Sprayed concrete screed blade

Abstract

The utility model discloses a kind of sprayed concrete scraping knife spades, including shovel handle and shovel body, the shovel handle is detachably connected with shovel body by connecting bolt, the position of shovel handle outer wall close to handheld end is equipped with rubber baffle cover, the rubber baffle cover is hemispherical, the cladding cavity of the rubber baffle cover is opposite the handheld end of shovel handle.Solve the problem that the existing scraping knife spade does not block the flowing concrete when wall surface is scraped, thereby protecting the hand of construction personnel.

Description

Technical Field

[0001] This utility model relates to the field of concrete construction, and in particular to a shotcrete leveling trowel. Background Technology

[0002] In existing technologies, when constructing with concrete, after laying or spraying, it is usually necessary to use a screed to level it. Laying is mainly used for floors, while spraying is mainly used for walls. When leveling the wall, excess concrete often flows down the screed into the worker's hand, and concrete often causes skin irritation. Therefore, this is not good for the health of construction workers. However, existing technologies generally do not address this issue by improving the structure of the screed. Utility Model Content

[0003] The purpose of this utility model is to provide a shotcrete leveling trowel that solves the problem that existing leveling trowels do not prevent the flow of concrete when leveling walls, thus failing to protect the hands of construction workers.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A shotcrete leveling shovel includes a handle and a body. The handle is detachably connected to the body by connecting bolts. A rubber cover is provided on the outer wall of the handle near the hand-held end. The rubber cover is hemispherical, and the covering cavity of the rubber cover faces the hand-held end of the handle.

[0005] This solution incorporates a rubber shield that effectively protects the workers' hands. During construction, the hands are enclosed within the rubber shield's cavity and are not obstructed or covered by the flowing concrete. Furthermore, the shovel handle and body are detachable, facilitating replacement of either and reducing maintenance costs.

[0006] As a further preferred embodiment of this utility model, there are three connecting bolts for connecting the shovel handle and the shovel body, and the three connecting bolts are arranged in a triangle with the center point of the connection part as the center.

[0007] It is more secure and stable.

[0008] As a further preferred embodiment of this utility model, the outer wall of the rubber baffle is also covered with a plastic film, and the end of the plastic film connected to the shovel handle is a closed end, which is connected to the shovel handle by double-sided tape.

[0009] Once the concrete covers the rubber shield and hardens, it becomes difficult to remove. However, the plastic film can be replaced after construction, eliminating the need to clean the rubber shield again, which is much more convenient.

[0010] As a further preferred embodiment of this utility model, the gripping part of the shovel handle is provided with a gripping groove.

[0011] It provides a more secure grip and is less prone to slipping.

[0012] As a further preferred embodiment of this utility model, the connecting part of the shovel handle is provided with a shovel angle adjustment mechanism.

[0013] In existing technologies, the scraping angle is controlled manually based on experience and strength, which can lead to uneven concrete thickness after leveling. To solve this problem, a scraper angle adjustment mechanism is designed in this solution.

[0014] As a further preferred embodiment of this utility model, the shovel angle adjustment mechanism includes a shovel handle clamp, an angle adjustment rod, an adjustment rod positioner, and a slide rail. The connecting surface of the shovel handle clamp is fixedly connected to the angle adjustment rod, and the other end of the angle adjustment rod is rotatably connected to the slider of the slide rail. The adjustment rod positioner includes an adjustment rod gear and an angle adjustment gear. The adjustment rod gear is arranged around the angle adjustment rod and close to the slider, while the angle adjustment gear is rotatably arranged on the side where the slider and the angle adjustment rod are connected. The adjustment rod gear and the angle adjustment gear are meshed and connected. The angle adjustment gear is tightened and fixed by a tightening bolt located at its center. The slide rail is fixedly arranged parallel to the surface to be scraped.

[0015] When using it, first set up the slide rail, then use the shovel handle clamp to hold the shovel handle, loosen the tightening bolt, at this time the angle adjustment gear can rotate with the adjustment rod gear. Rotate the shovel handle to adjust the angle of the shovel handle. After adjustment, tighten the tightening bolt, the angle adjustment gear is fixed, which restricts the rotation of the adjustment rod gear, thereby restricting the rotation of the shovel handle. Then hold the shovel handle and move it up and down along the slide rail to achieve uniform shoveling.

[0016] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: 1. A rubber shield is installed in this solution, which can effectively block the hands of construction workers. During construction, the hands are located in the covered cavity of the rubber shield and will not be disturbed or covered by the flowing concrete. In addition, the handle and body of the shovel are detachable in this solution, which makes it easy to replace the shovel body or handle and reduces maintenance costs.

[0017] 2. Once the concrete covers the rubber shield and hardens, it becomes difficult to remove. The plastic film installed can be replaced after construction, so there is no need to clean the rubber shield again, which is more convenient.

[0018] 3. In existing technologies, the scraping angle is controlled manually by experience and strength, which can lead to uneven concrete thickness after scraping. To solve this problem, this solution incorporates a scraper angle adjustment mechanism to achieve uniform scraping. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the connection structure of the tightening bolt, the angle adjusting gear, and the slider of this utility model. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0023] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Specific Implementation Example 1

[0027] Figure 1 , Figure 2 A shotcrete leveling shovel is shown, including a handle 1 and a shovel body 2. The handle 1 is detachably connected to the shovel body 2 by a connecting bolt 3. A rubber cover 4 is provided on the outer wall of the handle 1 near the hand-held end. The rubber cover 4 is hemispherical, and the covering cavity of the rubber cover 4 is directly opposite the hand-held end of the handle 1.

[0028] This solution incorporates a rubber shield that effectively protects the workers' hands. During construction, the hands are enclosed within the rubber shield's cavity and are not obstructed or covered by the flowing concrete. Furthermore, the shovel handle and body are detachable, facilitating replacement of either and reducing maintenance costs. Specific Implementation Example 2

[0029] This embodiment further describes the connection of the shovel handle 1 based on specific embodiment 1. There are three connecting bolts 3 used to connect the shovel handle 1 and the shovel body 2. The three connecting bolts 3 are arranged in a triangle with the center point of the connection part as the center.

[0030] It is more secure and stable. Specific Implementation Example 3

[0031] This embodiment further describes the rubber baffle 4 based on specific embodiment 1. The outer wall of the rubber baffle 4 is also covered with a plastic film 6. The end of the plastic film 6 connected to the shovel handle 1 is a closed end 61, which is connected to the shovel handle 1 by double-sided tape.

[0032] Once the concrete covers the rubber shield and hardens, it becomes difficult to remove. However, the plastic film can be replaced after construction, eliminating the need to clean the rubber shield again, which is much more convenient. Specific Implementation Example 4

[0033] This embodiment further describes the shovel handle 1 based on specific embodiment 1. The gripping part of the shovel handle (1) is provided with a gripping groove.

[0034] It provides a more secure grip and is less prone to slipping. Specific Implementation Example 5

[0035] This embodiment further describes the shovel handle 1 based on specific embodiment 1. The connecting part of the shovel handle 1 is provided with a scraper angle adjustment mechanism 7.

[0036] In existing technologies, the scraping angle is controlled manually by experience and strength, which leads to uneven concrete thickness after scraping. Moreover, it is very tiring for the construction worker to maintain the angle without any support. To solve this problem, a scraper angle adjustment mechanism is designed in this solution. Specific Implementation Example 6

[0037] This embodiment further describes the hook-and-shovel angle adjustment mechanism 7 based on specific embodiment 5. The hook-and-shovel angle adjustment mechanism 7 includes a shovel handle clamp 71, an angle adjustment rod 72, an adjustment rod positioner 73, and a slide rail 74. The connecting surface of the shovel handle clamp 71 is fixedly connected to the angle adjustment rod 72. The other end of the angle adjustment rod 72 is rotatably connected to the slider 75 of the slide rail 74. The adjustment rod positioner 73 includes an adjustment rod gear 731 and an angle adjustment gear 732. The adjustment rod gear 731 is arranged around the angle adjustment rod 72 near the slider 75. The angle adjustment gear 732 is rotatably arranged on the side of the slider 75 connected to the angle adjustment rod 72. The adjustment rod gear 731 and the angle adjustment gear 732 are meshed and connected. The angle adjustment gear 732 is tightened and fixed by a tightening bolt 8 located at its center. The slide rail 74 is fixedly arranged parallel to the surface to be scraped.

[0038] When using it, first set up the slide rail, then use the shovel handle clamp to hold the shovel handle, loosen the tightening bolt, at this time the angle adjustment gear can rotate with the adjustment rod gear. Rotate the shovel handle to adjust the angle of the shovel handle. After adjustment, tighten the tightening bolt, the angle adjustment gear is fixed, which restricts the rotation of the adjustment rod gear, thereby restricting the rotation of the shovel handle. Then hold the shovel handle and move it up and down along the slide rail to achieve uniform shoveling.

[0039] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A shotcrete leveling shovel, comprising a handle (1) and a shovel body (2), characterized in that: The shovel handle (1) is detachably connected to the shovel body (2) by connecting bolts (3). A rubber cover (4) is provided on the outer wall of the shovel handle (1) near the hand-held end. The rubber cover (4) is hemispherical and the covering cavity of the rubber cover (4) is directly opposite the hand-held end of the shovel handle (1). The outer wall of the rubber cover (4) is also covered with a plastic film (6). The end of the plastic film (6) connected to the shovel handle (1) is a closed end (61). The closed end (61) is connected to the shovel handle (1) by double-sided tape.

2. The shotcrete leveling trowel according to claim 1, characterized in that: There are three connecting bolts (3) used to connect the shovel handle (1) and the shovel body (2). The three connecting bolts (3) are arranged in a triangle with the center point of the connection as the center.

3. The shotcrete leveling trowel according to claim 1, characterized in that: The gripping part of the shovel handle (1) is provided with a gripping groove.

4. The shotcrete leveling trowel according to claim 1, characterized in that: The shovel handle (1) is provided with a scraper angle adjustment mechanism (7) at the connection part.

5. The shotcrete leveling trowel according to claim 4, characterized in that: The scraper angle adjustment mechanism (7) includes a scraper handle clamp (71), an angle adjustment rod (72), an adjustment rod locator (73), and a slide rail (74). The connecting surface of the scraper handle clamp (71) is fixedly connected to the angle adjustment rod (72). The other end of the angle adjustment rod (72) is rotatably connected to the slider (75) of the slide rail (74). The adjustment rod locator (73) includes an adjustment rod gear (731) and an angle adjustment gear (732). The adjustment rod gear (731) is arranged around the angle adjustment rod (72) and close to the slider (75). The angle adjustment gear (732) is rotatably arranged on the side of the slider (75) connected to the angle adjustment rod (72). The adjustment rod gear (731) and the angle adjustment gear (732) are meshed. The angle adjustment gear (732) is tightened and fixed by a tightening bolt (8) located at its center. The slide rail (74) is fixedly arranged parallel to the surface to be scraped.

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