CN116221288A - Locking device and locking method for shaft sleeve of rotary unit - Google Patents

Locking device and locking method for shaft sleeve of rotary unit Download PDF

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Publication number
CN116221288A
CN116221288A CN202310162485.3A CN202310162485A CN116221288A CN 116221288 A CN116221288 A CN 116221288A CN 202310162485 A CN202310162485 A CN 202310162485A CN 116221288 A CN116221288 A CN 116221288A
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CN
China
Prior art keywords
shaft sleeve
rotating
ring
gear
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310162485.3A
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Chinese (zh)
Inventor
林水泉
朱冠华
张清华
孙国玺
雷高伟
邓向武
袁鹏慧
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Guangdong University of Petrochemical Technology
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Guangdong University of Petrochemical Technology
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Filing date
Publication date
Application filed by Guangdong University of Petrochemical Technology filed Critical Guangdong University of Petrochemical Technology
Priority to CN202310162485.3A priority Critical patent/CN116221288A/en
Publication of CN116221288A publication Critical patent/CN116221288A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

The invention discloses a locking device and a locking method for a shaft sleeve of a rotary unit, wherein the device comprises a shaft sleeve sleeved with a rotating shaft, and the shaft sleeve is provided with a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose; the locking mechanism comprises a transmission assembly, a driving piece and a plurality of bolts, wherein the bolts are in threaded connection with threaded holes coaxially formed in the rotating shaft and the shaft sleeve, the transmission assembly is connected with the bolts, and the driving piece is connected with the transmission assembly; the driving element is connected with the monitoring device through signals, and the driving element controls the transmission assembly to move according to the monitoring result of the monitoring device so that the bolt locks the shaft sleeve on the rotating shaft. The shaft sleeve locking device ensures that the shaft sleeve is locked at the moment when the rotary unit works, and accidents are prevented.

Description

Locking device and locking method for shaft sleeve of rotary unit
Technical Field
The invention relates to the technical field of rotating units, in particular to a locking device and a locking method for a shaft sleeve of a rotating unit.
Background
With the development of industrial technology, rotary machines are widely applied to the field of petrochemical industry, tend to be automatic, complex, large-sized and high-speed, and play a key role in the development of the petrochemical industry. However, due to the long-period work of the rotary machine set, frequent replacement of fault parts, working environment and other influences, the phenomena of loosening and the like between the rotating shaft and the shaft sleeve can be caused, and the stable, safe and reliable operation of the machine set is directly influenced. Therefore, how to avoid the looseness of the unit shaft sleeve, ensure the locking of the shaft sleeve during the operation of the unit and prevent the occurrence of safety accidents of the rotary unit is the key point of our research.
Disclosure of Invention
The invention aims to provide a locking device and a locking method for a shaft sleeve of a rotary unit, which are used for solving the problem that the shaft sleeve cannot be automatically locked when the unit works in the prior art.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a shaft sleeve locking device of a rotary unit, which comprises a shaft sleeve sleeved with a rotating shaft, wherein a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose are arranged on the shaft sleeve;
the locking mechanism comprises a transmission assembly, a driving piece and a plurality of bolts, wherein the bolts are in threaded connection with threaded holes formed in the rotating shaft and the shaft sleeve coaxially, the transmission assembly is connected with the bolts, and the driving piece is connected with the transmission assembly;
the driving part is in signal connection with the monitoring device, and the driving part controls the transmission assembly to move according to the monitoring result of the monitoring device so that the bolt locks the shaft sleeve on the rotating shaft.
Further, the transmission assembly comprises a transmission part, a fixed plate fixedly connected to the periphery of the shaft sleeve and a rotating ring rotationally connected with the fixed plate, the rotating ring is coaxially arranged on the periphery of the shaft sleeve, and an inner gear ring is arranged on an inner ring of the rotating ring;
the transmission part comprises a plurality of nut pieces, the nut pieces are rotatably connected to the shaft sleeve, the nut pieces are in threaded connection with the bolts, and the outer ring of each nut piece is provided with bevel teeth;
the inner gear ring is internally meshed with a plurality of first gears, and a bevel gear meshed with the bevel gear is also connected to the central shaft of the first gears;
the rotating ring rotates to drive the nut piece to rotate.
Further, a plane part is arranged on the periphery of the shaft sleeve, the outer ring of the bearing is connected with the plane part in a welding way, and the bottom surface of the nut piece is connected with the inner ring of the bearing in a welding way.
Further, a second gear is further arranged on the fixed plate, and an outer gear ring meshed with the second gear is fixedly connected to the periphery of the rotating ring;
the driving element is connected with the second gear.
Further, the number of the nut members is four.
Further, a second gear is further arranged on the fixed plate, and an outer gear ring meshed with the second gear is fixedly connected to the periphery of the rotating ring;
and a rotating handle is connected to the central shaft of the second gear.
Further, the motive element is an electric motor or a motor.
Further, the monitoring device comprises a controller and a noise monitoring sensor arranged on the shaft sleeve, and the controller is in signal connection with the noise monitoring sensor, the motor or the motor.
Further, an annular groove is formed in the fixing plate, and one end of the rotating ring penetrates through the annular groove and is connected with a limiting end cover.
In a second aspect, the present invention discloses a locking method for a shaft sleeve of a rotary unit, and the locking device in any one of the first aspects is adopted, and the method includes:
when the rotary unit works, whether the shaft sleeve is loosened or not is monitored in real time through the monitoring component;
when the shaft sleeve is loosened, a controller in the monitoring assembly sends a control signal, and the control signal is used for controlling the starting of the driving element;
the driving part rotates to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate so as to lock the shaft sleeve on the rotating shaft.
According to the technical scheme, the invention has the beneficial effects that: according to the invention, the monitoring device is used for detecting the shaft sleeve, the driving piece is in signal connection with the monitoring device, when the shaft sleeve is loosened, the driving piece is controlled to work so as to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate, so that the shaft sleeve on the rotating shaft can be locked.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side cross-sectional view of FIG. 1;
FIG. 3 is a partial schematic view of the structure of FIG. 2;
FIG. 4 is a front cross-sectional view of FIG. 1;
fig. 5 is a flow chart of the locking method.
Wherein: 1. a shaft sleeve; 11. an end face flange; 12. a planar portion; 21. a fixing plate; 22. a rotating ring; 221. a limiting end cover; 23. an outer ring gear; 24. a second gear; 25. an inner gear ring; 26. a transmission part; 261. a bolt; 262. a nut member; 263. a bearing; 264. bevel gears; 265. a first gear; 3. noise monitoring sensor.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present invention refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
The axle sleeve in conventional rotary machine group can cause wearing and tearing in the use, and the axle sleeve of wearing and tearing can cause the phenomenon such as become flexible between axis of rotation and the axle sleeve, and the bolt hole is seted up on axis of rotation and the axle sleeve to the flexible accessible in prior art, realizes both fixed through connecting bolt. At present, the locking mode through bolts is heavy in need of stopping operation, and the stopping delays the work of the unit, so that the yield is affected. According to the locking device and the locking method for the shaft sleeve of the rotary unit, the shaft sleeve can be locked when the rotary unit works, and the accident influence caused by the loosening of the shaft sleeve is prevented.
Example 1
As shown in fig. 1 to 4, a shaft sleeve locking device of a rotary unit comprises a shaft sleeve 1 which is sleeved with a rotating shaft, wherein the shaft sleeve 1 is provided with a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose; the locking mechanism comprises a transmission assembly, a driving piece and a plurality of bolts 261, wherein the bolts 261 are in threaded connection with threaded holes coaxially formed in the rotating shaft and the shaft sleeve 1, the transmission assembly is connected with the bolts 261, and the driving piece is connected with the transmission assembly; the driving element is connected with the monitoring device through signals, and the driving element controls the transmission assembly to move according to the monitoring result of the monitoring device, so that the bolt 261 locks the shaft sleeve on the rotating shaft.
The monitoring device that this application set up can detect whether the axle sleeve is not hard up, if the axle sleeve is not hard up, and monitoring device sends control signal control primary movement work, and primary movement work is in order to drive bolt 261 rotation through drive assembly, and bolt 261 clockwise rotation is in order to make axle sleeve and axis of rotation locking, guarantees the moment locking of the during operation axle sleeve of rotary machine set, has prevented the emergence of accident.
The present application is specifically described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, one end of a shaft sleeve 1 designed in the application is connected with a shaft sleeve at the other end through a set end face flange 11 in combination with a shaft coupling, a key groove is formed in an inner ring at the other end of the shaft sleeve, a corresponding key groove is formed in the shaft, and the shaft sleeve is fixed through connection of the key and the key groove.
In order to ensure the connection stability of the shaft sleeve and the rotating shaft, a bolt 261 is specially arranged, a through hole is formed in the shaft sleeve 1, a bolt hole coaxial with the through hole in the shaft sleeve is formed in the rotating shaft, and the bolt 261 penetrates through the through hole and is connected with the bolt hole to lock the shaft sleeve and the rotating shaft. The monitoring device is specially arranged in the application and used for detecting whether the shaft sleeve is loose or not, when the working of a driving part in the locking mechanism is controlled after the looseness of the shaft sleeve 1 is detected, the driving part is operated to drive the transmission assembly to move so as to realize the up-and-down movement of the bolt, and the locking of the loose shaft sleeve is completed.
When the rotary unit works, the loosening detection of the shaft sleeve can be carried out through the ear or the noise tester, and if the loosening detection is carried out, different abnormal sounds or noise vibration values are high. The monitoring device of this application adopts the form of installing the noise monitoring sensor 3 on axle sleeve 1, noise monitoring sensor 3 and signal connection have the controller, the sound data when the axle sleeve rotates has been stored to the controller, after the noise data transmission to the controller that noise monitoring sensor 3 obtained, the controller can compare this data and its inside stored sound data, if the result of comparison exceeds the settlement threshold value, then it is not hard up to demonstrate the axle sleeve, the controller can transmit control signal to the primary part this moment to locking axle sleeve 1.
In this application, a transmission assembly is provided in particular, which enables the sleeve to be locked during operation, the transmission assembly comprising a transmission portion 26, a fixed plate 21 fixedly connected to the outer periphery of the sleeve 1, and a rotating ring 22 rotatably connected to the fixed plate 21, the fixed plate 21 being connectable to the sleeve 1 by means of a welded connection, or both being integrally formed. The rotary ring 22 is rotatably connected with the fixing plate 21, and the rotary ring 22 and the sleeve 1 are coaxially arranged, and the inner diameter of the rotary ring 22 is larger than the outer diameter of the sleeve 1.
An inner ring gear 25 is arranged on the inner ring of the rotating ring 22; the transmission part 26 includes a nut member 262, an inner ring of the nut member 262 is provided with threads for threaded connection with the bolt 261, and an outer ring of the nut member 262 is provided with bevel teeth for rotating the nut member 262. The nut member 262 is rotatably coupled to the sleeve 1 to achieve up and down movement of the bolt 261 when the nut member 262 is rotated.
In the present application, the inner gear ring 25 is internally meshed with a plurality of first gears 265, the first gears 265 are rotationally connected with the fixed plate 21 through a central shaft, and the central shaft of the first gears 265 is also connected with a bevel gear 264 meshed with the bevel gear; the rotation ring 22 rotates to drive the first gear 265 to rotate, the first gear 265 rotates to drive the central shaft to rotate, the central shaft rotates to drive the bevel gear 264 to rotate, the bevel gear 264 drives the nut member 262 meshed with the bevel gear 264 to rotate, and the nut member rotates to drive the bolt 261 to move up and down.
In this application further embodiment, in order to be convenient for connect the bearing, there are four plane portions 12 at the periphery equipartition of axle sleeve, and every plane portion connects a bearing, can realize the connection of four nut pieces 262 and bolt 261, adopts the form of many locking to guarantee the locking effect of axle sleeve 1 on the axis of rotation.
Further, as shown in fig. 2 to 4, the outer ring of the bearing 263 and the plane 12 are welded together to ensure the stability of the bearing 263 on the shaft sleeve 1, and the bottom surface of the nut member 262 is welded together with the inner ring of the bearing 263, so that the effective rotation of the nut member 262 can be ensured, the bolt 261 can be driven to move up and down when the ring gear 25 rotates, and the problem that the bolt 261 cannot move due to the instability of the fixation of the nut member 262 can be prevented.
Further, the fixed plate 21 is also rotatably connected with a second gear 24, and the outer circumference of the rotating ring 22 is fixedly connected with an outer gear ring 23 meshed with the second gear 24; the outer ring gear 23 may be connected to the outer periphery of the second gear 24 by welding, and the output end of the driving member is connected to the second gear 24.
The driving part works to drive the second gear 24 to rotate, the second gear 24 rotates to drive the outer gear ring 23 to rotate, the outer gear ring 23 drives the rotating ring 22 fixedly connected with the outer gear ring 23 to rotate, the rotating ring 22 drives the first gear 265 to rotate through the inner gear ring 25 inside the rotating ring 22, the central shaft of the first gear 265 drives the bevel gear 264 to rotate, and then the bolt 261 is driven to move up and down through the nut member 262.
In some further embodiments, the driving member may be a motor or a motor, and the signal transmission is realized through signal connection between the motor or the motor and the controller. The controller sends a signal to the motor to control its operation, thereby effecting rotation of the rotary ring 22.
In some further embodiments, in order to secure the connection of the rotating ring 22 and facilitate the connection of the rotating ring 22, a ring groove is provided on the fixing plate 21. When the rotary ring 22 is connected, the right end of the rotary ring 22 passes through the annular groove on the fixed plate 21, and when the right end of the rotary ring 22 passes through the annular groove, the rotary ring 22 is fixed by the limiting end cover 221. Further, a slip ring may be provided in the ring groove to facilitate smooth sliding of the rotary ring 22.
Example 2
Based on the rotating unit shaft sleeve locking device provided in the embodiment 1, the embodiment also provides a shaft sleeve locking method, which comprises the following steps that whether the shaft sleeve is loose or not is judged through a monitoring component; when the shaft sleeve is loosened, the starting of the driving element is controlled; the driving part controls the transmission assembly to move, and the transmission assembly drives the bolt to rotate so as to lock the shaft sleeve on the rotating shaft.
Specifically, the noise monitoring sensor 3 is used for acquiring noise data of the shaft sleeve, the noise data is transmitted to the controller and compared with sound data stored in the controller, whether the shaft sleeve is loosened is acquired according to a comparison result, when the shaft sleeve is loosened, the controller sends out a control signal to control the motor to work, the motor drives the outer gear ring 23 to rotate through the second gear 24, the outer gear ring 23 drives the first gear 265 to rotate through the rotating ring 22 and the inner gear ring 25 inside the rotating ring, the central shaft of the first gear 265 drives the bevel gear 264 to rotate, and then the bolt 261 is driven to move up and down through the nut member 262.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.

Claims (10)

1. The shaft sleeve locking device of the rotary unit comprises a shaft sleeve sleeved with a rotating shaft, and is characterized in that a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose or not are arranged on the shaft sleeve;
the locking mechanism comprises a transmission assembly, a driving piece and a plurality of bolts, wherein the bolts are in threaded connection with threaded holes formed in the rotating shaft and the shaft sleeve coaxially, the transmission assembly is connected with the bolts, and the driving piece is connected with the transmission assembly;
the driving part is in signal connection with the monitoring device, and the driving part controls the transmission assembly to move according to the monitoring result of the monitoring device so that the bolt locks the shaft sleeve on the rotating shaft.
2. The rotating unit shaft sleeve locking device according to claim 1, wherein the transmission assembly comprises a transmission part, a fixed plate fixedly connected to the periphery of the shaft sleeve and a rotating ring rotatably connected with the fixed plate, the rotating ring is coaxially arranged on the periphery of the shaft sleeve, and an inner ring gear is arranged on an inner ring of the rotating ring;
the transmission part comprises a plurality of nut pieces, the nut pieces are rotatably connected to the shaft sleeve, the nut pieces are in threaded connection with the bolts, and the outer ring of each nut piece is provided with bevel teeth;
the inner gear ring is internally meshed with a plurality of first gears, and a bevel gear meshed with the bevel gear is also connected to the central shaft of the first gears;
the rotating ring rotates to drive the nut piece to rotate.
3. The rotating unit shaft sleeve locking device according to claim 2, wherein a plane part is arranged on the periphery of the shaft sleeve, an outer ring of the bearing is welded with the plane part, and a bottom surface of the nut member is welded with an inner ring of the bearing.
4. The rotating unit shaft sleeve locking device according to claim 2, wherein a second gear is further arranged on the fixed plate, and an outer ring gear meshed with the second gear is fixedly connected to the periphery of the rotating ring;
the driving element is connected with the second gear.
5. A rotary unit bushing locking device according to any one of claims 2, wherein the number of nut members is four.
6. The rotating unit shaft sleeve locking device according to claim 2, wherein a second gear is further arranged on the fixed plate, and an outer ring gear meshed with the second gear is fixedly connected to the periphery of the rotating ring;
and a rotating handle is connected to the central shaft of the second gear.
7. A rotary unit bushing locking device according to any one of claims 1-6, wherein the motive element is an electric or motor.
8. The rotating unit sleeve locking device according to claim 7, wherein the monitoring device comprises a controller and a noise monitoring sensor mounted on the sleeve, the controller being in signal connection with the noise monitoring sensor, the electric machine or the motor.
9. The rotating unit shaft sleeve locking device according to claim 7, wherein the fixed plate is provided with a ring groove, and one end of the rotating ring penetrates through the ring groove and is connected with a limiting end cover.
10. A method of locking a rotor set bushing, characterized in that a locking device according to any one of claims 1-9 is used, said method comprising:
when the rotary unit works, whether the shaft sleeve is loosened or not is monitored in real time through the monitoring component;
when the shaft sleeve is loosened, a controller in the monitoring assembly sends a control signal, and the control signal is used for controlling the starting of the driving element;
the driving part rotates to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate so as to lock the shaft sleeve on the rotating shaft.
CN202310162485.3A 2023-02-24 2023-02-24 Locking device and locking method for shaft sleeve of rotary unit Pending CN116221288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310162485.3A CN116221288A (en) 2023-02-24 2023-02-24 Locking device and locking method for shaft sleeve of rotary unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310162485.3A CN116221288A (en) 2023-02-24 2023-02-24 Locking device and locking method for shaft sleeve of rotary unit

Publications (1)

Publication Number Publication Date
CN116221288A true CN116221288A (en) 2023-06-06

Family

ID=86580126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310162485.3A Pending CN116221288A (en) 2023-02-24 2023-02-24 Locking device and locking method for shaft sleeve of rotary unit

Country Status (1)

Country Link
CN (1) CN116221288A (en)

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