CN103057631B - Wheel track changing suspension mechanism of traveling machinery - Google Patents
Wheel track changing suspension mechanism of traveling machinery Download PDFInfo
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- CN103057631B CN103057631B CN201310000297.7A CN201310000297A CN103057631B CN 103057631 B CN103057631 B CN 103057631B CN 201310000297 A CN201310000297 A CN 201310000297A CN 103057631 B CN103057631 B CN 103057631B
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Abstract
The invention relates to a wheel track changing suspension mechanism of traveling machinery. The wheel track changing suspension mechanism is especially suitable for changing distance between wheels on two sides on a front axle and a rear axle and distance between the front axle and the rear axle of a motor vehicle. The mechanism mainly comprises front and rear variable folio angle suspension mechanisms, front and rear wheel track adjusting mechanisms and a steering mechanism, front and rear suspensions respectively comprise left and right rotary arms in symmetric arrangement, one ends of the left and right rotary arms are hinged, the hinged end is fixed on an intermediate cross beam through a rotary arm sleeve, the other ends of the left and right rotary arms are fixedly provided with vertical shafts and vertical shaft sleeves in a sleeved manner, one ends of the vertical shafts are hinged with sliding sleeves which are respectively mounted at two ends of an optic shaft on front wheels and a spline shaft on rear wheels, the included angle between the left and right rotary arms is adjusted through the front and rear wheel track adjusting mechanisms which are structurally identical and symmetric, and the steering mechanism performs direction handle type control or direction disc type control. The wheel track changing suspension mechanism has the advantages of high trafficability, low requirements on road surface condition, stability in standing and the like.
Description
Technical field
The present invention relates to a kind of flexible wheel base suspension fork mechanism of walking machine, be particularly useful for self-propelled vehicle and change the spacing of two side wheels and the spacing of forward and backward bridge on forward and backward bridge.
Background technology
Motor bike has the advantages such as use is efficient and convenient, manoevreability good, consume fuel is few, low cost of manufacture, and obtain in the world and apply widely, by 2008, global motor bike cumulative production just broke through 200,000,000 according to statistics.There are 1,300,000,000 populations in China, is developing country maximum in the world, and the ratio having self-propelled vehicle is per capita also not high, along with the quick growth of national economy, and especially will be more and more extensive at city and rural motor bike and battery-driven car application demand.
It is good that tradition autobicycle has carrying capacity, the advantage that road pavement conditional request is low, but there is dysstasia in jogging speed traveling or wet and slippery ice and snow road condition, is very easy to occur sideways phenomenon; And although four-wheel rigid wheel base self-propelled vehicle can solve self stability of standing problem, just without the advantage of autobicycle.
Flexible wheel base suspension fork mechanism can have tradition simultaneously two takes turns and four-wheeled vehicle two-fold advantage, regulates the spacing of wheel all around according to the moving velocity of pavement conditions and car at any time.
Summary of the invention
The object of the invention is to overcome traditional autobicycle to stand easy sideways, and the shortcoming of four-wheel rigid wheel base self-propelled vehicle carrying capacity difference, a kind of flexible wheel base suspension fork mechanism of walking machine is provided.Changeable wheel track suspension fork mechanism adopts two to split mode and the rotary swinging arm with same axis to drive in vehicle bridge wheelspan between two side wheels to change respectively, changing on forward and backward bridge between wheel while distance respectively, have also been changed the wheelbase size between forward and backward bridge.
Above-mentioned purpose of the present invention is achieved through the following technical solutions, and accompanying drawings is as follows:
A kind of flexible wheel base suspension fork mechanism of walking machine, become primarily of front and back and split angle suspension fork mechanism, wheel base regulating mechanism and steering hardware composition, the change of described front and back is split angle suspension fork mechanism and is formed front-rear axle respectively, the fore suspension and rear suspension that angle suspension fork mechanism is symmetrical structure is split in former and later two changes described, fore suspension and rear suspension is made up of the left-right rotary pivoted arm be arranged symmetrically with respectively, described left-right rotary pivoted arm one end is hinged and pin jointed end is fixed on intermediate transverse girder 13 by pivot arm sleeve, the described left-right rotary pivoted arm other end is fixed with vertical shaft and the vertical shaft sleeve of suit, one end and the sliding shaft sleeve of vertical shaft are hinged, described sliding shaft sleeve is arranged on the two ends of the optical axis 20 on front-wheel and the castellated shaft 30 on trailing wheel respectively, angle between described left-right rotary pivoted arm is regulated by wheel base regulating mechanism, the sliding shaft sleeve on optical axis 20 and castellated shaft 30 is driven to slide axially respectively,
The structure of described wheel base regulating mechanism is identical and be symmetrical structure, front suspension wheelspan W1 and rear suspension wheelspan W2 by between pivot arm 10,11 after changing left and right respectively split angle E2 and left and right before the angle E1 that splits between pivot arm 10 ', 11 ' adjust;
Described steering hardware presses arrangement travel direction wushu course changing control or the steering wheel type course changing control of wheel base regulating mechanism.
Antifictionbearing coaxial line is adopted to be set with between the front left pivot arm 10 ' of described front suspension, front right pivot arm 11 ', front pivot arm sleeve 12 ', adopt antifictionbearing coaxial line suit equally between the rear left pivot arm 10 of described rear suspension, rear right pivot arm 11, rear pivot arm sleeve 12, two axial lines remains in same plane and arranges.
Bearing fit is adopted and by spring supporting between described vertical shaft and vertical shaft sleeve, behind left and right, sliding shaft sleeve 19 ' to be sleeved on the bearing spline housing 42 that matches with castellated shaft 30 by interior through bearing 41, behind left and right, wheel hub 44 is installed by hub bearing 43 in sliding shaft sleeve 19 ' outside, drives left and right rear wheel 1,1 ' to rotate through castellated shaft 30, overriding clutch 45, wheel hub 44; Front slide axle sleeve 19 inside, described left and right directly coordinates with optical axis 20, and the outside of sliding shaft sleeve 19 is installed wheel hub 44 ' by hub bearing 43 ' or installs left and right front vehicle wheel 20,21 ' by two hub-type motors.
Described wheel base regulating mechanism is made up of pin nut frame, positive and negative pin nut and forward and reverse screw rod respectively, described pin nut frame symmetry is fixed on left-right rotary pivoted arm, and it is hinged with positive and negative pin nut respectively, forward and reverse screw thread fit at positive and negative pin nut and forward and reverse screw rod two ends, forward and reverse screw rod controls to rotate by motor-driven worm-and-wheel gear, to regulate the spacing M size of two pin nuts, drive the wheelspan between left and right wheels to change respectively through left-right rotary pivoted arm, described motor controls to be powered by Vehicular accumulator cell 48 by switch 40; Described wheel base regulating mechanism is arranged by upper and lower two kinds of modes, and wherein go up arrangement and be used for left and right directions 14,14 ' formula course changing control, lower arrangement is used for bearing circle 49 formula course changing control.
Worm-and-wheel gear in described wheel base regulating mechanism, motor, forward and reverse screw rod and screw shaft bearing are arranged on the slide plate of front and back respectively, described front and back slide plate is arranged in the chute bracket of front and back respectively, before and after front and back slide plate is relative with the change of pivot arm bushing core linear distance with forward and reverse screw rod, chute bracket carries out relative movement, described rear chute bracket 5 is fixed on after cross member, and described front chute bracket 5 ' can around pivot arm sleeve 12 ' line of centers unitary rotation.
Beneficial effect
When wheelspan W1, W2 adjustment diminishes, have the advantage that traditional autobicycle road pavement conditional request is low, carrying capacity is good; And be applicable to jogging speed when wheelspan W1, W2 regulate and become large and travel, and under wet and slippery, ice and snow road condition or dead ship condition there is fine stability of standing.Flexible wheel base suspension fork mechanism can have tradition two simultaneously takes turns and four-wheeled vehicle two-fold advantage.
Accompanying drawing explanation
Fig. 1 wushu direction becomes splits angle suspension fork mechanism schematic front view
Fig. 2 wushu direction becomes splits angle suspension fork mechanism schematic top plan view
Fig. 3 wushu direction becomes splits angle suspension fork mechanism A to schematic side view
Fig. 4 wushu direction becomes splits angle suspension fork mechanism B to schematic side view
Fig. 5 wushu direction is adjusted to little wheelspan schematic top plan view
Fig. 6 disc type direction becomes splits angle suspension fork mechanism schematic front view
Fig. 7 disc type direction becomes splits angle suspension fork mechanism schematic top plan view
Fig. 8 disc type direction becomes splits angle suspension fork mechanism schematic side view
The mechanical, electrical combination drive of Fig. 9 becomes splits angle suspension fork mechanism schematic front view
The mechanical, electrical combination drive of Figure 10 becomes splits angle suspension fork mechanism schematic side view
Left wheel after 1-, 1 '-rear right wheel, 2-longitudinal rod, the short after cross member of 3-, 3 '-long after cross member, chute bracket after 4-tightening screw 5-, 5 '-front chute bracket, 6 '-tail skid, 6 '-front slide, 7-worm screw, 8-worm gear, 9-rear motor 9 '-front motor, 10-rear left pivot arm, 10 '-front left pivot arm, 11-rear right pivot arm, 11 '-front right pivot arm, pivot arm sleeve after 12-, 12 '-front pivot arm sleeve, 13-intermediate transverse girder, 14-left direction handle, 14 '-right direction handle, 15-front right vertical shaft sleeve, 15 '-rear right vertical shaft sleeve, 16-front right vertical shaft, 16 '-rear right vertical shaft, 17-front right spring, 17 '-rear right spring, 18-front right hinge axis, 18 '-rear right hinge axis, 19-front right sliding shaft sleeve, 19 '-rear right sliding shaft sleeve, 20-optical axis, left wheel before 21-, 21 '-front right wheel, 22-framework, 23-brake pedal, 24-driving engine, the two-way expansion tightening wheel of 25-freeing pipe 26-, the little jam nut of 27-, the large jam nut of 28-, 29-chain, 30-castellated shaft, 31-sprocket wheel, the two fork of 32-, forward and reverse screw rod after 33-, (, to silk, ), , 33 '-front forward and reverse screw rod, (, to silk, ), , 34-forward pin nut, 34 '-oppositely pin nut, 35-positive pin nut frame, 35 '-anti-market nail nut frame, 36-screw shaft bearing, 37-foot operated speed changer bar, 38-Fuel Tank, 39-foot-driven lever, flexible wheel base switch before 40-, 40 '-rear flexible wheel base switch, 41-bearing, 42-bearing spline housing, 43-hub bearing, 44-rear-wheel hub, 44 '-front wheel hub, 45-overriding clutch, 46-car light, 47-saddle 48-storage battery, 48 '-battery pack, 49-bearing circle, 50-Steering gear, 51-front cross rail, 52-active steering gear, 53-fan inner gear chute bracket, 54-front left " N " type pivot arm, 54 '-front right " N " type pivot arm, 55-brake clamp, 56-brake disc, 57-driving switch, 58-charging socket, 59-armature coil, 60-stator coil, 61-stator case, 62-brush, 63-commutator, 64-positive terminal, 65-earth screw, 66-negative terminals
Detailed description of the invention
Particular content of the present invention and embodiment is further illustrated below in conjunction with embodiment described in accompanying drawing.
Pivot arm splits mode suspension frame structure:
The rotation centerline of two pivot arms 10 ', 11 ' of propons is positioned at Y1 axial location, between pivot arm 10 ', 11 ', the mode of splitting has symmetry, the angle E1 that splits between pivot arm 10 ', 11 ' represents, when angle E1 is split in change, pivot arm 10 ', 11 ' drives wheel 21,21 ' on propons to change wheelspan W1 between two wheels along slip optical axis 20 respectively.The rotation centerline of two pivot arms 10,11 suspension of back axle is positioned at Y2 axial location, between pivot arm 10,11, the mode of splitting has symmetry, the angle E2 that splits between pivot arm 10,11 represents, when angle E2 is split in change, pivot arm 10,11 drives wheel 1,1 ' on back axle to change wheelspan W2 between two wheels along castellated shaft 31.Between forward and backward bridge, changeable wheelbase is L.
The control of wheelspan W1, W2:
Changing forward and backward bridge, to split the control structure of angle E1, E2 identical.The wheel tread adjusting mechanism overlapped by forward and backward two respectively forms.Wherein be described apart from W2 to control rear axle wheel.Angle E2 between pivot arm 10,11 is through motor 9, worm screw 7, worm gear 8, forward and reverse screw rod 33, positive pin nut 34, anti-markets nail nut 34 ', positive pin nut frame 35, anti-markets the control of nail nut frame 35 '.Wherein motor 9, worm screw 7, worm gear 8, forward and reverse screw rod 33, screw shaft bearing 36 are all arranged on tail skid 6, and slide plate 6 is arranged in chute bracket 5, make chute bracket 5 relative movement relatively of slide plate 6 energy.Two positive and negative pin nut framves 35,35 ' are welded on pivot arm 10,11 respectively, then be connected with positive and negative pin nut frame 35,35 ' through articulated structure respectively with positive and negative pin nut 34,34 ', two that recycle forward and reverse screw rod 33 coordinate with positive and negative pin nut 34,34 ' respectively.When powering for motor 9 through Vehicular accumulator cell, switch 40, motor 9, when worm screw 7 drives worm gear 8 to drive forward and reverse screw rod 33 to rotate forward, makes the spacing M of two pin nuts 34,34 ' become large; And motor 9 is when rotating in the opposite direction, the spacing M of two pin nuts 34,34 ' is diminished.Control M size just changes between pivot arm 10,11 splits angle E2 size, realizes the change of wheelspan W2 between wheel 1,1 '.As shown in Figure 2, changing M size because of the opposing oscillatory of pivot arm 10,11, the change of the spacing F of forward and reverse screw rod 33 axis and Y2 axis can be caused when changing M.The free motion of slide plate 6 is ensured when therefore adopting slide plate 6 and chute bracket 5 Structure adaptation F to change.In like manner, motor 9 ' hand of rotation can be controlled through switch 40 ' and change the size of angle E1 between propons pivot arm 10 ', 11 '.As shown in Figure 5, current, back axle suspension split angle E1, E2 when diminishing respectively, can not only the wheelspan of two bridges be diminished as W1 ', W2 ' respectively, also the axle base of forward and backward bridge can be become greatly L '.
Steering hardware controls:
Pivot arm 10 ', 11 ' and drive overall to rotate around Y1 axle of the wheel 21,21 ' be arranged on optical axis 20 to realize steering procedure is driven respectively with two steering handles 14,14 '.
Embodiment 1
The change of the present embodiment splits that angle suspension fork mechanism is engine driving mode, handle type direction, " n " type pivot arm, wheel tread adjusting mechanism are upwards arrangement, further illustrates by reference to the accompanying drawings shown in 1,2,3,4,5:
Rotary swinging arm structure:
Variable angle suspension fork mechanism of splitting is divided into forward and backward two parts, two pivot arm sleeves 12 ', 12 are welded on the two ends of intermediate transverse girder 13 respectively, the axis of pivot arm sleeve 12 ', 12 lays respectively at Y1, Y2 axial location, and two Y1, Y2 axial location are respectively as the forward and backward variable centre of gration splitting angle suspension.Form two pivot arm 10 ', 11 ' center of oscillation of front axle suspension in Y1 axial location, and between pivot arm 10 ', 11 ', variable angle of splitting is E1.Form two pivot arms 10,11 center of oscillation of back axle suspension in Y2 axial location, and between pivot arm 10,11, variable angle of splitting is E2.Forward and backward bridge is variable, and to split angle suspension frame structure identical, is wherein example explanation with back axle suspension frame structure.The axle sleeve of pivot arm 11 is installed in sleeve 12, and the axle journal of pivot arm 10 is also installed in pivoted arm 11 axle sleeve, and have antifictionbearing structure relatively easily to rotate respectively between sleeve 12, pivoted arm 11 axle sleeve, pivoted arm 10 axle journal.That is: sleeve 12 internal diameter and pivoted arm 11 axle sleeve major diameter fit, pivoted arm 11 sleeve diameter and the outer journal engagement of pivoted arm 10.The large jam nut 28 of relative position between Y2 axis direction sleeve 12 and pivoted arm 11 axle sleeve regulates restriction, and the relative position between pivoted arm 11 axle sleeve and pivoted arm 10 axle journal regulates with little jam nut 27 and limits, or bear the gravity loading from intermediate transverse girder 13, sleeve 12 ' through large and small jam nut 28,27.Its four pivot arms 10,11,10 ', 11 ' projection is in fig. 1 all " n " type structure, and pivot arm 10,11 being arranged in sleeve 12 and pivot arm 10 ', 11 ' is arranged on the interior process of sleeve 12 ' is all mode from top to bottom.
Back axle wheel and rotating arm connecting structure:
Back axle two wheels 1,1 ' are identical with the support and connection mode of pivot arm 10,11 respectively.Wherein connect rear wheel 1 ' for example with pivot arm 11 to illustrate.First the termination of pivot arm 11 is welded with vertical shaft sleeve 15 ', be slidably installed in vertical shaft sleeve 15 ' vertical shaft 16 ', vertical shaft sleeve 15 ' and vertical shaft 16 ' adopt spring 17 ' to support at Y2 direction of principal axis, and vertical shaft 16 ' lower end is connected with sliding shaft sleeve 19 ' through hinge axis 18 '.Then sliding shaft sleeve 19 ' is through hub bearing 43, wheel hub 44 installing wheel 1 ', and wheel 1 ' and pivot arm 11 are linked together.Wherein, hub bearing 43 structure is adopted to ensure to rotate freely between wheel 1 ' relative sliding axle sleeve 19 '; Adopting vertical shaft sleeve 15 ', vertical shaft 16 ' structure to ensure therebetween can relative motion also can relative to G to rotating up and down; Adopt hinge axis 18 ' structure ensure vertical shaft 16 ', sliding shaft sleeve 19 ' therebetween can relatively H to rotary oscillation.
Rear-axle drive and supporting construction:
The driving of back axle two wheels 1,1 ' is all identical with supporting construction, and has symmetry.With driving wheel 1 ' for example illustrates.First sliding shaft sleeve 19 ' inside is connected with castellated shaft 30 through bearing 41, bearing spline housing 42.The first keeps the radial support relation between sliding shaft sleeve 19 ' and castellated shaft 30 through bearing 41, bearing spline housing 42, also ensures the free rotation relation between castellated shaft 30 and sliding shaft sleeve 19 '; It two is realize J between bearing spline housing 42 and castellated shaft 30 to sliding relation.Then adopt castellated shaft 30 through the spline housing structure of overriding clutch 45, castellated shaft 30 is utilized to obtain power through sprocket wheel 31, chain 29 from driving engine 24, be with motor car wheel 1 ' to rotate through overriding clutch 45 drive hub 44 again, the torque T from driving engine 24 is passed to wheel 1 ' through castellated shaft 30.
In addition, the length change of chain 29 transmission distance N can be caused when wheelspan W2 changes, adopt two-way expansion tightening wheel 26 to regulate tensioner degree because of chain 29 in N change procedure.Sprocket wheel 31 may be caused when wheelspan W2 changes to move at its axis direction, adopt two fork 32 structures to be fixedly connected with after cross member 3 through longitudinal rod 2, utilize the longitudinal travel of two fork 32 restriction sprocket wheel 31.Two wheels 1,1 ' next adopt two overriding clutch 45 drive configurations be arranged symmetrically with respectively, produce rotating speed and interfere when preventing detour condition from travelling between two wheels 1,1 '.
The structure of front support bridge:
Front vehicle wheel 21,21 ' and pivot arm 10 ', 11 ' as front support bridge.Be with the difference of rear driving axle: do not need castellated shaft 30, overriding clutch 45 drive configuration, also do not need the middle axial support structure of bearing 41, bearing spline housing 42.It is also symmetrical structure that propons supports, and wherein with wheel 21 ', its concrete supporting construction is described.First identical with back axle supporting construction is: the termination of pivot arm 11 ' is welded with vertical shaft sleeve 15, be slidably installed in vertical shaft sleeve 15 vertical shaft 16, vertical shaft sleeve 15 and vertical shaft 16 adopt spring 17 to support at Y1 direction of principal axis, vertical shaft 16 lower end is connected with sliding shaft sleeve 19 through hinge axis 18, sliding shaft sleeve 19, through hub bearing 43 ', wheel hub 44 ' installing wheel 21 ', links together pivot arm 11 ' and wheel 21 '.Then not identical with rear driving axle supporting construction is: adopt optical axis 20 directly through sliding shaft sleeve 19 as radial support relation, also to ensure to make between axle sleeve 19 with optical axis 20 relative to J to moving, or wheel 21 ' can move axially.
Wheel tread adjusting mechanism:
Wheel tread adjusting mechanism is divided into front axle wheel to regulate apart from W1 and rear axle wheel apart from W2, and the regulative mode of wheelspan W1, W2 is identical, is symmetrical structure respectively.Wherein with regulating rear axle wheel distance W2 to be example explanation.The angle E2 that splits between pivot arm 10,11 first drives through motor 9 that worm screw 7 drives worm gear 8, forward and reverse screw rod 33 rotates; Then coordinate with forward and reverse pin nut 34,34 ' respectively through two terminations of forward and reverse screw rod 33; Be connected with positive and negative pin nut frame 35,35 ' by articulated manner respectively through forward and reverse pin nut 34,34 ' again; Finally positive and negative pin nut frame 35,35 ' is welded on pivot arm 10,11.When powering for motor 9 through Vehicular accumulator cell, switch 40 ', when motor 9 drives worm screw 7, worm gear 8, screw rod 33 to rotate forward, the spacing M of two pin nuts 34,34 ' is made to become large, and motor 9 is when rotating in the opposite direction, the spacing M of two pin nuts 34,34 ' is diminished, change angle E2 size between pivot arm 10,11 through M, realize the change of the spacing W2 of wheel 1,1 '.Because the change of the spacing F of forward and reverse screw rod 33 axis and pivot arm 10,11 rotation axis Y2 can be caused when M changes, adopt change slide plate 6 being arranged on chute bracket 5 inner structure adaptation distance F.Respectively motor 9, worm screw 7, worm gear 8, forward and reverse screw rod 33, screw shaft bearing 36 are all arranged on slide plate 6, when distance F changes, the movement in chute bracket 5 of forward and reverse screw rod 33 followed by slide plate 6.In like manner, motor 9 ' rotation can be controlled through switch 40 and change the size of angle E1 between propons pivot arm 10 ', 11 '.Current, back axle suspension split angle E1, E2 when changing respectively, as shown in Figure 5, forward and backward bridge tyre tread can not only be changed into W1 ', W2 ' respectively, also the axle base of forward and backward bridge can be changed into L '.
Due to wheel 1,1 ', 21,21 ' and exists between ground respectively and rub, therefore must carry out gradually in wheel rolling in the process of transverse direction change wheelspan W2, W1.
Course changing control structure:
Propons is as steeraxle.Its steering procedure drives pivot arm 10 ', 11 ' to drive two wheels 21,21 ' to rotate around Y1 axle through left and right directions 14,14 ' respectively, and simultaneously the wheel tread adjusting mechanism of propons is also followed pivot arm 10 ', 11 ' and rotated together.Wherein the left end of chute bracket 5 ' is provided with macropore and pivot arm 11 ' axle sleeve major diameter fit, and at Y1 direction of principal axis chute bracket 5 ' between sleeve 12 ' and pivoted arm 11 ' axle sleeve flange step.That is: can relatively rotate respectively between any two in sleeve 12 ', pivot arm 10 ', pivot arm 11 ', chute bracket 5 ' four, all adopt sliding matching structure.Wherein needing to relatively rotate between pivot arm 10 ', 11 ' because changing angle E1, also needing pivot arm 10 ', 11 ' to rotate between relative sleeve 12 ' respectively, also need pivoted arm 10 ', 11 ' to rotate between chute bracket 5 ' respectively.Also because in steering procedure, pivot arm 10 ', 11 ' and chute bracket 5 ' all relative sleeve 12 ' rotate.As shown in Figure 2, between pivot arm 10 ', 11 ', split angle E1 when fixing, if motor 9 ' axis or between chute bracket 5 ' diad and pivot arm 10 ', angle P increases time just bear left to, and just bear right when angle P reduces to.
Back axle, not as steeraxle, does not allow pivot arm 10,11 to rotate around Y2 axis.It is realized by fixing chute bracket 5 that restriction back axle rotates.That is: the right-hand member of chute bracket 5 is enclosed within the axle sleeve external diameter of pivoted arm 11 through macropore, and left end is fixed on chute bracket 5 on after cross member 3 through two tightening screws 4, and chute bracket 5 can not be rotated around Y2 axle.Then through slide plate 6, forward and reverse screw shaft bearing 36, forward and reverse screw rod 33 and pin nut 34,34 ' and pin nut frame 35,35 ' limit pivot arm 10,11 and can not rotate around Y2 axis.
Embodiment 2
The difference of the present embodiment and embodiment 1 is: first is that propons adopts disc type direction, and second is change pivot arm for " N " type structure for adapting to disc type direction.Further illustrate shown in 6,7,8 by reference to the accompanying drawings:
Adopt disc type direction to make easily to control steering procedure through gear structure, alleviate the labour intensity of navigating mate.For adapting to steering wheel type mode, pivot arm adopts " N " type structure; Wheel tread adjusting mechanism adopts downward arrangement.Front cross rail 51 is provided with Steering gear 50, and the upper end of Steering gear 50 is provided with bearing circle 49 and lower end is provided with active steering gear 52, and gear 52 drives the chute bracket 53 with fan internal tooth to rotate and realizes steering procedure.Back axle, also not as steeraxle, is fixed on the left end of chute bracket 5 on after cross member 3 ' with two tightening screws 4, and restriction chute bracket 5 back axle rotates.
" N " type of employing swing boom configuration is conducive to the strained condition improving little jam nut 27 and large jam nut 28, and the flange step of main dependence pivoted arm 11 axle sleeve and pivoted arm 10 axle journal bears the gravity loading from sleeve 12 '.Because forward and backward suspension frame structure is identical, for front suspension, the mode that the axle of pivot arm 54,54 ' is installed to pivot arm sleeve 12 ' interior is installed from bottom to top, distinguishes locking rotating pivoted arm 54,54 ' with little jam nut 27 and large jam nut 28 in upper end.No matter " N " type pivot arm of the present embodiment, or " n " type pivot arm of embodiment 1, the core connection structure mode of their two terminations is identical.Comprising identical with the articulated structure of pivot arm sleeve 12,12 ', and it is identical with the articulated structure of sliding shaft sleeve 19,19 ', just " midway location shape bending direction " and " installation direction " is different, and the performance characteristic of core texture does not have essence to change.
Embodiment 3
The difference of the present embodiment and embodiment 2 is: increasing front support bridge is electric motor-driving way, the framework 22 of original supporting engines 24 assembles battery pack 48 ', connects two hub-type motors at sliding shaft sleeve 19 external diameter position and drive two front vehicle wheels 21,21 ' respectively.Further illustrate shown in 9,10 by reference to the accompanying drawings:
Two hub-type electrically driven wheels 21,21 ' are symmetrical structure.With wheel 21 ' for example illustrates, armature coil 59 and armature are connected with the wheel hub of wheel 21 ' and warp beam winding sliding shaft sleeve 19 rotates, and stator coil 60 is fixedly connected with sliding shaft sleeve 19 antagonistic force bearing driving process through stator case 61.One end of armature coil 59 is connected with positive terminal 64 through commutator 63, brush 62, wire, and the other end of armature coil 59 is connected with negative terminals 66, forms electric loop through screw 65 bonding ground connection.
One end of stator coil 60 is connected with positive terminal 64 through wire, and the other end of stator coil 60 is connected with negative terminals 66, forms electric loop through screw 65 bonding ground connection.
There iing the fixed-site of power supply through socket 58 for battery pack 48 ' charges.The mode of operation of electric wheel 21,21 ' is controlled through switch 57, as type of drive, braking or generation mode, power-down mode in motion process.Two rear wheel 1,1 ' engine drives and two front vehicle wheel 21,21 ' motor drive modes are adopted to be conducive to driving stability and to drive direction to control; Can also effectively improve cross country power simultaneously and utilize front vehicle wheel braking procedure to reclaim electric energy.
Claims (4)
1. a flexible wheel base suspension fork mechanism for walking machine, becomes primarily of front and back and splits angle suspension fork mechanism, wheel base regulating mechanism and steering hardware composition, it is characterized in that:
The change of described front and back is split angle suspension fork mechanism and is formed front-rear axle respectively, the fore suspension and rear suspension that angle suspension fork mechanism is symmetrical structure is split in former and later two changes described, fore suspension and rear suspension is made up of the left-right rotary pivoted arm be arranged symmetrically with respectively, described left-right rotary pivoted arm one end is hinged and pin jointed end is fixed on intermediate transverse girder (13) by pivot arm sleeve, the described left-right rotary pivoted arm other end is fixed with vertical shaft and the vertical shaft sleeve of suit, one end and the sliding shaft sleeve of vertical shaft are hinged, described sliding shaft sleeve is arranged on the two ends of the optical axis (20) on front-wheel and the castellated shaft (30) on trailing wheel respectively, angle between described left-right rotary pivoted arm is regulated by wheel base regulating mechanism, the sliding shaft sleeve on optical axis (20) and castellated shaft (30) is driven to slide axially respectively,
The structure of described wheel base regulating mechanism is identical and be symmetrical structure, front suspension wheelspan (W1) and rear suspension wheelspan (W2) by between pivot arm (10,11) after changing left and right respectively split angle (E2) and left and right before angle (E1) of splitting between pivot arm (10 ˊ, 11 ˊ) adjust;
Described steering hardware presses arrangement travel direction wushu course changing control or the steering wheel type course changing control of wheel base regulating mechanism;
Antifictionbearing coaxial line is adopted to be set with between the front left pivot arm (10 ˊ) of described front suspension, front right pivot arm (11 ˊ), front pivot arm sleeve (12 ˊ), adopt antifictionbearing coaxial line suit equally between the rear left pivot arm (10) of described rear suspension, rear right pivot arm (11), rear pivot arm sleeve (12), two axial lines remains in same plane and arranges.
2. the flexible wheel base suspension fork mechanism of a kind of walking machine according to claim 1, is characterized in that:
Bearing fit is adopted and by spring supporting between described vertical shaft and vertical shaft sleeve, behind left and right, sliding shaft sleeve (19 ˊ) is sleeved on the bearing spline housing (42) that matches with castellated shaft (30) by bearing (41), behind left and right, wheel hub (44) is installed by hub bearing (43) in sliding shaft sleeve (19 ˊ) outside, drives left and right rear wheel (1,1 ˊ) to rotate through castellated shaft (30), overriding clutch (45), wheel hub (44); Described left and right front slide axle sleeve (19) inside directly coordinates with optical axis (20), and the outside of sliding shaft sleeve (19) is installed wheel hub (44 ˊ) by hub bearing (43 ˊ) or installs left and right front vehicle wheel (20,21 ˊ) by two hub-type motors.
3. the flexible wheel base suspension fork mechanism of a kind of walking machine according to claim 1, is characterized in that:
Described wheel base regulating mechanism is respectively by pin nut frame, positive and negative pin nut and forward and reverse screw rod composition, described pin nut frame symmetry is fixed on left-right rotary pivoted arm, and it is hinged with positive and negative pin nut respectively, forward and reverse screw thread fit at positive and negative pin nut and forward and reverse screw rod two ends, forward and reverse screw rod controls to rotate by motor-driven worm-and-wheel gear, to regulate spacing (M) size of two pin nuts, the wheelspan between left and right wheels is driven to change respectively through left-right rotary pivoted arm, described motor controls to be powered by Vehicular accumulator cell (48) by switch (40), described wheel base regulating mechanism is arranged by upper and lower two kinds of modes, and wherein go up arrangement and be used for left and right directions (14,14 ˊ) formula course changing control, lower arrangement is used for bearing circle (49) formula course changing control.
4. the flexible wheel base suspension fork mechanism of a kind of walking machine according to claim 3, is characterized in that:
Worm-and-wheel gear in described wheel base regulating mechanism, motor, forward and reverse screw rod and screw shaft bearing are arranged on the slide plate of front and back respectively, described front and back slide plate is arranged in the chute bracket of front and back respectively, before and after front and back slide plate is relative with the change of pivot arm bushing core linear distance with forward and reverse screw rod, chute bracket carries out relative movement, described rear chute bracket (5) is fixed on after cross member, and described front chute bracket (5 ˊ) can around front pivot arm sleeve (12 ˊ) line of centers unitary rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000297.7A CN103057631B (en) | 2013-02-08 | 2013-02-08 | Wheel track changing suspension mechanism of traveling machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310000297.7A CN103057631B (en) | 2013-02-08 | 2013-02-08 | Wheel track changing suspension mechanism of traveling machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103057631A CN103057631A (en) | 2013-04-24 |
| CN103057631B true CN103057631B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310000297.7A Expired - Fee Related CN103057631B (en) | 2013-02-08 | 2013-02-08 | Wheel track changing suspension mechanism of traveling machinery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103802600B (en) * | 2013-12-18 | 2016-01-20 | 浙江吉利控股集团有限公司 | A kind of rear track can the automobile of modulation |
| CN107054527B (en) * | 2014-12-10 | 2019-05-24 | 速珂智能科技（上海）有限公司 | A kind of wheel can clutch Portable electric bicycle |
| CN104554568B (en) * | 2014-12-10 | 2017-08-04 | 盐城雄鹰精密机械有限公司 | A kind of car wheel structure of disengaging type |
| CN105292259B (en) * | 2015-11-05 | 2017-08-25 | 国网山东省电力公司聊城供电公司 | A kind of lateral shaft is away from variable transport vehicle |
| CN105667636A (en) * | 2016-03-12 | 2016-06-15 | 苏州高新区镇湖五金厂 | Rear wheel bracket of bicycle and bicycle |
| CN109533160A (en) * | 2019-01-09 | 2019-03-29 | 香河强胜电动车制造有限公司 | Two-wheeled three-wheel can free switching electric vehicle |
| CN110103641B (en) * | 2019-05-19 | 2020-02-07 | 柳州市孚桂智能科技有限公司 | Motor vehicle wheel track adjusting mechanism and control method thereof |
| CN112776930A (en) * | 2019-11-11 | 2021-05-11 | 上海艺烁实业有限公司 | Electric vehicle rear wheel frame structure capable of freely switching single wheel and double wheels |
| CN116965393B (en) * | 2023-09-22 | 2024-01-12 | 安徽农业大学 | High-clearance variable-track plant protection machine and operation control method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899037A (en) * | 1973-07-16 | 1975-08-12 | Paul A Yuker | Chassis apparatus for all terrain vehicles |
| CN102514628A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Vehicle chassis with tread adjusted in stepless adjustment mode |
| CN102514627A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Agricultural vehicle chassis with stepless-regulated wheel track |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2844245B1 (en) * | 2002-09-10 | 2005-04-29 | Jean Marie Obry | UNIVERSAL VEHICLE FOR ROAD TRANSPORT, WANDAGE AND GROUND GUARD VARIABLES |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3899037A (en) * | 1973-07-16 | 1975-08-12 | Paul A Yuker | Chassis apparatus for all terrain vehicles |
| CN102514628A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Vehicle chassis with tread adjusted in stepless adjustment mode |
| CN102514627A (en) * | 2011-12-26 | 2012-06-27 | 中国农业大学 | Agricultural vehicle chassis with stepless-regulated wheel track |
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