CN102897304A - Pressure automatic compensation device of sealing cabin body of deep sea equipment - Google Patents
Pressure automatic compensation device of sealing cabin body of deep sea equipment Download PDFInfo
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- CN102897304A CN102897304A CN2012104135066A CN201210413506A CN102897304A CN 102897304 A CN102897304 A CN 102897304A CN 2012104135066 A CN2012104135066 A CN 2012104135066A CN 201210413506 A CN201210413506 A CN 201210413506A CN 102897304 A CN102897304 A CN 102897304A
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Abstract
The invention discloses a pressure automatic compensation device of a sealing cabin body of deep sea equipment. The deep sea equipment to be sealed is placed in a sealing cabin, and the automatic compensation of the environment pressure and the pressure in the sealing cabin is realized by the pressure automatic compensation device, so the sealing cabin bears smaller pressure, and the sealing safety is improved, wherein the deep sea equipment to be sealed is placed in the sealing cabin fully filled with non-conducting and non-corrosion liquid oil with low compression ratio, and the pressure automatic compensation device is arranged at the top of the sealing cabin. The sealing cabin with the pressure automatic compensation device is placed under the water, when the external ocean environment pressure generates changes, a piston is driven for driving a sealing leather diaphragm to move along the axial line of the piston because of the effect of the internal and external pressure difference of the sealing cabin, the internal and external pressure difference of the sealing cabin is automatically compensated by a compression spring, the pressure difference of the sealing cabin body and the external ocean environment is enabled to keep balanced, at the moment, the sealing cabin body and an O-shaped ring for sealing bear smaller pressure, and the safe sealing of the deep sea equipment can be realized.
Description
Technical field
The present invention relates to a kind of pressure automatic compensating device of deep sea equipment sealing cabin, belong to underawater ordnance and field of ocean engineering.
Background technology
China has entered on a large scale, multimode development and use ocean, and the new period that advances the marine economy development pattern to change, science and technology Xinghai County has entered new historic stage, advancing to far-reaching sea is realize the marine economy development inevitable, the development of deep sea equipment is the only way which must be passed of realizing marine exploration and development, and wherein the security seal problem of large depth underwater equipment is to realize the gordian technique of deep sea equipment development.
Usually adopt at present the pressure shell design that possesses compression-resistant structure to realize the security seal of large depth underwater equipment, adopt the sealing member such as "O"-ring to realize below deck equipment and out of my cabin installation and be connected, this kind structure is used in the deep-sea, the pressure shell wall thickness certainly will will be thickeied, cause whole carrier quality to strengthen, load reduces, and the cabin body that utilizes "O"-ring to seal can't be realized the security seal under the dark condition in full sea, especially in dynamic seal place, security seal is very risky.
Summary of the invention
In view of this, the invention provides a kind of pressure automatic compensating device of deep sea equipment sealing cabin, this device can be realized the auto-compensation of deep sea equipment sealing cabin external and internal pressure, poor the keeping in balance of external and internal pressure of sealing cabin when the depth of water is changed, the security seal of realization deep sea equipment.
The pressure automatic compensating device of deep sea equipment sealing cabin of the present invention comprises pedestal, unidirectional connection valve, end cap, Compress Spring, piston, sealing epithelium and sealing plug, and external equipment is deep sea equipment, sealed module, fuel tank and oil pump to be sealed.Wherein deep sea equipment to be sealed is placed in the sealed module, and the pressure automatic compensating device is installed in the top of sealed module.
Its annexation is: the pressure automatic compensating device is fixed on the opening at sealed module top by pedestal, end cap be fixedly mounted on pedestal directly over, the groove coupling at the through hole at end cap middle part and pedestal middle part forms the piston installation cavity, piston is positioned at this installation cavity, and piston can move up and down in this installation cavity.Described piston is the loop configuration of hollow, its upper end open, and inside face bottom midway location is processed with piston rod.Described Compress Spring is enclosed within on the piston rod, and under the not oil-filled state of sealed module, the two ends of Compress Spring are inconsistent with the inner bottom surface of the inner bottom surface of piston and end cap respectively.Described sealing epithelium is circular, and the intermediate portion is fixed by screws in the bottom of piston, and the marginal portion is fixed on the relative between the two joint face by end cap and pedestal.Described sealing epithelium is divided into upper cavity and lower chamber with the piston installation cavity.
Be processed with two axially extending bores that connect with sealed module on the described end cap, as hydraulic fluid port.Unidirectional connection valve is installed on one of them hydraulic fluid port, and unidirectional connection valve one end and sealed module connect, and the other end is connected with fuel tank by oil pump.At another hydraulic fluid port sealing plug is installed.
The bottom surface of described pedestal is processed with the through hole that the lower chamber that makes the piston installation cavity and sealed module connect.
On described pedestal and periphery that the sealed module opening is connected, on the periphery that is connected with pedestal of described unidirectional connection valve and sealing plug and the periphery that pedestal is connected, the O RunddichtringO is installed all.
The level height of described piston rod part is greater than the level height of piston open end.Beneficial effect:
This device specially for deep sea equipment under large depth conditions the security seal problem and design, can make the auto-compensation of deep sea equipment sealing cabin external and internal pressure by this device, guarantee when the depth of water changes, the external and internal pressure of sealing cabin is poor keeps in balance, make sealing cabin and " O " RunddichtringO bear less pressure, realize the security seal of deep sea equipment.
Description of drawings
Fig. 1 is the constructional drawing of deep sea equipment sealing cabin pressure automatic compensating device;
Fig. 2 to Fig. 4 applying pressure compensating chain device carries out oil-filled process to the deep sea equipment sealed module;
Fig. 5 is the cabin body figure that the applying pressure compensating chain device is realized the deep sea equipment sealing.
Wherein: the 1-sealed module, the 3-pedestal, the unidirectional connection valve of 4-, the 5-end cap, the 6-Compress Spring, the 7-piston, 8-seals epithelium, 9-sealing plug, 13-fuel tank, 14-oil pump, the deep sea equipment that 15-is to be sealed
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
The present embodiment provides a kind of pressure automatic compensating device of deep sea equipment sealing cabin, deep sea equipment to be sealed is placed in the sealed module, then realize the auto-compensation of sealed module internal pressure and ambient pressure by the pressure automatic compensating device, thereby make sealed module bear less pressure, improve the safety of sealing.
The structure of this pressure automatic compensating device comprises pedestal 3, unidirectional connection valve 4, end cap 5, Compress Spring 6, piston 7, sealing epithelium 8 and sealing plug 9 as shown in Figure 1, and external equipment is deep sea equipment 15, sealed module 1, fuel tank 13 and oil pump 14 to be sealed.Wherein deep sea equipment 15 to be sealed is placed in the sealed module 1, and the pressure automatic compensating device is installed in the top of sealed module 1.
Its concrete annexation is: the pressure automatic compensating device is fixed on the opening at sealed module 1 top by pedestal 3, " O " RunddichtringO is installed to realize the sealing of 1 of pedestal 3 and sealed module at the periphery that pedestal 3 is connected with sealed module 1 opening.End cap 5 be fixedly mounted on pedestal 3 directly over, the axial notch at the axially extending bore at end cap 5 middle parts and pedestal 3 middle parts coupling forms the installation cavity of piston 7, piston 7 is positioned at this installation cavity, piston 7 can move up and down in this installation cavity.Piston 7 is the loop configuration of hollow, and its upper end open is processed with piston rod on the boss in the middle of the inside face bottom, and the level height of piston rod part is greater than the level height of piston 7 open ends.Compress Spring 6 is enclosed within on the piston rod, and the length of Compress Spring 6 should guarantee that when piston 7 was positioned at piston installation cavity bottom, an end of Compress Spring 6 and piston 7 inside faces bottom were inconsistent, and the inner bottom surface of the other end and end cap 5 is inconsistent.In the present embodiment, be to guarantee the reliability of conflicting in Compress Spring 6 two ends, an end of Compress Spring 6 is sleeved on the boss with piston inside face bottom, the other end is sleeved on the annular protrusion of end cap 5 inside faces bottom.Part is fixed by screws in the bottom of piston 7 between circular seal epithelium 8, and the marginal portion is fixed on the relative between the two joint face with pedestal 3 by end cap 5.The sealing that sealing epithelium 8 realization pistons 7 and sealed module 1 and end cap are 5.Seal simultaneously epithelium 8 the piston installation cavity is divided into upper cavity and lower chamber.
Be processed with two axially extending bores that connect with sealed module 1 on the end cap 5, as hydraulic fluid port; Unidirectional connection valve 4 is installed on one of them hydraulic fluid port, and unidirectional connection valve 4 one ends and sealed module connect, and the other end is connected with fuel tank 13 by oil pump 14; Be used for realization to the fluid oil of sealed module 1 unidirectional conveying fuel tank 13; At another hydraulic fluid port sealing plug 9 is installed." O " RunddichtringO is installed to realize the sealing between connection valve 4 and the pedestal 3 at the periphery that unidirectional connection valve 4 contacts with pedestal 3; " O " RunddichtringO is installed to realize the sealing between sealing plug 9 and the pedestal 3 at the periphery that sealing plug 9 contacts with pedestal 3.
Be processed with the through hole that the lower chamber that makes the piston installation cavity and sealed module 1 connect on the bottom surface of pedestal 3.
Before using this pressure automatic compensating device, be full of first lcr, non-conductive, not acrid fluid oil in the sealed module 1 that is sealed with deep sea equipment 15, Oil feeding process such as Fig. 2 are to shown in Figure 4.At first the sealing plug 9 on the pressure automatic compensating device is removed, utilized transport pipe to connect oil pump 14, the input port of oil pump connects fuel tank 13, and delivery port connects unidirectional connection valve 4, as shown in Figure 2.Open oil pump 14 to sealed module 1 internal-filling liquid attitude oil, when fluid oil is emerged from the hydraulic fluid port that sealing plug 9 is installed, close oil pump 14, and sealing plug 9 is installed on the pressure automatic compensating device, as shown in Figure 3.Continue to open oil pump 14 to sealed module 1 internal-filling liquid attitude oil, when the top of piston rod exceeds end cap 5, close oil pump 14, and transport pipe and small-sized oil pump 14 are removed from unidirectional connection valve 4, finish oil-filled assembling, form the sealed module that possesses the equilibrium of pressure compensate function as shown in Figure 5.
Above-mentioned sealed module is placed under water, when outside ocean ambient pressure changes, because the effect of sealed module 1 inside and outside differential pressure, driven plunger 7 motions, piston 7 and sealing epithelium 8 move along piston axis, inside and outside differential pressure by 6 pairs of sealed modules 1 of Compress Spring carries out auto-compensation (elastic force of sealed module 1 internal pressure-outside ocean ambient pressure=Compress Spring 6), guarantee sealing cabin and poor the keeping in balance of outside ocean ambient pressure, thereby keep whole water-tight equipment to be in state of equilibrium, this moment, sealing cabin and sealing were born less pressure with "O"-ring, can realize the security seal of deep sea equipment.
In sum, above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the pressure automatic compensating device of a deep sea equipment sealing cabin, it is characterized in that, comprise pedestal (3), unidirectional connection valve (4), end cap (5), Compress Spring (6), piston (7), sealing epithelium (8) and sealing plug (9), external equipment is deep sea equipment (15), sealed module (1), fuel tank (13) and oil pump (14) to be sealed; Wherein deep sea equipment to be sealed (15) is placed in the sealed module (1), and the pressure automatic compensating device is installed in the top of sealed module (1);
Its annexation is: the pressure automatic compensating device is fixed on the opening at sealed module (1) top by pedestal (3), end cap (5) be fixedly mounted on pedestal (3) directly over, the groove coupling at the through hole at end cap (5) middle part and pedestal (3) middle part forms the piston installation cavity, piston (7) is positioned at this installation cavity, and piston (7) can move up and down in this installation cavity; Described piston (7) is the loop configuration of hollow, its upper end open, and inside face bottom midway location is processed with piston rod; Described Compress Spring (6) is enclosed within on the piston rod, is positioned at piston installation cavity when bottom at piston (7), and the two ends of Compress Spring (6) are inconsistent with the inner bottom surface of the inner bottom surface of piston (7) and end cap (5) respectively; Described sealing epithelium (8) is circular, and the intermediate portion is fixed by screws in the bottom of piston (7), and the marginal portion is fixed on the relative between the two joint face with pedestal (3) by end cap (5); Described sealing epithelium (8) is divided into upper cavity and lower chamber with the piston installation cavity;
Be processed with two axially extending bores that connect with sealed module (1) on the described end cap (5), as hydraulic fluid port; Unidirectional connection valve (4) is installed on one of them hydraulic fluid port, and unidirectional connection valve (4) one ends and sealed module connect, and the other end is connected with fuel tank (13) by oil pump (14); At another hydraulic fluid port sealing plug (9) is installed;
The bottom surface of described pedestal (3) is processed with the through hole that the lower chamber that makes the piston installation cavity and sealed module (1) connect.
2. the pressure automatic compensating device of a kind of deep sea equipment sealing cabin as claimed in claim 1, it is characterized in that, on described pedestal (3) and the periphery that sealed module (1) opening is connected, be connected 9 with sealing plug on unidirectional connection valve (4) and the periphery that pedestal (3) is connected) with periphery that pedestal (3) is connected on the O RunddichtringO all is installed.
3. the pressure automatic compensating device of a kind of deep sea equipment sealing cabin as claimed in claim 1 or 2 is characterized in that, the level height of described piston rod part is greater than the level height of piston (7) open end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104135066A CN102897304A (en) | 2012-10-25 | 2012-10-25 | Pressure automatic compensation device of sealing cabin body of deep sea equipment |
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| CN2012104135066A CN102897304A (en) | 2012-10-25 | 2012-10-25 | Pressure automatic compensation device of sealing cabin body of deep sea equipment |
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| CN2012104135066A Pending CN102897304A (en) | 2012-10-25 | 2012-10-25 | Pressure automatic compensation device of sealing cabin body of deep sea equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231791A (en) * | 2013-05-16 | 2013-08-07 | 哈尔滨工业大学 | Internal-and-external-pressure active balancing chamber |
| CN103484360A (en) * | 2013-09-09 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Circulation type culture cabin for deep-sea microorganisms |
| CN103484355A (en) * | 2013-09-06 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN105711781A (en) * | 2016-01-26 | 2016-06-29 | 中国船舶重工集团公司第七一〇研究所 | Fuel tank capable of automatically detecting fuel capacity |
| CN108749997A (en) * | 2018-05-23 | 2018-11-06 | 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） | The connected unit of elastic displacement compensation and the how resistance to laminate combined type pressure-resistance structure in deep-sea |
| CN114802661A (en) * | 2022-04-13 | 2022-07-29 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep sea mobile operation equipment, underwater mining vehicle and underwater mobile robot |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231791A (en) * | 2013-05-16 | 2013-08-07 | 哈尔滨工业大学 | Internal-and-external-pressure active balancing chamber |
| CN103484355A (en) * | 2013-09-06 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN103484355B (en) * | 2013-09-06 | 2015-03-18 | 中国船舶重工集团公司第七一〇研究所 | Uncovered culture cabin for deep-sea microorganisms |
| CN103484360A (en) * | 2013-09-09 | 2014-01-01 | 中国船舶重工集团公司第七一〇研究所 | Circulation type culture cabin for deep-sea microorganisms |
| CN105711781A (en) * | 2016-01-26 | 2016-06-29 | 中国船舶重工集团公司第七一〇研究所 | Fuel tank capable of automatically detecting fuel capacity |
| CN108749997A (en) * | 2018-05-23 | 2018-11-06 | 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） | The connected unit of elastic displacement compensation and the how resistance to laminate combined type pressure-resistance structure in deep-sea |
| CN114802661A (en) * | 2022-04-13 | 2022-07-29 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep sea mobile operation equipment, underwater mining vehicle and underwater mobile robot |
| CN114802661B (en) * | 2022-04-13 | 2023-02-03 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep sea mobile operation equipment, underwater mining vehicle and underwater mobile robot |
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Application publication date: 20130130 |