CN210720275U

CN210720275U - Manual scanner

Info

Publication number: CN210720275U
Application number: CN201921141361.2U
Authority: CN
Inventors: 李健; 张宏亮; 曹立江; 陈宝龙; 李宝超
Original assignee: Langwei Xinsiwei Science & Technology Co ltd
Current assignee: Langwei Xinsiwei Science & Technology Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-09
Anticipated expiration: 2029-07-19

Abstract

The application provides a manual scanner, which comprises 2 frame bodies and connecting rods arranged between the 2 frame bodies; the bottom of the frame body is provided with a magnetic wheel; a braking device for locking the magnetic wheel is arranged in the frame body; the connecting rod is provided with at least one probe clamping device. The beneficial effect of this application: when the manual scanner needs to perform scanning work, the probe is fixed on the probe clamping device, the magnetic wheel is adsorbed on the detection surface, the brake device is released, and the manual scanner is pushed to detect the weld; when the manual scanner needs to be suspended, the brake device of the manual scanner is started, the manual scanner is locked, and the manual scanner is not easy to slide.

Description

Manual scanner

Technical Field

The application relates to the technical field of welding seam detection, in particular to a manual scanning device.

Background

The weld quality detection is mainly used for ensuring the integrity, reliability, safety and usability of a welded structure. For example, in the case of pressure pipes, many of the media to be transported inside are liquefied gas, vapor, flammable and explosive liquid, toxic liquid, or corrosive liquid, and once leakage occurs, not only energy loss is caused, but also safety accidents such as explosion are likely to occur, so that it is necessary to perform weld seam detection. The conventional means for detecting the welding seam is ultrasonic detection, and the conventional ultrasonic detection scanner has the problems that the scanner cannot be locked and is easy to slide.

Disclosure of Invention

The application aims to solve the problems and provides a manual scanner.

The application provides a manual scanner, which comprises 2 frame bodies and connecting rods arranged between the 2 frame bodies; the bottom of the frame body is provided with a magnetic wheel; a braking device for locking the magnetic wheel is arranged in the frame body; the connecting rod is provided with at least one probe clamping device. By adopting the technical scheme, when scanning work is required, the probe is fixed on the probe clamping device, the magnetic wheel is adsorbed on a detection surface, the brake of the brake device is released, and the manual scanner is pushed to detect the weld; when the manual scanner needs to be suspended, the brake device of the manual scanner is started, the manual scanner is locked, and the manual scanner is not easy to slide.

According to the technical scheme provided by some embodiments of the application, the braking device comprises a pressure plate and a brake pad; the brake block is arranged above the magnetic wheel and is hinged with one end of the pressure plate; the middle part of the pressure plate is hinged with the frame body; a guide pillar capable of sliding up and down is arranged above one end of the pressing plate, which is far away from the brake pad; a handle is arranged above the guide post; the handle is rotatably connected to the frame body.

According to the technical scheme provided by some embodiments of the application, the probe clamping device comprises a steering seat arranged on the connecting rod; an angle adjusting plate is fixedly arranged on the steering seat; the angle adjusting plate is rotatably connected with a bogie; a connecting rod is fixedly connected to the bogie; the lower end of the connecting rod is rotatably connected with a probe clamping arm.

According to the technical scheme provided by certain embodiments of the application, the connecting rod comprises a first connecting rod and a second connecting rod which is connected to the first connecting rod in a sliding mode and used for adjusting the height of the probe clamping arm.

According to the technical scheme provided by some embodiments of the application, the probe clamping device further comprises a spring support arm fixedly connected to the steering seat; a spring is arranged between the spring support arm and the bogie.

According to the technical scheme provided by some embodiments of the application, the angle adjusting plate is provided with a limiting groove for limiting the rotation range of the bogie.

According to the technical scheme provided by certain embodiments of the application, the probe clamping device is slidably arranged on one side of the connecting rod.

According to the technical scheme provided by some embodiments of the application, one of the frame bodies is provided with a water separator and a water injection port.

According to the technical scheme provided by some embodiments of the application, an encoder is arranged on one frame body.

The beneficial effect of this application: when scanning work is required, the probe is fixed on the probe clamping device, the magnetic wheel is adsorbed on the detection surface, the brake of the brake device is released, and the manual scanner is pushed to detect the weld; when the manual scanner needs to be suspended, the brake device of the manual scanner is started, the manual scanner is locked, and the manual scanner is not easy to slide.

Drawings

Fig. 1 is a schematic structural diagram of a manual scanner provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a braking device of a manual scanner provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a probe clamping device of a manual scanner according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a steering seat of the manual scanner according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a frame body of the manual scanner according to an embodiment of the present application.

The text labels in the figures are represented as:

1. a frame body; 2. a connecting rod; 3. a magnetic wheel; 4. pressing a plate; 5. a brake pad; 6. a brake shaft; 7. a cylindrical screw; 8. a guide post; 9. a handle; 10. plugging and screwing screws; 11. a steering seat; 12. firstly, installing a nut; 13. an angle adjusting plate; 14. a bogie; 15. a limiting groove; 16. step screws; 17. a first link; 18. a second link; 19. a probe gripping arm; 20. a spring support arm; 21. a spring; 22. a water separator; 23. a water injection port; 24. an encoder; 25. a probe clamping device.

Detailed Description

The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.

Referring to fig. 1, the present embodiment provides a manual scanner, which includes 2 frame bodies 1 and a connecting rod 2 disposed between the 2 frame bodies 1; the bottom of each frame body 1 is provided with 2 magnetic wheels 3; a braking device for locking the magnetic wheel 3 is arranged in the frame body 1; at least one probe clamping device 25 is arranged on the connecting rod 2. In this embodiment, the connecting rod 2 is provided with 2 pairs of probe clamping devices 25, and the 2 pairs of probe clamping devices 25 are respectively disposed on two sides of the connecting rod 2, wherein one pair of probe clamping devices 25 is used for clamping a PAUT (phased array ultrasonic testing) probe, and the other pair of probe clamping devices 25 is used for clamping a TODF (time difference diffraction ultrasonic testing) probe. In other embodiments of the present application, the number of the probe clamping devices 25 can be set according to actual detection requirements.

Referring further to fig. 2, in a preferred embodiment, the braking device includes a pressure plate 4 and a brake pad 5; the brake block 5 is arranged above one of the magnetic wheels 3, the lower surface of the brake block 5 is an arc-shaped surface, and when the braking device is started, the brake block 5 can be tightly attached to the magnetic wheel 3; one end of the brake block 5, which is far away from the magnetic wheel 3, is hinged with one end of the pressure plate 4 through a brake shaft 6; the middle part of the pressure plate 4 is hinged with the frame body 1 through a cylindrical screw 7; a guide post 8 capable of sliding up and down is arranged above one end of the pressure plate 4 far away from the brake pad 5; a handle 9 is arranged above the guide post 8; the handle 9 is rotatably connected to the frame body 1 through a tucking screw 10; the handle 9 comprises a handle rod for holding and a handle head with an oval section, and when the brake device is in a state, the upper end of the guide post 8 is positioned at the joint of the handle rod and the handle head. When the handle 9 is held tightly, the handle rod is lifted, the handle head rotates and presses the guide post 8 to slide downwards, so that one end of the pressing plate 4, which is in contact with the guide post 8, moves downwards, one end of the pressing plate 4, which is far away from the guide post 8, moves upwards according to a lever principle, and drives the brake pad 5 connected with the pressing plate to move upwards, so that the brake pad 5 is separated from the magnetic wheel 3, the brake device releases braking, and the scanning device can perform scanning work; when the scanning work is required to be suspended, the handle 9 is released, the brake pad 5 is attracted to be locked with the magnetic wheel 3 under the action of the magnetic force of the magnetic wheel 3, and the brake device is started.

With further reference to fig. 3 and 4, in a preferred embodiment, the probe gripping device 25 includes a steering seat 11 mounted on the connecting rod 2; the connecting rod 2 is provided with scale values to display the position of the probe clamping device 25; functional grooves are formed in four sides of the connecting rod 2 along the length direction of the connecting rod, a first-installed nut 12 is installed on the steering seat 11, the first-installed nut 12 can slide along the functional grooves, so that the probe clamping device 25 can slide along the functional grooves of the connecting rod 2 to adjust the position of the probe, and the probe clamping device 25 and the connecting rod 2 are fixedly connected after sliding to a proper position as required; an angle adjusting plate 13 is fixedly arranged on the steering seat 11; the angle adjusting plate 13 is rotatably connected with a bogie 14; the angle adjusting plate 13 is provided with scale values to display the rotating angle of the bogie 14 relative to the angle adjusting plate 13; the angle adjusting plate 13 is provided with a limiting groove 15 for limiting the rotation range of the bogie 14, the angle adjusting plate 13 and the bogie 14 are rotatably connected through 2 step screws 16, wherein 1 step screw 16 penetrates through the limiting groove 15, when the angle of the probe needs to be adjusted, the step screws 16 are loosened for adjustment, and the step screws 16 are screwed down after the adjustment to a proper position; a connecting rod is fixedly connected to the bogie 14; the connecting rods comprise a first connecting rod 17 and a second connecting rod 18 which is connected to the first connecting rod 17 in a sliding mode and used for adjusting the height of the probe, and the first connecting rod 17 is fixedly connected with the second connecting rod 18 through screws; the lower end of the second connecting rod 18 is rotatably connected with a probe clamping arm 19, and the probe clamping arm 19 is arranged in a U shape; the probe is fixed to the probe holding arm 19 by a screw-type holding pin provided at the tip of the probe holding arm 19.

In a preferred embodiment, the probe holder 25 further comprises a spring arm 20 fixedly connected to the steering base 11; a spring 21 is arranged between the spring support arm 20 and the bogie 14, and the spring 21 presses the probe downwards through a connecting rod, so that the probe is better attached to a detection surface, and the scanning quality is ensured.

Referring to fig. 5, in a preferred embodiment, one of the frame bodies 1 is provided with water distributors 22 and water injection ports 23, the number of the water outlets of the water distributors 22 is equal to the number of probes to be clamped, in this embodiment, the number of the water outlets of the water distributors 22 is 4, when coupling is required, the water injection ports 23 are connected to a water source through a water pipe, and each water outlet of the water distributor 22 is connected to a water injection hole of a probe through a rubber pipe, so that coupling can be provided for the scanner.

In a preferred embodiment, one of the shelves 1 is provided with the encoder 24, the encoder 24 is connected with an external device through an encoder line, and the encoder 24 is arranged on the shelf 1, so that the space is saved.

When the manual scanner provided by the embodiment of the application is used, the magnetic wheels 3 on two sides of the manual scanner are adsorbed on a pipe to be detected, the probe is installed on the probe clamping arm 19, the height of the probe is adjusted by adjusting the relative position of the second connecting rod 18 and the first connecting rod 17, the angle of the probe is adjusted by rotating the bogie 14 and the probe clamping arm 19, so that the probe is perfectly attached to detection surfaces with different pipe diameters, a worker tightly holds the handle 9 to push the manual scanner to move forwards for scanning, meanwhile, the water separator 22 provides convenient coupling for the scanner, and the encoder 24 transmits data to external equipment through an encoder line; when the scanner needs to be suspended, the braking device of the scanner can be started by loosening the handle 9, so that the scanner can be locked at any angle and any position without being held by hands and can not slide.

The manual scanner provided by the embodiment of the application can lock the scanner at any angle and at any position by arranging the braking device, so that the scanner is prevented from sliding; the angle of the probe can be adjusted by arranging the rotatable bogie 14 and the rotatable probe clamping arm 19, so that the maximum fit between the probe and a pipe is ensured, the scanner can detect the welding seam of the pipe, and can detect the flat welding seam when the probe is adjusted to a proper angle; coupling of the scanner can be achieved by incorporating a water separator 22 in the frame 1.

The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.

Claims

1. A manual scanner is characterized by comprising 2 rack bodies (1) and connecting rods (2) arranged among the 2 rack bodies (1); the bottom of the frame body (1) is provided with a magnetic wheel (3); a braking device for locking the magnetic wheel (3) is arranged in the frame body (1); the connecting rod (2) is provided with at least one probe clamping device (25).

2. The manual scanner according to claim 1, wherein said braking means comprise a pressure plate (4) and a brake pad (5); the brake block (5) is arranged above the magnetic wheel (3) and is hinged with one end of the pressing plate (4); the middle part of the pressure plate (4) is hinged with the frame body (1); a guide post (8) capable of sliding up and down is arranged above one end of the pressing plate (4) far away from the brake pad (5); a handle (9) is arranged above the guide post (8); the handle (9) is rotatably connected to the frame body (1).

3. The manual scanner according to claim 1, characterized in that said probe gripping means (25) comprise a steering seat (11) mounted on said connecting rod (2); an angle adjusting plate (13) is fixedly arranged on the steering seat (11); the angle adjusting plate (13) is rotatably connected with a bogie (14); a connecting rod is fixedly connected to the bogie (14); the lower end of the connecting rod is rotatably connected with a probe clamping arm (19).

4. A manual scanner according to claim 3, wherein said links comprise a first link (17) and a second link (18) slidably connected to said first link (17) for adjusting the height of said probe gripping arm (19).

5. A manual scanner according to claim 3, wherein said probe gripping means (25) further comprises a spring arm (20) fixedly connected to said steering seat (11); and a spring (21) is arranged between the spring support arm (20) and the bogie (14).

6. The manual scanner according to claim 3, wherein the angle adjusting plate (13) is provided with a limiting groove (15) for limiting the rotation range of the bogie (14).

7. A manual scanner according to claim 1, wherein the probe gripping means (25) is slidably mounted on one side of the connecting rod (2).

8. The manual scanner according to claim 1, wherein one of said frames (1) is provided with a water separator (22) and a water injection port (23).

9. Manual scanner according to claim 1, characterized in that an encoder (24) is provided on one of said frames (1).