CN-224221822-U - Corrosion-resistant weld coating compensation device for steel pipe

Abstract

A compensating device for the anticorrosive weld coating of steel pipe. Mainly solves the problem of complex structure of the prior steel pipe corrosion-resistant weld coating compensation device. The automatic feeding device is characterized by further comprising a branch pipe (3) connected with the feeding pipe, wherein the feeding pipe storage cavity (31) is arranged in the branch pipe, a linear driver (4) is arranged on the feeding pipe, and a piston rod (41) extends into the discharging cavity partially and is connected with the linear driver partially. The utility model provides a steel pipe anti-corrosion weld coating compensation device which can be directly integrated on an extruder, and has the advantages of simple structure and convenient use.

Inventors

• GE SIYU
• YU JIKAI
• Fu Zhuikang
• Yuan Youmiao
• LI YUCHEN
• HONG LIRONG

Assignees

• 睿德技术装备(舟山)有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (7)

1. 1. The corrosion-resistant weld coating compensation device for the steel pipe comprises an extruding machine (1) and a feeding device (5), wherein the extruding machine comprises a conveying pipe (2), and the feeding device is used for placing and conveying the steel pipe (51), and is characterized by further comprising The branch pipe (3) is connected with the conveying pipe, and the conveying pipe storage cavity (31) is arranged in the branch pipe; A linear driver (4) mounted on the feed delivery pipe; And a piston rod (41) partially stretches into the discharging cavity, and is partially connected with the linear driver.
2. 2. The corrosion-resistant weld coating compensating apparatus of claim 1, wherein the branch pipe is integrally formed with the feed delivery pipe.
3. 3. The corrosion-resistant weld coating compensating apparatus of claim 2, wherein the linear actuator is a hydraulic cylinder.
4. 4. A steel pipe corrosion resistant weld coating compensating apparatus as set forth in claim 3 further comprising a connecting member (5) having one end connected to an output shaft of said drive cylinder and the other end connected to said piston rod.
5. 5. A corrosion-resistant welded seam coating compensation device for steel pipes as set forth in claim 4, wherein a runner (51) is provided on a wall of the connecting piece, and a water inlet (52) and a water outlet (53) are provided on the connecting piece and are communicated with the runner.
6. 6. A corrosion resistant weld coating compensating apparatus for steel pipes as set forth in claim 5 wherein said manifold comprises a pipe body and a bracket (31) mounted to said pipe body, said linear actuator being mounted to said bracket.
7. 7. The corrosion-resistant weld coating compensation device for steel pipes according to claim 6, wherein the support comprises a bottom plate (311) and a connecting column (312), a second flow passage (313) is arranged in the connecting column, and a water changing port (314) communicated with the second flow passage is arranged on the connecting column.

Description

Corrosion-resistant weld coating compensation device for steel pipe Technical Field The utility model relates to the field of steel pipe machining equipment, in particular to a steel pipe anti-corrosion weld coating compensation device. Background Steel pipes are common metallic materials for transporting fluids, and are used in large amounts for transporting oil, gas, water, and other media. The metal material is easily influenced by the external environment and the internal medium in the use process, so that the service life is shortened. In order to prolong the service life of the steel pipe, a common method is to perform anti-corrosion protection treatment on the outer part or the inner part of the steel pipe. In the prior weld joint compensation structure of the steel pipe, as described in China patent publication No. CN 103521398B, the adopted compensation rod moves back and forth, so that the whole structure is complex, and the installation is inconvenient. Disclosure of utility model In order to overcome the defects of the background technology, the utility model provides a steel pipe anti-corrosion weld coating compensation device, which mainly solves the problem that the existing steel pipe anti-corrosion weld coating compensation device is complex in structure. The technical proposal of the utility model is that, The steel pipe corrosion-resistant weld coating compensation device comprises an extruding machine and a feeding device, wherein the extruding machine comprises a conveying pipe, the feeding device is used for placing and conveying steel pipes, and the steel pipe corrosion-resistant weld coating compensation device further comprises The branch pipe is connected with the conveying pipe, and the conveying pipe storage cavity is arranged in the branch pipe; the linear driver is arranged on the conveying pipe; and a piston rod, part of which extends into the discharging cavity, and part of which is connected with the linear driver. The branch pipe and the conveying pipe are integrally manufactured. The linear driver is a hydraulic cylinder. The device also comprises a connecting piece, one end of the connecting piece is connected with the output shaft of the driving cylinder, and the other end of the connecting piece is connected with the piston rod. The wall of the connecting piece is provided with a flow channel, and the connecting piece is provided with a water inlet and a water outlet which are communicated with the flow channel. The branch pipe comprises a pipe body and a bracket arranged on the pipe body, and the linear driver is arranged on the bracket. The support comprises a bottom plate and a connecting column, a second flow passage is arranged in the connecting column, and a water exchanging port communicated with the second flow passage is arranged on the connecting column. The steel pipe corrosion-resistant weld coating compensation device has the beneficial effects that the steel pipe corrosion-resistant weld coating compensation device can be directly integrated on an extruder, and is simple in structure and convenient to use. Drawings Fig. 1 is a schematic structural view of an embodiment of the present utility model. Fig. 2 is an enlarged schematic view at a in fig. 1. Fig. 3 is an enlarged schematic view at B in fig. 2. Detailed Description The utility model is further described below with reference to the accompanying drawings, and the steel pipe corrosion-resistant weld coating compensation device comprises an extruding machine 1 and a feeding device 5, wherein the extruding machine comprises a conveying pipe 2, the feeding device is used for placing and conveying a steel pipe 51, the feeding device further comprises a branch pipe 3 connected with the conveying pipe, a conveying pipe storage cavity 31 is formed in the feeding pipe, a linear driver 4 is arranged on the conveying pipe, and a piston rod 41 extends into the discharging cavity partially and is connected with the linear driver partially. The steel pipe is placed on material feeding unit, it can rotate the steel pipe and carry forward on one side, can adopt the structure of CN 103521398B, also can adopt the China patent of CN 207401678U, still be equipped with the position that sensor 50 is used for the response welding seam in addition, these are the same with prior art, the extruder can be stored in the storage intracavity in some when the ejection of compact, when the sensor sensed the welding seam, the linear drive starts work, extrude the material in storage chamber, the cooperation extruder extrudes this moment, the extrusion volume in the unit time has obtained the improvement, and then realize the compensation to the welding seam. In this embodiment, the branch pipe is integrally formed with the feed delivery pipe as shown. Obtained by welding or casting. In this embodiment, as shown, the linear actuator is a hydraulic cylinder. In this embodiment, as shown in the figure, the device further comprises a c