CN105648883A - Automatic deflection detecting device based on pavement - Google Patents
Automatic deflection detecting device based on pavement Download PDFInfo
- Publication number
- CN105648883A CN105648883A CN201610079076.7A CN201610079076A CN105648883A CN 105648883 A CN105648883 A CN 105648883A CN 201610079076 A CN201610079076 A CN 201610079076A CN 105648883 A CN105648883 A CN 105648883A
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- hydraulic cylinder
- load
- hydraulic
- device based
- pavement
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention relates to an automatic deflection detecting device based on a pavement. The automatic deflection detecting device comprises a load adjusting system, an automatic Benkelman beam extending-retracting and moving system and an automatic data collecting and analyzing system. The load adjusting system comprises that a weighing fixed load carrier (9) and a movable load carrier (6) are arranged in a back carriage. The four corners of the weighing fixed load carrier (9) are each provided with a column type pressure sensor (17). Two fixed constant value weight blocks (18) are placed on the left side and the right side of the weighing fixed load carrier (9) correspondingly. Four movable constant value weight blocks (7) are placed on the weighing fixed load carrier (9). By means of the automatic deflection detecting device based on the pavement, the vehicle load can be controlled to be 7.5 T which is half of the load weight of an existing automatic deflection detecting van, and vehicle oil consumption is reduced.
Description
Technical field
The invention belongs to Pavement Performance valuator device technical field, relate to a kind of automatic checkout system utilizing backman beam method test road surface rebound deflection, a kind of pavement deflection automatic detection device based on DFL1160BX7A vehicle specifically.
Background technology
Deflection testing is to ensure that the important step of road project quality. The rebound deflection value of detection subgrade and pavement, it is possible to reflection road structure bearing capacity. By compared with design standard, to confirm whether the construction of urban road engineering meets the requirement of construction quality. If deflection value is excessive, its deformation is also more big, and each layer in road surface is easily broken. The test that rebound deflection value is correct is had great importance.
Current deflection testing process is extremely difficult to code requirement. The problem being primarily present has: one, deflection testing standard vehicle does not reach demand of technical standard, and great majority adopt and rent truck loading some sand, masonry is detection car, or lease sprinkling truck as detection car with greening administration section. Detect car in actually detected middle above two and load form, all can cause gravity motion when detection car brakes in the process of moving, once gravity motion is difficult to ensure the requirement that rear axle load should meet 100 �� 1kN, thus affecting testing result; Two, mechanical type dial gauge is used on existing backman beam method test road surface, and testing staff is measurement error ubiquity when reading; Three, backman beam gauge head placement location be extremely difficult to required by specification at 3-5CM place, front, Lun Xi center; Four, existing automatization deflection testing car detects mainly for the upper strata on asphalt road, it is impossible to adapt to other aspect.
Summary of the invention
For disadvantages described above, it is an object of the invention to propose the adjustable loading attachment of a kind of pavement deflection standard detection car, this structure can when minimum load, reach the requirement of rear axle load 100 �� 1kN, and can realize detection vehicle normal road and travel carriage requirement and travel with detection and carry wheel loading and require the conversion of two kinds of duties.
It is an object of the invention to propose a kind of pavement deflection detection automatic data collection encryption device, it is possible to effectively reduce the random error in measurement process, systematic error, gross error, it is to avoid data are forged, strengthen the authority of detection data.
What it is an object of the invention to propose a kind of pavement deflection detection backman beam puts shifting positioner automatically, it is possible to achieve the automatic deploying and retracting of backman beam and movement, and gauge head is placed into the 3-5CM place, front, Lun Xi center of code requirement.
It is an object of the invention to propose a kind of pavement deflection detection system, it is possible to adapt to the rebound deflection detection of construction road different aspects.
For reaching object above, present invention employs techniques below scheme: a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle, including load regulating system, backman beam puts shifting system automatically and automatic data collection analyzes system, described load regulating system is to be provided with can weigh dead load bracket and mobile load carriage in trunk, four angles of dead load of can weighing bracket have been respectively mounted pillar pressure transducer, on dead load of can weighing bracket, the right and left respectively places two fixing definite value counterweight blocks, dead load of can weighing bracket is placed four removable definite value counterweight blocks.
Backman beam of the present invention is automatically put shifting system and is made up of the hoisting mechanism of move one's steps hoisting mechanism and the HYDRAULIC CONTROL SYSTEM of step motor control; Described data collecting system is made up of portable computer, electronic centigrade scale, road surface thermodetector, digital display diastimeter; Described hydraulic system includes Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, hydraulic cylinder IV, hydraulic pressure V; Described hoisting mechanism includes: Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, backman beam bracket. After adopting above technical scheme, charger in the present invention is automatically adjusted load position in compartment by hydraulic system, thus realizing the conversion of road driving and construction two kinds of operating modes of detection, vehicle load can be controlled at 7.5T by the utilization of this device, it is the half of existing automatic deflection testing car load weight, reduces the oil consumption of vehicle.
Four LOAD CELLSs that the load in detection vehicle rear axle in the present invention can be passed through to be arranged on the fixing bracket of weights show in real time, and the transparency of the detection of raising is with authoritative.
Backman beam in the present invention puts shifting system automatically, it is achieved that the automatic deploying and retracting of beam, improves the accuracy of gauge head placement location, also saves human resources.
Data, by being arranged on the electronic centigrade scale on backman beam and the data collecting system on car, are carried out automatically gathering and analyzing, reduce the error of detection by the detecting device in the present invention.
The pavement deflection detection system of the present invention, it is possible to adapting to the rebound deflection detection of construction road different aspects, the adaptability of job site is good.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
In figure: the 1-hoisting mechanism 2-motor 6-that moves one's steps moves the removable definite value counterweight block 8-led display screen 9-of load carriage 7-and can weigh the fixing definite value counterweight block of dead load bracket 13-digital display diastimeter 14-electronic centigrade scale 15-backman beam bracket 16-backman beam 18-.
Detailed description of the invention
Shown in reference to the accompanying drawings, a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle of the present invention, including load regulating system, backman beam puts shifting system automatically and automatic data collection analyzes system, described load regulating system is to be provided with can weigh dead load bracket 9 and mobile load carriage 6 in trunk, four angles of dead load of can weighing bracket 9 have been respectively mounted pillar pressure transducer, on dead load of can weighing bracket 9, the right and left respectively places two fixing definite value counterweight blocks 18, dead load of can weighing bracket 9 is placed four removable definite value counterweight blocks 7, under the driving of hydraulic cylinder, realize weighing the movement of removable definite value counterweight block 7 on dead load bracket 9 via the guide rail in mobile load carriage 6, thus carriage requirement when reaching road transport with deflection testing.
Backman beam of the present invention is automatically put the hoisting mechanism of move one's steps hoisting mechanism 1 and HYDRAULIC CONTROL SYSTEM that shifting system is controlled by motor 2 and is formed; Described data collecting system is made up of portable computer, electronic centigrade scale 14, road surface thermodetector, digital display diastimeter 13; Described hydraulic system includes Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, hydraulic cylinder IV, hydraulic pressure V; Described hoisting mechanism includes: Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, backman beam bracket 15.
Embodiments of the present invention are as follows:
1, first detection vehicle comes to a complete stop after arriving detection site.
2, acousto-optic safety prompting system (warning light in led display screen 8 and driver's cabin) is opened.
3, load regulating system is opened, Hydraulic Station drives hydraulic cylinder V to be regulated to dead load bracket 9 allocation really according to the reading that pillar pressure transducer shows by removable definite value counterweight block 7, when realizing rear axle load 100 �� 1kN, electric control system controls Hydraulic Station and quits work.
4, enabling backman beam and automatically put shifting system, electric control system controls Hydraulic Station and drives three hydraulic cylinders: hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, puts digital display diastimeter 13 and backman beam bracket 15 to setting position; Electric control system controls motor 2 and drags hoisting mechanism 1 of moving one's steps, and steel wire rope is released preseting length.
5, the initial reading of data acquisition system electronic centigrade scale 14 record, after completing, the warning light in driver's cabin turns green, driver actuation, when vehicle moves outside the radius of influence value set to digital display diastimeter 13, warning light in driver's cabin reddens, and driver is stopped; Data collecting system gathers the reading of electronic centigrade scale 14 again, now completes one-shot measurement.
6, the control Hydraulic Station of electric control system is started, hydraulic cylinder I, hydraulic cylinder III are carried to fixed position, backman beam 16 is moved forward until determining position by hoisting mechanism 1 of moving one's steps, in driver's cabin, signal lights turns green, and driver moves vehicle, and digital display diastimeter 13 works, when reaching setting value, in driver's cabin, signal lights reddens, and driver is stopped, and now detection vehicle moves to next test point.
7, automatic checkout system repeats step 4, step 5, step 6; So circulation detects.
Claims (5)
1. one kind based on pavement deflection automatic detection device, including load regulating system, backman beam puts shifting system automatically and automatic data collection analyzes system, it is characterized in that described load regulating system is to be provided with can weigh dead load bracket (9) and mobile load carriage (6) in trunk, four angles of dead load of can weighing bracket (9) have been respectively mounted pillar pressure transducer, the upper the right and left of dead load of can weighing bracket (9) respectively places two fixing definite values counterweight block (18), dead load of can weighing bracket (9) is upper places four removable definite values counterweight block (7).
2. a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle according to claim 1, it is characterised in that described backman beam is automatically put the hoisting mechanism of hoisting mechanism of moving one's steps (1) that shifting system controls by motor (2) and HYDRAULIC CONTROL SYSTEM and formed.
3. a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle according to claim 1, it is characterised in that described data collecting system is made up of portable computer, electronic centigrade scale (14), road surface thermodetector, digital display diastimeter (13).
4. a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle according to claim 2, it is characterised in that described hydraulic system includes Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, hydraulic cylinder IV, hydraulic pressure V.
5. a kind of pavement deflection automatic detection device based on the design of DFL1160BX7A vehicle according to claim 2, it is characterised in that described hoisting mechanism includes: Hydraulic Station, hydraulic cylinder I, hydraulic cylinder II, hydraulic cylinder III, backman beam bracket (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079076.7A CN105648883A (en) | 2016-02-04 | 2016-02-04 | Automatic deflection detecting device based on pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079076.7A CN105648883A (en) | 2016-02-04 | 2016-02-04 | Automatic deflection detecting device based on pavement |
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| CN105648883A true CN105648883A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610079076.7A Pending CN105648883A (en) | 2016-02-04 | 2016-02-04 | Automatic deflection detecting device based on pavement |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102790A (en) * | 1987-04-10 | 1988-01-20 | 江苏省沭阳县科学技术委员会 | Rear-mounted vehicle for automating measurement of road sinking |
| JP2004333182A (en) * | 2003-05-01 | 2004-11-25 | Daiwa Kenko Kk | Automatic measuring/recording device of amount of deflection in road surface |
| CN2748497Y (en) * | 2004-07-19 | 2005-12-28 | 云南省公路科学技术研究所 | Device for detecting rebound deflection value of pavement |
| CN101545240A (en) * | 2009-04-16 | 2009-09-30 | 长安大学 | Photoelectric deflection fast detector |
| JP2013199802A (en) * | 2012-03-26 | 2013-10-03 | Nichireki Co Ltd | Road surface deflection measuring device and measuring method |
| CN204626215U (en) * | 2015-05-19 | 2015-09-09 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Road detection vehicle benkelman beams deflectometer automatic winding-unwinding system |
| CN205529819U (en) * | 2016-02-04 | 2016-08-31 | 江苏恒达工程检测有限公司 | Based on pavement deflection automatic checkout device |
-
2016
- 2016-02-04 CN CN201610079076.7A patent/CN105648883A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102790A (en) * | 1987-04-10 | 1988-01-20 | 江苏省沭阳县科学技术委员会 | Rear-mounted vehicle for automating measurement of road sinking |
| JP2004333182A (en) * | 2003-05-01 | 2004-11-25 | Daiwa Kenko Kk | Automatic measuring/recording device of amount of deflection in road surface |
| CN2748497Y (en) * | 2004-07-19 | 2005-12-28 | 云南省公路科学技术研究所 | Device for detecting rebound deflection value of pavement |
| CN101545240A (en) * | 2009-04-16 | 2009-09-30 | 长安大学 | Photoelectric deflection fast detector |
| JP2013199802A (en) * | 2012-03-26 | 2013-10-03 | Nichireki Co Ltd | Road surface deflection measuring device and measuring method |
| CN204626215U (en) * | 2015-05-19 | 2015-09-09 | 中国重型汽车集团唐山市宏远专用汽车有限公司 | Road detection vehicle benkelman beams deflectometer automatic winding-unwinding system |
| CN205529819U (en) * | 2016-02-04 | 2016-08-31 | 江苏恒达工程检测有限公司 | Based on pavement deflection automatic checkout device |
Non-Patent Citations (1)
| Title |
|---|
| 胡昌斌: "《道理与桥梁检测技术（第二版）》", 30 June 2015, 人民交通出版社 * |
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Application publication date: 20160608 |
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