CN114960371A - Highway pavement flatness detection method - Google Patents
Highway pavement flatness detection method Download PDFInfo
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- CN114960371A CN114960371A CN202210383950.1A CN202210383950A CN114960371A CN 114960371 A CN114960371 A CN 114960371A CN 202210383950 A CN202210383950 A CN 202210383950A CN 114960371 A CN114960371 A CN 114960371A
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- flatness
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 94
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 53
- 238000003860 storage Methods 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 43
- 238000007599 discharging Methods 0.000 claims description 18
- 230000005484 gravity Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000011550 stock solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
Abstract
The invention discloses a method for detecting the flatness of a road surface, which is characterized by comprising the following steps: s1, developing and manufacturing a road surface flatness detection device; s2, during detection, a detection person pushes the flatness detection device obtained in the step S1 to a road surface to be detected through a pushing frame, a marking liquid is poured into the connecting frame, and the detection person pushes the flatness detection device to move on the detection ground; if the ground is not sunken or raised or the sunken and raised range is in the normal range, the flatness of the ground is not influenced, and the flatness detection device finishes detection when moving from one section to one section on the detection road section; s3, if the ground flatness is poor, dividing the situations into concave road surface and convex road surface; and S4, after the detection is finished, the detection personnel move the detection device to a flat road section, draw out the residual marking liquid in the connecting frame and clean the inside of the connecting frame.
Description
Technical Field
The invention belongs to the technical field related to highway detection, and particularly relates to a method for detecting the pavement evenness of a highway.
Background
The road surface flatness is one of the important indexes of road surface construction quality and service level, and is one of the main technical indexes for evaluating the road surface quality, and is related to the safety and comfort of driving, the impact force on the road surface and the service life, the uneven road surface can increase the driving resistance and enable vehicles to generate additional vibration action, and the vibration action can cause the jolt of driving, influence the speed and safety of driving, and influence the driving stability and the comfort of passengers. Meanwhile, the vibration also can exert impact force on the road surface, so that the damage of the road surface and automobile parts and the abrasion of tires are aggravated, and the oil consumption is increased;
the patent number CN109629381B provides a road flatness detection device, which effectively solves the problems of complicated detection process and low detection efficiency of the existing bridge surface flatness detection; the detection unit comprises a rotary table, a plurality of elastic blocks are uniformly distributed on the inner edge surface of the rotary table, rotary wheels are sleeved on the outer side of the rotary table, an annular groove is further formed in the end surface of the rotary table, a first pressure spring is arranged in the annular groove, a corrugated pipe capable of stretching in the annular groove is arranged in the annular groove, a fixed disc is arranged on the left side of each rotary wheel, a cylinder is coaxially and rotatably connected to the right side of the fixed disc, one end, extending out of the annular groove, of the corrugated pipe is communicated with the cavity through the cylinder, an air inlet of the cavity is fixed to the upper end of the left side of the fixed disc, an air outlet of the cavity is fixed to the lower end of the fixed disc, a water tank is arranged above the fixed shaft, a plurality of spray heads corresponding to the detection unit one by one are arranged at the lower end of the fixed shaft, each spray head is communicated with the water tank through a water pipe in a one-way, and the air outlet of the cavity is communicated with the water pipe;
however, there is a problem that if the ground is flat or not is judged by the friction force between the runner and the ground, and the runner slides on the road due to the contact of the particulate debris and the like on the road surface and cannot rotate, the detection structure is deviated.
Disclosure of Invention
The invention aims to provide a method for detecting the flatness of a road surface, which marks a concave and convex ground surface by marking liquid in a fixed frame, two groups of devices are respectively adopted on a concave and convex pushing mechanism to detect the concave and convex road surface, when a pulley moves to a concave position, a connecting spring pushes a sliding rod to slide downwards to enable the pulley to be in contact with the concave ground surface, the upper end of the sliding rod drives an L-shaped transmission frame to move downwards, an L-shaped connection frame on the other side is driven to ascend by meshing of a transmission gear, a fixed column is jacked up to lift a sealing plate, the sealing plate is opened from the upper end of a liquid storage cavity, the marking liquid in a connecting frame flows into the liquid storage cavity and flows out from a discharge pipe on one side, the time when the pulley passes through the concave road surface is just the time when the marking liquid enters the liquid storage cavity and then flows out from the discharge pipe, so that the marking liquid flowing out from the discharge pipe on one side after the pulley passes through the concave road surface can be accurately dripped on the concave ground surface to mark the concave, the problem that flatness detection is not accurate enough due to particle impurities on the ground and the like easily during road flatness detection provided in the background art is solved.
The invention provides the following technical scheme: a road surface flatness detection method is characterized by comprising the following steps:
s1, developing and manufacturing a road surface flatness detection device;
s2, during detection, a detector pushes the flatness detection device obtained in the step S1 to a road surface to be detected through the pushing frame (3), marking liquid is poured into the connecting frame (403), and the detector pushes the flatness detection device to move on the detection ground; if the ground is not sunken or raised or the sunken and raised range is in the normal range, the flatness of the ground is not influenced, and the flatness detection device finishes detection when moving from one section to one section on the detection road section;
s3, if the ground flatness is poor, dividing the situations into concave road surface and convex road surface;
when the pulley (406) moves to the concave position, the connecting spring (415) pushes the sliding rod (416) to slide downwards to enable the pulley (406) to be in contact with the concave ground, the upper end of the sliding rod (416) drives the L-shaped transmission frame (417) to move downwards, the L-shaped connection frame (414) on the other side is driven to ascend through the meshing of the transmission gear (413), the fixed column (411) is jacked to ascend and lift the sealing plate (410), the sealing plate is opened from the upper end of the liquid storage cavity (418), so that the marking liquid in the connecting frame (403) flows into the liquid storage cavity (418) and flows out from the discharge pipe (408) on one side, and the time when the pulley (406) passes through the concave road surface is just the time when the marking liquid enters the liquid storage cavity (418) and then flows out from the discharge pipe (408), therefore, the marking liquid flowing out of the discharging pipe (408) on one side of the pulley (406) after passing through the depression can be accurately dripped on the ground of the depression to mark the depression;
when the pulley (406) moves to the raised ground, the bottom plate (405) and the boss contact and compress the return spring (401) to enable the bottom plate (405) and the support rod (404) to rise, the connecting plate (407) inside the connecting frame (403) rises and pulls the sealing plate (410) upwards through the sliding rod (416), the marking liquid enters the liquid storage cavity (418) and flows out from the discharge pipe (408) to mark the position of the boss, and the raised road section is marked;
and S4, after the detection is finished, the detection personnel move the detection device to a flat road section, extract the residual marking liquid in the connecting frame (403), and clean the inside of the connecting frame (403).
In the present case, highway road flatness detection device includes frame (1), mount (2), unsmooth pushing mechanism (4) and removal wheel (5), wherein: the one end of frame (1) is fixed with and pushes away frame (3), the bottom four corners department of frame (1) is fixed with removes wheel (5), the inside of frame (1) is provided with unsmooth pushing mechanism (4) that are used for measuring the road surface roughness, the both sides of unsmooth pushing mechanism (4) are fixed with and are used for with frame (1) inner wall fixed mount (2).
In the scheme, the concave-convex pushing mechanism (4) comprises a return spring (401), a fixing frame (402), a connecting frame (403), a supporting rod (404), a bottom plate (405), a pulley (406), a connecting plate (407), a discharging pipe (408), an expansion rod (409), a sealing plate (410), a fixing column (411), a fixing plate (412), a transmission gear (413), an L-shaped connecting frame (414), a connecting spring (415), a sliding rod (416), an L-shaped transmission frame (417), a liquid storage cavity (418), a sliding sleeve (419) and a strong spring (420); the bottom end of the reset spring (401) is fixedly connected with the outer wall of the support rod (404), and the top end of the reset spring (401) is fixedly connected with the bottom end of the connecting frame (403);
the connecting frame (403) is arranged inside the outer frame (1), the fixing frame (402) is fixed at the bottom end of the connecting frame (403), fixing plates (412) are fixed on the inner walls of two sides of the fixing frame (402), and transmission gears (413) are rotatably arranged on the opposite inner sides of the two fixing plates (412);
one end of the transmission gear (413) is meshed with an L-shaped transmission frame (417), a sliding rod (416) is fixed at the bottom end of the L-shaped transmission frame (417), the bottom end of the sliding rod (416) penetrates through the fixed frame (402) and is arranged on the lower side of the fixed frame (402), an L-shaped connecting frame (414) is meshed at the other side of the transmission gear (413), a fixed column (411) is fixed at the top end of the L-shaped connecting frame (414), the upper end of the fixed column (411) is in sliding sleeve connection with a liquid storage cavity (418), and a sealing plate (410) is arranged at the top end of the liquid storage cavity (418) in a sealing mode;
a supporting rod (404) is slidably arranged inside a connecting frame (403) on one side of the fixing frame (402), the top end of the supporting rod (404) is arranged inside the connecting frame (403) and is fixedly provided with a connecting plate (407), the bottom end of the supporting rod (404) penetrates through the connecting frame (403) and is arranged on the lower side of the connecting frame (403), a bottom plate (405) is fixed at the bottom end of the supporting rod (404), an open slot for sleeving a pulley (406) is formed in the upper end of the bottom plate (405), and a return spring (401) is sleeved outside the supporting rod (404);
a sliding sleeve (419) is fixed at the bottom end of the connecting plate (407), a telescopic rod (409) is slidably arranged at the bottom end of the sliding sleeve (419), and a strong spring (420) is fixed at the upper end of the telescopic rod (409); the top end of the strong spring (420) is fixedly connected with the inner wall of the sliding sleeve (419), and the bottom end of the telescopic rod (409) is fixedly connected with the upper end face of the sealing plate (410);
the bottom end of the sliding rod (416) is rotatably provided with a pulley (406), a connecting spring (415) is sleeved outside the sliding rod (416), and the top end of the connecting spring (415) is fixedly connected with the bottom end of the L-shaped transmission frame (417).
In the scheme, the elasticity of the strong spring (420) is greater than the gravity of the telescopic rod (409) and the sealing plate (410), and the strong spring (420) is in an inelastic deformation state when the sealing plate (410) is hermetically arranged at the upper end of the liquid storage cavity (418); the outer wall of the top end of the liquid storage cavity (418) is fixedly connected with the inner wall of the connecting frame (403) in a welding mode, and one end of the discharge pipe (408) penetrates through the fixing frame (402) and is arranged on the outer side of the fixing frame (402); the bottom end of the connecting spring (415) is fixedly connected with the inner wall of the bottom end of the fixed frame (402), and the planes of the bottom ends of the pulley (406) and the moving wheel (5) and the bottom end face of the bottom plate (405) are superposed.
In the scheme, a sealing sleeve is fixed inside the upper end of the connecting frame (403), the support rod (404) is arranged inside the sealing sleeve in a sliding mode, and the outer wall of the support rod (404) and the inner wall of the sealing sleeve can be completely attached.
In the scheme, a discharge pipe (408) is fixed at one end of the liquid storage cavity (418), the inner wall of the discharge pipe (408) is a smooth wall, and marking liquid which is not easy to adhere is contained in the connecting frame (403).
In the scheme, the bottom end of the bottom plate (405) is a downward bent U-shaped, the bottom end of the bottom plate (405) is a smooth wall, and the upper end of the bottom plate (405) is fixedly connected with the support rod (404) in a welding mode.
Has the advantages that:
firstly, the invention collects road surface information by the contact of the concave-convex pushing mechanism and the ground, marks the concave-convex ground by the marking liquid in the fixing frame, detects the concave and convex road surface by two groups of devices on the concave-convex pushing mechanism respectively, when the pulley moves to the sunken position, the connecting spring pushes the slide rod to slide downwards to enable the pulley to be in contact with the sunken ground, the upper end of the slide rod drives the L-shaped transmission frame to move downwards, the L-shaped connection frame on the other side is driven to ascend through the meshing of the transmission gear, the fixed column is jacked to ascend to jack the sealing plate, the sealing plate is opened from the upper end of the liquid storage cavity, the marking liquid in the connecting frame flows into the liquid storage cavity and flows out of the discharging pipe on one side, the time when the pulley passes through the sunken road surface is just the time when the marking liquid enters the liquid storage cavity and flows out of the discharging pipe, therefore, the marking liquid flowing out of the discharging pipe on one side of the pulley after passing through the depression can be accurately dripped on the ground of the depression to mark the depression;
when the pulley moved bellied ground, because bottom plate and protruding contact compression reset spring made bottom plate and bracing piece rise, the inside connecting plate of connecting frame rose through the slide bar pulling shrouding that upwards, and the mark liquid enters into the liquid storage intracavity portion through same mode and flows out the protruding position mark from the discharging pipe again, can very effectually carry out the mark processing to protruding, sunken highway section like this, and it is effectual easy operation to use, and the detection that makes the road surface roughness is used more conveniently.
The outer frame is used as a main body of the detection device, the push frame is pushed to drive the moving wheels at the bottom of the outer frame to move, so that the whole detection device can operate on the detection ground to detect the flatness through the concave-convex pushing mechanism, the whole width of the outer frame is wide enough to cover the width of the whole detection road section when detection is carried out, the phenomenon of omission is avoided when detection is carried out, and the ground flatness detection using effect is better.
Thirdly, the invention adopts the sliding fit of the sliding rod and the sliding sleeve, a strong spring used for being connected with the sliding rod in a sliding way is arranged in the sliding sleeve, when a convex road surface is met, the sliding sleeve rises to pull the sliding rod upwards through the strong spring, the closing plate is pulled out for marking liquid to flow into the liquid storage cavity, the elasticity of the strong spring is larger than the gravity of the sliding rod and the closing plate, the sliding sleeve moves downwards after passing through the convex road surface, the sliding rod and the closing plate simultaneously compress the upper end of the liquid storage cavity to be sealed, when a concave road surface is met, the rising of the closing plate is driven by transmission to drive the sliding rod to rise to compress the strong spring, the sliding sleeve can not be driven to move, the detection of the concave and convex road surfaces can not generate linkage, the aim is to prevent the movement between the structure for detecting the convex and the structure, and the movement of the convex mechanism driven by transmission when the concave structure is detected, the structure for detecting the protrusion and the structure for detecting the depression are not influenced mutually.
Drawings
FIG. 1 is a schematic structural diagram of a flatness detecting apparatus used in the present invention;
FIG. 2 is a schematic side view of a flatness detecting apparatus according to the present invention;
FIG. 3 is a schematic perspective view of a concave-convex pushing mechanism of the flatness detecting apparatus according to the present invention;
FIG. 4 is a partial perspective view of a concave-convex pushing mechanism of the flatness detecting apparatus according to the present invention;
FIG. 5 is a schematic view of the internal structure of FIG. 4;
FIG. 6 is a schematic cross-sectional view of FIG. 3;
FIG. 7 is a schematic front view of the structure of FIG. 6;
fig. 8 is an enlarged structural diagram of a in fig. 7.
In the figure: 1. an outer frame; 2. a fixed mount; 3. pushing the frame; 4. a concave-convex pushing mechanism; 5. a moving wheel; 401. a return spring; 402. a fixing frame; 403. a connecting frame; 404. a support bar; 405. a base plate; 406. a pulley; 407. a connecting plate; 408. a discharge pipe; 409. a telescopic rod; 410. closing the plate; 411. fixing a column; 412. a fixing plate; 413. a transmission gear; 414. an L-shaped connecting frame; 415. a connecting spring; 416. a slide bar; 417. an L-shaped transmission frame; 418. a liquid storage cavity; 419. a sliding sleeve; 420. a strong spring.
Detailed Description
A road surface flatness detection method is characterized by comprising the following steps:
s1, developing and manufacturing a road surface flatness detection device;
please refer to fig. 1-8, a highway road flatness detection device includes frame 1, mount 2, unsmooth pushing mechanism 4 and removal wheel 5, the one end of frame 1 is fixed with pushes away frame 3, the bottom four corners department of frame 1 is fixed with removes wheel 5, the inside of frame 1 is provided with unsmooth pushing mechanism 4 who is used for measuring the road flatness, unsmooth pushing mechanism 4's both sides are fixed with and are used for with frame 1 inner wall fixed mount 2, when using, promote the road surface that needs ground flatness to be detected with detection device through pushing away frame 3, pour into mark liquid in connection frame 403 inside, it moves to promote detection device subaerially to detect, so both can detect the roughness on detection ground, the place of unevenness can be left the mark and is restoreed.
The concave-convex pushing mechanism 4 comprises a return spring 401, a fixed frame 402, a connecting frame 403, a support rod 404, a bottom plate 405, a pulley 406, a connecting plate 407, a discharge pipe 408, an expansion rod 409, a sealing plate 410, a fixed column 411, fixed plates 412, a transmission gear 413, an L-shaped connecting frame 414, a connecting spring 415, a sliding rod 416, an L-shaped transmission frame 417, a liquid storage cavity 418, a sliding sleeve 419 and a strong spring 420, wherein the connecting frame 403 is arranged inside the outer frame 1, the fixed frame 402 is fixed at the bottom end of the connecting frame 403, the fixed plates 412 are fixed on the inner walls of the two sides of the fixed frame 402, the transmission gear 413 is rotatably arranged on the opposite inner sides of the two fixed plates 412, one end of the transmission gear 413 is meshed with the L-shaped transmission frame 417, the sliding rod 416 is fixed at the bottom end of the L-shaped transmission frame 417, the bottom end of the sliding rod 416 penetrates through the fixed frame 402 and is arranged at the lower side of the fixed frame 402, the other side of the transmission gear 413 is meshed with the L-shaped connecting frame 414, a fixed column 411 is fixed at the top end of the L-shaped connecting frame 414;
referring to fig. 1 to 8, the upper end of the fixed column 411 is slidably sleeved with a liquid storage cavity 418, the top end of the liquid storage cavity 418 is provided with a sealing plate 410 in a sealing manner, the inside of the connection frame 403 on one side of the fixed frame 402 is slidably provided with the support rod 404, the top end of the support rod 404 is arranged inside the connection frame 403 and is fixed with the connection plate 407, the bottom end of the support rod 404 passes through the connection frame 403 and is arranged at the lower side of the connection frame 403, the bottom end of the support rod 404 is fixed with a bottom plate 405, the upper end of the bottom plate 405 is provided with an open slot for sleeving the pulley 406, the outside of the support rod 404 is sleeved with the return spring 401, the bottom end of the return spring 401 is fixedly connected with the outer wall of the support rod 404, and the top end of the return spring 401 is fixedly connected with the bottom end of the connection frame 403;
when the pulley 406 moves to a concave position, the connecting spring 415 pushes the sliding rod 416 to slide downwards to enable the pulley 406 to be in contact with the concave ground, the upper end of the sliding rod 416 drives the L-shaped transmission frame 417 to move downwards, the L-shaped connection frame 414 on the other side is driven to ascend through the meshing of the transmission gear 413, the jacking fixing column 411 ascends to jack the sealing plate 410, the sealing plate 410 is opened from the upper end of the liquid storage cavity 418, the marking liquid in the connecting frame 403 flows into the liquid storage cavity 418 and flows out from the discharging pipe 408 on one side, the time when the pulley 406 passes through the concave road surface is just the time when the marking liquid enters the liquid storage cavity 418 and flows out from the discharging pipe 408, therefore, the marking liquid flowing out from the discharging pipe 408 on one side after the pulley 406 passes through the concave part can accurately drop on the concave ground to mark the concave part, when the pulley 406 moves to the convex ground, the bottom plate 405 and the convex part contact with the compression return spring 401 to enable the bottom plate 405 and the support rod 404 to ascend, the connection board 407 inside the connection frame 403 rises to pull the sealing board 410 upwards through the sliding rod 416, and the marking liquid enters the liquid storage cavity 418 in the same way and flows out from the discharge pipe 408 to mark the convex position, so that the convex and concave road sections can be effectively marked.
Referring to fig. 1-8, in order to prevent the movement, a sliding sleeve 419 is fixed at the bottom end of the connecting plate 407, a telescopic rod 409 is slidably disposed at the bottom end of the sliding sleeve 419, a strong spring 420 is fixed at the upper end of the telescopic rod 409, the top end of the strong spring 420 is fixedly connected with the inner wall of the sliding sleeve 419, the bottom end of the telescopic rod 409 is fixedly connected with the upper end surface of the sealing plate 410, the elastic force of the strong spring 420 is greater than the gravity of the telescopic rod 409 and the sealing plate 410, the strong spring 420 is in an inelastic deformation state when the sealing plate 410 is sealingly disposed at the upper end of the liquid storage cavity 418, so that when a convex road surface is encountered, the sliding sleeve 419 ascends to pull the sliding rod 416 upwards through the strong spring 420, the sealing plate 410 is pulled out to mark that the liquid flows into the liquid storage cavity 418, the elastic force of the strong spring 420 is greater than the gravity of the sliding rod 416 and the sealing plate 410, and the sliding sleeve 419 moves downwards to compress the sliding rod 416 and the sealing plate 410 to move downwards to enter the upper end of the liquid storage cavity 418, when a sunken road surface is encountered, the sealing plate 410 is driven by transmission to ascend, so that the sliding rod 416 is driven to ascend to compress the strong spring 420, the sliding sleeve 419 is not driven to move, and the detection on the sunken road surface and the raised road surface is not linked.
In order to prevent the weeping, the top outer wall of stock solution chamber 418 and the inner wall of linking frame 403 pass through welded mode fixed connection, and the one end of discharging pipe 408 is passed fixed frame 402 and is set up in the outside of fixed frame 402, and the effect of being connected between stock solution chamber 418 and linking frame 403 is more firm through the welded mode messenger, prevents that the problem of weeping from appearing in the junction of stock solution chamber 418 and linking frame 403.
Referring to fig. 1-8, in order to ensure the detection accuracy, a pulley 406 is rotatably disposed at the bottom end of a sliding rod 416, a connecting spring 415 is sleeved outside the sliding rod 416, the top end of the connecting spring 415 is fixedly connected with the bottom end of an L-shaped transmission frame 417, the bottom end of the connecting spring 415 is fixedly connected with the inner wall of the bottom end of a fixed frame 402, the plane of the bottom ends of the pulley 406 and the moving wheel 5 and the plane of the bottom end face of the bottom plate 405 are overlapped, and both the pulley 406 and the bottom plate 405 are overlapped with the plane of the bottom of the moving wheel 5, so that when the moving wheel 5 slides, the pulley 406 and the bottom end of the bottom plate 405 can contact with the ground, and thus the marks can be accurately contacted when the road surface is raised or depressed.
In order to facilitate sliding, a pulley 406 is rotatably arranged at the bottom end of the sliding rod 416, a connecting spring 415 is sleeved outside the sliding rod 416, the top end of the connecting spring 415 is fixedly connected with the bottom end of the L-shaped transmission frame 417, the bottom end of the connecting spring 415 is fixedly connected with the inner wall of the bottom end of the fixed frame 402, the plane of the pulley 406, the bottom end of the moving wheel 5 and the plane of the bottom end of the bottom plate 405 are superposed, the bottom end of the sliding rod 416 is in rolling contact with the ground through the pulley 406 to reduce abrasion, and meanwhile, the sensing effect of the sliding rod 416 on uneven ground is improved.
For effective sealing, the sealing sleeve is fixed inside the upper end of the connecting frame 403, the supporting rod 404 is arranged inside the sealing sleeve in a sliding mode, the outer wall of the supporting rod 404 and the inner wall of the sealing sleeve can be completely attached, and when the supporting rod 404 slides inside the connecting frame 403 through the sealing sleeve, the marking liquid is prevented from leaking from the gap between the supporting rod 404 and the connecting frame 403 and dripping on the ground to affect the marking effect.
In order to prevent the problem of dripping, the inner wall of discharging pipe 408 is smooth wall, and the inside of linking frame 403 contains the difficult mark liquid that adheres, and smooth discharging pipe 408 cooperates the difficult mark liquid that adheres, can make the mark liquid flow out after discharging pipe 408 flows when the mark, can not have remaining part to adhere on discharging pipe 408 inner wall, the problem that mark liquid drips and continues the mark to the road surface appears at the removal in-process.
For better contact with the raised ground, the bottom end of the bottom plate 405 is a downward-bent U-shaped bottom plate 405, the bottom end of the bottom plate 405 is a smooth wall, the upper end of the bottom plate 405 and the support rod 404 are fixedly connected in a welding mode, and the downward-bent U-shaped bottom plate 405 can better contact with the bottom end surface of the bottom plate 405 to drive the bottom plate 405 to slide upwards when the bottom plate 405 contacts with the raised ground, so that the friction effect of the U-shaped bottom plate 405 after contacting with the ground is lighter and the bottom plate 405 can effectively slide.
S2, during detection, a detector pushes the flatness detection device obtained in the step S1 to a road surface to be detected through the pushing frame 3, marking liquid is poured into the connecting frame 403, and the detector pushes the flatness detection device to move on the detection ground; if the ground is not sunken or raised or the sunken and raised range is in the normal range, the flatness of the ground is not influenced, and the flatness detection device finishes detection when moving from one section to one section on the detection road section;
s3, if the ground flatness is poor, dividing the situations into concave road surface and convex road surface;
when the pulley 406 moves to a sunken position, the connecting spring 415 pushes the sliding rod 416 to slide downwards to enable the pulley 406 to be in contact with the sunken ground, the upper end of the sliding rod 416 drives the L-shaped transmission frame 417 to move downwards, the L-shaped connection frame 414 on the other side is driven to ascend through the meshing of the transmission gear 413, the movable fixing column 411 is jacked up to jack the sealing plate 410, the sealing plate is opened from the upper end of the liquid storage cavity 418, the marking liquid in the connecting frame 403 flows into the liquid storage cavity 418 and flows out from the discharge pipe 408 on one side, the time when the pulley 406 passes through the sunken road surface is just the time when the marking liquid enters the liquid storage cavity 418 and flows out from the discharge pipe 408, and therefore the marking liquid flowing out from the discharge pipe 408 on one side after the pulley 406 passes through the sunken part can accurately drop into the sunken ground to mark the sunken part;
when the pulley 406 moves to a convex ground, the bottom plate 405 and the protrusion contact and compress the return spring 401 to enable the bottom plate 405 and the support rod 404 to ascend, the connecting plate 407 inside the connecting frame 403 ascends to pull the sealing plate 410 upwards through the sliding rod 416, the marking liquid enters the liquid storage cavity 418 and flows out from the discharge pipe 408 to mark the convex position, and the convex road section is marked;
in step S3, the sliding rod 416 is slidably engaged with the sliding sleeve 419, a strong spring 420 slidably connected with the sliding rod 416 is disposed inside the sliding sleeve 419, such that when a protruding road surface is encountered, the sliding sleeve 419 rises to pull the sliding rod 416 upwards through the strong spring 420, the sealing plate 410 is pulled out to draw the marking liquid into the liquid storage cavity 418, the elastic force of the strong spring 420 is greater than the gravity of the sliding rod 416 and the sealing plate 410, the sliding sleeve 419 moves downwards from the protruding road surface through the back sliding sleeve 419 while compressing the sliding rod 416 and the sealing plate 410 to move downwards to enter the upper end of the liquid storage cavity 418 for sealing, when a recessed road surface is encountered, the sliding rod 416 is driven to rise by the driving of the sealing plate 410 through transmission to compress the strong spring 420, the sliding sleeve 419 is not driven to move, the detection on the recessed and protruding road surfaces cannot be linked, the smooth discharging pipe 408 is engaged with the marking liquid that is not prone to stick, and the marking liquid can flow out after the discharging pipe 408 flows at the time of marking, no residual part is adhered to the inner wall of the discharge pipe 408, and the problem that the marked liquid drips to continuously mark the road surface in the moving process is solved;
s4, after the detection is finished, the detection personnel move the detection device to a flat road section, the residual marking liquid in the connecting frame 403 is pumped out, the inside of the connecting frame 403 is cleaned, and the problem that the part of the marking liquid, which is in contact with the inner wall of the connecting frame 403, is solidified and dried and is inconvenient to clean is avoided.
Claims (7)
1. A road surface flatness detection method is characterized by comprising the following steps:
s1, researching and manufacturing a road surface flatness detection device;
s2, during detection, a detector pushes the flatness detection device obtained in the step S1 to a road surface to be detected through the pushing frame (3), marking liquid is poured into the connecting frame (403), and the detector pushes the flatness detection device to move on the detection ground; if the ground is not sunken or raised or the sunken and raised range is in the normal range, the flatness of the ground is not influenced, and the flatness detection device finishes detection when moving from one section to one section on the detection road section;
s3, if the ground flatness is poor, dividing the situations into concave road surface and convex road surface;
when the pulley (406) moves to the concave position, the connecting spring (415) pushes the sliding rod (416) to slide downwards to enable the pulley (406) to be in contact with the concave ground, the upper end of the sliding rod (416) drives the L-shaped transmission frame (417) to move downwards, the L-shaped connection frame (414) on the other side is driven to ascend through the meshing of the transmission gear (413), the fixed column (411) is jacked to ascend and lift the sealing plate (410), the sealing plate is opened from the upper end of the liquid storage cavity (418), so that the marking liquid in the connecting frame (403) flows into the liquid storage cavity (418) and flows out from the discharge pipe (408) on one side, and the time when the pulley (406) passes through the concave road surface is just the time when the marking liquid enters the liquid storage cavity (418) and then flows out from the discharge pipe (408), therefore, the marking liquid flowing out of the discharging pipe (408) on one side of the pulley (406) after passing through the depression can be accurately dripped on the ground of the depression to mark the depression;
when the pulley (406) moves to the raised ground, the bottom plate (405) and the boss contact and compress the return spring (401) to enable the bottom plate (405) and the support rod (404) to rise, the connecting plate (407) inside the connecting frame (403) rises and pulls the sealing plate (410) upwards through the sliding rod (416), the marking liquid enters the liquid storage cavity (418) and flows out from the discharge pipe (408) to mark the position of the boss, and the raised road section is marked;
and S4, after the detection is finished, the detection personnel move the detection device to a flat road section, extract the residual marking liquid in the connecting frame (403), and clean the inside of the connecting frame (403).
2. The method for detecting the flatness of the road surface according to claim 1, wherein: highway road flatness detection device includes frame (1), mount (2), unsmooth pushing mechanism (4) and removes wheel (5), wherein: the one end of frame (1) is fixed with and pushes away frame (3), the bottom four corners department of frame (1) is fixed with removes wheel (5), the inside of frame (1) is provided with unsmooth pushing mechanism (4) that are used for measuring the road surface roughness, the both sides of unsmooth pushing mechanism (4) are fixed with and are used for with frame (1) inner wall fixed mount (2).
3. The method for detecting the flatness of the road surface according to claim 2, wherein:
the concave-convex pushing mechanism (4) comprises a return spring (401), a fixed frame (402), a connecting frame (403), a supporting rod (404), a bottom plate (405), a pulley (406), a connecting plate (407), a discharging pipe (408), an expansion rod (409), a sealing plate (410), a fixed column (411), a fixed plate (412), a transmission gear (413), an L-shaped connecting frame (414), a connecting spring (415), a sliding rod (416), an L-shaped transmission frame (417), a liquid storage cavity (418), a sliding sleeve (419) and a strong spring (420); the bottom end of the reset spring (401) is fixedly connected with the outer wall of the support rod (404), and the top end of the reset spring (401) is fixedly connected with the bottom end of the connecting frame (403);
the connecting frame (403) is arranged inside the outer frame (1), the fixing frame (402) is fixed at the bottom end of the connecting frame (403), fixing plates (412) are fixed on the inner walls of two sides of the fixing frame (402), and transmission gears (413) are rotatably arranged on the opposite inner sides of the two fixing plates (412);
one end of the transmission gear (413) is meshed with an L-shaped transmission frame (417), a sliding rod (416) is fixed to the bottom end of the L-shaped transmission frame (417), the bottom end of the sliding rod (416) penetrates through the fixed frame (402) and is arranged on the lower side of the fixed frame (402), an L-shaped connecting frame (414) is meshed to the other side of the transmission gear (413), a fixed column (411) is fixed to the top end of the L-shaped connecting frame (414), a liquid storage cavity (418) is sleeved at the upper end of the fixed column (411) in a sliding mode, and a sealing plate (410) is arranged at the top end of the liquid storage cavity (418) in a sealing mode;
a supporting rod (404) is slidably arranged inside a connecting frame (403) on one side of the fixing frame (402), the top end of the supporting rod (404) is arranged inside the connecting frame (403) and is fixedly provided with a connecting plate (407), the bottom end of the supporting rod (404) penetrates through the connecting frame (403) and is arranged on the lower side of the connecting frame (403), a bottom plate (405) is fixed at the bottom end of the supporting rod (404), an open slot for sleeving a pulley (406) is formed in the upper end of the bottom plate (405), and a return spring (401) is sleeved outside the supporting rod (404);
a sliding sleeve (419) is fixed at the bottom end of the connecting plate (407), a telescopic rod (409) is slidably arranged at the bottom end of the sliding sleeve (419), and a strong spring (420) is fixed at the upper end of the telescopic rod (409); the top end of the strong spring (420) is fixedly connected with the inner wall of the sliding sleeve (419), and the bottom end of the telescopic rod (409) is fixedly connected with the upper end face of the sealing plate (410);
the bottom end of the sliding rod (416) is rotatably provided with a pulley (406), a connecting spring (415) is sleeved outside the sliding rod (416), and the top end of the connecting spring (415) is fixedly connected with the bottom end of the L-shaped transmission frame (417).
4. The method for detecting the flatness of the road surface according to claim 3, wherein: the elasticity of the strong spring (420) is greater than the gravity of the telescopic rod (409) and the sealing plate (410), and the strong spring (420) is in an inelastic deformation state when the sealing plate (410) is arranged at the upper end of the liquid storage cavity (418) in a sealing mode; the outer wall of the top end of the liquid storage cavity (418) is fixedly connected with the inner wall of the connecting frame (403) in a welding mode, and one end of the discharge pipe (408) penetrates through the fixing frame (402) and is arranged on the outer side of the fixing frame (402); the bottom end of the connecting spring (415) is fixedly connected with the inner wall of the bottom end of the fixed frame (402), and the planes of the bottom ends of the pulley (406) and the moving wheel (5) and the bottom end face of the bottom plate (405) coincide.
5. The method for detecting the flatness of the road surface according to claim 3, wherein: the utility model discloses a support bar, including connecting frame (403), bracing piece (404), bracing piece, sealing sleeve, the inside seal cover that is fixed with in the upper end of connecting frame (403), bracing piece (404) slide to set up in the inside of seal cover, the outer wall of bracing piece (404) and the inner wall of seal cover can laminate completely.
6. The method for detecting the flatness of the road surface according to claim 3, wherein: one end of the liquid storage cavity (418) is fixed with a discharge pipe (408), the inner wall of the discharge pipe (408) is a smooth wall, and the inside of the connecting frame (403) is filled with marking liquid which is not easy to adhere.
7. The method for detecting the flatness of the road surface according to claim 3, wherein: the bottom end of the bottom plate (405) is of a U shape bent downwards, the bottom end of the bottom plate (405) is a smooth wall, and the upper end of the bottom plate (405) is fixedly connected with the support rod (404) in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383950.1A CN114960371A (en) | 2022-04-13 | 2022-04-13 | Highway pavement flatness detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210383950.1A CN114960371A (en) | 2022-04-13 | 2022-04-13 | Highway pavement flatness detection method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342714A (en) * | 2022-10-20 | 2022-11-15 | 武汉市金诚瑞达石材有限公司 | Lace stone flatness detection device |
| CN116295226A (en) * | 2023-05-19 | 2023-06-23 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
| CN116289450A (en) * | 2023-04-25 | 2023-06-23 | 山东聚龙装备制造有限公司 | Road flatness surveys equipment |
| CN116358394A (en) * | 2023-04-13 | 2023-06-30 | 王加新 | House building plane flatness detection device |
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2022
- 2022-04-13 CN CN202210383950.1A patent/CN114960371A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342714A (en) * | 2022-10-20 | 2022-11-15 | 武汉市金诚瑞达石材有限公司 | Lace stone flatness detection device |
| CN116358394A (en) * | 2023-04-13 | 2023-06-30 | 王加新 | House building plane flatness detection device |
| CN116289450A (en) * | 2023-04-25 | 2023-06-23 | 山东聚龙装备制造有限公司 | Road flatness surveys equipment |
| CN116289450B (en) * | 2023-04-25 | 2023-09-05 | 山东聚龙装备制造有限公司 | Road flatness surveys equipment |
| CN116295226A (en) * | 2023-05-19 | 2023-06-23 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
| CN116295226B (en) * | 2023-05-19 | 2023-08-04 | 山西鑫鼎宸科技股份有限公司 | Road bridge flatness detection equipment |
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