Troweling machine convenient to move

Abstract

The troweling machine convenient to move comprises a base, walking wheels are arranged at the bottom of the base, a rotating shaft is arranged in the middle of the base in a rotating mode, the rotating shaft can stretch out and draw back up and down, a troweling plate is arranged at the lower end of the rotating shaft, and a protective cover is arranged outside the troweling plate. The protective cover is arranged on the rotating shaft and can synchronously ascend and descend along with the rotating shaft, the protective cover does not rotate along with the rotating shaft, a seat is arranged at the upper end of the base, a rotating driving device is arranged between the base and the seat, and height adjusting devices are arranged on the rotating shaft and the base. The utility model belongs to the technical field of troweling machines, and particularly relates to a troweling machine convenient to move, which solves the problems that when the conventional troweling machine is used for troweling the ground, the height of a troweling plate is inconvenient to adjust, and the conventional troweling machine is inconvenient to walk and steer in a troweling state.

Description

Technical Field

[0001] The utility model belongs to the technical field of trowel machines, in particular to a trowel machine which is easy to move. Background Art

[0002] The trowel machine is also called a cement finishing machine. Its main structure is a trowel rotor driven by a motor or a gasoline engine. There are multiple trowels installed on the cross ground in the middle of the rotor. The inclination direction of the trowel is consistent with the rotation direction of the rotor. The trowel machine is a tool for rough and fine finishing of concrete surfaces. The surface constructed by the machine is smoother and flatter than the surface constructed by manual labor. It can greatly improve the density and wear resistance of the concrete surface, and improve the work efficiency by more than 10 times compared with manual operation. Although the electric trowel used in this construction can improve the work efficiency compared with manual troweling.

[0003] The prior art trowel machine generally has a control rod connected to a fixed frame, and a trowel plate is rotated in the fixed frame for troweling. There are some shortcomings: the height of the trowel plate is not easy to adjust, and the trowel plate is not easy to move and turn when rotating and troweling. Therefore, improvements are needed. Utility Model Content

[0004] The technical problem to be solved by the utility model is that it is inconvenient for the existing trowel machine to adjust the height of the trowel plate when troweling the ground, and it is inconvenient for the trowel machine to walk and turn when troweling.

[0005] In order to realize the above functions, the technical scheme adopted by the utility model is as follows: a portable trowel machine, comprising a base, a walking wheel is arranged at the bottom of the base, a rotating shaft is arranged in the middle of the base, the rotating shaft can be extended and retracted up and down, a trowel plate is arranged at the lower end of the rotating shaft, a protective cover is arranged on the outer side of the trowel plate, the protective cover is arranged on the rotating shaft and can be synchronously raised and lowered with the rotating shaft, the protective cover does not rotate with the rotating shaft, a seat is arranged at the upper end of the base, a rotating driving device is arranged between the base and the seat, and a height adjustment device is arranged on the rotating shaft and the base; The height adjustment device includes a connecting ring, which is fixedly connected to the outer ring of the rotating shaft, and a slide groove is provided in the connecting ring. A hydraulic cylinder is fixedly connected to the base, and a connecting plate is provided at the output end of the hydraulic cylinder. A connecting column is provided at the other end of the connecting plate, and the connecting column is located in the slide groove. A limit column is provided at the lower end of the connecting column, and the limit column is located in the side wall of the slide groove. A guide rod is provided on the base, and the guide rod passes through the connecting plate. The connecting plate can drive the connecting column to rise and fall through the hydraulic cylinder, and the connecting column can drive the rotating shaft to rise and fall, thereby realizing the height adjustment of the polishing plate.

[0006] Furthermore, the rotary drive device includes a motor, which is arranged on a base. A gear column is provided at the output end of the motor. The gear column rotates on the lower end surface of the seat. A gear is provided at the upper end of the rotating shaft. The gear and the gear column are always in a meshing relationship. By rotating the gear column, the gear column meshes with the gear to rotate, thereby realizing the polishing of the ground by the polishing plate. When the gear is raised or lowered, the gear will always be in a meshing relationship with the gear column.

[0007] Preferably, an end plate is provided at the upper end of the guide rod, and the end plate can prevent the connecting plate from detaching from the guide rod.

[0008] Preferably, the slide groove is a circular groove and is coaxial with the rotating shaft.

[0009] Preferably, the running wheels are provided in multiple groups at the bottom of the base and are universal running wheels.

[0010] The utility model adopts the above structure to achieve the following beneficial effects:

[0011] 1. The utility model can realize flexible adjustment of the height of the trowel plate by arranging a height adjustment device, which is suitable for adjusting the trowel thickness when troweling the ground.

[0012] 2. The utility model can ensure that the trowel plate can rotate when the height is adjusted by providing a rotation drive device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an overall three-dimensional diagram of a trowel machine that is easy to move according to the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0015] Figure 3 for Figure 2 Schematic diagram of the lower end of the middle connecting column.

[0016] Among them, 1. base, 2. walking wheel, 3. rotating shaft, 4. polishing plate, 5. protective cover, 6. seat, 7. rotary drive device, 8. height adjustment device, 9. connecting ring, 10. slide groove, 11. hydraulic cylinder, 12. connecting plate, 13. connecting column, 14. limiting column, 15. guide rod, 16. motor, 17. gear column, 18. gear, 19. end plate. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0018] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0019] like Figure 1-3 The utility model is a kind of trowel machine which is easy to move, including a base 1, a travel wheel 2 is arranged at the bottom of the base 1, and the travel wheel 2 is provided with a plurality of groups of universal travel wheels 2 at the bottom of the base 1, a rotating shaft 3 is rotatably arranged in the middle of the base 1, the rotating shaft 3 can be extended and retracted up and down, a trowel plate 4 is arranged at the lower end of the rotating shaft 3, a protective cover 5 is arranged on the outer side of the trowel plate 4, the protective cover 5 is arranged on the rotating shaft 3 and can be synchronously lifted and lowered with the rotating shaft 3, and the protective cover 5 does not rotate with the rotating shaft 3, a seat 6 is arranged at the upper end of the base 1, a rotating driving device 7 is arranged between the base 1 and the seat 6, and a height adjustment device 8 is arranged on the rotating shaft 3 and the base 1;

[0020] like Figure 1-3 The height adjustment device 8 includes a connecting ring 9, which is fixedly connected to the outer ring of the rotating shaft 3. A slide groove 10 is provided in the connecting ring 9. A hydraulic cylinder 11 is fixedly connected to the base 1. A connecting plate 12 is provided at the output end of the hydraulic cylinder 11. A connecting column 13 is provided at the other end of the connecting plate 12. The connecting column 13 is located in the slide groove 10. The slide groove 10 is a circular groove and is coaxial with the rotating shaft 3. A limit column 14 is provided at the lower end of the connecting column 13. The limit column 14 is located in the side wall of the slide groove 10. A guide rod 15 is provided on the base 1. The guide rod 15 runs through the connecting plate 12. An end plate 19 is provided at the upper end of the guide rod 15. The end plate 19 can prevent the connecting plate 12 from detaching from the guide rod 15. The connecting plate 12 can drive the connecting column 13 to rise and fall through the hydraulic cylinder 11. The connecting column 13 can drive the rotating shaft 3 to rise and fall, thereby realizing the height adjustment of the trowel plate 4.

[0021] like Figure 1The rotation driving device 7 includes a motor 16, which is arranged on the base 1. A gear column 17 is arranged at the output end of the motor 16. The gear column 17 rotates on the lower end surface of the seat 6. A gear 18 is arranged at the upper end of the rotating shaft 3. The gear 18 and the gear column 17 are always in a meshing relationship. By rotating the gear column 17, the gear column 17 meshes with the gear 18 to rotate, so that the trowel board 4 can smooth the ground. When the gear 18 is raised or lowered, the gear 18 will always be in a meshing relationship with the gear column 17.

[0022] During specific use, the walking wheel 2 can be used to move freely, and the polishing plate 4 can move freely when polishing. Start the motor 16, the gear column 17 will rotate, and the gear column 17 is a columnar gear 18. The gear column 17 will engage the gear 18 to rotate, and the gear 18 will drive the rotating shaft 3 to rotate, and the rotating shaft 3 will drive the polishing plate 4 to polish the ground. During the rotation of the rotating shaft 3, the connecting ring 9 will rotate on the connecting column 13, and the limit column 14 at the lower end of the connecting column 13 will limit the up and down movement of the connecting ring 9.

[0023] When the height of the trowel plate 4 needs to be adjusted, by starting the hydraulic cylinder 11, the connecting plate 12 will drive the connecting column 13 to rise and fall, the connecting plate 12 will slide on the guide rod 15, and the connecting column 13 will pull the connecting ring 9 to rise and fall, so as to achieve the lifting and lowering of the trowel plate 4, thereby achieving the purpose of adjusting the height of the trowel plate 4. During the lifting and lowering of the rotating shaft 3, the gear 18 will always be engaged with the gear column 17, and will not affect the rotation of the rotating shaft 3.

[0024] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A portable trowel, comprising a base, characterized in that: A walking wheel is provided at the bottom of the base, a rotating shaft is rotatably provided in the middle of the base, the rotating shaft can be extended and retracted up and down, a polishing plate is provided at the lower end of the rotating shaft, a protective cover is provided on the outside of the polishing plate, the protective cover is provided on the rotating shaft and can be raised and lowered synchronously with the rotating shaft, the protective cover does not rotate with the rotating shaft, a seat is provided at the upper end of the base, a rotating drive device is provided between the base and the seat, and a height adjustment device is provided on the rotating shaft and the base.

2. A portable trowel according to claim 1, characterized in that: The height adjustment device includes a connecting ring, which is fixedly connected to the outer ring of the rotating shaft, and a slide groove is provided in the connecting ring. A hydraulic cylinder is fixedly connected to the base, and a connecting plate is provided at the output end of the hydraulic cylinder. A connecting column is provided at the other end of the connecting plate, and the connecting column is located in the slide groove. A limiting column is provided at the lower end of the connecting column, and the limiting column is located in the side wall of the slide groove. A guide rod is provided on the base, and the guide rod passes through the connecting plate.

3. The portable trowel according to claim 2, characterized in that: The rotary drive device comprises a motor, which is arranged on a base. A gear column is arranged at the output end of the motor, and the gear column rotates on the lower end surface of the seat. A gear is arranged at the upper end of the rotating shaft, and the gear and the gear column are always in meshing relationship.

4. The portable trowel according to claim 3, characterized in that: An end plate is arranged at the upper end of the guide rod.

5. The portable trowel according to claim 4, characterized in that: The slide groove is a circular groove and is coaxial with the rotating shaft.

6. The portable trowel according to claim 5, characterized in that: The running wheels are provided in multiple groups at the bottom of the base and are universal running wheels.

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