CN211145759U

CN211145759U - Be used for oil gas gathering pipeline maintenance plugging device

Info

Publication number: CN211145759U
Application number: CN201921900626.2U
Authority: CN
Inventors: 张金利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-31
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a be used for oil gas gathering and transportation pipeline maintenance plugging device, including casing and pipeline, the right side of casing is fixed with the diaphragm, the front side rotation of diaphragm is installed the rotary disk, the division has a plurality of screw holes on the rotary disk, threaded connection has spacing bolt on the screw hole, the articulated one end that has the connecting rod on the rotary disk, the other end of connecting rod articulates there is the one end of slide bar, the other end of slide bar stretches into in the casing, the casing internal fixation has solid fixed ring, gu fixed ring's centre is fixed with the shutoff piece, the cavity has been seted up in the shutoff piece, the left end of slide bar articulates the one end that has two push rods. The utility model discloses in, through with the casing suit in the outside of pipeline, in the shutoff piece got into the pipeline, the shutoff piece played limiting displacement to the pipeline, at the pipeline head more accurate to the position of sealing washer like this, through rotatory rotary disk, promoted the slip of the through-hole of grip block on the shutoff piece.

Description

Be used for oil gas gathering pipeline maintenance plugging device

Technical Field

The utility model relates to a pipeline maintenance field especially relates to a be used for oil gas gathering and transportation pipeline maintenance plugging device.

Background

The oil, associated natural gas and other products produced by dispersed oil wells are collected, and the whole process of respectively transporting qualified oil and natural gas to an oil refinery and a natural gas user is called oil-gas gathering and transportation after necessary treatment and initial processing.

At present, the pipeline has become the important part of city infrastructure construction, and it has high efficiency and convenience in the aspect of transportation oil, water, gas, and is closely relevant with people's life, along with the massing of pipe laying, pipeline trouble also takes place occasionally, and in the municipal administration that involves among the present city pipeline engineering, the line changing and salvage the in-process, in order to reduce the adverse effect to rear end user's use, often need to carry out the shutoff operation of taking pressure to the pipeline in service. Generally, plugging holes are formed in the upstream and downstream positions of a maintenance pipeline, a plugging head is placed in the pipeline for plugging, a bypass pipeline is built, so that maintenance and replacement can be performed when the bypass pipeline is used normally, the design of the plugging head in plugging equipment directly influences the quality of plugging, the sealing effect of plugging is ensured, and the damage degree of the plugging to the pipeline is also considered. The plugging head generally requires good plugging effect, is easy to install and disassemble, can be repeatedly used, and meets the high efficiency requirement of site construction.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a maintenance and plugging device for an oil gas gathering and transportation pipeline.

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

the utility model provides a be used for oil gas gathering and transportation pipeline maintenance plugging device, includes casing and pipeline, the right side of casing is fixed with the diaphragm, the front side rotation of diaphragm is installed the rotary disk, the division has a plurality of screw holes on the rotary disk, threaded connection has spacing bolt on the screw hole, the articulated one end that has the connecting rod on the rotary disk, the other end of connecting rod articulates there is the one end of slide bar, the other end of slide bar stretches into in the casing, the casing internal fixation has solid fixed ring, gu fixed ring's centre is fixed with the shutoff piece, the cavity has been seted up in the shutoff piece, the left end of slide bar articulates the one end that has two push rods, the other end of push rod articulates there is the grip block, the outer lane of shutoff piece is fixed with annular sealing.

Preferably, the sealing ring is provided with an annular groove matched with the pipeline, a through hole communicated with the cavity is formed in the blocking block, and the clamping block slides in the through hole.

Preferably, the blocking block is cylindrical, and the transverse plate is provided with a through hole matched with the limiting bolt.

Preferably, a sealing gasket is fixed on one side of the clamping block close to the pipeline, and handles are fixed on the upper side and the lower side of the shell.

Preferably, the middle of the fixing ring is provided with a through hole matched with the blocking block.

Preferably, the outer ring of the fixing ring is welded with the shell, and the inner ring of the fixing ring is welded with the blocking block.

The utility model has the advantages that: the utility model discloses in, through with the casing suit in the outside of pipeline, in the shutoff piece gets into the pipeline, the shutoff piece played limiting displacement to the pipeline, like this at the pipeline head to the more accurate of the position of sealing washer, through rotatory rotary disk, promote the slip of the through-hole of grip block on the shutoff piece, make the tight subsides of seal gasket on the grip block on the inner wall of pipeline, play stable positioning action to integrated device, prevent droing of casing, through the handle, make things convenient for taking of casing, convenient construction, the utility model discloses, easy operation, easy to assemble need not hand, reduced workman's intensity of labour, improve the installation effectiveness, the reduction causes the damage to the pipeline, ability used repeatedly.

Drawings

Fig. 1 is the utility model relates to a schematic structure diagram that is used for oil gas gathering pipeline to maintain plugging device.

Fig. 2 is the utility model relates to a structural schematic diagram that looks sideways for oil gas gathering pipeline maintenance plugging device.

Reference numbers in the figures: the device comprises a shell 1, a pipeline 2, a rotating disk 3, a threaded hole 4, a connecting rod 5, a limiting bolt 6, a blocking block 7, a push rod 8, a clamping block 9, a sealing gasket 10, a sealing ring 11, a fixing ring 12, a transverse plate 13 and a sliding rod 14.

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.

Referring to fig. 1-2, a maintenance and plugging device for an oil gas gathering and transportation pipeline comprises a shell 1 and a pipeline 2, a transverse plate 13 is fixed on the right side of the shell 1, a rotary disc 3 is rotatably installed on the front side of the transverse plate 13, a plurality of threaded holes 4 are formed in the rotary disc 3, a limit bolt 6 is in threaded connection with each threaded hole 4, one end of a connecting rod 5 is hinged to each rotary disc 3, the other end of each connecting rod 5 is hinged to one end of a sliding rod 14, the other end of each sliding rod 14 extends into the shell 1, a fixing ring 12 is fixed in the shell 1, a plugging block 7 is fixed in the middle of each fixing ring 12, a cavity 15 is formed in each plugging block 7, one end of two push rods 8 is hinged to the left end of each sliding rod 14, the other end of each push rod 8 is hinged to a clamping block 9, an annular sealing ring 11 is fixed on the outer ring of each plugging block 7, each sealing ring, the clamping block 9 slides in the through hole, the blocking block 7 is cylindrical, a through hole matched with the limiting bolt 6 is formed in the transverse plate 13, a sealing gasket 10 is fixed on one side, close to the pipeline 2, of the clamping block 9, handles are fixed on the upper side and the lower side of the shell 1, the through hole matched with the blocking block 7 is formed in the middle of the fixing ring 12, the outer ring of the fixing ring 12 is welded with the shell 1, and the inner ring of the fixing ring 12 is welded with the blocking block 7.

The working principle is as follows: when maintenance is carried out, the shell 1 is sleeved on the pipeline 2, the blocking block 7 enters the inside of the pipeline 2 while the shell 1 is sleeved, the front half part of the blocking block 7 has a limiting effect on the entering of the pipeline 2 to ensure that the pipeline 2 enters the position of the sealing ring 11 to be stable and accurate, the pipeline 2 enters the annular groove of the sealing ring 11, then the rotating disc 3 is rotated, the rotating disc 3 rotates to drive the connecting rod 5, the connecting rod 5 enables the sliding rod 14 to slide, the sliding rod 14 slides leftwards, the push rod 8 at the left end of the sliding rod 14 drives the clamping block 9 to slide in the through hole on the blocking block 7, the push rod 8 drives the clamping block 9 to ascend to enable the sealing gasket 10 on the clamping block 9 to be tightly attached to the inner wall of the pipeline 2 to ensure the stability of the device, at the moment, the rotating disc 3 is fixed through the limiting bolt 6, the limiting bolt 6 is in threaded connection with the threaded, the rotating disc 6 is ensured to be fixed, so that the clamping block 9 is tightly attached to the inner wall of the pipeline 2, and the stability of the device is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a be used for oil gas gathering pipeline to maintain plugging device, includes casing (1) and pipeline (2), its characterized in that, the right side of casing (1) is fixed with diaphragm (13), rotary disk (3) are installed in the front side rotation of diaphragm (13), the division has a plurality of screw holes (4) on rotary disk (3), threaded connection has stop bolt (6) on screw hole (4), the articulated one end that has connecting rod (5) on rotary disk (3), the other end of connecting rod (5) articulates the one end that has slide bar (14), the other end of slide bar (14) stretches into in casing (1), casing (1) internal fixation has solid fixed ring (12), the centre of solid fixed ring (12) is fixed with shutoff piece (7), seted up cavity (15) in shutoff piece (7), the left end of slide bar (14) articulates the one end that has two push rods (8), the other end of the push rod (8) is hinged with a clamping block (9), and an annular sealing ring (11) is fixed on the outer ring of the plugging block (7).

2. The device for repairing and plugging an oil and gas gathering and transportation pipeline according to claim 1, wherein the sealing ring (11) is provided with an annular groove matched with the pipeline (2), the plugging block (7) is provided with a through hole communicated with the cavity (15), and the clamping block (9) slides in the through hole.

3. The device for repairing and plugging an oil and gas gathering and transportation pipeline according to claim 1, wherein the plugging block (7) is cylindrical, and a through hole matched with the limiting bolt (6) is formed in the transverse plate (13).

4. The oil and gas gathering and transportation pipeline maintenance and blocking device as claimed in claim 1, wherein a sealing gasket (10) is fixed on one side of the clamping block (9) close to the pipeline (2), and handles are fixed on the upper and lower sides of the shell (1).

5. The device for repairing and plugging an oil and gas gathering and transportation pipeline according to claim 1, wherein a through hole matched with the plugging block (7) is formed in the middle of the fixing ring (12).

6. The device for repairing and plugging an oil and gas gathering and transportation pipeline according to claim 1, characterized in that the outer ring of the fixing ring (12) is welded with the shell (1), and the inner ring of the fixing ring (12) is welded with the plugging block (7).