Cement trowelling device
By designing the swing arm and turntable structure on the cement smear device, and using the drive rod and motor drive to achieve large-area smoothing, the problems of small smear area and inability to remove traces in the existing device are solved, and the smoothing efficiency and quality are improved.
Patent Information
- Application Number
- CN202422615030.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing cement smearing device has a small area for walking once, and the traces pressed by the walking wheel on the cement surface cannot be completely erased, and the smoothing efficiency and quality are insufficient.
A cement smoothing device is designed, including a cart and swing arm. A rotating wheel is provided at the front end of the swing arm. The swing arm is driven to swing left and right through the driving rod and motor, and the turntable rotates to achieve large-area smoothing. The height of the turntable is adjusted through the cylinder and motor to adapt to the cement surface.
It improves the smoothing efficiency, increases the smoothing area for a walk, and can completely smooth out the traces pressed by the car, ensuring the smoothing quality.
Smart Images

Figure CN223281156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building construction, in particular to a cement leveling device. Background Art
[0002] During road construction, after concrete is laid, it becomes rough due to the presence of many materials in the concrete. Therefore, it needs to be smoothed to maintain a smooth surface. Manual smoothing is inefficient and labor-intensive, so mechanical smoothing is now commonly used.
[0003] There is an existing application number 202111579463.4, and the patent name is a cement leveling device for house construction, which includes a shell, movable wheels are provided at the four corners of the bottom surface of the shell, the shell is provided with cavity one and cavity two, cavity one is provided with a cement leveling mechanism, and cavity two is provided with a cement leveling mechanism; the cement leveling mechanism includes electric telescopic rod two, a mounting shell, a bracket, a disc, a connecting column, a connecting rod, a guide block, a movable plate and a pressure plate, the fixed end of the electric telescopic rod two is connected to the top wall of cavity two, the movable end is connected to the mounting shell, the top of the bracket is connected to the inner wall of the mounting shell, a driving motor is provided at the bottom, the output end of the driving motor is connected to the disc, a connecting column is provided at the eccentric part of the disc, a connecting rod is provided on the connecting column for rotation, a guide groove is provided in the guide block, a slidable movable plate is installed in the guide groove, the other end of the connecting rod is hinged to the top of the movable plate, and the bottom end of the movable plate is connected to the pressure plate. However, the area leveled by one walking in the above scheme is small, and the marks pressed by the walking wheels on the cement surface cannot be completely erased. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems and provide a cement smoothing device that can improve smoothing efficiency and ensure smoothing quality.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] A cement smoothing device comprises a trolley and a swing arm arranged on the trolley and swinging on the trolley. A turntable is provided at the front end of the swing arm and rotates at the front end of the swing arm for smoothing the cement surface.
[0007] Furthermore, the trolley is provided with a driving rod with one end rotatably connected to the trolley, and the outer end of the driving rod is connected to the swing arm through a connecting rod.
[0008] Furthermore, the trolley is provided with a first motor for driving the driving rod to rotate.
[0009] Furthermore, the front end of the swing arm is provided with a rotating rod and a vertical rod arranged in parallel up and down, the rear end of the rotating rod is rotatably connected to the front end of the swing arm, the outer end of the rotating rod is rotatably connected to the vertical rod, and the turntable is arranged on the vertical rod.
[0010] Furthermore, a cylinder is provided on the outer side of the swing arm to drive the rotating rod at the upper end to rotate.
[0011] Furthermore, a mounting bracket is provided at the bottom of the outer side surface of the vertical rod, and a second motor for driving the turntable to rotate is provided on the mounting bracket.
[0012] The beneficial effects of the utility model are:
[0013] 1. The utility model includes a trolley and a swing arm mounted on the trolley and swinging thereon. A turntable is provided at the front end of the swing arm and rotates thereat for smoothing the cement surface. As the trolley moves, the turntable rotates, and as the trolley moves, the swing arm continuously swings left and right, smoothing the cement surface. The swinging of the swing arm increases the smoothing area per pass, improving smoothing efficiency and completely smoothing out any marks left by the trolley. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0015] Figure 1 This is a schematic structural diagram of the utility model.
[0016] In the figure: trolley 1, swing arm 2, turntable 3, drive rod 4, connecting rod 5, first motor 6, rotating rod 7, vertical rod 8, cylinder 9, mounting frame 10, second motor 11. DETAILED DESCRIPTION
[0017] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will be combined with the drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.
[0018] like Figure 1As shown, a cement smoothing device includes a trolley 1 and a swing arm 2 disposed on the trolley 1 and swinging on the trolley 1. A turntable 3 is provided at the front end of the swing arm 2 and rotates at the front end of the swing arm 2 for smoothing the cement surface. When the trolley 1 moves, the turntable 3 rotates, and as the trolley 1 moves, the swing arm 2 continuously swings left and right, and the turntable 3 smoothes the cement surface. The swinging of the swing arm 2 can increase the smoothing area of each pass, improve the smoothing efficiency, and can completely smooth out the marks pressed by the trolley.
[0019] The trolley 1 is provided with a driving rod 4 at one end which is rotatably connected to the trolley 1. The outer end of the driving rod 4 is connected to the swing arm 2 through a connecting rod 5. One end of the connecting rod 5 is rotatably connected to the end of the driving rod 4, and the other end of the connecting rod 5 is rotatably connected to the swing arm 2. When the driving rod 4 rotates, the swing arm 2 swings continuously left and right under the action of the connecting rod 5.
[0020] The trolley 1 is provided with a first motor 6 for driving the driving rod 4 to rotate.
[0021] The front end of the swing arm 2 is provided with a rotating rod 7 and a vertical rod 8 arranged in parallel up and down. The rear end of the rotating rod 7 is rotatably connected to the front end of the swing arm 2, and the outer end of the rotating rod 7 is rotatably connected to the vertical rod 8. The turntable 3 is arranged on the vertical rod 8. The rotating rod 7, the vertical rod 8 and the outer side surface of the swing arm arranged in parallel up and down form a parallelogram structure. When the rotating rod 7 at the upper end rotates, the vertical rod 8 will keep moving vertically, thereby adjusting the height of the turntable. The turntable can contact the cement surface and smooth the cement surface.
[0022] A cylinder 9 is provided on the outside of the swing arm 2 to drive the upper end of the rotating rod 7 to rotate. The cylinder body end of the cylinder 9 is rotatably connected to one end of the outside of the swing arm 2, and the piston rod end of the cylinder 9 is rotatably connected to the middle position of the rotating rod 7.
[0023] A mounting bracket 10 is provided at the bottom of the outer side surface of the vertical rod 8 . The mounting bracket 10 is L-shaped when viewed from the side. A second motor 11 is provided on the mounting bracket 10 to drive the turntable 3 to rotate.
[0024] In the description of the present invention, it should be noted that the terms "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as a limitation on the present invention.
[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
Claims
1. A cement leveling device, comprising a trolley (1), characterized in that: It also includes a swing arm (2) arranged on the trolley (1) and swinging on the trolley (1), and a turntable (3) rotating at the front end of the swing arm (2) for smoothing the cement surface is provided at the front end of the swing arm (2).
2. A cement leveling device as claimed in claim 1, characterized in that: The trolley (1) is provided with a driving rod (4) having one end rotatably connected to the trolley (1), and an outer end of the driving rod (4) is connected to the swing arm (2) via a connecting rod (5).
3. A cement leveling device as claimed in claim 2, characterized in that: The trolley (1) is provided with a first motor (6) for driving the driving rod (4) to rotate.
4. A cement leveling device as claimed in claim 1, characterized in that: The front end of the swing arm (2) is provided with a rotating rod (7) and a vertical rod (8) arranged in parallel up and down, the rear end of the rotating rod (7) is rotatably connected to the front end of the swing arm (2), and the outer end of the rotating rod (7) is rotatably connected to the vertical rod (8), and the rotating disk (3) is arranged on the vertical rod (8).
5. A cement leveling device as claimed in claim 4, characterized in that: A cylinder (9) for driving the rotating rod (7) at the upper end to rotate is provided on the outer side of the swing arm (2).
6. A cement leveling device as claimed in claim 4, characterized in that: A mounting frame (10) is provided at the bottom of the outer side surface of the vertical rod (8), and a second motor (11) for driving the turntable (3) to rotate is provided on the mounting frame (10).
Citation Information
Patent Citations
Cement trowelling device for house construction
CN114352027A