CN101797974B - Manual ballast desertion device - Google Patents

Manual ballast desertion device Download PDF

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Publication number
CN101797974B
CN101797974B CN2010101368879A CN201010136887A CN101797974B CN 101797974 B CN101797974 B CN 101797974B CN 2010101368879 A CN2010101368879 A CN 2010101368879A CN 201010136887 A CN201010136887 A CN 201010136887A CN 101797974 B CN101797974 B CN 101797974B
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China
Prior art keywords
thread
negative thread
sleeve
rotating shaft
outer sleeve
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Expired - Fee Related
Application number
CN2010101368879A
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Chinese (zh)
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CN101797974A (en
Inventor
胡勇
沈允生
刘涛
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702th Research Institute of CSIC
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702th Research Institute of CSIC
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Priority to CN2010101368879A priority Critical patent/CN101797974B/en
Publication of CN101797974A publication Critical patent/CN101797974A/en
Application granted granted Critical
Publication of CN101797974B publication Critical patent/CN101797974B/en
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Abstract

The invention relates to a manual ballast desertion device, which is characterized in that: the manual ballast desertion device comprises a driving mechanism, a desertion mechanism and a weight, wherein the driving mechanism is connected with an insertion pin through a steel cable; and when the weight is deserted, the driving mechanism pulls the insertion pin through the steel cable to make the weight get rid of the limitation of a rotary rod. The manual ballast desertion device has the advantages of good reliability and simple operation; when a hydraulic power source or a power supply is lost under emergency condition, the ballast can be quickly deserted manually, so that a submersible floats upwards quickly, the potential safety hazard is reduced, the loss of life and property is reduced and the emergency capacity is high; and in the ballast desertion operation, a handwheel is rotated positively and then rotated reversely to generate the driving force for derserting the ballast, so the potential safety hazard caused by misoperation of personnel is eliminated.

Description

Manual ballast desertion device
Technical field
The present invention relates to a kind of ballast attachment, especially relate to a kind of manual ballast desertion device of submersible.
Background technology
Deep-seas such as diving bell, submarine rescue ship, manned submersible equipment all has a cover or many cover ballast iron blocks usually; Under the emergency state or when dive need to obtain big buoyancy behind certain depth; Abandon foundary weight, make hull obtain the heavy buoyant state that enough positive buoyancy safety is got back to the water surface or reached setting.Can foundary weight abandon away the emergent safety and come-up dive operation concerning submersible safely and reliably from submersible, thereby ballast desertion device must have high reliability and emergency capability.Existing ballast desertion device adopts hydraulic ram to back down suspension hook or electric detonation bolt usually and blows up modes such as hanging bar and abandon ballast; Therefore, must under the prerequisite that does not break down under the emergency rating, just might abandon ballast pig at hydraulic efficiency power unit or power supply.When under the emergency state, losing hydraulic efficiency power unit or power supply, above-mentioned ballast desertion device can't be with ballast desertion, and submersible can't rake in enough positive buoyancies and floating upward quickly, and the safety of lives and properties is worked the mischief.
Summary of the invention
The applicant has carried out research and has improved to above-mentioned problem, and a kind of manual ballast desertion mechanism is provided; Good reliability, simple to operate, when under the emergency state, losing hydraulic efficiency power unit or power supply; Can abandon ballast fast; Make the submersible floating upward quickly, reduce potential safety hazard, reduce life and property loss.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of manual ballast desertion device comprises driver train, abandons mechanism and foundary weight; The said mechanism that abandons comprises the rotation peg; Rotate peg and articulate through bearing pin and adapter plate, the front end that rotates peg is provided with hangs groove, and hanging groove is open slot; Said foundary weight is hung hanging in the groove at rotation peg front end through hanging bar; Insert-pull pin slides in two otic placodes that are fixed on the adapter plate, and insert-pull pin is pushed down the rear end of rotating peg, and the insert-pull pin rear portion is provided with the stage clip that axially compresses insert-pull pin; Driver train connects insert-pull pin through wirerope, and when abandoning foundary weight, driver train makes foundary weight break away from the restriction of rotating peg through wirerope pulling insert-pull pin;
Said driver train comprises the outer sleeve that is fixedly mounted on the pressure-resistant cabin housing; Be provided with first negative thread, second negative thread and the 3rd negative thread in the outer sleeve; First negative thread is arranged on the inner of outer sleeve; The 3rd negative thread is put the outer end of sleeve outside, and said first negative thread and the 3rd negative thread are minus thread, the second negative thread right-hand screw thread; The outer end of outer sleeve is installed with baffle plate;
The outer end of outer shaft is provided with the cable rolling wheel; Said wirerope is wound in the volume groove of cable rolling wheel; Outer shaft is rotatable to be installed in the outer sleeve, and the minus thread engagement is provided with seal ring between outer shaft and the outer sleeve between the 3rd negative thread of outside thread on the outer shaft and outer sleeve; The inner of outer shaft is provided with the 4th negative thread, and the 4th negative thread is a minus thread;
Inner sleeve is captiveed joint with the first inner negative thread of outer sleeve through minus thread, is provided with seal ring between inner sleeve and the outer sleeve; Be provided with the 5th negative thread in the inner sleeve;
Interior rotating shaft is rotatable to be installed in inner sleeve and the outer sleeve; Interior rotating shaft is provided with first outside thread, second outside thread and the 3rd outside thread; First outside thread and the 3rd outside thread are minus thread, and second outside thread is a right-hand screw thread, is provided with lip-type packing between interior rotating shaft and inner sleeve; Block nut compresses lip-type packing, and the outer end of interior rotating shaft is equipped with handwheel;
During initial condition, second outside thread of interior rotating shaft and the engagement of second negative thread of outer sleeve; When abandoning the ballast operation; Rotate handwheel, after second negative thread of second outside thread in the interior rotating shaft and outer sleeve breaks away from, the backward rotation handwheel; The 5th negative thread in first outside thread of interior rotating shaft and the inner sleeve gets into engagement; The 3rd outside thread of interior rotating shaft and the 4th negative thread on the outer shaft get into engagement then, after the 3rd outside thread and the 4th negative thread on the outer shaft of interior rotating shaft mesh fully, drive outer shaft and rotate the cable rolling that also drives on the outer shaft and take turns the rolling wirerope.
Further:
Said wirerope is with the hard sheath outward.
Technique effect of the present invention is:
A kind of manual ballast desertion device disclosed by the invention, good reliability, simple to operate; When under the emergency state, losing hydraulic efficiency power unit or power supply, can manually abandon ballast fast, make the submersible floating upward quickly; Reduce potential safety hazard, reduce life and property loss, emergency capability is stronger; After abandoning ballast action need derotation handwheel, the dextrorotation handwheel just can produce the propulsive effort of abandoning ballast again, has eliminated the potential safety hazard that personnel's maloperation brings.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the B-B place cutaway view of Fig. 2.
Fig. 4 is the structural representation of driver train.
The specific embodiment
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Like Fig. 1,2, shown in 3, the present invention includes driver train 200, abandon mechanism 100 and foundary weight 29, abandon the bottom that mechanism 100 and foundary weight 29 are installed in submersible 400, driver train 200 is installed on the pressure shell of pressure-resistant cabin 300.Abandon mechanism 100 and comprise rotation peg 33; Rotate peg 33 and articulate through bearing pin 32 and adapter plate 27, bearing pin 32 is fixed on the adapter plate 27 by fix screw 31, rotates peg 33 and can in the groove on the adapter plate 27 35, rotate; The front end that rotates peg 33 is provided with hangs groove 28; Hang groove 28 and be open slot, foundary weight 29 is fixedly mounted on by captive nut 40 and hangs on the bar 41, and foundary weight 29 is hung hanging in the groove 28 at rotation peg 33 front ends through the screw head of hanging on the bar 41 30 of hanging.Insert-pull pin 34 slides in first otic placode 36 and second otic placode 37; First otic placode 36 and second otic placode 37 are welded on the adapter plate 27, and insert-pull pin 34 is pushed down the rear end of rotating peg 33, is provided with third ear plate 42 behind second otic placode 37; Stage clip 38 is enclosed within insert-pull pin 34 rear portions; One end of stage clip 38 props up third ear plate 42, and the other end of stage clip 38 axially compresses insert-pull pin 34, makes insert-pull pin 34 keep pushing down the state that rotates peg 33 rear ends.Because foundary weight 29 leaves the distance of the distance of bearing pin 32 less than insert-pull pin 34 and bearing pin 32 at the hanging point that rotates on the peg 33, according to lever principle, the thrust of insert-pull pin 34 is much smaller than the weight of foundary weight 29.Driver train 200 connects insert-pull pin 34 through wirerope 1, and the tail end of wirerope 1 passes third ear plate 42, and the tail end with insert-pull pin 34 in stage clip 38 links to each other, and stage clip 38 can not extracted insert-pull pin 34 because of the shake of submersible, can not produce unexpected the throwing and carry.Be provided with hard sheath 2 outside the wirerope 1, hard sheath 2 is captiveed joint with third ear plate 42.
When needs are abandoned foundary weight 29, when operating driver train 200, the operator spurs insert-pull pin 34 through wirerope 1, and wirerope 1 overcomes the elastic force of stage clip 38, and insert-pull pin 34 is extracted.After insert-pull pin 34 was pulled out, foundary weight 29 by gravitys pulling rotation peg 33 rotated around bearing pin 32, made and rotated peg 33 upsets, hung hang groove 28 slippage of bar 41 from rotation peg 33, thereby made foundary weight 29 abandon.Before foundary weight 29 was not abandoned, stage clip 38 compressed insert-pull pin 34, made that hanging bar 41 hangs on the rotation peg 33 safely.
As shown in Figure 4; Driver train 200 comprises the outer sleeve 6 that is welded on pressure-resistant cabin 300 housings 8; Be provided with the inner that first negative thread 19, second negative thread 20 and the 3rd negative thread 24, the first negative threads 19 are arranged on outer sleeve 6 in the outer sleeve 6, the 3rd negative thread 24 is arranged on the outer end of outer sleeve 6; First negative thread 19 and the 3rd negative thread 24 are minus thread, second negative thread, 20 right-hand screw threads.Baffle plate 4 is fixedly mounted on the outer end of outer sleeve 6 through screw 5.
The outer end of outer shaft 23 is provided with cable rolling wheel 26; Wirerope 1 is wound in the volume groove 2601 of cable rolling wheel 26; Outer shaft 23 rotatable being installed in the outer sleeve 6, the minus thread engagement is provided with seal ring 7 between outer shaft 23 and the outer sleeve 6 between the 3rd negative thread 24 of outside thread 25 on the outer shaft 23 and outer sleeve; It is minus thread that the inner of outer shaft 23 is provided with the 4th negative thread 22, the four negative threads 22.
Inner sleeve 9 is captiveed joint with the outer sleeve 6 first inner negative threads 19 through the outer connecting thread 17 of one of which end; Outer connecting thread 17 is a minus thread; Be provided with seal ring 43 between inner sleeve 9 and the outer sleeve 6, inner sleeve 9 is connected as a whole with outer sleeve 6, and guarantees the connecting portion watertight of inner sleeve 9 and outer sleeve 6 through seal ring 43; Being provided with the 5th negative thread 16, the five negative threads 16 in the inner sleeve 9 is minus thread.
Interior rotating shaft 14 rotatable being installed in inner sleeve 9 and the outer sleeve 6, interior rotating shaft 14 are provided with first outside thread 15, second outside thread 18 and the 3rd outside thread 21, the first outside threads 15 and the 3rd outside thread 21 is a minus thread, and second outside thread 18 is a right-hand screw thread.9 of interior rotating shaft 14 and inner sleeves are provided with lip-type packing 10; Block nut 11 is through being threaded into the terminal of inner sleeve 9 and compressing lip-type packing 10, and lip-type packing 10 forms rotary seal between interior rotating shaft 14 and inner sleeve 9, even can guarantee to be provided with between outer shaft 23 and the outer sleeve 6 under the situation of seal ring 7 inefficacies; Seawater can not get into pressure shell inside; Simultaneously, interior rotating shaft 14 is sleeved in the block nut 11, and rotating shaft 14 can off-axis in rotation process in can also guaranteeing.The outer end of interior rotating shaft 14 is installed with handwheel 12 through nut 13.
The outside of wirerope 1 is with hard sheath 2, (other end of hard sheath 2 is fixed on the third ear plate 42) that the termination of hard sheath 2 and fixed support 3 are fixed together.Wirerope 1 is passed in hard sheath 2 and fixed support 3, and can freely twitch and do not receive the restriction in path.The effect of hard sheath 2 is that wirerope 1 is when tension; Under the effect of hard sheath 2, can not be out of shape; Therefore, the mechanism 100 that abandons of the present invention can be according to the design demand of submersible, is installed separately the different parts of submersible with driver train 200 and is connected through wirerope 1.
During initial condition, second outside thread 18 of interior rotating shaft 14 and second negative thread engagement 20 of outer sleeve 6; When abandoning the ballast operation; At first rotate counterclockwise handwheel 12; Rotating shaft 14 is mobile to out of my cabin through the engagement between second negative thread 20 of second outside thread 18 in the interior rotating shaft 14 and outer sleeve 6 in making; After second negative thread 20 of second outside thread 18 in the interior rotating shaft 14 and outer sleeve 6 broke away from, rotation handwheel 12 continues to rotate counterclockwise can not make interior rotating shaft 14 continue to out of my cabin mobile; Should change into and clockwise rotate handwheel 12 this moment, and first outside thread 15 of interior rotating shaft 14 meshes with the 5th negative thread 16 entering in the inner sleeve, and interior rotating shaft 14 continues outside cabin and moves; Continue to clockwise rotate handwheel 12; The 3rd outside thread 21 of interior rotating shaft 14 also gets into engagement with the 4th negative thread 22 on the outer shaft 23; After the 3rd outside thread 21 of interior rotating shaft 14 and the 4th negative thread 22 on the outer shaft 23 mesh fully; 26 rolling wireropes 1 are taken turns in the cable rolling that drives outer shaft 23 rotations and drive on the outer shaft 23, finally extract insert-pull pin 34 and abandon foundary weight 29.Baffle plate 4 can guarantee that outer shaft 23 can not screw out outer sleeve 6 in rotation process.Can see by said process, need derotation handwheel 12 after, dextrorotation handwheel 12 just can produce and throw carry a propulsive effort again, has eliminated the potential safety hazard that personnel's maloperation brings.

Claims (2)

1. a manual ballast desertion device is characterized in that: comprise driver train, abandon mechanism and foundary weight; The said mechanism that abandons comprises the rotation peg; Rotate peg and articulate through bearing pin and adapter plate, the front end that rotates peg is provided with hangs groove, and hanging groove is open slot; Said foundary weight is hung hanging in the groove at rotation peg front end through hanging bar; Insert-pull pin slides in two otic placodes that are fixed on the adapter plate, and insert-pull pin is pushed down the rear end of rotating peg, and the insert-pull pin rear portion is provided with the stage clip that axially compresses insert-pull pin; Driver train connects insert-pull pin through wirerope, and when abandoning foundary weight, driver train makes foundary weight break away from the restriction of rotating peg through wirerope pulling insert-pull pin;
Said driver train comprises the outer sleeve that is fixedly mounted on the pressure-resistant cabin housing; Be provided with first negative thread, second negative thread and the 3rd negative thread in the outer sleeve; First negative thread is arranged on the inner of outer sleeve; The 3rd negative thread is put the outer end of sleeve outside, and said first negative thread and the 3rd negative thread are minus thread, and second negative thread is a right-hand screw thread; The outer end of outer sleeve is installed with baffle plate;
The outer end of outer shaft is provided with the cable rolling wheel; Said wirerope is wound in the volume groove of cable rolling wheel; Outer shaft is rotatable to be installed in the outer sleeve, and the minus thread engagement is provided with seal ring between outer shaft and the outer sleeve between the 3rd negative thread of outside thread on the outer shaft and outer sleeve; The inner of outer shaft is provided with the 4th negative thread, and the 4th negative thread is a minus thread;
Inner sleeve is captiveed joint with the first inner negative thread of outer sleeve through minus thread, is provided with seal ring between inner sleeve and the outer sleeve; Be provided with the 5th negative thread in the inner sleeve;
Interior rotating shaft is rotatable to be installed in inner sleeve and the outer sleeve; Interior rotating shaft is provided with first outside thread, second outside thread and the 3rd outside thread; First outside thread and the 3rd outside thread are minus thread, and second outside thread is a right-hand screw thread, is provided with lip-type packing between interior rotating shaft and inner sleeve; Block nut compresses lip-type packing, and the outer end of interior rotating shaft is equipped with handwheel;
During initial condition, second outside thread of interior rotating shaft and the engagement of second negative thread of outer sleeve; When abandoning the ballast operation; Rotate handwheel, after second negative thread of second outside thread in the interior rotating shaft and outer sleeve breaks away from, the backward rotation handwheel; The 5th negative thread in first outside thread of interior rotating shaft and the inner sleeve gets into engagement; The 3rd outside thread of interior rotating shaft and the 4th negative thread on the outer shaft get into engagement then, after the 3rd outside thread and the 4th negative thread on the outer shaft of interior rotating shaft mesh fully, drive outer shaft and rotate the cable rolling that also drives on the outer shaft and take turns the rolling wirerope.
2. according to the described manual ballast desertion device of claim 1, it is characterized in that: said wirerope is with the hard sheath outward.
CN2010101368879A 2010-03-30 2010-03-30 Manual ballast desertion device Expired - Fee Related CN101797974B (en)

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CN201647112U (en) * 2010-03-30 2010-11-24 中国船舶重工集团公司第七〇二研究所 Manual ballast discarding device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR390751A (en) * 1907-08-06 1908-10-14 Maxime Laubeuf Arrangement of safety seals on submarines or submersibles
CN101402396A (en) * 2008-11-21 2009-04-08 哈尔滨工程大学 Emergency release gear module of submersible
CN101554922A (en) * 2009-04-24 2009-10-14 中国船舶重工集团公司第七〇二研究所 Rapid non-block discarding device for manned diving instrument
CN101537879A (en) * 2009-04-29 2009-09-23 天津大学 Lock-opening style underwater load rejection mechanism
CN201647112U (en) * 2010-03-30 2010-11-24 中国船舶重工集团公司第七〇二研究所 Manual ballast discarding device

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