CN120275508A - Steel pipe concrete construction quality nondestructive test device based on ultrasonic wave - Google Patents
Steel pipe concrete construction quality nondestructive test device based on ultrasonic wave Download PDFInfo
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- CN120275508A CN120275508A CN202510428142.6A CN202510428142A CN120275508A CN 120275508 A CN120275508 A CN 120275508A CN 202510428142 A CN202510428142 A CN 202510428142A CN 120275508 A CN120275508 A CN 120275508A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0232—Glass, ceramics, concrete or stone
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
本发明涉及建筑施工技术领域，尤其涉及一种基于超声波的钢管混凝土施工质量无损检测装置，包括有固定架、自行走机构、活动组件、换能器、弹力罩和收集器等；固定架上设置有用于带动固定架移动的自行走机构；固定架上设置有活动组件；活动组件上连接有若干个用于发射与接收超声波的换能器；每个换能器的检测面上均设置有一个用于使耦合剂均匀扩散的弹力罩；活动组件上连接有若干个用于清理换能器上粘附的耦合剂的收集器；所有收集器共同组合成圆环状。本发明实现了通过刮块上的铲动部将粘附至钢管混凝土外侧的混凝土块铲除，防止粘附的混凝土块阻挡换能器与钢管混凝土外侧的贴合效果，避免影响后续的检测精度。
The present invention relates to the field of building construction technology, and in particular to a nondestructive testing device for steel tube concrete construction quality based on ultrasound, including a fixed frame, a self-propelled mechanism, a movable component, a transducer, an elastic cover and a collector, etc.; the fixed frame is provided with a self-propelled mechanism for driving the fixed frame to move; the fixed frame is provided with a movable component; the movable component is connected with a plurality of transducers for transmitting and receiving ultrasonic waves; an elastic cover for evenly spreading the coupling agent is provided on the detection surface of each transducer; the movable component is connected with a plurality of collectors for cleaning the coupling agent adhered to the transducer; all collectors are combined into a circular ring shape. The present invention realizes the removal of concrete blocks adhered to the outside of the steel tube concrete by the shoveling part on the scraper block, so as to prevent the adhered concrete blocks from blocking the fitting effect between the transducer and the outside of the steel tube concrete, and avoid affecting the subsequent detection accuracy.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a steel tube concrete construction quality nondestructive testing device based on ultrasonic waves.
Background
In the construction process of concrete filled steel tube, the use of an ultrasonic nondestructive testing device to evaluate the internal quality of the final structure is an important step in ensuring the safety and durability of the building, and the device can effectively detect defects, damages or non-uniformities in the concrete filled steel tube by transmitting and receiving ultrasonic signals without causing any damage to the structure. However, in an actual concrete filled steel tube construction scene, during concrete pouring, concrete and other impurities may be splashed on the outer side of the steel tube, so that the surface of the steel tube becomes uneven, and the existing ultrasonic nondestructive detection device lacks an effective means for cleaning the impurities attached to the outer wall, and when two ultrasonic transducers are attached to the outer side of the concrete filled steel tube after being coated with a coupling agent and are in a 180-degree opposite state, the transducers cannot be accurately attached to the outer wall of the steel tube due to the uneven surface, so that the detection precision is affected.
In addition, the current mode of detecting work through manual handheld ultrasonic transducer also has not enough, after the concrete filled steel tube construction is accomplished, in order to ensure detection accuracy, the technician need draw the calibration line in the monitoring area of concrete filled steel tube manually earlier, and this process is loaded down with trivial details consuming time not only, has increased the work load and the cost of labor of detection operation, and because the influence of human factor, the calibration line of drawing probably has the deviation, further influences the precision of follow-up detection.
Disclosure of Invention
The invention provides a nondestructive testing device for the construction quality of steel pipe concrete based on ultrasonic waves, which aims to overcome the defects that the existing ultrasonic nondestructive testing device cannot clear impurities on the outer side of steel pipe concrete, so that an ultrasonic transducer cannot be accurately attached to the outer wall of the steel pipe, the detection precision of the steel pipe concrete is affected, and meanwhile, manually drawing a calibration line is tedious and time-consuming, and the detection working cost is increased.
The technical scheme is that the nondestructive testing device for the construction quality of the steel pipe concrete based on the ultrasonic waves comprises fixing frames, wherein the fixing frames are detachably connected, the two fixing frames form a circular ring together, a self-walking mechanism, a movable assembly, a transducer, an elastic cover, a collector, a cleaning assembly and a blanking assembly are further included, the fixing frames are provided with the self-walking mechanism used for driving the fixing frames to move, the movable assembly is arranged on the fixing frames, the movable assembly is connected with a plurality of transducers used for transmitting and receiving the ultrasonic waves, the detection surface of each transducer is provided with the elastic cover used for enabling a couplant to uniformly diffuse, the movable assembly is connected with the plurality of collectors used for cleaning the couplant adhered to the transducers, all the collectors are combined into the circular ring together, each collector is provided with the scraping portion, the movable assembly is connected with the cleaning assembly used for cleaning the impurities adhered to the outer side of the steel pipe concrete, and the blanking assembly used for supplementing the couplant is connected to the cleaning assembly.
The self-walking mechanism comprises support rods, electric rollers and first telescopic driving pieces, wherein a plurality of support rods are rotatably connected to each fixing frame, each support rod is rotatably connected with one electric roller for driving the fixing frame to move, each fixing frame is rotatably connected with a plurality of first telescopic driving pieces, and the telescopic end of each first telescopic driving piece is rotatably connected with the corresponding support rod.
The movable assembly comprises arc-shaped sliding rails, electric sliding blocks, fixed blocks, second telescopic driving pieces and third telescopic driving pieces, wherein each fixed frame is fixedly connected with one arc-shaped sliding rail, all arc-shaped sliding rails are combined into a circular ring, each arc-shaped sliding rail is connected with one electric sliding block in a sliding mode, each electric sliding block is fixedly connected with one fixed block, each fixed block is fixedly connected with the second telescopic driving piece, the telescopic end of each second telescopic driving piece is fixedly connected with a transducer, each fixed frame is rotatably connected with the third telescopic driving pieces, and the telescopic end of each third telescopic driving piece is fixedly connected with a corresponding collector.
The cleaning assembly comprises a telescopic driving piece IV and scraping blocks, wherein the telescopic driving piece IV is fixedly connected to each fixing block, the scraping blocks used for cleaning impurities adhered to the outer side of the concrete filled steel tube are fixedly connected to the telescopic ends of the telescopic driving pieces IV, and a plurality of shoveling parts are arranged on each scraping block.
Preferably, the steel pipe concrete cleaning device also comprises metal bristles, wherein each scraping block is provided with a plurality of metal bristles for enhancing the cleaning effect on the steel pipe concrete.
The blanking assembly comprises fixing rings, storage tanks and transmission pipes, wherein each fixing block is fixedly connected with a fixing ring used for protecting the transducer, an annular material conveying cavity is formed in each fixing ring, a plurality of discharging holes are formed in the inner annular surface of each fixing ring, each discharging hole is communicated with the corresponding annular material conveying cavity, the end face of each fixing ring is provided with an arc surface which is attached to the arc surface on the outer side of the collector, each fixing ring is fixedly connected with a storage tank used for storing a coupling agent, the upper side of each storage tank is provided with an air inlet, each air inlet is communicated with an external air pump, a pressing plate is slidably connected inside each storage tank, a feeding hole used for supplementing the coupling agent is formed in each storage tank, a blocking valve is arranged inside each feeding hole, each storage tank is fixedly connected with and communicated with a plurality of transmission pipes, and each transmission pipe is communicated with the corresponding annular material conveying cavity.
Preferably, the two conveying pipes on each storage tank are respectively communicated with the upper side positions of the two quartering points in the horizontal direction of the fixed ring.
Preferably, the scraping portion is made of an elastic material.
The electric sliding block is characterized by further comprising a protective cover, wherein two movable grooves are formed in each fixing frame, the movable grooves in the two fixing frames are communicated with each other, the two movable grooves in each fixing frame are connected with the protective cover for blocking impurity particles in a sliding mode, and the protective cover is fixedly connected with the electric sliding block.
Preferably, the protective cover also comprises balls, each protective cover is rotatably connected with a plurality of balls for reducing friction, and each ball rolls in a corresponding movable groove.
The invention has the beneficial effects that the concrete blocks adhered to the outer side of the steel pipe concrete are shoveled through the shoveling part on the scraping block, so that the adhering effect of the transducer and the outer side of the steel pipe concrete is prevented from being blocked by the adhered concrete blocks, and the subsequent detection precision is prevented from being influenced;
the scraping block drives the metal brush hair to be attached to the outer side of the concrete filled steel tube to rotate, and concrete residues adhered to the outer side of the concrete filled steel tube are polished and cleaned, so that a small amount of residual concrete residues are prevented from affecting the subsequent detection precision;
The elastic cover is used for blocking and limiting the couplant on the transducer detection surface, so that the couplant is uniformly distributed between the transducer detection surface and the outer side of the steel pipe concrete, the propagation of ultrasonic waves between the transducer and the steel pipe concrete is more stable, and the quality of detection signals is improved;
the energy converter is covered by the fixing ring and the collector, so that impurity particles cleaned on the concrete filled steel tube are prevented from adhering to the detection surface of the energy converter, and the detection accuracy of the energy converter is prevented from being influenced.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a second perspective view of the present invention;
FIG. 3 is a schematic perspective view of the combination of the movable assembly, the cleaning assembly, the transducer, the collector, the blanking assembly and the protective cover of the present invention;
FIG. 4 is a schematic perspective view of the assembly of the movable assembly, the cleaning assembly, the transducer, the elastic cover, the collector and the blanking assembly of the present invention;
FIG. 5 is a schematic perspective view of the transducer, spring cover and blanking assembly combination of the present invention;
FIG. 6 is a schematic perspective view of a transducer, spring cover and retaining ring combination of the present invention;
FIG. 7 is a view of a cleaning assembly cleaning operation of the present invention;
Fig. 8 is a diagram of the transducer and spring cover detection operation of the present invention.
The reference numerals indicate that 1-fixing frame, 1001-movable groove, 2-transducer, 3-elastic cover, 4-collector, 4001-scraping part, 101-supporting rod, 102-electric roller, 103-first telescopic driving part, 201-arc sliding rail, 202-electric sliding block, 203-fixed block, 204-second telescopic driving part, 205-third telescopic driving part, 301-fourth telescopic driving part, 302-scraping block, 30201-scraping part, 303-metal brush, 401-fixed ring, 40101-discharge hole, 40102-annular material conveying cavity, 402-material storage tank, 40201-air inlet, 40202-pressing plate, 40203-feed inlet, 403-conveying pipe, 501-protective cover and 502-ball.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The embodiment 1 is as shown in figures 1-8, and the ultrasonic-based steel pipe concrete construction quality nondestructive testing device comprises two fixing frames 1, wherein the two fixing frames 1 are detachably connected, and the two fixing frames 1 jointly form a circular ring;
The automatic feeding device is characterized by further comprising a self-walking mechanism, movable components, energy converters 2, elastic covers 3, collectors 4, cleaning components and blanking components, wherein the self-walking mechanism is arranged on the fixed frame 1, the movable components are connected with the energy converters 2, the elastic cover 3 is arranged on the detection surface of each energy converter 2, the movable components are connected with the collectors 4, all the collectors 4 are combined together to form a circular ring, each collector 4 is provided with a scraping portion 4001, the movable components are connected with the cleaning components, and the blanking components are connected with the cleaning components.
The self-walking mechanism comprises support rods 101, electric rollers 102 and first telescopic driving pieces 103, wherein two support rods 101 which are distributed vertically are rotatably connected to each fixing frame 1, one electric roller 102 is rotatably connected to each support rod 101, two first telescopic driving pieces 103 which are distributed vertically are rotatably connected to each fixing frame 1, the first telescopic driving pieces 103 are electric push rods, and telescopic ends of the first telescopic driving pieces 103 are rotatably connected with the corresponding support rods 101.
The movable assembly comprises arc slide rails 201, electric slide blocks 202, fixed blocks 203, second telescopic driving pieces 204 and third telescopic driving pieces 205, wherein each fixing frame 1 is fixedly connected with one arc slide rail 201, all arc slide rails 201 are combined into a circular ring, each arc slide rail 201 is connected with one electric slide block 202 in a sliding mode, each electric slide block 202 is fixedly connected with one fixed block 203, each fixed block 203 is fixedly connected with a second telescopic driving piece 204, each second telescopic driving piece 204 is an electric push rod, the telescopic end of each second telescopic driving piece 204 is fixedly connected with a transducer 2, each fixing frame 1 is rotatably connected with two symmetrically-arranged third telescopic driving pieces 205, each third telescopic driving piece 205 is an electric push rod, and the telescopic end of each third telescopic driving piece 205 is fixedly connected with a corresponding collector 4.
The cleaning assembly comprises four telescopic driving pieces 301 and scraping blocks 302, wherein each fixing block 203 is fixedly connected with one telescopic driving piece 301, each telescopic driving piece 301 is an electric push rod, each telescopic end of each telescopic driving piece 301 is fixedly connected with one scraping block 302, and each scraping block 302 is provided with two symmetrically arranged shoveling parts 30201.
Also comprises metal brush hair 303, and each scraping block 302 is provided with a plurality of metal brush hair 303.
The blanking assembly comprises fixing rings 401, storage tanks 402 and transmission pipes 403, wherein one fixing ring 401 is fixedly connected to each fixing block 203, an annular material conveying cavity 40102 is formed in each fixing ring 401, a plurality of material outlet holes 40101 are formed in the inner annular surface of each fixing ring 401, each material outlet hole 40101 is communicated with the corresponding annular material conveying cavity 40102, an arc surface which is attached to the arc surface on the outer side of the collector 4 is arranged on the end face of each fixing ring 401, one storage tank 402 is fixedly connected to each fixing ring 401, an air inlet 40201 is formed in the upper side of each storage tank 402, each air inlet 40201 is communicated with an external air pump, a pressing plate 40202 is connected to the inside of each storage tank 402 in a sliding mode, a material inlet 40203 is formed in each storage tank 402, a blocking valve is arranged in each material inlet 40203, two transmission pipes 403 are fixedly connected to each storage tank 402 and communicated with the corresponding annular material conveying cavity 40102.
Two transmission pipes 403 on each storage tank 402 are respectively communicated with the upper side positions of two quartering points in the horizontal direction of the fixed ring 401, so that the couplant in the horizontal direction in the fixed ring 401 is more than the couplant in other positions in the fixed ring 401 during discharging, the subsequent full filling of the couplant in the gap between the detection surface of the transducer 2 and the arc surface outside the steel pipe is facilitated, and the coupling effect between the detection surface of the transducer 2 and the outer side of the steel pipe is enhanced.
The scraping portion 4001 is made of elastic materials, so that the scraping portion 4001 is fully attached to the transducer 2, the scraping effect of the scraping portion 4001 on the couplant on the transducer 2 is enhanced, meanwhile, friction between the scraping portion 4001 and a detection surface of the transducer 2 is reduced, and the protection effect on the transducer 2 is enhanced.
When the ultrasonic nondestructive inspection is carried out on the steel tube concrete, the two fixing frames 1 are combined and sleeved on the outer side of the columnar steel tube concrete, the two arc sliding rails 201 are butted into a circular ring shape, then the telescopic ends of the first 103 telescopic driving parts positioned on the upper side are controlled to shrink, the two supporting rods 101 positioned on the upper side are driven to rotate towards the centers of the two fixing frames 1, the supporting rods 101 are driven to drive the electric idler wheels 102 to be attached to and extruded to the outer side of the steel tube concrete, the fixing frames 1 are fixed to the outer side of the steel tube concrete through the friction force between the electric idler wheels 102 and the outer side of the steel tube concrete, meanwhile, the telescopic ends of the first 103 telescopic driving parts positioned on the lower side are controlled to shrink, the two supporting rods 101 positioned on the lower side are driven to rotate towards the centers of the two fixing frames 1, the supporting rods 101 are driven to drive the electric idler wheels 102 to be attached to and extruded to the outer side of the steel tube concrete, the lower side of the fixing frames 1 are stably supported, preventing the fixed frame 1 from tilting and shifting outside the steel pipe concrete, after the fixed frame 1 is fixed, controlling the fourth 301 driving the scraping block 302 to move towards the steel pipe concrete, enabling the metal brush hair 303 and the scraping part 30201 on the scraping block 302 to contact with the steel pipe concrete outside, then controlling the fourth 301 driving the fixing block 203 and the fourth 301 driving the scraping part 30201 on the scraping block 302 to rotate along the steel pipe concrete outside, scraping the concrete block adhered to the steel pipe concrete outside through the scraping part 30201 on the scraping block 302, preventing the adhering concrete block from blocking the adhering effect of the transducer 2 and the steel pipe concrete outside, avoiding affecting the subsequent detection precision, and considering that a small amount of residues are easy to remain after the concrete block is scraped due to the tight adhesion, therefore, after the scraping block 302 drives the scraping part 30201 to scoop the concrete block, the scraping block 302 drives the metal brush hair 303 to be attached to the outer side of the concrete filled steel tube to rotate, and concrete residues adhered to the outer side of the concrete filled steel tube are polished and cleaned, so that a small amount of residual concrete residues are prevented from affecting the subsequent detection precision.
When the scraping block 302 drives the shoveling part 30201 and the metal brush hair 303 to clean the outer side of the steel tube concrete, the electric roller 102 which is tightly attached to the outer side of the steel tube concrete is controlled to rotate, so that the electric roller 102 drives the supporting rod 101 and the fixing frame 1 to gradually rise, further the scraping block 302 rises along with the fixing frame 1 to comprehensively clean a region to be detected on the outer side of the steel tube concrete, in the cleaning process, the second telescopic driving piece 204 is controlled to drive the transducer 2 to move into the fixing ring 401, the third telescopic driving piece 205 is controlled to drive the collector 4 to descend to be attached to the fixing ring 401 Ji Gao, the outer side of the collector 4 is attached to an arc surface of the fixing ring 401 towards one side of the steel tube concrete, the transducer 2 is covered by the fixing ring 401 and the collector 4, and impurity particles cleaned on the steel tube concrete are prevented from adhering to a detection surface of the transducer 2, and the detection accuracy of the transducer 2 is prevented from being influenced.
When the to-be-detected area outside the steel pipe concrete is cleaned, two electric sliding blocks 202 are controlled to respectively drive a fixing block 203 to be in a one-hundred-eighty degree opposite state on a corresponding arc sliding rail 201, so that two transducers 2 are separated by the steel pipe concrete to be in a one-hundred-eighty degree opposite state, then an external air pump is controlled to inject air from an air inlet 40201 to the upper part of the inner side of a storage tank 402, a pressure plate 40202 is extruded downwards in the storage tank 402 by air pressure, a coupling agent in the storage tank 402 is extruded and conveyed into an annular material conveying cavity 40102 by a conveying pipe 403, the coupling agent is extruded from a discharge hole 40101, a telescopic driving piece three 205 is controlled to drive a collector 4 to be lifted, the collector 4 is relieved to cover the transducers 2, then the telescopic ends of the telescopic driving pieces two 204 are controlled to extend out, the transducers 2 are driven to move towards the steel pipe concrete through a fixing ring 401, the transducers 2 drive an elastic cover 3 to move towards the steel pipe concrete, the elastic cover 3 is driven to be attached to the inner ring surface of the fixing ring 401 together when the transducers 2 pass through the fixing ring 401, the elastic cover 3 is scraped to the upper surface of the steel pipe concrete, the coupling agent extruded from the discharge hole 01 is conveyed to the annular material conveying cavity 4012 by the conveying pipe 3 to the annular material conveying pipe 3, the coupling agent is extruded and then the coupling agent is continuously contacted with the cylindrical steel pipe 3 to the outer side of the steel pipe 3 along with the steel pipe concrete, the cylindrical steel pipe 3 is continuously contacted with the cylindrical steel pipe 3, and the cylindrical steel pipe 3 is deformed with the cylindrical steel pipe 3 and then the cylindrical steel pipe 3 is contacted with the cylindrical steel pipe 3 by the cylindrical steel pipe concrete, the cylindrical steel pipe is continuously and the cylindrical steel pipe is contacted with the cylindrical steel pipe 3 by the cylindrical steel pipe 3, and the cylindrical steel pipe is completely and the cylindrical steel is completely contacted with the cylindrical steel, the couplant on the detection surface of the transducer 2 is attached to the outer side of the steel pipe concrete, and the couplant on the detection surface of the transducer 2 is blocked and limited through the elastic cover 3, so that the couplant at the edge of the transducer 2 is extruded to the middle of the detection surface of the transducer 2, and the couplant is uniformly distributed between the detection surface of the transducer 2 and the outer side of the steel pipe concrete, so that the ultrasonic wave can be more stably propagated between the transducer 2 and the steel pipe concrete, the quality of detection signals is improved, and meanwhile, the direct contact between the detection surface of the transducer 2 and the steel pipe concrete due to the lack of the couplant is prevented, and the detection surface of the transducer 2 is prevented from being worn.
In addition, because the outer side of the columnar steel tube concrete is an arc surface, the gap between the detection surface of the transducer 2 and the outer side of the steel tube concrete is gradually increased from the middle part of the transducer 2 to the edge of the transducer 2 in the horizontal direction, so that the demand of the couplant between the four points of the transducer 2 in the horizontal direction and the steel tube concrete is increased, therefore, the invention ensures that the couplant in the discharge holes 40101 near the two four points of the horizontal direction in the fixed ring 401 is more than the couplant in other positions inside the fixed ring 401 during blanking by respectively communicating the two transmission pipes 403 with the upper sides of the two four points of the fixed ring 401, thereby being beneficial to ensuring that the elastic cover 3 scrapes and stacks the couplant at the four points of the detection surface of the transducer 2 in the horizontal direction and the arc surface outside the steel tube, and fully filling the couplant in the gap between the detection surface of the transducer 2 and the outer side of the steel tube concrete, and enhancing the coupling effect between the detection surface of the transducer 2 and the outer side of the steel tube.
After transducer 2 and steel pipe concrete laminate, control one of them transducer 2 through peripheral hardware ultrasonic detector and transmit the ultrasonic wave, make the ultrasonic wave pass in the steel pipe concrete and receive by another transducer 2 after the inside, then transducer 2 converts the ultrasonic wave received into the signal transmission back in the ultrasonic detector, and then accomplish once to steel pipe concrete's detection work, after transducer 2 detects once, control flexible drive spare two 204 and drive transducer 2 and elasticity cover 3 shrink and steel pipe concrete separation, make transducer 2 and elasticity cover 3 remove into solid fixed ring 401, then control flexible drive spare three 205 drive collector 4 descend to be less than the height of transducer 2, at this moment, control flexible drive spare two 204 drive transducer 2 and elasticity cover 3 to collector 4, make the laminating of elasticity cover 3 lower part to the scraping portion 4001 of collector 4 on, then control flexible drive spare three 205 drive collector 4 rise, make the scraping portion 4001 laminate the detection face of elasticity cover 3 and transducer 2 on the face adhesion coupling agent of the face with transducer 2 scrape down, prevent that adhesion agent from being carried on the face to the fixed ring 401 and the transducer 2 from being mixed with the detection face again, prevent that the subsequent particle from being influenced by transducer 2 and the vibration cover 2 from being connected with the transducer 2 to the detection face, the vibration cover 3 is carried out, when the vibration agent is prepared to be fixed to the transducer 2.
In summary, compared with the existing mode of manually holding the transducer 2 to detect the steel tube concrete, the invention drives the device to lift outside the steel tube concrete through the electric roller 102, not only can detect the steel tube concrete with different diameters, but also can detect any height position, the adaptability of the device is enhanced, the transducer 2 is controlled to be attached to the outer side of the steel tube concrete through machinery to detect, not only does not need to manually draw a calibration line in advance before detection, but also does not need to manually calibrate the transducer 2, the offset of the transducer 2 attached to the arc surface of the steel tube concrete is prevented, the coupling effect of the transducer 2 and the steel tube concrete is ensured, the coupling agent can be automatically coated and fed through the cooperation of the storage tank 402 and the fixed ring 401, meanwhile, the coupling agent on the detection surface of the transducer 2 is cleaned through the collector 4, the coupling agent and the cleaning work are not required to be manually coated on the transducer 2, the automation of the whole detection process is realized, the labor cost is reduced, and the accuracy of detection values is improved.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 1-4, the electric sliding block comprises a protective cover 501, wherein two movable grooves 1001 which are vertically symmetrical are formed in each fixed frame 1, the movable grooves 1001 on the two fixed frames 1 are mutually communicated, one protective cover 501 is connected in a sliding mode in the two movable grooves 1001 on each fixed frame 1, and the protective cover 501 is fixedly connected with the electric sliding block 202.
The anti-theft protective cover comprises a plurality of protective covers 501, a plurality of balls 502 which are vertically symmetrical are rotatably connected to each protective cover 501, and each ball 502 rolls in a corresponding movable groove 1001.
In addition, when the scraping block 302 and the metal brush 303 are used for cleaning the outer side of the steel pipe concrete, dust is easily generated in the cleaned concrete particle impurities and is adhered to the arc-shaped sliding rail 201, so that the friction force of the electric sliding block 202 is increased when the electric sliding block 202 slides on the arc-shaped sliding rail 201, and abrasion between the electric sliding block 202 and the arc-shaped sliding rail 201 is increased.
When the shield 501 slides in the movable groove 1001, the friction force between the shield 501 and the fixed frame 1 is reduced by the balls 502 when the shield 501 slides, so that the shield 501 and the fixed frame 1 are prevented from being worn mutually, and the protection effect on the device is enhanced.
While the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the following claims. Accordingly, the detailed description of the disclosed embodiments is to be taken only by way of illustration and not by way of limitation, and the scope of protection is defined by the content of the claims.
Claims (10)
1. The steel pipe concrete construction quality nondestructive testing device based on ultrasonic waves comprises fixing frames (1), wherein the fixing frames (1) are detachably connected with each other, the two fixing frames (1) are jointly formed into a circular shape, the device is characterized by further comprising a self-walking mechanism, movable assemblies, energy converters (2), elastic covers (3), collectors (4), cleaning assemblies and blanking assemblies, the self-walking mechanism used for driving the fixing frames (1) to move is arranged on the fixing frames (1), the movable assemblies are arranged on the fixing frames (1), a plurality of energy converters (2) used for emitting and receiving ultrasonic waves are connected to the movable assemblies, an elastic cover (3) used for enabling a coupling agent to uniformly diffuse is arranged on a detection surface of each energy converter (2), a plurality of collectors (4) used for cleaning the coupling agent adhered to the energy converters (2) are jointly combined into a circular shape, a scraping part (4001) is arranged on each collector (4), a cleaning assembly used for cleaning the outer side of the steel pipe concrete is connected to the movable assemblies, and the cleaning assemblies used for cleaning the coupling agent is connected to the lower parts used for cleaning the coupling agent.
2. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized in that the self-walking mechanism comprises supporting rods (101), electric rollers (102) and first telescopic driving pieces (103), a plurality of supporting rods (101) are rotatably connected to each fixing frame (1), an electric roller (102) for driving the fixing frames (1) to move is rotatably connected to each supporting rod (101), a plurality of first telescopic driving pieces (103) are rotatably connected to each fixing frame (1), and telescopic ends of the first telescopic driving pieces (103) are rotatably connected with corresponding supporting rods (101).
3. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized in that the movable assembly comprises arc-shaped sliding rails (201), electric sliding blocks (202), fixing blocks (203), second telescopic driving pieces (204) and third telescopic driving pieces (205), each fixing frame (1) is fixedly connected with one arc-shaped sliding rail (201), all arc-shaped sliding rails (201) are combined into a circular ring, each arc-shaped sliding rail (201) is connected with one electric sliding block (202) in a sliding mode, each electric sliding block (202) is fixedly connected with one fixing block (203), each fixing block (203) is fixedly connected with one second telescopic driving piece (204), the telescopic end of each second telescopic driving piece (204) is fixedly connected with a transducer (2), each fixing frame (1) is rotatably connected with a plurality of third telescopic driving pieces (205), and the telescopic end of each third telescopic driving piece (205) is fixedly connected with a corresponding collector (4).
4. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized in that the cleaning assembly comprises four telescopic driving pieces (301) and scraping blocks (302), each fixing block (203) is fixedly connected with one telescopic driving piece (301), the telescopic end of each telescopic driving piece (301) is fixedly connected with one scraping block (302) for cleaning impurities adhered to the outer side of the steel pipe concrete, and each scraping block (302) is provided with a plurality of shoveling parts (30201).
5. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized by further comprising metal bristles (303), and each scraping block (302) is provided with a plurality of metal bristles (303) for enhancing the cleaning effect on the steel pipe concrete.
6. A nondestructive testing device for the construction quality of concrete filled steel tube based on ultrasonic waves according to claim 4, the method is characterized in that: the blanking assembly comprises a fixed ring (401), a storage tank (402) and a transmission pipe (403); each fixed block (203) is fixedly connected with a fixed ring (401) for protecting the transducer (2); an annular material conveying cavity (40102) is formed in each fixing ring (401); the inner ring surface of each fixed ring (401) is provided with a plurality of discharge holes (40101); each discharge hole (40101) is communicated with a corresponding annular material conveying cavity (40102); the end face of each fixing ring (401) is provided with an arc surface which is attached to the arc surface on the outer side of the collector (4); each fixed ring (401) is fixedly connected with a storage tank (402) for storing a coupling agent; an air inlet (40201) is formed in the upper side of each storage tank (402); each air inlet (40201) is communicated with an external air pump; a material pressing plate (40202) is connected inside each storage tank (402) in a sliding way; each storage tank (402) is provided with a feed inlet (40203) for supplementing the couplant; a shutoff valve is arranged in each feed inlet (40203); each storage tank (402) is fixedly connected and communicated with a plurality of transmission pipes (403); each transmission pipe (403) is communicated with a corresponding annular material conveying cavity (40102).
7. The ultrasonic-based concrete filled steel tube construction quality nondestructive testing device according to claim 6, wherein the two transmission pipes (403) on each storage tank (402) are respectively communicated with the upper side positions of the two quartering points of the fixing ring (401) in the horizontal direction.
8. The ultrasonic-based concrete filled steel tube construction quality nondestructive testing device according to claim 1, wherein the scraping portion (4001) is made of elastic materials.
9. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized by further comprising a protective cover (501), wherein two movable grooves (1001) are formed in each fixing frame (1), the movable grooves (1001) in the two fixing frames (1) are communicated with each other, the two movable grooves (1001) in each fixing frame (1) are connected with the protective cover (501) for blocking impurity particles in a sliding mode, and the protective cover (501) is fixedly connected with the electric sliding block (202).
10. The ultrasonic-based steel pipe concrete construction quality nondestructive testing device is characterized by further comprising balls (502), wherein a plurality of balls (502) for reducing friction are rotatably connected to each protection cover (501), and each ball (502) rolls in a corresponding movable groove (1001).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510428142.6A CN120275508A (en) | 2025-04-07 | 2025-04-07 | Steel pipe concrete construction quality nondestructive test device based on ultrasonic wave |
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| CN202510428142.6A CN120275508A (en) | 2025-04-07 | 2025-04-07 | Steel pipe concrete construction quality nondestructive test device based on ultrasonic wave |
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| CN120275508A true CN120275508A (en) | 2025-07-08 |
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