Concrete troweling device

By using a device that drives the finishing roller with transverse and longitudinal tracks on the concrete surface, the problem of uneven surface of the invert arch layer is solved, achieving efficient, smooth and flat finish, which is suitable for finishing the invert arch layer in tunnel construction.

CN113898377BActive Publication Date: 2026-05-22HUNAN WUXIN MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN WUXIN MACHINERY
Filing Date
2020-06-22
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

In existing technologies, air bubbles and pits are easily formed on the surface of the invert arch layer during construction, affecting the appearance and lifespan of the project. Furthermore, the sliding formwork cannot guarantee smoothness, especially as the pits spread under the scouring of water.

Method used

A concrete finishing construction device with transverse and longitudinal tracks is used. The finishing roller is driven by a moving seat to cover the entire concrete surface. Multiple finishing rollers are used to roll and smooth the concrete surface. The finishing rollers can be arched or cantilevered, and the axis can be arranged longitudinally or transversely.

Benefits of technology

It achieves a smooth and flat concrete surface, improves construction efficiency and safety, reduces the impact of unevenness, and is suitable for complex environments such as water diversion culverts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a concrete troweling construction device, which comprises a transverse track, a first moving base capable of moving along the transverse track, a longitudinal track arranged on the first moving base, and a second moving base arranged on the longitudinal track, wherein a troweling roller is arranged on the second moving base. The application has the advantages of simple structure, reliability, convenient use, high construction efficiency and the like.
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Description

Technical Field

[0001] This invention relates to concrete construction equipment, and more particularly to a concrete plastering construction device. Background Technology

[0002] In recent years, with the continuous development of tunnel construction technology in my country, new understandings have emerged regarding the requirements for invert construction in order to effectively improve the stability and durability of the invert structure. The formwork for invert construction has evolved from simple single-piece small formwork to integral low-sidewall invert formwork driven by trestle bridges, and further optimized to full-width invert formwork covering the entire invert cross-section. Using full-width invert formwork for the tunnel invert layer increases formwork costs and further compresses the construction space. During pouring, the invert layer is below the formwork, making full vibration impossible. In practical construction, air bubbles easily form on the final invert concrete surface. The presence of full-width invert formwork also prevents proper finishing and timely secondary cleaning of the invert layer surface. These air bubbles affect the appearance of the invert layer and also pose certain safety risks. Therefore, existing technology proposes sliding invert formwork, also known as drag formwork. The invert formwork is divided into left and right parts and equipped with arc-shaped tracks identical to the shape of the invert surface. The left and right parts of the formwork can slide left and right along the arc-shaped tracks. Sliding formwork overcomes the above defects to some extent, but it still cannot guarantee the smoothness of the invert arch surface. Especially for water diversion culverts, the continuous scouring action of water flow will produce pits of various sizes, which will spread rapidly and seriously affect the service life of the project. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a concrete plastering construction device that is simple in structure, reliable, easy to use and has high construction efficiency.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0005] A concrete plastering construction device includes a transverse track, a first movable seat that can move along the transverse track, a longitudinal track disposed on the first movable seat, and a second movable seat disposed on the longitudinal track, wherein a plastering roller is disposed on the second movable seat.

[0006] As a further improvement to the above technical solution: the smearing roller is provided with multiple rollers along the length direction of the transverse track.

[0007] As a further improvement to the above technical solution: the smearing roller is provided with multiple rollers along the length direction of the longitudinal track.

[0008] As a further improvement to the above technical solution: the finishing roller includes a rotating body, a top-arched roller, and / or a cantilevered roller. The top-arched roller includes a rotating body and multiple top-arched pieces arranged along the circumference of the rotating body. One end of the top-arched piece is fixedly connected to the rotating body, and the other end overlaps with the rotating body, or both ends of the top-arched piece are fixedly connected to the rotating body. The cantilevered roller includes a rotating body and multiple arc-shaped cantilevered pieces arranged along the circumference of the rotating body. One end of the cantilevered piece is fixedly connected to the rotating body.

[0009] As a further improvement to the above technical solution: the axis of the troweling roller is arranged longitudinally.

[0010] As a further improvement to the above technical solution: the axis of the troweling roller is arranged in a transverse direction.

[0011] As a further improvement to the above technical solution: the generatrix of the smearing roller is an arc.

[0012] As a further improvement to the above technical solution, it also includes an inverted arch sliding form, wherein the transverse track is an arc-shaped track, and the inverted arch sliding form is movably disposed on the arc-shaped track.

[0013] As a further improvement to the above technical solution: the first movable seat and the inverted arch sliding form are an integral structure.

[0014] Compared with the prior art, the advantages of the present invention are as follows: The concrete plastering construction device disclosed in the present invention has a first movable seat that can move along a transverse track, thereby driving the longitudinal track, the second movable seat, and the plastering roller to move along the transverse track. The second movable seat can move along a longitudinal track, thereby driving the plastering roller on it to move along the longitudinal track. Therefore, the movement range of the plastering roller can cover the entire concrete surface. The structure is simple and reliable. The rolling of the plastering roller makes the uneven concrete surface smooth and flat, and it is convenient to use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of the first embodiment of the concrete plastering construction device of the present invention.

[0016] Figure 2 This is a top view of the first embodiment of the concrete plastering construction device of the present invention.

[0017] Figure 3 This is a schematic diagram of the main structure of the second embodiment of the concrete plastering construction device of the present invention.

[0018] Figure 4 This is a top view schematic diagram of the second embodiment of the concrete plastering construction device of the present invention.

[0019] Figure 5This is a schematic diagram of the front view structure of the smearing roller in the first and second embodiments of the present invention.

[0020] Figure 6 This is a front view structural schematic diagram of the third embodiment of the concrete plastering construction device of the present invention.

[0021] Figure 7 This is a top view of the third embodiment of the concrete plastering construction device of the present invention.

[0022] The labels in the diagram represent: 1. Longitudinal track; 2. Transverse track; 21. Arc track; 3. First moving seat; 4. Finishing roller; 41. Cantilever piece; 42. Top arch piece; 5. Second moving seat; 6. Inverted arch sliding formwork. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1 and Figure 2 As shown, the concrete plastering construction device of this embodiment includes a transverse track 2, a first movable seat 3 movable along the transverse track 2, a longitudinal track 1 mounted on the first movable seat 3, and a second movable seat 5 mounted on the longitudinal track 1. A plastering roller 4 is mounted on the second movable seat 5. A drive wheel can be installed on the first movable seat 3, allowing it to move actively along the transverse track 2. Alternatively, a drive mechanism can be installed on the transverse track 2, driving the first movable seat 3 to move along the transverse track 2. The drive mechanism can be, for example, a sprocket and chain with a corresponding transmission sprocket mounted on the first movable seat 3, or a hydraulic cylinder, etc. Similarly, the second movable seat 5 can move actively along the longitudinal track 1, or a drive mechanism can be installed on the longitudinal track 1, driving the second movable seat 5 to move along the longitudinal track 1. The plastering roller 4 can be driven by a rotational force to achieve active rotation, or it can passively rotate after contacting the concrete surface during movement.

[0025] This concrete plastering construction device has a first movable seat 3 that can move along the transverse track 2, thereby driving the longitudinal track 1, the second movable seat 5, and the plastering roller 4 to move along the transverse track 2. The second movable seat 5 can move along the longitudinal track 1, thereby driving the plastering roller 4 on it to move along the longitudinal track 1. Therefore, the movement range of the plastering roller 4 can cover the entire concrete surface. The structure is simple and reliable. The rolling of the plastering roller 4 makes the uneven concrete surface smooth and flat, and it is easy to use.

[0026] See details Figure 3 and Figure 4As a preferred technical solution, multiple finishing rollers 4 are provided along the length of the transverse track 2 and along the length of the longitudinal track 1. During the longitudinal and transverse movement of the finishing rollers 4, multiple finishing rollers 4 can perform finishing successively, which helps to ensure the smoothness of the concrete surface after finishing.

[0027] See details Figure 5 The finishing roller 4 can consist only of a rotating body, a top-arched roller, and / or a cantilevered roller. The top-arched roller includes a rotating body and multiple top-arched plates 42 arranged along the circumference of the rotating body. One end of each top-arched plate 42 is fixedly connected to the rotating body, and the other end overlaps with the rotating body; alternatively, both ends of each top-arched plate may be fixedly connected to the rotating body. The cantilevered roller includes a rotating body and multiple arc-shaped cantilevered plates 41 arranged along the circumference of the rotating body. One end of each cantilevered plate 41 is fixedly connected to the rotating body. During rolling, the top-arched roller and the cantilevered roller facilitate passing over and pressing down protruding aggregates on the concrete surface, preventing the protruding aggregates from moving and creating indentations on the concrete surface.

[0028] As a preferred technical solution, in this embodiment, the axis of the smearing roller 4 is arranged longitudinally, that is, the smearing roller 4 completes the smearing when it rolls laterally, and moves to the next smearing position when it moves longitudinally.

[0029] See Figure 6 and Figure 7 Of course, in other embodiments, the axis of the finishing roller 4 is arranged in the transverse direction. That is, the finishing roller 4 completes the finishing when it rolls in the longitudinal direction and moves to the next finishing position when it moves in the transverse direction. In this case, as a preferred technical solution, the generatrix of the finishing roller 4 is arc-shaped so as to match the concrete surface of the invert arch and obtain a smooth and continuous arc surface after the construction is completed.

[0030] In this embodiment, the concrete plastering construction device also includes an inverted arch slipform 6, and the transverse track 2 is an arc-shaped track 21. The inverted arch slipform 6 is movably mounted on the arc-shaped track 21, allowing the device to be used for plastering the concrete surface of the inverted arch. Multiple plastering rollers 4 are preferably distributed on both sides of the inverted arch slipform 6 along the transverse direction. As a preferred technical solution, the first movable seat 3 and the inverted arch slipform 6 are an integral structure, that is, the longitudinal track 1 is directly connected to the inverted arch slipform 6, or the longitudinal track 1 is directly installed on the inverted arch slipform 6. The inverted arch slipform 6 drives the longitudinal track 1 and the plastering rollers 4 to move along the transverse track 2, which can fully utilize the existing inverted arch slipform 6 and transverse track 2, resulting in a simple structure and low improvement cost. Of course, in other embodiments, a second movable seat 5 can also be set separately, with the second movable seat 5 and the inverted arch slipform 6 moving along the transverse track 2 respectively, achieving the same purpose. The disadvantage is that there are more parts, the structure is more complex, and the cost is higher.

[0031] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, should fall within the protection scope of the present invention.

Claims

1. A concrete plastering construction device, characterized in that: It includes a transverse track (2), a first movable seat (3) that can move along the transverse track (2), a longitudinal track (1) provided on the first movable seat (3), and a second movable seat (5) provided on the longitudinal track (1), wherein the second movable seat (5) is provided with a smearing roller (4); The finishing roller (4) includes a top arch plate roller, which includes a rotating body and multiple top arch plates (42) arranged along the circumference of the rotating body. One end of the top arch plate (42) is fixedly connected to the rotating body, and the other end overlaps with the rotating body. It is used to pass over the protruding aggregate on the concrete surface during the rolling process and press it down to avoid moving the protruding aggregate and causing indentations on the concrete surface. It also includes an inverted arch sliding mold (6), the transverse track (2) is an arc track (21), the inverted arch sliding mold (6) is movably mounted on the arc track (21), and the first movable seat (3) and the inverted arch sliding mold (6) are an integral structure.

2. The concrete plastering construction device according to claim 1, characterized in that: Along the length of the transverse track (2), the smearing roller (4) is provided with multiple rollers.

3. The concrete plastering construction device according to claim 1, characterized in that: Along the length of the longitudinal track (1), the smearing roller (4) is provided with multiple rollers.

4. The concrete plastering construction device according to any one of claims 1 to 3, characterized in that: The axis of the grouting roller (4) is arranged longitudinally.

5. The concrete plastering construction device according to any one of claims 1 to 3, characterized in that: The axis of the grouting roller (4) is arranged in the transverse direction.

6. The concrete plastering construction device according to claim 5, characterized in that: The generatrix of the smearing roller (4) is an arc.