CN211737802U - Novel connecting structure of roller press main shaft and planetary reducer - Google Patents
Novel connecting structure of roller press main shaft and planetary reducer Download PDFInfo
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- CN211737802U CN211737802U CN202020124058.8U CN202020124058U CN211737802U CN 211737802 U CN211737802 U CN 211737802U CN 202020124058 U CN202020124058 U CN 202020124058U CN 211737802 U CN211737802 U CN 211737802U
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- hollow shaft
- main shaft
- shaft
- roller
- roller system
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Abstract
The utility model relates to a roller is technical field that main shaft and hollow shaft are connected specifically is a novel connection structure of roller press main shaft and planetary reducer for solve among the prior art roller and be connected between main shaft and hollow shaft, make the roller easily and be produced relative sliding between main shaft and hollow shaft, and be not convenient for the roller and be the problem of dismantling between main shaft and hollow shaft. The utility model discloses a roller is main shaft and hollow shaft, roller is main shaft connection in the hollow shaft, the surface of hollow shaft still overlaps and is equipped with the elasticity cover, install the take-up unit on the elasticity cover. In the utility model, the elastic sleeve generates a clamping force through the elastic mechanism, and the clamping force can clamp the hollow shaft and increase the interference magnitude between the hollow shaft and the roller system main shaft, thereby preventing the roller system main shaft and the hollow shaft from sliding easily; the hollow shaft is loosened through the loosening and tightening mechanism, interference magnitude between the hollow shaft and the roller system main shaft is reduced, and therefore the roller system main shaft can be easily disassembled from the hollow shaft.
Description
Technical Field
The utility model relates to a technical field that roller is main shaft and hollow shaft connection, more specifically relates to a novel connection structure of roll squeezer main shaft and planetary reducer.
Background
The high-pressure roller mill is an efficient and energy-saving crushing and grinding device, is widely applied to industries such as metallurgy, sandstone mine production and the like, and needs a corresponding transmission structure for the operation of the high-pressure roller mill.
The transmission structure of the high-pressure roller mill in the prior art mainly comprises a motor, a universal joint coupler, a planetary reducer and a roller system. The roller system main shaft is directly matched and assembled with the hollow shaft of the planetary reducer, the generated torque is very large due to very large pressure during the working of the roller system, and the matching surface of the roller system shaft end and the planetary reducer hollow shaft is easy to slide; when the roller system main shaft is disassembled, the locking disc on the planetary speed reducer is usually loosened, the hollow shaft of the speed reducer cannot be separated from the roller system main shaft, and the planetary speed reducer is jacked open by a plurality of hydraulic jacks, so that the matching surface of the roller system main shaft and the planetary speed reducer hollow shaft is easily damaged.
In summary, the prior art has the problems that the matching surface of the roller system main shaft and the hollow shaft of the planetary reducer is easy to slide and inconvenient to disassemble. Therefore, there is an urgent need for a connection structure that can reduce slippage when the roller system spindle is connected with the hollow shaft, and can be more conveniently disassembled.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model provides a novel connection structure of roller press main shaft and planetary reducer for solve among the prior art roller and be connected between main shaft and hollow shaft, make the roller easily and be connected between main shaft and hollow shaft and produce relative sliding, and be not convenient for the roller and be the problem of dismantling between main shaft and hollow shaft. In the utility model, under the condition that the roller system main shaft is arranged in the hollow shaft, the elastic sleeve generates a clamping force through the elastic mechanism, the hollow shaft can be clamped by the clamping force, and the interference magnitude between the hollow shaft and the roller system main shaft is increased, so that the roller system main shaft and the hollow shaft are not easy to slide; the hollow shaft is loosened through the loosening and tightening mechanism, interference magnitude between the hollow shaft and the roller system main shaft is reduced, and therefore the roller system main shaft can be easily disassembled from the hollow shaft.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a novel connection structure of roller press main shaft and planetary reducer, includes that the roller is main shaft and hollow shaft, the roller is main shaft connection in the hollow shaft, the surface of hollow shaft still overlaps and is equipped with the elasticity cover, install the take-up unit on the elasticity cover.
The working principle is as follows: when the hollow shaft and the roller system main shaft need to be connected, the elastic sleeve is sleeved on the hollow shaft, then the roller system main shaft is installed in the hollow shaft, then the elastic sleeve generates a clamping force through the elastic mechanism, the clamping force can clamp the hollow shaft, and finally the interference magnitude between the hollow shaft and the roller system main shaft is increased, so that the roller system main shaft and the hollow shaft can be installed more firmly, and further the roller system main shaft and the hollow shaft are not easy to slide;
when the roller system main shaft is required to be disassembled from the hollow shaft, the elastic sleeve does not exert a clamping force on the hollow shaft any more through the elastic mechanism, and the hollow shaft can rebound after the hollow shaft loses the clamping force of the elastic sleeve, so that the interference magnitude between the hollow shaft and the roller system main shaft is reduced, the roller system main shaft returns to the state without the clamping mechanism for generating the clamping force, and the roller system main shaft can be easily disassembled from the hollow shaft.
As a preferred mode, the elastic sleeve is a locking disc, the elastic mechanism comprises a bolt hole formed in the end face of the locking disc, a locking bolt is installed in the bolt hole, and the diameter of the bolt hole is smaller than that of the locking bolt.
Preferably, the number of the bolt holes is multiple, and the bolt holes are uniformly formed in the side surface of the locking disc.
Preferably, the circumferential surface of the hollow shaft is further provided with a plurality of loosening and tightening grooves, and the loosening and tightening grooves are arranged along the axial direction of the hollow shaft.
Preferably, the roller system main shaft is arranged in the hollow shaft through a flat key.
The utility model has the advantages as follows:
(1) in the utility model, under the condition that the roller system main shaft is arranged in the hollow shaft, the elastic sleeve generates a clamping force through the elastic mechanism, the hollow shaft can be clamped by the clamping force, and the interference magnitude between the hollow shaft and the roller system main shaft is increased, so that the roller system main shaft and the hollow shaft are not easy to slide; the hollow shaft is loosened through the loosening and tightening mechanism, interference magnitude between the hollow shaft and the roller system main shaft is reduced, and therefore the roller system main shaft can be easily disassembled from the hollow shaft.
(2) The utility model discloses well elasticity cover is the locking dish, and the straining device installs locking bolt including opening at the bolt hole of locking dish terminal surface in the bolt hole, and the diameter of bolt hole is less than locking bolt's diameter. When the hollow shaft and the roller system main shaft are required to be connected more firmly, the locking bolt is screwed into the bolt hole, and the diameter of the bolt hole is smaller than that of the locking bolt, so that a radial force can be applied to the locking disc when the locking bolt is screwed into the bolt hole, the inner diameter of the locking disc can be reduced by the radial force, the hollow shaft can be clamped by the force due to the force transmissibility, the hollow shaft is finally deformed and firmly clamped, the interference magnitude between the roller system main shaft and the hollow shaft is increased, the roller system main shaft and the hollow shaft can be connected more firmly, and the roller system main shaft and the hollow shaft are further difficult to slide; when the roller system main shaft is required to be detached from the hollow shaft, the locking bolt is detached from the bolt hole, the locking disc starts to restore to the original shape after the radial force applied by the locking bolt is lost, the same hollow shaft rebounds to the original shape, the interference magnitude between the hollow shaft and the roller system main shaft is reduced, and the roller system main shaft can be easily detached from the hollow shaft.
(3) The utility model discloses the quantity of well bolt hole is a plurality of, and the even side of opening at the locking dish of a plurality of bolt holes can be to more even radial force of the periphery application of force of hollow shaft like this to it is more firm and stable to make to be connected between hollow shaft and roller system main shaft.
(4) The utility model discloses still open a plurality of elasticity grooves on the periphery of well cavity mandrel, the elasticity groove sets up along the axial of hollow shaft. When the hollow shaft is subjected to the radial force exerted by the locking disc, the hollow shaft is easy to deform due to the elastic groove, so that the inner diameter of the hollow shaft is reduced, and when the hollow shaft loses the radial force exerted by the locking disc, the hollow shaft is easy to restore to the original shape due to the elastic groove.
(5) The utility model discloses well roller is the main shaft and passes through the parallel key to be installed in the hollow shaft, and the installation and the dismantlement between the hollow shaft and the roller system main shaft of being convenient for like this more.
(6) The utility model discloses in because the roller is dismantled from the hollow shaft more easily in the main shaft to reduce maintenance time, reduced the maintenance cost.
Drawings
FIG. 1 is a schematic view of the front structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional front view of the locking bolt of the present invention mounted on the locking plate;
FIG. 3 is a schematic side view of the locking plate of the present invention;
FIG. 4 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 5 is a schematic view of the side cross-sectional structure of the hollow shaft of the present invention;
reference numerals: the roller system comprises a main shaft 1, a flat key 2, a hollow shaft 3, an elastic groove 31, a locking disc 4, a bolt hole 41 and a locking bolt 5.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1:
as shown in fig. 1-5, a novel connecting structure of a main shaft and a planetary reducer of a roller press comprises a main shaft 1 and a hollow shaft 3, wherein the main shaft 1 is connected in the hollow shaft 3, an elastic sleeve is further sleeved on the outer surface of the hollow shaft 3, and an elastic mechanism is installed on the elastic sleeve.
The working principle is as follows: when the hollow shaft 3 and the roller system main shaft 1 need to be connected, the elastic sleeve is sleeved on the hollow shaft 3, then the roller system main shaft 1 is installed in the hollow shaft 3, then the elastic sleeve generates a clamping force through the elastic mechanism, the hollow shaft 3 can be clamped by the clamping force, and finally the interference magnitude between the hollow shaft 3 and the roller system main shaft 1 is increased, so that the roller system main shaft 1 and the hollow shaft 3 can be installed more firmly, and the roller system main shaft 1 and the hollow shaft 3 are not easy to slide;
when the roller system main shaft 1 needs to be detached from the hollow shaft 3, the elastic sleeve does not apply a clamping force to the hollow shaft 3 through the elastic mechanism, and after the hollow shaft 3 loses the clamping force of the elastic sleeve, the hollow shaft 3 can rebound, so that the interference magnitude between the hollow shaft 3 and the roller system main shaft 1 is reduced, the roller system main shaft returns to the state when the clamping mechanism is not used for generating the clamping force, and the roller system main shaft 1 can be easily detached from the hollow shaft 3.
Example 2:
as shown in fig. 1 to 5, on the basis of the above embodiment 1, this embodiment provides a preferable structure of the locking mechanism, that is, the elastic sleeve is the locking disk 4, the elastic mechanism includes a bolt hole 41 opened on the end surface of the locking disk 4, the locking bolt 5 is installed in the bolt hole 41, and the diameter of the bolt hole 41 is smaller than the diameter of the locking bolt 5.
When the hollow shaft 3 and the roller system spindle 1 are required to be connected more firmly, the locking bolt 5 is screwed into the bolt hole 41, and the diameter of the bolt hole 41 is smaller than that of the locking bolt 5, so that when the locking bolt 5 is screwed into the bolt hole 41, a radial force is applied to the locking disc 4, the inner diameter of the locking disc 4 is reduced by the radial force, the hollow shaft 3 is clamped by the force due to the force transmissibility, the hollow shaft 3 is finally deformed and firmly clamps the roller system spindle 1, and the interference between the roller system spindle 1 and the hollow shaft 3 is increased, so that the roller system spindle 1 and the hollow shaft 3 can be connected more firmly, and the roller system spindle 1 and the hollow shaft 3 are not easy to slide;
when the roller system main shaft 1 needs to be detached from the hollow shaft 3, the locking bolts 5 are detached from the bolt holes 41, the locking disc 4 starts to restore to the original shape after losing the radial force applied by the locking bolts 5, the same hollow shaft 3 rebounds to the original shape, the interference between the hollow shaft 3 and the roller system main shaft 1 is reduced, and the roller system main shaft 1 can be easily detached from the hollow shaft 3.
Preferably, the number of the bolt holes 41 is multiple, and the bolt holes 41 are uniformly formed in the side surface of the locking disk 4, so that a more uniform radial force can be applied to the circumferential surface of the hollow shaft 3, and the connection between the hollow shaft 3 and the roller system main shaft 1 is firmer and more stable.
Preferably, the circumferential surface of the hollow shaft 3 is further provided with a plurality of loosening grooves 31, and the loosening grooves 31 are arranged along the axial direction of the hollow shaft 3. When the hollow shaft 3 is subjected to the radial force exerted by the locking disk 4, the hollow shaft 3 is more easily deformed to make its inner diameter smaller due to the presence of the loosening groove 31; when the hollow shaft 3 loses the radial force exerted by the locking disk 4, the hollow shaft 3 is more easily restored to its original shape due to the presence of the loosening grooves 31.
Preferably, the roller system main shaft 1 is installed in the hollow shaft 3 through the flat key 2, so that the installation and the disassembly between the hollow shaft 3 and the roller system main shaft 1 are more convenient.
The rest is the same as the above embodiment 1, and therefore, the description thereof is omitted.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a novel connection structure of roll squeezer main shaft and planetary reducer, includes roller system main shaft (1) and hollow shaft (3), its characterized in that: the roller system main shaft (1) is connected in the hollow shaft (3), the outer surface of the hollow shaft (3) is further sleeved with an elastic sleeve, and the elastic sleeve is provided with an elastic mechanism.
2. The novel connecting structure of the main shaft and the planetary reducer of the roller press as claimed in claim 1, wherein: the elasticity cover is locking dish (4), elasticity mechanism is including opening bolt hole (41) at locking dish (4) terminal surface, install locking bolt (5) in bolt hole (41), the diameter of bolt hole (41) is less than the diameter of locking bolt (5).
3. The novel connecting structure of the main shaft and the planetary reducer of the roller press as claimed in claim 2, characterized in that: the number of the bolt holes (41) is multiple, and the bolt holes (41) are uniformly formed in the side face of the locking disc (4).
4. The novel connecting structure of the main shaft and the planetary reducer of the roller press as claimed in any one of claims 1 to 3, wherein: the circumference of the hollow shaft (3) is also provided with a plurality of loosening and tightening grooves (31), and the loosening and tightening grooves (31) are arranged along the axial direction of the hollow shaft (3).
5. The novel connecting structure of the main shaft and the planetary reducer of the roller press as claimed in any one of claims 1 to 3, wherein: the roller system main shaft (1) is arranged in the hollow shaft (3) through a flat key (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124058.8U CN211737802U (en) | 2020-01-19 | 2020-01-19 | Novel connecting structure of roller press main shaft and planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020124058.8U CN211737802U (en) | 2020-01-19 | 2020-01-19 | Novel connecting structure of roller press main shaft and planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211737802U true CN211737802U (en) | 2020-10-23 |
Family
ID=72880047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020124058.8U Active CN211737802U (en) | 2020-01-19 | 2020-01-19 | Novel connecting structure of roller press main shaft and planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211737802U (en) |
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2020
- 2020-01-19 CN CN202020124058.8U patent/CN211737802U/en active Active
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