Curved roof light steel keel mounting and positioning device and construction method thereof

Abstract

The curved roof light steel keel mounting and positioning device comprises a supporting frame and a clamping and positioning assembly which is arranged on the supporting frame and used for clamping and positioning a light steel keel, and the supporting frame comprises a movable base and a telescopic adjusting supporting rod arranged on the movable base; the clamping and positioning assembly comprises a supporting plate fixedly arranged at the top of the telescopic adjusting supporting rod; the angle adjusting rod is arranged on the supporting plate in a hinged and lockable manner; the supporting plate is arranged on the angle adjusting rod in the mode that the supporting plate can be driven to rotate around the axis of the angle adjusting rod and can be locked, and the height position of the supporting plate is adjustable; the two groups of clamping parts are respectively arranged at two ends of the supporting plate and are used for clamping a framework of the light steel keel; the invention further discloses a curved roof light steel keel installation construction method. According to the curved roof light steel keel mounting and positioning device and the construction method thereof, the construction quality and the construction efficiency can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a curved roof light steel keel installation and positioning device and a construction method thereof. Background Art

[0002] Light steel keels have the advantages of light weight and high strength, and are widely used in construction sites such as bus stations, amusement parks, and shopping malls. For complex roof structures such as curved roofs, in order to ensure the connection strength of the connection nodes and prevent displacement and deformation, the main keels and secondary keels of the roof are mostly connected by welding. At present, during the construction of light steel keels for curved roofs, the main keel is generally connected to the embedded wall parts first, and then the secondary keel is welded to the main keel. During the welding process of the secondary keel and the main keel, the position of the secondary keel is generally manually straightened, and the secondary keel and the main keel are spot welded to pre-fix the position first, and then fully welded to fix it. However, due to the complex shape of the curved roof keel nodes and higher welding quality requirements, the existing manual straightening and spot welding pre-fixing method cannot meet the construction requirements, and it is easy to cause quality problems such as uneven welds or insufficient strength due to the position deviation of the complex keel, and the construction efficiency is low.

[0003] Therefore, it is necessary to provide a positioning device suitable for the installation of light steel keels on curved roofs and a construction method thereof, so as to improve the construction quality and efficiency. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a curved roof light steel keel installation and positioning device and a construction method thereof, which can help improve construction quality and construction efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a curved roof light steel keel installation and positioning device, comprising a support frame and a clamping and positioning assembly arranged on the support frame for clamping and positioning the light steel keel, the support frame comprising a movable base and a retractable adjustable support rod arranged on the movable base; the clamping and positioning assembly comprises: a support plate, fixedly arranged on the top of the retractable adjustable support rod; an angle adjustment rod, arranged on the support plate in a hinged and lockable manner; a support plate, arranged on the angle adjustment rod in a manner that can be driven to rotate around the axis of the angle adjustment rod and can be locked, and the height position of the support plate is adjustable; two groups of clamping components, respectively arranged at both ends of the support plate for clamping the skeleton of the light steel keel.

[0006] Furthermore, the clamping component includes a clamping seat and a clamping claw arranged on the clamping seat for clamping the light steel keel frame; a support rod is fixedly provided at the bottom of the clamping seat, and the support rod is arranged on the support plate in a manner that it can rotate around its own axis and can be locked, and the height position of the support rod is adjustable.

[0007] Furthermore, both ends of the support plate are respectively provided with long holes arranged along the length direction of the support plate, and the support rod is a threaded rod, and the support rod is fixed in the long holes at the corresponding ends of the support plate through two sets of locking nuts.

[0008] Furthermore, the clamping seat is a U-shaped structure, and the clamping jaws include two groups of clamping plates respectively arranged on the two side plates of the clamping seat, and the distance between the two clamping plates is adjustable.

[0009] Furthermore, two parallelly arranged hinged plates are fixedly provided on the top of the support plate, and a hinge shaft is fixedly provided on the bottom of the angle adjustment rod, and both ends of the hinge shaft are rotatably connected to the hinge plates on both sides respectively; a door-shaped seat is fixedly provided on the top of the support plate, and the door-shaped seat is provided with long guide limit holes arranged along the swing direction of the angle adjustment rod, and the upper part of the angle adjustment rod passes through the guide limit holes, and the door-shaped seat is provided with adjustment bolts on both sides of the swing direction of the angle adjustment rod, and the tails of the two adjustment bolts are respectively pressed against the side walls of the angle adjustment rod.

[0010] Furthermore, an abutment sleeve is fixedly provided at the tail of the adjusting bolt, the abutment end of the abutment sleeve is a ball head, and the diameter of the ball head is equal to the width of the guide limit hole.

[0011] Furthermore, the movable base includes a bottom plate and four sets of casters respectively fixed at the four corners of the bottom plate, and the bottom of the telescopic adjustable support rod is fixedly connected to the center of the bottom plate.

[0012] Furthermore, a counterweight is placed on the bottom plate.

[0013] Furthermore, the telescopic adjustable support rod includes an outer sleeve fixed at the center of the base plate and an inner sleeve slidably arranged in the outer sleeve, the inner sleeve is evenly distributed with a plurality of height adjustment holes along the height direction, and two groups of locking bolt assemblies are arranged on the outer sleeve, and the locking bolt assemblies utilize the height adjustment holes to lock the outer sleeve and the inner sleeve together.

[0014] A method for installing a curved roof light steel keel is provided, wherein the installation and positioning device for installing a curved roof light steel keel is used to complete the construction, and the method comprises the following steps:

[0015] S1: Main keel installation, including: completing the full welding connection of all main keels and wall embedded parts in sequence, and using the positioning device to complete the elevation and angle position locking of the main keel before the full welding connection;

[0016] S2: secondary keel installation, including: completing the full welding connection of all secondary keels with the main keel in sequence, and using the positioning device to complete the elevation and angle position locking of the secondary keel before the full welding connection.

[0017] The beneficial effects of the present invention are as follows:

[0018] The curved roof light steel keel installation and positioning device provided by the present invention can be suitable for the installation of curved roof light steel keels, and can be beneficial to improving construction quality and construction efficiency; specifically, the two groups of clamping components can ensure the stable clamping of the light steel keel frame, and the position adjustment of the angle adjustment rod and the support plate can meet the precise and stable positioning of the welding node positions of the complex curved roof light steel keels, avoiding quality problems such as uneven welds or insufficient strength due to position deviation during the welding operation; the device can be clamped at a position suitable for stable clamping of the keel as needed, thereby meeting the use requirements of the complex curved roof light steel keel welding nodes; the device can be reused, which can be beneficial to reducing the operation of manual straightening and improving positioning accuracy, thereby improving construction quality and construction efficiency; the curved roof light steel keel installation and construction method provided by the present invention can be beneficial to improving construction quality and construction efficiency.

[0019] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and to some extent, will be obvious to those skilled in the art based on the following examination and study, or can be taught from the practice of the present invention. The objectives and other advantages of the present invention can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of an axonometric structure of an embodiment of the present invention

[0021] Figure 2 A schematic diagram of the isometric structure of a clamping and positioning assembly according to an embodiment of the present invention

[0022] Figure markings: 1-support frame; 101-movable base; 101a-bottom plate; 101b-castor; 102-telescopic adjustable support rod; 102a-outer sleeve; 102b-inner sleeve; 102b1-height adjustment hole; 102c-locking bolt assembly; 2-support plate; 201-hinge plate; 202-gate seat; 202a-guide limit hole; 203-adjusting bolt; 204-abutment sleeve; 204a-ball head; 3-angle adjustment rod; 301-hinge shaft; 4-support plate; 4a-long strip hole; 5-clamping component; 501-clamping seat; 502-clamping claw; 502a-clamping plate; 503-support rod; 6-counterweight block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-2, this embodiment discloses a curved roof light steel keel installation and positioning device, including a support frame 1 and a clamping and positioning component arranged on the support frame 1 for clamping and positioning the light steel keel, the support frame 1 includes a movable base 101 and a retractable and adjustable support rod 102 arranged on the movable base 101;

[0025] The clamping and positioning assembly comprises:

[0026] The support plate 2 is fixed on the top of the telescopic adjustable support rod 102;

[0027] An angle adjustment rod 3 is hingedly and lockably arranged on the support plate 2;

[0028] The support plate 4 is arranged on the angle adjustment rod 3 in a manner that it can be driven to rotate around the axis of the angle adjustment rod 3 and can be locked, and the height position of the support plate 4 is adjustable. Specifically, a through hole is provided in the center of the support plate 4, and the upper part of the angle adjustment rod 3 passes through the through hole. The upper part of the angle adjustment rod 3 is a threaded rod, and the support plate 4 and the angle adjustment rod 3 are locked by two sets of nuts;

[0029] Two sets of clamping parts 5 are respectively arranged at both ends of the support plate 4 for clamping the skeleton of the light steel keel. The two sets of clamping parts 5 arranged at both ends of the support plate 4 can ensure the stability of clamping and avoid displacement and deformation during welding construction;

[0030] When in use, the angle adjustment rod 3 is rotated to adjust the swing angle of the angle adjustment rod 3 relative to the support plate 2 and complete the position locking. After the angle adjustment rod 3 is adjusted, the tilt angle of the support plate 4 is driven to adapt to the curved shape of the light steel keel of the curved roof; at the same time, the circumferential position of the support plate 4 relative to the angle adjustment rod 3 can be adjusted by rotating the support plate 4; at the same time, the height position of the support plate 4 can be adjusted in coordination to ensure that the two sets of clamping components 5 can be clamped to the clamping points suitable for keel clamping, so that sufficient weld length and operating space for welding operations can be reserved; the clamping and positioning assembly cooperates with the height adjustment of the support frame 1 (that is, the height adjustment of the telescopic adjustable support rod 102 can be used as the main elevation adjustment section, and the height adjustment of the support plate 4 can be used as the height position fine adjustment to adapt to the installation and positioning of the keel nodes in more positions to ensure versatility and convenience), which can be suitable for the installation and positioning of the keels in multiple installation areas of the curved roof, and ensure the position accuracy and stability of the welding connection node area of ​​the curved roof; the whole can be reused, and after the construction of one position is completed, it can be quickly moved to another construction position, with good versatility, which is conducive to reducing construction costs and on-site production management;

[0031] The curved roof light steel keel installation and positioning device in the above-mentioned structural design can be suitable for the installation of curved roof light steel keels, which can help improve construction quality and efficiency; the two sets of clamping components 5 can ensure the stable clamping of the light steel keel frame, and the position adjustment of the angle adjustment rod 3 and the support plate 4 can meet the precise and stable positioning of the welding node position of the complex curved roof light steel keel, avoiding quality problems such as uneven welds or insufficient strength due to position deviation during the welding operation; the device can be clamped at a position suitable for stable clamping of the keel as needed, thereby meeting the use requirements of the complex curved roof light steel keel welding node; the device can be reused, which can help reduce the operation of manual straightening and improve positioning accuracy, thereby improving construction quality and efficiency.

[0032] In this embodiment, the clamping component 5 includes a clamping seat 501 and a clamping claw 502 arranged on the clamping seat 501 for clamping the light steel keel frame; a support rod 503 is fixedly provided at the bottom of the clamping seat 501, and the support rod 503 is arranged on the support plate 4 in a manner that it can rotate around its own axis and can be locked, and the height position of the support rod 503 is adjustable; the clamping component 5 in this structural design has a simple structure, and through this structural design and the adjustment of the angle adjustment rod 3, the adjustment flexibility and convenience of the clamping and positioning assembly can be improved; when in use, the support rod 503 can be rotated and the height position of the support rod 503 can be adjusted so that the clamping claw 502 can be stably clamped to the light steel keel frame; the adjustment here can be used for fine-tuning the position to improve the accuracy and stability of the clamping position; it can adapt to the keel installation and positioning at more complex keel nodes to improve adaptability.

[0033] In this embodiment, both ends of the support plate 4 are respectively provided with long holes 4a arranged along the length direction of the support plate 4, and the support rod 503 is a threaded rod, and the support rod 503 is fixed in the long holes 4a at the corresponding ends of the support plate 4 by two sets of locking nuts 503a; in this structural design, the distance between the two support rods 503 can be adjusted by setting the long holes 4a, that is, the distance between the two clamping parts 5 is adjusted, thereby further improving the adaptability of the positioning device, so that the two clamping parts 5 can be stably clamped on the light steel dragon frame in the appropriate position as needed; at the same time, the structure is simple, which is conducive to the rotation angle position and height position adjustment of the support rod 503, and has good locking reliability.

[0034] In this embodiment, the clamping seat 501 is a U-shaped structure, and the clamping claw 502 includes two groups of clamping plates 502a respectively arranged on the two side plates of the clamping seat 501, and the spacing between the two clamping plates 502a is adjustable; specifically, a threaded adjustment rod is fixedly provided on the back side of the clamping plate 502a, and the threaded adjustment rod passes through the side plate of the clamping seat 501, and is locked on the side plate of the clamping seat 501 by two groups of fastening nuts arranged on the threaded adjustment rod. When adjusting the time distance, the fastening nuts are loosened and the clamping plate 502a is moved; this design has a simple structure and reliable clamping, which is conducive to adapting to the clamping of skeleton beams of different widths, that is, it is suitable for the clamping of main keels and secondary keels, which is conducive to further improving the adaptability of the device; the U-shaped structure can also play a role in accidental slip insurance, thereby improving the safety of use, that is, when the keel accidentally slips due to lack of clamping, it will fall into the clamping seat 501 and will not fall.

[0035] In this embodiment, two parallel hinged plates 201 are fixedly arranged on the top of the support plate 2, and a hinge shaft 301 is fixedly arranged at the bottom of the angle adjustment rod 3. The two ends of the hinge shaft 301 are rotatably connected to the hinged plates 201 on both sides. This design structure is simple and reliable, which is conducive to ensuring the stable rotation of the angle adjustment rod 3 to complete the angle adjustment; a door-shaped seat 202 is fixedly arranged on the top of the support plate 2, and a long strip of guide limiting holes 202a arranged along the swinging direction of the angle adjustment rod 3 are provided on the door-shaped seat 202, and the upper part of the angle adjustment rod 3 passes through the guide limiting holes 202a, and the door-shaped seat 202 is respectively provided with adjusting bolts 203 on both sides of the swinging direction of the angle adjustment rod 3, and the tails of the two adjusting bolts 203 are respectively pressed against the side walls of the angle adjustment rod 3; it can be It is understood that the tail of the adjusting bolt 203 here is relative to the bolt head; the adjusting bolt 203 here is threadedly connected to the gate-type seat 202, and the head of the adjusting bolt 203 adopts an adjusting wheel. No tools are required, and the adjusting bolt 203 can be moved by manually turning the adjusting wheel; when adjusting, the angle adjustment rod 3 can be driven to swing (rotate) by moving the positions of the two adjusting bolts 203. Since the adjusting bolts 203 are tightened on both sides, the adjusting bolts 203 are not subject to torque and are tightened reliably, which effectively improves the locking reliability of the structure, prevents the angle adjustment rod 3 from being displaced during use and affects the accuracy of the keel position, and greatly improves the reliability of the device; at the same time, the gate-type seat 202 also reduces the cantilever length of the angle adjustment rod 3, and also improves the overall reliability of the device.

[0036] In this embodiment, an abutment sleeve 204 is fixedly provided at the tail of the adjusting bolt 203, and the abutment end of the abutment sleeve 204 is a ball head 204a, and the diameter of the ball head 204a is equal to the width of the guide limit hole 202a; specifically, the abutment sleeve 204 is welded and fixed to the adjusting bolt 203; in this structural design, through the set abutment sleeve 204, the ball head 204a can form contact with the inner wall of the guide limit hole 202a to form a motion guide, which is beneficial to further improve the limiting reliability of the adjusting bolt 203 for the angle adjustment rod 3, improve the structural strength of the adjusting bolt 203, and improve the durability of use.

[0037] In this embodiment, the movable base 1 includes a base plate 101a and four sets of casters 101b respectively fixed at the four corners of the base plate 101a, and the bottom of the retractable adjustable support rod 102 is fixedly connected to the center of the base plate 101a; here, the caster 101b adopts a caster with a foot brake function; the design structure is simple and reliable.

[0038] In this embodiment, a counterweight block 6 is placed on the base plate 101a; the counterweight block 6 can be a brick, stone, etc., which is easy to install and can be placed directly on the base plate 101a; the setting of the counterweight block 6 can enhance the friction of the caster 101b and prevent the base 101 from shifting.

[0039] In this embodiment, the telescopic adjustable support rod 102 includes an outer sleeve 102a fixed at the center of the base plate 101a and an inner sleeve 102b slidably arranged in the outer sleeve 102a, and the inner sleeve 102b is evenly arranged with a plurality of height adjustment holes 102b1 along the height direction, and two groups of locking bolt assemblies 102c are arranged on the outer sleeve 102a, and the locking bolt assemblies 102c use the height adjustment holes 102b1 to lock the outer sleeve 102a and the inner sleeve 102b together, where the locking bolt assembly 102c includes a bolt and a nut, and the bolt passes through the inner sleeve 102b and the outer sleeve 102a; the telescopic adjustable support rod 102 in this design has a simple structure and is easy to adjust, and adopts two groups of locking bolt assemblies 102c, so as to have good connection strength, good durability of the device, and good overall stability.

[0040] This embodiment also discloses a method for installing a curved roof light steel keel. The method uses the curved roof light steel keel installation and positioning device as described above to complete the construction, including the following steps:

[0041] S1: Main keel installation, including: completing the full welding connection of all main keels and wall embedded parts in sequence, and using the positioning device to complete the elevation and angle position locking of the main keel before the full welding connection. Specifically, the installation elevation of each main keel and the connection position with the embedded parts are confirmed according to the design requirements of the drawing, the main keel is clamped and fixed by the positioning device, and then the connection is completed by full welding at one time;

[0042] S2: secondary keel installation, including: completing full welding connection of all secondary keels with the main keel in sequence, and using the positioning device to complete the elevation and angle position locking of the secondary keel before full welding connection; specifically, confirming the installation elevation and connection position of each secondary keel with the main keel according to the design requirements of the drawing, clamping and fixing the secondary keel with the positioning device, and then completing the connection by full welding at one time;

[0043] In this construction method, due to the use of the above-mentioned positioning device, the position accuracy and reliability of the main keel and the secondary keel can be guaranteed, so that a full welding can be adopted to complete the reliable connection, which effectively eliminates the displacement deviation of the secondary keel in the subsequent construction, and is conducive to ensuring the quality of the weld; it can effectively improve the construction efficiency and construction quality.

[0044] Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A curved roof light steel keel installation and positioning device, characterized in that: It comprises a support frame (1) and a clamping and positioning assembly arranged on the support frame (1) for clamping and positioning a light steel keel, wherein the support frame (1) comprises a movable base (101) and a telescopic adjustable support rod (102) arranged on the movable base (101); The clamping and positioning assembly comprises: A support plate (2) is fixedly mounted on the top of the telescopic and adjustable support rod (102); An angle adjustment rod (3) is arranged on the support plate (2) in a hinged and lockable manner; A support plate (4) is arranged on the angle adjustment rod (3) in a manner that it can be driven to rotate around the axis of the angle adjustment rod (3) and can be locked, and the height position of the support plate (4) is adjustable; Two groups of clamping components (5) are respectively arranged at two ends of the support plate (4) and are used to clamp the framework of the light steel keel.

2. The curved roof light steel keel installation and positioning device according to claim 1 is characterized in that: The clamping component (5) comprises a clamping seat (501) and a clamping claw (502) arranged on the clamping seat (501) and used for clamping the light steel keel frame; A support rod (503) is fixedly provided at the bottom of the clamping seat (501). The support rod (503) is arranged on the support plate (4) in a manner that it can rotate around its own axis and can be locked, and the height position of the support rod (503) is adjustable.

3. The curved roof light steel keel installation and positioning device according to claim 2 is characterized in that: The two ends of the support plate (4) are respectively provided with elongated holes (4a) arranged along the length direction of the support plate (4); the support rod (503) is a threaded rod, and the support rod (503) is fixed in the elongated holes (4a) at the corresponding ends of the support plate (4) by two sets of locking nuts (503a).

4. The curved roof light steel keel installation and positioning device according to claim 2, characterized in that: The clamping seat (501) is a U-shaped structure, and the clamping jaw (502) includes two groups of clamping plates (502a) respectively arranged on two side plates of the clamping seat (501), and the distance between the two clamping plates (502a) is adjustable.

5. The curved roof light steel keel installation and positioning device according to claim 1, characterized in that: Two parallel hinged plates (201) are fixedly provided on the top of the support plate (2), a hinged shaft (301) is fixedly provided on the bottom of the angle adjustment rod (3), and both ends of the hinged shaft (301) are rotatably connected to the hinged plates (201) on both sides respectively; A gate-shaped seat (202) is fixedly provided on the top of the support plate (2), and a long guide limit hole (202a) is provided on the gate-shaped seat (202) arranged along the swing direction of the angle adjustment rod (3), and the upper part of the angle adjustment rod (3) passes through the guide limit hole (202a). Adjustment bolts (203) are respectively provided on both sides of the gate-shaped seat (202) along the swing direction of the angle adjustment rod (3), and the tails of the two adjustment bolts (203) are respectively pressed against the side walls of the angle adjustment rod (3).

6. The curved roof light steel keel installation and positioning device according to claim 5, characterized in that: An abutment sleeve (204) is fixedly provided at the tail of the adjusting bolt (203), the abutment end of the abutment sleeve (204) being a ball head (204a), and the diameter of the ball head (204a) being equal to the width of the guide limiting hole (202a).

7. The curved roof light steel keel installation and positioning device according to claim 1 is characterized by: The movable base (1) comprises a base plate (101a) and four sets of casters (101b) respectively fixedly arranged at the four corners of the base plate (101a), and the bottom of the telescopic adjustable support rod (102) is fixedly connected to the center of the base plate (101a).

8. The curved roof light steel keel installation and positioning device according to claim 7, characterized in that: A counterweight (6) is placed on the bottom plate (101a).

9. The curved roof light steel keel installation and positioning device according to claim 7, characterized in that: The telescopic adjustable support rod (102) comprises an outer sleeve (102a) fixed at the center of the base plate (101a) and an inner sleeve (102b) slidably arranged in the outer sleeve (102a), the inner sleeve (102b) being evenly arranged with a plurality of height adjustment holes (102b1) along the height direction, and two groups of locking bolt assemblies (102c) being arranged on the outer sleeve (102a), and the locking bolt assemblies (102c) utilizing the height adjustment holes (102b1) to lock the outer sleeve (102a) and the inner sleeve (102b) together.

10. A method for installing a curved roof light steel keel, using the curved roof light steel keel installation and positioning device as described in any one of claims 1 to 9 to complete the construction, characterized in that: The steps include: S1: Main keel installation, including: completing the full welding connection of all main keels and wall embedded parts in sequence, and using the positioning device to complete the elevation and angle position locking of the main keel before the full welding connection; S2: secondary keel installation, including: completing the full welding connection of all secondary keels with the main keel in sequence, and using the positioning device to complete the elevation and angle position locking of the secondary keel before the full welding connection.

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