CN117647584A - Bridge crack measuring equipment based on ultrasonic flaw detection - Google Patents
Bridge crack measuring equipment based on ultrasonic flaw detection Download PDFInfo
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- CN117647584A CN117647584A CN202410117534.6A CN202410117534A CN117647584A CN 117647584 A CN117647584 A CN 117647584A CN 202410117534 A CN202410117534 A CN 202410117534A CN 117647584 A CN117647584 A CN 117647584A
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- 238000007664 blowing Methods 0.000 claims description 13
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- 238000004140 cleaning Methods 0.000 claims description 7
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Abstract
The invention discloses bridge crack measuring equipment based on ultrasonic flaw detection. The invention belongs to the technical field of bridge detection, and particularly relates to bridge crack measurement equipment based on ultrasonic flaw detection, which comprises a self-coupling ultrasonic detection cabin, a detection cabin carrier, a longitudinal guide rail and a fixed base, wherein a couplant filling container filled with a couplant is tightly attached to a crack at the bottom surface of a bridge, an elastic detection head is used for carrying out ultrasonic measurement on the crack, the couplant filling container is arranged for loading the couplant, lifting of the couplant is realized at the top opening part of the couplant filling container, the couplant is further filled into the crack after being injected into the couplant filling container through a couplant hole, the couplant is prevented from flowing out of the crack, and the problems that the couplant flows out and the detection step is complicated during ultrasonic measurement on the crack at the bottom surface of the bridge in the bridge detection at present are solved.
Description
Technical Field
The invention belongs to the technical field of bridge detection, and particularly relates to bridge crack measuring equipment based on ultrasonic flaw detection.
Background
The bridge can appear ageing phenomena of different degrees in the use process, so that the bridge deck is cracked, in order to carry out safety evaluation and repair maintenance on the bridge, the length and depth of the cracks on the bridge are required to be measured, the current common measuring method is ultrasonic measurement, ultrasonic detection is carried out after filling the cracks with an ultrasonic couplant, the method is high in accuracy, simple to operate, very suitable for measuring small and medium-sized cracks, certain limitation exists, and when the cracks on the bottom surface of some viaducts are measured, couplant easily flows out from the downward cracks due to gravity, so that ultrasonic measurement cannot be carried out, and therefore, novel equipment for measuring the cracks on the bottom surface of the bridge is required.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which comprises a self-coupling ultrasonic detection cabin, a detection cabin carrier, a longitudinal guide rail and a fixed base, wherein the self-coupling ultrasonic detection cabin is arranged on the detection cabin carrier, the detection cabin carrier is arranged on the longitudinal guide rail in a sliding manner, the longitudinal guide rail is arranged on the fixed base in a rotating manner, a couplant filling container filled with a couplant is tightly attached to a crack on the bottom surface of a bridge, an elastic detection head is used for carrying out ultrasonic measurement on the crack, the couplant filling container is arranged for loading the couplant, the couplant filling container is used for carrying out lifting of the couplant, the couplant is further filled into the crack after being injected into the couplant filling container through a couplant hole, the problem that the couplant flows out of the crack is avoided, the problems of the couplant flowing out and the complicated detection step and the like during ultrasonic measurement of the crack on the bottom surface of the bridge in the bridge detection at present are solved.
The technical scheme adopted by the invention is as follows: the invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which comprises a self-coupling ultrasonic detection cabin, a detection cabin carrier, a longitudinal guide rail and a fixed base, wherein the self-coupling ultrasonic detection cabin is arranged on the detection cabin carrier, the detection cabin carrier is arranged on the longitudinal guide rail in a sliding manner, and the longitudinal guide rail is arranged on the fixed base in a rotating manner; the self-coupling ultrasonic detection cabin comprises a couplant filling container and an elastic detection head, wherein the elastic detection head is arranged in the couplant filling container, a couplant hole is formed in the side face of the couplant filling container, a top opening part is formed in the top of the couplant filling container, the elastic detection head comprises an ultrasonic probe and a compression spring, one end of the compression spring is fixedly connected to the bottom face of the couplant filling container, the other end of the compression spring is connected to the ultrasonic probe, and the total height of the ultrasonic probe and the compression spring is larger than the depth of the couplant filling container; the couplant filling container filled with the couplant is tightly attached to the crack on the bottom surface of the bridge, the elastic detection head carries out ultrasonic measurement on the crack, the couplant filling container is arranged to be used for loading the couplant, lifting of the couplant is achieved by the couplant filling container, the crack is further filled after the couplant is injected into the couplant filling container through the couplant hole, the couplant is prevented from flowing out of the crack, and therefore ultrasonic measurement on the crack is facilitated; the detection cabin carrier is arranged to slide on the longitudinal guide rail with the self-coupling ultrasonic detection cabin, so that the longer crack can be conveniently measured; the total height of ultrasonic transducer and compression spring is greater than the depth of couplant filling container for ultrasonic transducer stretches out to the outside of couplant filling container through the roof opening, and ultrasonic transducer contacts with the bridge floor when the bridge floor is pressed close to the roof opening, and compression spring is compressed, and when roof opening and bridge floor subsides, the elasticity that compression spring produced supports ultrasonic transducer tightly on the bridge floor, ensures measurement effect.
Further, the side surface of the couplant filling container is also provided with a detecting head data line hole and a fastening rib, and the top opening part is provided with a pressing sealing strip which surrounds a circle; the measuring result measured by the ultrasonic probe can be transmitted to a computer terminal of a user for analysis through the detecting head data line Kong Hui by using the data line, so that the ultrasonic probe is prevented from damaging the integrity of the couplant filling container by data transmission, and the surrounding pressing sealing strip is arranged on the top opening part, thereby ensuring the sealing effect between the top opening part and the bridge deck and reducing the spilling waste of the couplant.
Further, the detection cabin carrier comprises a carrier bottom plate, a detection cabin lifting frame, a traveling wheel set and a traveling motor, wherein the detection cabin lifting frame is fixedly connected to the upper surface of the carrier bottom plate, the traveling wheel set and the traveling motor are fixedly connected to the lower surface of the carrier bottom plate, the detection cabin lifting frame is provided with a fixing bolt set, the detection cabin lifting frame is bolted to a fastening rib of a couplant filling container through the fixing bolt set, and an output shaft of the traveling motor is rotationally connected with the traveling wheel set; the self-coupling ultrasonic detection cabin is bolted on the detection cabin lifting frame, the self-coupling ultrasonic detection cabin is driven to move through the detection cabin carrier, the traveling motor is used for providing power for the traveling wheel set, the self-coupling ultrasonic detection cabin is more convenient to move, the self-coupling ultrasonic detection cabin is fixed through the fixing bolt set, the fastening effect is firmer, the self-coupling ultrasonic detection cabin is prevented from loosening from the detection cabin lifting frame in the use process, and the overall safety and stability of the device are improved.
Further, the wheelset of marcing includes pivot connecting plate, bears wheel and spacing wheel, the pivot connecting plate rigid coupling is on the carrier bottom plate, bear wheel and spacing wheel rotation locate on the pivot connecting plate, bear the wheel and be located the spacing wheel directly over, the output shaft of walking motor is on bearing the wheel.
Further, the detection cabin carrier further comprises a bridge surface cleaning mechanism, wherein the bridge surface cleaning mechanism comprises a blowing air tap, an air tap support, a high-pressure air pump and an air channel connecting pipe, the blowing air tap is rotationally arranged on the air tap support, the air tap support is fixedly connected to the upper surface of a carrier bottom plate, the high-pressure air pump is fixedly connected to the lower surface of the carrier bottom plate, and two ends of the air channel connecting pipe are respectively connected to the high-pressure air pump and the blowing air tap; because the crack opening on the bridge bottom surface is down, unusual great solid impurity in consequently the crack sweeps the air cock to the crack through high-pressure air pump and sweeps the air cock and to clear up the floating dust wherein, avoids the dust to cause the impression to ultrasonic measurement, improves measurement accuracy, installs the high-pressure air pump in the below of carrier bottom plate simultaneously, avoids the dust that blows out in the crack to be caused the high-pressure air pump damage by inhaling in the high-pressure air pump in a large number.
Further, the longitudinal guide rail comprises a horizontal rail, a lifting cylinder and a rail bottom plate, wherein the lifting cylinder is fixedly connected to the rail bottom plate, the horizontal rail is fixedly connected to a piston rod of the lifting cylinder, the piston rod of the lifting cylinder stretches to control lifting of the horizontal rail, the horizontal rail is positioned between a bearing wheel and a limiting wheel, the bearing wheel is in contact with the upper surface of the horizontal rail, and the limiting wheel is in contact with the lower surface of the horizontal rail; the height of the horizontal rail is adjusted by controlling the expansion and contraction of the lifting cylinder, so that the distance between the top opening part and the bridge deck is controlled, and the piston rod of the lifting cylinder extends out to lift the horizontal rail and the detection cabin carrier and the self-coupling ultrasonic detection cabin on the horizontal rail, so that the pressing sealing strip is tightly attached to the bottom surface of the bridge; the running motor is started, the running motor drives the bearing wheel to rotate, so that the detection cabin carrier runs on the horizontal rail, the bearing wheel and the limiting wheel clamp the running wheel set on the horizontal rail, and the running wheel set is prevented from falling off from the horizontal rail.
Further, the longitudinal guide rail further comprises a couplant supply mechanism, the couplant supply mechanism comprises a couplant storage container, a couplant pump and a supply hose, the couplant storage container and the couplant pump are fixedly connected to the rail base plate, the couplant pump is communicated with the inside of the couplant storage container, two ends of the supply hose are respectively connected to the couplant pump and the couplant hole, a feed opening is formed in the top of the couplant storage container, and a liquid level meter is arranged on the side face of the couplant pump; the couplant storage container is arranged to store the couplant, the couplant is filled into the couplant storage container through the feeding opening on the couplant storage container, and meanwhile, the couplant allowance in the couplant storage container is observed through the liquid level meter, so that the control of filling the couplant is facilitated, and waste is avoided; the couplant is pumped into the couplant filling container through the couplant pump, the pressure provided by the couplant pump presses the couplant into the crack, the crack is ensured to be completely filled with the couplant, and the influence of the cavity on the ultrasonic measurement result is avoided.
Further, a circumferential slideway is arranged on the upper surface of the fixed base, an arc plate is arranged on the lower surface of the track bottom plate, the arc plate is arranged in the circumferential slideway, the radius of the arc plate is equal to that of the circumferential slideway, the arc plate coincides with the central axis of the circumferential slideway, and a ball is arranged on the bottom surface of the arc plate; the track bottom plate rotates and sets up on unable adjustment base to be convenient for adjust the orbital directional of level, make level track and crack parallel, detect the cabin body carrier and drive from the ultrasonic detection cabin of coupling and remove in order to measure longer crack on indulging the direction track, the arc slides in the circumference slide when track bottom plate rotates for unable adjustment base, cooperates between arc and the circumference slide to be spacing to ensure that the track bottom plate is rotatory along fixed pivot, is equipped with the ball on the bottom surface of arc in order to reduce the frictional force between arc and the circumference slide.
Further, a vertical worm wheel is further arranged on the lower surface of the track bottom plate, the vertical worm wheel is coaxial with the arc-shaped plate, a center through hole is formed in the circle center position of the circumferential slideway, the vertical worm wheel is rotationally arranged in the center through hole, a horizontal worm and a rotating motor are further arranged on the fixed base, the horizontal worm is rotationally connected with the rotating motor, and the horizontal worm is meshed with the vertical worm wheel; when the longitudinal guide rail is required to be rotated, the rotary motor is started to drive the horizontal worm to rotate, the horizontal worm drives the vertical worm wheel meshed with the horizontal worm to rotate, the vertical worm wheel drives the rail bottom plate to rotate, and meanwhile, the horizontal rail synchronously rotates along with the rail bottom plate until the horizontal rail rotates to a position parallel to a crack to be detected, the rail bottom plate is driven through the vertical worm wheel and the horizontal worm, the transmission is stable, the noise is small, the transmission torque is large, and the structure is simple and stable.
Further, a traction ring and a base pulley are also arranged on the side surface of the fixed base; the traction ring and the base pulley are arranged, the fixed base is towed through the traction ring, the base pulley reduces moving resistance, the engineering carrier is convenient to assemble and disassemble, and the fixed base is installed on the engineering carrier and can be used for various working environments.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a couplant filling container is arranged for loading a couplant, the lifting of the couplant is realized at the top opening part of the couplant filling container, and the couplant is further filled into a crack after being injected into the couplant filling container through a couplant hole, so that the couplant is prevented from flowing out of the crack, and ultrasonic measurement of the crack is facilitated;
(2) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, an ultrasonic probe protrudes out of a couplant filling container through a top opening, when the top opening is close to a bridge deck, the ultrasonic probe is in contact with the bridge deck, a compression spring is compressed, and when the top opening is close to the bridge deck, the elastic force generated by the compression spring enables the ultrasonic probe to be abutted against the bridge deck, so that the measuring effect is ensured;
(3) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a surrounding pressing sealing strip is arranged on a top opening part, so that the sealing effect between the top opening part and a bridge deck is ensured, and the spilling waste of a coupling agent is reduced;
(4) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a self-coupling ultrasonic detection cabin is bolted on a detection cabin lifting frame, a detection cabin carrier drives the self-coupling ultrasonic detection cabin to move, and a traveling motor is used for providing power for a traveling wheel set so as to facilitate the movement of the self-coupling ultrasonic detection cabin;
(5) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a high-pressure air pump and a blowing nozzle are used for blowing a crack to clean floating dust in the crack, so that the impression of dust on ultrasonic measurement is avoided, the measuring precision is improved, and meanwhile, the high-pressure air pump is arranged below a carrier bottom plate, and the damage of the high-pressure air pump caused by a large amount of dust blown out of the crack is avoided;
(6) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a couplant is filled into a couplant storage container through a feeding opening on the couplant storage container, and meanwhile, the couplant allowance in the couplant storage container is observed through a liquid level meter, so that the control of filling the couplant is facilitated, and waste is avoided;
(7) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, wherein a couplant is pumped into a couplant filling container through a couplant pump, and the pressure provided by the couplant pump presses the couplant into a crack, so that the crack is ensured to be completely filled by the couplant, and the influence of a cavity on an ultrasonic measuring result is avoided;
(8) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, wherein a track bottom plate is rotatably arranged on a fixed base, so that the orientation of a horizontal track is convenient to adjust, the horizontal track is parallel to a crack, the track bottom plate is ensured to rotate along a fixed rotating shaft by matching with limit between an arc-shaped plate and a circumferential slideway, and a ball is arranged on the bottom surface of the arc-shaped plate so as to reduce the friction force between the arc-shaped plate and the circumferential slideway;
(9) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which drives a track bottom plate through a vertical worm wheel and a horizontal worm, and has the advantages of stable transmission, low noise, large transmission torque and simple and stable structure;
(10) The invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which is characterized in that a fixed base is towed by a traction ring, a base pulley reduces moving resistance and is convenient to assemble and disassemble on an engineering carrier, and the fixed base is installed on the engineering carrier to be used in various working environments.
Drawings
FIG. 1 is a perspective view of a bridge crack measuring device based on ultrasonic flaw detection;
FIG. 2 is a front view of a bridge crack measuring device based on ultrasonic flaw detection according to the present invention;
FIG. 3 is a left side view of the ultrasonic flaw detection-based bridge crack measuring device according to the present invention;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
FIG. 5 is an exploded view of a bridge crack measuring device based on ultrasonic flaw detection according to the present invention;
FIG. 6 is a perspective view of a self-coupling ultrasonic detection cabin of the bridge crack measuring device based on ultrasonic flaw detection;
fig. 7 is a top perspective view of a detection cabin carrier of the bridge crack measuring device based on ultrasonic flaw detection;
fig. 8 is a bottom perspective view of a detection cabin carrier of the bridge crack measuring device based on ultrasonic flaw detection;
fig. 9 is a front view of a longitudinally guiding rail of the bridge crack measuring device based on ultrasonic flaw detection;
fig. 10 is a perspective view of a longitudinally guiding rail of the bridge crack measuring device based on ultrasonic flaw detection;
fig. 11 is a perspective view of a fixing base of the bridge crack measuring device based on ultrasonic flaw detection.
The device comprises a self-coupling ultrasonic detection cabin, a detection cabin carrier, 300, a longitudinal guide rail, 400, a fixed base, 101, a couplant filling container, 102, an elastic detection head, 103, a top opening part, 104, a couplant hole, 105, a detection head data line hole, 106, an ultrasonic probe, 107, a compression spring, 108, a pressing sealing strip, 109, a fastening rib, 201, a carrier bottom plate, 202, a detection cabin lifting frame, 203, a traveling wheel group, 204, a traveling motor, 205, a rotating shaft connecting plate, 206, a bearing wheel, 207, a limiting wheel, 208, a bridge surface cleaning mechanism, 209, a blowing air nozzle, 210, an air nozzle support, 211, a high-pressure air pump, 212, an air path connecting pipe, 213, a fixed bolt group, 301, a horizontal rail, 302, a lifting cylinder, 303, a rail bottom plate, 304, a vertical worm gear, 305, an arc plate, 306, a ball, 307, a couplant supply mechanism, 308, a couplant storage container, 309, a couplant pump, 310, a supply hose, 311, a feed opening, 312, a liquid level meter, 401, a circumference motor, 402, a horizontal worm, a rotating shaft, a rotating support, 404, a center pulleys, a 404, a traction ring, a traction through hole, and a traction pulley.
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. 1-11, the invention provides a bridge crack measurement device based on ultrasonic flaw detection, which comprises a self-coupling ultrasonic detection cabin 100, a detection cabin carrier 200, a longitudinal guide rail 300 and a fixed base 400, wherein the self-coupling ultrasonic detection cabin 100 is arranged on the detection cabin carrier 200, the detection cabin carrier 200 is slidingly arranged on the longitudinal guide rail 300, the longitudinal guide rail 300 is rotationally arranged on the fixed base 400, a couplant filling container 101 filled with a couplant is tightly attached to a crack on the bottom surface of a bridge, an elastic detection head 102 performs ultrasonic measurement on the crack, the couplant filling container 101 is arranged to load the couplant, lifting of the couplant is realized at the top opening part of the couplant filling container 101, the couplant is further filled in the crack after the couplant is injected into the couplant filling container 101 through a couplant hole 104, the problem that the couplant flows out from the crack is solved, and the problems of the couplant flowing out and the complicated detection steps during ultrasonic measurement of the bottom surface crack of the bridge in the bridge detection at present are solved.
The technical scheme adopted by the invention is as follows: the invention provides bridge crack measuring equipment based on ultrasonic flaw detection, which comprises a self-coupling ultrasonic detection cabin 100, a detection cabin carrier 200, a longitudinal guide rail 300 and a fixed base 400, wherein the self-coupling ultrasonic detection cabin 100 is arranged on the detection cabin carrier 200, the detection cabin carrier 200 is arranged on the longitudinal guide rail 300 in a sliding manner, and the longitudinal guide rail 300 is arranged on the fixed base 400 in a rotating manner; the self-coupling type ultrasonic detection cabin 100 comprises a couplant filling container 101 and an elastic detection head 102, wherein the elastic detection head 102 is arranged in the couplant filling container 101, a couplant hole 104 is formed in the side face of the couplant filling container 101, a top opening 103 is formed in the top of the couplant filling container 101, the elastic detection head 102 comprises an ultrasonic probe 106 and a compression spring 107, one end of the compression spring 107 is fixedly connected to the bottom face of the couplant filling container 101, the other end of the compression spring is connected to the ultrasonic probe 106, the total height of the ultrasonic probe 106 and the compression spring 107 is larger than the depth of the couplant filling container 101, and the ultrasonic probe 106 is located above the top opening 103; the couplant filling container 101 filled with the couplant is tightly attached to the crack on the bottom surface of the bridge, the elastic detection head 102 performs ultrasonic measurement on the crack, the couplant filling container 101 is arranged to be used for loading the couplant, the couplant filling container 101 realizes lifting of the couplant, and the couplant is further filled into the crack after being injected into the couplant filling container 101 through the couplant hole 104, so that ultrasonic measurement on the crack is facilitated; the detection cabin carrier 200 is arranged to slide on the longitudinal guide rail 300 with the self-coupling ultrasonic detection cabin 100; the total height of the ultrasonic probe 106 and the compression spring 107 is greater than the depth of the couplant filling container 101, so that the ultrasonic probe 106 protrudes out of the couplant filling container 101 through the top opening 103, the ultrasonic probe 106 contacts the bridge deck when the top opening 103 is close to the bridge deck, the compression spring 107 is compressed, and the ultrasonic probe 106 is abutted against the bridge deck by the elastic force generated by the compression spring 107 when the top opening 103 is close to the bridge deck.
The side surface of the couplant filling container 101 is also provided with a probe data line hole 105 and a fastening rib 109, and the top opening 103 is provided with a pressing sealing strip 108 which surrounds a circle; the side of the couplant filling container 101 is provided with a probe data line hole 105, the measurement result measured by the ultrasonic probe 106 can be transmitted back to a computer terminal of a user for analysis by using a data line through the probe data line hole 105, and the top opening 103 is provided with a surrounding pressing sealing strip 108 to ensure the sealing effect between the top opening 103 and the bridge deck.
The detection cabin carrier 200 comprises a carrier bottom plate 201, a detection cabin lifting frame 202, a traveling wheel set 203 and a traveling motor 204, wherein the detection cabin lifting frame 202 is fixedly connected to the upper surface of the carrier bottom plate 201, the traveling wheel set 203 and the traveling motor 204 are fixedly connected to the lower surface of the carrier bottom plate 201, a fixing bolt set 213 is arranged on the detection cabin lifting frame 202, the detection cabin lifting frame 202 is bolted on a fastening rib 109 of the couplant filling container 101 by the fixing bolt set 213, and an output shaft of the traveling motor 204 is rotationally connected with the traveling wheel set 203; the self-coupling type ultrasonic detection cabin 100 is bolted on the detection cabin lifting frame 202, the detection cabin body carrier 200 drives the self-coupling type ultrasonic detection cabin 100 to move, the traveling motor 204 is used for providing power for the traveling wheel set 203, the self-coupling type ultrasonic detection cabin 100 is more convenient to move, the self-coupling type ultrasonic detection cabin 100 is fixed by the fixing bolt set 213, and the self-coupling type ultrasonic detection cabin 100 is prevented from being loosened from the detection cabin lifting frame 202 in the use process.
The travelling wheel set 203 comprises a rotating shaft connecting plate 205, a bearing wheel 206 and a limiting wheel 207, wherein the rotating shaft connecting plate 205 is fixedly connected to the carrier bottom plate 201, the bearing wheel 206 and the limiting wheel 207 are rotatably arranged on the rotating shaft connecting plate 205, the bearing wheel 206 is located right above the limiting wheel 207, and an output shaft of the travelling motor 204 is connected to the bearing wheel 206.
The detection cabin carrier 200 further comprises a bridge surface cleaning mechanism 208, the bridge surface cleaning mechanism 208 comprises a blowing air tap 209, an air tap bracket 210, a high-pressure air pump 211 and an air channel connecting pipe 212, the blowing air tap 209 is rotationally arranged on the air tap bracket 210, the air tap bracket 210 is fixedly connected to the upper surface of the carrier bottom plate 201, the high-pressure air pump 211 is fixedly connected to the lower surface of the carrier bottom plate 201, and two ends of the air channel connecting pipe 212 are respectively connected to the high-pressure air pump 211 and the blowing air tap 209; because the crack opening on the bottom surface of the bridge is downward, the unusual great solid impurity in the crack, through high-pressure air pump 211 and blowing air cock 209 to the crack sweep, can clear up the floating dust therein.
The longitudinal guide rail 300 comprises a horizontal rail 301, a lifting cylinder 302 and a rail bottom plate 303, wherein the lifting cylinder 302 is fixedly connected to the rail bottom plate 303, the horizontal rail 301 is fixedly connected to a piston rod of the lifting cylinder 302, the piston rod of the lifting cylinder 302 stretches and contracts to control lifting of the horizontal rail 301, the horizontal rail 301 is positioned between the bearing wheel 206 and the limiting wheel 207, the bearing wheel 206 is contacted with the upper surface of the horizontal rail 301, and the limiting wheel 207 is contacted with the lower surface of the horizontal rail 301; the height of the horizontal rail 301 is adjusted by controlling the expansion and contraction of the lifting cylinder 302, and then the distance between the top opening 103 and the bridge deck is controlled, and the lifting cylinder 302 extends out of the piston rod to lift the horizontal rail 301 and the detection cabin carrier 200 and the self-coupling ultrasonic detection cabin 100 on the horizontal rail 301; the traveling motor 204 is started, and the traveling motor 204 drives the bearing wheel 206 to rotate so that the detection cabin carrier 200 travels on the horizontal track 301, and the bearing wheel 206 and the limiting wheel 207 clamp the traveling wheel set 203 on the horizontal track 301.
The longitudinal guide rail 300 further comprises a couplant supply mechanism 307, the couplant supply mechanism 307 comprises a couplant storage container 308, a couplant pump 309 and a supply hose 310, the couplant storage container 308 and the couplant pump 309 are fixedly connected to the rail base plate 303, the couplant pump 309 is communicated with the interior of the couplant storage container 308, two ends of the supply hose 310 are respectively connected to the couplant pump 309 and the couplant hole 104, a feed opening 311 is arranged at the top of the couplant storage container 308, and a liquid level meter 312 is arranged on the side surface of the couplant pump 309; the couplant storage container 308 is arranged to store the couplant, the couplant is filled into the couplant storage container 308 through the feeding opening 311 on the couplant storage container 308, meanwhile, the couplant allowance in the couplant storage container 308 is observed through the liquid level meter 312, the couplant is pumped into the couplant filling container 101 through the couplant pump 309, the pressure provided by the couplant pump 309 presses the couplant into the crack, and the crack is ensured to be completely filled with the couplant.
The upper surface of the fixed base 400 is provided with a circumferential slideway 401, the lower surface of the track bottom plate 303 is provided with an arc plate 305, the arc plate 305 is arranged in the circumferential slideway 401, the radius of the arc plate 305 is equal to that of the circumferential slideway 401, the arc plate 305 coincides with the central axis of the circumferential slideway 401, and the bottom surface of the arc plate 305 is provided with a ball 306; the track bottom plate 303 is rotatably arranged on the fixed base 400, so that the orientation of the horizontal track 301 is conveniently adjusted, the horizontal track 301 is parallel to the cracks, the detection cabin carrier 200 drives the self-coupling ultrasonic detection cabin 100 to move on the longitudinal guide track 300 to measure longer cracks, the arc plate 305 slides in the circumferential slideway 401 when the track bottom plate 303 rotates relative to the fixed base 400, and the arc plate 305 and the circumferential slideway 401 are matched with limit to ensure that the track bottom plate 303 rotates along a fixed rotating shaft.
The lower surface of the track bottom plate 303 is also provided with a vertical worm wheel 304, the vertical worm wheel 304 and the arc plate 305 are coaxial, the center of the circumference slideway 401 is provided with a center through hole 404, the vertical worm wheel 304 is rotationally arranged in the center through hole 404, the fixed base 400 is also provided with a horizontal worm 402 and a rotating motor 403, the horizontal worm 402 is rotationally connected with the rotating motor 403, and the horizontal worm 402 is meshed with the vertical worm wheel 304; when the longitudinal guide rail 300 needs to be rotated, the rotating motor 403 is started to drive the horizontal worm 402 to rotate, the horizontal worm 402 drives the vertical worm wheel 304 meshed with the horizontal worm 402 to rotate, the vertical worm wheel 304 drives the rail bottom plate 303 to rotate, and meanwhile the horizontal rail 301 synchronously rotates along with the rail bottom plate 303 until the horizontal rail 301 rotates to a position parallel to a crack to be detected, and the rail bottom plate 303 is driven through the vertical worm wheel 304 and the horizontal worm 402.
A traction ring 405 and a base pulley 406 are also arranged on the side surface of the fixed base 400; a traction ring 405 and a base pulley 406 are provided, and the base 400 is fixed by dragging the traction ring 405, and the base pulley 406 reduces the moving resistance.
When the device is specifically used, firstly, the device is towed to an engineering vehicle through a towing ring 405 and a base pulley 406, then the device is moved to the lower part of a crack on the surface of a bridge through the vehicle, a rotating motor 403 is started to drive a horizontal worm 402 to rotate, the horizontal worm 402 drives a vertical worm wheel 304 meshed with the horizontal worm 402 to rotate, the vertical worm wheel 304 drives a track bottom plate 303 to rotate, an arc-shaped plate 305 slides in a circumferential slideway 401 when the track bottom plate 303 rotates, and meanwhile, a horizontal track 301 synchronously rotates along with the track bottom plate 303 until the horizontal track 301 rotates to a position parallel to the crack to be detected;
then, starting a high-pressure air pump 211, wherein the high-pressure air pump 211 charges high-pressure air into the purging air nozzle 209 through an air passage connecting pipe 212, the purging air nozzle 209 sprays the high-pressure air to cracks to clean dust in the cracks, and then starting a traveling motor 204, wherein the traveling motor 204 drives a bearing wheel 206 to rotate so as to enable the detection cabin carrier 200 to travel on a horizontal track 301;
when the top opening 103 is overlapped with the crack position, the piston rod of the lifting cylinder 302 is controlled to extend out, the horizontal rail 301 and the detection cabin carrier 200 and the self-coupling ultrasonic detection cabin 100 on the horizontal rail 301 are lifted, when the sealing strip 108 is pressed to be tightly attached to the bottom surface of the bridge, the lifting cylinder 302 stops working, at the moment, the self-coupling ultrasonic detection cabin 100 is in place, and the ultrasonic probe 106 is tightly abutted to the crack position on the bottom surface of the bridge by the compression elasticity generated by the compression spring 107;
then, the couplant pump 309 is started to pump the couplant in the couplant storage container 308 into the couplant filling container 101 through the horizontal rail 301 and the couplant hole 104, the couplant enters the crack after filling the couplant filling container 101, at this time, the ultrasonic probe 106 can be started to perform ultrasonic measurement on the crack, if the crack is longer, then, only the travelling motor 204 is required to drive the detection cabin carrier 200 to move along the crack direction and clean and measure the crack.
The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
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 (10)
1. Bridge crack measuring equipment based on ultrasonic flaw detection, its characterized in that: the ultrasonic detection device comprises a self-coupling ultrasonic detection cabin (100), a detection cabin carrier (200), a longitudinal guide rail (300) and a fixed base (400), wherein the self-coupling ultrasonic detection cabin (100) is arranged on the detection cabin carrier (200), the detection cabin carrier (200) is slidably arranged on the longitudinal guide rail (300), and the longitudinal guide rail (300) is rotatably arranged on the fixed base (400);
the self-coupling type ultrasonic detection cabin (100) comprises a couplant filling container (101) and an elastic detection head (102), wherein the elastic detection head (102) is arranged in the couplant filling container (101), a couplant hole (104) is formed in the side face of the couplant filling container (101), a top opening part (103) is formed in the top of the couplant filling container (101), the elastic detection head (102) comprises an ultrasonic probe (106) and a compression spring (107), one end of the compression spring (107) is fixedly connected to the bottom face of the couplant filling container (101), the other end of the compression spring is connected to the ultrasonic probe (106), the total height of the ultrasonic probe (106) and the total height of the compression spring (107) are larger than the depth of the couplant filling container (101), and the ultrasonic probe (106) is located above the top opening part (103).
2. The ultrasonic flaw detection-based bridge crack measurement device according to claim 1, wherein: the side of the couplant filling container (101) is also provided with a probe data line hole (105) and a fastening rib (109), and the top opening part (103) is provided with a pressing sealing strip (108) which surrounds the circumference.
3. The ultrasonic flaw detection-based bridge crack measurement device according to claim 2, wherein: the detection cabin carrier (200) comprises a carrier bottom plate (201), a detection cabin lifting frame (202), a traveling wheel set (203) and a traveling motor (204), wherein the detection cabin lifting frame (202) is fixedly connected to the upper surface of the carrier bottom plate (201), the traveling wheel set (203) and the traveling motor (204) are fixedly connected to the lower surface of the carrier bottom plate (201), a fixing bolt set (213) is arranged on the detection cabin lifting frame (202), the fixing bolt set (213) is used for bolting the detection cabin lifting frame (202) on a fastening rib (109) of a coupling agent filling container (101), and an output shaft of the traveling motor (204) is rotationally connected with the traveling wheel set (203).
4. A bridge crack measuring device based on ultrasonic inspection as claimed in claim 3, wherein: the travelling wheel set (203) comprises a rotating shaft connecting plate (205), a bearing wheel (206) and a limiting wheel (207), wherein the rotating shaft connecting plate (205) is fixedly connected to a carrier bottom plate (201), the bearing wheel (206) and the limiting wheel (207) are rotationally arranged on the rotating shaft connecting plate (205), the bearing wheel (206) is located right above the limiting wheel (207), and an output shaft of the travelling motor (204) is connected to the bearing wheel (206).
5. The ultrasonic flaw detection-based bridge crack measurement device according to claim 4, wherein: the detection cabin carrier (200) further comprises a bridge surface cleaning mechanism (208), the bridge surface cleaning mechanism (208) comprises a blowing nozzle (209), a nozzle support (210), a high-pressure air pump (211) and an air channel connecting pipe (212), the blowing nozzle (209) is rotationally arranged on the nozzle support (210), the nozzle support (210) is fixedly connected to the upper surface of the carrier bottom plate (201), the high-pressure air pump (211) is fixedly connected to the lower surface of the carrier bottom plate (201), and two ends of the air channel connecting pipe (212) are respectively connected to the high-pressure air pump (211) and the blowing nozzle (209).
6. The ultrasonic flaw detection-based bridge crack measurement device according to claim 5, wherein: the vertical guide rail (300) comprises a horizontal rail (301), a lifting cylinder (302) and a rail bottom plate (303), wherein the lifting cylinder (302) is fixedly connected to the rail bottom plate (303), the horizontal rail (301) is fixedly connected to a piston rod of the lifting cylinder (302), the piston rod of the lifting cylinder (302) stretches and contracts to control lifting of the horizontal rail (301), the horizontal rail (301) is located between a bearing wheel (206) and a limiting wheel (207), the bearing wheel (206) is in contact with the upper surface of the horizontal rail (301), and the limiting wheel (207) is in contact with the lower surface of the horizontal rail (301).
7. The ultrasonic flaw detection-based bridge crack measurement device as defined in claim 6, wherein: the longitudinal guide rail (300) further comprises a couplant supply mechanism (307), the couplant supply mechanism (307) comprises a couplant storage container (308), a couplant pump (309) and a supply hose (310), the couplant storage container (308) and the couplant pump (309) are fixedly connected to the rail base plate (303), the couplant pump (309) is communicated to the inside of the couplant storage container (308), two ends of the supply hose (310) are respectively connected to the couplant pump (309) and the couplant hole (104), a feed opening (311) is formed in the top of the couplant storage container (308), and a liquid level meter (312) is arranged on the side face of the couplant pump (309).
8. The ultrasonic flaw detection-based bridge crack measurement device as defined in claim 7, wherein: the upper surface of unable adjustment base (400) is equipped with circumference slide (401), the lower surface of track bottom plate (303) is equipped with arc (305), in circumference slide (401) are located to arc (305), the radius of arc (305) and circumference slide (401) equals, the central axis coincidence of arc (305) and circumference slide (401), be equipped with ball (306) on the bottom surface of arc (305).
9. The ultrasonic flaw detection-based bridge crack measurement device according to claim 8, wherein: the utility model discloses a track bottom plate, including track bottom plate (303) and vertical worm wheel (304), be equipped with vertical worm wheel (304) on the lower surface of track bottom plate (303), vertical worm wheel (304) and arc (305) coaxial, the centre of a circle position of circumference slide (401) is equipped with central through-hole (404), vertical worm wheel (304) rotate and locate in central through-hole (404), still be equipped with horizontal worm (402) and rotation motor (403) on unable adjustment base (400), horizontal worm (402) are connected with rotation motor (403) rotation, horizontal worm (402) and vertical worm wheel (304) meshing.
10. The ultrasonic flaw detection-based bridge crack measurement device according to claim 9, wherein: the side of the fixed base (400) is also provided with a traction ring (405) and a base pulley (406).
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| CN117647584B (en) | 2024-04-12 |
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