CN217774220U

CN217774220U - Cone crusher fixed cone lining plate supporting structure

Info

Publication number: CN217774220U
Application number: CN202221432791.1U
Authority: CN
Inventors: 陈燕珠; 姜俊雄
Original assignee: Nanchang Mineral Systems Group Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-11
Anticipated expiration: 2032-06-09

Abstract

The utility model discloses a cone crusher decides awl welt bearing structure, including last frame, deciding the awl welt, support ring and bolt group, decide the awl welt and install in last frame, the support ring is installed in last frame lower part, and the awl welt is decided to the bearing to fill the filler between deciding the awl welt and going up the frame, evenly seted up the bolt mounting hole on going up frame and the support ring, decide the awl welt and pass through bolt group and close bolt mounting hole pressure fastening and decide, go up the frame and the support ring has evenly seted up a plurality of centering holes, is provided with centering connecting piece in the centering hole. The utility model discloses a centering connecting piece provides direction and location for the cooperation of last frame and support ring, makes things convenient for both adaptation installations, can share the stress that bolt group bore at the operation in-process simultaneously to avoided the fatigue fracture that the connecting bolt between deciding awl welt and frame produced, and centering connecting piece simple to operate, it is efficient to change, also can greatly reduced cost of maintenance.

Description

Cone crusher fixed cone lining plate supporting structure

Technical Field

The utility model belongs to the crushing equipment field, concretely relates to cone crusher fixed cone welt bearing structure.

Background

Single-cylinder hydraulic cone crushers play an extremely important role in the field of crushing engineering. The single-cylinder hydraulic cone crusher plays an indispensable important role in the crushing industry due to the characteristics of large crushing force, high production efficiency, lamination crushing, uniform grain shape of finished products, low consumption of consumable parts, low operation cost and the like. The fixed cone lining plate is an important component of the crushing cavity, incoming materials are crushed through the gap and relative movement between the movable lining plate and the fixed cone lining plate, and therefore the fixed structure of the fixed cone lining plate is of great importance. The existing fixed cone lining plate mounting modes mainly adopt the following two types: (1) the fixed cone lining plate is directly connected with the upper frame by bolts; (2): the fixed cone lining plate is fixed on the support ring, and the support ring is connected with the upper frame through a bolt so as to fix the upper frame and the fixed cone lining plate; in the working process of the crusher, the main shaft assembly continuously rotates, so that a connecting bolt between the fixed cone lining plate and the frame is subjected to continuous shearing force, fatigue fracture is easily caused, the lining plate is loosened, the frame is abraded to a relative degree, the frame is one of the bearing key parts, and the working reliability of the whole device is directly determined by the strength reliability of the frame.

Disclosure of Invention

An object of the utility model is to provide a cone crusher decides awl welt bearing structure can improve and decides the awl welt installation fixed, avoids breaker operation in-process bolt fracture to lead to deciding the awl welt not hard up.

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides a cone crusher decides awl welt bearing structure, includes the frame, decides the awl welt, support ring and bolt group, decides the awl welt and installs in last frame, and the support ring is installed in last frame lower part, and the awl welt is decided in the bearing to packing is packed between deciding the awl welt and going up the frame, has evenly seted up the bolt mounting hole on going up frame and the support ring, decides the awl welt and closes the bolt mounting hole pressure fastening through bolt group and decide, goes up frame and support ring and has evenly seted up a plurality of centering holes, is provided with centering connecting piece in the centering hole.

Furthermore, the centering connecting piece is a centering bolt, one end of the centering bolt is a screw rod guide end, the other end of the centering bolt is a threaded end, and a bolt head is arranged at the end part of the screw rod guide end.

Further, the outer diameter of the bolt head is smaller than that of the guide end of the screw rod.

Furthermore, the centering hole comprises an upper frame centering hole arranged on the upper frame and a support ring centering hole arranged on the support ring, the support ring centering hole is a through hole, and the upper frame centering hole is a blind hole.

Furthermore, the support ring centering holes and the upper frame centering holes are sequentially and alternately arranged to be unthreaded holes and threaded holes.

Furthermore, the centering connecting piece is a guide pin, the outer edge of one end of the guide pin is provided with a rotation preventing bulge, the other end of the guide pin is a guide end of the guide pin, and a limiting plate is arranged between the rotation preventing bulge and the guide end of the guide pin.

Furthermore, the centering hole comprises an upper frame centering hole arranged on the upper frame and a support ring centering hole arranged on the support ring, the support ring centering hole is a through hole, the upper frame centering hole is a blind hole, and an anti-rotation bulge is arranged in the upper frame centering hole and matched with and inserted into a limiting groove.

Furthermore, a limiting elastic sheet is arranged between the anti-rotation protrusion and the limiting groove.

Furthermore, spacing shell fragment is slope book structure, and spacing shell fragment one end is fixed on preventing changeing the arch, and the other end is the free end, and the free end passes the limiting plate and extends to between limiting plate and the support ring.

Further, the bolt mounting hole is a through hole.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a centering connecting piece provides direction and location for the cooperation of last frame and support ring, make things convenient for both adaptation installations, centering connecting piece is in the working process of breaker continuation simultaneously, receive the shearing force because of the rotation of main shaft assembly, fatigue fracture inevitably can take place, and the stress that bolt group bore at the operation in-process has been shared in the existence of centering connecting piece, thereby the fatigue fracture that connecting bolt between deciding awl welt and frame produced has been avoided, and centering connecting piece simple to operate, it is efficient to change, also can greatly reduced cost of maintenance. The combined installation of the filler, the bolt group and the centering connecting piece greatly improves the stability of the fixed cone lining plate in the working state, prolongs the service life of the lining plate and improves the production efficiency.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of a structure of a centering bolt according to embodiment 1;

FIG. 3 is a schematic view of an upper frame structure according to embodiment 1;

FIG. 4 is a schematic view of a support ring structure according to embodiment 1;

FIG. 5 is a schematic structural view of embodiment 2;

FIG. 6 is a schematic view of a pin structure according to embodiment 2;

in the figure: 1. the structure comprises an upper frame, 101 upper frame through holes, 102 upper frame centering holes, 2 fixed cone lining plates, 3 fillers, 4 centering bolts, 401 threaded ends, 403 screw rod guide ends, 5 support rings, 501 support ring through holes, 502 support ring centering holes, 6 bolt groups, 7 guide pins, 701 anti-rotation protrusions, 702 guide pin guide ends, 703 limiting plates, 8 limiting grooves, 9 limiting elastic sheets and 901 free ends.

Detailed Description

Example 1

Referring to fig. 1 to 4, a cone crusher decides awl welt bearing structure, including last frame 1, decide awl welt 2, support ring 5 and bolt group 6, decide awl welt 2 and install in last frame 1, support ring 5 is installed in last frame 1 lower part, awl welt 2 is decided to the bearing, and fill filler 3 between deciding awl welt 2 and last frame 1, the bolt mounting hole has evenly been seted up on going up frame 1 and the support ring 5, it is fixed that deciding awl welt 2 cooperates bolt mounting hole pressure through bolt group 6, go up frame 1 and support ring 5 and evenly seted up a plurality of centering holes, be provided with centering connecting piece 6 in the centering hole. The utility model discloses a centering connecting piece 6 provides direction and location for the cooperation of last frame 1 and support ring 5, make things convenient for both adaptation installations, centering connecting piece 6 is in the working process of breaker continuation simultaneously, receive the shearing force because of the rotation of main shaft assembly, fatigue fracture inevitably can take place, and the stress that bolt group 6 bore at the operation in-process has been shared in centering connecting piece 6's existence, thereby the fatigue fracture that the connecting bolt between fixed cone welt 2 and frame produced has been avoided, and centering connecting piece 6 simple to operate, change efficiently, also can greatly reduced cost of maintenance. The combined installation of the filler 3, the bolt group 6 and the centering connecting piece 6 greatly improves the stability of the fixed cone lining plate 2 in the working state, prolongs the service life of the lining plate and improves the production efficiency.

The centering connecting piece 6 is a centering bolt 4, one end of the centering bolt 4 is a screw rod guide end, the other end of the centering bolt is a threaded end, and a bolt head is arranged at the end part of the screw rod guide end. The centering bolt 4 is adopted as the centering connecting piece 6, so that the structure is simple, the realization is convenient, and the strength can be enough.

Wherein the outer diameter of the bolt head is smaller than the outer diameter of the screw rod guide end. The screw guide end of the centering bolt 4 can conveniently penetrate through the centering hole.

The centering holes comprise an upper frame centering hole 102 arranged on the upper frame 1 and a support ring centering hole 502 arranged on the support ring 5, the support ring centering hole 502 is a through hole, and the upper frame centering hole 102 is a blind hole. The through-hole can guarantee that follow-up centering 4 can drop from the through-hole automatically after the fracture, makes things convenient for the personnel of patrolling and examining in time to discover the problem.

Wherein, the support ring centering holes 502 and the upper frame centering holes 102 are alternately arranged into smooth holes and threaded holes in sequence. The threaded hole is convenient to be pre-installed in a matching mode with the threaded end of the centering bolt 4, and the unthreaded hole is convenient to be matched with the screw rod guide end of the centering bolt 4, so that the guiding and positioning effects are achieved.

In the actual installation process, firstly, the fixed cone lining plate 2 is flatly placed above the support ring 5, the support legs are fixed in a semicircular groove of the installation surface of the support ring 5, then the threaded end of the centering bolt 4 is in threaded fit connection with the centering hole 502 of the support ring, then the inner wall of the upper frame 1 is in contact fit with the outer wall of the fixed cone lining plate 2, so that the guide end of the screw rod is centered in the centering hole 102 of the upper frame (or the threaded end is in threaded fit connection with the centering hole 102 of the upper frame, and then the inner wall of the upper frame 1 is in contact fit with the outer wall of the fixed cone lining plate 2, so that the guide end of the screw rod is centered in the centering hole 502 of the support ring); and then the bolt group 6 is connected through the upper frame through hole 101 and the support ring through hole 501 to further fix the upper frame 1 and the fixed cone lining plate 2, wherein the upper frame through hole 101 and the support ring through hole 501 are bolt mounting holes on the upper frame 1 and the support ring 5. And finally filling a filler 3 into a gap between the fixed cone lining plate 2 and the upper frame 1. Based on the steps, the fixed installation of the fixed cone lining plate 2 can be completed. The utility model discloses when the installation, centering bolt 4 is earlier than bolt group 6 installation, can guarantee that the through-hole of 1 bolt group 6 of frame can all the time with support ring 5 bolt mounting hole in, need not to carry out the fixed connection between the further adjustment can the completion support body.

Example 2

Referring to fig. 5 to 6, the centering connecting member 6 may also be a guide pin 7, one end of the guide pin 7 is provided with an anti-rotation protrusion 701 on the outer edge, the other end is a guide pin guiding end 702, and a limiting plate 703 is disposed between the anti-rotation protrusion 701 and the guide pin guiding end 702. Adopt mode of pilot pin 7 then more easy to assemble, between insert pilot pin 7 the centering hole can, in last frame 1 and adapter ring installation, its limiting plate 703 then is located between frame 1 and the adapter ring, prevents that follow-up during operation from dropping from the adapter ring through-hole to it is also very convenient that follow-up dismantlement installation pilot pin 7 is also convenient even split the back and also takes out. And the design has the anti-rotation protrusion 701, prevents the guide pin 7 from rotating when the crusher works, thereby influencing the connection strength.

The centering hole comprises an upper frame centering hole 102 arranged on the upper frame 1 and a support ring centering hole 502 arranged on the support ring 5, the support ring centering hole 502 is a through hole, the upper frame centering hole 102 is a blind hole, and a limit groove 8 into which an anti-rotation protrusion 701 is inserted in a matched mode is arranged in the upper frame centering hole 102. Spacing groove 8 can make things convenient for and prevent that the cooperation of commentaries on classics arch 701 inserts to play the limiting displacement who prevents the rotation, the through-hole then plays the automatic through-hole that drops of following guide pin 7 fracture back equally, and the personnel of conveniently patrolling and examining in time discover the problem.

Wherein, a limit shrapnel 9 is also arranged between the anti-rotation bulge 701 and the limit groove 8. The limiting elastic sheet 9 is arranged in the centering hole 102 of the upper frame when the guide pin 7 is arranged, can limit the position between the limiting groove 8, prevents the dead weight from dropping, and facilitates the centering and positioning of the adapter ring

The limiting elastic sheet 9 is of a slope-fold structure, one end of the limiting elastic sheet 9 is fixed on the anti-rotation protrusion 701, the other end of the limiting elastic sheet is a free end 901, and the free end 901 penetrates through the limiting plate 703 and extends to a position between the limiting plate 703 and the support ring 5. The slope folding structure is simple and convenient, and after the subsequent guide pin 7 is broken, the free end 901 is directly pulled, and the guide pin 7 is pulled out of the upper frame centering hole 102.

Wherein, the bolt mounting hole is a through hole.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 cone crusher fixed cone welt bearing structure, characterized by: the centering device comprises an upper frame, a fixed cone lining plate, a support ring and a bolt group, wherein the fixed cone lining plate is installed in the upper frame, the support ring is installed on the lower portion of the upper frame and supports the fixed cone lining plate, filler is filled between the fixed cone lining plate and the upper frame, bolt mounting holes are uniformly formed in the upper frame and the support ring, the fixed cone lining plate is pressed and fixed through bolt group assembling bolt mounting holes, a plurality of centering holes are uniformly formed in the upper frame and the support ring, and centering connecting pieces are arranged in the centering holes.

2. The cone crusher fixed cone liner support structure of claim 1, wherein: the centering connecting piece is a centering bolt, one end of the centering bolt is a screw rod guide end, the other end of the centering bolt is a threaded end, and a bolt head is arranged at the end part of the screw rod guide end.

3. The cone crusher fixed cone liner support structure of claim 2, wherein: the outer diameter of the bolt head is smaller than the outer diameter of the screw rod guide end.

4. The cone crusher fixed cone liner support structure of claim 3, wherein: the centering hole comprises an upper frame centering hole arranged on the upper frame and a support ring centering hole arranged on the support ring, the support ring centering hole is a through hole, and the upper frame centering hole is a blind hole.

5. The cone crusher fixed cone liner support structure of claim 4, wherein: the support rings and the upper frame are sequentially and alternately arranged into unthreaded holes and threaded holes.

6. The cone crusher fixed cone liner support structure according to claim 1, wherein: centering connecting piece is the pilot pin, and pilot pin one end is followed outward and is prevented changeing the arch, and the other end is the pilot pin direction end, prevents changeing and is provided with the limiting plate between protruding and the pilot pin direction end.

7. The cone crusher fixed cone liner support structure of claim 6, wherein: the centering hole comprises an upper frame centering hole arranged on the upper frame and a support ring centering hole arranged on the support ring, the support ring centering hole is a through hole, the upper frame centering hole is a blind hole, and an anti-rotation bump is arranged in the upper frame centering hole and is matched with and inserted into a limiting groove.

8. The cone crusher fixed cone liner support structure of claim 7, wherein: a limiting elastic sheet is also arranged between the anti-rotation bulge and the limiting groove.

9. The cone crusher fixed cone liner support structure of claim 8, wherein: spacing shell fragment is slope book structure, and spacing shell fragment one end is fixed on preventing changeing the arch, and the other end is the free end, and the free end passes the limiting plate and extends to between limiting plate and the support ring.

10. The cone crusher fixed cone liner support structure of claim 1, wherein: the bolt mounting hole is a through hole.