CN209521484U - It is a kind of with damping structure and fractal structure without tire wheel - Google Patents

Abstract

The utility model discloses a kind of with damping structure and fractal structure without tire wheel.Wheel includes spoke, wheel rim and wheel hub, and spoke is connected between wheel rim and wheel hub, and spoke architecture is band damping structure, and tire is not provided with outside wheel rim, and rim outer surface is equipped with fractal structure；No tire wheel is made into integration using carbon steel, and covers one layer of wear-resistant material again in fractal structure outer surface.The utility model can absorb energy and mitigate vibration, be suitble to special operation condition surface, increase friction and reduce abrasion.

Description

It is a kind of with damping structure and fractal structure without tire wheel

Technical field

The utility model relates to a kind of no tire wheel, more particularly, to it is a kind of with damping structure and fractal structure without wheel Tire wheel.

Background technique

Traditional wheel mitigates vibration by the tire of inflation, and this mode structure is simple, cheap, but inflatable Tire be not suitable for some special operation conditions, such as the machine that lunar rover works under vacuum conditions.

Utility model content

In order to solve the problems, such as background technique, the utility model proposes a kind of band damping structure and fractal structures Without tire wheel, reduce the risk blown out, improve the reliability of wheel, suitable for the wheel of panzer, mitigate vibration Mode is the energy by absorbing consumption vibration.

The technical solution adopted in the utility model is:

The utility model includes spoke, wheel rim and wheel hub, and the spoke architecture is band damping structure, is not provided with outside wheel rim Tire, rim outer surface are equipped with fractal structure.Band damping structure can effectively absorb energy and mitigate vibration；No tire is to adapt to Special operating condition such as lunar rover, Marsokhod, panzer etc.；Fractal structure increases contact area, while increasing friction.

The band damping structure is mainly made of inside and outside two circles semiellipse structure, and inside/outside circle semiellipse structure includes Circumferentially uniformly at intervals and close multiple semiellipsoids of tangent connection arrangement, the long axis of each semiellipse is along wheel radial direction cloth It sets；In inner ring semiellipse structure, semiellipsoid open end direction is simultaneously connected to wheel hub, tangent connection between adjacent semiellipsoid, And tangent tie point is located at semiellipsoid open end and wheel hub；In the semiellipse structure of outer ring, semiellipsoid open end direction simultaneously connects It is connected to wheel rim, tangent connection between adjacent semiellipsoid；The semiellipsoid quantity and outer ring semiellipse knot of inner ring semiellipse structure The semiellipsoid quantity of structure is identical and connects one to one, at the long axis of the semiellipsoid of each inner ring semiellipse structure and outer ring Tangent connection at the long axis of corresponding semiellipsoid in semiellipse structure；It is when wheel receives radial load impact in this way, Ellipse can generate slight deformation to absorb the energy of impact.Damping is thus achieved the purpose that.

The fractal structure is to be arranged in rim outer surface and circumferentially spaced uniformly distributed multiple female semi-circular structures, Point shape goes out circumferentially spaced uniformly distributed multiple sub- semi-circular structures again on the outer surface of each mother's semi-circular structure.

The minor axis dimension of the semiellipsoid of the inner ring semiellipse structure is less than the semiellipsoid of outer ring semiellipse structure Minor axis dimension.

The ratio between radial dimension of radial dimension of the wheel rim and female semi-circular structure is 18~24, female semi-circular structure Radial dimension and sub- semi-circular structure radial dimension between ratio be 12~16.

Female semi-circular structure arrangement quantity is 50~60, and each sub- semi-circular structure arrangement quantity of mother's semicircular body is 4~7.

Described is made into integration without tire wheel using carbon steel.

The fractal structure outer surface without tire wheel covers one layer of wear-resistant material again.

The surface for being applied to special operation condition without tire wheel, as the wheel on lunar rover, Marsokhod, panzer Son.

The utility model wheel mitigates vibration with the special construction of spoke to increase damping.As shown in Figure 1, the structure of spoke It is two tangent semiellipses, long axis coincides with the radius of wheel, absorbs energy by elliptical deformation and mitigates vibration. Traditional tire construction is abandoned to adapt to special operating condition, such as lunar rover.If the outer circle of Fig. 1 wheel uses fractal structure, with It is insufficient to solve friction caused by no tire.Meanwhile this structure is covered with wear-resistant material to reduce abrasion.

The utility model has the advantages that

1. meeting special operation condition, such as lunar rover without tire；

2. band damping structure alleviates vibration, replace traditional inflatable tire damping.

Make it possible 3. the fractal structure of tire outer circle increases friction without tire.

4. a point shape result for tire outer circle increases the external surface area of wheel, it can increase and rub and reduce abrasion.

Detailed description of the invention

Fig. 1 is overall schematic of the utility model without tire wheel.

Fig. 2 is the partial schematic diagram of fractal structure.

Specific embodiment

The utility model is further described below in conjunction with drawings and examples.

As shown in Figure 1, the wheel of the utility model includes spoke, wheel rim and wheel hub, spoke be connected to wheel rim and wheel hub it Between, spoke architecture is band damping structure, and tire is not provided with outside wheel rim, and rim outer surface is equipped with fractal structure.

As shown in Figure 1, being mainly made of inside and outside two circles semiellipse structure with damping structure, inside/outside circle semiellipse structure is equal Including circumferentially multiple semiellipsoids of tangent connection arrangement, the long axis of each semiellipse are radial along wheel uniformly at intervals and closely Arrangement, the short axle of semiellipse circumferentially arranged tangential；In inner ring semiellipse structure, semiellipsoid open end direction is simultaneously connected to wheel Hub, tangent connection between adjacent semiellipsoid, and tangent tie point is located at semiellipsoid open end and wheel hub；Outer ring semiellipse knot In structure, semiellipsoid open end direction is simultaneously connected to wheel rim, tangent connection between adjacent semiellipsoid；Inner ring semiellipse structure Semiellipsoid quantity is identical with the semiellipsoid quantity of outer ring semiellipse structure and connects one to one, each inner ring semiellipse knot The long axis edge of corresponding semiellipsoid is tangent in the long axis edge of the semiellipsoid of structure and outer ring semiellipse structure Connection；The minor axis dimension of the semiellipsoid of inner ring semiellipse structure is less than the short axle ruler of the semiellipsoid of outer ring semiellipse structure It is very little.In this way, ellipse generates slight deformation when wheel is by radial load impacting, long axis, which shortens, absorbs energy, and arrival subtracts The purpose of shake.

As shown in Fig. 2, fractal structure is to be arranged in rim outer surface and circumferentially spaced uniformly distributed multiple female semicircular bodies Structure, it is each mother semi-circular structure outer surface on again point shape go out circumferentially spaced uniformly distributed multiple sub- semi-circular structures.Specifically In implementation, semi-circular structure is semicylinder, and the centerline axis parallel of semicylinder is axially arranged in wheel, in semicylinder Mandrel line is located on wheel rim outer peripheral surface or on the outer peripheral surface of female semi-circular structure.

In specific implementation, the ratio between radial dimension of radial dimension of wheel rim and female semi-circular structure is 26, female semicircular body knot The ratio between radial dimension of the radial dimension of structure and sub- semi-circular structure is 16, and female semi-circular structure quantity is 60, each mother's semicircle The arrangement quantity of sub- semi-circular structure on body is 5.

Specific implementation be made into integration without tire wheel using carbon steel, and fractal structure outer surface cover again one layer it is wear-resisting Material reduces abrasion.

The working principle process of the utility model is:

By the utility model wheel on lunar rover, Marsokhod, panzer, in special operation condition surface scrolls, wheel It is impacted when revolution by radial load, the band damping structure of spoke can generate slight deformation, absorb the energy of vibration, mitigate vibration Instead of the shock-absorbing function of traditional tire.The fractal structure of wheel outer circle increases friction and contact area, surface covering Wear-resistant material alleviate abrasion, improve service life.

Above-mentioned specific embodiment is used to illustrate the utility model, rather than limits the utility model, In the spirit and scope of protection of the claims of the utility model, to any modifications and changes that the utility model is made, all fall Enter the protection scope of the utility model.

Claims (7)

1. it is a kind of with damping structure and fractal structure without tire wheel, including spoke, wheel rim and wheel hub, it is characterised in that: institute The spoke architecture stated is band damping structure, and tire is not provided with outside wheel rim, and rim outer surface is equipped with fractal structure.

2. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that: the band Damping structure mainly by it is inside and outside two circle semiellipse structure constitute, inside/outside circle semiellipse structure include circumferentially uniformly at intervals and Multiple semiellipsoids of close tangent connection arrangement, the long axis of each semiellipse are radially arranged along wheel；Inner ring semiellipse structure In, semiellipsoid open end direction is simultaneously connected to wheel hub, tangent connection between adjacent semiellipsoid, and tangent tie point positioned at half Ellipsoid open end and wheel hub；In the semiellipse structure of outer ring, semiellipsoid open end direction is simultaneously connected to wheel rim, adjacent semiellipse Tangent connection between body；The semiellipsoid quantity of inner ring semiellipse structure is identical with the semiellipsoid quantity of outer ring semiellipse structure And connect one to one, it is respectively corresponded at the long axis of the semiellipsoid of each inner ring semiellipse structure and in the semiellipse structure of outer ring Semiellipsoid long axis at tangent connection；The fractal structure is to be arranged in rim outer surface and circumferentially spaced uniformly distributed Multiple female semi-circular structures, point shape goes out circumferentially spaced uniformly distributed multiple sons half again on the outer surface of each mother's semi-circular structure Circle structure.

3. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that:

The minor axis dimension of the semiellipsoid of the inner ring semiellipse structure is less than the short of the semiellipsoid of outer ring semiellipse structure Shaft size.

4. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that:

The ratio between the radial dimension of the wheel rim and radial dimension of female semi-circular structure are the diameter of 18~24, female semi-circular structure It is 12~16 to the ratio between size and the radial dimension of sub- semi-circular structure.

5. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that:

Described is made into integration without tire wheel using carbon steel.

6. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that:

The fractal structure outer surface without tire wheel covers one layer of wear-resistant material again.

7. it is according to claim 1 it is a kind of with damping structure and fractal structure without tire wheel, it is characterised in that:

The surface for being applied to special operation condition without tire wheel, as the wheel on lunar rover, Marsokhod, panzer.