Concrete trowelling device convenient to operate

By combining the material guide scraper and the vibrating screed plate, the problem of requiring multiple operators for laser screed machines is solved, enabling a single person to complete concrete screing, reducing labor costs and improving screing efficiency.

CN224106822UActive Publication Date: 2026-04-10GUANGDONG HANJIANG ENG GENERAL CONTRACTING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing laser screed machines require multiple workers to operate during concrete screeding, resulting in high labor costs and a cumbersome process, especially when dealing with defects and excess materials in the area to be screed, which requires manual intervention.

Method used

An easy-to-operate concrete leveling device was designed, which combines a material guide scraper and a vibrating leveling plate. An angle adjustment device enables automatic material replenishment and guidance of excess material, reducing manual intervention.

Benefits of technology

It enables single-person operation to complete concrete leveling, reducing labor costs and improving leveling efficiency. The automatic material replenishment function reduces the need for manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a concrete trowelling device convenient to operate. Belongs to the technical field of concrete trowelling. According to the technical key points, the device comprises a construction vehicle, a connecting frame is arranged at the front end of the construction vehicle, a mounting base is arranged on the connecting frame through a lifting adjusting assembly, a material guide scraper is arranged at the bottom of the mounting base, a vibration leveling plate is connected to the front end of the mounting base through a suspension, and a feeding opening is formed in the bottom face of the side, close to the construction vehicle, of the vibration leveling plate; the distance between the charging hole and the end part of one end, close to the construction vehicle, of the vibration leveling plate is 1-2cm; a storage hopper is arranged on the vibration leveling plate at the charging hole, and a discharging hole of the storage hopper corresponds to the charging hole; an angle adjusting device for adjusting the inclination direction of the material guide scraper is arranged on the mounting seat; during working, the material guide scraping plate close to one side of a flattened area is positioned at the front end of the moving direction; the utility model aims to provide the concrete trowelling device which is simple in structure and convenient to operate and can automatically supplement materials; the trowelling device is used for trowelling concrete.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a concrete smoothing device, more particularly to a concrete smoothing device convenient to operate. BACKGROUND

[0002] The laser leveling machine is a kind of equipment that realizes high-precision and rapid leveling of concrete by taking the laser emitted by the emitter as reference plane and controlling the leveling head in real time by the laser receiver on the laser leveling machine. It is indeed a time-saving and labor-saving way to pave the ground using the concrete laser leveling machine, which is not only fast and effective but also can save labor to the maximum. After starting, the equipment can automatically level according to the height of the ground or compact after manual leveling, and both ways can be applied.

[0003] During the process of leveling concrete by the laser leveling machine, when there are defects in some areas of the concrete to be leveled, manual material supplement is needed to ensure that there is no depression or pit after leveling. At the same time, when there is already leveled concrete pavement on one side, the worker needs to clean the excess material on the concrete to be leveled near this side in advance to avoid the excess material running to the already leveled concrete surface after pressing. Therefore, when operating the laser leveling machine, not only one worker is needed to drive the vehicle body forward for leveling, but also at least one worker is needed on the side, and multiple workers are needed to cooperate during the whole leveling process, which is complicated and high in labor cost. SUMMARY

[0004] The utility model aims at the deficiency of the prior art and provides a concrete smoothing device convenient to operate with simple structure and automatic material supplement.

[0005] The technical scheme of the utility model is implemented as follows: a concrete smoothing device convenient to operate, comprising a construction vehicle, a connecting frame is arranged at the front end of the construction vehicle, a mounting seat is arranged on the connecting frame through a lifting adjusting assembly, a material guide scraper is arranged at the bottom of the mounting seat, a vibrating leveling plate is connected to the front end of the mounting seat through a suspension, a feeding port is arranged on the bottom surface of the vibrating leveling plate close to the construction vehicle, and the distance between the feeding port and the end of the vibrating leveling plate close to the construction vehicle is 1-2 cm; a storage hopper is arranged on the vibrating leveling plate at the feeding port, and the discharge port of the storage hopper corresponds to the feeding port.

[0006] An angle adjusting device for adjusting the inclination direction of the material guide scraper is arranged on the mounting seat; during operation, the material guide scraper close to the already leveled area is located at the front end of the moving direction.

[0007] The positioning groove is arranged on the vibration leveling plate, the storage hopper is detachably arranged in the positioning groove, and the relief portions are formed at the bottom of the two ends of the storage hopper.

[0008] The first guide plate is arranged on the two sides of the material guiding scraper, the included angle a between the first guide plate and the material guiding scraper is 115-130°, the second guide plate is arranged on the outer end of the first guide plate, and the included angle β between the second guide plate and the first guide plate is 125-140°.

[0009] The angle adjusting device comprises a rotating shaft arranged on the mounting base through a shaft base, a hinged base matched with the rotating shaft is arranged on the back of the material guiding scraper, a threaded seat is arranged on the proximal end of the material guiding scraper, an adjusting screw is arranged on the threaded seat, an arc-shaped long hole matched with the adjusting screw is arranged on the mounting base, and a hexagonal handle is arranged on the adjusting screw.

[0010] After the above structure is adopted, the material guiding scraper is adjusted to be inclined through the angle adjusting device, and the material guiding scraper can automatically guide the excess concrete on the side close to the leveled area to the other side in the advancing pre-leveling process. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model makes further detailed description in combination with the embodiment in the drawings, but does not constitute any limit to the utility model.

[0012] Figure 1 It is the structure schematic diagram of the utility model;

[0013] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0014] Figure 3 It is the local structure schematic diagram of A of the utility model;

[0015] Figure 4 It is the structure schematic diagram of the utility model;

[0016] Figure 5 It is the structure schematic diagram of the utility model material guiding scraper.

[0017] In the figure: 1, construction car; 2, connecting frame; 3, lifting adjusting assembly; 4, mounting seat; 5, material guiding scraper; 6, suspension; 7, vibrating leveling plate; 8, feeding opening; 9, material storage hopper; 10, angle adjusting device; 10a, shaft seat; 10b, rotating shaft; 10c, hinged seat; 10d, threaded seat; 10e, adjusting screw; 10f, arc-shaped long hole; 10g, hexagonal handle; 11, positioning groove; 12, giving way part; 13, positioning step; 14, first guide plate; 15, second guide plate. DETAILED DESCRIPTION

[0018] Referring to Figures 1-5 The utility model discloses a concrete smoothing device convenient to operate, including construction car 1, the construction car 1 front end is equipped with connecting frame 2, is equipped with mounting seat 4 on connecting frame 2 through lifting adjusting assembly 3, is equipped with material guiding scraper 5 on the bottom of mounting seat 4, is connected with vibrating leveling plate 7 through suspension 6 in the front end of mounting seat 4, the bottom surface of vibrating leveling plate 7 is equipped with feeding opening 8 on the side close to construction car 1, the interval between feeding opening 8 and vibrating leveling plate 7 close to the end of construction car 1 is 1-2cm, is equipped with material storage hopper 9 on vibrating leveling plate 7 at feeding opening 8, the discharge port of material storage hopper 9 corresponds with feeding opening 8. Construction car is equipped with laser positioning, leveling structure, these are the prior art structure of laser leveling machine, are the public common knowledge in the field, and here will not repeat.

[0019] The bottom of feeding opening is close to the concrete surface in the working process, and the concrete in the material storage hopper will not flow out directly, and when passing through the pit, the material in the material storage hopper will flow out automatically to fill the pit.

[0020] With the advance of construction car, the material guiding scraper is pre-scraped and then the concrete is leveled by the vibrating leveling plate. In the leveling process of the vibrating leveling plate, the end close to the advancing direction is leveled first, and then when the feeding opening passes through the area leveled by the front end, if there is a pit, the material in the material storage hopper will flow out automatically to fill the pit, and then the vibrating leveling plate in the rear half is used for smoothing.

[0021] The mounting seat 4 is equipped with an angle adjusting device 10 for adjusting the inclination direction of the material guiding scraper 5. In the working process, the material guiding scraper 5 close to the smoothed area is located at the front end of the moving direction. By adjusting the inclination of the material guiding scraper through the angle adjusting device, the material guiding scraper can automatically guide the excess concrete close to the smoothed area to the other side in the pre-scraping process.

[0022] In the whole smoothing process, no manual assistance is needed on both sides, and only one worker can complete the operation, which can effectively reduce the labor cost.

[0023] In the embodiment, the vibration screed 7 is provided with a positioning groove 11, the storage hopper 9 is detachably installed in the positioning groove 11, and a clearance 12 is formed at the bottom of the storage hopper 9. The positioning groove 11 is provided with a positioning step 13, and the positioning step 13 is matched with the clearance 12. After the structure is adopted, the storage hopper can be easily replaced, and one of the storage hopper and the vibration screed can be replaced when one of them is damaged.

[0024] In the embodiment, preferably, the material guiding scraper 5 is provided with a first guiding plate 14 on each side, and the included angle a between the first guiding plate 14 and the material guiding scraper 5 is 115-130°. The first guiding plate 14 is provided with a second guiding plate 15 at the outer end, and the included angle β between the second guiding plate 15 and the first guiding plate 14 is 125-140°. The arc-shaped plate is arranged between the material guiding scraper and the first guiding plate and between the first guiding plate and the second guiding plate to smoothly transition, so that the concrete can flow smoothly. Through multiple experiments, when the above angles are adopted between the material guiding scraper and the first guiding plate and between the first guiding plate and the second guiding plate, the excess material close to the already smoothed area can be effectively guided.

[0025] In the embodiment, the angle adjusting device 10 includes a rotating shaft 10b arranged on the mounting base 4 through a shaft seat 10a, a hinge seat 10c arranged on the back of the material guiding scraper 5 and matched with the rotating shaft 10b, a threaded seat 10d arranged at the proximal end of one end of the material guiding scraper 5, an adjusting screw 10e arranged on the threaded seat 10d, an arc-shaped long hole 10f arranged on the mounting base 4 and matched with the adjusting screw 10e, and a hexagonal handle 10g arranged on the adjusting screw 10e. After the structure is adopted, the inclination direction and the inclination angle of the material guiding scraper are adjusted through the arc-shaped long hole, then the hexagonal handle is tightened to fix the adjusting screw, so that the bottom of the hexagonal handle is fixed with the threaded seat and the mounting base, and the operation is convenient.

[0026] In work, the material guiding scraper is first adjusted to a suitable inclination angle, then the construction vehicle is started by the worker and moved to the concrete to be leveled, the standby concrete material is added in the storage hopper, the construction vehicle is advanced in cooperation with the laser positioning, the material guiding scraper pre-scrapes the concrete, then the vibration screed approaches one end of the advancing direction to level the concrete, when the feeding port passes the front end of the leveled area, if there is a pit, the material in the storage hopper will automatically flow out to fill the pit, and then the rear half of the vibration screed levels the concrete.

[0027] The above-mentioned embodiments are preferred embodiments of the present application, which are only used for conveniently illustrating the present application, and do not limit the present application in any form, and any person with ordinary knowledge in the art can make equivalent embodiments with partial changes or modifications within the technical features disclosed by the present application without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.

Claims

1. A concrete smoothing device convenient to operate, comprising a construction vehicle (1), the front end of the construction vehicle (1) is provided with a connecting frame (2), a mounting seat (4) is arranged on the connecting frame (2) through a lifting adjusting assembly (3), a guide material scraper (5) is arranged at the bottom of the mounting seat (4), and a vibrating screed plate (7) is connected to the front end of the mounting seat (4) through a suspension (6), characterized in that, The bottom surface of the vibration screed plate (7) near the construction vehicle (1) side is provided with a feeding opening (8), the distance between the feeding opening (8) and the end of the vibration screed plate (7) near the construction vehicle (1) is 1-2cm; the vibration screed plate (7) at the feeding opening (8) is provided with a storage hopper (9), the discharge opening of the storage hopper (9) corresponds to the feeding opening (8); The mounting seat (4) is provided with an angle adjusting device (10) for adjusting the inclination direction of the material guide scraper (5); during work, the material guide scraper (5) near the side of the already smoothed area is located at the front end of the moving direction.

2. A concrete screeding device for ease of operation according to claim 1 wherein, The vibration screed plate (7) is provided with a positioning groove (11), the storage hopper (9) is detachably installed in the positioning groove (11), and the bottom of the storage hopper (9) is chamfered to form a letting-in part (12); the positioning groove (11) is provided with a positioning step (13), and the positioning step (13) is matched with the letting-in part (12).

3. A concrete screeding device for ease of operation according to claim 1 wherein, The material guide scraper (5) is provided with a first guide plate (14) on both sides, the included angle α between the first guide plate (14) and the material guide scraper (5) is 115-130°; a second guide plate (15) is arranged at the outer end of the first guide plate (14), and the included angle β between the second guide plate (15) and the first guide plate (14) is 125-140°.

4. A concrete screeding device for ease of operation according to claim 1 wherein, The angle adjusting device (10) comprises a rotating shaft (10b) arranged on the mounting seat (4) through a shaft seat (10a), a hinged seat (10c) matched with the rotating shaft (10b) is arranged on the back of the material guide scraper (5); a threaded seat (10d) is arranged at one end of the material guide scraper (5) near the end, an adjusting screw (10e) is arranged on the threaded seat (10d), an arc-shaped long hole (10f) matched with the adjusting screw (10e) is arranged on the mounting seat (4), and a hexagonal handle (10g) is arranged on the adjusting screw (10e).