Anti-cracking film covering device for precast concrete component

By designing an anti-crack coating device, and utilizing components such as a frame, coating rollers, and hot press rollers, the problem of uneven coating on wide concrete components was solved, achieving a high-efficiency and low-cost coating effect.

CN223442495UActive Publication Date: 2025-10-17JIESHOU BAOYE RUIXIANG CONSTR INDUSTRIALIZATION CO LTD
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Patent Information

Application Number
CN202422544831.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-17
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

During the film coating process, it is difficult to complete the film coating of wider precast concrete components in one go, which leads to inconvenient installation, high cost, uneven film coating, and gaps at the joints, affecting the film coating effect.

Method used

A crack-resistant coating device was designed, including a frame driven by walking wheels, with a coating mechanism and a processing mechanism inside. The device uses components such as coating rollers, hot pressing rollers and pressing rollers to achieve overlap of coating rollers and hot pressing sealing of wide components, ensuring uniform coating.

Benefits of technology

It enables uniform film coating on wider concrete components, reducing installation difficulty and cost, and improving the sealing performance and effectiveness of the coating.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of component film covering, in particular to an anti-cracking film covering device of a concrete prefabricated component, which comprises a frame driven by walking wheels, two film covering mechanisms used for placing film covering rollers are arranged in an inner cavity of the frame, and a processing mechanism used for processing covering films is arranged on the surface of the frame. According to the anti-cracking film covering device for the concrete prefabricated component, when a wide concrete component is covered with a film, the film covering effect can be achieved only by overlapping the two short film covering rollers together, the covering film of the film covering rollers is pulled out through the empty grooves, the surface of the concrete component is covered with the film along with walking of the frame, and the film covering efficiency is greatly improved. And the hot-pressing wheel is used for hot-pressing the film, so that the film at the overlapped part is heated and adhered together for sealing, the operation is convenient, and the use cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of component film covering, in particular to the crack prevention film covering device of concrete prefabricated component. BACKGROUND

[0002] The concrete prefabricated component refers to the fabricated assembly type concrete component that has been completed before installation on the construction site, and the common ones are the prefabricated concrete floor slab, the concrete box girder for bridge, the prefabricated concrete roof beam for industrial workshop, the culvert frame, the prefabricated concrete pile for foundation treatment, etc. During the process of the concrete prefabricated component, film covering and curing are also needed. The film covering and curing is a curing method of carrying out film covering on the concrete structure or component. After the initial setting of the concrete, the curing film is manually laid before the final setting, so that the curing film and the concrete surface are tightly combined to promote the hydration effect of the concrete, and the curing film plays a significant role in preventing cracking and moisturizing during the curing process of the concrete.

[0003] When carrying out film covering, if the concrete prefabricated component has a large width and one-time film covering is needed, a long film covering roller is needed, which is inconvenient to install and has a high cost. If the film covering is carried out several times, the film covering will be uneven, and gaps will be easily generated at the connecting part, which affects the film covering effect. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides the crack prevention film covering device of concrete prefabricated component, and solves the above problems.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: the crack prevention film covering device of concrete prefabricated component, comprising a vehicle frame driven by walking wheels, two film covering mechanisms for placing the film covering rollers are arranged in the inner cavity of the vehicle frame, a processing mechanism for processing the film covering is arranged on the surface of the vehicle frame, the film covering mechanism comprises a driving shaft rotatingly arranged in the inner cavity of the vehicle frame and driven by a motor, and an inner recess is arranged in the vehicle frame on the side of the driving shaft, the inner cavity of the inner recess is slidably connected with a sliding block, one end of the sliding block is fixedly connected with a connecting ring, the inner cavity of the connecting ring is rotatably connected with a sleeve ring threadedly connected with the surface of the driving shaft, the film covering roller is sleeved on the surface of the driving shaft, and the side of the film covering roller is abutted with an abutting ring threadedly connected on one side of the driving shaft.

[0006] The two film covering mechanisms are staggered up and down and left and right in the inner cavity of the vehicle frame, and the ends of the two driving shafts both exceed the center line of the vehicle frame.

[0007] The surface of the vehicle frame is provided with an air slot for film output, and a hot pressing wheel with a built-in electric heating mechanism is rotatably connected to the center of the surface of the vehicle frame, and the surface of the hot pressing wheel abuts against the surface of the film; when the film needs to be applied to a wide component, two film applying rollers are installed on the two film applying mechanisms, the film applying rollers are sleeved on the surface of the driving shaft, the film applying rollers are then limited by the left abutting ring, the connecting ring is then installed by inserting the sliding block into the inner groove, and the sleeve ring in the connecting ring is then screwed on the surface of the driving shaft to limit the right side of the film applying roller; after the limiting is completed, the locking pin is inserted through the sliding block and abuts against the upper and lower sides of the inner groove to fix the sliding block, preventing the sliding block from moving in the inner groove when the driving shaft rotates; at this time, the two film applying rollers are fixed on the film applying mechanisms and coincide with each other, the film on the film applying rollers is pulled out through the air slot, the surface of the concrete component is coated with the film as the vehicle frame moves, and the film is hot pressed by the hot pressing wheel, so that the film at the coincident position is heated and adhered together to be sealed; when the vehicle frame moves, the pressing roller is limited, the film is pressed, and the film is effectively attached to the surface of the concrete prefabricated component; and the pressing roller can move up and down to adapt to concrete components of different heights through the buffering of the return spring.

[0008] As a further scheme of the present application: the inner groove is a rectangular groove, and the sliding block is a rectangular block matched with the rectangular groove; when the film applying mechanism needs to be used, the sliding block is directly inserted into the inner groove to install the connecting ring; and when the film applying mechanism does not need to be used, the sliding block can be directly disassembled.

[0009] As a further scheme of the present application: a locking pin is threadedly connected to the surface of the sliding block and abuts against the inner walls on the upper and lower sides of the inner groove; the locking pin is inserted through the sliding block and abuts against the upper and lower sides of the inner groove to fix the sliding block, preventing the sliding block from moving in the inner groove when the driving shaft rotates.

[0010] As a further scheme of the present application: the processing mechanism comprises a fixing cylinder fixed to the surface of the vehicle frame, a return spring fixedly connected to the inner cavity of the fixing cylinder, a guide rod penetrating through the return spring and extending downwards below the fixing cylinder, and a pressing roller rotatably connected to the bottom of the guide rod and abutting against the surface of the film.

[0011] As a further scheme of the present application: a connecting groove is formed in the middle section of the pressing roller and is rotatably connected to the guide rod; the bottom of the guide rod is a circular ring with the same diameter as the pressing roller; the circular ring at the bottom of the guide rod is sleeved on the connecting groove in the middle section of the pressing roller; only one positioning assembly is needed to limit the pressing roller; the film can be pressed, and the film is effectively attached to the surface of the concrete prefabricated component.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] 1. The utility model discloses, when the film of the film roller is dragged out through the air slot, the surface of the concrete component is coated with the walking of the frame, and the film is heat pressed through the heat pressing wheel, so that the film at the coincident place is adhered together by heat and sealed, which is not only convenient to operate, but also saves the use cost.

[0014] 2. The utility model discloses, when walking, the pressing roller is positioned, the film can be pressed, which is effectively attached to the surface of the concrete prefabricated component, and the concrete component of different height can be moved up and down through the buffering of the reset spring.

[0015] 3. The utility model discloses, the film roller is sleeved on the surface of the drive shaft, then the left side abutment ring is positioned to the film roller through adjusting, then the connecting ring is installed through the sliding block being inserted into the inner groove, then the sleeve ring in the connecting ring is screwed on the surface of the drive shaft, and the right side of the film roller is positioned, after the limiting is finished, the locking pin is passed through the sliding block and is abutted on the upper and lower sides of the inner groove, the sliding block can be fixed, and the film roller can be quickly disassembled and assembled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structure schematic view of the utility model;

[0017] Fig. 2 It is the structure sectional view of the utility model;

[0018] Fig. 3 It is the structure sectional view of the film state of the utility model.

[0019] In the drawing: 1, frame;2, drive shaft;3, abutment ring;4, film roller;5, connecting ring;6, inner groove;7, sliding block;8, air slot;9, fixed cylinder;10, reset spring;11, pressing roller;12, pressing roller;13, heat pressing wheel. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects of the utility model for realizing the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0021] Please refer to Figs. 1-3The utility model provides a technical scheme: concrete prefabricated component's anti -crack laminating device, including the vehicle frame 1 of driving through the walking wheel, the inner chamber of vehicle frame 1 is provided with two laminating mechanisms for placing laminating roller 4, the surface of vehicle frame 1 is provided with the processing mechanism for processing laminating, laminating mechanism includes the drive shaft 2 of rotating setting in the inner chamber of vehicle frame 1 through motor drive and the inner recess 6 of opening in vehicle frame 1 one side with drive shaft 2 level, the inner chamber of inner recess 6 is slidably connected with sliding block 7, one end of sliding block 7 is fixedly connected with connecting ring 5, the inner chamber of connecting ring 5 is rotatably connected with the sleeve ring of the surface screw connection of drive shaft 2, laminating roller 4 is set on the surface of drive shaft 2, one side screw connection of drive shaft 2 has and laminating roller 4 side abuts the abutment ring 3 of resistance,

[0022] Two laminating mechanisms are staggered on the inner chamber of vehicle frame 1 up and down left and right, and the end of two drive shafts 2 all exceeds the center line of vehicle frame 1;

[0023] The surface of vehicle frame 1 is provided with the empty slot 8 for laminating output, the surface center of vehicle frame 1 is rotatably connected with the hot pressure wheel 13 of built -in electric heating mechanism, the surface of hot pressure wheel 13 and the surface of laminating abut, when using, according to the use demand, when needing laminating to the wide component, installs laminating roller 4 to both laminating mechanisms, laminating roller 4 is set on the surface of drive shaft 2, then through the adjustment left abutment ring 3 to laminating roller 4 is positioned, then through the sliding block 7 is inserted into the inner recess 6 to install connecting ring 5, then the sleeve ring in connecting ring 5 is screwed on the surface of drive shaft 2, the right side of laminating roller 4 is positioned, after positioning, locking pin is inserted into sliding block 7 and is abutted in the upper and lower sides of inner recess 6, can fix sliding block 7, prevent the activity in inner recess 6 when drive shaft 2 rotates, at this moment, both laminating rollers 4 are fixed on laminating mechanism, and the middle is coincident, the laminating of laminating roller 4 is pulled out through empty slot 8, along with the walking of vehicle frame 1 laminating to the surface of concrete component, and through hot pressure wheel 13 to laminating is hot-pressed, so that the film of coincident place is heated and adhered together, seals, when walking, pressing roller 12 is positioned, can press laminating, make it effectively attached to the surface of concrete prefabricated component, and through the buffering of reset spring 10 can move up and down and adapt to concrete component of different height.

[0024] The inner recess 6 is rectangular groove, and the sliding block 7 is a rectangular block adapted to the rectangular groove. When needed, the sliding block 7 can be directly inserted into the inner recess 6 to install the connecting ring 5. When not needed, the sliding block 7 can be directly disassembled.

[0025] The surface of the sliding block 7 is threadedly connected with locking pins abutting against the inner walls on the upper and lower sides of the inner groove 6, and the sliding block 7 is fixed by the locking pins abutting against the upper and lower sides of the inner groove 6, so as to prevent the sliding block 7 from moving in the inner groove 6 when the driving shaft 2 rotates.

[0026] The processing mechanism comprises a fixing cylinder 9 fixed on the surface of the frame 1, the inner cavity of the fixing cylinder 9 is fixedly connected with a reset spring 10, the bottom of the reset spring 10 is fixedly connected with a guide rod 11 extending to below the fixing cylinder 9, and the bottom of the guide rod 11 is rotatably connected with a pressing roller 12 abutting against the surface of the film.

[0027] The middle section of the pressing roller 12 is provided with a connecting groove rotatably connected with the guide rod 11, and the bottom of the guide rod 11 is a circular ring with the same diameter as the pressing roller 12, the circular ring at the bottom of the guide rod 11 is sleeved on the connecting groove in the middle section of the pressing roller 12, and only one positioning assembly is needed to limit the pressing roller 12, so that the film can be pressed and effectively attached to the surface of the concrete prefabricated component.

[0028] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned equivalent embodiments without departing from the scope of the present application. Any modification, equivalent change and modification of the above-mentioned embodiments, which does not depart from the technical solution of the present application, is still within the scope of the present application.

Claims

1. An anti-cracking film coating device for precast concrete components, comprising a frame (1) driven by a traveling wheel, an inner cavity of the frame (1) being provided with two film coating mechanisms for placing film coating rollers (4), and a surface of the frame (1) being provided with a processing mechanism for processing the film coating, characterized in that: The laminating mechanism comprises a driving shaft (2) arranged to rotate in the inner cavity of a vehicle frame (1) by a motor, and an inner groove (6) provided on one side of the vehicle frame (1) and horizontal to the driving shaft (2); a sliding block (7) is slidably connected to the inner cavity of the inner groove (6); one end of the sliding block (7) is fixedly connected to a connecting ring (5); the inner cavity of the connecting ring (5) is rotatably connected to a sleeve connected to the surface of the driving shaft (2); the laminating roller (4) is sleeved on the surface of the driving shaft (2); and one side of the driving shaft (2) is threadedly connected to an abutting ring (3) abutting against the side of the laminating roller (4); The two laminating mechanisms are staggered in the inner cavity of the vehicle frame (1) in the vertical and horizontal directions, and the ends of the two drive shafts (2) are both beyond the center line of the vehicle frame (1); The surface of the frame (1) is provided with an empty slot (8) for laminating output, and a hot pressing wheel (13) with a built-in electric heating mechanism is rotatably connected at the center of the surface of the frame (1), and the surface of the hot pressing wheel (13) abuts against the surface of the laminating film.

2. The anti-cracking film covering device for precast concrete components according to claim 1, characterized in that: The inner groove (6) is a rectangular groove, and the sliding block (7) is a rectangular block adapted to the rectangular groove.

3. The anti-cracking film covering device for precast concrete components according to claim 1, characterized in that: The surface of the sliding block (7) is threadedly connected with locking pins that abut against the upper and lower inner walls of the inner groove (6).

4. The anti-cracking film covering device for precast concrete components according to claim 1, characterized in that: The processing mechanism includes a fixed cylinder (9) fixed on the surface of the frame (1), the inner cavity of the fixed cylinder (9) is fixedly connected to a reset spring (10), the bottom of the reset spring (10) is fixedly connected to a guide rod (11) that passes through and extends to the bottom of the fixed cylinder (9), and the bottom of the guide rod (11) is rotatably connected to a pressing roller (12) that abuts against the coating surface.

5. The anti-cracking film covering device for precast concrete components according to claim 4, characterized in that: The middle section of the pressing roller (12) is provided with a connection groove rotatably connected to the guide rod (11), and the bottom of the guide rod (11) is a circular ring with the same diameter as the pressing roller (12).