CN218193065U

CN218193065U - Quick-connection composite pipeline joint girth welding device

Info

Publication number: CN218193065U
Application number: CN202221987728.4U
Authority: CN
Inventors: 杜中德; 王光涛; 吕春玉; 周玉杰; 贺新震
Original assignee: Dongying East Machinery Manufacture Co ltd
Current assignee: Dongying East Machinery Manufacture Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-03
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to a compound pipeline of fast antithetical couplet connects circumferential weld welding set, its technical scheme is: the steel pipe rotation assisting device and the welding device are installed at the top of the bottom plate, the stand columns are fixedly installed on the two sides of the rear end, the first vertical sliding sleeves are installed on the stand columns in a sliding mode, the first bolts are screwed through the installation hands with the inner threaded holes on the two side walls of the first vertical sliding sleeves, the first installation plates are fixedly connected with the front surfaces of the two vertical sliding sleeves, the first rotation shafts are installed through the holes in the side walls of the two installation plates, the two welding devices are installed on the two front sides of the top end of the bottom plate, the third sliding rails are fixedly installed at the top of the bottom plate, the second sliding blocks with the grooves formed in the bottom are installed at the tops of the three sliding rails, and the fourth bolts are screwed through the installation hands with the inner threaded holes on the front surfaces of the second sliding blocks. The beneficial effects are that: fix the steel pipe and drive it rotatory through the live-rollers, can avoid because of the joint welding insecure, drive the risk that rotatory in-process steel pipe dropped at the girth welder, have had the support of mesa, single alright completion steel pipe erect for the girth welding work is more high-efficient.

Description

Quick-connection composite pipeline joint girth welding device

Technical Field

The utility model relates to a compound pipeline connects welding technique, concretely relates to compound pipeline of fast antithetical couplet connects girth welding set.

Background

In a ground movable water injection pipeline in the petroleum industry, the conventional steel pipeline is not corrosion-resistant and has short service life, so that a composite pipeline capable of being quickly connected is prepared, specifically, a lining pipe is sleeved on the inner wall of a steel pipe to form the composite pipeline, and then, joints are welded at two ends of the composite pipeline, so that the composite pipeline is conveniently and quickly connected. However, in the welding work of the quick-connection composite pipeline joint, firstly, a steel pipe which is bottomed by manual argon arc welding is connected with a male joint at one end and a female joint at the other end, then the steel pipe is erected between two circular seam welding machines, and the circular seam welding machines drive the steel pipe to rotate so as to fully weld the welding seam at the bottomed position.

However, this kind of mode that utilizes the girth welding machine to weld has obvious defect, general steel pipe is all longer, this just leads to when setting up the steel pipe between two girth welding machines, the operation is inconvenient alone, and because two girth welding machine intervals are great, it wastes time and energy to set up, if when artifical argon arc welding bottoming, lead to welding between joint and the steel pipe to be firm inadequately, when the girth welding machine drives the steel pipe rotation, it drops from the steel pipe probably to appear connecting, and then the condition that leads to the steel pipe to drop appears, along with very obvious potential safety hazard, therefore need a device that not only labour saving and time saving but also can avoid the potential safety hazard to assist the work of connecting compound pipeline joint soon.

Therefore, it is necessary to design a quick-connect compound pipeline joint girth welding device.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a compound pipeline of fast antithetical couplet connects girth welding set has the mesa of live-rollers through setting up a top, under two live-rollers drive effects, fixes the steel pipe to it is rotatory to drive the steel pipe through the rotation of live-rollers self, with the work of accomplishing the girth welding, with the solution use the girth welding machine time alone the operation inconvenient, waste time and energy, and the problem that has the potential safety hazard is followed.

In order to achieve the above object, the present invention provides the following technical solutions: a quick-coupling composite pipeline joint girth welding device comprises a bottom plate, wherein a steel pipe rotation auxiliary device and a welding device are installed at the top of the bottom plate, stand columns are fixedly installed on two sides of the rear end of the top of the bottom plate, vertical sliding sleeves I are installed on the stand columns in a sliding mode, internal thread holes are formed in the side walls of the two vertical sliding sleeves I, hand-screwed bolts I are installed in the vertical sliding sleeves I, the front surfaces of the two vertical sliding sleeves I are fixedly connected with mounting plates, and first rotating shafts are installed in the side walls of the two mounting plates through holes;

the steel pipe rotation auxiliary device comprises a first rotating roller, a motor and a second rotating roller, the first rotating roller is sleeved on a first rotating shaft, pulleys are arranged on the right side of the first rotating shaft, the other two pulleys are respectively arranged at the front ends of the motor and a first sliding block, the three pulleys are connected through a belt, and the motor is arranged at the top of the bottom plate;

the two welding devices are installed on two sides of the front portion of the top end of the bottom plate, a third sliding rail is fixedly installed on the top of the bottom plate, a second sliding block with a groove in the bottom is installed on the top of the third sliding rail, and a fourth hand-screwed bolt is installed on the front surface of the second sliding block through an internal threaded hole.

Preferably, the second rotating roller is sleeved on a second rotating shaft, the second rotating shaft is rotatably installed on the fixing seat, two sliding rails II are installed on the bottom of the fixing seat through grooves, and internal thread holes are formed in two sides of the fixing seat and are provided with hand-screwed bolts II.

Preferably, the first sliding block is installed on the right side of the top of the bottom plate, a groove is formed in the bottom of the first sliding block for installing a first sliding rail, and an internal threaded hole is formed in the top of the first sliding block for installing a second hand-screwed bolt.

Preferably, the top of the second sliding block is provided with a vertical rod, the vertical sliding sleeve second is slidably mounted on the vertical rod, the front surface of the vertical sliding sleeve second is provided with an internal thread hole for mounting a hand-screwed bolt fifth, the two sides of the vertical sliding sleeve are provided with welding gun grab handles, and the front end of each welding gun grab handle is connected with a welding gun head.

Preferably, the bottom plate is connected with the supporting feet, and the four supporting feet are respectively positioned at four corners of the bottom plate.

The utility model has the advantages that:

1. the utility model supports the steel pipe by the arrangement platform surface, even if the joint is welded insecure, the problem that the steel pipe falls off can not occur, thereby avoiding the occurrence of safety accidents and protecting personal safety;

2. the steel pipe is placed on the second rotating rollers, and the two second rotating rollers play a role in fixing while supporting the steel pipe, so that the problems that safety accidents are caused due to the fact that the steel pipe slides down in the rotating process, and the working efficiency is influenced can be solved;

3. the height of the welding gun head and the distance between the welding gun head and the steel pipe are adjustable, and the most appropriate position can be adjusted to perform girth welding, so that the girth welding work is more efficient, and the welding is firmer.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is a schematic view of the installation of the second rotating roller of the present invention;

FIG. 5 is a schematic view of the installation of the welding gun handle of the present invention;

in the figure: the welding device comprises a base plate 100, a vertical column 110, a first vertical sliding sleeve 120, a first hand bolt 121, a support foot 130, a steel pipe rotation auxiliary device 200, a mounting plate 210, a first rotating shaft 211, a first rotating roller 212, a motor 220, a first sliding block 230, a first sliding rail 231, a second hand bolt 232, a pulley 240, a belt 250, a fixed seat 260, a second sliding rail 261, a third hand bolt 262, a second rotating shaft 263, a second rotating roller 264, a welding device 300, a third sliding rail 310, a second sliding block 320, a fourth hand bolt 321, an upright rod 330, a second vertical sliding sleeve 340, a fifth hand bolt 341, a welding gun grab handle 350 and a welding gun head 351.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, refer to fig. 1-5, the utility model provides a quick-connect composite pipeline joint girth welding set, including bottom plate 100, bottom plate 100 top installation steel pipe rotation auxiliary device 200 and welding set 300, bottom plate 100 top rear end both sides fixed mounting stand 110, slidable mounting vertical sliding sleeve one 120 on stand 110, set up internal thread hole installation hand bolt one 121 on two vertical sliding sleeve one 120 lateral walls, and two vertical sliding sleeve one 120 front surface fixed connection mounting panel 210, two mounting panel 210 lateral walls trompil installation first axis of rotation 211; the steel pipe rotation assisting device 200 comprises a first rotating roller 212, a motor 220 and a second rotating roller 264, wherein the first rotating roller 212 is sleeved on the first rotating shaft 211, a pulley 240 is arranged on the right side of the first rotating shaft 211, two pulleys 240 are respectively arranged at the front ends of the motor 220 and a first sliding block 230, the three pulleys 240 are connected through a belt 250, and the motor 220 is arranged at the top of the bottom plate 100; the second rotating roller 264 is sleeved on the second rotating shaft 263, the second rotating shaft 263 is rotatably installed on the fixed seats 260, the bottoms of the two fixed seats 260 are provided with grooves, the sliding rails 261 are installed on the grooves, and the two sides of the fixed seats 260 are provided with internal threaded holes for installing hand-screwed bolts 262; the first sliding block 230 is arranged on the right side of the top of the bottom plate 100, a groove is formed in the bottom of the first sliding block 230 to install a first sliding rail 231, and an internal threaded hole is formed in the top of the first sliding block 230 to install a second hand-screwed bolt 232; the bottom plate 100 plays a role in supporting the steel pipe rotation assisting device 200 and the welding device 300, the vertical sliding sleeve I120 slides up and down on the outer wall of the upright post 110, the distance from the first rotating roller 212 to the steel pipe can be adjusted, so that the first rotating roller 212 can drive the steel pipe to rotate, the vertical sliding sleeve I120 can be fixed on the upright post 110 by screwing the first bolt 121 with hands, the two mounting plates 210 support the first rotating shaft 211 through the Kong Qidao on the side surface, the three pulleys 240 play a role in connecting the belt 250, the belt 250 is driven to rotate through the operation of the motor 220, the pulley 240 drives the first rotating shaft 211 to rotate, the steel pipe is driven to rotate through the first rotating roller 212, the fixing seat 260 plays a role in supporting the second rotating shaft 261, the two second rotating rollers 262 play a role in supporting the steel pipe, and can assist the rotation of the steel pipe, so that the rotation of the steel pipe is smoother; the second sliding rail 261 is installed at the bottom of the fixed seat 260, the distance between the two second rotating rollers 264 can be adjusted by sliding the fixed seat 260 on the second sliding rail 261, so that the device can fix steel pipes with different diameters, and the position of the fixed seat 260 can be fixed by rotating the third hand-screwed bolt 262 in the internal threaded hole; the first sliding block 230 slides on the first sliding rail 231 and can drive the pulley 240 at the front end of the first sliding block to move, so that when the height of the first rotating roller 212 changes, the belt 250 is always in a tightening state, and the first sliding block 230 can be fixed on the first sliding rail 231 by the rotation of the second hand-screwed bolt 232 in the internal threaded hole.

The two welding devices 300 are arranged on two sides of the front part of the top end of the bottom plate 100, a third sliding rail 310 is fixedly arranged on the top of the bottom plate 100, a second sliding block 320 with a groove in the bottom is arranged on the top of the third sliding rail 310, and a fourth hand-screwed bolt 321 is arranged in an internal threaded hole in the front surface of the second sliding block 320; the bottom plate 100 plays a role in supporting the two welding devices 300, the bottom plate 100 plays a role in fixing the third sliding rail 310, and the distance between the welding devices 300 and the steel pipe can be adjusted through the sliding of the second sliding block 320 on the third sliding rail 310; the second slider 320 can be fixed at a certain position of the third slide rail 310 by turning the fourth bolt 321 in the internal threaded hole by hand.

The top of the second sliding block 320 is provided with an upright rod 330, the upright rod 330 is provided with a second vertical sliding sleeve 340 in a sliding manner, the front surface of the second vertical sliding sleeve 340 is provided with an internal threaded hole for installing a fifth hand-screwed bolt 341, the side surface of the second vertical sliding sleeve 340 is provided with a welding gun grab handle 350, and the front end of the welding gun grab handle 350 is connected with a welding gun head 351; the second sliding block 320 plays a role in fixing the vertical rod 330, the second vertical sliding sleeve 340 plays a role in fixing the welding gun grab handle 350, the height difference between the welding gun head 351 and the steel pipe can be adjusted through the sliding of the second vertical sliding sleeve 340 on the outer wall of the vertical rod 330, the most appropriate welding height can be conveniently adjusted, and the second vertical sliding sleeve 340 can be fixed on the outer wall of the vertical rod 330 through the rotation of the five hand-screwed bolts 341 in the inner threaded holes.

The bottom plate 100 is connected with the four supporting feet 130, and the four supporting feet 130 are respectively positioned at four corners of the bottom plate 100; the bottom plate 100 plays a role in installing the supporting feet 130, and the four supporting feet 130 are respectively installed at four corners of the bottom plate 100, so that the stability of the device is ensured while the whole device is supported.

The utility model discloses a use as follows: a person skilled in the art mounts the second rotating roller 264 on the second rotating shaft 263 and then mounts the second rotating shaft 263 in the holes on both sides of the fixing base 260, so that the fixing base 260 supports the second rotating shaft 263 and the second rotating shaft 263 can rotate on the fixing base 260.

The two ends of the rear side of the top of the base plate 100 are provided with the upright posts 110, the vertical sliding sleeves 120 with the mounting plates 210 arranged on the two front sides are respectively sleeved on the two upright posts 110, then the first rotating rollers 212 are sleeved on the first rotating shafts 211 firstly, then the first rotating shafts 211 are arranged in holes in the side walls of the two mounting plates 210, the first rotating shafts 211 can rotate between the two mounting plates 210, the motors 220 are arranged below the right sides of the first rotating rollers 212, the pulleys 240 are respectively arranged at the front ends of the motors 220, the right ends of the first rotating shafts 211 and the front ends of the first sliding blocks 230, and finally the belts 250 are arranged between the three pulleys 240, so that the motors 220 drive the first rotating shafts 211 to rotate through the belts 250, the steel pipes are driven to rotate through the contact of the first rotating rollers 212 and the steel pipes, the distance between the two second rotating rollers 264 is adjusted according to the diameters of the steel pipes, and the positions of the first sliding blocks 230.

Two second sliding blocks 320 with grooves formed in the bottoms are mounted on the third sliding rails 310 on two sides of the top of the base plate 100, so that the second sliding blocks 320 can slide on the third sliding rails 310, a second vertical sliding sleeve 340 with a welding gun grab handle 350 mounted on the side face is sleeved on the outer wall of the vertical rod 330, and the vertical rod 330 is mounted at the top of the second sliding blocks 320.

When preparing circular seam welding, firstly, the steel pipe is placed on the two second rotating rollers 264, then the height of the first vertical sliding sleeve 120 on the upright post 110 is adjusted, so that the first rotating roller 212 just contacts with the steel pipe and can drive the steel pipe to rotate, the first manual screwing bolt 121 on the side face of the first vertical sliding sleeve 120 is rotated to fix the first vertical sliding sleeve on the upright post 110, then the second sliding block 320 is slid to adjust the distance between the welding gun head 351 and the steel pipe, the fourth manual screwing bolt 321 is rotated to fix the fourth vertical sliding sleeve after adjustment is completed, finally, the height of the second vertical sliding sleeve 340 is adjusted, so that the welding gun head 351 is flush with the central line of the steel pipe, and the fifth manual screwing bolt 341 is rotated to be fixed on the upright rod 330.

When the girth welding is started, an external power supply is connected firstly, whether the motor 220 can normally operate is observed, whether the operation of the motor 220 can drive the second rotating shaft 211 to rotate through the belt 250 or not, then the steel pipe is driven to rotate through the contact of the second rotating roller 264 and the steel pipe, after no problem is confirmed, the welding gun power supply is turned on, the welding of the steel pipe and the joint connection part is started, and under the operation of the motor 220, the steel pipe is driven to rotate slowly, the welding seam at the bottoming position is fully welded, after the welding is completed, the welding gun power supply is turned off firstly, the injury to personnel is prevented, then the motor 220 power supply is turned off, the steel pipe is stopped to rotate, then the steel pipe is taken down, and the new steel pipe is replaced to carry out the girth welding.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a compound pipeline joint girth welding set of fast antithetical couplet, includes bottom plate (100), rotatory auxiliary device of steel pipe (200) and welding set (300) are installed to bottom plate (100) top, its characterized in that: upright columns (110) are fixedly mounted on two sides of the rear end of the top of the bottom plate (100), vertical sliding sleeves I (120) are slidably mounted on the upright columns (110), internal threaded holes are formed in the side walls of the two vertical sliding sleeves I (120) to mount hand-screwed bolts I (121), mounting plates (210) are fixedly connected to the front surfaces of the two vertical sliding sleeves I (120), and first rotating shafts (211) are mounted in holes formed in the side walls of the two mounting plates (210);

the steel pipe rotation auxiliary device (200) comprises a first rotating roller (212), a motor (220) and a second rotating roller (264), the first rotating roller (212) is sleeved on the first rotating shaft (211), pulleys (240) are mounted on the right side of the first rotating shaft (211), two pulleys (240) are mounted at the front ends of the motor (220) and a first sliding block (230) respectively, the three pulleys (240) are connected through a belt (250), and the motor (220) is mounted at the top of the bottom plate (100);

the two welding devices (300) are installed on two sides of the front portion of the top end of the bottom plate (100), a third sliding rail (310) is fixedly installed on the top of the bottom plate (100), a second sliding block (320) with a groove in the bottom is installed on the top of the third sliding rail (310), and a fourth internal threaded hole for installing a hand-screwed bolt (321) is formed in the front surface of the second sliding block (320).

2. The quick connect compound line joint girth welding device of claim 1, wherein: second live-rollers (264) suit is on second axis of rotation (263), second axis of rotation (263) rotate and install on fixing base (260), and two the recess is seted up to fixing base (260) bottom and is installed slide rail two (261), internal thread hole installation hand is seted up to fixing base (260) both sides and is twisted bolt three (262).

3. The quick connect compound line joint girth welding device of claim 1, wherein: the first sliding block (230) is installed on the right side of the top of the bottom plate (100), a first sliding rail (231) is installed in a groove formed in the bottom of the first sliding block (230), and a second hand-screwed bolt (232) is installed in an inner threaded hole formed in the top of the first sliding block (230).

4. The quick connect compound line joint girth welding device of claim 1, wherein: the welding gun is characterized in that a vertical rod (330) is installed at the top of the second sliding block (320), a second vertical sliding sleeve (340) is installed on the vertical rod (330) in a sliding mode, a fifth internal threaded hole installing hand-screwed bolt (341) is arranged on the front surface of the second vertical sliding sleeve (340), a welding gun grab handle (350) is installed on the side surface of the second vertical sliding sleeve (340), and a welding gun head (351) is connected to the front end of the welding gun grab handle (350).

5. The quick connect compound line joint girth welding device of claim 1, wherein: the bottom plate (100) is connected with the supporting feet (130), and the four supporting feet (130) are respectively positioned at four corners of the bottom plate (100).