Curing device for concrete crack prevention
By designing a concrete anti-crack curing device using rollers and spray pipes, the problems of low laying efficiency and insufficient moisture of plastic sheeting were solved, achieving efficient laying and reducing early cracking.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG YIJIAN CONSTR GROUP
- Filing Date
- 2025-03-12
- Publication Date
- 2026-04-14
AI Technical Summary
In existing technologies, laying plastic sheeting on concrete surfaces is inefficient and makes it difficult to keep the concrete surface moist, leading to early cracking.
A curing device comprising a roller, a spray pipe, and a plastic sheet layer was designed. The roller drives the spray pipe to roll on the concrete surface and spray atomized water. Then, the plastic sheet layer is laid. The sprayed water acts as an adhesive to make the plastic sheet layer adhere to the concrete surface and keep it moist.
It improved the efficiency of laying plastic sheeting, kept the concrete surface moist, and reduced the occurrence of early shrinkage cracks.
Smart Images
Figure CN224119952U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of concrete curing technology, and in particular to a curing device for preventing concrete cracks. Background Technology
[0002] Covering concrete surfaces with plastic sheeting is a common curing method. Its main purpose is to maintain the humidity of the concrete surface, prevent moisture from evaporating too quickly, reduce internal stress caused by insufficient moisture, thereby reducing early cracks in the concrete and ensuring its strength and durability.
[0003] Before laying plastic sheeting on the concrete surface, a suitable amount of water needs to be sprayed evenly on the concrete surface to provide sufficient moisture. Since the concrete has not yet fully solidified, workers will leave footprints on the concrete surface during the process of laying the plastic sheeting. Workers need to squat down and use a scraper to smooth out the footprints before laying the plastic layer, resulting in low efficiency of plastic sheeting laying.
[0004] Therefore, it is necessary to provide a new curing device for preventing concrete cracking to solve the above problems. Utility Model Content
[0005] The technical problem solved by this utility model is to provide a concrete crack prevention curing device that facilitates the laying of plastic film and keeps the inside of the plastic film moist.
[0006] To solve the above-mentioned technical problems, the present invention provides a concrete crack prevention curing device comprising: a roller, both ends of which are rotatably connected to a fixed shaft, and a support rod fixedly connected to the side wall of the fixed shaft; a spray pipe rotatably connected to the top of the support rod, and multiple atomizing nozzles installed on the side wall of the spray pipe; a threaded connection between the top of the support rod and a screw rod, and the support rod abutting against the side wall of the spray pipe; fixed rods symmetrically arranged on the side wall of the support rod, and a plastic cloth layer connected to the bottom end of the fixed rod.
[0007] Preferably, a handrail is fixedly connected to the side wall of the fixed shaft, and the handrail and the support rod are located on both sides of the fixed shaft.
[0008] Preferably, the plastic sheet is rolled onto the side wall of the roll and laid on the surface of the concrete layer.
[0009] Preferably, the top end of the support rod is fixedly connected to a connecting rod, and the inside of the connecting rod is slidably connected to a fixing rod; the bottom end of the fixing rod is rotatably connected to and engages with a rubber plug, and the rubber plug is engaged inside the reel.
[0010] Preferably, a spring is installed inside the connecting rod, and one end of the spring is connected to the side wall of the fixing rod.
[0011] Preferably, the spray pipe is located between the connecting rod and the reel, and a connecting hose is installed at one end of the spray pipe.
[0012] Compared with related technologies, the concrete crack prevention curing device provided by this utility model has the following beneficial effects:
[0013] This utility model provides a curing device for preventing cracks in concrete. When laying a plastic sheet on the concrete surface, the rubber stopper is first inserted into the inside of the roller. The handle is pulled, and the handle drives the roller to roll on the concrete surface. The roller is made of iron. As the roller rotates, it flattens the footprints left by workers on the concrete surface, making the concrete surface smooth. As the roller moves the support rod on the concrete surface, water enters the inside of the spray pipe. The water is atomized through the atomizing nozzle and sprayed evenly on the concrete surface. Then, the fixing rod drives the roller to rotate, causing the plastic sheet wrapped around the side wall of the roller to untangle. The plastic sheet is then laid on the concrete surface. A layer of water is sprayed before laying the plastic sheet, and the water acts as an adhesive, making the plastic sheet adhere to the concrete surface, which is convenient for workers to lay. Workers do not step on water on the concrete surface when laying the plastic sheet, keeping the concrete surface moist and effectively retaining the moisture inside the concrete. The plastic film can slow down the shrinkage process of the concrete, thereby reducing the formation of shrinkage cracks. Attached Figure Description
[0014] Figure 1 A schematic diagram of a preferred embodiment of the concrete crack prevention curing device provided by this utility model;
[0015] Figure 2 for Figure 1 The top view of the concrete layer structure shown;
[0016] Figure 3 for Figure 2 The diagram shows an enlarged view of the structure at point A.
[0017] Figure 4 for Figure 2 The diagram shows the internal structure of the connecting rod.
[0018] Figure 5 for Figure 2 The diagram shows the structure of the spray pipe.
[0019] The following are the labels in the diagram: 1. Concrete layer, 2. Plastic sheet layer, 21. Roller, 3. Fixing rod, 31. Connecting rod, 32. Rubber plug, 33. Spring, 4. Support rod, 5. Roller, 51. Fixing shaft, 6. Handrail, 7. Spray pipe, 71. Connecting hose, 72. Atomizing nozzle, 73. Screw. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0021] Please see Figures 1 to 5 , Figure 1 A schematic diagram of a preferred embodiment of the concrete crack prevention curing device provided by this utility model; Figure 2 for Figure 1 The top view of the concrete layer structure shown; Figure 3 for Figure 2 The diagram shows an enlarged view of the structure at point A. Figure 4 for Figure 2 The diagram shows the internal structure of the connecting rod. Figure 5 for Figure 2 The diagram shows the structure of the spray pipe. The concrete crack prevention curing device includes: a roller 5, with fixed shafts 51 rotatably connected to both ends of the roller 5; support rods 4 are fixedly connected to the side walls of the fixed shafts 51; a spray pipe 7 is rotatably connected to the top of the support rods 4; multiple atomizing nozzles 72 are installed on the side walls of the spray pipe 7; the top of the support rods 4 is threadedly connected to a screw 73, and the support rods 4 abut against the side walls of the spray pipe 7; fixed rods 3 are symmetrically arranged on the side walls of the support rods 4, and plastic sheeting 2 is connected to the bottom of the fixed rods 3. When laying the plastic sheeting layer 2 on the surface of concrete layer 1, first insert the rubber stopper 32 into the inside of the roller 21, pull the handle 6, and the handle 6 will drive the roller 5 to roll on the surface of concrete layer 1. The roller 5 is made of iron. As the roller 5 rotates, it flattens the footprints left by the workers on the surface of concrete layer 1, making the concrete surface smooth. As the roller 5 drives the support rod 4 to move on the surface of concrete layer 1, water enters the inside of the spray pipe 7. The water is atomized by the atomizing nozzle 72 and sprayed evenly on the surface of concrete layer 1. The fixing rod 3 drives the roller 21 to rotate, causing the plastic sheet layer 2 wrapped around the side wall of the roller 21 to unwrap. The plastic sheet layer 2 is then laid on the surface of the concrete layer. A layer of water is sprayed before laying the plastic sheet layer 2, and the water acts as an adhesive, making the plastic sheet layer 2 stick to the surface of the concrete layer. This makes it easier for workers to lay the plastic sheet layer 2. When workers lay the plastic sheet layer 2, they will not step on the water on the surface of the concrete layer, keeping the concrete surface moist. This effectively retains the moisture inside the concrete. The plastic film can slow down the shrinkage process of the concrete, thereby reducing the generation of shrinkage cracks.
[0022] The handrail 6 is fixedly connected to the side wall of the fixed shaft 51. The handrail 6 and the support rod 4 are located on both sides of the fixed shaft 51. In order to make it easier to hold the handrail 6, the roller 5 and the scroll 21 are driven to roll above the concrete layer.
[0023] The plastic sheet layer 2 is rolled up on the side wall of the roll 21 and laid on the surface of the concrete layer 1 in order to facilitate the rotation of the roll 21.
[0024] The top end of the support rod 4 is fixedly connected to the connecting rod 31, and the inside of the connecting rod 31 is slidably connected to the fixing rod 3. The bottom end of the fixing rod 3 is rotatably connected to and engages with the rubber plug 32, which is engaged inside the roll 21. A spring 33 is installed inside the connecting rod 31, and one end of the spring 33 is connected to the side wall of the fixing rod 3. Pulling the fixing rod 3 causes it to slide out from inside the connecting rod 31, lengthening the spring 33. This inserts the rubber plug 32 at one end of the fixing rod 3 into the inside of the roll 21, causing the spring 33 inside the fixing rod 3 to contract and drive the fixing rod 3 into the inside of the connecting rod 31. This allows the two fixing rods 3 to clamp the roll 21, facilitating the rolling of the roll 21 above the concrete.
[0025] The spray pipe 7 is located between the connecting rod 31 and the roller 21. A connecting hose 71 is installed at one end of the spray pipe 7. In order to connect the spray pipe 7 to the water source through the connecting hose 71, the water pump in the water source moves to draw water into the interior of the spray pipe 7.
[0026] The working principle of this utility model is as follows: During concrete curing, the fixing rod 3 is pulled first, and the fixing rod 3 slides out from the inside of the connecting rod 31 to lengthen the spring 33. The rubber plug 32 at one end of the fixing rod 3 is inserted into the inside of the roller 21, and the spring 33 inside the fixing rod 3 contracts, driving the fixing rod 3 into the inside of the connecting rod 31, thereby clamping and fixing the roller 21 with the two fixing rods 3. The spray pipe 7 is connected to the connecting hose 71, which connects the spray pipe 7 to a water source. A water pump in the water source draws water into the spray pipe 7. Pulling the handrail 6 causes the roller 5 (made of iron) to roll on the surface of the concrete layer 1. As the roller 5 rotates, it flattens the footprints left by workers on the concrete layer 1, making the surface smooth. The roller 5 also moves the support rod 4 on the surface of the concrete layer 1. Water enters the spray pipe 7 and is atomized evenly by the atomizing nozzle 72. The plastic sheet is sprayed onto the surface of the concrete layer 1. Then, the fixing rod 3 drives the roller 21 to rotate, causing the plastic sheet 2 wrapped around the side wall of the roller 21 to unwrap. The plastic sheet 2 is then laid on the surface of the concrete layer. A layer of water is sprayed first before laying the plastic sheet 2. The water acts as an adhesive, making the plastic sheet 2 stick to the surface of the concrete layer, which is convenient for workers to lay the plastic sheet 2. Workers will not step on the water on the surface of the concrete layer when laying the plastic sheet 2. The concrete surface remains moist, which can effectively retain the moisture inside the concrete. The plastic film can slow down the shrinkage process of the concrete, thereby reducing the generation of shrinkage cracks.
[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A curing device for preventing cracks in concrete, characterized in that, include: A roller (5) is rotatably connected to a fixed shaft (51) at both ends. A support rod (4) is fixedly connected to the side wall of the fixed shaft (51). A spray pipe (7) is rotatably connected to the top of the support rod (4). Multiple atomizing nozzles (72) are installed on the side wall of the spray pipe (7). The top of the support rod (4) is threadedly connected to a screw (73), and the support rod (4) abuts against the side wall of the spray pipe (7). The support rod (4) has symmetrically arranged fixing rods (3) on its side wall, and the bottom end of the fixing rod (3) is connected to a plastic cloth layer (2).
2. The concrete crack prevention curing device according to claim 1, characterized in that, The side wall of the fixed shaft (51) is fixedly connected to the handrail (6), and the handrail (6) and the support rod (4) are located on both sides of the fixed shaft (51).
3. The concrete crack prevention curing device according to claim 1, characterized in that, The plastic sheet layer (2) is rolled on the side wall of the roll (21) and laid on the surface of the concrete layer (1).
4. The concrete crack prevention curing device according to claim 3, characterized in that, The top end of the support rod (4) is fixedly connected to the connecting rod (31), and the inside of the connecting rod (31) is slidably connected to the fixing rod (3); the bottom end of the fixing rod (3) is rotatably connected to and engaged with the rubber plug (32), and the rubber plug (32) is engaged inside the scroll (21).
5. The concrete crack prevention curing device according to claim 4, characterized in that, A spring (33) is installed inside the connecting rod (31), and one end of the spring (33) is connected to the side wall of the fixing rod (3).
6. The concrete crack prevention curing device according to claim 4, characterized in that, The spray pipe (7) is located between the connecting rod (31) and the reel (21), and a connecting hose (71) is installed at one end of the spray pipe (7).