A method for welding a curtain wall keel during construction

Abstract

The application discloses a welding fire connecting method in a curtain wall keel construction process, which is used for welding slag receiving of electric welding worker station arranged in an electric construction basket. The application adopts a fire connecting device hung on the electric construction basket to receive electric welding slag. The fire connecting device comprises a plastic fire connecting pocket, an electric construction basket hanging assembly and a fire blocking rod, and comprises the following steps: S1, connection of the electric construction basket hanging assembly and the electric construction basket; S2, plastic fire connecting pocket adjustment; S3, fire blocking rod insertion; S4, welding and fire connecting; and S5, layer changing dismounting. According to the specific form of the space below the welding, the shape, size and up-down position of the fire connecting pocket can be adjusted according to the actual space in the construction site, so that the working efficiency and construction safety of the curtain wall keel installation of the building engineering can be improved.

Description

Technical Field

[0001] This invention relates to the field of curtain wall keel installation technology in building engineering, and in particular to a safe construction technology for welding workers to perform welding in an electric construction scaffold, specifically a welding connection method during the construction of curtain wall keels. Background Technology

[0002] During the installation of curtain wall keel in building construction, welders often work inside electric construction scaffolds. Fires frequently occur due to the falling high-temperature welding slag igniting waterproofing and insulation materials on the ground and basement exterior walls, as well as construction waste within the slag heap, posing a significant threat to the lives and property of construction workers. Therefore, it is necessary to install combined fire-fighting equipment to effectively catch falling welding slag and prevent construction fires.

[0003] Currently, for ease of operation, the most common method for catching molten slag during curtain wall keel welding is to use a sheet metal catching bucket, suspended below the welding point by lead wire or steel wire rope. There are also some more complex catching devices, but due to high manufacturing costs or operational limitations, they are not widely used.

[0004] The existing welding slag collection equipment has the following shortcomings: 1) The welding space below the curtain wall keel and its wall ties is irregularly shaped, making it difficult for the welding slag collection bucket to adapt to irregular spaces, resulting in large gaps. 2) Installation is inconvenient; the mounting points are difficult to find and install, and the welding slag collection bucket needs to be disassembled and reinstalled after each floor of welding is completed, which is not only troublesome but also poses safety risks to workers installing and disassembling at heights. 3) The area of ​​the welding slag collection bucket is too small compared to the area of ​​welding slag spatter, and it cannot catch all the spatter. Increasing the area of ​​the welding slag collection bucket would make it even heavier. 4) Welding slag is prone to rebound within the welding slag collection bucket. Summary of the Invention

[0005] In view of the above-mentioned deficiencies, the purpose of this invention is to provide a welding slag collection method during the construction of curtain wall keel, applicable to the welding and installation of curtain wall keel in building engineering, where welders stand inside an electric construction scaffold to collect welding slag. This invention achieves its objective through the following technical solution: A welding slag collection method is disclosed during the construction of a curtain wall keel. The welding station is located inside an electric construction scaffold, and a slag collection device mounted on the scaffold is used to collect the weld slag. The slag collection device includes a malleable slag collection sleeve, an electric construction scaffold mounting assembly, and a fire-resistant rod. The malleable slag collection sleeve is composed of a frame and a high-temperature fireproof cloth below the frame. The frame is composed of a malleable frame and a straight frame. The malleable frame is a gooseneck tube, and the straight frame includes at least six stainless steel tubes. The first and second stainless steel tubes are connected to both ends of the gooseneck tube, respectively. The fifth and sixth stainless steel tubes are connected to the electric construction scaffold mounting assembly. A third stainless steel tube and a diamond-shaped hinge connect the first and fifth stainless steel tubes, and a fourth stainless steel tube connects the second and sixth stainless steel tubes. The system comprises a steel pipe and a diamond-shaped hinge; at least two saddle clamps are installed on the gooseneck pipe, and magnetic suction cup bolts are connected to the saddle clamps; the electric construction basket mounting assembly consists of two C-shaped clamps, two long-hole sliding plates, two cross clamps, and an adjusting horizontal frame; the two C-shaped clamps are horizontally parallel and set at the same height, the two long-hole sliding plates are vertically set and parallel, each C-shaped clamp is fixedly connected to the top of a long-hole sliding plate by bolts, the adjusting horizontal frame is set perpendicular to the two long-hole sliding plates, and is connected to the sliding grooves of the two long-hole sliding plates by cross clamps and bolts; a 7-shaped bolt is provided at the lower end of the sliding groove of the long-hole sliding plate; the two ends of the adjusting horizontal frame are respectively connected to the fifth section of stainless steel pipe and the sixth section of stainless steel pipe by parallel clamps, so that the malleable fire catcher can be rotated upward and downward with the adjusting horizontal frame as the pivot; the fire baffle is made of an elliptical aluminum alloy tube as the core and wrapped with a high-silica fireproof blanket; The welding process includes the following steps: S1. Connection between the electric construction scaffold mounting assembly and the electric construction scaffold: Fix the C-clamp to the upper part of the guardrail of the electric construction scaffold; hook the 7-shaped bolt at the lower end of the long hole slide plate into the lower part of the guardrail of the electric construction scaffold. S2. Adjustment of the malleable fire-receiving bag: Flip the malleable fire-receiving bag to the horizontal position and adjust the frame according to the specific shape of the fire-receiving space. Bend the malleable frame into the required irregular frame and insert it between the keel. Then, use the magnet on the magnetic suction cup bolt to magnetically fix it to the keel of the curtain wall. S3. Fireproof bar insertion: Insert the fireproof bar horizontally into the back of the keel, and use the part of the malleable frame inserted into the back of the keel as support to block the gap between the keel and the wall or beam. S4. Welding and ignition: Welding begins, and the molten slag is collected using a malleable ignition catcher. S5. Disassembly and layer replacement: After the first layer of welding is completed, remove the fire baffle, loosen the magnetic suction cup bolts, flip the malleable fire-receiving bag up to the vertical position, and raise or lower the electric construction scaffold to the new welding layer.

[0006] Further optimization involves covering the gooseneck tube with a high-silica fiber blanket and a fireproof sleeve.

[0007] Furthermore, the first section of stainless steel pipe, the second section of stainless steel pipe, and the gooseneck pipe are all connected by double pipe clamps.

[0008] Furthermore, the first and third stainless steel pipes, as well as the second and fourth stainless steel pipes, are connected by cross clamps.

[0009] Furthermore, the saddle clamp is provided with four clamps, and each saddle clamp is provided with two magnetic suction cup bolts, one above the other.

[0010] Furthermore, the frame is bonded to the high-temperature fireproof cloth by self-adhesive fireproof tape or connected by an open ring.

[0011] Furthermore, the cross clamp is a rectangular parallelepiped with clamp through holes on its two perpendicular faces. After inserting the rod, it can be secured with bolts.

[0012] Furthermore, the parallel clamp is a long-spacing parallel clamp with a flat rectangular shape, and circular clamping holes are provided at both ends in the same direction. After the rod is inserted, it can be fixed and clamped with bolts. The hole diameter is 10mm and the length is 44mm.

[0013] The advantages and beneficial effects of this invention are: 1. The shape of the welding catcher of this invention can be changed. Depending on the specific shape of the space below the welding, the gooseneck tube can be bent into various shapes such as convex and concave, U-shaped, and C-shaped according to the actual space and size on the construction site, so that the welding catcher is completely suitable for the welding environment.

[0014] 2. This invention allows for adjustment of the size of the slag catcher. During welding, molten slag will splash at different angles and distances. The slag catcher needs to increase its contact area, especially in the left-right direction. In this invention, the gooseneck tube can be extended arbitrarily. Parallel clamps and cross clamps can connect the gooseneck tube to diamond hinges and stainless steel tubes in parallel and at right angles, and the length and width can be easily adjusted.

[0015] 3. The gooseneck pipe is wrapped with a fireproof blanket and pressed tightly against the keel. An oval fire baffle is used to block the gap between the keel and the beam or wall (the gap size is different due to construction deviations, so an oval baffle is used) to achieve seamless fire connection.

[0016] 4. The fireproof cloth of the fire catcher and the fireproof fiber blanket on the surface of the fire baffle effectively controlled the "rebound" of molten slag.

[0017] 5. The fire-receiving jack can be adjusted in height along the long-hole sliding plate, which can adapt to the construction environment of keel, embedded parts, steel structure beams, etc., and can also achieve the fire-receiving effect.

[0018] 6. When mounted on an electric construction scaffold, it can be tilted up and down, which reduces the need for repeated disassembly and reassembly of the fire catcher and does not affect the raising and lowering of the electric construction scaffold, thus improving construction efficiency.

[0019] 7. When the electric construction scaffold is suspended in mid-air, it may sway horizontally by approximately 100-200 mm due to wind and worker movement, affecting the fixation of the fire catcher. To address this, a long-distance parallel clamp with large holes is used to connect the front frame of the fire catcher to the adjusting cross frame, allowing the electric construction scaffold a certain amount of free movement in the lateral direction. The diamond-shaped hinges on the left and right frames further compensate for the forward and backward swaying of the scaffold, thus preventing the magnetically attached fire catcher from detaching due to the swaying of the electric construction scaffold or repeated pulling.

[0020] 8. All component materials can be reused, reducing construction costs.

[0021] 9. Fireproof materials and hardware are readily available, and fire catchers can be manufactured in a standardized manner, making them widely applicable. Attached Figure Description

[0022] The invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 is a schematic diagram of the overall assembly of the fire-receiving device of the present invention; Figure 2 shows the assembly diagram (front) of the malleable fire catcher and the electric construction scaffold hanging components. Figure 3 is a schematic diagram of the structure of the malleable fire-fighting basket frame and the electric construction scaffold mounting components. Figure 4 is a schematic diagram of the C-shaped clamp structure; Figure 5 This is a schematic diagram of a long-hole slide plate structure; Figure 6 This is a schematic diagram of the cross clamp structure; Figure 7 This is a schematic diagram of a parallel clamp structure; Figure 8 This is a schematic diagram of the saddle clamp structure.

[0024] 1. C-type clamp; 2. Long-hole sliding plate; 3. Cross clamp; 4. Parallel clamp; 5. Double pipe clamp; 61. First section of stainless steel pipe; 62. Second section of stainless steel pipe; 63. Third section of stainless steel pipe; 64. Fourth section of stainless steel pipe; 65. Fifth section of stainless steel pipe; 66. Sixth section of stainless steel pipe; 7. Diamond hinge; 8. Saddle clamp; 9. Magnetic suction cup bolt; 10. Molded frame; 11. L-shaped bolt; 12. Adjustable cross frame; 13. Fireproof bar; 14. Electric construction scaffold; 15. Keel; 16. Fireproof cloth. Detailed Implementation

[0025] Example 1: A welding method for curtain wall keel construction, wherein the welding station is set up inside an electric construction scaffold, such as... Figure 1 As shown, a fire-receiving device mounted on an electric construction scaffold 14 is used to receive welding slag; the fire-receiving device includes a malleable fire-receiving bag, an electric construction scaffold mounting assembly, and a fire-blocking rod 13.

[0026] like Figure 2 As shown, the malleable fire-catching bag is composed of a frame and a high-temperature resistant fireproof cloth 16 connected below the frame, as... Figure 3 As shown, the frame is bonded to the high-temperature fireproof cloth via self-adhesive fireproof tape or connected via an open ring (a curtain-style connection, which facilitates adjustment of the fire catcher size). The frame consists of a malleable frame 10 connected to a straight frame. The malleable frame 10 is a gooseneck tube, covered with a high-silica fiber blanket and a fireproof sleeve. The straight frame includes at least six stainless steel tubes; the first stainless steel tube 61 and the second stainless steel tube 62 are respectively connected to both ends of the gooseneck tube, the fifth stainless steel tube 65 and the sixth stainless steel tube 66 are connected to the electric construction scaffold mounting assembly, the first stainless steel tube 61 and the fifth stainless steel tube 65 are connected by a third stainless steel tube 63 and a diamond hinge 7, and the second stainless steel tube 62 and the sixth stainless steel tube 66 are connected by a fourth stainless steel tube 64 and a diamond hinge 7; at least two saddle clamps 8 are installed on the gooseneck tube. Figure 8 The saddle clamp 8 is connected to a magnetic suction cup bolt 9; the two ends of the saddle clamp 8 can be respectively inserted into the magnetic suction cup bolt 9.

[0027] like Figure 3 As shown, the electric construction scaffold mounting assembly consists of two C-type clamps 1 ( Figure 4 ), two elongated groove plates 2 ( Figure 5 ), two cross clamps 3 ( Figure 6 The device consists of a cross-shaped fire catcher and an adjusting horizontal frame 12. Two C-shaped clamps 1 are horizontally parallel and at the same height. Two elongated sliding plates 2 are vertically arranged and parallel. Each C-shaped clamp 1 is fixedly connected to the top of an elongated sliding plate 2 by bolts. The adjusting horizontal frame 12 is perpendicular to the two elongated sliding plates 2 and connected to their sliding grooves via a cross clamp 3 and bolts. A 7-shaped bolt 11 is provided at the lower end of the sliding groove of the elongated sliding plate 2. The two ends of the adjusting horizontal frame 12 are connected to the fifth section of stainless steel pipe 65 and the sixth section of stainless steel pipe 66 respectively via parallel clamps 4, allowing the malleable fire catcher to rotate upwards and downwards using the adjusting horizontal frame 12 as a pivot. The cross clamp 3 is a cuboid with clamp through holes on its two perpendicular faces. After inserting a rod, it can be clamped securely with bolts. The parallel clamp 4 is a long-spacing parallel clamp of a flat cuboid, with circular clamp through holes on both ends in the same direction. After inserting a rod, it can be clamped securely with bolts. The aperture is 10mm and the length is 44mm.

[0028] The fire-resistant rod 13 has an elliptical aluminum alloy tube as its core and is wrapped with a high-silica fireproof blanket. The welding process includes the following steps: S1. Fix the C-type clamp 1 to the left and right sides of the upper horizontal frame of the guardrail of the electric construction scaffold 14; and hang the 7-shaped bolt 11 at the lower end of the slide of the long hole slide plate 2 to the left and right sides of the lower horizontal frame of the guardrail of the electric construction scaffold 14. S2. Flip the malleable fire-receiving basket to the horizontal position, and adjust the frame according to the specific shape of the space formed between the fire-receiving space basket and the wall and keel. Bend the malleable frame 10 into the required irregular frame and insert it between the keels 15, and fix it to the keel 15 of the curtain wall by magnetic attraction through the magnet on the magnetic suction cup bolt 9. S3. Insert the fire baffle 13 horizontally into the rear of the keel 15, and use the part of the malleable frame 10 inserted into the rear of the keel 15 as support to block the gap between the keel 15 and the wall or beam. S4. Begin welding and collect the molten welding slag using a malleable slag catcher. S5. After the first layer of welding is completed, remove the fire baffle 13, loosen the magnetic suction cup bolt 9, flip the malleable fire-receiving bag up to the vertical position, and raise or lower the electric construction basket 14 to the new welding layer.

[0029] In this embodiment, the first stainless steel pipe 61, the second stainless steel pipe 62, and the gooseneck pipe are all connected by double pipe clamps 5. The first stainless steel pipe 61 and the third stainless steel pipe 63, and the second stainless steel pipe 62 and the fourth stainless steel pipe 64 are connected by cross clamps 3. Four saddle clamps 8 are provided, and each saddle clamp 8 is provided with two upper and lower magnetic suction cup bolts 9.

[0030] The gooseneck tube, acting as a malleable frame, can be bent into convex or concave shapes, or into irregular shapes such as U-shapes or C-shapes, and inserted into the irregular fire-receiving space below the welded keel and embedded parts. In this embodiment, the gooseneck tube is manufactured with internal threads or bolts at the factory, allowing for arbitrary length extension. A high-silica fiber blanket and fireproof sleeve are wrapped around the gooseneck tube of the malleable frame, providing a tight seal against the keel (galvanized square tube) and eliminating gaps. Furthermore, in this embodiment, eight magnets are connected to the four distributed saddle tube clamps, which attract the galvanized square tube of the keel, thus achieving rapid fixation of the fire-receiving bag.

[0031] After the front frame of the malleable fire catcher is connected to the adjusting cross frame through a long-distance parallel clamp with a large hole, the malleable fire catcher can be hung with the electric construction scaffold.

[0032] Finally, it should be noted that the above description is only used to illustrate the technical solutions of the present invention and is not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A welding method for curtain wall keel construction, wherein the welding station is located inside an electric construction scaffold, characterized in that: A fire-receiving device mounted on an electric construction scaffold (14) is used to receive welding slag; the fire-receiving device includes a malleable fire-receiving bag, an electric construction scaffold mounting assembly, and a fire-blocking rod (13). The malleable fire catcher is composed of a frame and a high-temperature fireproof cloth (16) below the frame. The frame is composed of a malleable frame (10) and a straight frame. The malleable frame (10) is a gooseneck tube. The straight frame includes at least 6 sections of stainless steel tubes. The first section of stainless steel tube (61) and the second section of stainless steel tube (62) are respectively connected to the two ends of the gooseneck tube. The fifth section of stainless steel tube (65) and the sixth section of stainless steel tube (66) are connected to the electric construction basket mounting assembly. The first section of stainless steel tube (61) and the fifth section of stainless steel tube (65) are connected by a third section of stainless steel tube (63) and a diamond hinge (7). The second section of stainless steel tube (62) and the sixth section of stainless steel tube (66) are connected by a fourth section of stainless steel tube (64) and a diamond hinge (7). At least two saddle clips (8) are installed on the gooseneck tube. The saddle clips (8) are connected by magnetic suction cup bolts (9). The electric construction scaffold mounting assembly consists of two C-clamps (1), two long-hole sliding plates (2), two cross clamps (3), and an adjusting horizontal frame (12). The two C-clamps (1) are horizontally parallel and at the same height. The two long-hole sliding plates (2) are vertically arranged and parallel. Each C-clamp (1) is fixedly connected to the top of a long-hole sliding plate (2) by bolts. The adjusting horizontal frame (12) is vertically arranged with the two long-hole sliding plates (2) and connected to the sliding grooves of the two long-hole sliding plates (2) by cross clamps (3) and bolts. The lower end of the sliding groove of the long-hole sliding plate (2) is provided with a 7-shaped bolt (11). The two ends of the adjusting horizontal frame (12) are respectively connected to the fifth section of stainless steel pipe (65) and the sixth section of stainless steel pipe (66) by parallel clamps (4), so that the malleable fire catcher can be rotated upward and downward with the adjusting horizontal frame (12) as the pivot. The fire-blocking rod (13) has an elliptical aluminum alloy tube as its core and is wrapped with a high-silica fireproof blanket. The welding process includes the following steps: S1. Connection between the electric construction scaffold mounting assembly and the electric construction scaffold: Fix the C-clamp (1) to the upper part of the guardrail of the electric construction scaffold (14); hook the 7-shaped bolt (11) at the lower end of the groove of the long hole slide plate (2) to the lower part of the guardrail of the electric construction scaffold (14); S2, Adjustment of the malleable fire-receiving bag: Flip the malleable fire-receiving bag to the horizontal position and adjust the frame according to the specific shape of the fire-receiving space. Bend the malleable frame (10) into the required irregular frame and insert it between the keel (15). Then, use the magnet on the magnetic suction cup bolt (9) to magnetically fix it to the keel (15) of the curtain wall. S3, Fireproof bar insertion: Insert the fireproof bar (13) horizontally into the rear of the keel (15), and use the part of the malleable frame (10) inserted into the keel (15) as support to block the gap between the keel (15) and the wall or beam. S4. Welding and ignition: Welding begins, and the molten slag is collected using a malleable ignition catcher. S5. Disassembly and replacement: After the first layer is welded, remove the fire baffle (13), loosen the magnetic suction cup bolt (9), flip the plastic fire-receiving bag up to the vertical position, and raise or lower the electric construction basket (14) to the new welding layer.

2. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The gooseneck tube is covered with a high-silica fiber blanket and a fireproof sleeve.

3. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The first section of stainless steel pipe (61), the second section of stainless steel pipe (62), and the gooseneck pipe are all connected by double pipe clamps (5).

4. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The first section of stainless steel pipe (61) and the third section of stainless steel pipe (63), and the second section of stainless steel pipe (62) and the fourth section of stainless steel pipe (64) are connected by a cross clamp (3).

5. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The saddle clamp (8) is provided in four parts, and each saddle clamp (8) is provided with two upper and lower magnetic suction cup bolts (9).

6. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The frame is bonded to the high-temperature fireproof cloth by self-adhesive fireproof tape or by an open ring.

7. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The cross clamp (3) is a cuboid in shape, with clamp through holes on its two perpendicular faces. After inserting the rod, it can be fixed and clamped by bolts.

8. The welding and connection method during the construction of curtain wall keel according to claim 1, characterized in that: The parallel clamp (4) is a flat rectangular parallel clamp with a large hole and a long distance. Circular clamp through holes are set at both ends in the same direction. After the rod is inserted, it can be fixed and clamped by bolts. The hole diameter is 10mm and the length is 44mm.

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