CN203381688U - Parallel three-truss type full-bearing passenger car body structure - Google Patents
Parallel three-truss type full-bearing passenger car body structure Download PDFInfo
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- CN203381688U CN203381688U CN201320491404.6U CN201320491404U CN203381688U CN 203381688 U CN203381688 U CN 203381688U CN 201320491404 U CN201320491404 U CN 201320491404U CN 203381688 U CN203381688 U CN 203381688U
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Abstract
Provided is a parallel three-truss type full-bearing passenger car body structure. A bearing area (1) in the middle of a grating bottom frame parallel with a coordinate surface of a car body coordinate system xoz is called a middle truss for short, and the middle truss is composed of truss structures which penetrate through a car body from the most front end to the most rear end and are provided with inclined supports. A bearing area (6) of the left side body of the car body is called a left truss for short, a bearing area (7) of the right side body of the car body is called a right truss for short, and the middle truss, the left truss and the right truss form a three-truss type overall bending-resistance bearing structure. A common vertical engine (2) is arranged near the middle of the car body and located on the same side with a passenger door. The overall stress on the car body structure is more coordinated, and the overall rigidity and strength are greatly improved; the bearing utilization rate of all structure materials of the car body is improved, and the lightening effect is obvious; utilization continuity of space in the car body is good, and compared with a traditional passenger car, the passenger carrying capacity and luggage compartment capacity are obviously increased.
Description
Technical field
The utility model relates to a kind of innovation structure pattern of parallel three truss-like all-loading coach body structures.
Background technology
The all-loading coach body structure is a kind of bus body space structure form of bearing whole load be comprised of grid underframe and body framwork, also claims " passenger vehicle self-supporting body ".Adopting the unitary body structure and should have the advantages such as low weight, high rigidity, high security, high fuel economy, good comfort than adopting on non-bearing vehicle body and half bearing vehicle body structural theory, is the main flow direction of coach body structure development.For improving the safety of large-scale highway tourist coach, GB7258-2012 " Vehicle Security condition " stipulates that the vehicle commander is greater than highway passenger vehicle and tourist coach and all night coachs of 11m, and vehicle body should be full carrying general frame structure.
In the bus driving process, vehicle body mainly bears along the flexural load of vehicle axis system Z-direction and reaches the torque load around X-axis, according to theoretical calculation analysis, and existing unitary body structure, flexural load is mainly born by gusset, and grid underframe resistance to bending is limited.According to this load distribution, can find out, because being subject to the restriction of trunk roominess, can not as covering district, gusset middle part, at vehicle body system of axes xoz coordinate plane, the rectangular frame diagonal of two parallel faces arranges the diagonal brace rod member, the grid underframe is done the used time at the flexural load be subject to vertically downward like this, flexural load is resisted in the main flexural deformation by rectangular steel pipe, poor ability due to small bore rod member Bending load, thereby greatly reduce the flexural load load-carrying capacity of grid underframe, reduced the carrying degree of utilization of frame structure material, structure lightweight potentiality have been limited.
Summary of the invention
The utility model proposes a kind of novel all-loading coach body structure, be devoted to alleviate tare, when improving bearer cap, improve every main performance of complete vehicle structure.
By reference to the accompanying drawings, be described as follows:
A kind of parallel three truss-like all-loading coach body structures, the grid underframe middle part supporting region 1 parallel with vehicle body system of axes xoz coordinate plane, truss in abbreviation, the truss structure with diagonal brace that is penetrated into foremost rearmost end by vehicle body forms, supporting region 6 with the vehicle body left-side, be called for short the supporting region 7 of left truss and right side wall, be called for short right truss, form the whole bending resistance carrying structure of three truss-likes; Be offset to vehicle body middle part and passenger door homonymy in common vertical engine 2.
Described middle truss 1 structure, be positioned at below the passenger zone floor, the main flexural load that during with left and right truss shared Vehicle Driving Cycle, vehicle body is born.
Described common vertical engine 2, be arranged between axle and the passenger door homonymy, and the integral installation height is lower than the passenger zone floor level.
Described spare tyre 3 is arranged in the car load rearmost end, the back wall inboard.
Front passenger door 8 and rear passenger door 9 are arranged at respectively gusset foremost and rearmost end, guarantee between vehicle body right side wall two passenger dooies to be a whole continuous carrying structure.
The beneficial effects of the utility model major embodiment is in the following areas:
1, the grid underframe designs from front to back truss structure in aggregates (middle truss structure) on the vehicle body plane of symmetry, obviously improved the crooked load-carrying capacity of grid underframe, reduce the carrying burden of gusset, at lightweight grid underframe simultaneously, for the design of lightweight vehicle body peripheral structure provides possibility, thereby for realizing that the complete vehicle structure light-weight design provides new thinking.
2, middle truss structure is set, has improved the bending stiffness characteristic of car load, improve the car load model frequency, significant to improving the car load travelling comfort.
3, passenger door be arranged at respectively vehicle body foremost and rearmost end, guarantee that between vehicle body right (or left) gusset two passenger dooies be a whole continuous carrying structure, this kind of impact that layout is not arranged by passenger inside the vehicle's seat simultaneously, the complete vehicle structure design all must not changed, full bassinet structure closed-loop can form all the time, all significant to the rollover safety and the simplification engineering design work capacity that improve complete vehicle structure, the speed that while being conducive to improve the vehicle accident, the passenger withdraws simultaneously.
4, can adopt common vertical engine, compare with horizontal engine, integral vehicle cost and follow-up maintenance cost, and range of choice is more extensive, can improve the successful of automobile development.
6, engine position, between antero posterior axis, can improve the car load distribution stability of antero posterior axis axle load in motion, guarantees the stable of front-axle steering wheel axle load, has improved the stability of controlling when vehicle is run at high speed.
7, engine position is in middle and passenger door homonymy, and according to the distribution of annex and the passenger seat of interior space, driving engine and passenger door homonymy are conducive to realize the balance of car load left and right sides axle load, raising car load roll stability.
8, dynamic assembly and annex are installed on the vehicle body central region, and this regional space rule, be convenient to the foundation of NVH research theory model, and the vibration damping that is easy to insulate against sound is processed, and for improving the car load travelling comfort, provide possibility.
9, back door vertically vertical (marking time afterwards two) two parts of (marking time afterwards one) peace driving body of minute vertical vehicle body of marking time, arrange altogether six grades and mark time, wherein mark time afterwards one level Four is set marks time, after mark time and two two-stage stepping be set.This marking time is arranged on when not affecting the interior usage space of car, increased and marked time the degree of depth and reduce every one-level step height, the efficiency and the safety that have improved passenger getting on/off.
10, spare tyre is arranged in the car load rearmost end, and the back wall inboard is increasing boot compartment simultaneously, also significant to improving the vehicle rear crashworthiness.
The accompanying drawing explanation:
Fig. 1 is the whole skeleton schematic three dimensional views of the utility model vehicle body;
Fig. 2 is carried three truss structure schematic diagrams by the utility model;
Fig. 3 is the utility model body structure grid underframe lateral plan----middle truss;
Fig. 4 is the utility model body structure left-side lateral plan----left truss;
Fig. 5 is the utility model body structure right side wall lateral plan----right truss;
Fig. 6 is the utility model body structure passenger floor schematic diagram;
Fig. 7 is the utility model body structure luggage compartment floor schematic diagram;
Fig. 8 is the utility model body structure grid underframe schematic cross-sectional view.
In figure: 1, grid underframe supporting region----middle truss; 2, common vertical engine; 3, spare tyre; 4, passenger zone middle part
Longitudinal floor beam; 5, boot compartment middle part longitudinal floor beam; 6, left-side supporting region----left truss; 7, right side wall supporting region----
Right truss; 8, front passenger door; 9, rear passenger door; 10, mark time one after; 11, mark time two after; 12, sanitary accomodation.
The specific embodiment:
By reference to the accompanying drawings the specific embodiment of the present utility model is further illustrated:
A kind of parallel three truss-like all-loading coach body structures that this programme proposes, complete vehicle structure adopts the welding of small bore rod member to form entirely.As shown in Figure 1, three truss structure concepts structure as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5 forms the car load skeleton.The middle truss parallel with vehicle body system of axes xoz coordinate plane, for connecting the truss structure with diagonal brace of vehicle body front and back, forms the whole bending resistance carrying structures of three truss-likes with left truss 6 and right truss 7, makes car load have extremely strong bending bearing capacity.
A kind of parallel three truss-like all-loading coach body structures that this programme proposes, the structure formed by passenger zone floor, luggage compartment floor and grid underframe transversal surface between parallel three truss connects, form bending resistance and antitorque structure, make vehicle body there is extremely strong anti-twisting property, as shown in Figure 4,5, 6.
Front passenger door 8 and rear passenger door 9 are arranged at respectively gusset foremost and rearmost end, guarantee between vehicle body right side wall two passenger dooies to be a whole continuous carrying structure, as shown in Figure 5.(illustrate: the direction passenger vehicle is put in the right side, and passenger door is arranged at left-side, and other is described with this).
Back door vertically vertical two parts of peace driving body of minute vertical vehicle body of marking time, arrange altogether six grades and mark time, and wherein vertical vehicle body longitudinal component arranges level Four (the marking time afterwards) 10 of marking time, and parallel vehicle body vertically arranges two-stage stepping (marking time afterwards two) 11.This marking time is arranged on when not affecting the interior usage space of car, and increased and marked time the degree of depth and reduce every one-level step height, the efficiency and the safety that have improved passenger getting on/off, as shown in Figure 7.
Sanitary accomodation 12 is arranged in the rearmost end of car load, with after mark time and be placed in respectively the vehicle body left and right sides, lower than passenger's floor level, be independent of outside passenger zone, guaranteed the continuity on passenger zone floor, improved the comfort level of passenger zone, simultaneously based on project organization arrangement of the present invention, turnover sanitary accomodation passage is convenient, and the inner space of sanitary accomodation layout itself also will be more comfortable, as shown in Figure 4.
Dynamic assembly is selected common vertical engine, arrange the position of two boot compartment of rear axle the place ahead and passenger door homonymy, the integral installation height is lower than the passenger zone floor level, utilize the forward and backward section structure of this two boot compartment and the mounting structure that grid underframe middle part supporting region structure forms dynamic assembly, as shown in Figure 6.
Spare tyre is arranged in the car load afterbody, takes full advantage of the structure space of car load, as shown in Figure 7.
Boot compartment district, middle part grid underframe cross-sectional configuration, as shown in Figure 8.
The applicant has designed the highway tourist coach with two passenger dooies and sanitary accomodation of 12 meters of a vehicle commander's degree according to the utility model, complete vehicle structure figure as shown in Figure 1.This car vehicle body framework construction quality is only 2.2 tons, and traditional highway passenger vehicle body framwork quality of equal passenger capacity is mostly 3 tons of left and right.If adopt the strong material of superelevation, the body lightening degree can further increase.
Claims (5)
1. parallel three truss-like all-loading coach body structures, it is characterized in that: the grid underframe middle part supporting region (1) parallel with vehicle body system of axes xoz coordinate plane, truss in abbreviation, the truss structure with diagonal brace that is penetrated into foremost rearmost end by vehicle body forms, supporting region (6) with the vehicle body left-side, be called for short the supporting region (7) of left truss and right side wall, be called for short right truss, form the whole bending resistance carrying structure of three truss-likes; Be offset to vehicle body middle part and passenger door homonymy in common vertical engine (2).
2. a kind of parallel three truss-like all-loading coach body structures according to claim 1, it is characterized in that: described middle truss (1) is positioned at below the passenger zone floor the main flexural load that during with left and right truss shared Vehicle Driving Cycle, vehicle body is born.
3. a kind of parallel three truss-like all-loading coach body structures according to claim 1 is characterized in that: described common vertical engine (2), be arranged between axle and the passenger door homonymy, and the integral installation height is lower than the passenger zone floor level.
4. a kind of parallel three truss-like all-loading coach body structures according to claim 1, it is characterized in that: described spare tyre (3) is arranged in the car load rearmost end, the back wall inboard.
5. a kind of parallel three truss-like all-loading coach body structures according to claim 1, it is characterized in that: front passenger door (8) and rear passenger door (9) are arranged at respectively gusset foremost and rearmost end, guarantee between vehicle body right side wall two passenger dooies to be a whole continuous carrying structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491404.6U CN203381688U (en) | 2013-08-13 | 2013-08-13 | Parallel three-truss type full-bearing passenger car body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491404.6U CN203381688U (en) | 2013-08-13 | 2013-08-13 | Parallel three-truss type full-bearing passenger car body structure |
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| CN203381688U true CN203381688U (en) | 2014-01-08 |
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|---|---|---|---|
| CN201320491404.6U Expired - Fee Related CN203381688U (en) | 2013-08-13 | 2013-08-13 | Parallel three-truss type full-bearing passenger car body structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395446A (en) * | 2013-08-13 | 2013-11-20 | 吉林大学 | Three-parallel-truss-type passenger car body fully loaded structure |
| CN103770848A (en) * | 2014-01-28 | 2014-05-07 | 何成军 | Body structure of full-bearing coach |
| CN104608831A (en) * | 2015-02-17 | 2015-05-13 | 黑龙江省尼奥普兰客车销售有限公司 | Passenger vehicle with weldless or weld stress eliminable safety structure |
| CN108639163A (en) * | 2018-04-17 | 2018-10-12 | 东风特汽(十堰)客车有限公司 | A kind of forward type car and its luggage compartment |
-
2013
- 2013-08-13 CN CN201320491404.6U patent/CN203381688U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395446A (en) * | 2013-08-13 | 2013-11-20 | 吉林大学 | Three-parallel-truss-type passenger car body fully loaded structure |
| CN103395446B (en) * | 2013-08-13 | 2016-07-06 | 吉林大学 | A kind of parallel three truss-like all-loading coach body structures |
| CN103770848A (en) * | 2014-01-28 | 2014-05-07 | 何成军 | Body structure of full-bearing coach |
| CN104608831A (en) * | 2015-02-17 | 2015-05-13 | 黑龙江省尼奥普兰客车销售有限公司 | Passenger vehicle with weldless or weld stress eliminable safety structure |
| CN108639163A (en) * | 2018-04-17 | 2018-10-12 | 东风特汽(十堰)客车有限公司 | A kind of forward type car and its luggage compartment |
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Legal Events
| Date | Code | Title | Description |
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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: 20140108 Termination date: 20160813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |