Concrete trowelling device

Abstract

The utility model discloses a concrete trowelling device, which belongs to the technical field of concrete processing, and comprises a trowelling machine, a rotating impeller and a protective fence, the bottom side of the protective fence is fixedly connected with a connecting ring, the upper side of the trowelling machine is fixedly connected with a supporting plate, the supporting plate is fixedly connected with a driving motor, and the driving motor is fixedly connected with the rotating impeller. The output end of the driving motor is fixedly connected with a screw rod, the screw rod is in threaded connection with a moving frame, protrusions are integrally formed on the two sides of the bottom end of the moving frame through casting, the two sides of the bottom end of each protrusion are fixedly connected with connecting frames, and the bottom sides of the connecting frames are rotationally connected with sliding wheels through rotating shafts; the pulley capable of moving up and down is arranged on the outer side of the trowelling machine, so that the trowelling machine can be in a suspended state when the trowelling machine moves, direct contact between a rotating impeller and the ground of a site is avoided, and the rotating impeller is prevented from being scratched or damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete processing, in particular to a concrete leveling device. Background Art

[0002] When constructing a large site, cement is used as the binder, sand and gravel are used as aggregates, water is added and mixed into concrete, which is then laid on the ground and smoothed with a trowel in the subsequent process.

[0003] According to the "Automatic Concrete Smoothing Device" with Chinese Patent Publication No. CN217439573U, it mainly describes that the piston rod of the hydraulic cylinder is controlled to extend, driving the lifting rod to move downward, so that the trowel plate is compacted with the concrete floor, and the driven gear is driven to rotate by the driving mechanism, driving the lifting rod to rotate, and then driving the trowel plate to rotate to smooth the floor, and the leveling efficiency is high. In this process, walking wheels are installed on the outside of the machine, causing the leveling blades or the trowel plate to contact the ground when it moves outside the site, resulting in scratches or damage, resulting in poor leveling effect.

[0004] Therefore, a concrete leveling device is proposed to solve the problem that during this process, traveling wheels are installed on the outside of the machine, causing the leveling blades or the leveling plate to contact the ground when moving outside the site, thereby causing scratches or damage, resulting in poor leveling effect. Utility Model Content

[0005] The technical problem to be solved by the utility model is that when the traveling wheels move outside the field, the smoothing effect will be poor, so a concrete smoothing device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a concrete smoothing device, including a smoothing machine, a rotating impeller and a protective fence, the bottom side of the protective fence is fixedly connected with a connecting ring, the upper side of the smoothing machine is fixedly connected with a support plate, the support plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a screw, the screw is threadedly connected with a moving frame, both sides of the bottom end of the moving frame are integrally formed with protrusions by casting, both sides of the bottom end of the protrusion are fixedly connected with connecting frames, and the bottom side of the connecting frame is rotatably connected with a pulley via a rotating shaft.

[0007] As a preferred technical solution of the utility model, a protrusion is contacted in the connecting frame, and the protrusion is integrally formed with the connecting ring through casting, which can provide a limiting effect and maintain the stability of the connecting ring.

[0008] As a preferred technical solution of the utility model, balls are rotatably embedded on both sides of the protrusion that are away from each other, and the balls are in contact with the inner wall of the connection frame, which can reduce the friction between the protrusion and the connection frame.

[0009] As a preferred technical solution of the utility model, the upper end of the protrusion is fixedly connected to a limiting rod, and the limiting rod is inserted into the moving frame and fixedly connected to the bottom side of the support plate, which can improve the stability of the device when moving.

[0010] As a preferred technical solution of the utility model, an adjusting rod is threadedly connected to the connecting frame, and a clamping plate is rotatably connected to the bottom end of the adjusting rod through a bearing. The clamping plate contacts the inner wall of the connecting frame, so as to maintain stability when idle.

[0011] The utility model has the following advantages: by arranging a pulley that can move up and down on the outside of the trowel, the trowel can be suspended when the device moves, thereby avoiding direct contact between the rotating impeller and the ground surface of the site, preventing the rotating impeller from being scratched or damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side cross-sectional structural schematic diagram of a concrete leveling device according to a preferred embodiment of the utility model;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of a screw rod of a concrete leveling device according to a preferred embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the enlarged structure of point A of a concrete leveling device in a preferred embodiment of the utility model.

[0015] Explanation of the accompanying reference numerals: 1. Smoothing machine; 2. Rotating impeller; 3. Protective fence; 4. Connecting ring; 5. Support plate; 6. Driving motor; 7. Screw; 8. Moving frame; 9. Connecting frame; 10. Pulley; 11. Bump; 12. Limit rod; 13. Ball; 14. Adjusting rod; 15. Card plate. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Please refer to Figure 1-3A concrete smoothing device shown in the figure includes a smoothing machine 1, a rotating impeller 2 and a protective fence 3. The upper end of the smoothing machine 1 includes a controller of an XY axis moving device (this is a common structure of the smoothing machine 1). The protective fence 3 is fixedly connected to the bottom side of the smoothing machine 1. The rotating impeller 2 is driven by a rotating motor and can drive the rotating impeller 2 to rotate. A connecting ring 4 is fixedly connected to the bottom side of the protective fence 3. The connecting ring 4 is composed of two straight lines and two semicircular arcs. The connecting ring 4 is located on the outer side of the rotating impeller 2 to protect the impeller. A support plate 5 is fixedly connected to the upper side of the smoothing machine 1. The support plate 5 is fixed A driving motor 6 is connected, and a screw rod 7 is fixedly connected to the output end of the driving motor 6. A moving frame 8 is threadedly connected to the screw rod 7. Both sides of the bottom end of the moving frame 8 are integrally formed with protrusions through casting, and both sides of the bottom end of the protrusions are fixedly connected with connecting frames 9. The bottom side of the connecting frame 9 is rotatably connected to a pulley 10 through a rotating shaft. The screw rod 7 is driven to rotate by the rotation of the driving motor 6, and the moving frame 8 is moved up and down, so that the pulley 10 contacts the ground. At the same time, the rotating impeller 2 is in a suspended state. When the mobile device is in motion, the smoothing machine 1 and the rotating impeller 2 can be protected to prevent the rotating impeller 2 from being damaged.

[0018] The connection ring 4 is integrally formed with the protrusion 11 by casting, and the protrusion 11 is in contact with the connection frame 9 . By providing the protrusion 11 , the protrusion 11 can be moved up and down in the connection frame 9 to keep the connection ring 4 stable.

[0019] The inner wall of the connection frame 9 contacts the ball 13 , and the ball 13 is rotatably embedded in two sides of the protrusion 11 that are away from each other. By providing the ball 13 , the contact friction can be reduced.

[0020] Among them, the bottom side of the support plate 5 is fixedly connected to the limit rod 12, the limit rod 12 is inserted into the moving frame 8, and the limit rod 12 is fixedly connected to the upper end of the protrusion 11. By setting the limit rod 12, support can be provided for the moving frame 8 and the connecting ring 4 to maintain the stability of the pulley 10 when moving.

[0021] Among them, the inner wall of the connecting frame 9 is in contact with the clamping plate 15, the clamping plate 15 is rotatably connected to the bottom end of the adjusting rod 14 through a bearing, and the adjusting rod 14 is threadedly connected to the connecting frame 9. By setting the adjusting rod 14 and the clamping plate 15, the trowel machine 1 can remain stable when idle.

[0022] Working principle: When the trowel 1 moves outside the site, start the drive motor 6 to drive the screw 7 to rotate, and make the moving frame 8 move downward, prompting the ball 13 to contact the inner wall of the connecting frame 9, reducing the friction when the protrusion 11 moves, and making the pulley 10 contact the ground, and then rotate the adjusting rod 14 to drive the clamping plate 15 to move upward, and the pulley 10 is in an unrestricted state. At this time, the rotating impeller 2 is in a suspended state, which can facilitate the protection of the rotating impeller 2 during the movement, and under the action of the limit rod 12, the movement of the moving frame 8 and the connecting frame 9 can remain stable.

[0023] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0024] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A concrete leveling device, comprising a leveling machine, a rotating impeller and a protective fence, characterized in that: A connecting ring is fixedly connected to the bottom side of the protective fence, a support plate is fixedly connected to the upper side of the trowel, a driving motor is fixedly connected to the support plate, a screw is fixedly connected to the output end of the driving motor, a moving frame is threadedly connected to the screw, protrusions are integrally formed on both sides of the bottom end of the moving frame by casting, connecting frames are fixedly connected to both sides of the bottom end of the protrusion, and a pulley is rotatably connected to the bottom side of the connecting frame via a rotating shaft.

2. A concrete leveling device as claimed in claim 1, characterized in that: A convex block is contacted in the connection frame, and the convex block is integrally formed with the connection ring through casting.

3. A concrete leveling device as claimed in claim 2, characterized in that: Round balls are rotatably embedded on two sides of the protrusion that are away from each other, and the round balls are in contact with the inner wall of the connection frame.

4. A concrete leveling device as claimed in claim 3, characterized in that: The upper end of the protrusion is fixedly connected to a limiting rod, and the limiting rod is inserted into the moving frame and fixedly connected to the bottom side of the supporting plate.

5. A concrete leveling device as claimed in claim 4, characterized in that: An adjusting rod is threadedly connected to the connection frame, and a clamping plate is rotatably connected to the bottom end of the adjusting rod through a bearing, and the clamping plate is in contact with the inner wall of the connection frame.

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