CN111375968A

CN111375968A - Alignment welding device for petroleum pipeline and elbow

Info

Publication number: CN111375968A
Application number: CN201811608804.4A
Authority: CN
Inventors: 童卓超
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-07-07

Abstract

The invention discloses an aligning and welding device for petroleum pipelines and elbows, which belongs to the technical field of welding and comprises a bottom plate, wherein universal wheels are connected and arranged at the bottom of the bottom plate, two groups of symmetrical turntables are arranged at the top of the bottom plate, sliding grooves are respectively arranged on the left side wall and the right side wall of each turntable, belt grooves are arranged on the outer sides of the circumferences of the turntables, a plurality of groups of clamping hydraulic cylinders distributed in an array form are fixedly connected on the side wall of an inner cavity of each turntable, clamping plates are connected and arranged at the telescopic ends of the clamping hydraulic cylinders, two groups of symmetrical limiting rods are fixedly connected at the top of the bottom plate, the two groups of limiting rods are positioned on the outer sides of the circumferences of the turntables, a limiting device is fixedly connected on the side, close to each other, of the two groups of limiting rods, a, namely, the invention provides the alignment welding device for the petroleum pipeline and the elbow, which is convenient to rotate.

Description

Alignment welding device for petroleum pipeline and elbow

Technical Field

The invention relates to the technical field of welding, in particular to an aligning and welding device for a petroleum pipeline and an elbow.

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.

Petroleum pipeline system, namely the pipeline system used for transporting petroleum and petroleum products, mainly made up of oil pipeline, oil transportation station and other auxiliary relevant apparatus, it is one of the main apparatuses in the petroleum warehousing and transportation trade, it is the leading conveying equipment of crude oil and petroleum products, compared with railway and highway oil transportation that belong to land transportation mode, the oil transportation of pipeline has the transport volume to be great, the seal is good, with low costs and high characteristics of safety factor, the tubular product of the oil pipeline is the steel pipe generally, need the pipeline to turn to in most cases, need to weld the elbow on one end of the pipeline, the apparatus of the welding elbow is too crude at present, fix pipeline and elbow directly, it is inconvenient to weld.

For example, the chinese patent application No. CN201720439327.8 discloses a welding device capable of aligning a petroleum pipeline with an elbow quickly, which comprises an operation table and a support leg, wherein the top of the operation table is provided with a groove, a guide block and a driving mechanism, a support rod is arranged in the groove, a connecting rod is arranged on the support rod, the connecting rod is provided with a cavity, the support rod is located in the cavity of the connecting rod, the connecting rod is further provided with a rotating shaft and an adjusting rod, the top of the rotating shaft is provided with a baffle plate, the baffle plate is provided with an optical filter, the guide block is provided with a through hole, the side wall of the guide block is provided with a first movable rod, the first movable rod is provided with a clamping block, and the output shaft of the driving mechanism is provided with a base, although the invention can be operated by two hands, the welding efficiency is prevented from, and the device is fastened, but the device is inconvenient to move and fix at any time and has poor flexibility; the device needs the handheld welder of operating personnel to carry out the circumference when the welding and rotates around the pipeline, has increased the manual operation volume, and the bottom of welding seam is not convenient for weld, and the welding effect is poor, and welding efficiency is low.

Based on the above, the invention designs an aligning and welding device for a petroleum pipeline and an elbow, so as to solve the above problems.

Disclosure of Invention

The invention aims to provide an aligning and welding device for a petroleum pipeline and an elbow, which aims to solve the problems that the device can be operated by two hands, the welding efficiency is prevented from being influenced by the operation of one hand, and the alignment and the fastening of grooves of the petroleum pipeline and the elbow can be ensured, but the device is inconvenient to move and fix at any time and has poor flexibility; the device needs the handheld welder of operating personnel to carry out the circumference when the welding and rotates around the pipeline, has increased the manual operation volume, and the bottom of welding seam is not convenient for weld, and the welding effect is poor, problem that welding efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: a device for aligning and welding a petroleum pipeline and an elbow comprises a base plate, wherein universal wheels are connected and arranged at the bottom of the base plate, two groups of symmetrical turntables are arranged at the top of the base plate, sliding grooves are formed in the left side wall and the right side wall of each turntable, belt grooves are formed in the outer side of the circumference of each turntable, a plurality of groups of clamping hydraulic cylinders distributed in an array manner are fixedly connected to the side wall of an inner cavity of each turntable, clamping plates are connected and arranged at the telescopic ends of the clamping hydraulic cylinders, two groups of symmetrical limiting rods are fixedly connected to the top of the base plate, two groups of limiting rods are positioned on the outer side of the circumference of each turntable, a limiter is fixedly connected to one side, close to each other, of the two groups of limiting rods, a rotating shaft is arranged at the top of the base plate and is positioned above the turntables, two, the circumference outside rigid coupling of pivot has the action wheel of two sets of symmetries, and is two sets of the action wheel is located the top of two sets of carousels respectively, be connected through the belt between action wheel and the carousel, the belt is located the belt inslot.

Preferably, the bottom of the bottom plate is connected with two groups of bilaterally symmetrical supporting hydraulic cylinders, and cushion pads are fixedly connected to the bottoms of the supporting hydraulic cylinders, so that the device can be conveniently moved and fixed.

Preferably, the clamping hydraulic cylinders are provided with three groups, so that pipes of any size can be clamped conveniently.

Preferably, the stopper includes the connecting plate, the right side wall rigid coupling of connecting plate has the loading board of two sets of symmetries, and is two sets of one side that is close to each other of loading board all rotates through the roller lever and is connected with the gyro wheel, is convenient for support the carousel, and can keep the rotation of carousel.

Preferably, the left side rigid coupling of pivot has changeed the handle, the circumference outside of changeing the handle is provided with the slipmat, is convenient for rotate the pivot through changeing the handle, drives the carousel rotatory.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the universal wheels and the supporting hydraulic cylinder are arranged at the bottom of the bottom plate, and the bottom plate is supported by the supporting hydraulic cylinder, so that the universal wheels are separated from the ground, the movement and the fixation of the device can be conveniently controlled at any time, and the flexibility of the device is improved; the rotating handle is rotated manually to drive the rotating shaft to rotate during welding, the rotating shaft drives the rotating disc to rotate through the driving wheel, the pipeline and the elbow can be conveniently and simultaneously rotated during welding, manual operation amount is reduced, operation by workers is facilitated, welding efficiency is improved, and welding effect is enhanced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a left side view of the turntable of the present invention;

FIG. 3 is a schematic view of the stopper of the present invention;

fig. 4 is a left side view of the drum of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 2-universal wheel, 3-rotary table, 4-sliding chute, 5-belt groove, 6-clamping hydraulic cylinder, 7-clamping plate, 8-limiting rod, 9-limiter, 91-connecting plate, 92-bearing plate, 93-roller rod, 94-roller, 10-rotating shaft, 11-rotating drum, 12-supporting rod, 13-driving wheel, 14-belt, 15-supporting hydraulic cylinder, 16-buffer pad, 17-rotating handle and 18-non-slip mat.

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. 1-4, the present invention provides a technical solution: a welding device for aligning a petroleum pipeline and an elbow comprises a base plate 1, universal wheels 2 are connected and arranged at the bottom of the base plate 1, two groups of symmetrical turntables 3 are arranged at the top of the base plate 1, sliding grooves 4 are respectively arranged on the left side wall and the right side wall of each turntable 3, a belt groove 5 is arranged on the outer side of the circumference of each turntable 3, a plurality of groups of clamping hydraulic cylinders 6 distributed in an array form are fixedly connected to the side wall of an inner cavity of each turntable 3, a clamping plate 7 is connected to the telescopic end of each clamping hydraulic cylinder 6, two groups of symmetrical limiting rods 8 are fixedly connected to the top of the base plate 1, two groups of symmetrical limiting rods 8 are arranged on the outer side of the circumference of each turntable 3, a limiter 9 is fixedly connected to the side, close to each other, a rotating shaft 10 is arranged at the top of the base plate 1, the rotating shaft 10 is arranged above the turntables 3, two groups of symmetrical driving wheels 13 are fixedly connected to the outer side of the circumference of the rotating shaft 10, the two groups of driving wheels 13 are respectively positioned above the two groups of rotating discs 3, the driving wheels 13 are connected with the rotating discs 3 through belts 14, and the belts 14 are positioned in the belt grooves 5.

The bottom of the bottom plate 1 is connected with two groups of bilaterally symmetrical supporting hydraulic cylinders 15, and the bottom of each supporting hydraulic cylinder 15 is fixedly connected with a cushion pad 16, so that the device can be conveniently moved and fixed.

The clamping hydraulic cylinders 6 are provided with three groups, so that pipes of any size can be clamped conveniently.

The limiter 9 includes a connecting plate 91, two sets of symmetrical bearing plates 92 are fixedly connected to the right side wall of the connecting plate 91, and one side of the two sets of bearing plates 92 close to each other is rotatably connected with a roller 94 through a roller rod 93, so that the turntable 3 can be supported conveniently, and the rotation of the turntable 3 can be maintained.

The left side of the rotating shaft 10 is fixedly connected with a rotating handle 17, and the outer side of the circumference of the rotating handle 17 is provided with an anti-slip pad 18, so that the rotating shaft 10 can be rotated by the rotating handle 17 to drive the rotating disc 3 to rotate.

One specific application of this embodiment is: the invention is suitable for a welding auxiliary device when welding a petroleum pipeline, in particular to a welding device for aligning the petroleum pipeline and an elbow, which controls a supporting hydraulic cylinder 15 to contract through an external hydraulic control device, so that a universal wheel 2 is abutted against the ground, the device is moved to a specified position through the universal wheel 2, the supporting hydraulic cylinder 15 is started, the telescopic end of the supporting hydraulic cylinder is extended, a bottom plate 1 is supported, the universal wheel 2 is separated from the ground, the device is convenient to fix, the petroleum pipeline and the elbow are respectively inserted into the inner cavities of two groups of bilaterally symmetrical turntables 3, the gap distance between the petroleum pipeline and the elbow is adjusted, a clamping hydraulic cylinder 6 is controlled, three groups of clamping hydraulic cylinders 6 in the inner cavity of the turntables 3 respectively clamp the petroleum pipeline and the elbow through a clamping plate 7, the petroleum pipeline and the elbow are welded, the turntables 17 are held and rotated when being welded, the turntables, the pivot 10 drives action wheel 13 rotatory, and action wheel 13 drives carousel 3 through belt 14 and rotates, and carousel 3 drives the petroleum pipeline and the elbow is rotatory simultaneously, welds the weld joint, has reduced operating personnel's the amount of labour, improves welding efficiency.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A be used for petroleum pipeline and elbow alignment welding set, includes bottom plate (1), its characterized in that: the bottom of the bottom plate (1) is provided with universal wheels (2) in a connecting manner, the top of the bottom plate (1) is provided with two groups of symmetrical turntables (3), the left side wall and the right side wall of each turntable (3) are provided with sliding grooves (4), the outer side of the circumference of each turntable (3) is provided with a belt groove (5), the inner cavity side wall of each turntable (3) is fixedly connected with a plurality of groups of clamping hydraulic cylinders (6) distributed in an array manner, the telescopic ends of the clamping hydraulic cylinders (6) are connected with clamping plates (7), the top of the bottom plate (1) is fixedly connected with two groups of symmetrical limiting rods (8), the two groups of limiting rods (8) are positioned at the outer side of the circumference of each turntable (3), one sides of the two groups of limiting rods (8) close to each other are fixedly connected with a limiter (9), the top of the bottom plate (1), the circumference outside of pivot (10) is connected with rotary drum (11) of two sets of symmetries through the bearing rotation, the circumference lateral wall of rotary drum (11) passes through branch (12) and the top looks rigid coupling of bottom plate (1), the circumference outside rigid coupling of pivot (10) has action wheel (13) of two sets of symmetries, and is two sets of action wheel (13) are located the top of two sets of carousel (3) respectively, be connected through belt (14) between action wheel (13) and carousel (3), belt (14) are located race (5).

2. The aligning welding device for petroleum pipelines and elbows of claim 1, wherein: the bottom of the bottom plate (1) is connected with two groups of bilaterally symmetrical supporting hydraulic cylinders (15), and cushion pads (16) are fixedly connected to the bottoms of the supporting hydraulic cylinders (15).

3. The aligning welding device for petroleum pipelines and elbows of claim 1, wherein: the clamping hydraulic cylinders (6) are provided with three groups.

4. The aligning welding device for petroleum pipelines and elbows of claim 1, wherein: stopper (9) are including connecting plate (91), the right side wall rigid coupling of connecting plate (91) has two sets of symmetrical loading boards (92), and is two sets of one side that is close to each other of loading board (92) all rotates through roller lever (93) and is connected with gyro wheel (94).

5. The aligning welding device for petroleum pipelines and elbows of claim 1, wherein: the left side of the rotating shaft (10) is fixedly connected with a rotating handle (17), and the outer side of the circumference of the rotating handle (17) is provided with an anti-skid pad (18).