CN220060527U - Servo rotating mechanism combined sealing device suitable for marine environment - Google Patents
Servo rotating mechanism combined sealing device suitable for marine environment Download PDFInfo
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- CN220060527U CN220060527U CN202321725897.5U CN202321725897U CN220060527U CN 220060527 U CN220060527 U CN 220060527U CN 202321725897 U CN202321725897 U CN 202321725897U CN 220060527 U CN220060527 U CN 220060527U
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- azimuth
- oil groove
- sealing
- oil
- sealing device
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- 238000007789 sealing Methods 0.000 title claims abstract description 99
- 230000003068 static effect Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000016507 interphase Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000004519 grease Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a combined sealing device of a servo rotating mechanism suitable for marine environment, which comprises an azimuth shafting and an azimuth base, wherein the upper part of the azimuth base is provided with a sealing cover body, the edge of the bottom of the sealing cover body is provided with a movable labyrinth oil groove, the edge of the top of the azimuth base is provided with a static labyrinth oil groove, a self-compensating sealing device is arranged in a mounting groove at the inner side of the static labyrinth oil groove, the outer wall of the azimuth base is provided with an oil exchanging port, the oil exchanging port is communicated with an oil groove at the outer side of the static labyrinth oil groove, and an oil port plug is arranged on the oil exchanging port. The utility model adopts a mode of combining dynamic labyrinth oil grooves and static labyrinth oil grooves as an external isolation functional unit, adopts a sealing device as an internal sealing functional unit, combines the two sealing functional units, makes up for the shortages, optimizes the design, and achieves the optimal sealing effect of the relative rotation of the servo mechanism in the marine environment.
Description
Technical Field
The utility model belongs to the technical field of marine environment adaptability equipment, and particularly relates to a combined sealing device of a servo rotating mechanism suitable for a marine environment.
Background
At present, two sealing modes of a servo rotating mechanism suitable for marine environments mainly exist: the first is oil groove sealing, namely, a labyrinth form of 'canine teeth staggered' is designed and processed at a part which has relative rotation and needs sealing protection, then a proper amount of lubricating grease is injected into the labyrinth, and oil is uniformly formed into an oil seal by servo rotation; the sealing mode is cheap and simple, is convenient to maintain, is adopted on a large scale, but has limited sealing effect on water vapor, and particularly can be diluted and deteriorated by grease in a marine environment for a long time to influence the sealing effect; and the grease has certain fluidity, so the grease is easily influenced by the equipment posture, and the sealing uniformity performance is influenced. The second is sealing in the way of sealing ring, processing the sealing groove at the relative rotation position, installing the sealing ring with corresponding specification, and the sealing ring is extruded and deformed between the rotation part and the non-rotation part in proper amount to achieve the sealing purpose; compared with the oil groove sealing, the sealing mode has better water vapor sealing effect and is not influenced by the posture of the equipment, but friction is formed due to relative rotation of the equipment, so that the abrasion of the sealing ring is faster under the scene of frequent rotation or high rotation speed; although the abrasion life of the sealing ring is greatly prolonged along with the application of new materials, the fundamental problem can not be solved, and most sealing materials can be corroded under the marine environment with high humidity and high salt, so that the service life is influenced. Therefore, both sealing modes of the servo rotating mechanism used in the marine environment currently have certain defects.
Disclosure of Invention
In order to solve the problems of water sealing and water vapor sealing during relative rotation of a servo mechanism in a marine environment with high humidity and high salt, the utility model aims to provide a combined sealing device of a servo rotating mechanism, which is suitable for the marine environment, and can better protect the internal components of equipment and ensure the reliability and the service life of a sealing element.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a servo rotary mechanism combination sealing device suitable for marine environment, includes azimuth shafting and azimuth base, azimuth base provides mechanical support for azimuth shafting, azimuth base upper portion is provided with sealed lid, the border department of sealed lid bottom is provided with moves the maze oil groove, the border department at azimuth base top is provided with the maze oil groove, install self compensating sealing device in the mounting groove of the inside of maze oil groove, the oil drain port has been seted up to the outer wall of azimuth base, the oil drain port communicates with each other with the oil groove in the maze oil groove outside, install the hydraulic fluid port end cap on the oil drain port.
Further, the dynamic labyrinth oil groove and the static labyrinth oil groove are of oil groove structures with alternately arranged convex and concave, and the dynamic labyrinth oil groove and the static labyrinth oil groove are in butt joint through the oil grooves with alternately arranged convex and concave to form an oil seal.
Further, the self-compensating sealing device comprises a rubber sealing ring, an adjusting elastic sheet and a sealing installation seat, wherein the rubber sealing ring is installed in the middle of the sealing installation seat, the top of the rubber sealing ring protrudes out of the sealing installation seat, and the rubber sealing ring and the sealing installation seat form sliding connection; an adjusting spring piece is clamped between the bottom of the rubber sealing ring and the bottom of the sealing installation seat.
Further, the azimuth shaft system is a main body of an azimuth component and comprises an azimuth shaft, a deep groove ball bearing is arranged at the upper end of the azimuth shaft, a pair of angle contact bearings is arranged in the middle of the azimuth shaft, and a double-channel rotary transformer and an azimuth brushless torque motor are further arranged on the azimuth shaft.
Further, an azimuth lock navigation device is installed on the azimuth base.
Compared with the prior art, the utility model has the beneficial effects that:
1. the dynamic labyrinth oil groove and the static labyrinth oil groove are combined to serve as an external isolation functional unit, the sealing device serves as an internal sealing functional unit, the two sealing functional units are combined to make up for the shortages, the optimal design is achieved, and the optimal sealing effect of the relative rotation of the servo mechanism in the marine environment is achieved.
2. The external isolation functional unit adopts a supplementary long-stroke labyrinth seal design, namely an oil seal is formed by utilizing an oil groove structure with alternate convex and concave, and bright water and partial water vapor in the marine environment are isolated.
3. The internal sealing functional unit adopts a self-compensating sealing device, and the external isolation functional unit can not isolate complete water vapor and salt mist for secondary filtration, so that the final sealing effect is ensured.
Drawings
FIG. 1 is a schematic structural view of a self-compensating seal device;
FIG. 2 is a schematic view of the installation of the combination seal of the present utility model in a servo rotation mechanism;
fig. 3 is a schematic diagram of a position structure of the oil port plug.
In the figure: 1. rubber seal ring, 2, adjustment shell fragment, 3, sealing mount pad, 4, quiet maze oil groove, 5, move maze oil groove, 6, oil transfer mouth, 7, self-compensating sealing device, 8, deep groove ball bearing, 9, binary channels resolver, 10, the brushless moment motor in position, 11, angular contact bearing, 12, azimuth axis, 13, sealed lid, 14, azimuth base, 15, azimuth lock navigation device, 16, the hydraulic fluid end cap.
Detailed Description
The technical scheme of the embodiment of the utility model is described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the servo rotating mechanism in this embodiment is mainly used for azimuth rotation of a servo rotating platform in a marine environment, and comprises an azimuth shaft system and an azimuth base 14, wherein the azimuth shaft system is a main body of an azimuth component and comprises an azimuth shaft 12, and a deep groove ball bearing 8 is mounted at the upper end of the azimuth shaft 12, so that the servo rotating mechanism has a guiding and straightening effect and prevents rotation clamping stagnation caused by deformation of the azimuth shaft system due to inclination; a pair of angle contact bearings 11 are arranged in the middle of the azimuth shaft 12 and are used for bearing the gravity and rotation of the pitching structure; the double-channel rotary transformer 9 and the azimuth brushless torque motor 10 are directly arranged on the azimuth shaft 12 to realize rigid connection; the azimuth base 14 provides mechanical support for an azimuth shaft system, and an azimuth navigation locking device 15 is mounted on the azimuth base 14 and is used for automatic navigation locking of the azimuth shaft and driving of a platform.
The deep groove ball bearing 8, the double-channel rotary transformer 9, the azimuth brushless torque motor 10, the angular contact bearing 11 and the azimuth lock navigation device 15 are all installed inside the azimuth base 14, and the installation position, connection relation and related functions of other electronic and electromechanical products and precision devices installed inside the azimuth base 14 are not the scope of protection of the utility model, and are not described in detail herein, but the electronic and electromechanical products and the precision devices are susceptible to seawater corrosion, so that they need to be sealed and protected.
The embodiment relates to a combined sealing device of a servo rotating mechanism suitable for marine environment, which comprises an external isolation functional unit and an internal sealing functional unit, wherein the external isolation functional unit adopts a complementable long-stroke labyrinth sealing design, the upper part of a specific azimuth base 14 is provided with a sealing cover body 13, the edge of the bottom of the sealing cover body 13 is provided with a movable labyrinth oil groove 5, the edge of the top of the azimuth base 14 is provided with a static labyrinth oil groove 4, the movable labyrinth oil groove 5 and the static labyrinth oil groove 4 are of an oil groove structure with convex-concave phases, low-temperature lubricating grease is injected into the oil groove outside the static labyrinth oil groove 4 through an oil exchanging port 6, and the movable labyrinth oil groove 5 and the static labyrinth oil groove 4 are installed and butted according to assembly requirements to form an oil seal.
The outer wall of the azimuth base 14 in the embodiment is provided with an oil exchanging port 6, the oil exchanging port 6 is communicated with an oil groove outside the static maze oil groove 4, and an oil port plug 16 is arranged on the oil exchanging port 6; the diluted deteriorated grease can be replaced periodically or irregularly through the design, and the sealing reliability is ensured.
The inner sealing function unit in the embodiment is a self-compensating sealing device 7 arranged in an inner side installation groove of the static labyrinth oil groove 4, the self-compensating sealing device 7 comprises a rubber sealing ring 1, an adjusting elastic sheet 2 and a sealing installation seat 3, the middle part of the sealing installation seat 3 is provided with the rubber sealing ring 1, the top of the rubber sealing ring 1 protrudes out of the sealing installation seat 3, and the rubber sealing ring 1 and the sealing installation seat 3 form sliding connection; an adjusting spring piece 2 is clamped between the bottom of the rubber sealing ring 1 and the bottom of the sealing installation seat 3; when the self-compensating sealing device is used, the adjusting elastic piece 2 is appropriately deformed to have pretightening force by adjusting the assembling relationship, and is clamped between the bottom of the rubber sealing ring 1 and the bottom of the sealing installation seat 3, when the rubber sealing ring 1 in the self-compensating sealing device 7 rotates and wears, the continuous contact between the rubber sealing ring 1 and the rotating part can be kept under the elastic force of the lower adjusting elastic piece 2, and the internal sealing effect is ensured.
The foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a servo rotary mechanism combination sealing device suitable for marine environment, includes azimuth shafting and azimuth base (14), azimuth base (14) provide mechanical support for azimuth shafting, azimuth base (14) upper portion is provided with sealed lid (13), its characterized in that, the border department of sealed lid (13) bottom is provided with moves maze oil groove (5), the border department at azimuth base (14) top is provided with quiet maze oil groove (4), install self compensating sealing device (7) in the inboard mounting groove of quiet maze oil groove (4), oil port (6) have been seted up to the outer wall of azimuth base (14), oil port (6) communicate with each other with the oil groove in quiet maze oil groove (4) outside, install hydraulic fluid port (16) on oil port (6).
2. The combined sealing device for the servo rotating mechanism suitable for the marine environment according to claim 1, wherein the dynamic labyrinth oil groove (5) and the static labyrinth oil groove (4) are of oil groove structures with convex-concave interphase, and the dynamic labyrinth oil groove (5) and the static labyrinth oil groove (4) are in butt joint through the oil grooves with the convex-concave interphase to form an oil seal.
3. The combined sealing device of the servo rotating mechanism suitable for the marine environment according to claim 1 or 2, wherein the self-compensating sealing device (7) comprises a rubber sealing ring (1), an adjusting elastic sheet (2) and a sealing installation seat (3), the rubber sealing ring (1) is installed in the middle of the sealing installation seat (3), the top of the rubber sealing ring (1) protrudes out of the sealing installation seat (3), and the rubber sealing ring (1) and the sealing installation seat (3) form sliding connection; an adjusting spring piece (2) is clamped between the bottom of the rubber sealing ring (1) and the bottom of the sealing installation seat (3).
4. The combined sealing device for the servo rotating mechanism suitable for the marine environment according to claim 1, wherein the azimuth shaft system is a main body of an azimuth component and comprises an azimuth shaft (12), a deep groove ball bearing (8) is arranged at the upper end of the azimuth shaft (12), a pair of angle contact bearings (11) are arranged in the middle of the azimuth shaft (12), and a double-channel rotary transformer (9) and an azimuth brushless torque motor (10) are further arranged on the azimuth shaft (12).
5. A combined sealing device for a servorotary mechanism suitable for marine environments, according to claim 1, characterized in that said azimuth base (14) is fitted with azimuth lock means (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725897.5U CN220060527U (en) | 2023-07-04 | 2023-07-04 | Servo rotating mechanism combined sealing device suitable for marine environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321725897.5U CN220060527U (en) | 2023-07-04 | 2023-07-04 | Servo rotating mechanism combined sealing device suitable for marine environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060527U true CN220060527U (en) | 2023-11-21 |
Family
ID=88751572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321725897.5U Active CN220060527U (en) | 2023-07-04 | 2023-07-04 | Servo rotating mechanism combined sealing device suitable for marine environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060527U (en) |
-
2023
- 2023-07-04 CN CN202321725897.5U patent/CN220060527U/en active Active
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