Scraping and grinding device for controlling flatness of cast-in-place concrete ground structure

Through the scraping and rolling device and guide rail system, combined with the smooth roller, sheep's foot roller and square scraper, efficient flatness control of cast-in-place concrete floors is achieved, solving the problem of poor leveling continuity of hanging tape measures and scrapers, and improving construction accuracy and efficiency.

CN223445938UActive Publication Date: 2025-10-17CHINA CONSTR EIGHTH ENG BUREAU TECH CONSTR CO LTD
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Patent Information

Application Number
CN202422630608.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-17
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

In the existing technology, the leveling of hanging tape measures and scraping rulers has poor continuity, large hanging line disturbance and poor accuracy, which makes it difficult to control the flatness of cast-in-place concrete floor structures.

Method used

A scraping and rolling device is designed, which includes a scraping and rolling device, a guide rail and an installation adjustment rod. The guide rail height is adjusted by the adjustment rod. A smooth roller, a sheep's foot roller and a square scraper are set to achieve flatness control of the cast-in-place concrete floor and avoid leveling operations in sections.

Benefits of technology

It improves the flatness control accuracy and continuity of cast-in-place concrete floors, is easy to operate, avoids the problem of large deflection under hanging wires, and meets construction needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a scraping and grinding device for controlling the flatness of a cast-in-place concrete ground structure. The scraping and grinding device comprises a scraping and grinding device body, a guide rail and an installation adjusting rod. The guide rails are adjustably and horizontally arranged above the cast-in-place concrete ground through a plurality of installation adjusting rods, and the pair of guide rails are arranged on the edges of the two sides of the cast-in-place concrete ground with the flatness needing to be controlled in parallel. The scraping and grinding device comprises a fixing plate, a first roller shaft, a smooth roller, a sheep-foot roller and a square floating ruler, one end of the first roller shaft is rotatably connected with the upper portion of the fixing plate, the other end of the first roller shaft is rotatably erected on the guide rail, and the fixing plate is slidably arranged on the inner side of the guide rail; the smooth roller, the sheep-foot roller and the square floating rule are arranged between the lower parts of the pair of fixing plates, and the lower ends of the smooth roller, the sheep-foot roller and the square floating rule are consistent in elevation and are in contact with the surface of the cast-in-place concrete ground. The utility model relates to the technical field of concrete construction, and can solve the problems of poor leveling continuity, large line hanging deflection and poor precision of a line hanging measuring tape and a floating ruler in the prior art.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete construction, in particular to a scraping and rolling device for controlling the flatness of a cast-in-place concrete floor structure. Background Art

[0002] In traditional cast-in-place concrete floor finishing, elevation and flatness are typically controlled by measuring with a tape measure and then leveling the floor section by section using a scraper. However, this leveling process is inconsistent, and during construction, the tape can easily become mixed with the concrete, making it difficult to distinguish. Large spans also result in significant tape deflection and poor accuracy. Using secondary finishing techniques can lead to quality risks such as hollowing and subsequent cracking.

[0003] Therefore, it is necessary to provide a scraping and rolling device for controlling the flatness of cast-in-place concrete floor structures, which can solve the problems of poor leveling continuity, large hanging line disturbance and poor accuracy of hanging tape and scraping ruler in the prior art. Summary of the Invention

[0004] The purpose of the utility model is to provide a scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures, which can solve the problems in the prior art of poor leveling continuity of hanging tape measures and scraping rulers, large hanging line disturbance and poor accuracy.

[0005] The utility model is achieved in this way:

[0006] A scraping and rolling device for controlling the flatness of a cast-in-situ concrete floor structure comprises a scraping and rolling device, a guide rail and an installation adjustment rod; the guide rail is adjustably arranged horizontally above the cast-in-situ concrete floor through a plurality of installation adjustment rods, and a pair of guide rails are arranged parallel to each other at the two side edges of the cast-in-situ concrete floor whose flatness needs to be controlled; the scraping and rolling device comprises a fixed plate, a first roller, a smooth roller, a sheep's foot roller and a square scraper, one end of the first roller is rotatably connected to the upper part of the fixed plate, and the other end of the first roller is rotatably mounted on the guide rail, so that the fixed plate can be slidably arranged on the inner side of the guide rail; the smooth roller, the sheep's foot roller and the square scraper are arranged between the lower parts of the pair of fixed plates, and the lower ends of the smooth roller, the sheep's foot roller and the square scraper are at the same elevation and in contact with the surface of the cast-in-situ concrete floor.

[0007] A first ear plate is formed on the top of the fixed plate, one end of the push-pull rod is mounted on the first ear plate via a bolt through the second ear plate, and the other end of the push-pull rod extends obliquely upward.

[0008] The upper part of the fixed plate is formed with a plurality of roller shaft holes at intervals, and the plurality of roller shaft holes are located at the same horizontal height. One end of a plurality of first roller shafts is rotatably inserted into the plurality of roller shaft holes, and each first roller shaft is installed by limiting nuts located on both sides of the fixed plate.

[0009] The lower side of the fixing plate is formed with a square shaft hole, the two ends of the square ruler are respectively formed with square shafts, and the two square shafts are respectively matched and penetrated into the square shaft holes of the pair of fixing plates, so that the square ruler is arranged between the lower sides of the pair of fixing plates.

[0010] The lower middle part and the other lower side of the fixing plate are formed with rotating bearing holes; the two ends of the light roller are respectively formed with second roller shafts, the two second roller shafts are respectively rotatably penetrated into the rotating bearing holes in the lower middle part of the fixing plate, and each second roller shaft is limited by two limiting nuts on the two sides of the fixing plate, so that the light roller is rotatably installed between the lower middle parts of the pair of fixing plates; the two ends of the sheep foot roller are respectively formed with third roller shafts, the two third roller shafts are respectively rotatably penetrated into the rotating bearing holes in the other lower side of the fixing plate, and each third roller shaft is limited by two limiting nuts on the two sides of the fixing plate, so that the sheep foot roller is rotatably installed between the other lower sides of the pair of fixing plates.

[0011] The square ruler is composed of end square rulers and middle square rulers, the square shaft is located at one end of the end square ruler, the other end of the end square ruler and one end of the middle square ruler are both formed with first bolt holes, the other end of the middle square ruler is formed with a first extension end with the first bolt hole, so that a plurality of middle square rulers are coaxially spliced in sequence by the first bolt through the first bolt holes to form a square ruler main body; a pair of end square rulers are coaxially spliced at the two ends of the square ruler main body by the first bolt through the first bolt holes.

[0012] The light roller includes end light rollers and middle light rollers, the second roller shaft is located at one end of the end light roller, the other end of the end light roller and one end of the middle light roller are both formed with second bolt holes, the other end of the middle light roller is formed with a second extension end with the second bolt hole, so that a plurality of middle light rollers are coaxially spliced in sequence by the second bolt through the second bolt holes to form a light roller main body; a pair of end light rollers are coaxially spliced at the two ends of the light roller main body by the second bolt through the second bolt holes.

[0013] The sheep foot roller includes end sheep foot rollers and middle sheep foot rollers, the third roller shaft is located at one end of the end sheep foot roller, the other end of the end sheep foot roller and one end of the middle sheep foot roller are both formed with third bolt holes, the other end of the middle sheep foot roller is formed with a third extension end with the third bolt hole, so that a plurality of middle sheep foot rollers are coaxially spliced in sequence by the third bolt through the third bolt holes to form a sheep foot roller main body; a pair of end sheep foot rollers are coaxially spliced at the two ends of the sheep foot roller main body by the third bolt through the third bolt holes.

[0014] The installation and adjustment member includes an adjustment rod and an adjustment sleeve; a pair of adjustment rods are respectively threadedly screwed into the adjustment sleeve, the bottom of the adjustment sleeve and the adjustment rod below it are inserted into the cast-in-place concrete ground; the adjustment rod at the upper part of the adjustment sleeve is adjustably inserted into the guide rail through an adjustment nut.

[0015] Compared with the prior art, the present application has the following beneficial effects:

[0016] 1. The utility model discloses a scraping and rolling device for cast-in-place concrete floor structure flatness control, which comprises a pair of guide rails, a light roller, a sheep foot roller and a square ruler.

[0017] 2. The utility model discloses a scraping and rolling device for cast-in-place concrete floor structure flatness control, which comprises a pair of guide rails, a light roller, a sheep foot roller and a square ruler. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the side view of the scraping and rolling device in the scraping and rolling device for cast-in-place concrete floor structure flatness control of the utility model;

[0019] Figure 2 is the use state diagram of the scraping and rolling device for cast-in-place concrete floor structure flatness control of the utility model;

[0020] Figure 3 is Figure 2 the sectional view of 1-1 in the middle;

[0021] Figure 4 is Figure 2 the sectional view of 2-2 in the middle;

[0022] Figure 5 is Figure 2 the sectional view of 3-3 in the middle;

[0023] Figure 6 is the splicing schematic diagram of the middle square ruler in the scraping and rolling device for cast-in-place concrete floor structure flatness control of the utility model;

[0024] Figure 7 is the splicing schematic diagram of the middle light roller in the scraping and rolling device for cast-in-place concrete floor structure flatness control of the utility model;

[0025] Figure 8 is the splicing schematic diagram of the middle sheep foot roller in the scraping and rolling device for cast-in-place concrete floor structure flatness control of the utility model.

[0026] In the figure, 100 is a scraping device, 110 is a fixed plate, 111 is a first ear plate, 112 is a roller shaft hole, 113 is a square shaft hole, 114 is a rotating bearing hole, 120 is a first roller shaft, 122 is a limiting nut, 130 is a smooth roller, 131 is a second roller shaft, 140 is a sheep foot roller, 141 is a third roller shaft, 150 is a square scraping ruler, 151 is a middle smooth roller, 1511 is a first extending end, 1512 is a first bolt hole, 1513 is a first bolt, 1514 is a square shaft, 160 is a push-pull rod, 161 is a second ear plate, 162 is a bolt, 200 is a guide rail, 210 is a middle smooth roller, 211 is a second extending end, 212 is a second bolt hole, 213 is a second bolt, 300 is an installation adjusting part, 311 is an adjusting rod, 321 is an adjusting sleeve, 331 is an adjusting nut, 400 is a cast-in-place concrete floor, 510 is a middle sheep foot roller, 511 is a third extending end, 512 is a third bolt hole, and 513 is a third bolt. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with the drawings and specific embodiments.

[0028] Please refer to the drawings Figure 1 to the drawings Figure 5 A scraping device for controlling the flatness of a cast-in-place concrete floor structure, comprising a scraping device 100, guide rails 200 and installation adjusting rods 300; the guide rails 200 are adjustably horizontally arranged above the cast-in-place concrete floor 400 through the installation adjusting rods 300, and a pair of guide rails 200 are arranged in parallel on both side edges of the cast-in-place concrete floor 400 that needs to be controlled in flatness; the scraping device 100 comprises a fixed plate 110, a first roller shaft 120, a smooth roller 130, a sheep foot roller 140 and a square scraping ruler 150, one end of the first roller shaft 120 is rotatably connected to the upper part of the fixed plate 100, the other end of the first roller shaft 120 is rotatably arranged on the guide rail 200, so that the fixed plate 100 is slidably arranged on the inner side of the guide rail 200; the smooth roller 130, the sheep foot roller 140 and the square scraping ruler 150 are arranged between the lower parts of a pair of fixed plates 100, and the lower ends of the smooth roller 130, the sheep foot roller 140 and the square scraping ruler 150 are consistent in elevation and in contact with the surface of the cast-in-place concrete floor 400.

[0029] A pair of guide rails 200 are arranged on both side edges of the cast-in-place concrete floor 400 that needs to be controlled in flatness through the installation adjusting rods 300, for arranging the scraping device 100, so that the scraping device 100 can move along the length direction of the guide rails 200 on the guide rails 200, and the flatness of the cast-in-place concrete floor 400 is controlled by the smooth roller 130, the sheep foot roller 140 and the square scraping ruler 150 during the movement.

[0030] Preferably, the square screed 150 is made of square steel pipe, the smooth roller 130 is made of round steel pipe, and the sheep foot roller 140 is made of round steel pipe with uniformly distributed sheep foot protrusions, so as to meet the flatness control requirements of the cast-in-place concrete floor 400.

[0031] The pair of guide rails 200 can adjust the erection height through the mounting and adjusting rod 300, so as to adjust the setting height of the smooth roller 130, the sheep foot roller 140 and the square screed 150 of the screed device 100, so as to meet the flatness control requirements of the cast-in-place concrete floor 400 of different heights.

[0032] Preferably, the fixed plate 110, the first roller shaft 120, the smooth roller 130, the sheep foot roller 140, the square screed 150, the guide rail 200 and the mounting and adjusting rod 300 are made of metal or other hard materials, which have high structural strength and are not easy to deform, thereby avoiding the problem of downward deflection deformation of the smooth roller 130, the sheep foot roller 140 and the square screed 150 when the span is large.

[0033] Please refer to the accompanying drawings Figure 1 The top of the fixed plate 110 is formed with a first ear plate 111, one end of the push-pull rod 160 is installed on the first ear plate 111 through the second ear plate 161 and the bolt 162, and the other end of the push-pull rod 160 extends obliquely upward.

[0034] Preferably, the fixed plate 110 and the first ear plate 111 can be integrally formed or welded together. The push-pull rod 160 and the second ear plate 161 can be integrally formed or welded together. The shape and size of the first ear plate 111 and the second ear plate 162 can be adaptively adjusted according to actual connection requirements.

[0035] The push-pull rod 160 is connected together through the first ear plate 111 and the second ear plate 162 through the bolt 162 and the nut through the bolt hole, which is convenient and fast to disassemble and assemble, and the push-pull rod 160 can be installed to a certain angle according to the use habit, so as to facilitate the push-pull movement of the screed device 100 through the push-pull rod 160.

[0036] Please refer to the accompanying drawings Figure 1 The upper part of the fixed plate 110 is formed with a plurality of roller shaft holes 112 at intervals, the plurality of roller shaft holes 112 are located at the same horizontal height, and one end of the plurality of first roller shafts 120 can be rotatably penetrated into the plurality of roller shaft holes 112. Each first roller shaft 120 is limitedly installed through the limiting nut 122 located on both sides of the fixed plate 110.

[0037] Preferably, a thread can be sleeved on the first roller shaft 120 for matching the threaded limiting nut 122, so that the connection of the first roller shaft 120 and the fixed plate 110 can be limited by the two limiting nuts 122 located on both sides of the fixed plate 110, so as to ensure that the first roller shaft 120 can smoothly rotate in the roller shaft hole 112 without being separated from the fixed plate 110.

[0038] Under the action of the push-pull force of the push-pull rod 160, the first roller shaft 120 can roll on the guide rail 200 when rotating, so as to realize the stable movement of the scraping and rolling device 100. Preferably, the first roller shaft 120 can also be limited by two limiting nuts arranged on both sides of the guide rail 200, so as to prevent the first roller shaft 120 from being separated from the guide rail 200.

[0039] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 5 The lower side of the fixed plate 110 is formed with a square shaft hole 113, and the two ends of the square ruler 150 are respectively formed with square shafts 1514. The two square shafts 1514 are respectively matched and penetrated in the square shaft holes 113 of the pair of fixed plates 110, so that the square ruler 150 is arranged between the lower sides of the pair of fixed plates 110.

[0040] Preferably, the cross sections of the square shaft hole 113 and the square shaft 1514 are rectangular structures, which will not rotate relative to the fixed plate 110 after being inserted, so that the square ruler 150 can be arranged between the pair of fixed plates 110 and move synchronously with the scraping and rolling device 100.

[0041] Please refer to the accompanying drawings Figure 3 and the accompanying drawings Figure 4 The lower middle and the other side of the fixed plate 110 are formed with rotating bearing holes 114. The two ends of the light roller 130 are respectively formed with second roller shafts 131, and the two second roller shafts 131 are respectively rotatably penetrated in the rotating bearing holes 114 located in the lower middle of the fixed plate 110. Each second roller shaft 131 is limited by two limiting nuts 122 located on both sides of the fixed plate 110, so that the light roller 130 can be rotatably installed between the lower middle of the pair of fixed plates 110. The two ends of the sheep foot roller 140 are respectively formed with third roller shafts 141, and the two third roller shafts 141 are respectively rotatably penetrated in the rotating bearing holes 114 located in the other side of the fixed plate 110. Each third roller shaft 141 is limited by two limiting nuts 122 located on both sides of the fixed plate 110, so that the sheep foot roller 140 can be rotatably installed between the other side of the pair of fixed plates 110.

[0042] Preferably, threads can be provided on the second roller shaft 131 and the third roller shaft 141 for matching and screwing the limiting nuts 122, so that the connection between the second roller shaft 131 and the third roller shaft 141 and the fixed plate 110 can be limited by the two limiting nuts 122 located on both sides of the fixed plate 110, so as to ensure that the second roller shaft 131 and the third roller shaft 141 can smoothly rotate in the rotating bearing hole 114 while not being separated from the fixed plate 110.

[0043] During the movement of the scraping device 100, the surfaces of the smooth roller 130 and the sheep foot roller 140 are in contact with the surface of the cast-in-place concrete floor 400, and under the action of friction, the smooth roller 130 and the sheep foot roller 140 rotate relative to the scraping device 100 and roll on the surface of the cast-in-place concrete floor 400, thereby achieving the control of the flatness of the cast-in-place concrete floor 400.

[0044] Please refer to the accompanying drawings Figure 6 The square ruler 150 is composed of an end square ruler and a middle square ruler 151, a square shaft 1514 is located at one end of the end square ruler, the other end of the end square ruler and one end of the middle square ruler 151 are both formed with a first bolt hole 1512, and the other end of the middle square ruler 151 is formed with a first extension end 1511 with the first bolt hole 1512, so that a plurality of middle square rulers 151 are coaxially spliced in sequence through the first bolt holes 1512 by the first bolts 1513 to form a square ruler main body; a pair of end square rulers are coaxially spliced at both ends of the square ruler main body by the first bolts 1513 through the first bolt holes 1512.

[0045] During splicing, the first extension end 1511 of one middle square ruler 151 is inserted into the adjacent middle square ruler 151, and the first bolt hole 1512 on the first extension end 1511 of one middle square ruler 151 is aligned with the first bolt hole 1512 on the adjacent middle square ruler 151, so that the adjacent two middle square rulers 151 can be coaxially spliced by the first bolts 1513, and the middle square rulers 151 are coaxially spliced in sequence by the same method to form a square ruler main body with a desired length. Then, the end square rulers are spliced at both ends of the square ruler main body, and the splicing method of the end square rulers with the first and last middle square rulers 151 is the same as that of the adjacent middle square rulers 151, which will not be described here; after the splicing of the end square rulers, the end with the square shaft 1514 faces the fixed plate 110, which is convenient for insertion with the square shaft hole 113.

[0046] The number of the first bolt holes 1512 and the first bolts 1513 can be adjusted adaptively according to actual splicing needs.

[0047] Please refer to the accompanying drawings Figure 7 The smooth roller 130 includes an end smooth roller and a middle smooth roller 210, a second roller shaft 131 is located at one end of the end smooth roller, the other end of the end smooth roller and one end of the middle smooth roller 210 are both formed with a second bolt hole 212, and the other end of the middle smooth roller 210 is formed with a second extension end 211 with the second bolt hole 212, so that a plurality of middle smooth rollers 210 are coaxially spliced in sequence through the second bolt holes 212 by the second bolts 213 to form a smooth roller main body; a pair of end smooth rollers are coaxially spliced at both ends of the smooth roller main body by the second bolts 213 through the second bolt holes 212.

[0048] In the splicing, the second protruding end 211 of one middle roller 210 is inserted into the adjacent middle roller 210, and the second bolt hole 212 on the first protruding end 1511 of one middle roller 210 is aligned with the second bolt hole 212 on the adjacent middle roller 210, so that the two adjacent middle rollers 210 can be coaxially spliced by the second bolt 213, and the middle rollers 210 are sequentially coaxially spliced by the same method to form a roller main body with a required length. Then, the end roller is spliced at both ends of the roller main body, and the splicing method of the end roller and the first and last middle rollers 210 is the same as that of the adjacent middle rollers 210, which will not be described here. After the end roller is spliced, the end with the second shaft 131 faces the fixed plate 110 for insertion with the rotating bearing hole 114.

[0049] The number of the second bolt hole 212 and the second bolt 213 can be adaptively adjusted according to actual splicing requirements.

[0050] Please refer to the attached drawings Figure 8 The end sheep foot roller and the middle sheep foot roller 510, the third shaft 141 is located at one end of the end sheep foot roller, the other end of the end sheep foot roller and one end of the middle sheep foot roller 510 are formed with a third bolt hole 512, and the other end of the middle sheep foot roller 510 is formed with a third protruding end 511 with a third bolt hole 512, so that a plurality of middle sheep foot rollers 510 are coaxially spliced to form a sheep foot roller main body by the third bolt 513 through the third bolt hole 512, and a pair of end sheep foot rollers are coaxially spliced at both ends of the sheep foot roller main body by the third bolt 513 through the third bolt hole 512.

[0051] In the splicing, the third protruding end 511 of one middle sheep foot roller 510 is inserted into the adjacent middle sheep foot roller 510, and the third bolt hole 512 on the third protruding end 511 of one middle sheep foot roller 510 is aligned with the third bolt hole 512 on the adjacent middle sheep foot roller 510, so that the two adjacent middle sheep foot rollers 510 can be coaxially spliced by the third bolt 513, and the middle sheep foot rollers 510 are sequentially coaxially spliced by the same method to form a sheep foot roller main body with a required length. Then, the end roller is spliced at both ends of the roller main body, and the splicing method of the end roller and the first and last middle rollers 510 is the same as that of the adjacent middle rollers 510, which will not be described here. After the end roller is spliced, the end with the third shaft 141 faces the fixed plate 110 for insertion with the rotating bearing hole 114.

[0052] The number of the third bolt hole 512 and the third bolt 513 can be adaptively adjusted according to actual splicing requirements.

[0053] Please refer to the attached drawings Figure 2 and the attached drawings Figure 3The mounting adjusting piece 300 comprises an adjusting rod 311 and an adjusting sleeve 321; a pair of adjusting rods 311 are respectively screwed in the adjusting sleeve 321; the bottom of the adjusting sleeve 321 and the adjusting rod 311 below the adjusting sleeve 321 are inserted in the cast-in-place concrete floor 400; the adjusting rod 311 at the upper part of the adjusting sleeve 321 is adjustably inserted in the guide rail 200 through an adjusting nut 331.

[0054] Preferably, the adjusting rod 311 can be a screw rod, and the adjusting sleeve 321 can be a threaded sleeve; the screw rod is screwed in the threaded sleeve to adjust the length of the mounting adjusting piece 300, thereby preliminarily adjusting the erection height of the guide rail 200; the adjusting nut 331 is screwed on the adjusting rod 311 at the upper part of the adjusting sleeve 321, so that the top of the adjusting rod 311 is inserted into the guide rail 200, and the guide rail 200 is placed on the adjusting nut 331; the height of the guide rail 200 is accurately adjusted by rotating the adjusting nut 331 on the adjusting rod 311.

[0055] The number of the mounting adjusting pieces 300 can be adaptively adjusted according to the size and weight of the guide rail 200 to ensure the stable mounting of the guide rail 200; the guide rail 200 can be made of a square steel pipe with a hollow chamber for the insertion of the adjusting rod 311.

[0056] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 8 The use method and working principle of the utility model are as follows:

[0057] According to the requirement of controlling the flatness of the cast-in-place concrete floor 400, a plurality of mounting adjusting pieces 300 are inserted at intervals at the two side end edges of the cast-in-place concrete floor 400; the adjusting rod 311 at the top of the mounting adjusting piece 300 is inserted in the guide rail 200; the guide rail 200 is erected through the plurality of mounting adjusting pieces 300, so that a pair of guide rails 200 are arranged along the two side end edges of the cast-in-place concrete floor 400.

[0058] According to the requirement of controlling the flatness, the height of the adjusting nut 331 on the adjusting rod 311 is adjusted by rotating the adjusting nut 331, so that the adjusting nut 331 is supported on the bottom surface of the guide rail 200, thereby adjusting the height of the guide rail 200, and further adjusting the height of the smooth roller 130, the sheep foot roller 140 and the square scraper 150 of the scarifying device 100, to meet the requirement of controlling the flatness.

[0059] According to the requirement of controlling the flatness of the cast-in-place concrete floor 400, a plurality of mounting adjusting pieces 300 are inserted at intervals at the two side end edges of the cast-in-place concrete floor 400; the adjusting rod 311 at the top of the mounting adjusting piece 300 is inserted in the guide rail 200; the guide rail 200 is erected through the plurality of mounting adjusting pieces 300, so that a pair of guide rails 200 are arranged along the two side end edges of the cast-in-place concrete floor 400.

[0060] Construction workers hold the push-pull rod 160 and drive the scraping and rolling device 100 to move on the outside of the cast-in-place concrete floor 400 whose flatness needs to be controlled. The first roller 120 rolls on the guide rail 200, and contacts the surface of the cast-in-place concrete floor 400 through the square scraper 150, the smooth roller 130 and the sheep's foot roller 140 to achieve flatness control of the cast-in-place concrete floor 400.

[0061] The square scraper 150, the polishing roller 130 and the sheep's foot roller 140 are conventional means for controlling the flatness of the cast-in-place concrete floor 400, and the flatness control process will not be described in detail here.

[0062] The above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A scraping and rolling device for controlling the flatness of cast-in-place concrete floor structures, characterized by: The invention comprises a scraping and rolling device (100), a guide rail (200) and an installation adjustment member (300); the guide rail (200) is adjustably arranged horizontally above a cast-in-place concrete floor (400) through a plurality of installation adjustment members (300); a pair of guide rails (200) are arranged parallel to each other at the two side edges of the cast-in-place concrete floor (400) whose flatness needs to be controlled; the scraping and rolling device (100) comprises a fixed plate (110), a first roller (120), a smooth roller (130), a sheep's foot roller (140) and a square scraper (150); the first roller One end of the shaft (120) is rotatably connected to the upper part of the fixed plate (110), and the other end of the first roller (120) is rotatably mounted on the guide rail (200), so that the fixed plate (110) can be slidably arranged on the inner side of the guide rail (200); the smooth roller (130), the sheep's foot roller (140) and the square scraper (150) are arranged between the lower parts of the pair of fixed plates (110), and the lower ends of the smooth roller (130), the sheep's foot roller (140) and the square scraper (150) are at the same elevation and in contact with the surface of the cast-in-place concrete floor (400).

2. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 1 is characterized in that: A first ear plate (111) is formed on the top of the fixed plate (110), one end of the push-pull rod (160) is installed on the first ear plate (111) through a second ear plate (161) via a bolt (162), and the other end of the push-pull rod (160) extends obliquely upward.

3. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 1 or 2, characterized in that: A plurality of roller shaft holes (112) are formed at intervals on the upper portion of the fixing plate (110), and the plurality of roller shaft holes (112) are located at the same horizontal height. One end of a plurality of first roller shafts (120) is rotatably inserted into the plurality of roller shaft holes (112), and each first roller shaft (120) is installed by limiting nuts (122) located on both sides of the fixing plate (110).

4. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 3 is characterized in that: A square shaft hole (113) is formed on one side of the lower portion of the fixed plate (110), and square shafts (1514) are respectively formed at both ends of the square scraper (150). The two square shafts (1514) are respectively matched and penetrate the square shaft holes (113) of the pair of fixed plates (110), so that the square scraper (150) is set between the lower sides of the pair of fixed plates (110).

5. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 4 is characterized in that: The fixing plate (110) is provided with a rotation bearing hole (114) at the middle of the lower part and at the other side of the lower part; the two ends of the polishing roller (130) are respectively provided with a second roller shaft (131), and the two second roller shafts (131) are respectively rotatably inserted into the rotation bearing hole (114) located at the middle of the lower part of the fixing plate (110), and each second roller shaft (131) is limited by two limiting nuts (122) located on both sides of the fixing plate (110), so that the polishing roller (130) is rotatably installed on a pair of The sheep's foot roller (140) is provided between the middle portion of the lower portion of the fixed plate (110); a third roller shaft (141) is formed at each end of the sheep's foot roller (140), and the two third roller shafts (141) are rotatably inserted into the rotating bearing hole (114) located on the other side of the lower portion of the fixed plate (110), and each third roller shaft (141) is limited by two limiting nuts (122) located on both sides of the fixed plate (110), so that the sheep's foot roller (140) is rotatably installed between the other side of the lower portion of the pair of fixed plates (110).

6. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 4 is characterized in that: The square scraper (150) is composed of an end square scraper and a middle square scraper (151). The square shaft (1514) is located at one end of the end square scraper. The other end of the end square scraper and one end of the middle square scraper (151) are both formed with a first bolt hole (1512). The other end of the middle square scraper (151) is formed with a first protruding end (1511) with the first bolt hole (1512). A plurality of middle square scrapers (151) are coaxially spliced ​​in sequence through the first bolt hole (1512) by means of a first bolt (1513) to form a square scraper main body. A pair of end square scrapers are coaxially spliced ​​at both ends of the square scraper main body by means of the first bolt (1513) and the first bolt hole (1512).

7. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 5 is characterized by: The polishing roller (130) includes an end polishing roller and a middle polishing roller (210), the second roller shaft (131) is located at one end of the end polishing roller, the other end of the end polishing roller and one end of the middle polishing roller (210) are both formed with a second bolt hole (212), and the other end of the middle polishing roller (210) is formed with a second protruding end (211) with a second bolt hole (212), so that a plurality of middle polishing rollers (210) are coaxially spliced ​​in sequence through the second bolt hole (212) by means of the second bolt (213) to form a polishing roller body; a pair of end polishing rollers are coaxially spliced ​​at both ends of the polishing roller body by means of the second bolt (213) and the second bolt hole (212).

8. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 5 is characterized by: The sheep foot roller (140) comprises an end sheep foot roller and a middle sheep foot roller (510), the third roller shaft (141) is located at one end of the end sheep foot roller, the other end of the end sheep foot roller and one end of the middle sheep foot roller (510) are both formed with a third bolt hole (512), and the other end of the middle sheep foot roller (510) is formed with a third protruding end (511) with a third bolt hole (512), so that a plurality of middle sheep foot rollers (510) are coaxially spliced ​​in sequence through the third bolt (513) and the third bolt hole (512) to form a sheep foot roller main body; a pair of end sheep foot rollers are coaxially spliced ​​at both ends of the sheep foot roller main body through the third bolt (513) and the third bolt hole (512).

9. The scraping and rolling device for controlling the flatness of cast-in-situ concrete floor structures according to claim 1, characterized in that: The mounting adjustment rod (300) comprises an adjustment rod (311) and an adjustment sleeve (321); a pair of adjustment rods (311) are respectively screwed into the adjustment sleeve (321); the bottom of the adjustment sleeve (321) and the adjustment rod (311) below it are inserted into the cast-in-place concrete floor (400); the adjustment rod (311) located on the upper part of the adjustment sleeve (321) is adjustably plugged into the guide rail (200) through an adjustment nut (331).