CN111151331A - Cone crusher - Google Patents
Cone crusher Download PDFInfo
- Publication number
- CN111151331A CN111151331A CN201811318048.1A CN201811318048A CN111151331A CN 111151331 A CN111151331 A CN 111151331A CN 201811318048 A CN201811318048 A CN 201811318048A CN 111151331 A CN111151331 A CN 111151331A
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- Prior art keywords
- cone
- eccentric body
- assembly
- main shaft
- movable
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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
- B02C2/042—Moved by an eccentric weight
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a cone crusher, which comprises a frame, a motor, a main shaft, an eccentric body, a movable cone assembly, a fixed cone assembly, a bearing assembly and a rotary sealing ring, wherein the eccentric body is arranged on the frame; the eccentric body is designed into an integral structure; the fixed cone assembly is covered on the movable cone assembly and forms a crushing cavity at intervals; the bearing assembly comprises a cylindrical roller bearing and a tapered roller bearing; the upper surface of the rotary sealing ring is an inclined plane with inconsistent horizontal height, the structural design of the rotary sealing ring ensures that dust cannot enter the bearing when the movable cone is continuously raised and lowered in the rotating process, and the design of the eccentric angle of the eccentric body realizes the crushing process that the movable cone assembly is continuously and repeatedly close to and away from the fixed cone assembly in the circumferential direction. This scheme has improved cone crusher's life greatly, has simplified structural design simultaneously, and assembly strength is low, and the assembly is simple.
Description
Technical Field
The invention belongs to the field of mechanical equipment on mines, and particularly relates to a cone crusher.
Background
The cone crusher belongs to the field of mining machinery, is suitable for crushing raw materials in the industries of metallurgy, building, road building, chemistry and silicate, and is divided into a plurality of models according to different crushing principles and different product particle sizes. Because slide bearing plays the core effect in cone crusher, and need generally great, the quantity more, for a long time, the granularity difference is different by broken material intensity, and traditional bearing often can't effectively reduce coefficient of friction, leads to life to shorten. Meanwhile, the problem that a cone crusher which is durable, reliable and high in applicability is urgently needed to be solved is found due to the fact that materials are different greatly.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a cone crusher and solves the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the cone crusher comprises a frame, a motor, a main shaft, an eccentric body, a movable cone assembly, a fixed cone assembly and a bearing assembly;
the main shaft is arranged on the frame; the eccentric body and the movable cone assembly are sequentially sleeved on the main shaft from bottom to top; the eccentric body is designed in an integrated structure and is formed by connecting the bottom of a rotating disc-shaped eccentric body, the middle of a sleeve-shaped eccentric body and the top of the eccentric body, a large bevel gear is arranged on the end face of the bottom of the eccentric body, and the motor drives the large bevel gear to drive the eccentric body to rotate; the fixed cone assembly is covered on the movable cone assembly and forms a crushing cavity at intervals; the bearing assembly comprises a cylindrical roller bearing and a tapered roller bearing, the inner wall of the bottom of the eccentric body is in interference fit with the main shaft through the tapered roller bearing, the inner wall of the top of the eccentric body is in interference fit with the main shaft through the cylindrical roller bearing, the outer wall of the middle of the eccentric body is in interference fit with the inner wall of the movable cone through the tapered roller bearing, and the outer wall of the top of the eccentric body is in interference fit with the inner wall of the movable cone through the cylindrical roller bearing; the rotary sealing ring is connected between the eccentric body and the movable cone body and is an inclined plane with inconsistent horizontal height, the rotary sealing ring takes the main shaft as an axis, and the structural design of the rotary sealing ring ensures that dust is prevented from entering the bearing while the movable cone body is continuously lifted and lowered in the rotating process.
In a preferred embodiment of the present invention, a labyrinth seal structure is disposed on the rotary seal ring.
In a preferred embodiment of the invention, the crushing device further comprises a height adjusting assembly, wherein the height adjusting assembly is arranged between the fixed cone assembly and the movable cone assembly and is used for adjusting the size of the crushing cavity; the height adjusting assembly comprises a wedge-shaped ring arranged on the rack, trapezoidal threads are arranged on the contact surface of the peripheral wall of the wedge-shaped ring and the rack, a groove used for accommodating the wedge-shaped ring is formed in the fixed cone assembly, the opening of the groove faces downwards, and the length of the groove body is smaller than the height of the wedge-shaped ring.
In a preferred embodiment of the invention, the main shaft and the central wheel of the frame are assembled in an interference fit manner, the main shaft has a structure with a reduced diameter from bottom to top, a threaded hole is formed in the end face of the top of the main shaft, and the top of the main shaft is provided with a retaining ring which is used for fixing the main shaft and the cylindrical roller bearing on the inner wall of the middle part of the eccentric body.
In a preferred embodiment of the present invention: the main shaft is provided with an axial and/or radial lubricating oil hole.
In a preferred embodiment of the present invention, the movable cone assembly includes a movable cone, a movable cone lining plate and a movable cone nut, the movable cone is assembled on the eccentric body, and the movable cone lining plate is fixed on the movable cone through the movable cone nut.
In a preferred embodiment of the present invention, the fixed cone assembly includes a fixed cone and a fixed cone lining plate, and the fixed cone lining plate is disposed at the bottom of the fixed cone.
Compared with the background technology, the technical scheme has the following advantages:
1. abandon traditional connected mode, adopt tapered roller bearing and cylindrical roller bearing, the special assembly design between cooperation main shaft and eccentric body, the dynamic cone subassembly realizes possessing less coefficient of friction among the crushing process, effectively strengthens life.
2. The structural design of the eccentric body, the main shaft and the movable cone is greatly simplified under the condition of meeting the crushing condition, the assembly strength is low, and the assembly is simple.
3. The tapered roller bearing can bear radial and axial loads at the same time, so that the transmission efficiency is high, the heat generation is less, the consumption of lubricating oil can be reduced, and the lubrication and maintenance are convenient.
4. The bearing assembly is standardized, serialized, generalized and more convenient to use and maintain.
Drawings
Fig. 1 is a schematic view of a cone crusher.
Fig. 2 is a schematic structural view of the height adjusting assembly.
The novel bearing comprises a fixed cone 1, a fixed cone 2, a wedge ring 3, a fixed cone lining plate 4, a movable cone lining plate 5, a movable cone 6, a labyrinth seal structure 7, a large bevel gear 8, a first tapered roller bearing 11, a second tapered roller bearing 9, a main shaft 10, an eccentric body 12, a rotary seal ring 13, a first cylindrical roller bearing 15, a second cylindrical roller bearing 14, a retainer ring 16, a movable cone nut 90, a frame 21 and a groove.
Detailed Description
Referring to fig. 1, the cone crusher of the present embodiment includes a frame 90, a motor, a main shaft 9, an eccentric body 10, a moving cone assembly, a fixed cone assembly, a bearing assembly, a sealing assembly, and a height adjusting assembly;
as the main shaft 9 of the crusher is fitted, the main shaft 9 is directly fitted with the crusher frame 90.
The eccentric body 10 and the movable cone component are sequentially sleeved on the main shaft 9 from bottom to top; the eccentric body 10 is connected with the main shaft 9 through a bearing, an integrated structure design is adopted, the integrated structure design is formed by connecting the bottom of a rotating disc-shaped eccentric body, the middle of a sleeve-shaped eccentric body and the top of the eccentric body, a large bevel gear 7 is arranged at the bottom of the eccentric body, and the motor drives the large bevel gear 7 to drive the eccentric body to rotate;
the movable cone assembly comprises a movable cone 5, a movable cone lining plate 4 and a movable cone nut 16, wherein the movable cone 5 is assembled on the eccentric body 10, and the movable cone lining plate 4 is fixed on the movable cone 5 through the movable cone nut 16. The fixed cone assembly comprises a fixed cone 1 and a fixed cone lining plate 3, and the fixed cone lining plate 3 is arranged at the bottom of the fixed cone 1. The fixed cone component covers the movable cone component and forms a crushing cavity at intervals, the upper wall of the crushing cavity is a fixed cone lining plate 3, and the lower wall of the crushing cavity is a movable cone lining plate 4.
The bearing assembly comprises a first cylindrical roller bearing, a second cylindrical roller bearing, a first tapered roller bearing and a second tapered roller bearing, the inner wall of the bottom of the eccentric body is in interference fit with the main shaft 9 through the first tapered roller bearing 8, the inner wall of the top of the eccentric body is in interference fit with the main shaft 9 through the first cylindrical roller bearing 13, the outer wall of the middle of the eccentric body is in interference fit with the inner wall of the movable cone body 5 through the second tapered roller bearing 11, and the outer wall of the top of the eccentric body is in interference fit with the inner wall of the movable cone body 5 through the second cylindrical roller bearing 15.
The sealing assembly comprises a rotary sealing ring 12 arranged between an eccentric body 10 and a movable cone 5, the upper surface of the rotary sealing ring 12 is an inclined plane with inconsistent horizontal height, the rotary sealing ring 12 takes a main shaft 9 as an axis and is connected to the eccentric body 10 through threads, and when the eccentric body 10 moves, the rotary sealing ring can move along with the eccentric body 10. The labyrinth seal structure 6 is arranged on the rotary seal ring 12, and the labyrinth seal structures are respectively designed between the rotary seal ring 12 and the movable cone 5 as well as between the rotary seal ring 12 and the frame 90, so that dust or stone is effectively prevented from entering the bearing.
Referring to fig. 2, the height adjusting assembly is disposed between the fixed cone assembly and the movable cone assembly for adjusting the size of the crushing cavity; the height adjusting assembly comprises a wedge-shaped ring 2 arranged on the rack 90, trapezoidal threads are arranged on the contact surface of the peripheral wall of the wedge-shaped ring 2 and the rack 90, a groove 21 used for containing the wedge-shaped ring 2 is formed in the fixed cone assembly, the opening of the groove 21 is downward, and the length of the groove body is smaller than the height of the wedge-shaped ring 2.
In this embodiment, main shaft 9 adopts the interference fit assembly with the centre wheel of frame 90, main shaft 9 is by the lower supreme structure that has the diameter to reduce, including lower section portion and upper segment portion, lower section portion diameter is greater than the upper segment portion, the screw hole is seted up to the top terminal surface of the upper segment portion of main shaft 9, and main shaft 9 top has installed retaining ring 14, the diameter of retaining ring 14 is greater than upper segment portion diameter for the cylindrical roller bearing of fixed main shaft 9 and eccentric body middle part inner wall. This embodiment adopts two cylindrical roller bearings this time, and cylindrical roller bearing's top is spacing by retaining ring 14, and the bottom is supported by lower section portion top, realizes that two cylindrical roller bearings cup joint in upper segment portion steadily.
In order to reduce the friction coefficient, the main shaft 9 is provided with an axial and/or radial lubricating oil hole.
The crushing process of the crusher comprises the following steps: adjust broken chamber size through high adjustment mechanism, the starter motor, motor drive small bevel gear rotates, big bevel gear 7 moves under small bevel gear's drive, because big bevel gear 7 links to each other with eccentric body 10, thereby eccentric body 10 takes place to rotate, eccentric body 10 drives rotary seal ring 12 motion, it prevents inside the dust entering bearing to guarantee to move cone 5 when rotatory process through rotary seal ring 12 design characteristics such as non-level, thereby because the design of eccentric body 10 eccentric angle has realized moving cone 5 and has constantly repeated being close to again keeping away from fixed cone 1 in circumference, realize whole broken process from this.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. A cone crusher, characterized in that: the device comprises a frame, a motor, a main shaft, an eccentric body, a movable cone assembly, a fixed cone assembly, a bearing assembly and a rotary sealing ring;
the main shaft is arranged on the frame; the eccentric body and the movable cone assembly are sequentially sleeved on the main shaft from bottom to top; the eccentric body is formed by connecting the bottom of a rotating disc-shaped eccentric body, the middle of a sleeve-shaped eccentric body and the top of the eccentric body, a large bevel gear is arranged on the end surface of the bottom of the eccentric body, and the motor drives the large bevel gear to drive the eccentric body to rotate; the fixed cone assembly is covered on the movable cone assembly and forms a crushing cavity at intervals; the bearing assembly comprises a cylindrical roller bearing and a tapered roller bearing, the inner wall of the bottom of the eccentric body is in interference fit with the main shaft through the tapered roller bearing, the inner wall of the top of the eccentric body is in interference fit with the main shaft through the cylindrical roller bearing, the outer wall of the middle of the eccentric body is in interference fit with the inner wall of the movable cone through the tapered roller bearing, and the outer wall of the top of the eccentric body is in interference fit with the inner wall of the movable cone through the cylindrical roller bearing; the rotary sealing ring is an inclined plane with inconsistent horizontal height, and is connected between the eccentric body and the movable cone body by taking the main shaft as an axis.
2. A cone crusher in accordance with claim 1, wherein: and a labyrinth seal structure is arranged on the rotary seal ring.
3. A cone crusher in accordance with claim 1, wherein: the height adjusting assembly is arranged between the fixed cone assembly and the movable cone assembly and used for adjusting the size of the crushing cavity; the height adjusting assembly comprises a wedge-shaped ring arranged on the rack, trapezoidal threads are arranged on the contact surface of the peripheral wall of the wedge-shaped ring and the rack, a groove used for accommodating the wedge-shaped ring is formed in the fixed cone assembly, the opening of the groove faces downwards, and the length of the groove body is smaller than the height of the wedge-shaped ring.
4. A cone crusher in accordance with claim 1, wherein: the main shaft adopts interference fit assembly with the centre hub of frame, the main shaft has the structure that the diameter reduces from bottom to top, the screw hole is seted up to the top terminal surface of main shaft, and the main shaft top has installed the retaining ring, the retaining ring is used for the cylindrical roller bearing of fixed main shaft and eccentric body top inner wall.
5. A cone crusher in accordance with claim 1, wherein: the main shaft is provided with an axial and/or radial lubricating oil hole.
6. A cone crusher in accordance with claim 1, wherein: the movable cone assembly comprises a movable cone, a movable cone lining plate and a movable cone nut, the movable cone is assembled on the eccentric body, and the movable cone lining plate is fixed on the movable cone through the movable cone nut.
7. A cone crusher in accordance with claim 1, wherein: the fixed cone assembly comprises a fixed cone and a fixed cone lining plate, and the fixed cone lining plate is arranged at the bottom of the fixed cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318048.1A CN111151331A (en) | 2018-11-07 | 2018-11-07 | Cone crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318048.1A CN111151331A (en) | 2018-11-07 | 2018-11-07 | Cone crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111151331A true CN111151331A (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811318048.1A Pending CN111151331A (en) | 2018-11-07 | 2018-11-07 | Cone crusher |
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| Country | Link |
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| CN (1) | CN111151331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087245A (en) * | 2021-11-30 | 2022-02-25 | 福建南方路面机械股份有限公司 | Hydraulic control system of cone crusher and control method thereof |
-
2018
- 2018-11-07 CN CN201811318048.1A patent/CN111151331A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087245A (en) * | 2021-11-30 | 2022-02-25 | 福建南方路面机械股份有限公司 | Hydraulic control system of cone crusher and control method thereof |
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