Be applicable to welding seam array vortex detection scanning device
Technical Field
The utility model belongs to the technical field of nondestructive testing, and relates to a welding seam array eddy current testing scanning device.
Background
The ultrasonic phased array detection technology is widely applied to weld defect detection, generally, the weld defect detection adopts a manual operation mode, an operator places a scanning frame with a probe on the surface of a test piece to be detected, the scanning frame is pushed by hands to walk at a constant speed along the length direction of the weld joint, probe signals are transmitted to a phased array instrument in real time, and the structure and the position of the defect can be known through a scanning map on the instrument.
An ultrasonic phased array weld detection scanning frame is disclosed in Chinese patent CN211955330U, and the weld detection scanning frame adopts gear-rack transmission to realize the electric adjustment of the positions of a probe and a weld. The supporting rod of the clamping device can move left and right, so that the clamping device can adapt to different probe sizes, and the probe is tightly attached to the surface of the piece to be tested at any time.
But the welding line detection scanning frame comprises a clamping device, a first support rod, a second support rod, a cross beam, a connecting frame, a torsion spring and a mounting support, wherein an adjusting screw is arranged on the first support rod, and the first support rod is connected with the cross beam through a fastening screw; the adjusting screw is installed on second branch, and second branch and crossbeam sliding connection remove on the crossbeam through adjusting screw elasticity, and the adjustment open-ended distance is in order to adapt to different probe sizes for when adjusting, make two branches press from both sides the probe tight need the staff to use the instrument to adjust respectively two adjusting bolt's elasticity on the second branch, and the operation is inconvenient, is inconvenient for changing the probe.
In order to solve the problems, the utility model provides a vortex detection scanning device suitable for a welding line array.
Disclosure of utility model
In order to solve the problems in the background technology, the utility model provides a vortex detection scanning device suitable for a welding line array.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the novel multifunctional box comprises a box body and a cross rod, wherein an encoder is arranged in the box body, one side of the box body is fixedly connected with a shell, the interior of the shell is movably connected with a mounting support, one end of the mounting support is hinged with a connecting frame through a second screw, a torsion spring is arranged on the second screw, and the connecting frame is fixedly connected with the cross rod through a first screw;
the one end fixedly connected with second branch of horizontal pole, the other end swing joint of horizontal pole has first branch, one side that the horizontal pole is close to first branch one end is provided with a plurality of perpendicular teeth, the one end fixedly connected with clamp plate of first branch, the through-hole has been seted up to the inside of clamp plate, and the inside sliding connection of through-hole has the handle, the one end fixedly connected with slider of handle, the one end swing joint of slider is on erecting the tooth.
Further, the distance between two adjacent vertical teeth is equal, one end of the sliding block, which is close to the vertical teeth, is in an arc shape, and the sliding block is movably connected to the inside of one end of the first supporting rod.
Further, one end of the sliding block, which is close to the handle, is fixedly connected with two guide posts, the two guide posts are respectively positioned at the top and the bottom of the handle, one end of each guide post penetrates through the inside of the pressing plate, a first spring is fixedly connected between the pressing plate and the sliding block, and the guide posts are positioned in the first spring.
Further, one end of the handle is fixedly connected with a limiting wheel, and the diameter of the limiting wheel is larger than that of a through hole of the handle on the pressing plate.
Further, the two sides of the box body are respectively fixedly connected with a first strong magnetic wheel, a second strong magnetic wheel, a third strong magnetic wheel and a fourth strong magnetic wheel, and the encoder is arranged at the center of the abdomen of the box body.
Further, one end fixedly connected with mounting panel of casing, one side fixedly connected with motor of mounting panel, the inside swing joint of casing has the lead screw, the output shaft and the lead screw of motor pass through shaft coupling fixed connection, lead screw threaded connection is in the inside of installing support.
Compared with the prior art, the utility model has the following beneficial effects:
Through setting up the horizontal pole, be provided with first branch and second branch respectively at the both ends of horizontal pole, wherein second branch is fixed, when the installation probe, make the slider slide in the one end of first branch through the pulling handle, drive the guide pillar and remove together this moment, and compress first spring, pass the through-hole on the clamp plate, make the perpendicular tooth separation of slider and horizontal pole one end, can slide first branch on the horizontal pole this moment, change the distance between first branch and the second branch, and then adjust the distance between first bayonet lock and the second bayonet lock, can clamp the probe between two bayonet locks, afterwards, unclamp the handle, because the elasticity of first spring promotes the slider, can remove the slider to horizontal pole one side and be located between the perpendicular tooth, fix first branch, make first branch can not remove and lead to the probe not hard up in the centre gripping, make through pulling handle can slide first branch adjust the centre gripping size, thereby be fit for carrying out the centre gripping to the probe of equidimension, easy operation, be convenient for change the probe.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the internal cross-section of the housing of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;
fig. 4 is a schematic diagram of the structure of an encoder in the present utility model.
In the figure: 1. a first strut; 2. a cross bar; 3. a pressing plate; 4. a motor; 5. a connecting plate; 6. a first screw; 7. a second strut; 8. a connecting frame; 9. a torsion spring; 10. a second screw; 11. a mounting support; 12. a screw rod; 13. a case; 14. a first ferromagnetic wheel; 15. a second ferromagnetic wheel; 16. an encoder; 17. a third ferromagnetic wheel; 18. a fourth ferromagnetic wheel; 19. a slide block; 20. a guide post; 21. a first spring; 22. a handle; 23. a first bayonet; 24. a second bayonet lock; 25. a housing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 4, the technical scheme adopted by the utility model is as follows: the utility model provides a be applicable to welding seam array vortex detection scanning device, includes box 13 and horizontal pole 2, and the inside of box 13 is provided with encoder 16, and one side fixedly connected with casing 25 of box 13, the inside swing joint of casing 25 has mounting bracket 11, and mounting bracket 11's one end articulates through second screw 10 has link 8, is provided with torsion spring 9 on the second screw 10, and link 8 passes through first screw 6 fixed connection with horizontal pole 2;
One end fixedly connected with second branch 7 of horizontal pole 2, the other end swing joint of horizontal pole 2 has first branch 1, and one side that horizontal pole 2 is close to first branch 1 one end is provided with a plurality of perpendicular teeth, and the one end fixedly connected with clamp plate 3 of first branch 1, the through-hole has been seted up to the inside of clamp plate 3, and the inside sliding connection of through-hole has handle 22, and the one end fixedly connected with slider 19 of handle 22, the one end swing joint of slider 19 is on erecting the tooth.
The distance between two adjacent vertical teeth is equal, one end of the sliding block 19, which is close to the vertical teeth, is arc-shaped, so that the sliding block 19 can slide on the vertical teeth, the sliding block 19 is movably connected to the inside of one end of the first supporting rod 1, two faces of the vertical teeth on one side of the cross rod 2 are respectively vertical and inclined, the sliding block 19 can be conveniently moved on the inclined face, and the sliding block 19 is fixed on the vertical face.
One end of the slide block 19, which is close to the handle 22, is fixedly connected with two guide posts 20, the two guide posts 20 are respectively positioned at the top and the bottom of the handle 22, one end of each guide post 20 penetrates through the inside of the pressing plate 3, a first spring 21 is fixedly connected between the pressing plate 3 and the slide block 19, the guide posts 20 are positioned in the inside of the first spring 21, and the positions of the slide blocks 19 are positioned through the elasticity of the first spring 21.
One end of the handle 22 is fixedly connected with a limiting wheel, the diameter of the limiting wheel is larger than that of a through hole of the handle 22 on the pressing plate 3, and the handle 22 is pulled through the limiting wheel.
The two sides of the box 13 are fixedly connected with a first ferromagnetic wheel 14, a second ferromagnetic wheel 15, a third ferromagnetic wheel 17 and a fourth ferromagnetic wheel 18 respectively, an encoder 16 is arranged in the center of the abdomen of the box 13, and the encoder 16 is used for recording weld position information.
One end fixedly connected with mounting panel 5 of casing 25, one side fixedly connected with motor 4 of mounting panel 5, the inside swing joint of casing 25 has lead screw 12, and shaft coupling fixed connection is passed through with lead screw 12 to the output shaft of motor 4, and lead screw 12 threaded connection makes the rotation of lead screw 12 in mounting bracket 11 through motor 4 in the inside of mounting bracket 11, because the spacing of casing 25, makes mounting bracket 11 remove on casing 25.
The working principle is as follows:
When the probe clamp is used, the sliding block 19 slides at one end of the first supporting rod 1 through the pulling handle 22, the guide post 20 is driven to move together at the moment, the first spring 21 is compressed, the first supporting rod 1 passes through the through hole in the pressing plate 3, the sliding block 19 is separated from the vertical teeth at one end of the cross rod 2, the first supporting rod 1 can slide on the cross rod 2 at the moment, wherein in the moving process of the first supporting rod 1 to one side of the second supporting rod 7, the sliding block 19 is contacted with the inclined surface on the cross rod 2 under the action of the first spring 21, the handle 22 fixed on the sliding block 19 moves up and down along with the sliding block 19, otherwise, when moving to one side far away from the second supporting rod 7, the sliding block 19 can be moved only through the pulling handle 22, so that the distance between the first supporting rod 1 and the second supporting rod 7 can be changed, and then the distance between the first clamping pin 23 and the second clamping pin 24 can be adjusted.
After the probe is installed, when the welding line is scanned, the box body 13 is adsorbed and tightly attached to the surface of a workpiece through the first strong magnetic wheel 14, the second strong magnetic wheel 15, the third strong magnetic wheel 17 and the fourth strong magnetic wheel 18, the probe is further tightly attached to the workpiece through the torsion spring 9, the encoder 16 records the position information of the welding line along with the movement of the device in the detection process, a vision system can be installed on the device, the vision system detects the distance between the probe and the welding line in real time, when the probe deviates from a welding line scanning path during detection, the vision system converts a measurement deviation value into an electric signal to be sent to the motor 4, the motor 4 drives the screw rod 12 to rotate, the screw rod 12 rotates to drive the mounting support 11 to slide on the shell 25, the connecting frame 8 and the cross rod 2 are driven to move through the mounting support 11, and therefore the position of the probe is adjusted, the probe returns to the correct position, and the vision system is used in an ultrasonic phased array welding line detection scanning frame disclosed by a patent CN 211955330U.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.