Trench concrete leveling device
By combining the spreading mechanism and the rolling mechanism, the problem of uneven concrete pouring in small ditches was solved, achieving uniform spreading and secondary rolling of concrete, thus improving construction quality.
Patent Information
- Application Number
- CN202520478407.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
When constructing small ditches, uneven pre-pouring of concrete leads to poor leveling results, and concrete may overflow from above the rollers, affecting construction quality. Existing devices are unable to effectively solve this problem.
A trench concrete leveling device was designed, which includes a pushing mechanism and a rolling mechanism. The pushing mechanism pre-pushes the concrete through a steering rod, a turntable, a push plate, and a worm gear structure driven by a motor. The rolling mechanism performs secondary rolling and leveling through symmetrically arranged rollers one and two.
This process achieved uniform spreading and secondary rolling of the concrete, improved construction quality, prevented concrete overflow, and ensured a smooth bottom for the ditch.
Smart Images

Figure CN223907446U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water conservancy engineering technology, specifically to a ditch concrete leveling device. Background Technology
[0002] Water conservancy projects are engineering projects built to control and regulate surface water and groundwater in nature to achieve the purpose of eliminating harm and promoting benefits. They are also called water projects. Water is an essential and precious resource for human production and life, but its natural state does not fully meet human needs. Only by building water conservancy projects can we control water flow, prevent floods, and regulate and distribute water to meet the needs of people's life and production for water resources.
[0003] One aspect of water conservancy projects is the construction of ditches. Generally, ditches are constructed using ditches-building machines. Large leveling devices can be used normally in this case. However, when constructing small ditches, the pre-pouring of concrete is often uneven, resulting in poor leveling. In some cases, the concrete may even rise above the rollers and overflow onto the surface of the rolled concrete, seriously affecting the construction quality. Furthermore, at present, in order to ensure that the two ends of the rollers reach both ends of the ditch as much as possible, a symmetrical arrangement of rollers is adopted, resulting in poor leveling of the concrete in the middle of the bottom of the ditch. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the defects of the above-mentioned technology and provide a ditch concrete leveling device.
[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is a ditch concrete leveling device: including a frame, a pushing and leveling mechanism located at the front of the frame, and a rolling and leveling mechanism located at the rear of the frame;
[0006] The smoothing mechanism includes a steering rod rotatably connected to the frame, a turntable fixed to the lower end of the steering rod, a connecting rod fixed to the turntable, a push plate fixed to the connecting rod, a worm gear fixed to the upper end of the steering rod, a worm meshing with the worm gear, a motor mounting base fixed to the frame, and a motor fixedly mounted on the motor mounting base, wherein the main shaft of the motor is connected to the worm.
[0007] The rolling mechanism includes a support rod 1 fixed to the frame, two rollers 1 located below the support rod 1, a support rod 2 fixed to the support rod 1, a U-shaped seat fixed to the lower end of the support rod 2, and rollers 2 rotatably connected to the U-shaped seat. The rollers 1 are symmetrically rotatably connected to both sides of the support rod 1. The support rod 2 is L-shaped, and the rollers 1 and 2 are arranged parallel to each other.
[0008] Furthermore, the front end of the frame is provided with a connecting seat for connecting to the traction machine head.
[0009] Further, the push plate is an arc-shaped plate, and the convex direction of the arc-shaped plate is the front of the rack.
[0010] Further, the rear part of the rack is provided with a counterweight box.
[0011] Compared with the prior art, the utility model has the advantages that: the utility model sets up the uniform pushing mechanism, can push the concrete uniformly in advance before rolling, avoids that the concrete overflows from the top of the roller to the rolled concrete surface, and through the cooperation of the roller one and the roller two, the four corners of the rolled surface can be avoided, and twice rolling can be realized, so that the construction quality is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a structure schematic of a ditch concrete leveling device of the utility model Figure 1 .
[0013] Figure 2 is a structure schematic of a ditch concrete leveling device of the utility model Figure 2 .
[0014] As shown in the figure:
[0015] 1, rack, 2, steering rod, 3, rotating disc, 4, connecting rod, 5, push plate, 6, worm wheel, 7, worm, 8, motor mounting seat, 9, motor, 10, support rod one, 11, roller one, 12, support rod two, 13, U-shaped seat, 14, roller two, 15, connecting seat, 16, counterweight box, 17, push strip. DETAILED DESCRIPTION
[0016] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0017] Embodiment 1, in combination with the drawings Figures 1-2 A ditch concrete leveling device, comprising a rack 1, a uniform pushing mechanism arranged at the front part of the rack 1, and a rolling mechanism arranged at the rear part of the rack 1.
[0018] The uniform pushing mechanism comprises a steering rod 2 rotatably connected with the rack 1, a rotating disc 3 fixedly connected with the lower end of the steering rod 2, a connecting rod 4 fixedly connected with the rotating disc 3, a push plate 5 fixedly connected with the connecting rod 4, a worm wheel 6 fixedly connected with the upper end of the steering rod 2, a worm 7 engaged with the worm wheel 6, a motor mounting seat 8 fixedly arranged on the rack 1, and a motor 9 fixedly arranged on the motor mounting seat 8, wherein the main shaft of the motor 9 is connected with the worm 7.
[0019] The rolling mechanism comprises a support rod 1 fixed to the frame 1, two rollers 11 arranged below the support rod 1, a support rod 2 fixed to the support rod 1, a U-shaped seat 13 fixed to the lower end of the support rod 2, and a roller 14 rotatably connected to the U-shaped seat 13.
[0020] In the implementation, after the concrete is poured in the trench, the trench concrete leveling device is placed in the trench, and the frame 1 is pulled forward. During the forward movement of the push plate 5, the operator controls the forward and reverse rotation of the motor 9 through the control button on the circuit connected to the motor 9, so as to realize the rotation of the push plate 5 and adjust the angle of the push plate 5 relative to the front, thereby uniformly pushing the concrete. Then, the roller 11 rolls and levels the concrete once, and the roller 14 rolls and levels the concrete twice while rolling and leveling the position between the two rollers 11, thereby achieving good leveling effect.
[0021] In the specific embodiment, the front end of the frame 1 is provided with a connecting seat 15 for connecting with a traction machine head. The traction machine head can be a power machine, which is time-saving and labor-saving and has high efficiency. Alternatively, the traction machine head can be a worker, which is mainly applied to situations where it is inconvenient to use a power machine.
[0022] In the specific embodiment, the push plate 5 is an arc-shaped plate, and the convex direction of the arc-shaped plate is the front of the frame 1, which can provide downward force to the concrete when pushing forward, which is beneficial to the compaction of the concrete and the smooth operation.
[0023] In the specific embodiment, the rear part of the frame 1 is provided with a counterweight box 16, and the counterweight box 16 can be filled with counterweight blocks according to actual needs to meet the rolling and leveling pressure requirements.
[0024] In the specific embodiment, the bottom end of the push plate 5 is connected with a push strip 17 through a connecting pin, which can be replaced when the push strip 17 is damaged, without the need to replace the entire push plate 5, thereby saving cost and facilitating replacement and maintenance.
[0025] In the specific embodiment, the motor 9 is a speed reduction motor, which slowly adjusts the angle of the push plate 5 to meet the use requirements.
[0026] In the specific embodiment, the steering rod 2 and the rotating disc 3 are fixed together by welding, which is firm and not easy to be damaged.
[0027] In the specific embodiment, the push plate 5 and the connecting rod 4 are fixed together by bolts and can be disassembled.
[0028] In the description of the embodiments of the utility model, it needs to be explained that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0029] In addition, if the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0030] In the description of the embodiments of the utility model, "multiple" represents at least 2.
[0031] In the description of the embodiments of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" are broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] The utility model and its embodiments have been described above, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if ordinary skilled persons in the art are inspired thereby, without departing from the creative purpose of the utility model, without creative design, similar structural modes and embodiments of the technical scheme can be designed, which should belong to the protection scope of the utility model.
Claims
1. A trench concrete screed apparatus, characterized by: The machine frame (1), the uniform pushing mechanism arranged at the front of the machine frame (1), and the rolling mechanism arranged at the rear of the machine frame (1) are included. The uniform pushing mechanism comprises a steering rod (2) rotatably connected with the machine frame (1), a rotating disc (3) fixedly connected with the lower end of the steering rod (2), a connecting rod (4) fixedly connected with the rotating disc (3), a pushing plate (5) fixedly connected with the connecting rod (4), a worm gear (6) fixedly connected with the upper end of the steering rod (2), a worm (7) engaged with the worm gear (6), a motor mounting seat (8) fixedly connected with the machine frame (1), and a motor (9) fixedly mounted on the motor mounting seat (8), wherein the main shaft of the motor (9) is connected with the worm (7). The rolling mechanism comprises a support rod one (10) fixedly connected with the machine frame (1), two rollers one (11) arranged below the support rod one (10), a support rod two (12) fixedly connected with the support rod one (10), a U-shaped seat (13) fixedly connected with the lower end of the support rod two (12), and a roller two (14) rotatably connected with the U-shaped seat (13), wherein the roller one (11) is symmetrically rotatably connected on both sides of the support rod one (10), the support rod two (12) is in L shape, and the roller one (11) is arranged in parallel with the roller two (14).
2. A trench concrete screeding device according to claim 1, wherein: The front end of the machine frame (1) is provided with a connecting seat (15) for connecting with a traction machine head.
3. A trench concrete screeding device according to claim 1, wherein: The pushing plate (5) is in arc shape, and the convex direction of the arc-shaped plate is the front of the machine frame (1).
4. A trench concrete screeding device according to claim 1, wherein: The rear of the machine frame (1) is provided with a counterweight box (16).
5. A trench concrete screeding device according to claim 1, wherein: The bottom end of the pushing plate (5) is connected with a pushing strip (17) through a connecting pin.
6. A trench concrete screeding device according to claim 1, wherein: The motor (9) is a speed reduction motor.
7. A trench concrete screeding device according to claim 1, wherein: The steering rod (2) and the rotating disc (3) are fixedly connected together by welding.
8. A trench concrete screeding device according to claim 1, wherein: The pushing plate (5) and the connecting rod (4) are fixedly connected together by bolts.