CN2526781Y - Multifunctional laser detector for planeness of road surface - Google Patents
Multifunctional laser detector for planeness of road surface Download PDFInfo
- Publication number
- CN2526781Y CN2526781Y CN 02224466 CN02224466U CN2526781Y CN 2526781 Y CN2526781 Y CN 2526781Y CN 02224466 CN02224466 CN 02224466 CN 02224466 U CN02224466 U CN 02224466U CN 2526781 Y CN2526781 Y CN 2526781Y
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- China
- Prior art keywords
- vehicle frame
- laser
- unit
- laser displacement
- housing vehicle
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Abstract
The utility model relates to a multi-function laser detection device for detecting the evenness of the road surface, the device is provided with an outer framework with walking wheels. A rigid detection beam under which a plurality of laser displacement sensors are arranged is hung on the inner circumference of the outer framework through a plurality of springy shock-absorbing objects. A hinge folding draw frame, a withdrawing shading protection panel and so on are also arranged on the outer framework. The utility model adopts a datum transferring measuring method and detects the road surface through full optical laser displacement sensors. The laser displacement sensors detect the distance to the surface while the device moves. The collected data is received and stored by a computer directly after preprocessed by an interface control case. The product has the advantages of low price, convenient use, fast, objective and accurate detection and high efficiency, etc.
Description
Technical field
The utility model belongs to road quality detection technique field, relates to a kind of pick-up unit of estimating surface evenness that is used to detect.
Background technology
Surface evenness is a very important index of checking and accepting road engineering, occupies crucial status in highway construction quality assessment and use maintenance management.How to realize that quick, objective, accurate, high-level efficiency detects and the evaluation surface evenness, be the problem that departments such as highway construction, quality supervision examination, maintenance management and scientific research pay close attention to for a long time always.Though at present by external development and be that the laser evenness detector performance generally used is more advanced, it costs an arm and a leg, safeguards inconvenience, and service condition is also had the requirement of strictness; It is domestic that to be used for the instrument and equipment kind that surface evenness detects more, comprise three meters ruler manual inspection devices, continuous formation degree detectors and jolt accumulation detector etc., the detection method difference is bigger, its main deficiency that exists separately is respectively: the result of (1), three meters ruler manual inspection of employing is influenced greatly by human factor, detection efficiency is low, should not detect on current road surface; (2), the influence of the examined speed of result of employing continuous formation instrument detection is bigger, repeated bad; (3), need the special train special use when adopting the accumulation instrument that jolts to detect, staking-out work is loaded down with trivial details.
The utility model content
The purpose of this utility model is to overcome the deficiency that present surface evenness detecting instrument equipment exists, so provide a kind of rational in infrastructure, price is low, operation, safeguard, keeping is convenient and the high multifunctional laser pavement flatness pick-up unit of detection efficiency.
Be used to realize that the technical solution of foregoing invention purpose is such: the multifunctional laser pavement flatness pick-up unit that is provided has a wheeled housing vehicle frame, be provided with a rigidity in the centre of housing vehicle frame by plurality of elastic vibration damping thing (as spring, high elasticity sponge, vibration damper etc.) suspension and detect beam, be interval with 5 laser displacement sensors in detection beam lower end by certain position, on housing vehicle frame support body, also be provided with interface control box and the power supply that electrically connects with laser displacement sensor.Device described in the utility model is different from the present existing surface evenness pick-up unit in this area, it adopts benchmark to transmit detection method and detects by full optical profile type laser displacement sensor road pavement, when this surface evenness pick-up unit to overtake the time, 5 laser displacement sensors that vehicle frame is divided into detect the distance of sensor to the road surface simultaneously, the variation of distance can reflect the rough degree on road surface, sampling interval on the running section is determined by the range sensor that is installed on road wheel and the bent axle, the data that 5 laser displacement sensors collect are directly received by computing machine after the pre-service of interface control box, storage.Detect beam and be suspended in the housing central frame beam by the elastic damping thing, in the testing process regardless of degree apart from length, speed of a motor vehicle speed and external interference factor (comprise road vibration, jolt, impact etc.), testing result can not be affected, and has reached quick, objective, accurate, high efficiency detection requirement.
Description of drawings
Fig. 1 is the side direction structural representation of a specific embodiment of the utility model.
Fig. 2 bows to structural representation for this embodiment's.
Embodiment
Referring to accompanying drawing, multifunctional laser pavement flatness pick-up unit described in the utility model comprises that housing vehicle frame 11, road wheel 3, rigidity detect beam 6, laser displacement sensor 4 and parts such as interface control box, power supply.
Detecting beam 6 is a truss-frame structure, it is whole detection device " station meter ", in order to reduce to detect the distortion that beam causes owing to road bump, vibration, impact in the transportation and the testing process of travelling, detect beam 6 is suspended in housing vehicle frame 11 by shock-absorbing spring 5, sponge etc. centre in the design proposal.Be used to measure and detect beam 6 and be installed in the below of detecting beam 6 to 5 laser displacement sensors 4 of the vertical distance value in road surface, their mounting distance positions each other are to be mutually related, its apart between proportionate relationship be:
L
1，5＝N*L
1，2＝N*L
4，5＝2N*L
3，5＝2N*L
1，3，
L
1,2=M* δ, M, N are positive integer in the formula, and N 〉=5, M 〉=2, δ is a sampling interval, L
1,5Be the spacing of five laser displacement sensors of first laser displacement sensor to the, all the rest may be inferred for all the other.During pick-up unit work, along with vehicle frame 11 is walked forward along tested road surface, 5 laser displacement sensor 4 samplings simultaneously under the triggering of range pulse, sampled data can obtain surface evenness index such as international roughness index (IRI) etc. by computer recording and after handling.
Housing vehicle frame 11 member for being used to connect road wheel 8 and required various zero, the annex of surface evenness detection system being installed.Front end at vehicle frame 11 is provided with the hinge convertible hitch frame 1 that is used to connect tractor, hitch frame 1 is designed to the protecting against shock shock-damping structure, its one-piece construction can be packed up fixing, its traction hook can be replaced with difform hook according to dissimilar tractor needs, when hitch frame 1 is packed up, set hitch frame holder 10 fixing and lockings on the available vehicle frame.Respectively be provided with the drawing and pulling type shading fender 2 (calling pull plate in the following text) of a tight mechanism with lock in the bottom of housing vehicle frame 11 rear and front ends; pull plate 2 is designed to double-deck drawing structure; wherein header board is long; back plate is short slightly; can be used for after pull plate 2 draws back blocking the direct projection of sunshine and reducing the influence of parasitic light, after pull plate 2 folds, then can play the effect of proofing dust and protecting laser displacement sensor 4 to laser displacement sensor 4.For transportation and traffic safety and be convenient to transportation loading and unloading, design has bumper in housing vehicle frame 11 front and back ends, and the rear end bumper is provided with support bar, and warning lamp 12 is housed on the support bar, is convenient to prompting pedestrian or other driving vehicle when detecting.In addition, move and storage support for ease of artificial push-and-pull, also but each designs the universal wheel 3 that an oscilaltion is arranged to pick-up unit described in the utility model in housing vehicle frame 11 front end both sides, when the device by the time, by rolling over crank universal wheel 3 is packed up, when need push-and-pull or storing unit, just universal wheel 3 can be fallen.
For supporting with the garage travelling wheel of standard and reduce because of road bump and impact influence to the housing vehicle frame, the utility model adopts the class shown in sequence number among Fig. 27
The vibration damping of word shape supports the back shaft that bent axle is connected with road wheel 8 as housing vehicle frame 11, the two ends of this bent axle 7 is fixing by double-shock absorber 9 respectively, center section and housing vehicle frame 11 adopt hinge to fix, road wheel 8 is installed in housing vehicle frame 11 both sides by this bent axle 7, is equipped with to be used to measure travel distance and control collection sample range sensor (as Hall element) assembly at interval on road wheel 8 and bent axle 7.
Claims (6)
1, a kind of multifunctional laser pavement flatness pick-up unit, it is characterized in that having the housing vehicle frame (11) of a band road wheel (8), be provided with a rigidity in the centre of housing vehicle frame (11) by the suspension of plurality of elastic vibration damping thing and detect beam (6), be interval with 5 laser displacement sensors (4) in detection beam (6) lower end by certain position, on housing vehicle frame (11) support body, also be provided with interface control box and the power supply that is electrically connected with laser displacement sensor (6).
2, multifunctional laser pavement flatness pick-up unit as claimed in claim 1 is characterized in that 5 laser shift sensor (4) interval location and satisfy relational expression:
L
1，5＝N*L
1，2＝N*L
4，5＝2N*L
3，5＝2N*L
1，3，
L
1,2=M* δ, wherein M, N are positive integer, and N 〉=5, M 〉=2, δ is a sampling interval, L
1,5Be the spacing of five laser displacement sensors of first laser displacement sensor to the, all the rest may be inferred for all the other.
3, multifunctional laser pavement flatness pick-up unit as claimed in claim 1 is characterized in that being provided with hinge convertible hitch frame (1) at housing vehicle frame (11) front end.
4, multifunctional laser pavement flatness pick-up unit as claimed in claim 1 is characterized in that the bottom in housing vehicle frame (11) rear and front end respectively is provided with the drawing and pulling type shading fender (2) of a tight mechanism with lock.
5, multifunctional laser pavement flatness pick-up unit as claimed in claim 1 is characterized in that road wheel (8) supports bent axle (7) by vibration damping and is installed in housing vehicle frame (11) both sides.
6, multifunctional laser pavement flatness pick-up unit as claimed in claim 1 is characterized in that housing vehicle frame (11) front end road wheel is lift universal wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224466 CN2526781Y (en) | 2002-01-25 | 2002-01-25 | Multifunctional laser detector for planeness of road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02224466 CN2526781Y (en) | 2002-01-25 | 2002-01-25 | Multifunctional laser detector for planeness of road surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2526781Y true CN2526781Y (en) | 2002-12-18 |
Family
ID=33701874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02224466 Expired - Fee Related CN2526781Y (en) | 2002-01-25 | 2002-01-25 | Multifunctional laser detector for planeness of road surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2526781Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419810C (en) * | 2006-11-28 | 2008-09-17 | 武汉理工大学 | Device for collecting information of road section |
| CN100430692C (en) * | 2006-08-30 | 2008-11-05 | 河南省高远公路养护设备有限公司 | Laser depth measuring instrument for pavement structure |
| CN101914889A (en) * | 2010-08-10 | 2010-12-15 | 武汉武大卓越科技有限责任公司 | Laser evenness measuring system and method based on acceleration compensation |
| CN102636364A (en) * | 2012-04-01 | 2012-08-15 | 周志祥 | Vehicular safety monitoring system for shapes and structures of bridge floors and detection method |
| CN103038154A (en) * | 2010-08-18 | 2013-04-10 | 罗伯特·博世有限公司 | Method and device for determining a travel height of a working machine |
| TWI409429B (en) * | 2007-11-09 | 2013-09-21 | Hon Hai Prec Ind Co Ltd | Apparatus and method for measuring planeness |
| CN105241420A (en) * | 2015-10-13 | 2016-01-13 | 韩旭 | Movable type pavement flatness online measuring device and working method thereof |
| CN106546716A (en) * | 2016-10-21 | 2017-03-29 | 钟立朋 | A kind of mixed mud carrying out flaw detection car |
-
2002
- 2002-01-25 CN CN 02224466 patent/CN2526781Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430692C (en) * | 2006-08-30 | 2008-11-05 | 河南省高远公路养护设备有限公司 | Laser depth measuring instrument for pavement structure |
| CN100419810C (en) * | 2006-11-28 | 2008-09-17 | 武汉理工大学 | Device for collecting information of road section |
| TWI409429B (en) * | 2007-11-09 | 2013-09-21 | Hon Hai Prec Ind Co Ltd | Apparatus and method for measuring planeness |
| CN101914889A (en) * | 2010-08-10 | 2010-12-15 | 武汉武大卓越科技有限责任公司 | Laser evenness measuring system and method based on acceleration compensation |
| CN103038154A (en) * | 2010-08-18 | 2013-04-10 | 罗伯特·博世有限公司 | Method and device for determining a travel height of a working machine |
| CN102636364A (en) * | 2012-04-01 | 2012-08-15 | 周志祥 | Vehicular safety monitoring system for shapes and structures of bridge floors and detection method |
| CN102636364B (en) * | 2012-04-01 | 2015-04-15 | 周志祥 | Vehicular safety monitoring system for shapes and structures of bridge floors and detection method |
| CN105241420A (en) * | 2015-10-13 | 2016-01-13 | 韩旭 | Movable type pavement flatness online measuring device and working method thereof |
| CN105241420B (en) * | 2015-10-13 | 2017-07-25 | 韩旭 | A kind of movable road surface flatness on-line determination equipment and its method of work |
| CN106546716A (en) * | 2016-10-21 | 2017-03-29 | 钟立朋 | A kind of mixed mud carrying out flaw detection car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANXI CHANGDA HUI TONG EQUIPMENT AND TECHNOLOGY Free format text: FORMER OWNER: SONG HONGXUN Effective date: 20060623 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060623 Address after: 710064, Shaanxi, Xi'an Province, south middle ring, Chang'an University, school based testing center, two floor Patentee after: Shaanxi Tonghui up equipment Technology Co. Address before: 710054, Li Zhongqun, Shaanxi patent center, 11 Yanta Road, Shaanxi, Xi'an Patentee before: Song Hongxun |
|
| 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 |