CN104677644A - Novel automobile part modal test rack - Google Patents
Novel automobile part modal test rack Download PDFInfo
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- CN104677644A CN104677644A CN201510078954.9A CN201510078954A CN104677644A CN 104677644 A CN104677644 A CN 104677644A CN 201510078954 A CN201510078954 A CN 201510078954A CN 104677644 A CN104677644 A CN 104677644A
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- crossbeam
- thick stick
- stand
- floor installation
- length adjustment
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Abstract
The invention discloses a novel automobile part modal test rack which comprises two telescopic rods, two cross beams and four supporting angle irons, wherein the telescopic rods and the cross beams are connected at intervals through supporting rod slipknots to form a quadrangular structure; the four corners of the quadrangular structure are respectively connected with the supporting angle irons through the supporting rod slipknots; translation sliding blocks connected with hooks are arranged on the cross beams and are provided with bolts for fixing the position; the supporting angle irons are connected with supporting structures. The novel automobile part modal test rack is low in manufacturing cost and reliable in performance and can be used for tests on various grounds and guarantee the stability of an experiment process; mounting of various automobile parts with different sizes can be realized, and the whole size can be reduced to save the space; the novel automobile part modal test rack is convenient to use and easy to maintain.
Description
Technical field
The present invention relates to a kind of mould measurement device, particularly a kind of new automobile parts mould measurement stand.
Background technology
Since 21st century, automobile enters fast-developing period, has become at present one of vehicles the most easily, complicated and changeable because of environment for use, and automobile can vibrate in the process of moving.And auto parts and components vibration frequency is different, it will be made to resonate when natural frequency close to certain parts of the excitation in the external world, then can aggravate vibration.It is tired that strong resonance easily makes auto parts and components occur, and causes its structural damage, thus reduce serviceable life, therefore can reduce the security performance of automobile; And inappropriate resonance will affect car load comfortableness and ride comfort, strengthen driving noise, and make driver and crew extremely uncomfortable; Therefore carry out testing and analyzing to the resonant frequency of these auto parts and components and characteristics of mode to be extremely necessary.
Domestic automobile independent research product gets more and more, the auto parts and components such as engine, variator, car door vehicle body are tending towards production domesticization gradually, and these parts will through strict performance test before putting on market, NVH performance test is a very important link, the project and mould measurement is wherein absolutely necessary.Carry out mould measurement for auto parts and components often to need to be tested by special test stand, specialized instrument and equipment and Special experimental room, and different vehicle element size difference is larger, as larger in automobile body-in-white size, case of transmission is less, need to design different mould measurement testing tables according to different sizes, often inject capital into comparatively large, therefore, domestic except strong Automobile Enterprises, medium and small sized enterprises and University Scientific Research mechanism seldom can carry out the research work of this respect.
At present, the mould measurement stand many employings large-sized gantry stand used in Automobile Enterprises is at home reequiped, and gantry stand is bulky, requires higher to site area.Therefore, domestic strong Automobile Enterprises is in order to the demand of the actual test case of satisfied different parts, often to maximize with size and design gantry stand, and choose larger experimental site to meet depositing of stand, unnecessary waste can be produced like this, the enterprise of the shortage of capital does not afford to do expensive expense, cannot provide place yet.
Summary of the invention
In order to overcome the shortcomings such as existing current mould measurement stand is bulky, occupied ground is large, cost is high, unadjustable, maneuverability is poor.The present invention, under cost-saving prerequisite, devises a kind of new automobile parts mould measurement stand.
Technical scheme of the present invention is for achieving the above object:
A kind of new automobile parts mould measurement stand, comprise expansion link, crossbeam and feet iron, described expansion link is 2, crossbeam is 2, feet iron is 4, described expansion link and crossbeam are connected to form quadrilateral structure by support bar slip-knot interval, and described quadrilateral structure corner is connected with feet iron respectively by support bar slip-knot; Described crossbeam is provided with can the translator slider of coupling hook, and translator slider is provided with the bolt of fixed position; Described feet iron is connected with supporting construction; Described supporting construction comprises circular fixed block and floor installation dish one, and described circular fixed block is connected with floor installation dish one by the screw thread thick stick be welded on floor installation dish one, described threaded rod is interspersed with rotatable support disc; Described support disc is equipped with the support screw thread thick stick of band foot pad, floor installation dish one is connected and fixed by bolt and nut and floor installation dish two, and described floor installation dish two is by fixed pin and be connected and installed with roller.Described supporting construction also can for being equipped with the hydraulic pressure lifting device of roller.
Further improvement, described expansion link is hydraulically extensible bar or length adjustment bar group; Described length adjustment bar group comprises the length adjustment thick stick one, length adjustment thick stick two and the length adjustment thick stick three that are bolted.
Further improvement, described foot pad is connected with support screw thread thick stick by rotating nut.
Further improvement, described foot pad lower surface does impedance bundary.
Further improvement, described stand side crossbeam is provided with reinforcement net.
Further improvement, each crossbeam is provided with 2 translator slider.
Advantage of the present invention:
1, wheel is furnished with bottom stand, can movable stand at any time as required, and on wheel mount pad, be furnished with the support egative film of rotatable adjustment, coordinating can the support foot pad of up-down adjustment, the height that can realize whole stand regulates with fixing, and adapts to the height of Different Ground.
2, each runners of stand is all equipped with 2 can experimentally can need to be placed on the corner in laboratory or place by wall in place by 360 degree of support egative films rotated, and ensures the stability of whole stand.
3, gantry designs is adjustable-size, can according to the length of the size free adjustment expansion link of test parts, gantry beam is provided with transversely movable slide block hook, coordinates hoist crane, the modal test of the auto parts and components of different size Different Weight can be adapted to.
The present invention is when meeting mould measurement experiment use standard, cheap for manufacturing cost, dependable performance.This mould measurement stand can realize testing on various ground, the stability in testboard bay experimentation can be ensured by adjustable supporting, adjustable expansion link to coordinate on crossbeam and the slide block hook of movement can realize the installation of the auto parts and components to various different size, and what stand can realize overall dimensions reduces with conserve space, easy to use, safeguard simple.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, wherein:
Fig. 1 is testboard bay front elevational schematic;
Fig. 2 is testboard bay schematic top plan view;
Fig. 3 is that schematic diagram is looked on a testboard bay left side;
Fig. 4 is the front elevational schematic of testboard bay when packing up;
Fig. 5 is the schematic top plan view of testboard bay when packing up;
Fig. 6 is testboard bay lower support structure schematic diagram;
Fig. 7 is the front elevational schematic of testboard bay hook;
Fig. 8 is that schematic diagram is looked on a left side for testboard bay hook.
Wherein: 1. support bar slip-knot, 2. length adjustment thick stick one, 3. length adjustment thick stick two, 4. length adjustment thick stick three, 5. support angle bar, 6. crossbeam, 7. reinforcement net, 8. circular fixed block, 9. support screw thread thick stick, 10. rotatable support disc, 11. floor installation dishes one, 12. floor installation dish two, 13. rollers, 14. bolts, 15. translator slider, 16. hooks, 17. rotating nuts, 18. expansion links, 19. supporting constructions, 20. foots pad.
Embodiment:
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment 1
A kind of new automobile parts mould measurement stand as shown in Figures 1 to 8, comprise expansion link 18, crossbeam 6 and feet iron 5, described expansion link 18 is 2, crossbeam 6 is 2, feet iron 5 is 4, described expansion link 18 and crossbeam 6 are connected to form quadrilateral structure by support bar slip-knot 1 interval, and described quadrilateral structure corner is connected with feet iron 5 respectively by support bar slip-knot 1; Described crossbeam 6 is provided with can the translator slider 15 of coupling hook 16, and translator slider 15 is provided with the bolt 14 of fixed position; Described feet iron 5 is connected with supporting construction 19.Described supporting construction 19 comprises circular fixed block 8 and floor installation dish 1, and described circular fixed block 8 is connected with floor installation dish 1 by the screw thread thick stick be welded on floor installation dish 1, described threaded rod is interspersed with rotatable support disc 10; Described support disc 10 is equipped with the support screw thread thick stick 9 of band foot pad 20, floor installation dish 1 is connected and fixed by bolt and nut and floor installation dish 2 12, and described floor installation dish 2 12 is connected and installed with roller 13 by fixed pin.Described expansion link 18 is length adjustment bar group; Described length adjustment bar group comprises the length adjustment thick stick 1, length adjustment thick stick 23 and the length adjustment thick stick 34 that are bolted.Described foot pad 20 is connected with support screw thread thick stick 9 by rotating nut 17.Described foot pad 20 lower surface does impedance bundary.Described stand side crossbeam 6 is provided with reinforcement net 7.Each crossbeam 6 is provided with 2 translator slider 15.
Embodiment 2
A kind of new automobile parts mould measurement stand as shown in Figures 1 to 8 comprises expansion link 18, crossbeam 6 and feet iron 5, described expansion link 18 is 2, crossbeam 6 is 2, feet iron 5 is 4, described expansion link 18 and crossbeam 6 are connected to form quadrilateral structure by support bar slip-knot 1 interval, and described quadrilateral structure corner is connected with feet iron 5 respectively by support bar slip-knot 1; Described crossbeam 6 is provided with can the translator slider 15 of coupling hook 16, and translator slider 15 is provided with the bolt 14 of fixed position; Described feet iron 5 is connected with supporting construction 19.Described supporting construction 19 is the hydraulic pressure lifting device being equipped with roller.Described expansion link 18 is hydraulically extensible bar.Described foot pad 20 is connected with support screw thread thick stick 9 by rotating nut 17.Described foot pad 20 lower surface does impedance bundary.Described stand side crossbeam 6 is provided with reinforcement net 7.Each crossbeam 6 is provided with 2 translator slider 15.
In Fig. 1, support bar slip-knot 1 and length adjustment thick stick 1, crossbeam 6, support angle bar 5 and installed by bolt and be connected, the effect supporting whole stand can be played.Length adjustment thick stick 1, length adjustment thick stick 23 are bolted with length adjustment thick stick 34, can play the effect regulating length.
As shown in Figure 2, all the other two support bar slip-knot 1 symmetries are installed, and form a square metal stand, every root crossbeam 6 has two pieces of translator slider 15 above, can slide arbitrarily on the cross beam 6, adjusting position; Hook 16 is connected by fixed pin with translator slider 15, plays the effect of hanging measured object.
Shown in Fig. 3, stand side crossbeam is provided with reinforcement net 7, for the reinforcing of stand stiffness, also can be used for suspending sensor connect lines, avoids circuit to contact with test products, impact test effect.
Fig. 6 is stand lower support structure schematic diagram, and supporting construction upper part is connected by screw thread thick stick with whorl of base dish 1 by circular fixed block 8, and threaded rod is welded on whorl of base dish 1, and rotatable support disc 10 interts wherein, can rotate freely; The support screw thread thick stick 9 of band foot pad rotatable support disc 10 is equipped with, impedance bundary is done with the foot pad lower surface of dress on the support screw thread thick stick 9 of foot pad, the friction force with ground can be increased, and the support screw thread thick stick 9 with foot pad can realize height up and down by rotating nut 17, make foot pad touch ground, prevent the slippage of whole stand; Floor installation dish 1 and floor installation dish 2 12 are connected and fixed by bolt and nut, and roller 13 is by fixed pin and floor installation dish 2 12 connection.
What Fig. 7,8 was stand hook faces, schematic diagram is looked on a left side.Translator slider 15 can be slided on the cross beam 6, and carries out the fixing of position by bolt 14.Translator slider 15 is connected by fixed pin with hook 16 and hook 16 can angledly be rotated, convenient suspension testee or installation hoist crane.
The analysis of experiments of this mould measurement stand vehicle key assembly applicatory and parts Free Modal, comprises: motor car engine, variator, main reducing gear, car door, bonnet, case cover, wheel hub, skylight, transmission shaft and seat support etc.
To the mould measurement of the said goods, mainly in the form of a grid the Different Plane of testee is divided equally, by slide block hook, tested article are suspended on testboard bay, degree of will speed up sensor is arranged on to be tested by the grid of certain size distribution, the Data distribution8 situation on diverse location can be obtained, obtain the characteristics of mode of product and further analyze.
The auto parts and components that this stand can hang different size carry out Free Modal test, install, dismantle easy, can realize size and regulate arbitrarily.Stand has multidirectional and adjustable for height supporting foot pad, is applicable to and tests room floor arbitrarily, as plank, concrete floor, tile floor etc., and can adjust the integral level degree of stand, improves measuring accuracy and the stability of test.This stand can also realize size and reduce, conserve space.This horse structure simplicity of design, be easy to processing install and easy to use.
The above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determine.
Claims (6)
1. a new automobile parts mould measurement stand, comprise expansion link (18), crossbeam (6) and feet iron (5), it is characterized in that, described expansion link (18) is 2, crossbeam (6) is 2, feet iron (5) is 4, described expansion link (18) and crossbeam (6) are connected to form quadrilateral structure by support bar slip-knot (1) interval, and described quadrilateral structure corner is connected with feet iron (5) respectively by support bar slip-knot (1); Described crossbeam (6) is provided with can the translator slider (15) of coupling hook (16), and translator slider (15) is provided with the bolt (14) of fixed position and the fixed pin for coupling hook; Described feet iron (5) is connected with supporting construction (19); Described supporting construction (19) comprises circular fixed block (8) and floor installation dish one (11), described circular fixed block (8) is connected with floor installation dish one (11) by the screw thread thick stick be welded on floor installation dish one (11), described threaded rod is interspersed with rotatable support disc (10); The support screw thread thick stick (9) of band foot pad (20) described support disc (10) is equipped with, floor installation dish one (11) is connected and fixed by bolt and nut and floor installation dish two (12), and described floor installation dish two (12) is by fixed pin and be connected and installed with roller (13).
2. new automobile parts mould measurement stand as claimed in claim 1, it is characterized in that, described expansion link (18) is hydraulically extensible bar or length adjustment bar group; Described length adjustment bar group comprises the length adjustment thick stick one (2), length adjustment thick stick two (3) and the length adjustment thick stick three (4) that are bolted.
3. new automobile parts mould measurement stand as claimed in claim 1, is characterized in that, described foot pad (20) is connected with support screw thread thick stick (9) by rotating nut (17).
4. new automobile parts mould measurement stand as claimed in claim 1, it is characterized in that, described foot pad (20) lower surface does impedance bundary.
5. new automobile parts mould measurement stand as claimed in claim 1, it is characterized in that, described stand side crossbeam (6) is provided with reinforcement net (7).
6. new automobile parts mould measurement stand as claimed in claim 1, is characterized in that, each crossbeam (6) is provided with 2 translator slider (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078954.9A CN104677644B (en) | 2015-02-13 | 2015-02-13 | Novel automobile part modal test rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078954.9A CN104677644B (en) | 2015-02-13 | 2015-02-13 | Novel automobile part modal test rack |
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| CN104677644A true CN104677644A (en) | 2015-06-03 |
| CN104677644B CN104677644B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510078954.9A Active CN104677644B (en) | 2015-02-13 | 2015-02-13 | Novel automobile part modal test rack |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644521A (en) * | 2017-01-20 | 2017-05-10 | 东南（福建）汽车工业有限公司 | Adaptive type automobile air exhaust system test platform rack |
| CN107906312A (en) * | 2017-11-29 | 2018-04-13 | 重庆长安汽车股份有限公司 | A kind of erecting device for the test of automobile spectrogram parameter |
| CN107941529A (en) * | 2018-01-05 | 2018-04-20 | 南京航空航天大学 | Auto parts and components mould measurement platform |
| CN111823199A (en) * | 2020-07-06 | 2020-10-27 | 江苏核电有限公司 | Test bench for testing reliability of bolt stretcher and testing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644521A (en) * | 2017-01-20 | 2017-05-10 | 东南（福建）汽车工业有限公司 | Adaptive type automobile air exhaust system test platform rack |
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| CN107941529A (en) * | 2018-01-05 | 2018-04-20 | 南京航空航天大学 | Auto parts and components mould measurement platform |
| CN111823199A (en) * | 2020-07-06 | 2020-10-27 | 江苏核电有限公司 | Test bench for testing reliability of bolt stretcher and testing method thereof |
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| Publication number | Publication date |
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| CN104677644B (en) | 2017-05-03 |
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