CN217130262U - Fixing device for pulverized coal large-crushing belt pulley - Google Patents
Fixing device for pulverized coal large-crushing belt pulley Download PDFInfo
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- CN217130262U CN217130262U CN202220960314.6U CN202220960314U CN217130262U CN 217130262 U CN217130262 U CN 217130262U CN 202220960314 U CN202220960314 U CN 202220960314U CN 217130262 U CN217130262 U CN 217130262U
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- belt pulley
- shaft
- side wall
- fixing device
- central disc
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Abstract
The utility model relates to the technical field of crushers, in particular to a coal dust large crushing belt pulley fixing device, which comprises a crusher body, wherein a shaft is rotatably arranged on the side wall of the crusher body, a shaft sleeve is movably sleeved on the surface of the shaft, a fastening bolt is fixedly welded on the surface of the shaft, a circular groove is arranged on the side wall of a central disc, clamping grooves are symmetrically arranged on the inner side wall of the circular groove, a protective mechanism comprises a protective cover, rectangular grooves are symmetrically arranged on the surface of the protective cover, springs are fixedly arranged in the inner walls of the two rectangular grooves, clamping blocks are fixedly arranged on the ends of the two springs far away from the rectangular grooves, the two clamping blocks are respectively matched with the two clamping grooves, when in use, a pressure plate is sleeved on the shaft, then the fastening bolt is welded on the shaft, the shaft is firmly connected with the shaft sleeve and a belt pulley through the pressure plate, the mounting precision between the shaft and the shaft sleeve and the belt pulley is improved, and the mounting between each part is firmer, effectively avoided the belt pulley because the not hard up swing that causes of end cover reduces equipment failure rate.
Description
Technical Field
The utility model relates to a breaker technical field especially relates to a big broken belt pulley fixing device of buggy.
Background
A crusher, also called a stone crusher, is a crushing machine which is used in the processing of metal ores and non-metal ores and can crush mined raw ores into small particles by means of extrusion, bending and the like.
The end cover fixing bolt of the belt pulley of the large crusher in the coal powder workshop is designed to be small, the end cover is loosened in the operation process, the belt pulley swings left and right and is accompanied by abnormal sound, the bolt is broken frequently, the shaft and the shaft sleeve are abraded, if the belt pulley is not found and treated in time, the belt pulley can fall off, and equipment is scrapped.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a big broken belt pulley fixing device of buggy.
In order to solve the technical problem, the utility model provides a following technical scheme: a pulverized coal large crushing belt pulley fixing device comprises a crusher body, wherein a shaft is rotatably mounted on the side wall of the crusher body, a shaft sleeve is movably sleeved on the surface of the shaft, the shaft sleeve is movably connected with the crusher body, a belt pulley is movably mounted on the side wall of the shaft sleeve, a belt groove is formed in the side wall of the belt pulley, a connecting rod is fixedly mounted in the inner wall of the belt pulley, and a central disc is fixedly mounted at one end, away from the belt pulley, of the connecting rod;
fastening mechanisms are symmetrically and fixedly arranged on the side wall of the central disc;
and a protection mechanism is movably arranged on the side wall of the central disc.
The fastening mechanism comprises fixing columns, the two fixing columns are fixedly connected with the central disc, a pressing plate is movably sleeved on the surfaces of the two fixing columns, and the pressing plate is movably attached to the central disc.
Preferably, the shaft surface is fixedly welded with a fastening bolt, the side wall of the central disc is provided with an annular groove, and the inner side wall of the annular groove is symmetrically provided with clamping grooves.
Preferably, the protection mechanism includes the protection casing, the rectangular channel has been seted up to protection casing surface symmetry, two equal fixed mounting has the spring in the rectangular channel inner wall.
Preferably, two springs are far away from one end of the rectangular groove and are fixedly provided with clamping blocks, and the two clamping blocks are respectively matched with the two clamping grooves.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
firstly, the shaft sleeve and the belt pulley are firmly connected through the pressing plate, so that the mounting precision among the shaft, the shaft sleeve and the belt pulley is improved, the parts are more firmly mounted, the swing of the belt pulley caused by the looseness of an end cover is effectively avoided, and the equipment failure rate is reduced; the belt pulley is prevented from falling off due to the breakage of the fastening bolt in the operation process of the equipment, and equipment accidents and personal injury accidents which are possibly caused are avoided.
Secondly, when the protection casing rotated and drove the fixture block and slide in the draw-in groove, accomplish the joint this moment for this equipment can effectively protect internal part when using, and barrier propterty is higher.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the belt pulley connection explosion structure of the present invention;
FIG. 3 is a schematic view of the explosion structure of the protective cover according to the present invention;
fig. 4 is a schematic view of the pressing plate connection structure of the present invention.
Wherein: 11. a crusher body; 12. a shaft; 13. a shaft sleeve; 14. a belt pulley; 15. a belt groove; 16. a connecting rod; 17. a central disk; 21. fixing a column; 22. pressing a plate; 23. fastening a bolt; 24. an annular groove; 25. a card slot; 31. a protective cover; 32. a rectangular groove; 33. a spring; 34. and (7) clamping blocks.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental procedures in the following examples were carried out in a conventional manner unless otherwise specified, and materials, reagents and the like used in the following examples were commercially available unless otherwise specified.
Example (b):
as shown in fig. 1, 2, 3 and 4, a pulverized coal large crushing belt pulley fixing device comprises a crusher body 11, a shaft 12 is rotatably mounted on the side wall of the crusher body 11, a shaft sleeve 13 is movably sleeved on the surface of the shaft 12, the shaft sleeve 13 is movably connected with the crusher body 11, a belt pulley 14 is movably mounted on the side wall of the shaft sleeve 13, a belt groove 15 is formed in the side wall of the belt pulley 14, a connecting rod 16 is fixedly mounted in the inner wall of the belt pulley 14, and a central disc 17 is fixedly mounted at one end, far away from the belt pulley 14, of the connecting rod 16;
fastening mechanisms are symmetrically and fixedly arranged on the side wall of the central disc 17;
the side wall of the central disk 17 is movably provided with a protection mechanism.
The fastening mechanism comprises fixing columns 21, the two fixing columns 21 are fixedly connected with the central disc 17, a pressing plate 22 is movably sleeved on the surfaces of the two fixing columns 21, the pressing plate 22 is movably attached to the central disc 17, fastening bolts 23 are fixedly welded on the surface of the shaft 12, an annular groove 24 is formed in the side wall of the central disc 17, and clamping grooves 25 are symmetrically formed in the inner side wall of the annular groove 24.
The protection mechanism comprises a protection cover 31, rectangular grooves 32 are symmetrically formed in the surface of the protection cover 31, springs 33 are fixedly mounted in the inner walls of the two rectangular grooves 32, clamping blocks 34 are fixedly mounted at one ends, far away from the rectangular grooves 32, of the two springs 33, the two clamping blocks 34 are respectively matched with the two clamping grooves 25, when the protection mechanism is used, the pressing plate 22 is firstly sleeved on the shaft 12, then the fastening bolt 23 is welded on the shaft 12, the shaft is firmly connected with the shaft sleeve 13 and the belt pulley 14 through the pressing plate 22, the mounting accuracy between the shaft 12 and the shaft sleeve 13 and between the shaft 12 and the belt pulley 14 is improved, the mounting among all parts is firmer, the swinging of the belt pulley 14 caused by the looseness of an end cover is effectively avoided, and the equipment failure rate is reduced; avoided equipment operation in-process fastening bolt 23 fracture to lead to belt pulley 14 to drop, equipment accident and the bodily injury accident that probably arouse, can insert annular groove 24 with protection casing 31 after equipment fixing accomplishes, fixture block 34 receives the effect of extrusion force to the inside shrink of protection casing 31 this moment, extrusion spring 33 produces deformation under the shrink of fixture block 34, rotation protection casing 31 this moment, drive fixture block 34 and slide into draw-in groove 25 under the rotation of protection casing 31, accomplish the joint this moment, make this equipment can effectively protect internal part when using, barrier propterty is higher.
The working principle is as follows:
firstly, when in use, the pressing plate 22 is sleeved on the shaft 12, then the fastening bolt 23 is welded on the shaft 12, the shaft is firmly connected with the shaft sleeve 13 and the belt pulley 14 through the pressing plate 22, the mounting precision between the shaft 12 and the shaft sleeve 13 as well as between the shaft 12 and the belt pulley 14 is improved, the mounting among all parts is firmer, the swinging of the belt pulley 14 caused by the looseness of an end cover is effectively avoided, and the equipment failure rate is reduced; the belt pulley 14 is prevented from falling off due to the breakage of the fastening bolt 23 in the operation process of the equipment, and equipment accidents and personal injury accidents which are possibly caused are avoided.
Second step, can insert ring channel 24 with protection casing 31 after equipment fixing accomplishes, this moment fixture block 34 receives the effect of extrusion force to the inside shrink of protection casing 31, and extrusion spring 33 produces deformation under the shrink of fixture block 34, rotates protection casing 31 this moment, drives fixture block 34 slip-in draw-in groove 25 under the rotation of protection casing 31, accomplishes the joint this moment for this equipment can effectively protect interior part when using, and barrier propterty is higher.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (5)
1. The utility model provides a big broken belt pulley fixing device of buggy, includes breaker body (11), it installs axle (12) to rotate on breaker body (11) lateral wall, axle (12) surface activity cover is equipped with axle sleeve (13), axle sleeve (13) are in the same place its characterized in that with breaker body (11) swing joint: a belt pulley (14) is movably mounted on the side wall of the shaft sleeve (13), a belt groove (15) is formed in the side wall of the belt pulley (14), a connecting rod (16) is fixedly mounted in the inner wall of the belt pulley (14), and a central disc (17) is fixedly mounted at one end, far away from the belt pulley (14), of the connecting rod (16);
fastening mechanisms are symmetrically and fixedly arranged on the side wall of the central disc (17);
and a protection mechanism is movably arranged on the side wall of the central disc (17).
2. The pulverized coal large crushing belt pulley fixing device as claimed in claim 1, wherein the fastening mechanism comprises fixing columns (21), the two fixing columns (21) are fixedly connected with the central disc (17), a pressing plate (22) is movably sleeved on the surfaces of the two fixing columns (21), and the pressing plate (22) is movably attached to the central disc (17).
3. The pulverized coal large crushing belt pulley fixing device as claimed in claim 2, wherein a fastening bolt (23) is fixedly welded on the surface of the shaft (12), an annular groove (24) is formed in the side wall of the central disc (17), and clamping grooves (25) are symmetrically formed in the inner side wall of the annular groove (24).
4. The pulverized coal large crushing belt pulley fixing device according to claim 1, wherein the protection mechanism comprises a protection cover (31), rectangular grooves (32) are symmetrically formed in the surface of the protection cover (31), and springs (33) are fixedly mounted in the inner walls of the two rectangular grooves (32).
5. The pulverized coal large crushing belt pulley fixing device as claimed in claim 4, wherein one end of each of the two springs (33) far away from the rectangular groove (32) is fixedly provided with a fixture block (34), and the two fixture blocks (34) are respectively matched with the two fixture grooves (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960314.6U CN217130262U (en) | 2022-04-24 | 2022-04-24 | Fixing device for pulverized coal large-crushing belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220960314.6U CN217130262U (en) | 2022-04-24 | 2022-04-24 | Fixing device for pulverized coal large-crushing belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217130262U true CN217130262U (en) | 2022-08-05 |
Family
ID=82650467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220960314.6U Active CN217130262U (en) | 2022-04-24 | 2022-04-24 | Fixing device for pulverized coal large-crushing belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217130262U (en) |
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2022
- 2022-04-24 CN CN202220960314.6U patent/CN217130262U/en active Active
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