CN213105195U

CN213105195U - Welding device for titanium and titanium alloy pipes

Info

Publication number: CN213105195U
Application number: CN202021297823.2U
Authority: CN
Inventors: 安少妮; 李征宇
Original assignee: Zhizhi Ningxia Information Technology Co ltd
Current assignee: Jiangsu Xinchao Alloy Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-05-04
Anticipated expiration: 2030-07-06

Abstract

The utility model provides a welding set of titanium and titanium alloy pipe, including installing the play pole electric jar at the bridge plate intermediate position, install the bonding tool that goes out the pole electric jar and go out the rod end, respectively with bridge plate both ends fixed connection's tripod, wherein, the support wheel symmetry of two dumbbells shape install inboard at the tripod to it is articulated with the tripod. The butt welding machine is mainly used for butt welding of titanium alloy pipelines with large pipe diameters, the manual auxiliary pushing device rotates around the pipelines at the moment of butt welding, and the height of a welding gun can be adjusted at any time according to needs.

Description

Welding device for titanium and titanium alloy pipes

Technical Field

The utility model relates to a welding set especially relates to a titanium and titanium alloy pipe welding set.

Background

The common welding methods for titanium and titanium alloy are as follows: argon arc welding, submerged arc welding, vacuum electron beam welding and the like. The thickness of the alloy is less than 3 mm by argon tungsten-arc welding and more than 3 mm by argon consumable-arc welding.

When welding large-scale titanium alloy pipe, adopt the mode of manual welding, the personnel of holding welder need continuous adjustment position, change the gimmick for keep suitable distance between welder and the welding seam all the time. And the manual welding speed is slow, the welding condition needs to be observed close to a welding point frequently during welding, the fatigue phenomenon can occur to an operator due to long-time continuous welding, and the welding quality is easy to reduce when the operator works in a fatigue state.

SUMMERY OF THE UTILITY MODEL

The utility model provides a titanium and titanium alloy pipe welding set for solving the problems in the prior art.

The device includes: the electric rod discharging cylinder is arranged in the middle of the bridge plate, the welding head is arranged at the rod discharging end of the electric rod discharging cylinder, and the triangular frames are respectively fixedly connected with the two ends of the bridge plate; wherein, two dumbbell shape supporting wheels are symmetrically arranged at the inner side of the tripod and are hinged with the tripod.

Furthermore, the bottom ends of the triangular supports are symmetrically provided with a first hole, the first hinge shaft penetrates through the first hole, the triangular supports on two sides of the bridge plate are fixedly connected, and the stability of the whole device is improved.

Furthermore, a T-shaped connecting rod capable of freely rotating around the T-shaped connecting rod is hinged outside the first hinge shaft between the two tripods, a dumbbell-shaped enclasping wheel is hinged at the lower end of the T-shaped connecting rod, the dumbbell-shaped enclasping wheel can avoid welding seams, and the dumbbell-shaped enclasping wheel has a better supporting effect on the device.

Furthermore, in order to drive the T-shaped connecting rod to rotate around the first hinge shaft from the upper end of the T-shaped connecting rod, a second hole is formed in the upper end of the T-shaped connecting rod, and a second hinge shaft is arranged in the second hole.

Furthermore, in order to realize the action of fast and automatically holding the pipeline tightly, two symmetrical sides of the tripod are also provided with cylinders for driving the T-shaped connecting rod and the holding wheel to rotate around the first hinge shaft.

Furthermore, the extending end of the air cylinder is hinged with a second hole in the upper end of the T-shaped connecting rod through a second hinge shaft, the other end of the air cylinder is hinged with the ear plate through a third hinge shaft, and two ends of the ear plate are fixedly connected with the tripod.

Furthermore, the bridge plate is also provided with a U-shaped hole for limiting the pipeline, so that the pipeline is far away from the welding seam with higher temperature.

The technical effects of the utility model reside in that: the welding device is arranged on a titanium alloy pipe to be welded, the welding head is aligned to a welding seam formed by butt joint of the titanium alloy pipe, the outer circle of the pipeline is embraced by the clasping wheel on the device under the pneumatic action, and the welding head can move up and down under the driving of the electric cylinder to adjust the distance between the welding head and the welding seam. During welding, only need operating personnel to rotate the device, make the bonding tool rotate along the welding seam and can accomplish the welding, compare with manual welding, accomplish the welding of a complete circular arc welding seam, only need in the initial position with all adjustment of welding parameter finish can, and welding quality is invariable, welding speed can be faster.

Drawings

FIG. 1 is an isometric view of a welding apparatus of the present invention;

fig. 2 is a front view of the middle welding device of the present invention when holding the titanium alloy tube tightly.

In the figure, 1, a rod-out electric cylinder, 2, a welding head, 3, a tripod, 4, a supporting wheel, 5, a bridge plate, 10, a first hinge shaft, 11, a T-shaped connecting rod, 12, a holding wheel, 13, a second hinge shaft, 14, a third hinge shaft, 15, an ear plate, 16, an air cylinder, 21, a pipeline, 31, a first hole, 32, a second hole, 33, a third hole and 40 are butt-welded with a pipeline.

Detailed Description

The following describes an embodiment of the present invention with reference to fig. 1 and 2.

Fig. 1 illustrates a welding device before installation, the device mainly comprises an electric rod-out cylinder 1 installed in the middle of a bridge plate 5, a welding head 2 installed at the end of the rod-out end of the electric rod-out cylinder 1, and a tripod 3 fixedly connected with two ends of the bridge plate 5 respectively; wherein, two dumbbell-shaped supporting wheels 4 are symmetrically arranged at the inner side of the tripod 3 and are hinged with the tripod 3;

the bottom ends of the tripods 3 are symmetrically provided with a first hole 31, and the first hinge shaft 10 penetrates through the first hole 31 to fixedly connect the tripods 3 on the two sides of the bridge plate 5; a T-shaped connecting rod 11 which can freely rotate around the first hinge shaft 10 between the two tripods 3 is hinged outside the first hinge shaft, and a dumbbell-shaped enclasping wheel 12 is hinged at the lower end of the T-shaped connecting rod 11; a second hole 32 is formed in the upper end of the T-shaped connecting rod 11, and a second hinge shaft 13 is arranged in the second hole 32;

two symmetrical sides of the tripod 3 are also provided with cylinders 16 for driving the T-shaped connecting rod 11 and the clasping wheel 12 to rotate around the first hinge shaft 10; the extending end of the air cylinder 16 is hinged with a second hole 32 at the upper end of the T-shaped connecting rod 11 through a second hinge shaft 13, the other end of the air cylinder 16 is hinged with the ear plate 15 through a third hinge shaft 14, and two ends of the ear plate 15 are fixedly connected with the tripod 3; the bridge plate 5 is further provided with a U-shaped hole 51 for limiting the pipeline 21.

Fig. 2 illustrates a state where the welding apparatus hugs the butt-welded pipe.

The working principle is as follows: the whole device is straddled on the butt welding pipeline 40, so that the welding seam and the welding head are on the same plane, and the supporting wheel 4 is contacted with the outer circle of the titanium alloy pipe. The rod-free end of the cylinder 16 is hinged to the ear plate 15 through the third hinge shaft 14, the ear plate 15 is fixedly connected with the tripod 3, air is introduced into the cylinder 16, the piston rod extends out, the end of the piston rod is hinged to the top of the T-shaped connecting rod through the second hinge shaft 13, the T-shaped connecting rod 13 rotates around the first hinge shaft 10 under the pushing of the piston rod, the holding wheel 12 is gradually close to the titanium alloy pipeline, and the whole pipeline is held.

And starting the rod-out electric cylinder 1 arranged at the top of the tripod 3, enabling the welding head 2 to move downwards to a position which is proper to the welding seam, and performing trial welding, wherein if the welding effect is not good, the distance between the welding head 2 and the welding seam can be continuously adjusted through the electric cylinder. After the adjustment is finished, the tool can be pushed to rotate around the titanium alloy pipe, so that the welding can be continuously performed around the welding line.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A welding device for titanium and titanium alloy pipes is characterized by comprising an electric outlet rod cylinder (1) arranged in the middle of a bridge plate (5), a welding head (2) arranged at the end of the outlet rod of the electric outlet rod cylinder (1), and a tripod (3) fixedly connected with the two ends of the bridge plate (5) respectively;

wherein, two dumbbell-shaped supporting wheels (4) are symmetrically arranged at the inner side of the tripod (3) and are hinged with the tripod (3).

2. The welding device for the titanium and titanium alloy pipes according to claim 1, wherein the bottom ends of the tripods (3) are symmetrically provided with a first hole (31), and the first hinge shaft (10) penetrates through the first hole (31) to fixedly connect the tripods (3) at the two sides of the bridge plate (5).

3. The welding device of titanium and titanium alloy tubes according to claim 2, wherein a T-shaped connecting rod (11) which can freely rotate around itself is hinged outside the first hinge shaft (10) between the two tripods (3), and the lower end of the T-shaped connecting rod (11) is hinged with a dumbbell-shaped clasping wheel (12).

4. The welding device for the titanium and titanium alloy pipes according to claim 3, wherein a second hole (32) is formed in the upper end of the T-shaped connecting rod (11), and a second hinge shaft (13) is arranged in the second hole (32).

5. The welding device of titanium and titanium alloy pipes according to any one of claims 1 to 4, characterized in that the symmetrical two sides of the tripod (3) are further provided with a cylinder (16) driving the T-shaped connecting rod (11) and the clasping wheel (12) to rotate around the first hinge shaft (10).

6. The welding device of the titanium and titanium alloy pipes according to claim 5, wherein the extending end of the cylinder (16) is hinged with a second hole (32) at the upper end of the T-shaped connecting rod (11) through a second hinge shaft (13), the other end of the cylinder (16) is hinged with the ear plate (15) through a third hinge shaft (14), and the two ends of the ear plate (15) are fixedly connected with the tripod (3).

7. The welding device for titanium and titanium alloy pipes according to claim 1, wherein the bridge plate (5) is further provided with a U-shaped hole (51) for limiting the pipeline (21).