Steel pipe circumferential weld detection equipment

Abstract

The utility model belongs to the field of welding seam detection, and discloses steel pipe circumferential welding seam detection equipment, which comprises a detection device used for any bending detection, and further comprises a chassis device used for supporting opening and closing radial adjustment, and a support device used for bearing a steel pipe for axial adjustment and circumferential rotation detection is installed on the chassis device. The detection device is slidably mounted in the middle of the chassis device; the chassis device comprises a bottom plate, a sliding groove is formed in the middle of the bottom plate, and adjusting assemblies for opening and closing adjustment are symmetrically installed at the two ends of the bottom plate. The support device comprises four fixing frames which are evenly distributed, supporting wheels are installed on the outer sides of the fixing frames, and bearing assemblies used for lifting and bearing steel pipes to enter and exit are installed on the fixing frames. According to the steel pipe circumferential weld detection equipment provided by the utility model, the convenience of aligning the steel pipe circumferential weld with the detector is improved through the arrangement of supporting the steel pipe to lift and sliding for axial adjustment; and through the arrangement that the bearing rollers support the axial movement of the steel pipe in a V-shaped mode, the smoothness of circumferential movement of the steel pipe is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of weld detection, especially relates to a steel pipe annular weld detection equipment. BACKGROUND

[0002] The steel pipe annular weld is an important welding form in the steel pipe connection, has the characteristic that is closed circular ring. The annular weld is widely applied in the steel pipe connection, such as petroleum, natural gas delivery pipeline etc. Its characteristic lies in that can bear the larger internal pressure, and stress distribution is uniform, improves the pressure-bearing capacity and security of steel pipe. And in order to guarantee the use quality, need to carry out strict and comprehensive detection to the annular weld.

[0003] Contrast the patent of China with the announcement No. CN220961270U, discloses a steel pipe annular weld detection equipment, including the output rotary driving force roller frame, and the first detection instrument installed on the roller frame top through the first mounting bracket, the first detection instrument realizes telescopic displacement through displacement drive mechanism, the displacement drive mechanism is integrally arranged with the first mounting bracket, or the displacement drive mechanism is connected with the first mounting bracket;The detection range of first detection instrument is above the roller frame.

[0004] But the above patent needs to hoist the steel pipe repeatedly, or moves the detection instrument left and right, can guarantee that the detection instrument is completely aligned with the steel pipe annular weld, time-consuming and labor-consuming, therefore wants to design a new equipment. UTILITY MODEL CONTENT

[0005] The utility model is aimed at providing a steel pipe annular weld detection equipment to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A steel pipe annular weld detection equipment, including the detection device for arbitrary bending detection, still including the chassis device for supporting the opening and closing radial adjustment, the support device for supporting the steel pipe axial adjustment and circumferential rotation detection is installed on the chassis device, the detection device sliding installation is in the middle of the chassis device;The chassis device includes bottom plate, the middle of the bottom plate is provided with the sliding slot, the both ends of the bottom plate are symmetrically installed with the adjustment assembly for opening and closing adjustment;The support device includes four uniform distribution fixed frame, the support wheel is installed on the outside of the fixed frame, the support assembly for lifting the support steel pipe in and out is installed on the fixed frame.

[0008] Further, the detection device includes the sliding assembly, the bellows is installed at the top of the sliding assembly, and the detector is installed at the top of the bellows.

[0009] Further, the sliding assembly comprises a sliding frame, a vertical rod is arranged on the sliding frame, and the vertical rod and the sliding frame are welded together.

[0010] Further, the adjusting assembly comprises two symmetrical right and left threaded rods, two screw sleeve seats are symmetrically arranged on each right and left threaded rod, and a servo motor is arranged in front of the right and left threaded rod.

[0011] Further, the supporting assembly comprises a telescopic air cylinder, a supporting frame is arranged at the telescopic end of the telescopic air cylinder, and a supporting roller is arranged on the supporting frame.

[0012] Further, the supporting rollers are distributed in two groups, and the supporting rollers in each group are inclined towards the middle to form a V-shaped structure.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The arrangement of the supporting steel pipe lifting and sliding axial adjustment improves the convenience of the steel pipe annular weld joint alignment detector.

[0015] 2. The arrangement of the supporting roller V-shaped support steel pipe axial movement improves the smoothness of the steel pipe circumferential movement.

[0016] 3. The arrangement of the opening and closing radial adjustment improves the applicability to different diameter steel pipes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the steel pipe annular weld joint detection equipment according to the present application;

[0018] Figure 2 is a schematic view of the chassis device of the steel pipe annular weld joint detection equipment according to the present application;

[0019] Figure 3 is a schematic view of the support device of the steel pipe annular weld joint detection equipment according to the present application;

[0020] Figure 4 is a schematic view of the detection device of the steel pipe annular weld joint detection equipment according to the present application.

[0021] In the drawing, 101 is a bottom plate, 102 is a sliding groove, 103 is a right and left threaded rod, 104 is a screw sleeve seat, 105 is a servo motor, 201 is a fixed frame, 202 is a supporting wheel, 203 is a telescopic air cylinder, 204 is a supporting frame, 205 is a supporting roller, 301 is a sliding frame, 302 is a vertical rod, 303 is a corrugated pipe, and 304 is a detector. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 A steel pipe annular weld detection equipment, including detection device for arbitrary bending detection, also including chassis device for supporting opening and closing radial adjustment, the chassis device is installed with support device for supporting steel pipe axial adjustment and circumferential rotation detection, the detection device is slidingly installed in the middle of the chassis device.

[0024] In the embodiment: the chassis device includes a bottom plate 101, a chute 102 is arranged in the middle of the bottom plate 101, and adjustment assemblies for opening and closing adjustment are symmetrically installed at both ends of the bottom plate 101; the adjustment assembly includes two symmetrical right and left threaded rods 103, two screw sleeve seats 104 are symmetrically installed on each right and left threaded rod 103, and a servo motor 105 is arranged in front of the right and left threaded rod 103; the bottom plate 101 supports the servo motor 105 to drive the right and left threaded rod 103 to rotate, the fixed frame 201 is pushed to move close to or away from each other through the screw sleeve seat 104, the distance between the support wheels 202 is adjusted, so that the steel pipes of different diameters are adapted, and the chute 102 is used to limit the moving direction of the sliding frame 301;

[0025] In the embodiment: the support device includes four fixed frames 201 which are uniformly distributed, the support wheels 202 are installed on the outer side of the fixed frame 201, and the supporting assemblies for lifting the steel pipe in and out are installed on the fixed frame 201; the supporting assembly includes a telescopic cylinder 203, the telescopic cylinder 203 is installed with a supporting frame 204 at the telescopic end, the supporting frame 204 is installed with supporting rollers 205, the supporting rollers 205 are distributed in two groups, each group of supporting rollers 205 is inclined to the middle relative to each other, and forms a V-shaped structure; the fixed frame 201 supports the circumferential rotation of the steel pipe through the support wheel 202, the overall detection of the annular weld is ensured, the telescopic cylinder 203 is telescopic and drives the supporting rollers 205 to ascend and descend through the supporting frame 204, the steel pipe is moved along the axial direction, and the annular weld is aligned with the detector 304;

[0026] In the embodiment: the detection device includes a sliding assembly, the sliding assembly is installed with a bellows 303 at the top end, and the bellows 303 is installed with a detector 304 at the top end; the sliding assembly includes a sliding frame 301, the sliding frame 301 is provided with a vertical rod 302, and the vertical rod 302 and the sliding frame 301 are welded together; the sliding frame 301 is slid along the chute 102, the vertical rod 302 supports the bellows 303 to drive the detector 304 to move, then the bellows 303 is bent, the detector 304 is close to the surface of the steel pipe, and the annular weld of the steel pipe is detected.

[0027] Working principle: the bottom plate 101 supports the servo motor 105 to drive the positive and negative screw rod 103 to rotate, the fixed frame 201 is pushed to be close to or far away from each other through the screw sleeve seat 104, the interval between the support wheels 202 is adjusted to adapt to the steel pipe with different diameters, the steel pipe is placed between the support wheels 202 first, then the sliding frame 301 is slid along the sliding groove 102, the vertical rod 302 supports the corrugated pipe 303 to drive the detector 304 to move, then the corrugated pipe 303 is bent, the detector 304 is close to the surface of the steel pipe, then the fixed frame 201 supports the telescopic air cylinder 203 to extend to push the support bracket 204 to support the support roller 205 to rise, the steel pipe is lifted, the steel pipe is separated from the support wheel 202, the steel pipe is pushed along the axial direction, the annular weld of the steel pipe is moved to be aligned with the detector 304, finally the telescopic air cylinder 203 is retracted to drive the support bracket 204 to drive the support roller 205 to descend to reset, the steel pipe is separated, the support wheel 202 supports the steel pipe again, then the steel pipe is rotated circumferentially under the support of the support wheel 202, the detector 304 detects the annular weld of the steel pipe.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel pipe circumferential weld inspection device, comprising a detection device for detecting arbitrary bends, characterized in that: It also includes a chassis device for supporting the opening and closing radial adjustment, on which a bracket device for supporting the axial adjustment and circumferential rotation detection of the steel pipe is installed, and the detection device is slidably installed in the middle of the chassis device; The chassis device includes a base plate (101), a sliding groove (102) is provided in the middle of the base plate (101), and adjustment components for opening and closing are symmetrically installed at both ends of the base plate (101); The support device includes four evenly distributed fixed frames (201), with support wheels (202) installed on the outside of the fixed frames (201), and support components for lifting and lowering the steel pipes in and out are installed on the fixed frames (201).

2. The steel pipe circumferential weld inspection equipment according to claim 1, characterized in that: The detection device includes a sliding assembly, a bellows (303) is mounted on the top of the sliding assembly, and a detector (304) is mounted on the top of the bellows (303).

3. The steel pipe circumferential weld inspection equipment according to claim 2, characterized in that: The sliding assembly includes a carriage (301) on which a vertical rod (302) is provided, and the vertical rod (302) and the carriage (301) are welded together.

4. The steel pipe circumferential weld inspection equipment according to claim 1, characterized in that: The adjustment assembly includes two symmetrically arranged positive and negative threaded screws (103), each of which has two symmetrically mounted threaded sleeve seats (104), and a servo motor (105) is provided in front of each positive and negative threaded screw (103).

5. The steel pipe circumferential weld inspection equipment according to claim 1, characterized in that: The support assembly includes a telescopic cylinder (203), and a support frame (204) is installed on the telescopic end of the telescopic cylinder (203). A support roller (205) is installed on the support frame (204).

6. The steel pipe circumferential weld inspection equipment according to claim 5, characterized in that: The support rollers (205) are distributed in two groups, and each group of support rollers (205) is inclined towards the middle to form a V-shaped structure.

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