Surface finishing and covering tool for cast-in-place concrete floor surface

Abstract

The utility model discloses a surface finishing and covering tool for a cast-in-place concrete floor surface. The surface finishing and covering tool integrates two steps of concrete surface finishing and plastic film covering. The surface finishing scraping plate (3) is arranged on a cast-in-place concrete floor surface, the wood connecting plate (2) is connected to the middle of the left end of the top end face of the surface finishing scraping plate (3), the connecting rod (9) is arranged at the left end of the wood connecting plate (2), the wood connecting plate (2) is connected to the right end of the steel pipe (1) through the connecting rod (9), and the U-shaped hook (7) is arranged on the steel pipe (1) on the left side of the connecting rod (9). A winding drum (4) is arranged on the cast-in-place concrete floor surface on the right side of the surface finishing scraping plate (3), a plastic film (5) is wound on the winding drum (4), a V-shaped towing bracket (6) is movably hung on a U-shaped hook (7), and an opening in the lower end of the V-shaped towing bracket is movably clamped in a front port and a rear port of the winding drum; and the surface finishing and maintenance construction efficiency of the concrete is improved.

Description

Technical Field

[0001] The utility model relates to a construction tool, in particular to a finishing and covering tool for the cast-in-place concrete floor surface. Background Technique

[0002] The traditional construction process for the concrete floor surface is as follows: The concrete is uniformly supplied by the on-site mixing plant or the commercial concrete mixing plant, and the mixing plant is responsible for providing the required qualified concrete; before mixing, the technical personnel fill in the concrete pouring notice, indicating the required concrete strength, grade, quantity, pouring time, pouring location, project name, etc.; the pouring of concrete is generally carried out by means of truck transportation and pump truck placing; the pouring and vibration of concrete are the key processes in concrete construction, which have a direct impact on the integrity and compactness of the concrete quality structure. It is required that through pouring and vibration, the concrete is compacted and can completely fill the inside of the formwork to ensure the correct position of the steel bars and embedded parts and ensure good concrete bonding at the construction joint; after the formwork is removed, the concrete surface is required to be flat, smooth and of correct dimensions; the concrete construction is carried out in layers and requires pouring and vibrating simultaneously; the thickness of the concrete pouring layer should not be greater than 1.25 times the length of the effective part of the vibrator, and the slump of the concrete when it is transported to the site before pouring should also meet the specification requirements. The method of placing the concrete mixture into the formwork strictly follows the operating procedures, and the free fall height should not exceed 2 meters. When the pouring height of the vertical structure exceeds 3 meters, a chute or a pipe is used to make the concrete fall to the pouring location; the concrete pouring should be continuous. If it is necessary to interrupt, the interval time should be shortened as much as possible, and the next layer of concrete should be poured before the previous layer of concrete starts to set; during the concrete pouring process, a φ50 inserted vibrator and a flat vibrator are combined. When vibrating the concrete, it should be inserted vertically and the operation of "quick insertion and slow extraction" should be done, and it should be inserted into the lower layer of concrete by 50 mm to promote the integration of the upper and lower layers of concrete; after the concrete pouring is completed, the workers use a wooden float to finish and level the poured concrete surface in a backward manner according to the planned area and route. After the concrete surface is finished, after 8 - 12 hours, curing is carried out after the concrete has finally set. Before curing, a layer of plastic film is first laid on the concrete surface to prevent the evaporation of water in the concrete. When the atmospheric temperature is greater than or equal to 5°C, straw curtains, gunny bags, etc. are covered on the film to cover and sprinkle water appropriately on the concrete to keep the concrete in a sufficiently moist state; when the atmospheric temperature is less than 5°C, heat preservation materials such as cotton quilts or electric blankets should be covered on the film, a thermometer is set at a specified position and a special person is responsible for temperature measurement. Generally, the curing time should not be less than 7 days and nights; in this process, the concrete finishing and covering with plastic film are completed in two steps, and the covering with plastic film for curing can only be carried out 8 - 12 hours after the finishing. How to develop a convenient concrete finishing and covering tool to improve the on-site construction efficiency is a problem that needs to be solved on-site. Summary of the Invention

[0003] The utility model provides a finishing and covering tool for the cast-in-place concrete floor surface, which realizes the combination of two steps of concrete finishing and covering with plastic film, and improves the construction efficiency.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] A finishing and covering tool for the cast-in-place concrete floor surface includes a steel pipe, a finishing scraper and a plastic film reel. The finishing scraper is arranged on the cast-in-place concrete floor surface. In the middle of the left end of the top surface of the finishing scraper, a wooden connecting plate is connected. An connecting rod is arranged at the left end of the wooden connecting plate. The wooden connecting plate is connected to the right end of the steel pipe through the connecting rod. A transverse handle rod is welded and connected to the left end of the steel pipe. A U-shaped hook is arranged on the steel pipe on the left side of the connecting rod. A reel is arranged on the cast-in-place concrete floor surface on the right side of the finishing scraper. A plastic film is wound on the reel. A V-shaped support is movably hung on the U-shaped hook. The lower end opening of the V-shaped support is movably clamped at the front and rear end openings of the reel.

[0006] The finishing scraper is an arc-shaped scraper; the right end of the wooden connecting plate is provided with a wedge-shaped bottom end surface, and the wooden connecting plate is connected to the middle of the left end of the top surface of the finishing scraper through the wedge-shaped bottom end surface; a rear insertion pin and a front insertion pin are respectively arranged at the lower end opening of the V-shaped support. The rear insertion pin is movably inserted into the rear end hole of the reel, and the front insertion pin is movably inserted into the front end hole of the reel.

[0007] The connecting rod is movably inserted into the lower right port of the steel pipe. An upper connecting bolt is arranged between the lower right port of the steel pipe and the connecting rod. A bolt connection hole is arranged in the middle of the left end of the top surface of the finishing scraper. A lower connecting bolt is arranged between the right end of the wooden connecting plate and the bolt connection hole.

[0008] The utility model can quickly finish the surface of the concrete after pouring in time, and at the same time can synchronously complete the covering work of the plastic film for concrete curing, greatly improving the construction efficiency of concrete finishing and curing. Description of the Drawings

[0009] Figure 1 is the overall structural schematic diagram of the utility model;

[0010] Figure 2 is the structural schematic diagram of the wooden connecting plate 2 of the utility model;

[0011] Figure 3 is the structural schematic diagram of the finishing scraper 3 of the utility model;

[0012] Figure 4 is the structural schematic diagram of the V-shaped support 6 of the utility model. Detailed Embodiment

[0013] The present utility model will be described in detail below with reference to the accompanying drawings:

[0014] A finishing and covering tool for a cast-in-place concrete floor slab includes a steel pipe 1, a finishing scraper 3, and a plastic film reel 4. The finishing scraper 3 is disposed on the cast-in-place concrete floor slab. In the middle of the left end of the top surface of the finishing scraper 3, a wooden connecting plate 2 is connected. At the left end of the wooden connecting plate 2, a connecting rod 9 is provided. The wooden connecting plate 2 is connected to the right end of the steel pipe 1 through the connecting rod 9. At the left end of the steel pipe 1, a transverse handle rod 8 is welded and connected. The finishing scraper 3, the wooden connecting plate 2, the steel pipe 1, and the transverse handle rod 8 form a finishing scraper tool with a towing rod. An operator can pull the finishing scraper tool to walk leftward through the transverse handle rod 8, thereby realizing the finishing and leveling of the surface of the cast-in-place concrete under the finishing scraper 3; on the steel pipe 1 on the left side of the connecting rod 9, a U-shaped hook 7 is provided. On the cast-in-place concrete floor slab on the right side of the finishing scraper 3, a reel 4 is provided. A plastic film 5 is wound around the reel 4. A V-shaped towing bracket 6 is movably hung on the U-shaped hook 7. The lower end opening of the V-shaped towing bracket 6 is movably clamped in the front and rear end openings of the reel 4; during the leftward movement of the finishing scraper tool, the plastic film reel 4 is pulled by the V-shaped towing bracket 6 to roll, and the plastic film 5 thereon is spread on the surface of the concrete after finishing and leveling.

[0015] The finishing scraper 3 is an arc-shaped scraper, and the finishing scraper 3 has a slight curvature to facilitate the finishing and leveling of the concrete surface; at the right end of the wooden connecting plate 2, a wedge-shaped bottom end surface 10 is provided. The wooden connecting plate 2 is connected to the middle of the left end of the top surface of the finishing scraper 3 through the wedge-shaped bottom end surface 10, so that the wooden connecting plate 2 is connected to the finishing scraper 3 in an upwardly inclined manner; at the lower end opening of the V-shaped towing bracket 6, a rear end insertion pin 14 and a front end insertion pin 15 are respectively provided. The rear end insertion pin 14 is movably inserted into the rear end hole of the reel 4, and the front end insertion pin 15 is movably inserted into the front end hole of the reel 4. Through the movable insertion of the rear end insertion pin 14 and the front end insertion pin 15 in the front and rear end ports of the reel 4, the reel 4 rotates and rolls around the rear end insertion pin 14 and the front end insertion pin 15, and the plastic film 5 thereon is laid on the concrete surface.

[0016] The connecting rod 9 is movably inserted into the lower right end port of the steel pipe 1. Between the lower right end port of the steel pipe 1 and the connecting rod 9, an upper end connecting bolt 11 is provided. In the middle of the left end of the top surface of the finishing scraper 3, a bolt connection hole 13 is provided. Between the right end of the wooden connecting plate 2 and the bolt connection hole 13, a lower end connecting bolt 12 is provided; the components can be replaced by removing the bolts.

Claims

1. A tool for finishing and covering a cast-in-place concrete floor, comprising a steel pipe (1), a finishing scraper (3) and a plastic film roll (4), wherein the finishing scraper (3) is arranged on the cast-in-place concrete floor surface, and characterized in that: A wooden connecting plate (2) is connected to the middle of the left end of the top end surface of the scraper (3), a connecting rod (9) is arranged at the left end of the wooden connecting plate (2), the wooden connecting plate (2) is connected to the right end of the steel pipe (1) through the connecting rod (9), a transverse handle rod (8) is welded to the left end of the steel pipe (1), a U-shaped hook (7) is arranged on the steel pipe (1) on the left side of the connecting rod (9), a reel (4) is arranged on the cast-in-place concrete floor surface on the right side of the scraper (3), a plastic film (5) is wound on the reel (4), a V-shaped bracket (6) is movably connected to the U-shaped hook (7), and the lower end opening of the V-shaped bracket (6) is movably clamped in the front and rear ports of the reel (4).

2. A cast-in-place concrete floor finishing and covering tool according to claim 1, characterized in that: The scraper (3) is an arc-shaped scraper; a wedge-shaped bottom end surface (10) is provided at the right end of the wooden connecting plate (2), and the wooden connecting plate (2) is connected to the middle of the left end of the top end surface of the scraper (3) through the wedge-shaped bottom end surface (10); a rear end insertion pin (14) and a front end insertion pin (15) are respectively provided at the lower end opening of the V-shaped trailer (6), and the rear end insertion pin (14) is movably inserted into the rear end hole of the reel (4), and the front end insertion pin (15) is movably inserted into the front end hole of the reel (4).

3. A cast-in-place concrete floor finishing and covering tool according to claim 2, characterized in that: The connecting rod (9) is movably inserted into the lower right end port of the steel pipe (1); an upper end connecting bolt (11) is provided between the lower right end port of the steel pipe (1) and the connecting rod (9); a bolt connection hole (13) is provided in the middle of the left end of the top end surface of the scraper (3); and a lower end connecting bolt (12) is provided between the right end of the wooden connecting plate (2) and the bolt connection hole (13).

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