CN211901059U - Industrial fan rotating shaft - Google Patents
Industrial fan rotating shaft Download PDFInfo
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- CN211901059U CN211901059U CN201921418267.7U CN201921418267U CN211901059U CN 211901059 U CN211901059 U CN 211901059U CN 201921418267 U CN201921418267 U CN 201921418267U CN 211901059 U CN211901059 U CN 211901059U
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- rotating shaft
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Abstract
The utility model relates to the technical field of industrial fans, in particular to an industrial fan rotating shaft which comprises an industrial fan motor rotating shaft, the motor shaft is provided with an annular boss at a position close to the motor shell, a threaded hole is arranged at the end part of the motor shaft along the axial direction of the motor shaft, the motor shaft further comprises a first bolt matched with the threaded hole, the motor rotating shaft is sleeved with a first conical shaft sleeve which is in interference fit with the motor rotating shaft, the first conical shaft sleeve is arranged in a conical through hole in the middle of the inner inserting type chassis, the inner inserting type chassis also comprises a chassis lower disc which is connected with the bottom of the inner inserting type chassis through a bolt, the center of the lower disc of the chassis is provided with a through hole, the size of the through hole is matched with that of the first bolt, a strip-shaped groove is formed in the outer conical surface of the first conical shaft sleeve to enable the first conical shaft sleeve to become an unclosed conical shaft sleeve, and the width of the strip-shaped groove is matched with a shaft key on a rotating shaft of the motor. The utility model provides a stable in structure is reliable, cooperates inseparable industrial fan pivot and accessory.
Description
Technical Field
The utility model relates to an industrial fan technical field, in particular to industrial fan pivot.
Background
The general industrial fan mainly comprises fan blades, a motor, a speed reducer and a chassis, the speed reducer and the motor are integrated into a whole sometimes, a main shaft of a motor of the existing large-scale industrial fan is directly connected to the chassis, and due to the fact that the diameter of the fan blades is large, under the long-term use of overlarge running torque and load, the main shaft of the motor and gears inside the speed reducer are prone to being seriously abraded, oil leakage of the motor or the speed reducer is prone to occurring, the fan runs unstably, the main shaft is prone. At present, a main shaft of an industrial fan is unstable in installation, easy to shake and high in potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stable in structure is reliable, cooperates inseparable industrial fan pivot and accessory, for realizing above-mentioned purpose, the utility model discloses a following technical scheme:
an industrial fan rotating shaft comprises an industrial fan motor rotating shaft and is characterized in that an annular boss is arranged at a position, close to a motor shell, of the motor rotating shaft, a threaded hole is formed in the end portion of the motor rotating shaft in the axial direction of the motor rotating shaft, a first bolt matched with the threaded hole is further included, a first conical shaft sleeve in interference fit with the motor rotating shaft is sleeved on the motor rotating shaft, the first conical shaft sleeve is arranged in a conical through hole in the middle of an inner insertion type chassis, a plurality of pairs of bolt holes are symmetrically formed in the bottom of the inner insertion type chassis along the central line of the inner insertion type chassis, a lower chassis disk connected with the bottom of the inner insertion type chassis through bolts is further included, a through hole is formed in the center of the lower chassis disk, the size of the through hole is matched with the motor rotating shaft, an annular boss is arranged in the center of one side, the outer circumference radius of the annular boss is matched with the diameter of the ring at the bottom of the first conical shaft sleeve, a strip-shaped groove is formed in the outer conical surface of the first conical shaft sleeve to enable the first conical shaft sleeve to become an unclosed conical shaft sleeve, and the width of the strip-shaped groove is matched with a shaft key on a motor rotating shaft.
Preferably, the inner cavity surface of the first tapered bushing is cylindrical.
Preferably, a flat key is arranged on the outer side of the first taper sleeve.
Preferably, the bottom of the first taper shaft sleeve is provided with a screw hole, and the position corresponding to the disc under the chassis is also provided with a through hole which are connected through a screw.
Preferably, the screw holes are uniformly distributed along the circumference, and the number of the screw holes is 3.
Preferably, the inner insertion type chassis comprises a bottom disc, a first boss is arranged on the bottom disc, a tapered through hole is preferably formed in the center of the first boss, a cylindrical groove coaxial with the first boss is formed in the lower side of the bottom disc, and fan blades are fixedly arranged on the bottom disc.
The utility model discloses a technical scheme in first taper sleeve be the open type design, and first taper sleeve inner chamber is cylindrical for disc extrusion under the chassis when the bolt between disc and the interpolation formula chassis under last tight chassis first taper sleeve, first taper sleeve can compress more tightly more for closely cooperate between axle sleeve and the motor spindle, and first taper sleeve also cooperates more closely with interpolation formula chassis, very big reduction the vibration of motor operation in-process, this kind of mode through bolted connection is also comparatively reliable and stable simultaneously.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is an enlarged view of a schematic structural diagram of a specific embodiment B of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a stable in structure is reliable, cooperates inseparable industrial fan pivot and accessory, for realizing above-mentioned purpose, the utility model discloses a following technical scheme:
an industrial fan rotating shaft comprises an industrial fan motor rotating shaft 1, and is characterized in that an annular boss 2 is arranged at a position, close to a motor shell, of the motor rotating shaft 1, a threaded hole is formed in the end portion of the motor rotating shaft in the axial direction of the motor rotating shaft, a first bolt 3 matched with the threaded hole is further included, a first conical shaft sleeve 4 in interference fit with the motor rotating shaft 1 is sleeved on the motor rotating shaft 1, the first conical shaft sleeve 4 is arranged in a conical through hole in the middle of an inserted chassis 5, a plurality of pairs of bolt holes are symmetrically formed in the bottom of the inserted chassis 5 along the central line of the inserted chassis 5, a chassis lower disc 6 connected with the bottom of the inserted chassis through bolts 7 is further included, a through hole is formed in the center of the chassis lower disc 6, the size of the through hole is matched with the motor rotating shaft 1, and an annular boss 8 is arranged in the center, the inner aperture of the annular boss 8 is matched with the motor rotating shaft 1, the outer circumference radius of the annular boss 8 is matched with the diameter of a first conical shaft sleeve ring, a strip-shaped groove 9 is formed in the outer conical surface of the first conical shaft sleeve 4 to enable the first conical shaft sleeve to become an unclosed conical shaft sleeve, and the width of the strip-shaped groove is matched with a shaft key on the motor rotating shaft.
Preferably, the inner cavity surface of the first taper sleeve 4 is cylindrical.
Preferably, a flat key is arranged outside the first taper sleeve 4.
Preferably, the bottom of the first taper sleeve 4 is provided with a screw hole, and the corresponding position of the disc 6 under the chassis is also provided with a through hole which are connected through a screw.
Preferably, the screw holes are uniformly distributed along the circumference, and the number of the screw holes is 3.
Preferably, the interpolation chassis comprises a bottom disc 11, a first boss is arranged on the bottom disc 11, preferably, a tapered through hole is arranged in the center of the first boss, a cylindrical groove 10 coaxial with the bottom disc 11 is arranged on the lower side of the bottom disc 11, and fan blades are fixedly arranged on the bottom disc.
The utility model discloses a technical scheme in first taper sleeve be the open type design, and first taper sleeve inner chamber is cylindrical for disc extrusion under the chassis when the bolt between disc and the interpolation formula chassis under last tight chassis first taper sleeve, first taper sleeve can compress more tightly more for closely cooperate between axle sleeve and the motor spindle, and first taper sleeve also cooperates more closely with interpolation formula chassis, very big reduction the vibration of motor operation in-process, this kind of mode through bolted connection is also comparatively reliable and stable simultaneously.
Claims (6)
1. An industrial fan rotating shaft comprises an industrial fan motor rotating shaft and is characterized in that an annular boss is arranged at a position, close to a motor shell, of the motor rotating shaft, a threaded hole is formed in the end portion of the motor rotating shaft in the axial direction of the motor rotating shaft, a first bolt matched with the threaded hole is further included, a first conical shaft sleeve in interference fit with the motor rotating shaft is sleeved on the motor rotating shaft, the first conical shaft sleeve is arranged in a conical through hole in the middle of an inner inserting type chassis, a plurality of pairs of bolt holes are symmetrically formed in the bottom of the inner inserting type chassis along the central line of the inner inserting type chassis, a lower chassis disk connected with the bottom of the inner inserting type chassis through bolts is further included, a through hole is formed in the center of the lower chassis disk, the size of the through hole is matched with that of the motor rotating, the inner aperture of the annular boss is matched with the motor rotating shaft, the outer circumference radius of the annular boss is matched with the diameter of the ring at the bottom of the first conical shaft sleeve, a strip-shaped groove is formed in the outer conical surface of the first conical shaft sleeve to enable the first conical shaft sleeve to become an unclosed conical shaft sleeve, and the width of the strip-shaped groove is matched with a shaft key on the motor rotating shaft.
2. The industrial fan shaft of claim 1 wherein the inner surface of said first tapered sleeve is cylindrical.
3. The industrial fan rotor as claimed in claim 1, wherein the first taper bush is provided at an outer side thereof with a flat key.
4. The industrial fan rotating shaft according to claim 1, wherein the first cone sleeve is provided with a screw hole at the bottom, and a through hole is provided at a position corresponding to the lower disk of the base plate, and the two are connected by a screw.
5. The industrial fan rotor as claimed in claim 4, wherein the screw holes are uniformly distributed along the circumference, and the number of the screw holes is 3.
6. The industrial fan shaft as claimed in claim 1, wherein the inner insertion type base plate comprises a base disc, a first boss is arranged on the base disc, a tapered through hole is arranged in the center of the first boss, a cylindrical groove coaxial with the first boss is arranged on the lower side of the base disc, and fan blades are fixedly arranged on the base disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418267.7U CN211901059U (en) | 2019-08-29 | 2019-08-29 | Industrial fan rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921418267.7U CN211901059U (en) | 2019-08-29 | 2019-08-29 | Industrial fan rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901059U true CN211901059U (en) | 2020-11-10 |
Family
ID=73286041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921418267.7U Active CN211901059U (en) | 2019-08-29 | 2019-08-29 | Industrial fan rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901059U (en) |
-
2019
- 2019-08-29 CN CN201921418267.7U patent/CN211901059U/en active Active
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