CN109945060A - Integrated form lubricating oil pressure regulating device - Google Patents

Integrated form lubricating oil pressure regulating device Download PDF

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Publication number
CN109945060A
CN109945060A CN201910198100.2A CN201910198100A CN109945060A CN 109945060 A CN109945060 A CN 109945060A CN 201910198100 A CN201910198100 A CN 201910198100A CN 109945060 A CN109945060 A CN 109945060A
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CN
China
Prior art keywords
valve
lubricating oil
spool
chamber
cavity
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CN201910198100.2A
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CN109945060B (en
Inventor
曹鹏
吴吉昌
郑鹏
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Hunan Aviation Powerplant Research Institute AECC
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Hunan Aviation Powerplant Research Institute AECC
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Abstract

The invention discloses a kind of integrated form lubricating oil pressure regulating devices, it include: installation shell, the installation end face for installing shell is equipped with installation cavity, valve chest is installed in installation cavity, the impulse chamber successively laid is formed between valve chest and installation cavity, booster pump drainage lumens, ejection cavity, safety valve outlet and bearing pressure chamber, lubricating oil fluid communication at impulse chamber and each nozzle, the lubricating oil fluid communication of booster pump drainage lumens and booster pump outlet, flow path or fuel tank between ejection cavity and fuel tank and booster pump are connected to, safety valve outlet is connected to fuel tank, bearing pressure chamber presses highest first bearing chamber to be connected to chamber.Spool and elastic component are installed in the valve chamber of valve chest, the First pressure chamber being connected to impulse chamber is formed between the first end of spool and the first end of valve chest, the second pressure chamber being connected to bearing pressure chamber is formed between the second end of spool and the second end of valve chest, for periphery wall indent in the middle part of spool to form counter balance pocket, spool is equipped with the runner of connection counter balance pocket and ejection cavity.

Description

Integrated form lubricating oil pressure regulating device
Technical field
The present invention relates to aero-engine fields, particularly, are related to a kind of integrated form lubricating oil pressure regulating device.
Background technique
For using higher-height aero-engine, it need to be usually pressurized on road in its lubricating system and a lubricating oil pressure is set Apparatus for adjusting force, lubricating oil pressure regulation model needed for engine operation for guaranteeing to be supplied to each nozzle of engine lubrication system In enclosing, when lubricating oil pressure is excessively high, it is provided with safety valve pressure release again, protects on engine into attachment, pipeline in safe work Make in pressure limit.Aero-engine is generally using the gear pump of positive discharge capacity, rotating plate pump, impeller pump isometric(al) pump, fuel delivery Change with flying height.In order to realize each flying height constant flow fuel feeding, in ground handling, Fuel Oil Remaining is filled by pressure regulation Bypass is set, in aloft work, with the decline of oil flow, bypass flow is reduced.Simultaneously using lubricating oil pressure regulating device It can also avoid in starting and docking process because the supply excessive lubricating oil of bearing bore leads to bearing bore lubrication leakage.When there is lubricating oil When the abnormal conditions such as pipeline blockage, lubricating oil pressure may increase extremely, and damage engine lubrication system into attachment, or even destroy Engine oil path.Therefore, setting safety valve is also needed on lubricating system pressurization road, reached there is lubricating oil pressure increase extremely When certain value, emptying is opened, protects engine lubrication system.
Currently, two valve need to be usually arranged in engine, one is the lubricating oil pressure adjusting dress for experiencing local atmospheric pressure It sets, one is the safety valve for experiencing oil pressure.Existing lubricating oil pressure regulating device is only to adjust back pressure with flight atmospheric pressure, hair Motivation charge oil pressure is the difference of lubricating oil pump discharge pressure and flight atmospheric pressure, cannot really reflect charge oil pressure, especially work as When bearing bore pressure is higher than certain value, cause charge oil pressure lower than bearing minimum charge oil pressure, bearing cannot be lubricated enough and be broken Damage.Moreover, it does not include safety valve, two valve need to be arranged in a system, and lubricating system weight is caused to increase.
Summary of the invention
The present invention provides a kind of integrated form lubricating oil pressure regulating devices, to solve in the prior art when bearing bore pressure is higher than It lubricate bearing cannot enough and damaged, regulator and safety valve are separately provided and lead to lubricating system weight The technical issues of increase.
The technical solution adopted by the invention is as follows:
A kind of integrated form lubricating oil pressure regulating device, which is characterized in that for being connected to the lubricating system of aero-engine In, lubricating oil pressure regulating device includes: the installation shell being connected for the shell with aero-engine, installs the installation end of shell Face is equipped with the installation cavity of indent, and the valve casing for laying along the length direction of installation cavity and be in hollow tube-shape is installed in installation cavity Body, between valve chest and installation cavity formed along installation cavity length direction successively lay impulse chamber, booster pump drainage lumens, injection Chamber, safety valve outlet and bearing pressure chamber, impulse chamber draw with the lubricating oil fluid communication at each nozzle in lubricating system, booster pump The lubricating oil fluid communication of booster pump outlet in chamber and lubricating system is flowed, in ejection cavity and lubricating system between fuel tank and booster pump Lubricating oil flow path or fuel tank connection, safety valve outlet be connected tos with fuel tank, and bearing pressure chamber and lubricating system lumen press highest the The connection of one bearing bore;The spool and elastic component successively laid along the axial direction of valve chamber are installed in the valve chamber of valve chest, elastic component The end of end contact spool is with to spool supply, along axial elasticity of compression power, the first end of spool is corresponding on valve chest Form the First pressure chamber that is connected to impulse chamber between first end, the second end that the second end and valve chest of spool are correspondingly arranged it Between form the second pressure chamber that is connected to bearing pressure chamber, the periphery wall indent in the middle part of spool is drawn with being formed with valve chamber with booster pump The counter balance pocket of chamber connection is flowed, spool is equipped with the runner of connection counter balance pocket and ejection cavity, and counter balance pocket is also used to slide in spool It is connected to booster pump drainage lumens with ejection cavity or connects booster pump drainage lumens with ejection cavity and safety valve outlet simultaneously Pass to pressure release.
Further, the end face of valve chest first end is equipped with the first port of connection impulse chamber and First pressure chamber;Valve The second port for being connected to booster pump drainage lumens with counter balance pocket is successively arranged on the periphery wall of shell along its length, is used In ejection cavity is connected to runner or by third connectivity mouth that ejection cavity is connected to counter balance pocket, be used to that safety valve to be exported and be balanced 4th port of chamber connection;The end face of valve chest second end is equipped with for bearing pressure chamber to be connected to second pressure chamber Five ports.
Further, the quantity of the 4th port is multiple, the circumferential direction of multiple four-way opening's edge valve chests successively arranged for interval; The axis direction of four-way opening's edge valve chest extends, and the diameter of the 4th port is gradually increased in the glide direction of spool.
Further, valve chest includes the valve outer cylinder for laying along the extending direction of installation cavity and be in hollow tube-shape, valve outer cylinder First end have limit end face and valve outer cylinder the second end opening, the open end of valve outer cylinder is threaded with adjustment gland;Limit Position end face is equipped with the first port, and adjustment gland is equipped with the 5th port;Spool and elastic component are successively filled along the axial direction of valve outer cylinder In the inner cavity of valve outer cylinder, and the end face of one end contact spool of elastic component, the other end of elastic component support adjustment gland.
Further, adjustment gland has the hollow tube-shape of contact end face in the other end open at one end;Adjustment gland is opened Mouth end adjusts towards spool and is machined with external screw thread on the periphery wall of gland, to connect with the internal screw thread screw thread on valve outer cylinder internal perisporium It connects;5th port is arranged on the contact end face of adjustment gland.
Further, lubricating oil pressure regulating device further includes end cover, and end cover includes being removable installed in peace It is used to block the valve cover of the opening of installation cavity on dress end face, and is connected on the inner sidewall of valve cover for limiting adjustment gland The dog link of rotation;Dog link is along the axially extending to protrude into elastic component after adjustment gland of valve outer cylinder.
Further, it adjusts and is machined on the contact end face of gland through contact end face and turns seam allowance in the limit of polygon; Dog link include be connected with the inner sidewall of valve cover and turn the polygon bar portion that seam allowance is equipped with limit, and with polygon bar portion Connected round bar portion;Polygon bar portion and round bar portion are arranged in elastic component, and the free end of round bar portion be used for Spool contact is limited with the sliding to spool.
Further, the length direction on the periphery wall of valve chest along valve chest is successively equipped at intervals with four peaces in a ring Fill flange, the internal perisporium of the external annulus contact installation cavity of each mounting flange;Close to first mounting flange of valve chest first end Cavity between installation cavity closed end forms impulse chamber, the cavity shape between first mounting flange and second mounting flange At booster pump drainage lumens, the cavity between second mounting flange and third mounting flange forms ejection cavity, third installation Cavity between flange and the 4th mounting flange forms safety valve outlet, the 4th mounting flange and installation cavity open end it Between cavity formed bearing pressure chamber.
Further, the outer diameter of the 4th mounting flange is greater than the outer diameter of third mounting flange;Third mounting flange Outer diameter be greater than second mounting flange outer diameter;The outer diameter of second mounting flange is greater than the outer diameter of first mounting flange.
Further, installation shell is the shell being separately provided;Or installation shell and engine shell it is integrated Setting.
The invention has the following advantages:
When using integrated form lubricating oil pressure regulating device of the invention, since bearing bore pressure obturages pressure, cunning with bearing bore Oil is related for the factors such as oil return capacity and densification device structure, is back pressure as adjustment when choosing most high pitched tune pressure value in each bearing bore Basic value, that is, when guaranteeing minimum fuel feeding pressure difference, the bearing bore that remaining chamber is forced down is since fuel feeding pressure difference is bigger, so can be effectively ensured The safety of each bearing avoids bearing damaged due to cannot lubricate enough;With highest bearing bore pressure be back pressure when, also avoid adopting When with atmospheric pressure being back pressure, when chamber pressure is higher than atmospheric pressure, bearing lubrication is insufficient;Since booster pump is to the pressurization energy of lubricating oil Power is reduced with the increase of flying height, when the pressurized lubricating oil of injection in ejection cavity is led to pressurization pump inlet, that is, introduces oil When in the lubricating oil flow path between case and booster pump, pressurized lubricating oil is easy to pump out through booster pump, that is, booster pump can be improved to cunning The boosting capability of oil, and then improve the altitude of booster pump;Integrated form lubricating oil pressure regulating device of the invention integrates pressure regulation dress It sets and safety valve, can not only reduce the weight of installation space needed for safety valve is separately provided and engine, weight is more single Solely setting regulator and safety valve reduce by 30%, based on 5000kw grades of turbo oar engine pre research, have pushed band The aircraft engine oil pressure-regulating device of safety valve manufactures and the research of method of adjustment, and integrated form lubricating oil of the invention Each components manufacture craft of pressure-regulating device is mature, can batch machining, production, and then producing cost is greatly reduced and is fabricated to This.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention. Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the integrated form lubricating oil pressure regulating device of the preferred embodiment of the present invention;
Fig. 2 is the structural schematic diagram that gland is adjusted in Fig. 1;
Fig. 3 is the Space Explosion structural schematic diagram of integrated form lubricating oil pressure regulating device in Fig. 1.
Marginal data
10, shell is installed;101, end face is installed;103, impulse chamber;104, booster pump drainage lumens;105, ejection cavity;106, Safety valve outlet;107, bearing pressure chamber;20, valve chest;202, second pressure chamber;203, counter balance pocket;205, the second port; 206, third connectivity mouth;207, the 4th port;208, the 5th port;209, limit turns seam allowance;21, mounting flange;22, valve outer cylinder;23, Adjust gland;30, booster pump;40, fuel tank;50, first bearing chamber;60, spool;601, runner;70, elastic component;80, sealed end Lid;81, valve cover;82, dog link;90, second bearing chamber.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims Implement with the multitude of different ways of covering.
Referring to Fig.1, the preferred embodiment of the present invention provides a kind of integrated form lubricating oil pressure regulating device, for being connected to In the lubricating system of aero-engine, lubricating oil pressure regulating device includes: the installation being connected for the shell with aero-engine Shell 10, the installation end face 101 of installation shell 10 are equipped with the installation cavity of indent, the length along installation cavity are installed in installation cavity The valve chest 20 of hollow tube-shape is laid and is in direction, and the length direction successively cloth along installation cavity is formed between valve chest 20 and installation cavity If impulse chamber 103, booster pump drainage lumens 104, ejection cavity 105, safety valve outlet 106 and bearing pressure chamber 107, impulse chamber 103 export with the lubricating oil fluid communication at each nozzle in lubricating system, booster pump drainage lumens 104 with booster pump 30 in lubricating system Lubricating oil fluid communication, lubricating oil flow path or fuel tank 40 in ejection cavity 105 and lubricating system between fuel tank 40 and booster pump 30 connect Logical, safety valve outlet 106 is connected to fuel tank 40, and bearing pressure chamber 107 and lubricating system lumen press highest first bearing chamber 50 connections.The spool 60 and elastic component 70 successively laid along the axial direction of valve chamber, elastic component 70 are installed in the valve chamber of valve chest 20 End contact spool 60 end with to the supply of spool 60 along axial elasticity of compression power, the first end and valve chest of spool 60 The First pressure chamber being connected to impulse chamber 103, the second end and valve chest 20 of spool 60 are formed on 20 between corresponding first end The second pressure chamber 202 being connected to bearing pressure chamber 107, the periphery wall at 60 middle part of spool are formed between the second end being correspondingly arranged For indent to form the counter balance pocket 203 being connected to booster pump drainage lumens 104 with valve chamber, spool 60 is equipped with connection 203 He of counter balance pocket The runner 601 of ejection cavity 105, counter balance pocket 203 are also used to make booster pump drainage lumens 104 and ejection cavity in 60 slipping of spool 105 connections are connected to booster pump drainage lumens 104 with pressure release with ejection cavity 105 and safety valve outlet 106 simultaneously.
When integrated form lubricating oil pressure adjustment device work of the invention, booster pump 30 is by being supplied to for oil extraction in fuel tank 40 One bearing bore 50, second bearing chamber 90 and other bearing bores, and impulse is chosen in each bearing bore most to booster pump drainage lumens 104 Its pressure is led to bearing pressure chamber 107 by the first bearing chamber 50 of high pitched tune pressure value, at charge oil pressure before bearing bore, that is, each nozzle Charge oil pressure lead to impulse chamber 103.By being supplied before the pressure of first bearing chamber 50 and the sum and bearing bore of 70 pressure of elastic component Oil pressure carries out matching pressure regulation, adjusts charge oil pressure, the pressure of first bearing chamber 50 and 70 pressure of elastic component and and bearing bore The pressure difference value of preceding charge oil pressure pushes spool 60 mobile, and when spool 60 is in state as shown in Figure 1, extra lubricating oil passes through Runner 601 on spool 60 enters ejection cavity 105 and carries out pressure release;Spool 60 is mobile to connect ejection cavity 105 directly with counter balance pocket 203 When logical, extra oil flow directly carries out pressure release through ejection cavity 105, can lead to fuel tank 40 by the lubricating oil of 105 pressure release of ejection cavity In lubricating oil flow path between booster pump 30, it can also be directed directly in fuel tank 40;If lubricating oil pressure is abnormal, ejection cavity is only leaned on 105 when being not enough to pressure release, and spool 60 is pushed to continue to move to for pressure so that counter balance pocket 203 is directly connected to safety valve outlet 106, And then reach pressure release to guarantee system safety.
When using integrated form lubricating oil pressure regulating device of the invention, since bearing bore pressure obturages pressure, cunning with bearing bore Oil is related for the factors such as oil return capacity and densification device structure, is back pressure as adjustment when choosing most high pitched tune pressure value in each bearing bore Basic value, that is, when guaranteeing minimum fuel feeding pressure difference, the bearing bore that remaining chamber is forced down is since fuel feeding pressure difference is bigger, so can be effectively ensured The safety of each bearing avoids bearing damaged due to cannot lubricate enough;With highest bearing bore pressure be back pressure when, also avoid adopting When with atmospheric pressure being back pressure, when chamber pressure is higher than atmospheric pressure, bearing lubrication is insufficient;Pressurization due to booster pump 30 to lubricating oil Ability is reduced with the increase of flying height, when the pressurized lubricating oil of injection in ejection cavity 105 is led to 30 import of booster pump, i.e., When being introduced into the lubricating oil flow path between fuel tank 40 and booster pump 30, pressurized lubricating oil is easy to pump out through booster pump 30, Ji Keti High pressure-charging pumps the boosting capability of 30 pairs of lubricating oil, and then improves the altitude of booster pump 30;Integrated form lubricating oil pressure tune of the invention Regulating device integrates regulator and safety valve, can not only reduce installation space and engine needed for safety valve is separately provided Weight, regulator and safety valve, which is relatively separately provided, in weight reduces by 30%, with 5000kw grades of turbo oar engine pre research For guide, the manufacture of aircraft engine oil pressure-regulating device and the research of method of adjustment with safety valve, and this have been pushed Each components manufacture craft of the integrated form lubricating oil pressure regulating device of invention is mature, can batch machining, production, and then be greatly reduced Producing cost and cost of manufacture.
Optionally, as shown in figures 1 and 3, the end face of 20 first end of valve chest is equipped with connection impulse chamber 103 and the first pressure First port of power chamber.Be successively arranged along its length on the periphery wall of valve chest 20 for by booster pump drainage lumens 104 with Counter balance pocket 203 be connected to the second port 205, for connecting by ejection cavity 105 with runner 601 or by ejection cavity 105 and counter balance pocket 203 Logical third connectivity mouth 206, the 4th ports 207 for safety valve outlet 106 to be connected to counter balance pocket 203.Valve chest 20 The end face at two ends is equipped with the 5th port 208 for bearing pressure chamber 107 to be connected to second pressure chamber 202.
Preferably, as shown in figure 3, the quantity of third connectivity mouth 206 be it is multiple, multiple third connectivity mouthes 206 are along valve chest 20 Circumferential successively interval setting, for enhancing the uniformity to lubricating oil injection.Preferably, as shown in figure 3, the number of the 4th port 207 Amount is multiple, circumferential direction successively arranged for interval of multiple 4th ports 207 along valve chest 20.Each 4th port 207 is along valve chest 20 Axis direction extend, and the diameter of each 4th port 207 is gradually increased in the glide direction of spool 60, guarantees lubricating oil pressure The continuity of adjustment, avoids lubricating oil from being mutated, and then improves the stability of system operation.
Optionally, as depicted in figs. 1 and 2, valve chest 20 includes laying and along the extending direction of installation cavity in hollow tube-shape Valve outer cylinder 22, the first end of valve outer cylinder 22 has the second end opening of limit end face and valve outer cylinder 22, the opening of valve outer cylinder 22 End is threaded with adjustment gland 23.It limits end face and is equipped with the first port, adjustment gland 23 is equipped with the 5th port 208.Valve Core 60 and elastic component 70 are successively installed in the inner cavity of valve outer cylinder 22 along the axial direction of valve outer cylinder 22, and one end contact of elastic component 70 The end face of spool 60, the other end of elastic component 70 support adjustment gland 23.In this optinal plan specific embodiment, elastic component 70 For spring.
Preferably, as depicted in figs. 1 and 2, adjustment gland 23 has the hollow of contact end face in the other end open at one end Shape.The open end of gland 23 is adjusted towards spool 60, the second end of spool 60 towards adjustment gland 23 is recessed mounting cylinder, bullet One end contact of spring in the mounting cylinder of spool 60, the other end contact of spring in the cylinder of adjustment gland 23, guarantee spring by It is only capable of axially retractable when forcing contracting, and cannot become in radial convex.Adjust gland 23 periphery wall on be machined with external screw thread, with Internal screw thread on 22 internal perisporium of valve outer cylinder is threadedly coupled, and is not only convenient for the installation of spring, while adjusting gland 23 by turn can The pre-compression force for being applied to spool 60 is adjusted, in addition, every circle adjustment of turn one can also be adjusted by replacing the spring of different-stiffness The adjustable pressure adjusted value of gland 23.As shown in Fig. 2, the 5th port 208 is arranged on the contact end face of adjustment gland 23.The The quantity of five ports 208 be it is multiple, circumferential direction of multiple 5th ports 208 along contact end face is successively spaced setting, for increasing cunning The logical area of oil stream and uniformity.
Optionally, as shown in Figure 1, lubricating oil pressure regulating device further includes end cover 80, end cover 80 includes removable It is set to the valve cover 81 for being used to block the opening of installation cavity on installation end face 101 with unloading, and is connected to the inside of valve cover 81 The dog link 82 rotated on wall for limiting adjustment gland 23.Dog link 82 is along the axially extending to pass through adjustment pressure of valve outer cylinder 22 It is protruded into after lid 23 in elastic component 70.Further, as shown in Fig. 2, being machined on the contact end face of adjustment gland 23 through contact End face and turn seam allowance 209 in the limit of polygon.In the specific embodiment of this optinal plan, limit turns seam allowance 209 by two squares Port be crossed to form.Dog link 82 include be connected with the inner sidewall of valve cover 81 and with limit turn seam allowance 209 be equipped with it is more Side shape bar portion, and the round bar portion being connected with polygon bar portion.Polygon bar portion and round bar portion are arranged in elastic component 70, And the free end of round bar portion with 60 contact of spool with the sliding to spool 60 for being limited.Polygon bar portion can be to bullet After spring pressure continuously adjusts, the limit of insertion adjustment gland 23 turns in seam allowance 209, is locked, is avoided immediately with exchanging seamless lid 23 Because vibration etc. causes to loosen during engine test.The free end of round bar portion is used for 60 contact of spool to spool 60 Sliding is limited, and prevents the excessively movement of spool 60 from leading to clamping stagnation.
Optionally, as shown in Figure 1, the length direction on the periphery wall of valve chest 20 along valve chest 20 is successively equipped at intervals with four A mounting flange 21 in a ring, the internal perisporium of the external annulus contact installation cavity of each mounting flange 21.Close to valve chest 20 first Cavity between first mounting flange 21 and installation cavity closed end at end forms impulse chamber 103, first mounting flange 21 with Cavity between second mounting flange 21 forms booster pump drainage lumens 104, and second mounting flange 21 is installed convex with third Cavity between edge 21 forms ejection cavity 105, and the cavity between third mounting flange 21 and the 4th mounting flange 21 is formed Safety valve outlet 106, the 4th cavity between mounting flange 21 and installation cavity open end form bearing pressure chamber 107.
Preferably, as shown in figures 1 and 3, the outer diameter of the 4th mounting flange 21 is greater than the outer of third mounting flange 21 Diameter.The outer diameter of third mounting flange 21 is greater than the outer diameter of second mounting flange 21.The outer diameter of second mounting flange 21 is big In the outer diameter of first mounting flange 21.Under the premise of guaranteeing to meet structural requirement, valve chest 20 uses this kind of structure type, Not only guarantee the seal isolation between adjacent chambers, and makes rational technology, and be easy to install and remove valve chest 20.Further Ground is equipped with the sealing ring for sealing gap between the two between the external annulus of each mounting flange 21 and the internal perisporium of installation cavity.
Preferably, installation shell 10 is the shell being separately provided, and is easily installed the production and processing of shell 10.Or mounting shell The integrated setting of shell of body 10 and engine, can be improved whole structural strength, and reduce the weight of engine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of integrated form lubricating oil pressure regulating device, which is characterized in that for being connected in the lubricating system of aero-engine, Lubricating oil pressure regulating device includes:
Installation shell (10) for being connected with the shell of the aero-engine, the installation end face of installation shell (10) (101) it is equipped with the installation cavity of indent, the length direction being installed in the installation cavity along the installation cavity is laid and in hollow The valve chest (20) of tubular forms the length direction successively cloth along the installation cavity between the valve chest (20) and the installation cavity If impulse chamber (103), booster pump drainage lumens (104), ejection cavity (105), safety valve outlet (106) and bearing pressure chamber (107), the impulse chamber (103) and the lubricating oil fluid communication at each nozzle in the lubricating system, the booster pump drainage lumens (104) the lubricating oil fluid communication exported with booster pump (30) in the lubricating system, the ejection cavity (105) and the lube system Lubricating oil flow path or the fuel tank (40) in system between fuel tank (40) and the booster pump (30) are connected to, the safety valve outlet (106) it is connected to the fuel tank (40), the bearing pressure chamber (107) and the lubricating system lumen press highest first bearing Chamber (50) connection;
The spool (60) and elastic component successively laid along the axial direction of the valve chamber are installed in the valve chamber of the valve chest (20) (70), the end of spool (60) described in the end contact of the elastic component (70) is with the pressure to the spool (60) supply along axial direction Contracting elastic force is formed and the impulse between the first end and corresponding first end on the valve chest (20) of the spool (60) The First pressure chamber of chamber (103) connection, the second end that second end and the valve chest (20) of the spool (60) are correspondingly arranged Between form the second pressure chamber (202) that is connected to the bearing pressure chamber (107), in the periphery wall in the middle part of the spool (60) The recessed counter balance pocket (203) to be connected to valve chamber formation with the booster pump drainage lumens (104), the spool (60) are equipped with It is connected to the runner (601) of the counter balance pocket (203) and the ejection cavity (105), the counter balance pocket (203) is also used in the valve Make the booster pump drainage lumens (104) that the booster pump is connected to or made with the ejection cavity (105) in core (60) slipping Drainage lumens (104) are connected to simultaneously with the ejection cavity (105) and safety valve outlet (106) with pressure release.
2. integrated form lubricating oil pressure regulating device according to claim 1, which is characterized in that
The end face of valve chest (20) first end, which is equipped with, is connected to the first of the impulse chamber (103) and the First pressure chamber Port;
Be successively arranged along its length on the periphery wall of the valve chest (20) for by the booster pump drainage lumens (104) with The second port (205) of the counter balance pocket (203) connection, for the ejection cavity (105) to be connected to the runner (601) or By third connectivity mouth (206) that the ejection cavity (105) is connected to the counter balance pocket (203), for the safety valve to be exported (106) the 4th port (207) being connected to the counter balance pocket (203);
The end face of valve chest (20) second end is equipped with for by the bearing pressure chamber (107) and the second pressure chamber (202) the 5th port (208) being connected to.
3. integrated form lubricating oil pressure regulating device according to claim 2, which is characterized in that
The quantity of 4th port (207) is multiple, circumferential direction of multiple 4th ports (207) along the valve chest (20) Successively arranged for interval;
4th port (207) extends along the axis direction of the valve chest (20), and the diameter of the 4th port (207) It is gradually increased in the glide direction of the spool (60).
4. integrated form lubricating oil pressure regulating device according to claim 2, which is characterized in that
The valve chest (20) includes the valve outer cylinder (22) for laying along the extending direction of the installation cavity and be in hollow tube-shape, described The first end of valve outer cylinder (22) has the second end opening of limit end face and the valve outer cylinder (22), and valve outer cylinder (22) are opened Mouth end is threaded with adjustment gland (23);
The limit end face is equipped with first port, and the adjustment gland (23) is equipped with the 5th port (208);
The spool (60) and the elastic component (70) are successively installed in the valve outer cylinder along the axial direction of the valve outer cylinder (22) (22) in inner cavity, and the end face of spool (60) described in one end contact of the elastic component (70), the elastic component (70) it is another Support the adjustment gland (23) in one end.
5. integrated form lubricating oil pressure regulating device according to claim 4, which is characterized in that
Adjustment gland (23) has the hollow tube-shape of contact end face in the other end open at one end;
The open end of adjustment gland (23) is machined with towards the spool (60) on the periphery wall of adjustment gland (23) External screw thread, to be threadedly coupled with the internal screw thread on valve outer cylinder (22) internal perisporium;
5th port (208) setting is on the contact end face of adjustment gland (23).
6. integrated form lubricating oil pressure regulating device according to claim 5, which is characterized in that
The lubricating oil pressure regulating device further includes end cover (80), and the end cover (80) includes being removable installed in It is used to block the valve cover (81) of the opening of the installation cavity on installation end face (101), and is connected to the valve cover (81) for limiting the dog link (82) of adjustment gland (23) rotation on inner sidewall;
The dog link (82) is along the axially extending described to protrude into after the adjustment gland (23) of the valve outer cylinder (22) In elastic component (70).
7. integrated form lubricating oil pressure regulating device according to claim 6, which is characterized in that
It is machined on the contact end face of adjustment gland (23) through the contact end face and turns seam allowance in the limit of polygon (209);
The dog link (82) includes being connected and turning seam allowance (209) cooperation with the limit to set with the inner sidewall of the valve cover (81) The polygon bar portion set, and the round bar portion being connected with the polygon bar portion;
The polygon bar portion and the round bar portion are arranged in the elastic component (70), and the freedom of the round bar portion End with the spool (60) contact with the sliding to the spool (60) for being limited.
8. integrated form lubricating oil pressure regulating device according to claim 1, which is characterized in that
Length direction on the periphery wall of the valve chest (20) along the valve chest (20) is successively equipped at intervals with four in a ring Mounting flange (21), the internal perisporium of installation cavity described in the external annulus contact of each mounting flange (21);
Between first mounting flange (21) and the installation cavity closed end of the valve chest (20) first end Cavity forms the impulse chamber (103), between first mounting flange (21) and second mounting flange (21) Cavity forms the booster pump drainage lumens (104), second mounting flange (21) and the third mounting flange (21) Between cavity formed the ejection cavity (105), the third mounting flange (21) and the 4th mounting flange (21) Between cavity form safety valve outlet (106), the 4th mounting flange (21) and the installation cavity open end Between cavity form the bearing pressure chamber (107).
9. integrated form lubricating oil pressure regulating device according to claim 8, which is characterized in that
The outer diameter of 4th mounting flange (21) is greater than the outer diameter of the third mounting flange (21);
The outer diameter of the third mounting flange (21) is greater than the outer diameter of second mounting flange (21);
The outer diameter of second mounting flange (21) is greater than the outer diameter of first mounting flange (21).
10. integrated form lubricating oil pressure regulating device according to claim 1, which is characterized in that
Installation shell (10) is the shell being separately provided;Or
The integrated setting of shell of installation shell (10) and the engine.
CN201910198100.2A 2019-03-15 2019-03-15 Integrated lubricating oil pressure regulating device Active CN109945060B (en)

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CN111895259A (en) * 2020-07-10 2020-11-06 中国航发湖南动力机械研究所 Integrated oil storage tank
CN111907113A (en) * 2020-06-19 2020-11-10 合肥职业技术学院 A lubricated maintenance device for rotary tablet press mould
CN112228223A (en) * 2020-10-14 2021-01-15 上海尚实能源科技有限公司 High-power gas turbine engine

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CN1699777A (en) * 2004-05-06 2005-11-23 伊顿公司 Integrated valve system
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CN111907113A (en) * 2020-06-19 2020-11-10 合肥职业技术学院 A lubricated maintenance device for rotary tablet press mould
CN111907113B (en) * 2020-06-19 2021-08-31 合肥职业技术学院 A lubricated maintenance device for rotary tablet press mould
CN111895259A (en) * 2020-07-10 2020-11-06 中国航发湖南动力机械研究所 Integrated oil storage tank
CN111895259B (en) * 2020-07-10 2021-11-12 中国航发湖南动力机械研究所 Integrated oil storage tank
CN112228223A (en) * 2020-10-14 2021-01-15 上海尚实能源科技有限公司 High-power gas turbine engine
CN112228223B (en) * 2020-10-14 2021-04-13 上海尚实能源科技有限公司 High-power gas turbine engine

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