CN103438033B - Kinetic energy hydraulic recovery device - Google Patents
Kinetic energy hydraulic recovery device Download PDFInfo
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- CN103438033B CN103438033B CN201310320341.2A CN201310320341A CN103438033B CN 103438033 B CN103438033 B CN 103438033B CN 201310320341 A CN201310320341 A CN 201310320341A CN 103438033 B CN103438033 B CN 103438033B
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- kinetic energy
- rotatable parts
- recovery device
- piston rod
- way valve
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Abstract
The invention provides a kind of kinetic energy hydraulic recovery device, comprise oil hydraulic cylinder, hydraulic accumulator and rotatable parts, described rotatable parts are provided with wavy drive surface, one end of the piston rod of described oil hydraulic cylinder contacts with described wavy drive surface and coordinates, the oil outlet of described oil hydraulic cylinder is connected with the first one-way valve, and the oil outlet of described first one-way valve is communicated with described hydraulic accumulator.Adopt said apparatus, in braking process, the part kinetic energy of rotatable parts is stored in hydraulic accumulator with the form of pressure energy, the part kinetic energy of rotatable parts is reclaimed, reduces energy loss, the ability stored can be used again, therefore improves energy utilization rate.
Description
Technical field
The present invention relates to apparatus for energy recovery technical field, particularly relate to a kind of kinetic energy hydraulic recovery device.
Background technique
Need in aircraft landing process to be braked by aircraft brake system.Still have higher speed and larger kinetic energy during aircraft landing, braking kinetic energy major part to be distributed with the form of frictional heating by aircraft brake system and has been slatterned, and causes and occurs that the consumption of aircraft energy loss is large, the problem that aircraft energy utilization rate is low.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The invention provides a kind of kinetic energy hydraulic recovery device, in order to reduce energy loss, improve energy utilization rate.
The invention provides a kind of kinetic energy hydraulic recovery device, comprise oil hydraulic cylinder, hydraulic accumulator and rotatable parts, described rotatable parts are provided with wavy drive surface, one end of the piston rod of described oil hydraulic cylinder contacts with described wavy drive surface and coordinates, the oil outlet of described oil hydraulic cylinder is connected with the first one-way valve, and the oil outlet of described first one-way valve is communicated with described hydraulic accumulator.
Such scheme provided by the invention, the rotary motion of rotatable parts in braking process, by the wavy convex to-and-fro motion being converted to piston rod, to be pressed into hydraulic oil in hydraulic accumulator, make the kinetic transformation of rotatable parts be that the pressure energy of hydraulic oil is stored in hydraulic accumulator, this pressure energy can drive outside actuator to move according to actual service condition.Visible, adopt said apparatus, in braking process, the part kinetic energy of rotatable parts is stored in hydraulic accumulator with the form of pressure energy, the part kinetic energy of rotatable parts is reclaimed, reduce energy loss, the ability of storage can be used again, therefore improves energy utilization rate.
Accompanying drawing explanation
Below with reference to the accompanying drawings illustrate embodiments of the invention, above and other objects, features and advantages of the present invention can be understood more easily.Parts in accompanying drawing are just in order to illustrate principle of the present invention.In the accompanying drawings, same or similar technical characteristics or parts will adopt same or similar reference character to represent.
The structural representation of the kinetic energy hydraulic recovery device that Fig. 1 provides for the embodiment of the present invention;
The using state figure of the kinetic energy hydraulic recovery device that Fig. 2 provides for the embodiment of the present invention;
The stereogram of the rotatable parts of the kinetic energy hydraulic recovery device that Fig. 3 provides for the embodiment of the present invention.
Description of reference numerals:
Wavy drive portion-1; Rolling element-2; Spring-3;
Piston rod-4; Cylinder body-5; Second one-way valve-6;
First one-way valve-7; Hydraulic accumulator-8; Relief valve-9;
Actuator filler opening-10; Actuator oil outlet-11; Fuel tank-12;
High pressure filter-13; Rotatable parts-14.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.The element described in an accompanying drawing of the present invention or a kind of mode of execution and feature can combine with the element shown in one or more other accompanying drawing or mode of execution and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.
The structural representation of the kinetic energy hydraulic recovery device that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, kinetic energy hydraulic recovery device, comprise oil hydraulic cylinder, hydraulic accumulator 8 and rotatable parts 14, described rotatable parts 14 are provided with wavy drive portion 1, one end of the piston rod 4 of described oil hydraulic cylinder contacts with described wavy drive portion 1 and coordinates, the oil outlet of described oil hydraulic cylinder is connected with the first one-way valve 7, and the oil outlet of described first one-way valve 7 is communicated with described hydraulic accumulator 8.
Such scheme provided by the invention, the rotary motion of rotatable parts 14 in braking process, by the wavy convex to-and-fro motion being converted to piston rod 4, to be pressed into hydraulic oil in hydraulic accumulator 8, make the kinetic transformation of rotatable parts 14 be that the pressure energy of hydraulic oil is stored in hydraulic accumulator 8, this pressure energy can drive outside actuator to move according to actual service condition.Visible, adopt said apparatus, in braking process, the part kinetic energy of rotatable parts 14 is stored in hydraulic accumulator 8 with the form of pressure energy, the part kinetic energy of rotatable parts 14 is reclaimed, reduce energy loss, the ability stored can be used again, therefore improves energy utilization rate.
In actual use, see also shown in Fig. 2, Fig. 3, rotatable parts 14 can be the wheel hub of airplane wheel, and the side of wheel hub is provided with the wavy drive portion 1 of a circle.Certainly, according to actual needs, the wavy drive portion 1 of multiple concentric also can be set.The axis of wavy drive portion 1 and the axis coaxle of rotatable parts 14.
In aircraft landing process, due to inertia, aircraft slides on runway, and airplane wheel contacts with runway and rotates, and wavy drive portion 1 is synchronous axial system along with the rotation of airplane wheel.One end of the piston rod 4 of oil hydraulic cylinder contacts with wavy drive portion 1 and coordinates, and along with the rotation of wavy drive portion 1, piston rod 4 moves back and forth, to carry out oil suction and force feed action.
In order to reduce the friction between piston rod 4 end and wavy drive portion 1, the rolling element 2 that can freely rotate is provided with in piston rod 4 end, make to form rolling friction between stopper rod end and wavy drive portion 1, frictional force is little, heating value is little, heat loss is little, reduces wearing and tearing, improves working efficiency.
Wherein, oil hydraulic cylinder comprises cylinder body 5, piston rod 4 slides and is inserted in cylinder body 5, the bottom of cylinder body 5 is provided with filler opening and oil outlet, filler opening is communicated with fuel tank 12 via the second one-way valve 6, high pressure filter 13, also namely the filler opening of the second one-way valve 6 is communicated with fuel tank 12, and oil outlet is communicated with hydraulic accumulator 8 via the first one-way valve 7.
Clamp the spring 3 that piston rod 4 resets between piston rod 4 and cylinder body 5, wherein, it is outside that spring 3 is sleeved on piston rod 4, and piston rod 4 pairs of springs 3 have any limited support effect, prevent spring 3 be bent and have influence on the performance of elastic force.
The first pipeline and the second pipeline is also connected with at the oil outlet of the first one-way valve 7, relief valve 9 is connected with in first pipeline, each parts are damaged to prevent overpressure in oil circuit, second pipeline is for connecting outside actuator, actuator filler opening 10 is labeled as P, actuator oil outlet 11 is labeled as T, the energy stored in hydraulic accumulator 8 is as Emergency power source, outside actuator is driven to carry out corresponding action, the hydraulic energy source not needing aircraft to provide external, is particularly suitable for motorless emergent operating mode.
In airplane wheel rotation process, when the evagination place of wavy drive portion 1 contacts with piston rod 4, back pressure piston rod 4; first one-way valve 7 is opened, and the second one-way valve 6 is closed, under the protection of relief valve 9; hydraulic oil flows into outside actuator or hydraulic accumulator 8, completes process action.When in wavy drive portion 1, recess contacts with piston rod 4, it is overhanging that spring 3 promotes piston rod 4, and the first one-way valve 7 is closed, and the second one-way valve 6 is opened, and piston rod 4, by high pressure filter 13 oil suction from mailbox, completes backhaul action.
The kinetic energy hydraulic recovery device that the embodiment of the present invention provides can integrated installation on airplane wheel, volumetric spaces is little, and structure is simple.In braking process, achieve regeneration of energy, decrease aircraft fuel consumption, improve aircraft energy utilization rate.In addition, this kinetic energy hydraulic recovery device has shared a part of drag friction of friction plate, alleviates the heat load of break, decreases wearing and tearing, improves the reliability of aircraft braking system.
Last it is noted that above embodiment is only in order to illustrate technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (7)
1. a kinetic energy hydraulic recovery device, it is characterized in that, comprise oil hydraulic cylinder, hydraulic accumulator and rotatable parts, described rotatable parts are provided with wavy drive surface, one end of the piston rod of described oil hydraulic cylinder contacts with described wavy drive surface and coordinates, the oil outlet of described oil hydraulic cylinder is connected with the first one-way valve, the oil outlet of described first one-way valve is communicated with described hydraulic accumulator, described rotatable parts are provided with the described wavy drive surface of at least one circle, the axis of described wavy drive surface and the axis coaxle of described rotatable parts, the side of described rotatable parts is provided with the wavy drive portion of the axis outwardly convex along described rotatable parts, the face that described wavy drive portion deviates from the described side of described rotatable parts is described wavy drive surface.
2. kinetic energy hydraulic recovery device according to claim 1, is characterized in that, the oil outlet of described first one-way valve is connected with the first pipeline and the second pipeline, is connected with relief valve in described first pipeline, and described second pipeline is for connecting outside actuator.
3. kinetic energy hydraulic recovery device according to claim 1 and 2, is characterized in that, the filler opening of described oil hydraulic cylinder is connected with the second one-way valve, and the filler opening of described second one-way valve is communicated with fuel tank.
4. kinetic energy hydraulic recovery device according to claim 1 and 2, is characterized in that, described oil hydraulic cylinder comprises cylinder body, and sliding in described cylinder body is fitted with described piston rod, clamps the spring driving described piston rod to reset between described piston rod and described cylinder body.
5. kinetic energy hydraulic recovery device according to claim 4, is characterized in that, it is outside that described spring housing is contained in described piston rod.
6. kinetic energy hydraulic recovery device according to claim 1 and 2, is characterized in that, the end of described piston rod is rotatably connected to rolling element, and one end of described piston rod to be contacted with described wavy drive surface by described rolling element and coordinates.
7. kinetic energy hydraulic recovery device according to claim 1 and 2, is characterized in that, described rotatable parts are wheel hub, and described wavy drive surface is arranged on the side of described wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320341.2A CN103438033B (en) | 2013-05-17 | 2013-07-26 | Kinetic energy hydraulic recovery device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310185350 | 2013-05-17 | ||
| CN201310185350.5 | 2013-05-17 | ||
| CN201310320341.2A CN103438033B (en) | 2013-05-17 | 2013-07-26 | Kinetic energy hydraulic recovery device |
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| Publication Number | Publication Date |
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| CN103438033A CN103438033A (en) | 2013-12-11 |
| CN103438033B true CN103438033B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310320341.2A Active CN103438033B (en) | 2013-05-17 | 2013-07-26 | Kinetic energy hydraulic recovery device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1021933B1 (en) * | 2014-07-09 | 2016-01-27 | Cnh Industrial Belgium Nv | HYDRAULIC BRAKE WITH ENERGY RECOVERY FOR A FUEL UNIT IN A BALL PRESS FOR USE IN AGRICULTURE |
| CN108284947B (en) * | 2017-12-13 | 2021-11-02 | 中航(成都)无人机系统股份有限公司 | Aircraft braking system based on pressure accumulation energy storage |
| CN108412826B (en) * | 2018-04-26 | 2023-07-25 | 福建工程学院 | Double-pump parallel driving electro-hydrostatic actuator and control method thereof |
| CN108910020B (en) * | 2018-07-14 | 2019-11-22 | 神木特种飞行器工程研究院有限公司 | A kind of wheel system braked and raised speed for fixed-wing unmanned plane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2461121A (en) * | 1945-03-12 | 1949-02-08 | Jack J Smith | Fluid pump |
| EP0349067A1 (en) * | 1988-06-28 | 1990-01-03 | Applied Power Inc. | A hydraulic actuating unit, in particular for raising a load, such as a hospital bed |
| CN1113861A (en) * | 1994-06-02 | 1995-12-27 | 张铁忠 | Motor vehicle mechanical energy collection and conversion device |
| CN101042124A (en) * | 2006-03-21 | 2007-09-26 | 郑国军 | Rotary casing type radial piston pump |
| CN101265885A (en) * | 2007-03-15 | 2008-09-17 | 郑国军 | Gravitation energy automobile |
-
2013
- 2013-07-26 CN CN201310320341.2A patent/CN103438033B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2461121A (en) * | 1945-03-12 | 1949-02-08 | Jack J Smith | Fluid pump |
| EP0349067A1 (en) * | 1988-06-28 | 1990-01-03 | Applied Power Inc. | A hydraulic actuating unit, in particular for raising a load, such as a hospital bed |
| CN1113861A (en) * | 1994-06-02 | 1995-12-27 | 张铁忠 | Motor vehicle mechanical energy collection and conversion device |
| CN101042124A (en) * | 2006-03-21 | 2007-09-26 | 郑国军 | Rotary casing type radial piston pump |
| CN101265885A (en) * | 2007-03-15 | 2008-09-17 | 郑国军 | Gravitation energy automobile |
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| CN103438033A (en) | 2013-12-11 |
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Inventor after: Jiao Zongxia Inventor after: Liu Xiaochao Inventor after: Shang Yaoxing Inventor after: Huang Cheng Inventor after: Tang Hong Inventor before: Shang Yaoxing Inventor before: Huang Cheng Inventor before: Liu Xiaochao Inventor before: Yuan Hang Inventor before: Jiao Zongxia |
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