Rotating unit shaft sleeve locking device and locking method

Abstract

The present invention discloses a rotating unit shaft sleeve locking device and locking method. The device includes a shaft sleeve for being sleeved with a rotating shaft, the shaft sleeve being provided with a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose; the locking mechanism includes a transmission assembly, a prime mover, and a plurality of bolts, the bolts being threadedly connected in threaded holes coaxially arranged between the rotating shaft and the shaft sleeve, the transmission assembly being connected to the bolts, and the prime mover being connected to the transmission assembly; the prime mover being connected to a signal of the monitoring device, and the prime mover controlling the movement of the transmission assembly based on the monitoring result of the monitoring device so that the bolts lock the shaft sleeve on the rotating shaft. The present application ensures that the shaft sleeve is constantly locked when the rotating unit is in operation, thereby preventing accidents.

Description

Technical Field

[0001] The present invention relates to the technical field of rotating units, and in particular to a rotating unit shaft sleeve locking device and a locking method. Background Art

[0002] With the development of industrial technology, rotating machinery is widely used in the petrochemical industry, with trends toward automation, complexity, large-scale operation, and high speed, playing a key role in the development of the petrochemical industry. However, due to the long operating cycles of rotating units, frequent replacement of faulty parts, and the influence of the working environment, loosening between the rotating shaft and the sleeve can occur, directly affecting the stable, safe, and reliable operation of the unit. Therefore, how to prevent the loosening of the unit's sleeve, ensure the sleeve is locked during operation, and prevent safety accidents in rotating units is a key research focus. Summary of the Invention

[0003] The object of the present invention is to provide a rotating unit shaft sleeve locking device and locking method to solve the problem in the prior art that the shaft sleeve is loose and cannot be automatically locked when the unit is working.

[0004] To achieve the above object, the present invention is implemented by adopting the following technical solutions:

[0005] In a first aspect, the present invention discloses a rotating unit shaft sleeve locking device, comprising a shaft sleeve for being sleeved with a rotating shaft, the shaft sleeve being provided with a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose;

[0006] The locking mechanism includes a transmission assembly, a prime mover, and a plurality of bolts, wherein the bolts are threadedly connected to threaded holes coaxially arranged on the rotating shaft and the sleeve, the transmission assembly is connected to the bolts, and the prime mover is connected to the transmission assembly;

[0007] The driving member is connected to the monitoring device by signal, and the driving member controls the movement of the transmission assembly according to the monitoring result of the monitoring device, so that the bolt locks the sleeve on the rotating shaft.

[0008] Furthermore, the transmission assembly includes a transmission part, a fixed plate fixedly connected to the outer periphery of the sleeve, and a rotating ring rotatably connected to the fixed plate, the rotating ring is coaxially arranged on the outer periphery of the sleeve, and the inner ring of the rotating ring is provided with an inner gear ring;

[0009] The transmission part includes a plurality of nut members, the nut members are rotatably connected to the shaft sleeve, and the nut members are threadedly connected to the bolts, and the outer rings of the nut members are provided with bevel teeth;

[0010] A plurality of first gears are meshed in the inner gear ring, and a bevel gear meshing with the bevel gear is connected to the central axis of the first gear;

[0011] The rotating ring rotates to drive the nut member to rotate.

[0012] Furthermore, a flat portion is provided on the outer periphery of the sleeve, the outer ring of the bearing is welded to the flat portion, and the bottom surface of the nut member is welded to the inner ring of the bearing.

[0013] Furthermore, a second gear is provided on the fixed plate, and an outer gear ring is fixedly connected to the outer periphery of the rotating ring and meshes with the second gear;

[0014] The driving member is connected to the second gear.

[0015] Furthermore, there are four nut pieces.

[0016] Furthermore, a second gear is provided on the fixed plate, and an outer gear ring is fixedly connected to the outer periphery of the rotating ring and meshes with the second gear;

[0017] A rotating handle is connected to the central axis of the second gear.

[0018] Furthermore, the driving element is an electric motor.

[0019] Furthermore, the monitoring device includes a controller and a noise monitoring sensor installed on the shaft sleeve, and the controller is connected to the noise monitoring sensor and the motor or motor signal.

[0020] Furthermore, an annular groove is provided on the fixed plate, and one end of the rotating ring passes through the annular groove and is connected to a limiting end cover.

[0021] In a second aspect, the present invention discloses a method for locking a shaft sleeve of a rotating unit, using the locking device described in any one of the first aspects, the method comprising:

[0022] When the rotating unit is working, the monitoring component is used to monitor whether the sleeve is loose in real time;

[0023] When the shaft sleeve is loose, the controller in the monitoring component sends a control signal, and the control signal is used to control the start of the prime mover;

[0024] The driving member rotates to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate to lock the sleeve on the rotating shaft.

[0025] According to the above technical solution, the beneficial effects of the present invention are as follows: the present invention detects the shaft sleeve through a monitoring device, and the prime mover and the monitoring device are connected by signal. When the shaft sleeve is loose, the prime mover is controlled to work to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate, thereby realizing the locking of the shaft sleeve on the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Schematic diagram of the overall structure of the present invention;

[0027] Figure 2 for Figure 1 Left sectional view of

[0028] Figure 3 for Figure 2 Schematic diagram of the local structure;

[0029] Figure 4 for Figure 1 The main cross-sectional view of

[0030] Figure 5 Flowchart of the locking method.

[0031] Among them: 1. Bushing; 11. End face flange; 12. Plane part; 21. Fixed plate; 22. Rotating ring; 221. Limiting end cover; 23. Outer gear ring; 24. Second gear; 25. Inner gear ring; 26. Transmission part; 261. Bolt; 262. Nut; 263. Bearing; 264. Bevel gear; 265. First gear; 3. Noise monitoring sensor. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0033] It should be noted that, in the description of the present invention, the terms "front," "rear," "left," "right," "up," "down," "inside," and "outside" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are intended solely to facilitate the description of the present invention and do not require that the present invention be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. The terms "front," "rear," "left," "right," "up," and "down" used in the description of the present invention refer to directions in the accompanying drawings, and the terms "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0034] The shaft sleeves in conventional rotating units will wear out during use, and the worn shaft sleeves will cause looseness between the rotating shaft and the shaft sleeve. In the prior art, the loosening of the shaft sleeves can be solved by opening bolt holes on the rotating shaft and the shaft sleeve, and fixing the two by connecting bolts. Currently, the form of bolt locking requires shutdown operation, which delays the operation of the unit and affects production. The rotating unit shaft sleeve locking device and locking method of the present application can lock the loose shaft sleeve when the rotating unit is working to prevent accidents caused by loose shaft sleeves. Example 1

[0035] like Figures 1 to 4 As shown, a rotating unit sleeve locking device includes a sleeve 1 for being sleeved with a rotating shaft, the sleeve 1 being provided with a locking mechanism and a monitoring device for detecting whether the sleeve is loose; the locking mechanism includes a transmission assembly, a prime mover and a plurality of bolts 261, the bolts 261 being threadedly connected in threaded holes coaxially arranged on the rotating shaft and the sleeve 1, the transmission assembly and the bolts 261 being connected, and the prime mover being connected to the transmission assembly; the prime mover being connected to the monitoring device by signal, and the prime mover controlling the movement of the transmission assembly according to the monitoring result of the monitoring device so that the bolts 261 lock the sleeve on the rotating shaft.

[0036] The monitoring device provided in the present application can detect whether the shaft sleeve is loose. If the shaft sleeve is loose, the monitoring device sends a control signal to control the operation of the prime mover. The prime mover works to drive the bolt 261 to rotate through the transmission assembly. The bolt 261 rotates clockwise to lock the shaft sleeve and the rotating shaft, ensuring that the shaft sleeve is always locked when the rotating unit is working, thereby preventing accidents.

[0037] The present application is described in detail below with reference to the accompanying drawings.

[0038] like Figure 1 and Figure 2 As shown, one end of the sleeve 1 designed in this application is connected to the sleeve at the other end through a coupling through an end face flange 11. The inner ring of the other end of the sleeve is provided with a keyway, and a corresponding keyway is provided on the shaft. The sleeve is fixed by the connection between the key and the keyway.

[0039] To ensure a stable connection between the sleeve and the rotating shaft, a bolt 261 is provided. A through hole is provided in the sleeve 1, and a bolt hole is provided on the rotating shaft that is coaxial with the sleeve through hole. Bolt 261 penetrates the through hole and connects with the bolt hole to achieve locking of the sleeve and the rotating shaft. In this application, a monitoring device is provided to detect whether the sleeve is loose. When looseness of the sleeve 1 is detected, the driving member in the locking mechanism is controlled to operate. The driving member drives the transmission assembly to move the bolt up and down, completing the locking of the loose sleeve.

[0040] When the rotating unit is working, the looseness of the sleeve can be detected by ears or noise tester. If it is loose, different abnormal sounds or high noise vibration values will appear. The monitoring device of the present application is in the form of a noise monitoring sensor 3 installed on the sleeve 1. The noise monitoring sensor 3 is signal-connected to a controller. The controller stores the sound data when the sleeve rotates. After the noise data obtained by the noise monitoring sensor 3 is transmitted to the controller, the controller will compare the data with the sound data stored inside it. If the comparison result exceeds the set threshold, it means that the sleeve is loose. At this time, the controller will transmit a control signal to the prime mover to lock the sleeve 1.

[0041] In this application, a transmission assembly is specifically provided to lock the sleeve during operation. The transmission assembly includes 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 can be connected to the sleeve 1 by welding, or the two can be integrally formed. The rotating ring 22 is rotatably connected to the fixed plate 21 and is coaxially arranged with the sleeve 1. The inner diameter of the rotating ring 22 is larger than the outer diameter of the sleeve 1.

[0042] The inner ring of the rotating ring 22 is provided with an internal gear ring 25. The transmission portion 26 includes a nut 262. The inner ring of the nut 262 is threaded for threaded connection with the bolt 261. The outer ring of the nut 262 is provided with bevel teeth for rotating the nut 262. The nut 262 is rotatably connected to the shaft sleeve 1, so that the bolt 261 can move up and down when the nut 262 rotates.

[0043] In the present application, a plurality of first gears 265 are meshed in the inner gear ring 25. The first gears 265 are rotatably connected to the fixed plate 21 through the center shaft. The center shaft of the first gear 265 is also connected to a bevel gear 264 meshed with the bevel teeth; the rotation of the rotating ring 22 drives the first gear 265 to rotate, the rotation of the first gear 265 drives its center shaft to rotate, the rotation of the center shaft drives the bevel gear 264 to rotate, the bevel gear 264 drives the nut 262 meshed with it to rotate, and the rotation of the nut drives the bolt 261 to move up and down.

[0044] In a further embodiment of the present application, in order to facilitate the connection of the bearing, four flat portions 12 are evenly distributed on the outer circumference of the sleeve, and each flat portion is connected to a bearing, so as to realize the connection of four nut members 262 and bolts 261, and adopt a multi-point locking form to ensure the locking effect of the sleeve 1 on the rotating shaft.

[0045] Furthermore, if Figures 2 to 4As shown, the outer ring of the bearing 263 and the flat portion 12 are welded together to ensure that the bearing 263 is stably fixed on the sleeve 1, and the bottom surface of the nut member 262 and the inner ring of the bearing 263 are welded together. This connection form can ensure the effective rotation of the nut member 262, so that the bolt 261 can be driven up and down when the inner gear ring 25 rotates, thereby preventing the problem of the bolt 261 being unable to move due to the unstable fixation of the nut member 262.

[0046] Furthermore, a second gear 24 is rotatably connected to the fixed plate 21, and an outer ring gear 23 meshing with the second gear 24 is fixedly connected to the outer periphery of the rotating ring 22; the outer ring gear 23 can be connected to the outer periphery of the second gear 24 by welding, and the output end of the prime mover is connected to the second gear 24.

[0047] The operation of the prime mover drives the second gear 24 to rotate, and the rotation of the second gear 24 drives the outer ring gear 23 to rotate. The outer ring gear 23 drives the rotating ring 22 fixedly connected to it to rotate. The rotating ring 22 drives the first gear 265 to rotate through the inner ring gear 25 inside it. The central axis of the first gear 265 drives the bevel gear 264 to rotate, and then drives the bolt 261 to move up and down through the nut member 262.

[0048] In some further embodiments, the prime mover can be an electric motor or a motor, and the signal transmission is achieved by connecting the electric motor or the motor to the controller. The controller sends a signal to the motor to control its operation, thereby achieving the rotation of the rotating ring 22.

[0049] In some further embodiments, to ensure and facilitate the connection of the rotating ring 22, an annular groove is provided on the fixed plate 21. To connect the rotating ring 22, the right end of the rotating ring 22 is passed through the annular groove on the fixed plate 21. After the right end of the rotating ring 22 passes through the annular groove, the rotating ring 22 is secured by a stopper end cap 221. Furthermore, a slip ring can be provided in the annular groove to facilitate the smooth sliding of the rotating ring 22. Example 2

[0050] Based on the rotating unit sleeve locking device provided in Example 1, this embodiment also provides a sleeve locking method, which includes the following steps: judging whether the sleeve is loose through a monitoring component; when the sleeve is loose, controlling the prime mover to start; the prime mover controls the movement of the transmission component, and the transmission component drives the bolt to rotate to lock the sleeve on the rotating shaft.

[0051] Specifically, the noise data of the sleeve is obtained through the noise monitoring sensor 3, and the noise data is transmitted to the controller and compared with the sound data stored in the controller. Whether the sleeve is loose is obtained based on the comparison result. When the sleeve is loose, the controller sends a control signal to control the motor to work. The motor drives the outer ring gear 23 to rotate through the second gear 24. The outer ring gear 23 drives the first gear 265 to rotate through the rotating ring 22 and the inner ring gear 25 inside it. The center axis of the first gear 265 drives the bevel gear 264 to rotate, and then drives the bolt 261 to move up and down through the nut 262.

[0052] It is understood from common technical knowledge that the present invention may be implemented by other embodiments that do not depart from its spirit or essential features. Therefore, the embodiments disclosed above are, in all respects, merely illustrative and not exclusive. All modifications within the scope of the present invention or equivalent to the scope of the present invention are intended to be encompassed by the present invention.

Claims

1. A rotating unit sleeve locking device, comprising a sleeve for sleeve-engaging a rotating shaft, characterized in that: The shaft sleeve is provided with a locking mechanism and a monitoring device for detecting whether the shaft sleeve is loose; The locking mechanism includes a transmission assembly, a prime mover, and a plurality of bolts, wherein the bolts are threadedly connected to threaded holes coaxially arranged on the rotating shaft and the sleeve, the transmission assembly is connected to the bolts, and the prime mover is connected to the transmission assembly; The driving member is connected to the monitoring device by signal, and the driving member controls the movement of the transmission assembly according to the monitoring result of the monitoring device, so that the bolt locks the sleeve on the rotating shaft; The transmission assembly includes a transmission part, a fixed plate fixedly connected to the outer periphery of the sleeve, and a rotating ring rotatably connected to the fixed plate, the rotating ring is coaxially arranged on the outer periphery of the sleeve, and the inner ring of the rotating ring is provided with an inner gear ring; The transmission part includes a plurality of nut members, the nut members are rotatably connected to the shaft sleeve, and the nut members are threadedly connected to the bolts, and the outer rings of the nut members are provided with bevel teeth; A plurality of first gears are meshed in the inner gear ring, and a bevel gear meshing with the bevel gear is connected to the central axis of the first gear; The rotating ring rotates to drive the nut member to rotate; The outer periphery of the sleeve is provided with a flat surface, the outer ring of the bearing is welded to the flat surface, and the bottom surface of the nut is welded to the inner ring of the bearing; The fixed plate is further provided with a second gear, and the outer periphery of the rotating ring is fixedly connected to an outer gear ring meshing with the second gear; The driving member is connected to the second gear; The fixed plate is further provided with a second gear, and the outer periphery of the rotating ring is fixedly connected to an outer gear ring meshing with the second gear; A rotating handle is connected to the central axis of the second gear.

2. The rotating unit shaft sleeve locking device according to claim 1, characterized in that: The number of the nut members is four.

3. The rotating unit shaft sleeve locking device according to any one of claims 1-2, characterized in that: The prime mover is a motor.

4. The rotating unit shaft sleeve locking device according to claim 3, characterized in that: The monitoring device includes a controller and a noise monitoring sensor installed on the shaft sleeve. The controller is connected to the noise monitoring sensor and the motor signal.

5. The rotating unit shaft sleeve locking device according to claim 3, characterized in that: The fixing plate is provided with an annular groove, and one end of the rotating ring passes through the annular groove and is connected to a limiting end cover.

6. A method for locking a shaft sleeve of a rotating unit, characterized in that: Using the locking device according to any one of claims 1 to 5, the method comprises: When the rotating unit is working, the monitoring component is used to monitor whether the sleeve is loose in real time; When the shaft sleeve is loose, the controller in the monitoring component sends a control signal, and the control signal is used to control the start of the prime mover; The driving member rotates to drive the transmission assembly to move, and the transmission assembly drives the bolt to rotate to lock the sleeve on the rotating shaft.

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