Concrete trowelling device

By designing an electrically driven concrete leveling device, combined with high-frequency vibration and an adjustable auxiliary rod, the fatigue problem of manually leveling large areas of concrete is solved, and the leveling efficiency and operating convenience are improved.

CN223358725UActive Publication Date: 2025-09-19麻长胜
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Patent Information

Application Number
CN202422613052.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-19
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

When pouring concrete on a large area of ​​the ground, the existing manual leveling device is very tiring to operate for a long time by pure manpower, which affects the continuous efficiency of the concrete leveling work.

Method used

A concrete leveling device consisting of an electric telescopic pole, a rotating head and a trowel was designed. The trowel is automatically scraped on the ground by an electric drive, and is equipped with a high-frequency vibrator and a counterweight to improve the leveling efficiency and stability. The auxiliary pole can be adjusted in height to adapt to the height of workers of different heights.

Benefits of technology

It reduces manpower consumption, improves the efficiency of concrete leveling, can quickly level large areas of concrete surfaces, reduces the transmission of vibration to the hands, and facilitates the replacement of worn parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of civil engineering, and particularly relates to a concrete trowelling device which comprises a main body rod, a battery arranged at one end of the main body rod, a controller arranged on one side of the battery, a grip arranged on the upper side of the battery, and a movable rod inserted into one end, away from the battery, of the main body rod. The lower side of the main body rod is provided with a sliding groove at the plugging part of the battery. The output end of an electric telescopic rod drives a movable rod to move repeatedly along a sliding groove through a connecting block, the movable rod drives a patter to repeatedly scrape the ground through a first rotating head, when the patter moves repeatedly, a battery rotates repeatedly with an auxiliary rod through a second rotating head, the patter makes contact with the ground all the time, and the auxiliary rod is kept vertical through a sliding base plate to support the battery. A worker only needs to hold the grip by hand to keep stable and push the device to advance, the plastering plate can automatically and repeatedly move to scrape and level concrete, the operation of the device is more labor-saving and convenient, and the continuous working efficiency of concrete plastering can be improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of civil engineering, and particularly relates to a concrete leveling device. Background Art

[0002] Civil engineering refers to civil construction engineering, which is a general term for civil engineering and construction engineering. It is an engineering discipline that builds various facilities and places for human life, production, protection and other activities. It covers the construction of buildings, structures and engineering objects within the facilities and places within the scope of various projects such as houses, roads, railways, airports, bridges, water conservancy, ports, tunnels, water supply and drainage, and protection, etc., on the ground, underground, on land, on water and underwater. In the construction of civil engineering projects, concrete is often used to cast the ground. When leveling the ground, a leveling device is often used. The more common manual leveling device currently is a large trowel, which is manually pushed to repeatedly scrape and level the concrete cast ground along the way. However, the current large trowel is purely manually operated, and the ground concrete pouring area is generally large. Long-term pure manual operation is tiring, which is not conducive to the sustained efficiency of concrete leveling work. Utility Model Content

[0003] In view of the above problems, the purpose of the present utility model is to provide a concrete leveling device to solve the problem that in civil engineering construction, concrete is often used to pour the ground. When the ground is leveled, a leveling device is often used. Currently, the more common manual leveling device is a large trowel, which is manually pushed to repeatedly scrape and level the concrete poured ground along the way. However, the current large trowel is purely manpower-operated, and the ground concrete pouring area is generally large. Long-term pure manual operation is relatively tiring, which is not conducive to the continuous efficiency of the concrete leveling work.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a concrete leveling device comprises a main rod, one end of the main rod is provided with a battery, one side of the battery is provided with a controller, a handle is provided on the upper side of the battery, a movable rod is plugged into the end of the main rod away from the battery, a sliding groove is provided on the lower side of the main rod at the plug-in part of the battery, a connecting block is slidably provided on the inner side of the sliding groove, the connecting block is fixedly connected to the movable rod, an electric telescopic rod is provided on the lower side of the main rod, the output end of the electric telescopic rod is fixedly connected to the connecting block, the end of the movable rod away from the main rod is rotatably connected with a rotating head 1, a screed is provided on the lower side of the rotating head 1, a rotating head 2 is fixedly provided on the lower side of the battery, an auxiliary rod is rotatably provided on the lower side of the rotating head 2, and a sliding seat plate is provided at the lower end of the auxiliary rod.

[0005] The beneficial effects of the utility model are as follows: the output end of the electric telescopic rod drives the movable rod to move repeatedly along the sliding groove through the connecting block, and the movable rod drives the trowel to repeatedly scrape the ground through the rotating head 1. When the trowel moves repeatedly, the battery rotates repeatedly between the rotating head 2 and the auxiliary rod, so that the trowel always contacts the ground, and the auxiliary rod is kept vertically to support the battery through the sliding seat plate. The worker only needs to hold the handle to keep it stable and push the device forward. The trowel will automatically move repeatedly to scrape and smooth the concrete. The operation of the device will be more labor-saving and convenient, which is conducive to improving the continuous efficiency of the concrete smoothing work.

[0006] To facilitate leveling of the concrete;

[0007] As a further improvement of the above technical solution: a connecting frame is provided on the lower side of the rotating head 1, the connecting frame is fixedly provided on the upper side of the wiping board, and a high-frequency vibrator is provided on the inner side of the connecting frame.

[0008] The beneficial effect of this improvement is that a high-frequency vibrator is set up, which helps to quickly drive the concrete to vibrate and deposit by driving the shovel to vibrate at high frequency, so that the gaps between the concrete are quickly reduced, thereby facilitating the leveling of the concrete.

[0009] In order to keep the screed plate under stable pressure on the ground;

[0010] As a further improvement of the above technical solution: screws are arranged in parallel on both sides of the upper side of the wiping plate and the connecting frame, counterweight blocks are sleeved on the outer side of the screws, and nuts are arranged on the upper ends of the screws through the counterweight blocks.

[0011] The beneficial effect of this improvement is that a counterweight block is provided to increase the weight above the screed, so that the screed maintains a stable pressure on the ground without manual pressure.

[0012] To avoid lifting the concrete at the edges when scraping;

[0013] As a further improvement of the above technical solution: both sides of the wiper are upwardly curved surfaces.

[0014] The beneficial effect of this improvement is to prevent the edge from lifting concrete when scraping.

[0015] To facilitate replacement after wear;

[0016] As a further improvement of the above technical solution: a disassembly plate is fitted on the bottom of the wiping plate, and the lower end of the screw penetrates the wiping plate to the lower side and is fixedly connected to the disassembly plate.

[0017] The beneficial effect of this improvement is that the disassembly plate is set as the smoothing contact surface of the bottom. When it is worn out after long-term use, the nut can be directly unscrewed and the screw can be pulled out, which facilitates the replacement of the disassembly plate.

[0018] In order to reduce the transmission of vibration to human hands;

[0019] As a further improvement of the above technical solution: the handle includes an inner rod, a rubber ring and a rubber sleeve, the rubber sleeve is sleeved on the outer side of the inner rod, and the rubber ring is equidistantly arranged between the inner rod and the rubber sleeve.

[0020] The beneficial effect of this improvement is that it facilitates reducing the transmission of vibration to human hands.

[0021] In order to facilitate the adjustment of the overall height of the auxiliary rod according to the height of different users;

[0022] As a further improvement of the above technical solution: the auxiliary rod includes an extension rod, a bottom rod and a knob, the upper end of the extension rod is rotatably connected to the rotating head 2, the lower end of the extension rod is plugged into the bottom rod, the lower end of the bottom rod is fixedly connected to the slide plate, and a knob is provided on the upper side thread of the side of the bottom rod, and the knob thread passes through the bottom rod and contacts with the extension rod.

[0023] The beneficial effect of this improvement is that the extension rod can be adjusted up and down by turning the knob, so that the overall height of the auxiliary rod can be adjusted according to the height of different users.

[0024] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of the utility model;

[0026] Figure 2 This is a schematic structural diagram of the wiper in the utility model;

[0027] Figure 3 This is a schematic diagram of the connection structure of the auxiliary rod in the utility model;

[0028] Figure 4 This is a partial schematic diagram of the connection structure of the main rod in the utility model;

[0029] Figure 5 This is a side structural cross-sectional view of the handle of the present invention;

[0030] In the figure: 1. Main rod; 2. Battery; 3. Controller; 4. Handle; 41. Inner rod; 42. Rubber ring; 43. Rubber sleeve; 5. Sliding groove; 6. Movable rod; 7. Connecting block; 8. Electric telescopic rod; 9. Rotating head 1; 10. Connecting frame; 11. High-frequency vibrator; 12. Wiping plate; 13. Screw; 14. Counterweight; 15. Nut; 16. Disassembly plate; 17. Rotating head 2; 18. Extension rod; 19. Bottom rod; 20. Knob; 21. Sliding plate. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the scope of protection of the present invention.

[0032] like Figure 1 — Figure 5As shown: a concrete leveling device, comprising a main rod 1, one end of the main rod 1 is provided with a battery 2, one side of the battery 2 is provided with a controller 3, the upper side of the battery 2 is provided with a handle 4, the end of the main rod 1 away from the battery 2 is plugged with a movable rod 6, the lower side of the main rod 1 is provided with a sliding groove 5 at the plug-in part of the battery 2, the inner side of the sliding groove 5 is slidably provided with a connecting block 7, the connecting block 7 is fixedly connected to the movable rod 6, the lower side of the main rod 1 is provided with an electric telescopic rod 8, the output end of the electric telescopic rod 8 is fixedly connected to the connecting block 7, the end of the movable rod 6 away from the main rod 1 is rotatably connected with a rotating head 9, the lower side of the rotating head 9 is provided with a trowel 12, the lower side of the battery 2 is fixedly provided with a rotating head 2 17, the lower side of the rotating head 2 17 is rotatably provided with an auxiliary rod, the auxiliary The lower end of the rod is provided with a slide plate 21. The output end of the electric telescopic rod 8 drives the movable rod 6 to move repeatedly along the sliding groove 5 through the connecting block 7. The movable rod 6 drives the squeegee 12 to repeatedly scrape the ground through the rotating head 9. When the squeegee 12 moves repeatedly, the battery 2 rotates repeatedly between the rotating head 17 and the auxiliary rod, so that the squeegee 12 always contacts the ground. The auxiliary rod maintains vertical support for the battery 2 through the slide plate 21. The worker only needs to hold the handle 4 to keep it stable and push the device forward. The squeegee 12 will automatically move repeatedly to scrape and smooth the concrete. The operation device will be more labor-saving and convenient, which is conducive to improving the continuous efficiency of concrete smoothing work. The lower side of the rotating head 9 is provided with a connecting frame 10. The connecting frame 10 is fixedly arranged on the upper side of the squeegee 12. The inner side of the connecting frame 10 is provided with a high-frequency vibrator 11. The high-frequency vibrator 11 is provided.The high-frequency vibrator 11 drives the trowel 12 to vibrate at a high frequency, which helps to quickly drive the concrete vibration deposition, so that the gaps between the concrete are quickly reduced, thereby facilitating the leveling of the concrete. The upper side of the trowel 12 is provided with screws 13 in parallel on both sides of the connecting frame 10, and the outer side of the screw 13 is sleeved with a counterweight 14. The upper end of the screw 13 passes through the counterweight 14 and is threaded with a nut 15. The counterweight 14 is provided to increase the upper pressure of the trowel 12 so that the trowel 12 maintains a stable pressure on the ground without human pressure. The two sides of the trowel 12 are upwardly curved surfaces to avoid the edges from lifting concrete when scraping. The bottom of the trowel 12 is fitted with a disassembly plate 16. The lower end of the screw 13 passes through the trowel 12 to the lower side and is fixedly connected to the disassembly plate 16. The disassembly plate 16 is provided as the leveling contact surface at the bottom, which can be used for a long time. When the handle 4 is worn, the nut 15 can be directly unscrewed and the screw 13 can be pulled out, which is convenient for replacing the disassembly plate 16. The handle 4 includes an inner rod 41, a rubber ring 42 and a rubber sleeve 43. The rubber sleeve 43 is sleeved on the outer side of the inner rod 41. Rubber rings 42 are equidistantly arranged between the inner rod 41 and the rubber sleeve 43 to reduce the vibration transmitted to the human hand. The auxiliary rod includes an extension rod 18, a bottom rod 19 and a knob 20. The upper end of the extension rod 18 is rotatably connected to the rotating head 17, the lower end of the extension rod 18 is plugged into the bottom rod 19, and the lower end of the bottom rod 19 is fixedly connected to the slide plate 21. The upper side of the side of the bottom rod 19 is threaded with a knob 20. The knob 20 thread passes through the bottom rod 19 and contacts the extension rod 18. By turning the knob 20, the extension rod 18 is adjusted up and down, which is convenient for adjusting the overall height of the auxiliary rod according to the height of different users.

[0033] The working principle and use process of this utility model:

[0034] When in use, place the trowel 12 and the sliding seat 21 on the concrete to be smoothed, then hold the handle 4, control the electric telescopic rod 8 to start through the controller 3, and the output end of the electric telescopic rod 8 drives the movable rod 6 to move repeatedly along the sliding groove 5 through the connecting block 7, and the movable rod 6 drives the trowel 12 to repeatedly scrape the ground through the rotating head 9. When the trowel 12 moves repeatedly, the battery 2 rotates repeatedly between the rotating head 17 and the auxiliary rod, so that the trowel 12 always contacts the ground, and the auxiliary rod maintains vertical support for the battery 2 through the sliding seat 21. The worker only needs to hold the handle Just keep handle 4 stable and push the device forward, the screed 12 will automatically move repeatedly to scrape and smooth the concrete, the operation of the device will be more labor-saving and convenient, which is conducive to improving the continuous efficiency of concrete smoothing. In addition, when in use, a connecting frame 10 is provided on the lower side of the rotating head 9, and the connecting frame 10 is fixedly arranged on the upper side of the screed 12. A high-frequency vibrator 11 is provided on the inner side of the connecting frame 10. The high-frequency vibrator 11 is provided. The high-frequency vibrator 11 drives the screed 12 to vibrate at a high frequency, which helps to quickly drive the concrete vibration deposition, so that the gaps between the concrete are quickly reduced. Small, so that it is easy to level the concrete. In addition, when in use, the upper side of the screed 12 is provided with screws 13 in parallel on both sides of the connecting frame 10, and the outer side of the screw 13 is provided with a counterweight 14. The upper end of the controller 3 passes through the counterweight 14 and is provided with a nut 15 threaded thereon. The counterweight 14 is provided to increase the upper pressure of the screed 12 so that the screed 12 maintains a stable pressure on the ground without human pressure. In addition, when in use, the two sides of the screed 12 are upwardly curved surfaces to avoid the edges from bringing up concrete when scraping. In addition, when in use, the bottom of the screed 12 A disassembly plate 16 is provided on the top of the inner rod 41, and the lower end of the screw 13 passes through the wiping plate 12 to the lower side and is fixedly connected to the disassembly plate 16. The disassembly plate 16 is provided as the smoothing contact surface of the bottom. When it is worn out after long-term use, the nut 15 can be directly unscrewed and the screw 13 can be pulled out to facilitate the replacement of the disassembly plate 16. In addition, when in use, a rubber ring 42 and a rubber sleeve 43 are provided on the outside of the inner rod 41 to facilitate the reduction of vibration transmission to the human hand. In addition, when in use, the knob 20 is turned to adjust the extension rod 18 up and down to facilitate the adjustment of the overall height of the auxiliary rod according to the height of different users.

[0035] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0036] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation method of the present invention. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principles of the present invention, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the scope of protection of the present invention.

Claims

1. Concrete leveling device, characterized by: The invention comprises a main body rod (1), a battery (2) is provided at one end of the main body rod (1), a controller (3) is provided on one side of the battery (2), a handle (4) is provided on the upper side of the battery (2), a movable rod (6) is provided on the end of the main body rod (1) away from the battery (2), a sliding groove (5) is provided on the lower side of the main body rod (1) at the insertion part of the battery (2), a connecting block (7) is provided on the inner side of the sliding groove (5), and the connecting block (7) is fixed to the movable rod (6). The main body rod (1) is connected to the main body rod (1). An electric telescopic rod (8) is provided on the lower side of the main body rod (1). The output end of the electric telescopic rod (8) is fixedly connected to the connecting block (7). The end of the movable rod (6) away from the main body rod (1) is rotatably connected to a rotating head (9). A wiper plate (12) is provided on the lower side of the rotating head (9). A rotating head (17) is fixedly provided on the lower side of the battery (2). An auxiliary rod is rotatably provided on the lower side of the rotating head (17). A slide plate (21) is provided on the lower end of the auxiliary rod.

2. The concrete leveling device according to claim 1, characterized in that: A connecting frame (10) is provided on the lower side of the rotating head (9), the connecting frame (10) is fixedly provided on the upper side of the wiping plate (12), and a high-frequency vibrator (11) is provided on the inner side of the connecting frame (10).

3. The concrete leveling device according to claim 1, characterized in that: The upper side of the wiper plate (12) is provided with screw rods (13) on both sides of the connecting frame (10), and the outer side of the screw rods (13) is sleeved with a counterweight block (14), and the upper end of the screw rods (13) is threadedly provided with a nut (15) passing through the counterweight block (14).

4. The concrete leveling device according to claim 1, characterized in that: Both sides of the wiper plate (12) are upwardly curved surfaces.

5. The concrete leveling device according to claim 3, characterized in that: The bottom of the wipe plate (12) is fitted with a disassembly plate (16), and the lower end of the screw rod (13) passes through the wipe plate (12) to the lower side and is fixedly connected to the disassembly plate (16).

6. The concrete leveling device according to claim 1, characterized in that: The handle (4) comprises an inner rod (41), a rubber ring (42) and a rubber sleeve (43); the rubber sleeve (43) is sleeved on the outer side of the inner rod (41); and the rubber ring (42) is equidistantly arranged between the inner rod (41) and the rubber sleeve (43).

7. The concrete leveling device according to claim 1, characterized in that: The auxiliary rod comprises an extension rod (18), a bottom rod (19) and a knob (20); the upper end of the extension rod (18) is rotatably connected to the second rotating head (17); the lower end of the extension rod (18) is plugged into the bottom rod (19); the lower end of the bottom rod (19) is fixedly connected to the slide plate (21); a knob (20) is provided on the upper side of the side of the bottom rod (19) through a thread; the knob (20) is threaded through the bottom rod (19) and contacts the extension rod (18).