CN218167266U - Ultra-long-life impeller structure of vertical shaft crusher - Google Patents
Ultra-long-life impeller structure of vertical shaft crusher Download PDFInfo
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- CN218167266U CN218167266U CN202222100087.2U CN202222100087U CN218167266U CN 218167266 U CN218167266 U CN 218167266U CN 202222100087 U CN202222100087 U CN 202222100087U CN 218167266 U CN218167266 U CN 218167266U
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Abstract
An impeller structure with an ultra-long service life of a vertical shaft crusher comprises impeller bodies, a lower plate, an upper plate and a connecting shaft, wherein the impeller bodies are uniformly distributed between the lower plate and the upper plate around the axis of the impeller and are fixedly connected with each other through the connecting shaft and a bolt; the impeller body is of an integral structure with a larger thickness cast by manganese steel, has the characteristics of high integral strength and abrasion resistance after quenching treatment, has the advantages of impact resistance, abrasion resistance and no fracture damage when in use, has the service life of more than 20 times of that of the existing split type abrasion-resistant material, avoids the shutdown problem caused by frequent maintenance or replacement of the abrasion-resistant material, and improves the utilization rate of the vertical shaft crusher; in addition, after the service life of the impeller body is over, the impeller can be repaired only by replacing the impeller body without replacing the whole impeller, so that the operation and maintenance cost of the vertical shaft crusher is greatly reduced, and the economic benefit of enterprises using the vertical shaft crusher is greatly improved.
Description
Technical Field
The utility model relates to a vertical scroll breaker impeller technical field, concretely relates to vertical scroll breaker overlength life impeller structure.
Background
The vertical shaft crusher is mechanical equipment which utilizes high-speed rotation of an impeller, accelerates materials entering the impeller and then throws the materials out at a high speed, and the materials thrown out at the high speed by the impeller collide with the materials around the impeller or a reaction plate at a high speed to crush the materials; according to the working principle of the impeller, the abrasion condition of the whole impeller, which is one of the core components of the vertical shaft crusher, in the working process is serious, particularly the abrasion condition of an impeller body is serious, but the existing impeller structure mostly adopts an integral structure formed by welding steel plates, only a replaceable split type wear-resistant material is added at the part where the impeller body and the material are easy to collide, and the impeller is easy to break and damage due to the low integral strength of the split type wear-resistant material in the working process, so that the shutdown maintenance or the wear-resistant material replacement is required frequently to be carried out, and the utilization rate of the vertical shaft crusher is influenced; meanwhile, the impeller body steel plate has poor wear resistance and short service life, and needs to be integrally replaced after the service life is over, and the operation and maintenance cost of the vertical shaft crusher is increased, so that the economic benefit of a vertical shaft crusher using enterprise is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the background art, the utility model discloses an ultra-long service life impeller structure of a vertical shaft crusher, which comprises impeller bodies, a lower plate, an upper plate and a connecting shaft, wherein a plurality of impeller bodies are uniformly distributed between the lower plate and the upper plate around the axis of the impeller and are fixedly connected through the connecting shaft and a bolt; the impeller body is of an integral structure which is cast by manganese steel and has a larger thickness, has the characteristics of high integral strength and abrasion resistance after quenching treatment, has the advantages of impact resistance, abrasion resistance and no fracture and damage when in use, and has the service life which is 20 times longer than that of the existing split type abrasion-resistant material; in addition, after the service life of the impeller body is over, the impeller can be repaired only by replacing the impeller body without replacing the whole impeller.
In order to realize the utility model aims at providing a following technical scheme: an impeller structure with an ultra-long service life of a vertical shaft crusher comprises an impeller body, a lower plate, an upper plate and a connecting shaft, wherein the impeller body is of an integral structure formed by casting manganese steel, the thickness of the impeller body exceeds the thickness of an existing welded impeller body steel plate, and the thickness of the impeller body is 30-40 mm; the impeller bodies are uniformly distributed between the lower plate and the upper plate around the axis of the impeller and are fixedly connected with each other through connecting shafts and bolts; the utility model discloses an among the overlength life impeller structure of vertical scroll breaker, it is very difficult to adopt manganese steel integral casting's impeller body processing connecting thread, has consequently adopted the connecting rod structure, and the impeller body has set up the through-hole in its slab wall casting, and the connecting rod setting is in the through-hole.
Furthermore, the impeller body is in the shape of an arc plate with uniform wall thickness, and a plurality of through impeller body connecting shaft holes are arranged in a penetrating manner along the plate wall; the outer side of the impeller body is provided with an impact head A and an impact head B which are parallel to the impeller body connecting shaft hole, and the inner side of the impeller body is provided with a material blocking head which is adjacent to the impact head A.
Further, the arc at the inner side of the impeller body consists of an arc A, an arc B and an arc C, wherein the radii of the arc A and the arc C are equal, the radius of the arc B is smaller than that of the arc A and the arc C, the arc A and the arc C are in tangential connection with the arc B, and the arc C forms a hook structure; the arc structure on the inner side of the impeller body can reduce the abrasion of the material to the inner wall in the sliding process along the arc on the inner side of the impeller body.
Further, the lower plate is provided with a plurality of lower plate connecting shaft holes; the upper plate is provided with a plurality of upper plate connecting shaft holes; the lower plate connecting shaft hole and the upper plate connecting shaft hole correspond to the impeller body connecting shaft hole of the impeller body; two ends of the connecting shaft are provided with threaded holes; the connecting shaft is fixedly arranged in an impeller body connecting shaft hole of the impeller body, the impeller bodies are arranged inwards in an inner arc and uniformly distributed around the axis of a lower plate, and the lower plate connecting shaft hole corresponds to the impeller body connecting shaft hole and is fixedly connected with the connecting shaft through a bolt; the upper plate is arranged at the upper end of the impeller body, and the upper plate connecting shaft hole corresponds to the impeller body connecting shaft hole and is fixedly connected with the connecting shaft through a bolt; a discharge port is formed between the adjacent impeller bodies.
Furthermore, the middle of the lower plate is provided with a through hole which is connected and positioned with the driving shaft, and the periphery of the through hole is uniformly provided with fixed connecting holes.
Furthermore, a feeding hole is arranged in the middle of the upper plate.
Preferably, a lining plate is arranged between the adjacent surfaces of the lower plate and the impeller body, and the lining plate is fixedly connected with the lower plate; the lining plate is added on the lower plate, so that the service life of the lower plate can be prolonged.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses an impeller structure with an ultra-long service life of a vertical shaft crusher, which comprises impeller bodies, a lower plate, an upper plate and a connecting shaft, wherein a plurality of impeller bodies are uniformly distributed between the lower plate and the upper plate around the axis of the impeller and are fixedly connected through the connecting shaft and a bolt; the impeller body is of an integral structure with a larger thickness cast by manganese steel, has the characteristics of high integral strength and abrasion resistance after quenching treatment, has impact resistance and abrasion resistance when in use, cannot be fractured and damaged, has the service life longer than 20 times that of the conventional split type abrasion-resistant material, avoids the shutdown problem caused by frequent maintenance or replacement of the abrasion-resistant material, and improves the utilization rate of the vertical shaft crusher; in addition, after the service life of the impeller body is over, the impeller can be repaired only by replacing the impeller body without replacing the whole impeller body, so that the operation and maintenance cost of the vertical shaft crusher is greatly reduced, and the economic benefit of enterprises using the vertical shaft crusher is greatly improved.
Drawings
FIG. 1 is a schematic view of the appearance of an impeller of a vertical shaft crusher with an ultra-long service life;
FIG. 2 is an exploded view of a vertical shaft crusher ultra-long life impeller structure;
FIG. 3 is a sectional view of a structure of an ultra-long life impeller of a vertical shaft crusher;
FIG. 4 is a schematic view of an impeller body arrangement;
FIG. 5 is a schematic view of the appearance of the impeller body;
FIG. 6 is a schematic view of the structure of an inner circular arc curve of an impeller body;
FIG. 7 is a schematic view of the outer appearance of the lower plate;
FIG. 8 is a schematic view of the exterior of the upper plate;
fig. 9 is an external view of the connection shaft.
In the figure: 1. an impeller body; 1.1, connecting the impeller body with a shaft hole; 1.2, a material blocking head; 1.3, an impact head A;1.4, impact head B;1.5, arc A;1.6, arc B;1.7, circular arc C; 2. a lower plate; 2.1, connecting the lower plate with the shaft hole; 3. an upper plate; 3.1, connecting the upper plate with the shaft hole; 4. a connecting shaft; 4.1, a threaded hole; 4.2, flat grooves; 5. and (4) a discharge port.
Detailed Description
The invention will be explained in more detail by the following examples, the purpose of which is to protect all the technical improvements within the scope of the invention.
An impeller structure with an ultra-long service life of a vertical shaft crusher comprises an impeller body 1, a lower plate 2, an upper plate 3 and a connecting shaft 4; the impeller body 1 is of an integral structure formed by casting manganese steel, the impeller body 1 is of an arc plate shape with the uniform wall thickness of 3.5mm, and the impeller body 1 needs to be quenched after casting; the arc at the inner side of the impeller body 1 consists of an arc A1.5, an arc B1.6 and an arc C1.7, wherein the radii of the arc A1.5 and the arc C1.7 are equal, the radius of the arc B1.6 is smaller than that of the arc A1.5 and the arc C1.7, and the arc A1.5 and the arc C1.7 are in tangent connection with the arc B1.6; a plurality of penetrating impeller body connecting shaft holes 1.1 are arranged along the plate wall in a penetrating way; the outer side arc of the impeller body 1 is parallel to the impeller body connecting shaft hole 1.1 and is provided with an impact head A1.3 and an impact head B1.4, and the inner side arc of the impeller body 1 is adjacent to the impact head A1.3 and is provided with a material blocking head 1.2;
the lower plate 2 is provided with a plurality of lower plate connecting shaft holes 2.1, the middle of the lower plate 2 is provided with through holes which are connected and positioned with the driving shaft, and the periphery of the through holes is uniformly provided with fixed connecting holes; the upper plate 3 is provided with a plurality of upper plate connecting shaft holes 3.1, and a feeding hole is arranged in the middle of the upper plate connecting shaft holes; the lower plate connecting shaft hole 2.1 and the upper plate connecting shaft hole 3.1 correspond to the impeller body connecting shaft hole 1.1 of the impeller body 1; two ends of the connecting shaft 4 are provided with threaded holes 4.1;
the connection between the connecting shaft 4 and the impeller body 1 has two modes: one is that the connecting shaft 4 is in interference fit with the impeller body connecting shaft hole 1.1, the connecting shaft 4 is directly driven into the impeller body connecting shaft hole 1.1 of the impeller body 1 by a pneumatic impact hammer, the connecting shaft 4 is fixedly connected with the impeller body 1, and when the impeller body 1 is replaced, the connecting shaft 4 is communicated with the impeller body for replacement; the other is that the connecting shaft 4 is in small clearance fit with the impeller body connecting shaft hole 1.1, the connecting shaft 4 is obtained by machining, the precision of the outer diameter of the connecting shaft 4 is high, but the impeller body connecting shaft hole 1.1 is obtained by founding and casting, the precision of the aperture of the connecting shaft is low, in order to realize the small clearance fit of the connecting shaft 4 and the impeller body connecting shaft hole 1.1, before the connecting shaft 4 is installed in the impeller body connecting shaft hole 1.1, a round bar with a diameter slightly larger than the diameter of the connecting shaft 4 is firstly used for driving the round bar into the impeller body connecting shaft hole 1.1 by a pneumatic impact hammer, the round bar with a diameter smaller than the diameter of the connecting shaft 4 is used for ejecting the round bar with a slightly larger diameter by the pneumatic impact hammer, the rough surface casting surface of the inner diameter of the connecting shaft 1.1 of the impeller body connecting shaft hole is trimmed by the round bar with a diameter slightly larger than the diameter of the connecting shaft 4, the small clearance fit of the connecting shaft 4 and the impeller body connecting shaft hole 1.1 is realized, and the connection mode of the connecting shaft 4 and the impeller body 1 can realize the independent replacement of the impeller body 1;
when the impeller is assembled, firstly, the connecting shaft 4 is arranged in the impeller body connecting shaft hole 1.1, the four impeller bodies 1 are uniformly distributed on the upper plate surface of the lower plate 2 around the axis of the impeller, the lower plate connecting shaft hole 2.1 corresponds to the impeller body connecting shaft hole 1.1, and the lower plate 2 is fixedly connected with the connecting shaft 4 by using bolts; and then the upper plate 3 is arranged on the upper end surfaces of the four impeller bodies 1, the upper plate connecting shaft holes 3.1 correspond to the impeller body connecting shaft holes 1.1, the upper plate 3 is fixedly connected with the connecting shaft 4 through bolts, and a discharge port 5 is formed between the adjacent impeller bodies 1.
Another assembly mode of the impeller is as follows: firstly, a connecting shaft 4 is fixedly arranged on the upper plate surface of a lower plate 2 through a bolt, and when the bolt is locked, a wrench is clamped on a flat groove 4.2 of the connecting shaft 4 to prevent the connecting shaft 4 from slipping; then through the cooperation of connecting axle 4 and impeller body connecting shaft hole 1.1, fixedly set up impeller body 1 at the upper plate face of hypoplastron 2, set up upper plate 3 at four impeller body 1 up ends, upper plate connecting shaft hole 3.1 corresponds with impeller body connecting shaft hole 1.1, through the bolt with upper plate 3 with connecting axle 4 fixed connection.
In addition, in order to improve the abrasion problem of the lower plate 2 in use, a lining plate can be additionally arranged between the adjacent surfaces of the lower plate 2 and the impeller body 1, and the lining plate is fixedly connected with the lower plate 2 through bolts.
The part of the utility model not detailed is prior art.
Claims (7)
1. The utility model provides a vertical scroll breaker overlength life impeller structure which characterized by: comprises an impeller body (1), a lower plate (2), an upper plate (3) and a connecting shaft (4); the impeller body (1) is of an integral structure, and the connecting shaft (4) is arranged in the impeller body (1); a plurality of impeller bodies (1) are uniformly distributed between the lower plate (2) and the upper plate (3) around the axis of the impeller and fixedly connected with each other through a connecting shaft (4) and a bolt.
2. The ultra-long life impeller structure of the vertical shaft crusher as claimed in claim 1, wherein: the impeller body (1) is in the shape of an arc plate with uniform wall thickness, and a plurality of penetrating impeller body connecting shaft holes (1.1) are arranged along the plate wall; an impact head A (1.3) and an impact head B (1.4) are arranged on the circular arc parallel to the impeller body connecting shaft hole (1.1) at the outer side of the impeller body (1), and a material blocking head (1.2) is arranged adjacent to the impact head A (1.3) at the inner side of the impeller body (1).
3. The ultra-long life impeller structure of the vertical shaft crusher according to claim 2, characterized in that: the arc at the inner side of the impeller body (1) consists of an arc A (1.5), an arc B (1.6) and an arc C (1.7), wherein the radii of the arc A (1.5) and the arc C (1.7) are equal, the radius of the arc B (1.6) is smaller than that of the arc A (1.5) and the arc C (1.7), and the arc A (1.5) and the arc C (1.7) are tangentially connected with the arc B (1.6).
4. The ultra-long life impeller structure of the vertical shaft crusher according to claim 3, characterized in that: the lower plate (2) is provided with a plurality of lower plate connecting shaft holes (2.1); the upper plate (3) is provided with a plurality of upper plate connecting shaft holes (3.1); the lower plate connecting shaft hole (2.1) and the upper plate connecting shaft hole (3.1) correspond to the impeller body connecting shaft hole (1.1) of the impeller body (1); threaded holes (4.1) are formed in two ends of the connecting shaft (4); the connecting shaft (4) is fixedly arranged in an impeller body connecting shaft hole (1.1) of the impeller body (1), the impeller bodies (1) are inwards arranged by inner side arcs and uniformly distributed around the axis of the lower plate (2), and the lower plate connecting shaft hole (2.1) corresponds to the impeller body connecting shaft hole (1.1) and is fixedly connected with the connecting shaft (4) through a bolt; the upper plate (3) is arranged at the upper end of the impeller body (1), and the upper plate connecting shaft hole (3.1) corresponds to the impeller body connecting shaft hole (1.1) and is fixedly connected with the connecting shaft (4) through a bolt; a discharge port (5) is formed between the adjacent impeller bodies (1).
5. The ultra-long life impeller structure of the vertical shaft crusher as claimed in claim 1, wherein: the middle of the lower plate (2) is provided with a through hole which is connected with the driving shaft for positioning, and the periphery of the through hole is uniformly provided with fixed connecting holes.
6. The ultra-long life impeller structure of the vertical shaft crusher according to claim 1, characterized in that: the middle of the upper plate (3) is provided with a feeding hole.
7. The ultra-long life impeller structure of the vertical shaft crusher as claimed in claim 3, wherein: a lining plate is arranged between the adjacent surfaces of the lower plate (2) and the impeller body (1), and the lining plate is fixedly connected with the lower plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222100087.2U CN218167266U (en) | 2022-08-10 | 2022-08-10 | Ultra-long-life impeller structure of vertical shaft crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222100087.2U CN218167266U (en) | 2022-08-10 | 2022-08-10 | Ultra-long-life impeller structure of vertical shaft crusher |
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| Publication Number | Publication Date |
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| CN218167266U true CN218167266U (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222100087.2U Active CN218167266U (en) | 2022-08-10 | 2022-08-10 | Ultra-long-life impeller structure of vertical shaft crusher |
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| Country | Link |
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| CN (1) | CN218167266U (en) |
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- 2022-08-10 CN CN202222100087.2U patent/CN218167266U/en active Active
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