CN210797216U - Road surface flatness measuring device - Google Patents
Road surface flatness measuring device Download PDFInfo
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- CN210797216U CN210797216U CN201921628431.7U CN201921628431U CN210797216U CN 210797216 U CN210797216 U CN 210797216U CN 201921628431 U CN201921628431 U CN 201921628431U CN 210797216 U CN210797216 U CN 210797216U
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Abstract
The utility model discloses a pavement surface flatness measuring device, which relates to the technical field of pavement detection, and comprises a crossbeam, wherein supporting legs are fixedly connected below two ends of the crossbeam, the supporting legs are arranged in an inverted V shape, a guide rail is arranged on the side wall of the crossbeam along the horizontal direction in the length direction, and a slide block is connected on the guide rail in a sliding way; the drawing pen is characterized in that a sleeve is fixedly connected to the sliding block, a movable measuring rod is inserted into the sleeve in a penetrating mode, a drawing pen is arranged at the upper end of the measuring rod, a flat plate used for placing a drawing paper is fixedly connected to the upper end of the cross beam, a clamp used for clamping the drawing paper is arranged on the edge of the flat plate, and the pen point of the drawing pen abuts against the surface of the drawing paper on the flat plate. The utility model can more accurately measure the flatness of the road surface; the operation is simple, people do not need to lie on the ground to measure by the plug gauge, and the measuring efficiency is improved.
Description
The technical field is as follows:
the utility model relates to a road surface detects technical field, especially relates to a road surface roughness measuring device.
Background art:
the road flatness refers to a deviation value of the concave-convex amount in the longitudinal direction of the road surface. The pavement evenness is an important index in pavement evaluation and pavement construction acceptance, and mainly reflects the evenness of a pavement longitudinal section profile curve. When the profile curve of the longitudinal section of the road surface is relatively smooth, the road surface is relatively flat or the flatness is relatively good, otherwise, the flatness is relatively poor. Good pavement requires good pavement flatness. Irregularities in the road surface can affect speed and safety of the vehicle, smoothness of driving, and comfort of the passengers, and can also exacerbate damage to the road surface and wear on the parts of the vehicle. Therefore, the flatness of the road surface needs to be strictly controlled.
In the existing pavement detection process, a 3-meter ruler is generally adopted to measure the flatness of a pavement, during measurement, the side measuring edge of the ruler is leaned against the ground, the maximum gap is visually measured, then a filler gauge is plugged into the gap, and the gap height is visually measured.
The utility model has the following contents:
the utility model aims at providing a road surface roughness measuring device solves current road surface roughness and measures inaccurate, incomplete face, and the technical problem that measurement of efficiency is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a pavement surface flatness measuring device comprises a cross beam, wherein supporting legs are fixedly connected below two ends of the cross beam, the supporting legs are arranged in an inverted V shape, a guide rail which is horizontally arranged along the length direction is arranged on the side wall of the cross beam, a sliding block is connected on the guide rail in a sliding manner, a dovetail groove is arranged on the sliding block, a dovetail protrusion is arranged on the guide rail, and the dovetail groove is sleeved on the dovetail protrusion in a sliding manner; the drawing pen is characterized in that a sleeve is fixedly connected to the sliding block, a movable measuring rod is inserted into the sleeve in a penetrating mode, a drawing pen is arranged at the upper end of the measuring rod, a flat plate used for placing a drawing paper is fixedly connected to the upper end of the cross beam, a clamp used for clamping the drawing paper is arranged on the edge of the flat plate, and the pen point of the drawing pen abuts against the surface of the drawing paper on the flat plate.
Further, the upper end fixedly connected with fixed cylinder of measuring stick, the pen socket has been alternate in the solid section of thick bamboo, the outer wall of pen socket is equipped with convex solid fixed ring, be equipped with compression spring in the fixed cylinder, compression spring wears the cover in the outer lane of pen socket, compression spring's one end is supported at the inner of fixed cylinder, compression spring's the other end supports extrudees the pen socket to dull and stereotyped one side at the fixed ring lateral wall, the marker pen alternates in the pen socket, one side of pen socket is equipped with the screw hole, threaded hole is equipped with screw-thread fit's first locking bolt, and the tip of first locking bolt supports the lateral wall at the marker pen and will mark the pen and press from both sides tightly.
Furthermore, a butterfly-shaped first rotating lug plate is arranged at the outer end of the first locking bolt.
Furthermore, a threaded hole is formed in the side wall of the sleeve, a second locking bolt is arranged in the threaded hole, and a butterfly-shaped second rotating lug plate used for screwing the second locking bolt is arranged on a nut of the second locking bolt.
Furthermore, the lower end of the measuring rod is hinged with a roller.
The utility model provides a pair of road surface roughness measuring device has following beneficial effect: the sliding block capable of sliding and moving is arranged on the cross beam, the measuring rod is sleeved in the sleeve on the sliding block in a penetrating mode, the marking pen is arranged at the upper end of the measuring rod, when the device is used, the device is placed on a road surface, the measuring rod is moved to enable the lower end of the measuring rod to be in contact with the ground, the sliding block is moved in parallel, and the marking pen moves up and down along with the height fluctuation of the ground, so that the marking pen can trace the section line of the ground on a tracing paper on a flat plate, the fluctuation condition of the road surface at the measuring position can be more clearly measured according to the section line, and the flatness of the road surface can be more accurately measured by; the operation is simple, people do not need to lie on the ground to measure by the plug gauge, and the measuring efficiency is improved.
Description of the drawings:
the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:
fig. 1 is a schematic view of a front view structure of a road surface flatness measuring device provided by the present invention;
fig. 2 is a schematic side view of a cross-sectional structure of a pavement surface flatness measuring apparatus provided by the present invention;
fig. 3 is a partial structure diagram of a portion a in fig. 2.
The reference numbers in the figures illustrate: 1-beam, 2-leg, 3-guide rail, 4-slide block, 41-sleeve, 42-second locking bolt, 421-second rotary lug plate, 5-measuring rod, 51-fixed cylinder, 52-roller, 6-marking pen, 7-flat plate, 71-clamp, 8-pen cap, 81-fixed ring, 82-first locking bolt, 821-first rotary lug plate and 9-compression spring.
The specific implementation mode is as follows:
it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.
As shown in fig. 1, 2 and 3, the pavement surface flatness measuring device comprises a cross beam 1, wherein supporting legs 2 are fixedly connected to the lower portions of two ends of the cross beam 1, the supporting legs 2 are arranged in an inverted V shape, a guide rail 3 which is horizontally arranged in the length direction is arranged on the side wall of the cross beam 1, a sliding block 4 is connected onto the guide rail 3 in a sliding manner, a dovetail groove is arranged on the sliding block 4, a dovetail protrusion is arranged on the guide rail 3, and the dovetail groove is clamped on the dovetail protrusion in a sliding manner; the drawing board marking device is characterized in that a sleeve 41 is fixedly connected to the sliding block 4, a movable measuring rod 5 is inserted into the sleeve 41 in a penetrating mode, a marking pen 6 is arranged at the upper end of the measuring rod 5, a flat plate 7 used for placing a drawing paper is fixedly connected to the upper end of the cross beam 1, a clamp 71 used for clamping the drawing paper is arranged on the edge of the flat plate 7, and the pen point of the marking pen 6 abuts against the surface of the drawing paper on the flat plate.
By adopting the technical scheme, the sliding block 4 capable of sliding is arranged on the beam 1, the measuring rod 5 is sleeved in the sleeve 41 on the sliding block 4 in a penetrating manner, the marking pen 6 is arranged at the upper end of the measuring rod 5, when the device is used, the device is placed on a road surface, the measuring rod 5 is moved to enable the lower end of the measuring rod 5 to be in contact with the ground, the sliding block 4 is moved in a parallel manner, and the marking pen 6 moves up and down along with the height and the waviness of the ground on a tracing paper on the flat plate 7, so that the broken line of the ground can be traced out by the marking pen 6, the waviness condition of the road surface at the measuring position can be more clearly measured according to the broken line, and the flatness of; the operation is simple, people do not need to lie on the ground to measure by the plug gauge, and the measuring efficiency is improved.
Specifically, the upper end fixedly connected with fixed cylinder 51 of measuring stick 5, pen socket 8 has been alternate in the solid cylinder 51, the outer wall of pen socket 8 is equipped with convex solid fixed ring 81, be equipped with compression spring 9 in the fixed cylinder 51, compression spring 9 wears to overlap in the outer lane of pen socket 8, compression spring 9's one end supports the inner at fixed cylinder 51, compression spring 9's the other end supports and extrudes pen socket 8 to dull and stereotyped 7 one side at fixed ring 81 lateral wall, marking pen 6 alternates in pen socket 8, one side of pen socket 8 is equipped with the screw hole, threaded hole is equipped with screw-thread fit's first locking bolt 82, and the tip of first locking bolt 82 supports and tightly presss from both sides marking pen 6 at the lateral wall of marking pen 6. The marking pen 6 can be clamped and can be detached and replaced through the cooperation of the first locking bolt 82 and the pen cap 8; the compression spring 9 can keep the marking pen 6 against the tracing paper on the flat plate 7, and the phenomenon that the unevenness of the flat plate 7 causes the interruption of the tracing line is avoided.
Specifically, the outer end of the first locking bolt 82 is provided with a butterfly-shaped first rotating lug plate 821. The first locking bolt 82 can be conveniently rotated by screwing the first rotating lug plate 821, and the scribing pen 6 can be conveniently detached.
Specifically, a threaded hole is formed in the side wall of the sleeve 41, a second locking bolt 42 is arranged in the threaded hole, and a butterfly-shaped second rotating lug plate 421 for screwing the second locking bolt 42 is arranged on a nut of the second locking bolt 42. The measuring rod 5 can be fixed by screwing the second locking bolt 42, and the measuring rod 5 can be fixed when not being measured, so that the measuring rod 5 is prevented from moving up and down, and the transfer and the carrying are convenient.
Specifically, the lower end of the measuring rod 5 is hinged with a roller 52. The measuring rod 5 is convenient to move, and can be more conveniently contacted with the ground through the roller 52, so that the measuring precision is improved.
The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.
Claims (5)
1. The utility model provides a road surface flatness measuring device which characterized in that: the supporting leg structure comprises a cross beam (1), supporting legs (2) are fixedly connected to the lower portions of two ends of the cross beam (1), the supporting legs (2) are arranged in an inverted V shape, guide rails (3) are arranged on the side wall of the cross beam (1) in the horizontal direction, sliding blocks (4) are connected onto the guide rails (3) in a sliding mode, dovetail grooves are formed in the sliding blocks (4), dovetail protrusions are arranged on the guide rails (3), and the dovetail grooves are clamped on the dovetail protrusions in a sliding fit mode; the drawing pen is characterized in that a sleeve (41) is fixedly connected to the sliding block (4), a movable measuring rod (5) is inserted into the sleeve (41), a drawing pen (6) is arranged at the upper end of the measuring rod (5), a flat plate (7) used for placing a drawing paper is fixedly connected to the upper end of the cross beam (1), a clamp (71) used for clamping the drawing paper is arranged at the edge of the flat plate (7), and the pen point of the drawing pen (6) abuts against the surface of the drawing paper on the flat plate.
2. A pavement surface flatness measuring apparatus according to claim 1, further comprising: the upper end of the measuring rod (5) is fixedly connected with a fixed cylinder (51), a pen cap (8) is inserted into the fixed cylinder (51), the outer wall of the pen cap (8) is provided with a convex fixing ring (81), a compression spring (9) is arranged in the fixing barrel (51), the compression spring (9) is sleeved on the outer ring of the pen cap (8) in a penetrating way, one end of the compression spring (9) is propped against the inner end of the fixed barrel (51), the other end of the compression spring (9) is propped against the side wall of the fixed ring (81) to extrude the pen cap (8) to one side of the flat plate (7), the marking pen (6) is inserted in the pen cap (8), one side of the pen cap (8) is provided with a threaded hole, the threaded hole is internally provided with a first locking bolt (82) in threaded fit, and the end part of the first locking bolt (82) abuts against the side wall of the marking pen (6) and clamps the marking pen (6).
3. A pavement surface flatness measuring apparatus according to claim 2, further comprising: the outer end of the first locking bolt (82) is provided with a butterfly-shaped first rotating lug plate (821).
4. A pavement surface flatness measuring apparatus according to claim 1, further comprising: the side wall of the sleeve (41) is provided with a threaded hole, a second locking bolt (42) is arranged in the threaded hole, and a butterfly-shaped second rotating lug plate (421) used for screwing the second locking bolt (42) is arranged on a nut of the second locking bolt (42).
5. A pavement surface flatness measuring apparatus according to claim 1, further comprising: the lower end of the measuring rod (5) is hinged with a roller (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628431.7U CN210797216U (en) | 2019-09-27 | 2019-09-27 | Road surface flatness measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921628431.7U CN210797216U (en) | 2019-09-27 | 2019-09-27 | Road surface flatness measuring device |
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| Publication Number | Publication Date |
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| CN210797216U true CN210797216U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921628431.7U Active CN210797216U (en) | 2019-09-27 | 2019-09-27 | Road surface flatness measuring device |
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| CN (1) | CN210797216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028936A (en) * | 2021-03-04 | 2021-06-25 | 苏州玖物互通智能科技有限公司 | Mechanical arm movement track testing device and testing system |
| CN114754708A (en) * | 2022-04-22 | 2022-07-15 | 中路高科交通检测检验认证有限公司 | Road flatness detection method and system based on three-dimensional laser scanning technology |
| CN116124085A (en) * | 2023-04-18 | 2023-05-16 | 中铁二十三局集团有限公司 | Foundation settlement deformation measuring device and measuring method |
-
2019
- 2019-09-27 CN CN201921628431.7U patent/CN210797216U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028936A (en) * | 2021-03-04 | 2021-06-25 | 苏州玖物互通智能科技有限公司 | Mechanical arm movement track testing device and testing system |
| CN113028936B (en) * | 2021-03-04 | 2023-09-22 | 苏州玖物智能科技股份有限公司 | Mechanical arm movement track testing device and testing system |
| CN114754708A (en) * | 2022-04-22 | 2022-07-15 | 中路高科交通检测检验认证有限公司 | Road flatness detection method and system based on three-dimensional laser scanning technology |
| CN114754708B (en) * | 2022-04-22 | 2024-05-03 | 中路高科交通检测检验认证有限公司 | Road flatness detection method and system based on three-dimensional laser scanning technology |
| CN116124085A (en) * | 2023-04-18 | 2023-05-16 | 中铁二十三局集团有限公司 | Foundation settlement deformation measuring device and measuring method |
| CN116124085B (en) * | 2023-04-18 | 2023-06-13 | 中铁二十三局集团有限公司 | Foundation settlement deformation measuring device and measuring method |
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