CN106704526A - Stepless gearbox - Google Patents
Stepless gearbox Download PDFInfo
- Publication number
- CN106704526A CN106704526A CN201611136859.0A CN201611136859A CN106704526A CN 106704526 A CN106704526 A CN 106704526A CN 201611136859 A CN201611136859 A CN 201611136859A CN 106704526 A CN106704526 A CN 106704526A
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- China
- Prior art keywords
- gear
- axle
- wheel
- pawl
- semiaxis
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- 238000006073 displacement reaction Methods 0.000 claims description 60
- 244000309464 bull Species 0.000 claims description 9
- 230000001268 conjugating effect Effects 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/021—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings toothed gearing combined with continuous variable friction gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/42—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The invention relates to a stepless gearbox for driving traveling and steering. The stepless gearbox comprises a box body. An input shaft, a first shaft, a second shaft, a first half shaft, a second half shaft, a third half shaft and output half shafts are arranged on the box body. The input shaft is sleeved with a belt wheel. A gear set is arranged in the box body. A double-acting clutch wheel lug control device and a stepless gear shifting mechanism are symmetrically arranged on the two sides of the box body. The stepless gear shifting mechanism comprises a driving shifting wheel assembly and a driven shifting wheel assembly. The driving shifting wheel assembly is installed on the double-acting clutch wheel lug control device. The driven shifting wheel assembly is connected with the driving shifting wheel assembly through a belt. The input shaft transfers power to the output half shafts through the gear set, the driving shifting wheel assembly and the driven shifting wheel assembly. The stepless gearbox is simple in structure, and the synchronous output degree of the two output half shafts is high.
Description
Technical field
The present invention relates to crawler type engineering machinery field, walking, the electrodeless variable-speed for turning to more particularly, to are driven
Case.
Background technology
At present, crawler type engineering machine walks, turns to multiplex hydraulic system to realize, therefore, the system will generally be wrapped
Hydraulic pump, hydraulic valve and two hydraulic motors on walking driver gear are included, two hydraulic motor run-in synchronism during walking turns
To when cut off one of hydraulic motor oil circuit or change the flow of two hydraulic motors then come realize it is differential complete to turn to it is dynamic
Make.But under this hydraulic system, require that two hydraulic motors must run-in synchronism, otherwise crawler type in straight line moving first
Engineering machine will sideslip；Secondly, the synchronous valve that is needed in hydraulic control circuit, overflow valve, flow valve are expensive and composition
Control loop complex structure, is not easy to maintenance.
The content of the invention
It is an object of the invention to overcoming current crawler type engineering machine to walk, turning to the hydraulic-gear for using
Middle Hydraulic Elements are difficult to control to, using inconvenient, baroque problem, and provide a kind of easy to use, can be by machine driving
Mode drives crawler type engineering machinery walking, the stepless gearbox for turning to.
What the present invention was realized in：A kind of stepless gearbox, including casing, are provided with input shaft, axle on the casing
First, axle two, semiaxis one, semiaxis two, semiaxis three and output axle shaft, the semiaxis one, semiaxis two, semiaxis three and output axle shaft point
Two and casing both sides Wei not be symmetricly set in, the input shaft is set with belt pulley, and gear train is provided with the casing,
The casing both sides are symmetrically arranged with double acting clutch tire control device and stepless speed change mechanism, and the infinitely variable speed structure includes
Wheel assembly and driven displacement wheel assembly are actively conjugated, wheel assembly is actively conjugated and is connected with double acting clutch tire control device, it is driven
Displacement wheel assembly by belt with actively conjugate wheel assembly and be connected, the input shaft passes through gear train, actively conjugate wheel assembly and
Driven displacement wheel assembly imparts power to output axle shaft；
The double acting clutch tire control device includes being installed on the location-plate and support shaft of body side, pacifies in the support shaft
Equipped with the action bars that can be rotated around support shaft, be provided with the action bars along action bars axial movement and can be with positioning
The locating piece that board is closed, the axle one, axle two are located at action bars both sides respectively, and axle one, the left and right two ends of axle two are respectively arranged with
Determine pawl and pawl for a pair, determine pawl and be installed on casing, determine pawl and the relative side of pawl is equipped with helicoid, pawl is led to pawl is determined
Helicoid engagement is crossed, is installed on axle one and is determined pawl and pawl with oppositely oriented, the institute for determining pawl and pawl being installed on axle two
State and be provided with pawl rod member one, rod member two is connected between rod member one and action bars, pawl is by rod member one, rod member two and behaviour
Make bar connection；
It is described actively to conjugate fixed wheel one and displacement wheel one that wheel assembly is set in turn on axle one, axle two including ecto-entad, institute
State fixed wheel one and be fixedly installed in axle one, the outside of axle two, protection spacer is provided between fixed wheel one and displacement wheel one and can be produced
Life makes displacement wheel one away from the back-moving spring one of the elastic force of fixed wheel one, and the wheel face relative with displacement wheel one of fixed wheel one is formed can covariant
The position of the end face outside of position wheel one and change the V-groove one of groove width, the pawl is arranged at the inner side of displacement wheel one；
The driven displacement wheel assembly is set in turn in displacement wheel two and fixed wheel on semiaxis one, semiaxis three including ecto-entad
Two, the fixed wheel two is fixedly installed in semiaxis one, the inner side of semiaxis three, and being respectively arranged with the semiaxis one, semiaxis three can
Generation makes displacement wheel two near the back-moving spring two of the elastic force of fixed wheel two, and two wheel faces relative with fixed wheel two of the displacement wheel are formed
The V-groove two of groove width can be changed with the position of the inner side end of displacement wheel two, be set with jointly on the V-groove one, V-groove two
There is the belt that can change coiling diameter with the change of the groove width of V-groove one, V-groove two.
Above-mentioned stepless gearbox, the location-plate is two pieces for being parallel to each other, and the action bars is arranged at two location-plates
Centre, the rod member three that action bars upper end is provided with being moved axially along action bars through location-plate, the locating piece is arranged at
The lower end of rod member three.
Above-mentioned stepless gearbox, the action bars upper end is provided with interior stepped hole, and the rod member three is arranged at interior step
In hole, it is additionally provided with interior stepped hole as rod member three is provided along the back-moving spring three of the elastic force of action bars upward direction, the bar
The axis coinciding of part three, the interior stepped hole of back-moving spring three, action bars.
Above-mentioned stepless gearbox, the location-plate is in fan-shaped arcuation, and the lower camber side of location-plate sets fluted, described fixed
Position block upper end is provided with the projection with groove match.
Above-mentioned stepless gearbox, the gear train includes the gear one being set on input shaft, is set on axle one
Gear two, the gear three being set on axle three, the gear four being set on semiaxis one, the gear six being set on semiaxis three, set
Loaded on the duplicate gear one on semiaxis two, the gear five being set on output shaft, the gear one, gear two, gear three are successively
Engagement, the bull wheel of gear four, gear six respectively with duplicate gear one is engaged, and steamboat and the gear five of the duplicate gear one are nibbled
Close.
Above-mentioned stepless gearbox, is respectively arranged with cylindrical slot, the reset bullet on the end face of the both sides of displacement wheel one
Spring one is arranged in the cylindrical slot in the outside of displacement wheel one, and pressure bearing, the pressure are provided with the cylindrical slot of the inner side of displacement wheel one
Power bearing holder (housing, cover) loaded in pawl, take turns one medial surface, the lateral surface of pawl with displacement and contact respectively by the two ends of pressure bearing.
Above-mentioned stepless gearbox, is additionally provided with axle three and output shaft on the casing, gear is set with the axle three
Seven and gear eight, gear nine is set with output shaft, gear eight is engaged with gear nine, and the gear three being set on axle two is duplex
Gear, the bull wheel of gear three is engaged with gear two, and the steamboat of gear three is engaged with gear seven, be provided with the axle three output from
Clutch, the driving wheel of output clutch is fixedly connected with gear seven, and being provided with the driven pulley of output clutch makes output clutch
The shift fork that the driving wheel of device is separated with driven pulley, combined.
The present invention has the following advantages that：Stepless gearbox of the invention is overall basic into symmetrical structure, two output axle shafts
Synchronism output degree is high, is easy to the straight line moving of equipment, and during for turning to, two output axle shafts are turned to can be with conversely, turn equipment
To more convenient；And the stepless gearbox does not have the participation of Hydraulic Elements, it is easy to control, mechanical structure is simple, with low cost, just
In maintenance.
Brief description of the drawings
Fig. 1 is stepless gearbox overall structure diagram of the invention.
Fig. 2 is stepless gearbox transmission principle schematic diagram of the invention.
Fig. 3 is the structural representation for actively conjugating wheel assembly.
Fig. 4 is driven displacement wheel assembly structural representation.
Fig. 5 is double acting clutch tire control device structural representation.
Fig. 6 is left-handed to determine pawl, pawl assembling structure schematic diagram.
Fig. 7 is that pawl, pawl assembling structure schematic diagram are determined in dextrorotation.
Fig. 8 is dual output stepless gearbox transmission principle schematic diagram.
Fig. 9 is the mplifying structure schematic diagram at A in Fig. 5；
Figure 10 is its axial sectional view of action bars upper end edge in Fig. 5；
In figure：1- cabinets, 2- gears two, 3- gears three, 4- actively conjugates wheel assembly two, and 5- actively conjugates wheel assembly one, 501-
Nut, 502- fixed wheels one, 503- displacement wheel one, 504- pressure bearings, 505- back-moving springs one, 506- protection spacers, 507-V types
Groove one, 6- belt pulleys, 7- passively conjugates component one, 701- fixed wheels two, 702- displacement two, 703- of wheel back-moving springs two, 704-V types
Groove two, 8- gears four, 9- duplicate gears one, 10- gears five, 12- gears six, 13- passively conjugates component two, 14- casings, 15-
Double acting clutch claw control device, the location-plate of 1501- studs 1502, the pawl of 1503 rod member, 2 1504 rod member 1
The support shaft 1508 of 1506 action bars 1507 determines the locating piece of 1511 rod member of pawl 1509 pin, 1510 back-moving spring 3 1512,16- gears
Seven, 17- gear eight, 18- shift forks, 19- output clutches, 20- gears nine, I-input shaft, II-axle one, III-axle two, IV-semiaxis
One, V-semiaxis two, VI-semiaxis three, VII-output axle shaft.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1：A kind of stepless gearbox, as shown in Fig. 1 ~ 10, including casing, double acting clutch tire control device and
Stepless speed change mechanism, be provided with casing 14 input shaft I, axle 1, axle 2 III, semiaxis 1, semiaxis 2 V, semiaxis 3 VI,
Output axle shaft VII and gear train；Input shaft I, axle 1, the diameter parallel of axle 2 III are arranged on the top of casing 14, divide thereon
Gear 1, gear 22, gear 33 are not fixed with, gear 1 is engaged with gear 22, gear 22 and gear 33 are engaged, while
Belt wheel 6 is installed with the left end of input shaft I, the power of motor is passed into input shaft；The two ends of axle 1, axle 2 III
It is installed with respectively and actively conjugates wheel assembly.
Input shaft I is passed to through belt wheel 6 under the drive of engine, through gear one 1, gear after the input power of input shaft I
22, gear 33, axle 1, axle 2 III are passed to and actively conjugate wheel assembly, and axle 1, the direction of rotation of axle 2 III are conversely, event
Axle 1 is opposite with the rotation direction for actively conjugating wheel assembly on axle 2 III.
As shown in Fig. 1, Fig. 5, Fig. 6, Fig. 7, Fig. 9, Figure 10, double acting clutch tire control device includes determining pawl 1508, bar
It is part 1, pin 1509, location-plate 1502, rod member 2 1503, pawl 1505, action bars 1506, support shaft 1507, multiple
Position spring 3 1510, rod member 3 1511, locating piece 1512；Location-plate 1502, determine pawl 1508, support shaft 1507 and be both secured to
On casing 14；Action bars 1506 is arranged between two location-plates 1502, and movable supporting is held below in support shaft 1507, with this
To be rotated before and after fulcrum；
Back-moving spring 3 1510 is installed, back-moving spring 3 1510 is sleeved on rod member three in the upper end of action bars 1506 in stepped hole
On 1511, further, the interior stepped hole axis coinciding of rod member 3 1511, back-moving spring 3 1510 and action bars 1506 so that bar
Part 3 1511 can make straight line and transport in interior stepped hole relative to action bars 1506 under the effect of back-moving spring 3 1510 along axis
It is dynamic；The lower end of rod member 3 1511 is connected with locating piece 1512, and locating piece 1512 is located at the lower section of location-plate 1502.Preferably, it is fixed
Position plate is fan-shaped arcuation, and its lower camber side is provided with multiple grooves of equidistant or Unequal distance；The upper surface of locating piece 1512 is provided with
One with location-plate 1502 on multiple recess projection；When the staff pressing upper end of rod member 3 1511 and pull joystick
When 1506, its rod member 3 1511 is moved down along axis, and the locating piece 1512 that drive is fixed thereon is moved, on locating piece 1512
Projection leave groove with matching on location-plate 1502 and come other grooves, it is raised with card when staff loosens
Enter in groove the change and repositioning realized to the position of action bars 1506；
Further, being connected through the hinge between action bars 1506 and rod member 1 has rod member 2 1503, when action bars 1506
When position changes and repositions, rod member 1 is forced to be repositioned through rod member 2 1503, due to rod member 1 and pawl
1505 is to be fixedly connected, then pawl 1505 is rotated, and it is helicoid contact to determine pawl 1508 due to pawl 1505, and now pawl can be relative
There is displacement component in the axial direction along axle one in pawl is determined, so as to realize two pairs of relative motions of tire by control operation bar, pacify
The oppositely oriented of pawl and pawl is determined with being installed on axle two loaded on determine pawl and the pawl on axle one, is installed on axle one and is determined pawl
It is left-handed face with the helicoid of pawl, the determine pawl and the helicoid of pawl being installed on axle two are dextrorotation face.When action bars to the left
Mobile, only the pawl on axle two determines pawl generation displacement relatively；When action bars moves right, the pawl only on axle one is relatively fixed
Pawl produces displacement.
As shown in figure 3, actively conjugating wheel assembly 1 includes nut 501, fixed wheel 1, protection spacer 506, back-moving spring
One 505, displacement wheel one 503, pressure bearing 504, is from left to right sleeved on axle 1, thus, in fixed wheel 1 successively successively
The variable V-groove 1 of a well width is formed and displacement wheel 1 between.
As shown in figure 4, driven displacement wheel assembly 1 includes nut 501, back-moving spring 2 703, displacement wheel 2 702, fixed wheel
2 701, from left to right it is sleeved on successively on semiaxis 1 successively, the effect for so setting is：Thus, in the He of fixed wheel 2 701
The variable V-groove 2 704 of a well width is formed between displacement wheel 2 702, V-groove 1 and V-groove 2 704 are set with jointly
The belt of coiling diameter can be changed with the change of the groove width of V-groove one, V-groove two.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, described pawl 1505 with determine the helicoid of pawl 1508 engage and with
The right side of pressure bearing 504 is mutually leaned on, and determines pawl and is fixed on casing 14, when pawl 1505 is produced along axle one relative to pawl 1508 is determined
During axial movement, pawl 1505 is oppressed displacement wheel 1 and is moved by pressure bearing 504, so as to change the groove of V-groove 1
Width, belt can be tensioned or relax, so as to change to the pressure of displacement wheel 2 702 on driven displacement wheel assembly 1, in this pressure
Under the elastic force effect of back-moving spring 2 703, displacement wheel 2 702 can move left and right the groove width change for realizing V-groove 2 704, enter
And force belt to change its coiling diameter；When belt is moved up along V-groove 1, belt coiling diameter becomes big when upward,
When belt is moved downward along V-groove 1, belt coiling diameter diminishes, and then changes gearratio.
Operation principle：
The rotating forward of output axle shaft：
The left end of semiaxis 1 be fixed with it is driven displacement wheel assembly 1, through suit thereon with actively conjugate on wheel assembly 1
The power for actively conjugating wheel assembly 1, is passed to driven displacement wheel assembly 1 by belt, then driven one 7 turns of wheel assembly of displacement
It is dynamic；Because driven displacement wheel assembly 1 is to be fixedly connected with semiaxis 1, so when driven displacement wheel assembly 1 is rotated then
Semiaxis 1 can be rotated with its constant angular velocity；Further, gear 48 is further fixed in semiaxis 1, is provided with casing 14
Semiaxis 2 V, output axle shaft VII, duplicate gear 1 is fixed with semiaxis 2 V, and output axle shaft VII is fixed with gear 5 10；Enter one
The bull wheel engagement of step, gear 48 and duplicate gear 1, the steamboat of duplicate gear 1 is engaged with gear 5 10, such semiaxis one
IV rotates successively through gear 48, the bull wheel of duplicate gear 1, the steamboat of duplicate gear 1, the engagement drive output of gear 5 10
Semiaxis VII is rotated forward, and similarly, the opposite side of casing 14 can make another output axle shaft and output axle shaft through the transmission of above-mentioned power
VII keeps synchronized rotation in the same direction.
The reversion of output axle shaft：
The left end of semiaxis 3 VI be fixed with it is driven displacement wheel assembly 2 13, through suit thereon with actively conjugate on wheel assembly 24
The power for actively conjugating wheel assembly 24, is passed to driven displacement wheel assembly 2 13 by belt, then driven 2 13 turns of wheel assembly of displacement
It is dynamic；Because driven displacement wheel assembly 2 13 is to be fixedly connected with semiaxis 3 VI, so when driven displacement wheel assembly 2 13 is rotated
Then semiaxis 3 VI can be rotated with its constant angular velocity；Similarly, semiaxis 3 VI rotate successively through gear 6 12, duplicate gear 1 it is big
Wheel, the engagement of the steamboat of duplicate gear 1, gear 5 10 drive output axle shaft VII to rotate, and the opposite side of casing 14 is through above-mentioned power
Transmission another output axle shaft and output axle shaft VII can be made to keep synchronized rotation in the same direction.
Due to actively conjugating wheel assembly 1 and actively conjugating the rotation direction of wheel assembly 24 conversely, so when using actively
When displacement wheel assembly 1 and use actively conjugate the output power of wheel assembly 24, the rotation direction of output axle shaft VII is opposite；
So, when using the output power of wheel assembly 1 is actively conjugated, equipment straight ahead；When defeated using wheel assembly 24 is actively conjugated
When going out power, equipment straight line is retreated；Due to gearbox into symmetrical structure and output shaft be semiaxis form, it is therefore only each other during output
It is vertical, change the rotating speed of the both sides output axle shaft of casing 14, one rotating speed is more than another rotating speed, you can to realize that equipment is turned to；
The output axle shaft of the side of casing 14 can also rotated forward, the output axle shaft of opposite side inverts to realize equipment pivot stud.
Embodiment 2：The present embodiment without machine gearbox, with the difference without machine gearbox involved in embodiment 1
Centered on illustrate.
As shown in Fig. 1, Fig. 8, axle 3 VIII and output shaft Ⅸ are also equipped with casing 14, gear 7 16 is set with axle 3 VIII
With gear 8 17, gear 9 20 is set with output shaft Ⅸ, gear 8 17 is engaged with gear 9 20, is set in the tooth on axle 2 III
33 are taken turns for duplicate gear, the bull wheel of gear 33 is engaged with gear 22, and the steamboat of gear 33 is engaged with gear 7 16, axle 3 VIII
On be provided with output clutch 19, gear 7 16 is fixedly connected with the driving wheel of output clutch 19, and both are entirely through bearing
It is sleeved on axle 3 VIII, the driven pulley of output clutch 19 is movably connected on axle 3 VIII by way of being bonded and connecing, shift fork 18
It is sleeved on output clutch driven pulley, for stirring the combination of the driving wheel of output clutch 19 and driven pulley and separating, and then
Control shaft 3 VIII receives by the power on axle 2 III.
When the driving wheel of output clutch 19 and follower combination, the power of input shaft I is through gear 1, gear 22, double
Bull wheel, the steamboat of duplicate gear 3-1, gear 7 16, output clutch 19, axle 3 VIII, the gear 8 17, gear of connection gear 3-1
9 20 pass to output shaft Ⅸ.
When the driving wheel of output clutch 19 and follower are separated, the power of input shaft I is through gear 1, gear 22, double
The bull wheel of connection gear 3-1, the steamboat of duplicate gear 3-1 pass to gear 7 16, due to gear 7 16 by bearing empty set in axle
On 3 VIII, output clutch 19 is in separate state, so, now gear 7 16 can only dally on axle 3 VIII, and power is not
Transmit backward again, then output shaft Ⅸ is static.This stepless gearbox for carrying out dual output not only realizes walking（Or turn to）
The electrodeless variable-speed formula output of axle, and ensure dragging load output shaft can constant speed type output, and drag the power of load
It is flexibly controllable whether to export.
Claims (7)
1. a kind of stepless gearbox, including casing, it is characterised in that：Input shaft, axle one, axle two, half are provided with the casing
Axle one, semiaxis two, semiaxis three and output axle shaft, the semiaxis one, semiaxis two, semiaxis three and output axle shaft be respectively two and
Casing both sides are symmetricly set in, the input shaft is set with belt pulley, gear train, the casing both sides are provided with the casing
Double acting clutch tire control device and stepless speed change mechanism are symmetrically arranged with, the infinitely variable speed structure includes actively conjugating wheel group
Part and driven displacement wheel assembly, actively conjugate wheel assembly and are connected with double acting clutch tire control device, and driven displacement wheel assembly leads to
Cross belt and actively conjugate wheel assembly and be connected, the input shaft by gear train, actively conjugate wheel assembly and driven displacement wheel group
Part imparts power to output axle shaft；
The double acting clutch tire control device includes being installed on the location-plate and support shaft of body side, pacifies in the support shaft
Equipped with the action bars that can be rotated around support shaft, be provided with the action bars along action bars axial movement and can be with positioning
The locating piece that board is closed, the axle one, axle two are located at action bars both sides respectively, and axle one, the left and right two ends of axle two are respectively arranged with
Determine pawl and pawl for a pair, determine pawl and be installed on casing, determine pawl and the relative side of pawl is equipped with helicoid, pawl is led to pawl is determined
Helicoid engagement is crossed, is installed on axle one and is determined pawl and pawl with oppositely oriented, the institute for determining pawl and pawl being installed on axle two
State and be provided with pawl rod member one, rod member two is connected between rod member one and action bars, pawl is by rod member one, rod member two and behaviour
Make bar connection；
It is described actively to conjugate fixed wheel one and displacement wheel one that wheel assembly is set in turn on axle one, axle two including ecto-entad, institute
State fixed wheel one and be fixedly installed in axle one, the outside of axle two, protection spacer is provided between fixed wheel one and displacement wheel one and can be produced
Life makes displacement wheel one away from the back-moving spring one of the elastic force of fixed wheel one, and the wheel face relative with displacement wheel one of fixed wheel one is formed can covariant
The position of the end face outside of position wheel one and change the V-groove one of groove width, the pawl is arranged at the inner side of displacement wheel one；
The driven displacement wheel assembly is set in turn in displacement wheel two and fixed wheel on semiaxis one, semiaxis three including ecto-entad
Two, the fixed wheel two is fixedly installed in semiaxis one, the inner side of semiaxis three, and being respectively arranged with the semiaxis one, semiaxis three can
Generation makes displacement wheel two near the back-moving spring two of the elastic force of fixed wheel two, and two wheel faces relative with fixed wheel two of the displacement wheel are formed
The V-groove two of groove width can be changed with the position of the inner side end of displacement wheel two, be set with jointly on the V-groove one, V-groove two
There is the belt that can change coiling diameter with the change of the groove width of V-groove one, V-groove two.
2. stepless gearbox according to claim 1, it is characterised in that：The location-plate is two pieces for being parallel to each other, institute
State action bars to be arranged in the middle of two location-plates, the bar that action bars upper end is provided with being moved axially along action bars through location-plate
Part three, the locating piece is arranged at the lower end of rod member three.
3. stepless gearbox according to claim 2, it is characterised in that：The action bars upper end is provided with interior stepped hole,
The rod member three is arranged in interior stepped hole, is additionally provided with interior stepped hole as rod member three provides the bullet along action bars upward direction
The back-moving spring three of power, the rod member three, the axis coinciding of the interior stepped hole of back-moving spring three, action bars.
4. stepless gearbox according to claim 1, it is characterised in that：The location-plate is in fan-shaped arcuation, location-plate
Lower camber side sets fluted, and the locating piece upper end is provided with the projection with groove match.
5. stepless gearbox according to claim 1, it is characterised in that：The gear train includes being set on input shaft
Gear one, the gear two being set on axle one, the gear three being set on axle three, the gear four being set on semiaxis one, suit
In the gear six on semiaxis three, the duplicate gear one being set on semiaxis two, the gear five being set on output shaft, the gear
First, gear two, gear three are engaged successively, and the bull wheel of gear four, gear six respectively with duplicate gear one is engaged, the duplicate gear
One steamboat is engaged with gear five.
6. stepless gearbox according to claim 1, it is characterised in that：Set respectively on the end face of one both sides of displacement wheel
Cylindrical slot is equipped with, the back-moving spring one is arranged in the cylindrical slot in the outside of displacement wheel one, in the cylindrical slot of the inner side of displacement wheel one
Pressure bearing is provided with, the pressure bearing is set in pawl, the two ends of pressure bearing medial surface respectively with displacement wheel one,
The lateral surface contact of pawl.
7. stepless gearbox according to claim 1, it is characterised in that：Axle three and output are additionally provided with the casing
Axle, is set with gear seven and gear eight on the axle three, gear nine is set with output shaft, and gear eight is engaged with gear nine, set
It is duplicate gear loaded on the gear three on axle two, the bull wheel of gear three is engaged with gear two, and steamboat and the gear seven of gear three are nibbled
Close, output clutch is provided with the axle three, the driving wheel of output clutch is fixedly connected with gear seven, output clutch
The shift fork for making the driving wheel of output clutch be separated with driven pulley, combined is installed on driven pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136859.0A CN106704526A (en) | 2016-12-12 | 2016-12-12 | Stepless gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611136859.0A CN106704526A (en) | 2016-12-12 | 2016-12-12 | Stepless gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704526A true CN106704526A (en) | 2017-05-24 |
Family
ID=58936466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611136859.0A Pending CN106704526A (en) | 2016-12-12 | 2016-12-12 | Stepless gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630992A (en) * | 2017-10-17 | 2018-01-26 | 镇江市金鼎变速箱有限公司 | A kind of three-ratio gear based on multi-diameter shaft |
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| US5788600A (en) * | 1995-12-15 | 1998-08-04 | Aisin Aw Co., Ltd. | Continuously variable transmission |
| CN102840286A (en) * | 2011-06-24 | 2012-12-26 | 顾愈宝 | Infinitely variable transmission for planetary gear |
| CN102943859A (en) * | 2012-11-23 | 2013-02-27 | 天津工程机械研究院 | Hydraulic mechanical continuously variable transmission for loader |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107630992A (en) * | 2017-10-17 | 2018-01-26 | 镇江市金鼎变速箱有限公司 | A kind of three-ratio gear based on multi-diameter shaft |
| CN107630992B (en) * | 2017-10-17 | 2023-09-05 | 镇江市金鼎变速箱有限公司 | Three-stage gearbox based on stepped shaft |
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Application publication date: 20170524 |