CN111677314A

CN111677314A - Damaged wood floor dismantling device

Info

Publication number: CN111677314A
Application number: CN202010580748.9A
Authority: CN
Inventors: 卞荣明
Original assignee: Fuzhou Dataimi Intelligent Technology Co ltd
Current assignee: Fuzhou Dataimi Intelligent Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-18

Abstract

The invention discloses a damaged wood floor dismantling device, which comprises a shell, wherein a shell cavity with a downward opening is arranged in the shell, a cutting device is arranged in the shell cavity, the cutting device comprises two lifting slide ways which are bilaterally symmetrical, the lifting slide ways are arranged in the rear side wall of the shell cavity, an electric lifting slide block is arranged in the lifting slide ways in a sliding manner, a lifting connecting rod is fixedly arranged at the front end of the electric lifting slide block, and a lifting plate is fixedly connected with the front ends of the two lifting connecting rods. The whole dismantling process is automatic, and the dismantling process is quick and efficient.

Description

Damaged wood floor dismantling device

Technical Field

The invention relates to the field related to decoration, in particular to a damaged wood floor dismantling device.

Background

Decoration is the professional design of collection indoor design, budget, construction, material in an organic whole, and the timber apron is liked by vast resident deeply, but the timber apron can take place the damage because humidity, corruption and exogenic action in the long back of live time, just need demolish damaged floor and renew at this moment, and the tradition is demolishd and need is torn whole floor and then is changed new floor, and work load is big and waste time and energy to dismantle and probably lead to gap grow between the floor not to match the scheduling problem after the repacking.

Disclosure of Invention

The invention aims to solve the technical problem of providing a damaged wood floor dismantling device, and solves the problems that the traditional dismantling method needs to dismantle the whole floor and then replace the whole floor with a new floor, the workload is large, time and labor are wasted, and the gap between the floors is enlarged and is inappropriate after the dismantling and the reassembling.

The invention is realized by the following technical scheme.

The invention discloses a damaged wood floor dismantling device, which comprises a shell, wherein a shell cavity with a downward opening is arranged in the shell, a cutting device is arranged in the shell cavity, the cutting device comprises two lifting slideways which are bilaterally symmetrical, the lifting slideways are arranged in the rear side wall of the shell cavity, an electric lifting slider is arranged in the lifting slideways in a sliding manner, a lifting connecting rod is fixedly arranged at the front end of the electric lifting slider, a lifting plate is fixedly connected with the front ends of the two lifting connecting rods, a transverse moving slideway is arranged in the lifting plate, an electric transverse moving slider is arranged in the transverse moving slideway in a sliding manner, a steering motor is embedded in the electric transverse moving slider in a sleeving manner, a steering motor shaft is rotatably arranged at the lower end of the steering motor, a steering rotary rod is fixedly arranged at the lower end, a steering plate is arranged on the lower side of the steering connecting rod, a steering chute is arranged in the steering plate, a steering sliding block is arranged in the steering chute in a sliding manner, the steering sliding block is fixedly connected with the lower end of the steering connecting rod, a steering base shaft is arranged on the left side of the steering chute, the steering base shaft is rotatably arranged on the steering plate, and the upper end of the steering base shaft is fixedly connected with the electric transverse sliding block; dust suction devices are arranged on two sides of the cutting device and comprise two closed dust bins which are bilaterally symmetrical, the two dust bins are arranged in the left side wall and the right side wall of the shell cavity respectively, filter screens are arranged in the dust bins and fixedly arranged between the peripheral walls of the dust collectors, a dust collector is arranged on the upper side of each filter screen, a vent is arranged on the upper side of the dust collector and penetrates through the outer wall of the left side of the shell cavity and the outer wall of the right side of the shell cavity respectively, the vent is communicated with the outside of the shell and the dust bins, suction heads are arranged on the lower sides of the dust bins and fixedly arranged on the inner walls of the left side and the right side of the shell cavity respectively, and the suction heads are communicated with the dust bins through dust suction pipelines; the cutting device downside is equipped with demolishs the device, demolish the device and include two side lifting machines, two side lifting machine bilateral symmetry, two the side lifting machine sets up respectively on the shell cavity left and right sides inner wall, it is equipped with the side lifter to slide in the side lifting machine, the fixed side suction head that is equipped with of side lifter lower extreme, two be equipped with two positive lifting machines, two between the side lifting machine just symmetry around the lifting machine, two just the lifting machine is fixed the setting respectively on the shell cavity front and back side inner wall, slide in the positive lifting machine and be equipped with positive lifter, just the fixed positive suction head that is equipped with of lifter lower extreme.

Preferably, a cutting chute is arranged at the lower side of the steering chute, the cutting chute is arranged in the steering plate, an electric cutting slider is arranged in the cutting chute in a sliding manner, a cutting connecting rod is fixedly arranged at the lower end of the electric cutting slider, a cutting machine fixing plate is fixedly arranged at the lower end of the cutting connecting rod, a cutting machine electromagnet is fixedly arranged on the lower end face of the cutting machine fixing plate, a cutting machine rotating shaft is rotatably arranged at the left end of the cutting machine fixing plate and penetrates through the front end face and the rear end face of the cutting machine fixing plate, an iron cutting machine cantilever is fixedly arranged at the rear end of the cutting machine rotating shaft, the iron cutting machine cantilever is connected with the cutting machine fixing plate through a cutting machine spring, a cutting machine shell is fixedly arranged at the lower end, the cutting machine cavity internal rotation is equipped with the drive shaft, the drive shaft rotates to be set up between the side inner wall around the cutting machine cavity, the fixed cutting piece that is equipped with in the drive shaft.

Preferably, be equipped with two in the shell and inhale the slide tightly, two inhale slide bilateral symmetry tightly, inhale slide opening down tightly, it is equipped with the suction slider to inhale to slide in the slide tightly, it is equipped with and inhales the tight electro-magnet to inhale slider upside, it is fixed to set up to inhale the tight electro-magnet inhale on the slide side inner wall tightly, inhale the tight electro-magnet with inhale through inhaling tight spring coupling between the slider, inhale the slide tightly and keep away from shell cavity one side is equipped with the gas outlet, the gas outlet runs through inhale the slide tightly and keep away from a shell cavity lateral wall.

Preferably, inhale the slideway downside and be equipped with the sucking disc, the sucking disc is fixed to be set up terminal surface under the shell, be equipped with upper and lower open-ended sucking disc cavity in the sucking disc, the sucking disc cavity with inhale the slideway and communicate with each other, when inhaling into slider upward movement, form the negative pressure in the sucking disc cavity, the sucking disc can adsorb on the floor.

Preferably, shell cavity downside is equipped with the damage timber apron, the damage timber apron can be divided into the first cutting board of front side, rear side second cutting board, left side third cutting board and right side fourth cutting board after cutting apart.

Preferably, the left and right side elevators correspond to the third cutting board and the fourth cutting board respectively, and the front and rear side positive elevators correspond to the second cutting board and the first cutting board respectively.

The invention has the beneficial effects that: the wood floor cleaner is internally provided with the sucking disc which can be adsorbed on the floor, so that the wood floor cleaner can adsorb the device on the floor, the wood floor cleaner is internally provided with the reversing cutting device, a wood plate to be replaced can be automatically cut into four pieces, the dust suction device can keep the floor clean at the same time of cutting, the cut wood floor is disassembled by the disassembling device after the cutting is finished, the whole disassembling process is automatic, and the wood floor cleaner is quick and efficient.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view in the direction A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;

fig. 4 is an enlarged schematic view of the embodiment of the present invention at C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The damaged wood floor dismantling device described with reference to fig. 1-4 includes a housing 10, a housing cavity 11 with a downward opening is provided in the housing 10, a cutting device 71 is provided in the housing cavity 11, the cutting device 71 includes two lifting slides 26, the two lifting slides 26 are bilaterally symmetrical, the lifting slides 26 are provided in the rear side wall of the housing cavity 11, an electric lifting slide 51 is slidably provided in the lifting slides 26, a lifting connecting rod 52 is fixedly provided at the front end of the electric lifting slide 51, a lifting plate 27 is fixedly connected at the front end of the two lifting connecting rods 52, a traverse slide 28 is provided in the lifting plate 27, an electric traverse slide 29 is slidably provided in the traverse slide 28, a steering motor 30 is nested in the electric traverse slide 29, a steering motor shaft 32 is rotatably provided at the lower end of the steering motor 30, a steering rotary rod 33 is fixedly provided at the lower end of the steering motor shaft 32, a steering connecting rod 34 is rotatably arranged at the left end of the steering rotating rod 33, a steering plate 35 is arranged on the lower side of the steering connecting rod 34, a steering sliding groove 36 is arranged in the steering plate 35, a steering sliding block 37 is slidably arranged in the steering sliding groove 36, the steering sliding block 37 is fixedly connected with the lower end of the steering connecting rod 34, a steering base shaft 31 is arranged on the left side of the steering sliding groove 36, the steering base shaft 31 is rotatably arranged on the steering plate 35, and the upper end of the steering base shaft 31 is fixedly connected with the electric transverse sliding block 29; dust suction devices 72 are arranged on two sides of the cutting device 71, each dust suction device 72 comprises two closed dust bins 15, the two dust bins 15 are bilaterally symmetrical, the two dust bins 15 are respectively arranged in the left side wall and the right side wall of the shell cavity 11, a filter screen 14 is arranged in the dust bin 15, the filter screen 14 is fixedly arranged between the peripheral walls of the dust collector 13, a dust collector 13 is arranged on the upper side of the filter screen 14, vent holes 12 are arranged on the upper side of the dust collector 13, the two vent holes 12 respectively penetrate through the outer wall of the left side of the shell cavity 11 and the outer wall of the right side of the shell cavity 11, the ventilation opening 12 is communicated with the outside of the shell 10 and the dust bin 15, suction heads 17 are arranged on the lower side of the dust bin 15, the two suction heads 17 are respectively and fixedly arranged on the inner walls of the left side and the right side of the cavity 11 of the shell, and the suction heads 17 are communicated with the dust bin 15 through dust suction pipelines 16; a removing device 73 is arranged on the lower side of the cutting device 71, the removing device 73 comprises two side lifting machines 57, the two side lifting machines 57 are bilaterally symmetrical, the two side lifting machines 57 are respectively arranged on the inner walls of the left side and the right side of the shell cavity 11, side lifting rods 58 are slidably arranged in the side lifting machines 57, side suction heads 59 are fixedly arranged at the lower ends of the side lifting rods 58, two positive lifting machines 60 are arranged between the two side lifting machines 57, the two positive lifting machines 60 are symmetrical in the front and back directions, the two positive lifting machines 60 are respectively fixedly arranged on the inner walls of the front side and the back side of the shell cavity 11, positive lifting rods 61 are slidably arranged in the positive lifting machines 60, and positive suction heads 62 are fixedly arranged at the lower; beneficially, a cutting chute 38 is arranged on the lower side of the steering chute 36, the cutting chute 38 is arranged in the steering plate 35, an electric cutting slider 39 is arranged in the cutting chute 38 in a sliding manner, a cutting connecting rod 40 is fixedly arranged at the lower end of the electric cutting slider 39, a cutting machine fixing plate 41 is fixedly arranged at the lower end of the cutting connecting rod 40, a cutting machine electromagnet 44 is fixedly arranged on the lower end surface of the cutting machine fixing plate 41, a cutting machine rotating shaft 42 is rotatably arranged at the left end of the cutting machine fixing plate 41, the cutting machine rotating shaft 42 penetrates through the front and rear end surfaces of the cutting machine fixing plate 41, an iron cutting machine cantilever 43 is fixedly arranged at the rear end of the cutting machine rotating shaft 42, the iron cutting machine cantilever 43 is connected with the cutting machine fixing plate 41 through a cutting machine spring 45, a cutting machine housing 46 is fixedly arranged at the lower end, a driving shaft 49 is rotatably arranged in the cutter cavity 47, the driving shaft 49 is rotatably arranged between the front inner wall and the rear inner wall of the cutter cavity 47, and a cutting blade 48 is fixedly arranged on the driving shaft 49.

Beneficially, be equipped with two in the shell 10 and inhale tight slide 20, two inhale tight slide 20 bilateral symmetry, inhale tight slide 20 opening down, it has the suction slider 22 to inhale to slide in the tight slide 20, it is equipped with on the slider 22 upside and inhales tight electro-magnet 18 to inhale, inhale tight electro-magnet 18 fixed setting inhale on the side inner wall of tight slide 20 upside, inhale tight electro-magnet 18 with inhale and connect through inhaling tight spring 21 between the slider 22, inhale tight slide 20 and keep away from shell cavity 11 one side is equipped with gas outlet 19, gas outlet 19 runs through inhale tight slide 20 and keep away from shell cavity 11 a lateral wall.

Beneficially, inhale tight slide 20 downside and be equipped with sucking disc 24, sucking disc 24 is fixed to be set up terminal surface under the shell 10, be equipped with upper and lower open-ended sucking disc cavity 23 in the sucking disc 24, sucking disc cavity 23 with inhale tight slide 20 and communicate with each other, when inhaling into slider 22 upward movement, form the negative pressure in sucking disc cavity 23, sucking disc 24 can adsorb on the floor.

Advantageously, the lower side of the housing cavity 11 is provided with a damaged wooden floor 25, and the damaged wooden floor 25 is divided into a front first cutting board 55, a rear second cutting board 53, a left third cutting board 54 and a right fourth cutting board 56.

Advantageously, said right and left lateral lifting machines 57 correspond to the third cutting plate 54 and the fourth cutting plate 56, respectively, and said front and rear lateral positive lifting machines 60 correspond to the second cutting plate 53 and the first cutting plate 55, respectively.

In the initial state, the electric lifting slide block 51 does not work, the dust collector 13 does not work, the suction electromagnet 18 is not electrified, the side elevator 57 does not work, the positive elevator 60 does not work, the electric transverse moving slide block 29 does not work, the steering motor 30 does not work, the electric cutting slide block 39 does not work, the cutter electromagnet 44 is electrified, the driving shaft 49 does not work, and the cutter spring 45 is in a compressed state.

When the damaged wood floor needs to be removed, the electric lifting slide block 51 starts to work, the electric lifting slide block 51 slides downwards, the electric lifting slide block 51 drives the lifting connecting rod 52 to move downwards, the lifting connecting rod 52 drives the lifting plate 27 to move downwards, the lifting plate 27 drives the transverse moving slide way 28 to move downwards, the transverse moving slide way 28 drives the electric transverse moving slide block 29 to move downwards, the electric transverse moving slide block 29 drives the steering base shaft 31 to move downwards, the steering base shaft 31 drives the steering plate 35 to move downwards, the steering plate 35 drives the cutting chute 38 to move downwards, the cutting chute 38 drives the electric cutting slide block 39 to move downwards, the electric cutting slide block 39 drives the cutting connecting rod 40 to move downwards, the cutting connecting rod 40 drives the cutting machine fixing plate 41 to move downwards, the cutting machine fixing plate 41 drives the cutting machine rotating shaft 42 to move downwards, the cutting machine rotating shaft 42 drives, the iron cutting machine cantilever 43 drives the cutting machine shell 46 to move downwards, the cutting machine shell 46 drives the driving shaft 49 to move downwards, the driving shaft 49 drives the cutting blade 48 to move downwards until the cutting machine shell moves to a working position, at the moment, the cutting machine electromagnet 44 is powered off, the cutting machine electromagnet 44 loses attraction force on the iron cutting machine cantilever 43, due to the elastic potential energy of the cutting machine spring 45, the cutting machine spring 45 pushes the iron cutting machine cantilever 43 to rotate clockwise, the cutting blade 48 moves to the lower left side, meanwhile, the driving shaft 49 starts to work, and the driving shaft 49 drives the cutting blade 48 to rotate; at the moment, the steering motor 30 starts to work, the steering motor 30 drives the steering motor shaft 32 to rotate, the steering motor shaft 32 drives the steering rotary rod 33 to rotate, the steering rotary rod 33 drives the steering connecting rod 34 to move, the steering connecting rod 34 drives the steering sliding block 37 to slide in the steering sliding groove 36, meanwhile, the steering sliding block 37 drives the steering plate 35 to swing back and forth, when the steering plate 35 swings to the forefront side, the steering plate 35 deflects forty-five degrees forwards, the steering motor 30 stops working, the electric cutting sliding block 39 starts to work, the electric cutting sliding block 39 moves rightwards, the electric cutting sliding block 39 drives the cutting connecting rod 40 to move rightwards, the cutting connecting rod 40 drives the cutter fixing plate 41 to move rightwards, so as to drive the cutting blade 48 to cut rightwards and frontwards, after the cutting blade 48 cuts to the rightwards and frontwards, the electric cutting sliding block 39, then the steering motor 30 continues to work, the steering motor shaft 32 is driven to rotate until the steering plate 35 rotates forty-five degrees towards the rear side, the steering motor 30 stops working, the electric cutting slide block 39 starts to work, the electric cutting slide block 39 slides towards the right side, the cutting blade 48 cuts towards the right rear side until the rightmost rear side is cut, the electric cutting slide block 39 slides towards the left, the cutting blade 48 returns to the original position, and at the moment, the fourth cutting plate 56 is cut; then, the steering motor 30 continues to work, the steering motor 30 drives the steering motor shaft 32 to rotate, so that the steering plate 35 returns to the middle position, then the electric transverse moving slider 29 starts to work, the electric transverse moving slider 29 slides to the left, the electric transverse moving slider 29 drives the steering base shaft 31 to move to the left, the steering base shaft 31 drives the steering plate 35 to move to the left, the steering plate 35 drives the cutting connecting rod 40 to move to the left, the cutting connecting rod 40 drives the cutting machine fixing plate 41 to move to the left, the cutting machine fixing plate 41 drives the cutting machine shell 46 to move to the left, and the cutting machine shell 46 drives the cutting blade 48 to move to the left until the proper position is cut; driving the steering motor shaft 32 to rotate by the steering motor 30, so as to drive the steering plate 35 to deflect forty-five degrees forwards and backwards, so that the cutting blade 48 cuts towards the left back side and the left front side, and a third cutting plate 54, a second cutting plate 53 and a first cutting plate 55 are cut; the dust collector 13 starts to work at the same time of cutting, the dust collector 13 pumps air upwards, wood chips enter from the suction head 17 and enter the dust bin 15 through the dust suction pipeline 16, then are blocked by the filter screen 14, the wood chips are left in the dust bin 15, the side lifting machine 57 works after the cutting is finished, the side lifting rod 58 moves downwards, the two side suction heads 59 move downwards to respectively grab the third cutting plate 54 and the fourth cutting plate 56, the positive lifting machine 60 starts to work, the positive lifting rod 61 moves downwards, and the two positive suction heads 62 move downwards to respectively grab the second cutting plate 53 and the first cutting plate 55.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device is demolishd to damaged timber apron, includes the shell, its characterized in that: the cutting device comprises two lifting slide ways which are bilaterally symmetrical, the lifting slide ways are arranged in the rear side wall of the shell cavity, an electric lifting slide block is arranged in the lifting slide ways in a sliding manner, a lifting connecting rod is fixedly arranged at the front end of the electric lifting slide block, a lifting plate is fixedly connected at the front end of the two lifting connecting rods, a transverse moving slide way is arranged in the lifting plate, an electric transverse moving slide block is arranged in the transverse moving slide way in a sliding manner, a steering motor is sleeved in the electric transverse moving slide block in an embedded manner, a steering motor shaft is arranged at the lower end of the steering motor in a rotating manner, a steering rotating rod is fixedly arranged at the lower end of the steering motor shaft, a steering connecting rod is arranged at the left end of the steering rotating rod, a steering plate is arranged at the lower side, a steering sliding block is arranged in the steering sliding groove in a sliding mode, the steering sliding block is fixedly connected with the lower end of the steering connecting rod, a steering base shaft is arranged on the left side of the steering sliding groove, the steering base shaft is rotatably arranged on the steering plate, and the upper end of the steering base shaft is fixedly connected with the electric transverse sliding block; dust suction devices are arranged on two sides of the cutting device and comprise two closed dust bins which are bilaterally symmetrical, the two dust bins are arranged in the left side wall and the right side wall of the shell cavity respectively, filter screens are arranged in the dust bins and fixedly arranged between the peripheral walls of the dust collectors, a dust collector is arranged on the upper side of each filter screen, a vent is arranged on the upper side of the dust collector and penetrates through the outer wall of the left side of the shell cavity and the outer wall of the right side of the shell cavity respectively, the vent is communicated with the outside of the shell and the dust bins, suction heads are arranged on the lower sides of the dust bins and fixedly arranged on the inner walls of the left side and the right side of the shell cavity respectively, and the suction heads are communicated with the dust bins through dust suction pipelines; the cutting device downside is equipped with demolishs the device, demolish the device and include two side lifting machines, two side lifting machine bilateral symmetry, two the side lifting machine sets up respectively on the shell cavity left and right sides inner wall, it is equipped with the side lifter to slide in the side lifting machine, the fixed side suction head that is equipped with of side lifter lower extreme, two be equipped with two positive lifting machines, two between the side lifting machine just symmetry around the lifting machine, two just the lifting machine is fixed the setting respectively on the shell cavity front and back side inner wall, slide in the positive lifting machine and be equipped with positive lifter, just the fixed positive suction head that is equipped with of lifter lower extreme.

2. The demolition tool for damaged wood floors according to claim 1, characterized in that: a cutting chute is arranged at the lower side of the steering chute, the cutting chute is arranged in the steering plate, an electric cutting slide block is arranged in the cutting chute in a sliding manner, a cutting connecting rod is fixedly arranged at the lower end of the electric cutting slide block, a cutting machine fixing plate is fixedly arranged at the lower end of the cutting connecting rod, a cutting machine electromagnet is fixedly arranged at the lower end surface of the cutting machine fixing plate, a cutting machine rotating shaft is rotatably arranged at the left end of the cutting machine fixing plate and penetrates through the front end surface and the rear end surface of the cutting machine fixing plate, an iron cutting machine cantilever is fixedly arranged at the rear end of the cutting machine rotating shaft and is connected with the cutting machine fixing plate through a cutting machine spring, a cutting machine shell is fixedly arranged at the lower end of the, the cutting machine cavity internal rotation is equipped with the drive shaft, the drive shaft rotates to be set up between the side inner wall around the cutting machine cavity, the fixed cutting piece that is equipped with in the drive shaft.

3. The demolition tool for damaged wood floors according to claim 1, characterized in that: the shell is internally provided with two suction slide ways which are bilaterally symmetrical, the opening of each suction slide way faces downwards, a suction slide block is arranged in each suction slide way in a sliding mode, a suction electromagnet is arranged on the upper side of each suction slide block and is fixedly arranged on the inner wall of the upper side of each suction slide way, the suction electromagnets are connected with the suction slide blocks through suction springs, the suction slide ways are far away from one side of the shell cavity, and the gas outlet penetrates through the suction slide ways and is far away from one side wall of the shell cavity.

4. The demolition tool for damaged wood floors according to claim 3, characterized in that: inhale tight slide downside and be equipped with the sucking disc, the sucking disc is fixed to be set up terminal surface under the shell, be equipped with upper and lower open-ended sucking disc cavity in the sucking disc, the sucking disc cavity with inhale tight slide and communicate with each other, when inhaling the slider upward movement, form the negative pressure in the sucking disc cavity, the sucking disc can adsorb on the floor.

5. The demolition tool for damaged wood floors according to claim 1, characterized in that: the shell cavity downside is equipped with the damage timber apron, damage timber apron can be divided into the first cutting board of front side, rear side second cutting board, left side third cutting board and right side fourth cutting board after cutting apart.

6. The demolition tool for damaged wood floors according to claim 5, characterized in that: the left and right sides side lifting machine corresponds third cutting board and fourth cutting board respectively, the positive lifting machine of both sides corresponds second cutting board and first cutting board respectively around.