阅读说明：本技术 一种绿化工程小型割草机 (Small-size lawn mower of afforestation engineering ) 是由 陈鹏 于 2019-12-17 设计创作，主要内容包括：本发明公开了一种绿化工程小型割草机,包括收集箱,所述收集箱的侧面设有防护罩,所述防护罩的顶部中心处固定设有第一电机,所述防护罩顶部的内侧设有空腔,所述空腔的内部中心处设有主动齿轮,且所述主动齿轮与第一电机通过转轴传动连接,所述主动齿轮的两侧均设有从动齿轮。本发明根据草坪的修整深度,可对防护罩的高度进行调节,丝杆顺时针转动时,连接件带动防护罩下移,丝杆逆时针转动时,防护罩则上移,调节合适后,主动齿轮以及两个从动齿轮通过轴杆分别带动第一刀头以及两个第二刀头转动,两个第二刀头呈顺时针转动,第一刀头呈逆时针转动,该割草机的割草深度可进行调节,且切割面积大,体型小,切割效果好,实用性好。(The invention discloses a small mower for greening engineering, which comprises a collecting box, wherein a protective cover is arranged on the side surface of the collecting box, a first motor is fixedly arranged at the center of the top of the protective cover, a cavity is arranged on the inner side of the top of the protective cover, a driving gear is arranged at the center of the inner part of the cavity, the driving gear is in transmission connection with the first motor through a rotating shaft, and driven gears are arranged on two sides of the driving gear. According to the lawn mower, the height of the protective cover can be adjusted according to the trimming depth of a lawn, the connecting piece drives the protective cover to move downwards when the screw rod rotates clockwise, the protective cover moves upwards when the screw rod rotates anticlockwise, after the adjustment is proper, the driving gear and the two driven gears respectively drive the first cutter head and the two second cutter heads to rotate through the shaft rods, the two second cutter heads rotate clockwise, the first cutter head rotates anticlockwise, the mowing depth of the lawn mower can be adjusted, the cutting area is large, the size is small, the cutting effect is good, and the practicability is good.)

1. The utility model provides a small-size lawn mower of afforestation engineering, includes collecting box (1), its characterized in that: the collecting box is characterized in that a protective cover (2) is arranged on the side face of the collecting box (1), a first motor (21) is fixedly arranged at the center of the top of the protective cover (2), a cavity (23) is arranged on the inner side of the top of the protective cover (2), a driving gear (24) is arranged at the center of the inner portion of the cavity (23), the driving gear (24) is in transmission connection with the first motor (21) through a rotating shaft, driven gears (25) are arranged on two sides of the driving gear (24), the driven gears (25) are meshed with the driving gear (24), shaft rods (26) are fixedly arranged at the bottoms of the driven gears (25) and the driving gear (24), first tool bits (27) are arranged at the bottom of the driving gear (24), second tool bits (28) are arranged at the bottom of the driven gears (25), and the first tool bits (27) are connected with the driving gear (24), the second cutter head (28) is connected with the driven gear (25) through a shaft rod (26), blades (29) are fixedly arranged on the outer sides of the first cutter head (27) and the second cutter head (28), and a square hole (210) is formed in one side, close to the collection box (1), of the protection cover (2);

the novel collecting box is characterized in that a support plate (3) is fixedly arranged on one side, close to the protective cover (2), of the collecting box (1), a second motor (31) is fixedly arranged on the top of the support plate (3), a lead screw (32) is arranged at the bottom of the second motor (31), the lead screw (32) is in transmission connection with the second motor (31) through a rotating shaft, a connecting piece (33) is fixedly arranged on one side, close to the lead screw (32), of the collecting box (2), the connecting piece (33) is in threaded connection with the lead screw (32), a corrugated pipe (34) is arranged at the center, close to one side of the collecting box (1), of the collecting box (2), and the collecting box (1) is in conduction connection through the corrugated pipe (.

2. A greening engineering small mower as claimed in claim 1, characterized in that: the top outside of first motor (21) is equipped with protecting sheathing (22), first motor (21) embedding sets up in protecting sheathing (22), just protecting sheathing (22) passes through screw fixed connection with protection casing (2).

3. A greening engineering small mower as claimed in claim 1, characterized in that: driven gear (25) set up to two, and two driven gear (25) are central symmetry distribution about driving gear (24), driving gear (24) and two driven gear (25) all imbed the setting in cavity (23).

4. A greening engineering small mower as claimed in claim 1, characterized in that: the number of the shaft rods (26) is three, the three shaft rods (26) are linearly arranged and distributed relative to the protective cover (2), the number of the blades (29) is three, each group of the blades (29) is three, one group of the blades (29) is centrosymmetrically distributed relative to the first tool bit (27), and the other two groups of the blades (29) are centrosymmetrically distributed relative to the two second tool bits (28).

5. A greening engineering small mower as claimed in claim 1, characterized in that: the number of the support plates (3) is four, the number of the screw rods (32) is two, one screw rod (32) is located between the two support plates (3), and the screw rods (32) are movably connected with the support plates (3) through bearings.

6. A greening engineering small mower as claimed in claim 1, characterized in that: the section of the corrugated pipe (34) is square, two ends of the corrugated pipe (34) are fixedly connected with the protective cover (2) and the collecting box (1) through screws respectively, and one end of the corrugated pipe (34) corresponds to the square hole (210).

7. A greening engineering small mower as claimed in claim 1, characterized in that: the improved corrugated pipe type air filter is characterized in that a fan (11) is fixedly arranged at the top of one side of the collecting box (1), a filter bag (12) is arranged inside the collecting box (1), a through pipe (13) is arranged on one side, close to the corrugated pipe (34), of the filter bag (12), the corrugated pipe (34) is in conduction connection with the through pipe (13), a leveling roller (14) is arranged at the center of the bottom of the collecting box (1), a roller shaft (15) is arranged at the center of the leveling roller (14), the leveling roller (14) is movably connected with the collecting box (1) through the roller shaft (15), a groove (16) is formed in the bottom of the collecting box (1), the leveling roller (14) is embedded into the groove (16), and traveling crawler belts (17) are arranged on two sides of the bottom of the collecting box (.

8. A greening engineering small mower according to claim 7, characterized in that: the bottom of fan (11) is equipped with battery (19), just battery (19) and fan (11) electric connection, the outside of battery (19) is equipped with buckler (18), buckler (18) and collecting box (1) fixed connection, bottom one side of buckler (18) is equipped with baffle (110), just baffle (110) and buckler (18) pass through spring shaft swing joint, the side activity of collecting box (1) is equipped with door plant (111).

9. A greening engineering small mower as claimed in claim 1, characterized in that: the top that protection casing (2) one side was kept away from in collecting box (1) is fixed to be equipped with bracing piece (4), the top of bracing piece (4) is equipped with slide bar (41), just slide bar (41) and bracing piece (4) sliding connection, slide bar (41) set up to two, two bottom between slide bar (41) is equipped with connecting rod (42), and two connect through connecting rod (42) between slide bar (41), the fixed ball (43) of decorating that is equipped with in top of slide bar (41), the fixed handle (44) that is equipped with in top one side of slide bar (41), the side of handle (44) is equipped with three manipulating key.

10. A landscaping engineering mini mower as claimed in claim 9 wherein: bracing piece (4) set up to two, two the side of bracing piece (4) all is equipped with round hole (45), round hole (45) set up to two sets ofly, and every group round hole (45) all sets up to four, every group round hole (45) are the inline distribution about bracing piece (4), bracing piece (4) are equipped with fastening bolt (46) with the junction of slide bar (41), fastening bolt (46) run through round hole (45) to with slide bar (41) threaded connection, two notch (47) have all been seted up to the relative one side of bracing piece (4), just the both ends of connecting rod (42) are embedded respectively and are set up in two notch (47).

Technical Field

The invention relates to the technical field of greening engineering equipment, in particular to a small-sized mower for greening engineering.

Background

The lawn mower is greening engineering equipment, is also called as a weeder, a lawnmower, a lawn trimmer and the like, is a mechanical tool for trimming lawns, vegetation and the like, is divided into a diesel engine and a gasoline engine, and consists of a cutter head, an engine, traveling wheels, a traveling mechanism, a blade, a handrail, a control part and the like, and is frequently used for trimming lawns in greening engineering operation;

the invention patent of patent application publication No. CN 107624368A discloses a grass mower suitable for trimming an object to be trimmed on a lawn, the grass mower comprising: a mower body; and a support structure mounted in the mower body; and the support structure is capable of extending or retracting the mower body relative to the mower body; the support structure is extendable from a bottom of the mower body relative to the mower body to brace the mower body or a portion of the mower body away from the lawn. The supporting structure of the mower can support the mower body away from a lawn after extending out of the bottom of the mower body, so that a certain distance exists between the bottom of the mower body and the lawn, contact friction between the bottom of the mower body and the lawn is avoided, and the lawn is prevented from being worn down by the bottom of the mower body;

the invention patent of patent application publication No. CN 106068888B discloses a mower, which comprises a frame, a transmission assembly arranged on the frame, and a cutting part connected with the transmission assembly; the cutting part of the mower comprises a first blade, a second blade and a third blade which are driven synchronously, the three blades are arranged in three cutting areas respectively, the cutting area of the mower with the structure is increased compared with that of a traditional mower, and the cutting efficiency is improved; the three cutting areas are independent from each other, the arc-shaped partition plates between the cutting areas limit the cutting areas, so that the partition plates limit the cutting areas of the blades, weeds can be gathered in the cutting areas by the arc-shaped partition plates when the mower works, and the blades can quickly and efficiently cut the weeds in the areas when rotating, so that the cutting capacity of the mower is improved;

however, the above-mentioned comparison document has the following problems when used: because the requirements of different lawns on the mowing depth are different, the corresponding mower is needed to be used when the grass with different depths is cut, the cutting area of the small mower is small, and the practicability of the mower is reduced.

Disclosure of Invention

The invention aims to provide a small mower for greening engineering, which can adjust the height of a protective cover according to the trimming depth of a lawn, wherein when a screw rod rotates clockwise, a connecting piece drives the protective cover to move downwards, when the screw rod rotates anticlockwise, the protective cover moves upwards, after the adjustment is proper, a driving gear and two driven gears respectively drive a first cutter head and two second cutter heads to rotate through shaft rods, the two second cutter heads rotate clockwise, the first cutter head rotates anticlockwise, the mowing depth of the mower can be adjusted, the cutting area is large, the size is small, the cutting effect is good, and the practicability is good, so that the defects in the technology are overcome.

In order to achieve the above purpose, the invention provides the following technical scheme: a small-sized mower for greening engineering comprises a collecting box, a protective cover is arranged on the side surface of the collecting box, the center of the top of the protective cover is fixedly provided with a first motor, the inner side of the top of the protective cover is provided with a cavity, the center of the inner part of the cavity is provided with a driving gear, the driving gear is in transmission connection with the first motor through a rotating shaft, driven gears are arranged on two sides of the driving gear, the driven gear is engaged with the driving gear, the bottom parts of the driven gear and the driving gear are both fixedly provided with shaft levers, the bottom of the driving gear is provided with a first cutter head, the bottom of the driven gear is provided with a second cutter head, the first cutter head is connected with the driving gear through a shaft rod, the second cutter head is connected with the driven gear through a shaft rod, blades are fixedly arranged on the outer sides of the first cutter head and the second cutter head, and a square hole is formed in one side, close to the collecting box, of the protective cover;

the protective cover is characterized in that a support plate is fixedly arranged on one side, close to the protective cover, of the collecting box, a second motor is fixedly arranged on the top of the support plate, a lead screw is arranged at the bottom of the second motor, the lead screw is in transmission connection with the second motor through a rotating shaft, a connecting piece is fixedly arranged on one side, close to the lead screw, of the protective cover, the connecting piece is in threaded connection with the lead screw, a corrugated pipe is arranged at the center, close to one side of the collecting box, of the protective cover, and the protective cover.

Preferably, a protective shell is arranged on the outer side of the top of the first motor, the first motor is embedded in the protective shell, and the protective shell is fixedly connected with the protective cover through screws.

Preferably, the number of the driven gears is two, the two driven gears are distributed in central symmetry with respect to the driving gear, and the driving gear and the two driven gears are embedded in the cavity.

Preferably, the number of the shaft levers is three, the three shaft levers are linearly arranged and distributed relative to the protective cover, the number of the blades is three, each group of the blades is three, one group of the blades is centrosymmetrically distributed relative to the first cutter head, and the other two groups of the blades are centrosymmetrically distributed relative to the two second cutter heads.

Preferably, the number of the support plates is four, the number of the lead screws is two, one lead screw is located between the two support plates, and the lead screw is movably connected with the support plates through bearings.

Preferably, the section of the corrugated pipe is square, two ends of the corrugated pipe are fixedly connected with the protective cover and the collecting box through screws respectively, and one end of the corrugated pipe corresponds to the square hole.

Preferably, a fan is fixedly arranged at the top of one side of the collecting box, a filter bag is arranged in the collecting box, a through pipe is arranged on one side, close to the corrugated pipe, of the filter bag, the corrugated pipe is in conduction connection with the through pipe, a leveling roller is arranged at the center of the bottom of the collecting box, a roller shaft is arranged at the center of the leveling roller, the leveling roller is movably connected with the collecting box through the roller shaft, a groove is formed in the bottom of the collecting box, the leveling roller is embedded into the groove, and traveling tracks are arranged on two sides of the bottom of the collecting box.

Preferably, the bottom of fan is equipped with the battery, just battery and fan electric connection, the outside of battery is equipped with the buckler, buckler and collecting box fixed connection, bottom one side of buckler is equipped with the baffle, just baffle and buckler pass through spring shaft swing joint, the side activity of collecting box is equipped with the door plant.

Preferably, the top of the collecting box, which is far away from one side of the protective cover, is fixedly provided with a supporting rod, the top of the supporting rod is provided with two sliding rods, the two sliding rods are connected with the supporting rod in a sliding manner, connecting rods are arranged at the bottoms between the two sliding rods and are connected with the two sliding rods through the connecting rods, decorative balls are fixedly arranged at the top ends of the sliding rods, a handle is fixedly arranged on one side of the top of each sliding rod, and three operating keys are arranged on the side faces of the handle.

Preferably, the bracing piece sets up to two, two the side of bracing piece all is equipped with the round hole, the round hole sets up to two sets of, and every group the round hole all sets up to four, every group the round hole is the inline distribution about the bracing piece, the bracing piece is equipped with fastening bolt with the junction of slide bar, fastening bolt runs through the round hole to with slide bar threaded connection, two the notch has all been seted up to relative one side of bracing piece, just the both ends of connecting rod are embedded respectively and are set up in two notches.

In the technical scheme, the invention provides the following technical effects and advantages:

1. according to the lawn mower, the height of the protective cover can be adjusted according to the trimming depth of a lawn, when the screw rod rotates clockwise, the connecting piece drives the protective cover to move downwards, when the screw rod rotates anticlockwise, the protective cover moves upwards, after the adjustment is proper, the driving gear and the two driven gears respectively drive the first cutter head and the two second cutter heads to rotate through the shaft rods, the two second cutter heads rotate clockwise, the first cutter head rotates anticlockwise, and compared with the existing lawn mower which is small in cutting area and needs manual adjustment of the mowing depth, the lawn mower can adjust the mowing depth, and is large in cutting area, small in size, good in cutting effect and good in practicability.

2. According to the lawn mower, the fan is used for exhausting air inside the filter bag, negative pressure is generated inside the collecting box, grass scraps cut by the first cutter head and the second cutter head are sucked into the filter bag through the corrugated pipe to be stored, the collecting box moves through the travelling crawler, the leveling roller rotates under the movement of the collecting box to level the cut lawn, after cutting is completed, the door plate is opened, the filter bag can be taken out, the baffle is pulled to open, the storage battery can be charged, and compared with the existing mode of manually cleaning the grass scraps in the later period, the lawn mower can effectively collect the cut grass scraps, and work burden of workers is reduced.

3. The adjustable mower can be adjusted, the sliding rod is moved up and down in the adjusting process, the fastening bolt penetrates through the corresponding round hole and then is screwed in with the thread of the sliding rod after the appropriate height is selected, so that the sliding rod is fixed, a user pushes the collecting box to move through the handle after the appropriate adjustment, and the fan, the first motor and the second motor are respectively controlled to work through the three operation keys.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a longitudinal sectional view of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.

Fig. 3 is a right side view of the present invention.

FIG. 4 is a usage scenario diagram of the present invention.

Figure 5 is a right side elevation of the collection tank of the invention.

Fig. 6 is a transverse cross-sectional view of a cavity of the present invention.

Fig. 7 is a bottom view of the shield of the present invention.

Fig. 8 is a partial structural view of the support rod of the present invention.

Description of reference numerals:

1. a collection box; 11. a fan; 12. a filter bag; 13. pipe passing; 14. a leveling roller; 15. a roll shaft; 16. a groove; 17. a traveling crawler; 18. a waterproof cover; 19. a storage battery; 110. a baffle plate; 111. a door panel; 2. a protective cover; 21. a first motor; 22. a protective housing; 23. a cavity; 24. a driving gear; 25. a driven gear; 26. a shaft lever; 27. a first cutter head; 28. a second cutter head; 29. a blade; 210. a square hole; 3. a support plate; 31. a second motor; 32. a screw rod; 33. a connecting member; 34. a bellows; 4. a support bar; 41. a slide bar; 42. a connecting rod; 43. a decorative ball; 44. a handle; 45. a circular hole; 46. fastening a bolt; 47. a notch.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides a small lawn mower for greening engineering, which comprises a collecting box 1, wherein a protective cover 2 is arranged on the side surface of the collecting box 1, a first motor 21 is fixedly arranged at the center of the top of the protective cover 2, a cavity 23 is arranged on the inner side of the top of the protective cover 2, a driving gear 24 is arranged at the center of the inner part of the cavity 23, the driving gear 24 is in transmission connection with the first motor 21 through a rotating shaft, driven gears 25 are arranged on two sides of the driving gear 24, the driven gears 25 are meshed with the driving gear 24, shaft rods 26 are fixedly arranged at the bottoms of the driven gears 25 and the driving gear 24, a first cutter head 27 is arranged at the bottom of the driving gear 24, a second cutter head 28 is arranged at the bottom of the driven gear 25, and the first cutter head 27 is connected with the driving gear 24 through the shaft rods 26, the second cutter head 28 is connected with the driven gear 25 through a shaft rod 26, blades 29 are fixedly arranged on the outer sides of the first cutter head 27 and the second cutter head 28, and a square hole 210 is formed in one side, close to the collecting box 1, of the protective cover 2;

a support plate 3 is fixedly arranged on one side of the collection box 1 close to the protective cover 2, a second motor 31 is fixedly arranged on the top of the support plate 3, a lead screw 32 is arranged at the bottom of the second motor 31, the lead screw 32 is in transmission connection with the second motor 31 through a rotating shaft, a connecting piece 33 is fixedly arranged on one side of the protective cover 2 close to the lead screw 32, the connecting piece 33 is in threaded connection with the lead screw 32, a corrugated pipe 34 is arranged at the center of one side of the protective cover 2 close to the collection box 1, and the protective cover 2 is in conduction connection with the collection box 1 through the corrugated pipe 34;

further, in the above technical solution, a protective casing 22 is arranged on the outer side of the top of the first motor 21, the first motor 21 is embedded in the protective casing 22, and the protective casing 22 is fixedly connected with the protective cover 2 through a screw;

further, in the above technical solution, two driven gears 25 are provided, and the two driven gears 25 are distributed in central symmetry with respect to the driving gear 24, and the driving gear 24 and the two driven gears 25 are embedded in the cavity 23;

further, in the above technical solution, three shaft rods 26 are provided, and three shaft rods 26 are linearly arranged with respect to the protective cover 2, three sets of blades 29 are provided, and each set of blades 29 is provided with three sets, wherein one set of blades 29 is centrosymmetrically distributed with respect to the first cutter head 27, and the other two sets of blades 29 are centrosymmetrically distributed with respect to the two second cutter heads 28;

further, in the above technical solution, four support plates 3 are provided, two lead screws 32 are provided, one lead screw 32 is located between two support plates 3, and the lead screw 32 is movably connected with the support plates 3 through a bearing;

further, in the above technical solution, the cross section of the corrugated pipe 34 is square, two ends of the corrugated pipe 34 are respectively fixedly connected with the protective cover 2 and the collecting box 1 through screws, and one end of the corrugated pipe 34 corresponds to the square hole 210;