Small-diameter single-cylinder submerged-arc welding track

By designing a novel submerged arc welding track structure and utilizing an adjusting screw and insertion pin assembly, the instability and safety hazards during small-diameter single-cylinder welding were resolved, thereby improving welding quality and safety.

CN223656211UActive Publication Date: 2025-12-12DALIAN QICHE RAILS TRAFFIC EQUIP CO LTD
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Patent Information

Application Number
CN202423163307.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-12
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

The existing submerged arc welding machine's built-in track is unstable when welding small-diameter single cylinders, making operation difficult, resulting in poor welding quality and safety hazards, especially when operating in confined spaces, which can easily cause injury to the human body.

Method used

A novel track structure is designed, comprising a submerged arc welding track, a support tube, a height adjustment screw, and an adjustable length pin assembly. By adjusting the screw and pin, the track stability is ensured, preventing track tilting and misoperation, thereby improving welding quality.

Benefits of technology

This technology has achieved stability and safety in welding small-diameter single cylinders, improved welding quality, and reduced welding defects and safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

Height adjusting lead screws are vertically arranged at the two ends of two submerged-arc welding rails with the L-shaped sections, hollow supporting pipes are arranged on the lower portions of the two submerged-arc welding rails, a plurality of through holes are formed in the two sides of each supporting pipe, and the two ends of each supporting pipe are movably connected with length-adjustable socket pin assemblies respectively. The opening directions of the two length-adjustable socket pin assemblies are opposite. When a small-diameter single-cylinder butt-joint submerged-arc welding seam is welded, adverse safety factors in production can be effectively avoided in the operation process, and the welding quality of the submerged-arc welding seam can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing field, especially single cylinder submerged arc welding track. BACKGROUND

[0002] The track of the submerged arc welding machine is a flat track in daily production activities, the track material is light and thin, wide and poor in rigidity, and is only suitable for welding work on a plane base, when welding a small-diameter single cylinder submerged arc weld using such a track, the submerged arc welding machine is unstable and vibrates when walking on the track, the operation accessibility is poor and the accuracy of adjusting the knob of the welding machine is poor due to the narrow space in the small-diameter single cylinder, the submerged arc welding technology is almost unable to adapt to the welding work in the narrow and limited space, the operation is complicated, time-consuming and laborious, and the welding defects are high in repair rate.

[0003] The welding of the small-diameter single cylinder is performed in a narrow and limited space, in order to ensure the flatness of the track, the track has to be frequently leveled, and the track is easily pressed and injured if there is a slight inattention or poor cooperation, the walking of the submerged arc welding machine is more unstable due to the artificial heightening of the track, the submerged arc welding machine is easily tilted and injured due to the operation error, and the submerged arc welding machine is heavy in weight and needs 2-3 auxiliary personnel to lift the track, one person has to step on one end of the track, if the cooperation is not good, the other end of the track is easily tilted upward when the welding machine is lifted on the track, and the track is easily injured and a safety accident occurs. SUMMARY

[0004] The utility model aims at providing a small-diameter single cylinder submerged arc welding track, which can effectively avoid the adverse safety factors in production and improve the welding quality of the submerged arc weld during the welding of the small-diameter single cylinder butt joint submerged arc weld.

[0005] The utility model discloses a submerged arc welding track, a supporting pipe, a height adjusting screw and an adjustable length socket pin assembly.

[0006] Wherein, the height adjusting screw is vertically arranged at both ends of the two L-shaped buried arc welding tracks, the hollow support pipe is arranged at the lower part of the two buried arc welding tracks, a plurality of through holes are arranged on both sides of the support pipe, and the adjustable length socket pin assembly is movably connected at both ends of the support pipe.

[0007] Preferably, the adjustable length socket pin assembly comprises a connecting pipe and a positioning rod.

[0008] Preferably, the position distance between the adjacent through holes on the connecting pipe corresponds to the through holes on both sides of the support pipe, the connecting pipe is arranged in the support pipe, and the connecting pipe is movably connected through the fastener.

[0009] Preferably, one end of the buried arc welding track is connected with the placing plate of the submerged arc welding machine, and the lower part of the placing plate of the submerged arc welding machine is provided with a roller.

[0010] Preferably, in order to ensure the stability of the two parallel buried arc welding tracks, the two parallel buried arc welding tracks are connected through the track connecting rod.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] (1) the adjustable length socket pin is clamped on the wall thickness part of both ends of the cylinder, so that the buried arc welding track can be clamped on the cylinder, and the safety hazard of the track end suddenly being tilted and hurting people when the submerged arc welding machine is placed is avoided;

[0013] (2) the rigidity of the track is large, the submerged arc welding machine walks stably on the track without vibration, the safety operation can be realized, and the operator and the surrounding workers are prevented from being hurt by the artificial misoperation and accidental collision;

[0014] (3) when the buried arc welding track is placed on the uneven welding plane, the height of the track can be kept on the horizontal position through the height adjusting screw, so that the stability of the submerged arc welding machine during walking and welding is ensured, and the welding quality of the buried arc welding seam is improved;

[0015] (4) the adjustable length socket pin is arranged below the track, the adjustable length socket pin is clamped on the wall thickness part of both ends of the cylinder after the height adjusting screw is adjusted to match the optimal height of the cylinder bottom welding seam and the track, so that the buried arc welding track can be clamped on the cylinder, and the safety hazard of the track end being tilted and hurting people when the submerged arc welding machine is placed is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a perspective view of the present application;

[0018] Figure 2 It is a side view of the submerged arc welding track and the adjustable length socket pin assembly of the present application;

[0019] Figure 3 It is a top view of the submerged arc welding track and the adjustable length socket pin assembly of the present application;

[0020] Figure 4 It is a side view of the adjustable length socket pin assembly of the present application;

[0021] Figure 5 It is a use state diagram of the present application;

[0022] In the figure: 1 - submerged arc welding track, 2 - height adjusting screw, 3 - support pipe, 4 - connecting pipe, 5 - positioning rod, 6 - fastening screw, 7 - submerged arc welding machine placement flat plate, 8 - roller, 9 - track connecting rod, 10 - submerged arc welding machine, 11 - single cylinder. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Embodiment 1

[0025] In Figures 1 to 5The utility model discloses a schematic diagram of the utility model shows, a small diameter single cylinder submerged arc welding track, including submerged arc welding track, support pipe, height adjusting lead screw and adjustable length socket pin assembly. Two cross sections are L type's submerged arc welding track 1 both ends are equipped with the vertical height adjusting lead screw 2 of setting, is equipped with hollow support pipe 3 in the lower part of two submerged arc welding tracks, is opened with a plurality of through -holes on the both sides of support pipe, and adjustable length socket pin assembly is connected respectively in the both ends of support pipe, and adjustable length socket pin assembly includes connecting pipe and positioning rod. A plurality of through -holes are opened on the both sides of connecting pipe 4, and L type positioning rod 5 is fixed in one end of connecting pipe. The position distance between the adjacent through -hole of connecting pipe corresponds with the through -hole on the both sides of support pipe, and connecting pipe is placed in support pipe, and is connected through fastening screw 6. The opening direction of the positioning rod of two adjustable length socket pin assemblies is relatively arranged. The one end of submerged arc welding track is connected with the placement flat plate 7 of submerged arc welding machine, and the lower part of submerged arc welding machine placement flat plate is equipped with the gyro wheel 8. In order to guarantee the stability of two submerged arc welding tracks, two parallel submerged arc welding tracks are connected through track connecting rod 9.

[0026] The utility model in the use process, the submerged arc welding track is placed in the single cylinder 11 in the middle, uses height adjusting lead screw to adjust the levelness of submerged arc welding track, after the levelness of submerged arc welding track is adjusted, again adjustable length socket pin is pushed into single cylinder bottom in one end, and the wall thickness part of one side cylinder wall is clamped, and according to the length of single cylinder, the adjustable length socket pin of the other end is clamped to the wall thickness part of the other side single cylinder cylinder wall, finally, the submerged arc welding machine 10 placed on the placement flat plate of submerged arc welding machine is pushed to the submerged arc welding track and starts the welding work.

[0027] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. A small-diameter single-cylinder submerged arc welding track, mainly comprising a submerged arc welding track, a support tube, a height adjusting screw, and an adjustable length insertion pin assembly, characterized in that: Two L-shaped submerged arc welding tracks are equipped with vertically set height adjustment screws at both ends. Hollow support tubes are provided at the bottom of the two submerged arc welding tracks. Through holes are opened on both sides of the support tubes. Adjustable length plug pin assemblies are movably connected to both ends of the support tubes. The opening directions of the two adjustable length plug pin assemblies are set opposite to each other.

2. The small-diameter single-cylinder submerged arc welding track according to claim 1, characterized in that: The adjustable length insertion pin assembly includes a connecting tube and a positioning rod. Through holes are opened on both sides of the connecting tube, and an L-shaped positioning rod is fixed at one end of the connecting tube.

3. A small-diameter single-cylinder submerged arc welding track according to claim 1 or 2, characterized in that: The positional distance between adjacent through holes on the connecting pipe corresponds to the through holes on both sides of the support pipe. The connecting pipe is placed inside the support pipe and is movably connected by fasteners.

4. A small-diameter single-cylinder submerged arc welding track according to claim 1, characterized in that: One end of the submerged arc welding track is connected to the submerged arc welding machine placement plate, and the lower part of the submerged arc welding machine placement plate is equipped with rollers.

5. A small-diameter single-cylinder submerged arc welding track according to claim 1, characterized in that: Two parallel submerged arc welding tracks are connected by track connecting rods.