Stainless steel trowelling tool for airport pavement concrete

The design of the pin and slot structure enables quick replacement of the sizing shovel head and flexible adjustment of the tool, solving the problem of difficult disassembly of existing tools and improving construction efficiency and quality.

CN223458644UActive Publication Date: 2025-10-21SICHUAN ROAD FIELD ENG CO LTD
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Patent Information

Application Number
CN202422891271.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-10-21
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

The existing airport pavement concrete leveling tools have leveling shovels and connecting rods that are not easy to disassemble and replace, resulting in a cumbersome process and low work efficiency.

Method used

The tool uses a pin and slot structure to enable quick installation and removal of the smoothing shovel head, and combines a telescopic rod and steel ball adjustment assembly to achieve flexible adjustment of the tool length and angle.

Benefits of technology

It improves the efficiency of tool replacement and construction, enhances tool adaptability and construction quality, and meets the needs of different construction scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete trowelling, and discloses a stainless steel trowelling tool for airport pavement concrete, which comprises a mounting seat, the outer wall of the mounting seat is in sliding connection with a connecting seat, one end of the connecting seat is fixedly connected with a fixing frame, and the other end of the connecting seat is fixedly connected with a base. A mounting assembly is arranged in the mounting base, an adjusting assembly is arranged at one end of the fixing frame, the mounting assembly comprises a connecting block, the outer wall of the connecting block is slidably connected into the mounting base, a first spring is arranged at one end of the connecting block, and a plug pin is fixedly connected to the outer wall of the mounting base. When the trowelling shovel is installed, the installation base slides down along the connecting base, the extrusion block extrudes the connecting block to enable the first spring to be compressed, when the plug pin reaches the position of the clamping groove, the plug pin is clamped into the clamping groove under the elastic force effect of the first spring, fixing of the installation base and the connecting base is completed, and therefore the trowelling shovel is fixed, and rapid installation is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to concrete troweling technical field especially, it relates to a stainless steel troweling tool for airport pavement concrete. BACKGROUND

[0002] A stainless steel troweling tool for airport pavement concrete is a key equipment specially used for airport pavement concrete construction. In the process of airport construction and maintenance, the flatness of the pavement is crucial. The concrete pavement of the areas such as the airport runway, taxiway and parking apron needs to have a very high flatness to ensure the safe take-off and landing and taxiing of the aircraft. At the same time, the airport pavement often bears the huge weight and impact force of the aircraft, and the quality requirement of the pavement is very high. This stainless steel troweling tool can finely process the surface of the concrete after pouring, so that the pavement reaches the required flatness standard, and is widely used in new airport construction and airport pavement renovation engineering scenes.

[0003] The troweling tool in the prior art is connected by screws and rivets through a troweling shovel head and a connecting rod, and then the shovel head is driven by the connecting rod to perform troweling work on the concrete. In the prior art, the troweling shovel head is worn out during use, so it needs to be replaced after a period of use. The existing installation method uses rivets and screws for fixation, which makes the replacement process troublesome and the work efficiency relatively low. Therefore, improvement is needed. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a stainless steel troweling tool for airport pavement concrete, which aims to improve the problem of low work efficiency caused by the difficulty in disassembling and replacing the troweling shovel head and the connecting rod in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a stainless steel troweling tool for airport pavement concrete, comprising a mounting seat, a connecting seat is slidably connected to the outer wall of the mounting seat, a fixed frame is fixedly connected to one end of the connecting seat, an installation assembly is arranged inside the mounting seat, an adjusting assembly is arranged at one end of the fixed frame, the installation assembly comprises a connecting block, the connecting block is slidably connected to the inside of the mounting seat, a spring one is arranged at one end of the connecting block, a latch is fixedly connected to the outer wall of the mounting seat, a clamping groove is arranged outside the connecting seat, an extrusion block is fixedly connected inside the connecting seat, and a troweling shovel is fixedly connected to the lower surface of the mounting seat.

[0006] Further, the adjusting assembly comprises a connecting rod, and one end of the connecting rod is rotatably connected to one side of the outer wall of the fixed frame.

[0007] Further, one end of the connecting rod is fixedly connected with a fixed seat, and one end of the fixed seat is fixedly connected with a sliding rod.

[0008] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0009] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0010] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0011] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0012] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0013] Further, the slide rod is internally provided with a spring two, the slide rod inner wall is slidably connected with a steel ball, the slide rod outer wall is slidably connected with a telescopic rod, and the telescopic rod is externally provided with a limiting hole.

[0014] Further, the telescopic rod one end is fixedly connected with a handle.

[0015] The utility model has the advantages of the following:

[0016] 1. In the utility model, when installing the trowel, the mounting seat is slid downward along the connecting seat, the spring one is compressed by extruding the connecting block with the extruding block, when the bolt reaches the position of the clamping groove, the bolt is clamped into the clamping groove under the elastic force of the spring one, the fixing of the mounting seat and the connecting seat is completed, thereby fixing the trowel, realizing quick installation, and according to the same principle, the old trowel can be easily taken down and the new trowel can be installed by only pressing the connecting block to make the bolt out of the clamping groove, without complex tools, the replacement time is greatly shortened, and the construction efficiency is improved.

[0017] 2. In the utility model, when the telescopic rod is pulled, the steel ball slides into the slide rod under the extrusion of the telescopic rod outer wall and overcomes the elastic force of the spring two, and is out of the original limiting hole, after being adjusted to the appropriate position, the steel ball is clamped into the new limiting hole under the elastic force of the spring two, the length adjustment of the tool is realized, the convenience and the working efficiency of the operator are improved, different construction scene demands are adapted, the trowel angle is adjusted by rotating the handle to drive the connecting rod to rotate, thereby adjusting the trowel angle, the flexible rotation of the trowel can ensure that the concrete is uniform and flat, the problem of uneven surface caused by improper angle is reduced, the construction quality is improved, and the adaptability of the tool to different working conditions is enhanced. ACCURACY OF DRAWINGS

[0018] Figure 1 A three-dimensional structure schematic view of a stainless steel troweling tool for airport pavement concrete is provided for the utility model;

[0019] Figure 2 A mounting seat partial structure schematic view of a stainless steel troweling tool for airport pavement concrete is provided for the utility model;

[0020] Figure 3 A spring part structure schematic view of a stainless steel trowelling tool for airport pavement concrete is provided in the utility model.

[0021] Figure 4 A spring part structure schematic view of a stainless steel trowelling tool for airport pavement concrete is provided in the utility model.

[0022] Legend:

[0023] 1, trowelling shovel; 2, U-shaped groove; 3, mounting seat; 4, connecting seat; 5, clamping groove; 6, bolt; 7, spring one; 8, connecting block; 9, extrusion block; 10, fixing frame; 11, connecting rod; 12, fixing seat; 13, sliding rod; 14, telescopic rod; 15, handle; 16, limiting hole; 17, spring two; 18, steel ball. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Reference Figure 1 - Figure 3The utility model provides an embodiment: A kind of stainless steel trowelling tool for airport pavement concrete, including mounting seat 3, mounting seat 3 is used to connect trowelling shovel 1 and other components, mounting seat 3 outer wall is slidably connected with connecting seat 4, connecting seat 4 one end is fixedly connected with fixed frame 10, fixed frame 10 is metal frame structure, its shape and size are determined according to tool overall design requirement, for connecting adjustment assembly and providing support, mounting seat 3 inside is provided with installation component, fixed frame 10 one end is provided with adjustment assembly, installation component includes connecting block 8, connecting block 8 outer wall is slidably connected in mounting seat 3 interior, the connecting block 8 of mounting seat 3 lower surface is aligned with the extrusion block 9 in connecting seat 4 interior, then mounting seat 3 is slid down along the outer wall of connecting seat 4, connecting block 8 one end is provided with spring one 7, the outer wall of mounting seat 3 is fixedly connected with latch 6, connecting seat 4 outside is provided with clamping groove 5, clamping groove 5 is used to cooperate with latch 6 to realize the connection of connecting seat 4 and mounting seat 3, extrusion block 9 is fixedly connected in connecting seat 4 interior, extrusion block 9 in the interior of connecting seat 4 gradually extrudes connecting block 8 during sliding, connecting block 8 is slid along the track set in the cavity in mounting seat 3 interior, the spring one 7 set in one end of connecting block 8 is compressed, the trowelling shovel 1 of mounting seat 3 lower surface is fixedly connected, when mounting seat 3 is slid to certain position, the latch 6 fixedly connected on the outer wall of mounting seat 3 is clamped into the clamping groove 5 outside connecting seat 4 under the action of spring one 7 elasticity, connecting seat 3 and connecting seat 4 are firmly connected together, to complete the installation of trowelling shovel 1, adjustment assembly includes connecting rod 11, connecting rod 11 one end is rotatably connected on the outer wall one side of fixed frame 10, the outer wall of latch 6 is slidably connected in clamping groove 5 interior, connecting block 8 is slid down to make latch 6 from clamping groove 5 by overcoming the elasticity of spring one 7, the one end of spring one 7 is fixedly connected on the lower surface of connecting block 8, the other end of spring one 7 is fixedly connected in mounting seat 3 interior, trowelling shovel 1 interior is provided with U type groove 2, U type groove 2 is formed by stamping or welding process, its depth and width are designed according to actual demand, for collecting extra concrete.

[0026] Refer to Figure 1 And Figure 4The end of the connecting rod 11 is fixedly connected with a fixed seat 12, one end of the fixed seat 12 is fixedly connected with a sliding rod 13, the sliding rod 13 is a metal hollow rod, the inside of the sliding rod 13 is provided with a spring 17 and a steel ball 18, the inside of the sliding rod 13 is provided with the spring 17, the inner wall of the sliding rod 13 is slidably connected with the steel ball 18, which is used for cooperating with the limiting hole 16 to realize the locking and unlocking of the sliding rod 13 and the telescopic rod 14, the outer wall of the sliding rod 13 is slidably connected with the telescopic rod 14, holding the handle 15 and pulling the telescopic rod 14 outward, the telescopic rod 14 slides outward on the sliding track on the outer wall of the sliding rod 13, at this time, the steel ball 18 slidably connected with the inner wall of the sliding rod 13 slides to the inside of the sliding rod 13 under the extrusion of the outer wall of the telescopic rod 14, overcoming the elastic force of the spring 17, the steel ball 18 is out of the original limiting hole 16, the telescopic rod 14 is provided with the limiting hole 16 outside, after the telescopic rod 14 is adjusted to the appropriate position, the steel ball 18 is clamped into the limiting hole 16 in the new position under the elastic force of the spring 17, the telescopic rod 14 and the sliding rod 13 are fixed again, so as to realize the adjustment of the length of the tool, one end of the spring 17 is fixedly connected with the outer wall of the steel ball 18, the other end of the spring 17 is fixedly connected with the inside of the sliding rod 13, the outer wall of the steel ball 18 is slidably connected with the inside of the limiting hole 16, one end of the telescopic rod 14 is fixedly connected with the handle 15, by rotating the handle 15, the connecting rod 11 is driven to rotate around the rotating connection point, and then the angle of the trowel 1 is adjusted.

[0027] Working principle: when the device needs to be used, first, when the trowel 1 needs to be installed, the connecting block 8 on the lower surface of the mounting seat 3 is aligned with the extrusion block 9 inside the connecting seat 4, then the mounting seat 3 is slid downward along the outer wall of the connecting seat 4, in the sliding process, the extrusion block 9 inside the connecting seat 4 extrudes the connecting block 8, the connecting block 8 slides inside the mounting seat 3, the spring one 7 provided at one end of the connecting block 8 is compressed, when the mounting seat 3 slides to a certain position, the latch 6 fixedly connected to the outer wall of the mounting seat 3 is clamped into the clamping groove 5 outside the connecting seat 4 under the action of the elastic force of the spring one 7, thereby firmly connecting the mounting seat 3 and the connecting seat 4 together, thereby completing the installation of the trowel 1, when the trowel 1 needs to be replaced due to wear and tear, the operator pushes the connecting block 8 upward, so that the extrusion block 9 extrudes the connecting block 8 to slide downward, driving the latch 6 to come out of the clamping groove 5, at this time, the mounting seat 3 can be pulled out of the connecting seat 4 upward, thereby removing the worn trowel 1, then a new trowel 1 is installed on the lower surface of the mounting seat 3, and the above installation process is repeated, thereby completing the replacement operation of the trowel 1, when the length of the tool needs to be adjusted to adapt to the height of different constructors or operation requirements, the operator holds the handle 15 and pulls the telescopic rod 14, the telescopic rod 14 slides on the outer wall of the sliding rod 13, at this time, the steel ball 18 slides into the sliding rod 13 under the extrusion of the outer wall of the telescopic rod 14, overcoming the elastic force of the spring two 17, the steel ball 18 comes out of the original position of the limiting hole 16, the operator adjusts the length of the telescopic rod 14 according to the need, in the adjustment process, the spring two 17 always exerts an outward elastic force on the steel ball 18, when the telescopic rod 14 is adjusted to the appropriate position, the steel ball 18 is clamped into the limiting hole 16 in the new position under the action of the elastic force of the spring two 17, thereby fixing the telescopic rod 14 and the sliding rod 13 again, thereby realizing the length adjustment of the tool, the constructor holds the handle 15 according to the adjusted length of the tool and the operation habit of the constructor, places the trowel 1 on the airport pavement concrete surface, the constructor can rotate the handle 15 to drive the connecting rod 11 to rotate, thereby adjusting the angle of the trowel 1, flexibly adjusting the angle of the trowel 1, making the concrete surface more flat, then the constructor pushes or pulls the handle 15 to drive the trowel 1 to move on the concrete surface, the lower surface of the trowel 1 contacts with the concrete surface during the movement, scraping the excess part of the concrete surface, and making the concrete surface more smooth and flat, in the troweling process, the U-shaped groove 2 can collect the excess concrete, preventing the accumulation of concrete from affecting the troweling effect.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A stainless steel trowel tool for airport pavement concrete comprising a mounting seat (3), characterized in that: The outer wall of the mounting seat (3) is slidably connected with a connecting seat (4), one end of the connecting seat (4) is fixedly connected with a fixing frame (10), the inside of the mounting seat (3) is provided with a mounting assembly, one end of the fixing frame (10) is provided with an adjusting assembly; The mounting assembly comprises a connecting block (8), the outer wall of the connecting block (8) is slidably connected in the inside of the mounting seat (3), one end of the connecting block (8) is provided with a spring one (7), the outer wall of the mounting seat (3) is fixedly connected with a bolt (6), the outside of the connecting seat (4) is provided with a clamping groove (5), the inside of the connecting seat (4) is fixedly connected with an extrusion block (9), the lower surface of the mounting seat (3) is fixedly connected with a trowel (1).

2. A stainless steel trowel tool for airport pavement concrete according to claim 1, characterized in that: The adjusting assembly comprises a connecting rod (11), one end of the connecting rod (11) is rotatably connected on one side of the outer wall of the fixing frame (10).

3. A stainless steel trowel tool for airport pavement concrete according to claim 2, characterized in that: One end of the connecting rod (11) is fixedly connected with a fixing seat (12), one end of the fixing seat (12) is fixedly connected with a sliding rod (13).

4. A stainless steel trowel tool for airport pavement concrete according to claim 3, characterized in that: The inside of the sliding rod (13) is provided with a spring two (17), the inner wall of the sliding rod (13) is slidably connected with a steel ball (18), the outer wall of the sliding rod (13) is slidably connected with a telescopic rod (14), the outside of the telescopic rod (14) is provided with a limiting hole (16).

5. The stainless steel trowel tool for airport pavement concrete according to claim 1, characterized in that: The outer wall of the bolt (6) is slidably connected in the inside of the clamping groove (5).

6. A stainless steel trowel tool for airport pavement concrete according to claim 1, characterized in that: One end of the spring one (7) is fixedly connected with the lower surface of the connecting block (8), the other end of the spring one (7) is fixedly connected in the inside of the mounting seat (3).

7. A stainless steel trowel tool for airport pavement concrete according to claim 1, characterized in that: The inside of the trowel (1) is provided with a U-shaped groove (2).

8. A stainless steel trowel tool for airport pavement concrete according to claim 4, characterized in that: One end of the spring two (17) is fixedly connected with the outer wall of the steel ball (18), the other end of the spring two (17) is fixedly connected in the inside of the sliding rod (13).

9. A stainless steel trowel tool for airport pavement concrete according to claim 4, characterized in that: The outer wall of the steel ball (18) is slidably connected in the inside of the limiting hole (16).

10. A stainless steel trowel tool for airport pavement concrete according to claim 4, characterized in that: One end of the telescopic rod (14) is fixedly connected with a handle (15).