CN205919895U - Multi -functional road surface noise test device - Google Patents
Multi -functional road surface noise test device Download PDFInfo
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- CN205919895U CN205919895U CN201620804541.4U CN201620804541U CN205919895U CN 205919895 U CN205919895 U CN 205919895U CN 201620804541 U CN201620804541 U CN 201620804541U CN 205919895 U CN205919895 U CN 205919895U
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Abstract
The utility model belongs to the technical field of road engineering pavement material noise resistance ability equipment for the institute, relate to a multi -functional road surface noise test device, including work platform, work platform's preceding, back both ends are equipped with preceding, rear axle, all are equipped with the wheel on preceding, the rear axle, last control box, the lift platform of being equipped with of work platform, lift platform have testing wheel, and the testing wheel overcoat has the emulation tire, and last being equipped with of lift platform is used for driving testing wheel pivoted driving motor, and lift platform's below is equipped with the noise test appearance, be equipped with lifting unit between lift platform and the work platform, the last battery that is provided with of work platform, noise test appearance, driving motor pass through the cable and are connected with control assembly, and control assembly passes through the cable and is connected with the battery, work platform's front end is equipped with the connecting rod, the utility model has the advantages of simple structure, reasonable in design just use convenient operation, excellent in use effect, can carry out system testing and research to indoor outer pavement material's noise level.
Description
Technical field
This utility model belongs to road engineering ground surface material anti-acoustic capability institute equipment technical field, is specifically related to
Can either test and build road surface, also can test road surface test block indoors, dry pavement can either be tested it is also possible to test is moist
A kind of multifunction road noise-measuring system on road surface.
Background technology
Fast-developing with China's road construction, road network covering is increasingly perfect, but is increasing transport capacity and promotion
While regional economic development, also cause certain negative effect to surrounding, wherein traffic noise pollution has become China
One big public hazards of urban environment, have a strong impact on orthobiosiss and the physical and mental health of road nearby residents.Therefore, in Pavement Design and
During use, strict control ground surface material noise level, is designed to new pavement material according to noise measuring result in time
Become to have important practical significance with carrying out maintenance to old road.Ground surface material noise testing at present mainly has simulation laboratory test
And on-the-spot test, simulation laboratory test is difficult to Accurate Prediction ground surface material actual noise level in use, and live
The common method of measurement traffic noise mainly has statistics through method, controls through three kinds of methods such as method and near field test method, wherein
Statistics through method and controls through method using distance test road certain position placement measuring instrument, and noise-measuring system is apart from car
Tire is distant, and mike is fixed on the contact position of wheel and road surface by near field test method using support, though can be one
Determine to reflect vehicle driving noise in degree, but due to nearer apart from vehicle motor, be easily subject to vehicle influence of noise itself it is impossible to
Effecting reaction vehicle driving noise.Therefore, in road engineering industry road rumble research field, need to urgently solve a technology
Problem is the multifunctional detecting device providing a kind of energy to be directed to ground surface material indoor and outdoors noise, and road surface both can have been detected in reality
Noise level during use, can test Accurate Prediction design road surface or censorship sample actually used according to Indoor Simulation again
During noise level.
Content of the invention
The purpose of this utility model is to fill up above-mentioned existing research, the vacancy of test equipment, provide a kind of structure simple,
Reasonable in design and good using easy to operate, using effect, the noise level of indoor and outdoor ground surface material can be carried out with the test of system
Road rumble performance testing device with research.
The technical solution adopted in the utility model is:
A kind of multifunction road noise-measuring system, including work platformses, the bottom surface of work platformses, near work platformses
Front end is provided with front axle, and the bottom surface of work platformses, close work platformses rear end are provided with rear axle, the left and right two ends of front axle and rear axle
One wheel is each provided with by bearing；Control chamber is provided with described work platformses, in control chamber, is provided with control assembly；Work
Make to be provided with hoistable platform on platform, at the work platformses immediately below hoistable platform, be provided with opening, the lower section of hoistable platform sets
It is equipped with testing wheel, the outer sheath of testing wheel, equipped with emulation tire, is provided with above hoistable platform for driving testing wheel to rotate
Motor, the main shaft of described motor is connected with drive link, and described drive link is connected with the central shaft of testing wheel；Described liter
The lower section dropping platform, the side being located at testing wheel are provided with noise-measuring instrument；Arrange between described hoistable platform and work platformses
Have lifting assembly, lifting assembly is connected with control assembly by cable, described lifting assembly be used for driving hoistable platform with respect to
Work platformses do lifting action；It is provided with accumulator on described work platformses；Described noise-measuring instrument, motor pass through cable
It is connected with control assembly, described control assembly is connected with accumulator by cable；The front end of described work platformses is provided with connection
Bar.
Further, the front end of described work platformses is provided with sprinkler tip, and work platformses are provided with water tank and company
The water-supply-pipe of water receiving case and sprinkler tip and water pump, described water pump is connected with accumulator and control assembly by cable.
Further, described lifting assembly includes the hydraulic jack of one group of vertical operation platform setting, described hydraulic jack
The top of piston rod and hoistable platform between be fixedly connected, solid between the bottom of the cylinder barrel of described hydraulic jack and work platformses
Fixed connection, the top of described work platformses is additionally provided with the power station assembly for driving hydraulic jack action, described power station
Assembly includes fuel tank, is arranged on the oil pump in fuel tank, connects petroleum pipeline and the control valve of oil pump and hydraulic jack, described oil pump with
Control valve is connected with control assembly and accumulator by cable respectively.
Further, the front end of described work platformses, have sound-insulating covering perpendicular to work platformses are down-set.
Further, described work platformses top face, just adjustable pouring weight is provided with to the position of front axle, rear axle.
Further, described work platformses top face, the position of close work platformses rear end are provided with warning lamp, described
Warning lamp is connected with control assembly by cable.
Further, described control assembly is single-chip microcomputer and its peripheral circuit or plc.
Further, described control chamber is provided with one group of control knob, described control knob passes through cable and control group
Part connects.
The beneficial effects of the utility model are:
1st, this utility model structure is simple, reasonable in design and good using easy to operate, using effect；
2nd, because the multifunction road noise-measuring system that utility model provides is put down using setting lifting on work platformses
Platform, setting emulation tire on hoistable platform, this utility model can be by trailer traction on the road surface that outdoor constructs, accurately
Test road surface running vehicle noise, and laboratory test can be passed through after correction, and then Accurate Prediction ground surface material is in actually used mistake
Journey middle rolling car noise；
When the 3rd, being limited by transportation condition or other conditions can field investigation and sampling, ground surface material noise level can be carried out indoors
Test, improves motility and the multiformity of means of testing；
4th, this utility model can pass through sprinkler tip, detects driving noise under different situations for the road surface, multiple functional, can
In ground surface material noise level field tests popularization and application；
5th, this utility model has sound-insulating covering in the front end of work platformses, perpendicular to work platformses are down-set, by dragging
When car is pulled in outdoor test, the noise being produced by the tire of tractor can be intercepted, and then improve the degree of accuracy of test；
6th, this utility model, can in work platformses top face, be just provided with adjustable pouring weight to the position of front axle, rear axle
With the weight by adjusting balancing weight, in the case of testing different load-carryings, the noise that wheel produces on test road surface；
7th, this utility model is provided with warning lamp in work platformses top face, near the position of work platformses rear end,
During outdoor test noise, front vehicle can be warned, it is to avoid security incident occurs.
To sum up, it is simple, reasonable in design that a kind of multifunction road noise-measuring system that this utility model provides has structure
And good using easy to operate, using effect, the noise level of indoor and outdoor ground surface material can be carried out with the test of system and research
Advantage.
Brief description
Fig. 1 is a kind of perspective view of multifunction road noise-measuring system that this utility model provides.
Fig. 2 is a kind of side structure schematic view of multifunction road noise-measuring system that this utility model provides.
Fig. 3 is a kind of overlooking the structure diagram of multifunction road noise-measuring system that this utility model provides.
In figure: 1, work platformses；2nd, front axle；3rd, rear axle；4th, wheel；5th, control chamber；6th, hoistable platform；7th, emulate tire；
8th, motor；9th, drive link；10th, noise-measuring instrument；11st, accumulator；12nd, connecting rod；13rd, sprinkler tip；14th, water tank；15、
Hydraulic jack；16th, power station assembly；17th, sound-insulating covering；18th, adjustable pouring weight；19th, warning lamp；20th, control knob.
Specific embodiment
In specific embodiment of the present utility model involved around, the description of upper and lower orientation, with description
It is shown as reference in Fig. 1 of accompanying drawing.
As shown in Fig. 1 ~ 3, a kind of multifunction road noise-measuring system, including the work platformses 1 of plate-like structure, in work
Make the bottom surface of platform 1, the front end of work platformses 1 is provided with front axle 2, in the bottom surface of work platformses 1, near work platformses 1
Rear end is provided with rear axle 3, and the left and right two ends of front axle 2 and rear axle 3 are each provided with a wheel 4 by bearing；Push up in work platformses 1
Above face, just the position of front axle 2, rear axle 3 is provided with adjustable pouring weight 18；Put down in the front end of work platformses 1, perpendicular to work
Platform 1 is down-set sound-insulating covering 17；Control chamber 5 is provided with work platformses 1, arrange in control chamber 5 promising single-chip microcomputer and its
Peripheral circuit or the control assembly of plc composition；Hoistable platform 6, the work immediately below hoistable platform 6 are provided with work platformses 1
Make to be provided with opening at platform 1, the lower section of hoistable platform 6 is provided with testing wheel, the outer sheath of testing wheel equipped with emulation tire 7,
It is provided with the motor 8 for driving testing wheel to rotate, the main shaft of motor 8 is connected with drive link above hoistable platform 6
9, drive link 9 is connected with the central shaft of testing wheel, specifically between the free end of one end of the central shaft of testing wheel and drive link 9
Connected by bevel gear；The lower section of hoistable platform 6, be located at testing wheel side be provided with noise-measuring instrument 10；Hoistable platform 6
It is provided with lifting assembly and work platformses 1 between, lifting assembly is connected with control assembly by cable, lifting assembly is used for driving
Hoistable platform 6 does lifting action with respect to work platformses 1, and this lifting assembly includes the hydraulic pressure of one group of vertical operation platform 1 setting
Oil cylinder 15, is fixedly connected between the top of the piston rod of hydraulic jack 15 and hoistable platform 6, the bottom of the cylinder barrel of hydraulic jack 15
It is fixedly connected between work platformses 1, the top of work platformses 1 is additionally provided with the power station for driving hydraulic jack 15 action
Assembly 16, power station assembly 16 includes fuel tank, is arranged on the oil pump in fuel tank, connect the petroleum pipeline of oil pump and hydraulic jack 15 with
Control valve；Accumulator 11 is provided with work platformses 1；The front end of work platformses 1 is provided with sprinkler tip 13, on work platformses 1
Be provided with water tank 14 and the water-supply-pipe and the water pump that connect water tank 14 and sprinkler tip 13, water pump pass through cable and accumulator 11 and
Control assembly connects, and noise-measuring instrument 10, motor 8 be connected with control assembly by cable, control assembly by cable and
Accumulator 11 connects, and oil pump is connected with control assembly and accumulator 11 by cable respectively with control valve；The front end of work platformses 1
It is provided with connecting rod 12；Work platformses 1 top face, the position of close work platformses 1 rear end are provided with warning lamp 19, warning lamp
19 are connected with control assembly by cable；It is additionally provided with motor speed actuator in control chamber 5, this motor speed actuator passes through
Cable is connected with control assembly, for adjusting the rotating speed of motor 8, is provided with one group of control knob 20 on control chamber 5, control
Button 20 processed is connected with control assembly by cable, and this group control knob 20 includes warning lamp 19 and switchs, and motor 8 starts/
Closing switch, motor speed actuator selecting switch, lifting assembly controlling switch, water pump controlling switch.
The work process of the multifunction road noise-measuring system that this utility model provides is as described below:
During outdoor measurement, detection means is connected to tractor afterbody using connecting rod 12, opens warning lamp 19 and switch, lead
Draw vehicle to travel on road surface to be checked with friction speed, dry pavement under different travel speeds is tested using noise-measuring instrument 10
Noise level, recording detection data v1, v2, v3, v4 after travel speed is stable, the noise in given travel speed for this section
Level is vnkm/h=(v1+v2+v3+v4)/4；Water pump is controlled to pass through sprinkler tip 13 before wheel 4 using water pump controlling switch
Water spray, you can noise level under dampness for the detection road surface in vehicle travel process, records after travel speed is stable
Detection data v1, v2, v3, v4, the noise level in given travel speed for this section be vnkm/h ,=(v1 ,+v2 ,+
V3 ,+v4)/4；Tractor opens hoistable platform 6 controlling switch after stopping, and so that hoistable platform 6 is fallen so as to emulate tire 7 saturating
The opening crossed on work platformses 1 contacts road surface to be checked, opens motor start switch and makes emulation tire 7 rotate row on road surface
Sail, recording detection data v5.During indoor detection, shaping test piece or emulation tire is placed on by road surface to be checked cutting sampling indoors
7 bottoms, open hoistable platform 6 controlling switch so that emulation tire 7 contacts road surface to be checked, open motor start switch and make to imitate
True tire 7 rotates traveling on road surface, and record emulates noise-measuring instrument 10 detection data v5 on tire 7,.
Test sample 1
Detection means is connected to tractor afterbody using connecting rod 12, opens warning lamp 19 and switch, towing vehicle with
The speed of 60km/h travels on road surface to be checked, tests the noise of dry pavement under different travel speeds using noise-measuring instrument 10
Level, recording detection data v1, v2, v3, v4 after travel speed is stable, the noise level in given travel speed for this section
For v60km/h=(v1+v2+v3+v4)/4；Towing vehicle is travelled on road surface to be checked with the speed of 80km/h, using noise testing
The noise level of dry pavement under different travel speeds tested by instrument 10, after travel speed is stable recording detection data v1, v2,
V3, v4, the noise level in given travel speed for this section is v80km/h=(v1+v2+v3+v4)/4；Towing vehicle with
The speed of 100km/h travels on road surface to be checked, tests making an uproar of dry pavement under different travel speeds using noise-measuring instrument 10
Sound level, recording detection data v1, v2, v3, v4 after travel speed is stable, the noise water in given travel speed for this section
Put down as v100km/h=(v1+v2+v3+v4)/4.
Test sample 2
Detection means is connected to tractor afterbody using connecting rod 12, opens warning lamp 19 and switch, towing vehicle with
The speed of 60km/h travels on road surface to be checked, opens water system and switchs so that sprinkler tip 13 is sprayed water, using noise testing
The noise level of wet road surface under different travel speeds tested by instrument 10, after travel speed is stable recording detection data v1, v2,
V3, v4, the noise level in given travel speed for this section is v60km/h=(v1+v2+v3+v4)/4；Towing vehicle with
The speed of 80km/h travels on road surface to be checked, tests the noise of wet road surface under different travel speeds using noise-measuring instrument 10
Level, recording detection data v1, v2, v3, v4 after travel speed is stable, the noise level in given travel speed for this section
For v80km/h=(v1+v2+v3+v4)/4；Towing vehicle is travelled on road surface to be checked with the speed of 100km/h, is surveyed using noise
The noise level of wet road surface under different travel speeds tested by examination instrument 107, after travel speed is stable recording detection data v1,
V2, v3, v4, the noise level in given travel speed for this section is v100km/h=(v1+v2+v3+v4)/4.
Test sample 3
In same detection section, tractor is opened warning lamp 19 after stopping and is switched, open elevator down switch 12 so that
Emulation tire 7 contacts road surface to be checked, opens motor start switch, adjusts motor speed actuator so that emulating the traveling of tire 7
Speed is 60km/h, recording detection data v60km/h after motor speed is stable, adjusts motor speed actuator so that emulating
The travel speed of tire 7 is 80km/h, recording detection data v80km/h after motor speed is stable, adjusts motor speed and adjusts
Device so that the travel speed of emulation tire 7 is 100km/h, recording detection data v100km/h after motor speed is stable, thus
The road rumble level when emulating tire 7 effect for the road surface can be detected, made an uproar with vehicle tyre with setting up emulation tire 7 noise level
The relation of sound level.
Test sample 4
During indoor detection, indoors shaping test piece or by road surface to be checked cutting sampling be placed on emulation tire 7 bottom, open
Elevator down switch, so that emulation tire 7 contacts ground surface material to be checked, is opened motor start switch and emulation tire 7 is existed
On ground surface material, rotation travels, and adjusts motor speed actuator so that the travel speed of emulation tire 7 is 60km/h, treats motor
Recording detection data v60km/h ' ' after stabilization of speed, emulation tire 7 noise level assumes logarithm with vehicle tire noise level
Relation, can learn that this ground surface material noise level in use is about v=3.5596ln(v60km/h ' ')+77.174；
Adjust motor speed actuator so that the travel speed of emulation tire 7 is 80km/h, record detection number after motor speed is stable
According to v80km/h ' ', can learn that this ground surface material noise level in use is about v=3.5596ln(v80km/h ' ')+
77.174；Adjust motor speed actuator so that the travel speed of emulation tire 7 is 100km/h, treat that motor speed stablizes postscript
Record detection data v100km/h ' ', can learn that this ground surface material noise level in use is about v=3.5596ln
(v100km/h ' ')+77.174.
From above specific embodiment, a kind of multifunction road noise-measuring system that this utility model provides has
Structure is simple, reasonable in design and good using easy to operate, using effect, can be to the noise level system of indoor and outdoor ground surface material
The test of system and the advantage of research.
Claims (8)
1. a kind of multifunction road noise-measuring system it is characterised in that: include work platformses, the bottom surface of work platformses, close
The front end of work platformses is provided with front axle, and the bottom surface of work platformses, close work platformses rear end are provided with rear axle, front axle and rear axle
Left and right two ends one wheel is each provided with by bearing；Control chamber is provided with described work platformses, is provided with control chamber
Control assembly；Hoistable platform is provided with work platformses, at the work platformses immediately below hoistable platform, is provided with opening, lifting is flat
The lower section of platform is provided with testing wheel, and the outer sheath of testing wheel, equipped with emulation tire, is provided with above hoistable platform and surveys for driving
The motor that examination wheel rotates, the main shaft of described motor is connected with drive link, the central shaft of described drive link and testing wheel
Connect；The lower section of described hoistable platform, be located at testing wheel side be provided with noise-measuring instrument；Described hoistable platform is flat with work
It is provided with lifting assembly, lifting assembly is connected with control assembly by cable, described lifting assembly is used for driving lifting between platform
Platform does lifting action with respect to work platformses；It is provided with accumulator on described work platformses；Described noise-measuring instrument, driving electricity
Machine is connected with control assembly by cable, and described control assembly is connected with accumulator by cable；The front end of described work platformses
It is provided with connecting rod.
2. multifunction road noise-measuring system according to claim 1 it is characterised in that: the front end of described work platformses
It is provided with sprinkler tip, work platformses are provided with water tank and the water-supply-pipe and the water pump that connect water tank and sprinkler tip, described
Water pump is connected with accumulator and control assembly by cable.
3. multifunction road noise-measuring system according to claim 1 and 2 it is characterised in that: described lifting assembly bag
Include the hydraulic jack of one group of vertical operation platform setting, fixing between the top of the piston rod of described hydraulic jack and hoistable platform
Connect, be fixedly connected between the bottom of the cylinder barrel of described hydraulic jack and work platformses, the top of described work platformses also sets up
There is the power station assembly for driving hydraulic jack action, described power station assembly includes fuel tank, is arranged on the oil pump in fuel tank,
The petroleum pipeline of connection oil pump and hydraulic jack and control valve, described oil pump and control valve pass through cable and control assembly and storage respectively
Battery connects.
4. multifunction road noise-measuring system according to claim 3 it is characterised in that: before described work platformses
End, there is sound-insulating covering perpendicular to work platformses are down-set.
5. multifunction road noise-measuring system according to claim 3 it is characterised in that: on described work platformses top surface
Just, just adjustable pouring weight is provided with to the position of front axle, rear axle.
6. multifunction road noise-measuring system according to claim 3 it is characterised in that: on described work platformses top surface
Side, the position of close work platformses rear end are provided with warning lamp, and described warning lamp is connected with control assembly by cable.
7. multifunction road noise-measuring system according to claim 3 it is characterised in that: described control assembly be monolithic
Machine and its peripheral circuit or plc.
8. multifunction road noise-measuring system according to claim 7 it is characterised in that: be provided with described control chamber
One group of control knob, described control knob is connected with control assembly by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804541.4U CN205919895U (en) | 2016-07-28 | 2016-07-28 | Multi -functional road surface noise test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804541.4U CN205919895U (en) | 2016-07-28 | 2016-07-28 | Multi -functional road surface noise test device |
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| Publication Number | Publication Date |
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| CN205919895U true CN205919895U (en) | 2017-02-01 |
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ID=57873627
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| CN201620804541.4U Active CN205919895U (en) | 2016-07-28 | 2016-07-28 | Multi -functional road surface noise test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153187A (en) * | 2016-07-28 | 2016-11-23 | 河南万里路桥集团股份有限公司 | A kind of multifunction road noise-measuring system |
| CN110441076A (en) * | 2018-05-03 | 2019-11-12 | 上汽通用汽车有限公司 | Mute trailer |
-
2016
- 2016-07-28 CN CN201620804541.4U patent/CN205919895U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153187A (en) * | 2016-07-28 | 2016-11-23 | 河南万里路桥集团股份有限公司 | A kind of multifunction road noise-measuring system |
| CN110441076A (en) * | 2018-05-03 | 2019-11-12 | 上汽通用汽车有限公司 | Mute trailer |
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| CP03 | Change of name, title or address |
Address after: 461000 Yongchang West Road, Henan, Xuchang Patentee after: Henan Wanli Transportation Technology Group Co., Ltd. Address before: Xuchang City, Henan Province, Wei Wen Road and 461000 Xuefu street intersection Patentee before: HENAN WANLI ROAD&BRIDGE GROUP CO., LTD. |