CN215812645U

CN215812645U - Flaw detector positioning device

Info

Publication number: CN215812645U
Application number: CN202121698379.XU
Authority: CN
Inventors: 孙德斌; 仝善松; 刘庆斌; 周涛; 谢国言
Original assignee: Shandong Metallographic Nondestructive Testing Co ltd
Current assignee: Shandong Metallographic Nondestructive Testing Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-11
Anticipated expiration: 2031-07-23

Abstract

The utility model relates to a flaw detector positioning device, which relates to the technical field of nondestructive testing and comprises a rack, a driving mechanism and a marking mechanism, wherein the driving mechanism comprises a driving motor and a plurality of magnetic travelling wheels, the magnetic travelling wheels are rotatably connected to the rack, the driving motor is fixedly connected to the rack and is in transmission connection with the magnetic travelling wheels, the marking mechanism comprises an ink box, an ink drawing device, an ink conveying pipe and a spray head, the ink box and the spray head are arranged on the rack, the ink feeding end of the ink drawing device is connected with the ink box, and the ink discharging end of the ink drawing device is connected with the spray head through the ink conveying pipe. The utility model can mark the bin in the flaw detection process, and after flaw detection is finished, a detector can search the position of the bin with defects according to the mark, thereby improving the repairing efficiency.

Description

Flaw detector positioning device

Technical Field

The utility model relates to the field of nondestructive testing, in particular to a flaw detector positioning device.

Background

Flaw detectors can be classified into ultrasonic flaw detectors, magnetic particle flaw detectors, eddy current flaw detectors, radiographic flaw detectors, and fluorescent flaw detectors according to different measurement principles. The flaw detector is used for detecting whether the inside of a workpiece has defects, whether a welding seam is qualified, whether the workpiece has dark flaws or not and the like, so that whether the workpiece is qualified or not is judged.

At present, the announcement day is 2018, 07, 31 days, chinese utility model patent that the announcement number is CN207670524U provides a TOFD detects a flaw and climbs wall robot, and it includes the part of crawling and detects a flaw the part, and the part of crawling sets up on the mounting panel with the part of detecting a flaw, and the part of crawling is including adsorbing in the adsorbent and the crawl wheel of crawling, and the crawl wheel rolls on waiting to detect the work piece. When the crawling wheel rolls on the detected workpiece, the flaw detection component can detect flaws on the workpiece. After the flaw detection is finished, the detection personnel can repair the defective part.

In view of the above-mentioned related art, the inventor believes that, when detecting a work piece such as a bin, it is inconvenient for a detector to move together with a wall-climbing robot for flaw detection, and after completing flaw detection of the bin, the detector cannot easily find the position of a defective part.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flaw detector positioning device for facilitating detection personnel to find out the position of a defective part.

The utility model provides a flaw detector positioning device, which adopts the following technical scheme:

the utility model provides a flaw detector positioner, includes frame, actuating mechanism and marking mechanism, actuating mechanism includes driving motor and a plurality of magnetism walking wheel, magnetism walking wheel rotates to be connected in the frame, driving motor fixed connection be in the frame, just driving motor with magnetism walking wheel transmission is connected, marking mechanism includes ink horn, draws black ware, inking pipe and shower nozzle, ink horn and shower nozzle all set up in the frame, the inking end of drawing black ware with the ink horn is connected, the row's of drawing black ware china ink end passes through inking pipe with the shower nozzle is connected.

By adopting the technical scheme, when the stock bin is subjected to flaw detection, the flaw detector is arranged on the rack, the travelling wheels are placed on the inner wall or the outer wall of the stock bin, and the flaw detector can detect the flaw of the stock bin when the driving mechanism drives the rack to move; in the process of detecting a flaw, the marking mechanism marks the stock bin, and after the flaw detection is finished, a detector can find the position of the defective stock bin according to the mark, so that the repairing efficiency is improved.

Optionally, an adjusting assembly for adjusting the position of the spray head is further arranged on the rack, one end of the adjusting assembly is connected with the rack, and the other end of the adjusting assembly is connected with the spray head.

Through adopting above-mentioned technical scheme, when detecting the feed bin that the diameter is different, can make the position of shower nozzle change through adjustment subassembly for the shower nozzle is suitable apart from the distance of feed bin, has reduced the probability that shower nozzle and feed bin take place the friction, can make the mark point clearer simultaneously, and the follow-up searching mark point of the detection personnel of being convenient for.

Optionally, the adjusting assembly comprises a lead screw, a first guide rod and a placing frame, one end of the lead screw is rotatably connected to the placing frame, the other end of the lead screw is in threaded connection with the rack, one end of the first guide rod is fixedly connected to the placing frame, the other end of the first guide rod is arranged in the rack in a penetrating mode and connected with the rack in a sliding mode, the lead screw is parallel to the first guide rod, and the spray head is fixedly connected to the placing frame.

Through adopting above-mentioned technical scheme, before detecting the feed bin, rotate the lead screw according to the diameter of feed bin earlier, and then accomplish the adjustment of shower nozzle position, later place the magnetism walking wheel on the inner wall or the outer wall of feed bin again to reduce the probability that shower nozzle and feed bin take place the friction, improve the definition of mark point simultaneously.

Optionally, the adjustment assembly comprises a first guide rod, a rack, a support rod and a first compression spring, one end of the first guide rod is fixedly connected with the rack, the other end of the first guide rod penetrates through the rack and is connected with the rack in a sliding manner, the first compression spring is sleeved on the first guide rod, one end of the first compression spring is abutted against the rack, the other end of the first compression spring is abutted against the rack, and the support rod is fixedly connected with the spray head on the rack.

Through adopting above-mentioned technical scheme, when examining the feed bin, directly place magnetism walking wheel on the inner wall or the outer wall of feed bin, under first compression spring's elasticity effect, the bracing piece is with the inner wall or the outer wall butt of feed bin, so the shower nozzle just can keep invariable with the inner wall or the distance of outer wall of feed bin to in the probability of friction takes place for reduction shower nozzle and feed bin, improve the definition of mark point simultaneously.

Optionally, the adjusting assembly further comprises a supporting wheel, and the supporting wheel is rotatably connected to one end, far away from the placing rack, of the supporting rod.

Through adopting above-mentioned technical scheme, place the back on the inner wall or the outer wall of feed bin with the magnetism walking wheel, the supporting wheel butt is on the inner wall or the outer wall of feed bin, and at the in-process that the frame removed, the supporting wheel takes place to roll thereupon, can roll the welding seam when the supporting wheel walks to welding seam department, has reduced the probability that the bracing piece card dies in welding seam department.

Optionally, a first limiting block is fixedly connected to the rack in a detachable mode, and the first limiting block is abutted to one end, far away from the first compression spring, of the placing frame.

Through adopting above-mentioned technical scheme, when first compression spring promoted the rack and slided towards the direction of keeping away from the frame, the sliding distance of rack can be restricted to first stopper, reduces the probability that first guide bar deviates from the frame.

Optionally, the ink cartridge includes a cartridge body and an ink pushing block, the cartridge body is fixedly connected to the frame, the ink pushing block is connected to the cartridge body in a sliding manner, an ink feeding end of the ink sucking device is connected to an end of the cartridge body, which is far away from the ink pushing block, an ink pushing assembly is further provided on the frame, the ink pushing assembly drives the ink pushing block to slide, and the ink pushing assembly is connected to the ink pushing block.

Through adopting above-mentioned technical scheme, with the ink horn installation back in the frame, push away the trend that the china ink subassembly has the promotion all the time and pushes away the black piece, when the inking end of drawing the china ink ware is located the top of box body, push away the china ink subassembly alright with the ink promote to drawing the china ink ware in, reduce the unable inkjet probability of shower nozzle.

Optionally, the ink pushing assembly includes a second compression spring, one end of the second compression spring is fixedly connected to the frame, and the other end of the second compression spring abuts against the ink pushing block.

Through adopting above-mentioned technical scheme, with the ink horn installation back in the frame, second compression spring has the trend that promotes to push away the ink stick all the time, and then promotes the ink to swabbing the china ink ware in, reduces the unable inkjet probability of shower nozzle.

Optionally, push away black subassembly and still include second guide bar and second stopper, the second guide bar slides and connects in the frame, the second compression spring cover is established on the second guide bar, second stopper fixed connection is in the second guide bar is close to push away the one end of black piece, second compression spring keeps away from the one end of frame with the butt of second stopper.

Through adopting above-mentioned technical scheme, when the quantity of ink horn was more in the ink horn, the second compression spring was in by compression state, and the second guide bar can lead to the second compression spring this moment, has reduced the probability that the second compression spring damaged.

Optionally, the ink pushing assembly further comprises a third limiting block, the second guide rod penetrates through the rack, the third limiting block is detachably and fixedly connected to one end, away from the second limiting block, of the second guide rod, and the third limiting block can be abutted to the rack.

Through adopting above-mentioned technical scheme, when pulling down the ink horn from the frame, second compression spring promotes the second stopper and slides towards the direction of keeping away from the third stopper, and third stopper and frame butt have reduced the probability that the second guide bar drops from the frame this moment.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. through the setting of marking mechanism, at the in-process of detecting a flaw, marking mechanism can mark the feed bin, and after finishing detecting a flaw, testing personnel can look for the position that the feed bin has the defect according to the mark, has improved the efficiency of repairing.

2. Through the setting of adjustment subassembly, when detecting the different feed bin of diameter, can make the position of shower nozzle change through adjustment subassembly for the shower nozzle is suitable apart from the distance of feed bin, has reduced the probability that shower nozzle and feed bin take place the friction, can make the mark point clearer simultaneously, and the follow-up searching mark point of the detection personnel of being convenient for.

3. Through pushing away the setting of black subassembly, with the back of ink horn installation in the frame, push away black subassembly and have the trend that promotes and push away the black piece all the time, when the upper ink end of drawing the black ware is located the top of box body, push away black subassembly alright with ink promote to drawing the black ware in, reduce the unable inkjet probability of shower nozzle.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic cross-sectional view of an ink pushing assembly in example 1 of the present application;

FIG. 3 is a schematic view of the overall structure of embodiment 2 of the present application;

fig. 4 is a schematic front view of an adjusting assembly in embodiment 2 of the present application.

Description of reference numerals: 100. a frame; 110. accommodating grooves; 200. a drive mechanism; 210. a drive motor; 220. magnetic traveling wheels; 300. a marking mechanism; 310. an ink cartridge; 311. a box body; 312. pushing the ink block; 320. an ink catcher; 330. an ink delivery tube; 340. a spray head; 400. an adjustment assembly; 410. placing a rack; 420. a first guide bar; 430. a lead screw; 440. a first compression spring; 450. a support bar; 460. a support wheel; 470. a first stopper; 471. connecting blocks; 500. an ink pushing assembly; 510. a second compression spring; 520. a second guide bar; 530. a second limiting block; 540. and a third limiting block.

Detailed Description

The utility model is described in further detail below with reference to figures 1-4.

Example 1:

the embodiment of the application provides a flaw detector positioning device. Referring to fig. 1, the flaw detector positioning apparatus includes a rack 100, and a driving mechanism 200 for driving the rack 100 to move and a marking mechanism 300 for marking on a bin are provided on the rack 100. The driving mechanism 200 includes a driving motor 210 and a plurality of magnetic road wheels 220, in this embodiment, there are four magnetic road wheels 220, and the magnetic road wheels 220 are rotatably connected to the rack 100. The number of the driving motors 210 is the same as that of the magnetic travelling wheels 220, one driving motor 210 corresponds to one magnetic travelling wheel 220, the driving motor 210 is fixedly connected to the frame 100 through a screw, and the output shaft of the driving motor 210 is coaxially and fixedly connected with the magnetic travelling wheels 220 through a shaft coupling.

When the flaw detector is used, the flaw detector is installed on the rack 100, the magnetic travelling wheels 220 are placed on the inner wall or the outer wall of the bin, and the magnetic travelling wheels 220 are attracted to the inner wall or the outer wall of the bin under the action of self magnetism. The driving motor 210 drives the magnetic travelling wheel 220 to rotate, so that the rack 100 can move on the storage bin, and the flaw detector can detect flaws on the storage bin; the flaw detector positioning device can be steered on the storage bin by controlling the driving motors 210 to enable the rotating speeds of the driving motors 210 to be different.

Referring to fig. 1 and 2, the marking mechanism 300 includes an ink tank 310 for storing ink, an ink supply tube 330 for supplying ink to an ink scoop 320 for sucking ink from the ink tank 310, and a head 340 for spraying ink. The ink cartridge 310 includes a cartridge body 311 and an ink pushing block 312, wherein an opening is provided at one end of the cartridge body 311, and the ink pushing block 312 penetrates through the cartridge body 311 from the opening. The ink inlet end of the ink scooper 320 is connected to the end of the cartridge 311 away from the ink pushing block 312, and the ink outlet end of the ink scooper 320 is connected to the nozzle 340 through the ink tube 330. The ink scooper 320 picks up ink from the ink cartridge 310, transfers the ink to the head 340, and then ejects the ink through the head 340.

Referring to fig. 1 and 2, the marking mechanism 300 may further include a remote controller (not shown), which is electrically connected to the spray head 340. When the flaw detector detects that the bin has a flaw, the inspector can control the spray head 340 to spray ink through the remote controller, so that the position where the bin has the flaw can be marked, and the inspector can conveniently find the position where the bin has the flaw. In other embodiments, the marking mechanism 300 may further include a timer (not shown) in electrical communication with the spray head 340. When the flaw detector starts to detect the bin, the timer starts to time; the ink is ejected from the nozzles 340 at intervals under the control of a timer, so that the bins are marked at intervals. When the flaw detector detects that the bin has a defect, the detector can record the time at the moment, and after the detection is finished, the detector can search for a corresponding mark point according to the record, so that the detector can conveniently search for the part with the defect.

Referring to fig. 1 and 2, the cartridge 311 is detachably and fixedly connected to the frame 100 by screws, and the ink pushing block 312 is connected to the frame 100 by the ink pushing assembly 500. The ink pushing assembly 500 includes a second compression spring 510, a second guide rod 520, a second limiting block 530 and a third limiting block 540, the second guide rod 520 is disposed on the rack 100, and the second guide rod 520 is connected with the rack 100 in a sliding manner along the length direction thereof. The second limiting block 530 is welded or screwed at one end of the second guiding rod 520 close to the ink pushing block 312, and the third limiting block 540 is welded or screwed at one end of the second guiding rod 520 far away from the ink pushing block 312. The second compression spring 510 is sleeved on the second guide rod 520, one end of the second compression spring 510 abuts against the second limiting block 530, and the other end of the second compression spring 510 is clamped on the rack 100. An end surface of the frame 100 adjacent to the ink cartridge 310 is formed with a receiving groove 110, and the second compression spring 510 is disposed in the receiving groove 110.

After the cartridge 311 is fixed to the frame 100, the second stopper 530 abuts against the ink pushing block 312, and the ink pushing block 312 always tends to slide away from the frame 100 under the elastic force of the compression spring, so as to push the ink in the cartridge 311 toward the ink catcher 320. When the box body 311 is detached from the rack 100, the compression spring pushes the second stopper 530 to slide in a direction away from the rack 100, and at this time, the third stopper 540 abuts against an end surface of the rack 100 away from the second stopper 530, thereby reducing the probability that the second guide rod 520 falls off from the rack 100.

Referring to fig. 1 and 2, the spray head 340 is coupled to the frame 100 by an adjustment assembly 400, and the adjustment assembly 400 includes a holder 410 for mounting the spray head 340, a first guide rod 420 for guiding the holder 410, and a lead screw 430 for driving the holder 410 to move. One end of the first guide rod 420 is connected to the rack 410 by a screw or welded thereto, and the other end of the first guide rod 420 is inserted into the rack 100 and slidably connected to the rack 100. One end of the lead screw 430 is rotatably connected to the placing frame 410, and the other end of the lead screw 430 penetrates through the rack 100 and is in threaded connection with the rack 100. The spray head 340 is fixedly connected to the placing frame 410 through screws, and the spray head 340 faces to the side far away from the rack 100.

When detecting the different feed bin of diameter, the testing personnel accessible rotates lead screw 430 and makes rack 410 and frame 100 take place relative slip, and then adjusts the interval between shower nozzle 340 and the frame 100 for shower nozzle 340 is suitable apart from the distance of feed bin, has reduced the probability that shower nozzle 340 takes place the friction with the feed bin, can make the mark point more clear simultaneously, and the follow-up searching mark point of testing personnel of being convenient for.

The implementation principle of the flaw detector positioning device in the embodiment of the application is as follows:

before detection, a detector rotates the lead screw 430 according to the diameter of the storage bin to adjust the distance between the spray head 340 and the rack 100; then install the detection instrument on frame 100 to place magnetism walking wheel 220 on the feed bin, under the magnetic force effect of magnetism walking wheel 220, frame 100 is adsorbed on the feed bin, and the adjustment effect of adjustment subassembly 400 makes the interval between shower nozzle 340 and the feed bin suitable simultaneously. In the process that the rack 100 moves from the stock bin, the probability of friction between the spray head 340 and the stock bin is reduced, and meanwhile, the mark points can be clearer, so that detection personnel can conveniently find the mark points subsequently. In the detection process, the second compression spring 510 pushes the ink pushing block 312 to move, so as to push the ink in the cartridge 311 toward the ink scooper 320, so that when the rack 100 is in any posture, the ink scooper 320 can suck the ink from the cartridge 311, and the probability that the nozzle 340 cannot jet ink is reduced.

Example 2:

the embodiment of the application provides a flaw detector positioning device. Referring to fig. 3 and 4, the embodiment of the present application is different from embodiment 1 in that the adjusting assembly 400 includes a holder 410 for mounting the injection head 340, a first guide rod 420 for guiding the holder 410, and a first compression spring 440 for driving the holder 410 to move. One end of the first guide rod 420 is connected to the rack 410 by a screw or welded thereto, and the other end of the first guide rod 420 is inserted into the rack 100 and slidably connected to the rack 100. The spray head 340 is fixedly connected to the placing frame 410 through screws, and the spray head 340 faces to the side far away from the rack 100. The first compression spring 440 is sleeved on the first guide rod 420, one end of the first compression spring 440 abuts against the placing frame 410, and the other end of the first compression spring 440 abuts against the rack 100. The rack 410 always has a large tendency to slide away from the rack 100 by the elastic force of the first compression spring 440.

Referring to fig. 3 and 4, the adjusting assembly 400 further includes a supporting rod 450 and a supporting wheel 460, the supporting rod 450 is fixedly connected to an end surface of the placing frame 410 away from the first guiding rod 420 through a screw, and the supporting wheel 460 is rotatably connected to an end of the supporting rod 450 away from the placing frame 410. After the magnetic travelling wheels 220 are placed on the inner wall or the outer wall of the storage bin, the supporting wheels 460 abut against the inner wall or the outer wall of the storage bin, so that the constant distance between the spray head 340 and the storage bin can be ensured. In the moving process of the rack 100, the supporting wheel 460 rolls on the bin and can roll over the welding seam when the supporting wheel 460 runs to the welding seam, so that the probability that the supporting rod 450 is stuck at the welding seam is reduced.

Referring to fig. 3 and 4, the adjusting assembly 400 further includes a first stopper 470 for preventing the first guide rod 420 from being detached from the frame 100, and the first stopper 470 is detachably and fixedly connected to the frame 100 by a connecting block 471. After the detection personnel take the rack 100 off from the stock bin, the first compression spring 440 drives the placing frame 410 to slide towards the first limiting block 470 until the end, far away from the first compression spring 440, of the placing frame 410 abuts against the first limiting block 470, and at this time, the placing frame 410 cannot be driven by the first compression spring 440 continuously, so that the probability that the first guide rod 420 is disengaged from the rack 100 is reduced.

this application embodiment is roughly the same with embodiment 1's implementation principle, and its difference lies in, after detection personnel placed frame 100 on the feed bin and made magnetism walking wheel 220 adsorb on the feed bin, supporting wheel 460 just can the butt on the feed bin, and then makes the interval between shower nozzle 340 and the feed bin invariable. In the preparation stage before detection, the detection personnel do not need to manually adjust the adjusting assembly 400, so that the preparation efficiency is improved.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A flaw detector positioning device is characterized by comprising a frame (100), a driving mechanism (200) and a marking mechanism (300), the driving mechanism (200) comprises a driving motor (210) and a plurality of magnetic travelling wheels (220), the magnetic travelling wheel (220) is rotationally connected to the rack (100), the driving motor (210) is fixedly connected to the rack (100), and the driving motor (210) is in transmission connection with the magnetic travelling wheel (220), the marking mechanism (300) comprises an ink box (310), an ink sucking device (320), an ink conveying pipe (330) and a spray head (340), the ink box (310) and the spray head (340) are arranged on the frame (100), the ink feeding end of the ink sucking device (320) is connected with the ink box (310), and the ink discharging end of the ink sucking device (320) is connected with the spray head (340) through the ink conveying pipe (330).

2. The flaw detector positioning device according to claim 1, wherein: the frame (100) is further provided with an adjusting component (400) for adjusting the position of the spray head (340), one end of the adjusting component (400) is connected with the frame (100), and the other end of the adjusting component (400) is connected with the spray head (340).

3. The flaw detector positioning device according to claim 2, wherein: the adjusting assembly (400) comprises a lead screw (430), a first guide rod (420) and a placing frame (410), one end of the lead screw (430) is rotatably connected to the placing frame (410), the other end of the lead screw (430) is in threaded connection with the rack (100), one end of the first guide rod (420) is fixedly connected to the placing frame (410), the other end of the first guide rod (420) is arranged on the rack (100) in a penetrating mode and connected with the rack (100) in a sliding mode, the lead screw (430) is parallel to the first guide rod (420), and the spray head (340) is fixedly connected to the placing frame (410).

4. The flaw detector positioning device according to claim 2, wherein: the adjusting assembly (400) comprises a first guide rod (420), a placing frame (410), a supporting rod (450) and a first compression spring (440), one end of the first guide rod (420) is fixedly connected with the placing frame (410), the other end of the first guide rod (420) penetrates through the rack (100) and is connected with the rack (100) in a sliding mode, the first compression spring (440) is sleeved on the first guide rod (420), one end of the first compression spring (440) is abutted to the placing frame (410), the other end of the first compression spring (440) is abutted to the rack (100), and the supporting rod (450) and the spray head (340) are fixedly connected to the placing frame (410).

5. The flaw detector positioning device according to claim 4, wherein: the adjusting assembly (400) further comprises a supporting wheel (460), and the supporting wheel (460) is rotatably connected to one end, far away from the placing rack (410), of the supporting rod (450).

6. The flaw detector positioning device according to claim 4, wherein: the rack (100) is detachably and fixedly connected with a first limiting block (470), and the first limiting block (470) is abutted to one end, far away from the first compression spring (440), of the placing frame (410).

7. The flaw detector positioning apparatus according to any one of claims 1 to 6, wherein: the ink box (310) comprises a box body (311) and an ink pushing block (312), the box body (311) is fixedly connected to the rack (100), the ink pushing block (312) is connected with the box body (311) in a sliding mode, the ink feeding end of the ink sucking device (320) is connected with one end, far away from the ink pushing block (312), of the box body (311), an ink pushing assembly (500) for driving the ink pushing block (312) to slide is further arranged on the rack (100), and the ink pushing assembly (500) is connected with the ink pushing block (312).

8. The flaw detector positioning device according to claim 7, wherein: the ink pushing assembly (500) comprises a second compression spring (510), one end of the second compression spring (510) is fixedly connected to the rack (100), and the other end of the second compression spring (510) abuts against the ink pushing block (312).

9. The flaw detector positioning device according to claim 8, wherein: push away black subassembly (500) and still include second guide bar (520) and second stopper (530), second guide bar (520) slide to be connected in frame (100), second compression spring (510) cover is established on second guide bar (520), second stopper (530) fixed connection be in second guide bar (520) are close to push away the one end of ink stick (312), second compression spring (510) are kept away from the one end of frame (100) with second stopper (530) butt.

10. The flaw detector positioning device according to claim 9, wherein: push away black subassembly (500) and still include third stopper (540), second guide bar (520) wear to establish on frame (100), fixed connection can be dismantled in third stopper (540) is in second guide bar (520) is kept away from the one end of second stopper (530), third stopper (540) can with frame (100) butt.