CN106900284A - Transmission case - Google Patents

Transmission case Download PDF

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Publication number
CN106900284A
CN106900284A CN201710197140.6A CN201710197140A CN106900284A CN 106900284 A CN106900284 A CN 106900284A CN 201710197140 A CN201710197140 A CN 201710197140A CN 106900284 A CN106900284 A CN 106900284A
Authority
CN
China
Prior art keywords
slide
control
chute
transmission
rotating 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.)
Granted
Application number
CN201710197140.6A
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Chinese (zh)
Other versions
CN106900284B (en
Inventor
章呈杰
陆利强
金卫星
张福祥
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Xingguang Agricultural Machine Co Ltd
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Xingguang Agricultural Machine Co Ltd
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Application filed by Xingguang Agricultural Machine Co Ltd filed Critical Xingguang Agricultural Machine Co Ltd
Priority to CN201710197140.6A priority Critical patent/CN106900284B/en
Publication of CN106900284A publication Critical patent/CN106900284A/en
Application granted granted Critical
Publication of CN106900284B publication Critical patent/CN106900284B/en
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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06Gearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H39/00Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/04Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/021Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)

Abstract

The present invention relates to a kind of transmission case, including the casing being made up of upper box lid and lower box, it is installed on the first driving control structure and the second driving control structure on upper box lid, it is arranged on transmission component drive connection speed Control input structure and controlled output structure in casing, transmission component drive connection course changing control input structure and controlled output structure;First driving control structure includes the first transmission control member, the first transmission control rotating shaft, and the second driving control structure includes the second transmission control member, the second transmission control rotating shaft;Speed Control input structure drives the first transmission control member and the second transmission control member to rotate identical angle around their own transmission control shaft, and the rotation direction of the first transmission control member is opposite with the rotation direction of the second transmission control member;When course changing control input structure can drive one of the first transmission control member and the second transmission control member around its transmission control axis of rotation, keep another transmission control member static.

Description

Transmission case
Technical field
The present invention relates to a kind of transmission case, more particularly to a kind of transmission system for crawler belt line harvester transmission Case.
Background technology
Crawler belt is larger compared with the area that is contacted with ground for wheel, unit area stress is small so that vehicle is difficult to sink, because This will not destroy plough sole, with good paddy field walking performance, therefore be widely used in farm machinery, such as harvester, Cultivator etc..Hydraulicdriven crawler-type harvester, its driving control system includes hydraulic pump.Hydraulic pump leans on engine driving, Fluid is sucked from hydraulic fluid tank, pressure oil is formed and is discharged and deliver to two motors of Athey wheel walking of control, so as to realize harvesting The travelling control of machine.Existing hydraulic drive crawler-type harvester, is turned by controlling two motors with identical rotating speed and direction It is dynamic, it is possible to achieve the front and rear walking of harvester;Rotated with different rotating speeds or different directions by controlling two motors, can Walked with the steering for realizing harvester.By the operation to hydraulic pump control plate, its output to the oil pressure of motor can be controlled, from And the rotating speed and steering of motor are controlled.The rotational angle of hydraulic pump control plate and direction can be controlled to motor: The rotation direction of hydraulic pump control plate accordingly controls the size of the rotation direction of motor, the rotational angle of hydraulic pump accordingly to control horse The rotating speed for reaching.
The hydraulic drive crawler-type harvester of prior art has following two kinds of control modes:
The first is single pole walking, double-rod steering control modes:Using an action bars simultaneously to two hydraulic pressure of motor of control Pump control panel is operable to control the advance or retrogressing of harvester;In addition using two action bars respectively to two horses of control The hydraulic pump control plate for reaching is operable to control the steering of harvester.
Second is single pole walking, single pole steering control modes:Using an action bars simultaneously to two motors of control Hydraulic pump control plate is operable to control the advance or retrogressing of harvester;In addition using an action bars respectively to control two The hydraulic pump control plate of individual motor is operable to control the steering of harvester.
Driver's handover operation between three action bars is needed under the first control mode, for only having driving for two hands Handling for the person of sailing is clearly very poor.
Constant speed can only be turned in situ under second control mode:Two Athey wheels are respectively with same speed, phase reversal Move realize turn to, and turn to terminate after Athey wheel can not return automatically to steering before travel speed, turning speed mistake Hurry up, than relatively hazardous, and driving experience.
The content of the invention
The present invention is proposed and proposes that one kind can realize single swinging boom harvester to solve above-mentioned technical problem, realizes two The transmission case of the transmission system that Athey wheel is turned with friction speed size.
A kind of transmission case, it is characterised in that:Including the casing being made up of upper box lid and lower box, the upper box lid is installed on On the first driving control structure and the second driving control structure, and be arranged on controlled output structure in the casing, become Fast control input structure, course changing control input structure, transmission component;The transmission component drive connection speed Control input Structure and the controlled output structure, transmission component drive connection the course changing control input structure and the controlled output Structure;First driving control structure includes the first transmission control member, is arranged on the of the first transmission control member end One transmission control rotating shaft, second driving control structure includes the second transmission control member, is arranged on the second transmission control Second transmission control rotating shaft of part end;The speed Control input structure can drive first transmission control member and described Second transmission control member rotates identical angle, and first transmission control member around their own transmission control shaft Rotation direction is opposite with the rotation direction of second transmission control member;The course changing control input structure can drive described When one of one transmission control member and second transmission control member are around its transmission control axis of rotation, another is kept Transmission control member is static.
Preferably, the controlled output structure includes the first sliding block, the first controlled output part, the second sliding block, the second control Output processed;The first transmission control rotating shaft is fixedly connected the first controlled output part through the upper box lid, and described the One sliding block is arranged on the end away from the described first transmission control rotating shaft of the first controlled output part;The second transmission control Rotating shaft processed is fixedly connected the second controlled output part through the upper box lid, and second sliding block is arranged on second control The end away from the described second transmission control rotating shaft of output;The transmission component includes the first chute, the second chute, described First sliding block is slidably mounted in first chute, and second sliding block is slidably mounted in second chute;The change Fast control input structure can drive first chute and second chute around their own center rotating identical Angle, and first chute is opposite with the rotation direction of second chute;The course changing control input structure can drive Dynamic one of first chute and second chute keep another chute static while moving along the first direction;And And cause that its corresponding controlled output part controls rotating shaft as axis rotation to sliding block to be driven with the mobile drive of chute;Described The line in the axle center of one axle center for being oriented parallel to the first transmission control rotating shaft and the second transmission control rotating shaft, it is described The line at the center of the center of the first chute and second chute is parallel with the first direction.
Preferably, first sliding block controls the distance between rotating shaft to be equal to the described second transmission with the described first transmission Control piece controls the distance between rotating shaft with the described second transmission.
Preferably, the speed Control input structure includes speed change rotating shaft, first be arranged in the speed change rotating shaft Coupling assembly and the second coupling assembly;First coupling assembly is connected with the end of first chute so that speed change rotating shaft First coupling assembly described in during rotation can promote first chute around its center in turning perpendicular to the speed change rotating shaft The rotation with surface of dynamic plane;Second coupling assembly is connected with the end of second chute so that speed change axis of rotation The coupling assemblies of Shi Suoshu second can promote second chute to be put down in the rotation perpendicular to the speed change rotating shaft around its center The rotation with surface in face.
Preferably, first coupling assembly include being co-axially located at the speed change rotary shaft it is outer and can with it is described First connecting seat of speed change rotating shaft synchronous axial system and the head rod being fixedly installed on first connecting seat;Described A connecting seat includes along the radially extend raised of the speed change rotating shaft, and one end of the head rod is connected to described convex Rise, the other end of the head rod is connected to the end of first chute;Second coupling assembly includes coaxially setting Put the speed change rotary shaft it is outer and can with the second connecting seat of the speed change rotating shaft synchronous axial system and be fixedly installed on The second connecting rod on second connecting seat;Second connecting seat is included along the radially extend convex of the speed change rotating shaft Rise, one end of second connecting rod is connected to the projection, and the other end of second connecting rod is connected to described second and slides The end of groove.
Preferably, the speed change rotating shaft is splined shaft, first connecting seat include for coordinate with splined shaft the One spline housing, second connecting seat includes the second spline housing for coordinating with the splined shaft.
Preferably, the course changing control input structure include tooth sector, for first chute is installed first Slide, second slide and slide control assembly for installing the chute, the center relatively described of first chute One slide is fixed, and relatively described second chute in center of second chute is fixed;The tooth sector is controlled with the slide Component is connected for controlling the first slide and the second slide close to each other along the first direction, and in phase One of slide remains stationary during being mutually close to.
Preferably, the slide control assembly includes locating part, slide control, the first slide and described second Slide is slidably mounted on the locating part, and the tooth sector is connected described for controlling with the slide control Slide control is moved along the first direction;The slide control includes that first slide control piece and second slide are controlled Part;When the slide control is moved along the first direction:The first slide control piece is contacted simultaneously with the first slide The second slide control piece is separated with the second slide so that the first slide is moved with the slide control; Or the first slide control piece separates the second slide control piece and the second slide simultaneously with the first slide Contact so that the second slide is moved with the slide control.
Preferably, the slide control includes the tooth bar set along the first direction;The tooth sector and institute State rack-driving connection;The first slide control piece is located at one end of the close described first slide of the tooth bar, described the Two slide control pieces are located at one end of the close described second slide of the tooth bar.
Preferably, the first slide includes the first slip control for coordinating with the first slide control piece Part, the second slide includes the second slide control for coordinating with the second slide control piece;Described first slides Control piece and second slide control are located between the first slide control piece and the second slide control piece.
Preferably, the transmission case also includes elastic recoil structure, the elastic recoil structure enables to described the One chute and second chute are located remotely from each other along the first direction.
Preferably, the elastic recoil structure includes the first return seat and the second return that are set along the first direction Seat, and it is arranged on the elastomeric element between the first return seat and second return seat along the first direction;It is described First return seat is fixedly connected the first slide, and the second return seat is fixedly connected the second slide.
Preferably, first sliding block is cylindrical slider, second sliding block is cylindrical slider.
Brief description of the drawings
Fig. 1 inactive state lower transmission system schematic diagrames.
Fig. 2 inactive state lower transmission case schematic diagrames.
Fig. 3 forward traveling lower transmission system schematic diagrames.
Fig. 4 forward traveling lower transmission case schematic diagrames.
Fig. 5 fallback state lower transmission system schematic diagrames.
Fig. 6 fallback state lower transmission case schematic diagrames.
Fig. 7 turn condition lower transmission system schematic diagrames.
Fig. 8 turn condition lower transmission case schematic diagrames.
Fig. 9 transmission case front views.
Figure 10 transmission case top views.
Figure 11 transmission case side views.
Figure 12 transmission case stereograms.
Drive mechanism schematic top plan view in Figure 13 transmission cases.
Drive mechanism schematic side view in Figure 14 transmission cases
Figure 15 is driven box cover drive mechanism schematic elevation view.
Specific embodiment
Embodiment one
As Fig. 9-15 show a kind of driving control system for hydraulicdriven crawler-type harvester.Including driving harvester The first Athey wheel the 1a of motor one, the 1b of motor two of the second Athey wheel, hydraulic pump 2, engine 3, the transmission that drive harvester Case 4, the speed change push rod 5 for controlling to be walked before and after harvester, the steering wheel operation bar 6 for controlling harvester to turn.
Hydraulic pump 2 is duplex hydraulic pump, and it leans on engine 3 to drive and fluid formation pressure oil two is sucked from hydraulic oil container Road is expelled to the 1a of the motor one and 1b of motor two respectively.Hydraulic pump 2 include the first pump control panel 2a of correspondence control motor one 1a and The second pump control panel 2b of correspondence control motor two 1b.First pump control panel 2a and the second pump control panel 2b are oppositely arranged on hydraulic pressure The top of pump 2, their one end is each provided with the rotating shaft being fixedly connected with the top of hydraulic pump so that two pump control panels can Each around end axis of rotation.Two pump control panels control motor one and motor by the angle and direction that it is rotated Two rotating speed and direction, and the control direction of two control panels is opposite.For example, the first pump control panel 2a in the present embodiment is inverse Hour hands rotate to an angle to control motor one to rotate forward, so as to control the first Athey wheel to be rotated forward with certain speed; First pump control panel 2a turns clockwise certain angle to control motor one to rotate backward, so as to control the first Athey wheel with certain Speed rotate backward;And the velocity of rotation of motor one, the velocity of rotation of the first Athey wheel with the rotation of the first pump control panel Gyration is directly proportional.Second pump control panel 2b turns clockwise certain angle to control motor two to rotate forward, so as to control Two Athey wheels are rotated forward with certain speed;Second pump control panel 2b rotate counterclockwises certain angle is controlling motor two reverse Rotate, so as to control the second Athey wheel to be rotated backward with certain speed;The rotation of the velocity of rotation of motor two, the second Athey wheel The anglec of rotation of the speed to the second pump control panel is directly proportional.
Transmission case 4 includes the casing that upper box lid 41 and lower box 42 are constituted, and is arranged on the transmission system in casing.Pass The side of dynamic case is provided with the first input interface 431 for being mounted and connected speed change push rod 5, and the another side of transmission case is provided with use In the second input interface 432 for being mounted and connected steering wheel operation bar 6, the top of upper box lid 41 is provided with corresponding to the first pump control panel 21 the first output interface 44a and the second output interface 44b corresponding to the second pump control panel 22.First output interface 44a First transmission control rotating shaft 711a is installed, the bearing holder (housing, cover) that the first transmission control rotating shaft 711a passes through to be arranged outside its interlude is installed In the first output interface 44a so that the first transmission control rotating shaft 711a can be rotated in the first output interface 44a.First One end of transmission control rotating shaft 711a is provided with the first transmission control panel 712a, and the other end of the first transmission control rotating shaft 711a is passed through The top surface of the end of first controlled output plate 722a of the upper box lid 41 and connection of transmission case in casing.Positioned at the first transmission The movable end of the first transmission control panel 712a of control rotating shaft 711a ends is connected to the first pump by rigid first connecting rod 8a The movable end of control panel 2a.The bottom surface of the other end of the first controlled output plate 772a is provided with one roughly cylindrical first and slides Block 721a so that the first sliding block 721a can drive the first transmission control rotating shaft 711a to turn by the first controlled output plate 722a It is dynamic, so as to drive the first transmission control panel 712a positioned at the first transmission control rotating shaft 711a other ends to turn with the first transmission control Axle 711a is axis rotation, progressive ground so that rotated by the way that first connecting rod 8a is corresponding with the first pump control panel 2a that it links Certain angle.Second output interface 44b is provided with the second transmission control rotating shaft 711b, the second transmission control rotating shaft 711b and passes through it The bearing holder (housing, cover) being arranged outside interlude is installed in the second output interface 44b so that the second transmission control rotating shaft 711b can be the Rotated in two output interface 44b.One end of second transmission control rotating shaft 711b is provided with the second transmission control panel 712b, the second transmission The other end of control rotating shaft 711b is through the upper box lid 41 of transmission case and connection is located at the second controlled output plate 722b in casing The top surface of end.Movable end positioned at the second transmission control panel 712b of the second transmission control rotating shaft 711b ends passes through rigid Second connecting rod 8b is connected to the movable end of the second pump control panel 2b.The bottom surface of the other end of the second controlled output plate 772a is provided with One roughly cylindrical second sliding block 721b so that the second sliding block 721b can drive the by the second controlled output plate 722b Two transmission control rotating shaft 711b are rotated, so as to drive the second transmission control panel positioned at the second transmission control rotating shaft 711b other ends With the second transmission, to control rotating shaft 711b be axis rotation to 712b, further so that the linked with it by second connecting rod 8b Two pump control panel 2b turn an angle accordingly.
There are two chutes in transmission case 4:First chute 751a and the second chute 751b, the first sliding block 721a are slidably mounted on In first chute 751a, the second sliding block 721b is slidably mounted in the second chute 751b.First chute 751a and the second chute The structure of 751b is identical, and respectively by first slide 741a and second slide 741b in transmission case.In transmission case 4 It is additionally provided with the locating part 7421 being horizontally installed in transmission case(It is shaft-like gag lever post in the present embodiment), first slide 741a and Second slide 741b is slidably connected with locating part 7421.Locating part 7421 is by two sports limitings of slide in the first output interface And on the second horizontal direction between output interface.The center of the first chute 751a is fixed on first slide 741a so that the One chute 751a can be with its center as axis rotation;The center of the second chute 751b is fixed on second slide 741b so that Second chute 751b can be with its center as axis rotation.
The side of locating part 7421 is provided with the speed change rotating shaft 731 parallel with locating part 7421, the excircle of speed change rotating shaft 731 It is socketed with the first connecting seat 7321a and the second connecting seat 7321b.The outer surface of speed change rotating shaft 731 along speed change rotating shaft length side To keyway is provided with, the inner surface of the first connecting seat 7321a and the second connecting seat 7321b is again provided with keyway, is set in speed change and turns The first connecting seat 7321a and the second connecting seat 7321b outside axle 731 can coordinate with speed change rotating shaft key so that the first connecting seat Can not only be moved along speed change rotating shaft with the second connecting seat and can follow speed change rotating shaft synchronous axial system.First connecting seat The surface perimeter of 7321a to form a projection 73211 along extending radially outwardly for speed change rotating shaft 731.First connecting seat 7321a and One chute 751a is connected by rigid head rod 7322a, and one end of head rod 7322a is fixed in the first connecting seat At raised the 73211 of 7321a, the other end of head rod 7322a is fixedly attached to the side of the first chute 751a ends.The The surface perimeter of two connecting seat 7321b to form a projection 73211 along extending radially outwardly for speed change rotating shaft 731.Second connecting seat 7321b and the second chute 751b is connected by rigid second connecting rod 7322b, and one end of the second connecting rod 7322b is fixed in At raised the 73211 of second connecting seat 7321b, the other end of the second connecting rod 7322b is fixedly attached to the second chute 751b ends The side in portion.The junction of head rod 7322a and the first chute 751a and the second connecting rod 7322b and the second chute 751b Junction should be all the outside of two chutes or be all two inside of chute.Speed change push rod 5 passes through the first control input Mouth is connected with speed change rotating shaft transmission, speed change axis of rotation is driven by speed change push rod, with the first of speed change rotating shaft synchronous axial system Connecting rod on connecting seat and the second connecting seat promotes the first chute and the second chute simultaneously so that the first chute and the second chute With its respective center, identical angle is rotated in a reverse direction.
The opposite side of locating part 7421 is provided with a slide control 7422, and slide control 7422 is along parallel to speed change rotating shaft Direction slide set.The side relative with locating part 7421 of slide control is provided with the tooth bar parallel to speed change rotating shaft 74222, slide control 7422 with the both ends of locating part 7421 is provided with first slide control piece 74221a and second slide Control piece 74221b.Tooth bar 74222 is connected by tooth sector 743 with steering wheel operation bar 6 and slides control, steering wheel behaviour Making bar 6 drives rotate gear 743 to rotate, and the tooth bar 74211 of slide control 7422 is received to be rotated with rotate gear 743 and driven, and is made Obtain slide control 7422 to be moved along the parallel direction with speed change rotating shaft, further result in slide control 7422 The movement of first slide control piece 74221a and second slide control piece 74221b.First slide 741a is provided with for being slided with first The first slide control 7411a that seat control piece 74221a coordinates, second slide 741b be provided with for second slide control piece The second slide control 7411b that 74221b coordinates.When slide control 7422 by the driving of steering wheel action bars along tooth bar Length direction towards a side shifting move when, first slide control piece 74221a in slide control 7422 and first slides control Product 7411a is contacted, while keeping second slide control piece 74221b to be separated with the second slide control 7411b so that first Slide 741a is moved with slide control 7422, while second slide 741b remains stationaries;As the recipient of slide control 7422 To disk action bars drive and along tooth bar length direction towards another side shifting move when, in slide control 7422 second slide Seat control piece 74221b is contacted with the second slide control 7411b, while keeping first slide control piece 74221a and first to slide Dynamic control piece 7411a is separated so that second slide 741a is moved with slide control 7422, while first slide 741a keeps It is static.
In the present embodiment, transmission system as shown in figure 1, the now such as Fig. 2 of the state in transmission case institutes when harvester is static Show.First slide 741a and second slide 741b are respectively positioned at the two ends of speed change rotating shaft 731, the first chute 751a and the second chute 751b is parallel to speed change rotating shaft 731.The extended line of the first transmission control rotating shaft 711a passes through the center of the first chute 751a, second The extended line of transmission control rotating shaft 711b passes through the center of the second chute 751b.
Speed change push rod 5 is connected by the first control input mouthful with speed change rotating shaft transmission, drives speed change to turn by speed change push rod Axle is rotated, as the connecting rod on first connecting seat and the second connecting seat of speed change rotating shaft synchronous axial system promotes the first chute simultaneously With the second chute so that the first chute and the second chute rotate identical angle in a reverse direction with its respective center.Make Harvester starts the latter forward or walks backward, now transmission system as shown in Figure 3,4, shape body such as Fig. 5 in transmission case, Shown in 6.
When needing to turn in harvester walking process, slide control is driven to move by steering wheel operation bar 6, and band One of slide is moved near another slide, meanwhile, the connecting seat being connected with mobile slide is also by with the movement of slide Along its speed change rotating shaft synchronizing moving.Driver does not operate to speed change push rod 5 during turning, and connecting seat is along speed change Rotating shaft is able to maintain that the angle of inclination of the first chute and the second chute is constant during moving.Therefore as shown in figure 8, walking The first chute and the length direction of the second chute and the moving direction of slide in journey are not parallel, remain angle a.With Being close between the first chute 751a and the second chute 751b, with the first chute 751a near the second chute 751b in the present embodiment As a example by be described, first transmission control rotating shaft 711a and the first chute 751(The center of the first chute)The distance between will Change.In the moving process of the first chute 751a, the first sliding block 721a in the first chute 751a will be along first Chute movement is adapted to the new position of the first chute.And pass through the first transmission control panel 712a and be connected to the first transmission control It is the radii fixus in the center of circle that the motion track of the first sliding block 721a of axle 711a is limited in the first transmission control shaft 711a On circumference, therefore it is axis rotation to cause the first sliding block 721a to be driven control panel 712a with first, so as to change the first pump control The angle of making sheet(Such as Fig. 7)So that the rotating speed of motor one generates change.And in whole process due to the second chute position and Angle does not all change, and the second pump control panel still remains original angle so that motor two keeps original rotation shape State.So cause there is speed discrepancy between motor one and motor two, realize turning.
In the present embodiment, set between the excircle of speed change rotating shaft 731, the first connecting seat 7321a and the second connecting seat 7321b There is return spring 761.After turning terminates, the driving force applied by steering wheel operation bar is disappeared, in the work of return spring Under, the first slide near second slide will turn again to the end of speed change rotating shaft away from second slide originally.This mistake Cheng Zhong, a angles remained between moving direction of the first chute are caused due to the presence of the first connecting seat.So that first The angle of pump control panel returns to the angle before turning.Therefore so that harvester is after turning terminates according to the row before turning Speed is sailed to continue to travel.
Above embodiment is only that this preferred embodiment is described, and not the spirit and scope to this are limited It is fixed.On the premise of the design design is not departed from, various modifications and change that this area ordinary person makes to this technical scheme Enter, this protection domain all should be dropped into, this claimed technology contents has all been recorded in detail in the claims.

Claims (13)

1. a kind of transmission case, it is characterised in that:Including the casing being made up of upper box lid and lower box, it is installed on the upper box lid The first driving control structure and the second driving control structure, and be arranged on controlled output structure, speed change in the casing Control input structure, course changing control input structure, transmission component;The transmission component drive connection speed Control input knot Structure and the controlled output structure, transmission component drive connection the course changing control input structure and the controlled output knot Structure;First driving control structure includes the first transmission control member, is arranged on the first of the first transmission control member end Transmission control rotating shaft, second driving control structure includes the second transmission control member, is arranged on second transmission control member Second transmission control rotating shaft of end;The speed Control input structure can drive first transmission control member and described Two transmission control members around it is their own transmission control shaft rotate identical angle, and first transmission control member turn Dynamic direction is opposite with the rotation direction of second transmission control member;The course changing control input structure can drive described first When one of transmission control member and second transmission control member are around its transmission control axis of rotation, another is kept to pass Dynamic control piece is static.
2. a kind of transmission case according to claim 1, it is characterised in that:The controlled output structure include the first sliding block, First controlled output part, the second sliding block, the second controlled output part;The first transmission control rotating shaft is fixed through the upper box lid The first controlled output part is connected, first sliding block is arranged on being driven away from described first for the first controlled output part Control the end of rotating shaft;The second transmission control rotating shaft is fixedly connected the second controlled output part through the upper box lid, Second sliding block is arranged on the end away from the described second transmission control rotating shaft of the second controlled output part;The transmission Component includes the first chute, the second chute, and first sliding block is slidably mounted in first chute, and second sliding block is slided It is dynamic to be installed in second chute;The speed Control input structure can drive first chute and second chute Around their own center rotating identical angle, and first chute and second chute rotation direction phase Instead;The course changing control input structure can drive one of first chute and second chute to move in the first direction Keep another chute static while dynamic;And cause sliding block with its corresponding controlled output part of the mobile drive of chute with It is axis rotation that transmission controls rotating shaft;Axle center and described second of the first direction parallel to the described first transmission control rotating shaft The line in the axle center of transmission control rotating shaft, the line at the center of the center of first chute and second chute and described the One direction is parallel.
3. a kind of transmission case according to claim 2, it is characterised in that:First sliding block and the described first transmission control The distance between rotating shaft is equal to second transmission control member and controls the distance between rotating shaft with the described second transmission.
4. a kind of transmission case according to claim 3, it is characterised in that:The speed Control input structure turns including speed change Axle, the first coupling assembly and the second coupling assembly being arranged in the speed change rotating shaft;First coupling assembly and described The end connection of one chute so that the first coupling assembly described in during speed change axis of rotation can promote first chute around it Rotation with surface of the center in the rotational plane perpendicular to the speed change rotating shaft;Second coupling assembly and second chute End connection so that the second coupling assembly described in during speed change axis of rotation can promote second chute to exist around its center Perpendicular to the rotation with surface of the rotational plane of the speed change rotating shaft.
5. a kind of transmission case according to claim 4, it is characterised in that:First coupling assembly includes being co-axially located at The speed change rotary shaft it is outer and can with the first connecting seat of the speed change rotating shaft synchronous axial system and be fixedly installed on described Head rod on first connecting seat;First connecting seat includes radially extend one projection along the speed change rotating shaft, One end of the head rod is connected to the projection, and the other end of the head rod is connected to first chute End;Second coupling assembly includes being co-axially located at the speed change rotary shaft outward and can be synchronous with the speed change rotating shaft The second connecting seat for rotating and the second connecting rod being fixedly installed on second connecting seat;Second connecting seat includes Raised along radially extend the one of the speed change rotating shaft, one end of second connecting rod is connected to the projection, described second The other end of connecting rod is connected to the end of second chute.
6. a kind of transmission case according to claim 5, it is characterised in that:The speed change rotating shaft is splined shaft, described first Connecting seat includes the first spline housing for coordinating with splined shaft, and second connecting seat includes being used for coordinating with the splined shaft The second spline housing.
7. a kind of transmission case according to claim 2, it is characterised in that:The course changing control input structure includes turning to tooth Wheel, the first slide for installing first chute, the second slide for installing the chute and slide control group Part, the relatively described first slide in center of first chute is fixed, relatively described second chute in center of second chute It is fixed;The tooth sector is connected for controlling the first slide and the second slide with the slide control assembly It is close to each other along the first direction, and one of slide remains stationary during close to each other.
8. a kind of transmission case according to claim 7, it is characterised in that:The slide control assembly includes locating part, cunning Dynamic control piece, the first slide and the second slide are slidably mounted on the locating part, the tooth sector with it is described Slide control is connected for controlling the slide control to be moved along the first direction;The slide control includes First slide control piece and second slide control piece;When the slide control is moved along the first direction:The first slide The second slide control piece is separated control piece with the second slide simultaneously with first slide contact so that described first Slide is moved with the slide control;Or the first slide control piece separates simultaneously described the with the first slide Two slide control pieces are contacted with the second slide so that the second slide is moved with the slide control.
9. a kind of transmission case according to claim 8, it is characterised in that:The slide control is included along the first party To the tooth bar for setting;The tooth sector is connected with the rack-driving;The first slide control piece is located at the tooth bar Near one end of the first slide, the second slide control piece is located at the one of the close described second slide of the tooth bar End.
10. a kind of transmission case according to claim 9, it is characterised in that:The first slide includes being used for and described the The first slide control that one slide control piece coordinates, the second slide includes being used for coordinating with the second slide control piece The second slide control;First slide control and second slide control are located at the first slide control piece And the second slide control piece between.
A kind of 11. transmission cases according to claim 1, it is characterised in that:The transmission case also includes elastic recoil structure, The elastic recoil structure enables to first chute and second chute to be located remotely from each other along the first direction.
A kind of 12. transmission case according to claim 4 or 5 or 6 or 7 or 8 or 9 or 10, it is characterised in that:The elasticity is returned Bit architecture includes the first return seat and the second return seat that are set along the first direction, and is arranged on along the first direction Elastomeric element between the first return seat and second return seat;The first return seat is fixedly connected described first and slides Seat, the second return seat is fixedly connected the second slide.
A kind of 13. transmission cases according to claim 1, it is characterised in that:First sliding block is cylindrical slider, described Second sliding block is cylindrical slider.
CN201710197140.6A 2017-03-29 2017-03-29 Transmission case Active CN106900284B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036029A (en) * 2017-12-05 2018-05-15 上海航天精密机械研究所 Multi-output shaft gearbox based on electric clutch

Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2000145932A (en) * 1998-11-10 2000-05-26 Kanzaki Kokyukoki Mfg Co Ltd Transmission for combine
US20020174633A1 (en) * 2001-04-28 2002-11-28 Roger Franet Mower arrangement having multiple mowing units and drive system therefor
CN203661633U (en) * 2013-12-27 2014-06-25 江苏大学 Differential mechanism type track combine-harvester gearbox
CN104343935A (en) * 2014-10-09 2015-02-11 浙江云洲科技有限公司 Stepless transmission box of caterpillar tractor
CN105556173A (en) * 2013-09-27 2016-05-04 株式会社久保田 Combine harvester
CN207185258U (en) * 2017-03-29 2018-04-06 星光农机股份有限公司 Transmission case

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000145932A (en) * 1998-11-10 2000-05-26 Kanzaki Kokyukoki Mfg Co Ltd Transmission for combine
US20020174633A1 (en) * 2001-04-28 2002-11-28 Roger Franet Mower arrangement having multiple mowing units and drive system therefor
CN105556173A (en) * 2013-09-27 2016-05-04 株式会社久保田 Combine harvester
CN203661633U (en) * 2013-12-27 2014-06-25 江苏大学 Differential mechanism type track combine-harvester gearbox
CN104343935A (en) * 2014-10-09 2015-02-11 浙江云洲科技有限公司 Stepless transmission box of caterpillar tractor
CN207185258U (en) * 2017-03-29 2018-04-06 星光农机股份有限公司 Transmission case

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036029A (en) * 2017-12-05 2018-05-15 上海航天精密机械研究所 Multi-output shaft gearbox based on electric clutch

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