CN215783587U - Moving cone lining of multi-cylinder cone crusher - Google Patents

Abstract

The utility model discloses a moving cone bushing of a multi-cylinder cone crusher, which comprises a moving cone bushing, wherein the moving cone bushing sequentially comprises an upper bushing, a transition region, a lower bushing and a mounting flange from top to bottom, the upper bushing, the transition region and the lower bushing are all designed in a stepped annular mode, and the transition region is designed in a hollowed-out mode. The upper bushing, the transition area and the lower bushing are designed in a stepped ring shape, so that the processing technology requirement of the moving cone bushing can be simplified, the moving cone bushing is convenient to mount and dismount and blank casting, and the moving cone bushing is convenient to dismount from the upper moving cone by using a dismounting tool when the moving cone bushing is replaced by the crusher. And the transition area adopts the fretwork design, then can both satisfy the unobstructed and radiating requirement of breaker lubricated oil circuit, has alleviateed the weight of moving the awl bush again, has simplified the processing technology of moving the awl bush simultaneously.

Description

Moving cone lining of multi-cylinder cone crusher

Technical Field

The utility model belongs to the field of mining equipment, and particularly relates to a moving cone bushing of a multi-cylinder cone crusher.

Background

The crushing principle of the multi-cylinder hydraulic cone crusher is as follows: the working parts of the multi-cylinder hydraulic cone crusher consist of two truncated cones, namely a moving cone and a fixed cone. The during operation motor passes through belt pulley, transmission shaft, pinion, gear wheel and drives eccentric cover rotatory, and eccentric cover drive moves the awl and makes the pendulum motion soon along the internal surface, is close to the place of deciding the awl, and the material receives the extrusion and the bending of awl and is broken, and the place of deviating from the deciding the awl, broken material falls from the awl end owing to the action of gravity, and whole breakage is gone on in proper order with the process of unloading in succession along the internal surface. The release oil cylinder part consists of six release oil cylinders 3, three energy accumulators and connecting pipelines. The release oil cylinder mainly plays a role in iron passing protection and cavity cleaning and is used for absorbing and buffering the jumping impact phenomenon of the adjusting ring caused by a small number of hard materials during normal crushing.

A movable cone lining of a multi-cylinder hydraulic cone crusher is assembled and fixed on a movable cone, the inner circle of a lower lining of the movable cone lining is matched with an eccentric sleeve, the inner circle of an upper lining is in supporting contact with a spherical surface when the crusher is in no-load operation, an eccentric assembly rotates along with a main shaft when the crusher is in operation, the eccentric sleeve acts on the movable cone lining to drive the movable cone assembly to do rotary oscillation motion, crushing force is obtained and is transmitted to the movable cone and the movable cone lining from a movable cone lining plate, and then is transmitted to the eccentric assembly and the main shaft, the movable cone lining is designed to be thin-walled and is made of relatively soft materials, so the movable cone lining is a critical part of the multi-cylinder cone crusher, the whole set of the movable cone is strong in bearing capacity, small in friction coefficient, good in lubricating effect, good in heat dissipation effect, installation and maintenance and the like, and the movable cone lining directly influences the performance of the whole crusher.

At present, a multi-moving cone bushing of a multi-cylinder cone crusher adopts a split structure, and the multi-moving cone bushing has the following defects: 1. the movable cone upper bushing is welded and fixed with the movable cone through a fixed block, and the fixed block has the hidden trouble of falling off when the crusher works; 2. the upper bushing of the movable cone is difficult to install and disassemble in the movable cone, and the lower bushing of the movable cone needs to be disassembled or the upper bushing of the movable cone needs to be cut and taken out when the movable cone is replaced; 3. the parts cost, the management cost and the installation cost are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moving cone bushing of a multi-cylinder cone crusher, which is convenient to mount and dismount, strong in bearing capacity and long in service life.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a multi-cylinder cone crusher moves awl bush, is the upper liner from top to bottom including moving the awl bush, moves the awl bush, and transition zone, lower liner and mounting flange are gone up bush, transition zone and lower liner and all adopt the design of stepped ring form, and the transition zone adopts the fretwork design. Go up the bush and move awl internally mounted hole cooperation, lower bush and move awl outer end mounting hole cooperation, the transition zone is in between moving awl internally mounted hole and the outer end mounting hole, moves the awl bush and moves the awl and adopt little excessive cooperation, will move awl bush two hours with dry ice refrigeration in advance during the installation, and the awl bush will be moved to the refrigerated awl bush and move the awl fixed through mounting flange with the bolt in placing and moving the awl mounting hole. When the crusher operates in no-load, the inner circle of the upper bushing is in contact with the spherical support, the inner circle of the lower bushing of the movable cone bushing is matched with the eccentric sleeve when the crusher operates, the inner circle of the upper bushing is separated from the spherical support, the eccentric assembly rotates around the main shaft, and the eccentric assembly and the movable cone bushing act to drive the movable cone assembly to perform rotary swing motion, so that the crusher realizes crushing operation.

Further, an upper liner inner diameter d1, a transition zone inner diameter d2, a lower liner inner diameter d3, wherein d1< d3< d 2; an upper bushing outer diameter D1, a transition zone outer diameter D2, a lower bushing outer diameter D3, wherein D1< D2< D3, and D1-D1 ═ D3-D3. D1< D3< D2 simplifies the processing technology requirement of the moving cone bushing, D1< D2< D3 facilitates the installation and the disassembly of the moving cone bushing, and D1-D1 ═ D3-D3 facilitates the blank casting of the moving cone bushing.

Furthermore, the total height H of the upper bushing, the transition area and the lower bushing is smaller than the depth of the mounting hole of the movable cone bushing on the movable cone of the crusher, namely, after the movable cone bushing and the movable cone are mounted, a gap C exists between the top of the movable cone bushing and the movable cone, and C is more than or equal to 8mm and less than or equal to 12 mm. A gap is reserved between the top of the moving cone lining and the moving cone, and when the moving cone lining is replaced by the crusher, the moving cone lining is detached from the upper moving cone by the detaching tool convenient to use.

Furthermore, the transition area adopts a hollow design, and the shape of the hollow part can be round, oval, and the like in smooth connection. The transition area adopts the fretwork design both to satisfy unobstructed and the radiating requirement of breaker lubricated oil circuit, has alleviateed the weight of moving cone bush again, has simplified the processing technology of moving cone bush simultaneously.

Furthermore, the movable cone bushing is integrally cast and then machined and formed by copper alloy.

Furthermore, a gap C between the top of the moving cone bushing and the moving cone is preferably 10 mm.

Furthermore, the hollowed-out design is preferably circular.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the upper bushing, the transition area and the lower bushing are designed in a stepped ring shape, so that the processing process requirement of the moving cone bushing can be simplified, the moving cone bushing is convenient to mount and dismount and blank casting, and the moving cone bushing is convenient to dismount from the upper moving cone by using a dismounting tool when the moving cone bushing is replaced by the crusher. And the transition area adopts the fretwork design, then can both satisfy the unobstructed and radiating requirement of breaker lubricated oil circuit, has alleviateed the weight of moving the awl bush again, has simplified the processing technology of moving the awl bush simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of a crusher mounted in accordance with the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

in the figure: 1. the eccentric assembly comprises an upper bushing, 2 transition regions, 3 lower bushings, 4 mounting flanges, 5 moving cones, 6 moving cone bushings and 7 eccentric assemblies.

Detailed Description

Referring to fig. 1-4, a multi-cylinder cone crusher moves awl bush, includes and moves awl bush 6 and from top to bottom be upper liner 1, transition region 2, lower liner 3 and mounting flange 4 in proper order, and upper liner 1, transition region 2 and lower liner 3 all adopt the design of stepped ring form, and transition region 2 adopts the fretwork design. Go up bush 1 and the cooperation of the 5 internally mounted holes of awl, lower bush 3 with move the cooperation of the 5 outer end mounting holes of awl, transition zone 2 is in between 5 internally mounted holes of awl and the outer end mounting hole, move awl bush 6 and move awl 5 and adopt little excessive cooperation, will move awl bush 6 two hours with the freezing of dry ice in advance during the installation, move awl bush 6 after freezing and place and move 5 mounting holes of awl in, will move awl bush 6 and move 5 fixed with moving awl through mounting flange 4 with the bolt. When the crusher operates in no-load, the inner circle of the upper bushing 1 contacts with the spherical support, the inner circle of the lower bushing 3 of the movable cone bushing 6 is matched with the eccentric sleeve when the crusher operates, the inner circle of the upper bushing 1 is separated from the spherical support, the eccentric assembly 7 rotates around the main shaft, and the eccentric assembly 7 and the movable cone bushing 6 act to drive the movable cone 5 assembly to perform rotary-swing motion, so that the crusher realizes crushing operation.

Wherein, the inner diameter d1 of the upper bushing 1, the inner diameter d2 of the transition area 2 and the inner diameter d3 of the lower bushing 3 are respectively, wherein d1< d3< d 2; upper liner 1 outer diameter D1, transition zone 2 outer diameter D2, lower liner 3 outer diameter D3, wherein D1< D2< D3, and D1-D1 ═ D3-D3. D1< D3< D2 simplifies the processing technology requirement of the moving cone bushing 6, D1< D2< D3 facilitates the installation and the disassembly of the moving cone bushing 6, and D1-D1 ═ D3-D3 facilitates the blank casting of the moving cone bushing 6.

Wherein, the total height H of the upper bushing 1, the transition area 2 and the lower bushing 3 is less than the depth of the mounting hole of the moving cone bushing 6 on the moving cone 5 body of the crusher, namely, after the moving cone bushing 6 and the moving cone 5 are mounted, a gap C exists between the top of the moving cone bushing 6 and the moving cone 5, and C is more than or equal to 8mm and less than or equal to 12 mm. A gap is reserved between the top of the moving cone bushing 6 and the moving cone 5, and when the moving cone bushing 6 is replaced by the crusher, the moving cone bushing 6 is detached from the upper moving cone 5 by the detaching tool convenient to use.

The transition area 2 is designed to be hollow, and the hollow part can be round, oval, or other smooth connection shapes. Transition zone 2 adopts the fretwork design both to satisfy the unobstructed and radiating requirement of breaker lubricated oil circuit, has alleviateed the weight of moving cone bush 6 again, has simplified the processing technology of moving cone bush 6 simultaneously.

Wherein, the movable cone bush 6 is integrally cast and then processed and formed by copper alloy.

Wherein, the gap C between the top of the moving cone bush 6 and the moving cone 5 is preferably 10 mm.

Wherein, the fretwork design is preferably circular.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 (7)

1. The utility model provides a multi-cylinder cone crusher moves awl bush which characterized by: including moving the awl bush, move the awl bush and from top to bottom be last bush, transition district, lower liner and mounting flange in proper order, go up bush, transition district and lower liner and all adopt the annular design of step, the transition district adopts the fretwork design.

2. The multi-cylinder cone crusher moving cone bushing according to claim 1, wherein: an upper liner inner diameter d1, a transition zone inner diameter d2, a lower liner inner diameter d3, wherein d1< d3< d 2; an upper bushing outer diameter D1, a transition zone outer diameter D2, a lower bushing outer diameter D3, wherein D1< D2< D3, and D1-D1 ═ D3-D3.

3. The multi-cylinder cone crusher moving cone bushing according to claim 1, wherein: the total height H of the upper bushing, the transition area and the lower bushing is smaller than the depth of an installation hole of a movable cone bushing on the movable cone of the crusher, namely, after the movable cone bushing and the movable cone are installed, a gap C exists between the top of the movable cone bushing and the movable cone, and C is larger than or equal to 8mm and smaller than or equal to 12 mm.

4. The multi-cylinder cone crusher moving cone bushing according to claim 1, wherein: the transition area adopts a hollow design, and the shape of the hollow part can be round, oval, and the like in smooth connection.

5. The multi-cylinder cone crusher moving cone bushing according to claim 1, wherein: the movable cone lining is integrally cast and then processed and formed by copper alloy.

6. A multicylinder cone crusher moving cone bushing according to claim 3, wherein: the gap C between the top of the moving cone bushing and the moving cone is preferably 10 mm.

7. The multi-cylinder cone crusher moving cone bushing according to claim 4, wherein: the hollowed-out design is preferably circular.

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