CN220739911U

CN220739911U - Pipeline welding equipment

Info

Publication number: CN220739911U
Application number: CN202322364985.3U
Authority: CN
Inventors: 孔维龙; 马进录; 曹得山; 牛宝成; 张仕霈; 王逢; 沙玉华; 王烈瑾; 孙晓燕; 谢占鸿
Original assignee: Qinghai Salt Lake Industry Co Ltd
Current assignee: Qinghai Salt Lake Industry Co Ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-04-09
Anticipated expiration: 2033-09-01

Abstract

The utility model relates to pipeline welding equipment, which comprises a base (1), a clamping device (2) and a welding device (3), wherein the clamping device is arranged on the base, and a supporting ring (21) is fixedly arranged on the base through a supporting rod (211). The clamping cylinder (22) is rotatably sleeved in the supporting ring. The driving mechanism (24) is arranged on the supporting ring and connected with the clamping cylinder, and the clamping piece (25) is arranged in the clamping cylinder. The clamping devices are arranged in two, and the two clamping devices are oppositely arranged on the base. The welding device comprises a welding box, a welding telescopic mechanism and a welding head, wherein the welding box is fixedly arranged between the two clamping devices, and welding ports are respectively formed in the left side wall and the right side wall of the welding box. The welding telescopic mechanism is arranged in the welding cavity, the upper end of the welding telescopic mechanism is fixedly connected with the top wall of the welding cavity, and the welding head is arranged at the lower end of the welding telescopic mechanism. The utility model can rapidly weld two pipelines, and has good quality and high efficiency.

Description

Pipeline welding equipment

Technical Field

The utility model relates to pipeline welding equipment, in particular to a structure of pipeline welding equipment.

Background

In a potassium chloride production workshop of a salt lake, carnallite ore pulp sequentially passes through a screening and concentrating system, a pulp mixing system, a flotation system, a low-sodium concentration and dehalogenation system, a cold crystallization and coarse potassium screening system, a coarse potassium concentration and dehalogenation system, a refined potassium washing and dehalogenation system to obtain potassium chloride, and slurry among the systems is transmitted through pipelines, and in addition, production water and flushing water are conveyed through pipelines.

When the pipeline is used, a plurality of sections of pipelines are required to be connected, the pipelines are connected in a welding or flange connection mode, when the pipelines are welded in the prior art, the pipelines are required to be fixed at first, then the pipelines are welded manually by an electric welder, when one side surface of the pipeline is welded, the pipelines are required to be turned over after the suspension, one side surface of the welded pipeline faces downwards, the other side surface of the welded pipeline which is not welded faces upwards, the welding is continued, and finally the circumference of the joint of the two sections of pipelines is completely welded. The efficiency of manual welding is lower, wastes time and energy, is difficult to guarantee welding quality, influences normal production.

The utility model aims to solve the problems of lower manual welding efficiency and poor welding quality when the existing pipeline is welded and fixed.

Disclosure of Invention

In order to solve the above problems, the present utility model provides a pipe welding apparatus, which comprises a base 1, a clamping device 2 and a welding device 3, wherein the clamping device 2 is arranged on the base 1, and comprises a supporting ring 21, a clamping cylinder 22, a driving mechanism 24 and a clamping piece 25, and the supporting ring 21 is fixedly arranged on the base 1 through a supporting rod 211. The diameter of the clamping cylinder 22 is matched with the inner diameter of the supporting ring 21, and the clamping cylinder is rotatably sleeved in the supporting ring 21. The driving mechanism 24 is fixedly arranged on the supporting ring 21 and connected with the clamping cylinder 22 for driving the clamping cylinder 22 to rotate, and the clamping piece 25 is arranged in the clamping cylinder 22 for fixing the pipeline.

The two clamping devices 2 are arranged on the base 1 oppositely in the left-right direction, a space for accommodating the welding device 3 is formed between the two clamping devices 2, and the axes of the clamping cylinders 22 of the two clamping devices 2 are collinear. The welding device 3 comprises a welding box 31, a welding telescopic mechanism 32 and a welding head 33, wherein the welding box 31 is fixedly arranged on the base 1 and positioned between the two clamping devices 2, welding ports 311 are respectively arranged on the left and right side walls of the welding box 31 at positions corresponding to the clamping cylinders 22, and a welding cavity 312 is formed inside the welding device. The welding telescopic mechanism 32 is vertically arranged in the welding cavity 312, the upper end of the welding telescopic mechanism is fixedly connected with the top wall of the welding cavity 312, and the welding head 33 is arranged in the welding cavity 312 and is fixedly connected with the lower end of the welding telescopic mechanism 32.

When the utility model is used, one ends of two pipelines to be connected respectively penetrate through the clamping cylinders 22 and are inserted into the welding box 31, so that the connection positions of the two pipelines are positioned right below the welding head 33, and then the two pipelines are respectively fixed through the clamping pieces 25 on the two clamping devices 2. And then the extension of the welding telescopic mechanism 32 is controlled, the lower end of the welding head 33 is contacted with the connecting ports of the two pipelines, the welding head 33 is opened to weld the pipelines, meanwhile, the driving mechanism 24 on the two clamping devices 2 is opened, and the two clamping cylinders 22 are controlled to synchronously rotate through the driving mechanism 24, so that the circumferences of the connecting ports of the two pipelines are completely welded. Finally, the two pipelines are respectively loosened by the clamping pieces 25 on the two clamping devices 2, and the welded pipelines are taken down.

The welding device can be used for quickly and uniformly welding the gaps of the connecting ends of two pipelines, has good welding effect and high welding efficiency, and can solve the problems that the welding efficiency of the existing pipelines is low, time and labor are wasted, the welding quality is difficult to ensure and the normal production is influenced.

Preferably, the lifting device further comprises a supporting device 4, the supporting device 4 comprises a lifting cylinder 41, a lifting screw 42, a positioning cylinder 43, a positioning rod 44 and a supporting plate 45, the lifting cylinder 41 is vertically arranged and is connected with the base 1 through a connecting piece 5, internal threads matched with the lifting screw 42 are arranged on the inner wall of the lifting cylinder 41, a handle 421 is arranged at the lower end of the lifting screw 42, and the upper end of the lifting screw passes through the lifting cylinder 41 and extends to the upper side of the lifting cylinder 41.

The positioning cylinder 43 is L-shaped, one end of the positioning cylinder is fixedly connected with the lifting cylinder 41, the other end of the positioning cylinder extends vertically upwards, the positioning rod 44 is a straight rod, the positioning rod is matched with the inner diameter of the positioning cylinder 43, the lower end of the positioning rod is inserted into the positioning cylinder 43 in a sliding manner, and the upper end of the positioning rod extends vertically to the upper side of the positioning cylinder 43. The backup pad 45 level sets up, and the middle part and the lifting screw 42 top of bottom surface rotate to be connected, and one side and the locating lever 44 top fixed connection of bottom surface, strutting arrangement 4 are provided with two, and two strutting arrangement 4 set up respectively in the left and right sides both ends of base 1, are located the outside of two clamping device 2 respectively.

Through setting up strutting arrangement 4, with the vertical setting of lift section of thick bamboo 41, set up the internal thread on the inner wall of lift section of thick bamboo 41, insert lift section of thick bamboo 41 with lift screw 42 in, with the vertical setting of location section of thick bamboo 43 in lift section of thick bamboo 41 one side, insert locating lever 44 lower extreme in location section of thick bamboo 43, backup pad 45 and locating lever 44 top fixed connection, rotate with lift screw 42 top and be connected, can support the pipeline through backup pad 45, make the pipeline keep stable when the welding, limit backup pad 45 through locating lever 44, rotate lift screw 42, can make lift screw 42 rise or descend, drive backup pad 45 and rise or descend, can adjust the height of backup pad 45 according to the diameter of pipeline, support the pipeline of different diameters.

Preferably, the connecting piece 5 comprises an adjusting cylinder 51, an adjusting rod 52 and an adjusting bolt 53, wherein the adjusting cylinder 51 is L-shaped, one end of the adjusting cylinder 51 is fixedly connected with the base 1, the other end of the adjusting cylinder extends to the outer side of the base 1 along the left-right direction, and a threaded hole matched with the adjusting bolt 53 is formed in the side wall of one end, far away from the base 1, of the adjusting cylinder 51. One end of the adjusting rod 52 is inserted into the adjusting cylinder 51, the other end is fixedly connected with the lifting cylinder 41, and the adjusting bolt 53 is inserted into the threaded hole to fix the adjusting rod 52 and the adjusting cylinder 51.

Through setting up connecting piece 5 including adjusting cylinder 51, adjusting lever 52 and adjusting bolt 53, with adjusting cylinder 51 one end and base 1 fixed connection, the other end extends to the base 1 outside along controlling the direction, and adjusting lever 52 one end inserts in adjusting cylinder 51, the other end and lift section of thick bamboo 41 fixed connection, inserts the length in adjusting cylinder 51 through adjusting lever 52, can adjust the position of lift section of thick bamboo 41 to the length adjustment backup pad 45's of welded pipeline position as required, conveniently supports the pipeline of different length.

Preferably, the clamping member 25 includes a plurality of clamping cylinders 251, the clamping cylinders 251 are fixedly disposed in the clamping cylinder 22, one end of each clamping cylinder is fixedly connected with the inner wall of the clamping cylinder 22, the other end extends towards the axis of the clamping cylinder 22, and the end is provided with a clamping plate 252. The plurality of clamping cylinders 251 are uniformly distributed in a ring shape along the inner wall of the clamping cylinder 22.

By providing the clamping member 25 including a plurality of clamping cylinders 251, one end of the clamping cylinder 251 is fixedly connected with the inner wall of the clamping cylinder 22, and the other end is provided with a clamping plate 252. When the plurality of clamping cylinders 251 extend, the pipeline can be fixed through the clamping plates 252, and when the pipeline is contracted, the pipeline can be loosened, so that the control is convenient.

Preferably, the driving mechanism 24 is a rotating motor 241, the rotating motor 241 is fixedly arranged at the top of the supporting ring 21, the rotating shaft of the rotating motor 241 is parallel to the axis of the supporting ring 21, and a driving gear 242 is arranged on the rotating shaft of the rotating motor 241. The holding cylinder 22 is provided with a driven gear 23 which is meshed with a driving gear 242 and surrounds the outer peripheral surface of the holding cylinder 22.

By setting the driving mechanism 24 as the rotating motor 241, the rotating motor 241 is connected with the clamping cylinder 22 through a gear, so that the rotation of the clamping cylinder 22 can be conveniently controlled.

Preferably, the clamping plate 252 has an arc shape, and a rubber pad is disposed on an inner side surface of the clamping plate 252. Through setting up grip block 252 and being the arc, can increase the area of contact of grip block 252 and pipeline, the centre gripping pipeline is more firm, is provided with the rubber pad on the medial surface of grip block 252, can prevent to damage the pipeline.

Preferably, the welding port 311 mates with the clamping cylinder 22, and an end of the clamping cylinder 22 facing the weld box 31 is inserted into the welding cavity 312 through the welding port 311. By inserting the end of the holding cylinder 22 facing the welding box 31 into the welding cavity 312 through the welding port 311, it is possible to prevent sparks from spilling out to hurt people when welding pipes.

Preferably, the supporting plate 45 is rectangular, extends along the left-right direction, the top surface of the supporting plate 45 is an arc surface, a plurality of balls 451 are uniformly arranged on the top surface of the supporting plate 45, and the balls 451 are rotationally connected with the top surface of the supporting plate 45. By setting the top surface of the support plate 45 to be an arc surface, the pipeline can be limited, and the pipeline can be prevented from being inclined during welding. A plurality of balls 451 rotatably coupled to the top surface of the support plate 45 are provided on the top surface to facilitate the sliding insertion and removal of the pipe into and from the clamping cylinder 22.

Preferably, the clamping device 2 comprises two support rings 21, the axes of which support rings 21 are collinear, maintaining a spacing. The clamping device 2 comprises two support rings 21, and the clamping cylinder 22 is erected on the two support rings 21, so that the clamping cylinder 22 can be kept stable.

Preferably, the bottom of the base 1 is provided with universal wheels 11. The movement of the device is facilitated by the universal wheel 11.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a pipe welding device;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic diagram of a connection structure of the clamping piece and the clamping cylinder;

FIG. 4 is a schematic cross-sectional structure of the welding box;

FIG. 5 is a schematic view of the support structure;

FIG. 6 is a schematic cross-sectional view of the support device;

fig. 7 is a schematic view of the whole structure of the support plate.

In the figure, 1, base, 11, universal wheel, 2, clamping device, 21, support ring, 211, support bar, 22, clamping cylinder, 23, driven gear, 24, driving mechanism, 241, rotating motor, 242, driving gear, 25, clamping piece, 251, clamping cylinder, 252, clamping plate, 3, welding device, 31, welding box, 311, welding port, 312, welding cavity, 313, observation window, 32, welding telescopic mechanism, 33, welding head, 4, support device, 41, lifting cylinder, 42, lifting screw, 421, handle, 43, positioning cylinder, 44, positioning rod, 45, support plate, 451, ball, 452, embedded groove, 5, connecting piece, 51, adjusting cylinder, 52, adjusting rod, 53.

Detailed Description

Preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the pipe welding device comprises a base 1, a clamping device 2, a welding device 3 and a supporting device 4, wherein the clamping device 2 is arranged on the base 1 and comprises a supporting ring 21, a clamping cylinder 22, a driving mechanism 24 and a clamping piece 25, the base 1 is rectangular and extends along the left-right direction, and universal wheels 11 are arranged at the bottom of the base 1 and can facilitate movement of the device through the universal wheels 11.

The clamping device 2 comprises two supporting rings 21, the supporting rings 21 are fixedly arranged on the base 1 through supporting rods 211, and the axes of the two supporting rings 21 are collinear and keep a distance. The clamping device 2 comprises two support rings 21, and the clamping cylinder 22 is erected on the two support rings 21, so that the clamping cylinder 22 can be kept stable.

The driving mechanism 24 is a rotating motor 241, the rotating motor 241 is fixedly arranged at the top of the supporting ring 21, the rotating shaft of the rotating motor 241 is parallel to the axis of the supporting ring 21, and a driving gear 242 is arranged on the rotating shaft of the rotating motor 241, referring to fig. 2. By setting the driving mechanism 24 as the rotating motor 241, the rotating motor 241 is connected with the clamping cylinder 22 through a gear, so that the rotation of the clamping cylinder 22 can be conveniently controlled.

The diameter of the clamping cylinder 22 is matched with the inner diameter of the supporting rings 21, the clamping cylinder 22 is rotatably sleeved in the two supporting rings 21, a driven gear 23 surrounding the outer peripheral surface of the clamping cylinder 22 is arranged on the clamping cylinder 22, and the driven gear 23 is meshed with a driving gear 242, referring to fig. 2. The clamping cylinder 22 is internally provided with a clamping member 25, the clamping member 25 is used for fixing the pipeline, and the structure of the clamping member 25 is described in detail below.

The diameter of the clamping cylinder 22 is matched with the inner diameter of the supporting ring 21, which means that the diameter of the clamping cylinder 22 is the same as the inner diameter of the supporting ring 21, so that the clamping cylinder 22 can be inserted into the supporting ring 21, the outer side wall of the clamping cylinder 22 is attached to the inner side wall of the supporting ring 21, and the clamping cylinder 22 can rotate relative to the supporting ring 21.

The two clamping devices 2 are arranged on the base 1, the two clamping devices 2 are oppositely arranged on the left end and the right end of the base 1 respectively, a space for accommodating the welding device 3 is formed between the two clamping devices 2, and the axes of the clamping cylinders 22 of the two clamping devices 2 are collinear.

The two supporting devices 4 are arranged, the two supporting devices 4 are respectively arranged at the left end and the right end of the base 1, and are respectively positioned at the outer sides of the two clamping devices 2. The two support devices 4 are used to support the two pipes when they are welded.

As shown in fig. 3, the clamping member 25 includes a plurality of clamping cylinders 251, the clamping cylinders 251 are fixedly disposed in the clamping cylinder 22, one end of each clamping cylinder is fixedly connected with the inner wall of the clamping cylinder 22, the other end extends toward the axis of the clamping cylinder 22, and the end is provided with a clamping plate 252.

The plurality of clamping cylinders 251 are uniformly distributed in a ring shape along the inner wall of the clamping cylinder 22, and the intersection points of the extension lines of the plurality of clamping cylinders 251 are positioned on the axis of the clamping cylinder 22. By arranging the clamping piece 25 to comprise a plurality of clamping oil cylinders 251, when the plurality of clamping oil cylinders 251 extend, the pipeline can be fixed through the clamping plate 252, and when the clamping piece contracts, the pipeline can be loosened, so that the control is convenient.

The clamping plate 252 is arc-shaped, and a rubber pad is arranged on the inner side surface of the clamping plate 252. Through setting up grip block 252 and being the arc, can make grip block 252 and pipeline lateral wall laminating, increase the area of contact of grip block 252 and pipeline, it is more firm when the centre gripping pipeline, be provided with the rubber pad on the medial surface of grip block 252, can prevent to damage the pipeline.

As shown in fig. 4, the welding device 3 includes a welding box 31, a welding telescopic mechanism 32 and a welding head 33, the welding box 31 is fixedly arranged on the base 1 and is positioned between the two clamping devices 2, an observation window 313 is arranged on the front side wall of the welding box 31, welding openings 311 are respectively arranged on the left and right side walls of the welding box 31 at positions corresponding to the clamping cylinders 22, and a welding cavity 312 is formed in the welding box 31.

The welding telescopic mechanism 32 is vertically arranged in the welding cavity 312, the upper end of the welding telescopic mechanism is fixedly connected with the top wall of the welding cavity 312, and the welding head 33 is arranged in the welding cavity 312 and is fixedly connected with the lower end of the welding telescopic mechanism 32.

The welding port 311 is mated with the holding cylinder 22, and an end of the holding cylinder 22 facing the welding box 31 is inserted into the welding cavity 312 through the welding port 311. By inserting the end of the holding cylinder 22 facing the welding box 31 into the welding cavity 312 through the welding port 311, it is possible to prevent sparks from spilling out to hurt people when welding pipes.

The matching of the welding hole 311 with the clamping cylinder 22 means that the shape of the welding hole 311 is the same as the shape of the clamping cylinder 22, the size of the welding hole 311 is adapted to the size of the clamping cylinder 22, so that the clamping cylinder 22 can be inserted into the welding hole 311, and the outer side wall of the clamping cylinder 22 is attached to the inner side wall of the welding hole 311, so that the clamping cylinder 22 can rotate relative to the welding hole 311.

As shown in fig. 5 and 6, the supporting device 4 comprises a lifting cylinder 41, a lifting screw 42, a positioning cylinder 43, a positioning rod 44 and a supporting plate 45, wherein the lifting cylinder 41 is vertically arranged and is connected with the base 1 through a connecting piece 5, internal threads matched with the lifting screw 42 are arranged on the inner wall of the lifting cylinder 41, a handle 421 is arranged at the lower end of the lifting screw 42, and the upper end of the lifting screw passes through the lifting cylinder 41 to extend above the lifting cylinder 41.

The inner wall of the lifting cylinder 41 is provided with an internal thread matching with the lifting screw 42, which means that the inner diameter of the lifting cylinder 41 is the same as the diameter of the lifting screw 42, and the pitch and the tooth angle of the internal thread on the lifting cylinder 41 are the same as the pitch and the tooth angle of the external thread on the lifting screw 42, so that the lifting screw 42 can be inserted into the lifting cylinder 41, and can be moved upwards or downwards relative to the lifting cylinder 41 by rotating the lifting screw 42.

The positioning cylinder 43 is L-shaped, one end of the positioning cylinder is fixedly connected with the lifting cylinder 41, the other end of the positioning cylinder extends vertically upwards, the positioning rod 44 is a straight rod, the positioning rod is matched with the inner diameter of the positioning cylinder 43, the lower end of the positioning rod is inserted into the positioning cylinder 43 in a sliding manner, and the upper end of the positioning rod extends vertically to the upper side of the positioning cylinder 43.

The positioning rod 44 is matched with the inner diameter of the positioning cylinder 43, and the diameter of the positioning rod 44 is equal to or slightly smaller than the inner diameter of the positioning cylinder 43, so that the positioning rod 44 can be inserted into the positioning cylinder 43, the outer side wall of the positioning rod 44 is attached to the inner side wall of the positioning cylinder 43, and the positioning rod 44 can slide up and down along the positioning cylinder 43.

The backup pad 45 is the rectangle, and the level sets up, extends along left and right directions, and the bottom surface middle part of backup pad 45 is connected with lifting screw 42 top bearing rotation, and one side and the locating lever 44 top fixed connection of bottom surface. The support plate 45 serves to support the pipe.

The locating rod 44 is used for limiting the supporting plate 45, and when the screw rod is prevented from rotating, the supporting plate 45 is driven to rotate, the lifting screw rod 42 is rotated, the lifting screw rod 42 can be lifted or lowered, the control supporting plate 45 is driven to lift or lower, and accordingly the height of the supporting plate 45 can be adjusted according to the diameter of the pipeline, and pipelines with different diameters can be supported.

The top surface of backup pad 45 is the cambered surface, and the undercut is formed with a plurality of circular embedded grooves 452 on the top surface of backup pad 45, and embedded groove 452 top is provided with the opening, is provided with ball 451 in each embedded groove 452, and ball 451 can freely rotate in embedded groove 452, and the top protrusion of ball 451 is in the top surface of backup pad 45, referring to fig. 7. By setting the top surface of the support plate 45 to be an arc surface, the pipeline can be limited, and the pipeline can be prevented from being inclined during welding. A plurality of balls 451 rotatably coupled to the top surface of the support plate 45 are provided on the top surface to facilitate the sliding insertion and removal of the pipe into and from the clamping cylinder 22.

As shown in fig. 5 and 6, the connecting piece 5 includes an adjusting cylinder 51, an adjusting rod 52 and an adjusting bolt 53, the adjusting cylinder 51 is L-shaped, one end is fixedly connected with the base 1, the other end extends to the outside of the base 1 along the left-right direction, and a threaded hole matched with the adjusting bolt 53 is provided on the side wall of the adjusting cylinder 51 at one end far away from the base 1.

The side wall of one end of the adjusting cylinder 51 far away from the base 1 is provided with a threaded hole matched with the adjusting bolt 53, wherein the matching means that the diameter of the threaded hole is the same as that of the adjusting bolt 53, and the thread angle and the thread pitch of the internal thread of the threaded hole are the same as those of the external thread of the adjusting bolt 53, so that the adjusting bolt 53 can be inserted into the threaded hole, and the adjusting cylinder 51 and the adjusting rod 52 are fixed.

One end of the adjusting rod 52 is inserted into the adjusting cylinder 51, the other end is fixedly connected with the lifting cylinder 41, and the adjusting bolt 53 is inserted into the threaded hole to fix the adjusting rod 52 and the adjusting cylinder 51. The position of the lifting cylinder 41 can be adjusted by adjusting the length of the adjusting rod 52 inserted into the adjusting cylinder 51, so that the position of the supporting plate 45 can be adjusted according to the length of the pipeline to be welded, and pipelines with different lengths can be supported conveniently.

When the utility model is used, firstly, the length of the connecting piece 5 is adjusted according to the length of the pipeline, and the height of the lifting screw 42 is adjusted according to the diameter of the pipeline, so that the position and the height of the supporting plate 45 can support the pipeline. One ends of two pipelines to be connected are respectively inserted into the welding box 31 through the clamping cylinders 22, so that the connection positions of the two pipelines are positioned right below the welding heads 33, and the two pipelines are respectively fixed through the clamping pieces 25 on the two clamping devices 2. The extension of the welding telescopic mechanism 32 is controlled so that the lower end of the welding head 33 is in contact with the connection ports of the two pipes.

Then, the welding head 33 is opened to weld the pipelines, and meanwhile, the driving mechanisms 24 on the two clamping devices 2 are opened, and the two clamping cylinders 22 are controlled to synchronously rotate through the driving mechanisms 24, so that the circumferences of the connecting ports of the two pipelines are completely welded. Finally, the two pipes are respectively loosened by the clamping pieces 25 on the two clamping devices 2, and the welded pipes are taken down.

Through setting up strutting arrangement 4, can support the pipeline through backup pad 45, make the pipeline keep stable when the welding, carry out spacingly to backup pad 45 through locating lever 44, rotate lifting screw 42, can make lifting screw 42 rise or descend, drive backup pad 45 rise or descend, can support the pipeline of different diameters according to the diameter adjustment backup pad 45's of pipeline height.

Through setting up connecting piece 5 and including adjusting a section of thick bamboo 51, adjusting pole 52 and adjusting bolt 53, insert the length in adjusting a section of thick bamboo 51 through adjusting pole 52, can adjust the position of a lift section of thick bamboo 41 to the length adjustment backup pad 45 of welded pipeline is according to needs, conveniently supports the pipeline of different length.

The clamping plate 252 is arranged to be arc-shaped, so that the contact area between the clamping plate 252 and a pipeline can be increased, the pipeline is clamped more firmly, and the rubber pad is arranged on the inner side surface of the clamping plate 252, so that the pipeline can be prevented from being damaged. The end of the holding cylinder 22 facing the welding box 31 is inserted into the welding chamber 312 through the welding port 311, and the spark can be prevented from splashing to hurt a person when welding the pipe.

The top surface of the supporting plate 45 is an arc surface, so that the pipeline can be limited, and the pipeline can be prevented from being inclined during welding. A plurality of balls 451 rotatably coupled to the top surface of the support plate 45 are provided on the top surface to facilitate the sliding insertion and removal of the pipe into and from the clamping cylinder 22.

It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.

Claims

1. The pipeline welding equipment is characterized by comprising a base (1), a clamping device (2) and a welding device (3),

the clamping device (2) is arranged on the base (1) and comprises a supporting ring (21), a clamping cylinder (22), a driving mechanism (24) and a clamping piece (25),

the support ring (21) is fixedly arranged on the base (1) through a support rod (211);

the diameter of the clamping cylinder (22) is matched with the inner diameter of the supporting ring (21), and the clamping cylinder is rotatably sleeved in the supporting ring (21);

the driving mechanism (24) is fixedly arranged on the supporting ring (21), is connected with the clamping cylinder (22) and is used for driving the clamping cylinder (22) to rotate;

the clamping piece (25) is arranged in the clamping cylinder (22) and is used for fixing the pipeline;

the two clamping devices (2) are arranged, the two clamping devices (2) are oppositely arranged on the base (1) in the left-right direction, and a space for accommodating the welding device (3) is formed between the two clamping devices (2);

the axes of the clamping cylinders (22) of the two clamping devices (2) are collinear;

the welding device (3) comprises a welding box (31), a welding telescopic mechanism (32) and a welding head (33),

the welding box (31) is fixedly arranged on the base (1) and positioned between the two clamping devices (2), welding ports (311) are respectively formed in positions, corresponding to the clamping cylinders (22), on the left side wall and the right side wall of the welding box (31), and a welding cavity (312) is formed in the welding box;

the welding telescopic mechanism (32) is vertically arranged in the welding cavity (312), and the upper end of the welding telescopic mechanism is fixedly connected with the top wall of the welding cavity (312);

the welding head (33) is arranged in the welding cavity (312) and fixedly connected with the lower end of the welding telescopic mechanism (32).

2. Pipe welding apparatus according to claim 1, further comprising support means (4),

the supporting device (4) comprises a lifting cylinder (41), a lifting screw (42), a positioning cylinder (43), a positioning rod (44) and a supporting plate (45),

the lifting cylinder (41) is vertically arranged and is connected with the base (1) through the connecting piece (5), and an inner thread matched with the lifting screw rod (42) is arranged on the inner wall of the lifting cylinder (41);

the lower end of the lifting screw rod (42) is provided with a handle (421), and the upper end of the lifting screw rod passes through the lifting cylinder (41) and extends to the upper part of the lifting cylinder (41);

the positioning cylinder (43) is L-shaped, one end of the positioning cylinder is fixedly connected with the lifting cylinder (41), and the other end of the positioning cylinder extends vertically upwards;

the positioning rod (44) is a straight rod, is matched with the inner diameter of the positioning cylinder (43), the lower end of the positioning rod is inserted into the positioning cylinder (43), and the upper end of the positioning rod vertically extends to the upper part of the positioning cylinder (43);

the supporting plate (45) is horizontally arranged, the middle part of the bottom surface is rotationally connected with the top of the lifting screw (42), and one side of the bottom surface is fixedly connected with the top of the positioning rod (44);

the two supporting devices (4) are arranged, the two supporting devices (4) are respectively arranged at the left end and the right end of the base (1) and are respectively positioned at the outer sides of the two clamping devices (2).

3. Pipe welding device according to claim 2, characterized in that the connection piece (5) comprises an adjustment cylinder (51), an adjustment rod (52) and an adjustment bolt (53),

the adjusting cylinder (51) is L-shaped, one end of the adjusting cylinder is fixedly connected with the base (1), the other end of the adjusting cylinder extends to the outer side of the base (1) along the left-right direction, and a threaded hole matched with the adjusting bolt (53) is formed in the side wall of one end, far away from the base (1), of the adjusting cylinder (51);

one end of the adjusting rod (52) is inserted into the adjusting cylinder (51), and the other end of the adjusting rod is fixedly connected with the lifting cylinder (41);

the adjusting bolt (53) is inserted into the threaded hole to fix the adjusting rod (52) and the adjusting cylinder (51).

4. A pipe welding apparatus according to claim 3, wherein the clamping member (25) comprises a plurality of clamping cylinders (251),

the clamping cylinder (251) is fixedly arranged in the clamping cylinder (22), one end of the clamping cylinder is fixedly connected with the inner wall of the clamping cylinder (22), the other end of the clamping cylinder extends towards the axis of the clamping cylinder (22), and the end part of the clamping cylinder is provided with a clamping plate (252);

the plurality of clamping cylinders (251) are uniformly distributed in a ring shape along the inner wall of the clamping cylinder (22).

5. The pipe welding apparatus according to claim 4, wherein the drive mechanism (24) is a rotary motor (241),

the rotating motor (241) is fixedly arranged at the top of the supporting ring (21), a rotating shaft of the rotating motor (241) is parallel to the axis of the supporting ring (21), and a driving gear (242) is arranged on the rotating shaft of the rotating motor (241);

the clamping cylinder (22) is provided with a driven gear (23) which is meshed with the driving gear (242) and surrounds the outer peripheral surface of the clamping cylinder (22).

6. The pipe welding apparatus according to claim 5, wherein the clamping plate (252) has an arc shape, and a rubber pad is provided on an inner side surface of the clamping plate (252).

7. The pipe welding apparatus according to claim 6, wherein the welding port (311) mates with a clamping cylinder (22),

one end of the clamping cylinder (22) facing the welding box (31) is inserted into the welding cavity (312) through the welding opening (311).

8. The pipe welding apparatus according to claim 7, wherein the support plate (45) is rectangular, extends in the left-right direction, and the top surface of the support plate (45) is a cambered surface;

a plurality of balls (451) are uniformly arranged on the top surface of the supporting plate (45);

the ball (451) is rotatably connected to the top surface of the support plate (45).

9. Pipe welding apparatus according to claim 8, characterized in that the clamping means (2) comprise two support rings (21),

the axes of the two support rings (21) are collinear and spaced apart.

10. Pipe welding apparatus according to any one of claims 1-9, characterized in that the bottom of the base (1) is provided with a universal wheel (11).