CN113294606B

CN113294606B - Protective device for petroleum pipeline joint long in service life

Info

Publication number: CN113294606B
Application number: CN202110715992.6A
Authority: CN
Inventors: 李学田; 樊希贞; 王辉; 张宝西; 吕秀亮; 崔瑞芳; 刘海成; 吴志海; 刘同芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-27
Filing date: 2021-06-27
Publication date: 2022-06-21
Anticipated expiration: 2041-06-27
Also published as: CN113294606A

Abstract

The invention discloses a protective device for a long service life of a petroleum pipeline joint, which comprises a pipeline I, a pipeline II and a base, wherein the pipeline I is communicated with the pipeline II through welding, stop blocks are welded on the surfaces of the pipeline I and the pipeline II, sleeves are arranged on the outer sides of the pipeline I and the second pipeline II, fixing rings are fixedly arranged on one sides of the sleeves, and the two fixing rings are fixedly connected through bolts. According to the invention, the connecting shaft is rotatably connected, the clamping block is fixedly connected to the outer side of the connecting shaft, and the arrangement of the coil spring is matched, so that the lower end of the clamping block always abuts against the outer wall of the pipeline, when the two fixing rings are gradually and fixedly connected together through the bolt, the clamping block in the sleeve gradually moves towards the welding position of the pipeline I and the pipeline II until the tail end of the clamping block abuts against the clamping block tightly, so that the extrusion force is always generated between the pipeline I and the pipeline II, the cracking of the welding seam can be effectively avoided, and the stability of the connecting position is improved.

Description

Protective device for petroleum pipeline joint long in service life

Technical Field

The invention relates to the field of oil exploitation, in particular to a protective device for a long service life of a petroleum pipeline joint.

Background

The petroleum pipeline is composed of oil pipes and accessories thereof, and is provided with corresponding oil pump units according to the requirements of the process flow, and is designed and installed into a complete pipeline system, for completing the tasks of oil receiving, unloading and transferring, the pipes of the oil pipeline are generally steel pipes, and are connected into a long-distance pipeline by connecting devices such as welding, flanges and the like, and the valve is used for opening and closing control and flow regulation, most of the petroleum pipelines can pass through deserted areas, the petroleum pipelines in the field can often encounter severe weather such as strong wind, heavy rain and the like, these inclement weather can be a significant hazard to petroleum pipelines installed on the ground, especially where the pipeline joints, the oil pipeline is mostly connected by welding, and the welding point is easy to crack under the severe environment, and the connection has certain distance to the ground, and the bending phenomenon easily appears in the strong wind weather.

Disclosure of Invention

The invention mainly solves the technical problems in the prior art and provides a protective device for a petroleum pipeline joint with long service life.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a protector for be used for petroleum pipeline junction long service life, includes pipeline one, pipeline two and base, and pipeline one and pipeline two are linked together through the welding, the dog has all been welded on the surface of pipeline one and pipeline two, the outside of pipeline one and second pipeline two all is provided with the sleeve, telescopic one side fixed mounting has solid fixed ring, through bolt fixed connection between two solid fixed rings, first recess has been seted up to telescopic inner wall, the inside of first recess is rotated and is connected with the connecting axle, the outside fixed mounting of connecting axle has the fixture block, the standing groove has been seted up to telescopic inside, the equal fixed mounting in both ends of connecting axle has the wind spring, and the other end of wind spring and the inner wall fixed connection of standing groove, the other end and the dog of fixture block offset.

Preferably, the inside of base rotates and is connected with the threaded rod, the lower extreme of threaded rod rotates with the bottom of base to be connected, the outside fixed thread of threaded rod is connected with the fixed plate, the downside fixed mounting of fixed plate has the support column, the downside threaded connection of support column has a solid fixed cylinder, the lower extreme of solid fixed cylinder rotates and is connected with the slipmat.

Preferably, a support is fixedly mounted on the upper side of the base, and an annular clamping seat matched with the sleeve is fixedly connected to the upper side of the support.

Preferably, the inside fixed mounting of base has the gag lever post, fixed plate and gag lever post sliding connection, and the inner wall sliding connection of fixed plate and base.

Preferably, the inside of one end of the sleeve is connected with a ball in a rolling manner, and the sleeve is connected with the first pipeline in a sliding manner through the ball.

Preferably, the upper end fixed mounting of threaded rod has the carousel, the second recess has been seted up on the surface of carousel, the inside rotation of second recess is connected with the handle.

Preferably, the number of the stop blocks fixedly connected to the outer side of the first pipeline is four, the four stop blocks are distributed on the outer side of the first pipeline in a circumferential array, and the number of the stop blocks is four and corresponds to the four stop blocks.

Compared with the prior art, the invention has the following beneficial effects:

1. when the pipeline welding fixture is used, the two sleeves are moved to two sides of the joint of the first pipeline and the second pipeline, then the first pipeline and the second pipeline are welded, after welding is finished, the two sleeves are gradually closed to the welding position, the connecting shaft in rotary connection is arranged, the clamping block is fixedly connected to the outer side of the connecting shaft, the lower end of the clamping block is enabled to be always abutted against the outer wall of the pipeline in a matched mode, when the two fixing rings are gradually and fixedly connected together through the bolts, the clamping block in the sleeves gradually moves to the welding position of the first pipeline and the second pipeline until the tail end of the clamping block is tightly abutted against the clamping block, and therefore extrusion force is always generated between the first pipeline and the second pipeline, cracking of the welding line can be effectively avoided, and stability of the joint is improved.

2. According to the invention, the ball bearings are connected to the tail ends of the sleeves in a rolling manner, so that the two sleeves can conveniently slide on a pipeline, the two fixing rings can conveniently fix the sleeves, and the protection device can be conveniently assembled.

Drawings

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

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic structural view of a cross section of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 3 according to the present invention;

fig. 6 is a schematic structural diagram of a first pipeline and a second pipeline according to the present invention.

In the figure: the pipeline comprises a first pipeline 1, a second pipeline 2, a sleeve 3, a fixing ring 4, a first groove 5, a stop block 6, a clamping block 7, a placing groove 8, a connecting shaft 9, a coil spring 10, a ball 11, a base 12, a bracket 13, a ring-shaped clamping seat 14, a fixing plate 15, a threaded rod 16, a limiting rod 17, a supporting column 18, a fixing cylinder 19, an anti-skid pad 20, a rotating disc 21, a second groove 22 and a handle 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a protection device for a petroleum pipeline with a long service life at a joint comprises a first pipeline 1, a second pipeline 2 and a base 12, wherein the first pipeline 1 is communicated with the second pipeline 2 through welding, a stop block 6 is welded on the surfaces of the first pipeline 1 and the second pipeline 2, a sleeve 3 is arranged on the outer sides of the first pipeline 1 and the second pipeline 2, a fixing ring 4 is fixedly arranged on one side of the sleeve 3, the two fixing rings 4 are fixedly connected through bolts, a first groove 5 is formed in the inner wall of the sleeve 3, a connecting shaft 9 is rotatably connected inside the first groove 5, a clamping block 7 is fixedly arranged on the outer side of the connecting shaft 9, a placing groove 8 is formed in the sleeve 3, coil springs 10 are fixedly arranged at two ends of the connecting shaft 9, the other ends of the coil springs 10 are fixedly connected with the inner wall of the placing groove 8, the other ends of the clamping blocks 7 abut against the stop block 6, a ball 11 is rotatably connected inside one end of the sleeve 3, and the sleeve 3 is connected with the pipeline I1 in a sliding way through the ball bearings 11, when in use, the two sleeves 3 are firstly moved to the two sides of the joint of the pipeline I1 and the pipeline II 2, then the first pipeline 1 and the second pipeline 2 are welded, after the welding is finished, the two sleeves 3 are gradually closed to the welding position, and through arranging a connecting shaft 9 which is connected in a rotating way, and the outer side of the connecting shaft 9 is fixedly connected with a clamping block 7, and the lower end of the clamping block 7 is always abutted against the outer wall of the pipeline by matching with the arrangement of a coil spring 10, when the two fixing rings 4 are gradually and fixedly connected together through the bolts, the fixture block 7 in the sleeve 3 gradually moves towards the welding position of the first pipeline 1 and the second pipeline 2 until the tail end of the fixture block 7 is tightly abutted against the fixture block 5, therefore, extrusion force is always generated between the first pipeline 1 and the second pipeline 2, cracking at the welding seam can be effectively avoided, and the stability of the connecting position is improved.

Referring to fig. 1-5, a threaded rod 16 is rotatably connected inside a base 12, the lower end of the threaded rod 16 is rotatably connected to the bottom of the base 1, a fixing plate 15 is fixedly connected to the outer side of the threaded rod 16 by a thread, a supporting column 18 is fixedly installed on the lower side of the fixing plate 15, a fixing cylinder 19 is connected to the lower side of the supporting column 18 by a thread, an anti-slip pad 20 is rotatably connected to the lower end of the fixing cylinder 19, a bracket 13 is fixedly installed on the upper side of the base 12, an annular clamping seat 14 matched with the sleeve 3 is fixedly connected to the upper side of the bracket 13, a limiting rod 17 is fixedly installed inside the base 1, the fixing plate 15 is slidably connected to the limiting rod 17, the fixing plate 15 is slidably connected to the inner wall of the base 1, a rotating plate 21 is fixedly installed on the upper end of the threaded rod 16, a second groove 22 is formed in the surface of the rotating plate 21, a handle 23 is rotatably connected to the inside of the second groove 22, and the handle 23 is rotated out of the second groove 22, then drive carousel 21 through handle 23 and rotate, carousel 21 drives threaded rod 16 and rotates, threaded rod 16 drives its outside threaded connection's fixed plate 15 downstream, fixed plate 15 drives support column 18 downstream, thereby can adjust the height of base 12, make annular cassette 14 offset with sleeve 3 all the time, play the effect of support, and

support column

18 and 19 threaded connection of solid fixed cylinder, thereby realize adjusting solid fixed cylinder 19 and the combination length of support column 18, satisfy the use on unevenness ground, improve overall stability.

Referring to fig. 1-6, four stoppers 6 are fixedly connected to the outer side of the first pipe 1, and the four stoppers 6 are circumferentially distributed on the outer side of the first pipe 1, and the number of the fixture blocks 7 is four, and corresponds to the four stoppers 6, wherein the two fixing rings 4 are fixedly connected by four bolts, and the positions of the four bolts correspond to the positions of the four fixture blocks 7, when one bolt is aligned with one of the stoppers 6 on the pipe, the four fixture blocks 7 in the sleeve 3 correspond to the four stoppers 6, thereby facilitating the installation of the protection device.

In summary, the following steps: when the protective device for the petroleum pipeline joint with long service life is installed and used, firstly, the two sleeves 3 move to the two sides of the joint of the pipeline I1 and the pipeline II 2, then the first pipeline 1 and the second pipeline 2 are welded, after the welding is finished, the two sleeves 3 are gradually closed to the welding position, and through arranging a connecting shaft 9 which is connected in a rotating way, and the outer side of the connecting shaft 9 is fixedly connected with a clamping block 7, and the lower end of the clamping block 7 is always abutted against the outer wall of the pipeline by matching with the arrangement of a coil spring 10, when the two fixing rings 4 are gradually and fixedly connected together through the bolts, the fixture block 7 in the sleeve 3 gradually moves towards the welding position of the first pipeline 1 and the second pipeline 2 until the tail end of the fixture block 7 is tightly abutted against the fixture block 5, therefore, extrusion force is always generated between the first pipeline 1 and the second pipeline 2, cracking at the welding seam can be effectively avoided, and the stability of the connecting position is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a protector for petroleum pipeline junction uses, includes pipeline one (1), pipeline two (2) and base (12), and pipeline one (1) and pipeline two (2) are linked together through the welding, its characterized in that: dog (6) have all been welded on the surface of pipeline (1) and pipeline two (2), the outside of pipeline (1) and pipeline two (2) all is provided with sleeve (3), one side fixed mounting of sleeve (3) has solid fixed ring (4), through bolt fixed connection between two solid fixed ring (4), first recess (5) have been seted up to the inner wall of sleeve (3), the internal rotation of first recess (5) is connected with connecting axle (9), the outside fixed mounting of connecting axle (9) has fixture block (7), standing groove (8) have been seted up to the inside of sleeve (3), the equal fixed mounting in both ends of connecting axle (9) has wind spring (10), and the other end of wind spring (10) and the inner wall fixed connection of standing groove (8), the other end and dog (6) of fixture block (7) offset.

2. A protector for use at a petroleum pipe joint as defined in claim 1, wherein: a threaded rod (16) is rotatably connected to the inside of the base (12), the lower end of the threaded rod (16) is rotatably connected with the bottom of the base (12), a fixing plate (15) is fixedly connected to the outer side of the threaded rod (16) in a threaded manner, a supporting column (18) is fixedly installed on the lower side of the fixing plate (15), a fixing cylinder (19) is connected to the lower side of the supporting column (18) in a threaded manner, and an anti-skid pad (20) is rotatably connected to the lower end of the fixing cylinder (19);

the inside fixed mounting of base (12) has gag lever post (17), fixed plate (15) and gag lever post (17) sliding connection, and the inner wall sliding connection of fixed plate (15) and base (12).

3. A protector for use at a petroleum pipe joint as defined in claim 2, wherein: the upper side fixed mounting of base (12) has support (13), the upside fixedly connected with of support (13) has annular cassette (14) with sleeve (3) looks adaptation.

4. A protector for use at a petroleum pipe joint as defined in claim 1, wherein: the inside roll connection of sleeve (3) one end has ball (11), and sleeve (3) pass through ball (11) and pipeline (1) sliding connection.

5. A protector for use at a petroleum pipe joint as defined in claim 2, wherein: the upper end fixed mounting of threaded rod (16) has carousel (21), second recess (22) have been seted up on the surface of carousel (21), the internal rotation of second recess (22) is connected with handle (23).

6. A protector for use at a petroleum pipe joint as defined in claim 1, wherein: the number of the check blocks (6) fixedly connected with the outer side of the first pipeline (1) is four, the four check blocks (6) are distributed on the outer side of the first pipeline (1) in a circumferential array mode, and the number of the check blocks (7) is four and corresponds to the four check blocks (6).