CN207589549U - A kind of maize harvesting machine four-wheel hydraulic driving device - Google Patents
A kind of maize harvesting machine four-wheel hydraulic driving device Download PDFInfo
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- CN207589549U CN207589549U CN201721519665.9U CN201721519665U CN207589549U CN 207589549 U CN207589549 U CN 207589549U CN 201721519665 U CN201721519665 U CN 201721519665U CN 207589549 U CN207589549 U CN 207589549U
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Abstract
The utility model discloses a kind of maize harvesting machine four-wheel hydraulic driving device, maize harvesting machine includes rack, front driving axle, rear driving axle, and front driving axle and rear driving axle are separately mounted in rack；Four-wheel hydraulic driving device uses hydrostatic drive system, and hydrostatic drive system includes oil pump, manipulation regulating device and motor, oil pump and connect by oil pipe with motor, manipulate regulating device and connect by flexible axle with oil pump, manipulates regulating device and be mounted in rack；Motor includes hydraulic quantitative motor and hydraulic variable motor, and hydraulic quantitative motor is connect with front driving axle, and hydraulic variable motor is connect with rear driving axle；Switch button for controlling hydraulic variable motor is installed in rack；Machine different road surface 4 wheel drivens and two traveling needs driven between field and highway are met, also ensure safety；Meanwhile it ensure that the length that the service life of vehicle compares.
Description
Technical field
The utility model is related to maize harvesting machine field, more particularly to a kind of maize harvesting machine four-wheel hydraulic is driven
Dynamic device.
Background technology
Existing maize harvesting machine is substantially Mechanical Driven type maize harvesting machine, and the type maize harvesting machine is in hillside fields, miriness
When plot, sand ground and snowfield operation, often reducing operating speed when being short of power can not even fulfil assignment, and especially exist
The larger region of the Changes in weather such as northeast Inner Mongol, the time more than rainwater can cause big due to maize harvesting machine works in which can not descend
Measure economic loss；The maize harvesting machine in China, which is substantially all, at present is using traditional machine driving running gear, most
Or two-wheel drive pattern, two-wheel drive keep off system complex, easy break-down, driving force point caused by gearbox using machinery two
With the shortcomings of uneven, driving adhesive force is insufficient, in the actual use of driving conditions, very big fatigue can be caused to driver, together
When due to being that two-wheel drive will also result in the difficulty in walking on wet, weak soil plot, it is serious to have skidded phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of maize harvesting machine four-wheel hydraulic driving device, and which solve two-wheel drives
The problem of system complex caused by gearbox is kept off using machinery two, it is big, high degree of automation with reasonable design, tractive force
Advantage.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of maize harvesting machine four-wheel hydraulic driving device, maize harvesting machine include rack, front driving axle, rear driving axle,
Front driving axle and rear driving axle are separately mounted in rack；
Four-wheel hydraulic driving device uses hydrostatic drive system, and hydrostatic drive system includes oil pump, manipulates adjusting dress
It puts and motor, oil pump is connect by oil pipe pipeline with motor, manipulate regulating device and connect by flexible axle with oil pump, manipulate and adjust dress
It puts in rack；
Motor includes hydraulic quantitative motor and hydraulic variable motor, and hydraulic quantitative motor is connect with front driving axle, and hydraulic pressure becomes
Amount motor is connect with rear driving axle；
Switch button for controlling hydraulic variable motor is installed in rack.
Using above-mentioned technical proposal, when in use, engine start, driven by engine operation of oil pump, oil pump control hydraulic pressure
Fixed displacement motor, hydraulic quantitative motor realize front-wheel drive, operating personnel, which press, to be used for by front driving axle driving front vehicle wheel rotation
The switch button of hydraulic variable motor is controlled, switch button controls the solenoid valve inside hydraulic variable motor, solenoid valve control liquid
Pressure variable amount motor, hydraulic variable motor driving rear driving axle, rear driving axle driving trailing wheel, so that trailing wheel also has driving energy
Power, so as to fulfill the four-wheel drive of cropper, the increase of four-wheel drive tractive force, entire machine power increase, in hillside fields, miriness
Plot, sand ground and snowfield walking, will not skid.
It manipulates the oil mass of regulating device control oil pump output and then realizes variable speed, while oil pump quantifies horse with hydraulic pressure
It reaches, only need to realize drive connection using two oil pipes between oil pump and hydraulic variable motor, driven Design is simply square
Just.
It with hydraulic oil is working media passing power and the hydraulic drive controlled to be in present design, hydraulic work
Rate is transmitted by the pressure and flow of liquid, volume hydraulic transmission be using in sealed volume by the liquid of static pressure come
Passing power, it is characterized in that the small pressure of flow is big, it therefore, often will be referred to as hydrostatic with the hydraulic system of high pressure oil passing power
Transmission.
Hydrostatic drive is exactly oil pump to be driven to be converted to hydraulic energy the mechanical energy of engine, and the high pressure liquid of oil pump output
Body enters hydraulic quantitative motor and hydraulic variable motor through manipulating regulating device, and hydraulic energy is converted to mechanical energy again, is made
A kind of type of drive that wheel rotates.
The design structure reasonable installation is convenient, and oil pump is connect with motor by oil pipe, since oil pipe is very soft in itself, forms one
Kind Flexible Transmission so that topology layout is flexible and convenient.
The major advantage of hydrostatic drives is to conveniently realize variable speed, and speed is more larger than variation range,
It manipulates simply, and practicable sternway, braking.
It is used cooperatively within the system using oil pump with hydraulic quantitative motor and hydraulic variable motor, dress is adjusted by manipulating
Put the functions such as the walking to realize cropper, parking.
Further preferably：Oil pump uses axial variable displacement plunger pump.
Using above-mentioned technical proposal, oil pump uses axial variable displacement plunger pump, because the pump configuration is compact, discharge capacity is variable, work
Make pressure and transmission efficiency is all higher, long working life.
Further preferably：Gearbox is driven before being equipped on front driving axle, speed change is driven after being equipped on rear driving axle
Case, preceding driving gearbox are divided into two grades of high speed and low speed.
Using above-mentioned technical proposal, reduced using bottom gear speed so that maize harvesting machine can walk on road；It adopts
Increased with top gear speed so that maize harvesting machine is walked in the enterprising every trade of highway.
Further preferably：It manipulates regulating device and includes control stick, forward gear and backward gear, the control stick connects with oil pump
It connects.
Using above-mentioned technical proposal, control stick is pulled forward, and driven by engine operation of oil pump generates high pressure oil and enters at this time
Hydraulic quantitative motor is advanced forward by front gear box driving wheel rotation, machine.
When pulling control stick backward, the swash plate inclination angle reversion in oil pump, the high pressure oil driving hydraulic pressure generated quantifies
Motor, which reversely rotates, drives front gear box driving wheel also to invert, and realizes car-backing function.
Further preferably：Hydrostatic drive system is equipped with hydraulic closed-circuit, and four-wheel hydraulic driving device further includes row
Hydraulic oil container is walked, walking hydraulic oil container is connect by oil pipe with oil pump, and oil pump is connect with hydraulic variable motor.
Using above-mentioned technical proposal, the oil circuit of four-wheel hydraulic driving device belongs to hydraulic closed and returns inside maize harvesting machine
Road, itself has hydraulic braking function.
Hydraulic oil container walk mainly to entire pipeline fuel feeding, by entire pipeline full of oil, restarts whole device, entirely
Device, which starts, drives pump start, and the hydraulic oil of oil pump comes out from oil outlet, starts fixed displacement motor into fixed displacement motor oil inlet,
Hydraulic oil in fixed displacement motor comes out the oil inlet for returning oil pump from oil outlet.
Further preferably：It is connected between engine and oil pump by belt drive unit.
Above-mentioned technical proposal is used, if during the load excessive of entire car, belt will appear the skidding imagination, can be fine
Protection oil pump, so as to extend the service life of oil pump, reduce the failure rate of oil pump.
Further preferably：Solenoid valve is installed, solenoid valve is connect by oil pipe with oil pump inside hydraulic variable motor.
Using above-mentioned technical proposal, the control of oil circuit between four-wheel drive and two-wheel drive can be realized by solenoid valve and turned
It changes, to adapt to the traveling on machine different road surfaces between field and highway.
Further preferably：Filter is provided on oil circuit.
Using above-mentioned technical proposal, filter crosses the impurity in oil strain so that fuel feeding is more unobstructed.
In conclusion the utility model has the advantages that：
Pass through engine, oil pump, hydraulic quantitative motor, front driving axle, front-wheel, hydraulic variable motor, rear driving axle trailing wheel
Cooperation, so i.e. meet machine between field and highway the 4 wheel driven on different road surfaces and two drive travel needs, also ensure peace
Entirely；Meanwhile it ensure that the length that the service life of vehicle compares.
Description of the drawings
Fig. 1 is the sectional view of the present embodiment whole device, illustrates the working condition of whole device；
Fig. 2 is the hydraulic schematic diagram of the present embodiment whole device, illustrates the hydraulic principle of whole device；
Fig. 3 is the present embodiment part pipeline scheme of installation, illustrates the connection status of closed circuit；
Fig. 4 is the schematic diagram of the present embodiment engine and oil pump, illustrates the attachment device between engine and oil pump.
In figure, 1, engine；2nd, oil pump；3rd, hydraulic quantitative motor；4th, hydraulic variable motor；5th, walking hydraulic oil container；6、
Front driving axle；7th, rear driving axle；8th, solenoid valve；9th, oil pipe；10th, belt drive unit；11st, filter；12nd, preceding driving speed change
Case；13rd, gearbox is driven afterwards；14th, control stick.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of maize harvesting machine four-wheel hydraulic driving device, maize harvesting machine includes rack, front driving axle
6th, rear driving axle 7, front driving axle 6 and rear driving axle 7 are separately mounted in rack；
Four-wheel hydraulic driving device uses hydrostatic drive system, and hydrostatic drive system includes manipulating regulating device, horse
The oil pump 2 for reaching and being arranged on engine 1, oil pump 2 are connect by oil pipe 9 with motor, are manipulated regulating device and are passed through flexible axle and oil
2 connection of pump, manipulates regulating device and is mounted in rack；
Motor includes hydraulic quantitative motor 3 and hydraulic variable motor 4, and hydraulic quantitative motor 3 is connect with front driving axle 6, liquid
Pressure variable amount motor 4 is connect with rear driving axle 7；
Switch button for controlling hydraulic variable motor 4 is installed in rack.
In use, engine 1 starts, and engine 1 drives oil pump 2 to work, and oil pump 2 controls hydraulic quantitative motor 3,
Hydraulic quantitative motor 3 drives front vehicle wheel rotation by front driving axle 6, realizes front-wheel drive, and operating personnel press to control liquid
The switch button of pressure variable amount motor 4, switch button control the solenoid valve 8 inside hydraulic variable motor 4, and solenoid valve 8 controls hydraulic pressure
Variable displacement motor 4, hydraulic variable motor 4 drive rear driving axle 7, and rear driving axle 7 drives trailing wheel, so that trailing wheel also has driving
Ability, so as to fulfill the four-wheel drive of cropper, the increase of four-wheel drive tractive force, entire machine driving force increase, in hillside fields, mud
Muddy plot, sand ground and snowfield walking, will not skid.
It manipulates the oil mass of 2 output of regulating device control oil pump and then realizes variable speed, while oil pump 2 quantifies horse with hydraulic pressure
Up to only needing to realize drives connection using two oil pipes 9 between 3, oil pump 2 and hydraulic variable motor 4, driven Design is simple
Folk prescription is just.
It with hydraulic oil is working media passing power and the hydraulic drive controlled to be in present design, hydraulic work
Rate is transmitted by the pressure and flow of liquid, volume hydraulic transmission be using in sealed volume by the liquid of static pressure come
Passing power, it is characterized in that the small pressure of flow is big, it therefore, often will be referred to as hydrostatic with the hydraulic system of high pressure oil passing power
Transmission.
Hydrostatic drive is exactly oil pump to be driven to be converted to hydraulic energy the mechanical energy of engine 1, and the high pressure of oil pump output
Liquid enters hydraulic quantitative motor 3 and hydraulic variable motor 4 through manipulating regulating device, and hydraulic energy is converted to machinery again
Can, a kind of type of drive that wheel is made to rotate.
The design structure reasonable installation is convenient, and oil pump 2 is connect with motor by oil pipe 9, since oil pipe 9 itself is very soft, shape
Into a kind of Flexible Transmission so that topology layout is flexible and convenient.
The major advantage of hydrostatic drives is to conveniently realize variable speed, and speed is more larger than variation range,
It manipulates simply, and practicable sternway, braking.
It is used cooperatively with hydraulic quantitative motor 3 and hydraulic variable motor 4 using oil pump, is adjusted by manipulating within the system
Device realizes the walking of cropper, the functions such as parking.
As shown in Figure 1, Figure 2 and Figure 3, oil pump 2 uses axial variable displacement plunger pump.
In use, oil pump 2 uses axial variable displacement plunger pump, because the pump configuration is compact, discharge capacity is variable, work pressure
Power and transmission efficiency are all higher, long working life.
As depicted in figs. 1 and 2, gearbox 12 is driven before being equipped on front driving axle 6, rear-guard is installed on rear driving axle 7
Dynamic gearbox 13, preceding driving gearbox 12 are divided to for two grades of high speed and low speed.
In use, reduced using bottom gear speed so that maize harvesting machine can walk on road；Using height
Fast notch speed degree increase, is conducive to maize harvesting machine and is walked in the enterprising every trade of highway.
As shown in Figure 1, manipulating regulating device includes control stick 14, forward gear and backward gear, control stick 14 connects with oil pump 2
It connects.
In use, control stick 14 is pulled forward, and engine 1 drives the work of oil pump 2 to generate high pressure oil and enters at this time
Hydraulic quantitative motor 3 drives wheel rotation by preceding driving gearbox 12, and machine is advanced forward.
When pulling control stick 14 backward, the swash plate inclination angle reversion in oil pump 2, the high pressure oil driving hydraulic pressure generated is determined
Amount motor 3, which reversely rotates, drives preceding driving gearbox 12 that wheel is driven also to invert, and realizes car-backing function.
As shown in Figures 2 and 3, hydrostatic drive system is equipped with hydraulic closed-circuit, and four-wheel hydraulic driving device further includes
Walking hydraulic oil container 5, walking hydraulic oil container 5 are connect by oil pipe 9 with oil pump 2, and oil pump 2 is connect with hydraulic variable motor 4.
In use, the oil circuit of four-wheel hydraulic driving device belongs to hydraulic closed-circuit inside maize harvesting machine,
Itself has hydraulic braking function.
Hydraulic oil container 5 walk mainly to entire pipeline fuel feeding, entire pipeline is full of oil, restarts whole device, it is whole
A device, which starts, drives oil pump 2 to start, and the hydraulic oil of oil pump 2 comes out from oil outlet, starts into 3 oil inlet of fixed displacement motor quantitative
Motor 3, the hydraulic oil in fixed displacement motor 3 come out the oil inlet for returning oil pump 2 from oil outlet.
As shown in figure 4, it is connected between engine 1 and oil pump 2 by belt drive unit 10.
In use, if during the load excessive of entire car, belt will appear the skidding imagination, can be very good to protect
Oil pump 2 is protected, so as to extend the service life of oil pump 2, reduces the failure rate of oil pump 2.
As shown in Fig. 2, be equipped with solenoid valve 8 inside hydraulic variable motor 4, solenoid valve 8 be mounted on hydraulic variable motor 4 with
On the oil pipe 9 of oil pump 2.
In use, conversion can be realized between four-wheel drive and two-wheel drive to the control of oil circuit by solenoid valve 8,
To adapt to the traveling on machine different road surfaces between field and highway.
As shown in Figure 1, Figure 2 and Figure 3, it is provided with filter 11 on oil pipe 9.
In use, filter 11 crosses the impurity in oil strain so that fuel feeding is more unobstructed.
Pass through engine 1, oil pump 2, hydraulic quantitative motor 3, front driving axle 6, front-wheel, hydraulic variable motor 4, rear driving axle
The cooperation of 7 trailing wheels meets the traveling needs on machine different road surfaces between field and highway, also ensures safety in this way；Together
When, it ensure that the length that the service life of vehicle compares.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as within the protection scope of the present utility model all protected by Patent Law.
Claims (8)
1. a kind of maize harvesting machine four-wheel hydraulic driving device, the maize harvesting machine includes rack, engine (1), preceding driving
Bridge (6), rear driving axle (7), the front driving axle (6) and rear driving axle (7) are separately mounted in rack, the engine (1)
Between front driving axle (6) and rear driving axle (7), it is characterised in that：The four-wheel hydraulic driving device is using hydrostatic
Drive system, the hydrostatic drive system include manipulating regulating device, motor and the oil pump (2) being arranged on engine (1),
The oil pump (2) is connect by oil pipe (9) with motor, and the manipulation regulating device is connect by flexible axle with oil pump (2), the behaviour
Vertical regulating device is mounted in rack；The motor includes hydraulic quantitative motor (3) and hydraulic variable motor (4), the hydraulic pressure
Fixed displacement motor (3) is connect with front driving axle (6), and the hydraulic variable motor (4) connect with rear driving axle (7)；In the rack
Switch button for controlling hydraulic variable motor (4) is installed.
2. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 1, it is characterised in that：The oil pump
(2) using axial variable displacement plunger pump.
3. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 2, it is characterised in that：It is driven before described
Gearbox (12) is driven before being equipped on bridge (6), driving gearbox (13) after being equipped on the rear driving axle (7), before described
Driving gearbox (12) is divided into two grades of high speed and low speed.
4. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 3, it is characterised in that：Described manipulate is adjusted
Regulating device includes control stick (14), forward gear and backward gear, and the control stick (14) connect with oil pump (2).
5. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 4, it is characterised in that：It is described hydrostatic
Drive system is equipped with hydraulic closed-circuit, and the four-wheel hydraulic driving device further includes walking hydraulic oil container (5), the walking liquid
Pressure oil case (5) is connect by oil pipe (9) with oil pump (2), and the oil pump (2) connect with hydraulic variable motor (4).
6. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 5, it is characterised in that：The engine
(1) it is connect between oil pump (2) by belt drive unit (10).
7. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 6, it is characterised in that：The hydraulic pressure becomes
Solenoid valve (8) is installed inside amount motor (4), the solenoid valve (8) is mounted on the hydraulic variable motor (4) and oil pump (2)
On the oil pipe (9) of connection.
8. a kind of maize harvesting machine four-wheel hydraulic driving device according to claim 7, it is characterised in that：The oil pipe
(9) filter (11) is provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519665.9U CN207589549U (en) | 2017-11-15 | 2017-11-15 | A kind of maize harvesting machine four-wheel hydraulic driving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519665.9U CN207589549U (en) | 2017-11-15 | 2017-11-15 | A kind of maize harvesting machine four-wheel hydraulic driving device |
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| Publication Number | Publication Date |
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| CN207589549U true CN207589549U (en) | 2018-07-10 |
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ID=62757699
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| CN201721519665.9U Active CN207589549U (en) | 2017-11-15 | 2017-11-15 | A kind of maize harvesting machine four-wheel hydraulic driving device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200098A (en) * | 2021-05-08 | 2021-08-03 | 郑州宇通重工有限公司 | Special equipment driving system |
-
2017
- 2017-11-15 CN CN201721519665.9U patent/CN207589549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200098A (en) * | 2021-05-08 | 2021-08-03 | 郑州宇通重工有限公司 | Special equipment driving system |
| CN113200098B (en) * | 2021-05-08 | 2022-03-15 | 郑州宇通重工有限公司 | Special equipment driving system |
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