CN111220081B - Device and method for detecting central height of cross beam of corrugated beam steel guardrail - Google Patents
Device and method for detecting central height of cross beam of corrugated beam steel guardrail Download PDFInfo
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- CN111220081B CN111220081B CN202010065370.9A CN202010065370A CN111220081B CN 111220081 B CN111220081 B CN 111220081B CN 202010065370 A CN202010065370 A CN 202010065370A CN 111220081 B CN111220081 B CN 111220081B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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Abstract
The invention relates to the technical field of highway engineering quality detection equipment, in particular to a device for detecting the central height of a beam of a corrugated beam steel guardrail, which comprises: the device comprises a substrate, a jaw assembly, a jaw driving piece, a horizontal rod and a laser range finder; the two groups of clamping jaw assemblies are oppositely arranged and are arranged on the same surface of the substrate in a sliding manner; the jaw driving piece is connected with the two jaw assemblies and drives the two jaw assemblies to approach or move away from each other; the horizontal rod is fixed on the other side of the substrate, the laser range finder is arranged on the horizontal rod, and the laser range finder is used for measuring the distance from a measuring point of the laser range finder to a road surface. Through the two jaw assemblies that set up relatively at the base plate, fix the base plate on wave form roof beam steel guardrail crossbeam through the mode that two jaw assemblies of jack catch driving piece simultaneous drive were gathered together towards the center synchronization to and set up the laser range finder on the horizon bar, improved distance measurement's precision and efficiency. The invention also provides a method for detecting the central height of the beam of the corrugated beam steel guardrail.
Description
Technical Field
The invention relates to the technical field of highway engineering quality detection equipment, in particular to a device and a method for detecting the central height of a beam of a corrugated beam steel guardrail.
Background
The corrugated guardrail is a combined corrugated plate movable steel guardrail for an opening of a central separation zone of a road, and comprises two corrugated steel guardrail plates and two stand columns fixedly clamped between the two corrugated steel guardrail plates, wherein the two stand columns are fixedly clamped between the two corrugated steel guardrail plates. When the vehicle collides with the vehicle, the corrugated steel guardrail plate has good collision resistance and energy absorption, so that the vehicle is not easy to be damaged by collision, and meanwhile, the vehicle and drivers and passengers can be well protected. In order to play the safety guarantee role of the corrugated beam steel guardrail in a redistribution manner, the construction quality should be strictly guaranteed in guardrail construction, wherein the height from the center of the cross beam to the road surface becomes one of the indexes of quality detection.
In the 'quality detection and evaluation standards for highway engineering', the allowable deviation of the central height of the cross beam does not exceed 20mm, 5 positions need to be measured at each side of every 1km, specifically, the distance from the center of the two-wave guardrail cross beam to the road surface is 600mm, and the distance from the center of the three-wave guardrail cross beam to the road surface is 697 mm. Therefore, the rapid and accurate measurement of the central height of the beam becomes a technical problem to be solved urgently. In the prior art, the measurement of the center of the cross beam is usually carried out in a measuring mode combining a horizontal ruler and a steel ruler, and during specific measurement, one worker uses the horizontal ruler to lead out the center of the cross beam, and the other worker uses the steel ruler to measure the distance from a road surface to the center of the horizontal ruler.
However, the above measurement method has more errors, on one hand, the beam has a double-wave beam and a three-wave beam, the accuracy of center confirmation cannot be guaranteed by a method of determining the center of the beam by naked eyes, on the other hand, the measurement of the manual handheld level bar cannot completely guarantee the level and the verticality of the steel ruler during measurement, the errors of multiple links cause great influence on the final measurement result, and the accuracy of construction quality detection at the center of the corrugated beam steel guardrail cannot be guaranteed.
In view of the above problems, the designer is based on practical experience and professional knowledge that are abundant for many years in engineering application of such products, and is actively researched and innovated in cooperation with the application of theory, so as to create a device and a method for detecting the central height of the beam of the corrugated beam steel guardrail, and the device and the method are more practical.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device and the method for detecting the center height of the beam of the corrugated beam steel guardrail are provided, and the detection accuracy is improved.
In order to achieve the above object, the present invention provides, in one aspect, a device for detecting a central height of a cross beam of a corrugated beam steel guardrail, including: the device comprises a substrate, a jaw assembly, a jaw driving piece, a horizontal rod and a laser range finder;
the two groups of jaw assemblies are oppositely arranged and are arranged on the same surface of the substrate in a sliding manner; the jaw driving piece is connected with the two jaw components and drives the two jaw components to approach or move away from each other; the horizontal rod is fixed on the other surface of the substrate, the laser range finder is arranged on the horizontal rod and is used for measuring the distance from a measuring point of the laser range finder to a road surface; the horizontal rod is fixed at the middle position of the height direction of the substrate, and the center of the synchronous motion of the two clamping jaw assemblies is positioned at the centroid of the substrate.
Preferably, two sliding rails are arranged on the base plate, sliding grooves corresponding to the sliding rails are arranged at the bottom of the clamping jaw assembly, and the sliding grooves are arranged on the sliding rails in a sliding mode.
Preferably, the jaw assembly is provided with a rack, the rack is parallel to the slide rail, the jaw driving part comprises a gear which is rotatably arranged on the substrate, the gear is meshed with the rack, and the racks of the jaw assembly are arranged on two sides of the gear.
Preferably, two jaw assemblies are provided with rack passages, wherein the rack passage of one jaw assembly is arranged corresponding to the position of the rack on the other jaw assembly, so that the rack can penetrate into the rack passage.
Preferably, the jaw assembly further comprises a jaw and a jaw fixing cavity, the jaw is slidably arranged in the jaw fixing cavity, and an extension spring is connected between the jaw and the jaw fixing cavity.
Preferably, the jack catch driving piece still includes the carousel, the carousel with the coaxial axle center rigid coupling of gear, be provided with turning handle and fixed orifices on the carousel, the fixed orifices is the screw hole, the fixed orifices is used for fixing with the fastener cooperation the angular position of carousel.
Preferably, be provided with the slide that a side was opened on the horizon bar, it is used for fixing to slide on the slide the slider of laser range finder, the slide is followed the length direction of horizon bar sets up, in order to adjust the measuring position of laser range finder on the horizontal direction.
Preferably, one end of the horizontal rod is hinged to the base plate, the angle of the horizontal rod is fixed through a threaded hole in a hinged seat on the base plate, and a placing groove for placing a horizontal ruler is arranged above the horizontal rod.
Preferably, the base plate is further provided with a handle, and the handle is fixed to the top of the base plate in the height direction so as to facilitate carrying of the device.
On the other hand, the invention also provides a method for detecting the central height of the beam of the corrugated beam steel guardrail, which comprises the following steps:
reversely rotating the turntable, and adjusting the distance between the two clamping jaws to be larger than the width of the beam of the corrugated beam steel guardrail;
placing the end parts of the two clamping jaws at the rear part of the beam of the corrugated beam steel guardrail;
the turntable is rotated in the forward direction, so that the two clamping jaws are clamped at the two ends of the cross beam of the corrugated beam steel guardrail;
the rotating disc is fixed by penetrating a fastener into the fixing hole;
opening the horizontal rod, and adjusting the horizontal rod to be in a horizontal state;
and fixing the laser range finder on the horizontal rod, testing the distance from the laser range finder to the ground, and judging whether the distance meets the requirement.
The invention has the beneficial effects that: according to the invention, the two jaw assemblies are oppositely arranged on the base plate, and the base plate is fixed on the corrugated beam steel guardrail beam in a manner that the two jaw assemblies are simultaneously driven by the jaw driving piece to synchronously converge towards the center, so that the problem of inaccurate positioning of the center of the beam in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIGS. 1 to 2 are schematic structural views of a device for detecting the central height of a beam of a corrugated beam steel guardrail in an embodiment of the invention;
FIG. 3 is a schematic view of a device for detecting the central height of a beam of a corrugated beam steel guardrail in the embodiment of the invention;
FIG. 4 is an exploded view of the device for detecting the height of the center of a beam of a corrugated beam steel guardrail in the embodiment of the invention (one jaw assembly is omitted);
FIG. 5 is a schematic view of a jaw assembly according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of a jaw assembly in an embodiment of the present invention;
FIG. 7 is a schematic view of the jaw driver of an embodiment of the present invention;
FIG. 8 is a schematic view of a horizontal bar according to an embodiment of the present invention;
FIG. 9 is a schematic view of a horizontal bar of an embodiment of the present invention when folded;
FIG. 10 is a flow chart of a method for detecting the center height of a beam of a corrugated beam steel guardrail in an embodiment of the invention.
Reference numerals: 10-base plate, 11-slide rail, 12-handle, 20-jaw component, 21-slide groove, 22-rack, 23-rack channel, 24-jaw, 25-jaw fixing cavity, 26-extension spring, 30-jaw driving piece, 31-gear, 32-rotary disc, 40-horizontal rod, 41-slide way, 42-slide block, 43-placing groove, 50-laser range finder, 321-rotating handle and 322-fixing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Wave form roof beam steel guardrail crossbeam central height detection device as shown in fig. 1 ~ 9 includes: the device comprises a base plate 10, a jaw assembly 20, a jaw driving piece 30, a horizontal rod 40 and a laser range finder 50;
the two groups of the jaw assemblies 20 are oppositely arranged and are arranged on the same surface of the substrate 10 in a sliding manner; the jaw driving member 30 is connected to the two jaw assemblies 20 and drives the two jaw assemblies 20 to move toward or away from each other; a horizontal bar 40 is fixed on the other side of the base plate 10, and a laser range finder 50 is provided on the horizontal bar 40, the laser range finder 50 being used to measure the distance from its measuring point to the road surface. The horizontal rod 40 is fixed at the middle position of the base plate 10 in the height direction, and the center of the synchronous movement of the two jaw assemblies 20 is located at the centroid of the base plate 10. As shown in fig. 3, when the base plate 10 is fixed on the corrugated beam steel guardrail beam through the two-jaw assembly 20, the center of the corrugated beam steel guardrail beam corresponds to the center of the base plate 10, and at this time, as long as it is ensured that the probe of the laser range finder 50 is on the same horizontal line with the center of the base plate 10, the distance measured by the laser range finder 50 is the distance between the center of the corrugated beam steel guardrail beam and the ground. Laser range finder 50 is prior art, through laser range finder 50's use, has also saved manpower and materials when having improved measurement accuracy, and laser range finder 50 has the memory function moreover, can save many measuring results, has improved measuring efficiency greatly.
In the above-mentioned embodiment, through two jack catch group 20 pieces that set up relatively at base plate 10, the mode of gathering together towards the center synchronous fixes base plate 10 on wave form roof beam steel guardrail crossbeam through jack catch driving piece 30 two jack catch group 20 simultaneously, the inaccurate problem of crossbeam center location among the prior art has been overcome, through setting up laser range finder 50 on the horizon bar, distance measurement's precision and speed have been improved, replace artifically through machinery, the problem of horizontal and vertical unable assurance among the prior art has been solved, the precision of detection has been improved greatly.
Specifically, as shown in fig. 4, two slide rails 11 are disposed on the substrate 10, a sliding groove 21 corresponding to the slide rail 11 is disposed at the bottom of the jaw assembly 20, and the sliding groove 21 is slidably disposed on the slide rail 11. Through the arrangement of the sliding rail 11 and the sliding groove 12, the two jaw assemblies 20 move more smoothly and reliably, friction is reduced, and the service life of the device is prolonged.
In the embodiment of the present invention, referring to fig. 4 and fig. 1, the jaw assemblies 20 are provided with racks 22, the racks 22 are parallel to the slide rail 11, the jaw driving member 30 includes a gear 31 rotatably disposed on the base plate 10, the gear 31 is engaged with the racks 22, and the racks 22 of the two jaw assemblies 20 are disposed on two sides of the gear 31. The rack 22 on two sides is driven to move simultaneously through the rotation of one gear 31, and the rack 22 is arranged on two sides of the gear 31, so that when the gear 31 rotates, the moving directions of the two are opposite, synchronous approaching or separating is realized, and the structure is simple and easy to realize.
As a preferred embodiment, as shown in fig. 5, the two jaw assemblies 20 are provided with rack passages 23, wherein the rack passages 23 of one jaw assembly 20 are arranged corresponding to the positions of the racks 22 on the other jaw assembly 20, so that the racks 22 can penetrate into the rack passages 23. Through the setting of rack passageway 23, the rack 22 middle and gear engagement, the free end passes rack passageway 23, and through the restriction of rack passageway 23 for the meshing of rack 23 and gear 31 is more firm, has prevented the pulley phenomenon that rack 22 warp and leads to, improves the reliability that the device used. And two jack catch assemblies 20 central symmetry sets up, and the jack catch assembly 20 that uses on both sides is the same completely in structure, is convenient for manufacturing and batch popularization.
As shown in fig. 5 and 6, the jaw assembly 20 further includes a jaw 24 and a jaw fixing cavity 25, the jaw 24 is slidably disposed in the jaw fixing cavity 25, and a tension spring 26 is connected between the jaw 24 and the jaw fixing cavity 25. The clamping jaw 24 is arranged in the clamping jaw fixing cavity 25 in a sliding mode, meanwhile, a limiting straight-line hole is formed in the clamping jaw fixing cavity 25, and a limiting key arranged in the limiting straight-line hole is arranged on the side wall of the clamping jaw 24 to prevent the clamping jaw 24 from falling off from the clamping jaw fixing cavity 25; in addition, extension spring 26 one end is fixed on jack catch 24 inner wall top, and the other end is fixed at the fixed chamber 25 inner wall of jack catch, and is in tensile state always to be convenient for jack catch 24 is firm blocks wave form roof beam steel guardrail crossbeam, because scalable setting, can improve the suitability of device, in order to use to different specifications.
In a preferred embodiment of the present invention, as shown in fig. 7, the jaw driving member 30 further includes a rotating plate 32, the rotating plate 32 is coaxially and fixedly connected to the gear 31, the rotating plate 32 is provided with a rotating handle 321 and a fixing hole 322, the fixing hole 322 is a threaded hole, and the fixing hole 322 is matched with a fastening member for fixing an angular position of the rotating plate 32. Rotating handle 321 sets up at carousel 32 edge, sets up with carousel 32 perpendicular surface to thereby it drives the rotation of gear 31 to wave carousel 32, when rotating to jack catch 24 blocks the wave form beam steel guardrail crossbeam, passes fixed orifices 322 and extrudees with base plate 10 surface through using the fastener, thereby has increased carousel 32 pivoted frictional force, makes carousel 32 be difficult to rotate, improves the fixed reliability of jack catch 24.
As a preferred embodiment, as shown in fig. 8, a slide rail 41 with an open side is disposed on the horizontal rod 40, a slide block 42 for fixing the laser distance meter 50 is slidably disposed on the slide rail 41, and the slide rail 41 is disposed along the length direction of the horizontal rod 40 to adjust the measurement position of the laser distance meter 50 in the horizontal direction. Through the arrangement of the slide rail 41, the center distance of different distances away from the center of the beam of the corrugated beam steel guardrail on the same horizontal position can be measured, so that the measurement error caused by the unevenness of the road surface can be removed, and the measurement accuracy is improved.
In the preferred embodiment of the present invention, one end of the horizontal rod 40 is hinged to the base plate 10, and the angle of the horizontal rod 40 is fixed by the threaded hole on the hinged seat on the base plate 10, and a placing groove 43 for placing a level is arranged above the horizontal rod 40. Through the articulated setting of horizon bar 40, on the one hand can be through the levelness of the level bar 40 of the level bar adjustment in the standing groove 43, improve and measure the precision, on the other hand the articulated of horizon bar 40 can pack up horizon bar 40 when not using, as shown in fig. 9, through packing up of horizon bar 40, reduced the occupation space of device, improved the portability of device.
Further, referring to fig. 9, a handle 12 is further disposed on the base plate 10, and the handle 12 is fixed on the top of the base plate 10 in the height direction for facilitating carrying of the device. Through the arrangement of the handle 12, only one worker can conveniently hold the hand and complete the measurement.
The embodiment of the invention also provides a method for detecting the central height of the beam of the corrugated beam steel guardrail by using the device, which comprises the following specific steps as shown in fig. 10:
s11: the rotating disc 32 is rotated reversely, so that the distance between the two claws 24 is larger than the width of the wave beam steel guardrail beam; the purpose of this step is to open the two jaws 24 so that the jaws 24 can be clamped at both ends of the beam in the width direction, and this step can also be used after the measurement is completed.
S12: two clamping jaws 24 are close to the cross beam of the corrugated beam steel guardrail, so that the clamping jaws are arranged on the inner side of the cross beam of the corrugated beam steel guardrail;
s13: the turntable 32 is rotated in the forward direction to enable the two clamping jaws 24 to be close to each other to be in contact with the two sides of the corrugated beam steel guardrail cross beam, when the corrugated beam steel guardrail cross beam is thick, the clamping jaws 24 can be pulled out of the clamping jaw fixing cavities 25 in the clamping jaws 24 in a manual mode, and due to the fact that the extension springs 26 are arranged between the clamping jaw fixing cavities 25 and the clamping jaws 24, the acting force of the extension springs 26 can guarantee that the clamping jaws hook the two wings of the corrugated beam, and the clamping effect is guaranteed.
S14: the dial 32 is fixed using a fastener through the fixing hole 322, completing the fixing operation. The fixing operation is to prevent the rotation of the turntable 32 by increasing the friction between the stud and the substrate 10 by pressing the end of the stud against the substrate 10 after the fastener is screwed into the fixing hole 322.
S15: open horizon bar 40, through observing the spirit level on the standing groove 43, adjust the levelness of horizon bar 40, fix horizon bar 40 through the fastener on the articulated seat, make horizon bar 40 keep balance.
S16: fixing the laser range finder 50 on the horizontal rod, clicking a measuring button on the laser range finder 50 to finish the measuring operation, judging whether the distance meets the requirement, repeating the above operation if the distance meets the requirement, continuing to measure the next point, and recording the specific position information and the specific distance to the ground if the distance does not meet the requirement. It should be noted here that the accuracy of the laser rangefinder must be accurate to the millimeter level to meet the measurement needs. The device is simple to operate, high in measurement efficiency, high in measurement precision and beneficial to improving the technical level of highway engineering quality detection, and machines are adopted to replace manpower.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a wave form roof beam steel guardrail crossbeam center height detection device which characterized in that includes: the device comprises a base plate (10), a jaw assembly (20), a jaw driving piece (30), a horizontal rod (40) and a laser range finder (50);
the two groups of jaw assemblies (20) are oppositely arranged and are arranged on the same surface of the base plate (10) in a sliding manner; the clamping jaw driving piece (30) is connected with the two clamping jaw assemblies (20) and drives the two clamping jaw assemblies (20) to approach or separate from each other, the base plate (10) is fixed on a corrugated beam steel guardrail cross beam through the two clamping jaw assemblies (20), the horizontal rod (40) is fixed on the other surface of the base plate (10), the laser range finder (50) is arranged on the horizontal rod (40), the horizontal rod (40) is fixed at the middle position of the height direction of the base plate (10), the centers of synchronous motion of the two clamping jaw assemblies (20) are located at the centroid of the base plate (10), and the laser range finder (50) is used for measuring the distance from a measuring point to a road surface;
the base plate (10) is provided with two sliding rails (11), the bottom of the clamping jaw assembly (20) is provided with a sliding groove (21) corresponding to the sliding rails (11), and the sliding groove (21) is arranged on the sliding rails (11) in a sliding manner;
the clamping jaw assemblies (20) are provided with racks (22), the racks (22) are arranged in parallel with the sliding rail (11), the clamping jaw driving piece (30) comprises a gear (31) rotatably arranged on the base plate (10), the gear (31) is meshed with the racks (22), and the racks (22) of the two clamping jaw assemblies (20) are arranged on two sides of the gear (31);
rack channels (23) are arranged on the two jaw assemblies (20), the rack channel (23) of one jaw assembly (20) is arranged corresponding to the rack (22) on the other jaw assembly (20) in position, so that the rack (22) can penetrate into the rack channel (23);
jaw assembly (20) still include jack catch (24) and jack catch fixed chamber (25), jack catch (24) slide to set up in jack catch fixed chamber (25), just jack catch (24) with be connected with extension spring (26) between jack catch fixed chamber (25), jack catch (24) are inboard at wave form girder steel guardrail crossbeam, extension spring (26) are in tensile state always, are convenient for jack catch (24) are firm block wave form girder steel guardrail crossbeam.
2. The device for detecting the central height of the beam of the corrugated beam steel guardrail according to claim 1, wherein the jaw driving piece (30) further comprises a rotating disc (32), the rotating disc (32) is coaxially fixedly connected with the gear (31), a rotating handle (321) and a fixing hole (322) are arranged on the rotating disc (32), the fixing hole (322) is a threaded hole, and the fixing hole (322) is matched with a fastener to fix the angular position of the rotating disc (32).
3. The device for detecting the central height of the beam of the corrugated beam steel guardrail according to claim 1, wherein a slide way (41) with one open side is arranged on the horizontal rod (40), a slide block (42) for fixing the laser range finder (50) is slidably arranged on the slide way (41), and the slide way (41) is arranged along the length direction of the horizontal rod (40) so as to adjust the measuring position of the laser range finder (50) in the horizontal direction.
4. The device for detecting the central height of the steel guardrail beam of the corrugated beam as claimed in claim 3, wherein one end of the horizontal rod (40) is hinged on the base plate (10), the angle of the horizontal rod (40) is fixed through a threaded hole on a hinged seat on the base plate (10), and a placing groove (43) for placing a horizontal ruler is arranged above the horizontal rod (40).
5. The device for detecting the central height of the corrugated beam steel guardrail cross beam as claimed in claim 1, wherein a handle (12) is further arranged on the base plate (10), and the handle (12) is fixed at the top of the base plate (10) in the height direction so as to be convenient for carrying the device.
6. A method for detecting the central height of a cross beam of a corrugated beam steel guardrail by applying the device for detecting the central height of the cross beam of the corrugated beam steel guardrail according to any one of claims 1 to 5, which is characterized by comprising the following steps of:
reversely rotating the turntable, and adjusting the distance between the two clamping jaws to be larger than the width of the beam of the corrugated beam steel guardrail;
placing the end parts of the two clamping jaws at the rear part of the beam of the corrugated beam steel guardrail;
the turntable is rotated in the forward direction, so that the two clamping jaws are clamped at the two ends of the cross beam of the corrugated beam steel guardrail;
the rotating disc is fixed by penetrating a fastener into the fixing hole;
opening the horizontal rod, and adjusting the horizontal rod to be in a horizontal state;
and fixing the laser range finder on the horizontal rod, testing the distance from the laser range finder to the ground, and judging whether the distance meets the requirement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065370.9A CN111220081B (en) | 2020-01-20 | 2020-01-20 | Device and method for detecting central height of cross beam of corrugated beam steel guardrail |
| PCT/CN2020/098254 WO2021147241A1 (en) | 2020-01-20 | 2020-06-24 | Apparatus and method for detecting centre height of corrugated beam steel guardrail crossbeam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065370.9A CN111220081B (en) | 2020-01-20 | 2020-01-20 | Device and method for detecting central height of cross beam of corrugated beam steel guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111220081A CN111220081A (en) | 2020-06-02 |
| CN111220081B true CN111220081B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010065370.9A Active CN111220081B (en) | 2020-01-20 | 2020-01-20 | Device and method for detecting central height of cross beam of corrugated beam steel guardrail |
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| Country | Link |
|---|---|
| CN (1) | CN111220081B (en) |
| WO (1) | WO2021147241A1 (en) |
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| CN111220081B (en) * | 2020-01-20 | 2021-11-05 | 苏交科集团检测认证有限公司 | Device and method for detecting central height of cross beam of corrugated beam steel guardrail |
| CN112945201B (en) * | 2021-01-26 | 2022-05-13 | 张克林 | Highway bridge construction is with measuring device of intellectual detection system levelness |
| CN113188458B (en) * | 2021-05-04 | 2022-11-15 | 温州市交通工程试验检测有限公司 | Wave beam center height detector |
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| CN115060176A (en) * | 2022-08-18 | 2022-09-16 | 沧州市交通运输局 | Highway guardrail height detection device |
| CN115807378B (en) * | 2023-02-07 | 2023-04-18 | 北京特希达交通基础设施科技有限公司 | Road engineering measurer |
| CN116989721B (en) * | 2023-09-28 | 2023-12-19 | 交通运输部公路科学研究所 | Highway guardrail measuring device and highway guardrail height and gradient measuring method |
| CN118009898B (en) * | 2024-04-10 | 2024-06-11 | 交通运输部公路科学研究所 | Wave beam guardrail height measuring device and measuring method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954600A (en) * | 2010-06-10 | 2011-01-26 | 无锡华联精工机械有限公司 | Centering clamping mechanism of CNC (Computerized Numerical Control) drilling machine of pipe fittings |
| CN203422068U (en) * | 2013-09-09 | 2014-02-05 | 无锡市恒安特种设备工程有限公司 | Flexibility measuring apparatus |
| CN104315957A (en) * | 2014-11-21 | 2015-01-28 | 柳州科路测量仪器有限责任公司 | Rail transport device car coupler center height measuring ruler |
| CN104525771A (en) * | 2014-11-21 | 2015-04-22 | 佛山市艾乐博机器人科技有限公司 | Centering positioning mechanism for automatic production line |
| CN206311038U (en) * | 2016-12-23 | 2017-07-07 | 广西交通科学研究院 | Corrugated beam barrier crossbeam centre-height detection means |
| CN106979731A (en) * | 2017-04-10 | 2017-07-25 | 安徽江淮汽车集团股份有限公司 | A kind of centering body and hair lid checking fixture for outer panel |
| CN206451504U (en) * | 2017-02-16 | 2017-08-29 | 邱玉兰 | A kind of full-scale adjustable violin shoulder cradle |
| CN206511587U (en) * | 2017-03-06 | 2017-09-22 | 徐州工程学院 | A kind of screw thread rotation bar structure of belt-type fault-belt catching device |
| CN207281111U (en) * | 2017-09-30 | 2018-04-27 | 苏州秋叶义机械有限公司 | The drawing memory fixed plate of PCBA tests |
| CN108500910A (en) * | 2018-04-10 | 2018-09-07 | 中车长春轨道客车股份有限公司 | Framework geometric center lines automatic positioning mechanism |
| CN208132529U (en) * | 2018-03-22 | 2018-11-23 | 阳谷昊泉机械有限公司 | A kind of truss automatic loading and unloading manipulator for lathe |
| CN208138733U (en) * | 2018-01-25 | 2018-11-23 | 菲德（青岛）电子有限公司 | A kind of fixed bracket of the two-way adjustment of encoder |
| CN109000561A (en) * | 2018-07-09 | 2018-12-14 | 华侨大学 | For measuring the measuring device and its measurement method of sea cave volume |
| CN208321984U (en) * | 2018-04-18 | 2019-01-04 | 中铁隆昌铁路器材有限公司 | A kind of riveting centering clamp and centering clamp system |
| CN208628955U (en) * | 2018-08-31 | 2019-03-22 | 江苏众利达自动化设备有限公司 | A kind of automatically centering fixture |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7841098B2 (en) * | 2008-06-30 | 2010-11-30 | Max Mobility, Llc | Linear measurement apparatus and method |
| CN206944891U (en) * | 2017-07-21 | 2018-01-30 | 河南省交院工程检测科技有限公司 | Corrugated beam steeled protection fence crossbeam centre-height detection means |
| CN206947845U (en) * | 2017-07-25 | 2018-01-30 | 铜陵新能建电安全技术有限公司 | A kind of power engineering rescue tripod |
| CN209857811U (en) * | 2019-05-28 | 2019-12-27 | 鞍钢建设集团有限公司 | Roller way installation detection tool |
| CN111220081B (en) * | 2020-01-20 | 2021-11-05 | 苏交科集团检测认证有限公司 | Device and method for detecting central height of cross beam of corrugated beam steel guardrail |
-
2020
- 2020-01-20 CN CN202010065370.9A patent/CN111220081B/en active Active
- 2020-06-24 WO PCT/CN2020/098254 patent/WO2021147241A1/en active Application Filing
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954600A (en) * | 2010-06-10 | 2011-01-26 | 无锡华联精工机械有限公司 | Centering clamping mechanism of CNC (Computerized Numerical Control) drilling machine of pipe fittings |
| CN203422068U (en) * | 2013-09-09 | 2014-02-05 | 无锡市恒安特种设备工程有限公司 | Flexibility measuring apparatus |
| CN104315957A (en) * | 2014-11-21 | 2015-01-28 | 柳州科路测量仪器有限责任公司 | Rail transport device car coupler center height measuring ruler |
| CN104525771A (en) * | 2014-11-21 | 2015-04-22 | 佛山市艾乐博机器人科技有限公司 | Centering positioning mechanism for automatic production line |
| CN206311038U (en) * | 2016-12-23 | 2017-07-07 | 广西交通科学研究院 | Corrugated beam barrier crossbeam centre-height detection means |
| CN206451504U (en) * | 2017-02-16 | 2017-08-29 | 邱玉兰 | A kind of full-scale adjustable violin shoulder cradle |
| CN206511587U (en) * | 2017-03-06 | 2017-09-22 | 徐州工程学院 | A kind of screw thread rotation bar structure of belt-type fault-belt catching device |
| CN106979731A (en) * | 2017-04-10 | 2017-07-25 | 安徽江淮汽车集团股份有限公司 | A kind of centering body and hair lid checking fixture for outer panel |
| CN207281111U (en) * | 2017-09-30 | 2018-04-27 | 苏州秋叶义机械有限公司 | The drawing memory fixed plate of PCBA tests |
| CN208138733U (en) * | 2018-01-25 | 2018-11-23 | 菲德（青岛）电子有限公司 | A kind of fixed bracket of the two-way adjustment of encoder |
| CN208132529U (en) * | 2018-03-22 | 2018-11-23 | 阳谷昊泉机械有限公司 | A kind of truss automatic loading and unloading manipulator for lathe |
| CN108500910A (en) * | 2018-04-10 | 2018-09-07 | 中车长春轨道客车股份有限公司 | Framework geometric center lines automatic positioning mechanism |
| CN208321984U (en) * | 2018-04-18 | 2019-01-04 | 中铁隆昌铁路器材有限公司 | A kind of riveting centering clamp and centering clamp system |
| CN109000561A (en) * | 2018-07-09 | 2018-12-14 | 华侨大学 | For measuring the measuring device and its measurement method of sea cave volume |
| CN208628955U (en) * | 2018-08-31 | 2019-03-22 | 江苏众利达自动化设备有限公司 | A kind of automatically centering fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111220081A (en) | 2020-06-02 |
| WO2021147241A1 (en) | 2021-07-29 |
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