CN112249860A - Elastic hoisting device for ship speed reducer - Google Patents
Elastic hoisting device for ship speed reducer Download PDFInfo
- Publication number
- CN112249860A CN112249860A CN202011205694.4A CN202011205694A CN112249860A CN 112249860 A CN112249860 A CN 112249860A CN 202011205694 A CN202011205694 A CN 202011205694A CN 112249860 A CN112249860 A CN 112249860A
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- China
- Prior art keywords
- sleeve
- ship
- hoisting device
- speed reducer
- connecting rod
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- 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.)
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 40
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
An elastic hoisting device for a ship speed reducer relates to the technical field of ship speed reducer shock absorption. The ship speed reducer hoisting device aims at solving the problems that the existing ship speed reducer hoisting device is high in rigidity and large in vibration during use, so that the speed reducer is high in vibration noise, and the ship stealth performance is poor. The one end of naval vessel reduction gear upper surface is equipped with square blind hole, and the blind hole is inside to be inlayed and to have connecting sleeve, and connecting sleeve's top middle part is equipped with the through-hole, and the through-hole and the cover pad on connecting sleeve top are passed in proper order to the bottom of connecting rod, with lower lock nut threaded connection, the top of connecting rod passes through-hole on the hull frame in proper order, fixed cover, dish spring subassembly, go up fixed cover, vibration isolation cover and adjustment pad, with last lock nut threaded connection. The invention is suitable for the technical field of shock absorption of ship reducers.
Description
Technical Field
The invention relates to the technical field of ship reducer shock absorption, in particular to an elastic hoisting device for a ship reducer.
Background
The concealment of the submarine is one of the key performance indexes, the stealth performance of the submarine is good and bad, and the submarine tactical assault and the success or failure of an attack task are related. Therefore, various measures are taken for vibration reduction and noise elimination of the submarine by naval in various countries for a long time so as to improve the stealth performance of the submarine.
The great reduction of the radiation noise of the nuclear submarine in China is an important problem to be solved urgently by the navy in China, and the life and the fighting power of the nuclear submarine are concerned. The main speed reducer is one of main power equipment of the nuclear submarine, the working state of the main speed reducer is extremely complex, the load working conditions are variable, external excitation introduced from the aspects of a prime motor and a load can occur, and internal excitation caused by meshing rigidity and gear transmission errors can also occur. In the course of navigation of submarine, the strong characteristic frequency emitted by mechanical equipment of main speed reducer is an indication mark for detecting ship by enemy sonar equipment. With the increasing requirements on the aspects of high speed, high power, high reliability and the like of the main reducer, the problem of vibration noise of the main reducer is increasingly prominent, and the problem of solving the problem is urgent.
In conclusion, the conventional ship reducer hoisting device has high rigidity and large vibration in use, so that the problem that the ship stealth performance is poor due to large vibration noise of the reducer is caused.
Disclosure of Invention
The invention provides an elastic hoisting device for a ship speed reducer, which aims to solve the problems that the traditional hoisting device for the ship speed reducer has stronger rigidity and larger vibration in use, so that the vibration noise of the speed reducer is larger, and the stealth performance of a ship is poorer.
According to the elastic hoisting device for the ship speed reducer, two ends of the upper surface of the ship speed reducer are respectively provided with the elastic hoisting device;
the elastic hoisting device comprises a connecting rod, an upper locking nut, an adjusting pad, a vibration isolating sleeve, an upper fixing sleeve, a disc spring assembly, a lower fixing sleeve, a connecting sleeve, a sleeve pad and a lower locking nut;
a square blind hole is formed in one end of the upper surface of the ship speed reducer, a connecting sleeve is embedded in the blind hole, a through hole is formed in the middle of the top end of the connecting sleeve, the bottom end of the connecting rod sequentially penetrates through the through hole and the sleeve gasket at the top end of the connecting sleeve and is in threaded connection with a lower locking nut, and the top end of the connecting rod sequentially penetrates through the through hole, the lower fixing sleeve, the disc spring assembly, the upper fixing sleeve, the vibration isolating sleeve and the adjusting gasket on the ship body base and is in threaded connection with the;
further, the sleeve gasket and the lower locking nut are arranged inside the connecting sleeve;
furthermore, a circular boss is arranged on the lower surface of the upper fixing sleeve, and a groove is arranged in the middle of the upper surface of the upper fixing sleeve;
furthermore, the lower part of the vibration isolation sleeve is arranged in a groove on the upper surface of the upper fixing sleeve;
furthermore, the diameter of the connecting rod is 50 mm-100 mm;
further, the diameter of the connecting rod is 80 mm;
further, the vibration that naval vessel reduction gear produced at operating condition is at first through connecting sleeve, cover pad, lock nut down, transmit the connecting rod on, then through last lock nut, the adjustment is filled up the back and is transmitted the vibration isolation and sheathe in, carry out primary vibration isolation, transmit the vibration isolation of carrying on the dish spring subassembly through last fixed cover again, transmit on hull frame through fixed cover down at last, can reduce the radiation noise that the reduction gear arouses by a wide margin through the twice vibration isolation of this kind of mounting structure.
Compared with the prior art, the invention has the following beneficial effects:
the ship speed reducer overcomes the defects of the prior art, the top end of the connecting rod sequentially penetrates through the through hole, the lower fixing sleeve, the disc spring assembly, the upper fixing sleeve, the vibration isolation sleeve and the adjusting pad on the ship body base and is in threaded connection with the upper locking nut, vibration generated by the ship speed reducer in a working state is transmitted to the connecting rod through the connecting sleeve, the sleeve pad and the lower locking nut, then is transmitted to the vibration isolation sleeve through the upper locking nut and the adjusting pad to perform primary vibration isolation, and then is transmitted to the disc spring assembly through the upper fixing sleeve to perform secondary vibration isolation.
Drawings
Fig. 1 is a sectional view of an elastic hoisting device for a ship reducer according to the present invention.
Detailed Description
The first embodiment is as follows: referring to fig. 1, the embodiment is described, and in the embodiment, two elastic hoisting devices are respectively arranged at two ends of the upper surface of a ship reducer 12;
the elastic hoisting device comprises a connecting rod 1, an upper locking nut 2, an adjusting pad 3, a vibration isolation sleeve 4, an upper fixing sleeve 5, a disc spring assembly 6, a lower fixing sleeve 7, a connecting sleeve 9, a sleeve pad 10 and a lower locking nut 11;
a square blind hole is formed in one end of the upper surface of the ship speed reducer 12, a connecting sleeve 9 is embedded in the blind hole, a through hole is formed in the middle of the top end of the connecting sleeve 9, the bottom end of the connecting rod 1 sequentially penetrates through the through hole and a sleeve gasket 10 in the top end of the connecting sleeve 9 and is in threaded connection with a lower locking nut 11, and the top end of the connecting rod 1 sequentially penetrates through the through hole in the ship body base 8, a lower fixing sleeve 7, a disc spring assembly 6, an upper fixing sleeve 5, a vibration isolation sleeve 4 and an adjusting gasket 3 and is in threaded connection with an upper;
this embodiment, the vibration that naval vessel reduction gear 12 produced at operating condition is at first through connecting sleeve 9, the sleeve gasket 10, lock nut 11 down, transmit on connecting rod 1, then through locking nut 2, on transmitting vibration isolation sleeve 4 behind the adjusting pad 3, carry out primary vibration isolation, carry out secondary vibration isolation on transmitting dish spring subassembly 6 through last fixed cover 5 again, transmit on hull frame 8 through fixed cover 7 down at last, can reduce the radiation noise that the reduction gear arouses by a wide margin through twice vibration isolation of this kind of mounting structure.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the elastic hoisting device according to the first embodiment, in the elastic hoisting device for a ship reducer according to the present embodiment, the sleeve gasket 10 and the lower locknut 11 are disposed inside the connection sleeve 9;
in the embodiment, the sleeve gasket 10 and the lower locking nut 11 are arranged inside the connecting sleeve 9, so that the vibration of the ship reducer 12 is effectively transmitted upwards.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the elastic hoisting device according to the first embodiment, in the elastic hoisting device for a ship reducer according to the present embodiment, a circular boss is provided on the lower surface of the upper fixing sleeve 5, and a groove is provided in the middle of the upper surface of the upper fixing sleeve 5.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the elastic hoisting device according to the first embodiment, in which the lower portion of the vibration isolating sleeve 4 is disposed inside the groove on the upper surface of the upper fixing sleeve 5;
in the specific embodiment, the lower part of the vibration isolation sleeve 4 is arranged in the groove on the upper surface of the upper fixed sleeve 5, so that the vibration of the ship speed reducer 12 is effectively reduced.
The fifth concrete implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the elastic hoisting device according to the first embodiment, and the elastic hoisting device for a ship reducer according to the present embodiment has a diameter of the connecting rod 1 of 50mm to 100 mm;
in the specific embodiment, the diameter of the connecting rod 1 is 50-100 mm, so that the stability of the device is improved.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1, and the present embodiment is a further limitation of the elastic hoisting device according to the fifth embodiment, in the elastic hoisting device for a ship reducer according to the present embodiment, the diameter of the connecting rod 1 is 80 mm;
in the specific embodiment, the diameter of the connecting rod 1 is 80mm, so that the stability of the device is improved.
Principle of operation
The vibration that naval vessel reduction gear 12 produced at operating condition is at first through connecting sleeve 9, sleeve pad 10, lock nut 11 down, transmit on connecting rod 1, then through locking nut 2, transmit on vibration isolator 4 behind the adjusting pad 3, carry out primary vibration isolation, transmit through last fixed cover 5 and carry out secondary vibration isolation on dish spring subassembly 6 again, transmit on hull frame 8 through fixed cover 7 down at last, can reduce the radiation noise that the reduction gear arouses by a wide margin through the twice vibration isolation of this kind of mounting structure.
Claims (6)
1. The utility model provides a naval vessel reduction gear elasticity hoist device which characterized in that: two ends of the upper surface of the ship reducer (12) are respectively provided with an elastic hoisting device;
the elastic hoisting device comprises a connecting rod (1), an upper locking nut (2), an adjusting pad (3), a vibration isolation sleeve (4), an upper fixing sleeve (5), a disc spring assembly (6), a lower fixing sleeve (7), a connecting sleeve (9), a sleeve pad (10) and a lower locking nut (11);
one end of naval vessel reduction gear (12) upper surface is equipped with square blind hole, and blind hole inside has inlayed connecting sleeve (9), the top middle part of connecting sleeve (9) is equipped with the through-hole, the bottom of connecting rod (1) passes through the through-hole and the cover pad (10) on connecting sleeve (9) top in proper order, with lock nut (11) threaded connection down, the through-hole on hull frame (8) is passed in proper order on the top of connecting rod (1), fixed cover (7) down, dish spring subassembly (6), go up fixed cover (5), vibration isolation cover (4) and adjustment pad (3), with lock nut (2) threaded connection.
2. The ship reducer elastic hoisting device of claim 1, characterized in that: the sleeve gasket (10) and the lower locking nut (11) are arranged inside the connecting sleeve (9).
3. The ship reducer elastic hoisting device of claim 1, characterized in that: the lower surface of the upper fixing sleeve (5) is provided with a circular boss, and the middle part of the upper surface of the upper fixing sleeve (5) is provided with a groove.
4. The ship reducer elastic hoisting device according to claim 1 or 3, characterized in that: the lower part of the vibration isolation sleeve (4) is arranged in the groove on the upper surface of the upper fixed sleeve (5).
5. The ship reducer elastic hoisting device of claim 1, characterized in that: the diameter of the connecting rod (1) is 50 mm-100 mm.
6. The ship reducer elastic hoisting device of claim 5, characterized in that: the diameter of the connecting rod (1) is 80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205694.4A CN112249860A (en) | 2020-11-02 | 2020-11-02 | Elastic hoisting device for ship speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205694.4A CN112249860A (en) | 2020-11-02 | 2020-11-02 | Elastic hoisting device for ship speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112249860A true CN112249860A (en) | 2021-01-22 |
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ID=74268591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205694.4A Pending CN112249860A (en) | 2020-11-02 | 2020-11-02 | Elastic hoisting device for ship speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112249860A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475984A (en) * | 2021-12-24 | 2022-05-13 | 宜昌测试技术研究所 | UUV broadside high-power propulsion motor quick installation and vibration isolation device |
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| CN101462667A (en) * | 2007-12-19 | 2009-06-24 | 株式会社日立制作所 | Method for mounting elevator suspension rod antivabriation apparatus |
| RU2578824C1 (en) * | 2015-02-24 | 2016-03-27 | Татьяна Дмитриевна Ходакова | Vibration isolator with pendulum suspension |
| RU2614752C1 (en) * | 2016-02-08 | 2017-03-29 | Олег Савельевич Кочетов | Disk bumper with pendulum suspension |
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2020
- 2020-11-02 CN CN202011205694.4A patent/CN112249860A/en active Pending
Patent Citations (7)
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| JP2007186855A (en) * | 2006-01-11 | 2007-07-26 | Nippon Kenko Kk | Sling |
| CN101462667A (en) * | 2007-12-19 | 2009-06-24 | 株式会社日立制作所 | Method for mounting elevator suspension rod antivabriation apparatus |
| RU2578824C1 (en) * | 2015-02-24 | 2016-03-27 | Татьяна Дмитриевна Ходакова | Vibration isolator with pendulum suspension |
| RU2614752C1 (en) * | 2016-02-08 | 2017-03-29 | Олег Савельевич Кочетов | Disk bumper with pendulum suspension |
| RU2656679C1 (en) * | 2017-03-31 | 2018-06-06 | Олег Савельевич Кочетов | Vibration isolator with pendulum suspension |
| CN209353478U (en) * | 2018-09-18 | 2019-09-06 | 安徽玖环重工科技有限公司 | A kind of steel building preload attachment device |
| CN213387389U (en) * | 2020-11-02 | 2021-06-08 | 中国船舶重工集团公司第七0三研究所 | Elastic hoisting device for ship speed reducer |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114475984A (en) * | 2021-12-24 | 2022-05-13 | 宜昌测试技术研究所 | UUV broadside high-power propulsion motor quick installation and vibration isolation device |
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