A precise welding fixing device for curtain wall keel steel plate adapter

Abstract

The utility model discloses a control curtain wall keel steel sheet adapter precision welding fixing device, including setting in curtain wall keel top for the fixed device body of steel sheet adapter positioning, the fixed device body includes: L shape positioning angle steel, its activity is pasted in the top of curtain wall keel, and is pasted contact with one side of steel sheet adapter, connecting plate, activity is pasted in the bottom left side of L shape positioning angle steel, and its bottom is provided with rectangular slot. The utility model discloses through setting up a series of structures, be convenient for according to the welding position for personnel flexible adjustment L shape positioning angle steel horizontal positioning length, and then convenient and convenient adjustment L shape positioning angle steel's horizontal resistance limit distance, improve use flexibility and applicability, be convenient for when the curtain wall keel side is inclined to flexible inclined adjustment to the limiting plate, so that it is stably pasted with the different curtain wall keel side inclined plane magnetic attraction support, need not to be equipped with the limiting plate of different inclination, reduce the cost of the amount of equipment, further improve applicability.

Description

Technical Field

[0001] This utility model relates to the field of curtain wall construction technology, specifically to a device for controlling the precise welding and fixing of curtain wall keel steel plate transition parts. Background Technology

[0002] Currently, the welded section of the steel plate adapter has a pointed cross-section. During welding, the apex of the pointed structure is placed on the corresponding position of the curtain wall keel. Then, one operator holds the steel plate adapter while another welder performs the welding. This method requires highly skilled operators who must maintain a high level of focus during welding to prevent the steel plate adapter from shifting position. When multiple coaxial steel plate adapters need to be welded along the length of the curtain wall keel, it is impossible to guarantee the coaxiality of all the steel plate adapters. Manually supporting and fixing the steel plate adapters makes it difficult to ensure that they are perpendicular to the curtain wall keel during welding, resulting in non-compliant welding and affecting construction quality and efficiency.

[0003] Existing technologies have improved welding fixing devices to address the aforementioned problems. For example, document CN220240461U discloses a device for controlling the precise welding and fixing of curtain wall keel steel plate transition pieces. This device includes a positioning angle steel installed on the top surface of the curtain wall keel and a limiting member installed at the bottom of the positioning angle steel, forming an angle with the positioning angle steel. It can effectively support and fix the steel plate transition pieces, effectively ensuring that the welded steel plate transition pieces are perpendicular to the curtain wall keel, greatly improving construction quality and making construction efficient and fast. It can also ensure that multiple sets of steel plate transition pieces welded along the length of the curtain wall keel are coaxial.

[0004] The above-mentioned technology discloses a device for controlling the precise welding and fixing of steel plate transition parts of curtain wall keel. The positioning angle steel is attached to the top of the curtain wall keel to shield and position the steel plate transition parts to be welded. The limiting part at the bottom is attached to the side of the curtain wall keel to limit the positioning angle steel, ensuring that each welding is in a coaxial state and perpendicular to the curtain wall keel. However, the following problems still exist in actual use.

[0005] 1. The welding positions and side spacing of the steel plate transition pieces for curtain wall keels of different widths are different, making it difficult to conveniently adjust the lateral blocking and limiting distance of the positioning angle steel, resulting in unsatisfactory flexibility and applicability; 2. (It is disclosed that when the side of the curtain wall keel is inclined, the limiting piece with the same inclination can be replaced or used for side fitting and limiting), but because the slope of the side slope of different curtain wall keels is different, the slope of the limiting piece cannot be flexibly adjusted to adapt to the curtain wall keel with different side slopes, requiring the use of limiting pieces with different slopes, resulting in a large quantity and unsatisfactory applicability; In view of this, a device for controlling the precise welding and fixing of the steel plate transition pieces of the curtain wall keel is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of this utility model is to provide a device for controlling the precise welding and fixing of curtain wall keel steel plate transition parts, so as to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a device for controlling the precise welding and fixing of curtain wall keel steel plate transition components, comprising a fixing device body disposed on the top of the curtain wall keel for positioning the steel plate transition components, the fixing device body comprising:

[0008] The L-shaped positioning angle steel is placed on the top of the curtain wall keel and in contact with one side of the steel plate transition piece. The L-shaped positioning angle steel is used to support and position the steel plate transition piece vertically, so as to avoid the phenomenon of welding tilting due to the unstable hand of the personnel when welding the steel plate transition piece.

[0009] The connecting plate is movably fitted to the bottom left side of the L-shaped positioning angle steel, and a rectangular groove is provided at its bottom;

[0010] The limiting plate is rotatably installed on the bottom right side of the connecting plate. Two frustum-shaped holes are opened on its left side. A frustum-shaped strong magnet is connected in the frustum-shaped hole to magnetically attract the side of the curtain wall keel. The limiting plate is used to position and support the L-shaped positioning angle steel by fitting against the side of the curtain wall keel. The frustum-shaped strong magnet is used to conveniently fix the limiting plate to the side of the curtain wall keel.

[0011] The threaded transverse drive and guide assembly is mounted on the connecting plate and threadedly connected to the L-shaped positioning angle steel. The threaded transverse drive and guide assembly is used to allow personnel to flexibly adjust the transverse positioning length of the L-shaped positioning angle steel according to the welding position.

[0012] The rotary drive tilt adjustment assembly is installed in a rectangular groove and hinged to the left side of the limiting plate. The rotary drive tilt adjustment assembly is used to tilt the limiting plate when the side of the curtain wall keel is inclined, so that it can be stably attached to the inclined side of the curtain wall keel for magnetic support.

[0013] Preferably, the frustum-shaped strong magnet is glued to the inside of the frustum-shaped hole.

[0014] Preferably, the frustum-shaped strong magnet is detachably connected to the inner side of the corresponding frustum-shaped hole.

[0015] Preferably, the outer side of the frustum-shaped strong magnet is in movable contact with the inner side of the corresponding frustum-shaped hole. The left side of the limiting plate has two threaded grooves that are respectively aligned and connected with the corresponding frustum-shaped holes. A threaded plug is threaded into the threaded groove. A rubber pad that is pressed tightly against the left side of the corresponding frustum-shaped strong magnet is bonded and fixed to the right side of the threaded plug. A U-shaped handle is fixedly connected to the left side of the threaded plug.

[0016] Preferably, the threaded transverse drive and guide assembly includes a support sleeve fixedly connected to the top left side of the connecting plate. A first T-shaped screw is rotatably sleeved inside the support sleeve. A threaded groove for threaded connection with the first T-shaped screw is opened on the left side of the L-shaped positioning angle steel. A U-shaped guide seat is fixedly connected to the top of the connecting plate. Multiple balls are movably embedded on the front inner wall, rear inner wall, and top inner wall of the U-shaped guide seat. There are two balls on the front and rear sides and six balls on the top. The front, rear, and bottom inner walls of the L-shaped positioning angle steel are in movable contact with the corresponding balls. An anti-detachment block located on the left side of the U-shaped guide seat is fixedly connected to the bottom inner wall of the L-shaped positioning angle steel.

[0017] Preferably, the rotary drive tilting assembly includes a second T-shaped screw rotatably mounted between the inner wall of the right side of the rectangular groove and the left side of the connecting plate. The second T-shaped screw is threaded with a movable seat that is slidably connected to the inner wall of the top of the rectangular groove. The bottom of the movable seat is hinged to the left side of the limiting plate with two inclined connecting rods.

[0018] Preferably, the bottom right side of the connecting plate and the top left side of the limiting plate are fixedly connected by the same stainless steel hinge, and the limiting plate is rotatably connected to the connecting plate through the stainless steel hinge.

[0019] Preferably, two T-shaped slide rails are fixedly connected to the top inner wall of the rectangular groove, and two T-shaped slide grooves are opened on the top of the movable seat, which are respectively slidably connected to the corresponding T-shaped slide rails. A threaded hole is opened on one side of the movable seat for threaded connection with the second T-shaped screw.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] 1. By using L-shaped positioning angle steel, frustum-shaped strong magnet, connecting plate, stainless steel hinge and limiting plate, the steel plate adapter can be vertically supported and limited by the auxiliary personnel, so that the personnel can perform precise vertical welding.

[0022] 2. Through the combination of the L-shaped positioning angle steel, connecting plate and threaded horizontal drive and guide assembly, the horizontal positioning length of the L-shaped positioning angle steel can be flexibly adjusted by personnel according to the welding position, thereby facilitating the adjustment of the horizontal blocking limit distance of the L-shaped positioning angle steel, improving the flexibility and applicability of use; in addition, since the distance from the side is required to be the same when welding multiple steel plate transition pieces on the same curtain wall keel, only one adjustment is needed when welding multiple steel plate transition pieces on the same curtain wall keel.

[0023] 3. By using the connecting plate, stainless steel hinge, limiting plate and rotary drive tilting component, the limiting plate can be flexibly tilted when the side of the curtain wall keel is inclined, so that it can be stably attached to the magnetic support of different curtain wall keel side slopes. There is no need to equip limiting plates with different slopes, reducing equipment costs and improving applicability.

[0024] 4. The screw plug, screw groove, U-shaped handle and rubber pad are designed to press and fix the frustum-shaped strong magnet. The pressing and fixing state can be released by simple rotation. This allows personnel to flexibly replace the frustum-shaped strong magnet with the appropriate magnetic force according to the magnetic force requirements. It also makes it easy to replace the frustum-shaped strong magnet when the magnetic force weakens after long-term use and no longer meets the use requirements, thus improving the flexibility of use.

[0025] This utility model features a series of structures that allow personnel to flexibly adjust the lateral positioning length of the L-shaped positioning angle steel according to the welding position, thereby facilitating the adjustment of the lateral blocking and limiting distance of the L-shaped positioning angle steel, improving its flexibility and applicability. It also allows for flexible tilting of the limiting plate when the side of the curtain wall keel is sloped, enabling it to stably fit and magnetically support different sloped sides of the curtain wall keel, eliminating the need for limiting plates with different inclinations, reducing equipment costs, and further improving applicability. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a device for controlling the precise welding and fixing of curtain wall keel steel plate transition parts according to Embodiment 1 of this utility model;

[0027] Figure 2 This is a cross-sectional structural diagram of the fixing device body of a precision welding and fixing device for controlling the transition parts of curtain wall keel steel plates, as proposed in Embodiment 1 of this utility model.

[0028] Figure 3 for Figure 2 A schematic diagram of the structure viewed from below;

[0029] Figure 4 for Figure 1 A bottom view of the U-shaped guide seat and ball bearing connector in the diagram.

[0030] Figure 5This is a cross-sectional structural diagram of the fixing device body of a precision welding and fixing device for controlling the transition component of curtain wall keel steel plate, as proposed in Embodiment 2 of this utility model.

[0031] In the diagram: 100, curtain wall keel; 200, steel plate adapter; 1, L-shaped positioning angle steel; 2, connecting plate; 201, rectangular groove; 202, stainless steel hinge; 203, limiting plate; 204, frustum-shaped hole; 205, frustum-shaped strong magnet; 3, support sleeve; 301, first T-shaped screw; 302, U-shaped guide seat; 303, ball bearing; 4, second T-shaped screw; 401, movable seat; 402, T-shaped slide rail; 403, connecting rod; 5, threaded plug; 501, U-shaped handle; 502, threaded groove. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] Example 1

[0034] like Figures 1 to 4 As shown in this embodiment, a precise welding and fixing device for controlling the steel plate transition component of a curtain wall keel is proposed, including a fixing device body disposed on the top of the curtain wall keel 100 for positioning the steel plate transition component 200. The fixing device body includes:

[0035] The L-shaped positioning angle steel 1 is movably attached to the top of the curtain wall keel 100 and in contact with one side of the steel plate adapter 200. The L-shaped positioning angle steel 1 is provided for personnel to vertically attach and support the steel plate adapter 200 for positioning, so as to avoid the phenomenon of welding tilting due to the unstable hand of personnel when welding the steel plate adapter 200.

[0036] The connecting plate 2 is movably attached to the bottom left side of the L-shaped positioning angle steel 1, and a rectangular groove 201 is provided at its bottom;

[0037] The limiting plate 203 is rotatably installed on the bottom right side of the connecting plate 2. Two frustum-shaped holes 204 are opened on its left side. The frustum-shaped holes 204 are connected to the frustum-shaped strong magnets 205 that are magnetically attracted to the side of the curtain wall keel 100. The limiting plate 203 is used to position and support the L-shaped positioning angle steel 1 by fitting against the side of the curtain wall keel 100. The frustum-shaped strong magnets 205 are used to conveniently fix the limiting plate 203 to the side of the curtain wall keel 100 by magnetic attraction.

[0038] The threaded transverse drive and guide assembly is installed on the connecting plate 2 and threadedly connected to the L-shaped positioning angle steel 1; the threaded transverse drive and guide assembly is used to allow personnel to flexibly adjust the transverse positioning length of the L-shaped positioning angle steel 1 according to the welding position.

[0039] The rotary drive tilt adjustment assembly is installed in the rectangular groove 201 and hinged to the left side of the limiting plate 203. The rotary drive tilt adjustment assembly is used to tilt the limiting plate 203 when the side of the curtain wall keel 100 is inclined, so that it can be stably attached to the inclined side of the curtain wall keel 100 for magnetic support.

[0040] In this embodiment, the L-shaped positioning angle steel 1 is a right angle steel, and the same stainless steel hinge 202 is fixedly connected between the bottom right side of the connecting plate 2 and the top left side of the limiting plate 203. The limiting plate 203 is rotatably connected to the connecting plate 2 through the stainless steel hinge 202, which achieves the effect of rotating and installing the limiting plate 203.

[0041] Furthermore, the frustum-shaped strong magnet 205 is glued to the inside of the frustum-shaped hole 204.

[0042] Furthermore, such as Figure 1 , 2 As shown in Figure 4, the threaded transverse drive and guide assembly includes a support sleeve 3 fixedly connected to the top left side of the connecting plate 2. A first T-shaped screw 301 is rotatably sleeved inside the support sleeve 3. A threaded groove is opened on the left side of the L-shaped positioning angle steel 1 to be threadedly connected to the first T-shaped screw 301. A U-shaped guide seat 302 is fixedly connected to the top of the connecting plate 2. Multiple balls 303 are movably embedded on the front inner wall, rear inner wall and top inner wall of the U-shaped guide seat 302. There are two balls 303 on the front and rear sides and six balls 303 on the top. The front, rear and bottom inner walls of the L-shaped positioning angle steel 1 are in movable contact with the corresponding balls 303. An anti-detachment block located on the left side of the U-shaped guide seat 302 is fixedly connected to the bottom inner wall of the L-shaped positioning angle steel 1.

[0043] In this embodiment, a first bearing is fixedly sleeved inside the support sleeve 3, and the inner side of the inner ring of the first bearing is fixedly connected to the outer side of the first T-shaped screw 301, so as to achieve the effect of rotating and installing the first T-shaped screw 301.

[0044] In this embodiment, the support sleeve 3, the first T-shaped screw 301, the threaded groove, the U-shaped guide seat 302, the ball bearings 303, and the anti-detachment block work together. By rotating the first T-shaped screw 301, the L-shaped positioning angle steel 1 is driven to move to the right or left under the action of the threaded groove. The L-shaped positioning angle steel 1 moves laterally among the multiple ball bearings 303. The multiple ball bearings 303 are aligned for lateral guidance, and the anti-detachment block is used for blocking and preventing detachment. This achieves the effect of allowing personnel to flexibly adjust the lateral positioning length of the L-shaped positioning angle steel 1 according to the welding position. In addition, since the distance from the side is required to be the same when welding multiple steel plate transition pieces 200 on the same curtain wall keel 100, only one adjustment is needed when welding multiple steel plate transition pieces 200 on the same curtain wall keel 100. When replacing different curtain wall keels 100, the adjustment can be made at the position of blocking and positioning as needed.

[0045] Furthermore, such as Figure 1 , 2 As shown in Figure 3, the rotary drive tilt adjustment assembly includes a second T-shaped screw 4 rotatably installed between the right inner wall of the rectangular groove 201 and the left side of the connecting plate 2. The second T-shaped screw 4 is threaded with a movable seat 401 that is slidably connected to the top inner wall of the rectangular groove 201. The bottom of the movable seat 401 is hinged to the left side of the limiting plate 203 with two inclined connecting rods 403.

[0046] In this embodiment, two T-shaped slide rails 402 are fixedly connected to the top inner wall of the rectangular groove 201. The top of the movable seat 401 has two T-shaped slide grooves that are slidably connected to the corresponding T-shaped slide rails 402, which serve as a lateral sliding guide for the movable seat 401. A threaded hole is provided on one side of the movable seat 401 for threaded connection with the second T-shaped screw 4. The threaded connection between the second T-shaped screw 4 and the threaded hole facilitates the lateral displacement of the movable seat 401 when the second T-shaped screw 4 rotates. A circular through hole is provided on the left inner wall of the rectangular groove 201. A second bearing is fixedly connected to both the circular through hole and the right inner wall of the rectangular groove 201. The inner ring of the second bearing is fixedly connected to the outer side of the second T-shaped screw 4, which serves as a rotatable installation for the second T-shaped screw 4.

[0047] In this embodiment, the second T-shaped screw 4, the movable seat 401, and the connecting rod 403 work together. By rotating the second T-shaped screw 4, the movable seat 401 is driven to move laterally to the right or left. The movable seat 401 drives the limiting plate 203 to rotate to the right or left through the two connecting rods 403, changing the tilt angle of the limiting plate 203. This achieves the effect of flexibly tilting the limiting plate 203 when the side of the curtain wall keel 100 is a slope, so that it can be stably attached to the slope of the side of the curtain wall keel 100 for magnetic support, thereby improving applicability.

[0048] It should be noted that the first T-shaped screw 301, the second T-shaped screw 4, the movable seat 401, the connecting plate 2, and the L-shaped positioning angle steel 1 are all made of stainless steel. The advantages of stainless steel, such as high hardness, resistance to rust, and high wear resistance, are used to ensure long-term connection and adjustment stability.

[0049] This embodiment allows personnel to flexibly adjust the lateral positioning length of the L-shaped positioning angle steel 1 according to the welding position, thereby facilitating the adjustment of the lateral blocking and limiting distance of the L-shaped positioning angle steel 1, improving its flexibility and applicability. It also allows for flexible tilting of the limiting plate 203 when the side of the curtain wall keel 100 is inclined, so that it can stably fit and magnetically support different inclined sides of the curtain wall keel 100, eliminating the need for limiting plates 203 with different inclinations, reducing equipment costs, and further improving applicability.

[0050] The method of use in this embodiment is as follows: When using the control device for precise welding and fixing of the curtain wall keel steel plate adapter, place the L-shaped positioning angle steel 1 on the top of the curtain wall keel 100 and move it horizontally. The L-shaped positioning angle steel 1 drives the limiting plate 203 to move horizontally to contact the side of the curtain wall keel 100 through the connecting plate 2. When the limiting plate 203 drives the two frustum-shaped strong magnets 205 to attract the side of the curtain wall keel 100 for convenient magnetic positioning and support. At this time, the steel plate adapter 200 can be placed on the right side of the L-shaped positioning angle steel 1 and simply held. The bottom sharp corner of the adapter can then be welded to the curtain wall keel 100, achieving the effect of precise welding of the steel plate adapter 200 by vertical support and limiting.

[0051] When the lateral support limit position needs to be adjusted according to the welding position requirements of different curtain wall keel 100, the operator rotates the first T-shaped screw 301. Under the action of the threaded groove, the first T-shaped screw 301 rotates and drives the L-shaped positioning angle steel 1 to move to the right or left. The L-shaped positioning angle steel 1 moves laterally between multiple balls 303. The multiple balls 303 are aligned for lateral guidance, and the anti-detachment block is used for shielding and anti-detachment work. This achieves the effect of allowing the operator to flexibly adjust the lateral positioning length of the L-shaped positioning angle steel 1 according to the welding position, thereby facilitating the adjustment of the lateral support limit distance of the L-shaped positioning angle steel 1, improving the flexibility and applicability of use. In addition, since the distance from the side is required to be the same when welding multiple steel plate transition pieces 200 on the same curtain wall keel 100, only one adjustment is needed when welding multiple steel plate transition pieces 200 on the same curtain wall keel 100. When changing different curtain wall keels 100, the adjustment can be made at the required shielding and positioning position.

[0052] When the side of the curtain wall keel 100 is inclined and the limiting plate 203 needs to be tilted and adjusted, the operator rotates the second T-shaped screw 4 to drive the moving seat 401 to move laterally to the right or left. The moving seat 401 slides laterally on the two T-shaped slide rails 402 to perform lateral guiding work. The moving seat 401 drives the limiting plate 203 to rotate to the right or left through the two connecting rods 403, changing the tilt angle of the limiting plate 203. This achieves the effect of flexible tilt adjustment of the limiting plate 203 when the side of the curtain wall keel 100 is inclined, so that it can be stably attached and magnetically supported with different inclined sides of the curtain wall keel 100. There is no need to equip the limiting plate 203 with different inclinations, reducing the equipment cost and improving applicability.

[0053] Example 2

[0054] Reference Figure 5 This embodiment differs from Embodiment 1 in that: the frustum-shaped strong magnet 205 is detachably connected to the inner side of the corresponding frustum-shaped hole 204, and the outer side of the frustum-shaped strong magnet 205 is in movable contact with the inner side of the corresponding frustum-shaped hole 204. The left side of the limiting plate 203 has two threaded grooves 502 that are respectively aligned and connected to the corresponding frustum-shaped hole 204. A threaded plug 5 is threadedly screwed into the threaded groove 502. A rubber pad that is pressed tightly against the left side of the corresponding frustum-shaped strong magnet 205 is glued and fixed to the right side of the threaded plug 5. A U-shaped handle 501 is fixedly connected to the left side of the threaded plug 5.

[0055] This embodiment can fix the frustum-shaped strong magnet 205 by thread compression, and the compression fixation state can be released by simple rotation. This allows personnel to flexibly replace the frustum-shaped strong magnet 205 with a suitable magnetic force according to the magnetic force requirements. It also facilitates the replacement of the frustum-shaped strong magnet 205 when the magnetic force becomes weak after long-term use and can no longer meet the usage requirements, thus improving the flexibility of use.

[0056] The method of use in this embodiment is as follows: Unlike Embodiment 1, in addition to the movable contact between the outer side of the frustum-shaped strong magnet 205 and the inner side of the corresponding frustum-shaped hole 204 in Embodiment 1, it also has the following functions: A threaded plug 5 is screwed into the threaded groove 502 to drive the rubber pad to press and fix the frustum-shaped strong magnet 205 to prevent it from detaching. Subsequently, by rotating the U-shaped handle 501 in the opposite direction, the threaded plug 5 is screwed out of the threaded groove 502, releasing the pressing and fixing state of the frustum-shaped strong magnet 205. This facilitates the subsequent replacement of the frustum-shaped strong magnet 205 from right to left, allowing for flexible replacement of the frustum-shaped strong magnet 205 with a suitable magnetic force according to magnetic requirements. It also facilitates replacement when the magnetic force of the frustum-shaped strong magnet 205 weakens after prolonged use and no longer meets the usage requirements, thus improving the flexibility of use.

[0057] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for controlling the precise welding and fixing of steel plate transition pieces for curtain wall keel, comprising a fixing device body disposed on the top of the curtain wall keel (100) for positioning the steel plate transition pieces (200), characterized in that: The fixing device body includes: L-shaped positioning angle steel (1) is movably attached to the top of the curtain wall keel (100) and in contact with one side of the steel plate adapter (200). The connecting plate (2) is movably attached to the bottom left side of the L-shaped positioning angle steel (1), and a rectangular groove (201) is provided at its bottom; The limiting plate (203) is rotatably installed on the bottom right side of the connecting plate (2). Two frustum-shaped holes (204) are opened on its left side. A frustum-shaped strong magnet (205) that magnetically attracts the side of the curtain wall keel (100) is connected in the frustum-shaped holes (204). The threaded transverse drive and transverse guide assembly is installed on the connecting plate (2) and threadedly connected to the L-shaped positioning angle steel (1); The rotary drive tilting assembly is installed in the rectangular slot (201) and hinged to the left side of the limiting plate (203).

2. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 1, characterized in that: The frustum-shaped strong magnet (205) is glued to the inside of the frustum-shaped hole (204).

3. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 1, characterized in that: The frustum-shaped strong magnet (205) is detachably connected to the inside of the corresponding frustum-shaped hole (204).

4. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 3, characterized in that: The outer side of the frustum-shaped strong magnet (205) is in movable contact with the inner side of the corresponding frustum-shaped hole (204). The left side of the limiting plate (203) has two threaded grooves (502) that are respectively aligned and connected with the corresponding frustum-shaped hole (204). A threaded plug (5) is threadedly screwed into the threaded groove (502). A rubber pad that is pressed tightly against the left side of the corresponding frustum-shaped strong magnet (205) is bonded and fixed to the right side of the threaded plug (5). A U-shaped handle (501) is fixedly connected to the left side of the threaded plug (5).

5. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 1, characterized in that: The threaded transverse drive and guide assembly includes a support sleeve (3) fixedly connected to the top left side of the connecting plate (2). A first T-shaped screw (301) is rotatably sleeved inside the support sleeve (3). A threaded groove is provided on the left side of the L-shaped positioning angle steel (1) for threaded connection with the first T-shaped screw (301). A U-shaped guide seat (302) is fixedly connected to the top of the connecting plate (2). Multiple balls (303) are movably embedded on the front inner wall, rear inner wall and top inner wall of the U-shaped guide seat (302). There are two balls (303) on the front and rear sides and six balls (303) on the top. The front, rear and bottom inner walls of the L-shaped positioning angle steel (1) are in contact with the corresponding balls (303). An anti-detachment block located on the left side of the U-shaped guide seat (302) is fixedly connected to the bottom inner wall of the L-shaped positioning angle steel (1).

6. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 1, characterized in that: The rotary drive tilt adjustment assembly includes a second T-shaped screw (4) rotatably installed between the right inner wall of the rectangular groove (201) and the left side of the connecting plate (2). The second T-shaped screw (4) is threaded with a movable seat (401) that is slidably connected to the top inner wall of the rectangular groove (201). The bottom of the movable seat (401) is hinged to the left side of the limiting plate (203) with two inclined connecting rods (403).

7. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 1, characterized in that: The bottom right side of the connecting plate (2) and the top left side of the limiting plate (203) are fixedly connected by the same stainless steel hinge (202), and the limiting plate (203) is rotatably connected to the connecting plate (2) through the stainless steel hinge (202).

8. The device for controlling the precise welding and fixing of curtain wall keel steel plate transition components according to claim 6, characterized in that: Two T-shaped slide rails (402) are fixedly connected to the top inner wall of the rectangular groove (201). The top of the movable seat (401) has two T-shaped slide grooves that are slidably connected to the corresponding T-shaped slide rails (402). A threaded hole that is threadedly connected to the second T-shaped screw (4) is provided on one side of the movable seat (401).

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