Climbing form anti-falling device and climbing form anti-falling method

Abstract

The application discloses a climbing form anti-falling device, which comprises a rigid frame, a plurality of preset connecting pieces and a safety rope. The frame comprises a plurality of beam bodies which are fixedly connected with each other in a cross manner. The preset connecting pieces are arranged on the top of a main building structure which has been constructed, and the beam bodies or / and the connecting nodes of the beam bodies are detachably connected with the preset connecting pieces, so that the frame is installed on the top of the main building structure. The main building structure has at least one climbing form construction surface. The beam bodies comprise a plurality of hanging rope beams, at least one end of each of the hanging rope beams extends towards the climbing form construction surface. The hanging rope beam is provided with a fixing part. The first connecting part of the safety rope is connected with the climbing form, and the second connecting part is adjustably connected with the fixing part. The safety rope and the hanging rope beam connected with the safety rope are collinear in a horizontal plane. The application further provides a climbing form anti-falling construction method, which adopts the anti-falling device described above. The anti-falling device and the anti-falling method effectively avoid the risk of anchoring failure, provide continuous pulling for the climbing form, and improve the safety of the climbing form construction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of climbing formwork construction, and in particular to a climbing formwork anti-falling device and a climbing formwork anti-falling construction method. BACKGROUND

[0002] Hydraulic climbing formwork systems are widely used in the construction of main structures such as high piers and bridge towers, and the safety thereof is directly related to the lives of construction personnel and the progress of the project. Traditional climbing formwork relies on embedded parts and wall attachment devices for support, but in actual projects, accidents often occur due to insufficient strength of embedded parts, local defects in concrete, or failure of wall attachment devices. For example, a climbing formwork falling event occurred in a bridge project in Fujian, which caused a major safety accident and resulted in serious casualties. Although existing technologies add anti-falling devices to the climbing formwork body, they still rely on the same embedded system and cannot provide independent failure insurance. Therefore, there is an urgent need for an anti-falling device that is independent of the main support system of the climbing formwork to provide reliable secondary protection for high-altitude work. SUMMARY

[0003] The present application relates to the technical field of climbing formwork construction, and in particular to a climbing formwork anti-falling device and a climbing formwork anti-falling construction method.

[0004] To solve the above technical problems, the present application provides a climbing formwork anti-falling device, which comprises a rigid frame; the frame comprises a plurality of mutually intersecting and fixed beams;

[0005] Further comprising a plurality of pre-installed connecting pieces; the pre-installed connecting pieces are fixed to the top of the main structure of the building that has been constructed; the beams or / and the connecting nodes of the beams are detachably connected with a plurality of the pre-installed connecting pieces, so that the frame is installed on the top of the main structure of the building;

[0006] The main structure of the building has at least one climbing formwork construction surface; the beams contain a plurality of hanging rope beams; at least one end of the hanging rope beam extends towards the climbing formwork construction surface; the hanging rope beam is provided with a fixed part;

[0007] Further comprising a plurality of safety ropes; the safety rope has a first connecting part and a second connecting part; the first connecting part is connected to the climbing formwork, and the second connecting part is adjustably connected to the fixed part;

[0008] The safety rope and the hanging rope beam to which it is connected are collinear in the horizontal plane.

[0009] In a preferred embodiment, the hanging rope beam is provided with a plurality of fixed parts at intervals along the length direction; the second connecting part is replaceably connected with different fixed parts.

[0010] In a preferred embodiment, the fixing parts are arranged on the hanging rope beam in a length not less than the height of the building main structure.

[0011] In a preferred embodiment, the first connecting part of the safety rope is connected with the wall attachment device on the climbing track of the climbing form.

[0012] In a preferred embodiment, the hanging rope beam is in the same vertical plane with the climbing track of the climbing form.

[0013] In a preferred embodiment, the building main structure has at least two adjacent climbing form construction surfaces; the hanging rope beam comprises a plurality of intersecting longitudinal hanging rope beams and transverse hanging rope beams.

[0014] In a preferred embodiment, the beam body further comprises a surrounding beam; the surrounding beam surrounds the outer periphery of the hanging rope beam.

[0015] In a preferred embodiment, the beam body is a profile steel beam.

[0016] In a preferred embodiment, the fixing part is a profile steel vertically fixed on the top of the hanging rope beam.

[0017] The present application also provides a climbing form anti-falling construction method, which adopts the climbing form anti-falling device described above; the construction method comprises the following steps:

[0018] Step 1: according to the structure arrangement of the building main structure and the erection position of the climbing form, the structure form of the frame is determined; then the frame is made;

[0019] Step 2: according to the alignment of the hanging rope beam and the lower building main structure, the setting point of the pre-installed connecting part is determined; and the pre-installed connecting part is installed when the lower building main structure is constructed;

[0020] Step 3: after the lower building main structure is constructed, the frame is detachably connected with the pre-installed connecting part to be installed on the top of the building main structure; the safety rope connects the climbing form and the fixing part on the hanging rope beam;

[0021] Step 4: with the climbing of the climbing form, the fixing point of the safety rope and the hanging rope beam is adjusted in real time to continuously pull the climbing form;

[0022] Step 5: after the climbing form completes the construction work of one layer, the anti-falling device is detached from the building main structure;

[0023] Steps 2 to 4 are repeated until the construction work of the climbing form is completed.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] (1) Traditional climbing formwork anchoring systems often use through-wall bolts or small anchors pre-anchored to the exterior wall or beam, which is prone to anchoring failure. The fall protection device provided in this embodiment is a larger, integrated multi-directional force transmission frame, which is anchored at multiple points on the top of the main building structure, providing stable force and effectively avoiding the risk of anchoring failure, thus fundamentally improving the safety of climbing formwork construction. (2) The end of the hanging rope beam is precisely aligned with the climbing track of the climbing formwork, giving full play to the axial tensile strength of the hanging rope beam. (3) The hanging rope beam, together with multiple fixing parts spaced at its top, allows the safety rope to adjust the suspension point in real time as the climbing formwork climbs, providing effective tethering for the climbing formwork continuously. (4) The frame is detachably connected to the main building structure through the pre-set connectors, providing two layers of protection for the climbing formwork throughout the entire cycle as the main building structure moves up layer by layer. (5) The climbing formwork fall protection method provided by this invention uses the fall protection device, which has the above-mentioned technical advantages and improves the safety of climbing formwork construction. Attached Figure Description

[0026] Figure 1 This is a three-dimensional structural diagram of the climbing formwork anti-fall device described in an embodiment of the present invention;

[0027] Figure 2 This is a side view of the climbing formwork anti-fall device in operation according to an embodiment of the present invention.

[0028] The diagram is labeled as follows: 1-Frame, 2-Beam, 3-Hanging rope beam, 31-Longitudinal hanging rope beam, 32-Transverse hanging rope beam, 4-Wall beam, 5-Fixing part, 6-Safety rope, 7-Main building structure, 8-Climbing formwork. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0030] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped", "sleeved / connected", "connected", etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this invention can be understood according to the specific circumstances.

[0032] Example 1

[0033] like Figure 1 and Figure 2 As shown, this embodiment of the invention provides a climbing formwork fall prevention device, which is detachably installed on the top of the constructed main building structure 7. It achieves continuous fixation of the climbing formwork through a force-bearing system independent of traditional anchoring systems. The fall prevention device includes a rigid frame 1, several pre-installed connectors, and a safety rope 6. The structure and connection method of each part are further described below.

[0034] like Figure 1 As shown, the frame 1 includes several intersecting and fixed beams 2 to form a stable bidirectional force transmission network. The beams 2 are preferably steel beams, and more preferably I-beams. In this embodiment, the beams 2 are welded together. The pre-installed connectors are fixed to the top of the constructed main building structure 7. Specifically, when the main building structure 7 is a steel structure, the pre-installed connectors are bolted or welded to the top of the main building structure 7; when the main building structure 7 is a concrete structure, the pre-installed connectors are embedded in the top of the main building structure 7 during concrete pouring. The beams 2 and / or the connection nodes of the beams 2 are detachably connected to the pre-installed connectors, so that the frame 1 is installed on the top of the main building structure 7. Preferably, the frame 1 is bolted to the pre-installed connectors via bolt assemblies, facilitating subsequent disassembly and relocation.

[0035] The main building structure 7 has at least one climbing formwork construction surface. It is easy to understand that the climbing formwork construction surface refers to the building facade constructed by hanging climbing formwork 8. Therefore, the beam body 2 includes several rope-hanging beams 3, at least one end of each rope-hanging beam 3 extending towards the climbing formwork construction surface. In this embodiment, the main building structure 7 has at least two adjacent climbing formwork construction surfaces. Therefore, the rope-hanging beams 3 include several intersecting longitudinal rope-hanging beams 31 and transverse rope-hanging beams 32, extending towards climbing formwork construction surfaces in different directions. The frame 1 also includes surrounding beams 4, several of which surround the outer periphery of the rope-hanging beams 3 to enhance overall torsional stiffness.

[0036] The rope-hanging beam 3 is provided with a plurality of fixing parts 5 at intervals along its length to fix the safety rope 6. Preferably, the fixing part 5 is a steel section vertically fixed to the top of the rope-hanging beam 3. Preferably, on any rope-hanging beam 3, the overall length of the fixing part 5 is not less than the floor height of the main building structure 7, ensuring that the safety rope 6 always has a selectable suspension point during a single climbing stroke of the climbing formwork 8. It is easy to understand that the overall length of the fixing part 5 is the distance between the two outermost fixing parts 5 opposite to each other on the rope-hanging beam 3.

[0037] The safety rope 6 has a first connecting part and a second connecting part. For example... Figure 2 As shown, the first connecting part connects to the climbing formwork 8, and the second connecting part is connected to the fixed part 5 after being stretched and tensioned. To improve structural stability, the hanging rope beam 3 should be subjected to axial force as much as possible to prevent bending deformation. Therefore, the projections of the safety rope 6 and the hanging rope beam 3 connected to it are collinear on the horizontal plane. In other words, for a set of safety ropes 6 and their connected hanging rope beams 3, the connection point of the safety rope 6 on the climbing formwork 8 falls within the vertical plane where the hanging rope beam 3 is located. In this embodiment, the first connecting part of the safety rope 6 is connected to the wall-mounted device located on the climbing track of the climbing formwork 8. Correspondingly, the hanging rope beam 3 and the climbing track of the climbing formwork 8 are located in the same vertical plane to ensure that the hanging rope beam 3 is subjected to axial force.

[0038] like Figure 2 As shown, when the climbing formwork 8 ascends, the operator transfers the safety rope 6 from one fixed part 5 to a fixed part 5 further away from the climbing formwork construction surface, achieving dynamic tightening. During this process, the safety rope 6 remains independent of the hydraulic support system of the climbing formwork 8. Even if the hydraulic support system fails, the safety rope 6 can still directly transfer the load to the main building structure 7 through the frame 1. When the construction work of one floor is completed, the fall arrestor is disassembled and moved upward with the main building structure 7 layer by layer, providing a second layer of protection for the climbing formwork 8 throughout its entire lifecycle. Traditional climbing formwork anchoring systems often use through-wall bolts or small anchors pre-anchored to the exterior wall or structural beam, which are prone to anchoring failure. However, the frame 1 provided in this embodiment is a larger multi-directional force transmission structure, anchored at multiple points on the top of the main building structure 7, ensuring stable force transmission and eliminating the risk of anchoring failure. In particular, the transverse hanging rope beam 32, as shown in the figure, can achieve force self-balancing when climbing formwork is hung at both ends. Therefore, compared with the traditional anchoring system, the connection between the frame 1 and the main building structure 7 has a qualitative improvement in stability.

[0039] In summary, the fall protection device provided in this embodiment of the invention has the following advantages: (1) Traditional climbing formwork anchoring systems often use through-wall bolts or small anchors pre-anchored to the exterior wall or structural beam, which are prone to anchoring failure. The fall protection device provided in this embodiment is a larger, integrated multi-directional force transmission frame 1, which is anchored at multiple points on the top of the main building structure 7, with stable force, effectively avoiding the risk of anchoring failure, and fundamentally improving the safety of climbing formwork construction. (2) The end of the hanging rope beam 3 is precisely aligned with the climbing track of the climbing formwork 8, giving full play to the axial tensile performance of the hanging rope beam 3. (3) The hanging rope beam 3, together with multiple fixing parts 5 spaced apart on its top, allows the safety rope 6 to adjust the suspension point in real time as the climbing formwork 8 climbs, providing effective tethering for the climbing formwork 8 continuously. (4) The frame 1 is detachably connected to the main building structure 7 through the pre-set connectors, providing two layers of protection for the climbing formwork 8 throughout the entire cycle as the main building structure 7 moves up layer by layer.

[0040] Example 2

[0041] This invention provides a climbing formwork fall prevention device, which differs from the fall prevention device provided in Embodiment 1 in that: at least one fixing part is provided on the rope hanging beam. The safety rope has multiple second connecting parts spaced apart along its length for adjustable connection with the fixing part.

[0042] Apart from the differences mentioned above, the rest of the fall protection device provided in this embodiment is the same as in Embodiment 1, and will not be described again here.

[0043] Example 3

[0044] This invention provides a method for preventing falls while climbing formwork, employing a climbing formwork fall prevention device described in Embodiment 1 or Embodiment 2. The construction method includes the following steps: Step 1: Based on the structural layout of the beams and columns of each floor of the main building structure and the erection position of the climbing formwork, determine a suitable structural form for the frame, such as the number, extension direction, and spacing of each rope beam, so that: each rope beam is aligned as closely as possible with the beams of the main building structure, and the ends of each rope beam are aligned with the climbing tracks on each climbing formwork construction surface. Then, the frame is constructed using a steel structure.

[0045] Step 2: Determine the installation points of the pre-installed connectors based on the alignment of each rope-hanging beam with the lower-level building structure. Alignment refers to the intersection points between the rope-hanging beams and the lower-level structural components. Preferably, the rope-hanging beams are supported by lower-level columns or beams of the building structure. The pre-installed connectors are then installed during the construction of the lower-level building structure.

[0046] Step 3: After the lower-level main structure is completed and has reached a certain strength, the frame is detachably connected to the pre-installed connectors, thus installing it on top of the main structure. Next, one end of the safety rope is connected to the climbing formwork, and the other end is tensioned and fixed to the fixing part of each hanging beam. The fall protection device is now installed.

[0047] Step 4: As the climbing formwork ascends, adjust the anchoring point of the safety rope on the hanging beam in real time to provide continuous and effective support for the climbing formwork.

[0048] Step 5: After the climbing formwork completes the construction of one floor, remove the fall arrestor from the main building structure. The climbing formwork relies on its built-in anchoring system for temporary protection. Repeat steps 2 to 4, installing the pre-installed connectors during the construction of the next floor's main building structure, and installing the fall arrestor after the completion of the next floor's main building structure construction to provide tie anchors for the climbing formwork during the construction work on the next floor, and so on, until the climbing formwork construction is completed.

[0049] The above description is merely a preferred embodiment of the present invention and is not intended to limit the patent scope of the present invention. Any technically equivalent modifications made based on the content of this specification shall fall within the protection scope of the present invention.

Claims

1. A climbing formwork fall prevention device, characterized in that: It includes a rigid frame; the frame includes several beams that are intersected and fixed together. It also includes several pre-installed connectors; the pre-installed connectors are fixed to the top of the constructed main building structure; the beam and / or the connection nodes of the beam are detachably connected to several pre-installed connectors so that the frame is installed on the top of the main building structure; The main building structure has at least one climbing formwork construction surface; the beam includes several rope hanging beams; at least one end of each rope hanging beam extends toward the climbing formwork construction surface; and each rope hanging beam is provided with a fixing part. It also includes several safety ropes; each safety rope has a first connecting part and a second connecting part; the first connecting part is connected to the climbing formwork, and the second connecting part is adjustablely connected to the fixed part; The projections of the safety rope and the hanging beam to which it is connected are collinear on the horizontal plane.

2. The climbing formwork fall prevention device according to claim 1, characterized in that: The rope-hanging beam is provided with a plurality of fixing parts at intervals along its length; the second connecting part can be interchangeably connected to different fixing parts.

3. The climbing formwork fall prevention device according to claim 2, characterized in that: The overall length of the fixing parts on any one of the hanging rope beams shall not be less than the floor height of the main building structure.

4. The climbing formwork fall prevention device according to claim 1, characterized in that: The first connection of the safety rope is connected to the wall attachment device located on the climbing track of the climbing formwork.

5. A climbing formwork fall prevention device according to claim 4, characterized in that: The rope beam and the climbing track of the climbing formwork are located in the same vertical plane.

6. The climbing formwork fall prevention device according to claim 1, characterized in that: The main building structure has at least two adjacent climbing formwork construction surfaces; the rope hanging beams include several longitudinal rope hanging beams and transverse rope hanging beams arranged in a cross pattern.

7. A climbing formwork fall prevention device according to claim 1, characterized in that: The beam body also includes a surrounding beam; the surrounding beam is arranged around the outer perimeter of the rope-hanging beam.

8. A climbing formwork fall prevention device according to claim 1, characterized in that: The beam is a steel beam.

9. A climbing formwork fall prevention device according to any one of claims 1 or 7, characterized in that: The fixing part is a steel section fixed to the top of the rope-hanging beam.

10. A method for preventing falls during climbing formwork construction, characterized in that: The climbing formwork fall prevention device according to any one of claims 1 to 9 is adopted; the construction method includes the following steps: Step 1: Determine the structural form of the frame based on the structural layout of the main building structure and the location of the climbing formwork; then construct the frame. Step 2: Determine the installation points of the pre-installed connectors based on the alignment of the rope beam with the main structure of the lower building; and install the pre-installed connectors during the construction of the main structure of the lower building; Step 3: After the construction of the lower building's main structure is completed, the frame and pre-installed connectors are detachably connected to be installed on top of the main building structure; the safety rope connects the climbing formwork to the fixing part on the hanging rope beam; Step 4: As the climbing formwork ascends, adjust the fixing points of the safety rope and the hanging rope beam in real time to continuously secure the climbing formwork. Step 5: After the climbing formwork has completed the construction work for one floor, remove the fall protection device from the main building structure; Repeat steps 2 through 5 until the climbing formwork construction is completed.

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