CN103693104A - Modularly connected light-weight frame main body - Google Patents

Modularly connected light-weight frame main body Download PDF

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Publication number
CN103693104A
CN103693104A CN201410021954.0A CN201410021954A CN103693104A CN 103693104 A CN103693104 A CN 103693104A CN 201410021954 A CN201410021954 A CN 201410021954A CN 103693104 A CN103693104 A CN 103693104A
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CN
China
Prior art keywords
bar
module
vehicle
frame
edge fit
Prior art date
Application number
CN201410021954.0A
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Chinese (zh)
Inventor
宗志坚
龙飞永
朱昊正
Original Assignee
东莞中山大学研究院
东莞三新电动汽车技术有限公司
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Application filed by 东莞中山大学研究院, 东莞三新电动汽车技术有限公司 filed Critical 东莞中山大学研究院
Priority to CN201410021954.0A priority Critical patent/CN103693104A/en
Publication of CN103693104A publication Critical patent/CN103693104A/en

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Abstract

The invention relates to the technical field of automobiles and in particular relates to a modularly connected light-weight frame main body. The modularly connected light-weight frame main body comprises an automobile underframe module, an automobile body frame module and an automobile top frame module each of which is respectively formed by joggling a plurality of longitudinal beams and a plurality of cross beams, wherein a plurality of insertion sleeves are arranged on the automobile underframe module; two sides of the automobile top frame module are connected with transferring beam structures; one end of each longitudinal beam of the automobile body frame module is inserted into each insertion sleeve of the automobile underframe module, and the other end of each longitudinal beam of the automobile body frame module is connected with each transferring beam structure; the longitudinal beams, the cross beams and the transferring beam structures are profile beams. Due to the arrangement of the connection structure, the modular design of a frame is realized; manufacturing and mounting are facilitated; the mounting precision is guaranteed, and the production cost is reduced; the modularly connected light-weight frame main body is attractive in appearance, so that light-weight of the frame is realized, and the safety standard is met.

Description

The lightweight main body of vehicle frame that a kind of modularization connects

Technical field

The present invention relates to automobile technical field, refer in particular to the lightweight main body of vehicle frame that a kind of modularization connects.

Background technology

Along with the scarcity day by day of earth oil resources, fuel price climbs up and up, and automobile quantity still continues to increase, and if things go on like this, inevitably will welcome an energy source of car crisis; And the discharge of vehicle exhaust, ball environment pollution is comparatively serious over the ground.Therefore with new-energy automobile, substitute traditional fuel-engined vehicle imperative, wherein electronlmobil be take vehicle power as power, relatively little to environmental concerns, and prospect is extensively had an optimistic view of.No matter be orthodox car or new-energy automobile, the lightweight of vehicle body is necessary, and the lightweight of auto body also becomes the main research direction of automotive field.Under the prerequisite of vehicle safety, as much as possible the complete vehicle quality of vehicle is alleviated guaranteeing, can improve its dynamic property, also can reduce consumption of fuel simultaneously and reduce exhaust pollution.Have and experimental results show that: if the complete vehicle quality of automobile is alleviated to 10%, fuel efficiency can promote 6~8%; If complete vehicle quality often alleviates 100kg, fuel consumption of 100km just can reduce by 0.3~0.6L; Especially for electronlmobil, due to the finite energy that battery carries, body lightening seems particularly important for electronlmobil.

As shown in Figure 1, prior art vehicle frame comprises under-carriage module 1, vehicle body frame module 2 and top holder module 3, and under-carriage module 1, vehicle body frame module 2 and top holder module 3 need joggle ring frame separately, to realize the integrated connection of vehicle frame.In order to improve bus body strength and rigidity, rod member quantity on prior art vehicle frame is more and more, structure is more and more numerous and diverse, causes that vehicle body increases the weight of, energy consumption increases; That rod member in existing body structure is arranged is chaotic, topological structure is unreasonable, has affected the performance of integral structure stress-bearing capability; Because topological structure is unreasonable, cause weld nugget to increase, manufacture difficulty strengthens, Frame Welding distortion increases, and extends the manufacturing cycle.To lightweight automobile, need to design a kind of simple in structure, lightweight, reach again the brand-new body shell of safety rate simultaneously.And structure cannot meet this three kinds of requirements at present simultaneously.

Summary of the invention

The vehicle frame that the object of the invention is to provide for the deficiencies in the prior art a kind of switching beam structure, it is simple in structure, and vehicle frame is realized modular design, be convenient to manufacture and install, guarantee to reduce production costs setting accuracy, and realize weight-saving and reach again safety rate simultaneously.

For achieving the above object, the lightweight main body of vehicle frame that a kind of modularization of the present invention connects, comprise under-carriage module, vehicle body frame module and top holder module, described each module is formed by some longerons, the mutual joggle of crossbeam respectively, described under-carriage module is provided with some grafting covers, the both sides of described top holder module are connected with switching beam structure, and longeron one end of described vehicle body frame module and the grafting of under-carriage module cover are pegged graft, and the longeron other end of described vehicle body frame module is connected with switching beam structure;

Described longeron, crossbeam, switching beam structure are section bar beam.

As preferably, described switching beam structure comprises crooked connection profile, and the both sides of described crooked connection profile are connected with respectively badger section bar and/or grab edge fit section bar, described badger section bar and/or grab edge fit section bar and crooked connection profile is one-body molded.

As preferably, at least one side of described crooked connection profile is connected with badger section bar, described badger section bar one side and crooked connection profile are one-body molded, the opposite side of badger section bar offers joggle hole, pegs graft in the joggle hole of the longeron of the crossbeam of described top holder module and/or vehicle body frame module and the badger section bar of switching beam structure.

As preferably, at least one side of described crooked connection profile is connected with grabs edge fit section bar, a described side and crooked connection profile of grabbing edge fit section bar is one-body molded, described opposite side of grabbing edge fit section bar is connected with column grappling fixture, and the column grappling fixture of grabbing edge fit section bar of the longeron of the crossbeam of described top holder module and/or vehicle body frame module and switching beam structure is pegged graft.

As preferably, described badger section bar mainly consists of two closed cavities, the closed cavity inside being connected with crooked connection profile is relatively set with joggle muscle, the lateral surface of described badger section bar offers the joggle hole with closed cavity internal communication, and the width in described joggle hole equates with the distance between joggle muscle.

As preferably, described in grab edge fit section bar and mainly by the section bar of a seal chamber, formed, described in grab edge fit section bar two sides be provided with draw-in groove; Described bottom end face of grabbing edge fit section bar is provided with T slot mouth.

As preferably, described column grappling fixture comprises grappling fixture portion and Plug Division, and described grappling fixture portion comprises two sidewalls and the diapire that is connected two described sidewalls, and two described sidewalls are provided with the claw hook of inside stretching, extension, and described diapire is provided with T shape pawl; Described Plug Division is connected in described diapire, grabs the draw-in groove of edge fit section bar two sides described in described claw hook clamping enters, and grabs the T slot mouth of the bottom end face of edge fit section bar described in the clamping of described T shape pawl enters.

As preferably, described column grappling fixture is fixed in the bottom of grabbing edge fit section bar by the first bolt; Described crooked connection profile offers opening with the junction of grabbing edge fit section bar, and captive nut is entered the inside of crooked connection profile and is spirally connected with the first bolt by opening; Peg graft mutually in longeron and the Plug Division of described vehicle body frame module, longeron is fixedly connected with by the second bolt with Plug Division.

As preferably, described grafting cover is welded in the edge of under-carriage module, and the longeron of vehicle body frame module interfixes by the 3rd bolt after pegging graft with the cover of pegging graft.

The lightweight main body of vehicle frame that a kind of modularization connects, by switching beam structure, realize the connection between vehicle body frame module and top holder module, under-carriage module is provided with some grafting covers, described vehicle body frame module is formed by some longerons, the mutual joggle of crossbeam, and the grafting cover of one end of the longeron of vehicle body frame module and under-carriage module is pegged graft; The other end of the longeron of described vehicle body frame module is connected with switching beam structure; By the setting of above-mentioned connection structure, make vehicle frame realize modular design, be convenient to manufacture and install, guarantee setting accuracy, reduce production costs, handsome in appearance; Longeron, crossbeam and switching beam structure are section bar beam, make vehicle frame realize weight-saving and reach again safety rate simultaneously.

Accompanying drawing explanation

Fig. 1 is the structural representation of the vehicle frame of prior art.

Fig. 2 is the structural representation of the lightweight main body of vehicle frame of modularization connection of the present invention.

Fig. 3 is the front view of the lightweight main body of vehicle frame of modularization connection of the present invention.

Fig. 4 is the Section View along A-A line in Fig. 3.

Fig. 5 is the enlarged diagram at B place in Fig. 3.

Fig. 6 is the Section View along C-C line in Fig. 5.

Fig. 7 is the decomposition texture schematic diagram of switching beam structure of the present invention.

Fig. 8 is the decomposition texture schematic diagram of the lightweight main body of vehicle frame of modularization connection of the present invention.

Reference numeral comprises:

1-under-carriage module 11-grafting cover, 2-vehicle body frame module

3-top holder module, 31-longeron, 32-crossbeam

4-switching beam structure 41-crooked connection profile 42-badger section bar

421-joggle muscle 43-grab edge fit section bar 431-T slot mouth

432-draw-in groove, 44-column grappling fixture, 441-grappling fixture portion

442-Plug Division, 443-sidewall, 444-diapire

445-claw hook, 446-T shape pawl the 51-the first bolt

52-captive nut, 6-the second bolt the 7-the three bolt.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is described in detail.

Embodiment mono-.

As shown in Figures 2 to 7, the lightweight main body of vehicle frame that a kind of modularization of the present invention connects, comprise under-carriage module 1, vehicle body frame module 2 and top holder module 3, described each module is formed by some longerons 31, the mutual joggle of crossbeam 32 respectively, described under-carriage module 1 is provided with some grafting covers 11, the both sides of described top holder module 3 are connected with switching beam structure 4, longeron 31 one end of described vehicle body frame module 2 and the grafting of under-carriage module 1 cover 11 are pegged graft, and longeron 31 other ends of described vehicle body frame module 2 are connected with switching beam structure 4; Described longeron 31, crossbeam 32, switching beam structure 4 are section bar beam.Switching beam structure 4 realizes the connection between vehicle body frame module 2 and top holder module 3, by the setting of above-mentioned connection structure, makes vehicle frame realize modular design, is convenient to manufacture and install, and guarantees setting accuracy, reduces production costs, handsome in appearance; Longeron 31, crossbeam 32 and switching beam structure 4 are section bar beam, and switching beam structure 4 is by monolithic extruded moulding, and mechanical property is good, make vehicle frame realize weight-saving and reach again safety rate simultaneously.

Described switching beam structure 4 comprises crooked connection profile 41, and the both sides of described crooked connection profile 41 are connected with respectively badger section bar 42 and/or grab edge fit section bar 43, described badger section bar 42 and/or to grab edge fit section bar 43 one-body molded with crooked connection profile 41.Described top holder module 3 is formed by some longerons 31, the mutual joggle of crossbeam 32.When the both sides of the crooked connection profile 41 of the present embodiment are connected with badger section bar 42, one side and the crooked connection profile 41 of described badger section bar 42 are one-body molded, the opposite side of badger section bar 42 offers joggle hole, and the crossbeam 32 of described top holder module 3 and the longeron 31 of vehicle body frame module 2 are pegged graft with the joggle hole of the badger section bar 42 of switching beam structure 4 respectively.

Crooked connection profile 41 both sides of the present embodiment are all connected with badger section bar 42, and the crossbeam 32 of top holder module 3 is pegged graft and formed combination roof with the joggle hole of the badger section bar 42 of switching beam structure 4.Described badger section bar 42 mainly consists of two closed cavities, the closed cavity inside being connected with crooked connection profile 41 is relatively set with joggle muscle 421, the lateral surface of described badger section bar 42 offers the joggle hole with closed cavity internal communication, and the width in described joggle hole equates with the distance between joggle muscle 421.The longeron 31 of vehicle body frame module 2 is pegged graft with the joggle hole of the badger section bar 42 of switching beam structure 4, make vehicle body frame module 2 realize and being connected with top holder module 3, under-carriage module 1 is overlapped 11 by grafting and is connected with the longeron 31 of vehicle body frame module 2, top holder module 3, vehicle body frame module 2 and under-carriage module 1 are combined into unitized frame, make vehicle frame form Modular assembled, simple in structure, be convenient to manufacture and install, guarantee setting accuracy, reduce production costs.This switching beam structure 44 is the main framing of vehicle frame, is again the attaching parts of each side of vehicle body, not only improves the mechanical property of vehicle frame, and is convenient to the assembling of vehicle frame, reduces production costs.

Described grafting cover 11 is welded in the edge of under-carriage module 1, the longeron 31 of vehicle body frame module 2 interfixes by the 3rd bolt 7 after pegging graft with the cover 11 of pegging graft, vehicle body frame module 2 is firmly connected with under-carriage module 1, meets the safety rate of vehicle frame, be convenient to the dismounting in later stage.

Embodiment bis-.

As shown in Fig. 7 to Fig. 8, the difference of the present embodiment and embodiment mono-is, crooked connection profile 41 both sides of the present embodiment are all connected with grabs edge fit section bar 43.A described side and crooked connection profile 41 of grabbing edge fit section bar 43 is one-body molded, the described other end of grabbing edge fit section bar 43 is connected with column grappling fixture 44, and the crossbeam 32 of described top holder module 3 and the longeron of vehicle body frame module 2 31 are pegged graft with the column grappling fixture of grabbing edge fit section bar 43 44 of switching beam structure 4.

Top holder module 3 is formed by some longerons 31, the mutual joggle of crossbeam 32, and the crossbeam 32 of top holder module 3 is pegged graft and formed combination roof with the column grappling fixture 44 of grabbing edge fit section bar 43.The longeron 31 of vehicle body frame module 2 is pegged graft with the column grappling fixture of grabbing edge fit section bar 43 of switching beam structure 4 44, make vehicle body frame module 2 realize and being connected with top holder module 3, under-carriage module 1 is overlapped 11 by grafting and is connected with the longeron 31 of vehicle body frame module 2, can make equally top holder module 3, vehicle body frame module 2 and under-carriage module 1 be combined into unitized frame, vehicle frame forms Modular assembled.

The described edge fit section bar 43 of grabbing mainly consists of the section bar of a seal chamber, described in grab edge fit section bar 43 two sides be provided with draw-in groove 432; Described bottom end face of grabbing edge fit section bar 43 is provided with T slot mouth 431.

As preferably, described column grappling fixture 44 comprises grappling fixture portion 441 and Plug Division 442, described grappling fixture portion 441 comprises that two sidewalls 443 and 444, two the described sidewalls 443 of diapire that are connected two described sidewalls 443 are provided with the claw hook 445 of inside stretching, extension, and described diapire 444 is provided with T shape pawl 446; Described Plug Division 442 is connected in described diapire 444, grabs the draw-in groove 432 of edge fit section bar 43 two sides described in described claw hook 445 clampings enter, and grabs the T slot mouth 431 of the bottom end face of edge fit section bar 43 described in 446 clampings of described T shape pawl enter.Only a plurality of column grappling fixtures 44 need to be slipped into along T slot mouth 431, a plurality of interface arrangment intensity is high, installs quick and conveniently, grabs edge fit section bar 43 one-body molded, simple in structure with crooked connection profile 41, is convenient to manufacture and assembling, avoids assembling the loosening and distortion of rear generation.

The present embodiment column grappling fixture 44 is fixed in the bottom of grabbing edge fit section bar 43 by the first bolt 51; Described crooked connection profile 41 offers opening with the junction of grabbing edge fit section bar 43, and captive nut 52 is entered the inside of crooked connection profile 41 and is spirally connected with the first bolt 51 by opening; Peg graft mutually in longeron 31 and the Plug Division 442 of described vehicle body frame module 2, longeron 31 is fixedly connected with by the second bolt 6 with Plug Division 442.Can make the firm column grappling fixture 44 that is fixed on of the crossbeam 32 of top holder module 3 or the longeron 31 of vehicle body frame module 2, firm being fixed on of column grappling fixture 44 grabbed edge fit section bar 43, guarantee the stable connection of auto body, make vehicle frame realize weight-saving and reach again safety rate, be also convenient to the dismounting in later stage simultaneously.

The remainder of the present embodiment is identical with embodiment mono-, repeats no more here.

Embodiment tri-.

The difference of the present embodiment and embodiment bis-is, the side that the crooked connection profile 41 of the present embodiment is connected with top holder module 3 is connected with badger section bar 42, the side that crooked connection profile 41 is connected with vehicle body frame module 2 is connected with grabs edge fit section bar 43, grabbing edge fit section bar 43 is connected with column grappling fixture 44, the crossbeam 32 of top holder module 3 is pegged graft and is formed combination roof with the joggle hole of the badger section bar 42 of switching beam structure 4, the longeron 31 of vehicle body frame module 2 is pegged graft with the column grappling fixture of grabbing edge fit section bar 43 of switching beam structure 4 44, make vehicle body frame module 2 realize and being connected with top holder module 3, under-carriage module 1 is overlapped 11 by grafting and is connected with the longeron 31 of vehicle body frame module 2.The vehicle body of modular design is installed on column grappling fixture 44, and a plurality of column grappling fixtures 44 slip into along T slot mouth 431, and a plurality of interface arrangment intensity is high, installs quick and convenient.Modular vehicle frame adopts Modular assembled, is greatly convenient to the production in later stage, guarantees assembly precision, reduces production costs.

The remainder of the present embodiment is identical with embodiment bis-, repeats no more here.

Embodiment tetra-.

The difference of the present embodiment and embodiment bis-is, the side that the crooked connection profile 41 of the present embodiment is connected with top holder module 3 is connected with grabs edge fit section bar 43, the side that crooked connection profile 41 is connected with vehicle body frame module 2 is connected with badger section bar 42, grabbing edge fit section bar 43 is connected with column grappling fixture 44, the crossbeam 32 of top holder module 3 is pegged graft and is formed combination roof with the column grappling fixture of grabbing edge fit section bar 43 of switching beam structure 4 44, the longeron 31 of vehicle body frame module 2 is pegged graft with the joggle hole of the badger section bar 42 of switching beam structure 4, make vehicle body frame module 2 realize and being connected with top holder module 3, under-carriage module 1 is overlapped 11 by grafting and is connected with the longeron 31 of vehicle body frame module 2.The vehicle body of modular design is plugged in badger section bar 42, makes vehicle frame form Modular assembled, is greatly convenient to the production in later stage, guarantees assembly precision, reduces production costs.

The remainder of the present embodiment is identical with embodiment bis-, repeats no more here.

Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.

Claims (9)

1. the lightweight main body of vehicle frame that a modularization connects, comprise under-carriage module, vehicle body frame module and top holder module, described each module is formed by some longerons, the mutual joggle of crossbeam respectively, it is characterized in that: described under-carriage module is provided with some grafting covers, the both sides of described top holder module are connected with switching beam structure, longeron one end of described vehicle body frame module and the grafting of under-carriage module cover are pegged graft, and the longeron other end of described vehicle body frame module is connected with switching beam structure;
Described longeron, crossbeam, switching beam structure are section bar beam.
2. the lightweight main body of vehicle frame that a kind of modularization according to claim 1 connects, it is characterized in that: described switching beam structure comprises crooked connection profile, the both sides of described crooked connection profile are connected with respectively badger section bar and/or grab edge fit section bar, described badger section bar and/or grab edge fit section bar and crooked connection profile is one-body molded.
3. the lightweight main body of vehicle frame that a kind of modularization according to claim 2 connects, it is characterized in that: at least one side of described crooked connection profile is connected with badger section bar, described badger section bar one side and crooked connection profile are one-body molded, the opposite side of badger section bar offers joggle hole, pegs graft in the joggle hole of the longeron of the crossbeam of described top holder module and/or vehicle body frame module and the badger section bar of switching beam structure.
4. the lightweight main body of vehicle frame that a kind of modularization according to claim 2 connects, it is characterized in that: at least one side of described crooked connection profile is connected with grabs edge fit section bar, a described side and crooked connection profile of grabbing edge fit section bar is one-body molded, described opposite side of grabbing edge fit section bar is connected with column grappling fixture, and the column grappling fixture of grabbing edge fit section bar of the longeron of the crossbeam of described top holder module and/or vehicle body frame module and switching beam structure is pegged graft.
5. the lightweight main body of vehicle frame that a kind of modularization according to claim 3 connects, it is characterized in that: described badger section bar mainly consists of two closed cavities, the closed cavity inside being connected with crooked connection profile is relatively set with joggle muscle, the lateral surface of described badger section bar offers the joggle hole with closed cavity internal communication, and the width in described joggle hole equates with the distance between joggle muscle.
6. the lightweight main body of vehicle frame that a kind of modularization according to claim 4 connects, is characterized in that: described in grab edge fit section bar and mainly by the section bar of a seal chamber, formed, described in grab edge fit section bar two sides be provided with draw-in groove; Described bottom end face of grabbing edge fit section bar is provided with T slot mouth.
7. the lightweight main body of vehicle frame that a kind of modularization according to claim 6 connects, it is characterized in that: described column grappling fixture comprises grappling fixture portion and Plug Division, described grappling fixture portion comprises two sidewalls and the diapire that is connected two described sidewalls, two described sidewalls are provided with the claw hook of inside stretching, extension, and described diapire is provided with T shape pawl; Described Plug Division is connected in described diapire, grabs the draw-in groove of edge fit section bar two sides described in described claw hook clamping enters, and grabs the T slot mouth of the bottom end face of edge fit section bar described in the clamping of described T shape pawl enters.
8. the lightweight main body of vehicle frame that a kind of modularization according to claim 7 connects, is characterized in that: described column grappling fixture is fixed in the bottom of grabbing edge fit section bar by the first bolt; Described crooked connection profile offers opening with the junction of grabbing edge fit section bar, and captive nut is entered the inside of crooked connection profile and is spirally connected with the first bolt by opening;
Peg graft mutually in longeron and the Plug Division of described vehicle body frame module, longeron is fixedly connected with by the second bolt with Plug Division.
9. the lightweight main body of vehicle frame that a kind of modularization according to claim 1 connects, is characterized in that: described grafting cover is welded in the edge of under-carriage module, and the longeron of vehicle body frame module interfixes by the 3rd bolt after pegging graft with the cover of pegging graft.
CN201410021954.0A 2014-01-18 2014-01-18 Modularly connected light-weight frame main body CN103693104A (en)

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CN104779529A (en) * 2015-03-23 2015-07-15 国家电网公司 High-intensity prefabricated cabin type transformer substation combined structure
CN106005047A (en) * 2016-07-29 2016-10-12 东莞中山大学研究院 Connecting structure for front face and back face of light midbus with body frame of light midbus
CN106043451A (en) * 2016-06-24 2016-10-26 中国重汽集团济南动力有限公司 Connection structure of new energy automobile rear portion anticollision beam
CN109484494A (en) * 2017-09-12 2019-03-19 郑州宇通客车股份有限公司 A kind of modular vehicle

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CN103287509A (en) * 2013-06-24 2013-09-11 东风汽车公司 Light-weight coach body structure
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EP0240758A1 (en) * 1986-03-13 1987-10-14 Iveco Magirus Aktiengesellschaft Roof construction for utility vehicles
EP2279928A2 (en) * 2009-07-28 2011-02-02 Ferrari S.p.A. Chassis of a vehicle provided with an extruded central pillar
CN201721521U (en) * 2010-06-13 2011-01-26 贾秉成 Lightweight full-bearing car frame structure
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104779529A (en) * 2015-03-23 2015-07-15 国家电网公司 High-intensity prefabricated cabin type transformer substation combined structure
CN106043451A (en) * 2016-06-24 2016-10-26 中国重汽集团济南动力有限公司 Connection structure of new energy automobile rear portion anticollision beam
CN106005047A (en) * 2016-07-29 2016-10-12 东莞中山大学研究院 Connecting structure for front face and back face of light midbus with body frame of light midbus
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CN109484494A (en) * 2017-09-12 2019-03-19 郑州宇通客车股份有限公司 A kind of modular vehicle

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