Ground trowelling device for concrete construction

Abstract

The utility model relates to the field of concrete construction, and discloses a concrete construction ground trowelling device which comprises a base, a fixing frame is arranged at the top of the base, a square groove is formed in the bottom of the base, a servo motor is fixedly connected to the inner wall of the fixing frame, the output end of the servo motor is connected with a rotating shaft, and the rotating shaft is fixedly connected with the base. The outer surface of the rotating shaft is in threaded connection with a moving block, an electric push rod is fixedly installed at the bottom of the moving block, a connecting plate is fixedly installed at the telescopic end of the electric push rod, fixing rings are fixedly installed on the two sides of the connecting plate, elastic belts are inserted into the outer surfaces of the fixing rings in a penetrating mode, and a supporting frame is rotationally connected to the bottom of the connecting plate. Through the electric push rod, the servo motor, the troweling plate, the elastic belt, the supporting frame and the connecting plate, a certain dip angle can be conveniently manufactured when a road is troweled, the dip angle of the road surface can be adjusted according to actual requirements, and the requirement for road drainage is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete construction technical field, concretely is a kind of ground trowelling device for concrete construction. BACKGROUND

[0002] Concrete has the characteristics of high compressive strength, good durability, wide strength grade range, and is often used for pavement hardening. When pouring concrete pavement, it is necessary to first use a concrete transport vehicle to pour concrete in a region on a prefabricated plane, and then manually operate a trowelling device to spread the concrete flat. Therefore, the existing ground trowelling device for concrete construction has been continuously innovated and developed, so it is known that the current ground trowelling device for concrete construction basically meets people's needs, but there are still some problems.

[0003] For example, the patent document with publication number CN220394223U discloses a ground trowelling device for concrete construction, which comprises a lifting assembly, a sliding assembly, a transmission assembly and a trowel. The lifting assembly has four lifting assemblies arranged in a rectangular shape for supporting the device. The sliding assembly is fixedly arranged at the upper end of the lifting assembly and is used for horizontal support of the component to facilitate trowelling of the concrete. The transmission assembly is arranged at one end face of the sliding assembly and is used for horizontal feed transmission. The trowel is used for trowelling of the concrete. The lifting assembly is provided with a first sleeve and a second sleeve, which are arranged in a sleeve structure that is mutually nested. A threaded transmission block is arranged therein, and the threaded transmission is used as a power source to drive the two sleeves to expand and contract. The threaded transmission itself has self-locking property, which ensures that the expansion and contraction position of the lifting assembly will not be retracted due to the weight on the upper end, and the stability of the device is increased.

[0004] However, when the device is actually used, the lifting assembly is started to lift the sliding assembly and the transmission assembly, thereby adjusting the angle of the transmission assembly. Since the sliding assembly in the device is fixedly arranged on the lifting assembly, and the transmission assembly is fixedly arranged on the sliding assembly, when the lifting assembly on one side is started, the sliding assembly and the transmission assembly have a tendency to tilt. However, the sliding assembly is fixedly connected to the lifting assembly on the other side, thereby hindering the movement of the sliding assembly, and it is difficult to effectively adjust the angle of the transmission assembly, thereby making it difficult to manufacture a certain inclination angle on the trowelling plane, and the road drainage effect is not good. Therefore, there is an urgent need for a ground trowelling device for concrete construction to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a ground trowelling device for concrete construction to solve the problem of poor road trowelling quality in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme, disclose a kind of ground trowelling device of concrete construction, including base, the top of the base is provided with fixed frame, the bottom of the base is provided with square recess;

[0007] Servo motor, the servo motor is fixedly connected in the inner wall of fixed frame, the output end of the servo motor is connected with the shaft, the outer surface of the shaft is threadedly connected with moving block, the bottom of the moving block is fixedly installed with electric push rod, the telescopic end of the electric push rod is fixedly installed with connecting plate, the both sides of the connecting plate are fixedly installed with fixed ring, the outer surface of the fixed ring is inserted with elastic band, the bottom of the connecting plate is rotatably connected with support frame, and support frame is rotatably connected to the inner wall of elastic band.

[0008] Preferably, the bottom of the support frame is provided with a connecting groove, the inner wall of the connecting groove is lapped with a support block, and the bottom of the support block is fixedly installed with a trowelling plate.

[0009] Preferably, the inner wall of the fixed ring is rotatably connected with a connecting ring, and the outer surface of the electric push rod is fixedly connected with a sealing sleeve.

[0010] Preferably, the outer surface of the connecting ring is fixedly installed with a sliding block, and the sliding block is embeddedly connected to the inner wall of the fixed ring.

[0011] Preferably, the inner wall of the fixed frame is fixedly installed with a limiting rod, and the limiting rod penetrates through the inner wall of the moving block.

[0012] Preferably, the bottom of the base is provided with a universal wheel, and the top of the base is provided with a push handle.

[0013] Preferably, the support block is in T-shaped block shape, and the support block is matched with the connecting groove.

[0014] Preferably, the trowelling plate is in V-shaped block shape, and the trowelling plate is lapped at the bottom of the support frame.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] The utility model discloses through opening electric push rod and servo motor, make trowelling plate move to right lower corner, the trowelling plate is convenient for the trowelling of certain inclination angle to road, and through sliding block, connecting ring is embedded in fixed ring, so that the gap between fixed ring and connecting plate is generated, and the elastic band is taken out, and then the elastic band is knotted, the purpose that the length of elastic band is adjusted is realized, and the elastic band is connected between connecting plate and support frame, so that the size of the included angle between support frame and connecting plate is adjusted, and then the inclination angle of trowelling plate is adjusted, so that the device can adjust the inclination size of road surface according to actual demand, improve the practicality of device, meet the requirement of road drainage.

[0017] The utility model discloses a rotary trowel plate, the support block is consistent with the through -opening of connecting groove, and the support block is convenient to take out, and then the trowel plate is taken out from the equipment, and it is convenient to clean or replace, and the trowel effect of trowel plate is better, and the trowel plate sets up and presents V type block, and the extra concrete is pushed together conveniently, and it is convenient to clean up, and the road construction efficiency improves, and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional schematic view of the utility model;

[0019] Figure 2 It is the fixed frame structure schematic view of the utility model;

[0020] Figure 3 It is the elastic band structure schematic view of the utility model;

[0021] Figure 4 It is the fixed ring structure schematic view of the utility model;

[0022] Figure 5 It is the moving block structure schematic view of the utility model;

[0023] Figure 6 It is the trowel plate structure schematic view of the utility model.

[0024] In the drawing: 1, base;2, fixed frame;3, square recess;4, servo motor;5, rotating shaft;6, moving block;7, electric push rod;8, connecting plate;9, fixed ring;10, elastic band;11, support frame;12, connecting groove;13, support block;14, trowel plate;15, connecting ring;16, sealing sleeve;17, sliding block;18, limit rod;19, universal wheel;20, push handle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figure 1 、 Figure 3 And Figure 4 An embodiment provided by the utility model:

[0027] It includes base 1, the top of base 1 is provided with fixed frame 2, the bottom of base 1 is provided with square recess 3, servo motor 4, servo motor 4 is fixedly connected to the inner wall of fixed frame 2, the output end of servo motor 4 is connected with rotating shaft 5, the outer surface of rotating shaft 5 is threadedly connected with moving block 6, the bottom of moving block 6 is fixedly installed with electric push rod 7, the telescopic end of electric push rod 7 is fixedly installed with connecting plate 8, the both sides of connecting plate 8 are fixedly installed with fixed ring 9, the outer surface of fixed ring 9 is inserted with elastic band 10, the bottom of connecting plate 8 is rotatably connected with support frame 11, and support frame 11 is rotatably connected to the inner wall of elastic band 10, the inner wall of fixed frame 2 is fixedly installed with limiting rod 18, and limiting rod 18 penetrates through the inner wall of moving block 6;

[0028] In the process of leveling the concrete on the road, the elastic band 10 is connected between the connecting plate 8 and the support frame 11, and the support frame 11 is rotatably connected to one end of the connecting plate 8, so that an included angle is formed between the support frame 11 and the connecting plate 8. The leveling plate 14 is inclined through the support block 13, the worker moves the base 1 to the place to be leveled, then starts the electric push rod 7, and then the electric push rod 7 drives the leveling plate 14 to move downward through the connecting plate 8 and the support frame 11, so that the entire bottom surface of the leveling plate 14 is in contact with the concrete. Then the servo motor 4 is started, and then the output end of the servo motor 4 drives the rotating shaft 5 to rotate, and then the rotating shaft 5 drives the moving block 6 to rotate. Then the moving block 6 is resisted by the limiting rod 18, so that the moving block 6 moves right along the outer surface of the rotating shaft 5. Then the moving block 6 drives the electric push rod 7 to move right, and then the electric push rod 7 drives the connecting plate 8 to move right. Then the connecting plate 8 drives the support frame 11 to move right, and then the support frame 11 drives the leveling plate 14 to move right through the support block 13. At this time, the leveling plate 14 moves right and downward, and the contact surface between the leveling plate 14 and the concrete is an inclined surface, so that the leveling plate 14 performs the leveling operation on the road at an inclined angle on the horizontal axis.

[0029] Further, the inner wall of the fixed ring 9 is rotatably connected with the connecting ring 15, the outer surface of the connecting ring 15 is fixedly installed with the sliding block 17, and the sliding block 17 is embeddedly connected to the inner wall of the fixed ring 9;

[0030] The user drives the sliding block 17 to rotate, and then the sliding block 17 drives the connecting ring 15 to rotate, so that the connecting ring 15 is embedded in the fixed ring 9. Then a gap is formed between the fixed ring 9 and the connecting plate 8, so that the elastic band 10 can be taken out conveniently. Then the elastic band 10 is knotted, so that the length of the elastic band 10 can be adjusted, and then the included angle between the support frame 11 and the connecting plate 8 can be adjusted, so that the inclination angle of the leveling plate 14 can be adjusted.

[0031] Further, the bottom of the base 1 is provided with universal wheel 19, and the top of the base 1 is provided with push handle 20;

[0032] The staff pushes the device through the push hand 20, and cooperates with the universal wheel 19, so that the device is conveniently moved, and the flexibility of the device is improved.

[0033] Please refer to Figure 2 、 Figure 5 and Figure 6 , the utility model provides an embodiment:

[0034] The bottom of the support frame 11 is provided with a connecting groove 12, the inner wall of the connecting groove 12 is overlapped with a support block 13, and the bottom of the support block 13 is fixedly installed with a trowelling plate 14.

[0035] The staff drives the trowelling plate 14 to rotate 90°, then drives the trowelling plate 14 to move downwards, then the trowelling plate 14 drives the support block 13 to rotate 90° and separate from the connecting groove 12, so that the trowelling plate 14 is taken out, and the trowelling plate 14 is conveniently cleaned or replaced.

[0036] Further, the support block 13 is T-shaped and is matched with the connecting groove 12, the trowelling plate 14 is V-shaped, and the trowelling plate 14 is overlapped with the bottom of the support frame 11, and the outer surface of the electric push rod 7 is fixedly connected with a sealing sleeve 16.

[0037] By setting the support block 13 to be T-shaped, when the support block 13 is embedded in the connecting groove 12, the trowelling plate 14 can be supported, and the V-shaped trowelling plate 14 reduces the possibility of damage, and the sealing sleeve 16 can protect the electric push rod 7, so that the concrete cannot enter the inside of the electric push rod 7, and the problem of damage of the electric push rod 7 is avoided.

[0038] The working principle is that when the concrete on the road is to be smoothed, the operator moves the base 1 to the surface to be smoothed, then starts the electric push rod 7, contacts the whole bottom surface of the smoothing plate 14 with the concrete, then starts the servo motor 4 to drive the rotating shaft 5 to rotate, then the electric push rod 7 moves rightwards along the outer surface of the rotating shaft 5 through the moving block 6, then the connecting plate 8 moves rightwards along with the electric push rod 7, drives the supporting frame 11 and the smoothing plate 14 to move rightwards, at this moment, the smoothing plate 14 moves rightwards and downwards, the supporting frame 11 and the connecting plate 8 have an included angle, the smoothing plate 14 is inclined, so that the contact surface of the smoothing plate 14 with the concrete is an inclined surface, the smoothing plate 14 is convenient to be used to smooth the road at a certain inclination angle on the horizontal shaft, the user drives the sliding block 17 to rotate, so that the connecting ring 15 is embedded into the fixing ring 9, a gap is formed between the fixing ring 9 and the connecting plate 8, the elastic belt 10 is convenient to be taken out, the elastic belt 10 is knotted, the length of the elastic belt 10 is adjusted, the included angle between the supporting frame 11 and the connecting plate 8 is adjusted, the inclination angle of the smoothing plate 14 is adjusted, the inclination angle of the road is convenient to be adjusted according to the actual requirement, the requirement of road drainage is ensured, in addition, the operator drives the smoothing plate 14 to rotate by 90°, then drives the smoothing plate 14 to move downwards, the supporting block 13 moves along, is separated from the connecting groove 12, so that the smoothing plate 14 is taken out from the equipment, the smoothing plate 14 is convenient to be cleaned or replaced.

[0039] It is obvious to a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A concrete construction ground trowelling device comprising a base (1) characterised in that: The top of the base (1) is provided with a fixed frame (2), and the bottom of the base (1) is provided with a square groove (3); A servo motor (4) is fixedly connected to the inner wall of the fixed frame (2), and the output end of the servo motor (4) is connected with a rotating shaft (5), the outer surface of the rotating shaft (5) is threadedly connected with a moving block (6), the bottom of the moving block (6) is fixedly installed with an electric push rod (7), the telescopic end of the electric push rod (7) is fixedly installed with a connecting plate (8), the both sides of the connecting plate (8) are fixedly installed with a fixed ring (9), the outer surface of the fixed ring (9) is inserted with an elastic band (10), the bottom of the connecting plate (8) is rotatably connected with a supporting frame (11), and the supporting frame (11) is rotatably connected to the inner wall of the elastic band (10).

2. A concrete construction screeding device as claimed in claim 1, wherein: The bottom of the supporting frame (11) is provided with a connecting groove (12), the inner wall of the connecting groove (12) is lapped with a supporting block (13), and the bottom of the supporting block (13) is fixedly installed with a smoothing plate (14).

3. A concrete construction screeding device as claimed in claim 1, wherein: The inner wall of the fixed ring (9) is rotatably connected with a connecting ring (15), and the outer surface of the electric push rod (7) is fixedly connected with a sealing sleeve (16).

4. A concrete construction screeding device as claimed in claim 3, wherein: The outer surface of the connecting ring (15) is fixedly installed with a sliding block (17), and the sliding block (17) is embeddedly connected to the inner wall of the fixed ring (9).

5. A concrete construction screeding device as claimed in claim 1, wherein: The inner wall of the fixed frame (2) is fixedly installed with a limiting rod (18), and the limiting rod (18) penetrates the inner wall of the moving block (6).

6. A concrete construction screeding device as claimed in claim 1, wherein: The bottom of the base (1) is provided with a universal wheel (19), and the top of the base (1) is provided with a push hand (20).

7. A concrete construction screeding device as claimed in claim 2, wherein: The supporting block (13) is T-shaped and block-shaped, and the supporting block (13) is matched with the connecting groove (12).

8. A concrete construction screeding device as claimed in claim 2, wherein: The smoothing plate (14) is V-shaped and block-shaped, and the smoothing plate (14) is lapped on the bottom of the supporting frame (11).

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