CN104842785A - Four-wheel drive travelling machine driven by four hydraulic motors - Google Patents
Four-wheel drive travelling machine driven by four hydraulic motors Download PDFInfo
- Publication number
- CN104842785A CN104842785A CN201310608601.6A CN201310608601A CN104842785A CN 104842785 A CN104842785 A CN 104842785A CN 201310608601 A CN201310608601 A CN 201310608601A CN 104842785 A CN104842785 A CN 104842785A
- Authority
- CN
- China
- Prior art keywords
- wheel
- wheel drive
- walking machine
- hydraulic motor
- power
- 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
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The present invention discloses a four-wheel drive travelling machine driven by four hydraulic motors. The four-wheel drive travelling machine is characterized in that oil circuits of hydraulic motors for driving a pair of wheels among front wheels or rear wheels are opened and closed by a hydraulic valve, and clutches are disposed between the hydraulic motors and the wheels driven thereby, and thus the four-wheel drive travelling machine is changed into two-wheel drive travelling machine through operation. The four-wheel drive travelling machine driven by the four hydraulic motors has advantages of four-wheel drive, and also the ferry speed of the travelling machine can be raised without raising the power supply ability of pumps.
Description
Technical field
The present invention relates to various walking machine, especially the Work machine such as rice transplanter, fortune seedling car, distribution vehicle, it is the solution taking into account the economy of tractive force and high-speed row and then proposition for the walking machine of four fluid motor-driven four-wheels proposes.
Background technology
With the four wheel drive walking machine of four fluid motor-driven, no doubt its advantage is had: system architecture is simple, adopt standardized component, make detective, avoid front, back axle, the aspects such as change speed gear box drop into particular manufacturing craft, the equipments such as specialized equipment, and Awaiting Parts is easy to get but owing to eliminating change speed gear box, for meeting tractive force limit and maximum travel speed, the power that the fluid power system of walking machine must be made to provide is greater than the product of the former two and configures larger, in addition, the actual speed that the speed capability of taking turns the HM Hydraulic Motor of advancing for Direct driver is taken turns limit, can not make full use of, and owing to being directly connected with wheel, the volume of HM Hydraulic Motor itself makes the ground Clearance of machinery not high enough.
Summary of the invention
For the problems referred to above, the invention discloses a set of solution.
Four wheel drive walking machine by four fluid motor-driven disclosed by the invention, is characterized in that, drives the HM Hydraulic Motor of taking turns for a pair in front-wheel or trailing wheel, with its oil circuit of hydraulic valve break-make.
The walking machine of above-mentioned four wheel drive, is characterized in that, by the HM Hydraulic Motor of described hydraulic valve break-make oil circuit, and between its wheel driven, is provided with power-transfer clutch, its messenger chain of clutch.
One of scheme that can adopt is, the walking machine of above-mentioned four wheel drive, is characterized in that, described power-transfer clutch from, close the switching of state, realized by the forward and back action of an oil cylinder.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, described hydraulic valve matches with the state of power-transfer clutch, and when hydraulic valve makes oil circuit lead to, power-transfer clutch is in conjunction state; When hydraulic valve makes oil circuit disconnect, power-transfer clutch is in released state.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, described hydraulic valve is hand change over valve, its operating handle is connected with the steering unit of described power-transfer clutch simultaneously, when this operating handle manipulation hand change over valve is in oil circuit disconnection position, also operates the clutch and is in released state; And bar handle change-over valve be in oil circuit be communicated with position time, then operate the clutch be in close connect state.
Adopt the part or some in such scheme, four wheel drive can be made to switch to two wheel drive, four wheel drive is used to meet tractive force limit and other related request, again can be when needed, the flow provided by pump only supplies wherein two HM Hydraulic Motor and improve its rotating speed, achieve raising maximum travel speed, thus reduce the allocating power of walking fluid power system.
Present invention also offers following scheme: the four wheel drive walking machine of described four fluid motor-driven, is characterized in that, the part of four HM Hydraulic Motor or entirety, by difference ground-engaging wheel after a pair gear or sprocket wheel reduction of speed.Like this, the HM Hydraulic Motor compared with small displacement or lower moment of torsion grade can be adopted, also improve the actual operating speed at work of HM Hydraulic Motor simultaneously, take full advantage of the speed ability of HM Hydraulic Motor, thus reduce cost.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, a pair in its front-wheel or trailing wheel and reducing gear (or sprocket wheel) right, be arranged on a support, this support and vehicle frame form revolute pair.Like this, ensure that the oscillating function of support easily, four-wheel is fully landed, balancedly share machine and weigh and tractive force.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, its front-wheel or trailing wheel, or allly takes turns, and realizes reduction of speed rear drive by HM Hydraulic Motor by a pair bevel gear.Like this, HM Hydraulic Motor just can be made to be contained on wheel shaft, to improve the ground Clearance of equipment.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, the axis of the steering shaft of the wheel flutter in described four-wheel overlaps with hydraulic motor output shaft line of centers.Like this, structure &processes can be made to simplify, reduce this structure simultaneously and take up room, effectively increase the ground Clearance.
Reasonable, the walking machine of above-mentioned four wheel drive, is characterized in that, the axis extended line of described steering shaft and ground intersection point, is in the center in wheel kiss the earth region.Like this, driving torque steering shaft being turned to minimizes.
Accompanying drawing explanation
Below, with reference to accompanying drawing, for those skilled in the art, from detailed description of the present invention, above and other object of the present invention, feature and advantage will be apparent.
Fig. 1 is the key diagram of one embodiment of the invention.
Fig. 2 is the dependency structure sketch of a wheel flutter in one embodiment of the invention.
Detailed description of the invention
With reference to Fig. 1, this is one embodiment of the invention key diagram.
Four HM Hydraulic Motor 1.1,1.2,1.3,1.4 to be advanced use for driving four wheels.Work as A
1, A
2when entering high pressure oil, B
1, B
2mouth returns low pressure oil, and four HM Hydraulic Motor are rotated, and drive wheel advances, and works as B
1, B
2when entering high pressure oil, A
1, A
2mouth returns low pressure oil, and four HM Hydraulic Motor are rotated in the opposite direction, and drive wheel retreats; A pair HM Hydraulic Motor 1.3,1.4, Ge You mono-road in-line (or oil return line) in above-mentioned HM Hydraulic Motor controls switching by hydraulic valve 2, and in the messenger chain of this HM Hydraulic Motor and wheel, is equipped with power-transfer clutch 3, its messenger chain of clutch.Diagram hydraulic valve state is oil circuit connected state, so four HM Hydraulic Motor all can be rotated by fuel feeding, and even state is closed at power-transfer clutch 3 place, so four wheels are all driven; Change hydraulic valve state, oil circuit can be made to block, now, HM Hydraulic Motor 1.3,1.4 can not be rotated by fuel feeding, but now, clutch state is in released state, wheel still can freely be driven by walking machine, and not by the constraint of 1.3,1.4 motors, the oil stream that now pumping source provides only supply 1.1,1.2 motors, and make its faster rotational speed, therefore, achieve the transformation of four wheel drive to two wheel drive, under this makes non-operating condition (not high tractive force state), improve the rotating speed of wheel, be equivalent to the change speed gear box of hydraulic pressure.If (it should be pointed out that different from diagram, is HM Hydraulic Motor 1.1,1.2, Ge You mono-road in-line (or oil return line) controls switching by hydraulic valve 2, and in the messenger chain of this HM Hydraulic Motor and wheel, is equipped with power-transfer clutch 3, its messenger chain of clutch, also meets the principle that the present invention discloses; If or different from diagram, be HM Hydraulic Motor 1.1 be right wheel-drive motor, and HM Hydraulic Motor 1.2 be revolver CD-ROM drive motor, also meets the principle of the present invention's announcement.）
Diagram valve is hand change over valve, and during owing to switching in advancing, the experience that hand change over valve can provide handle position to change speed and speed of a motor vehicle handoff relation is felt, cost is also low, therefore should be preferably.Obviously easily realize: handle is connected with clutch operation, the conjunction operated the clutch by the mode such as pull bar or bracing wire or the conversion from state, when making operating handle manipulation hand change over valve be in oil circuit connection position, also operate the clutch and be in the company's of conjunction state; And operating handle is handled hand change over valve and is in when making oil circuit disconnect, also operate the clutch and be in released state.The adjustable length of pull bar (or bracing wire), makes the cooperation of the two easily reach satisfied effect.
Certainly, power-transfer clutch also can otherwise its state of controller, such as, realize the transformation of its state with the forward and back action of an oil cylinder.Can be that, when spring works, power-transfer clutch place closes and connects state, when oil cylinder is to pressure oil, its piston and then overcome spring pressure, makes power-transfer clutch convert released state to, when being shed by the pressure oil of oil cylinder, spring promotes piston and is discharged by the oil of oil cylinder, makes power-transfer clutch recover the company's of conjunction state.Like this, giving and letting out coordinating of two kinds of states by hydraulic control motor oil circuit on-off valve and oil cylinder working-pressure oil, can realize the switching of above-mentioned four wheel drive and two wheel drive equally.
Graphic HM Hydraulic Motor 1.3,1.4, reduction of speed eventually through a pair gear pair carrys out ground-engaging wheel, this can reduce costs because this make to select discharge capacity is less or output torque is less thus HM Hydraulic Motor inexpensively realize need the occasion of larger driving torque; And usually operation time, the rotating speed of the drive wheel of walking machine again can not be too high, and this mode also makes the speed capability of HM Hydraulic Motor obtain to utilize more fully.
Especially, here the reduction of speed of bevel gear pair has been used, HM Hydraulic Motor can be made to be arranged on the top of drive wheel, and greatly increase the terrain clearance of machine, this is to equipment such as distribution vehicles, has accomplished two to obtain at one stroke, has both obtained the higher terrain clearance of machine, again need only selection of small specification HM Hydraulic Motor and reduce productive costs, very economical, effective.
Fig. 1 example is only an embodiment, and in fact, embodiment is not limited to bevel gear pair, can be other gear or chain wheel pair.
In addition, can have in embodiment: by a pair in front-wheel or trailing wheel and reducing gear pair thereof, be arranged on a support, this support and vehicle frame form revolute pair.Power conveying due to HM Hydraulic Motor gives by hydraulic hose and associates without direct rigidity with the messenger chain of driving engine, so easily realize, this is apparent.Like this, just still ensure that recumbently, balancedly can carrying and share tractive force of four-wheel.
With reference to Fig. 2, this is the dependency structure sketch of a wheel flutter in one embodiment of the invention.In gear case 1, there is bevel gear 2 and 3; Bevel gear 2 is fixedly connected on axle 4, and this axle 4 is bearing in gear case 1 by bearing, and stretches out outside gear case 1 through shaft seal, fixedly connected with wheel flutter 5; Gear 2 is by umbrella tooth 3 deceleration, the axle of umbrella tooth 3 is connected with the output shaft of HM Hydraulic Motor 7 by long shaft coupling 6, tubular shell 8 is equipped with flange 9 to fix with the flange of HM Hydraulic Motor, under have terminal port flange Joint on flange and gear case 1, long shaft coupling 6 is within tubular shell 8.Tubular shell 8 itself, also as the steering shaft of wheel flutter, like this, easily accomplishes that the steering shaft of wheel flutter overlaps with hydraulic motor output shaft line of centers.This tubular shell 8(and steering shaft) form revolute pair with steering column jacket 10, steering column jacket solid welding is on support 11, and support and vehicle frame form revolute pair by holder pivots axle 12; The load of vehicle frame is delivered on support by holder pivots axle, further by the surface bearing 13 under steering column jacket 10, then is delivered in the shoulder plane of tubular shell 8, then is passed to gear case 1 by tubular shell 8, then be passed on steering shaft 5 by axle 4.
Reflect in the drawings: the axis extended line and the ground intersection point that make wheel flutter 8, be in the center in wheel kiss the earth region, when making steering hardware drive steering shaft to rotate, moment of torsion is little.(be the outstanding main points that will illustrate, in Fig. 2, omit the normal constituents such as some bearing, shaft seal, standard fasteners)
Provide the description to preferred embodiment above, can use to make any technical personnel in this area or utilize the present invention.The various amendments of these embodiments are evident for personnel skilled in the art, total principle described here can be applied to other embodiment and use creativeness.Thus, the embodiment shown in the present invention will be not limited to here, and should according to the most wide region meeting disclosed principle and new feature here.
Claims (10)
1. a walking machine for four wheel drive, its four-wheel, respectively by four fluid motor-driven, is characterized in that, drives the HM Hydraulic Motor of taking turns for a pair in front-wheel or trailing wheel, with its oil circuit of hydraulic valve break-make.
2. the walking machine of four wheel drive according to claim 1, is characterized in that, by the HM Hydraulic Motor of described hydraulic valve break-make oil circuit, and between its wheel driven, is provided with power-transfer clutch, its messenger chain of clutch.
3. the walking machine of four wheel drive according to claim 1, is characterized in that, described power-transfer clutch from, close the switching of state, realized by the moving back and forth of an oil cylinder.
4. the walking machine of the four wheel drive described in claim 1 and 2, is characterized in that, described hydraulic valve matches with the state of power-transfer clutch, and when hydraulic valve makes oil circuit lead to, power-transfer clutch is in conjunction state; When hydraulic valve makes oil circuit disconnect, power-transfer clutch is in released state.
5. the walking machine of the four wheel drive described in claim 1 and 2, it is characterized in that, described hydraulic valve is hand change over valve, and its operating handle is connected with the steering unit of described power-transfer clutch simultaneously, when this operating handle manipulation hand change over valve is in oil circuit connection position, also operates the clutch and be in the company's of conjunction state; And bar handle change-over valve be in oil circuit disconnect position time, then operate the clutch and be in released state.
6. a walking machine for four wheel drive, its four-wheel, respectively by four fluid motor-driven, is characterized in that, the part of four HM Hydraulic Motor or entirety, by difference ground-engaging wheel after a pair gear or sprocket wheel reduction of speed.
7. the walking machine of four wheel drive according to claim 6, is characterized in that, a pair in its front-wheel or trailing wheel and reducing gear (or sprocket wheel) right, be arranged on a support, this support and vehicle frame form revolute pair.
8. the walking machine of four wheel drive according to claim 6, is characterized in that, its front-wheel or trailing wheel, or allly takes turns, and realizes reduction of speed rear drive by HM Hydraulic Motor by a pair bevel gear.
9. the walking machine of four wheel drive according to claim 7, is characterized in that, the axis of the steering shaft of the wheel flutter in described four-wheel overlaps with hydraulic motor output shaft line of centers.
10. the walking machine of four wheel drive according to claim 8, is characterized in that, the axis extended line of described steering shaft and ground intersection point, is in the center in wheel kiss the earth region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608601.6A CN104842785A (en) | 2013-11-25 | 2013-11-25 | Four-wheel drive travelling machine driven by four hydraulic motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608601.6A CN104842785A (en) | 2013-11-25 | 2013-11-25 | Four-wheel drive travelling machine driven by four hydraulic motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104842785A true CN104842785A (en) | 2015-08-19 |
Family
ID=53842914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310608601.6A Pending CN104842785A (en) | 2013-11-25 | 2013-11-25 | Four-wheel drive travelling machine driven by four hydraulic motors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104842785A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298959A (en) * | 2015-12-01 | 2016-02-03 | 淮阴工学院 | Hydraulic drive system for seedling conveying machines for paddy fields |
| CN106120612A (en) * | 2016-08-19 | 2016-11-16 | 京东方科技集团股份有限公司 | Guardrail equipment, fence sytsem, the progress control method of guardrail equipment and device |
| CN106994898A (en) * | 2017-04-17 | 2017-08-01 | 和县农坛机械厂 | A kind of hydraulic travel system of fertilization pesticide spraying agricultural machinery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0916544A1 (en) * | 1996-07-31 | 1999-05-19 | Komatsu Ltd. | Two-wheel/four-wheel driving hydraulic travelling apparatus of vehicle and driving switching method |
| JP2000198363A (en) * | 1999-01-08 | 2000-07-18 | Sumitomo Eaton Hydraulics Co Ltd | Hydraulic four-wheel drive system |
| CN1354103A (en) * | 2000-11-17 | 2002-06-19 | 沙厄-丹福丝股份有限公司 | Electronic pull-in control system |
| CN101181871A (en) * | 2007-12-04 | 2008-05-21 | 镇江华晨华通路面机械有限公司 | Engineering machinery hydraulic-drive running system |
-
2013
- 2013-11-25 CN CN201310608601.6A patent/CN104842785A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0916544A1 (en) * | 1996-07-31 | 1999-05-19 | Komatsu Ltd. | Two-wheel/four-wheel driving hydraulic travelling apparatus of vehicle and driving switching method |
| JP2000198363A (en) * | 1999-01-08 | 2000-07-18 | Sumitomo Eaton Hydraulics Co Ltd | Hydraulic four-wheel drive system |
| CN1354103A (en) * | 2000-11-17 | 2002-06-19 | 沙厄-丹福丝股份有限公司 | Electronic pull-in control system |
| CN101181871A (en) * | 2007-12-04 | 2008-05-21 | 镇江华晨华通路面机械有限公司 | Engineering machinery hydraulic-drive running system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298959A (en) * | 2015-12-01 | 2016-02-03 | 淮阴工学院 | Hydraulic drive system for seedling conveying machines for paddy fields |
| CN106120612A (en) * | 2016-08-19 | 2016-11-16 | 京东方科技集团股份有限公司 | Guardrail equipment, fence sytsem, the progress control method of guardrail equipment and device |
| CN106994898A (en) * | 2017-04-17 | 2017-08-01 | 和县农坛机械厂 | A kind of hydraulic travel system of fertilization pesticide spraying agricultural machinery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102216196B (en) | Combined forklift truck and automobile having simultaneous operating function | |
| US20060197375A1 (en) | Hydraulic hybrid four wheel drive | |
| CN202180752U (en) | Full-hydraulic four-wheel drive high-installed multifunctional paddy field motor vehicle | |
| CN104686083A (en) | Two-gear four-wheel hydraulic stepless variable drive axle assembly for harvester | |
| CN201124757Y (en) | Full hydraulic drive loading type tractor | |
| CN102285384A (en) | Multifunctional articulated tractor | |
| CN103434389A (en) | Tracked vehicle electric driving device with straight driving power-assisted mechanism | |
| CN104842785A (en) | Four-wheel drive travelling machine driven by four hydraulic motors | |
| CN204341183U (en) | A kind of single motor drives differential steering device | |
| CN202743055U (en) | Hinged type transport tractor with front wheel hydraulic drive and back wheel mechanical drive | |
| CN201980082U (en) | Hydraulically-driven walking device of maize harvesting machine | |
| CN204217492U (en) | Grain header two grades of four wheel drive hydraulic stepless speed change driving axis | |
| CN206306839U (en) | A kind of aerial work platform four-wheel-driven control system | |
| CN102090219A (en) | Hydraulic drive traveling device for maize harvesting machine | |
| CN104129291A (en) | Tractor | |
| CN104149609A (en) | Tractor | |
| CN109319693B (en) | Hydrostatic lift truck chassis and three-wheel foklift truck with it | |
| CN102326483B (en) | Rear-wheel hydraulic driving system of combined harvester | |
| JP2011121460A (en) | Traveling device of working vehicle | |
| CN207809063U (en) | The all-hydraulic four-wheel drive running gear of snow sweeper | |
| CN202635106U (en) | All-wheel-drive reed harvester | |
| CN109484167A (en) | A kind of power-transmission system of a11wheel drive amphibious vehicle ship | |
| CN204020561U (en) | Trac. | |
| CN209208861U (en) | A kind of big-powered tractor | |
| CN205033940U (en) | Tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |