Movable tubular pile gas shielded welding windproof cover

Abstract

The utility model discloses a movable tubular pile gas shielded welding windshield which comprises a radius adjusting cover and a perimeter adjusting block, the radius adjusting cover is of an arc-shaped structure, the inner ring of the radius adjusting cover is attached and adsorbed to the circumferential outer wall of a tubular pile, and the outer ring of the radius adjusting cover is symmetrical and is connected with a welding gun rod in an elastic tensioning mode. Perimeter adjusting blocks are telescopically inserted into two circumferential end surfaces of the arc-shaped structure of the radius adjusting cover. The windproof cover is used for covering and protecting the flame of the welding gun, can adaptively adjust the local covering radius and arc length according to the diameter of a pipe pile, can move along with the movement of the welding gun, and is simple in structure and easy to implement.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field especially relates to a movable pipe pile gas shielded welding wind shield. BACKGROUND

[0002] In modern bridge engineering, in the steel pipe pile welding operation, the too large wind speed is easy to produce the welding defect, especially in the offshore or high operation platform, and it is particularly important to take necessary windproof measures in the welding process.

[0003] The traditional steel structure pipe pile carbon dioxide shielded welding pile construction windproof method is that before pipe pile welding, adopts the windbreak screen to close around the welding operation platform, the frame body adopts the reinforcement or the steel pipe welding forming, the windbreak screen surface adopts the fireproof cloth to cover, surrounds the pipe pile welding platform, provides the more windproof welding space for the welding personnel. But because the windbreak screen volume is big, needs manual installation before welding, the manual use amount is big, the cost is high, and the efficiency is low. After setting the windbreak screen, the worker operation space is limited, and because the windbreak screen is limited in the range of the enclosure, cannot effectively completely enclose the welding site, and the windproof effect is not good, the upper side still has the wind and directly acts on the welding torch flame, influences the welding. Especially the existing windproof measure cannot completely satisfy the demand of the large bridge operation on the sea, therefore, developing a kind of movable simple pipe pile gas shielded welding wind shield has important practical significance. CONTENT OF UTILITY MODEL

[0004] The utility model aims at solving the prior art's insufficient, provides a kind of movable pipe pile gas shielded welding wind shield, the wind shield is covered to the welding torch flame place and is protected, can be adjusted local covering radius and arc length according to pipe pile diameter self-adapting, and can move along with welding torch movement, and simple structure, easy to realize.

[0005] A kind of movable pipe pile gas shielded welding wind shield of the utility model, including radius adjustment cover and perimeter adjustment block, wherein the radius adjustment cover is arc structure, the inner circle of this radius adjustment cover is attached and adsorbed on the circumferential outer wall of pipe pile, the outer circle of radius adjustment cover is symmetric and elastically tensioned and connected welding torch rod, and the two circumferential end faces of radius adjustment cover arc structure are telescopic and connected perimeter adjustment block.

[0006] Preferably, the middle part of the radius adjusting cover is provided with a welding port for accommodating the penetration of a welding gun, the convex arc surface of the radius adjusting cover is fixedly hung with tension springs on both sides, and the radius adjusting cover is a split structure composed of multiple U-shaped shells which are connected in sequence by horizontal hinges, each U-shaped shell is buckled on the outer periphery of the pipe pile, and the two parallel side walls of each U-shaped shell are fixedly provided with magnets which are adsorbed on the outer circumferential wall of the pipe pile and provide radial restraint force for the radius adjusting cover; the two parallel side walls of adjacent U-shaped shells are alternatively provided with single-plate and double-plate interfitting structures, one side wall of one U-shaped shell is provided with a single-plate structure, and the side wall of the adjacent U-shaped shell is provided with a double-plate structure which is spaced from each other and accommodates the insertion of the single-plate structure.

[0007] Preferably, the circumference adjusting block is an integral arc structure made of hard material, the circumference adjusting block is telescopically inserted on the two circumferential end faces of the radius adjusting cover, and a plurality of positioning slots are formed in the convex arc surface of the circumference adjusting block.

[0008] Preferably, a plurality of insertion blocks are radially movably inserted on the inner wall of the convex arc surface of the radius adjusting cover, the insertion blocks are inserted into the positioning slots of the circumference adjusting block, so as to fix the circumference adjusting block on both ends of the radius adjusting cover.

[0009] Preferably, a plurality of lock pins are axially inserted on the outer wall of the convex arc surface of the radius adjusting cover, the lock pins movably press the insertion blocks to limit the insertion of the insertion blocks into the slots.

[0010] Compared with the related art, the movable pipe pile gas shielded welding wind shield has the following beneficial effects:

[0011] The movable pipe pile gas shielded welding wind shield is composed of multiple U-shaped shells which are connected in sequence by hinges, the open end of each U-shaped shell is buckled on the outer wall of the pipe pile and provides adsorption force through the magnets, the single-plate and double-plate shielding structures of the side walls of the multiple U-shaped shells realize the wind shielding of the axial end face of the wind shield, and the single-plate is rotatably inserted into the gap between the double-plates to avoid the mutual position interference of the side walls of the adjacent U-shaped shells when the radius of the pipe pile is small, so as to realize the adjustment of the shielding radius of the wind shield.

[0012] In addition, one end of the tension spring is symmetrically hung on both sides of the welding gun, and the other end is symmetrically hung on the circumferential outer wall of the radius adjusting cover, so that the whole wind shield moves with the circumferential movement of the welding gun nozzle on the pipe pile.

[0013] Finally, the circumference adjusting block is telescopically adjusted and inserted into the U-shaped shells at both ends of the wind shield through the cooperation of the slots and the insertion blocks, and the insertion blocks are fixed in the slots through the lock pins, so as to realize the adjustment of the shielding arc length of the whole wind shield. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the single board and double board plug-in structure schematic diagram of the U-shaped shell side wall in the utility model (magnet is not shown);

[0016] Figure 3 It is the structure schematic diagram of the circumference adjusting block in the utility model;

[0017] In the drawing: 1-circumference adjusting block; 2-lock pin; 3-welding gun rod; 4-sleeve; 5-tension spring; 6-welding interface; 7-hinge; 8-insert block; 9-magnet; 10-radius adjusting cover; 11-U-shaped shell; 12-insert slot; 13-single board; 14-double board. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings and embodiments.

[0019] The utility model discloses a movable pipe pile gas shielded welding wind shield, including radius adjusting cover 10 and circumference adjusting block 1, wherein the radius adjusting cover is arc structure, the inner ring of the radius adjusting cover is attached and adsorbed on the circumferential outer wall of pipe pile, the outer ring of the radius adjusting cover is symmetrical and elastically tensioned and connected welding gun rod 3, and the two circumferential end faces of the arc structure of the radius adjusting cover are telescopic and connected with the circumference adjusting block.

[0020] Preferably, the middle part of the radius adjusting cover is provided with a welding interface 6 for accommodating the welding gun, and the convex arc surfaces of the radius adjusting cover are fixedly connected with tension springs 5 on both sides, and the radius adjusting cover is a disassembled structure composed of a plurality of U-shaped shells 11 hingedly connected in sequence.

[0021] Preferably, the circumference adjusting block is an integral arc structure made of hard material, which is telescopically connected to the two circumferential end faces of the radius adjusting cover, and a plurality of positioning insert slots 2 are formed in the convex arc surface of the circumference adjusting block.

[0022] Preferably, a plurality of insert blocks 8 are radially movably connected to the inner wall of the convex arc surface of the radius adjusting cover, which are connected to the positioning insert slots of the circumference adjusting block to fix the circumference adjusting block at both ends of the radius adjusting cover.

[0023] Preferably, a plurality of lock pins 2 are axially connected to the outer wall of the convex arc surface of the radius adjusting cover, which are movably connected to the insert blocks to limit the insert blocks to be inserted into the insert slots.

[0024] In addition, the utility model discloses preferably, the U-shaped shell inside of radius adjustment cover both ends is provided with the limiting slot, the plug that resets the spring is embedded in this limiting slot, and the plug protrudes the radius adjustment cover upwards in the non -use state, and when using, press down to the plug -in slot and by the lock pin sheltered plug top, or insert the plug -in slot inside to be in -row limiting plug, at this time, the plug bottom is inserted into the plug -in slot, and this realizes the relative fixation of the circumference adjusting block of radius adjustment cover both ends, and this connection mode can adopt the mature technical means in prior art.

[0025] In addition, the utility model discloses preferably, in actual engineering, can be as Figure 1 The sleeve 4 is slidably arranged on the welding gun rod, and the spring is symmetrically welded on the two sides of the sleeve. This connection mode is more convenient for replacing the welding gun rod, and does not affect the movement of the wind shield with the welding gun rod.

[0026] In addition, the utility model discloses preferably, to avoid the position interference of the magnet when the single board is inserted into the double board, as Figure 2 The magnet is fixed on the inner wall of the double board facing the middle cavity of the U-shaped shell, so that the single board is not blocked by the magnet when being inserted into the double board.

[0027] In order to more clearly describe the specific embodiment of the utility model, an embodiment is provided as follows:

[0028] The working steps of the movable pipe pile gas shielded welding wind shield of the utility model are as follows:

[0029] During construction, the radius adjustment cover is first stretched and buckled to the circumferential outer wall of the weld position of the pipe pile, so that the welding joint is aligned with the weld. Then, the extension amount of the circumference adjusting block is adjusted by plugging at both ends of the radius adjustment cover. After adjustment, the plug is locked into the plug-in slot through the lock pin. Finally, the welding gun rod is inserted into the sleeve, and the welding gun rod nozzle is aligned with the weld for welding processing. During the welding process, the welding gun rod moves, and the moving force is transmitted to the radius adjustment cover through the spring, so that the radius adjustment cover moves with the welding gun rod and performs real-time wind protection.

[0030] Finally, the utility model discloses the mature products and mature technical means in prior art are used for the rest.

[0031] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model. Any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A portable pipe pile gas shielded arc welding wind shield, characterized by: The radius adjusting cover is an arc structure, the inner circle of the radius adjusting cover is attached to the outer wall of the pipe pile, the outer circle of the radius adjusting cover is symmetrically and elastically tensioned to connect the welding gun rod, and the two circumferential end faces of the arc structure of the radius adjusting cover are telescopic and connected to the circumference adjusting block.

2. A portable pipe pile gas shielded arc welding wind shield according to claim 1, wherein: The middle part of the radius adjusting cover is provided with a welding port for accommodating the welding gun, the convex arc surface of the radius adjusting cover is fixedly connected with a tension spring on both sides, the radius adjusting cover is a plurality of U-shaped shells connected in sequence by horizontal hinges, each U-shaped shell is buckled on the outer periphery of the pipe pile, and each U-shaped shell is provided with a magnet for attaching to the outer wall of the pipe pile and providing radial constraint force for the radius adjusting cover; the two parallel side walls of adjacent U-shaped shells are alternately connected by single and double plate structures, one side wall of one U-shaped shell is a single plate structure, and the side wall of the adjacent U-shaped shell is a double plate structure for accommodating the single plate structure.

3. A portable gas shielded pipe pile welding wind shield according to claim 1, characterized in that: The circumference adjusting block is an integral arc structure made of hard material, the circumference adjusting block is telescopic and connected to the two circumferential end faces of the radius adjusting cover, and a plurality of positioning slots are formed in the convex arc surface of the circumference adjusting block.

4. A portable gas shielded pipe pile welding wind shield according to claim 3, characterized in that: A plurality of plug blocks are radially movably connected to the inner wall of the convex arc surface of the radius adjusting cover, the plug blocks are connected to the positioning slots of the circumference adjusting block, and the circumference adjusting block is fixedly connected to the two ends of the radius adjusting cover.

5. A portable gas shielded pipe pile welding wind shield according to claim 4, characterized in that: A plurality of lock pins are axially connected to the outer wall of the convex arc surface of the radius adjusting cover, the lock pins are movably connected to the plug blocks, and the plug blocks are limitedly connected to the inside of the slots.

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