CN216718262U

CN216718262U - Pipeline welding radiation protection device that detects a flaw

Info

Publication number: CN216718262U
Application number: CN202220240408.6U
Authority: CN
Inventors: 王�忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-28
Filing date: 2022-01-28
Publication date: 2022-06-10
Anticipated expiration: 2032-01-28

Abstract

The utility model discloses a radiation protection device for pipeline welding flaw detection, which comprises a supporting mechanism, an adjusting mechanism I, an adjusting mechanism II and a flaw detection mechanism, wherein the supporting mechanism is arranged on the supporting mechanism; the supporting mechanism is arranged on one side of the adjusting mechanism I, and the adjusting mechanism II is movably connected with the adjusting mechanism I; the flaw detection mechanism is arranged on the adjusting mechanism II; the adjusting mechanism I comprises a motor III, a screw II, a supporting shaft and a mounting seat; the adjusting mechanism II comprises a fixed seat, a lead screw III, a supporting frame and a motor V; the supporting mechanism comprises a motor I, a slide rail, a supporting seat I, a supporting seat II, a motor II and a screw rod I; the flaw detection mechanism comprises a fixed block, a mounting plate, a protection plate, a pressing plate and a flaw detector. The utility model can detect the transverse weld of the pipeline or the weld welded at the end surfaces of two pipelines and can adapt to the detection of pipelines with different pipe diameters.

Description

Pipeline welding radiation protection device that detects a flaw

Technical Field

The utility model belongs to the technical field of pipeline welding flaw detection, and particularly relates to a radiation protection device for pipeline welding flaw detection.

Background

The detection technology of welding flaw detection generally adopts ray detection, and the ray detection flaw detection is widely used as one of nondestructive detection technologies; whether defects exist in a flaw detection area can be detected through nondestructive detection, and ray flaw detection is used as one of main flaw detection means in existing large-scale pipeline welding, steel structure welding and the like; but the radiographic inspection has certain radiativity, and can cause damage to human bodies after long-term contact; the existing large-scale flaw detection equipment generally has the following defects in use;

1) in the process of flaw detection of a welding seam for welding a large-sized pipeline, flaw detection in a single direction can be generally realized, and the common flaw detection means is to rotate the pipeline and then detect a flaw of the welding seam on the end face of the pipeline; but cannot be inspected if there is also a weld in the transverse direction of the pipe; the flaw detection equipment has single functionality;

2) general flaw detection equipment can not adapt to the welding seam of different pipe diameters and detect a flaw.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a pipeline welding flaw detection radiation protection device which can detect the flaw of a transverse welding seam of a pipeline or the flaw of a welding seam welded on the end surfaces of two pipelines and can adapt to the flaw detection of pipelines with different pipe diameters.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a radiation protection device for pipeline welding flaw detection comprises a supporting mechanism, an adjusting mechanism I, an adjusting mechanism II and a flaw detection mechanism; the supporting mechanism is arranged on one side of the adjusting mechanism I, and the adjusting mechanism II is movably connected with the adjusting mechanism I; and the flaw detection mechanism is arranged on the adjusting mechanism II.

The supporting mechanism comprises a motor I, a slide rail, a supporting seat I, a supporting seat II, a motor II and a screw rod I; the pair of slide rails is provided with a T-shaped groove; a T-shaped block is arranged on the supporting seat I and is arranged in the T-shaped groove, the supporting seat II is fixed at one end of the sliding rail, rollers are arranged on the supporting seat I and the supporting seat II, and a fixed arm is fixedly arranged between the supporting seats I at two sides; the motor II is arranged on the slide rail and is positioned on one side of the supporting seat II, and a chain wheel is arranged at the shaft end of the motor II; a chain wheel is arranged on a central shaft of the roller on one group of the supporting seats II and is connected with a shaft end chain wheel of the motor II through a chain; the motor I is fixed on the foundation, and a chain wheel is arranged at the shaft end of the motor I; lead screw I is equipped with a pair ofly and is located I both sides of motor respectively, and I both ends of lead screw are passed through the bearing frame and are fixed on the ground, and I passes through screw thread swing joint fixed arm of lead screw, and I tip of lead screw is equipped with the sprocket and connects the sprocket of I axle head of motor through the chain.

The adjusting mechanism I comprises a motor III, a screw II, a supporting shaft and a mounting seat; the mounting seats are fixed on the foundation, two ends of the supporting shaft are fixedly connected with the mounting seats, and two ends of the screw rod II are rotatably connected with the mounting seats; and the motor III is fixed on the mounting seat and is connected with one end of the screw rod II through a coupler.

The adjusting mechanism II comprises a fixed seat, a lead screw III, a supporting frame and a motor V; the fixed seat is movably connected with a screw rod II and a support shaft through a threaded hole and a through hole; the supporting frame is fixed on the fixed seat; the support frame is provided with a through groove I and a through groove II; the screw rod III is arranged in the through groove II, and two ends of the screw rod III are rotatably connected with the supporting frame; the motor V is fixed on the top of the support frame, and an output shaft of the motor V is connected with one end of a lead screw III.

The flaw detection mechanism comprises a fixed block, a mounting plate, a protection plate, a pressing plate and a flaw detector; the left side and the right side of the fixed block are provided with guide blocks, the upper side and the lower side of the fixed block are provided with fixed plates, the fixed block is arranged in the through groove II, the guide blocks are arranged in the through groove I, and the fixed block is movably connected with a screw rod III through a threaded hole; the mounting plate is arranged on one side of the fixed block, the flaw detector, the pressing plate and the protection plate are arranged on one side of the mounting plate, a pair of guide shafts and a pair of screw rods are arranged on the other side of the mounting plate, the independent screw rods and the guide shafts are sequentially distributed at four corners of the mounting plate at intervals, one ends of the screw rods and the guide shafts are movably connected with the fixed plate through threaded holes and through holes respectively, and the other ends of the screw rods are rotatably connected with the mounting plate; the pressure plate is fixed on the mounting plate through a bolt, and the flaw detector is fixed on the mounting plate through the pressure plate and the bolt; the protection plates are provided with a pair of protection plates, are respectively arranged on two sides of the flaw detector and are arranged in a horn mouth shape; the protective plate is hinged with the mounting plate, a screw rod and a spring are arranged on one side of the protective plate, one end of the screw rod is hinged with the protective plate, the other end of the screw rod penetrates through a through groove arranged on the mounting plate and is fixed by matching with a nut, and a limiting plate is arranged at one end of the screw rod; the spring cup joints the screw rod, and limiting plate is touched on the top of spring one end, and the mounting panel is touched on the other end top.

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

1) the motor III provides power to drive the screw rod II to rotate, so that the adjusting mechanism II is driven to move along the support shaft, and the flaw detection mechanism is driven to detect the flaw of the transverse weld joint of the pipeline;

2) the supporting mechanism is internally provided with a slide rail and a supporting seat I, and the motor II provides power to drive the roller to rotate; the motor I provides power to drive the supporting seat I to slide along the T-shaped groove, and the distance between the supporting seat I and the supporting seat II is adjusted to meet the supporting requirements of pipelines with different pipe diameters; so that the flaw detection mechanism can detect flaws of pipelines with different pipe diameters;

3) the flaw detection mechanism is internally provided with a screw rod and a guide shaft, the fixed plate and the flaw detector are driven to move along the guide shaft by rotating the screw rod, and the distance between the flaw detector and a pipeline welding seam can be adjusted.

Drawings

FIG. 1 is a first structural schematic diagram of a radiation protection device for pipeline welding flaw detection;

FIG. 2 is a second structural schematic diagram of a radiation protection device for pipeline welding flaw detection according to the present invention;

FIG. 3 is a schematic structural view of the support mechanism of FIG. 1;

FIG. 4 is a schematic structural diagram of an adjusting mechanism I and an adjusting mechanism II in FIG. 1;

FIG. 5 is a first schematic structural diagram of the flaw detection mechanism in FIG. 4;

FIG. 6 is a second schematic structural view of the inspection mechanism of FIG. 4;

in the figure: 1. a support mechanism; 101. a motor I; 102. a slide rail; 1021. a T-shaped groove; 103. a support seat I; 1031. a fixed arm; 104. a support seat II; 105. a motor II; 106. a screw I; 1061. a bearing seat; 2. an adjusting mechanism I; 201. a motor III; 202. a screw II; 203. a support shaft; 204. a mounting seat; 3. an adjusting mechanism II; 301. a fixed seat; 302. a screw rod III; 303. a support frame; 3031. a through groove I; 3032. a through groove II; 304. a motor V; 4. a flaw detection mechanism; 401. a fixed block; 4011. a guide block; 4012. a fixing plate; 402. mounting a plate; 4021. a guide shaft; 4022. a screw rod; 403. a protection plate; 4031. a screw; 40311. a limiting plate; 4032. a spring; 404. pressing a plate; 405. a flaw detector; 5. a pipeline; 6. and (5) foundation construction.

Detailed Description

For the understanding of the technical field, the technical solution of the present invention is further explained in detail with reference to the accompanying drawings 1-6.

A radiation protection device for pipeline welding flaw detection comprises a supporting mechanism 1, an adjusting mechanism I2, an adjusting mechanism II 3 and a flaw detection mechanism 4; the supporting mechanism 1 is arranged on one side of the adjusting mechanism I2, and the adjusting mechanism II 3 is movably connected with the adjusting mechanism I2; the flaw detection mechanism 4 is arranged on the adjusting mechanism II 3; when a weld joint is detected, the pipeline 5 is arranged on the supporting mechanism 1, the supporting mechanism 1 drives the pipeline 5 to rotate, and the adjusting mechanism II 3 drives the flaw detection mechanism 4 to move up and down to adapt to the flaw detection of end-face weld joints of pipelines 5 with different pipe diameters; adjusting mechanism I2 drives adjusting mechanism II 3 and defectoscope 405 and moves about to realize the detection of 5 horizontal welding seams of pipeline.

The supporting mechanism 1 comprises a motor I101, a slide rail 102, a supporting seat I103, a supporting seat II 104, a motor II 105 and a lead screw I106; the slide rails 102 are provided with a pair of grooves, and T-shaped grooves 1021 are formed in the slide rails 102; a T-shaped block is arranged on the support seat I103 and is arranged in the T-shaped groove 1021, the support seat II 104 is fixed at one end of the slide rail 102, rollers are arranged on the support seat I103 and the support seat II 104, and a fixed arm 1031 is fixedly arranged between the support seats I103 at two sides; the motor II 105 is arranged on the slide rail 102 and located on one side of the support seat II 104, and a chain wheel is arranged at the shaft end of the motor II 105; a chain wheel is arranged on a central shaft of the roller on one group of the support seats II 104 and is connected with a shaft end chain wheel of a motor II 105 through a chain; the motor I101 is fixed on the foundation 6, and a chain wheel is arranged at the shaft end of the motor I101; the pair of screw rods I106 are arranged on the two sides of the motor I101 respectively, the two ends of each screw rod I106 are fixed on the foundation 6 through bearing seats 1061, each screw rod I106 is movably connected with a fixing arm 1031 through threads, and a chain wheel is arranged at the end part of each screw rod I106 and connected with a chain wheel at the shaft end of the motor I101 through a chain; the pipeline 5 is arranged on the supporting mechanism 1, is supported by a supporting seat I103 and a supporting seat II 104, and is powered by a motor II 105 to drive the roller to rotate; the I101 motor provides power to drive the I103 supporting seat to slide along the T-shaped groove 1021, the distance between the I103 supporting seat and the II 104 supporting seat is adjusted, and the supporting requirements of pipelines 5 with different pipe diameters are met.

The adjusting mechanism I2 comprises a motor III 201, a lead screw II 202, a supporting shaft 203 and a mounting seat 204; the mounting base 204 is fixed on the foundation 6, two ends of the support shaft 203 are fixedly connected with the mounting base 204, and two ends of the screw II 202 are rotatably connected with the mounting base 204; the motor III 201 is fixed on the mounting base 204 and is connected with one end of the screw II 202 through a coupler; the motor III 201 provides power to drive the screw II 202 to rotate.

The adjusting mechanism II 3 comprises a fixed seat 301, a lead screw III 302, a supporting frame 303 and a motor V304; the fixed seat 301 is movably connected with the screw rod II 202 and the supporting shaft 203 through a threaded hole and a through hole; the supporting frame 303 is fixed on the fixed seat 301; a through groove I3031 and a through groove II 3032 are arranged on the support frame 303; the screw III 302 is arranged in the through groove II 3032, and two ends of the screw III 302 are rotatably connected with the support frame 303; the motor V304 is fixed at the top of the supporting frame 303, and the output shaft of the motor V304 is connected with one end of a lead screw III 302; the motor V304 provides power to drive the lead screw III 302 to rotate.

The flaw detection mechanism 4 comprises a fixed block 401, a mounting plate 402, a protection plate 403, a pressing plate 404 and a flaw detector 405; the left side and the right side of the fixed block 401 are provided with guide blocks 4011, the upper side and the lower side of the fixed block 401 are provided with fixing plates 4012, the fixed block 401 is arranged in the through groove II 3032, the guide blocks 4011 are arranged in the through groove I3031, and the fixed block 401 is movably connected with a lead screw III 302 through a threaded hole; the mounting plate 402 is arranged on one side of the fixing block 401, the flaw detector 405, the pressing plate 404 and the protection plate 403 are arranged on one side of the mounting plate 402, the other side of the mounting plate 402 is provided with a pair of guide shafts 4021 and a pair of screw rods 4022, the single screw rods 4022 and the single guide shafts 4021 are sequentially distributed at four corners of the mounting plate 402 at intervals, one ends of the screw rods 4022 and the guide shafts 4021 are respectively and movably connected with the fixing plate 4012 through threaded holes and through holes, the other ends of the screw rods 4022 are rotatably connected with the mounting plate 402, the mounting plate 402 is driven to slide along the guide shafts 4021 by rotating the screw rods 4022, the flaw detector 405 is driven to move along the guide shafts 4021, and the effect of adjusting the flaw detection distance between the flaw detector 405 and a welding seam of a pipeline 5 is achieved; the pressing plate 404 is fixed on the mounting plate 402 through bolts, and the flaw detector 405 is fixed on the mounting plate 402 through the pressing plate 404 and the bolts; the protection plates 403 are provided with a pair of protection plates which are respectively arranged at two sides of the flaw detector 405, and are arranged in a horn mouth shape to block ray reflection, so that the injury caused by radiation of human bodies is avoided; the protective plate 403 is hinged with the mounting plate 402, one side of the protective plate 403 is provided with a screw 4031 and a spring 4032, one end of the screw 4031 is hinged with the protective plate 403, the other end of the screw 4031 penetrates through a through groove arranged on the mounting plate 402 and is fixed by matching with a nut, and one end of the screw 4031 is provided with a limiting plate 40311; the spring 4032 is sleeved with the screw 4031, one end of the spring 4032 is in top contact with the limiting plate 40311, the other end of the spring 4032 is in top contact with the mounting plate 402, and the opening and closing angle of the protective plate 403 is adjusted by rotating a nut on the screw 4031.

When the flaw detection of the transverse weld joint of the pipeline 5 is required, the adjusting mechanism I2 drives the adjusting mechanism II 3 and the flaw detection mechanism 4 to perform flaw detection in a sliding manner along the supporting shaft 203, and when the flaw detection of the end face weld joint of the pipeline 5 is required, the motor II 105 drives the pipeline 5 to rotate, so that the flaw detection of the end face weld joint of the pipeline 5 by the flaw detector 405 is realized; when 5 pipe diameters of pipeline are not the same, provide power through I101 of motor and drive I103 of supporting seat and slide along T type groove 1021, adjust the distance between II 104 of supporting seat and the I103 of supporting seat, realize the support to different pipe diameter pipelines 5.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A radiation protection device for pipeline welding flaw detection comprises a supporting mechanism, an adjusting mechanism I, an adjusting mechanism II and a flaw detection mechanism; the device is characterized in that the supporting mechanism is arranged on one side of the adjusting mechanism I, and the adjusting mechanism II is movably connected with the adjusting mechanism I; the flaw detection mechanism is arranged on the adjusting mechanism II;

the supporting mechanism comprises a motor I, a slide rail, a supporting seat I, a supporting seat II, a motor II and a screw rod I; the pair of slide rails is provided with a T-shaped groove; a T-shaped block is arranged on the supporting seat I and is arranged in the T-shaped groove, the supporting seat II is fixed at one end of the sliding rail, rollers are arranged on the supporting seat I and the supporting seat II, and a fixed arm is fixedly arranged between the supporting seats I at two sides; the motor II is arranged on the slide rail and is positioned on one side of the supporting seat II, and a chain wheel is arranged at the shaft end of the motor II; a chain wheel is arranged on a central shaft of the roller on one group of the supporting seats II and is connected with a shaft end chain wheel of the motor II through a chain; the motor I is fixed on a foundation, and a chain wheel is arranged at the shaft end of the motor I; lead screw I is equipped with a pair ofly and is located I both sides of motor respectively, and I both ends of lead screw are passed through the bearing frame and are fixed on the ground, and lead screw I passes through screw thread swing joint fixed arm, and I tip of lead screw is equipped with the sprocket and connects the sprocket of I axle head of motor through the chain.

2. The radiation protection device for pipeline welding flaw detection according to claim 1, wherein the adjusting mechanism I comprises a motor III, a lead screw II, a supporting shaft and a mounting seat; the mounting seats are fixed on the foundation, two ends of the supporting shaft are fixedly connected with the mounting seats, and two ends of the screw rod II are rotatably connected with the mounting seats; and the motor III is fixed on the mounting seat and is connected with one end of the screw rod II through a coupler.

3. The radiation protection device for pipeline welding flaw detection according to claim 1, wherein the adjusting mechanism II comprises a fixed seat, a lead screw III, a supporting frame and a motor V; the fixed seat is movably connected with a screw rod II and a support shaft through a threaded hole and a through hole; the supporting frame is fixed on the fixed seat; the support frame is provided with a through groove I and a through groove II; the screw III is arranged in the through groove II, and two ends of the screw III are rotatably connected with the supporting frame; the motor V is fixed on the top of the support frame, and an output shaft of the motor V is connected with one end of a lead screw III.

4. The radiation protection device for pipeline welding flaw detection according to claim 1, wherein the flaw detection mechanism comprises a fixed block, a mounting plate, a protection plate, a pressing plate and a flaw detector; the left side and the right side of the fixed block are provided with guide blocks, the upper side and the lower side of the fixed block are provided with fixed plates, the fixed block is arranged in the through groove II, the guide blocks are arranged in the through groove I, and the fixed block is movably connected with a screw rod III through a threaded hole; the mounting plate is arranged on one side of the fixed block, the flaw detector, the pressing plate and the protection plate are arranged on one side of the mounting plate, a pair of guide shafts and a pair of screw rods are arranged on the other side of the mounting plate, the independent screw rods and the guide shafts are sequentially distributed at four corners of the mounting plate at intervals, one ends of the screw rods and the guide shafts are movably connected with the fixed plate through threaded holes and through holes respectively, and the other ends of the screw rods are rotatably connected with the mounting plate; the pressure plate is fixed on the mounting plate through a bolt, and the flaw detector is fixed on the mounting plate through the pressure plate and the bolt; the protection plates are provided with a pair of protection plates, are respectively arranged on two sides of the flaw detector and are arranged in a horn mouth shape; the protective plate is hinged with the mounting plate, a screw rod and a spring are arranged on one side of the protective plate, one end of the screw rod is hinged with the protective plate, the other end of the screw rod penetrates through a through groove arranged on the mounting plate and is fixed by matching with a nut, and a limiting plate is arranged at one end of the screw rod; the spring cup joints the screw rod, and limiting plate is touched on the top of spring one end, and the mounting panel is touched on the other end top.