Anti-cracking auxiliary tool for joint of assembly type laminated slab
By designing prefabricated laminated plate joint anti-cracking auxiliary tools, and using automation equipment to achieve efficient concrete pouring of laminated plate joints, solving the problem of time-consuming and labor-consuming manual operation in the existing technology, and improving construction efficiency and convenience of concrete use.
Patent Information
- Application Number
- CN202422451494.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-11
AI Technical Summary
In the prior art, the seam treatment of the laminated plate lacks convenience, which consumes manpower and time, resulting in the laminated plate being prone to cracking.
A prefabricated laminated plate joint anti-cracking auxiliary tool is designed, including the main mounting plate, linear motor, electric push rod, mixing motor, concrete mixing rod and control valve. Through automated concrete pouring and scraping, efficient concrete pouring at the joints can be achieved.
It improves the convenience and efficiency of concrete pouring at the joints of the laminated plates, reduces manpower consumption, prevents concrete from drying, has a reasonable structure and is easy to use.
Smart Images

Figure CN223151665U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an auxiliary tool for preventing cracking of assembled composite slab joints, belonging to the technical field of construction equipment. Background Technique
[0002] A composite floor slab is an assembled monolithic floor slab formed by laminating a precast slab and a cast-in-place reinforced concrete layer. The composite floor slab has good integrity, and the upper and lower surfaces of the slab are flat, which is convenient for the decoration of the finishing layer. It is suitable for high-rise buildings and large-span buildings with high requirements for overall stiffness.
[0003] During the construction process, in order to prevent the composite slab from cracking easily in the later stage, it is often necessary to carry out joint treatment on the composite slab. Generally, manual step-by-step operation is required during the joint operation. This method lacks convenience and consumes manpower and time. Now there is an urgent need for an auxiliary tool for preventing cracking of assembled composite slab joints to solve the above problems. Content of the Utility Model
[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide an auxiliary tool for preventing cracking of assembled composite slab joints to solve the problems raised in the above background technique. The structure of the utility model is reasonable, has good practicability, is convenient for pouring concrete at the joint of the composite slab, and the stored concrete is not easy to dry out, has good adjustability and is convenient to use.
[0005] In order to achieve the above purpose, the utility model is realized by the following technical solutions: an auxiliary tool for preventing cracking of assembled composite slab joints, including a main mounting plate and a concrete storage tank. A receiving groove is formed through the middle of the upper part of the main mounting plate. Linear motors are symmetrically installed above the main mounting plate with the receiving groove as the axis. A side mounting plate is installed on the front side of the main mounting plate. A first electric push rod is installed below the side mounting plate. A scraper is installed at the shaft end of the first electric push rod. A cover plate is movably installed above the concrete storage tank. A through hole is provided in the middle of the upper part of the cover plate. A stirring motor is installed in the middle of the upper part of the cover plate. The shaft part of the stirring motor passes through the through hole. A concrete stirring rod is installed at the shaft end of the stirring motor. A feed pipe is provided on the right side of the concrete storage tank. A discharge pipe is provided below the concrete storage tank. The concrete storage tank is connected to the moving ends of the two linear motors. The discharge pipe is located in the middle of the receiving groove.
[0006] Furthermore, a control valve is connected to the lower part of the discharge pipe, and a telescopic hose is hermetically installed at the outlet end of the control valve.
[0007] Furthermore, a nozzle is hermetically and movably installed at the lower end of the telescopic hose, and a second electric push rod is installed on the right side below the control valve.
[0008] Further, a connecting plate is installed at the end of the second electric push rod shaft, and the connecting plate is connected to the telescopic hose.
[0009] Further, an anti-slip handle is installed at the rear side of the main mounting plate, and square columns are respectively installed at multiple corners below the main mounting plate, and rollers are respectively installed below the multiple square columns.
[0010] Further, the concrete storage tank is made of sound-insulating material.
[0011] The beneficial effects of the present utility model: An auxiliary tool for preventing cracking of the joint of an assembled laminated slab of the present utility model. Due to the addition of a linear motor, a first electric push rod, a second electric push rod, a stirring motor, a concrete stirring rod and a control valve in the present utility model, through our design improvement and actual use, it shows that the device has a reasonable structure, good practicability, is convenient for pouring concrete at the joint of the laminated slab, and the stored concrete is not easy to dry out, has good adjustability and is convenient to use. Description of the Drawings
[0012] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:
[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of an auxiliary tool for preventing cracking of the joint of an assembled laminated slab of the present utility model;
[0014] Figure 2 It is a three-dimensional schematic diagram of the installation position structure of the nozzle of an auxiliary tool for preventing cracking of the joint of an assembled laminated slab of the present utility model;
[0015] Figure 3 It is for an auxiliary tool for preventing cracking of the joint of an assembled laminated slab of the present utility model Figure 2 The three-dimensional enlarged schematic diagram of the structure at A;
[0016] Figure 4 It is a three-dimensional schematic diagram of the cover plate structure of an auxiliary tool for preventing cracking of the joint of an assembled laminated slab of the present utility model.
[0017] In the figure: 1 - main mounting plate, 2 - square column, 3 - roller, 4 - anti-slip handle, 5 - concrete storage tank, 6 - cover plate, 7 - stirring motor, 8 - feed pipe, 9 - linear motor, 10 - side mounting plate, 11 - first electric push rod, 12 - scraper, 13 - receiving groove, 14 - control valve, 15 - telescopic hose, 16 - nozzle, 17 - second electric push rod, 18 - connecting plate, 19 - through hole, 20 - concrete stirring rod, 21 - discharge pipe. Detailed Description of the Invention
[0018] To make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0019] Please refer to Figures 1 - 4 , the present utility model provides a technical solution: an auxiliary tool for preventing cracking of assembled composite slab joints, including a main mounting plate 1 and a concrete storage tank 5. A receiving groove 13 is vertically opened in the middle above the main mounting plate 1. Linear motors 9 are symmetrically mounted above the main mounting plate 1 with the receiving groove 13 as the axis of symmetry. A side mounting plate 10 is mounted on the front side of the main mounting plate 1. A first electric push rod 11 is mounted below the side mounting plate 10. A scraper 12 is mounted at the shaft end of the first electric push rod 11. A cover plate 6 is movably mounted above the concrete storage tank 5. A through hole 19 is provided in the middle above the cover plate 6. A stirring motor 7 is mounted in the middle above the cover plate 6. The shaft of the stirring motor 7 passes through the through hole 19. A concrete stirring rod 20 is mounted at the shaft end of the stirring motor 7. A feed pipe 8 is opened on the right side of the concrete storage tank 5. A discharge pipe 21 is provided below the concrete storage tank 5. The concrete storage tank 5 is connected to the moving ends of the two linear motors 9. The discharge pipe 21 is located in the middle of the receiving groove 13. This design solves the problem that when generally performing joint operations, manual step-by-step operations are required, which lacks convenience and consumes manpower and time.
[0020] As the first embodiment of the present utility model: A control valve 14 is connected to the lower part of the discharge pipe 21. A telescopic hose 15 is hermetically mounted at the outlet end of the control valve 14. By providing the control valve 14, it is convenient to control the discharge. By providing the telescopic hose 15, under the action of the second electric push rod 17, the connecting plate 18 can stretch the telescopic hose 15, thereby adjusting the height of the nozzle 16. The lower end of the telescopic hose 15 is hermetically and movably mounted with a nozzle 16. A second electric push rod 17 is mounted on the lower right side of the control valve 14. By providing the nozzle 16, it is convenient to extend into the joint for concrete pouring. A connecting plate 18 is mounted at the shaft end of the second electric push rod 17. The connecting plate 18 is connected to the telescopic hose 15. An anti-slip handle 4 is mounted on the rear side of the main mounting plate 1. Square columns 2 are respectively mounted at multiple corners below the main mounting plate 1. Wheels 3 are respectively mounted below the multiple square columns 2. Through the cooperation of the anti-slip handle 4 and the wheels 3, it is convenient to move the device. The material of the concrete storage tank 5 is a sound-insulating material. By using the sound-insulating concrete storage tank 5, it is convenient to reduce the noise generated when the concrete stirring rod 20 stirs the concrete.
[0021] As the second embodiment of the present utility model: A storage battery for powering the device is provided inside the main mounting plate 1. Before use, the electrical components of the device can be electrically connected to an external controller. During use, the device is moved to the construction site through the anti-slip handle 4, so that the nozzle 16 is aligned with the joint of the laminated board. Then, the two linear motors 9 are started, and the moving ends of the two linear motors 9 move synchronously, thereby driving the concrete storage tank 5 to move to the front end of the main mounting plate 1. Then, concrete is added into the concrete storage tank 5 through the feed pipe 8. Then, the stirring motor 7 is started to drive the concrete stirring rod 20 to stir the concrete to prevent it from solidifying. Then, the second electric push rod 17 is started, so that the connecting plate 18 moves downward. At this time, the telescopic hose 15 is stretched, and the nozzle 16 moves downward, so that the nozzle 16 extends into the joint of the laminated board. Then, the control valve 14 is opened, and the concrete will enter the telescopic hose 15 through the discharge pipe 21 and then be sprayed out from the nozzle 16. At this time, the two linear motors 9 can be started, and the moving ends of the two linear motors 9 move synchronously, thereby driving the concrete storage tank 5 to move backward, thus driving the nozzle 16 to move, and pouring concrete into the remaining places inside the joint of the laminated board. When the concrete storage tank 5 moves from the front to the back, the first section of internal pouring is completed inside the joint of the laminated board. Then, the device can be moved to pour the remaining parts of multiple sections of the joint of the laminated board. After pouring, a nozzle 16 with a larger diameter can be replaced to pour the upper part of the joint of the laminated board. The first electric push rod 11 is started to drive the scraper 12 to move downward, so as to level the concrete during the movement of the device.
[0022] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.
[0023] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An auxiliary tool for preventing cracks in the joints of prefabricated composite slabs, comprising a main mounting plate (1) and a concrete storage tank (5), characterized in that: A receiving groove (13) is formed through the middle above the main mounting plate (1). A linear motor (9) is symmetrically mounted above the main mounting plate (1) with the receiving groove (13) as the axis. A side mounting plate (10) is mounted on the front side of the main mounting plate (1). A first electric push rod (11) is mounted below the side mounting plate (10). A scraping plate (12) is mounted at the shaft end of the first electric push rod (11). A cover plate (6) is movably mounted above the concrete storage tank (5). A through hole (19) is provided in the middle above the cover plate (6). A stirring motor (7) is mounted in the middle above the cover plate (6). The shaft of the stirring motor (7) passes through the through hole (19). A concrete stirring rod (20) is mounted at the shaft end of the stirring motor (7). A feed pipe (8) is formed on the right side of the concrete storage tank (5). A discharge pipe (21) is provided below the concrete storage tank (5). The concrete storage tank (5) is connected to the moving ends of the two linear motors (9). The discharge pipe (21) is located in the middle of the receiving groove (13).
2. The auxiliary tool for preventing cracking of the joint of the prefabricated composite slab according to claim 1, wherein: A control valve (14) is connected below the discharge pipe (21). A telescopic hose (15) is hermetically mounted at the outlet end of the control valve (14).
3. An auxiliary tool for preventing cracking of the joints of assembled composite slabs according to claim 2, characterized in that: The lower end of the telescopic hose (15) is hermetically and movably mounted with a spray head (16). A second electric push rod (17) is mounted on the right side below the control valve (14).
4. An auxiliary tool for preventing cracking of the joint of a prefabricated composite slab according to claim 3, characterized in that: A connecting plate (18) is mounted at the shaft end of the second electric push rod (17). The connecting plate (18) is connected to the telescopic hose (15).
5. An auxiliary tool for preventing cracks in the joints of assembled laminated plates according to claim 1, characterized in that: An anti-slip handle (4) is mounted on the rear side of the main mounting plate (1). Square columns (2) are respectively mounted at multiple corners below the main mounting plate (1). Rollers (3) are respectively mounted below the multiple square columns (2).
6. An auxiliary tool for preventing cracking of the joints of prefabricated composite slabs according to claim 1, characterized in that: The concrete storage tank (5) is made of sound-insulating material.