CN215985037U

CN215985037U - Pipeline sealing device for pipeline hydrostatic test

Info

Publication number: CN215985037U
Application number: CN202122124612.XU
Authority: CN
Inventors: 华峰
Original assignee: Shanghai Changyi Pipeline Equipment Co ltd
Current assignee: Shanghai Changyi Pipeline Equipment Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-03-08
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses a pipeline sealing device for a pipeline hydrostatic test, which comprises a connecting base, a sealing pipe and a damping connecting mechanism, wherein the sealing pipe is detachably connected to the right side wall of the connecting base, the damping connecting mechanism is detachably connected to the right side of the upper surface of the connecting base, the damping connecting mechanism consists of a connecting base plate, a connecting pressure rod and a damping spring, the connecting pressure rod is fixedly connected to the upper surface of the connecting base plate, the damping spring is connected to the surface of the connecting pressure rod in a surrounding manner, the pipeline can be effectively tested for fixation and damping during sealing, the test pipeline is prevented from shaking during testing, the stability of the joint of the sealing mechanism is effectively ensured, no gap is generated, the sealing effect is ensured, and the pipeline hydrostatic test is facilitated.

Description

Pipeline sealing device for pipeline hydrostatic test

Technical Field

The utility model relates to the technical field of pipeline sealing, in particular to a pipeline sealing device for a pipeline hydraulic test.

Background

In the process of producing the steel pipes, each steel pipe needs to be subjected to a hydrostatic test, namely, a special hydrostatic test machine is used for pressurizing the steel pipe, and the steel pipe is statically kept for a period of time under a certain pressure condition so as to test the welding quality and eliminate the welding residual stress. Because need be under certain pressure condition, static holding for a period of time, so require than higher to whole test system's sealing performance, do not have specific sealing device at present, when carrying out the hydraulic pressure experiment, the phenomenon of infiltration can appear, and the air in the pipeline can not discharge moreover, leads to unable effectual pipeline hydraulic pressure experiment of carrying on.

Patent No. CN200910152917.2 discloses a sealing device for a hydraulic test, in particular a pipe sealing device for a hydraulic test of a pipe. The utility model is realized by the following technical scheme: a pipeline sealing device for a pipeline hydrostatic test comprises a bottom plate arranged on the end face of a base of a hydrostatic test machine and a sealing assembly which is sealed and fixedly connected with the end face of the bottom plate; the sealing assembly comprises a pressing ring which is fixed with the bottom plate and is in sealing connection with the bottom plate, and a sealing ring which is arranged between the bottom plate and the pressing ring; the pressing ring is provided with a water inlet pipe communicated with the sealing ring and an exhaust pipe communicated with the inner cavity of the pipeline. The utility model is used for carrying out hydrostatic test on each steel pipe, namely, the steel pipes are pressurized by a special hydrostatic testing machine and are statically kept for a period of time under a certain pressure condition so as to test the welding quality and eliminate the welding residual stress.

The pipeline sealing device for the pipeline hydraulic test has the following defects: the pipeline sealing device for the pipeline hydrostatic test can not effectively fix the test pipeline when in use, and when measuring pressure, the test pipeline is easy to shake, so that the joint of the sealing device and the test pipeline is easy to loosen, gaps are generated, and the sealing effect is reduced. To this end, we propose a pipe sealing device for a pipe hydrostatic test.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pipeline sealing device for a pipeline hydrostatic test, which can effectively solve the problems in the background art.

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

the utility model provides a pipeline sealing device for pipeline hydrostatic test, includes the connection base, still includes sealed tube and shock attenuation coupling mechanism, the connection can be dismantled at the connection base right side wall to the sealed tube, shock attenuation coupling mechanism can dismantle the connection on connection base upper surface right side, shock attenuation coupling mechanism comprises connection chassis, connection depression bar and damping shock absorber spring, connect depression bar fixed connection at connection chassis upper surface, damping shock absorber spring encircles and connects at connection depression bar surface.

The damping connecting mechanism further comprises a fixing ring and a fixing mechanism, wherein the fixing ring is detachably connected to the top end of the damping connecting mechanism, and the fixing mechanism is connected to the top end of the fixing ring in a matching manner; the test pipeline is conveniently fixed through the fixing ring and the fixing mechanism, shaking of the test pipeline is avoided, the sealing effect of the joint is effectively guaranteed, and testing is conveniently carried out.

Furthermore, the fixing mechanism consists of a twisting rod, a connecting rotating shaft and a damping fixing plate, the connecting rotating shaft is connected to the bottom end of the twisting rod in a matching manner, and the damping fixing plate is fixedly connected to the bottom end of the connecting rotating shaft; lead to wrench movement pole for wrench movement pole downstream conveniently drives damping fixed plate downstream, and the convenience is fixed the inside test tube way of solid fixed ring, avoids test tube way to take place to rock when the test, effectively guarantees the accuracy of test experiment.

Furthermore, a sealing ring is arranged on the right side wall of the sealing tube, a test pipeline is detachably connected to the right side wall of the sealing tube, and the right side of the test pipeline is arranged in the fixing ring; can effectively improve sealed effect through the sealing washer, conveniently seal the test tube way, be convenient for carry out the experiment test.

Further, an exhaust connecting pipe is installed on the surface of the sealing pipe; be convenient for be connected with external aspiration pump through the exhaust connecting pipe, the inside air of test tube conveniently discharges improves the test experiment effect.

Compared with the prior art, the utility model has the following beneficial effects: 1. the connecting base is arranged on a water pressure experiment machine, the connecting base is connected with a test pipeline through a sealing pipe and seals the test pipeline during testing, a sealing gasket is arranged at the sealing position to further improve the sealing effect, meanwhile, a damping connecting mechanism is arranged on the right side of the upper surface of the connecting base, the damping connecting mechanism consists of a connecting base plate, a connecting pressure rod and a damping spring, the connecting pressure rod is fixed with the connecting base through the connecting base plate, a fixing ring is arranged at the top end of the connecting pressure rod, a fixing mechanism is arranged at the top end of the fixing ring, the fixing mechanism consists of a torsion rod, a connecting rotating shaft and a damping fixing plate, the torsion rod is meshed with the top end of the fixing ring and is connected with the damping fixing plate through the connecting rotating shaft, when the test pipeline is tested, the pressure measuring pipe passes through the fixing ring to be connected with the sealing pipe, the torsion rod is twisted to enable the torsion rod to move downwards, the damping fixing plate is conveniently driven to move downwards, the test pipeline in the fixing ring is conveniently fixed, and the test pipeline is prevented from shaking during testing; 2. simultaneously when the test pipeline takes place to vibrate, connect the depression bar and can drive damping spring and push down, can effectively cushion the vibrational force that the transmission comes, avoid the test pipeline to receive great resonance effect when the experiment, can not cause the test pipeline to rock, avoid the test pipeline to take place not hard up with the sealed tube junction, effectively guarantee the leakproofness of sealed tube, can effectively seal the test pipeline, guarantee the accuracy of test experiment, be convenient for use.

Drawings

Fig. 1 is a schematic structural diagram of a pipe sealing device for a pipe hydrostatic test according to the present invention.

Fig. 2 is a schematic structural diagram of a fixing mechanism of a pipe sealing device for a pipe hydrostatic test according to the present invention.

Fig. 3 is a schematic structural diagram of a shock-absorbing connection mechanism of a pipe sealing device for a pipe hydrostatic test according to the present invention.

In the figure: 1. connecting a base; 2. a sealing tube; 3. an exhaust connecting pipe; 4. a seal ring; 5. testing the pipeline; 6. a shock-absorbing connecting mechanism; 7. a fixing ring; 8. a fixing mechanism; 601. connecting a chassis; 602. connecting a pressure lever; 603. a damping spring; 801. twisting the rod; 802. connecting a rotating shaft; 803. shock attenuation fixed plate.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a pipeline sealing device for pipeline hydrostatic test, including connecting base 1, still include sealed tube 2 and shock attenuation coupling mechanism 6, the connection can be dismantled at the connection base 1 right side wall to sealed tube 2, shock attenuation coupling mechanism 6 can dismantle the connection on connecting base 1 upper surface right side, shock attenuation coupling mechanism 6 comprises connection chassis 601, connection depression bar 602 and damping spring 603, connection depression bar 602 fixed connection is on connecting chassis 601 upper surface, damping spring 603 encircles and connects on connecting depression bar 602 surface.

The damping device further comprises a fixing ring 7 and a fixing mechanism 8, wherein the fixing ring 7 is detachably connected to the top end of the damping connecting mechanism 6, and the fixing mechanism 8 is connected to the top end of the fixing ring 7 in a matched mode; through solid fixed ring 7 and fixed establishment 8 convenience fixed test pipeline 5, avoid it to take place to rock, effectively guarantee the sealed effect of junction, conveniently test.

The fixing mechanism 8 is composed of a torsion bar 801, a connecting rotating shaft 802 and a damping fixing plate 803, wherein the connecting rotating shaft 802 is connected to the bottom end of the torsion bar 801 in a matching manner, and the damping fixing plate 803 is fixedly connected to the bottom end of the connecting rotating shaft 802; lead to wrench movement pole 801 for wrench movement pole 801 moves down, conveniently drives shock attenuation fixed plate 803 and moves down, conveniently fixes solid fixed ring 7 inside test tube 5, avoids test tube 5 to take place to rock when the test, effectively guarantees the accuracy of test experiment.

The right side wall of the sealing pipe 2 is provided with a sealing ring 4, the right side wall of the sealing pipe 2 is detachably connected with a test pipeline 5, and the right side of the test pipeline 5 is arranged in a fixing ring 7; can effectively improve sealed effect through sealing washer 4, conveniently seal test pipeline 5, be convenient for carry out the experiment test.

Wherein, the surface of the sealing pipe 2 is provided with an exhaust connecting pipe 3; be convenient for be connected with external aspiration pump through exhaust connecting pipe 3, the inside air of test tube 5 is conveniently discharged, improves the test experiment effect.

It should be noted that the utility model is a pipeline sealing device for pipeline hydrostatic test, during operation, the connection base 1 is installed on the hydrostatic test machine, during test, the connection base is connected with the test pipeline 5 through the sealing tube 2 and seals the test pipeline, the sealing position is provided with the sealing ring 4, further improves the sealing effect, at the same time, the right side of the upper surface of the connection base 1 is installed with the shock absorption connection mechanism 6, the shock absorption connection mechanism 6 is composed of the connection base 601, the connection pressure rod 602 and the damping shock absorption spring 603, the connection pressure rod 602 is fixed with the connection base 1 through the connection base 601, at the same time, the top end of the connection pressure rod 602 is installed with the fixing ring 7, the top end of the fixing ring 7 is installed with the fixing mechanism 8, and the fixing mechanism 8 is composed of the torsion rod 801, the connection rotation shaft 802 and the shock absorption fixing plate 803, the torsion rod 801 is engaged with the top end of the fixing ring 7 and is connected with the shock absorption fixing plate 803 through the connection rotation shaft 802, when testing pipeline 5 and experimenting, pass solid fixed ring 7 with test pipeline 5 and link together with sealed tube 2, logical wrench movement pole 801, make wrench movement pole 801 move down, conveniently drive shock attenuation fixed plate 803 and remove down, conveniently fix the inside test pipeline 5 of solid fixed ring 7, avoid test pipeline 5 to take place to rock when testing, simultaneously when test pipeline 5 takes place to vibrate, it can drive damping spring 603 and push down to connect depression bar 602, can effectively cushion the vibrational force that the transmission comes, avoid test pipeline 5 to receive great resonance effect when the experiment, can not cause test pipeline 5 to rock, avoid test pipeline 5 and sealed tube 2 junction to take place to become flexible, effectively guarantee sealed tube 2's leakproofness, can effectively seal test pipeline 5, guarantee the accuracy of test experiment, and convenient to use.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pipeline sealing device for pipeline hydrostatic test, is including connecting base (1), its characterized in that, still includes sealed tube (2) and shock attenuation coupling mechanism (6), the connection can be dismantled in sealed tube (2) and connect base (1) right side wall, shock attenuation coupling mechanism (6) can be dismantled and connect on connection base (1) upper surface right side, shock attenuation coupling mechanism (6) comprise connection chassis (601), connection depression bar (602) and damping spring (603), connect depression bar (602) fixed connection at connection chassis (601) upper surface, damping spring (603) encircle to connect and connect on connection depression bar (602) surface.

2. The pipe sealing device for the hydraulic test of the pipe as claimed in claim 1, wherein: still including solid fixed ring (7) and fixed establishment (8), gu fixed ring (7) can be dismantled and connect on shock attenuation coupling mechanism (6) top, fixed establishment (8) cooperation is connected on solid fixed ring (7) top.

3. The pipe sealing device for the hydraulic test of the pipe as claimed in claim 2, wherein: fixed establishment (8) comprise wrench movement pole (801), connection axis of rotation (802) and shock attenuation fixed plate (803), connect axis of rotation (802) cooperation and connect in wrench movement pole (801) bottom, shock attenuation fixed plate (803) fixed connection is in connecting axis of rotation (802) bottom.

4. The pipe sealing device for the hydraulic test of the pipe as claimed in claim 1, wherein: sealing tube (2) right side wall is provided with sealing washer (4), sealing tube (2) right side wall can be dismantled and be connected with test pipeline (5), and test pipeline (5) right side is installed inside solid fixed ring (7).

5. The pipe sealing device for the hydraulic test of the pipe as claimed in claim 1, wherein: and an exhaust connecting pipe (3) is arranged on the surface of the sealing pipe (2).