CN111907480B

CN111907480B - Cleaning equipment for engineering machine

Info

Publication number: CN111907480B
Application number: CN202010793131.5A
Authority: CN
Inventors: 康望才
Original assignee: Hunan Hankun Industrial Co Ltd
Current assignee: Hunan Hankun Industrial Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2022-10-14
Anticipated expiration: 2040-08-07
Also published as: CN111907480A

Abstract

The invention discloses a cleaning device for an engineering machine, which comprises a base, a fixed limiting mechanism, a power providing mechanism, a first transmission mechanism, a second transmission mechanism, a linear moving mechanism and a cleaning mechanism, wherein the power providing mechanism comprises a power frame, a power tire and transition rollers, the cleaning mechanism comprises a cleaning portal frame, a cleaning brush and a water supply assembly, the linear moving mechanism comprises a screw rod, a nut sleeve, a rack and a gear, the second transmission mechanism comprises a transmission shaft, a first bevel gear, a second bevel gear, a driving shaft, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear, the power frame is installed on the base, the power tire is rotatably installed on the power frame, the two transition rollers are alternately rotatably installed on the power frame, and the two transition rollers are positioned above the power tire. The automatic cleaning brush has the advantages of ingenious structural design, convenience in cleaning and large cleaning range, and can realize automatic cleaning of the cleaning brush, reduce the labor intensity of workers and improve the cleaning efficiency.

Description

Cleaning equipment for engineering machine

Technical Field

The invention relates to the technical field of car washing machines, in particular to a cleaning device for an engineering machine.

Background

In the construction of building site, engineering vehicle often carries a large amount of dregs or mud, for prevent that dregs or mud that carries on the engineering vehicle from taking the road, can be with road surface and all ring edge border environmental pollution, consequently need wash engineering vehicle, and what adopt on the building site at present all is the manual cleaning mode, and the manual cleaning is wasted time and energy, and the cleaning efficiency is low, washs unclean moreover.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides the cleaning equipment for the engineering machine.

In order to achieve the purpose, the invention provides a cleaning device for an engineering machine, which comprises a base, a fixed limiting mechanism, a power providing mechanism, a first transmission mechanism, a second transmission mechanism, a linear movement mechanism and a cleaning mechanism, wherein the power providing mechanism comprises a power frame, a power tire and transition rollers, the cleaning mechanism comprises a cleaning portal frame, a cleaning brush and a water supply assembly, the linear movement mechanism comprises a screw rod, a nut sleeve, a rack and a gear, the second transmission mechanism comprises a transmission shaft, a first bevel gear, a second bevel gear, a driving shaft, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear, the power frame is mounted on the base, the power tire is rotatably mounted on the power frame, the two transition rollers are alternately rotatably mounted on the power frame, and the two transition rollers are positioned above the power tire;

the screw rod and the rack are parallelly and alternately arranged on the base, and the power tire is connected with the screw rod through the first transmission mechanism; the nut sleeve is connected with the cleaning portal frame, the nut sleeve is sleeved on the screw rod, the transmission shaft is rotatably installed on the cleaning portal frame, the gear and the first bevel gear are installed at two ends of the transmission shaft respectively, the gear is meshed with the rack, the driving shaft is rotatably installed on the cleaning portal frame, the second bevel gear, the third bevel gear and the fifth bevel gear are alternately rotatably installed on the driving shaft, the first bevel gear is meshed with the second bevel gear, the two cleaning brushes are alternately rotatably installed on the cleaning portal frame, and the fourth bevel gear and the sixth bevel gear are installed on the two cleaning brushes respectively; the third bevel gear is meshed with the fourth bevel gear, the fifth bevel gear is meshed with the sixth bevel gear, the fixed limiting mechanism is installed on the base, and the water supply assembly is installed on the cleaning portal frame;

the cleaning equipment for the engineering machine further comprises a brake mechanism, the brake mechanism comprises a brake pad and a first linear driving piece, and the brake mechanism is positioned below the power tire; one end of the brake pad is rotatably connected with the power frame, the other end of the brake pad is connected with the first linear driving piece, and the first linear driving piece is installed on the base.

Further, the power tire is rotatably mounted on the power frame through a rotating shaft, the first transmission mechanism comprises a mounting seat, a seventh bevel gear, an eighth bevel gear, a belt pulley assembly and a transmission rotating shaft, the transmission rotating shaft is rotatably mounted on the mounting seat, the seventh bevel gear is mounted on the rotating shaft, the eighth bevel gear is mounted on the transmission rotating shaft, the seventh bevel gear is engaged with the eighth bevel gear, and the transmission rotating shaft is connected with the screw rod through the belt pulley assembly.

Furthermore, the fixed limiting mechanism comprises a limiting swing frame, a connecting rod, a limiting frame, a sliding rail, a lifting block and a second linear driving piece, wherein the sliding rail is installed on the base, the limiting frame is movably installed on the sliding rail, and the second linear driving piece is installed on the limiting frame and connected with the lifting block; the lifting block is rotatably connected with one end of each of the two connecting rods, the other end of each of the two connecting rods is rotatably connected with the two limiting swing frames respectively, the two limiting swing frames are rotatably connected with the limiting frames, and the two limiting swing frames are of a V-shaped structure; the lifting block is provided with an inclined plane structure, and the inclined plane structure of the lifting block is aligned to the sliding rail; when the first linear driving piece drives the lifting block to move from bottom to top, the slide rail clamps the inclined plane structure of the lifting block.

Furthermore, the fixed limiting mechanism comprises a third linear driving piece, and the third linear driving piece is installed on the base and connected with the limiting frame.

Further, the cleaning mechanism further comprises a position adjusting mechanism, the position adjusting mechanism comprises a fourth linear driving piece, a fifth linear driving piece, a shaft sleeve and a sixth linear driving piece, the second transmission mechanism further comprises a first key bar arranged on the driving shaft, the transmission shaft comprises an inner shaft, an outer cylinder and a second key bar, and the outer cylinder is movably and rotatably arranged on the inner shaft through the second key bar; the cleaning brush is movably arranged on the cleaning portal frame;

the third bevel gear and the fifth bevel gear are movable and rotatable with respect to the drive shaft by the first spline; the shaft sleeves are sleeved outside the two cleaning brushes, the fourth linear driving piece and the fifth linear driving piece are installed on the cleaning portal frame, the fourth linear driving piece is connected with one shaft sleeve, and the fifth linear driving piece is connected with the other shaft sleeve;

the cleaning portal frame comprises a fixed part and a movable part; the fixed part is movably matched and connected with the movable part through the sixth linear driving piece; the nut sleeve is mounted on the fixing portion.

Furthermore, the cleaning mechanism further comprises a spreading and retracting mechanism, the cleaning brush comprises a shaft body, a brush group and a connecting rod, the plurality of brush groups are arranged on the shaft body at equal intervals, each brush group comprises a folding rod and a plurality of brush bodies, the plurality of brush bodies are uniformly distributed along the circumference of the outer surface of the shaft body, adjacent brush bodies between a head end brush body and a tail end brush body in each brush group are connected through the folding rods, and the rest brush bodies in each brush group are movably matched and connected with the shaft body except that the tail end brush body is fixedly connected with the shaft body and can move along the circumference of the shaft body; the folding rod comprises a first connecting rod and a second connecting rod hinged with the first connecting rod, and the first connecting rod and the second connecting rod are respectively hinged with two adjacent brush bodies; the brush bodies in the adjacent brush groups which are opposite in position are connected through the connecting rod; the folding rod is accommodated in the groove of the brush body;

the unfolding and folding mechanism comprises an external gear disc, a first motor, a second motor, a first driving gear, a second driving gear, a double-sided rack, a winch, a first rolling rod and a second rolling rod, wherein the double-sided rack is connected with the external gear disc which is arranged on the shaft body, the external gear disc is provided with an arc track, and the double-sided rack is provided with a linear track communicated with the arc track; the output shaft of the first motor is provided with the first driving gear, the first motor is provided with a first moving wheel, and the first moving wheel is arranged in the arc track; the first driving gear is meshed with the external fluted disc; the first driving gear is connected with the first rolling rod; the output shaft of the second motor is provided with the second driving gear, the second motor is provided with a second moving wheel, and the second moving wheel is arranged in the linear track; the second driving gear is meshed with one side tooth surface of the double-sided rack; the second driving gear is connected with the second rolling rod; the first rolling rod is positioned at the head end brush body, and the second rolling rod is positioned at the tail end brush body; the winch is arranged on the shaft body, and the head end brush body in the brush group positioned at the uppermost part is connected with a steel wire rope on the winch;

when the brush group is contained in the unfolding and folding mechanism, the first motor drives the first driving gear to rotate, so that the first motor and the first driving gear move along the external fluted disc and drive the first rolling rod to rotate circumferentially along the shaft body, so that a plurality of brush bodies included in the brush group are overlapped together, when the brushes form an overlapped state, the first driving gear moves to be meshed with the other tooth surface of the double-sided rack, at the moment, the brush group in the overlapped state is clamped between the first rolling rod and the second rolling rod, the second motor is started, so that the first driving gear and the second driving gear move along the double-sided rack, the first rolling rod and the second rolling rod are rolled into the brush group in the overlapped state, and the winch releases the steel wire rope;

when the brush group is unfolded by the unfolding and folding mechanism, the steel wire rope is folded by the winch, and the brush group is pulled to be unfolded.

The base is arranged on the ground, the engineering truck to be cleaned moves to a cleaning working position, the front wheel of the engineering truck realizes limiting through the fixed limiting mechanism, the engineering truck is ensured not to shift in the cleaning process, the rear wheel of the engineering truck is supported through the transition roller and is in contact with the power tire, the rear wheel rotates in the cleaning process to drive the power tire to rotate, the screw rod is driven to rotate through the first transmission mechanism, the cleaning portal frame moves relative to the screw rod under the action of the nut sleeve, the driving gear moves relative to the rack in the moving process of the cleaning portal frame, and the transmission shaft is driven to rotate in the rotating process of the gear, so that the first bevel gear, the second bevel gear, the driving shaft, the third bevel gear, the fourth bevel gear, the fifth bevel gear, the sixth bevel gear and the cleaning brush correspondingly rotate, and cleaning of the cleaning brush is realized.

The automatic cleaning device has the advantages that the automatic cleaning function of the cleaning brush is realized, the problems of high labor intensity, time and labor waste and low cleaning efficiency caused by the fact that the cleaning brush is manually disassembled relative to the cleaning portal frame for cleaning are solved, the automatic cleaning of the cleaning brush is realized, the manual labor intensity is reduced, the labor cost is saved, and the cleaning efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

Fig. 2 is a partial perspective view of fig. 1.

Fig. 3 is a perspective view of the fixing and limiting mechanism of the present invention.

Fig. 4 is a perspective view of fig. 3 after the slide rail and the limiting frame are cut.

FIG. 5 is a schematic view of a part of the cleaning mechanism of the present invention.

Fig. 6 is a schematic structural view of the assembly of the outer gear ring, the first motor, the second motor, the first driving gear, the second driving gear and the double-sided rack in fig. 5.

Fig. 7 is a schematic view of a structure corresponding to the brush set in fig. 5.

Fig. 8 is a perspective view of the present invention in use.

Detailed Description

The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 8, the cleaning apparatus for construction machine according to the present embodiment includes a base 1, a fixed limiting mechanism 2, a power providing mechanism including a power frame 30, a power tire 31, a transition roller 32, a first transmission mechanism including a screw rod 50, a nut sleeve 500, a rack 51, and a gear 52, a second transmission mechanism including a transmission shaft 53, a first bevel gear 54, a second bevel gear 55, a driving shaft 56, a third bevel gear 57, a fourth bevel gear 58, a fifth bevel gear 59, and a sixth bevel gear 590, a power frame 30 mounted on the base 1, a power tire 31 rotatably mounted on the power frame 30, two transition rollers 32 rotatably mounted on the power frame 30 at intervals, and two transition rollers 32 located above the power tire 31, a first transmission mechanism, a second transmission mechanism, a linear movement mechanism, and a cleaning mechanism.

The screw rods 50 and the racks 51 are arranged on the base 1 in parallel at intervals, and the power tire 31 is connected with the screw rods 50 through the first transmission mechanism; the nut sleeve 500 is connected to the cleaning gantry 40, the nut sleeve 500 is sleeved on the lead screw 50, the transmission shaft 53 is rotatably mounted on the cleaning gantry 40, the gear 52 and the first bevel gear 54 are respectively mounted at two ends of the transmission shaft 53, the gear 52 is engaged with the rack 51, the drive shaft 56 is rotatably mounted on the cleaning gantry 40, the second bevel gear 55, the third bevel gear 57 and the fifth bevel gear 59 are rotatably mounted on the drive shaft 56 at intervals, the first bevel gear 54 is engaged with the second bevel gear 55, the two cleaning brushes 41 are rotatably mounted on the cleaning gantry 40 at intervals, and the fourth bevel gear 58 and the sixth bevel gear 590 are respectively mounted on the two cleaning brushes 41; the third bevel gear 57 is engaged with the fourth bevel gear 58, the fifth bevel gear is engaged with the sixth bevel gear 590 at 59, the fixed limiting mechanism 2 is mounted on the base 1, and the water supply assembly is mounted on the cleaning gantry 40.

The water supply assembly of the embodiment directly adopts the prior art, and comprises a water pipe 90, a water pump and spray heads 91, wherein the inlet of the water pump is connected with a water tap through a water pipe 80, the outlet of the water pump is connected with the spray heads 91 through a water pipe 90, and a plurality of spray heads 91 are arranged on the cleaning portal frame 40. So that the washing brush 41 is cleaned while the water supply assembly is washed.

The working principle of the embodiment is as follows:

the base 1 is installed on the ground 13, the engineering truck 12 to be cleaned is moved to a cleaning working position, the front wheel of the engineering truck 12 is limited by the fixed limiting mechanism 2, it is ensured that the engineering truck 12 does not shift in the cleaning process, the rear wheel of the engineering truck 12 is supported by the transition roller 32, and the rear wheel is in contact with the power tire 31, the rear wheel rotates to drive the power tire 31 to rotate in the cleaning process, the lead screw 50 is driven to rotate by the first transmission mechanism, the cleaning portal frame 40 moves relative to the lead screw 50 under the action of the nut sleeve 500, the driving gear 52 moves relative to the rack 51 in the movement process of the cleaning portal frame 40, and the transmission shaft 53 is driven to rotate in the rotation process of the gear 52, so that the first bevel gear 54, the second bevel gear 55, the driving shaft 56, the third bevel gear 57, the fourth bevel gear 58, the fifth bevel gear 59, the sixth bevel gear 590 and the cleaning brush 41 correspondingly rotate, and the cleaning brush 41 is cleaned.

In this embodiment, preferably, the power tire 31 is rotatably mounted on the power frame 30 through a rotating shaft, the first transmission mechanism includes a mounting seat 82, a seventh bevel gear 80, an eighth bevel gear 81, a belt pulley assembly 84, and a transmission rotating shaft 83, the transmission rotating shaft 83 is rotatably mounted on the mounting seat 82, the seventh bevel gear 80 is mounted on the rotating shaft, the eighth bevel gear 81 is mounted on the transmission rotating shaft 83, the seventh bevel gear 80 is engaged with the eighth bevel gear 81, and the transmission rotating shaft 83 is connected to the screw rod 50 through the belt pulley assembly 84.

Further preferably, the cleaning equipment for engineering machinery further comprises a brake mechanism, wherein the brake mechanism comprises a brake pad 71 and a first linear driving element 70, and the brake mechanism is positioned below the power tire 31; one end of the brake pad 71 is rotatably connected with the power frame 30, and the other end is connected with the first linear driving element 70, and the first linear driving element 70 is installed on the base 1. The first linear driving member 70 is a linear driving device such as an oil cylinder, an air cylinder, an electric push rod, etc.

In this embodiment, it is further preferable that the fixed limiting mechanism 2 includes a limiting swing frame 24, a connecting rod 23, a limiting frame 21, a sliding rail 20, a lifting block 22, and a second linear driving element 25, wherein the sliding rail 20 is mounted on the base 1, the limiting frame 21 is movably mounted on the sliding rail 20, and the second linear driving element 25 is mounted on the limiting frame 21 and connected to the lifting block 22; the lifting block 22 is rotatably connected with one end of each of the two connecting rods 23, the other end of each of the two connecting rods 23 is rotatably connected with the two limiting swing frames 24, the two limiting swing frames 24 are rotatably connected with the limiting frame 21, and the two limiting swing frames 24 are of a V-shaped structure; the lifting block 22 is provided with an inclined plane structure, and the inclined plane structure of the lifting block 22 is aligned with the slide rail 20; when the first linear driving member 25 drives the lifting block 22 to move from bottom to top, the slide rail 20 blocks the inclined surface structure of the lifting block 22. The second linear driving member 25 is a linear driving device such as an oil cylinder, an air cylinder, an electric push rod, etc. When the front wheel fixing mechanism is used, the front wheel is supported and limited through the V-shaped structure formed by the two limiting swing frames 24, the second linear driving piece 25 drives the lifting block 22 to move upwards, so that the front wheel is clamped by the V-shaped structure formed by the two limiting swing frames 24, meanwhile, the lifting block 22 is clamped by the sliding rail 20 under the action of the inclined plane structure, the fixing of the lifting block 22 is realized, and the fixing of the limiting mechanism 2 is realized. Wherein, the limiting frame 21 is provided with a sliding chute matched with the sliding rail 20.

In this embodiment, it is further preferable that the fixed limiting mechanism 2 includes a third linear driving element (not shown in the figure), and the third linear driving element is installed on the base 1 and connected to the limiting frame 21, so as to adjust the distance between the fixed limiting mechanism 2 and the power supply mechanism according to the lengths of different engineering trucks 12, and improve the application range. The third linear driving part adopts the existing linear driving equipment such as an oil cylinder, an air cylinder, an electric push rod and the like.

Further preferably, the cleaning mechanism further includes a position adjusting mechanism, the position adjusting mechanism includes a fourth linear driving element 101, a fifth linear driving element 102, a shaft sleeve 103, and a sixth linear driving element 60, the second transmission mechanism further includes a first key strip 591 disposed on the driving shaft 56, the transmission shaft 53 includes an inner shaft 530, an outer cylinder 531, and a second key strip, and the outer cylinder 531 is movably and rotatably mounted on the inner shaft 530 through the second key strip; the third and

fifth bevel gears

57 and 59 are movable and rotatable with respect to the driving shaft 56 by the first key 591; the shaft sleeves 103 are respectively sleeved outside the two washing brushes 41, the fourth linear driving element 101 and the fifth linear driving element 102 are installed on the washing portal frame 40, the fourth linear driving element 101 is connected with one shaft sleeve 103, and the fifth linear driving element 102 is connected with the other shaft sleeve 103; the cleaning brush 41 is movably mounted on the cleaning portal frame 40; the cleaning portal frame 40 comprises a fixed part 401 and a moving part 402; the fixed part 401 is movably matched and connected with the moving part 402 through the sixth linear driving element 60; the nut holder 500 is attached to the fixing portion 401. The fourth linear driving element 101 and the fifth linear driving element 102 are linear driving devices such as oil cylinders, air cylinders, electric push rods and the like. The sixth bevel gear 590 and the fourth bevel gear 58 are respectively driven by the fourth linear driving member 101 and the fifth linear driving member 102 to move, so that the third bevel gear 57 and the fifth bevel gear 59 are driven to move relative to the driving shaft 56, so as to adjust the distance between the two washing brushes 41; meanwhile, the moving part 402 is driven by the sixth linear driving element 60 to move relative to the fixed part 401, so as to adjust the height of the cleaning portal frame 40, thereby improving the cleaning range. When the moving part 402 moves relative to the fixing part 401, the outer cylinder 531 moves up and down relative to the inner shaft 530.

Specifically, in this embodiment, a bearing is sleeved outside the cleaning brush 41, the cleaning gantry 40 is provided with a stepped groove along the length direction of the cleaning gantry, the stepped structure formed by the cleaning brush 41 and the bearing is matched with the stepped groove, the cleaning brush 41 rotates relative to the cleaning gantry 40 through the bearing, and when the cleaning brush 41 moves relative to the cleaning gantry 40, the bearing moves in the stepped groove, which is a conventional moving and rotating matching structure in the prior art, and therefore, redundant description is not given.

Further preferably, this embodiment, the cleaning mechanism further includes a folding mechanism, the cleaning brush 41 includes a shaft body 410, a brush set, a connecting rod 4112, a plurality of the brush set is installed in the shaft body 410 at equal intervals, the brush set includes a folding rod 4111 and a plurality of brush bodies 4110, a plurality of the brush bodies 4110 are arranged along the circumference of the outer surface of the shaft body 410 uniformly, the adjacent brush bodies 4110 between the head end brush body 4110 and the tail end brush body 4110 in the brush set are all connected through the folding rod 4111, and except the tail end brush body 4110 and the shaft body 410 fixed connection, the rest brush bodies 4110 included in the brush set are all connected with the shaft body 410 in a movable fit manner, and can move along the circumference of the shaft body 410; the folding rod 4111 comprises a first connecting rod and a second connecting rod hinged to the first connecting rod, and the first connecting rod and the second connecting rod are hinged to two adjacent brush bodies 4110 respectively; the brush bodies 4110 in the adjacent brush groups, which are opposite to each other, are connected through the connecting rod 4112; the folding rod 4111 is accommodated in a groove of the brush body 4110; the brush 4110 is provided with a T-shaped head, and the shaft body 410 is provided with a T-shaped annular groove matched with the T-shaped head, so that the brush 4110 can move and match with the shaft body 410.

The unfolding and folding mechanism comprises an external toothed disc 110, a first motor 112, a second motor 113, a first driving gear 111, a second driving gear 117, a double-sided rack 114, a winch, a first rolling rod 115 and a second rolling rod 116, wherein the double-sided rack 114 is connected with the external toothed disc 110, the external toothed disc 110 is installed on the shaft body 410, the external toothed disc 110 is provided with an arc track 1101, and the double-sided rack 114 is provided with a linear track 1102 communicated with the arc track 1101; the first driving gear 111 is mounted on an output shaft of the first motor 112, a first moving wheel is arranged on the first motor 112, and the first moving wheel is mounted in the arc track 1101; the first driving gear 111 is engaged with the external gear plate 110; the first driving gear 111 is connected to the first rolling rod 115; the second driving gear 117 is installed on an output shaft of the second motor 113, a second moving wheel is arranged on the second motor 113, and the second moving wheel is installed in the linear rail 114; the second driving gear 117 is engaged with one side of the double-sided rack 114; the second driving gear 117 is connected to the second rolling rod 116; the first rolling rod 115 is positioned at the head end brush body 4110, and the second rolling rod 117 is positioned at the tail end brush body 4110; the winch is installed on the shaft body 410, and the head end brush 4110 of the brush group positioned at the uppermost side is connected with the steel wire rope 119 on the winch.

In this embodiment, when the brush set is received by the retracting and extending mechanism, the first motor 112 drives the first driving gear 111 to rotate, so that the first motor 112 and the first driving gear 111 move along the external toothed disc 110 (as shown in fig. 6, the first driving gear 111 rotates clockwise along the external toothed disc 110), and the first rolling rod 115 is driven to rotate circumferentially along the shaft body 410, so that the plurality of brush bodies 4110 included in the brush set are stacked together, when the brushes form a stacked state, the first driving gear 111 moves to be engaged with the other tooth surface of the double-sided rack 114, at this time, the brush set in the stacked state is sandwiched between the first rolling rod 115 and the second rolling rod 116, the second motor 113 is started, so that the first driving gear 111 and the second driving gear 117 move along the double-sided rack 114, the first rolling rod 115 and the second rolling rod 116 are rolled into the brush set in the stacked state, and the winch releases the steel wire rope 119; after the brush groups are overlapped, the first rolling rod 115 and the second rolling rod 116 are rolled, and meanwhile, the water supply assembly is used for washing, so that the automatic washing function of the washing brush 41 is achieved, the problems that the labor intensity is large, time and labor are wasted, and the washing efficiency is low due to the fact that the washing brush 41 is manually detached from the washing portal frame 40 for washing in the prior art are solved, the automatic washing of the washing brush 41 is achieved, the labor intensity of workers is reduced, the labor cost is saved, and the washing efficiency is improved. After the automatic cleaning of the cleaning brush 41 is completed, the winding machine retracts the steel wire rope 119, pulls the brush set to be unfolded, and simultaneously, the first motor 112 and the second motor 113 are started to drive the first driving gear 111 and the second driving gear 117 to reset, that is, the first rolling rod 115 and the second rolling rod 116 to reset.

It should be noted that, in this document, 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.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The cleaning equipment for the engineering machine is characterized by comprising a base, a fixed limiting mechanism, a power providing mechanism, a first transmission mechanism, a second transmission mechanism, a linear moving mechanism and a cleaning mechanism, wherein the power providing mechanism comprises a power frame, a power tire and transition rollers, the cleaning mechanism comprises a cleaning portal frame, a cleaning brush and a water supply assembly, the linear moving mechanism comprises a screw rod, a nut sleeve, a rack and a gear, the second transmission mechanism comprises a transmission shaft, a first bevel gear, a second bevel gear, a driving shaft, a third bevel gear, a fourth bevel gear, a fifth bevel gear and a sixth bevel gear, the power frame is mounted on the base, the power tire is rotatably mounted on the power frame, the two transition rollers are rotatably mounted on the power frame at intervals, and the two transition rollers are positioned above the power tire;

2. The cleaning equipment for the engineering machinery, according to claim 1, wherein the power tire is rotatably mounted on the power frame through a rotating shaft, the first transmission mechanism comprises a mounting seat, a seventh bevel gear, an eighth bevel gear, a belt pulley assembly and a transmission rotating shaft, the transmission rotating shaft is rotatably mounted on the mounting seat, the seventh bevel gear is mounted on the rotating shaft, the eighth bevel gear is mounted on the transmission rotating shaft, the seventh bevel gear is engaged with the eighth bevel gear, and the transmission rotating shaft is connected with the screw rod through the belt pulley assembly.

3. The cleaning equipment for the engineering machine is characterized in that the fixed limiting mechanism comprises a limiting swing frame, a connecting rod, a limiting frame, a sliding rail, a lifting block and a second linear driving piece, wherein the sliding rail is mounted on the base, the limiting frame is movably mounted on the sliding rail, and the second linear driving piece is mounted on the limiting frame and connected with the lifting block; the lifting block is rotatably connected with one end of each of the two connecting rods, the other end of each of the two connecting rods is rotatably connected with the two limiting swing frames respectively, the two limiting swing frames are rotatably connected with the limiting frame, and the two limiting swing frames are of a V-shaped structure; the lifting block is provided with an inclined plane structure, and the inclined plane structure of the lifting block is aligned to the sliding rail; when the first linear driving piece drives the lifting block to move from bottom to top, the slide rail clamps the inclined plane structure of the lifting block.

4. The cleaning equipment for the engineering machine as claimed in claim 3, wherein the fixed limiting mechanism comprises a third linear driving member, and the third linear driving member is mounted on the base and connected with the limiting frame.

5. The cleaning device for the engineering machine according to any one of claims 1 to 4, wherein the cleaning mechanism further comprises a position adjusting mechanism, the position adjusting mechanism comprises a fourth linear driving element, a fifth linear driving element, a shaft sleeve and a sixth linear driving element, the second transmission mechanism further comprises a first spline arranged on the driving shaft, the transmission shaft comprises an inner shaft, an outer cylinder and a second spline, and the outer cylinder is movably and rotatably mounted on the inner shaft through the second spline; the cleaning brush is movably arranged on the cleaning portal frame;

the third bevel gear and the fifth bevel gear are movable and rotatable with respect to the drive shaft by the first spline; the shaft sleeves are sleeved outside the two cleaning brushes, the fourth linear driving piece and the fifth linear driving piece are installed on the cleaning portal frame, the fourth linear driving piece is connected with one of the shaft sleeves, and the fifth linear driving piece is connected with the other shaft sleeve;

6. The cleaning equipment for the engineering machine according to claim 5, wherein the cleaning mechanism further comprises a folding mechanism, the cleaning brush comprises a shaft body, a brush group and a connecting rod, the plurality of brush groups are equidistantly mounted on the shaft body, the brush group comprises a folding rod and a plurality of brush bodies, the plurality of brush bodies are uniformly distributed along the circumference of the outer surface of the shaft body, adjacent brush bodies between a head end brush body and a tail end brush body in the brush group are connected through the folding rod, and except that the tail end brush body is fixedly connected with the shaft body, the rest brush bodies in the brush group are movably matched and connected with the shaft body and can move along the circumference of the shaft body; the folding rod comprises a first connecting rod and a second connecting rod hinged with the first connecting rod, and the first connecting rod and the second connecting rod are respectively hinged with two adjacent brush bodies; the brush bodies in the adjacent brush groups which are opposite in position are connected through the connecting rod; the folding rod is accommodated in the groove of the brush body;