CN105155396A - Piezoelectric dynamic detector for irregularity of road surface - Google Patents
Piezoelectric dynamic detector for irregularity of road surface Download PDFInfo
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- CN105155396A CN105155396A CN201510507339.5A CN201510507339A CN105155396A CN 105155396 A CN105155396 A CN 105155396A CN 201510507339 A CN201510507339 A CN 201510507339A CN 105155396 A CN105155396 A CN 105155396A
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- mandrel
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- wheel
- uneven road
- measuring instrument
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a piezoelectric dynamic detector for the irregularity of a road surface. The piezoelectric dynamic detector aims at solving the problems that at present, the irregularity of the road surface is mainly measured through a meter ruler manually, efficiency is low, accuracy is poor, and the labor intensity of workers is large. The piezoelectric dynamic detector for the irregularity of the road surface is mainly composed of a wheel (1), a mandrel (2), a piezoelectric ring (3) and counter weights (4). The piezoelectric dynamic detector for the irregularity of the road surface is simple in structure, high in detection accuracy, small in accumulation error, complete in function, easy and convenient to operate, easy to install, high in universality, lower in cost, reliable in performance and capable of meeting the requirement of a road surface detection industry for detecting the irregularity of the road surface.
Description
Technical field
The present invention relates to a kind of checkout equipment of highway detection field, in particular, it relates to a kind of Uneven road along piezoelectricity dynamic measuring instrument.
Background technology
For ensureing the safety traffic of automobile, realize the efficient, comfortable and safe of road transport, carrying out the suitable measurement of Uneven road is one of main test item of highway detection field.At present, the measurement of road pavement irregularity mainly rests on manual meter ruler and measures, and efficiency is low, low precision, and intensity of workers is large.Adopt piezo-electric effect measuring technique to detect highway irregularity and be expected to solve above technical bottleneck owing to having the features such as quick, accurate and high reliability, significant for the certainty of measurement and automaticity improving highway irregularity.The piezoelectric ring of the present invention between wheel and mandrel is as the suitable induction element of Uneven road, adopt two weights to apply vertical load to mandrel, enable road surface be delivered to good being delivered on piezoelectric ring and generating Uneven road along signal of the load in wheel center hole.System architecture is simple, is convenient to processing, uses and transport, improve the degree of accuracy of Uneven road along measurement result, significant to the technological progress of highway detection field.
Summary of the invention
The present invention is directed to and adopt at present manual meter ruler to measure the suitable present situation of Uneven road, devise a kind of by the piezoelectric ring between wheel and mandrel as the suitable induction element of Uneven road, with two weights to mandrel applying vertical load, structure is simple, accuracy of detection is high, accumulated error is little, function is complete, easy and simple to handle, be easy to that installation, highly versatile, cost are lower, the Uneven road of the met highway detection industry road pavement testing requirement of dependable performance is along piezoelectricity dynamic measuring instrument.
Consult Fig. 1 to Fig. 5, for solving the problems of the technologies described above, the present invention adopts following technical scheme to be achieved.Uneven road provided by the present invention includes wheel, mandrel, piezoelectric ring and weight along piezoelectricity dynamic measuring instrument.
The outer ring sleeve of piezoelectric ring is contained in the inside of wheel inner holes and is connected with wheel inner holes interference fit, mandrel passes the endoporus of piezoelectric ring and is connected with piezoelectric ring matched in clearance, one side end face of piezoelectric ring coordinates with the shaft shoulder end plane-plane contact in the middle part of mandrel, the opposite side end face of piezoelectric ring coordinates with the round nut end plane-plane contact be sleeved in the middle part of mandrel on screw thread, the two ends that the annulus on two weight tops is set in mandrel are connected with mandrel matched in clearance, weight one side end face coordinates with the shaft shoulder end plane-plane contact at mandrel two ends, the opposite side end face of weight coordinates with the nut end plane-plane contact being sleeved on mandrel two ends.
Wheel described in technical scheme is standard automobile wheel.
Mandrel described in technical scheme is stepped cylindrical type part, and two ends and the middle part of mandrel are processed with screw thread.
Piezoelectric ring described in technical scheme is the ring-shape accessory made by piezoelectric ceramics.
The part of the weight described in technical scheme is top to be annular bottom be inverted T-shaped.
The invention has the beneficial effects as follows:
(1) the present invention adopts the actual conditions that standard automobile simulated wheel automobile runs on road surface, adopts piezoelectric ring to realize the conversion of irregularity signal to the signal of telecommunication, can obtain higher measuring speed and certainty of measurement.
(2) the present invention adopts two weights to be sleeved on the structure of mandrel, makes mandrel and piezoelectric ring close contact, improve reliability and the accuracy of measurement by the gravity of weight.
(3) major part of the present invention adopts etalon steel to process, and first, standard steel section output is large, and machining operation is few, and make simple, cost of production is lower; Secondly, as the important accessory of measuring apparatus, adopt standard steel section to have certain intensity, can be indeformable in Long-Time Service, ensure the precision measured, the requirement of national standard to certainty of measurement can be met.
Accompanying drawing explanation
Fig. 1 is the forward direction axonometric drawing of Uneven road along piezoelectricity dynamic measuring instrument;
Fig. 2 is the backward axonometric drawing of Uneven road along piezoelectricity dynamic measuring instrument;
Fig. 3 is the axonometric drawing of Uneven road along the piezoelectric ring 3 of piezoelectricity dynamic measuring instrument;
Fig. 4 is the axonometric drawing of Uneven road along the mandrel 2 of piezoelectricity dynamic measuring instrument;
Fig. 5 is the axonometric drawing of Uneven road along the weight 4 of piezoelectricity dynamic measuring instrument;
In figure: 1. wheel, 2. mandrel, 3. piezoelectric ring, 4. weight.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Consult Fig. 1 to Fig. 5, Uneven road includes wheel 1, mandrel 2, piezoelectric ring 3 and weight 4 along piezoelectricity dynamic measuring instrument.
Wheel 1 is standard automobile wheel, piezoelectric ring 3 is the ring-shape accessory made by piezoelectric ceramics, the outer ring sleeve of piezoelectric ring 3 is contained in the inside of wheel 1 endoporus and is connected with wheel 1 endoporus interference fit, mandrel 2 is stepped cylindrical type part, two ends and the middle part of mandrel 2 are processed with screw thread, mandrel 2 passes the endoporus of piezoelectric ring 3 and is connected with piezoelectric ring 3 matched in clearance, one side end face of piezoelectric ring 3 coordinates with the shaft shoulder end plane-plane contact in the middle part of mandrel 2, the opposite side end face of piezoelectric ring 3 coordinates with the round nut end plane-plane contact be sleeved in the middle part of mandrel 2 on screw thread, the part of weight 4 is tops to be annular bottom be inverted T-shaped, the two ends that the annulus on two weight 4 tops is set in mandrel 2 are connected with mandrel 2 matched in clearance, weight 4 one side end face coordinates with the shaft shoulder end plane-plane contact at mandrel 2 two ends, the opposite side end face of weight 4 coordinates with the nut end plane-plane contact being sleeved on mandrel 2 two ends.
Uneven road is along the using method of piezoelectricity dynamic measuring instrument: fixed along the mandrel of piezoelectricity dynamic measuring instrument and bumper by Uneven road, automobile drives Uneven road along the vehicle wheel rotation of piezoelectricity dynamic measuring instrument at road traveling to be measured, Uneven road presses road surface along the wheel of piezoelectricity dynamic measuring instrument under the effect of weight, the load irregularity on road surface is delivered on the piezoelectric ring between wheel and mandrel by wheel, clockwise for the Uneven road signal of telecommunication that is changed to exports by the piezoelectric ring with piezo-electric effect, completes the mensuration that Uneven road is suitable.
Claims (5)
1. Uneven road is along a piezoelectricity dynamic measuring instrument, it is characterized in that, described Uneven road is made up of with weight (4) wheel (1), mandrel (2), piezoelectric ring (3) along piezoelectricity dynamic measuring instrument;
The outer ring sleeve of piezoelectric ring (3) is contained in the inside of wheel (1) endoporus and is connected with wheel (1) endoporus interference fit, mandrel (2) through piezoelectric ring (3) endoporus and be connected with piezoelectric ring (3) matched in clearance, one side end face of piezoelectric ring (3) coordinates with the shaft shoulder end plane-plane contact at mandrel (2) middle part, the opposite side end face of piezoelectric ring (3) coordinates with the round nut end plane-plane contact be sleeved on the screw thread of mandrel (2) middle part, the two ends that the annulus on two weight (4) tops is set in mandrel (2) are connected with mandrel (2) matched in clearance, weight (4) one side end face coordinates with the shaft shoulder end plane-plane contact at mandrel (2) two ends, the opposite side end face of weight (4) coordinates with the nut end plane-plane contact being sleeved on mandrel (2) two ends.
2. according to Uneven road according to claim 1 along piezoelectricity dynamic measuring instrument, it is characterized in that described wheel (1) is standard automobile wheel.
3. according to Uneven road according to claim 1 along piezoelectricity dynamic measuring instrument, it is characterized in that described mandrel (2) is for stepped cylindrical type part, two ends and the middle part of mandrel (2) are processed with screw thread.
4. according to Uneven road according to claim 1 along piezoelectricity dynamic measuring instrument, it is characterized in that described piezoelectric ring (3) is the ring-shape accessory made by piezoelectric ceramics.
5. according to Uneven road according to claim 1 along piezoelectricity dynamic measuring instrument, it is characterized in that described weight (4) be top to be annular bottom be the part of inverted T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507339.5A CN105155396B (en) | 2015-08-18 | 2015-08-18 | Uneven road is along piezoelectricity dynamic measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510507339.5A CN105155396B (en) | 2015-08-18 | 2015-08-18 | Uneven road is along piezoelectricity dynamic measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105155396A true CN105155396A (en) | 2015-12-16 |
| CN105155396B CN105155396B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510507339.5A Expired - Fee Related CN105155396B (en) | 2015-08-18 | 2015-08-18 | Uneven road is along piezoelectricity dynamic measuring instrument |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246000A (en) * | 2008-03-21 | 2008-08-20 | 哈尔滨工业大学 | Pavement planeness automatic detection device and detecting method |
| CN101319485A (en) * | 2008-07-16 | 2008-12-10 | 张小虎 | Photographing measurement method for detecting highroad pavement planeness |
| CN101619968A (en) * | 2009-07-13 | 2010-01-06 | 北京市路兴公路新技术有限公司 | Method and device for detecting road surface planeness |
| KR20150081586A (en) * | 2014-01-06 | 2015-07-15 | 주식회사 에이엠씨에너지 | Piezoelectric power generating device for road |
| CN204825606U (en) * | 2015-08-18 | 2015-12-02 | 吉林大学 | Not smooth -going piezoelectricity dynamic verification appearance in road surface |
-
2015
- 2015-08-18 CN CN201510507339.5A patent/CN105155396B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246000A (en) * | 2008-03-21 | 2008-08-20 | 哈尔滨工业大学 | Pavement planeness automatic detection device and detecting method |
| CN101319485A (en) * | 2008-07-16 | 2008-12-10 | 张小虎 | Photographing measurement method for detecting highroad pavement planeness |
| CN101619968A (en) * | 2009-07-13 | 2010-01-06 | 北京市路兴公路新技术有限公司 | Method and device for detecting road surface planeness |
| KR20150081586A (en) * | 2014-01-06 | 2015-07-15 | 주식회사 에이엠씨에너지 | Piezoelectric power generating device for road |
| CN204825606U (en) * | 2015-08-18 | 2015-12-02 | 吉林大学 | Not smooth -going piezoelectricity dynamic verification appearance in road surface |
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| Publication number | Publication date |
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| CN105155396B (en) | 2017-04-05 |
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Granted publication date: 20170405 Termination date: 20170818 |