CN109340339A - A kind of hydraulic constant speed output device - Google Patents
A kind of hydraulic constant speed output device Download PDFInfo
- Publication number
- CN109340339A CN109340339A CN201811364010.8A CN201811364010A CN109340339A CN 109340339 A CN109340339 A CN 109340339A CN 201811364010 A CN201811364010 A CN 201811364010A CN 109340339 A CN109340339 A CN 109340339A
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- Prior art keywords
- hydraulic
- gear
- valve
- hydraulic motor
- solenoid directional
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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
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of hydraulic constant speed output devices, are made of differential gear train, hydraulic system, monitor control system three parts, the revolving speed of variation is provided by power source, and power is input to the sun gear of differential gear train by primary input axis；Sun gear is engaged with the planetary gear on planet carrier, and planet carrier is connected with output shaft；In the hydraulic system, hydraulic pump obtains power by the first meshing gear from primary input axis, hydraulic motor is acted on by hydraulic oil, provides power for hydraulic motor, the output shaft of hydraulic motor then passes through the second meshing gear and is connected with the gear ring in differential gear train；The present invention uses hydraulic, mechanical dual-stream transmission, and control is flexible and convenient, and reasonable driven Design makes distribution ration of hydraulic power smaller, and the efficiency of system improves.By using the short electro-hydraulic proportional valve of high-precision speed probe and reaction time and hydraulic motor, it can be achieved that higher fixed speed control precision.
Description
Technical field
The invention belongs to engineering machinery and generating equipment technical fields, and in particular to it is a kind of especially suitable for wind-power electricity generation and
The hydraulic constant speed output device combined with differential gear train of one kind of small-scale fishing vessel power generation.
Background technique
There is a problem of that wind direction and the unstable revolving speed for leading to wind wheel of intensity and torque are unstable in wind-power electricity generation；In bavin
There are problems that exporting revolving speed, torque ripple in oil machine and gasoline engine.The torque and revolving speed of variation are transmitted to by transmission system
On generator, and there are problems that needing constant input speed in generator.
Input therefore, it is necessary to constant speed output device as generator.In the prior art, there are mainly three types of real for constant speed output
Existing mode: hydraulic type constant speed output device, hydraulic constant velocity transmission device and bi-motor Mechanical course transmission device.It is domestic at present
Outside mostly using the guide vane adjustable constant speed output device based on hydrodynamics, this device is mainly in high-power machine
Group, structure is complicated and higher cost；It is simple to obtain constant output revolving speed by hydraulic drive or hydraulic power, efficiency compared with
It is low, it is less economical；Bi-motor Mechanical course transmission device, although efficiency is higher, caused by the unbearable mutation compared with big load
Rigid shock.
Summary of the invention
To solve constant speed output device in the prior art, structure is complicated, inefficiency and the mutation of unbearable power source are rushed
The problems such as hit, the present invention uses hydraulic, mechanical dual-stream transmission, and control is flexible and convenient, and reasonable driven Design makes
Distribution ration of hydraulic power is smaller, and the efficiency of system improves.
A kind of hydraulic constant speed output device, the scheme for taking 2K-H type differential gear train to combine with hydraulic system, entirely
Device is made of differential gear train, hydraulic system, monitor control system three parts.
The revolving speed of variation is provided by power source 1, and power is input to the sun gear 6 of differential gear train by primary input axis 2；
Sun gear 6 is engaged with the planetary gear 9 on planet carrier 10, and planet carrier 10 is connected with output shaft 12, and output shaft 12 exports constant revolution.
In the hydraulic system, hydraulic pump 3 obtains power by the first meshing gear 5 from primary input axis 2, passes through liquid
Pressure oil acts on hydraulic motor 13, provides power for hydraulic motor 13, the output shaft of hydraulic motor 13 then passes through the second engaging tooth
Wheel 7 is connected with the gear ring 8 in differential gear train.
The monitor control system is by speed probe monitoring gear 11, direction of rotation sensor monitoring gear 4 and puts
Big device composition, direction of rotation sensor monitoring gear 4 are mounted on primary input axis 2, corresponding direction of rotation sensor monitoring
1 direction of rotation of power source；Speed probe monitoring gear 11 is mounted on output shaft 12, and corresponding speed probe monitoring is defeated
The big minor swing of 12 revolving speed of shaft.
Specifically, hydraulic system is overflow by hydraulic pump 3, hydraulic motor 13, solenoid directional control valve 14, electro-hydraulic proportional valve 15, safety
Flow 16, four check valves of valve 17,18,22,23, cooler 19, return filter 20, fuel tank 21 and 24 groups of oil absorption filter
At.When power source 1 drives hydraulic pump 3 to rotate clockwise, oil in fuel tank 21 by oil absorption filter 24 and check valve 23 into
Enter hydraulic pump 3, flow into electro-hydraulic proportional valve 15 using check valve 17, and then flows through solenoid directional control valve 14 and enter hydraulic horse later
Up to 13, fuel tank 21 finally is returned to using solenoid directional control valve 14, cooler 19, return filter 20；
When power source 1 drives hydraulic pump 3 to rotate counterclockwise, solenoid directional control valve 14 commutates, and the oil in fuel tank 21 passes through oil suction
Filter 24 and check valve 18 enter hydraulic pump 3, flow into electro-hydraulic proportional valve 15 using check valve 22, flow through solenoid directional control valve 14 it
Enter hydraulic motor 13 afterwards, finally returns to fuel tank 21 using solenoid directional control valve 14, cooler 19 and return filter 20.Safety
Overflow valve 16 is mounted between check valve 22 and cooler 19, when hypertonia, carries out aerial drainage decompression by safety overflow valve 16,
Electro-hydraulic proportional valve 15 is completed constant speed output and is adjusted.
Specifically, the direction of rotation sensor output in the direction of rotation sensor monitoring gear 4 in monitor control system
Turn signal acts on solenoid directional control valve 14 in hydraulic system by amplifier, for controlling solenoid directional control valve 14, and then controls
13 positive and negative rotation of hydraulic motor；Speed probe monitors the speed probe in gear 11 and exports tach signal, makees by amplifier
For the electro-hydraulic proportional valve 15 in hydraulic system, the flow of input hydraulic pressure motor 13 is controlled, and then controls the defeated of hydraulic motor 13
Revolving speed out.
Fixed speed control precision of the invention, depending on the accuracy of speed probe, electro-hydraulic proportional valve 15 and hydraulic motor
13 reaction time.
The beneficial effects of the present invention are: hydraulic, mechanical dual-stream transmission is used, control is flexible and convenient, reasonable to pass
So that distribution ration of hydraulic power is smaller, the efficiency of system is improved for dynamic design.By using high-precision speed probe and reaction
Time short electro-hydraulic proportional valve 15 and hydraulic motor 13 is, it can be achieved that higher fixed speed control precision.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the schematic diagram of hydraulic system of the invention.
In figure:
1, power source；2, primary input axis；3, hydraulic pump；4, direction of rotation sensor monitors gear；
5, the first meshing gear；6, sun gear；7, the second meshing gear；8, gear ring；9, planetary gear；
10, planet carrier；11, speed probe monitors gear；12, output shaft；13, hydraulic motor；
14, solenoid directional control valve；15, electro-hydraulic proportional valve；16, safety overflow valve；
17,18,22,23 check valve；19, cooler；20, return filter；21, fuel tank；
24, oil absorption filter.
Specific embodiment
It describes in detail with reference to the accompanying drawing to the present invention:
The hydraulic constant speed output device of one kind as described in Figure 1, by differential gear train, hydraulic system, monitor control system three parts
It constitutes, the revolving speed of variation is provided by power source 1, and power is input to the sun gear 6 of differential gear train by primary input axis 2；Too
Sun wheel 6 is engaged with the planetary gear 9 on planet carrier 10, and planet carrier 10 is connected with output shaft 12, and output shaft 12 exports constant revolution；
In the hydraulic system, hydraulic pump 3 obtains power by the first meshing gear 5 from primary input axis 2, passes through hydraulic oil
Act on hydraulic motor 13, provide power for hydraulic motor 13, the output shaft of hydraulic motor 13 then pass through the second meshing gear 7 with
Gear ring 8 in differential gear train is connected；
The monitor control system is by speed probe monitoring gear 11, direction of rotation sensor monitoring gear 4 and amplifier
Composition, direction of rotation sensor monitoring gear 4 are mounted on primary input axis 2, and corresponding direction of rotation sensor monitors power
1 direction of rotation of source；Speed probe monitoring gear 11 is mounted on output shaft 12, and corresponding speed probe monitors output shaft
The big minor swing of 12 revolving speeds.
As shown in Fig. 2, the hydraulic system is by hydraulic pump 3, hydraulic motor 13, solenoid directional control valve 14, electro-hydraulic proportional valve
15,16, four check valves of safety overflow valve 17,18,22,23, cooler 19, return filter 20, fuel tank 21 and oil suction
Filter 24 forms, and fuel-displaced one end of fuel tank 21 passes sequentially through oil pipe and oil absorption filter 24, check valve 18,23, hydraulic pump 3, list
To valve 17,22, electro-hydraulic proportional valve 15, solenoid directional control valve 14, be connected to 13 entrance oil liquid of hydraulic motor；
The outlet of hydraulic motor 13 oil liquid passes sequentially through oil pipe and solenoid directional control valve 14, cooler 19, return filter 20 return to oil
Case 21；
Safety overflow valve 16 is mounted between check valve 22 and cooler 19, when hypertonia, is carried out by safety overflow valve 16
Aerial drainage decompression, electro-hydraulic proportional valve 15 are completed constant speed output and are adjusted.
When power source 1 drives hydraulic pump 3 to rotate clockwise, the oil in fuel tank 21 passes through oil absorption filter 24 and check valve
23 enter hydraulic pump 3, flow into electro-hydraulic proportional valve 15 using check valve 17, and then flow through solenoid directional control valve 14 later into hydraulic
Motor 13 finally returns to fuel tank 21 using solenoid directional control valve 14, cooler 19, return filter 20.
When power source 1 drives hydraulic pump 3 to rotate counterclockwise, solenoid directional control valve 14 commutates, and the oil in fuel tank 21 is by inhaling
Oil strainer 24 and check valve 18 enter hydraulic pump 3, flow into electro-hydraulic proportional valve 15 using check valve 22, flow through solenoid directional control valve
Enter hydraulic motor 13 after 14, finally returns to fuel tank 21 using solenoid directional control valve 14, cooler 19 and return filter 20.
The direction of rotation sensor output in direction of rotation sensor monitoring gear 4 in the monitor control system turns
To signal, solenoid directional control valve 14 in hydraulic system are acted on by amplifier, and then control 13 positive and negative rotation of hydraulic motor；Revolving speed passes
Sensor monitors the speed probe in gear 11 and exports tach signal, and the electric-hydraulic proportion in hydraulic system is acted on by amplifier
Valve 15 controls the flow of input hydraulic pressure motor 13, and then controls the output revolving speed of hydraulic motor 13.
The present invention is described in detail above, for those of ordinary skill in the art, is implemented according to the present invention
The thought of example, there will be changes in terms of specific embodiments and scope of application, and described this specification should not be construed as pair
Limitation of the invention；All the above embodiment is presently preferred embodiments of the present invention, all in spirit of the invention
With any modifications, equivalent replacements, and improvements made within principle etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of hydraulic constant speed output device, is made of differential gear train, hydraulic system, monitor control system three parts, special
Sign is:
The revolving speed of variation is provided by power source (1), and power is input to the sun gear of differential gear train by primary input axis (2)
(6)；Sun gear (6) is engaged with the planetary gear (9) on planet carrier (10), and planet carrier (10) is connected with output shaft (12), output shaft
(12) constant revolution is exported；
In the hydraulic system, hydraulic pump (3) obtains power by the first meshing gear (5) at primary input axis (2), leads to
It crosses hydraulic oil and acts on hydraulic motor (13), provide power for hydraulic motor (13), the output shaft of hydraulic motor (13) then passes through
Second meshing gear (7) is connected with the gear ring (8) in differential gear train；
The monitor control system is by speed probe monitoring gear (11), direction of rotation sensor monitoring gear (4) and puts
Big device composition, direction of rotation sensor monitoring gear (4) are mounted on primary input axis (2), corresponding direction of rotation sensor
Monitor power source (1) direction of rotation；Speed probe monitoring gear (11) is mounted on output shaft (12), corresponding revolving speed
The big minor swing of sensor monitoring output shaft (12) revolving speed.
2. the hydraulic constant speed output device of one kind according to claim 1, it is characterised in that:
The hydraulic system is by hydraulic pump (3), hydraulic motor (13), solenoid directional control valve (14), electro-hydraulic proportional valve (15), peace
Full overflow valve (16), four check valves (17,18,22,23), cooler (19), return filter (20), fuel tank (21) and
Oil absorption filter (24) composition, fuel-displaced one end of fuel tank (21) pass sequentially through oil pipe and oil absorption filter (24), check valve (18,
23), hydraulic pump (3), check valve (17,22), electro-hydraulic proportional valve (15), solenoid directional control valve (14) and hydraulic motor (13) entrance
Oil liquid connection；
Hydraulic motor (13) outlet oil liquid passes sequentially through oil pipe and solenoid directional control valve (14), cooler (19), return filter
(20) fuel tank (21) are returned to；
Safety overflow valve (16) is mounted between check valve (22) and cooler (19), when hypertonia, by safety overflow valve
(16) aerial drainage decompression is carried out, electro-hydraulic proportional valve (15) is completed constant speed output and adjusted.
3. the hydraulic constant speed output device of one kind according to claim 2, it is characterised in that:
When power source (1) drives hydraulic pump (3) to rotate clockwise, oil in fuel tank (21) by oil absorption filter (24) and
Check valve (23) enters hydraulic pump (3), flows into electro-hydraulic proportional valve (15) using check valve (17), and then flow through electromagnetic switch
Enter hydraulic motor (13) after valve (14), finally using solenoid directional control valve (14), cooler (19), return filter
(20) fuel tank (21) are returned to.
4. the hydraulic constant speed output device of one kind according to claim 2, it is characterised in that:
When power source (1) drives hydraulic pump (3) to rotate counterclockwise, solenoid directional control valve (14) commutates, the oil warp in fuel tank (21)
It crosses oil absorption filter (24) and check valve (18) enters hydraulic pump (3), flow into electro-hydraulic proportional valve using check valve (22)
(15), it flows through solenoid directional control valve (14) and enters hydraulic motor (13) later, finally using solenoid directional control valve (14), cooler
(19) and return filter (20) returns to fuel tank (21).
5. the hydraulic constant speed output device of one kind according to claim 2, it is characterised in that:
The direction of rotation sensor in direction of rotation sensor monitoring gear (4) in the monitor control system, which exports, to be turned to
Signal acts on solenoid directional control valve in hydraulic system (14) by amplifier, and then controls hydraulic motor (13) positive and negative rotation；Turn
Speed probe in fast sensor monitoring gear (11) exports tach signal, acts in hydraulic system by amplifier
Electro-hydraulic proportional valve (15) controls the flow of input hydraulic pressure motor (13), and then controls the output revolving speed of hydraulic motor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364010.8A CN109340339A (en) | 2018-11-16 | 2018-11-16 | A kind of hydraulic constant speed output device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364010.8A CN109340339A (en) | 2018-11-16 | 2018-11-16 | A kind of hydraulic constant speed output device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340339A true CN109340339A (en) | 2019-02-15 |
Family
ID=65316005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811364010.8A Withdrawn CN109340339A (en) | 2018-11-16 | 2018-11-16 | A kind of hydraulic constant speed output device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340339A (en) |
-
2018
- 2018-11-16 CN CN201811364010.8A patent/CN109340339A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190215 |