A ride-on trowel

Abstract

This utility model provides a ride-on power trowel, which includes a frame, a seat frame mounted on the frame, a rechargeable battery mounted in the seat frame, a first smoothing device mounted on a first side of the frame, a second smoothing device mounted on the first side of the frame, and an operating mechanism mounted on the frame for controlling the first and second smoothing devices. Each of the first and second smoothing devices includes a housing, a drive motor fixed to the housing and electrically connected to the rechargeable battery, a first gear mounted on the drive shaft of the drive motor and located in the housing, a gear set rotatably mounted in the housing and meshing with the first gear, an output shaft extending from the housing to the outside of the housing and rotatably connected to the housing, an output gear mounted on the output shaft and meshing with the gear set, and a smoothing assembly mounted on the extended end of the output shaft and on the housing.

Description

Technical Field

[0001] This utility model belongs to the field of power trowels, specifically relating to a ride-on power trowel. Background Technology

[0002] A floor trowel is a machine used to smooth floor surfaces made of concrete, cement, mortar, or other suitable mineral materials. It can perform both rough and fine finishing on concrete surfaces, resulting in smoother and flatter surfaces compared to those finished manually. This significantly improves the density and wear resistance of the concrete surface. Floor trowels are widely used for leveling, smoothing, and finishing concrete or other mineral material surfaces in high-standard factories, warehouses, parking lots, plazas, airports, and framed buildings.

[0003] The existing ride-on power trowels have exposed bearings, pressure plates, shift forks, etc., which are easily corroded by cement wastewater, making them not durable and difficult to maintain. Utility Model Content

[0004] In view of the shortcomings of the prior art described above, the purpose of this utility model is to provide a ride-on power trowel.

[0005] To achieve the above and other related objectives, this utility model provides a ride-on power trowel, which includes a frame, a seat frame mounted on the frame, a rechargeable battery mounted in the seat frame, a first smoothing device mounted on a first side of the frame, a second smoothing device mounted on a first side of the frame, and an operating mechanism mounted on the frame for controlling the first and second smoothing devices.

[0006] The first smoothing device and the second smoothing device both include a housing, a drive motor fixed on the housing and electrically connected to the rechargeable battery, a first gear disposed on the drive shaft of the drive motor and located inside the housing, a gear set rotatably disposed inside the housing and meshing with the first gear, an output shaft extending from inside the housing and rotatably connected to the housing, an output gear disposed on the output shaft and meshing with the gear set, and a smoothing component mounted on the extended end of the output shaft and on the housing;

[0007] The smoothing assembly includes a rotating seat mounted on the output shaft and rotating with the output shaft, multiple blade arms mounted on the rotating seat, smoothing blades mounted on the blade arms, a carriage bolt set on the blade arms, a pressure plate assembly movably sleeved on the output shaft and used to push the carriage bolt downward, a fork rotatably connected to the bottom of the housing and used to push the pressure plate assembly downward, a telescopic assembly rotatably mounted on the side wall of the housing and rotatably connected to the second end of the fork, and a cover fixed to the bottom of the housing and cooperating with the rotating seat to cover the first end of the fork and the pressure plate assembly.

[0008] Optionally, both the first smoothing device and the second smoothing device further include a control plate mounted on the housing for connection with the operating mechanism, and the control plate is provided with a connection hole for connection with the operating mechanism.

[0009] Optionally, both the first smoothing device and the second smoothing device also include a cross that can be rotatably mounted on the top of the box. The cross includes a horizontal bar and a vertical bar that are fixedly connected. The top of the box is provided with first connecting seats on both sides for the two ends of the horizontal bar to be inserted and rotatably connected. The two ends of the vertical bar are respectively provided with second connecting seats that are rotatably connected to the vertical bar and fixedly connected to the frame.

[0010] Optionally, the housing is a circular housing, the rotating seat is a circular rotating seat, the top of the rotating seat is provided with at least one annular groove, and the bottom of the circular housing is provided with at least one protruding ring that can be rotatably inserted into the at least one annular groove.

[0011] Optionally, the at least one annular groove includes a first annular groove and a second annular groove, and the at least one protruding ring includes a first protruding ring rotatably inserted into the first annular groove and a second protruding ring rotatably inserted into the second annular groove.

[0012] Optionally, the rotary seat includes an inner liner fixedly mounted on the output shaft and an outer shell fixedly connected to the inner liner. The outer shell is provided with multiple insertion holes for the multiple cutter arms to be inserted and fixedly mounted.

[0013] Optionally, the pressure plate assembly includes a first pressure plate sleeved on the output shaft and abutting against the carriage bolt, a second pressure plate sleeved on the output shaft and abutting against the first end of the shift fork, and a bearing sleeved on the output shaft and located between the first and second pressure plates.

[0014] Optionally, the bottom of the housing is provided with a first adapter seat and a second adapter seat, and the middle part of the fork is rotatably connected between the first adapter seat and the second adapter seat via a first pivot.

[0015] The side wall of the box is provided with a third adapter and a fourth adapter, and the top of the telescopic component is rotatably connected between the third adapter and the fourth adapter via a second pivot.

[0016] The telescopic rod of the telescopic assembly is rotatably connected to the second end of the fork via a third pivot, and the telescopic assembly is an electric push rod.

[0017] Optionally, the gear set includes a first rotating rod rotatably disposed within the housing, a second gear sleeved on the first rotating rod and rotating with the first rotating rod, a third gear sleeved on the first rotating rod and rotating with the first rotating rod, a second rotating rod rotatably disposed within the housing, a fourth gear sleeved on the second rotating rod and rotating with the second rotating rod, and a fifth gear sleeved on the second rotating rod and rotating with the second rotating rod. The second gear meshes with the first gear, the third gear meshes with the fifth gear, and the fourth gear meshes with the output gear.

[0018] Optionally, the first gear, second gear, third gear, fourth gear, fifth gear, and output gear are all helical gears.

[0019] As described above, the ride-on power trowel of this invention has the following beneficial effects: When using the ride-on power trowel of this invention, a first smoothing device and a second smoothing device are respectively installed on both sides of the frame, and the first and second smoothing devices are each driven by two independent drive motors to drive two independent smoothing components. During the driving process, the drive motor drives the first gear to rotate through the drive shaft, the first gear drives the output gear to rotate through the gear set, and the output gear drives the output shaft and the smoothing mechanism mounted on the output shaft to rotate and realize the smoothing operation. In this application, the first and second smoothing devices are driven by two independent drive motors, which makes the control of the power trowel more flexible and the control precision higher. Specifically, the drive motor drives the first gear to rotate through the drive shaft, the first gear drives the output gear to rotate through the gear set, and the output gear drives the output shaft to rotate. The output shaft drives the rotating seat and the blade arm and smoothing blade mounted on the rotating seat to rotate, realizing the smoothing operation of the ground. During this process, the tilt angle of the smoothing blade can also be adjusted by controlling the extension and retraction of the telescopic component to push the pressure plate assembly downward, and the pressure plate assembly pushes the carriage bolt downward. The tilt angle of the first and second smoothing devices is controlled by the operating mechanism, thereby enabling the power trowel to move or turn. Furthermore, by setting up a rotating base and a housing, the first end of the fork, the pressure plate assembly, and the output shaft cover are housed inside the rotating base and housing, which can prevent slurry from splashing into the rotating base and housing, facilitating the maintenance of the power trowel. Attached Figure Description

[0020] Figure 1 The diagram shown is an exploded view of the ride-on power trowel provided by this utility model.

[0021] Figure 2 The diagram shown is a structural schematic of the ride-on power trowel provided by this utility model.

[0022] Figure 3 The diagram shown is a first structural schematic of the first smoothing device in the ride-on power trowel provided by this utility model.

[0023] Figure 4 This is a schematic diagram of the second structure of the first smoothing device in the ride-on power trowel provided by this utility model.

[0024] Figure 5 The diagram shown is an exploded view of the first smoothing device in the ride-on power trowel provided by this utility model.

[0025] Figure 6 The diagram shown is a cross-sectional view of the first smoothing device in the ride-on power trowel provided by this utility model.

[0026] Figure 7 The diagram shown is a second exploded view of the first smoothing device in the ride-on power trowel provided by this utility model. Detailed Implementation

[0027] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. For ease of explanation, when detailing the embodiments of this utility model, the cross-sectional views showing the device structure may be partially enlarged without adhering to the general scale, and the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. Furthermore, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0028] For ease of description, spatial relation terms such as “below,” “under,” “lower than,” “below,” “above,” and “upper” may be used herein to describe the relationship between one element or feature shown in the accompanying drawings and other elements or features. It will be understood that these spatial relation terms are intended to include directions other than those depicted in the drawings for devices in use or operation. Furthermore, when a layer is referred to as being “between” two layers, it may be the only layer between the two layers, or there may be one or more layers in between.

[0029] It should be noted that the illustrations provided in this embodiment are only schematic representations of the basic concept of this utility model. Therefore, the drawings only show components related to this utility model and are not drawn according to the actual number, shape, and size of the components in the actual implementation. In the actual implementation, the form, quantity, and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex. To keep the illustrations as concise as possible, not all structures are indicated in the drawings.

[0030] like Figure 1-7As shown, this embodiment provides a ride-on power trowel 10, which includes a frame 11, a seat frame 12 mounted on the frame 11, a rechargeable power supply battery mounted in the seat frame 12, a first smoothing device 13 mounted on a first side of the frame 11, a second smoothing device 14 mounted on the first side of the frame 11, and an operating mechanism 15 mounted on the frame 11 for controlling the first smoothing device 13 and the second smoothing device 14.

[0031] like Figure 3-7 As shown, both the first smoothing device 13 and the second smoothing device 14 include a housing 16, a drive motor 17 fixed on the housing 16 and electrically connected to the rechargeable battery, a first gear 19 disposed on the drive shaft 18 of the drive motor 17 and located inside the housing 16, a gear set 20 rotatably disposed inside the housing 16 and meshing with the first gear 19, an output shaft 21 extending from inside the housing 16 to outside the housing 16 and rotatably connected to the housing 16, an output gear 22 disposed on the output shaft 21 and meshing with the gear set 20, and a smoothing assembly mounted on the extended end of the output shaft 21 and on the housing 16.

[0032] The smoothing assembly includes a rotating seat 23 mounted on the output shaft 21 and rotating with the output shaft 21, multiple blade arms 24 mounted on the rotating seat 23, smoothing blades 25 mounted on the blade arms 24, carriage bolts 26 disposed on the blade arms 24, a pressure plate assembly 27 movably sleeved on the output shaft 21 and used to push the carriage bolts 26 downward, a fork 28 rotatably connected to the bottom of the housing 16 and used to push the pressure plate assembly 27 downward, a telescopic assembly 29 rotatably mounted on the side wall of the housing 16 and rotatably connected to the second end of the fork 28, and a cover 30 fixed to the bottom of the housing 16 and cooperating with the rotating seat 23 to cover the first end of the fork 28 and the pressure plate assembly 27.

[0033] When using the ride-on power trowel of this invention, a first smoothing device 13 and a second smoothing device 14 are respectively installed on both sides of the frame 11, and the first smoothing device 13 and the second smoothing device 14 are each driven by two independent drive motors 17 to drive two independent smoothing components. During the driving process, the drive motor 17 drives the first gear 19 to rotate through the drive shaft 18, the first gear 19 drives the output gear 22 to rotate through the gear set 20, and the output gear 22 drives the output shaft 21 and the power trowel 10 mounted on the output shaft 21 to rotate and realize the smoothing operation. In this application, the first smoothing device 13 and the second smoothing device 14 are driven by two independent drive motors 17, which makes the control of the power trowel 10 more flexible and the control precision higher. Specifically, the drive motor 17 drives the first gear 19 to rotate through the drive shaft 18, the first gear 19 drives the output gear 22 to rotate through the gear set 20, and the output gear 22 drives the output shaft 21 to rotate. The output shaft 21 drives the rotating seat 23 and the blade arm 24 and trowel blade 25 mounted on the rotating seat 23 to rotate, thereby achieving the surface smoothing operation. During this process, the tilt angle of the trowel blade 25 can be adjusted by controlling the extension and retraction of the telescopic component 29 to push the pressure plate component 27 downward, and the pressure plate component 27 to push the carriage bolt 26 downward. The tilt angle of the first smoothing device 13 and the second smoothing device 14 can be controlled by the operating mechanism 15, thereby realizing the movement or turning of the power trowel 10. Furthermore, by setting the rotating seat 23 and the housing 30, the first end of the fork 28, the pressure plate component 27 and the output shaft 21 are covered inside the rotating seat 23 and the housing 30, which can prevent slurry from splashing into the rotating seat 23 and the housing 30, and facilitate the maintenance of the power trowel 10.

[0034] Specifically, such as Figure 1 , 3 As shown, both the first smoothing device 13 and the second smoothing device 14 include a control plate 31 mounted on the housing 16 for connection to the control mechanism 15. The control plate 31 has a connection hole 32 for connection to the control mechanism 15. Specifically, the control mechanism 15 includes a control lever and a linkage mechanism. The control lever is rotatably connected to the connection hole 32 and the control plate 31 through the linkage mechanism. The operator controls the control plate 31 to raise or lower using the control lever, thereby adjusting the overall tilt angle of the first smoothing device 13 or the second smoothing device 14.

[0035] In this embodiment, as Figure 3 , 5As shown, the first smoothing device 13 and the second smoothing device 14 also include a cross 33 rotatably mounted on the top of the box 16. The cross 33 includes a horizontal bar 34 and a vertical bar 35 fixedly connected. The top of the box 16 is provided with first connecting seats 36 on both sides, into which the two ends of the horizontal bar 34 can be inserted and rotatably connected. The two ends of the vertical bar 35 are respectively provided with second connecting seats 37 rotatably connected to the vertical bar 35 and fixedly connected to the frame 11.

[0036] During the lifting and lowering of the control panel 31, the first smoothing device 13 or the second smoothing device 14 rotates around the longitudinal rod 35 to adjust the tilt angle of the first smoothing device 13 or the second smoothing device 14.

[0037] Specifically, such as Figure 7 As shown, the housing 30 is a circular housing 30, the rotating seat 23 is a circular rotating seat 23, the top of the rotating seat 23 is provided with at least one annular groove, and the bottom of the circular housing 30 is provided with at least one protruding ring that can be rotatably inserted into the at least one annular groove.

[0038] In this embodiment, the at least one annular groove includes a first annular groove 38 and a second annular groove 39, and the at least one protruding ring includes a first protruding ring rotatably inserted into the first annular groove 38 and a second protruding ring rotatably inserted into the second annular groove 39.

[0039] After the first convex ring is inserted into the first annular groove 38, it can rotate within the first annular groove 38 during the rotation of the rotating seat 23. After the second convex ring is inserted into the second annular groove 39, it can rotate within the second annular groove 39 during the rotation of the rotating seat 23. During the operation of the power trowel 10, because the first and second convex rings are inserted into the first and second annular grooves 38 and 39, there is no gap between the rotating seat 23 and the housing 30, which prevents slurry from splashing into the rotating seat 23 and the housing 30.

[0040] To facilitate installation and connection, the rotary seat 23 includes an inner liner 40 fixedly mounted on the output shaft 21 and an outer shell 41 fixedly connected to the inner liner 40. The outer shell 41 is provided with a plurality of insertion holes 42 for the plurality of cutter arms 24 to be inserted and fixedly mounted.

[0041] When installing the rotary seat 23, first fix the inner liner 40 to the output shaft 21, and then fix the outer shell 41 with the tool arm 24 installed to the inner liner 40 to achieve fixed installation of the rotary seat 23.

[0042] Specifically, the pressure plate assembly 27 includes a first pressure plate 43 sleeved on the output shaft 21 and abutting against the carriage bolt 26, a second pressure plate 44 sleeved on the output shaft 21 and abutting against the first end of the shift fork 28, and a bearing 45 sleeved on the output shaft 21 and located between the first pressure plate 43 and the second pressure plate 44.

[0043] When the fork 28 pushes the second pressure plate 44 downward, the second pressure plate 44 pushes the first pressure plate 43 downward through the bearing 45, and the first pressure plate 43 then pushes the carriage bolt 26 on the smoothing blade 25 downward, thereby adjusting the tilt angle of the smoothing blade 25.

[0044] In this embodiment, the bottom of the housing 16 is provided with a first adapter seat and a second adapter seat 46, and the middle part of the fork 28 is rotatably connected between the first adapter seat and the second adapter seat 46 through a first rotating shaft 47.

[0045] The side wall of the housing 16 is provided with a third adapter 48 and a fourth adapter 49. The top of the telescopic component 29 is rotatably connected between the third adapter 48 and the fourth adapter 49 via a second rotating shaft 50.

[0046] The telescopic rod of the telescopic assembly 29 is rotatably connected to the second end of the fork 28 via a third pivot 51. The telescopic assembly 29 is an electric push rod.

[0047] Specifically, such as Figure 6 As shown, the gear set 20 includes a first rotating rod rotatably disposed within the housing 16, a second gear 52 sleeved on the first rotating rod and rotating with the first rotating rod, a third gear 53 sleeved on the first rotating rod and rotating with the first rotating rod, a second rotating rod rotatably disposed within the housing 16, a fourth gear 54 sleeved on the second rotating rod and rotating with the second rotating rod, and a fifth gear 55 sleeved on the second rotating rod and rotating with the second rotating rod. The second gear 52 meshes with the first gear 19, the third gear 53 meshes with the fifth gear 55, and the fourth gear 54 meshes with the output gear 22.

[0048] Preferably, the first gear 19, the second gear 52, the third gear 53, the fourth gear 54, the fifth gear 55, and the output gear 22 are all helical gears. The torque of the drive motor 17 is transmitted to the output shaft 21 through the helical gear set 20. The helical gear set 20 transmits torque in layers, which can save reduction space.

[0049] Understandably, the second gear 52 and the third gear 53 rotate synchronously with the first rotating rod inside the housing 16, and the fourth gear 54 and the fifth gear 55 rotate synchronously with the second rotating rod inside the housing 16.

[0050] Preferably, the second gear 52 has a greater number of teeth than the first gear 19, the fifth gear 55 has a greater number of teeth than the third gear 53, and the output gear 22 has a greater number of teeth than the fourth gear 54. By setting the gear ratio, torque can be increased while decelerating.

[0051] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A ride-on trowel characterized by, The power trowel includes a frame, a stool frame mounted on the frame, a rechargeable battery mounted in the stool frame, a first smoothing device mounted on a first side of the frame, a second smoothing device mounted on a first side of the frame, and an operating mechanism mounted on the frame for controlling the first and second smoothing devices. The first smoothing device and the second smoothing device both include a housing, a drive motor fixed on the housing and electrically connected to the rechargeable battery, a first gear disposed on the drive shaft of the drive motor and located inside the housing, a gear set rotatably disposed inside the housing and meshing with the first gear, an output shaft extending from inside the housing and rotatably connected to the housing, an output gear disposed on the output shaft and meshing with the gear set, and a smoothing assembly mounted on the extended end of the output shaft and on the housing; The smoothing assembly includes a rotating seat mounted on the output shaft and rotating with the output shaft, multiple blade arms mounted on the rotating seat, smoothing blades mounted on the blade arms, carriage bolts disposed on the blade arms, a pressure plate assembly movably sleeved on the output shaft and used to push the carriage bolts downward, a fork rotatably connected to the bottom of the housing and used to push the pressure plate assembly downward, a telescopic assembly rotatably mounted on the side wall of the housing and rotatably connected to the second end of the fork, and a cover fixed to the bottom of the housing and cooperating with the rotating seat to cover the first end of the fork and the pressure plate assembly.

2. The ride-on trowel of claim 1, wherein, The first smoothing device and the second smoothing device also include a control plate mounted on the housing for connection with the control mechanism, and the control plate is provided with a connection hole for connection with the control mechanism.

3. The ride-on trowel of claim 1, wherein, The first and second smoothing devices also include a cross that can be rotatably mounted on the top of the box. The cross includes a horizontal bar and a vertical bar that are fixedly connected. The top of the box is provided with first connecting seats on both sides for the two ends of the horizontal bar to be inserted and rotatably connected. The two ends of the vertical bar are respectively provided with second connecting seats that are rotatably connected to the vertical bar and fixedly connected to the frame.

4. The ride-on trowel of claim 1, wherein, The housing is a circular housing, the rotating seat is a circular rotating seat, the top of the rotating seat is provided with at least one annular groove, and the bottom of the circular housing is provided with at least one protruding ring that can be rotatably inserted into the at least one annular groove.

5. The ride-on trowel of claim 4, wherein, The at least one annular groove includes a first annular groove and a second annular groove, and the at least one convex ring includes a first convex ring rotatably inserted into the first annular groove and a second convex ring rotatably inserted into the second annular groove.

6. The ride-on trowel of claim 1, wherein, The rotating base includes an inner liner fixedly mounted on the output shaft and an outer shell fixedly connected to the inner liner. The outer shell is provided with multiple insertion holes for the multiple cutter arms to be inserted and fixedly mounted.

7. The ride-on trowel of claim 1, wherein, The pressure plate assembly includes a first pressure plate sleeved on the output shaft and abutting against the carriage bolt, a second pressure plate sleeved on the output shaft and abutting against the first end of the shift fork, and a bearing sleeved on the output shaft and located between the first and second pressure plates.

8. The ride-on trowel of claim 1, wherein, The bottom of the housing is provided with a first adapter seat and a second adapter seat, and the middle part of the fork is rotatably connected between the first adapter seat and the second adapter seat through a first rotating shaft; The side wall of the box is provided with a third adapter seat and a fourth adapter seat, and the top of the telescopic component is rotatably connected between the third adapter seat and the fourth adapter seat through a second rotating shaft; The telescopic rod of the telescopic assembly is rotatably connected to the second end of the fork via a third pivot, and the telescopic assembly is an electric push rod.

9. The ride-on trowel of claim 1, wherein, The gear set includes a first rotating rod rotatably disposed within the housing, a second gear sleeved on the first rotating rod and rotating with the first rotating rod, a third gear sleeved on the first rotating rod and rotating with the first rotating rod, a second rotating rod rotatably disposed within the housing, a fourth gear sleeved on the second rotating rod and rotating with the second rotating rod, and a fifth gear sleeved on the second rotating rod and rotating with the second rotating rod. The second gear meshes with the first gear, the third gear meshes with the fifth gear, and the fourth gear meshes with the output gear.

10. The ride-on trowel of claim 9, wherein, The first gear, second gear, third gear, fourth gear, fifth gear, and output gear are all helical gears.

Images