CN204222581U - The crossbeam of compound guide rod shaft and compound guide rod shaft - Google Patents

The crossbeam of compound guide rod shaft and compound guide rod shaft Download PDF

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Publication number
CN204222581U
CN204222581U CN201420529871.8U CN201420529871U CN204222581U CN 204222581 U CN204222581 U CN 204222581U CN 201420529871 U CN201420529871 U CN 201420529871U CN 204222581 U CN204222581 U CN 204222581U
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CN
China
Prior art keywords
crossbeam
guide rod
compound guide
rod shaft
steel
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
CN201420529871.8U
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Chinese (zh)
Inventor
T·鲁普夫林
I·米勒
D·泽格勒
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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Filing date
Publication date
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Application granted granted Critical
Publication of CN204222581U publication Critical patent/CN204222581U/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/051—Trailing arm twist beam axles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/14—Torsion springs consisting of bars or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/20—Semi-rigid axle suspensions
    • B60G2200/23—Trailing arms connected by a U-shaped torsion bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/20—Constructional features of semi-rigid axles, e.g. twist beam type axles
    • B60G2206/201—Constructional features of semi-rigid axles, e.g. twist beam type axles with detachable cross beam and/or torsion stabiliser bar/tube

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Springs (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The utility model relates to a kind of crossbeam and compound guide rod shaft of compound guide rod shaft, and wherein the crossbeam (1) of compound guide rod shaft has open hollow section bar that is counter-bending and that easily reverse.Wherein, hollow material is the composite material (1) be made up of with second material with relative high modulus of elasticity first metallic material with relatively low modulus of elasticity.

Description

The crossbeam of compound guide rod shaft and compound guide rod shaft
Technical field
The utility model relates to a kind of crossbeam of the compound guide rod for compound guide rod shaft as described in the preamble according to claim 1 and compound guide rod shaft as described in the preamble according to claim 11.
Background technology
Compound guide rod shaft is preferably used as the back axle of the vehicle with f-w-d; This compound guide rod shaft is formed at longitudinal deflecting bar that vehicle side is hinged by two, and these two longitudinal deflecting bars are interconnected by crossbeam.Crossbeam to be arranged in the region between the hinge-point of vehicle side and the connecting element of wheel and to be subject to flexure stress and torsional stress when the side pressurized of wheel or resilience.Crossbeam has bending strength usually, but easily reverses (torsionsweich), so preferably adopt open hollow section bar.When crossbeam and longitudinal deflecting bar are made up of same material, such as steel, be such as connected by welding or by the mode that form fit connects between crossbeam and longitudinal deflecting bar.
By the known a kind of compound guide rod shaft with crossbeam of DE 10 2,007 052 632 A1, this crossbeam is configured to have the Torque tube of the longitudinal notch molded and cross-sectional plane has the profile of U-shaped or V-arrangement.Be parallel to crossbeam and be provided with stabiliser, two longitudinal deflecting bars are interconnected by this stabiliser.
By the known a kind of crossbeam for compound guide rod shaft of DE 196 53 959 C1, its center member has the cross-sectional plane made by the pipe cross-sectional deformation of circle is become the U-shaped profile of double-walled.Achieve torsion suppleness by U-shaped cross-section, that is, U-shaped cross-section is with relatively little resistance opposing tersional stress.
Utility model content
The purpose of this utility model is, in the crossbeam of the above-mentioned type, adjust bending stiffness and torsional stiffness best, namely when enabling weight light as far as possible on each direction in space.The purpose of this utility model is also, the stress making the bending stiffness of crossbeam and torsional stiffness optimally be adapted in running condition in the compound guide rod and compound guide rod shaft of the above-mentioned type to occur.
According to first scheme of the present utility model, in crossbeam, open hollow section bar is composite material by the first material and the second material structure, and wherein the first material has relatively low modulus of elasticity and the second material has relatively high modulus of elasticity.To this, the moment of area I of elastic modulus E and cross-sectional plane combines, namely product EI be measuring of bending stiffness and resistance to torsion.The flexure stress of crossbeam can be born by the material with higher elasticity modulus by these two kinds of composite materials and reduce torsional stress by having compared with the material of low elastic modulus.But the crossbeam that can provide a kind of not only counter-bending but also be easy to reverse is combined by this material.
According to one preferred embodiment, composite material is configured to extrudate.Therefore form the hollow material with constant cross-sectional plane, this hollow material can be made cost advantages.
According to another preferred embodiment, the first material is light metal or light-metal alloy, particularly magnesium or magnesium alloy.Also material aluminum or aluminum alloy can be used alternatively.The modulus of elasticity of magnesium is at 45kN/mm 2in the scope of left and right.To this, especially obtain being easy to the cross-sectional plane that reverses when using magnesium or magnesium alloy and crossbeam has light weight simultaneously.
According to another preferred embodiment, the second material is steel, that is, have about 200kN/mm 2the material of the modulus of elasticity of the order of magnitude.Therefore, material steel is suitable for the flexure stress, i.e. tensile stress and the compression effort that bear in crossbeam and guarantees high bending stiffness.
According to another preferred embodiment, the optimum position of hollow material embeds steel profile, preferably steel wire rod or steel rod, its thus in fact bear the flexure stress that occurs with strengthening in the perimeter at hollow material in for reinforcing hollow material.Be contained in the perimeter of hollow material steel wire rod or steel rod form fit and/or coupling of materials.Also can be connected ordinatedly with hollow material power by spinning while may straining.
According to another preferred embodiment, open hollow material is configured to C or V-type material, also can be wherein such other structures of such as open box material.Steel wire rod or steel rod are preferably arranged in the angular zone of hollow material cross-sectional plane.The cross-sectional plane of such as steel wire rod can form foursquare angle, the angle of rectangle or leg-of-mutton angle, but which constitutes and be easy to reverse resistant to bending cross-sectional plane.Light metal section bar between steel profile is used as distance member.
According to another preferred embodiment, steel profile has different cross-sectional planes.Such as can adopt larger cross-sectional plane and less cross-sectional plane can be adopted in the region of less flexure stress in the region of the flexure stress improved.In addition, also can construct the shape of cross-sectional plane changeably, such as, be configured to circular cross section or flat rectangular cross section.Crossbeam can be made thus to mate occurred stress targetedly.
According to another program of the present utility model, in the compound guide rod of compound guide rod shaft, be provided with the crossbeam of the feature with aforementioned embodiments.Therefore, longitudinal deflecting bar and the crossbeam of compound guide rod and compound guide rod shaft are made from a variety of materials, and this particularly reduces the weight of compound guide rod shaft simultaneously.
According to one preferred embodiment, pass through joint, be connected with longitudinal deflecting bar preferably by the crimping of form fit in the end of crossbeam, this longitudinal deflecting bar is such as formed from steel.This being connected avoids welding and longitudinal deflecting bar and crossbeam can be made to adopt different materials.
Accompanying drawing explanation
Embodiment of the present utility model is shown in the drawings and be described in detail below, wherein, from illustrating and/or can draw accompanying drawing other feature and/or advantage.In the accompanying drawings
Fig. 1 a-1d shows according to the composite material for crossbeam of the present utility model, and
Fig. 2 shows the compound guide rod had according to crossbeam of the present utility model.
Detailed description of the invention
Fig. 1 a to Fig. 1 d shows according to crossbeam 1 of the present utility model, and this crossbeam preferably can be used for being arranged in compound guide rod shaft.Crossbeam 1 is configured to open hollow section bar and is configured to composite material according to the utility model.Composite material refers to that hollow material is not be made up of a kind of identical material, but is made up of combination of materials.This combination of materials is made up of the steel of magnesium alloy and superhigh intensity in a preferred embodiment.Magnesium alloy forms actual hollow material, such as, be depicted as C or U-shaped material at this hollow material of Fig. 1 b.In a preferred embodiment, four steel wire rods 3a, 3b, 3c, 3d embed in hollow material 2, that is, steel wire rod or steel rod 3a to 3d are for reinforcing or strengthening the hollow material 2 according to Fig. 1 b.
Fig. 1 d shows the cross-sectional plane of the crossbeam 1 comprising open hollow section bar 2 and steel wire rod 3a to 3d.The shape of this cross-sectional plane corresponds to Horseshoe, and wherein, steel wire rod 3a, 3b in (in accompanying drawing) upper area have the diameter larger than steel wire rod 3c, the 3d in the lower area or open area of section bar.Composite material or crossbeam 1 is manufactured preferably by extruding.
The crossbeam (to this see Fig. 2) of the compound guide rod of compound guide rod shaft is subject to bending and torsion when vehicle operation, when the side pressurized of wheel or resilience.In principle the size of crossbeam is set to, makes this crossbeam have bending strength on the one hand, but on the other hand there is again torsion suppleness.Thus, also adopt open hollow section bar according to the utility model, the opening 4 namely longitudinally stretched (Fig. 1 d) between steel wire rod 3c, 3d extends.By selecting magnesium or magnesium alloy materials to further promote torsion suppleness, magnesium or magnesium alloy have about 45kN/mm 2the modulus of elasticity of the order of magnitude, namely has relatively low modulus of elasticity, modulus of elasticity and resistance to torsion proportional; Modulus of elasticity is less, and hollow material more easily reverses.Steel material on the other hand for the manufacture of steel wire rod 3a to 3d has about 200kN/mm 2the modulus of elasticity of the order of magnitude.First the steel wire rod 3a to 3d of crossbeam 1 bears flexure stress, and bears torsional stress as the magnesium hollow material 2 of the distance member of steel wire rod 3a to 3d.In fact steel wire rod 3a to 3d does not produce counteraction, thus forms the structure being easy to reverse.Due to high content of magnesium, reduce the weight of crossbeam relative to the traditional crossbeam be usually only made up of Steel material.
Replace the combination of materials be preferably made up of magnesium or magnesium alloy and steel, in scope of the present utility model, also can adopt the combination of materials be made up of aluminum or aluminum alloy and steel.Aluminium also has relatively low modulus of elasticity relative to steel, approximately uniform effect when therefore obtaining and use magnesium.
Fig. 2 shows according to the compound guide rod 5 had according to crossbeam 6 of the present utility model of the present utility model.This compound guide rod 5 comprises longitudinal deflecting bar 7,8 that two have the bearing of vehicle side or attachment point 7b, 8b of hinge-point 7a, 8a and wheel side respectively.In longitudinal deflecting bar 7,8, arrange containing seat 9,10 in hinge-point 7a, 8a of vehicle side and wheel side between attachment point 7b, 8b, the end of crossbeam 6 is contained in this containing seat.Crossbeam 6 is connected with two longitudinal deflecting bars 7,8 with the crimping of two end by the connection of form fit, particularly form fit.
Reference numerals list
1 crossbeam,
2 hollow materials,
3a-3d steel profile (steel wire rod),
4 openings,
5 compound guide rods,
6 crossbeams,
7 longitudinal deflecting bars,
The bearing of 7a vehicle side,
7b wheel side hinge-point,
8 longitudinal deflecting bars,
The bearing of 8a vehicle side,
The hinge-point of 8b wheel side,
9 containing seats,
10 containing seats.

Claims (13)

1. the crossbeam of compound guide rod or compound guide rod shaft, described crossbeam has open hollow section bar that is counter-bending and that easily reverse, it is characterized in that, described hollow material is composite material (1) by first metallic material with relatively low modulus of elasticity with second material structure with relative high modulus of elasticity.
2. according to crossbeam according to claim 1, it is characterized in that, described composite material (1) is extrudate.
3. according to the crossbeam described in claim 1 or 2, it is characterized in that, described first metallic material is light metal or light-metal alloy.
4. according to crossbeam according to claim 3, it is characterized in that, described first metallic material is the alloy of magnesium or aluminium or magnesium and/or aluminium.
5. according to the crossbeam described in claim 1 or 2, it is characterized in that, described second material is steel.
6. according to the crossbeam described in claim 1 or 2, it is characterized in that, preferred position is embedded with steel profile (3a-3d) in hollow material (2).
7. according to crossbeam according to claim 6, it is characterized in that, described steel profile is steel wire rod (3a-3d).
8. according to the crossbeam described in claim 1 or 2, it is characterized in that, open hollow section bar (2) is C or V-type material.
9. according to crossbeam according to claim 6, it is characterized in that, described steel profile (3a-3d) particularly form fit, coupling of materials and/or power is arranged on having in the transverse cross-sectional area of the flexure stress of raising of hollow material (2) ordinatedly.
10. according to crossbeam according to claim 6, it is characterized in that, the cross-sectional plane that described steel profile (3a-3d) has shape and varies in size.
11. for the compound guide rod of compound guide rod shaft, and it is characterized in that, described compound guide rod is made up of crossbeam (6) according to any one in aforementioned claim.
12. compound guide rod shafts, it comprises the crossbeam (6) that two longitudinal deflecting bars (7,8) are connected with by described longitudinal deflecting bar (7,8), it is characterized in that, described crossbeam (6) constructs according to any one in aforementioned claim.
13., according to compound guide rod shaft according to claim 12, is characterized in that, the connection between longitudinal deflecting bar (7,8) and crossbeam (6) is for being connected (9,10).
CN201420529871.8U 2013-12-17 2014-09-15 The crossbeam of compound guide rod shaft and compound guide rod shaft Expired - Fee Related CN204222581U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013226193.4A DE102013226193A1 (en) 2013-12-17 2013-12-17 Cross member of a torsion beam axle and torsion beam axle
DE102013226193.4 2013-12-17

Publications (1)

Publication Number Publication Date
CN204222581U true CN204222581U (en) 2015-03-25

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ID=52920710

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Application Number Title Priority Date Filing Date
CN201420529871.8U Expired - Fee Related CN204222581U (en) 2013-12-17 2014-09-15 The crossbeam of compound guide rod shaft and compound guide rod shaft

Country Status (2)

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CN (1) CN204222581U (en)
DE (1) DE102013226193A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018104885A1 (en) * 2017-11-15 2019-01-24 Schaeffler Technologies AG & Co. KG Torsion bar and active roll stabilizer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653959C1 (en) 1996-12-21 1998-02-05 Benteler Werke Ag Cross-bearer forming indirect component part of compound steering shaft
FR2808737B1 (en) * 2000-05-10 2002-08-02 Peugeot Citroen Automobiles Sa LIGHT REAR TRAIN OF MOTOR VEHICLE
FR2811938B1 (en) * 2000-07-18 2002-10-11 Peugeot Citroen Automobiles Sa DEVICE FOR FIXING A CROSSBAR FOR THE REAR TRAIN OF A MOTOR VEHICLE
FR2813236B1 (en) * 2000-08-31 2002-12-06 Peugeot Citroen Automobiles Sa REAR TRAIN OF MOTOR VEHICLE AND METHOD FOR MANUFACTURING SUCH REAR TRAIN
DE102007052632A1 (en) 2007-11-05 2009-05-07 Benteler Automobiltechnik Gmbh Beam axle
DE102010037817A1 (en) * 2010-09-28 2012-03-29 Thyssenkrupp Steel Europe Ag Structural or chassis part of a motor vehicle

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Legal Events

Date Code Title Description
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: 20150325

Termination date: 20160915

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