CN202266526U - Double parallel connection pressurizing oil tank for space flight servo mechanism - Google Patents
Double parallel connection pressurizing oil tank for space flight servo mechanism Download PDFInfo
- Publication number
- CN202266526U CN202266526U CN2011204040029U CN201120404002U CN202266526U CN 202266526 U CN202266526 U CN 202266526U CN 2011204040029 U CN2011204040029 U CN 2011204040029U CN 201120404002 U CN201120404002 U CN 201120404002U CN 202266526 U CN202266526 U CN 202266526U
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- piston
- space flight
- fuel tank
- servomechanism
- oil tank
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Abstract
The utility model discloses a double parallel connection pressurizing oil tank for a space flight servo mechanism, which comprises a casing, a piston, an oil tank end cover and a spring. The casing is a fixed base, the oil tank end cover is fixed on the casing to form a hydraulic oil cavity, the spring is installed on the piston, a piston ring arranged at one end of the piston moves in the casing, and a piston rod arranged at the other end of the piston moves in the oil tank end cover. The double parallel connection pressurizing oil tank for the space flight servo mechanism has simple structure and small size and weight. Boost pressure can be adjusted according to requirements. An X-shaped seal ring is adopted for sealing, thereby having good seal performance.
Description
Technical field
The utility model is used for the closed oil tank structure of space flight servomechanism, particularly a kind of space flight servomechanism two-in-parallel pressurized fuel tank.
Background technique
The employed fuel tank of space flight thrust vectoring servomechanism requires for enclosed construction hydraulic oil and other fluid working mediums to be provided normally under the placement condition in any direction, and sealing requirements is high, can not occur leaking.Because model space flight servomechanism output power is big, in the working procedure temperature rise heating serious, need provide more hydraulic oil to reduce temperature rise; And model cabin section spatial volume is narrow and small, and weight is strict, and the hydraulic oil container capacity is received strict restriction; The employed Oiltank structure of type product was oversize in the past, was difficult to satisfy the usage requirement of little space, big volume, and this contradiction exists all the time.
The model utility content
The purpose of the utility model is to provide under a kind of placement condition in any direction can both normally provide hydraulic oil and other fluid working mediums, and makes system's tank pressure keep stable space flight servomechanism two-in-parallel pressurized fuel tank.
The technical solution that realizes the utility model purpose is: a kind of space flight servomechanism two-in-parallel pressurized fuel tank; Comprise housing, piston, end cap of gasoline tank and spring; Housing is a fixed pedestal, and end cap of gasoline tank is fixed on and forms hydraulic fluid chamber on the housing, and spring is contained on the piston; The piston ring of this piston one end moves in housing, and the piston rod of the other end moves in end cap of gasoline tank.
The utility model compared with prior art, its remarkable advantage: (1) fuel tank is formed simple in structure, and volume weight is little.(2) boost pressure can be regulated as required.(3) adopt the sealing of X-shaped seal ring, good airproof performance.(4) adopt two fuel tank parallel-connection structure forms on the layout, reduce the shared structure space dimension and weight of fuel tank to greatest extent, satisfy the designing requirement in system's oil storage volume and movable space, and improve the system works reliability through parallel redundancy.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is the plan view of the utility model space flight servomechanism two-in-parallel pressurized fuel tank.
Fig. 2 is the right elevation of Fig. 1.
Embodiment
In conjunction with Fig. 1 and Fig. 2; The utility model space flight servomechanism two-in-parallel pressurized fuel tank; Realize the preparatory supercharging of fuel tank through on the fuel tank piston, adopting helical spring structure; Thereby guarantee that in any direction the position all can be to the hydraulic system fuel feeding, and the preparatory boost pressure of fuel tank can be regulated through the decrement of spring; For realizing sealing function, adopt the X-shaped seal ring between piston and the fuel tank shell, avoid leaking.Comprise housing 1, piston 2, end cap of gasoline tank 3 and spring 4; Housing 1 is a fixed pedestal, and end cap of gasoline tank 3 is fixed on the housing 1 and forms hydraulic fluid chamber, and spring 4 is contained on the piston 2; The piston ring of these piston 2 one ends moves in housing 1, and the piston rod of the other end moves in end cap of gasoline tank 3.Wherein, piston 2 is more than one, is preferably two.The number of end cap of gasoline tank 3 is consistent with piston 2 numbers.Hydraulic oil volume in the temperature rise process produce to expand, thereby extrusion piston produces motion, and it is big or small to control the pressure of fuel tank through spring force and tank pressure balance in the movement process, makes that the servomechanism tank pressure keeps slow steady growth in the temperature rise process.
Between the piston ring of the piston 2 of the utility model space flight servomechanism two-in-parallel pressurized fuel tank and housing 1 inwall X-shaped seal ring 5 is set, in the groove that this X-shaped seal ring 5 embeds on the piston ring.End cap of gasoline tank 3 is fixed on the housing 1 through screw 6.All there is axially locating at the two ends of piston 2.Carry out spacing step when in fuel tank shell 1, being provided with to piston 2 and end cap of gasoline tank 3 reversing motions.
When hydraulic fluid pressure raises on the piston that pressure is used in 2, make spring 4 compressions, when spring remains on a certain compression position, then the hydraulic fluid pressure in the fuel tank keeps certain, thereby realizes preparatory supercharging.The decrement of spring can be regulated through the end cap of gasoline tank 3 and the position of piston 2; Each end cap of gasoline tank 3 is fixed spring 4 and piston 2 through 4 screws simultaneously; Guarantee after the fuel-tank pressurization that in any direction the position all can be to the hydraulic system fuel feeding, and the preparatory boost pressure of fuel tank can be regulated through the decrement of spring.
For realizing sealing function, adopt the X-shaped seal ring between piston and the fuel tank shell, avoid leaking.For guaranteeing sealing and stable working property, all there is axially locating at piston 2 two ends of fuel tank; One step must be set in fuel tank shell 1 prevent that piston 2 and end cap of gasoline tank 3 reversing motions from causing breaking away from.
When temperature in the servomechanism hydraulic work system process raises; Hydraulic oil produces and expands, and extrusion piston 2 moves right with spring 4, under the supporting effect of spring 4 and end cap of gasoline tank 3; Piston 2 increases with temperature rising hydraulic oil expanding volume; Steadily move right, thereby make that the expansion of hydraulic oil is controlled, keep system pressure stable.The function of 2 fuel tanks is separate, when a fuel-tank pressurization disabler, does not influence the service behaviour of system, guarantees system's reliably working.
For realizing that any direction can both normal fuel injection, need to adopt the supercharging scheme carry out preparatory supercharging to the hydraulic oil in the fuel tank, help the oil pump oil suction after the mailbox supercharging; Improve the starting characteristic of oil pump; Improve the volumetric efficiency of oil pump, prevent to produce cavitation phenomenon, improve oil pump life; Pass through pressurized fuel tank pressure simultaneously a little more than external pressure, help sealing, avoid leaking.In Oiltank structure, the removable space of piston is the movable volume of fuel tank, and being used in the course of the work, hydraulic oil intensification volume produces the needed activity space in back that expands.
After adopting this Oiltank structure, Oiltank structure is from reducing to about 0.5kg more than the 3kg in the past, and spatial volume has reduced 2/3, has greatly reduced the structure space and the weight of model servomechanism, satisfies usage requirement; Through processing and debuging checking, this kind structural manufacturing process is simple and practical, and through model servomechanism development test, fuel-tank pressurization and sealing function satisfy technical requirements, have guaranteed the servomechanism functional reliability.
Claims (6)
1. space flight servomechanism two-in-parallel pressurized fuel tank; It is characterized in that comprising housing [1], piston [2], end cap of gasoline tank [3] and spring [4]; Housing [1] is a fixed pedestal, and end cap of gasoline tank [3] is fixed on housing [1] and goes up the formation hydraulic fluid chamber, and spring [4] is contained on the piston [2]; The piston ring of these piston [2] one ends moves in housing [1], and the piston rod of the other end moves in end cap of gasoline tank [3].
2. space flight servomechanism two-in-parallel pressurized fuel tank according to claim 1 is characterized in that piston [2] is more than one, and the number of end cap of gasoline tank [3] is consistent with piston [2] number.
3. space flight servomechanism two-in-parallel pressurized fuel tank according to claim 1 and 2 is characterized in that between piston ring and housing [1] inwall of piston [2] X-shaped seal ring [5] being set, and this X-shaped seal ring [5] embeds in the groove on piston ring.
4. space flight servomechanism two-in-parallel pressurized fuel tank according to claim 1 is characterized in that end cap of gasoline tank [3] is fixed on the housing [1] through screw [6].
5. space flight servomechanism two-in-parallel pressurized fuel tank according to claim 1 is characterized in that all there is axially locating at the two ends of piston [2].
6. space flight servomechanism two-in-parallel pressurized fuel tank according to claim 1 carries out spacing step when it is characterized in that in fuel tank shell [1], being provided with to piston [2] and end cap of gasoline tank [3] reversing motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204040029U CN202266526U (en) | 2011-10-21 | 2011-10-21 | Double parallel connection pressurizing oil tank for space flight servo mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204040029U CN202266526U (en) | 2011-10-21 | 2011-10-21 | Double parallel connection pressurizing oil tank for space flight servo mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202266526U true CN202266526U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204040029U Expired - Lifetime CN202266526U (en) | 2011-10-21 | 2011-10-21 | Double parallel connection pressurizing oil tank for space flight servo mechanism |
Country Status (1)
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| CN (1) | CN202266526U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775397A (en) * | 2014-01-20 | 2014-05-07 | 南通国盛机电集团有限公司 | Rotary-type air reservoir |
| CN105650040A (en) * | 2014-11-27 | 2016-06-08 | 无锡市海骏液压机电设备有限公司 | Booster-type oil tank |
| CN105697431A (en) * | 2014-11-27 | 2016-06-22 | 无锡市海骏液压机电设备有限公司 | Supercharged oil tank with supercharging sleeve |
| CN108612498A (en) * | 2018-04-23 | 2018-10-02 | 中国海洋石油集团有限公司 | Dual spring balances cartridge module |
| CN108757597A (en) * | 2018-08-06 | 2018-11-06 | 山东大学 | A kind of pressure-stabilizing supercharging tank mounting |
| CN109540497A (en) * | 2019-01-21 | 2019-03-29 | 湖南联诚轨道装备有限公司 | Reciprocating movement sealing part Detecting data and reciprocating movement sealing detection method |
| CN111232230A (en) * | 2020-02-05 | 2020-06-05 | 新昌县欧赛机械有限公司 | Oil tank anti-fluctuation device of aircraft |
-
2011
- 2011-10-21 CN CN2011204040029U patent/CN202266526U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775397A (en) * | 2014-01-20 | 2014-05-07 | 南通国盛机电集团有限公司 | Rotary-type air reservoir |
| CN103775397B (en) * | 2014-01-20 | 2016-03-02 | 南通国盛机电集团有限公司 | A kind of rotary air reservoir |
| CN105650040A (en) * | 2014-11-27 | 2016-06-08 | 无锡市海骏液压机电设备有限公司 | Booster-type oil tank |
| CN105697431A (en) * | 2014-11-27 | 2016-06-22 | 无锡市海骏液压机电设备有限公司 | Supercharged oil tank with supercharging sleeve |
| CN108612498A (en) * | 2018-04-23 | 2018-10-02 | 中国海洋石油集团有限公司 | Dual spring balances cartridge module |
| CN108757597A (en) * | 2018-08-06 | 2018-11-06 | 山东大学 | A kind of pressure-stabilizing supercharging tank mounting |
| CN108757597B (en) * | 2018-08-06 | 2023-10-03 | 山东大学 | Pressure stabilizing and pressurizing oil tank device |
| CN109540497A (en) * | 2019-01-21 | 2019-03-29 | 湖南联诚轨道装备有限公司 | Reciprocating movement sealing part Detecting data and reciprocating movement sealing detection method |
| CN111232230A (en) * | 2020-02-05 | 2020-06-05 | 新昌县欧赛机械有限公司 | Oil tank anti-fluctuation device of aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |
|
| CX01 | Expiry of patent term |