CN212082756U

CN212082756U - Nondestructive testing device for pipeline girth weld

Info

Publication number: CN212082756U
Application number: CN202021195934.2U
Authority: CN
Inventors: 赵永亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-12-04
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a nondestructive testing device for a pipeline girth weld, which comprises a shell, a driving component, a detection component and a clamping component, wherein the top of a driving frame is fixedly connected with the top wall of the shell, the two ends of the driving screw are rotatably connected with the side wall of the driving frame, the two sides of the driving screw are respectively provided with a forward thread and a reverse thread, the forward thread is screwed with a left driving block, the reverse thread is screwed with a right driving block, the lower ends of the left driving block and the right driving block can be detachably connected with the detection component, the clamping frame body is slidably connected with the bottom wall of the shell, a transmission motor is arranged in the clamping frame body, an output shaft of the transmission motor respectively penetrates through the two side walls of the clamping frame body and is connected with a driving gear, the driving gear is meshed with a first rotating gear, the first rotating gear is meshed with a second rotating, to clamp or unclamp the pipe to be tested. The utility model discloses can be convenient for detect the pipeline girth weld, effectively improve detection efficiency.

Description

Nondestructive testing device for pipeline girth weld

Technical Field

The utility model relates to a nondestructive test device technical field especially relates to a pipeline girth weld nondestructive test device.

Background

The pipeline is a material with a wide application range, and is widely applied to the fields of industry and agriculture, infrastructure and daily life, such as water pipes and gas pipelines which are common in daily life, and petroleum pipelines, natural gas pipelines and the like in the industrial field. Whether the girth weld quality of pipeline is closely knit to the pipeline, therefore traditional inspection method is stifled reality with the both ends of pipeline, lets in the gas of certain pressure in to the pipeline, with whole pipeline submergence, whether have the stomach bubble to judge the pipeline closely knit according to the aquatic, or pour into intraductal with water, keep certain pressure and time, see whether produce the leakage, this kind of inspection method is comparatively time-consuming and energy-consuming, and detection efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline girth weld nondestructive test device solves the pipeline girth weld among the prior art and detects the problem that wastes time and energy, detection efficiency is lower.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model discloses a nondestructive testing device for the circumferential weld of a pipeline, which comprises a shell, and a driving component, a detection component and a clamping component which are arranged in the shell from top to bottom in sequence, wherein the driving component comprises a driving motor, a driving frame, a driving screw rod, a left driving block and a right driving block, the top of the driving frame is fixedly connected with the top wall of the shell, a containing cavity is arranged inside the driving frame, the driving screw rod transversely penetrates through the containing cavity, the two ends of the driving screw rod are rotatably connected with the side wall of the driving frame, the bottom of the driving frame is provided with a sliding groove, the containing cavity is mutually communicated with the sliding groove, the driving shaft of the driving motor is connected with the driving screw rod, the two sides of the driving screw rod are respectively provided with a forward thread and a reverse thread, the forward thread is screwed with the left driving block, the reverse thread is screwed with the right driving block, the lower ends of the left driving block and the right driving block penetrate through the sliding groove and then are detachably connected with the detection assembly, the detection assembly comprises a connecting column, an upper connecting rod and a lower connecting rod, the top end of the connecting column is detachably connected with the left driving block or the right driving block, the upper part of the connecting column is fixedly connected with the upper connecting rod, the lower part of the connecting rod is fixedly connected with the lower connecting rod, the end part of the upper connecting rod is fixedly connected with a photosensitive sensor, the end part of the lower connecting rod is fixedly connected with an irradiator, the clamping assembly comprises a clamping frame body, an air cylinder, a driving gear, a first rotating gear, a second rotating gear and a clamping arm, the clamping frame body is slidably connected with the bottom wall of the shell, the back side wall of the shell is fixedly connected with a mounting seat, the air cylinder is mounted on the mounting seat, the output shaft of the transmission motor penetrates through the two side walls of the clamping frame body respectively and then is connected with the driving gear, the driving gear is in meshing transmission with the first rotating gear, the first rotating gear is in meshing transmission with the second rotating gear, the outer sides, opposite to the first rotating gear and the second rotating gear, of the first rotating gear and the second rotating gear are connected with the clamping arms respectively, and the first rotating gear and the second rotating gear can drive the two clamping arms to move oppositely or move reversely so as to clamp or loosen a pipeline to be detected.

Further, the centre gripping arm includes the arm body, connecting seat, connecting block, elastic component and grip block, arm body one end with first rotating gear or second rotating gear links firmly, the other end with the connecting seat rotates to be connected, link firmly on the connecting seat the connecting block, the connecting block with be provided with between the grip block the elastic component, relative two that set up the grip block is used for the centre gripping wait to detect the pipeline.

Furthermore, the elastic component includes sliding frame, stopper, spring and slip post, the sliding frame bottom with the connecting block links firmly, slidable is provided with in the sliding frame the slip post, slip post one end stretch into be connected with behind the sliding frame the stopper, the other end with the grip block links firmly, spring one end with the bottom wall links firmly in the sliding frame, the other end with the stopper links firmly.

Furthermore, a clamping groove is formed in the side wall, close to the pipeline to be detected, of the clamping block, and a rubber pad is arranged on the clamping groove.

Still further, one end of the driving screw rod, which is far away from the driving motor, is rotatably connected with the side wall of the shell through a bearing.

Furthermore, the inner wall of the shell is fixedly connected with an L-shaped motor fixing frame, and the driving motor is installed on the motor fixing frame.

Further, two sliding chutes have been seted up to casing diapire symmetry, centre gripping framework bottom symmetry is provided with two sliding blocks, but sliding block sliding connection correspond the setting in the sliding chute, just the sliding block with the cross section of sliding chute all is the T type.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses a pipeline girth weld nondestructive test device is through setting up drive assembly, determine module and centre gripping subassembly, can be convenient for detect the pipeline girth weld, effectively improves detection efficiency, simultaneously through setting up the centre gripping subassembly, can carry out quick, effectual centre gripping to the pipeline both ends, further improves detection efficiency and centre gripping stability.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic structural view of the nondestructive testing device for the circumferential weld of the pipeline of the present invention;

FIG. 2 is a schematic side view of the clamping assembly of the nondestructive testing apparatus for a pipe girth weld of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is the internal structure diagram of the driving assembly of the nondestructive testing device for the pipe girth weld of the present invention.

Description of reference numerals: 1. a housing; 2. a drive assembly; 21. a drive motor; 211. a motor fixing frame; 22. a drive shaft; 23. a drive frame; 231. a drive screw; 24. a bearing; 25. a left drive block; 26. a right drive block; 3. a detection component; 31. connecting columns; 32. an upper connecting rod; 33. a photosensitive sensor; 34. a lower connecting rod; 35. an irradiator; 4. a clamping assembly; 41. a mounting seat; 42. a cylinder; 43. a drive gear; 44. a first rotating gear; 45. a second rotating gear; 46. a clamp arm; 461. an arm body; 462. a connecting seat; 463. connecting blocks; 464. an elastic member; 4641. a sliding frame; 4642. a limiting block; 4643. a spring; 4644. a sliding post; 465. a clamping block; 466. a rubber pad; 47. clamping the frame body; 5. and (5) detecting the pipeline to be detected.

Detailed Description

As shown in fig. 1 to 4, a nondestructive testing device for a pipe girth weld comprises a housing 1, and a driving assembly 2, a detecting assembly 3 and a clamping assembly 4 sequentially arranged in the housing 1 from top to bottom, wherein the driving assembly 2 comprises a driving motor 21, a driving frame 23, a driving screw 231, a left driving block 25 and a right driving block 26, the top of the driving frame 23 is fixedly connected with the top wall of the housing 1, a containing cavity is arranged in the driving frame 23, the driving screw 231 transversely penetrates through the containing cavity, two ends of the driving screw 231 are rotatably connected with the side wall of the driving frame 23, a sliding groove is arranged at the bottom of the driving frame 23, the containing cavity is communicated with the sliding groove, a driving shaft 22 of the driving motor 21 is connected with the driving screw 231, a forward thread and a reverse thread are respectively arranged on two sides of the driving screw 231, the spiro union has on the forward screw thread left side drive block 25, the spiro union has on the reverse screw thread right side drive block 26, left side drive block 25 with right side drive block 26 lower extreme all runs through can dismantle behind the sliding tray and be connected with determine module 3, determine module 3 includes spliced pole 31, last connecting rod 32 and lower connecting rod 34, spliced pole 31 top with left side drive block 25 or right side drive block 26 can dismantle the connection, upper portion has linked firmly go up connecting rod 32, lower part has linked firmly lower connecting rod 34, it has linked firmly photosensitive sensor 33 to go up connecting rod 32 tip, connecting rod 34 tip has linked firmly irradiator 35 down, centre gripping subassembly 4 includes centre gripping framework 47, cylinder 42, drive gear 43, first rotating gear 44, second rotating gear 45 and centre gripping arm 46, centre gripping framework 47 with but casing 1 diapire sliding connection, the rear side wall of the shell 1 is fixedly connected with a mounting seat 41, the air cylinder 42 is mounted on the mounting seat 41, the output end of the air cylinder is fixedly connected with a clamping frame body 47, a transmission motor is arranged inside the clamping frame body 47, the output shaft of the transmission motor penetrates through the two side walls of the clamping frame body 47 respectively and then is connected with the driving gear 43, the driving gear 43 is in meshing transmission with the first rotating gear 44, the first rotating gear 44 is in meshing transmission with the second rotating gear 45, the outer sides, opposite to the first rotating gear 44 and the second rotating gear 45, of the clamping arms 46 are connected with the clamping arms 46 respectively, and the first rotating gear 44 and the second rotating gear 45 can drive the two clamping arms 46 to move oppositely or move reversely to clamp or to be detected to loosen the pipeline 5.

When the pipeline 5 to be detected needs to be detected, the nondestructive testing device for the pipeline girth weld of the embodiment firstly drives the clamping frame body 47 to slide to the rear part of the shell 1 through the air cylinder 42, then drives the driving gear 43 to rotate anticlockwise through the output shaft of the transmission motor, and further drives the first rotating gear 44 to rotate clockwise, because the first rotating gear 44 is meshed with the second rotating gear 45, the second rotating gear 45 rotates anticlockwise, so that the first rotating gear 44 and the second rotating gear 45 respectively drive the two clamping arms 46 to move oppositely, so as to clamp the pipeline 5 to be detected, after clamping is finished, the clamping frame body 47 is driven by the air cylinder 42 to slide the clamping frame body 47 to the front part of the shell 1, then the driving shaft 22 of the driving motor 21 drives the driving screw 231 to rotate, and further drives the photosensitive sensor 33 and the irradiator 35 to transport to the pipeline 5 to be detected through the left driving block 25 and the right driving block 26 which are respectively screwed on the two sides Moving until the irradiator 35 extends into the pipeline 5 to be detected and is positioned at the circumferential weld of the pipeline 5 to be detected, wherein the photosensitive sensor 33 and the irradiator 35 are arranged in an up-and-down corresponding manner; after the detection is finished, the driving screw 231 is driven to rotate reversely by the driving shaft 22 of the driving motor 21, then the left driving block 25 and the right driving block 26 which are respectively screwed on the two sides of the driving screw 231 drive the photosensitive sensor 33 and the irradiator 35 to move towards the direction far away from the pipe 5 to be detected until the irradiator 35 is separated from the pipe 5 to be detected, the clamping frame 47 is driven by the air cylinder 42 to make the clamping frame 47 continuously slide to the rear part of the shell 1, then the driving gear 43 is driven by the output shaft of the transmission motor to rotate clockwise, and further the first rotating gear 44 is driven to rotate anticlockwise, since the first rotating gear 44 and the second rotating gear 45 are engaged with each other, the second rotating gear 45 rotates clockwise, so that the two clamping arms 46 are driven to move reversely by the first rotating gear 44 and the second rotating gear 45 respectively to loosen the pipe 5 to be detected, and the detection process is completed.

The nondestructive testing device for the pipeline girth weld of the embodiment can be used for conveniently detecting the pipeline girth weld by arranging the driving component 2, the detecting component 3 and the clamping component 4, effectively improves the detection efficiency, and can be used for rapidly clamping two ends of a pipeline by arranging the clamping component 4, so that the detection efficiency and the clamping stability are further improved.

Gear shafts of the first rotating gear 44 and the second rotating gear 45 are both mounted on the clamping frame body 47, and clamping arms 46 are arranged outside two side walls of the clamping frame body 47, so that stable clamping is ensured.

Specifically, the clamping arm 46 includes an arm 461, a connecting seat 462, a connecting block 463, an elastic member 464 and a clamping block 465, one end of the arm 461 is fixedly connected to the first rotating gear 44 or the second rotating gear 45, the other end of the arm 461 is rotatably connected to the connecting seat 462, the connecting block 463 is fixedly connected to the connecting seat 462, the elastic member 464 is arranged between the connecting block 463 and the clamping block 465, and the two clamping blocks 465 which are arranged oppositely are used for clamping the pipeline 5 to be detected.

In this embodiment, through setting up elastic component 464, can make clamping block 465 have certain elasticity in the clamping process to the pipeline 5 that waits that detects of different sizes is held to the clamp, and application scope is wider, can avoid simultaneously because the too big pipeline 5 that causes the damage to waiting to detect of arm 461 clamping-force, plays effectual guard action.

Specifically, the elastic member 464 includes a sliding frame 4641, a limiting block 4642, a spring 4643 and a sliding column 4644, a bottom end of the sliding frame 4641 is fixedly connected to the connecting block 463, the sliding column 4644 is slidably disposed in the sliding frame 4641, one end of the sliding column 4644 extends into the sliding frame 4641 and is connected to the limiting block 4642, the other end of the sliding column 4644 is fixedly connected to the clamping block 465, one end of the spring 4643 is fixedly connected to an inner bottom wall of the sliding frame 4641, and the other end of the spring 4643 is fixedly connected to the limiting block 4642.

In this embodiment, after the arm 461 drives the clamping block 465 to clamp the to-be-detected pipe 5, the clamping block 465 is stressed and drives the sliding column 4644 to slide in the sliding frame 4641, at this time, the limiting block 4642 compresses the spring 4643, and the spring 4643 can apply a reverse clamping force to the clamping block 465, so that the clamping is more stable.

Specifically, a clamping groove is formed in the side wall, close to the pipeline 5 to be detected, of the clamping block 465, and a rubber pad 466 is arranged on the clamping groove.

In this embodiment, the pipe 5 to be detected can be further protected by providing the rubber gasket 466, wherein the cross section of the clamping groove may be arc-shaped or semicircular.

Specifically, one end of the driving screw 231, which is far away from the driving motor 21, is rotatably connected with the side wall of the housing 1 through a bearing 24.

Specifically, the inner wall of the shell 1 is fixedly connected with an L-shaped motor fixing frame 211, and the driving motor 21 is installed on the motor fixing frame 211.

Specifically, two sliding chutes have been seted up to 1 diapire symmetry of casing, centre gripping framework 47 bottom symmetry is provided with two sliding blocks, but sliding block sliding connection correspond the setting in the sliding chute, just the sliding block with the cross section of sliding chute all is the T type.

In this embodiment, through setting up the slider and the sliding tray that the cross section is the T type, can improve casing 1 and centre gripping framework 47 sliding connection's steadiness.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a pipeline girth weld nondestructive test device which characterized in that: the device comprises a shell, and a driving component, a detection component and a clamping component which are sequentially arranged in the shell from top to bottom, wherein the driving component comprises a driving motor, a driving frame, a driving screw rod, a left driving block and a right driving block, the top of the driving frame is fixedly connected with the top wall of the shell, a containing cavity is arranged in the driving frame, the containing cavity is transversely provided with the driving screw rod in a penetrating manner, the two ends of the driving screw rod are rotatably connected with the side wall of the driving frame, the bottom of the driving frame is provided with a sliding groove, the containing cavity is mutually communicated with the sliding groove, the driving shaft of the driving motor is connected with the driving screw rod, the two sides of the driving screw rod are respectively provided with a forward thread and a reverse thread, the forward thread is screwed with the left driving block, the reverse thread is screwed with the right driving block, the lower ends of the left driving block and the right driving block are both penetrated through the sliding groove, the detection component comprises a connecting column, an upper connecting rod and a lower connecting rod, the top end of the connecting column is detachably connected with the left driving block or the right driving block, the upper part of the connecting column is fixedly connected with the upper connecting rod, the lower part of the connecting rod is fixedly connected with the lower connecting rod, the end part of the upper connecting rod is fixedly connected with a photosensitive sensor, the end part of the lower connecting rod is fixedly connected with an irradiator, the clamping component comprises a clamping frame body, a cylinder, a driving gear, a first rotating gear, a second rotating gear and a clamping arm, the clamping frame body is slidably connected with the bottom wall of the shell, the rear side wall of the shell is fixedly connected with an installation seat, the cylinder is installed on the installation seat, the output end of the cylinder is fixedly connected with the clamping frame body, a transmission motor is arranged inside the clamping frame body, the output shaft of the transmission motor respectively, the first rotating gear and the second rotating gear are in meshing transmission, the outer sides of the first rotating gear and the second rotating gear, which are opposite to each other, are connected with the clamping arms, and the first rotating gear and the second rotating gear can respectively drive the two clamping arms to move oppositely or reversely so as to clamp or loosen a pipeline to be detected.

2. The nondestructive testing device for the girth weld of the pipeline as recited in claim 1, wherein: the clamping arm comprises an arm body, a connecting seat, a connecting block, an elastic piece and clamping blocks, one end of the arm body is fixedly connected with the first rotating gear or the second rotating gear, the other end of the arm body is rotatably connected with the connecting seat, the connecting block is fixedly connected onto the connecting seat, the elastic piece is arranged between the connecting block and the clamping blocks, and the clamping blocks are oppositely arranged and used for clamping the pipeline to be detected.

3. The nondestructive testing device for the girth weld of the pipeline as recited in claim 2, wherein: the elastic part comprises a sliding frame, a limiting block, a spring and a sliding column, the bottom end of the sliding frame is fixedly connected with the connecting block, the sliding column is slidably arranged in the sliding frame, one end of the sliding column stretches into the rear portion of the sliding frame and is connected with the limiting block, the other end of the sliding column is fixedly connected with the clamping block, one end of the spring is fixedly connected with the bottom wall of the sliding frame, and the other end of the spring is fixedly connected with the limiting block.

4. The nondestructive testing device for the girth weld of the pipeline as recited in claim 2, wherein: and a clamping groove is formed in the side wall, close to the pipeline to be detected, of the clamping block, and a rubber pad is arranged on the clamping groove.

5. The nondestructive testing device for the girth weld of the pipeline as recited in claim 1, wherein: one end of the driving screw rod, which is far away from the driving motor, is rotatably connected with the side wall of the shell through a bearing.

6. The nondestructive testing device for the girth weld of the pipeline as recited in claim 1, wherein: the inner wall of the shell is fixedly connected with an L-shaped motor fixing frame, and the driving motor is installed on the motor fixing frame.

7. The nondestructive testing device for the girth weld of the pipeline according to any one of claims 1 to 6, wherein: two sliding chutes have been seted up to casing diapire symmetry, centre gripping framework bottom symmetry is provided with two sliding blocks, but sliding block sliding connection correspond the setting in the sliding chute, just the sliding block with the cross section of sliding chute all is the T type.