CN212693675U

CN212693675U - Power station boiler TOFD appearance of detecting a flaw convenient to one-hand operation

Info

Publication number: CN212693675U
Application number: CN202021562577.9U
Authority: CN
Inventors: 方昉; 郑连学; 贾新; 任文雄; 严碧芳
Original assignee: Wuhan Mingchen Welding Nondestructive Testing Co ltd
Current assignee: Wuhan Mingchen Welding Nondestructive Testing Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-12
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a power plant boiler TOFD appearance of detecting a flaw convenient to one-hand operation relates to the ultrasonic detection field, for the inconvenient carrying of TOFD appearance of detecting a flaw that uses in solving the current power plant boiler detection work among the prior art, makes staff's security reduce, influences operating mass's problem. TOFD check out test set is installed to one side of the appearance of detecting a flaw, TOFD check out test set's preceding terminal surface is provided with the handle, just the sliding plate is installed to the opposite side of the appearance of detecting a flaw, folding lagging is installed to one side of sliding plate, the shoulder cover is installed to one side of folding lagging, the sleeve pipe is installed to the one end of folding lagging, the sleeve pipe passes through the hinge rotation with folding lagging and is connected, just the limiting plate is installed to sheathed tube one side, folding lagging and limiting plate block, the connecting axle is all installed at sheathed tube both ends, the connecting axle rotates with the shoulder cover and is connected, the outside of shoulder cover is provided with spacing draw-in groove, spacing draw-in groove sets up structure as an organic whole with the shoulder.

Description

Power station boiler TOFD appearance of detecting a flaw convenient to one-hand operation

Technical Field

The utility model relates to an ultrasonic detection technical field specifically is a power plant boiler TOFD appearance of detecting a flaw convenient to one-hand operation.

Background

The TOFD technology is firstly proposed by the national non-destructive testing center of Oilk in Hawell, England in the 70 th century, the principle of the TOFD technology is derived from research of diffraction signals of crack tips by the Oilk, diffraction signals of the crack tips are also detected by China academy in the same period, a set of crack height measurement process is developed, but the conventional TOFD detection technology is not developed, the TOFD technology is firstly a detection method, but instruments capable of meeting the requirements of the detection method cannot be developed in time, details are explained in the next part, the TOFD requires a probe to achieve sufficient signal to noise ratio when receiving diffraction waves, the instruments can record A scanning waveforms in the whole course to form D scanning maps, and the A scanning time value can be converted into a depth value by a triangle solving method.

The TOFD ultrasonic flaw detector is an instrument for detecting metal defects, can measure welding joints of various sizes by scanning and checking the whole welding joint once, does not need to calculate the amplitude of diffraction signals when measuring the sizes of the defects, has high sensitivity for all types of defects in various directions, can use two standard coordinates or two hyperbolic coordinates, refers to a first or second cursor to carry out data scaling, uses a hyperbolic cursor to determine the types and the sizes of the defects on a vertical plane and a scanning plane, but the TOFD flaw detector used in the existing power station boiler detection work is inconvenient to carry, so that the safety of workers is reduced, and the working quality is influenced; therefore, the development of the TOFD flaw detector of the power station boiler convenient for one-hand operation is urgently needed by the market to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power plant boiler TOFD appearance of detecting a flaw convenient to one-hand operation to the TOFD appearance of detecting a flaw that uses among the current power plant boiler detection work of proposing in solving above-mentioned background art is inconvenient carries, makes staff's security reduce, influences operating mass's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power plant boiler TOFD appearance of detecting a flaw convenient to one-hand operation, includes the appearance of detecting a flaw, TOFD check out test set is installed to one side of the appearance of detecting a flaw, TOFD check out test set's preceding terminal surface is provided with the handle, just the sliding plate is installed to the opposite side of the appearance of detecting a flaw, folding lagging is installed to one side of sliding plate, the shoulder cover is installed to one side of folding lagging, the sleeve pipe is installed to the one end of folding lagging, the sleeve pipe passes through the hinge rotation with folding lagging and is connected, just the limiting plate is installed to sheathed tube one side, folding lagging and limiting plate block, the connecting axle is all installed at the sheathed tube both ends, the connecting axle rotates with the.

Preferably, the outside of shoulder cover is provided with spacing draw-in groove, spacing draw-in groove sets up structure as an organic whole with the shoulder cover, the appearance of detecting a flaw passes through spacing draw-in groove and shoulder cover block, the externally mounted of appearance of detecting a flaw has the fixed plate, the wire is installed to one side of fixed plate, the wire respectively with appearance and TOFD check out test set electric connection of detecting a flaw.

Preferably, a shoulder strap is installed on one side of the shoulder sleeve, the shoulder strap penetrates through the inside of the shoulder sleeve and is in sliding connection with the shoulder sleeve, an adjusting belt is arranged at the lower end of the shoulder sleeve, the adjusting belt is fixedly connected with the shoulder strap, the shoulder strap is fixedly connected with the shoulder sleeve, a cushion is installed on the inner side of the shoulder sleeve, and the cushion is in adhesive connection with the shoulder sleeve.

Preferably, the outside of sliding plate is provided with the slide rail, the sliding plate passes through slide rail and folding lagging sliding connection, linear guide is installed to the lower extreme of appearance of detecting a flaw, the appearance of detecting a flaw passes through linear guide and appearance sliding connection of detecting a flaw, the inside of appearance of detecting a flaw is provided with the cardboard, just linear guide and cardboard gomphosis.

Preferably, the preceding terminal surface of appearance of detecting a flaw is provided with the display screen, the below of display screen is provided with the switch button, the backup pad is installed to one side of switch button, the fixed port is installed to the opposite side of switch button, the sliding plate passes through the fixed port and is connected with the backup pad, just the handle is installed to one side of appearance of detecting a flaw, the handle passes through fixed screw with the appearance of detecting a flaw and is connected.

Preferably, the backup pad is provided with two, two the backup pad all extends to the appearance of detecting a flaw inside and the appearance swing joint of detecting a flaw, just install the spring between appearance of detecting a flaw and the backup pad, the spring respectively with appearance and backup pad welded connection of detecting a flaw, just two the backup pad card is gone into inside and shoulder cover gomphosis of spacing draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through the shoulder cover, the staff is when detecting power plant boiler damage, often can climb in the eminence, lead to using only one hand to upgrade and carry out work, the handle is handed to the accessible list, it detects power plant boiler surface to grasp TOFD check out test set, the data display that detects is in the display screen top of the instrument face of detecting a flaw, and the appearance of detecting a flaw is connected with the shoulder cover through folding lagging and sliding plate, the staff passes through adjusting band and braces with the shoulder cover and fixes in the upper part of the body outside, thereby can fix the appearance of detecting a flaw in health the place ahead, can be convenient for look over the display screen, and the accessible slides the sliding plate and adjusts the length of sliding plate at folding lagging inside, thereby improve the adaptability, and convenient for use.

2. The utility model discloses a through the setting of backup pad, the staff is climbing the in-process, can contract the sliding plate to folding lagging inside to folding lagging rotates, makes the appearance of detecting a flaw and shoulder cover contact, inside through the backup pad card income shoulder cover inside spacing draw-in groove with both ends, can make the appearance of detecting a flaw fixed mutually with shoulder cover, and keep its stability through the spring, be convenient for use.

Drawings

FIG. 1 is a schematic structural view of a TOFD flaw detector of a utility boiler convenient for one-handed operation according to the present invention;

FIG. 2 is a schematic view of the shoulder strap according to the present invention after being folded;

FIG. 3 is a schematic structural view of the flaw detector of the present invention;

fig. 4 is an internal structure view of the flaw detector of the present invention.

In the figure: 1. a flaw detector; 2. TOFD detection equipment; 3. folding the sheathing board; 4. a sliding plate; 5. a slide rail; 6. a fixing plate; 7. a handle; 8. a wire; 9. a grip; 10. a shoulder sleeve; 11. a sleeve; 12. a connecting shaft; 13. a harness; 14. an adjustment belt; 15. a soft cushion; 16. a limiting clamping groove; 17. a linear guide rail; 18. a limiting plate; 19. a display screen; 20. switching a key; 21. a support plate; 22. a fixed port; 23. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a TOFD flaw detector of a power station boiler convenient for one-hand operation comprises a flaw detector 1, wherein one side of the flaw detector 1 is provided with TOFD detection equipment 2, the front end surface of the TOFD detection equipment 2 is provided with a handle 9, the other side of the flaw detector 1 is provided with a sliding plate 4, one side of the sliding plate 4 is provided with a folding sleeve plate 3, one side of the folding sleeve plate 3 is provided with a shoulder sleeve 10, one end of the folding sleeve plate 3 is provided with a sleeve 11, the sleeve 11 is rotatably connected with the folding sleeve plate 3 through a hinge, one side of the sleeve 11 is provided with a limiting plate 18, the folding sleeve plate 3 is clamped with the limiting plate 18, two ends of the sleeve 11 are respectively provided with a connecting shaft 12, the connecting shafts 12 are rotatably connected with the shoulder sleeve 10, the TOFD detection equipment 2 can be held by a single hand through the handle 9 to detect the surface of the power station boiler, detected data is displayed above a display screen 19 on the surface of the flaw detector 1, the flaw, the worker fixes the shoulder cap 10 to the outside of the upper body through the adjustment belt 14 and the back belt 13, so that the flaw detector 1 can be fixed to the front of the body for easy operation.

Further, the outside of shoulder cover 10 is provided with spacing draw-in groove 16, spacing draw-in groove 16 sets up structure as an organic whole with shoulder cover 10, flaw detector 1 passes through spacing draw-in groove 16 and shoulder cover 10 block, the externally mounted of flaw detector 1 has fixed plate 6, wire 8 is installed to one side of fixed plate 6, wire 8 respectively with flaw detector 1 and TOFD check out test set 2 electric connection, the staff fixes shoulder cover 10 outside the upper part of the body through regulation band 14 and braces 13 to can fix flaw detector 1 in health the place ahead, can be convenient for look over display screen 19.

Furthermore, a shoulder strap 13 is installed on one side of the shoulder sleeve 10, the shoulder strap 13 penetrates through the inside of the shoulder sleeve 10 and is connected with the shoulder sleeve 10 in a sliding manner, an adjusting belt 14 is arranged at the lower end of the shoulder sleeve 10, the adjusting belt 14 is fixedly connected with the shoulder strap 13, the shoulder strap 13 is fixedly connected with the shoulder sleeve 10, a soft cushion 15 is installed on the inner side of the shoulder sleeve 10, the soft cushion 15 is connected with the shoulder sleeve 10 in an adhesion manner, and the abrasion of the shoulder sleeve 10 on shoulders is reduced through the soft cushion 15.

Further, the outside of sliding plate 4 is provided with slide rail 5, sliding plate 4 passes through slide rail 5 and folding lagging 3 sliding connection, linear guide 17 is installed to the lower extreme of appearance of detecting a flaw 1, appearance of detecting a flaw 1 passes through linear guide 17 and 1 sliding connection of appearance of detecting a flaw, the inside of appearance of detecting a flaw 1 is provided with the cardboard, and linear guide 17 and cardboard gomphosis, the accessible slides sliding plate 4 and adjusts the length of sliding plate 4 in folding lagging 3 inside, thereby improve adaptability, be convenient for use.

Further, the preceding terminal surface of flaw detector 1 is provided with display screen 19, the below of display screen 19 is provided with switch button 20, backup pad 21 is installed to one side of switch button 20, fixed mouthful 22 is installed to the opposite side of switch button 20, sliding plate 4 is connected with backup pad 21 through fixed mouthful 22, and one side of flaw detector 1 installs handle 7, handle 7 and flaw detector 1 pass through fixed screw connection, TOFD check out test set 2 detects the power plant boiler surface, the data display that detects is in the display screen 19 top on flaw detector 1 surface.

Further, two supporting plates 21 are arranged, the two supporting plates 21 both extend into the flaw detector 1 and are movably connected with the flaw detector 1, a spring 23 is installed between the flaw detector 1 and the supporting plates 21, the spring 23 is respectively connected with the flaw detector 1 and the supporting plates 21 in a welding mode, the two supporting plates 21 are clamped into the limiting clamping grooves 16 and are embedded into the shoulder sleeves 10, the sliding plate 4 can be retracted into the folding sleeve plate 3 and the folding sleeve plate 3 can be rotated in the climbing process of a worker, the flaw detector 1 is in contact with the shoulder sleeves 10, the supporting plates 21 at the two ends are clamped into the limiting clamping grooves 16 in the shoulder sleeves 10, the flaw detector 1 can be fixed with the shoulder sleeves 10, the stability of the shoulder sleeves is kept through the springs 23, and the use is facilitated.

The working principle is as follows: when in use, when a worker detects the damage of the power station boiler, the worker often climbs at a high position to cause that the worker can only work by using one hand, the worker can retract the sliding plate 4 into the folding sleeve plate 3 and rotate the folding sleeve plate 3 to enable the flaw detector 1 to be in contact with the shoulder sleeve 10 in the climbing process, the supporting plates 21 at two ends are clamped into the limiting clamping grooves 16 in the shoulder sleeve 10 to enable the flaw detector 1 to be fixed with the shoulder sleeve 10 and to maintain the stability of the flaw detector through the springs 23 for convenient use, after the position is reached, the flaw detector 1 can be pulled out, the surface of the power station boiler can be detected by holding the TOFD detection equipment 2 through the single hand-held grip 9, the detected data is displayed above the display screen 19 on the surface of the flaw detector 1, the flaw detector 1 is connected with the shoulder sleeve 10 through the folding sleeve plate 3 and the sliding plate 4, the worker fixes the shoulder sleeve 10 outside the shoulder sleeve 10 on the upper body through the

adjusting belts

14 and 13, therefore, the flaw detector 1 can be fixed in front of the body, the display screen 19 can be conveniently viewed, and the length of the sliding plate 4 in the folding sleeve plate 3 can be adjusted by sliding the sliding plate 4, so that the adaptability is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a power boiler TOFD defectoscope convenient to one-hand operation, includes defectoscope (1), its characterized in that: TOFD check out test set (2) is installed to one side of appearance of detecting a flaw (1), the preceding terminal surface of TOFD check out test set (2) is provided with handle (9), just sliding plate (4) are installed to the opposite side of appearance of detecting a flaw (1), folding lagging (3) is installed to one side of sliding plate (4), shoulder cover (10) are installed to one side of folding lagging (3), sleeve pipe (11) are installed to the one end of folding lagging (3), sleeve pipe (11) are connected through hinge rotation with folding lagging (3), just limiting plate (18) are installed to one side of sleeve pipe (11), folding lagging (3) and limiting plate (18) block, connecting axle (12) are all installed at the both ends of sleeve pipe (11), connecting axle (12) are connected with shoulder cover (10) rotation.

2. The TOFD fault detector for utility boilers convenient to operate by one hand of claim 1, characterized in that: the outside of shoulder cover (10) is provided with spacing draw-in groove (16), spacing draw-in groove (16) set up structure as an organic whole with shoulder cover (10), appearance (1) of detecting a flaw is through spacing draw-in groove (16) and shoulder cover (10) block, the externally mounted of appearance (1) of detecting a flaw has fixed plate (6), wire (8) are installed to one side of fixed plate (6), wire (8) respectively with appearance (1) of detecting a flaw and TOFD check out test set (2) electric connection.

3. The TOFD fault detector for utility boilers convenient to operate by one hand of claim 1, characterized in that: braces (13) are installed to one side of shoulder cover (10), braces (13) pass inside and shoulder cover (10) sliding connection of shoulder cover (10), just the lower extreme of shoulder cover (10) is provided with adjusting band (14), just adjusting band (14) and braces (13) fixed connection, just braces (13) and shoulder cover (10) fixed connection, cushion (15) are installed to the inboard of shoulder cover (10), cushion (15) and shoulder cover (10) adhesive connection.

4. The TOFD fault detector for utility boilers convenient to operate by one hand of claim 1, characterized in that: the novel flaw detection device is characterized in that a sliding rail (5) is arranged outside the sliding plate (4), the sliding plate (4) is in sliding connection with the folding sleeve plate (3) through the sliding rail (5), a linear guide rail (17) is installed at the lower end of the flaw detector (1), the flaw detector (1) is in sliding connection with the flaw detector (1) through the linear guide rail (17), a clamping plate is arranged inside the flaw detector (1), and the linear guide rail (17) is embedded with the clamping plate.

5. The TOFD fault detector for utility boilers convenient to operate by one hand of claim 1, characterized in that: the utility model discloses a flaw detector, including flaw detector (1), preceding terminal surface, the below of display screen (19) is provided with switch button (20), backup pad (21) are installed to one side of switch button (20), fixed mouthful (22) are installed to the opposite side of switch button (20), sliding plate (4) are connected with backup pad (21) through fixed mouthful (22), just handle (7) are installed to one side of flaw detector (1), handle (7) pass through fixed screw with flaw detector (1) and are connected.

6. The TOFD flaw detector for utility boilers convenient to operate by one hand as claimed in claim 5, wherein: backup pad (21) are provided with two, two backup pad (21) all extend to flaw detector (1) inside and flaw detector (1) swing joint, just install spring (23) between flaw detector (1) and backup pad (21), spring (23) respectively with flaw detector (1) and backup pad (21) welded connection, and two inside and shoulder cover (10) gomphosis of spacing draw-in groove (16) are gone into to backup pad (21) card.