CN212007039U

CN212007039U - Road surface rut detection device

Info

Publication number: CN212007039U
Application number: CN202020901527.2U
Authority: CN
Inventors: 刘平祥
Original assignee: Shanghai Jiaconcrete New Material Technology Development Co ltd
Current assignee: Shanghai Jiaconcrete New Material Technology Development Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-11-24
Anticipated expiration: 2030-05-25

Abstract

The utility model relates to a road surface rut detection device, it includes mounting substrate, the last detection mechanism that is provided with of mounting substrate, detection mechanism includes fixed plate and fixed block, a plurality of spacing through-holes have been seted up along vertical direction in the fixed block, each spacing through-hole array equipartition is in the fixed block, insert in the spacing through-hole and be provided with the response post, the one end of response post is the arc surface and sets up with the ground laminating, the one end that the ground was kept away from to the response post is close to the fixed plate setting and is located the fixed plate below, the fixed plate distributes in the one side of fixed block and is provided with a plurality of pressure sensor, each pressure sensor one-to-one sets up the top at each response post, fixedly connected with compression spring between the end of pressure sensor and. The utility model provides a staff can't accurate adjust the problem of milling planing roller height to ground. The utility model discloses have and to carry out measuring effect to the actual rut shape of road surface and rut distribution.

Description

Road surface rut detection device

Technical Field

The utility model belongs to the technical field of cross cutting equipment and specifically relates to a road surface rut detection device is related to.

Background

Ruts, namely, the impressions of wheels left after a vehicle runs on a road surface, are an important index in periodic evaluation and maintenance of the road surface, and the depth of the ruts on the road surface directly reflects the running comfort of the vehicle and the safety and service life of the vehicle. Meanwhile, the specific condition of the road ruts can provide important information for related units of road maintenance and make more optimal decisions for the work of road maintenance, renovation and the like.

In the prior art, the Chinese utility model with the publication number of CN209523106U discloses an asphalt pavement rut repairing machine, which comprises a rut repairing machine main body, a supporting seat, a repairing box, a milling roller and a milling blade, wherein the bottom of the rut repairing machine main body is fixedly connected with the supporting seat, the left side of the top end of the supporting seat is fixedly connected with the repairing box, the middle of the inner part of the repairing box is fixedly connected with an asphalt storage box, the left side bottom end of the asphalt storage box is movably connected with a rolling wheel, the bottom end of the asphalt storage box is fixedly connected with an asphalt output spray pipe, and the asphalt output spray pipe embodies the practicability of the utility model, a containing box embodies the practicability of the utility model, a heating roller is used for reducing the loss degree of the milling blade per se during use, the service life is prolonged, the quick heating and the protection of the utility model are embodied, the milling roller embodies the convenient disassembly and assembly of the utility model and the utility model, milling and planing the cutting edge, having embodied the utility model discloses a setting property and fastness have extensive development prospect in the future.

The above prior art solutions have the following drawbacks: above-mentioned repairing machine carries out effectual getting rid of through milling the planer roller to the rut on bituminous paving surface, but under the actual shape of rut on the road surface and the condition that actually distributes not knowing, the staff can't accurate regulation mill the planer roller to the height on ground, and milling the planer roller position and adjusting improperly, then probably leads to the rut not destroyed completely, or thereby the rut is excessively destroyed and the condition of damaging the road surface takes place, influences final repairing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a road surface rut detection device has and to carry out measuring advantage to the actual rut shape of road surface and rut distribution.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pavement rut detection device comprises a mounting substrate, wherein a plurality of rollers are distributed on the lower surface of the mounting substrate, a detection mechanism is arranged on the mounting substrate and comprises a fixed plate and a fixed block arranged below the fixed plate, a plurality of limiting through holes are vertically arranged in the fixed plate, each limiting through hole array is uniformly distributed in the fixed plate, an induction column is inserted into each limiting through hole, one end of each induction column is an arc surface and is attached to the ground, one end, far away from the ground, of each induction column is arranged close to the fixed plate and is positioned below the fixed plate, a plurality of pressure sensors are distributed on one surface, facing the fixed block, of the fixed plate, the pressure sensors are correspondingly arranged above the induction columns, a compression spring is fixedly connected between each pressure sensor and the tail end of each induction column, the pressure sensors are electrically connected with a data processing unit, and the data processing unit comprises a data operation module for converting electric signals of the pressure sensors into the moving distance of the induction columns and a data storage module for storing the moving distance of the induction columns.

By adopting the technical scheme, the roller can enable the mounting base plate to move on the road surface to be measured, when the detection mechanism is above the rut on the ground, because one end of the induction column is attached to the ground and is an arc surface, the induction column can generate displacement along the limiting through hole, thereby causing the length of the compression spring to change and causing the acting force of the compression spring on the pressure sensor to change, under the condition of constant stiffness coefficient, the acting force of the compression spring on the pressure sensor is linearly related to the expansion and contraction amount of the compression spring, it is only necessary to establish a relation between the force from the compression spring and the amount of expansion and contraction of the compression spring to which the pressure sensor is subjected, the data measured by the pressure sensor can be converted into the actual expansion and contraction quantity of the compression spring, namely the displacement of the induction column under the action of the rut, and the height value of the rut can be measured. And integrating the rut height data measured by the plurality of induction columns to measure the rut distribution condition on the ground within the detection range of the detection mechanism. The whole rut distribution condition of the road surface can be obtained by moving the rut detection device to measure at a plurality of positions on the ground, so that data support is provided for the rut repairing machine.

The utility model discloses can further configure to in a preferred example, when the response post removed in spacing through-hole, compression spring was in compression state all the time.

Through adopting above-mentioned technical scheme, compression spring is in compression state all the time, and then pressure sensor receives all the time and comes from the direction of compression spring's power and keep unchangeable, only has the numerical value to change, and most pressure sensor on the market is the unilateral sensor, can only measure the forward pressure perpendicular to pressure sensor surface promptly, adopts two-way pressure sensor can lead to the cost to rise. And compression spring is in compression state all the time can so that the response post receives the effort towards ground all the time for the laminating degree between the one end of response post and the ground is better, the distribution of the subaerial rut of reaction that more can be accurate.

The utility model discloses can further configure to in a preferred example, the one end that ground was kept away from to the response post is provided with the limiting plate, the diameter of limiting plate is greater than the aperture of spacing through-hole and is less than the interval of two adjacent spacing through-holes.

Through adopting above-mentioned technical scheme, the limiting plate is restricted the response post to the distance that is close to the ground direction and takes place the displacement, if do not have the limiting plate, then in this kind of detection device's transportation, the response post can receive the action of gravity to constantly lengthen compression spring, can lead to compression spring on the one hand to be constantly elongated, and on the other hand also can make the response post break away from in spacing through-hole, leads to the unable normal use of this kind of detection device. The diameter of the limiting plate enables the induction columns not to interfere with each other easily when moving.

The utility model discloses can further configure to in a preferred example, the one end that ground was kept away from to the response post is provided with the guiding short column that extends along response post axial direction, when limiting plate and fixed block surface laminating, the distance that the one end that the response post was kept away from to the guiding short column was 50-60 millimeters apart from the fixed plate surface, compression spring laminating cover is established at the surface of guiding short column.

Through adopting above-mentioned technical scheme, the setting of direction stub can reduce compression spring and take place the condition emergence of axis skew in compression process for keep linear relevant relation between compression spring's the volume of compression and the elasticity that it produced, be favorable to improving measurement accuracy. Generally speaking, the depth of road surface rut is within 50 millimeters, through the distance between the control guide short column and the fixed plate, in the process that the response post removed, the difficult collision that takes place between with pressure sensor of guide short column to make pressure sensor's measuring result more accurate, also reduced pressure sensor and received the striking and take place the possibility of damaging.

The utility model discloses can further configure to in a preferred example, through connecting rod fixed connection between fixed plate and the fixed block, be provided with the lead screw on the mounting substrate perpendicularly, the lead screw of lead screw is connected with driving motor, fixed connection between the nut of lead screw and the fixed plate, the lead screw is provided with two at least and is located the both ends department of fixed plate diagonal respectively.

Through adopting above-mentioned technical scheme, when the gyro wheel drove mounting substrate to remove, there may be debris or the condition that has unevenness on the ground, and the end of response post receives the damage easily this moment. Therefore, when the measurement is not needed, the screw rod can be driven to rotate through the driving motor, and the fixing plate and the fixing block are integrally lifted, so that the tail end of the induction column is protected. When the induction column reaches a measuring place, the fixing plate and the fixing block can be integrally descended, so that the induction column is in contact with the ground of the measuring place to perform measuring work.

The utility model discloses can further configure to in a preferred example, still be provided with the direction major axis perpendicularly on the mounting substrate, fixedly connected with guide block on the fixed plate, the surface at the direction major axis is established to the guide block cover.

Through adopting above-mentioned technical scheme, the setting up of direction major axis makes the moving as a whole process of fixed plate and fixed block more stable, reduces structural damage.

The utility model discloses can further configure to in a preferred example, mounting substrate's lower surface is provided with counting assembly, counting assembly includes the connecting rod and is located the terminal electron count wheel of connecting rod, the axis and the ground parallel arrangement of electron count wheel and its surface and ground laminating, the surface cladding of electron count wheel is provided with flexible layer.

Through adopting above-mentioned technical scheme, when measuring, the staff generally can divide a comparatively smooth measuring area to use the area that each induction post occupies to equally divide into a plurality of measuring area units with measuring area as the benchmark, operate detection device and measure in single measuring area unit afterwards, remove detection device to adjacent next measuring area unit through the gyro wheel after the measurement is finished and measure, and accomplish the measuring work of surplus measuring area unit in proper order, gather at last and obtain the measured data of whole measuring area. The electron count wheel can measure detection device's actual displacement, and the staff can judge whether reach next measurement area unit according to the measured data of electron count wheel, convenience when having improved the measurement. The flexible layer can play the guard action to the surface of electron count wheel, also is convenient for electron count wheel to pass through the rut on ground.

The utility model discloses can further configure to in a preferred example, counting assembly is still including adjusting the structure, adjust the structure including being fixed in the mounting substrate on drive actuating cylinder, it is articulated between one end and the mounting substrate that ground was kept away from to the connecting rod, connecting rod surface cover is equipped with the slip ring, it is articulated between actuating cylinder's cylinder block and the mounting substrate to drive, it is articulated between actuating cylinder's drive end and the slip ring to drive, when driving actuating cylinder extension, electronic counting wheel is to the direction motion that is close to ground, when driving actuating cylinder and shortening, electronic counting wheel is to the direction motion of keeping away from ground.

Through adopting above-mentioned technical scheme, at the in-process of this detection device transportation, can pack up the electron count wheel through adjusting the structure, reduce the electron count wheel because of accident collides the possibility that takes place to damage.

To sum up, the utility model discloses following beneficial effect has:

1. the arrangement of the detection mechanism can achieve the effect of measuring the distribution condition of the ruts on the ground;

2. the arrangement of the induction columns and the compression springs can achieve the effect of converting the height and distribution condition of the ruts into the pressure sensors;

3. through the setting of counting assembly, can play the effect that makes things convenient for the staff to carry out detection device's accurate removal.

Drawings

Fig. 1 is a schematic external overall structure diagram of a road rut detection device in this embodiment.

Fig. 2 is a schematic cross-sectional view of the internal structure of a rut detecting device of the present embodiment.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure, 1, a mounting substrate; 11. a roller; 12. a lead screw; 13. a drive motor; 14. a guide long shaft; 2. a detection mechanism; 21. a fixing plate; 211. a pressure sensor; 212. a guide block; 22. a fixed block; 221. a limiting through hole; 23. an induction column; 231. a limiting plate; 232. a guide stub; 233. a circular arc surface; 24. a compression spring; 3. a counting device; 31. a connecting rod; 32. an electronic counting wheel; 321. a flexible layer; 33. an adjustment structure; 331. a driving cylinder; 332. a slip ring; 4. a protective housing; 5. a handrail.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a road surface rut detection device, including mounting substrate 1, mounting substrate 1's lower surface distributes and is provided with gyro wheel 11, is provided with detection mechanism 2 on mounting substrate 1, and in this embodiment, detection mechanism 2's the outside is provided with protecting sheathing 4, still is provided with handrail 5 on mounting substrate 1, makes things convenient for operating personnel to promote this detection device and produces the displacement.

Referring to fig. 2 and 3, the detection mechanism 2 includes a fixing plate 21 and a fixing block 22 disposed below the fixing plate 21, the fixing plate 21 and the fixing block 22 are fixedly connected through a connecting rod, a lead screw 12 is vertically disposed on the mounting substrate 1, the lead screw of the lead screw 12 is connected with a driving motor 13, a nut of the lead screw 12 is fixedly connected with the fixing plate 21, the lead screw 12 is at least provided with two guide long shafts 14 which are respectively located at two ends of a diagonal line of the fixing plate 21, the mounting substrate 1 is also vertically provided with a guide long shaft 14, the fixing plate 21 is fixedly connected with a guide block 212, and the guide block 212 is sleeved on an. In this embodiment, two lead screws 12 and two guide long shafts 14 are provided.

Referring to fig. 2 and 3, a plurality of spacing through-holes 221 have been seted up along vertical direction in the fixed block 22, each spacing through-hole 221 array equipartition is in fixed block 22, it is provided with response post 23 to insert in the spacing through-hole 221, the one end of response post 23 is arc surface 233 and sets up with the ground laminating, the one end that response post 23 kept away from ground is close to fixed plate 21 and sets up and is located the fixed plate 21 below, fixed plate 21 distributes on the one side towards fixed block 22 and is provided with a plurality of pressure sensor 211, each pressure sensor 211 one-to-one sets up the top at each response post 23, fixedly connected with compression spring 24 between the end of pressure sensor 211 and response post 23, when response post 23 removes in spacing through-hole 221, compression spring 24 is in. One end of the induction column 23, which is far away from the ground, is provided with a limiting plate 231, and the diameter of the limiting plate 231 is larger than the aperture of the limiting through hole 221 and smaller than the distance between two adjacent limiting through holes 221. The one end that the response post 23 kept away from ground is provided with the guide short column 232 that extends along response post 23 axis direction, and when limiting plate 231 and fixed block 22 surface laminating, the distance that the one end that the response post 23 was kept away from to guide short column 232 was 50-60 millimeters, and 24 cover laminating covers of compression spring are established on the surface of guide short column 232, and in this embodiment, the distance that the one end that the response post 23 was kept away from to guide short column 232 was 60 millimeters on the fixed plate 21 surface.

Referring to fig. 2 and 3, the pressure sensors 211 are electrically connected to a data processing unit, and the data processing unit includes a data operation module for converting an electric signal of each pressure sensor 211 into a moving distance of the sensing pillars 23 and a data storage module for storing the moving distance of each sensing pillar 23.

Referring to fig. 2 and 3, the lower surface of the mounting substrate 1 is provided with a counting device 3, the counting device 3 includes a connecting rod 31 and an electronic counting wheel 32 located at the end of the connecting rod 31, the axis of the electronic counting wheel 32 is parallel to the ground, the surface of the electronic counting wheel 32 is attached to the ground, and the outer surface of the electronic counting wheel 32 is covered with a flexible layer 321. The flexible layer 321 protects the surface of the electronic counting wheel 32 and facilitates the electronic counting wheel 32 to pass through a track on the ground. Counting assembly 3 is still including adjusting structure 33, adjust structure 33 including being fixed in the drive cylinder 331 on mounting substrate 1, connecting rod 31 is kept away from between the one end on ground and the mounting substrate 1 articulated, connecting rod 31 surface cover is equipped with slip ring 332, it is articulated between cylinder block and the mounting substrate 1 of drive cylinder 331, it is articulated between drive cylinder 331's drive end and the slip ring 332, when drive cylinder 331 extends, electronic counting wheel 32 is to the direction motion that is close to ground, when drive cylinder 331 shortens, electronic counting wheel 32 is to the direction motion of keeping away from ground.

The implementation principle of the embodiment is as follows: during measurement, a worker generally divides a relatively flat measurement area, equally divides the measurement area into a plurality of measurement area units by taking the area occupied by each induction column 23 as a reference, and then operates the detection device to measure in a single measurement area unit. The driving motor 13 drives the screw 12 to rotate, so that the fixing plate 21 and the fixing block 22 are integrally lowered, and the sensing column 23 is in contact with the ground of the measuring site. When the end of the sensing column 23 contacts with the rut, the sensing column 23 will displace along the limiting through hole 221, so as to change the length of the compression spring 24, and change the acting force of the compression spring 24 on the pressure sensor 211, and under the condition that the stiffness coefficient is not changed, the acting force of the compression spring 24 on the pressure sensor 211 and the expansion amount of the compression spring 24 are linearly related, so that the data measured by the pressure sensor 211 can be converted into the actual expansion amount of the compression spring 24, that is, the displacement of the sensing column 23 under the effect of the rut, and the height value of the rut can be measured, only by establishing a relation curve between the acting force of the pressure sensor 211 on the compression spring 24 and the expansion amount of the compression spring 24.

The arrangement of the guide post 232 can reduce the occurrence of axial deviation of the compression spring 24 in the compression process, so that the compression amount of the compression spring 24 and the generated elastic force thereof keep a linear correlation relationship, and the measurement accuracy is improved. Generally, the depth of the rut on the road surface is generally within 50 mm, and in this embodiment, the distance from the end of the guiding stud 232 far away from the sensing column 23 to the surface of the fixing plate 21 is 60 mm, so that the guiding stud 232 does not collide with the pressure sensor 211 in most cases. If it is necessary to measure a deeper rut of a road surface, the distance between the guiding studs 232 and the surface of the fixing plate 21 can be increased appropriately.

The rut height data measured by the plurality of induction columns 23 are integrated, and then the rut distribution situation on the ground in the detection range of the detection mechanism 2 can be measured. The whole rut distribution condition of the road surface can be obtained by moving the rut detection device to measure at a plurality of positions on the ground, so that data support is provided for the rut repairing machine. The data operation module is used for converting the electric signals of the pressure sensors 211 into the moving distance of the induction columns 23, and the data storage module is used for storing the data of the moving distance of the induction columns 23.

After the measurement is finished, the detection device is moved to the next adjacent measurement area unit through the roller 11 to carry out measurement, the measurement work of the rest measurement area units is completed in sequence, and finally, the measurement data of the whole measurement area are obtained in a gathering mode. The electronic counting wheel 32 can measure the actual moving distance of the detection device, and a worker can judge whether the next measurement area unit is reached according to the measurement data of the electronic counting wheel 32, so that the convenience in measurement is improved.

After the measurement is completed, the driving motor 13 rotates reversely and makes the fixed plate 21 and the fixed block 22 rise integrally, so that the induction column 23 moves towards the direction far away from the ground, the limiting plate 231 limits the displacement distance of the induction column 23 towards the direction close to the ground, the induction column 23 is not easy to separate from the limiting through hole 221, and the electronic counting wheel 32 is packed up through the adjusting structure 33. The sensing post 23 and the electronic counting wheel 32 are not easily damaged by accidental collision during transportation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a road surface rut detection device, includes mounting substrate (1), the lower surface distribution of mounting substrate (1) is provided with a plurality of gyro wheels (11), its characterized in that: the mounting base plate (1) is provided with a detection mechanism (2), the detection mechanism (2) comprises a fixing plate (21) and a fixing block (22) arranged below the fixing plate (21), a plurality of limiting through holes (221) are formed in the fixing block (22) in the vertical direction, the limiting through holes (221) are uniformly distributed in the fixing block (22) in an array manner, induction columns (23) are inserted into the limiting through holes (221), one ends of the induction columns (23) are arc surfaces (233) and are attached to the ground, one ends, far away from the ground, of the induction columns (23) are arranged close to the fixing plate (21) and are located below the fixing plate (21), one surface, facing the fixing block (22), of the fixing plate (21) is provided with a plurality of pressure sensors (211) in a distributed manner, and the pressure sensors (211) are arranged above the induction columns (23) in a one-to-one manner, the pressure sensor (211) and the tail end of the induction column (23) are fixedly connected with a compression spring (24), the pressure sensor (211) is electrically connected with a data processing unit, and the data processing unit comprises a data operation module and a data storage module, wherein the data operation module is used for converting electric signals of the pressure sensors (211) into the moving distance of the induction column (23), and the data storage module is used for storing the moving distance of the induction column (23).

2. A pavement rutting detection apparatus as set forth in claim 1, wherein: when the induction column (23) moves in the limiting through hole (221), the compression spring (24) is always in a compression state.

3. A pavement rut detecting apparatus according to claim 2, wherein: one end, far away from the ground, of the induction column (23) is provided with a limiting plate (231), and the diameter of the limiting plate (231) is larger than the aperture of the limiting through hole (221) and smaller than the distance between two adjacent limiting through holes (221).

4. A pavement rut detecting apparatus according to claim 3, wherein: the one end that ground was kept away from in response post (23) is provided with guide post (232) that extend along response post (23) axis direction, when limiting plate (231) and fixed block (22) surface laminating, the distance that the one end that response post (23) were kept away from in guide post (232) was apart from fixed plate (21) surface is 50-60 millimeters, compression spring (24) laminating cover is established at the surface of guide post (232).

5. A pavement rut detecting device according to claim 4, characterized in that: through connecting rod fixed connection between fixed plate (21) and fixed block (22), be provided with lead screw (12) on mounting substrate (1) perpendicularly, the lead screw of lead screw (12) is connected with driving motor (13), fixed connection between the nut of lead screw (12) and fixed plate (21), lead screw (12) are provided with two at least and are located the both ends department of fixed plate (21) diagonal respectively.

6. A pavement rut detecting device according to claim 5, characterized in that: the mounting base plate (1) is also vertically provided with a guide long shaft (14), the fixing plate (21) is fixedly connected with a guide block (212), and the guide block (212) is sleeved on the outer surface of the guide long shaft (14).

7. A pavement rutting detection apparatus as set forth in claim 1, wherein: the lower surface of mounting substrate (1) is provided with counting assembly (3), counting assembly (3) include connecting rod (31) and be located terminal electron count wheel (32) of connecting rod (31), the axis and the ground parallel arrangement of electron count wheel (32) and its surface and ground laminating, the surface cladding of electron count wheel (32) is provided with flexible layer (321).

8. A pavement rutting detection apparatus as set forth in claim 7, wherein: counting assembly (3) still include regulation structure (33), regulation structure (33) is including being fixed in drive cylinder (331) on mounting substrate (1), it is articulated between one end and mounting substrate (1) that ground was kept away from in connecting rod (31), connecting rod (31) surface cover is equipped with slip ring (332), it is articulated between cylinder block and the mounting substrate (1) of drive cylinder (331), it is articulated between drive end and slip ring (332) of drive cylinder (331), when drive cylinder (331) extension, electron count wheel (32) are to the direction motion that is close to ground, when drive cylinder (331) shorten, electron count wheel (32) are to the direction motion of keeping away from ground.