Concrete maintenance device for building construction

Abstract

The utility model relates to the technical field of concrete maintenance, and discloses a building construction concrete maintenance device which comprises a movable frame, a protection box is fixedly connected to the upper surface of the movable frame, an unwinding frame is arranged on the inner bottom face of the protection box, and a fixed frame is fixedly connected to the bottom of the movable frame. A limiting roller is rotationally connected into the fixing frame, a bearing plate is fixedly connected to the bottom of the fixing frame, a cutting knife is arranged above the bearing plate, a moving unit is arranged on the outer side of the cutting knife, and the moving unit acts on vertical linear movement and guiding of the cutting knife. According to the film cutting device, through cooperation of the fixing frame, the limiting roller, the bearing plate, the cutting knife, the moving unit and the cutting groove, after the bottom of a film is limited, the cutting knife is moved downwards to directly cut the film, the smoothness of the cutting position is ensured, and deformation and deviation of the film caused by transverse cutting are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete maintenance technical field especially relates to a kind of building construction concrete maintenance device. BACKGROUND

[0002] In building construction, concrete curing is a very important technology, which can prevent concrete from shrinking and temperature cracking. Film curing is a maintenance method that involves applying a film to the surface of concrete structures or components. After the initial setting of concrete, the curing film is applied manually before the final setting. This allows the curing film to tightly bond with the concrete surface, promoting the hydration effect of the concrete. During the concrete curing process, it plays a significant role in preventing cracks and maintaining moisture.

[0003] According to the search, Chinese patent publication No. CN220100737U discloses a kind of building construction concrete curing device, including by setting with leveling roller and film coating assembly, can be realized to the concrete after pouring is carried out edge leveling edge film coating, so as to be able to save labor and work time, improve work efficiency, then the sliding block on the linear module drives the cutter on the fixed block to move back and forth on the sliding rail, thereby cutting the curing film. This saves the time for manual cutting and saves work time.

[0004] However, the above-mentioned curing device lacks sufficient limiting during the cutting process of the cutting knife on the film. When the cutting knife moves horizontally to cut the film, the film will deform and move in the direction of the cutting knife due to the extrusion force. This results in the cutting knife being unable to quickly cut the film, and also causes the film to shift and deform, affecting subsequent curing operations. Therefore, a building construction concrete maintenance device is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] To make up for the above shortcomings, the utility model provides a kind of building construction concrete maintenance device, aims at improving the cutting knife horizontal movement in prior art cannot quickly cut the film completely, and will cause the film to deform and shift.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of building construction concrete maintenance device, including mobile frame, the upper surface of the mobile frame is fixedly connected with protection box, the inside bottom surface of the protection box is provided with pay-off frame, the bottom of the mobile frame is fixedly connected with fixed frame, the inside rotation of the fixed frame is connected with limiting roller, the bottom of the fixed frame is fixedly connected with supporting plate, the upper of the supporting plate is provided with cutting knife, the outside of the cutting knife is provided with moving unit, the moving unit acts on the up-down straight-line movement and guide of cutting knife.

[0007] As a further description of the above technical scheme:

[0008] The bottom surface right side of the moving frame is fixedly connected with an elastic member, the bottom end of the elastic member is fixedly connected with a pressing frame, and the inside of the pressing frame is rotatably connected with a pressing roller.

[0009] As a further description of the above technical solution:

[0010] The moving unit comprises a connecting plate fixedly connected to the upper end of the cutting knife, an electric push rod fixedly connected to the center of the upper surface of the connecting plate, a guide cylinder fixedly connected to the upper surface of the connecting plate, and a guide rod fixedly connected to the bottom surface of the moving frame.

[0011] As a further description of the above technical solution:

[0012] The upper surface right side of the supporting plate is provided with a cutting groove located directly below the cutting knife.

[0013] As a further description of the above technical solution:

[0014] The bottom surface of the moving frame is fixedly connected with universal wheels at the four corners, and a through groove is formed in the center of the bottom surface of the moving frame.

[0015] As a further description of the above technical solution:

[0016] The bottom end of the pressing roller is lower than the bottom end of the pressing frame.

[0017] As a further description of the above technical solution:

[0018] The top end of the electric push rod is fixedly connected to the bottom surface of the moving frame.

[0019] As a further description of the above technical solution:

[0020] The guide rod is inserted into the inside of the guide cylinder.

[0021] The utility model has the advantages of the following:

[0022] 1、The utility model discloses a cutting device for film, which comprises a fixed frame, a limiting roller, a supporting plate, a cutting knife, a moving unit and a cutting groove.

[0023] 2. The utility model discloses, through the cooperation of the elastic member, extrusion frame and extrusion roller, the film can be stably covered on the concrete surface on the moving frame passing path, and the film at the bottom of the extrusion roller is slightly extruded, so that the film can better adhere to the upper surface of the concrete. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole schematic view of the building construction concrete maintenance device of the utility model;

[0025] Figure 2 It is the schematic view of the front part section of the building construction concrete maintenance device of the utility model;

[0026] Figure 3 It is the schematic view of the moving frame bottom of the building construction concrete maintenance device of the utility model;

[0027] Figure 4 It is the schematic view of the fixed frame, limiting roller, bearing plate and cutting knife of the building construction concrete maintenance device of the utility model;

[0028] Figure 5 It is the schematic view of the elastic member, extrusion frame and extrusion roller of the building construction concrete maintenance device of the utility model.

[0029] Legend:

[0030] 1, moving frame, 2, protection box, 3, unwinding frame, 4, fixed frame, 5, limiting roller, 6, bearing plate, 7, cutting knife, 71, connecting plate, 72, electric push rod, 73, guide cylinder, 74, guide rod, 8, cutting groove, 9, elastic member, 10, extrusion frame, 11, extrusion roller. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] REFERENCE Figures 1-2The utility model provides a kind of embodiment: a kind of building construction concrete maintenance device, the bottom surface four corners of mobile frame 1 are fixedly connected with universal wheel, mobile frame 1 can be moved by universal wheel, the bottom surface center of mobile frame 1 is provided with through slot, the upper surface of mobile frame 1 is fixedly connected with protective box 2, the right side surface of protective box 2 is hinged with box door, door lock is provided on box door, after opening box door, maintenance film roll can be disassembled and replaced, the inside bottom surface of protective box 2 is provided with pay-off frame 3, pay-off frame 3 includes frame body and pay-off roll, frame body is fixedly connected in the inside bottom surface of protective box 2, pay-off roll is detachably connected in frame body, after maintenance film roll is sleeved in the outside of pay-off roll, pay-off roll can be installed in frame body, the limiting of maintenance film roll is completed, the bottom of protective box 2 is provided with slot hole compatible with through slot, maintenance film can be moved downward by slot hole and through slot, the bottom of mobile frame 1 is fixedly connected with fixed frame 4.

[0033] Refer to Figures 2-4 The inside of fixed frame 4 is rotatably connected with limiting roller 5, the bottom of fixed frame 4 is fixedly connected with supporting plate 6, gap is left between limiting roller 5 and supporting plate 6, and maintenance film can pass through, the right side of the upper surface of supporting plate 6 is provided with cutting groove 8, cutting knife 7 is arranged above supporting plate 6, cutting groove 8 is located directly below cutting knife 7, and the setting cutting groove 8 can avoid contact and knock between cutting knife 7 and supporting plate 6 when moving downward, cutting knife 7 moves downward, and the passing maintenance film can be cut, the right side of supporting plate 6 is provided in a downward inclined structure, so that the maintenance film can better adhere to the left surface of supporting plate 6, and then the limiting of maintenance film by supporting plate 6 can be better when cutting knife 7 cuts the maintenance film downward, and the stability during cutting is improved.

[0034] The outside of cutting knife 7 is provided with moving unit, the moving unit includes connecting plate 71, the connecting plate 71 is fixedly connected to the upper end of cutting knife 7, the connecting plate 71 can drive cutting knife 7 to move synchronously when moving, the upper surface center of connecting plate 71 is fixedly connected with electric push rod 72, the electric push rod 72 can drive connecting plate 71 and cutting knife 7 to move linearly in the up-down direction when starting, the top end of electric push rod 72 is fixedly connected with the bottom surface of mobile frame 1, the upper surface of connecting plate 71 is fixedly connected with guide cylinder 73, the connecting plate 71 can drive guide cylinder 73 to move synchronously when moving, the bottom surface of mobile frame 1 is fixedly connected with guide rod 74, the guide rod 74 is inserted into the inside of guide cylinder 73, the guide rod 74 can guide and limit the movement of guide cylinder 73, and then the movement of connecting plate 71 and cutting knife 7 can be guided and limited through the setting of guide rod 74 and guide cylinder 73, so that cutting knife 7 can only move linearly in the up-down direction, and damage of cutting knife 7 caused by knock between cutting knife 7 and supporting plate 6 due to deviation can be avoided.

[0035] Refer toFigure 1 and Figure 5 The bottom right side of the mobile frame 1 is fixedly connected with an elastic member 9, the bottom end of the elastic member 9 is fixedly connected with a pressing frame 10, the pressing frame 10 can press the elastic member 9 when moving upward, so that the elastic member 9 generates elastic potential energy by compression, the inside of the pressing frame 10 is rotatably connected with a pressing roller 11, the bottom end of the pressing roller 11 is lower than the bottom end of the pressing frame 10, when the mobile frame 1 is placed on the ground to perform the film covering operation, the pressing roller 11 will contact the bottom surface and press the pressing frame 10, so that the pressing frame 10 moves upward to press the elastic member 9, the film passing through the bottom of the pressing roller 11 can be slightly pressed by the elastic potential energy generated by the compression of the elastic member 9, so that the film can better adhere to the upper surface of the concrete, and the pressing roller 11 can rotate following the movement of the mobile frame 1, so that the pressing of the film can be maintained during the movement of the film, and the movement of the film will not be hindered, so that the film can stably cover the concrete surface on the path of the mobile frame 1.

[0036] Working principle: the maintenance film on the unwinding frame 3 in the protection box 2 penetrates through the bottom of the protection box 2 and the mobile frame 1, and then penetrates through the gap between the limiting roller 5 and the supporting plate 6, the limiting roller 5 can guide and limit the movement of the maintenance film, then the maintenance film is pressed below the pressing roller 11, and the mobile frame 1 is pushed to move, during the movement of the mobile frame 1, the pressing roller 11 can always slightly press the film under the action of the elastic potential energy of the elastic member 9, and can rotate following the movement of the mobile frame 1, so that the film can stably cover the concrete surface on the path of the mobile frame 1, after covering a certain distance of the concrete, the electric push rod 72 can be started to drive the cutting knife 7 to move downward, and cooperate with the supporting plate 6 to directly cut the maintenance film in the vertical direction, so as to avoid that the horizontal cutting cannot quickly and completely cut the film, and the supporting plate 6 can limit the cut film, so that the film can be directly pulled to move and cover next time, avoiding that the cut film is directly dragged to the ground, causing the film to be abraded and deformed when the mobile frame 1 is adjusted, and affecting the subsequent use.

[0037] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for curing construction concrete, comprising a mobile frame (1), characterised in that: The upper surface of the mobile frame (1) is fixedly connected with a protection box (2), the inside bottom surface of the protection box (2) is provided with a unwinding frame (3), the bottom of the mobile frame (1) is fixedly connected with a fixed frame (4), the inside of the fixed frame (4) is rotatably connected with a limiting roller (5), the bottom of the fixed frame (4) is fixedly connected with a supporting plate (6), the top of the supporting plate (6) is provided with a cutting knife (7), the outer side of the cutting knife (7) is provided with a moving unit, the moving unit is used for the up-down linear movement and guiding of the cutting knife (7).

2. A device for curing concrete as claimed in claim 1 wherein: The bottom surface right side of the mobile frame (1) is fixedly connected with an elastic piece (9), the bottom end of the elastic piece (9) is fixedly connected with a extrusion frame (10), the inside of the extrusion frame (10) is rotatably connected with an extrusion roller (11).

3. A device for curing concrete as claimed in claim 1 wherein: The moving unit comprises a connecting plate (71), the connecting plate (71) is fixedly connected with the upper end of the cutting knife (7), the upper surface center of the connecting plate (71) is fixedly connected with an electric push rod (72), the upper surface of the connecting plate (71) is fixedly connected with a guiding cylinder (73), the bottom surface of the mobile frame (1) is fixedly connected with a guiding rod (74).

4. A device for curing concrete as defined in claim 1, wherein: The upper surface right side of the supporting plate (6) is provided with a cutting groove (8), the cutting groove (8) is located directly below the cutting knife (7).

5. A device for curing concrete as defined in claim 1, wherein: The bottom surface four corners of the mobile frame (1) are fixedly connected with universal wheels, the bottom surface center of the mobile frame (1) is provided with a through groove.

6. A device for curing concrete as defined in claim 2, wherein: The bottom end of the extrusion roller (11) is lower than the bottom end of the extrusion frame (10).

7. A device for curing concrete as defined in claim 3, wherein: The top end of the electric push rod (72) is fixedly connected with the bottom surface of the mobile frame (1).

8. A device for curing concrete as defined in claim 3, wherein: The guiding rod (74) is inserted into the inside of the guiding cylinder (73).

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