CN210967702U

CN210967702U - Butt joint auxiliary device for pipeline welding

Info

Publication number: CN210967702U
Application number: CN201922151250.6U
Authority: CN
Inventors: 贾建伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-10
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a pipeline welding technical field just discloses a pipeline welding is with butt joint auxiliary device, the on-line screen storage device comprises a base, fixed surface is connected with the cylinder on the base, cylinder top fixedly connected with chassis, cylinder top sliding connection have a cylinder ejector pin, and chassis and first fixed block bottom fixed connection are passed at cylinder ejector pin top, the first lug of four groups of fixedly connected with respectively in the first fixed block outside. This pipeline welding is with butt joint auxiliary device, through the cylinder to the fixed of first fixed block, and the cooperation of first lug and first swing arm, make the cylinder can promote the one end of first swing arm and make longitudinal motion, through the fixed bucket to the fixed of second fixed block, and the cooperation of second lug and second swing arm, make the cylinder can promote four groups of supporting shoes and make the motion of outside expansion or inside shrink in first spout, and then make this auxiliary device can carry out automatic butt joint to required welding pipeline, and labour saving and time saving.

Description

Butt joint auxiliary device for pipeline welding

Technical Field

The utility model relates to a pipeline welding technical field specifically is a pipeline welding is with butt joint auxiliary device.

Background

The construction of various pipelines for conveying gas and liquid is increasing, and many of the pipelines are large-caliber pipelines with the caliber of more than 500 mm. The technical safety that heavy-calibre pipeline required in the work progress is higher, especially when the pipeline welding is to the mouth, and the deviation precision that allows is high, and when the pipeline butt joint, the mouth joint size, the whole circle of pipe end, the pipeline alignment, the stagger is leveled, all need rectify. Because the pipe diameter is great, the butt joint is rectified more difficultly, so constructor can be adjusted well the pipeline by force sometimes in the actual construction, for example use the heavy object to strike the mouth of pipe and realize rectifying, can lead to pipeline welding position quality problems to appear like this, influence the construction progress, extravagant manpower, material resources, still can cause potential safety hazard and economic loss for the pipeline of transporting even.

Chinese patent publication is CN204282305U discloses a butt joint auxiliary device for pipeline welding, including last semicircle component, semicircle component down, last semicircle component and semicircle component down all are provided with two at least adjusting bolt fixed plates, have the space between each adjusting bolt fixed plate, each adjusting bolt fixed plate middle part is provided with at least one adjusting bolt, go up semicircle component both ends and can dismantle with semicircle component both ends down respectively and be connected, but this butt joint auxiliary device for pipeline welding is too dependent on manual operation, is unfavorable for using widely.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pipeline welding is with butt joint auxiliary device has solved pipeline welding and has relied on manual operation's problem too with butt joint auxiliary device.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a butt joint auxiliary device for pipeline welding comprises a base, wherein an air cylinder is fixedly connected to the upper surface of the base, a chassis is fixedly connected to the top of the air cylinder, an air cylinder ejector rod is slidably connected to the top of the air cylinder ejector rod, the top of the air cylinder ejector rod penetrates through the chassis to be fixedly connected with the bottom of a first fixing block, four groups of first lifting lugs are fixedly connected to the outer side of the first fixing block respectively, a first pin shaft is rotatably connected to the first lifting lug on the left side of the first fixing block, the first pin shaft is rotatably connected with one end of a first swing arm, the other end of the first swing arm is rotatably connected with the top of one side of a supporting block, the bottom of one side of the supporting block is rotatably connected with one end of a second swing arm, the other end of the second swing arm is rotatably connected with a fourth pin shaft, the fourth pin, the top of the second fixing block is fixedly connected with the bottom of the fixing column, the upper surface of the base plate is fixedly connected with the bottom of the fixing barrel, and the inner wall of the top of the fixing barrel is fixedly connected with the fixing column.

Preferably, four corners of the lower surface of the base are fixedly connected with universal wheels, and the outer sides of the four groups of supporting blocks are provided with rubber gaskets.

Preferably, through holes are formed in the upper end and the lower end of one side of the supporting block, a second pin shaft is rotatably connected to the through hole in the top of the supporting block, the second pin shaft is rotatably connected to the other end of the first swing arm, a second pin shaft is rotatably connected to the through hole in the bottom of the supporting block, and the second pin shaft is rotatably connected to one side of the second swing arm.

Preferably, first swing arm middle part all is provided with the second swing arm middle part and dodges the groove, and two sets of groove size looks adaptations of dodging pass through the third round pin hub rotation with the second swing arm middle part in the middle part of the first swing arm and are connected.

Preferably, a first sliding groove is formed in the outer side of the base plate, a second sliding groove is formed in the outer side of the fixed barrel, and the first sliding groove and the second sliding groove are matched with the size of the supporting block.

Preferably, the top of the fixed barrel is fixedly connected with a handle, and the handle is made of stainless steel.

(III) advantageous effects

The utility model provides a pipeline welding is with butt joint auxiliary device possesses following beneficial effect:

1. this pipeline welding is with butt joint auxiliary device, through the cylinder to the fixed of first fixed block, and the cooperation of first lug and first swing arm, make the cylinder can promote the one end of first swing arm and make longitudinal motion, through the fixed bucket to the fixed of second fixed block, and the cooperation of second lug and second swing arm, make the cylinder can promote four groups of supporting shoes and make the motion of outside expansion or inside shrink in first spout, and then make this auxiliary device can carry out automatic butt joint to required welding pipeline, and labour saving and time saving.

2. This pipeline welding is with butt joint auxiliary device is provided with the universal wheel through this auxiliary device bottom, and then makes this auxiliary device be convenient for remove, is provided with the rubber pad through the supporting shoe, makes rubber pad and pipeline inner wall contact, and then has reached the effect of protection pipeline inner wall that supports, all is provided with through first swing arm and second swing arm and dodges the groove to and the cooperation of first swing arm, second swing arm and third round pin axle, make first swing arm and second swing arm more stable to the support of supporting shoe.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the fixing barrel of the present invention;

fig. 3 is a schematic view of the sectional structure of the fixing barrel of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. a cylinder; 4. a cylinder ejector rod; 5. a chassis; 6. a first chute; 7. a first fixed block; 701. a first lifting lug; 8. a first pin shaft; 9. a first swing arm; 10. a second pin shaft; 11. a support block; 12. a second swing arm; 13. a second fixed block; 1301. a second lifting lug; 14. fixing a column; 15. fixing the barrel; 16 and a second runner; 17. a handle; 18. a third pin shaft; 19. and a fourth pin shaft.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a butt joint auxiliary device for pipeline welding comprises a base 1, wherein an air cylinder 3 is fixedly connected to the upper surface of the base 1, a chassis 5 is fixedly connected to the top of the air cylinder 3, an air cylinder ejector rod 4 is slidably connected to the top of the air cylinder ejector rod 4, the top of the air cylinder ejector rod 4 penetrates through the chassis 5 to be fixedly connected with the bottom of a first fixing block 7, the air cylinder 3 enables the first fixing block 7 to move longitudinally, four groups of first lifting lugs 701 are fixedly connected to the outer side of the first fixing block 7 respectively, a first pin shaft 8 is rotatably connected to the first lifting lug 701 on the left side of the first fixing block 7, the first pin shaft 8 is rotatably connected with one end of a first swing arm 9, the other end of the first swing arm 9 is rotatably connected with the top on one side of a supporting block 11, the bottom on one side of the supporting block 11 is rotatably connected with one end of a second swing, the four groups of second lifting lugs 1301 are fixedly connected to the outer side of the second fixing block 13, the top of the second fixing block 13 is fixedly connected with the bottom of the fixing column 14, the upper surface of the base plate 5 is fixedly connected with the bottom of the fixing barrel 15, the inner wall of the top of the fixing barrel 15 is fixedly connected with the fixing column 14, and the air cylinder 3 can control the supporting block 11 to move.

Specifically, in order to make this auxiliary device be convenient for remove, the equal fixedly connected with universal wheel 2 in base 1 lower surface four corners, in order to protect the inner wall of the pipeline that supports, the outside of four groups of supporting shoes 11 all is provided with the rubber gasket.

Specifically, in order to enable the first swing arm 9 and the second swing arm 12 to support the supporting block 11 more stably, through holes are formed in the upper end and the lower end of one side of the supporting block 11, a second pin shaft 10 is rotatably connected to the through hole in the top of the supporting block 11, the second pin shaft 10 is rotatably connected to the other end of the first swing arm 9, a second pin shaft 10 is rotatably connected to the through hole in the bottom of the supporting block 11, and the second pin shaft 10 is rotatably connected to one side of the second swing arm 12.

Specifically, in order to enable the first swing arm 9 and the second swing arm 12 to rotate without interfering with each other, the middle of the first swing arm 9 and the middle of the second swing arm 12 are provided with avoidance grooves, the avoidance grooves are matched in size in two sets, and the middle of the first swing arm 9 and the middle of the second swing arm 12 are rotatably connected through a third pin 18.

Specifically, in order to prevent the supporting block 11 from being blocked during movement, a first sliding groove 6 is arranged on the outer side of the chassis 5, a second sliding groove 16 is arranged on the outer side of the fixed barrel 15, and the first sliding groove 6 and the second sliding groove 16 are matched with the supporting block 11 in size.

Specifically, in order to facilitate the movement of the auxiliary device, a handle 17 is fixedly connected to the top of the fixed barrel 15, and the handle 17 is made of stainless steel.

When the auxiliary device is used, the auxiliary device is moved to the middle of a pipeline to be welded, the auxiliary device is laid down, one end of a supporting block 11 is located in the pipeline on one side, the other end of the supporting block 11 is located in the pipeline on the other side, an air cylinder 3 is started, an air cylinder ejector rod 4 moves longitudinally, a first fixing block 7 drives a first swing arm 9 to move longitudinally, a second swing arm 12 limits the supporting block 11, then four groups of supporting blocks 11 expand outwards and align the centers of two groups of pipelines, after the two groups of pipelines are welded, the air cylinder ejector rod 4 is retracted, and the supporting block 11 retracts inwards.

To sum up, the butt joint auxiliary device for pipeline welding is characterized in that the cylinder 3 is used for fixing the first fixing block 7 and the first lifting lug 701 is matched with the first swing arm 9, so that the cylinder 3 can push one end of the first swing arm 9 to move longitudinally, the fixing barrel 15 is used for fixing the second fixing block 13, and the second lifting lug 1301 is matched with the second swing arm 12, so that the cylinder 3 can push four groups of supporting blocks 11 to expand outwards or contract inwards in the first chute 6, the auxiliary device can automatically butt joint a pipeline to be welded, time and labor are saved, the universal wheels 2 are arranged at the bottom of the auxiliary device, the auxiliary device is convenient to move, the supporting blocks 11 are provided with rubber pads which are in contact with the inner wall of the pipeline, the effect of protecting the inner wall of the supported pipeline is achieved, and the avoidance grooves are formed in the first swing arm 9 and the second swing arm 12, and the first swing arm 9, the second swing arm 12 and the third pin 18 are matched, so that the first swing arm 9 and the second swing arm 12 can support the supporting block 11 more stably.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 pipeline welding is with butt joint auxiliary device, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with an air cylinder (3), the top of the air cylinder (3) is fixedly connected with a chassis (5), the top of the air cylinder (3) is connected with an air cylinder ejector rod (4) in a sliding manner, the top of the air cylinder ejector rod (4) penetrates through the chassis (5) and is fixedly connected with the bottom of a first fixed block (7), the outer side of the first fixed block (7) is respectively and fixedly connected with four groups of first lifting lugs (701), the first lifting lug (701) positioned on the left side of the first fixed block (7) is rotatably connected with a first pin shaft (8), the first pin shaft (8) is rotatably connected with one end of a first swing arm (9), the other end of the first swing arm (9) is rotatably connected with the top of one side of a supporting block (11), the bottom of one side of the supporting block (11) is rotatably connected with one end of a second swing arm (12), the fourth pin shaft (19) is rotatably connected with the second lifting lugs (1301), the four groups of second lifting lugs (1301) are fixedly connected to the outer side of the second fixing block (13), the top of the second fixing block (13) is fixedly connected with the bottom of the fixing column (14), the upper surface of the chassis (5) is fixedly connected with the bottom of the fixing barrel (15), and the inner wall of the top of the fixing barrel (15) is fixedly connected with the fixing column (14).

2. The butt joint assisting device for pipe welding according to claim 1, wherein: the four corners of the lower surface of the base (1) are fixedly connected with universal wheels (2), and the outer sides of the four groups of supporting blocks (11) are provided with rubber gaskets.

3. The butt joint assisting device for pipe welding according to claim 1, wherein: the upper end and the lower end of one side of the supporting block (11) are provided with through holes, a second pin shaft (10) is rotatably connected to the through hole in the top of the supporting block (11), the second pin shaft (10) is rotatably connected to the other end of the first swing arm (9), a second pin shaft (10) is rotatably connected to the through hole in the bottom of the supporting block (11), and the second pin shaft (10) is rotatably connected to one side of the second swing arm (12).

4. The butt joint assisting device for pipe welding according to claim 1, wherein: first swing arm (9) middle part all is provided with the groove of dodging with second swing arm (12) middle part, and two sets of groove size looks adaptations of dodging, first swing arm (9) middle part is connected through third round pin axle (18) rotation with second swing arm (12) middle part.

5. The butt joint assisting device for pipe welding according to claim 1, wherein: a first sliding groove (6) is formed in the outer side of the chassis (5), a second sliding groove (16) is formed in the outer side of the fixed barrel (15), and the first sliding groove (6) and the second sliding groove (16) are matched with the supporting block (11) in size.

6. The butt joint assisting device for pipe welding according to claim 1, wherein: the top of the fixed barrel (15) is fixedly connected with a handle (17), and the handle (17) is made of stainless steel.