CN213808848U - Combined sealing device for tidal current energy power generation device - Google Patents
Combined sealing device for tidal current energy power generation device Download PDFInfo
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- CN213808848U CN213808848U CN202021872844.2U CN202021872844U CN213808848U CN 213808848 U CN213808848 U CN 213808848U CN 202021872844 U CN202021872844 U CN 202021872844U CN 213808848 U CN213808848 U CN 213808848U
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- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Abstract
The utility model belongs to the technical field of trend can power generation facility, concretely relates to trend can power generation facility uses composite seal device, including the outer bush, the outer bush cover is established epaxial, just outer bush and axle fixed connection, the cover is equipped with a plurality of wear ring, a plurality of on the outer bush the cover is equipped with the neck bush on the wear ring, one side of neck bush is provided with the casing, casing and trend can power generation facility body fixed connection, a neck bush terminal surface with be provided with end face seal between the outer bush terminal surface, another terminal surface of neck bush with fixedly connected with spring between the casing, the casing with it is sealed to be provided with lip skeleton between the outer bush. The utility model provides the high requirement of the big draft of sealed adaptation, especially the deeper requirement of tidal current energy power generation facility draft improves tidal current energy power generation facility sealing device's for life by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of trend can power generation facility, concretely relates to trend can power generation facility uses composite seal device.
Background
Tidal current energy the kinetic energy (velocity head) contained in tidal water during horizontal motion is also known as ocean current energy. Tidal current energy can be used for power generation, which is different from tidal power stations, dam construction is not needed generally, meanwhile, power generation is not influenced by hydrological factors such as flood, dry water and the like, dam construction is not needed, maneuverability is strong, attention is paid to all countries, and various tidal current energy power generation device schemes are provided.
The traditional shafting sealing device is formed by sealing 3-4 lip-shaped frameworks, the allowable eccentricity of the framework oil seal is small, the wear resistance of materials is poor, and the sealing service life is short; the tidal current energy power generation device generally has deeper draft, the framework sealing at the deep water is easy to deform, the sealing performance is obviously reduced, and the tidal current energy power generation device cannot be used in the tidal current energy power generation device; the traditional shafting sealing device has no leakage monitoring and water discharging functions, once the lip-shaped framework sealing is slightly leaked, a large amount of water is collected in the tidal current energy power generation device along with the accumulation of time, and the tidal current energy power generation device cannot work directly due to the fact that a large amount of water enters the tidal current energy power generation device.
SUMMERY OF THE UTILITY MODEL
The utility model provides a trend can power generation facility with combination sealing device aims at solving the problem of mentioning in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a combined sealing device for a tidal current energy power generation device comprises an outer bushing, an inner bushing and a shell, wherein the outer bushing is sleeved on a shaft and is fixedly connected with the shaft; the outer side of the shell is fixedly connected with the tidal current energy power generation device body, the inner side of the shell is connected with the inner lining, an end face sealing structure is arranged among the shell, the inner lining and the outer lining, and a framework sealing structure is arranged between the front end of the shell and the inner lining;
the end face sealing structure comprises: the end face sealing element is arranged between one side of the end face of the inner bushing and the corresponding end face of the outer bushing, and the spring is arranged between the other side of the end face of the inner bushing and the shell;
the framework sealing structure adopts a first lip-shaped framework sealing element.
Preferably, the first lip-shaped framework sealing element adopts three lip-shaped framework sealing rings.
Preferably, the framework sealing structure further comprises a second lip-shaped framework sealing element, the second lip-shaped framework sealing element is arranged at the rear end of the shell and between the outer bushings, and the second lip-shaped framework sealing element adopts four lip-shaped framework sealing rings.
Preferably, the face seal is made of a wear resistant material.
Preferably, the outer bushing and the inner bushing are both made of high-strength chrome steel.
Preferably, the device further comprises a detection control box, a first pipeline and a first water storage box, wherein the first water storage box is arranged in the detection control box, a water inlet of the first water storage box is fixedly communicated with one end of the first pipeline, the first pipeline penetrates through the shell, and the other end of the first pipeline is communicated with the inner bushing and the rear end of the first lip-shaped framework sealing element; a first liquid level sensor is arranged in the first water storage box, and the detection signal output end of the first liquid level sensor is connected with the corresponding detection signal input end of the detection control box.
Preferably, the device further comprises a second pipeline and a second water storage box, the second water storage box is arranged in the detection control box, a water inlet of the second water storage box is fixedly connected with one end of the second pipeline, the second pipeline penetrates through the shell, and the other end of the second pipeline is communicated with the middle part of the second lip-shaped framework sealing element; and a second liquid level sensor is arranged in the second water storage box, and the detection signal output end of the second liquid level sensor is connected with the corresponding detection signal input end of the detection control box.
Preferably, a protective cover is arranged on the end part of the outer bushing.
Preferably, the lip-shaped skeleton seal is a skeleton seal with a high pressure-resistant structure.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a high wear-resisting material end face seal and lip skeleton seal's combination form has improved the requirement of the big draft of sealed adaptation, especially the requirement that trend can power generation facility draft is darker, improves trend can power generation facility sealing device's for life by a wide margin.
The utility model discloses trend can power generation facility through set up first pipeline and second pipeline respectively at combination seal's front end and rear end, through detecting the control box real-time supervision sea water, realizes trend can power generation facility's life cycle management, improves trend can power generation facility's security performance by a wide margin.
Drawings
Fig. 1 is a front sectional view of the present invention;
in the figure: the device comprises an outer bushing 1, an end face seal 2, a wear-resistant ring 3, an inner bushing 4, a shell 5, a framework sealing structure 6, a spring 7, a protective cover 8, a detection control box 9, a shaft 10, a first pipeline 11, a second pipeline 12, a first lip-shaped framework sealing element 6-1 and a second lip-shaped framework sealing element 6-2.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a trend can power generation facility uses composite seal device, including outer liner 1, 1 cover of outer liner is established on axle 10, and outer liner 1 and axle 10 fixed connection, the cover is equipped with a plurality of wear ring 3 on the outer liner 1, the cover is equipped with interior bush 4 on a plurality of wear ring 3, one side of interior bush 4 is provided with casing 5, casing 5 and trend can power generation facility body fixed connection, be provided with end-face seal 2 between 4 terminal surfaces of interior bush and 1 terminal surface of outer liner, fixedly connected with spring 7 between 4 another terminal surfaces of interior bush and casing 5, be provided with lip skeleton sealing member 6 between casing 5 and the outer liner 1.
In the present embodiment, the outer bush 1 is fitted over the shaft 10, the left end surface of the outer bush 1 is axially fixed to the shaft 10 by a bolt and is operable with the shaft 10, the inner bush 4 and the housing 5 are positioned by a pin, and the housing 5 is fixed to the tidal current energy power generation apparatus body by a bolt. The seal between the stationary housing 5 and the rotating outer liner 1 is achieved by the face seal 2 and the lip skeleton seal 6. The inner bush 4 realizes floating structure through wear ring 3 and spring 7, effectively laminates end face seal 2 with inner bush 4 through spring 7, in the use, realizes that inner bush 4 and end face seal 2 rotate relatively under the effective effect of spring 7 elasticity, and the operation in-process forms the water film, reaches the end face seal effect, realizes effectual end face seal.
Further, the lip-shaped framework sealing element 6 comprises seven lip-shaped framework sealing rings, three of the lip-shaped framework sealing rings are arranged between one side of the shell 5 and the inner bushing 4, and the other four of the lip-shaped framework sealing rings are arranged between the other side of the shell 5 and the outer bushing 1.
In the embodiment, the housing 5 is provided with seven lip-shaped skeleton seals, wherein three lip-shaped skeleton seal rings are provided with the lip-shaped skeleton seal ring (marked in the figure), the lip-shaped skeleton seal ring and the end face seal 2 form a first protection system, the other four lip-shaped skeleton seal rings are provided with the lip-shaped skeleton seal ring (marked in the figure), and the lip-shaped skeleton seal ring forms a second protection system, so that the safety and reliability of the combined seal for the tidal current energy power generation device are ensured. The lip-shaped framework sealing ring is a first protection system, the lip-shaped framework sealing ring can be started immediately when the lip-shaped framework sealing ring is damaged, the lip-shaped framework sealing ring is used when the detection control box 9 starts an air system, the four sealing rings are started sequentially from left to right, and the right lip-shaped framework sealing ring can be started immediately when the left side is damaged.
Further, the end face seal 2 is made of wear-resistant materials.
In this embodiment, end face seal 2 realizes end face seal through high wear-resistant material, and high wear-resistant material can choose for use graphite to carborundum, graphite to graphite, carborundum to carborundum, and end face seal 2 through high wear-resistant material chooses for use can improve greatly sealed life-span.
Further, the outer liner 1 and the inner liner 4 are both made of high-strength chrome steel.
In the present embodiment, the seal inner bushing 4 and the seal outer bushing 1 are made of special high-strength chrome steel, which has characteristics of high hardness and high seawater corrosion resistance.
Further, the device also comprises a detection control box 9, a first pipeline 11 and a first water storage box, wherein the first water storage box is arranged in the detection control box 9, a water inlet of the first water storage box is fixedly communicated with one end of the first pipeline 11, the first pipeline 11 penetrates through the shell 5, and the other end of the first pipeline 11 is communicated with the inner bushing 4 and the rear end of the first lip-shaped framework sealing element 6-1; a first liquid level sensor is arranged in the first water storage box, and the detection signal output end of the first liquid level sensor is connected with the corresponding detection signal input end of the detection control box 9.
In the embodiment, the detection control box 9 works in such a way that the detection control box 9 cannot detect seawater when the first protection system consisting of the lip-shaped framework sealing ring and the end face seal 2 is normally used. When the first protection system fails, the detection control box 9 detects seawater and immediately starts an air system, air with certain pressure enters a sealed space again along the first pipeline 11, the inner liner 4 is pushed to continuously cling to the end face seal 2 under the action of the lip-shaped framework seal ring to form a new seal system, after the lip-shaped framework seal ring fails, the air enters seawater, the second protection system formed by the fifth protection system and the sixth protection system continues to start to work, and the detection control box 9 needs to immediately start an alarm system until the second pipeline 12 monitors that seawater enters.
Further, a protective cover 8 is provided on an end of the outer liner 1.
In this embodiment, the protection cover 8 may adopt a labyrinth structure, which effectively prevents the rope in the sea from being wound around the tidal current energy power generation device.
Further, the lip-shaped skeleton sealing member 6 is a skeleton seal of a high pressure-resistant structure.
In the present embodiment, the lip-shaped skeleton sealing element 6 adopts a skeleton seal with a novel special structure, that is, a skeleton seal with a high pressure-resistant structure, and can bear seawater pressure of 4bar, that is, a water depth of about 40 m.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, realize sealed between fixed casing 5 and the rotatory outer bush 1 through end face seal 2 and lip skeleton sealing member 6, interior bush 4 realizes the floating structure through wear ring 3 and spring 7, effectively laminate end face seal 2 and interior bush 4 through spring 7, in the use, realize interior bush 4 and end face seal 2 relative rotation under the effective effect of spring 7 elasticity, the operation in-process forms the water film, reach the end face seal effect, realize effectual end face seal.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a trend can power generation facility with combination sealing device which characterized in that: the shaft sleeve comprises an outer bushing (1), an inner bushing (4) and a shell (5), wherein the outer bushing (1) is sleeved on a shaft (10), and the outer bushing (1) is fixedly connected with the shaft (10); the outer side of the shell (5) is fixedly connected with the tidal current energy power generation device body, the inner side of the shell (5) is connected with the inner lining (4), an end face sealing structure is arranged among the shell (5), the inner lining (4) and the outer lining (1), and a framework sealing structure (6) is arranged between the front end of the shell (5) and the inner lining (4);
the end face sealing structure comprises: the wear-resistant bushing is characterized by comprising an end face sealing element (2), a spring (7) and a plurality of wear-resistant rings (3), wherein the plurality of wear-resistant rings (3) are sleeved on the outer side of the outer bushing (1), a plurality of grooves matched with the wear-resistant rings (3) are formed in the inner wall of the inner bushing (4), the end face sealing element (2) is arranged between one side of the end face of the inner bushing (4) and the corresponding end face of the outer bushing (1), and the spring (7) is arranged between the other side of the end face of the inner bushing (4) and the shell (5);
the framework sealing structure (6) adopts a first lip-shaped framework sealing element (6-1).
2. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the first lip-shaped framework sealing element (6-1) adopts three lip-shaped framework sealing rings.
3. The combined sealing device for the tidal current energy power generation device according to claim 2, wherein: the framework sealing structure (6) further comprises a second lip-shaped framework sealing element (6-2), the second lip-shaped framework sealing element (6-2) is arranged at the rear end of the shell (5) and between the outer bushings (1), and the second lip-shaped framework sealing element (6-2) adopts four lip-shaped framework sealing rings.
4. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the end face sealing element (2) is made of wear-resistant materials.
5. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the outer bushing (1) and the inner bushing (4) are both made of high-strength chromium steel.
6. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the device also comprises a detection control box (9), a first pipeline (11) and a first water storage box, wherein the first water storage box is arranged in the detection control box (9), a water inlet of the first water storage box is fixedly communicated with one end of the first pipeline (11), the first pipeline (11) penetrates through the shell (5), and the other end of the first pipeline (11) is communicated with the inner bushing (4) and the rear end of the first lip-shaped framework sealing element (6-1); a first liquid level sensor is arranged in the first water storage box, and the detection signal output end of the first liquid level sensor is connected with the corresponding detection signal input end of the detection control box (9).
7. The combined sealing device for the tidal current energy power generation device according to claim 6, wherein: the device also comprises a second pipeline (12) and a second water storage box, wherein the second water storage box is arranged in the detection control box (9), a water inlet of the second water storage box is fixedly connected with one end of the second pipeline (12), the second pipeline (12) penetrates through the shell (5), and the other end of the second pipeline (12) is communicated with the middle part of the second lip-shaped framework sealing element (6-2); and a second liquid level sensor is arranged in the second water storage box, and the detection signal output end of the second liquid level sensor is connected with the corresponding detection signal input end of the detection control box (9).
8. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the end part of the outer bushing (1) is provided with a protective cover (8).
9. The combined sealing device for the tidal current energy power generation device according to claim 1, wherein: the framework sealing structure (6) is a framework seal of a high pressure-resistant structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872844.2U CN213808848U (en) | 2020-09-01 | 2020-09-01 | Combined sealing device for tidal current energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021872844.2U CN213808848U (en) | 2020-09-01 | 2020-09-01 | Combined sealing device for tidal current energy power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808848U true CN213808848U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021872844.2U Active CN213808848U (en) | 2020-09-01 | 2020-09-01 | Combined sealing device for tidal current energy power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808848U (en) |
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- 2020-09-01 CN CN202021872844.2U patent/CN213808848U/en active Active
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