CN216193851U

CN216193851U - Highway roughness detection device

Info

Publication number: CN216193851U
Application number: CN202122704400.9U
Authority: CN
Inventors: 许瑞刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a road flatness detection device, and relates to the technical field of flatness detection equipment. The three-meter ruler comprises a detachable plate body which can be placed on a road surface and has a gap with the road surface, wherein a placing groove for placing the three-meter ruler is formed in the plate body, and the length of the placing groove is larger than that of the three-meter ruler. According to the utility model, the distance between the board body and the roadside line is measured by the measuring scale, the three-meter ruler is placed into the placing groove after the balancing weight is fixed with the board body by the fixing piece, and the bottom of the three-meter ruler is directly contacted with the ground due to the gap between the board body and the pavement, so that the three-meter ruler can not move when the wedge-shaped clearance gauge is plugged into the gap between the three-meter ruler and the ground and the wedge-shaped clearance gauge is contacted with the three-meter ruler under the action of the balancing weight, the accuracy of a detection result is ensured, meanwhile, the whole three times of detection operation can be completed in the placing groove due to the longer length of the placing groove, and the detection position can not deviate.

Description

Highway roughness detection device

Technical Field

The utility model relates to the technical field of flatness detection equipment, in particular to a road flatness detection device.

Background

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.

The method for measuring the pavement evenness by using the three-meter ruler is widely used, and the specific operation method comprises the steps of placing the three-meter ruler at a position 80-100cm away from a road side line, observing a gap between the bottom of the three-meter ruler and a road surface, inserting the wedge-shaped feeler into the gap at the maximum gap until the wedge-shaped feeler is in contact with the lower edge of the three-meter ruler, moving a marking strip for marking a scale position on the wedge-shaped feeler, and taking out the wedge-shaped feeler for reading. In the operation, the wedge-shaped filler gauge is plugged into the gap and can cause the position of the three-meter straight ruler to move in the process of contacting with the three-meter straight ruler, so that the detection result is inaccurate, and meanwhile, when three times of continuous detection are carried out at one detection point, the three times of detection positions are difficult to ensure not to deviate, so that the road flatness detection device is designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the utility model provides a road flatness detection device, which aims to solve the problems that in the process that a wedge-shaped feeler gauge is plugged into a gap and is in contact with a three-meter straight ruler, the position of the three-meter straight ruler is moved, so that the detection result is inaccurate, and the position of three times of detection is difficult to be prevented from being deviated.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a highway roughness detection device, including can place on the road surface and with the road surface between there be the detachable plate body in clearance, set up on the plate body and be used for putting into three meters straight ruler the standing groove length is greater than the length of three meters straight ruler, the plate body both ends are all fixed with the balancing weight through the mounting is detachable, still including accomodating dipperstick on the plate body, it is used for measuring the distance of plate body and roadside line.

Further, the plate body comprises two symmetrically-arranged U-shaped plates, two connecting plates are arranged in front of the U-shaped plates, two clamping blocks are symmetrically fixed at two ends of each connecting plate, and clamping grooves for the clamping blocks to be placed into are formed in the U-shaped plates.

Furthermore, two support rods are symmetrically fixed at the bottom of the U-shaped plate.

Furthermore, scale marks are arranged in the U-shaped area of the U-shaped plate and on the connecting plate.

Furthermore, the connecting plate is provided with a containing groove, the measuring scale is hinged to be installed in the containing groove, the containing groove and the measuring scale are both fixed with a magnetic suction plate, and a first handle is fixed on one side, opposite to the magnetic suction plate, of the measuring scale.

Furthermore, the mounting is including fixing the fixed plate of U-shaped plate tip, the fixed plate top is fixed with the body of rod, be fixed with T shape pole on the balancing weight and run through the structure on the T shape pole and have the jack that supplies the body of rod to pass.

Further, a second handle is fixed to the top of the balancing weight.

The utility model has the following beneficial effects:

according to the utility model, the distance between the board body and the roadside line is measured by the measuring scale, the three-meter ruler is placed into the placing groove after the balancing weight is fixed with the board body by the fixing piece, and the bottom of the three-meter ruler is directly contacted with the ground due to the gap between the board body and the pavement, so that the three-meter ruler can not move when the wedge-shaped clearance gauge is plugged into the gap between the three-meter ruler and the ground and the wedge-shaped clearance gauge is contacted with the three-meter ruler under the action of the balancing weight, the accuracy of a detection result is ensured, meanwhile, the whole three times of detection operation can be completed in the placing groove due to the longer length of the placing groove, and the detection position can not deviate.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a front view of the present invention.

Reference numerals: 1. a plate body; 101. a U-shaped plate; 102. a connecting plate; 2. a placement groove; 3. a fixing member; 301. a fixing plate; 302. a rod body; 303. a T-shaped rod; 4. a balancing weight; 5. measuring a scale; 6. a clamping block; 7. a support bar; 8. scale lines; 9. a receiving groove; 10. a magnetic attraction plate; 11. a first handle; 12. and a second handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

As shown in fig. 1 and 2, a road flatness detecting apparatus according to an embodiment of the present invention includes a detachable plate 1 that can be placed on a road surface and has a gap with the road surface, and the plate 1 is integrally rectangular and horizontally arranged, wherein a placement groove 2 for placing a three-meter ruler is formed on the plate 1, the length of the placement groove 2 is greater than the length of the three-meter ruler, and it should be noted that the length of the placement groove 2 is greater than the total length required for three times of detection, and at the same time, two ends of the plate 1 are detachably fixed with a weight 4 through a fixing member 3, and the weight 4 is made of a metal material with a large density, and the present invention further includes a measuring ruler 5 that is accommodated on the plate 1 and is used for measuring the distance between the plate 1 and a road side line, because the overall length of the plate 1 is long, the detachable design is to facilitate the detachment, transportation and carrying of the plate 1, when the wedge-shaped clearance gauge is used, firstly, the plate body 1 is assembled, then the measuring scale 5 on the plate body 1 is used for measuring the distance between the plate body 1 and the roadside line, the distance between one side, close to the roadside line, of the placing groove 2 and the roadside line needs to be ensured to be 80-100cm, after the plate body 1 is placed on the ground, the two balancing weights 4 are respectively fixed with two ends of the plate body 1 by using the fixing piece 3, then the three-meter ruler is placed into the placing groove 2, the bottom of the three-meter ruler can be directly contacted with the ground due to the gap between the bottom of the plate body 1 and the ground, then the gap between the three-meter ruler and the ground is observed, the position with the largest gap is found, the wedge-shaped clearance gauge is inserted into the gap, the wedge-shaped clearance gauge is controlled to be contacted with the lower edge of the three-meter ruler, due to the effect of the balancing weights 4 on the plate body 1, the movement of the plate body 1 cannot be caused when the wedge-shaped clearance gauge is contacted with the plate body 1, thereby the accuracy of testing result has been guaranteed, treat wedge feeler gauge and three meters ruler contact back, mark the scale on the wedge feeler gauge, then take out the wedge feeler gauge and carry out the reading, mark the terminal position of three meters ruler in standing groove 2 again, then remove three meters rulers and make the position coincidence of its front end and mark, carry out the detection next time again, and because 2 lengths of standing groove are greater than the length that the cubic detected needs, thereby can accomplish the cubic and detect under the unchangeable condition in plate body 1 position, the position of having guaranteed the detection does not take place the skew, thereby such design has solved the wedge feeler gauge and fill in the gap and can lead to the position of three meters ruler to take place to remove and lead to the inaccurate problem that hardly guarantee the position that the cubic detected does not take place the skew of testing result with the in-process of three meters ruler contact.

As shown in fig. 1, specifically, the plate body 1 includes two U-shaped plates 101 symmetrically disposed, two connecting plates 102 are disposed in front of the two U-shaped plates 101, the connecting plates 102 are rectangular, and two ends of the connecting plates 102 are symmetrically fixed with two fixture blocks 6, where a slot for placing the fixture block 6 is formed on the U-shaped plate 101, it should be noted that, in an embodiment of the present invention, the fixture block 6 is T-shaped, and the corresponding slot is also T-shaped.

As shown in fig. 1 and 3, in particular, the gap between the plate body 1 and the ground is ensured by symmetrically fixing two support rods 7 at the bottom of the U-shaped plate 101.

As shown in fig. 1, preferably, in order to mark the position of the three-meter ruler in the placing groove 2, scale marks 8 are provided in the U-shaped area of the U-shaped plate 101 and on the connecting plate 102, so that after the three-meter ruler is placed in the placing groove 2, the scale number of the end of the three-meter ruler on the scale marks 8 can be observed, and the continuity of the position where the three-meter ruler is placed can be ensured when the three-meter ruler is moved subsequently.

As shown in fig. 1, 2 and 3, in an embodiment of the present invention, a receiving slot 9 is formed on the connecting plate 102, wherein the measuring tape 5 is hinged in the receiving slot 9, and a magnetic attraction plate 10 is fixed in the receiving slot 9 and on the measuring tape 5, the magnetic attraction plate 10 is designed to ensure the position of the measuring tape 5 is fixed when the measuring tape 5 is received in the receiving slot 9, and a handle 11 is fixed on the measuring tape 5 on a side opposite to the magnetic attraction plate 10 to facilitate pulling out the measuring tape 5 from the receiving slot 9 when the measuring tape 5 is used.

As shown in fig. 1 and fig. 3, preferably, the fixing member 3 includes a fixing plate 301 fixed at an end of the U-shaped plate 101, and the fixing plate 301 is rectangular and arranged in a horizontal direction, and a rod 302 is fixed at a top of the fixing plate 301, where the rod 302 is cylindrical and arranged in a vertical direction, and at the same time, a T-shaped rod 303 is fixed on the counterweight 4 and a socket for the rod 302 to pass through is formed on the T-shaped rod 303, so that the counterweight 4 can be fixed with the U-shaped plate 101 by matching the rod 302 with the socket, and finally, the counterweight 4 can be fixed to the plate 1.

As shown in fig. 1, a second handle 12 is fixed on the top of the counterweight 4 for moving and carrying the counterweight 4.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a highway roughness detection device, its characterized in that, including can place on the road surface and with the road surface between detachable plate body (1) in clearance, offer on plate body (1) standing groove (2) that are used for putting into three meters rulers just standing groove (2) length is greater than the length of three meters rulers, plate body (1) both ends are all through mounting (3) detachable balancing weight (4) of being fixed with, still including accomodating dipperstick (5) on plate body (1), it is used for measuring the distance of plate body (1) and roadside line.

2. The road flatness detecting device according to claim 1, wherein the plate body (1) comprises two symmetrically arranged U-shaped plates (101), two connecting plates (102) are arranged in front of the two U-shaped plates (101), two clamping blocks (6) are symmetrically fixed at two ends of the connecting plates (102), and a clamping groove for placing the clamping blocks (6) is formed in each U-shaped plate (101).

3. A road flatness detecting device according to claim 2, characterized in that two support rods (7) are symmetrically fixed at the bottom of the U-shaped plate (101).

4. A road flatness detecting device according to claim 2, wherein the U-shaped plate (101) has graduation marks (8) in the U-shaped area and on the connecting plate (102).

5. The road flatness detecting device according to claim 4, wherein the connecting plate (102) is provided with a receiving groove (9), the measuring ruler (5) is hinged and installed in the receiving groove (9), the receiving groove (9) and the measuring ruler (5) are both fixed with a magnetic absorption plate (10), and a first handle (11) is fixed on the measuring ruler (5) at a side opposite to the magnetic absorption plate (10).

6. A road flatness detecting device as claimed in claim 2, wherein said fixing member (3) includes a fixing plate (301) fixed at the end of said U-shaped plate (101), a rod (302) is fixed at the top of said fixing plate (301), a T-shaped rod (303) is fixed on said counterweight (4), and a socket for said rod (302) to pass through is formed on said T-shaped rod (303).

7. A road flatness detecting device as claimed in claim 1, wherein a second handle (12) is fixed to the top of said balancing weight (4).