CN213328593U

CN213328593U - Road surface flatness detector for civil engineering

Info

Publication number: CN213328593U
Application number: CN202021844305.8U
Authority: CN
Inventors: 王劭琨; 王恩波; 黄春晖; 杨泽华
Original assignee: Shaanxi Polytechnic Institute
Current assignee: Shaanxi Polytechnic Institute
Priority date: 2020-08-29
Filing date: 2020-08-29
Publication date: 2021-06-01
Anticipated expiration: 2030-08-29

Abstract

The utility model discloses a road flatness detector for civil engineering, which can simplify the operation procedure, a road surface evenness detector which enables constructors to clearly and intuitively judge the road surface fluctuation difference condition through a ring-shaped undulation line, it is characterized in that the sliding seat is arranged on a transverse frame, two rails are arranged on the transverse frame, the rails extend from one end of the transverse frame to the other end, the section of the track is a T-shaped section, two T-shaped sliding blocks are arranged at the bottom of the sliding seat and correspond to the track, one side of the sliding seat is flush with one side of the transverse frame, the other side of the sliding seat extends out of the other side of the transverse frame, the fixing rod is arranged on the other side of the sliding seat, the fixing rod is perpendicular to the transverse frame, the routing pen is arranged at the end of the fixing rod, the two ends of the transverse frame are respectively provided with a support leg, and the lower portion of each support leg is horizontally bent towards one side of the transverse frame.

Description

Road surface flatness detector for civil engineering

Technical Field

The utility model relates to a road flatness detector for civil engineering relates to a road flatness detector that can detect the roughness on road surface, belongs to the civil engineering field. In particular to a road surface flatness detector which can simplify the operation procedure and simultaneously lead constructors to clearly and intuitively judge the road surface fluctuation difference condition through a ring-shaped undulating line.

Background

Before road engineering delivery acceptance, need constructor to detect the road surface roughness, guarantee that the road surface roughness accords with the design standard and the requirement of road construction, thereby ensure the construction quality of the road that will put into operation, current detection mode adopts 3 m's ruler survey roadbed road surface's thickness usually, place the ruler subaerial, then measure the clearance condition of ruler middle part bottom surface and road surface through the feeler gauge, judge the roughness on road surface with this through observing the road surface relief line, but this kind of measurement mode is because the road surface is undulant little, can't demonstrate the road surface relief line directly perceivedly, inconvenient constructor judges, in addition, this kind of measurement mode needs constructor to make a round trip to switch the feeler gauge and carry out the trial insertion crack, the repeated operation procedure, detection efficiency is slow.

Notice No. CN206496724U discloses a road flatness detection device, its characterized in that: including base and test bar, the logical groove along length direction is seted up to the base up end, the test bar bottom mounting has the wheel that rolls, the base sets up the spout of horizontal setting along length direction, sliding connection has the slider in the spout, the through-hole that supplies the test bar to pass is seted up to the slider, the test bar passes the through-hole and slides and connect in leading to the inslot, base one side is fixed with the drawing board, the test bar upper end is fixed with the painting brush with drawing board matched with through fixed subassembly, its sharp picture of the device is because setting-out length is long, and the undulation difference on road surface is less moreover, and the personnel are very difficult clear sees out the undulation of sharp undulant.

Disclosure of Invention

In order to improve the situation, the utility model relates to a road flatness detector for civil engineering provides one kind and can make constructor clear judge the road surface roughness difference condition directly perceivedly through the circled winding line when simplifying the operation procedure.

The utility model relates to a road flatness detector for civil engineering is realized like this: the utility model relates to a road flatness detector for civil engineering comprises strutting arrangement and detection device, and strutting arrangement comprises crossbearer, track, sliding seat, stabilizer blade, T type slider, dead lever and routing pen, and the sliding seat is arranged in on the crossbearer, it has two tracks to open on the crossbearer, the track extends to the other end from the one end of crossbearer, orbital cross-section is T shape cross-section, two T type sliders have been put to the sliding seat bottom, T type slider and track are corresponding, one side of sliding seat flushes with one side of crossbearer mutually, the opposite side of sliding seat extends the opposite side of crossbearer, and the dead lever is arranged in on the opposite side of sliding seat, dead lever and crossbearer are mutually perpendicular, routing pen has been put to the tip of dead lever, the stabilizer blade has been put respectively at the both ends of crossbearer, the lower part of stabilizer blade is bent to one side level of crossbearer, and detection device is by pull, Measuring wheel, link, spring, traveller, fixed cover, connecting axle, straight line, stopper and scale mark are constituteed, and fixed cover is arranged in the sliding seat perpendicularly on, fixed cover is rectangle frame column structure, and in fixed cover was arranged in to the one end of pull rod, and laminated mutually with the top of fixed cover, the other end of pull rod passes fixed cover extension and arranges the fixed cover outside in, and traveller slidable arranges in fixed cover, fixed cover embeds there is the spring, the one end and the pull rod of spring are connected, the other end of spring is fixed to be arranged in on the traveller, and the one end of traveller is arranged in to the stopper, the stopper is located the opposite side of crossbearer, the outer lane of stopper and fixed cover is laminated mutually, and the one end of link is arranged in perpendicularly on the other end of traveller, leave the space between link and the crossbearer, link and dead lever that parallels, the measuring wheel is, the measuring wheel is in contact with the routing pen, a plurality of scale marks are arranged on the measuring wheel at equal intervals along the radial direction, the scale marks are ring-shaped scale marks, a plurality of straight lines are arranged on the measuring wheel at equal angles, the straight lines are intersected with the ring-shaped scale marks, and scales are arranged on the straight lines.

Has the beneficial effects.

The structure is simple, and the device is convenient and practical.

Secondly, the cost is low, and the popularization is convenient.

And thirdly, the constructors can clearly and intuitively judge the fluctuation difference condition of the road surface through the ring-shaped undulating line.

Fourthly, the detection of the pavement evenness by constructors can be facilitated, the operation procedure is simplified, and the detection efficiency is improved.

Drawings

Fig. 1 the utility model relates to a road flatness detector's spatial structure chart for civil engineering.

Fig. 2 the utility model relates to a road flatness detector's for civil engineering structural schematic.

Fig. 3 the utility model relates to a road flatness detector measuring wheel's for civil engineering structural schematic.

In the attached drawings

Wherein the method comprises the following steps: the measuring device comprises a transverse frame 1, a track 2, a pull rod 3, a sliding seat 4, supporting legs 5, measuring wheels 6, a connecting frame 7, a spring 8, a sliding column 9, a fixing sleeve 10, a T-shaped sliding block 11, a fixing rod 12, a marking pen 13, a connecting shaft 14, a straight line 15, a limiting block 16 and scale marks 17.

The specific implementation mode is as follows:

the utility model relates to a road flatness detector for civil engineering is realized like this: the utility model relates to a road flatness detector for civil engineering, which comprises a supporting device and a detecting device, wherein the supporting device comprises a cross frame 1, a track 2, a sliding seat 4, supporting feet 5, a T-shaped slide block 11, a fixed rod 12 and a routing pen 13, the sliding seat 4 is arranged on the cross frame 1, the cross frame 1 is provided with two tracks 2, the tracks 2 extend from one end of the cross frame 1 to the other end, the cross section of the tracks 2 is a T-shaped cross section, two T-shaped slide blocks 11 are arranged at the bottom of the sliding seat 4, the T-shaped slide blocks 11 correspond to the tracks 2, one side of the sliding seat 4 is flush with the cross frame 1, the other side of the sliding seat 4 extends out of the cross frame 1 and is positioned outside the cross frame 1, the fixed rod 12 is arranged on the other side of the sliding seat 4, the fixed rod 12 is vertical to the cross frame 1, the routing pen 13 is detachably arranged at the end part of the fixed rod 12, the two ends of the, the lower part of the supporting leg 5 is horizontally bent towards one side of the transverse frame 1, the detection device is composed of a pull rod 3, a measuring wheel 6, a connecting frame 7, a spring 8, a sliding column 9, a fixed sleeve 10, a connecting shaft 14, a straight line 15, a limiting block 16 and scale marks 17, the fixed sleeve 10 is vertically arranged on the sliding seat 4, the fixed sleeve 10 is of a rectangular frame-shaped structure, one end of the pull rod 3 is arranged in the fixed sleeve 10 and is attached to the top of the fixed sleeve 10, the other end of the pull rod 3 penetrates through the fixed sleeve 10 to extend to be arranged outside the fixed sleeve 10, the sliding column 9 can be slidably arranged in the fixed sleeve 10, the spring 8 is arranged in the fixed sleeve 10, one end of the spring 8 is connected with the pull rod 3, the other end of the spring 8 is fixedly arranged on the sliding column 9, the limiting block 16 is arranged at one end of the sliding column 9, the limiting, one end of the connecting frame 7 is vertically arranged on the other end of the sliding column 9, a gap is left between the connecting frame 7 and the transverse frame 1, the connecting frame 7 is parallel to the fixed rod 12, the measuring wheel 6 is arranged at the other end of the connecting frame 7 through a connecting shaft 14, the measuring wheel 6 is contacted with the marking pen 13, a plurality of scale marks 17 are arranged on the measuring wheel 6 along the radial direction at equal intervals, the scale mark 17 is a ring-shaped scale mark 17, a plurality of straight lines 15 are arranged on the measuring wheel 6 at equal angles, the straight line 15 is crossed with a ring-shaped scale mark 17, scales are arranged on the straight line 15, a rubbing strip is arranged on the measuring wheel 6, the limiting block 16 is provided with a groove corresponding to the outer ring of the fixed sleeve 10, the groove is filled with lubricating grease, the outer side wall of the fixed sleeve 10 is provided with a reinforcing rib which is of a triangular structure, and the bottom of the reinforcing rib is fixedly connected with the sliding seat 4.

When the device is used, when the pavement evenness needs to be detected, the device is firstly placed on a pavement to be detected, the support legs 5 are attached to the pavement to enable the device to be stable, the sliding seat 4 is moved to one end of the transverse frame 1, the routing pen 13 is inserted into the fixed rod 12 to enable the routing pen 13 to be in contact with the measuring wheel 6, the pull rod 3 is held by a hand, the pull rod 3 drives the spring 8 and the sliding column 9 to move upwards, at the moment, the spring 8 between the railing and the sliding column 9 is not deformed and is in a balanced state, the pull rod 3 is pulled, the pull rod 3 drives the fixed sleeve 10 to move towards the other end of the transverse frame 1, the fixed sleeve 10 drives the sliding column 9 and the connecting frame 7 to move in the same direction, meanwhile, the measuring wheel 6 on the connecting frame 7 rolls on the pavement, the routing pen 13 is in contact with the measuring wheel 6, when the pavement is even, the routing pen 13 draws a regular circle-shaped curve on the measuring wheel 6, and facilitates detection of pavement evenness by constructors, the operation procedure is simplified, when the road surface is convex upwards, the measuring wheel 6 rolls on the road surface and moves upwards at the same time, the connecting frame 7 is pushed to move upwards, the connecting frame 7 pushes the sliding column 9 to extrude the spring 8, the spring 8 is pressed, when the road surface is flat, the spring 8 resets, the sliding column 9 is pushed to move downwards, the connecting frame 7 drives the roller wheel to move downwards, when the road surface is sunken downwards, the measuring wheel 6 rolls on the road surface and moves downwards at the same time, the connecting frame 7 is pulled to move downwards, the connecting frame 7 pulls the sliding column 9 to stretch the spring 8, the spring 8 is pulled, when the road surface is smooth, the spring 8 is reset, the sliding column 9 is pulled to move upwards, the connecting frame 7 drives the roller to move upwards and return to the initial position, the repeated movement is carried out in sequence, so that the repeated deviation is generated between the marking pen 13 and the scale mark 17, an irregular circle-shaped curve is drawn on the measuring wheel 6, so that construction personnel can conveniently and visually judge the fluctuation difference condition of the road surface;

the reinforcing rib is arranged on the outer side wall of the fixed sleeve 10 and is of a triangular structure, and the bottom of the reinforcing rib is fixedly connected with the sliding seat 4, so that the joint of the fixed sleeve 10 and the sliding seat 4 can be reinforced, the strength of a base point at the joint of the fixed sleeve 10 and the sliding seat 4 is increased, and the joint of the fixed sleeve 10 and the sliding seat 4 is prevented from being broken due to pulling force;

the limiting block 16 is provided with a groove corresponding to the outer ring of the fixed sleeve 10, the groove is internally provided with lubricating grease, and when the limiting block 16 is matched with the sliding column 9 to slide, the friction force between the limiting block 16 and the outer ring of the fixed sleeve 10 can be reduced, so that the resistance of the fixed sleeve 10 to the limiting block 16 is reduced, and the pavement flatness detection result is more accurate;

the design that the rubbing strip is arranged on the measuring wheel 6 can increase the friction force between the measuring wheel 6 and the road surface, so that the measuring wheel 6 can roll on the road surface, and a circular curve is drawn by matching with the marking pen 13, so that a constructor can clearly and visually judge the fluctuation difference condition of the road surface;

the measuring wheel 6 is in contact with the routing pen 13, a plurality of scale marks 17 are arranged on the measuring wheel 6 at equal intervals along the radial direction, the scale marks 17 are designed to be ring-shaped scale marks 17, so that when the road surface is flat, the routing pen 13 draws a regular ring-shaped curve on the measuring wheel 6, when the road surface is uneven, the sliding column 9 is matched with the sliding of the spring 8 between the fixing sleeves 10, the routing pen 13 and the scale marks 17 are repeatedly deviated, and an irregular ring-shaped curve is drawn on the measuring wheel 6, so that a constructor can conveniently and visually judge the fluctuation difference condition of the road surface;

a plurality of straight lines 15 are arranged at equal angles on the measuring wheel 6, the straight lines 15 are intersected with the ring-shaped scale lines 17, and the straight lines 15 are provided with scales, so that a constructor can more clearly and intuitively know the fluctuation of a ring-shaped curve by observing the scales on the straight lines 15, and the fluctuation difference condition of the road surface can be more clearly and intuitively judged;

the pull rod 3 is pulled to facilitate detection of the pavement evenness by constructors, and the purposes that the constructors can clearly and intuitively judge the pavement fluctuation difference condition by drawing a circular undulating line through the routing pen 13 while simplifying the operation procedure are achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a road flatness detector for civil engineering, characterized by: the device comprises a supporting device and a detection device, wherein the supporting device comprises a cross frame, a track, a sliding seat, support legs, a T-shaped sliding block, a fixed rod and a routing pen, the sliding seat is arranged on the cross frame, the cross frame is provided with two tracks, the tracks extend from one end of the cross frame to the other end, the T-shaped sliding block corresponds to the tracks, one side of the sliding seat is flush with one side of the cross frame, the other side of the sliding seat extends out of the other side of the cross frame, the fixed rod is arranged on the other side of the sliding seat and is vertical to the cross frame, the routing pen is arranged at the end part of the fixed rod, the lower part of the support legs is horizontally bent towards one side of the cross frame, the detection device comprises a pull rod, a measuring wheel, a connecting frame, a spring, a sliding column, a fixed sleeve, a connecting shaft, a straight line, a limiting block and a scale line, the fixed, the one end of pull rod is arranged in fixed cover, and is laminated mutually with the top of fixed cover, the other end of pull rod passes fixed cover extension and arranges fixed cover outside in, and in fixed cover was arranged in to traveller slidable, fixed cover built-in has the spring, the one end and the pull rod of spring are connected, on the traveller was arranged in to the other end of spring is fixed, the one end of traveller was arranged in to the stopper, the stopper is located the opposite side of crossbearer, the outer lane of stopper and fixed cover is laminated mutually, and the one end of link is arranged in perpendicularly on the other end of traveller, leave the space between link and the crossbearer, link and dead lever parallel, measuring wheel arrange in on the other end of link through the connecting axle, measuring wheel and routing pen contact mutually.

2. The instrument of claim 1, wherein the track has a T-shaped cross-section, and two T-shaped slides are disposed at the bottom of the sliding seat.

3. The instrument of claim 1, wherein the cross member has support legs at each end.

4. The instrument of claim 1, wherein the measuring wheel has a plurality of graduations disposed along a radial direction at equal intervals.

5. The instrument of claim 1, wherein the scale marks are circular scale marks.

6. The instrument of claim 1, wherein the measuring wheel has a plurality of straight lines disposed at equal angles, and the straight lines have scales.

7. The instrument of claim 1, wherein the straight line intersects the circle-shaped graduation line.