Bedding tool for horizontal seam of prefabricated wall body with fabricated structure

Abstract

The utility model provides a bedding tool for a horizontal seam of a prefabricated wall of an assembly type structure, and aims to improve bedding construction efficiency and quality. The tool comprises a bracket assembly, an opening and closing supporting assembly and a limiting assembly. The bracket assembly is composed of an upper supporting plate and a lower supporting plate and can stretch into a gap between a prefabricated wall and a laminated slab, the distance between the upper supporting plate and the lower supporting plate is adjusted by opening and closing an oval supporting wheel in the supporting assembly, and stable supporting is achieved. The limiting assembly ensures that the horizontal position of the tool is accurate. During use, a worker rotates the transmission shaft through the handle to adjust the position of the elliptical supporting wheel, so that the upper supporting plate is tightly attached to the bottom surface of a prefabricated wall, and then a gap is uniformly filled with bedding material. The tool is reasonable in design, easy and convenient to operate and suitable for gaps between prefabricated walls and laminated slabs of different sizes, the mechanization degree and precision of bedding construction can be effectively improved, manpower requirements are reduced, the construction progress is accelerated, meanwhile, bedding uniformity and compactness are guaranteed, the structural connection strength is enhanced, and remarkable technical progress and practical value are achieved.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated building construction technology, specifically a tool for grouting construction of horizontal joints between prefabricated walls and composite slabs in prefabricated structures. It aims to improve the efficiency and quality of grouting construction and ensure a firm and reliable connection between the prefabricated walls and composite slabs. Background Technology

[0002] In the construction of prefabricated houses, especially those designed for earthquake resistance, grouting sleeves are often used to connect the prefabricated walls and composite slabs. The gaps between the prefabricated interior and exterior walls and the composite slabs need to be sealed with a grouting material to create a closed cavity. The grouting material must reach a certain strength before the grouting process can begin. This construction process requires that the thickness of the grouting material should not affect the grouting process; therefore, the quality of the grouting material application is a crucial step in ensuring the quality of the wall grouting. Traditional construction methods often rely on manual operation, resulting in uneven grouting and low efficiency.

[0003] Patent application number 201821740298.X discloses a construction tool for grouting precast walls in an assembled structure, including a horizontal bracket, an opening and closing support, and a limiting device. The horizontal bracket includes a bottom bracket and a top bracket, with a top bracket slot at the bottom of the top bracket. The opening and closing support includes a first opening and closing support body and a second opening and closing support body hinged together in an X shape. The first opening and closing support body includes a first hinge joint, a first fixing rod, and a lower handle, with the first fixing rod welded to the top bracket. The second opening and closing support body includes a second hinge joint, a second fixing rod, and an upper handle, with the second fixing rod welded to the bottom bracket. A spring is provided between the lower and upper handles. The limiting device is welded to the first fixing rod, and the horizontal distance from the limiting device to the horizontal bracket is the thickness of the grout to be applied. This tool can precisely control the thickness of the grout and ensure that there is no leakage during subsequent grouting.

[0004] However, the aforementioned patented technology requires workers to continuously operate the handle during grout placement, as the tool cannot be supported independently. Therefore, developing a tool that can efficiently and accurately complete the grout placement process is particularly important. Utility Model Content

[0005] The purpose of this utility model is to provide a grouting tool for horizontal joints of prefabricated wall structures to solve the problems mentioned in the background art.

[0006] (1) How to design bracket components, limit components and opening and closing support components to realize the mechanization and standardization of grouting construction and improve construction efficiency and quality.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A tool for applying grout to horizontal joints of prefabricated wall structures;

[0009] Includes bracket assembly and several opening and closing support assemblies;

[0010] The bracket assembly includes an upper support plate and a lower support plate, which can extend into the gap between the precast wall and the composite slab;

[0011] The opening and closing support assembly includes an elliptical support wheel and a drive shaft. The sidewalls of the elliptical support wheel abut against the upper and lower support plates of the bracket assembly, respectively, and the elliptical support wheel is fixedly installed on the drive shaft.

[0012] Based on the above technical solution, the present invention can be further improved as follows.

[0013] Furthermore, the upper support plate includes an integrally formed first horizontal plate and a first vertical plate. The first horizontal plate contacts the elliptical support wheel of the opening and closing support assembly, and the first vertical plate extends downward. The lower support plate includes an integrally formed second horizontal plate and a second vertical plate. The second horizontal plate contacts the elliptical support wheel of the opening and closing support assembly, and the second vertical plate extends upward. The elliptical support wheel is located between the first horizontal plate of the upper support plate and the second horizontal plate of the lower support plate.

[0014] Furthermore, the two apex portions of the elliptical support wheel of the opening and closing support assembly are respectively hinged to the first vertical plate of the upper support plate and the second vertical plate of the lower support plate via pins, and the axial direction of the pins is consistent with the axial direction of the transmission shaft.

[0015] Furthermore, a foot pedal is fixedly connected to the bottom of the lower support plate. The foot pedal contacts the base surface of the prefabricated structure and extends outward from the gap between the prefabricated wall and the composite slab.

[0016] Furthermore, the end of the drive shaft of the opening and closing support assembly extends outward from the gap between the precast wall and the composite slab.

[0017] Furthermore, the opening and closing support assembly also includes a connecting rod, one end of which is hinged to the end of the transmission shaft extending out of the gap between the precast wall and the composite slab, and the other end of which is hinged to the foot pedal of the lower support plate.

[0018] Furthermore, a handle is fixedly connected to the end of the drive shaft that extends outward from the gap between the precast wall and the composite slab.

[0019] Furthermore, it also includes a limiting component, which in turn includes a bracket and a limiting plate. The lower end of the bracket is fixedly connected to the foot pedal, and the upper end of the bracket is fixedly connected to the limiting plate. The end face of the limiting plate can contact the precast wall.

[0020] With this structure, the position of the elliptical support wheel is adjusted by rotating the drive shaft with the handle, minimizing the distance between the upper and lower support plates to facilitate tool insertion into the gap. The entire tool is inserted into the gap between the precast wall and the composite slab, ensuring the foot pedal is in contact with the base surface of the prefabricated structure. The worker steps on the foot pedal, grips the handle, and rotates it circumferentially along the drive shaft. The elliptical support wheel rotates, causing the upper support plate to rise until its upper surface is flush against the bottom surface of the precast wall. Simultaneously, the upper and lower sidewalls of the elliptical support wheel abut against the horizontal plates of the upper and lower support plates, respectively, achieving stable support. The grout is evenly filled into the gap formed by the precast wall, composite slab, and bracket assembly, ensuring a dense and void-free grout application. The tool is moved along the length of the grout application area, repeating the above grouting process until all grouting work is completed. After completion, the tool is horizontally withdrawn, ready for the next section of work.

[0021] The beneficial technical effects of this prefabricated wall horizontal joint grouting tool are as follows:

[0022] (1) Improve construction efficiency: Mechanized operation significantly speeds up the construction progress and reduces the need for manpower.

[0023] (2) Ensure construction quality: Through precise adjustment and stable support, ensure uniform and dense grouting and enhance the structural connection strength.

[0024] (3) Easy to operate: The structure is reasonably designed, easy to operate and maintain, and reduces the difficulty of construction.

[0025] (4) High adaptability: It is suitable for gaps between precast walls and composite slabs of different sizes, improving the versatility of tools. Attached Figure Description

[0026] Figure 1 This is a diagram illustrating the usage state of the grouting tool for horizontal joints in a prefabricated wall structure.

[0027] Figure 2 yes Figure 1 Enlarged view of part A.

[0028] Figure 3 This is a front view of the pre-use state of the grouting tool for the horizontal joint of the prefabricated wall structure in this assembly-type structure.

[0029] Figure 4 This is a front view of the usage state of the grouting tool for horizontal joints of prefabricated walls in this prefabricated structure.

[0030] Description of the numbers in the figure:

[0031] Upper support plate - 110; First horizontal plate - 111; First vertical plate - 112; Lower support plate - 120; Second horizontal plate - 121; Second vertical plate - 122; Foot pedal - 123; Elliptical support wheel - 210; Pin - 211; Drive shaft - 220; Connecting rod - 230; Handle - 240; Bracket - 310; Limiting plate - 320; Precast wall - 410; Composite slab - 420; Mortar bedding material - 430. Detailed Implementation

[0032] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0033] The terms “vertical,” “horizontal,” “left,” “right,” and similar expressions used in this document are for illustrative purposes only and do not represent the only possible implementation.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0035] Please see Figures 1 to 2 .

[0036] This prefabricated wall horizontal joint grouting tool includes a bracket assembly, a limiting assembly, and two sets of opening and closing support assemblies.

[0037] The bracket assembly includes an upper support plate 110 and a lower support plate 120, which can extend into the gap between the precast wall 410 and the composite slab 420. The upper support plate 110 and the lower support plate 120 are placed vertically. The upper support plate 110 includes an integrally formed first horizontal plate 111 and a first vertical plate 112. The first horizontal plate 111 contacts the elliptical support wheel 210 of the opening and closing support assembly, and the first vertical plate 112 extends downward. The lower support plate 120 includes an integrally formed second horizontal plate 121 and a second vertical plate 122. The vertical plate 122 and the second horizontal plate 121 are in contact with the elliptical support wheel 210 of the opening and closing support assembly. The second vertical plate 122 extends upward. The elliptical support wheel 210 is located between the first horizontal plate 111 of the upper support plate 110 and the second horizontal plate 121 of the lower support plate 120. A foot pedal 123 is welded and fixed to the bottom of the lower support plate 120. The foot pedal 123 is in contact with the base surface of the prefabricated structure (the upper end surface of the composite plate 420). The foot pedal 123 extends outward from the gap between the prefabricated wall 410 and the composite plate 420.

[0038] The opening and closing support assembly includes an elliptical support wheel 210, a connecting rod 230, and a drive shaft 220. The elliptical support wheel 210 is fixedly mounted on the drive shaft 220. The two apex portions of the elliptical support wheel 210 are respectively hinged to the first vertical plate 112 of the upper support plate 110 and the second vertical plate 122 of the lower support plate 120 via pins 211. The axial direction of the pins 211 is consistent with the axial direction of the drive shaft 220. The end of the drive shaft 220 extends out of the gap between the precast wall 410 and the composite plate 420. One end of the connecting rod 230 is hinged to the end of the drive shaft 220 extending out of the gap between the precast wall 410 and the composite plate 420. The other end of the connecting rod 230 is hinged to the foot pedal 123 of the lower support plate 120. A handle 240 is welded and fixed to the end of the drive shaft 220 extending out of the gap between the precast wall 410 and the composite plate 420.

[0039] The limiting component includes a bracket 310 and a limiting plate 320. The lower end of the bracket 310 is fixedly connected to the foot pedal 123, and the upper end of the bracket 310 is fixedly connected to the limiting plate 320. The end face of the limiting plate 320 can contact the precast wall 410 to limit the movement of the tool in the horizontal direction and ensure the accuracy of the grouting construction.

[0040] Please see Figure 3 Before use, rotate the drive shaft 220 by the handle 240 to minimize the distance between the upper support plate 110 and the lower support plate 120 of the bracket assembly.

[0041] When in use, the grouting tool for the horizontal joint of the prefabricated wall of this prefabricated structure is inserted into the gap between the prefabricated wall 410 and the composite slab 420.

[0042] Please see Figure 4The worker steps on the foot pedal 123 and grips the handle 240, rotating it circumferentially along the drive shaft 220. The drive shaft 220 drives the elliptical support wheel 210 to rotate. Since the two apex parts of the elliptical support wheel 210 are respectively hinged to the first vertical plate 112 of the upper support plate 110 and the second vertical plate 122 of the lower support plate 120 through the pin 211, the rotated elliptical support wheel 210 drives the upper support plate 110 to move upward until the upper end surface of the upper support plate 110 abuts against the bottom surface of the precast wall 410, the upper side wall of the elliptical support wheel 210 abuts against the first horizontal plate 111 of the upper support plate 110, and the lower side wall of the elliptical support wheel 210 abuts against the second horizontal plate 121 of the lower support plate 120, so that the upper support plate 110 and the lower support plate 120 abut against the precast wall 410 and the composite plate 420 respectively, and the positions of the upper support plate 110 and the lower support plate 120 are fixed.

[0043] Then, the grouting material 430 is inserted into the gap formed between the precast wall 410, the composite slab 420, and the bracket assembly, so that there are no gaps between the grouting material 430 and the bottom surface of the precast wall 410 and the top surface of the composite slab 420, thus completing the grouting construction.

[0044] Move the grouting tool for the horizontal joint of the prefabricated wall of this prefabricated structure along the length of the grouting to be applied, and insert the grouting material 430 into the gaps formed between the prefabricated wall 410, the composite slab 420, and the bracket assembly in sequence until all the grouting is completed.

[0045] Finally, the grouting tool for the horizontal joint of the precast wall of this prefabricated structure is pulled out horizontally from the cast-in-place node.

[0046] The above description is only one embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the principle of the present utility model, and these should also be considered to fall within the protection scope of the present utility model.

Claims

1. A grouting tool for horizontal joints of prefabricated wall structures, characterized in that: Includes bracket assembly and several opening and closing support assemblies; The bracket assembly includes an upper support plate (110) and a lower support plate (120), which can extend into the gap between the precast wall (410) and the composite slab (420); The opening and closing support assembly includes an elliptical support wheel (210) and a drive shaft (220). The sidewalls of the elliptical support wheel (210) abut against the upper support plate (110) and the lower support plate (120) of the bracket assembly, respectively. The elliptical support wheel (210) is fixedly installed on the drive shaft (220).

2. The grouting tool for horizontal joints of prefabricated wall structures according to claim 1, characterized in that: The upper support plate (110) includes an integrally formed first horizontal plate (111) and a first vertical plate (112). The first horizontal plate (111) contacts the elliptical support wheel (210) of the opening and closing support assembly, and the first vertical plate (112) extends downward. The lower support plate (120) includes an integrally formed second horizontal plate (121) and a second vertical plate (122). The second horizontal plate (121) contacts the elliptical support wheel (210) of the opening and closing support assembly, and the second vertical plate (122) extends upward. The elliptical support wheel (210) is located between the first horizontal plate (111) of the upper support plate (110) and the second horizontal plate (121) of the lower support plate (120).

3. The grouting tool for horizontal joints of prefabricated wall structures according to claim 2, characterized in that: The two apex portions of the elliptical support wheel (210) of the opening and closing support assembly are respectively hinged to the first vertical plate (112) of the upper support plate (110) and the second vertical plate (122) of the lower support plate (120) via pins (211), and the axial direction of the pins (211) is consistent with the axial direction of the transmission shaft (220).

4. The grouting tool for horizontal joints of prefabricated wall structures according to claim 1, characterized in that: The bottom of the lower support plate (120) is fixedly connected to a foot pedal (123). The foot pedal (123) contacts the base surface of the prefabricated structure and extends out of the gap between the prefabricated wall (410) and the composite slab (420).

5. The grouting tool for horizontal joints of prefabricated wall structures according to claim 4, characterized in that: The end of the drive shaft (220) of the opening and closing support assembly extends outward from the gap between the precast wall (410) and the composite slab (420).

6. The grouting tool for horizontal joints of prefabricated wall structures according to claim 5, characterized in that: The opening and closing support assembly also includes a connecting rod (230), one end of which is hinged to the end of a drive shaft (220) extending out of the gap between the precast wall (410) and the composite plate (420), and the other end of which is hinged to the foot pedal (123) of the lower support plate (120).

7. The grouting tool for horizontal joints of prefabricated wall structures according to claim 5, characterized in that: A handle (240) is fixedly connected to the end of the drive shaft (220) that extends out of the gap between the precast wall (410) and the composite slab (420).

8. The grouting tool for horizontal joints of prefabricated wall structures according to claim 4, characterized in that: It also includes a limiting component, which includes a bracket (310) and a limiting plate (320). The lower end of the bracket (310) is fixedly connected to the foot pedal (123), and the upper end of the bracket (310) is fixedly connected to the limiting plate (320). The end face of the limiting plate (320) can contact the precast wall (410).

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