CN105667233A - FSC (Formula Student China) formula car carbon fiber suspension and adhesion technology thereof - Google Patents
FSC (Formula Student China) formula car carbon fiber suspension and adhesion technology thereof Download PDFInfo
- Publication number
- CN105667233A CN105667233A CN201610180338.9A CN201610180338A CN105667233A CN 105667233 A CN105667233 A CN 105667233A CN 201610180338 A CN201610180338 A CN 201610180338A CN 105667233 A CN105667233 A CN 105667233A
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- CN
- China
- Prior art keywords
- carbon fiber
- fsc
- glue
- fiber suspension
- fiber pipe
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/02—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
Abstract
The invention discloses an FSC (Formula Student China) formula car carbon fiber suspension and an adhesion technology thereof. The FSC formula car carbon fiber suspension comprises a stand column used for connecting a tyre, wherein the inner side of the stand column is connected with a car frame through a guide mechanism; the guide mechanism comprises bar elements, such as an upper cross arm, a lower cross arm, a push bar, a rocker arm, a stabilizer bar connection bar and the like; the above bar elements independently consist of a carbon fiber tube and a metal connection element on the end part of the carbon fiber tube. The adhesion technology comprises the following steps: polishing and cleaning an adhesion surface of the carbon fiber tube and a metal connector; evenly smearing glue on the adhesion surface of one end of the carbon fiber tube, inserting the metal connector, causing an adhesion end to face downwards, and keeping stationary until the glue is cured; adhering the metal connector on the other end. The unsprung mass of a formula car is greatly reduced, the acceleration quality and the fuel economy of the formula car can be improved, operation cost and the emission of carbon dioxide are lowered, the rigidity and the safety of a suspension system are improved, repairing time and cost are reduced, and the handling stability of the formula car is improved.
Description
Technical field
The present invention relates to university students's equation motorcycle race suspension technical field, be specially a kind of FSC equation motorcycle race carbon fiber suspension and technique for sticking thereof.
Background technology
FSC(Chinese college students formula car contest) regulation in contest: all wheels of racing car must be provided with perfect in shape and function, with the suspension of vibroshock. When there being driver to take, the bump travel of tire is at least 50.8mm2 inch, wherein upwards 25.4mm1 inch, downward 25.4mm1 inch. In check-up, all of point of installing of suspension must be presented to judge, no matter is it can directly be seen that or realize by removing covering.
Nowadays, in the team participating in the contest of FSC formula car contest, suspension frame structure is mainly based on steel pipe suspension, and few part fleet adopts half carbon fiber semi-steel pipe suspension. Steel pipe suspension adopts steel pipe and steel hinge to be welded, and suspension system is excessively heavy, response speed slow, and fuel economy and dynamic property impact on racing car are bigger; Easily there is corrosion and fatigue in long use procedure in metal material, and the safety of racing car is not high; The maintainability of steel pipe suspension is poor, keeps in repair once damaging occurs in suspension rod only by replacing parts or welding.
And the feature such as carbon fiber pipe has damping energy-absorbing, light weight, corrosion-resistant, modulus is high, density is low, linear expansion coefficient is little, it applies to some extent in F1 equation motorcycle race, but F1 equation motorcycle race adopts integral type carbon fibre member bar, namely the demoulding of carbon fiber transverse arm entirety manufactures, not only manufacturing cost is high, manufacturing process difficulty is big, and keeps in repair also inconvenient. Therefore the lightweight for realizing university students's equation motorcycle race suspension ensures the performance of suspension simultaneously, and the design of the pin joint of carbon fibre member bar and processing technology will be the new problems faced.
Summary of the invention
It is an object of the invention to provide a kind of light weight for the problems referred to above, make simple, keep in repair easy FSC equation motorcycle race carbon fiber suspension and technique for sticking thereof, technical scheme is as follows:
A kind of FSC equation motorcycle race carbon fiber suspension, including the column for connecting tire, is connected with vehicle frame by guiding mechanism inside column, and described guiding mechanism includes Top Crossbeam, lower cross arm, push rod and rocking arm;The distal end articulated of Top Crossbeam and lower cross arm is on column, and near-end is for being connected with vehicle frame; The far-end of push rod and the distal end articulated of lower cross arm, the upward inclination proximal of push rod extends and is connected to rocking arm; Also include QS, each one swing arm of fixing connection in QS two ends, two swing arms are connected on the rocking arm of left and right sides guiding mechanism respectively through stabilizer bar connecting bar; Described Top Crossbeam, lower cross arm, push rod and stabilizer bar connecting bar are constituted by the metal connecting piece of carbon fiber pipe and end thereof.
Further, described metal connecting piece includes suit and is bonded in the metal joint of carbon fiber pipe inner wall of end, and metal joint is fixedly connected with oscillating bearing.
Further, described swing arm is arranged multiple for the pin joint hinged with stabilizer bar connecting bar along the direction of vertical axletree.
Further, described QS 7 adopts flexible member 4130 steel pipe.
A kind of technique for sticking of FSC equation motorcycle race carbon fiber suspension, including:
1) bonding plane of polishing carbon fiber pipe inwall;
2) carbon fiber pipe bonding plane and metal joint are cleaned with acetone;
3) by glue uniform application on the bonding plane of carbon fiber pipe one end, being inserted into metal joint and make it fit tightly with bonding plane, and by bonding end down, static 4 ~ 6 hours to glue curing;
4) with the metal joint of the bonding carbon fiber pipe other end of method of step 3.
Further, described glue adopts 3MDP460NS epoxy resin glue, and the thickness that glue is smeared is 0.2mm.
Further, after described step 1, also include the inspection to polishing effect, method particularly includes: carbon fiber pipe is slowly put in water and further takes out, if the water of buffed surface attachment is neither polymerized to water droplet, does not also become under plume, then polished.
The invention has the beneficial effects as follows:
1) present invention adopts carbon fiber pipe to replace steel pipe as suspension rod material, carbon fiber pipe proportion is little, weight is the 1/5 of steel, the unsprung mass that can make racing car alleviates 25%, effectively reduce the weight--to-power ratio of racing car, improve acceleration and the fuel economy of racing car, reduce the discharge of operation cost and carbon dioxide;
2) the carbon fiber suspension energy reliable delivery of the present invention acts on the power between wheel and vehicle frame and power and turns round, relaxes uneven road surface and impact and pass to vehicle frame;
3) the carbon fiber pipe intensity height that the present invention adopts is 5 times of steel, is remarkably improved suspension system rigidity, and suspension safety is strengthened;
4) the carbon fiber pipe thermal coefficient of expansion of the present invention is low, and deflection is little, and corrosion resistance and thermal-shock resistance are strong, it is ensured that racing car is when long-time running, and suspension system is not by the impact of corrosion and hot conditions;
5) carbon fibre pipe fitting of the present invention is bonding by glue, and this technique for sticking can realize enough intensity, and the glue curing time is short, and damaging occurs in suspension rod all can be repaired by again bonding whenever and wherever possible, thus being effectively reduced repairing time and cost;
6) roll stiffness of the present invention is adjustable, it is possible to be effectively improved the control stability of racing car.
Accompanying drawing explanation
Fig. 1 is the front overhang assembling schematic diagram of carbon fiber suspension of the present invention.
Fig. 2 is carbon fiber suspension right rear fire of the present invention assembling schematic diagram.
Fig. 3 is carbon fiber suspension lower cross arm partial sectional view of the present invention.
Fig. 4 is carbon fiber suspension transverse direction fixed rod structure schematic diagram of the present invention.
Fig. 5 is the metal joint structural representation of carbon fiber suspension carbon fiber pipe end of the present invention.
Fig. 6 is carbon fiber suspension carbon fibre member bar of the present invention test force-displacement curve figure.
In figure: 1-column; 2-tire; 3-push rod; 4-rocking arm; 5-amortisseur; 6-Top Crossbeam; 7-QS; 8-swing arm; 9-lower cross arm; 10-drag link; 11-stabilizer bar connecting bar; 12-control arm; 13-plain radial bearing; 14-carbon fiber pipe; 15-metal joint; 16-nut; 17-spherical plain bearing rod end.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described. As it is shown in figure 1, a kind of FSC equation motorcycle race carbon fiber suspension, including the column 1 for connecting tire 2, being connected with vehicle frame by guiding mechanism inside column 1, described guiding mechanism includes Top Crossbeam 6, lower cross arm 9, push rod 3 and Rocker arm 4; The distal end articulated of Top Crossbeam 6 and lower cross arm 9 is on column 1, and near-end is for being connected with vehicle frame; The distal end articulated of the far-end of push rod 3 and lower cross arm 9, the upward inclination proximal of push rod 3 extends and is connected to Rocker arm 4; Also include QS 7, each one swing arm 8 of fixing connection in QS 7 two ends, two swing arms 8 are connected on the Rocker arm 4 of left and right sides guiding mechanism respectively through stabilizer bar connecting bar 11; The rod members such as described Top Crossbeam 6, lower cross arm 9, push rod 3 and stabilizer bar connecting bar 11 are constituted by the metal connecting piece of carbon fiber pipe 14 and end thereof.
Being positioned at the guiding mechanism at front-wheel place in Fig. 1 also to include being positioned in drag link 10, Fig. 2 the guiding mechanism at trailing wheel place and also include control arm 12, the far-end of drag link 10 and control arm 12 is each hinged on the column 1 of corresponding wheel, and near-end is all connected with vehicle frame. Drag link 10 and control arm 12 are also be made up of the metal connecting piece of carbon fiber pipe 14 and end thereof.
Wherein, metal connecting piece includes suit and is bonded in the metal joint 15 of carbon fiber pipe 14 inner wall of end, and metal joint 15 is fixedly connected with oscillating bearing.
Being applied in suspension system by carbon fiber pipe needs pin joint is improved, and compared to traditional suspension, the pin joint of the present embodiment adopts all aluminium alloy structure, aluminium alloy and carbon fiber pipe joint " socket ", and namely aluminum alloy joint is directly inserted in carbon fiber pipe. Such structure can increase the active area of aluminum alloy joint and carbon fiber pipe, can enable aluminum alloy to simultaneously joint and carbon fiber pipe time bonding concentricity obtain enough guarantees.
And the oscillating bearing of Rod end is connected directly between on aluminum alloy joint, in Fig. 3, in lower cross arm, the spherical plain bearing rod end 17 at hinge place is threaded connection with metal joint 15, fasten with nut 16 again, the plain radial bearing 13 then elastic conjunction at outer hinge place is in hinge, and two through holes on hinge top, figure China and foreign countries are that push rod 3 is installed a little.
And the present embodiment fore suspension and rear suspension is Length discrepancy wishbone-type independent suspension, adopting helical spring as flexible member, additional lateral stabiliser bar 7 is to improve suspension roll stiffness. Front and back wheel all uses 10in aluminium alloy wheel rim, and aluminium alloy rotator inertia is little, good springiness, and heat conductivity is good, improves the handling that racing car travels. Wherein, QS 7 is possible to prevent racing car to occur excessive transverse direction to roll when turning, and improves ride comfort, and QS 7 adopts flexible member 4130 steel pipe to make.
In order to optimize the technique effect of the present invention further, as shown in Figure 4, swing arm 8 is arranged multiple for the pin joint hinged with stabilizer bar connecting bar 11 along the direction of vertical axletree, the spherical plain bearing rod end 17 changing stabilizer bar connecting bar 11 installation site in swing arm 8 can be passed through, change the active length of swing arm 8, realize the adjustment of suspension roll stiffness, so according to the suitable roll stiffness of different racing track Conditions Matchings, the control stability of racing car can be improved.
The present embodiment adopts 7075-T6 aluminium bar working joint, the structure of metal joint is as shown in Figure 5, the cylinder of its middle and lower part is adhesive portion, for overlapping the end putting into carbon fiber pipe, in the present embodiment, the length for the adhesive portion of Top Crossbeam joint is 40mm, and diameter is 14mm, length for the adhesive portion of the bonding head of lower cross arm is 40mm, and diameter is 17mm.
Owing to rod member two ends aluminum alloy joint is connected with vehicle frame and column by ball pivot, rod member is two power bar structures, and therefore rod member is by pulling force or pressure, for ensure bonding firmly, need butt joint bonding plane slightly to polish before bonding.
Due to current carbon fiber pipe inner surface mechanical means difficult treatment, therefore, the bonding plane of carbon fiber pipe inner surface can only manual grinding. Carbon fiber pipe inwall polishing degree is very big on bonding impact, and carbon fiber pipe inwall is covered with resin bed, it is desirable to adhering state be glue and carbon cloth combines rather than resin, it is therefore desirable to this layer of resin is polished off. Manual grinding is difficult to that judging whether polishes puts in place, the present embodiment adopts " one's water breaks method " chemically to solve, and the carbon fiber pipe being about to polish slowly is put in water and further taken out, if the water of buffed surface attachment is neither polymerized to water droplet, do not become under plume, it was demonstrated that resin bed has been polished completely yet.
After having polished, with acetone, the bonding plane of carbon fiber pipe and aluminum alloy joint is carried out, to guarantee that bonding plane is clean and tidy.
After cleaning, bonding plane is air-dry, then by glue uniform application on the bonding plane of carbon fiber pipe one end, insert metal joint and make it fit tightly with bonding plane, and by bonding end down, static 4 ~ 6 hours to glue curing.
Then again with the metal joint of the identical bonding carbon fiber pipe other end of method. By two ends separate operation, and bonding end is down, it is possible to glue backflow when effectively preventing from standing, and affects adhesive effect.
The present embodiment glue adopts 3MDP460NS epoxy resin glue, and the thickness that glue is smeared is 0.1mm ~ 0.3mm.
Finally adopt 10T cupping machine and 500KN torsion testing machine that bonding complete carbon fiber pipe is stretched and torsion test. Empirical average pulling force can reach 40KN, and torsional moment reaches 62N M, meets all rod member instructions for uses of suspension. On this basis glue thickness is being finely divided, and is testing, to probe into best glue thickness. Through many experiments, when glue thickness is about 0.2mm, carbon fiber pipe bears pulling force best results, and test force-displacement curve figure is as shown in Figure 6.
Claims (7)
1. a FSC equation motorcycle race carbon fiber suspension, including the column (1) for connecting tire (2), column (1) inner side is connected with vehicle frame by guiding mechanism, it is characterised in that described guiding mechanism includes Top Crossbeam (6), lower cross arm (9), push rod (3) and rocking arm (4); The distal end articulated of Top Crossbeam (6) and lower cross arm (9) is on column (1), and near-end is for being connected with vehicle frame; The distal end articulated of the far-end of push rod (3) and lower cross arm (9), the upward inclination proximal of push rod (3) extends and is connected to rocking arm (4); Also include QS (7), one swing arm (8) of each fixing connection in QS (7) two ends, two swing arms (8) are connected on the rocking arm (4) of left and right sides guiding mechanism respectively through stabilizer bar connecting bar (11); Described Top Crossbeam (6), lower cross arm (9), push rod (3) and stabilizer bar connecting bar (11) are constituted by the metal connecting piece of carbon fiber pipe (14) and end thereof.
2. FSC equation motorcycle race carbon fiber suspension according to claim 1, it is characterized in that, described metal connecting piece includes suit and is bonded in the metal joint (15) of carbon fiber pipe (14) inner wall of end, and metal joint is fixedly connected with oscillating bearing on (15).
3. FSC equation motorcycle race carbon fiber suspension according to claim 1, it is characterised in that described swing arm (8) is arranged multiple for the pin joint hinged with stabilizer bar connecting bar (11) along the direction of vertical axletree.
4. FSC equation motorcycle race carbon fiber suspension according to claim 1, it is characterised in that described QS (7) adopts 4130 steel pipes.
5. the technique for sticking of a FSC equation motorcycle race carbon fiber suspension as claimed in claim 2, it is characterised in that including:
The bonding plane of polishing carbon fiber pipe inwall;
Carbon fiber pipe bonding plane and metal joint is cleaned with acetone;
By glue uniform application on the bonding plane of carbon fiber pipe one end, being inserted into metal joint and make it fit tightly with bonding plane, and by bonding end down, static 4 ~ 6 hours to glue curing;
Metal joint with the bonding carbon fiber pipe other end of the method for step 3).
6. the technique for sticking of FSC equation motorcycle race carbon fiber suspension according to claim 5, it is characterised in that described glue adopts 3MDP460NS epoxy resin glue, and the thickness that glue is smeared is 0.1mm ~ 0.3mm.
7. the technique for sticking of FSC equation motorcycle race carbon fiber suspension according to claim 5, it is characterized in that, the inspection to polishing effect is also included after described step 1), method particularly includes: carbon fiber pipe is slowly put in water and further takes out, if the water of buffed surface attachment is neither polymerized to water droplet, do not become under plume, then polished yet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180338.9A CN105667233A (en) | 2016-03-25 | 2016-03-25 | FSC (Formula Student China) formula car carbon fiber suspension and adhesion technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610180338.9A CN105667233A (en) | 2016-03-25 | 2016-03-25 | FSC (Formula Student China) formula car carbon fiber suspension and adhesion technology thereof |
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| CN105667233A true CN105667233A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610180338.9A Pending CN105667233A (en) | 2016-03-25 | 2016-03-25 | FSC (Formula Student China) formula car carbon fiber suspension and adhesion technology thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080071A (en) * | 2016-06-27 | 2016-11-09 | 武汉理工大学 | A kind of FSC racing car suspension system |
| CN107650613A (en) * | 2017-08-21 | 2018-02-02 | 潍柴动力股份有限公司 | Lateral direction of car stabiliser bar assembly and heavy vehicle |
| CN107745617A (en) * | 2017-10-30 | 2018-03-02 | 湖南大学 | A kind of university student's equation motorcycle race lateral stability lever system and its operating method |
| CN107914769A (en) * | 2017-12-25 | 2018-04-17 | 上海龙创汽车设计股份有限公司 | A kind of novel carbon fiber track rod mechanism and preparation method thereof |
| CN108263163A (en) * | 2018-01-16 | 2018-07-10 | 南京理工大学 | A kind of the stabilizer bar assembly and its adjusting method of FSAE racing cars roll stiffness fast tunable |
| CN108556589A (en) * | 2018-01-22 | 2018-09-21 | 湖南大学 | A kind of FSAE racing car stabilizer bar for realizing step-less adjustment |
| CN108749502A (en) * | 2018-05-21 | 2018-11-06 | 陈炜 | A kind of wheeled robot suspension frame structure |
| CN109664705A (en) * | 2018-12-28 | 2019-04-23 | 安徽工程大学 | A kind of independent suspension system of equation motorcycle race |
| CN110816182A (en) * | 2018-08-08 | 2020-02-21 | 斯凯孚公司 | Lightweight suspension upright assembly for vehicle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080071A (en) * | 2016-06-27 | 2016-11-09 | 武汉理工大学 | A kind of FSC racing car suspension system |
| CN107650613A (en) * | 2017-08-21 | 2018-02-02 | 潍柴动力股份有限公司 | Lateral direction of car stabiliser bar assembly and heavy vehicle |
| CN107745617A (en) * | 2017-10-30 | 2018-03-02 | 湖南大学 | A kind of university student's equation motorcycle race lateral stability lever system and its operating method |
| CN107745617B (en) * | 2017-10-30 | 2020-10-09 | 湖南大学 | University student's formula car stabilizer bar system |
| CN107914769A (en) * | 2017-12-25 | 2018-04-17 | 上海龙创汽车设计股份有限公司 | A kind of novel carbon fiber track rod mechanism and preparation method thereof |
| CN108263163A (en) * | 2018-01-16 | 2018-07-10 | 南京理工大学 | A kind of the stabilizer bar assembly and its adjusting method of FSAE racing cars roll stiffness fast tunable |
| CN108556589A (en) * | 2018-01-22 | 2018-09-21 | 湖南大学 | A kind of FSAE racing car stabilizer bar for realizing step-less adjustment |
| CN108749502A (en) * | 2018-05-21 | 2018-11-06 | 陈炜 | A kind of wheeled robot suspension frame structure |
| CN110816182A (en) * | 2018-08-08 | 2020-02-21 | 斯凯孚公司 | Lightweight suspension upright assembly for vehicle |
| CN109664705A (en) * | 2018-12-28 | 2019-04-23 | 安徽工程大学 | A kind of independent suspension system of equation motorcycle race |
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Inventor after: Tang Lan Inventor after: Zuo Yifang Inventor after: Jiang Yuanbo Inventor after: Gong Pengju Inventor after: Jiang Xiangjian Inventor after: Wu Ping Inventor after: Qiao Xuqiang Inventor before: Jiang Yuanbo Inventor before: Zuo Yifang Inventor before: Gong Pengju Inventor before: Jiang Xiangjian Inventor before: Gao Juansong Inventor before: Wu Ping Inventor before: Qiao Xuqiang |
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Application publication date: 20160615 |