CN210332785U

CN210332785U - Cone crusher with oil circuit system

Info

Publication number: CN210332785U
Application number: CN201920805200.2U
Authority: CN
Inventors: 王连新; 万里荣; 祝明开; 朱建阳
Original assignee: Hangzhou Hexing Machine Co ltd
Current assignee: Hangzhou Hexing Machine Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-17
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to a cone crusher, discloses a cone crusher with oil piping system, including upper casing, lower casing, main shaft, protection casing and first gear, the protection casing is connected with lower casing sealing, the first gear is installed between lower casing and protection casing, the lower tip of lower casing is equipped with the cavity that is used for installing the drive assembly, the upper end of main shaft is connected with upper casing sealing; the oil pump is communicated with the main shaft through a first oil pipe, a first oil duct and a second oil duct are arranged in the main shaft, the second oil duct is communicated with an inner cavity of the protective cover, the first oil duct is communicated with the second oil duct, a third oil duct is formed between the protective cover and the first gear, one end of the third oil duct is communicated with the inner cavity of the protective cover, and the other end of the third oil duct is communicated with the cavity. This equipment has increased a set of fluid lubricating system, and fluid is followed the top input of upper housing and is flowed into in the cavity of installation drive assembly along main shaft, protection casing, first gear always, forms a set of top-down's lubricating system, and is lubricated effectual.

Description

Cone crusher with oil circuit system

Technical Field

The utility model relates to a cone crusher especially relates to cone crusher with oil piping system.

Background

Cone crushers are used to break larger rock masses into smaller pieces, which are common in mining sites. At present, a sealing structure is not arranged between a main shaft and an upper shell in a cone crusher, the traditional main shaft is only arranged on the upper shell, the main shaft does not depart from the upper shell when swinging, the requirement on the structure is not high, and the connection is firm. Meanwhile, traditional oil lubrication is not systematized, an oil supply port communicated with a cavity of a lower shell is arranged on the lower shell, a driving assembly is arranged in the cavity, the lubrication is only performed on the driving assembly, the lubrication range is small, and the limitation is large. For example, application No.: 201810094764.X, patent name: a cone crusher.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the shortcoming that the broken lubricated effect of circular cone is poor among the prior art, provide the cone crusher with oil piping system.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a cone crusher with an oil circuit system comprises an upper shell, a lower shell, a main shaft, a movable cone, a protective cover, a first gear and a driving assembly, wherein the upper shell is connected with the lower shell through a bolt, the movable cone is fixed at the lower end part of the main shaft and arranged in the lower shell, the lower end part of the movable cone is provided with a first concave groove which is inwards concave, the protective cover is connected with the lower shell in a sealing way, the other end of the protective cover extends into the first concave groove of the movable cone, the outer circumferential side wall of the protective cover is connected with the movable cone in a sealing way, the first gear is arranged between the lower shell and the protective cover, the first gear is connected with the lower end part of the main shaft and drives the lower shell to swing, the lower end part of the lower shell is provided with a cavity for mounting the driving assembly, the driving assembly comprises a second gear which is meshed with the first gear, a limiting shaft sleeve is fixed at the axis at the upper end, the upper end part of the main shaft is hermetically connected with the limiting shaft sleeve; the oil pump is characterized by further comprising an oil pump, a one-way valve is fixed at the lower end of a turned edge at the upper end of the upper shell, the oil pump is connected with the one-way valve through a first oil pipe, the one-way valve is communicated with an inner cavity of the limiting shaft sleeve through a second oil pipe, a first oil duct is arranged on the central axis of the main shaft and is communicated with the inner cavity of the limiting shaft sleeve, a second oil duct which is radially arranged is arranged on the main shaft in the protective cover and is communicated with the inner cavity of the protective cover, the first oil duct is communicated with the second oil duct, a third oil duct is formed between the protective cover and the first gear, one end of the third oil duct. The main shaft of the cone crusher circularly swings when working, a sealing structure is not arranged between the traditional main shaft and the upper shell, the traditional main shaft and the upper shell are only in contact connection, the upper shell provides a fulcrum for the main shaft and enables the main shaft to swing, and when the device is not used for a long time, rust can be generated between the main shaft and the upper shell, so that the movement between the main shaft and the upper shell is influenced. Traditional fluid is poured into from the cavity of lower casing, and the second gear is stained with behind the fluid with first gear engagement to bring fluid to first gear, because first gear is established in the top of second gear, fluid is from the top down flow, the lubricated effect of first gear can not be unusual good. According to the equipment, a set of oil lubricating system is added, oil is input from the top end of the upper shell, the oil flows into the space between the upper shell and the main shaft through the second oil pipe, flows into the protective cover through the first oil duct and the second oil duct of the main shaft, flows onto the first gear from the protective cover, and flows into the cavity from the third oil duct, so that a set of lubricating system from top to bottom is formed.

Preferably, the limiting shaft sleeve is provided with a step hole penetrating through the upper end surface and the lower end surface of the limiting shaft sleeve, the step hole comprises a primary step surface and a secondary step surface arranged below the primary step surface, and the main shaft extends into the upper shell through the step hole; the combined sealing device is characterized by further comprising a pressing sleeve, an annular base is mounted on the secondary step surface, a combined sealing piece is mounted on the annular base, a first spring is mounted between the annular base and the combined sealing piece, a pressing block protruding outwards is fixed on the outer circumferential side wall of the upper end of the main shaft, the upper end of the main shaft penetrates through the annular base and the combined sealing piece, the pressing block on the main shaft is pressed on the upper end of the combined sealing piece, and the pressing sleeve is in threaded connection with the upper end of the step hole and is pressed on the combined. The pressing block on the outer circumferential side wall of the main shaft presses the upper end face of the combined sealing piece, the combined sealing piece and the base are firmly contacted and tightly sealed, and meanwhile, the position of the combined sealing piece can be adjusted along with the swinging of the main shaft when the main shaft swings due to the fact that the combined sealing piece is connected with the base through the first spring, so that the sealing performance between the main shaft and the combined sealing piece is guaranteed.

Preferably, the combined sealing element comprises a sealing ring made of rubber and an annular steel plate embedded in the sealing ring, a first annular groove is formed in the annular base, a second annular groove is formed in the lower end portion of the sealing ring, the lower end portion of the first spring is installed in the first annular groove, the upper end portion of the first spring is installed in the second annular groove, a third annular groove is formed in the upper end portion of the sealing ring, an annular convex block is arranged on one side wall of the third annular groove, when the combined sealing element is connected with the main shaft, the pressing block presses on the annular convex block, a downward convex ring is arranged on the lower end face of the pressing sleeve, and when the pressing sleeve is fixed on the upper machine shell in a threaded mode, the convex ring extends into the. The combined sealing element component has stronger elastic performance and stronger bending resistance. The first annular groove and the second annular groove enable the first spring to be firmly fixed between the annular base and the combined sealing element.

Preferably, the check valve comprises an upper valve body, a lower valve body, a combined filtering baffle, a limiting ball and a second spring, the combined filtering baffle comprises a rubber ring and a filter plate with a plurality of filtering holes, the rubber ring is sleeved on the filter plate, the upper valve body and the lower valve body are connected with a flanging bolt at the upper end of an upper shell, a second groove is formed in the upper end of the lower valve body, the combined filtering baffle is installed in the second groove, the upper valve body is connected with the lower valve body in a sealing mode, the lower end of the lower valve body is provided with a conical oil hole communicated with the second groove, the limiting ball is placed in the oil hole, one end of the second spring is installed on the filter plate, and the other end of the second spring. The check valve prevents that fluid in the second oil pipe from flowing backwards to the oil pump, and when people dismantle first oil pipe, the oil leak phenomenon can not take place.

Preferably, the upper end face of the upper shell is respectively fixed with a first cover plate and a second cover plate which are used for covering a second oil pipe and a limiting shaft sleeve, the end part of the second oil pipe in the limiting shaft sleeve is provided with a spray head, the inner end face of the second cover plate is provided with an oil baffle assembly, the oil baffle assembly comprises a first bearing, a rotary rod and an oil baffle plate, the first bearing is fixed on the second cover plate, one end of the rotary rod is arranged on the first bearing, the other end of the rotary rod is fixedly connected with the oil baffle plate, and a spray nozzle of the spray head is opposite to the oil baffle plate. The first cover plate and the second cover plate are used for protecting the second oil pipe and the limiting shaft sleeve respectively. Keep off the oiled-plate subassembly and can break up shower nozzle spun fluid all around, improve the lubricated effect between spacing axle sleeve and the main shaft.

Preferably, the driving assembly further comprises a positioning shaft sleeve, a connecting shaft and a driving wheel, the connecting shaft is mounted in the positioning shaft sleeve, two ends of the connecting shaft are mounted on the positioning shaft sleeve through second bearings, one end of the connecting shaft is fixedly connected with the second gear, the other end of the connecting shaft is fixedly connected with the driving wheel, the inner end of the positioning shaft sleeve is limited in the cavity, and a flange at the outer end of the positioning shaft sleeve is fixed with the lower shell through bolts.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the main shaft of the cone crusher circularly swings when working, a sealing structure is not arranged between the traditional main shaft and the upper shell, the traditional main shaft and the upper shell are only in contact connection, the upper shell provides a fulcrum for the main shaft and enables the main shaft to swing, and when the device is not used for a long time, rust can be generated between the main shaft and the upper shell, so that the movement between the main shaft and the upper shell is influenced. Traditional fluid is poured into from the cavity of lower casing, and the second gear is stained with behind the fluid with first gear engagement to bring fluid to first gear, because first gear is established in the top of second gear, fluid is from the top down flow, the lubricated effect of first gear can not be unusual good. The device is additionally provided with a set of oil lubricating system, oil is input from the top end of the upper shell, the oil flows between the upper shell and the main shaft, redundant oil flows into the protective cover through the first oil duct and the second oil duct of the main shaft, then flows onto the first gear from the protective cover, and then flows into the cavity from the third oil duct, so that a set of lubricating system from top to bottom is formed.

Drawings

Fig. 1 is a schematic sectional structure diagram of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a partially enlarged schematic view of a in fig. 1.

Fig. 4 is a schematic view of the structure of the combined filtering baffle of fig. 3.

Fig. 5 is a schematic structural view of the lower valve body in fig. 3.

Fig. 6 is a partially enlarged schematic view of B in fig. 1.

Fig. 7 is a schematic structural view of the composite seal of fig. 6.

The names of the parts indicated by the numerical references in the above figures are as follows: 10-upper machine shell, 11-lower machine shell, 12-main shaft, 13-movable cone, 14-protective cover, 15-first gear, 16-driving component, 17-oil pump, 18-one-way valve, 19-first oil pipe, 20-second oil pipe, 21-pressing sleeve, 22-annular base, 23-combined sealing component, 24-first spring, 25-first cover plate, 26-second cover plate, 27-spray head, 28-oil baffle component, 100-third oil channel, 101-limit shaft sleeve, 102-connecting rod, 103-stepped hole, 111-cavity, 121-first oil channel, 122-second oil channel, 123-pressing block, 131-first groove, 161-second gear, 162-positioning shaft sleeve, 163-connecting shaft, 164-driving wheel, 165-second bearing, 181-upper valve body, 183-combined filtering baffle, 184-limit ball, 185-second spring, 211-convex ring, 221-first annular groove, 231-a sealing ring, 232-an annular steel plate, 233-a second annular groove, 234-a third annular groove, 235-an annular bump, 281-a first bearing, 282-a rotating rod, 283-an oil baffle, 1821-a second groove, 1822-an oil hole, 1831-a rubber ring, 1832-a filtering hole and 1833-a filtering plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings 1-7 and examples.

Example 1

The cone crusher with the oil circuit system comprises an upper shell 10, a lower shell 11, a main shaft 12, a movable cone 13, a protective cover 14, a first gear 15 and a driving assembly 16, wherein the upper shell 10 is in bolted connection with the lower shell 11, the movable cone 13 is fixed at the lower end part of the main shaft 12 and is arranged in the lower shell 11, the movable cone 13 swings along with the main shaft 12, a fixed cone is installed on the inner wall of the lower end part of the upper shell 10, and the movable cone 13 swings to change a gap between the movable cone and the fixed cone, so that large stones are crushed. The tip is equipped with inside sunken first recess 131 under the movable cone 13, and first recess 131 is used for holding the upper end of protection casing 14, prevents that impurity from entering into in the protection casing 14, and protection casing 14 still is used for protecting first gear 15, and protection casing 14 and lower casing 11 bolted connection are equipped with O type sealing washer between protection casing 14 and the lower casing 11 to make sealing connection between the two. The other end of the protective cover 14 extends into the first groove 131 of the movable cone 13, the outer circumferential side wall of the protective cover 14 is in sealing connection with the movable cone 13, a rubber ring is fixed on the outer circumferential side wall of the protective cover 14, the free end of the rubber ring is connected with the movable cone 13, the movable cone 13 is pressed on the rubber ring, and when the movable cone 13 swings, the rubber ring is still connected with the movable cone 13. The first gear 15 is installed between the lower machine shell 11 and the protective cover 14, the first gear 15 is connected with the lower end part of the main shaft 12 and drives the main shaft 12 to swing, the first gear 15 rotates to drive the main shaft 12 to do circumferential swing, the lower end part of the lower machine shell 11 is provided with a cavity 111 for installing the driving component 16, the driving component 16 comprises a second gear 161, the second gear 161 is meshed with the first gear 15, and the second gear 161 drives the first gear 15 to rotate so as to drive the main shaft 12 to swing. A limiting shaft sleeve 101 is fixed on the upper end axis of the upper case 10, the limiting shaft sleeve 101 serves as a supporting shaft sleeve at the upper end of the main shaft 12, two sides of the limiting shaft sleeve 101 are fixedly connected with the inner wall of the upper case 10 through a connecting rod 102, in the embodiment, the limiting shaft sleeve 101, the connecting rod 102 and the upper case 10 are integrally cast, the upper end of the main shaft 12 is installed in the limiting shaft sleeve 101, and the upper end of the main shaft 12 is hermetically connected with the limiting shaft sleeve 101; the oil pump 17 is further included, a one-way valve 18 is fixed at the lower end of a turned edge at the upper end of the upper housing 10, the oil pump 17 is connected with the one-way valve 18 through a first oil pipe 19, the one-way valve 18 is communicated with an inner cavity of the limiting shaft sleeve 101 through a second oil pipe 20, a first oil duct 121 is arranged on the central axis of the main shaft 12, the first oil duct 121 is communicated with the inner cavity of the limiting shaft sleeve 101, a second oil duct 122 which is radially arranged is arranged on the main shaft 12 in the protective cover 14, the second oil duct 122 is communicated with the inner cavity of the protective cover 14, the first oil duct 121 is communicated with the second oil duct 122, a third oil duct 100 is formed between the protective cover 14 and the first gear 15, one end of the third oil duct 100. When the oil pump 17 is started, the lubricating oil can be sprayed into the inner cavity of the limiting shaft sleeve 101 from the nozzle of the electric second oil pipe 20, and then flows into the protective cover 14 from the inner cavity along the first oil passage 121 and the second oil passage 122 of the main shaft, so that the protective cover 14 flows onto the first gear 15, and then flows into the cavity 111 of the lower housing 11 from the third oil passage 100 between the first gear 15 and the protective cover 14, thereby realizing a top-down lubricating system and ensuring the normal operation of the first gear 15 and the driving assembly 16.

The limiting shaft sleeve 101 is provided with a step hole 103 penetrating through the upper end surface and the lower end surface of the limiting shaft sleeve, the step hole 103 comprises a primary step surface and a secondary step surface arranged below the primary step surface, and the main shaft 12 extends into the upper shell 10 through the step hole 103; the upper end of the pressing sleeve 21 is arranged on a first-stage step surface, the lower end of the pressing sleeve 21 extends towards a second-stage step surface, an annular base 22 is arranged on the second-stage step surface, a combined sealing element 23 is arranged on the annular base 22, a first spring 24 is arranged between the annular base 22 and the combined sealing element 23, a pressing block 123 which protrudes outwards is fixed on the outer circumferential side wall of the upper end of the main shaft 12, the protruding block 23 and the main shaft 12 are integrated, the protruding block 123 is a small protrusion, the upper end surface of the protruding block is an inclined surface, when the main shaft 12 is arranged in the limiting shaft sleeve 101, the main shaft 12 can smoothly pass through the combined sealing element 23, the upper end of the main shaft 12 passes through the annular base 22, the pressing block 123 on the combined sealing element 23 is pressed on the upper end of the combined sealing element 23, the pressing block 123 improves the sealing effect of the combined sealing element, the pressing sleeve 21 prevents the composite seal 23 from coming off the main shaft 12 when the main shaft 12 makes a circumferential oscillation.

The combined sealing element 23 comprises a sealing ring 231 made of rubber and an annular steel plate 232 embedded in the sealing ring 231, a first annular groove 221 which is recessed downwards is arranged on the upper end surface of the annular base 22, a second annular groove 233 is arranged on the lower end part of the sealing ring 231, the lower end part of the first spring 24 is arranged in the first annular groove 221, the upper end part of the first spring 24 is arranged in the second annular groove 233, the first spring 24 is firmly arranged, the main shaft 12 can be tightly attached to the main shaft 12 when the main shaft 24 swings due to the first spring 24, a third annular groove 234 is arranged on the upper end part of the sealing ring 231, an annular convex block 235 is arranged on one side wall of the third annular groove 234, when the combined sealing element 23 is connected with the, the pressing block 123 is pressed on the annular convex block 235, the lower end surface of the pressing sleeve 21 is provided with a convex ring 211 which protrudes downwards, when the pressing sleeve 21 is fixed on the upper machine shell 10 by screw threads, the male ring 211 extends into the third annular groove 234 to press against the composite seal 23.

The check valve 18 comprises an upper valve body 181, a lower valve body 182, a combined filtering baffle 183, a limiting ball 184 and a second spring 185, the combined filtering baffle 183 comprises a rubber ring 1831 and a filtering plate 1833 with a plurality of filtering holes 1832, the number of the filtering holes 1832 is seven in this embodiment, the rubber ring 1831 is sleeved on the filtering plate 1833, the upper valve body 181 and the lower valve body 182 are both connected with the upper end flanging bolt of the upper housing 10, the upper end of the lower valve body 182 is provided with a second groove 1821, the combined filtering baffle 183 is installed in the second groove 1821, the upper valve body 181 presses the rubber ring 1831 to be connected with the lower valve body 182 in a sealing manner, the lower end of the lower valve body 182 is provided with a conical oil hole 1822 communicated with the second groove 1821, and the limiting ball is placed in the oil hole 1822. A positioning sleeve protruding downward is fixed to the lower end surface of the filter plate 1833, one end of the second spring 185 is installed in the positioning sleeve on the filter plate 1833, and the other end thereof is pressed against the position-limiting ball 184.

Example 2

Embodiment 2 has substantially the same features as embodiment 1, except that in embodiment 2, a first cover plate 25 and a second cover plate 26 for covering the second oil pipe 20 and the limiting sleeve 101 are respectively fixed on the upper end surface of the upper housing 10, the spray head 27 is installed at the end of the second oil pipe 20 in the limiting sleeve 101, the oil baffle assembly 28 is installed on the inner end surface of the second cover plate 26, the oil baffle assembly 28 includes a first bearing 281, a rotating rod 282 and an oil baffle 283, the first bearing 281 is fixed on the second cover plate 26, one end of the rotating rod 282 is installed on the first bearing 281, the other end of the rotating rod is fixedly connected with the oil baffle 283, the spray nozzle of the spray head 27 faces the oil baffle 283, when the spray head 27 sprays lubricating oil, the oil is sprayed onto the oil baffle 283, and the oil baffle 283 rotates under the impact of the oil, thereby dispersing the oil around.

Example 3

Embodiment 3 has substantially the same features as embodiment 1, except that the driving assembly 16 in embodiment 3 further includes a positioning sleeve 162, a connecting shaft 163 and a driving wheel 164, the connecting shaft 163 is installed in the positioning sleeve 162, both ends of the connecting shaft 163 are installed on the positioning sleeve 162 through a second bearing 165, one end of the connecting shaft 163 is fixedly connected with the second gear 161, the other end of the connecting shaft 163 is fixedly connected with the driving wheel 164, the driving wheel 164 drives the second gear 161 to rotate through the connecting shaft 163, the inner end of the positioning sleeve 162 is limited in the cavity 111, and a flange at the outer end of the positioning sleeve 162 is fixed to the lower housing 11 by a bolt.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A cone crusher with an oil way system comprises an upper machine shell (10), a lower machine shell (11), a main shaft (12), a movable cone (13), a protective cover (14), a first gear (15) and a driving assembly (16), wherein the upper machine shell (10) is in bolt connection with the lower machine shell (11), the movable cone (13) is fixed at the lower end part of the main shaft (12) and is arranged in the lower machine shell (11), the lower end part of the movable cone (13) is provided with a first concave groove (131) which is inwards concave, the protective cover (14) is in sealing connection with the lower machine shell (11), the other end of the protective cover (14) extends into the first concave groove (131) of the movable cone (13), the outer circumferential side wall of the protective cover (14) is in sealing connection with the movable cone (13), the first gear (15) is arranged between the lower machine shell (11) and the protective cover (14), the first gear (15) is connected with the lower end part of the main shaft (12) and drives the main shaft to swing, the lower end part of the lower machine, the driving assembly (16) comprises a second gear (161), the second gear (161) is meshed with the first gear (15), a limiting shaft sleeve (101) is fixed at the axis of the upper end of the upper machine shell (10), two sides of the limiting shaft sleeve (101) are fixedly connected with the inner wall of the upper machine shell (10) through connecting rods (102), the upper end of the main shaft (12) is installed in the limiting shaft sleeve (101), and the upper end of the main shaft (12) is connected with the limiting shaft sleeve (101) in a sealing mode; the method is characterized in that: the oil pump is characterized by further comprising an oil pump (17), a one-way valve (18) is fixed at the lower end of a turned edge at the upper end of the upper shell (10), the oil pump (17) is connected with the one-way valve (18) through a first oil pipe (19), the one-way valve (18) is communicated with the inner cavity of the limiting shaft sleeve (101) through a second oil pipe (20), a first oil duct (121) is arranged on the central axis of the main shaft (12), the first oil duct (121) is communicated with the inner cavity of the limiting shaft sleeve (101), a second oil duct (122) which is radially arranged is arranged on the main shaft (12) in the protective cover (14), the second oil duct (122) is communicated with the inner cavity of the protective cover (14), the first oil duct (121) is communicated with the second oil duct (122), a third oil duct (100) is formed between the protective cover (14) and the first gear (15), one end of the third oil duct (100) is communicated with the inner.

2. The cone crusher with oil circuit system as claimed in claim 1, wherein: a step hole (103) penetrating through the upper end surface and the lower end surface of the limiting shaft sleeve (101) is formed in the limiting shaft sleeve (101), the step hole (103) comprises a primary step surface and a secondary step surface arranged below the primary step surface, and the main shaft (12) extends into the upper shell (10) through the step hole (103); the combined sealing device is characterized by further comprising a pressing sleeve (21), an annular base (22) is installed on the secondary step surface, a combined sealing element (23) is installed on the annular base (22), a first spring (24) is installed between the annular base (22) and the combined sealing element (23), an outward convex pressing block (123) is fixed on the outer circumferential side wall of the upper end of the main shaft (12), the upper end of the main shaft (12) penetrates through the annular base (22), the pressing block (123) on the main shaft after the combined sealing element (23) is combined and pressed on the upper end of the combined sealing element (23), and the pressing sleeve (21) is in threaded connection with the upper end of the step hole (103) and pressed on the combined sealing element (.

3. The cone crusher with oil passage system as claimed in claim 2, wherein: the combined sealing element (23) comprises a sealing ring (231) made of rubber and an annular steel plate (232) embedded in the sealing ring (231), a first annular groove (221) is formed in the annular base (22), a second annular groove (233) is formed in the lower end portion of the sealing ring (231), the lower end portion of the first spring (24) is installed in the first annular groove (221), the upper end portion of the first spring (24) is installed in the second annular groove (233), a third annular groove (234) is formed in the upper end portion of the sealing ring (231), an annular convex block (235) is arranged on one side wall of the third annular groove (234), and when the combined sealing element (23) is connected with the main shaft (12), the pressing block (123) is pressed on the annular convex block (235), the lower end surface of the pressing sleeve (21) is provided with a convex ring (211) which protrudes downwards, when the pressing sleeve (21) is fixed on the upper shell (10) by screw thread, the convex ring (211) extends into the third annular groove (234) and presses on the combined sealing element (23).

4. The cone crusher with oil passage system as claimed in claim 2, wherein: the check valve (18) comprises an upper valve body (181), a lower valve body (182), a combined filtering baffle (183), a limiting ball (184) and a second spring (185), the combined filtering baffle (183) comprises a rubber ring (1831) and a filter plate (1833) with a plurality of filtering holes (1832), the rubber ring (1831) is sleeved on the filter plate (1833), the upper valve body (181) and the lower valve body (182) are connected with a flanging bolt at the upper end of an upper machine shell (10), a second groove (1821) is arranged at the upper end of the lower valve body (182), the combined filtering baffle (183) is installed in the second groove (1821), the upper valve body (181) presses the rubber ring (1831) to be connected with the lower valve body (182) in a sealing manner, a conical oil hole (1822) communicated with the second groove (1821) is arranged at the lower end of the lower valve body (182), the limiting ball (184) is placed in the oil hole (1822), one end of the second spring (185) is installed on the filter plate (183, the other end of the connecting rod is arranged on a limiting ball (184).

5. The cone crusher with oil circuit system as claimed in claim 1, wherein: the upper end face of upper casing (10) is fixed with first apron (25) and second apron (26) that are used for covering second oil pipe (20) and spacing axle sleeve (101) respectively, shower nozzle (27) are installed to the tip of second oil pipe (20) in spacing axle sleeve (101), oil baffle subassembly (28) are installed to second apron (26) terminal surface, oil baffle subassembly (28) are including first bearing (281), rotary rod (282) and oil baffle (283), first bearing (281) are fixed on second apron (26), rotary rod (282) one end is installed on first bearing (281), its other end and oil baffle (283) fixed connection, the spout of shower nozzle (27) is just to oil baffle (283).

6. The cone crusher with oil circuit system as claimed in claim 1, wherein: drive assembly (16) still includes location axle sleeve (162), connecting axle (163) and drive wheel (164), connecting axle (163) are installed in location axle sleeve (162), the both ends of connecting axle (163) are all installed on location axle sleeve (162) through second bearing (165), connecting axle (163) one end and second gear (161) fixed connection, the other end and the drive wheel (164) fixed connection of connecting axle (163), location axle sleeve (162) inner is spacing in cavity (111), the flange and lower casing (11) bolt fastening of location axle sleeve (162) outer end.