CN217096101U

CN217096101U - Welding device for welding small-sized special-shaped H-shaped steel

Info

Publication number: CN217096101U
Application number: CN202122933433.0U
Authority: CN
Inventors: 彭熙; 杨诚; 周宏明; 周邦杰
Original assignee: China Metallurgical Construction Engineering Group Co Ltd
Current assignee: China Metallurgical Construction Engineering Group Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-08-02
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a welding set for welding small-size special-shaped H shaped steel, including work platform, the automatic submerged arc welding machine of dolly formula and bracket, the automatic submerged arc welding machine of dolly formula is placed on work platform, and the automatic submerged arc welding machine below four corners of dolly formula is equipped with the pulley respectively, and along work platform length direction, work platform is last to be equipped with two tracks that correspond with the automatic submerged arc welding machine pulley of dolly formula, and the automatic submerged arc welding machine of dolly formula of being convenient for can reciprocating motion on the track, the bracket is placed in the automatic submerged arc welding machine of dolly formula one side for place and treat the small-size special-shaped H shaped steel of welding, thereby make the automatic submerged arc welding machine of dolly formula move the small-size special-shaped H shaped steel of in-process welding on the track. The welding device can effectively guarantee the welding quality of the small-sized special-shaped H-shaped steel, and is high in welding efficiency.

Description

Welding device for welding small-sized special-shaped H-shaped steel

Technical Field

The utility model belongs to the technical field of the building accessories processing, in particular to a welding set for welding small-size special-shaped H shaped steel.

Background

Modern buildings often need to process some small-size special-shaped H shaped steel in the work progress, for example need set up small-size special-shaped H shaped steel between the upper chord member and the lower chord member of truss, and the flange board and the crooked dysmorphism of taking place of corresponding end are stretched out to the both ends of small-size special-shaped H shaped steel web, then are connected with upper chord member and lower chord member respectively through the special-shaped web. At present, the conventional method is manual welding, the welding efficiency is low, and manpower is wasted, so how to rapidly process and manufacture the small-sized special-shaped H-shaped steel is a trouble of technicians in the field.

The web plate and the flange plate of the small special-shaped H-shaped steel are thin, so that when the web plate and the flange plate are welded, the size of a welding seam is small, if a large gantry submerged arc welding machine is used for welding, a large-diameter welding wire (phi = 3-5 mm) is generally used, and if the welding speed is regulated, the problem of overlarge size of the welding seam exists, the small H-shaped steel is easy to deform to a certain extent, and the small H-shaped steel is not qualified; if the welding speed is increased to ensure a reasonable weld size, the welding defects of incomplete penetration, slag inclusion and the like are easy to occur on the weld, and the welding quality is also influenced.

Disclosure of Invention

The aforesaid to prior art exists not enoughly, the utility model aims at providing a welding set for welding small-size special-shaped H shaped steel, this welding set can effectively guarantee the welding quality of small-size special-shaped H shaped steel, and welds efficiently.

The technical scheme of the utility model is realized like this:

the utility model provides a welding set for welding small-size special-shaped H shaped steel, includes work platform, dolly formula automatic submerged arc welding machine and bracket, dolly formula automatic submerged arc welding machine places on work platform, and dolly formula automatic submerged arc welding machine below four corners is equipped with the pulley respectively, along work platform length direction, is equipped with two tracks that correspond with dolly formula automatic submerged arc welding machine pulley on the work platform, is convenient for dolly formula automatic submerged arc welding machine can reciprocate on the track, the bracket is placed in one side of dolly formula automatic submerged arc welding machine for place the small-size special-shaped H shaped steel that treats welding, thereby makes dolly formula automatic submerged arc welding machine weld small-size special-shaped H shaped steel in the moving process on the track.

Further, the trolley type automatic submerged arc welding machine comprises a trolley main body, and a controller, a wire reel, a welding flux funnel, a welding gun contact tube and a mechanical arm which are arranged on the trolley main body, wherein the controller is used for adjusting welding parameters, the wire reel is used for placing welding wires, and the welding flux funnel is used for placing welding fluxes; the vertical support column that is equipped with in the dolly main part, support column upper end level are equipped with a supporting beam, controller and wire reel are fixed in a supporting beam one end, and robotic arm sets up at a supporting beam other end, just solder flux funnel and the electrically conductive mouth of welder set up on robotic arm, are convenient for remove along with robotic arm, the electrically conductive mouth of welding is convenient for weld small-size special-shaped H shaped steel placing on the bracket down, and the solder flux funnel exit end is connected with the pipe, the pipe free end is fixed on the electrically conductive mouth of welder, is convenient for apply the solder flux heap to treating the welding department.

Further, the working platform is composed of two I-shaped steels and a rectangular pipe horizontally arranged between the two I-shaped steels, the track is composed of two steel bars arranged on the upper surface of the rectangular pipe, and the two steel bars are embedded into pulleys on the left side and the right side of the trolley type automatic submerged arc welding machine, so that the trolley type automatic submerged arc welding machine can move back and forth along the track.

Furthermore, the bracket is composed of a plurality of support plates, all the support plates are vertically arranged on the ground on one side of the rectangular tube side by side at intervals along the longitudinal direction of the rectangular tube and are welded and fixed with the rectangular tube correspondingly, each support plate is provided with a V-shaped notch with an upward opening, and two sides corresponding to the V-shaped notches are vertical.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a bracket supports small-size special-shaped H shaped steel, adopts the automatic submerged arc welding machine of dolly formula to weld, compares and uses welder in the manual work to weld, the utility model discloses a mechanized operation can effectively reduce working strength and improve work efficiency, simultaneously, also can in time adjust the operating parameter of automatic submerged arc welding machine according to the welding seam condition of forming, has guaranteed welding quality.

Drawings

Fig. 1-the first structural diagram of the present invention.

Fig. 2-the schematic structural diagram of the present invention.

Wherein: 1-I-steel; 2-rectangular pipe; 3-a track; 4-a bracket; 5-small-sized special-shaped H-shaped steel; 6-a controller; 7-welding torch contact tip; 8-the trolley main body; 9-welding wires; 10-a mechanical arm; 11-a flux funnel; 12-a catheter; 13-wire reel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, the welding device for welding the small special-shaped H-shaped steel comprises a working platform, a trolley type automatic submerged arc welding machine and a bracket 4, wherein the trolley type automatic submerged arc welding machine is arranged on the working platform, pulleys are respectively arranged at four corners below the trolley type automatic submerged arc welding machine, two rails 3 corresponding to the pulleys of the trolley type automatic submerged arc welding machine are arranged on the working platform along the length direction of the working platform, the trolley type automatic submerged arc welding machine can conveniently move on the rails 3 in a reciprocating mode, the bracket 4 is arranged on one side of the trolley type automatic submerged arc welding machine and used for placing the small special-shaped H-shaped steel 5 to be welded, and therefore the trolley type automatic submerged arc welding machine can weld the small special-shaped H-shaped steel 5 in the moving process of the rails 3.

The flange plate and the web plate of the small-sized special-shaped H-shaped steel are machined and formed, then the upper flange plate and the lower flange plate are respectively fixed with the web plate in a spot welding mode in a manual welding mode and then placed on a bracket, then a trolley type automatic submerged arc welding machine moves on the rail so as to weld one side of the flange plate and the web plate of the small-sized special-shaped H-shaped steel, when the other side of the flange plate needs to be turned over to weld the other side of the flange plate, two clamps are used for clamping the flange plate at one end of the small-sized special-shaped H-shaped steel, the small-sized special-shaped H-shaped steel is lifted by a motor and then is lightly placed on the bracket, when the flange plate at the other end of the small-sized special-shaped H-shaped steel falls and contacts the bracket, the small-sized special-shaped H-shaped steel is turned over and then embedded on the bracket, the turning over process is completed, and then the welding process is repeated, and the welding of the welding seam is completed.

The trolley type automatic submerged arc welding machine is adopted to weld the small-sized special-shaped H-shaped steel, the trolley type automatic submerged arc welding machine is adopted to commonly use a small-diameter welding wire (phi = 1.6-2 mm), the problem that the welding quality of the small-sized special-shaped H-shaped steel is influenced due to overlarge size of a welding line is avoided, an operator can realize real-time control over the trolley type automatic submerged arc welding machine according to the welding condition, the operation parameters of the automatic submerged arc welding machine are timely adjusted according to the welding line forming condition, and the welding quality is guaranteed. Compared with manual welding, the mechanical operation is realized, the working strength can be effectively reduced, and the working efficiency can be improved.

In specific implementation, the trolley type automatic submerged arc welding machine comprises a trolley main body 8, and a controller 6, a wire reel 13, a flux funnel 11, a welding gun contact tip 7 and a mechanical arm 10 which are arranged on the trolley main body 8, wherein the controller 6 is used for adjusting welding parameters, the wire reel 13 is used for placing welding wires, and the flux funnel 11 is used for placing fluxes; the vertical support column that is equipped with on the dolly main part 8, support column upper end level are equipped with a supporting beam, controller 6 and wire reel 13 are fixed in a supporting beam one end, and robotic arm 10 sets up at a supporting beam other end, just solder flux funnel 11 and welder contact tube 7 set up on robotic arm 10, are convenient for remove along with robotic arm 10, welding contact tube 7 is convenient for weld small-size special-shaped H shaped steel placing on the bracket down, and 11 exit end of solder flux funnel are connected with pipe 12, pipe 12 free end is fixed on welder contact tube 7, is convenient for lay the solder flux to wait to weld the department.

During welding, an operator firstly horizontally puts the small special-shaped H-shaped steel 5 on the bracket, then slides the trolley main body to the position according to the initial position of the welding seam of the small special-shaped H-shaped steel, adjusts the mechanical arm 10, adjusts the welding gun contact nozzle to the position above the welding seam, and controls the dry extension of the welding wire 9; then, an operator uniformly deposits granular flux to the position to be welded of a welding seam from a flux hopper through a guide pipe, reasonable welding parameters (welding speed, wire feeding speed, welding current and the like) are input on a controller 6, a trolley main body 8 slides on a rail, a welding wire disc 13 feeds a welding wire 9 into a welding zone through a welding gun contact nozzle 7, the welding wire 9 and a base metal are heated along with the combustion of an electric arc generated under the welding gun contact nozzle 7, the electric arc heat enables the welding wire, the flux and the base metal to be partially melted and partially evaporated, metal steam, flux steam and gas separated out in the metallurgical process form a cavity around the electric arc, and the melted flux forms a slag shell on the upper part of the cavity. After the four welding seams are welded, after the four welding seams are cooled for a short time, an operator shovels away the slag shells on the surfaces of the welding seams by using the steel bars, processes the small special-shaped H-shaped steel, and then sends the small special-shaped H-shaped steel into a specified area by using a motor to store the small special-shaped H-shaped steel.

When the automatic submerged arc welding machine is specifically implemented, the working platform is composed of two I-shaped steels 1 and a rectangular pipe 3 horizontally arranged between the two I-shaped steels 1, the track 3 is composed of two steel bars arranged on the upper surface of the rectangular pipe 2, and the two steel bars are embedded into pulleys on the left side and the right side of the automatic submerged arc welding machine so that the automatic submerged arc welding machine can reciprocate along the track 3.

The specification of the rectangular tube in the embodiment is 400 × 10mm, and in order to ensure the operation reasonability and comfort of an operator when processing a component and observe a welding seam in the operation process, the height of the working platform in the embodiment is not less than 1 meter.

During specific implementation, the bracket 4 is composed of a plurality of supporting plates, all the supporting plates are vertically arranged on the ground on one side of the rectangular tube 2 at intervals side by side along the longitudinal direction of the rectangular tube 2 and are welded and fixed correspondingly to the rectangular tube 2, a V-shaped notch with an upward opening is arranged on each supporting plate, and two sides corresponding to the V-shaped notches are vertical.

The backup pad adopts delta =20 steel sheet processing to make in this embodiment, and it can be known from the picture that there are two backup pads in this embodiment, and the backup pad sets up subaerial and corresponds the side welded fastening with the square tube, and the both sides that the V-arrangement breach corresponds are perpendicular, and the V-arrangement breach is a right angle breach promptly, makes small-size special-shaped H shaped steel can stably place on the bracket like this, and the operating personnel of being convenient for operate and observe.

Finally, it should be noted that the above-mentioned embodiments of the present invention are only examples for illustrating the present invention, and are not limitations to the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.

Claims

1. The welding device for welding the small special-shaped H-shaped steel is characterized by comprising a working platform, a trolley type automatic submerged arc welding machine and a bracket, wherein the trolley type automatic submerged arc welding machine is placed on the working platform, pulleys are respectively arranged at four corners below the trolley type automatic submerged arc welding machine, two rails corresponding to the pulleys of the trolley type automatic submerged arc welding machine are arranged on the working platform along the length direction of the working platform, the trolley type automatic submerged arc welding machine can conveniently move on the rails in a reciprocating mode, and the bracket is placed on one side of the trolley type automatic submerged arc welding machine and used for placing the small special-shaped H-shaped steel to be welded, so that the trolley type automatic submerged arc welding machine can weld the small special-shaped H-shaped steel in the moving process on the rails.

2. The welding device for welding the small-sized special-shaped H-shaped steel according to claim 1, wherein the trolley type automatic submerged arc welding machine comprises a trolley main body, and a controller, a wire reel, a flux funnel, a welding gun contact tip and a mechanical arm which are arranged on the trolley main body, wherein the controller is used for adjusting welding parameters, the wire reel is used for placing welding wires, and the flux funnel is used for placing flux; the vertical support column that is equipped with in the dolly main part, support column upper end level are equipped with a supporting beam, controller and wire reel are fixed in a supporting beam one end, and robotic arm sets up at a supporting beam other end, just solder flux funnel and the electrically conductive mouth of welder set up on robotic arm, are convenient for remove along with robotic arm, the electrically conductive mouth of welding is convenient for weld small-size special-shaped H shaped steel placing on the bracket down, and the solder flux funnel exit end is connected with the pipe, the pipe free end is fixed on the electrically conductive mouth of welder, is convenient for apply the solder flux heap to treating the welding department.

3. The welding device for welding small special-shaped H-shaped steel according to claim 2, wherein the working platform is composed of two I-shaped steels and a rectangular pipe horizontally arranged between the two I-shaped steels, the track is composed of two steel bars arranged on the upper surface of the rectangular pipe, and the two steel bars are embedded into pulleys on the left side and the right side of the trolley type automatic submerged arc welding machine so that the trolley type automatic submerged arc welding machine can reciprocate along the track.

4. The welding device for welding the small-sized special-shaped H-shaped steel according to claim 3, wherein the bracket is composed of a plurality of support plates, all the support plates are vertically arranged on the ground at one side of the rectangular tube side by side at intervals along the longitudinal direction of the rectangular tube and are welded and fixed correspondingly to the rectangular tube, each support plate is provided with a V-shaped notch with an upward opening, and two corresponding sides of the V-shaped notch are vertical.