CN113455190A - Hand-operated pressurized air cannon picking device for picking fruits and using method thereof - Google Patents

Hand-operated pressurized air cannon picking device for picking fruits and using method thereof Download PDF

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Publication number
CN113455190A
CN113455190A CN202110900159.9A CN202110900159A CN113455190A CN 113455190 A CN113455190 A CN 113455190A CN 202110900159 A CN202110900159 A CN 202110900159A CN 113455190 A CN113455190 A CN 113455190A
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CN
China
Prior art keywords
air
pressure
storage tank
chamber
piston
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CN202110900159.9A
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Chinese (zh)
Inventor
张辉
甄久军
陈涛
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Nanjing Vocational University of Industry Technology NUIT
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Nanjing Vocational University of Industry Technology NUIT
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Priority to CN202110900159.9A priority Critical patent/CN113455190A/en
Publication of CN113455190A publication Critical patent/CN113455190A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D46/00Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs
    • A01D46/005Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs picking or shaking pneumatically

Abstract

The invention discloses a hand-operated pressurized air cannon picking device for picking fruits and a using method thereof, the hand-operated pressurized air cannon picking device for picking fruits comprises a pressure air storage tank, an inflation component, a piston rod reciprocating push-pull driving component, a valve control mechanism and an airflow guide pipe. The invention does not depend on electric power or fuel power, gets rid of the dependence of fruit tree mountain forest fields on electric power, and enlarges the application range.

Description

Hand-operated pressurized air cannon picking device for picking fruits and using method thereof
Technical Field
The invention relates to the technical field of picking equipment, in particular to a hand-operated pressurized air cannon picking device for picking fruits and a using method thereof.
Background
The fruits of the arbor cash crops with thorns such as pepper, red dates, sea buckthorn fruits and the like are generally small and are hidden in the prickers in a gathering and clustering manner, and moreover, the picking difficulty is large due to the fact that the fruit trees are generally large. In addition, the picking period is very short due to the fact that the fruit ripening periods are consistent, picking is achieved mainly by manpower at present, labor intensity is high, efficiency is low, expansion of planting areas of farmers is severely limited, and increase of income of farmers is restricted.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
Therefore, the invention aims to provide a hand-operated pressurized air cannon picking device for picking fruits and a using method thereof, which do not depend on electric power or fuel oil power, only need to release strong high-pressure airflow to jet and fall off the fruits after manual pressurization, and can greatly improve picking efficiency.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a hand-operated pressurized air cannon picking device for picking fruits comprises:
a pressure gas storage tank;
the inflation assembly comprises an inflation cylinder body, a piston and a piston rod, wherein the air outlet end of the inflation cylinder body is communicated with the inside of the pressure air storage tank;
the piston rod pushes and pulls the driving assembly in a reciprocating way, drives the piston to do linear reciprocating motion along the inner wall of the inflating cylinder body and inflates air into the pressure air storage tank;
a valve control mechanism having an air inlet in communication with the air outlet of the pressurized air reservoir configured to: when the pressure gas storage tank is full of gas, the gas outlet of the pressure gas storage tank is automatically closed, and when the pressure gas storage tank is exhausted, the gas in the pressure gas storage tank is released at high pressure;
and the air inlet end of the airflow guide pipe is communicated with the air outlet of the valve control mechanism.
As a preferable scheme of the hand-operated pressurized air cannon picking device for picking fruits, the hand-operated pressurized air cannon picking device comprises a piston rod reciprocating push-pull driving assembly and a piston rod reciprocating push-pull driving assembly, wherein the piston rod reciprocating push-pull driving assembly comprises:
one end of the supporting shaft is connected with the outer side wall of the pressure air storage tank;
the rotating wheel is sleeved on the outer wall of the supporting shaft;
the rocking handle is arranged on the outer wall of the rotating wheel;
and one end of the connecting rod is hinged with the rocking handle, and the other end of the connecting rod is hinged with the free end of the piston rod.
As a preferable scheme of the hand-operated pressurized air cannon picking device for picking fruits, the air flow guide pipe is a corrugated pipe.
As a preferable scheme of the hand-operated pressurized air cannon picking device for picking fruits, the hand-operated pressurized air cannon picking device further comprises a movable vehicle frame symmetrically arranged at the bottom of the valve control mechanism, and the movable vehicle frame comprises:
the transverse supporting rod is positioned at the bottom of the valve control mechanism;
the clamping fixture is arranged at the top of the transverse supporting rod, and a clamping groove clamped with the valve control mechanism is formed in the top of the clamping fixture;
and the longitudinal support legs are symmetrically arranged at the end parts of the transverse support rods, and universal wheels are arranged at the bottom ends of the longitudinal support legs.
As a preferable scheme of the hand-operated pressurized air cannon picking device for picking fruits, a first air guide column is arranged at the top of the piston, a first air guide chamber with a top and a bottom communicated is arranged in the first air guide column, a first floating ball body is placed in the first air guide chamber, and a first floating ball seat is arranged at the bottom in the first air guide chamber, wherein when the first floating ball body is attached to the top of the first air guide chamber, the top opening of the first air guide column is blocked by the first floating ball body, and when the first floating ball body is located on the first floating ball seat, the top and the bottom of the first air guide chamber are communicated;
the exhaust end of the inflating cylinder body is provided with a second air guide column, the bottom end of the second air guide column is provided with an air guide tube communicated with the inside of the pressure air storage tank, a second air guide cavity with the top and the bottom communicated with each other is arranged inside the second air guide column, a second floater body is arranged in the second air guide cavity, and a second floater seat is arranged at the bottom of the inside of the second air guide cavity.
As a preferable aspect of the hand-operated pressurized air cannon picking apparatus for picking fruits according to the present invention, the valve control mechanism includes:
the cylindrical cylinder body is perpendicular to the pressure gas storage tank, the top of the cylindrical cylinder body is communicated with a gas outlet of the pressure gas storage tank, and the left side of the cylindrical cylinder body is open;
the inner piston cylinder can slide left and right along the inner wall of the cylindrical cylinder body, an air vent chamber with an opening at the left end is arranged in the inner piston cylinder, an air inlet communicated with the air vent chamber is arranged at the position, close to the right side, of the top of the inner piston cylinder, and the right end of the inner piston cylinder and the inner part of the cylindrical cylinder body are surrounded to form an air chamber;
one end of the air pipe is communicated with the inside of the pressure air storage tank, the other end of the air pipe is communicated with the air chamber, and a manual regulating valve for communicating and shutting off the pressure air storage tank and the air chamber is arranged on the air pipe;
and the air inlet end of the ball valve is connected with the opening part at the left end of the cylindrical cylinder body, and the air outlet end of the ball valve is communicated with the air inlet end of the airflow guide pipe.
As a preferable scheme of the hand-operated pressurized air cannon picking device for picking fruits, the air cannon picking device is characterized in that an air pressure gauge extending into the pressure air storage tank is further arranged on the outer wall of the pressure air storage tank.
A use method of a hand-operated pressurized air cannon picking device for picking fruits comprises the following steps:
s1, pre-pressing operation
Firstly, rotating a manual regulating valve to a direction vertical to an air pipe to disconnect a pressure air storage tank and an air chamber and connect the air chamber with the outside, and simultaneously closing a ball valve to disconnect an air flow guide pipe from a valve control mechanism, wherein an air inlet of an inner piston cylinder is in butt joint with an air outlet of the pressure air storage tank;
s2, inflating the pressure air storage tank
The piston rod is driven by the piston rod reciprocating push-pull driving assembly to drive the piston rod to reciprocate linearly in the inflator cylinder body, so that the piston continuously inflates and compresses gas entering the inflator cylinder body into the pressure gas storage tank, the gas is continuously inflated in the pressure gas storage tank, when the air pressure in the pressure gas storage tank is higher than the external air pressure, the gas in the pressure gas storage tank enters the ventilation cavity through the air inlet, and under the action of the air pressure, the gas entering the ventilation cavity pushes the inner piston cylinder to move rightwards in the cylindrical cylinder body until the inner piston cylinder seals the air outlet of the pressure gas storage tank;
s3, air cannon release
The pneumatic picking device is characterized in that an air flow guide pipe is aligned to fruits to be picked, a ball valve is opened, a ventilation cavity chamber of an inner piston cylinder is communicated with the air flow guide pipe, then a manual regulating valve is rotated to the direction parallel to an air pipe, a pressure air storage tank is communicated with the air chamber, the air chamber is disconnected with the outside, at the moment, air in the pressure air storage tank enters the air chamber, the air in the air chamber pushes the inner piston cylinder to move leftwards in a cylindrical cylinder body under the action of air pressure, when the inner piston cylinder moves to an air inlet and is in butt joint with an air outlet of the pressure air storage tank, the pressure air storage tank is communicated with the air flow guide pipe through the ventilation cavity chamber, at the moment, the air in the pressure air storage tank is released all instantaneously, and powerful air flow forms an air cannon which blows off the fruits to be picked through the air flow guide pipe.
The invention relates to a using method of a hand-operated pressurized air cannon picking device for picking fruits, which comprises the following steps: in step S2, the specific operation of driving the piston rod to drive the piston to reciprocate linearly in the inflator by the piston rod reciprocating push-pull driving assembly is as follows:
the rocking handle is held by hand to rock, so that the rotating wheel rotates relative to the axis of the supporting shaft, the rotating wheel drives the connecting rod to do plane motion in a vertical plane, and the connecting rod drives the driving piston rod to drive the piston to do reciprocating linear motion in the inflator pump body.
As a preferred scheme of the use method of the hand-operated pressurized air cannon picking device for picking fruits, the hand-operated pressurized air cannon picking device for picking fruits is characterized in that in step S2, when the piston is compressed downwards in the inflation cylinder body, at the moment, due to the effect of the air pressure of the inflation cylinder body, the first floating ball body is pushed by the air pressure to suspend upwards to be attached to the top of the first air guide chamber, the top opening of the first air guide column is blocked by the first floating ball body, meanwhile, the second floating ball body is pushed by the self gravity and the air pressure to sit on the second floating ball seat, so that the inner part of the inflation cylinder body is communicated with the inner part of the pressure air storage tank through the second air guide column and the air guide pipe, and the air in the inflation cylinder body enters the pressure air storage tank under the pushing compression of the piston;
when the piston moves back upwards in the inflator pump body, due to the action of negative pressure in the inflator pump body, the second floating ball body moves upwards to be attached to the top of the second air guide chamber, the top opening of the second air guide column is blocked, and meanwhile, the first floating ball body moves downwards to be located on the first floating ball seat, so that the top and the bottom of the first air guide chamber are communicated, and external air enters the inflator pump body through the first air guide chamber.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the piston rod reciprocating push-pull driving assembly drives the inflating assembly to pressurize and inflate the pressure air storage tank, and then directional high-pressure gas is instantly released by virtue of the valve control mechanism to form high-energy air jet flow to carry out non-contact impact on the branches and the fruits of the trees to enable the branches and the fruits to fall off, so that the collecting fence pre-arranged below the fruit trees realizes the capacity of collecting the fallen fruits, the fruits of spine trees such as Chinese prickly ash, red dates and sea buckthorn fruits can be efficiently picked, the picking efficiency is improved, and the labor cost is reduced. The invention does not depend on electric power or fuel power, gets rid of the dependence of fruit tree mountain forest fields on electric power, and enlarges the application range.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a schematic diagram of the overall structure of a hand-operated pressurized air cannon picking device for picking fruits according to the present invention;
FIG. 2 is a sectional view of the whole structure of a hand-operated pressurized air cannon picking device for picking fruits according to the present invention;
FIG. 3 is a cross-sectional view of the air charging assembly of a hand-operated pressurized air cannon picking apparatus for fruit picking according to the present invention;
FIG. 4 is an enlarged view of part A of a hand-operated pressurized air cannon picking apparatus for picking fruits in accordance with the present invention;
FIG. 5 is an enlarged view of part B of the hand-operated pressurized air cannon picking apparatus for picking fruits according to the present invention;
FIG. 6 is an enlarged view of the C part of the hand-operated pressurized air cannon picking device for picking fruits according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a hand-operated pressurized air cannon picking device for picking fruits and a using method thereof, which do not rely on electric power or fuel oil power, only need to release strong high-pressure airflow to spray the fruits to fall off after being manually pressurized, and can greatly improve the picking efficiency.
Fig. 1 to 6 are schematic structural views illustrating an embodiment of a hand-operated pressurized air cannon picking apparatus for picking fruit according to the present invention, and referring to fig. 1 to 6, the hand-operated pressurized air cannon picking apparatus for picking fruit according to the present embodiment includes a main body including a pressurized air tank 100, an air charging assembly 200, a piston rod reciprocating push-pull driving assembly 300, a valve control mechanism 400, and an airflow guide tube 500.
The pressure tank 100 is used to store high-pressure gas, and in this embodiment, preferably, a gas pressure gauge extending into the pressure tank 100 is further provided on an outer wall of the pressure tank 100, so that the gas pressure inside the pressure tank 100 can be monitored.
The inflation assembly 200 is used for inflating the pressure air storage tank 100, and specifically, the inflation assembly 200 includes an inflator body 210 with an air outlet end communicated with the interior of the pressure air storage tank 100, a piston 220 connected with the inner wall of the inflator body 210, and a piston rod 230 vertically arranged with the piston 220, the top of the piston 220 is provided with a first air guide column 220a, the first air guide column 220a is internally provided with a first air guide chamber 220b with a top portion and a bottom portion communicated with each other, a first floating ball body 230 is placed in the first air guide chamber 220b, the bottom of the first air guide chamber 220b is provided with a first floating ball seat 240, wherein when the first floating ball body 230 is attached to the top of the first air guide chamber 230, the first floating ball body 230 blocks the top opening of the first air guide column 220a, when the first floating ball body 230 is seated on the first floating ball seat 240, the top portion and the bottom portion of the first air guide chamber 220b are communicated, the air exhaust end of the inflation cylinder 210 is provided with a second air guide column 250, the bottom end of the second air guide column 250 is provided with an air guide tube 280 communicated with the inside of the pressure air storage tank 100, the inside of the second air guide column 250 is provided with a second air guide chamber 250a with the top and the bottom communicated with each other, a second floater 260 is arranged in the second air guide chamber 250a, and a second floater seat 270 is arranged at the bottom inside the second air guide chamber 250a, wherein when the second floater 260 is attached to the top of the second air guide chamber 250a, the second floater 230 seals and blocks the top opening of the second air guide column 250, and when the second floater 260 is located on the second floater seat 270 of the floater seat, the top and the bottom of the second air guide chamber 250a are communicated with each other. When the inflator is used specifically, when the piston 220 is compressed downward in the inflator 210, due to the air pressure of the inflator 210, the first floating ball 230 is pushed by the air pressure to suspend upward and attach to the top of the first air guide chamber 230, the first floating ball 230 closes the top opening of the first air guide column 220a, and the second floating ball 260 is pushed by the self gravity and the air pressure to sit on the second floating ball seat 270, so that the interior of the inflator 210 is communicated with the interior of the pressure air storage tank 100 through the second air guide column 250 and the air guide tube 280, the air in the inflator 210 enters the pressure air storage tank 100 under the pushing and compressing of the piston, when the piston 220 retracts upward in the inflator 210, due to the negative pressure in the inflator 210, the second floating ball 260 moves upward and attaches to the top of the second air guide chamber 250a, and closes the top opening of the second air guide column 250, meanwhile, the first buoyant body 230 moves downward to be seated on the first buoyant seat 240, so that the top and bottom of the first air guide chamber 220b communicate with each other, and thus, the external air is introduced into the inflator body 210 through the first air guide chamber 220 b.
The piston rod reciprocating push-pull driving assembly 300 is used for driving the piston 220 to linearly reciprocate along the inner wall of the inflating cylinder 210 to inflate the air storage tank 100, and specifically, the piston rod reciprocating push-pull driving assembly 300 comprises a supporting shaft 310, a rotating wheel 320, a rocking handle 330 and a connecting rod 340, wherein one end of the supporting shaft 310 is connected with the outer side wall of the air storage tank 100, the rotating wheel 320 is sleeved on the outer wall of the supporting shaft 310, the rocking handle 330 is arranged on the outer wall of the rotating wheel 320, one end of the connecting rod 340 is hinged with the rocking handle 330, and the other end of the connecting rod 340 is hinged with the free end of the piston rod 230. When the inflator is used specifically, the rocking handle 330 is held by hand to rock, so that the rotating wheel 320 rotates relative to the axis of the supporting shaft 310, the rotating wheel 320 drives the connecting rod 340 to perform planar motion in a vertical plane, and the connecting rod 340 drives the driving piston rod 230 to drive the piston 220 to perform reciprocating linear motion in the inflator 210.
The air inlet of the valve control mechanism 400 is in communication with the air outlet of the pressurized air tank 100 and is configured to: specifically, in the present embodiment, the valve control mechanism 400 includes a cylindrical cylinder 410, an inner piston cylinder 420, an air pipe 430, and a ball valve 440, the cylindrical cylinder 410 is disposed perpendicular to the pressure gas tank 100, the top of the cylindrical cylinder 410 is communicated with the air outlet of the pressure gas tank 100, the left side of the cylindrical cylinder is open, the inner piston cylinder 420 is slidable left and right along the inner wall of the cylindrical cylinder 410, the inner piston cylinder 420 has an air chamber 420a with an open left end therein, the top of the inner piston cylinder is disposed at a position close to the right side thereof and is provided with an air inlet 420b communicated with the air chamber 420a, the right end of the inner piston cylinder 420 and the inside of the cylindrical cylinder 410 surround to form an air chamber H, one end of the air pipe 430 is communicated with the inside of the pressure gas tank 100, the other end of the air pipe is communicated with the air chamber H, the air pipe 430 is provided with a manual control valve 430a for communicating and shutting off the pressure gas tank 100 and the air chamber H, when the pneumatic storage cylinder is used, the pneumatic storage cylinder 100 is continuously inflated, when the air pressure in the pneumatic storage cylinder 100 is higher than the external air pressure, the air in the pneumatic storage cylinder 100 enters the ventilation cavity 420a through the air inlet 420b, the air entering the ventilation cavity 420a pushes the inner piston cylinder 420 to move rightwards in the cylindrical cylinder 410 under the action of the air pressure until the inner piston cylinder 420 seals the air outlet of the pneumatic storage cylinder 100, when the ball valve 440 is opened, the ventilation cavity 420a of the inner piston cylinder 420 is communicated with the pneumatic guide pipe 500, the manual regulating valve 430a is rotated to the direction parallel to the air pipe 430, when the pneumatic storage cylinder 100 is communicated with the air chamber H, the air chamber H is disconnected from the outside, the air in the pneumatic storage cylinder 100 enters the air chamber H, and under the action of the air pressure, the gas in the air chamber H pushes the inner piston cylinder 420 to move leftwards in the cylinder 410, when the inner piston cylinder 420 moves to the air inlet 420b to be butted with the air outlet of the pressure air tank 100, the pressure air tank 100 is communicated with the airflow guide pipe 500 through the ventilation chamber 420a, at this time, the gas in the pressure air tank 100 is released all at once, and strong airflow forms an air cannon. Preferably, in this embodiment, the opening at the left side of the inner piston cylinder 420 is closed, so that when the atmosphere flows through, a leftward pushing force is applied to the inner wall of the closed end, and the inner piston cylinder 420 is driven to move leftward. Meanwhile, when the top opening of the inner piston cylinder 420 is just butted with the pressure air storage tank 100, the closing-in position is just limited by the connecting position.
The air inlet end of the air flow guide tube 500 is communicated with the air outlet of the valve control mechanism 400 and is used for guiding the blowing direction of the air cannon. Preferably, in the present embodiment, the airflow guide pipe 500 is a bellows pipe.
Further, in this embodiment, the hand-operated pressurized air cannon picking device for picking fruits further comprises a movable frame 600 symmetrically arranged at the bottom of the valve control mechanism 400, the movable frame 600 is used for realizing the movement of the hand-operated pressurized air cannon picking device for picking fruits, specifically, the movable frame 600 comprises a transverse support rod 610, a clamping fixture 620 and a longitudinal support leg 630, the transverse support rod 610 is located at the bottom of the valve control mechanism 400, the clamping fixture 620 is arranged at the top of the transverse support rod 610, a clamping groove clamped with the valve control mechanism 400 is formed in the top of the transverse support rod 610, the longitudinal support leg 630 is symmetrically arranged at the end of the transverse support rod 610, and a universal wheel 630a is arranged at the bottom of the longitudinal support leg.
The invention also provides a use method of the hand-operated pressurized air cannon picking device for picking fruits, which comprises the following specific steps:
s1, pre-pressing operation
Firstly, the manual regulating valve 430a is rotated to the direction vertical to the air pipe 430, so that the pressure air storage tank 100 is disconnected from the air chamber H, the air chamber H is communicated with the outside, meanwhile, the ball valve 440 is closed, the air flow guide pipe 500 is disconnected from the valve control mechanism 400, and the air inlet 420b of the inner piston cylinder 420 is in butt joint with the air outlet of the pressure air storage tank 100;
s2, inflating the pressure air storage tank
The piston rod reciprocating push-pull driving assembly 300 drives the piston rod 230 to drive the piston 220 to reciprocate linearly in the inflator body 210, so that the piston 220 continuously inflates and compresses the gas entering the inflator body 210 into the pressure gas storage tank 100, wherein when the pressure gas storage tank 100 is continuously inflated and the gas pressure in the pressure gas storage tank 100 is higher than the external gas pressure, the gas in the pressure gas storage tank 100 enters the ventilation chamber 420a through the gas inlet 420b, and under the action of the gas pressure, the gas entering the ventilation chamber 420a pushes the inner piston cylinder 420 to move rightwards in the cylindrical cylinder 410 until the inner piston cylinder 420 seals the gas outlet of the pressure gas storage tank 100.
S3, air cannon release
Firstly, the air flow guide pipe 500 is aligned to fruits to be picked, the ball valve 440 is opened, the ventilation cavity chamber 420a of the inner piston cylinder 420 is communicated with the air flow guide pipe 500, then the manual regulating valve 430a is rotated to the direction parallel to the air pipe 430, the pressure air storage tank 100 is communicated with the air chamber H, and the air chamber H is disconnected with the outside, at the moment, the air in the pressure air storage tank 100 enters the air chamber H, under the action of air pressure, the air in the air chamber H pushes the inner piston cylinder 420 to move leftwards in the cylindrical cylinder body 410, when the inner piston cylinder 420 moves to the air inlet 420b to be butted with the exhaust port of the pressure air storage tank 100, the pressure air storage tank 100 is communicated with the air flow guide pipe 500 through the ventilation cavity chamber 420a, at the moment, the air in the pressure air storage tank 100 is all released instantly, and strong air flow forms an air cannon which blows off the fruits to be picked through the air flow guide pipe 500.
In this embodiment, the piston rod 230 is driven by the piston rod reciprocating push-pull driving assembly 300 to drive the piston 220 to reciprocate linearly in the inflator 210, as follows:
the handle 330 is held by hand to swing, so that the wheel 320 rotates relative to the axis of the support shaft 310, and the wheel 320 drives the connecting rod 340 to make planar motion in a vertical plane, and the connecting rod 340 drives the driving piston rod 230 to drive the piston 220 to make reciprocating linear motion in the inflator 210.
The specific steps of the piston 220 to continuously charge and compress the gas entering the inflator 210 into the pressure gas tank 100 are as follows:
when the piston 220 is compressed downwards in the inflator 210, at this time, due to the effect of the air pressure of the inflator 210, the first floating ball body 230 is pushed by the air pressure to suspend upwards to be attached to the top of the first air guide chamber 230, the first floating ball body 230 seals the top opening of the first air guide column 220a, and the second floating ball body 260 is pushed by the self gravity and the air pressure to be seated on the second floating ball seat 270, so that the inside of the inflator 210 is communicated with the inside of the pressure gas storage tank 100 through the second air guide column 250 and the air guide tube 280, and the gas in the inflator 210 is pushed by the piston to be compressed to enter the pressure gas storage tank 100;
when the piston 220 retracts upwards in the inflator body 210, due to the negative pressure in the inflator body 210, the second buoyant body 260 moves upwards to be attached to the top of the second air guide chamber 250a, the top opening of the second air guide column 250 is blocked, and meanwhile, the first buoyant body 230 moves downwards to be located on the first buoyant seat 240, so that the top and the bottom of the first air guide chamber 220b are communicated, and the outside air enters the inflator body 210 through the first air guide chamber 220 b.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a hand pressurization formula air cannon of fruit is picked device which characterized in that includes:
a pressure gas tank (100);
the inflation assembly (200) comprises an inflation cylinder body (210) with an air outlet end communicated with the interior of the pressure air storage tank (100), a piston (220) connected with the inner wall of the inflation cylinder body (210) and a piston rod (230) vertically arranged with the piston (220);
the piston rod reciprocating push-pull driving assembly (300) drives the piston (220) to linearly reciprocate along the inner wall of the inflating cylinder body (210) and inflate the pressure air storage tank (100);
a valve control mechanism (400), an air inlet in communication with an air outlet of the pressurized air reservoir (100), configured to: when the pressure gas storage tank (100) is full of gas, the gas outlet of the pressure gas storage tank (100) is automatically closed, and when the gas is exhausted, the gas in the pressure gas storage tank (100) is released at high pressure;
and the air inlet end of the airflow guide pipe (500) is communicated with the air outlet of the valve control mechanism (400).
2. A hand-operated pressurized air cannon picking apparatus for fruit picking as claimed in claim 1 wherein the piston rod reciprocating push-pull drive assembly (300) comprises:
a support shaft (310) having one end connected to an outer sidewall of the pressure air tank (100);
the rotating wheel (320) is sleeved on the outer wall of the supporting shaft (310);
a rocking handle (330) arranged on the outer wall of the rotating wheel (320);
and one end of the connecting rod (340) is hinged with the rocking handle (330), and the other end of the connecting rod is hinged with the free end of the piston rod (230).
3. A hand operated pressurized air cannon picking apparatus for fruit picking as claimed in claim 1 wherein the air flow guide tube (500) is a bellows.
4. The hand-operated pressurized air cannon picking apparatus for fruit picking according to claim 1, further comprising a moving carriage (600) symmetrically disposed at the bottom of the valve control mechanism (400), wherein the moving carriage (600) comprises:
a transverse strut (610) located at the bottom of the valve control mechanism (400);
the clamping clamp (620) is arranged at the top of the transverse supporting rod (610), and a clamping groove clamped with the valve control mechanism (400) is formed in the top of the clamping clamp;
and the longitudinal supporting legs (630) are symmetrically arranged at the ends of the transverse supporting rods (610), and the bottom ends of the longitudinal supporting legs are provided with universal wheels (630 a).
5. The hand-operated pressurized air cannon picking device for fruit picking according to claim 1, characterized in that the top of the piston (220) is provided with a first air guide column (220 a), a first air guide chamber (220 b) with the top and the bottom communicated is arranged in the first air guide column (220 a), a first floating ball body (230) is arranged in the first air guide chamber (220 b), a first floating ball seat (240) is arranged at the bottom of the first air guide chamber (220 b), wherein when the first buoyant sphere (230) engages the top of the first gas directing chamber (230), the first floating ball body (230) seals off the top opening of the first air guide column (220 a), the first gas directing chamber (220 b) communicates top and bottom when the first buoyant body (230) is seated on the first buoyant seat (240);
the exhaust end of the inflatable cylinder body (210) is provided with a second air guide column (250), the bottom end of the second air guide column (250) is provided with an air guide pipe (280) communicated with the inside of the pressure air storage tank (100), a second air guide chamber (250 a) with the top and the bottom communicated is arranged in the second air guide column (250), a second floating ball body (260) is arranged in the second air guide chamber (250 a), a second floating ball seat (270) is arranged at the bottom of the second air guide chamber (250 a), wherein when the second buoyant body (260) engages the top of the second gas directing chamber (250 a), the second floating ball body (260) seals the top opening of the second air guide column (250), the top and bottom of the second gas directing chamber (250 a) are in communication when the second float body (260) is seated on the float seat second float seat (270).
6. A hand operated pressurized air cannon picking apparatus for fruit picking as claimed in claim 1 wherein the valve control mechanism (400) comprises:
the cylindrical cylinder body (410) is perpendicular to the pressure air storage tank (100), the top of the cylindrical cylinder body is communicated with an air outlet of the pressure air storage tank (100), and the left side of the cylindrical cylinder body is open;
the inner piston cylinder (420) can slide left and right along the inner wall of the cylindrical cylinder (410), an air ventilation chamber (420 a) with an open left end is arranged in the inner piston cylinder, an air inlet (420 b) communicated with the air ventilation chamber (420 a) is arranged at the position, close to the right side, of the top of the inner piston cylinder, and the right end of the inner piston cylinder (420) and the inner part of the cylindrical cylinder (410) are enclosed to form an air chamber (H);
one end of the air pipe (430) is communicated with the inside of the pressure air storage tank (100), the other end of the air pipe is communicated with the air chamber (H), and a manual regulating valve (430 a) for communicating and shutting off the pressure air storage tank (100) and the air chamber (H) is arranged on the air pipe (430);
and the air inlet end of the ball valve (440) is connected with the opening part at the left end of the cylindrical cylinder body (410), and the air outlet end of the ball valve is communicated with the air inlet end of the airflow guide pipe (500).
7. The hand-operated pressurized air cannon picking apparatus for fruit picking according to claim 1, wherein the outer wall of the air pressure tank (100) is further provided with an air pressure gauge extending to the inside thereof.
8. A method of using a hand-operated pressurized air cannon picking apparatus for fruit picking as claimed in any one of claims 1 to 7:
s1, pre-pressing operation
Firstly, rotating a manual regulating valve (430 a) to a direction vertical to an air pipe (430), disconnecting a pressure air storage tank (100) from an air chamber (H), communicating the air chamber (H) with the outside, closing a ball valve (440), disconnecting an airflow guide pipe (500) from a valve control mechanism (400), and butting an air inlet (420 b) of an inner piston cylinder (420) with an exhaust port of the pressure air storage tank (100);
s2, inflating the pressure air storage tank
The piston rod (230) is driven by the piston rod reciprocating push-pull driving assembly (300) to drive the piston rod (220) to reciprocate linearly in the inflator body (210), so that the piston (220) continuously inflates and compresses the gas entering the inflator body (210) into the pressure gas storage tank (100), wherein the pressure gas storage tank (100) is continuously inflated, when the gas pressure in the pressure gas storage tank (100) is higher than the external gas pressure, the gas in the pressure gas storage tank (100) enters the ventilation cavity (420 a) through the gas inlet (420 b), and under the action of the gas pressure, the gas entering the ventilation cavity (420 a) pushes the inner piston cylinder (420) to move rightwards in the cylinder body (410) until the gas outlet of the pressure gas storage tank (100) is sealed by the inner piston cylinder (420);
s3, air cannon release
Firstly, aligning an air flow guide pipe (500) to fruits to be picked, opening a ball valve (440) to enable a ventilation cavity (420 a) of an inner piston cylinder (420) to be communicated with the air flow guide pipe (500), then rotating a manual regulating valve (430 a) to a direction parallel to an air pipe (430) to enable a pressure air storage tank (100) to be communicated with an air chamber (H), and enabling the air chamber (H) to be disconnected from the outside, at the moment, the air in the pressure air storage tank (100) enters the air chamber (H), under the action of air pressure, the air in the air chamber (H) pushes the inner piston cylinder (420) to move leftwards in a cylindrical cylinder body (410), when the inner piston cylinder (420) moves to an air inlet (420 b) to be butted with an air outlet of the pressure air storage tank (100), the air in the pressure air storage tank (100) is communicated with the air flow guide pipe (500) through the ventilation cavity (420 a), and at the moment, the air in the pressure air storage tank (100) is released all instantly, the strong airflow forms an air cannon which blows off the fruits to be picked through the airflow guide pipe (500).
9. The method for using a hand-operated pressurized air cannon picking device for fruit picking according to claim 8, wherein in step S2, the piston rod (230) is driven by the piston rod reciprocating push-pull driving assembly (300) to drive the piston rod (230) to move the piston (220) in the inflator (210) in a reciprocating and linear manner as follows:
the rocking handle (330) is held by hand to rock, so that the rotating wheel (320) rotates relative to the axis of the supporting shaft (310), the rotating wheel (320) drives the connecting rod (340) to do plane motion in a vertical plane, and the connecting rod (340) drives the driving piston rod (230) to drive the piston (220) to do reciprocating linear motion in the inflator pump body (210).
10. The method for using a hand-operated pressurized air cannon picking device for fruit picking according to claim 8, wherein in step S2, the piston (220) continuously inflates and compresses the air entering the air cylinder (210) into the air storage tank (100) as follows:
when the piston (220) is compressed downwards in the inflator barrel (210), at the moment, under the action of air pressure of the inflator barrel (210), the first floating ball body (230) is pushed by the air pressure to suspend upwards and attach to the top of the first air guide chamber (230), the top opening of the first air guide column (220 a) is blocked by the first floating ball body (230), meanwhile, the second floating ball body (260) is pushed by self gravity and the air pressure and is located on the second floating ball seat (270), so that the inside of the inflator barrel (210) is communicated with the inside of the pressure air storage tank (100) through the second air guide column (250) and the air guide tube (280), and air in the inflator barrel (210) is compressed by the pushing of the piston and enters the pressure air storage tank (100);
when the piston (220) retracts upwards in the inflator body (210), due to the action of negative pressure in the inflator body (210), the second floating ball body (260) moves upwards to be attached to the top of the second air guide chamber (250 a) to block the top opening of the second air guide column (250), meanwhile, the first floating ball body (230) moves downwards to be located on the first floating ball seat (240), so that the top and the bottom of the first air guide chamber (220 b) are communicated, and external air enters the inflator body (210) through the first air guide chamber (220 b).
CN202110900159.9A 2021-08-06 2021-08-06 Hand-operated pressurized air cannon picking device for picking fruits and using method thereof Withdrawn CN113455190A (en)

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CN202110900159.9A CN113455190A (en) 2021-08-06 2021-08-06 Hand-operated pressurized air cannon picking device for picking fruits and using method thereof

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Application Number Priority Date Filing Date Title
CN202110900159.9A CN113455190A (en) 2021-08-06 2021-08-06 Hand-operated pressurized air cannon picking device for picking fruits and using method thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114246061A (en) * 2021-11-05 2022-03-29 中国铁建重工集团股份有限公司 Impurity removal system of cotton picker
CN115486267A (en) * 2022-09-14 2022-12-20 云南农业大学 Branch hanging mature walnut fruit collecting device based on air vibration waves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114246061A (en) * 2021-11-05 2022-03-29 中国铁建重工集团股份有限公司 Impurity removal system of cotton picker
CN115486267A (en) * 2022-09-14 2022-12-20 云南农业大学 Branch hanging mature walnut fruit collecting device based on air vibration waves

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Application publication date: 20211001