CN114001700A - Detection method and calibration method for construction depth by sand-laying method - Google Patents
Detection method and calibration method for construction depth by sand-laying method Download PDFInfo
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- CN114001700A CN114001700A CN202111235351.7A CN202111235351A CN114001700A CN 114001700 A CN114001700 A CN 114001700A CN 202111235351 A CN202111235351 A CN 202111235351A CN 114001700 A CN114001700 A CN 114001700A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000010276 construction Methods 0.000 title abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 101
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims description 82
- 230000033001 locomotion Effects 0.000 claims description 67
- 230000008569 process Effects 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000007480 spreading Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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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
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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
- G01B21/18—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 depth
Abstract
The invention relates to a detection method and a calibration method for the structural depth of a sand-spreading method, wherein the detection method comprises the following steps of firstly, pouring sand with a certain volume into the center of a to-be-detected area on a road surface, secondly, spreading the sand by using a sand-spreading device, wherein the sand-spreading device comprises a device support and a push plate, the push plate is a circular plate, a rotating frame driven by a first power mechanism is rotatably assembled on the device support, the push plate is arranged on the rotating frame, and the sand-spreading device further comprises a second power mechanism driving the push plate to move along the radial direction. The invention provides a detection method for the construction depth of a sand-laying method with higher sand-laying precision; the invention also provides a calibration method for the sand-laying method construction depth, which can be used for calibrating manual sand laying.
Description
Technical Field
The invention relates to the field of structural depth detection and calibration, in particular to a detection method and a calibration method for structural depth by a sand laying method.
Background
The structural depth of the road surface, also called texture depth, is an important index of the roughness of the road surface, and refers to the average depth of uneven open pores on the road surface with a certain area, and is mainly used for evaluating the macro roughness, the drainage property and the skid resistance of the road surface.
The manual sand paving is a common pavement structure depth detection mode, the operation process of manual sand paving is to pour a certain volume of sand on a pavement to be detected, then manually hold a push plate to pave the sand on the pavement to be detected from the center to the periphery, the paved sand is circular, and the structure depth of the pavement can be calculated according to the paving diameter of the paved sand. That is, how much sand is ultimately spread out to the diameter of the circular area affects the calculated depth of the final formation of the pavement. The manual sand spreading is affected by the experience and operational proficiency of the operator, and the detection accuracy of the formation depth is affected.
Disclosure of Invention
The invention aims to provide a method for detecting the structural depth of a sand laying method with higher sand laying precision; it is also an object of the present invention to provide a calibration method for sanded formation depth that can be used to calibrate manual sanding.
In order to solve the technical problems, the technical scheme of the method for detecting the structural depth by the sand-laying method is as follows:
the utility model provides a detection method for spreading sand method structure degree of depth, the method includes following step, first step, empty the sand of certain volume in the road surface and wait the center of detecting the region, secondly, use sand paving device to pave the sand, sand paving device includes the device support and pushes away the flat board, it is the circular slab to push away the flat board, it is equipped with the rotating turret by first power unit drive to rotate on the device support, it sets up on the rotating turret to push away the flat board, sand paving device still includes the drive and pushes away the second power unit of flat board radial movement, sand paving device does to the process of paving of sand:
the first power mechanism drives the push flat plate to rotate at least one circle at the center of the area to be detected on the road surface, and a raised sand ring is formed at the edge position of the push flat plate;
under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate and the protruded sand ring track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, L is less than the diameter of the push flat plate, and in the revolution motion process of the push flat plate, the sand ring in contact with the head-on surface of the push flat plate is positioned at the outer side of the circle center track of the push flat plate and is used for pushing the sand ring at the head-on surface of the push flat plate to the peripheral tangent position of the push flat plate;
when the height of the raised sand ring is lower than 2mm, the pitch of the motion track of the pushing plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and at least one last circle of the revolution motion track of the pushing plate moves circularly.
In the step 2), L is 1/3 of the diameter of the leveling plate, and the linear speed of the leveling plate in the revolution motion is constant.
In the step 3), when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the leveling plate is gradually reduced until all sand and the road surface are leveled into a circular area, the last two circles of the revolution motion track of the leveling plate are in circular motion, the last two circles of the revolution motion of the leveling plate are leveled, and the motion speed of the leveling plate is lower than that of the leveling plate at other moments.
The rotating frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotating frame is rotatably connected with the device support through a rotating shaft, the rotating shaft is a hollow shaft, the second power mechanism comprises a central transmission shaft, the central transmission shaft penetrates through an inner hole of the hollow shaft, a central transmission wheel is arranged on the central transmission shaft, one end, far away from the rotating shaft, of the rotating frame is provided with an edge transmission wheel, the central transmission wheel is in transmission connection with the edge transmission wheel through a transmission piece, the transmission piece is a transmission chain or a transmission belt, and the push flat plate is connected with the transmission piece.
The first power mechanism comprises a first speed reducing motor connected with the rotating shaft, and the second power mechanism comprises a second speed reducing motor connected with the central transmission shaft.
The technical scheme of the calibration method for the construction depth by the sand-laying method is as follows:
the utility model provides a calibration method for spreading sand method structure degree of depth, the method includes following step, first step, empty the sand of certain volume in the road surface and wait the center of detecting the region, secondly, use sand paving device to pave the sand, sand paving device includes the device support and pushes away the flat board, it is the circular slab to push away the flat board, it is equipped with the rotating turret by first power unit drive to rotate on the device support, it sets up on the rotating turret to push away the flat board, sand paving device still includes the drive and pushes away the second power unit of flat board radial movement, sand paving device does to the process of paving of sand:
the first power mechanism drives the push flat plate to rotate at least one circle at the center of the area to be detected on the road surface, and a raised sand ring is formed at the edge position of the push flat plate;
under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate and the protruded sand ring track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, L is less than the diameter of the push flat plate, and in the revolution motion process of the push flat plate, the sand ring in contact with the head-on surface of the push flat plate is positioned at the outer side of the circle center track of the push flat plate and is used for pushing the sand ring at the head-on surface of the push flat plate to the peripheral tangent position of the push flat plate;
when the height of the raised sand ring is lower than 2mm, the pitch of the motion track of the pushing plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and at least one last circle of the revolution motion track of the pushing plate moves circularly.
And thirdly, calibrating the artificial paving by comparing the diameter of the circular area with the paving diameter of the artificial paving.
In the step 2), L is 1/3 of the diameter of the leveling plate, and the linear speed of the leveling plate in the revolution motion is constant.
In the step 3), when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the leveling plate is gradually reduced until all sand and the road surface are leveled into a circular area, the last two circles of the revolution motion track of the leveling plate are in circular motion, the last two circles of the revolution motion of the leveling plate are leveled, and the motion speed of the leveling plate is lower than that of the leveling plate at other moments.
The rotating frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotating frame is rotatably connected with the device support through a rotating shaft, the rotating shaft is a hollow shaft, the second power mechanism comprises a central transmission shaft, the central transmission shaft penetrates through an inner hole of the hollow shaft, a central transmission wheel is arranged on the central transmission shaft, one end, far away from the rotating shaft, of the rotating frame is provided with an edge transmission wheel, the central transmission wheel is in transmission connection with the edge transmission wheel through a transmission piece, the transmission piece is a transmission chain or a transmission belt, and the push flat plate is connected with the transmission piece.
The first power mechanism comprises a first speed reducing motor connected with the rotating shaft, and the second power mechanism comprises a second speed reducing motor connected with the central transmission shaft.
The invention has the beneficial effects that: according to the sand flattening device, the first power mechanism and the second power mechanism can drive the flattening plate to move radially and circumferentially at the same time, so that the motion trail of the equidistant spiral line is realized, the flattening plate pushes the facing sand ring to the peripheral tangent position in the motion process, and the inward sand ring is not generated, so that the sand is efficiently flattened, the machinery is used for replacing the manual work, the labor force is reduced, the flattening precision can be guaranteed, and the sand flattening device can be used for not only constructing depth detection, but also calibrating manual sand spreading.
Furthermore, L is 1/3 of the diameter of the push flat plate, and the linear speed of the push flat plate in revolution motion is at a constant speed, so that the push flat plate can be pushed for three times at a constant speed in each area, and the paving quality of sand is ensured.
Drawings
Fig. 1 is a schematic view of a sand ring after a first walking pushing plate rotates in the detection method of the invention;
FIG. 2 is a schematic diagram of a state where a pushing plate pushes a first circle of equidistant spiral wire sand circles flat in the detection method of the present invention;
FIG. 3 is a schematic diagram of the detection method of the present invention in which the pushing plate pushes the second circle of equidistant spiral wire into a flat state;
FIG. 4 is a schematic diagram of the seventh circle of equidistant spiral wire sanded circle being flattened by the flattening plate in the detection method of the present invention;
FIG. 5 is a trace diagram of a sand circle generated in the detection method of the present invention, and is also a trace diagram of a tangent line of the periphery of the push flat plate;
FIG. 6 is a schematic view of the sand spreading device of the detection method of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view of the sand paving apparatus with the push plate moved to the outer end of the radial guide in the inspection method of the present invention;
FIG. 9 is a top view of FIG. 8;
in the figure: 1. pushing the flat plate; 2. the sand ring formed in the first step; 3. a first circle of equidistant spiral wire sand circles; 4. a second circle of equidistant spiral wire sand circles; 5. a seventh circle of equidistant spiral wire sand circles; 6. the sand ring is in contact with the head-on surface of the push flat plate; 7. pushing the peripheral tangent position of the flat plate; 8. a spiral wire coil trajectory; 9. the last two circles of the sand circle trajectory; 10. a sand paving device; 11. a windshield; 12. a rotating frame; 13. a pull wire displacement sensor; 14. a central transmission wheel; 15. a central drive shaft; 16. a rotating shaft; 17. a connecting rod; 18. a transmission member; 19. an edge transmission wheel; 20. a radial guide rail; 21. a guide rail seat.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The embodiment of the detection method for detecting the structural depth by the sand-laying method is shown in figures 1-9:
the method comprises the following steps of, firstly, dumping sand of a certain volume into the center of a to-be-detected area on the road surface, secondly, paving sand by using a sand paving device 10, wherein the sand paving device comprises a device support and a pushing plate 1, the bottom surface of the pushing plate is a sand pushing plane, the pushing plate 1 is a circular plate, the device support is rotatably assembled with a rotating frame 12 driven by a first power mechanism, the pushing plate 1 is arranged on the rotating frame 12, the sand paving device further comprises a second power mechanism for driving the pushing plate to move along the radial direction, and the paving process of the sand paving device to the sand is as follows:
1) the first power mechanism drives the push plate to rotate for three circles at the center of the area to be detected on the road surface, a protruding sand ring is formed at the edge position of the push plate, the protruding sand ring can be called a sand ring 2 formed in the first step, and the push plate rotates in the first step, so that the sand ring 2 formed in the first step is a circular sand ring;
2) under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate 1 and the protruded sand circle track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, and L is one third of the diameter of the push flat plate; as shown in fig. 2, item 3 represents a first equidistant spiral wire sand loop, which is formed by one equidistant spiral motion of the pushing plate 1, and when the pushing plate performs the next equidistant spiral motion, the purpose is to push the seventh equidistant spiral wire sand loop generated by the previous motion. As shown in fig. 4, the chain line in the drawing indicates an equidistant spiral wire sand loop generated when the push plate moves for the sixth circle, item 5 indicates an equidistant spiral wire sand loop generated when the push plate moves for the seventh circle, also called seventh equidistant spiral wire sand loop, when the baffle push plate 1 moves for the eighth circle, the position 6 where the seventh equidistant spiral wire sand loop 5 contacts with the push plate head-on surface is positioned at the outer side of the circle center track of the push plate, so that the protruded sand loop is not pushed to the inner side of the push plate, but is pushed to the peripheral tangent position 7 of the push plate, thereby forming a new equidistant spiral wire sand loop;
3) when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the push flat plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and the last two circles of the revolution motion track of the push flat plate are in circular motion. And calculating the construction depth of the detected road surface according to the diameter of the circular area.
Can see out by the motion trail of pushing flat board, the sand in every region, pushing flat board all can push flat the cubic at the uniform velocity to guaranteed that the sand can be abundant fill up the hole that constructs on road surface, and pushing flat the outstanding husky circle that produces, outstanding husky circle only can be surveyed along pushing flat the head-on and remove outwards to periphery tangent line position, can not form outstanding husky circle at the inboard of pushing flat board, thereby guarantee to push flat the operation of pushing flat of board equidistance spiral line orbit just can be accomplished to the sand, efficiency is higher.
The sand paving device has the specific structure that: the device support comprises a wind shield 11 with a downward opening, a radial guide rail 20 is arranged on the rotating frame 12, the radial guide rail 20 is composed of two guide rods which are arranged in parallel, a push flat plate is assembled on the radial guide rail in a guiding and moving mode through a guide rail seat 21, the specific guide rail seat 21 is matched with the two guide rods in a guiding and moving mode, and the push flat plate 1 is fixed at the lower end of the guide rail seat 21.
The rotating frame 12 is rotatably connected with the device support through a rotating shaft 16, the rotating shaft is vertically arranged, the rotating shaft 16 is a hollow shaft, and the first power mechanism comprises a first speed reduction motor for driving the rotating shaft to rotate.
The second power mechanism comprises a central transmission shaft 15, the central transmission shaft 15 is arranged in an inner hole of the hollow shaft in a penetrating mode, a central transmission wheel 14 is fixedly arranged on the central transmission shaft 15, an edge transmission wheel 19 is arranged at one end, far away from a rotating shaft 16, of the rotating frame 12, the axis of the central transmission wheel 14 and the axis of the edge transmission wheel 19 are arranged in an extending mode in the up-and-down direction, the central transmission wheel 14 and the edge transmission wheel 19 are in transmission connection through a transmission piece 18, the transmission piece 18 is a transmission chain or a transmission belt, the push plate 1 is connected with the transmission piece through a connecting rod 17, the upper end of the specific connecting rod 17 is fixed on the transmission piece 18, and the guide rail seat 21 is fixed at the lower end of the transmission piece 18. The end of the radial guide rail remote from the rotating shaft 16 is fixed with a driving wheel bracket, and the edge driving wheel 19 is rotatably assembled on the driving wheel bracket. A stay wire displacement sensor 13 is arranged between the rotating frame and the connecting rod, and the stay wire displacement sensor 13 is used for detecting the radial movement distance of the push plate. The second power mechanism comprises a second speed reducing motor in transmission connection with the central transmission shaft. The first speed reduction motor and the second speed reduction motor are both fixed on the windshield 11. The rotating frame comprises vertical rods arranged in parallel with the hollow shaft, the vertical rods are located on one side of the hollow shaft, the upper ends of the vertical rods are fixedly connected with the hollow shaft, and the radial guide rails are fixed at the lower ends of the vertical rods. One end of the stay wire displacement sensor is fixed on the vertical rod, and the stay wire displacement sensor and the radial guide rail are arranged in parallel.
In the actual working process, the rotating frame drives the pushing flat plate to revolve around the axis of the rotating shaft, the transmission piece can drive the pushing flat plate to move along the radial direction of the guide rail, so that the pushing flat plate can move along the equidistant spiral line track or along the circle center track, when the pushing flat plate moves to the position right below the rotating shaft, the pushing flat plate and the rotating shaft are arranged coaxially, at the moment, when the rotating frame rotates, the rotating frame equivalently rotates, and the first-step operation can be completed.
In the invention, the central transmission shaft and the rotating shaft are arranged coaxially, so that the arrangement of the second speed reducing motor is convenient, and if the second speed reducing motor is arranged on the rotating frame, in order to avoid that the cables of the second speed reducing motor are twisted together in the rotating process of the second speed reducing motor along with the rotating frame, structures such as a conductive sliding ring and the like need to be arranged, the structure is more complicated, the cost of the conductive sliding ring is higher, and the failure rate is higher. According to the invention, through the arrangement of the central transmission shaft, the second speed reducing motor does not need to be fixed on the rotating frame, the second speed reducing motor can be directly fixed on the wind shield, and the second speed reducing motor does not need to rotate, so that the arrangement is more convenient, and the transmission structure is more stable and reliable.
In other embodiments of the present invention, the pitch of the equidistant spiral line is L, which may be one half or one quarter of the diameter of the push plate, as long as it is smaller than the diameter of the push plate; step 3), when the height of the raised sand ring is lower than 2mm, the pitch of the motion track of the push flat plate can be gradually reduced, and finally, the last circle of the revolution motion track of the push flat plate can be circular motion.
A calibration method for the depth of a sanded structure, as shown in fig. 1-9:
the method comprises the following steps of, firstly, dumping sand of a certain volume into the center of a to-be-detected area on the road surface, secondly, paving sand by using a sand paving device, wherein the sand paving device comprises a device support and a pushing plate, the pushing plate is a circular plate, the device support is rotatably assembled with a rotating frame driven by a first power mechanism, the pushing plate is arranged on the rotating frame, the sand paving device further comprises a second power mechanism driving the pushing plate to move along the radial direction, and the sand paving process of the sand paving device is as follows:
1) the first power mechanism drives the push flat plate to rotate at least one circle at the center of the area to be detected on the road surface, and a raised sand ring is formed at the edge position of the push flat plate;
2) under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate and the protruded sand ring track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, L is less than the diameter of the push flat plate, and in the revolution motion process of the push flat plate, the sand ring in contact with the head-on surface of the push flat plate is positioned at the outer side of the circle center track of the push flat plate and is used for pushing the sand ring at the head-on surface of the push flat plate to the peripheral tangent position of the push flat plate;
3) when the height of the raised sand ring is lower than 2mm, the pitch of the motion track of the pushing plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and at least one last circle of the revolution motion track of the pushing plate moves circularly.
And thirdly, calibrating the artificial paving by comparing the diameter of the circular area with the paving diameter of the artificial paving. The sand spreading device involved in the calibration method is of the same construction as the sand spreading device involved in the detection method described above and will not be described in detail here. The first two steps in the calibration method are the same as those in the detection method embodiment, namely, the sand is paved by the sand paving device, and only after the sand is paved, the diameter of the circular area is compared with the paving diameter of the artificial paving to calibrate the artificial paving, if the error between the paving diameter of the artificial paving and the paving diameter finally obtained in the calibration method is +/-1 mm, the result of the artificial paving is accurate, and if the error exceeds the error range, the result of the artificial paving is inaccurate.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A detection method for the structural depth of a sand-laying method is characterized by comprising the following steps: the method comprises the following steps of, firstly, dumping sand of a certain volume into the center of a to-be-detected area on the road surface, secondly, paving sand by using a sand paving device, wherein the sand paving device comprises a device support and a pushing plate, the pushing plate is a circular plate, the device support is rotatably assembled with a rotating frame driven by a first power mechanism, the pushing plate is arranged on the rotating frame, the sand paving device further comprises a second power mechanism driving the pushing plate to move along the radial direction, and the sand paving process of the sand paving device is as follows:
1) the first power mechanism drives the push flat plate to rotate at least one circle at the center of the area to be detected on the road surface, and a raised sand ring is formed at the edge position of the push flat plate;
2) under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate and the protruded sand ring track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, L is less than the diameter of the push flat plate, and in the revolution motion process of the push flat plate, the sand ring in contact with the head-on surface of the push flat plate is positioned at the outer side of the circle center track of the push flat plate and is used for pushing the sand ring at the head-on surface of the push flat plate to the peripheral tangent position of the push flat plate;
3) when the height of the raised sand ring is lower than 2mm, the pitch of the motion track of the pushing plate is gradually reduced until all the sand and the road surface are pushed flat into a circular area, and at least one last circle of the revolution motion track of the pushing plate moves circularly.
2. The detection method according to claim 1, characterized in that: in the step 2), L is 1/3 of the diameter of the leveling plate, and the linear speed of the leveling plate in the revolution motion is constant.
3. The detection method according to claim 1, characterized in that: in the step 3), when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the leveling plate is gradually reduced until all sand and the road surface are leveled into a circular area, the last two circles of the revolution motion track of the leveling plate are in circular motion, the last two circles of the revolution motion of the leveling plate are leveled, and the motion speed of the leveling plate is lower than that of the leveling plate at other moments.
4. The detection method according to any one of claims 1 to 3, characterized in that: the rotating frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotating frame is rotatably connected with the device support through a rotating shaft, the rotating shaft is a hollow shaft, the second power mechanism comprises a central transmission shaft, the central transmission shaft penetrates through an inner hole of the hollow shaft, a central transmission wheel is arranged on the central transmission shaft, one end, far away from the rotating shaft, of the rotating frame is provided with an edge transmission wheel, the central transmission wheel is in transmission connection with the edge transmission wheel through a transmission piece, the transmission piece is a transmission chain or a transmission belt, and the push flat plate is connected with the transmission piece.
5. The detection method according to claim 4, characterized in that: the first power mechanism comprises a first speed reducing motor connected with the rotating shaft, and the second power mechanism comprises a second speed reducing motor connected with the central transmission shaft.
6. A method for calibrating the depth of a sanded structure, comprising: the method comprises the following steps of, firstly, dumping sand of a certain volume into the center of a to-be-detected area on the road surface, secondly, paving sand by using a sand paving device, wherein the sand paving device comprises a device support and a pushing plate, the pushing plate is a circular plate, the device support is rotatably assembled with a rotating frame driven by a first power mechanism, the pushing plate is arranged on the rotating frame, the sand paving device further comprises a second power mechanism driving the pushing plate to move along the radial direction, and the sand paving process of the sand paving device is as follows:
1) the first power mechanism drives the push flat plate to rotate at least one circle at the center of the area to be detected on the road surface, and a raised sand ring is formed at the edge position of the push flat plate;
2) under the drive of the first power mechanism and the second power mechanism, the push flat plate gradually performs revolution motion of equidistant spiral lines outwards by taking the center of a region to be detected as a starting point, the circle center motion track of the push flat plate and the protruded sand ring track formed at the peripheral tangent position of the push flat plate are both in the shape of equidistant spiral lines, the pitch of the equidistant spiral lines is L, L is less than the diameter of the push flat plate, and in the revolution motion process of the push flat plate, the sand ring in contact with the head-on surface of the push flat plate is positioned at the outer side of the circle center track of the push flat plate and is used for pushing the sand ring at the head-on surface of the push flat plate to the peripheral tangent position of the push flat plate;
3) when the height of the raised sand ring is lower than 2mm, gradually reducing the pitch of the motion track of the pushing plate until all the sand and the road surface are pushed to form a circular area, wherein at least the last circle of the revolution motion track of the pushing plate moves circularly;
and thirdly, calibrating the artificial paving by comparing the diameter of the circular area with the paving diameter of the artificial paving.
7. The calibration method according to claim 6, wherein: in the step 2), L is 1/3 of the diameter of the leveling plate, and the linear speed of the leveling plate in the revolution motion is constant.
8. The calibration method according to claim 6, wherein: in the step 3), when the height of the raised sand ring is lower than 1mm, the pitch of the motion track of the leveling plate is gradually reduced until all sand and the road surface are leveled into a circular area, the last two circles of the revolution motion track of the leveling plate are in circular motion, the last two circles of the revolution motion of the leveling plate are leveled, and the motion speed of the leveling plate is lower than that of the leveling plate at other moments.
9. The calibration method according to any one of claims 6 to 9, wherein: the rotating frame is provided with a radial guide rail, the push flat plate is assembled on the radial guide rail in a guiding and moving mode, the rotating frame is rotatably connected with the device support through a rotating shaft, the rotating shaft is a hollow shaft, the second power mechanism comprises a central transmission shaft, the central transmission shaft penetrates through an inner hole of the hollow shaft, a central transmission wheel is arranged on the central transmission shaft, one end, far away from the rotating shaft, of the rotating frame is provided with an edge transmission wheel, the central transmission wheel is in transmission connection with the edge transmission wheel through a transmission piece, the transmission piece is a transmission chain or a transmission belt, and the push flat plate is connected with the transmission piece.
10. Calibration method according to claim 9, characterized in that: the first power mechanism comprises a first speed reducing motor connected with the rotating shaft, and the second power mechanism comprises a second speed reducing motor connected with the central transmission shaft.
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