CN209920930U - Wheel-track combined wheel - Google Patents
Wheel-track combined wheel Download PDFInfo
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- CN209920930U CN209920930U CN201920426387.5U CN201920426387U CN209920930U CN 209920930 U CN209920930 U CN 209920930U CN 201920426387 U CN201920426387 U CN 201920426387U CN 209920930 U CN209920930 U CN 209920930U
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- wheel
- track
- hub
- crawler belt
- connecting piece
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- 238000005267 amalgamation Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model provides a wheel-track combined type wheel, including wheel hub, wheel hub has in the middle of with the fixed complex mounting hole of pivot, and the wheel hub outside is provided with round and wheel hub fixed connection and coaxial pivoted track, and wheel hub passes through connecting piece fixed coordination with the track, the track includes that a plurality of amalgamations are annular grip-pad, and the contact area of grip-pad shrink improvement track and ground can be followed to the connecting piece that corresponds with the grip-pad of ground contact. The utility model provides a wheel-track combined type wheel's advantage lies in: rubber is not needed to wrap the outer ring of the wheel, so that the risk of degumming after the wheel rolls for a long time is prevented, and the service life of the wheel is prolonged; through the combination of the crawler and the wheels, the application range is widened, the structure is simplified relative to a crawler, structures such as bearing wheels are omitted, the weight of the chassis is reduced, and the power consumption is reduced.
Description
Technical Field
The utility model relates to a wheel structure technical field especially relates to a wheel-track combined type wheel.
Background
Because the use environment of the off-road vehicle is severe, the wheels are generally non-inflatable elastic wheels or crawler wheels; the non-inflatable elastic wheel has the advantages of explosion prevention, puncture prevention and damage prevention, and is beneficial to the maneuverability and safety performance of vehicle running. However, the off-road performance is still limited because of the danger of rubber abrasion and degumming in complex environments. The crawler wheels drive the crawler to roll in a chain by means of the rolling of the wheels, the weight of the vehicle body is dispersed, the unit pressure on the ground is small, the subsidence is small, the adhesion capability is strong, and the driving passing capability is strong, so that the vehicle can freely run in outdoor jungles, grasslands, deserts or other severe environments in rainy and snowy days. However, the tracked vehicle is not as flexible as a wheeled vehicle and the chassis has a complex structure and heavy weight, and requires driving wheels, guide wheels, riding wheels and a plurality of bearing wheels, resulting in high energy consumption and complex operation when passing through a part of roads.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a combined type wheel that combines track and traditional wheel in order to improve cross-country ability and simplify the wheel structure is provided.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the utility model provides a wheel-track combined type wheel, includes wheel hub, have in the middle of the wheel hub with the fixed complex mounting hole of pivot, the wheel hub outside is provided with round and wheel hub fixed connection and coaxial pivoted track, wheel hub and track pass through connecting piece fixed coordination, the track includes a plurality of annular track shoes of amalgamation, and the area of contact of track shoe shrink improvement track and ground can be followed to the connecting piece that corresponds with the track shoe of ground contact.
Preferably, the side of the track shoe facing away from the hub is provided with a lug protruding outwards, and adjacent track shoes are connected in an articulated manner.
Preferably, the track shoe is provided with at least one connecting rod pointing to the center of the hub, the edge of the hub is uniformly provided with a matching hole corresponding to each connecting rod, and two ends of the connecting piece are respectively connected with the matching hole of the hub and the connecting rod.
Preferably, the connecting piece is a hinge structure at least comprising two sections, and two ends of the connecting piece are respectively in hinged fit with the matching hole of the hub and the connecting rod.
Preferably, the connecting member is a ring spring passing through the fitting hole and the connecting rod.
Preferably, the side of the track shoe facing the hub is provided with a rib protruding outwards along the length direction of the track shoe, the rib is provided with at least one reinforcing hole along the tangential direction of the track shoe, and the track further comprises at least one elastic ring bundle penetrating through the reinforcing hole and connecting all the track shoes.
Preferably, the track shoe is provided with a rib at a middle position when viewed along the axial direction of the hub, and the connecting rod is fixed on the rib and points to the center of the hub.
The utility model provides a wheel-track combined type wheel's advantage lies in: rubber is not needed to wrap the outer ring of the wheel, so that the risk of degumming after the wheel rolls for a long time is prevented, and the service life of the wheel is prolonged; through the combination of the crawler and the wheels, the application range is widened, the structure is simplified relative to a crawler, structures such as bearing wheels are omitted, the weight of the chassis is reduced, and the power consumption is reduced.
Drawings
Fig. 1 is a schematic view of a wheel-track composite wheel provided in an embodiment of the present invention;
fig. 2 is a schematic view of a track shoe of the wheel-track composite wheel according to an embodiment of the present invention;
fig. 3 is an axial front view of a track shoe of the wheel-track composite wheel according to an embodiment of the present invention;
fig. 4 is a schematic view of a wheel-track composite wheel according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the embodiment provides a wheel-track composite wheel, which includes a hub 1, a mounting hole 11 fixedly matched with a rotating shaft (not shown) is formed in the middle of the hub 1, and a circle of tracks 2 fixedly connected with the hub 1 and coaxially rotating is arranged outside the hub 1; wheel hub 1 and track 2 pass through connecting piece 3 fixed coordination, track 2 includes the annular grip-pad 4 of a plurality of amalgamations, the area of contact in order to improve track and ground can be followed the inside shrink of grip-pad 4 with the connecting piece 3 that the grip-pad 4 of ground contact corresponds, thereby area of contact when making track 2 and ground contact is bigger than traditional wheel, thereby the wheel that makes this embodiment provide can adapt to more scenes, need not set up auxiliary structure such as drive wheel, leading wheel, riding wheel, bearing wheel again simultaneously, the cost is reduced, the utilization efficiency of power can be improved.
With reference to fig. 2 and 3, the side of the track shoe 4 facing away from the hub 1 is provided with a convex block 41 protruding outwards, and the adjacent track shoe 4 is fixed in an articulated manner, so that the convex block 41 is in contact with the ground, and the acting force of the ground is prevented from being directly applied to the articulated position of the adjacent track shoe 4, thereby prolonging the service life of the wheel.
The side of the track shoe 4 facing the hub 1 is provided with at least one rib 42 protruding outwards along the length direction of the track shoe 4, the rib 42 is provided with at least one reinforcing hole 43 perpendicular to the length direction of the rib, and the track 2 further comprises at least one elastic ring bundle 5 penetrating through the reinforcing hole 43 and connecting all the track shoes 4.
At least one connecting rod 44 pointing to the center of the hub 1 is arranged on one side of the track shoe 4 facing the hub 1, matching holes 12 corresponding to each connecting rod 44 are uniformly arranged on the edge of the hub 1, and two ends of the connecting piece 3 are respectively fixedly connected with the matching holes 12 and the connecting rods 44.
When the crawler belt shoe 4 in contact with the ground is used, the crawler belt shoe 4 in contact with the ground can contract inwards to increase the contact area of the wheel and the ground, and as the crawler belt shoes 4 are hinged with each other to form an approximately polygonal structure, when the crawler belt shoes 4 in contact with the ground contract inwards, the rest parts of the crawler belt shoes 4 can expand outwards to keep the circumference of the whole wheel basically unchanged, so that the connecting piece 3 corresponding to the crawler belt shoes 4 in contact with the ground can contract inwards, and the connecting piece 3 can automatically expand after leaving the ground, so that the wheel can roll forwards; through setting up elasticity ring bundle 5 and keeping fully expanded state when can letting the wheel natural state, and rolling is the transition that can let the flexible more natural of grip-pad 4 and connecting piece 3, improves user's comfort.
In a preferred embodiment, the connecting member 3 is a hinge structure including at least two sections, and two ends of the connecting member 3 are respectively hinged and fixed with the matching hole 12 and the connecting rod 44, so that the relative rigid connection can appropriately increase the deformation degree of the crawler 2 and increase the contact area with the ground. Referring to fig. 1, the connecting member 3 in the preferred embodiment is a three-joint hinge.
In a preferred embodiment, when viewed in the axial direction of the hub 1, one rib 42 is disposed at a middle position on the track shoe 4, a plurality of reinforcing holes 43 are uniformly disposed on the rib 42 along the length direction, so that a plurality of elastic ring bundles 5 can be sleeved on the rib 42, the structural strength of the wheel is improved, and the connecting rod 44 is disposed at a middle position in the length direction of the rib 42 and is in hinged fit with the connecting piece 3; the connecting pieces 3 are uniformly arranged along the circumferential direction of the hub 1 by 12-24, the number of the track shoes 4 is the same as that of the connecting pieces 3, and in the preferred embodiment, 15 connecting pieces 3 are arranged.
The hub 1, the connecting piece 3, the track shoe 4 and the like are made of materials with higher strength, such as steel, wear-resistant ceramics are selected in the preferred embodiment, the weight can be reduced while the strength is maintained, and the part, in contact with the ground, of the track shoe 4 and the bump 41 is glued with a layer of rubber, so that when the ground is concave and convex in a small-size map, the bumpy feeling of a vehicle can be reduced by stable passing of the rubber through deformation; in order to further reduce the weight of the vehicle, the hub 1 may be provided with lightening holes (not shown) while ensuring the strength.
Referring to fig. 4, in another embodiment of the present application, the connecting member 3 is a ring-shaped spring passing through the fitting hole 12 and the connecting rod 44 to provide elastic support when the track shoe 4 is retracted inward; it is also possible to use a spring or the like elastic structure directly as the connecting member 3.
Claims (7)
1. A wheel-track combined type wheel is characterized in that: including wheel hub, have in the middle of the wheel hub with the fixed complex mounting hole of pivot, the wheel hub outside is provided with round and wheel hub fixed connection and coaxial pivoted track, and wheel hub passes through the fixed cooperation of connecting piece with the track, the track includes a plurality of annular grip-pad of amalgamation, and the contact area on track and ground can be improved to the connecting piece that corresponds with the grip-pad of ground contact along with the grip-pad shrink.
2. The wheel-track composite wheel of claim 1, wherein: one side of each track shoe, which is back to the hub, is provided with a convex block protruding outwards, and the adjacent track shoes are hinged.
3. The wheel-track composite wheel of claim 2, wherein: the crawler belt comprises a crawler belt plate and is characterized in that at least one connecting rod pointing to the center of a hub is arranged on the crawler belt plate, matching holes corresponding to each connecting rod are uniformly formed in the edge of the hub, and the two ends of each connecting piece are respectively connected with the matching holes and the connecting rods of the hub.
4. The wheel-track composite wheel of claim 3, wherein: the connecting piece is a hinge structure at least comprising two sections, and two ends of the connecting piece are respectively in hinged fit with the matching hole of the hub and the connecting rod.
5. The wheel-track composite wheel of claim 3, wherein: the connecting piece is an annular spring which penetrates through the matching hole and the connecting rod.
6. The wheel-track composite wheel of claim 3, wherein: the crawler belt comprises a crawler belt body and is characterized in that ribs protruding outwards are arranged on one side, facing a hub, of the crawler belt body along the length direction of the crawler belt body, at least one reinforcing hole is formed in the ribs in the tangential direction of the crawler belt body, and the crawler belt body further comprises at least one elastic ring bundle penetrating through the reinforcing holes and connected with all the crawler belt bodies.
7. The wheel-track composite wheel of claim 6, wherein: seen along the axial direction of the hub, the rib is arranged at the middle position of the crawler plate, and the connecting rod is fixed on the rib and points to the center of the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426387.5U CN209920930U (en) | 2019-04-01 | 2019-04-01 | Wheel-track combined wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426387.5U CN209920930U (en) | 2019-04-01 | 2019-04-01 | Wheel-track combined wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209920930U true CN209920930U (en) | 2020-01-10 |
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ID=69072058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426387.5U Active CN209920930U (en) | 2019-04-01 | 2019-04-01 | Wheel-track combined wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209920930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910498A (en) * | 2019-04-01 | 2019-06-21 | 南京航空航天大学 | A kind of wheel-track combined wheel |
-
2019
- 2019-04-01 CN CN201920426387.5U patent/CN209920930U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910498A (en) * | 2019-04-01 | 2019-06-21 | 南京航空航天大学 | A kind of wheel-track combined wheel |
| CN109910498B (en) * | 2019-04-01 | 2024-04-12 | 南京航空航天大学 | Wheel-track composite wheel |
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