CN214747792U - Wave form roof beam steel guardrail crossbeam central height survey device - Google Patents
Wave form roof beam steel guardrail crossbeam central height survey device Download PDFInfo
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- CN214747792U CN214747792U CN202120832369.4U CN202120832369U CN214747792U CN 214747792 U CN214747792 U CN 214747792U CN 202120832369 U CN202120832369 U CN 202120832369U CN 214747792 U CN214747792 U CN 214747792U
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Abstract
The utility model relates to the field of traffic safety facilities, in particular to a device for measuring the central height of a wave beam steel guardrail beam, which comprises two symmetrically arranged bases, wherein lower transverse connecting rods are erected on the two bases, vertical connecting rods are symmetrically arranged on the lower transverse connecting rods, and upper transverse connecting plates are erected on the two vertical connecting rods; the upper transverse connecting plate is connected with a waveform guardrail center positioning plate in a sliding manner, transverse center measuring lines are arranged on the upper transverse connecting plate and the waveform guardrail center positioning plate, and the transverse center measuring lines of the upper transverse connecting plate are superposed with the transverse center measuring lines of the waveform guardrail center positioning plate; the upper transverse connecting plate and the upper edge of the waveform guardrail center positioning plate are provided with hanging grooves, the side surfaces of the hanging grooves are hinged with vertical needles, the vertical needles are provided with laser range finders, and the center positions of the widths of the bottoms of the laser range finders are consistent with the transverse center measuring line. Compared with the prior art, the utility model discloses can effectually reduce measuring error, improve measurement accuracy.
Description
Technical Field
The utility model relates to a traffic safety facility technical field specifically provides a wave form beam steel guardrail crossbeam center height survey device.
Background
The corrugated beam steel guardrail mainly comprises a corrugated beam plate, an upright post, a stop block and related connecting pieces, and is used as an important component of a road traffic safety setting project, the corrugated beam steel guardrail can effectively ensure the safety of road driving, the deformation of a soil foundation, the upright post and the guardrail plate is utilized to absorb collision energy, driving vehicles are prevented from rushing out of a road, the life and property safety of the vehicles and passengers is guaranteed, and the loss caused by accidents is reduced.
The central height of the cross beam is an important index for detecting the construction quality of the corrugated beam steel guardrail, and is mainly used for measuring the parallel distance between the central position of the cross section of the upper corrugated beam and the road surface, but because the cross section of the roadbed and the road surface of the highway generally has a designed cross slope gradient, the angle between the road surface and the guardrail upright post is vertical by default during measurement, but actually the road surface and the roadside guardrail upright post are not vertical in a true sense. The daily measurement mode is that the default road surface is perpendicular with roadside guardrail stand, adopts the horizon rule to aim at guardrail board central point and puts the determination horizontal height position after, and the height of measuring the horizon rule to the road surface is regarded as crossbeam central point to the angle volume of measuring the horizon rule perpendicular to the horizon rule, and this measurement method has certain error because of the influence of cross slope in fact. The method for measuring the height from the level to the road surface by using the angle of the measuring scale perpendicular to the level is also a measuring method for the central height of the cross beam, but no practical instrument equipment for measuring the central height of the cross beam of the corrugated beam steel guardrail exists.
Disclosure of Invention
The utility model discloses a to the not enough of above-mentioned prior art, provide a wave form beam steel guardrail crossbeam center height survey device that reasonable in design, simple structure, safe in utilization, measurement accuracy are high.
The utility model provides a technical scheme that its technical problem adopted is:
a device for measuring the central height of a beam of a corrugated beam steel guardrail comprises two symmetrically arranged bases, wherein lower transverse connecting rods are erected on the two bases, vertical connecting rods are symmetrically arranged on the lower transverse connecting rods, and upper transverse connecting plates are erected on the two vertical connecting rods;
the upper transverse connecting plate is connected with a waveform guardrail center positioning plate in a sliding manner, transverse center measuring lines are arranged on the upper transverse connecting plate and the waveform guardrail center positioning plate, and the transverse center measuring lines of the upper transverse connecting plate are superposed with the transverse center measuring lines of the guardrail center positioning plate;
the upper transverse connecting plate and the upper edge of the waveform guardrail center positioning plate are provided with hanging grooves, the side surfaces of the hanging grooves are hinged with vertical needles, the vertical needles are provided with laser range finders, and the center positions of the widths of the bottoms of the laser range finders are consistent with the transverse center measuring line.
Furthermore, a plurality of adjusting mounting holes are vertically formed in the upper portion of the vertical connecting rod, and the upper portion transverse connecting plate is movably connected with the vertical connecting rod through the adjusting mounting holes.
Furthermore, the vertical connecting rods are movably connected with the lower transverse connecting rods and symmetrically arranged between the bases.
Furthermore, a U-shaped groove is formed in the base, and the lower transverse connecting rod is installed in the groove.
Preferably, the base is of an inverted T shape.
Preferably, the upper transverse connecting plate is in sliding connection with the wave-shaped guardrail center positioning plate through a buckle.
Furthermore, the lower end of the vertical needle is conical.
Furthermore, a placing frame is arranged on the outer side face of the vertical needle, and the laser range finder is placed on the placing frame.
Furthermore, clamping grooves are formed in two ends of the center positioning plate of the waveform guardrail.
The utility model discloses a wave form roof beam steel guardrail crossbeam center height survey device compares with prior art, has following outstanding beneficial effect:
(1) when the detected road surface has a cross slope gradient, the device enables the lower transverse connecting rod and the upper transverse connecting plate to be always parallel to the road surface according to the translation characteristic of the parallelogram. The groove is hung in upper portion transverse connection board and the installation of wave form guardrail center locating plate upper edge, hang groove side central point and put the articulated needle that hangs down freely under the action of gravity, utilize vertical connecting rod to carry out the regulation of height, accurate height is adjusted in the swing of rethread vertical connecting rod, confirm well wave form roof beam steel guardrail crossbeam central point after-putting, open laser range finder, accomplish the distance of horizontal center survey line to the road surface through range finder from the range finding function of area, can accurately read out crossbeam central point height. The measuring error can be effectively reduced, and the measuring precision is improved.
(2) Be equipped with the regulation mounting hole of height-adjusting on vertical connecting rod, satisfy the measurement of different wave form roof beam steel guardrail crossbeam central heights.
To sum up, the utility model has the advantages of simple structure, equipment are swift, convenient operation, measuring result degree of accuracy are high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a device for measuring the central height of a cross beam of a corrugated beam steel guardrail.
The reference numerals in the drawings denote:
1. the base, 2, lower part horizontal connecting rod, 3, vertical connecting rod, 4, adjust the mounting hole, 5, the horizontal center survey line of upper portion horizontal connecting plate, 6, the horizontal connecting plate in upper portion, 7, the horizontal center survey line of guardrail center locating plate, 8, buckle, 9, the needle of hanging down, 10, U type string groove, 11, draw-in groove, 12, guardrail center locating plate, 13, rack.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to the accompanying drawings; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.
A preferred embodiment is given below:
the device for measuring the central height of the beam of the corrugated beam steel guardrail comprises two bases 1 which are symmetrically arranged, wherein each base 1 is in an inverted T shape, and a U-shaped groove is formed in the upper part of each base. Install lower part transverse connection pole 2 on the U-shaped recess of two bases 1, symmetry swing joint has vertical connecting rod 3 on the lower part transverse connection pole 2, and two vertical connecting rod 3 distribute inside two bases 1, and its interval guarantees that vertical connecting rod 3 does not produce the collision with base 1 when moving about.
3 upper portions of two vertical connecting rods all are equipped with 4 and adjust mounting hole 4, and 4 equal distance distributions of adjusting mounting hole 4. An upper transverse connecting plate 6 is movably connected between the two vertical connecting rods 3 at the same height through an adjusting mounting hole 4.
Set up horizontal central survey line 5 on the transverse connection board 6 of upper portion, and install buckle 8 on the transverse connection board 6 of upper portion, upper portion transverse connection board 6 passes through buckle 8 and 12 sliding connection of wave form guardrail center locating plate. The wave-shaped guardrail center positioning plate 12 is also provided with a transverse center measuring line 7, and the transverse center measuring line 7 on the wave-shaped guardrail center positioning plate is overlapped with the transverse center measuring line 5 on the upper transverse connecting plate.
Hanging the n-shaped hanging groove 10 on the upper edges of the upper transverse connecting plate 6 and the wave-shaped guardrail center positioning plate 12, wherein the center of the side surface of the n-shaped hanging groove 10 is hinged with a vertical needle 9, and the lower end of the vertical needle 9 is in a cone shape. Wherein, hang down needle 9 lateral surface position and be equipped with rack 13, place laser range finder on the rack 13, and the central point of laser range finder bottom width puts and transverse central survey line 5 or 7 unanimity. The hanging groove 10 can be moved at any time according to the measurement position.
The two ends of the wave-shaped guardrail center positioning plate 12 are provided with clamping grooves 11, the clamping grooves 11 at the two ends of the wave-shaped guardrail center positioning plate 12 can be arranged into different types according to the shape of the wave-shaped beam plate section center position, and the wave-shaped guardrail center positioning plate is characterized in that the wave-shaped beam plate section center position can be accurately and quickly determined.
This device is when using, places the device and begins the test on the road surface, adjusts whether the height of upper portion transverse connection board 6 can be highly unanimous with wave form roof beam steel guardrail through adjusting mounting hole 4, and accurate height is adjusted to the swing of the vertical connecting rod 3 of rethread. Then, the clamping grooves 11 at the two ends of the waveform guardrail center positioning plate 12 are set according to actual conditions, so that the position and the shape of the clamping grooves 11 are ensured to be accurate, and the transverse center measuring line 5 of the upper transverse connecting plate is ensured to be superposed with the transverse center measuring line 7 of the waveform guardrail center positioning plate. And finally, installing a U-shaped hanging groove 10 with a vertical needle 9, wherein the vertical needle 9 freely droops under the action of gravity all the time, installing a laser range finder on a placing rack 13 on the vertical needle 9, and directly measuring the distance from the transverse central measuring line 5 of the upper transverse connecting plate or the transverse central measuring line 7 of the guardrail central positioning plate to the road surface, so that the central height of the cross beam can be accurately read.
Wherein, base 1 dead weight is great relatively and base 1 bottom surface and survey road surface area of contact great in order to guarantee to measure the stability of positioner in the operation process. After the U-shaped groove of the base 1 is connected with the lower transverse connecting rod 2, a sufficient gap is left at the joint between the base 1 and the lower transverse connecting rod 2, and the characteristic of the device is that the base 1 is not rubbed with the lower transverse connecting rod 2 when moving.
The lower transverse connecting rods 2 are provided with reserved mounting holes for the base 1 and the vertical connecting rods 3, the reserved mounting holes are not overlapped, a certain distance is kept, and the lower transverse connecting rods are characterized in that the vertical connecting rods 3 are prevented from colliding with the upper portion of the base 1 when moving, so that the measuring range is enlarged.
Vertical connecting rod 3 is equipped with height-adjusting's regulation mounting hole 4, and its characteristics can satisfy the measurement of different wave form roof beam steel guardrail crossbeam central heights. The junction between 3 lower extremes of vertical connecting rod and the lower part transverse connection pole 2 leaves sufficient clearance, and its characteristics are when guaranteeing that vertical connecting rod 3 does not produce the friction with lower part transverse connection pole 2 when moving, can also be fixed with lower part transverse connection pole 2 and vertical connecting rod 3 both mutually, guarantee that the angle of lower part transverse connection pole 2 and vertical connecting rod 3 does not change when detecting the measurement.
And a transverse central measuring line 5 of the upper transverse connecting plate and a transverse central measuring line 7 of the waveform guardrail central positioning plate keep parallel to a measuring line from the central position of the waveform beam steel guardrail to the road surface.
The joint between the upper transverse connecting plate 6 and the upper end of the vertical connecting rod 3 is left with enough clearance, and the joint is characterized in that the joint can not generate friction with the vertical connecting rod 3 when the upper transverse connecting plate 6 moves, and can also fix the upper transverse connecting plate 6 and the vertical connecting rod 3, so that the angles of the upper transverse connecting plate 6 and the vertical connecting rod 3 are not changed when detection and measurement are carried out.
The two ends of the wave-shaped guardrail center positioning plate 12 are provided with different types of clamping grooves 11 according to the shape of the center position of the section of the wave-shaped beam plate, and the wave-shaped guardrail center positioning plate is characterized in that the center position of the section of the wave-shaped beam plate can be accurately and quickly determined.
The waveform guardrail center positioning plate 12 is provided with a transverse center measuring line 7, and is characterized in that the transverse center measuring line 7 on the waveform guardrail center positioning plate is the same as the center position of the waveform beam plate, and can be calibrated at any time with the transverse center measuring line 5 arranged on the upper transverse connecting plate to determine whether the transverse center measuring line 5 of the upper transverse connecting plate is overlapped with the transverse center measuring line 7 on the waveform guardrail center positioning plate, and the waveform guardrail center positioning plate 12 can be freely pulled and pulled according to the distance and can also be completely pulled out to replace the end clamping groove 11.
The upper transverse connecting plate 6 and the waveform guardrail center positioning plate 12 are penetrated in a clamping groove of the sliding connection buckle 8, and the waveform guardrail center positioning plate 12 is characterized in that the waveform guardrail center positioning plate 12 is always kept parallel to the upper transverse connecting plate 6 when sliding.
When the hanging groove 10 is arranged at a measuring position, the vertical needle 9 can freely droop under the action of gravity, the cone at the lower end of the vertical needle 9 can automatically keep the center vertical, and the measured central height value is completed by the vertical needle 9 under the condition that the positioning device is parallel to the gradient of a cross slope of a road surface.
The vertical needle 9 is provided with the placing rack 13, and the laser range finder is placed on the placing rack 13, so that the phenomenon of artificial reading errors during measurement by a ruler can be well avoided; the laser range finder can be directly connected with electronic equipment through a wireless transmission device of the laser range finder to transmit detection data, the electronic equipment can automatically generate electronic original records, and the working flow is simplified.
The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A device for measuring the central height of a beam of a corrugated beam steel guardrail is characterized by comprising two symmetrically arranged bases, wherein lower transverse connecting rods are erected on the two bases, vertical connecting rods are symmetrically arranged on the lower transverse connecting rods, and upper transverse connecting plates are erected on the two vertical connecting rods;
the upper transverse connecting plate is connected with a waveform guardrail center positioning plate in a sliding manner, transverse center measuring lines are arranged on the upper transverse connecting plate and the waveform guardrail center positioning plate, and the transverse center measuring lines of the upper transverse connecting plate are superposed with the transverse center measuring lines of the waveform guardrail center positioning plate;
the upper transverse connecting plate and the upper edge of the waveform guardrail center positioning plate are provided with hanging grooves, the side surfaces of the hanging grooves are hinged with vertical needles, the vertical needles are provided with laser range finders, and the center positions of the widths of the bottoms of the laser range finders are consistent with the transverse center measuring line.
2. The device for measuring the central height of the cross beam of the corrugated beam steel guardrail as claimed in claim 1, wherein a plurality of adjusting mounting holes are vertically arranged at the upper part of the vertical connecting rod, and the upper transverse connecting plate is movably connected with the vertical connecting rod through the adjusting mounting holes.
3. The device for measuring the central height of the cross beam of the corrugated beam steel guardrail of claim 1, wherein the vertical connecting rods are movably connected with the lower transverse connecting rods and symmetrically arranged between the bases.
4. The apparatus as claimed in claim 3, wherein the base has a U-shaped groove, and the lower cross bar is installed in the groove.
5. The apparatus of claim 4, wherein the base is shaped as an inverted T.
6. The device for measuring the central height of the cross beam of the corrugated beam steel guardrail as claimed in claim 1, wherein the upper transverse connecting plate is slidably connected with the corrugated guardrail central positioning plate through a buckle.
7. The apparatus of claim 1, wherein the lower end of the vertical pin is tapered.
8. The device for measuring the central height of the cross beam of the corrugated beam steel guardrail according to claim 1, wherein a placing rack is arranged on the outer side surface of the vertical needle, and the laser range finder is placed on the placing rack.
9. The device for measuring the central height of the cross beam of the corrugated beam steel guardrail as claimed in claim 1, wherein the corrugated guardrail central positioning plate is provided with clamping grooves at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120832369.4U CN214747792U (en) | 2021-04-22 | 2021-04-22 | Wave form roof beam steel guardrail crossbeam central height survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120832369.4U CN214747792U (en) | 2021-04-22 | 2021-04-22 | Wave form roof beam steel guardrail crossbeam central height survey device |
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| Publication Number | Publication Date |
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| CN214747792U true CN214747792U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120832369.4U Active CN214747792U (en) | 2021-04-22 | 2021-04-22 | Wave form roof beam steel guardrail crossbeam central height survey device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989721A (en) * | 2023-09-28 | 2023-11-03 | 交通运输部公路科学研究所 | Highway guardrail measuring device and highway guardrail height and gradient measuring method |
-
2021
- 2021-04-22 CN CN202120832369.4U patent/CN214747792U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116989721A (en) * | 2023-09-28 | 2023-11-03 | 交通运输部公路科学研究所 | Highway guardrail measuring device and highway guardrail height and gradient measuring method |
| 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 |
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