CN219653452U

CN219653452U - Road surface roughness detects instrument

Info

Publication number: CN219653452U
Application number: CN202223500777.3U
Authority: CN
Inventors: 王静
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-09-08
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a road surface flatness detection tool, which comprises a ruler and a flatness observation frame, wherein the flatness observation frame comprises a main rod and a mounting seat I positioned at one side of the main rod, a through hole is formed in the mounting seat I, a measuring ruler can be arranged in the through hole in a sliding manner up and down, a roller I is arranged at the bottom of the measuring ruler, scales are arranged on the measuring ruler, and a spring for enabling the measuring ruler to move downwards is arranged in the mounting seat I; the side face of the ruler is provided with a sliding groove, a sliding block is arranged in the sliding groove, and the bottom of the main rod extends into the sliding groove and is in threaded connection with the sliding block; the rear side of mobile jib sets up the bracing piece, and the end of bracing piece sets up gyro wheel II, and gyro wheel II top is in the side of ruler. The utility model can conveniently and rapidly measure the road surface flatness.

Description

Road surface roughness detects instrument

Technical Field

The utility model relates to a road surface flatness detection tool.

Background

After pavement construction, the construction quality of the pavement needs to be detected, wherein the pavement flatness measurement is carried out, and the existing pavement flatness detection modes mainly comprise two types: 1. a 3-meter ruler is placed on a road surface, and then a wedge-shaped feeler gauge is used for measuring the gap between the ruler and the road surface; 2. a laser flatness measuring device is used. The laser flatness measuring equipment has higher cost, is inconvenient to use, and has no flexibility of a 3-meter ruler. And the 3 m ruler needs to be frequently inserted into a gap for measurement, so that the operation is troublesome.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a road surface flatness detection tool which is based on a ruler and can conveniently and rapidly measure the road surface flatness.

The utility model provides a road surface roughness detects instrument, it includes ruler and roughness observation frame, the roughness observation frame includes mobile jib and is located mount pad I of mobile jib one side, sets up the through-hole on the mount pad I, but the measuring scale of sliding up and down in the through-hole, the bottom of measuring scale sets up gyro wheel I, set up the scale on the measuring scale, set up the spring that makes measuring scale downward movement in the mount pad I; the side face of the ruler is provided with a sliding groove, a sliding block is arranged in the sliding groove, and the bottom of the main rod extends into the sliding groove and is in threaded connection with the sliding block; the rear side of mobile jib sets up the bracing piece, and the end of bracing piece sets up gyro wheel II, and gyro wheel II top is in the side of ruler.

Further, the rear side of mobile jib sets up mount pad II, the bracing piece can slide from top to bottom and set up on mount pad II, and set up the locking bolt that is used for locking the bracing piece on mount pad II.

Further, the left and right sides of slider sets up the pulley, and the upper surface intermediate position of slider sets up the screw thread section of thick bamboo, and the below symmetry of screw thread section of thick bamboo sets up axial fluting, runs through in the fluting and sets up the tight board of top, sets up tight spring in top between tight board and the slider.

The beneficial effects of the utility model are as follows:

the flatness observation frame designed by the utility model can slide along the ruler, so that the quick display of flatness is realized, the flatness observation frame can be detached from the ruler, other purposes of the ruler are not affected, and the ruler is multipurpose.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model (mount I partially cut away);

FIG. 3 is a schematic view of a slider structure according to the present utility model;

in the figure, a ruler 1, a sliding chute 11, a flatness observing frame 2, a main rod 21, a mounting seat I22, a mounting seat II 23, a measuring ruler 3, a roller I31, a spring 4, a sliding block 5, a pulley 51, a threaded cylinder 52, a groove 53, a tightening plate 54, a tightening spring 55, a supporting rod 6, a roller II 61 and a locking bolt 7.

Detailed Description

For a better understanding of the present utility model, embodiments of the present utility model are explained in detail below with reference to fig. 1-3. Fig. 1 and 2 show a state in which the side surface of the ruler 1 is placed on the ground after being raised.

The road surface flatness detection tool comprises a ruler 1 and a flatness observation frame 2, wherein the flatness observation frame 2 comprises a main rod 21 and a mounting seat I22 positioned on one side of the main rod 21, a through hole is formed in the mounting seat I22, a measuring ruler 3 can be arranged in the through hole in a sliding mode up and down, and the measuring ruler 3 is preferably cylindrical. The bottom of the measuring ruler 3 is provided with a roller I31. The main lever 21 may have a length as required, and a grip may be provided on the main lever 21. The scale is arranged on the measuring scale 3, the upper surface of the mounting seat I22 is used as a reading datum line of the scale, when the lowest surface of the roller I31 is flush with the other side surface of the straight scale 1, a zero scale mark on the measuring scale 3 is aligned with the upper surface of the mounting seat I22, and the scale value above the zero scale mark is larger and larger.

The spring 4 which enables the measuring ruler 3 to move downwards is arranged in the mounting seat I22, the specific structure is shown in fig. 2, the annular table I is arranged below the measuring ruler 3, the annular table II is arranged above the through hole in the mounting seat I22, the spring 4 is sleeved on the measuring ruler 3, the upper end and the lower end of the spring 4 are limited by the annular table I and the annular table II, of course, the lower end of the spring 4 can be fixed on the annular table I, the diameter of the annular table I is slightly smaller than that of the through hole, and when the measuring ruler is used, the upper end of the measuring ruler 3 is directly inserted into the through hole, so that the spring 4 and the annular table I are located in the through hole.

The side of ruler 1 sets up spout 11, and the spout cross section is down T, set up slider 5 in the spout 11, the bottom of mobile jib 21 stretches into behind the spout 11 with slider 5 threaded connection. The contact surface of the sliding block 5 in the sliding groove 11 can be provided with a plurality of pulleys to ensure smooth sliding. Specifically, as shown in fig. 3, in one embodiment of the sliding block of the present utility model, the sliding block 5 is provided with the pulleys 51 on the left and right sides, the threaded cylinder 52 is disposed in the middle of the upper surface of the sliding block 5, the axial slots 53 are symmetrically disposed below the threaded cylinder 52, four slots 53 are disposed at equal intervals, the tightening plate 54 is cross-shaped, four sides of the tightening plate 54 pass through the slots 53, and the tightening spring 55 is disposed between the tightening plate 54 and the sliding block 5, so that under the action force of the tightening spring 55, the tightening plate 54 is propped against the inner top wall of the sliding groove 11, and the sliding block 5 slides at will when the ruler 1 is used normally. When the flatness observing bracket 2 is required to be mounted, the main lever 21 presses down the knock-up plate 54 so that the knock-up plate 54 is separated from the inner top wall of the chute 11. Of course, the bottom of the main rod 21 may be inserted into the sliding block 5, and in particular, the threaded cylinder 52 may be designed as an unthreaded elastic plastic cylinder, where the bottom diameter of the main rod 21 is slightly larger than the inner diameter of the elastic plastic cylinder.

The rear side of the main rod 21 is provided with a supporting rod 6, the tail end of the supporting rod 6 is provided with a roller II 61, and the roller II 61 is propped against the side surface of the ruler 1, so that the main rod 21 can be kept stable when sliding. Specifically, the rear side of mobile jib 21 sets up mount pad II 23, sets up the through-hole on mount pad II 23, but bracing piece 6 upper and lower slip setting is in the through-hole of mount pad II 23, and sets up the locking bolt 7 that is used for locking bracing piece 6 on mount pad II 23, after installing mobile jib 21, adjusts bracing piece 6, makes gyro wheel II 61 contact ruler 1's side, then screws up locking bolt 7 can.

When the utility model is not used for detecting the road surface flatness, the flatness observation frame 2 is not installed, the ruler 1 is the same as the ruler for the existing building measurement, the structure of the ruler is simplified in the drawing, the external level instrument, the inclination angle instrument and the like are not shown, and the ruler 1 can be a folding ruler. When the road surface flatness needs to be measured, the main rod 21 is installed firstly, the supporting rod 6 is located on the installation seat II 23 during installation, and after the ruler is installed, the measuring ruler 3 is inserted from the bottom of the through hole of the installation seat I22.

It should be noted that, although the present disclosure describes embodiments, not every embodiment includes only a single embodiment, and the description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the embodiments in the examples may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a road surface roughness detects instrument, it includes the ruler, its characterized in that still includes the roughness observation frame, the roughness observation frame includes mobile jib and is located mount pad I of mobile jib one side, sets up the through-hole on the mount pad I, but the measuring scale of sliding up and down in the through-hole, and the bottom of measuring scale sets up gyro wheel I, set up the scale on the measuring scale, the measuring scale below sets up annular platform I, and the through-hole top on the mount pad I sets up annular platform II, and the spring housing is put on the measuring scale, and the upper and lower both ends of spring are spacing by annular platform I and annular platform II, the spring provides the power that makes the measuring scale downstream; the side face of the ruler is provided with a sliding groove, a sliding block is arranged in the sliding groove, and the bottom of the main rod extends into the sliding groove and is in threaded connection with the sliding block; the rear side of mobile jib sets up the bracing piece, and the end of bracing piece sets up gyro wheel II, and gyro wheel II top is in the side of ruler.

2. The road surface roughness detecting tool of claim 1, wherein the rear side of the main rod is provided with a mounting seat ii, the supporting rod is arranged on the mounting seat ii in a vertically sliding manner, and a locking bolt for locking the supporting rod is arranged on the mounting seat ii.

3. The pavement evenness detecting tool according to claim 1, wherein the pulleys are arranged on the left side and the right side of the sliding block, the thread cylinder is arranged in the middle of the upper surface of the sliding block, the axial grooves are symmetrically arranged below the thread cylinder, the tightening plates are arranged in the grooves in a penetrating manner, and the tightening springs are arranged between the tightening plates and the sliding block.