A kind of manned lunar rover metal elastic wheel of spoke wheel face integrationTechnical field
The present invention relates to a kind of wheels, and in particular to a kind of manned lunar rover metal elastic wheel of spoke wheel face integration.
Background technique
Moonscape is covered with one layer of soft lunar soil, and throughout crater and stone, this requires manned lunar rover that should haveThere is good regularity and stability.Therefore, wheel should be elastic wheel.But the complex environment of moonscape: microgravity, Gao ZhenEmpty, intense radiation and the big temperature difference, so that rubber and inflation wheel are difficult to be applicable in.Therefore, it is necessary to design a kind of metal material, loadThe good and biggish elastic wheel of tractive force, so that manned lunar rover is when driving, can play buffering and subtract to adapt to moonscapeThe effects of shake, smoothly travels for lunar rover and provides safeguard.
Summary of the invention
The object of the present invention is to provide a kind of manned lunar rover metal elastic wheels of spoke wheel face integration, to solve rigidityTake turns the problem that hauling ability is poor, cushion performance difference is low with ride comfort.
A kind of manned lunar rover metal elastic wheel of spoke wheel face integration, including wheel hub, arc elastic spoke wheel face andRigid cage, wheel hub and rigid cage coaxial rigid are installed, and arc elastic spoke wheel face is mounted on rigidity end to endOn the outside of support frame and the spoke of arc elastic spoke wheel face is connect by bolt with wheel hub；
Wheel hub is sheet metal structural, and both ends offer through-hole；
Rigid cage includes that stereosphere, rigid strut and stiff shaft, rigid strut are uniformly and equidistantly mounted on stiff shaftAround, stereosphere is connected on rigid strut；
Arc elastic spoke wheel face can be integrated structure, and spoke is uniformly and equidistantly mounted on around wheel hub, and spoke wheel face is equalEvagination setting is equipped with uniform wheel thorn in wheel face outer surface, to increase traction.
The rigid cage is set as two rows of stereospheres, is symmetrically mounted at stiff shaft two sides by rigid strut, justProperty circle is co-axially mounted with wheel shaft.
The arc elastic spoke wheel face material is spring steel, keeps spoke wheel face elastic deformation degree bigger, restorativeBy force, rigid support frame material is aluminium alloy, to mitigate wheel weight.
The working principle of the invention and use process:
The present invention provides a kind of spoke wheel face integration manned lunar rover metal elastic wheel, when passing through lunar surface, oneDifferent degrees of deformation can be generated according to the variation of ground contact forces size by changing arc elastic spoke wheel face, reduced vibration, mentionedHigh trafficability and ride comfort effectively improve the mobility and flexibility of manned lunar rover；When manned lunar rover travels onWhen lunar surface, arc elastic spoke wheel face stress changes, and flexible deformation occurs for arc elastic spoke wheel face, can play buffering and subtractThe effect of shake can generate elastic potential energy after the deformation of arc elastic spoke wheel face, by the arc elastic spoke wheel face bullet of recessIt rises, arc elastic spoke wheel face is made to restore to the original state, the wheel thorn for being evenly spaced in wheel face outer surface can shear soil, to increaseSoil improves vehicle climbing capacity and obstacle climbing ability to the horizontal thrust of wheel；When elastic wheel is pressurized, due to arc elastic wheelSpoke wheel face setting is structure as a whole, arc elastic spoke wheel face occur integral, flexible deformation when, can by pressure conduction to wheel itsHis position, and the rapid wear point of arc elastic spoke wheel face contact position is avoided, spoke is structure as a whole with wheel face setting, and spokeIt is set as outer male structure, when elastic wheel is under pressure and when occurring elastic deformation, after arc elastic spoke wheel face is pressurizedRecess outward can increase contact area between wheel-ground with ground face contact and when deformation quantity is big, reduce and contact between wheel-groundPressure；When road surface varies widely, and vehicle is by greater impact, big deformation occurs for arc elastic spoke wheel face to exceedThe elastic limit of arc elastic spoke wheel face, it will cause the excessive deformation of arc elastic spoke wheel face that can not restore to the original state, thereforeRigid cage between wheel hub and arc elastic spoke wheel face can effectively prevent the deformation quantity mistake of arc elastic spoke wheel faceGreatly, i.e., when wheel is impacted, arc elastic spoke wheel face is contacted with two rows of stereospheres, and stereosphere can support arc elasticSpoke wheel face prevents arc elastic spoke wheel face from continuing to deform, so as to prevent arc elastic spoke wheel face from occurring excessively to becomeShape, under the action of stereosphere support, arc elastic spoke wheel face can restore to the original state.
Beneficial effects of the present invention:
Arc elastic spoke wheel face integrated design of the invention can be kept away when under stress elastic deformation occurs for wheelExempt from the easy damage structure of spoke Yu wheel face junction, and in the case where wheel face is pressurized and when elastic deformation occurs, due to spokeOuter male structure, the excessive spoke of deformation quantity can be with ground face contact, and then contacts area between increasing wheel ground；Arc elastic wheel spoke wheelFace degree of deformability is big, restorative strong, has good ride comfort；It can be good at adapting to moonscape without turning between road surfaceIt changes, it is adaptable to low gravitation, complex road condition, the vibration and pressure of vehicle, and energy storage energy can be absorbed, is played goodCushioning effect；Road holding is strong, there is good obstacle detouring and climbing property；Rigid shock can be reduced, avoid rigid structure because of punchingIt hits load to damage, the degree of wear is small, extends the service life of wheel.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention.
Fig. 2 is left view of the invention.
Fig. 3 is rigid cage stereoscopic schematic diagram of the invention.
Fig. 4 is arc elastic spoke wheel face expanded schematic diagram of the invention.
Fig. 5 is wheel hub stereoscopic schematic diagram of the present invention.
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 5, a kind of manned lunar rover metal elastic wheel of spoke wheel face integration, including wheel hub1, arc elastic spoke wheel face 2 and rigid cage 3, wheel hub 1 and 3 coaxial rigid of rigid cage are installed, arc elastic spokeWheel face 2 is mounted on 3 outside of rigid cage end to end and the spoke of arc elastic spoke wheel face 2 passes through bolt and wheel hub 1Connection；
Wheel hub 1 is sheet metal structural, and both ends offer through-hole；
Rigid cage 3 includes that stereosphere 4, rigid strut 5 and stiff shaft 6, rigid strut 5 are uniformly and equidistantly mounted on justAround property axis 6, stereosphere 4 is connected on rigid strut 5；
Arc elastic spoke wheel face 2 can be integrated structure, and spoke is uniformly and equidistantly mounted on around wheel hub, and spoke wheel face is equalEvagination setting is equipped with uniform wheel thorn in wheel face outer surface, to increase traction.
The rigid cage 3 is set as two rows of stereospheres 4, is symmetrically mounted at 6 liang of stiff shaft by rigid strut 5Side, stereosphere 4 are co-axially mounted with wheel shaft.
2 material of arc elastic spoke wheel face is spring steel, keeps spoke wheel face elastic deformation degree bigger, restorativeBy force, 3 material of rigid cage is aluminium alloy, to mitigate wheel weight.
The working principle and use process of the present embodiment:
It please refers to shown in Fig. 1 to Fig. 5, the present invention provides a kind of spoke wheel face integration manned lunar rover metallic elastic vehicleWheel, when passing through lunar surface, integrated arc elastic spoke wheel face 2 can generate different journeys according to the variation of ground contact forces sizeThe deformation of degree reduces vibration, improves trafficability and ride comfort, effectively improves the mobility and flexibly of manned lunar roverProperty；When manned lunar rover travels on lunar surface, 2 stress of arc elastic spoke wheel face changes, and arc elastic spoke wheel face 2 is sent outRaw flexible deformation, can play the role of bumper and absorbing shock, can generate elastic potential energy after the deformation of arc elastic spoke wheel face 2, willThe arc elastic spoke wheel face 2 of recess bounces, and so that arc elastic spoke wheel face 2 is restored to the original state, is evenly spaced in wheel face outer surfaceWheel thorn can shear soil, to increase soil to the horizontal thrust of wheel, improve vehicle climbing capacity and obstacle climbing ability；WhenElastic wheel is pressurized, and since the setting of arc elastic spoke wheel face 2 is structure as a whole, whole bullet occurs for arc elastic spoke wheel face 2, can be by other positions of pressure conduction to wheel when property deformation, and the rapid wear point of 2 contact position of arc elastic spoke wheel face is avoided,Spoke is structure as a whole with wheel face setting, and spoke is set as outer male structure, when under pressure bullet occurs for elastic wheelProperty deformation when, arc elastic spoke wheel face 2 is recessed outward after being pressurized, and when deformation quantity is big, can increase with ground face contactContact area between wheel-ground reduces contact pressure between wheel-ground；When road surface varies widely, and vehicle is by greater impact,Big deformation occurs for arc elastic spoke wheel face 2 to exceed the elastic limit of arc elastic spoke wheel face 2, it will leads to arc bulletThe excessive deformation of property spoke wheel face 2 can not restore to the original state, therefore the rigid cage 3 between wheel hub 1 and arc elastic spoke wheel face 2It can effectively prevent the deformation quantity of arc elastic spoke wheel face 2 excessive, i.e., when wheel is impacted, arc elastic spoke wheel face2 contact with two rows of stereospheres 4, and stereosphere 4 can support arc elastic wheel spoke wheel face 2, prevent arc elastic spoke wheel face 2 from continuingDeformation, so as to prevent arc elastic spoke wheel face 2 from excessive deformation occurs, under the action of stereosphere 4 supports, arc elasticSpoke wheel face 2 can restore to the original state.