CN112619836B

CN112619836B - Impact crusher runner

Info

Publication number: CN112619836B
Application number: CN202011504639.5A
Authority: CN
Inventors: 李佳乐; 邱伟; 熊涛; 马里
Original assignee: Chengdu Dahongli Machinery Co Ltd
Current assignee: Chengdu Dahongli Machinery Co Ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2022-05-27
Anticipated expiration: 2040-12-18
Also published as: CN112619836A

Abstract

The invention discloses a runner hub and a runner of an impact crusher, wherein the runner hub comprises a cover plate at the upper end, a bottom plate at the lower end and a side plate which is connected with the cover plate and the bottom plate in the middle, the cover plate and the bottom plate are both in the shape of fan blades, and the side plate is positioned at the edges of the cover plate and the bottom plate; the runner includes runner body and impact piece mechanism, and impact piece mechanism installs on the impact piece mounting panel at both ends about the runner body opening. According to the runner body and the runner of the impact crusher, the cover plate and the bottom plate are changed into the fan blade shape from the round shape, so that the outlines of the runner body and the runner are changed into the fan blade shape, meanwhile, the structures of the impact blocks IV and VI are changed, the number of retainer rings of the runner body is reduced, and further the weight of the runner is reduced. After the weight of the rotating wheel is reduced, the power of the motor output power consumed on the rotation of the rotating wheel per se under the same working condition is reduced, and accordingly the upper limit of the power of the part which can be used for processing the crushed materials is improved to some extent, and further the processing capacity of the whole-center feeding of the crusher is improved.

Description

Impact crusher runner

Technical Field

The invention relates to the field of mining machinery, in particular to a runner hub and a runner of an impact crusher.

Background

An impact crusher is a crushing machine which crushes materials by impacting the materials rotating at a high speed on a lining plate or the materials. The working principle is that the materials are rushed into the crushing cavity at a certain speed under the action of centrifugal force, violently collide with suspended materials and a lining plate in the crushing cavity, then rebound again, collide with the materials emitted from the impeller again, and finally the crushed materials are discharged from the crushing cavity.

The rotating wheel is a main part of the impact crusher, and is used for transmitting torque and rotating at a high speed, materials are fed from the center of the impeller, and are thrown out of the side face of the impeller to the crushing cavity for crushing through the rotation of the impeller.

Among the prior art, the runner body of impact breaker runner is regular circular structure, leads to the runner total weight heavier, and the power that motor output power consumed on runner self pivoted is more, and then leads to the power reduction that can be used to on handling broken material.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a runner hub and a runner of an impact crusher, in which the runner hub is modified into a fan shape to reduce the total weight of the runner and increase the output power of a motor for processing crushed materials, so as to improve the processing capacity of the whole center feeding of the crusher.

In order to achieve the above purpose, the invention adopts the technical scheme that:

the utility model provides an impact crusher runner hub, includes apron of upper end, bottom plate, the curb plate of intermediate junction apron and bottom plate of lower extreme, apron and bottom plate are the flabellum shape.

Furthermore, the side plate is positioned at the edges of the cover plate and the bottom plate, and an opening communicated with the inside is formed in the position, positioned at the sharp end of the shape of the fan blade, on the side plate.

Further, the side plate comprises an impact block mounting plate I and an impact block mounting plate II which are arranged at the left end and the right end of the opening;

the lateral wall of impact block mounting panel I is located the lateral wall inner of apron and bottom plate, the lateral wall of II outer ends of impact block mounting panel with the lateral wall parallel and level of apron and bottom plate.

Furthermore, the outer end of the side plate between the two tips of the fan blade shape is provided with a reinforcing rib I and a reinforcing rib II.

Furthermore, the cover plate and the bottom plate are both provided with a central hole;

preferably, the bottom plate is provided with a runner plate pressing block and a runner plate positioning block.

Based on the runner hub of the impact crusher, the invention also provides the runner of the impact crusher, which comprises the runner hub and the impact block mechanisms, wherein the impact block mechanisms are arranged on the impact block mounting plates at the left end and the right end of the opening of the runner hub.

Further, strike a mechanism and include that first strikes block subassembly and second and strike block subassembly, first strike block subassembly is installed strike on the block mounting panel I, the second strikes block subassembly and installs strike on the block mounting panel II.

Further, the first impact block component comprises an impact block I at the upper end, an impact block II in the middle and an impact block III at the lower end; the second impact block component comprises an impact block IV at the upper end, an impact block V in the middle and an impact block VI at the lower end, the impact block IV extends to the upper side of the cover plate, and the impact block VI extends to the lower side of the bottom plate.

Further, the impact crusher runner further comprises a plurality of wheel body guard rings, and the plurality of wheel body guard rings are installed at the tip ends of the cover plate and the blades of the bottom plate.

Furthermore, the impact crusher rotating wheel also comprises a rotating wheel inlet retainer arranged at the central hole of the cover plate and a material distributing cone arranged at the central hole of the bottom plate.

The invention has the beneficial effects that:

according to the runner body and the runner of the impact crusher, the cover plate and the bottom plate are changed into the fan blade shape from the round shape, so that the outlines of the runner body and the runner are changed into the fan blade shape, meanwhile, the structures of the impact blocks IV and VI are changed, the number of retainer rings of the runner body is reduced, and further the weight of the runner is reduced. After the weight of the rotating wheel is reduced, the power of the motor output power consumed on the rotation of the rotating wheel per se under the same working condition is reduced, and accordingly the upper limit of the power of the part which can be used for processing the crushed materials is improved to some extent, and further the processing capacity of the whole-center feeding of the crusher is improved.

Drawings

FIG. 1 is a schematic view of a runner hub according to the present invention;

FIG. 2 is a schematic structural view of the rotor according to the present invention;

FIG. 3 is a schematic structural diagram of an impact block IV and an impact block VI of the invention;

FIG. 4 is a schematic structural view of a rotating wheel body according to a comparative example;

FIG. 5 is a schematic structural view of a rotor according to a comparative example;

FIG. 6 is a schematic structural view of an impact block IV and an impact block VI of comparative examples;

in the figure: 1. a runner hub; 11. a cover plate; 12. a base plate; 121. pressing the runner plate; 122. a runner plate positioning block; 13. a side plate; 131. an opening; 132. an impact block mounting plate I; 133. an impact block mounting plate II; 134. reinforcing ribs I; 135. reinforcing ribs II; 14. a central bore; 2. an impact block mechanism; 21. an impact block I; 22. an impact block II; 23. an impact block III; 24. an impact block IV; 25. an impact block V; 26. an impact block VI; 3. a wheel retainer; 4. a runner inlet retainer.

In the comparative examples: 01. a runner hub; 011. a cover plate; 012. a base plate; 013. a protection block; 014. reinforcing ribs I; 015. reinforcing ribs II; 021. an impact block I; 022. an impact block II; 023. an impact block III; 024. an impact block IV; 025. an impact block V; 026. an impact block VI; 03. a wheel body guard ring; 04. a runner inlet retainer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A runner hub of an impact crusher comprises a cover plate 11 at the upper end, a bottom plate 12 at the lower end, a side plate 13 connecting the cover plate 11 and the bottom plate 12 in the middle, wherein the cover plate 11 and the bottom plate 12 are both in a fan blade shape, in this embodiment, the cover plate is in a three-fan-blade shape, so that the profile of the runner hub is in a fan blade shape, and the purpose of lightening the runner hub is achieved.

The side plate 13 is located at the edge of the cover plate 11 and the bottom plate 12, an opening 131 communicating the inside is arranged at the tip of the fan blade shape on the side plate 13, and the opening 131 is arranged to allow the material to be thrown out from the opening.

The side plate 13 comprises an impact block mounting plate I132 and an impact block mounting plate II 133 which are arranged at the left end and the right end of the opening 131; the side wall of the impact block mounting plate I132 is positioned at the inner ends of the side walls of the cover plate 11 and the bottom plate 12, and the side wall of the outer end of the impact block mounting plate II 133 is flush with the side walls of the cover plate 11 and the bottom plate 12, so that the impact block on the impact block mounting plate I extends out of the cover plate 11 and the bottom plate 12.

The outer end of the side plate 13 between the two tips of the fan blade shape is provided with a reinforcing rib I134 and a reinforcing rib II 135, the connection between the cover plate 11 and the bottom plate 12 is enhanced, the width of the reinforcing rib is narrower than that of the reinforcing rib in the prior art, so that the reinforcing rib is matched with the shapes of the modified fan-shaped cover plate and the modified bottom plate, the width of the reinforcing rib is narrowed, the weight is reduced, and the appearance of the runner is more attractive. The cover plate 11 and the bottom plate 12 are both provided with a central hole 14, the central hole 14 at the cover plate 11 is used for feeding materials, and the central hole 14 at the bottom plate 12 needs to be sealed by a material dividing cone.

Preferably, the bottom plate 12 is provided with a flow channel plate pressing block 121 and a flow channel plate positioning block 122, the flow channel plate pressing block 121 functions to fix the flow channel plate, and the flow channel plate positioning block 122 functions to position the flow channel plate so as to fix the flow channel plate. One runner plate is provided above and below each opening 131 for a total of 6.

Example 2

A rotary wheel of an impact crusher comprises an impact block mechanism 2 and a rotary wheel body 1 of embodiment 1, wherein the impact block mechanism 2 is arranged on impact block mounting plates at the left end and the right end of an opening 131 of the rotary wheel body 1 and is used for crushing materials, as shown in figure 2.

The impact block mechanism 2 comprises a first impact block assembly and a second impact block assembly, the first impact block assembly is installed on an impact block installation plate I132, and the second impact block assembly is installed on an impact block installation plate II 133. The first and second impact block assemblies are disposed at the left and right ends of the opening 131 because the left and right ends of the opening 131 are the main wear positions of the runner, where the impact blocks are installed to facilitate crushing of the material.

The first impact block component comprises an impact block I21 at the upper end, an impact block II 22 in the middle and an impact block III 23 at the lower end; the second impact block component comprises an impact block IV 24 at the upper end, an impact block V25 in the middle and an impact block VI 26 at the lower end, wherein the impact block IV 24 extends to the upper part of the cover plate 11, and the impact block VI 26 extends to the lower part of the bottom plate 12.

First impact block subassembly and second impact block subassembly and all include three and strike the piece, and the purpose that sets up like this is convenient for install and dismantle the replacement, makes the runner can both broken material on the whole direction of height of side. Meanwhile, the impact block IV 24 extends to the upper end of the cover plate 11, and the impact block VI 26 extends to the lower end of the bottom plate 12, so that the purpose of enabling the rotating wheel to crush materials in the whole height direction of the side face is achieved, and meanwhile, the cover plate 11 and the bottom plate 12 are protected. In actual work, the rotating wheel in fig. 2 rotates counterclockwise, the right end of the opening 131 can be greatly impacted by materials, the cover plate 11 and the bottom plate 12 at the right end of the opening 131 can be damaged, the impact block is lengthened in the embodiment, and the cover plate 11 and the bottom plate 12 at the right end of the opening 131 are protected.

The impact crusher runner further comprises six wheel body guard rings 3, the six wheel body guard rings 3 are installed at the tip ends of fan blades of the cover plate 11 and the bottom plate 12, two wheel body guard rings 3 are arranged at each tip end, the wheel body guard rings 3 are used for protecting the edges of the wheel bodies, and the broken material wheel body guard rings are convenient to replace when worn.

The impact crusher rotor further comprises a rotor inlet retainer 4 mounted at the central aperture 14 of the cover plate 11 and a material distribution cone mounted at the central aperture 14 of the base plate 12. The function of runner import protective shroud 4 is to let the material from the central feeding, and when the feeding, the import protective shroud can effectively protect runner apron 11. The material separating cone has the function of sealing the central hole 14 at the bottom plate 12, and simultaneously separating materials entering the central hole 14 at the upper end cover plate 11, so that the materials are discharged out of the rotating wheel from the three openings 131 for crushing.

In this embodiment, the impact block i 21, the impact block ii 22, the impact block iii 23, the impact block iv 24, the impact block v 25, the impact block vi 26, the wheel body guard ring 3, and the runner inlet guard ring 4 are all mounted on the runner body 1 by hexagon socket head cap screws.

In this embodiment, the material of the runner body 1 is Q235, the maximum outer diameter is 1020mm, and the material of the impact block is wear-resistant cast iron.

Comparative example

Fig. 4-6 show the runner hub and runner of a prior art impact crusher. Wherein, the cover plate 011 and the bottom plate 012 are round; a protection block 013 is arranged on the bottom plate 012, and the protection block 013 plays a role in assisting in positioning the impact block; the impact block IV 024 and the impact block VI 026 are positioned between the cover plate 11 and the base plate 012; the wheel retainer 03 is mounted on the edges of the circular cover 11 and the

circular base

012, and 12 of them are provided.

As shown in fig. 1 to 6, the differences between example 2 and the comparative examples are shown in the following table:

table 1 differences between example 2 and comparative examples

From the above table, it can be seen that, compared with the comparative example, after the improvement of example 2, the cover plate and the base plate are both changed into the fan blade shape, the lengths of the impact blocks iv and vi are increased, the number of retainer rings of the wheel body is reduced, the protection blocks are eliminated, the widths of the reinforcing ribs i and the reinforcing ribs ii are narrowed along with the change of the shapes of the cover plate and the base plate, and finally the total weight of the runner is reduced from 848.62kg to 730.88kg, and is reduced from 117.74 kg.

After the weight of the rotating wheel is reduced, the part of the output power of the motor consumed on the rotation of the rotating wheel under the same working condition can be reduced, and correspondingly, the upper limit of the part of the power which can be used for processing the crushed materials is improved to some extent, namely, the processing capacity of the whole-center feeding of the crusher is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A runner of an impact crusher is characterized by comprising a runner body (1) and an impact block mechanism (2);

the runner hub (1) comprises a cover plate (11) at the upper end, a bottom plate (12) at the lower end, a side plate (13) connected with the cover plate (11) and the bottom plate (12) in the middle, and the cover plate (11) and the bottom plate (12) are both in a fan blade shape; the side plate (13) is positioned at the edges of the cover plate (11) and the bottom plate (12), and an opening (131) communicated with the inside is formed in the position, positioned at the fan blade-shaped tip, of the side plate (13); the side plate (13) comprises an impact block mounting plate I (132) and an impact block mounting plate II (133) which are arranged at the left end and the right end of the opening (131); the side wall of the impact block mounting plate I (132) is positioned at the inner ends of the side walls of the cover plate (11) and the bottom plate (12), and the side wall of the outer end of the impact block mounting plate II (133) is flush with the side walls of the cover plate (11) and the bottom plate (12); the outer end of the side plate (13) between the two tips of the fan blade shape is provided with a reinforcing rib I (134) and a reinforcing rib II (135); the cover plate (11) and the bottom plate (12) are both provided with a central hole (14);

a runner plate pressing block (121) and a runner plate positioning block (122) are arranged on the bottom plate (12);

the impact block mechanisms (2) are arranged on impact block mounting plates at the left end and the right end of an opening (131) of the runner body (1);

strike a mechanism (2) and include that first strike block subassembly and second strike block subassembly, first strike block subassembly is installed strike on piece mounting panel I (132), the second strikes block subassembly and installs strike on piece mounting panel II (133).

2. The impact crusher rotor according to claim 1, characterized in that said first impact block assembly comprises an upper impact block i (21), a middle impact block ii (22), a lower impact block iii (23); the second impact block assembly comprises an impact block IV (24) at the upper end, an impact block V (25) in the middle and an impact block VI (26) at the lower end, the impact block IV (24) extends to the upper side of the cover plate (11), and the impact block VI (26) extends to the lower side of the bottom plate (12).

3. The impact crusher runner of claim 1, further comprising a plurality of wheel retainers (3), the plurality of wheel retainers (3) being mounted at the blade tips of the cover plate (11) and the base plate (12).

4. The impact crusher rotor according to claim 1, further comprising a rotor inlet retainer (4) mounted at the central opening (14) of the cover plate (11) and a material distribution cone mounted at the central opening (14) of the base plate (12).