CN210596945U

CN210596945U - Road surface flatness inspection device

Info

Publication number: CN210596945U
Application number: CN201921149107.7U
Authority: CN
Inventors: 强剑
Original assignee: Sichuan Zhengyi Construction Engineering Co ltd
Current assignee: Sichuan Zhengyi Construction Engineering Co ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-05-22
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to a road flatness inspection device belongs to engineering check out test set field, including frame, running gear and measuring mechanism, install the bottom plate on the frame, running gear is including setting up preceding travelling wheel and the back travelling wheel in the frame bottom, measuring mechanism sets up on the frame and lies in between preceding travelling wheel and the back travelling wheel, measuring device includes the measuring box that sets up on the frame along the width direction of frame, be provided with range finding sensor in the measuring box, range finding sensor's below is provided with the feed mechanism that drives range finding sensor to the roof of measuring box removal, still includes cleaning mechanism, cleaning mechanism sets up on the frame and lies in the side that the preceding travelling wheel kept away from the back travelling wheel, cleaning mechanism includes the wiper and drives the wobbling actuating mechanism of wiper; the utility model has the advantages of be convenient for clean the road surface in order to improve the detection accuracy.

Description

Road surface flatness inspection device

Technical Field

The utility model belongs to the technical field of engineering check out test set technique and specifically relates to a road flatness inspection device is related to.

Background

The flatness is one of the important indexes of the pavement construction quality and service level. Uneven road surfaces increase the driving resistance and cause additional vibration effects on the vehicle. This vibration can cause bumps in the ride, affecting speed and safety of the ride, smoothness of the ride, and passenger comfort. At the same time, the vibratory action also imparts impact forces to the road surface, thereby exacerbating road and vehicle damage and tire wear. Uneven road surface can accumulate rainwater, and the damage of road surface is accelerated. Therefore, the detection and evaluation of the flatness are very important links for the construction and maintenance of the highway. The detection of the pavement evenness can provide important information for decision makers, so that the decision makers can make optimization decisions for pavement maintenance, overhaul and the like. On the other hand, the detection of the pavement evenness can accurately provide information of the pavement construction quality, and an objective index for quality evaluation is provided for pavement construction.

The current chinese patent of No. CN208533341U discloses a road flatness detection device, which comprises a vehicle frame, the wheel is installed to the bottom of frame, the bottom center department fixedly connected with one end open-ended screw sleeve of frame, screw sleeve female connection has the screw thread piece, the one end fixedly connected with bracing piece of frame is kept away from to the screw thread piece, the other end of bracing piece passes screw sleeve's open end and downwardly extending, the below of frame is equipped with the disc, the one end that the screw thread piece was kept away from to the bracing piece is passed through the fixed rotation of bearing and is connected in the upper end center department of disc, the fixed center department that sets up in the disc upper end of bearing, even equidistance is connected with a plurality of image. Personnel need not rotate the high position that the bracing piece can adjust the image collector as required with the help of external instrument in the above-mentioned detection road flatness detection device use, and is very convenient, has reduced the influence that causes the detection image when detecting the dolly and striking the barrier moreover, has improved the precision that detects.

However, it has disadvantages in that: because the road surface inevitably has debris such as dust grit, above-mentioned technical scheme can take place to jolt when detecting the road surface roughness when the wheel is pressed on debris, influences the accuracy of road surface roughness testing result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a road surface roughness inspection device has and is convenient for clean the advantage in order to improve the detection accuracy to the road surface.

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

the utility model provides a road flatness inspection device, includes frame, advancing mechanism and measuring mechanism, install the bottom plate on the frame, advancing mechanism is including setting up preceding travelling wheel and the back walking wheel in the frame bottom, measuring mechanism sets up on the frame and is located between preceding travelling wheel and the back walking wheel, measuring device includes the measuring box that the width direction along the frame set up on the frame, be provided with range sensor in the measuring box, range sensor's below is provided with the feed mechanism who orders about range sensor to the roof removal of measuring box, still including cleaning the mechanism, clean the mechanism setting on the frame and be located one side that the back walking wheel was kept away from to the travelling wheel before, clean the mechanism and include brush cleaner and drive brush wobbling actuating mechanism.

By adopting the technical scheme, the travelling mechanism drives the frame to move, when the road surface is provided with the bulge, the feeding mechanism moves the distance measuring sensor to the direction close to the top plate of the measuring box, the distance measuring sensor detects that the distance from the distance measuring sensor to the top plate of the measuring box is shortened, when the road surface is provided with the pit, the feeding mechanism moves the distance measuring sensor to the direction far away from the top plate of the measuring box, and the distance measuring sensor detects that the distance from the distance measuring sensor to the top plate of the measuring box is extended, so that the undulation condition; in the moving process of the frame, the cleaning mechanism positioned in front of the frame cleans the road surface in front of the front traveling wheels, the rear traveling wheels and the feeding mechanism, and prevents the front traveling wheels, the rear traveling wheels or the feeding mechanism from bumping due to impurities such as dust, gravel and the like on the road surface to a certain extent and influencing the accuracy of the road surface flatness detection result.

The utility model discloses further set up to: the feeding mechanism comprises a wheel carrier and a detection wheel arranged at the bottom of the wheel carrier, a through hole is formed in the bottom plate, the wheel carrier penetrates through the through hole and is in sliding fit with the bottom plate, and the distance measuring sensor is fixedly arranged at the top of the wheel carrier.

Through adopting above-mentioned technical scheme, when the road surface unevenness, the position of detection wheel can change to think that distance measuring sensor promotes or pulls down, and distance measuring sensor changes with the position of measuring the case roof, thereby makes the data that measure change, reflects the undulation situation on road surface.

The utility model discloses further set up to: the bottom plate is characterized in that a positioning sleeve is arranged below the bottom plate, the positioning sleeve is sleeved on the wheel carrier, a first limiting ring is arranged on the wheel carrier and above the bottom plate, and a second limiting ring is arranged on the wheel carrier and below the positioning sleeve.

By adopting the technical scheme, the wheel carrier is guided by arranging the positioning sleeve, so that deviation of the movement direction is prevented; through set up first spacing ring and second spacing ring in the upper and lower both sides of wheel carrier, inject the position of wheel carrier, wheel carrier roll-off automobile body when preventing great pit from appearing in the road surface, or the wheel carrier collides with the measuring box when great boss appears in the road surface.

The utility model discloses further set up to: the driving mechanism comprises a servo motor, a rocker and a limiting block, the servo motor is fixed on the bottom plate, a positioning hole is formed in the bottom plate, an output shaft of the servo motor penetrates through the positioning hole and extends to the lower portion of the bottom plate, the rocker is located below the bottom plate and is fixedly connected with the output shaft of the servo motor, and the limiting block is rotatably arranged at one end, far away from the servo motor, of the rocker and is sleeved on the cleaning brush.

Through adopting above-mentioned technical scheme, start servo motor, servo motor's output shaft drives the rocker and rotates, and the stopper drives the reciprocating swing of cleaning brush at rocker pivoted in-process to debris such as dust grit on the road surface clean, avoided automobile body operation in-process to a certain extent to take place to jolt because of debris such as dust grit on the road surface, influence the accuracy of road surface roughness testing result.

The utility model discloses further set up to: the cleaning brush comprises a brush handle and a brush body, the brush handle is rotatably arranged at the bottom of the bottom plate and penetrates through the limiting block, and the brush body is detachably connected to the brush handle.

Through adopting above-mentioned technical scheme, because the brush body is cleaning the in-process on road surface and easily takes place wearing and tearing, need change after the wearing and tearing, through installing brush body detachably on the brush holder, made things convenient for and changed the brush body alone after the brush body wearing and tearing, and need not to take off the brush holder.

The utility model discloses further set up to: the brush handle is provided with a mounting groove, the brush body is mounted in the mounting groove, positioning pieces are arranged on the brush handle and on two sides of the brush body, and positioning grooves for the positioning pieces to be inserted are formed in the brush body.

By adopting the technical scheme, the brush body is arranged in the mounting groove on the brush handle through the positioning piece, so that the brush body is convenient to mount and dismount.

The utility model discloses further set up to: the positioning piece comprises a resisting bolt and a resisting block fixed at the end part of the resisting bolt, a threaded hole is formed in the brush body, the resisting bolt penetrates through the threaded hole, and the resisting block is inserted into the positioning groove.

Through adopting above-mentioned technical scheme, when changing the brush body, loosen and support the bolt tightly, make to support the piece and shift out from the constant head tank, the pulling brush body makes the brush body shift out from the mounting groove, puts into the mounting groove with new brush body again, screws up and supports in the bolt makes to support the piece and support the constant head tank on the new brush body tightly, supports the bolt tightly and supports the piece through setting up, has made things convenient for the dismantlement and the installation to the brush body.

The utility model discloses further set up to: the wheel carrier and the through hole on the bottom plate, and the wheel carrier and the positioning sleeve are in clearance fit.

By adopting the technical scheme, gaps exist between the wheel carrier and the through hole on the bottom plate and between the wheel carrier and the positioning sleeve, so that the actual stroke and the measured stroke cannot have large deviation due to friction force when the wheel carrier rises or falls along the length direction of the positioning sleeve, and the accuracy of data is not influenced.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a mechanism is cleaned in the setting, and the road surface with the place ahead in advance cleans totally before walking wheel, back walking wheel and feed mechanism reachs in the front, prevents to a certain extent that preceding walking wheel, back walking wheel or feed mechanism from taking place to jolt because of debris such as dust grit on the road surface, influences the accuracy of road surface roughness testing result.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a cleaning mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a sweeper brush according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a measuring mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a distance measuring sensor and a feeding mechanism according to an embodiment of the present invention.

Reference numerals: 1. a frame; 11. a base plate; 2. a traveling mechanism; 21. a front travel wheel; 22. a rear traveling wheel; 3. a measuring mechanism; 31. a measuring box; 311. a ranging sensor; 32. a feed mechanism; 321. a wheel carrier; 3211. a first limit ring; 3212. a second stop collar; 322. detecting a wheel; 33. a positioning sleeve; 4. a cleaning mechanism; 41. cleaning with a brush; 411. a brush handle; 412. a brush body; 4121. positioning a groove; 413. a positioning member; 4131. tightly abutting against the bolt; 4132. a propping block; 42. a drive mechanism; 421. a servo motor; 422. a rocker; 423. and a limiting block.

Detailed Description

The technical solution of the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 and 4, a road flatness inspection device comprises a frame 1, a traveling mechanism 2 and a measuring mechanism 3, wherein a bottom plate 11 is installed on the frame 1, the traveling mechanism 2 comprises a front traveling wheel 21 and a rear traveling wheel 22 at the bottom of the frame 1, the measuring mechanism 3 is arranged on the frame 1 and is positioned between the front traveling wheel 21 and the rear traveling wheel 22, the measuring device comprises a measuring box 31 arranged on the frame 1 along the width direction of the frame 1, a distance measuring sensor 311 is arranged in the measuring box 31, the distance measuring sensor 311 is fixed on a wheel carrier 321 positioned below the distance measuring sensor 311, a detecting wheel 322 is installed at the bottom of the wheel carrier 321, a through hole is formed in the bottom plate 11, and the wheel carrier 321 is arranged in the through hole in a penetrating way and is in; when the road surface is uneven, the position of the detection wheel 322 changes, and the wheel carrier 321 is driven to move up and down, so that the distance measurement sensor 311 is pushed up or pulled down, the positions of the distance measurement sensor 311 and the top plate of the measurement box 31 change, the measured data change, and the undulation condition of the road surface is reflected.

As shown in fig. 1 and 5, a positioning sleeve 33 is arranged below the bottom plate 11, the positioning sleeve 33 is sleeved on the wheel carrier 321 to guide the wheel carrier 321, so as to prevent deviation in the moving direction, and the wheel carrier 321 is in clearance fit with the through hole on the bottom plate 11, and the wheel carrier 321 and the positioning sleeve 33, so as to ensure that when the wheel carrier 321 rises or falls along the length direction of the positioning sleeve 33, a large deviation between an actual stroke and a measured stroke due to friction does not exist, so that the accuracy of data is not affected; a first limit ring 3211 is arranged on the wheel carrier 321 and above the bottom plate 11, a second limit ring 3212 is arranged on the wheel carrier 321 and below the positioning sleeve 33, and with reference to fig. 4, the first limit ring 3211 and the second limit ring 3212 limit the position of the wheel carrier 321, so as to prevent the wheel carrier 321 from sliding out of the vehicle body when a large pit occurs in the road surface, or prevent the wheel carrier 321 from colliding with the measuring box 31 when a large boss occurs in the road surface.

As shown in fig. 1 and 3, a cleaning mechanism 4 is arranged on one side of the frame 1, which is located at the position where the front traveling wheel 21 is far away from the rear traveling wheel 22, the cleaning mechanism 4 comprises a cleaning brush 41, the cleaning brush 41 comprises a brush handle 411 and a brush body 412, the brush handle 411 is rotatably arranged at the bottom of the bottom plate 11 and penetrates through a limiting block 423, the brush body 412 is detachably connected to the brush handle 411 through a positioning part 413, the brush body 412 is easily worn during the process of cleaning the road surface, the brush body 412 needs to be replaced after being worn, the brush body 412 is detachably arranged on the brush handle 411, and the brush body 412 is conveniently and independently replaced after being worn, without taking down the brush handle 411.

As shown in fig. 2 and 3, the brush handle 411 is provided with an installation groove, the brush body 412 is installed in the installation groove, the brush body 412 is provided with a positioning groove 4121, the positioning member 413 comprises a fastening bolt 4131 and a fastening block 4132 fixed at the end of the fastening bolt 4131, the brush body 412 is provided with a threaded hole, the fastening bolt 4131 is inserted into the threaded hole, the fastening block 4132 is inserted into the positioning groove 4121, when the brush body 412 is replaced, the fastening bolt 4131 is loosened to move the fastening block 4132 out of the positioning groove 4121, the brush body 412 is pulled to move out of the installation groove, a new brush body 412 is placed into the installation groove, the fastening bolt 4131 is tightened to make the fastening block 4132 tightly contact the positioning groove 4121 on the new brush body 412, and the disassembly and installation of the brush body 412 are facilitated by the arrangement of the fastening bolt 4131 and the fastening block 4132.

As shown in fig. 1 and 2, a driving mechanism 42 for driving the sweeping brush 41 to swing is installed on the sweeping brush 41, the driving mechanism 42 includes a servo motor 421, a rocker 422 and a limit block 423, the servo motor 421 is fixed on the bottom plate 11, a positioning hole is formed on the bottom plate 11, an output shaft of the servo motor 421 passes through the positioning hole and extends to the lower part of the bottom plate 11, the rocker 422 is located below the bottom plate 11 and is fixedly connected with the output shaft of the servo motor 421, the limit block 423 is rotatably disposed at one end of the rocker 422 far away from the servo motor 421 and is sleeved on the sweeping brush 41, when the sweeping device works, the servo motor 421 is started, the output shaft of the servo motor 421 drives the rocker 422 to rotate, the limit block 423 drives the sweeping brush 41 to swing back and forth in the rotation process of the rocker 422, thereby sweeping dust, sand, and the occurrence of jolt caused by the dust, sand, and other impurities on the, the accuracy of the road surface flatness detection result is affected.

The specific working process is as follows: the traveling mechanism 2 drives the vehicle frame 1 to move, when a road surface has a bulge, the feeding mechanism 32 moves the distance measuring sensor 311 to the direction close to the top plate of the measuring box 31, the distance measuring sensor 311 detects that the distance from the top plate of the measuring box 31 is shortened, when the road surface has a pit, the feeding mechanism 32 moves the distance measuring sensor 311 to the direction far away from the top plate of the measuring box 31, the distance measuring sensor 311 detects that the distance from the top plate of the measuring box 31 is extended, and therefore the undulation condition of the road surface is monitored; in the moving process of the frame 1, the cleaning mechanism 4 positioned in front of the frame 1 cleans the road surface in front of the front traveling wheels 21, the rear traveling wheels 22 and the feeding mechanism 32 in advance, and prevents the front traveling wheels 21, the rear traveling wheels 22 or the feeding mechanism 32 from bumping due to impurities such as dust, gravel and the like on the road surface to a certain extent and influencing the accuracy of the road surface flatness detection result.

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 flatness inspection device, includes frame (1), advancing mechanism (2) and measuring mechanism (3), install bottom plate (11) on frame (1), advancing mechanism (2) are including setting up preceding travelling wheel (21) and back travelling wheel (22) in frame (1) bottom, measuring mechanism (3) set up on frame (1) and are located between preceding travelling wheel (21) and back travelling wheel (22), measuring mechanism (3) include measurement case (31) of setting on frame (1) along the width direction of frame (1), be provided with range sensor (311) in measurement case (31), the below of range sensor (311) is provided with feed mechanism (32) of ordering about range sensor (311) to the roof removal of measuring case (31), its characterized in that: still including cleaning mechanism (4), clean mechanism (4) and set up on frame (1) and be located front running wheel (21) and keep away from one side of rear walking wheel (22), clean mechanism (4) including cleaning brush (41) and drive cleaning brush (41) wobbling actuating mechanism (42).

2. A road flatness inspection apparatus according to claim 1, wherein: the feeding mechanism (32) comprises a wheel carrier (321) and a detection wheel (322) arranged at the bottom of the wheel carrier (321), a through hole is formed in the bottom plate (11), the wheel carrier (321) penetrates through the through hole and is in sliding fit with the bottom plate (11), and the distance measuring sensor (311) is fixedly arranged at the top of the wheel carrier (321).

3. A road flatness inspection apparatus according to claim 2, wherein: the lower part of the bottom plate (11) is provided with a positioning sleeve (33), the positioning sleeve (33) is sleeved on the wheel carrier (321), a first limit ring (3211) is arranged on the wheel carrier (321) and above the bottom plate (11), and a second limit ring (3212) is arranged on the wheel carrier (321) and below the positioning sleeve (33).

4. A road flatness inspection apparatus according to claim 1, wherein: the driving mechanism (42) comprises a servo motor (421), a rocker (422) and a limiting block (423), the servo motor (421) is fixed on the bottom plate (11), a positioning hole is formed in the bottom plate (11), an output shaft of the servo motor (421) penetrates through the positioning hole and extends to the lower portion of the bottom plate (11), the rocker (422) is located below the bottom plate (11) and fixedly connected with the output shaft of the servo motor (421), and the limiting block (423) is rotatably arranged at one end, far away from the servo motor (421), of the rocker (422) and is sleeved on the cleaning brush (41).

5. A road flatness inspection apparatus according to claim 4, wherein: the cleaning brush (41) comprises a brush handle (411) and a brush body (412), the brush handle (411) is rotatably arranged at the bottom of the bottom plate (11) and penetrates through the limiting block (423), and the brush body (412) is detachably connected to the brush handle (411).

6. A road flatness inspection apparatus according to claim 5, wherein: the brush holder (411) is provided with a mounting groove, the brush body (412) is mounted in the mounting groove, positioning pieces (413) are arranged on the brush holder (411) and on two sides of the brush body (412), and positioning grooves (4121) for the positioning pieces (413) to be inserted are formed in the brush body (412).

7. A road flatness inspection apparatus according to claim 6, wherein: the positioning piece (413) comprises a resisting bolt (4131) and a resisting block (4132) fixed at the end part of the resisting bolt (4131), a threaded hole is formed in the brush body (412), the resisting bolt (4131) penetrates through the threaded hole, and the resisting block (4132) is inserted into the positioning groove (4121).

8. A road flatness inspection apparatus according to claim 3, wherein: the wheel frame (321) is in clearance fit with the through hole on the bottom plate (11), and the wheel frame (321) is in clearance fit with the positioning sleeve (33).