CN112161143A

CN112161143A - Joint coating fastening device for weldless composite anti-corrosion pipeline

Info

Publication number: CN112161143A
Application number: CN201911298232.9A
Authority: CN
Inventors: 康维松; 周庆伟; 崔锟; 张震; 张斌; 王春生; 魏健
Original assignee: Tianjin Jineng Pipe Co ltd
Current assignee: Tianjin Jineng Pipe Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2021-01-01

Abstract

The invention discloses a seamless composite anti-corrosion pipeline joint coating fastening device, which comprises a base and a top beam. According to the invention, the bearing support and the pipe conveying channel which are of circular structures are arranged on the base, and the hydraulic oil cylinders and the telescopic supporting rods which are in one-to-one correspondence are circumferentially arranged on the bearing support, so that the circumferentially arranged pressing plates can perform pressing, expanding and limiting on ports of plastic pipes; the rack is used for driving the supporting plate to perform stable height position adjustment by horizontally arranging the screw rods in meshed connection with the gears, so that the plastic pipe is supported and supported from the lower position; the electromagnetic controller is used for controlling the first-stage expansion piece and the second-stage expansion piece which are connected with the suction disc to move synchronously with the plastic pipe in the guide groove on the cross beam so as to pull the plastic pipe from the upper position, thereby ensuring that the plastic pipe is always in an expanded state in the conveying process.

Description

Joint coating fastening device for weldless composite anti-corrosion pipeline

Technical Field

The invention relates to the technical field of composite anticorrosive pipeline maintenance, in particular to a seamless composite anticorrosive pipeline joint coating fastening device.

Background

Because of the continuous development of scientific technology and the continuous improvement of the utilization degree of various energy resources, various energy resources need to be transported comprehensively, and in the prior art, a composite anti-corrosion pipeline is generally adopted for transportation. The practical situation is that most pipelines for conveying oil and gas are in a complex soil environment, and the conveyed media are also corrosive, so that the inner wall and the outer wall of the pipeline are likely to be corroded, once the pipeline is corroded and perforated, the oil and gas are leaked, the transportation is interrupted, the environment is polluted, even a fire disaster is likely to be caused, and the adverse effects on the human health and the natural environment are very serious. The inevitable problem is that in a complex natural environment, the pipelines for transporting various energy resources often have larger or smaller repaired mouths due to various factors, and in order to reduce or even avoid leakage and diffusion of the energy resources, the repair mouths of the pipelines need to be repaired without a weld seam, and the repair mouths of the pipelines commonly used in the prior art include petroleum asphalt repair mouths, epoxy coal tar asphalt repair mouths, adhesive tape repair mouths, powder epoxy repair mouths, PE thermal shrinkage material repair mouths and the like, wherein the repair mouths of the pipelines using the PE thermal shrinkage material are the most common repair ways.

The PE heat shrinkable material is a plastic pipe made of polyethylene material, which is usually proposed, because the polyethylene plastic pipe is light and tough in texture and has the characteristic of easy deformation and shrinkage, the polyethylene pipe in a normal state is shrunken, and the polyethylene plastic pipe in a shrinkage state is not convenient for direct use. Under the prior art, be difficult to expand the light soft polyethylene plastic pipe of matter effectively, especially to having certain length and the hose of opening size, simultaneously because the polyethylene plastic pipe is hollow structure, under the condition of great length, be difficult to make it carry out dynamic show application with the pipe structure, in addition, when carrying out the joint coating operation to compound anticorrosive pipe, the opening that needs to ensure the polyethylene plastic pipe is circular structure, so that establish fixedly in the cover, under this requirement, just must make it keep at the state of stretching, be about to the polyethylene plastic pipe uses with circular structure, under the conventional art, be difficult to satisfy this type of requirement.

Disclosure of Invention

The invention aims to solve the problem that in the prior art, stable fastening and limiting are difficult to carry out on a weldless composite anti-corrosion pipeline, so that the operation of repairing a joint is influenced, and provides a weldless composite anti-corrosion pipeline joint fastening device.

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

a seamless composite anti-corrosion pipeline joint coating fastening device comprises a base and a top beam, wherein a support is connected to one end of the base through a bolt, a bearing support is connected to the support through a bolt, a pipeline conveying channel is welded to one side of the bearing support, six installation seats are connected to the bearing support through bolts at equal intervals in the circumferential direction, hydraulic cylinders and telescopic supporting rods are fixedly installed on the six installation seats, push plates are fixedly connected between the hydraulic cylinders and the telescopic supporting rods which correspond to one another, one ends, far away from the push plates, of the telescopic supporting rods are fixedly connected with a pressing plate, and a hydraulic controller connected with the hydraulic cylinders is fixedly installed on the bearing support;

the pipe conveying device comprises a base, a plurality of gear racks and guide plates, wherein the gear racks are respectively and vertically welded on the base, gears are rotatably arranged on the gear racks, one end, far away from the guide plates, of the base is connected with a servo motor through bolts, screw rods which are meshed with the gears and rotatably connected with the gears are rotatably sleeved in the guide plates, two racks which are meshed with the gears and rotatably connected with the gears are movably arranged on the guide plates, a supporting plate is horizontally connected between the upper ends of the two racks, and plastic pipes which are positioned at the upper ends of the supporting;

the back timber has seted up the guide way in, and is equipped with one-level expansion bend and second grade expansion bend in the guide way respectively, the equal fixedly connected with sucking disc of one-level expansion bend and second grade expansion bend lower extreme, the fixed infrared stopper that is equipped with in guide way one end, and be provided with on the back timber with one-level expansion bend and second grade expansion bend electric connection's electromagnetic controller.

Preferably, the top beam and the base are horizontally arranged up and down correspondingly, and the plastic pipe horizontally positioned in the pipe conveying channel is positioned between the top beam and the base.

Preferably, the bearing support and the pipeline conveying channel are both of circular structures.

Preferably, the six hydraulic oil cylinder output shafts movably extend towards the outer side of the bearing support, the push plate is connected to the output end of the hydraulic oil cylinder and one end of the telescopic support rod, and the six press plates movably extend towards the inner side of the pipe conveying channel.

Preferably, a hydraulic pipe is connected between the hydraulic controller and the six hydraulic oil cylinders.

Preferably, the gear rack and the guide plates are distributed at intervals, bearings are arranged in the middle parts of the guide plates, and the screw rod horizontally positioned at the lower end of the gear penetrates through the bearings.

Preferably, the guide plate is provided with two sliding grooves in one side facing the gear in a vertical mode, and the two racks are welded with sliding blocks respectively sleeved in the two sliding grooves in a sliding mode.

Preferably, one-level expansion bend is located the plastic pipe upper end with the equidistance of second grade expansion bend, and two sucking discs all adsorb with the plastic pipe is dismantled and assembled to be connected.

Compared with the prior art, the invention has the following advantages:

1. the invention sets a bearing support supported by a bracket on a base, utilizes the bearing support to install a pipe conveying channel with a circular structure, sets six installation seats on the bearing support in the circumferential direction, sets hydraulic cylinders and telescopic support rods which correspond to each other one by one on the installation seats, connects a push plate between the hydraulic cylinders and the telescopic support rods, and connects a press plate on the other end of the telescopic support rods, so that the telescopic support rods which can be bidirectionally telescopic drive the press plate to stretch at any position, thereby pressing and limiting the port of the plastic pipe passing through the pipe conveying channel.

2. According to the plastic pipe transportation device, the gear rack and the guide plates are arranged at intervals on the base, the gear rack and the guide plates are correspondingly arranged one by one and are in meshing transmission, the screw rods which are driven by the servo motor to rotate and are in meshing transmission connection with the gears are arranged among the guide plates, the gear rotation and the vertical movement of the rack are realized by the screw rods, and the support plate is connected onto the rack so as to provide a supporting and supporting effect for the horizontally moving plastic pipe by the support plate which can be adjusted in the vertical position, so that the plastic pipe is prevented from falling down on the couch and deforming in the transportation process.

3. The top beam is provided with a guide groove corresponding to the pipe conveying channel, the primary expansion piece and the secondary expansion piece which can move horizontally in the guide groove are controlled in a unified way through the electromagnetic controller, and the suction cups are connected to the primary expansion piece and the secondary expansion piece, so that the plastic pipe can be adsorbed and pulled from the upper position, and the plastic pipe is prevented from shrinking and deforming in the conveying process.

In conclusion, the bearing support and the pipe conveying channel which are of circular structures are arranged on the base, the hydraulic cylinders and the telescopic support rods which are in one-to-one correspondence are circumferentially arranged on the bearing support, and the telescopic support rods connected with the pressing plates are driven by the hydraulic cylinders to carry out bidirectional telescopic adjustment, so that the pressing plates which are circumferentially arranged can carry out pressing, expanding and limiting on the ports of the plastic pipes; the rack is used for driving the supporting plate to perform stable height position adjustment by horizontally arranging the screw rods in meshed connection with the gears, so that the plastic pipe is supported and supported from the lower position; the electromagnetic controller is used for controlling the first-stage expansion piece and the second-stage expansion piece which are connected with the suction disc to move synchronously with the plastic pipe in the guide groove on the cross beam so as to pull the plastic pipe from the upper position, thereby ensuring that the plastic pipe is always in an expanded state in the conveying process.

Drawings

FIG. 1 is a schematic structural view of a jointless composite corrosion-resistant pipeline joint coating fastening device provided by the invention;

FIG. 2 is an enlarged view of a part A of the structure of the joint coating fastening device for the weldless composite corrosion-resistant pipeline provided by the invention;

FIG. 3 is a structural side view of a jointless composite corrosion-resistant pipeline joint coating fastening device provided by the invention;

FIG. 4 is a schematic diagram of a guide plate structure of a seamless composite anticorrosive pipeline joint coating fastening device according to the present invention;

FIG. 5 is a schematic view of a connection structure of a rack and a supporting plate of the joint coating fastening device for the weldless composite corrosion-resistant pipeline provided by the invention;

fig. 6 is a schematic structural view of a bearing support and a pipeline channel of the joint coating fastening device for the weldless composite corrosion-resistant pipeline provided by the invention.

In the figure: the device comprises a base 1, a top beam 2, a support 3, a bearing support 4, a pipe conveying channel 5, a mounting seat 6, a hydraulic oil cylinder 7, a telescopic support rod 8, a push plate 9, a pressing plate 10, a hydraulic controller 11, a hydraulic pipe 12, a gear carrier 13, a guide plate 14, a servo motor 15, a screw rod 16, a gear 17, a rack 18, a slide block 19, a slide groove 20, a support plate 21, a plastic pipe 22, a guide groove 23, a primary telescopic device 24, a secondary telescopic device 25, a suction cup 26, an infrared limiter 27, an electromagnetic controller 28 and a bearing 29.

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.

Referring to fig. 1-6, a seamless composite corrosion-resistant pipeline repaired mouth fastening device comprises a base 1 and a top beam 2, the set length of the base 1 and the top beam 2 is determined according to the required length of a polyethylene plastic pipe, the scheme can be set to 1.8-2.5m, one end of the base 1 is in bolted connection with a support 3, the support 3 is in bolted connection with a bearing support 4, one side of the bearing support 4 is welded with a pipe conveying channel 5, it is to be noted that, referring to the description of the attached drawing 3 and the description of the attached drawing 6 specifically, the opening of the bearing support 6 is larger than the pipe conveying channel 5, six installation seats 6 are in bolted connection with the bearing support 4 at equal intervals in the circumferential direction, hydraulic cylinders 7 and telescopic supporting rods 8 are fixedly installed on the six installation seats 6, push plates 9 are fixedly connected between the hydraulic cylinders 7 and the telescopic supporting rods 8 which correspond to each other, and a, a hydraulic controller 11 connected with the hydraulic oil cylinder 7 is fixedly installed on the bearing support 4, the hydraulic oil cylinder 9 can be selected from standard equipment with the model number of YGS70 x 30 x 520, and the hydraulic controller 11 can be selected from servo control equipment with the model number of MCDLN35 SE;

further, the hydraulic cylinders 7 and the telescopic support rods 8 mounted on the same mounting seat 6 are a group, and although the scheme is set to six groups, when the circular standard degree of the polyethylene plastic pipe needs to be improved in actual requirements, the opening end of the polyethylene plastic pipe can be expanded and limited by using smaller spacing difference by arranging 8-10 groups of hydraulic cylinders 7 and telescopic support rods 8.

A plurality of gear frames 13 and guide plates 14 are respectively vertically welded on the base 1, a gear 17 is rotatably arranged on each gear frame 13, a servo motor 15 is connected to one end, far away from the guide plate 14, of the base 1 through a bolt, the servo motor 15 is HC-SFS102B, a screw 16 meshed with the gear 17 and rotatably connected with the guide plate 14 is rotatably sleeved in the guide plate 14, two racks 18 meshed with the gear 17 are movably mounted on the guide plate 14, a supporting plate 21 is horizontally connected between the upper ends of the two racks 18, and referring to the accompanying drawing 1-2, when the screw 16 is driven to rotate directionally, the gear 17 is meshed with the gear 17 to rotate directionally, the gear 17 drives the rack 18 meshed with the gear to move upwards or downwards, so that the supporting plate 21 can be adjusted to move vertically, and a plastic pipe 22 positioned at the upper end of the supporting plate 21 is movably arranged in the pipe conveying channel 5;

a guide groove 23 is arranged in the top beam 2, a primary expansion piece 24 and a secondary expansion piece 25 are respectively arranged in the guide groove 23, the primary expansion piece 24 and the secondary expansion piece 25 can be electric equipment with a Skaifu brand model of CAHB-10, the lower ends of the primary expansion piece 24 and the secondary expansion piece 25 are fixedly connected with a suction cup 26, when the suction cup 26 is connected with the upper end of the plastic pipe 22 in an adsorption way, the suction cup can be used for drawing the plastic pipe 22 to avoid the contraction of the lower bed at the upper end of the plastic pipe 22, an infrared stopper 27 is fixedly arranged in one end of the guide groove 23, the model of the infrared stopper 27 is Cirius-2, when the distance between the secondary expansion piece 25 and the infrared stopper 27 is less than 3-5cm, the primary expansion piece 24 and the secondary expansion piece 25 can be stopped by the electromagnetic controller 28, and the electromagnetic controller 28 electrically connected with the primary expansion piece 24 and the secondary expansion piece 25 is arranged on the top beam, the solenoid controller 28 may be implemented with control devices having a product model number CH13-JD 1A-40.

The top beam 2 and the base 1 are correspondingly horizontally arranged up and down, and the plastic pipe 22 is horizontally arranged between the top beam 2 and the base 1 in the pipe conveying channel 5, so that the plastic pipe 22 is conveniently pulled and supported from the upper direction and the lower direction.

The bearing support 4 and the pipe conveying channel 5 are both circular structures.

Six hydraulic cylinder 7 output shafts all extend to the activity of 4 outsides of bearing support, and push pedal 9 is connected in 7 output ends of hydraulic cylinder and 8 one ends of telescopic strut, and six pressfitting boards 10 all extend to the inboard activity of defeated pipe passageway 5, when six pressfitting boards 10 anisotropic movements, can follow different positions and carry out the centre gripping to the plastic pipe open end to make it become circular structure.

Hydraulic pipes 12 are connected between the hydraulic controller 11 and the six hydraulic oil cylinders 7, so that opening and closing of the six hydraulic oil cylinders 7 are controlled in a unified mode.

The gear frame 13 and the guide plates 14 are distributed at intervals, the bearings 29 are arranged in the middle parts of the guide plates 14, the screw rods 16 horizontally positioned at the lower ends of the gears 17 penetrate through the bearings 29 and are sleeved in the bearings 29, and the rotation of the gears 17 and the up-and-down movement of the racks 18 can be achieved by using one screw rod 16, so that the purposes of high efficiency and labor saving are achieved.

Two sliding grooves 20 are vertically formed in one side, facing the gear 17, of the guide plate 14, sliding blocks 19 which are respectively sleeved in the two sliding grooves 20 are welded on the two racks 18, and the sliding blocks 19 which can move up and down in the sliding grooves 20 can provide guiding and limiting effects for the racks 18, so that the stability of the plastic pipes 22 movably supported by the racks 18 and the supporting plate 21 is ensured, and the plastic pipes 22 can be kept static and can also be kept horizontally under the supporting effect of the supporting plate 21.

The first-stage expansion piece 24 and the second-stage expansion piece 25 are equidistantly located at the upper end of the plastic pipe 22, and the two suckers 26 are detachably connected with the plastic pipe 22 in an adsorption manner, so that the upper end of the plastic pipe 22 has a certain traction shaping effect in the horizontal moving and static processes.

The invention can be illustrated by the following operating modes:

firstly, the six hydraulic oil cylinders 7 move by taking the mounting seat 6 as a fulcrum through controlling the hydraulic controller 11, the output shafts of the hydraulic oil cylinders 7 extend to extrude the push plate 9, and the stressed push plate 9 pulls the telescopic supporting rod 8;

secondly, the compression plates 10 are driven by the telescopic supporting rods 8 to move backwards, the six backward-moving compression plates 10 gradually abut against the open end of the plastic pipe 22, and the open end of the plastic pipe 22 is expanded to be limited and fixed;

thirdly, the servo motor 15 is started, and the screw 16 is driven by the output shaft of the servo motor 15 to rotate by taking a plurality of bearings 29 as base points;

fourthly, since the screw 16 is engaged with the gear 17, the gear 17 is rotated with the gear carrier 13 as a base point;

fifthly, because the two racks 18 are meshed with the gear 17, the racks 18 drive the sliding block 19 to slide upwards in the sliding groove 20 under the driving of the gear 17, and the two racks 18 enable the supporting plate 21 to move upwards synchronously in the upward movement process and abut against the lower end of the plastic pipe 22 so as to provide a supporting effect for the supporting plate;

sixthly, when the plastic pipe 22 needs to be horizontally conveyed in the pipe conveying channel 5, the output shafts of the six hydraulic oil cylinders 7 can be controlled to shrink by the hydraulic controller 11 in the first step, so that the six press plates 10 move oppositely to loosen the open end of the plastic pipe 22;

seventh, the first-stage expansion piece 24 and the second-stage expansion piece 25 are opened, so that the suction cups 26 on the first-stage expansion piece and the second-stage expansion piece move downwards and are adsorbed on the upper end of the plastic pipe 22;

eighth, the electromagnetic controller 28 is controlled so that the primary controller 24 and the secondary expansion device 25 move horizontally in the guide groove 23 in synchronism with the plastic pipe 22;

ninthly, after the secondary expansion piece 25 moves to a certain distance from the infrared stopper 27 in the guide groove 23, the electromagnetic controller 28 controls the primary expansion piece 24 and the secondary expansion piece 25 to stop immediately, and the two suction cups 26 are separated from the plastic tube 22 by controlling the primary controller 24 and the secondary expansion piece 25 to contract;

tenth, the first stage retractor 24 and the second stage retractor 25 are moved to the initial positions by the electromagnetic controller 28, so as to perform the suction traction on the plastic pipe 22 which continues to move horizontally.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A jointless composite anti-corrosion pipeline joint-coating fastening device, which comprises a base (1) and a top beam (2), it is characterized in that one end of the base (1) is connected with a bracket (3) through a bolt, and the support (3) is connected with a bearing support (4) by a bolt, one side of the bearing support (4) is welded with a pipe conveying channel (5), six mounting seats (6) are circumferentially and equidistantly connected with the bearing support (4) through bolts, hydraulic oil cylinders (7) and telescopic supporting rods (8) are fixedly arranged on the six mounting seats (6), push plates (9) are fixedly connected between the hydraulic oil cylinders (7) and the telescopic supporting rods (8) which are in one-to-one correspondence, one end of the telescopic supporting rod (8) far away from the push plate (9) is fixedly connected with a pressing plate (10), a hydraulic controller (11) connected with the hydraulic oil cylinder (7) is fixedly arranged on the bearing support (4);

the pipe conveying device is characterized in that a plurality of gear racks (13) and guide plates (14) are respectively and vertically welded on the base (1), gears (17) are rotatably arranged on the gear racks (13), one ends, far away from the guide plates (14), of the base (1) are connected with servo motors (15) through bolts, screw rods (16) which are meshed with the gears (17) and are rotatably connected are rotatably sleeved in the guide plates (14), two racks (18) which are meshed with the gears (17) are movably mounted on the guide plates (14), a supporting plate (21) is horizontally connected between the upper ends of the two racks (18), and plastic pipes (22) located at the upper ends of the supporting plates (21) are movably arranged in the pipe conveying channel (5);

set up guide way (23) in back timber (2), and be equipped with one-level expansion bend (24) and second grade expansion bend (25) in guide way (23) respectively, one-level expansion bend (24) and the equal fixedly connected with sucking disc (26) of second grade expansion bend (25) lower extreme, fixed infrared stopper (27) that are equipped with in guide way (23) one end, and be provided with on back timber (2) with one-level expansion bend (24) and second grade expansion bend (25) electric connection's solenoid controller (28).

2. The device for fastening the repaired mouth of the weldless composite anti-corrosion pipeline as claimed in claim 1, wherein the top beam (2) and the base (1) are horizontally arranged corresponding to each other up and down, and the plastic pipe (22) horizontally positioned in the pipeline channel (5) is positioned between the top beam (2) and the base (1).

3. The seamless composite anticorrosive pipeline repaired mouth fastening device according to claim 2, characterized in that the bearing support (4) and the pipeline conveying channel (5) are both circular structures.

4. The joint coating fastening device for the weldless composite anticorrosive pipeline according to claim 3, characterized in that the output shafts of the six hydraulic cylinders (7) movably extend to the outer side of the bearing support (4), the push plate (9) is connected to the output end of the hydraulic cylinder (7) and one end of the telescopic support rod (8), and the six press plates (10) movably extend to the inner side of the pipeline conveying channel (5).

5. The seamless composite anticorrosive pipeline joint coating fastening device according to claim 4, wherein hydraulic pipes (12) are connected between the hydraulic controller (11) and the six hydraulic cylinders (7).

6. The seamless composite anticorrosive pipeline repaired mouth fastening device according to claim 1, characterized in that the gear rack (13) and the guide plates (14) are distributed at intervals, bearings (29) are arranged in the middle parts of the guide plates (14), and a screw (16) horizontally positioned at the lower end of the gear (17) penetrates through and is sleeved in the bearings (29).

7. The seamless composite anticorrosive pipeline repaired mouth fastening device according to claim 1, characterized in that two sliding grooves (20) are vertically arranged in one side of the guide plate (14) facing the gear (17), and sliding blocks (19) which are respectively slidably sleeved in the two sliding grooves (20) are welded on the two racks (18).

8. The device for fastening the repaired mouth of the weldless composite anti-corrosion pipeline as claimed in claim 1, wherein the primary expansion piece (24) and the secondary expansion piece (25) are equidistantly located at the upper end of the plastic pipe (22), and the two suckers (26) are detachably connected with the plastic pipe (22) in an adsorption manner.