CN107314092A - A kind of hydraulic torque generator - Google Patents
A kind of hydraulic torque generator Download PDFInfo
- Publication number
- CN107314092A CN107314092A CN201710436642.XA CN201710436642A CN107314092A CN 107314092 A CN107314092 A CN 107314092A CN 201710436642 A CN201710436642 A CN 201710436642A CN 107314092 A CN107314092 A CN 107314092A
- Authority
- CN
- China
- Prior art keywords
- valve body
- steering
- drive axle
- hydraulic
- input shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- 239000002828 fuel tank Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F16H43/00—Other fluid gearing, e.g. with oscillating input or output
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C2/00—Rotary-piston engines
Abstract
The invention discloses a kind of hydraulic torque generator, steering input shaft and torque output shaft including being arranged on valve body two ends, the steering input shaft is provided with inner chamber, and the hydraulic torque generator also turns stator pair, connection metering including steering drive axle set, return spring piece, the metering being made up of rotor and stator and turns secondary and steering input shaft the power transmission shaft of stator；Steering drive axle is set in valve body, and steering drive axle set is between valve body and steering drive axle set；Return spring piece is arranged in the inner chamber for turning to input shaft, and return spring piece is in contact with power transmission shaft；One end of torque output shaft is arranged on metering and turned in stator pair, turns to both input shaft and power transmission shaft end and is in contact；Valve body is provided with the oil inlet and oil return opening communicated with steering drive axle set；With easier for installation, structure is more compact, simplifies hydraulic circuit structure, reduces main frame cost, it is easy to adjust output torque, manipulates bounce small.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, it is related to a kind of hydraulic torque generator, especially one kind and is exclusively used in high speed water
The hydraulic torque generator of rice transplanter steering.
Background technology
It is main by hydraulic torque generator, hydraulic pump, connecting bracket, independent moment of torsion that steering occurs for traditional moment of torsion
The critical piece such as universal driving shaft and gearbox is exported to constitute.
First, traditional hydraulic torque generator, which is installed, to be fixed on by being fixed on the support of one on main frame, then
The output end that main frame gear-box and moment of torsion amplify generator is connected by an independent power transmission shaft to transmit output torque, tied
Structure is complicated, to maintenance and the shortcomings of safeguard inconvenience.
Meanwhile, after traditional hydraulic torque generator internal leakage fluid and steering oil return interflow, pass through oil return opening and access oil
Case, due to rotary dynamic seal and internal leakage fluid and turn to oil return communicate, rotary dynamic seal leads to not realize operating cylinder
It is connected serially in hydraulic torque generator oil return circuit
Furthermore, limiting more than 2.5MPa back pressures can not be born due to being limited by rotary dynamic seal, oil cylinder must be used
Independent hydraulic pump provides hydraulic energy, and steering and other work (oil cylinder) systems need respective hydraulic pump, cause whole
Hydraulic system very complicated.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of hydraulic torque generator, and structure is compacter, and design is more
Adduction is managed, and performance is more excellent, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the present invention provides following technical scheme：A kind of hydraulic torque generator, including be arranged on
The steering input shaft and torque output shaft at valve body two ends, the steering input shaft are provided with inner chamber, and the hydraulic torque generator is also wrapped
The metering for include steering drive axle set, return spring piece, being made up of rotor and stator turns stator pair, connection metering and turns stator pair and turn
To the power transmission shaft of input shaft；Steering drive axle is set in valve body, and steering drive axle set is located at valve body and steering drive axle set
Between；Return spring piece is arranged in the inner chamber for turning to input shaft, and return spring piece is in contact with power transmission shaft；Torque output shaft
One end is arranged on metering and turned in stator pair, turns to both input shaft and power transmission shaft end and is in contact；Valve body is provided with to be passed with turning to
Oil inlet and oil return opening that moving axis set is communicated；Steering drive axle set, valve body and return spring piece constitute the oily flow liquid direction of control
Follow-up rotary valve.
It is preferred that, the hydraulic torque generator also includes mounting flange, and the torque output shaft passes through mounting flange.
It is preferred that, provided with leakage hydraulic fluid port 9 inside the torque output shaft.
It is preferred that, entrance security valve is integrated with the valve body.
Beneficial effect using above technical scheme is：The hydraulic torque generator of structure of the present invention, which has, installs more square
Just, structure is more compact, simplifies hydraulic circuit structure, reduces main frame cost, it is easy to adjust output torque, and manipulation bounce is small,
The advantages of compatible excellent emergent manual steering.
Hydraulic torque generator integrated gearbox mounting flange on torque output shaft side, will be turned round by mounting flange
The output torque of square generator is directly delivered in gearbox by torque output shaft, directly by output shaft and gear-box inside
Mechanism connects to transmit output torque, so that solve needs an additionally mounted support to carry out even twisting moment amplification in the prior art
Device and by an independent power transmission shaft and gear-box connection to transmit output torque the problem of so that it is easier for installation, knot
Structure more simplifies compact；Meanwhile, torque output shaft is directly designed provided with leakage hydraulic fluid port oil leak hole and realized in output shaft by
Draining liquid is linked into gearbox, and solving conventional torque amplification generator needs independent pipeline to be linked into back internal drainage liquid
In fuel tank, simplify oil circuit composition, optimize the layout of assembling parts.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is steering system hydraulic schematic diagram；
Fig. 3 is the structural representation of steering drive axle set；
Fig. 4 is the structural representation of steering spindle；
Fig. 5 is to turn to input shaft and steering drive axle set steering hydraulic schematic diagram.
Wherein, 1--, which turns to input shaft, 2-- steering drive axles set, 3-- and measured, turns stator pair, 4-- entrance securities valve, 5--
Valve body, 6-- oil inlets, 7-- oil return openings, 8-- torque output shafts, 9-- leakages hydraulic fluid port, 10-- mounting flanges, 11-- rotations are dynamic close
Seal, 12-- power transmission shafts, 13-- return spring pieces.
Embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Fig. 1 and Fig. 2 show the embodiment of the present invention：A kind of hydraulic torque generator, including it is arranged on 5 liang of valve body
The steering input shaft 1 and torque output shaft 8 at end, the steering input shaft 1 are provided with inner chamber, and the hydraulic torque generator also includes turning
The metering constituted to 12 set 2 of power transmission shaft, return spring piece 13, by rotor and stator turns stator pair 3, connection metering and turns stator pair 3
With the power transmission shaft 12 for turning to input shaft 1；Steering drive axle is arranged in valve body 5 for 12 set 2, and steering drive axle is located at valve body for 12 set 2
Between 5 and 12 set 2 of steering drive axle；Return spring piece 13 is arranged in the inner chamber for turning to input shaft 1, and return spring piece 13 is with passing
Moving axis 12 is in contact；One end of torque output shaft 8 is arranged on metering and turned in stator pair 3, turns to 12 liang of input shaft 1 and power transmission shaft
Person end is in contact；Valve body 5 is provided with the oil inlet 6 and oil return opening 7 communicated for 12 set 2 with steering drive axle；Steering drive axle 12
Set 2, valve body 5 and return spring piece 13 constitute the follow-up rotary valve in the oily flow liquid direction of control.
Hydraulic torque generator also includes mounting flange 10, and the torque output shaft 8 passes through mounting flange 10, by installing
The output torque of torque generator is directly delivered in gearbox by flange by torque output shaft, directly by output shaft end and
Gear-box internal mechanism connects to transmit output torque, so that solve needs an additionally mounted support to consolidate in the prior art
The problem of determining torque amplification and connected by an independent power transmission shaft and gear-box to transmit output torque so that install more
Plus conveniently, structure more simplifies compact.
The inside of torque output shaft 8 is provided with leakage hydraulic fluid port 9, and the leakage fluid that torque generator inside is produced passes through torque output
Leakage hydraulic fluid port on axle, internal drainage liquid is linked into gearbox by realization returns to fuel tank.Due to turning to oil return and internal drainage road phase
It is mutually independent, it is non-interference, and the leakage direct oil return box of fluid, back pressure is not produced substantially, is thus solved due to dynamic by rotation
Sealing limitation can not bear the limitation more than 2.5MPa back pressures, thus series connection can access working oil on oil return circuit is turned to
Cylinder, the raw device of moment of torsion amplification can bear below 12.5MPa continuous return oil pressure, it is sufficient to meet the demand of operating cylinder.So as to real
Now simplify hydraulic system, reduce oil circuit layout, it is cost-effective.
Entrance security valve 4 is integrated with valve body 5；The metering being made up of rotor and stator turns stator pair, by hydraulic energy (stream
Amount, pressure) it is converted into moment of torsion and rotating speed is directly delivered in gearbox by torque output shaft, pass through the related of vehicle and turn to dress
Realization is put to turn to；Entrance security valve plays the maximum pressure of limitation steering, the protection hydraulic torque amplification normal work of generator
Make.
With reference to Fig. 1 and Fig. 2, when hydraulic torque generator, which turns to input shaft, to be rotated by steering wheel, when power transmission shaft,
When the inner chamber generation relative rotation for turning to input shaft is about 2 ° or so, oil circuit is begun to turn on, and fluid enters through the oil inlet on valve body
Enter to steering drive axle set, then metering is entered through valve body radial hole and turn the secondary high-pressure chamber of stator, drive rotor is relative to fixed
Son is rotated, and overcomes load resistance, it is direct by torque output shaft that hydraulic energy (flow, pressure) is converted into output torque and rotating speed
It is delivered in gearbox, is realized and turned to by the related transfer of vehicle.It is secondary again through valve body radial hole that metering simultaneously turns stator
Steering drive axle set is entered, through the oil return opening on valve body, fuel tank is returned to.
As shown in accompanying drawing 3, Fig. 4 and Fig. 5, when not steering wheel rotation, fluid enters steering through the oil inlet on valve body
Driving sleeve, under the elastic force effect of return spring group, power transmission shaft and steering drive axle set are in middle position, and fluid is directly diverted
Driving sleeve returns to fuel tank through the oil return opening on valve body.
When steering load resistance or operating cylinder pressure rise to entrance security valve setting pressure when, entrance security
Valve, plays a part of protection hydraulic torque amplification generator.
The present invention program has easier for installation, and structure is more compact, simplifies hydraulic circuit structure, reduction main frame into
This, it is easy to adjust output torque, manipulate that bounce is small, the advantages of compatible excellent emergent manual steering.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. a kind of hydraulic torque generator, including the steering input shaft and torque output shaft at valve body two ends are arranged on, its feature exists
In the steering input shaft is provided with inner chamber, and the hydraulic torque generator also includes steering drive axle set, return spring piece, by turning
The metering of son and stator composition turns stator pair, connection metering and turns secondary and steering input shaft the power transmission shaft of stator；Steering drive axle set
It is arranged in valve body, steering drive axle set is between valve body and steering drive axle set；Return spring piece is arranged on steering input
In the inner chamber of axle, return spring piece is in contact with power transmission shaft；One end of torque output shaft is arranged on metering and turned in stator pair, turns to
Both input shaft and power transmission shaft end are in contact；Valve body is provided with the oil inlet and oil return opening communicated with steering drive axle set；Turn
The follow-up rotary valve in the oily flow liquid direction of control is constituted to driving sleeve, valve body and return spring piece.
2. hydraulic torque generator according to claim 1, it is characterised in that the hydraulic torque generator also includes peace
Flange is filled, the torque output shaft passes through mounting flange.
3. hydraulic torque generator according to claim 1, it is characterised in that provided with leakage inside the torque output shaft
Hydraulic fluid port 9.
4. hydraulic torque generator according to claim 1, it is characterised in that be integrated with entrance security on the valve body
Valve.
5. hydraulic torque generator according to claim 1, it is characterised in that described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436642.XA CN107314092A (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436642.XA CN107314092A (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107314092A true CN107314092A (en) | 2017-11-03 |
Family
ID=60182246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710436642.XA Pending CN107314092A (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107314092A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199685A (en) * | 1997-03-25 | 1998-11-25 | 尹顿公司 | Oil hydraulic torque amplifier and power steering system installed with the same apparatus for vehicle |
| US20040052668A1 (en) * | 2002-09-13 | 2004-03-18 | Xingen Dong | Gerotor motor with valve in rotor |
| US20050268975A1 (en) * | 2002-12-03 | 2005-12-08 | Martin Boecker | Valve for a hydraulic power steering |
| CN102338081A (en) * | 2011-07-19 | 2012-02-01 | 大连液压件有限公司 | Tow-body internal-leaked steering booster pump |
| CN102797622A (en) * | 2012-09-07 | 2012-11-28 | 镇江大力液压马达有限责任公司 | Cycloid hydraulic motor of shaft-valve flow-distribution type |
| US20140271309A1 (en) * | 2013-03-15 | 2014-09-18 | Eaton Corporation | Torque-generating steering device |
| CN206988397U (en) * | 2017-06-12 | 2018-02-09 | 芜湖中意液压科技股份有限责任公司 | A kind of hydraulic torque generator |
-
2017
- 2017-06-12 CN CN201710436642.XA patent/CN107314092A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199685A (en) * | 1997-03-25 | 1998-11-25 | 尹顿公司 | Oil hydraulic torque amplifier and power steering system installed with the same apparatus for vehicle |
| US20040052668A1 (en) * | 2002-09-13 | 2004-03-18 | Xingen Dong | Gerotor motor with valve in rotor |
| US20050268975A1 (en) * | 2002-12-03 | 2005-12-08 | Martin Boecker | Valve for a hydraulic power steering |
| CN102338081A (en) * | 2011-07-19 | 2012-02-01 | 大连液压件有限公司 | Tow-body internal-leaked steering booster pump |
| CN102797622A (en) * | 2012-09-07 | 2012-11-28 | 镇江大力液压马达有限责任公司 | Cycloid hydraulic motor of shaft-valve flow-distribution type |
| US20140271309A1 (en) * | 2013-03-15 | 2014-09-18 | Eaton Corporation | Torque-generating steering device |
| CN206988397U (en) * | 2017-06-12 | 2018-02-09 | 芜湖中意液压科技股份有限责任公司 | A kind of hydraulic torque generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
|
| RJ01 | Rejection of invention patent application after publication |