CN109747332B - Design method of spoke bottom of spoke with high durability - Google Patents
Design method of spoke bottom of spoke with high durability Download PDFInfo
- Publication number
- CN109747332B CN109747332B CN201811543905.8A CN201811543905A CN109747332B CN 109747332 B CN109747332 B CN 109747332B CN 201811543905 A CN201811543905 A CN 201811543905A CN 109747332 B CN109747332 B CN 109747332B
- Authority
- CN
- China
- Prior art keywords
- mounting surface
- spoke
- outer mounting
- height difference
- fan
- 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
Images
Classifications
-
- 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
- Tires In General (AREA)
Abstract
The invention relates to the technical field of automobile and mechanical engineering, in particular to a design method of a spoke and spoke bottom with high durability. According to the invention, through a unique design method for the spoke bottom of the spoke, the durability of the spoke bottom can be greatly improved, so that failure points can not appear at the spoke bottom of the spoke like the existing design method, the design bottleneck is avoided, and the aim of light weight is further achieved through the optimization of a revolving body curve.
Description
Technical Field
The invention relates to the technical field of automobile and mechanical engineering, in particular to a design method of a spoke and spoke bottom with high durability.
Background
The wheel is a key part of an automobile, the endurance performance of the wheel directly influences the fatigue life of the wheel and the safety performance of the whole automobile, the spoke mainly comprises a spoke bottom non-revolving body structure and a revolving body structure 2 part outside the spoke bottom, the spoke bottom of the existing steel wheel spoke on the market basically has 3-5 inherent structural forms, when product developers design products, the spoke bottom generally directly adopts one of the 3 inherent structural forms, the structural optimization design is carried out only aiming at the revolving body structure to carry out parameter optimization, an optimal revolving curve structure is found out, on the premise of meeting the product fatigue performance, the light weight purpose is achieved by reducing the spoke material thickness, but for a plurality of common spoke bottom structural forms, the material thickness is reduced, although the endurance of the revolving body structure outside the spoke bottom can be ensured, but the endurance of the spoke bottom non-revolving body structure can not be met, the spoke bottom can fail first, the spoke bottom durability becomes the bottleneck of light weight of the whole spoke, and how to design a spoke bottom structure with high durability, failure points are enabled to avoid the spoke bottom, an optimal state is obtained by optimizing a revolving body structure curve outside the spoke bottom, and the purpose of light weight of the spoke is achieved by reducing the material thickness to the greatest extent, which is a technical difficulty that design engineers always pay attention to. The existing spoke bottom outer mounting surface is designed horizontally, but after the pretightening force of the loading bolt is actually applied, the spoke bottom of the spoke can deform to a certain degree, so that the outer mounting surface cannot be completely attached to the loading disc, the contact area is reduced, and the rigidity and the durability of the spoke bottom of the spoke can be reduced.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provide a design method of a spoke bottom with high durability.
In order to achieve the above purpose, the technical solution of the invention is as follows:
a design method of a spoke bottom of a spoke with high durability is characterized by comprising the following steps:
1) the spoke bottom of the spoke is composed of three sections of annular planes, namely an outer mounting surface a, an inner mounting surface b and a middle surface c, the widths of the three sections of planes a, b and c are respectively 2-6mm, 20-35mm and 2-6mm, the adjacent planes are in right-angle step transition, a height difference exists between the 3 sections of planes, the height difference between the outer mounting surface a and the inner mounting surface b is 0.3-0.9mm, the height difference between the outer mounting surface a and the middle surface c is 0.1-0.4mm, and the spoke is designed to be of equal material thickness;
2) five identical rectangular grooves which are uniformly distributed along the circumferential direction are designed on the outer mounting surface a, the height difference between the bottom surface of each rectangular groove and the outer mounting surface a is 0.2-0.8mm, the groove width is 15-30mm, and the outer mounting surface a is changed into five sections from one whole circle after grooving;
3) five fan-shaped grooves which are uniformly distributed along the axial direction are formed in the inner mounting surface b, the depth of each fan-shaped groove is 0.1-0.6mm, the bottom surfaces of the fan-shaped grooves and the middle surface c are coplanar, the included angle of each fan-shaped groove is 38-50 degrees, and the inner mounting surface b is changed into five sections from one whole circle after slotting;
4) designing a bolt hole tail rib by taking the bottom surface of the rectangular groove as a reference, wherein the width of the bolt hole tail rib is 15-30mm, the height difference between the lowest position of the bolt hole tail rib and the bottom surface of the rectangular groove is 0.2-0.9mm, five bolt hole convex hulls connected with the bolt hole tail rib are disconnected from the outer mounting surface a, and a bolt fillet is not connected with the outer mounting surface a;
5) five independent ribs which are uniformly distributed along the circumferential direction are designed on the middle surface c, the independent ribs cannot be connected with the inner mounting surface b and the outer mounting surface a, the positions of the independent ribs are as close as possible to the distribution circle of the bolt holes, and the heights of the independent ribs are controlled to be between 5 and 7 mm;
6) the middle of the outer mounting surface a of each section of spoke is used as a reference, an axial swing angle is adopted, the height difference in the circumferential direction is designed, the angle difference is 1-1.5 degrees, the drop in the circumferential direction is 0.1-0.3mm, after the wheel is subjected to the pretightening force of a bolt, the inner mounting surface b and the outer mounting surface a can be completely pressed on a mounting disc, and the rubbing of the mounting surface is consistent with the design shape.
In the step 1), the widths of three sections and planes of the outer mounting surface a, the inner mounting surface b and the middle surface c are respectively 4mm, 29mm and 4 mm.
In the step 2), the height difference between the bottom surface of each rectangular groove and the outer mounting surface a is 0.5mm, and the groove width is 25 mm.
And in the step 3), the depth of the fan-shaped groove is 0.4mm, the bottom surface of the fan-shaped groove is coplanar with the middle surface c, and the included angle of the fan-shaped groove is 42.6 degrees.
And 4), the width of the tail rib of the bolt hole is 20mm, and the height difference between the lowest part of the tail rib of the bolt hole and the bottom surface of the rectangular groove is 0.5 mm.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through a unique design method for the spoke bottom of the spoke, the durability of the spoke bottom can be greatly improved, so that failure points can not appear at the spoke bottom of the spoke like the existing design method, the design bottleneck is avoided, and the aim of light weight is further achieved through the optimization of a revolving body curve.
Drawings
FIG. 1 is a schematic plan view of a three-segment toroid of a spoke base;
FIG. 2 is a schematic side view of a three-segment toroid of a spoke base;
FIG. 3 is a schematic view of rectangular grooves on the outer mounting surface and evenly distributed circumferentially;
FIG. 4 is a schematic view of the sector-shaped grooves on the inner mounting surface and evenly distributed in the circumferential direction;
FIG. 5 is a schematic view of a bolt hole tail rib design;
FIG. 6 is a schematic view of the bolt hole broken away from the mounting face;
fig. 7 is a schematic view of 5 independent ribs uniformly distributed in the circumferential direction on the middle surface c;
FIG. 8 is a schematic view of the outer mounting surface axial swing angle design;
FIG. 9 is a schematic view of the outer mounting surface circumferential band height differential design;
FIG. 10 is a view of the mounting surface rubbing before the swing angle design;
fig. 11 is a view of the mounting surface rubbing after the swing angle design.
The mounting structure comprises an outer mounting surface a1, an inner mounting surface b2, a middle surface c3, a rectangular groove 4, a fan-shaped groove 6, a bolt hole tail rib 7, a bolt hole convex hull 8 and an independent rib 9.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings and the embodiments.
A design method of a spoke bottom of a spoke with high durability is characterized by comprising the following steps:
1) referring to fig. 1-2, the spoke bottom of the spoke is composed of three sections of annular planes, namely an outer mounting surface a1, an inner mounting surface b2 and a middle surface c3, the widths of the three sections of planes, namely a, a and b, and c are respectively 2-6mm, 20-35mm and 2-6mm, the adjacent planes are in right-angle step transition, a height difference exists between the 3 sections of planes, the height difference between the outer mounting surface a1 and the inner mounting surface b2 is 0.3-0.9mm, the height difference between the outer mounting surface a1 and the middle surface c3 is 0.1-0.4mm, and the spoke is designed to be of equal material thickness;
2) referring to fig. 3, five identical rectangular grooves 4 which are uniformly distributed along the circumferential direction are designed on the outer mounting surface a1, the height difference between the bottom surface of each rectangular groove and the outer mounting surface a1 is 0.2-0.8mm, the groove width is 15-30mm, and the outer mounting surface a1 is changed into five sections from one whole circle after being grooved;
3) referring to fig. 4, five fan-shaped grooves 6 are uniformly distributed along the axial direction on the inner mounting surface b2, the depth of each fan-shaped groove 6 is 0.1-0.6mm, the bottom surfaces of the fan-shaped grooves 6 are coplanar with the middle surface c, the included angle of each fan-shaped groove 6 is 38-50 degrees, and the inner mounting surface b2 is changed into five sections from one whole circle after slotting;
4) referring to fig. 5-6, the bolt hole tail rib 7 is designed by taking the bottom surface of the rectangular groove as a reference, the width of the bolt hole tail rib 7 is 15-30mm, the height difference between the lowest position of the bolt hole tail rib 7 and the bottom surface of the rectangular groove is 0.2-0.9mm, five bolt hole convex hulls 8 connected with the bolt hole tail rib 7 are in a disconnected design with an outer mounting surface a1, and a bolt fillet is not connected with an outer mounting surface a 1;
5) referring to fig. 7, five independent ribs 9 uniformly distributed along the circumferential direction are designed on the middle surface c3, the independent ribs 9 cannot be connected with the inner mounting surface b2 and the outer mounting surface a1, the positions are located as close as possible to the distribution circle of the bolt holes, and the height of the independent ribs 9 is controlled to be 5-7 mm;
6) referring to fig. 8-9, the middle of the outer mounting surface a1 of each section of spoke is taken as a reference, an axial swing angle is adopted, the height difference in the circumferential direction is designed, the angle difference is 1-1.5 degrees, the drop in the circumferential direction is 0.1-0.3mm, after the wheel is subjected to bolt pretightening force, the inner mounting surface b2 and the outer mounting surface a1 can be completely pressed on the mounting disc, the rubbing of the mounting surfaces is consistent with the design shape, and referring to fig. 10-11.
In the step 1), the planar widths of the three sections of the outer mounting surface a1, the inner mounting surface b2 and the middle surface c3 are preferably 4mm, 29mm and 4mm respectively.
The height difference between the bottom surface of each rectangular groove in the step 2) and the outer mounting surface a1 is preferably 0.5mm, and the groove width is preferably 25 mm.
The depth of the fan-shaped groove (6) in the step 3) is preferably 0.4mm, the bottom surface of the fan-shaped groove (6) is coplanar with the middle surface c, and the included angle of the fan-shaped groove (6) is preferably 42.6 degrees.
And 4), the width of the bolt hole tail rib 7 in the step 4) is preferably 20mm, and the height difference between the lowest part of the bolt hole tail rib 7 and the bottom surface of the rectangular groove is preferably 0.5 mm.
Claims (5)
1. A design method of a spoke bottom of a spoke with high durability is characterized by comprising the following steps:
1) the spoke bottom of the spoke is composed of three annular planes, namely an outer mounting surface a (1), an inner mounting surface b (2) and a middle surface c (3), the widths of the three annular planes of the a, b and c are respectively 2-6mm, 20-35mm and 2-6mm, right-angle step transition is adopted between adjacent planes, a height difference exists between the three annular planes, the height difference between the outer mounting surface a (1) and the inner mounting surface b (2) is 0.3-0.9mm, the height difference between the outer mounting surface a (1) and the middle surface c (3) is 0.1-0.4mm, and the spoke is designed to be of equal material thickness;
2) five identical rectangular grooves (4) which are uniformly distributed along the circumferential direction are designed on the outer mounting surface a (1), the height difference between the bottom surface of each rectangular groove (4) and the outer mounting surface a (1) is 0.2-0.8mm, the groove width is 15-30mm, and the outer mounting surface a (1) is changed into five sections from one whole circle after the groove is formed;
3) five fan-shaped grooves (6) which are uniformly distributed along the axial direction are formed in the inner mounting surface b (2), the depth of each fan-shaped groove (6) is 0.1-0.6mm, the bottom surfaces of the fan-shaped grooves (6) and the middle surface c (3) are coplanar, the included angle of each fan-shaped groove (6) is 38-50 degrees, and the inner mounting surface b (2) is changed into five sections from one whole circle after slotting;
4) designing a bolt hole tail rib (7) by taking the bottom surface of the rectangular groove (4) as a reference, wherein the width of the bolt hole tail rib (7) is 15-30mm, the height difference between the lowest part of the bolt hole tail rib (7) and the bottom surface of the rectangular groove (4) is 0.2-0.9mm, five bolt hole convex hulls (8) connected with the bolt hole tail rib (7) are in a disconnected design with the outer mounting surface a (1), and bolt round corners are not connected with the outer mounting surface a (1);
5) five independent ribs (9) which are uniformly distributed along the circumferential direction are designed on the middle surface c (3), the independent ribs (9) cannot be connected with the inner mounting surface b (2) and the outer mounting surface a (1), the positions of the independent ribs are near the distribution circle of the bolt holes, and the height of the independent ribs (9) is controlled to be between 5 and 7 mm;
6) the middle of each section of spoke outer mounting surface a (1) is used as a reference, an axial swing angle is adopted, the height difference design is carried out in the circumferential direction, the angle difference is 1-1.5 degrees, the fall in the circumferential direction is 0.1-0.3mm, after the wheel is subjected to the bolt pretightening force, the inner mounting surface b (2) and the outer mounting surface a (1) can be completely pressed on a mounting disc, and the mounting surface rubbing is consistent with the design shape.
2. The method for designing a high durability spoke bottom according to claim 1, wherein: in the step 1), the widths of three sections and planes of the outer mounting surface a (1), the inner mounting surface b (2) and the middle surface c (3) are respectively 4mm, 29mm and 4 mm.
3. The method for designing a high durability spoke bottom according to claim 1, wherein: in the step 2), the height difference between the bottom surface of each rectangular groove (4) and the outer mounting surface a (1) is 0.5mm, and the groove width is 25 mm.
4. The method for designing a high durability spoke bottom according to claim 1, wherein: and in the step 3), the depth of the fan-shaped groove (6) is 0.4mm, the bottom surface of the fan-shaped groove (6) is coplanar with the middle surface c (3), and the included angle of the fan-shaped groove (6) is 42.6 degrees.
5. The method for designing a high durability spoke bottom according to claim 1, wherein: and 4), the width of the bolt hole tail rib (7) in the step 4) is 20mm, and the height difference between the lowest part of the bolt hole tail rib (7) and the bottom surface of the rectangular groove (4) is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543905.8A CN109747332B (en) | 2018-12-17 | 2018-12-17 | Design method of spoke bottom of spoke with high durability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543905.8A CN109747332B (en) | 2018-12-17 | 2018-12-17 | Design method of spoke bottom of spoke with high durability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109747332A CN109747332A (en) | 2019-05-14 |
| CN109747332B true CN109747332B (en) | 2022-05-31 |
Family
ID=66403783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543905.8A Active CN109747332B (en) | 2018-12-17 | 2018-12-17 | Design method of spoke bottom of spoke with high durability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109747332B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111959186A (en) * | 2020-07-10 | 2020-11-20 | 东风汽车车轮随州有限公司 | High-rigidity profiled steel wheel spoke structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030047987A1 (en) * | 2001-09-13 | 2003-03-13 | Tsutomu Enomoto | Garnish light alloy wheel |
| JP2010241413A (en) * | 2009-03-17 | 2010-10-28 | Topy Ind Ltd | Wheel for automobile |
| CN203254880U (en) * | 2013-04-27 | 2013-10-30 | 浙江金固股份有限公司 | Kneeling connection type and spoke reinforced type half-surface wheel |
| CN203438748U (en) * | 2013-05-23 | 2014-02-19 | 嘉兴恒冠汽车部件有限公司 | A wheel assembly with reinforcing ribs |
| CN203739533U (en) * | 2014-02-17 | 2014-07-30 | 浙江风驰机械有限公司 | Point contact type high-strength hub |
| CN106915201A (en) * | 2017-02-21 | 2017-07-04 | 浙江金固股份有限公司 | A kind of half surface wheel |
| CN107052720A (en) * | 2017-04-12 | 2017-08-18 | 浙江金固股份有限公司 | A kind of manufacture method of steel wheel and its wheel being molded using this method |
-
2018
- 2018-12-17 CN CN201811543905.8A patent/CN109747332B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030047987A1 (en) * | 2001-09-13 | 2003-03-13 | Tsutomu Enomoto | Garnish light alloy wheel |
| JP2010241413A (en) * | 2009-03-17 | 2010-10-28 | Topy Ind Ltd | Wheel for automobile |
| CN102356003A (en) * | 2009-03-17 | 2012-02-15 | 都美工业株式会社 | Wheel for automobile |
| CN203254880U (en) * | 2013-04-27 | 2013-10-30 | 浙江金固股份有限公司 | Kneeling connection type and spoke reinforced type half-surface wheel |
| CN203438748U (en) * | 2013-05-23 | 2014-02-19 | 嘉兴恒冠汽车部件有限公司 | A wheel assembly with reinforcing ribs |
| CN203739533U (en) * | 2014-02-17 | 2014-07-30 | 浙江风驰机械有限公司 | Point contact type high-strength hub |
| CN106915201A (en) * | 2017-02-21 | 2017-07-04 | 浙江金固股份有限公司 | A kind of half surface wheel |
| CN107052720A (en) * | 2017-04-12 | 2017-08-18 | 浙江金固股份有限公司 | A kind of manufacture method of steel wheel and its wheel being molded using this method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109747332A (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109747332B (en) | Design method of spoke bottom of spoke with high durability | |
| US4456308A (en) | Wheel and brake-drum configuration for vehicles | |
| JP2010540314A (en) | Tire tread with notched rubber block | |
| CN103442905A (en) | Improvements in bicycle wheels | |
| CN102343765A (en) | Truck rear wheel aluminum alloy spinning hub and manufacturing method thereof | |
| JP3213807U (en) | Air-filled bicycle tire with holes | |
| CN202045946U (en) | Composite membrane of slurry pump | |
| CN203308525U (en) | Fir tree-shaped tenon structure | |
| CN108869473B (en) | Textured interference joint face group design method | |
| ITTO20120137A1 (en) | PROCEDURE FOR MANUFACTURING A DISC OF A WHEEL FOR VEHICLES | |
| CN203557911U (en) | Impact resistant two-piece type hub | |
| CN105150755A (en) | Weight reduction type wheel arm structure of asymmetrical high-vent wheel | |
| CN210821645U (en) | Wheel of vehicle | |
| CN209869937U (en) | Wheel spoke | |
| CN206297345U (en) | A kind of spoke architecture of wheel | |
| CN215944197U (en) | Commercial car aluminum wheel hub | |
| CN217705353U (en) | Rim and wheel adapted to safety tire | |
| CN113829799B (en) | Commercial vehicle aluminum hub | |
| CN206297344U (en) | A kind of wheel spoke of thickening | |
| CN215334301U (en) | Multi-tooth belt pulley for assembling with connecting shaft | |
| CN206297346U (en) | A kind of wheel spoke | |
| CN217296890U (en) | Roller cage shoe with anti-falling layer structure | |
| CN204025608U (en) | A kind of novel on-vehicle motor pulley | |
| CN211995018U (en) | Tire and cover tire thereof | |
| CN217918174U (en) | Guide 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 |