CN103604595B - A kind of road roller steel wheel proving installation - Google Patents
A kind of road roller steel wheel proving installation Download PDFInfo
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- CN103604595B CN103604595B CN201310616626.0A CN201310616626A CN103604595B CN 103604595 B CN103604595 B CN 103604595B CN 201310616626 A CN201310616626 A CN 201310616626A CN 103604595 B CN103604595 B CN 103604595B
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- steel wheel
- loading frame
- proving installation
- road roller
- bearing
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Abstract
The invention discloses a kind of road roller steel wheel proving installation, comprising: test platform; When testing for supporting the fork pin of steel wheel, described fork pin is arranged on described test platform; Loading frame, described loading frame is provided with the first bearing, described loading frame is divided into first end and the second end by described first bearing, and the first end of described loading frame arranges the charger being used for loading acting force to it, and the second end of described loading frame is used for applying pressure to steel wheel; The second bearing be fixedly installed, described first bearing and described second bearing hinged.The invention provides and be a kind ofly exclusively used in device road roller steel wheel being carried out to reliability testing, the test assessment to steel wheel can be completed before overall test, have and can shorten the advantages such as R&D cycle, good operational environment, labour intensity is low.
Description
Technical field
The present invention relates generally to road surface construction machinery and Test And Check Technology field, specifically, relates to a kind of road roller steel wheel proving installation.
Background technology
Street roller is a kind of important road building machine, and steel wheel is its apparatus for work.Steel wheel acts at certain frequency and with certain amplitude and is pressed material, its compactness is improved constantly, reaches the compacting angle value of design, and then material can be made to have certain load-bearing capacity and resistance to overturning.And steel wheel is as the core component of street roller, generally out need to carry out harsh fail-test afterwards at R & D design, to expose its fault or defect, thus to improve for design and optimization provides test reference.
In prior art, general manufacturer does not all have special steel wheel testing table.Traditional way is after final assembly completes, and steel wheel carries out fail-test with street roller complete machine, and this test is generally carried out on scheduling and planning experiment table, does like this and mainly there is following drawback:
1) component test of steel wheel can not complete before whole aircraft reliability test, and extend the time of whole aircraft reliability test, the research and development of products cycle is forced to extend.
2) when whole aircraft reliability is tested, because complete machine oscillation is large, operating environment operating mode is severe, and workman is difficult to continuously in machine operation a few hours, and will ensure the accumulative test doing hundreds of hours, and the required test period is oversize.
3) because test labour intensity is large, operating personnel can not operate machines according to the parameter required by testing program completely, and test effect can be given a discount.
4) due to when overall test, by the restraining function of complete machine each several part, can only test by the intrinsic parameter of equipment, core assay parameter index can not be improved, cannot accelerated test, be thus difficult to shorten the test period, reduce overall testing expenses.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of pressing machine steel wheel proving installation, can solve the large defect of prior art sense cycle length, severe operational environment, labour intensity after final assembly or at least one of them.
Road roller steel wheel proving installation of the present invention, comprising:
Test platform;
When testing for supporting the fork pin of steel wheel, described fork pin is arranged on described test platform;
Loading frame, described loading frame is provided with the first bearing, described loading frame is divided into first end and the second end by described first bearing, and the first end of described loading frame arranges the charger being used for loading acting force to it, and the second end of described loading frame is used for applying pressure to steel wheel;
The second bearing be fixedly installed, described first bearing and described second bearing hinged.
Further, described charger is oil cylinder, the first end connection fixing base of described oil cylinder, and the second end of described oil cylinder connects described loading frame.
Further, described road roller steel wheel proving installation also comprises proportional pressure control valve, and the oil-in of described proportional pressure control valve connects the oil circuit entering described oil cylinder, and oil-out connects fuel tank.
Further, described charger is counterweight, and described counterweight is suspended in below described loading frame, or is installed with above described loading frame.
Further, described counterweight is formed by multiple module stack.
Further, described test platform comprises the base plate be flat on ground, be positioned at base above base plate, and described base is provided with general installation portion, and described installation portion removably installs the described fork pin of different size.
Further, damping block is provided with between described base plate and described base.
Further, the second end of described loading frame is provided with the first roller and second roller of the contact steel wheel side when testing, and the first roller described in during test is parallel with the axle center of the second roller and the axis of steel wheel.
Further, described first roller and the second roller are solid rubber tire.
Further, described road roller steel wheel proving installation also comprises hydraulic power unit, and described hydraulic power unit comprises oil pump, fuel tank and valve block, and during test, described oil pump connects the driving motors of steel wheel by the first pipeline, is connected the vibrating motor of steel wheel by the second pipeline.
The invention provides and be a kind ofly exclusively used in device road roller steel wheel being carried out to reliability testing, this device comprises fork pin, loading frame and charger, when testing, steel wheel is supported on fork pin, and apply vibration pressure by lever construction to steel wheel, thus can simulate assemble complete after structure and operating mode carry out reliability testing, for design improve and optimize reference is provided.
Compared with prior art, namely the present invention can carry out the test assessment of steel wheel before whole aircraft reliability test, completes the optimal design of steel wheel ahead of time, and then can shorten the R&D cycle.When testing steel wheel, workman only needs to set the parameters such as driving motors rotating speed, vibrating motor rotating speed and loading force aside, significantly improves experimental enviroment, reduces labour intensity.
In further technical scheme, the present invention, also by the adjustment of the automatic control realization parameter of controller, makes it test according to set test parameters index, thus can also the correct execution of warranty test scheme, improves the confidence level of test findings.In the conceived case, the present invention also can improve each test parameters index, shortens cycle, reduction expense by accelerated test.
In addition, the present invention can also configure the fork pin of different size, to be suitable for the large small click wheel of various model, has the advantage that versatility is good.Meanwhile, the present invention also have structure simple, load and unload the advantages such as easy, easy to maintenance, easy to implement.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the stereographic map of road roller steel wheel proving installation when testing of first embodiment of the invention;
Fig. 2 is front view embodiment illustrated in fig. 1;
Fig. 3 is the stereographic map of road roller steel wheel proving installation when testing of second embodiment of the invention.
Description of reference numerals:
Fork pin-1 loading frame-2
First bearing-21 second bearing-22
First roller-2a second roller-2b
Charger-3 fixed mount-4
Base-5 base plate-6
Damping block-7 steel wheel damping block-71
Hydraulic power unit-8 steel wheel-9
Driving motors-91 vibrating motor-92
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.In the present invention, term " first ", " second " are mainly used in distinguishing different parts, but specifically do not limit parts.
Be the structural representation of road roller steel wheel proving installation when testing of first embodiment of the invention shown in Fig. 1 and Fig. 2, wherein Fig. 1 is stereographic map, and Fig. 2 is front view.The road roller steel wheel proving installation of this first embodiment mainly comprises test platform, fork pin 1, loading frame 2, charger 3 and the first bearing 21 and the second bearing 22.
Fork pin 1 is for supporting steel wheel 9 when testing, and it can be arranged on test platform directly or indirectly.The fork structure of pin 1 and the structure matching of steel wheel 9, it can be provided with two, is supported in steel wheel about 9 two ends respectively, and fork pin 1 also can be other possibility quantity.Aforementioned test platform as the supporting base of whole proving installation, the base plate 6 that can be ground or be flat on ground, and the base 5 be positioned at above base plate 6 can be comprised.Further, in order to be applicable to the large small click wheel 9 of various model, base 5 is provided with general installation portion, installation portion removably installs the fork pin 1 of different size.For the fork pin 1 of different size, its part connecting steel wheel 9 is different, and the part connecting base 5 installation portion is universal architecture.Installation portion on base 5 can be as mounting hole or installation shaft etc.
Aforementioned loading frame 2 is provided with the first bearing 21, loading frame 2 is divided into first end and the second end by this first bearing 21, and the first end of loading frame 2 arranges the charger 3 being used for loading acting force to it, and the second end of loading frame 2 is used for applying pressure to steel wheel 9; Aforementioned first bearing 21 is hinged with the second bearing 22 be fixedly installed.Because pin joint is between the first end and the second end of loading frame 2, thus can form lever construction on the whole, principle that it is similar to " seesaw ", when first end loads acting force, the second end applies pressure to steel wheel 9.The direction of this pressure can face upward or downward, and also can be other possibility direction.Steel wheel 9 both can rotate when testing, and also can vibrate.This pressure can be used as the vibration pressure of steel wheel 9, operating mode during simulation road roller working.
This charger 3 can be multiple possible parts, applies to loading frame 2 technique effect that hydraulic coupling, mechanical force or gravity etc. all can realize invention.As an embodiment, this charger 3 is oil cylinder, the first end connection fixing base of oil cylinder, and the second end of oil cylinder connects loading frame 2.In the orientation shown in Fig. 1 and Fig. 2, when oil cylinder stretches out, the second end of loading frame 2 can apply pressure to steel wheel 9.
The acting force of oil cylinder regulates by various ways.Preferably, road roller steel wheel proving installation also comprises proportional pressure control valve, and the oil-in of this proportional pressure control valve connects the oil circuit entering oil cylinder, and oil-out connects fuel tank.The in-oil cylinder oil pressure of this proportional pressure control valve adjustable, and then can need to regulate steel wheel 9 applied pressure according to test.
As another embodiment, this charger 3 is counterweight, and this counterweight can be suspended in below loading frame 2, or is installed with above loading frame 2.This counterweight applies gravity to loading frame 2, and after the transmission of loading frame 2 and pin joint, this gravity can be converted into steel wheel 9 applied pressure.In order to loading requirements different during adequacy test, the preferably gravity adjustable of this counterweight.More specifically, this counterweight is formed by multiple module stack, and the module of varying number adds up and forms different gravity, and then reaches the object regulating this test parameters of vibration pressure.
Previous embodiment provides and is a kind ofly exclusively used in device road roller steel wheel being carried out to reliability testing, can simulate assemble complete after structure and operating mode carry out reliability testing, improving for design and optimize provides reference.Owing to namely carrying out the test assessment of steel wheel 9 before whole aircraft reliability test, complete the optimal design of steel wheel 9 ahead of time, thus can shorten the R&D cycle.In addition, workman only needs setup parameter at the trial, significantly improves experimental enviroment, reduces labour intensity.
Further, also comprise in the embodiment shown in Fig. 1 and Fig. 2 and be flat on ground base plate 6, between base plate 6 and base 5, be provided with damping block 7, alleviate vibration during test.This damping block 7 can arrange many groups, and can arrange in shearing or squash type.
Bottom plate 6 is fixed on firm ground by foot screw, and base 5 and damping block 7 can be arranged neatly on base plate 6.This base plate 6 can be arranged and organize mounting hole more, according to size and the width of tested steel wheel 9, the position of adjustment base 5 and damping block 7, and base 5 can be made to adapt to pitch the installation of pin 1.
Travels at fork pin 1 and steel wheel 9 and holds or the part such as vibration end, array steel wheel damping block 71 also can be set, reach the effect of secondary vibration damping, the vibration-proof structure of this part and steel wheel structure complete consistent with during final assembly, to obtain consistent effect.
Second end of loading frame 2 directly can contact with steel wheel 9, preferably the second end of loading frame 2 is provided with the first roller 2a and the second roller 2b of contact steel wheel 9 side when testing, and during test, the first roller 2a is parallel with the axis of steel wheel 9 with the axle center of the second roller 2b.When testing, steel wheel 9 rotates under driving motors 91 drives, the first roller 2a and the second roller 2b and steel wheel 9 tangent, and to rotate along with the rotation of steel wheel 9.
First roller 2a and the second roller 2b can be metal material, and preferably it is solid rubber tire, solid rubber tire compressive deformation, and the moment keep with steel wheel 9 between against.During test, solid rubber tire applies an external force to steel wheel 9, makes the vibration of steel wheel 9 become forced vibration.By adjusting the amount of force of charger 3, the vibration pressure of steel wheel 9 can be made to reach the value of test setting.
It should be noted that, steel wheel 9 is provided with driving motors 91 and vibrating motor 92, in order to ensure the work of each motor, the hydraulic system that street roller carries can be adopted.Preferred road roller steel wheel proving installation is provided with independently hydraulic power unit 8, be exclusively used in and use when testing, hydraulic power unit 8 comprises oil pump, fuel tank and valve block, and during test, oil pump connects the driving motors 91 of steel wheel 9 by the first pipeline, is connected the vibrating motor 92 of steel wheel 9 by the second pipeline.When charger 3 is chosen as oil cylinder, oil pump also connects this oil cylinder by the 3rd pipeline.
Each pipeline can arrange solenoid valve, each solenoid valve connection control device, driving motors rotating speed, vibrating motor rotating speed and the isoparametric setting of loading force can be realized by controller, it is made to test according to set test parameters index, thus can the correct execution of warranty test scheme, improve the confidence level of test findings.In the conceived case, also can improve each test parameters index, shorten cycle, reduction expense by accelerated test.
In the first embodiment shown in Fig. 1 and Fig. 2, loading frame 2 is positioned at above steel wheel 9, to the pressure that steel wheel 9 applies down.Figure 3 shows that the stereographic map of the road roller steel wheel proving installation of second embodiment of the invention when testing.With the first embodiment unlike, the loading frame 2 of the second embodiment is positioned at below steel wheel 9, to the pressure that steel wheel 9 applies upward.The structure of the other parts of the second embodiment with reference to aforementioned explanation, can not repeat them here herein.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a road roller steel wheel proving installation, is characterized in that, comprising:
Test platform;
When testing for supporting the fork pin (1) of steel wheel (9), described fork pin (1) is arranged on described test platform;
Described test platform comprises the base plate (6) be flat on ground, is positioned at the base (5) of base plate (6) top, (5) are provided with general installation portion to described base, and described installation portion removably installs the described fork pin (1) of different size;
Loading frame (2), described loading frame (2) is provided with the first bearing (21), described loading frame (2) is divided into first end and the second end by described first bearing (21), the first end of described loading frame (2) arranges the charger (3) being used for loading acting force to it, and the second end of described loading frame (2) is used for applying pressure to steel wheel (9);
The second bearing (22) be fixedly installed, described first bearing (21) and described second bearing (22) hinged.
2. road roller steel wheel proving installation according to claim 1, is characterized in that, described charger (3) is oil cylinder, the first end connection fixing base of described oil cylinder, and the second end of described oil cylinder connects described loading frame (2).
3. road roller steel wheel proving installation according to claim 2, is characterized in that, also comprise proportional pressure control valve, and the oil-in of described proportional pressure control valve connects the oil circuit entering described oil cylinder, and oil-out connects fuel tank.
4. road roller steel wheel proving installation according to claim 1, it is characterized in that, described charger (3) is counterweight, and described counterweight is suspended in described loading frame (2) below, or is installed with in described loading frame (2) top.
5. road roller steel wheel proving installation according to claim 4, is characterized in that, described counterweight is formed by multiple module stack.
6. the road roller steel wheel proving installation according to any one of claim 1-5, is characterized in that, is provided with damping block (7) between described base plate (6) and described base (5).
7. the road roller steel wheel proving installation according to any one of claim 1-5, it is characterized in that, second end of described loading frame (2) is provided with the first roller (2a) and second roller (2b) of contact steel wheel (9) side when testing, and the first roller (2a) described in during test is parallel with the axis of steel wheel (9) with the axle center of the second roller (2b).
8. road roller steel wheel proving installation according to claim 7, is characterized in that, described first roller (2a) and the second roller (2b) are solid rubber tire.
9. the road roller steel wheel proving installation according to any one of claim 1-5, it is characterized in that, also comprise hydraulic power unit (8), described hydraulic power unit (8) comprises oil pump, fuel tank and valve block, during test, described oil pump connects the driving motors (91) of steel wheel (9) by the first pipeline, is connected the vibrating motor (92) of steel wheel (9) by the second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616626.0A CN103604595B (en) | 2013-11-27 | 2013-11-27 | A kind of road roller steel wheel proving installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616626.0A CN103604595B (en) | 2013-11-27 | 2013-11-27 | A kind of road roller steel wheel proving installation |
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| Publication Number | Publication Date |
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| CN103604595A CN103604595A (en) | 2014-02-26 |
| CN103604595B true CN103604595B (en) | 2016-03-23 |
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| CN201310616626.0A Expired - Fee Related CN103604595B (en) | 2013-11-27 | 2013-11-27 | A kind of road roller steel wheel proving installation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215441B (en) * | 2014-08-22 | 2017-06-13 | 上海交通大学 | A kind of vertical rotor dynamic radial load maintainer and stability test scheme |
| CN104280231B (en) * | 2014-09-29 | 2017-07-14 | 广州日滨科技发展有限公司 | Door change gear life test apparatus |
| CN105672099A (en) * | 2015-12-18 | 2016-06-15 | 湖南三一路面机械有限公司 | Road roller and fork foot side board thereof |
| CN114001995A (en) * | 2021-12-06 | 2022-02-01 | 长安大学 | Novel vibration steel wheel performance test device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312636A1 (en) * | 1992-05-07 | 1993-11-11 | Seppeler Stiftung Fuer Flug Un | Vehicle brake test bed - has first roller for generating pulses related to wheel rotation and second roller for wheel presence and slip control at opposite ends of rocker arm which is mounted on pivoted lever. |
| CN101236148A (en) * | 2008-03-06 | 2008-08-06 | 上海交通大学 | Rotary bending fatigue tester |
| CN102680339A (en) * | 2011-12-23 | 2012-09-19 | 河南科技大学 | Rolling fretting wear testing device |
| CN102998188A (en) * | 2012-12-13 | 2013-03-27 | 济南沃德汽车零部件有限公司 | Lever-type semi-automatic valve rotation bending tester |
-
2013
- 2013-11-27 CN CN201310616626.0A patent/CN103604595B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4312636A1 (en) * | 1992-05-07 | 1993-11-11 | Seppeler Stiftung Fuer Flug Un | Vehicle brake test bed - has first roller for generating pulses related to wheel rotation and second roller for wheel presence and slip control at opposite ends of rocker arm which is mounted on pivoted lever. |
| CN101236148A (en) * | 2008-03-06 | 2008-08-06 | 上海交通大学 | Rotary bending fatigue tester |
| CN102680339A (en) * | 2011-12-23 | 2012-09-19 | 河南科技大学 | Rolling fretting wear testing device |
| CN102998188A (en) * | 2012-12-13 | 2013-03-27 | 济南沃德汽车零部件有限公司 | Lever-type semi-automatic valve rotation bending tester |
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| CN103604595A (en) | 2014-02-26 |
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Granted publication date: 20160323 Termination date: 20171127 |