CN211014139U

CN211014139U - Ultrasonic flaw detection device

Info

Publication number: CN211014139U
Application number: CN201922088819.9U
Authority: CN
Inventors: 宋昆晟; 唐涛; 牟越; 及红超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-14
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses an ultrasonic flaw detection device, which comprises two brackets and a base, wherein a fixed frame is welded at one side adjacent to the upper part of the brackets, a through hole is arranged inside the fixed frame, a groove is arranged on the outer side wall below the brackets, a clamping block is slidably connected inside the groove, a sliding rod is welded at the bottom of the clamping block, a cavity is arranged inside the clamping block, a motor is fixedly connected inside the cavity, a rotating rod is rotatably connected inside the cavity, a roller is sleeved on the outer side wall of the rotating rod, a rod body is rotatably connected inside the brackets, a first bevel gear is uniformly sleeved on the outer side wall of the rod body, one end of the supporting rod far away from the connecting rod is fixedly connected with an ultrasonic probe which is uniformly distributed, the application range can be improved and the working strength of operators can be effectively reduced by correspondingly adjusting the specification size of a steel pipe, meanwhile, the accuracy in detection is improved.

Description

Ultrasonic flaw detection device

Technical Field

The utility model relates to an ultrasonic flaw detection technical field specifically is an ultrasonic flaw detection device.

Background

Ultrasonic flaw detection is a method for detecting the flaw of a part by using the characteristic that ultrasonic energy penetrates into the depth of a metal material and is reflected at the edge of an interface when the ultrasonic energy enters another section from the section. Ultrasonic waves have various modes when propagating in a medium, and longitudinal waves, transverse waves, surface waves and plate waves are most commonly used in inspection. The longitudinal wave can be used for detecting the defects of inclusions, cracks, pipe shrinkage, white spots, layering and the like in metal cast ingots, blanks, medium plates, large forgings and parts with simpler shapes; the transverse wave can be used for detecting the defects of circumferential and axial cracks, scratches, air holes in welding seams, slag inclusion, cracks, incomplete penetration and the like in the pipe; surface defects on a simply shaped casting can be detected with surface waves; the defects in the thin plate can be detected by using plate waves, when the ultrasonic waves are transmitted in a medium, the ultrasonic waves have the characteristic of reflection on a heterogeneous interface, if the defects are encountered, and the size of the defects is equal to or larger than the wavelength of the ultrasonic waves, the ultrasonic waves are reflected back on the defects, and the flaw detector can display the reflected waves; if the size of defect is less than when the wavelength even, the sound wave will bypass the defect and can not reflect, current ultrasonic inspection device is when detecting a flaw to the steel pipe, scan on the surface of steel pipe through artifical handheld ultrasonic probe, but some great steel pipes are when detecting, need operating personnel to roll or rotate the steel pipe, because the steel pipe dead weight is heavier, can improve operating personnel intensity, reduce efficiency, artifical handheld ultrasonic probe is detecting time measuring simultaneously, inevitable uncertain factors such as the distance change that can appear missing leak source or probe and steel pipe support, data are not accurate enough when can lead to detecting, and current ultrasonic inspection device application scope is lower, for this reason, an ultrasonic inspection device is proposed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic inspection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an ultrasonic flaw detection device comprises two supports and a base, wherein a fixing frame is welded on one adjacent side above the two supports, a through hole is formed in the fixing frame, a groove is formed in the outer side wall below the supports, a clamping block is connected to the inside of the groove in a sliding mode, a sliding rod is welded at the bottom of the clamping block, a cavity is formed in the clamping block, a motor is fixedly connected to the inside of the cavity, a rotating rod is rotatably connected to the inside of the cavity, a roller is sleeved on the outer side wall of the rotating rod, a rod body is rotatably connected to the inside of the supports, a first bevel gear is uniformly sleeved on the outer side wall of the rod body, a second bevel gear is meshed with the first bevel gear, a connecting rod is fixedly connected to the inside of the second bevel gear, a supporting rod is connected to the outer side, one end of the support rod far away from the connecting rod is fixedly connected with ultrasonic probes which are uniformly distributed.

As further preferable in the present technical solution: the top of base and the bottom of support have all been seted up logical groove, the inside sliding connection who leads to the groove has the slide bar.

As further preferable in the present technical solution: the inside wall of base rotates and is connected with the lead screw, the lateral wall threaded connection of lead screw has the slide bar, the screw thread that each other is opposite is seted up respectively to the left and right sides of lead screw surface.

As further preferable in the present technical solution: the fixing frame is close to the inside of through-hole both sides has all seted up the spout, the inside sliding connection of spout has the steel ball, the lateral wall welding of steel ball has the spring, the spring is keeping away from the one end fixed connection of steel ball in the inside wall of spout.

As further preferable in the present technical solution: the output of motor and the lateral wall of bull stick all cup jointed the belt pulley, two connect through belt transmission between the belt pulley.

As further preferable in the present technical solution: the outer side wall of the bracket is connected with a switch group through bolt threads, and the electrical output end of the switch group is respectively electrically connected with the motor and the electrical input of the ultrasonic probe through a lead.

Compared with the prior art, the beneficial effects of the utility model are that: the steel ball passes through the elasticity of spring and can support and the centre gripping to the steel pipe, then according to the specification and size of steel pipe, the rotation body of rod, the body of rod can make ultrasonic probe remove to the steel pipe when rotating, after ultrasonic probe removes to the target location, the lead screw rotates, make the clamp splice drive gyro wheel and steel pipe contact, when the motor operates, can drive the steel pipe through the gyro wheel and rotate, detect the steel pipe through ultrasonic probe simultaneously, carry out corresponding regulation through the specification and size to the steel pipe, can improve application scope, and effectual reduction operating personnel's working strength, improve the accurate nature of detection time measuring simultaneously.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the base of the present invention;

fig. 3 is an enlarged schematic view of the area a in fig. 1 according to the present invention.

In the figure: 1. a support; 2. a fixed mount; 3. a base; 4. a groove; 5. a clamping block; 6. a slide bar; 7. a cavity; 8. a motor; 9. a rotating rod; 10. a roller; 11. a rod body; 12. a first bevel gear; 13. a second bevel gear; 14. a connecting rod; 15. a support bar; 16. an ultrasonic probe; 17. a through groove; 18. a screw rod; 19. a chute; 20. steel balls; 21. a spring; 22. a belt pulley; 23. a switch group; 24. and a through hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: an ultrasonic flaw detection device comprises two supports 1 and a base 3, wherein a fixed frame 2 is welded on one adjacent side above the two supports 1, a through hole 24 is formed in the fixed frame 2, a groove 4 is formed in the outer side wall below the supports 1, a clamping block 5 is connected in the groove 4 in a sliding manner, a sliding rod 6 is welded at the bottom of the clamping block 5, a cavity 7 is formed in the clamping block 5, a motor 8 is fixedly connected in the cavity 7, a rotating rod 9 is rotatably connected in the cavity 7, a roller 10 is sleeved on the outer side wall of the rotating rod 9, a rod body 11 is rotatably connected in the supports 1, a first bevel gear 12 is uniformly sleeved on the outer side wall of the rod body 11, a second bevel gear 13 is meshed with the first bevel gear 12, a connecting rod 14 is fixedly connected in the second bevel gear 13, and a supporting rod 15 is connected to the outer side wall, the end of the support rod 15 far away from the connecting rod 14 is fixedly connected with evenly distributed ultrasonic probes 16.

In this embodiment, specifically: through groove 17 has all been seted up to the top of base 3 and the bottom of support 1, and the inside sliding connection who leads to groove 17 has slide bar 6, can restrict and guide the stroke of slide bar 6 through leading to groove 17, makes slide bar 6 can keep the reciprocating motion of same straight line.

In this embodiment, specifically: the inside wall of base 3 rotates and is connected with lead screw 18, and the lateral wall threaded connection of lead screw 18 has slide bar 6, and the left and right sides of lead screw 18 surface has seted up the screw thread that each other is opposite respectively, and lead screw 18 can drive slide bar 6 when rotating and remove along the screw thread that lead screw 18 lateral wall was seted up, and two slide bars 6 can carry out the removal of opposite direction owing to opposite screw thread simultaneously.

In this embodiment, specifically: the mount 2 has all seted up spout 19 in the inside of being close to through-hole 24 both sides, the inside sliding connection of spout 19 has steel ball 20, and the outside wall welding of steel ball 20 has spring 21, and spring 21 is in the one end fixed connection who keeps away from steel ball 20 in the inside wall of spout 19, and steel ball 20 can slide to the inside of spout 19 when receiving external force extrusion, makes spring 21 shrink atress, loses the external force back as steel ball 20, and steel ball 20 can be pushed back the original place by spring 21's elasticity.

In this embodiment, specifically: the belt pulley 22 has all been cup jointed to the output of motor 8 and the lateral wall of bull stick 9, connects through belt transmission between two belt pulleys 22, and when motor 8 ran, can drive bull stick 9 synchronous revolution through belt pulley 22.

In this embodiment, specifically: the outer side wall of the bracket 1 is connected with a switch group 23 through bolt threads, the electrical output end of the switch group 23 is electrically connected with the electrical input of the motor 8 and the ultrasonic spring 21 through wires respectively, and the switch group 23 controls the power supply switching states of the motor 8 and the ultrasonic probe 16 respectively.

In this embodiment, the specific types of the motor 8 are: TCH/V-1500.

When the device is used, firstly, a power supply is switched on, a steel pipe to be detected is placed on the base 3 through the through hole 24, meanwhile, the steel ball 20 is extruded by the steel pipe and slides towards the inside of the sliding groove 19, the spring 21 contracts and bears force, the steel pipe is supported and clamped through the elasticity of the spring 21, then the rod body 11 is rotated according to the specification and the size of the steel pipe, the rod body 11 drives the first bevel gear 12 to rotate when rotating, the first bevel gear 12 drives the connecting rod 14 to rotate through the second bevel gear 13, the supporting rod 15 can move towards the steel pipe through the rotation of the connecting rod 14, meanwhile, the supporting rod 15 drives the ultrasonic probe 16 to move towards the steel pipe, when the ultrasonic probe 16 moves to a target position, the screw rod 18 is rotated to drive the slide rod 6 to move along threads formed on the outer side wall of the screw rod 18, the slide rod 6 can drive the clamping block 5 to, the roller 10 contacts with the steel pipe, the motor 8 and the ultrasonic probe 16 are respectively turned on through the switch group 23, when the motor 8 runs, the belt pulley 22 drives the rotating rod 9 to synchronously rotate, the roller 10 rotates, the roller 10 drives the steel pipe to rotate, and meanwhile, the ultrasonic probe 16 detects the steel pipe.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ultrasonic flaw detection device, includes two supports (1) and base (3), its characterized in that: two adjacent one side welding in support (1) top has mount (2), through-hole (24) have been seted up to the inside of mount (2), recess (4) have been seted up to the lateral wall of support (1) below, the inside sliding connection of recess (4) has clamp splice (5), the bottom welding of clamp splice (5) has slide bar (6), cavity (7) have been seted up to the inside of clamp splice (5), the inside fixedly connected with motor (8) of cavity (7), the inside rotation of cavity (7) is connected with bull stick (9), gyro wheel (10) have been cup jointed to the lateral wall of bull stick (9), the inside rotation of support (1) is connected with the body of rod (11), first bevel gear (12) have evenly been cup jointed to the lateral wall of the body of rod (11), first bevel gear (12) meshing has second bevel gear (13), the inside fixedly connected with connecting rod (14) of second bevel gear (13), connecting rod (14) are keeping away from the one end of second bevel gear (13) is run through the lateral wall threaded connection of support (1) has bracing piece (15), bracing piece (15) are keeping away from the one end fixedly connected with evenly distributed's of connecting rod (14) ultrasonic transducer (16).

2. An ultrasonic testing apparatus according to claim 1, characterized in that: through grooves (17) are formed in the top of the base (3) and the bottom of the support (1), and the sliding rods (6) are connected to the inside of the through grooves (17) in a sliding mode.

3. An ultrasonic testing apparatus according to claim 1, characterized in that: the inner side wall of the base (3) is rotatably connected with a screw rod (18), the outer side wall of the screw rod (18) is in threaded connection with the slide rod (6), and threads which are opposite to each other are respectively arranged on the left side and the right side of the outer surface of the screw rod (18).

4. An ultrasonic testing apparatus according to claim 1, characterized in that: the fixing frame (2) is close to the inner parts of two sides of the through hole (24), sliding grooves (19) are formed in the inner parts of the sliding grooves (19), steel balls (20) are connected to the inner parts of the sliding grooves (19) in a sliding mode, springs (21) are welded on the outer side walls of the steel balls (20), and one ends, far away from the steel balls (20), of the springs (21) are fixedly connected to the inner side walls of the sliding grooves (19).

5. An ultrasonic testing apparatus according to claim 1, characterized in that: the output of motor (8) and the lateral wall of bull stick (9) all cup jointed belt pulley (22), two connect through belt transmission between belt pulley (22).

6. An ultrasonic testing apparatus according to claim 1, characterized in that: the outer side wall of the support (1) is connected with a switch group (23) through bolt threads, and the electrical output end of the switch group (23) is respectively connected with the electrical input and the electrical output of the motor (8) and the ultrasonic probe (16) through wires.