CN2199233Y - Floating flatness real-time dynamic tester - Google Patents
Floating flatness real-time dynamic tester Download PDFInfo
- Publication number
- CN2199233Y CN2199233Y CN 94213755 CN94213755U CN2199233Y CN 2199233 Y CN2199233 Y CN 2199233Y CN 94213755 CN94213755 CN 94213755 CN 94213755 U CN94213755 U CN 94213755U CN 2199233 Y CN2199233 Y CN 2199233Y
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- CN
- China
- Prior art keywords
- installing rack
- angular displacement
- displacement sensor
- reference test
- test bar
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000012360 testing method Methods 0.000 claims abstract description 47
- 238000006073 displacement reaction Methods 0.000 claims abstract description 35
- 238000001228 spectrum Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Abstract
The floating real-time flatness dynamic tester is used to measure flatness waveform of running path, vertical vibration displacement of equipment, angular displacement of front and back pitching vibration and flatness waveform of track on soft road surface. The device mainly comprises a mounting rack, a testing rod, an angular displacement sensor, a touch object part and a data processor. The test rods are mounted on the mounting frame through hinge shafts, contact parts are mounted at the end parts of the test rods, the angular displacement sensor is mounted at the hinge shafts, and the angular displacement sensor is connected with the data processor. The instrument has simple structure, needs no measuring reference, can directly measure the displacement and is suitable for a comprehensive tester under various conditions.
Description
The test of floating Pingdu Real-time and Dynamic only belongs to a kind of tester.Pingdu waveform in order to operational outfit institute operating path in measuring environment such as road surface, open and flat object, airport, railway, field, wave, the equipment displacement, before and after the angular displacement of pitch vibration, and on soft material postrun track Pingdu waveform etc.Particularly can be used as road surface meter and spectrum of road surface roughness tester.
Road surface meter is in order to estimate pavement quality; The spectrum of road surface roughness tester is in order to measurement and study pavement quality, the vibration of vehicle, and load, and the intensity and the fatigue life of material and structural member are for above research provides various necessary base data.About research existing decades of the history of road surface meter, up to the present, the road surface meter that the Changchun automotive research is developed is fairly perfect.It is with vertical gyroscope as the vehicle-mounted test reference data, can test the road surface waveform efficiently.The spectrum of road surface roughness tester once had power response type frequently, and its test philosophy is for measuring the normal acceleration of each testing wheel, with the ground spectrum that obtains acceleration, the power spectrum of wheel vertical vibration acceleration.This tester has solved the partial test problem of soft or hard spectrum of road surface roughness, but its energy measurement corresponding wheel response acceleration does not only obtain the displacement waveform.
Solve the evaluation pavement quality, the intensity and the fatigue life of research Vehicular vibration, load, material and structural member, measure corresponding displacement and be absolutely necessary.Yet existing road surface meter need make its complex structure with the car benchmark; What the spectrum of road surface roughness tester was measured only is acceleration, only can be limited in the frequency domain and study, therefore, not ideal enough for the intensity and the fatigue life of research material and structural member, because the intensity of material and the tired amplitude and the frequency that depends on load are little with frequency relation.
Task of the present utility model is to provide a kind of need can directly not test displacement with the car benchmark, and can accurately finish the comprehensive tester of the test problem of above-mentioned instrument.
Above-mentioned task can solve by the following technical programs: Fig. 1 is a kind of structural representation of this tester; Fig. 2 is the vertical view of Fig. 1, and it has represented the connecting mode of reference test bar and installing rack; Fig. 3 is that the A of Fig. 2 is to view; Fig. 4 is mounting means one example of this tester on running gear system; Fig. 5 is the fundamental diagram of data processor.The floating Pingdu Real-time and Dynamic tester that the utility model provides, it by installing rack 3, reference test bar 4,5,6,7,8, angular displacement sensor 9, touch thing parts 10 and data processor is formed, reference test bar 4,5,6,7,8 is along the vertical layout of installing rack and adopt hinge to be installed on the installing rack 3, the end of reference test bar is equipped with and is touched the thing parts, touch the thing parts on same straight line, angular displacement sensor all is equipped with in the junction of each reference test bar and installing rack, and angular displacement sensor connects data processor with lead.
Reference test bar on the installing rack can adopt a plurality of, wants at least more than 3, wherein has the reference test bar more than 2 or 2 to be vertical same mounting points on installing rack.
The thing parts that touch of reference test bar end are looked measured body, and promptly the pavement conditions of running gear and operation and deciding can adopt land wheel or float or other structural member.
If need test installing rack and measured body relative displacement, can on installing rack, install installing rack and measured body relative displacement testing arrangement additional, it can adopt flexible strand 11, pulley 12, angular displacement sensor 9, receive twine carrier 13 compositions, pulley, angular displacement sensor and receipts twine carrier are contained on the installing rack successively, one end of flexible strand is fixed on the tested position of measured body, the other end is walked around the angular displacement sensor axle head through pulley, is fixed on to receive in the twine carrier.
The such scheme that the utility model provides because the reference test bar employing is a plurality of, is arranged on the installing rack successively, and adopts hinge to connect with installing rack, and therefore, it is measured as floating type.As with this tester during as the spectrum of road surface roughness tester, it can directly measure the face of land waveform of wheel driving path, the wheel waveform that vertically rises and falls, front and back luffing angle waveform, as track is soft road surface, then also can measure the rut waveform, and the average consolidation on corresponding soft road surface.
If the vibration during with this apparatus measures vehicle ' except that measuring the above-mentioned parameter, also can be measured each position of car body, as: the vertical fluctuating waveform of the relative wheel shafts of parts such as motor, vehicle frame.
The tester that this programme provided has simple in structure, does not need test benchmark, can directly test displacement, thereby improve measuring accuracy.This instrument can be finished existing road surface meter and all test functions of spectrum of road surface roughness tester.It not only is suitable for the wheeled or caterpillar of test walking on the soft or hard road surface, also can test the airport Pingdu; The building surface Pingdu; Aircraft land wheel and the fuselage vibration displacement when rising and falling; The Pingdu of railway and the vibration displacement of vehicle; The fluctuating displacement of the fluctuating of wave and ship; The Pingdu of open and flat printed line material and operate in the fluctuating displacement of the device on plate, the wire material.This tester both can be contained on the object moving; Also can make hand-held, measure the Pingdu of prediction material.Therefore, this tester test specification is very wide, is a kind of comprehensive tester.
Illustrate the implementation process of this programme below, to test wheeled or the single running gear of endless-track vehicle is an example.Tester is fixed on tester on vehicle bridge housing or endless-track vehicle car body or the bogie frame 1 by connecting jig 2, tester is by installing rack 3, reference test bar 4,5,6,7,8, angular displacement sensor 9 touches thing parts (being land wheel in this example) 10, installing rack and car body relative displacement measurement mechanism, (in this example the flexible measuring device, by flexible strand 11, pulley 12, angular displacement sensor 9 is received twine carrier 13) form.Reference test bar vertically arranges along installing rack, and makes and touch thing land wheel 10 and become a vertical straight line on the object point touching, and consistent with running gear 1 travel direction.Wherein 5,6 reference test bars are same point in the vertical with connecting of installing rack.The connecting mode of survey formula bar and installing rack is as shown in Figure 2: at the side of reference test bar 4,5,6,7,8 and installing rack 3 established angle displacement transducer 9, in order to measure the pendulum angle of reference test bar.During touching the thing parts and be land wheel on the reference test bar, in order to rolling on the road surface, and make institute walking along the street footpath identical with vehicle to run device walking path, its mounting means as shown in Figure 3.When the road surface of test when being the hard pavement, reference test bar uses 4,5,6,7 get final product, and when the road surface of test was soft road surface, then to want 5 covers be 4,5,6,7,8 to reference test bar.Each signal of sensor is through counter during test, and data processor is by computer or magnetic recorder record.
Claims (4)
1, a kind of floating Pingdu Real-time and Dynamic tester, it is characterized in that it by installing rack, reference test bar, angular displacement sensor, touch the thing parts and data processor is formed, reference test bar is along the vertical layout of installing rack and adopt hinge to be installed on the installing rack, the end of reference test bar is equipped with and is touched the thing parts, touch the thing parts on same straight line, angular displacement sensor all is equipped with in the junction of each reference test bar and installing rack, and angular displacement sensor connects data processor with lead.
2, a kind of floating Pingdu Real-time and Dynamic tester according to claim 1 is characterized in that reference test bar more than 3, wherein has the reference test bar more than 2 or 2 to be vertical same mounting points on installing rack.
3, a kind of floating Pingdu Real-time and Dynamic tester according to claim 1 is characterized in that touching the thing parts and can be land wheel or float or other structural member.
4, a kind of floating Pingdu Real-time and Dynamic tester according to claim 1, it is characterized in that on installing rack, can installing additional installing rack and measured body relative displacement testing arrangement, it can be by flexible strand, pulley, angular displacement sensor, the receipts twine carrier is formed, pulley, angular displacement sensor and receipts twine carrier are contained on the installing rack successively, flexible strand one end is fixed on the tested position of measured body, the other end through pulley, walk around the angular displacement sensor axle head, be fixed on and receive in the twine carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213755 CN2199233Y (en) | 1994-06-07 | 1994-06-07 | Floating flatness real-time dynamic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94213755 CN2199233Y (en) | 1994-06-07 | 1994-06-07 | Floating flatness real-time dynamic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2199233Y true CN2199233Y (en) | 1995-05-31 |
Family
ID=33830223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94213755 Expired - Fee Related CN2199233Y (en) | 1994-06-07 | 1994-06-07 | Floating flatness real-time dynamic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2199233Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444079A (en) * | 2011-09-16 | 2012-05-09 | 武汉武大卓越科技有限责任公司 | Pavement deflection measuring system and measuring method |
| CN105136468A (en) * | 2015-07-20 | 2015-12-09 | 农业部南京农业机械化研究所 | Farmland ground effective excitation spectrum measurement device and method |
-
1994
- 1994-06-07 CN CN 94213755 patent/CN2199233Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444079A (en) * | 2011-09-16 | 2012-05-09 | 武汉武大卓越科技有限责任公司 | Pavement deflection measuring system and measuring method |
| CN102444079B (en) * | 2011-09-16 | 2014-03-19 | 武汉武大卓越科技有限责任公司 | Pavement deflection measuring system and measuring method |
| CN105136468A (en) * | 2015-07-20 | 2015-12-09 | 农业部南京农业机械化研究所 | Farmland ground effective excitation spectrum measurement device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |