CN108974295B - Pitching adjustment and emergency load rejection mechanism - Google Patents
Pitching adjustment and emergency load rejection mechanism Download PDFInfo
- Publication number
- CN108974295B CN108974295B CN201810575236.6A CN201810575236A CN108974295B CN 108974295 B CN108974295 B CN 108974295B CN 201810575236 A CN201810575236 A CN 201810575236A CN 108974295 B CN108974295 B CN 108974295B
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- Prior art keywords
- bow
- chain
- stern
- winding drum
- safety pin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transmission Devices (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a trim adjustment and emergency load rejection mechanism, which comprises a bow reel, a bearing seat, a base, a rotating shaft, a stern reel and a chain, wherein the bow reel is arranged on the bearing seat; the bow winding drum is positioned at a position close to the bow of the underwater vehicle, and the stern winding drum is positioned at a position close to the stern of the underwater vehicle; the two rotating shafts are respectively positioned at the bow part and the stern part of the underwater vehicle, and the bow winding drum and the stern winding drum respectively rotate around the corresponding rotating shafts; the rotating shaft is arranged on the base through a corresponding bearing seat frame; the base is of a frame structure, the middle of the base is free from shielding, and the base is used for carrying by throwing; the chain is respectively wound on the bow winding drum and the stern winding drum, the winding direction of the chain on the bow winding drum is clockwise, and the winding direction on the stern winding drum is anticlockwise. The mechanism not only realizes the migration of large quality, but also meets the requirement of emergency load rejection, and has small influence on the environment.
Description
Technical Field
The invention belongs to the technical field of underwater vehicles, relates to emergency equipment, and particularly relates to a trim adjustment and emergency load rejection mechanism.
Background
Underwater vehicles, including manned and unmanned underwater vehicles, require longitudinal attitude adjustments, referred to as trim adjustments, if necessary. If the bow is desired to be inclined downwards so as to increase the submerging speed, for example, when the trim adjustment mechanism is required to move the weight to the bow; for another example, if the fore sampling basket is loaded with samples, resulting in an imbalance of the fore and aft, the trim adjustment mechanism would need to move the weights to the aft.
The following problems exist in the prior art:
(1) Traction technology for large-mass objects such as storage batteries comprises the following steps: and large-mass objects such as a storage battery and the like are pulled back and forth, so that the trim adjustment is realized. The problems are that: firstly, the cavity space required by adjustment is large, and the adjustment is not easy to realize in the submersible; secondly, the inertia of large-mass objects such as the storage battery is large, and if the storage battery is in a bottom frame form, the storage battery is difficult to discard as emergency ballast; if a top suspension mode is adopted, shaking is very easy to occur in the traction and floating process, and damage is caused by impacting the boat body frame.
(2) Mercury trim adjustment technique: two mercury tanks are respectively placed at the fore and aft, half-tank mercury and half-tank hydraulic oil are filled in the mercury tanks, and the top and the bottom of the two tanks are respectively connected through pipelines. Hydraulic oil is pumped from one tank to another by a hydraulic pump, and mercury is pushed back to the first tank, so that the quality is adjusted due to the high density of mercury. The problems are that: the system is complex, mercury is volatile, corrosive, toxic and difficult to maintain; if released directly into the sea as emergency ballast, it can be harmful to the environment.
(3) Sea water trim adjustment technique: similar to mercury trim adjustment, but seawater is used as an adjusting medium, so that the safety is greatly improved. The problems are that: the seawater density is smaller, so that the adjusting capability is weaker, the viscosity of the seawater is small, the self-leakage is serious when the seawater is in high-pressure seawater with large depth, and the adjusting speed is slower.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a trim adjustment and emergency load rejection mechanism which not only realizes the migration of large quality, but also realizes the requirement of emergency load rejection, and has small influence on environment.
For this purpose, the invention adopts the following technical scheme:
a trim adjustment and emergency load rejection mechanism comprises a bow reel, a bearing seat, a base, a rotating shaft, a stern reel and a chain; the bow winding drum is positioned at a position close to the bow of the underwater vehicle, and the stern winding drum is positioned at a position close to the stern of the underwater vehicle; the two rotating shafts are respectively positioned at the bow part and the stern part of the underwater vehicle, and the bow winding drum and the stern winding drum respectively rotate around the corresponding rotating shafts; the rotating shaft is arranged on the base through a corresponding bearing seat frame; the base is of a frame structure, the middle of the base is free from shielding, and the base is used for carrying by throwing; the chain is respectively wound on the bow winding drum and the stern winding drum, the winding direction of the chain on the bow winding drum is clockwise, and the winding direction on the stern winding drum is anticlockwise.
Further, the chain is in a chain shape by adopting a plurality of sections of chain units, and the number of the sections is determined by the installation space of the bow-stern winding drum and the pitching adjustment quantity.
Further, the chain comprises a head end chain unit, a tail end chain unit and a plurality of middle chain units, wherein each chain unit is connected through a middle connecting rod and can rotate around the middle connecting rod; the head end and the tail end of the chain are safety pins which are respectively connected with the head end chain unit and the tail end chain unit through head and tail connecting rods and can rotate around the head and tail connecting rods.
Further, the safety pin is T-shaped, and the bottom surface of the pin cap is arc-shaped, so that the safety pin can slide on the inner wall of the winding drum conveniently.
Further, the barrels of the bow winding barrel and the stern winding barrel are provided with a groove and a hole which are connected, wherein the width of the groove is slightly larger than the outer diameter of a pin shaft of the safety pin and smaller than the maximum outer diameter of a pin cap of the safety pin, and the diameter of the hole is larger than the maximum outer diameter of the pin cap of the safety pin.
Further, the slot is located on the inside and the hole is located on the outside with respect to the positions of the two reels.
Further, the safety pin passes through the hole on the bow reel or the stern reel and slides inwards to be blocked on the grooves of the two cylinders.
Preferably, one side of the rotating shaft is connected with a power machine, and the power machine can rotate in the forward and reverse directions.
Preferably, the power machine comprises an oil immersed motor and a hydraulic motor.
Preferably, the chain is made of a metal material.
Compared with the prior art, the invention has the beneficial effects that:
(1) Simultaneously meets the requirements of trim adjustment and emergency load rejection;
(2) Compared with mercury regulation, the metal chain has little pollution to the environment, no pipeline, tank body, valve body and the like, low system complexity, easy maintenance and easy replacement of the chain;
(3) Compared with the storage battery and other large-mass adjustment, the storage battery has small occupied space, only a larger space is arranged at the stem-stern winding drum, the space requirement of the middle part is small, and the throwing load is easy to realize;
(4) Compared with seawater regulation, the hydraulic motor or the oil immersion motor can be used as power machinery, and the transmission efficiency is high.
Drawings
Fig. 1 is an isometric view of the overall structure of a trim adjustment and emergency load rejection mechanism provided by the present invention.
Fig. 2 is a structural diagram of the components and connection form of the chain in the pitch adjustment and emergency load rejection mechanism provided by the invention.
Fig. 3 is a schematic diagram of the slotted form of the spool and the position relationship of the shear pin in the pitch adjustment and emergency load rejection mechanism provided by the present invention.
Reference numerals illustrate: 1. a bow drum; 2. a bearing seat; 3. a base; 4. a rotating shaft; 5. a stern roller; 6. a chain; 6.1, a head end chain unit; 6.2, an intermediate chain unit; 6.3, an intermediate connecting rod; 6.4, a tail end chain unit; 6.5, connecting rods at the head and the tail; 6.6, a safety pin.
Description of the embodiments
The present invention will be described in detail below with reference to the drawings and the specific embodiments thereof, which are for explanation of the present invention only, but not for limitation of the present invention.
As shown in fig. 1, the invention discloses a trim adjustment and emergency load rejection mechanism, which comprises a bow drum 1, a bearing seat 2, a base 3, a rotating shaft 4, a stern drum 5 and a chain 6; the bow winding drum 1 is positioned at a position close to the bow of the underwater vehicle, and the stern winding drum 5 is positioned at a position close to the stern of the underwater vehicle; the two rotating shafts 4 are respectively positioned at the bow part and the stern part of the underwater vehicle, and the bow winding drum 1 and the stern winding drum 5 respectively rotate around the corresponding rotating shafts 4; the rotating shaft 4 is supported on the base 3 through a corresponding bearing pedestal 2; the base 3 is of a frame structure, and the middle part of the base is free from shielding and is used for carrying by throwing; the chain 6 is respectively wound on the bow winding drum 1 and the stern winding drum 5, the winding direction of the chain 6 on the bow winding drum 1 is clockwise, and the winding direction on the stern winding drum 5 is anticlockwise.
Specifically, the chain 6 is in a chain shape by adopting a plurality of sections of chain units, and the number of the sections is determined by the installation space of the bow-stern reels and the trim adjustment amount.
Specifically, as shown in fig. 2, the chain 6 includes a head end chain unit 6.1, a tail end chain unit 6.4 and intermediate chain units 6.2, where the number of the intermediate chain units 6.2 is plural, and each chain unit is connected by an intermediate link 6.3 and can rotate around the intermediate link 6.3; the head and tail ends of the chain 6 are safety pins 6.6, and the safety pins 6.6 are respectively connected with the head end chain unit 6.1 and the tail end chain unit 6.4 through head and tail connecting rods 6.5 and can rotate around the head and tail connecting rods 6.5.
Specifically, the safety pin 6.6 is T-shaped, and the bottom surface of the pin cap is arc-shaped, so that the safety pin can slide on the inner wall of the winding drum conveniently.
Specifically, the barrels of the bow winding barrel 1 and the stern winding barrel 5 are provided with a groove and a hole which are connected, wherein the width of the groove is slightly larger than the outer diameter of a pin shaft of the safety pin 6.6 and smaller than the maximum outer diameter of a pin cap of the safety pin 6.6, and the diameter of the hole is larger than the maximum outer diameter of the pin cap of the safety pin 6.6.
Specifically, as shown in fig. 3, the groove is located on the inner side and the hole is located on the outer side with respect to the positions of the two reels.
Specifically, the safety pin 6.6 passes through the hole on the bow reel 1 or the stern reel 5 and slides inwards to be blocked on the grooves of the two cylinders.
Specifically, one side of the rotating shaft 4 is connected with a power machine, and the power machine can rotate in the forward and reverse directions.
Specifically, the power machine comprises an oil immersed motor and a hydraulic motor.
Specifically, the chain 6 is made of a metal material.
Examples
The working principle of the pitching adjustment and emergency load rejection mechanism provided by the invention is as follows: the quality adjustment in the pitching direction can be realized by enabling the winding drum to rotate forwards and reversely and adjusting the number of the chain sections wound on the bow-stern winding drum; the chain is separated from the barrel body by adjusting the relative positions of the safety pin and the slotted hole on the barrel body of the winding drum, so that the load throwing requirement is met.
Assuming that the two reels rotate clockwise and anticlockwise as normal and reverse; initial state: the number of the chain sections wound on the two reels is approximately equal. The specific actions are as follows:
(1) Trim adjustment (mass advance): the bow reel 1 and the stern reel 5 are simultaneously reversed until the requirements are met. However, when the chain unit on the stern roller 5 only has one turn left, the rotation should be stopped to prevent the safety pin on the chain 6 from being disengaged from the slot on the roller.
(2) Trim adjustment (mass shift back): the bow reel 1 and the stern reel 5 rotate forward at the same time until the requirements are met. However, when the chain unit on the bow drum 1 only leaves one turn, the rotation should be stopped to prevent the safety pin on the chain 6 from disengaging from the slot on the drum.
(3) Load is thrown from the bow reel 1: the stern roller 5 is independently reversed, and the chain is unfolded under the action of gravity until the chain unit on the stern roller 5 is completely disconnected; if the safety pin 6.6 is not separated from the winding drum, the safety pin 6.6 can slowly rotate forwards, so that the safety pin 6.6 is separated; the latter half of the chain 6 has now been released from the stern roller 5.
The bow drum 1 rotates forward independently, and the chain is unfolded under the action of gravity until the chain unit on the bow drum 1 is completely separated; if the safety pin 6.6 is not separated from the winding drum, the safety pin 6.6 can be slowly reversed, so that the safety pin 6.6 is separated; at this time, the whole chain 6 is disconnected from the bow drum 1, and the load rejection is completed.
(4) Load is thrown from the stern roller 5: the bow drum 1 rotates forward independently, and the chain is unfolded under the action of gravity until the chain unit on the bow drum 1 is completely disconnected; if the safety pin 6.6 is not separated from the winding drum, the safety pin 6.6 can be slowly reversed, so that the safety pin 6.6 is separated; at this point the first half of the chain 6 has been disconnected from the bow drum 1.
The stern roller 5 is independently reversed, and the chain is unfolded under the action of gravity until the chain unit on the stern roller 5 is completely separated; if the safety pin 6.6 is not separated from the winding drum, the safety pin 6.6 can slowly rotate forwards, so that the safety pin 6.6 is separated; at this time, the whole chain 6 is disconnected from the stern roller 5, and the load rejection is completed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention, but any modifications, equivalents, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention. Here, the appearance forms of the head end chain unit 6.1, the middle chain unit 6.2 and the tail end chain unit 6.4 are not specifically described, and only the corresponding functions are completed, which are all within the scope of protection of the present patent.
Claims (7)
1. The utility model provides a pitch is adjusted and emergent throws carries mechanism, includes bow reel (1), bearing frame (2), base (3), pivot (4), stern reel (5) and chain (6), its characterized in that: the bow winding drum (1) is positioned at a position close to the bow of the underwater vehicle, and the stern winding drum (5) is positioned at a position close to the stern of the underwater vehicle; the two rotating shafts (4) are respectively positioned at the bow part and the stern part of the underwater vehicle, and the bow winding drum (1) and the stern winding drum (5) respectively rotate around the corresponding rotating shafts (4); the rotating shaft (4) is supported on the base (3) through a corresponding bearing seat (2); the base (3) is of a frame structure, and the middle of the base is free of shielding and is used for throwing load; the chain (6) is respectively wound on the bow winding drum (1) and the stern winding drum (5), the winding direction of the chain (6) on the bow winding drum (1) is clockwise, and the winding direction on the stern winding drum (5) is anticlockwise;
the chain (6) comprises a head end chain unit (6.1), a tail end chain unit (6.4) and a plurality of middle chain units (6.2), wherein the chain units are connected through middle connecting rods (6.3) and can rotate around the middle connecting rods (6.3); the head end and the tail end of the chain (6) are provided with a safety pin (6.6), and the safety pin (6.6) is respectively connected with the head end chain unit (6.1) and the tail end chain unit (6.4) through head and tail connecting rods (6.5) and can rotate around the head and tail connecting rods (6.5);
the safety pin (6.6) is T-shaped, and the bottom surface of the pin cap is arc-shaped, so that the safety pin can slide on the inner wall of the winding drum conveniently;
the barrels of the bow winding barrel (1) and the stern winding barrel (5) are provided with a groove and a hole which are connected, wherein the width of the groove is slightly larger than the outer diameter of a pin shaft of the safety pin (6.6) and smaller than the maximum outer diameter of a pin cap of the safety pin (6.6), and the diameter of the hole is larger than the maximum outer diameter of the pin cap of the safety pin (6.6).
2. A trim adjustment and emergency load rejection mechanism according to claim 1, wherein: the chain (6) adopts a plurality of sections of chain units to form a chain shape, and the number of the sections is determined by the installation space of the bow-stern winding drum and the pitching adjustment quantity.
3. A trim adjustment and emergency load rejection mechanism according to claim 2, wherein: the slot is located on the inside and the slot is located on the outside relative to the position of the two reels.
4. A trim adjustment and emergency load rejection mechanism according to claim 3, wherein: the safety pin (6.6) passes through the hole on the bow reel (1) or the stern reel (5) and slides inwards to be clamped on the grooves of the two cylinders.
5. A trim adjustment and emergency load rejection mechanism according to any one of claims 1 to 4, wherein: one side of the rotating shaft (4) is connected with a power machine, and the power machine can rotate positively and negatively.
6. The trim adjustment and emergency load rejection mechanism of claim 5, wherein: the power machine comprises an oil immersed motor and a hydraulic motor.
7. The trim adjustment and emergency load rejection mechanism of claim 6, wherein: the chain (6) is made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575236.6A CN108974295B (en) | 2018-06-06 | 2018-06-06 | Pitching adjustment and emergency load rejection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575236.6A CN108974295B (en) | 2018-06-06 | 2018-06-06 | Pitching adjustment and emergency load rejection mechanism |
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| Publication Number | Publication Date |
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| CN108974295A CN108974295A (en) | 2018-12-11 |
| CN108974295B true CN108974295B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810575236.6A Active CN108974295B (en) | 2018-06-06 | 2018-06-06 | Pitching adjustment and emergency load rejection mechanism |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202010011793U1 (en) * | 2010-08-23 | 2011-02-10 | BÄSTEL, Daniel | Underwater vehicle |
| CN103879532A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Emergency load rejection mechanism of deep-sea manned submersible |
| JP2016064798A (en) * | 2014-09-26 | 2016-04-28 | 株式会社Ihi | Attitude controller for underwater equipment |
| CN206937026U (en) * | 2017-06-22 | 2018-01-30 | 深圳磨霸智能科技有限公司 | A kind of accurate pipe fitting fine setting polissoir |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2641002Y (en) * | 2002-07-17 | 2004-09-15 | 王其生 | Offset correcting and shaking proof device loading/unloading bridge of hydraulic pusher hook block for container |
| RU2525248C2 (en) * | 2009-08-14 | 2014-08-10 | Арчимедс Пти Лтд | Flotation system |
| CN104816807B (en) * | 2015-04-28 | 2016-11-16 | 中国船舶重工集团公司第七○二研究所 | A kind of manned underwater vehicle drop able ballast preventer |
| US10028492B2 (en) * | 2016-04-05 | 2018-07-24 | Jeremy Adam Lehl | Methods and systems for maintaining a constant depth |
| CN106945806A (en) * | 2017-03-23 | 2017-07-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Submersible biliquid cylinder Emergency Device mechanism |
| CN207208415U (en) * | 2017-04-21 | 2018-04-10 | 上海交通大学 | Underwater glider |
| CN208248474U (en) * | 2018-06-06 | 2018-12-18 | 上海海洋大学 | A kind of device for Emergency Device |
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2018
- 2018-06-06 CN CN201810575236.6A patent/CN108974295B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010011793U1 (en) * | 2010-08-23 | 2011-02-10 | BÄSTEL, Daniel | Underwater vehicle |
| CN103879532A (en) * | 2014-03-20 | 2014-06-25 | 中国海洋石油总公司 | Emergency load rejection mechanism of deep-sea manned submersible |
| JP2016064798A (en) * | 2014-09-26 | 2016-04-28 | 株式会社Ihi | Attitude controller for underwater equipment |
| CN206937026U (en) * | 2017-06-22 | 2018-01-30 | 深圳磨霸智能科技有限公司 | A kind of accurate pipe fitting fine setting polissoir |
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| CN108974295A (en) | 2018-12-11 |
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