CN209311104U - Test the reliability test system of wheel - Google Patents
Test the reliability test system of wheel Download PDFInfo
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- CN209311104U CN209311104U CN201822220972.8U CN201822220972U CN209311104U CN 209311104 U CN209311104 U CN 209311104U CN 201822220972 U CN201822220972 U CN 201822220972U CN 209311104 U CN209311104 U CN 209311104U
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Abstract
The utility model discloses a kind of reliability test systems of test wheel.Reliability test system includes test platform, test wheel support component and axial load loading unit, test wheel support component is set on test platform and places including being used to support the support base of test wheel, and axial load loading unit is by loading the axial load being arranged along the axial direction of test wheel to support base axial load is transferred to test wheel.The reliability test system of the utility model realizes the simulation loading of the axial load to test wheel by setting axial load loading unit, the application effect of its axial load carries out the test for more comprehensively and more meeting actual condition to test wheel closer to actual forced status, to realize.
Description
Technical field
The utility model relates to experimental rig technical field, in particular to a kind of reliability test system of test wheel.
Background technique
Thrust wheel, guide wheel, key components of the support sprocket wheel as four-wheel one with system, play support complete vehicle weight and
Transmit the effect of load.Thrust wheel, guide wheel, the sealing technique of support sprocket wheel and wear-resisting property are always to study in current industry
Hot spot and difficulties, in practice, the typical fault modes of three kinds of support wheels are that wheel body oil leak, wheel body are worn, and crash rate compared with
It is high.After such as thrust wheel fails certain a part, system will cause chain reaction, cause to occur in other component short time
Damage.Therefore, performance and Reliability Check are carried out to thrust wheel, guide wheel, support sprocket wheel, it is determined whether meet design requirement, it can
Has higher reliability level to guarantee within the machine life period four-wheel one with system.Currently, the country there is no simulation practical
Thrust wheel, guide wheel and the fatigue test board system for holding in the palm sprocket wheel of operating condition.
Utility model content
The purpose of this utility model is to provide a kind of reliability test systems of test wheel, are carried out with realizing to test wheel
More comprehensively and more meet the test of actual condition.
The utility model provides a kind of reliability test system of test wheel, and test wheel includes four-wheel one with the branch in system
Roller or guide wheel or support sprocket wheel, reliability test system include:
Test platform；
Test wheel support component, is set on test platform and places including being used to support the support base of test wheel；And
Axial load loading unit, by support base load along test wheel axial direction be arranged axial load with incite somebody to action
Axial load is transferred to test wheel.
In some embodiments, test wheel support component further includes pedestal and is set to leading between pedestal and support base
To seat, guide holder is for making support base when by axial load axially movable to discharge axial freedom.
In some embodiments, guide holder includes spaced multiple rollers, the axis of each roller in multiple rollers
It is vertical with the axial direction of test wheel to direction.
In some embodiments, axial load loading unit include the first fixing seat for being fixedly installed on test platform with
And the first loading device connecting with the first fixing seat, the effect end of the first loading device act on support base.
In some embodiments, axial load loading unit further includes ball hinge, and one end of the first loading device passes through ball
Free bearing is connected in the first fixing seat, and the other end formation of the first loading device acts on end.
In some embodiments, axial load loading unit further includes the first buffer unit, the effect of the first loading device
End is acted on support base by the first buffer unit.
In some embodiments, support base has multiple mounting portions in different location, the effect of the first loading device
Hold the loading position that axial load is adjusted on a mounting portion being alternatively installed in multiple mounting portions.
In some embodiments, axial load loading unit applies the loading position of axial load adjustably to support base
Setting.
In some embodiments, reliability test system further includes driving base wheel, and driving base wheel is set to the diameter of test wheel
It is contacted outward and under the action of axial load with test wheel.
In some embodiments, driving base wheel includes base wheel wheel body and the Chain Link group that is set on the wheel face of base wheel wheel body
Part, test wheel are contacted with the cooperation of Chain Link component.
In some embodiments, Chain Link component includes the multiple group of bumps being circumferentially sequentially distributed along the wheel face of base wheel wheel body
Part, convex block component include mounting plate and spaced two arc bumps on a mounting board.
In some embodiments, reliability test system further includes spin load loading unit, spin load loading unit
Including the second fixing seat and the second loading device, the driving driving base wheel rotation of the second loading device.
In some embodiments, reliability test system further include be set to spin load loading unit and driving base wheel it
Between transmission device.
In some embodiments, reliability test system further includes ventilation device, and ventilation device is used for test wheel and drives
The contact surface of dynamic base wheel exports cold wind.
In some embodiments, reliability test system further includes setting being coupled with ventilation device and for detecting contact surface
Temperature temperature sensor, when the temperature of contact surface be greater than set temperature when, ventilation device export cold wind.
In some embodiments, reliability test system includes the two tests wheel for being symmetrically disposed on the two sides of driving base wheel
Support component, driving base wheel are contacted with the two tests wheel being respectively placed in two test wheel support components simultaneously.
In some embodiments, two test wheel be thrust wheel, guide wheel, support sprocket wheel in identical test wheel；Alternatively, two
A wheel of testing is thrust wheel, guide wheel, the different tests wheel held in the palm in sprocket wheel.
In some embodiments, reliability test system further includes radial load loading unit, radial load loading unit
By to support base load along test wheel radial direction be arranged radial load with by radial load transfer to test wheel.
In some embodiments, radial load loading unit includes third fixing seat, third loading device and is set to
The second buffer unit between third fixing seat and third loading device, the effect end of third loading device act on test wheel
On.
In some embodiments, test wheel support component further includes connection frame, connection frame and the connection of test wheel and radial load
Lotus loading unit by connection frame by radial load transfer to test wheel.
In some embodiments, test wheel support component includes the connection frame of multiple and different structures, multiple and different structures
Connection frame is adapted with the structure of test wheel, and connection frame is removably arranged relative to support base.
In some embodiments, support base has the slideway extended in a radial direction, and test wheel is removable relative to slideway
Ground is arranged to discharge radial freedom degree.
In some embodiments, reliability test system is horizontal type structure or vertical structure.
Based on technical solution provided by the utility model, reliability test system includes test platform, test wheel support group
Part and axial load loading unit, test wheel support component are set on test platform and place test wheel including being used to support
Support base, axial load loading unit by support base load along test wheel axial direction be arranged axial load with incite somebody to action
Axial load is transferred to test wheel.The reliability test system of the utility model passes through setting axial load loading unit realization pair
The simulation loading of the axial load of wheel is tested, the application effect of axial load is closer to actual forced status, thus realization pair
Test wheel carries out the test for more comprehensively and more meeting actual condition.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the stereochemical structure signal of an angle of the reliability test system of the test wheel of the utility model embodiment
Figure；
Fig. 2 is the overlooking structure diagram of another angle of reliability test system shown in FIG. 1；
Fig. 3 is the side structure schematic view of reliability test system shown in FIG. 1；
Fig. 4 is the schematic perspective view of the driving base wheel in Fig. 1；
Fig. 5 is the structural schematic diagram of the convex block component in Fig. 4；
Fig. 6 is the cooperation schematic diagram between the axial load loading unit in Fig. 1 and test wheel support component；
Fig. 7 is the structural schematic diagram of the test wheel support component in Fig. 6；
Fig. 8 is the structural schematic diagram of the support base in Fig. 7；
Fig. 9 is the structural schematic diagram of the guide holder in Fig. 7；
Figure 10 is the structural schematic diagram of the reliability test system of another embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The reliability test system of the test wheel of the utility model embodiment, which is used to take turns test, carries out reliability test,
Middle test wheel can be four-wheel one with the thrust wheel or guide wheel or support sprocket wheel in system.
In the following description, axial direction and radial direction refer to axial direction and the radial direction side of test wheel itself
To.
As shown in Figure 1 to Figure 3, the reliability test system of the test wheel of the utility model embodiment includes:
Test platform 9；
Test wheel support component 8 is set on test platform 9 and places including being used to support the support base 83 of test wheel W；
And
Axial load loading unit 2, by loading the axial load being arranged along the axial direction of test wheel W to support base 83
Axial load is transferred to test wheel W.
The reliability test system of the utility model embodiment is realized by setting axial load loading unit 2 and is taken turns to test
The simulation loading of the axial load of W, the application effect of axial load take turns test to realize closer to actual forced status
Carry out the test for more comprehensively and more meeting actual condition.
As shown in fig. 7, the test wheel support component 8 of the present embodiment further includes pedestal 81 and is set to pedestal 81 and supports
Guide holder 82 between seat 83, guide holder 82 is for keeping support base 83 axial to discharge axially movable when by axial load
Freedom degree.
Specifically in the present embodiment, as shown in figure 9, guide holder 82 includes spaced multiple rollers 822, multiple rollers
The axial direction of each roller 822 in 822 is vertical with the axial direction of test wheel.Support base 83 is set to multiple rollers 822
Top, can be moved along multiple rollers 822 when support base 83 is under the action of by axial load to realize it is axially free
The release of degree.
As shown in Figure 1, the axial load loading unit 2 of the present embodiment includes first be fixedly installed on test platform 9
Fixing seat 21 and the first loading device 24 connecting with the first fixing seat 21, the effect end of the first loading device 24 act on branch
It supports on seat 83.
Specifically, the first loading device 24 can be cylinder system.It is also possible to motor driven loading device, such as
First loading device 24 is the drive load device that motor is combined with lead screw.
When the first loading device 24 is cylinder system, in order to eliminate because being displaced the influence generated to oil cylinder, this reality
The axial load loading unit 2 for applying example further includes the first ball hinge 22, and one end of the first loading device 24 passes through the first ball hinge
22 are connected in the first fixing seat 21, and the other end formation of the first loading device 24 acts on end.
It is acted on to reduce operational shock to the real-time impact of axial load loading unit 2, the axial load of the present embodiment
Loading unit 2 further includes the first buffer unit 23, and the effect end of the first loading device 24 is acted on by the first buffer unit 23
On support base 83.
In order to improve the present embodiment pilot system applicability, the axial load loading unit 2 of the present embodiment is to support
The loading position that seat 83 applies axial load is adjustably arranged.
As shown in fig. 6, the support base 83 of the present embodiment has multiple mounting portions in different location, the first loading device
The loading position of axial load is adjusted on the mounting portion that 24 effect end is alternatively installed in multiple mounting portions.
Specifically, two row mounting holes are arranged in the both side plate of support base 83, and every row mounting hole is radially arranged.First adds
Carry and set 24 effect end and be installed on corresponding mounting hole by the first buffer unit 23, when need to adjust axial load plus
When carrying position, the first buffer unit 23 can be installed on different mounting holes.
As shown in Figures 1 to 3, the reliability test system of the present embodiment further includes driving base wheel 7, and driving base wheel 7 is set to
The radial outside of test wheel W simultaneously contacts under the action of axial load with test wheel W.
Specifically, as shown in figure 4, the driving base wheel 7 of the present embodiment includes base wheel wheel body 71 and is set to base wheel wheel body 71
Wheel face on Chain Link component, test wheel W and Chain Link component, which cooperate, to be contacted.The present embodiment is on the wheel face of base wheel wheel body 71
Practical contact condition when Chain Link component is arranged to simulate actual motion between test wheel and Chain Link is to simulate shock effect.
As shown in Figure 4 and Figure 5, the Chain Link component of the present embodiment includes circumferentially being sequentially distributed along the wheel face of base wheel wheel body 71
Multiple convex block components 72, convex block component 72 include mounting plate 721 and spaced two arc bumps on mounting plate 721
722.Spacing and Chain Link actual size one between two arc bumps 722 show the gap for copying two Chain Links.
The monoblock cast of convex block component or forging of the present embodiment, width, length, spacing and Chain Link actual size one
It causes.And the convex block component of the present embodiment is detachably connected relative to base wheel wheel body 71.
Specifically, as shown in figure 5, through-hole is arranged on mounting plate 721, match with the surface threaded hole of base wheel wheel body 71 and merge use
Bolt is connected.Convex block component can be replaced according to abrasion condition in actual use.
As depicted in figs. 1 and 2, reliability test system further includes spin load loading unit 3, spin load loading unit
3 include the second fixing seat 31 and the second loading device 32, and the second loading device 32 drives driving base wheel 7 to rotate.Second load dress
Setting 32 can be hydraulic loading device, be also possible to motor driven loading device.
Specifically in the present embodiment, the second loading device 32 is hydraulic motor.
The reliability test system of the present embodiment further includes being set between spin load loading unit 3 and driving base wheel 7
Transmission device 4.
Transmission device 4 includes the first transmission shaft 41, first flange 42, cylinder roller bearing 43, second flange 45 and the
Two transmission shafts 44.And the reliability test system of the present embodiment further includes being set on the output end of spin load loading unit 3
Torque speed sensor.That is the second driving shaft 44 of the present embodiment is supported by cylinder roller bearing 43, and one end is logical
It crosses first flange 42 to connect with the first transmission shaft 41, the other end is connect and final by second flange 45 with torque speed sensor
It is connected on the output end of spin load loading unit 3.Wherein, torque speed sensor monitors spin load loading unit in real time
3 output torque and revolving speed.
As shown in Figure 1, tapered roller bearing seat, each circular cone rolling are installed in the two sides of the driving base wheel 7 of the present embodiment respectively
Two double row tapered roller bearings are installed inside sub- bearing block, bearing uses positive mounting means, it both can support the first transmission shaft 41,
Axial load can be born again.
First transmission shaft 41 matches connection with the axis hole keyway of driving base wheel 7.The shaft shoulder is arranged in the side of first transmission shaft 41,
It is in close contact with the side wall of driving base wheel 7, when an axial load is applied, axial load is transferred to the shaft shoulder and then is transferred to two sides
Double row tapered roller bearing is simultaneously ultimately applied on bearing block.
Since the contact surface of test wheel W and the contact surface of driving base wheel 7 of the present embodiment contact with each other in the process of running
It can generate heat, overheat in order to prevent, the reliability test system of the present embodiment further includes ventilation device, and ventilation device is used for test
It takes turns W and the contact surface of base wheel 7 is driven to export cold wind.
As shown in Figure 1, the ventilation device of the present embodiment includes air blower 6, the air hose connecting with air blower 6 and air hose frame
5.Air hose frame 5 is set to the top of driving base wheel 7 and connect with support base 83.The output end of air hose extend to driving base wheel 7 with
Between the contact surface of test wheel W.
The reliability test system of the present embodiment further includes that setting and the temperature for detecting contact surface are coupled with ventilation device
The temperature sensor of degree, when the temperature of contact surface is greater than set temperature, ventilation device exports cold wind.
As shown in Figure 1 to Figure 3, the reliability test system of the present embodiment includes the two sides for being symmetrically disposed on driving base wheel 7
Two tests take turns support component 8, driving base wheel 7 simultaneously be respectively placed in two test wheel support components 8 in two examination
Test wheel contact.
Wherein, above-mentioned two test is taken turns and can be thrust wheel, guide wheel, holds in the palm the identical test wheel in sprocket wheel.Two tests
It takes turns and is also possible to thrust wheel, guide wheel, holds in the palm the different tests wheel in sprocket wheel.For example, two test wheels can all be thrust wheel,
It can be thrust wheel with one, the other is guide wheel.
The reliability test system of the present embodiment further includes radial load loading unit 1, and radial load loading unit 1 passes through
The radial load being arranged along the radial direction for testing wheel W is loaded to support base 83 radial load transfer to test is taken turns W.
The radial load loading unit 1 of the present embodiment includes third mounting base 11, the second ball hinge 12, the second buffer unit
13 and third loading device 14.
The test of double test wheels had both may be implemented in the reliability test system of the present embodiment, and single test wheel also may be implemented
Test.It when double tests are taken turns and tested, is the synchronous load of two side load of symmetrical centre using transmission device, therefore transmission device is subject to
Radial load is cancelled out each other, and is solely subjected to Axial Loads to extend the service life of transmission shaft.Carrying out single test wheel
When test, it is only necessary to which double test wheel being quickly converted to single test wheel can be realized in side discharge.
As shown in Figure 6 and Figure 7, the test wheel support component 8 of the present embodiment further includes connection frame 84, connection frame 84 and test
It takes turns W connection and radial load transfer is extremely tested by connection frame 84 and takes turns W by radial load loading unit 1.
In order to realize the reliability test to a variety of different tests wheels to improve the reliability test system of the present embodiment
The test wheel support component 8 of the scope of application, the present embodiment includes multiple and different structures and replaceable connection frame 84, multiple and different
The connection frame 84 of structure is adapted with the structure of test wheel W.Specifically, the connection frame 84 of multiple and different structures and test take turns W's
Connecting portion is different.Therefore the only company of needing replacing when the pilot system using the present embodiment tests different test wheels
Connect frame 84.
As shown in figure 8, the support base 83 of the present embodiment has the slideway extended in a radial direction, test wheel W is relative to cunning
Road is movably disposed to discharge radial freedom degree.
The reliability test system of the present embodiment is horizontal type structure.
Below according to Fig. 1 to Fig. 9 to the structure of the reliability test system of the utility model embodiment and the course of work into
Row is described in detail.
As shown in Figure 1 to Figure 3, the utility model embodiment test wheel reliability test system include test platform 9,
Driving base wheel 7, the test wheel support component 8 for being respectively arranged at the radially opposite sides for driving base wheel 7, radial load loading unit 1, axis
To load loading unit 2 and spin load loading unit 3.
The test platform 9 of the present embodiment is insertion ground type cast iron platform, to guarantee the intensity requirement of system entirety.Axis
It include the first fixing seat 21, the first ball hinge 22, the first buffer unit 23 and the first loading device 24 to load loading unit 2.
Spin load loading unit 3 includes the second fixing seat 31 and the second loading device 32.Radial load loading unit 1 is solid including third
Reservation 11, the second ball hinge 12, the second buffer unit 13 and third loading device 14.
The fixing seat of above each loading unit passes through high-strength bolt and is fixed on cast iron platform.And it is above each plus
The loading device of carrier unit can realize by hydraulic-driven loading form, can also be by motor driven loading device come real
It is existing.The attached drawing of the present embodiment is shown by hydraulic-driven loading form come in a manner of realizing.
The reliability test system of the present embodiment further includes being set between rotation drive load unit 3 and driving base wheel 7
Transmission device 4.The spin load loading unit 3 of the present embodiment makes that base wheel 7 is driven to rotate by transmission device 4.Transmission dress
Setting 4 includes the first transmission shaft 41, first flange 42, cylinder roller bearing 43, second flange 45 and second driving shaft 44.And it drives
The two sides of base wheel 7 are also respectively provided with double row tapered roller bearing.
Specifically, the first transmission shaft 41 is flat key type transmission shaft, and 180 ° of key are arranged symmetrically the axis hole keyway with driving base wheel 7
Matching connection.The side setting shaft shoulder of first transmission shaft 41 and the side wall close contact for driving base wheel 7, when axial load load is single
When member 2 applies axial load to test wheel W, axial load is transferred to the shaft shoulder, and then is transferred to the double-row conical axis of two sides
It holds and is ultimately applied on bearing block.
As shown in Figure 4 and Figure 5, the driving base wheel 7 of the present embodiment includes base wheel wheel body 71 and is set to base wheel wheel body 71
On wheel face and the multiple convex block components 72 circumferentially distributed along wheel face.Convex block component 72 is including mounting plate 721 and on mounting plate 721
Spaced two arc bumps 722.722 face width of arc bump, length, spacing and the Chain Link of the convex block component 72
Actual size is consistent, copies the joint gap of two Chain Links to be designed the gap between two convex block components 72 to mould
Shock effect when quasi- actual motion between test wheel and Chain Link.
And it drives and takes turns W with test under the material, heat treatment mode and actual condition of the convex block component 722 on the surface of base wheel 7
The Chain Link being mutually matched is consistent.
As shown in figure 5, the threaded hole cooperation blending bolt on three exhausting holes and 71 surface of base wheel wheel body is arranged on mounting plate 721
It is connected.Convex block component 72 is regularly replaced according to abrasion condition in actual use.
Non-contact temperature sensor is respectively set at the test wheel W and driving base wheel 7 of the present embodiment, to monitor wheel body
The temperature rise generated by abrasion.
And the pilot system of the present embodiment further includes ventilation device.It is attached that the air blower 6 of ventilation device is installed on testing stand
Closely, ventilation duct is installed on air hose frame 5, and cold wind is transported on the wheel contact level of two sides.
As shown in fig. 7, the test wheel support component 8 of the present embodiment includes pedestal 81, guide holder 82, support base 83 and connects
Connect frame 84.Connection frame 84 is connect with test wheel W.Radial load is loaded on examination by connection frame 84 by radial load loading unit 1
It tests on wheel W.
As shown in figure 8, the support base 83 of the present embodiment is hollow structure and uses integral solder form.It is internal by adopting
It is welded to form slideway P with steel plate, the surface slideway P uses Wear-resistant, high-temperature resistant material-paving, prevents from connecing because of the bring that works long hours
Touch ablation.And two row mounting holes are respectively provided on the both side plate of support base 83, therefore can apply according to axial load and require arbitrarily
Adjust the installation site of axial load loading unit 2.
Test wheel W is placed in support base 83 by connection frame 84.And connection frame 84 is single by bolt and radial load load
Member 2 connects.For test wheel W when by Radial Loads, the release of radial freedom degree is may be implemented in the setting of slideway P.
As shown in figure 9, the guide holder 82 of the present embodiment includes guiding mounting base 821 and is set in guiding mounting base 821
Multiple rollers 822.Support base 83 is set to the top of multiple rollers 822, and support base 83 is under the action of by axial load
When can move to realize the release of axial freedom along multiple rollers 822.Axial load is transferred to examination by support base 83
It tests on wheel W.Test wheel W body surfaces wheel rim contacts under Axial Loads with the side wall of the convex block on 7 wheel face of base wheel is driven
Steering or tilt rows time wheel edge abrasion condition in analog actual condition, while can realize axial limit.
To prevent in actual motion because tangential force bring is tumbled trend, using multiple between support base 83 and pedestal 81
Limited block 85 carries out protection connection.85 upper end of limited block and 83 bottom plate upper end of support base are in clearance fit, and lower part is solid by bolt
Due on pedestal 81.Such setting can not only guarantee safety but also releasable axial constraint.
The course of work of the pilot system of the present embodiment is as follows:
Spin load loading unit 3 is started with a certain lower revolving speed, and driving base wheel 7 is driven to make low speed uniform rotation, when
After system smooth running, the radial load loading unit 1 of two sides starts Slow loading, pushes test wheel W to exist by connection frame 84
It is slided in the slideway of support base 83, until test wheel W and driving base wheel 7 completely attach to and be finally reached target radial load.And
And the control strategy of the radial load loading unit 1 of two sides is consistent.Control system changes real according to the stress of driving base wheel 7
When adjust the output torque of spin load loading unit 3, guarantee driving base wheel 7 always with the operation of at the uniform velocity state until radial load
Reach requirement.This process tests radial load (for thrust wheel diameter that wheel W is subject to simulate vehicle in actual work
To load be vertical direction load, for guide wheel the radial load be tensile load, for hold in the palm the sprocket wheel radial load
For chain rail tangential force load).The radial load loading unit 1 and axial load loading unit 2 of the present embodiment include buffering dress
It sets, is endangered because of operational shock to loading unit bring vibratory impulse to reduce.
After radial load application finishes and system runs smoothly, axial load loading unit 1 is tactful simultaneously according to load
Slowly pressurization pushes support base 83 to be axially moved along roller, and moves together with dynamic test wheel W, the wheel body wheel rim of test wheel W with
The convex block component 722 of base wheel 7 is driven to cooperate.When displacement continues to increase, the wheel body wheel rim and convex block component of test wheel W
722 side wall is contacted and is fitted closely to simulate complete machine steering or tilt rows time wheel edge abrasion condition under actual condition.Axis
Driving base wheel 7 is transferred to by test wheel W to load, the shaft shoulder through the first transmission shaft 41 is finally transmitted to double-row conical axis
It holds.Non-contact temperature sensor is respectively set at test wheel W and driving base wheel 7, when body surfaces temperature is greater than the set value
When, enabling signal is transferred to air blower 6 by control system, and air blower 6 exports cold wind, and cold wind is output to two side wheels by ventilation duct
Body contact surface realizes temperature automatic control.
As shown in Figure 10, the reliability test system of another embodiment is vertical structure.The reliability test of the embodiment
System includes test platform 9, the portal frame being set on test platform 9 15, the radial load load being set in portal frame 15
Unit 1, test wheel W, axial load loading unit 2, driving base wheel 7 and spin load loading unit 3.The embodiment it is reliable
Property pilot system further include the support column 16 being vertically arranged, support column 16 have groove.Drive base wheel 7, spin load load single
The connecting plate 18 of member 3 and two sides forms overall structure, and connecting plate 18 be placed in the groove of the support column of two sides so that
Overall structure can be slided up and down along groove.The bottom of base wheel 7 is driven to support by two fixed support wheels 17.In test,
Overall structure moves up and down along groove in the vertical direction under the action of radial load loading unit 1.
The reliability test system of the utility model embodiment can be common to excavator, crawler crane, paver etc.
In all performances and reliability test with thrust wheel, guide wheel and support sprocket wheel.
To sum up, the reliability test system of the utility model embodiment at least has the following technical effect that
The reliability test system of the present embodiment realizes spin load, radial load and the axial load to test wheel
While load more to meet the transmission path of actual condition.
The reliability test system of the present embodiment can be completely general in thrust wheel, guidance under the premise of only replacing connection frame
The test of wheel and support sprocket wheel, range of applicability are wider.
The reliability test system of the present embodiment is used for analog chain by installing on the base wheel body surfaces of driving base wheel
The convex block component of rail section is to realize the simulation to practical Wheel Rail Contact, the practical contact condition of true reduction test wheel.
The reliability test system of the present embodiment can both carry out double test wheel tests, can also carry out list and test wheel examination
It tests.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (23)
1. a kind of reliability test system of test wheel, the test wheel include four-wheel one with the thrust wheel or guide wheel in system
Or support sprocket wheel, which is characterized in that the reliability test system includes:
Test platform (9)；
Test wheel support component (8) is set on the test platform (9) and places the test wheel (W) including being used to support
Support base (83)；And
Axial load loading unit (2) is arranged by the axial direction to the support base (83) load along the test wheel (W)
Axial load the axial load is transferred to test wheel (W).
2. the reliability test system of test wheel according to claim 1, which is characterized in that support component is taken turns in the test
It (8) further include pedestal (81) and the guide holder (82) being set between the pedestal (81) and the support base (83), it is described
Guide holder (82) is for making the support base (83) when by the axial load axially movable to discharge axial freedom.
3. the reliability test system of test wheel according to claim 2, which is characterized in that the guide holder (82) includes
The axial direction of spaced multiple rollers, the axial direction of each roller in the multiple roller and the test wheel hangs down
Directly.
4. the reliability test system of test wheel according to claim 1, which is characterized in that the axial load load is single
First (2) include the first fixing seat (21) being fixedly installed on the test platform (9) and with first fixing seat (21)
The first loading device (24) of connection, the effect end of first loading device (24) acts on the support base (83).
5. the reliability test system of test wheel according to claim 4, which is characterized in that the axial load load is single
First (2) further include ball hinge, and one end of first loading device (24) is connected to described first by the ball hinge and fixes
On seat (21), the other end of first loading device (24) forms the effect end.
6. the reliability test system of test wheel according to claim 4, which is characterized in that the axial load load is single
First (2) further include the first buffer unit (23), and the effect end of first loading device (24) passes through first buffer unit
(23) it acts on the support base (83).
7. the reliability test system of test wheel according to claim 4, which is characterized in that the support base (83) has
The effect end of multiple mounting portions in different location, first loading device (24) is alternatively installed at the multiple peace
The loading position of the axial load is adjusted on a mounting portion in dress portion.
8. the reliability test system of test wheel according to claim 1, which is characterized in that the axial load load is single
The loading position that first (2) Xiang Suoshu support base (83) applies the axial load is adjustably arranged.
9. it is according to any one of claim 1 to 8 test wheel reliability test system, which is characterized in that it is described can
It further include driving base wheel (7) by property pilot system, driving base wheel (7) is set to the radial outside of the test wheel (W) simultaneously
It is contacted under the action of the axial load with test wheel (W).
10. the reliability test system of test wheel according to claim 9, which is characterized in that driving base wheel (7) packet
The Chain Link component for including base wheel wheel body (71) and being set on the wheel face of the base wheel wheel body (71), the test wheel (W) and institute
State the cooperation contact of Chain Link component.
11. the reliability test system of test wheel according to claim 10, which is characterized in that the Chain Link component packet
The multiple convex block components (72) being circumferentially sequentially distributed along the wheel face of the base wheel wheel body (71) are included, the convex block component (72) includes
Mounting plate (721) and in upper spaced two arc bumps (722) of the mounting plate (721).
12. the reliability test system of test wheel according to claim 9, which is characterized in that the reliability test system
System further includes spin load loading unit (3), and the spin load loading unit (3) includes that the second fixing seat (31) and second add
It carries and sets, second loading device drives driving base wheel (7) rotation.
13. the reliability test system of test wheel according to claim 12, which is characterized in that the reliability test system
System further includes the transmission device being set between the spin load loading unit (3) and driving base wheel (7).
14. the reliability test system of test wheel according to claim 9, which is characterized in that the reliability test system
System further includes ventilation device, and the ventilation device is used for the contact surface output to the test wheel (W) and driving base wheel (7)
Cold wind.
15. the reliability test system of test wheel according to claim 14, which is characterized in that the reliability test system
System further includes the temperature sensor that setting and the temperature for detecting the contact surface are coupled with the ventilation device, is connect when described
When the temperature of contacting surface is greater than set temperature, the ventilation device exports cold wind.
16. the reliability test system of test wheel according to claim 9, which is characterized in that the reliability test system
System includes two test wheels support component (8) of the two sides for being symmetrically disposed on driving base wheel (7), the driving base wheel
(7) it is contacted simultaneously with the two tests wheel being respectively placed in described two test wheels support component (8).
17. the reliability test system of test wheel according to claim 16, which is characterized in that described two tests, which are taken turns, is
Thrust wheel, guide wheel, support sprocket wheel in identical test wheel；Alternatively, described two test wheels are thrust wheel, guide wheel, support sprocket wheel
In different tests wheel.
18. it is according to any one of claim 1 to 8 test wheel reliability test system, which is characterized in that it is described can
It further include radial load loading unit (1) by property pilot system, the radial load loading unit (1) is by the support base
(83) radial load of the radial direction setting along the test wheel (W) is loaded with by the radial load transfer to the test
It takes turns (W).
19. the reliability test system of test wheel according to claim 18, which is characterized in that the radial load load
Unit (1) include third fixing seat (11), third loading device (14) and be set to the third fixing seat (11) with it is described
The second buffer unit (13) between third loading device (14), the effect end of the third loading device act on the test
It takes turns on (W).
20. the reliability test system of test wheel according to claim 18, which is characterized in that support group is taken turns in the test
Part (8) further includes connection frame (84), and the connection frame (84) and the test are taken turns (W) and connect and the radial load loading unit
(1) radial load transfer to the test is taken turns by (W) by the connection frame (84).
21. the reliability test system of test wheel according to claim 20, which is characterized in that support group is taken turns in the test
Part (8) includes the connection frame (84) of multiple and different structures, the connection frame (84) of the multiple different structure and test wheel (W)
Structure be adapted, and the connection frame (84) is removably arranged relative to the support base (83).
22. the reliability test system of test wheel according to claim 18, which is characterized in that support base (83) tool
There is the slideway extended along the radial direction, the test wheel (W) is movably disposed relative to the slideway to discharge radial direction
Freedom degree.
23. the reliability test system of test wheel according to claim 1, which is characterized in that the reliability test system
System is horizontal type structure or vertical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220972.8U CN209311104U (en) | 2018-12-28 | 2018-12-28 | Test the reliability test system of wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822220972.8U CN209311104U (en) | 2018-12-28 | 2018-12-28 | Test the reliability test system of wheel |
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| Publication Number | Publication Date |
|---|---|
| CN209311104U true CN209311104U (en) | 2019-08-27 |
Family
ID=67679258
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822220972.8U Active CN209311104U (en) | 2018-12-28 | 2018-12-28 | Test the reliability test system of wheel |
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| CN (1) | CN209311104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520752A (en) * | 2018-12-28 | 2019-03-26 | 徐工集团工程机械有限公司 | Test the reliability test system of wheel |
| CN115343078A (en) * | 2022-10-18 | 2022-11-15 | 石家庄铁道大学 | Wheel rail operation test bed with contact position and creep state capable of being independently regulated |
-
2018
- 2018-12-28 CN CN201822220972.8U patent/CN209311104U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520752A (en) * | 2018-12-28 | 2019-03-26 | 徐工集团工程机械有限公司 | Test the reliability test system of wheel |
| CN115343078A (en) * | 2022-10-18 | 2022-11-15 | 石家庄铁道大学 | Wheel rail operation test bed with contact position and creep state capable of being independently regulated |
| CN115343078B (en) * | 2022-10-18 | 2022-12-20 | 石家庄铁道大学 | Wheel rail running test bed with contact position and creep state capable of being independently regulated |
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