CN219562426U - Concrete polishing machine - Google Patents

Abstract

The utility model provides a concrete polishing machine, and belongs to the technical field of polishing machines. The concrete grinder includes a travel assembly and a grinding assembly. The travelling assembly comprises a vehicle body and a control handle, the control handle is movably arranged at one end of the vehicle body, wheels are arranged on the control handle, the polishing assembly comprises a driving piece and a grinding disc, the driving piece is arranged on the vehicle body, a rotating claw is arranged at the output end of the driving piece, a disc seat is arranged on the grinding disc, the rotating claw is movably inserted into the disc seat, and the disc seat is elastically connected with the rotating claw. In this application: the direction of the polishing machine is controlled by the advancing component through the control handle, the height of the vehicle body is changed through pitching operation, the downward pressure of the grinding disc to the bottom surface is adjusted, the operation is more direct and convenient, the polishing component utilizes the flexible connection of the rotating claw and the grinding disc, and the grinding disc can automatically attach to the ground and reduce the transmission of vibration.

Description

Concrete polishing machine

Technical Field

The utility model relates to the technical field of polishing machines, in particular to a concrete polishing machine.

Background

After the concrete face is poured, the surface of the concrete face is often more burrs and bulges, so that the concrete face is smooth, a concrete polishing machine is used for polishing the concrete face of a building, the traditional concrete polishing machine for a building can not be used for gradually fine-adjusting the use height of a polishing disc according to the size of a material bulging on the concrete face, the polishing disc is enabled to be larger in reaction force and vibration of the material bulging when polishing operation is carried out, the damage and abrasion rate of the polishing machine is accelerated, and the service life is prolonged.

In this regard, chinese patent application No. CN202220887059.7 discloses a concrete polishing machine for building, and this scheme mainly can be to polishing the dish use height fine setting gradually through adjusting screw, shock attenuation box and the motor frame that set up to satisfy the operation of polishing to the different big or small drum materials, and during the use, shock-absorbing spring and the supporting spring that set up can improve the shock resistance who grinds the CD greatly.

However, in the process of implementing the technical solution in the embodiment of the present utility model, the present inventors have found that at least the following technical problems exist in the above technology:

1. the motor is rigidly connected with the grinding disc, vibration generated by the grinding disc is directly transmitted to the motor through the rotating shaft, the service life and reliability of the motor are affected, the grinding disc cannot be inclined, and the degree of fit with the ground is difficult to ensure;

2. the height adjustment is far away from the push handle, and the adjustment is inconvenient.

Disclosure of Invention

In order to overcome the defects in the prior art, the embodiment of the utility model provides a concrete polishing machine, which can solve the problems in the prior art.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a concrete grinder includes a travel assembly and a grinding assembly.

The travelling assembly comprises a vehicle body and a control handle, the control handle is movably arranged at one end of the vehicle body, wheels are arranged on the control handle, the polishing assembly comprises a driving piece and a grinding disc, the driving piece is arranged on the vehicle body, a rotating claw is arranged at the output end of the driving piece, a disc seat is arranged on the grinding disc, the rotating claw is movably inserted into the disc seat, and the disc seat is elastically connected with the rotating claw.

In a specific embodiment, the vehicle body comprises a vehicle frame and driving wheels, and one driving wheel is respectively arranged on two sides of one end of the vehicle frame.

In a specific embodiment, the control handle comprises a swivel seat and a handle bar, wherein the swivel seat is hinged with the frame, the handle bar is rotatably connected with the swivel seat, and the lower end of the handle bar is provided with the wheels.

In a specific embodiment, the control handle further comprises a hand brake and a positioning block, the positioning block is elastically connected with the rotary seat, a positioning groove matched with the positioning block is formed in the frame, the hand brake is arranged at the upper end of the handlebar, and a brake rope on the hand brake is fixedly connected with the positioning block.

In a specific embodiment, the driving member includes a frame and a motor, the motor being mounted on the frame, the frame being mounted on the frame.

In a specific embodiment, the driving member further comprises a rotating shaft and a coupling, the rotating shaft is rotatably connected with the frame, and the rotating shaft is connected with the output end of the motor through the coupling shaft.

In a specific embodiment, the polishing assembly further comprises a dust collection piece, the dust collection piece comprises a dust collector and a dust cover, the dust collector and the dust cover are both installed on the frame, and a dust collection opening of the dust collector is communicated with the dust cover.

In a specific embodiment, the dust cover covers the grinding disc, and the dust cover is provided with bristles around.

The embodiment of the utility model has the advantages that:

the direction of the polishing machine is controlled by the advancing component through the control handle, the height of the vehicle body is changed through pitching operation, the downward pressure of the grinding disc to the bottom surface is adjusted, the operation is more direct and convenient, the polishing component utilizes the flexible connection of the rotating claw and the grinding disc, and the grinding disc can automatically attach to the ground and reduce the transmission of vibration.

Drawings

Fig. 1 is a schematic diagram of a concrete grinder according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a connection relationship between a driving member and a vehicle body according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a connection relationship between a rotating claw and a disk seat according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of the connection between the control handle and the frame according to the embodiment of the present utility model.

In the figure: 100-a traveling assembly; 110-a vehicle body; 111-a frame; 112-a drive wheel; 120-control handle; 121-transposition; 122-handle bar; 123-hand brake; 124-positioning blocks; 130-wheels; 200-a polishing assembly; 210-a driver; 211-a rack; 212-an electric motor; 213-spindle; 214-a coupling; 220-grinding disc; 230-a dust collection piece; 231-a dust collector; 232-dust hood; 240-rotating claw; 250-disc seat; 260-limit plate.

Detailed Description

The technical scheme in the embodiment of the utility model aims to solve the problems in the background technology, and the general thought is as follows:

referring to fig. 1, a concrete grinder includes a traveling assembly 100 and a grinding assembly 200. The advancing assembly 100 comprises a car body 110 and a control handle 120, the control handle 120 is movably arranged at one end of the car body 110, wheels 130 are arranged on the control handle 120, the polishing assembly 200 comprises a driving piece 210 and a grinding disc 220, the driving piece 210 is arranged on the car body 110, a rotating claw 240 is arranged at the output end of the driving piece 210, a disc seat 250 is arranged on the grinding disc 220, the rotating claw 240 is movably inserted into the disc seat 250, and the disc seat 250 is elastically connected with the rotating claw 240. Wherein, the traveling assembly 100 controls the direction of the polishing machine through the control handle 120, and changes the height of the car body 110 through pitching operation, so as to adjust the downward pressure of the grinding disc 220 to the bottom surface, the operation is more direct and convenient, and the grinding assembly 200 utilizes the flexible connection of the rotating claw 240 and the grinding disc 220, so that the grinding disc 220 can automatically attach to the ground and reduce the transmission of vibration.

Referring to fig. 1-2, a vehicle body 110 includes a frame 111 and driving wheels 112, wherein two sides of one end of the frame 111 are respectively provided with one driving wheel 112. The driving wheel 112 is used as a power source of the whole traveling assembly 100, a control switch of the driving wheel 112 is arranged on the control handle 120 so as to facilitate operation, and the frame 111 is also covered with a shell.

Referring to fig. 1 and 4, the control handle 120 includes a swivel base 121 and a handle bar 122, the swivel base 121 is hinged to the frame 111, the handle bar 122 is rotatably connected to the swivel base 121, and a wheel 130 is disposed at the lower end of the handle bar 122. The handle bars 122 are held to control the steering of the entire travel assembly 100.

Referring to fig. 1 and 4, the control handle 120 further includes a hand brake 123 and a positioning block 124, the positioning block 124 is elastically connected with the swivel base 121, a positioning slot adapted to the positioning block 124 is formed on the frame 111, the hand brake 123 is disposed at the upper end of the handle bar 122, and a brake cable on the hand brake 123 is fixedly connected with the positioning block 124. When the downward pressure of the grinding disc 220 needs to be regulated, the hand brake 123 is pinched, the brake rope on the hand brake 123 pulls the positioning block 124 to retract from the positioning groove in arc arrangement, so that the handlebar 122 and the rotary seat 121 can do pitching motion relative to the frame 111, then the hand brake 123 is loosened, the positioning block 124 is ejected to the positioning groove on the frame 111 again and is meshed, at the moment, the frame 111 is regulated in height, and the pressure of the grinding disc 220 to the bottom surface is changed due to the elastic connection of the disc seat 250 and the rotary claw 240.

Referring to fig. 1 to 3, the driving member 210 includes a frame 211 and a motor 212, the motor 212 is mounted on the frame 211, and the frame 211 is mounted on the frame 111. The frame 211 is used to connect the motor 212 and the frame 111.

Referring to fig. 1-3, the driving member 210 further includes a rotating shaft 213 and a coupling 214, the rotating shaft 213 is rotatably connected to the frame 111, and the rotating shaft 213 is axially connected to an output end of the motor 212 through the coupling 214. The motor 212 drives the rotating shaft 213 to rotate through the coupler 214, the rotating claw 240 is directly fixed on the rotating shaft 213, the rotating claw 240 is provided with four fingers, the hole on the disk seat 250 is larger than each finger on the rotating claw 240, the hole is sleeved with a rubber pad, that is, the four fingers of the rotating claw 240 are propped against the rubber pad to drive the grinding disk 220 to rotate, the grinding disk 220 can deflect and lift relative to the rotating claw 240 so as to better fit the concrete ground, a spring is arranged between the disk seat 250 and the rotating claw 240 to maintain elastic connection, vibration of the grinding disk 220 is buffered by the rubber pad and the spring, vibration transmission is reduced, and a limiting disk 260 is arranged at the four finger ends of the rotating claw 240 and is positioned in the disk seat 250 so as to keep the grinding disk 220 connected to the rotating claw 240 and cannot fall off.

Referring to fig. 1-2, the polishing assembly 200 further includes a dust collection member 230, the dust collection member 230 includes a dust collector 231 and a dust cover 232, the dust collector 231 and the dust cover 232 are both mounted on the frame 111, and a dust collection opening of the dust collector 231 is in communication with the dust cover 232. The grinding pan 220 grinds in the dust cover 232, and the generated dust is sucked by the cleaner 231.

Referring to fig. 1-2, a dust cover 232 is placed over the grinding disc 220, and bristles are provided around the dust cover 232. The bristles under the dust cover 232 can keep close to the bottom surface during pitching adjustment of the frame 111, so that dust overflow is reduced.

The utility model is used when: the motor 212 drives the rotating shaft 213 to rotate through the coupler 214, and then drives the rotating claw 240 to rotate, four fingers on the rotating claw 240 are inserted into holes on the disc seat 250, the disc seat 250 and the grinding disc 220 can be driven to rotate, the grinding disc 220 is pressed on the ground through a spring on the rotating claw 240, namely, the rotating claw 240 can drive the disc seat 250 to rotate and simultaneously keep elastic connection, so that vibration of the grinding disc 220 can be well prevented from being transmitted to the whole polishing machine, when the downward pressure of the grinding disc 220 needs to be regulated, the hand brake 123 is pinched, a brake rope on the hand brake 123 pulls the positioning block 124, the positioning block 124 is retracted from the positioning grooves in arc arrangement, the handlebar 122 and the rotating seat 121 can do pitching motion relative to the frame 111, then the hand brake 123 is released, the positioning block 124 is ejected to the positioning groove on the frame 111 again and is meshed, the frame 111 can generate height adjustment, the pressure on the bottom surface is changed, and the regulation mode is more convenient and rapid.

In summary, the polishing device controls the direction of the polishing machine through the control handle 120, and changes the height of the vehicle body 110 through pitching operation, so as to adjust the downward pressure of the polishing disc 220 on the bottom surface, the operation is more direct and convenient, and the polishing assembly 200 utilizes the flexible connection of the rotating claw 240 and the polishing disc 220, so that the polishing disc 220 can automatically attach to the ground and reduce the transmission of vibration.

It should be noted that, specific model specifications of the driving wheel 112, the hand brake 123, the motor 212, the coupling 214, the grinding disc 220, and the dust collector 231 need to be determined by model selection according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so that detailed descriptions thereof are omitted.

The power supply of the drive wheel 112, motor 212 and cleaner 231, and the principles thereof, will be apparent to those skilled in the art and will not be described in detail herein.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (8)

1. A concrete grinder, which is characterized by comprising

The travelling assembly comprises a vehicle body and a control handle, wherein the control handle is movably arranged at one end of the vehicle body, and wheels are arranged on the control handle;

the polishing assembly comprises a driving piece and a millstone, wherein the driving piece is arranged on the car body, a rotating claw is arranged at the output end of the driving piece, a millstone seat is arranged on the millstone, the rotating claw is movably inserted into the millstone seat, and the millstone seat is elastically connected with the rotating claw.

2. The concrete grinder of claim 1, wherein said body includes a frame and a drive wheel, one of said drive wheels being disposed on each side of one end of said frame.

3. The concrete grinder of claim 2, wherein said control handle includes a swivel mount and a handle bar, said swivel mount being pivotally connected to said frame, said handle bar being pivotally connected to said swivel mount, said handle bar being provided with said wheels at a lower end thereof.

4. The concrete grinder of claim 3, wherein the control handle further comprises a hand brake and a positioning block, the positioning block is elastically connected with the rotary seat, a positioning groove matched with the positioning block is formed in the frame, the hand brake is arranged at the upper end of the handle bar, and a brake rope on the hand brake is fixedly connected with the positioning block.

5. The concrete grinder of claim 4, wherein the drive member includes a frame and a motor, the motor being mounted to the frame, the frame being mounted to the frame.

6. The concrete grinder of claim 5, wherein the driving member further comprises a shaft and a coupling, the shaft is rotatably connected to the frame, and the shaft is connected to the output end of the motor through the coupling shaft.

7. The concrete grinder of claim 6, wherein the grinding assembly further includes a dust collection member including a dust collector and a dust cover, the dust collector and the dust cover being mounted to the frame, the dust collection opening of the dust collector being in communication with the dust cover.

8. The concrete grinder of claim 7, wherein said dust cover is over said grinding disc, said dust cover having bristles disposed about a perimeter thereof.