Large-area concrete floor trowelling device

By introducing designs such as walking frames, telescopic arms and hydraulic support legs into large-area concrete floor smoothing devices, the problem of device transfer difficulties is solved, convenient movement and efficient smoothing are achieved, and construction efficiency and stability are improved.

CN222314621UActive Publication Date: 2025-01-07THE SECOND CONSTRUCTION ENGINEERING CO LTD CCSEB
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Patent Information

Application Number
CN202421247548.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-01-07
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The existing large-area concrete floor automatic leveling device has a huge structure, difficult to transfer, inconvenient use, and manual handling is required during the construction process, which affects construction efficiency.

Method used

A device including a walking frame, a telescopic arm and a flat plate is designed. The telescopic arm is driven by a hydraulic motor to achieve telescopic arm and a hydraulic cylinder. Combined with hydraulic support legs and flip frame, the stability and convenience of the device are improved. , enabling it to move between different working areas.

Benefits of technology

It realizes convenient transfer and efficient smoothing of the device, greatly improves construction efficiency, reduces the need for manual handling, and enhances smoothing quality and simplicity of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of concrete pouring, and discloses a large-area concrete floor trowelling device which comprises a walking frame, a telescopic arm and a trowelling plate, rolling wheels are rotationally installed on the two sides of the walking frame, a rotating table is rotationally installed on the upper surface of the walking frame, a hydraulic motor is fixedly installed in the walking frame, and the hydraulic motor is connected with the telescopic arm. A hydraulic motor drives the rotating table to rotate, a supporting clamping plate is fixedly installed on the upper surface of the rotating table, and the telescopic arm is rotationally installed in the supporting clamping plate. According to the large-area concrete floor trowelling device, the telescopic arm is arranged on the walking frame, the trowelling plate is connected with the end of the telescopic arm, the trowelling plate is driven to move by means of extension or contraction of the telescopic arm, the telescopic arm stretches out and draws back or swings left and right, and the working range is expanded, so that the trowelling plate has the function of paving the surface of the concrete floor; and the walking frame walks on the ground, so that the whole device moves, the effect of transferring among different operation areas is achieved, and use is more convenient and faster.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete pouring, in particular to a large-area concrete floor leveling device. Background Art

[0002] During the construction of the concrete pouring floor, in order to make the flatness of the floor reach a certain standard, it is necessary to level it by a certain method. The prior art has a notice number of CN210127616U, which discloses an automatic leveling device for a large area of ​​concrete floor, including a positioning seat and a slide rail connected to the positioning seat, the slide rails are arranged in parallel, and a rack is arranged on the slide rail. The device also includes a brush plate beam and a brush plate. The brush plate beam is vertically arranged between the slide rails, and a beam carrier is arranged at both ends of the brush plate beam. The beam carrier is arranged on the slide rail, and a driving motor is arranged on the beam carrier. The bottom of the beam carrier is provided with a transmission gear meshing with the rack. The top of the brush plate is provided with a brush plate rotating shaft connected to the brush plate beam. The device is used for ground leveling. The whole leveling process is simple and fast, no manual operation is required, a lot of manpower is saved, and the construction efficiency can be effectively improved. It is also suitable for the leveling work of large-area concrete floors, and solves the technical problems of small range, low efficiency and low precision of traditional manual leveling.

[0003] During the actual construction process, when the ground area is large, concrete pouring is usually carried out in multiple areas, and the pouring process of each area needs to transfer the leveling device. For example, the automatic leveling device for large-area concrete floor proposed in the above scheme has a huge structure and relies on manual transportation, which has the problem of difficulty in transfer, causing inconvenience to use and needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a large-area concrete floor leveling device to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-area concrete floor leveling device, comprising a traveling frame, a telescopic arm and a trowel plate, rollers are rotatably installed on both sides of the traveling frame, a rotating table is rotatably installed on the upper surface of the traveling frame, a hydraulic motor is fixedly installed inside the traveling frame, and the rotating table is driven to rotate by the hydraulic motor.

[0006] A supporting splint is fixedly installed on the upper surface of the rotating table, and the telescopic arm is rotatably installed in the supporting splint. A first hydraulic cylinder is rotatably installed in the supporting splint. The telescopic end of the first hydraulic cylinder is rotatably connected to the outer surface of the telescopic arm. A connecting frame is fixedly installed on the telescopic end of the telescopic arm. The trowel plate is detachably assembled with the connecting frame, and the traveling frame travels on the ground to move the device as a whole, thereby achieving the effect of transferring between different working areas and being more convenient to use.

[0007] Preferably, a rotating shaft is rotatably installed in the traveling frame, a rotating platform is fixedly installed on the surface of the rotating shaft, a gear ring is fixedly installed on the bottom end of the rotating shaft, a gear is fixedly installed on the rotating end of the hydraulic motor, and the gear and the gear ring are meshed for transmission, so that the hydraulic motor drives the rotating platform to rotate forward and reversely, and the telescopic arm can swing left and right.

[0008] Extension beams are slidably inserted on both sides of the traveling frame, and hydraulic support legs are fixedly installed on the ends of the extension beams. The telescopic ends of the hydraulic support legs face downward and are fixedly installed with pads. The hydraulic support legs lift up the traveling frame, which not only improves the stability of the ground placement, but also assists in leveling the traveling frame.

[0009] Preferably, a counterweight platform is fixedly installed on the end of the supporting splint, a positioning column is fixedly installed on the upper surface of the counterweight platform, a plurality of counterweight blocks are sleeved on the surface of the positioning column, and suspension pins are fixedly installed on both ends of the counterweight blocks. After the telescopic arm is extended, the configuration blocks play a role in keeping the device balanced.

[0010] Preferably, the telescopic arm includes an outer arm sleeve and multiple inner arm sleeves, the multiple inner arm sleeves are slidably sleeved together, the outer inner arm sleeve is slidably sleeved in the outer arm sleeve, the outer arm sleeve is rotatably connected to the supporting splint, the telescopic end of the first hydraulic cylinder is rotatably connected to the outer arm sleeve, and telescopic cylinders are fixedly installed in the multiple inner arm sleeves, and the telescopic ends of the telescopic cylinders are fixedly connected to adjacent inner arm sleeves or outer arm sleeves. The telescopic cylinders serve as a power unit to make each section of the telescopic arm telescopic.

[0011] Preferably, an assembly seat is rotatably installed at the end of the connecting frame, a flip motor is fixedly installed in the assembly seat, the flip frame is fixedly installed on the rotating end of the flip motor, a second hydraulic cylinder is rotatably installed on the inner side of the connecting frame, the telescopic end of the second hydraulic cylinder is rotatably connected to the outer wall of the assembly seat, and the telescopic end of the second hydraulic cylinder facilitates the adjustment of the angle between the trowel plate and the trowel plane.

[0012] The upper and lower side surfaces of the flip frame are both provided with mounting grooves, and the trowel plate includes a first scraper and a second scraper, which are respectively fixed in the mounting grooves on the upper and lower sides by locking bolts on the surface of the flip frame. The flip frame is rotated 180° so that the first scraper and the second scraper can be switched for use.

[0013] Beneficial Effects

[0014] The utility model provides a large-area concrete floor leveling device, which has the following beneficial effects:

[0015] 1. The large-area concrete floor leveling device is provided with a telescopic arm on a traveling frame, and a trowel plate is connected to the end of the telescopic arm. The extension or contraction of the telescopic arm drives the trowel plate to move. The telescopic arm is extended or retracted or swung left and right to expand the working range, so that the trowel plate has the function of paving the surface of the concrete floor. The traveling frame walks on the ground to move the device as a whole, thereby achieving the effect of transferring between different working areas, and the use is more convenient.

[0016] 2. The large-area concrete floor leveling device is provided with hydraulic support legs on both sides of the traveling frame. During the operation of the trowel plate, the hydraulic support legs are extended to lift up the traveling frame, which not only improves the stability of the ground placement, but also assists in leveling the traveling frame, ensures that the trowel plate moves on the horizontal plane, and improves the leveling quality. By providing a turning frame, the first scraper and the second scraper can be switched for use, and the second hydraulic cylinder drives the turning frame to turn over, so that the trowel plate maintains a certain angle with the ground. At the same time, the turning of the turning frame can be used to separate the trowel plate from the trowel surface so that the trowel plate can move back and forth. The operation is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model (I);

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model (II);

[0019] Figure 3 It is a schematic diagram of a partial front section structure of the utility model;

[0020] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1 walking frame, 2 telescopic arm, 3 screed plate, 4 rotating table, 5 hydraulic motor, 6 supporting splint, 7 first hydraulic cylinder, 8 connecting frame, 9 extension beam, 10 hydraulic supporting leg, 11 counterweight platform, 12 positioning column, 13 counterweight block, 14 outer arm sleeve, 15 inner arm sleeve, 16 telescopic cylinder, 17 assembly seat, 18 flip motor, 19 flip frame, 20 second hydraulic cylinder, 21 first scraper, 22 second scraper, 23 gear ring, 24 rotating shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a large-area concrete floor leveling device, comprising a traveling frame 1, a telescopic arm 2 and a trowel plate 3, rollers are rotatably installed on both sides of the traveling frame 1, a driving motor is arranged inside the traveling frame 1, and the driving motor drives the rollers to rotate.

[0024] Extension beams 9 are slidably inserted on both sides of the traveling frame 1, and hydraulic support legs 10 are fixedly installed at the ends of the extension beams 9. The telescopic ends of the hydraulic support legs 10 face downward and are fixedly installed with pads. The hydraulic support legs 10 are extended to lift the traveling frame 1 to increase its stability when placed on the ground. The extension lengths of the various hydraulic support legs 10 are different, which is convenient for aligning the traveling frame 1.

[0025] A rotating table 4 is rotatably installed on the upper surface of the traveling frame 1, and a hydraulic motor 5 is fixedly installed inside the traveling frame 1. The rotating table 4 is driven to rotate by the hydraulic motor 5. Specifically, a rotating shaft 24 is rotatably installed inside the traveling frame 1, and the rotating table 4 is fixedly installed on the surface of the rotating shaft 24. A gear ring 23 is fixedly installed on the bottom end of the rotating shaft 24, and a gear is fixedly installed on the rotating end of the hydraulic motor 5. The gear is meshed with the gear ring 23 for transmission, so that the hydraulic motor 5 drives the rotating table 4 to rotate forward and reverse.

[0026] A supporting splint 6 is fixedly installed on the upper surface of the rotating table 4, and the telescopic arm 2 is rotatably installed in the supporting splint 6. A first hydraulic cylinder 7 is rotatably installed in the supporting splint 6. The telescopic end of the first hydraulic cylinder 7 is rotatably connected to the outer surface of the telescopic arm 2. A connecting frame 8 is fixedly installed on the telescopic end of the telescopic arm 2, and the trowel plate 3 is detachably assembled with the connecting frame 8.

[0027] A counterweight platform 11 is fixedly installed at the end of the supporting splint 6, a positioning column 12 is fixedly installed on the upper surface of the counterweight platform 11, a plurality of counterweight blocks 13 are sleeved on the surface of the positioning column 12, and suspension pins are fixedly installed at both ends of the counterweight blocks 13. The suspension rope is hung on the surface of the suspension pin, and the configuration block 13 is lifted to increase or decrease the number of counterweight blocks on the counterweight platform 11.

[0028] In this embodiment, Figure 3 As shown, the telescopic arm 2 includes an outer arm sleeve 14 and a plurality of inner arm sleeves 15, the plurality of inner arm sleeves 15 are slidably sleeved together, the outer inner arm sleeve 15 is slidably sleeved in the outer arm sleeve 14, the outer arm sleeve 14 is rotatably connected to the support clamp 6, the telescopic end of the first hydraulic cylinder 7 is rotatably connected to the outer arm sleeve 14, and the plurality of inner arm sleeves 15 are fixedly installed with telescopic cylinders 16, and the telescopic ends of the telescopic cylinders 16 are fixedly connected to the adjacent inner arm sleeves 15 or the outer arm sleeves 14, refer to Figure 3 .

[0029] An assembly seat 17 is rotatably installed at the end of the connecting frame 8, a flip motor 18 is fixedly installed inside the assembly seat 17, a flip frame 19 is fixedly installed on the rotating end of the flip motor 18, and a second hydraulic cylinder 20 is rotatably installed on the inner side of the connecting frame 8, and the telescopic end of the second hydraulic cylinder 20 is rotatably connected to the outer wall of the assembly seat 17.

[0030] The upper and lower side surfaces of the flip frame 19 are both provided with mounting grooves, and the trowel plate 3 includes a first scraper 21 and a second scraper 22, which are respectively fixed in the mounting grooves on the upper and lower sides by locking bolts on the surface of the flip frame 19. The first scraper 21 is a T-shaped structure, and the second scraper 22 is a straight plate structure. The second scraper 22 can be used to flatten the poured concrete, and the first scraper 21 can be used to smooth the concrete surface.

[0031] The flipping motor 18 drives the flipping frame 19 to rotate 180°, so that the first scraper 21 and the second scraper 22 can be used switchably, and the second hydraulic cylinder 20 drives the flipping frame 19 to flip, so that the trowel plate 3 maintains a certain angle with the ground. At the same time, the flipping of the flipping frame 19 can be used to separate the trowel plate 3 from the concrete trowel surface so that the trowel plate 3 can move back and forth without lifting the telescopic arm 2. The operation is simple and practical.

[0032] By arranging hydraulic support legs 10 on both sides of the traveling frame 1, when the trowel plate 3 is in operation, the hydraulic support legs 10 are extended to lift up the traveling frame 1, which not only improves the stability of the ground placement, but also assists in leveling the traveling frame 1, ensures that the trowel plate 3 moves on a horizontal plane, and improves the leveling quality.

[0033] The large-area concrete floor smoothing device is provided with a telescopic arm 2 on a traveling frame 1, and a trowel plate 3 is connected to the end of the telescopic arm 2. The telescopic arm 2 is extended or contracted to drive the trowel plate 3 to move. The telescopic arm 2 is extended or swung left and right, thereby expanding the operating range of the trowel plate 3, so that the trowel plate 3 has the function of paving the surface of the concrete floor. The traveling frame 1 travels on the ground to move the device as a whole, thereby achieving the effect of transferring between different working areas, without the need for manual handling, and being more convenient to use.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-area concrete floor leveling device, comprising a traveling frame (1), a telescopic arm (2) and a leveling plate (3), characterized in that: Rollers are rotatably mounted on both sides of the traveling frame (1), a rotating platform (4) is rotatably mounted on the upper surface of the traveling frame (1), a hydraulic motor (5) is fixedly mounted inside the traveling frame (1), and the rotating platform (4) is driven to rotate by the hydraulic motor (5); A supporting clamp (6) is fixedly mounted on the upper surface of the rotating table (4), the telescopic arm (2) is rotatably mounted in the supporting clamp (6), a first hydraulic cylinder (7) is rotatably mounted in the supporting clamp (6), the telescopic end of the first hydraulic cylinder (7) is rotatably connected to the outer surface of the telescopic arm (2), a connecting frame (8) is fixedly mounted on the telescopic end of the telescopic arm (2), and the trowel plate (3) is detachably assembled with the connecting frame (8).

2. A large-area concrete floor leveling device according to claim 1, characterized in that: Extension beams (9) are slidably inserted on both sides of the traveling frame (1), hydraulic support legs (10) are fixedly installed at the ends of the extension beams (9), and the telescopic ends of the hydraulic support legs (10) face downward and are fixedly installed with pads.

3. A large-area concrete floor leveling device according to claim 2, characterized in that: A counterweight platform (11) is fixedly mounted on the end of the support clamping plate (6), a positioning column (12) is fixedly mounted on the upper surface of the counterweight platform (11), a plurality of counterweight blocks (13) are sleeved on the surface of the positioning column (12), and suspension pins are fixedly mounted on both ends of the counterweight blocks (13).

4. A large-area concrete floor leveling device according to claim 3, characterized in that: The telescopic arm (2) comprises an outer arm sleeve (14) and a plurality of inner arm sleeves (15), wherein the plurality of inner arm sleeves (15) are slidably sleeved together, the outer inner arm sleeve (15) is slidably sleeved in the outer arm sleeve (14), the outer arm sleeve (14) is rotatably connected to the support clamping plate (6), and the telescopic end of the first hydraulic cylinder (7) is rotatably connected to the outer arm sleeve (14).

5. A large-area concrete floor leveling device according to claim 4, characterized in that: A telescopic oil cylinder (16) is fixedly installed in each of the plurality of inner arm sleeves (15), and a telescopic end of the telescopic oil cylinder (16) is fixedly connected to an adjacent inner arm sleeve (15) or outer arm sleeve (14).

6. A large-area concrete floor leveling device according to claim 5, characterized in that: An assembly seat (17) is rotatably mounted on the end of the connecting frame (8), a flip motor (18) is fixedly mounted inside the assembly seat (17), a flip frame (19) is fixedly mounted on the rotating end of the flip motor (18), a second hydraulic cylinder (20) is rotatably mounted on the inner side of the connecting frame (8), and the telescopic end of the second hydraulic cylinder (20) is rotatably connected to the outer wall of the assembly seat (17).

7. A large-area concrete floor leveling device according to claim 6, characterized in that: The upper and lower side surfaces of the flip frame (19) are both provided with mounting grooves. The trowel plate (3) comprises a first scraper (21) and a second scraper (22). The first scraper (21) and the second scraper (22) are respectively fixed in the mounting grooves on the upper and lower sides by locking bolts on the surface of the flip frame (19).

8. A large-area concrete floor leveling device according to any one of claims 1 to 7, characterized in that: A rotating shaft (24) is rotatably mounted in the traveling frame (1), a rotating platform (4) is fixedly mounted on the surface of the rotating shaft (24), a gear ring (23) is fixedly mounted on the bottom end of the rotating shaft (24), a gear is fixedly mounted on the rotating end of the hydraulic motor (5), and the gear is meshed with the gear ring (23) for transmission, so that the hydraulic motor (5) drives the rotating platform (4) to rotate forward and reverse.

Citation Information

Patent Citations

  • Automatic leveling device for large-area concrete ground

    CN210127616U