CN117330022B - Settlement degree measuring device for bridge design - Google Patents
Settlement degree measuring device for bridge design Download PDFInfo
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- CN117330022B CN117330022B CN202311629490.7A CN202311629490A CN117330022B CN 117330022 B CN117330022 B CN 117330022B CN 202311629490 A CN202311629490 A CN 202311629490A CN 117330022 B CN117330022 B CN 117330022B
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- 238000013461 design Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 239000011159 matrix material Substances 0.000 claims abstract description 46
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 abstract description 21
- 230000008859 change Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000003086 colorant Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
Abstract
The invention discloses a settlement measurement device for bridge design, which comprises a settlement observation adjustment mechanism, an observation point installation mechanism, a matrix type laser emission mechanism and a light spot receiving mechanism. The invention belongs to the technical field of bridge settlement observation, and particularly relates to a settlement measurement device for bridge design; matrix light points at the transmitting position of the pulse laser transmitter are irradiated on the receiver in parallel and are received by the receiving light curtain, wherein the circular observation points on the propagation path can block the propagation of light, so that the light point matrix finally received on the receiving light curtain is not complete, the positions of the circular observation points of each group can be fed back through the analysis of missing light points, the measured positions are compared with the reference positions, and the periodical change of the positions of the circular observation points is analyzed, so that the sedimentation condition of the circular observation points can be obtained.
Description
Technical Field
The invention belongs to the technical field of bridge settlement observation, and particularly relates to a settlement measurement device for bridge design.
Background
The bridge is relatively stable because the two sides of the bridge are mostly connected with the land, the middle bridge pier is mostly positioned in the water, the geological condition is poor, and the vehicle can generate alternate pressure when passing through the bridge in daily life, so that sedimentation is easy to occur, and therefore, the observation of parameters such as sedimentation of the bridge is a very important work.
The current observation is mainly divided into two kinds of manual observation and automatic monitoring, wherein the automatic monitoring is high in safety because manual participation is not needed, the interval time of measurement is short, and the lock nut can be continuously monitored in an uninterrupted mode for hours, but the energy consumption is high because the observation device is mostly needed to be electrified to operate, and the sedimentation observation of the bridge is generally needed to be provided with a large number of observation points on a straight line, so that the energy consumption, the cost, the failure rate and the like are always high.
In order to solve the problem, the invention provides an observation mode that only precise instruments are arranged at two ends, and all observation points in the middle are filled by adopting a structure without electrifying, so that the installation and use cost is greatly reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a settlement measuring device for bridge design, wherein matrix light points at the transmitting position of a pulse laser transmitter are irradiated on a receiver in parallel and are received by a receiving light curtain, wherein the round observation points on a propagation path can block the propagation of light, so that a light point matrix finally received on the receiving light curtain is not complete, the positions of all groups of round observation points can be fed back through the analysis of missing light points, the measured positions are compared with reference positions, and the periodical change of the positions of the round observation points is analyzed, so that the settlement condition of the round observation points can be obtained.
The technical scheme adopted by the invention is as follows: the invention provides a settlement degree measuring device for bridge design, which comprises a settlement observation adjusting mechanism, an observation point mounting mechanism, a matrix type laser emitting mechanism and a light spot receiving mechanism, wherein the settlement observation adjusting mechanism is arranged on the observation point mounting mechanism, a plurality of groups of the observation point mounting mechanism are arranged in an array, the matrix type laser emitting mechanism and the light spot receiving mechanism are respectively positioned at two ends of the observation point mounting mechanism, and the observation point mounting mechanism, the matrix type laser emitting mechanism and the light spot receiving mechanism are all arranged on a straight line.
Further, matrix light points at the emitting position of the pulse laser emitter are irradiated on the receiver in parallel and are received by the receiving light curtain, wherein the circular observation points on the propagation path can block the propagation of light, so that the light point matrix finally received on the receiving light curtain is not complete, the positions of the circular observation points in each group can be fed back through the analysis of missing light points, the measured positions are compared with the reference positions, and the periodical change of the positions of the circular observation points is analyzed, so that the sedimentation condition of the circular observation points can be obtained.
Preferably, the settlement observation adjusting mechanism comprises a double-fork longitudinal adjusting component and a double-shaft locking fixing component, wherein the double-shaft locking fixing component is slidably arranged on the double-fork longitudinal adjusting component, and the double-fork longitudinal adjusting component is arranged on the observation point mounting mechanism.
The double-fork-frame longitudinal adjusting assembly comprises a top baffle and longitudinal sliding strips, wherein the longitudinal sliding strips are fixedly connected below the top baffle, and two groups of longitudinal sliding strips are provided with mutually symmetrical slope surfaces.
The longitudinal sliding strips are inserted into different grid holes, so that the transverse position of the round observation point can be adjusted, and the longitudinal position of the round observation point can be adjusted through the fastening nuts; the transverse position of the round observation point can be adjusted in a small amplitude through the sliding of the observation frame on the transverse moving fork frame, and after the adjustment is finished, laser passes through a gap of the longitudinal sliding strip, so that in the whole measurement process, only the baffle plate part has the possibility of blocking the laser.
Further, the double-shaft locking fixing assembly comprises a circular observation point, a tail clamping table and a fastening nut, wherein the circular observation point consists of a baffle plate part and a screw rod part, trapezoidal grooves matched with the slope surface are symmetrically formed in the baffle plate part, and the circular observation point can be locked and fixed on a longitudinal sliding strip through the matching of the slope surface and the trapezoidal grooves, and meanwhile, the longitudinal sliding strip is also fixed on an observation frame in a mode of extruding the longitudinal sliding strip, so that the regulation locking structure and the regulation locking step are simplified; the tail clamping table is provided with a square groove matched with the slope surface, a clamping table round hole part is formed in the middle of the tail clamping table, the round observation point is arranged on the longitudinal sliding strip through trapezoidal groove clamping, the tail clamping table is arranged on the longitudinal sliding strip through square groove clamping, and the fastening nut is in threaded connection with the screw rod part.
Preferably, the observation point mounting mechanism comprises a fork assembly, a stud locking assembly and an observation frame, the fork assembly comprises an observation mounting plate and a transverse fork, the transverse fork is mounted on a bridge through bolts, the transverse fork is arranged on the observation mounting plate, and the upper end array and the lower end array of the transverse fork are sequentially provided with a through hollowed-out part and an end round hole.
Further, the stud locking assembly comprises a locking stud and a locking nut, the locking nut is in threaded connection with the locking stud, the stud locking assembly is provided with two groups, the two groups of stud locking assemblies are respectively arranged in the hollow part and the round hole at the end part, and the observation frame is positioned between the two groups of stud locking assemblies.
The transverse position of the round observation point can be accurately adjusted through the transverse shifting fork frame capable of transversely shifting, so that the longitudinal sliding strip is guaranteed not to shade light spots, and meanwhile, the installation errors caused by the problem of the installation position or the area can be compensated through the transverse and longitudinal adjustment of the initial position of the round observation point, so that the round observation points of each group can be guaranteed to be adjusted to the relatively proper initial position convenient to observe.
Preferably, guide bosses are symmetrically arranged at the upper end and the lower end of the observation frame, the observation frame is arranged in the hollowed-out part in a clamping and sliding manner through the guide bosses, grid holes are arranged on the guide bosses in an array manner, and the longitudinal sliding strips are arranged in the grid holes in a clamping manner.
Further, matrix laser emission mechanism includes transmission mounting panel and pulsed laser emitter, the transmission mounting panel passes through the bolt to be installed on the bridge, pulsed laser emitter locates on the transmission mounting panel, one side array of pulsed laser emitter's orientation observation frame is equipped with matrix laser head.
Preferably, the light spot receiving mechanism comprises a receiving mounting plate and a receiver, wherein the receiving mounting plate is mounted on the bridge through bolts, the receiver is arranged on the receiving mounting plate, a receiving light curtain is arranged on one side, facing the observation frame, of the receiver, and the matrix laser head and the receiving light curtain are arranged in parallel.
Preferably, since the matrix laser emitting mechanism and the light spot receiving mechanism are mounted on the measurement reference point which is not easy to generate sedimentation, the matrix laser head emits the matrix light spots in a pulse intermittent emitting mode, and the light spots can be received by the receiving light curtain after being transmitted in the air, so that the longitudinal displacement (small-amplitude transverse displacement can be fed back) of the round observation point caused by bridge sedimentation can be reflected.
The observation frames are arranged in parallel with the matrix laser head and the light receiving curtain.
If a spot is partly blocked, it may happen that the individual spot is smaller or the spot is darkened, at which point it should be recognized that the spot has been partly blocked, the spot should be discarded, and if the spot darkens due to weather problems, a large spot darkens at the same time, which can be easily distinguished.
Furthermore, the invention also discloses a processing step of the image, which comprises the following steps:
s1: the picture is subjected to black and white treatment, including that the light spot is replaced by a white point, then corresponding gray scale is assigned to the white point according to the brightness of the light spot, the higher the brightness of the light spot is, the higher the transparency of the light spot and the background is, and the light spot with the volume being obviously smaller than the surrounding or the brightness being obviously lower than the surrounding is deleted;
s2: positioning the position of the observation point: through a circulation program, using a circle with the diameter equal to that of a circular observation point, enabling the coordinate position of a central point to carry out snakelike traversal on all light spot coordinates, enabling the circulation times to be not less than the number of the observation points, and in the circulation process, if the number of light spots in the circle at the position is less than 0, indicating that the position coincides with a baffle plate of the observation point, enabling the current circle to stay at the position, exiting the current circulation, and entering the next circulation;
s3: the result is fed back, the difference value between the current circle coordinate and the reference coordinate is calculated, and the sedimentation or offset amplitude is obtained; wherein the periodic float is normal on site and continuously falls to sedimentation;
s4: and (3) carrying out visualization processing on the result, filling colors into the areas in the circles, taking all the other areas as the ground colors, and then outputting the image result.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) Matrix light points at the transmitting position of the pulse laser transmitter are irradiated on the receiver in parallel and are received by the receiving light curtain, wherein the circular observation points on the propagation path can block the propagation of light, so that the light point matrix finally received on the receiving light curtain is not complete, the positions of the circular observation points of each group can be fed back through the analysis of missing light points, the measured positions are compared with the reference positions, and the periodical change of the positions of the circular observation points is analyzed, so that the sedimentation condition of the circular observation points can be obtained.
(2) Through the cooperation of slope and trapezoidal recess, can be when locking circular observation point on vertical draw runner, also fix vertical draw runner on the observation frame through the mode of extrusion vertical draw runner, simplified regulation locking structure and adjusted locking step.
(3) The longitudinal sliding strips are inserted into different grid holes, so that the transverse position of the round observation point can be adjusted, and the longitudinal position of the round observation point can be adjusted through the fastening nuts; the transverse position of the round observation point can be adjusted in a small amplitude through the sliding of the observation frame on the transverse moving fork frame, and after the adjustment is finished, laser passes through a gap of the longitudinal sliding strip, so that in the whole measurement process, only the baffle plate part has the possibility of blocking the laser.
(4) The transverse position of the round observation point can be accurately adjusted through the transverse shifting fork frame capable of transversely shifting, so that the longitudinal sliding strip is guaranteed not to shade light spots, and meanwhile, the installation errors caused by the problem of the installation position or the area can be compensated through the transverse and longitudinal adjustment of the initial position of the round observation point, so that the round observation points of each group can be guaranteed to be adjusted to the relatively proper initial position convenient to observe.
(5) The matrix laser emitting mechanism and the light spot receiving mechanism are arranged on the measuring datum point which is not easy to generate sedimentation, so that the matrix laser head emits matrix light spots at the position in a pulse intermittent emitting mode, and the light spots can be received by the receiving light curtain after being transmitted in the air, so that the longitudinal displacement (small-amplitude transverse displacement can be fed back) of the round observation point caused by bridge sedimentation can be reflected.
(6) If a spot is partly blocked, it may happen that the individual spot is smaller or the spot is darkened, at which point it should be recognized that the spot has been partly blocked, the spot should be discarded, and if the spot darkens due to weather problems, a large spot darkens at the same time, which can be easily distinguished.
Drawings
FIG. 1 is a perspective view of a settlement measurement device for bridge design according to the present invention;
FIG. 2 is a front view of a settlement measurement apparatus for bridge design according to the present invention;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along section line B-B in FIG. 2;
FIG. 5 is a schematic view of a settlement observation adjusting mechanism of a settlement measurement device for bridge design according to the present invention;
fig. 6 is a schematic structural diagram of an observation point installation mechanism of a settlement measurement device for bridge design according to the present invention;
FIG. 7 is an enlarged view of a portion of the portion I of FIG. 3;
FIG. 8 is an enlarged view of a portion of the portion II of FIG. 4;
FIG. 9 is an enlarged view of a portion of III in FIG. 3;
FIG. 10 is an enlarged view of a portion of the portion IV of FIG. 6;
FIG. 11 is a schematic diagram of the propagation path of light;
FIG. 12 is a schematic diagram of a visual feedback result according to the present invention;
FIG. 13 is a schematic diagram of the processing steps of an image received by the present invention.
The device comprises a settlement observation adjusting mechanism, a settlement observation point installing mechanism, a matrix type laser emitting mechanism, a light spot receiving mechanism, a double-fork longitudinal adjusting component, a double-shaft locking fixing component, a top baffle plate, a longitudinal sliding bar, a round observation point, a tail clamping table, a fastening nut, a slope surface, a baffle plate, a trapezoid groove, a 15, a screw rod, a 16, a square groove, a 17, a clamping table round hole, a 18, a fork component, a 19, a stud locking component, a 20, an observation frame, a 21, an observation mounting plate, a 22, a transverse fork, a 23, a locking stud, a 24, a locking nut, a 25, a guide boss, a 26, a grid hole, a 27, a hollow part, a 28, an end round hole, a 29, an emission mounting plate, a 30, a pulse laser emitter, a 31, a matrix type laser head, a 32, a receiving mounting plate, a 33, a hollow receiver, a 34 and a light receiving curtain.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
As shown in fig. 1-10, the invention provides a settlement measurement device for bridge design, which comprises a settlement observation adjustment mechanism 1, an observation point installation mechanism 2, a matrix type laser emission mechanism 3 and a light spot receiving mechanism 4, wherein the settlement observation adjustment mechanism 1 is arranged on the observation point installation mechanism 2, the observation point installation mechanism 2 is provided with a plurality of groups in array, the matrix type laser emission mechanism 3 and the light spot receiving mechanism 4 are respectively arranged at two ends of the observation point installation mechanism 2, and the observation point installation mechanism 2, the matrix type laser emission mechanism 3 and the light spot receiving mechanism 4 are all arranged on a straight line.
The matrix laser emission mechanism 3 includes emission mounting panel 29 and pulsed laser emitter 30, and the emission mounting panel 29 passes through the bolt to be installed on the bridge, and pulsed laser emitter 30 locates on the emission mounting panel 29, and pulsed laser emitter 30's one side array towards observation frame 20 is equipped with matrix laser head 31.
The light spot receiving mechanism 4 comprises a receiving mounting plate 32 and a receiver 33, wherein the receiving mounting plate 32 is mounted on a bridge through bolts, the receiver 33 is arranged on the receiving mounting plate 32, a receiving light curtain 34 is arranged on one side of the receiver 33 facing the observation frame 20, and the matrix laser head 31 and the receiving light curtain 34 are arranged in parallel.
Since the matrix laser emitting means 3 and the spot receiving means 4 are mounted on the measurement reference point where sedimentation is unlikely to occur, the matrix laser head 31 emits the matrix light spots at the position where the pulses are intermittently emitted, and the light spots can be received by the receiving light curtain 34 after being propagated in the air, so that the longitudinal displacement (small-amplitude lateral displacement can be fed back) of the circular observation point 9 due to bridge sedimentation can be reflected.
The observation frames 20 are arranged in parallel with the matrix laser head 31 and the receiving light curtain 34.
If a spot is partly blocked, it may happen that the individual spot is smaller or the spot is darkened, at which point it should be recognized that the spot has been partly blocked, the spot should be discarded, and if the spot darkens due to weather problems, a large spot darkens at the same time, which can be easily distinguished.
The matrix light points at the emitting position of the pulse laser emitter 30 are irradiated onto the receiver 33 in parallel and received by the receiving light curtain 34, wherein the circular observation points 9 located on the propagation path can block the propagation of light, so that the light point matrix finally received on the receiving light curtain 34 is not complete, the positions of the circular observation points 9 of each group can be fed back through the analysis of the missing light points, the measured positions are compared with the reference positions, and the periodical change of the positions of the circular observation points 9 is analyzed, so that the sedimentation condition of the circular observation points 9 can be obtained.
The settlement observation adjusting mechanism 1 comprises a double-fork longitudinal adjusting component 5 and a double-shaft locking fixing component 6, wherein the double-shaft locking fixing component 6 is slidably arranged on the double-fork longitudinal adjusting component 5, and the double-fork longitudinal adjusting component 5 is arranged on the observation point mounting mechanism 2.
The double-fork longitudinal adjustment assembly 5 comprises a top baffle 7 and longitudinal sliding strips 8, wherein the longitudinal sliding strips 8 are fixedly connected below the top baffle 7, and two groups of longitudinal sliding strips 8 are provided with mutually symmetrical slope surfaces 12.
The transverse position of the circular observation point 9 can be adjusted by inserting the longitudinal sliding strips 8 into different grid holes 26, and the longitudinal position of the circular observation point 9 can be adjusted by fastening the nuts 11; the lateral position of the circular observation point 9 can also be adjusted by a small extent by sliding the observation frame 20 on the transverse fork 22, and after the adjustment is completed, the laser passes through the gap of the longitudinal slide 8, so that only the baffle plate part 13 has the possibility of blocking the laser in the whole measuring process.
The double-shaft locking fixing assembly 6 comprises a circular observation point 9, a tail clamping table 10 and a fastening nut 11, wherein the circular observation point 9 consists of a baffle plate part 13 and a screw rod part 15, trapezoidal grooves 14 matched with a slope surface 12 are symmetrically arranged on the baffle plate part 13, and the circular observation point 9 can be locked and fixed on a longitudinal sliding strip 8 through the matching of the slope surface 12 and the trapezoidal grooves 14, and meanwhile the longitudinal sliding strip 8 is also fixed on an observation frame 20 through a mode of extruding the longitudinal sliding strip 8, so that the regulation locking structure and the regulation locking step are simplified; the tail clamping table 10 is provided with a square groove 16 matched with the slope surface 12, the middle position of the tail clamping table 10 is provided with a clamping table round hole portion 17, the round observation point 9 is clamped on the longitudinal sliding strip 8 through the trapezoid groove 14, the tail clamping table 10 is clamped on the longitudinal sliding strip 8 through the square groove 16, and the fastening nut 11 is in threaded connection with the screw portion 15.
The observation point mounting mechanism 2 comprises a fork frame assembly 18, a stud locking assembly 19 and an observation frame 20, wherein the fork frame assembly 18 comprises an observation mounting plate 21 and a transverse fork 22, the transverse fork 22 is mounted on a bridge through bolts, the transverse fork 22 is arranged on the observation mounting plate 21, and the upper end array and the lower end array of the transverse fork 22 are sequentially provided with a through hollowed-out part 27 and an end round hole 28.
The stud locking assembly 19 comprises a locking stud 23 and a locking nut 24, the locking nut 24 is in threaded connection with the locking stud 23, the stud locking assembly 19 is provided with two groups, the two groups of stud locking assemblies 19 are respectively arranged in the hollowed-out part 27 and the end round hole 28, and the observation frame 20 is positioned between the two groups of stud locking assemblies 19.
The transverse position of the circular observation points 9 can be accurately adjusted through the transverse shifting fork 22 capable of transversely shifting, so that the longitudinal sliding strips 8 are guaranteed not to shade light spots, and meanwhile, the installation errors caused by the problems of the installation positions or the areas can be compensated through transverse and longitudinal adjustment of the initial positions of the circular observation points 9, so that the groups of circular observation points 9 can be guaranteed to be adjusted to the relatively proper initial positions convenient to observe.
Guide bosses 25 are symmetrically arranged at the upper end and the lower end of the observation frame 20, the observation frame 20 is arranged in the hollowed-out part 27 in a clamping and sliding manner through the guide bosses 25, grid holes 26 are arranged on the guide bosses 25 in an array manner, and the longitudinal sliding strips 8 are arranged in the grid holes 26 in a clamping manner.
As shown in fig. 11, the left and right boxes indicate the emitter and the receiver 33 of the laser light, respectively, the middle box indicates the circular observation point 9, the horizontal line indicates the light, the arrow indicates the direction in which the light propagates, the light blocked by the circular observation point 9 is not received by the receiving light curtain 34, and the light not blocked by the circular observation point 9 is received by the receiving light curtain 34.
As shown in fig. 12, the square represents the receiving area of the receiving light curtain 34, the small circle represents the light spot received by the receiving light curtain 34, the large circle represents the position of the recognized circular observation point 9, and the oblique dotted line represents the standard distribution line of the circular observation point 9; A-A represents a measurement result under the standard condition, b-a represents a measurement result after irregular settlement of the bridge occurs, at this time, the position of the circular observation point 9 is shifted relative to the standard distribution line, a-b represents a visual feedback result under the standard condition, and b-b represents a visual feedback result after irregular settlement of the bridge occurs.
As shown in fig. 13, the steps of the software process include:
s1: the picture is subjected to black and white treatment, including that the light spot is replaced by a white point, then corresponding gray scale is assigned to the white point according to the brightness of the light spot, the higher the brightness of the light spot is, the higher the transparency of the light spot and the background is, and the light spot with the volume being obviously smaller than the surrounding or the brightness being obviously lower than the surrounding is deleted;
s2: positioning the position of the observation point: through a circulation program, using a circle with the diameter equal to that of the round observation point 9, enabling the coordinate position of the central point to carry out snakelike traversal on all light spot coordinates, enabling the circulation times to be not less than the number of the observation points, and in the circulation process, if the number of light spots in the circle at the position is less than 0, indicating that the position coincides with a baffle plate of the observation point, enabling the current circle to stay at the position, exiting the current circulation, and entering the next circulation;
s3: the result is fed back, the difference value between the current circle coordinate and the reference coordinate is calculated, and the sedimentation or offset amplitude is obtained; wherein the periodic float is normal on site and continuously falls to sedimentation;
s4: and (3) carrying out visualization processing on the result, filling colors into the areas in the circles, taking all the other areas as the ground colors, and then outputting the image result.
In specific use, firstly, a user needs to install the observation mounting plate 21, the emission mounting plate 29 and the receiving mounting plate 32 at proper positions, wherein the emission mounting plate 29 and the receiving mounting plate 32 are installed at positions which are not easy to sink, the positions are used as measurement reference points, and the light rays emitted by the matrix laser head 31 can be completely received by the receiving light curtain 34;
then after the fork frame assembly 18 is installed, the observation frame 20 is placed in the hollowed-out part 27, and the position is adjusted in a sliding manner under the condition that the stud locking assembly 19 is not screwed down; then the longitudinal sliding bar 8 is inserted into a grid hole 26 at a proper position, and is locked by a fastening nut 11 in a rotating way after the longitudinal height of the circular observation point 9 is adjusted, and finally the locking nut 24 is locked, so that the position of the circular observation point 9 is fixed;
after the installation of all the circular observation points 9 is completed, the matrix laser head 31 is started for testing, and if the positions of the circular observation points 9 are required to be adjusted, the operation is performed according to the steps;
in the continuous working process, the pulse laser transmitter 30 transmits a group of light rays at intervals of a period, the light rays are emitted by the matrix laser head 31 and irradiate the receiver 33 to be received by the receiving light curtain 34, and the light rays blocked by the circular observation point 9 cannot be received by the receiving light curtain 34;
after the light curtain 34 receives the light, the image is further transmitted to a processor for analysis, and the specific processing steps are as follows:
s1: the picture is subjected to black and white treatment, including that the light spot is replaced by a white point, then corresponding gray scale is assigned to the white point according to the brightness of the light spot, the higher the brightness of the light spot is, the higher the transparency of the light spot and the background is, and the light spot with the volume being obviously smaller than the surrounding or the brightness being obviously lower than the surrounding is deleted;
s2: positioning the position of the observation point: through a circulation program, using a circle with the diameter equal to that of the round observation point 9, enabling the coordinate position of the central point to carry out snakelike traversal on all light spot coordinates, enabling the circulation times to be not less than the number of the observation points, and in the circulation process, if the number of light spots in the circle at the position is less than 0, indicating that the position coincides with a baffle plate of the observation point, enabling the current circle to stay at the position, exiting the current circulation, and entering the next circulation;
s3: the result is fed back, the difference value between the current circle coordinate and the reference coordinate is calculated, and the sedimentation or offset amplitude is obtained; wherein the periodic float is normal on site and continuously falls to sedimentation;
s4: and (3) carrying out visualization processing on the result, filling colors into the areas in the circles, taking all the other areas as the ground colors, and then outputting the image result.
If the position of the circular observation point 9 is observed to be periodically floated within a certain range, it is considered that the periodic floating is caused by pressure change on the bridge, and if the position of the circular observation point 9 is observed to be continuously lowered, sedimentation is considered to occur at the position, and early warning and warning are required according to the magnitude and the speed of the sedimentation.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (7)
1. A subsidence measuring device for bridge design, its characterized in that: the system comprises a settlement observation adjusting mechanism (1), an observation point mounting mechanism (2), a matrix type laser emission mechanism (3) and a light spot receiving mechanism (4), wherein the settlement observation adjusting mechanism (1) is arranged on the observation point mounting mechanism (2), a plurality of groups of the observation point mounting mechanism (2) are arranged in an array, the matrix type laser emission mechanism (3) and the light spot receiving mechanism (4) are respectively positioned at two ends of the observation point mounting mechanism (2), and the observation point mounting mechanism (2), the matrix type laser emission mechanism (3) and the light spot receiving mechanism (4) are all arranged on a straight line;
the settlement observation adjusting mechanism (1) comprises a double-fork longitudinal adjusting assembly (5) and a double-shaft locking fixing assembly (6), wherein the double-shaft locking fixing assembly (6) is arranged on the double-fork longitudinal adjusting assembly (5) in a sliding mode, and the double-fork longitudinal adjusting assembly (5) is arranged on the observation point mounting mechanism (2);
the double-fork-frame longitudinal adjusting assembly (5) comprises a top baffle (7) and longitudinal sliding strips (8), wherein the longitudinal sliding strips (8) are fixedly connected below the top baffle (7), and two groups of longitudinal sliding strips (8) are provided with mutually symmetrical slope surfaces (12);
the double-shaft locking fixing assembly (6) comprises a circular observation point (9), a tail clamping table (10) and a fastening nut (11), wherein the circular observation point (9) consists of a baffle plate part (13) and a screw rod part (15), trapezoidal grooves (14) matched with a slope surface (12) are symmetrically arranged on the baffle plate part (13), square grooves (16) matched with the slope surface (12) are arranged on the tail clamping table (10), clamping table round hole parts (17) are arranged in the middle of the tail clamping table (10), the circular observation point (9) is clamped on a longitudinal sliding strip (8) through the trapezoidal grooves (14), the tail clamping table (10) is clamped on the longitudinal sliding strip (8) through the square grooves (16), and the fastening nut (11) is in threaded connection with the screw rod part (15);
by moving the position of the longitudinal slide bar (8) relative to the observation point mounting mechanism (2), the lateral position of the circular observation point (9) can be adjusted.
2. The settlement measurement device for bridge design according to claim 1, wherein: the observation point installation mechanism (2) comprises a fork frame assembly (18), a stud locking assembly (19) and an observation frame (20), the fork frame assembly (18) comprises an observation installation plate (21) and a transverse fork frame (22), the transverse fork frame (22) is installed on a bridge through bolts, the transverse fork frame (22) is arranged on the observation installation plate (21), and an upper end array and a lower end array of the transverse fork frame (22) are sequentially provided with a through hollowed-out portion (27) and an end round hole (28).
3. A settlement measurement device for bridge design according to claim 2, wherein: the double-screw bolt locking assembly (19) comprises a locking double-screw bolt (23) and a locking nut (24), the locking nut (24) is in threaded connection with the locking double-screw bolt (23), the double-screw bolt locking assembly (19) is provided with two groups, the two groups of double-screw bolt locking assemblies (19) are respectively arranged in the hollowed-out part (27) and the end round hole (28), and the observation frame (20) is arranged between the two groups of double-screw bolt locking assemblies (19).
4. A settlement measurement device for bridge design according to claim 3, wherein: the upper end and the lower end of the observation frame (20) are symmetrically provided with guide bosses (25), the observation frame (20) is slidably arranged in the hollowed-out part (27) through the guide bosses (25), the guide bosses (25) are provided with grid holes (26) in an array, and the longitudinal sliding strips (8) are arranged in the grid holes (26) in a clamping mode.
5. The settlement measurement device for bridge design according to claim 4, wherein: matrix laser emission mechanism (3) are including transmission mounting panel (29) and pulsed laser emitter (30), transmission mounting panel (29) are installed on the bridge through the bolt, pulsed laser emitter (30) are located on transmission mounting panel (29), one side array of orientation observation frame (20) of pulsed laser emitter (30) is equipped with matrix laser head (31).
6. The settlement measurement device for bridge design according to claim 5, wherein: the light spot receiving mechanism (4) comprises a receiving mounting plate (32) and a receiver (33), wherein the receiving mounting plate (32) is mounted on a bridge through bolts, the receiver (33) is arranged on the receiving mounting plate (32), a receiving light curtain (34) is arranged on one side, facing the observation frame (20), of the receiver (33), and the matrix laser head (31) and the receiving light curtain (34) are arranged in parallel.
7. The settlement measurement device for bridge design according to claim 6, wherein: the observation frames (20) are arranged in parallel with the matrix laser heads (31) and the receiving light curtain (34).
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| CN202311629490.7A CN117330022B (en) | 2023-12-01 | 2023-12-01 | Settlement degree measuring device for bridge design |
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| CN202311629490.7A CN117330022B (en) | 2023-12-01 | 2023-12-01 | Settlement degree measuring device for bridge design |
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