CN215487166U - High-strength main shaft for crusher - Google Patents
High-strength main shaft for crusher Download PDFInfo
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- CN215487166U CN215487166U CN202120397262.1U CN202120397262U CN215487166U CN 215487166 U CN215487166 U CN 215487166U CN 202120397262 U CN202120397262 U CN 202120397262U CN 215487166 U CN215487166 U CN 215487166U
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- main shaft
- shaft
- external thread
- crusher
- middle shaft
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Abstract
The utility model discloses a high-strength main shaft for a crusher, which comprises a main shaft body, a middle shaft, reinforcing ribs, grooves, prefabricated screw holes, end shafts, external thread blocks and an internal groove, wherein the middle shaft is arranged in the middle of the main shaft body, the reinforcing ribs are arranged inside the middle shaft, the grooves are formed in the front end and the rear end of the middle shaft, the prefabricated screw holes are formed in the grooves, the end shafts are arranged on the left side and the right side of the main shaft body, the external thread blocks are connected inside the end shafts, and the internal groove is formed in the external thread blocks. The integral structure of the middle shaft and the end shaft arranged on the high-strength crusher main shaft can effectively enhance the integral stability of the main shaft body and can effectively avoid abrasion and fracture of the middle shaft and the end shaft; the contact area between the reinforcing ribs and the middle shaft can be effectively enhanced by the uniform distribution of the reinforcing ribs, so that the strength of the middle shaft can be effectively improved, the middle shaft is prevented from being broken, and the joints of the middle shaft can be effectively enhanced.
Description
Technical Field
The utility model relates to the technical field of crushers, in particular to a high-strength main shaft for a crusher.
Background
The mining crusher mainly carries out crushing operation on various stones, and is divided into a plurality of models according to different crushing principles and different product particle sizes. The crusher is widely applied to various departments such as mines, smelting, building materials, highways, railways, water conservancy, chemical industry and the like. Common crushing machines include jaw crushers, impact crushers, vertical impact crushers, hydraulic cone crushers, ring hammer crushers, roll crushers, combined crushers, cone crushers, twin-stage crushers, gyratory crushers, mobile crushers, and the like.
The working principles of crushers of different models are completely different, taking a ring hammer crusher as an example: the hammer crusher mainly completes the operation of crushing materials by impact energy. When the hammer crusher works, the motor drives the rotor to rotate at a high speed, materials uniformly enter a crusher cavity, the high-speed rotary hammer head impacts and cuts and tears the materials to cause the materials to be crushed, meanwhile, the gravity action of the materials enables the materials to be rushed to an inner baffle plate of a frame body from the high-speed rotary hammer head, and the sieve bars are arranged at the lower part of the rotor, the grain grade smaller than the size of a sieve mesh in the crushed materials is discharged through the sieve plate, the materials larger than the size of the sieve mesh are stopped on the sieve plate to continue to be struck and ground by the hammer, and the materials are discharged out of the crusher through the sieve plate until the crushed materials reach the required discharge grain size. The main shaft for the existing crusher has lower fracture resistance and weaker strength in the using process, is inconvenient to provide a mounting position for a connecting piece, can not well meet the use requirements of people, and carries out technical innovation on the basis of the existing main shaft for the crusher aiming at the conditions.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the main shaft for the crusher, which has high strength.
The technical scheme adopted by the utility model for realizing the purpose is as follows: the utility model provides a main shaft for breaker that intensity is high, includes main shaft body, axis, strengthening rib, recess, prefabricated screw, end shaft, external thread piece and inside groove, the mid-mounting of main shaft body has the axis, and centraxonial inside is provided with the strengthening rib, both ends are all seted up flutedly around the axis, and are equipped with the prefabricated screw of a plurality of in the recess, the end shaft is all installed to the left and right sides of main shaft body, and the internal connection of end shaft has the external thread piece, the inside of external thread piece has seted up the inside groove.
The middle shaft is integrally connected with the end shafts at the two ends.
The middle shaft is connected with the reinforcing ribs, and the reinforcing ribs are uniformly distributed along the inner part of the middle shaft.
The prefabricated screw holes are uniformly distributed along the central axis direction of the groove, the cross section of the groove is of a convex structure, and the groove is symmetrically distributed about the center of the central axis.
The end shaft is in threaded connection with the external thread block, and the external thread block and the inner groove are of an integrated structure.
The utility model has the beneficial effects that: the forged material is adopted and subjected to quenching and tempering treatment, so that the main shaft has the characteristics of high strength, good toughness and the like, and the service life of the main shaft is greatly prolonged; the integral structure of the middle shaft and the end shaft can effectively enhance the integral stability of the main shaft body and can effectively avoid abrasion and fracture of the middle shaft and the end shaft; the uniform distribution of the reinforcing ribs can effectively enhance the contact area between the reinforcing ribs and the middle shaft, thereby effectively improving the strength of the middle shaft, avoiding the middle shaft from being broken and effectively enhancing the joint of the middle shaft; the mounting positions can be effectively provided for the external connecting pieces through the uniform distribution of the prefabricated screw holes, and the positions of the external connecting pieces can be effectively limited by the grooves, so that the connection stability can be effectively enhanced; the end shaft is connected with the external thread block, can be effectual the position of restriction external thread block to and the dismouting external thread block of being convenient for, the external thread block receives external force damage, through changing the external thread block, makes the main shaft body still can stable utilization, loss that can effectual reduction cost.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a perspective view of the shaft of the present invention;
FIG. 3 is a schematic view of the construction of the shaft according to the present invention;
FIG. 4 is a schematic side view of the present invention.
In the figure: the main shaft comprises a main shaft body 1, a middle shaft 2, reinforcing ribs 3, grooves 4, prefabricated screw holes 5, an end shaft 6, an external thread block 7 and an internal groove 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a high-strength spindle for a crusher comprises a spindle body 1, a center shaft 2, reinforcing ribs 3, grooves 4, prefabricated screw holes 5, end shafts 6, external thread blocks 7 and an internal groove 8, wherein the center shaft 2 is installed in the middle of the spindle body 1, the reinforcing ribs 3 are arranged inside the center shaft 2, the grooves 4 are formed in the front end and the rear end of the center shaft 2, the prefabricated screw holes 5 are formed in the grooves 4, the end shafts 6 are installed on the left side and the right side of the spindle body 1, the external thread blocks 7 are connected inside the end shafts 6, and the internal groove 8 is formed inside the external thread blocks 7.
In the utility model, a middle shaft 2 is integrally connected with end shafts 6 at two ends; the integral structure of the middle shaft 2 and the end shaft 6 can effectively enhance the overall stability of the main shaft body 1, and can effectively avoid abrasion and fracture of the middle shaft 2 and the end shaft 6.
The middle shaft 2 is connected with the reinforcing ribs 3, and the reinforcing ribs 3 are uniformly distributed along the inner part of the middle shaft 2; the contact area between the reinforcing ribs 3 and the middle shaft 2 can be effectively enhanced by the uniform distribution of the reinforcing ribs 3, so that the strength of the middle shaft 2 can be effectively improved, the middle shaft 2 is prevented from being broken, and the joint of the middle shaft 2 can be effectively enhanced.
The prefabricated screw holes 5 are uniformly distributed along the central axis direction of the groove 4, the cross section of the groove 4 is of a convex structure, and the groove 4 is symmetrically distributed around the center of the central axis 2; evenly distributed through prefabricated screw 5 can effectually provide the mounted position for external connection spare, and recess 4 can effectual restriction external connection spare the position to and can the stability of effectual reinforcing connection.
The end shaft 6 is in threaded connection with the external thread block 7, and the external thread block 7 and the internal groove 8 are of an integrated structure; the end shaft 6 is connected with the external thread block 7, can be effectively limited in the position of the external thread block 7, and the external thread block 7 is convenient to disassemble and assemble, the external thread block 7 is damaged by external force, and the main shaft body 1 can still be stably utilized by replacing the external thread block 7, so that the cost can be effectively reduced.
The working principle of the utility model is as follows: when the connecting device is used, the reinforcing ribs 3 improve the strength of the middle shaft 2, the middle shaft 2 is prevented from being broken, the connecting position of the middle shaft 2 can be effectively enhanced, the prefabricated screw holes 5 provide mounting positions for external connecting pieces, the grooves 4 can effectively limit the positions of the external connecting pieces, and the connecting stability can be effectively enhanced; then, the end shaft 6 is connected with the external thread block 7, can be effectual the position of restriction external thread block 7 to and be convenient for dismouting external thread block 7, external thread block 7 receives external force damaged, through changing external thread block 7, makes main shaft body 1 utilization that still can be stable, and this is the theory of operation of this breaker main shaft that intensity is high.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a main shaft for breaker that intensity is high, includes main shaft body (1), axis (2), strengthening rib (3), recess (4), prefabricated screw (5), end shaft (6), external thread piece (7) and inside groove (8), its characterized in that: the middle mounting of main shaft body (1) has axis (2), and the inside of axis (2) is provided with strengthening rib (3), both ends all set up fluted (4) around axis (2), and are equipped with a plurality of prefabricated screw (5) in recess (4), end axle (6) are all installed to the left and right sides of main shaft body (1), and the internal connection of end axle (6) has external thread piece (7), inside groove (8) have been seted up to the inside of external thread piece (7).
2. The high-strength main shaft for the crusher as claimed in claim 1, wherein: the middle shaft (2) is integrally connected with the end shafts (6) at the two ends.
3. The high-strength main shaft for the crusher as claimed in claim 1, wherein: the middle shaft (2) is connected with the reinforcing ribs (3), and the reinforcing ribs (3) are uniformly distributed along the inner part of the middle shaft (2).
4. The high-strength main shaft for the crusher as claimed in claim 1, wherein: the prefabricated screw holes (5) are uniformly distributed along the central axis direction of the groove (4), the cross section of the groove (4) is of a convex structure, and the groove (4) is symmetrically distributed about the center of the central axis (2).
5. The high-strength main shaft for the crusher as claimed in claim 1, wherein: the end shaft (6) is in threaded connection with the external thread block (7), and the external thread block (7) and the internal groove (8) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397262.1U CN215487166U (en) | 2021-02-23 | 2021-02-23 | High-strength main shaft for crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397262.1U CN215487166U (en) | 2021-02-23 | 2021-02-23 | High-strength main shaft for crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487166U true CN215487166U (en) | 2022-01-11 |
Family
ID=79771111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120397262.1U Active CN215487166U (en) | 2021-02-23 | 2021-02-23 | High-strength main shaft for crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487166U (en) |
-
2021
- 2021-02-23 CN CN202120397262.1U patent/CN215487166U/en active Active
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