CN104316308B - Clamping device for automobile panel dent resistance test and testing method using same - Google Patents
Clamping device for automobile panel dent resistance test and testing method using same Download PDFInfo
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- CN104316308B CN104316308B CN201410616561.4A CN201410616561A CN104316308B CN 104316308 B CN104316308 B CN 104316308B CN 201410616561 A CN201410616561 A CN 201410616561A CN 104316308 B CN104316308 B CN 104316308B
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Abstract
The invention provides a clamping device for an automobile panel dent resistance test and relates to a testing method using the clamping device. Multiple T-shaped grooves (2) are formed in a base (1) of the clamping device, a clamping plate (4) is installed at the lower end of each clamping rod (3) of the clamping device, a positioning bolt (5) is arranged on each clamping plate (4) to enable the corresponding clamping plate (4) to be fixedly connected with the corresponding T-shaped groove (2), a clamping head is arranged at the upper end of each clamping rod (3), and a clamping port (7) is formed in each clamping head (6). By the adoption of the clamping device and the testing method, adjustment and fixation of the positions of the clamping rods and the T-shaped grooves in the base can be achieved conveniently and quickly, adjustment of relative positions of the multiple clamping rods and the distance between the clamping rods can be achieved, and the automobile panel dent resistance test can be achieved conveniently, accurately and efficiently.
Description
Technical field
The invention belongs to auto parts and components testing equipment technical field, is to be related to a kind of automobile panel more specifically
Dent resistance test clamping device, the invention further relates to the method tested using the clamping device.
Background technology
With the development of auto industry, it is desirable to which automobile has energy efficient environmental protection and improves the air force of automobile
The requirement of performance.With than before, automobile panel is in a large number using high strength slim steel plate (thickness 0.7mm or so) and light sectional material
Material (such as aluminium alloy).Aforementioned automotive covering mostly is complicated space curved surface composition, with material is thin, complex-shaped, structure
The features such as size is greatly and surface quality requirements are high.In automobile coverage forming, due to its plastic deformation inhomogeneities or
The factor such as vehicle body design is unreasonable, often makes some positions of covering rigidly poor, and cavity can be produced after vibrated
Sound, causes the automobile assembled using the covering to produce vibration, noise etc. in the process of moving；And due to the thinning change of covering
" soft ", occurs in that series of problems, such as because the indenture that deadweight or slight impact cause deforms.In automobile manufacturing field,
, in the case where laterally concentration external load function is born, opposing depression bends and the deformation of local indenture, the ability of holding shape for outer covering piece
Referred to as dent resistance.At present, both at home and abroad overwhelming majority dent resistance testing machine system is primarily directed to flat test piece, dome specimen and mould
Intending the subsized specimens such as covering carries out dent resistance test assessment, and cannot carry out dent resistance test to actual covering.Or, pin
To a certain actual automobile panel, manufacture a set of special mould carries out dent resistance test to covering, not only high cost, the cycle
It is long, and expend substantial amounts of manpower and materials.
The content of the invention
The technical problem to be solved is：A kind of simple structure is provided, supporting rod can be conveniently and efficiently realized
The adjustment and fixation of the position of the T-slot on part and device pedestal, realizes relative position and distance between multiple clamping rod members
Adjustment, so as to the dent resistance for accurately and efficiently realizing automobile panel is tested, and can flexibly select bite, adjust easy to be fast
Victory, the reliable automobile panel dent resistance test clamping device of result of the test.
Techniques discussed above is solved the problems, such as, the technical scheme that the present invention takes is：
The present invention is a kind of automobile panel dent resistance test clamping device, including device pedestal, described device bottom
Multiple tracks T-slot is set, and clamping device also includes multiple clamping rod members, each clamping rod member end portion does not install clamping plate on seat,
Bolt is set, and bolt is configured to the structure for being fixedly connected clamping plate with T-slot, each folder on described clamping plate
Hold rod member upper end and be respectively provided with clamping head, clamp port is set on clamping head, described clamping device top arranges and can clamp
The sprung parts of automobile panel.
Each clamping rod member includes respectively rod member body and threaded shank, and the activity of threaded shank upper end is screwedly mounted on rod member body
Lower end, the multiple clamping plates of threaded shank lower end movable set, is respectively mounted a bolt on each clamping plate, bolt lower end
End head is configured to the structure being stuck in T-slot, and bolt upper end is screwed clamp nut, and threaded shank lower end end head is consolidated
Dingan County fills gripper shoe, and location nut is arranged in threaded shank.
Described T-slot includes the horizontal T-slot of multiple tracks and multiple tracks longitudinally T-shaped groove, the multiple folders being sleeved in threaded shank
Plate is connected respectively by bolt with the T-shaped groove of horizontal T-slot and longitudinal direction, and clamping head is set to u-shaped structure, clamping
Head upper end arranges the grip bolt that can extend in clamp port, and each described clamping plate lower surface is respectively provided with a cushion block,
Cushion block is set to and supports plate thickness identical structure.
Described rod member body includes support bar, upper spill spin block, lower spill spin block, and lower installation board part is arranged on support bar,
Lower spill spin block lower end arranges the attaching plate elements I that twice are arranged in parallel, and lower spill spin block upper end arranges upper mounting plate part, on upper spill spin block
Twice attaching plate elements II is set, and twice attaching plate elements I is flexibly connected by connecting pin with lower installation board part, upper mounting plate part and two
Road attaching plate elements II is flexibly connected by connecting pin, and twice attaching plate elements I is set to and the perpendicular angle arrangement of upper mounting plate part
Structure.
The upper end of described upper spill spin block arranges twice protruding block, there is clearance portion, clamping head between twice protruding block
Lower end arranges the connecting rod of protrusion, and connecting rod is extended between twice protruding block, and connecting rod passes through connecting pin with twice protruding block
It is flexibly connected.
Described device pedestal includes base plate, and multiple platform blocks are arranged on base plate, and presence is set between multiple platform blocks
The structure in gap, the horizontal position between multiple platform blocks forms horizontal T-slot, and the longitudinal position between multiple platform blocks is formed
Longitudinal T-slot.
The present invention also relates to a kind of method tested using above-mentioned clamping device, the method tested
Step is：1) automobile panel is suspended on sprung parts；2) multiple clamping rod members are movably arranged in T-slot, are adjusted
Clamping rod member position, adjusts clamping rod member height；3) multiple bites of automobile panel are clamped in into respectively multiple supporting rods
On the clamping head of part, multiple clamping rod members are fixedly mounted in T-slot, fixed clamp rod member height tightens clamping screw rod, enters
Row automobile panel dent resistance is tested.
Adjust clamping rod member position when, the anglec of rotation of spill spin block and lower spill spin block in adjustment, angle adjustment in place after, lock
Tight upper spill spin block and the respective alignment pin of lower spill spin block, spill spin block and lower spill spin block in fixation.
When adjusting clamping rod member position, clamping rod member height is adjusted in place by the threaded shank of each clamping rod member, tightened
Multiple clamping plates of each clamping rod member are installed on respectively horizontal T by location nut, standing screw portion and the position of rod member body
In the T-shaped groove of type groove and longitudinal direction, the clamp nut on screwed in place bolt, fixed clamp rod member.
Using technical scheme, following beneficial effect can be obtained：
Automobile panel dent resistance test clamping device of the present invention, he is set by clamping rod member and T-slot
Put, can conveniently and efficiently realize the adjustment and fixation of the position of clamping rod member and the T-slot on device pedestal, and realize many
The adjustment of relative position and distance between individual clamping rod member such that it is able to easily and accurately various sizes of automobile panel is entered
Row clamping position, meets the diversified demand of enterprise's automobile panel, cost-effective, after automobile panel clamping position, i.e.,
The dent resistance test of automobile panel can be accurately and efficiently realized, above-mentioned clamping device, simple structure can flexibly select clamping
Point, adjusts simple and efficient, result of the test reliability.
Description of the drawings
Below brief description is made to the content and the labelling in figure expressed by each accompanying drawing of this specification：
Fig. 1 is the structural representation of automobile panel dent resistance test clamping device of the present invention；
Fig. 2 is the structural representation of the device pedestal of the test clamping device described in Fig. 1；
Fig. 3 is the structural representation of the clamping rod member of the test clamping device described in Fig. 1；
Accompanying drawing acceptance of the bid note is respectively：1st, device pedestal；2nd, T-slot；3rd, rod member is clamped；4th, clamping plate；5th, bolt；6th, press from both sides
Hold head；7th, clamp port；8th, rod member body；9th, threaded shank；10th, end head；11st, clamp nut；12nd, gripper shoe；13rd, spiral shell is clamped
Bolt；14th, cushion block；15th, support bar；16th, upper spill spin block；17th, lower spill spin block；18th, lower installation board part；19th, attaching plate elements I；20th, on
Plate is installed；21st, attaching plate elements II；22nd, location nut；23rd, protruding block；24th, connecting rod；25th, support base；26th, base plate；
27th, platform block；28th, horizontal T-slot；29th, the T-shaped groove in longitudinal direction.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, each structure for example involved to the specific embodiment of the present invention
The shape of part, the mutual alignment between construction, each several part and annexation, the effect of each several part and operation principle etc. are made further
Detailed description：
As shown in 1-accompanying drawing of accompanying drawing 3, the present invention is a kind of automobile panel dent resistance test clamping device, including dress
Bottom set seat 1, arranges multiple tracks T-slot 2 on described device pedestal 1, clamping device also includes multiple clamping rod members 3, each clamping
Installation folder plate 4 is distinguished in the bottom of rod member 3, and bolt 5 is arranged on described clamping plate 4, and bolt 5 is configured to clamping plate
4 structures being fixedly connected with T-slot 2, each clamping rod member 3 upper end is respectively provided with clamping head 6, and clamping is arranged on clamping head 6
Mouth 7, described clamping device top arranges the sprung parts that can clamp automobile panel.Said structure is arranged, can be conveniently
The adjustment and fixation of the position of clamping rod member and the T-slot 2 on device pedestal are quickly realized, and realizes multiple clamping rod members
Between relative position and distance adjustment such that it is able to it is fixed easily and accurately various sizes of automobile panel to be carried out clamping
Position, after automobile panel clamping position, you can accurately and efficiently realize the dent resistance test of automobile panel, above-mentioned clamping dress
Put, simple structure, can flexibly select bite, adjust simple and efficient, result of the test reliability.
Each clamping rod member 3 includes respectively rod member body 8 and threaded shank 9, and the upper end activity of threaded shank 9 is screwedly mounted on rod member sheet
The lower end of body portion 8, the multiple clamping plates 4 of the lower end movable set of threaded shank 9 are respectively mounted a bolt 5 on each clamping plate 4, positioning
The end head 10 of the lower end of bolt 5 is configured to the structure being stuck in T-slot 2, and the upper end of bolt 5 is screwed clamp nut 11,
The lower end end head fixed installation gripper shoe 12 of threaded shank 9, arranges location nut 22 in threaded shank 9.Rod member body 8 and threaded shank
9 setting, can realize threaded shank with respect to rod member body spinning in and out, and that realizes clamping rod member height freely facilitates regulation,
To the clamping demand of the automobile panel of different structure size during adequacy test, the versatility of clamping device is improve.Positioning spiral shell
Bolt and location nut, the end head 10 of the lower end of bolt 5 is installed in T-slot 2, can be by clamping plate 4 and the company of fixation of T-slot 2
Connect, realize that pair positioning of the clamping rod member 3 being connected with clamping plate 4 is fixed.
Described T-slot 2 includes the horizontal T-slot 28 of multiple tracks and multiple tracks longitudinally T-shaped groove 29, is sleeved in threaded shank 9
Multiple clamping plates 4 are connected respectively by bolt 5 with the T-shaped groove 29 of horizontal T-slot 28 and longitudinal direction, and clamping head 6 is set in U-shaped
The structure of shape, the upper end of clamping head 6 arranges the grip bolt 13 that can extend in clamp port 7, each described lower surface of clamping plate 4
A cushion block 14 is respectively provided with, cushion block 14 is set to and the thickness identical structure of gripper shoe 12.Each clamping rod member, passes through respectively
Multiple clamping plates and multiple bolts are fixed in the T-shaped groove 29 of horizontal T-slot 28 and longitudinal direction, realize to each clamping rod member from
Different azimuth realizes positioning and regulation, clamps rod member run-off the straight in process of the test unavoidably or rocks, and improves test reliability.
Described rod member body 8 includes support bar 15, upper spill spin block 16, lower spill spin block 17, under arranging on support bar 15
Plate 18 is installed, the lower lower end of spill spin block 17 arranges the attaching plate elements I 19 that twice are arranged in parallel, and the lower upper end of spill spin block 17 is arranged pacifies
Dress plate 20, arranges twice attaching plate elements II 21 on upper spill spin block 16, twice attaching plate elements I 19 is by connecting pin and lower installation board
Part 18 is flexibly connected, and upper mounting plate part 20 is flexibly connected with twice attaching plate elements II 21 by connecting pin, twice attaching plate elements I 19
It is set to the structure with the perpendicular angle of upper mounting plate part 20 arrangement.By the setting of upper spill spin block 16 and lower spill spin block 17, rotation
Turn upper spill spin block 16 and lower spill spin block 17, angular adjustment of the clamping head 6 to different azimuth can be realized such that it is able to meet to not
Grip with the automobile panel of moulding and size, improve the scope of application of clamping device.
The upper end of described upper spill spin block 16 arranges twice protruding block 23, there is clearance portion between twice protruding block 23,
The lower end of clamping head 6 arranges the connecting rod 24 of protrusion, and connecting rod 24 is extended between twice protruding block 23, and connecting rod 24 is convex with twice
Bittiness 23 are flexibly connected by connecting pin.By above-mentioned structure setting, the work of clamping head 6 and upper spill spin block 16 is conveniently realized
Dynamic connection, clamping head 6 can also realize movable rotation, be easy to clamping and fixation to different structure automobile panel, improve
The scope of application of clamping device.
Described device pedestal 1 includes base plate 26, and multiple platform blocks 27 are arranged on base plate 26, sets between multiple platform blocks 27
The structure that there is gap is set to, the horizontal position between multiple platform blocks 27 forms horizontal T-slot 28, between multiple platform blocks 27
Longitudinal position form longitudinal T-slot 29.Such structure, by the combination of multiple platform blocks, you can multiple multiple tracks are set out
The horizontal longitudinal T-shaped groove 29 of T-slot 28 and multiple tracks, so than on plate processing T-slot it is convenient, also easily facilitate adjustment
T-slot width dimensions, improve versatility.
The present invention also relates to a kind of method tested using above-mentioned clamping device, the method tested
Step is：1) automobile panel is suspended on sprung parts；2) multiple clamping rod members 3 are movably arranged in T-slot 2, are adjusted
The position of section clamping rod member 3 and height, adjust the height of clamping rod member 3；3) multiple bites of automobile panel are clamped respectively
On the clamping head 6 of multiple clamping rod members 3, multiple clamping rod members 3 are fixedly mounted in T-slot 2, fixed clamp rod member 3 is high
Degree, tightens clamping screw rod 13, carries out automobile panel dent resistance test.Said method, can easily and accurately to different size
Automobile panel carry out clamping position, after automobile panel clamping position, you can accurately and efficiently realize automobile panel
Dent resistance is tested, above-mentioned clamping device, simple structure, can flexibly select bite, adjusts simple and efficient, and result of the test can
Lean on.
When adjusting clamping 3 position of rod member, the anglec of rotation of spill spin block 16 and lower spill spin block 17 in adjustment, angle adjustment is in place
Afterwards, spill spin block 16 and the respective alignment pin of lower spill spin block 17 in locking.
When adjusting clamping 3 position of rod member, the height of clamping rod member 3 is adjusted in place by the threaded shank 9 of each clamping rod member 3,
Screwed in place nut 22, standing screw portion 9 and the position of rod member body 8, multiple clamping plates 4 of each clamping rod member 3 are distinguished
It is installed in the T-shaped groove 29 of horizontal T-slot 28 and longitudinal direction, the clamp nut 11 on screwed in place bolt 5, fixed clamp rod member 3.
Automobile panel dent resistance test clamping device of the present invention, he is set by clamping rod member and T-slot
Put, can conveniently and efficiently realize the adjustment and fixation of the position of clamping rod member and the T-slot on device pedestal, and realize many
The adjustment of relative position and distance between individual clamping rod member such that it is able to easily and accurately various sizes of automobile panel is entered
Row clamping position, meets the diversified demand of enterprise's automobile panel, cost-effective, after automobile panel clamping position, i.e.,
The dent resistance test of automobile panel can be accurately and efficiently realized, above-mentioned clamping device, simple structure can flexibly select clamping
Point, adjusts simple and efficient, result of the test reliability.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that concrete implementation of the present invention is not by above-mentioned
The restriction of mode, if the various improvement that method of the present invention design and technical scheme are carried out are employed, or it is not improved by this
The design of invention and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (7)
1. a kind of automobile panel dent resistance test clamping device, including device pedestal (1), on described device pedestal (1)
Multiple tracks T-slot (2) is set, and clamping device also includes multiple clampings rod member (3), each clamping rod member (3) bottom is respectively mounted
Clamping plate (4), arranges bolt (5) on described clamping plate (4), bolt (5) is configured to clamping plate (4) and T-slot
(2) structure being fixedly connected, each clamping rod member (3) upper end is respectively provided with clamping head (6), and clamping is arranged on clamping head (6)
Mouth (7), described clamping device top arranges the sprung parts that can clamp automobile panel；
It is characterized in that：Each clamping rod member (3) includes respectively rod member body (8) and threaded shank (9), threaded shank (9) upper end
Activity is screwedly mounted on rod member body (8) lower end, and movable set multiple clamping plates (4) in threaded shank (9) lower end are divided on each clamping plate (4)
Not An Zhuan a bolt (5), the end head (10) of bolt (5) lower end is configured to the knot being stuck in T-slot (2)
Structure, bolt (5) upper end is screwed clamp nut (11), threaded shank (9) lower end end head fixed installation gripper shoe (12), screw rod
Location nut (22) is set in portion (9)；
Described rod member body (8) includes support bar (15), upper spill spin block (16), lower spill spin block (17), on support bar (15)
Lower installation board part (18) is set, and lower spill spin block (17) lower end arranges the attaching plate elements I (19) that twice are arranged in parallel, lower spill spin block
(17) upper end arranges upper mounting plate part (20), and twice attaching plate elements II (21), twice attaching plate elements I are arranged on upper spill spin block (16)
(19) it is flexibly connected with lower installation board part (18) by connecting pin, upper mounting plate part (20) passes through with twice attaching plate elements II (21)
Connecting pin is flexibly connected, and twice attaching plate elements I (19) is set to the structure with the perpendicular angle arrangement of upper mounting plate part (20).
2. automobile panel dent resistance test clamping device according to claim 1, it is characterised in that：Described is T-shaped
Groove (2) includes the longitudinal T-shaped groove (29) of the horizontal T-slot of multiple tracks (28) and multiple tracks, the multiple clamping plates being sleeved in threaded shank (9)
(4) pass through bolt (5) respectively to be connected with the T-shaped groove (29) of horizontal T-slot (28) and longitudinal direction, clamping head (6) is set in U
The structure of font, clamping head (6) upper end arranges the grip bolt (13) that can extend in clamp port (7), under each clamping plate (4)
End face is respectively provided with a cushion block (14), and cushion block (14) is set to and gripper shoe (12) thickness identical structure.
3. automobile panel dent resistance test clamping device according to claim 1, it is characterised in that：Described upper rotation
The upper end of switch block (16) arranges twice protruding block (23), there is clearance portion, clamping head (6) lower end between twice protruding block (23)
The connecting rod (24) of protrusion is set, and connecting rod (24) is extended between twice protruding block (23), connecting rod (24) is raised with twice
Block (23) is flexibly connected by connecting pin.
4. automobile panel dent resistance test clamping device according to claim 1, it is characterised in that：Described device
Base (1) includes base plate (26), and multiple platform blocks (27) are arranged on base plate (26), and presence is set between multiple platform blocks (27)
The structure in gap, the horizontal position between multiple platform blocks (27) forms horizontal T-slot (28), between multiple platform blocks (27)
Longitudinal position forms longitudinal T-slot (29).
5. the clamping device according to claim 1-4 any claim carries out the side of automobile panel dent resistance test
Method, it is characterised in that：The step of method tested is：1) automobile panel is suspended on sprung parts；2) will be multiple
Clamping rod member (3) is movably arranged in T-slot (2), adjusts clamping rod member (3) position, adjusts position and the height of clamping rod member (3)
Degree；3) multiple bites of automobile panel are clamped in respectively on the clamping head (6) of multiple clampings rod member (3), by multiple folders
Hold rod member (3) to be fixedly mounted in T-slot (2), fixed clamp rod member (3) height tightens clamping screw rod (13), carries out automobile and covers
Cover piece dent resistance is tested.
6. the method that clamping device according to claim 5 is tested, it is characterised in that：Adjust clamping rod member (3) position
When putting, the anglec of rotation of spill spin block (16) and lower spill spin block (17) in adjustment, angle adjustment in place after, spill spin block (16) in locking
With the respective alignment pin of lower spill spin block (17).
7. the method that clamping device according to claim 5 is tested, it is characterised in that：Adjust clamping rod member (3) position
When putting, clamping rod member (3) height is adjusted in place by the threaded shank (9) of each clamping rod member (3), screwed in place nut (22),
Multiple clamping plates (4) of each clamping rod member (3) are installed on respectively horizontal stroke by standing screw portion (9) and the position of rod member body (8)
Into the T-shaped groove (29) of T-slot (28) and longitudinal direction, the clamp nut (11) on screwed in place bolt (5), fixed clamp rod member
(3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616561.4A CN104316308B (en) | 2014-11-05 | 2014-11-05 | Clamping device for automobile panel dent resistance test and testing method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616561.4A CN104316308B (en) | 2014-11-05 | 2014-11-05 | Clamping device for automobile panel dent resistance test and testing method using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104316308A CN104316308A (en) | 2015-01-28 |
| CN104316308B true CN104316308B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616561.4A Active CN104316308B (en) | 2014-11-05 | 2014-11-05 | Clamping device for automobile panel dent resistance test and testing method using same |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106225975A (en) * | 2016-09-20 | 2016-12-14 | 广州肖宁道路工程技术研究事务所有限公司 | The test device of a kind of tire and road surface contact pressure and the system of measurement |
| CN109443670A (en) * | 2018-09-13 | 2019-03-08 | 肇庆学院 | A kind of body of a motor car surface indentation and dent test method |
| CN109238827B (en) * | 2018-09-25 | 2023-09-29 | 东莞广泽汽车饰件有限公司 | Box resistance to compression detects tool |
| CN109341992A (en) * | 2018-11-01 | 2019-02-15 | 广州大学 | A kind of experimental provision for vibration mechanics modal test |
| CN109773562B (en) * | 2019-03-08 | 2020-05-29 | 西安阿尔斯通永济电气设备有限公司 | Automatic component supply system for motor assembly |
| CN112033774A (en) * | 2020-08-24 | 2020-12-04 | 中国汽车工程研究院股份有限公司 | Anti concave test sample spare and fixing device of simulation automobile body outer covering piece |
| CN114383798B (en) * | 2021-12-24 | 2024-04-05 | 中通客车股份有限公司 | Vibration test tool and test device for automobile parts |
| CN116183395A (en) * | 2023-04-25 | 2023-05-30 | 河北泉恩高科技管业有限公司 | Pipe ring stiffness testing machine capable of being rapidly centered |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19939549A1 (en) * | 1999-08-20 | 2001-02-22 | Volkswagen Ag | Test stand for measuring buckling strength e,g. of vehicle body components, with test head traversing along x and y axes |
| KR100440306B1 (en) * | 2001-11-22 | 2004-07-15 | 현대자동차주식회사 | tester of dent stiffness for car body panel |
| CN1493863A (en) * | 2002-10-31 | 2004-05-05 | 宝山钢铁股份有限公司 | Automobile component part antisink property testing method |
| CN102435508B (en) * | 2011-09-14 | 2013-11-06 | 江苏科技大学 | White car body static stiffness restriction device and static stiffness detection method |
| KR101377872B1 (en) * | 2012-06-28 | 2014-03-26 | 현대제철 주식회사 | Dent test device |
| CN103558035B (en) * | 2013-11-11 | 2015-08-19 | 广汽本田汽车有限公司 | Anti-concavity test instrument for automobile body covering part |
| CN203811389U (en) * | 2014-04-14 | 2014-09-03 | 广汽菲亚特汽车有限公司 | Finished automobile body sinking-resistance test tool |
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