CN110217046B - A lightweight high strength wheel hub for commercial car - Google Patents
A lightweight high strength wheel hub for commercial car Download PDFInfo
- Publication number
- CN110217046B CN110217046B CN201910532470.5A CN201910532470A CN110217046B CN 110217046 B CN110217046 B CN 110217046B CN 201910532470 A CN201910532470 A CN 201910532470A CN 110217046 B CN110217046 B CN 110217046B
- Authority
- CN
- China
- Prior art keywords
- hub
- disc
- outer ring
- lightweight high
- commercial vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 39
- 239000000956 alloy Substances 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 abstract description 19
- 239000013585 weight reducing agent Substances 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 229910001141 Ductile iron Inorganic materials 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910018569 Al—Zn—Mg—Cu Inorganic materials 0.000 description 1
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910017818 Cu—Mg Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2360/00—Materials; Physical forms thereof
- B60B2360/10—Metallic materials
- B60B2360/104—Aluminum
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a light-weight high-strength hub for a commercial vehicle, which is made of high-strength aluminum alloy materials, and the hub is made of the high-strength aluminum alloy materials integrally, so that the weight of the hub can be effectively reduced, and the weight reduction ratio can reach 48%; the yield strength of the high-strength aluminum alloy material is 276MPa, and is between 74 percent (QT 600) and 89 percent (QT 450) of the yield strength of the ductile iron material. Through finite element analysis, consider the worst condition of turning on one's side, set up to the variable cross section circular through inboard quotation center department, can make the cross section material of wheel hub obtain better distribution, weight is lightest on guaranteeing that the part has the basis of sufficient intensity, improves axial atress ability, has guaranteed the reliability of product.
Description
[ Field of technology ]
The invention belongs to the technical field of wheel hubs of commercial vehicles, and particularly relates to a lightweight high-strength hub for a commercial vehicle.
[ Background Art ]
The vehicle is widely applied to road transportation and engineering transportation, the hub is an important link between the ground and the vehicle body, the bearing capacity of the vehicle determines the bearing capacity of the whole vehicle, and the weight of the vehicle influences the economic requirements of the whole vehicle such as oil consumption and the like. The lighter the weight is, the more advantageous it is in terms of satisfying the load carrying capacity. The existing hub products are mainly made of cast iron alloy or alloy structural steel, such as nodular cast iron QT450, alloy structural steel 42CrMo and other materials, and the forming method mainly comprises casting and forging, and the forming process has high smelting temperature, high energy consumption, difficult cutting and high processing cost; in the use process, the energy-saving and emission-reducing device has the advantages of high density, heavy weight, high energy consumption, adverse economical efficiency of the whole vehicle and adverse energy conservation and emission reduction. The existing ferroalloy material hub is subjected to light-weight structural optimization design, the weight reduction ratio which can be achieved is limited and is generally not more than 10%, and the light-weight requirement of the whole automobile on the component products according to higher and higher energy consumption and emission regulations is not met.
In order to continuously meet the product requirement of light weight of the whole vehicle, the application of a light weight new material to replace steel materials has become an important direction of axle development. The aluminum alloy is a light metal material with lower density in all the existing metal materials, and the density and the elastic modulus of the aluminum alloy are about one third of those of steel materials, so that the aluminum alloy is the preferred material for reducing the dead weight of automobiles and improving the energy conservation and environmental protection.
The strength of the common cast aluminum material is low, if the common cast aluminum material is molded by adopting a single cast aluminum material, more volume of aluminum is needed to meet the requirements of rigidity and strength, the weight reduction ratio is generally not more than 30%, and the common cast aluminum material is also limited by various space arrangement; the latest aluminum alloy light-weight technology has the advantages that the steel sleeve is embedded on the aluminum body to meet the requirements of comprehensive optimization in two aspects of rigidity and weight, but the method has the defects of complex casting process, high cost and the like.
[ Invention ]
The invention aims to overcome the defects of the prior art and provide a lightweight high-strength hub for a commercial vehicle; the hub is made of the high-strength aluminum alloy material, and the hub structure is optimized, so that comprehensive optimization requirements of the hub in multiple aspects such as high strength, simple production process, weight and the like can be met.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
A lightweight high-strength hub for a commercial vehicle, the hub comprising a first disk face and a second disk face, the first disk face being smaller in diameter than the second disk face; the first disc surface is connected with the second disc surface through an inclined surface ring, and the first disc surface, the second disc surface and the inclined surface ring are all coaxial;
The first disc surface comprises an annular outer ring and a rotary thin-wall surface in the outer ring, and the outer ring and the rotary thin-wall surface are coaxial; the rotary thin-wall surface is in an arc surface shape, and the circular cross-section area of the rotary thin-wall surface perpendicular to the axial direction of the rotary thin-wall surface gradually increases along the axial direction of the rotary thin-wall surface from the second arc surface of the rotary thin-wall surface to the first arc surface of the rotary thin-wall surface.
The invention further improves that:
Preferably, the outer side edge of the second disk surface is circular or petal-shaped.
Preferably, the upper end surface of the second disk surface is provided with a plurality of circular bosses along the axial direction, and the axes of the circular bosses are parallel to the axis of the second disk surface; the adjacent circular bosses are equal in circumferential distance along the second disc surface;
each circular boss is provided with a second through hole along the axis thereof at the center thereof.
Preferably, the junction of the outer side surface of the circular boss and the upper end surface of the second disk surface is a transition fillet.
Preferably, each second through hole is penetrated by a knurled bolt, the knurled bolt is in interference fit with the second through hole, and the second disc surface is connected with the rim through the knurled bolt.
Preferably, the outer ring is provided with a plurality of first through holes along the circumferential direction of the outer ring, and the adjacent first through holes are equal in distance along the circumferential direction of the outer ring; the first through hole is penetrated by a bolt, and the outer ring is connected with a brake disc through the bolt;
the outer side of the upper end face of the outer ring is provided with a circle of convex brake disc stop shoulder which is used for limiting the brake disc.
Preferably, a flat gasket is arranged between the bolt head of the bolt and the outer ring.
Preferably, the inclined plane ring comprises an outer side surface and an inner side surface, wherein the outer side surface is an arc surface, and the inner side surface is a plane; and the connection parts of the outer side surface and the first disk surface and the second disk surface are rounded.
Preferably, the inner side surface is provided with a plurality of rim spigots protruding downwards, and the lower end surface of the rim spigots protrudes out of the fourth end surface of the second disk surface.
Preferably, the hub is forged from a high strength aluminum alloy material having a yield strength greater than 276MPa.
Compared with the prior art, the invention has the following beneficial effects:
The invention discloses a light-weight high-strength hub for a commercial vehicle, which is integrally made of a high-strength aluminum alloy material, so that the weight of the hub can be effectively reduced, and the weight reduction ratio can reach 48%; the yield strength of the high-strength aluminum alloy material is 276MPa, and is between 74 percent (QT 600) and 89 percent (QT 450) of the yield strength of the ductile iron material. Through finite element analysis, consider the worst operating mode of turning on one's side, through setting up inboard quotation center department into variable cross-section circular, can make the cross-section material of wheel hub obtain better distribution, the weight is lightest on guaranteeing that the part has the basis of sufficient intensity, improves axial atress ability, has guaranteed the reliability of product.
Further, the outer side edge of the second disc surface is round or petal-shaped, so that the weight of the hub can be effectively reduced, and the weight of the hub structure is reduced.
Further, a plurality of circular bosses are arranged on the second disk surface, and a plurality of second through holes are arranged on the circular bosses along the axis of the circular bosses, so that the second disk surface can be connected with the rim; the circular bosses are arranged in an equal-dividing mode, and can uniformly transmit axial force.
Furthermore, the connection part of the round boss and the upper end face of the second disk face adopts the fillet transition, so that the local maximum stress of the hub is effectively reduced, the yield strength of the hub is lower than that of a material, and the reliability of the lightweight aluminum alloy hub is improved.
Further, the second quotation can pass through knurl bolted connection with the rim, because the wheel hub chooses for use for high strength aluminum alloy material, the surface is more smooth, and the knurl part of knurl bolt can increase frictional force, and knurl bolt adopts interference contact with wheel hub, compares with the ordinary bolt of current common structure, and the connection reliability is higher for the bolt is difficult for taking place to loosen and move back in the use.
Further, the outer ring is connected with the brake disc through the first through hole, and a brake disc shoulder is arranged on the outer side of the outer ring to limit the brake disc.
Further, the flat gasket can effectively avoid surface scratch to the aluminum alloy hub body with smooth surface when the bolt is tightened, and the connection strength of the bolt is ensured.
Furthermore, the outer side surface of the inclined surface ring is an arc surface, the inner side surface is a plane, and the connection parts of the outer side surface and the first disk surface and the second disk surface are all rounded, so that the whole lightweight high-strength aluminum alloy hub can uniformly transmit axial force when transmitting the axial force, and no stress concentration point exists; the inner side surface is designed to be a plane, so that the rim spigot is convenient to set.
Further, the inner side face of the inclined plane ring is provided with a rim spigot protruding downwards, so that the overall assembly performance of the hub is better.
Furthermore, the whole hub is forged by a single aluminum alloy material, and has the advantages of simple process, good formability and strong mechanical properties.
[ Description of the drawings ]
FIG. 1 is an assembly view of a lightweight high strength aluminum alloy hub of the present invention;
FIG. 2 is a schematic view of a lightweight high strength aluminum alloy hub according to the present invention;
FIG. 3 is a schematic view of a perspective view of a lightweight high strength aluminum alloy hub according to the present invention;
FIG. 4 is a schematic view of the other side of the perspective view of the lightweight high strength aluminum alloy hub of the present invention;
FIG. 5 is a schematic view of a knurled bolt of the present invention;
Wherein: the wheel comprises a wheel nut 1, a rim 2, a hub 3, a knurled bolt 4, a flat gasket 5, a hexagon head bolt 6, a brake disc 7, a bearing seat 8, a unit bearing 9, a brake disc shoulder 10, a rotary thin-wall surface 11, a rim spigot 12, a round boss 13 and a transition fillet 14; 15 is a first disk surface; 16 is a second disk surface; 17 is a bevel ring; 11-1 is a first cambered surface; 11-2 is a second cambered surface; 11-3 is a groove; 12-1 is a first side; 12-2 is a second side; 12-3 is a third side; 12-4 is a fourth side; 13-1 is a second through hole; 15-1 is a first end face; 15-2 is a second end face; 15-3 is an outer ring; 15-4 is a first through hole; 16-1 is a third end face; 16-2 is a fourth end face; 17-1 is the outer side; 17-2 is the inner side.
[ Detailed description ] of the invention
The invention is described in further detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 2,3 and 4, the lightweight high-strength aluminum alloy hub 3 of the present invention is schematically shown; the material of the lightweight high-strength aluminum alloy hub 3 is a high-strength aluminum alloy material, and the yield strength of the high-strength aluminum alloy material is more than 276MPa of aluminum alloy, such as an alloy of Al-Cu-Mg and Al-Zn-Mg-Cu;
As shown in fig. 2, the first disk surface 15 is set to be on the upper side, the second disk surface 16 is set to be on the lower side, one circle of the outer periphery of the first disk surface 15 is set to be on the outer side, and one circle of the inner periphery is set to be on the inner side.
The lightweight high-strength aluminum alloy hub is a rotary part and comprises a first disk surface 15 and a second disk surface 16, and an inclined surface ring 17 is arranged between the first disk surface 15 and the second disk surface 16; the first disc surface 15, the second disc surface 16 and the inclined surface ring 17 are all the same axis, the diameter of the first disc surface 15 is smaller than that of the second disc surface 16, and the first disc surface 15 and the second disc surface 16 are connected through the inclined surface ring 17; one side of the first disc surface 15 is a first end surface 15-1, the other side is a second end surface 15-2, the first end surface 15-1 faces outwards, and the second end surface 15-2 faces inwards; one side of the second disk surface 16 is a third end surface 16-1, the other side is a fourth end surface 16-2, the third end surface 16-1 faces outwards, and the fourth end surface 16-2 faces inwards; the inclined plane ring 17 is a circular ring, and comprises an outer side face 17-1 and an inner side face 17-2, wherein two ends of the outer side face 17-1 are respectively connected with the first end face 15-1 and the third end face 16-1, two ends of the inner side face 17-2 are respectively connected with the second end face 15-2 and the fourth end face 16-2, the outer side face 17-1 is a cambered surface, the plane of the inner side face 17-2 is the cambered surface, and when the outer side face 17-1, the first end face 15-1 and the third end face 16-1 are connected, the connection positions are rounded, so that the whole lightweight high-strength aluminum alloy hub can be uniformly transmitted when axial force is transmitted, and no stress concentration point exists; the inner side 17-2 can be configured to be planar to facilitate the configuration of the rim spigot 12 as described below; the outer side edge of the second disk surface 16 is round or petal-shaped, and the structure can effectively reduce the weight of the hub and realize the weight reduction of the hub structure.
The first disc surface 15 comprises an annular outer ring 15-3 and a rotary thin-wall surface 11 inside the outer ring 15-3, the first end surface 15-1 is the first end surface 15-1 of the outer ring 15-3, and the second end surface 15-2 is the second end surface 15-2 of the outer ring 15-3; the outer side of the first end face 15-1 is connected with the outer side face 17-1, the inner side is connected with the rotary thin-wall face 11, the outer ring 15-3 is coaxial with the rotary thin-wall face 11, the rotary thin-wall face 11 is in a circular arc shape, the cross section perpendicular to the axial plane of the rotary thin-wall face is circular, and the cross section passing through the axial plane of the rotary thin-wall face is an arc line with a certain thickness, so that the circular cross section area of the plane perpendicular to the axial direction of the rotary thin-wall face is continuously changed along the axial direction of the first disc face 15, the cross section material of the hub can be better distributed by adopting a variable cross section structure, the weight is the lightest on the basis that the part has enough strength, and the stress in the axial direction is larger; the rotary thin-wall surface 11 comprises a first cambered surface 11-1 and a second cambered surface 11-2, the first cambered surface 11-1 is connected with the first end surface 15-1, the second cambered surface 11-2 is connected with the second end surface 15-2, the second cambered surface 11-2 exceeds the second end surface 15-2 of the outer ring 15-3, and a circle of grooves 11-3 are formed in the joint of the second cambered surface 11-2 and the second end surface 15-2, so that the joint can be smoothly transited; the outer ring 15-3 is provided with a plurality of first through holes 15-4 along the circumferential direction thereof, the circumferential distances between all the first through holes 15-4 are equal, and the axis of the first through holes 15-4 is parallel to the axis of the first disc surface 15. The outside of first terminal surface 15-1 is provided with a convex brake disc shoulder 10 on the circle, the lateral surface of brake disc shoulder 10 and the lateral surface parallel and level of outer first terminal surface 15-1, the width of brake disc shoulder 10 is less than the diameter of outer ring 15-3 far away, and brake disc shoulder 10 is used for spacing brake disc 7.
The second disk surface 16 is provided with a plurality of circular bosses 13 along the circumferential direction thereof, and the axis of the circular bosses 13 is parallel to the axis of the second disk surface 16; the circular boss 13 is provided with a second through hole 13-1 along the axis thereof at the center, the circular boss 13 protrudes out of the third end face 16-1 of the second disk face 16, the connection between the outer side of the circular boss 13 and the second disk face 16 adopts a fillet transition, and the transition fillet 14 can reduce the stress concentration at the position and effectively reduce the risk of fracture of the product; the bottom surface of the second through hole 13-1 is flush with the fourth end surface 16-2;
The inner side surface 17-2 of the bevel ring 17 protrudes downwards to form a plurality of rim spigots 12, all the rim spigots 12 are equally distributed along the circumferential direction of the bevel ring 17, and the rim spigots 12 comprise a first side surface 12-1, a second side surface 12-2, a third side surface 12-3, a fourth side surface 12-4 and a bottom surface 12-5; the first side surface 12-1, the second side surface 12-2, the third side surface 12-3 and the fourth side surface 12-4 are connected end to end in sequence, the bottoms of the four side surfaces are fixedly connected with the bottom surface 12-5, the bottoms of the four side surfaces are protruded out of the fourth end surface 16-2, and the bottom surface 12-5 of the rim spigot 12 is arranged below the fourth end surface 16-2; the upper half part of the first side surface 12-1 is the inner side surface 17-2 at the joint of the bevel ring 17 and the rim spigot 12, the lower half part is a plane surface and protrudes out of the fourth end surface 16-2; the connection parts of the second side surface 12-2, the third side surface 12-3, the fourth side surface 12-4 and the inner side surface 17-2 are all in chamfer design, so that right angle transition is reduced, the stress performance is improved, and the assembly manufacturability of parts is better due to the rim spigot 12.
The hub 3 is made of high-strength aluminum alloy material and is forged by the high-strength aluminum alloy material, namely the first disc surface 15, the second disc surface 16, the bevel ring 17, the circular boss 13 and the rim spigot 12 are all made of the high-strength aluminum alloy material.
Referring to fig. 1, the hub 3, the brake disc 7 and the bearing seat 8 are all in the hub 3, the rim 2 in the tire and the second disc surface 16 of the hub 3 are connected through a plurality of wheel nuts 1 and knurled bolts 4, the wheel nuts 1 and the knurled bolts 4 are matched for use, and the knurled bolts 4 are inserted into the circular bosses 13; the first disc surface 15 of the hub 3 is connected with the brake disc 7 through the bolts 6, the bolts 6 are inserted into the first through holes 15-4, flat gaskets 5 are arranged at the contact positions of the second end surfaces 15-2 and the bolt heads of the bolts 6, and the flat gaskets 5 can effectively avoid surface scratches on the aluminum alloy hub body which is softer in material when the bolts are tightened; the bolts 6 are inserted through the brake disc 7 into the bearing housing 8, the bearing housing 8 is provided in the brake disc 7, and the inside of the bearing housing 8 is provided with a unit bearing 9.
Referring to fig. 1 and 5, when the hub 3 is assembled to the automobile tire, the second disc surface 16 is fixedly connected with the wheel nut 1 through the knurled bolt 4, the knurled bolt 4 is inserted into the circular boss 13 and is in interference fit connection with the second through hole 13-1, namely, the knurled bolt 4 and the hub 3 are in interference fit connection; because the wheel hub is made of high-strength aluminum alloy materials, the weight is lighter, the surface is smoother, and therefore, the friction force can be increased by adopting the knurled part of the knurled bolt 4, compared with the common bolt with the existing common structure, the connection reliability is higher, and the bolt is not easy to loose and withdraw in the use process.
The lightweight high-strength aluminum alloy wheel hub is fixedly connected with the bearing seat and the brake disc through the bolt and gasket structure, so that the bolt connection strength is guaranteed, the wheel nut 1 and the wheel rim are fixedly connected through the knurled bolt, the knurled bolt and the aluminum alloy wheel hub are in interference fit, and the connection reliability of the bolt is guaranteed. Through finite element analysis, the worst side-turning working condition is considered, and the thicknesses of the first disc surface 15, the second disc surface 16 and the inclined surface ring 17 are properly increased, so that the local maximum stress of the hub is effectively reduced, the yield strength of the hub is lower than that of a material, and the reliability of the lightweight aluminum alloy hub is improved. The high-strength aluminum alloy hub body is a rotary part, and the disc surface is disc-shaped or petal-shaped. The high-strength aluminum alloy hub adopts a boss structure at the joint of the knurled bolts, adopts a fillet transition at the root of the mounting surface of the hub bolt, adopts a variable cross-section structure at the rotation axis, and ensures the reliability of the product. Meanwhile, the aluminum alloy hub is provided with a spigot structure at the rim mounting position, and the assembly process is excellent.
The lightweight high-strength hub for the commercial vehicle optimizes the structure through finite element analysis, has the advantages of light weight, high strength and good manufacturability, and is suitable for all commercial vehicle axle hub products with disc brake systems.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A lightweight high-strength hub for a commercial vehicle, characterized in that the hub (3) comprises a first disc face (15) and a second disc face (16), the diameter of the first disc face (15) being smaller than the second disc face (16); the first disc surface (15) is connected with the second disc surface (16) through an inclined surface ring (17), and the first disc surface (15), the second disc surface (16) and the inclined surface ring (17) are all coaxial;
The first disk surface (15) comprises an annular outer ring (15-3) and a rotary thin-wall surface (11) in the outer ring (15-3), and the outer ring (15-3) and the rotary thin-wall surface (11) are coaxial; the rotary thin-wall surface (11) is in a circular arc shape, and the circular cross-sectional area of the rotary thin-wall surface (11) perpendicular to the axial direction of the rotary thin-wall surface (11) gradually increases along the axial direction of the rotary thin-wall surface (11) from the second cambered surface (11-2) of the rotary thin-wall surface (11) to the first cambered surface (11-1) of the rotary thin-wall surface (11);
The outer side edge of the second disc surface (16) is round or petal-shaped;
The upper end surface of the second disk surface (16) is provided with a plurality of circular bosses (13) along the axial direction, and the axis of each circular boss (13) is parallel to the axis of the second disk surface (16); the adjacent circular bosses (13) are equal in circumferential distance along the second disc surface (16);
Each circular boss (13) is provided with a second through hole (13-1) along the axis thereof at the center thereof.
2. A lightweight high strength hub for a commercial vehicle according to claim 1, characterized in that the junction of the outer side of the circular boss (13) and the upper end face of the second disc face (16) is a transition fillet (14).
3. A lightweight high strength hub for a commercial vehicle according to claim 1, characterized in that each second through hole (13-1) is penetrated by a knurled bolt (4), the knurled bolts (4) and the second through holes (13-1) are interference fit, and the second disc surface (16) is connected with the rim (2) by the knurled bolts (4).
4. The lightweight high-strength hub for a commercial vehicle according to claim 1, wherein the outer ring (15-3) is provided with a plurality of first through holes (15-4) along the circumferential direction thereof, and the distances between adjacent first through holes (15-4) along the circumferential direction of the outer ring (15-3) are equal; the first through hole (15-4) is penetrated by a bolt (6), and the outer ring (15-3) is connected with a brake disc (7) through the bolt (6);
The outer side of the upper end surface of the outer ring (15-3) is provided with a circle of convex brake disc retaining shoulders (10), and the brake disc retaining shoulders (10) are used for limiting the brake disc (7).
5. A lightweight high strength hub for a commercial vehicle according to claim 4, characterized in that a flat washer (5) is provided between the bolt head of the bolt (6) and the outer ring (15-3).
6. A lightweight high strength hub for a commercial vehicle according to claim 1, characterized in that the bevel ring (17) comprises an outer side (17-1) and an inner side (17-2), the outer side (17-1) being a cambered surface and the inner side (17-2) being a plane; the connection parts of the outer side surface (17-1) and the first disk surface (15) and the second disk surface (16) are rounded.
7. A lightweight high strength wheel hub for a commercial vehicle according to claim 6, characterized in that said inner side (17-2) is provided with a plurality of rim spigots (12) protruding downward, the lower end surface of the rim spigots (12) protruding from the fourth end surface (16-2) of the second disc surface (16).
8. The lightweight high strength hub for a commercial vehicle according to any of the claims 1-7, characterized in that the hub (3) is forged from a high strength aluminium alloy material with a yield strength of more than 276MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532470.5A CN110217046B (en) | 2019-06-19 | 2019-06-19 | A lightweight high strength wheel hub for commercial car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532470.5A CN110217046B (en) | 2019-06-19 | 2019-06-19 | A lightweight high strength wheel hub for commercial car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110217046A CN110217046A (en) | 2019-09-10 |
| CN110217046B true CN110217046B (en) | 2024-07-26 |
Family
ID=67817845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910532470.5A Active CN110217046B (en) | 2019-06-19 | 2019-06-19 | A lightweight high strength wheel hub for commercial car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110217046B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274710A (en) * | 2020-09-27 | 2022-04-05 | 陕西汉德车桥有限公司 | Aluminum alloy hub for drive axle of commercial vehicle |
| CN113829799B (en) * | 2021-09-29 | 2023-06-16 | 保定市立中车轮制造有限公司 | Commercial vehicle aluminum hub |
| CN118328096B (en) * | 2024-06-15 | 2024-08-23 | 山东浩信股份有限公司 | Brake disc assembly and wheel end assembly thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210082815U (en) * | 2019-06-19 | 2020-02-18 | 陕西汉德车桥有限公司 | A lightweight high strength wheel hub for commercial car |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008100632A (en) * | 2006-10-20 | 2008-05-01 | Ntn Corp | Bearing device for wheel |
| CN201342909Y (en) * | 2009-01-11 | 2009-11-11 | 河南省汤阴县华兴机械制造有限公司 | Automotive hub casting |
| JP3165611U (en) * | 2010-11-12 | 2011-01-27 | 奇▲こう▼科技股▲ふん▼有限公司 | Equilibrium structure of an annular axial fan |
| JP5892375B2 (en) * | 2011-06-30 | 2016-03-23 | 日本電産株式会社 | Hydrodynamic bearing device and fan |
| JP2013032835A (en) * | 2011-06-30 | 2013-02-14 | Nippon Densan Corp | Fan |
-
2019
- 2019-06-19 CN CN201910532470.5A patent/CN110217046B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210082815U (en) * | 2019-06-19 | 2020-02-18 | 陕西汉德车桥有限公司 | A lightweight high strength wheel hub for commercial car |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110217046A (en) | 2019-09-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110217046B (en) | A lightweight high strength wheel hub for commercial car | |
| US8287052B2 (en) | Wheel hub having improved stress distribution | |
| CN103950350B (en) | A kind of lightweight assembly type wheel | |
| CN210082815U (en) | A lightweight high strength wheel hub for commercial car | |
| CN201520333U (en) | Large speed ratio non-driven steering front shaft | |
| CN203844524U (en) | Lightweight magnesium aluminium alloy assembly type wheel | |
| CN212386239U (en) | Aluminum alloy hub for drive axle of commercial vehicle | |
| CN220809017U (en) | Driving axle hub, hub unit assembly and driving axle | |
| CN201300658Y (en) | Steel passenger car wheel | |
| CN104669929A (en) | Improved split wheel | |
| CN111942078A (en) | Commercial car side drawing die technology lightweight wheel hub | |
| CN108087464B (en) | Pin shaft type hub brake disc assembly with brake disc heat dissipation function for commercial vehicle | |
| CN214083698U (en) | Integral type wheel hub | |
| CN211901417U (en) | Compound lightweight piston structure in air suspension system | |
| CN209920950U (en) | Axle housing assembly of commercial car spindle nose and axle housing body butt welding structure | |
| CN210423513U (en) | Separated ceramic brake disc of disc brake | |
| CN204674290U (en) | A kind of separate vehicle wheel of improvement | |
| CN112406416B (en) | Reinforced automobile hub | |
| CN112124069A (en) | Intermediate support aluminum alloy transmission shaft for medium and heavy commercial vehicle | |
| CN218021048U (en) | Embedding structure of light-weight composite hub cylinder sleeve of commercial vehicle | |
| CN220576962U (en) | Reinforced automobile hub | |
| CN220031611U (en) | Unequal-thickness plane mounting tooling Cheng Kuang rim for vehicle | |
| CN216805012U (en) | Aluminum alloy wheel with multiple modeling windows | |
| CN222522382U (en) | Hub of puncture-proof tyre | |
| CN222538590U (en) | Lightweight forges aluminum alloy wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |