CN220230860U - Fin shaft sealing pressure test device for stabilizer - Google Patents
Fin shaft sealing pressure test device for stabilizer Download PDFInfo
- Publication number
- CN220230860U CN220230860U CN202321975737.6U CN202321975737U CN220230860U CN 220230860 U CN220230860 U CN 220230860U CN 202321975737 U CN202321975737 U CN 202321975737U CN 220230860 U CN220230860 U CN 220230860U
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- fin
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 92
- 239000003381 stabilizer Substances 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of ship building tools, and discloses a stabilizer fin shaft sealing pressure test device. The fin shaft sealing device is simple in structure, convenient to operate and capable of detecting the sealing performance of the fin shaft of the stabilizer in the installation process.
Description
Technical Field
The utility model relates to the technical field of ship building tools, in particular to a fin shaft sealing pressure testing device for a stabilizer fin.
Background
When the ship encounters stormy waves in the sailing process, the phenomenon of swaying can be generated, the swaying of the ship can reduce the navigability of the ship, the ship body structure is damaged, the normal work of equipment and instruments is affected, the cargo is shifted or impacted and damaged, passengers and crews are faint, the fight ship can possibly influence the fight force of the fight ship, in order to reduce the swaying of the ship, the research is conducted by different lines, and the current better-effect solution is to install the stabilizer fin at the bilge of the ship. The stabilizer is mainly rotated through the stabilizer fin shaft to drive the stabilizer fin shaft to rotate, and in order to ensure the tightness between the stabilizer fin shaft and the fin shaft mounting hole of the ship body, a sealing component is arranged on the stabilizer fin shaft, however, in the mounting process of the stabilizer fin shaft, whether the sealing component has good sealing performance after being mounted or not can not be generally known, and once the sealing performance is insufficient, the follow-up maintenance treatment is very difficult.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the fin shaft sealing pressure test device for the fin shaft of the stabilizer, which has the advantages of simple structure, simplicity and convenience in operation and capability of detecting the sealing performance of the fin shaft of the stabilizer in the installation process.
In order to achieve the above object, the utility model provides a fin shaft sealing pressure test device, a fin shaft penetrates through a fin shaft mounting hole of a ship body, a fixing seat is arranged at the front end of the fin shaft mounting hole, a shaft sleeve is arranged on the fin shaft, a sealing assembly is arranged between the shaft sleeve and the inner side of the fixing seat, the sealing pressure test device comprises a sealing sleeve, a connecting valve block and a pressure gauge, the inner hole of the sealing sleeve is larger than the diameter of the shaft sleeve, an assembling cylinder is arranged at the front end of the sealing sleeve, the inner hole of the assembling cylinder is communicated with the inner hole of the sealing sleeve, the inner hole of the assembling cylinder is matched with the fin shaft, a mounting flange is arranged at the rear end of the sealing sleeve, the mounting flange is connected with the fixing seat through a connecting piece, a connecting through hole communicated with the inner hole of the sealing sleeve is arranged at the side part of the sealing sleeve, the connecting valve block is provided with an air inlet and an air outlet, the air outlet is connected with the connecting through hole, the pressure gauge is arranged on the connecting valve block, and the pressure gauge is used for detecting the pressure in a connecting pipeline between the air inlet and the air outlet.
As a preferable scheme of the utility model, the fixing seat comprises a connecting cylinder inserted in the fin shaft mounting hole and a fixing flange positioned at the front end of the fin shaft mounting hole, the connecting cylinder is provided with a positioning convex ring protruding towards the inner side of the connecting cylinder, the sealing assembly comprises a U-shaped sealing ring, the rear end face of the U-shaped sealing ring is attached to the front end face of the positioning convex ring, and the mounting flange is connected with the fixing flange through a connecting piece.
As a preferable scheme of the utility model, the sealing assembly further comprises a shaft seal gland, wherein the front end of the shaft seal gland is provided with a positioning flange, the positioning flange is arranged between the mounting flange and the fixing flange, and the front end of the shaft seal gland is provided with a pressing ring which is propped against the U-shaped sealing ring.
As a preferable scheme of the utility model, a rubber sealing gasket is arranged between the fixing flange and the positioning flange.
As a preferable scheme of the utility model, the rear end of the positioning flange is provided with a first sealing groove, and a first rubber sealing ring is arranged in the first sealing groove.
As a preferable scheme of the utility model, a second sealing groove is formed in the inner side of the inner hole of the assembly barrel, and a second rubber sealing ring is arranged in the second sealing groove.
As a preferable mode of the utility model, the mounting flange is provided with a plurality of connecting holes distributed along the periphery of the mounting flange, the fixing flange is provided with a plurality of fixing holes corresponding to the connecting holes one by one, and the connecting piece passes through the connecting holes to be connected with the fixing holes in a threaded mode.
Compared with the prior art, the fin shaft sealing pressure test device for the stabilizer fins has the beneficial effects that: after the installation of the sealing assembly is completed, the fin shaft of the stabilizer is penetrated through the inner hole of the assembly barrel, then the installation flange is connected with the fixed seat by using the connecting piece, the fixed installation of the sealing sleeve is realized, then the air outlet of the connecting valve block is connected with the connecting through hole of the sealing sleeve by using the pipeline, the air inlet of the connecting valve block is connected with the air source, the air of the air source is controlled to be conveyed into the inner hole of the sealing sleeve, the pressure checked by the pressure gauge is the pressure of the inner hole of the sealing sleeve, after the air pressure reaches the set value, the air supply to the connecting through hole is stopped, the state is maintained for a period of time (such as 20 minutes), the tightness between the shaft sleeve and the fixed seat can be judged by observing whether the pressure of the pressure gauge is reduced, the operation is simple and convenient, the sealing test of the fin shaft of the stabilizer can be efficiently and conveniently completed, a guarantee is provided for the subsequent repair of the fin shaft, and the repair quality of ships is guaranteed.
Drawings
FIG. 1 is a schematic structural view of a seal cartridge and a mounting base of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of the connection structure of the connecting valve block and the pressure gauge of the present utility model;
in the figure, 1, fin axis of stabilizer; 11. a shaft sleeve; 2. a fin shaft mounting hole; 3. a fixing seat; 31. a connecting cylinder; 311. positioning the convex ring; 32. a fixing flange; 321. a first sealing groove; 322. a first rubber seal ring; 4. a seal assembly; 41. a U-shaped sealing ring; 42. a shaft seal gland; 421. positioning the flange; 422. a pressing ring; 5. sealing sleeve; 51. an assembly barrel; 511. a second sealing groove; 512. a second rubber seal ring; 52. a mounting flange; 521. a connecting piece; 522. a rubber sealing gasket; 53. a connecting through hole; 6. connecting a valve block; 61. an air inlet; 62. an air outlet; 7. a pressure gauge.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, in the sealing pressure test device for the fin shaft of the stabilizer fin according to the preferred embodiment of the present utility model, the fin shaft 1 passes through the fin shaft mounting hole 2 of the ship body, the front end of the fin shaft mounting hole 2 is provided with the fixing seat 3, the fin shaft 1 is provided with the shaft sleeve 11, the sealing assembly 4 is arranged between the shaft sleeve 11 and the inner side of the fixing seat 3, the sealing pressure test device comprises the sealing sleeve 5, the connecting valve block 6 and the pressure gauge 7, the inner hole of the sealing sleeve 5 is larger than the diameter of the shaft sleeve 11, the front end of the sealing sleeve 5 is provided with the assembling cylinder 51, the inner hole of the assembling cylinder 51 is communicated with the inner hole of the sealing sleeve 5, the inner hole of the assembling cylinder 51 is matched with the fin shaft 1, the rear end of the sealing sleeve 5 is provided with the mounting flange 52, the mounting flange 52 is connected with the fixing seat 3 through a connecting piece 521 (such as a bolt), the side portion of the sealing sleeve 5 is provided with the connecting through hole 53 communicated with the inner hole of the sealing sleeve 5, the connecting valve block 6 is provided with the air inlet 61 and the air outlet 62, the air outlet 62 is connected with the connecting through hole 53, the pressure gauge 7 is mounted on the connecting valve block 6, the pressure gauge 7 is used for detecting the pressure in the connecting pipeline between the air inlet 61 and the air outlet 62, namely the connecting valve block 62 is provided with the air outlet 7 is connected with the air outlet 7.
The working principle of the embodiment is as follows: after the installation of the sealing component 4 is completed, the sealing performance test can be performed by using the sealing pressure testing device, at the moment, the fin shaft 1 of the stabilizer fin penetrates through the fin shaft installation hole 2 of the ship body, the front end of the fin shaft installation hole 2 is provided with the fixed seat 3, the fin shaft 1 of the stabilizer fin is provided with the shaft sleeve 11, and the sealing component 4 is arranged between the shaft sleeve 11 and the fixed seat 3; when the tightness test is carried out, the fin stabilizer 1 passes through the inner hole of the assembly barrel 51, then the mounting flange 52 is connected with the fixed seat 3 by using the connecting piece 521, the fixed mounting of the sealing sleeve 5 is realized, then the air outlet 62 of the connecting valve block 6 is connected with the connecting through hole 53 of the sealing sleeve 5 by using the pipeline, the air inlet 61 of the connecting valve block 6 is connected with the air source, the air of the air source is controlled to be conveyed into the inner hole of the sealing sleeve 5, the pressure detected by the pressure gauge 7 is the pressure of the inner hole of the sealing sleeve 5 at the moment, after the air pressure reaches a set value, the air supply to the connecting through hole 53 is stopped, the state is kept for a period of time (for example, 20 minutes), the tightness between the shaft sleeve 11 and the fixed seat 3 can be judged by observing whether the pressure of the pressure gauge 7 is reduced, namely, the tightness of the sealing assembly 4 is detected, the operation is simple and convenient, the sealing test of the fin stabilizer 1 can be efficiently and conveniently completed, and the quality of ships is guaranteed.
The fixing base 3 includes a connecting cylinder 31 inserted in the fin shaft mounting hole 2 and a fixing flange 32 located at the front end of the fin shaft mounting hole 2, the connecting cylinder 31 is provided with a positioning convex ring 311 protruding towards the inner side of the connecting cylinder, it is understood that a space exists between the positioning convex ring 311 and the shaft sleeve 11, the sealing component 4 includes a U-shaped sealing ring 41, the rear end face of the U-shaped sealing ring 41 is attached to the front end face of the positioning convex ring 311, positioning and mounting of the U-shaped sealing ring 41 are facilitated, in this embodiment, the U-shaped sealing ring 41 is provided with two, a separation ring is arranged between the two U-shaped sealing rings, and the mounting flange 52 is connected with the fixing flange 32 through a connecting piece 521.
Illustratively, the seal assembly 4 further includes a shaft seal gland 42, a positioning flange 421 is disposed at a front end of the shaft seal gland 42, the positioning flange 421 is disposed between the mounting flange 52 and the fixing flange 32, a pressing ring 422 that abuts against the U-shaped sealing ring 41 is disposed at a front end of the shaft seal gland 42, and when the mounting flange 52 is connected with the fixing flange 32, the mounting flange 52 and the fixing flange 32 press the positioning flange 421, so that the shaft seal gland 42 is fixed, and the pressing ring 422 abuts against the U-shaped sealing ring 41 to prevent the position of the U-shaped sealing ring 41 from shifting.
Illustratively, a rubber gasket 522 is provided between the fixing flange 32 and the positioning flange 421 to ensure tightness between the rear end of the mounting flange 52 and the front end of the positioning flange 421.
Illustratively, the rear end of the positioning flange 421 is provided with a first sealing groove 321, and a first rubber seal 322 is provided in the first sealing groove 321 to ensure tightness between the rear end of the positioning flange 421 and the front end of the fixing flange 32.
Illustratively, a second sealing groove 511 is formed on the inner side of the inner hole of the assembly barrel 51, and a second rubber sealing ring 512 is arranged in the second sealing groove 511, so that tightness between the assembly barrel 51 and the anti-rolling fin shaft is ensured.
Illustratively, the mounting flange 52 is provided with a plurality of connection holes distributed along the outer circumference of the mounting flange 52, the fixing flange 32 is provided with a plurality of fixing holes corresponding to the connection holes one by one, and the connecting member 521 is screwed with the fixing holes through the connection holes, so as to ensure that the mounting flange 52 is tightly connected with the fixing flange 32.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (7)
1. The utility model provides a fin axle seals pressure testing device, its characterized in that: the fin shaft of stabilizer passes the fin shaft mounting hole of hull, the front end of fin shaft mounting hole is equipped with the fixing base, be equipped with the axle sleeve on the fin shaft of stabilizer, the axle sleeve with be equipped with seal assembly between the inboard of fixing base, seal pressure testing device includes seal cover, connecting valve piece and manometer, the hole of seal cover is greater than the diameter of axle sleeve, the front end of seal cover is equipped with the assembly section of thick bamboo, the hole of assembly section of thick bamboo with the hole intercommunication of seal cover, just the hole of assembly section of thick bamboo with stabilizer fin shaft cooperation, the rear end of seal cover is equipped with the mounting flange, the mounting flange pass through the connecting piece with the fixing base is connected, the lateral part of seal cover be equipped with the connecting hole of the hole intercommunication of seal cover, the connecting valve piece is equipped with air inlet and gas outlet, the gas outlet with the connecting hole is connected, the manometer is installed on the connecting valve piece, the manometer is used for detecting the air inlet with the pressure in the connecting tube between the gas outlet.
2. The fin shaft seal pressure test device of claim 1, wherein: the fixing seat comprises a connecting cylinder inserted in the fin shaft mounting hole and a fixing flange arranged at the front end of the fin shaft mounting hole, the connecting cylinder is provided with a positioning convex ring protruding towards the inner side of the connecting cylinder, the sealing assembly comprises a U-shaped sealing ring, the rear end face of the U-shaped sealing ring is attached to the front end face of the positioning convex ring, and the fixing flange is connected with the fixing flange through a connecting piece.
3. The fin shaft seal pressure test device of claim 2, wherein: the sealing assembly further comprises a shaft seal gland, a positioning flange is arranged at the front end of the shaft seal gland, the positioning flange is arranged between the mounting flange and the fixing flange, and a pressing ring propped against the U-shaped sealing ring is arranged at the front end of the shaft seal gland.
4. The fin shaft seal pressure test device of claim 3, wherein: and a rubber sealing gasket is arranged between the fixing flange and the positioning flange.
5. The fin shaft seal pressure test device of claim 3, wherein: the rear end of the positioning flange is provided with a first sealing groove, and a first rubber sealing ring is arranged in the first sealing groove.
6. The fin shaft seal pressure test device of claim 1, wherein: the inner side of the inner hole of the assembly barrel is provided with a second sealing groove, and a second rubber sealing ring is arranged in the second sealing groove.
7. The fin shaft seal pressure test device of claim 2, wherein: the mounting flange is provided with a plurality of connecting holes distributed along the periphery of the mounting flange, the fixing flange is provided with a plurality of fixing holes corresponding to the connecting holes one by one, and the connecting piece penetrates through the connecting holes to be in threaded connection with the fixing holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321975737.6U CN220230860U (en) | 2023-07-25 | 2023-07-25 | Fin shaft sealing pressure test device for stabilizer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321975737.6U CN220230860U (en) | 2023-07-25 | 2023-07-25 | Fin shaft sealing pressure test device for stabilizer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220230860U true CN220230860U (en) | 2023-12-22 |
Family
ID=89182442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321975737.6U Active CN220230860U (en) | 2023-07-25 | 2023-07-25 | Fin shaft sealing pressure test device for stabilizer |
Country Status (1)
Country | Link |
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CN (1) | CN220230860U (en) |
-
2023
- 2023-07-25 CN CN202321975737.6U patent/CN220230860U/en active Active
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