CN108307939B - Lawn fallen leaf cleaning device - Google Patents
Lawn fallen leaf cleaning device Download PDFInfo
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- CN108307939B CN108307939B CN201810286858.7A CN201810286858A CN108307939B CN 108307939 B CN108307939 B CN 108307939B CN 201810286858 A CN201810286858 A CN 201810286858A CN 108307939 B CN108307939 B CN 108307939B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 58
- 230000001360 synchronised effect Effects 0.000 claims abstract description 97
- 210000004209 hair Anatomy 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010408 sweeping Methods 0.000 description 7
- 244000025254 Cannabis sativa Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003365 glass fiber Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 241001464837 Viridiplantae Species 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000002452 Dichondra micrantha Species 0.000 description 1
- 241001417527 Pempheridae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000035613 defoliation Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The invention relates to a lawn fallen leaf cleaning device, which comprises a traveling vehicle, a cleaning and conveying device and a collecting device, wherein the traveling vehicle is used for cleaning the fallen leaves of the lawn; the cleaning and conveying device comprises a pair of side plates, a fallen leaf baffle, a brush roller, a synchronous belt conveyor and a transmission mechanism; comb teeth Mao Pai are arranged on the brush roller and the synchronous belt; in the moving process, each comb-shaped hair row Mao Pai on the brush roller is intersected with the comb-shaped hair row running on the other synchronous roller, and when the two intersected comb-shaped hair rows rotate to be in contact with the ground, a V-shaped structure is formed, and then the two intersected comb-shaped hair rows continue to rotate to be close to a leaving position, an inverted V-shaped structure is formed; and in the inverted V-shaped structure state, the lower ends of the comb teeth on the fallen leaf baffle are contacted with the upper surfaces of the comb-tooth-shaped hair rows close to the separation positions on the brush roller. The lawn fallen leaf cleaning device disclosed by the invention does not damage the lawn and has a good cleaning effect.
Description
Technical Field
The invention relates to lawn cleaning equipment, in particular to a fallen leaf cleaning device.
Background
With the increasing importance of governments on urban greening, more and more green plants appear in each corner of the city, however, the fallen leaves generated by metabolism or environmental influence of green plants can destroy the attractiveness of the city, so that the governments spend a great deal of manpower and material resources to clean the fallen leaves each year, and resource waste is caused. In this case, it is very promising to design a fallen leaf cleaning device with high automation and high efficiency.
The invention patent application with the publication number 104846761A discloses fallen leaf cleaning equipment which integrates cleaning, crushing and bonding extrusion molding and can be matched with a motor vehicle for use, and the fallen leaf cleaning equipment adopts a mode of combining a cleaning roller with a conveyor belt, the conveyor belt with a crushing bin, the crushing bin with a bonding extrusion molding device to complete the integrated operation of collecting, crushing and bonding extrusion molding fallen leaves. However, the falling leaf cleaning device for cleaning falling leaves on lawns has the following disadvantages: 1. the inward cleaning sweeping roller can concentrate fallen leaves on two sides in front of the rising sweeping roller so as to enlarge the cleaning area, but the damage to tender grass is also foreseeable; 2. the rising type sweeping roller utilizes a counter-clockwise rotating roller wheel to convey collected fallen leaves onto a scraper type conveying belt in a tangential mode and then into a crushing bin, but the falling leaf stacking sweeping shovel has to be used for guiding, and the falling leaf stacking sweeping shovel obviously can enable grass to fall down and even be shoveled off.
The utility model of publication CN 203716086A discloses a small-sized fallen leaf sweeper, which, although discarding the inward cleaning sweeping roller and fallen leaf stacking sweeping shovel in the scheme of patent application of publication 104846761a, has the following disadvantages: 1. the brush hair rotating around the roller at high speed can brush tender leaves of grass easily; 2. the fallen leaves must be thrown up to fall onto the separator conveyor belt, and under the action of air disturbed by the bristles, the fallen leaves hardly or even cannot stably fall onto the separator conveyor belt, so that although the restriction of the front cover is provided, a part of the fallen leaves are drilled out from the gap between the two rows of bristles to seriously affect the cleaning effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a lawn fallen leaf cleaning device which does not damage the lawn and has good cleaning effect.
The scheme for solving the technical problems is as follows:
The lawn fallen leaf cleaning device comprises a travelling vehicle, a collecting device and a cleaning and conveying device, wherein the collecting device is arranged on the travelling vehicle, the cleaning and conveying device is arranged at the front head of the travelling vehicle,
The cleaning and conveying device comprises two side plates, a fallen leaf baffle plate, a brush roller, a synchronous belt conveyor and a transmission mechanism, wherein,
The two side plates are respectively fixed on two sides of the front head of the walking vehicle and extend from the lower part of the front head of the walking vehicle to the upper part of the front head of the walking vehicle to the position beyond the collecting device to form a conveying channel of the synchronous belt conveyor;
The brush roller consists of a roller and comb teeth Mao Pai which are radially and uniformly distributed on the roller;
the synchronous belt conveyor comprises a synchronous belt and a pair of synchronous rollers, wherein the comb teeth Mao Pai are vertically and equidistantly distributed on the synchronous belt;
The hairbrush roller and the synchronous belt conveyor are arranged between the two side plates; one pair of synchronous rollers of the synchronous belt conveyor is positioned at the upper parts of the two side plates and close to the collecting device, and the other pair of synchronous rollers is positioned at the lower parts of the two side plates and far away from the traveling vehicle, so that the synchronous belt obliquely rises to the rear upper part from the front lower part of the conveying channel; the brush roller is arranged right in front of the other synchronous roller of the synchronous belt conveyor, which is positioned at the lower parts of the two side plates, and the axis of the brush roller is parallel to the axis of the other synchronous roller and is positioned in the same horizontal plane; the roller of the brush roller and a pair of synchronous rollers of the synchronous belt conveyor are supported on two side plates by a transmission shaft, wherein one end of the transmission shaft of the roller and the other synchronous roller penetrates out of one side plate;
The diameter of the synchronous belt wrapped by the other synchronous roller is equal to the roller diameter of the hairbrush roller, and when the comb-shaped hair rows on the synchronous belt run on the other synchronous roller opposite to the hairbrush roller, the included angle between two adjacent comb-shaped hair rows on the contact section of the synchronous belt and the other synchronous roller is equal to 1/2 of the included angle between the two adjacent comb-shaped hair rows on the hairbrush roller;
The fallen leaf baffle consists of a cross rod with two ends respectively fixed on the two side plates and a row of comb teeth vertically downward arranged at the lower side of the cross rod, wherein the cross rod is positioned above the brush roller and is parallel to the brush roller;
The transmission mechanism consists of a pair of gears which are meshed with each other and a driving device, wherein the modulus and the tooth number of the gears which are meshed with each other are equal, one gear is fixed at the head part of the brush roller transmission shaft penetrating out of one end of the side plate, and the other gear is fixed at the head part of the other synchronous roller transmission shaft of the synchronous belt conveyor, which is positioned at the lower parts of the two side plates, penetrating out of one end of the side plate; the driving device drives a pair of gears meshed with each other to synchronously rotate, so that a synchronous belt of the synchronous belt conveyor moves from bottom to top at one side opposite to the hairbrush roller; in the moving process, each comb-shaped hair row Mao Pai on the brush roller is intersected with the comb-shaped hair row running on the other synchronous roller, and when the two intersected comb-shaped hair rows rotate to be in contact with the ground, a V-shaped structure is formed, and then the two intersected comb-shaped hair rows continue to rotate to be close to the leaving position, an inverted V-shaped structure is formed; and in the inverted V-shaped structure state, the lower ends of the comb teeth on the fallen leaf baffle are contacted with the upper surfaces of the comb-tooth-shaped hair rows close to the separation positions on the brush roller.
The lawn fallen leaf cleaning device comprises a guide mounting frame, a collecting box and a discharging mechanism, wherein,
The guide mounting frame is a rectangular channel with one end opened near the tail part of the traveling vehicle, the inner walls of the two sides of the rectangular channel are provided with horizontal sliding grooves relatively, one end of the bottom part positioned at the tail part of the traveling vehicle is provided with a discharge opening, and a discharge turning plate capable of turning forward and downward is hinged in the discharge opening;
The collecting box is an inverted trapezoid barrel with two open ends, the projection of the inverted trapezoid barrel in a longitudinal vertical face is an inverted trapezoid with the front side edge inclined from the front upper direction to the rear lower direction and the rear side edge vertical, the projection of the inverted trapezoid barrel in a transverse vertical face is rectangular, and the projection of the inverted trapezoid barrel in a horizontal plane is also rectangular; a horizontal sliding rail matched with the sliding grooves is oppositely arranged above the outer walls of the two sides of the collecting box, and a control chute is oppositely arranged below the collecting box at a position corresponding to the discharging turning plate, and the control chute is inclined from front lower part to rear upper part; the collecting box is arranged in the guide mounting frame and supported on the sliding groove by the sliding rail;
The discharging mechanism comprises a first screw driving mechanism, and the mechanism consists of a second motor, a first screw rod and a first nut matched with the screw rod; the second motor is fixed on the inner surface of the guide mounting frame, which is close to the bottom of one end of the cleaning and conveying device, the first nut is embedded on the inner wall of one end of the collecting box relative to the second motor, one end of the first screw rod is in butt joint with the output shaft of the second motor, and the other end of the first screw rod penetrates through the first nut and extends to the middle of the collecting box; two sides of the collecting box are respectively provided with a swing rod, the lower head of the swing rod is relatively fixed on the side edge of the unloading turning plate, and the upper head is transversely provided with a rotating roller which extends into the control chute; when the first screw driving mechanism drives the collecting box to slide towards the tail of the walking vehicle, the discharging turning plate rotates around the hinge point of the discharging turning plate together with the two swinging rods under the action of the control chute, so that the discharging opening is opened.
The lawn fallen leaf cleaning device further comprises a raking mechanism, wherein the raking mechanism comprises a second screw driving mechanism, a supporting plate, a raking plate and two electromagnetic push rods, and two ends of the supporting plate are transversely supported on edges of two sides of the upper head of the collecting box; the two electromagnetic push rods are symmetrically fixed on the side surface of the supporting plate, and the heads of the rod bodies are downward; the harrow plate is fixed at the head of the rod body of the electromagnetic push rod; the second screw driving mechanism consists of a third motor, a second screw rod and a second nut matched with the screw rod;
The opening part of the upper head of the collecting box is relatively provided with two lugs with the same shape, wherein one lug is formed by directly extending upwards a rear wall plate of the collecting box positioned at one end of the tail part of the travelling vehicle, and the other lug spans the two side edges close to the other end of the collecting box; the raking mechanism is arranged between the two lugs, the third motor is fixed on the outer side of the other lug, and the output shaft of the third motor penetrates through the lug; the second nut is transversely fixed at the middle part of the supporting plate; one end of the second screw rod is in butt joint with the output shaft of the third motor, and the other end of the second screw rod penetrates through the second nut to extend to and support on a lug positioned at one end of the tail of the travelling vehicle.
In order to simplify the transmission mechanism and make the transmission mechanism more compact, the driving device in the lawn fallen leaf cleaning device consists of a first motor, a driving gear and a driven gear, wherein the motor is arranged on the inner side of a side plate where the pair of intermeshing gears are positioned, a transmission shaft of the motor extends out of the side plate, the driving gear is fixed on the head of the transmission shaft of the motor, and the driven gear is arranged between the driving gear and the pair of intermeshing gears and is meshed with the other gear.
According to the lawn fallen leaf cleaning device, the comb-shaped hair rows on the roller and the comb-shaped hair rows on the synchronous belt are all composed of a plurality of rows of glass fiber yarns. The number and density of the rows of glass filaments comprising the comb-like wool rows may be dependent on the thickness and hardness of the glass filaments to enable the lifting She Weiyi to be cradled.
In order to improve the integrity of a conveying channel of the synchronous belt conveyor, the lawn fallen leaf cleaning device also comprises a connecting plate, wherein the connecting plate is arranged at the front side of the hairbrush roller, and two ends of the connecting plate are respectively fixed on the two side plates.
The invention has the following beneficial effects:
Because each comb-shaped hair row Mao Pai on the brush roller is intersected with the comb-shaped hair row on the synchronous belt respectively in the moving process of the brush roller and the synchronous belt conveyor, the two crossed comb-shaped hair rows form a V-shaped structure when rotating to be in contact with the ground, bristles (glass fiber yarns) of the two comb-shaped hair rows hold fallen leaves from grass plants, when continuing to rotate to be close to a leaving position to form an inverted V-shaped structure, the held fallen leaves are divided into two parts by the two rows of comb-shaped hair rows, one part of the fallen leaves directly falls onto the synchronous belt and is sent into the collecting device, the other part of the fallen leaves firstly falls into a space formed by the fallen leaf baffle and the corresponding comb-shaped hair row on the brush roller, and one comb-shaped hair row after the corresponding comb-shaped hair row on the synchronous belt falls into the collecting device again in the process of passing over the fallen leaf baffle. Therefore, the brush roller in the lawn fallen leaf cleaning device can hold fallen leaves on the synchronous belt conveyor only by slowly rotating, in the process, the comb-shaped hair rows can not brush tender grass leaves, and the brush roller can not disturb air to cause fallen leaves to float in disorder, so that the cleaning effect is obviously improved.
Secondly, the lawn fallen leaf cleaning device of the utility model omits a front vehicle cover used by the utility model patent with the bulletin number of CN 203716086A, thereby reducing the weight and saving the cost.
Drawings
Fig. 1 to 3 are schematic structural views of an embodiment of the lawn leaf cleaning apparatus according to the present invention, wherein fig. 1 is a front view (A-A section of fig. 2), fig. 2 is a left side view, and fig. 3 is a B-B section of fig. 2.
Fig. 4 is a schematic view (perspective view) of the structure of the cleaning and conveying device in the embodiment shown in fig. 1 to 3.
Fig. 5 is a schematic diagram of the device for cleaning fallen leaves on a lawn according to the present invention (taking a pair of crossed two comb-shaped hair rows as an example), wherein a diagram a is a state diagram when the crossed two comb-shaped hair rows rotate to contact with the ground, and a diagram B is a state diagram when the crossed two comb-shaped hair rows continue to rotate to a position close to a leaving position.
FIGS. 6 and 7 are schematic structural views of the transmission mechanism in the embodiment shown in FIGS. 1 to 3; wherein fig. 6 is a front view (a partial enlarged view of the position of the transmission mechanism in fig. 3, the shield of the transmission mechanism is omitted in the drawing), and fig. 7 is an enlarged view of fig. 6 from a direction.
FIGS. 8 to 11 are schematic views showing the structure of a collecting box in the embodiment shown in FIGS. 1 to 3; wherein fig. 8 is a front view (C-C section of fig. 9), fig. 9 is a top view, fig. 10 is a D-D section of fig. 9, and fig. 11 is an E-E section of fig. 9.
Fig. 12 is a schematic structural view of the raking mechanism (a partial perspective view of the upper portion of the collection tank) in the embodiment shown in fig. 1 to 3.
Fig. 13 and 14 are schematic structural views of the discharging mechanism in the embodiment shown in fig. 1 to 3, wherein fig. 13 is a partial enlarged view (the shield is partially cut) of the lower portion of fig. 10, and fig. 14 is a F-F sectional view of fig. 13.
Fig. 15 is a schematic view of the discharge mechanism of fig. 13 in a discharge state.
Fig. 16 and 17 are schematic structural views of another embodiment of the driving device in the cleaning and conveying device according to the present invention; wherein fig. 16 is a front view and fig. 17 is a top view.
Fig. 18 and 19 are schematic structural views of a third embodiment of the driving device in the cleaning and conveying device; wherein fig. 18 is a front view and fig. 19 is a top view.
Detailed Description
Example 1
Referring to fig. 1 to 3, the lawn fallen leaf cleaning device of the invention comprises a traveling vehicle 1, a collecting device 2 and a cleaning and conveying device 3. Wherein the collecting device 2 is arranged above the travelling carriage 1, and the cleaning and conveying device 3 is arranged at the front head of the travelling carriage 1.
Referring to fig. 1 to 3 in combination with fig. 4 and 5, the cleaning and conveying device 3 includes two side plates 4, a fallen leaf baffle 5, a brush roller 6, a timing belt conveyor 7 and a transmission mechanism 8, wherein,
The two side plates 4 are fixed on the two sides of the front head of the traveling vehicle 1 in parallel and extend from the lower part of the front head of the traveling vehicle to the upper part of the rear head of the traveling vehicle beyond the collecting device 2 to form a conveying channel 9 of the synchronous belt conveyor 7, the conveying channel 9 is provided with a connecting plate 10 on the front side of the brush roller 6, and the two ends of the connecting plate 10 are respectively fixed on the two side plates 4;
the brush roller 6 is composed of a roller and comb-shaped hair rows 27 which are radially and uniformly distributed on the roller, wherein the comb-shaped hair rows 27 are composed of two rows of glass fiber yarns (see figure 5);
the synchronous belt conveyor 7 comprises a synchronous belt 7-1 and a pair of synchronous rollers 7-2, wherein comb-shaped hair rows 27 are vertically and equidistantly distributed on the synchronous belt 7-1, and the comb-shaped hair rows 27 are also composed of two rows of glass fiber yarns;
the brush roller 6 and the synchronous belt conveyor 7 are arranged between the two side plates 4, wherein one of the upper parts of the pair of synchronous drums 7-2 of the synchronous belt conveyor 7 is positioned at the upper part of the two side plates 4 and is close to the collecting device 2, and the other lower part of the synchronous belt conveyor 7 is positioned at the lower part of the two side plates 4 and is far away from the travelling carriage 1, so that the synchronous belt 7 is obliquely lifted from the front lower part to the rear upper part of the conveying channel 9; the brush roller 6 is arranged right in front of the lower parts of the two side plates 4 of the synchronous belt conveyor 7, and the axis of the brush roller is parallel to the axis of the other synchronous roller 7-2 at the lower part and is positioned in the same horizontal plane; the roller of the brush roller 6 and the transmission shaft of the other synchronizing roller 7-2 at the lower part are supported by the transmission shafts on the two side plates 4, wherein one end of the transmission shaft of the roller of the brush roller 6 and the other synchronizing roller 7-2 at the lower part passes through the right side plate 4 (see fig. 4).
Referring to fig. 1-3, the diameter of the other synchronous drum 7-2 at the lower part wrapping the synchronous belt 7 is equal to the drum diameter of the brush roller 6, and when the comb-shaped hair rows 27 on the synchronous belt 7 run on the other synchronous drum 7-2 at the lower part opposite to the brush roller 6, the included angle between the adjacent two comb-shaped hair rows 27 on the contact section of the synchronous belt 7 and the other synchronous drum 7-2 at the lower part is equal to 1/2 of the included angle between the adjacent two comb-shaped hair rows 27 on the brush roller 6.
Referring to fig. 1 to 3, 6 to 7 and fig. 4 in combination, in this example, the transmission mechanism 8 is composed of a pair of gears 8-1, 8-2 and a driving device which are meshed with each other, wherein the modules of the gears 8-1 and 8-2 are 2, the numbers of teeth are 60, the gear 8-1 is fixed on the head part of the brush roller 6, where the transmission shaft of the roller passes through one end of the right side plate 4, and the gear 8-2 is fixed on the head part of the other synchronous roller 7-2, where the synchronous belt conveyor 7 is located at the lower part, where the transmission shaft passes through one end of the right side plate 4 (see fig. 4); the driving device comprises a driving gear 8-3, a driven gear 8-4 and a first motor 8-9, wherein the first motor 8-9 is arranged at the inner side of the right side plate 4 and is close to one end of the travelling car, a transmission shaft of the first motor extends out of the side plate 4, the driving gear 8-3 is fixed at the head part of the transmission shaft of the first motor 8-9, and the driven gear 8-4 is arranged between the driving gear 8-3 and a pair of gears 8-1 and 8-2 which are meshed with each other and meshed with the gear 8-2 (see figure 4); the axes of the gear 8-1, the gear 8-2, the driven gear 8-3 and the driving gear 8-4 are parallel to each other and on the same horizontal plane (see fig. 4).
Referring to fig. 1 in combination with fig. 5, the defoliation baffle 5 is composed of two ends respectively composed of a cross bar 5-1 fixed on two side plates 4 and a row of comb teeth 5-2 arranged under the cross bar 5-1 and vertically downward, wherein the cross bar 5-1 is positioned above the brush roller 6 and parallel to the brush roller 6.
Referring to fig. 5 to 7, the first motor 8-9 drives the driven gear 8-4 through the driving gear 8-3 to drive, so that the gear A8-1 and the gear B8-2 which are meshed with each other synchronously rotate reversely, and the side of the synchronous belt 7-1 opposite to the brush roller 6 moves from bottom to top; during this movement, each comb-shaped hair row 27 on the brush roller 6 is intersected with the comb-shaped hair row 27 on the other synchronous roller 7-2 running to the lower part, and the two intersected comb-shaped hair rows 27 form a V-shaped structure when rotating to contact with the ground 28, and form an inverted V-shaped structure when continuing to rotate to a near-leaving position. In the inverted V-shaped structure, the lower ends of the comb teeth 5-2 on the fallen leaf baffle 5 are in contact with the upper surfaces of the comb-tooth-shaped hair rows 27 on the brush roller 6 at the approaching-separating positions.
Referring to fig. 5, during the movement of the brush roller 6 and the synchronous belt conveyor 7, each comb-shaped hair row 27 on the brush roller 6 is intersected with the comb-shaped hair row 27 on the synchronous belt, the two intersected comb-shaped hair rows 27 rotate to form a V-shaped structure when contacting with the ground 28, bristles (glass fiber yarns) of the two comb-shaped hair rows 27 are lifted from grass plants 29, when continuing to rotate to a near-leaving position to form an inverted V-shaped structure, the lifted fallen leaves are separated into two parts by the two comb-shaped hair rows 27, one part falls directly onto the synchronous belt 7 and is sent into the collecting device 2, the other part falls into a space formed by the corresponding comb-shaped hair row 27 on the falling leaf baffle 5 and the brush roller 6, and one comb-shaped hair row 27 behind the corresponding comb-shaped hair row 27 on the synchronous belt 7 falls into the collecting device 2 after the corresponding comb-shaped hair row 27 passes over the falling leaf baffle 5.
Referring to fig. 8 to 14, the collecting device 2 includes a guide mounting frame 14, a collecting tank 15, a raking mechanism, and a discharging mechanism.
Referring to fig. 8 to 11, the guiding mounting rack 14 is a rectangular channel with one end opened near the tail of the travelling car, the rectangular channel is surrounded by a bottom plate 14-3, two side plates 14-1 perpendicular to the bottom plate 14-3 and a front end plate 14-4, wherein two reinforcing plates 14-2 perpendicular to the bottom plate 14-3 are respectively arranged on the inner walls of the two side plates 14-1; the inner walls of the two sides of the rectangular channel are provided with horizontal sliding grooves 32 relatively, one end of the bottom (namely the bottom plate 14-3) positioned at the tail of the traveling vehicle is provided with a discharge opening, and a discharge turning plate 16 capable of turning forward and downward is hinged in the discharge opening; the collecting box 15 is an inverted trapezoid barrel with two open ends, and the inverted trapezoid barrel is formed by enclosing a vertical rectangular rear wall plate 15-2, two vertical front side edges inclined from front upper side to rear lower side, an inverted trapezoid side wall plate 15-4 with the vertical rear side edges and an inclined front wall plate 15-3; the upper parts of the outer walls of the two sides of the collecting box 15 are oppositely provided with sliding rails 31 which are horizontally matched with sliding grooves 32, the lower parts of the outer walls are oppositely provided with control chute 19 at positions corresponding to the discharging turning plates 16, and the control chute 19 is inclined from front lower part to rear upper part; the collection box 15 is provided in the guide mount 14 and is supported on the slide grooves 32 by the slide rails 31. Two vertical reinforcing plates 14-2 are also arranged on the outer walls of the two sides of the collecting box 15, and the sliding rail 31 is welded on the outer sides of the two reinforcing plates 14-2.
Referring to fig. 8-11 in combination with fig. 1-2, the open mouth of the upper head of the collecting box 15 is relatively provided with two lugs 15-1 with the same shape, wherein one lug 15-1 is formed by extending directly upwards from the rear wall plate 15-2 of the collecting box at one end of the tail of the travelling car, and the other lug 15-1 spans across the two side wall plates 15-4 close to the other end of the collecting box 15; the upper head of the collecting box 15 is also provided with a box cover 14-5 having the same cross section as the lugs 15-1, the box cover 14-5 being covered and fixed on the two lugs 15-1, and the edges of both sides extending downward to mask the upper head of the collecting box 15 therein.
Referring to fig. 12, the raking mechanism includes a second screw driving mechanism, a supporting plate 11, a rake plate 12 and two electromagnetic push rods 13, wherein the supporting plate 11 is of a two-end backward bent plate structure, the length of the supporting plate is equal to the width of the collecting box 15, two rollers 21 are respectively arranged below the bent parts of the two ends, and the rollers 21 transversely support the supporting plate 11 on the edges of the wall plates 15-4 on the two sides of the upper end of the collecting box 15. The two electromagnetic push rods 13 are symmetrically fixed on the rear side surface of the supporting plate 11, the heads of the rod bodies are downward, and the harrow plate 12 is fixed on the heads of the rod bodies of the electromagnetic push rods 13. The rake plate 12 is in the shape of a horizontally placed flat plate, and the lower surface of the rake plate is provided with vertically downward rake teeth. The second screw driving mechanism consists of a third motor 25, a second screw rod 26 and a second nut 23-2 matched with the screw rod.
Referring to fig. 12, the raking mechanism is arranged between two lugs 15-1, wherein a third motor 25 is fixed outside a lug 15-1 at one end of the cleaning and conveying device, and the output shaft of the third motor passes through the lug 15-1; a second nut 23-2 is fastened transversely to the middle of the support plate 11, one end of the second screw 26 being in abutment with the output shaft of the third motor 25, and the other end extending through the second nut 23-2 and bearing against the other lug 15-1 remote from the cleaning conveyor.
Referring to fig. 13-15 in combination with fig. 8-10, the discharge mechanism includes a first screw drive mechanism consisting of a second motor 18, a first screw 24, and a first nut 23-1 mated with the screw; wherein, the second motor 18 is fixed on the inner surface of the guide mounting frame 14 near the bottom plate 14-3 of one end of the cleaning and conveying device, the first nut 23-1 is embedded on the inclined front wall plate 15-3 of one end of the collecting box 15 relative to the second motor 18, one end of the first screw rod 24 is in butt joint with the output shaft of the second motor 18, and the other end extends to the middle part of the collecting box 15 through the first nut 23-1. Referring to fig. 8 to 10, in order to facilitate ensuring that the first nut 23-1 is coaxial with the output shaft of the second motor 18, the inclined front wall plate 15-3 is embedded with the lower end of the first nut 23-1 and is vertically bent downwards, and the corresponding positions of the front sides of the two inverted trapezoidal side wall plates 15-4 are correspondingly vertically bent downwards; the outer walls of the two inverted trapezoid side wall plates 15-4 of the collecting box 15 are respectively provided with a control chute 19 at positions corresponding to the discharge turning plates 16, and the control chute 19 is inclined from front lower direction to rear upper direction; two sides of two inverted trapezoid side wall plates 15-4 of the collecting box 15 are respectively provided with a swing rod 17, the lower head of the swing rod 17 is vertically welded on the side edge of the unloading turning plate 16 relatively, the upper head is transversely provided with a rotating roller 30, and the roller 30 extends into the control chute 19; when the first screw driving mechanism drives the collecting box 15 to slide towards the tail of the walking vehicle, the discharging turning plate 16 and the two swinging rods 17 rotate around the hinge point of the discharging turning plate 16 under the action of the control chute 19, so that the discharging opening is opened.
Referring to fig. 9 and 11, in order to prevent fallen leaves or other foreign matter from being entangled with the first screw 24, the discharge mechanism further includes a protective cover 22, wherein the protective cover 22 is a semicircular box having an arched cross section, and the left end is integrally connected with the collecting box 15 to cover the first screw 24 therein.
Referring to fig. 1 and 3, in order to prevent individual fallen leaves from sticking to the comb-shaped hair rows 27 of the timing belt 7-1 and falling back on the lawn, the guide mounting frame 14 is provided with a comb plate 20 near the upper edge of a head plate 14-4 of the cleaning and conveying device, and the comb teeth of the comb plate 20 are upward and extend into the comb-shaped hair rows 27 of the timing belt 7-1.
The travelling vehicle 1 used in this example is a unmanned motor vehicle of known satellite positioning.
Example 2
Fig. 16 and 17, the driving device in this example comprises a driving pulley 8-7, a driven pulley 8-8 and a first motor 8-9, wherein the first motor 8-9 is mounted inside the right side plate 4 and is located close to the travelling carriage, and the output shaft of the first motor 8-9 extends out of the side plate 4; the driving pulley 8-7 is fixed at the head of the output shaft of the first motor 8-9, and the driven pulley 8-8 is arranged at the head of one end of the right side plate 4 and is positioned outside the gear B8-2, and the transmission shaft of the other synchronous roller 7-2 arranged at the lower part of the synchronous belt conveyor 7 penetrates out of the head of the other synchronous roller 7-2.
Other embodiments than the above are the same as in example 1.
Example 3
Fig. 18 and 19, the driving device in this example comprises a driving sprocket 8-5, a driven sprocket 8-6 and a first motor 8-9, wherein the first motor 8-9 is mounted inside the right side plate 4 and is located close to the traveling carriage, and the output shaft thereof extends out of the side plate 4; the driving chain wheel 8-5 is fixed at the head of the output shaft of the first motor 8-9, the driven chain wheel 8-6 is arranged at the head of one end of the right side plate 4 and is positioned at the outer side of the gear B8-2, and the transmission shaft of the other synchronous roller 7-2 arranged at the lower part of the synchronous belt conveyor 7 penetrates out of the head of the other synchronous roller 7-2.
Other embodiments than the above are the same as in example 1.
Claims (4)
1. The lawn fallen leaf cleaning device comprises a travelling vehicle, a collecting device and a cleaning and conveying device, wherein the collecting device is arranged on the travelling vehicle, the cleaning and conveying device is arranged at the front head of the travelling vehicle,
The cleaning and conveying device comprises two side plates, a fallen leaf baffle plate, a brush roller, a synchronous belt conveyor and a transmission mechanism, wherein,
The two side plates are respectively fixed on two sides of the front head of the walking vehicle and extend from the lower part of the front head of the walking vehicle to the upper part of the front head of the walking vehicle to the position beyond the collecting device to form a conveying channel of the synchronous belt conveyor;
The brush roller consists of a roller and comb teeth Mao Pai which are radially and uniformly distributed on the roller;
the synchronous belt conveyor comprises a synchronous belt and a pair of synchronous rollers, wherein the comb teeth Mao Pai are vertically and equidistantly distributed on the synchronous belt;
The hairbrush roller and the synchronous belt conveyor are arranged between the two side plates; one synchronous roller is positioned at the upper parts of the two side plates and is close to the collecting device, and the other synchronous roller is positioned at the lower parts of the two side plates and is far away from the travelling car, so that the synchronous belt obliquely rises to the upper rear part from the front lower direction of the conveying channel; the brush roller is arranged right in front of the other synchronous roller of the synchronous belt conveyor, which is positioned at the lower parts of the two side plates, and the axis of the brush roller is parallel to the axis of the other synchronous roller and is positioned in the same horizontal plane; the roller of the brush roller and a pair of synchronous rollers of the synchronous belt conveyor are supported on two side plates by a transmission shaft, wherein one end of the transmission shaft of the roller and the other synchronous roller penetrates out of one side plate;
The diameter of the synchronous belt wrapped by the other synchronous roller is equal to the roller diameter of the hairbrush roller, and when the comb-shaped hair rows on the synchronous belt run on the other synchronous roller opposite to the hairbrush roller, the included angle between two adjacent comb-shaped hair rows on the contact section of the synchronous belt and the other synchronous roller is equal to 1/2 of the included angle between the two adjacent comb-shaped hair rows on the hairbrush roller;
The fallen leaf baffle consists of a cross rod with two ends respectively fixed on the two side plates and a row of comb teeth vertically downward arranged at the lower side of the cross rod, wherein the cross rod is positioned above the brush roller and is parallel to the brush roller;
The transmission mechanism consists of a pair of gears which are meshed with each other and a driving device, wherein the modulus and the tooth number of the gears which are meshed with each other are equal, one gear is fixed at the head part of the brush roller transmission shaft penetrating out of one end of the side plate, and the other gear is fixed at the head part of the other synchronous roller transmission shaft of the synchronous belt conveyor, which is positioned at the lower parts of the two side plates, penetrating out of one end of the side plate; the driving device drives a pair of gears meshed with each other to synchronously rotate, so that a synchronous belt of the synchronous belt conveyor moves from bottom to top at one side opposite to the hairbrush roller; in the moving process, each comb-shaped hair row Mao Pai on the brush roller is intersected with the comb-shaped hair row running on the other synchronous roller, and when the two intersected comb-shaped hair rows rotate to be in contact with the ground, a V-shaped structure is formed, and then the two intersected comb-shaped hair rows continue to rotate to be close to the leaving position, an inverted V-shaped structure is formed; in the inverted V-shaped structure state, the lower ends of the comb teeth on the fallen leaf baffle are contacted with the upper surfaces of the comb-tooth-shaped hair rows close to the separated positions on the hairbrush roller;
the collecting device comprises a guide mounting frame, a collecting box and a discharging mechanism, wherein,
The guide mounting frame is a rectangular channel with the upper part and one end close to the tail of the walking vehicle being opened, the inner walls of the two sides of the rectangular channel are provided with horizontal sliding grooves relatively, one end of the bottom part positioned at the tail of the walking vehicle is provided with a discharge opening, and a discharge turning plate capable of turning forward and downward is hinged in the discharge opening;
The collecting box is an inverted trapezoid barrel with two open ends, the projection of the inverted trapezoid barrel in a longitudinal vertical face is an inverted trapezoid with the front side edge inclined from the front upper direction to the rear lower direction and the rear side edge vertical, the projection of the inverted trapezoid barrel in a transverse vertical face is rectangular, and the projection of the inverted trapezoid barrel in a horizontal plane is also rectangular; a horizontal sliding rail matched with the sliding grooves is oppositely arranged above the outer walls of the two sides of the collecting box, and a control chute is oppositely arranged below the collecting box at a position corresponding to the discharging turning plate, and the control chute is inclined from front lower part to rear upper part; the collecting box is arranged in the guide mounting frame and supported on the sliding groove by the sliding rail;
The discharging mechanism comprises a first screw driving mechanism, and the mechanism consists of a second motor, a first screw rod and a first nut matched with the screw rod; the second motor is fixed on the inner surface of the guide mounting frame, which is close to the bottom of one end of the cleaning and conveying device, the first nut is embedded on the inner wall of one end of the collecting box relative to the second motor, one end of the first screw rod is in butt joint with the output shaft of the second motor, and the other end of the first screw rod penetrates through the first nut and extends to the middle of the collecting box; two sides of the collecting box are respectively provided with a swing rod, the lower head of the swing rod is relatively fixed on the side edge of the unloading turning plate, and the upper head is transversely provided with a rotating roller which extends into the control chute; when the first screw driving mechanism drives the collecting box to slide towards the tail of the walking vehicle, the discharging turning plate rotates around the hinge point of the discharging turning plate together with the two swing rods under the action of the control chute, so that the discharging opening is opened;
The walking vehicle is a satellite positioning unmanned motor vehicle.
2. The lawn fallen leaf cleaning apparatus of claim 1, wherein said collection apparatus further comprises a raking mechanism comprising a second screw drive mechanism, a support plate, a rake plate and two electromagnetic push rods, wherein both ends of said support plate are laterally supported on edges of both sides of the upper head of said collection box; the two electromagnetic push rods are symmetrically fixed on the side surface of the supporting plate, and the heads of the rod bodies are downward; the harrow plate is fixed at the head of the rod body of the electromagnetic push rod; the second screw driving mechanism consists of a third motor, a second screw rod and a second nut matched with the screw rod;
The opening part of the upper head of the collecting box is relatively provided with two lugs with the same shape, wherein one lug is formed by directly extending upwards a rear wall plate of the collecting box positioned at one end of the tail part of the travelling vehicle, and the other lug spans the two side edges close to the other end of the collecting box; the raking mechanism is arranged between the two lugs, the third motor is fixed on the outer side of the other lug, and the output shaft of the third motor penetrates through the lug; the second nut is transversely fixed at the middle part of the supporting plate; one end of the second screw rod is in butt joint with the output shaft of the third motor, and the other end of the second screw rod penetrates through the second nut to extend to and support on a lug positioned at one end of the tail of the travelling vehicle.
3. A lawn fallen leaf cleaning apparatus according to claim 1 or claim 2, wherein the drive means comprises a first motor, a driving gear and a driven gear, wherein the first motor is arranged on the inner side of a side plate on which the pair of intermeshing gears are located, the drive shaft of the first motor extends beyond the side plate, the driving gear is fixed to the head of the drive shaft of the first motor, and the driven gear is arranged between the driving gear and the pair of intermeshing gears and is meshed with the other gear.
4. A lawn fallen leaf cleaning apparatus according to claim 3, wherein the guide mounting frame has a comb plate adjacent to the upper edge of the box plate at one end of the cleaning and transporting apparatus, the comb teeth of the comb plate extending upwardly and to the comb teeth Mao Paizhong on the timing belt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810286858.7A CN108307939B (en) | 2018-04-03 | 2018-04-03 | Lawn fallen leaf cleaning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810286858.7A CN108307939B (en) | 2018-04-03 | 2018-04-03 | Lawn fallen leaf cleaning device |
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| CN108307939B true CN108307939B (en) | 2024-05-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110847101A (en) * | 2019-12-18 | 2020-02-28 | 陕西中建建乐智能机器人有限公司 | Fallen leaf sucking and sweeping robot |
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| CN108307939A (en) | 2018-07-24 |
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