CN105437105A - Fixture device for fatigue test of torsion beam of automobile rear axle - Google Patents
Fixture device for fatigue test of torsion beam of automobile rear axle Download PDFInfo
- Publication number
- CN105437105A CN105437105A CN201510788924.7A CN201510788924A CN105437105A CN 105437105 A CN105437105 A CN 105437105A CN 201510788924 A CN201510788924 A CN 201510788924A CN 105437105 A CN105437105 A CN 105437105A
- Authority
- CN
- China
- Prior art keywords
- bearing
- torsion beam
- holder
- abutments
- fatigue test
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a fixture device for a fatigue test of a torsion beam of an automobile rear axle. The fixture device is used for being connected with the end of the torsion beam. The fixture device comprises a clamping seat, a connection support seat, a first support seat, a second support seat and a third support seat. The connection support seat is used for being connected with the end of the torsion beam. The first support seat is used for being connected with an outer fixed support point. The second support seat is used for installing a shock absorption spiral spring. The third support seat is used for load in the test process. The connection support seat and the end of the torsion beam are welded into a whole. The clamping seat, the connection support seat, the first support seat, the second support seat and the third support seat are detachably connected and fixed through a locking structure. Compared with the prior art, the design time of the torsion beam is significantly shortened through the fixture device. In addition, during each test, only the connection support seat needs to be replaced, and the other parts can be reused, so that the test cost is reduced, and the test effect is improved. Besides, due to the fact that the other parts are detachable connection structures, the fixture device can be slightly adjusted as required in the test process to be adapted to the specific structure of the to-be-tested torsion beam.
Description
Technical field
The present invention relates to auto parts and components experimental rig field, particularly relate to a kind of automobile hind axle torsion beam fatigue test clamper device.
Background technology
The suspension of torsion beam type is the one of automobile rear suspension type, is the bob being balanced left and right wheels by a torsion beam, to reduce rocking of vehicle, keeps the steady of vehicle.The fatigue test of automobile hind axle torsion beam is the effective way of torsion beam safety and reliability data acquisition, uses the automobile hind axle machined to test in existing torsion beam fatigue test.Common automobile hind axle comprises torsion beam, be positioned at torsion beam two ends and the trailing arm welded together with torsion beam, and wherein the trailing arm of the every one end of torsion beam is welded by trailing arm main body and spring tray, flanged plate, bushing sleeves and shock absorber support.During fatigue experiment, rubber bushing is loaded in two bushing sleeves, again rubber bushing is connected with external stability fulcrum, each spring tray is connected with the helical spring one end of damping respectively, and the helical spring other end of this damping is connected with external stability fulcrum, experiment load acts on flanged plate.
Therefore, when fatigue test being carried out to torsion beam in prior art, the all parts need waiting until on trailing arm are all debugged manufacture and are completed, and be welded as entirety with torsion beam on request, so not only have a strong impact on the development progress of torsion beam, and be welded as a whole due to trailing arm and torsion beam, when there is larger welding deformation in structure, cannot be corrected by fine setting trailing arm, thus affect test effect, in addition because trailing arm entirety is welded with torsion beam, after such single test, trailing arm entirety is scrapped, and causes the serious waste of resource.
Summary of the invention
First technical problem to be solved by this invention provides a kind of automobile hind axle torsion beam fatigue test clamper device that effectively can shorten the torsion beam development time.
Second technical problem to be solved by this invention is the automobile hind axle torsion beam fatigue test clamper device providing a kind of versatility good for prior art.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of automobile hind axle torsion beam fatigue test clamper device, for being connected to the end of torsion beam, it is characterized in that, comprise holder, the connection bearing be connected with torsion beam end, for the first bearing be connected with external stability fulcrum, for installing the three abutments for load in helical spring second bearing of damping and process of the test, described connection bearing and torsion beam welding edges are integrated, described holder, connect bearing, first bearing, be connected and fixed by a latch-up structure is dismountable between second bearing and three abutments.
Latch-up structure in such scheme can select multiple conventional structure of the prior art, for convenience of the assembling of device, as preferably, described latch-up structure comprises screw bolt and nut, described holder, connect bearing, the first bearing, the second bearing and three abutments and be respectively arranged with installing hole for being screwed into bolt, and make holder by this bolt, connect and be connected and fixed between bearing, the first bearing, the second bearing and three abutments.
For make above-mentioned holder, connect connect between bearing, the first bearing, the second bearing and three abutments more firm, as preferably, described installing hole comprises the first installing hole being arranged on and connecting on bearing, the second bearing and three abutments, and the second installing hole to coordinate with above-mentioned first installing hole, described screw bolt passes first installing hole and the second installing hole and make holder, connect and be connected and fixed between bearing, the first bearing, the second bearing and three abutments.
For further facilitating the installation of device, described first installing hole is unthreaded hole and described second installing hole is screwed hole.
For convenience of finely tuning grip device according to different automobile hind axle torsion beam, described first installing hole is waist-shaped hole, and the length of this waist-shaped hole is 10 ~ 35mm.
For making test result more accurate, connecting bearing described in the present invention, the second bearing, three abutments be connected and fixed on holder, and described first bearing be connected bearing and be connected and fixed.
Also make to be connected the stable connection of bearing and holder for making connection bearing with the firm welding of torsion beam end simultaneously, as preferably, described holder is vertical bar shape and longitudinally arranges relative to torsion beam, the cross section of described connection bearing is U-shaped, and it is coated on holder side and is connected with torsion beam bottom its arc-shaped.
Further, described connection bearing settlement in holder one end and the end of this connection bearing expose to holder and be connected with aforementioned first bearing, described second bearing to be connected to bottom the holder other end and be connected bearing homonymy and arrange, described three abutments is positioned at holder top, and the second bearing is relative up and down with the junction of three abutments and holder with the junction of holder.
As preferably, described first bearing settlement has the bushing sleeves for mounting bush, and the axis angulation of the axis of this bushing sleeves and holder is 130 ~ 150 °.
As preferably, the wall thickness of described connection bearing is 2 ~ 6mm, thus makes the connective stability of grip device inside better.
Compared with prior art, the invention has the advantages that: only have in grip device of the present invention connect bearing and torsion beam be welded as a whole and between other parts all by latch-up structure formed removably connect fixing, the testing fatigue of torsion beam is just carried out when having designed without the need to whole automobile hind axle like this, significantly shorten the development time of torsion beam, and only need during each test to change to connect bearing, other parts are reusable, reduce experimentation cost, improve test effect, and because other parts are dismountable syndeton, can finely tune grip device as required in process of the test, with the concrete structure making it be adapted to torsion beam to be measured.
Accompanying drawing explanation
Fig. 1 is automobile hind axle torsion beam fatigue test schematic diagram in the present invention;
Fig. 2 is automobile hind axle torsion beam fatigue test clamper apparatus structure schematic diagram in the present invention;
Fig. 3 is the other direction structural representation of Fig. 2;
Fig. 4 is automobile hind axle torsion beam fatigue test clamper apparatus structure exploded view in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in figures 1-4, a kind of automobile hind axle torsion beam 1 fatigue test clamper device, be located in the two ends of torsion beam 1 during torsion beam 1 fatigue test respectively, it comprise holder 3, the connection bearing 2 be connected with torsion beam 1 end, for be connected with external stability fulcrum the first bearing 4, for installing the three abutments 6 for load in helical spring second bearing 5 of damping and process of the test.
The cross section of holder 3 is in " mouth " font shape, the shape of holder 3 can have multiple, be preferably vertical bar shape and its end face and bottom surface to prolong its width and stretch out, the setting longitudinal relative to torsion beam 1 of this holder 3, the cross section connecting bearing 2 is U-shaped, connect bearing 2 be arranged at holder 3 one end and be coated on holder 3 side, weld with torsion beam 1 bottom its arc-shaped simultaneously.The end connecting bearing 2 exposes to holder 3, and above-mentioned first bearing 4 is connected on this end.Second bearing 5 and three abutments 6 are all connected to the other end of holder 3, particularly, second bearing 5 be connected to holder 3 end face and be connected bearing 2 homonymy and arrange, three abutments 6 is connected to holder 3 end face, and the second bearing 5 is relative up and down with the junction of holder 3 with three abutments 6 with the junction of holder 3.
Above-mentioned first bearing 4 be connected bearing 2, connect bearing 2, second bearing 5 and three abutments 6 is all connected and fixed by a latch-up structure is dismountable with holder 3 simultaneously.This latch-up structure comprises bolt 7 and nut (not shown), above-mentioned holder 3, connect bearing 2, first bearing 4, second bearing 5 and three abutments 6 are respectively arranged with the installing hole for being screwed into bolt 7, particularly, this installing hole comprises and is opened in above-mentioned holder 3, connect bearing 2, first bearing 4, the first installing hole 8 on the joint face of the second bearing 5 and any two attaching parts of three abutments 6, and be opened in and corresponding with this joint face be connected the second installing hole 9 on face and suitable with above-mentioned first installing hole 8, wherein joint face and be connected face and refer to respectively execute double recipe and load-bearing side in the syndeton of two attaching parts, specifically in the present embodiment, due to holder 3, connect bearing 2, first bearing 4, the above-mentioned annexation of the second bearing 5 and three abutments 6, first installing hole 8 is arranged at and connects bearing 2, on second bearing 5 and three abutments 6, and the second installing hole 9 is arranged on the first bearing 4 and holder 3.Bolt 7 makes holder 3 be connected and fixed with being connected bearing 2, second bearing 5 and three abutments 6 successively through the first installing hole 8 and the second installing hole 9, the first bearing 4 be connected bearing 2 and be connected and fixed.Further, in the present embodiment, the first installing hole 8 is unthreaded hole and is waist-shaped hole, and the second installing hole 9 is screwed hole, and the length of the first installing hole 8 is 20mm.In addition, the first bearing 4 is provided with the bushing sleeves 41 for mounting bush, and the axis angulation of the axis of this bushing sleeves 41 and holder 3 (as shown in α angle in Fig. 1) is 130 °, and the wall thickness of above-mentioned connection bearing 2 is 3mm.
The grip device in the present embodiment is utilized to carry out the process of automobile hind axle torsion beam 1 fatigue test as follows:
Connection bearing 2 is welded in respectively torsion beam 1 two ends, then utilize M12 bolt 7 to be fixed on by holder 3 and connect bearing 2, then the first bearing 4 is connected to by M12 bolt 7 end connecting bearing 2 successively, second bearing 5 and three abutments 6 are connected to holder 3, complete the assembling of grip device, can finely tune according to concrete torsion beam to be tested 1 pair of grip device in test.
After grip device has been assembled, rubber bushing is respectively charged in two bushing sleeves 41 holes at torsion beam 1 two ends, again each rubber bushing is connected with external stability fulcrum bolt 7, simultaneously on each second bearing 5, connect a damping helical spring respectively, such that the helical spring one end of this damping is connected with the second bearing 5 and the other end is connected with external stability fulcrum.Finally testing load acts on the three abutments 6 of both sides, and make the three abutments 6 of both sides along contrary direction alternating movement, the direction of motion as shown in fig. 1, even if move along arrow A direction during three abutments 6, time and move against arrow A direction (the arrow B direction in Fig. 1), but the direction of motion of both sides three abutments 6 is contrary all the time, and on three abutments 6, the moving displacement at stress point place is ± 37mm.
Learnt by finite element stimulation analysis, when using rear axle construction of the prior art in fatigue experiment, Feng meter Sai Si stress maximum in torsion beam is 430.3MPa, when using the grip device in the present embodiment, Feng meter Sai Si stress maximum in torsion beam is 437.2MPa, and the position that in two kinds of situations, maximum stress is corresponding is identical, stress error meets <5%, meets engineer applied requirement.
Therefore, grip device in use the present invention both can save the time that torsion beam is designed and developed, experimental precision requirement can be met well again, grip device structure in the present invention is simultaneously simple, economical, and the fine setting of locus can be carried out easily according to the key position point of test requirements document to clamp structure, to make test structure more accurate.
Claims (10)
1. an automobile hind axle torsion beam fatigue test clamper device, for being connected to the end of torsion beam (1), it is characterized in that, comprise holder (3), the connection bearing (2) be connected with torsion beam (1) end, for the first bearing (4) be connected with external stability fulcrum, for installing the three abutments (6) for load in helical spring second bearing (5) of damping and process of the test, described connection bearing (2) and torsion beam (1) welding edges are integrated, described holder (3), connect bearing (2), first bearing (4), be connected and fixed by a latch-up structure is dismountable between second bearing (5) and three abutments (6).
2. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 1, it is characterized in that, described latch-up structure comprises bolt (7) and nut, described holder (3), connection bearing (2), the first bearing (4), the second bearing (5) and three abutments (6) are respectively arranged with the installing hole for being screwed into bolt (7), and make to be connected and fixed between holder (3), connection bearing (2), the first bearing (4), the second bearing (5) and three abutments (6) by this bolt (7).
3. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 2, it is characterized in that, described installing hole comprises and is opened in above-mentioned holder (3), connect bearing (2), first bearing (4), the first installing hole (8) on the joint face of the second bearing (5) and any two attaching parts of three abutments (6), and be opened in and corresponding with this joint face be connected the second installing hole (9) on face and suitable with above-mentioned first installing hole (8), described bolt (7) makes holder (3) through the first installing hole (8) and the second installing hole (9) successively, connect bearing (2), first bearing (4), be connected and fixed between second bearing (5) and three abutments (6).
4. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 3, is characterized in that, described first installing hole (8) is unthreaded hole and described second installing hole (9) is screwed hole.
5. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 4, it is characterized in that, described first installing hole (8) is waist-shaped hole, and the length of this waist-shaped hole is 10 ~ 35mm.
6. the automobile hind axle torsion beam fatigue test clamper device as described in claim arbitrary in Claims 1 to 5, it is characterized in that, described connection bearing (2), the second bearing (5), three abutments (6) are connected and fixed on holder (3), and described first bearing (4) be connected bearing (2) and be connected and fixed.
7. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 6, it is characterized in that, described holder (3) is in vertical bar shape and relative to torsion beam (1) longitudinally setting, the cross section of described connection bearing (2) is U-shaped, and it is coated on holder (3) side and is connected with torsion beam (1) bottom its arc-shaped.
8. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 7, it is characterized in that, described connection bearing (2) is arranged at holder (3) one end and the end of this connection bearing (2) exposes to holder (3) and is connected with aforementioned first bearing (4), described second bearing (5) to be connected to bottom holder (3) other end and be connected bearing (2) homonymy and arrange, described three abutments (6) is positioned at holder (3) top, second bearing (5) is relative up and down with the junction of holder (3) with three abutments (6) with the junction of holder (3).
9. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 8, it is characterized in that, described first bearing (4) is provided with the bushing sleeves (41) for mounting bush, and the axis angulation of the axis of this bushing sleeves (41) and holder (3) is 130 ~ 150 °.
10. automobile hind axle torsion beam fatigue test clamper device as claimed in claim 7, it is characterized in that, the wall thickness of described connection bearing (2) is 2 ~ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788924.7A CN105437105B (en) | 2015-11-17 | 2015-11-17 | A kind of automobile hind axle torsion beam fatigue test clamper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788924.7A CN105437105B (en) | 2015-11-17 | 2015-11-17 | A kind of automobile hind axle torsion beam fatigue test clamper device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105437105A true CN105437105A (en) | 2016-03-30 |
| CN105437105B CN105437105B (en) | 2017-08-08 |
Family
ID=55547977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510788924.7A Active CN105437105B (en) | 2015-11-17 | 2015-11-17 | A kind of automobile hind axle torsion beam fatigue test clamper device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105437105B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109187052A (en) * | 2018-10-31 | 2019-01-11 | 安徽万安汽车零部件有限公司 | A kind of fast verification enclosed beam abnormal sound test tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4283957A (en) * | 1979-06-25 | 1981-08-18 | Zonic Corporation | Torsional exciter for a rotating structure |
| CN201311359Y (en) * | 2008-12-11 | 2009-09-16 | 中国南方工业汽车股份有限公司四川建安车桥分公司 | Vehicle torsion beam tester |
| CN201993240U (en) * | 2010-12-28 | 2011-09-28 | 中国第一汽车集团公司 | Novel test fixture of car suspension system |
| CN202676445U (en) * | 2012-07-11 | 2013-01-16 | 芜湖市中兴机械技术开发有限公司 | Automobile part fatigue testing tools |
| CN203557288U (en) * | 2013-09-29 | 2014-04-23 | 上海汇众汽车制造有限公司 | Rear axle alternating bending test fixture |
| CN104316330A (en) * | 2014-09-29 | 2015-01-28 | 浙江万向系统有限公司 | Light frame type rear torsion beam test device and design method thereof |
| CN104515685A (en) * | 2013-09-30 | 2015-04-15 | 上海汇众汽车制造有限公司 | Method of evaluating durability of torsion beam rear axle on basis of road load |
| CN204748403U (en) * | 2015-06-09 | 2015-11-11 | 郑州精益达汽车零部件有限公司 | Passenger train rigidity anchor clamps for front axle multi freedom fatigue test |
-
2015
- 2015-11-17 CN CN201510788924.7A patent/CN105437105B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4283957A (en) * | 1979-06-25 | 1981-08-18 | Zonic Corporation | Torsional exciter for a rotating structure |
| CN201311359Y (en) * | 2008-12-11 | 2009-09-16 | 中国南方工业汽车股份有限公司四川建安车桥分公司 | Vehicle torsion beam tester |
| CN201993240U (en) * | 2010-12-28 | 2011-09-28 | 中国第一汽车集团公司 | Novel test fixture of car suspension system |
| CN202676445U (en) * | 2012-07-11 | 2013-01-16 | 芜湖市中兴机械技术开发有限公司 | Automobile part fatigue testing tools |
| CN203557288U (en) * | 2013-09-29 | 2014-04-23 | 上海汇众汽车制造有限公司 | Rear axle alternating bending test fixture |
| CN104515685A (en) * | 2013-09-30 | 2015-04-15 | 上海汇众汽车制造有限公司 | Method of evaluating durability of torsion beam rear axle on basis of road load |
| CN104316330A (en) * | 2014-09-29 | 2015-01-28 | 浙江万向系统有限公司 | Light frame type rear torsion beam test device and design method thereof |
| CN204748403U (en) * | 2015-06-09 | 2015-11-11 | 郑州精益达汽车零部件有限公司 | Passenger train rigidity anchor clamps for front axle multi freedom fatigue test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109187052A (en) * | 2018-10-31 | 2019-01-11 | 安徽万安汽车零部件有限公司 | A kind of fast verification enclosed beam abnormal sound test tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105437105B (en) | 2017-08-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101731885B1 (en) | Apparatus for testing spring constant of leaf spring | |
| CN104406850A (en) | Measuring device for rigidity of rubber bushings and usage method thereof | |
| CN102338604A (en) | Door hinge checking fixture | |
| CN205785793U (en) | Bush test stand | |
| CN111975738B (en) | Clamping device and track inspection robot | |
| CN105437105A (en) | Fixture device for fatigue test of torsion beam of automobile rear axle | |
| CN110793765A (en) | Realize loaded car control arm endurance test rack of arbitrary angle | |
| CN105628402B (en) | A kind of torsion beam of automobile rear axle fatigue experimental device | |
| CN204807321U (en) | Rigidity test fixture of gearbox suspension | |
| CN107271096A (en) | A kind of load steering wheel installing mechanism | |
| CN210774731U (en) | Steering parameter tester installation fixing device | |
| CN209754970U (en) | Clamping device for rigidity measurement of stabilizer bar | |
| KR200497631Y1 (en) | Tool for automobile steering knuckle bench test | |
| CN201040822Y (en) | Fast dismounting mechanism used for rail checking instrument stringer and crossbeam connection | |
| CN105882395B (en) | Gear-box side suspending soft cushion assembly and suspension system | |
| CN104691762A (en) | Supporting device for aircraft engine nacelle | |
| CN107884212A (en) | A kind of suspension fatigue testing equipment for road analogy test | |
| CN110425968B (en) | Component assembly angle detection measuring tool based on vibration damper and detection method thereof | |
| CN210293083U (en) | Subassembly assembly angle measuring tool based on shock absorber | |
| CN103673945A (en) | Loading and end run-out measuring device for output shafts of harmonic speed reducers | |
| CN103962784A (en) | Rotating mechanism for load tooling | |
| CN106644433A (en) | High-universality modular fixing device for testing of torsion rod spring | |
| CN107322502A (en) | Fuel pump vibration tong and its application method | |
| CN205837008U (en) | A kind of assembling fixture for multi-axle heavy type wheel steering system tie rod linkage | |
| CN109079404A (en) | A kind of fixture leveling structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |