CN104458277A - Multifunctional vehicle body cover part stiffness test restraining device - Google Patents

Multifunctional vehicle body cover part stiffness test restraining device Download PDF

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Publication number
CN104458277A
CN104458277A CN201410708957.1A CN201410708957A CN104458277A CN 104458277 A CN104458277 A CN 104458277A CN 201410708957 A CN201410708957 A CN 201410708957A CN 104458277 A CN104458277 A CN 104458277A
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CN
China
Prior art keywords
slide block
hood
stiffness
limiting slide
hinge
Prior art date
Application number
CN201410708957.1A
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Chinese (zh)
Inventor
侯文彬
王洪宇
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大连理工大学
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Application filed by 大连理工大学 filed Critical 大连理工大学
Priority to CN201410708957.1A priority Critical patent/CN104458277A/en
Publication of CN104458277A publication Critical patent/CN104458277A/en

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Abstract

The invention belongs to the technical field of vehicle static stiffness tests and relates to a multifunctional vehicle body cover part stiffness test restraining device. The multifunctional vehicle body cover part stiffness test restraining device solves the problems of positioning and restraining of test pieces in existing vehicle body cover part tests. The multifunctional vehicle body cover part stiffness test restraining device aims at completing the clamping of the test pieces in the tests of torsional stiffness and bending stiffness of an engine cover, window frame stiffness and torsional stiffness of a vehicle door and the like by replacing part of clamp connectors and adjusting the positions of sliding blocks of the clamp connectors. According to the technical scheme, a platform, sliding rails and square steel stand columns are assembled through T-shaped grooves, each square steel stand column is provided with a cylindrical guide rail and a limiting sliding block in the vertical direction, different clamp connectors such as the engine cover hinge clamp connector, the engine cover buffer block clamping connector, the vehicle door hinge clamp connector, the vehicle door lock clamp connector and the like can be assembled on the limiting sliding blocks, and the cover parts can be clamped and limited under different tests through the clamp connectors.

Description

A kind of utility body covering stiffness test restraint device
Technical field
The present invention relates to automobile Static stiffness technical field of measurement and test, relate to a kind of utility body covering stiffness test restraint device, particularly relate to a kind of automobile body covering piece as the stiffness test such as hood, car door restraint device.
Background technology
Automobile body covering piece assembly is the important and relatively independent parts of body of a motor car, and primary goal of its design, except meeting certain function, also will meet certain Rigidity and strength isostructuralism energy requirement.Covering insufficient rigidity, easily causes closing forces increase, roof leaking of leaking out, paint to occur that crackle comes off, car load aesthetic property reduces; The covering of insufficient rigidity can produce vibration & noise when running car, reduces riding comfort; When automobile is collided, the distortion that the covering of insufficient rigidity produces is comparatively large, thus has influence on effective living space etc. of driver and passenger.Rigidity and the user of visible covering are closely bound up, and the evaluation of covering rigidity property should cause the attention that car manufactures is enough.
The research comparative maturity of the external structural behaviour to body outer skin at present, each esbablished corporation has also formulated the test evaluation standard of covering component structure performance already.1998, global ULSAC project investigated Liao Ge manufacturer to the test method of battle wagon body outer skin structural behaviour and specification, as doorframe rigidity, sinking rigidity, the torsional rigidity of car door; The torsional rigidity, bending stiffness etc. of engine and luggage-boot lid, and the stiffness estimation standard provided by Porsche company is to check the design of covering.2007, Ford, in FCV project, by evaluating the test specification such as bending stiffness and torsional rigidity, completed the design of carbon fiber luggage-boot lid.2011, the development and Design of General Motor corporation (GM) Cadillac STS limousine luggage-boot lid also adopted stiffness test to evaluate final design result.McKune Paul M completes the light-weight design of the body outer skin adopting structural type foam by means of the test method of Ford and General Corporation and specification.But the domestic great majority of the research to covering rigidity still rest in the aspect of emulation, and lack corresponding test specification and standard.
Body outer skin comprises the plates such as car door, hood and luggage-boot lid, and body outer skin stiffness test evaluates its rigidity property by the deformation extent of each covering under specific operation.Car door rigidity, according to the difference investigating operating mode, can be divided into window frame rigidity, sinking rigidity and torsional rigidity etc.When window frame rigidity weighs closing of the door, window frame bears the deformation extent under side load; Good window frame rigidity property can ensure the normal operation of glass jacking system.Sinking rigidity is the actual service condition according to car door, by applying in latch position the vertical deformation extent that vertical load examines or check car door; Good sinking rigidity can ensure the sealing of car door and vehicle body and the function of door assembly.Torsional rigidity represents that car door resists the ability of torsional deformation when bearing side load, and the tail gate that is used for trying to avert accidents can not be opened because of torsional deformation.
Bonnet stiffness is divided into torsional rigidity and bending stiffness.When torsional rigidity is simulated automotive traveling, side buffer stopper is in unsupported situation, the deformation extent of hood under self gravitation effect, good torsional rigidity can reduce the problem such as relative motion and consequent noise and vibration of hood and vehicle body under this special operation condition.Bending stiffness is the actual service condition according to hood, and by applying the deformation extent that vertical load examines or check hood in snap close position, good bending stiffness can ensure the function of overall aesthetics and lock machine assembly.The examination operating mode of boot-lid stiffness and bonnet stiffness similar.
For the above-mentioned importance of body outer skin performance and the content of this campaign, a kind of body outer skin test of research and design restraint device, the location and the restricted problem that solve the test block when testing are very necessary.
Summary of the invention
The invention solves location and the restricted problem of test block in the test of existing body outer skin, a kind of adjustable multi-functional covering stiffness test restraint device is provided.
The object of the invention is the test block clamping that can be completed the test such as window frame rigidity, torsional rigidity of the torsional rigidity of hood, bending stiffness and car door by the adjustment of the replacing of part fixture joint and fixture joint slide position.
The present invention solves the problems of the technologies described above adopted technical scheme: this device comprises T-slot mounting plate, pressing plate, slide rail, square steel column, cylindrical slideway, position limiting slide block, position limiting slide block bolt, fixture joint and hood; T-slot mounting plate there are two slide rails fixed by pressing plate, every bar slide rail have two square steel columns connected by slide block mechanism, by slide block mechanism, four square steel columns are moved on slide rail; Each square steel column has the column type guide rail of vertical direction, column type guide rail has and is no less than 1 position limiting slide block, one end of position limiting slide block is provided with the latch mechanism of bolt, and position limiting slide block can be made to be fixed in the desired location of column type guide rail; Position limiting slide block is for assembling different fixture joints, as hood hinge fixture joint, hood buffer stopper fixture joint, body hinge fixture joint or automobile door locker tool joint etc., the position of fixture joint by position limiting slide block at the enterprising Row sum-equal matrix of cylindrical guide, by these fixture joints can meet under different tests to covering being installed and spacing.
Described hood hinge fixture joint is the steel plate of side with bolt hole, be fixed on position limiting slide block, vertical steel plate direction adopts the structure identical with hood hinge connection bracket, and all there is connecting hole in connection bracket X-direction and Y-direction, market major part vehicle hood can be met, be connected with hood by bolt, limit its whole degree of freedom in hinge place.
Described hood buffer stopper fixture joint is the steel plate of side with bolt hole, be fixed on position limiting slide block, a block length bar shaped floor is welded in vertical steel plate direction, floor vertical direction has a butt face to be the probe of arc, by upper and lower two probes clamping hood buffer stopper place, limit its Z-direction degree of freedom, and do not affect residue degree of freedom.
Described body hinge fixture joint is the steel plate of side with bolt hole, is fixed on position limiting slide block, and vertical steel plate direction adopts the structure identical with body hinge connection bracket, is connected, limits its whole degree of freedom in hinge place by bolt with car door.
Described automobile door locker tool joint side, with the steel plate of bolt hole, is fixed on position limiting slide block, and vertical steel plate direction adopts the structure identical with car door lock support, is connected, limits its whole degree of freedom in door lock place by bolt with door lock hole.
Because the geomery of the hood of different automobile types and car door is all different, therefore each chain connection point and limit point height and between distance be also all not identical.T-slot mounting plate has been equipped with hood hinge fixture joint slide rail as positioning datum, another slide rail can be moved and be fixed by pressing plate on T-slot platform, such shifting sledge, the distance changed between two slide rails just can change Y-direction distance between hood hinge fixture joint and hood buffer stopper fixture joint or Y-direction distance between body hinge fixture joint and automobile door locker tool joint.Simultaneously the square steel column at each fixture joint place can be moved on slide rail by slide block, so just can change X between two hood hinge fixture joints or body hinge fixture joint to distance.Hood or car door, when normal mounting, are not levels, but have certain angle or position relationship, and different covering hinge positions and the difference in height of constrained are different, therefore also need certain adjustment benchmark.
First lock the position limiting slide block of hood hinge clip tool joint, by regulate the position of hood buffer stopper fixture joint position limiting slide block on column type slide rail can adjust corresponding clamp head Z-direction position, so just can adapt to angle and the position relationship of different automobile types covering.X, Y between all these fixture joints, Z-direction distance all can carry out manual adjustments by corresponding slide rail and slide block, cylindrical slideway and slide rail have corresponding scale, thus more accurately regulates.
Owing to adopting above-mentioned technical scheme, the invention provides a kind of utility body covering stiffness test restraint device, by some physical constructions and slide mechanism can be locked achieve the hood of different model and car door is installed and constraint in Static stiffness process of the test.Solve the problem that restraint device specificity is too high, versatility is not strong in stiffness test, have the advantages that economic and practical, novel structure, transformation are easy, be suitable for market major part vehicle body outer skin.
Accompanying drawing explanation
Fig. 1 is test engine cover stiffness test assembly structure schematic diagram of the present invention.
Fig. 2 is hood hinge fixture joint partial assembled schematic diagram of the present invention.
Fig. 3 is hood buffer stopper fixture joint partial assembled schematic diagram of the present invention.
Fig. 4 is that the present invention tests car door stiffness test assembly structure schematic diagram.
In figure: 1T type groove mounting plate; 2 pressing plates; 3 slide rails; 4 square steel columns; 5T type slot bolt; 6 cylindrical slideways; 7 position limiting slide blocks; 8 position limiting slide block bolts; 9 hood hinge fixture joints; 10 hood buffer stopper fixture joints; 11 body hinge fixture joints; 12 automobile door locker tool joints; 13 hoods; 14 car doors.
Embodiment
Below in conjunction with accompanying drawing and technical scheme, further illustrate the specific embodiment of the present invention.
In order to make the object of embodiments of the invention, technical scheme is expressed clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear complete description is carried out to the technical scheme in the embodiment of the present invention: a kind of utility body covering stiffness test restraint device as shown in Figure 1, comprise T-slot mounting plate 1, platform has two parallel to each other and by the fixing slide rail 3 of pressing plate 2, every bar slide rail there are two belows with the square steel column 4 of slide block side with column type guide rail 6, square steel column can carry out the adjustment of X to distance on slide rail, and be locked by T-slot bolt 5, each cylindrical slideway there is corresponding position limiting slide block 7, and each position limiting slide block can be locked spacing by position limiting slide block bolt 8, slide block is fixed on desired location, each slide block can be installed different fixture joints needed for different tests as hood hinge fixture joint 9, hood buffer stopper fixture joint 10, body hinge fixture joint 11, automobile door locker tool joint 12 etc., fix the covering of test as hood 13 and car door 14.The concrete using method of a kind of utility body of the present invention covering stiffness test restraint device is specifically introduced below in conjunction with bonnet stiffness test and car door stiffness test.
Embodiment 1
Bonnet stiffness test is divided into torsional rigidity test of vehicular and bending stiffness test.Wherein torsional rigidity test of vehicular presses load(ing) point difference, and torsional rigidity test of vehicular is divided into the right side to turn round and left torsional test, turns round rigidity in example for the right side, and left torsional test is all the same with the method for operating of its principle and device, just the change of right position.
(1) X about hood between two hood hinges and between the buffer stopper of two, left and right is measured to distance, Y-direction distance between hood hinge line and buffer stopper line, and the Z-direction distance between angle of assembling lower machine cover hinge and buffer stopper;
(2) according to measure Y-direction distance results with the slide rail under hood hinge fixture joint for benchmark, move in parallel another slide rail, make on another slide rail hood buffer stopper fixture joint and hood hinge fixture joint between distance be the Y-direction distance measured, and with pressing plate, slide rail to be fixed;
(3) benchmark is designated to distance results with slide rail center line according to the X measured, the slide block of steel column above the shifting sledge of both sides, make the distance between the distance between two hood hinge fixture joints and two hood hinges of measurement equal, distance between two hood buffer stopper fixture joints is equal with the distance between two buffer stoppers of measurement, and is locked on slide rail by four square steel columns respectively by T-slot bolt;
(4) the Z-direction distance measured by angle of inclination when installing according to Engine Casing and between level, with hood hinge fixture joint for hood buffer stopper fixture joint is moved upward Z distance by position limiting slide block by benchmark.And by position limiting slide block bolt, each position limiting slide block is locked on guide rail;
(5), after regulating, be bolted on by hood on hood hinge fixture joint, inner side upwards, now constrains whole degree of freedom at hood hinge mounting hole place.By four hood buffer stopper fixture joints hood buffer stopper position clamping and locked, now constrain hood left and right buffer stopper Z-direction degree of freedom.After completing the constraint of corresponding degree of freedom, corresponding Z-direction load can be applied in hood lock position by Hydrauservo System, carry out bending stiffness test;
(6) when carrying out torsional rigidity test of vehicular, all the other steps are the same, but only retrain the Z-direction degree of freedom of wherein left buffer stopper, apply corresponding Z-direction load by Hydrauservo System in the position of right buffer stopper, carry out the right side and turn round stiffness test.
Embodiment 2
Car door stiffness test is divided into window frame stiffness test and torsional rigidity test of vehicular.Wherein be divided into doorframe intermediate point stiffness test and window angle point stiffness test by the difference of load(ing) point in window frame stiffness test.
(1) measure X between car door two body hinges to distance, two body hinges are wired to the Y-direction distance between car door lock lockhole, and the Z-direction distance between angle of assembling exit door hinge and door lock hole;
(2) according to measure Y-direction distance results with the slide rail under body hinge fixture joint for benchmark, move in parallel another slide rail, make on another slide rail door lock fixture joint and body hinge fixture joint between distance be the Y-direction distance measured, and with pressing plate, slide rail to be fixed;
(3) according to measure X to distance results to be designated benchmark with the slide rail center line of body hinge fixture joint, the slide block of steel column above the shifting sledge of both sides, make the distance between the distance between two body hinge fixture joints and two body hinges of measurement equal, and respectively two square steel columns are locked on slide rail by T-slot bolt;
(4) latch position when installing according to car door and and level between the Z-direction distance measured by angle of inclination, with body hinge fixture joint for benchmark by door lock fixture joint by the Y-direction position of the slide block under square steel column and position limiting slide block positioning door lock fixture joint and Z-direction position.And by position limiting slide block bolt, position limiting slide block is locked on guide rail;
(5), after regulating, car door is bolted on body hinge fixture joint, now constrains whole degree of freedom at body hinge mounting hole place inside car door upwards, constrain whole degree of freedom at car door door lock place.After completing the constraint of corresponding degree of freedom, corresponding load can be applied along the normal direction of this point by Hydrauservo System at door sash angle point and door sash intermediate point, carry out door sash stiffness test;
(6) when carrying out Automobile Door Torsion Stiffness test, the constraint of car door each point degree of freedom is identical with door and window stiffness test, along the line bottom car door is load applying point away from door lock hinge side point, normal direction along this point applies corresponding load by Hydrauservo System, carries out Automobile Door Torsion Stiffness test.
Above-described embodiment; be only preferably embodiment of the present invention; but protection scope of the present invention is not limited thereto; allly be familiar with those skilled in the art in technical scope disclosed by the invention, be equal to replace or change according to technical scheme of the present invention and design of the present invention thereof and all should be encompassed within protection scope of the present invention.

Claims (1)

1. a utility body covering stiffness test restraint device, is characterized in that, this device comprises T-slot mounting plate, pressing plate, slide rail, square steel column, cylindrical slideway, position limiting slide block, position limiting slide block bolt, fixture joint and hood; T-slot mounting plate there are two slide rails fixed by pressing plate, every bar slide rail have two square steel columns connected by slide block mechanism, by slide block mechanism, four square steel columns are moved on slide rail; Each square steel column has the column type guide rail of vertical direction, column type guide rail has and is no less than 1 position limiting slide block, one end of position limiting slide block is provided with the latch mechanism of bolt, makes position limiting slide block be fixed in the desired location of column type guide rail; Position limiting slide block is used for assembling jig joint, the position of fixture joint by position limiting slide block at the enterprising Row sum-equal matrix of cylindrical guide;
Described fixture joint is hood hinge fixture joint, hood buffer stopper fixture joint, body hinge fixture joint or automobile door locker tool joint;
Described hood hinge fixture joint is the steel plate of side with bolt hole, be fixed on position limiting slide block, vertical steel plate direction adopts the structure identical with hood hinge connection bracket, all connecting hole is had in connection bracket X-direction and Y-direction, be connected with hood by bolt, limit its whole degree of freedom in hinge place;
Described hood buffer stopper fixture joint is the steel plate of side with bolt hole, be fixed on position limiting slide block, a block length bar shaped floor is welded in vertical steel plate direction, floor vertical direction has a butt face to be the probe of arc, by upper and lower two probes clamping hood buffer stopper place, limit its Z-direction degree of freedom, and do not affect residue degree of freedom;
Described body hinge fixture joint is the steel plate of side with bolt hole, is fixed on position limiting slide block, and vertical steel plate direction adopts the structure identical with body hinge connection bracket, is connected, limits its whole degree of freedom in hinge place by bolt with car door;
Described automobile door locker tool joint side, with the steel plate of bolt hole, is fixed on position limiting slide block, and vertical steel plate direction adopts the structure identical with car door lock support, is connected, limits its whole degree of freedom in door lock place by bolt with door lock hole.
CN201410708957.1A 2014-11-28 2014-11-28 Multifunctional vehicle body cover part stiffness test restraining device CN104458277A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105571869A (en) * 2015-12-23 2016-05-11 北京汽车研究总院有限公司 Fixing stand for engine cover
CN106441939A (en) * 2016-11-18 2017-02-22 华南理工大学 Static pressure test bed for vehicle door trim panel
CN106985100A (en) * 2017-05-26 2017-07-28 重庆长安汽车股份有限公司 A kind of engine cylinder-body fixing device
CN107490469A (en) * 2016-12-30 2017-12-19 宝沃汽车(中国)有限公司 Door lock side fixing device and car door stiffness test method for car door stiffness test
CN107490487A (en) * 2016-12-26 2017-12-19 宝沃汽车(中国)有限公司 Car door stiffness test device
CN109708833A (en) * 2019-01-22 2019-05-03 惠州市华星光电技术有限公司 Mould group device for testing stiffness and mould group stiffness test method
CN110044637A (en) * 2019-04-04 2019-07-23 江苏大学 A kind of car door test constraint tooling

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007121035A (en) * 2005-10-26 2007-05-17 Shinko Electric Co Ltd Chassis dynamometer
CN102466557A (en) * 2011-08-11 2012-05-23 浙江吉利汽车研究院有限公司 Stiffness test bench device of debugging engine hood and use method thereof
CN103149034A (en) * 2013-02-18 2013-06-12 湖南湖大艾盛汽车技术开发有限公司 Rigidity experiment bench equipment for opening and closing part
CN103575547A (en) * 2013-11-20 2014-02-12 浙江吉利汽车研究院有限公司 Test device of automobile sliding door

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007121035A (en) * 2005-10-26 2007-05-17 Shinko Electric Co Ltd Chassis dynamometer
CN102466557A (en) * 2011-08-11 2012-05-23 浙江吉利汽车研究院有限公司 Stiffness test bench device of debugging engine hood and use method thereof
CN103149034A (en) * 2013-02-18 2013-06-12 湖南湖大艾盛汽车技术开发有限公司 Rigidity experiment bench equipment for opening and closing part
CN103575547A (en) * 2013-11-20 2014-02-12 浙江吉利汽车研究院有限公司 Test device of automobile sliding door

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105571869A (en) * 2015-12-23 2016-05-11 北京汽车研究总院有限公司 Fixing stand for engine cover
CN105571869B (en) * 2015-12-23 2018-03-16 北京汽车研究总院有限公司 A kind of hood fixed rack
CN106441939A (en) * 2016-11-18 2017-02-22 华南理工大学 Static pressure test bed for vehicle door trim panel
CN107490487B (en) * 2016-12-26 2020-03-24 宝沃汽车(中国)有限公司 Vehicle door rigidity testing device
CN107490487A (en) * 2016-12-26 2017-12-19 宝沃汽车(中国)有限公司 Car door stiffness test device
CN107490469B (en) * 2016-12-30 2020-02-14 宝沃汽车(中国)有限公司 Door lock side fixing device for vehicle door rigidity test and vehicle door rigidity test method
CN107490469A (en) * 2016-12-30 2017-12-19 宝沃汽车(中国)有限公司 Door lock side fixing device and car door stiffness test method for car door stiffness test
CN106985100A (en) * 2017-05-26 2017-07-28 重庆长安汽车股份有限公司 A kind of engine cylinder-body fixing device
CN109708833A (en) * 2019-01-22 2019-05-03 惠州市华星光电技术有限公司 Mould group device for testing stiffness and mould group stiffness test method
CN110044637A (en) * 2019-04-04 2019-07-23 江苏大学 A kind of car door test constraint tooling

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Application publication date: 20150325