CN109479628B

CN109479628B - Dead leaf collection device

Info

Publication number: CN109479628B
Application number: CN201811285476.9A
Authority: CN
Inventors: 兰昊宇
Original assignee: Lan Haoyu
Current assignee: Lan Haoyu
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2020-12-22
Anticipated expiration: 2038-10-31
Also published as: CN109479628A

Abstract

The invention discloses a dead leaf collecting device, which comprises a trolley, wherein the trolley comprises a carriage and wheels, the front end of the carriage is rotatably provided with a collecting claw, the front end of the carriage is rotatably provided with a first rotating shaft through a bearing, the collecting claw is fixedly arranged on the first rotating shaft through a first connecting rod and a second connecting rod, the front end of the collecting claw is low, the rear end of the collecting claw is high, the first connecting rod and the second connecting rod are fixedly arranged at the rear side of a connecting plate, the end part of the first connecting rod is arranged in the carriage, and the end part of the collecting basket is fixedly provided with a circular arc guide rod, a semicircular guide rail is arranged on the circular arc guide rod, the wheel is fixedly arranged on a second rotating shaft, a second gear is fixedly arranged on the second rotating shaft, the second gear is connected with a first gear through a transmission mechanism, the first gear is coaxially provided with a swing rod, the roller is arranged in the guide rail of the circular arc guide rod in a sliding manner, the front end of the carriage is also provided with a collecting basket, and the collecting basket is arranged below the collecting claw. Saves energy, improves the efficiency of collecting dead leaves on the lawn and improves the environment.

Description

Dead leaf collection device

Technical Field

The invention relates to the technical field of energy conservation and environmental protection, in particular to a dead leaf collecting device.

Background

With the development of science and technology and the progress of times, carbon dioxide and greenhouse effect become the words of the world environment protection organization and the words of various countries hanging at the mouth, under the large background of environment protection, a large amount of green plants begin to be planted, but the dry leaves in autumn and winter become the difficult problem of sanitation workers. Collection of dead leaves is essential, and on the one hand, scattering of dead leaves causes environmental disturbance, and on the other hand, the collected dead leaves can be reused as fuel, fertilizer, and the like.

For the dead leaves scattered on the road, the road cleaning vehicle can collect and process the leaves, a green belt is generally arranged below the trees, the collection of the leaves scattered on the small grass becomes the difficult problem of environmental cleaning, in the prior art, the dead leaves on the green belt are generally cleaned in a way of manually picking up by sanitation workers, the efficiency is low, the dead leaves are sucked by a small dust suction vehicle through negative pressure, the equipment wastes electric power, the weight is large, and the lawn damage is caused by walking on the lawn.

Disclosure of Invention

Aiming at the problems, the invention provides the dead leaf collecting device, so that the energy is saved, the efficiency of collecting dead leaves on the lawn is improved, and the environment is improved.

The technical scheme for solving the technical problem of the invention is as follows:

a dead leaf collecting device comprises a trolley, the trolley comprises a carriage and wheels, a collecting claw is rotatably arranged at the front end of the carriage, a first rotating shaft is rotatably arranged at the front end of the carriage through a bearing, the collecting claw is fixedly arranged on the first rotating shaft through a first connecting rod and a second connecting rod, the front end of the collecting claw is low, the rear end of the collecting claw is high, the collecting claw comprises a plurality of parallel-arranged tooth claw units and a connecting plate connected with the tooth claw units, the first connecting rod and the second connecting rod are fixedly arranged on the connecting plate, the tooth claw units are bent rods with low front ends and high rear ends, the front end part of each tooth claw unit is a horizontally arranged rod, the rear end of each tooth claw unit is arranged on the connecting plate, the first connecting rod and the second connecting rod are fixedly arranged on the rear side of the connecting plate, the end part of the first connecting rod is arranged in the carriage, and an arc-shaped guide rod is fixedly arranged at the end part, the excircle of the arc-shaped guide rod is vertical to the first connecting rod, a semicircular guide rail is arranged on the arc-shaped guide rod, the wheels are fixedly arranged on a second rotating shaft which is rotatably arranged on the carriage through a bearing, a second gear is fixedly arranged on the second rotating shaft and is connected with the first gear through a transmission mechanism, the first gear is rotatably arranged in the carriage through a third rotating shaft, the first gear is coaxially provided with a swing rod, the free end of the swing rod is provided with a roller which is arranged in the guide rail of the arc-shaped guide rod in a sliding way, the length of the swing rod is equal to the radius of the arc-shaped guide rod, the distance from the first rotating shaft to the circle center of the arc-shaped guide rod is equal to the distance from the first rotating shaft to the axle center of the third rotating shaft, the front end of the carriage is also provided with a collecting basket which is arranged below the collecting claw.

Furthermore, the tooth claw unit is arranged on the connecting plate through a bolt, and a plurality of threaded holes are formed in the connecting plate.

Further, transmission structure includes the third gear, the third gear passes through the fourth pivot and rotates and set up in the carriage, the third gear passes through the chain with the second gear and is connected, the coaxial fourth gear that is provided with of third gear, the fourth gear sets up in the fourth pivot, the fourth gear meshes with first gear, the diameter of third gear is greater than the diameter of second gear.

Further, the diameter of the fourth gear is three times of the diameter of the first gear, the fourth gear and the first gear form an incomplete gear mechanism, the fourth gear is an incomplete gear, and the number of teeth on the fourth gear is the same as that of the teeth on the first gear.

Further, the link plate is in contact with the upper end of the collecting basket when the front end portion of the claw unit is horizontally disposed.

Furthermore, the front end of the carriage is provided with a hook, the collecting basket is provided with a hanging buckle, and the hanging buckle is arranged on the hook.

Further, the rear end of the carriage is provided with a handle.

Furthermore, an opening for the first connecting rod to swing is formed in the carriage.

The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:

1. the lawn mower pushes the trolley to walk on the lawn, the wheels of the trolley provide power to operate, other energy sources are not used, the lawn mower has the advantage of energy conservation, energy source equipment such as a battery and the like is not required to be driven, the structure is simple, the weight is light, and the damage to the lawn is avoided; the equipment is used for collecting the dead leaves on the lawn, so that the environment is protected, and the dead leaves can be collected and reused; through collecting the claw front end low, the rear end is high, it includes a plurality of parallel arrangement's tooth claw unit to collect the claw, the front end of tooth claw unit enters into the height of pressing close to ground downwards, and the rear end of tooth claw unit is higher than the grass on lawn, through driving tooth claw unit parallel translation, the dead leaf that will fall on the grass is collected on collecting the claw, provide power through the wheel, through the second gear, drive mechanism, the transmission of first gear drives first gear revolve, thereby drive the pendulum rod and rotate, the pendulum rod is through the swing of the first connecting rod of convex guide arm drive, thereby make and collect claw up swing, collect in the collection basket of dead leaf landing entering collection claw below on collecting the claw, accomplish the collection of dead leaf. The free end of the oscillating bar slides in the arc-shaped guide rod, when the sliding track of the free end of the oscillating bar is overlapped with the arc-shaped profile of the guide rail of the arc-shaped guide rod, the first connecting rod is fixed, so that the collecting claw is stopped below for a long time and is in a collecting state for collection, the first connecting rod is swung in a short time in a non-overlapping state, and the swinging of the collecting claw is realized to finish the tilting action of dead leaves.

2. According to the invention, the tooth claw units are arranged on the connecting plate through the bolts, and the connecting plate is provided with the threaded holes, so that the size of the gap between the tooth claw units can be self-adjusted according to the density of grass in the lawn and the size of leaves, namely, the density of the tooth claw units can be adjusted.

3. According to the invention, through the design that the diameter of the third gear is larger than that of the second gear, the wheel rotates for a plurality of circles and then the collecting claw completes a dumping action, so that the collecting claw is in a collecting state for a longer time.

4. According to the invention, the diameter of the fourth gear is three times of that of the first gear, the fourth gear is an incomplete gear, the number of teeth on the fourth gear is the same as that of the teeth on the first gear, namely when no tooth of the fourth gear is meshed with the first gear, the collecting claw stops below and is in a collecting state, and when the tooth of the fourth gear rotates to be meshed with the first gear, the first gear is driven to rotate, so that the collecting claw completes dumping work, thus the time ratio of the collecting claw in the collecting state to the dumping state is increased, the collecting claw is in the collecting state for a long time, and the collecting effect is optimized.

5. According to the invention, when the front end part of the claw unit is horizontally arranged, the connecting plate is contacted with the upper end of the collecting basket, namely when the collecting claw swings to the lowest end, the connecting plate is contacted with the collecting basket, so that the phenomenon that when the fourth gear has no teeth and is meshed with the first gear, the claw swings downwards under the action of gravity to cause the lowest end of the claw to fall into the ground is effectively avoided, and the smooth operation is ensured.

6. According to the invention, the hook is arranged at the front end of the carriage, the hanging buckle is arranged on the collecting basket, the collecting basket is mounted in a mode that the hanging buckle is hung on the hook, the collecting basket is convenient to dismount, and leaves in the collecting basket are processed in the next step.

7. According to the invention, the handle is arranged at the rear end of the carriage, so that a user can push the trolley conveniently.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic perspective view of the interior of the vehicle compartment in the state of FIG. 1;

FIG. 3 is a schematic perspective view of the interior of the vehicle compartment taken in the state of FIG. 1;

FIG. 4 is a schematic structural view in vertical section in the state of FIG. 1;

FIG. 5 is a schematic view of the present invention in vertical section in a tilted state;

FIG. 6 is a plan view of the fourth gear;

FIG. 7 is a schematic view of the connection structure of the collecting basket and the carriage;

in the figure, a trolley 1, a carriage 11, wheels 12, a handle 13, a collecting claw 2, a claw unit 201, a connecting plate 202, a first rotating shaft 21, a first connecting rod 22, a circular arc guide rod 23, a second rotating shaft 24, a first gear 25, a third rotating shaft 251, a swing rod 26, a second gear 28, a collecting basket 3, a hook 31, a hanging buckle 32, a third gear 41, a fourth rotating shaft 42, a chain 43 and a fourth gear 44.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention will be explained in detail by the following embodiments with reference to the attached drawings 1 to 7. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.

As shown in fig. 1 to 3, a dead leaf collecting device comprises a trolley 1, the trolley 1 comprises a carriage 11 and wheels 12, the front end of the carriage 11 is rotatably provided with a collecting claw 2, the front end of the carriage 11 is rotatably provided with a first rotating shaft 21 through a bearing, the collecting claw 2 is fixedly arranged on the first rotating shaft 21 through a first connecting rod 22 and a second connecting rod 221, the front end of the collecting claw 2 is low, the rear end of the collecting claw 2 is high, the collecting claw 2 comprises a plurality of parallel-arranged tooth claw units 201 and a connecting plate 202 connected with the tooth claw units 201, the first connecting rod 22 and the second connecting rod 221 are fixedly arranged on the connecting plate 202, the tooth claw units 201 are bent rods with low front ends and high rear ends, the front end parts of the tooth claw units 201 are horizontally arranged rods, the rear ends of the tooth claw units 201 are arranged on the connecting plate 202, the front ends of the tooth claw units downwardly enter the height of the lower ends of small grasses close to the ground, the rear end of the claw unit is higher than the grass on the lawn, the grass on the lawn is distributed in rows, the claw unit is driven to move in parallel in the gap of each row of grass, dead leaves falling on the grass are collected on the collecting claw, the first connecting rod 22 and the second connecting rod 221 are fixedly arranged on the rear side of the connecting plate 202, the end part of the first connecting rod 22 is arranged in the carriage 11, the carriage 11 is provided with an opening for the first connecting rod 22 to swing, the end part of the carriage is fixedly provided with a circular arc-shaped guide rod 23, the outer circle of the circular arc-shaped guide rod 23 is vertical to the first connecting rod 22, namely the first connecting rod 22 points to the circle center of the circular arc-shaped guide rod, the first connecting rod 22 is arranged at one end of the circular arc-shaped guide rod, the circular arc-shaped guide rod 23 is provided with a semicircular guide rail, the wheel 12 is fixedly arranged on the second rotating shaft 24, the second rotating shaft 24 is rotatably arranged on the carriage 11 through a bearing, the second gear 28 is connected with the first gear 25 through a transmission mechanism, the first gear 25 is rotatably arranged in the carriage 11 through a third rotating shaft 251, a bracket is arranged in the carriage, the third rotating shaft is rotatably arranged on the bracket through a bearing, the first gear 25 is coaxially provided with a swing rod 26, the swing rod 26 is fixedly arranged on the third rotating shaft, a roller, namely a roller wheel, is arranged at the free end of the swing rod 26, the roller is slidably arranged in a guide rail of the arc-shaped guide rod 23, the length of the swing rod 26 is equal to the radius of the arc-shaped guide rod 23, the distance from the first rotating shaft 21 to the center of the arc-shaped guide rod 23 is equal to the distance from the first rotating shaft 21 to the axis of the third rotating shaft, the free end of the swing rod 251 slides in the arc-shaped guide rod, as shown in fig. 4, when the sliding track of the free end of the swing, the first connecting rod is fixed, so that the collecting claw is parked below for a long time and is collected in a collecting state, as shown in fig. 5, and the first connecting rod is swung in a short time in a non-overlapped state, so that the collecting claw is swung to complete the falling action of the dead leaves. The front end of carriage 11 still be equipped with and collect basket 3, collect basket 3 and set up in the below of collecting claw 2, provide power through the wheel, drive first gear through the transmission of second gear, drive mechanism, first gear and rotate to drive the pendulum rod and rotate, the pendulum rod drives first connecting rod swing through convex guide arm, thereby makes and collects claw up-swing, collects in the collection basket that the dead leaf landing on collecting the claw got into and collects the claw below, accomplishes the collection of dead leaf. The lawn mower pushes the trolley to walk on the lawn, the wheels of the trolley provide power to operate, other energy sources are not used, the lawn mower has the advantage of energy conservation, energy source equipment such as a battery and the like is not required to be driven, the structure is simple, the weight is light, and the damage to the lawn is avoided.

Further, the tooth claw unit 201 is arranged on the connecting plate 202 through a bolt, a plurality of threaded holes are formed in the connecting plate 202, the size of the gap between the tooth claw units can be adjusted according to the density of grass in the lawn and the size of leaves, and the density of the tooth claw units can be adjusted.

Further, the transmission structure includes a third gear 41, the third gear 41 is rotatably disposed in the compartment 11 through a fourth rotating shaft 42, a rotating shaft support is disposed in the compartment, the fourth rotating shaft is rotatably disposed on the rotating shaft support through a bearing, the third gear 41 is connected with the second gear 28 through a chain 43, the third gear 41 is coaxially disposed with a fourth gear 44, the fourth gear 44 is fixedly disposed on the fourth rotating shaft 42, the fourth gear 44 is engaged with the first gear 25, and the diameter of the third gear 41 is greater than that of the second gear 28. According to the invention, through the design that the diameter of the third gear is larger than that of the second gear, the wheel rotates for a plurality of circles and then the collecting claw completes a dumping action, so that the collecting claw is in a collecting state for a longer time.

As shown in fig. 6, the diameter of the fourth gear 44 is three times the diameter of the first gear 25, the fourth gear 44 and the first gear 25 constitute an incomplete gear mechanism, the fourth gear 44 is an incomplete gear, and the number of teeth on the fourth gear 44 is the same as the number of teeth on the first gear 25. According to the invention, the diameter of the fourth gear is three times of that of the first gear, the fourth gear is an incomplete gear, the number of teeth on the fourth gear is the same as that of the teeth on the first gear, namely when no tooth of the fourth gear is meshed with the first gear, the collecting claw stops below and is in a collecting state, and when the tooth of the fourth gear rotates to be meshed with the first gear, the first gear is driven to rotate, so that the collecting claw completes dumping work, thus the time ratio of the collecting claw in the collecting state to the dumping state is increased, the collecting claw is in the collecting state for a long time, and the collecting effect is optimized.

Further, when the front end part of the claw unit 201 is horizontally arranged, the connecting plate 202 is in contact with the upper end of the collecting basket 3, namely, when the collecting claw swings to the lowest end, the connecting plate is in contact with the collecting basket, the collecting claw is limited by the collecting basket, the situation that when the fourth gear is not meshed with the first gear, the claw swings downwards under the action of gravity to enable the lowest end of the claw to fall into the ground is effectively avoided, and smooth operation is guaranteed.

As shown in fig. 7, a hook 31 is provided at the front end of the carriage 11, a hanging buckle 32 is provided on the collecting basket 3, and the hanging buckle 32 is provided on the hook 31. According to the invention, the hook is arranged at the front end of the carriage, the hanging buckle is arranged on the collecting basket, the collecting basket is mounted in a mode that the hanging buckle is hung on the hook, the collecting basket is convenient to dismount, and leaves in the collecting basket are processed in the next step.

Further, a handle 13 is provided at the rear end of the vehicle compartment 11. According to the invention, the handle is arranged at the rear end of the carriage, so that a user can push the trolley conveniently.

The invention saves energy, improves the efficiency of collecting dead leaves on the lawn, improves the environment, and collects the dead leaves on the lawn by the equipment, thereby not only protecting the environment, but also collecting and recycling the dead leaves.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.

Claims

1. The dead leaf collecting device is characterized by comprising a trolley (1), wherein the trolley (1) comprises a carriage (11) and wheels (12), a collecting claw (2) is arranged at the front end of the carriage (11) in a rotating mode, a first rotating shaft (21) is arranged at the front end of the carriage (11) in a rotating mode through a bearing, the collecting claw (2) is fixedly arranged on the first rotating shaft (21) through a first connecting rod (22) and a second connecting rod (221), the front end of the collecting claw (2) is low, the rear end of the collecting claw (2) is high, the collecting claw (2) comprises a plurality of parallel-arranged tooth claw units (201) and a connecting plate (202) connected with the tooth claw units (201), the first connecting rod (22) and the second connecting rod are fixedly arranged on the connecting plate (202), the tooth claw units (201) are bent rods with low front ends and high rear ends, and the front end portions of the tooth claw units (201) are horizontally arranged rods, the rear end of the claw unit (201) is arranged on the connecting plate (202), the first connecting rod (22) and the second connecting rod are fixedly arranged on the rear side of the connecting plate (202), the end part of the first connecting rod (22) is arranged in the carriage (11), the end part of the first connecting rod is fixedly provided with a circular arc guide rod (23), the excircle of the circular arc guide rod (23) is perpendicular to the first connecting rod (22), the circular arc guide rod (23) is provided with a semicircular guide rail, the wheel (12) is fixedly arranged on the second rotating shaft (24), the second rotating shaft (24) is rotatably arranged on the carriage (11) through a bearing, the second rotating shaft (24) is fixedly provided with a second gear (28), the second gear (28) is connected with the first gear (25) through a transmission mechanism, the first gear (25) is rotatably arranged in the carriage (11) through a third rotating shaft (251), and the first gear (25) is coaxially provided with a swing rod (26), a roller is arranged at the free end of the swing rod (26), the roller is arranged in a guide rail of the arc-shaped guide rod (23) in a sliding mode, the length of the swing rod (26) is equal to the radius of the arc-shaped guide rod (23), the distance from the first rotating shaft (21) to the circle center of the arc-shaped guide rod (23) is equal to the distance from the first rotating shaft (21) to the axle center of the third rotating shaft (251), a collecting basket (3) is further arranged at the front end of the carriage (11), and the collecting basket (3) is arranged below the collecting claw (2);

the transmission structure comprises a third gear (41), the third gear (41) is rotatably arranged in a carriage (11) through a fourth rotating shaft (42), the third gear (41) is connected with a second gear (28) through a chain (43), the third gear (41) is coaxially provided with a fourth gear (44), the fourth gear (44) is arranged on the fourth rotating shaft (42), the fourth gear (44) is meshed with the first gear (25), and the diameter of the third gear (41) is larger than that of the second gear (28);

the diameter of the fourth gear (44) is three times of the diameter of the first gear (25), the fourth gear (44) and the first gear (25) form an incomplete gear mechanism, the fourth gear (44) is an incomplete gear, and the number of teeth on the fourth gear (44) is the same as that of the first gear (25).

2. A dead leaf collecting device according to claim 1, wherein said claw unit (201) is provided on said connecting plate (202) by means of bolts, and said connecting plate (202) is provided with a plurality of screw holes.

3. A dead leaf collecting apparatus as claimed in claim 1, wherein the link plate (202) is in contact with the upper end of the collecting basket (3) when the front end portion of the claw unit (201) is horizontally disposed.

4. A dead leaf collecting device as claimed in claim 1, wherein a hook (31) is provided at the front end of the carriage (11), a hanging buckle (32) is provided on the collecting basket (3), and the hanging buckle (32) is provided on the hook (31).

5. A withered leaf collecting device according to claim 1, wherein a handle (13) is provided at the rear end of the carriage (11).

6. A withered leaf collecting apparatus according to claim 1, wherein the carriage (11) is provided with an opening through which the first link (22) is swung.