CN218711998U - A floating device for concrete floor - Google Patents

Abstract

The utility model relates to the technical field of concrete construction, and provides a floating device for concrete ground, including the tracked vehicle and the floating mechanism installed on the tracked vehicle, the floating mechanism includes paving component, vibration component and floating component, the front end of the tracked vehicle is provided with the paving component, the installation end of the paving component is hinged with the front connection end of the tracked vehicle, the paving component is used for leveling the concrete; the vibrating component is arranged at the bottom of the crawler, the fixed end of the vibrating component is fixedly connected with the connecting end at the bottom of the crawler, the vibrating component is used for vibrating and tamping concrete, the trowelling component is arranged at the rear end of the crawler, the fixed end of the trowelling component is fixedly connected with the connecting end at the rear part of the crawler, and the trowelling component is driven to rotate to smooth and trowel the surface of the concrete; the utility model discloses a spreading component carries out the shop to the concrete of pouring into, and the vibrating component vibrates the tamping to the concrete after the shop, carries out the floating through floating mechanism again and receives the light, has better practicality.

Description

A floating device for concrete floor

Technical Field

The utility model relates to a concrete construction technical field particularly, relates to a floating device for concrete ground.

Background

The concrete has compressive strength height, and the durability is good, characteristics such as intensity grade range is wide, often uses as the road surface sclerosis, when pouring the concrete floor now, all pours the concrete subregion on prefabricated plane with the concrete transport vechicle, then the manual work is shakeouts the concrete, reuses floating device and screeds after the vibrting spear vibration again and screeds, not only the progress is slow, and efficiency is lower moreover, consequently, prior art has the defect, needs the improvement.

SUMMERY OF THE UTILITY MODEL

In view of the disadvantages of the prior art, the present invention is directed to a troweling apparatus for concrete floor, which solves the problems set forth in the background art.

In order to achieve the above purpose, the utility model provides a floating device for concrete ground, including the tracked vehicle and install the floating mechanism on the tracked vehicle, floating mechanism includes paving component, vibration component and floating component, the front end of tracked vehicle sets up the paving component, the installation end of paving component and the anterior connecting end of tracked vehicle are articulated, the paving component is used for shakeing the concrete; the bottom of tracked vehicle sets up the vibrating member, the stiff end of vibrating member with the bottom link fixed connection of tracked vehicle, the vibrating member is used for vibrating the concrete tamping, the rear end of tracked vehicle sets up floating member, floating member's stiff end with the rear portion link fixed connection of tracked vehicle, through the drive floating member rotates, receives the smooth floating to the concrete surface.

Optionally, the tracked vehicle comprises a tracked member and a vehicle body, the inside of the vehicle body is provided with a lithium battery, the outside of the vehicle body is symmetrically provided with the tracked member, the tracked member is rotatably connected with the vehicle body, and the tracked member is used for driving the vehicle body to move.

Optionally, the track component includes track, support piece, driving part and follower, the bilateral symmetry of automobile body sets up support piece, the driving part set up in on the support piece and with support piece rotates to be connected, the week side of driving part sets up the follower, driven part set up in on the support piece and with support piece rotates to be connected, the surface of follower encircles the setting track.

Optionally, the spreading component comprises a spreading support, a spreading speed reduction motor, a screw shaft and a first leveling roller, the screw shaft is arranged at the front end of the spreading support, the screw shaft is rotatably connected with the spreading support, the first leveling roller is arranged at the rear end of the spreading support, the first leveling roller is rotatably connected with the spreading support, the spreading speed reduction motor is fixedly arranged on the side edge of the spreading support, and the output end of the spreading speed reduction motor is connected with the input ends of the first leveling roller and the screw shaft.

Optionally, the vibrating member includes a vibrating unit, a leveling unit and a vibrating support, the vibrating unit is arranged at the front end of the vibrating support, the vibrating unit is connected with the vibrating support in a floating mode, the leveling unit is fixedly arranged at the rear end of the vibrating support, and the leveling unit includes a second leveling roller and a third leveling roller.

Optionally, the vibration unit includes vibrating motor, vibrting spear, vibration mounting platform, vibration connecting piece, the lower extreme setting of vibration support the vibration mounting platform, set up vibration connecting piece on the vibration mounting platform, vibration connecting piece runs through the vibration support and with the vibration support connection that floats, it is a plurality of to set up on the vibration mounting platform vibrating motor, vibrating motor's output sets up the vibrting spear.

Optionally, the floating member includes a floating reciprocating unit and a floating machine, the floating reciprocating unit is disposed at the rear end of the crawler, and a connection end of the floating machine is fixedly connected to an output end of the floating reciprocating unit.

Optionally, the trowelling reciprocating unit includes reciprocal support, carousel subassembly, shift fork and slip subassembly, the one end setting of reciprocal support the carousel subassembly, the carousel subassembly with reciprocal support rotates the connection, the centre of reciprocal support sets up the shift fork, the shift fork with reciprocal support rotates the connection, the slip end of shift fork cup joint in on the carousel subassembly, the shift fork with carousel subassembly sliding connection, the other end of reciprocal support sets up the slip subassembly, the slip subassembly with reciprocal support sliding connection, the transmission end of shift fork with the contact phase of slip subassembly meshes mutually, set up on the slip subassembly the trowelling machine.

Compared with the prior art, the utility model discloses a spreading member is spread the concrete of pouring into, and the vibrating member vibrates the tamping to the concrete after spreading, flattens through trowelling mechanism again and receives the light, has better practicality.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure of the crawler according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a track member according to an embodiment of the present invention;

FIG. 4 is a schematic view of a paving member according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a vibration member according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a vibration unit according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a leveling member according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a floating reciprocating unit according to an embodiment of the present invention;

description of reference numerals: 1-a crawler; 2-paving the component; 3-a vibrating member; 4-a troweling member; 12-a track member; 11-a vehicle body; 13-a lithium battery; 14-floating the reciprocating unit; 15-troweling machine; 19-track; 16-a support; 17-a transmission member; 18-a follower; 21-flattening the support; 22-flattening the gear motor; 23-a helical axis; 24-a first levelling roll; 25-a scraper; 33-a vibrating support; 34-vibrating a fixed block; 35-a vibrating connection; 36-a second smoothing roll; 37-a third leveling roller; 38-a vibration motor; 32-a vibrating rod; 31-a vibration mounting platform; 41-reciprocating support; 42-a turntable assembly; 43-a shifting fork; 44-a slide assembly; 421-a rotating disc; 422-rotation pin; 44-a shifting fork; 441-sliding fixed blocks; 442-sliding bar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to "an embodiment," "one embodiment," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or implementation is included in at least one embodiment or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.

In order to solve the above problems, as shown in fig. 1 and 2, the utility model provides a floating device for concrete ground, including tracked vehicle 1 and the floating mechanism installed on tracked vehicle 1, floating mechanism includes paving component 2, vibration component 3 and floating component 4, the front end of tracked vehicle 1 sets up paving component 2, the installation end of paving component 2 is articulated with the front connecting end of tracked vehicle 1, paving component 2 is used for leveling the concrete; the bottom of tracked vehicle 1 sets up vibrating member 3, vibrating member 3's stiff end with the bottom link fixed connection of tracked vehicle 1, vibrating member 3 is used for vibrating the concrete tamping, the rear end of tracked vehicle 1 sets up floating member 4, floating member 4's stiff end with the rear portion link fixed connection of tracked vehicle 1, through the drive floating member 4's floating machine rotates, receives the smooth floating to the concrete surface.

It should be noted that, a paving installation part is arranged at the front end of the crawler 1, the paving support 21 on the paving member 2 is installed on the paving installation part, the paving support 21 drives the paving member 2 to rotate relative to the paving installation part through the paving installation part, the paving thickness of concrete can be adjusted by adjusting the paving member 2, the vibration member 3 is arranged at the middle position of the bottom of the crawler 1, the vibration unit on the vibration support 33 is enabled to vibrate and tamp the paved concrete all the time through the vibration connecting part 35 on the vibration member 3, meanwhile, the leveling unit at the rear end of the vibration support 33 smoothes the vibrated and tamped concrete, the vibration member 3 not only increases the overall strength of the concrete ground, but also smoothes the vibrated concrete surface, the leveling member 4 is arranged at the rear end of the crawler 1, the leveling machine 15 makes reciprocating linear motion by driving the leveling reciprocating unit 14 on the leveling member 4, and the concrete ground is leveled by combining with the rotation of blades on the leveling machine 15.

In an embodiment of the present invention, as shown in fig. 2, the tracked vehicle includes a track member 12 and a vehicle body 11, the inside of the vehicle body 11 is provided with a lithium battery 13, the outside of the vehicle body 11 is symmetrically provided with the track member 12, the track member 12 is rotatably connected with the vehicle body 11, and the track member 12 is used for driving the vehicle body 11 to move.

It should be noted that, four crawler belt members 12 are symmetrically arranged on two sides of the vehicle body 11, the lithium battery 13 and the driving assembly are arranged inside the vehicle body 11, the driving assembly is connected with the lithium battery 13, the driving assembly is connected with the crawler belt members 12, and the driving assembly is connected with the lithium battery 13, so that the driving assembly drives the crawler belt members 12 to rotate, the vehicle body 11 drives the floating mechanism to move, and the lithium battery can supply power to the driving part on the whole floating mechanism.

In an embodiment of the present invention, as shown in fig. 3, the track member includes a track 19, a support 16, a transmission 17 and a driven member 18, the bilateral symmetry of the vehicle body 11 is disposed on the support 16, the transmission 17 is disposed on the support 16 and rotatably connected to the support 16, the transmission 17 is disposed on the driven member 18, the driven member 18 is disposed on the support 16 and rotatably connected to the support 16, and the outer surface of the driven member 18 surrounds the track 19.

It should be noted that the track member includes a track 19, a support 16, a transmission 17 and a driven member 18, the equilateral triangle support 16 is fixedly disposed on a side of the vehicle body 11, the transmission 17 is disposed in a middle position of the equilateral triangle support 16, a belt wheel is disposed at an axial end of the transmission 17, an axial body of the transmission 17 penetrates through the vehicle body 11 and is connected to a driving component inside the vehicle body 11, three driven members 18 having the same structure are disposed at three vertex angles of the equilateral triangle support 16, the track 19 is disposed around an outer surface of the three same driven members 18, a groove is formed in the driven member 18, and a transmission belt is disposed around between the belt wheel and the groove of the driven member 18, so that the belt wheel rotates to drive the driven member 18 to rotate, thereby rotating the track 19 on the symmetrical track member 12 on the vehicle body 11 to drive the vehicle body 11 to move flexibly.

The utility model discloses an embodiment, as shown in fig. 4, the component 2 that paves is including shakeouts support 21, shakeouts gear motor 22, screw axis 23 and first leveling roller 24, the front end setting of shakeouts support 21 the screw axis 23, the screw axis 23 with shakeouts support 21 and rotates the connection, the rear end setting of shakeouts support 21 first leveling roller 24, first leveling roller 24 with shakeouts support 21 and rotates the connection, shakeouts gear motor 22 fixed set up in shakeouts support 21's side, shakeouts gear motor 22 the output with first leveling roller 24 the input of screw axis 23 is connected.

It should be noted that the paving member 2 includes a leveling bracket 21, a leveling deceleration motor 22, a screw shaft 23 and a first leveling roller 24, a paving mounting member is disposed at the front end of the crawler 1 and is used for mounting and driving the leveling bracket 21 to rotate, so as to adjust the relative position of the paving member 2 and the concrete, the screw shaft 23 is disposed at the front end of the leveling bracket 21, a first gear is disposed at the shaft end of the screw shaft 23, the first leveling roller 24 is disposed at the rear end of the leveling bracket 21, a second gear is disposed at the roller neck of the first leveling roller 24, so that the screw shaft 23 and the first leveling roller 24 are relatively parallel, the first gear on the screw shaft 23 is engaged with the second gear on the first leveling roller 24, the leveling deceleration motor 22 is disposed at the side of the leveling bracket 21, the output end of the leveling deceleration motor 22 penetrates through the side wall of the leveling bracket 21 and is connected to the first leveling roller 24 through a coupling, a scraper 25 is disposed at the side of the first leveling roller 24, the first leveling roller 24 is rotated by the rotation of the leveling motor 22, and the first leveling roller 23 and the first leveling roller 24 is rotated to scrape the slurry on the first leveling bracket 24, and then the first leveling roller 24.

In an embodiment of the present invention, as shown in fig. 5, the vibrating member includes a vibrating unit, a leveling unit and a vibrating bracket 33, the front end of the vibrating bracket 33 is provided with the vibrating unit, the vibrating unit and the vibrating bracket 33 are connected in a floating manner, the rear end of the vibrating bracket 33 is fixedly provided with the leveling unit, and the leveling unit includes a second leveling roller 36 and a third leveling roller 37.

It should be noted that the vibration member includes a vibration unit, a leveling unit and a vibration bracket 33, the vibration bracket 33 is disposed at the middle position of the bottom of the crawler, the vibration unit is disposed at the front end of the vibration bracket 33, the vibration unit and the vibration bracket 33 are connected in a floating manner by a vibration connector 35 on the vibration unit, the leveling unit is disposed at the rear end of the vibration bracket 33, the interior of the concrete can be vibrated and tamped by the vibration unit, so as to reinforce the strength of the concrete, and the vibrated concrete is leveled for the second time by a second leveling roller 36 and a third leveling roller 37 on the leveling unit.

In an embodiment of the present invention, as shown in fig. 5 and 6, the vibration unit includes a vibration motor 38, a vibration rod 32, a vibration mounting platform 31 and a vibration connector 35, the lower end of the vibration support 33 is disposed on the vibration mounting platform 31, the vibration connector 35 runs through the vibration support 33 and the vibration support 33 is connected in a floating manner, the vibration mounting platform 31 is provided with a plurality of vibration motors 38, and the output end of each vibration motor 38 is disposed on the vibration rod 32.

It should be noted that the vibration unit includes a vibration motor 38, a vibration rod 32, a vibration mounting platform 31, and a vibration connecting member 35, the vibration connecting member 35 includes a vibration connecting rod and a vibration spring, the vibration mounting platform 31 is disposed under the vibration bracket 33, the plurality of vibration motors 38 are disposed on the vibration mounting platform 31, the vibration rod 32 is disposed at the output end of each vibration motor 38, the vibration limiting blocks 34 are symmetrically disposed at both sides of the vibration bracket 33, the vibration connecting rod is disposed under the vibration limiting blocks 34, the vibration connecting rod penetrates through the vibration bracket 33 and is fixedly connected with the vibration mounting platform 31, the vibration spring is sleeved on the corresponding vibration connecting rod above the vibration bracket 33, the vibration spring is also sleeved on the corresponding vibration connecting rod under the vibration bracket 33, so that the vibration mounting platform 31 is suspended relative to the vibration bracket 33, the vibration mounting platform 31 and the vibration bracket 33 are relatively suspended, the vibration rod 32 can always be in contact with concrete, the second leveling roller 36 and the third leveling roller 37 are fixedly mounted behind the vibration bracket 33, and the concrete after being leveled at the same time.

In an embodiment of the present invention, as shown in fig. 7, the floating member 4 includes a floating reciprocating unit 14 and a floating machine 15, the floating reciprocating unit 14 is disposed at the rear end of the crawler 1, and the connecting end of the floating machine 15 is fixedly connected to the output end of the floating reciprocating unit 14.

It should be noted that the troweling member 4 includes a troweling reciprocating unit 14 and a troweling machine 15, the troweling reciprocating unit 14 is disposed at the rearmost end of the crawler, the output end of the troweling reciprocating unit 14 is fixedly connected with the connecting end of the troweling machine 15, and the relative position of the troweling machine 15 can be adjusted by driving the troweling reciprocating mechanism 14, so that the troweling machine 15 reciprocates to trowel the concrete after the secondary leveling.

In an embodiment of the present invention, as shown in fig. 7 and 8, the trowelling reciprocating unit 14 includes a reciprocating support 41, a turntable assembly 42, a shifting fork 43 and a sliding assembly 44, one end of the reciprocating support 41 is disposed on the turntable assembly 42, the turntable assembly 42 is rotatably connected to the reciprocating support 41, the shifting fork 44 is disposed in the middle of the reciprocating support 41, the shifting fork 44 is rotatably connected to the reciprocating support 41, a sliding end of the shifting fork 44 is sleeved on the turntable assembly 42, the shifting fork 44 is slidably connected to the turntable assembly 42, the other end of the reciprocating support 41 is disposed on the sliding assembly 44, the sliding assembly 44 is slidably connected to the reciprocating support 41, a transmission end of the shifting fork 44 is engaged with a contact end of the sliding assembly 44, and the trowelling machine 15 is disposed on the sliding assembly 44.

It should be noted that the troweling reciprocating unit 14 includes a reciprocating support 41, a rotating disc assembly 42, a shifting fork 43 and a sliding assembly 44, the rotating disc assembly includes a rotating disc 421 and a rotating pin 422, the sliding assembly includes a sliding bar 442 and a sliding fixed block 441, the rotating disc 421 is disposed on the upper surface of the rear end of the reciprocating support 41, so that the rotating disc 421 flexibly rotates on the reciprocating support 41, the reciprocating motor is disposed on the lower surface of the reciprocating support 41, the output end of the reciprocating motor is fixedly connected with the rotating disc 421, the rotating pin 422 is disposed on the edge of the upper surface of the rotating disc 421, an arc surface with an elliptical groove at one end and a gear at the other end is disposed in the middle of the reciprocating support 41, so that the shifting fork 43 and the reciprocating support 41 are rotatably connected, and the rotating pin 422 is sleeved in the elliptical groove and can flexibly slide, the sliding fixed block 441 is symmetrically disposed at the rear end of the reciprocating support 41, a square sliding bar 442 with a gear is disposed on the sliding fixed block 441, so that the square sliding bar 442 flexibly slides in the sliding groove 441 and engages with the gear on the arc surface, and the rotating pin 422 drives the shifting fork to linearly slide on the reciprocating support 41, thereby enabling the reciprocating bar to slide the reciprocating bar 421 to move on the ground surface, and then to troweling straight line.

The basic working principle is as follows: the component that paves is set up in the place ahead directly at the tracked vehicle automobile body, can evenly shakeout the concrete through the screw axis on the component that paves, the first leveling roller of rethread carries out first level and smooth to the concrete after shakeout, set up the vibration component under the tracked vehicle automobile body, vibration unit and vibration support floating connection on through the vibration component, can make vibration unit contact with the concrete that first level and smooth all the time, the vibrting spear on the vibration unit vibrates the tamping to the concrete that first level and smooth, carry out the level and smooth second time through leveling the unit again, set up the component of floating at the rearmost end of tracked vehicle automobile body, construct the reciprocal unit of floating on the shoulder through floating, can make the straight reciprocating motion of the trowelling machine on the component of floating, thereby concrete surface to the level again.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (8)

1. The floating device for the concrete ground is characterized by comprising a crawler (1) and a floating mechanism arranged on the crawler (1), wherein the floating mechanism comprises a paving component (2), a vibration component (3) and a floating component (4), the paving component (2) is arranged at the front end of the crawler (1), the mounting end of the paving component (2) is hinged with the front connecting end of the crawler (1), and the paving component (2) is used for leveling concrete; the bottom of tracked vehicle (1) sets up vibrating member (3), the stiff end of vibrating member (3) with the bottom link fixed connection of tracked vehicle (1), vibrating member (3) are used for vibrating the concrete tamping, the rear end of tracked vehicle (1) sets up trowelling member (4), the stiff end of trowelling member (4) with the rear portion link fixed connection of tracked vehicle (1), through the drive the trowelling machine of trowelling member (4) rotates, receives the light and trowels to the concrete surface.

2. A troweling apparatus for concrete floor according to claim 1, characterized in that the crawler includes a crawler member (12) and a vehicle body (11), a lithium battery (13) is disposed inside the vehicle body (11), the crawler member (12) is symmetrically disposed outside the vehicle body (11), the crawler member (12) and the vehicle body (11) are rotatably connected, and the crawler member (12) is used for driving the vehicle body (11) to move.

3. A troweling apparatus for concrete floor according to claim 2, characterized in that the crawler members include a crawler (19), a support (16), a transmission member (17), and a driven member (18), the support (16) is symmetrically disposed on both sides of the vehicle body (11), the transmission member (17) is disposed on the support (16) and rotatably connected with the support (16), the driven member (18) is disposed on the circumferential side of the transmission member (17), the driven member (18) is disposed on the support (16) and rotatably connected with the support (16), and the outer surface of the driven member (18) surrounds the crawler (19).

4. The trowelling device for concrete floors as claimed in claim 1, wherein the paving member (2) comprises a leveling bracket (21), a leveling speed reduction motor (22), a screw shaft (23) and a first leveling roller (24), the screw shaft (23) is arranged at the front end of the leveling bracket (21), the screw shaft (23) is rotatably connected with the leveling bracket (21), the first leveling roller (24) is arranged at the rear end of the leveling bracket (21), the first leveling roller (24) is rotatably connected with the leveling bracket (21), the leveling speed reduction motor (22) is fixedly arranged at the side edge of the leveling bracket (21), and the output end of the leveling speed reduction motor (22) is connected with the input end of the first leveling roller (24) and the input end of the screw shaft (23).

5. A screeding device for concrete floor according to claim 1, characterized in that said vibrating member comprises a vibrating unit, a levelling unit and a vibrating support (33), said vibrating unit being arranged at the front end of said vibrating support (33), said vibrating unit and said vibrating support (33) being floatingly connected, said levelling unit being fixedly arranged at the rear end of said vibrating support (33), said levelling unit comprising a second levelling roll (36) and a third levelling roll (37).

6. A floating device for concrete floor according to claim 5, characterized in that, said vibration unit comprises a vibration motor (38), a vibration rod (32), a vibration mounting platform (31) and a vibration connecting piece (35), said vibration mounting platform (31) is arranged at the lower end of said vibration support (33), said vibration connecting piece (35) is arranged on said vibration mounting platform (31), said vibration connecting piece (35) penetrates said vibration support (33) and is connected with said vibration support (33) in a floating way, said vibration mounting platform (31) is provided with a plurality of said vibration motors (38), and the output end of said vibration motors (38) is provided with said vibration rod (32).

7. Troweling device for concrete floors according to claim 1, characterized in that the troweling member (4) comprises a troweling reciprocating unit (14) and a troweling machine (15), the troweling reciprocating unit (14) is arranged at the rear end of the crawler (1), and the connecting end of the troweling machine (15) is fixedly connected with the output end of the troweling reciprocating unit (14).

8. A device for screeding concrete floor according to claim 7, characterized in that said screeding reciprocating unit (14) comprises a reciprocating support (41), a rotating disc assembly (42), a shifting fork (43) and a sliding assembly (44), wherein one end of said reciprocating support (41) is provided with said rotating disc assembly (42), said rotating disc assembly (42) and said reciprocating support (41) are rotatably connected, a shifting fork (43) is arranged in the middle of said reciprocating support (41), said shifting fork (43) and said reciprocating support (41) are rotatably connected, a sliding end of said shifting fork (43) is sleeved on said rotating disc assembly (42), said shifting fork (43) and said rotating disc assembly (42) are slidably connected, the other end of said reciprocating support (41) is provided with a sliding assembly (44), said sliding assembly (44) and said reciprocating support (41) are slidably connected, a driving end of said shifting fork (43) and a contact end of said sliding assembly (44) are engaged, and said troweling machine (15) is arranged on said sliding assembly (44).

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