CN105065429A - Light connecting rod for railway vehicle - Google Patents
Light connecting rod for railway vehicle Download PDFInfo
- Publication number
- CN105065429A CN105065429A CN201510457292.6A CN201510457292A CN105065429A CN 105065429 A CN105065429 A CN 105065429A CN 201510457292 A CN201510457292 A CN 201510457292A CN 105065429 A CN105065429 A CN 105065429A
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- rod
- connecting rod
- node
- described body
- rail vehicle
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Abstract
A light connecting rod for a railway vehicle comprises a rod body and joints arranged at the two ends of the rod body. The light connecting rod is characterized in that the rod body is made of a macromolecular composite material with epoxy resin as a matrix and high-strength fibers as enhancers; the rod body is molded through a winding process or a molding process; the weight of the rod body ranges from 8 kg to 12 kg, the tensile load is larger than 200 kN, and the length ranges from 200 mm to 500 mm. The light connecting rod for the railway vehicle can replace a connecting rod of a metal rod body of a bogie, the weight of the connecting rod is reduced, and the operation energy consumption of the vehicle is decreased.
Description
Technical field
The present invention relates to the connecting rod that rail vehicle truck uses, be specifically related to a kind of lightweight connecting rod used for rail vehicle, replace metallic rod body with the body of rod of composite high-molecular material, to reduce the weight of connecting rod, reduce the operation energy consumption of vehicle.
Background technique
Link assembly is applied on rail traffic vehicles bogie, and main structure comprises the body of rod and rubber nodal point, plays fixing and draw, is played the effect of antidetonation noise abatement simultaneously by rubber nodal point.According to the difference of its application and effect, rail traffic vehicles link assembly series products mainly comprises for vehicle traction and hangs two classes.
Traction class link assembly can be divided into for joining rails vehicular traffic framework and wheel right one be draw-bar assembly, and to connect two of framework and car body be draw-bar assembly.Wherein one is that the right traction of wheel and braking force are delivered on framework by draw-bar assembly in the process of the acceleration and deceleration of vehicle operating, and when vehicle smooth running, fast pulley is to the relative position with framework.Two be draw-bar then by trailing wheel to the traction be delivered on framework and braking force, be again delivered to car body from framework.One is be the comprehensive function of traction component product with two, and by right for three parts wheels of rail traffic vehicles, framework and car body link together closely, guarantee that vehicle is in acceleration and deceleration, power transmission during smooth running and smooth running.Hanging class link assembly is applied on rail vehicle truck, except the parts of main bearing load, also comprise such as gear-box, the functional parts such as motor, in the process of vehicle operating, each parts need the fixing and relative steady of holding position, therefore usually link together with link assembly and framework, wherein the connecting rod body of rod mainly bears weight load and accidental impulsive load, and rubber arthrosis reduces vibration amplitude and the frequency of parts.Position when such link assembly can be installed according to it again, divides into suspension rod (vertically placing), two kinds, pull bar (horizontal positioned or slant setting).
According to current link assembly product related Chinese and foreign standards, link assembly is mainly based on the node of the body of rod of metallic material and metal-rubber composite material, connection-rod body section is according to different loads size, the difference of load characteristic and molding mode, mainly circle can be divided into, rectangular, I-shaped three kinds of structures.Wherein forging adopts circular cross section usually, and plate cutting adopts rectangular cross section usually, and casting adopts I-shaped cross section usually.
What the speed run along with rail traffic vehicles and vehicle riding comfort required improves constantly, and also propose more and more higher requirement to the product of rail traffic vehicles link assembly, wherein lightweight is one of them technology trends.At present, the interior trim of rail traffic vehicles, the parts such as car body adopt the means such as light metal alloy, polymer composite constantly to reduce the weight of vehicle one after another, therefore, how by selecting non-metallic component to manufacture bogie link assembly, and form the manufacturing process of batch and quality control method is problem demanding prompt solution in system unit product development process.
Summary of the invention
The invention provides a kind of lightweight connecting rod used for rail vehicle, replace the connecting rod of metallic rod body on bogie, reduce the weight of connecting rod, reduce the operation energy consumption of vehicle.
In order to achieve the above object, the technical solution used in the present invention is: lightweight connecting rod used for rail vehicle, comprise the body of rod and the node being contained in body of rod two ends, it is characterized in that the height point composite of the described body of rod strengthening agent that is that to take epoxy resin as matrix high-intensity fiber be, the described body of rod adopt winding process or mould pressing process shaping, the weight of the body of rod is 8kg ~ 12kg, tension load is greater than 200kN, and length is 200mm ~ 500mm.
Preferably, the described body of rod is hollow tubular, and the described body of rod adopts winding process shaping, and the internal diameter of the described body of rod is 30mm ~ 40mm, and external diameter is 40mm ~ 50mm.
Preferably, described high-intensity fiber selects epoxy resin fiber and/or carbon fiber.
Preferably, described node comprises metal ball-head and rubber arthrosis, described rubber arthrosis interference is fitted in metal ball-head, the connecting end of described metal ball-head is stretched in the described body of rod and is gluedd joint by bicomponent epoxy resin viscose glue and the body of rod, and the adhesion strength of described metal ball-head and body of rod adhesive surface is 25Mpa ~ 35Mpa, tension load is 210kN ~ 220kN.
Preferably, the corresponding machining face for increasing splicing area is provided with at the connecting end outer surface of described metal ball-head and the internal surface at body of rod two ends.
Preferably, the described body of rod is solid construction, the cross section of the body of rod is rectangular, the body of rod adopts mould pressing process shaping, the area of body of rod cross section is 30mm × 40mm ~ 40mm × 50mm, the both sides of the described body of rod have node press mounting hole, and described node is rubber nodal point, and described node interference is fitted in node press mounting hole.
Preferably, described high-intensity fiber selects glass fibre and/or carbon fiber.
Preferably, first form the skeleton of the body of rod in the forming process of the described body of rod with the wiring of high-intensity fiber silk, the skeleton size of the described body of rod increases with the cross-sectional dimension of the body of rod and the increase of tensile strength.
Preferably, the tension load of the described body of rod is greater than 220kN.
The invention has the beneficial effects as follows:
One, lightweight: in connecting rod of the present invention, the weight of the body of rod is 8kg ~ 12kg, the general weight of metallic rod body of the connecting rod on existing rail vehicle truck is 20-30kg, and therefore the body of rod of connecting rod of the present invention reaches 60% than the metallic rod body loss of weight ratio with size.
Two, technique is simple: the height point composite of in the present invention, the body of rod is to take epoxy resin as matrix high-intensity fiber be strengthening agent, the body of rod by winding process or mould pressing process shaping, the body of rod after shaping and node population form connecting rod, the moulding process of the body of rod is simple, according to the moulding process that the structure choice of the body of rod is applicable to, according to the requirement of strength of the body of rod, the ratio of adjustment macromolecule composite epoxy resin and high-intensity fiber makes the tension load of the body of rod be greater than 200KN, meets the requirement of rail vehicle safe operation.
Three, reduce vehicle operating energy consumption, the body of rod of connecting rod of the present invention adopts macromolecule composite, and weight is 40% of the metal species body of rod, alleviates the load weight of bogie during vehicle operating, reduces vehicle operating energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of connecting rod in embodiment one.
Fig. 2 is the structural representation of the body of rod in embodiment one.
Fig. 3 is the structural representation that in embodiment one, metal ball-head and the body of rod glued joint.
Fig. 4 is the structural representation of rubber arthrosis in embodiment one.
Fig. 5 is the structural representation of connecting rod in embodiment two.
Fig. 6 is the structural representation of the body of rod in embodiment two.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
Embodiment one:
As shown in Figures 1 to 4, lightweight connecting rod used for rail vehicle, comprise the body of rod 1 and the metal ball-head 21 being contained in the body of rod 1 two ends, described rubber arthrosis 22 interference is fitted in metal ball-head 21, the height point composite of the described body of rod 1 is to take epoxy resin as matrix high-intensity fiber be strengthening agent, and the described body of rod 1 is hollow tubular, the described body of rod 1 adopts winding process shaping, the internal diameter of the described body of rod 1 is 30mm ~ 40mm, and external diameter is 40mm ~ 50mm, and length is 200mm ~ 500mm.The weight of the body of rod 1 is 8kg ~ 12kg, tension load is greater than 200kN.The connecting end of described metal ball-head 21 is stretched in the described body of rod 1 and is gluedd joint by bicomponent epoxy resin viscose glue and the body of rod 1, and described metal ball-head 21 and the adhesion strength of the body of rod 1 adhesive surface are 25Mpa ~ 35Mpa, tension load is 210kN ~ 220kN.
The manufacture process of above-described lightweight connecting rod used for rail vehicle is:
First, the body of rod 1 of hollow tubular is manufactured by winding shaping process, the size of the body of rod 1 carries out designing the internal diameter of the body of rod 1 making to produce within the scope of 30mm ~ 40mm according to the installation requirement of connecting rod and the load of bearing, external diameter is in the scope of 40mm ~ 50mm, and length is in the scope of 200mm ~ 500mm.The raw material be wound around comprise epoxy resin-base and high-strength dose of high-intensity fiber, high-intensity fiber can need to select epoxy resin fiber and carbon fiber according to the intensity of connecting rod, according to Wet Winding Process machine technique, the interior fiber reeled off raw silk from cocoons is carried out dividing sinker by Bobbin and tension controller and controls tension force, simultaneously by placing epoxy resin-base (liquid constant temperature 50-80 DEG C), fiber and epoxy resin are infiltrated, by the dolly of side-to-side movement and the core that pivots, when body of rod length slightly in short-term, adopt metal core to be wound around; When body of rod length is slightly long, employing can be melted core and is wound around.By the Wiring apparatus that PLC controls, be wound around according to the winding program of setting.After winding completes, carrying out hot setting and the demoulding, the obtained body of rod 1.
Then, mechanical process is carried out to the internal surface at the body of rod 1 two ends, mechanical process is carried out to Metal Ball glue 21 connecting end outer surface, make the body of rod 1 two ends inner surface structure corresponding with the structure of metal spherical hinge 21 connecting end outer surface, to increase the splicing area of metal spherical hinge 21 connecting end and the body of rod 1 two ends internal surface, the multiaspect water chestnut post shapes that the adhesive surface of metal spherical hinge 21 and the body of rod 1 can be processed into corresponding screw thread form, male-female shape or socket-connect.
3rd, use bicomponent epoxy resin metal spherical hinge 21 to be glued to the two ends of the body of rod 1, described metal ball-head 21 and the body of rod 1 adhesive surface adhesion strength reaches 25Mpa ~ 35Mpa, tension load reaches 210kN ~ 220kN.
Finally, rubber arthrosis 22 interference is fitted in metal ball-head 21, completes the manufacture of above-described lightweight connecting rod used for rail vehicle.
Embodiment two:
Lightweight connecting rod used for rail vehicle as shown in Figure 5 and Figure 6, the height point composite of the described body of rod 1 is to take epoxy resin as matrix high-intensity fiber be strengthening agent, the body of rod 1 is solid construction, the cross section of the body of rod 1 is rectangular, the body of rod 1 adopts mould pressing process shaping, the length of the body of rod 1 is 200mm ~ 500mm, the area of the body of rod 1 cross section is 30mm × 40mm ~ 40mm × 50mm, the both sides of the described body of rod 1 have node press mounting hole 11, described node 2 is rubber nodal point, and described node 2 interference is fitted in node press mounting hole 11.The tension load of the described body of rod 1 is greater than 220kN.
Manufacture above-mentioned lightweight connecting rod used for rail vehicle, first form the skeleton identical with the body of rod 1 structure with the high-intensity fiber silk wiring having infiltrated epoxy resin, described high-intensity fiber can select glass fibre and carbon fiber.Wherein the size of skeleton that formed of high-intensity fiber silk wiring is fixed with the cross-section area of the body of rod 1 and requirement of strength, and the size of the high then body of rod 1 skeleton of the large requirement of strength of cross-section area is large, and the consumption of high-intensity fiber silk is just many.Skeleton is put into the mould of the body of rod 1 and is injected epoxy resin liquid to mould after drying, and obtains the body of rod 1 by stamping technique, the body of rod 1 manufacture shaping after, node 2 is press-fited in the node press mounting hole 11 at the press-in body of rod 1 two ends by interference, completes the manufacture of connecting rod.
The weight of embodiment one and the body of rod described in embodiment two 1 is 8kg ~ 12kg, and the general weight of metallic rod body of the connecting rod on existing rail vehicle truck is 20-30kg, and the body of rod 1 reaches 60% than the metallic rod body loss of weight ratio with size.The height point composite of the body of rod 1 is to take epoxy resin as matrix high-intensity fiber be strengthening agent, the body of rod by winding process or mould pressing process shaping, the body of rod after shaping and node 2 are assembled and are formed connecting rod, the moulding process of the body of rod 1 is simple, according to the moulding process that the structure choice of the body of rod 1 is applicable to, according to the requirement of strength of the body of rod, the ratio of adjustment macromolecule composite epoxy resin and high-intensity fiber makes the tension load of the body of rod be greater than 200KN, meets the requirement of rail vehicle safe operation.The body of rod of connecting rod 1 adopts macromolecule composite, and weight is 40% of the metal species body of rod, alleviates the load weight of bogie during vehicle operating, reduces vehicle operating energy consumption.
Below by reference to the accompanying drawings complete description is carried out to the technological scheme of embodiments of the invention, it should be noted that described embodiment is only a part of embodiment of the present invention.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, belongs to the scope of protection of the invention.
Claims (9)
1. lightweight connecting rod used for rail vehicle, comprise the body of rod (1) and be contained in the node (2) at the body of rod (1) two ends, it is characterized in that the height point composite of the described body of rod (1) strengthening agent that is that to be matrix high-intensity fiber with epoxy resin be, the described body of rod (1) adopt winding process or mould pressing process shaping, the weight of the body of rod (1) is 8kg ~ 12kg, tension load is greater than 200kN, and length is 200mm ~ 500mm.
2. lightweight connecting rod used for rail vehicle according to claim 1, it is characterized in that the described body of rod (1) is hollow tubular, the described body of rod (1) adopts winding process shaping, and the internal diameter of the described body of rod (1) is 30mm ~ 40mm, and external diameter is 40mm ~ 50mm.
3. lightweight connecting rod used for rail vehicle according to claim 2, is characterized in that described high-intensity fiber selects epoxy resin fiber and/or carbon fiber.
4. lightweight connecting rod used for rail vehicle according to claim 3, it is characterized in that described node (2) comprises metal ball-head (21) and rubber arthrosis (22), described rubber arthrosis (22) interference is fitted in metal ball-head (21), the connecting end of described metal ball-head (21) is stretched in the described body of rod (1) and is gluedd joint by bicomponent epoxy resin viscose glue and the body of rod (1), and described metal ball-head (21) and the adhesion strength of the body of rod (1) adhesive surface are 25Mpa ~ 35Mpa, tension load is 210kN ~ 220kN.
5. lightweight connecting rod used for rail vehicle according to claim 4, is characterized in that being provided with the corresponding machining face for increasing splicing area at the connecting end outer surface of described metal ball-head (21) and the internal surface at the body of rod (1) two ends.
6. track lightweight connecting rod according to claim 1, it is characterized in that the described body of rod (1) is solid construction, the cross section of the body of rod (1) is rectangular, the body of rod (1) adopts mould pressing process shaping, the area of the body of rod (1) cross section is 30mm × 40mm ~ 40mm × 50mm, the both sides of the described body of rod (1) have node press mounting hole (11), and described node (2) is rubber nodal point, and described node (2) interference is fitted in node press mounting hole (11).
7. track lightweight connecting rod according to claim 6, is characterized in that described high-intensity fiber selects glass fibre and/or carbon fiber.
8. track lightweight connecting rod according to claim 7, it is characterized in that the skeleton first forming the body of rod (1) in the forming process of the described body of rod (1) with the wiring of high-intensity fiber silk, the skeleton size of the described body of rod (1) increases with the cross-sectional dimension of the body of rod (1) and the increase of tensile strength.
9. track lightweight connecting rod according to claim 8, is characterized in that the tension load of the described body of rod (1) is greater than 220kN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457292.6A CN105065429A (en) | 2015-07-30 | 2015-07-30 | Light connecting rod for railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457292.6A CN105065429A (en) | 2015-07-30 | 2015-07-30 | Light connecting rod for railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105065429A true CN105065429A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510457292.6A Pending CN105065429A (en) | 2015-07-30 | 2015-07-30 | Light connecting rod for railway vehicle |
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| CN (1) | CN105065429A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454532A (en) * | 2019-08-29 | 2019-11-15 | 株洲时代新材料科技股份有限公司 | A kind of nonlinear variable-stiffness compounded rubber backstop method and compounded rubber backstop |
| CN110566569A (en) * | 2019-09-25 | 2019-12-13 | 博戈橡胶塑料（株洲）有限公司 | Manufacturing method of lightweight joint with rubber metal spherical hinge |
| CN110594329A (en) * | 2019-09-25 | 2019-12-20 | 博戈橡胶塑料（株洲）有限公司 | Elastic connecting rod light-weight method with rubber metal spherical hinge |
| CN110725853A (en) * | 2018-07-17 | 2020-01-24 | 通用汽车环球科技运作有限责任公司 | Connecting rod and method for manufacturing connecting rod |
| WO2021052038A1 (en) * | 2019-09-20 | 2021-03-25 | 博戈橡胶塑料（株洲）有限公司 | Split-type composite lightweight connecting rod assembly and manufacturing method therefor |
| WO2021224061A1 (en) * | 2020-05-04 | 2021-11-11 | Siemens Mobility GmbH | Assembly for transmitting longitudinal forces in a rail vehicle |
| CN115008133A (en) * | 2022-06-16 | 2022-09-06 | 常州启赋安泰复合材料科技有限公司 | Composite material tension and compression bar and manufacturing method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725853A (en) * | 2018-07-17 | 2020-01-24 | 通用汽车环球科技运作有限责任公司 | Connecting rod and method for manufacturing connecting rod |
| CN110454532A (en) * | 2019-08-29 | 2019-11-15 | 株洲时代新材料科技股份有限公司 | A kind of nonlinear variable-stiffness compounded rubber backstop method and compounded rubber backstop |
| CN110454532B (en) * | 2019-08-29 | 2021-06-25 | 株洲时代瑞唯减振装备有限公司 | Nonlinear variable-stiffness composite rubber stop method and composite rubber stop |
| WO2021052038A1 (en) * | 2019-09-20 | 2021-03-25 | 博戈橡胶塑料（株洲）有限公司 | Split-type composite lightweight connecting rod assembly and manufacturing method therefor |
| CN110566569A (en) * | 2019-09-25 | 2019-12-13 | 博戈橡胶塑料（株洲）有限公司 | Manufacturing method of lightweight joint with rubber metal spherical hinge |
| CN110594329A (en) * | 2019-09-25 | 2019-12-20 | 博戈橡胶塑料（株洲）有限公司 | Elastic connecting rod light-weight method with rubber metal spherical hinge |
| WO2021224061A1 (en) * | 2020-05-04 | 2021-11-11 | Siemens Mobility GmbH | Assembly for transmitting longitudinal forces in a rail vehicle |
| CN115008133A (en) * | 2022-06-16 | 2022-09-06 | 常州启赋安泰复合材料科技有限公司 | Composite material tension and compression bar and manufacturing method thereof |
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Application publication date: 20151118 |