242A CN 202111340290 A CN202111340290 A CN 202111340290A CN 114160242 A CN114160242 A CN 114160242A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
- B02C2/045—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with bowl adjusting or controlling mechanisms
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Abstract
The invention discloses a large-scale double-cavity multi-cylinder cone crusher, which comprises a rack assembly, a movable cone assembly, an upper fixed cone assembly and a lower fixed cone assembly, wherein the rack assembly comprises a rack and a main shaft, an adjusting ring is positioned at the top of the rack, the adjusting ring is tensioned by a release cylinder, and a cavity cleaning cylinder for driving the adjusting ring to move upwards is arranged on the rack; the upper fixed cone assembly and the lower fixed cone assembly are in threaded fit, the lower fixed cone assembly is arranged on the adjusting ring in threaded fit, and the upper fixed cone assembly and the lower fixed cone assembly are both provided with hydraulic motors for driving the upper fixed cone assembly and the lower fixed cone assembly to rotate; the main shaft is vertically arranged in the frame, the top end of the main shaft is provided with a spherical support assembly, the movable cone assembly is arranged in the frame assembly through the main shaft matched with the spherical support assembly and extends into the upper fixed cone assembly and the lower fixed cone assembly to be matched with the upper fixed cone assembly and the lower fixed cone assembly to form an upper crushing cavity and a lower crushing cavity. The invention can be used for coarse, medium or fine crushing of materials, adopts vertical lifting iron passing, and has the function of adjusting the dynamic discharge opening during starting.
Description
Technical Field
The invention belongs to the field of crushing equipment, and particularly relates to a large double-cavity multi-cylinder cone crusher and a starting-up adjusting method.
Background
The multi-cylinder cone crusher has high efficiency, low energy consumption and uniform product granularity, is suitable for medium and fine crushing of various ores and rocks, and is widely applied to multiple industries such as metal mines, metallurgy, cement, sand and stone. In the working process of the crusher, the size of a discharge port between parallel areas at the bottom of the moving cone lining plate and the fixed cone lining plate directly influences the discharge granularity of the crusher and the production efficiency of the crusher. In the operation process of the crusher, the impact and the extrusion of ores and the friction between materials and lining plates can cause the abrasion of the fixed cone lining plate and the movable cone lining plate, so that the discharge opening is enlarged, and the size of the discharge opening must be adjusted regularly to ensure the product quality. For multi-cylinder cone crushers, the discharge outlet is generally adjusted once a week, and the lining plates are periodically replaced for 3-5 months. Therefore, the discharge opening can be adjusted more quickly, accurately and conveniently, so that the crusher has very important significance for ensuring the working efficiency of the crusher, and meanwhile, the automatic adjustment of the discharge opening has important significance for the intellectualization of crushing.
The multi-cylinder hydraulic cone crusher can not be avoided in the operation process, iron blocks and the like can not enter a crushing cavity through the crushed objects, and when the crushed objects cannot enter the crushing cavity, if the crushed objects cannot be discharged in time, huge damage can be caused to the crusher, so that the crusher still needs to pass through an iron protection and cavity cleaning device, and non-crushed objects in the crushing cavity are removed in time.
Clear chamber of present cone crusher, cross iron protection and bin outlet width adjusting device, if announce day 2013.06.05, in the patent of announcement No. CN202962531U, a cone crusher is disclosed, this cone crusher includes the base, install the frame on the base, the periphery of frame is provided with round spring mechanism, the adjusting collar is equipped with in the frame, be equipped with the feeder hopper in the adjusting collar, adjusting collar threaded connection has the support cover, still be equipped with a plurality of clear chamber hydro-cylinders in the frame, the cylinder body of clear chamber hydro-cylinder is fixed in the frame, be located spring mechanism's below, the piston rod of clear chamber hydro-cylinder passes spring mechanism and supports cover fixed connection, the oil circuit between each clear chamber hydro-cylinder communicates with each other and links to each other with hydraulic system through oil pipe. As another patent of grant 2015.06.24, grant No. CN103706459B, the present invention discloses a crushing cavity control mechanism for a cone crusher, which comprises a feed hopper, an upper liner plate and a main frame, and is structurally characterized in that: the lifting mechanism comprises a main frame, a supporting sleeve, an adjusting sleeve, an outer gear ring, a pushing cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the main frame, the locking ring is movably connected to the supporting sleeve, the adjusting sleeve is in threaded connection with the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, hydraulic cylinder bodies in the 8 hydraulic cylinders are all fixed on the main frame, a feeding hopper is fixed on the adjusting sleeve, the outer gear ring is fixed on the feeding hopper, the pushing cylinder is arranged on the supporting sleeve, the 4 jacks are all arranged on the main frame, and lifting ends in the 4 jacks are all propped against the supporting sleeve. The size of the crushing cavity can be conveniently and effectively adjusted; the size of the ore discharge port can be controlled; when the object which can not be crushed enters the crushing cavity, the equipment can be effectively protected from being damaged. If 2017.02.15, in the patent of grant No. CN104056680B, a novel cone crusher bin outlet width adjustment device is disclosed, the device is including deciding the cone, decide the cone driving cover, actuating mechanism, decide the cone welt and fixed adjustment ring that sets up on the breaker, the adjustment ring cover is established and is decided the cone outside, the adjustment ring top is equipped with decides the cone driving cover, decide the cone driving cover and decide the cone body coupling, actuating mechanism drive decides the cone driving cover and rotates, can accomplish the automatic adjustment of cone crusher bin outlet width, realize the automatic clear chamber function of breaker putty shut down back, can be used to simultaneously decide the supplementary dismantlement of cone and installation.
The discharge opening adjusting device of the cone crusher needs to be used for adjusting the discharge opening in a shutdown state, and no cone crusher capable of adjusting the discharge opening in the operation process exists in the market at present.
Simultaneously current cone crusher is an iron protection is crossed to tilting, contains when including the uncrushable material such as iron plate in the pan feeding promptly, lifts up the adjusting ring through the extrusion between to moving cone, iron plate and the fixed cone, makes broken chamber increase in iron plate one side, makes the iron plate smoothly pass through broken chamber, and the whole iron plate opposite side slope of adjusting ring upper portion. The whole upper portion of the crusher is inclined in the iron-passing protection mode, the gravity center of the crusher can be deviated to one side, the operation stability of the crusher is affected, meanwhile, the whole upper portion of the adjusting ring can be lifted up by extruding uncrushable objects on the lining plate to generate huge extrusion force, and damage is caused to the crusher. Especially for large-scale multi-cylinder cone crusher, its whole quality in adjustment ring upper portion is too big, in order to make the adjustment ring jack-up cross iron thing and pass through broken chamber smoothly, the extrusion force between movable cone, iron plate and the fixed cone will sharply increase, and is bigger to the destruction of welt and breaker, and the welt will be crossed iron thing extrusion pit aggravation harm, reduces breaker life. The deviation of the inclined center of gravity of the upper part of the crusher will also affect the stable operation of the crusher, and even more likely to cause overturn.
Disclosure of Invention
The invention aims to provide a large double-cavity multi-cylinder cone crusher and a starting-up adjusting method, which can directly realize coarse crushing, medium crushing or medium crushing of materials, reduce the original two-section crushing into one-section crushing, reduce the crushing flow, enable the large double-cavity multi-cylinder cone crusher to have a dynamic discharge outlet adjusting function, adjust the discharge outlet of the crusher in the working process, adopt vertical iron passing protection, enable the gravity center of the crusher to be always in the vertical direction, improve the operation stability of the crusher, simultaneously enable the iron passing protection not to push an adjusting ring to shift by extrusion force, reduce the impact force on a lining plate and a crusher body during the iron passing, and prolong the service life of the crusher.
In order to achieve the purpose, the invention adopts the technical scheme that: a large-scale double-cavity multi-cylinder cone crusher comprises a rack assembly, a movable cone assembly, an upper fixed cone assembly and a lower fixed cone assembly, wherein the rack assembly comprises a rack and a main shaft, an adjusting ring is located at the top of the rack, the adjusting ring is tensioned by a release cylinder, and a cavity cleaning cylinder for driving the adjusting ring to move upwards is arranged on the rack; the upper fixed cone assembly and the lower fixed cone assembly are in threaded fit, the lower fixed cone assembly is arranged on the adjusting ring in threaded fit, and the upper fixed cone assembly and the lower fixed cone assembly are both provided with hydraulic motors for driving the upper fixed cone assembly and the lower fixed cone assembly to rotate; the main shaft is vertically arranged in the frame, the top end of the main shaft is provided with a spherical support assembly, the movable cone assembly is arranged in the frame assembly through the main shaft matched with the spherical support assembly and extends into the upper fixed cone assembly and the lower fixed cone assembly to be matched with the upper fixed cone assembly and the lower fixed cone assembly to form an upper crushing cavity and a lower crushing cavity. The main shaft is also sleeved with an eccentric assembly, and the eccentric assembly and the horizontal shaft assembly are meshed through a gear to drive the main shaft to rotate.
Further, still including spacing fixing device, spacing fixing device locates between frame and the adjusting ring, spacing fixing device includes the bracing piece, the baffle, stop collar A, stop collar B, the safety cover, there is a screw hole bracing piece bottom, fix in the frame through bolt and baffle, the bracing piece top is stepped shaft and outer lane threaded, stop collar A surface is an inclined plane, install in bracing piece top stepped shaft department, it is fixed through the nut of revolving in the bracing piece top, stop collar B internal surface is an inclined plane, install on the adjusting ring through interference fit, the safety cover passes through the bolt fastening on stop collar B.
Furthermore, the movable cone assembly comprises a movable cone, a movable cone ball body, a movable cone lining sleeve, a movable cone upper lining plate, a movable cone lower lining plate, a welding ring, a locking bolt and a material distribution plate, the movable cone assembly is located on a spherical tile in the spherical support assembly through the movable cone ball body, and meanwhile the movable cone assembly is also sleeved on an eccentric sleeve of the eccentric assembly and an eccentric copper sleeve of the rack assembly to realize rotary motion. Move the awl surface and constitute by the different inclined plane in two inclinations, move the awl bush and install in moving the awl, move the awl lower liner plate and install in moving the awl lower surface, move the awl and go up the liner plate and install in moving the awl upper surface, move the awl lower liner plate top and move the laminating of awl upper liner plate bottom, move on the awl, lower liner plate and move the clearance between the awl and fill through the encapsulating, the welding ring is established on moving the awl between liner plate top and locking bolt, locking bolt screw in moves the threaded hole at awl top, compress tightly through the locking bolt of screwing and moves on the awl, lower liner plate prevents that the liner plate is not hard up.
Preferably, the main shaft is a stepped shaft, the diameter of the upper part of the main shaft is smaller than that of the lower part of the main shaft, lubricating holes are formed in the upper part and the lower part of the main shaft, an eccentric copper sleeve is arranged on the upper part of the main shaft, and the eccentric copper sleeve is in clearance fit with the main shaft and can rotate around the main shaft. The outer ring of the eccentric copper sleeve is an inclined plane, the inner ring is a vertical cylindrical surface, and the middle part of the cylindrical surface is provided with a lubricating groove;
preferably, the upper fixed cone assembly comprises an upper fixed cone and an upper fixed cone lining plate, threads are arranged on the outer edge of the lower portion of the upper fixed cone assembly, the upper fixed cone assembly is connected with the lower fixed cone assembly through the threads and is fixed on the lower fixed cone assembly through a locking ring A and a locking cylinder A in a matched mode, and the upper fixed cone lining plate is fixed on the upper fixed cone through a tensioning bolt A and a wedge block A.
Preferably, the lower fixed cone assembly comprises a lower fixed cone and a lower fixed cone lining plate, threads are formed in the inner wall of the upper portion of the lower fixed cone assembly and the outer wall of the lower portion of the lower fixed cone assembly, the lower fixed cone assembly is connected with the adjusting ring through the threads and is fixed on the adjusting ring through the locking ring B and the locking cylinder B in a matched mode, and the lower fixed cone lining plate is fixed on the lower fixed cone through the tensioning bolt B and the wedge block B.
Furthermore, the adjusting ring is arranged on the frame, is superposed with a frame seat gasket welded on the frame through an inclined plane and is simultaneously contacted with the upper surface of the supporting ring, and the excircle of the adjusting ring is sleeved on the outer ring of the top of the frame. The bottom of the adjusting ring is provided with a circle of groove, and the surface of the outer ring of the groove is vertical; the outer ring of the top of the frame is a vertical surface; after the crusher is assembled, the outer ring of the groove of the adjusting ring is matched with the outer ring at the top of the frame, so that the whole adjusting ring can vertically move.
A method for adjusting the starting-up of a large-scale double-cavity multi-cylinder cone crusher comprises the steps of adjusting the discharge hole of the starting-up, namely, in the working process of the crusher, pressurizing an oil way where a lower cavity of a cavity cleaning cylinder is located through a hydraulic system in the crusher, vertically lifting the whole body through a cavity cleaning cylinder pushing adjusting ring, increasing the gap between a fixed cone lining plate and fixed cone lining plates of an upper fixed cone assembly and a lower fixed cone assembly, enabling the fixed cone lining plates not to be subjected to crushing extrusion force, and adjusting the gap between the fixed cone lining plate and a movable cone in the upper fixed cone assembly and the lower fixed cone assembly through the rotary lifting of the upper fixed cone assembly and the lower fixed cone assembly driven by a hydraulic motor, so that the size of the discharge hole is adjusted; and (3) automatic iron passing, namely, when the crusher works to pass iron, iron objects cannot be crushed, when the system detects that the pressure in an oil way in which the lower cavity of the release cylinder is located is higher than the rated pressure, the occurrence of iron passing is judged, the oil way in which the lower cavity of the cavity cleaning cylinder is located is pressurized through the hydraulic system, the cavity cleaning cylinder pushes the whole adjusting ring to vertically rise, the discharge opening is enlarged, and the iron objects pass through the crushing cavity. After the iron is passed, the hydraulic system slowly reduces the pressure in the cleaning cavity, the pressure in the release cylinder is increased, the adjusting ring descends, and the normal working state is recovered.
Compared with the prior art, the invention has the following beneficial effects: 1. the movable cone assembly, the upper fixed cone assembly and the lower fixed cone assembly are matched to form two crushing cavities which can be used for medium and fine crushing of materials. The double crushing cavities enable the crusher to have the characteristic of large crushing ratio, can directly realize coarse crushing, medium crushing or medium crushing of materials, reduces the original two-stage crushing into one-stage crushing, and reduces the crushing process. 2. The vertical type lifting iron passing mode is adopted, cavity cleaning and iron passing protection of the large double-cavity multi-cylinder cone crusher can be achieved, impact force on the lining plate and the crusher body during iron passing is reduced, and the service life of the crusher is prolonged. 3. The large-scale double-cavity multi-cylinder cone crusher has the function of adjusting the dynamic discharge opening, the discharge opening of the crusher can be adjusted in the working process, the size of the discharge opening can be adjusted more quickly and conveniently, the crusher has very important significance for ensuring the working efficiency of the crusher, and meanwhile, the discharge opening is automatically adjusted in the working process, so that the crusher has important significance for the intelligentization of crushing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partially enlarged structural view of the present invention;
FIG. 3 is a schematic view of an adjusting ring structure according to the present invention
FIG. 4 is a schematic view of the structure of the position-limiting fixing device of the present invention
FIG. 5 is a schematic view of the structure of the cavity cleaning cylinder of the present invention
FIG. 6 is a schematic view of the structure of the release cylinder of the present invention
In the figure: 1. the crushing device comprises a frame assembly, 2. an eccentric assembly, 3. a horizontal shaft assembly, 4. a movable cone assembly, 5. a spherical support assembly, 6. an adjusting ring, 7. an upper fixed cone assembly, 8. a lower fixed cone assembly, 9. a feeding hopper assembly, 10. a frame, 11. a main shaft, 12. a hydraulic motor, 13. an upper fixed cone lining plate, 14. a movable cone upper lining plate, 15. a first crushing cavity, 16. a lower fixed cone lining plate, 17. a movable cone lower lining plate, 18. a second crushing cavity, 19. an eccentric copper bush, 20. a movable cone, 21. a movable cone ball, 22. a movable cone lining bush, 23. a welding ring, 24. a locking bolt, 25. a material distribution disc, 26. a spherical tile, 27. a lower fixed cone, 28A. a locking ring A, 29A. locking cylinder A, 30A. tensioning bolt A, 31A. wedge block A, 28B. locking ring B, 29B. locking cylinder B, 30B. tensioning bolt B, 31B. wedge block B, 32. upper fixed cone A, 33. supporting ring, 34. The device comprises a frame seat gasket, 35 parts of a release cylinder, 36 parts of a cavity cleaning cylinder, 37 parts of a limiting fixing device, 38 parts of a support rod, 39 parts of a baffle, 40 parts of limiting sleeves A and 41 parts of limiting sleeves B and 42 parts of a protective cover.
Detailed Description
Referring to fig. 1-6, a large-scale double-cavity multi-cylinder cone crusher and a startup adjusting method thereof comprise a rack assembly 1, a moving cone 20 assembly 4, an upper fixed cone assembly 7 and a lower fixed cone assembly 8, wherein the rack assembly 1 comprises a rack 10 and a main shaft 11, an adjusting ring 6 is located on the rack 10, the adjusting ring 6 is tensioned by a release cylinder 35, and a cavity cleaning cylinder 36 for driving the adjusting ring 6 to move upwards is arranged on the rack 10; the upper fixed cone assembly 7 and the lower fixed cone assembly 8 are in threaded fit, the lower fixed cone assembly 8 is arranged on the adjusting ring 6 through threaded fit, and the upper fixed cone assembly 7 and the lower fixed cone assembly 8 are both provided with hydraulic motors 12 for driving the upper fixed cone assembly 7 and the lower fixed cone assembly 8 to rotate; the main shaft 11 is vertically arranged in the frame 10, the spherical support assembly 5 is arranged at the top end of the main shaft 11, the movable cone 20 assembly 4 is arranged in the frame assembly 1 by matching the main shaft 11 with the spherical support assembly 5 and extends into the upper fixed cone assembly 7 and the lower fixed cone assembly 8 to be matched with the upper fixed cone assembly 7 and the lower fixed cone assembly 8 to form an upper crushing cavity and a lower crushing cavity. Still including spacing fixing device 37, spacing fixing device 37 is located between frame 10 and adjusting ring 6, spacing fixing device 37 includes bracing piece 38, baffle 39, stop collar A40, stop collar B41, safety cover 42, bracing piece 38 bottom has a screw hole, fix in frame 10 through bolt and baffle 39, bracing piece 38 top is shoulder shaft and outer lane screw thread, stop collar A40 surface is an inclined plane, install in bracing piece 38 top shoulder shaft department, it is fixed through the nut of revolving in the bracing piece 38 top, stop collar B41 internal surface is an inclined plane, install on adjusting ring 6 through interference fit, safety cover 42 passes through the bolt fastening on stop collar B41. The double-cavity multi-cylinder cone crusher provided by the invention is provided with double crushing cavities, wherein an upper fixed cone lining plate 13 in an upper fixed cone assembly 7 and an upper lining plate 14 of a movable cone 20 in a movable cone 20 assembly 4 form a first crushing cavity 15, and the double-cavity multi-cylinder cone crusher can be used for coarse crushing and medium crushing of materials; the lower fixed cone lining plate 16 in the lower fixed cone assembly 8 and the lower lining plate 17 of the movable cone 20 in the movable cone 20 assembly 4 form a second crushing cavity 18 which can be used for crushing materials. The discharge opening of the first crushing cavity 15 is large, and the average diameter of the crushing cavity is small; the discharge opening of the second crushing cavity 18 is small, and the average diameter of the crushing cavities is large, so that the two crushing cavities have the same throughput; the double crushing cavities enable the crusher to have the characteristic of large crushing ratio, coarse crushing, medium crushing or medium crushing of materials can be directly realized by replacing different lining plates, the original two-stage crushing is reduced to one-stage crushing, and the crushing process is reduced. In the working process of the crusher, the eccentric assembly 2 and the horizontal shaft assembly 3 drive the movable cone 20 assembly 4 to rotate and swing through gear meshing transmission, so that the movable cone 20 assembly 4 generates crushing extrusion force on the upper fixed cone assembly 7 and the lower fixed cone assembly 8, and materials enter a crushing cavity from the hopper assembly 9 at the top of the frame 10. When the machine needs to be started up to adjust the discharge opening, because the inner surface of the adjusting ring 6 is vertical to the outer surface of the machine frame 10, the cavity cleaning cylinder 36 pushes the adjusting ring 6 to integrally and vertically rise until the adjusting ring 6 reaches the limiting fixing device 37, the adjusting ring 6 does not move upwards any more, the two inclined surfaces of the limiting sleeve A40 and the limiting sleeve B41 are tightly matched to limit the adjusting ring 6 to move left and right, and the adjusting ring 6 is static relative to the machine frame 10 under the action of the upward thrust of the cavity cleaning cylinder 36 on the adjusting ring 6; at the moment, the fixed cone assembly is in a cavity cleaning state, the upper fixed cone assembly 7 and the lower fixed cone assembly 8 are far away from the fixed cone assembly, so that the gap between the fixed cone lining plate and the fixed cone lining plates of the upper fixed cone assembly 7 and the lower fixed cone assembly 8 is increased, the fixed cone lining plates are not subjected to crushing extrusion force, and the fixed cones can be rotated by the hydraulic motor 12 to directly adjust a discharge port. When the crusher passes through iron, the movable cone 20 assembly 4 extrudes iron objects in the crushing cavity, and the iron objects cannot be crushed, so that the pressure in an oil circuit where the lower cavity of the release cylinder 35 is located is increased, when the pressure exceeds the set pressure, the iron is judged to pass, the cavity cleaning cylinder 36 pushes the adjusting ring 6 to wholly and vertically rise, the discharge opening is increased, and the iron objects pass through the crushing cavity.
The movable cone 20 assembly 4 comprises a movable cone 20, a movable cone sphere 21, a movable cone bushing 22, an upper lining plate 14 of the movable cone 20, a lower lining plate 17 of the movable cone 20, a welding ring 23, a locking bolt 24, a material distributing plate 25 and the like, the movable cone 20 assembly 4 is located on a spherical tile 26 in the spherical support assembly 5 through the movable cone sphere 21, and meanwhile, the movable cone 20 assembly 4 is also sleeved on an eccentric sleeve of the eccentric assembly 2 and an eccentric copper sleeve 19 of the rack assembly 1 to realize rotary motion. The outer surface of the movable cone 20 is composed of two inclined planes with different inclination angles, a movable cone lining 22 is installed in the movable cone 20, a lining plate 17 under the movable cone 20 is installed on the lower surface of the movable cone 20, a lining plate 14 on the movable cone 20 is installed on the upper surface of the movable cone 20, the top of the lining plate 17 under the movable cone 20 is attached to the bottom of the lining plate 14 on the movable cone 20, the gap between the lining plate and the movable cone 20 is filled by glue pouring, a welding ring 23 is arranged between the top of the lining plate 14 on the movable cone 20 and a locking bolt 24, the locking bolt 24 is screwed into a threaded hole in the top of the movable cone 20, the upper lining plate and the lower lining plate of the movable cone 20 are compressed by screwing the locking bolt 24, and looseness of the lining plate 20 is prevented.
The main shaft 11 is a stepped shaft, the diameter of the upper part of the main shaft 11 is smaller than that of the lower part of the main shaft 11, lubricating holes are formed in the upper part and the lower part of the main shaft 11, an eccentric copper sleeve 19 is arranged on the upper part of the main shaft 11, and the eccentric copper sleeve 19 is in clearance fit with the main shaft 11 and can rotate around the main shaft 11. The outer ring of the eccentric copper sleeve 19 is an inclined plane, the inner ring is a vertical cylindrical surface, and the middle part of the cylindrical surface is provided with a lubricating groove;
the upper fixed cone assembly 7 comprises an upper fixed cone 32 and an upper fixed cone lining plate 13, the outer edge of the lower part of the upper fixed cone assembly 7 is provided with threads, the upper fixed cone assembly 7 is connected with the lower fixed cone assembly 8 through the threads and is fixed on the lower fixed cone assembly 8 through a locking ring A28A and a locking cylinder A29A in a matching mode, and the upper fixed cone lining plate 13 is fixed on the upper fixed cone 32 through a tensioning bolt A30A and a wedge A31A.
The lower fixed cone assembly 8 comprises a lower fixed cone 27 and a lower fixed cone lining plate 16, threads are arranged on the upper inner wall and the lower outer wall of the lower fixed cone assembly 8, the lower fixed cone assembly 8 is connected with the adjusting ring 6 through the threads and is fixed on the adjusting ring 6 through a locking ring B28B and a locking cylinder B29B in a matching mode, and the lower fixed cone lining plate 16 is fixed on the lower fixed cone 27 through a tensioning bolt B30B and a wedge block B31B.
The adjusting ring 6 is arranged on the frame 10, coincides with a frame seat gasket 34 welded on the frame 10 through an inclined plane, and simultaneously contacts with the upper surface of the support ring 33, and the outer circle of the adjusting ring 6 is sleeved on the outer circle of the top of the frame 10. The bottom of the adjusting ring 6 is provided with a circle of grooves 6A, and the surface of the outer ring 6B of each groove 6A is vertical; the outer ring of the top of the frame 10 is a vertical surface; after the crusher is assembled, the outer ring 6B of the groove 6A of the adjusting ring 6 is matched with the outer ring at the top of the frame 10, so that the whole adjusting ring 6 can vertically move.
A startup adjusting method of a large-scale double-cavity multi-cylinder cone crusher comprises the following steps: in the working process of the crusher, an oil path where the lower cavity of the cavity cleaning cylinder 36 is located is pressurized through a hydraulic system in the crusher, the cavity cleaning cylinder 36 pushes the adjusting ring 6 to wholly and vertically ascend, the gap between the fixed cone lining plate and the fixed cone lining plates of the upper fixed cone assembly 7 and the lower fixed cone assembly 8 is increased, the fixed cone lining plates are not subjected to crushing extrusion force, the upper fixed cone assembly 7 and the lower fixed cone assembly 8 are driven to rotate and descend through the hydraulic motor 12 to adjust the gap between the fixed cone lining plates and the movable cone 20 in the upper fixed cone assembly 7 and the lower fixed cone assembly 8, and therefore the size of a discharge hole is adjusted; automatic iron passing: when the crusher works to pass iron, iron objects cannot be crushed, so that the pressure in an oil way where the lower cavity of the release cylinder 35 is located is increased, when the system detects that the pressure in the oil way where the lower cavity of the release cylinder 35 is located is greater than the rated pressure, the iron objects are judged to have passed at the moment, the oil way where the lower cavity of the cavity cleaning cylinder 36 is located is pressurized through the hydraulic system, the cavity cleaning cylinder 36 is enabled to push the adjusting ring 6 to rise vertically, the discharge opening is increased, the iron objects pass through the crushing cavity, after the iron objects pass through, the pressure in the cavity cleaning is slowly reduced through the hydraulic system, the pressure in the release cylinder 35 is increased, the adjusting ring 6 descends, and the normal working state is recovered.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A large-scale two-chamber multi-cylinder cone crusher is characterized in that: the device comprises a rack assembly, a movable cone assembly, an upper fixed cone assembly and a lower fixed cone assembly, wherein the rack assembly comprises a rack and a main shaft, an adjusting ring is positioned at the top of the rack, the adjusting ring is tensioned by a release cylinder, and a cavity cleaning cylinder for driving the adjusting ring to move upwards is arranged on the rack; the upper fixed cone assembly and the lower fixed cone assembly are in threaded fit, the lower fixed cone assembly is arranged on the adjusting ring in threaded fit, and the upper fixed cone assembly and the lower fixed cone assembly are both provided with hydraulic motors for driving the upper fixed cone assembly and the lower fixed cone assembly to rotate; the main shaft is vertically arranged in the frame, the top end of the main shaft is provided with a spherical support assembly, the movable cone assembly is arranged in the frame assembly through the main shaft matched with the spherical support assembly and extends into the upper fixed cone assembly and the lower fixed cone assembly to be matched with the upper fixed cone assembly and the lower fixed cone assembly to form an upper crushing cavity and a lower crushing cavity.
2. The large-scale double-cavity multi-cylinder cone crusher of claim 1, wherein: still including spacing fixing device, spacing fixing device locates between frame and the adjusting ring, spacing fixing device includes the bracing piece, the baffle, stop collar A, stop collar B, the safety cover, there is a screw hole bracing piece bottom, fix in the frame through bolt and baffle, the bracing piece top is shoulder shaft and outer lane threaded, stop collar A surface is an inclined plane, install in bracing piece top shoulder shaft department, it is fixed through the nut of revolving in the bracing piece top, stop collar B internal surface is an inclined plane, install on the adjusting ring through interference fit, the safety cover passes through the bolt fastening on stop collar B.
3. The large-scale double-cavity multi-cylinder cone crusher of claim 1, wherein: the movable cone assembly is located on the spherical tile in the spherical support assembly through the movable cone ball body, and meanwhile, the movable cone assembly is also sleeved on the eccentric assembly to realize rotary motion.
4. A large double-cavity multi-cylinder cone crusher as claimed in claim 3, wherein: move the awl assembly including moving the awl, move the awl spheroid, move the awl bush, move the awl and go up the welt, move awl lower liner plate, the welding ring, locking bolt and branch charging tray, it comprises the inclined plane that two inclinations are different to move the awl surface, move the awl bush and install in moving the awl, move awl lower liner plate and install in moving the awl lower surface, move awl upper liner plate and install in moving awl upper surface, move awl lower liner plate top and move the laminating of awl upper liner plate bottom, move on the awl, down the welt and move the clearance between the awl and fill through the encapsulating, the welding ring is established on moving the awl between welt top and the locking bolt, locking bolt screw in moves the threaded hole at awl top, compress tightly through screwing locking bolt and move awl upper and lower welt, prevent that the welt is not hard up.
5. The large-scale double-cavity multi-cylinder cone crusher of claim 4, wherein: the main shaft is a stepped shaft, the diameter of the upper part of the main shaft is smaller than that of the lower part of the main shaft, lubricating holes are formed in the upper part and the lower part of the main shaft, an eccentric copper sleeve is arranged on the upper part of the main shaft, and the eccentric copper sleeve is in clearance fit with the main shaft and can rotate around the main shaft; the outer ring of the eccentric copper sleeve is an inclined plane, the inner ring is a vertical cylindrical surface, and the middle part of the cylindrical surface is provided with a lubricating groove.
6. The large-scale double-cavity multi-cylinder cone crusher of claim 5, wherein: the upper fixed cone assembly comprises an upper fixed cone and an upper fixed cone lining plate, the outer edge of the lower part of the upper fixed cone assembly is provided with threads, the upper fixed cone assembly is connected with the lower fixed cone assembly through the threads and is fixed on the lower fixed cone assembly through the matching of a locking ring A and a locking cylinder A, and the upper fixed cone lining plate is fixed on the upper fixed cone through a tensioning bolt A and a wedge block A.
7. The large-scale double-cavity multi-cylinder cone crusher of claim 6, wherein: the lower fixed cone assembly comprises a lower fixed cone and a lower fixed cone lining plate, the inner wall of the upper portion of the lower fixed cone assembly and the outer wall of the lower portion of the lower fixed cone assembly are provided with threads, the lower fixed cone assembly is connected with the adjusting ring through the threads and is fixed on the adjusting ring through the locking ring B and the locking cylinder B in a matched mode, and the lower fixed cone lining plate is fixed on the lower fixed cone through the tensioning bolt B and the wedge block B.
8. The large-scale double-cavity multi-cylinder cone crusher of claim 1, wherein: the adjusting ring is arranged on the frame, coincides with a frame seat gasket welded on the frame through an inclined plane, and simultaneously contacts with the upper surface of the supporting ring, and the excircle of the adjusting ring is sleeved on the outer ring at the top of the frame.
9. The large-scale double-cavity multi-cylinder cone crusher of claim 8, wherein: the bottom of the adjusting ring is provided with a circle of groove, and the surface of the outer ring of the groove is vertical; the outer ring of the top of the frame is a vertical surface; after the crusher is assembled, the outer ring of the groove of the adjusting ring is matched with the outer ring at the top of the frame, so that the whole adjusting ring can vertically move.
10. A startup adjusting method of a large double-cavity multi-cylinder cone crusher is characterized by comprising the following steps: adjusting a starting discharge port: in the working process of the crusher, an oil way where a lower cavity of a cavity cleaning cylinder is located is pressurized through a hydraulic system in the crusher, the cavity cleaning cylinder pushes an adjusting ring to integrally and vertically ascend, a gap between a fixed cone lining plate and fixed cone lining plates of an upper fixed cone assembly and a lower fixed cone assembly is increased, the fixed cone lining plates are not subjected to crushing extrusion force, and the upper fixed cone assembly and the lower fixed cone assembly are driven by a hydraulic motor to rotate and ascend so as to adjust the gap between the fixed cone lining plates and a movable cone in the upper fixed cone assembly and the lower fixed cone assembly, so that the size of a discharge port is adjusted; automatic iron passing: when the crusher works to pass iron, iron objects cannot be crushed, when the system detects that the pressure in an oil circuit where the lower cavity of the release cylinder is located is greater than the rated pressure, the iron is judged to pass, the oil circuit where the lower cavity of the cavity cleaning cylinder is located is pressurized through the hydraulic system, the cavity cleaning cylinder pushes the adjusting ring to rise vertically, the discharge opening is enlarged, and the iron objects pass through the crushing cavity.
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