Self-climbing type surface finishing method for reinforced concrete sloping roof construction

Abstract

The invention discloses a self-climbing surface finishing method for reinforced concrete sloping roof construction, which is characterized in that a rail is erected on a sloping roof, a vibration flat plate is attached to the lower part of the sloping roof, a winch is used for driving, concrete surface finishing is completed in the upward sliding process of the vibration flat plate, and the overall construction quality is better. Operators can work on the working platform and do not need to walk around on the sloping roof, and safety is improved. A self-climbing lifting mode is adopted in the whole surface finishing process, labor intensity is reduced, and construction efficiency is improved. The requirement for concrete is lowered, the vibration flat plate integrates surface finishing and exhaust, and the concrete is prevented from sliding downwards on the sloping roof. In the upward climbing process, vibration and exhaust are integrated, primary leveling is conducted on concrete, when downward sliding is conducted, the concrete surface is leveled again through the flat plate, the concrete apparent quality is good, and the construction quality is improved. The device is not limited by the slope of the sloping roof, can be suitable for sloping roofs with various slopes, and is wide in application range.

Description

Technical Field

[0001] The present invention belongs to the field of construction technology, and particularly relates to a self-climbing finishing method for the construction of reinforced concrete inclined roofs. Background Art

[0002] At present, there are various building forms. Especially in the pursuit of the beauty of architectural art, more and more roofs adopt inclined roofs. However, since the entire construction process of the inclined roof is in an inclined state, the construction environment is poor, the construction difficulty is large, the construction quality cannot be guaranteed, and there are even great potential safety hazards for the operators.

[0003] During construction, the fluidity of the concrete cannot be too large, otherwise the concrete will slide down, making it difficult to form and finish. If the fluidity of the concrete is too small, the construction difficulty is great and the apparent quality of the concrete is poor. In any case, restricted by the environment, the construction of reinforced concrete inclined roofs cannot reach an ideal state, and even causes difficulties in subsequent waterproof construction and leakage.

[0004] To address this series of problems, the commonly used double formwork system can, to a certain extent, solve the quality problems of the inclined roof, but it requires a large amount of formwork and other measure costs and still cannot meet the requirements. Summary of the Invention

[0005] The present invention provides a self-climbing finishing method for the construction of reinforced concrete inclined roofs to solve the technical problems existing in the known technology. By erecting tracks on the inclined roof and attaching a vibrating screed at the lower part, and driving by a winch, the concrete finishing is completed during the upward sliding of the vibrating screed, and the overall construction quality is relatively good.

[0006] The present invention is implemented as follows. A self-climbing finishing method for the construction of reinforced concrete inclined roofs includes the following steps:

[0007] a. After the formwork for the inclined roof is erected and the steel bars are tied, lay 2 connected tracks as the tracks for self-climbing finishing; at the lower part of both ends of the two tracks, there are support legs. The upper part of the support legs is connected to the tracks, and the lower part is directly placed on the formwork of the inclined roof.

[0008] b. Install 2 pulley blocks on each track. Each pulley block consists of 2 pulleys, ensuring that the two pulleys are distributed above and below the track and slide simultaneously.

[0009] c. Set up a platform above the pulley blocks. This platform serves as the overall operating platform, and a winch is installed on the operating platform as the overall power device.

[0010] d. Set up a vibrating screed below the operating platform. The upper part of the vibrating screed structure is connected to the operating platform.

[0011] e. Pour concrete on the inclined roof below the track. The operator is on the operating platform. Turn on the upward switch of the hoist and the vibrating plate switch. The hoist works to drive the operating platform to slide upward. At the same time, while the vibrating plate levels the concrete on the inclined roof, it vibrates to discharge the air bubbles in the concrete. After the operating platform slides to the highest position, turn off the vibrating plate and turn on the downward switch of the hoist. The operating platform slides downward, and the vibrating plate that is turned off levels the roof concrete again.

[0012] f. Move the track and the self-climbing device assembled in a-d as a whole to the uncast and finishing area.

[0013] g. Repeat steps e-f to complete the overall casting and finishing of the inclined roof.

[0014] Further, in step f, the self-climbing device is moved as a whole along the ridge direction manually or by a small hoisting machine, and it is ensured that there is an overlap of 10 cm in width between the vibrating plate and the already finished concrete.

[0015] Further, the two tracks are connected as a whole to ensure that the two tracks are parallel and have the same spacing.

[0016] Further, upper and lower reinforcement end caps are provided at the ends of the two tracks to prevent the phenomenon of roof caving during self-climbing and downward leveling.

[0017] Further, a fixed pulley is provided at the upper reinforcement end cap part and is connected to the hoist of the power device through a steel wire rope.

[0018] Further, a safety railing is provided at the tail of the operating platform to ensure the safety of the operators.

[0019] The advantages and positive effects of the present invention are:

[0020] 1. The operator can work on the operating platform without walking around on the inclined roof, improving safety.

[0021] 2. The entire finishing process adopts a self-climbing and lifting mode, reducing labor intensity and improving construction efficiency.

[0022] 3. The requirements for concrete are reduced. The vibrating plate combines finishing and air exhaust, and it avoids the concrete from sliding downward on the inclined roof.

[0023] 4. During the upward climbing process, vibration and air exhaust are integrated to initially level the concrete. When sliding downward, the plate levels the concrete surface again, resulting in good concrete surface quality and improving construction quality.

[0024] 5. It is not limited by the slope of the inclined roof and can be applied to inclined roofs with various slopes, with a wide application range. Description of the Drawings

[0025] Figure 1 is the perspective view of the self-climbing finishing device of the present invention;

[0026] Figure 2 is the top view of the self-climbing device of the present invention;

[0027] Figure 3 is the front view of the self-climbing device in the present invention;

[0028] Figure 4 is the side view of the completion of the construction method in the present invention;

[0029] Figure 5 is the schematic diagram of the vibrating plate of the present invention.

[0030] In the figure: 1. Track; 2. Leg; 3. Operation platform; 4. Vibrating plate; 5. Winch; 6. Safety railing; 7. Control switch. Detailed implementation manners

[0031] In order to make the purpose, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0032] As Figures 1-4 shown, the self-climbing finishing method for the construction of reinforced concrete inclined roofs of the present invention includes the following steps:

[0033] a. After the formwork support of the inclined roof is completed and the steel bars are tied, before the concrete is poured, 2 connected tracks are laid, and the track spacing is 0.8 m, serving as the tracks for self-climbing finishing, and the tracks are perpendicular to the ridge direction. In this embodiment, the tracks and connecting rods are all made of square steel pipes. Every 1 m between the two tracks is welded and connected with a smaller-sized square steel pipe to ensure that the overall track spacing is consistent and the overall force is applied during the operation.

[0034] Furthermore, legs are provided at the lower parts of both ends of the two tracks. The upper parts of the legs are connected to the tracks, and the lower parts are directly placed on the formwork of the inclined roof. The length of the legs can be a fixed length or a telescopic type. If a fixed length is adopted, the length should match the thickness of the roof.

[0035] Furthermore, upper and lower reinforcement end caps are provided at the ends of the two tracks to prevent the phenomenon of roof caving during self-climbing and downward smoothing.

[0036] Furthermore, a fixed pulley is provided at the upper reinforcement end cap part and is connected to the power device winch through a steel wire rope.

[0037] b. Install 2 pulley blocks on each track, for a total of 4 pulley blocks. Each pulley block consists of 2 pulleys, ensuring that the two pulleys are distributed above and below the track and slide simultaneously.

[0038] c. Set up a platform above the pulley blocks, which serves as the overall operating platform.

[0039] Furthermore, a winch is installed on this operating platform as the overall power device.

[0040] Furthermore, guardrails are set up around the operating platform to ensure the safety of the operators.

[0041] Furthermore, a power supply and a controller are provided on the operating platform, which can control the start and stop of the winch. The controller is directly fixed on the guardrail and is connected to the winch and the power supply by wires.

[0042] d. Set up a vibrating plate below the operating platform. The upper part of the vibrating plate structure is connected to the operating platform. The power supply and control switch are located at the same position as those of the winch for easy operation.

[0043] As Figure 5 shown, the contact part between the bottom of the vibrating plate and the concrete is a smooth steel plate. It is bent at 90° near the upper part. During the upward sliding process, the 90° bent part can push the concrete for paving. It is made into an arc-shaped fold near the lower part to avoid pushing the concrete during the downward sliding process and further smooth the concrete.

[0044] e. Pour concrete. Pour concrete on the inclined roof below the track. The operator is on the operating platform, turns on the upward switch of the winch and the switch of the vibrating plate. The winch works to drive the operating platform to slide upward. At the same time, the vibrating plate vibrates to expel the air bubbles in the concrete while smoothing the concrete on the inclined roof. After the operating platform slides to the highest position, turn off the vibrating plate and turn on the downward switch of the winch. The operating platform slides downward. The vibrating plate that is turned off smooths the concrete on the roof again.

[0045] f. Move the track and its device as a whole to the un-poured and finished parts.

[0046] Use manual or small lifting machinery to move the self-climbing device as a whole along the ridge direction, and ensure that there is a 10 cm width overlap between the vibrating plate and the already finished concrete.

[0047] g. Repeat steps e - f to complete the overall pouring and finishing of the inclined roof.

[0048] h. Remove the self-climbing finishing device.

[0049] After the overall roof pouring is completed and the finishing is completed, remove the self-climbing finishing device for use in the construction of other inclined roof projects.

[0050] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A self-climbing finishing method for the construction of reinforced concrete inclined roofs, characterized in that, It includes the following steps: a. After the formwork erection of the inclined roof and the steel bar binding are completed, lay 2 connected tracks as the tracks for self-climbing finishing; there are support legs at the lower parts of both ends of the two tracks, the upper parts of the support legs are connected to the tracks, and the lower parts are directly placed on the formwork of the inclined roof; b. Install 2 pulley blocks on each track, and each pulley block consists of 2 pulleys, ensuring that the two pulleys are distributed above and below the track and slide simultaneously; c. Set up a platform above the pulley block, and this platform serves as the overall operating platform, and a winch is installed on the operating platform as the overall power device; d. Set up a vibrating screed below the operating platform, and the upper part of the vibrating screed structure is connected to the operating platform; e. Pour concrete on the inclined roof below the track. The operator is on the operating platform, turns on the upward switch of the winch and the switch of the vibrating screed. The winch works to drive the operating platform to slide upward. At the same time, while the vibrating screed levels the concrete on the inclined roof, it vibrates to discharge the air bubbles in the concrete. After the operating platform slides to the highest position, turn off the vibrating screed, turn on the downward switch of the winch, and the operating platform slides downward. The vibrating screed is turned off to level the roof concrete again; f. Move the track and the self-climbing device assembled in a-d as a whole to the uncast and unfinished part; g. Repeat steps e-f to complete the overall casting and finishing of the inclined roof.

2. The self-climbing finishing method for the construction of reinforced concrete inclined roofs according to claim 1, characterized in that, In step f, the self-climbing device as a whole is moved along the ridge direction by manual or small hoisting machinery, and it is ensured that there is a 10-cm-wide overlap between the vibrating screed and the already finished concrete.

3. The self-climbing finishing method for the construction of reinforced concrete inclined roofs according to claim 1, wherein The two tracks are connected into a whole to ensure that the two tracks are parallel and have the same spacing.

4. The self-climbing finishing method for the construction of reinforced concrete inclined roofs according to claim 1, wherein, There are upper and lower reinforcement end caps at the ends of the two tracks to prevent the phenomenon of roof caving during self-climbing and downward leveling.

5. The self-climbing finishing method for the construction of reinforced concrete inclined roofs according to claim 1, characterized in that, A fixed pulley is set at the upper reinforcement end cap part and is connected to the winch of the power device through a steel wire rope.

6. The self-climbing finishing method for the construction of reinforced concrete inclined roofs according to claim 1, characterized in that, A safety railing is set at the tail of the operating platform to ensure the safety of the operators.

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