CN108482115A - Hydraulic drive axle assembly - Google Patents
Hydraulic drive axle assembly Download PDFInfo
- Publication number
- CN108482115A CN108482115A CN201810481228.5A CN201810481228A CN108482115A CN 108482115 A CN108482115 A CN 108482115A CN 201810481228 A CN201810481228 A CN 201810481228A CN 108482115 A CN108482115 A CN 108482115A
- Authority
- CN
- China
- Prior art keywords
- hydraulic drive
- solenoid valve
- control
- variable pump
- fixed displacement
- 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.)
- Withdrawn
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 43
- 239000010720 hydraulic oil Substances 0.000 claims description 14
- 239000003921 oil Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
- B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/09—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by means for actuating valves
- B62D5/091—Hydraulic steer-by-wire systems, e.g. the valve being actuated by an electric motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The present invention proposes a kind of hydraulic drive axle assembly, including hydraulic drive unit and brake unit, the pressure sensor being connect with the brake unit, it is electrically connected with the pressure sensor to receive the controller of the brake signal, it can control the first solenoid valve of the hydraulic drive unit output displacement, first solenoid valve is electrically connected with the controller, so that the controller receives the brake signal and controls first solenoid valve, to control the output displacement of the hydraulic drive unit.By the way that the pressure sensor, the controller that are connect with brake unit is arranged, and the first solenoid valve being connect with pressure sensor, variable pump, overload when braking is effectively prevented, mechanical failure is prevented；By the setting of preceding bridge control valve and rear axle control valve, it can quickly switch forerunner, rear-guard and 4 wheel driven；Radial plunger piston motor has been used, it is relatively reliable, double acting steering cylinder is used, structure is simpler；It is provided with radiator, prevents system overheat.
Description
Technical field
The present invention relates to drive axle field more particularly to a kind of hydraulic ransaxle suitable for grain harvester combine are total
At.
Background technology
In recent years, the self-propelled four-wheel drive grain harvester combine market demand was vigorous.And existing self-propelled four-wheel drives
Dynamic grain harvester combine mostly uses traditional mechanical front driving axle and provides the mechanical rear-guard of power output by front driving axle
Steeraxle, and rare hydraulic drive axle assembly also often because operation when overload caused by the damage of mechanical part or hydraulic part
It is bad, and existing grain harvester combine cannot quickly switch forerunner, rear-guard or 4 wheel driven to be harvested when avoiding wheel-slip
Machine can not normal operation the case where.
Therefore, a kind of it is possible to prevente effectively from overload damage, be switched fast forerunner, rear-guard, 4 wheel driven hydraulic drive axle assembly
Those skilled in the art there is an urgent need to.
Invention content
Easily overload for existing hydraulic drive axle assembly damage the problem of, the present invention proposes a kind of it is possible to prevente effectively from super
Carry the hydraulic drive axle assembly of damage.
In order to achieve the above objectives, the technical scheme is that：
A kind of hydraulic drive axle assembly is used for grain harvester combine, including hydraulic drive unit and brake unit, also wraps
It includes and is connect with the brake unit to detect brake signal and send the pressure sensor of signal, it is electrical with the pressure sensor
Connection can control the first solenoid valve of the hydraulic drive unit output displacement, institute to receive the controller of the brake signal
It states the first solenoid valve to be electrically connected with the controller, so that the controller receives the brake signal and controls described first
Solenoid valve, to control the output displacement of the hydraulic drive unit.
Preferably, the hydraulic drive unit includes fixed displacement motor group, and the change being connect with the fixed displacement motor group
Amount pump, first solenoid valve are connect with the variable pump to control the discharge capacity of the variable pump.
Preferably, bridge control valve before further including, the fixed displacement motor group include quantitative before being connect with the variable pump
Motor, the preceding bridge control valve are used to control the connection and disconnection of the preceding fixed displacement motor and the variable pump.
Preferably, further include for controlling the preceding bridge control valve second solenoid valve, and with the second solenoid valve
The preceding bridge control switch being electrically connected.
Preferably, further include rear axle control valve, the fixed displacement motor group includes the preceding fixed displacement motor for driving front-wheel,
And the rear fixed displacement motor for driving trailing wheel, the rear axle control valve is for controlling the rear fixed displacement motor and the variable pump
Connection and disconnection.
Preferably, include third solenoid valve for controlling the rear axle control valve, and with the third solenoid valve
It is electrically connected and switch is controlled with the rear axle for controlling the third solenoid valve.
Preferably, the hydraulic drive unit includes preceding fixed displacement motor and rear fixed displacement motor, and the rear fixed displacement motor is equal
For radial plunger piston motor.
Preferably, further include double acting steering cylinder for controlling rear-axle steering.
Preferably, the hydraulic drive unit includes hydraulic oil container and variable pump, the hydraulic oil container and the variable
Pump is connected by fluid pressure line, is equipped with for reducing oil temperature in the fluid pressure line between the variable pump and the hydraulic oil container
Radiator.
Compared with prior art, beneficial effects of the present invention are：
The present invention is by being arranged the pressure sensor being connect with brake unit, controller and connecting with controller, variable pump
The solenoid valve connect overloads when effectively preventing braking, prevents mechanical failure；Pass through setting for preceding bridge control valve and rear axle control valve
It sets, can quickly switch forerunner, rear-guard and 4 wheel driven；Radial plunger piston motor has been used, it is relatively reliable, use double acting steering
Oil cylinder, structure are simpler；It is provided with radiator, prevents system overheat.
Description of the drawings
Fig. 1 is a kind of schematic diagram one of hydraulic drive axle assembly of the present invention；
Fig. 2 is the schematic diagram two of hydraulic drive axle assembly of the present invention.
In above each figure, 111, preceding fixed displacement motor；112, rear fixed displacement motor；12, variable pump；2, brake unit；3, pressure
Sensor；4, the first solenoid valve；5, controller；61, preceding bridge control valve；62, second solenoid valve；63, preceding bridge control switch；71、
Rear axle control valve；72, second solenoid valve；73, rear axle control switch；8, double acting steering cylinder；9, hydraulic oil container；10, it radiates
Device.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
In the description of the present invention, it should be noted that the instructions such as term "inner", "outside", "upper", "lower", "front", "rear"
Orientation or positional relationship be position relationship based on ... shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of instruction or hint meaning or element must have a particular orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " third " are used for description purposes only, and cannot manage
Solution is instruction or implies relative importance.
With reference to figure 1, a kind of hydraulic drive axle assembly is used for grain harvester combine, including hydraulic drive unit and braking
Unit 2 further includes being connect with the brake unit 2 to detect brake signal and send the pressure sensor 3 of signal, with the pressure
Force snesor 3 is electrically connected to receive the controller 5 of the brake signal, can control the hydraulic drive unit output displacement
First solenoid valve 4, first solenoid valve 4 is electrically connected with the controller 5, so that the controller 5 receives the braking
Signal simultaneously controls first solenoid valve 3, to control the output displacement of the hydraulic drive unit.
When brake unit 2 is braked, pressure sensor 3 detects pressure signal and is transmitted to the controller 5, the control
Device 5 controls the discharge capacity that first solenoid valve 4 is decreased or turned off the hydraulic drive unit, hydraulic pressure when effectively preventing braking
The overload of drive part, prevents mechanical failure.
The hydraulic drive unit includes fixed displacement motor component and variable pump 12, and the fixed displacement motor component includes preceding quantitative
Motor 111 and rear fixed displacement motor 112, are respectively used to driving front wheels and rear wheels, and the preceding fixed displacement motor 111 is axial columns Saimaa
It reaches, the rear fixed displacement motor 112 is radial plunger piston motor, using the radial plunger piston motor of low-speed big, makes speed change, transmission
Structure simplify, light weight, reliability improve, first solenoid valve 4 is connect with the variable pump 12, to control discharge capacity.
The hydraulic drive axle assembly includes multiple transmission shafts, for being connect with fixed displacement motor group with input and output power,
And be equipped with engaging sleeve and differential lock, so as to adjust output rotating speed and prevent unilateral wheel-slip.
Bridge control valve 61, the preceding bridge control valve before being connected between the variable pump 12 and the preceding fixed displacement motor 111
61 can control connecting or disconnecting for the variable pump 12 and the preceding fixed displacement motor 111, and liquid is exported to control variable pump 12
The flow direction of pressure oil.The preceding bridge control valve 61 is connected with the second solenoid valve 62 for controlling the preceding bridge control valve 61, described
Second solenoid valve 62 is electrically connected with preceding bridge control switch 63, can the preceding bridge control switch 63 be positioned over control room herein
It is interior, to facilitate control.
It is connected with rear axle control valve 71, the rear axle control valve between the variable pump 12 and the rear fixed displacement motor 112
71 can control the connection and disconnection between the variable pump 12 and the rear fixed displacement motor 112, rear axle control valve described herein
71 is in parallel with preceding bridge fixed displacement motor 111, and be connected to 12 delivery outlet of the variable pump by high-pressure oil pipe controls with the preceding bridge
Between valve 61, so as to fixed displacement motor 112 after individually controlling.The rear axle control valve 71 is connected with for controlling the rear axle control
The third solenoid valve 72 of valve 71, the third solenoid valve 72 are electrically connected with rear axle control switch 73, the rear axle control switch
73 are set in control room, to facilitate control.
By the setting of preceding bridge control valve 61 and rear axle control valve 71, its forerunner, rear-guard or 4 wheel driven can be controlled, it can be with
It is wider effectively to cope with front-wheel skidding, rear wheels slip or the hypodynamic situation of driving, the scope of application that various road conditions are brought.
The hydraulic drive axle assembly further includes the double acting steering cylinder for controlling rear-axle steering so that knuckle section
Structure it is simpler reliable.
With reference to figure 2, the variable pump 12 is connected with hydraulic oil container 9, by extracting the hydraulic oil in the hydraulic oil container 9 out
And preceding fixed displacement motor 111 and rear fixed displacement motor 112 is driven to rotate, and hydraulic oil oil temperature in continuous operation process is understood on constantly
It rises, is connected by fluid pressure line between the variable pump 12 and the hydraulic oil container 9, the variable pump 12 and the hydraulic oil container
The radiator 10 for reducing oil temperature in the fluid pressure line is equipped between 9, so as to control the temperature of hydraulic oil, effectively
Solves the problems, such as system overheat.
The present invention by be arranged connect with brake unit 2 pressure sensor 3, controller 5 and with controller 53, variable
The solenoid valve 4 of 12 connection of pump, overloads when effectively preventing braking, prevents mechanical failure；Pass through preceding bridge control valve 61 and rear axle
The setting of control valve 71 can quickly switch forerunner, rear-guard and 4 wheel driven；Radial plunger piston motor has been used, it is relatively reliable, it uses
Double acting steering cylinder 8, structure is simpler；It is provided with radiator 10, prevents system overheat.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but it is every without departing from technical solution of the present invention content, according to the technical essence of the invention
To any simple modification, equivalent variations and remodeling made by above example, the protection domain of technical solution of the present invention is still fallen within.
Claims (9)
1. a kind of hydraulic drive axle assembly is used for grain harvester combine, including hydraulic drive unit and brake unit, feature
It is：Further include being connect with the brake unit to detect brake signal and send the pressure sensor of signal, with the pressure
Sensor is electrically connected to receive the controller of the brake signal, can control the first of the hydraulic drive unit output displacement
Solenoid valve, first solenoid valve are electrically connected with the controller, so that the controller receives the brake signal and controls
First solenoid valve is made, to control the output displacement of the hydraulic drive unit.
2. hydraulic drive axle assembly according to claim 1, it is characterised in that：The hydraulic drive unit includes quantitative horse
Up to group, and the variable pump that is connect with the fixed displacement motor group, first solenoid valve are connect with the variable pump to control
State the discharge capacity of variable pump.
3. hydraulic drive axle assembly according to claim 2, it is characterised in that：Bridge control valve, described quantitative before further including
Groups of motors includes the preceding fixed displacement motor being connect with the variable pump, the preceding bridge control valve for control the preceding fixed displacement motor with
The connection and disconnection of the variable pump.
4. hydraulic-driven assembly according to claim 3, it is characterised in that：Further include for controlling the preceding bridge control valve
Second solenoid valve, and with the second solenoid valve be electrically connected preceding bridge control switch.
5. hydraulic drive axle assembly according to claim 2, it is characterised in that：Further include rear axle control valve, it is described quantitative
Groups of motors includes the preceding fixed displacement motor for driving front-wheel, and the rear fixed displacement motor for driving trailing wheel, the rear axle control
Valve is used to control the connection and disconnection of the rear fixed displacement motor and the variable pump.
6. hydraulic drive axle assembly according to claim 5, it is characterised in that：Including being used to control the rear axle control valve
Third solenoid valve, and with the third solenoid valve be electrically connected with control the third solenoid valve rear axle control switch.
7. hydraulic drive axle assembly according to claim 1, it is characterised in that：The hydraulic drive unit includes preceding quantitative
Motor and rear fixed displacement motor, the rear fixed displacement motor is radial plunger piston motor.
8. hydraulic drive axle assembly according to claim 1, it is characterised in that：Further include for controlling the double of rear-axle steering
Act on steering cylinder.
9. hydraulic drive axle assembly according to claim 1, it is characterised in that：The hydraulic drive unit includes hydraulic oil
Case and variable pump, the hydraulic oil container are connected with the variable pump by fluid pressure line, the variable pump and the hydraulic oil container
Between be equipped with for reducing oil temperature in the fluid pressure line radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481228.5A CN108482115A (en) | 2018-05-18 | 2018-05-18 | Hydraulic drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481228.5A CN108482115A (en) | 2018-05-18 | 2018-05-18 | Hydraulic drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108482115A true CN108482115A (en) | 2018-09-04 |
Family
ID=63353026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810481228.5A Withdrawn CN108482115A (en) | 2018-05-18 | 2018-05-18 | Hydraulic drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108482115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958543A (en) * | 2021-09-27 | 2022-01-21 | 太原重工股份有限公司 | Traveling mechanism control system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138762A (en) * | 1999-09-02 | 2001-05-22 | Toyota Autom Loom Works Ltd | Traveling drive device for industrial vehicle |
| CN101081596A (en) * | 2007-06-22 | 2007-12-05 | 哈尔滨工业大学 | Transmission system of double-bridge liquid-driving mixed power automobile |
| JP2013203377A (en) * | 2012-03-29 | 2013-10-07 | Kubota Corp | Vehicle |
| CN104686083A (en) * | 2014-10-27 | 2015-06-10 | 青岛科瑞特激光设备有限公司 | Two-gear four-wheel hydraulic stepless variable drive axle assembly for harvester |
| CN104691529A (en) * | 2014-01-23 | 2015-06-10 | 青岛科瑞特激光设备有限公司 | Travel brake electric hydraulic control device for hydraulic driving axle of self-propelled grain combine harvester |
| CN205276347U (en) * | 2015-12-31 | 2016-06-01 | 湖南三一路面机械有限公司 | Actuating system and leveler |
| CN208428959U (en) * | 2018-05-18 | 2019-01-25 | 青岛科瑞特激光设备有限公司 | Hydraulic drive axle assembly |
-
2018
- 2018-05-18 CN CN201810481228.5A patent/CN108482115A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138762A (en) * | 1999-09-02 | 2001-05-22 | Toyota Autom Loom Works Ltd | Traveling drive device for industrial vehicle |
| CN101081596A (en) * | 2007-06-22 | 2007-12-05 | 哈尔滨工业大学 | Transmission system of double-bridge liquid-driving mixed power automobile |
| JP2013203377A (en) * | 2012-03-29 | 2013-10-07 | Kubota Corp | Vehicle |
| CN104691529A (en) * | 2014-01-23 | 2015-06-10 | 青岛科瑞特激光设备有限公司 | Travel brake electric hydraulic control device for hydraulic driving axle of self-propelled grain combine harvester |
| CN104686083A (en) * | 2014-10-27 | 2015-06-10 | 青岛科瑞特激光设备有限公司 | Two-gear four-wheel hydraulic stepless variable drive axle assembly for harvester |
| CN205276347U (en) * | 2015-12-31 | 2016-06-01 | 湖南三一路面机械有限公司 | Actuating system and leveler |
| CN208428959U (en) * | 2018-05-18 | 2019-01-25 | 青岛科瑞特激光设备有限公司 | Hydraulic drive axle assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958543A (en) * | 2021-09-27 | 2022-01-21 | 太原重工股份有限公司 | Traveling mechanism control system and control method thereof |
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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 | ||
| CB02 | Change of applicant information |
Address after: Keruite Industrial Park, No. 496, Maoshan Road, Huangdao District, Qingdao, Shandong 266000 Applicant after: Qingdao Keruite Transmission Technology Co.,Ltd. Address before: Keruite Industrial Park, No. 496, Maoshan Road, Economic and Technological Development Zone, Qingdao, Shandong 266510 Applicant before: QINGDAO CREAT LASER EQUIPMENT CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180904 |
|
| WW01 | Invention patent application withdrawn after publication |