CN113247123A - All-terrain combined type tire and crawler switchable dual-purpose wheel-track - Google Patents
All-terrain combined type tire and crawler switchable dual-purpose wheel-track Download PDFInfo
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- CN113247123A CN113247123A CN202110753384.4A CN202110753384A CN113247123A CN 113247123 A CN113247123 A CN 113247123A CN 202110753384 A CN202110753384 A CN 202110753384A CN 113247123 A CN113247123 A CN 113247123A
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- wheel
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- driving device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/04—Endless track vehicles with tracks and alternative ground wheels, e.g. changeable from endless track vehicle into wheeled vehicle and vice versa
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/084—Endless-track units or carriages mounted separably, adjustably or extensibly on vehicles, e.g. portable track units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/104—Suspension devices for wheels, rollers, bogies or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/024—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members specially adapted for moving on inclined or vertical surfaces
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The invention discloses an all-terrain combined type tire and crawler switchable dual-purpose wheel-track, which comprises wheels, a crawler driving device, a suspension bracket and a driving shaft, wherein the wheels are arranged on the crawler; the wheels are driven by the driving shaft to rotate, the track is driven by a track driving disc arranged on the driving shaft to transmit power to roll through the clutch device, the track driving device comprises a track upper translation driving device for lifting the supporting belt wheel upwards, a track lower translation driving device for driving the supporting wheels downwards to respectively generate an upward lifting force and a downward driving force, the two forces are superposed and linked to drive the track chain ring to translate up and down relative to the axle center position of the wheels, so that the track can be separated from the ground or contacted with the ground, the wheel and the track can conveniently switch between a wheel single walking mode, a track single walking mode and a wheel and track mixed walking mode, and the respective advantages of the two types of walking mechanisms can be fully integrated and exerted.
Description
The technical field is as follows:
the invention belongs to the technical field of travelling mechanisms, and particularly relates to an all-terrain combined type tire and dual-purpose wheel-track with switchable track.
Background art:
the wheel type running mechanism has the advantages of good maneuvering performance, stable movement, low energy consumption, easy control of movement speed and direction and the like, so that the wheel type running mechanism is generally applied, but the advantages can be exerted only on a laid flat road surface. The crawler type running mechanism is designed for running and operating engineering, armored and other vehicles in the non-laid places, and consists of crawler belt, driving wheel, thrust wheel, guide wheel, riding wheel, crawler belt tensioning device, etc. when the driving wheel rotates to pull the crawler belt, the crawler belt under the thrust wheel has sufficient adhesion to ground to prevent the crawler belt from being drawn out and force the driving wheel to roll the crawler belt, so that the crawler belt is laid onto ground via the guide wheel to make the crawler belt run forwards along the crawler belt track The mechanical operation site is difficult to transfer. Because the two types of running mechanisms have different advantages and disadvantages, the traditional vehicle can be provided with the wheel type or crawler type single running mechanism according to the use requirements of the traditional vehicle, so that the traditional vehicle can only be limited to running in the self-adaptive environment, at present, the all-terrain running mechanism which really integrates and exerts the advantages of the two types of running mechanisms is not common, and therefore, if the all-terrain running mechanism which can exert the advantages of good maneuvering performance, stable movement and low energy consumption of the wheel type running mechanism when running on a paved road and can exert the advantages of good traction performance and good passing performance of the crawler type running mechanism when running on a non-paved field is developed, the all-terrain running mechanism has huge social benefit and economic benefit.
At present, the wheel-type and crawler-type full-terrain wheel-track traveling mechanisms with mature advantages mainly have several modes of wheel-track combination, wheel-track replaceable and variable structure wheels, wherein the wheel-track combination has two sets of wheel-type and crawler-type traveling systems, the structure is bulky and large, the wheel-track replaceable needs to carry the crawler wheels along with the vehicle, the replacement and installation are troublesome, the variable structure wheels change from round to triangle through variable structure wheels, the wheel-type and crawler-type driving modes are changed, the mode is complex in structure, most of the variable structure wheels wrap rubber tracks to be in contact with the ground, the performances of the variable structure wheels, such as maneuverability, trafficability and energy consumption, are not as good as those of single wheel-type or crawler-type traveling mechanisms, and the respective advantages of the two types of traveling mechanisms cannot be fully integrated and exerted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an all-terrain combined type tire and dual-purpose wheel track with switchable track.
The purpose of the invention is realized by the following technical scheme:
a dual-purpose wheel track with switchable all-terrain combined tires and tracks comprises wheels, tracks, a track driving device, a suspension bracket and a driving shaft;
the wheel comprises a tire, a rim, a hub and spokes, and the track is a flexible chain ring driven by a chain wheel;
the crawler driving device comprises a crawler frame, a crawler driving disc, a power transmission device, a crawler upper translation driving device and a crawler lower translation driving device, wherein the crawler frame is provided with a driving wheel supporting shaft, a driving wheel supporting seat, a driven wheel supporting seat, a crawler upper translation driving device fixing support seat and a crawler lower translation driving device fixing support seat; the driving wheel is in shaft joint with a driving wheel supporting shaft of the crawler frame, the driving wheel is in shaft joint with a crawler frame driving wheel supporting seat, the driven wheel is in shaft joint with a crawler frame driven wheel supporting seat, the driving chain wheel is fixedly connected with the driven wheel, the crawler upper translation driving device is fixedly connected with a crawler frame crawler upper translation driving device fixing support, and the crawler lower translation driving device is fixedly connected with a crawler frame crawler lower translation driving device fixing support;
the suspension bracket comprises an elastic element, a damping element, a control arm and a track frame;
the driving shaft comprises a half shaft and a ball cage, wherein a track driving disc is arranged on the half shaft, the half shaft drives wheels to rotate, and the track driving disc drives a track to roll.
The upper translation driving device of the track is a hydraulic oil cylinder, a scissor jack, a pneumatic cylinder or a spring, and the belt supporting wheel and the tensioning wheel are upwards supported through a supporting rod, and the top of the supporting rod is provided with a supporting seat of the belt supporting wheel and the tensioning wheel and is in shaft connection with the belt supporting wheel and the tensioning wheel supporting shaft.
The track lower translation driving device is a hydraulic oil cylinder, a scissor jack or a pneumatic cylinder which drives the thrust wheel downwards through a driving rod, and the bottom of the driving rod is provided with a supporting seat of the thrust wheel and is in shaft connection with a supporting shaft of the thrust wheel.
The wheel track is a combination of one wheel and one track, a combination of two wheels and one track or a combination of a plurality of wheels and a plurality of tracks.
The wheel track is an automobile running mechanism, an engineering vehicle running mechanism, an armored vehicle running mechanism, an electric vehicle running mechanism, a motorcycle running mechanism or a wheelchair running mechanism.
The wheels are connected with the driving shaft through the wheel-side speed reducer and rotate along with the driving shaft.
A dual-purpose wheel track with switchable all-terrain combined tires and tracks comprises wheels, tracks, a track driving device and a driving shaft;
the wheel comprises a tire, a rim, a hub and spokes, and the track is a flexible chain ring driven by a chain wheel;
the crawler driving device comprises a crawler frame, a crawler driving disc, a power transmission device, a crawler upper translation driving device and a crawler lower translation driving device, wherein the crawler frame is provided with a driving wheel supporting shaft, a driving wheel supporting seat, a driven wheel supporting seat, a crawler upper translation driving device fixing support and a crawler lower translation driving device fixing support; the driving wheel is in shaft joint with a driving wheel supporting shaft of the crawler frame, the driving wheel is in shaft joint with a driving wheel supporting seat of the crawler frame, the driven wheel is in shaft joint with a driven wheel supporting seat of the crawler frame, the driving chain wheel is fixedly connected with the driven wheel, the upper crawler translation driving device is fixedly connected with a fixed supporting seat of the upper crawler translation driving device, and the lower crawler translation driving device is fixedly connected with a fixed supporting seat of the lower crawler translation driving device;
and a crawler driving disc is arranged on the driving shaft, the driving shaft drives the wheels to rotate, and the crawler driving disc drives the crawler to roll.
The invention has the beneficial effects that:
1. the invention provides a dual-purpose wheel-track with a combined type all terrain tire and a switchable crawler, which consists of wheels, a crawler driving device, a suspension bracket and a driving shaft, wherein the wheels are driven by the driving shaft to rotate, the crawler is driven by a crawler driving disc arranged on the driving shaft to transmit power to roll through a clutch device, the crawler driving device comprises a crawler upper translation driving device and a crawler lower translation driving device, the crawler upper translation driving device upwards lifts a crawler chain ring through a supporting wheel and a tensioning wheel, the crawler lower translation driving device downwards drives the crawler chain ring through a supporting wheel, the upward lifting force and the downward driving force generated by the crawler upper translation driving device and the crawler lower translation driving device are superposed and linked to drive the crawler chain ring to vertically translate relative to the axle center position of the wheels, when the crawler upwards translates to be separated from the ground, the wheel-track is switched to a single traveling mode that the wheels are in contact with the ground, at the moment, no rolling of the track is generated, when the track translates downwards to the same plane with the circumferential tangent line of the wheel, the wheel track is switched to a mixed walking mode that the wheel and the track are simultaneously contacted with the ground, and when the track translates downwards to exceed the circumferential tangent plane of the wheel, the wheel track is switched to a single walking mode that the track is contacted with the ground, so that the dual-purpose wheel track with the switchable all-terrain combined type tire and the track can fully integrate and exert the respective advantages of the two types of walking mechanisms, the advantages of the wheel type walking mechanism can be exerted on a paved road surface, and the advantages of the track type walking mechanism can be exerted on a non-paved field to complete the work task of the all-terrain vehicle.
2. The invention provides a dual-purpose wheel track with switchable all-terrain combined tires and tracks, wherein wheels and tracks are driven by torque provided by a driving shaft, so that the wheels and the tracks can share driving power, and a suspension device between the wheels, the tracks and a frame comprises a track frame, so that the wheels and the tracks can share a steering device, therefore, the dual-purpose wheel track provided by the invention has a simple structure and is easy to control the moving speed and direction.
3. The invention provides a dual-purpose wheel-track with an all-terrain combined type tire and a switchable track, wherein a wheel is provided with a wheel-side speed reducer, and the rotating circumferential linear speed of the wheel can be kept consistent with the rolling linear speed of a track chain ring through the wheel-side speed reducer, so that the vehicle can be conveniently and smoothly switched between the mode of single-wheel walking, the mode of mixed walking of the wheel and the track and the mode of single-track walking.
4. The invention provides an all-terrain combined type tire and crawler switchable dual-purpose wheel-track which can be an automobile walking mechanism, an engineering vehicle walking mechanism, an armored vehicle walking mechanism, an electric vehicle walking mechanism, a motorcycle walking mechanism and a wheelchair walking mechanism, and can enable various traditional land transportation tools to be conveniently adapted to all-terrain working environments.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the embodiment 1 of the present invention;
FIGS. 3a-3b are schematic views showing the structure and the exploded structure of a crawler drive unit according to embodiment 1 of the present invention;
FIGS. 4a-4b are schematic elevational views of wheel-walking and crawler-walking modes of embodiment 1 of the present invention;
FIGS. 5a-5c are schematic diagrams and side and bottom views of an all terrain ride of embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of embodiment 2 of the present invention;
FIG. 7 is an exploded view of example 2 of the present invention;
FIGS. 8a-8b are schematic elevational views of a wheel-walking and crawler-walking mode of embodiment 2 of the present invention; FIG. 9 is a schematic view of the all terrain vehicle of embodiment 2 of the present invention;
in the drawings
1 wheel of vehicle
2 track
3 crawler belt driving device
4 suspension bracket
5 drive shaft
6 vehicle frame (local)
7 tyre
8 wheel rim
9 wheel hub
10 spoke
11 wheel reduction gear
12 track frame
13 crawler driving disc
14 power transmission device
15 translation drive device on track
16-crawler lower translation driving device
17 driving wheel supporting axle
18 driving wheel supporting seat
19 driven wheel support base
Fixed support for translational driving device on 20 caterpillar tracks
21 track lower translation drive device fixing support
22 clutch driven disc
23 Clutch pressure plate
24 Clutch cover
25 hold-down spring
26 driving wheel
27 driving wheel
28 driven wheel
29 drive sprocket
30 guide wheel
31 suspension spring element
32 suspension mount damping element
33 suspension control arm
34 half shaft
35 ball cage
36 hydraulic cylinder
37 brake disc
38 support bar
39 support rod top support base
40-support belt wheel and tension wheel
41 drive rod
42 driving rod bottom supporting seat
43 thrust wheel
44 wheel rim
45 spoke
Supporting device of 46 arc base self-inclined balance wheelchair
Detailed Description
For a further understanding of the contents, features and advantages of the present invention, the following examples are given by way of illustration and are described in detail in conjunction with the accompanying drawings:
example 1:
fig. 1 is a schematic structural diagram of the present embodiment, wherein the present embodiment is composed of wheels 1, a track 2, a track driving device 3, a suspension bracket 4 and a driving shaft 5, wherein: the wheel 1 comprises a tire 7, a rim 8, a hub 9 and a spoke 10, the wheel 1 is connected with a driving shaft 5 through a hub reducer 11 and rotates along with the driving shaft 5, the crawler 2 is a closed flexible chain ring and is driven by a crawler driving device 3, a frame (local part) 6 is connected with the wheel 1 and the crawler 2 through a suspension bracket 4 to bear the passenger and the object of the carriage to run, and the switchable dual-purpose wheel-track is formed by combining one wheel 1 and one crawler 2.
As shown in fig. 2, which is an exploded schematic view of the structure of this embodiment, the track driving device 3 in the figure is composed of a track frame 12, a track driving disc 13, a power transmission device 14, a track upper translation driving device 15, and a track lower translation driving device 16, the suspension frame 4 includes a suspension frame elastic element 31, a suspension frame damping element 32, a suspension frame control arm 33, and the track frame 12, the driving shaft 5 includes a half shaft 34 and a ball cage 35, the half shaft 34 is provided with the track driving disc 13, the half shaft 34 drives the wheel 1 to rotate, the track driving disc 13 drives the track 2 to roll, both the wheel 1 and the track 2 are braked by the brake disc 37, the power transmission device 14 is composed of a clutch driven disc 22, a clutch pressure disc 23, a clutch cover 24, a driving wheel 26, a driving wheel 27, a driven wheel 28, and a driving sprocket 29, the clutch cover 24 includes a pressing spring 25, and when the pressing spring 25 generates elasticity, the track driving disc 13, the track driving disc 23, and the track driving disc 24, The clutch driven disc 22 and the clutch pressure disc 23 are pressed and attached, at the moment, friction force is generated on the attaching surface of the crawler driving disc 13 and the clutch driven disc 22, power can be transmitted to the driving wheel 26, the driving wheel 26 is meshed with the driving wheel 27, the driving wheel 27 is meshed with the driven wheel 28, the driven wheel 28 is fixedly connected with the driving chain wheel 29, and therefore the power is transmitted to the driving chain wheel 29 to drive the crawler 2 to roll, when the compression spring 25 does not generate elastic force, the crawler driving disc 13, the clutch driven disc 22 and the clutch pressure disc 23 are separated from each other, no power is transmitted to the crawler driving disc 13, and the crawler 2 does not roll at the moment.
As shown in fig. 3a-3b, which are schematic structural and exploded views of the track driving device of this embodiment, the track frame 12 is provided with a driving wheel supporting shaft 17, a driving wheel supporting base 18, a driven wheel supporting base 19, a track upper translational driving device fixing base 20, a track lower translational driving device fixing base 21, a driving wheel 26 coupled with the driving wheel supporting shaft 17, a driving wheel 27 coupled with the driving shaft supporting base 18, a driven wheel 28 coupled with the driven wheel supporting base 19, a track upper translational driving device 15 fixedly connected with the track upper translational driving device fixing base 20, a track lower translational driving device 16 fixedly connected with the track lower translational driving device fixing base 21, the track upper translational driving device 15 lifting the belt wheel and the tension wheel 40 upwards by a hydraulic cylinder 36 through a supporting rod 38, the supporting rod 38 is provided with a supporting rod top supporting base 39 coupled with the belt wheel and the tension wheel 40, the track lower translation driving device 16 drives the supporting wheel 43 downwards through a driving rod 41 by a hydraulic oil cylinder 36, and the driving rod 41 is provided with a driving rod bottom supporting seat 42 which is connected with the supporting wheel 43 in a shaft mode.
As shown in fig. 4a-4b, which are front view schematic diagrams of the wheel walking and track walking modes of the present embodiment, the track upper translation driving device 15 is shown in the figure, the support rod 38 is driven by the hydraulic cylinder 36 to drive the support pulley and the tension pulley 40 to lift the track 2 upwards, the track lower translation driving device 16 is driven by the hydraulic cylinder 36 to drive the drive rod 41 to drive the support pulley 43 to drive the track 2 downwards, two forces of the upward lifting force and the downward driving force generated by the track upper and lower driving devices are overlapped and linked to drive the track chain ring to translate upwards and downwards relative to the axial position of the wheel 1, when the track 2 is translated upwards to be separated from the ground as shown in fig. 4a, only the wheel 1 contacts with the ground, the wheel is switched to the wheel-type single walking mode, when the track 2 is translated downwards as shown in fig. 4b beyond the tangential plane of the circumference of the wheel 1, only the track 2 contacts with the ground, the wheel is switched to the track-type single walking mode, if the circumferential tangent lines of the track 2 and the wheel 1 are positioned on the same plane, the wheel-track is switched to a hybrid walking mode that the wheel 1 and the track 2 are simultaneously contacted with the ground.
As shown in fig. 5a-5c, the all-terrain driving schematic diagram, the side view and the bottom view of the embodiment are provided, in the figure, when the wheel-track runs on a paved flat road, the track 2 is translated upwards to be separated from the ground, the wheel-track is switched to a single running mode that the wheel 1 is contacted with the ground, no rolling of the track 2 is generated, when the wheel-track runs on a non-paved road such as a mountain valley or an inclined ladder, the track 2 is translated downwards to exceed the tangential plane of the circumference of the wheel 1, the wheel-track is switched to a single running mode that the track 2 is contacted with the ground, when the wheel-track runs on a muddy road or a snow, the track 2 is translated downwards to be the same plane as the tangential plane of the circumference of the wheel 1, the wheel-track is switched to a mixed running mode that the wheel 1 and the track 2 are simultaneously contacted with the ground, and thereby providing the all-terrain combined type tire and track capable of being switched, the advantages of the two types of running mechanisms can be fully integrated and exerted, the advantages of the wheel type running mechanism can be exerted on a paved road surface, and the advantages of the crawler type running mechanism can be exerted on a non-paved field to complete the work task of the all-terrain vehicle.
Example 2:
fig. 6 is a schematic structural diagram of the present embodiment, wherein the structure of the present embodiment is composed of wheels 1, tracks 2, track driving devices 3, and driving shafts 5, wherein: the wheel 1 comprises a tire 7, a rim 44, a hub 9 and spokes 45, the wheel 1 is connected with a driving shaft 5 and rotates along with the driving shaft 5, the crawler 2 is a closed flexible chain ring and is driven by a crawler driving device 3, and the switchable dual-purpose wheel track is formed by combining two wheels 1 and one crawler 2.
As shown in fig. 7, which is an exploded schematic view of the structure of this embodiment, the track driving device 3 in the figure is composed of a track frame 12, a track driving disk 13, a power transmission device 14, a track upper translational driving device 15, and a track lower translational driving device 16, the driving shaft 5 is provided with the track driving disk 13, the driving shaft 5 drives the wheel 1 to rotate, the track driving disk 13 drives the track 2 to roll, both the wheel 1 and the track 2 are braked by a brake disk 37, the track frame 12 is provided with a driving wheel supporting shaft 17, a driving wheel supporting base 18, a driven wheel supporting base 19, a track upper translational driving device fixing base 20, a track lower translational driving device fixing base 21, a driving wheel 26 is coupled with the driving wheel supporting shaft 17, a driving wheel 27 is coupled with the driving shaft supporting base 18, a driven wheel 28 is coupled with the driven wheel supporting base 19, and a track upper translational driving device 15 is fixedly connected with the track upper translational driving device fixing base 20, the crawler lower translation driving device 16 is fixedly connected with a crawler lower translation driving device fixing support 21, the crawler upper translation driving device 15 is composed of a hydraulic oil cylinder 36 for lifting a supporting belt wheel and a tensioning wheel 40 upwards through a supporting rod 38, the supporting rod 38 is provided with a supporting rod top supporting seat 39 which is in shaft connection with the supporting belt wheel and the tensioning wheel 40, the crawler lower translation driving device 16 is composed of a hydraulic oil cylinder 36 for driving a supporting wheel 43 downwards through a driving rod 41, the driving rod 41 is provided with a driving rod bottom supporting seat 42 which is in shaft connection with the supporting wheel 43, the power transmission device 14 is composed of a clutch driven plate 22, a clutch pressure plate 23, a clutch cover 24, a driving wheel 26, a driving wheel 27, a driven wheel 28 and a driving chain wheel 29, the clutch cover 24 comprises a compression spring 25, when the compression spring 25 generates elastic force, the crawler driving disk 13, the clutch driven plate 22 and the clutch pressure plate 23 are compressed and attached, at the moment, the crawler driving disk 13 and the attachment surface of the clutch driven plate 22 generate friction force, the power can be transmitted to the driving wheel 26, the driving wheel 26 is meshed with the driving wheel 27, the driving wheel 27 is meshed with the driven wheel 28, the driven wheel 28 is fixedly connected with the driving chain wheel 29, so that the power is transmitted to the driving chain wheel 29 to drive the crawler 2 to roll, when the compression spring 25 does not generate elasticity, the crawler driving disc 13, the clutch driven disc 22 and the clutch pressure disc 23 are separated from each other, the power of the crawler driving disc 13 is not transmitted, and the crawler 2 does not roll.
As shown in fig. 8a-8b, which are front view schematic diagrams of the wheel walking and track walking modes of the present embodiment, the track upper translation driving device 15 is shown in the figure, the support rod 38 is driven by the hydraulic cylinder 36 to drive the support pulley and the tension pulley 40 to lift the track 2 upwards, the track lower translation driving device 16 is driven by the hydraulic cylinder 36 to drive the drive rod 41 to drive the support pulley 43 to drive the track 2 downwards, two forces of the upward lifting force and the downward driving force generated by the track upper and lower driving devices are overlapped and linked to drive the track chain ring to translate upwards and downwards relative to the axial position of the wheel 1, when the track 2 is translated upwards to be separated from the ground as shown in fig. 8a, only the wheel 1 contacts with the ground, the wheel is switched to the wheel-type single walking mode, when the track 2 is translated downwards beyond the tangential plane of the wheel 1 as shown in fig. 4b, only the track 2 contacts with the ground, the wheel is switched to the track-type single walking mode, if the circumferential tangent lines of the track 2 and the wheel 1 are positioned on the same plane, the wheel-track is switched to a hybrid walking mode that the wheel 1 and the track 2 are simultaneously contacted with the ground.
Fig. 9 is a schematic view of the all terrain traveling of the present embodiment, in which when a wheelchair comprising the wheel-track of the present embodiment as a traveling mechanism travels on a flat road surface laid thereon, the crawler 2 is translated upward to be separated from the ground, the wheel-track is switched to a single traveling mode in which the wheel 1 is in contact with the ground, and at this time, no rolling of the crawler 2 is generated, and when the wheelchair comprising the wheel-track of the present embodiment as a traveling mechanism travels up and down stairs, the crawler 2 is translated downward beyond a tangential plane of the circumference of the wheel 1, and the wheel-track is switched to a single traveling mode in which the crawler 2 is in contact with the ground, the wheelchair comprising the wheel-track of the present embodiment as a traveling mechanism is supported by the arc-base self-tilting balance wheelchair supporting device 46, and the driving plane of the wheelchair can be automatically horizontal when the wheelchair carrying a person travels up and down stairs, and the wheelchair comprising the wheel-track of the present embodiment as a, Go up and down stairs, beach snowfield, climbing cross-country all-terrain traffic is suitable for vehicles used by disabled persons and old people.
In summary, the invention provides a dual-purpose wheel-track with switchable all-terrain combined type tire and track, which comprises wheels, a track driving device, a suspension bracket and a driving shaft, wherein the wheels are driven by the driving shaft to rotate, the track is driven by a track driving disc arranged on the driving shaft to transmit power to roll through a clutch device, the track driving device comprises an upper track translation driving device and a lower track translation driving device, the upper track translation driving device lifts a track chain ring upwards through a supporting pulley and a tensioning wheel, the lower track translation driving device drives the track chain ring downwards through a supporting wheel, the upward lifting force and the downward driving force generated by the upper track and the lower driving devices are superposed and linked to drive the track chain ring to translate upwards and downwards relative to the axle center position of the wheels, when the track translates upwards to be separated from the ground, the wheel-track is switched to a single traveling mode that the wheels are in contact with the ground, when the crawler belt translates downwards to the same plane with the circumferential tangent line of the wheels, the wheel track is switched to a mixed walking mode that the wheels and the crawler belt are simultaneously contacted with the ground, and when the crawler belt translates downwards to exceed the plane of the circumferential tangent line of the wheels, the wheel track is switched to a single walking mode that the crawler belt is contacted with the ground.
While the invention has been described with reference to specific preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A dual-purpose wheel track with switchable all-terrain combined tires and tracks is characterized by comprising wheels, tracks, a track driving device, a suspension bracket and a driving shaft;
the wheel comprises a tire, a rim, a hub and spokes, and the track is a flexible chain ring driven by a chain wheel;
the crawler driving device comprises a crawler frame, a crawler driving disc, a power transmission device, a crawler upper translation driving device and a crawler lower translation driving device; the crawler frame is provided with a driving wheel supporting shaft, a driving wheel supporting seat, a driven wheel supporting seat, a crawler upper translation driving device fixing support and a crawler lower translation driving device fixing support; the power transmission device consists of a clutch driven plate, a clutch pressure plate, a clutch cover, a driving wheel, a driven wheel and a driving chain wheel, wherein the clutch cover is provided with a compression spring; the driving wheel is in shaft joint with a driving wheel supporting shaft of the track frame, the driving wheel is in shaft joint with a driving wheel supporting seat of the track frame, the driven wheel is in shaft joint with a driven wheel supporting seat of the track frame, and the driving chain wheel is fixedly connected with the driven wheel; the upper crawler translation driving device is fixedly connected with the upper crawler translation driving device fixing support of the crawler frame; the crawler lower translation driving device is fixedly connected with a crawler frame crawler lower translation driving device fixed support;
the suspension bracket comprises an elastic element, a damping element, a control arm and a track frame;
the driving shaft comprises a half shaft and a ball cage, wherein a track driving disc is arranged on the half shaft, the half shaft drives wheels to rotate, and the track driving disc drives a track to roll.
2. The dual-purpose wheel-track capable of switching between the all-terrain combined tire and the track as claimed in claim 1, wherein the track upper translational driving device is a hydraulic cylinder, a scissor jack, a pneumatic cylinder or a spring, and the supporting belt wheel and the tensioning wheel are lifted upwards through a supporting rod; and the top of the supporting rod is provided with a supporting seat of the belt supporting wheel and the tensioning wheel, and the supporting seat is in shaft connection with the belt supporting wheel and the tensioning wheel supporting shaft.
3. The all-terrain combined type tire and track switchable dual-purpose wheel-track as claimed in claim 1, wherein the track lower translational driving device is a hydraulic cylinder, a scissor jack or a pneumatic cylinder which drives the thrust wheels downwards through the driving rod; and the bottom of the driving rod is provided with a supporting seat of a thrust wheel, and the supporting seat is in shaft connection with a supporting shaft of the thrust wheel.
4. An all terrain combined tire and track switchable dual-purpose wheel-track as claimed in claim 1, wherein the wheel-track is a combination of one wheel and one track, a combination of two wheels and one track, or a combination of a plurality of wheels and a plurality of tracks.
5. The all-terrain combined type dual-purpose wheel-track with the switchable tire and track as claimed in claim 1, wherein the wheel-track is an automobile running mechanism, an engineering vehicle running mechanism, an armored vehicle running mechanism, an electric vehicle running mechanism, a motorcycle running mechanism or a wheelchair running mechanism.
6. An all terrain combined tire and track switchable dual-purpose wheel-track as claimed in claim 1, wherein the wheel is connected to the drive shaft via a wheel reduction gear for rotation therewith.
7. A dual-purpose wheel track with combined type tires and switchable tracks in all terrain is characterized by comprising wheels, tracks, a track driving device and a driving shaft;
the wheel comprises a tire, a rim, a hub and spokes, and the track is a flexible chain ring driven by a chain wheel;
the crawler driving device comprises a crawler frame, a crawler driving disc, a power transmission device, a crawler upper translation driving device and a crawler lower translation driving device, wherein the crawler frame is provided with a driving wheel supporting shaft, a driving wheel supporting seat, a driven wheel supporting seat, a crawler upper translation driving device fixing support and a crawler lower translation driving device fixing support; the driving wheel is in shaft joint with a driving wheel supporting shaft of the crawler frame, the driving wheel is in shaft joint with a driving wheel supporting seat of the crawler frame, the driven wheel is in shaft joint with a driven wheel supporting seat of the crawler frame, the driving chain wheel is fixedly connected with the driven wheel, the upper crawler translation driving device is fixedly connected with a fixed supporting seat of the upper crawler translation driving device, and the lower crawler translation driving device is fixedly connected with a fixed supporting seat of the lower crawler translation driving device;
and a crawler driving disc is arranged on the driving shaft, the driving shaft drives the wheels to rotate, and the crawler driving disc drives the crawler to roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753384.4A CN113247123A (en) | 2021-07-02 | 2021-07-02 | All-terrain combined type tire and crawler switchable dual-purpose wheel-track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753384.4A CN113247123A (en) | 2021-07-02 | 2021-07-02 | All-terrain combined type tire and crawler switchable dual-purpose wheel-track |
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| Publication Number | Publication Date |
|---|---|
| CN113247123A true CN113247123A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110753384.4A Pending CN113247123A (en) | 2021-07-02 | 2021-07-02 | All-terrain combined type tire and crawler switchable dual-purpose wheel-track |
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| CN (1) | CN113247123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548119A (en) * | 2021-09-02 | 2021-10-26 | 厦门理工学院 | Variable multipurpose miniature mobile platform |
| CN115367008A (en) * | 2022-10-26 | 2022-11-22 | 石家庄学院 | Crawler-type patrol car for residential area |
-
2021
- 2021-07-02 CN CN202110753384.4A patent/CN113247123A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113548119A (en) * | 2021-09-02 | 2021-10-26 | 厦门理工学院 | Variable multipurpose miniature mobile platform |
| CN115367008A (en) * | 2022-10-26 | 2022-11-22 | 石家庄学院 | Crawler-type patrol car for residential area |
| CN115367008B (en) * | 2022-10-26 | 2023-01-17 | 石家庄学院 | Crawler-type patrol car for residential area |
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