CN211553596U - Quality detection device for electric fusion welding joint of PE (polyethylene) gas pipeline - Google Patents

Abstract

The utility model discloses a PE gas pipeline electric fusion welding connects quality detection device, the on-line screen storage device comprises a base, the lower terminal surface of base is provided with the universal wheel that has the brake, the up end symmetrical arrangement of base has vertical board, base up end right part vertical board one side fixedly connected with mounting panel, you fixedly connected with pneumatic cylinder in the last danish of mounting panel, the tailpiece of the piston rod of pneumatic cylinder with left part on the base the equal fixedly connected with adapter sleeve in one side of vertical board, the adapter sleeve, one side fixedly connected with frame plate that vertical board was kept away from to the adapter sleeve, the vertical axle of fixedly connected with between the upper and lower terminal surface of frame plate, sliding connection has the pipeline fixed plate on the vertical axle, the utility model relates to a PE pipe installation technical field. This PE gas pipeline electric fusion welding connects quality detection device has solved current PE pipe welding head measuring device and often bulky, inconvenient carries to the construction site and carries out the problem that detects on the spot.

Description

Quality detection device for electric fusion welding joint of PE (polyethylene) gas pipeline

Technical Field

The utility model relates to a PE manages installation technical field, specifically is a PE gas pipeline electric fusion welded joint quality detection device.

Background

The rapid and practical detection method and qualification judgment of the quality of the Polyethylene (PE) pipeline hot-melt connection and electrofusion connection welded junction joint are also a bottleneck of the current PE pipeline construction. Taking hot melt connection as an example, the quality of a welding opening welding ring is inspected by visual inspection according to the appearance of the welding opening welding ring in the existing detection method, although some problems can be found through the appearance of the welding ring, some internal problems can not be reflected from the surface, for example, false welding is formed by welding a PE pipe welding opening in a certain gas company, the appearance of the false welding is almost the same as the qualified appearance, the long-term strength can not be ensured, the foundation of a gas pipeline is damaged when other pipelines are constructed, and the gas pipeline is extruded and cracked under the action of unbalanced external force to cause major leakage accidents.

Therefore, the detection of the quality of the welded Polyethylene (PE) pressure pipe joint is of great significance, the conventional PE pipe welding head needs to perform sampling investigation on the welding heads of the same batch in order to measure the tensile strength of the welding heads so as to deduce the quality of the welding heads of the whole batch, and when the welding heads are subjected to stretching treatment, the conventional measuring device is often large in size and inconvenient to carry to a construction site for field detection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a PE gas pipeline electric fusion welding connects quality detection device has solved current PE pipe welded joint measuring device and has often bulky, and inconvenient carrying goes on the spot the problem that detects to the construction site.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a PE gas pipeline electric fusion welding connects quality detection device, includes the base, the lower terminal surface of base is provided with the universal wheel that has the brake, the up end symmetrical arrangement of base has vertical board, base up end right part vertical board one side fixedly connected with mounting panel, you fixed connection pneumatic cylinder of up end of mounting panel, the tailpiece of the piston rod of pneumatic cylinder with left part on the base the equal fixedly connected with adapter sleeve in one side of vertical board, the adapter sleeve, one side fixedly connected with frame plate that vertical board was kept away from to the adapter sleeve, the vertical axle of fixedly connected with between the upper and lower terminal surface of frame plate, sliding connection has the pipeline fixed plate on the vertical axle, the pipeline fixed plate is for the PE pipe of fixed weld head both sides.

Preferably, the pipeline fixing plate comprises an arc fixing plate and an arc moving plate, the arc fixing plate and the arc moving plate are connected with a vertical shaft in a sliding mode, and threaded holes are formed in the horizontal end faces of the left side and the right side of the arc fixing plate and the arc moving plate in a penetrating mode.

Preferably, the arc-shaped fixing plate and the arc-shaped moving plate are fixedly connected with each other through a bolt and a nut matched with the threaded hole when the PE pipe welding head is fixed.

Preferably, the middle part of the arc surface on the arc moving plate is provided with an auxiliary fixing hole in a penetrating way.

Preferably, the outside of vertical axle hypomere is provided with the external screw thread, the upper and lower terminal surface of arc fixed plate passes through thread bush and vertical axle swing joint.

(III) advantageous effects

The utility model provides a PE gas pipeline electric fusion welded joint quality detection device. The method has the following beneficial effects:

the quality detection device for the PE gas pipeline electric fusion welding joint is characterized in that a pipeline fixing plate is connected onto a vertical shaft in a sliding mode, the pipeline fixing plate is used for fixing PE pipes on two sides of a welding joint, when the arc fixing plate and the arc moving plate are used for fixing the PE pipe welding joint, the arc fixing plate and the arc moving plate are fixedly connected with each other through bolt and nut matching threaded holes, the PE pipes on two sides of the welding joint are fixed through the arc fixing plate and the arc moving plate, a hydraulic cylinder which is well calibrated in advance can be started at the moment, the tensile force output by the hydraulic cylinder at the moment is the minimum tensile force which the welding joint can bear under the normal condition or the larger tensile force which is determined according to specific needs, namely the tensile force output by the hydraulic cylinder is a determined value, when the PE pipe welding joint is broken under the action of the tensile force, the welding joint is unqualified, when the pipelines on two sides of the butt welding joint are fixed, the inserting hole is formed in the pipeline below the auxiliary fixing hole, and then the pin shaft is inserted into the auxiliary fixing hole and the inserting hole to ensure that the PE pipes on two sides of the pipeline fixing plate and the welding joint are not easy to slide, so that the efficiency and the error of tensile strength measurement are influenced, and the aims of conveniently detecting the stay rope strength of the PE pipe welding joint on the spot and improving the detection efficiency are fulfilled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic structural diagram of the arc-shaped fixing plate of the present invention.

In the figure: the device comprises a base, 2 vertical plates, 3 pipeline holes, 4 mounting plates, 5 hydraulic cylinders, 6 connecting sleeves, 7 frame plates, 8 vertical shafts, 9 threaded sleeves, 10 pipeline fixing plates, 11 arc fixing plates, 12 arc moving plates, 13 threaded holes and 14 auxiliary fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a PE gas pipeline electric fusion welding joint quality detection device, a vertical shaft 8 is connected with a pipeline fixing plate 10 in a sliding mode, the pipeline fixing plate 10 is used for fixing PE pipes on two sides of a welding joint, the pipeline fixing plate 10 comprises an arc fixing plate 11 and an arc moving plate 12, the arc fixing plate 11 and the arc moving plate 12 are connected with the vertical shaft 8 in a sliding mode, threaded holes 13 are formed in horizontal end faces of the left side and the right side of the arc fixing plate 11 and the arc moving plate 12 in a penetrating mode, when the PE pipe welding joint is fixed, the arc fixing plate 11 and the arc moving plate 12 are fixedly connected through bolt and nut matching with the threaded holes 13, the PE pipes on two sides of the welding joint are fixed through the arc fixing plate 11 and the arc moving plate 12, a hydraulic cylinder 5 which is adjusted in advance can be started at the moment, and the tensile force output by the hydraulic cylinder 5 is the minimum tensile force which can be, the tensile force output by the hydraulic cylinder 5 is a determined value, when the PE pipe welding joint is broken under the action of the tensile force, the welding joint is not qualified, otherwise, the tensile strength detection of the PE pipe welding joint is completed quickly, the auxiliary fixing hole 14 is arranged in the middle of the arc surface of the arc moving plate 12 in a penetrating manner, when the pipelines on two sides of the welding joint are fixed, the insertion hole is formed in the pipeline below the auxiliary fixing hole 14, and then the pin shaft is inserted into the auxiliary fixing hole 14 and the insertion hole, so that the phenomenon that the PE pipes on two sides of the welding joint are not easy to slide between the pipeline fixing plate 10 and the PE pipes on two sides of the welding joint is ensured, the efficiency and the error of the tensile strength measurement are influenced, and the purposes of conveniently detecting the pull rope strength of the PE.

When the welding head fixing device works, the vertical shaft 8 is connected with the pipeline fixing plate 10 in a sliding mode, the pipeline fixing plate 10 is used for fixing PE pipes on two sides of the welding head, the pipeline fixing plate 10 comprises an arc fixing plate 11 and an arc moving plate 12, the arc fixing plate 11 and the arc moving plate 12 are both connected with the vertical shaft 8 in a sliding mode, threaded holes 13 are formed in horizontal end faces of the left side and the right side of the arc fixing plate 11 and the arc moving plate 12 in a penetrating mode, when the PE pipe welding head is fixed through the bolt and nut matched threaded holes 13, the PE pipes on two sides of the welding head are fixed through the arc fixing plate 11 and the arc moving plate 12, the hydraulic cylinder 5 which is adjusted in advance can be started at the moment, and the pulling force output by the hydraulic cylinder 5 is the minimum pulling force which the welding head can bear, the tensile force that pneumatic cylinder 5 output this moment promptly is the definite value, under this tensile force effect, PE pipe welding head fracture, then this soldered connection is unqualified, otherwise is qualified, thereby accomplish fast and detect PE pipe welding head tensile strength, the middle part of arcwall face runs through on arc movable plate 12 and is provided with supplementary fixed orifices 14, when fixing the pipeline of soldered connection both sides, through set up an inserting hole on the pipeline of supplementary fixed orifices 14 below, insert the round pin axle in supplementary fixed orifices 14 and inserting hole again, be used for guaranteeing that difficult the emergence is slided between the PE pipe of pipeline fixed plate 10 and soldered connection both sides, influence tensile strength measuring efficiency and error, thereby reached and be convenient for detect PE pipe welding head stay cord intensity on the spot and improved detection efficiency's purpose.

It is noted that, herein, relational terms such as first and second, and the like may be 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a PE gas pipeline electric fusion welded joint quality detection device, includes base (1), its characterized in that: the lower end surface of the base (1) is provided with a universal wheel with a brake, the upper end surface of the base (1) is symmetrically provided with vertical plates (2), a mounting plate (4) is fixedly connected with one side of the vertical plate (2) at the right part of the upper end surface of the base (1), the upper end surface of the mounting plate (4) is fixedly connected with a hydraulic cylinder (5), the piston rod end of the hydraulic cylinder (5) and one side of the vertical plate (2) at the upper left part of the base (1) are both fixedly connected with a connecting sleeve (6), one side of the connecting sleeve (6) far away from the vertical plate (2) is fixedly connected with a frame plate (7), a vertical shaft (8) is fixedly connected between the upper end surface and the lower end surface of the frame plate (7), and the vertical shaft (8) is connected with a pipeline fixing plate (10) in a sliding manner, and the pipeline fixing plate (10) is used for fixing PE pipes on two sides of the welding head.

2. The quality detection device for the electrofusion welded joints of PE gas pipelines as claimed in claim 1, wherein: pipeline fixed plate (10) include arc fixed plate (11) and arc movable plate (12), arc fixed plate (11) and arc movable plate (12) all with vertical axle (8) slip grafting, arc fixed plate (11) and arc movable plate (12) all run through on the horizontal terminal surface of the left and right sides and have arranged screw hole (13).

3. The quality detection device for the electrofusion welded joints of PE gas pipelines as claimed in claim 2, wherein: when the PE pipe welding head is fixed, the arc-shaped fixing plate (11) and the arc-shaped moving plate (12) are fixedly connected with each other through a bolt and a nut matched threaded hole (13).

4. The quality detection device for the electrofusion welded joints of PE gas pipelines as claimed in claim 2, wherein: an auxiliary fixing hole (14) penetrates through the middle of the arc-shaped surface of the arc-shaped moving plate (12).

5. The quality detection device for the electrofusion welded joints of PE gas pipelines as claimed in claim 2, wherein: the outside of the lower section of the vertical shaft (8) is provided with an external thread, and the upper end surface and the lower end surface of the arc-shaped fixing plate (11) are movably connected with the vertical shaft (8) through a thread bush (9).

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