CN104316330A - Light frame type rear torsion beam test device and design method thereof - Google Patents
Light frame type rear torsion beam test device and design method thereof Download PDFInfo
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- CN104316330A CN104316330A CN201410512677.3A CN201410512677A CN104316330A CN 104316330 A CN104316330 A CN 104316330A CN 201410512677 A CN201410512677 A CN 201410512677A CN 104316330 A CN104316330 A CN 104316330A
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Abstract
The invention relates to a light frame type rear torsion beam test device and a design method thereof. The light frame type rear torsion beam test device comprises support mounting plates, upright columns, cross beams and vertical beams; the support mounting plates are fixed to the bottom ends of the upright columns; first reinforcing blocks are welded between the support mounting plates and the upright columns; the four upright columns are distributed in a manner that the four upright columns can form a rectangle; one vertical beam is fixed to the first upright column and the third upright column, and the other vertical beam is fixed to the second upright column and the fourth upright column; the first cross beam is fixed between the first upright column and the second upright column; the second cross beam is fixed between the third upright column and the fourth upright column; two ends of the second cross beam extend out from a space between the two vertical beams; mounting blocks are fixed to the lower parts of the two ends of the second cross beam; and a shock absorber support mounting block is fixed to the vertical beams respectively. The light frame type rear torsion beam test device of the invention has the advantages of simple structure, reliable use and short design and production cycles, and can meet requirements of test requirements.
Description
Technical field
The invention belongs to auto parts and components test unit technical field, particularly relate to torsion beam test unit and method for designing thereof after a kind of Light-frame formula.
Background technology
Automobile rear torsion beam bench test, for reaching the effect of performance test, the rigidity of General Requirements test fixture tie point is more than or equal to the rigidity value of vehicle body.For ensureing fixture rigidity, test fixture built by current multiplex steel plate; The wide width wing edge H profile steel of the even direct sub-column that builds a house had makes jig frame, to meet rigidity requirement.There is following defect: 1, for different tests operating mode, same test specimen has multiple different point of application, and the scheme that steel plate is built is for getting out of the way each force application location, and designing and making gets up complicated structure; 2, the test fixture consumable quantity for large volume is large, and processing capacity is large, uneconomical; 3, weld seam is many, and distortion is large, and size not easily ensures; 4, the Static stiffness of fixture and dynamic stiffness not easily meet requirement of experiment; 5, the requirement of design to slip-stick artist of fixture is higher.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of structure simple, use reliable, the designing and making cycle is short, can meet torsion beam test unit and method for designing thereof after the Light-frame formula of testing requirements.
The object of the invention is to have come by following technical solution, the column, the crossbeam be made up of first crossbeam, second cross beam, the vertical beam that comprise carriage mounting plate, are made up of the first column, the second column, the 3rd column, the 4th column, described carriage mounting plate is fixed on the bottom of column, is welded with the first boss between this carriage mounting plate and column; Rectangular shape distribution between this four root post, described vertical beam is individually fixed on the first column, the 3rd column and the second column, the 4th column, first crossbeam is fixed with between this first column, the second column, 3rd column, the 4th is fixed with second cross beam between column and vertical beam, the two ends of this second cross beam stretch out between two vertical beams, and the below at second cross beam two ends is fixed with mounting blocks; Vertical beam is fixed with shock absorber support mounting blocks respectively, rear torsion beam is installed between mounting blocks and shock absorber support mounting blocks, be connected to a fixed by joint pin between this shock absorber support mounting blocks and rear torsion beam, the both sides of rear torsion beam are separately installed with upper spring disk.
As preferably, described crossbeam is positioned at the below of vertical beam, and is welded and fixed by the second boss between vertical beam and second cross beam, is welded and fixed between vertical beam and column by upright post reinforcing plate; Be welded and fixed by the 3rd boss between first crossbeam and the first column, the second column.
Adopt a method for designing for torsion beam test unit after Light-frame formula described above, comprise the steps:
1), to test unit carry out tower structure design, and according to the design experiences of existing test unit, framed structure is strengthened by boss;
2), use the rigidity value of CAE technique computes each stress point, the rigidity value of the body stiffness required with main engine plants contrasts, and analyzes according to comparing result, as rigidity value is less than the rigidity value of body stiffness, then carries out local strengthening by boss;
3), to the test unit after local strengthening recalculate comparative analysis, and comprehensively strengthen according to analysis result, and contrast with required value, until meet the demands.
Beneficial effect of the present invention is: 1, replace original complicated clean steel plate building structure with tower structure; In apparatus design, use cae analysis advantage, make device that less material can be selected to meet the Rigidity and strength requirement of fixture itself; 2, steel plate building structure is replaced with tower structure, can design volume is larger as requested frame type clamp; Framed structure free space is large, and the force not affecting each point of application is arranged; Framed structure is in conjunction with cae analysis on the basis of assurance device strength and stability, and saveall makes consumptive material, alleviates fixture own wt, good economy performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is torsion beam test unit design flow diagram after frame-type of the present invention.
Label in accompanying drawing is respectively: 1, carriage mounting plate; 2, vertical beam; 4, boss; 6, mounting blocks; 7, shock absorber support mounting blocks; 8, rear torsion beam; 9, joint pin; 10, upper spring disk; 11, the second boss; 12, upright post reinforcing plate; 13, the 3rd boss; 31, the first column; 32, the second column; 33, the 3rd column; 34, the 4th column; 51, first crossbeam; 52, second cross beam.
Embodiment
Below in conjunction with accompanying drawing, detailed introduction is done to the present invention: as shown in Figure 1, the column, the crossbeam be made up of first crossbeam 51, second cross beam 52, the vertical beam 2 that the present invention includes carriage mounting plate 1, are made up of the first column 31, second column 32, the 3rd column 33, the 4th column 34, described carriage mounting plate 1 is fixed on the bottom of column, is welded with the first boss 4 between this carriage mounting plate 1 and column; Rectangular shape distribution between this four root post, described vertical beam 2 is individually fixed on the first column 31, the 3rd column 33 and the second column 32, the 4th column 34, first crossbeam 51 is fixed with between this first column 31, second column 32,3rd column 33, between the 4th column 34 and vertical beam 2, be fixed with second cross beam 52, the two ends of this second cross beam 52 stretch out between two vertical beams 2, and the below at second cross beam 52 two ends is fixed with mounting blocks 6; Vertical beam 2 is fixed with shock absorber support mounting blocks 7 respectively, rear torsion beam 8 is installed between mounting blocks 6 and shock absorber support mounting blocks 7, be connected to a fixed by joint pin 9 between this shock absorber support mounting blocks 7 and rear torsion beam 8, the both sides of rear torsion beam 8 are separately installed with upper spring disk 10.
Described crossbeam is positioned at the below of vertical beam 2, and is welded and fixed by the second boss 11 between vertical beam 2 and second cross beam 52, is welded and fixed between vertical beam 2 and column by upright post reinforcing plate 12; Be welded and fixed by the 3rd boss 13 between first crossbeam 51 and the first column 31, second column 32.
Adopt a method for designing for torsion beam test unit after Light-frame formula as claimed in claim 1, comprise the steps: (as shown in Figure 2)
Step 101, tower structure design is carried out to test unit, and according to the design experiences of existing test unit, framed structure is strengthened by boss;
The rigidity value of step 102, each stress point of utilization CAE technique computes, the rigidity value of the body stiffness required with main engine plants contrasts, and analyzes according to comparing result, as rigidity value is less than the rigidity value of body stiffness, then carries out local strengthening by boss;
Step 103, comparative analysis is recalculated to the test unit after local strengthening, and comprehensively strengthen according to analysis result, and contrast with required value, until meet the demands.
Above-mentioned each stress point refers to: the stress point between carriage mounting plate 1 and column, stress point, the stress point between vertical beam 2 and column and the stress point between crossbeam and column between vertical beam 2 and crossbeam, the rigidity value of this each stress point serves whole experimental provision and acts on to pass.
The present invention adopts frame-type design to replace steel plate building structure: 1, replace steel plate building structure with tower structure, can design volume is larger as requested frame-type test unit; 2, framed structure free space is large, and the force not affecting each point of application is arranged; 3, framed structure is greatly saved test unit and is made consumptive material, and structure adopts standard sections, and processing capacity is few, good economy performance; 4, after primary design in conjunction with cae analysis, determine that weak part carries out local strengthening, can warranty test device rigidity requirement.
Be understandable that, for a person skilled in the art, technical scheme of the present invention and inventive concept be equal to and replace or change the protection domain that all should belong to the claim appended by the present invention.
Claims (3)
1. torsion beam test unit after a Light-frame formula, it is characterized in that: comprise carriage mounting plate (1), the column be made up of the first column (31), the second column (32), the 3rd column (33), the 4th column (34), the crossbeam be made up of first crossbeam (51), second cross beam (52), vertical beam (2), described carriage mounting plate (1) is fixed on the bottom of column, is welded with the first boss (4) between this carriage mounting plate (1) and column, rectangular shape distribution between this four root post, described vertical beam (2) is individually fixed in the first column (31), 3rd column (33) and the second column (32), on 4th column (34), at this first column (31), first crossbeam (51) is fixed with between second column (32), 3rd column (33), second cross beam (52) is fixed with between 4th column (34) and vertical beam (2), the two ends of this second cross beam (52) stretch out between two vertical beams (2), and the below at second cross beam (52) two ends is fixed with mounting blocks (6), vertical beam (2) is fixed with respectively shock absorber support mounting blocks (7), rear torsion beam (8) is installed between mounting blocks (6) and shock absorber support mounting blocks (7), be connected to a fixed by joint pin (9) between this shock absorber support mounting blocks (7) and rear torsion beam (8), the both sides of rear torsion beam (8) are separately installed with upper spring disk (10).
2. torsion beam test unit after Light-frame formula according to claim 1, it is characterized in that: described crossbeam is positioned at the below of vertical beam (2), and be welded and fixed by the second boss (11) between vertical beam (2) and second cross beam (52), be welded and fixed by upright post reinforcing plate (12) between vertical beam (2) and column; Be welded and fixed by the 3rd boss (13) between first crossbeam (51) and the first column (31), the second column (32).
3. adopt a method for designing for torsion beam test unit after Light-frame formula as claimed in claim 1, it is characterized in that: comprise the steps:
1), to test unit carry out tower structure design, and according to the design experiences of existing test unit, framed structure is strengthened by boss;
2), use the rigidity value of CAE technique computes each stress point, the rigidity value of the body stiffness required with main engine plants contrasts, and analyzes according to comparing result, as rigidity value is less than the rigidity value of body stiffness, then carries out local strengthening by boss;
3), to the test unit after local strengthening recalculate comparative analysis, and comprehensively strengthen according to analysis result, and contrast with required value, until meet the demands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512677.3A CN104316330A (en) | 2014-09-29 | 2014-09-29 | Light frame type rear torsion beam test device and design method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512677.3A CN104316330A (en) | 2014-09-29 | 2014-09-29 | Light frame type rear torsion beam test device and design method thereof |
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| Publication Number | Publication Date |
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| CN104316330A true CN104316330A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410512677.3A Pending CN104316330A (en) | 2014-09-29 | 2014-09-29 | Light frame type rear torsion beam test device and design method thereof |
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| CN (1) | CN104316330A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437105A (en) * | 2015-11-17 | 2016-03-30 | 宁波建新底盘系统有限公司 | Fixture device for fatigue test of torsion beam of automobile rear axle |
| CN105928674B (en) * | 2016-04-25 | 2018-08-10 | 奇瑞汽车股份有限公司 | A kind of rigidity detection device suitable for torsion beam suspension |
| CN109655282A (en) * | 2018-12-26 | 2019-04-19 | 季炜杰 | A kind of vehicle driving damping balance quality simple detection device |
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| KR20020039036A (en) * | 2000-11-20 | 2002-05-25 | 이계안 | Zig device for testing automotive suspension durability against acceleration |
| CN201311354Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Gantry type frame for vehicle body-in-white performance test |
| CN202330029U (en) * | 2011-10-17 | 2012-07-11 | 上海科曼车辆部件系统有限公司 | Multi-channel rigid axle suspension test bench |
| CN103954459A (en) * | 2014-04-29 | 2014-07-30 | 天津博信汽车零部件有限公司 | Automotive suspension test bed |
| CN204288432U (en) * | 2014-09-22 | 2015-04-22 | 长春大学 | A kind of distribution steps on the sub-monitor system of bar operation real training safety auxiliary electrical |
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2014
- 2014-09-29 CN CN201410512677.3A patent/CN104316330A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020039036A (en) * | 2000-11-20 | 2002-05-25 | 이계안 | Zig device for testing automotive suspension durability against acceleration |
| CN201311354Y (en) * | 2008-11-07 | 2009-09-16 | 湖南大学 | Gantry type frame for vehicle body-in-white performance test |
| CN202330029U (en) * | 2011-10-17 | 2012-07-11 | 上海科曼车辆部件系统有限公司 | Multi-channel rigid axle suspension test bench |
| CN103954459A (en) * | 2014-04-29 | 2014-07-30 | 天津博信汽车零部件有限公司 | Automotive suspension test bed |
| CN204288432U (en) * | 2014-09-22 | 2015-04-22 | 长春大学 | A kind of distribution steps on the sub-monitor system of bar operation real training safety auxiliary electrical |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437105A (en) * | 2015-11-17 | 2016-03-30 | 宁波建新底盘系统有限公司 | Fixture device for fatigue test of torsion beam of automobile rear axle |
| CN105928674B (en) * | 2016-04-25 | 2018-08-10 | 奇瑞汽车股份有限公司 | A kind of rigidity detection device suitable for torsion beam suspension |
| CN109655282A (en) * | 2018-12-26 | 2019-04-19 | 季炜杰 | A kind of vehicle driving damping balance quality simple detection device |
| CN109655282B (en) * | 2018-12-26 | 2020-09-11 | 周仁孟 | Simple detection device for vehicle running damping balance performance |
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Application publication date: 20150128 |
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