CN204368293U - Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle - Google Patents

Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle Download PDF

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Publication number
CN204368293U
CN204368293U CN201420763920.4U CN201420763920U CN204368293U CN 204368293 U CN204368293 U CN 204368293U CN 201420763920 U CN201420763920 U CN 201420763920U CN 204368293 U CN204368293 U CN 204368293U
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CN
China
Prior art keywords
truss
entablatrance
vehicle
cant beam
cant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420763920.4U
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Chinese (zh)
Inventor
杨玉川
魏建华
张保锋
杨伍博
王胜
张宏伟
郭文朝
刘军瑞
杨帆
王华三
程家鸿
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Zhengzhou Yutong Bus Co Ltd
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Zhengzhou Yutong Bus Co Ltd
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Priority to CN201420763920.4U priority Critical patent/CN204368293U/en
Application granted granted Critical
Publication of CN204368293U publication Critical patent/CN204368293U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to floor underframe for vehicle and uses the pure electric coach of this floor underframe for vehicle.Wherein floor underframe for vehicle comprises vehicle bridge, the front vertical beam that the rear and front end that vehicle bridge comprises entablatrance, respectively corresponding entablatrance is arranged and rear vertical beam, be provided with truss structure beam below entablatrance, truss structure beam comprises two and setting up and down forms the front side truss cant beams of triangular structure, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, front side and rear side truss cant beam front end for front vertical beam.Owing to have employed triangular structure, when structural strength is identical, truss structure beam can adopt the material that sectional dimension is less, thus can overall weight be alleviated, improve load-carrying capacity, compact conformation, the setting position that simultaneously can adjust corresponding cant beam flexibly according to concrete stressing conditions and the spacing adjusted between truss intermediate beam and entablatrance, be conducive to reducing space hold.

Description

Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle
Technical field
The utility model relates to floor underframe for vehicle and uses the pure electric coach of this floor underframe for vehicle.
Background technology
At present, what light-duty pure electric coach mainly adopted is basic unitary construction, i.e. chassis frame and body construction, this structure mainly comprises chassis frame and the large assembly of body framwork two, wherein chassis frame is formed by connecting by bolt or riveting method with trough girder, body framwork is primarily of assembly compositions such as front wall frame, rear wall frame, roof skeleton, left-side skeleton, right side wall skeletons, and these five assemblies weld rear entirety separately and attach together, and then is connected with chassis frame by the mode of lifting.When newly designing vehicle or improve, basis unitary construction vehicle adopts trough girder body frame structure for automotive to need newly to open diel, expense is relatively high, simultaneously, the whole vehicle structural weight of basis unitary construction is comparatively large, and for pure electric coach, it is different from liquid fuel type passenger vehicle, need heavier electrokinetic cell is installed, therefore easily cause the stressed concentrated problem of local structure.
The Chinese patent that application number is 201320713052.4, Authorization Notice No. is CN 203793103 U discloses a kind of pure electric coach chassis, it is a kind of full-bearing type vehicle frame, be formed by connecting primarily of rectangular steel pipe, comprise floor underframe for vehicle, floor underframe for vehicle comprises square front section, stage casing part and the hindfoot portion be connected successively along front and back, front section is provided with front axle, and hindfoot portion is provided with rear axle, and electrokinetic cell is arranged on the stage casing part between front axle and rear axle.Full-bearing type vehicle frame is adopted to reduce development cost, shorten time-to-market, reduce complete vehicle weight, but structural strength is lower, and due to electrokinetic cell weight larger, in order to ensure the vehicle bridge intensity of floor underframe for vehicle, vehicle bridge have employed upper and lower two story frame structures, comprise entablatrance, cross sill and be connected to the front vertical beam at entablatrance and cross sill two ends and rear vertical beam, cross sill adopts large scale beam, rear and front end is connected between corresponding vertical beam and forms communicating structure, and in order to ensure framed structure intensity, distance between the upper and lower between cross sill and cross sill is larger, this not only increases complete vehicle quality, too increase space hold, be unfavorable for ensureing car load course continuation mileage and passenger space.
Utility model content
The purpose of this utility model is to provide high, the lightweight floor underframe for vehicle of a kind of structural strength, and meanwhile, the utility model additionally provides a kind of pure electric coach using this floor underframe for vehicle.
The technical scheme that in the utility model, floor underframe for vehicle adopts is: floor underframe for vehicle, comprise vehicle bridge, the front vertical beam that the rear and front end that described vehicle bridge comprises entablatrance, respectively corresponding entablatrance is arranged and rear vertical beam, be provided with truss structure beam below described entablatrance, described truss structure beam comprises two and setting up and down forms the front side truss cant beams of triangular structure, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, described front side and rear side truss cant beam front end for front vertical beam.
Being provided with between the front end of described truss intermediate beam and described entablatrance for forming the upper front end truss cant beam of triangular structure with the front side truss cant beam and entablatrance corresponding part of upside, being provided with between the rear end of described truss intermediate beam and described entablatrance for forming rear end, the upside truss cant beam of triangular structure with the rear side truss cant beam of upside and the corresponding part of entablatrance.
Described vehicle bridge is provided with the front side cant beam brace panel be simultaneously fixedly connected with truss intermediate beam with front side truss cant beam, upper front end truss cant beam, the rear side cant beam brace panel be simultaneously fixedly connected with rear side truss cant beam, rear end, upside truss cant beam and truss intermediate beam back segment.
Described truss intermediate beam be provided with the shock absorber fixed beam be fixedly connected with for shock absorber between entablatrance.
Described vehicle bridge comprises front axle and rear axle, described floor underframe for vehicle also comprises the stage casing part be arranged between front axle and rear axle, described stage casing part is divided into two-layer up and down, the upper and lower are the framed structure that thin-wall section is welded, and form the battery flat of the lateral direction penetrating along floor underframe for vehicle between two-layer up and down.
Be provided with transition connecting plate between the front section of described floor underframe for vehicle and center section part divide, the front and rear of described transition connecting plate is fixedly connected with the top of stage casing part with the bottom of front section respectively.
The technical scheme that in the utility model, pure electric coach adopts is: pure electric coach, comprise floor underframe for vehicle and body framwork, described floor underframe for vehicle comprises vehicle bridge, described vehicle bridge comprises entablatrance, the front vertical beam of the rear and front end setting of the corresponding entablatrance of difference and rear vertical beam, truss structure beam is provided with below described entablatrance, described truss structure beam comprise two setting up and down for forming the front side truss cant beam of triangular structure with front vertical beam, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, described front side and rear side truss cant beam front end.
Being provided with between the front end of described truss intermediate beam and described entablatrance for forming the upper front end truss cant beam of triangular structure with the front side truss cant beam and entablatrance corresponding part of upside, being provided with between the rear end of described truss intermediate beam and described entablatrance for forming rear end, the upside truss cant beam of triangular structure with the rear side truss cant beam of upside and the corresponding part of entablatrance.
Described vehicle bridge is provided with the front side cant beam brace panel be simultaneously fixedly connected with truss intermediate beam with front side truss cant beam, upper front end truss cant beam, the rear side cant beam brace panel be simultaneously fixedly connected with rear side truss cant beam, rear end, upside truss cant beam and truss intermediate beam back segment.
Described truss intermediate beam be provided with the shock absorber fixed beam be fixedly connected with for shock absorber between entablatrance.
The utility model adopts technique scheme, truss structure beam is provided with below the entablatrance of vehicle bridge, described truss structure beam comprise two setting up and down for forming the front side truss cant beam of triangular structure with front vertical beam, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, described front side and rear side truss cant beam front end, owing to have employed triangular structure, when structural strength is identical, truss structure beam can adopt the material that sectional dimension is less, thus can overall weight be alleviated, improve load-carrying capacity, compact conformation, the setting position that simultaneously can adjust corresponding cant beam flexibly according to concrete stressing conditions and the spacing adjusted between truss intermediate beam and entablatrance, be conducive to reducing space hold.
Accompanying drawing explanation
Fig. 1 is the front view of an embodiment of floor underframe for vehicle in the utility model;
Fig. 2 is the birds-eye view of Fig. 1.
The name that in figure, each Reference numeral is corresponding is called: 1-underframe leading portion entablatrance, 2-underframe leading portion vertical beam, 3-underframe stage casing diagonal brace, 4-underframe stage casing entablatrance, 5-underframe stage casing cross sill, 6-underframe stage casing vertical beam, vertical beam before 7-back axle, vertical beam after 8-back axle, 9-back axle entablatrance, 10-rear axle damper fixed beam, 11-underframe back segment longeron, 12-underframe back segment vertical beam, 13-plate spring lifting lug bearing brace panel, 14-propons shock absorber installs fixed beam, 15-transition connecting plate, truss cant beam on front side of 16-, truss cant beam on rear side of 17-, 18-truss intermediate beam, cant beam brace panel on front side of 19-, cant beam brace panel on rear side of 20-, 21-upper front end truss cant beam, truss cant beam in rear end on the upside of 22-, 23-underframe leading portion crossbeam, 24-underframe longitudinal beam at front section of automobile, 25-underframe transition phase diagonal brace, 26-underframe limit crossbeam, 27-underframe breast beam, 28-back axle entablatrance, 29-underframe back segment diagonal brace, 30-underframe back segment crossbeam.
Detailed description of the invention
In the utility model, an embodiment of floor underframe for vehicle is as shown in Fig. 1 ~ Fig. 2, is the floor underframe for vehicle on the light-duty pure electric coach of a kind of full carrying.This floor underframe for vehicle is divided into three parts from front to back, and be respectively front section, stage casing part and hindfoot portion, front section arranges propons, and hindfoot portion arranges back axle.
The front section of floor underframe for vehicle is divided into two-layer up and down, and upper strata is welded by thin-walled rectangular tube, and lower floor is formed by square thin-wall pipe welding, and the two-layer thin-walled square tube that passes through is connected with thin-walled rectangular tube diagonal brace up and down.The concrete structure of front section comprises underframe leading portion entablatrance 1, underframe leading portion vertical beam 2, plate spring lifting lug bearing brace panel 13, the installation of propons shock absorber fixed beam 14, transition connecting plate 15, underframe leading portion crossbeam 23 and underframe longitudinal beam at front section of automobile 24, the front and back end welding leaf spring fixed support of front section, for installing plate spring lifting lug, propons shock absorber is installed fixed beam 14 and is adopted heavy wall section bar to make, which is provided with perforate, for mounting dampers upper bracket.
The front and rear of transition connecting plate 15 is fixedly connected with the top of stage casing part with the bottom of front section respectively, realizes the connection between the stage casing part of floor underframe for vehicle and front section.Underframe transition phase diagonal brace 25 is provided with, for strengthening Joint strenght between the transition connecting plate 15 of the floor underframe for vehicle left and right sides.
The stage casing part of floor underframe for vehicle is also divided into two-layer up and down, and upper strata is welded by thin-wall rectangular material, and lower floor is welded by square thin-wall rectangular material, two-layer by square thin-wall section column connection up and down.The concrete structure of stage casing part comprises underframe stage casing diagonal brace 3, underframe stage casing entablatrance 4, underframe stage casing cross sill 5, underframe stage casing vertical beam 6, underframe limit crossbeam 26 and underframe breast beam 27, framework is formed between upper and lower two-tier truss, lower portion forms the space along the lateral direction penetrating of floor underframe for vehicle, form battery compartment, for installing electrokinetic cell.During use, electrokinetic cell can all be arranged on below floor frame, easy for installation, can provide larger passenger zone space simultaneously.
The hindfoot portion of floor underframe for vehicle is also divided into two-layer up and down, comprise vertical beam 7 before back axle, vertical beam 8 after back axle, back axle entablatrance 9, back axle entablatrance 9 to be connected to before back axle after vertical beam 7 and back axle between vertical beam 8, truss structure beam is provided with below it, this truss structure beam comprise two setting up and down for back axle before vertical beam 7 form the front side truss cant beam 16 of triangular structure, two setting up and down rear side truss cant beams 17 forming triangular structure for vertical beam after back axle 8 and the truss intermediate beam 18 be connected between truss cant beam 16 rear end, described front side and rear side truss cant beam 17 front end, the front end of the front side truss cant beam 16 of below is connected with the bottom of vertical beam before back axle 7, the rear side truss cant beam 17 of below is connected with the bottom of vertical beam after back axle 8, overall construction intensity can be ensured.Be provided with between the front end of truss intermediate beam 18 and back axle entablatrance 9 for forming the upper front end truss cant beam 21 of triangular structure with the front side truss cant beam 16 of upside and the corresponding part of back axle entablatrance 9, front side truss cant beam 16 and upper front end truss cant beam 21 are linearly arranged; Be provided with between the rear end of truss intermediate beam 18 and back axle entablatrance 9 for forming rear end, the upside truss cant beam 22 of triangular structure with the rear side truss cant beam 17 of upside and the corresponding part of back axle entablatrance 9, rear side truss cant beam 17 and rear end, upside truss cant beam 22 are linearly arranged.In other embodiments, front side truss cant beam 16 and upper front end truss cant beam 21 also can be formed by the corresponding part of one whole beam, and equally, rear side truss cant beam 17 and rear end, upside truss cant beam 22 also can be formed by the corresponding part of one whole beam.
Back axle is also provided with the front side cant beam brace panel 19 be simultaneously fixedly connected with front side truss cant beam 16, upper front end truss cant beam 21 and truss intermediate beam 18 leading portion, and the rear side cant beam brace panel 20 be simultaneously fixedly connected with rear side truss cant beam 17, rear end, upside truss cant beam 22 and truss intermediate beam 18 back segment, be provided with the rear axle damper fixed beam 10 be fixedly connected with for shock absorber of upper downward-extension between truss intermediate beam 18 with back axle entablatrance 9.
The hindfoot portion of floor underframe for vehicle also comprises underframe back segment longeron 11, underframe back segment vertical beam 12, back axle entablatrance 28, underframe back segment diagonal brace 29, underframe back segment crossbeam 30, each beam is welded to each other fixing, structural strength is high, forms truss after back axle, for installing hanger after rear leaf spring.
The back axle of above-mentioned pure electric coach have employed triangular structure, when structural strength is identical, truss structure beam can adopt the material that sectional dimension is less, under the prerequisite ensureing complete vehicle structure intensity, rigidity and rollover safety, effectively can alleviate complete vehicle weight, improve load-carrying capacity, compact conformation, the setting position that simultaneously can adjust corresponding cant beam flexibly according to concrete stressing conditions and the spacing adjusted between truss intermediate beam 18 and back axle entablatrance 9, be conducive to reducing space hold, increasing passenger zone space and shorten time-to-market, reduce development cost.
In the utility model, an embodiment of pure electric coach comprises floor underframe for vehicle and body framwork, and the structure of body framwork is same as the prior art, and the floor underframe for vehicle in floor underframe for vehicle and above-described embodiment, concrete structure repeats no more herein.
In the above-described embodiments, only back axle have employed truss structure beam, and truss structure beam is also provided with front side cant beam brace panel 19, the rear side cant beam brace panel 20 of upper front end truss cant beam 21, rear end, upside truss cant beam 22 and correspondence.In other embodiments of the present utility model, also above-mentioned truss structure beam can be adopted at propons, and upper front end truss cant beam 21, rear end, upside truss cant beam 22, front side cant beam brace panel 19, rear side cant beam brace panel 20 are nonessential structure, also can save as required in other embodiments.

Claims (10)

1. floor underframe for vehicle, comprise vehicle bridge, the front vertical beam that the rear and front end that described vehicle bridge comprises entablatrance, respectively corresponding entablatrance is arranged and rear vertical beam, it is characterized in that: be provided with truss structure beam below described entablatrance, described truss structure beam comprises two and setting up and down forms the front side truss cant beams of triangular structure, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, described front side and rear side truss cant beam front end for front vertical beam.
2. floor underframe for vehicle according to claim 1, it is characterized in that: be provided with between the front end of described truss intermediate beam and described entablatrance for forming the upper front end truss cant beam of triangular structure with the front side truss cant beam and entablatrance corresponding part of upside, being provided with between the rear end of described truss intermediate beam and described entablatrance for forming rear end, the upside truss cant beam of triangular structure with the rear side truss cant beam of upside and the corresponding part of entablatrance.
3. floor underframe for vehicle according to claim 2, is characterized in that: described vehicle bridge is provided with the front side cant beam brace panel be simultaneously fixedly connected with truss intermediate beam with front side truss cant beam, upper front end truss cant beam, the rear side cant beam brace panel be simultaneously fixedly connected with rear side truss cant beam, rear end, upside truss cant beam and truss intermediate beam back segment.
4. the floor underframe for vehicle according to claim 1 or 2 or 3, is characterized in that: described truss intermediate beam be provided with the shock absorber fixed beam be fixedly connected with for shock absorber between entablatrance.
5. the floor underframe for vehicle according to claim 1 or 2 or 3, it is characterized in that: described vehicle bridge comprises front axle and rear axle, described floor underframe for vehicle also comprises the stage casing part be arranged between front axle and rear axle, described stage casing part is divided into two-layer up and down, the upper and lower are the framed structure that thin-wall section is welded, and form the battery compartment of the lateral direction penetrating along floor underframe for vehicle between two-layer up and down.
6. floor underframe for vehicle according to claim 5, it is characterized in that: be provided with transition connecting plate between the front section of described floor underframe for vehicle and center section part divide, the front and rear of described transition connecting plate is fixedly connected with the top of stage casing part with the bottom of front section respectively.
7. pure electric coach, comprise floor underframe for vehicle and body framwork, described floor underframe for vehicle comprises vehicle bridge, described vehicle bridge comprises entablatrance, the front vertical beam of the rear and front end setting of the corresponding entablatrance of difference and rear vertical beam, it is characterized in that: below described entablatrance, be provided with truss structure beam, described truss structure beam comprise two setting up and down for forming the front side truss cant beam of triangular structure with front vertical beam, two setting up and down rear side truss cant beams forming triangular structure for rear vertical beam and the truss intermediate beam be connected between truss cant beam rear end, described front side and rear side truss cant beam front end.
8. pure electric coach according to claim 7, it is characterized in that: be provided with between the front end of described truss intermediate beam and described entablatrance for forming the upper front end truss cant beam of triangular structure with the front side truss cant beam and entablatrance corresponding part of upside, being provided with between the rear end of described truss intermediate beam and described entablatrance for forming rear end, the upside truss cant beam of triangular structure with the rear side truss cant beam of upside and the corresponding part of entablatrance.
9. pure electric coach according to claim 8, is characterized in that: described vehicle bridge is provided with the front side cant beam brace panel be simultaneously fixedly connected with truss intermediate beam with front side truss cant beam, upper front end truss cant beam, the rear side cant beam brace panel be simultaneously fixedly connected with rear side truss cant beam, rear end, upside truss cant beam and truss intermediate beam back segment.
10. the pure electric coach according to claim 7 or 8 or 9, is characterized in that: described truss intermediate beam be provided with the shock absorber fixed beam be fixedly connected with for shock absorber between entablatrance.
CN201420763920.4U 2014-12-09 2014-12-09 Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle Expired - Fee Related CN204368293U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420763920.4U CN204368293U (en) 2014-12-09 2014-12-09 Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420763920.4U CN204368293U (en) 2014-12-09 2014-12-09 Floor underframe for vehicle and use the pure electric coach of this floor underframe for vehicle

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CN204368293U true CN204368293U (en) 2015-06-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107264631A (en) * 2017-06-22 2017-10-20 安徽广通汽车制造股份有限公司 A kind of high-performance bottom frame assembly for pure electric coach
CN107719472A (en) * 2017-11-24 2018-02-23 河南少林客车股份有限公司 A kind of two-part underframe of coach and the car using the underframe of coach
CN110588787A (en) * 2019-09-25 2019-12-20 吉林屹为科技有限公司 Modularized unmanned electric automobile chassis

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107264631A (en) * 2017-06-22 2017-10-20 安徽广通汽车制造股份有限公司 A kind of high-performance bottom frame assembly for pure electric coach
CN107719472A (en) * 2017-11-24 2018-02-23 河南少林客车股份有限公司 A kind of two-part underframe of coach and the car using the underframe of coach
CN107719472B (en) * 2017-11-24 2024-04-26 河南少林客车股份有限公司 Two-section type passenger car underframe and passenger car using same
CN110588787A (en) * 2019-09-25 2019-12-20 吉林屹为科技有限公司 Modularized unmanned electric automobile chassis
CN110588787B (en) * 2019-09-25 2024-04-30 苏州屹为科技有限公司 Modularized unmanned electric automobile chassis

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150603

Termination date: 20191209

CF01 Termination of patent right due to non-payment of annual fee