# US 2025/0153282 A1 · Welding workstation

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2025/0153282 A1
- Document ID: US20250153282A1
- Status: Published application
- Kind: A1
- Application number: 18/836,545
- Filed: 2022-08-30
- Published: 2025-05-15
- Earliest claimed: 2022-03-31
- Assignees: Chengdu Xionggu Jiashi Electrical Co, Ltd
- Applicants: Chengdu Xionggu Jiashi Electrical Co, Ltd
- Inventors: Youjin XIAO; Tan SHU; Wang ZHANG; Zonglei YU; Jianglong HE; Rongdong LI; Biqing LIU
- Web page: https://patentgrep.com/patent/US20250153282A1

## CPC

- B23K 37/0229: {the guide member being situated alongside the workpiece}
- B23K 37/00: Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K 37/02: Carriages for supporting the welding or cutting element
- B23K 37/0217: {the guide member being fixed to the workpiece}
- B23K 37/0247: {Driving means}
- B23K 37/0276: {for working on or in tubes (B23K37/0211 takes precedence)}
- B23K 37/0282: {Carriages forming part of a welding unit}
- B23K 37/0294: {Transport carriages or vehicles}
- B23K 2101/06: Tubes
- B23K: SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM

## Abstract

A welding workstation includes an integrated welding device. The integrated welding device includes a welding rail frame for enclosing the circumferential direction of a pipeline to be welded, a welding apparatus provided on the welding rail frame, a locomotive apparatus connected to the welding rail frame, and a girth weld driving apparatus connected to the welding rail frame or the welding apparatus; the locomotive apparatus is provided with driving wheels for roll-fitting pipeline to be welded or the ground, and the driving wheels moves along the axial direction of the pipeline to be welded; and the girth weld driving apparatus drives the welding apparatus to rotate around a seam to be welded of the pipeline to be welded. The welding workstation can realize automatic locomotion and automatic welding.

## Claims

### Claim 1

A welding workstation, comprising a welding container, wherein the welding container comprises:
a welding rail frame configured to surround along a circumferential direction of a to-be-welded pipeline;
a welding device arranged on the welding rail frame;
a traveling device connected to the welding rail frame, wherein the traveling device comprises a driving wheel for rolling against the to-be-welded pipeline or the ground to drive the welding rail frame to move along an axial direction of the to-be-welded pipeline; and
a girth welding driving device configured to drive the welding device to rotate around a to-be-welded weld seam of the to-be-welded pipeline, wherein one of the welding rail frame and the welding device is connected to the girth welding driving.

### Claim 2 (depends on 1)

The welding workstation according to claim 1, wherein the traveling device further comprises a connecting shaft; an axial direction of the connecting shaft is perpendicular to a moving direction of the traveling device; two axial ends of the connecting shaft are respectively provided with a plurality of driving wheels; all the driving wheels of the same connecting shaft are differential driving wheels for rolling against the to-be-welded pipeline.

### Claim 3 (depends on 2)

The welding workstation according to claim 2, wherein the connecting shaft is a rotatable driving shaft; a transmission universal joint is provided between any of the differential driving wheels and the driving shaft; the driving shaft is connected in series with supporting transmission shafts of all the differential driving wheels through the transmission universal joint to form a multi-shaft joint.

### Claim 4 (depends on 1)

The welding workstation according to claim 1, wherein the traveling device further comprises a controller and a positioning sensor for detecting a position of the to-be-welded weld seam of the to-be-welded pipeline; the controller is coupled to the positioning sensor and a power device of the driving wheel, and is configured to control the driving wheel to start or stop according to the position of the to-be-welded weld seam.

### Claim 5 (depends on 1)

The welding workstation according to claim 1, wherein the welding container further comprises a welding housing; the welding rail frame and the welding device are arranged in the welding housing; a through chamber for the to-be-welded pipeline to pass through and an openable door arranged at an opening of the through chamber are provided in the welding housing.

### Claim 6 (depends on 5)

The welding workstation according to claim 5, wherein the through chamber is in a shape of an arched door opening; the openable door comprises a first foldable windproof shelter arranged at an end opening of the through chamber; the first foldable windproof shelter is configured to shield or expose a gap between the end opening and the to-be-welded pipeline passing through the end opening.

### Claim 7 (depends on 6)

The welding workstation according to claim 6, wherein the openable door further comprises a second foldable windproof shelter arranged at a bottom opening of the through chamber and configured to shield or expose the bottom opening.

### Claim 8 (depends on 7)

The welding workstation according to claim 7, wherein the welding housing is provided with a windproof shelter driver; the first foldable windproof shelter and the second foldable windproof shelter are both connected to the windproof shelter driver to be automatically opened or closed.

### Claim 9 (depends on 5)

The welding workstation according to claim 5, wherein the welding housing is provided with a telescopic rod and a grounding pin; the grounding pin is coupled to the welding housing, the grounding pin is arranged at a bottom end of the telescopic rod; the telescopic rod is configured to move in a vertical direction to insert the grounding pin into the ground.

### Claim 10 (depends on 1)

The welding workstation according to claim 1, wherein the welding rail frame comprises a ring gear; the welding device comprises a welding actuator cooperating with teeth of the ring gear; the girth welding driving device is connected to the welding actuator to drive the welding actuator to rotate along the ring gear.

### Claim 11 (depends on 10)

The welding workstation according to claim 10, wherein the welding actuator is provided with a welding head which is expandable and retractable along a radial direction of the ring gear.

### Claim 12 (depends on 10)

The welding workstation according to claim 10, wherein the ring gear comprises at least two arc-shaped racks for surrounding and being openable and closable relative to the to-be-welded pipeline.

### Claim 13 (depends on 12)

The welding workstation according to claim 12, wherein the welding rail frame further comprises a pipe clamp for surrounding and being openable and closable relative to the to-be-welded pipeline; and the pipe clamp clamps the to-be-welded pipeline when the pipe clamp is closed.

### Claim 14 (depends on 1)

The welding workstation according to claim 1, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.

### Claim 15 (depends on 14)

The welding workstation according to claim 14, wherein the energy console and/or the welding container is provided with a wireless communication device which is connected to a wireless manipulation terminal.

### Claim 16 (depends on 2)

The welding workstation according to claim 2, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.

### Claim 17 (depends on 3)

The welding workstation according to claim 3, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.

### Claim 18 (depends on 4)

The welding workstation according to claim 4, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.

### Claim 19 (depends on 5)

The welding workstation according to claim 5, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.

### Claim 20 (depends on 6)

The welding workstation according to claim 6, further comprising an energy console; wherein the energy console comprises a power supply device, a gas supply device and a console base; the power supply device is connected to the welding container through a cable, the gas supply device is connected to the welding container through a gas pipeline; and the power supply device and the gas supply device are integrated into the console base.