CN115898859B - Oil distributing cover of hydraulic plunger pump, hydraulic plunger pump and power supply method - Google Patents
Oil distributing cover of hydraulic plunger pump, hydraulic plunger pump and power supply method Download PDFInfo
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- CN115898859B CN115898859B CN202211407463.0A CN202211407463A CN115898859B CN 115898859 B CN115898859 B CN 115898859B CN 202211407463 A CN202211407463 A CN 202211407463A CN 115898859 B CN115898859 B CN 115898859B
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- plunger pump
- generator
- oil inlet
- oil
- inlet flow
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 102
- 230000002093 peripheral effect Effects 0.000 claims description 19
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Abstract
The invention relates to a hydraulic plunger pump oil distributing cover, a hydraulic plunger pump and a power supply method thereof. Oil distributing cover of hydraulic plunger pump includes: the oil distributing cover body is provided with an oil inlet flow passage and a mounting groove communicated with the oil inlet flow passage; the generator assembly is arranged in the mounting groove and comprises a generator and an impeller arranged on a rotating shaft of the generator, and the impeller is at least partially positioned in the oil inlet flow passage; the rectification circuit board is arranged in the mounting groove and is electrically connected with the mounting groove and used for rectifying alternating current generated by the generator into direct current; the groove cover is arranged at the notch of the installation groove and is provided with a power supply socket electrically connected with the rectifying circuit board. The invention does not need to introduce and arrange power supply circuits of various sensors from the outside, and is beneficial to the light weight, integration and miniaturization development of the current engine-driven aviation hydraulic plunger pump.
Description
Technical Field
The invention relates to the technical field of aviation hydraulic pumps, in particular to a hydraulic plunger pump oil distributing cover, a hydraulic plunger pump and a power supply method.
Background
Aviation hydraulic ram pumps typically include engine-driven aviation hydraulic ram pumps and motor-driven aviation hydraulic ram pumps. Engine-driven aviation hydraulic ram pumps are typically mounted on a transmission case of an aircraft nacelle for extraction of engine power into high-pressure hydraulic energy of a hydraulic system.
Conventional engine-driven aviation hydraulic ram pumps are typically not equipped with various types of fault detection sensors. In recent years, studies have been gradually started on state detection and fault diagnosis for engine-driven aviation hydraulic plunger pumps, and various types of sensors including vibration sensors, temperature and pressure sensors have been arranged.
However, these sensors are used for various types of sensors by introducing and arranging a power supply line from the outside to obtain power. This is unfavorable for the current engine drive aviation hydraulic plunger pump lightweight, integrates, miniaturized development.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides an oil distributing cover of a hydraulic plunger pump, the hydraulic plunger pump and a power supply method.
The invention provides an oil distributing cover of a hydraulic plunger pump, which comprises: the oil distribution cover body is provided with an oil inlet flow passage and a mounting groove communicated with the oil inlet flow passage; the generator assembly is arranged in the mounting groove and comprises a generator and an impeller arranged on a rotating shaft of the generator, and the impeller is at least partially positioned in the oil inlet flow passage; the rectification circuit board is arranged in the mounting groove and is electrically connected with the generator and used for rectifying alternating current generated by the generator into direct current; the groove cover is arranged at the notch of the mounting groove and is provided with a power supply socket electrically connected with the rectifying circuit board.
In some embodiments, a mounting opening is formed in the peripheral wall of the oil inlet runner, and the mounting opening is communicated with the mounting groove;
and one part of the impeller extends into the oil inlet flow passage through the mounting opening.
In some embodiments, the mounting groove is formed protruding from a part of the peripheral wall of the oil inlet runner, and the mounting opening is located in the mounting groove.
In some embodiments, the oil inlet flow passage has an inlet end and an outlet end, wherein the mounting port is proximate the outlet end.
In some embodiments, the generator assembly further comprises a bearing seat and a bearing arranged in the bearing seat, and the rotating shaft of the generator is connected with the bearing in a win-win fit manner.
In some embodiments, the generator, the bearing seat and the rectifying circuit board are respectively fixed on the outer peripheral wall of the oil inlet flow channel through fasteners, wherein the opening of the mounting groove faces the outer peripheral wall of the oil inlet flow channel.
In some embodiments, a sealing element is disposed between the slot cover and the slot opening of the mounting slot.
In some embodiments, the power supply socket is fixed to the surface of the slot cover by adhesion or screws.
The invention also provides a hydraulic plunger pump, comprising: a pump body integrated with one or more sensors; the oil distributing cover of the hydraulic plunger pump is connected to the pump main body, and the power supply socket is electrically connected with the sensor.
The invention also provides a power supply method, which is characterized by being applied to the hydraulic plunger pump, and comprises the following steps: the hydraulic oil flowing through the oil inlet flow passage generates acting force on the impeller so as to drive the impeller to rotate; the impeller rotates to enable the generator to generate alternating current; and rectifying the alternating current generated by the generator into direct current through the rectifying circuit board, and outputting the rectified direct current to a power supply socket on the slot cover to supply power for the sensor.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
according to the invention, the generator component and the rectifying circuit board are integrated on the oil distributing cover of the hydraulic plunger pump, so that kinetic energy of hydraulic oil flowing in the oil inlet flow channel is skillfully utilized to be converted into required electric energy, various sensors integrated with the hydraulic plunger pump are supplied with power, and power supply circuits of the various sensors are not required to be introduced and arranged from the outside, thereby being beneficial to the light weight, integration and miniaturization development of the existing engine-driven aviation hydraulic plunger pump.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
fig. 1 is a schematic view showing the overall structure of an oil distributing cover of a hydraulic plunger pump according to an exemplary embodiment of the present invention;
FIG. 2 is an exploded schematic view of a hydraulic ram pump oil distribution cap according to an exemplary embodiment of the invention;
FIG. 3 is a flowchart of a power supply method according to an exemplary embodiment of the present invention;
it should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the present invention provides an oil distributing cover of a hydraulic plunger pump, comprising: the oil distributing cover comprises an oil distributing cover body 1, a generator component, a rectifying circuit board 15 and a groove cover 8.
The oil distributing cover body 1 is formed with an oil inlet flow passage 19 and a mounting groove 18 communicating with the oil inlet flow passage 19. The oil distributing cover body 1 is provided with an oil inlet and an oil outlet, the oil inlet flow passage 19 is communicated with the oil inlet of the oil distributing cover body 1, hydraulic oil enters the oil inlet flow passage 19 from the oil inlet of the oil distributing cover body 1, and is discharged from the oil outlet of the oil inlet flow passage 19 after acting through a plunger in the hydraulic plunger pump.
The generator assembly is arranged in the mounting groove 18, and comprises a generator 12 and an impeller 2 arranged on a rotating shaft 16 of the generator 12, wherein the impeller 2 is at least partially positioned in an oil inlet flow passage 19. The hydraulic oil flowing through the oil inlet flow passage 19 generates an acting force on the impeller 2, and the impeller 2 rotates to cause the generator 12 to generate alternating current, thereby converting hydraulic energy into electric energy. In one example, the impeller 2 may be partially located in the oil inlet flow passage 19, and hydraulic oil flowing through the oil inlet flow passage 19 may exert a force on a portion of the impeller 2. In another example, the impeller 2 may be entirely located in the oil inlet flow passage 19, and the hydraulic oil flowing through the oil inlet flow passage 19 generates a force on the entire impeller 2.
The rectifying circuit board 15 is disposed in the mounting groove 18 and electrically connected to the generator 12, for rectifying the ac power generated by the generator 12 into dc power. The rectifying circuit board 15 may be electrically connected to the generator 12 via an ac power supply line 14.
The groove cover 8 is covered at the notch of the mounting groove 18, the groove cover 8 is provided with a power supply socket 7 electrically connected with the rectifying circuit board 15, and rectified direct current is conveyed to the power supply socket 7 to supply power to various sensors integrated with the hydraulic plunger pump. The slot cover 8 covers the slot opening of the mounting slot 18, and forms a closed accommodating space with the mounting slot 18 for accommodating the generator assembly and the rectifying circuit board 15. The supply socket 7 can be connected to the rectifying circuit board 15 via a dc supply line 9.
According to the invention, the generator component and the rectifying circuit board are integrated on the oil distributing cover of the hydraulic plunger pump, so that kinetic energy of hydraulic oil flowing in the oil inlet flow channel 19 is skillfully utilized to be converted into required electric energy, various sensors integrated with the hydraulic plunger pump are powered, and power supply circuits of various sensors are not required to be introduced and arranged from the outside, thereby being beneficial to the light weight, integration and miniaturization development of the existing engine-driven aviation hydraulic plunger pump.
In some embodiments, the peripheral wall of the oil inlet flow passage 19 is provided with a mounting opening 17, and the oil inlet flow passage 19 is communicated with the mounting groove 18 through the mounting opening 17; a part of the impeller 2 extends into the oil inlet flow passage 19 through the mounting port 17. The oil inlet flow passage 19 may have a certain extension length, for example, a cylindrical shape, and a through mounting opening 17 is formed in a peripheral wall of the oil inlet flow passage 19, wherein a part of the impeller 2 extends into the oil inlet flow passage 19 through the mounting opening 17, and another part is located in the mounting groove 18, so that the obstruction to the oil inlet of the oil inlet flow passage 19 is reduced as much as possible.
In some embodiments, the oil inlet flow passage 19 has an inlet end and an outlet end, the inlet end communicating with the oil inlet of the oil distribution cap, wherein the mounting opening 17 is proximate to the outlet end, i.e., distal to the oil inlet of the oil distribution cap. The mounting port 17 is close to the outlet end, so that the higher the acting force efficiency of the hydraulic oil flowing in the oil inlet flow passage 19 on the impeller 2 is, the oil inlet obstruction of the oil inlet flow passage 19 is reduced as much as possible, and meanwhile the required generated energy can be ensured, namely, the improvement of the efficiency of converting hydraulic kinetic energy into electric energy is facilitated.
Further alternatively, a mounting groove 18 is formed protruding from a part of the peripheral wall of the oil inlet passage 19, and the mounting port 17 is located in the mounting groove 18. The part of the outer peripheral wall of the mounting groove 18, which is fed with oil from the flow passage 19, and the groove cover 8 together constitute an accommodating space for accommodating the generator assembly and the rectifying circuit board 15. The mounting groove 18 is formed by protruding from part of the peripheral wall of the oil inlet flow passage 19 and is close to the oil inlet flow passage 19, so that the engine-driven aviation hydraulic plunger pump is light and small. Further alternatively, the opening of the mounting opening 17 may be sized to fit the impeller 2. Thus hardly affecting the flow rate of the hydraulic oil in the oil feed passage 19.
In some embodiments, the impeller 2, the generator 12 and the rectifying circuit board 15 are sequentially arranged along the extending direction of the oil inlet flow channel 19, so that space occupation is reduced as much as possible, and the impeller 2, the generator 12 and the rectifying circuit board 15 are highly integrated in the oil distributing cover body 1.
In some embodiments, the generator assembly further comprises a bearing seat 5 and a bearing 4 arranged in the bearing seat 5, and the rotating shaft 16 of the generator 12 is in fit connection with the bearing 4. The bearing 4 is win-win assembled on the rotating shaft 16 of the generator 12, and plays a supporting role on the rotating shaft of the generator through the bearing seat 5.
In some embodiments, the generator 12, the bearing seat 5 and the rectifying circuit board 15 are respectively fixed on the peripheral wall of the oil inlet flow channel 19 through fasteners, wherein the opening of the mounting groove 18 faces the peripheral wall of the oil inlet flow channel 19, so that a part of the peripheral wall of the oil inlet flow channel 19 is exposed to the opening, thus facilitating the installation and subsequent disassembly and maintenance of the generator 12, the bearing seat 5 and the rectifying circuit board 15.
Specifically, the generator 12 may be fixed to the outer peripheral wall of the oil intake runner 19 by a generator mounting screw 11. The bearing housing 5 may be fixed to the outer peripheral wall of the oil inlet flow passage 19 by a bearing housing mounting screw 3. The rectifying circuit board 15 may be fixed to the outer peripheral wall of the oil inlet flow passage 19 by means of rectifying circuit board mounting screws 13.
In some embodiments, a sealing element 10 is provided between the slot cover 8 and the slot opening of the mounting slot 18, and during operation of the hydraulic ram pump, the mounting slot 18 is filled with hydraulic oil, which is sealed from leakage by the slot cover 88 and the sealing element 10. For example, an annular seal groove may be provided on the outer edge of the inner surface of the groove cover 8 for accommodating the annular seal element 10. The slot cover 8 may be secured to the top open edge of the mounting slot 18 by, for example, four slot cover mounting screws 6.
In some embodiments, the power supply socket 7 may be fixed to the outer surface of the slot cover 8 by means of a paste or a screw.
The invention also provides a hydraulic plunger pump, which can be an engine-driven aviation hydraulic plunger pump with a power generation function. Specifically, the hydraulic plunger pump includes: the pump body, which incorporates one or more sensors, may be, for example, various types of fault detection sensors. And the hydraulic plunger pump oil distribution cover according to any one of the above embodiments, the hydraulic plunger pump oil distribution cover is connected to the pump body, wherein the one or more sensors are electrically connected to the power supply socket 7.
When the sensor is used, hydraulic oil flowing in the oil inlet flow passage 19 generates acting force on the impeller 2, the impeller 2 rotates to enable the generator 12 to generate alternating current, and the rectification circuit board 15 rectifies the alternating current generated by the generator into direct current and outputs the direct current to the power supply socket 7, so that power is supplied to various sensors.
According to the invention, the generator component and the rectifying circuit board are integrated on the oil distributing cover of the hydraulic plunger pump, so that kinetic energy of hydraulic oil flowing in the oil inlet flow channel 19 is skillfully utilized to be converted into required electric energy, various sensors integrated with the hydraulic plunger pump are powered, and power supply circuits of various sensors are not required to be introduced and arranged from the outside, thereby being beneficial to the light weight, integration and miniaturization development of the existing engine-driven aviation hydraulic plunger pump.
As shown in fig. 3, the present invention further provides a power supply method applied to the hydraulic plunger pump as described above, the method comprising: step S11, step S12, and step S13.
In step S11, hydraulic oil flowing through the oil inlet channel 19 generates an acting force on the impeller 2 to drive the impeller 2 to rotate;
in step S12, the generator 12 is caused to generate alternating current by the rotation of the impeller 2; thereby converting kinetic energy of the hydraulic oil flowing in the oil feed passage 19 into electric energy.
In step S13, the ac generated by the generator is rectified to dc by the rectifying circuit board 15, and the rectified dc is output to the power supply socket 7 on the tank cover, so as to supply power to various sensors integrated with the hydraulic plunger pump.
According to the power supply method, kinetic energy of hydraulic oil flowing in the oil inlet flow passage 19 is skillfully utilized to be converted into required electric energy, power is supplied to various sensors integrated with the hydraulic plunger pump, and power supply lines of the various sensors are not required to be introduced and arranged from the outside, so that the light weight, integration and miniaturization development of the existing engine-driven aviation hydraulic plunger pump are facilitated.
It is further understood that the term "plurality" in this disclosure means two or more, and other adjectives are similar thereto. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It is further understood that the terms "first," "second," and the like are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the expressions "first", "second", etc. may be used entirely interchangeably. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.
It will be further understood that although operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. In certain circumstances, multitasking and parallel processing may be advantageous.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the scope of the appended claims.
Claims (9)
1. The utility model provides a hydraulic plunger pump divides oily lid which characterized in that includes:
the oil distribution cover body is provided with an oil inlet flow passage and a mounting groove communicated with the oil inlet flow passage;
the generator assembly is arranged in the mounting groove and comprises a generator and an impeller arranged on a rotating shaft of the generator, and the impeller is at least partially positioned in the oil inlet flow passage;
the rectification circuit board is arranged in the mounting groove and is electrically connected with the generator and used for rectifying alternating current generated by the generator into direct current;
the groove cover is arranged at the notch of the mounting groove and is provided with a power supply socket electrically connected with the rectifying circuit board;
the peripheral wall of the oil inlet flow passage is provided with a mounting opening, and the oil inlet flow passage is communicated with the mounting groove through the mounting opening;
and a part of the impeller penetrates through the mounting opening and stretches into the oil inlet flow passage, and the impeller, the generator and the rectifying circuit board are sequentially arranged along the extending direction of the oil inlet flow passage.
2. The oil distributing cover of hydraulic plunger pump according to claim 1, wherein,
the mounting groove is formed by protruding from the part of the peripheral wall of the oil inlet flow passage, and the mounting opening is positioned in the mounting groove.
3. The oil distributing cover of hydraulic plunger pump according to claim 2, wherein,
the oil inlet runner has an inlet end and an outlet end, wherein the mounting port is proximate the outlet end.
4. The oil distributing cover of hydraulic plunger pump according to claim 1, wherein,
the generator assembly further comprises a bearing seat and a bearing arranged in the bearing seat, and the rotating shaft of the generator is in interference fit with the bearing.
5. The oil distributing cover of hydraulic plunger pump according to claim 4, wherein,
the generator, the bearing seat and the rectifying circuit board are respectively fixed on the outer peripheral wall of the oil inlet flow channel through fasteners, wherein the opening of the mounting groove faces the outer peripheral wall of the oil inlet flow channel.
6. The oil distributing cover of hydraulic plunger pump according to claim 1, wherein,
a sealing element is arranged between the slot cover and the slot opening of the mounting slot.
7. The oil distributing cover of hydraulic plunger pump according to claim 1, wherein,
the power supply socket is fixed on the surface of the groove cover through adhesion or screws.
8. A hydraulic plunger pump, comprising:
a pump body integrated with one or more sensors;
the hydraulic ram pump oil distribution cap according to any one of claims 1 to 7, which is connected to the pump body, the power supply socket being electrically connected to the sensor.
9. A power supply method applied to the hydraulic plunger pump according to claim 8, the method comprising:
the hydraulic oil flowing through the oil inlet flow passage generates acting force on the impeller so as to drive the impeller to rotate;
the impeller rotates to enable the generator to generate alternating current;
and rectifying the alternating current generated by the generator into direct current through the rectifying circuit board, and outputting the rectified direct current to a power supply socket on the slot cover to supply power for the sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211407463.0A CN115898859B (en) | 2022-11-10 | 2022-11-10 | Oil distributing cover of hydraulic plunger pump, hydraulic plunger pump and power supply method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211407463.0A CN115898859B (en) | 2022-11-10 | 2022-11-10 | Oil distributing cover of hydraulic plunger pump, hydraulic plunger pump and power supply method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115898859A CN115898859A (en) | 2023-04-04 |
| CN115898859B true CN115898859B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211407463.0A Active CN115898859B (en) | 2022-11-10 | 2022-11-10 | Oil distributing cover of hydraulic plunger pump, hydraulic plunger pump and power supply method |
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| CN (1) | CN115898859B (en) |
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| GB2099510A (en) * | 1981-05-26 | 1982-12-08 | Lucas Ind Plc | Auxiliary power system for use with a gas turbine engine |
| JPH11125174A (en) * | 1997-10-21 | 1999-05-11 | Kensho Iwamoto | Vibration type hydraulic pump making use of vibration energy of automobile |
| DE102010029921A1 (en) * | 2010-06-10 | 2011-12-15 | Bayerische Motoren Werke Aktiengesellschaft | Fan for installing e.g. between two front seats in inner space of motor car, has arcuate or annular outlet comprising circulating slot through which arcuate or annular primary airflow emerges from outlet and drags surrounding air |
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| CN203488357U (en) * | 2013-09-10 | 2014-03-19 | 南京金城液压工程有限公司 | Titanium alloy hydraulic plunger pump or motor |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN115898859A (en) | 2023-04-04 |
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