A concrete floor leveling device for building construction

Abstract

The utility model belongs to the technical field of building construction, and particularly relates to a concrete floor smoothing device for building construction; comprising: a support frame; a smoothing mechanism, arranged on the support frame, for smoothing the concrete floor; a rotating mechanism, arranged between a push handle and the smoothing mechanism, for adjusting the angle at which the smoothing mechanism smoothes the concrete floor; the rotating mechanism comprises: a universal seat, arranged on the left side of the push handle; a connecting plate, arranged on the upper and lower sides of the universal seat; a rotating shaft, rotatably arranged between two connecting plates; a rotating block, arranged on the rotating shaft; a supporting shaft, arranged at the front and rear ends of the rotating block; a fixed plate, arranged on the supporting shaft; a connecting seat, arranged between the left sides of the two fixed plates, the connecting seat being connected to the smoothing mechanism; a power unit, arranged on the universal seat, the power unit providing power to drive the rotating shaft to rotate. The utility model provides a concrete floor smoothing device for building construction capable of adjusting the smoothing angle.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a concrete floor leveling device for building construction. Background Art

[0002] Construction refers to the production activities in the implementation stage of engineering construction. It is the construction process of various buildings. It can also be said that it is the process of turning various lines on the design drawings into physical objects at designated locations. During the construction process, the concrete poured on the ground needs to be smoothed to make the concrete smoother. At present, concrete is generally smoothed with a shovel, which is inefficient.

[0003] The utility model patent with publication number CN215564227U discloses a concrete leveling device for construction, including a box body, a motor is provided at the upper end of the box body, a handrail is provided at the right end of the box body, a rotating shaft 1 is provided at the lower end of the motor, a bevel gear 1 is provided on the rotating shaft 1, bevel gear 2 is meshed at both the front and rear ends of the bevel gear 1, the bevel gear 2 is fixedly connected to the rotating shaft 2, a grinding disc is provided at the lower end of the rotating shaft, a plurality of transmission wheels 1 are provided on the rotating shaft 2, a belt is provided on the transmission wheel 1, and transmission wheels 2 are provided on the sides of the belt away from each other. The motor of the utility model drives the rotating shaft 1, the grinding disc, the bevel gear 1, the bevel gear 2, the rotating shaft 2, the transmission wheel 1, the belt, the transmission wheel 2, the rotating rod and the grinding plate to rotate, thereby realizing the leveling of concrete on the ground and the wall at the same time, which saves time and labor compared with manual work.

[0004] Although this technology can smooth concrete on the ground and walls at the same time to improve work efficiency, the smoothing work of this technology is relatively simple and the angle of the ground smoothing cannot be adjusted, which affects the smoothing effect. Utility Model Content

[0005] The utility model aims to solve the above-mentioned technical problems and provides a concrete floor leveling device for construction which can adjust the leveling angle.

[0006] In view of this, the utility model provides a concrete floor leveling device for construction, comprising:

[0007] Support frame;

[0008] A smoothing mechanism is provided on the support frame and is used for smoothing the concrete floor;

[0009] A push handle is provided on the smoothing mechanism and is used to push the smoothing mechanism to smooth the ground;

[0010] The rotating mechanism is arranged between the push handle and the smoothing mechanism, and is used to adjust the angle at which the smoothing mechanism smoothes the concrete floor;

[0011] The rotating mechanism comprises:

[0012] Universal seat, set on the left side of the push handle;

[0013] A connecting plate is arranged on the upper and lower sides of the universal seat;

[0014] A rotating shaft is rotatably arranged between the two connecting plates;

[0015] A rotating block is arranged on the rotating shaft;

[0016] Support shafts are arranged at the front and rear ends of the rotating block;

[0017] A fixed plate, arranged on the supporting shaft;

[0018] A connecting seat is arranged between the left sides of the two fixing plates, and the connecting seat is connected to the smoothing mechanism;

[0019] The power unit is arranged on the universal seat, and provides power to drive the rotating shaft to rotate.

[0020] In the above technical solution, further, the power unit includes:

[0021] A bracket, arranged on the top of the universal seat;

[0022] The motor is arranged on the bracket, and the motor output shaft is connected with the rotating shaft.

[0023] In any of the above technical solutions, further, the smoothing mechanism includes:

[0024] A support plate is arranged on the upper side of the support frame, and there are a plurality of support plates, which are evenly spaced and distributed along the circumferential direction;

[0025] A mounting frame is arranged between the plurality of support plates;

[0026] A motor is arranged on a mounting frame;

[0027] The connecting block is arranged on the right side of the motor, and the connecting seat is connected to the connecting block by bolt connection;

[0028] A connecting shaft is arranged on the output shaft of the motor;

[0029] A fixed block, arranged at the lower end of the connecting shaft;

[0030] The trowel is arranged on the fixed block. There are a plurality of trowels, which are evenly spaced and distributed along the circumferential direction of the fixed block.

[0031] In any of the above technical solutions, further, a trowel plate for increasing the trowel area is provided on the outer side of the support frame, and the bottom of the trowel plate is parallel to the trowel knife.

[0032] In any of the above technical solutions, further, the push handle includes at least one telescopic part, the telescopic part includes a fixed sleeve and a telescopic rod slidably matched with the fixed sleeve, the fixed sleeve is connected to the universal seat, and an adjustment mechanism is provided to adjust the relative position of the telescopic rod and the fixed sleeve.

[0033] In any of the above technical solutions, further, the regulating mechanism includes:

[0034] The gear holes are provided on the telescopic rod, and there are a plurality of gear holes which are evenly spaced along the length direction of the telescopic rod;

[0035] The mounting holes are provided on the front and rear sides of the fixing sleeve, and the two mounting holes are connected;

[0036] The latch passes through the mounting hole and the shift hole.

[0037] In any of the above technical solutions, further, a handle is provided at the upper end of the telescopic rod, and an anti-slip sleeve is provided on the outer side of the handle.

[0038] The beneficial effects of the utility model are:

[0039] 1. The motor is used as a driving force to drive the rotating shaft to rotate, so that the smoothing mechanism rotates as a whole, and the smoothing mechanism is adjusted to a suitable angle, so that the smoothing mechanism can adjust the angle in different construction scenarios to obtain the required ground flatness to meet the needs of different construction scenarios;

[0040] 2. The motor starts, the output shaft begins to rotate, and the rotational motion is transmitted to the fixed block through the transmission action of the connecting shaft, which in turn causes the trowel to rotate, thereby effectively smoothing the concrete floor. Push the push handle to evenly smooth the floor;

[0041] 3. The bottom of the trowel disc is parallel to the trowel knife, so that it contacts the ground, which expands the trowel area, allowing the device to effectively cover a larger construction area, improving construction efficiency and trowel quality;

[0042] 4. Fix the telescopic rod to the required gear hole through the pin. The pin passes through the mounting hole and the gear hole to ensure the relative position of the telescopic rod and the fixed sleeve, thereby adjusting the overall length of the push handle. This allows for flexible adjustment according to specific construction needs, improving construction efficiency and operational convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0044] Figure 2 It is a three-dimensional structural schematic diagram of the rotating mechanism of the utility model;

[0045] Figure 3This is a schematic diagram of the first three-dimensional structure of the smoothing mechanism of the utility model;

[0046] Figure 4 This is a second three-dimensional structural schematic diagram of the smoothing mechanism of the utility model;

[0047] Figure 5 It is a three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;

[0048] Figure 6 It is a partial three-dimensional structural schematic diagram of the adjustment mechanism of the utility model;

[0049] The reference numerals in the figure are: 1. support frame; 2. smoothing mechanism; 21. support plate; 22. mounting frame; 23. motor; 24. connecting block; 25. connecting shaft; 26. fixing block; 27. smoothing knife; 3. push handle; 4. rotating mechanism; 41. universal seat; 42. connecting plate; 43. rotating shaft; 44. rotating block; 45. supporting shaft; 46. fixing plate; 47. connecting seat; 48. power unit; 481. bracket; 482. motor; 5. smoothing disc; 6. telescopic member; 61. fixing sleeve; 62. telescopic rod; 7. adjusting mechanism; 71. gear hole; 72. mounting hole; 73. latch; 8. handle; 9. anti-slip cover. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0051] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0052] Embodiment 1:

[0053] like Figure 1 and Figure 2As shown, this embodiment provides a concrete floor leveling device for construction, comprising:

[0054] Support frame 1;

[0055] The smoothing mechanism 2 is arranged on the support frame 1 and is used for smoothing the concrete floor;

[0056] A push handle 3 is provided on the smoothing mechanism 2 and is used to push the smoothing mechanism 2 to smooth the ground;

[0057] The rotating mechanism 4 is arranged between the push handle 3 and the smoothing mechanism 2, and is used to adjust the angle at which the smoothing mechanism 2 smoothes the concrete floor;

[0058] The rotating mechanism 4 comprises:

[0059] A universal seat 41, disposed on the left side of the push handle 3;

[0060] The connecting plate 42 is arranged on the upper and lower sides of the universal seat 41;

[0061] A rotating shaft 43 is rotatably disposed between the two connecting plates 42;

[0062] A rotating block 44 is disposed on the rotating shaft 43;

[0063] Support shafts 45 are provided at the front and rear ends of the rotating block 44;

[0064] A fixing plate 46 is disposed on the supporting shaft 45;

[0065] A connecting seat 47 is disposed between the left sides of the two fixing plates 46, and the connecting seat 47 is connected to the smoothing mechanism 2;

[0066] The power unit 48 is disposed on the universal seat 41 , and provides power to drive the rotating shaft 43 to rotate.

[0067] In the present technical solution, the support frame 1 provides a stable support platform to ensure that the entire device maintains a stable position during the construction process. The smoothing mechanism 2 is located on the support frame 1 and is used to smooth the concrete floor. The push handle 3 is provided on the smoothing mechanism 2 and is used to push the smoothing mechanism 2 to smooth the floor. The push handle 3 provides a handle for construction workers to operate, so that they can easily control the movement of the device during the construction process. The rotating mechanism 4 is located between the push handle 3 and the smoothing mechanism 2 and is used to adjust the angle of the smoothing mechanism 2 for smoothing the concrete floor. This helps to adjust the angle of the smoothing mechanism 2 in different construction scenarios to obtain the desired floor flatness. The rotating mechanism 4 includes: a universal seat 41 is arranged on the left side of the push handle 3, providing basic support for the rotating mechanism 4, a connecting plate 42 is arranged on the upper and lower sides of the universal seat 41, and is used to connect the rotating shaft 43, the rotating shaft 43 is located between the connecting plates 42, and is the core component of the rotating mechanism 4, which can make the smoothing mechanism 2 rotate around its axis, a rotating block 44 is arranged on the rotating shaft 43, as an intermediate piece connecting the smoothing mechanism 2, a support shaft 45 is arranged at the front and rear ends of the rotating block 44, and provides additional support for the rotating mechanism 4, a fixed plate 46: arranged on the support shaft 45, used to fix the connecting seat 47, the connecting seat 47 is connected between the left sides of the two fixed plates 46, and connects the rotating mechanism 4 with the smoothing mechanism 2, and the power unit 48 provides power for the rotating mechanism 4, so that the rotating shaft 43 can drive the smoothing mechanism 2 to rotate.

[0068] When the concrete floor needs to be smoothed, the device is first carried to the place where smoothing is required, and then the concrete floor is smoothed by the smoothing mechanism 2. The user pushes the push handle 3 to move the device to evenly smooth the concrete floor. During the smoothing process, the angle of smoothing the floor needs to be adjusted. At this time, the user starts the power unit 48, and the power unit 48 provides power to drive the rotating shaft 43 to rotate, the rotating shaft 43 drives the rotating block 44 to rotate, the rotating block 44 drives the supporting shaft 45 to rotate, the supporting shaft 45 drives the fixing plate 46 to rotate, and the fixing plate 46 drives the connecting seat 47 to rotate. When the connecting seat 47 is moved, the smoothing mechanism 2 is driven to rotate, thereby adjusting the angle of the smoothing mechanism 2 for smoothing the ground, so that the smoothing mechanism 2 can adjust the angle in different construction scenes to obtain the required ground flatness. When the angle of the smoothing mechanism 2 is adjusted, the power unit 48 is turned off, and the smoothing mechanism 2 continues to smooth the concrete floor. In this way, the user can operate the push handle 3 to push the smoothing mechanism 2 to smooth the concrete floor, and adjust the angle of the smoothing mechanism 2 through the rotating mechanism 4 to meet the needs in different construction scenes, thereby achieving a flat ground effect.

[0069] like Figure 1 and Figure 2 As shown, in this embodiment, the power unit 48 is optimized to include:

[0070] A bracket 481 is disposed on the top of the universal seat 41;

[0071] The motor 482 is disposed on the bracket 481 , and the output shaft of the motor 482 is connected to the rotating shaft 43 .

[0072] In the present technical solution, when it is necessary to adjust the angle of the smoothing mechanism 2 for smoothing the ground, start the motor 482, the output shaft of the motor 482 drives the rotating shaft 43 to rotate, the rotating shaft 43 drives the rotating block 44 to rotate, the rotating block 44 drives the supporting shaft 45 to rotate, the supporting shaft 45 drives the fixing plate 46 to rotate, the fixing plate 46 drives the connecting seat 47 to rotate, the connecting seat 47 drives the smoothing mechanism 2 to rotate, and adjust the smoothing mechanism 2 to a suitable angle, so that the smoothing mechanism 2 can adjust the angle in different construction scenarios to obtain the required ground flatness. When the smoothing mechanism 2 is adjusted to a suitable position, turn off the motor 482 to keep it in the correct position, so that the smoothing mechanism 2 can be driven to adjust to the required angle for smoothing the concrete floor.

[0073] Embodiment 2:

[0074] This embodiment provides a concrete floor leveling device for construction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0075] like Figure 1 , Figure 3 and Figure 4 As shown, in this embodiment, the optimized smoothing mechanism 2 includes:

[0076] A support plate 21 is disposed on the upper side of the support frame 1. There are multiple support plates 21, which are evenly spaced and distributed along the circumferential direction.

[0077] A mounting frame 22, disposed between the plurality of support plates 21;

[0078] The motor 23 is arranged on the mounting frame 22;

[0079] The connecting block 24 is arranged on the right side of the motor 23, and the connecting seat 47 is connected to the connecting block 24 by bolt connection;

[0080] A connecting shaft 25 is arranged on the output shaft of the motor 23;

[0081] A fixing block 26 is disposed at the lower end of the connecting shaft 25;

[0082] The trowel blade 27 is disposed on the fixed block 26 . There are a plurality of trowel blades 27 , which are evenly spaced apart along the circumferential direction of the fixed block 26 .

[0083] In the present technical solution, the support plate 21 is arranged on the upper side of the support frame 1 and is evenly spaced along the circumferential direction, providing basic support for the smoothing mechanism 2. The mounting frame 22 is arranged between the plurality of support plates 21 for supporting and fixing other components. The motor 23 is arranged on the mounting frame 22 and is the power source of the smoothing mechanism 2. It drives the rotation of the connecting shaft 25 by rotating the output shaft, thereby driving the subsequent smoothing work. The connecting block 24 is arranged on the right side of the motor 23, and the connecting seat 47 is connected to the connecting block 24 by bolt connection. This ensures a stable connection between the motor 23 and subsequent components. The connecting shaft 25 is arranged on the output shaft of the motor 23. It is a transmission component for the output power of the motor 23, and transmits the rotational motion of the motor 23 to the subsequent fixed block 26. The fixed block 26 is arranged at the lower end of the connecting shaft 25, and the smoothing knife 27 is arranged on the fixed block 26. There are multiple smoothing knives 27, which are evenly spaced along the circumferential direction of the fixed block 26. The position and structure of the fixed block 26 ensure that the smoothing knife 27 is firmly fixed, so as to perform the smoothing work of the concrete floor.

[0084] Working principle: When the motor 23 is started, the output shaft begins to rotate, and through the transmission action of the connecting shaft 25, the rotational motion is transmitted to the fixed block 26, thereby rotating the trowel 27. Since the trowels 27 are evenly spaced along the circumferential direction of the fixed block 26, their rotation forms a continuous trowel surface, thereby effectively smoothing the concrete floor. During the whole process, the support plate 21 and the mounting frame 22 provide the necessary support and stability to ensure the normal operation of the smoothing mechanism 2. By adjusting the angle of the trowel 27, it can adapt to different construction scenarios to obtain the required ground flatness. The user pushes the push handle 3 to move the device on the concrete floor, thereby evenly smoothing the floor. When the smoothing work is completed, turn off the motor 23, so that the concrete floor can be evenly smoothed to obtain the required ground flatness.

[0085] Embodiment 3:

[0086] This embodiment provides a concrete floor leveling device for construction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0087] like Figure 1 , Figure 3 and Figure 4 As shown, in this embodiment, in an optimized manner, a trowel disc 5 for increasing the trowel area is provided on the outer side of the support frame 1 , and the bottom of the trowel disc 5 is parallel to the trowel knife 27 .

[0088] In the present technical solution, the support frame 1 serves as the main supporting structure of the entire device, and the trowel disc 5 located on the outside thereof is used to increase the troweling area. The bottom of the trowel disc 5 is parallel to the trowel knife 27, which means that the trowel disc 5 will contact the concrete floor during the troweling process, thereby expanding the working range and efficiency of the troweling. The trowel knife 27 is a key component for leveling the concrete floor. It is located between the support frame 1 and the trowel disc 5, and is evenly spaced along the circumference of the fixed block 26. The trowel knife 27 is in contact with the concrete floor during operation to trim the unevenness of the concrete surface to achieve a leveling effect on the floor. When the device is started, the motor 23 drives the trowel 27 to rotate, and at the same time, the bottom of the trowel disc 5 is parallel to the trowel 27, so that it contacts the ground, thereby expanding the troweling area and ensuring the flatness of the entire concrete floor. When the trowel 27 rotates, it contacts the concrete floor and trims the uneven parts to be consistent with the surrounding flat parts, thereby completing the troweling work of the floor. During the whole process, the design of the support frame 1 and the trowel disc 5 enables the device to effectively cover a larger construction area, thereby improving construction efficiency and troweling quality.

[0089] Embodiment 4:

[0090] This embodiment provides a concrete floor leveling device for construction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0091] like Figure 1 , Figure 5 and Figure 6 As shown, in the present embodiment, the push handle 3 is optimized to include at least one telescopic member 6, the telescopic member 6 includes a fixed sleeve 61 and a telescopic rod 62 slidably matched with the fixed sleeve 61, the fixed sleeve 61 is connected to the universal seat 41, and an adjustment mechanism 7 is provided for adjusting the relative position of the telescopic rod 62 and the fixed sleeve 61.

[0092] like Figure 1 , Figure 5 and Figure 6 As shown, in this embodiment, the adjustment mechanism 7 is optimized to include:

[0093] A gear hole 71 is provided on the telescopic rod 62. There are a plurality of gear holes 71, which are evenly spaced along the length direction of the telescopic rod 62.

[0094] The mounting holes 72 are provided at the front and rear sides of the fixing sleeve 61, and the two mounting holes 72 are connected;

[0095] The latch pin 73 passes through the mounting hole 72 and the shift hole 71 .

[0096] In the present technical solution, the push handle 3 is a component for operating and controlling the trowel device, and is characterized in that at least one telescopic member 6 is designed, and the telescopic member 6 includes a fixed sleeve 61 and a telescopic rod 62 slidably matched therewith, the fixed sleeve 61 is connected to the universal seat 41, and the telescopic rod 62 can slide in the fixed sleeve 61, so as to adjust the length of the push handle 3. In order to adjust the relative position between the telescopic rod 62 and the fixed sleeve 61, a special adjustment mechanism 7 is designed, and the adjustment mechanism 7 includes the following components:

[0097] The gear holes 71 are located on the telescopic rod 62 and are provided in plurality and are evenly spaced along the length direction of the telescopic rod 62. The gear holes 71 are used to lock the telescopic rod 62 at different positions to adjust the length of the push handle 3.

[0098] Mounting holes 72 : located at the front and rear sides of the fixing sleeve 61 , the two mounting holes 72 are connected, and the mounting holes 72 are used to cooperate with the latch 73 to fix the position of the latch 73 .

[0099] The latch pin 73 passes through the mounting hole 72 and the gear hole 71 , and controls the length of the push handle 3 by fixing the positions of the telescopic rod 62 and the fixing sleeve 61 .

[0100] Here’s how it works:

[0101] When the length of the push handle 3 needs to be adjusted, the user can fix the telescopic rod 62 on the required gear hole 71 through the pin 73. The pin 73 passes through the mounting hole 72 and the gear hole 71, ensuring the relative position of the telescopic rod 62 and the fixed sleeve 61. In this way, by moving the pin 73 to different gear holes 71, the length of the telescopic rod 62 can be adjusted, thereby adjusting the overall length of the push handle 3. This design allows the push handle 3 to be flexibly adjusted according to specific construction needs, thereby improving construction efficiency and operational convenience.

[0102] Embodiment 5:

[0103] This embodiment provides a concrete floor leveling device for construction, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0104] like Figure 1 and Figure 5 As shown, in this embodiment, it is optimized that a handle 8 is provided at the upper end of the telescopic rod 62, and an anti-slip sleeve 9 is provided on the outer side of the handle 8.

[0105] In the present technical solution, a handle 8 is provided on the telescopic rod 62 so that the user can push the handle 8 to move the entire device on the concrete floor, and an anti-slip sleeve 9 is provided on the outside of the handle 8. The anti-slip sleeve 9 can prevent the user from slipping when operating the handle 8, thereby making the operation more stable.

[0106] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A concrete floor leveling device for construction, characterized in that: include: Support frame (1); A smoothing mechanism (2), arranged on the support frame (1), for smoothing the concrete floor; A push handle (3) is arranged on the smoothing mechanism (2) and is used to push the smoothing mechanism (2) to smooth the ground surface; A rotating mechanism (4) is arranged between the push handle (3) and the smoothing mechanism (2) and is used to adjust the angle at which the smoothing mechanism (2) smoothes the concrete floor; The rotating mechanism (4) comprises: A universal seat (41) is arranged on the left side of the push handle (3); A connecting plate (42) is arranged on the upper and lower sides of the universal seat (41); A rotating shaft (43) is rotatably disposed between the two connecting plates (42); A rotating block (44) is arranged on the rotating shaft (43); A support shaft (45) is arranged at the front and rear ends of the rotating block (44); A fixing plate (46) is arranged on the supporting shaft (45); A connecting seat (47) is arranged between the left sides of the two fixing plates (46), and the connecting seat (47) is connected to the smoothing mechanism (2); The power unit (48) is arranged on the universal seat (41), and the power unit (48) provides power to drive the rotating shaft (43) to rotate.

2. A concrete floor leveling device for construction according to claim 1, characterized in that: The power unit (48) comprises: A bracket (481) is arranged on the top of the universal seat (41); The motor (482) is arranged on the bracket (481), and the output shaft of the motor (482) is connected to the rotating shaft (43).

3. A concrete floor leveling device for construction according to claim 1, characterized in that: The smoothing mechanism (2) comprises: A support plate (21) is arranged on the upper inner side of the support frame (1), wherein the support plates (21) are provided in plurality and are evenly spaced and distributed in a circumferential direction; A mounting frame (22) is arranged between the plurality of support plates (21); A motor (23) is arranged on the mounting frame (22); A connecting block (24) is arranged on the right side of the motor (23), and the connecting seat (47) is connected to the connecting block (24) by bolt connection; A connecting shaft (25) is arranged on the output shaft of the motor (23); A fixed block (26) is arranged at the lower end of the connecting shaft (25); A trowel (27) is arranged on the fixed block (26); there are a plurality of trowels (27) which are evenly spaced and distributed along the circumferential direction of the fixed block (26).

4. A concrete floor leveling device for construction according to claim 3, characterized in that: A smoothing disc (5) for increasing the smoothing area is provided on the outside of the support frame (1), and the bottom of the smoothing disc (5) is parallel to the smoothing knife (27).

5. A concrete floor leveling device for construction according to claim 1, characterized in that: The push handle (3) includes at least one telescopic member (6), the telescopic member (6) includes a fixed sleeve (61) and a telescopic rod (62) slidably matched with the fixed sleeve (61), the fixed sleeve (61) is connected to the universal seat (41), and an adjustment mechanism (7) is provided for adjusting the relative position of the telescopic rod (62) and the fixed sleeve (61).

6. A concrete floor leveling device for construction according to claim 5, characterized in that: The regulating mechanism (7) comprises: A gear hole (71) is formed on the telescopic rod (62), wherein the gear hole (71) is provided in a plurality and is evenly spaced along the length direction of the telescopic rod (62); Mounting holes (72) are provided on both sides of the fixing sleeve (61), and the two mounting holes (72) are connected. A latch pin (73) passes through the mounting hole (72) and the gear position hole (71).

7. A concrete floor leveling device for construction according to claim 5, characterized in that: A handle (8) is provided at the upper end of the telescopic rod (62), and an anti-slip sleeve (9) is sleeved on the outer side of the handle (8).

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