CN212025858U

CN212025858U - Road flatness detection device for highway engineering

Info

Publication number: CN212025858U
Application number: CN202020682898.6U
Authority: CN
Inventors: 倪兵; 张智强; 毕新强; 田守华
Original assignee: Anhui Mingze Construction Co ltd
Current assignee: Anhui Mingze Construction Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-11-27
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a road flatness detection device for highway engineering, which comprises a detection box, a plurality of detection rods arranged in the detection box, a detection wheel rotatably arranged at the bottom of the detection rod, a plurality of detection structures arranged between the detection rods, a plurality of direction structures fixed on the detection rods, and a plurality of comparison tables arranged between the detection rods; a partition plate is arranged in the detection box, and the detection structure is arranged between the adjacent detection rods; the detection structure includes: the square upper pillar and the square lower pillar are vertically fixed on the partition plate, and the left meter and the right meter are respectively fixed on the upper pillar and the lower pillar; the pointing structure includes: the upper laser lamp and the lower laser lamp are arranged on the detection rod and respectively and correspondingly point to the left meter and the right meter; and a light absorption plate is arranged between the left watch and the right watch. The device can visually detect flatness fluctuation on one section of transverse displacement, and has small error.

Description

Road flatness detection device for highway engineering

Technical Field

The utility model relates to a detection device field especially relates to a road roughness detection device for highway engineering.

Background

The road surface flatness detection is carried out on the road before road laying and construction, the flatness is judged according to the displacement of a single detection wheel in the conventional detection, so that the flatness change of the point of the detection wheel can be detected, but the flatness detection on a section of road surface, particularly the transverse line direction, is not in place, and the detection on the road surface has small errors.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the road flatness detecting device for highway engineering who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a road flatness detection device for highway engineering comprises a detection box, a plurality of detection rods, detection wheels, a plurality of detection structures, a plurality of direction structures and a plurality of comparison tables, wherein the detection rods are arranged in the detection box; a partition plate is arranged in the detection box, and the detection structure is arranged between the adjacent detection rods; the detection structure includes: the square upper pillar and the square lower pillar are vertically fixed on the partition plate, and the left watch and the right watch are respectively fixed on the upper pillar and the lower pillar; the pointing structure includes: the upper laser lamp and the lower laser lamp are arranged on the detection rod and respectively and correspondingly point to the left meter and the right meter; and a light absorption plate is arranged between the left meter and the right meter.

Preferably, the detection rod comprises in sequence according to the arrangement: a first rod, a second rod, a third rod, a fourth rod, a fifth rod and a sixth rod; the detection structures are provided with three groups which are respectively arranged between the first rod and the second rod, between the third rod and the fourth rod and between the fifth rod and the sixth rod.

Preferably, a balancing weight is mounted on the third rod and the fourth rod.

Preferably, there are two of the comparison tables, which are respectively arranged between the second rod and the third rod, and between the fourth rod and the fifth rod; the pointing structure further includes: pointers which are respectively fixed on the second rod, the third rod, the fourth rod and the fifth rod; the pointers all point to the comparison table.

Preferably, the detection device further comprises: the bottom plate is arranged at the bottom of the detection box, and the positioning plate is arranged in the detection box and is parallel to the bottom plate; a first through hole and a second through hole are correspondingly arranged on the bottom plate and the positioning plate; the detection rod is arranged in the first through hole and the second through hole.

Preferably, the detection device further comprises: the reset structure is fixed at the top of the detection box; the reset structure includes: the detection box comprises a fixed seat arranged on the inner wall of the top of the detection box, a fixed box arranged on the fixed seat and a spring fixed in the fixed box; the top of the detection rod is connected with the spring.

Preferably, an auxiliary plate is mounted on the positioning plate, a graphite ring is mounted on the auxiliary plate corresponding to the position of the detection rod, and the graphite ring is sleeved on the outer wall of the detection rod.

The utility model has the advantages that: firstly, arranging a left meter and a right meter and detecting flatness errors on a section of transverse displacement by adopting laser beams of a laser lamp; secondly, the upper and lower struts are arranged to detect a section of displacement for multiple times, so that the occurrence of errors is reduced; thirdly, three detection structures are arranged to obtain flatness detection values in multiple sections of displacement; and fourthly, a comparison table is arranged to obtain a compared detection value, so that reading errors are eliminated, and the reading is intuitive. The device can visually detect flatness fluctuation on one section of transverse displacement, and has small error.

Drawings

Fig. 1 is a front view of the detecting device of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a partial view at A of FIG. 1;

fig. 4 is a top view of the detecting device of the present invention.

Reference numbers in the figures: 1 detection case, 11 bottom plates, 111 first through-hole, 12 locating plates, 121 second through-hole, 13 accessory plate, 131 graphite circles, 14 curb plates, 141 wheel, 15 baffles, 2 detection poles, 21 first pole, 22 second pole, 23 third pole, 24 fourth pole, 25 fifth pole, 26 sixth pole, 3 detection wheel, 4 detection structure, 41 upper support, 42 lower support, 43 left table, 44 right table, 45 board of inhaling, 5 balancing weights, 6 directional structure, 61 upper laser lamp, 62 lower laser lamp, 63 pointer, 7 contrast table, 8 reduction structure, 81 fixing base, 82 fixing box, 83 spring.

Detailed Description

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.

Referring to fig. 1-4, 1, a road flatness detecting device for highway engineering, comprising a detecting box 1 and a plurality of detecting rods 2 installed in the detecting box 1, detecting wheels 3 rotatably installed at the bottoms of the detecting rods 2, a plurality of detecting structures 4 arranged between the detecting rods 2, a plurality of directing structures 6 fixed on the detecting rods 2, and a plurality of comparison tables 7 installed between the detecting rods 2. A partition plate 15 is installed in the detection box 1, and the detection structure 4 is arranged between the adjacent detection rods 2.

The detection structure 4 comprises: an upper pillar 41 and a lower pillar 42 vertically fixed on the partition 15 and having a square shape, and a left watch 43 and a right watch 44 respectively fixed on the upper pillar 41 and the lower pillar 42, wherein the upper pillar 41 is located above the lower pillar 42, and the left watch 43 and the right watch 44 are adjacent. The pointing structure 6 comprises: an upper laser lamp 61 and a lower laser lamp 62 which are respectively arranged on the detection rod 2 and correspondingly point to the left meter 43 and the right meter 44. And a light absorption plate 45 is arranged between the left meter 43 and the right meter 44.

The working principle is as follows: when detection case 1 carried out on the road, because the road surface is uneven, detection wheel 3 can drive test rod 2 and take place to reciprocate, makes laser lamp and the pointer point position of fixing on test rod 2 change, obtains the roughness displacement that changes numerical value and just can obtain this point, sets up left table 43 and right table 44 and makes the displacement difference between the test rod 2 of two adjacent positions can directly perceivedly obtain. The change in displacement is measured by comparing table 7. Two upper and lower detection positions are arranged, so that the error caused by too long detection rod 2 can be counteracted, and the flatness detection value of a section of transverse position can be obtained by the small error through the arrangement.

The detection rod 2 sequentially comprises the following components in sequence: a first bar 21, a second bar 22, a third bar 23, a fourth bar 24, a fifth bar 25, a sixth bar 26. The detection structure 4 has three groups, respectively arranged between the first bar 21 and the second bar 22, between the third bar 23 and the fourth bar 24, and between the fifth bar 25 and the sixth bar 26. Through the arrangement, three detection groups are obtained, and displacement flatness difference values among three distances are respectively measured. And a difference in flatness of the distance from the first rod 21 to the sixth rod 26 can be obtained.

And the third rod 23 and the fourth rod 24 are provided with a balancing weight 5. Set up balancing weight 5, let one and two three, four five six poles form a detection group of area contrast respectively. The balancing weight 5 balances the weight, a contrast value with almost no fluctuation can be obtained, and a direct difference value of the flatness can be obtained after the contrast.

There are two of the comparison tables 7, which are respectively disposed between the second rod 22 and the third rod 23, and between the fourth rod 24 and the fifth rod 25. The pointing structure 6 further comprises: and pointers 63 fixed to the second rod 22, the third rod 23, the fourth rod 24 and the fifth rod 25, respectively. The pointers 63 all point to the comparison table 7. And similarly, setting a comparison group. The difference between the second rod 22 and the third rod 23 allows to directly see the variation of the second rod 22. The same applies to the fourth stem and the fifth stem.

Detection device still includes: a reset structure 8 fixed on the top of the detection box 1; the reset mechanism 8 includes: a fixed seat 81 installed on the inner wall of the top of the detection box 1, a fixed box 82 installed on the fixed seat 81, and a spring 83 fixed in the fixed box 82. The spring 83 is connected to the top of the detection rod 2. The spring 83 is used to help the test rod 2 to reset for the next measurement.

Detection device still includes: the detection box comprises a bottom plate 11 arranged at the bottom of the detection box 1 and a positioning plate 12 which is arranged in the detection box 1 and is parallel to the bottom plate 11. The bottom plate 11 and the positioning plate 12 are correspondingly provided with a first through hole 111 and a second through hole 121. The detection rod 2 is disposed in the first and second through

holes

111 and 121. The horizontal position of the detection rod 2 is convenient to stabilize by the arrangement, and the horizontal shaking is avoided.

An auxiliary plate 13 is mounted on the positioning plate 12, a graphite ring 131 is mounted on the auxiliary plate 13 at a position corresponding to the detection rod 2, and the graphite ring 131 is sleeved on the outer wall of the detection rod 2. The horizontal position of the detection rod 2 is convenient to stabilize by the arrangement, and the horizontal shaking is avoided.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The road flatness detection device for the highway engineering is characterized by comprising a detection box (1), a plurality of detection rods (2) arranged in the detection box (1), detection wheels (3) rotatably arranged at the bottoms of the detection rods (2), a plurality of detection structures (4) arranged between the detection rods (2), a plurality of direction structures (6) fixed on the detection rods (2), and a plurality of comparison tables (7) arranged between the detection rods (2); a partition plate (15) is arranged in the detection box (1), and the detection structure (4) is arranged between the adjacent detection rods (2);

the detection structure (4) comprises: an upper pillar (41) and a lower pillar (42) which are vertically fixed on the partition board (15) and are in a square shape, and a left watch (43) and a right watch (44) which are respectively fixed on the upper pillar (41) and the lower pillar (42), wherein the upper pillar (41) is positioned above the lower pillar (42), and the left watch (43) and the right watch (44) are adjacent; the pointing structure (6) comprises: an upper laser lamp (61) and a lower laser lamp (62) which are arranged on the detection rod (2) and respectively and correspondingly point to the left meter (43) and the right meter (44); and a light absorption plate (45) is arranged between the left watch (43) and the right watch (44).

2. The road flatness detecting device for road engineering according to claim 1, wherein the detecting rod (2) comprises in sequence: a first rod (21), a second rod (22), a third rod (23), a fourth rod (24), a fifth rod (25) and a sixth rod (26); the detection structure (4) has three groups, respectively arranged between the first rod (21) and the second rod (22), between the third rod (23) and the fourth rod (24), and between the fifth rod (25) and the sixth rod (26).

3. The road flatness detecting device for road engineering according to claim 2, wherein a balancing weight (5) is installed on the third rod (23) and the fourth rod (24).

4. A road flatness detecting device for road engineering according to claim 2, wherein there are two said comparison tables (7), respectively arranged between said second bar (22) and said third bar (23), and between said fourth bar (24) and said fifth bar (25); the pointing structure (6) further comprises: pointers (63) respectively fixed on the second rod (22), the third rod (23), the fourth rod (24) and the fifth rod (25); the pointers (63) all point to the comparison table (7).

5. The road flatness detecting device for road engineering according to claim 1, further comprising: the detection box comprises a bottom plate (11) arranged at the bottom of the detection box (1) and a positioning plate (12) which is arranged in the detection box (1) and is parallel to the bottom plate (11); a first through hole (111) and a second through hole (121) are correspondingly arranged on the bottom plate (11) and the positioning plate (12); the detection rod (2) is arranged in the first through hole (111) and the second through hole (121).

6. The road flatness detecting device for road engineering according to claim 1, further comprising: a reset structure (8) fixed on the top of the detection box (1); the reset structure (8) comprises: a fixed seat (81) arranged on the inner wall of the top of the detection box (1), a fixed box (82) arranged on the fixed seat (81), and a spring (83) fixed in the fixed box (82); the top of the detection rod (2) is connected with the spring (83).

7. The road flatness detecting device for road engineering according to claim 5, wherein an auxiliary plate (13) is installed on the positioning plate (12), a graphite ring (131) is installed on the auxiliary plate (13) corresponding to the position of the detecting rod (2), and the graphite ring (131) is sleeved on the outer wall of the detecting rod (2).