CN103465960A - Lightweight steering knuckle - Google Patents
Lightweight steering knuckle Download PDFInfo
- Publication number
- CN103465960A CN103465960A CN2013104334647A CN201310433464A CN103465960A CN 103465960 A CN103465960 A CN 103465960A CN 2013104334647 A CN2013104334647 A CN 2013104334647A CN 201310433464 A CN201310433464 A CN 201310433464A CN 103465960 A CN103465960 A CN 103465960A
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- CN
- China
- Prior art keywords
- steering swivel
- skeleton
- lightweight
- wheel shaft
- panel
- 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.)
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- 239000000725 suspension Substances 0.000 claims abstract description 13
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000703 anti-shock Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a lightweight steering knuckle. The lightweight steering knuckle comprises a steering knuckle skeleton suitable for connecting a suspension system, a wheel axle and a brake ear arranged on the steering knuckle skeleton; the steering knuckle skeleton is a panel of which the surface is hollowed with patterns; the wheel axle is perpendicular to the panel, namely in the lightweight steering knuckle, the steering knuckle skeleton is not manufactured in a solid any longer, but is manufactured into the panel of which the surface is hollowed. The strength of the steering knuckle is guaranteed; meanwhile, the lightweight steering knuckle has the characteristics light weight and easiness in machining, and can meet the requirement on lightweight in the field of race vehicles.
Description
Technical field
The present invention relates to a kind of steering swivel applied on automobile, relate in particular to a kind of lightweight steering swivel that is suitable for racing car.
Background technology
Steering swivel is one of vital parts on steering axle of automobile, can make vehicle steadily travel and sensitive transmission travel direction, and the function of steering swivel is to bear automotive front load, supports and drives front-wheel and make motor turning around the stub rotation.Under motoring condition, it is bearing changeable impact load, is one of key components and parts on automobile, has very high requirement of strength.Therefore, people have carried out a large amount of research to steering swivel, just formed society get on the car in panoramic slewing journal structure, constantly promote the performance of automobile.Generally, steering swivel can adopt the mode of quenching to be optimized it, it is not easy to operate that yet surface hardening is processed, and the performance of laser quenching hardened layer can not effectively be guaranteed, the bad control of steering swivel case depth, case depth increases, strength at repeated alternation increases, but hardened-depth to spend top layer when dark be compression effort, thereby case depth is excessive, strength at repeated alternation descends on the contrary, and workpiece fragility is increased.The shallow out of reach of case depth effect, this has just produced tremendous influence to the performance of steering swivel, especially more huge on the passive axostylus axostyle impact of automotive wheels.
In order to address the above problem, Chinese patent literature CN103057590A discloses a kind of high-strength automobile steering knuckle, comprises terminal pad, described terminal pad one side is provided with axostylus axostyle, opposite side is provided with two fork ears, on described fork ear, is respectively equipped with pin-and-hole, and described axostylus axostyle surface is provided with the carburizing strengthening layer.By the axostylus axostyle surface at steering swivel, the carburizing strengthening layer is set at the described high strength steering swivel of above-mentioned patent documentation, makes steering swivel become hardness high, wear resisting property is good, and strength at repeated alternation is high, the high strength steering swivel that anti-shock loading is large.
But the described high strength steering swivel of above-mentioned patent documentation has the following disadvantages: this steering swivel adopts solid manufacture to form, weight is surprising, the intensity surplus, shorter and smaller and the machining process more complicated of size, be only applicable to the such mass production method of automotive field, and can not meet the racing car field for the weight-saving requirement, so-called lightweight is exactly under the prerequisite of the intensity that guarantees automobile and safety performance, the curb mass of reduce automobile, lightweight, can bring better handling, the power of driving engine output can produce higher acceleration/accel, vehicle is light, during starting, acceleration capability is better, stopping distance during brake is shorter.
Summary of the invention
For this reason, technical matters to be solved by this invention is that in prior art, steering swivel is solid manufacture, and weight is large, the processing technology complexity, and then provide a kind of lightweight, and be easy to processing, can meet the lightweight steering swivel of racing car field lightweight requirements.
For solving the problems of the technologies described above, a kind of lightweight steering swivel of the present invention, it comprises the applicable steering swivel skeleton be connected with suspension system, be arranged on wheel shaft and braking ear on described steering swivel skeleton, described steering swivel skeleton is the figuratum panel of surface hollow-out, and described wheel shaft is perpendicular to described panel setting.
Described braking ear is located on the sidewall on the thickness direction of described steering swivel skeleton, and near described wheel shaft setting.
Described braking ear and described steering swivel frame welding are fixed.
An end away from described wheel shaft of described steering swivel skeleton, and the middle part of described steering swivel skeleton is equipped with the yoke connecting bore that penetrates described plate thickness, form the bolt hole that penetrates described yoke connecting bore sidewall on the sidewall of each described yoke connecting bore, the yoke that will insert on the described suspension system in described yoke connecting bore by bolt is connected with described steering swivel skeleton.
Described yoke connecting bore is provided with two, is separately positioned on the end of described panel away from described wheel shaft, and the middle part of described panel.
Also be provided with one on the end of described panel away from described wheel shaft and be fixedly connected with hole, form and penetrate the described bolt hole that is fixedly connected with the hole sidewall on the described sidewall that is fixedly connected with hole, the connecting rod that will insert on the described described suspension system be fixedly connected with in hole by bolt is connected with described steering swivel skeleton.
All overlap in described bolt hole and be useful on the bolt borehole jack that strengthens resistance to abrasion.
Described steering swivel skeleton comprises inverted trapezoidal faceplate part and rectangular faceplate part, and described the wheel is located on chief's square panel part.
Described wheel shaft is arranged on the end end that described rectangular faceplate part is not connected with described inverted trapezoidal faceplate part.
Described steering swivel skeleton and described wheel shaft are formed in one.
Described pattern is that some triangles form, and is molded over respectively front, the back side and the two sides of described steering swivel skeleton 1.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) in the present invention, described steering swivel skeleton is the figuratum panel of surface hollow-out, described wheel shaft is perpendicular to described panel setting, in the present invention, described steering swivel skeleton forming is panel type, make described steering swivel skeleton structure simple, easily make, and be convenient to process pierced pattern on the described steering swivel skeleton of this panel type, therefore there is the steering swivel of this described steering swivel skeleton, in the intensity that guarantees this steering swivel, have lightweight, be easy to the characteristics of processing and fabricating, can meet the weight-saving requirement of racing car field.
(2) in the present invention, described steering swivel skeleton comprises inverted trapezoidal faceplate part and rectangular faceplate part, the described wheel is located on chief's square panel part, thereby this steering swivel can be connected with suspension system smoothly, can meet again this steering swivel bottom and want the requirement of installing wheel, make wheel constantly rotate around described wheel shaft in the process of moving.
(3) in the present invention, described pattern is that some triangles form, and is molded over respectively front, the back side and the two sides of described steering swivel skeleton; Be provided with the triangle hollow out on described steering swivel skeleton, adopt the triangle hollow out can produce a lot of slant-pull structures, make integral structure go intensity larger, and triangle has stability, adopt the triangle engraved structure can under the prerequisite of proof strength, make the quality minimum of this steering swivel.
The accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the schematic diagram of lightweight steering swivel of the present invention;
Fig. 2 is the front elevation of lightweight steering swivel of the present invention;
Fig. 3 is steering swivel schematic diagram of the prior art;
In figure, Reference numeral is expressed as: 1-steering swivel skeleton; The 11-wheel shaft; 12-brakes ear; 13-yoke connecting bore; The 14-bolt hole; 15--is fixedly connected with hole.
The specific embodiment
Below with reference to accompanying drawing, use following examples to be further elaborated the present invention.
As shown in Figure 1-2, the described a kind of lightweight steering swivel of the present embodiment, it comprises the applicable steering swivel skeleton 1 be connected with suspension system, be arranged on wheel shaft 11 and braking ear 12 on described steering swivel skeleton 1, described steering swivel skeleton 1 is the figuratum panel of surface hollow-out, and described wheel shaft 11 is perpendicular to described panel setting, in the present embodiment, described steering swivel skeleton 1 is no longer solid manufacture, and make the panel with surface hollow-out, described steering swivel skeleton forming is panel type, make described steering swivel skeleton structure simple, easily make, and be convenient to process pierced pattern on the described steering swivel skeleton of this panel type, therefore there is the steering swivel of this described steering swivel skeleton, in the intensity that guarantees this steering swivel, have lightweight, be easy to the characteristics of processing and fabricating, can meet the weight-saving requirement of racing car field, as preferred embodiment, in the present embodiment, described steering swivel skeleton 1 adopts high strength material to make, as the aviation aluminium, titanium alloy, carbon fiber, magnesium alloy etc., make the quality of this steering swivel greatly reduce, and intensity still can meet the operating needs in racing car field.
Described braking ear 12 is located on the sidewall on the thickness direction of described steering swivel skeleton 1, and arranges near described wheel shaft 11; Described braking ear 12 is welded and fixed with described steering swivel skeleton 1; During use, 11 pairs of wheels of described wheel shaft are fixed, make wheel constantly rotate around described wheel shaft 11 in the process of travelling, described braking ear 12 is connected with brake clamp, in the situation that car brakeing, braking force passes to wheel by described braking ear 12, makes car retardation or parking.
On the basis of above-described embodiment, in the present embodiment, an end away from described wheel shaft 11 of described steering swivel skeleton 1, and the middle part of described steering swivel skeleton 1 is equipped with the yoke connecting bore 13 that penetrates described plate thickness, form the bolt hole 14 that penetrates described yoke connecting bore 13 sidewalls on the sidewall of each described yoke connecting bore 13, the yoke that will insert on the described suspension system in described yoke connecting bore 13 by bolt is connected with described steering swivel skeleton 1; In the present embodiment, described yoke connecting bore 13 is molded directly within on the panel of described steering swivel skeleton 1, rather than as prior art, be molded on the extension of a side of described steering swivel skeleton 1, as shown in Figure 3, thereby make the structure of this steering swivel more simple, be easier to processing and fabricating.As preferred embodiment, described yoke connecting bore 13 is provided with two, be separately positioned on the end of described panel away from described wheel shaft 11, and the middle part of described panel, and in the present embodiment, two described bolts hole 14 on two described yoke connecting bores 13 have formed main pin axis, and described main pin axis is mainly used in the control process in the vehicular four wheels location, the rideability of vehicle is also had a certain impact simultaneously; Also be provided with one on the end of described panel away from described wheel shaft 11 and be fixedly connected with hole 15, form and penetrate the described bolt hole 14 that is fixedly connected with hole 15 sidewalls on the described sidewall that is fixedly connected with hole 15, the connecting rod that will insert on the described described suspension system be fixedly connected with in hole 15 by bolt is connected with described steering swivel skeleton 1, in the present embodiment, all overlap in described bolt hole 14 and be useful on the bolt borehole jack that strengthens resistance to abrasion.When the described steering swivel of the present embodiment rotates for front-wheel, the yoke that only need to will stretch into by the described bolt hole 14 on described main pin axis two described suspension systems in described yoke connecting bore 13 is fixedly connected with and gets final product; When the described steering swivel of the present embodiment does not need to turn to for trailing wheel, only need the yoke that will will stretch into two described suspension systems in described yoke connecting bore 13 by described bolt hole 14 to be fixedly connected with, connecting rod is fixedly linked with the described hole 15 that is fixedly connected with simultaneously, can make trailing wheel and vehicle frame be fixed as one, can not freely rotate.
Described steering swivel skeleton 1 comprises inverted trapezoidal faceplate part and rectangular faceplate part, make this steering swivel in the situation that proof strength, as far as possible reduce volume and weight, realize the lightweight to the full extent of this steering swivel, in actual use, can to the volume ratio of described inverted trapezoidal faceplate part and described rectangular faceplate part, be regulated according to actual needs.As preferred embodiment, described wheel shaft 11 is arranged on the end end that described rectangular faceplate part is not connected with described inverted trapezoidal faceplate part, and described steering swivel skeleton 1 and described wheel shaft 11 are formed in one.
Described pattern is that some triangles form, and is molded over respectively front, the back side and the two sides of described steering swivel skeleton 1; Be provided with the triangle hollow out on described steering swivel skeleton 1; Adopt the triangle hollow out can produce a lot of slant-pull structures, make integral structure go intensity larger, and triangle has stability, adopt the triangle engraved structure can under the prerequisite of proof strength, make the quality minimum of this steering swivel; In the present embodiment, three triangle hollow outs of positive moulding at described inverted trapezoidal faceplate part, and these three triangle hollow outs are all the equicrural triangle hollow out, and these three triangle hollow out integral body are about the axis symmetry of described inverted trapezoidal panel, the wherein large end design of two close described inverted trapezoidal faceplate parts in triangle hollow out base, another triangle hollow out is near the small end design of described inverted trapezoidal faceplate part, simultaneously, the side of described inverted trapezoidal faceplate part also forms a triangle hollow out; Front and the side of described rectangular faceplate part all form four triangle hollow outs, and four triangles that wherein are molded over the front of described rectangular faceplate part form symmetry at the midway location of the length direction of described rectangular faceplate part.The described interior angle of described triangle hollow out all adopts arc transition, thereby avoid in the course of processing, the interior angle of processing because of needs too sharply makes described steering swivel skeleton 1 produce crack or other damages, and then affects working strength and the service life of this steering swivel.
The key position of the described steering swivel of above-described embodiment adopts the numerical control milling moulding, and total body processing technology is simple.Specific process is as follows:
At first described steering swivel skeleton 1 is carried out to Milling Process, process the general shape of this steering swivel, then Milling Process goes out the triangle hollow out of described steering swivel skeleton 1 side, reprocess out the triangle hollow out of the rectangular faceplate part of the hollow out of described steering swivel skeleton 1 top inverted trapezoidal faceplate part and described steering swivel skeleton 1 bottom, reprocess out two described yoke connecting bores 13, described hole 15 and a described wheel shaft 11 of being fixedly connected with afterwards.After Milling Process completes, employing drilling processing, process three described bolts hole 14 on described steering swivel skeleton 1, then by prior Milling Process, good described braking ear 12 is welded on the sidewall of thickness direction of described steering swivel skeleton 1, and arrange near described wheel shaft 11, finally in bolt hole 14, overlap the upper bolt hole cover.The load ratio of bearing due to steering swivel is larger, higher to the requirement of intensity, after having completed machine up, also needs this steering swivel is carried out the subsequent treatment such as burring, and carefully checks and have or not manufacturing deficiency, crackle, surface damage etc.Again whole steering swivel is heat-treated determining after no problem, the mechanical property of this steering swivel is further improved, thereby better meet the operating needs of this steering swivel.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain in the invention.
Claims (11)
1. a lightweight steering swivel, it comprises the applicable steering swivel skeleton (1) be connected with suspension system, be arranged on wheel shaft (11) and braking ear (12) on described steering swivel skeleton (1), it is characterized in that: described steering swivel skeleton (1) is the figuratum panel of surface hollow-out, and described wheel shaft (11) is perpendicular to described panel setting.
2. a kind of lightweight steering swivel according to claim 1 is characterized in that: described braking ear (12) is located on the sidewall on the thickness direction of described steering swivel skeleton (1), and arranges near described wheel shaft (11).
3. a kind of lightweight steering swivel according to claim 2 is characterized in that: described braking ear (12) is welded and fixed with described steering swivel skeleton (1).
4. according to the described a kind of lightweight steering swivel of any one in claim 1-3, it is characterized in that: the end away from described wheel shaft (11) of described steering swivel skeleton (1), and the middle part of described steering swivel skeleton (1) is equipped with the yoke connecting bore (13) that penetrates described plate thickness, form the bolt hole (14) that penetrates described yoke connecting bore (13) sidewall on the sidewall of each described yoke connecting bore (13), the yoke that will insert on the described suspension system in described yoke connecting bore (13) by bolt is connected with described steering swivel skeleton (1).
5. a kind of lightweight steering swivel according to claim 4, it is characterized in that: described yoke connecting bore (13) is provided with two, is separately positioned on the end of described panel away from described wheel shaft (11), and the middle part of described panel.
6. a kind of lightweight steering swivel according to claim 5, it is characterized in that: also be provided with one on the end of described panel away from described wheel shaft (11) and be fixedly connected with hole (15), form and penetrate the described bolt hole (14) that is fixedly connected with hole (15) sidewall on the described sidewall that is fixedly connected with hole (15), the connecting rod that will insert on the described described suspension system be fixedly connected with in hole (15) by bolt is connected with described steering swivel skeleton (1).
7. a kind of lightweight steering swivel according to claim 6, is characterized in that: all overlap in described bolt hole (14) and be useful on the bolt borehole jack that strengthens resistance to abrasion.
8. according to the described a kind of lightweight steering swivel of any one in claim 1-7, it is characterized in that: described steering swivel skeleton (1) comprises inverted trapezoidal faceplate part and rectangular faceplate part, and described wheel shaft (11) is located on institute's rectangular faceplate part.
9. a kind of lightweight steering swivel according to claim 8 is characterized in that: described wheel shaft (11) is arranged on the end end that described rectangular faceplate part is not connected with described inverted trapezoidal faceplate part.
10. according to the described a kind of lightweight steering swivel of claim 1-9 any one, it is characterized in that: described steering swivel skeleton (1) and described wheel shaft (11) are formed in one.
11. a kind of lightweight steering swivel according to claim 8 or claim 9 is characterized in that: described pattern is that some triangles form, and is molded over respectively front, the back side and the two sides of described steering swivel skeleton (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310433464.7A CN103465960B (en) | 2013-09-23 | 2013-09-23 | A kind of lightweight steering swivel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310433464.7A CN103465960B (en) | 2013-09-23 | 2013-09-23 | A kind of lightweight steering swivel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103465960A true CN103465960A (en) | 2013-12-25 |
| CN103465960B CN103465960B (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310433464.7A Active CN103465960B (en) | 2013-09-23 | 2013-09-23 | A kind of lightweight steering swivel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103465960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984497A (en) * | 2015-03-16 | 2016-10-05 | 大众汽车有限公司 | Swivel bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653542A1 (en) * | 1996-12-20 | 1998-06-25 | Audi Ag | Light-metal casting |
| JP2001187583A (en) * | 1999-10-18 | 2001-07-10 | Hitachi Metals Ltd | Automobile knuckle |
| JP2012143788A (en) * | 2011-01-12 | 2012-08-02 | Honda Motor Co Ltd | Casting |
| CN202966422U (en) * | 2012-11-09 | 2013-06-05 | 蒋荣华 | Welding type steering knuckle |
| CN103221231A (en) * | 2010-11-26 | 2013-07-24 | 标致·雪铁龙汽车公司 | Vehicle ground-contacting element forming a hollow body and method for manufacturing such a ground-<wbr/>contacting element |
| CN203450205U (en) * | 2013-09-23 | 2014-02-26 | 北京汉能创昱科技有限公司 | Light steering knuckle |
-
2013
- 2013-09-23 CN CN201310433464.7A patent/CN103465960B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19653542A1 (en) * | 1996-12-20 | 1998-06-25 | Audi Ag | Light-metal casting |
| JP2001187583A (en) * | 1999-10-18 | 2001-07-10 | Hitachi Metals Ltd | Automobile knuckle |
| CN103221231A (en) * | 2010-11-26 | 2013-07-24 | 标致·雪铁龙汽车公司 | Vehicle ground-contacting element forming a hollow body and method for manufacturing such a ground-<wbr/>contacting element |
| JP2012143788A (en) * | 2011-01-12 | 2012-08-02 | Honda Motor Co Ltd | Casting |
| CN202966422U (en) * | 2012-11-09 | 2013-06-05 | 蒋荣华 | Welding type steering knuckle |
| CN203450205U (en) * | 2013-09-23 | 2014-02-26 | 北京汉能创昱科技有限公司 | Light steering knuckle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984497A (en) * | 2015-03-16 | 2016-10-05 | 大众汽车有限公司 | Swivel bearing |
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| Publication number | Publication date |
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| CN103465960B (en) | 2015-09-16 |
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