CN109855820A - A kind of white body Static stiffness local stiffness testing stand - Google Patents
A kind of white body Static stiffness local stiffness testing stand Download PDFInfo
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- CN109855820A CN109855820A CN201811479163.7A CN201811479163A CN109855820A CN 109855820 A CN109855820 A CN 109855820A CN 201811479163 A CN201811479163 A CN 201811479163A CN 109855820 A CN109855820 A CN 109855820A
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- testing stand
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Abstract
The invention discloses a kind of white body Static stiffness local stiffness testing stands, including testing stand, the top of testing stand is equipped with front suspension fork mechanism and several loading mechanisms positioned at front suspension fork mechanism side, it is connected between the top of adjacent load mechanism by bending stiffness loading mechanism, the top of testing stand is equipped with the rear suspension mechanism positioned at loading mechanism side, wherein, front suspension fork mechanism includes support base one, the two sides middle position of support base one is equipped with support column one, it is connected between support base one and support column one by support frame, the bottom end two sides of support base one and the output axis connection of electric telescopic rod one, the top of support base one is equipped with support plate, the top two sides of support plate are symmetrically arranged with mounting plate, the top of mounting plate is equipped with supporting mechanism.The utility model has the advantages that the design structure simple operations are convenient, convenient for the white body detection offer convenience to different automobile types, entire load and test process realize automation and intelligence, effectively raise detection efficiency.
Description
Technical field
The present invention relates to technical field of automobile detection, it particularly relates to which a kind of white body Static stiffness local stiffness is tested
Platform.
Background technique
The white body of automobile refers to the vehicle body before completing welding but non-coating, does not include the movement parts such as car door, bonnet.
Curved, the torsion rigidity of white body are the important technology indexs evaluated white body and resist bending and torsional deformability.Therefore, in automobile
In vehicle R&D process, the analysis of experiments research that static torsion and bending stiffness are carried out to white body is essential ring
Section.In the prior art, load is applied to white body by torsional rigidity test of vehicular platform, the position arranged by test point each on white body
Shift measurement component acquires displacement data, so that it is determined that the torsion and bending stiffness of white body static state.However, in actual use process
In, dialogue vehicle is supported, and not can guarantee white vehicle and is in equilibrium state, therefore during the test, will lead to test data
It is not accurate enough, while detection process needs to put into a large amount of manpowers, is unable to reach intellectualized detection.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of white body Static stiffness local stiffness testing stand, to overcome
Above-mentioned technical problem present in existing the relevant technologies.
For this purpose, the specific technical solution that the present invention uses is as follows:
The top of a kind of white body Static stiffness local stiffness testing stand, including testing stand, the testing stand is equipped with front suspension fork mechanism
With several loading mechanisms for being located at the front suspension fork mechanism side, pass through bending stiffness between the top of the adjacent loading mechanism
Loading mechanism connection, the top of the testing stand are equipped with the rear suspension mechanism positioned at the loading mechanism side, wherein the front overhang
Frame mechanism includes support base one, and the two sides middle position of the support base one is equipped with support column one, the support base one and institute
It states and is connected between support column one by support frame, the bottom end two sides of the support base one and the output shaft of electric telescopic rod one connect
It connects, the top of the support base one is equipped with support plate, and the top two sides of the support plate are symmetrically arranged with mounting plate, the mounting plate
Top be equipped with supporting mechanism, the supporting mechanism includes the slide plate for being set to the mounting plate top, on the slide plate
The top of slide two equipped with slide one and positioned at one side of slide, the slide one is equipped with deck one, the slide two
Top be equipped with deck two, the top of the deck one is equipped with motion bar one, and the top of the motion bar one is equipped with pull rod, described
The top of pull rod is equipped with support cap one, is arranged with fixture block on the pull rod, passes through activity between the fixture block and the deck two
Bar two connects.
Further, it is bolted between the adjacent support column one and support frame as described above, the deck one and institute
Stating deck two is U-shaped structure.
Further, the inside of the slide one and the slide two is equipped with sliding slot compatible with the slide plate, and institute
Stating sliding slot and the slide plate is T-shaped structure.
Further, the rear suspension mechanism includes support base two, and the top of the support base two is equipped with support column two, described
The top activity cylinder one of support column two, the activity cylinder one is cavity structure, and the inside of the movable cylinder one is equipped with screw rod, institute
The side for stating screw rod is engaged with worm screw, and one end of the worm screw is connect with the rotating handles being located at outside the movable cylinder one, institute
The top for stating screw rod is equipped with the support cap two being located at outside the movable cylinder one.
Further, the inside of the movable cylinder one is equipped with thread groove compatible with the screw rod, the activity cylinder one
Side be equipped with and be sheathed on the movable cylinder two of the worm screw.
Further, the loading mechanism includes support chassis, and the top of the support chassis is equipped with gear-box, the tooth
The top of roller box is equipped with planetary reducer, and one end of the planetary reducer is connect with motor output shaft, and the gear-box
Outside is symmetrically arranged with several carrying handles, and the output shaft of the gear-box is passed with the power for being located at the planetary reducer side
Sensor connection, and the top of the force snesor is equipped with pull ring one.
Further, the bending stiffness loading mechanism includes several load seats, passes through load between the load seat
Bar connection, the bottom end two sides of the load bar are symmetrically arranged with pull ring two, and the lower section of the pull ring two is equipped with screwed ring, the spiral shell
The top of line ring is equipped with the movable component one connecting with the pull ring two, and the bottom end of the screwed ring is equipped with to be connected with the pull ring one
The movable component two connect.
Further, the movable component one and the movable component two are made of threaded rod and drag hook, and the spiral shell
The top and bottom end of line ring are equipped with screw thread mouth compatible with the threaded rod.
The invention has the benefit that by the top that the bottom end of white Chinese herbaceous peony railway carriage is placed on to support cap one, Jin Ertong
The rear overhang mechanism supports of setting are crossed in the bottom end of the trunk of white vehicle, effective dialogue vehicle is supported, and white vehicle is kept to be in flat
Weighing apparatus state, and then the loading mechanism that bending stiffness loading mechanism is placed on white car, and is equipped with, by loading mechanism and bending
Rigidity loading mechanism is cooperatively connected, and the local stiffness of effective dialogue vehicle is detected, and the design structure simple operations are convenient, just
In the white body detection offer convenience to different automobile types, entire load and test process realize automation and intelligence, effectively
Improve detection efficiency.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention；
Fig. 2 is that a kind of structure of the front suspension fork mechanism of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention is shown
It is intended to；
Fig. 3 is a kind of slide side view diagram of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the rear suspension mechanism of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention
Figure；
Fig. 5 is a kind of one interior view of movable cylinder of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention；
Fig. 6 is a kind of structural representation of the loading mechanism of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention
Figure；
Fig. 7 is a kind of loading mechanism of white body Static stiffness local stiffness testing stand bending stiffness according to an embodiment of the present invention
Structural schematic diagram；
Fig. 8 is that a kind of structure of the movable component one of white body Static stiffness local stiffness testing stand according to an embodiment of the present invention is shown
It is intended to.
In figure:
1, testing stand；2, front suspension fork mechanism；3, loading mechanism；4, bending stiffness loading mechanism；5, rear suspension mechanism；6, support base
One；7, support column one；8, support frame；9, electric telescopic rod one；10, support plate；11, mounting plate；12, slide one；13, slide
Two；14, slide plate；15, deck one；16, motion bar one；17, pull rod；18, support cap one；19, fixture block；20, deck two；21, living
Lever two；22, bolt；23, support base two；24, support column two；25, movable cylinder one；26, screw rod；27, worm screw；28, handle is rotated
Hand；29, thread groove；30, movable cylinder two；31, support chassis；32, gear-box；33, planetary reducer；34, motor；35, it carries
Handle；36, force snesor；37, pull ring one；38, support cap two；39, seat is loaded；40, load bar；41, pull ring two；42, screw thread
Ring；43, drag hook；44, threaded rod.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of white body Static stiffness local stiffness testing stand.
Embodiment one:
As shown in figures 1-8, white body Static stiffness local stiffness testing stand according to an embodiment of the present invention, including testing stand 1, it is described
The top of testing stand 1 is equipped with front suspension fork mechanism 2 and several loading mechanisms 3 positioned at 2 side of front suspension fork mechanism, adjacent described
Pass through bending stiffness loading mechanism 4 between the top of loading mechanism 3 to connect, the top of the testing stand 1, which is equipped with, is located at described add
The rear suspension mechanism 5 of 3 side of mounted mechanism, wherein the front suspension fork mechanism 2 includes support base 1, the two sides of the support base 1
Middle position is equipped with support column 1, is connected between the support base 1 and the support column 1 by support frame 8, described
The top of the bottom end two sides of support base 1 and the output axis connection of electric telescopic rod 1, the support base 1 is equipped with support plate
10, the top two sides of the support plate 10 are symmetrically arranged with mounting plate 11, and the top of the mounting plate 11 is equipped with supporting mechanism, institute
Stating supporting mechanism includes the slide plate 14 for being set to 11 top of mounting plate, is equipped with slide 1 on the slide plate 14 and is located at
The top of the slide 2 13 of one 12 side of slide, the slide 1 is equipped with deck 1, the top of the slide 2 13
Equipped with deck 2 20, the top of the deck 1 is equipped with motion bar 1, and the top of the motion bar 1 is equipped with pull rod 17,
The top of the pull rod 17 is equipped with support cap 1, and fixture block 19, the fixture block 19 and the deck are arranged on the pull rod 17
It is connected between 2 20 by motion bar 2 21.
With the aid of the technical scheme, by the way that the bottom end of white Chinese herbaceous peony railway carriage to be placed on to the top of support cap 1, in turn
The bottom end of the trunk of white vehicle is supported on by the rear suspension mechanism 5 of setting, effective dialogue vehicle is supported, and white vehicle is kept to be in
Equilibrium state, and then the loading mechanism 3 that bending stiffness loading mechanism 4 is placed on white car, and is equipped with, by loading mechanism 3
It is cooperatively connected with bending stiffness loading mechanism 4, the local stiffness of effective dialogue vehicle is detected, the design structure simple operations
Convenient, convenient for the white body detection offer convenience to different automobile types, entire load and test process realize automation and intelligence,
Effectively raise detection efficiency.
Embodiment two:
As shown in figure 3, being connected between the adjacent support column 1 and support frame as described above 8 by bolt 22, one 15 He of deck
The deck 2 20 is U-shaped structure.By the bolt 22 of setting, convenient for so that support column 1 and support frame 8 peace installation and dismantling
It unloads.
As shown in figure 3, the inside of the slide 1 and the slide 2 13 is equipped with cunning compatible with the slide plate 14
Slot, and the sliding slot and the slide plate 14 are T-shaped structure.By the sliding slot of setting, convenient for so that slide 1 and the cunning
Seat 2 13 moves on slide plate 14, and then adjusts the position of slide 1 and slide 2 13 according to the actual situation.
As shown in Figure 4,5, the rear suspension mechanism 5 includes support base 2 23, and the top of the support base 2 23 is equipped with support
Column 2 24, the top activity cylinder 1 of the support column 2 24, the activity cylinder 1 are cavity structure, and the movable cylinder one
25 inside is equipped with screw rod 26, and the side of the screw rod 26 is engaged with worm screw 27, one end of the worm screw 27 be located at the work
Rotating handles 28 outside dynamic cylinder 1 connect, and the top of the screw rod 26 is equipped with the support being located at outside the movable cylinder 1
Cap 2 38.By the rear suspension mechanism 5 of setting, drive worm screw 27 to rotate convenient for rotation rotating handles 28, so by worm screw 27 with
The engagement connection relationship of screw rod 26, so that screw rod 26 is gone up and down, so that screw rod 26 drives support cap 2 38 to move up,
And then it is supported convenient for adjusting the height dialogue vehicle frame of support cap 2 38.
As shown in figure 5, the inside of the activity cylinder 1 is equipped with thread groove 29 compatible with the screw rod 26, the work
The side of dynamic cylinder 1 is equipped with the movable cylinder 2 30 for being sheathed on the worm screw 27.By the thread groove 29 of setting, convenient for so that silk
Bar 26 can be self-locking during rising, effectively raises the stability of dialogue vehicle support.
As shown in fig. 6, the loading mechanism 3 includes support chassis 31, the top of the support chassis 31 is equipped with gear-box
32, the top of the gear-box 32 is equipped with planetary reducer 33, and one end of the planetary reducer 33 and 34 output shaft of motor connect
Connect, and the outside of the gear-box 32 is symmetrically arranged with several carrying handles 35, and the output shaft of the gear-box 32 be located at
The force snesor 36 of 33 side of planetary reducer connects, and the top of the force snesor 36 is equipped with pull ring 1.It is described
Force snesor 36, the motor 34, the planetary reducer 33 and the gear-box 32 are electrically connected with extraneous controller, are led to
The loading mechanism 3 of setting is crossed, it is effective to start motor 34, and then motor 34 passes through the work of planetary reducer 33 and gear-box 32
With effectively reducing the velocity of rotation of motor 34, and then force snesor 36 and pull ring 1 is driven to be rotated.
As shown in fig. 7, the bending stiffness loading mechanism 4 includes several load seats 39, lead between the load seat 39
The connection of load bar 40 is crossed, the bottom end two sides of the load bar 40 are symmetrically arranged with pull ring 2 41, and the lower section of the pull ring 2 41 is all provided with
There is screwed ring 42, the top of the screwed ring 42 is equipped with the movable component one connecting with the pull ring 2 41, the screwed ring 42
Bottom end be equipped with the movable component two that connect with the pull ring 1.By the bending stiffness loading mechanism 4 of setting, effectively will
Several load seats 39 are placed on Bai Chezhong, and then the movable component two of 42 bottom end of screwed ring is connect with pull ring 1, effectively
So that the both ends of load bar 40 stretch downwards, and then the bending stiffness of white vehicle is measured by force snesor 36.
As shown in figure 8, the movable component one and the movable component two are made of threaded rod 44 and drag hook 43, and institute
The top and bottom end for stating screwed ring 42 are equipped with screw thread mouth compatible with the threaded rod 44.By the screw thread mouth of setting, make
Force sensor 36 and pull ring 1 in the course of rotation so that movable component two screwed ring 42 inside go up and down, simultaneously
It drives movable component one to go up and down in the inside of screwed ring 42, effectively makes pull ring 1 and pull ring 2 41 close to each other, in turn
The both ends of load bar 40 are pulled, bring convenience to measure the bending stiffness of white vehicle.
Working principle: in use, rotation rotating handles 28, effectively make rotating handles 28 that worm screw 27 be driven to rotate, into
And pass through the connection relationship that engages of worm screw 27 and screw rod 26, so that screw rod 26 is gone up and down in the inside of movable cylinder 1, in turn
Screw rod 26 drives support cap 2 38 to move up, and props up the bottom of the trunk of 2 38 dialogue vehicle of support cap
Support, and then moving sliding base 2 13 and slide 1 on slide plate 14, and then one 16 rotated ninety degrees of motion bar are swung, so that movable
Bar 1 drives pull rod 17 and support cap 1 in a vertical state, and then is risen by motion bar 2 21 and fixture block 19 to pull rod 17
It is fixed on by way of screw on slide plate 14 to supporting role, and then by slide 2 13 and slide 1, so that support
The front truck bottom portion of white vehicle is supported by cap 1, load seat 39 is placed in white railway carriage, the personnel of working at the same time move carrying
Handle 35, so that support chassis 31 is located at the two sides of white vehicle, and then by the drag hook of the movable component two of 42 bottom end of screwed ring and drawing
Ring 1 connects, and then starts motor 34, so that motor 34, under the action of planetary reducer 33 and gear-box 32, drive passes
Sensor 36 and pull ring 1 are rotated, and then pull ring 1 drives movable component two to rotate, so that the screw thread of movable component two
Bar 44 is gone up and down in screwed ring 42, drives screwed ring 42 at 44 liters of threaded rod of movable component one when screwed ring 42 is elevated to bottom
Drop so that pull ring 1 and pull ring 2 41 are close, and then effectively pull the both ends of load bar 40, and then is sensed by power
The pulling force at effect detection 40 both ends of load bar of device 36, while detecting the bending stiffness of white vehicle.
In conclusion by means of above-mentioned technical proposal of the invention, by the way that the bottom end of white Chinese herbaceous peony railway carriage is placed on support
The top of cap 1, and then the rear suspension mechanism 5 by being arranged is supported on the bottom end of the trunk of white vehicle, effective dialogue vehicle carries out
Support, keeps white vehicle to be in equilibrium state, and then the load that bending stiffness loading mechanism 4 is placed on white car, and is equipped with
Loading mechanism 3 and bending stiffness loading mechanism 4 are cooperatively connected by mechanism 3, and the local stiffness of effective dialogue vehicle is detected,
The design structure simple operations are convenient, provide convenience, entire load and test process convenient for the white body detection to different automobile types
It realizes automation and intelligence, effectively raises detection efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of white body Static stiffness local stiffness testing stand, which is characterized in that including testing stand (1), the testing stand (1)
Top is equipped with front suspension fork mechanism (2) and is located at several loading mechanisms (3) of the front suspension fork mechanism (2) side, it is adjacent described plus
It is connected between the top of mounted mechanism (3) by bending stiffness loading mechanism (4), the top of the testing stand (1), which is equipped with, is located at institute
State the rear suspension mechanism (5) of loading mechanism (3) side, wherein the front suspension fork mechanism (2) includes support base one (6), the support
The two sides middle position of one (6) of seat is equipped with support column one (7), leads between the support base one (6) and the support column one (7)
Cross support frame (8) connection, the bottom end two sides of the support base one (6) and the output axis connection of electric telescopic rod one (9), the branch
The top for supportting seat one (6) is equipped with support plate (10), and the top two sides of the support plate (10) are symmetrically arranged with mounting plate (11), described
The top of mounting plate (11) is equipped with supporting mechanism, and the supporting mechanism includes the slide plate for being set to the mounting plate (11) top
(14), it is equipped with slide one (12) on the slide plate (14) and is located at the slide two (13) of slide one (12) side, it is described
The top of slide one (12) is equipped with deck one (15), and the top of the slide two (13) is equipped with deck two (20), the deck one
(15) top is equipped with motion bar one (16), and the top of the motion bar one (16) is equipped with pull rod (17), the pull rod (17)
Top is equipped with support cap one (18), is arranged with fixture block (19) on the pull rod (17), the fixture block (19) and the deck two
(20) it is connected between by motion bar two (21).
2. a kind of white body Static stiffness local stiffness testing stand according to claim 1, which is characterized in that the adjacent branch
It is connect between dagger one (7) and support frame as described above (8) by bolt (22), the deck one (15) and the deck two (20) are equal
For U-shaped structure.
3. a kind of white body Static stiffness local stiffness testing stand according to claim 1, which is characterized in that the slide one
(12) and the inside of the slide two (13) is equipped with the slide plate (14) compatible sliding slot, and the sliding slot and the slide plate
It (14) is T-shaped structure.
4. a kind of white body Static stiffness local stiffness testing stand according to claim 1, which is characterized in that the rear overhang machine
Structure (5) includes support base two (23), and the top of the support base two (23) is equipped with support column two (24), the support column two (24)
Top activity cylinder one (25), the activity cylinder one (25) is cavity structure, and the inside of the movable cylinder one (25) is equipped with silk
The side of bar (26), the screw rod (26) is engaged with worm screw (27), one end of the worm screw (27) be located at the movable cylinder one
(25) external rotating handles (28) connection, the top of the screw rod (26), which is equipped with, is located at the external branch of the movable cylinder one (25)
It supports cap two (38).
5. a kind of white body Static stiffness local stiffness testing stand according to claim 4, which is characterized in that the activity cylinder
The inside of one (25) is equipped with the screw rod (26) compatible thread groove (29), and the side of the activity cylinder one (25) is equipped with set
Set on the movable cylinder two (30) of the worm screw (27).
6. a kind of white body Static stiffness local stiffness testing stand according to claim 1, which is characterized in that the load machine
Structure (3) includes support chassis (31), and the top of the support chassis (31) is equipped with gear-box (32), the top of the gear-box (32)
End is equipped with planetary reducer (33), and one end and motor (34) of the planetary reducer (33) export axis connection, and the gear
Be symmetrically arranged with several carrying handles (35) on the outside of case (32), and the output shaft of the gear-box (32) be located at the planet
The force snesor (36) of speed reducer (33) side connects, and the top of the force snesor (36) is equipped with pull ring one (37).
7. a kind of white body Static stiffness local stiffness testing stand according to claim 1, which is characterized in that the bending is rigid
Degree loading mechanism (4) includes several loads seat (39), is connected between the load seat (39) by load bar (40), described to add
The bottom end two sides for carrying bar (40) are symmetrically arranged with pull ring two (41), and screwed ring (42), institute are equipped with below the pull ring two (41)
The top for stating screwed ring (42) is equipped with the movable component one connecting with the pull ring two (41), and the bottom end of the screwed ring (42) is set
There is the movable component two connecting with the pull ring one (37).
8. a kind of white body Static stiffness local stiffness testing stand according to claim 7, the movable component one and described
Movable component two is made of threaded rod (44) and drag hook (43), and the top of the screwed ring (42) and bottom end are equipped with and institute
State the compatible screw thread mouth of threaded rod (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811479163.7A CN109855820A (en) | 2018-12-05 | 2018-12-05 | A kind of white body Static stiffness local stiffness testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811479163.7A CN109855820A (en) | 2018-12-05 | 2018-12-05 | A kind of white body Static stiffness local stiffness testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109855820A true CN109855820A (en) | 2019-06-07 |
Family
ID=66890685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811479163.7A Pending CN109855820A (en) | 2018-12-05 | 2018-12-05 | A kind of white body Static stiffness local stiffness testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109855820A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218604A (en) * | 2021-05-28 | 2021-08-06 | 上海翼锐汽车科技有限公司 | Device and method for measuring local rigidity of door limiter hole |
| CN113340612A (en) * | 2021-06-04 | 2021-09-03 | 一汽解放汽车有限公司 | Static rigidity test platform for white vehicle body of vehicle |
| CN113432891A (en) * | 2021-06-29 | 2021-09-24 | 江铃汽车股份有限公司 | Device and method for testing static bending rigidity of cab of flat-head truck |
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| CN113432891A (en) * | 2021-06-29 | 2021-09-24 | 江铃汽车股份有限公司 | Device and method for testing static bending rigidity of cab of flat-head truck |
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Application publication date: 20190607 |
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