CN206740345U - A kind of paver screed property test platform - Google Patents
A kind of paver screed property test platform Download PDFInfo
- Publication number
- CN206740345U CN206740345U CN201720594715.3U CN201720594715U CN206740345U CN 206740345 U CN206740345 U CN 206740345U CN 201720594715 U CN201720594715 U CN 201720594715U CN 206740345 U CN206740345 U CN 206740345U
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- China
- Prior art keywords
- screed
- test platform
- test
- crossbeam
- vibrator
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Abstract
The utility model discloses a kind of paver screed property test platform, including two columns, one group of crossbeam is respectively connected between per column, two sliding blocks that can be slid along are provided with every group of crossbeam, draft arm is equipped with the downside of every group of crossbeam, one end of each draft arm is connected by a sliding block on the corresponding crossbeam of leveling cyclinder, the middle part of each draft arm is connected by another sliding block on the corresponding crossbeam of lift cylinder, the other end of each draft arm is connected to screed, and vibrator is provided with screed.The utility model realizes the camber and soffit plane degree, the test for vibrating running parameter and its amplitude uniformity, the running parameter that vibrates, stroke and its synchronism etc. to vibrating screed.
Description
Technical field
The utility model belongs to road construction machinery field, and in particular to a kind of paver screed performance test
Platform.
Background technology
Vibration screed be paver core work device, its performance quality directly affect paver operation quality and
Operating efficiency.At present, to vibrate screed camber and soffit plane degree, vibration running parameter and its amplitude uniformity, vibrate
The key technology such as running parameter and its synchronism still lacks relevant art research and means of testing.Although some domestic scholars and enterprise
The technical staff of industry was done compared with in-depth study to the mode of screed, thermal deformation, amplitude uniformity consistency etc., to screed
Increased quality has certain Technical Reference value, but still lacks enough vibration screed standardized test technology and means, difficult
To carry out the research that becomes more meticulous of vibration screed, especially the research and development of new product and assembly test of manufacturing enterprise are difficult to provide skill
Art is supported.Therefore, the design feature with reference to vibration screed and service behaviour requirement, the screed performance of a standard is developed
It is test bed extremely important.
Utility model content
The purpose of this utility model is to provide a kind of paver screed property test platform, to overcome prior art
The problem of middle, the utility model realize the quiescent operation parameter camber and soffit plane degree, vibration work to vibrating screed
Parameter and its amplitude uniformity, the test of vibrate running parameter and its synchronism etc..
To reach above-mentioned purpose, the utility model adopts the following technical scheme that：
A kind of paver screed property test platform, including two columns, often it is respectively connected with one group between column
Crossbeam, two sliding blocks that can be slid along are provided with every group of crossbeam, draft arm is equipped with the downside of every group of crossbeam, each leads
The one end for drawing arm is connected by a sliding block on the corresponding crossbeam of leveling cyclinder, and the middle part of each draft arm is by lifting oil
Another sliding block connection on the corresponding crossbeam of cylinder, the other end of each draft arm are connected to screed, set on screed
It is equipped with vibrator.
Further, there is the promotion oil cylinder for being provided with a root post and being slided for control slide block in every column, and
Retractor device is respectively connected between two sliding blocks on every group of crossbeam.
Further, it is flat to be provided with cast iron test when test ironing harden structure and deformation parameter, immediately below screed
Platform, some contact displacement sensings for being used to detect the change of screed camber and chassis flatness are distributed with cast iron test platform
Device.
Further, some tracks are arranged with the top of cast iron test platform in parallel, are provided with every track some
The tangent displacement sensor that can be slided along track.
Further, it is provided with platform base on the downside of cast iron test platform.
Further, when test screed vibrator vibrates running parameter and synchronism, the underface of screed is set
There is Rubber shock-absorbing pad, be provided with rubber blanket firm banking on the downside of Rubber shock-absorbing pad, be provided with Rubber shock-absorbing pad and shaken for test
The displacement transducer of parameter is smash, and displacement transducer is arranged on the underface of vibrator.Test vibrate synchronism when, vibrator is each
Acceleration transducer is disposed with section axle.
Further, some pressure sensors are disposed with the vibrating system of vibrator and the pressure tap of vibrational system.
Further, when testing screed vibration parameters and amplitude uniformity, rubber is provided with immediately below screed
Beam, Rubber shock-absorbing pad downside are provided with rubber blanket firm banking, some acceleration transducers are evenly equipped with screed.
Compared with prior art, the utility model has technique effect beneficial below：
The utility model can not only be carried out vibrating physical dimension, screed camber and the soffit plane degree of screed and shaken
Dynamic parameter testing, the test of vibrator running parameter and synchronism, and can also carry out vibrating the assembling quality testing of screed,
Its standardization and intelligent monitoring are realized, comprehensive technology is provided for the product quality lifting, technology upgrading, research and development of new product of enterprise
Service.
Further, slided by oil cylinder control slide block, operation is simple.
Further, track is set in the groove of cast iron test platform, displacement transducer is set it is in orbit, can be with
Realize the purpose that multimetering is carried out using a small amount of displacement transducer.
Further, it can be realized by the retractor device between sliding block and the draft arm of different type of machines paver is installed, entered
And to screed performance test.
Brief description of the drawings
Fig. 1 is structure and deformation parameter test front view；
Fig. 2 is vibration and the running parameter test front view that vibrates；
Fig. 3 is Fig. 1 or Fig. 2 top view.
In figure, 1. columns, 2. crossbeams, 3. promotion oil cylinders, 4. leveling cyclinders, 5. sliding blocks, 6. lift cylinders, 7. draft arms,
8. vibrator, 9. screeds, 10. cast iron test platforms, 11. tangent displacement sensors, 12. rubber dampers, 13. rubber blankets
Firm banking, 14. platform bases, 15. displacement transducers.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1 to Fig. 3, a kind of paver screed property test platform, including two columns 1, per column 1 it
Between be respectively connected with one group of crossbeam 2, two sliding blocks that can be slid along 5 are provided with every group of crossbeam 2, are had per in column 1
The promotion oil cylinder 3 for controlling the sliding block 5 on the crossbeam between this column 1 to slide is provided with one root post 1, and every group horizontal
Retractor device is respectively connected between two sliding blocks 5 on beam 2, the downside of every group of crossbeam 2 is equipped with draft arm 7, each draft arm 7
One end connected by a sliding block 5 on the corresponding crossbeam 2 of leveling cyclinder 4, the middle part of each draft arm 7, which passes through, lifts oil
Another sliding block 5 on the corresponding crossbeam 2 of cylinder 6 connects, and the other end of each draft arm 7 is connected to screed 9, screed
Vibrator 8 is provided with 9.
When test ironing harden structure and deformation parameter, the underface of screed 9 is provided with cast iron test platform 10, cast iron
The downside of test platform 10 is provided with platform base 14, is distributed with cast iron test platform 10 and some is used to detect screed 9 and encircle
Degree change and the tangent displacement sensor 11 of chassis flatness, the top of cast iron test platform 10 is arranged with some rails in parallel
Road, track are arranged in the groove on cast iron test platform, be provided with every track it is some can along track slide connecing
Touch displacement transducer 11.
When testing screed vibration parameters and amplitude uniformity, the underface of screed 9 is provided with Rubber shock-absorbing pad 12,
The downside of Rubber shock-absorbing pad 12 is provided with rubber blanket firm banking 13, and screed adds along width and length direction are uniformly a number of
Velocity sensor.
When test screed vibrator vibrates stroke and running parameter, the underface of screed 9 is provided with rubber shock-absorbing
Pad 12, the downside of Rubber shock-absorbing pad 12 are provided with rubber blanket firm banking 13, are provided with Rubber shock-absorbing pad 12 and are vibrated for test
The displacement transducer 15 of parameter, and displacement transducer 15 is arranged on the underface of vibrator 8, sensor and vibrator head during test
Portion contacts.When test shake screed smash device synchronism when, need to be in each section of arrangement acceleration transducer on axle that vibrate.
One kind vibration screed method for testing performance, using above-mentioned vibration screed device for detecting performance, when test is pressed
When slab construction and deformation parameter, cast iron test platform 10, the downside of cast iron test platform 10 are set in the underface of screed 9
Platform base 14 is provided with, is set on cast iron test platform 10 some smooth for detecting the change of the camber of screed 9 and chassis
The tangent displacement sensor 11 of degree, the top of cast iron test platform 10 are arranged with some tracks in parallel, are all provided with every track
Some tangent displacement sensors 11 that can be slided along track are equipped with, are obtained by the data for gathering tangent displacement sensor 11
To ironing harden structure and deformation parameter；
When testing screed vibration parameters and amplitude uniformity, Rubber shock-absorbing pad is set in the underface of screed,
Rubber blanket firm banking is set on the downside of Rubber shock-absorbing pad, and uniform some acceleration transducers, each by gathering on screed
Acceleration transducer data, vibration frequency is further obtained by Fourier transformation, and be calculated and shaken using acceleration information
The horizontal homogeneity and longitudinal uniformity of dynamic screed amplitude；
When test screed vibrator vibrates stroke and running parameter, rubber shock-absorbing is set in the underface of screed 9
Pad 12, the downside of Rubber shock-absorbing pad 12 is provided with rubber blanket firm banking 13, is provided with Rubber shock-absorbing pad 12 and is shaken for test
The displacement transducer 15 of parameter is smash, and displacement transducer 15 is arranged on the underface of vibrator 8, by gathering displacement transducer 15
Data obtain ironing-board vibrating stroke and running parameter；When test screed vibrator vibrates synchronism, in vibrator
Vibrate and arrange some acceleration transducers on axle, vibrator synchronism is obtained by gathering acceleration transducer data.
Operating process of the present utility model is described in detail below：
A kind of paver screed property test platform, including draft arm is fixed and supporting mechanism, rubber damper and
Supporting mechanism, cast iron test platform and base, fluid power system, testing stand electric-control system, test data test system, experiment
Data Management Analysis system.
Draft arm is fixed and supporting mechanism is mainly by column 1, crossbeam 2, sliding block 5, oil cylinder 3, leveling cyclinder 4 and lift cylinder
6 grades form.Its operation principle is：On the basis of column 1 is fixed on, crossbeam 2 is fixed on column 1；Sliding block 5 is in the flexible of oil cylinder 3
Can be movable along crossbeam 2 under action, screed 9 is placed on cast iron test platform 10 or on rubber damper 12；It is sliding
The lower section of block 5 connects leveling cyclinder 4 and lift cylinder 6 respectively, leveling cyclinder 4 and lift cylinder 6 is corresponding with draft arm 7 respectively pacifies
Dress hole is hinged, and realizes leveling performance test and the enhanced feature of screed.
The major function of rubber damper and supporting mechanism：It is real when ironing-board vibrating system works or vibrational system works
Existing vibration isolation effect；The synchronism of axle of vibrating and vibration screed vibration parameters and amplitude uniformity need to arrange acceleration transducer,
And screed is placed on rubber testing platform and measured, displacement transducer 15 vibrates under axle driven at low speed available for test
Vibrator stroke and running parameter.
The major function of cast iron test platform and base：Cast iron test platform 10 is fixedly mounted, meets the test of flatness
It is required that；High-precision orbital is installed on cast iron test platform 10, and tangent displacement sensor 11 is separately fixed at corresponding cunning
On rail, camber measurement and chassis roughness measurement under screed static condition are realized.
The major function of fluid power system：Promote the power source of oil cylinder 3；The power of lift cylinder 6 and leveling cyclinder 4
Source；Ironing-board vibrating system dynamic source；Screed vibrational system power source.
The major function of testing stand electric-control system：The start-stop of testing stand power source controls；Fluid power system start-stop and other
Action control；Test system power source controls；The movable control of slide block mechanism；The flexible control of lift cylinder and leveling cyclinder
System and locking control；The work caution system control of testing stand.
The major function of test data test system：Test data test system parameter setting；Test Data Collecting；Experiment
Data are shown；The fault alarm of test system；Test data stores；Pressure sensor, speed probe, temperature sensor, plus
Velocity sensor, angular transducer etc. are installed and debugging；Expansion interface is reserved etc..
The major function of experimental data processing analysis system：The analyzing and processing of test data；The printing of test data；Test
Data import and export；Real-time communication of test data etc..
Overall structure of the present utility model is four root posts 1, four sliding blocks 5, four crossbeams 2, two leveling cyclinders 4, two
Individual lift cylinder 6 and two promotion oil cylinders 3.Because paver type is different, therefore the size of draft arm 7 is different, so every group of crossbeam 2
On two sliding blocks 5 between using retractor device connect, to adapt to different size draft arms.Structure and deformation parameter are carried out first
Test, vibration parameters and amplitude uniformity test and the stroke that vibrates, running parameter and synchronism test are carried out afterwards, is promoting oil
The promotion lower band movable slider 5 of cylinder 3, and then screed 9 is stretched out.Because screed total quality all puts on sliding block lower end,
Therefore retractor device must be connected between sliding block, to reach stress balance.
Generally：
Part I：Integral structure characteristic
1) test of structure and deformation parameter
Referring to Fig. 1, the test of paver screed static structure and deformation parameter, including column 1, crossbeam 2, sliding block 5 and
Oil cylinder 3, leveling cyclinder 4 and lift cylinder 6 are connected to the lower section of sliding block 5, and draft arm 7 is oily with leveling cyclinder 4 and lifting respectively
The corresponding mounting hole of cylinder 6 is hinged, and screed 9 is fixed by paver principle and the other end of draft arm 7, by cast iron test platform 10
On the basis of being connected and being fixed on immediately below screed 9 with platform base 14, using leveling cyclinder 4 and it is placed on screed 9
Angular transducer to screed 9 carry out leveling, ensure left and right it is highly consistent；Using lift cylinder 6 and hold-down support to ironing
Plate 9 is fixed, and keeps stability, precision allowable error is between 0.05-0.10mm.Cast iron test platform is similar to lathe T
Type workbench, track is disposed with each row T-slot, be easy to that tangent displacement sensor 11 is changed and adjusting position, realization are pressed
The measurement of camber change under the static condition of flat board 9 along its length and chassis roughness measurement.When test ironing harden structure and
Some tangent displacement sensors 11 can be manually installed in during deformation parameter, during test in slide rail and fixed, when test is pressed
When plate arch is spent, tangent displacement sensor 11 arranges in being arranged in parallel in first row and last along its length；When test is pressed
During the flatness of plate chassis, each track adds a tangent displacement sensor 11 again in diagonal.
2) vibration parameters and amplitude uniformity test
Referring to Fig. 2, paver screed vibration parameters and amplitude uniformity test, including column 1, crossbeam 2, sliding block 5 and
Oil cylinder 3, leveling cyclinder 4 and lift cylinder 6 are connected to the lower section of sliding block 5, draft arm 7 respectively with leveling cyclinder 4 and lift cylinder 6
Corresponding mounting hole is hinged, and screed 9 is fixed by paver principle and the other end of draft arm 7, utilizes leveling cyclinder 4 and lifting oil
Screed 9 is placed on rubber damper 12 by cylinder 6, and the rubber damper 12 is connected and is fixed on rubber blanket firm banking 13
On the basis of immediately below screed 9.After the completion of standing parameter testing, screed 9 is placed on rubber damper 12, pressed
Plate is along the uniform a number of acceleration transducer of width and length direction.
3) vibrator stroke, running parameter and synchronism test
Referring to Fig. 2, paver screed vibrator vibrates running parameter and synchronism test, including column 1, and crossbeam 2 is sliding
Block 5 and oil cylinder 3, leveling cyclinder 4 and lift cylinder 6 are connected to the lower section of sliding block 5, and draft arm 7 is oily with leveling cyclinder 4 and lifting respectively
The corresponding mounting hole of cylinder 6 is hinged, and screed 9 is fixed by paver principle and the other end of draft arm 7, utilizes the He of leveling cyclinder 4
Screed 9 is placed on rubber damper 12 by lift cylinder 6, and the rubber damper 12 is connected simultaneously with rubber blanket firm banking 13
On the basis of being fixed on immediately below screed 9, it is to realize vibration isolation function when vibrator 8 operates that it, which is acted on, both avoids damage from pressing
Flat board 9, it can also be effectively isolated transmission of the vibration to surrounding environment.After the completion of standing parameter testing, screed 9 is placed into rubber
On cushion blocking 12, when testing vibrator bottom of stroke and running parameter, vibrated in rubber testing platform side corresponding to axle
It is up that screed is placed on rubber blanket when lower position, a row displacement transducer 15 is arranged along land lengths direction, and tested
Journey sensor and vibrator head contact；When testing vibrator synchronism, arrange that acceleration passes on each section of axle of vibrator
Sensor.Can driven at low speed ironing-board vibrating axle, carry out vibrator 8 vibrate running parameter and synchronism test.
Part II：According to technical principle
1) test of structure and deformation parameter
When test base plate plane is spent, test tangent displacement sensor 11, contact can be installed on cast iron test platform 10
The probe height of formula displacement transducer 11 is higher than test platform top surface, carries out levelling using calibrated altitude element and returns to zero.Flatness
Test philosophy is as follows：
Tangent displacement sensor 11 tests supporting arrangement and is divided into two kinds：It is fixed or portable.Fixed measuring principle：
Certain amount measuring point is arranged on cast iron test platform 10, the bottom surface flatness of screed 9 is calculated, it is necessary to sense using test software
Device quantity is more, expensive；Portable measuring principle：High-precision orbital is installed on cast iron test platform 10, then will be connect
Touch displacement transducer 11 is fixed in orbit, and the orbital motion of tangent displacement sensor 11 survey during test, test
The change numerical value of different measuring points opening position elevation on the length direction of screed 9, conversion obtain the flatness of the bottom surface of screed 9, should
Sensor is less needed for method.
When determining whether the negative elevation angle, screed 9 is hanging, can on screed 9 layout angle sensor or using smooth
Degree measurement data is calculated.Screed 9 is risen and trailed repeatedly by the lifting mechanism of monitor station, passes through contact position
The flatness of the slipping mechanism quick detection bottom plate of displacement sensor 11 and whether there is the negative elevation angle and produce.It is artificial to promote contact displacement sensing
Device 11 gets detection, collection point data output ready.
2) vibration parameters and amplitude uniformity test
When testing screed vibration parameters and amplitude uniformity, screed is placed on rubber blanket, and on screed
Along the uniform a number of acceleration transducer of width and length direction, vibration frequency is obtained by Fourier transformation, and calculate
The amplitude of each measuring point, converse the horizontal homogeneity and longitudinal uniformity of vibration screed amplitude.
3) vibrator stroke, running parameter and synchronism test
Vibrate stroke test：In the front side cloth displacement sensor 15 of rubber damper 12, and sensor and vibrator head
Contact, by driven at low speed vibrator, can detect vibrator stroke.
Synchronism of vibrating measures：, need to be in each section of arrangement on axle of vibrating when testing vibrator when testing vibrator synchronism
Acceleration transducer, frequency of vibrating is obtained by FFT, can be calculated and vibrated using the phase difference for obtaining acceleration time domain signal
The synchronism of device.
Pressure and measurement of rotating speed：On monitor station high-speed driving for a period of time, by vibrator vibratory drive system,
The quick pressure tap arrangement pressure sensor for drive system of vibrating, the vibratory drive system of real-time testing screed 9, driving of vibrating
The pressure of system, rotating speed time domain change curve, and stored, realize vibrator, the identification for the axle robust motion that vibrates and mirror
It is fixed.
Test data can be imported and exported by exclusive data analysis software, or be analyzed and processed in real time, be provided
Required curve type or data.
Claims (8)
- A kind of 1. paver screed property test platform, it is characterised in that including two columns (1), per column (1) it Between be respectively connected with one group of crossbeam (2), two sliding blocks that can be slid along (5), every group of crossbeam are provided with every group of crossbeam (2) (2) draft arm (7) is equipped with the downside of, one end of each draft arm (7) passes through on leveling cyclinder (4) corresponding crossbeam (2) The connection of a sliding block (5), the middle part of each draft arm (7) passes through another on lift cylinder (6) corresponding crossbeam (2) Sliding block (5) connects, and the other end of each draft arm (7) is connected to screed (9), and screed is provided with vibrator on (9) (8)。
- 2. a kind of paver screed property test platform according to claim 1, it is characterised in that per column (1) there is the promotion oil cylinder (3) for being provided with a root post (1) and being slided for control slide block (5) in, and on every group of crossbeam (2) Two sliding blocks (5) between be respectively connected with retractor device.
- 3. a kind of paver screed property test platform according to claim 1, it is characterised in that when test is pressed When harden structure and deformation parameter, cast iron test platform (10) is provided with immediately below screed (9), on cast iron test platform (10) Some tangent displacement sensors (11) for being used to detect the change of screed (9) camber and chassis flatness are distributed with.
- 4. a kind of paver screed property test platform according to claim 3, it is characterised in that cast iron test is flat It is arranged with some tracks at the top of platform (10) in parallel, some contact positions that can be slided along track is provided with every track Displacement sensor (11).
- 5. a kind of paver screed property test platform according to claim 3, it is characterised in that cast iron test is flat Platform base (14) is provided with the downside of platform (10).
- 6. a kind of paver screed property test platform according to claim 1, it is characterised in that when test is pressed Plate vibrate running parameter and synchronism when, be provided with Rubber shock-absorbing pad (12), Rubber shock-absorbing pad (12) immediately below screed (9) Downside is provided with rubber blanket firm banking (13), and the displacement sensing for testing parameter of vibrating is provided with Rubber shock-absorbing pad (12) Device (15), and displacement transducer (15) is arranged on the underface of vibrator (8).
- A kind of 7. paver screed property test platform according to claim 6, it is characterised in that vibrator (8) Vibrating system and vibrational system pressure tap on be disposed with some pressure sensors.
- 8. a kind of paver screed property test platform according to claim 1, it is characterised in that when test is pressed When panel vibration parameter and amplitude uniformity, Rubber shock-absorbing pad (12), Rubber shock-absorbing pad (12) are provided with immediately below screed (9) Downside is provided with rubber blanket firm banking (13), and screed is evenly equipped with some acceleration transducers on (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594715.3U CN206740345U (en) | 2017-05-25 | 2017-05-25 | A kind of paver screed property test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594715.3U CN206740345U (en) | 2017-05-25 | 2017-05-25 | A kind of paver screed property test platform |
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| Publication Number | Publication Date |
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| CN206740345U true CN206740345U (en) | 2017-12-12 |
Family
ID=60567937
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720594715.3U Expired - Fee Related CN206740345U (en) | 2017-05-25 | 2017-05-25 | A kind of paver screed property test platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120576A (en) * | 2017-12-27 | 2018-06-05 | 长安大学 | One kind paves machine detecting device |
| CN109162177A (en) * | 2018-10-29 | 2019-01-08 | 中南大学 | A kind of laboratory room small-sized slip-form machine paves constructing device and application method |
| CN111379211A (en) * | 2019-12-19 | 2020-07-07 | 长沙理工大学 | Paving and rolling construction monitoring device |
| CN113176146A (en) * | 2021-03-25 | 2021-07-27 | 上海大学 | Ironing plate camber detection hydraulic test bench |
-
2017
- 2017-05-25 CN CN201720594715.3U patent/CN206740345U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120576A (en) * | 2017-12-27 | 2018-06-05 | 长安大学 | One kind paves machine detecting device |
| CN108120576B (en) * | 2017-12-27 | 2024-04-09 | 西安石油大学 | Paver detection apparatus |
| CN109162177A (en) * | 2018-10-29 | 2019-01-08 | 中南大学 | A kind of laboratory room small-sized slip-form machine paves constructing device and application method |
| CN111379211A (en) * | 2019-12-19 | 2020-07-07 | 长沙理工大学 | Paving and rolling construction monitoring device |
| CN113176146A (en) * | 2021-03-25 | 2021-07-27 | 上海大学 | Ironing plate camber detection hydraulic test bench |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180525 |