CN218036123U

CN218036123U - External pressure type hydrostatic test device

Info

Publication number: CN218036123U
Application number: CN202221269157.0U
Authority: CN
Inventors: 张超; 杨竞远; 刘珅; 苗亮; 李静
Original assignee: Beijing No 3 Construction Engineering Co Ltd
Current assignee: Beijing No 3 Construction Engineering Co Ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-12-13
Anticipated expiration: 2032-05-25

Abstract

The utility model discloses an external pressure type hydrostatic test device, including two semicircular tube's sealed section of jurisdiction and four semicircular ring-shaped sealed end plates, two sealed section of jurisdiction are in the area and are pressed a pipe of water pipe seam position outside lock and fixed through the connector clip pressfitting, sealed end plate correspondence sets up in sealed section of jurisdiction end and area and press in the space between the water pipe, a whole ring is pieced into to two sealed end plates and will be sealed section of jurisdiction and press the space shutoff between the water pipe tight, sealed section of jurisdiction, sealed end plate and area are pressed the sealed cooperation of water pipe and form a sealed cavity in seam week side, all fixed one of being provided with on two sealed sections of jurisdiction plugs into the pipe, plug into pipe one end and run through sealed section of jurisdiction and extend to sealed cavity and with sealed cavity inner space intercommunication, the other end extends to the sealed section of jurisdiction outside and is used for connecting manometer or water pipe. The utility model discloses simple structure, ann tears the convenience open, and labour saving and time saving economizes water, has reduced the emission of pressure testing water and has handled the degree of difficulty.

Description

External pressure type hydrostatic test device

Technical Field

The utility model relates to a pipeline pressure testing technical field, concretely relates to external pressure type hydrostatic test device.

Background

In all construction engineering construction, the electromechanical pipeline water pipeline needs to be subjected to pressure test, and the pipe is qualified after being inspected before leaving a factory, so the pressure test can be regarded as a pressure test for different types of interfaces theoretically. The traditional pressure test is to pressurize all test pipelines after being filled with water, so that the method is time-consuming and water-consuming, and the problem of difficult water drainage after the test is finished due to the fact that matched municipal works are not put into use is possibly caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an external pressure type hydrostatic test device to solve the background art in technical problem.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides an external pressure type hydrostatic test device, includes two semicircular tubular seal segments and four semicircular annular seal end plates, two seal segments press together into a pipe and fix through the connector clip pressfitting in the area water pipe seam position outside lock, seal end plate corresponds and sets up in seal segment end and the space of taking between the water pipe under pressure, and its external diameter size respectively with take the external diameter of water pipe and seal segment internal diameter size phase-match, two seal end plates piece a whole ring and will seal the segment and take the space shutoff between the water pipe under pressure tight, and the piece of seal end plate staggers the setting with the piece of seal segment, and seal end plate can make into one set of different model boards of the same internal diameter of external diameter according to the model board of taking the water pipe under pressure difference, selects the corresponding model board to assemble according to taking the water pipe external diameter during concrete use, seal segment, seal end plate and take the water pipe under pressure sealed cooperation and form a sealed cavity all around the seam week, two seal tube pieces are all fixed to be provided with a pipe of plugging into, the pipe of plugging into one end of the pipe of plugging into runs through seal segment and extends to seal cavity interior and communicates with the sealed cavity, and the other end of pipe is used for connecting with the protection pipe plug of protection.

Preferably, for improving sealing performance, reduce the preparation degree of difficulty of sealed section of jurisdiction, all fixedly on the lateral wall that two sealed sections of jurisdiction meet the position being provided with sealed the pad.

Preferably, for improving sealing performance, reduce the preparation degree of difficulty of sealed end plate, sealed end plate is last to be fixed to be provided with the sealed pad of round.

Preferably, in order to ensure the tightness of the connection between the sealing gasket and the sealing end plate, a tenon protruding towards one side of the sealing end plate is integrally arranged on the sealing gasket, and a groove matched with the tenon is correspondingly arranged on the sealing end plate.

Preferably, the seal segment tip is fixed and is provided with the spacing ring that extends to its axis direction, and the spacing ring can effectively block sealed end plate, prevents that sealed end plate is not hard up because of too big outside skew of water pressure.

Preferably, connect buckle including connecting fastener and outside parcel have sealed fastening fastener who fills up, it sets up in pairs to connect the fastener, and every pair is connected the fastener and is corresponded to set up on the pipe wall of the sealed section of jurisdiction in piece both sides, connects fastener medial extremity and sealed section of jurisdiction fixed linking to each other, and its outside end is provided with the slot, and the opening orientation of slot keeps away from one side of sealed section of jurisdiction piece, fastening fastener is the C style of calligraphy, and its both ends gib head blocks respectively and connects the fastener pressure fastening with both sides in the slot of connecting the fastener in both sides and decide.

Preferably, the axial length of the sealing tube sheet is between 200-400mm, and the difference between the inner and outer diameters of the sealing end plates is between 100-200 mm.

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

1. the utility model discloses simple structure, the ann tears the convenience open, switches traditional hydrostatic test to the seam outside from the seam inboard to optimize the hydrostatic test and carry out to single seam by whole pressure testing, and the test is more nimble convenient, labour saving and time saving, and the water consumption significantly reduces moreover, and can reuse, has reduced the emission of pressure testing water and has handled the degree of difficulty;

2. the utility model discloses a can dismantle continuous sealed section of jurisdiction and sealed end plate and realize the establishment of sealed cavity, sealed end plate can make into the model board of various sizes according to the pipeline external diameter moreover, has improved test device's adaptability and turnover utilization ratio, has reduced the testing cost.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative, not limiting of the present invention, and in which:

fig. 1 is a schematic longitudinal sectional view of an external pressure type hydrostatic test apparatus according to the present invention;

fig. 2 is a schematic cross-sectional structure view of an external pressure type hydrostatic test device according to the present invention;

fig. 3 is a schematic view of an explosion structure of an external pressure type hydrostatic testing apparatus according to the present invention;

fig. 4 is an explosion structure diagram of the sealing end plate of the external pressure type hydrostatic testing apparatus according to the present invention.

Reference numerals: 1-pressurized water pipe, 2-joint, 3-sealing segment, 4-spacing ring, 5-sealing end plate, 6-sealing pad, 7-connecting fastener, 8-fastening fastener, 9-connecting pipe, 10-protecting plug, 11-groove and 12-tenon.

Detailed Description

Hereinafter, an embodiment of an external pressure type hydrostatic test apparatus of the present invention will be described with reference to the accompanying drawings. The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

In the description of the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The principles and features of the present invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to explain the present invention and not to limit the scope of the invention. The preferred embodiments of the present invention will be described in further detail below with reference to fig. 1-4:

as shown in figures 1-4, the external pressure type hydrostatic test device of the present invention comprises two semicircular sealing segments 3 and four semicircular sealing end plates 5, wherein the sealing segments 3 are formed by half-cutting galvanized steel pipes, the axial length of the sealing segments is between 200-400mm, the end of each segment is fixedly provided with a spacing ring 4 extending towards the axial direction, the two sealing segments 3 are buckled into a round pipe outside the position of the joint 2 of the pressurized water pipe 1 and are fixed by a connecting buckle in a pressing way, the side walls of the connecting positions of the two sealing segments 3 are respectively fixed with a sealing gasket 6 by machine pressing, the sealing end plates 5 are correspondingly arranged in the gap between the end of the sealing segment 3 and the pressurized water pipe 1 and are tightly attached to the inner wall of the spacing ring 4, the plate body is manufactured by cutting galvanized steel plates, and the inner and outer diameter sizes of the sealing end plates are respectively matched with the outer diameter of the pressurized water pipe 1 and the inner diameter size of the sealing segments 3, and the difference between the inner diameter and the outer diameter is between 100-200mm, a circle of sealing gasket 6 is fixed on the sealing end plate 5 plate body by machine pressing, a tenon 12 protruding to one side of the sealing end plate 5 is integrally arranged on the sealing gasket 6, a groove 11 matched with the tenon 12 is correspondingly arranged on the sealing end plate 5, two sealing end plates 5 are spliced into a whole circular ring and tightly seal the gap between the sealing segment 3 and the pressurized water pipe 1, the splicing seam of the sealing end plate 5 and the splicing seam of the sealing segment 3 are staggered, the sealing segment 3, the sealing end plate 5 and the pressurized water pipe 1 are in sealing matching and form a sealing cavity at the peripheral side of the seam 2, a connecting pipe 9 is fixedly arranged on two sealing segments 3, one end of the connecting pipe 9 penetrates through the sealing segment 3 and extends into the sealing cavity and is communicated with the inner space of the sealing cavity, the other end of the connecting pipe 9 extends to the outer side of the sealing duct piece 3 and is used for connecting a pressure gauge or a water pipe, and a protective plug 10 for protecting the pipe orifice of the connecting pipe is detachably arranged at the outer side end of the connecting pipe;

connecting buckle has the fastening fastener 8 of sealed pad 6 including connecting fastener 7 and outside parcel, connecting fastener 7 sets up in pairs, and every to connecting fastener 7 correspond to set up on the pipe wall of the sealed section of jurisdiction 3 in piece both sides, connect fastener 7 medial extremity and sealed section of jurisdiction 3 fixed linking to each other, its outside end is provided with the slot, and the opening orientation of slot keeps away from one side of sealed section of jurisdiction 3 piece, fastening fastener 8 is the C style of calligraphy, and its both ends gib head blocks respectively and compresses tightly fixedly in the slot of connecting fastener 7 in both sides with fastener 7.

Additionally, the utility model also provides a method for utilizing above-mentioned device to carry out hydrostatic test to the area pressurized-water line seam, including following step:

selecting a sealing end plate 5 model plate with a proper size according to the outer diameter of a pressurized water pipe 1;

assembling a sealing segment 3 and a sealing end plate 5 outside a joint 2 of a water pressing pipe 1, enabling the sealing end plate 5 to be attached to the internal corner positions of the sealing segment 3 and a limiting ring 4, then buckling a fastening fastener 8 at a corresponding connecting fastener 7 to press and fix the two sealing segments 3, and enabling a connecting pipe 9 at one side to face obliquely upward and a connecting pipe 9 at the other side to face obliquely downward;

thirdly, connecting a water injection pipe at the lower side connection pipe 9 and injecting water through a pressure test pump, and installing a pressure gauge after water flows out from the upper side connection pipe 9;

step four, the pressure test pump continuously injects water until the reading of the pressure gauge reaches the preset water pressure, and then the water injection is stopped;

step five, performing a hydrostatic test, maintaining for a period of time after stopping water injection according to the standard content, and recording the reading of a pressure gauge;

step six, after the test is finished, discharging the water for pressure test and collecting the water to a designated container;

and seventhly, dismantling, storing and arranging the pressure gauge, the sealing duct piece 3 and the sealing end plate 5, and transferring to the next pressure testing point for repeated use.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an external pressure type hydrostatic test device which characterized in that: including two semicircular tubular seal segment (3) and four semicircular annular seal end plate (5), two seal segment (3) are in the area water pipe (1) seam (2) position outside lock become a pipe and fixed through the connector clip pressfitting, seal end plate (5) correspond to set up in seal segment (3) terminal with take in the space between water pipe (1), and its internal and external diameter size respectively with take the external diameter of water pipe (1) and seal segment (3) internal diameter size phase-match, two seal end plate (5) piece a whole ring and with seal segment (3) with take the space shutoff between water pipe (1), and the piece of seal end plate (5) staggers the setting with the piece of seal segment (3), seal end plate (5) and area water pipe (1) sealed cooperation and form a sealed cavity in seam (2), all fixed being provided with a pipe (9) on two seal segment (3), the pipe (9) one end of plugging into runs through seal segment (3) and seals the pipe space and extends to seal segment (3) and seals up the chamber and is used for the protection pipe plug (10) and the protection pipe plug is connected to the inside the protection chamber outside pipe (9) or the protection pipe plug (10) is installed to the seal segment (3).

2. An external pressure type hydrostatic test apparatus as set forth in claim 1, wherein: the side walls of the connecting positions of the two sealing pipe pieces (3) are fixedly provided with sealing gaskets (6).

3. An external pressure type hydrostatic test apparatus as set forth in claim 1, wherein: and a circle of sealing gasket (6) is fixedly arranged on the sealing end plate (5).

4. An external pressure type hydrostatic test apparatus as set forth in claim 3, wherein: the sealing gasket (6) is integrally provided with a tenon (12) protruding towards one side of the sealing end plate (5), and the sealing end plate (5) is correspondingly provided with a groove (11) matched with the tenon (12).

5. An external pressure type hydraulic pressure test apparatus as claimed in claim 1, wherein: and the tail end of the sealing segment (3) is fixedly provided with a limiting ring (4) extending towards the axis direction of the sealing segment.

6. An external pressure type hydrostatic test apparatus as set forth in claim 1, wherein: connecting buckle has the fastening fastener (8) of sealed pad (6) including connecting fastener (7) and outside parcel, connecting fastener (7) set up in pairs, and every to connecting fastener (7) correspond and set up on the pipe wall of the sealed section of jurisdiction of piece both sides (3), connect fastener (7) medial extremity and sealed section of jurisdiction (3) fixed linking to each other, its outside end is provided with the slot, and the opening orientation of slot one side of keeping away from sealed section of jurisdiction (3) piece, fastening fastener (8) are the C style of calligraphy, and its both ends gib head is blocked respectively and is compressed tightly fixedly in the slot of connecting fastener (7) with both sides in the both sides.

7. An external pressure type hydraulic pressure test apparatus as claimed in claim 1, wherein: the axial length of the sealing tube piece (3) is between 200 and 400mm, and the difference between the inner diameter and the outer diameter of the sealing end plate (5) is between 100 and 200 mm.