CN216238024U - Laser flatness instrument for road surface flatness - Google Patents
Laser flatness instrument for road surface flatness Download PDFInfo
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- CN216238024U CN216238024U CN202122893532.0U CN202122893532U CN216238024U CN 216238024 U CN216238024 U CN 216238024U CN 202122893532 U CN202122893532 U CN 202122893532U CN 216238024 U CN216238024 U CN 216238024U
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- flatness
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- laser flatness
- flatness meter
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Abstract
The utility model discloses a laser flatness meter for road surface flatness, which relates to the field of measurement and comprises a laser flatness meter shell, wherein the top of the laser flatness meter shell is fixedly connected with a support frame, the top of the support frame is fixedly connected with a first connecting post, a draw bar is sleeved on the first connecting post, positioning posts are fixedly connected with two sides of the draw bar, an adjusting mechanism for adjusting the height of the draw bar is arranged at the top of the support frame, the laser flatness meter shell is convenient to be connected with an external driving source by arranging a first circular groove, a U-shaped plate, a limiting post, a fixing plate and a fixing ring, the draw bar is fixed on the first connecting post at a proper height, the two positioning posts respectively correspond to the positions of the two first circular grooves, then the two fixing plates are overturned and enter two clamping grooves, so that a subsequent worker can conveniently connect a laser flatness meter shell with the external driving source, saving connection time.
Description
Technical Field
The utility model relates to the field of measurement, in particular to a laser flatness meter for the flatness of a roadbed and a pavement.
Background
The road surface evenness is generally an important index in measuring road surface evaluation and construction acceptance, the road surface evenness is related to the safety of driving on the road surface, the road surface receives impact force and service life, meanwhile, if the road surface is uneven, vehicles passing through the road surface are enabled to bump, the driving safety is easily influenced, when the longitudinal section profile curve of the road surface is relatively smooth, the road surface evenness is relatively even, and when the road surface evenness is measured, the road surface evenness is generally measured through a ruler, a laser evenness instrument and a vehicle-mounted bump accumulating instrument.
The existing laser flatness meter is generally used, the laser flatness meter is often placed and connected with a truck, so that the truck pulls and detects the laser flatness meter, the connection structure is often complex when the laser flatness meter is connected with the truck, the traction rod on the laser flatness meter is not easy to install or disassemble with the truck, meanwhile, the laser flatness meter is used, the laser flatness meter is generally required to be placed at a position which is about 80-100m away from a road surface base band, so that the road surface flatness meter is convenient to detect, and a distance measuring mechanism is not arranged on the laser flatness meter, so that a worker can not find the position of the laser flatness meter to deviate in time in the driving process of the truck.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In view of the above, the present invention is directed to a laser flatness meter for road pavement flatness, so as to facilitate connection of a laser flatness meter casing with an external driving source.
(II) technical scheme
In order to achieve the technical purpose, the utility model provides a laser flatness meter for road surface flatness, which comprises a laser flatness meter shell, wherein the top of the laser flatness meter shell is fixedly connected with a support frame, the top of the support frame is fixedly connected with a first connecting post, a traction rod is sleeved on the first connecting post, two sides of the traction rod are fixedly connected with positioning posts, and the top of the support frame is provided with an adjusting mechanism for adjusting the height of the traction rod;
the bottom of 3 one ends of traction lever is provided with and is used for carrying out fixed establishment with traction lever 3 and external driving source, fixed establishment includes U template 5, the both sides on U template 5 top are two solid fixed ring 7 of fixedly connected with respectively, with two of one side fixedly connected with back shaft between the solid fixed ring 7, two rotate respectively on the back shaft and be connected with fixed plate 8, two first circular slots 6 that can supply to correspond reference column 19 gliding are seted up to the back of U template 5.
Preferably, the U-shaped plate 5 is fixed with an external driving source through a bolt, a clamping groove for accommodating two fixing plates 8 is formed in the top of the traction rod 3, and the fixing plates 8 are clamped in the clamping groove.
Preferably, the adjusting mechanism comprises a first threaded hole formed in one side of the traction rod, a supporting plate is fixed to the top of the supporting frame, a plurality of second threaded holes matched with the first threaded hole in size are uniformly formed in one side of the supporting plate, and a screw is connected between the inside of one second threaded hole and the inside of the first threaded hole in a threaded manner.
Preferably, a second circular groove is formed in one side of the top end of the laser flatness meter shell, and a distance measuring mechanism used for measuring the distance between the pavement base band and the laser flatness meter shell is arranged on the inner wall of the second circular groove.
Preferably, the distance measuring mechanism is including fixing the connecting axle at the inside second circular slot, it is connected with the measurement piece to rotate on the connecting axle, the equal fixedly connected with second spliced pole in both sides of measurement piece, one side of one of them second spliced pole is provided with the holding tank, the inside of holding tank is provided with and is used for carrying out spacing stop gear with the measurement piece.
Preferably, stop gear includes sliding connection in the inside spacing post of holding tank, two spacing holes that can hold spacing post are seted up on the top of laser flatness appearance casing.
Preferably, the top end of the measuring piece is provided with scale marks, and the length of the measuring piece is smaller than that of the shell of the laser flatness instrument.
It should be noted that, through being provided with two spacing holes and spacing post, be convenient for carry out the injecing of measuring the time position at the measurement, also make things convenient for simultaneously that the staff is spacing when accomodating the measurement.
According to the technical scheme, the method has the following beneficial effects:
1: through being provided with first circular slot, the U template, spacing post, the fixed plate, thereby gu fixed ring makes laser flatness appearance casing be convenient for be connected with external driving source, fix the U template on external driving source through two bolts, suitable height on first connecting post is fixed with the traction lever to the rethread screw, correspond the back with the position of two first circular slots respectively with two reference columns, enter into two draw-in grooves after overturning two fixed plates, thereby make things convenient for follow-up staff to be connected laser flatness appearance shell and external driving source, save the joining time.
2: thereby be convenient for the staff to observe the position of laser flatness appearance casing in-process of traveling through being provided with measurement piece, spacing post, spacing hole, through extracting spacing post from spacing hole to overturn the measurement piece then measurement piece and laser flatness appearance casing keep vertical position, then avoided because of laser flatness appearance shell is difficult for discovering when removing the in-process position and taking place the skew.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a laser flatness meter for road bed and pavement flatness provided by the utility model.
Fig. 2 is a schematic back structure diagram of the fixing mechanism provided by the present invention.
Fig. 3 is an enlarged schematic structural diagram of the present invention at a in fig. 1.
Fig. 4 is an enlarged schematic structural diagram at B in fig. 1 according to the present invention.
Description of the drawings: 1. a laser flatness meter housing; 2. a first connecting column; 3. a draw bar; 5. a U-shaped plate; 6. a first circular groove; 7. a fixing ring; 8. a fixing plate; 9. a second circular groove; 10. a connecting shaft; 11. a metering member; 12. a second connecting column; 13. a limiting column; 14. a limiting hole; 17. a support plate; 18. a screw; 19. a positioning column; 20. a support frame.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.
Referring to FIGS. 1-4:
example one
Road bed road surface is laser flatness appearance for roughness, including laser flatness appearance casing 1, 1 top fixed connection support frame 20 of laser flatness appearance casing, the first spliced pole 2 of support frame 20 top fixedly connected with, the cover is equipped with traction lever 3 on the first spliced pole 2, the equal fixedly connected with reference column 19 in both sides of traction lever 3, and the top of support frame 20 is provided with the adjustment mechanism who is used for adjusting the 3 height of traction lever.
Further, the bottom of 3 one ends of traction lever is provided with and is used for carrying out the fixed establishment that fixes traction lever 3 and external driving source, and fixed establishment includes U template 5, and the both sides on 5 tops of U template are two solid fixed rings 7 of fixedly connected with respectively, and fixedly connected with back shaft between two solid fixed rings 7 with one side, rotate respectively on two back shafts and be connected with fixed plate 8, and two first circular slots 6 that can supply to correspond reference column 19 gliding have been seted up at the back of U template 5.
The external drive source may be a drive device such as a truck or a lorry.
Preferably, the U-shaped plate 5 is fixed with an external driving source through a bolt, the U-shaped plate 5 is fixed with the external driving source through a bolt, a clamping groove used for accommodating two fixing plates 8 is formed in the top of the traction rod 3, the fixing plates 8 are clamped in the clamping groove, the adjusting mechanism comprises a first threaded hole formed in one side of the traction rod 3, a supporting plate 17 is fixed to the top of the supporting frame 20, a plurality of second threaded holes matched with the first threaded hole in size are uniformly formed in one side of the supporting plate 17, and a screw 18 is connected between the inside of one of the second threaded holes and the inner thread of the first threaded hole.
It should be noted that, after the two positioning columns 19 are inserted into the two first circular grooves 6, in order to prevent the traction rod 3 from sliding out of the fixing mechanism, the two fixing plates 8 are turned over and then enter the two slots respectively, so that the traction rod 3 is connected and fixed conveniently.
Example two
Road bed is laser evenness appearance for road surface evenness, its on the basis of embodiment one, second circular slot 9 has been seted up to laser evenness appearance casing 1's top one side, and the inner wall of second circular slot 9 is provided with the range unit who is used for measuring distance between road surface baseband and the laser evenness appearance casing 1.
Wherein, ranging mechanism is including fixing at the inside connecting axle 10 of second circular slot 9, it is connected with measurement 11 to rotate on the connecting axle 10, the equal fixedly connected with second spliced pole 12 in both sides of measurement 11, one side of one of them second spliced pole 12 is provided with the holding tank, the inside of holding tank is provided with and is used for carrying out spacing stop gear with measurement 11, stop gear includes sliding connection in the inside spacing post 13 of holding tank, two spacing holes 14 that can hold spacing post 13 are seted up on the top of laser flatness appearance casing 1, the top of measurement 11 is provided with the scale mark, the length of measurement 11 is less than the length of the 1 casing of laser flatness appearance casing.
It should be noted that, in order to facilitate the observation of the distance between the laser leveling instrument housing 1 and the pavement base band by the worker, after the limiting column 13 is pulled out from one of the limiting holes 14, the measuring part 11 is convenient to rotate, and after the rotation, the distance between the laser leveling instrument housing 1 and the pavement base band can be measured through the measuring part 11, so that the situation that the worker does not find the distance in time when the laser leveling instrument housing 1 shifts in the moving process is avoided.
The working principle is as follows: when the worker determines the flatness of the road surface, the worker installs the traction rod 3 at a proper height by means of the plurality of first threaded holes in the supporting plate 17 and the second threaded hole in one side of the traction rod 3, the traction rod 3 is fixed by the screws 18, the worker fixes the U-shaped plate 5 on an external driving source by using two bolts, the two positioning columns 19 respectively correspond to the positions of the two first circular grooves 6, so that the positions of the traction rod 3 above and below are limited, the two fixing plates 8 are turned over oppositely, so that the bottoms of the two fixing plates 8 enter the two clamping grooves, the traction rod 3 is fixed on the fixing mechanism, the worker can measure the operation process later, the operation of connecting the laser leveling instrument shell 1 is simplified, and the connecting operation time is saved.
Simultaneously in order to make things convenient for in the survey process, the skew takes place for the interval of laser levelling instrument shell 1 and road surface baseband, through extracting spacing post 13 back from spacing hole 14, makes things convenient for the staff to rotate measuring 11 to and keeps the vertically position with laser levelling instrument shell 1, and then whether the staff of being convenient for in time observes the position when drawing laser levelling instrument shell 1 and takes place the skew, avoids influencing the accuracy nature of survey data after the skew because of the position.
Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.
Claims (7)
1. A laser flatness meter for road pavement flatness comprises a laser flatness meter shell (1), wherein the top of the laser flatness meter shell (1) is fixedly connected with a support frame (20), the top of the support frame (20) is fixedly connected with a first connecting post (2), a traction rod (3) is sleeved on the first connecting post (2), positioning posts (19) are fixedly connected to two sides of the traction rod (3), and an adjusting mechanism for adjusting the height of the traction rod (3) is arranged at the top of the support frame (20); the bottom of traction lever (3) one end is provided with and is used for carrying out the fixed establishment that fixes traction lever (3) and external driving source, fixed establishment includes U template (5), two solid fixed ring (7) of two fixedly connected with respectively on the both sides on U template (5) top, with two of one side fixedly connected with back shaft, two between solid fixed ring (7) rotate respectively on the back shaft and be connected with fixed plate (8), two first kerfs (6) that can supply to correspond reference column (19) gliding are seted up at the back of U template (5).
2. The laser flatness gauge for the flatness of the roadbed pavement according to claim 1, wherein the U-shaped plate (5) is fixed with an external driving source through a bolt, a clamping groove for accommodating two fixing plates (8) is formed in the top of the traction rod (3), and the fixing plates (8) are clamped in the clamping groove.
3. The laser flatness gauge for road pavement flatness according to claim 1, wherein the adjusting mechanism comprises a first threaded hole formed in one side of the traction rod (3), a supporting plate (17) is fixed to the top of the supporting frame (20), a plurality of second threaded holes matched with the first threaded hole in size are uniformly formed in one side of the supporting plate (17), and a screw (18) is connected between the inside of one second threaded hole and the inside of the first threaded hole in a threaded manner.
4. The laser flatness meter for road pavement flatness according to claim 1, characterized in that a second circular groove (9) is formed on one side of the top end of the laser flatness meter housing (1) of the laser flatness meter housing, and a distance measuring mechanism for measuring the distance between the road pavement base band and the laser flatness meter housing (1) of the laser flatness meter housing is arranged on the inner wall of the second circular groove (9).
5. The laser flatness gauge for road pavement flatness according to claim 4, wherein the distance measuring mechanism comprises a connecting shaft (10) fixed inside the second circular groove (9), a measuring part (11) is rotatably connected to the connecting shaft (10), second connecting columns (12) are fixedly connected to both sides of the measuring part (11), one side of one second connecting column (12) is provided with a containing groove, and a limiting mechanism for limiting the measuring part (11) is arranged inside the containing groove.
6. The laser flatness meter for the flatness of the roadbed pavement according to claim 5, wherein the limiting mechanism comprises a limiting column (13) connected inside the accommodating groove in a sliding manner, and two limiting holes (14) capable of accommodating the limiting column (13) are formed in the top end of the laser flatness meter shell (1).
7. Laser profilometer according to claim 5, wherein the top end of the gauge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122893532.0U CN216238024U (en) | 2021-11-24 | 2021-11-24 | Laser flatness instrument for road surface flatness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122893532.0U CN216238024U (en) | 2021-11-24 | 2021-11-24 | Laser flatness instrument for road surface flatness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216238024U true CN216238024U (en) | 2022-04-08 |
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ID=80956654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122893532.0U Active CN216238024U (en) | 2021-11-24 | 2021-11-24 | Laser flatness instrument for road surface flatness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216238024U (en) |
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2021
- 2021-11-24 CN CN202122893532.0U patent/CN216238024U/en active Active
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