CN211178873U

CN211178873U - Pipe airtightness testing and pressure testing device

Info

Publication number: CN211178873U
Application number: CN202020198839.1U
Authority: CN
Inventors: 叶剑华; 周庆念
Original assignee: Guolin Tianjin Technology Co ltd
Current assignee: Guolin Tianjin Technology Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-08-04
Anticipated expiration: 2030-02-24

Abstract

The utility model belongs to the technical field of tubular product test, especially, be a tubular product airtight test pressure testing device, including experimental water tank and the transmission case of installing in experimental water tank both sides, the inside of experimental water tank is equipped with a plurality of baffle, the baffle with experimental water tank fixed connection, two adjacent all be equipped with two stripper plates between the baffle, two stripper plates symmetric distribution is in the both ends of controlling of experimental water tank; set up a plurality of baffle through the inside at experimental water tank, the baffle separates out a plurality of accommodation space at experimental water tank's inside, can detect the gas tightness of multiunit tubular product simultaneously, big detection speed to tubular product, and it all sets up the stripper plate to hold the intracavity, place the tubular product and the water that wait to detect between two stripper plates, the equal seal installation sealing plug in both ends of tubular product, the sealing plug at both ends extrudees with the stripper plate on inclined plane each other, guarantee the leakproofness between sealing plug and the tubular product, thereby can bear bigger pressure, be convenient for discover whether gas leakage of tubular product.

Description

Pipe airtightness testing and pressure testing device

Technical Field

The utility model belongs to the technical field of the tubular product test, concretely relates to airtight test pressure testing device of tubular product.

Background

The pipe is a necessary material for building engineering, commonly used comprises a water supply pipe, a drain pipe, a gas pipe, a heating pipe, an electric wire conduit, a rainwater pipe and the like, and in the production process of the pipe, the underwater air tightness detection device is used for detecting whether the pipe has a hole, a gap and the like which penetrate through the wall of the pipe.

At present, the gas tightness to tubular product detects, be usually at the both ends shutoff sealing plug of tubular product, then place sealed tubular product in aqueous, aerify simultaneously in to tubular product, whether leak gas through observing tubular product, judge the gas tightness of tubular product, but current testing arrangement once only can detect a tubular product usually, and the shutoff piece at tubular product both ends is not spacing, when the pressure of inflating is great in tubular product, then can fill the end cap at both ends, consequently can influence the speed and the efficiency that tubular product gas tightness detected.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a tubular product airtight test pressure testing device has and can test multiunit tubular product simultaneously, and the characteristics that tubular product both ends gas tightness is good.

In order to achieve the above object, the utility model provides a following technical scheme: a pipe airtightness testing and pressure testing device comprises a testing water tank and transmission boxes arranged on two sides of the testing water tank, a plurality of clapboards are arranged inside the test water tank and are fixedly connected with the test water tank, two extrusion plates are arranged between every two adjacent clapboards and are symmetrically distributed at the left end and the right end of the test water tank, a pipe to be detected is placed between the two extrusion plates, two ends of the pipe are hermetically provided with sealing plugs, one of the sealing plugs is hermetically connected with an air duct, the air duct is hermetically connected with an external air supply device, a telescopic cylinder is fixedly arranged in the transmission case and is hermetically connected with an external air source, the output end of the telescopic cylinder is fixedly connected with a cylinder telescopic rod, the other end of the cylinder telescopic rod is fixedly connected with the extrusion plate, and the cylinder telescopic rod is connected with the test water tank in a sliding mode.

Preferably, the transmission case is internally provided with two guide rods, and the two guide rods are symmetrically distributed above and below the telescopic cylinder.

Preferably, a guide rod sliding seat is fixedly arranged at the position, corresponding to the guide rod, of the test water tank, the guide rod slides on the inner side of the guide rod sliding seat, one end of the guide rod is fixedly connected with the extrusion plate, and the other end of the guide rod is a free end.

Preferably, both sides of the extrusion plate are provided with sealing gaskets, the sealing gaskets are fixedly connected with the extrusion plate, and the extrusion plate is connected with the partition plate in a sealing manner through the sealing gaskets.

Preferably, a pipe groove is formed in the inner side of the extrusion plate corresponding to the air duct, the air duct is placed in the pipe groove, and the width of the sealing plug is larger than that of the pipe groove.

Preferably, the sealing plug is in a circular truncated cone shape, a sealing ring is sleeved at the narrow end of the sealing plug, and the sealing ring is fixedly connected with the sealing plug.

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

1. through setting up a plurality of baffle in the inside of experimental water tank, the baffle separates a plurality of accommodation space at the inside of experimental water tank, and the detection of tubular product can be placed a plurality ofly simultaneously, detects the gas tightness of multiunit tubular product simultaneously, can increase the detection speed to tubular product.

2. Hold the intracavity and all set up the stripper plate, place between two stripper plates and wait to detect tubular product and water, the equal seal installation sealing plug in both ends of tubular product, after the installation, can press tubular product downwards, make the sealing plug at both ends and the stripper plate on inclined plane extrude each other, guarantee the leakproofness between sealing plug and the tubular product, and along with the inside pressure increase of tubular product, can not drop or leak gas, thereby can bear the pressure that is bigger than the detection pressure of existing equipment, be convenient for discover whether gas leakage of tubular product.

3. In addition, the position of the extrusion plates can be pushed to move by the cylinder telescopic rods, when the length of the pipe is different, the distance between the two extrusion plates can be adjusted by controlling the telescopic cylinders and pushing or pulling the positions of the extrusion plates by the cylinder telescopic rods, so that the pipe is adaptive to the length of the pipe.

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 invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic view of the installation structure of the middle sealing plug and the pipeline of the present invention.

In the figure: 1. a test water tank; 11. a guide rod slide seat; 12. a partition plate; 2. a transmission case; 21. a guide bar; 3. a telescopic cylinder; 31. a cylinder telescopic rod; 4. a pressing plate; 41. a gasket; 42. a pipe groove; 5. a sealing plug; 51. a seal ring; 6. an air duct.

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. 1-4, the present invention provides the following technical solutions: a pressure test device for testing the air tightness of a pipe comprises a test water tank 1 and transmission boxes 2 arranged at two sides of the test water tank 1, a plurality of partition plates 12 are arranged inside the test water tank 1, the partition plates 12 are fixedly connected with the test water tank 1, two extrusion plates 4 are arranged between every two adjacent partition plates 12, the two extrusion plates 4 are symmetrically distributed at the left end and the right end of the test water tank 1, and a pipe to be detected is placed between the two extrusion plates 4, two ends of the pipe are hermetically provided with sealing plugs 5, sealing connection has air duct 6 on one of them sealing plug 5, and air duct 6 and outside air feeder sealing connection, the inside of transmission case 2 has set firmly telescopic cylinder 3, telescopic cylinder 3 and outside air supply sealing connection, telescopic cylinder 3's output fixedly connected with cylinder telescopic link 31, cylinder telescopic link 31's the other end and 4 fixed connection of stripper plate, cylinder telescopic link 31 and 1 sliding connection of experimental water tank.

In the embodiment, a plurality of partition boards 12 are arranged in the test water tank 1, the partition boards 12 partition a plurality of accommodating spaces in the test water tank 1, each accommodating cavity is internally provided with a pressing plate 4, a pipe to be detected and water are placed between the two pressing plates 4, sealing plugs 5 are hermetically installed at two ends of the pipe, after the pipe is installed, the pipe can be pressed downwards, the sealing plugs 5 at two ends and the pressing plates 4 on the inclined surface are mutually pressed, the sealing performance between the sealing plugs 5 and the pipe is ensured, and the pipe cannot fall off or leak along with the increase of the pressure in the pipe, so that the pressure higher than the detection pressure of the existing equipment can be borne, the pipe can be conveniently found to leak, a plurality of pipes can be simultaneously detected, the air tightness of a plurality of groups of pipes can be simultaneously detected, the detection speed of the pipe can be increased, in addition, the position of the pressing plates 4 can also be pushed by, when the length of the pipe is different, the distance between the two extrusion plates 4 can be adjusted by controlling the telescopic cylinder 3 and pushing or pulling the position of the extrusion plate 4 by using the telescopic rod 31 of the cylinder, so that the length of the pipe is adapted.

Concretely, transmission case 2's inside still is equipped with guide arm 21, guide arm 21 quantity is two, and the symmetric distribution is in telescopic cylinder 3's top and below, experimental water tank 1 corresponds guide arm 21 department and has set firmly guide arm slide 11, guide arm 21 slides at guide arm slide 11 inboardly, guide arm 21's one end and stripper plate 4 fixed connection, the other end is the free end, all set up guide arm 21 through top and below at telescopic cylinder 3, can make stripper plate 4's upper and lower and middle side velocity of motion always, it is more steady to remove the in-process.

Specifically, the both sides of stripper plate 4 all are equipped with sealed 41, and sealed 41 and stripper plate 4 fixed connection through sealed 41 sealing connection between stripper plate 4 and the baffle 12, through set up sealed 41 in the both sides of stripper plate 4, can increase the leakproofness between stripper plate 4 and the baffle 12, prevent that the water between two stripper plates 4 from flowing out.

Specifically, the inboard of stripper plate 4 corresponds 6 departments of air duct and has seted up tube seat 42, and air duct 6 is placed in tube seat 42, and the width of sealing plug 5 is greater than the width of tube seat 42, and tube seat 42 is used for holding air duct 6, can avoid when the installation extrusion air duct 6, causes air duct 6 to block up, can guarantee the usual of air duct 6.

Specifically, the sealing plug 5 is in a circular truncated cone shape, the narrow end sleeve of the sealing plug 5 is provided with the sealing ring 51, the sealing ring 51 is fixedly connected with the sealing plug 5, and the sealing ring 51 is sleeved on the sealing plug 5, so that the friction force between the sealing plug 5 and the inner wall of the pipe can be increased, and the sealing performance is improved.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the pipe material to be detected and water are placed between the two extrusion plates 4, the sealing plugs 5 are hermetically installed at the two ends of the pipe material, after the pipe is installed, the pipe can be pressed downwards, so that the sealing plugs 5 at the two ends and the extrusion plate 4 on the inclined surface are extruded mutually to ensure the sealing performance between the sealing plugs 5 and the pipe, the air duct 6 is used for inflating the interior of the pipe to judge whether the pipe leaks air or not, and a plurality of pipes can be arranged at the same time for detection, meanwhile, the air tightness of a plurality of groups of pipes is detected, the detection speed of the pipes can be increased, in addition, the position of the extrusion plate 4 can be pushed by the cylinder expansion link 31 to move, when the lengths of the pipes are different, the distance between the two extrusion plates 4 can be adjusted by controlling the telescopic cylinder 3 and pushing or pulling the position of the extrusion plate 4 by using the telescopic rod 31 of the cylinder, so that the length of the pipe is adapted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tubular product airtight test pressure testing device which characterized in that: the device comprises a test water tank (1) and transmission cases (2) arranged on two sides of the test water tank (1), wherein a plurality of partition plates (12) are arranged inside the test water tank (1), the partition plates (12) are fixedly connected with the test water tank (1), two extrusion plates (4) are arranged between every two adjacent partition plates (12), the two extrusion plates (4) are symmetrically distributed at the left end and the right end of the test water tank (1), a pipe to be detected is placed between the two extrusion plates (4), sealing plugs (5) are arranged at two ends of the pipe, an air duct (6) is hermetically connected onto one sealing plug (5), the air duct (6) is hermetically connected with an external air supply device, a telescopic cylinder (3) is fixedly arranged inside the transmission cases (2), the telescopic cylinder (3) is hermetically connected with an external air supply, and an air cylinder telescopic rod (31) is fixedly connected to the output end of the telescopic cylinder (3), the other end of the cylinder telescopic rod (31) is fixedly connected with the extrusion plate (4), and the cylinder telescopic rod (31) is connected with the test water tank (1) in a sliding mode.

2. The pipe airtightness testing and pressure testing device according to claim 1, characterized in that: the transmission case (2) is internally provided with two guide rods (21), and the two guide rods (21) are symmetrically distributed above and below the telescopic cylinder (3).

3. The pipe airtightness testing and pressure testing device according to claim 2, characterized in that: the test water tank (1) is fixedly provided with a guide rod sliding seat (11) corresponding to the guide rod (21), the guide rod (21) slides on the inner side of the guide rod sliding seat (11), one end of the guide rod (21) is fixedly connected with the extrusion plate (4), and the other end of the guide rod is a free end.

4. The pipe airtightness testing and pressure testing device according to claim 1, characterized in that: the both sides of stripper plate (4) all are equipped with sealed pad (41), sealed pad (41) with stripper plate (4) fixed connection, stripper plate (4) with pass through between baffle (12) sealed pad (41) sealing connection.

5. The pipe airtightness testing and pressure testing device according to claim 1, characterized in that: a pipe groove (42) is formed in the inner side of the extrusion plate (4) corresponding to the air guide pipe (6), the air guide pipe (6) is placed in the pipe groove (42), and the width of the sealing plug (5) is larger than that of the pipe groove (42).

6. The pipe airtightness testing and pressure testing device according to claim 1, characterized in that: the sealing plug (5) is in a circular truncated cone shape, a sealing ring (51) is sleeved on the narrow end of the sealing plug (5), and the sealing ring (51) is fixedly connected with the sealing plug (5).