CN205805882U - The electrical servo stroking mechanism of intelligent pluger type hydraulic pump - Google Patents
The electrical servo stroking mechanism of intelligent pluger type hydraulic pump Download PDFInfo
- Publication number
- CN205805882U CN205805882U CN201620753371.1U CN201620753371U CN205805882U CN 205805882 U CN205805882 U CN 205805882U CN 201620753371 U CN201620753371 U CN 201620753371U CN 205805882 U CN205805882 U CN 205805882U
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- Prior art keywords
- pump
- swash plate
- intelligent
- servomotor
- ring flange
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Abstract
A kind of electrical servo stroking mechanism being applied to intelligent pluger type hydraulic pump of this utility model, it is mainly used to drive the variable swash plate of intelligent pump, make it change angle thus realize output pressure, flow satisfied load change, make load pressure, flow reach gained the most required.This design is mainly made up of servomotor, planetary reduction box, ring flange and related accessories.After servomotor and reduction box are rigidly connected, decelerator and the pump housing are fixed by ring flange, and output shaft is connected with pump swash plate drive shaft end interference fit.So by the control of servomotor just can drive swash plate rotate.
Description
Technical field
This utility model relates to airborne control the actuating system technical field, specifically one of flying and is applicable to intelligent plunger type liquid
The electrical servo stroking mechanism of press pump.
Background technology
Hydraulic pump source, as the core component of airplane hydraulic pressure energy resource system, is mainly used in providing energy to variant hydraulic user
Amount, to realize aircraft flight attitude and the control of flight path, is the critical component of airborne hydraulic systems.In pumping source, pump with
The combination of motor mainly has dosing pump+determine rotating speed motor, dosing pump+variable speed motor, variable pump+determine rotating speed motor, change
Amount pump+four kinds of variable speed motor.Use in plane hydraulic system at present is all the knot of variable pump+variable speed motor/electromotor
Conjunction mode, variable pump therein mostly is constant pressure variable displacement pump, and the advantage of this combination is can to meet various aircraft well
The works of the various load changes such as the pressure of various operating modes, traffic demand can be the taking off of aircraft, cruise, land, attitude change
Make situation and sufficient pressure and flow are provided.
But, the raising required at aspects such as mobility, survival ability and energy ecology along with aircraft, to airborne
Hydraulic system proposes the requirement of the aspects such as high-pressure trend, high-power, pressure changeable and system pressure, flow and load matched.High pressure,
Powerful requirement can make system there is problems in that, and high-pressure trend can seriously increase leakage and leakage power loss；High-pressure trend meeting
Pipeline is caused to vibrate, particularly fluid structurecoupling vibration；The high-power reactance capacity that also can increase system, and then it is converted into heat,
Thus cause plane hydraulic system temperature excursion.Temperature rise also can aggravate sedimentary gathering in addition to causing media ages, impact
The normal work of hydraulic system, also can make part expand, and is likely to result in start and lost efficacy or controlled to lose efficacy, has an effect on simultaneously
The cruising time of aircraft.
Therefore the working method improving pumping source becomes Main Task, it is necessary to take certain means to damage to reduce power
Consumption, the efficiency of raising plane hydraulic system, otherwise, system weight, the reduction of volume that raising hydraulic system pressure is brought are incited somebody to action
The fuel tank volume brought by heat dissipation problem increases, thermal component increase is offset.It is provided simultaneously with pressure changeable so must study
With the novel pumping source of variable-flow ability, propose the thought of intelligent pump on this basis.It is former that intelligent pump is namely based on load-sensitive
Reason, uses Computer Control Technology according to the requirement of aircraft flight envelope curve, and output pressure and flow to oil pump are adjusted in real time
Joint, makes power output and the load matched of oil pump, reduces the heating of pump source system on the premise of meeting actuator function as far as possible
Amount.
The stroking mechanism of the intelligent pump studied at present uses Hydraulic servo drive mostly, by servo valve control one change
Gauging cylinder drives the variable swash plate of pump to change angle and realizes becoming discharge capacity.The work fluid of stroking mechanism directly provided by system or
A little pump coaxial with variable pump is used to provide.The technical comparative maturity of this mode, response performance is good, but additional hydraulic pressure
Actuator structure is complicated, introduces the servo valve link of precision, adds system failure rate and the requirement to oil cleanliness.
Summary of the invention
Along with the development of motor technology, the performance of servomotor has obtained bigger raising, its output and response
Characteristic can meet the application of some high demand occasions.The structure existed for above-mentioned stroking mechanism is complicated, increases the system failure
The shortcoming of rate, this utility model devises a kind of intelligent pump way of realization based on electrical servo stroking mechanism, stepless to realize
Constant voltage, stepless constant flow, stepless power limitation control, and matched load demand, improve power service efficiency.
The technical solution adopted in the utility model is: the swash plate drive shaft external tapping end at pluger type hydraulic pump increases by one
Electrical servo stroking mechanism, is mainly made up of servomotor, planetary reduction box, ring flange and related accessories.Servomotor with subtract
After speed case is rigidly connected, decelerator and the pump housing are fixed by ring flange, and output shaft is connected with pump swash plate drive shaft end interference fit.This
Sample rotates by Serve Motor Control just can drive swash plate.
The utility model has the advantage of: this servo variable mechanism can drive the swash plate inside intelligent pump mechanism so that it is changes
Varied angle thus realize output pressure, flow meets load change, makes load pressure, flow reach gained i.e. required.And use
Servomotor can be better achieved the closed loop control of swash plate positions as power source；More preferable even running effect can be reached
Really；The dynamic effect of servomotor acceleration and deceleration is more preferably.Heating and noise stroking mechanism scheme the most before reduces.It addition, should
Servo variable displacement apparatus structure is simple, easy to process, it is easy to accomplish.
Accompanying drawing explanation
Fig. 1 is the outline drawing of this utility model electrical servo stroking mechanism；
Fig. 2 is the sectional view of Fig. 1.
In figure, 1: servomotor, 2: planetary reduction box, 3: ring flange, 4: bolt A, 5: bolt B, 6: spring shim, 7:
Reduction gearbox output shaft, 8: the pump housing, 9: swash plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This utility model is a kind of electrical servo stroking mechanism being applicable to intelligent pluger type hydraulic pump, as shown in Figure 1, Figure 2
Shown in.In Fig. 2, servomotor 1 and planetary reduction box 2 are connected by screw-threaded coupling, and planetary reduction box 2 and ring flange 3 are by four
Individual bolt A4 connects fixing, and then ring flange 3 and the pump housing 8 connect fixing by four bolt B 5 holddown spring pads 6, described method
The Main Function of blue dish 3 is will to be fixed up with electric servomechanism and the pump housing 8.The D type of the output shaft 7 of planetary reduction gear box
End is connected with the D type hole of corresponding swash plate drive shaft end.By axle, pump swash plate part is connected with the pump housing, works as reduction box
When output shaft drives swash plate 9 to rotate, swash plate 9 can rotate around its axle.So pump swash plate is made to change angle by electric servomechanism
Degree thus realize output pressure, flow meets load change, makes load pressure, flow reach gained i.e. required.
Claims (2)
1. the electrical servo stroking mechanism being applied to intelligent pluger type hydraulic pump, it is characterised in that: include servomotor,
Planetary reduction box, ring flange, bolt A, bolt B, spring shim, reduction gearbox output shaft, the pump housing and swash plate composition；
Main body is servomotor and planetary reduction box, and both are rigidly connected；
Planetary reduction box, it is fixedly mounted on ring flange by screw；
Ring flange is fixedly mounted on the pump housing by screw；
Torque type outfan, output shaft rotates；
Output shaft is connected with pump swash plate drive shaft end interference fit.
A kind of electrical servo stroking mechanism being applied to intelligent pluger type hydraulic pump, its feature exists
In: when normally working when servomotor, the planetary reduction gear axle rotation that driven by motor is connected, and then reducer output shaft
Drive pump swash plate drive shaft, finally make the pump swash plate can be around drive shaft turns in the range of certain angle；Swash plate angle when pump
When changing, there is corresponding change in the output flow of plunger displacement pump and pressure, such that it is able to it is full to realize pump output pressure, flow
Foot load change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620753371.1U CN205805882U (en) | 2016-07-18 | 2016-07-18 | The electrical servo stroking mechanism of intelligent pluger type hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620753371.1U CN205805882U (en) | 2016-07-18 | 2016-07-18 | The electrical servo stroking mechanism of intelligent pluger type hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805882U true CN205805882U (en) | 2016-12-14 |
Family
ID=57507689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620753371.1U Expired - Fee Related CN205805882U (en) | 2016-07-18 | 2016-07-18 | The electrical servo stroking mechanism of intelligent pluger type hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317075A (en) * | 2018-03-29 | 2018-07-24 | 上海大学 | A kind of pilot handle hydraulic pump test fixture |
-
2016
- 2016-07-18 CN CN201620753371.1U patent/CN205805882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317075A (en) * | 2018-03-29 | 2018-07-24 | 上海大学 | A kind of pilot handle hydraulic pump test fixture |
| CN108317075B (en) * | 2018-03-29 | 2019-08-06 | 上海大学 | A kind of pilot handle hydraulic pump test fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20210718 |