Handheld pipeline welding seam nondestructive testing device

Abstract

The utility model belongs to the technical field of pipeline detection equipment, and discloses a handheld pipeline welding seam nondestructive detection device which comprises a supporting mechanism for detecting the whole moving pipeline and two adjusting mechanisms symmetrically arranged on the two sides of the supporting mechanism and used for adjusting the fixed diameter in a threaded transmission telescopic mode. A fastening mechanism used for electrically and telescopically pushing four fixing points to hold the pipeline in a matched mode is installed at the bottom of the adjusting mechanism, the supporting mechanism comprises a supporting plate, and a first handle is arranged in the middle of the top of the supporting plate. The handheld pipeline welding seam nondestructive testing device can be suitable for pipelines with different specifications and diameters through the arrangement of the thread transmission telescopic adjustment fixed diameter, the applicability is improved, the operation convenience is effectively improved through the arrangement of the electric telescopic pushing fixed points to be matched with and tightly hold the pipeline, and the practicability is high. Through the arrangement of four-point supporting universal movement, linear movement and circumferential pipeline detection can be realized at the same time, and the detection comprehensiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline detection equipment technical field, especially, relate to a handheld pipeline weld nondestructive testing device. BACKGROUND

[0002] Nondestructive testing refers to the premise that does not damage or does not affect the use performance of the detected object, does not harm the internal organization of the detected object, utilizes the heat, sound, light, electricity, magnetism etc. Reaction changes caused by the abnormal structure or defect existence in material, uses physical or chemical method as the means, and checks and tests the structure, nature, state, defect type, nature, quantity, shape, position, size, distribution and change of the inside and surface of test piece by means of modern technology and equipment.

[0003] Contrast the patent of China with the announcement number CN219830965U, discloses a kind of portable pressure pipeline weld ultrasonic detector, including support plate and four gyro wheels, the upper surface of the support plate is fixedly connected with two handles, the lower surface of the support plate is fixedly connected with probe, the position of the lower surface of the support plate relative to probe both sides is equipped with detection column, the lower surface of the support plate is equipped with adjusting structure, the adjusting structure includes two fixed frames, the upper surface of two fixed frames is fixedly connected with support plate, the lower surface of the fixed frame is fixedly connected with fixed plate, the side of the fixed plate is screwed and penetrates screw rod, one end of the screw rod is rotatably connected with connecting plate, the side of the connecting plate close to screw rod is fixedly connected with two adjusting rods, the inner wall of the fixed frame is slidably connected with two support rods.

[0004] But the above-mentioned patent cannot hold tightly pipeline when detecting pipeline weld, and the distance of detection point is fixed relative to pipeline, it is more inconvenient to operate, and can only move detection in straight line, cannot realize circumferential detection, detection is not comprehensive enough, and detection result is not accurate enough, so a new device needs to be designed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of handheld pipeline weld nondestructive testing device to solve the problems raised in the above background.

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

[0007] A kind of handheld pipeline weld nondestructive testing device, including the support mechanism for detecting pipeline movement whole, still include the two adjusting mechanisms for screw thread transmission telescopic adjustment fixed diameter that the support mechanism both sides are symmetrically arranged, the fastening mechanism for electric telescopic pushing four-point cooperation to hold tightly pipeline is installed in the bottom of the adjusting mechanism.

[0008] The adjusting mechanism comprises a transmission assembly, a connecting plate is mounted at the bottom of the transmission assembly, the transmission assembly is bolted to the connecting plate, two limiting sliding sleeves are symmetrically mounted on the connecting plate at both sides of the transmission assembly;

[0009] The fastening mechanism comprises a mounting seat, a power assembly is mounted on the mounting seat, a first universal wheel is mounted at the telescopic end of the power assembly.

[0010] Further, the supporting mechanism comprises a supporting plate, a first handle is arranged at the top of the supporting plate, two second handles are symmetrically arranged at both ends of the first handle and are arranged perpendicularly to the first handle, a detector is arranged at the bottom of the supporting plate, two second universal wheels are symmetrically arranged at both sides of the detector, and four limiting rods are uniformly arranged at the bottom of the supporting plate.

[0011] Further, the transmission assembly comprises a DC motor, a screw rod is mounted at the output end of the DC motor, a threaded sleeve is mounted on the screw rod, and the threaded sleeve is bolted to the connecting plate.

[0012] Further, the limiting sliding sleeve is bolted to the connecting plate, and the limiting rod is in sliding connection with the limiting sliding sleeve.

[0013] Further, the power assembly comprises an electric cylinder, a telescopic rod is mounted at the telescopic end of the electric cylinder, and the first universal wheel is bolted to the telescopic rod.

[0014] Further, the mounting seat is bolted to the connecting plate.

[0015] Compared with the prior art, the hand-held pipeline weld non-destructive testing device has the advantages that:

[0016] 1. The threaded transmission telescopic adjustment fixed diameter setting can be applied to pipelines of different specifications and diameters, and the applicability is improved.

[0017] 2. The electric telescopic pushing fixed point four-point cooperation holding pipeline setting effectively improves the operation convenience.

[0018] 3. The four-point supporting universal movement setting can realize linear movement and circumferential pipeline detection at the same time, and improves the detection comprehensiveness. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the hand-held pipeline weld non-destructive testing device;

[0020] Figure 2 is an axonometric view of the supporting mechanism of the hand-held pipeline weld non-destructive testing device;

[0021] Figure 3 is the adjusting mechanism structure schematic view of the handheld pipeline weld nondestructive testing device of the utility model;

[0022] Figure 4 is the fastening mechanism structure schematic view of the handheld pipeline weld nondestructive testing device of the utility model.

[0023] In the drawing mark: 101, support plate;102, first handle;103, second handle;104, detector;105, second universal wheel;106, limiting rod;201, connecting plate;202, limiting sliding sleeve;203, direct current motor;204, screw;205, threaded sleeve;301, mounting seat;302, first universal wheel;303, electric cylinder;304, telescopic rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 A handheld pipeline weld nondestructive testing device, including support mechanism for detecting pipeline movement whole, still include two adjusting mechanism for thread transmission telescopic adjustment fixed diameter that are symmetrically arranged on both sides of support mechanism, the fastening mechanism for four point cooperation hug pipeline that is used for electric telescopic push fixed point is installed at the bottom of adjusting mechanism.

[0026] In the embodiment: support mechanism includes support plate 101, the top middle of support plate 101 is provided with first handle 102, two second handles 103 are symmetrically arranged in the both ends of first handle 102, second handle 103 is perpendicular to first handle 102, the bottom middle of support plate 101 is provided with detector 104, two second universal wheels 105 are symmetrically arranged on both sides of detector 104, four limiting rods 106 are evenly arranged on the bottom of support plate 101, and detection personnel hold whole through first handle 102 and second handle 103, place it on the pipeline to be detected under the support of second universal wheel 105, support plate 101 supports direct current motor 203, and pipeline weld is detected using detector 104;

[0027] In the embodiment, the adjusting mechanism comprises a transmission assembly, the bottom of the transmission assembly is provided with a connecting plate 201, the transmission assembly is bolted to the connecting plate 201, two limiting sliding sleeves 202 are symmetrically arranged on the connecting plate 201 at the two sides of the transmission assembly, the transmission assembly comprises a DC motor 203, the output end of the DC motor 203 is provided with a screw rod 204, the screw rod 204 is provided with a threaded sleeve 205, the threaded sleeve 205 is bolted to the connecting plate 201, the limiting sliding sleeves 202 are bolted to the connecting plate 201, the limiting rods 106 are slidably connected to the limiting sliding sleeves 202, the DC motor 203 drives the screw rod 204 to rotate, the screw rod 204 cooperates with the threaded sleeve 205 to push the connecting plate 201 to move up and down under the limiting action of the limiting rods 106 and the limiting sliding sleeves 202, and the connecting plate 201 drives the mounting base 301 to move up and down.

[0028] In the embodiment, the fastening mechanism comprises a mounting base 301, the mounting base 301 is provided with a power assembly, the power assembly is provided with a first universal wheel 302 at the telescopic end, the power assembly comprises an electric cylinder 303, the electric cylinder 303 is provided with a telescopic rod 304 at the telescopic end, the first universal wheel 302 is bolted to the telescopic rod 304, the mounting base 301 is bolted to the connecting plate 201, the mounting base 301 moves up and down to adjust the height of the first universal wheel 302 according to the diameter of the pipeline, and the electric cylinder 303 pushes the telescopic rod 304 to drive the first universal wheel 302 to push the pipeline to cooperate with the second universal wheel 105 to tightly hold the pipeline.

[0029] The working principle is as follows: the detection personnel hold the whole through the first handle 102 and the second handle 103, and place the whole on the pipeline to be detected under the support of the second universal wheel 105, the supporting plate 101 supports the DC motor 203 to drive the screw rod 204 to rotate, the screw rod 204 cooperates with the threaded sleeve 205 to push the connecting plate 201 to move up and down under the limiting action of the limiting rods 106 and the limiting sliding sleeves 202, the connecting plate 201 drives the mounting base 301 to move up and down to adjust the height of the first universal wheel 302 according to the diameter of the pipeline, the electric cylinder 303 pushes the telescopic rod 304 to drive the first universal wheel 302 to push the pipeline to cooperate with the second universal wheel 105 to tightly hold the pipeline, the detection personnel can drive the whole to rotate around the circumference of the pipeline or move linearly through the first handle 102 and the second handle 103, and detect the pipeline weld through the detector 104.

[0030] 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 modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hand-held device for non-destructive testing of a weld in a pipe, comprising a support mechanism for detecting the overall movement of the pipe, characterised in that: Two adjusting mechanisms for screw transmission telescopic adjustment and fixed diameter symmetrically arranged on both sides of the supporting mechanism, the bottom of the adjusting mechanism is provided with a fastening mechanism for electric telescopic push fixed point four-point cooperation to hold the pipeline; The adjusting mechanism comprises a transmission assembly, the bottom of the transmission assembly is provided with a connecting plate (201), the transmission assembly is bolted with the connecting plate (201), two limiting sliding sleeves (202) are symmetrically arranged on the connecting plate (201) on both sides of the transmission assembly; The fastening mechanism comprises a mounting seat (301), the mounting seat (301) is provided with a power assembly, and the telescopic end of the power assembly is provided with a first universal wheel (302).

2. A handheld pipe weld non-destructive testing device according to claim 1, characterized in that: The supporting mechanism comprises a supporting plate (101), the top of the supporting plate (101) is provided with a first handle (102) in the middle, two second handles (103) are symmetrically arranged at both ends of the first handle (102), the second handles (103) are arranged vertically to the first handle (102), a detector (104) is arranged in the middle of the bottom of the supporting plate (101), two second universal wheels (105) are symmetrically arranged on both sides of the detector (104), and four limiting rods (106) are uniformly arranged on the bottom of the supporting plate (101).

3. A handheld pipe weld non-destructive testing device according to claim 1, wherein: The transmission assembly comprises a DC motor (203), the output end of the DC motor (203) is provided with a screw rod (204), the screw rod (204) is provided with a threaded sleeve (205), and the threaded sleeve (205) is bolted with the connecting plate (201).

4. A handheld pipe weld non-destructive testing device according to claim 2, wherein: The limiting sliding sleeve (202) is bolted with the connecting plate (201), and the limiting rod (106) is slidingly connected with the limiting sliding sleeve (202).

5. A handheld pipe weld non-destructive testing device according to claim 1, wherein: The power assembly comprises an electric cylinder (303), the telescopic end of the electric cylinder (303) is provided with a telescopic rod (304), and the first universal wheel (302) is bolted with the telescopic rod (304).

6. A handheld pipe weld non-destructive testing device according to claim 1, wherein: The mounting seat (301) is bolted with the connecting plate (201).

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