CN218813049U - Concrete road surface roughness detection device - Google Patents

Abstract

The utility model relates to a road surface roughness detects technical field, and discloses a concrete road surface roughness detection device, include the travelling car that removes at concrete ground, travelling car's lower extreme center department is connected with the roll frame through elastic support piece, installs the pivoted detection wheel on the roll frame, and detection wheel roll connection is on concrete ground, and the fixedly connected with bracing piece is located at the upper end center of roll frame, and the supported hole has been seted up to the upper end center department of travelling car, and the upper end of bracing piece is passed the supported hole and can be dismantled and be connected with the marker pen, and the upper end one side of travelling car rotates through the bearing frame and is connected with the axis of rotation. The utility model discloses compare 3m ruler method, the volume is littleer, when satisfying the detection, is convenient for transport and transportation more, corresponds with sunken section and protrusion section on the paper through the mark point of lime simultaneously, can learn the degree of depth of every sunken and protrusion in whole road surface.

Description

Concrete road surface roughness detection device

Technical Field

The utility model relates to a road surface roughness detects technical field, especially relates to a concrete road surface roughness detection device.

Background

The flatness of a cement concrete pavement can be defined as the elevation change of the pavement surface for inducing the running vehicles to vibrate, and is an important index for evaluating the service performance and the maintenance quality of the pavement. The change of the flatness index can reflect the comprehensive quality of the pavement, and most of pavement diseases almost affect the flatness, so the detection of the flatness is a very important link of pavement construction and maintenance.

At present, a 3m ruler method is commonly used for testing the pavement evenness, and the 3m ruler is a traditional pavement evenness testing method. The working principle is as follows: the 3m ruler is lightly placed on the road surface, the drawing instrument is moved to one end of the drawing instrument, the drawing instrument is pushed to the other end of the drawing instrument by hand, the measuring wheel under the drawing instrument drives the drawing needle to move up and down, meanwhile, the roller wheel is driven by the force transmission wheel to rotate, and the paper tape is driven to move, so that the drawing needle draws the geometric quantity of the road surface on the paper tape by the combination of the two movements, and then the road surface flatness value is obtained. But detect through the device, whole device size is great, is difficult for carrying, and the space that occupies during the transportation is also great moreover, is difficult for transporting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing among the prior art, and a concrete road surface roughness detection device who proposes.

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

the utility model provides a concrete road surface roughness detection device, includes the travelling car that removes on concrete ground, the lower extreme center department of travelling car is connected with the roll frame through elastic support piece, install the pivoted detection wheel on the roll frame, the detection wheel roll connection is on concrete ground, the fixedly connected with bracing piece of upper end center department of roll frame, the upper end center department of travelling car has seted up the holding hole, the upper end of bracing piece is passed the holding hole and can be dismantled and be connected with the marker pen, upper end one side of travelling car is rotated through the bearing frame and is connected with the axis of rotation, the movable sleeve is equipped with the rotating tube in the axis of rotation, the winding is connected with the paper on the rotating tube, the other end of paper is connected with be used for right the paper carries out the drive assembly of rolling, the lower extreme of travelling car has the mark unit about detection wheel symmetric connection.

Preferably, drive assembly includes the motor, the driving groove has been seted up to the one side that the bearing frame was kept away from to the travelling car upper end, the tank bottom at the driving groove is connected to the motor, there is the square bar of cross-section for the rectangle the output of motor through the coupling joint, the movable sleeve is equipped with the square pipe that the cross-section is the excircle inside on the pole wall of square bar, the one end connection that the rotating tube was kept away from to the paper is on the outer pipe wall of square pipe.

Preferably, the elastic supporting piece comprises a supporting ring, the supporting ring is connected to the upper end of the rolling frame and sleeved on the rod wall of the supporting rod, a spring in a compressed state is connected between the supporting ring and the movable trolley together, and the spring is sleeved on the rod wall of the supporting rod.

Preferably, the upper end of the supporting rod is fixedly connected with an elastic opening clamp, and the marking pen is movably clamped in the elastic opening clamp.

Preferably, the marking unit comprises two ash storage hoppers for storing lime, a supporting block is connected between each ash storage hopper and the corresponding movable trolley, the hopper bottoms of the ash storage hoppers are communicated with ash discharge pipes, and valves are mounted on the ash discharge pipes.

Preferably, all fixed the cup joint the supporting disk on the shaft wall of axis of rotation and the pole wall of square pole, the equal activity of rotating-barrel and square pipe sets up in the supporting disk upper end that corresponds.

Compared with the prior art, the utility model provides a concrete road surface roughness detection device possesses following beneficial effect:

1. this concrete road surface roughness detection device, when meeting depressed part and protrusion department, the marker pen draws corresponding sunken section and protrusion section on the paper, carries out audio-visual embodiment at the paper to the roughness on road surface, the later stage as long as measure the degree of depth of every section sunken section and protrusion section, can learn the degree of depth of every sunken part and protrusion section, whole device compares 3m ruler method, the volume is littleer, when satisfying the detection, be convenient for more transport and transportation.

2. This concrete road surface roughness detection device, after the detection wheel got into depressed part bottom or protrusion top, the short time opened detection wheel both sides ash pipe and goes up the valve, mark depressed part and protrusion, follow-up depressed part and the protruding section that only needs to pass through on the mark point of lime and the paper correspond, can learn the degree of depth of every depressed part and protrusion on the whole road surface.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses compare 3m ruler method, the volume is littleer, when satisfying the detection, is convenient for carry and transportation more, corresponds with sunken section and protruding section on the paper through the mark point of lime simultaneously, can learn the degree of depth of every sunken department and protruding department on whole road surface.

Drawings

Fig. 1 is a schematic structural view of a concrete pavement flatness detecting device provided by the utility model;

fig. 2 is a schematic diagram of a marking pen marking on a paper sheet when a road surface is detected.

In the figure: 1. moving the trolley; 2. a rolling frame; 3. detecting a wheel; 4. a support bar; 5. a support hole; 6. a marking pen; 7. a bearing seat; 8. a rotating shaft; 9. rotating the tube; 10. paper; 11. a motor; 12. a square bar; 13. a square tube; 14. a support ring; 15. a spring; 16. an elastic split clip; 17. a dust storage hopper; 18. a support block; 19. an ash discharging pipe; 20. a valve; 21. and (4) supporting the disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. 1-2, a concrete pavement evenness detection device, including a moving trolley 1 moving on a concrete ground, the lower center of the moving trolley 1 is connected with a rolling frame 2 through an elastic support member, a rotating detection wheel 3 is installed on the rolling frame 2, the diameter of the wheel used for walking of the moving trolley 1 is large, and is guaranteed not to be affected by small depressions on the road surface, the wheel used for walking of the moving trolley 1 is selected from a flat road surface, the detection wheel 3 is connected on the concrete ground in a rolling manner, the elastic support member includes a support ring 14, the support ring 14 is connected at the upper end of the rolling frame 2, the support ring 14 is sleeved on the rod wall of a support rod 4, a spring 15 in a compression state is connected between the support ring 14 and the moving trolley 1, the spring 15 is sleeved on the rod wall of the support rod 4, and the detection wheel 3 can move up and down according to the ground condition through the deformable action of the spring 15.

Roll upper end center department fixedly connected with bracing piece 4 of frame 2, the upper end center department of travelling car 1 has seted up supported hole 5, the upper end of bracing piece 4 passes supported hole 5 and fixedly connected with elasticity opening clamp 16, the activity joint has connect marker 6 in the elasticity opening clamp 16, upper end one side of travelling car 1 rotates through bearing frame 7 and is connected with axis of rotation 8, the movable sleeve is equipped with rotating tube 9 in the axis of rotation 8, the winding is connected with paper 10 on the rotating tube 9.

The other end of paper 10 is connected with the drive assembly who is used for carrying out the rolling to paper 10, drive assembly includes motor 11, the drive groove has been seted up to one side that bearing frame 7 was kept away from to 1 upper end of travelling car, motor 11 connects the tank bottom at the drive groove, motor 11's output has the square pole 12 that the cross-section is the rectangle through the coupling joint, the movable sleeve is equipped with the square pipe 13 that the cross-section is excircle internal side on the pole wall of square pole 12, the one end that the rotational tube 9 was kept away from to paper 10 is connected on the outer tube wall of square pipe 13, when motor 11 drives square pole 12 and rotates, drive square pipe 13 and rotate in step, and exert ascending pulling force to square pipe 13, can break away from square pipe 13 from square pipe 12, all fixed the supporting disk 21 that has cup jointed on the shaft wall of axis of rotation 8 and the pole wall of square pole 12, rotational tube 9 and the equal activity of square pipe 13 set up in corresponding supporting disk 21 upper end, support rotational tube 9 and square pipe 13 through supporting disk 21.

The lower extreme of travelling car 1 has the mark unit about detecting wheel symmetric connection, and the mark unit includes that two store up ash bucket 17 that have lime, store up and be connected with supporting shoe 18 between ash bucket 17 and the travelling car 1 jointly, and the fill end intercommunication of ash bucket 17 has ash pipe 19, installs valve 20 on the ash pipe 19, discharges lime in the ash bucket 17 through ash pipe 19, marks depressed part and protrusion.

The working principle is as follows: the method comprises the following steps of putting a moving trolley 1 on a concrete pavement to be detected, starting a motor 11, driving a square pipe 13 to rotate by the motor 11, pulling out paper 10 on a rotating pipe 9 and winding the paper on the square pipe 13, enabling a marking pen 6 to slide a transverse line on the paper 10, pushing the moving trolley 1 to linearly move on the concrete ground, driving a detection wheel 3 to roll on the concrete ground, when a depression is met, pushing a rolling frame 2 and the detection wheel 3 to move downwards by a compressed spring 15, enabling the detection wheel 3 to enter the depression, driving the marking pen 6 to mark an oblique line downwards on the paper 10 by a support rod 4, driving the marking pen 6 to return to the original position after the detection wheel 3 rolls out of the depression, and continuing to mark a horizontal line after the oblique line upwards slides out on the paper 10; when a convex part is met, the detection wheel 3 rolls to the top of the convex part and then rolls down, the marking pen 6 marks lines which are inclined upwards and then inclined downwards on the paper 10, after the detection wheel 3 enters the bottom of the concave part or the top of the convex part, the moving trolley 1 stops moving, so that the concave part and the convex part of the marking pen 6 on the paper 10 mark transverse lines, the valve 20 on the ash discharge pipe 19 on the two sides of the detection wheel 3 is opened briefly, lime in the ash storage hopper 17 is discharged through the ash discharge pipe 19 (the centers of the two lime mark points are the concave part or the convex part), the concave part and the convex part are marked, the flatness of the road surface is visually reflected on the paper 10 through the concave part and the convex part, the depth of each concave part and each convex part of the road surface can be known through the mark points of the lime corresponding to the concave part and the convex part on the paper 10, compared with a 3m method of the whole device, the size is smaller, the detection is met, and the carrying and the transportation are more convenient.

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 (6)

1. The utility model provides a concrete road surface roughness detection device, includes the travelling car that removes on concrete ground, its characterized in that, the lower extreme center department of travelling car is connected with the frame that rolls through elastic support piece, install the pivoted detection wheel on the frame that rolls, the detection wheel roll connection is on concrete ground, the upper end center department fixedly connected with bracing piece of rolling the frame, the upper end center department of travelling car has seted up the holding hole, the upper end of bracing piece passes the holding hole and can dismantle and be connected with the marker pen, upper end one side of travelling car is rotated through the bearing frame and is connected with the axis of rotation, the movable sleeve is equipped with the rotating tube in the axis of rotation, the winding is connected with the paper on the rotating tube, the other end of paper is connected with and is used for right the drive assembly that the paper carries out the rolling, the lower extreme of travelling car has the mark unit about detection wheel symmetric connection.

2. A concrete pavement evenness detecting device as claimed in claim 1, wherein the driving assembly includes a motor, a driving groove is formed in one side of the upper end of the moving trolley, which is far from the bearing seat, the motor is connected to the bottom of the driving groove, the output end of the motor is connected with a square bar with a rectangular cross section through a coupling, a square tube with an outer circular and inner square cross section is movably sleeved on the bar wall of the square bar, and one end of the paper, which is far from the rotating tube, is connected to the outer tube wall of the square tube.

3. The apparatus of claim 1, wherein the elastic supporting member comprises a supporting ring, the supporting ring is connected to the upper end of the rolling frame and sleeved on the rod wall of the supporting rod, a spring in a compressed state is connected between the supporting ring and the movable trolley, and the spring is sleeved on the rod wall of the supporting rod.

4. The device for detecting the flatness of the concrete pavement according to claim 1, wherein an elastic opening clamp is fixedly connected to the upper end of the supporting rod, and the marking pen is movably clamped in the elastic opening clamp.

5. The concrete pavement evenness detecting device according to claim 1, wherein the marking unit comprises two ash storage hoppers storing lime, a supporting block is connected between each ash storage hopper and the corresponding movable trolley, ash discharge pipes are communicated with the bottoms of the ash storage hoppers, and valves are mounted on the ash discharge pipes.

6. The concrete pavement evenness detecting device according to claim 2, wherein supporting disks are fixedly sleeved on the shaft wall of the rotating shaft and the rod wall of the square rod, and the rotating pipe and the square pipe are movably arranged at the upper ends of the corresponding supporting disks.

Images