CN206280322U - A kind of helicopter harpoon hydraulic system and the helicopter with it - Google Patents

A kind of helicopter harpoon hydraulic system and the helicopter with it Download PDF

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Publication number
CN206280322U
CN206280322U CN201621288331.0U CN201621288331U CN206280322U CN 206280322 U CN206280322 U CN 206280322U CN 201621288331 U CN201621288331 U CN 201621288331U CN 206280322 U CN206280322 U CN 206280322U
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China
Prior art keywords
valve
hydraulic
helicopter
harpoon
pressure
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CN201621288331.0U
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Inventor
张润泽
王辉
邹清华
周阳
谭伦
刘瑞杰
付建新
徐峰
杨忠
贺国洋
黄胜
陈国鹏
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China Helicopter Research and Development Institute
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China Helicopter Research and Development Institute
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Abstract

The utility model discloses a kind of helicopter harpoon hydraulic system and the helicopter with it.The helicopter harpoon is included with hydraulic system:Valve body;Decompression valve core, it is arranged in the valve body, and the decompression valve core includes pressure-reducing valve inlet and pressure-reducing valve liquid outlet, and the pressure-reducing valve inlet is connected with hydraulic power source, and the pressure-reducing valve liquid outlet is connected with first cavity and the second cavity respectively;Two-position three way magnetic valve valve element, it is arranged in the valve body, the two-position three way magnetic valve valve element includes the first electromagnetism valve port, the second electromagnetism valve port and the 3rd electromagnetism valve port, the oil communication that the first electromagnetism valve port is connected with the pressure-reducing valve liquid outlet and the first cavity;Second electromagnetism valve port is connected with oil return box;The 3rd electromagnetism valve port is connected with second cavity.Helicopter harpoon hydraulic system of the present utility model significantly reduces weight relative to prior art, improves the maintainability and hydraulic response speed of helicopter harpoon hydraulic system.

Description

A kind of helicopter harpoon hydraulic system and the helicopter with it
Technical field
The utility model is related to helicopter harpoon hydraulic system technical field, more particularly to a kind of helicopter harpoon liquid Pressure system and the helicopter with it.
Background technology
Certain type helicopter harpoon draw-in and draw-off function is to be responsible for providing hydraulic power source by auxiliary hydraulic system, when needing emergency extension fish During fork, emergency hydraulic system provides hydraulic power source for it.In order to ensure pressure and flow needed for fish fork device folding and unfolding, it is necessary to system Middle arrangement helicopter hydraulic pressure harpoon hydraulic system, the helicopter hydraulic pressure harpoon of prior art connects complicated with hydraulic system, accounts for Larger with installing space, product maintenance is difficult.
Thus, it is desirable to have a kind of technical scheme come overcome or at least mitigate prior art at least one drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of helicopter harpoon to be overcome with hydraulic system or at least mitigated existing Technology at least one of drawbacks described above.
To achieve the above object, the utility model provides helicopter harpoon hydraulic system, and the helicopter harpoon includes Harpoon chamber, the harpoon chamber includes the first cavity and the second cavity, and piston rod, the piston are provided with first cavity Bar stress can be moved, so that change the volume of the first cavity and second cavity, the helicopter harpoon hydraulic system Including:Valve body;Decompression valve core, the decompression valve core is arranged in the valve body, and the decompression valve core includes pressure-reducing valve Inlet and pressure-reducing valve liquid outlet, the pressure-reducing valve inlet are connected with hydraulic power source, the pressure-reducing valve liquid outlet respectively with institute State the first cavity and the connection of the second cavity;Two-position three way magnetic valve valve element, the two-position three way magnetic valve valve element is arranged on institute State in valve body, the two-position three way magnetic valve valve element includes the first electromagnetism valve port, the second electromagnetism valve port and the 3rd electromagnetism valve port, The oil communication that the first electromagnetism valve port is connected with the pressure-reducing valve liquid outlet and the first cavity;The second electromagnetism valve port with Oil return box is connected;The 3rd electromagnetism valve port is connected with second cavity.
Preferably, the helicopter harpoon hydraulic system further includes valve core of the electromagnetic valve, the valve core of the electromagnetic valve bag Hydraulic oil oil inlet and hydraulic oil oil-out are included, the hydraulic oil oil inlet is connected to the pressure-reducing valve liquid outlet with described On the oil circuit of one cavity connection;The hydraulic oil oil-out is connected to what the 3rd electromagnetism valve port was connected with second cavity On oil circuit.
Preferably, the helicopter harpoon hydraulic system further includes accumulator, and the accumulator is arranged on described On the oil circuit that pressure-reducing valve inlet is connected with hydraulic power source.
Preferably, the helicopter harpoon hydraulic system further includes pressure-detecting device, the pressure detecting dress Put and be arranged on the oil circuit that the pressure-reducing valve inlet is connected with hydraulic power source.
Preferably, the helicopter harpoon hydraulic system further includes inner elements of check valve, and the inner elements of check valve sets Put between the pressure-reducing valve inlet and hydraulic power source, the inner elements of check valve is used to prevent hydraulic oil from flowing backward to the hydraulic pressure Source.
Preferably, the helicopter harpoon hydraulic system further includes the first oil filter, and the first oil filter is arranged on In the oil circuit that 3rd electromagnetism valve port is connected with second cavity.
Preferably, the helicopter harpoon hydraulic system further includes the second inner elements of check valve, and described second is unidirectional Valve core is arranged in the oil circuit that the liquid outlet of the accumulator is connected with pressure-reducing valve inlet, prevents the medium in oil circuit from subtracting certainly Flowed to accumulator direction in pressure valve inlet direction.
Preferably, helicopter harpoon hydraulic system further includes temperature detector, and the temperature detector is arranged on In the oil circuit that the 3rd electromagnetism valve port is connected with second cavity, for detecting the 3rd electromagnetism valve port and second cavity Temperature in the oil circuit of connection.
Present invention also provides a kind of helicopter, the helicopter includes helicopter harpoon and is connected with helicopter harpoon Harpoon control system, wherein, the harpoon control system include helicopter harpoon hydraulic system as described above.
Helicopter harpoon hydraulic system of the present utility model significantly reduces weight relative to prior art, saves sky Between, and improve the maintainability and hydraulic response speed of helicopter harpoon hydraulic system.
Brief description of the drawings
Fig. 1 is the hydraulic schematic of the helicopter harpoon hydraulic system according to the utility model first embodiment.
Reference:
1 Decompression valve core 4 Accumulator
2 Two-position three way magnetic valve valve element 5 Pressure-detecting device
3 Valve core of the electromagnetic valve 6 Inner elements of check valve
Specific embodiment
For the purpose, technical scheme and advantage for implementing the utility model are clearer, below in conjunction with the utility model Accompanying drawing in embodiment, is further described in more detail to the technical scheme in the utility model embodiment.In the accompanying drawings, ad initio Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality It is a part of embodiment of the utility model to apply example, rather than whole embodiments.Below with reference to the embodiment of Description of Drawings It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are based on accompanying drawing institute The orientation or position relationship for showing, are for only for ease of description the utility model and simplify description, signified rather than indicating or implying Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality The limitation of novel protected scope.
Helicopter harpoon includes harpoon chamber, and harpoon chamber includes the first cavity and the second cavity, is provided with the first cavity Piston rod, piston rod stress can be moved, so as to change the volume of the first cavity and second cavity.
Fig. 1 is the hydraulic schematic of the helicopter harpoon hydraulic system according to the utility model first embodiment.
Helicopter harpoon as shown in Figure 1 hydraulic system includes valve body, decompression valve core 1 and two-position three way magnetic valve Valve element 2, decompression valve core 1 is arranged in valve body, and decompression valve core 1 includes pressure-reducing valve inlet and pressure-reducing valve liquid outlet, subtracts Pressure valve inlet is connected with hydraulic power source, and pressure-reducing valve liquid outlet is connected with the first cavity and the second cavity respectively;Two-position three way electricity Magnet valve valve element 2 is arranged in valve body, and two-position three way magnetic valve valve element 2 includes the first electromagnetism valve port, the second electromagnetism valve port and the Three electromagnetism valve ports, the oil communication that the first electromagnetism valve port is connected with pressure-reducing valve liquid outlet and the first cavity;Second electromagnetism valve port with Oil return box is connected;3rd electromagnetism valve port is connected with the second cavity.
Helicopter harpoon hydraulic system of the present utility model significantly reduces weight relative to prior art, saves sky Between, and improve the maintainability and hydraulic response speed of helicopter harpoon hydraulic system.
Referring to Fig. 1, in the present embodiment, helicopter harpoon hydraulic system further includes valve core of the electromagnetic valve 3, magnetic valve Valve element 3 includes hydraulic oil oil inlet and hydraulic oil oil-out, and hydraulic oil oil inlet is connected to pressure-reducing valve liquid outlet and the first chamber On the oil circuit of body connection;Hydraulic oil oil-out is connected on the oil circuit that the 3rd electromagnetism valve port is connected with the second cavity.
Referring to Fig. 1, in the present embodiment, helicopter harpoon hydraulic system further includes accumulator 4, and accumulator 4 sets Put on the oil circuit being connected with hydraulic power source in pressure-reducing valve inlet.Increase the accumulator, ensure that whole helicopter harpoon liquid The stability of pressure system.
Referring to Fig. 1, in the present embodiment, helicopter harpoon hydraulic system further includes pressure-detecting device 5, pressure Detection means 5 is arranged on the oil circuit that pressure-reducing valve inlet is connected with hydraulic power source.Using this structure, being capable of real-time monitoring hydraulic pressure The pressure provided at source.
Referring to Fig. 1, in the present embodiment, helicopter harpoon hydraulic system further includes inner elements of check valve 6, check valve Valve element 6 is arranged between pressure-reducing valve inlet and hydraulic power source, and inner elements of check valve 6 is used to prevent hydraulic oil from flowing backward to hydraulic power source.
In the present embodiment, helicopter harpoon hydraulic system further includes the first oil filter (not shown), first Oil filter is arranged in the oil circuit that the 3rd electromagnetism valve port is connected with the second cavity.
In an alternative embodiment, helicopter harpoon hydraulic system further includes the second inner elements of check valve, second Inner elements of check valve is arranged in the oil circuit that the liquid outlet of accumulator is connected with pressure-reducing valve inlet, prevents the medium in oil circuit from subtracting certainly Flowed to accumulator direction in pressure valve inlet direction.Using this structure, medium refluence is prevented from.
In the present embodiment, helicopter harpoon hydraulic system further includes temperature detector (not shown), temperature Degree detector is arranged in the oil circuit that the 3rd electromagnetism valve port is connected with the second cavity, for detecting the 3rd electromagnetism valve port and the second chamber Temperature in the oil circuit of body connection.
Present invention also provides a kind of helicopter, the helicopter includes helicopter harpoon and is connected with helicopter harpoon Harpoon control system, wherein, the harpoon control system includes the helicopter harpoon hydraulic pressure system as described in the upper any one of power System.
It is last it is to be noted that:Above example is only used to illustrate the technical solution of the utility model, rather than it is limited System.Although being described in detail to the utility model with reference to the foregoing embodiments, one of ordinary skill in the art should manage Solution:It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered Row equivalent;And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment of the utility model The spirit and scope of technical scheme.

Claims (9)

1. a kind of helicopter harpoon hydraulic system, the helicopter harpoon includes harpoon chamber, and the harpoon chamber includes the first chamber Body and the second cavity, are provided with piston rod in first cavity, the piston rod stress can be moved, so as to change first The volume of cavity and second cavity, it is characterised in that the helicopter harpoon is included with hydraulic system:
Valve body;
Decompression valve core (1), in the valve body, decompression valve core (1) includes decompression to decompression valve core (1) Valve inlet and pressure-reducing valve liquid outlet, the pressure-reducing valve inlet are connected with hydraulic power source, the pressure-reducing valve liquid outlet respectively with First cavity and the second cavity are connected;
Two-position three way magnetic valve valve element (2), the two-position three way magnetic valve valve element (2) in the valve body, described two Three-way magnetic valve valve element (2) includes the first electromagnetism valve port, the second electromagnetism valve port and the 3rd electromagnetism valve port, first magnetic valve The oil communication that mouth is connected with the pressure-reducing valve liquid outlet and the first cavity;The second electromagnetism valve port is connected with oil return box;Institute The 3rd electromagnetism valve port is stated to be connected with second cavity.
2. helicopter harpoon hydraulic system as claimed in claim 1, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes valve core of the electromagnetic valve (3), and the valve core of the electromagnetic valve (3) includes hydraulic oil oil inlet and hydraulic oil oil-out, The hydraulic oil oil inlet is connected on the oil circuit that the pressure-reducing valve liquid outlet is connected with first cavity;The hydraulic oil goes out Hydraulic fluid port is connected on the oil circuit that the 3rd electromagnetism valve port is connected with second cavity.
3. helicopter harpoon hydraulic system as claimed in claim 2, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes accumulator (4), and the accumulator (4) is arranged on the oil circuit that the pressure-reducing valve inlet is connected with hydraulic power source On.
4. helicopter harpoon hydraulic system as claimed in claim 3, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes pressure-detecting device (5), and the pressure-detecting device (5) is arranged on the pressure-reducing valve inlet and hydraulic power source On the oil circuit of connection.
5. helicopter harpoon hydraulic system as claimed in claim 4, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes inner elements of check valve (6), the inner elements of check valve (6) be arranged on the pressure-reducing valve inlet and hydraulic power source it Between, the inner elements of check valve (6) is for preventing hydraulic oil from flowing backward to the hydraulic power source.
6. helicopter harpoon hydraulic system as claimed in claim 5, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes the first oil filter, and the first oil filter is arranged on the oil circuit that the 3rd electromagnetism valve port is connected with second cavity In.
7. helicopter harpoon hydraulic system as claimed in claim 6, it is characterised in that the helicopter harpoon hydraulic pressure system System further includes the second inner elements of check valve, and second inner elements of check valve is arranged on the liquid outlet and pressure-reducing valve of the accumulator In the oil circuit of inlet connection, prevent the medium in oil circuit from being flowed to accumulator direction from pressure-reducing valve inlet direction.
8. helicopter harpoon hydraulic system as claimed in claim 7, it is characterised in that helicopter harpoon is entered with hydraulic system One step includes temperature detector, and the temperature detector is arranged on the oil that the 3rd electromagnetism valve port is connected with second cavity Lu Zhong, for detecting the temperature in the oil circuit that the 3rd electromagnetism valve port is connected with second cavity.
9. a kind of helicopter, it is characterised in that the helicopter includes helicopter harpoon and the fish being connected with helicopter harpoon Fork control system, wherein, the harpoon control system includes helicopter harpoon as claimed in any of claims 1 to 8 in one of claims Use hydraulic system.
CN201621288331.0U 2016-11-29 2016-11-29 A kind of helicopter harpoon hydraulic system and the helicopter with it Active CN206280322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621288331.0U CN206280322U (en) 2016-11-29 2016-11-29 A kind of helicopter harpoon hydraulic system and the helicopter with it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621288331.0U CN206280322U (en) 2016-11-29 2016-11-29 A kind of helicopter harpoon hydraulic system and the helicopter with it

Publications (1)

Publication Number Publication Date
CN206280322U true CN206280322U (en) 2017-06-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916131A (en) * 2018-06-28 2018-11-30 中国直升机设计研究所 A kind of folding accumulator system
CN109540485A (en) * 2018-11-12 2019-03-29 中国直升机设计研究所 A kind of helicopter ground harpoon control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916131A (en) * 2018-06-28 2018-11-30 中国直升机设计研究所 A kind of folding accumulator system
CN108916131B (en) * 2018-06-28 2020-06-09 中国直升机设计研究所 Folding accumulator system
CN109540485A (en) * 2018-11-12 2019-03-29 中国直升机设计研究所 A kind of helicopter ground harpoon control system

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