CN104976278B - Hydraulic type torque compensating device - Google Patents
Hydraulic type torque compensating device Download PDFInfo
- Publication number
- CN104976278B CN104976278B CN201510148802.1A CN201510148802A CN104976278B CN 104976278 B CN104976278 B CN 104976278B CN 201510148802 A CN201510148802 A CN 201510148802A CN 104976278 B CN104976278 B CN 104976278B
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- piston
- operating bar
- type torque
- pressurized strut
- fluid pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention belongs to a vibration-isolation mounting technology of equipment in aviation and aerospace fields, and particularly relates to a hydraulic system device which resists an engine from generating oversized torsion deformation and balances engine torsion load. A hydraulic type torque compensating device comprises an oil reservoir, a metal spring arranged in the oil reservoir, a piston connected with the metal spring, a throttle valve and an overflow valve which are integrated in the oil reservoir, a short guide tube and a long guide tube which are connected with the oil reservoir, a left side actuator cylinder which is connected with the other end of the short guide tube, a right side actuator cylinder which is connected with the long guide tube, a first actuator rod which is arranged in the left side actuator cylinder, and a second actuator rod which is arranged in the right side actuator cylinder. Compared with a mechanical type torque compensating device, the device disclosed by the invention has the characteristic of being light in weight, large in damping, gentle in rigidity adjustment and the like; meanwhile, the hydraulic system damping has the beneficial effects of having certain inhibitory effect on torsion vibration, and being capable of improving the whole engine vibration-isolation system to resist torsion impact load.
Description
Technical field
The invention belongs to the vibration isolation mounting technique of Aeronautics and Astronautics field devices is and in particular to a kind of resist engine
Produce excessive torsional deflection, the hydraulic system of balanced engine torsional load.
Background technology
Aircraft engine in the course of the work due to it is driven/stops or the reason such as rotor locking it may happen that sidewinder and
Produce larger circumferentially displaced, this displacement make to produce between engine and motor mounts certain deviate, this device can be protected
Shield isolation mounting does not destroy because torsional load produces excessive deformation.This device, compared with mechanical torque compensation device, has
The features such as lightweight, damping is big, stiffness tuning is gentle；Hydraulic system damping simultaneously has certain suppression effect to twisting vibration
Really.The use of flow rate adjustment device, improves the beneficial effect that whole engine vibration isolation system resists torsional pulse load.
Content of the invention
The object of the invention: provide one kind to have balanced engine torsional load, suppression engine and installation system and excessively turn round
Change the fluid pressure type torque compensator of shape.
Technical scheme:
A kind of fluid pressure type torque compensator, including oil conservator, is arranged on metal spring and metal elastic within oil conservator
Piston that spring connects, be integrated in the tubulature that the choke valve within oil conservator is connected with oil conservator with overflow valve and long duct,
Be connected with the tubulature other end left side pressurized strut be connected with long duct right side pressurized strut, be arranged on left side pressurized strut in
First operating bar in portion, be arranged on right side pressurized strut within the second operating bar.
For the shoe cream room of drum type brake cavity body structure inside described oil conservator, shoe cream room is internally provided with metal spring and work
Fill in, by piston, hydraulic seal existed in shoe cream room, metal spring is fitted in shoe cream room bottom by piston opposite side；Described section
Stream valve and overflow valve are to be arranged in parallel.
Described tubulature, long duct are the l type metal winding pipe that elbow carries 30 degree of roundings, and conduit cross section is
Circular.
The pressurized strut of described left side, right side pressurized strut are the column type cavity body structure that side wall is provided with mounting seat, mounting seat
Bottom is provided with bolt hole, for the fixation of two pressurized struts.
It is respectively arranged with the first operating bar and the second operating bar, the first operating bar, inside described column type cavity body structure
Wherein one end of two operating bars is ears joint, and the other end of the first operating bar connects first piston, the second operating bar another
One end connects second piston.
First piston, second piston are in sealing contact with left side pressurized strut, right side pressurized strut respectively, when the first operating bar,
When two operating bar barrels slide up and down, pass through first piston respectively, hydraulic oil is pressed in conduit second piston.
Ball pivot is all used by spherical hinge structure and two two ends in ears joint one end of first operating bar and the second operating bar
The connecting rod of structure is connected, and is connected in engine mounting seat by connecting rod other end articulated joint.
The present invention has the advantage that
1st, when aircraft engine starts or stops, the device such as screw and fan will produce larger torque load, this
If torque load is unconstrained or balances, it will lead to engine structure to produce larger torsional deflection, thus leading to install
There is tear failure in vibration isolator between engine and motor mounts, for preventing the destruction of vibration isolator, engine with
Fluid pressure type torque compensator is set between motor mounts, and the high torque load transmission producing when screw or fan is extremely
During engine load-carrying construction, the torque compensator being attached thereto can increase structure torsional rigidity, suppresses excessive deformation.
2., in the present invention, using the hydraulic actuator of a pair of antisymmetry arrangement, it is allowed to mutual by oil circuit to load in the same direction
Offset, reversed load can be superimposed by oil circuit, only increase the torsional rigidity of installation system, and it is firm not affect other directions
Degree, both can compensate to torque load, and not produce the load restraint of up and down motion.
3rd, in the present invention, it is used for adjusting hydraulic system flow velocity using overflow valve and choke valve, it is to avoid the torque load of mutation
Percussion is produced to system, has ensured running stability and the reliability of system.Overflow valve and choke valve are integrated in oil storage
Inside device, embody modular design method, decrease number of components, improve efficiency of assembling.
4th, in the present invention, using the load measure of hydraulic circuit formula, both enhanced the continuity of system torsional rigidity regulation
With stationarity, utilize the viscous damping effect of fluid again, improve torque compensator and twisting vibration and torsional pulse etc. are moved
The inhibition carrying.
5th, in the present invention, using the l type bend pipe with rounding, reduce the pressure loss in elbow for the oil hydraulic system.
Brief description
Fig. 1 is the structural representation of fluid pressure type torque compensator of the present invention；
Fig. 2 is fluid pressure type torque compensator structure principle chart of the present invention,
Wherein, 1- oil conservator, 2- metal spring, 3- piston, 4- choke valve, 5- overflow valve, 6- tubulature, 7- long duct,
Pressurized strut on the left of 8-, pressurized strut on the right side of 9-, 10- first operating bar, 11- second operating bar, 13- first piston, 14- second lives
Plug.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail:
Refer to Fig. 1 to Fig. 2.Fluid pressure type torque compensator of the present invention includes oil conservator 1, is arranged within oil conservator
Piston 3 that metal spring 2 is connected with metal spring 2, it is integrated in choke valve 4 and overflow valve 5 and oil conservator within oil conservator 1
The tubulature 6 that 1 is connected is connected what left side pressurized strut 8 was connected with long duct 7 with long duct 7 with tubulature 6 other end
Right side pressurized strut 9, it is arranged on the first internal operating bar 10 of left side pressurized strut 8, is arranged on second making within the pressurized strut 9 of right side
Lever 11；Above-mentioned parts be functional parts, in addition, the connection between each parts also include bolt, clip etc. other
Securing member is connected.
Described oil conservator 1 is internal to be drum type brake cavity body structure, abbreviation shoe cream room 12, and shoe cream room 12 is internally provided with metal elastic
Spring 2 and piston 3, by piston 3, hydraulic seal is existed that shoe cream room 12 is interior, metal spring 2 is fitted in oil storage by piston 3 opposite side
Chamber 12 bottom.By the deformation of metal spring 2 come the pressure in dummy piston 3 opposite side oil pressure chamber, thus compensating hydraulic system pressure
Power.
Described choke valve 4 and overflow valve 5 are to be arranged in parallel, for adjusting the oil flow stationarity of turnover oil conservator 1, can
Sudden change of flow speed in suppression system.
Described tubulature 6, long duct 7 are the l type metal winding pipe that elbow carries 30 degree of roundings, and conduit cross section is equal
For circle；Using the elbow of rounding angie type, can effectively reduce the pressure loss in elbow during fluid transmission.
Described tubulature 6, long duct 7, after accessing oil conservator 1, before entering choke valve 4 and overflow valve 5, are provided with one
Oil circuit makes two conduit fluid connect, and two conduit oil pressure can be made to be in poised state, thus ensureing that left side pressurized strut 8 is made with right side
Dynamic cylinder 9 in the same direction start when, the two fluid can mutually circulate, oil circuit pressure outside oil conservator 1 balance.
Described left side pressurized strut 8, right side pressurized strut 9 are the column type cavity body structure that side wall is provided with mounting seat, install
Seat bottom is provided with bolt hole, for the fixation of two pressurized struts.
It is respectively arranged with the first operating bar 10 and the second operating bar 11, the first operating bar inside described column type cavity body structure
10th, wherein one end of the second operating bar 11 is ears joint, and the other end of the first operating bar 10 connects first piston 13, and second
The other end of operating bar 11 connects second piston 14.First piston 13, second piston 14 are made with left side pressurized strut 8, right side respectively
Dynamic cylinder 9 is in sealing contact, when the first operating bar 10, the second operating bar 11 barrel slide up and down, is pressed by first piston 13 respectively
Enter tubulature 6, long duct 7 is pressed into by second piston 14.
Ears joint one end of the first described operating bar 10 and the second operating bar 11 is all by spherical hinge structure and two two
End is all connected with the connecting rod 15 of spherical hinge structure, is connected in engine mounting seat by connecting rod 15 other end articulated joint.Described
After connecting rod 15 two ends are all using spherical hinge structure, it is substantially subjected only to the two power bars along bar direction pulling force, is not produced from other directions
Raw load restraint, has ensured that torque compensator does not produce additional stiffness and effect of contraction to other directions.
The concrete installation steps of fluid pressure type torque compensator of the present invention are as follows:
1. first metal spring 2 and piston 3 are press-fited successively to the shoe cream room 12 of oil conservator 1, complete oil circuit setting
Afterwards, sealed；
2. will be integrated in inside oil conservator 1 by the flow rate adjustment device that choke valve 4 and overflow valve 5 compose in parallel, make oil storage
Device 1 has from speed-regulating function, and oil conservator 1 is passed through choke valve 4 and overflow valve 5 and is connected with outside oil circuit；
3. one end is carried first piston 13, the other end is the first operating bar 10 of ears joint and one end carries second and lives
Plug 14, the other end are that the second operating bar 11 of ears joint is separately mounted within left side pressurized strut 8 and right side pressurized strut 9；
4. tubulature 6 one end is connected with oil conservator 1 lower end oilhole, the other end is arranged on left side hydraulic actuator top
Oilhole at, and use locking locked clip device；
5. more another with fuel reserve tank lower end for long duct 7 one end oilhole is connected, the other end is arranged on right side hydraulic actuation
At the oilhole of cylinder bottom, and use locking locked clip device；
6. complete to assemble.
After the completion of assembling, the hydraulic system that above-mentioned each device is constituted can be come according to left and right pressurized strut start connecting rod stand under load degree
Regulating system internal pressure.When carrying out engine installation, the ears joint that left and right pressurized strut lower end is connected with internal operating bar
It is connected on erection support, erection support passes through on four bolt stationary engine gearbox casings.
The fluid pressure type torque compensator course of work of the present invention is as follows:
When the structures such as the engine being connected produce upper and lower or elevating movement, the start in the same direction of two ends actuator, by two
Two oilholes of the asymmetric setting in individual actuator, make hydraulic system internal pressure self-balancing；When structure produces twist motion
When, its incorgruous start of two ends start, hydraulic system internal pressure produces change, and fluid enters accumulator, storage by adjusting means
Spring piston device in grease chamber compensates to system pressure, and produces compensating action just for torque load, therefore claims moment of torsion
Compensation device.
As torque compensation link requisite in engine vibration isolation installation system, this device can protect isolation mounting not
Destroy because torsional load produces excessive deformation.This device, compared with mechanical torque compensation device, has lightweight, damping
Greatly, the features such as stiffness tuning is gentle；Hydraulic system damping simultaneously has certain inhibition to twisting vibration.Flow velocity adjusts dress
The use put, improves the beneficial effect that whole engine vibration isolation system resists torsional pulse load.Arrange inside accumulator
Spring piston device, can be adjusted to the pressure within hydraulic system by its compression.When left and right pressurized strut two ends are subject to
To antisymmetric torque load act on when, this system balances this load by pressure compensation.
Claims (8)
1. a kind of fluid pressure type torque compensator is it is characterised in that including oil conservator (1), being arranged on metal within oil conservator
Piston (3) that spring (2) is connected with metal spring (2), be integrated in the internal choke valve (4) of oil conservator (1) and overflow valve (5),
The tubulature (6) being connected with oil conservator (1) and long duct (7) be connected with tubulature (6) other end left side pressurized strut (8),
The right side pressurized strut (9) being connected with long duct (7), the first operating bar (10) being arranged on left side pressurized strut (8) inside, setting
In internal the second operating bar (11) of right side pressurized strut (9).
2. a kind of fluid pressure type torque compensator according to claim 1 is it is characterised in that described oil conservator (1) is internal
Shoe cream room (12) for drum type brake cavity body structure, be there is shoe cream room (12) by the internal piston (3) of shoe cream room (12) in hydraulic seal
Metal spring (2) is fitted in shoe cream room (12) bottom by interior, piston (3) opposite side.
3. a kind of fluid pressure type torque compensator according to claim 1 it is characterised in that described choke valve (4) with overflow
Stream valve (5) is to be arranged in parallel.
4. a kind of fluid pressure type torque compensator according to claim 1 is it is characterised in that described tubulature (6), length are led
Pipe (7) is the l type metal winding pipe that elbow carries 30 degree of roundings, and conduit cross section is circle.
5. a kind of fluid pressure type torque compensator according to any one of Claims 1-4 is it is characterised in that described left side
Pressurized strut (8), right side pressurized strut (9) are the column type cavity body structure that side wall is provided with mounting seat, and mounting seat bottom is provided with
Bolt hole, for the fixation of two pressurized struts.
6. a kind of fluid pressure type torque compensator according to claim 5 is it is characterised in that described column type cavity body structure
Inside is respectively arranged with the first operating bar (10) and the second operating bar (11), the first operating bar (10), the second operating bar (11)
Wherein one end is ears joint, and the other end of the first operating bar (10) connects first piston (13), the second operating bar (11)
The other end connects second piston (14).
7. a kind of fluid pressure type torque compensator according to claim 6 it is characterised in that first piston (13), second
Piston (14) is in sealing contact with left side pressurized strut (8), right side pressurized strut (9) respectively, when the first operating bar (10), the second operating bar
(11) when barrel slides up and down, pass through first piston (13) respectively, hydraulic oil is pressed in conduit second piston (14).
8. a kind of fluid pressure type torque compensator according to claim 7 is it is characterised in that ears joint one end is all passed through
Spherical hinge structure is all connected with the connecting rod (15) of spherical hinge structure with two two ends, is connected to by connecting rod (15) other end articulated joint
In engine mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510148802.1A CN104976278B (en) | 2014-12-12 | 2015-03-31 | Hydraulic type torque compensating device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767178 | 2014-12-12 | ||
| CN2014107671789 | 2014-12-12 | ||
| CN201510148802.1A CN104976278B (en) | 2014-12-12 | 2015-03-31 | Hydraulic type torque compensating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104976278A CN104976278A (en) | 2015-10-14 |
| CN104976278B true CN104976278B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510148802.1A Active CN104976278B (en) | 2014-12-12 | 2015-03-31 | Hydraulic type torque compensating device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10197128B2 (en) * | 2017-02-03 | 2019-02-05 | Hutchinson Aerospace & Industry Inc. | Hydraulic torque compensation device |
| CN108626305B (en) * | 2017-03-23 | 2021-10-29 | 青岛海尔洗衣机有限公司 | Foot for household appliance, washing machine and control method of washing machine |
| CN108626531B (en) | 2017-03-23 | 2021-09-07 | 青岛胶南海尔洗衣机有限公司 | Footing for household appliance and household appliance |
| CN112503258B (en) * | 2020-11-09 | 2022-08-26 | 中国航空工业集团公司沈阳飞机设计研究所 | High-pressure hydraulic pipeline installation structure and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723507A1 (en) * | 1977-05-25 | 1978-12-07 | Baas Technik Gmbh | Active vibration damper between mass and spring - has pressure regulator without reference mass stabilising tractor seats |
| CN2049609U (en) * | 1989-05-18 | 1989-12-20 | 梁山 | Inclination-eliminating vibration-damper for automobile |
| CN1398735A (en) * | 2001-07-20 | 2003-02-26 | 胡斯可国际股份有限公司 | Double regeneration and suspension mode for cross-country vehicle |
| DE102008008508A1 (en) * | 2007-04-20 | 2008-10-23 | Zf Friedrichshafen Ag | Torsional vibration damper for the drive train of a vehicle |
| CN103613001A (en) * | 2013-12-02 | 2014-03-05 | 安涛(宁波)电器有限公司 | Crane chassis structure with bidirectional piston rod |
| GB2509229A (en) * | 2013-11-19 | 2014-06-25 | Rolls Royce Plc | Gas turbine engine fan stand with hinged rotating frame |
| CN203892026U (en) * | 2014-06-24 | 2014-10-22 | 中国飞机强度研究所 | Mechanical connecting rod type torque compensation device |
-
2015
- 2015-03-31 CN CN201510148802.1A patent/CN104976278B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2723507A1 (en) * | 1977-05-25 | 1978-12-07 | Baas Technik Gmbh | Active vibration damper between mass and spring - has pressure regulator without reference mass stabilising tractor seats |
| CN2049609U (en) * | 1989-05-18 | 1989-12-20 | 梁山 | Inclination-eliminating vibration-damper for automobile |
| CN1398735A (en) * | 2001-07-20 | 2003-02-26 | 胡斯可国际股份有限公司 | Double regeneration and suspension mode for cross-country vehicle |
| DE102008008508A1 (en) * | 2007-04-20 | 2008-10-23 | Zf Friedrichshafen Ag | Torsional vibration damper for the drive train of a vehicle |
| GB2509229A (en) * | 2013-11-19 | 2014-06-25 | Rolls Royce Plc | Gas turbine engine fan stand with hinged rotating frame |
| CN103613001A (en) * | 2013-12-02 | 2014-03-05 | 安涛(宁波)电器有限公司 | Crane chassis structure with bidirectional piston rod |
| CN203892026U (en) * | 2014-06-24 | 2014-10-22 | 中国飞机强度研究所 | Mechanical connecting rod type torque compensation device |
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| Publication number | Publication date |
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| CN104976278A (en) | 2015-10-14 |
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