CN216746666U

CN216746666U - Nondestructive testing device

Info

Publication number: CN216746666U
Application number: CN202220471642.XU
Authority: CN
Inventors: 山雨宏; 解勇; 孔慧; 董珊珊; 李振亮; 张曙华
Original assignee: Liaoning Liaohe Oilfield Aowei Testing Co ltd
Current assignee: Liaoning Liaohe Oilfield Aowei Testing Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-06-14
Anticipated expiration: 2032-03-04

Abstract

The utility model relates to the field of detection devices, in particular to a nondestructive detection device, which comprises a pipeline, an end sealing assembly, an inflation nozzle, a pressure gauge a, a pressure gauge b and a bolt b, wherein the end sealing assembly is arranged on the pipeline; the inner wall of the barrel bottom of the barrel body is attached to the end face of the pipeline; the support rod is rotatably arranged on the groove wall of the strip-shaped groove; two groups of reel are respectively arranged at two ends of the support rod; the pull rope is wound on the winding wheel, and the other end of the pull rope is connected with the limiting ring; the limiting ring is sleeved on the pipeline; the end sealing assemblies are arranged in two groups; the bolt b penetrates through the through hole, and a nut is arranged on the bolt b; the charging connector and the pressure gauge a are arranged on the outer wall of the barrel bottom of the barrel body; the pressure gauge a is arranged on the outer wall of the bottom of the other group of barrel bodies. The nondestructive testing device is simple in structure, small in size, convenient to carry, simple and convenient in nondestructive testing operation, time-saving and labor-saving.

Description

Nondestructive testing device

Technical Field

The utility model relates to the field of detection devices, in particular to a nondestructive detection device.

Background

Common types of defects in pipes are: the pipeline has the advantages that the pipeline is provided with air holes, shrinkage porosity, shrinkage cavities, cracks and the like, the structural performance and the product quality of the pipeline can be affected by the defects, and when the pipeline is damaged or cracked, the leakage of substances inside the pipeline can be caused, so that potential safety hazards are generated. The existing pipeline nondestructive testing equipment has a complex structure and is expensive.

Chinese patent No. CN212321011U discloses a nondestructive testing device for building pipelines. Building pipeline nondestructive test device includes two one-level seal subassemblies and two second grade seal subassemblies, and one-level seal subassembly is installed at the both ends of pipeline, and one-level seal subassembly is used for right the both ends of pipeline are sealed, and the second grade seal subassembly sets up on one-level seal subassembly, and one side of second grade seal subassembly extends to in the pipeline. The building pipeline nondestructive testing device provided by the utility model has the advantages of simple structure and low manufacturing cost.

However, the above-mentioned known solutions have the following disadvantages: realize the sealing to the pipeline both ends through the lead screw connection between two one-level seal assembly, because the existence of lead screw leads to overall structure very long, occupation space is big, carries inconveniently, and need put into the aquatic with pipeline and device are whole when detecting, follow-up still must dry detection device and pipeline, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a nondestructive testing device which is simple in structure, small in size and simple and convenient to operate, aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: a nondestructive testing device comprises a pipeline, an end part sealing assembly, an inflating nozzle, a pressure gauge a, a pressure gauge b and a bolt b; the end sealing assembly comprises a barrel body, a supporting rod, a winding wheel, a pull rope and a limiting ring;

the opening of the barrel body faces the pipeline, the inner wall of the barrel bottom of the barrel body is attached to the end face of the pipeline, and a strip-shaped groove is formed in the outer wall of the barrel bottom of the barrel body; the support rod is rotatably arranged on the groove wall of the strip-shaped groove, the support rod is arranged along the diameter direction of the barrel body, and the strip-shaped groove is internally provided with a limiting assembly for limiting the rotation of the support rod; the two groups of winding wheels are arranged at two ends of the support rod respectively and are positioned in the strip-shaped groove; the pull ropes are wound on the winding wheel, the other ends of the pull ropes are connected with the limiting ring, through holes for the pull ropes to pass through are formed in the barrel bottom of the barrel body, and the two groups of pull ropes are arranged; the limiting ring is sleeved on the pipeline, and a plurality of groups of through holes are arranged on the limiting ring along the axis direction of the pipeline; the end sealing assemblies are arranged in two groups, the two groups of end sealing assemblies are arranged in a sealing and symmetrical mode, and the through holes in the two groups of limiting rings are opposite one by one;

the bolt b penetrates through the through hole, a nut is arranged on the bolt b, and the heads of the nut and the bolt b are respectively attached to the opposite sides of the two groups of limiting rings; the inflating nozzle and the pressure gauge a are arranged on the outer wall of the barrel bottom of the barrel body, and the detecting ends of the inflating nozzle and the pressure gauge a are communicated with the inner cavity of the pipeline; the pressure gauge a is arranged on the outer wall of the bottom of the other group of barrel bodies, and the detection end of the pressure gauge a is communicated with the inner cavity of the pipeline.

Preferably, the limiting assembly comprises a limiting plate and a bolt a; the limiting plate sets up on the bracing piece outer wall, and the limiting plate uses the bracing piece as the center and evenly sets up four groups along the circumference, sets up the screw hole on the limiting plate, and bar groove tank bottom sets up two sets of screw holes, and bolt an passes the screw hole on a set of limiting plate and inserts in the screw hole of bar groove tank bottom, and bolt an sets up two sets ofly.

Preferably, the inner wall of the barrel bottom of the barrel body is provided with an elastic sealing layer, and the elastic sealing layer is attached to the end part of the pipeline in an extrusion mode.

Preferably, the limiting ring is provided with a clamping ring on the end face facing the barrel body, and the inner circumferential surface of the clamping ring is attached to the outer circumferential surface of the barrel body in the accommodating state.

Preferably, the snap ring is an elastic rubber ring.

Preferably, the end part of the clamping ring close to the barrel body is provided with a guide inclined plane, and the diameter of the cross section circle of the guide inclined plane is gradually reduced in the direction far close to the limiting ring.

Preferably, the number of the through holes formed in the limiting ring is two, the two groups of through holes are located on two sides of the diameter of the limiting ring, the two groups of through holes and the two groups of pull ropes are distributed in a staggered mode, and the bolts b are arranged in two groups.

Compared with the prior art, the utility model has the following beneficial technical effects: seal pipeline end through the staving, it is suitable to rotate the bracing piece messenger stay cord length, two sets of spacing rings are close to each other, then it is fixed with the bracing piece through spacing subassembly, draw near two sets of spacing rings each other through bolt b, thereby accomplish the closure to the pipeline both ends, later fill into the atmospheric pressure in certain gaseous increase pipeline through the charging connector in to the pipeline, observe manometer an and manometer b's indicating value, when both indicating values are equal, it has been stable to explain pipeline internal gas pressure, maintain a certain time, if manometer an and manometer b's indicating value does not descend, then explain the pipeline and do not reveal the damage, nondestructive test easy operation is convenient, and after the detection, screw bolt b is twisted off, be close to the staving with the spacing ring and take off from the pipeline, moreover, the steam generator is simple in structure, small in size, and convenient for carrying.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

fig. 3 is a top cross-sectional view of fig. 1.

Reference numerals: 1. a pipeline; 2. a barrel body; 3. a strip-shaped groove; 4. a support bar; 5. a reel; 6. a via hole; 7. pulling a rope; 8. a limiting ring; 9. a limiting plate; 10. a threaded hole; 11. a bolt a; 12. an air charging nozzle; 13. a pressure gauge a; 14. a pressure gauge b; 15. a bolt b; 16. a snap ring; 17. a guide slope.

Detailed Description

Example one

As shown in fig. 1-3, the nondestructive testing device provided by the present invention comprises a pipe 1, an end sealing assembly, an inflation nozzle 12, a pressure gauge a13, a pressure gauge b14, and a bolt b 15; the end part sealing assembly comprises a barrel body 2, a support rod 4, a reel 5, a pull rope 7 and a limiting ring 8;

the opening of the barrel body 2 faces the pipeline 1, an elastic sealing layer is arranged on the inner wall of the barrel bottom of the barrel body 2, the elastic sealing layer is extruded and attached to the end part of the pipeline 1, and a strip-shaped groove 3 is arranged on the outer wall of the barrel bottom of the barrel body 2; the support rod 4 is rotatably arranged on the groove wall of the strip-shaped groove 3, the support rod 4 is arranged along the diameter direction of the barrel body 2, and a limiting component for limiting the rotation of the support rod 4 is arranged in the strip-shaped groove 3; the two groups of winding wheels 5 are arranged, the two groups of winding wheels 5 are respectively arranged at two ends of the support rod 4, and the winding wheels 5 are positioned in the strip-shaped groove 3; the pull ropes 7 are wound on the reel 5, the other ends of the pull ropes 7 are connected with the limiting ring 8, through holes 6 for the pull ropes 7 to penetrate through are formed in the barrel bottom of the barrel body 2, and two groups of pull ropes 7 are arranged; the limiting ring 8 is sleeved on the pipeline 1, and two groups of through holes are arranged on the limiting ring 8 along the axial direction of the pipeline 1; the end sealing assemblies are arranged in two groups, the two groups of end sealing assemblies are arranged in a sealing and symmetrical mode, and the through holes in the two groups of limiting rings 8 are opposite one by one;

the bolt b15 penetrates through the through hole, a nut is arranged on the bolt b15, the heads of the nut and the bolt b15 are respectively attached to one side of the two groups of limiting rings 8, which are opposite to each other, the two groups of through holes are positioned on two sides of the diameter of each limiting ring 8, the two groups of through holes and the two groups of pull ropes 7 are distributed in a staggered mode, and the two groups of bolts b15 are arranged; the charging connector 12 and the pressure gauge a13 are arranged on the outer wall of the bottom of the barrel body 2, and the detection ends of the charging connector 12 and the pressure gauge a13 are communicated with the inner cavity of the pipeline 1; the pressure gauge a13 is arranged on the outer wall of the bottom of the other group of barrel bodies 2, and the detection end of the pressure gauge a13 is communicated with the inner cavity of the pipeline 1.

In this embodiment, seal pipeline 1 tip through staving 2, it is suitable to rotate bracing piece 4 and make stay cord 7 length, two sets of spacing ring 8 are close to each other, then it is fixed with bracing piece 4 through spacing subassembly, draw close two sets of spacing ring 8 each other through bolt b15, thereby accomplish the closure to pipeline 1 both ends, later through filling into the atmospheric pressure in certain gas increase pipeline 1 in the charging connector 12 to pipeline 1, observe manometer a13 and manometer b 14's indicating value, when both indicating values are equal, it has been stable to explain pipeline 1 internal gas pressure, maintain a certain time, if manometer a13 and manometer b 14's indicating value does not descend, it does not explain the pipeline and does not reveal the damage, and detection operation is simple and convenient, and after the nondestructive test, screw bolt b15 is unscrewed, take off spacing ring 8 from pipeline 1 near staving 2, moreover, the steam generator is simple in structure, the size is small, and is convenient for carrying.

Example two

As shown in fig. 1-2, in a nondestructive testing apparatus according to the present invention, compared with the first embodiment, the limiting component includes a limiting plate 9 and a bolt a 11; limiting plate 9 sets up on 4 outer walls of bracing piece, and limiting plate 9 uses bracing piece 4 evenly to set up four groups along the circumference as the center, sets up screw hole 10 on the limiting plate 9, and bar groove 3 tank bottom sets up two sets of screw holes, and bolt a11 passes screw hole 10 on a set of limiting plate 9 and in inserting the screw hole 10 of bar groove 3 tank bottom, and bolt a11 sets up two sets ofly.

In this embodiment, after the bracing piece 4 rotates and grows the stay cord 7 to suitable position, finely tune 4 angles of bracing piece, make two sets of limiting plates 9 just to the bottom of bar groove 3 groove, just can fix bracing piece 4 in inserting the threaded hole through bolt a11 afterwards.

EXAMPLE III

As shown in fig. 2-3, compared to the first embodiment, the non-destructive testing apparatus of the present invention has a retaining ring 16 disposed on an end surface of the limiting ring 8 facing the barrel 2, and in the accommodated state, an inner circumferential surface of the retaining ring 16 is attached to an outer circumferential surface of the barrel 2. The snap ring 16 is an elastic rubber ring. The end part of the clamping ring 16 close to the barrel body 2 is provided with a guide inclined surface 17, and the diameter of the cross section circle of the guide inclined surface 17 is gradually reduced in the direction far away from the limiting ring 8

In this embodiment, after the detection, with 16 cards of snap ring on 2 outer walls of staving, accomplish the stable of spacing ring 8 and place, further reduce the size, more conveniently carry.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A nondestructive testing device is characterized by comprising a pipeline (1), an end sealing assembly, an inflating nozzle (12), a pressure gauge a (13), a pressure gauge b (14) and a bolt b (15); the end sealing assembly comprises a barrel body (2), a support rod (4), a winding wheel (5), a pull rope (7) and a limiting ring (8);

the opening of the barrel body (2) faces the pipeline (1), the inner wall of the barrel bottom of the barrel body (2) is attached to the end face of the pipeline (1), and the outer wall of the barrel bottom of the barrel body (2) is provided with a strip-shaped groove (3); the support rods (4) are rotatably arranged on the wall of the strip-shaped groove (3), the support rods (4) are arranged along the diameter direction of the barrel body (2), and a limiting component for limiting the rotation of the support rods (4) is arranged in the strip-shaped groove (3); the two groups of winding wheels (5) are arranged, the two groups of winding wheels (5) are respectively arranged at two ends of the support rod (4), and the winding wheels (5) are positioned in the strip-shaped groove (3); the pull ropes (7) are wound on the winding wheel (5), the other ends of the pull ropes (7) are connected with the limiting ring (8), through holes (6) for the pull ropes (7) to pass through are formed in the barrel bottom of the barrel body (2), and the pull ropes (7) are arranged in two groups; the limiting ring (8) is sleeved on the pipeline (1), and a plurality of groups of through holes are formed in the limiting ring (8) along the axial direction of the pipeline (1); the end sealing assemblies are arranged in two groups, the two groups of end sealing assemblies are arranged in a sealing and symmetrical mode, and the through holes in the two groups of limiting rings (8) are opposite one by one;

the bolt b (15) penetrates through the through hole, a nut is arranged on the bolt b (15), and the heads of the nut and the bolt b (15) are respectively attached to the back sides of the two groups of limiting rings (8); the inflating nozzle (12) and the pressure gauge a (13) are arranged on the outer wall of the barrel bottom of the barrel body (2), and the detecting ends of the inflating nozzle (12) and the pressure gauge a (13) are communicated with the inner cavity of the pipeline (1); the pressure gauge a (13) is arranged on the outer wall of the bottom of the other group of barrel bodies (2), and the detection end of the pressure gauge a (13) is communicated with the inner cavity of the pipeline (1).

2. The nondestructive testing device according to claim 1, wherein the position-limiting assembly comprises a position-limiting plate (9) and a bolt a (11); limiting plate (9) set up on bracing piece (4) outer wall, and limiting plate (9) use bracing piece (4) evenly to set up four groups along the circumference as the center, set up screw hole (10) on limiting plate (9), and bar groove (3) tank bottom sets up two sets of screw holes, and in screw hole (10) that screw hole (10) on a set of limiting plate (9) and inserted bar groove (3) tank bottom were passed in bolt a (11), bolt a (11) set up two sets ofly.

3. The nondestructive testing device of claim 1, wherein the inner wall of the bottom of the barrel body (2) is provided with an elastic sealing layer, and the elastic sealing layer is attached to the end of the pipeline (1) in an extrusion manner.

4. The nondestructive testing device according to claim 1, wherein a snap ring (16) is provided on an end surface of the retainer ring (8) facing the barrel body (2), and in the accommodated state, an inner peripheral surface of the snap ring (16) is fitted to an outer peripheral surface of the barrel body (2).

5. The non-destructive testing device according to claim 4, wherein the snap ring (16) is an elastic rubber ring.

6. The nondestructive testing device according to claim 4, wherein the end of the snap ring (16) near the barrel (2) is provided with a guide slope (17), and the guide slope (17) has a cross-sectional circular diameter gradually decreasing in a direction from a far end to the retainer ring (8).

7. The nondestructive testing device according to claim 1, wherein the number of the through holes provided on the limit ring (8) is two, two sets of the through holes are provided on both sides of the diameter of the limit ring (8), two sets of the through holes are distributed in a staggered manner with two sets of the pull ropes (7), and two sets of the bolts b (15) are provided.