CN211597603U - A concrete finishing device - Google Patents

Abstract

The utility model discloses a concrete surface collecting device, which comprises a motor, a transmission rod and a rotating shaft. The output shaft of the motor protrudes downward and is connected with a hydraulic cylinder after passing through a first bearing; The first pin hole and the fixing table, the transmission rod is fixed on the fixing table through the second bearing, and the upper end and the lower end of the transmission rod are respectively connected to the meshing teeth on the output shaft of the motor and the rotating shaft and the transmission rod through transmission teeth. The lower end of the rotating shaft is detachably connected with the wiper disc; it also includes a glass fiber reinforced plastic shell, the shell includes a cylindrical protective shell, the protective shell is provided with a second pin hole, and the hydraulic cylinder passes through the first pin. The hole, the second pin hole and the pin are fixedly connected to the housing; the device is more flexible to use and meets the requirements for construction devices on construction sites with different conditions; the detachable wiper disc is convenient to meet the requirements of various working conditions, And the motor is erected separately, on the other hand, it is also convenient for transportation.

Description

A concrete finishing device

technical field

The utility model relates to the field of concrete construction devices, in particular to a concrete surface collecting device.

Background technique

In the concrete pouring project, when the concrete is vibrated, the surface should be treated according to the engineering requirements. This process is called concrete finishing, which is mainly related to the initial setting time of the concrete. The quality of the finishing depends on the time. For concrete pouring projects with a construction area of more than 100 square meters, manual construction is no longer comparable to using a trowel to finish the surface. For concrete finishing under some special structures, such as concrete formwork construction, the trowel has a special structure. The disc or motor is easily blocked by the bracket of the concrete formwork, and the troweling disc cannot touch the construction surface, thereby affecting the concrete plastering efficiency and the progress of the project.

Utility model content

In order to solve the above technical problems, the utility model provides a concrete surface collecting device, which includes a motor, a transmission rod and a rotating shaft. The output shaft of the motor extends downward and is connected to a hydraulic cylinder after passing through the first bearing; the The outer side of the middle of the hydraulic cylinder is provided with a first pin hole and a fixing table, the fixing table is provided with a second bearing, the transmission rod is fixed on the fixing table through the second bearing, and the upper and lower ends of the transmission rod are driven by The teeth are respectively connected with the meshing teeth on the output shaft of the motor and the long meshing teeth on the rotating shaft which are matched with the transmission teeth; the upper end of the rotating shaft is connected with the piston rod of the hydraulic cylinder through the third bearing, and the lower end is detachably connected with the wiper disc; It includes a glass fiber reinforced plastic casing sleeved on the motor, hydraulic cylinder and wiper disc; the casing includes a circular truncated baffle plate and a column-shaped protective shell arranged on the circular truncated platform, and the protective shell is provided with the first latch hole The second bolt hole in the same position, the hydraulic cylinder is fixedly connected to the housing through the first bolt hole, the second bolt hole and the bolt.

In particular, the bottom of the rotating shaft is provided with two radial projections, the center of the wiper disc is provided with a groove that can be rotated after the projections are inserted, and a limiting wedge that can be inserted into the grooves .

In particular, the bottom of the protective shell is provided with a triangular stiffening rib connected with the circular frustum-shaped baffle.

In particular, the upper part of the protective shell is connected to the motor through at least two connecting pieces, and the connecting pieces include a ring-shaped limit table disposed on the motor and a limit through hole disposed on the upper part of the protective shell and a limit ring, the outer side of the limit ring is also provided with a radial threaded column; after the limit ring is sleeved on the annular limit table, the threaded column extends out of the protective shell through the limit through hole, and then Nut fixed.

In particular, an insulating handle is also provided on the outer side of the circular frustum-shaped baffle.

The beneficial effects of the utility model are: the height of the motor can be raised or lowered as required by the retractable hydraulic piston rod, the use is more flexible, and the different requirements of the construction device for different conditions on the construction site are met; the detachable wiper disc is convenient for To meet the requirements of various working conditions, the wiper disc and the motor are erected separately, and on the other hand, it is also convenient for transportation.

Description of drawings

Figure 1 is a schematic diagram of the structure of the device of the present invention.

FIG. 2 is a schematic view of the structure of the housing of the device of the present invention.

FIG. 3 is a top view of the structure at B in FIG. 1 .

FIG. 4 is a schematic diagram of the cross-sectional structure of the A-A plane in FIG. 3 .

FIG. 5 is a schematic diagram of the structure of the limit ring.

Among them, motor-1; first bearing-11; annular limit table-13; meshing tooth-12; transmission rod-2; rotating shaft-3; transmission tooth-31; long meshing tooth-312; third bearing- 32; hydraulic cylinder-4; first pin hole-41; fixing strip-42; second bearing-421; piston rod-43; wiping disc-5; shell-6; circular frustum-shaped baffle-61; protective shell- 62; Second pin hole-63; Stiffener-64; Insulation handle-7.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings.

As shown in Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5, a concrete surface collecting device includes a motor 1, a transmission rod 2 and a rotating shaft 3. The output shaft of the motor 1 protrudes downward and passes through The first bearing 11 is then connected to the hydraulic cylinder 4; a first pin hole 41 and a fixing table 42 are arranged on the outer side of the middle of the hydraulic cylinder 4, and a second bearing 421 is arranged on the fixing table 42, and the transmission rod 2 passes through the second bearing 421. The two bearings 421 are fixed on the fixed platform 42 , and the upper and lower ends of the transmission rod 2 are respectively connected to the meshing teeth 12 on the output shaft of the motor 1 and the long strips on the rotating shaft 3 that match the transmission teeth 31 through the transmission teeth 31 . tooth 312; the transmission rod 2 transmits the rotation output by the motor 1 to the wiper disc 5 through the meshing teeth 12 and the long meshing teeth 312; the upper end of the rotating shaft 3 is connected with the piston rod 43 of the hydraulic cylinder 4 through the third bearing 32, The lower end is detachably connected with the wiper disc 5; the motor 1, the transmission mechanism and the wiper disc 5 can be separated through the detachable connection, which is convenient for the construction site with obstacles; it also includes sleeves on the motor 1, the hydraulic cylinder 4 and the wiper disc 5. The glass fiber reinforced plastic shell 6, on the one hand, can play the role of protecting the transmission mechanism and the motor 1, on the other hand, it can play the role of fixing the motor 1, the hydraulic cylinder 4 and the shell 6, and can also beautify the appearance of the device; The housing 6 includes a circular truncated baffle plate 61 and a cylindrical protective shell 62 arranged on the truncated truncated platform. The cylinder 4 is fixedly connected to the casing 6 through the first bolt hole 41, the second bolt hole 63 and the bolt; the bolt is inserted into the second bolt hole 63 and the first bolt hole 41 in sequence to prevent the hydraulic cylinder 4 and the casing 6 from rotating , so that the rotation from the output shaft of the motor 1 can act on the erasing disc 5 better.

As a preferred technical solution, the bottom of the rotating shaft 3 is provided with two radial projections, the center of the wiper disc 5 is provided with a groove 33 that can be rotated after the rotating shaft 3 is inserted, and a groove 33 that can be inserted into any The limit wedge 34 of the groove 33; after the wiper disc 5, the motor 1 and the transmission mechanism are in place, the connection between the rotating shaft 3 and the wiper disc 5 relies on the groove 33; Insert the notch position of the groove 33, then rotate and lock, insert the limit wedge 34 in the vacated position of the groove 33 to prevent the bump from rotating when the motor 1 decelerates; when disassembling, take out the limit wedge 34 first, and then rotate in the opposite direction Rotate shaft 3 to remove the wiper disc 5.

As a preferred technical solution, the bottom of the protective shell 62 is provided with a triangular stiffening rib 64 connected with the circular frustum-shaped baffle plate 61 ; the stiffening rib 64 mainly plays a role of stable support.

As a preferred technical solution, the upper part of the protective shell 62 is connected to the motor 1 through at least two connecting pieces, and the connecting pieces include a ring-shaped limit stand 13 arranged on the motor 1 and arranged on the motor 1 . The limiting through hole and the limiting ring 14 on the upper part of the protective shell 62 are also provided with radial threaded posts 15 on the outer side of the limiting ring 14 ; The threaded post 15 protrudes out of the protective shell 62 through the limiting through hole, and is then fixed with a nut; when in use, since the traveling direction of the device needs to be adjusted, it is necessary to reinforce the housing 6 and the motor 1 again. The position ring 14 is tightly sleeved on the annular limit table 13 of the motor 1, and the threaded column 15 of the limit ring 14 extends out of the shell 6 through the limit through hole at the same level on the shell 6, and then uses the tightening screw. The cap fixes the motor 1 in the housing 6; in order to balance the forces in all directions, an even number of limit rings 14 are generally chosen to be symmetrically arranged.

As a preferred technical solution, an insulating handle 7 is also provided on the outer side of the circular truncated baffle 61 .

In actual use, first place the wiper disc 5 on the concrete to be collected, and then extend the piston rod 43 of the hydraulic cylinder 4 until the wiper disc 5 and the rotating shaft 3 can still be connected together in the presence of obstacles. Since the outer side of the rotating shaft 3 is provided with the elongated meshing teeth 312, the meshing state between the elongated meshing teeth 312 and the transmission teeth 31 can always be ensured during the extension or contraction of the piston rod; the length of the piston rod 43 is adjusted to The surface can be closed normally, the casing 6 is erected, the first bolt hole 41 and the second bolt hole 63 are aligned, and the bolt is inserted; the bolt is mainly used to bear the weight of the casing 6 and prevent the hydraulic cylinder 4 and the casing 6. The situation of relative displacement; then a limit ring 14 is sleeved on the annular limit table 13, the limit ring 14 is generally made of thick steel wire, and then the threaded column 15 is extended out of the housing 6 through the limit through hole, and then tightened Tighten the nut. At this point, the work of collecting the concrete surface can be carried out normally, and the traveling direction of the device can be adjusted through the insulating handle 7 .

Claims (5)

1. A concrete surface collecting device, characterized in that it comprises a motor (1), a transmission rod (2) and a rotating shaft (3), and the output shaft of the motor (1) protrudes downward and passes through the first bearing ( 11) is then connected to the hydraulic cylinder (4); the hydraulic cylinder (4) is provided with a first pin hole (41) and a fixing table (42) on the outer side of the middle, and a second bearing (42) is arranged on the fixing table (42). 421), the transmission rod (2) is fixed on the fixed table (42) through the second bearing (421), and the upper and lower ends of the transmission rod (2) are connected to the motor (1) respectively through the transmission teeth (31). The meshing teeth (12) on the output shaft and the long meshing teeth (312) on the rotating shaft (3) matched with the transmission teeth (31); the upper end of the rotating shaft (3) communicates with the hydraulic cylinder through the third bearing (32) The piston rod (43) of (4) is connected, and the lower end is detachably connected with the wiper disc (5); it also includes a glass fiber reinforced plastic shell (6) sleeved on the motor (1), the hydraulic cylinder (4) and the wiper disc (5). ); the casing (6) includes a circular frustum-shaped baffle plate (61) and a cylindrical protective shell (62) arranged on the circular platform, and the protective shell (62) is provided with the first latch hole (41) The second bolt hole (63) in the same position, the hydraulic cylinder (4) is fixedly connected to the casing (6) through the first bolt hole (41), the second bolt hole (63) and the bolt. 2 . The concrete surface finishing device according to claim 1 , wherein the bottom of the rotating shaft ( 3 ) is provided with two radial projections, and the wiping disc ( 5 ) is provided with projections at the center of the circle. 3 . A groove (33) that can be rotated after the block is inserted is also provided with a limit wedge (34) that can be inserted into the groove (33). 3 . The concrete surface finishing device according to claim 1 , wherein the bottom of the protective shell ( 62 ) is provided with a triangular stiffening rib ( 64 ) connected with the circular frustum-shaped baffle plate ( 61 ). 4 . 4. The concrete surface finishing device according to claim 1, characterized in that, the upper part of the protective shell (62) is connected to the motor (1) through at least two connectors, the connectors comprising: The annular limit table (13) on the motor (1), the limit through hole and the limit ring (14) arranged on the upper part of the protective shell (62), and the outside of the limit ring (14) is also A radial threaded column (15) is provided; after the limit ring (14) is sleeved on the annular limit table (13), the threaded column (15) protrudes out of the protective shell (62) through the limit through hole , and then fix it with a nut. 5 . The concrete surface finishing device according to claim 1 , wherein an insulating handle ( 7 ) is further provided on the outer side of the circular truncated baffle plate ( 61 ). 6 .

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