CN206988397U - A kind of hydraulic torque generator - Google Patents
A kind of hydraulic torque generator Download PDFInfo
- Publication number
- CN206988397U CN206988397U CN201720673739.8U CN201720673739U CN206988397U CN 206988397 U CN206988397 U CN 206988397U CN 201720673739 U CN201720673739 U CN 201720673739U CN 206988397 U CN206988397 U CN 206988397U
- 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.)
- Expired - Fee Related
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- Power Steering Mechanism (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The utility model discloses a kind of hydraulic torque generator, steering input shaft and torque output shaft including being arranged on valve body both ends, the steering input shaft is provided with inner chamber, and the hydraulic torque generator also includes steering drive axle set, return spring piece, the metering that is made up of rotor and stator turn the power transmission shaft that stator is secondary, connection metering turns stator pair and steering input shaft；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, is easy to adjust output torque, it is small to manipulate bounce.
Description
Technical field
Technical field of hydraulic pressure is the utility model is related to, is related to a kind of hydraulic torque generator, especially one kind is exclusively used in height
The hydraulic torque generator of fast rice transplanter steering.
Background technology
Steering occurs for traditional moment of torsion mainly by hydraulic torque generator, hydraulic pump, connecting bracket, independent moment of torsion
The critical piece such as universal driving shaft and gearbox is exported to form.
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 is amplified to generator by an independent power transmission shaft with moment of torsion is connected to transmit output torque, is tied
Structure is complicated, to repairing and safeguard the shortcomings of inconvenient.
Meanwhile behind traditional hydraulic torque generator internal leakage fluid and steering oil return interflow, pass through oil return opening and access oil
Case, because rotary dynamic seal and internal leakage fluid and steering oil return communicate, rotary dynamic seal, lead 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 use
Independent hydraulic pump provides hydraulic energy, and steering and other work (oil cylinder) systems need respective hydraulic pump, cause whole
Hydraulic system very complicated.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hydraulic torque generator, and structure is compacter, if
Meter is more reasonable, and performance is more excellent, to solve caused above-mentioned multinomial defect in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of hydraulic torque generator, including set
The steering input shaft and torque output shaft at valve body both ends are put, the steering input shaft is provided with inner chamber, the hydraulic torque generator
Also include steering drive axle set, return spring piece, the metering that is made up of rotor and stator turn that stator is secondary, connection metering turns stator pair
With the power transmission shaft for turning to input shaft；Steering drive axle is set in valve body, and steering drive axle set is positioned at valve body and turns to transmission
Between axle sleeve；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
One end of axle 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 turning
The oil inlet and oil return opening communicated to driving sleeve；Steering drive axle set, valve body and return spring piece form control oil stream liquid side
To follow-up rotary valve.
Preferably, the hydraulic torque generator also includes mounting flange, and the torque output shaft passes through mounting flange.
Preferably, leakage hydraulic fluid port 9 is provided with inside the torque output shaft.
Preferably, entrance security valve is integrated with the valve body.
Beneficial effect using above technical scheme is：The hydraulic torque generator of the utility model structure has installation more
Add conveniently, structure is more compact, simplifies hydraulic circuit structure, reduces main frame cost, is easy to adjust output torque, manipulates bounce
It is small, the advantages that compatible excellent emergent manual steering.
Hydraulic torque generator integrates a 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 is connected to transmit output torque, needs an additionally mounted support to carry out even twisting moment amplification in the prior art so as to solve
The problem of device by an independent power transmission shaft with gear-box with being connected to transmit output torque so that easier for installation, knot
Structure more simplifies compact；Meanwhile torque output shaft is provided with leakage hydraulic fluid port oil leak hole and directly designed in output shaft realization 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 structural representation of the present utility model；
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 steering spindle liquid flow direction schematic diagram in rotation process.
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
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 and Fig. 2 show specific embodiment of the present utility model：A kind of hydraulic torque generator, including it is arranged on valve
The steering input shaft 1 and torque output shaft 8 at the both ends of body 5, the steering input shaft 1 are provided with inner chamber, and the hydraulic torque generator is also
Turn stator pair 3 including 12 set 2 of steering drive axle, return spring piece 13, the metering that is made up of rotor and stator, connection metering turns fixed
Sub- pair 3 and 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 for 12 set 2
Between 12 set 2 of valve body 5 and steering drive axle；Return spring piece 13 is arranged in the inner chamber for turning to input shaft 1, return spring piece 13
It is in contact with power transmission shaft 12；One end of torque output shaft 8 is arranged on metering and turned in stator pair 3, turns to input shaft 1 and power transmission shaft
12 both ends are 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；Turn to transmission
12 set 2 of axle, valve body 5 and return spring piece 13 form the follow-up rotary valve in control oil stream liquid direction.
Hydraulic torque generator also includes mounting flange 10, and the torque output shaft 8 passes through mounting flange 10, passes through installation
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 is connected to transmit output torque, needs an additionally mounted support to consolidate in the prior art so as to solve
Determine the problem of torque amplification by an independent power transmission shaft with gear-box with connecting to transmit output torque so that installation is more
Add conveniently, structure more simplifies compact.
The inside of torque output shaft 8 is provided with leakage hydraulic fluid port 9, and caused leakage fluid passes through torque output inside torque generator
Leakage hydraulic fluid port on axle, realizes internal drainage liquid being linked into gearbox and 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 direct oil return box of fluid is leaked, 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 needs 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 enter metering through valve body radial hole and turn the secondary high-pressure chamber of stator, drive rotor is relative to fixed
Son rotates, 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, returns to fuel tank.
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, play a part of protecting hydraulic torque amplification generator.
The utility model has easier for installation, and structure is more compact, simplifies hydraulic circuit structure, reduces main frame
Cost, it is easy to adjust output torque, manipulates that bounce is small, the advantages that compatible excellent emergent manual steering.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
1. a kind of hydraulic torque generator, including the steering input shaft and torque output shaft at valve body both 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 turns stator pair and turns to the power transmission shaft of input shaft；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 control oil stream liquid direction is formed 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 leakage is provided with 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 |
|---|---|---|---|
| CN201720673739.8U CN206988397U (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673739.8U CN206988397U (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988397U true CN206988397U (en) | 2018-02-09 |
Family
ID=61395247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720673739.8U Expired - Fee Related CN206988397U (en) | 2017-06-12 | 2017-06-12 | A kind of hydraulic torque generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314092A (en) * | 2017-06-12 | 2017-11-03 | 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 CN201720673739.8U patent/CN206988397U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314092A (en) * | 2017-06-12 | 2017-11-03 | 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20210612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |