CN102230487A - Air bag type pressure accumulator - Google Patents
Air bag type pressure accumulator Download PDFInfo
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- CN102230487A CN102230487A CN2011100869437A CN201110086943A CN102230487A CN 102230487 A CN102230487 A CN 102230487A CN 2011100869437 A CN2011100869437 A CN 2011100869437A CN 201110086943 A CN201110086943 A CN 201110086943A CN 102230487 A CN102230487 A CN 102230487A
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Abstract
The invention relates to an air bag type pressure accumulator. The air bag type pressure accumulator comprises a pressure accumulator body, wherein a water inlet pipeline which is connected with a high pressure water pump and a water outlet pipeline which is connected with a test device are connected with the pressure accumulator body respectively; and a high pressure water overflow protective device is connected with the pressure accumulator body. The air type pressure accumulator is characterized in that: a high pressure air bag is arranged in the pressure accumulator body, connected with a high pressure air bottle by an air entrapping pipeline and connected with the high pressure air overflow protective device by a pipeline. The air bag type pressure accumulator has a simple structure and is convenient to operate and safe in operation. The high pressure air bag is arranged in the pressure accumulator body, so that a high pressure water source can be persistently and steadily supplied, pressure fluctuation is reduced, the service life of the pressure accumulator body and the high pressure water pump is prolonged, a pressure test device can be effectively protected, and the volume of the pressure accumulator body can be reduced under the condition of ensuring water supply quantity.
Description
Technical field
The present invention relates to a kind of liquid-storage device, especially relate to a kind of air sac type accumulator, for structure hydraulic pressure pilot system provides lasting, stable high-pressure water flow.
Background technique
Accumulator is the important component part of structure hydraulic pressure pilot system, and major function is for the constitution water compression testing device provides comparatively lasting, stable high-pressure water flow, and its working pressure needs permanent test pressure greater than tested structural member.But the high pressure water flow of existing accumulator supply structure water test unit, be approximately equal to the volumetric expansion amount that the accumulator cylindrical shell produces under the high pressure effect, if the pressure accumulation tube uses the steel manufacturing of moderate strength, its maximum volume swell increment is less than 0.5% of accumulator volume, thereby the volume of accumulator cylindrical shell is bigger usually, and in process of the test, need frequent band to press off and open high-pressure water pump, and the pressure accumulation cylindrical shell is under the fluctuation pressure effect of high frequency for a long time, there is adverse influence this working life, especially for the structure circulating pressure test that needs large period to high-pressure water pump and pressure accumulation cylindrical shell.
Summary of the invention
The applicant has carried out research and has improved at above-mentioned problem, and a kind of air sac type accumulator is provided, and lasting, stable high-pressure water can be provided, and reduces pressure surge, prolongs the working life of pressure accumulation cylindrical shell and high-pressure water pump, and reduces the volume of pressure accumulation cylindrical shell.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of air sac type accumulator, comprise pressure accumulation tube body, connect the inlet pipeline of high-pressure water pump and the rising pipe of connection testing apparatus and connect described pressure accumulation tube body respectively, the high pressure water excess flow protection device connects described pressure accumulation tube body, be provided with high-pressure gasbag in the described pressure accumulation tube body, described high-pressure gasbag connects gas cylinder by the aerating pipeline; Described high-pressure gasbag connects the high-pressure air excess flow protection device by pipeline.
Further:
Be provided with scaffold in the described pressure accumulation tube body, described high-pressure gasbag is arranged in the scaffold.
Be provided with ballast in the described scaffold, ballast is arranged on the below of described high-pressure gasbag.
Described high-pressure air excess flow protection device comprises high-pressure air relief valve, high-pressure air pressure-relief valve and high-pressure air pressure table.
Described high-pressure gasbag is made by rubber material.
Air sac type accumulator disclosed by the invention, the basic principle of utilizing gas volume and pressure to be inversely proportional to is carried out work.Add water at first for the pressure accumulation cylindrical shell, and simultaneously to the high-pressure gasbag gas injection, until the minimum pressure that reaches accumulator work; Close the suction valve of high-pressure gasbag, continue in the pressure accumulation cylindrical shell, to add high pressure water, will be subjected to the external pressure effect, shrink distortion, and form bigger water storage space at this process mesohigh air bag; Can carry out proper functioning when accumulator water injection reaches maximum pressure, this moment, the high pressure air utricule was in free state substantially.As seen, the air sac type accumulator can provide comparatively lasting, stable high-pressure water for the constitution water compression testing device, adopts the present invention can effectively fall high-pressure water pump and opens number of times, reduces the fluctuation pressure number of times of pressure accumulation cylindrical shell high frequency, prolongs the working life of equipment.
Technique effect of the present invention is:
A kind of air sac type accumulator disclosed by the invention, simple in structure, easy and safe to operate; In pressure accumulation tube body, high-pressure gasbag is set; thereby guarantee lasting, the stable supplying of high-pressure water; reduce pressure surge; prolong the working life of pressure accumulation tube body and high-pressure water pump; can effectively protect pressure experimental device; and can guarantee to reduce the volume of pressure accumulation tube body under the situation of water output.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the present invention includes pressure accumulation tube body 100, pressure accumulation tube body 100 is tightly connected by cover plate 4 and cylindrical shell 5 and constitutes, connect the inlet pipeline 10 of high-pressure water pump and the rising pipe 8 of connection testing apparatus and connect pressure accumulation tube body 100 respectively, be provided with inlet valve 1001 in the inlet pipeline 10, be provided with outlet valve 801 in the rising pipe 8, pressure accumulation tube body 100 is mainly used in and holds high pressure water body and high-pressure gasbag 6.High pressure water excess flow protection device 200 connects pressure accumulation tube body 100; high pressure water excess flow protection device 200 comprises high pressure water relief valve 1, high pressure water pressure-relief valve 2 and high pressure water pressure gauge 3; by high pressure water excess flow protection device 200 protection pressure accumulation tube bodies 100, avoid superpressure takes place and cause pressure accumulation tube body 100 to damage.Be provided with scaffold 7 in the pressure accumulation tube body 100, high-pressure gasbag 6 is installed in the scaffold 7, be provided with ballast 9 in the scaffold 7, ballast 9 is arranged on the below of high-pressure gasbag 6, and the weight of the weight of ballast 9 and scaffold 7 can not floated high-pressure gasbag 6 in pressure accumulation tube body 100.High-pressure gasbag 6 is made by rubber material; high-pressure gasbag 6 connects gas cylinder 11 by aerating pipeline 12; be provided with suction valve 1201 in the aerating pipeline 12; high-pressure gasbag 6 connects high-pressure air excess flow protection device 300 by pipeline; high-pressure air excess flow protection device 300 comprises high-pressure air relief valve 13, high-pressure air pressure-relief valve 14 and high-pressure air pressure table 15; high-pressure air excess flow protection device 300 is used to protect high-pressure gasbag 6, avoids superpressure takes place and causes high-pressure gasbag 6 to damage.High-pressure gasbag 6 is used to hold high-pressure air, high-pressure gasbag 6 need have certain bearing capacity, high-pressure gasbag 6 does not destroy when breaking down with assurance pressure accumulation tube body 100, gas cylinder 11 charges into high-pressure air for high-pressure gasbag 6, and the air-loss that takes place in the additional working procedure, guarantee that accumulator has enough water outputs and is used for test.
Concrete operation method of the present invention is as follows:
(1) closes outlet valve 801, high-pressure air pressure-relief valve 14, high pressure water pressure-relief valve 2, open inlet valve 1001 and suction valve 1201.
(2) starting high-pressure water pump is that pressure accumulation tube body 100 adds high pressure waters, open gas cylinder 11 simultaneously and add high-pressure airs at high-pressure gasbag 6, in this process, in the pressure accumulation tube body 100 in water pressure and the high-pressure gasbag 6 air pressure will increase synchronously.
(3) when air pressure reaches the minimum pressure of accumulator work in water pressure and the high-pressure gasbag 6 in the pressure accumulation tube body 100, close suction valve 1201, continue as in the pressure accumulation tube body 100 and add high pressure water, in the pressure accumulation tube body 100 in water pressure and the high-pressure gasbag 6 air pressure will continue to increase synchronously.
(4) when air pressure reaches the maximum pressure of accumulator work in water pressure and the high-pressure gasbag 6 in the pressure accumulation tube body 100, close high-pressure water pump and inlet valve 1001, open outlet valve 801, enter working state.
(5) accumulator provides in the process of high pressure water for the constitution water compression testing device, air pressure decline in water pressure and the high-pressure gasbag 6 in the pressure accumulation tube body 100, when pressure is reduced to the minimum pressure of accumulator work, close outlet valve 801, open high-pressure water pump inlet valve 1001 and continue to add water, enter working state in the repeating step (4) then.(minimum pressure of accumulator work need be higher than the maximum pressure of the structure hydrostatic test).
(6) in the cyclic process of repeatedly carrying out (3)～(5), seepage may take place in the high-pressure air in the high-pressure gasbag 6, can utilize gas cylinder 11 to carry out tonifying Qi when accumulator is in the minimum pressure of work, the tonifying Qi process need guarantee that high-pressure gasbag 6 air pressures are not higher than the water pressure in the pressure accumulation tube body 100.
(7) after the structure hydrostatic test is finished, close high-pressure water pump, inlet valve 1001, outlet valve 801, open 14 exhausts of high-pressure air pressure-relief valve.
(8) after air pressure is lower than the design pressure of high-pressure gasbag in water pressure and the high-pressure gasbag 6 in the pressure accumulation tube body 100, open 2 drainings of high pressure water pressure-relief valve, up to initial conditions.
Claims (5)
1. air sac type accumulator, comprise pressure accumulation tube body, connect the inlet pipeline of high-pressure water pump and the rising pipe of connection testing apparatus and connect described pressure accumulation tube body respectively, the high pressure water excess flow protection device connects described pressure accumulation tube body, it is characterized in that: be provided with high-pressure gasbag in the described pressure accumulation tube body, described high-pressure gasbag connects gas cylinder by the aerating pipeline; Described high-pressure gasbag connects the high-pressure air excess flow protection device by pipeline.
2. according to the described air sac type accumulator of claim 1, it is characterized in that: be provided with scaffold in the described pressure accumulation tube body, described high-pressure gasbag is arranged in the scaffold.
3. according to the described air sac type accumulator of claim 2, it is characterized in that: be provided with ballast in the described scaffold, ballast is arranged on the below of described high-pressure gasbag.
4. according to the described air sac type accumulator of claim 1, it is characterized in that: described high-pressure air excess flow protection device comprises high-pressure air relief valve, high-pressure air pressure-relief valve and high-pressure air pressure table.
5. according to the described air sac type accumulator of claim 1, it is characterized in that: described high-pressure gasbag is made by rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100869437A CN102230487A (en) | 2011-04-08 | 2011-04-08 | Air bag type pressure accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100869437A CN102230487A (en) | 2011-04-08 | 2011-04-08 | Air bag type pressure accumulator |
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| Publication Number | Publication Date |
|---|---|
| CN102230487A true CN102230487A (en) | 2011-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100869437A Pending CN102230487A (en) | 2011-04-08 | 2011-04-08 | Air bag type pressure accumulator |
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| CN (1) | CN102230487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270567A (en) * | 2015-11-12 | 2016-01-27 | 上海船舶研究设计院 | Pipeline layout structure for ship ballasting system |
| CN105675215A (en) * | 2016-01-04 | 2016-06-15 | 西安航天动力技术研究所 | Hydraulic air pressure test device |
| CN110243695A (en) * | 2019-07-12 | 2019-09-17 | 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） | It is a kind of for providing the pilot system of structure deformation of creep environment |
Citations (4)
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|---|---|---|---|---|
| DE4444350A1 (en) * | 1994-12-14 | 1996-06-20 | Daum Hans Juergen | Bladder, piston or membrane type pressure storage device mfr. |
| US5596772A (en) * | 1992-07-09 | 1997-01-28 | Hydac Technology Gmbh | Toilet flushing system with multi-diaphragm storage container having three fluid receiving chambers |
| WO2006040546A1 (en) * | 2004-10-12 | 2006-04-20 | Shafiq Uddin | Pressure vessel for liquid and a toilet receptacle |
| CN201401376Y (en) * | 2009-05-13 | 2010-02-10 | 王祖林 | Pressure-regulating safety energy accumulator |
-
2011
- 2011-04-08 CN CN2011100869437A patent/CN102230487A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596772A (en) * | 1992-07-09 | 1997-01-28 | Hydac Technology Gmbh | Toilet flushing system with multi-diaphragm storage container having three fluid receiving chambers |
| DE4444350A1 (en) * | 1994-12-14 | 1996-06-20 | Daum Hans Juergen | Bladder, piston or membrane type pressure storage device mfr. |
| WO2006040546A1 (en) * | 2004-10-12 | 2006-04-20 | Shafiq Uddin | Pressure vessel for liquid and a toilet receptacle |
| CN201401376Y (en) * | 2009-05-13 | 2010-02-10 | 王祖林 | Pressure-regulating safety energy accumulator |
Non-Patent Citations (2)
| Title |
|---|
| 邱开元: "气液蓄能器供油系统的辨认与调整", 《机械》, vol. 13, no. 1, 31 January 1986 (1986-01-31), pages 32 - 34 * |
| 隆彩云: "叉车动力制动系统中囊式蓄能器的选择", 《工程机械与维修》, 31 January 2011 (2011-01-31), pages 166 - 167 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270567A (en) * | 2015-11-12 | 2016-01-27 | 上海船舶研究设计院 | Pipeline layout structure for ship ballasting system |
| CN105675215A (en) * | 2016-01-04 | 2016-06-15 | 西安航天动力技术研究所 | Hydraulic air pressure test device |
| CN110243695A (en) * | 2019-07-12 | 2019-09-17 | 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） | It is a kind of for providing the pilot system of structure deformation of creep environment |
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Application publication date: 20111102 |