CN112220402A

CN112220402A - Walking mechanism of floor sweeping robot

Info

Publication number: CN112220402A
Application number: CN202011124592.XA
Authority: CN
Inventors: 兰志勇
Original assignee: Huaibei Fengfeng Industrial Design Co Ltd
Current assignee: Huaibei Fengfeng Industrial Design Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-01-15
Anticipated expiration: 2040-10-20
Also published as: CN112220402B

Abstract

The invention relates to the technical field of intelligent home furnishing, and discloses a walking mechanism of a sweeping robot, wherein contact ratchets are fixedly arranged on the outer surface of an arc-shaped contact plate and are distributed in a linear array manner along the surface of the arc-shaped contact plate, so that the contact ratchet will contact the edge of the guide rail when the device encounters the guide rail of the sliding door during the travel, thereby pushing the trigger device to rotate counterclockwise in figure 2 with the axis of the rotating sleeve i as the center of rotation, the height of the motion cavity is raised through the transmission of the extension plate, driven rods are fixedly arranged on two sides of the outer surface of the walking base and extend into the motion cavity, so that the height of the motion cavity is increased, and simultaneously the motion cavity drives the traveling device to move along the upward direction in the figure 2 by driving the driven rod, and the traveling device can enable the guide wheel to be separated from the ground in the moving process to avoid the device from continuously moving forward to cause overlarge resistance and excite the steering machine and the steering gear.

Description

Walking mechanism of floor sweeping robot

Technical Field

The invention relates to the technical field of intelligent home furnishing, in particular to a walking mechanism of a sweeping robot.

Background

Along with the progress of science and technology, more and more intelligent house enters into people's life, for example, intelligent air conditioner, the intelligence refrigerator, intelligence is washed the cupboard and various intelligent house such as robot is swept the floor to intelligence, the daily life of giving people has brought very big facility, wherein intelligence is swept the floor the robot and can will be swept the floor, it concentrates on an organic whole to drag the ground, and can carry out automatic charging, various functions such as automatic memory cleans the route, often can contact the wall at the in-process of sweeping the floor, thereby it can both clear up the ground in the whole region to carry out automatic dodging, and can clean the task and charge through predetermineeing automatic, it is very convenient to use.

Because balconies, kitchens and toilets in the prior residence are separated by adopting the dragging doors, the dragging doors need to be additionally provided with guide rails on the ground, and the sweeping robot needs to be very low in order to clean sofas and beds, so that the sweeping robot cannot cross the guide rails of the dragging doors, the sweeping robot needs to be moved to the other side of the dragging doors after the sweeping task of one room is completed, a complete route graph cannot be formed due to deviation of a route recorded by the robot, and the sweeping robot cannot complete and independently complete the whole sweeping task.

Disclosure of Invention

Aiming at the defects of the prior sweeping robot walking mechanism in the use process, the invention provides the sweeping robot walking mechanism which has the advantage of being capable of crossing the sliding door guide rail and solves the problem that the traditional sweeping robot walking mechanism needs manual movement to cross the sliding door guide rail.

The invention provides the following technical scheme: a floor sweeping robot walking mechanism comprises a shell, wherein trigger holes are formed in positions, close to two ends, of one side of the shell, a trigger device is movably sleeved on a position, close to the top, of each trigger hole, a walking device is movably sleeved on a position, close to one side, of the bottom of an inner cavity of the shell, a steering machine is fixedly mounted on a position, close to the walking device, of the bottom of the inner cavity of the shell, a steering gear is fixedly mounted on an output shaft of the steering machine, the steering gear is meshed with the walking device, sleeving blocks are fixedly mounted on two sides of the inner cavity of the shell, a rotating rod is movably sleeved on one side of each sleeving block, rotating gears are fixedly sleeved on intermediate positions of the outer surface of the rotating rod, the number of the rotating gears is two, the rotating gears correspond to the walking device, and fixed sleeves are fixedly sleeved on positions, located on two, fixed sleeve's surface fixed mounting has the stride across pole, the stride across hole has all been seted up at the bottom and the top of shell, the quantity in stride across the hole is four and two and for a set of and correspond each other, the stride across pole stretches out from strideing across the hole, shell bottom both sides just are located and have seted up the cleaning hole on strideing across the inboard position of hole, cleaning device has been cup jointed in the inside activity in cleaning hole, the top of shell just is located fixed mounting has stopper and stopper quantity on the position in the running gear outside and is two, fixed mounting has the piece of stopping on the position that cleans downthehole portion and be located cleaning device one side, the bottom fixed mounting who stops the piece has cleaning piece and cleaning piece to distribute with crisscross mode.

Preferably, trigger device is including rotating sleeve I, the quantity that the outer fixed surface who rotates sleeve I installed connecting plate and connecting plate is three, the one end fixed mounting of connecting plate has the arc contact board, the outer fixed surface of arc contact board installs contact ratchet and distributes along arc contact board surface linear array, the one end fixed mounting of arc contact board has the extension board, fixed mounting has the motion chamber on the position that extension board bottom just is located one end, fixed mounting has rotation seat I on the position that extension board bottom just is close to the motion chamber, rotate I movable sleeve joint of seat and have rotated the connecting rod, the one end and the cleaning device activity of rotating the connecting rod are cup jointed.

Preferably, the cleaning device comprises a rotating sleeve II, the top of the rotating sleeve II is movably sleeved on two sides of the cleaning hole, a power cavity is fixedly mounted at the bottom of the rotating sleeve II, a power machine II is fixedly mounted in the power cavity, three side brushes are fixedly mounted on the outer surface of an output shaft of the power machine II, and a rotating seat II is fixedly mounted on the outer surface of the power cavity and movably sleeved with a rotating connecting rod.

Preferably, running gear includes the walking base, the inside activity that rectangular hole and this rectangular hole were seted up at the top of walking base has cup jointed the leading wheel, fixed mounting has the switching-over teeth of a cogwheel and the switching-over teeth of a cogwheel meshes with the steering gear on the position that the walking base top is located the outside, the equal fixed mounting in both sides of leading wheel has the transmission teeth of a cogwheel, fixed mounting has the headstock on the position that the walking base top just is located the leading wheel both sides, the inside fixed mounting of headstock has engine I, the output shaft fixed mounting of engine I has the power pole, the fixed cover of power pole surface is located the position of both sides has been connect the driving gear, the driving gear meshes with the headstock, the both sides fixed mounting of walking base surface has driven pole and driven pole to stretch into the inside in motion chamber.

Preferably, the driving gear corresponds to the rotating gear and the driving gear contacts and is meshed with the rotating gear in the upward movement process.

The invention has the following beneficial effects:

1. according to the invention, the contact ratchets are fixedly arranged on the outer surface of the arc-shaped contact plate and are distributed along the surface of the arc-shaped contact plate in a linear array manner, so that when the device encounters a guide rail of a drag door in the advancing process, the contact ratchets can be contacted with the edge of the guide rail, the trigger device is pushed to rotate anticlockwise in figure 2 by taking the axis of the rotating sleeve I as a rotating center, the height of the motion cavity is increased by the transmission of the extension plate, driven rods are fixedly arranged on two sides of the outer surface of the walking base at the moment and extend into the motion cavity, the walking device is driven to move in the upward direction in figure 2 by driving the driven rods while the height of the motion cavity is increased, and the guide wheel can be separated from the ground in the moving process of the walking device to prevent the device from continuously moving forward to cause overlarge resistance and excite a, the problem that the sweeping robot reverses at the moment so that subsequent crossing action is invalid is avoided, and the stability of the device is improved.

2. The invention makes the driving gear contact with the rotating gear and mesh with the rotating gear in the process that the driving gear moves upwards, so that the driving gear contacts with the rotating gear to drive the rotating gear to rotate and then drive the rotating rod to rotate in the process that the walking device moves upwards in the direction of figure 2, at the moment, the outer surface of the rotating rod and the positions at two sides of the rotating gear are fixedly sleeved with the fixed sleeve, the outer surface of the fixed sleeve is fixedly provided with the crossing rod, and the crossing rod extends out of the crossing hole to enable the crossing rod to rotate anticlockwise in figure 2 by taking the axis of the rotating rod as a rotating axis, because the walking device is lifted at the moment, the height of the shell is reduced, the crossing rod can contact with the track of the dragging door in the rotating process, and the shell is driven to move forwards integrally by the clamping effect of the crossing rod and the track chute, therefore, the effect of crossing the guide rail is realized, the problem that the traditional sweeping robot cannot completely and independently complete the whole sweeping task because the walking mechanism of the traditional sweeping robot cannot cross the guide rail of the dragging door in a house is avoided, and the practicability of the device is improved.

3. According to the invention, the rotating seat II is movably sleeved with the rotating connecting rod, so that the cleaning device can be pulled in the moving process of the extension plate, the cleaning device rotates clockwise in a figure 9 by taking the axis of the rotating sleeve II as a rotating center, the rotating surface of the side brush is not parallel to the ground and forms a certain included angle with the ground, and therefore, the side brush can clean the dead angle in the guide rail chute, the cleaning effect of the sweeping robot is enhanced, and the practicability of the device is improved.

4. According to the invention, the stopping blocks are fixedly arranged in the cleaning holes and at positions on one side of the cleaning device, the cleaning sheets are fixedly arranged at the bottoms of the stopping blocks and are distributed in a staggered manner, on the one hand, the side brushes cannot enter the shell through the crossing holes on the premise that a certain included angle is formed between the rotating surface of the side brushes and the ground, so that the influence on the operation of main components in the shell caused by the fact that dust and hair on the side brushes enter the shell is avoided, the operation stability of the device is improved, on the other hand, the cleaning sheets can strip the hair wound on the side brushes when the side brushes sweep the cleaning sheets, the situation that a sweeping robot needs to manually clean the side brushes after the cleaning task is completed is avoided, and the use convenience of the device is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention;

FIG. 3 is a schematic top view of the internal structure of the present invention;

FIG. 4 is an enlarged schematic view A of FIG. 3 according to the present invention;

FIG. 5 is a schematic bottom view of the structure of the present invention;

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

FIG. 7 is a schematic view of a structural triggering device of the present invention;

FIG. 8 is a schematic view of a cleaning apparatus according to the present invention;

FIG. 9 is a schematic cross-sectional view of a cleaning device according to the present invention;

FIG. 10 is a schematic view of the connection between the trigger device and the cleaning device according to the present invention;

FIG. 11 is a schematic view of the walking device of the present invention;

FIG. 12 is a schematic cross-sectional view of a walking device of the present invention;

in the figure: 1. a housing; 2. a trigger hole; 3. a trigger device; 31. rotating the sleeve I; 32. a connecting plate; 33. an arc-shaped contact plate; 34. a contact ratchet; 35. an extension plate; 36. a motion cavity; 37. a rotating seat I; 38. rotating the connecting rod; 4. a traveling device; 41. a walking base; 42. a guide wheel; 43. reversing gear teeth; 44. a transmission gear tooth; 45. a power box; 46. a power machine I; 47. a power rod; 48. a driving gear; 49. a driven lever; 5. a steering machine; 6. a steering gear; 7. sleeving and connecting blocks; 8. rotating the rod; 9. a rotating gear; 10. fixing the sleeve; 11. a spanning rod; 12. a crossover hole; 13. cleaning the hole; 14. a cleaning device; 141. rotating the sleeve II; 142. a power cavity; 143. a power machine II; 144. brushing edges; 145. a rotating seat II; 15. a limiting block; 16. a stop block; 17. and (6) cleaning the tablets.

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.

Referring to fig. 1-12, a walking mechanism of a sweeping robot comprises a housing 1, trigger holes 2 are formed in positions on one side of the housing 1 and near two ends of the housing, trigger devices 3 are movably sleeved on positions of the trigger holes 2 near the top, the trigger devices 3 comprise rotating sleeves i 31, connecting plates 32 are fixedly mounted on the outer surfaces of the rotating sleeves i 31, the number of the connecting plates 32 is three, an arc-shaped contact plate 33 is fixedly mounted at one end of the connecting plates 32, contact ratchets 34 are fixedly mounted on the outer surface of the arc-shaped contact plate 33, the contact ratchets 34 are distributed along the surface of the arc-shaped contact plate 33 in a linear array manner, an extension plate 35 is fixedly mounted at one end of the extension plate 35, a movement cavity 36 is fixedly mounted at the bottom of the extension plate 35 and near the movement cavity 36, a rotating seat i 37 is fixedly mounted at the bottom of the extension plate 35 and near, one end of the rotating connecting rod 38 is movably sleeved with the cleaning device 14, the traveling device 4 is movably sleeved at the bottom of the inner cavity of the shell 1 and at a position close to one side, the traveling device 4 comprises a traveling base 41, the top of the traveling base 41 is provided with a rectangular hole, a guide wheel 42 is movably sleeved inside the rectangular hole, reversing wheel teeth 43 are fixedly installed at a position, located at the outer side, of the top of the traveling base 41, the reversing wheel teeth 43 are meshed with the steering gear 6, transmission wheel teeth 44 are fixedly installed at two sides of the guide wheel 42, a power box 45 is fixedly installed at a position, located at two sides of the guide wheel 42, of the top of the traveling base 41, a power machine I46 is fixedly installed inside the power box 45, a power rod 47 is fixedly installed at an output shaft of the power machine I46, a driving gear 48 is fixedly sleeved at a position, located at, driven rods 49 are fixedly arranged on two sides of the outer surface of the walking base 41, the driven rods 49 extend into the movement cavity 36, a steering gear 5 is fixedly arranged at the bottom of the inner cavity of the shell 1 and at a position close to the walking device 4, a steering gear 6 is fixedly arranged on an output shaft of the steering gear 5, the steering gear 6 is meshed with the walking device 4, sleeving blocks 7 are fixedly arranged on two sides of the inner cavity of the shell 1, one side of each sleeving block 7 is movably sleeved with a rotating rod 8, two rotating gears 9 are fixedly sleeved on the middle position of the outer surface of each rotating rod 8, a driving gear 48 corresponds to the rotating gear 9, the driving gear 48 is contacted with and meshed with the rotating gear 9 in the upward moving process, fixed sleeves 10 are fixedly sleeved on the positions of the outer surface of the rotating rod 8 and at two sides of the rotating gear 9, and crossing rods 11 are fixedly arranged on the outer surface, the bottom and the top of the shell 1 are both provided with crossing holes 12, the number of the crossing holes 12 is four, two holes are in a group and correspond to each other, crossing rods 11 extend out of the crossing holes 12, cleaning holes 13 are arranged on two sides of the bottom of the shell 1 and on the inner side of the crossing holes 12, cleaning devices 14 are movably sleeved in the cleaning holes 13, each cleaning device 14 comprises a rotating sleeve II 141, the top of the rotating sleeve II 141 is movably sleeved on two sides of each cleaning hole 13, a power cavity 142 is fixedly arranged at the bottom of the rotating sleeve II 141, a power machine II 143 is fixedly arranged in the power cavity 142, edge brushes 144 are fixedly arranged on the outer surface of an output shaft of the power machine II 143, the number of the edge brushes 144 is three, a rotating seat II 145 is fixedly arranged on the outer surface of the power cavity 142, the rotating seat II 145 is movably sleeved with a rotating connecting rod 38, two limiting blocks 15 are fixedly arranged on the top of the shell 1 and on the position on the outer side of, a stopping block 16 is fixedly arranged in the cleaning hole 13 and at a position on one side of the cleaning device 14, cleaning sheets 17 are fixedly arranged at the bottom of the stopping block 16, and the cleaning sheets 17 are distributed in a staggered mode.

Wherein, the outer surface of the arc contact plate 33 is fixedly provided with the contact ratchets 34 and the contact ratchets 34 are distributed along the surface of the arc contact plate 33 in a linear array, so that when the device encounters a sliding door guide rail in the process of traveling, the contact ratchets 34 can contact with the edge of the guide rail, thereby pushing the trigger device 3 to rotate anticlockwise in fig. 2 by taking the axis of the rotating sleeve I31 as the rotating center, the height of the moving cavity 36 is increased by the transmission of the extension plate 35, at the same time, the driven rod 49 is fixedly arranged on two sides of the outer surface of the walking base 41, the driven rod 49 extends into the moving cavity 36, the height of the moving cavity 36 is increased, the walking device 4 is driven to move in the upward direction in fig. 2 by driving the driven rod 49, the walking device 4 can disengage the guide wheel 42 during moving, and the device can avoid the excessive resistance caused by the forward and can excite the steering engine 5 and, the problem that the sweeping robot reverses at the moment so that subsequent crossing action is invalid is avoided, and the stability of the device is improved.

Wherein, through the driving gear 48 corresponding to the rotating gear 9 and the upward movement of the driving gear 48 will contact and engage with the rotating gear 9, so that in the upward movement of the traveling device 4 in fig. 2, the driving gear 48 will contact with the rotating gear 9 to drive the rotating gear 9 to rotate, and then drive the rotating rod 8 to rotate, at this time, the outer surface of the rotating rod 8 and the positions at both sides of the rotating gear 9 are fixedly sleeved with the fixed sleeves 10, the outer surface of the fixed sleeves 10 is fixedly provided with the spanning rod 11, and at the same time, the spanning rod 11 extends out from the spanning hole 12 through the spanning rod 11, so that the spanning rod 11 rotates counterclockwise in fig. 2 with the axis of the rotating rod 8 as the rotation axis, because the traveling device 4 is raised at this time, the height of the housing 1 is lowered, the spanning rod 11 will contact with the track of the sliding door in the rotation process, and the whole shell 1 is driven to move forwards through the clamping effect of the crossing rod 11 and the track sliding groove, so that the effect of crossing the guide rail is realized, the problem that the walking mechanism of the traditional sweeping robot cannot cross the guide rail of the dragging door in a house to cause the sweeping robot to finish the whole sweeping task completely and independently is avoided, and the practicability of the device is improved.

Wherein, cup joint with rotation connecting rod 38 activity through rotating seat II 145 for the process that extension board 35 removed can stimulate cleaning device 14, make cleaning device 14 use the axis of rotating sleeve II 141 to carry out clockwise rotation in fig. 9 as the rotation center, make the rotatory face of limit brush 144 not parallel with ground, and form certain contained angle with ground, thereby make limit brush 144 can clear up the dead angle of the inside of guide rail spout, thereby make the effect of cleaning of robot of sweeping the floor strengthened, the practicality of the device has been improved.

Wherein, fixed mounting has the piece 16 of stopping through inside the cleaning hole 13 and on being located the position of cleaning device 14 one side, the bottom fixed mounting of the piece 16 of stopping has cleaning piece 17 and cleaning piece 17 distributes with crisscross mode, under the prerequisite that the plane of rotation of limit brush 144 and ground produced certain contained angle, make limit brush 144 can't enter into the inside of shell 1 through striding over hole 12 on the one hand, thereby avoided dust and hair on the limit brush 144 to enter into the inside of shell 1 and leaded to the operation of the inside main component of shell 1 to receive the influence, the stability of the operation of the device has been improved, on the other hand, the piece 17 can peel off the hair that twines on limit brush 144 when sweeping cleaning piece 17 to the limit brush 144, avoided the robot still need artifically to clear up limit brush 144 after accomplishing the task of cleaning, the convenience of the use of the device has been improved.

The using method of the invention is as follows:

when the sweeping robot meets the guide rail of the dragging door in the running process, the contact ratchet 34 is in contact with the edge of the guide rail, so that the triggering device 3 is pushed to rotate anticlockwise in fig. 2 by taking the axis of the rotating sleeve I31 as a rotating center, the height of the moving cavity 36 is increased through the transmission of the extending plate 35, driven rods 49 are fixedly mounted on two sides of the outer surface of the walking base 41, the driven rods 49 extend into the moving cavity 36, the height of the moving cavity 36 is increased, meanwhile, the driven rods 49 are driven to drive the walking device 4 to move in the upward direction in fig. 2, the walking device 4 can enable the guide wheel 42 to be separated from the ground in the moving process to avoid the device from continuing to move forward to cause overlarge resistance and excite the steering machine 5 and the steering gear 6, and the driving gear 48 is in contact with the rotating gear 9 to drive the rotating gear 9 to rotate in the moving process of the walking device 4 in the upward direction in fig. 2, then, the rotating rod 8 is driven to rotate, so that the crossing rod 11 rotates anticlockwise in fig. 2 by taking the axis of the rotating rod 8 as a rotating axis, the height of the shell 1 is reduced due to the fact that the traveling device 4 is lifted at the moment, the crossing rod 11 can be in contact with a track of the dragging door in the rotating process, the shell 1 is driven to move forwards integrally through the clamping effect of the crossing rod 11 and the track sliding groove, and the effect of crossing the guide rail is achieved.

In the process of crossing the guide rail, the process of moving the extension plate 35 pulls the cleaning device 14, so that the cleaning device 14 rotates clockwise in fig. 9 by taking the axis of the rotating sleeve ii 141 as a rotating center, the rotating surface of the side brush 144 is not parallel to the ground and forms a certain included angle with the ground, so that the side brush 144 can clean the dead angle inside the guide rail chute, on the premise that the rotating surface of the side brush 144 forms a certain included angle with the ground, on one hand, the side brush 144 cannot enter the inside of the housing 1 through the crossing hole 12, and on the other hand, the cleaning sheet 17 can strip the hair wound on the side brush 144 when the side brush 144 sweeps the cleaning sheet 17.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 utility model provides a walking mechanism of robot sweeps floor, includes shell (1), its characterized in that: the utility model discloses a steering gear, including shell (1), trigger hole (2) has been seted up on the position that shell (1) one side just is close to both ends, trigger hole (2) have been cup jointed in the activity on the position that is close to the top and have been had trigger device (3), running gear (4) have been cup jointed in the activity on the position that shell (1) inner chamber bottom just is close to one side, fixed mounting has steering gear (6) and running gear (4) mesh on the position that shell (1) inner chamber bottom just is close to running gear (4), the both sides fixed mounting of shell (1) inner chamber has cup joint piece (7), one side activity of cup joint piece (7) has dwang (8), the fixed quantity that has cup jointed running gear (9) and running gear (9) on the intermediate position of dwang (8) surface is two, the utility model discloses a cleaning machine, including shell (1), running gear (9), dwang (8), fixed cover on the position that running gear (9) both sides were just located to the surface of dwang (9) is corresponding, the fixed surface of fixed sleeve (10) installs crossing rod (11), crossing hole (12) have all been seted up at the bottom and the top of shell (1), the quantity of crossing hole (12) is four and two and is a set of and corresponds each other, crossing rod (11) stretches out from crossing hole (12), shell (1) bottom both sides just are located and have seted up cleaning hole (13) on crossing hole (12) inboard position, cleaning device (14) have been cup jointed in the inside activity of cleaning hole (13), the quantity that fixed mounting had stopper (15) and stopper (15) on the position of the top of shell (1) just is located running gear (4) outside is two, the cleaning device is characterized in that a stopping block (16) is fixedly mounted in the cleaning hole (13) and located on one side of the cleaning device (14), cleaning sheets (17) are fixedly mounted at the bottom of the stopping block (16), and the cleaning sheets (17) are distributed in a staggered mode.

2. The walking mechanism of the sweeping robot as claimed in claim 1, wherein: the trigger device (3) comprises a rotating sleeve I (31), connecting plates (32) are fixedly arranged on the outer surface of the rotating sleeve I (31), the number of the connecting plates (32) is three, one end of the connecting plate (32) is fixedly provided with an arc-shaped contact plate (33), the outer surface of the arc-shaped contact plate (33) is fixedly provided with contact ratchets (34), the contact ratchets (34) are distributed along the surface of the arc-shaped contact plate (33) in a linear array, one end of the arc-shaped contact plate (33) is fixedly provided with an extension plate (35), a moving cavity (36) is fixedly arranged at the bottom of the extension plate (35) and at one end, a rotating seat I (37) is fixedly arranged at the bottom of the extension plate (35) and close to the moving cavity (36), the rotating seat I (37) is movably sleeved with a rotating connecting rod (38), and one end of the rotating connecting rod (38) is movably sleeved with the cleaning device (14).

3. The walking mechanism of the sweeping robot as claimed in claim 2, wherein: the cleaning device (14) comprises a rotating sleeve II (141), the top of the rotating sleeve II (141) is movably sleeved on two sides of the cleaning hole (13), a power cavity (142) is fixedly installed at the bottom of the rotating sleeve II (141), a power machine II (143) is fixedly installed in the power cavity (142), side brushes (144) and the number of the side brushes (144) are fixedly installed on the outer surface of an output shaft of the power machine II (143), and a rotating base II (145) are fixedly installed on the outer surface of the power cavity (142) and movably sleeved with a rotating connecting rod (38).

4. The walking mechanism of the sweeping robot as claimed in claim 3, wherein: the traveling device (4) comprises a traveling base (41), a rectangular hole is formed in the top of the traveling base (41), a guide wheel (42) is movably sleeved inside the rectangular hole, reversing gear teeth (43) are fixedly installed on the position, located on the outer side, of the top of the traveling base (41) and meshed with a steering gear (6), transmission gear teeth (44) are fixedly installed on two sides of the guide wheel (42), a power box (45) is fixedly installed on the position, located on two sides of the guide wheel (42), of the top of the traveling base (41), a power machine I (46) is fixedly installed inside the power box (45), a power rod (47) is fixedly installed on an output shaft of the power machine I (46), a driving gear (48) is fixedly sleeved on the position, located on two sides, of the outer surface of the power rod (47), and the driving gear (48) is meshed with the power box (45), driven rods (49) are fixedly mounted on two sides of the outer surface of the walking base (41), and the driven rods (49) extend into the motion cavity (36).

5. The walking mechanism of the sweeping robot as claimed in claim 4, wherein: the driving gear (48) corresponds to the rotating gear (9), and the driving gear (48) is contacted and meshed with the rotating gear (9) in the upward moving process.