CN101954930B - Beam profile of chassis frame - Google Patents
Beam profile of chassis frame Download PDFInfo
- Publication number
- CN101954930B CN101954930B CN201010232375.2A CN201010232375A CN101954930B CN 101954930 B CN101954930 B CN 101954930B CN 201010232375 A CN201010232375 A CN 201010232375A CN 101954930 B CN101954930 B CN 101954930B
- Authority
- CN
- China
- Prior art keywords
- track
- beam section
- section bar
- edge fit
- press
- 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.)
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Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
Abstract
The invention particularly relates to a beam profile (1) of a chassis frame of a cargo truck. The beam profile (1) is provided with a connection edge (6), the connection edge is provided with at least one through part (15), and the connection edge is provided with a butting area (3) in order to connect with the other beam profile (1). The butting area (3) is provided with a virtual pull track and/or pressure tracks (10, 11), and the tracks stretch in a plane (9) of the connection edge (6). The pull track and/or the pressure tracks (10, 11) reflect the tendency of a force line. The through part (15) in the connection edge (6) is limited by at least two crossing pull track and/or pressure tracks (10, 11). Edge legs (16) of the pull track and/or the pressure tracks (10, 11) have a shape of parabolic gap (18) in an area (17) of a crossing point (14).
Description
Technical field
The present invention relates to a kind of beam section bar of chassis frame of particularly load-carrying vehicle, it has edge fit, this edge fit has at least one and runs through part, in order to be connected with another beam section bar, this edge fit has docking region, on this docking region, be provided with virtual drawing track and/or press track, these tracks stretch in the plane of edge fit, and have reflected the tendency of the line of force.
Background technology
In the passenger vehicle of modern structure type, no matter passenger vehicle is as passenger vehicle, long-distance bus for city, or as long-term travel car, is all provided with electrical motor and relevant drive-system in the region of at least one back axle.After the back axle of passenger vehicle, be mainly also useful on the cooling unit of cooling drive motor.In a lot of vehicles of prior art, for the air of passenger vehicle inner space, cooling and conditioning unit is also positioned at the top of at least one back axle of passenger vehicle.Being arranged in vehicle rear region moving important aforementioned unit of passenger vehicle, and the baggage container loading between propons and at least one back axle, these all require to reduce as much as possible passenger vehicle net weight.
By the known a kind of rear portion crossbeam for the load-carrying vehicle with automobile chassis frame of DE102005015423A1
automobile chassis frame has two longerons.Edge fit and the connection edge strip (Flanschleiste) being connected with middle edge fit in both sides in the middle of rear portion crossbeam is arranged with as the basic section bars for U-shaped structure of one.At the distolateral fixed lobe (Befestigungsfahne) that is provided with of rear portion crossbeam, wherein the fixed lobe with below above protrudes from respectively two and is connected edge strip, and both sides respectively have one at least almost transverse to above with below the upwardly extending vertical fixed lobe in side of fixed lobe protrude from the middle edge fit of U-shaped section bar.On these fixed lobes, offer porosely, be wherein arranged in and hole fixed lobe above below and be separately positioned on above and fixed pan below.In the middle of being arranged on, the vertical fixed lobe of the both sides of edge fit extends along the whole height of middle edge fit substantially, and has two holes.These holes arrange in superincumbent and fixed pan below respectively on superincumbent and fixed lobe below.
Summary of the invention
Therefore, the object of the invention is to, propose a kind of passenger-carrying chassis support, it has as far as possible little deadweight, to utilize as far as possible well the dead load of vehicle according to the total weight allowing.
According to the present invention, described object is achieved by following measure.
Chassis frame of the present invention comprises at least one beam section bar.This beam section bar can be crossbeam or longeron, and wherein multiple crossbeams and/or longeron interconnect along the longitudinal or laterally.The present invention also specifies, one or more crossbeams are vertically connected with one or more longerons.The edge fit that these crossbeams and/or longeron have on even keel or extend vertically, and there is at least one convex shoulder perpendicular to this edge fit.Edge fit and at least one convex shoulder form fit ground, coupling of materials ground or power interconnect ordinatedly.These longerons and/or crossbeam also can interconnect in the following way, make the edge fit plane earth of two beam section bars mutually recline.Also can consider to make the convex shoulder of a beam section bar to be connected with the convex shoulder of another beam section bar, or the convex shoulder of a beam section bar is connected with the edge fit of another beam section bar.Observe along the longitudinal, on two opposed ends of beam section bar, respectively have a docking region.Beam section bar can utilize this docking region to be vertically fixed on another beam section bar.But also can consider to make the docking region of a beam section bar along the joint area that docks axial and another beam section bar, and then can between two beam section bars, produce connection.Also can alternatively on longeron and/or crossbeam, make two parallel edge fits be connected to each other by convex shoulder, and form the beam section bar of inner hollow.In order to connect the beam section bar of two docking, can be provided with connection boots.In addition, consider by beam vertical be arranged on longeron.Crossbeam is connected with the edge fit of longeron regularly by its docking region.Conventionally, beam section bar can be carrying with the common components such as nonbearing parts, the such as crossbeam in auto manufacturing, longeron, vehicle frame (Spante).By structure track bending and/or that intersect, in the docking region between can interconnective beam section bar, carry out power transmission.These structure tracks form so-called track and the pressure track of drawing.Utilize these tracks, expend and just make on the capable beam section bar that is distributed to mutual docking with very little material.Bending draws track and presses the initial point of track to lay respectively in the corresponding docking region of beam section bar, and power will be delivered on described beam section bar.Obtain thus approaching and naturally draw track and press track, these tracks can be realized best material use and the uniform distribution of stress in beam section bar.Drawing track and pressing track is virtual line, and these virtual lines stretch in the plane of edge fit or convex shoulder, and have reflected the tendency of the line of force, if two beam section bars interconnect.According to the present invention, draw track and press track to stretch with parabolical shape.In a section bar, can there be any number of track and the pressure tracks of drawing to stretch.These draw track and press track can have respectively a common initial point, but also can have different initial points.Each track and at least one joining of pressing track to have and at least one draws track and presses intersection of locus of drawing.Drawing track and pressing in the joining region of track, in the plane of edge fit, be provided with and run through part.In the plane of edge fit, at least one at least two side that run through part is drawn track or presses track to limit by each.Draw track and/or press the joining between track in the plane of edge fit, to stretch, but also can be arranged in outside the edge fit of beam section bar.These run through part and be configured to parabola shaped breach in each joining regions of drawing track and/or pressure track, correctly carry out thus the commutation of power.Owing to using parabola shaped breach in the joining region of drawing track and/or pressure track, the stress level in the plane domain of beam section bar is obviously reduced, and then realizes the strength at repeated alternation that increases beam section bar.According to the present invention, the obvious weight that can realize beam section bar reduces, and additionally can reduce the breach effect in part that runs through at beam section bar.
According to another embodiment of the invention, draw track and/or press track to stretch in the helical orbit of logarithm.In order to reduce the weight of structure, the part that runs through in beam section bar also can oval in shape, or approximate other the bending geometric configuration (for example circular) that is.The power acting in docking region between two beam section bars is converted in an ideal way the power of centripetence on bending track.
Therefore according to another embodiment of the present invention, can consider to make to draw track and/or press track ovalize or parabola shaped stretching, extension.
An additional embodiment regulation of the present invention, draws track and/or presses track symmetry or asymmetricly distribute.In the time drawing track and/or press track to distribute symmetrically, draw track and/or press the joining of track to be positioned on virtual straight line.If but asymmetricly distribute, draw track or press the joining of track to be positioned on curve.The power contrary ground of this curve and transmission is bending.In the time that moment of deflection is applied on beam section bar, draw track and/or press the joining of track through suitably arranging, make to form respectively curve in opposite directions.
According to another embodiment of the present invention, run through part and there is acute angle.This angle can be to be less than any angle of 90 °.What the serious stress spike of the 90 ° of angles of for example < in the material of beam section bar was succeeded by parabola shaped transition portion avoids, and obviously improves thus the strength at repeated alternation of beam section bar.
Brief description of the drawings
Other favourable design of beam section bar of the present invention and useful improvement can be by contrasting the explanation of accompanying drawing to embodiment below and at length obtaining.
Shown in figure:
Fig. 1 illustrates the composite structure (Verbund) being made up of multiple crossbeams of the present invention longeron parallel with two;
Fig. 2 illustrates the beam section bar of the present invention corresponding to Fig. 1, wherein draws out and draws and press track;
Fig. 3 is the block diagram of two longerons that are parallel to each other and crossbeam of the present invention;
Fig. 4 illustrates the joining region of drawing and pressing between track simplifiedly; With
Fig. 5 illustrates the breach effect by parabola shaped breach and circumferential notch realization contrastively.
Detailed description of the invention
Fig. 1 is the front elevation of multiple beam section bars 1, is wherein provided with three crossbeams 2, and docking region (the Sto β bereichen) 3 of these crossbeams docks with inner face 4 or the outside 5 of the edge fit 6 of chassis side rail 7.These beam section bars have and convex shoulder 8 edge fit connected vertically (Steg) 6.In Fig. 1, crossbeam 2 is generally perpendicularly connected with longeron 7.Fig. 1 exemplarily illustrates the beam profile structure of passenger vehicle, wherein, outside the outside 5 of longeron 7, is provided with crossbeam 2 in the left side and the right, and (unshowned) sidewall of passenger vehicle is connected with described crossbeam outside.Draw track (Zugtrajektor) 10 and press track (Drucktrajektor) 11 to stretch in the plane 9 of beam section bar 1.These draw track 10 and press track 11 in Fig. 1, respectively to have a common initial point 12; 13.The initial point 12 that these draw track 10 and press track 11 also can have nothing in common with each other; 13.Initial point 12; 13 are arranged in the docking region 3 of beam section bar 1 at first.These draw track 10 and press track 11 to extend agley, wherein on these crossbeams 2, respectively have one to draw track 10 to press track 11 crossing in joining 14 with three, and respectively have one to press track 11 to draw track 10 crossing in joining 14 with three.Drawing track 10 and pressing between track 11, in beam section bar 1, be provided with and run through part 15.Draw track 10 and press the limit leg 16 of track 11 in the region 17 of joining 14, to there is respectively the form of parabola shaped breach 18.Draw track 10 and press track 11 in Fig. 1, to reflect the line of force tendency between each beam section bar 1.
Fig. 2 and Fig. 1 illustrate the composite structure being made up of multiple beam section bars 1 contrastively, wherein three crossbeams 2 shown in Figure 2 and two longerons that are parallel to each other 7.In the plane 9 of crossbeam 2, illustrate and drawn track 10 and press track 11.Draw track 10 and press track 11 asymmetricly to stretch each other in Fig. 2, can see, joining 14 is positioned on bending track 19.In the plane 9 of beam section bar 1, can be provided with multiple parts 15 that run through, these run through part 15 and can be respectively form by drawing track 10 and/or pressing track 11 to limit, and/or by the convex shoulder 8 of beam section bar 1 and/or dock region 3 and limit and form.
Fig. 3 illustrates the composite structure being made up of different beam section bars 1, every two parallel longerons 7 and three crossbeams 2 shown in it.These crossbeams 2 axially stretch each other with staggering.Crossbeam 2 interconnects by being connected boots 20 in Fig. 3 with longeron 7.Connecting boots 20 is connected with corresponding beam section bar 1 bolt.On connection boots 20 and beam section bar 1, be provided with the part 15 that runs through of the present invention.These run through part 15 and are limited each other by draw track 10, pressure track 11 and docking region 3 and the convex shoulder 8 of corresponding beam section bar 1.The connecting bridge of two longerons 7 and two crossbeams 21 suitably stretches, and the outside 5 of the docking region 3 of crossbeam 21 and the edge fit 6 of longeron 7 is docked.Power is according to drawing track 10 and pressing track 11 to be delivered to crossbeam 21 from longeron 7; 22.In Fig. 3, the initial point that draws track 10 and pressure track 11 of crossbeam 21 and 22 is arranged in the docking region 3 of crossbeam 21 and 22.Run through part 15 by double team be arranged on crossbeam 21; 22 draw between track 10 and pressure track 11 and convex shoulder 8 and docking region 3.Drawing track 10 and/or pressing between the limit leg 16 of track 11, joining 14 is arranged in region 17, draws track 10 and presses track 11 just crossing in described region 17.In the region 17 of limit leg 16 of drawing track 10 and pressure track 11, joining 14 is configured to parabola shaped breach 18.In Fig. 3, drawing track 10 and pressing track 11 and dock in the region between region 3 or convex shoulder 8, run through roughly triangular in shape or quadrangle of part 15.But running through part 15 and also can be any other geometric configuration in the plane 9 of beam section bar 1.In the connecting bridge of longeron 7 and crossbeam 21, power is drawn track 10 and presses track 11 according to what stretches in the plane 9 of crossbeam 21, is delivered on crossbeam 21.According to drawing track 10 and pressing track 11 in the plane 9 of crossbeam 22, power for example, by connecting boots 20 or in a similar manner, is delivered to crossbeam 22 from two longerons 7.
Fig. 4 is illustrated in and draws track 10 and press the joining 14 in the region 17 between track 11.Draw track 10 or press two limit legs 16 of track 11 to form parabola shaped breach 18.Compare with parabola shaped breach 18, in Fig. 4 in region 17 the interior circular radius 23 that goes out drawing track 10 by dotted lines and press the joining 14 between track 11.Parabola shaped breach 18 is for example subject to the load effect of the power of swallow Zhao arrow f.Drawing track 10 and pressing the opposite side of the joining 14 between track 11, above-mentioned two tracks 10,11 accumulate unique drawing-press track 24.The in the situation that of parabola shaped breach 18, drawing track 10 and pressing the stress between track 11 to be arranged in region 25 (referring to yyyyy) in the plane 9 of beam section bar 1.The in the situation that of circumferential notch 28, stress is distributed to two regions 26 in joining 14; On 27 (referring to xxxxx).
The stress of Fig. 5 in parabola shaped breach 18 and circumferential notch 28 shown in system of axes.In Y-axis, draw out stress changing curve 29, unit is N/mm*2, draws out the length of drawing track 10 or pressing the limit leg 16 of track 11 in X-axis.Similar with Fig. 4 above, shown in Figure 5, the stress changing curve of circumferential notch 28 has two obvious stress spikes 30 (corresponding to the region 26 in Fig. 4 than parabola shaped breach 18; 27), these stress spikes lay respectively near left side and right side (referring to Fig. 4) of the joining 14 of drawing track 10 or pressing two limit legs 16 of track 11.The stress changing curve 29 of parabola shaped breach 18 has obviously less stress spike 31 than circumferential notch 28.
Reference numerals list
1 beam section bar
2 crossbeams
3 docking regions
The inner face of 4 edge fits
The outside of 5 edge fits
6 edge fits
7 longerons
8 convex shoulders
The plane of 9 beam section bars
10 draw track
11 press track
12 initial points
13 initial points
14 joinings
15 run through part
16 limit legs
The region of 17 joinings 14
18 parabola shaped breach
Track/the curve of 19 bendings
20 connect boots
21 crossbeams
22 crossbeams
23 radiuses
24 draw track or press track
25 regions (yyyyy)
26 regions (xxxxx)
27 regions (xxxxx)
28 circumferential notches
29 stress changing curves
The stress spike of 30 circumferential notches
The stress spike of 31 parabola shaped breach
F arrow
Claims (7)
1. the beam section bar (1) of the chassis frame of a load-carrying vehicle, there is edge fit (6), this edge fit has at least one and runs through part (15), in order to be connected with another beam section bar (1), this edge fit has docking region (3), is provided with virtual drawing track and/or press track (10 on this docking region; 11), these tracks stretch in the plane (9) of edge fit (6), and reflect the tendency of the line of force, it is characterized in that, the part (15) that runs through being arranged in edge fit (6) crossing drawn track and/or is pressed track (10 by least two; 11) limit, and draw track and/or press track (10; 11) limit leg (16) has the form of parabola shaped breach (18) in the region (17) of joining (14).
2. beam section bar as claimed in claim 1, is characterized in that, draws track and/or presses track (10; 11) in the helical orbit of logarithm, stretch.
3. beam section bar as claimed in claim 1, is characterized in that, draws track and/or presses track (10; 11) stretch with ellipse.
4. beam section bar as claimed in claim 1, is characterized in that, draws track and/or presses track (10; 11) be symmetrical.
5. beam section bar as claimed in claim 1, is characterized in that, draws track and/or presses track (10; 11) be non-symmetrical.
6. beam section bar as claimed in claim 1, is characterized in that, runs through part (15) and has acute angle.
7. beam section bar as claimed in claim 1, is characterized in that, draws track and/or presses track (10; 11) outside edge fit, intersect.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009033826.8 | 2009-07-18 | ||
| DE102009033826.8A DE102009033826B4 (en) | 2009-07-18 | 2009-07-18 | Carrier profile of a chassis frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101954930A CN101954930A (en) | 2011-01-26 |
| CN101954930B true CN101954930B (en) | 2014-07-23 |
Family
ID=43383899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010232375.2A Active CN101954930B (en) | 2009-07-18 | 2010-07-16 | Beam profile of chassis frame |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN101954930B (en) |
| BR (1) | BRPI1002549B8 (en) |
| DE (1) | DE102009033826B4 (en) |
| RU (1) | RU2470815C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012011414A1 (en) * | 2012-06-08 | 2013-12-12 | Man Truck & Bus Ag | Frame or steering construction for a commercial vehicle |
| DE102012011416A1 (en) * | 2012-06-08 | 2013-12-12 | Man Truck & Bus Ag | Support bracket for a cross member comprehensive support structure for a motor vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1544628A1 (en) * | 1988-01-04 | 1990-02-23 | Научно-Производственное Объединение По Машинам Для Почвообработки, Подготовки И Внесения В Почву Минеральных Удобрений | Vehicle body chassis frame |
| EP1609704A2 (en) * | 2004-06-22 | 2005-12-28 | MTB Baustoffhandelsgesellschaft mbH & Co. KG | Chassis for heavy goods vehicle or trailer |
| DE102005015423A1 (en) * | 2005-04-04 | 2006-10-05 | Man Nutzfahrzeuge Ag | Closure cross bar for use in commercial vehicle, has mounting lug vertically arranged on both sides of middle bar, extending over entire height of bar and including holes that are arranged in mounting planes of other mounting lugs |
| CN101177148A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Automobile frame longitudinal beam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU517531A1 (en) * | 1974-12-20 | 1976-06-15 | Головное Союзное Конструкторское Бюро По Автобусам | Vehicle frame |
| SU1324911A1 (en) * | 1985-12-05 | 1987-07-23 | Камское объединение по производству большегрузных автомобилей | Vehicle frame |
| DE4428101C2 (en) * | 1994-08-09 | 2003-07-10 | Daimler Chrysler Ag | Frame head for a supporting frame of a truck |
| JP3521690B2 (en) * | 1997-06-13 | 2004-04-19 | 三菱ふそうトラック・バス株式会社 | Gusset |
| US7032928B2 (en) * | 2002-10-15 | 2006-04-25 | Dana Corporation | Vehicle frame |
| US7857348B2 (en) * | 2006-06-08 | 2010-12-28 | Metalsa Servicios S De Rl | Multi-function cross members for truck frames |
-
2009
- 2009-07-18 DE DE102009033826.8A patent/DE102009033826B4/en active Active
-
2010
- 2010-07-01 BR BRPI1002549A patent/BRPI1002549B8/en active IP Right Grant
- 2010-07-16 RU RU2010129942/11A patent/RU2470815C2/en active
- 2010-07-16 CN CN201010232375.2A patent/CN101954930B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1544628A1 (en) * | 1988-01-04 | 1990-02-23 | Научно-Производственное Объединение По Машинам Для Почвообработки, Подготовки И Внесения В Почву Минеральных Удобрений | Vehicle body chassis frame |
| EP1609704A2 (en) * | 2004-06-22 | 2005-12-28 | MTB Baustoffhandelsgesellschaft mbH & Co. KG | Chassis for heavy goods vehicle or trailer |
| DE102005015423A1 (en) * | 2005-04-04 | 2006-10-05 | Man Nutzfahrzeuge Ag | Closure cross bar for use in commercial vehicle, has mounting lug vertically arranged on both sides of middle bar, extending over entire height of bar and including holes that are arranged in mounting planes of other mounting lugs |
| CN101177148A (en) * | 2007-12-04 | 2008-05-14 | 东风汽车有限公司 | Automobile frame longitudinal beam |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-5560A 1999.01.12 |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2010129942A (en) | 2012-01-27 |
| DE102009033826B4 (en) | 2016-06-30 |
| BRPI1002549A2 (en) | 2012-03-13 |
| DE102009033826A1 (en) | 2011-01-27 |
| CN101954930A (en) | 2011-01-26 |
| RU2470815C2 (en) | 2012-12-27 |
| BRPI1002549B1 (en) | 2020-06-02 |
| BRPI1002549B8 (en) | 2020-12-22 |
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