Roof purline installation method and transportation device

Abstract

The invention provides a roof purline installation method and a roof purline transportation device. The purline transportation device is arranged on the roof, the purline is transported to the installation position through a two-step method, the purline is transported to the roof storage position in the first step, the purline is automatically transported to the installation position of the roof from the roof storage position through the transportation device in the second step, workers only need to fix the purline at the installation position, and time and labor are saved; the installation efficiency can be improved, and the construction safety is improved. The transporting device can comprise a first support and a second support which are fixed to the roof and used for supporting the first rope and the second rope. The first electric hoist and the second electric hoist are installed on the first rope and the second rope respectively and can move in the length direction of the first rope and the second rope. During transportation operation, the lifting hook of the first electric hoist is connected with one end of the purline, the lifting hook of the second electric hoist is connected with the other end of the purline, and the purline can be automatically transported to the installation position of the purline.

Description

Technical Field

[0001] This invention belongs to the field of roofing systems in building envelope, and specifically relates to a method for installing and transporting roof purlins. Background Technology

[0002] Roofing in the building envelope (e.g., Figure 1 This is a roof purlin system structure (the dashed box indicates the roof surface), where purlins are typically installed. Roof styles vary, and purlin installation methods are also diverse. Currently, purlin installation generally combines hoisting technology to lift the purlins to their installation positions. Purlin hoisting technology is developing towards automation, efficiency, and safety, combining intelligent equipment, new node designs, and standardized management to significantly improve construction efficiency and reduce risks.

[0003] To improve installation efficiency, a multi-stage parallel hoisting system is typically used. This system employs a tiered suspension structure to hoist multiple purlins at once, then controls the crane's lifting and rotation to install each purlin sequentially. For example, the rapid construction method for steel structure purlins disclosed in CN119954017A uses a tiered suspension structure with main wire ropes, lifting rings, and clips, installing purlins sequentially from bottom to top, thus increasing work efficiency.

[0004] The installation method for long-span purlins mainly adopts a scheme of crossbeams plus multi-point hoisting, such as hoisting multiple purlins at one time to reduce the frequency of crane use, and combined with the pre-installation of tie rods to improve the overall construction efficiency.

[0005] However, regardless of the method, workers are required to coordinate the positioning and installation of the purlins at a high position on the roof. Especially when the purlins are hoisted and transported by crane, the surrounding environment may limit the transport to the eaves and prevent them from being fully hoisted to the installation position. Alternatively, the crane radius may be limited, preventing the purlins from being fully hoisted to the installation position. In the case of large-span roof projects, the hoisting conditions are more difficult, and it may be impossible to fully hoist the purlins to the installation position. In such cases, workers need to carry the purlins by hand, which not only reduces efficiency and increases labor costs but also poses safety hazards. Summary of the Invention

[0006] In view of the above-mentioned technical situation, the present invention provides a method for installing roof purlins. The method involves setting up a transportation device on the roof to automatically transport the purlins from the roof storage location to the roof installation position. This solves the problems of time-consuming and labor-intensive manual handling of purlins and the safety hazards involved. The method is applicable to the installation of roof purlins, especially when the hoisting conditions do not meet the requirements for directly hoisting the roof purlins to the installation position.

[0007] The technical solution provided by the present invention is: a method for installing roof purlins, wherein a transport device is set up on the roof; firstly, several purlins to be installed are transported to the roof for storage, and then the transport device is used to transport the purlins to be installed from the roof storage location to the installation position on the roof.

[0008] The location of the purlins to be installed on the roof is not limited, but it is preferred to store them at the eaves of the roof; more preferably, the transport device is set at the eaves of the roof to facilitate the transport of the purlins to be installed.

[0009] The transport device can transport one purlin to its installation location at a time, or it can transport multiple purlins to their respective installation locations for individual installation. Considering the roof's load-bearing capacity, it is preferable that the transport device transport one purlin to its installation location at a time.

[0010] The present invention also provides a transport device for roof purlins, the transport device being installed on the roof; The transport device includes a first support, a second support, a first electric hoist, and a second electric hoist fixed on the roof. The first support is used to support the first rope above the roof, and the second support is used to support the second rope above the roof; The first electric hoist is mounted on the first rope and is capable of moving along the length of the first rope; The second electric hoist is mounted on the second rope and is capable of moving along the length of the second rope; During transport, the hook of the first electric hoist is connected to one end of the purlin to be installed, and the hook of the second electric hoist is connected to the other end of the purlin to be installed, so that the purlin to be installed can be automatically transported to its installation position.

[0011] The method for installing purlins using the roof purlin transport device of the present invention includes the following steps: (1) Transport several purlins to be installed to the roof for storage; install the transport device for the roof purlins on the roof; (2) Connect one end of a purlin to be installed to the hook of the first electric hoist and the other end to the hook of the second electric hoist; start the first electric hoist and the second electric hoist, the purlin to be installed is lifted, and the first electric hoist moves along the first rope from its initial position and the second electric hoist moves along the second rope from its initial position. When the purlin to be installed moves above its installation position, the first electric hoist stops moving along the first rope and the second electric hoist stops moving along the second rope. The purlin to be installed is lowered to its installation position. Then the first electric hoist moves along the first rope to its initial position and the second electric hoist moves along the second rope to its initial position. (3) Repeat step (2) until each purlin to be installed is transported to its installation location.

[0012] Preferably, in step (1), the purlin is transported to the eaves of the roof, and the installation position of the purlin transport device is close to the eaves.

[0013] The structure of the first support is not limited. As an optimized structure, the first support includes support rod A and support rod B. One end of support rod A is fixed to the roof, and the other end is fixedly connected to one end of the first rope. One end of support rod B is fixed to the roof, and the other end is fixedly connected to the other end of the first rope.

[0014] The structure of the second support is not limited. As an optimized structure, the second support includes a C-branch and a D-branch. One end of the C-branch is fixed to the roof, and the other end is fixedly connected to one end of the second rope. One end of the D-branch is fixed to the roof, and the other end is fixedly connected to the other end of the second rope.

[0015] To improve the fixing effect between the first and second supports and the roof, preferably, the roof fixes the first and second metal structures, with the first support fixedly connected to the first metal structure and the second support fixedly connected to the second metal structure. The fixing method is not limited, and can include welding, fastener connection, etc. More preferably, the first and second metal structures are made of steel, forming a first steel structure and a second steel structure. The first and second steel structures are not limited, and can be, for example, I-beams, H-beams, etc. H-beams, for example... Figure 2 As shown, it is a steel structure with an H-shaped cross section, consisting of a web and two flanges. When under load, the two flanges are arranged in an upper and lower structure, called the upper flange and the lower flange. The upper flange consists of two parts, referred to as the outer side of the upper flange and the inner side of the upper flange.

[0016] When both the first and second steel structures are H-beams, it is preferable that the roof is constructed with both first and second H-beams, such as... Figure 3 As shown, support rod A is fixedly connected to one end of the upper flange of the first H-beam, support rod B is fixedly connected to one end of the upper flange of the second H-beam, support rod C is fixedly connected to the other end of the upper flange of the first H-beam, and support rod D is fixedly connected to the other end of the upper flange of the second H-beam.

[0017] To further strengthen the connection, a base A is preferably provided, and the support rod A is fixed to the upper flange of the first H-beam through the base A. The base A includes a first plate and a second plate. The first plate has a U-shaped groove structure, including a first groove wall, a second groove wall, and a groove bottom, which can wrap around the outer and inner upper surfaces of the upper flange of the first H-beam. The second plate is located on the lower surface of the inner side of the upper flange. The first groove wall has a through hole, denoted as the through hole of the first groove wall. The second plate has a through hole, denoted as the through hole of the second plate. Bolts can pass through the through holes of the first groove wall and the second plate to fix the first plate and the second plate together with the upper flange of the first H-beam. The support rod A is fixedly connected to the outer surface of the first groove wall by welding or other methods.

[0018] Similarly, one or more of bases B, C, and D can be preferably provided. Support rod B is fixed to the upper flange of the second H-beam through base B, support rod C is fixed to the upper flange of the first H-beam through base C, and support rod D is fixed to the upper flange of the second H-beam through base D. The structure of bases B, C, and D is similar to that of base A.

[0019] As a further optimization, a first stiffening plate and a second stiffening plate are also provided on both sides of support rod A to make support rod A more stable. Similarly, two stiffening plates can be provided on both sides of support rods B, C, and D for stabilization.

[0020] Compared with the prior art, the present invention has the following advantages or positive effects: (1) In the installation of roof purlins, the present invention sets up a purlin transport device on the roof and uses a two-step method to transport the purlins to their installation position. The first step is to transport the purlins to the roof storage position. The second step is to use the transport device to automatically transport the purlins from the roof storage position to the roof installation position. Workers only need to fix the purlins at the installation position, which saves time and effort, improves installation efficiency, and improves construction safety.

[0021] (2) The roof purlin transport device provided by the present invention has a simple structure and is easy to install. The roof purlin can be transported to its installation position through the device.

[0022] (3) The roof purlin installation method provided by the present invention is particularly suitable for situations where the purlin cannot be fully hoisted to the installation position due to the limitations of the surrounding environment when the purlin is hoisted and transported by a crane, the crane radius is limited and it is not possible to fully hoist the purlin to the installation position, and the hoisting conditions are difficult in large-span roof projects, making it impossible to fully hoist the purlin to the installation position, thus requiring workers to carry the purlin by hand. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a roof purlin system.

[0024] Figure 2 This is a structural diagram of an H-beam.

[0025] Figure 3 This is a schematic diagram of the structure of the roof purlin transportation device in an embodiment of the present invention.

[0026] Figure 4 yes Figure 3 A magnified view of the area circled in the middle.

[0027] Figure 5 yes Figure 3 Side view of the structure at the center circle.

[0028] Figure 6 yes Figure 5 Structural diagram of the first plate in the middle.

[0029] Figure 1-6 The numbers in the text are marked as follows: Web 1, upper flange 2, outer side of upper flange 2.1, inner side of upper flange 2.2, lower flange 3, first plate 5, second plate 6, first bolt 81, second bolt 82, first stiffening plate 91, second stiffening plate 92; first groove wall 51, second groove wall 52, groove bottom 53; Roof 100, purlins 200; First support 10, A support rod 11, B support rod 12, second support 20, C support rod 21, D support rod 22, first electric hoist 30, second electric hoist 40, first rope 50, second rope 60, first H-beam 71, second H-beam 72, third metal part 73, fourth metal part 74. Detailed Implementation

[0030] The present invention will be further described in detail below with reference to the embodiments. It should be noted that the embodiments described below are intended to facilitate the understanding of the present invention. Non-essential improvements and adjustments made to the present invention by those skilled in the art based on the above description of the present invention are still within the protection scope of the present invention.

[0031] In this invention, the terms "including" and "comprising" should be interpreted as including rather than exclusive or exhaustive; that is, they mean "including but not limited to".

[0032] The expressions “first,” “second,” “third,” “fourth,” etc., used in this invention can modify various constituent elements, regardless of their order and / or importance, and are only used to distinguish one constituent element from another, without limiting the corresponding constituent element.

[0033] During the installation of roof purlins, a purlin transport device is installed on the roof, and a two-step method is used to transport the purlins to their installation positions: The first step is to transport the purlins to the roof storage location; the storage location is not limited, but it is preferred to store them at the eaves of the roof. More preferably, the transport device is set up near the eaves of the roof to facilitate the transport of the purlins to be installed. The second step involves using the transport device to automatically transport the purlins from the roof storage area to the installation location on the roof. Workers only need to fix the purlins at the installation location, which saves time and effort, improves installation efficiency, and enhances construction safety.

[0034] like Figure 3 As shown, the roof purlin transport device includes a first bracket 10, a second bracket 20, a first electric hoist 30, and a second electric hoist 40 fixed on the roof 100.

[0035] The first support 10 is used to support the first rope 50 above the roof 100, and the second support 20 is used to support the second rope 60 above the roof.

[0036] The first electric hoist 30 is mounted on the first rope 50 and is capable of moving along the length of the first rope 50. The second electric hoist 40 is mounted on the second rope 60 and is capable of moving along the length of the second rope 60.

[0037] During transportation, the hook of the first electric hoist 30 is connected to one end of the purlin 200 to be installed, and the hook of the second electric hoist 40 is connected to the other end of the purlin 200 to be installed, so that the purlin to be installed can be automatically transported to its installation position.

[0038] The structure of the first support 10 is not limited. In some embodiments, such as... Figure 3 As shown, the first support 10 includes support rod A 11 and support rod B 12. One end of support rod A 11 is fixed to the roof 100, and the other end is fixedly connected to one end of the first rope 30. One end of support rod B 12 is fixed to the roof 100, and the other end is fixedly connected to the other end of the first rope 30. The material of the first rope is not limited; in some embodiments, it is a steel wire rope, specifically a steel wire rope with a locking buckle. One end of the steel wire rope is connected to support rod A 11 via the locking buckle, and the other end is connected to support rod B 12 via the locking buckle. Similarly, the second support 20 includes support rod C 21 and support rod D 22. One end of support rod C 21 is fixed to the roof 100, and the other end is fixedly connected to one end of the second rope 40. One end of support rod D 22 is fixed to the roof 100, and the other end is fixedly connected to the other end of the second rope 40. The material of the second rope is not limited. In some embodiments, it is a steel wire rope, and it is a steel wire rope with a lock. One end of the rope is connected to the C support rod 21 through the lock, and the other end is connected to the D support rod 22 through the lock.

[0039] In some embodiments, to improve the fixing effect with the roof 100, the roof 100 fixes the first metal structure and the second metal structure, with the first bracket 10 fixedly connected to the first metal structure and the second bracket 20 fixedly connected to the second metal structure. The fixing method is not limited; for example, it can be welding, connection via fasteners, etc. In some embodiments, the first metal structure and the second metal structure are made of steel, forming a first steel structure and a second steel structure. The first steel structure and the second steel structure are not limited; for example, I-beams, H-beams, etc., can be selected. Figure 2 As shown, an H-beam is a steel structure with an H-shaped cross-section, consisting of a web 1 and two flanges. The two flanges are arranged in an upper and lower structure, referred to as the upper flange 2 and the lower flange 3. The upper flange 2 consists of two parts, referred to as the outer side of the upper flange 2.1 and the inner side of the upper flange 2.2.

[0040] When both the first and second steel structures are H-beams, such as Figure 3 As shown, the roof is preferably provided with a first H-beam 71 and a second H-beam 72. Support rod A 11 is fixedly connected to one end of the upper flange 2 of the first H-beam 71, support rod B 12 is fixedly connected to one end of the upper flange 2 of the second H-beam 72, support rod C 21 is fixedly connected to the other end of the upper flange 2 of the first H-beam 71, and support rod D is fixedly connected to the other end of the upper flange 2 of the second H-beam 72.

[0041] To further strengthen the connection, such as Figure 4 , 5 As shown, base A is provided. Base A includes a first plate 5 and a second plate 6. Figure 6 As shown, the first plate 5 has a U-shaped groove structure, including a first groove wall 51, a second groove wall 52, and a groove bottom 53, which can cover the upper surface of the outer side 2.1 and the inner side 2.2 of the upper flange 2 of the first H-beam 71; the second plate 6 is disposed on the lower surface of the inner side 2.2 of the upper flange; the first groove wall 51 has two through holes (denoted as the first through hole of the first groove wall and the second through hole of the first groove wall), and the second plate 6 has two through holes (denoted as the first through hole of the second plate and the second through hole of the second plate). The first bolt 81 can pass through the first through hole of the first groove wall 51 and the first through hole of the second plate, and the second bolt 82 can pass through the second through hole of the first groove wall 51 and the second through hole of the second plate. The first plate 5, the second plate 6, and the upper flange 2 are fixed together by the first bolt 81 and the second bolt 82. The support rod 11 is fixedly connected to the outer surface of the first groove wall 51 by welding. Similarly, it is preferable to set base B, base C, and base D, so that support rod B is fixed to the upper flange of the second H-beam through base B, support rod C is fixed to the upper flange of the first H-beam through base C, and support rod D is fixed to the upper flange of the second H-beam through base D.

[0042] To further enhance support stability, in some embodiments, such as Figure 4 As shown, a first stiffening plate 91 and a second stiffening plate 92 are welded to both sides of support rod A 11, and the first stiffening plate 91 and the second stiffening plate 92 are respectively welded to the outer surface of the first groove wall 51. Similarly, support rods B 12, C 21, and D 22 can also be equipped with stiffening plates.

[0043] In some embodiments, such as Figure 3 As shown, a third metal part 73 and a fourth metal part 74 can also be set between the first H-beam 71 and the second H-beam 72 to form an integral metal structure, thereby further improving the stability of the support.

[0044] The method for installing the roof purlins using the roof purlin transport device includes the following steps: (1) Transport several purlins to be installed to the roof for storage; install the transport device for the roof purlins on the roof; (2) Connect one end of a purlin to be installed to the hook of the first electric hoist and the other end to the hook of the second electric hoist; start the first electric hoist and the second electric hoist, the purlin to be installed is lifted, and the first electric hoist moves along the first rope from its initial position and the second electric hoist moves along the second rope from its initial position. When the purlin to be installed moves above its installation position, the first electric hoist stops moving along the first rope and the second electric hoist stops moving along the second rope. The purlin to be installed is lowered to its installation position. Then the first electric hoist moves along the first rope to its initial position and the second electric hoist moves along the second rope to its initial position. (3) Repeat step (2) until each purlin to be installed is transported to its installation location.

[0045] In step (1), the location of the purlins to the roof is not limited. In actual construction, it is preferred to transport them to the eaves, and the installation location of the roof purlin transport device should be close to the eaves.

[0046] The above embodiments provide a detailed description of the technical solution of the present invention. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, additions, or similar substitutions made within the scope of the principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A method of installing a roof purlin, characterized by: The roof is provided with a transporting device; Firstly, a plurality of purlins to be installed are transported to a storage position on the roof, and then the transporting device is used to transport the purlins to be installed from the storage position to an installation position on the roof.

2. The method of installing a roof purlin of claim 1, wherein: The purlins to be installed are stored at an eave position on the roof.

3. A purlin transport apparatus, characterized by: The transporting device is arranged on the roof; The transporting device comprises a first support, a second support, a first electric hoist and a second electric hoist which are fixed on the roof; The first support is used to support a first rope above the roof, and the second support is used to support a second rope above the roof; The first electric hoist is installed on the first rope and can move along the length direction of the first rope; The second electric hoist is installed on the second rope and can move along the length direction of the second rope; During the transporting operation, the hook of the first electric hoist is connected to one end of a purlin to be installed, the hook of the second electric hoist is connected to the other end of the purlin to be installed, and the purlin to be installed can be automatically transported to the installation position.

4. The apparatus of claim 3 wherein: The first support comprises an A support rod and a B support rod, one end of the A support rod is fixed on the roof, and the other end is fixedly connected to one end of the first rope, one end of the B support rod is fixed on the roof, and the other end is fixedly connected to the other end of the first rope; The second support comprises a C support rod and a D support rod, one end of the C support rod is fixed on the roof, and the other end is fixedly connected to one end of the second rope, one end of the D support rod is fixed on the roof, and the other end is fixedly connected to the other end of the second rope.

5. The apparatus of claim 4 wherein: The first support is fixedly connected to a first metal structure, and the second support is fixedly connected to a second metal structure.

6. The apparatus of claim 5 wherein: The first metal structure and the second metal structure are made of steel to form a first steel structure and a second steel structure.

7. The apparatus of claim 6 wherein: The first steel structure and the second steel structure are both H-shaped steel. The roof is provided with a first H-shaped steel and a second H-shaped steel. One end of the A support rod is fixedly connected to one end of the upper flange of the first H-shaped steel, one end of the B support rod is fixedly connected to one end of the upper flange of the second H-shaped steel, the other end of the C support rod is fixedly connected to the other end of the upper flange of the first H-shaped steel, and the other end of the D support rod is fixedly connected to the other end of the upper flange of the second H-shaped steel.

8. The apparatus of claim 7 wherein: One or more of the following conditions (one) to (four) are met: (One) an A base is arranged, the A support rod is fixed on the upper flange of the first H-shaped steel through the A base, and the A base meets condition (five); (Two) a B base is arranged, the B support rod is fixed on the upper flange of the second H-shaped steel through the B base, and the B base meets condition (five); (Three) a C base is arranged, the C support rod is fixed on the upper flange of the first H-shaped steel through the C base, and the C base meets condition (five); (Four) a D base is arranged, the D support rod is fixed on the upper flange of the second H-shaped steel through the D base, and the D base meets condition (five); (Five) the base comprises a first plate and a second plate; The first plate is a U-shaped groove structure, which comprises a first groove wall, a second groove wall and a groove bottom, and can wrap the outer side and the upper surface of the inner side of the upper flange of the H-shaped steel; The second plate is arranged on the lower surface of the inner side of the upper flange; The first slot wall is provided with a through hole, which is referred to as the through hole of the first slot wall; the second plate is provided with a through hole, which is referred to as the through hole of the second plate; the bolt can pass through the through hole of the first slot wall and the through hole of the second plate to fix the first plate, the second plate and the upper flange of the H-shaped steel together; The support rod is fixedly connected to the outer surface of the first slot wall.

9. The apparatus of claim 7 wherein: Satisfy one or more of the following conditions (one) to (four): (A) A support rod is provided with stiffening plates on both sides; (B) A support rod is provided with stiffening plates on both sides; (C) A support rod is provided with stiffening plates on both sides; (D) A support rod is provided with stiffening plates on both sides.

10. Method for installing a purlin on a roof using the transport device according to any one of claims 3 to 9, characterized in that: The steps include: (1) Transporting a plurality of to-be-installed purlins to a roof storage; installing a transport device of the roof purlin on the roof; (2) Connecting one end of a to-be-installed purlin to a hook of a first electric hoist and the other end to a hook of a second electric hoist; starting the first electric hoist and the second electric hoist, the to-be-installed purlin is lifted, and the first electric hoist moves along the first rope from its initial position, and the second electric hoist moves along the second rope from its initial position; when the to-be-installed purlin moves above its installation position, the first electric hoist stops moving along the first rope, and the second electric hoist stops moving along the second rope; the to-be-installed purlin is lowered to its installation position, and then the first electric hoist moves along the first rope to its initial position, and the second electric hoist moves along the second rope to its initial position; (3) Repeat step (2) until each to-be-installed purlin is transported to its installation position.

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