CN109895861B - Vehicle and front wall skeleton thereof - Google Patents

Vehicle and front wall skeleton thereof Download PDF

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Publication number
CN109895861B
CN109895861B CN201711299026.0A CN201711299026A CN109895861B CN 109895861 B CN109895861 B CN 109895861B CN 201711299026 A CN201711299026 A CN 201711299026A CN 109895861 B CN109895861 B CN 109895861B
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Prior art keywords
collision
plate
skeleton
frame
vertical beam
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CN201711299026.0A
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CN109895861A (en
Inventor
武帅京
崔崇桢
李建平
管国朋
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Yutong Bus Co Ltd
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Yutong Bus Co Ltd
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Abstract

The invention relates to a vehicle and a front wall skeleton thereof. The vehicle comprises a cab chassis and a front wall framework connected with the cab chassis, wherein the front wall framework comprises a framework frame, the framework frame comprises a left vertical beam and a right vertical beam which are positioned at the front end of the framework frame, and an anti-collision beam is further connected between the left vertical beam and the right vertical beam at the upper position of the cab chassis. The beneficial effects are that: the anti-collision beam is positioned on the upper part of the chassis of the cab, and can play a role in protecting the vehicle body when the vehicle collides with the vehicle with higher vehicle body, so that the safety of front drivers and passengers is effectively ensured.

Description

Vehicle and front wall skeleton thereof
Technical Field
The invention belongs to the technical field of vehicles, and particularly relates to a vehicle and a front wall framework thereof.
Background
The probability of occurrence of a frontal collision is highest among traffic accidents occurring in a passenger car. In the case of a frontal collision of a passenger car, it is required to provide an anti-collision structure in the front of the passenger car in order to protect the safety of passengers in the car. It is counted that in a front collision accident of a passenger car, the passenger car is most hurt by the death of the person caused by the collision of the passenger car and a truck. This is mainly because the crashproof structure on the preceding skeleton of enclose of current passenger train mostly sets up in the anterior lower position of passenger train, in case take place the frontal collision with such higher vehicle of automobile body of truck, preceding skeleton can not play the guard action to the preceding skeleton of enclosing of current passenger train receives and can take place to warp by a wide margin towards the car direction after strongly striking, invades preceding driver and passenger space, easily causes the damage to preceding passenger.
Disclosure of Invention
The invention aims to provide a front wall framework with good protection effect in high-level collision; the invention also aims to provide a vehicle provided with the front wall framework.
In order to achieve the above purpose, the technical scheme of the front wall skeleton of the invention is as follows:
technical scheme 1: the front wall framework comprises a framework frame, wherein the framework frame comprises a left vertical beam and a right vertical beam which are positioned at the front ends of the framework frame, the lower ends of the left vertical beam and the right vertical beam are provided with connecting sections used for being connected with a chassis of a cab, and an anti-collision beam is further connected between the left vertical beam and the right vertical beam at the upper position of the connecting sections.
The beneficial effects are that: the anti-collision beam is positioned on the upper part of the chassis of the cab, and can play a role in protecting the vehicle body when the vehicle collides with the vehicle with higher vehicle body, so that the safety of front drivers and passengers is effectively ensured.
Technical scheme 2: on the basis of the technical scheme 1, the anti-collision beam comprises a middle anti-collision beam and an upper anti-collision beam positioned on the upper part of the middle anti-collision beam. The anti-collision beam comprises a middle anti-collision beam and an upper anti-collision beam, and the two anti-collision beams can play a better role in protection.
Technical scheme 3: on the basis of the technical scheme 2, the anti-collision beam is a forward-protruding arched beam. When the anti-collision beam collides, the front convex arched beam can deform backwards, which is beneficial to enhancing the protection effect of the anti-collision beam.
Technical scheme 4: on the basis of the technical scheme 3, the skeleton frame further comprises a sealing plate positioned at the rear side of the anti-collision beam. When the vehicle collides with the front surface, the sealing plate can absorb collision energy, so that deformation of the front wall framework is reduced; simultaneously the shrouding helps preventing that air from getting into the driver's cabin, promotes driving comfort level.
Technical scheme 5: on the basis of the technical scheme 4, the sealing plate comprises a vertical plate which is vertically arranged and a horizontal plate which horizontally extends and is in fit and butt joint with the inner side face of the upper anti-collision beam. The structure that sets up the horizontal plate on the riser is adopted to the shrouding helps reinforcing shrouding to absorb the effect of collision energy.
Technical scheme 6: on the basis of the technical scheme 5, the horizontal plate is provided with horizontal reinforcing ribs, and the vertical plate is provided with vertical reinforcing ribs. The reinforcing ribs help to quickly transfer the upper collision force downwards, and simultaneously can improve the bending moment resistance of the sealing plate.
Technical scheme 7: on the basis of the technical scheme 4, the rear side of the sealing plate is provided with a collision stop structure for reducing deformation, the collision stop structure comprises a net rack formed by connecting cross beams and vertical beams, and the rear side of the net rack is provided with a diagonal bracing for fixedly connecting with a frame. The grid-shaped collision stop structure has strong bending moment resistance, and is beneficial to reducing the backward invasion amount of the front anti-collision part of the collision stop structure.
Technical scheme 8: on the basis of any one of the technical schemes 1-7, the anti-collision beam comprises a carbon fiber plate and a steel plate, the structure of the steel plate is arc-shaped, and one convex side of the steel plate is provided with the carbon fiber plate. The carbon fiber plate is additionally arranged on the outer side of the steel plate, so that the strength of the anti-collision beam is enhanced.
Technical scheme 9: on the basis of any one of the technical schemes 1-7, the skeleton frame further comprises a door-shaped frame positioned at the rear sides of the left vertical beam and the right vertical beam, and the door-shaped frame is connected with the left vertical beam and the right vertical beam through horizontal beams. The back end gate frame further enhances the skeletal frame strength.
The technical scheme of the vehicle is as follows:
technical scheme 1: a vehicle comprises a cab chassis and a front wall framework connected with the cab chassis, wherein the front wall framework comprises a framework frame, the framework frame comprises left and right vertical beams positioned at the front end of the framework frame, and an anti-collision beam is further connected between the left and right vertical beams at the upper position of the cab chassis.
The beneficial effects are that: the anti-collision beam is positioned on the upper part of the chassis of the cab, and can play a role in protecting the vehicle body when the vehicle collides with the vehicle with higher vehicle body, so that the safety of front drivers and passengers is effectively ensured.
Technical scheme 2: on the basis of the technical scheme 1, the anti-collision beam comprises a middle anti-collision beam and an upper anti-collision beam positioned on the upper part of the middle anti-collision beam. The anti-collision beam comprises a middle anti-collision beam and an upper anti-collision beam, and the two anti-collision beams can play a better role in protection.
Technical scheme 3: on the basis of the technical scheme 2, the anti-collision beam is a forward-protruding arched beam. When the anti-collision beam collides, the front convex arched beam can deform backwards, which is beneficial to enhancing the protection effect of the anti-collision beam.
Technical scheme 4: on the basis of the technical scheme 3, the skeleton frame further comprises a sealing plate positioned at the rear side of the anti-collision beam. When the vehicle collides with the front surface, the sealing plate can absorb collision energy, so that deformation of the front wall framework is reduced; simultaneously the shrouding helps preventing that air from getting into the driver's cabin, promotes driving comfort level.
Technical scheme 5: on the basis of the technical scheme 4, the sealing plate comprises a vertical plate which is vertically arranged and a horizontal plate which horizontally extends and is in fit and butt joint with the inner side face of the upper anti-collision beam. The structure that sets up the horizontal plate on the riser is adopted to the shrouding helps reinforcing shrouding to absorb the effect of collision energy.
Technical scheme 6: on the basis of the technical scheme 5, the horizontal plate is provided with horizontal reinforcing ribs, and the vertical plate is provided with vertical reinforcing ribs. The reinforcing ribs help to quickly transfer the upper collision force downwards, and simultaneously can improve the bending moment resistance of the sealing plate.
Technical scheme 7: on the basis of the technical scheme 4, the rear side of the sealing plate is provided with a collision stop structure for reducing deformation, the collision stop structure comprises a net rack formed by connecting cross beams and vertical beams, and the rear side of the net rack is provided with a diagonal bracing for fixedly connecting with a frame. The grid-shaped collision stop structure has strong bending moment resistance, and is beneficial to reducing the backward invasion amount of the front anti-collision part of the collision stop structure.
Technical scheme 8: on the basis of any one of the technical schemes 1-7, the anti-collision beam comprises a carbon fiber plate and a steel plate, the structure of the steel plate is arc-shaped, and one convex side of the steel plate is provided with the carbon fiber plate. The carbon fiber plate is additionally arranged on the outer side of the steel plate, so that the strength of the anti-collision beam is enhanced.
Technical scheme 9: on the basis of any one of the technical schemes 1-7, the skeleton frame further comprises a door-shaped frame positioned at the rear sides of the left vertical beam and the right vertical beam, and the door-shaped frame is connected with the left vertical beam and the right vertical beam through horizontal beams. The back end gate frame further enhances the skeletal frame strength.
Drawings
Fig. 1 is a schematic structural view of a cowl skeleton in an embodiment of a vehicle of the invention;
FIG. 2 is an exploded view of the structure of the cowl skeleton in an embodiment of the vehicle of the invention;
FIG. 3 is a schematic structural view of an upper impact beam in an embodiment of the vehicle of the present invention;
FIG. 4 is a schematic structural view of a closure plate in an embodiment of the vehicle of the present invention;
in the accompanying drawings: 1. an upper anti-collision beam; 11. a carbon fiber plate; 12. a steel plate; 2. a middle anti-collision beam; 3. a sealing plate; 31. reinforcing ribs; 4. a collision cut-off structure; 5. a front section frame; 6. a front wall skeleton frame.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
In a specific embodiment of the vehicle of the present invention, as shown in fig. 1 to 4, a vehicle includes a front end frame fixedly connected to a front end frame, the front end frame including a front end frame 6, the front end frame 6 including an upper impact beam 1, a middle impact beam 2, a sealing plate 3, and an impact stop structure 4.
The front wall skeleton frame 6 in this embodiment is a door-shaped structure, and the front end of the front wall skeleton frame 6 has left and right vertical beams, and the upper ends of the left and right vertical beams are connected with cross beams. The rear end of the front wall skeleton frame 6 is also provided with a left vertical beam and a right vertical beam, and a cross beam is connected between the left vertical beam and the right vertical beam. The left vertical beam top of preceding wall skeleton anterior segment is connected through crooked roof beam with the left vertical beam top of rear end, and the right vertical beam top of preceding wall skeleton anterior segment is connected through crooked roof beam with the right vertical beam top of rear end, and preceding wall skeleton front end and rear end top form the chamfer, and the advantage of design like this is: when in use, the top of the cab can not store water or other dirt. Three cross bars are connected between the left vertical beam at the front end of the front wall framework frame 6 and the left vertical beam at the rear end, play a role in strengthening the strength of the front wall framework frame 6, and the bottom of the front wall framework is fixedly connected with a front section frame 5.
The upper anti-collision beam 1 in the embodiment is fixedly connected between left and right vertical beams at the front end of the front wall skeleton frame 6. The upper anti-collision beam 1 is located above the chassis of the cab, and is arranged so that the upper anti-collision beam 1 can play a role in protecting the vehicle body when the vehicle collides with the vehicle with a higher vehicle body. The upper anti-collision beam 1 comprises a carbon fiber plate 11 and a steel plate 12, wherein the carbon fiber plate 11 and the steel plate 12 are adhered together, and in other embodiments, the upper anti-collision beam 1 can be connected through bolts, and the carbon fiber plate 11 and the steel plate 12 are adhered to form the anti-bending moment capability of the upper anti-collision beam 1. The carbon fiber plates 11 on the anti-collision beam are of U-shaped structures, and the two ends of the U-shaped carbon fiber plates 11 are prolonged by 50mm to form pasting parts so as to be conveniently pasted on the left vertical beam and the right vertical beam at the front end of the front wall skeleton frame 6. The steel plate 12 in the upper anti-collision beam 1 is a steel plate 12 which is bent for a plurality of times, the steel plate 12 is welded with the left and right vertical beams at the front end of the front wall skeleton frame 6, and in other embodiments, the steel plate 12 can be connected by bolts.
The middle anti-collision beam 2 in the embodiment is an arched beam, two ends of the arched anti-collision beam 2 are respectively prolonged by 50mm so as to be welded with left and right vertical beams at the front end of the front wall skeleton frame 6, and in other embodiments, the arched middle anti-collision beam 2 can be connected to the left and right vertical beams at the front end of the front wall skeleton frame 6 through bolts. The middle anti-collision beam 2 is positioned below the upper anti-collision beam 1.
The collision stopping structure 4 in the embodiment is a net frame formed by connecting three cross beams and six vertical beams, the collision stopping structure 4 is inserted into the left vertical beam and the right vertical beam at the front end of the front wall skeleton frame 6 and welded with the left vertical beam and the right vertical beam, and the connection mode can improve the bending moment resistance of the collision stopping structure 4. The vertical beams in the collision cut-off structure 4 are through type vertical beams and are not cut off by the cross beams, and the vertical strength of the collision cut-off structure 4 is improved. The side of the collision cut-off structure 4 facing the inside of the front framework is provided with two diagonal braces, 1 or more diagonal braces in other embodiments can be fixedly connected to the vertical beams, the middle part of each diagonal brace is provided with a groove, and the grooves can be inserted into the front section frame 5. The diagonal brace and the frame are connected in a clamping and welding mode, so that the diagonal brace and the frame can be kept in a certain connection relation before welding, welding operation is facilitated, the welding process is good, the connection strength between the welded diagonal brace and the frame can be enhanced, and therefore when the diagonal brace bears strong collision, a welding seam between the diagonal brace and the frame is not easy to tear, and the using function of the diagonal brace is enhanced.
The shrouding 3 in this embodiment is the L-shaped board that falls, and the tip of the upper portion horizontal plate of shrouding 3 is in the same place with upper portion anticollision roof beam 1 welding, and the left and right both sides of shrouding 3 are in the same place with the welding of the left and right vertical roof beam of preceding enclose skeleton frame 6 front end respectively, and the vertical board of shrouding 3 is in the same place with collision stop structure 4 welding. In order to induce the sealing plate 3 to deform back and forth and absorb collision energy, a horizontal plate at the upper end of the sealing plate 3 is subjected to punching treatment. The vertical plate of shrouding 3 has 6 vertical strengthening ribs 31 that the interval set up, and strengthening rib 31 top is located shrouding 3 bight, and the energy that the setting of strengthening rib 31 was favorable to making collision produce is transmitted downwards along strengthening rib 31.
The embodiment of the front wall skeleton of the present invention is the same as the front wall skeleton in the embodiment of the vehicle of the present invention, and will not be described again.

Claims (10)

1. Enclose skeleton, its characterized in that before: including skeleton frame, skeleton frame is including being located the left and right vertical beam of its front end, and the lower extreme of left and right vertical beam has the linkage segment that is used for being connected with the driver's cabin chassis, is in between the left and right vertical beam the upper portion position of linkage segment still is connected with the crashproof roof beam, the crashproof roof beam includes middle part crashproof roof beam and the upper portion crashproof roof beam that is located middle part crashproof roof beam upper portion, the crashproof roof beam is the protruding arched beam in front, skeleton frame is still including being located the shrouding of crashproof roof beam rear side, the shrouding rear side is equipped with the collision structure that cuts off that is used for reducing the deflection, the collision is cut off the structure and is including the rack that is connected into by crossbeam and vertical beam, the rack rear side is equipped with the bracing that is used for with frame fixed connection.
2. The cowl skeleton according to claim 1, wherein: the sealing plate comprises a vertical plate which is vertically arranged, and a horizontal plate which horizontally extends and is in fit connection with the inner side surface of the upper anti-collision beam.
3. The cowl skeleton according to claim 2, wherein: the horizontal plate is provided with horizontal reinforcing ribs, and the vertical plate is provided with vertical reinforcing ribs.
4. The cowl skeleton according to any one of claims 1 to 3, wherein: the anti-collision beam comprises a carbon fiber plate and a steel plate, wherein the steel plate is arched in structure, and the carbon fiber plate is arranged on one convex side of the steel plate.
5. The cowl skeleton according to any one of claims 1 to 3, wherein: the skeleton frame also comprises a door-shaped frame positioned at the rear sides of the left vertical beam and the right vertical beam, and the door-shaped frame is connected with the left vertical beam and the right vertical beam through horizontal beams.
6. The vehicle, including the cab chassis and with the preceding girth skeleton that cab chassis is connected, its characterized in that: the front wall skeleton comprises a skeleton frame, the skeleton frame is including being located left and right vertical beam of its front end, and left and right vertical beam is between the upper position on driver's cabin chassis still is connected with the crashproof roof beam, the crashproof roof beam includes middle part crashproof roof beam and is located the upper portion crashproof roof beam on middle part crashproof roof beam upper portion, the crashproof roof beam is the protruding arched beam in front, the skeleton frame is still including being located the shrouding of crashproof roof beam rear side, the shrouding rear side is equipped with the collision structure that cuts off that is used for reducing the deflection, the collision is cut off the structure and is included the rack that is connected into by crossbeam and vertical beam, the rack rear side is equipped with the bracing that is used for with frame fixed connection.
7. The vehicle according to claim 6, characterized in that: the sealing plate comprises a vertical plate which is vertically arranged, and a horizontal plate which horizontally extends and is in fit connection with the inner side surface of the upper anti-collision beam.
8. The vehicle according to claim 7, characterized in that: the horizontal plate is provided with horizontal reinforcing ribs, and the vertical plate is provided with vertical reinforcing ribs.
9. The vehicle according to any one of claims 6 to 8, characterized in that: the anti-collision beam comprises a carbon fiber plate and a steel plate, wherein the steel plate is arched in structure, and the carbon fiber plate is arranged on one convex side of the steel plate.
10. The vehicle according to any one of claims 6 to 8, characterized in that: the skeleton frame also comprises a door-shaped frame positioned at the rear sides of the left vertical beam and the right vertical beam, and the door-shaped frame is connected with the left vertical beam and the right vertical beam through horizontal beams.
CN201711299026.0A 2017-12-08 2017-12-08 Vehicle and front wall skeleton thereof Active CN109895861B (en)

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CN109895861B true CN109895861B (en) 2023-11-17

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113844547A (en) * 2020-06-28 2021-12-28 陕西重型汽车有限公司 Front end assembly of commercial vehicle cab
CN114802492B (en) * 2022-03-10 2023-07-28 江苏徐工工程机械研究院有限公司 Cab framework, cab and combine harvester

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CN205327181U (en) * 2016-01-21 2016-06-22 江阴市晨盛汽车附件有限公司 Enclose skeleton before passenger train high strength
CN205872199U (en) * 2016-08-10 2017-01-11 安徽安凯汽车股份有限公司 Enclose structure assembly before long -snouted school bus
CN106741188A (en) * 2015-11-20 2017-05-31 广州汽车集团股份有限公司 The collision protection system of body structure
CN207758880U (en) * 2017-12-08 2018-08-24 郑州宇通客车股份有限公司 A kind of vehicle and its front wall frame

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Publication number Priority date Publication date Assignee Title
JP2004314899A (en) * 2003-04-18 2004-11-11 Honda Motor Co Ltd Front car body structure
JP2008302911A (en) * 2007-06-11 2008-12-18 Mitsubishi Fuso Truck & Bus Corp Vehicle body structure
JP2012224216A (en) * 2011-04-20 2012-11-15 Suzuki Motor Corp Vehicle body front structure
CN202806637U (en) * 2012-04-25 2013-03-20 扬州亚星客车股份有限公司 Anti-collision device for passenger car
CN103754265A (en) * 2014-01-16 2014-04-30 湖南南车时代电动汽车股份有限公司 Full-bearing car body, method for manufacturing same and passenger car comprising full-bearing car body
CN106741188A (en) * 2015-11-20 2017-05-31 广州汽车集团股份有限公司 The collision protection system of body structure
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CN205872199U (en) * 2016-08-10 2017-01-11 安徽安凯汽车股份有限公司 Enclose structure assembly before long -snouted school bus
CN207758880U (en) * 2017-12-08 2018-08-24 郑州宇通客车股份有限公司 A kind of vehicle and its front wall frame

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