CN209290542U - A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel - Google Patents
A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel Download PDFInfo
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- CN209290542U CN209290542U CN201821844857.1U CN201821844857U CN209290542U CN 209290542 U CN209290542 U CN 209290542U CN 201821844857 U CN201821844857 U CN 201821844857U CN 209290542 U CN209290542 U CN 209290542U
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- parallel operation
- crawler belt
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Abstract
A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel, including the positive reverted austenite parallel operation of wheel, crawler travel component and wheel carry out connection component.Need crawler belt when driving, crawler unit and wheel are carried out into connection component and are mounted on wheel lower part, crawler belt is compressed using vehicle weight, by wheel reversing, mechanism makes wheel reversing, tire drives after track outer surface, the segment track at crawler travel component rear portion will constantly be wound, the crawler belt of front will be constantly released, under the action of take-up force, forward travel.The positive reverted austenite parallel operation of the wheel, is made of, including sun gear, planetary gear, gear ring and planet carrier one group of planetary gear train.The utility model can be substantially reduced wheel ground pressure, while avoiding and being easy to appear the disadvantages of transfer force is concentrated, volume is larger with the wheeled vehicle caterpillar attachment that intermediate idler is driven, and easy-to-use, versatile, manufacturing cost is low.
Description
Technical field
The utility model belongs to wheeled and crawler belt convertible vehicle technical field, and in particular to one kind has the positive reverted austenite of wheel
The caterpillar attachment system and wheeled vehicle of parallel operation.
Background technique
The difficult road conditions such as sand ground, ice and snow when driving, it is desirable to give wheeled vehicle to install caterpillar system additional, got over improving it
Wild ability.The existing technology that the wheeled vehicles such as pick up, car, SUV are converted into crawler belt driving status, can be generalized into two types
Type: one is driving forces to act in internal track surfaces, will when use using the triangle crawler belt of Mattracks company, the U.S. as representative
Former wheel removal replaces wheel with triangle crawler belt；Such caterpillar attachment is heavy and installation and dismounting are inconvenient.It is another
Kind is that driving force is had an effect in track outer surface, recorded in United States Patent (USP) US8776931 and Chinese patent CN107650595
Scheme be representative；Without removing former wheel, but must by the direction of rotation of external toothing transmission rear main wheel and driven wheel
It is real by intermediate idler transmission reverse rotation direction again so on the contrary, so intermediate idler to be added between wheel and crawler belt
Existing crawler belt winding rotates in the same direction with wheel；This scheme, although not needing to remove former wheel, wheel connects with intermediate idler
Contacting surface accumulates very little, and for cornerite of the crawler belt on idle pulley again smaller than 120 degree, only 1 to 3 teeth participate in driving, and stress is concentrated seriously, held very much
Easily tear tyre surface and crawler belt to shreds.Alleviate this problem, prior art selection as far as possible designs the diameter of intermediate idler big (usually
Greater than 25cm), cause the volume of device and quality to increase, only large-scale pick up can be onboard, and convenience is not high.
For this purpose, the utility model changes the driving for the addition type crawler belt that existing driving force is had an effect in track outer surface
Method: with wheel without intermediate idler directly in outer surface drive crawler belt, while increasing the positive reverted austenite parallel operation of wheel to vehicle,
To realize the correct matching in crawler belt winding direction and vehicle heading.Which not only adds the packets between crawler belt and driving wheel
Angle and contact area avoid stress concentration；Structure can also be simplified, densification and lightweight is realized, reduce manufacture and use
Cost, to solve the deficiency of existing scheme.
Utility model content
The main purpose of the utility model is to provide a kind of caterpillar attachment system and wheel with the positive reverted austenite parallel operation of wheel
Formula vehicle improves the full landform traffic capacity of vehicle to reduce the ground pressure of vehicle under difficult road conditions.
First purpose of the utility model is to provide such a caterpillar attachment system, can reduce wheeled vehicle ground connection
Pressure, while tire driving part is not susceptible to stress concentration, to reduce the probability for tearing tire in use to shreds.
Second purpose of the utility model is to provide such a caterpillar attachment component, and caterpillar attachment component may be implemented
Densification and lightweight.
The optional purpose of third of the utility model is to provide such a caterpillar attachment component, uses tire tread frictional force
Crawler belt is directly driven, crawler belt only designs adhesive force and increases decorative pattern, track drive tooth or drive hole is not provided with, to simplify crawler belt manufacture
Technique reduces manufacturing cost.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of caterpillar attachment system with the positive reverted austenite parallel operation of wheel has 1 to install to the positive reverted austenite parallel operation of n wheel
In to the power train of wheeled vehicle, n crawler travel component and wheel carry out connection component be installed on corresponding wheel, n is wheel
Quantity.
The positive reverted austenite parallel operation of the wheel, is made of, including sun gear one group of planetary gear train, planetary gear, gear ring and
Planet carrier needs crawler belt when driving, and prior art vehicle transmission system is therefrom separated, the sun gear and tooth of positive reverted austenite parallel operation
Circle is connected in the remote wheel face and nearly wheel face of the two sections respectively as input gear and output gear, and planet carrier is fixed
It is connected to vehicle chassis.According to the transmission principle of planetary gear train, sun gear and gear ring direction of rotation are on the contrary, vehicle in this case
Wheel will reverse and drive crawler belt, ensure that the correct of crawler belt driving direction.Need it is wheeled when driving, with locking device by sun gear,
Any two in planetary gear, gear ring and four elements of planet carrier connect locking and are integrated, the input and output of planetary gear train
Part will rotate at the same speed, with steering, restore the normal direction of rotation of wheel.
Optional: sun gear, planetary gear, gear ring in the positive reverted austenite parallel operation of vehicle are designed to angular wheel, composition cone tooth
Planetary gear train is mounted on hub for vehicle wheel outer end, facilitates arrangement and using control.
Preferred: locking mechanism enters the gap between sun gear and gear ring using a hollow spline inserting and locks the two.
The crawler travel component, including crawler belt, bogie wheel, directive wheel, support wheel, support wheel distance adjustor and crawler belt
Frame；Compared with common four-wheel one is with creeper undercarriage, which driving wheel and tensioning wheel are not arranged specially, and crawler belt travels shape
Under state, which carries out connection component by wheel and is installed to wheel lower part, and vehicle weight can pass through wheel automatic impaction crawler belt, crawler belt
The arc-shaped junction that segment track between component upper support wheel forms lower concave ring around wheel lower part, wheel tyre surface can be straight
Connected frictional force or decorative pattern bumps attachment power drive crawler belt.In the present invention, the driving force of crawler belt and tensile force all by
Wheel provides.
Preferably, the positive reverted austenite parallel operation of wheel is only installed on the relevant driving route of vehicle traction wheel；Non-driving wheel
On crawler travel component is only installed, make servo-actuated operating under frictional ground force effect.
Preferably, support wheel distance adjustor is arranged in crawler travel component, big for adjusting the distance between support wheel axis
It is small, to match different size of wheel in a certain range.
It includes the parts such as rigid rod, plate, bearing or idler wheel that the wheel, which carries out connection component,.For by crawler travel component about
Beam is in wheel lower part.Connection component top is mounted on axis wheel position by a cantilever with bearing, can be in wheel radial direction
Constraint is provided to crawler travel component with axial, while allowing wheel that can carry out connection component relative to wheel and being freely rotated.When necessary
It further includes anti-vert connecting rod or anti-connection chain of verting that wheel, which carries out connection component, is connected between track frame and vehicle body, with to prevent
Only crawler travel component integrally verts around axletree.
Preferably, crawler travel component carries out connection component with rigid wheel and is connected to core wheel outer end by the cantilever with bearing,
When Vehicular turn, steering force is passed to crawler belt by rigid member and travels component by wheel hub；Deflecting roller is used to use band to overcome
Side position idler wheel claw side plate connection component transmits steering force by pneumatic tire and travels component to crawler belt, easily goes out because deformation is larger
Turn now to not accurate problem.
Optionally, using claw side plate connecting band track traveling component and wheel with side position idler wheel, pacify installation and dismantling to simplify
It unloads.
The caterpillar attachment system with the positive reverted austenite parallel operation of wheel, track drive method is: utilizing vehicle weight
Wheel is pressed on above crawler travel component by power, makes wheel reversing, wheel under forward travel state by the positive reverted austenite parallel operation of wheel
Any linear velocity of circumference lowest part will be identical as vehicle forward direction, cock wheel section under the action of frictional force or decorative pattern adhesive force
Crawler belt linear velocity also will be identical as vehicle forward direction, and the segment track at crawler travel component rear portion will constantly be wound, front
Crawler belt will constantly be released, at rear portion under the action of the take-up force of crawler belt, vehicle will move forward in the case where crawler belt drives.
The caterpillar attachment system with the positive reverted austenite parallel operation of wheel, is: needing wheeled row using operating method
When sailing, crawler unit and wheel are carried out into connection component and removed from vehicle, the positive reverted austenite parallel operation of vehicle wheel is set as rotating forward
State, vehicle will use wheel type normally travel.It needs crawler belt when driving, crawler travel component and wheel is carried out into connection component and are mounted on
On wheel, the positive reverted austenite parallel operation of vehicle is set as inverted-state, counter-rotating is driven track components to normal side by wheel
To traveling.
Compared with prior art, the utility model is with following the utility model has the advantages that eliminating the prior art as guarantee crawler belt
Coiling direction is correct and is set to the idle pulley between wheel and crawler belt, track outer surface is directly driven by wheel surface, so that wheel
Contact cornerite of the tire with crawler belt can be greater than 120 °, solve driving in the prior art contact area be small, stress concentrate it is serious, hold
The shortcomings that easily tearing tyre surface and crawler belt to shreds, increases the reliability of transmission.In terms of densification and lightweight, due to eliminating centre
The height of addition type crawler belt can be reduced by 40% or more, can be reduced significantly device volume by idle pulley；It is tensioned using vehicle own wt
Crawler belt can not set strainer；In summary two favorable factors, can alleviator weight in the case where transmitting power condition of equivalent
35% or more, it is onboard convenient for small vehicle.In terms of manufacturing convenience, since wheel directly drives crawler belt, crawler belt is not required to
Drive hole or manufacture sliding tooth are specially opened, particular manufacturing craft is not necessarily to, can be produced with conventional flat rubber belting manufacturing process；According to market tune
It looks into, 50% or more cost can be reduced under equal conditions.In terms of using effect, after common wheeled vehicle installs this caterpillar attachment, connect
Ground reduces by 80% or more than pressure energy, by increasing the method for crawler belt area, has the potentiality for further decreasing grounding pressure, makes to install additional
The car, SUV and commercial wheeled vehicle of this caterpillar attachment have the full landform traffic capacity.It is different by setting planetary gear train
Deceleration torque increase may be implemented in gear ratio, increases wheel peak torque；Caterpillar attachment ground-engaging element can also be liftoff by chassis minimum
Padded 15cm to the 40cm in gap, greatly improves general car, SUV and commerial vehicle in passability and torsional performance.
Detailed description of the invention
The chief component and power transmission schematic illustration of Fig. 1 the utility model；
Fig. 2 crawler travel modular construction schematic diagram；
Fig. 3 crawler belt travels component composition and direction of rotation schematic diagram；
1 power transmission route of Fig. 4 embodiment and direction of rotation schematic diagram；
The positive reverted austenite parallel operation revolving speed of Fig. 5 planetary gear type wheel analyzes schematic diagram；
The positive reverted austenite parallel operation of 3 wheel of Fig. 6 embodiment and wheel, crawler belt travel component positional diagram；
3 planet carrier of Fig. 7 embodiment, wheel carry out connection component, the anti-chain schematic diagram that verts
3 sun gear of Fig. 8 embodiment, wheel and crawler belt direction of rotation relational graph；
In figure: the positive reverted austenite parallel operation of 1- wheel, 2- crawler travel component, 3- wheel carry out connection component, 4- prime mover；5- transmission
System, 6- wheel, 7- crawler belt, 8- carrying roller, 9- directive wheel, 10- support wheel, 11- track frame, 12- support wheel distance adjustor, 13-
Gearbox, 14- wheel hub, 15- semi-shaft shaft head outer end, 16- sun gear, 17- gear ring, 18- planetary gear, 19- planet carrier, 20- anti-dumping
Turn chain.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings.
A kind of caterpillar attachment system with the positive reverted austenite parallel operation of wheel has 1 to arrive the positive reverted austenite parallel operation of n wheel, n
Crawler travel component, n wheel carry out connection component, and n is wheel count.
Referring to Fig. 1 to Fig. 7, the positive reverted austenite parallel operation 1 of wheel is made of, including sun gear 16, planetary gear one group of planetary gear train
18, gear ring 17 and planet carrier 19.Under the conditions of the prior art, the power that vehicle prime movers 4 generate is transmitted to vehicle by power train 5
Wheel, the torque drive vehicle driving of wheel.Under difficult road conditions, the vehicle drive system of the prior art is disconnected, the nearly vehicle of gap
Wheel face is 5b, remote wheel face is 5a.The positive reverted austenite parallel operation 1 of wheel is arranged between 5a and 5b, the positive reverted austenite parallel operation of wheel
Sun gear 16 and gear ring 17 are connected respectively to 5a and 5b, and planet carrier 19 is fixedly attached to vehicle body.It is former according to the transmission of planetary gear train
Reason, sun gear and gear ring direction of rotation will be on the contrary, reverse be directly driven crawler belt 7 by wheel 6, and crawler belt traveling component 2 will drive vehicle
It travels in the right direction.The direction of rotation of drive path and each section, as shown in arrow line in figure.
Need it is wheeled when driving, will be any in four sun gear, planetary gear, gear ring and planet carrier elements with locking device
Two lockings are integral, and planetary gear train will be generally in lock state, and input steering is identical as output steering, restore wheel and rotate forward
State.
Referring to fig. 2, Fig. 3, crawler travel component include crawler belt 7, carrying roller 8, directive wheel 9, support wheel 10,11 and of track frame
Support wheel distance adjustor 12.Under crawler belt driving status, crawler belt traveling component 2 is carried out into connection component 3 by wheel and is installed under wheel 6
Lower concave ring is formed arc-shaped contact surface around wheel lower part by portion, the segment track between two support wheels, and vehicle weight is vehicle
Wheel is pressed on crawler belt, and wheel tyre surface directly can adhere to power drive crawler belt with frictional force or crawler belt decorative pattern.As it can be seen that practical at this
The driving force and tensile force of novel middle crawler belt are all directly provided by wheel, compared with conventional four-wheel one is with creeper undercarriage not
It needs that driving wheel and tensioning wheel specially is arranged.
Referring to Fig. 3, the wheel carries out connection component, passes through tape spool for connecting band track traveling component and wheel, upper part
The cantilever and wheel coaxial line held is connected to its core wheel outer end, can be freely rotated around wheel axis, but radial and axial by about
Beam, its underpart are fixedly attached to track frame.
Embodiment 1: referring to fig. 4, the positive reverted austenite parallel operation 1 of wheel being arranged between 4 output shaft of prime mover and gearbox 13,
The sun gear of the positive reverted austenite parallel operation of wheel is connected to the output shaft of prime mover, and gear ring is connected to the input shaft of gearbox, and gear ring is solid
Surely it is connected to vehicle chassis.
Referring to Fig. 5, three circles are respectively the pitch circle of sun gear, planetary gear, gear ring in figure；A- sun gear pitch diameter；b-
Planetary gear pitch diameter；C- gear ring pitch diameter.Obviously the torque M on sun gear is acted on1=F1r1；It acts on gear ring
Torque M3=F3r3；Act on the torque M on planet carrier HH=FHrH。
The gear ratio for defining gear ring and sun gear is α, i.e. α=Z/Z=r/r.
By gear geometrical relationship: r3=α r1、rH=(r1+r3)/2=r1(1+α)/2。
When uniform rotation, planetary gear is in dynamic balance state: F1=F3、FH=-2F1。
Therefore, the torque on sun gear, ring gear and planet carrier H is respectively as follows:
According to law of conservation of energy, the algebraical sum that power is output and input on three basic building blocks should be equal to zero.
That is: M1ω1+MHωH+M3ω3=0 ... ... ... ... ... (2)
(1) formula, which substitutes into (2) formula, just can be obtained the characteristic equation of the planetary gear mechanism characteristics of motion:
ω1-(1-α)ωH+ω3=0............... (3)
In the utility model, the planet carrier of the positive reverted austenite parallel operation of wheel, which is fixed on vehicle, cannot be freely rotated (ω H=
0), sun gear and gear ring can rotate around central axis, according to (3) Shi Ke get:
ω1=-α ω3
The rotation direction and sun gear rotation direction that negative sign shows gear ring are on the contrary, i.e. wheel direction of rotation will be with normal rotation
It is contrary.After the external toothing transmission between wheel and crawler belt, crawler belt winding direction will correctly be matched to vehicle driving
On direction.
The advantages of this scheme is that have several driving wheels regardless of vehicle, can full vehicle only needs the positive reverted austenite parallel operation of 1 wheel
To reduce manufacturing cost.But have the shortcomings that difficult arrangement, vehicle structure change amplitude are big.
Embodiment 2: after the positive reverted austenite parallel operation of wheel is arranged in gearbox, before differential mechanism, advantage and disadvantage and embodiment 1
It is similar.
Embodiment 3: the positive reverted austenite parallel operation of wheel is flush-mounted in the wheel hub position of driving wheel of vehicle, referring to Fig. 6, Fig. 7.Pass through
Wheel of the top with planet carrier 19 carries out connection component 3 and connects the positive reverser of wheel with crawler travel component.Wheel carries out connection
Component is the bar plate truss structure of overall layout triangular in shape, and top is machined with annulus, installation planetary gear is provided on annulus
The axis hole of axis, plays the role of planet carrier.Connection component bottom is fixedly connected with track frame.Sun gear in the positive reverser of wheel
16 are fixedly connected with system of vehicle transmission semiaxis 15, and gear ring 17 is fixedly connected with wheel rim, and track frame is connected by metallic bond and vehicle chassis
It connects, crawler travel component verts more than after certain angle, and metallic bond will tighten limitation and further vert, and plays anti-inclining rotary mechanism and obtains
Effect.This embodiment arrangement is simple, can be used for the repacking of existing vehicle, but more wheel forward and reverse is needed to walk around parallel operation.
Embodiment 4: being the vehicle of motor for prime mover machine, need to only increase change driving output polarity and phase
Electronic switch, the mode for allowing motor to invert also serve as the positive reverted austenite parallel operation of wheel.
Claims (6)
1. a kind of caterpillar attachment system with the positive reverted austenite parallel operation of wheel, it is characterised in that: have 1 to n wheel just reversing
Converter (1), n crawler travel component (2), n wheel carry out connection component (3), and n is wheel count；The wheel just reverses
Converter (1) is made of one group of planetary gear train, including sun gear (16), planetary gear (18), gear ring (17) and planet carrier (19)；Row
After carrier is fixedly connected with vehicle body, sun gear and planetary gear have changed transmission direction, and counter-rotating is directly driven shoe by wheel (6)
Band, vehicle are travelled by track drive in the right direction；Need to restore it is wheeled when driving, removal crawler travel component and wheel carry out connect
Connected components are locked more than two elements in four sun gear, planetary gear, gear ring and planet carrier elements with locking device, extensive
The normal rotation direction of multiple wheel.
2. having the caterpillar attachment system of the positive reverted austenite parallel operation of wheel according to claim 1, it is characterised in that: crawler belt (7)
It encircles in wheel (6) lower part, wheel is straight in track outer surface using frictional force or decorative pattern adhesive force without other actuated elements
Connect driving crawler belt.
3. having the caterpillar attachment system of the positive reverted austenite parallel operation of wheel according to claim 1, it is characterised in that: crawler belt (7)
The part being bonded with wheel (6) forms circumferential type structure, the function of driving wheel and tensioning wheel is undertaken by wheel of vehicle to lower recess
Energy.
4. having the caterpillar attachment system of the positive reverted austenite parallel operation of wheel according to claim 1, it is characterised in that: crawler belt traveling
Component is mounted on wheel lower part, the activity radial and axial in wheel of constraint crawler belt by turning round connection component.
5. having the caterpillar attachment system of the positive reverted austenite parallel operation of wheel according to claim 4, it is characterised in that: described returns
Turning connection component includes preventing verting chain (20), and anti-chain (20) both ends of verting are connect with track frame and vehicle body respectively.
6. a kind of manufactured using the caterpillar attachment system for having the positive reverted austenite parallel operation of wheel described in any one of claim 1-4
Wheeled vehicle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844857.1U CN209290542U (en) | 2018-11-09 | 2018-11-09 | A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821844857.1U CN209290542U (en) | 2018-11-09 | 2018-11-09 | A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel |
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| CN209290542U true CN209290542U (en) | 2019-08-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094671A (en) * | 2018-11-09 | 2018-12-28 | 苗壮 | A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel |
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2018
- 2018-11-09 CN CN201821844857.1U patent/CN209290542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094671A (en) * | 2018-11-09 | 2018-12-28 | 苗壮 | A kind of caterpillar attachment system and wheeled vehicle with the positive reverted austenite parallel operation of wheel |
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