CN217897191U

CN217897191U - Troweling machine

Info

Publication number: CN217897191U
Application number: CN202222075038.8U
Authority: CN
Inventors: 宋少奇; 刘祥; 孙龙; 孙建才; 庞涛
Original assignee: Beijing Urban and Rural Construction Group Co Ltd
Current assignee: Beijing Urban and Rural Construction Group Co Ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-25
Anticipated expiration: 2032-08-05

Abstract

The application relates to the technical field of construction equipment, and discloses a troweling machine which is characterized by comprising a protective cover, a handrail, a troweling frame, a trowel, a driving device for driving the troweling frame to rotate and a lifting device for driving the protective cover to lift, wherein the handrail is fixedly connected to the protective cover, the troweling frame is rotatably connected below the protective cover, the trowel is fixed at the bottom of the troweling frame, the driving device comprises a driving motor, a belt wheel and a conveying belt, the belt wheel is coaxially and fixedly connected to a rotating shaft of the troweling frame, the driving motor is fixedly connected to the side of the protective cover, and the driving motor is in transmission connection with the belt wheel through the conveying belt; the lifting device comprises a lifting rod group and a lifting mechanism for driving the lifting rod group to lift, the lifting rod group comprises three groups, and the three groups of lifting rod groups are uniformly distributed on the outer edge of the protective cover. This application is smeared efficiently, makes things convenient for the removal of trowel, the change of the trowel of being convenient for.

Description

Troweling machine

Technical Field

The application relates to the technical field of construction equipment, in particular to a troweling machine.

Background

A troweling machine is a machine used for troweling the surface of concrete. The cement floor trowelling machine is widely used for trowelling large-area cement floors of high-standard workshops, warehouses, parking lots and the like, the trowelled surface is smoother and smoother than the manually trowelled surface, and the compactness and the wear resistance of the concrete surface can be greatly improved.

In the existing cement troweling machine, in order to ensure the safety of a troweling knife assembly during working, a protective cover is fixedly arranged on the troweling machine. Because the weight of troweling machine is great, need many people to lift up the troweling machine when changing the trowel and change the trowel, waste time and energy. Because the spatula assembly is direct and ground contact, when removing the troweling machine suitable position, for preventing to damage the spatula assembly at the translation in-process, also often need many people to lift up the troweling machine, lift the troweling machine to waiting to polish ground, then carry out the troweling, remove the in-process and need many people to cooperate closely, and waste time and energy, influence the efficiency of work.

Therefore, it is necessary to adjust the relative height between the troweling machine and the ground, so that the troweling machine is convenient to replace and maintain, the troweling machine can be conveniently moved, the working efficiency of the troweling machine is improved, and the damage of the troweling machine in the moving process is avoided.

SUMMERY OF THE UTILITY MODEL

In order to improve the smoothing efficiency of smoothing machine, make things convenient for the removal of smoothing machine, the change of the spatula of being convenient for, this application provides a smoothing machine.

The above application purpose of the present application is achieved by the following technical solutions:

a troweling machine comprises a protective cover, a handrail, a troweling knife rack, a troweling knife, a driving device for driving the troweling knife rack to rotate and a lifting device for driving the protective cover to lift, wherein the handrail is fixedly connected to the protective cover; the lifting device comprises a lifting rod assembly and a lifting mechanism for driving the lifting rod assembly to lift, the lifting rod assembly comprises three groups, and the lifting rod assemblies are uniformly distributed on the outer edge of the protective cover.

By adopting the technical scheme, the driving device can realize the rotation of the trowel frame, so that the trowel can trowel the cement ground; the lifting device can realize the whole up-down movement of the protective cover, so that the spatula is separated from the ground or is contacted with the ground, and the replacement of the spatula and the movement of the troweling machine are facilitated.

Preferably, the lifting rod group comprises a sliding sleeve vertically fixed on the outer side of the protective cover, and the lifting rod is slidably connected in the sliding sleeve.

Through adopting above-mentioned technical scheme, the lifter slides from top to bottom in the sliding sleeve, can realize the whole lift of protection casing, makes things convenient for the removal of trowelling machine and makes things convenient for the change of trowel.

Preferably, the bottom of the lifting rod is fixedly connected with a roller

Through adopting above-mentioned technical scheme, when the bottom of lifter is less than the trowel, gyro wheel and ground contact conveniently remove the smoothing machine to required position, need not many people and carry the smoothing machine, have improved the work efficiency of smoothing machine.

Preferably, elevating system is including fixing the elevator motor in protection casing central authorities top, elevator motor's the vertical upwards and fixed connection driving gear of pivot, the protection casing top is passed through branch and is rotated the horizontally dwang of connection, the dwang includes threely, every the dwang corresponds with corresponding lifter group, dwang one end fixed connection and driving gear meshing's driven gear, the coaxial worm of other end fixed connection of dwang, sliding sleeve outside upper end fixed connection support frame, rotate on the support frame and connect the gear train, the lifter is equipped with the rack along length direction, the worm passes through the gear train and is connected with rack drive.

Through adopting above-mentioned technical scheme, elevator motor passes through the meshing of driving gear and driven gear and realizes the rotation of dwang, and the dwang passes through the transmission of gear train and rack and realizes the upper and lower slip of lifter in the sliding sleeve to realize the whole lift of protection casing.

Preferably, the gear set comprises a worm wheel and a transmission gear, the worm wheel is coaxially and fixedly connected with the transmission gear, the worm wheel is meshed with the worm, and the transmission gear is meshed with the rack.

By adopting the technical scheme, the worm drives the worm to rotate so as to synchronously drive the transmission gear to rotate, and the transmission gear drives the rack to move up and down, so that the lifting rod moves up and down in the sliding sleeve to drive the protective cover to move up and down integrally.

Preferably, a protective shell covers the outer side of the lifting motor.

Through adopting above-mentioned technical scheme, the last protecting crust that sets up of elevator motor can effectively avoid constructor to take place the incident.

Preferably, the driving gear and the driven gear are both bevel gears.

Through adopting above-mentioned technical scheme, three conical driven gear of conical driving gear can drive in step rotate, realizes that three lifter of three lifter group reciprocates in step, protects the stationarity of the lift of protection casing.

Preferably, the spatula frame is a cross frame body, and the bottom of the cross frame body is fixedly connected with four spatulas respectively.

Through adopting above-mentioned technical scheme, set up four spatulas, can improve the efficiency and the quality of cement ground smoothing, improve productivity.

To sum up, the beneficial technical effect of this application does:

the trowel frame can be driven to rotate by arranging the driving device, so that the trowel can be used for polishing the cement ground; the lifting device can realize the whole up-down movement of the protective cover, so that the spatula is separated from the ground or is contacted with the ground, and the replacement of the spatula and the movement of the troweling machine are facilitated. This application can improve the smoothing efficiency of smoothing machine, makes things convenient for the removal of smoothing machine, the change of the spatula of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a schematic structural view of the present application with the protective shell removed;

fig. 3 is an enlarged view of a portion a of fig. 2.

Figure, 1, protective cover; 2. a handrail; 3. a knife rest is smeared; 4. a spatula; 5. a drive device; 51. a drive motor; 52. a pulley; 53. a conveyor belt; 6. a lifting device; 61. a lifter group; 611. a sliding sleeve; 612. a lifting rod; 6121. a rack; 6122. a roller; 62. a lifting mechanism; 621. a lifting motor; 6211. a driving gear; 6212. a protective shell; 622. rotating the rod; 6221. a driven gear; 6222. a worm; 623. a support frame; 624. a gear set; 6241. a turbine; 6242. a transmission gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

As shown in fig. 1, a troweling machine, including protection casing 1, handrail 2, troweling knife rack 3, troweling knife 4, drive troweling knife rack 3 pivoted drive arrangement 5 and drive lifting device 6 that protection casing 1 goes up and down, handrail 2 fixed connection is on protection casing 1, troweling knife rack 3 rotates to be connected in the protection casing 1 below, troweling knife 4 is fixed in troweling knife rack 3 bottom, drive arrangement 5 includes driving motor 51, band pulley 52 and conveyer belt 53, band pulley 52 coaxial fixed connection is in troweling knife rack 3 pivot, driving motor 51 fixed connection is at protection casing 1 avris, driving motor 51 passes through conveyer belt 53 and is connected with band pulley 52 transmission, driving motor 51 can drive troweling knife rack 3 through conveyer belt 53 and rotate, thereby drive troweling knife 4 horizontal rotation, realize the troweling work of troweling knife to cement ground. The lifting device 6 comprises a lifting rod group 61 and a lifting mechanism 62 for driving the lifting rod group 61 to lift, the lifting rod group 61 comprises three groups, and the three groups of lifting rod groups 61 are uniformly distributed on the outer edge of the protective cover 1; lifting or falling of the whole protective cover 1 is realized through lifting of the lifting rod group 61, the protective cover 1 does not need to be turned over integrally or the protective cover 1 needs to be lifted by multiple persons for carrying out trowel replacement, and maintenance of the troweling machine is facilitated.

The lifting rod set 61 of the present embodiment includes a sliding sleeve 611 vertically fixed on the outer side of the protection cover 1, the lifting rod 612 is slidably connected in the sliding sleeve 611, and the lifting or lowering of the protection cover 1 is realized by controlling the lifting rod 612 to slide up and down in the sliding sleeve 611.

As shown in fig. 2 and 3, specifically, the lifting mechanism 62 includes a lifting motor 621 fixed above the center of the shield 1, a rotating shaft of the lifting motor 621 is vertically upward, the rotating shaft of the lifting motor 621 is fixedly connected to a driving gear 6211, the upper side of the shield 1 is rotatably connected to a horizontal rotating rod 622 through a supporting rod, the rotating rods 622 include three ones, each rotating rod 622 corresponds to a corresponding lifting rod group 61, one end of each rotating rod 622 is fixedly connected to a driven gear 6221 engaged with the driving gear 6211, the other end of each rotating rod 622 is fixedly connected to a coaxial worm 6222, the upper end of the outer side of the sliding sleeve 611 is fixedly connected to a supporting frame 623, the supporting frame 623 is rotatably connected to a gear set 624, the lifting rod 612 is provided with a rack 6121 along the length direction, and the worm 6222 is in transmission connection with the rack 6121 through the gear set 624.

The gear set 624 of the present embodiment includes a worm gear 6241 and a driving gear 6242, the worm gear 6241 is coaxially and fixedly connected with the driving gear 6242, the worm gear 6241 is engaged with the worm 6222, and the driving gear 6242 is engaged with the rack 6121.

The lifting motor 621 can drive the driving gear 6211 to rotate by rotation, so as to simultaneously drive the three driven gears 6221 engaged therewith to synchronously rotate, and enable the three rotating rods 622 to synchronously rotate, the three rotating rods 622 drive the corresponding worm 6222 to rotate, the worm 6222 drives the corresponding transmission gear 6242 to rotate through the worm wheel 6241, finally the transmission gear 6242 drives the corresponding lifting rod 612 to lift through the rack 6121, and finally the lifting of the protective cover 1 is realized. Through the transmission of the worm wheel 6241 and the worm 6222, the lifting of the lifting rod 612 can be controlled, and meanwhile, due to the self-locking function of the worm wheel 6241 and the worm 6222, when the lifting motor 621 stops working, the lifting rod 612 and the sliding sleeve 611 can still keep relatively static, so that the lifting rod 612 is prevented from moving after being in place.

In order to facilitate the movement of the troweling machine and reduce the labor intensity of the workers, the bottom of the lifting rod 612 is fixedly connected with a roller 6122. Before and after the troweling machine works, the protective cover 1 can be lifted through the lifting device 6, so that the troweling machine can be conveniently moved to a working site or moved out of the working site through the roller 6122, the troweling machine does not need to be carried by manpower, the labor intensity of workers is greatly reduced, and the working efficiency is improved. After the troweling machine moves to a working site, the protective cover 1 falls down through the lifting device 6, so that the trowels 4 on the troweling knife rest 3 are in direct contact with the cement ground, and the troweling machine can be put into operation quickly.

As shown in fig. 3, the driving gear 6211 and the driven gear 6221 of the present embodiment are both bevel gears. The three conical driven gears 6221 can be synchronously driven to rotate by the conical driving gear 6211, so that the three lifting rods 612 of the three lifting rod groups 61 synchronously move up and down, and the lifting stability of the protective cover is ensured.

In order to protect the safety of workers, a protective shell 6212 covers the outer side of the lifting motor 621, so that potential safety hazards to the workers when the driving gear 6211 is meshed with the driven gear 6221 are prevented.

The spatula frame 3 of this embodiment adopts the cross support body, four spatulas 4 of cross support body bottom difference fixed connection.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The troweling machine is characterized by comprising a protective cover (1), a handrail (2), a troweling frame (3), a troweling knife (4), a driving device (5) for driving the troweling knife frame (3) to rotate and a lifting device (6) for driving the protective cover (1) to lift, wherein the handrail (2) is fixedly connected to the protective cover (1), the troweling knife frame (3) is rotatably connected below the protective cover (1), the troweling knife (4) is fixed at the bottom of the troweling knife frame (3), the driving device (5) comprises a driving motor (51), a belt wheel (52) and a conveying belt (53), the belt wheel (52) is coaxially and fixedly connected to a rotating shaft of the troweling knife frame (3), the driving motor (51) is fixedly connected to the side of the protective cover (1), and the driving motor (51) is in transmission connection with the belt wheel (52) through the conveying belt (53); elevating gear (6) are including elevating system (62) that lifter group (61) and drive lifter group (61) go up and down, lifter group (61) are including three groups, three groups lifter group (61) evenly distributed is in protection casing (1) outer fringe.

2. The troweling machine according to claim 1, characterized in that said lifting rod set (61) comprises a sliding sleeve (611) vertically fixed on the outside of the protection shield (1), said sliding sleeve (611) being slidably connected with the lifting rod (612).

3. The troweling machine according to claim 2, characterized in that a roller (6122) is fixedly connected to the bottom of the lifting rod (612).

4. The troweling machine according to claim 2, characterized in that the lifting mechanism (62) comprises a lifting motor (621) fixed above the center of the protection cover (1), a rotating shaft of the lifting motor (621) vertically faces upwards and is fixedly connected with a driving gear (6211), a horizontal rotating rod (622) is rotatably connected above the protection cover (1) through a supporting rod, the rotating rod (622) comprises three rotating rods (622), each rotating rod (622) corresponds to a corresponding lifting rod set (61), one end of each rotating rod (622) is fixedly connected with a driven gear (6221) meshed with the driving gear (6211), the other end of each rotating rod (622) is fixedly connected with a coaxial worm (6222), a supporting frame (623) is fixedly connected to the upper end of the outer side of the sliding sleeve (611), a gear set (624) is rotatably connected to the supporting frame (623), a rack (6121) is arranged on the lifting rod (612) in the length direction, and the worm (6222) is in transmission connection with the rack (6121) through the gear set (6121).

5. The troweling machine according to claim 4, characterized in that said gear set (624) comprises a worm gear (6241) and a transmission gear (6242), said worm gear (6241) being coaxially and fixedly connected with said transmission gear (6242), said worm gear (6241) being engaged with said worm (6222), said transmission gear (6242) being engaged with said rack (6121).

6. The troweling machine according to claim 4, characterized in that a protective shell (6212) is covered outside the lifting motor (621).

7. The troweling machine according to claim 4, characterized in that the driving gear (6211) and the driven gear (6221) are both bevel gears.

8. The troweling machine according to claim 1, characterized in that the troweling frame (3) is a cross frame body, and four trowels (4) are fixedly connected to the bottom of the cross frame body respectively.