CN212378962U

CN212378962U - Pipeline is suppressed and is sealed testing arrangement and system

Info

Publication number: CN212378962U
Application number: CN202020494503.XU
Authority: CN
Inventors: 代光辉; 刘海波; 胡友臣
Original assignee: Linyi Huageng New Material Technology Co ltd
Current assignee: Linyi Huageng New Material Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-01-19
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a sealed testing arrangement and system are suppressed to pipeline, include: the two sealing end assemblies are arranged on the supporting assembly oppositely and have the same structure and are used for sealing two ends of the pipeline to be tested; the sealing end assembly comprises a plurality of clamping jaws, a circular plate, a baffle plate, a sealing ring and a jack; the clamping jaws are buckled at the end part of the pipeline to be tested and can slide along the slotted holes on the circular plate; a jack is arranged between the baffle plate and the circular plate; two through holes are formed in one circular plate and are used for communicating the interior of a pipeline to be tested; the support assembly includes a support beam and two brackets, at least one of which is slidable along the support beam. The pipeline pressing and sealing testing device of the utility model can conveniently install and dismantle the pipeline to be tested; the sealing step is simplified, and the testing efficiency is improved; and is suitable for pipelines with various specifications.

Description

Pipeline is suppressed and is sealed testing arrangement and system

Technical Field

The utility model relates to the technical field of pipelines, especially, relate to a sealed testing arrangement is suppressed to pipeline.

Background

Although the anti-corrosion pipeline belongs to the traditional industry and has a plurality of existing products, along with the improvement of the technological level and the popularization of various new materials and processes, the anti-corrosion pipeline is rapidly improved, and the anti-corrosion pipeline with the advantages of being suitable for large-scale application, having guaranteed performance, having superior cost, not causing secondary pollution, and the like is more and more favored.

The anti-leakage performance of the anti-corrosion pipeline is an important evaluation index. Once the anti-corrosion pipeline of a using unit leaks, a lot of hazards can be caused, for example, economic loss is caused by frequent shutdown and production stoppage, leaked media can pollute the environment, and the human health is harmed. For an anti-corrosion pipeline, flange connection is an important connection mode for pipeline construction, and the detection of the tightness of the flange end face of the pipeline is an important test operation.

In the prior art, when a pipeline is subjected to a pipe pressure test on site, the sealing performance of an end face is generally detected in the following way: screwing down the flange by using a screw, simultaneously placing the flange into a sealing gasket for locking, filling water, pressurizing and keeping for a period of time; then the screw is removed, the sealing pad is taken down, and water is discharged. The process is complicated to operate, time-consuming and long, labor cost is increased, and especially for the situations of large size change of the pipeline, large length change of the pipeline and the like, workload is increased.

Therefore, those skilled in the art are dedicated to research on a pipe pressing and sealing test device, which can conveniently install and detach a pipe to be tested, can conveniently realize the sealing of the end of the pipe during testing, and can be applied to the situations of multiple sizes, large pipe length change and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that how to provide a sealed testing arrangement is suppressed to pipeline can be easy to assemble and dismantle the examination pipeline that awaits measuring, conveniently realizes that the pipeline end is sealed to can be suitable for the pipeline that has different pipe diameters and manage the length.

In order to achieve the above object, the utility model provides a sealed testing arrangement is suppressed to pipeline, include:

two sealing end assemblies of the same structure, wherein the two sealing end assemblies are configured to respectively seal two ends of a pipeline to be tested;

the two sealing end assemblies are oppositely arranged on the supporting assembly;

wherein each said seal end assembly comprises a plurality of jaws, a circular plate, a baffle, a seal ring and a jack; the jaws are configured to be snappable over a flange of the pipe to be tested; the circular plate comprises a plurality of slotted holes which are uniformly distributed along the circular center of the first circular plate in the circumferential direction, and the number of the slotted holes is the same as that of the clamping jaws; the extending part of the clamping jaw penetrates through the slotted hole and then is fixed on the baffle; the extension is configured to be slidable along the slot; the jack is arranged between the baffle plate and the circular plate and is configured to provide pressure when sealing;

one of the two sealing end assemblies has two through holes for connecting a water injection line and a pressure line, the two through holes being provided on the circular plate, the two through holes being configured to communicate with the interior of the pipe to be tested when sealed;

the supporting assembly comprises a supporting beam and two oppositely arranged brackets which are respectively fixedly connected with the two sealing end assemblies; at least one of the two brackets is configured to slide along the support beam.

In some embodiments, optionally, the jaw is also a moving jaw comprising a moving jaw extension and a moving jaw portion configured to be movable in a direction perpendicular to the pipe axial direction.

In some embodiments, optionally, the jaws include an extension, at least one of the plurality of jaws having a movable jaw portion rotatably coupled to the extension.

In some embodiments, optionally, the circular plate is a solid steel plate.

In some embodiments, optionally, the number of the supporting beams is two, and the two supporting beams are arranged in parallel; and the supporting cross beam is provided with a slideway for the support to slide.

In some embodiments, optionally, the slideway is a groove provided on the support beam.

In some embodiments, optionally, the bracket comprises two posts, one end of the post is fixed with the sealing end assembly, and the other end of the post is inserted into the groove.

In some embodiments, optionally, at least one reinforcing rib is provided between the two pillars.

In some embodiments, optionally, one end of the upright inserted into the groove is provided with a pulley.

Another object of the present invention is to provide a pipe pressing and sealing test system, which comprises the above pipe pressing and sealing test device, pressing pipelines, water injection pipelines, first valves, second valves, water injection devices and pressure boosting devices, wherein the first through hole of the circular plate is connected to the pressure boosting device through the pressing pipelines, and the second through hole of the circular plate is connected to the water injection devices through the water injection pipelines; the first valve is disposed on the pressurization line, and the second valve is disposed on the injection line.

The utility model provides a sealed testing arrangement is suppressed to pipeline has following technological effect:

1. the pipeline to be tested can be conveniently installed and detached;

2. the operation steps of sealing the end part of the test tube to be tested are simplified, and the sealing test efficiency is improved;

3. can be suitable for the pipe diameter of multiple specification and the pipeline of multiple length.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a schematic cross-sectional view of a pipe-pressing seal testing apparatus according to the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the structure of a first circular plate;

FIG. 4 is a schematic structural view of a movable jaw;

FIG. 5 is a schematic structural view of the fixing jaw;

fig. 6 is an operation principle diagram of the pipe pressing seal testing device.

Fig. 7 is a schematic structural view of another embodiment of the jaws.

Wherein, 100-a first sealing end component, 101-a first circular plate, 102-a first baffle, 103-a first jack, 104-a first sealing ring, 105-a slotted hole, 106-a first through hole, 107-a second through hole, 200-a second sealing end component, 201-a second circular plate, 202-a second baffle, 203-a second jack, 204-a second sealing ring, 303-a bolt, 310-a movable claw, 311-a first extending part, 312-a movable claw part, 313-a pin shaft, 320-a fixed claw, 321-a second extending part, 322-a fixed claw part, 330-a movable claw part, 331-a movable claw extending part, 332-a movable claw part, 410-a first support, 411-an upright post, 413-a reinforcing rib and 420-a second support, 430-supporting beam, 431-chute, 500-pipe to be tested, 501-flange, 610-pressurizing pipeline, 611-first valve, 620-water injection pipeline, 621-second valve, 630-water tank.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

Some exemplary embodiments of the invention have been described for illustrative purposes, and it is to be understood that the invention may be practiced otherwise than as specifically described.

As shown in fig. 1, the present invention provides a pipe pressing and sealing testing device, which includes a first sealing end assembly 100 and a second sealing end assembly 200, wherein the first sealing end assembly 100 and the second sealing end assembly 200 are respectively fixed at two ends of a supporting frame assembly. The both ends of the pipeline 500 that awaits measuring are flanged 501 respectively, use the utility model provides a when sealed testing arrangement is suppressed to the pipeline, will await measuring the pipeline 500 and place between first sealed end subassembly 100 and the sealed end subassembly 200 of second, then utilize first sealed end subassembly 100 and the sealed end subassembly 200 of second to seal locking two flanges 501 respectively.

As shown in fig. 1 and 2, the first sealing end assembly 100 includes four jaws, a first circular plate 101, a first stop plate 102, and a first jack 103. The jaws of the jaws are hook-shaped and, in use, fit over the flange 501 of the pipe 500 to be tested. Four claws are uniformly distributed along the circumference of the flange 501, and preferably, as shown in fig. 2, the four claws are arranged at four positions, i.e., up, down, left, and right, of the flange 501. Of the four claws, there are two types of claws, one is a fixed claw 320, as shown in fig. 5, which includes a second extending portion 321 and a fixed claw portion 322, and the fixed claw portion 322 is fixedly connected with the second extending portion 321 or integrally formed; the other type is a movable claw 310, as shown in fig. 4, which includes a first extending portion 311 and a movable claw portion 312, wherein the movable claw portion 312 is rotatably connected to the first extending portion 311, and preferably, the movable claw portion 312 is connected to the first extending portion 311 through a pin 313. As shown in fig. 1 and 3, four slots 105 are uniformly distributed along the circumferential direction of the first circular plate 101, and the first extension 311 and the second extension 321 respectively pass through the slots 105 of the first circular plate 101 and are fixed on the first baffle plate 102. The jaws are movably connected with the slotted holes 105, namely, the extending parts of the jaws can slide along the slotted holes 105, so that the guiding and fixing effects on the jaws are realized. Due to the restriction of the slot 105, the jaws can only slide along the length of the extension, or the first circular plate 101 can slide along the length of the extension. The fixing means between the extending portion of the jaw and the first baffle plate 102 can be accomplished by a fastener, welding, etc., and preferably, as shown in fig. 1, the extending portion of the jaw and the first baffle plate 102 are fixed by a bolt 303. To facilitate the installation and removal of the pipe 500 to be tested, at least one of the four jaws is a movable jaw 310. Preferably, as shown in fig. 1, a jaw disposed at an upper portion of the flange 501 is provided as the movable jaw 310. A first jack 103 is provided between the first baffle plate 102 and the first circular plate 101. The first jack 103 is preferably a hydraulic jack with a pressure setting of 3T. When the first jack 103 is lifted up, the first circular plate 101 is driven to move, so that the distance between the first baffle plate 102 and the first circular plate 101 is increased, at the moment, the claw moves towards the first baffle plate 102 relative to the first circular plate 101, so that the claw is fastened on the flange 501.

As shown in fig. 1 and 3, a plurality of first sealing rings 104, preferably rubber sealing rings, are disposed on a surface of the first circular plate 101 facing the flange 501, and when the first circular plate 101 is jacked by a jack and the jaws are buckled on the flange 501, the first sealing rings 104 seal the flange 501 along the end surface, thereby completing the sealing of the end of the test tube 500 to be tested. The first circular plate 101 is preferably a solid steel plate.

As shown in fig. 1, the second packing end assembly 200 has substantially the same structure as the first packing end assembly 100, and includes four jaws (at least one of which is a movable jaw 310 and the remaining of which are fixed jaws 320), a second circular plate 201, a second baffle 202, a second seal ring 204, and a second jack 203. Second seal end assembly 200 differs from first seal end assembly 100 only in that: the second circular plate 201 does not need to be provided with a through hole for connecting the pressurizing pipeline 610 and the water injection pipeline 620; the other structures of the second seal end assembly 200 are the same as the first seal end assembly 100 and will not be described again.

At least one of the first and

second gland assemblies

100, 200 is provided with a through-hole for connecting a pressure line and a water injection line. Preferably, the first seal end assembly 100 is selected to be connected to a pressure line and a water injection line. Two functional holes are provided on the first circular plate 101, a first through hole 106 for connecting the pressurizing line 610 and a second through hole 107 for connecting the water injection line 620. When the test device is used, the water injection work of the pipeline 500 to be tested is completed through the second through hole 107, and the pressurization work of the pipeline 500 to be tested is completed through the first through hole 106.

Both first seal end assembly 100 and second seal end assembly 200 are secured to the support frame assembly. As shown in fig. 1 and 2, the support frame assembly includes a support beam 430, a first bracket 410 and a second bracket 420 oppositely disposed on the support beam 430. The first baffle 102 is fixed on the first bracket 410, and the second baffle 202 is fixed on the second bracket 420 by means including, but not limited to, fastening with fasteners, welding, integral molding, etc. The first bracket 410 and the second bracket 420 have the same structure, and the first bracket 410 is taken as an example and described in detail herein. The first bracket 410 includes two upright columns 411, one end of each upright column 411 is fixed to the first barrier 102, and the other end of each upright column 411 is connected to the supporting beam 430. Between the two columns 411, at least one reinforcing rib 413 is further provided, so that the two columns 411 are combined into a whole, and the stability of the support can be enhanced. Preferably, as shown in fig. 2, two reinforcing ribs 413 are provided. The vertical columns 411 and the supporting beams 430 can be fixedly connected by welding, bolt fastening and the like. In order to enable the pipeline pressurizing and sealing test device to adapt to pipelines 500 to be tested with different lengths, the upright columns 411 and the supporting beams 430 are movably connected, as shown in fig. 2, the supporting beams 430 are arranged to be two and are respectively connected with the two upright columns 411, the two supporting beams 430 are respectively provided with a slideway, and the other ends of the two upright columns 411 are respectively connected to the slideways, so that the upright columns 411 can slide along the supporting beams 430. Preferably, as shown in fig. 2, the supporting beam 430 has a concave cross section, and forms a concave sliding groove 431, and the other end of the upright 411 is inserted into the concave sliding groove 431, so that the upright 411 slides in the sliding groove 431 along the length direction of the supporting beam 430. In order to make the column 411 slide more smoothly, a pulley may be provided at an end of the column 411 where the "concave" sliding groove 431 is inserted.

The second bracket 420 has the same structure as the first bracket 410, and the second bracket 420 is connected to the support beam 430 in the same manner as the first bracket 410. It is noted that in some embodiments, one of the first bracket 410 and the second bracket 420 may be fixed to the supporting beam 430 and the other may be configured to slide along the supporting beam 430.

The principle of using the pipe pressure sealing test device of the present invention to perform the pipe pressure test is shown in fig. 6 (for convenience of display, part of the components of the first sealing end assembly 100 are omitted in fig. 6):

according to the length of the pipeline 500 to be tested, the distance between the first support 410 and the second support 420 is adjusted, then the movable claw part 312 of the movable claw 310 above the flange 501 is turned upwards, and the pipeline 500 to be tested can fall into a pipeline pressing and sealing testing device from top because the claws positioned at the lateral side and the lower side of the flange 501 are the fixed claws 320, and then the movable claws 310 are buckled on the flange 501; applying pressure by using a jack to seal the two ends of the pipeline 500 to be tested;

a pressurizing pipeline 610 is connected in the first through hole 106 of the first circular plate 101, and a water injection pipeline 620 is connected in the second through hole 107; filling water into the pipe 500 to be tested through the water filling line 620, as shown by the arrow b in fig. 6, and closing the second valve 621 on the water filling line 620 after the water is filled; meanwhile, the first valve 611 on the pressurizing line 610 is opened, the pipe 500 to be tested is pressurized by the pressurizing pump, as shown by arrow a in fig. 6, and when the pressure value reaches the set pressure, the first valve 611 is closed. A water tank 630 is provided at one side of the second packing end assembly 200, and when the second jack 203 is released, water in the pipe 500 to be tested naturally flows into the water tank 630. The water injected into the pipe 500 to be tested may be drawn from the water tank 630 by a water pump or may be injected through tap water. And after the pressing is finished, the jack is loosened to allow water in the pipeline to flow out.

The utility model adopts the claw design, the claws which are positioned at the side direction and the lower side of the flange are fixed claws, the claws at the upper side are movable claws, and the claws can be turned upwards; when the on-site pressure test is carried out, the pipeline to be tested can be conveniently mounted and dismounted, the procedure of the pressure test process is simplified, the production efficiency is improved, and the pressure test device is particularly suitable for application scenes of small-diameter pipelines, pipelines with multiple specifications, large pipeline length change and the like.

The above describes a preferred embodiment of the pipe crush seal test apparatus provided by the present invention. As a variation of this embodiment, the jaws may also be designed in another configuration to accommodate pipes of different pipe diameters. As shown in fig. 7, the jaws may also be designed as a moving jaw 330, and the moving jaw 330 includes a moving jaw extension 331 and a moving jaw 332, and the moving jaw 332 is configured to move in a direction perpendicular to the axial direction of the pipe, so that pipes with different pipe diameters can be accommodated. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A pipe pressurization testing device is characterized by comprising:

wherein each said seal end assembly comprises a plurality of jaws, a circular plate, a baffle, a seal ring and a jack; the jaws are configured to be snappable over a flange of the pipe to be tested; the circular plate comprises a plurality of slotted holes which are uniformly distributed along the circular center of the circular plate in the circumferential direction, and the number of the slotted holes is the same as that of the clamping jaws; the extending part of the clamping jaw penetrates through the slotted hole and then is fixed on the baffle; the extension is configured to be slidable along the slot; the jack is arranged between the baffle plate and the circular plate and is configured to provide pressure when sealing;

2. The pipe crushing sealing test device of claim 1, wherein the jaw is further a moving jaw comprising a moving jaw extension and a moving jaw portion configured to move in a direction perpendicular to an axial direction of the pipe.

3. The pipe crushing sealing test device of claim 1, wherein the jaw has an extension, and at least one of the plurality of jaws has a movable jaw portion rotatably coupled to the extension.

4. The pipe crush seal testing apparatus of claim 1, wherein the circular plate is a solid steel plate.

5. The pipe crushing sealing test device according to claim 1, wherein the number of the supporting beams is two, and the two supporting beams are arranged in parallel; and the supporting cross beam is provided with a slideway for the support to slide.

6. The pipe crush seal testing apparatus of claim 5, wherein the slide is a groove provided on the support beam.

7. The pipe ramming seal testing apparatus of claim 6, wherein the frame comprises two posts, one end of the post is fixed to the seal end assembly, and the other end of the post is inserted into the groove.

8. The pipe crush seal testing apparatus of claim 7, wherein at least one reinforcing rib is disposed between the two columns.

9. The pipe crushing sealing test device according to claim 7, wherein the end of the upright column inserted into the groove is provided with a pulley.

10. A pipe-pressure sealing test system, comprising the pipe-pressure test apparatus according to any one of claims 1 to 9, a pressure line, a water injection line, a first valve, a second valve, a water injection apparatus, and a pressure boosting apparatus, wherein the first through hole of the circular plate is connected to the pressure boosting apparatus through the pressure line, and the second through hole of the circular plate is connected to the water injection apparatus through the water injection line; the first valve is disposed on the pressurization line, and the second valve is disposed on the injection line.