CN116141107A

CN116141107A - Concrete polishing machine

Info

Publication number: CN116141107A
Application number: CN202310207411.7A
Authority: CN
Inventors: 张新刚; 张要水; 王晓恒; 刘娇娇; 康世涛
Original assignee: Xuchang Hengzhong Building Materials Co ltd
Current assignee: Xuchang Hengzhong Building Materials Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-05-23
Anticipated expiration: 2043-03-06
Also published as: CN116141107B

Abstract

The invention relates to the technical field of building construction and discloses a concrete polishing machine, which comprises a fixed seat, wherein a transmission mechanism is arranged at the top of the fixed seat, a rotating mechanism is arranged at the bottom of the fixed seat, a plurality of groups of supporting components are arranged on the peripheral side surface of the fixed seat in an annular array, each supporting component comprises a supporting rod, and one end of each supporting rod, which is close to the fixed seat, is in sliding connection with the fixed seat through an electric sliding block. According to the invention, through the arrangement of the -shaped telescopic rod and the supporting components, the angle of the internal corner is calculated, the degree of an included angle between two groups of supporting components close to the walls on two sides of the internal corner is kept consistent with the degree of the internal corner, the movable rod is controlled to extend, the polishing component is driven to move towards the internal corner, and the concrete pavement at the internal corner is polished through the small polishing disc, so that the problem that the device cannot effectively polish concrete at the internal corner is solved.

Description

Concrete polishing machine

Technical Field

The invention relates to the technical field of building construction, in particular to a concrete polishing machine.

Background

In order to improve the flatness and smoothness of the cast-in-place concrete surfaces of outdoor floors, pavements, floors and roofs, some construction units can mechanically polish by adopting a concrete polishing machine at present, so that the flatness and smoothness of the cast-in-place concrete surfaces are improved, and the polishing technology of the concrete polishing machine generally adopts the concrete polishing machine to flatten and polish for two times after concrete pouring and before initial setting, and then performs secondary polishing.

The Chinese patent application No. CN202110121386.1 discloses a concrete polishing machine, which comprises a bottom plate, wherein a structural component for providing support is arranged on the bottom plate, the polishing device comprises a pressing block, a flattening mechanism for enabling the pressing block to rise and instantly release so as to free fall to tamp a concrete surface, and a polishing mechanism for reciprocating flattening on two sides of the pressing block so as to finish pre-polishing and secondary polishing; the polishing device is provided with an adjusting device which can adjust the weight of the pressing block and the distance between the pressing block and the concrete surface, so that the gravitational potential energy of the pressing block is changed to change the ramming pressure.

The invention has disclosed the concrete buffing machine of a kind of dust absorption of China of application number CN201810594008.3, including outer cover assembly, polishing assembly and dust collection assembly, the said dust collection assembly includes dust collection shell, dust collection tube, dust collection box, dust collector and air-supply line, the right side of the said petrol engine has said dust collection shell, said dust collection shell is fixedly connected with said petrol engine, there is said dust collector below said dust collection box, said dust collector is fixedly connected with said dust collection box; through having set up the air-supply line, can be with the powder material suction dust catcher that polishes down inside when the machine uses, reduce powder pollution, need not artifical clearance powder piece, but the gravity to the concrete of unable adjusting device of inclined plane height self-adaptation when polishing the concrete on the inclined plane of above-mentioned device.

Meanwhile, when carrying the polishing machine, most of the polishing machines adopt a manual carrying mode, time and labor are wasted, the working efficiency is affected, the pressure of the device on the inclined plane cannot be guaranteed to be consistent when the inclined plane is polished through the concrete polishing machine, and the inclined plane still cannot meet the polishing requirement after polishing.

Disclosure of Invention

The invention aims to solve the problems, and provides a concrete polishing machine.

In order to achieve the above purpose, the present invention provides the following technical solutions: the concrete polishing machine comprises a fixed seat, wherein a transmission mechanism is arranged at the top of the fixed seat, a rotating mechanism is arranged at the bottom of the fixed seat, and a plurality of groups of supporting components are arranged on the peripheral side surface of the fixed seat in an annular array;

the support assembly comprises support rods, one end of each support rod, which is close to the fixing seat, is connected with the fixing seat in a sliding manner through an electric sliding block, a group of rotating shafts are arranged between the two support rods in the support assembly, rotating rings are sleeved on the rotating shafts, a -shaped telescopic rod is arranged on the rotating rings, sliding mechanisms are arranged at the bottoms of the -shaped telescopic rods, a plurality of support rods are arranged at one ends, which are close to the fixing seat, of the bottom of each support rod, fixing rings are arranged at the bottoms of the support rods in a direction away from the fixing rings, a first protection ring and a second protection ring are sequentially arranged at the support rods, a plurality of groups of movable rods are arranged on the fixing rings in an annular array manner, polishing assemblies are arranged at the joints of the movable rods and the second protection rings, the first protection rings and the second protection rings are hollow structures and are composed of elastic materials, and rotating motors are arranged at the joints of the fixing rings and the support rods and are used for controlling the fixing rings to rotate at the bottoms of the support rods.

The device is through the flexible of "" font telescopic link and cooperation slide mechanism's rotation, has realized the removal of the device and to the pressurization of concrete road surface protruding department to through the cooperation of "" font telescopic link and supporting component realizes polishing and clearance to the reentrant corner, thereby has solved the device and can't carry out the problem of effectively polishing to reentrant corner department concrete.

Preferably, the transmission mechanism comprises a driving assembly, a limiting block is arranged at the bottom of the driving assembly, the driving assembly is fixedly connected with the fixing seat through the limiting block, a balancing weight is arranged on one side of the driving assembly, and a driving motor is arranged on one side, far away from the balancing weight, of the driving assembly.

Preferably, the top of the driving assembly is provided with a cooling water tank, the rear side of the driving assembly is provided with a connecting block, one end of the connecting block, which is far away from the driving assembly, is provided with a connecting rod, and one end of the connecting rod, which is far away from the driving assembly, is provided with an adjusting mechanism.

Preferably, the adjusting mechanism comprises a fixing rod, the fixing rod penetrates through the connecting rod and is fixedly connected with the connecting rod, an electric switch is arranged on the fixing rod and used for controlling the driving motor to be opened and closed, supporting rods are respectively arranged at two ends of the fixing rod, one ends of the supporting rods, far away from the fixing rod, are connected through limiting rods, an adjusting rod is arranged at the joint of the supporting rods and the limiting rods, and a handle is arranged at one end of the adjusting rod, far away from the limiting rods.

Preferably, the connecting rod is telescopic connecting rod, the connecting rod includes flexible end and stiff end, the dead lever is located the flexible end of connecting rod, the one end that the drive assembly was kept away from to the connecting rod is equipped with locking mechanism, locking mechanism is used for controlling the flexible and the locking of connecting rod.

Preferably, the rotating mechanism comprises a rotating assembly, the top of the rotating assembly is fixedly connected with the bottom of the fixed seat, the bottom of the rotating assembly is rotationally connected with a rotating disc through a rotating rod, the rotating rod is connected with a driving assembly and driven to rotate by the driving assembly, a counterweight ring is sleeved outside the rotating disc, a connecting disc is arranged at the bottom of the counterweight ring, a driving rod is arranged at the periphery of the connecting disc in an annular array, a fixed block is arranged at the bottom of the driving rod, and rotating blades are arranged at the bottom of the fixed block.

Preferably, the rotary mechanism bottom is equipped with the mechanism of polishing, the mechanism of polishing includes the mill, the mill top is equipped with rotor blade assorted draw-in groove, and every draw-in groove both sides are equipped with the fixture block, set up on the mill with fixture block assorted spout, just be equipped with spacing subassembly in the spout, spacing subassembly is used for controlling the slip and the locking of fixture block, the mill bottom is equipped with the subassembly of polishing, the subassembly of polishing is used for polishing ground.

Preferably, the sliding mechanism comprises a cross rod, rollers are arranged on two sides of the cross rod, a pressure sensor is arranged on the rollers, the cross rod is fixedly connected with the bottom of the -shaped telescopic rod, an electric swivel is sleeved in the middle of the cross rod, a supporting plate is connected to the electric swivel through the telescopic rod, and a plurality of sucking disc assemblies are arranged at the top of the supporting plate.

Preferably, the polishing assembly comprises a lantern ring, the lantern ring is sleeved on the outer side of the second protection ring and is fixedly connected with one end, far away from the fixed seat, of the lantern ring and the movable rod, a rotating motor is arranged at the bottom of the lantern ring, a small polishing disc is arranged on an output shaft of the rotating motor, air outlets connected with the second protection ring are formed in two sides of the bottom of the lantern ring, and electromagnetic valves are arranged in the air outlets.

Preferably, the fixing seat is provided with a control unit, the control unit is used for controlling each electric element, the supporting rod, the movable rod, the rotating blade and the -shaped telescopic rod are all electric telescopic rods, the -shaped telescopic rod is formed by splicing three electric telescopic rods, the small polishing disc is provided with a pressure sensor, and the pressure sensor is used for detecting the pressure value received by the small polishing disc.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the -shaped telescopic rod is arranged between the two support rods, the -shaped telescopic rod is formed by splicing the three electric telescopic rods, the cross rod connected with the -shaped telescopic rod is moved to the bottom of the millstone by controlling the three electric telescopic rods of the -shaped telescopic rod to extend and shorten to different degrees, and the millstone is adsorbed by the sucker assembly arranged on the support plate, so that the problem that the device needs to be manually carried to a working area when in use is effectively solved, time and labor are saved, and the production efficiency is improved.

2. According to the invention, through the cooperation of the rotating ring and the -shaped telescopic rod and other devices, the control unit controls the rotating ring to rotate so as to enable the -shaped telescopic rod to rotate above the device, the levelness of the device is detected through the level detector arranged in the device, the -shaped telescopic rod is controlled to move in the direction away from the fixed seat, and the levelness of the device is regulated in real time, so that the problem that the polished concrete plane is in an inclined state in the use process of the device is further solved, and the later use is influenced.

3. According to the invention, through the cooperation of the rotating ring and the -shaped telescopic rod and other devices, when the concrete on the inclined pavement is polished, the control unit controls all the small polishing plates to extend towards the direction close to the concrete pavement, the pressure value on each small polishing plate is detected through the pressure sensor arranged on each small polishing plate, and the plurality of -shaped telescopic rods are controlled to rotate according to the detected pressure values, so that the detected pressure values of each small polishing plate are the same, the pressure of the device on the concrete on the inclined pavement is in the same state, and the problem that the polished plane is not smooth due to the fact that the pressure values of the device on the concrete are different when the device polishes the concrete on the concrete pavement is solved.

4. According to the invention, through the arrangement of the -shaped telescopic rod and the supporting components, the angle of the internal corner is calculated, the degree of an included angle between two groups of supporting components close to the walls on two sides of the internal corner is kept consistent with the degree of the internal corner, then the value of the linear distance from the fixed seat to the internal corner can be measured through a trigonometric function, the movable rod is controlled to extend, the polishing component is driven to move towards the internal corner, and the concrete pavement at the internal corner is polished through the small polishing disc, so that the problem that the device cannot effectively polish concrete at the internal corner is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the connection of the transmission mechanism and the adjustment mechanism of the present invention;

FIG. 3 is a schematic view of a support assembly according to the present invention;

FIG. 4 is a schematic view of the structure of the "" shaped telescopic rod of the present invention;

FIG. 5 is a schematic view of a rotating mechanism according to the present invention;

FIG. 6 is a schematic elevational view of the overall structure of the present invention;

fig. 7 is a schematic view of the overall structure of another state of the invention.

In the figure: 1. a fixing seat; 2. a limiting block; 3. a drive assembly; 4. balancing weight; 5. a driving motor; 6. a cooling water tank; 7. a connecting block; 8. a connecting rod; 9. a fixed rod; 10. an electrical switch; 11. a support rod; 12. a limit rod; 13. an adjusting rod; 14. a handle; 15. a locking mechanism; 16. a rotating assembly; 17. a rotating disc; 18. a counterweight ring; 19. a connecting disc; 20. a driving rod; 21. a fixed block; 22. rotating the blade; 23. grinding disc; 24. a clamping block; 25. a support rod; 26. a rotating shaft; 27. a swivel; 28. -shaped telescopic rod; 29. a fixing ring; 30. a first protection ring; 31. a second guard ring; 32. a movable rod; 33. a polishing assembly; 3301. a collar; 3302. a rotating motor; 3303. small grinding disc; 34. a cross bar; 35. a roller; 36. and a support plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

As shown in fig. 1 to 7, a concrete polishing machine comprises a fixing seat 1, wherein a transmission mechanism is arranged at the top of the fixing seat 1, a rotating mechanism is arranged at the bottom of the fixing seat 1, a plurality of groups of supporting components are arranged on the circumferential side surface of the fixing seat 1 in an annular array, and the transmission mechanism is arranged on the fixing seat 1 to drive the rotating mechanism below the fixing seat 1 to rotate, so that a grinding disc 23 on the rotating mechanism is driven to rotate, and the concrete ground where the concrete polishing machine is located is polished.

The transmission mechanism comprises a driving assembly 3, a limiting block 2 is arranged at the bottom of the driving assembly 3, the driving assembly 3 is fixedly connected with the fixed seat 1 through the limiting block 2, a balancing weight 4 is arranged on one side of the driving assembly 3, and a driving motor 5 is arranged on one side, far away from the balancing weight 4, of the driving assembly 3; by arranging the balancing weight 4 on one side of the driving assembly 3 to offset the gravity of the driving motor 5 on one side of the driving assembly 3, the gravity on two sides of the driving assembly 3 is in a balanced state, and the problem that the concrete surface is inclined after polishing due to uneven gravity distribution when the device polishes the concrete surface is prevented.

The cooling water tank 6 is arranged at the top of the driving assembly 3, the connecting block 7 is arranged at the rear side of the driving assembly 3, the connecting block 7 is arranged at one end far away from the driving assembly 3, the connecting rod 8 is arranged at one end far away from the driving assembly 3, the adjusting mechanism is arranged at one end far away from the driving assembly 3, the cooling water tank 6 is arranged on the driving assembly 3 to cool the driving assembly 3 and the driving motor 5, so that the problem that the driving motor 5 and the driving assembly 3 are damaged by devices due to overhigh temperature after long-time use is solved, and meanwhile, the moving direction of the devices is adjusted by the adjusting mechanism which is arranged at the rear of the driving assembly 3 and on the connecting block 7, so that the devices can move towards all square directions along with the control of operators.

The adjustment mechanism includes dead lever 9, dead lever 9 runs through connecting rod 8 and with connecting rod 8 fixed connection, be equipped with electric switch 10 on the dead lever 9, electric switch 10 is used for controlling driving motor 5's opening and closing, the dead lever 9 both ends are equipped with branch 11 respectively, two branches 11 are kept away from the one end of dead lever 9 and are all connected through gag lever post 12, branch 11 and gag lever post 12 junction is equipped with regulation pole 13, the one end that gag lever post 12 was kept away from to regulation pole 13 is equipped with handle 14, through setting up electric switch 10 on the dead lever 9, and set up centrifugal assembly on electric switch 10, if the device is when the unexpected slippage in the operating personnel hand when polishing to the concrete, accessible centrifugal assembly quick control driving motor 5 stops rotating, and control driving assembly 3 locking, thereby prevent that the device from appearing damaging and causing unexpected casualties's problem, set up connecting rod 8 through setting up of two branches 11 and gag lever post 12 simultaneously, prevent the device in the use because torsion is too big and lead to connecting rod 8 crooked problem.

The connecting rod 8 is telescopic connecting rod, and connecting rod 8 includes flexible end and stiff end, and dead lever 9 is located the flexible end of connecting rod 8, and the one end that drive assembly 3 was kept away from to connecting rod 8 is equipped with locking mechanism 15, and locking mechanism 15 is used for controlling the flexible and the locking of connecting rod 8, through setting up connecting rod 8 into telescopic connecting rod to set up locking mechanism 15 on connecting rod 8, make operating personnel adjust the elongation length of connecting rod 8 according to the condition on actual road surface and operating personnel's actual height, further improvement the application range and the performance of device.

The rotating mechanism comprises a rotating assembly 16, the top of the rotating assembly 16 is fixedly connected with the bottom of a fixed seat 1, the bottom of the rotating assembly 16 is rotationally connected with a rotating disc 17 through a rotating rod, the rotating rod is connected with a driving assembly 3 and is driven to rotate through the driving assembly 3, a counterweight ring 18 is sleeved outside the rotating disc 17, a connecting disc 19 is arranged at the bottom of the counterweight ring 18, a driving rod 20 is arranged in an annular array around the connecting disc 19, a fixed block 21 is arranged at the bottom of the driving rod 20, rotating blades 22 are arranged at the bottom of the fixed block 21, the device is enabled to provide gravity for the device when polishing a concrete pavement, the problem that the device cannot be attached to the concrete pavement due to jumping on the concrete pavement is solved, meanwhile, the concrete pavement is smeared through the rotating blades 22 arranged at the bottom, when the concrete pavement needs to be photographed, the extending length of the connecting rod 8 can be adjusted, and the handle 14 is pushed downwards to enable the device to tilt and fall down for treating the concrete pavement when photographing.

The rotating mechanism bottom is equipped with the mechanism of polishing, the mechanism of polishing includes mill 23, the mill 23 top is equipped with the draw-in groove with rotor blade 22 assorted, every draw-in groove both sides are equipped with fixture block 24, set up on the mill 23 with fixture block 24 assorted spout, and be equipped with spacing subassembly in the spout, spacing subassembly is used for controlling the slip and the locking of fixture block 24, the mill 23 bottom is equipped with the subassembly of polishing, the subassembly of polishing is used for polishing ground, when needs are polished the concrete road surface that solidifies through the device, firstly remove to the direction of keeping away from the draw-in groove through control fixture block 24, and control rotor blade 22 and the mutual joint of draw-in groove on the mill 23, and accomplish the mutual joint of rotor blade 22 and mill 23 through control fixture block 24 to the draw-in groove direction remove, drive rotor blade 22 through control rotating mechanism makes mill 23 rotate this moment, make mill 23 polish the concrete road surface.

When the polishing machine is used, the electric switch 10 arranged on the connecting rod 8 is used for controlling the driving motor 5 to rotate, the driving assembly 3 is used for driving the connecting disc 19 to rotate, the driving rod 20 connected with the connecting disc 19 is used for driving the rotating blade 22 to rotate, the concrete pavement is smoothed, and when the concrete pavement needs to be polished, the rotating blade 22 and the grinding disc 23 are clamped with each other, and the driving assembly 3 is used for driving the grinding disc 23 to rotate, so that the concrete pavement is polished.

Example two

In the actual use process, constructors find that, as the device is not provided with a moving device, when the device which does not work is required to be moved to a working area, manual transportation is required to take time and labor, and when the device is used for grinding the concrete on the inclined pavement, the gravity center of the device is inclined so that the same pressure can not be applied to the inclined pavement everywhere to influence the grinding effect, and when the device is used for grinding the indoor concrete pavement, the device cannot effectively grind the concrete pavement at the indoor reentrant corner because the device is circular in appearance, so that the device is improved according to the method described in the embodiment for solving the technical problem.

The one end that is close to fixing base 1 in a plurality of bracing piece 25 bottoms is equipped with solid fixed ring 29, bracing piece 25 is equipped with first guard ring 30 and second guard ring 31 in proper order to the direction of keeping away from solid fixed ring 29, be annular array on the solid fixed ring 29 and be equipped with multiunit movable rod 32, movable rod 32 and second guard ring 31 junction is equipped with polishing subassembly 33, first guard ring 30 and second guard ring 31 inside be hollow structure and constitute by elastic material, gu fixed ring 29 and bracing piece 25 junction is equipped with rotating electrical machines, rotating electrical machines is used for controlling solid fixed ring 29 and rotates in bracing piece 25 bottoms, polishing subassembly 33 includes lantern ring 3301, the lantern ring 3301 cover is established in the outside of second guard ring 31 and lantern ring 3301 and the one end fixed connection that movable rod 32 kept away from fixing base 1, lantern ring 3301 bottom is equipped with rotating electrical machines 3302, be equipped with small-size polishing dish 3303 on the output shaft of rotating electrical machines 3302, lantern ring 3301 bottom both sides are equipped with the gas outlet of being connected with second guard ring 31, be equipped with electromagnetic valve in the gas outlet.

The fixing base 1 is provided with a control unit, the control unit is used for controlling each electric element, the supporting rods 25, the movable rods 32, the rotating blades 22 and the -shaped telescopic rods 28 are all electric telescopic rods, the -shaped telescopic rods 28 are formed by splicing three electric telescopic rods, the supporting components comprise the supporting rods 25, one ends, close to the fixing base 1, of the supporting rods 25 are connected with the fixing base 1 in a sliding mode through electric sliding blocks, a group of rotating shafts 26 are arranged between the two supporting rods 25 in each group of supporting components, rotating rings 27 are sleeved on the rotating shafts 26, the rotating rings 27 are provided with the -shaped telescopic rods 28, the bottoms of the -shaped telescopic rods 28 are provided with sliding mechanisms, each sliding mechanism comprises a transverse rod 34, idler wheels 35 are arranged on two sides of each transverse rod 34 and are fixedly connected with the bottoms of the -shaped telescopic rods 28, electric rotating rings are sleeved in the middle of the transverse rods 34, supporting plates 36 are connected with supporting plates through telescopic rods, and a plurality of sucking disc components are arranged at the tops of the supporting plates 36.

Firstly, set up "" font telescopic link 28 between two bracing pieces 25, and "" font telescopic link 28 is by three electric telescopic link concatenation constitution, when the device is moved to the work area to the needs control, the extension and the shortening of three electric telescopic links through control "" font telescopic link 28 make the horizontal pole 34 that is connected with "" font telescopic link 28 remove to the bottom of mill 23, with control unit control "" font telescopic link 28 shrink in vertical direction make backup pad 36 and mill 23 bottom laminating that is connected with horizontal pole 34, and adsorb mill 23 through the sucking disc subassembly that sets up on backup pad 36, thereby prevent that the device is at the in-process mill 23 is removed to the work area because jolt and rotor blade 22 break away from the problem with mill 23 knock down, the device has effectively been solved simultaneously and has been required artifical transport to the problem of work area when using, labour saving and time saving improves production efficiency.

Secondly, when the device polishes the concrete pavement, the control unit controls the swivel 27 to rotate so as to enable the -shaped telescopic rod 28 to rotate above the device, the level detector arranged in the device is used for detecting the levelness of the device, if the device is inclined at the moment, the control unit controls the -shaped telescopic rod 28 at the inclined position to rotate towards the direction close to the fixed seat 1 again, and controls the -shaped telescopic rods 28 at the other positions to move towards the direction far from the fixed seat 1, so as to adjust the levelness of the device in real time, in the process, the control unit controls the three electric telescopic rods on the -shaped telescopic rod 28 to extend and shorten to different degrees, thereby preventing the problem that the -shaped telescopic rod 28 collides with the device during rotation and damages the device, the problem that the ground concrete product plane is in an inclined state and the later use is influenced because the device is in a non-horizontal state in the use process is further solved, when the concrete on the inclined pavement needs to be ground, the control unit controls all the small grinding plates 3303 to extend towards the direction close to the concrete pavement, the pressure value on each small grinding plate 3303 is detected through the pressure sensor arranged on the small grinding plate 3303, the plurality of -shaped telescopic rods 28 are controlled to rotate according to the detected pressure value, the pressure value detected by each small grinding plate 3303 is the same, the situation that the pressure caused by the device on the concrete on the inclined pavement is the same is realized, and the device is prevented from grinding the concrete on the concrete pavement, the problem of non-smooth polished plane is caused by different pressure values of the device on the concrete.

When the concrete pavement is polished, because the concrete pavement is solidified, when the solidified concrete pavement is large in protrusion, large pressure needs to be applied to the device to effectively polish the concrete protrusion, at the moment, the control unit controls the electric swivel arranged below the '' type telescopic rod 28 to drive the support plate 36 to rotate, so that the support plate 36 rotates to the side close to the concrete, the '' type telescopic rod 28 is controlled to drive the support plate 36 to move away from the grinding disc 23, the support plate 36 moves to the outer side of the grinding disc 23 and the electric telescopic rod which controls the '' type telescopic rod 28 to shrink in the vertical direction, so that the support plate 36 is on the same horizontal plane with the grinding disc 23, and the sucking disc assembly is attached to the concrete pavement, at the moment, the '' type telescopic rod 28 is controlled to shrink in the vertical direction to be close to the concrete pavement, and at the moment, the '' type telescopic rod 28 is controlled to apply downward pressure to the device to effectively polish the large protrusion on the concrete pavement.

Finally, when the internal concrete corner is required to be polished, the angle of the internal corner is measured and calculated firstly, the four groups of support components are controlled by the control unit to rotate around the fixed seat 1, so that the degrees of included angles between the two groups of support components close to the walls at the two sides of the internal corner are the same as the degrees of the internal corner, the telescopic rod 28 is controlled to rotate so that the roller 35 moves to the side close to the wall, at the moment, the support plate 36 is attached to the surface of the second protection ring 31, then the device is controlled to approach the internal corner, at the moment, whether the device is attached to the wall or not is detected by the pressure sensor arranged on the roller 35, if the pressure sensor contacted with the wall detects the pressure value, the device is judged to have moved to the internal corner, since the degree of the internal corner is the same as the degree of the included angle formed by the two sets of rollers 35, the linear distance between the rollers 35 and the fixed seat 1 is a known distance, the value of the linear distance between the fixed seat 1 and the internal corner can be measured through a trigonometric function, at this time, the fixed ring 29 is controlled by the control unit to rotate, so that one polishing component 33 moves to the angle bisector of the two rollers 35, and the movable rod 32 is controlled to stretch, so that the polishing component 33 is driven to move to the internal corner, in the process, since the first protective ring 30 and the second protective ring 31 are both flexible components and are hollow, at this time, the first protective ring 30 and the second protective ring 31 deform, so that the polishing component 33 positioned at the internal corner can move to the internal corner direction, and the concrete pavement at the internal corner is polished through the small polishing disk 3303, meanwhile, the control unit is used for controlling the '' shaped telescopic rods 28 on the two support assemblies far away from the internal corner to move towards the second protection ring 31 and rotate to extrude the second protection ring 31, so that gas in the second protection ring 31 is sprayed out towards the internal corner through the gas outlet, dust polished at the internal corner is blown away, the problem that the polishing height of the internal corner cannot be effectively detected by the pressure sensor due to the fact that dust is accumulated at the internal corner is prevented, meanwhile, the control unit is used for synchronously controlling the movable rods 32 to shrink and rotate to uniformly polish the internal corner region, and the problem that the device cannot effectively polish concrete at the internal corner is solved.

It should be noted that, the device realizes the movement of the device and the pressurization of the protruding part of the concrete pavement through the expansion of the '' shaped expansion link 28 and the rotation of the matched sliding mechanism, and realizes the polishing and cleaning of the internal corner through the mutual matching of the '' shaped expansion link 28 and the supporting component, thereby solving the problem that the device cannot effectively polish the concrete at the internal corner.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The concrete polishing machine comprises a fixed seat, and is characterized in that a transmission mechanism is arranged at the top of the fixed seat, a rotating mechanism is arranged at the bottom of the fixed seat, and a plurality of groups of supporting components are arranged on the peripheral side surface of the fixed seat in an annular array;

2. The concrete polishing machine of claim 1, wherein the transmission mechanism comprises a driving assembly, a limiting block is arranged at the bottom of the driving assembly, the driving assembly is fixedly connected with the fixing seat through the limiting block, a balancing weight is arranged on one side of the driving assembly, and a driving motor is arranged on one side, far away from the balancing weight, of the driving assembly.

3. The concrete grinder of claim 2, wherein the top of the drive assembly is provided with a cooling water tank, the rear side of the drive assembly is provided with a connecting block, one end of the connecting block away from the drive assembly is provided with a connecting rod, and one end of the connecting rod away from the drive assembly is provided with an adjusting mechanism.

4. A concrete grinder according to claim 3, wherein the adjusting mechanism comprises a fixing rod, the fixing rod penetrates through the connecting rod and is fixedly connected with the connecting rod, an electric switch is arranged on the fixing rod and is used for controlling the driving motor to be turned on and off, two ends of the fixing rod are respectively provided with a supporting rod, one ends of the two supporting rods far away from the fixing rod are connected through a limiting rod, an adjusting rod is arranged at the joint of the supporting rods and the limiting rod, and a handle is arranged at one end of the adjusting rod far away from the limiting rod.

5. A concrete grinder according to claim 3, wherein the connecting rod is a telescopic connecting rod, the connecting rod comprises a telescopic end and a fixed end, the fixed rod is located at the telescopic end of the connecting rod, one end of the connecting rod, which is far away from the driving assembly, is provided with a locking mechanism, and the locking mechanism is used for controlling the telescopic and locking of the connecting rod.

6. The concrete polishing machine of claim 1, wherein the rotating mechanism comprises a rotating assembly, the top of the rotating assembly is fixedly connected with the bottom of the fixed seat, the bottom of the rotating assembly is rotationally connected with a rotating disc through a rotating rod, the rotating rod is connected with the driving assembly and is driven to rotate through the driving assembly, a counterweight ring is sleeved outside the rotating disc, a connecting disc is arranged at the bottom of the counterweight ring, a driving rod is arranged around the connecting disc in an annular array, a fixed block is arranged at the bottom of the driving rod, and rotating blades are arranged at the bottom of the fixed block.

7. The concrete polishing machine of claim 1, wherein the bottom of the rotating mechanism is provided with a polishing mechanism, the polishing mechanism comprises a grinding disc, the top of the grinding disc is provided with clamping grooves matched with the rotating blades, clamping blocks are arranged on two sides of each clamping groove, a sliding groove matched with each clamping block is formed in the grinding disc, a limiting assembly is arranged in each sliding groove and used for controlling sliding and locking of each clamping block, and a polishing assembly is arranged at the bottom of the grinding disc and used for polishing the ground.

8. The concrete grinder of claim 1, wherein the sliding mechanism comprises a cross rod, rollers are arranged on two sides of the cross rod, a pressure sensor is arranged on the rollers, the cross rod is fixedly connected with the bottom of the -shaped telescopic rod, an electric swivel is sleeved in the middle of the cross rod, a supporting plate is connected to the electric swivel through the telescopic rod, and a plurality of sucking disc assemblies are arranged at the top of the supporting plate.

9. The concrete polishing machine of claim 1, wherein the polishing assembly comprises a collar, the collar is sleeved on the outer side of the second protection ring and fixedly connected with one end of the movable rod, far away from the fixed seat, of the collar, a rotating motor is arranged at the bottom of the collar, a small polishing disc is arranged on an output shaft of the rotating motor, air outlets connected with the second protection ring are arranged on two sides of the bottom of the collar, and an electromagnetic valve is arranged in the air outlets.

10. The concrete polishing machine of claim 9, wherein the fixing base is provided with a control unit, the control unit is used for controlling each electric element, the supporting rod, the movable rod, the rotating blade and the -shaped telescopic rod are all electric telescopic rods, the -shaped telescopic rod is formed by splicing three electric telescopic rods, and the small polishing disc is provided with a pressure sensor which is used for detecting the pressure value received by the small polishing disc.