WO2023070990A1 - Ensemble de suspension de barre stabilisatrice pour véhicule utilitaire léger à forte charge et son procédé de préparation - Google Patents

Ensemble de suspension de barre stabilisatrice pour véhicule utilitaire léger à forte charge et son procédé de préparation Download PDF

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Publication number
WO2023070990A1
WO2023070990A1 PCT/CN2022/076289 CN2022076289W WO2023070990A1 WO 2023070990 A1 WO2023070990 A1 WO 2023070990A1 CN 2022076289 W CN2022076289 W CN 2022076289W WO 2023070990 A1 WO2023070990 A1 WO 2023070990A1
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WO
WIPO (PCT)
Prior art keywords
bushing
bush
stabilizer bar
composite material
sleeve
Prior art date
Application number
PCT/CN2022/076289
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English (en)
Chinese (zh)
Inventor
杨威
郭春杰
周海湘
徐波
张俊荣
李晓晔
邓洪成
Original Assignee
博戈橡胶塑料（株洲）有限公司
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Application filed by 博戈橡胶塑料（株洲）有限公司 filed Critical 博戈橡胶塑料（株洲）有限公司
Priority to DE112022001858.5T priority Critical patent/DE112022001858T5/de
Publication of WO2023070990A1 publication Critical patent/WO2023070990A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/83—Type of interconnection
    • B60G2204/8302—Mechanical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/11—Constructional features of arms the arm being a radius or track or torque or steering rod or stabiliser end link
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7101—Fiber-reinforced plastics [FRP]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7104—Thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8101—Shaping by casting
    • B60G2206/81012—Shaping by casting by injection moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8106—Shaping by thermal treatment, e.g. curing hardening, vulcanisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80—Manufacturing procedures
    • B60G2206/85—Filament winding
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Definitions

  • the invention belongs to the technical field of lightweight design of automobiles, and relates to a stabilizer bar suspender assembly and a preparation method thereof, in particular to a light-weight and large-load commercial vehicle stabilizer bar suspender assembly and a preparation method thereof.
  • the stabilizer bar is an auxiliary elastic element in the car suspension, which is used to prevent the body from excessive lateral roll when turning, and the stabilizer bar hanger is used to connect the suspension arm and the stabilizer bar.
  • the stabilizer bar and suspender are usually designed with metal parts as a whole, which requires many manufacturing processes and heavy weight, which cannot meet the needs of light weight.
  • the Chinese patent document "A Forged Stabilizer Suspender and Support Assembly and Vehicle Using the Assembly” with the publication number CN213007481U discloses a forged stabilizer suspender, which does not have a significant lightweight effect .
  • the Chinese patent document "A Lightweight Structured Truck Stabilizer Suspender” with the publication number CN211844016U discloses a lightweight stabilizer suspension pole, but it is a curved pole structure, applicable to fewer models, and cannot be interchanged in large quantities .
  • the Chinese patent document “A Lightweight and Environmentally Friendly Automotive Stabilizer Link Assembly” with publication number CN207433181U discloses an injection-molded stabilizer link.
  • One end of the link is fitted with a rubber-metal bushing, and the other One end is integrally injection-molded with a connecting rod main body.
  • a connecting rod main body When installing this structure, it is not convenient to change the structure of the opponent stabilizer bar.
  • the connecting rod structure disclosed in this technology adopts the traditional injection molding process, which cannot meet the application scenarios of large loads.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a commercial vehicle with light weight, high load bearing capacity, high degree of design freedom, and applicable to longer length and more complex structures.
  • the stabilizer bar hanger assembly also provides a preparation method for a light-weight and heavy-duty commercial vehicle stabilizer bar hanger assembly.
  • the present invention adopts the following technical solutions.
  • a light-weight and heavy-duty commercial vehicle stabilizer bar suspension assembly including a composite material rod body and a reinforcement body, the reinforcement body is fiber or wire, the reinforcement body includes a plurality of reinforcement body segments, and the composite material rod body
  • One end of the first sleeve is provided with a first bushing
  • the other end of the composite material rod is provided with a connecting fork
  • the ends of the two tines of the connecting fork are respectively provided with
  • There are a second sleeve and a third sleeve the second sleeve is provided with a second bushing
  • the third sleeve is provided with a third bushing
  • the composite material rod body is provided along the length direction of the rod body.
  • There is a fourth bushing a reinforcement segment is wound between the first bushing and the fourth bushing, between the fourth bushing and the second bushing and between the fourth bushing and the fourth bushing
  • a reinforcement segment is wound between the third bushings.
  • a plurality of reinforcing body segments are integrated.
  • the fibers include one or more of glass fibers, carbon fibers and aramid fibers
  • the metal wires include steel wires and/or iron wires. More preferably, the steel wire includes stainless steel wire, and the stainless steel wire includes stainless steel wire 304 or stainless steel wire 316 .
  • the first bush is provided with a fifth bush
  • the fifth bush includes an outer tube arranged sequentially from outside to inside, Rubber tube and inner tube.
  • the inner wall of the outer tube is vulcanized connected to the outer wall of the rubber tube, and the inner wall of the rubber tube is vulcanized connected to the outer wall of the inner tube , both the outer tube and the inner tube are metal tubes.
  • the composite material rod body is a thermosetting resin composite material rod body or a thermoplastic resin composite material rod body
  • the second bushing, the third bushing, the first Four bushings are metal bushings.
  • the present invention also provides a light-weight and heavy-duty commercial vehicle stabilizer bar suspension rod assembly, including a composite material rod body and a reinforcement body, the reinforcement body is fiber or wire, and the reinforcement body includes A plurality of reinforcing body segments, one end of the composite material rod body is provided with a first sleeve, and a first bushing is provided inside the first sleeve, and the other end of the composite material rod body is provided with a connecting fork, and the connection The ends of the two tines of the fork are respectively provided with a second sleeve and a third sleeve, the second sleeve is provided with a second bush, and the third sleeve is provided with a third bush, Two or more fourth bushings are arranged in the composite material rod body along the length direction of the rod body, a reinforcement section is wound between the first bushing and the adjacent fourth bushing, and two adjacent fourth bushings A reinforcement segment is wound between the sleeves, a reinforcement segment is wound
  • a plurality of reinforcing body segments are integrated.
  • the fibers include one or more of glass fibers, carbon fibers and aramid fibers
  • the metal wires include steel wires and/or iron wires. More preferably, the steel wire includes stainless steel wire, and the stainless steel wire includes stainless steel wire 304 or stainless steel wire 316.
  • the first bush is provided with a fifth bush
  • the fifth bush includes an outer tube arranged sequentially from outside to inside, Rubber tube and inner tube.
  • the inner wall of the outer tube is vulcanized connected to the outer wall of the rubber tube, and the inner wall of the rubber tube is vulcanized connected to the outer wall of the inner tube , both the outer tube and the inner tube are metal tubes.
  • the composite material rod body is a thermosetting resin composite material rod body or a thermoplastic resin composite material rod body.
  • the second bushing, the third bushing, and the fourth bushing are all metal bushings.
  • the present invention also provides a method for preparing the above-mentioned lightweight and heavy-duty commercial vehicle stabilizer bar suspension rod assembly, including the following steps:
  • step S1 the metal wire is surface-treated with a silane coupling agent with an amino group before winding, and the The way of winding is to wind without interruption.
  • the thermoplastic resin composite material includes fiber-reinforced nylon 6 or fiber-reinforced nylon 66, and the thermoplastic resin composite material can be used at high temperature Dry before plasticizing, the temperature of the drying is 120° C., and the drying time is 4 hours.
  • the present invention also provides a method for preparing the above-mentioned lightweight and heavy-duty commercial vehicle stabilizer bar suspension rod assembly, including the following steps:
  • the fibers are surface-treated with a silane coupling agent with a hydrophilic functional group before winding.
  • thermosetting resin composite material is a thermosetting resin composite material containing epoxy resin or a thermosetting resin composite material containing polyurethane resin, and the thermosetting resin composite material is subjected to defoaming treatment before pouring.
  • the present invention has the advantages of:
  • a plurality of reinforcing body segments are arranged in the composite material rod body, and the transition connection between the plurality of reinforcing body segments is carried out through the fourth bushing to form a main load-bearing skeleton, which can significantly improve the stability
  • the load that the rod and suspender assembly can bear can further increase the degree of freedom of design, allowing the design of rods with longer lengths and more complex structures.
  • the degree of freedom in shape design is high, which can reduce the impact of installation space on structural design .
  • Fibers or metal wires are used as reinforcements to further reduce the weight of the structure.
  • the design method of the present invention can meet the requirements of heavy load service conditions and significant weight reduction at the same time, and is suitable for commercial vehicles, including trucks, tractors, engineering machinery vehicles and the like.
  • the connecting rod structure proposed by the applicant adopts the winding process to prepare the reinforcing body, which greatly improves the ultimate breaking strength and is more suitable for the working environment of commercial vehicles.
  • One end is interference-fitted with a rubber metal bushing, and the other end has fork teeth Structure, this structure is convenient for installing counterparts, and the interchangeability of the connecting rod structure is higher.
  • the preparation method of the present invention uses continuous fibers or continuous metal wires to prepare reinforcements through segmental winding, which has high designability and is suitable for preparing rods with longer lengths and more complex structures.
  • the surface of the reinforcement is treated with special additives, and the impregnation bonding strength of the two is guaranteed by controlling the temperature, pressure and other process parameters of the hybrid integrated molding process.
  • the reinforcing body of the present invention adopts continuous fibers, and the continuous fibers are pre-surface-treated with a silane coupling agent having a hydrophilic functional group. It can be high-pressure vacuum infusion, depending on product performance requirements.
  • a silane coupling agent having a hydrophilic functional group When the reinforcement is made of metal materials such as steel wire or iron wire, it is pre-treated with a silane coupling agent with amino groups to improve the surface activity of the reinforcement.
  • the rod body is correspondingly made of thermoplastic resin and prepared by an insert mixing injection molding process.
  • the reinforced body designed in the present invention can provide better tensile and compressive properties, and a more complicated appearance structure can be molded by thermosetting resin or thermoplastic resin.
  • Fig. 1 is a schematic structural view of a light-weight and heavy-duty commercial vehicle stabilizer bar suspender assembly in Embodiment 1 of the present invention.
  • Fig. 2 is a structural schematic diagram of the intermediate body (including the bushing and the reinforcing body) of the light-weight and heavy-duty commercial vehicle stabilizer bar suspender assembly in Embodiment 1 of the present invention.
  • Fig. 3 is an exploded view of the intermediate structure of the light-weight and heavy-duty commercial vehicle stabilizer bar suspender assembly in Embodiment 1 of the present invention.
  • Fig. 4 is a schematic structural view of the fifth bushing of the light-weight and heavy-duty commercial vehicle stabilizer bar suspender assembly in Embodiment 1 of the present invention.
  • a light-weight and heavy-duty commercial vehicle stabilizer bar suspension rod assembly of the present invention includes a composite material rod body 2 and a reinforcement body 3, and the reinforcement body 3 includes a plurality of reinforcement body segments 31, composite One end of the material rod body 2 is provided with a first sleeve 1, the first sleeve 1 is provided with a first bushing 4, the other end of the composite material rod body 2 is provided with a connecting fork 5, and the ends of the two fork teeth of the connecting fork 5
  • the second sleeve 6 and the third sleeve 7 are respectively provided on the part, the second sleeve 6 is provided with the second bushing 8, the third sleeve 7 is provided with the third bushing 9, and the inner edge of the composite rod body 2 is
  • a fourth bushing 10 is arranged in the middle of the length direction of the rod body, a reinforcement section 31 is wound between the first bushing 4 and the fourth bushing 10 , and a reinforcement segment is wound between the fourth bushing 10 and the second bush
  • the two reinforcing body segments 31 are integrally structured, that is, the reinforcing bodies wound around the first bushing 4, the fourth bushing 10, the second bushing 8, and the third bushing 9 are continuous, and the reinforcing body 3 It is stainless steel wire 304 with a diameter of 0.2mm.
  • the reinforcing body 3 is wound between the first bushing 4 and the fourth bushing 10, the fourth bushing 10 and the second bushing 8, the fourth bushing 10 and the third bushing 9 in a segmented winding manner, to reinforce
  • the body 3 can be wound in sections in any way. This winding process is suitable for products with longer lengths, and the reinforcement has higher structural stability, strong mechanical properties, and a more stable and controllable process.
  • the first bush 4 is provided with a fifth bush 11 , as shown in FIG. 4 , the fifth bush 11 includes an outer tube 113 , a rubber tube 112 and an inner tube 111 sequentially arranged from outside to inside.
  • the second bushing 8, the third bushing 9, and the fourth bushing 10 are all metal ring bushings, and the metal ring bushings are fixed by tooling, which can ensure the product center distance and installation accuracy requirements.
  • the inner wall of the outer tube 113 is vulcanized connected to the outer wall of the rubber tube 112
  • the inner wall of the rubber tube 112 is vulcanized connected to the outer wall of the inner tube 111
  • both the outer tube 113 and the inner tube 111 are metal tubes.
  • the outer pipe 113 uses 20# steel
  • the inner pipe 111 uses 45# steel
  • the axis of the outer pipe 113 coincides with the axis of the inner pipe 111.
  • the rod body 2 of composite material is a rod body of thermoplastic resin composite material, specifically a rod body of fiber-reinforced nylon 6 composite material, and it can also be implemented by using a rod body of fiber-reinforced nylon 66 composite material.
  • the metal wire is treated with a silane coupling agent containing amino groups.
  • the metal wire is specifically a stainless steel wire 304, and the stainless steel wire 304 is uninterruptedly wound between the first bush 4 and the fourth bush 10, the second Between the second bushing 8 and the fourth bushing 10, between the third bushing 9 and the fourth bushing 10, after the winding is completed, a plurality of reinforcing body segments 31 of the winding bushing are formed to form the reinforcing body 3 and the bushing Composed intermediate, the intermediate is preheated, and the preheating temperature is 90°C;
  • the cavity of the injection mold is consistent with the shape of the product.
  • the temperature of the injection mold is controlled at 110°C, and the thermoplastic composite material is dried at 120°C for 4 hours.
  • the thermoplastic composite material Specifically, it is fiber-reinforced nylon 6 (or fiber-reinforced nylon 66), and then plasticized at high temperature in the screw of the injection molding machine.
  • the temperature of the nozzle is controlled at 290°C. Carry out two stages of holding pressure, the first holding pressure is 60bar, and the holding pressure is 15s, the second holding pressure is 50bar, and the holding pressure is 10s. After cooling, a light-weight and heavy-duty commercial vehicle stabilizer bar and boom assembly is obtained. .
  • the commercial vehicle stabilizer bar suspender assembly with light weight and large load prepared by the present invention has a weight of 1.8kg, which is 48% lighter than the prototype (cast iron 3.48kg), and the ultimate tensile and compressive loads are all greater than 50kN, compared with the technical It is required to be greater than 25kN, with a safety factor of 2 times.
  • a light-weight and heavy-duty commercial vehicle stabilizer bar suspension rod assembly of the present invention includes a composite material rod body 2 and a reinforcement body 3, and the reinforcement body 3 includes a plurality of reinforcement body segments 31, composite
  • One end of the material rod body 2 is provided with a first sleeve 1
  • the first sleeve 1 is provided with a first bushing 4
  • the other end of the composite material rod body 2 is provided with a connecting fork 5, and the ends of the two fork teeth of the connecting fork 5
  • the second sleeve 6 and the third sleeve 7 are respectively provided on the part
  • the second sleeve 6 is provided with the second bushing 8
  • the third sleeve 7 is provided with the third bushing 9
  • the inner edge of the composite rod body 2 is
  • Two fourth bushings 10 are arranged in the length direction of the rod body, a reinforcement segment 31 is wound between the first bushing 4 and the adjacent fourth bushing 10 , and a reinforcing body segment 31 is wound
  • multiple reinforcement segments 31 are integrally formed by winding continuous glass fiber E-glass.
  • the first bush 4 is provided with a fifth bush 11 , as shown in FIG. 4 , the fifth bush 11 includes an outer tube 113 , a rubber tube 112 and an inner tube 111 sequentially arranged from outside to inside.
  • the second bush 8 , the third bush 9 and the fourth bush 10 are all metal annular bushes.
  • the inner wall of the outer tube 113 is vulcanized connected to the outer wall of the rubber tube 112
  • the inner wall of the rubber tube 112 is vulcanized connected to the outer wall of the inner tube 111
  • both the outer tube 113 and the inner tube 111 are metal tubes.
  • the axis of the outer tube 113 coincides with the axis of the inner tube 111 .
  • the composite rod body 2 is a thermosetting resin composite rod body.
  • the fiber is surface-treated (soaked) with a silane coupling agent with a hydrophilic functional group, and the surface-treated glass fiber is wound between the first bush 4 and the adjacent fourth bush 10, Between two adjacent fourth bushes 10, between the second bush 8 and the adjacent fourth bush 10, between the third bush 9 and the adjacent fourth bush 10, the way of winding It is uninterrupted winding (that is, continuous winding).
  • a plurality of reinforcing body segments 31 wrapped around each bushing are formed to form an intermediate body composed of the reinforcing body 3 and the bushing, and then the pouring auxiliary material is laid in the pouring mold. (that is, vacuum bag film, diversion net, release cloth, perforated isolation film, rubber injection tube, etc., are conventional methods);
  • the weight of the commercial vehicle stabilizer bar boom assembly with light weight and large load prepared by the present invention is 1.65kg, which is nearly 53% lighter than the prototype (cast iron 3.48kg), and the ultimate tensile and compressive loads are all greater than 60kN, which is greater than the technical requirements. 25kN, with a safety factor of 2.4 times.
  • continuous fibers are used for segmental winding, and thermosetting resin is integrally poured into the mold.
  • thermosetting resin is integrally poured into the mold.
  • the continuous fibers need to be treated with a silane coupling agent with hydrophilic functional groups in advance, so that the surface of the continuous fibers undergoes a chemical reaction, ensuring Effect of impregnation of continuous fibers with thermosetting resins.
  • metal materials such as steel wires and iron wires are used for segmental winding and thermoplastic engineering plastics for mixed injection molding
  • metal materials such as steel wires and iron wires also need to be surface treated with silane coupling agents with amino groups before winding, so that the metal materials and Thermoplastic engineering plastics have a stronger bond, and the bonded interface strength is greater than the tensile and shear strength of pure engineering plastics.
  • the buckle winding can be used to eliminate the influence of the joint on the mechanical properties, and when winding to prepare the intermediate, ensure that the tension is constant during the winding process for excellent durability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)

Abstract

L'invention concerne un ensemble de suspension de barre stabilisatrice pour véhicule utilitaire léger à forte charge et son procédé de préparation. L'ensemble de suspension de barre stabilisatrice comprend une tige en matériau composite (2) et un renfort (3). Le renfort (3) est une fibre ou un fil métallique et le renfort (3) comprend une pluralité de segments de renforcement (31). Un premier manchon (1) est disposé à une extrémité de la tige (2), et un deuxième manchon (6) et un troisième manchon (7) sont disposés à l'autre extrémité de la tige (2). Une première douille (4) est disposée dans le premier manchon (1), une deuxième douille (8) est disposée dans le deuxième manchon (6), une troisième douille (9) est disposée dans le troisième manchon (7) et au moins une quatrième douille (10) est disposée dans la tige (2). Lorsqu'une quatrième douille (10) est présente, un segment de renforcement (31) est enroulé entre la première douille (4) et la quatrième douille (10), et les segments de renforcement (31) sont respectivement enroulées entre la deuxième douille (8) et la quatrième douille (10) et entre la troisième douille (9) et la quatrième douille (10) ; et lorsqu'au moins deux quatrièmes douilles (10) sont présentes, les segments de renforcement (31) sont également enroulés entre deux quatrièmes douilles (10) adjacentes. Le procédé de préparation comprend le moulage par injection ou le moulage par coulée. L'ensemble de suspension de barre stabilisatrice présente les avantages d'un poids léger, d'une charge portante élevée, d'un degré de liberté de conception élevé, etc., et il peut être approprié pour des tiges ayant des longueurs plus longues et des structures plus complexes.
PCT/CN2022/076289 2021-10-29 2022-02-15 Ensemble de suspension de barre stabilisatrice pour véhicule utilitaire léger à forte charge et son procédé de préparation WO2023070990A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112022001858.5T DE112022001858T5 (de) 2021-10-29 2022-02-15 Gewichtsreduzierte und hochbelastbare Stabilisator-Koppelstangenanordnung für Nutzfahrzeug und deren Herstellungsverfahren

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Application Number Priority Date Filing Date Title
CN202111275847.7 2021-10-29
CN202111275847.7A CN113815376B (zh) 2021-10-29 2021-10-29 轻量化大载荷的商用车稳定杆吊杆总成及其制备方法

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WO2023070990A1 true WO2023070990A1 (fr) 2023-05-04

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DE (1) DE112022001858T5 (fr)
WO (1) WO2023070990A1 (fr)

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