CN111227712A

CN111227712A - Basketball timber apron scratch care implement

Info

Publication number: CN111227712A
Application number: CN202010088375.3A
Authority: CN
Inventors: 林慧
Original assignee: 林慧
Current assignee: Mulingjie
Priority date: 2020-02-12
Filing date: 2020-02-12
Publication date: 2020-06-05
Anticipated expiration: 2040-02-12
Also published as: CN111227712B

Abstract

The invention relates to a nursing device, in particular to a basketball wood floor scratch nursing device. The technical problem is how to design a basketball timber apron scratch care apparatus who polishes deashing integral type, and can save time. The utility model provides a basketball timber apron scratch care implement, including the automobile body, the third sliding sleeve is all embedded to install on both sides automobile body medial surface upper portion, the head rod slidingtype place in between the third sliding sleeve of both sides, install in of first lead screw rotary type in head rod middle part, its one end rigid coupling has the leader, the other end with one side automobile body inboard rotary type is connected. According to the invention, the first polishing wheel is driven to move downwards to be in contact with the scratch of the basketball wood floor by pulling the first handle, the motor is started, the first polishing wheel can rotate to polish the scratch, and meanwhile, the dust suction mechanism sucks away and collects dust and debris, so that a large amount of time is saved and labor is saved.

Description

Basketball timber apron scratch care implement

Technical Field

The invention relates to a nursing device, in particular to a basketball wood floor scratch nursing device.

Background

The floor of the existing indoor basketball court is mostly made of wood floor, the basketball court has the functions of skid resistance, shock absorption and sound insulation, the materials are environment-friendly and pollution-free, the wood floor system can meet the performance requirements of professional sports stadiums, the service life of the basketball court can be as long as decades of years, the basketball court looks beautiful, and the basketball court is comfortable to step on.

However, no matter human factors, the environment of the basketball hall and sports equipment are adopted, the wood floor of the basketball hall can be damaged in different degrees, when the painted surface of the wood floor of the basketball hall is dark and dull, scratches and falling off occur, the wood floor needs to be polished and renovated, but the wood floor of the basketball hall is polished by a polishing machine, ash is removed after polishing is finished, and a large amount of time is wasted due to the fact that simultaneous operation cannot be carried out.

In order to solve the problem, the basketball wood floor scratch nursing equipment which is integrated with polishing and ash removing and can save time is specially provided.

Disclosure of Invention

In order to overcome the defects that the basketball wood floor is polished by a polishing machine, ash removal is needed after polishing is finished, simultaneous operation cannot be carried out, and a large amount of time is wasted, the technical problems of the invention are as follows: the utility model provides a basketball timber apron scratch care apparatus of deashing integral type of polishing, and can save time.

The technical scheme is as follows: a basketball wood floor scratch nursing equipment comprises: the first screw rod rotary type installation is in the middle of the first connecting rod, one end of the first screw rod rotary type installation is fixedly connected with a first handle, the other end of the first screw rod rotary type installation is connected with the inner side of the vehicle body on one side, the number of the first sliding sleeves is at least two, the first sliding sleeves are installed on one side of the vehicle body far away from the third sliding sleeves, the rack is sliding type installation is between the first sliding sleeves on two sides, the rack is also rotatably connected with the first screw rod, the number of the wheels is at least four, and the rack is rotatably installed on one side, close to the first sliding sleeves, of the outer sides of the vehicle bodies on two sides; the polishing mechanism is arranged between the rack and the vehicle body and is used for polishing scratches of the basketball wood floor; and the dust collection mechanism is arranged on one side of the rack far away from the first handle, is also matched with the grinding mechanism and is used for sucking away and collecting dust and debris.

Optionally, the polishing mechanism includes a first gear, a second sliding sleeve, a sliding block, a spring, a first polishing wheel, a third gear and a nut, the second sliding sleeve is symmetrically installed on one side of the vehicle body close to the first sliding sleeve, the sliding block is slidably placed in the second sliding sleeve, the spring is connected between one side of the sliding block away from the first sliding sleeve and the inner side of the second sliding sleeve, the first polishing wheel is rotatably connected between the sliding blocks close to the two sides of the dust suction mechanism, the number of the third gears is at least two and is installed on two sides of the first polishing wheel, the second gear is symmetrically and rotatably installed on one side of the frame facing the first polishing wheel, the second gear close to the first polishing wheel is meshed with the third gear, the motor is installed on one side of the frame close to the first sliding sleeve, and the output shaft of the motor is connected with the first gear, the first gear is meshed with the second gear close to the first sanding wheel, the nut is installed on one side of the outer side of the rack far away from the first sanding wheel, and the first screw rod is connected in the nut in a penetrating mode and matched with the nut.

Optionally, the dust collecting mechanism comprises a first rotating shaft, a fifth gear, a first straight bevel gear, a box body, a pulling plate, a ventilating pipe, a sucker, a second rotating shaft, a second straight bevel gear, a third straight bevel gear, a sealing plate, a third rotating shaft, a fourth straight bevel gear, a fan blade and a dust filtering plate, wherein the box body is installed on one side of the frame far away from the motor, the dust filtering plate is fixedly connected between one sides of the box body close to the motor, the pulling plate is slidably placed on one side of the box body close to the dust filtering plate and matched with the box body, the sealing plate is installed between one sides of the box body far away from the dust filtering plate, the third rotating shaft is rotatably connected in the middle of the sealing plate in a penetrating manner, the fan blade is fixedly connected to the end part of the third rotating shaft facing the dust filtering plate, the fourth straight bevel gear is fixedly connected to the end part of, its tip rigid coupling towards first emery wheel of polishing has third straight bevel gear, install in the second pivot portion of keeping away from third straight bevel gear with fourth straight bevel gear meshing second straight bevel gear, the rotatory installation in frame one side of being close to the box of first pivot is one end rigid coupling have with third straight bevel gear meshing first straight bevel gear, its other end rigid coupling have with second gear meshing fifth gear, be close to and install the sucking disc between first emery wheel's both sides automobile body one side, the ventilation pipe connect in on the sucking disc, its tail end with box one side fixed connection towards the motor, just the ventilation pipe with intercommunication in the box.

Optionally, the grinding machine further comprises a support frame and a measuring scale, the support frame is mounted on one side of the machine frame far away from the first grinding wheel, and the measuring scale is mounted on one side of the support frame far away from the machine frame and matched with the first connecting rod.

Optionally, still including second sanding wheel, fourth gear, second connecting rod, second lead screw, belt pulley, second handle and flat belt, keeping away from being connected with the second sanding wheel of rotary type between the both sides slider of first sanding wheel, be two at least with the quantity of second gear complex fourth gear, its install in the both sides of second sanding wheel, the quantity of second connecting rod is two at least, and it installs between the both sides automobile body of keeping away from the sucking disc, just install in of second lead screw rotary type between the second connecting rod of both sides, its cross-under in frame one side, just the second lead screw pass through the screw thread with the frame cooperation, the belt pulley is installed in the tip of second lead screw, the flat belt wind between the belt pulley of both sides, the centre of a circle position in one of them belt pulley is installed to the second handle.

According to the invention, the first polishing wheel is driven to move downwards to be in contact with the scratch of the basketball wood floor by pulling the first handle, the motor is started, the first polishing wheel can rotate to polish the scratch, meanwhile, the dust suction mechanism sucks away dust and debris, so that a large amount of time is saved by operating at the same time, labor is saved, and the small scratch on the basketball wood floor can be polished by the action of the second polishing wheel, so that scratches with different sizes can be polished.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged schematic view of the structure of the present invention a.

Fig. 3 is a schematic partial perspective view of a first embodiment of the present invention.

Fig. 4 is a schematic partial perspective view of a second embodiment of the present invention.

FIG. 5 is a schematic view of a third partial perspective structure according to the present invention.

Fig. 6 is a sectional structure diagram of the present invention.

In the above drawings: 1: vehicle body, 2: wheel, 3: first sliding sleeve, 4: a frame, 5: a motor, 6: first gear, 7: second gear, 8: second runner, 9: slider, 10: spring, 11: first grinding wheel, 12: third gear, 13: third runner, 14: first connecting rod, 15: nut, 16: first lead screw, 17: first handle, 18: support, 19: measuring tape, 20: second grinding wheel, 21: fourth gear, 22: second connecting rod, 23: second screw, 24: pulley, 25: second handle, 26: flat belt, 27: first rotating shaft, 28: fifth gear, 29: first straight-tooth bevel gear, 30: case, 31: pulling plate, 32: vent, 33: suction cup, 34: second rotating shaft, 35: second straight bevel gear, 36: third straight bevel gear, 37: seal plate, 38: third rotating shaft, 39: fourth straight bevel gear, 40: fan blade, 41: dust filter plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, 3, 4, 5 and 6, a basketball wood floor scratch nursing device comprises a vehicle body 1, wheels 2, a first sliding sleeve 3, a frame 4, a polishing mechanism, a third sliding sleeve 13, a first connecting rod 14, a first screw rod 16, a first handle 17 and a dust suction mechanism, wherein the wheels 2 are symmetrically arranged on the lower parts of the outer side surfaces of the vehicle body 1 on the left and right sides, the third sliding sleeve 13 is arranged on the upper parts of the inner side surfaces of the vehicle body 1 on the left and right sides, the first connecting rod 14 is arranged between the third sliding sleeve 13 on the left and right sides in a sliding manner, the first screw rod 16 is rotatably connected between the middle part of the first connecting rod 14 and the middle part of the inner right side surface of the vehicle body 1, the first handle 17 is fixedly connected to the top end of the first screw rod 16, the first sliding sleeve 3 is arranged on the lower parts of the inner side surfaces of the vehicle body 1 on the, the frame 4 is also provided with a dust suction mechanism which is matched with the grinding mechanism.

The grinding mechanism comprises a first gear 6, a second gear 7, a second sliding sleeve 8, a sliding block 9, a spring 10, a first grinding wheel 11, a third gear 12 and a nut 15, wherein the lower parts of the inner side surfaces of the left and right vehicle bodies 1 are symmetrically provided with the second sliding sleeve 8 in a front-back manner, the sliding block 9 is arranged in the second sliding sleeve 8 in a sliding manner, the spring 10 is connected between the bottom of the sliding block 9 and the inner bottom of the second sliding sleeve 8, the first grinding wheel 11 is rotatably connected between the inner side surfaces of the sliding blocks 9 at the two sides in front, the left and right parts of the first grinding wheel 11 are fixedly connected with the third gear 12, the inner side surfaces at the left and right sides of the lower part of the rack 4 are symmetrically and rotatably provided with the second gear 7, the second gear 7 at the front side is meshed with the third gear 12, the right side of the bottom of the inner side surface of the rack 4 is provided with, the middle of the outer top of the frame 4 is fixedly connected with a nut 15, and a first screw rod 16 is positioned in the nut 15 and matched with the nut.

The dust suction mechanism comprises a first rotating shaft 27, a fifth gear 28, a first straight bevel gear 29, a box body 30, a pulling plate 31, a ventilation pipe 32, a suction disc 33, a second rotating shaft 34, a second straight bevel gear 35, a third straight bevel gear 36, a sealing plate 37, a third rotating shaft 38, a fourth straight bevel gear 39, fan blades 40 and a dust filtering plate 41, wherein the box body 30 is arranged at the left side of the bottom of the inner side of the rack 4, the dust filtering plate 41 is fixedly connected between the right part in the box body 30 and the inner side of the rack 4, the pulling plate 31 is arranged at the right part of the front side of the box body 30 and matched with the pulling plate, the sealing plate 37 is fixedly connected between the left part in the box body 30 and the rack 4, the third rotating shaft 38 is rotatably connected at the middle part of the sealing plate 37, the fan blades 40 are fixedly connected at the right end of the third rotating shaft 38, the fourth straight bevel gear 39 is arranged at the left end of the third rotating shaft 38, the second straight bevel gear 35 is meshed with a fourth straight bevel gear 39, the bottom end of the second rotating shaft 34 is fixedly connected with a third straight bevel gear 36, the left part of the front side of the bottom of the rack 4 is rotatably connected with a first rotating shaft 27, the right end of the first rotating shaft 27 is fixedly connected with a first straight bevel gear 29, the first straight bevel gear 29 is meshed with the third straight bevel gear 36, the left end of the first rotating shaft 27 is fixedly connected with a fifth gear 28, the fifth gear 28 is meshed with a left front side second gear 7, the front part of the right side of the box body 30 is connected with a ventilation pipe 32, the ventilation pipe 32 is communicated with the inside of the box body 30, suction cups 33 are installed on the front sides of the lower parts of the inner side surfaces of the left and right side vehicle bodies 1, the tops of the.

Firstly, an operator moves the device to a basketball court and moves to a scratch position, then pulls a first handle 17 to rotate forwards, the first handle 17 rotates forwards to drive a first screw rod 16 to rotate forwards, the first screw rod 16 rotates forwards to drive a frame 4 to move downwards, the frame 4 moves downwards to drive a polishing mechanism to move downwards, the polishing mechanism moves downwards to contact with a basketball wood floor, the polishing mechanism stops rotating the first handle 17, the polishing mechanism can be started, the polishing mechanism operates to polish the scratch on the basketball wood floor, meanwhile, the polishing mechanism also drives a dust collection mechanism to operate, the dust collection mechanism operates to suck away dust and debris generated in the polishing process to collect, and similarly, when the scratch on the basketball wood floor is polished to a proper degree, the polishing mechanism is closed, the dust collection mechanism stops operating, the first handle 17 rotates backwards, the frame 4 drives the polishing mechanism to operate upwards to reset, and painting the polished position. So relapse, can be continuous polish the processing to the scratch on the basketball timber apron. When a proper amount of dust and debris are in the dust suction mechanism, the dust and debris in the dust suction mechanism can be taken out for treatment.

When an operator pulls the first handle 17 to rotate forwards, the first handle 17 rotates forwards to drive the rack 4 to move downwards through the nut 15, the rack 4 moves downwards to drive the first polishing wheel 11 to move downwards, the first polishing wheel 11 moves downwards to drive the front sliding block 9 to move downwards, the spring 10 is compressed, when the first polishing wheel 11 moves downwards to contact with scratches on the basketball wood floor, the first handle 17 stops rotating, the motor 5 can be started, the motor 5 rotates to drive the first gear 6 to rotate, the first gear 6 rotates to drive the right front side second gear 7 to rotate, the right front side second gear 7 rotates to drive the third gear 12 to rotate, the third gear 12 rotates to drive the first polishing wheel 11 to rotate, the first polishing wheel 11 rotates to polish scratches on the basketball wood floor, meanwhile, the left side third gear 12 rotates to drive the left front side second gear 7 to rotate, the left front side second gear 7 rotates to drive the dust collection mechanism to operate, the dust collection mechanism is used for sucking away and collecting dust and debris in the polishing process. When scratches on the basketball wood floor are polished to a proper degree, the motor 5 is turned off, the first polishing wheel 11 stops rotating, the first handle 17 is pulled to rotate reversely, the rack 4 drives the first polishing wheel 11 to move upwards to reset, and the front spring 10 resets. So, need not people and squat down to hold grinding tool and polish the scratch, labour saving and time saving.

When the motor 5 is started, the second gear 7 on the front left side rotates to drive the fifth gear 28 to rotate, the fifth gear 28 rotates to drive the first rotating shaft 27 to rotate, the first rotating shaft 27 rotates to drive the first spur bevel gear 29 to rotate, the first spur bevel gear 29 rotates to drive the third spur bevel gear 36 to rotate, the third spur bevel gear 36 rotates to drive the second rotating shaft 34 to rotate, the second rotating shaft 34 rotates to drive the second spur bevel gear 35 to rotate, the second spur bevel gear 35 rotates to drive the fourth spur bevel gear 39 to rotate, the fourth spur bevel gear 39 rotates to drive the third rotating shaft 38 to rotate, the third rotating shaft 38 rotates to drive the fan blades 40 to rotate, the fan blades 40 rotate to suck dust and debris into the ventilation pipe 32 through the suction cups 33, the dust and debris in the ventilation pipe 32 are sucked into the box 30, and the dust filter plate 41 filters the dust. After scratches on the basketball wood floor are polished to a proper degree, the motor 5 is turned off, the fan blades 40 stop rotating, and when a proper amount of dust and chips are in the box body 30, the pulling plate 31 can be pulled to be separated from the box body 30, the chips in the box body 30 are taken out and processed, and after the chips are all taken out, the pulling plate 31 is inserted back to the box body 30. Therefore, the surrounding environment can be prevented from being influenced by the debris and the dust.

Example 2

Referring to fig. 1 and 3, the present embodiment is different from embodiment 1 mainly in that the present embodiment further includes a support frame 18 and a measuring tape 19, the support frame 18 is fixedly connected between the right sides of the top of the rack 4, the measuring tape 19 is installed in the middle of the top of the support frame 18, and the measuring tape 19 is located on the front side of the first connecting rod 14.

When an operator pulls the first handle 17 to rotate forwards, the rack 4 moves downwards to drive the supporting frame 18 to move downwards, the supporting frame 18 moves downwards to drive the measuring tape 19 to move downwards, and the operator can know how long the rack 4 moves downwards by checking the measuring tape 19, and also know how much distance the first grinding wheel 11 moves downwards. In this way, it is clear to the operator how much the first grinding wheel 11 should be moved.

Referring to fig. 1, 2, 3 and 4, the vehicle body further includes a second polishing wheel 20, a fourth gear 21, a second connecting rod 22, a second lead screw 23, a belt pulley 24, a second handle 25 and a flat belt 26, the upper portions of the inner side surfaces of the vehicle body 1 on the left and right sides are connected with the second connecting rod 22 in a front-back symmetrical manner, the middle portions of the second connecting rod 22 on the front and back sides are rotatably connected with the two second lead screws 23, the second lead screw 23 is matched with the frame 4 through a thread, the front end of the second lead screw 23 is fixedly connected with the belt pulley 24, the flat belt 26 is wound between the belt pulleys 24 on the left and right sides, the second handle 25 is fixedly connected to the center of the circle of the front side surface of the right belt pulley 24, the second polishing wheel 20 is rotatably connected between the inner side surfaces of the slider 9 on the left and right sides of the rear side.

When small scratches on the basketball wood floor need to be polished, the second handle 25 can be pulled to rotate reversely, the second handle 25 rotates reversely to drive the right belt pulley 24 to rotate reversely, the right belt pulley 24 rotates reversely to drive the left belt pulley 24 to rotate reversely through the flat belt 26, the left and right belt pulleys 24 rotate reversely to drive the second screw 23 to rotate reversely, the second screw 23 rotates reversely to drive the rack 4 to move backwards, the rack 4 moves backwards to drive the second gear 7 to move backwards, the second gear 7 moves backwards to be separated from the third gear 12, when the rear second gear 7 moves backwards to be meshed with the fourth gear 21, the second handle 25 is stopped to be pulled, the second polishing wheel 20 moves downwards to be in contact with the scratches on the basketball wood floor by pulling the first handle 17 to rotate forwards, the rear spring 10 is compressed, the motor 5 is started, the second polishing wheel 20 rotates to polish the scratches on the basketball wood floor, when the scratches are polished to a proper degree, the motor 5 is turned off, the second grinding wheel 20 stops rotating, the first handle 17 is pulled to rotate reversely, the second gear 7 moves upwards to reset, and the sliding block 9 moves upwards to drive the second grinding wheel 20 to move upwards to reset without contacting with the basketball wood floor under the action of the rear spring 10. Thus, small scratches can be polished.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a basketball timber apron scratch care implement which characterized in that, including:

the upper parts of the inner side surfaces of the two vehicle bodies (1) are provided with third sliding sleeves (13) in an embedded manner, the first connecting rod (14) is slidably arranged between the third sliding sleeves (13) at the two sides, the first screw rod (16) is rotatably arranged in the middle of the first connecting rod (14), one end of the first sliding sleeve is fixedly connected with a first handle (17), the other end of the first sliding sleeve is rotatably connected with the inner side of the vehicle body (1) on one side, the number of the first sliding sleeves (3) is at least two, which is arranged at one side of the vehicle body (1) far away from the third sliding sleeve (13), the frame (4) is arranged between the first sliding sleeves (3) at two sides in a sliding way, it is also rotatably connected with the first screw rod (16), the number of the wheels (2) is at least four, the sliding sleeve is rotatably arranged on one side, close to the first sliding sleeve (3), of the outer sides of the car bodies (1) on the two sides;

the polishing mechanism is arranged between the rack (4) and the vehicle body (1) and is used for polishing scratches of the basketball wood floor;

the dust collection mechanism is arranged on one side of the rack (4) far away from the first handle (17), is matched with the grinding mechanism and is used for sucking away and collecting dust and debris.

2. The basketball wood floor scratch nursing device according to claim 1, wherein the grinding mechanism comprises a first gear (6), a second gear (7), a second sliding sleeve (8), a sliding block (9), a spring (10), a first grinding wheel (11), a third gear (12) and a nut (15), the second sliding sleeve (8) is symmetrically installed on one side of the two side car bodies (1) close to the first sliding sleeve (3), the sliding block (9) is slidably placed in the second sliding sleeve (8), the spring (10) is connected between one side of the sliding block (9) far away from the first sliding sleeve (3) and the inner side of the second sliding sleeve (8), the first grinding wheel (11) is rotatably connected between the sliding blocks (9) close to the two sides of the dust collection mechanism, the number of the third gears (12) is at least two, and the third gears are installed on two sides of the first grinding wheel (11), the rotary type of the symmetry formula is equipped with second gear (7) towards frame (4) one side of first sanding wheel (11), second gear (7) that are close to first sanding wheel (11) with third gear (12) meshing, motor (5) are installed in frame (4) one side that is close to first sliding sleeve (3), are connected with first gear (6) on its output shaft, first gear (6) with second gear (7) meshing that are close to first sanding wheel (11), nut (15) are installed in the frame (4) outer one side of keeping away from first sanding wheel (11), first lead screw (16) cross-under in nut (15) rather than the cooperation.

3. The basketball wood floor scratch nursing device according to claim 2, wherein the dust collection mechanism comprises a first rotating shaft (27), a fifth gear (28), a first straight bevel gear (29), a box body (30), a pulling plate (31), a ventilation pipe (32), a suction cup (33), a second rotating shaft (34), a second straight bevel gear (35), a third straight bevel gear (36), a sealing plate (37), a third rotating shaft (38), a fourth straight bevel gear (39), fan blades (40) and dust filter plates (41), the box body (30) is installed on one side of the rack (4) far away from the motor (5), the dust filter plates (41) are fixedly connected between one sides of the inner side of the box body (30) close to the motor (5), the pulling plate (31) is slidably placed on one side of the box body (30) close to the dust filter plates (41) and is matched with the box body (30), the sealing plate (37) is installed between one side in the box body (30) far away from the dust filtering plate (41), the third rotating shaft (38) is rotatably connected to the middle of the sealing plate (37) in a penetrating way, fan blades (40) are fixedly connected to the end part of the sealing plate (37) facing the dust filtering plate (41), a fourth straight bevel gear (39) is fixedly connected to the end part of the sealing plate (37) far away from the dust filtering plate (41), the second rotating shaft (34) is rotatably installed on one side of the box body (30) close to the sealing plate (37), the end part of the sealing plate facing the first grinding wheel (11) is fixedly connected with a third straight bevel gear (36), the second straight bevel gear (35) meshed with the fourth straight bevel gear (39) is installed on one side of the second rotating shaft (34) far away from the third straight bevel gear (36), the first rotating shaft (27) is rotatably installed on one side of the rack (4) close to the box body (30), and one end of the first straight bevel gear (29) meshed with the, its other end rigid coupling have with second gear (7) meshing fifth gear (28), install sucking disc (33) between being close to the both sides automobile body (1) one side of first emery wheel (11), ventilation pipe (32) connect in on sucking disc (33), its tail end with box (30) one side fixed connection towards motor (5), just ventilation pipe (32) with communicate in box (30).

4. The basketball wood floor scratch nursing device according to claim 3, further comprising a support frame (18) and a measuring ruler (19), wherein the support frame (18) is installed on the side of the frame (4) far away from the first grinding wheel (11), and the measuring ruler (19) is installed on the side of the support frame (18) far away from the frame (4) and is matched with the first connecting rod (14).

5. The basketball wood floor scratch nursing device according to claim 4, further comprising a second grinding wheel (20), a fourth gear (21), a second connecting rod (22), a second screw rod (23), a belt pulley (24), a second handle (25) and a flat belt (26), wherein the second grinding wheel (20) is rotatably connected between the two side sliding blocks (9) far away from the first grinding wheel (11), the number of the fourth gear (21) matched with the second gear (7) is at least two, the fourth gear is mounted on two sides of the second grinding wheel (20), the number of the second connecting rod (22) is at least two, the second connecting rod is mounted between the two side vehicle bodies (1) far away from the suction cup (33), and the second screw rod (23) is rotatably mounted between the two side second connecting rods (22) and is connected to one side of the frame (4), the second screw rod (23) is matched with the rack (4) through threads, the belt pulley (24) is installed at the end part of the second screw rod (23), the flat belt (26) is wound between the belt pulleys (24) on the two sides, and the second handle (25) is installed at the circle center position of one belt pulley (24).