CN108116154B - Mars elastic wheel - Google Patents
Mars elastic wheel Download PDFInfo
- Publication number
- CN108116154B CN108116154B CN201810117024.3A CN201810117024A CN108116154B CN 108116154 B CN108116154 B CN 108116154B CN 201810117024 A CN201810117024 A CN 201810117024A CN 108116154 B CN108116154 B CN 108116154B
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- Prior art keywords
- wheel
- arc
- wheel surface
- spokes
- elastic
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B15/00—Wheels or wheel attachments designed for increasing traction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
- B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a Mars elastic wheel, which comprises a wheel hub, arc-shaped elastic spokes, a wheel surface and an excessive deformation protection mechanism, wherein the wheel hub is cylindrical, and one end of the wheel hub is connected with a wheel shaft; the wheel hub is connected with the wheel surface through arc-shaped elastic spokes, one end of each arc-shaped elastic spoke is uniformly and equidistantly fixed on the peripheral ring of the wheel hub, and the other end of each arc-shaped elastic spoke is fixed on the inner side of the wheel surface; the excessive deformation protection mechanism comprises a supporting rod and a top plate, wherein the top plate is supported by the supporting rod and fixed on the wheel hub circumference, and the top plate is positioned between the wheel hub and the wheel surface; the invention has simple structure, large wheel surface deformability, strong restorability, low gravity on the Mars surface and strong adaptability to complex road conditions.
Description
Technical Field
The invention relates to a wheel, in particular to an elastic wheel of a Mars vehicle.
Background
The Mars are basically desert planets and are formed by wind-accumulated land features and wind-etched land features, a layer of loose weathered layer, namely Mars soil, is covered on the surface of the Mars, the Mars are severely pitted, the appearance features are various, and the Mars comprise mountains, canyons, pits, shield-shaped volcanic, riverbeds, flat lands and the like, and fall and change greatly. The rock distribution density of the Mars surface is large, and the coverage rate is about 14-16%. The average gravity acceleration of the Mars surface is equal to 38% of the gravity acceleration of the earth surface, and the Mars is thin and difficult to keep heat from solar radiation, so that the temperature difference of the Mars surface is particularly large, the average surface temperature is-63 ℃ (14 ℃ for the earth), and the running stability of the inspection device is reduced due to the lower gravity acceleration and bumpy road surface. Due to extreme environments such as large temperature difference on the surfaces of Mars and strong radiation, elastic materials such as rubber cannot be applied. The Mars wheels need to have good traction passing performance and buffering and vibration reducing performance so as to ensure stable running of the Mars. At present, a rigid wheel is usually selected for a Mars vehicle wheel which logs on a Mars, and the rigid wheel is generally composed of a hub, spokes and a rim, and has the advantages of high strength, simple structure, good bearing performance and the like, but also has the defects of poor traction performance, poor buffering performance, low smoothness and the like. Therefore, there is a need for a spark wheel with good elasticity and long service life, which can adapt to the special topography of the spark surface, so that the spark wheel is elastically deformed under the influence of gravity load when walking, the grounding area is increased, the specific pressure is reduced, and the subsidence is further reduced, so that the traction performance is improved.
Disclosure of Invention
The invention aims to solve the problems of poor traction performance, poor buffering performance, low smoothness and the like of a Mars vehicle wheel at the present stage, and provides a Mars vehicle elastic wheel.
The invention provides a Mars elastic wheel, which comprises a wheel hub, arc-shaped elastic spokes, a wheel surface and an excessive deformation protection mechanism, wherein the wheel hub is cylindrical, and one end of the wheel hub is connected with a wheel shaft; the wheel hub is connected with the wheel surface through arc-shaped elastic spokes, one end of each arc-shaped elastic spoke is uniformly and equidistantly fixed on the peripheral ring of the wheel hub, and the other end of each arc-shaped elastic spoke is fixed on the inner side of the wheel surface; the excessive deformation protection mechanism comprises a supporting rod and a top plate, wherein the top plate is supported by the supporting rod and fixed on the wheel hub circumference, and the top plate is positioned between the wheel hub and the wheel surface;
the arc-shaped elastic spokes are arranged on the peripheral rings at the head end and the tail end of the hub, annular elastic spokes are further arranged between the head end and the tail end of the arc-shaped elastic spokes, the annular elastic spokes are uniformly and equidistantly fixed on the peripheral ring of the hub, and the two ends of the annular elastic spokes are respectively connected with the outer surface of the hub and the inner surface of the wheel surface;
the top plate of the excessive deformation protection mechanism is an arc-shaped top plate, and the arc-shaped top plate has the same radian as the wheel surface;
the wheel surface is an annular metal plate wheel surface;
transverse spines are equidistantly arranged along the outer surface of the wheel surface, and the spines are ribs perpendicular to the wheel surface;
the working principle and the process of the invention are as follows:
according to the elastic wheel of the Mars, when the Mars passes through complex pavements such as hard rocks and soft sandy soil, the wheel surface is elastically deformed under the action of gravity load of the Mars, so that the contact area of the wheel surface and the ground is increased, the pressure is reduced, the wheel is prevented from slipping and sinking (the wheel is prevented from being reduced), and the movement performance of the wheel is effectively improved;
when the Mars vehicle runs on uneven ground, the wheel surface is sunken, the arc-shaped elastic spokes and the annular elastic spokes between the wheel hub and the wheel surface are stressed to generate elastic deformation, the vibration and the pressure of the Mars vehicle are absorbed, the effect of buffering and vibration reduction is achieved, the arc-shaped elastic spokes and the annular elastic spokes can store energy, after the wheel surface is sunken, the wheel surface is supported and rebounded, the sunken wheel surface is jacked up, and the wheel surface is restored to the original state;
the transverse wheel punctures uniformly distributed on the surface of the wheel surface can shear and destroy soil so as to obtain the thrust of the soil to the wheels, and the climbing capacity and obstacle crossing capacity of the wheels are improved;
if the wheel surface excessively dents and exceeds the elastic limit of the arc-shaped elastic spokes and the annular elastic spokes, the wheel surface can not rebound to be in an original state, so that the excessive deformation protection mechanism between the wheel hub and the wheel surface can effectively protect the excessive deformation of the wheel surface of the wheel, namely, when the wheel surface dents to the top plate of the excessive deformation protection mechanism, the top plate can support the wheel surface to prevent the continued dent, and then the wheel surface is restored to be in an original state under the supporting action of the arc-shaped elastic spokes and the annular elastic spokes.
The invention has the beneficial effects that:
the elastic wheel of the Mars vehicle provided by the invention has the advantages of simple structure, safety, reliability, large wheel surface deformability, strong restorability and excellent smoothness; the device has strong adaptability to the complex road conditions with low gravity on the surface of the Mars, can absorb considerable vibration and has good vibration reduction effect; the ground grabbing performance is strong, and the obstacle crossing performance and the climbing performance are good; the rigid impact can be reduced, the damage of the rigid structure caused by impact load is avoided, the abrasion degree is small, and the service life of the wheel is prolonged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic view of the hub structure of the present invention.
1. Wheel hub 2, arc-shaped elastic spoke 3, wheel surface 4 and excessive deformation protection mechanism
5. The support rod 6, the top plate 7, the annular elastic spoke 8 and the wheel thorn.
Detailed Description
Referring to fig. 1, 2 and 3, the invention provides a Mars elastic wheel, which comprises a wheel hub 1, arc-shaped elastic spokes 2, a wheel surface 3 and an excessive deformation protection mechanism 4, wherein the wheel hub 1 is cylindrical, and one end of the wheel hub is connected with a wheel shaft; the wheel hub 1 is connected with the wheel surface 3 through an arc-shaped elastic spoke 2, one end of the arc-shaped elastic spoke 2 is uniformly and equidistantly fixed on the circumference of the wheel hub 1 through bolts, and the other end of the arc-shaped elastic spoke is fixed on the inner side of the wheel surface 3 through bolts; the over-deformation protection mechanism 4 comprises a supporting rod 5 and a top plate 6, the top plate 6 is supported by the supporting rod 5 and fixed on the periphery of the hub 1, the top plate 6 is positioned between the hub 1 and the wheel face 3, the arc-shaped elastic spokes 2 are arc-shaped, preferably spring steel materials, so that the elasticity of the arc-shaped elastic spokes 2 is increased, the elastic deformation effect of the wheel is improved, and the over-deformation protection mechanism 4 is preferably made of aluminum alloy materials so as to reduce the weight of the wheel;
the arc-shaped elastic spokes 2 are arranged on the circumferential rings at the head end and the tail end of the hub 1, annular elastic spokes 7 are further arranged between the head end and the tail end of the arc-shaped elastic spokes 2, the annular elastic spokes 7 are uniformly and equidistantly fixed on the circumferential rings of the hub 1, the two ends of each annular elastic spoke are respectively connected with the outer surface of the hub 1 and the inner surface of the wheel surface 3 through bolts, the annular elastic spokes 7 are annular, rebound capability is stronger, spring steel materials are preferred, accordingly, the elasticity of the annular elastic spokes 7 is increased, and the elastic deformation effect of the wheel is improved. The annular elastic spokes 7 are arranged in two rows and are respectively arranged at two sides of the excessive deformation protection mechanism 4, the elasticity of the annular elastic spokes 7 is stronger, and the arc-shaped elastic spokes 2 are assisted to support the wheel surface 3;
the top plate 6 of the excessive deformation protection mechanism 4 is an arc-shaped top plate, and the arc-shaped top plate is the same as the radian of the wheel surface 3;
the wheel surface 3 is an annular metal plate wheel surface, can generate elastic deformation and can recover in time, and is preferably made of spring steel material, so that the elasticity of the wheel surface 3 is increased;
transverse spines 8 are arranged at equal intervals along the outer surface of the wheel surface 3, and the spines 8 are ribs perpendicular to the wheel surface 3, preferably made of aluminum alloy materials, so that the weight of the wheel is reduced.
The working principle and the process of the invention are as follows:
referring to fig. 1, 2 and 3, when the Mars elastic wheel passes through a complex road surface such as hard rock, soft sandy soil and the like, the wheel surface 3 elastically deforms under the action of gravity load of the Mars, so that the contact area of the wheel surface 3 and the ground is increased, the pressure is reduced, the wheel is prevented from slipping and sinking, and the movement performance of the wheel is effectively improved;
when the Mars run on uneven ground, the wheel surface 3 is sunken, the arc-shaped elastic spokes 2 and the annular elastic spokes 7 between the hub 1 and the wheel surface 3 are stressed to generate elastic deformation, the vibration and the pressure of the Mars are absorbed, the effect of buffering and damping is achieved, the arc-shaped elastic spokes 2 and the annular elastic spokes 7 can store energy, after the wheel surface 3 is sunken, the wheel surface 3 is supported and rebounded, the sunken wheel surface 3 is jacked, and the wheel surface 3 is restored to the original state;
the transverse wheel thorns 8 uniformly distributed on the surface of the wheel surface 3 can shear and destroy soil so as to obtain the thrust of the soil to the wheels, and the climbing capacity and obstacle crossing capacity of the wheels are improved;
if the wheel surface 3 is excessively sunken and exceeds the elastic limit of the arc-shaped elastic spokes 2 and the annular elastic spokes 7, the wheel surface 3 cannot rebound and recover, so that the excessive deformation protection mechanism 4 between the wheel hub 1 and the wheel surface 3 can effectively protect the excessive deformation of the wheel surface 3, namely, when the wheel surface 3 is sunken to the top plate 6 of the excessive deformation protection mechanism 4, the top plate 6 can support the wheel surface 3 to prevent the continuous recession, and then the wheel surface 3 recovers under the supporting action of the arc-shaped elastic spokes 2 and the annular elastic spokes 7.
Claims (1)
1. The application method of the Mars elastic wheel comprises the steps of a wheel hub (1), arc-shaped elastic spokes (2), a wheel surface (3) and an excessive deformation protection mechanism (4), wherein the wheel hub (1) is cylindrical, and one end of the wheel hub is connected with a wheel shaft; the wheel hub (1) is connected with the wheel surface (3) through arc-shaped elastic spokes (2), one end of each arc-shaped elastic spoke (2) is uniformly and equidistantly fixed on the circumference of the wheel hub (1) through bolts, and the other end of each arc-shaped elastic spoke is fixed on the inner side of the wheel surface (3) through bolts; the over-deformation protection mechanism (4) comprises a supporting rod (5) and a top plate (6), the top plate (6) is supported by the supporting rod (5) and is fixed on the periphery of the wheel hub (1), the top plate (6) is positioned between the wheel hub (1) and the wheel surface (3), the arc-shaped elastic spoke (2) is of an arc shape, and the material is a spring steel material, so that the elasticity of the arc-shaped elastic spoke (2) is increased, the elastic deformation effect of the wheel is improved, and the material of the over-deformation protection mechanism (4) is an aluminum alloy material, so that the weight of the wheel is reduced;
the arc-shaped elastic spokes (2) are arranged on the circumferential rings at the front end and the rear end of the hub (1), annular elastic spokes (7) are arranged between the two rows of arc-shaped elastic spokes (2) at the front end and the rear end, the annular elastic spokes (7) are uniformly and equidistantly fixed on the circumferential rings of the hub (1), the two ends of each annular elastic spoke are respectively connected with the outer surface of the hub (1) and the inner surface of the wheel surface (3) through bolts, the annular elastic spokes (7) are annular, the rebound capacity is stronger, the material is a spring steel material, so that the elasticity of the annular elastic spokes (7) is increased, the elastic deformation effect of the wheel is improved, the annular elastic spokes (7) are arranged at the two sides of the excessive deformation protection mechanism (4) respectively, the elasticity of the annular elastic spokes (7) is stronger, and the arc-shaped elastic spokes (2) are assisted to support the wheel surface (3);
the top plate (6) of the excessive deformation protection mechanism (4) is an arc-shaped top plate, and the arc-shaped top plate and the wheel surface (3) have the same radian;
the wheel surface (3) is an annular metal plate wheel surface, can generate elastic deformation and can recover in time, and the material is a spring steel material, so that the elasticity of the wheel surface (3) is increased;
transverse wheel spines (8) are equidistantly arranged along the outer surface of the wheel surface (3), the wheel spines (8) are ribs perpendicular to the wheel surface (3), and the material is an aluminum alloy material so as to reduce the weight of the wheel;
when the elastic wheel of the spark vehicle passes through hard rock and soft sandy soil and other complex road surfaces, the wheel surface (3) elastically deforms under the action of gravity load of the spark vehicle, so that the contact area of the wheel surface (3) and the ground is increased, the pressure is reduced, the wheel is prevented from slipping and sinking, and the movement performance of the wheel is effectively improved;
the application method of the Mars elastic wheel comprises the following steps: when the Mars vehicle runs on uneven ground, the wheel surface (3) is sunken, the arc-shaped elastic spokes (2) and the annular elastic spokes (7) between the wheel hub (1) and the wheel surface (3) are stressed to generate elastic deformation, the vibration and the pressure of the Mars vehicle are absorbed, the vibration reduction effect is achieved, the arc-shaped elastic spokes (2) and the annular elastic spokes (7) can store energy, after the wheel surface (3) is sunken, the wheel surface (3) is supported and rebounded, the sunken wheel surface (3) is jacked, and the wheel surface (3) is restored to the original state;
the transverse wheel thorns (8) uniformly distributed on the surface of the wheel surface (3) can shear and destroy soil so as to obtain the thrust of the soil to the wheels, and the climbing capacity and obstacle crossing capacity of the wheels are improved;
if the wheel surface (3) excessively dents and exceeds the elastic limit of the arc-shaped elastic spokes (2) and the annular elastic spokes (7), the wheel surface (3) cannot rebound to be in an original shape, so that the excessive deformation protection mechanism (4) between the wheel hub (1) and the wheel surface (3) can effectively protect the excessive deformation of the wheel surface (3), namely, when the wheel surface (3) dents to the top plate (6) of the excessive deformation protection mechanism (4), the top plate (6) can support the wheel surface (3) to prevent from continuing to dent, and then the wheel surface (3) is restored to the original shape under the supporting action of the arc-shaped elastic spokes (2) and the annular elastic spokes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117024.3A CN108116154B (en) | 2018-02-06 | 2018-02-06 | Mars elastic wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117024.3A CN108116154B (en) | 2018-02-06 | 2018-02-06 | Mars elastic wheel |
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| Publication Number | Publication Date |
|---|---|
| CN108116154A CN108116154A (en) | 2018-06-05 |
| CN108116154B true CN108116154B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117024.3A Active CN108116154B (en) | 2018-02-06 | 2018-02-06 | Mars elastic wheel |
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| Country | Link |
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| CN (1) | CN108116154B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109094295B (en) * | 2018-09-29 | 2020-03-24 | 北京力升高科科技有限公司 | High-temperature-resistant wheel |
| CN111152601B (en) * | 2020-01-13 | 2022-11-18 | 吉林大学 | Elastic bionic walking wheel of manned lunar vehicle |
| GB202008190D0 (en) * | 2020-03-04 | 2020-07-15 | Ocado Innovation Ltd | Wheel |
| CN111660718B (en) * | 2020-06-23 | 2024-01-30 | 中船海洋探测技术研究院有限公司 | Wheel and vehicle |
| CN112918182B (en) * | 2021-04-02 | 2022-09-23 | 吉林大学 | Bionic walking wheel capable of automatically adapting to soft and hard surfaces of planet |
| CN113619325A (en) * | 2021-09-02 | 2021-11-09 | 吉林大学 | Mars vehicle wheel |
| CN114103546B (en) * | 2021-12-03 | 2023-11-17 | 北京航空航天大学 | Variable diameter wheel with elastic spoke |
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Inventor after: Zou Meng Inventor after: Wang Song Inventor after: Li Liben Inventor after: Wei Kaifeng Inventor after: Liu Shengfu Inventor after: Wang Qi Inventor after: Gai Hongjian Inventor after: Yao Jiuyuan Inventor before: Zou Meng Inventor before: Wang Gao Inventor before: Li Liben Inventor before: Wei Kaifeng Inventor before: Liu Shengfu Inventor before: Wang Qi Inventor before: Gai Hongjian Inventor before: Yao Jiuyuan |
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