CN217584094U

CN217584094U - External pressure test tool for pipeline

Info

Publication number: CN217584094U
Application number: CN202221018089.0U
Authority: CN
Inventors: 刘秦元; 王迪
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-14
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a pipeline external pressure test fixture belongs to pipeline pressure test technical field, the loach carrying platform comprises a supporting fram, sleeve and sleeve mount, be equipped with the sleeve on the support frame, the both ends of support frame are equipped with the sleeve mount respectively, the both ends of telescopic both ends are fixed in the both ends of support frame through the sleeve mount, the sleeve mount passes through bolted connection with the support frame, the flange is seeked when can solving the pipeline external pressure test, transport and dismouting convenience problem, can fix external pressure sleeve and prevent unable tightening flange bolt, play flange dismouting safety protection effect simultaneously, and has the characteristics of reasonable design, and easy operation.

Description

External pressure test tool for pipeline

Technical Field

The utility model belongs to the technical field of the pipeline pressure test, concretely relates to external pressure test fixture of pipeline.

Background

Some pipelines need to bear external pressure because the operating mode condition, for some data when detecting it receives external pressure such as limit external pressure value, unstable critical length, set up and strengthen effect etc. behind the structure that increases rigidly, need put up external pressure and suppress test platform, the test requirement of a plurality of specification pipelines need be satisfied to the platform usually, and for convenient experiment, the sleeve of beating external pressure generally need liftoff certain height make things convenient for the dismouting test tube, sealing flange and observation test tube squashed the condition.

When the test pipeline is great, the sealed flange of usefulness is unable artifical the lift than heavy, and the flange specification is more in addition, has the transport difficulty when putting and installing and use, seeks the flange that corresponds the test tube specification inconvenient, the flange is placed and is taken many scheduling problems in test site, in addition, still has the sleeve of beating external pressure unfixed, follows rotation, back-and-forth movement problem when screwing up the flange bolt.

At present, the existing patents relate to a test principle, an operation method and a connection sealing structure, and no solution is provided for the problem which is easy to occur in the experiment. For example, chinese patent CN204128906U provides a PE pipe external pressure test device, but only relates to a flange connection sealing structure.

SUMMERY OF THE UTILITY MODEL

In view of the problems existing in the prior art, an object of the utility model is to provide a pipeline external pressure test fixture, can solve when the pipeline external pressure test flange seek, transport and dismouting convenience problem, can fix the external pressure sleeve and prevent that can't tighten the flange bolt, play flange dismouting safety protection effect simultaneously.

The technical scheme of the utility model as follows:

the utility model provides a pipeline external pressure test fixture, includes support frame, sleeve and sleeve mount, be equipped with the sleeve on the support frame, the both ends of support frame are equipped with the sleeve mount respectively, the both ends of telescopic both ends are fixed in the both ends of support frame through the sleeve mount, the sleeve mount passes through bolted connection with the support frame.

Furthermore, the support frame includes a set of vertical pole and a set of horizon bar, and subaerial symmetry is equipped with a plurality of vertical pole, is equipped with the horizon bar between the adjacent vertical pole.

Furthermore, a top steel plate and a bottom steel plate are welded to the top and the bottom of each vertical rod respectively, and the vertical rods are fixed to the ground through expansion bolts.

Further, along sleeve length direction, it has the support one of 2 at least V type structures to weld between vertical pole and the horizontal pole, the sleeve sets up on support one.

Further, the vertical rods at the end parts are respectively provided with a sleeve fixing frame, the sleeve fixing frames are of U-shaped structures, bottom plates are arranged at the bottoms of the two ends of the sleeve fixing frames, and the sleeve fixing frames are fixed on the top steel plate of the supporting frame through bolts.

Furthermore, a sealing head is welded at one end of the sleeve, a flange is connected to the other end of the sleeve, a second support protruding out is welded at the bottom of the flange end of the sleeve, and the second support is of a U-shaped structure.

Furthermore, a bulge is welded at the matching position of the outer surface of the top of the sleeve and the sleeve fixing frame, and a concave-shaped clamping groove is formed in the matching position of the bulge and the sleeve fixing frame.

Further, a flange placing frame is arranged below the first support, a plurality of flange compartments are formed by the flange placing frame through a plurality of L-shaped welded section steels, and the flange specification is pasted on the section steel surface corresponding to each flange compartment.

Furthermore, the distance between each L-shaped welded section steel is larger than the thickness of the flange of the sleeve, and the height of the upper surface of each L-shaped welded section steel is larger than or equal to half of the outer diameter of the flange of the sleeve.

Furthermore, the side welding of support frame has the flange kelly supporting seat, be equipped with the kelly on the flange kelly supporting seat, the kelly passes flange kelly supporting seat and restricts the flange in the support frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1) By adopting the technical scheme of the utility model, the problems of convenience in flange searching, carrying and dismounting during external pressure test of the pipeline can be solved, the external pressure sleeve can be fixed to prevent the flange bolt from being screwed down, and the safety protection function of flange dismounting is realized;

2) The utility model has the characteristics of structural design is reasonable, easy operation.

Drawings

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

fig. 2 is a schematic structural view of the support frame of the present invention.

In the figure: 1. a support frame; 101. a vertical rod; 1011. a top steel plate; 1012. a bottom steel plate; 102. a horizontal bar; 103. a protrusion; 1031. a concave-shaped clamping groove; 104. a flange clamping rod supporting seat; 105. a clamping rod; 2. a sleeve; 3. a sleeve fixing frame; 301. a base plate; 4. a first bracket; 5. a second bracket; 6. provided is a flange placing frame.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of protection of the invention is not limited to the scope described.

As shown in fig. 1-2, an external pressure testing fixture for a pipeline includes a supporting frame 1, a sleeve 2 and a sleeve fixing frame 3, the supporting frame 1 is provided with the sleeve 2, two ends of the supporting frame 1 are respectively provided with the sleeve fixing frame 3, two ends of the sleeve 2 are fixed at two ends of the supporting frame 1 through the sleeve fixing frame 3, and the sleeve fixing frame 3 is connected with the supporting frame 1 through a bolt.

The utility model discloses a pipeline external pressure test fixture, support frame 1 includes a set of vertical pole 101 and a set of horizon bar 102, subaerial symmetry is equipped with the vertical pole 101 of a plurality of, be equipped with horizon bar 102 between the adjacent vertical pole 101, top steel sheet 1011 and bottom steel sheet 1012 have been welded respectively to the top and the bottom of every vertical pole 101, vertical pole 101 is fixed with ground through expansion bolts etc. support frame 1 adopts the welding preparation of same shaped steel, like square pipe, the rectangular pipe, 1 width of support frame approximately equals sleeve 2's flange external diameter, prevent that the flange from falling down when making vertical flange of placing, the bottom of horizon bar 102 must be higher than sleeve 2 flange external diameters, be convenient for place vertical flange.

The utility model discloses an external pressure test fixture of pipeline, along 2 length direction of sleeve, the welding has support 4 of 2 at least V type structures between vertical pole 101 and the horizon bar 102, and sleeve 2 sets up on support 4 for support sleeve 2.

The utility model discloses a pipeline external pressure test fixture is equipped with sleeve mount 3 on the vertical pole 101 of tip respectively, and sleeve mount 3 is U type structure, and wherein both ends bottom is equipped with bottom plate 301, and sleeve mount 3 is through the bolt fastening on the top steel sheet 1011 of support frame 1, and 3 top cards of sleeve mount prevent the unilateral perk of sleeve 2, rotatory and back-and-forth movement on sleeve 2.

The utility model discloses a pipeline external pressure test fixture, a tip welding of sleeve 2 has the head, another end connection has the flange, 2 flange end bottom welding of sleeve has two 5 of support that the protrusion comes, two 5 of support are U style of calligraphy structures, a pound the foot for appearing unexpected when preventing flange mounting, rotatable flange aligns the bolt hole with the flange of sleeve 2 simultaneously, sleeve 2 is used for providing the external pressure for the test tube, pack the test tube into sleeve 2 interior seal back and wash pressure medium for sleeve 2, thereby realize the external pressure test. The sleeve 2 can be made of steel pipes and plastic pipes.

The outer surface of the top of the sleeve 2 is welded with a bulge 103 at the matching position of the sleeve fixing frame 3, a concave clamping groove 1031 is arranged at the matching position of the bulge 103 and the sleeve fixing frame 3, wherein the concave clamping groove 1031 is matched with the sleeve fixing frame 3, and the sleeve 2 can be prevented from rotating or moving back and forth.

The utility model discloses a pipeline external pressure test fixture, the below of a support 4 is equipped with flange rack 6, and flange rack 6 separates out a plurality of flange compartments by a plurality of L type welded shaped steel, pastes the flange specification on the shaped steel face that every flange compartment corresponds to seek the flange that corresponds with the test tube fast during the experiment.

The distance between each L-shaped welded section steel is larger than the thickness of the flange of the sleeve, and the height of the upper surface of each L-shaped welded section steel is larger than or equal to half of the outer diameter of the flange of the sleeve. Meanwhile, the L-shaped welding section steel with different heights and intervals can be arranged according to different flange outer diameter thicknesses.

The utility model discloses an external pressure test fixture of pipeline, the welding of 1 side of support frame has flange kelly supporting seat 104, and flange kelly supporting seat 104 highly more than or equal to the half of sleeve flange external diameter is equipped with kelly 105 on the flange kelly supporting seat 104, and kelly 105 passes flange kelly supporting seat 104 and restricts the flange in support frame 1, and kelly 105 adopts the shaped steel preparation for prevent that the flange of vertical placing from rolling out because vibration, ground are uneven from the support frame bottom.

Specifically, during the test, the clamping rod 105 is taken out, the corresponding flange for the test tube is found, the flange is manually rolled out of the compartment, and the clamping rod 105 is inserted back. The flange is lifted by a lifting appliance and is aligned with the flange of the sleeve 2, and then the bolt is screwed. After the test is finished, the flange can be placed in the same way.

The utility model discloses with placing, seeking, the hoist and mount work setting of flange in the support frame bottom, saved experimental place, the flange is placed some and the point of use distance is very close for experimental speed.

Claims

1. The utility model provides a pipeline external pressure test fixture which characterized in that includes support frame (1), sleeve (2) and sleeve mount (3), be equipped with sleeve (2) on support frame (1), the both ends of support frame (1) are equipped with sleeve mount (3) respectively, the both ends of sleeve (2) are fixed in the both ends of support frame (1) through sleeve mount (3), bolted connection is passed through with support frame (1) in sleeve mount (3).

2. The external pressure test fixture for pipelines according to claim 1, wherein the support frame (1) comprises a group of vertical rods (101) and a group of horizontal rods (102), a plurality of vertical rods (101) are symmetrically arranged on the ground, and the horizontal rods (102) are arranged between adjacent vertical rods (101).

3. The external pipe pressure test tool according to claim 2, wherein a top steel plate (1011) and a bottom steel plate (1012) are welded to the top and bottom of each vertical rod (101), respectively, and the vertical rods (101) are fixed to the ground through expansion bolts.

4. The external pressure test fixture for pipelines according to claim 3, wherein at least 2 first supports (4) with V-shaped structures are welded between the vertical rods (101) and the horizontal rods (102) along the length direction of the sleeve (2), and the sleeve (2) is arranged on the first supports (4).

5. The external pipe pressure test fixture according to claim 2, wherein the vertical rods (101) at the ends are respectively provided with a sleeve fixing frame (3), the sleeve fixing frames (3) are of a U-shaped structure, wherein the bottoms of the two ends are provided with bottom plates (301), and the sleeve fixing frames (3) are fixed on the top steel plates (1011) of the support frame (1) through bolts.

6. The external pipeline pressure test tool according to claim 1, wherein one end of the sleeve (2) is welded with a seal head, the other end of the sleeve is connected with a flange, the bottom of the flange end of the sleeve (2) is welded with a second protruded support (5), and the second support (5) is of a U-shaped structure.

7. The external pipeline pressure test tool according to claim 6, wherein a protrusion (103) is welded at a matching position of the outer surface of the top of the sleeve (2) and the sleeve fixing frame (3), and a concave clamping groove (1031) is arranged at a matching position of the protrusion (103) and the sleeve fixing frame (3).

8. The external pipeline pressure testing tool according to claim 4, characterized in that a flange placing rack (6) is arranged below the first support (4), the flange placing rack (6) is divided into a plurality of flange compartments by a plurality of L-shaped welded section steels, and the flange specification is adhered to the section steel surface corresponding to each flange compartment.

9. The external pressure test fixture for pipelines of claim 8, wherein the distance between each L-shaped welded section steel is greater than the thickness of the flange of the sleeve, and the height of the upper surface of each L-shaped welded section steel is greater than or equal to half of the outer diameter of the flange of the sleeve.

10. The external pressure test fixture for pipelines according to claim 2, wherein a flange clamping rod supporting seat (104) is welded on the side surface of the supporting frame (1), a clamping rod (105) is arranged on the flange clamping rod supporting seat (104), and the clamping rod (105) penetrates through the flange clamping rod supporting seat (104) to limit the flange in the supporting frame (1).