CN216605375U

CN216605375U - Self-centering anti-rotation cone crusher counterweight assembly

Info

Publication number: CN216605375U
Application number: CN202122851639.9U
Authority: CN
Inventors: 陈涛
Original assignee: Nanchang Mineral Systems Group Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2021-11-20
Filing date: 2021-11-20
Publication date: 2022-05-27
Anticipated expiration: 2031-11-20

Abstract

The utility model discloses a self-centering anti-rotation cone crusher counterweight assembly, which comprises a counterweight bushing and a counterweight, wherein the counterweight sleeve is arranged on the counterweight bushing; the excircle axial direction of the balance weight bush has certain conicity to form a bulge. The utility model has the advantages of simple structure, strong bearing capacity, reasonable lubricating oil groove design and uniform lubrication, can transmit the lubricating oil to more lubricating surfaces, ensures the lubricating and heat dissipating effects and prolongs the service life.

Description

Self-centering anti-rotation cone crusher counterweight assembly

Technical Field

The utility model belongs to the field of mining equipment, and particularly relates to a self-centering anti-rotation cone crusher counterweight assembly.

Background

The devices of the extrusion crushing principle in crushers are mostly jaw crushers, gyratory crushers and cone crushers of various forms. Jaw breaker considers the meshing angle who moves jaw and decide jaw more, ensure that broken material can have a better centre gripping angle, when the material is cliied to the accuracy, extrude breakage, realize broken purpose, gyratory crusher and cone crusher are mostly two frustums and move the awl promptly and decide the awl and constitute, in the working process, the motor passes through the belt pulley, the transmission shaft, the pinion, the gear wheel drives eccentric cover rotation, eccentric cover drive moves the awl and makes the pendulum motion along the internal surface, be close to the place of deciding the awl, the material is driven the extrusion and the bending of awl and broken, the place of deviating deciding the awl, the material after the breakage falls from the cone bottom at the action of gravity, whole breakage is gone on in proper order along the internal surface with the process of unloading in succession.

In the transmission operation process of the equipment, due to the deviation of the gravity center position and the unbalance problem of the balance weight, the equipment can vibrate in the starting operation process of the equipment, however, the vibration depends on the amplitude and the vibration acceleration of the equipment, in the actual use process, the amplitude displayed outside the equipment is expected to be small, the vibration acceleration is not too large, the equipment is prevented from being impacted on the foundation, the equipment and the foundation fail in advance, and the equipment is not beneficial to long-term safe and effective use. In order to use and operate effectively safely, just need the amplitude that equipment produced in the use to eliminate through certain internal force, the buffering vibration is to the impact of equipment and installation ground, thereby need the counter weight to reduce it, the buffering, because the counter weight of equipment needs to set up according to the vibration of different models, because the gyratory motion is carried out around certain axis to the cone crusher operation in-process, just need inside can store certain lubricating oil, when reducing frictional resistance, reduce the oil temperature, guarantee normal operating, it pollutes to reduce the dust entering system that abominable crushing environment produced.

The design that there is not oil groove of present cone crusher counter weight assembly, the drawback that exists is: 1. the lubricating oil groove is unreasonable in design, so that the lubrication is uneven, the lubricating oil cannot be conveyed to more lubricating surfaces 2, the inner hole straight cylinder circle is not beneficial to the lubricating oil to enter the lubrication, the black bushing 3 is easily burnt due to poor lubrication of the bushing, the service life is long, and the bushing is easy to loosen and rotate.

Disclosure of Invention

The utility model aims to provide a self-centering anti-rotation cone crusher counterweight assembly, which is characterized in that an oil groove is designed to replace a steel part to be in direct contact fit with the steel part, the performance of the crusher counterweight assembly can be improved, the requirements of the counterweight assembly on lubricating oil and the temperature of the lubricating oil can be reduced, the structure is simple, the bearing capacity is high, the maintenance and the use are convenient, and the efficiency is high.

In order to achieve the purpose, the utility model adopts the technical scheme that: a self-centering anti-rotation cone crusher counterweight assembly comprises a counterweight bushing and a counterweight, wherein the counterweight sleeve is arranged on the counterweight bushing, annular oil grooves are formed in the upper end and the lower end of the inner circle of the counterweight bushing, a longitudinal oil groove is formed in the inner wall of the counterweight bushing, the two ends of the longitudinal oil groove are communicated with the upper annular oil groove and the lower annular oil groove, a cone opening is formed in the top of the counterweight bushing, and the cone opening is communicated with the annular oil groove in the upper end of the inner circle of the counterweight bushing; the excircle axial direction of counter weight bush has certain tapering, forms the arch.

Furthermore, the top of the counterweight bushing is provided with a positioning pin and a lifting hole, and the outer edge of the counterweight bushing is also provided with a limiting boss.

Furthermore, the outer circle, the inner circle and the outer circle of the limiting boss use the same axis, and the port of the annular oil groove close to one side of the limiting boss forms an included angle of 45-60 degrees with the axis, preferably 55 degrees.

Furthermore, the annular oil grooves at the upper end and the lower end can deviate from the excircle axis of the limiting boss by 0-4mm, 3.5mm is preferentially adopted on the premise of ensuring the requirement of wall thickness, the position of the annular oil groove at the upper end close to the limiting boss is 6-9mm away from the upper end face, 6mm is preferentially adopted, and the distance of the annular oil groove at the lower end is from the lower end face.

Furthermore, the center position of the longitudinal oil groove deviates 70-90mm from the center position of the inner circle, preferably 82mm, the depth of the longitudinal oil groove close to one side of the positioning pin hole is 6-9mm from the surface of the inner circle, preferably 6mm, the radius of the arc at the intersection of the longitudinal oil groove and the inner circle is R30-40mm, and preferably R30 mm.

Further, the longitudinal oil groove is an arc-shaped groove, and the arc-shaped groove and the inner circle of the balance weight bush form an eccentric convex circle.

Furthermore, the counterweight device further comprises a large gear and a positioning plate, the large gear is installed on the upper surface of the counterweight, the excircle of the counterweight bushing sequentially penetrates through the inner hole and the counterweight inner hole of the large gear, the lower surface of a limiting boss of the counterweight bushing is in surface contact with the upper surface of the inner hole of the large gear and is aligned to the position of the positioning pin hole, the positioning pin sequentially penetrates through the counterweight bushing, the large gear and the counterweight to be in surface contact with the upper surface of the large gear, and the positioning plate covers the upper ends of the large gear and the counterweight bushing.

Compared with the prior art, the utility model has the following beneficial effects: 1. the annular oil groove is seted up at both ends down on the inner circle, and vertical oil groove has been seted up to counter weight bush inner wall, vertical oil groove both ends and upper and lower annular oil groove intercommunication, and lubricating oil slot reasonable in design, it is lubricated even, can convey lubricating oil to more lubricated surfaces. 2. The annular oil groove and the longitudinal oil groove are matched to dynamically store a certain amount of lubricating oil on the surface to be lubricated, so that the lubricating oil can be thoroughly lubricated and absorb heat. 3. Be located the counter weight bush top and seted up the taper mouth, when equipment operation, can make things convenient for in the leading-in annular oil groove of lubricating oil through the taper mouth. 4. The excircle is provided with the arch, and the rotation function is prevented in the centering of effectual messenger's bush installation.

Drawings

FIG. 1 is a schematic view of the cone crusher counterweight assembly of the present invention;

FIG. 2 is a schematic view of the construction of the weight bushing of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a top view of the weight bushing of the present invention;

FIG. 5 is a cross-sectional view of a weight bushing of the present invention;

in the figure: 1 balance weight bush, 1-1 positioning pin hole, 1-2 lifting hole, 1-3 annular oil grooves, 1-4 longitudinal oil grooves, 1-5 inner circles, 1-6 limiting bosses, 1-7 outer circles, 1-8 conical mouths, 2 balance weights, 3 large gears, 4 positioning pins and 5 limiting plates.

Detailed Description

Referring to fig. 1-5, a self-centering anti-rotation cone crusher counterweight assembly comprises a counterweight bushing 1, a counterweight 2, a large gear 3 and a limiting plate 5, wherein annular oil grooves 1-3 are formed at the upper end and the lower end of an inner circle 1-5 of the counterweight bushing 1, a longitudinal oil groove 1-4 is formed in the inner wall of the counterweight bushing 1, the two ends of the longitudinal oil groove 1-4 are communicated with the upper annular oil groove 1-3 and the lower annular oil groove 1-3, a cone opening 1-8 is formed in the top of the counterweight bushing 1, and the cone opening 1-8 is communicated with the annular oil groove 1-3 at the upper end of the inner circle 1-5 of the counterweight bushing 1; the axial direction of the excircle 1-7 of the counterweight bush 1 has a certain taper to form a bulge, the bulge of the excircle 1-7 is matched with the counterweight 2 in a self-centering way, and the bulge of the excircle 1-7 can effectively prevent the counterweight sleeve from rotating.

In order to ensure convenient assembly and disassembly and ensure the stability in the operation process, a positioning pin 1-1 and a lifting hole 1-2 are arranged at the top of the counterweight bushing 1, and a limiting boss 1-6 is arranged at the outer edge of the counterweight bushing.

Wherein, the outer circle 1-6, the inner circle 1-5 and the outer circle 1-7 of the limit boss use the same axis, and the port 1-3 of the annular oil groove close to one side of the limit boss 1-6 forms an included angle of 45-60 degrees with the axis, preferably 55 degrees.

The annular oil grooves 1-3 at the upper end and the lower end can deviate from the excircle axis of the limiting boss 1-6 by 0-4mm, on the premise of ensuring the requirement of wall thickness, the annular oil grooves are preferentially 3.5mm, the positions of the annular oil grooves 1-3 at the upper end close to the limiting boss 1-6 are 6-9mm away from the upper end face, the annular oil grooves are preferentially 6mm, and the annular oil grooves 1-3 at the lower end are flush with the lower end face.

The center of the longitudinal oil groove 1-4 is offset from the center of the inner circle 1-5 by 70-90mm, 82mm is preferably adopted, the depth of the longitudinal oil groove 1-4 close to one side of the positioning pin hole 1-1 and 1-5 mm away from the surface of the inner circle is 6-9mm, 6mm is preferably adopted, the radius of the arc at the intersection of the longitudinal oil groove 1-4 and the inner circle 1-5 is R30-40mm, and R30mm is preferably adopted.

Wherein, the longitudinal oil grooves 1-4 are arc grooves, and the arc grooves and the inner circle 1-5 of the counterweight bush 1 form eccentric convex circles. The longitudinal oil grooves 1-4 are arranged into arc-shaped grooves, so that lubricating oil can be more easily conveyed to the lubricating surface from the longitudinal oil grooves 1-4 to form an oil film, and uniform lubrication is ensured.

The large gear 3 is installed on the upper surface of the balance weight 2, the position of the positioning pin hole needs to be aligned in the installation process, the excircle 1-7 of the balance weight bush 1 sequentially penetrates through the inner hole of the large gear 3 and the inner hole of the balance weight 3, finally the lower surface of the limiting boss 1-6 of the balance weight bush 1 is contacted with the upper surface of the inner hole of the large gear 3 and aligned with the position of the positioning pin hole 1-1, finally the positioning pin 4 is inserted, the positioning pin 4 sequentially penetrates through the balance weight bush 1, the large gear 3 and the balance weight 2 and is contacted with the upper surface of the large gear 3, finally the positioning plate 5 is installed, and the positioning plate 5 covers the upper ends of the large gear 3 and the balance weight bush 1.

When the equipment runs, lubricating oil enters the counterweight 2 from the lower part, meets the limiting plate 5 to change the direction of an oil path and flows to the periphery, enters the annular oil grooves 1-3 through the conical openings 1-8 of the counterweight bushing 1 in the flowing process, and can be discharged through the longitudinal oil grooves 1-4 under the action of gravity, so that the lubrication of the inner circle 1-5 of the counterweight bushing 1 is realized, the heat generated in the relative movement process is taken away, and finally the lubricating oil flows back to the oil tank outside the equipment.

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

1. The utility model provides a from centering prevent rotation cone crusher counter weight assembly, includes counter weight bush and counter weight, and the counter weight cover is established on the counter weight bush, characterized by: annular oil grooves are formed in the upper end and the lower end of the inner circle of the balance weight bush, a longitudinal oil groove is formed in the inner wall of the balance weight bush, the two ends of the longitudinal oil groove are communicated with the upper annular oil groove and the lower annular oil groove, a taper opening is formed in the top of the balance weight bush, and the taper opening is communicated with the annular oil groove in the upper end of the inner circle of the balance weight bush; the excircle axial direction of counter weight bush has certain tapering, forms the arch.

2. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the top of the balance weight bush is provided with a positioning pin and a lifting hole, and the outer edge of the balance weight bush is also provided with a limiting boss.

3. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the outer circle, the inner circle and the outer circle of the limiting boss use the same axis, and an included angle of 45-60 degrees is formed between the port of the annular oil groove close to one side of the limiting boss and the axis.

4. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the annular oil grooves at the upper end and the lower end deviate from the excircle axis of the limiting boss by 0-4mm, the annular oil groove at the upper end close to the limiting boss is 6-9mm far away from the upper end face, and the annular oil groove at the lower end is far away from the flush lower end face.

5. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the center position of the longitudinal oil groove deviates 70-90mm from the center position of the inner circle, the depth of the longitudinal oil groove close to one side of the positioning pin hole is 6-9mm from the surface of the inner circle, and the arc radius of the intersection of the oil groove and the inner circle is R30-40 mm.

6. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the longitudinal oil groove is an arc-shaped groove, and the arc-shaped groove and the inner circle of the counterweight bushing form an eccentric convex circle.

7. The self-centering anti-rotation cone crusher counterweight assembly of claim 1, wherein: the counterweight device is characterized by further comprising a large gear and a positioning plate, the large gear is mounted on the upper surface of the counterweight, the excircle of the counterweight bushing sequentially penetrates through the inner hole of the large gear and the counterweight inner hole, the lower surface of a limiting boss of the counterweight bushing is in surface contact with the upper surface of the inner hole of the large gear and is aligned to the position of the positioning pin hole, the positioning pin sequentially penetrates through the counterweight bushing, the large gear and the counterweight and is in surface contact with the upper surface of the large gear, and the positioning plate covers the upper ends of the large gear and the counterweight bushing.