Steel circumferential weld welding device

By designing the steel ring weld welding device for limiting slide rails and horizontal slide rails, the working platform is lifted by rail cars and chain lifts, which solves the adaptation problem of large cylinder welding and improves the safety of the welding process and flexibility.

CN222181736UActive Publication Date: 2024-12-17湖北金石炼化建设有限公司
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Patent Information

Application Number
CN202421049738.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2024-12-17
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The working arm length of the existing automatic welding machines is limited and cannot be adapted to large cylinders, resulting in some welding points requiring manual welding and lack of ring weld welding devices that can safely transport staff to high places for welding.

Method used

A steel ring weld welding device including limiting slide rails and horizontal slide rails is designed to lift the working platform through a rail car and a chain lift. It is equipped with welding avoidance holes and guardrails, combining L-shaped safety arm and rotation limit. board, ensures safety and flexibility.

Benefits of technology

The adaptation and manual welding of large cylinders is achieved, the safety and flexibility of the welding process are improved, and the welding position can be adjusted as needed to ensure the safety of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

A steel circumferential weld welding device comprises a limiting sliding rail (101) arranged on a plant stand column (100) and a horizontal sliding rail (102) arranged on the plant ground, a rail car is arranged between the limiting sliding rail (101) and the horizontal sliding rail (102) and comprises a car body frame (2), a chain lifting machine (3) and a working platform (4), the chain lifting machine (3) is installed on the top of the car body frame (2), and the working platform (4) is installed on the top of the car body frame (2). The working platform (4) is installed on the vehicle body frame (2) in a sliding mode, and the working platform (4) is driven by the chain elevator (3) to ascend or descend. The welding machine has the advantages of being large in adjustment space, capable of welding large barrels according to needs, capable of conducting manual welding and high in safety.
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Description

Technical Field

[0001] The utility model relates to the field of welding equipment, in particular to a steel girth weld welding device. Background Art

[0002] At present, the steel plate is bent into a cylinder by the plate rolling machine, and the circumferential seam of the cylinder needs to be welded before it can be formed. The working arm length of the existing automatic welding machine is limited, and welding cannot be performed when the cylinder is too large. In the actual welding process, some welding points need to be welded manually. There is a lack of a circumferential seam welding device that can adapt to large cylinders and can transport workers to high places for welding. Utility Model Content

[0003] The purpose of the utility model is to provide a steel ring weld welding device to solve the above-mentioned shortcomings.

[0004] The utility model comprises a limiting slide rail arranged on a plant column and a horizontal slide rail arranged on a plant floor; a rail car is arranged between the limiting slide rail and the horizontal slide rail; the rail car comprises a car body frame, a chain lifter and a working platform; the chain lifter is installed on the top of the car body frame; the working platform is slidably installed on the car body frame; and the working platform is driven to rise or fall by the chain lifter.

[0005] The vehicle frame is a rectangular frame, a pair of ground pulleys are arranged at the bottom of the vehicle frame, the ground pulleys slide on the horizontal slide rails, a pair of connecting arms are arranged at the top of the vehicle frame, side pulleys are arranged at the ends of the connecting arms, and the side pulleys slide in the limiting slide rails.

[0006] A pair of counterweight guide grooves are provided in the middle of the vehicle body frame, and the driving motor of the chain lift is installed on the top of the vehicle body frame. Chains are respectively provided on a pair of sprockets of the driving motor. One end of the chain is connected to a counterweight block, and the other end of the chain is fixedly connected to the working platform. The driving motor drives the counterweight block to move up and down between the pair of counterweight guide grooves.

[0007] A pair of welding avoidance holes are provided on the working platform.

[0008] A guardrail is provided on the top of the working platform.

[0009] A pair of sliding sleeves are arranged at one end of the working platform, and the upright posts of the vehicle body frame are located in the sliding sleeves.

[0010] Three limiting rollers distributed in a triangle are respectively arranged at both ends of the sliding sleeve, and a lifting gap is formed between the inner wall of the sliding sleeve and the column of the vehicle body frame. The sliding sleeve is in sliding contact with the column of the vehicle body frame through the limiting rollers.

[0011] A pair of workpiece moving rails are arranged on one side of the horizontal slide rail.

[0012] An L-shaped safety arm is movably arranged on the plant building column, and a safety rope is connected to the end of the L-shaped safety arm.

[0013] The L-shaped safety arm is installed on the factory column through a bracket and a rotating frame. The bracket and the rotating frame are respectively provided with rotation limit plates. A support plate is provided at the bottom of the bracket. The L-shaped safety arm is inserted into a pair of rotation limit plates, and the bottom of the L-shaped safety arm is supported by the support plate.

[0014] The utility model has the advantages of large adjustment margin, being able to weld large cylinders according to needs, being able to perform manual welding and being highly safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the utility model rail vehicle.

[0017] Figure 3 It is a structural schematic diagram of the working platform of the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the embodiments of the present invention, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the product of the invention is usually placed when in use. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, if the terms "first", "second", etc. appear in the description of the present invention, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] As shown in the accompanying drawings, the utility model includes a limiting slide rail 101 arranged on a factory building column 100 and a horizontal slide rail 102 arranged on the factory building floor. A rail car is arranged between the limiting slide rail 101 and the horizontal slide rail 102. The rail car includes a vehicle body frame 2, a chain lift 3 and a working platform 4. The chain lift 3 is installed on the top of the vehicle body frame 2, and the working platform 4 is slidably installed on the vehicle body frame 2. The working platform 4 is driven to rise or fall by the chain lift 3.

[0024] The vehicle frame 2 is a rectangular frame, a pair of ground pulleys 5 are provided at the bottom of the vehicle frame 2, the ground pulleys 5 are located on the horizontal slide rails 102 and slide, a pair of connecting arms are provided at the top of the vehicle frame 2, side pulleys 6 are provided at the ends of the connecting arms, and the side pulleys 6 are located in the limit slide rails 101 and slide. The limit slide rails 101 prevent the vehicle frame 2 from shaking left and right when moving, and the ground pulleys 5 bear the weight of the vehicle frame 2.

[0025] A pair of counterweight guide grooves 7 are provided in the middle of the vehicle frame 2, a driving motor of the chain lifter 3 is installed on the top of the vehicle frame 2, a pair of sprockets of the driving motor are provided with chains, one end of the chain is connected with a counterweight block 8, and the other end of the chain is fixedly connected to the working platform 4, and the driving motor drives the counterweight block 8 to move up and down between the pair of counterweight guide grooves 7. When the counterweight block 8 moves up and down, there will be no shaking, and the lifting and lowering will be smoother.

[0026] A pair of welding avoidance holes 9 are provided on the working platform 4 .

[0027] A guardrail 10 is provided on the top of the working platform 4 .

[0028] A pair of sliding sleeves 11 are provided at one end of the working platform 4 , and the upright posts of the vehicle body frame 2 are located inside the sliding sleeves 11 .

[0029] Three limiting rollers 12 distributed in a triangle are respectively arranged at both ends of the sliding sleeve 11, and a lifting gap is formed between the inner wall of the sliding sleeve 11 and the column of the vehicle frame 2, and the sliding sleeve 11 is in sliding contact with the column of the vehicle frame 2 through the limiting rollers 12. The limiting rollers 12 are in contact with the column of the vehicle frame 2, so that the working platform 4 moves up and down more smoothly.

[0030] A pair of workpiece moving rails 103 are provided on one side of the horizontal slide rail 102 .

[0031] An L-shaped safety arm 13 is movably provided on the plant column 100 , and a safety rope is connected to the end of the L-shaped safety arm 13 .

[0032] The L-shaped insurance arm 13 is installed on the plant column 100 through the bracket 14 and the rotating frame 15. The bracket 14 and the rotating frame 15 are respectively provided with rotation limit plates. The bottom of the bracket 14 is provided with a support plate. The L-shaped insurance arm 13 is inserted into a pair of rotation limit plates, and the support plate supports the bottom of the L-shaped insurance arm 13. The rotation range of the L-shaped insurance arm 13 is limited by the rotation limit plate, and the weight of the L-shaped insurance arm 13 is carried by the support plate.

[0033] Embodiment 1: The working platform 4 is lowered under the drive of the chain lift 3, and the staff moves the welding machine to the working platform 4, and then the working platform 4 is raised by the chain lift 3, and the cylinder is slid along a pair of workpiece moving rails 103 to the bottom of the working platform 4. According to the size of the cylinder, the working platform 4 is lowered to the welding position above the cylinder by the chain lift 3, and the staff passes the welding gun head through the welding avoidance hole 9 to weld the circumferential weld of the cylinder. When the staff needs to stand on the cylinder for repair welding, the safety rope on the L-shaped safety arm 13 can be tied around the waist to prevent falling during welding. The L-shaped safety arm 13 can be rotated to a horizontal position with the horizontal slide rail 102 when not in use, so that it can avoid the vehicle body frame 2.

Claims

1. A steel material girth weld welding device, comprising a limit slide rail (101) arranged on a plant column (100) and a horizontal slide rail (102) arranged on the plant floor, a rail car is arranged between the limit slide rail (101) and the horizontal slide rail (102), characterized in that The rail vehicle comprises a vehicle body frame (2), a chain lift (3) and a working platform (4), wherein the chain lift (3) is mounted on the top of the vehicle body frame (2), and the working platform (4) is slidably mounted on the vehicle body frame (2), and the working platform (4) is driven to rise or fall by the chain lift (3).

2. A steel girth weld welding device according to claim 1, characterized in that: The vehicle body frame (2) is a rectangular frame. A pair of ground pulleys (5) are arranged at the bottom of the vehicle body frame (2). The ground pulleys (5) are located on horizontal slide rails (102) and slide. A pair of connecting arms are arranged at the top of the vehicle body frame (2). Side pulleys (6) are arranged at the ends of the connecting arms. The side pulleys (6) are located in the limit slide rails (101) and slide.

3. A steel girth weld welding device according to claim 2, characterized in that: A pair of counterweight guide grooves (7) are arranged in the middle of the vehicle body frame (2); a driving motor of the chain lifter (3) is installed on the top of the vehicle body frame (2); a pair of sprockets of the driving motor are respectively provided with chains; one end of the chain is connected to a counterweight block (8); the other end of the chain is fixedly connected to the working platform (4); the driving motor drives the counterweight block (8) to move up and down between the pair of counterweight guide grooves (7).

4. A steel girth weld welding device according to claim 3, characterized in that: A pair of welding avoidance holes (9) are provided on the working platform (4).

5. A steel girth weld welding device according to claim 4, characterized in that: A guardrail (10) is arranged on the top of the working platform (4).

6. A steel girth weld welding device according to claim 5, characterized in that: A pair of sliding sleeves (11) are arranged at one end of the working platform (4), and the upright posts of the vehicle body frame (2) are located inside the sliding sleeves (11).

7. A steel girth weld welding device according to claim 6, characterized in that: Three limiting rollers (12) distributed in a triangular shape are respectively arranged at both ends of the sliding sleeve (11); a lifting gap is formed between the inner wall of the sliding sleeve (11) and the column of the vehicle body frame (2); and the sliding sleeve (11) is in sliding contact with the column of the vehicle body frame (2) via the limiting rollers (12).

8. The steel girth weld welding device according to claim 1, characterized in that: A pair of workpiece moving rails (103) are arranged on one side of the horizontal slide rail (102).

9. The steel girth weld welding device according to claim 1, characterized in that: An L-shaped safety arm (13) is movably arranged on the factory building column (100), and a safety rope is connected to the end of the L-shaped safety arm (13).

10. A steel girth weld welding device according to claim 9, characterized in that: The L-shaped safety arm (13) is installed on the plant column (100) through a bracket (14) and a rotating frame (15); the bracket (14) and the rotating frame (15) are respectively provided with rotation limit plates; a supporting plate is provided at the bottom of the bracket (14); the L-shaped safety arm (13) is inserted into a pair of rotation limit plates, and the bottom of the L-shaped safety arm (13) is supported by the supporting plate.