CN102678731A - Deep-water negative pressure adsorption equipment capable of fixing object under water - Google Patents
Deep-water negative pressure adsorption equipment capable of fixing object under water Download PDFInfo
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- CN102678731A CN102678731A CN2012101597025A CN201210159702A CN102678731A CN 102678731 A CN102678731 A CN 102678731A CN 2012101597025 A CN2012101597025 A CN 2012101597025A CN 201210159702 A CN201210159702 A CN 201210159702A CN 102678731 A CN102678731 A CN 102678731A
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Abstract
The invention discloses deep-water negative pressure adsorption equipment capable of fixing an object under water, which is provided with a low-pressure gas cylinder, a rubber sucking disc, and a loading object fixed with the rubber sucking disc, wherein the low-pressure gas cylinder and the rubber sucking disc are connected by a bendable rigid pipeline; the pipeline is provided with an environment pressure throttle valve; the pipeline between the environment pressure throttle valve and the rubber sucking disc is provided with a negative pressure damage valve; the pipeline between the environment pressure throttle valve and the low-pressure gas cylinder is provided with a driving switch valve; the rubber sucking disc and an adsorption basic object are tightly abutted; the driving switch valve is switched on; because the equipment is underwater, the water pressure around the equipment is higher than the gas pressure in the low-pressure gas cylinder; the pressure difference is formed between the water pressure and the gas pressure; water in the rubber sucking disc is adsorbed into the low-pressure gas cylinder; the rubber sucking disc deforms and is adsorbed to the adsorption basic object; and a loading object to be fixed on the sucking disc is fixed on the adsorption object along with the sucking disc. The deep-water negative pressure adsorption equipment has a simple structure, is free from pump elements and does not need external power, and the negative pressure adsorption can be directly realized by the liquid pressure of the underwater environment.
Description
Technical field
The present invention relates to a kind of ocean engineering technology, particularly a kind of can be with the fixing underwater deep water negative-pressure adsorption equipment of object.
Background technique
21 century is called as ocean century, and along with to the going deep into of marine resources development, people will have more opportunity and be engaged in underwater operation.System works pressure according to the Fluid Transmission and Control system is that the pressure that is higher or lower than Environmental Conditions is divided into the transmission fluid of positive pressure or the transmission fluid of negative pressure with it.Traditional negative pressure fluid transmission and control technique are that system-operating environment realizes with face of land atmosphere, but under water, are press waters around the equipment, and its environment is obviously distinguished face of land atmosphere.Negative pressure fluid transmission and control technique under traditional atmosphere environment directly can not realize under water; Negative pressure fluid transmission and control technique with corresponding good handling characteristics are supported under water but the present and following underwater operation still waits in expectation, and just need new transmission related elements of negative pressure fluid under water of development and new transmission system of negative pressure fluid under water and correlation technique thereof.At present, pneumatic system technology, do not meet relevant report as yet.
Summary of the invention
The technical problem that the present invention will solve is the deficiency to existing technology, proposed a kind of can be with the fixing underwater deep water negative-pressure adsorption equipment of object.It is simple in structure, need not external impetus, utilizes the underwater environment fluid pressure directly to realize negative-pressure adsorption.
The technical problem that the present invention will solve realizes through following technological scheme, a kind of can the fixing underwater deep water negative-pressure adsorption equipment of object being characterized in: the loads that is provided with low pressure gas cylinder, rubber suction cups and fixes with rubber suction cups; Be connected through flexible rigid pipes between low pressure gas cylinder and the rubber suction cups; The external pressure throttle valve is housed on pipeline, and the pipeline between external pressure throttle valve and the rubber suction cups is provided with the negative pressure destructive valve, and the driving switch valve is housed on the pipeline between external pressure throttle valve and the low pressure gas cylinder; Said external pressure throttle valve is provided with valve body; In valve body, be provided with air-inlet cavity and exhaust cavity, between air-inlet cavity and exhaust cavity, be provided with valve seat, be provided with the spool that cooperates with valve seat in the exhaust cavity; Be provided with the upper valve rod that joins with spool in the exhaust cavity; Be provided with the diaphragm pressurized chamber over against upper valve rod on the outer wall of exhaust cavity, the outer end of said upper valve rod is arranged in the diaphragm pressurized chamber, and the diaphragm pressurized chamber is provided with the pressure-sensitive diaphragm that cooperates with the upper valve rod termination; In air-inlet cavity, be provided with the lower valve rod that joins with spool, be provided with pressure adjusting spring between lower valve rod and the air-inlet cavity inwall.
Under water, rubber suction cups and the basic thing of absorption are close to, make the driving switch valve; Because equipment is under water; Water pressure around it is higher than the gas pressure in the low pressure gas cylinder, forms pressure reduction between the two, and then the water in the rubber suction cups is inhaled in the low pressure gas cylinder; Rubber suction cups produces distortion and is adsorbed on the basic thing of absorption, then is installed in loads to be fixed on the sucker and just is fixed on the adsorbate together in company with sucker.The present invention compared with prior art, proposed a kind of can be with the fixing underwater deep water negative-pressure adsorption equipment of object, it is simple in structure, need not external impetus, utilizes the underwater environment fluid pressure directly to realize negative-pressure adsorption.No pump class component, driving source come from the underwater environment fluid pressure and carry the pressure reduction between low pressure gas cylinder, so it also is an energy-saving equipment under water.
Description of drawings
Fig. 1 is a structure diagram of the present invention.
Fig. 2 is an external pressure throttle valve structure diagram.
Embodiment
A kind of can be with the fixing underwater deep water negative-pressure adsorption equipment of object, be provided with low pressure gas cylinder, rubber suction cups and with the fixing loads of rubber suction cups, be connected through flexible rigid pipes between low pressure gas cylinder and the rubber suction cups; The external pressure throttle valve is housed on pipeline, and the pipeline between external pressure throttle valve and the rubber suction cups is provided with the negative pressure destructive valve, and the driving switch valve is housed on the pipeline between external pressure throttle valve and the low pressure gas cylinder; Said external pressure throttle valve is provided with valve body; In valve body, be provided with air-inlet cavity and exhaust cavity, between air-inlet cavity and exhaust cavity, be provided with valve seat, be provided with the spool that cooperates with valve seat in the exhaust cavity; Be provided with the upper valve rod that joins with spool in the exhaust cavity; Be provided with the diaphragm pressurized chamber over against upper valve rod on the outer wall of exhaust cavity, the outer end of said upper valve rod is arranged in the diaphragm pressurized chamber, and the diaphragm pressurized chamber is provided with the pressure-sensitive diaphragm that cooperates with the upper valve rod termination; In air-inlet cavity, be provided with the lower valve rod that joins with spool, be provided with pressure adjusting spring between lower valve rod and the air-inlet cavity inwall.The external pressure throttle valve technology can be used under the external pressure of the different depth of waters, for equipment provides substantially invariable influent stream buffering.
Among the figure: 1 low pressure gas cylinder, 2 rubber suction cupss, 3 loads, 4 negative pressure destructive valves, 5 external pressure throttle valve, 6 driving switch valves, 7 flexible rigid pipes, the basic thing of 8 absorption.Be full of face of land atmosphere in the low pressure gas cylinder 12, by the bringing under water of constant volume, it uses as the low pressure source of system this low pressure gas cylinder in company with equipment.Loads 3 is for being fixed on the fixed object of treating on the rubber suction cups 2.
Under water, rubber suction cups 2 and the basic thing 8 of absorption are close to, open driving switch valve 6; Because equipment is under water, the water pressure around it is higher than the gas pressure in the low pressure gas cylinder, forms pressure reduction between the two; Under this differential pressure action, water just from the Gap Flow between rubber suction cups 2 edges and adsorbate in rubber suction cups 2, the water in the rubber suction cups 2 is under the effect of pressure reduction; Via external pressure throttle valve 5, driving switch valve 6, flexible rigid pipes 7 is pressed in the low pressure gas cylinder 1.Because the effect of flowing and existing has just formed the negative pressure that is lower than facility environment pressure in the pipeline of rubber suction cups and current warp, under this suction function, rubber suction cups produces distortion and is adsorbed on the adsorbate 8.After rubber suction cups holds, close driving switch valve 6, the space is closed in the rubber suction cups after the distortion, and its internal negative pressure is sealed maintenance, is installed in to treat on the rubber suction cups that fixed object just is fixed on the adsorbate 8 in company with rubber suction cups together.When opening negative pressure destructive valve 4, the environment high pressure water flows into space in the rubber suction cups, and negative pressure is destroyed, and this moment, rubber suction cups was decontroled.
Dark for fear of diving under water; Produce excessive operating pressure differential and in adsorptive process, equipment is produced big water slug; Be provided with external pressure throttle valve 5 in the system, this valve is used for being implemented under the different depth of waters, the automatic adjusting of feed liquor damping; Make it under the pairing different pressures of the different depth of waters; Get into the water velocity substantially constant of low pressure gas cylinder, alleviate impact low pressure gas cylinder, the external pressure throttle valve by: valve rod 9, pressure-sensitive diaphragm 10, valve body 11, exhaust chamber 12, pressure adjusting spring 13, admission chamber 14, spool 15, valve seat 16 etc. are formed.Pressure-sensitive diaphragm 10 is used for the pressure of testing environment fluid.Pressure adjusting spring 13 supports spool 15 through valve rod.Apply certain pretightening force to pressure adjusting spring, and then the initial driving power of control valve core movement.When pretightening force that ambient fluid pressure is set up greater than spring, the ambient fluid pressure that pressure-sensitive diaphragm 10 is born moves downward through valve rod 9, and spool and the work valve port that valve base chamber constitutes are turned down, and damping function is strengthened, and makes the pressure through fluid obtain decaying; When pretightening force that ambient fluid pressure is set up less than spring, the ambient fluid pressure that diaphragm bears is less than the active force of spring driven valve rod, and spool moves upward, and the work valve port is opened greatly, and the valve port damping function weakens, and makes the pressure through fluid obtain increase; Through detection like this and mechanical degenerative effect, the damping function of coming automatic regulating valve mouth convection cell, for equipment under the different depth of water, substantially invariable influent stream buffering is provided.
Claims (1)
1. one kind can is characterized in that the fixing underwater deep water negative-pressure adsorption equipment of object: be provided with low pressure gas cylinder, rubber suction cups and with the fixing loads of rubber suction cups, be connected through pipeline between low pressure gas cylinder and the rubber suction cups; The external pressure throttle valve is housed on pipeline, and the pipeline between external pressure throttle valve and the rubber suction cups is provided with the negative pressure destructive valve, and the driving switch valve is housed on the pipeline between external pressure throttle valve and the low pressure gas cylinder; Said external pressure throttle valve is provided with valve body; In valve body, be provided with air-inlet cavity and exhaust cavity, between air-inlet cavity and exhaust cavity, be provided with valve seat, be provided with the spool that cooperates with valve seat in the exhaust cavity; Be provided with the upper valve rod that joins with spool in the exhaust cavity; Be provided with the diaphragm pressurized chamber over against upper valve rod on the outer wall of exhaust cavity, the outer end of said upper valve rod is arranged in the diaphragm pressurized chamber, and the diaphragm pressurized chamber is provided with the pressure-sensitive diaphragm that cooperates with the upper valve rod termination; In air-inlet cavity, be provided with the lower valve rod that joins with spool, be provided with pressure adjusting spring between lower valve rod and the air-inlet cavity inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101597025A CN102678731A (en) | 2012-05-22 | 2012-05-22 | Deep-water negative pressure adsorption equipment capable of fixing object under water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101597025A CN102678731A (en) | 2012-05-22 | 2012-05-22 | Deep-water negative pressure adsorption equipment capable of fixing object under water |
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| CN102678731A true CN102678731A (en) | 2012-09-19 |
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| CN2012101597025A Pending CN102678731A (en) | 2012-05-22 | 2012-05-22 | Deep-water negative pressure adsorption equipment capable of fixing object under water |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745893A (en) * | 2016-12-25 | 2017-05-31 | 重庆杰鑫直饮水净化设备有限公司 | Outdoor purifier |
| CN107600374A (en) * | 2017-09-15 | 2018-01-19 | 大连海事大学 | A kind of deep-sea is remotely controlled strong adsorption device |
| CN107941408A (en) * | 2017-12-04 | 2018-04-20 | 成都六惠科技有限公司 | A kind of negative pressure monitor for negative pressure sucker |
| CN108839781A (en) * | 2018-05-31 | 2018-11-20 | 李圣辉 | A kind of seperated escape submarine |
| CN110466697A (en) * | 2019-08-09 | 2019-11-19 | 中铁第六勘察设计院集团有限公司 | A kind of dedicated sinking ship of immersed tube tunnel and its application method |
| CN111360460A (en) * | 2020-04-24 | 2020-07-03 | 交通运输部上海打捞局 | Automatic underwater dry-type high-pressure welding system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354856A (en) * | 1966-03-16 | 1967-11-28 | Joseph R Annibale | Submerged object lifting device |
| CN1094364A (en) * | 1993-12-10 | 1994-11-02 | 中国矿业大学北京研究生部 | Holding can be in the vacuum hold device of under-water operation behind the thing |
| CN2307249Y (en) * | 1997-09-19 | 1999-02-10 | 台湾樱花股份有限公司 | Water pressure constant-current device for water heater |
| CN2511842Y (en) * | 2001-10-23 | 2002-09-18 | 河北平衡阀门制造有限公司 | Self-fource pressure difference control valve |
-
2012
- 2012-05-22 CN CN2012101597025A patent/CN102678731A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3354856A (en) * | 1966-03-16 | 1967-11-28 | Joseph R Annibale | Submerged object lifting device |
| CN1094364A (en) * | 1993-12-10 | 1994-11-02 | 中国矿业大学北京研究生部 | Holding can be in the vacuum hold device of under-water operation behind the thing |
| CN2307249Y (en) * | 1997-09-19 | 1999-02-10 | 台湾樱花股份有限公司 | Water pressure constant-current device for water heater |
| CN2511842Y (en) * | 2001-10-23 | 2002-09-18 | 河北平衡阀门制造有限公司 | Self-fource pressure difference control valve |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745893A (en) * | 2016-12-25 | 2017-05-31 | 重庆杰鑫直饮水净化设备有限公司 | Outdoor purifier |
| CN107600374A (en) * | 2017-09-15 | 2018-01-19 | 大连海事大学 | A kind of deep-sea is remotely controlled strong adsorption device |
| CN107941408A (en) * | 2017-12-04 | 2018-04-20 | 成都六惠科技有限公司 | A kind of negative pressure monitor for negative pressure sucker |
| CN107941408B (en) * | 2017-12-04 | 2024-02-09 | 成都六惠科技有限公司 | Negative pressure monitor for negative pressure sucker |
| CN108839781A (en) * | 2018-05-31 | 2018-11-20 | 李圣辉 | A kind of seperated escape submarine |
| CN110466697A (en) * | 2019-08-09 | 2019-11-19 | 中铁第六勘察设计院集团有限公司 | A kind of dedicated sinking ship of immersed tube tunnel and its application method |
| CN111360460A (en) * | 2020-04-24 | 2020-07-03 | 交通运输部上海打捞局 | Automatic underwater dry-type high-pressure welding system |
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Application publication date: 20120919 |