CN217156422U - Ultrasonic flaw detection climbing trolley - Google Patents
Ultrasonic flaw detection climbing trolley Download PDFInfo
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- CN217156422U CN217156422U CN202220868983.0U CN202220868983U CN217156422U CN 217156422 U CN217156422 U CN 217156422U CN 202220868983 U CN202220868983 U CN 202220868983U CN 217156422 U CN217156422 U CN 217156422U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The application provides an ultrasonic flaw detection climbing trolley which comprises a trolley body, and a magnetic wheel, a driving mechanism, a flaw detection liquid coating mechanism and a flaw detection mechanism which are arranged on the trolley body; magnetic wheels are uniformly distributed at the four corners of the bottom of the vehicle body, and a driving mechanism for driving the magnetic wheels to rotate is arranged below the vehicle body; one side of the vehicle body is provided with a flaw detection liquid brushing mechanism which comprises a brush head extending out of the vehicle body and capable of reciprocating along the direction vertical to the moving direction of the vehicle body; and the other side of the vehicle body is provided with a flaw detection mechanism which comprises an ultrasonic probe extending out of the vehicle body and capable of reciprocating along the direction vertical to the moving direction of the vehicle body. This application can magnetic force adsorb on wind power tower cylinder surface and scramble by oneself under actuating mechanism's drive, brush the head can automatic reciprocating motion and then apply paint the liquid of detecting a flaw with a brush, and ultrasonic transducer can constantly sweep on wind power tower cylinder surface and shoot in order to carry out automatic detection, solves the difficult problem that detects of eminence position on the one hand, and on the other hand has improved the detection efficiency of detecting a flaw.
Description
Technical Field
The application relates to the technical field of detection devices, in particular to an ultrasonic flaw detection climbing trolley.
Background
The wind power generation is very environment-friendly and has huge wind energy, so that the wind power generation is increasingly paid attention by various countries in the world. In a wind generating set, a wind power tower is used as a support in the wind generating set to send a wind generating machine room into the air so as to improve the wind energy utilization rate, and meanwhile, the wind power tower can absorb the vibration of the set. In the manufacturing of wind power towers and maintenance during field service, ultrasonic nondestructive testing is an indispensable part.
In the process of manufacturing the wind power tower, ultrasonic detection is needed to be carried out on a welding line after the welding of the wind power tower barrel of the main structure is finished, the diameter of the wind power tower barrel is large (the diameter of the barrel is between 3m and 5 m), the high position of the wind power tower barrel cannot reach the position, the wind power tower barrel needs to be horizontally placed on the roller frame when the welding line is detected, the wind power tower barrel is driven to rotate through the rotation of the roller frame, and the high position can be manually detected by detecting the position of the low position. Meanwhile, when flaw detection is carried out, a flaw detector is manually held by one hand, and an ultrasonic probe is manually held by the other hand to sweep nearby welding seams of the wind power tower to carry out flaw detection. In the process, on one hand, due to the limitation of space, the roller frame needs to be manually carried and the wind power tower cylinder needs to be placed on the roller frame, so that the production time is occupied; on the other hand, manual detection may consume physical strength of a person to some extent, thereby slowing down detection efficiency. In conclusion, the existing detection for the wind power tower barrel has the problem of low efficiency.
Meanwhile, when the wind power tower is just installed or put into use in the wind power plant, nondestructive inspection needs to be carried out on the inside of a specific position during maintenance, personnel at the high altitude of the erected wind power tower cannot easily reach the erected wind power tower, and the problem that ultrasonic nondestructive inspection detection is difficult to carry out exists.
SUMMERY OF THE UTILITY MODEL
The application provides an ultrasonic inspection climbing dolly for solve the problem that current detection device detection efficiency is low and the eminence is difficult for detecting.
The application provides an ultrasonic flaw detection climbing trolley which comprises a trolley body, and a magnetic wheel, a driving mechanism, a flaw detection liquid coating mechanism and a flaw detection mechanism which are arranged on the trolley body;
magnetic wheels capable of being magnetically adsorbed on the surface of the wind power tower are uniformly distributed at the four corners of the bottom of the vehicle body, and a driving mechanism for driving the magnetic wheels to rotate is arranged below the vehicle body;
a flaw detection liquid coating and brushing mechanism for coating flaw detection liquid on the surface of the wind power tower barrel is arranged on one side of the vehicle body along the moving direction, and the flaw detection liquid coating and brushing mechanism comprises a brush head which extends out of the vehicle body and can reciprocate along the direction vertical to the moving direction of the vehicle body;
the flaw detection mechanism for carrying out flaw detection on the surface of the wind power tower is arranged on one side of the car body opposite to the flaw detection liquid painting mechanism, and the flaw detection mechanism comprises an ultrasonic probe which extends out of the car body and can carry out reciprocating motion along the direction perpendicular to the moving direction of the car body.
In an embodiment of this application, actuating mechanism includes first motor, drive gear, driven gear and pivot, and first motor setting is outside automobile body diapire, and drive gear is installed to the output shaft of first motor, and the fixed driven gear that has worn in pivot middle part, the both ends of pivot respectively with the wheel center fixed connection of two relative magnetism wheels, drive gear and driven gear meshing are connected.
In an embodiment of this application, the mechanism of detecting a flaw still includes supporting rod, arc rack, second motor and second gear, the one end and the ultrasonic transducer fixed connection of supporting rod, the other end and the arc rack fixed connection of supporting rod, the supporting rod middle part articulates in the automobile body roof, the second motor sets up in the automobile body roof, the second gear of being connected with the meshing of arc rack is installed to the output shaft of second motor.
In an embodiment of this application, the mechanism of detecting a flaw still includes cylinder and layer board, and the supporting rod includes first clamping bar and the second clamping bar at vertical direction mutual sliding connection, and first clamping bar is connected with ultrasonic transducer, second clamping bar and arc rack fixed connection, and the cylinder setting is on the inboard diapire of automobile body, and the output shaft top of cylinder has linked firmly the layer board, layer board top and first clamping bar bottom looks butt.
In an embodiment of this application, the liquid of detecting a flaw scribbles brush mechanism still includes connecting rod, circular arc rack, third motor and third gear, the one end and the first fixed connection of brush of connecting rod, the other end and the circular arc rack fixed connection of connecting rod, the connecting rod middle part articulates in the automobile body diapire, the one end that the brush head was connected to the connecting rod is bent downwards, the third motor sets up in the automobile body diapire, the third gear of being connected with circular arc rack meshing is installed to the output shaft of third motor.
In an embodiment of this application, ultrasonic flaw detection climbing dolly still includes and is used for carrying out the confession liquid mechanism of detecting a flaw to the liquid mechanism of scribbling of detecting a flaw, and confession liquid mechanism of detecting a flaw includes the transfer line and is located subaerial water pump and liquid reserve tank, and the one end of transfer line is linked together with the liquid reserve tank through the water pump, and the other end of transfer line is connected with the brush head.
In one embodiment of the application, the brush head comprises a brush and a liquid outlet nozzle with dense holes, which is arranged above the brush, and the liquid outlet nozzle is communicated with the infusion tube.
In one embodiment of the present application, the second motor is a variable frequency reciprocating motor.
In an embodiment of the present application, the climbing trolley for ultrasonic flaw detection further includes a controller electrically connected to the driving mechanism, the flaw detection liquid brushing mechanism, the flaw detection mechanism, and the flaw detection liquid supply mechanism, respectively.
In one embodiment of the present application, the ultrasonic probe includes a probe body and a probe driving motor connected to the probe body, and the probe driving motor is electrically connected to the controller.
The application provides an ultrasonic inspection detects climbing dolly, evenly be provided with the magnetism wheel through the bottom four corners department at the automobile body, the climbing dolly adsorbs wind power tower section of thick bamboo surface and climbs by oneself under actuating mechanism's drive through magnetic force, and need not to keep flat wind power tower section of thick bamboo and rotate on the gyro wheel frame, and wind power tower section of thick bamboo is no longer limited with the help of equipment such as gyro wheel frame, can carry out all-round ultrasonic inspection to it with the help of the climbing dolly under any form of placing. In addition, the flaw detection liquid painting mechanism and the flaw detection mechanism are respectively arranged on the front side wall and the rear side wall of the moving direction of the vehicle body, the flaw detection liquid painting mechanism comprises a brush head capable of reciprocating along the direction vertical to the moving direction of the vehicle body, and the brush head can reciprocate at a welding seam on the surface of the wind power tower cylinder so as to paint flaw detection liquid; the flaw detection mechanism comprises an ultrasonic probe capable of performing reciprocating motion along the direction perpendicular to the movement direction of the vehicle body, the ultrasonic probe can continuously scan and emit ultrasonic waves on the surface of the wind power tower cylinder to automatically detect flaws on the surface of the wind power tower cylinder, and the detection efficiency can be improved to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of a climbing trolley for ultrasonic flaw detection provided in an embodiment of the present application;
FIG. 2 is a schematic perspective view of the bottom of a climbing trolley for ultrasonic flaw detection provided in an embodiment of the present application;
FIG. 3 is a schematic view of a three-dimensional structure inside a climbing trolley for ultrasonic flaw detection provided by an embodiment of the present application;
fig. 4 is a schematic perspective view of a climbing trolley for ultrasonic flaw detection according to another embodiment of the present application.
Description of reference numerals:
1. a vehicle body;
2. a magnetic wheel;
3. a drive mechanism; 31. a first motor; 32. a drive gear; 33. a driven gear; 34. a rotating shaft;
4. a flaw detection liquid coating mechanism; 41. a brush head; 411. a brush; 412. a liquid outlet nozzle; 42. a connecting rod; 43. a circular arc rack; 44. a third motor; 45. a third gear;
5. a flaw detection mechanism; 51. an ultrasonic probe; 511. a probe body; 512. a probe driving motor; 52. a clamping rod; 521. a first clamping bar; 522. a second clamping bar; 523. straight rack; 53. an arc-shaped rack; 54. a second motor; 55. a second gear; 56. a cylinder; 57. a support plate;
6. a flaw detection liquid supply mechanism; 61. a transfusion tube; 62. a water pump; 63. a liquid storage tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms referred to in this application are explained first:
ultrasonic flaw detection: when ultrasonic beam is passed from surface of part to inside of metal by probe, reflected waves are generated when the defect and bottom surface of part meet to form pulse waveform on fluorescent screen, and the position and size of defect are judged according to these pulse waveforms.
An embodiment of the application provides an ultrasonic flaw detection climbing trolley, as shown in fig. 1 and 2, comprising a trolley body 1, and a magnetic wheel 2, a driving mechanism 3, a flaw detection liquid painting mechanism 4 and a flaw detection mechanism 5 which are arranged on the trolley body 1.
The bottom four corners of automobile body 1 equipartition has can magnetic force adsorb the magnetic wheel 2 on wind power tower cylinder surface, and 1 below of automobile body is provided with and is used for driving the 2 pivoted actuating mechanism 3 of magnetic wheel.
The vehicle body 1 may be, for example, a square box of 300 × 150 × 100 in size made of a high-strength aluminum alloy material of 1mm thickness, and is used to mount the driving mechanism 3, the flaw detection liquid applying mechanism 4, and the flaw detection mechanism 5, and the vehicle body 1 is small in size and easy to move.
One side of the vehicle body 1 along the moving direction is provided with a flaw detection liquid coating mechanism 4 for coating flaw detection liquid on the surface of the wind power tower, and the flaw detection liquid coating mechanism 4 comprises a brush head 41 which extends out of the vehicle body 1 and can reciprocate along the direction perpendicular to the moving direction of the vehicle body 1. The flaw detection liquid is used as a coupling agent during ultrasonic detection, is a layer of sound transmission medium applied between the ultrasonic probe 51 and the surface of the wind power tower, and is used for removing air between the ultrasonic probe 51 and the surface of the wind power tower, so that ultrasonic energy can be effectively transmitted into a detected position, sufficient sound intensity transmittance on a detection surface is ensured, the purpose of detection is achieved, and the flaw detection liquid is required to be coated by the brush head 41 before ultrasonic flaw detection is carried out. In order to improve the flaw detection efficiency, the vehicle body 1 is usually moved along the flaw detection position, and the brush head 41 needs to perform reciprocating motion in a direction perpendicular to the moving direction of the vehicle body 1, so that the painting of the flaw detection liquid is more uniform.
It should be noted that the distance between the two magnetic wheels 2 on the same side of the moving direction is greater than the distance in the swinging direction of the brush head 41, so as to prevent the magnetic wheels 2 from being infected with the flaw detection liquid and further affecting the movement of the climbing trolley.
The vehicle body 1 is provided with the mechanism 5 of detecting a flaw that is used for carrying out the detection of detecting a flaw to wind power tower cylinder surface in the one side relative with the liquid painting mechanism 4 of detecting a flaw, and the mechanism 5 of detecting a flaw includes extending to the outer ultrasonic transducer 51 of vehicle body 1, and ultrasonic transducer 51 can carry out reciprocating motion along the direction of movement of perpendicular to vehicle body 1, can follow a plurality of directions transmission and receive ultrasonic wave, and the accuracy of detecting is higher. In actual production, the ultrasonic probe 51 is usually connected with a data line (not shown) for transmitting flaw detection information, and a bracket (not shown) for guiding and fixing the data line is further provided above the vehicle body 1.
When the climbing trolley for ultrasonic flaw detection is used, firstly, the magnetic wheel 2 is adsorbed on the surface of the wind power tower, one side with the flaw detection liquid painting mechanism 4 is used as the front side of the moving direction of the trolley body 1, then the driving mechanism 3 is started, the driving mechanism 3 drives the magnetic wheel 2 to rotate, and the climbing trolley can move along the surface of the wind power tower; when the climbing trolley moves to a position to be detected, the flaw detection liquid coating mechanism 4 and the flaw detection mechanism 5 are started simultaneously, the brush head 41 performs reciprocating motion in the front to coat flaw detection liquid, and the flaw detection mechanism 5 simultaneously acts behind the brush head to perform continuous flaw detection; or the flaw detection liquid coating mechanism 4 is started first, and after the flaw detection liquid is coated on the position to be detected, the ultrasonic probe 51 is moved to the position where the flaw detection liquid is coated to perform fixed-point flaw detection.
In wind power tower cylinder manufacturing industry, the ultrasonic inspection detects climbing dolly that this application provided, evenly be provided with magnetism wheel 2 through the bottom four corners department at automobile body 1, the climbing dolly adsorbs on wind power tower cylinder surface and climbing by oneself under actuating mechanism 3's drive through magnetic force, and need not to keep flat wind power tower cylinder and rotate on the gyro wheel frame, wind power tower cylinder no longer limited with the help of equipment such as gyro wheel frame, can carry out all-round ultrasonic inspection to it with the help of climbing dolly under any mode of placing. In addition, the flaw detection liquid painting mechanism 4 and the flaw detection mechanism 5 are respectively arranged on the front side wall and the rear side wall of the moving direction of the vehicle body 1, the flaw detection liquid painting mechanism 4 comprises a brush head 41 capable of reciprocating along the direction perpendicular to the moving direction of the vehicle body 1, and the brush head 41 can reciprocate at a welding seam on the surface of the wind power tower cylinder to paint flaw detection liquid; the flaw detection mechanism 5 comprises an ultrasonic probe 51 which can perform reciprocating motion along the direction perpendicular to the moving direction of the vehicle body 1, the ultrasonic probe 51 can continuously scan the surface of the wind power tower cylinder and send and receive ultrasonic waves so as to perform automatic flaw detection on the surface of the wind power tower cylinder, and the detection efficiency can be improved to a certain extent.
In some embodiments, as shown in fig. 1 and fig. 2, the driving mechanism 3 includes a first motor 31, a driving gear 32, a driven gear 33 and a rotating shaft 34, the first motor 31 is transversely disposed outside the bottom wall of the vehicle body 1, the driving gear 32 is mounted on an output shaft of the first motor 31, the driven gear 33 is fixedly connected to the middle portion of the rotating shaft 34 in a penetrating manner, two ends of the rotating shaft 34 are respectively fixedly connected to wheel centers of two opposite magnetic wheels 2 on one side of the moving direction of the vehicle body 1, and the driving gear 32 is in meshed connection with the driven gear 33. When the driving mechanism 3 is used, the first motor 31 is started, the output shaft of the first motor 31 rotates to drive the driving gear 32 to rotate, the driving gear 32 drives the driven gear 33 connected with the driving gear in a meshed mode to rotate, the driven gear 33 drives the rotating shaft 34 fixedly connected with the driven gear to rotate, the rotating shaft 34 drives the two opposite magnetic wheels 2 fixedly connected at two ends of the rotating shaft to rotate, the vehicle body 1 can move, and the climbing trolley achieves self-climbing through the driving mechanism 3.
In some embodiments, as shown in fig. 1 and 3, the flaw detection mechanism 5 further includes a clamping rod 52, an arc-shaped rack 53, a second motor 54 and a second gear 55, one end of the clamping rod 52 is fixedly connected with the ultrasonic probe 51, the other end of the clamping rod 52 is fixedly connected with the arc-shaped rack 53, the middle part of the clamping rod 52 is hinged in the top wall of the vehicle body 1, the second motor 54 is longitudinally arranged on the top wall of the vehicle body 1, and the output shaft of the second motor 54 is provided with the second gear 55 in meshed connection with the arc-shaped rack 53. When the flaw detection mechanism 5 is used, the second motor 54 is started, the output shaft of the second motor 54 rotates to drive the second gear 55 to rotate, the second gear 55 drives the arc-shaped rack 53 which is meshed with the second gear to rotate, the clamping rod 52 is further driven to rotate around a hinged point of the clamping rod 52 and the top wall of the vehicle body 1, and meanwhile, the ultrasonic probe 51 clamped by the other end of the clamping rod 52 reciprocates to perform automatic flaw detection.
In some embodiments, as shown in fig. 1 and 3, the second motor 54 is a variable frequency reciprocating motor. The second motor 54 operates in a reciprocating manner to drive the ultrasonic probe 51 to move in a reciprocating manner, and the second motor 54 is a variable frequency motor, so that the reciprocating speed of the ultrasonic probe 51 can be controlled, and the ultrasonic probe is suitable for detecting welding seams with different sizes on the surface of the wind power tower.
In some embodiments, as shown in fig. 1 and 3, the flaw detection mechanism 5 further includes an air cylinder 56 and a supporting plate 57, the clamping rod 52 includes a first clamping rod 521 and a second clamping rod 522 which are slidably connected to each other in a vertical direction, the first clamping rod 521 is connected to the ultrasonic probe 51, the second clamping rod 522 is fixedly connected to the arc-shaped rack 53, the air cylinder 56 is disposed on the bottom wall of the inner side of the vehicle body 1, the supporting plate 57 is fixedly connected to the top end of an output shaft of the air cylinder 56, and the top end of the supporting plate 57 abuts against the bottom end of the first clamping rod 521. When the climbing trolley moves on the surface of the wind power tower cylinder, the output shaft of the air cylinder 56 rises to drive the supporting plate 57 at the top end of the output shaft and the first clamping rod 521 at the top end of the supporting plate 57 to rise, so that the ultrasonic probe 51 can be prevented from being abraded on the surface of the wind power tower cylinder; after the climbing trolley moves to the position to be detected, the air cylinder 56 is started, the output shaft of the air cylinder 56 descends, and then the supporting plate 57 at the top end of the output shaft of the air cylinder 56 and the first clamping rod 521 at the top end of the supporting plate 57 descend, so that the ultrasonic probe 51 can be close to the position to be detected.
In some embodiments, as shown in fig. 1 and 3, the flaw detection liquid painting mechanism 4 further includes a connecting rod 42, an arc rack 43, a third motor 44 and a third gear 45, one end of the connecting rod 42 is fixedly connected with the brush head 41, the other end of the connecting rod 42 is fixedly connected with the arc rack 43, the middle portion of the connecting rod 42 is hinged in the top wall of the vehicle body 1, one end of the connecting rod 42 connected with the brush head 41 is bent downward, the third motor 44 is disposed on the top wall of the vehicle body 1, and the output shaft of the third motor 44 is provided with the third gear 45 in meshed connection with the arc rack 43. When the flaw detection liquid painting mechanism 4 is used, the third motor 44 is started, the output shaft of the third motor 44 rotates to drive the third gear 45 connected with the third motor to rotate, and further the arc rack 43 is driven to rotate, so that the connecting rod 42 is driven to rotate around the hinged joint of the connecting rod and the top wall of the vehicle body 1, and meanwhile, the brush head 41 at the other end of the connecting rod 42 reciprocates to conduct automatic painting.
In some embodiments, as shown in fig. 1 and 4, the climbing ultrasonic flaw detection trolley further comprises a flaw detection liquid supply mechanism 6 for conveying flaw detection liquid to the flaw detection liquid brushing mechanism 4, the flaw detection liquid supply mechanism 6 comprises a liquid conveying pipe 61, a water pump 62 and a liquid storage tank 63 which are located on the ground, one end of the liquid conveying pipe 61 is communicated with the liquid storage tank 63 through the water pump 62, and the other end of the liquid conveying pipe 61 is connected with the brush head 41. When the flaw detection device is used, when the climbing trolley moves to a position to be detected, the water pump 62 is started, and the flaw detection liquid in the liquid storage tank 63 is conveyed to the brush head 41 by the water pump 62 through the liquid conveying pipe 61. The liquid storage tank 63 is used for storing flaw detection liquid, the liquid conveying pipe 61 is a hose and is used for conveying the flaw detection liquid in the liquid storage tank 63 to the brush head 41 of the climbing trolley, and the water pump 62 is used for providing power for the flow of the flaw detection liquid in the liquid conveying pipe 61. Set up and supply liquid mechanism 6 of detecting a flaw and can make the automobile body 1 itself of climbing to the eminence carry still less liquid of detecting a flaw under the condition that the liquid of detecting a flaw was applied paint with a brush in the completion, be of value to reduce automobile body 1 weight, convenient removal.
In some embodiments, as shown in fig. 4, the brush head 41 includes a brush 411 and a liquid outlet nozzle 412 with dense holes disposed above the brush 411, and the liquid outlet nozzle 412 is communicated with the infusion tube 61. The liquid outlet nozzle 412 may be, for example, arranged around the connecting rod 42 above the brush 411, and the lower surface of the liquid outlet nozzle 412 is provided with dense holes at two sides of the brush 411. The liquid outlet spray head 412 with the dense holes is used for uniformly distributing the flaw detection liquid in the liquid conveying pipe 61, so that the brush 411 can be coated conveniently, the flaw detection liquid on the surface of the wind power tower drum is uniformly distributed, and detection is facilitated.
In some embodiments, as shown in fig. 2 to 4, the climbing car for ultrasonic flaw detection further includes a controller electrically connected to the driving mechanism 3, the flaw detection liquid applying mechanism 4, the flaw detection mechanism 5, and the flaw detection liquid supplying mechanism 6, respectively, a remote control circuit module is disposed inside the controller, the remote control circuit module inside the controller is electrically connected to the first motor 31 inside the driving mechanism 3, the third motor 44 inside the flaw detection liquid applying mechanism 4, the second motor 54 and the cylinder 56 inside the flaw detection mechanism 5, and the water pump 62 inside the flaw detection liquid supplying mechanism 6, respectively, and can remotely control the start and stop of each electrical appliance, and the controller is further configured to control the operating speed of the second motor 54, and further control the detection moving speed of the clamping rod 52 and the ultrasonic probe 51. In addition, in actual production, the vehicle body 1 is further provided with a power supply mechanism (not shown in the figure), the power supply mechanism is electrically connected with the driving mechanism 3, the flaw detection liquid painting mechanism 4 and the flaw detection mechanism 5 respectively for providing power for the actions of each electric appliance, and the power supply mechanism can be a charging power supply or an external power supply outside the vehicle body 1.
In some embodiments, as shown in fig. 3, the ultrasonic probe 51 includes a probe body 511 and a probe driving motor 512 connected to the probe body 511, specifically, the probe driving motor 512 is connected to the first clamping bar 521, an output shaft of the probe driving motor 512 is connected to the probe body 511, and the probe driving motor 512 can drive the probe body 511 to rotate, so as to detect the type of the defect in the weld. The probe driving motor 512 is electrically connected with the controller, and the controller can control the probe driving motor 512 to slowly rotate after the clamping rod 52 in the flaw detection mechanism 5 swings to and fro to detect the position of the flaw in the weld joint, so as to drive the probe body 511 to slowly rotate for a certain angle in the horizontal plane at the position of the flaw in the weld joint, so that the ultrasonic wave emitted by the probe body 511 forms a certain angle with the flaw, and further detect the linear or point type flaw in the projection direction.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The climbing trolley for ultrasonic flaw detection is characterized by comprising a trolley body (1), and a magnetic wheel (2), a driving mechanism (3), a flaw detection liquid painting mechanism (4) and a flaw detection mechanism (5) which are arranged on the trolley body (1);
the magnetic wheels (2) capable of being magnetically adsorbed on the surface of the wind power tower are uniformly distributed at the four corners of the bottom of the vehicle body (1), and the driving mechanism (3) for driving the magnetic wheels (2) to rotate is arranged below the vehicle body (1);
the flaw detection liquid coating and brushing mechanism (4) for coating flaw detection liquid on the surface of the wind power tower is arranged on one side of the vehicle body (1) along the moving direction, and the flaw detection liquid coating and brushing mechanism (4) comprises a brush head (41) which extends out of the vehicle body (1) and can reciprocate along the direction perpendicular to the moving direction of the vehicle body (1);
the vehicle body (1) with the one side that the liquid of detecting a flaw scribbles brush mechanism (4) is relative is provided with and is used for carrying out the detection of detecting a flaw to wind power tower cylinder surface flaw detection mechanism (5), flaw detection mechanism (5) are including extending to outside the vehicle body (1) and can be along the perpendicular to ultrasonic transducer (51) that vehicle body (1) moving direction carries out reciprocating motion.
2. The ultrasonic flaw detection climbing trolley according to claim 1, wherein the driving mechanism (3) comprises a first motor (31), a driving gear (32), a driven gear (33) and a rotating shaft (34), the first motor (31) is arranged outside the bottom wall of the trolley body (1), the driving gear (32) is installed on an output shaft of the first motor (31), the driven gear (33) is fixedly connected to the middle of the rotating shaft (34) in a penetrating manner, two ends of the rotating shaft (34) are respectively fixedly connected with the wheel centers of the two opposite magnetic wheels (2), and the driving gear (32) is meshed with the driven gear (33).
3. The climbing trolley for ultrasonic flaw detection according to claim 1 or 2, wherein the flaw detection mechanism (5) further comprises a clamping rod (52), an arc-shaped rack (53), a second motor (54) and a second gear (55), one end of the clamping rod (52) is fixedly connected with the ultrasonic probe (51), the other end of the clamping rod (52) is fixedly connected with the arc-shaped rack (53), the middle part of the clamping rod (52) is hinged in the top wall of the trolley body (1), the second motor (54) is arranged on the top wall of the trolley body (1), and the second gear (55) meshed with the arc-shaped rack (53) is mounted on an output shaft of the second motor (54).
4. The climbing trolley for ultrasonic flaw detection according to claim 3, wherein the flaw detection mechanism (5) further comprises an air cylinder (56) and a supporting plate (57), the clamping rods (52) comprise a first clamping rod (521) and a second clamping rod (522) which are slidably connected with each other in the vertical direction, the first clamping rod (521) is connected with the ultrasonic probe (51), the second clamping rod (522) is fixedly connected with the arc-shaped rack (53), the air cylinder (56) is arranged on the inner bottom wall of the trolley body (1), the supporting plate (57) is fixedly connected to the top end of an output shaft of the air cylinder (56), and the top end of the supporting plate (57) is abutted against the bottom end of the first clamping rod (521).
5. The climbing trolley for ultrasonic flaw detection according to claim 1, wherein the flaw detection liquid brushing mechanism (4) further comprises a connecting rod (42), an arc rack (43), a third motor (44) and a third gear (45), one end of the connecting rod (42) is fixedly connected with the brush head (41), the other end of the connecting rod (42) is fixedly connected with the arc rack (43), the middle of the connecting rod (42) is hinged in the top wall of the trolley body (1), one end of the connecting rod (42) connected with the brush head (41) is bent downwards, the third motor (44) is arranged on the top wall of the trolley body (1), and the third gear (45) meshed with the arc rack (43) is mounted on an output shaft of the third motor (44).
6. The climbing trolley for ultrasonic flaw detection according to claim 1 or 5, further comprising a flaw detection liquid supply mechanism (6) for conveying flaw detection liquid to the flaw detection liquid brushing mechanism (4), wherein the flaw detection liquid supply mechanism (6) comprises a liquid conveying pipe (61), a water pump (62) and a liquid storage tank (63) which are located on the ground, one end of the liquid conveying pipe (61) is communicated with the liquid storage tank (63) through the water pump (62), and the other end of the liquid conveying pipe (61) is connected with the brush head (41).
7. The climbing trolley for ultrasonic flaw detection according to claim 6, wherein the brush head (41) comprises a brush (411) and a liquid outlet nozzle (412) with dense holes, the liquid outlet nozzle (412) is arranged above the brush (411), and the liquid outlet nozzle (412) is communicated with the liquid conveying pipe (61).
8. The ultrasonic flaw detection climbing trolley according to claim 3, wherein the second motor (54) is a variable frequency reciprocating motor.
9. The climbing trolley for ultrasonic flaw detection according to claim 6, further comprising a controller electrically connected with the driving mechanism (3), the flaw detection liquid painting mechanism (4), the flaw detection mechanism (5) and the flaw detection liquid supply mechanism (6), respectively.
10. The ultrasonic flaw detection climbing trolley according to claim 9, wherein the ultrasonic probe (51) comprises a probe body (511) and a probe driving motor (512) connected with the probe body (511), and the probe driving motor (512) is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220868983.0U CN217156422U (en) | 2022-04-14 | 2022-04-14 | Ultrasonic flaw detection climbing trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220868983.0U CN217156422U (en) | 2022-04-14 | 2022-04-14 | Ultrasonic flaw detection climbing trolley |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128164A (en) * | 2022-08-30 | 2022-09-30 | 江苏双辉环境科技有限公司 | Wall-climbing flaw detection device for detection of cooling tower |
| CN117554488A (en) * | 2024-01-11 | 2024-02-13 | 成都工业学院 | Tank defect intelligent detection trolley with ultrasonic dry coupling function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128164A (en) * | 2022-08-30 | 2022-09-30 | 江苏双辉环境科技有限公司 | Wall-climbing flaw detection device for detection of cooling tower |
| CN115128164B (en) * | 2022-08-30 | 2022-11-11 | 江苏双辉环境科技有限公司 | Wall-climbing flaw detection device for detection of cooling tower |
| CN117554488A (en) * | 2024-01-11 | 2024-02-13 | 成都工业学院 | Tank defect intelligent detection trolley with ultrasonic dry coupling function |
| CN117554488B (en) * | 2024-01-11 | 2024-03-22 | 成都工业学院 | Tank defect intelligent detection trolley with ultrasonic dry coupling function |
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