CN100358671C - Method for straightening cross-beam of car and apparatus thereof - Google Patents

Method for straightening cross-beam of car and apparatus thereof Download PDF

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Publication number
CN100358671C
CN100358671C CNB2005101339682A CN200510133968A CN100358671C CN 100358671 C CN100358671 C CN 100358671C CN B2005101339682 A CNB2005101339682 A CN B2005101339682A CN 200510133968 A CN200510133968 A CN 200510133968A CN 100358671 C CN100358671 C CN 100358671C
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base
turnover panel
rivet
cross
pillow steel
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CNB2005101339682A
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CN1792542A (en
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申勇
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Abstract

The present invention relates to a method for straightening deformed cross beams of a car and an apparatus thereof. Deformed cross beams are straightened after the deformed cross beams are disassembled by using a cold method, a fissuring beam is carried out with triangle weld, and a damaged rivet hole is additionally welded and is drilled again; the center of a base is longitudinally fixed with pillow steel by using the apparatus, turning plates are fixed on both sides of the pillow steel, a cross arm hole is arranged on a hydraulic cylinder frame, and the lower part of a cylinder rod is hinged with a fixed press head and is arranged in a lateral direction; the cross beams which are straightened and welded are all assembled on an upper balancing stand, aging treatment which is more than 48 hours is carried out before the cross beams are assembled, screw bolt assemblies are selected for preliminary fastening before the cross beams are riveted, and rivets replace the screw bolt assemblies one by one and are riveted by a cold riveter. The present invention is the straightening method which can effectively enhance integral performance after deformed cross beams of a car are reassembled and the apparatus thereof.

Description

Method for straightening cross-beam of car and equipment thereof
One, technical field
The present invention relates to the aligning method and the equipment thereof of automotive frame, is aligning method and the equipment that is applicable to the flexural deformation automotive frame.
Two, background technology
At present, automotive frame distortion back does to scrap processing mostly, a large amount of wastes have so just been caused, though at some auto repair websites, also to the distortion straightening cross-beam of car, the general integral body that adopts is proofreaied and correct, and this method can not eliminate because the internal stress that the crossbeam distortion is caused, under the effect of stress, produce distortion again after making crossbeam after the correction easily produce fracture or use a period of time, so just easily cause vehicle trembling and sideslip and overturn accident when braking under steam.The employing thermal cutting method that has is removed local distortion and is scrapped rivet, and this method easily causes between crossbeam and other crossbeam to have internal stress the crossbeam performance decline after causing re-assemblying behind rivet clasp again.Because only change parts and the rivet that has been out of shape or has damaged, after ressembling, the rivet clasp power of new and old rivet is inconsistent, and the design vibration frequency of crossbeam integral body is destroyed, the uniformity of body vibration is poor, easily causes the fracture of crossbeam.Existing straightening cross-beam of car equipment can not stop the new distortion of crossbeam in alignment process effectively, can not be to scrapping the variable shaped beam alignment, be the crossbeam itself after the alignment linearity and and other each parts between perpendicularity also be difficult to guarantee.
Three, summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and can eliminate distortion crossbeam internal stress effectively, improve the linearity of crossbeam after re-assemblying and the method for straightening cross-beam of car and the equipment thereof of overall performance.
Purpose of the present invention can realize by following technical scheme: method for straightening cross-beam of car and equipment thereof, described method is with the connection rivet complete removal between each parts of distortion crossbeam, crossbeam is all disassembled, remove the greasy dirt of disassembling back girder and crossbeam outer surface then, remove the burr of each rivet hole periphery, adopt hammering method to check the slight crack of each parts again, the parts that fracture and slight crack are arranged are adopted three fillet welding welding at place, crack bevel, in the both sides of fracture place every side remove greater than the triangles of 60 degree and on the beam body bevel, with with the benefit plate bevel that matches after dock the opening part both sides after repair welding in indentation, there, with boring in position again after the rivet hole employing repair welding method shutoff that damages on the beam, the size of boring is identical with impaired preceding foramen primum, parts after will disassembling again adopt the straighten while cold method to carry out alignment and make its reinstatement on alignment equipment by part, reset processing is carried out on deformation component facade and perpendicular plane makes it recover original plumbness, above-mentioned each parts after the processing carry out the Ageing Treatment more than 48 hours at normal temperatures, all parts after the Ageing Treatment are put on the balancer to be assembled, make the depth of parallelism and perpendicularity between each parts reach designing requirement, in each rivet hole, install bolt then, use bolt, nut assembly with each parts fit together carry out prefastened, bolt assembly is replaced one by one with rivet in fastening back, rivet on replacing is solid with the cold riveting riveting by machine, with polishing machine weld bond is polished after rivet clasp finishes, all spray paint after the weld bonds polishing; It is made up of described alignment equipment base, hydraulic cylinder frame, hydraulic cylinder, cylinder bar, pressure head.Base is a rectangle base, on base, vertically be fixed with the pillow steel, the upper plane of pillow steel is parallel with the upper plane of base, vertical symmetrical center line of pillow steel and vertical symmetrical centre line parallel of base, on the left and right sides wall on pillow steel top, be fixed with a plurality of rotating plate shafts perpendicular to its sidewall, a plurality of rotating plate shafts vertically distribute symmetrically the pillow steel, turnover panel is housed on rotating plate shaft, the sidewall of turnover panel inboard is vertical with rotating plate shaft, the distance of the turnover panel of the left and right sides is more than or equal to the Breadth Maximum of crossbeam, on the pillow steel, the turnover panel locating piece is arranged, be fixed with the hydraulic cylinder frame of a shape on the top of base, be fixed with hydraulic cylinder on the hydraulic cylinder frame, the axial line of hydraulic cylinder telescoping cylinder bar is vertical and in same plane with vertical symmetrical center line of pillow steel, in the bottom of cylinder bar pressure head is housed.
Purpose of the present invention can also realize by following technical scheme: the method for described removal rivet is the cold method of tearing open, be to adopt head to apply cross shear fast at rivet, remove manufactured head, then rivet bar is hit in the hole, the diameter of the used rivet in assembling back is assembled with the big 0.1-1mm of rivet diameter than original.
The integrally bending crossbeam is oppositely drawn, presses, make it eliminate fold, carry out carrying out annealing in process again after the flame treatment, make its shape and mechanical performance reach original state the heat treated that has the fold place that forms because of distortion to apply flame.
The base of described alignment equipment is a cuboid frame-type base, the pillow steel is on cuboid and the vertical symmetrical center line that is fixed in base, the upper plane of pillow steel is concordant with the upper plane of base, on the pillow steel, the turnover panel back-up block is arranged, the turnover panel back-up block is positioned at the bottom of turnover panel, the upper plane of turnover panel is concordant with the upper plane of pillow steel, between the bottom of the outer end of trip shaft and pillow steel, be fixed with bracing frame, the reverses direction of turnover panel is that all turn over to symmetrical plane one side at the center with the lateral symmetry plane of base, the longitudinal side wall of a plurality of turnover panels of the left and right sides lays respectively on same vertical vertical plane of the left and right sides, the hydraulic cylinder frame is fixed in the lateral symmetry center of base, the axial line of cylinder bar is positioned at the lateral symmetry plane of pillow steel, pressure head is a cuboid, and pressure head laterally hinge joint is fixed on the cylinder bar and the front and back symmetry.
The turnover panel of being adorned on the steel at pillow is the 4-20 piece, and turnover panel is up-narrow and down-wide right-angled trapezium plate body, or turnover panel is the plate body of right angled triangle, and right-angle side is positioned at the inboard longitudinal side wall of turnover panel that is.
The cross section of pillow steel be height greater than the width rectangle, the length of resting the head on steel equals the length of base.The flip angle that turnover panel makes progress is the 0-90 degree.
On front and back two columns of the hydraulic cylinder frame of door shape, be provided with the cross-arm hole, symmetry before and after the cross-arm hole on two columns, the base plane in cross-arm hole is parallel with the upper surface of base.
The cross-arm hole is a square opening, the symmetrical centre line in two holes be parallel to base the upper surface and with the pillow steel lateral vertical.
The present invention compared with prior art has following advantage:
1, adopt the cold method of disassembling, make re-assembly after the crossbeam internal stress little, overall performance is good, has eliminated the phenomenon that causes the crossbeam cracking because of local internal stress.
2, the rivet clasp power high conformity of each rivet of assembling back has been eliminated because the unreal vibration that causes of local rivet clasp and distortion or the phenomenon that ftractures again.
3, alignment equipment can guarantee the linearity and the perpendicularity of alignment crossbeam effectively, has improved the overall performance of assembling back crossbeam.
4, Ageing Treatment can be eliminated the remaining internal stress of each parts of crossbeam effectively, has guaranteed that the long-term use of crossbeam of assembling back is indeformable.
Four, description of drawings
Fig. 1 is the front view of straightening cross-beam of car equipment.
Fig. 2 is the vertical view of straightening cross-beam of car equipment.
Fig. 3 is the left view of straightening cross-beam of car equipment.
Five, the specific embodiment
Shown in Fig. 1-3: method for straightening cross-beam of car and equipment thereof, described method is that the rivet that will connect between each parts of distortion crossbeam is all removed with the cold method of tearing open, remove the greasy dirt of disassembling back girder and crossbeam outer surface then, remove the burr of each rivet hole periphery, adopt hammering method to check the slight crack of each parts again, the parts that fracture and slight crack are arranged are adopted three fillet welding welding at place, crack bevel, A with the institute's porose employing repair welding method shutoff that damages on the beam after boring in position, the size of boring is identical with impaired preceding foramen primum, on alignment equipment, adopt the straighten while cold method to carry out alignment and make its reinstatement by part the parts after disassembling, the straighten while cold method is for carrying out alignment under situation about not heating, reset processing is carried out on deformation component facade and perpendicular plane makes it recover original plumbness, above-mentioned each parts after handling are carried out Ageing Treatment more than 48 hours at normal temperatures, all parts after the Ageing Treatment are put on the balancer assemble, make the depth of parallelism between each parts of assembling back reach designing requirement with vertical, in each rivet hole, install bolt then, with bolt and nut component with each parts fit together carry out prefastened, bolt assembly is replaced one by one with rivet in fastening back, use the cold riveting machine with the rivet rivet clasp riveting of replacing, with polishing machine weld bond is polished after rivet clasp finishes, all spray paint after the weld bonds polishing; The cold method of tearing open of removing rivet is to adopt cold patterning method to remove rivet, both the head at rivet applied cross shear fast, remove manufactured head, hit in the hole with the rivet bar of instrument with remnants then, the diameter of the used rivet in assembling back is than the diameter big 1mm of original assembling with rivet.He is made up of described alignment equipment base 1, hydraulic cylinder frame 2, hydraulic cylinder 3, cylinder bar 10, pressure head 11.Base 1 is a rectangular frame formula base, longitudinal center at base 1 is fixed with pillow steel 4, the length of pillow steel is 3m, the upper plane of pillow steel 4 is concordant with the upper plane of base 1, on the left and right sides wall on pillow steel 4 tops, be fixed with 8 rotating plate shafts 6 perpendicular to its sidewall, 8 rotating plate shafts 6 vertically distributing symmetrically at pillow steel 4, the turnover panel 5 of right angled triangle is housed on rotating plate shaft 6, turnover panel 5 inboards are that this right-angle side of right-angle side is vertical with rotating plate shaft 6, on pillow steel 4, turnover panel locating piece 7 is arranged, be fixed with the hydraulic cylinder frame 2 of a shape on the top of base 1, on hydraulic cylinder frame 2, be fixed with hydraulic cylinder 3, the axial line of hydraulic cylinder 3 telescoping cylinder bars 10 is also vertical in same plane with vertical symmetrical center line of pillow steel 4, is fixed with pressure head 11 in the hinge joint of the bottom of cylinder bar 10.On pillow steel 4, turnover panel back-up block 9 is arranged, turnover panel back-up block 9 is positioned at the bottom of turnover panel 5, under the support of rotating plate shaft 6 and turnover panel back-up block 9, the upper plane of turnover panel 5 is concordant with the upper plane of pillow steel 4, between the bottom of the outer end of trip shaft 6 and pillow steel 4, be fixed with the bracing frame 12 of brace formula, the reverses direction of turnover panel 5 is that all turn over to symmetrical plane one side at the center with the lateral symmetry plane of base 1, the longitudinal side wall of the right angle edges of boards of each 4 turnover panel 5 of the left and right sides lays respectively on same vertical vertical plane of the left and right sides, the distance of turnover panel 5 medial surfaces of the left and right sides is 100mm, hydraulic cylinder frame 2 is fixed in the lateral symmetry center of base 1, the axial line of cylinder bar 10 is positioned at the lateral symmetry plane of pillow steel 4, pressure head 11 is a cuboid, and pressure head 11 laterally hinge joint is fixed on the cylinder bar 10 and the front and back symmetry.The cross section of pillow steel 4 be height greater than the width rectangle, the length of resting the head on steel 4 equals the length of base 1, the flip angle that turnover panel 5 makes progress is the 0-90 degree.Be provided with the cross-arm hole 8 front and back symmetries on 8, two columns of cross-arm hole on front and back two columns of the hydraulic cylinder frame of door shape, the base plane in cross-arm hole is parallel with the upper surface of base 1.Cross-arm hole 8 is a square opening, the symmetrical centre line in two holes be parallel to base 1 the upper surface and with the pillow steel 4 lateral vertical.
Cold riveting machine used in the present invention and coldly tear equipment open and instrument is the equipment of prior art.

Claims (9)

1, method for straightening cross-beam of car, it is characterized in that: described method is with the connection rivet complete removal between each parts of distortion crossbeam, crossbeam is disassembled, remove the greasy dirt of disassembling back girder and crossbeam outer surface then, remove the burr of each rivet hole periphery, adopt hammering method to check the slight crack of each parts again, the parts that fracture and slight crack are arranged are adopted three fillet welding welding at place, crack bevel, in the both sides of fracture place every side remove greater than the triangles of 60 degree and on the beam body bevel, with with the benefit plate bevel that matches after dock the opening part both sides after repair welding in indentation, there, with boring in position again after the hole employing repair welding method shutoff that damages on the beam, the size of boring is identical with impaired preceding foramen primum, parts after disassembling adopt the straighten while cold method to carry out alignment and make its reinstatement on alignment equipment by part, to have the facade of deformation component and perpendicular plane to carry out reset processing makes it recover original plumbness, above-mentioned each parts after the processing carry out the Ageing Treatment more than 48 hours at normal temperatures, all parts after the Ageing Treatment are put on the balancer to be assembled, make the depth of parallelism and perpendicularity between each parts reach designing requirement, in each rivet hole, install bolt then, with bolt and nut component with each parts fit together carry out prefastened, bolt assembly is replaced one by one with rivet in fastening back, rivet on replacing is solid with the cold riveting riveting by machine, with polishing machine weld bond is polished after rivet clasp finishes, all spray paint after the weld bonds polishing.
2, straightening cross-beam of car equipment, it is characterized in that: alignment equipment is by base (1), hydraulic cylinder frame (2), hydraulic cylinder (3), cylinder bar (10), pressure head (11) is formed, base (1) is a rectangle base, on base (1), vertically be fixed with pillow steel (4), the upper plane of pillow steel (4) is parallel with the upper plane of base (1), vertical symmetrical center line of pillow steel (4) and vertical symmetrical centre line parallel of base (1), on the left and right sides wall on pillow steel (4) top, be fixed with a plurality of rotating plate shafts (6) perpendicular to its sidewall, a plurality of rotating plate shafts (6) vertically distribute symmetrically pillow steel (4), turnover panel (5) is housed on rotating plate shaft (6), the sidewall of turnover panel (5) inboard is vertical with rotating plate shaft (6), the distance of the turnover panel of the left and right sides (5) is more than or equal to the Breadth Maximum of crossbeam, on pillow steel (4), turnover panel locating piece (7) is arranged, be fixed with the hydraulic cylinder frame (2) of a shape on the top of base (1), on hydraulic cylinder frame (2), be fixed with hydraulic cylinder (3), the axial line of hydraulic cylinder (3) telescoping cylinder bar (10) is vertical and in same plane with vertical symmetrical center line of pillow steel (4), in the bottom of cylinder bar (10) pressure head (11) is housed.
3, method for straightening cross-beam of car according to claim 1, it is characterized in that: the method for described removal rivet is the cold method of tearing open, be to adopt head to apply cross shear fast at rivet, remove manufactured head, remove rivet bar then, the diameter of the used rivet in assembling back is than the diameter big 0.1-1mm of former assembling with rivet.
4, method for straightening cross-beam of car according to claim 1, it is characterized in that: the integrally bending crossbeam is oppositely drawn, presses, the heat treated that the fold place that forms because of distortion is applied flame makes it eliminate fold, carry out carrying out annealing in process again after the flame treatment, make it reach original state.
5, straightening cross-beam of car equipment according to claim 2, it is characterized in that: the base of described alignment equipment (1) is a cuboid frame-type base, pillow steel (4) is cuboid and is fixed on vertical symmetrical center line of base (1), the upper plane of pillow steel (4) is concordant with the upper plane of base (1), on pillow steel (4), turnover panel back-up block (9) is arranged, turnover panel back-up block (9) is positioned at the bottom of turnover panel (5), the upper plane of turnover panel (5) is concordant with the upper plane of pillow steel (4), between the bottom of the outer end of trip shaft (6) and pillow steel (4), be fixed with bracing frame (12), the reverses direction of turnover panel (5) is that all turn over to symmetrical plane one side at the center with the lateral symmetry plane of base (1), the longitudinal side wall of a plurality of turnover panels (5) of the left and right sides lays respectively on same vertical vertical plane of the left and right sides, hydraulic cylinder frame (2) is fixed in the lateral symmetry center of base (1), the axial line of cylinder bar (10) is positioned at the lateral symmetry plane of pillow steel (4), pressure head (11) is a cuboid, and pressure head (11) laterally hinge joint is fixed in that cylinder bar (10) is gone up and front and back are symmetrical.
6, straightening cross-beam of car equipment according to claim 5, it is characterized in that: the turnover panel of being adorned on pillow steel (4) (5) is the 4-20 piece, turnover panel (5) is up-narrow and down-wide right-angled trapezium plate body, or turnover panel (5) is the plate body of right angled triangle, and right-angle side is positioned at the inboard longitudinal side wall of turnover panel (5) that is.
7, straightening cross-beam of car equipment according to claim 5 is characterized in that: greater than the width rectangle, the length of pillow steel (4) equals the length of base (1) to the cross section of pillow steel (4) for highly, and the flip angle that turnover panel (5) makes progress is the 0-90 degree.
8, according to claim 2 or 5 described straightening cross-beam of car equipment, it is characterized in that: on front and back two columns of the hydraulic cylinder frame (2) of door shape, be provided with cross-arm hole (8), symmetry before and after the cross-arm hole (8) on two columns, the base plane in cross-arm hole is parallel with the upper surface of base (1).
9, straightening cross-beam of car equipment according to claim 8 is characterized in that: cross-arm hole (8) are square opening, the symmetrical centre line in two holes be parallel to base (1) the upper surface and with the pillow steel (4) lateral vertical.
CNB2005101339682A 2005-12-23 2005-12-23 Method for straightening cross-beam of car and apparatus thereof Expired - Fee Related CN100358671C (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913050A (en) * 2010-07-20 2010-12-15 郑宗仁 Method for recycling scrapped charging barrels and screw rods of molding machines

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CN101391358B (en) * 2008-10-28 2014-02-12 南车南京浦镇车辆有限公司 Method for processing welding frame device using bolt, pun bush as positioning reference
CN108262370A (en) * 2017-01-03 2018-07-10 五冶集团上海有限公司 A kind of large-area plate flame straightening fixture and method
CN107891102B (en) * 2017-11-14 2019-09-10 中车长春轨道客车股份有限公司 The manufacturing method of subway vehicle window mouth beam
CN110026452A (en) * 2019-03-25 2019-07-19 铜陵有色金属集团铜冠矿山建设股份有限公司 Large-scale mine elevator brake disc deflection corrects restorative procedure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111239A (en) * 1966-12-08 1968-04-24 Latuff Hercul Ease Company Vehicle frame straightening device
GB2027623A (en) * 1978-08-04 1980-02-27 Applied Power Inc Straightening apparatus
US5031438A (en) * 1990-03-22 1991-07-16 Flannery Bevan M Apparatus for repairing damaged vehicles
EP0475344A1 (en) * 1990-09-11 1992-03-18 BLACKHAWK GmbH Straightening apparatus
DE4135199A1 (en) * 1991-10-25 1993-04-29 Reinhold Gregarek Straightening device for motor vehicle - has double-armed longitudinal beams, forming carriage frame for vehicle support/transportation carriages and has straightening tool fastened to support track
CN2635643Y (en) * 2003-07-18 2004-08-25 烟台开发区奔腾汽车检测维修设备有限公司 Longitudinal beam correcting platform

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111239A (en) * 1966-12-08 1968-04-24 Latuff Hercul Ease Company Vehicle frame straightening device
GB2027623A (en) * 1978-08-04 1980-02-27 Applied Power Inc Straightening apparatus
US5031438A (en) * 1990-03-22 1991-07-16 Flannery Bevan M Apparatus for repairing damaged vehicles
EP0475344A1 (en) * 1990-09-11 1992-03-18 BLACKHAWK GmbH Straightening apparatus
DE4135199A1 (en) * 1991-10-25 1993-04-29 Reinhold Gregarek Straightening device for motor vehicle - has double-armed longitudinal beams, forming carriage frame for vehicle support/transportation carriages and has straightening tool fastened to support track
CN2635643Y (en) * 2003-07-18 2004-08-25 烟台开发区奔腾汽车检测维修设备有限公司 Longitudinal beam correcting platform

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913050A (en) * 2010-07-20 2010-12-15 郑宗仁 Method for recycling scrapped charging barrels and screw rods of molding machines

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