CN218524309U

CN218524309U - Nondestructive testing device for pipeline welding seam

Info

Publication number: CN218524309U
Application number: CN202222813845.5U
Authority: CN
Inventors: 张班超; 杜向阳; 冯军胜; 王杰; 张鹏
Original assignee: Henan Jieheng Testing Service Co ltd
Current assignee: Henan Jieheng Testing Service Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-02-24
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to a nondestructive testing device for pipeline welding seams, which comprises a liquid surface groove, wherein liquid is arranged in the liquid surface groove and is used for immersing a pipe to be tested, a blocking head is arranged on the inner wall of one end of the liquid surface groove, a pressing device is arranged on the inner wall of the other end of the liquid surface groove, a gas injection head is arranged at the tail end of a sliding column of the pressing device, a pressing plate is arranged on the adjacent side of the gas injection head, and the gas injection head is communicated with a pressure source; the tail ends of the blocking heads and the sliding column are provided with conical blocking surfaces, and elastic layers are arranged on the conical blocking surfaces.

Description

Nondestructive testing device for pipeline welding seam

Technical Field

The utility model belongs to the technical field of a pipeline welding seam nondestructive test device technique and specifically relates to a pipeline welding seam nondestructive test device.

Background

Companies produce a batch of pipelines, welding seams are required to have air tightness, air tightness detection and test are required, and the existing equipment mainly comprises the following methods for nondestructive inspection of the welding seams: the detection is complex, the detection cost is high, and the eddy current flaw detection with gas holes can be detected in the detection, but the leakage condition still cannot be determined, and whether the use requirement is met or not is still met, so that secondary verification is needed, effective technical measures and equipment are lacked, and improvement is needed aiming at the conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline welding seam nondestructive test device has and verifies effectual, efficient, simple operation, convenient observation.

The utility model aims at solving at least one of the technical problems existing in the prior art, the utility model provides a pipeline welding seam nondestructive testing device, which comprises a liquid surface groove, wherein liquid is arranged in the liquid surface groove and is used for immersing a pipe to be tested, a blocking head is arranged on the inner wall of one end of the liquid surface groove, a pressing device is arranged on the inner wall of the other end of the liquid surface groove, a gas injection head is arranged at the tail end of a sliding column of the pressing device, a pressing plate is arranged at the adjacent side of the gas injection head, and the gas injection head is communicated with a pressure source; the tail ends of the blocking heads and the sliding column are provided with conical blocking surfaces, and elastic layers are arranged on the conical blocking surfaces; the structure is utilized to realize basic injection, plugging, liquid level immersion and basic device for observing air leakage, meets the basic detection requirement, has convenient operation, high efficiency, low omission factor and very reliable result, and is favorable for improving the product quality and classifying products.

The technical scheme provided by the application also has the following technical characteristics:

furthermore, the conical plugging surface of the plugging head and the tail end of the sliding column is detachably connected, and the plugging head is matched with the tail end of the sliding column; therefore, different matched plugging devices can be selected in the face of different pipe diameters, so that the pipe diameter range required by the plugging device can be controlled within a certain range, and the structural requirements and difficulty are reduced.

Further, the pressing device comprises a pneumatic cylinder or a hydraulic cylinder or an electric telescopic device; the operation is convenient and fast, and the effect is good.

Furthermore, the pressing plate is connected with the sliding column through a pin shaft; the structure is reliable, so that the fixing is firm, and the use requirements created by the invention are met by utilizing rigid limit.

Further, a discharge port is formed in the lower bottom surface of the liquid level groove; the structure can meet the requirement of discharging immersion liquid, is convenient to operate and discharge, has good effect, simple and effective structure, and can meet the requirement created by the invention.

Further, the liquid level slot position is long and rectangular box body; the long pipe body is matched, the pipes to be tested can be independently tested in rows, and the test of one pipe body can be independently set.

Furthermore, the compressing devices and the plugging heads arranged in the liquid level groove are arranged in groups, and a plurality of groups are arranged in parallel; the method mainly considers increasing the testing position, improving the efficiency, being suitable for batch operation and further improving the automation level of production according to the situation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

Fig. 1 is a top view of a nondestructive testing apparatus for a pipe weld according to an embodiment of the present invention;

fig. 2 is a top view of a nondestructive testing apparatus for a pipe weld according to an embodiment of the present invention;

in the figure: 1. the device comprises a pressing device 2, a liquid level groove 3, a blocking head 4, an air injection head 5, a pressing plate 6, a pressure source 7, a pipe to be detected 21 and a sliding column.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without inventive step, are within the scope of protection of the disclosure.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Likewise, the word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1-2:

example 1

A nondestructive detection device for a pipeline welding seam comprises a liquid level groove 2, liquid is arranged in the liquid level groove 2 and used for immersing a pipe 7 to be detected, a blocking head 3 is arranged on the inner wall of one end of the liquid level groove 2, a pressing device 1 is arranged on the inner wall of the other end of the liquid level groove 2, a gas injection head 4 is arranged at the tail end of a sliding column 21 of the pressing device 1, a pressing plate 5 is arranged on the adjacent side of the gas injection head 4, and the gas injection head 4 is communicated with a pressure source 6; the tail ends of the plugging head 3 and the sliding column 21 are provided with conical plugging surfaces, and elastic layers are arranged on the conical plugging surfaces; when the application is implemented, the implementation principle or the working process is as follows: the method comprises the steps that a pipe 7 to be detected is immersed in a liquid level groove 2 and placed under the liquid level, then a blocking head 3 and a sliding column 21 are used for blocking two ends of the pipe 7 to be detected, mainly a pressing device 1 is used for extruding the pipe 7 to be detected, so that two ends of the pipe 7 to be detected are blocked by the sliding column 21 and the blocking head 3, then a gas injection head 4 is driven by a pressure source 6 to inject gas into the pipe 7 to be detected, whether gas leakage exists in the pipe 7 to be detected or not is observed, and then the liquid level of the liquid level groove 2 is observed.

Example 2

The conical plugging surfaces at the tail ends of the plugging head 3 and the sliding column 21 are detachably connected, and the plugging head 3 is matched with the tail end of the sliding column 21; the pressing device 1 comprises a pneumatic cylinder or a hydraulic cylinder or an electric telescopic device; the pressing plate 5 is connected with the sliding column 21 through a pin shaft; the lower bottom surface of the liquid level groove 2 is provided with a discharge port; the liquid level groove is 2 bits long rectangular box body; the pressing devices 1 and the plugging heads 3 arranged in the liquid level groove 2 are arranged in groups, and a plurality of groups are arranged in parallel; the operation is convenient, the sealing performance is good, the auxiliary operation is realized, the measuring efficiency is high, and the extrusion sealing is reliable by utilizing the extrusion mode of the pneumatic cylinder; the discharge port is arranged, so that the liquid can be conveniently discharged and replaced; the pin shaft mode is firm in connection, and the durable effect is good during extrusion operation.

Features of the same embodiment of the disclosure and of different embodiments may be combined with each other without conflict.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present invention;

reference to the description of the terms "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples;

in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The utility model provides a pipeline welding seam nondestructive test device which characterized in that: the device comprises a liquid level tank (2), wherein liquid is arranged in the liquid level tank (2) and used for immersing a pipe (7) to be detected, a blocking head (3) is arranged on the inner wall of one end of the liquid level tank (2), a pressing device (1) is arranged on the inner wall of the other end of the liquid level tank (2), a gas injection head (4) is arranged at the tail end of a sliding column (21) of the pressing device (1), a pressing plate (5) is arranged on the adjacent side of the gas injection head (4), and the gas injection head (4) is communicated with a pressure source (6); the tail ends of the blocking head (3) and the sliding column (21) are provided with conical blocking surfaces, and elastic layers are arranged on the conical blocking surfaces.

2. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the conical plugging surface at the tail ends of the plugging head (3) and the sliding column (21) is detachably connected, and the plugging head (3) is matched with the tail end of the sliding column (21).

3. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the pressing device (1) comprises a pneumatic cylinder or a hydraulic cylinder or an electric telescopic device.

4. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the pressing plate (5) is connected with the sliding column (21) through a pin shaft.

5. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the lower bottom surface of the liquid level groove (2) is provided with a discharge port.

6. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the liquid level groove (2) is long in rectangular box body.

7. The nondestructive testing device for the welding seam of the pipeline as recited in claim 1, wherein: the liquid level groove (2) is internally provided with a plurality of groups of compressing devices (1) and plugging heads (3) which are arranged in groups.