Nondestructive testing device for engineering pipeline

Abstract

The utility model relates to the technical field of pipeline detection, in particular to a nondestructive testing device for engineering pipelines, which comprises an upper support and a lower support, the inner top surface of the upper support is fixedly connected with a telescopic cylinder, and the lower end surface of the telescopic cylinder is fixedly connected with an electric pulley block; the left end of the upper support is fixedly connected with limiting devices, and the limiting devices are symmetrically arranged about the horizontal center of the upper support. The lower support and the upper support are symmetrically arranged, and the limiting devices are arranged at the left end and the right end of the lower support correspondingly. The limiting devices located on the lower support are symmetrically arranged relative to the horizontal center of the lower support. The upper support and the lower support are symmetrically arranged, so that the whole structure of the device is more stable, the device can adapt to detection of engineering pipelines of different specifications, tracks do not need to be laid in advance, the time and labor intensity of site preparation work are greatly reduced, and therefore reliable detection of the welding quality of a steel structure in constructional engineering is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline detection technical field, concretely is a kind of nondestructive testing device for engineering pipeline. BACKGROUND

[0002] In the field of construction engineering, the application of steel structure is extremely wide, especially the structural system composed of steel columns or steel pipes. These steel columns and steel pipes are connected to each other through welding technology, and the quality of welding directly determines the construction quality of the entire construction project; therefore, the detection work to ensure the welding quality is crucial, but the existing engineering pipeline nondestructive testing device still has certain defects, such as:

[0003] The "nondestructive testing device for engineering pipeline" with application number 202221113509.3 includes a detection frame and a detection instrument, and also includes a first track, a second track and a third track, each track is connected at the head and tail to enclose the outer circumference of the pipeline, the first track is arranged between the second track and the third track, and the surface of the first track is provided with a rack; the detection frame is provided with a motor, a driving rod, a gear, a detection probe and a limiting mechanism, the motor is installed on the detection frame, and the output end of the motor is connected to one end of the driving rod; the device needs to be pre-laid with a device running track when in use, which increases the workload of the staff, and can only be used for single-specification engineering pipelines, which cannot meet the use requirements. In view of this, a nondestructive testing device for engineering pipeline is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a nondestructive testing device for engineering pipeline to solve the problems of complicated preparation work and being able to be used only for single-specification engineering pipelines of the existing nondestructive testing device for engineering pipeline in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an upper support and a lower support are included, a telescopic cylinder is fixedly connected to the inner top surface of the upper support, and an electric pulley block is fixedly connected to the lower end surface of the telescopic cylinder; a limiting device is fixedly connected to the left end of the upper support, and the limiting device is symmetrically arranged about the horizontal center of the upper support; the lower support and the upper support are symmetrically arranged, and the limiting device is arranged at the left and right ends of the lower support; the limiting device on the lower support is symmetrically arranged about the horizontal center of the lower support; the upper support and the lower support are both semicircular devices; a detection device is fixedly connected to the inner end surface of the upper support, and the detection device is located between the limiting device and the telescopic cylinder; the detection device is arranged at the right end of the inner end surface of the lower support; the detection device on the upper support and the detection device on the inner end surface of the lower support are rotationally symmetrically arranged with the center of the upper support.

[0006] Adopting the technical scheme, the overall structure stability can be ensured.

[0007] As the preferred technical scheme of the utility model, the limiting device is composed of a threaded column, a limiting shell, a baffle, a reset spring, a second baffle and a connecting column.

[0008] Adopting the technical scheme, the internal structure stability of the limiting device can be ensured.

[0009] As the preferred technical scheme of the utility model, the limiting shell right end surface and the lower support outer end surface are fixedly connected, and the threaded column penetrates the limiting shell left end surface;The baffle left end surface and the threaded column right end surface are fixedly connected;The reset spring left end and the baffle right end surface are fixedly connected, and the reset spring right end surface and the second baffle left end surface are fixedly connected;The second baffle right end surface and the connecting column left end surface are fixedly connected, and the connecting column right end penetrates the lower support;The connecting column right end is fixedly connected with an auxiliary pulley block, and the auxiliary pulley block is located in the lower support inner end surface.

[0010] Adopting the technical scheme, the accurate positioning and limiting functions can be realized.

[0011] As the preferred technical scheme of the utility model, the upper support left end surface is fixedly connected with a positioning block, and the positioning block is symmetrically arranged about the horizontal center of the upper support;The lower support left end surface is fixedly connected with the positioning block, and the positioning block on the lower support is symmetrically arranged about the horizontal center of the lower support;The positioning block is uniformly provided with a plurality of threaded grooves.

[0012] Adopting the technical scheme, the fixing device can be ensured.

[0013] As the preferred technical scheme of the utility model, the positioning block is provided with a positioning pin, and threaded holes are formed in the upper and lower ends of the positioning pin;The positioning pin is threadedly connected with a second threaded column through the threaded holes.

[0014] Adopting the technical scheme, the upper support and the lower support can be fixed.

[0015] As the preferred technical scheme of the utility model, the upper support and the lower support are provided with a pipe to be detected, and the pulley of the auxiliary pulley block abuts against the outer end surface of the pipe to be detected.

[0016] Adopting the technical scheme, the stable support and detection of the pipe to be detected can be realized.

[0017] Compared with the existing technology, the beneficial effects of the present invention are: the device makes the overall structure of the device more stable through the symmetrical arrangement of the upper and lower brackets, and can adapt to the detection of engineering pipelines of different specifications without the need for pre-laying tracks, which greatly reduces the time and labor intensity of on-site preparation work, thereby ensuring reliable detection of the welding quality of steel structures in construction projects.

[0018] 1. When using, first place the lower bracket on the lower end of the engineering pipeline, then place the upper bracket on the upper end of the engineering pipeline, use the No. 2 threaded column to connect the positioning pin with the positioning block on the lower bracket, and then use the No. 2 threaded column again to connect the positioning pin with the positioning block on the upper bracket, thereby achieving the relative connection between the upper bracket and the lower bracket;

[0019] 2. Turn the No. 1 threaded column to make the No. 1 baffle drive the reset spring and the No. 2 baffle to move toward the center of the pipe to be inspected. The No. 2 baffle drives the auxiliary pulley group to move, and then the pulley of the auxiliary pulley group abuts against the outer end surface of the pipe to be inspected.

[0020] 3. Then the telescopic cylinder drives the electric pulley block to move downward until the pulley of the electric pulley block contacts the upper end face of the pipeline to be inspected. Then the electric pulley block is started, and the electric pulley block drives the device to move along the engineering pipeline. At the same time, the detection device in the device scans and detects the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model when it is working;

[0023] Figure 3 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0024] Figure 4 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0025] Figure 5 This is a schematic diagram of the three-dimensional connection structure between the upper bracket and the lower bracket of the utility model.

[0026] In the figure: 1. Upper bracket; 2. Limit device; 201. Threaded column No. 1; 202. Limit housing; 203. Baffle No. 1; 204. Return spring; 205. Baffle No. 2; 206. Connecting column; 3. Telescopic cylinder; 4. Positioning block; 5. Detection device; 6. Pipeline to be inspected; 7. Electric pulley block; 8. Auxiliary pulley block; 9. Lower bracket; 10. Positioning pin; 11. Threaded column No. 2. DETAILED DESCRIPTION

[0027] 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 only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0028] Please refer to Figures 1-5 The utility model technical scheme: a kind of nondestructive testing device for engineering pipeline, including upper support 1 and lower support 9, upper support 1 inner top surface is fixedly connected with telescopic cylinder 3, and telescopic cylinder 3 lower end surface is fixedly connected with electric pulley block 7;Upper support 1 left end is fixedly connected with limiting device 2, and limiting device 2 is symmetrically arranged about the horizontal center of upper support 1;Lower support 9 and upper support 1 are symmetrically arranged, and limiting device 2 is arranged in the left and right ends of lower support 9;Limiting device 2 on lower support 9 is symmetrically arranged about the horizontal center of lower support 9;Upper support 1 and lower support 9 are both semicircle device;Detection device 5 is fixedly connected to the inner end surface of upper support 1, and detection device 5 is located between limiting device 2 and telescopic cylinder 3;Detection device 5 is arranged on the inner end surface right end of lower support 9;Detection device 5 on upper support 1 and detection device 5 on the inner end surface of lower support 9 are rotationally symmetrically arranged about the center of upper support 1, to facilitate the stability of overall structure;

[0029] Limiting device 2 is composed of No. 201 threaded column, limiting shell 202, No. 203 baffle, reset spring 204, No. 205 baffle and connecting column 206, to facilitate the stability of internal structure of limiting device 2;

[0030] Limiting shell 202 right end surface and lower support 9 outer end surface are fixedly connected, and No. 201 threaded column penetrates limiting shell 202 left end surface;No. 203 baffle left end surface is fixedly connected with No. 201 threaded column right end surface;Reset spring 204 left end is fixedly connected with No. 203 baffle right end surface, and reset spring 204 right end surface is fixedly connected with No. 205 baffle left end surface;No. 205 baffle right end surface is fixedly connected with connecting column 206 left end surface, and connecting column 206 right end penetrates lower support 9;Connecting column 206 right end is fixedly connected with auxiliary pulley block 8, and auxiliary pulley block 8 is located in the inner end surface of lower support 9, to facilitate accurate positioning and limiting function;

[0031] Upper support 1 left end surface is fixedly connected with positioning block 4, and positioning block 4 is symmetrically arranged about the horizontal center of upper support 1;Lower support 9 left end surface is fixedly connected with positioning block 4, and positioning block 4 on lower support 9 is symmetrically arranged about the horizontal center of lower support 9;Positioning block 4 is uniformly provided with a plurality of threaded grooves, to facilitate fixing device;

[0032] The positioning block 4 is provided with a positioning pin 10, and threaded holes are arranged at the upper and lower ends of the positioning pin 10; the positioning pin 10 is threadedly connected with a second threaded column 11 through the threaded holes, so as to facilitate the fixation of the upper support 1 and the lower support 9;

[0033] The upper support 1 and the lower support 9 are provided with the pipeline 6 to be detected, and the pulleys of the auxiliary pulley set 8 abut against the outer end surface of the pipeline 6 to be detected, so as to facilitate the stable support and detection of the pipeline 6 to be detected;

[0034] Working principle: in use, the lower support 9 is placed at the lower end of the engineering pipeline, and then the upper support 1 is placed at the upper end of the engineering pipeline; the positioning pin 10 is connected with the positioning block 4 on the lower support 9 by using the second threaded column 11, and then the positioning pin 10 is connected with the positioning block 4 on the upper support 1 by using the second threaded column 11, so as to realize the relative connection of the upper support 1 and the lower support 9;

[0035] The first threaded column 201 is screwed, so that the first baffle 203 drives the return spring 204 and the second baffle 205 to move to the center of the pipeline 6 to be detected, the second baffle 205 drives the auxiliary pulley set 8 to move, and then the pulleys of the auxiliary pulley set 8 abut against the outer end surface of the pipeline 6 to be detected;

[0036] Then the telescopic cylinder 3 drives the electric pulley set 7 to move downward until the pulleys of the electric pulley set 7 abut against the upper end surface of the pipeline 6 to be detected, and then the electric pulley set 7 is started, the electric pulley set 7 drives the device to move along the engineering pipeline, and the detection device 5 in the device scans and detects the pipeline.

[0037] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A non-destructive testing device for engineered pipelines comprising an upper bracket (1) and a lower bracket (9), characterized in that: The upper support (1) is fixedly connected with a telescopic air cylinder (3) on the inner top surface, and the lower end surface of the telescopic air cylinder (3) is fixedly connected with an electric pulley block (7); the upper support (1) is fixedly connected with a limiting device (2) on the left end, and the limiting device (2) is symmetrically arranged about the horizontal center of the upper support (1); the lower support (9) and the upper support (1) are symmetrically arranged, and the limiting device (2) is arranged on the left and right ends of the lower support (9); the limiting device (2) on the lower support (9) is symmetrically arranged about the horizontal center of the lower support (9); the upper support (1) and the lower support (9) are both semicircular devices; the inner end surface of the upper support (1) is fixedly connected with a detection device (5), and the detection device (5) is located between the limiting device (2) and the telescopic air cylinder (3); the inner end surface of the lower support (9) is provided with the detection device (5); the detection device (5) on the upper support (1) and the detection device (5) on the inner end surface of the lower support (9) are rotationally symmetrically arranged with the center of the upper support (1).

2. A device for non-destructive testing of engineered pipelines according to claim 1, characterized in that: The limiting device (2) is composed of a first threaded column (201), a limiting shell (202), a first baffle (203), a reset spring (204), a second baffle (205) and a connecting column (206).

3. A device for non-destructive testing of engineered pipelines according to claim 2, characterized in that: The right end surface of the limiting shell (202) is fixedly connected with the outer end surface of the lower support (9), and the first threaded column (201) penetrates through the left end surface of the limiting shell (202); the left end surface of the first baffle (203) is fixedly connected with the right end surface of the first threaded column (201); the left end of the reset spring (204) is fixedly connected with the right end surface of the first baffle (203), and the right end surface of the reset spring (204) is fixedly connected with the left end surface of the second baffle (205); the right end surface of the second baffle (205) is fixedly connected with the left end surface of the connecting column (206), and the right end of the connecting column (206) penetrates through the lower support (9); the right end of the connecting column (206) is fixedly connected with an auxiliary pulley block (8), and the auxiliary pulley block (8) is located on the inner end surface of the lower support (9).

4. A device for non-destructive testing of engineered pipelines according to claim 3, characterized in that: The left end surface of the upper support (1) is fixedly connected with a positioning block (4), and the positioning block (4) is symmetrically arranged about the horizontal center of the upper support (1); the left end surface of the lower support (9) is fixedly connected with the positioning block (4), and the positioning block (4) on the lower support (9) is symmetrically arranged about the horizontal center of the lower support (9); the positioning block (4) is uniformly provided with a plurality of threaded grooves.

5. A device for non-destructive testing of engineered pipelines according to claim 4, characterized in that: A positioning pin (10) is arranged in the positioning block (4), and threaded holes are arranged on the upper and lower ends of the positioning pin (10); the positioning pin (10) is threadedly connected with a second threaded column (11) through the threaded holes.

6. A device for non-destructive testing of engineered pipelines according to claim 5, characterized in that: A pipe to be detected (6) is arranged in the upper support (1) and the lower support (9), and the pulley of the auxiliary pulley block (8) abuts against the outer end surface of the pipe to be detected (6).

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