CN215379983U - Hand-held pair-roller electric safflower harvester - Google Patents
Hand-held pair-roller electric safflower harvester Download PDFInfo
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- CN215379983U CN215379983U CN202023223623.5U CN202023223623U CN215379983U CN 215379983 U CN215379983 U CN 215379983U CN 202023223623 U CN202023223623 U CN 202023223623U CN 215379983 U CN215379983 U CN 215379983U
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Abstract
The utility model relates to a handheld double-roller electric safflower harvester which comprises a whole machine shell, a double-roller harvesting device, a power system, a negative pressure device and a handle type power supply. The safflower harvester adopts a harvesting mode of combining double-roller filament harvesting and negative-pressure filament harvesting. By optimizing the internal structural arrangement of the harvester and reasonably arranging the structures of all parts, the size of the whole harvester is effectively reduced, and the handheld operation is realized; the power system adopts synchronous belt transmission, so that the transmission is stable and the transmission ratio is accurate; the handle type power supply adopts a modular design, and the handle and the lithium battery are integrally designed, so that the replacement is convenient; the handle type power supply and the whole machine shell are designed according to a certain included angle, so that the pair rollers are perpendicular to the filaments, and the filaments after the pair flowers can be conveniently and completely harvested to the maximum extent. The utility model provides a small-sized and easy-to-operate handheld safflower harvesting machine, which solves the problems of large volume and mass of a backpack safflower harvesting machine, realizes the light-weight design of a harvesting tool and reduces the labor load of safflower picking personnel.
Description
Technical Field
The utility model belongs to the field of agricultural machinery, and particularly relates to a handheld pair-roller electric safflower harvester.
Background
Safflower is a special economic crop integrating medicinal, edible, oil and health care values. The corolla, seed, stem and leaf, straw and the like can be utilized, are called as the king of linoleic acid and the corolla of vitamin E, and are traditional Chinese medicinal materials for promoting blood circulation and removing blood stasis. The safflower filament harvester of market mainstream mainly adopts backpack collection, and is bulky, and wherein the filament collecting box accounts for more than 80% of complete machine weight and volume, and the personnel that adopt the flower work burden is big, is difficult to the continuous work for a long time. Therefore, it is urgently needed to develop a portable handheld safflower harvesting machine capable of continuously working for a long time, and solve the problems of heavy weight, large volume and short continuous working time of the existing single-person carried safflower harvesting machine.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a handheld pair-roller electric safflower harvesting machine, and aims to provide a handheld safflower harvesting machine which is small in size, convenient to carry, long in continuous working time and capable of quickly replacing batteries.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an electronic safflower harvester of hand-held type pair roller, includes complete machine casing (1), pair roller harvesting device (2), driving system (3), vacuum device (4), handle formula power (5), characterized by, pair roller harvesting device (2) are connected with complete machine casing (1) through the bearing frame, are located the complete machine front portion, driving system (3) are connected with complete machine casing (1) through the transmission shaft, are located pair roller harvesting device (2) rear side, vacuum device (4) are connected with driving system (3) through the bolt, are located complete machine casing (1) inside, handle formula power (5) are connected with complete machine casing (1) through the draw-in groove, are located the complete machine rear portion.
The whole machine shell (1) comprises an air outlet side outer shell (1-1), a transmission side outer shell (1-2), a bottom switch cover (1-3), a pair roller transmission gear end cover (1-4), a synchronous belt end cover (1-5) and a transparent observation plate (1-6); the air outlet side outer shell (1-1) is connected with the transmission side outer shell (1-2) through screws to form a cavity for accommodating the double-roller harvesting device (2) and the negative pressure device (4); the bottom switch cover (1-3) is connected with the air outlet side outer shell (1-1) and the transmission side outer shell (1-2) through clamping grooves; the pair of roller transmission gear end covers (1-4) are connected with the air outlet side outer shell (1-1) in a gluing mode; the synchronous belt end cover (1-5) is connected with the transmission side outer shell (1-2) in a gluing mode; the transparent observation plate (1-6) is a strip-shaped transparent plastic plate and is connected with the transmission side outer shell (1-2) in a gluing mode.
The pair-roller harvesting device (2) comprises an upper rubber roller (2-1), a lower rubber roller (2-2) and a pair-roller transmission gear (2-3); the upper rubber roller (2-1) and the lower rubber roller (2-2) are arranged between the whole machine shell (1) through bearing seats, and the pair roller transmission gear (2-3) is connected with the upper rubber roller (2-1) and the lower rubber roller (2-2) through keys;
the upper rubber roller (2-1) comprises an upper rubber roller shaft (2-1-1) and upper rubber roller rubber (2-1-2), and the upper rubber roller rubber (2-1-2) is connected with the upper rubber roller shaft (2-1-1) through interference fit;
the lower rubber roller (2-2) comprises a lower rubber roller shaft (2-2-1) and lower rubber roller rubber (2-2-2), and the lower rubber roller rubber (2-2-2) is connected with the lower rubber roller shaft (2-2-1) through interference fit;
the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) are both made of nitrile rubber, the surfaces of the nitrile rubber are coated with BS-II coating, and the surface friction coefficient range of the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) is 0.5-0.7.
The power system (3) comprises an internal mounting base (3-1), a direct current motor (3-2) and a synchronous belt transmission (3-3); the internal mounting base (3-1) is connected with the whole machine shell (1) through a screw; the direct current motor (3-2) is arranged in the internal mounting base (3-1) and is connected with the whole machine shell (1) through a nut;
the synchronous belt transmission (3-3) comprises a driving synchronous belt wheel (3-3-1), a synchronous belt (3-3-2) and a driven synchronous belt wheel (3-3-3); the driving synchronous belt wheel (3-3-1) is connected with a motor shaft of the direct current motor (3-2), the driving synchronous belt wheel (3-3-1) is connected with the driven synchronous belt wheel (3-3-3) through a synchronous belt (3-3-2), and the driven synchronous belt wheel (3-3-3) is connected with the upper rubber roll shaft (2-1-1) through a key.
The negative pressure device (4) comprises a vortex fan (4-1), a filament filter screen (4-2) and a fan filter screen (4-3); the vortex fan (4-1) is connected with the internal mounting base (3-1) through a screw; the filament filter screen (4-2) is connected with the whole machine shell (1) through a chute, and the fan filter screen (4-3) is connected with the vortex fan (4-1) through gluing;
the filament filter screen (4-2) comprises a metal filter screen (4-2-1), a filter screen frame (4-2-2) and a bottom cylindrical fixture block (4-2-3); the metal filter screen (4-2-1) is connected with the filter screen frame (4-2-2) and the bottom cylindrical fixture block (4-2-3) through gluing, and when the filigree filter screen (4-2) is connected with the whole machine shell (1) through the chute, the bottom cylindrical fixture block (4-2-3) is in interference fit with the semicircular clamping groove at the bottom of the chute and used for fixing the filigree filter screen (4-2).
The handle type power supply (5) comprises a handle main body (5-1), a handle rear cover (5-2), a battery module (5-3) and a power switch (5-4); the handle main body (5-1) is connected with the whole machine shell (1) through a clamping groove; the handle rear cover (5-2) is connected with the handle main body (5-1) through a clamping groove; the power switch (5-4) is connected with the handle main body (5-1) in a gluing mode and supplies power to the whole machine through the plug; the front side of the lower part of the handle main body (5-1) is provided with a bulge with the length range of 10-20mm and the height range of 10-15mm, so that the machine is prevented from falling off due to unstable holding;
the internal mounting base (3-1) is tightly attached to the inside of the whole machine shell (1), the internal mounting base (3-1) is designed to be a U-shaped groove, the direct current motor (3-2) is placed inside the internal mounting base, and the external mounting base is connected with the vortex fan (4-1), so that the internal space of the whole machine is saved.
The rotating speed range of the vortex fan (4-1) is 2200-2600 r/min;
a plurality of filament filter holes with the diameter of 2-4mm are uniformly distributed on the filament filter screen (4-2), air can flow into the vortex fan (4-1) through the filament filter holes under the action of the vortex fan (4-1) to form negative pressure in a cavity, and simultaneously, the filaments can not pass through the filament filter holes; the fan filter screen (4-3) is uniformly distributed with a plurality of holes with the diameter of 2-3mm, so that foreign matters can be prevented from entering the vortex fan (4-1) to cause the damage of the vortex fan (4-1).
The handle type power supply (5) and the whole machine shell (1) are designed according to an included angle of 5-20 degrees, so that the pair roller harvesting device (2) is perpendicular to the filaments, and the filaments after being patterned can be conveniently and completely harvested to the maximum extent.
The position of the power switch (5-4) is the side surface of the upper part of the handle main body (5-1) and is 15-25mm away from the top end of the handle main body (5-1).
Compared with the prior art, the utility model has the beneficial effects that:
1. the whole machine adopts a highly integrated design. Adopt the design of integrating, through optimizing the internal structure and arranging, make each partial compact structure in inside, make whole machine size all be less than 200mm, reduced the complete machine volume, convenient handheld operation to reduce the filament collecting box widely, the filament can be taken out after collecting a certain amount, has solved the light problem of simplifying of safflower harvesting machinery.
2. The rubber roller is treated by coating. The upper rubber roller (2-1) and the lower rubber roller (2-2) adopt nitrile rubber rollers, BS-II coating is coated on the surfaces of the nitrile rubber rollers, the friction force and the positive pressure of the upper rubber roller (2-1) and the lower rubber roller (2-2) to the filament are increased, the friction coefficient between the filament and the surface of the safflower filament is 0.5-0.7, the friction force between the filament and the rubber rollers is increased, the filament picking rate is improved, meanwhile, the damage to the filament is reduced, and the filament breakage rate is reduced.
3. The power supply adopts a modular design. The handle type power supply (5) adopts a modular design, and the handle type power supply (5) can be rapidly disassembled and assembled and can be charged for many times. The filament picking personnel can carry a plurality of handle type power supplies (5) to replace the filament picking personnel at any time, and the charging is unified in non-working time, so that the downtime is greatly reduced, and the filament picking efficiency is improved; the battery modules (5-4) adopt a detachable design, and only the battery modules (5-4) can be replaced when damaged, so that the maintenance cost is reduced.
4. An ergonomic design is used. The cross section of the handle main body (5-1) is square, the size range of the circumference is 155mm, the length-width ratio range is 1.2-1.4, the height range is 95-110mm, the shape of the handle main body accords with the shape of the Chinese adult hand, and the handle main body is more labor-saving to hold. According to the average arm length of adults in China and the vertical included angle theta of the main handle body (5-1) of the distribution height of the safflower balls is 5-20 degrees, when the main handle body (5-1) is held to work, the flower alignment is easier, the wrist is in a more labor-saving straight state within more than 70 percent of the time, and the wrist strain of a flower picking person is reduced. The switch is designed conveniently, the power switch (5-4) is located at a position 15-25mm away from the top end of the handle main body (5-1) on the side surface of the upper part of the handle main body (5-1), and is located at a first joint of a thumb with a flexible hand, and the safflower harvester can be started and stopped by one hand.
5. The collection box body adopts a visual design. Transparent observation board (1-6) adopt transparent scale plate design, can accurately observe the inside volume of gathering the filament of safflower collection box, be convenient for in time discharge the safflower filament, prevent that the filament from gathering the box too much, the backward flow from causing the secondary damage of filament.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention (the whole casing (1) is removed, and the air-out side casing (1-1) is retained);
FIG. 3 is a schematic structural diagram of the whole casing (1) of the present invention;
FIG. 4 is a schematic view of the twin roll harvesting device (2) of the present invention;
FIG. 5 is a schematic view of the power system (3) configuration of the present invention;
FIG. 6 is a schematic view of the internal mounting base (3-1) of the present invention;
FIG. 7 is a schematic structural view of the negative pressure device (4) of the present invention;
FIG. 8 is a schematic view of the structure of the filament screen (4-2) of the present invention;
FIG. 9 is a schematic view of the structure of the handle power supply (5) of the present invention;
fig. 10 is a schematic structural view of the handle type power supply (5) of the present invention (with the handle rear cover (5-2) removed).
Wherein the reference numbers of the figures are:
air outlet side outer shell 1-1 of whole machine shell 1
Bottom switch cover 1-3 of transmission side outer shell 1-2
Double-roller transmission gear end cover 1-4 synchronous belt end cover 1-5
Transparent observation plate 1-6 paired roller harvesting device 2
Upper rubber roll 2-1 and upper rubber roll shaft 2-1
Upper rubber roller 2-1-2 lower rubber roller 2-2
Lower rubber roller shaft 2-2-1 lower rubber roller 2-2
Double-roller transmission gear 2-3 power system 3
Internal mounting base 3-1 DC motor 3-2
Synchronous belt drive 3-3 driving synchronous belt wheel 3-3-1
Synchronous belt 3-3-2 driven synchronous pulley 3-3
Filament filter 4-2 metal filter 4-2-1
Bottom cylindrical fixture block 4-2-3 of filter screen frame 4-2-2
Fan filter screen 4-3 handle type power supply 5
Handle main body 5-1 handle rear cover 5-2
Battery module 5-3 power switch 5-4
Detailed Description
As shown in fig. 1-2, a hand-held pair-roller electric safflower harvester comprises a whole machine shell (1), a pair-roller harvesting device (2), a power system (3), a negative pressure device (4) and a handle type power supply (5), and is characterized in that the pair-roller harvesting device (2) is connected with the whole machine shell (1) through a bearing seat and is positioned at the front part of the whole machine, the power system (3) is connected with the whole machine shell (1) through a transmission shaft and is positioned at the rear side of the pair-roller harvesting device (2), the negative pressure device (4) is connected with the power system (3) through a bolt and is positioned inside the whole machine shell (1), and the handle type power supply (5) is connected with the whole machine shell (1) through a clamping groove and is positioned at the rear part of the whole machine.
As shown in fig. 3, the whole machine casing (1) comprises an air-out side outer casing (1-1), a transmission side outer casing (1-2), a bottom switch cover (1-3), a pair roller transmission gear end cover (1-4), a synchronous belt end cover (1-5) and a transparent observation plate (1-6), and is characterized in that the air-out side outer casing (1-1) is connected with the transmission side outer casing (1-2) through screws to form a cavity for accommodating the pair roller harvesting device (2) and the negative pressure device (4), the bottom switch cover (1-3) is connected with the air-out side outer casing (1-1) and the transmission side outer casing (1-2) through clamping grooves, and the pair roller transmission gear end cover (1-4) is connected with the air-out side outer casing (1-1) through a gluing mode, the synchronous belt end cover (1-5) is connected with the transmission side outer shell (1-2) in a gluing mode, and the transparent observation plate (1-6) is a long-strip-shaped transparent plastic plate and is connected with the transmission side outer shell (1-2) in a gluing mode.
As shown in fig. 4, the pair-roller harvesting device (2) comprises an upper rubber roller (2-1), a lower rubber roller (2-2) and a pair-roller transmission gear (2-3), and is characterized in that the upper rubber roller (2-1) and the lower rubber roller (2-2) are mounted between the whole machine shell (1) through bearing seats, and the pair-roller transmission gear (2-3) is connected with the upper rubber roller (2-1) and the lower rubber roller (2-2) through keys; the upper rubber roller (2-1) comprises an upper rubber roller shaft (2-1-1) and upper rubber roller rubber (2-1-2), and is characterized in that the upper rubber roller rubber (2-1-2) is connected with the upper rubber roller shaft (2-1-1) through interference fit; the lower rubber roller (2-2) comprises a lower rubber roller shaft (2-2-1) and lower rubber roller rubber (2-2-2), and is characterized in that the lower rubber roller rubber (2-2-2) is connected with the lower rubber roller shaft (2-2-1) through interference fit; the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) are both made of nitrile rubber, the surfaces of the nitrile rubber are coated with BS-II coating, and the surface friction coefficient range of the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) is 0.5-0.7.
As shown in fig. 5-6, the power system (3) includes an internal mounting base (3-1), a dc motor (3-2), and a synchronous belt drive (3-3), and is characterized in that the internal mounting base (3-1) is connected to the whole casing (1) via a screw, and the dc motor (3-2) is disposed in the internal mounting base (3-1) and connected to the whole casing (1) via a nut.
As shown in fig. 5, the synchronous belt transmission (3-3) comprises a driving synchronous pulley (3-3-1), a synchronous belt (3-3-2) and a driven synchronous pulley (3-3-3), and is characterized in that the driving synchronous pulley (3-3-1) is connected with a motor shaft of the dc motor (3-2), the driving synchronous pulley (3-3-1) is connected with the driven synchronous pulley (3-3-3) through the synchronous belt (3-3-2), and the driven synchronous pulley (3-3-3) is connected with the upper rubber roll shaft (2-1-1) through a key. The synchronous belt transmission (3-3) comprises a driving synchronous belt wheel (3-3-1), a synchronous belt (3-3-2) and a driven synchronous belt wheel (3-3-3), and is characterized in that the driving synchronous belt wheel (3-3-1) is connected with a motor shaft of the direct current motor (3-2), the driving synchronous belt wheel (3-3-1) is connected with the driven synchronous belt wheel (3-3-3) through the synchronous belt (3-3-2), and the driven synchronous belt wheel (3-3-3) is connected with the upper rubber roll shaft (2-1-1) through a key.
As shown in fig. 6, the outer curve of the internal mounting base (3-1) is attached to the inner curve of the whole machine shell (1); the internal mounting base (3-1) is internally provided with a direct current motor (3-2), and the external mounting base is connected with a vortex fan (4-1).
As shown in fig. 7-8, the negative pressure device (4) comprises a vortex fan (4-1), a filament filter screen (4-2) and a fan filter screen (4-3), and is characterized in that the vortex fan (4-1) is connected with an internal mounting base (3-1) through a screw, the filament filter screen (4-2) is connected with the whole machine housing (1) through a chute, and the fan filter screen (4-3) is connected with the vortex fan (4-1) through gluing;
preferably, the rotating speed range of the vortex fan (4-1) is 2200 to 2600 r/min.
As shown in fig. 7, the fan filter screen (4-3) is characterized in that a plurality of holes with the diameter of 2-3mm are uniformly distributed in the fan filter screen (4-3), so that foreign matters can be prevented from entering the vortex fan (4-1) to damage the vortex fan (4-1).
As shown in fig. 8, the filigree filter screen (4-2) comprises a metal filter screen (4-2-1), a filter screen frame (4-2-2) and a bottom cylindrical fixture block (4-2-3), and is characterized in that the metal filter screen (4-2-1), the filter screen frame (4-2-2) and the bottom cylindrical fixture block (4-2-3) are connected through gluing, and when the filigree filter screen (4-2) is connected with the whole machine shell (1) through a chute, the bottom cylindrical fixture block (4-2-3) is in interference fit with a semicircular fixture groove at the bottom of the chute and used for fixing the filigree filter screen (4-2). The filament filter screen (4-2) is characterized in that a plurality of filament filter screen holes with the diameter of 2-4mm are uniformly distributed on the filament filter screen (4-2), air can flow into the vortex fan (4-1) through the filament filter screen holes under the action of the vortex fan (4-1) to form negative pressure in a cavity, and meanwhile, the filaments cannot pass through the filament filter screen holes.
As shown in fig. 9-10, the handle type power supply (5) comprises a handle main body (5-1), a handle rear cover (5-2), a battery module (5-3) and a power switch (5-4), and is characterized in that the handle main body (5-1) is connected with the whole machine casing (1) through a clamping groove, the handle rear cover (5-2) is connected with the handle main body (5-1) through the clamping groove, the power switch (5-4) is connected with the handle main body (5-1) through a gluing mode, and power is supplied to the whole machine through a plug.
As shown in figures 9-10, the front side of the lower part of the handle main body (5-1) is provided with a bulge with the length range of 10-20mm and the height range of 10-15mm, so that the machine is prevented from falling due to unstable holding.
As shown in fig. 10, the power switch (5-4) is characterized in that the position of the power switch (5-4) is the position 15-25mm away from the top end of the handle main body (5-1) on the side surface of the upper part of the handle main body (5-1).
As shown in fig. 1-10, preferably, the handle-type power supply (5) and the whole machine casing (1) are designed at an included angle of 5-20 degrees, so that the pair roller harvesting device (2) is perpendicular to the filaments, and the filaments after being patterned can be harvested completely and maximally.
The working process of the utility model is as follows:
as shown in fig. 1-10, after the power switch (5-4) is turned on, the battery module (5-3) in the handle power supply (5) supplies power to the dc motor (3-2) through the plug to make it rotate, the motor shaft drives the driving synchronous pulley (3-3-1), thereby driving the synchronous belt (3-3-2) and driving the driven synchronous belt wheel (3-3-3), the upper rubber roll (2-1) is driven to rotate through a key to drive the pair-roller transmission gear (2-3), thereby driving the lower rubber roller (2-2) to pull the safflower filaments aligned with the double-roller harvesting device (2) under the friction force and positive pressure of the upper rubber roller (2-1) and the lower rubber roller (2-2) to separate the safflower fruits; meanwhile, after the power switch (5-4) is turned on, the vortex fan (4-1) is started, air in a cavity formed by the air outlet side outer shell (1-1), the transmission side outer shell (1-2) and the bottom switch cover (1-3) is sucked into the fan to form negative pressure, the safflower filaments are separated from the safflower fruits under the action of the double-roller drawing and the negative pressure in the cavity, and the harvesting of the safflower is finished; after the capacity of the filaments in the cavity is observed through the transparent observation plate (1-6), opening a bottom switch cover (1-3) and taking out the filaments; when the filaments are bonded on the filament filter screen (4-2) under the impact, the filament filter screen (4-2) can be pulled out for cleaning; after the battery module (5-3) of the handheld pair-roller electric safflower harvesting machine is exhausted, the handle type power supply (5) is pulled down, and the handle type power supply (5) with sufficient electric quantity can be replaced; if the battery module (5-3) is damaged or the storage capacity is attenuated due to long-term use, the handle rear cover (5-2) can be opened, and a new battery module (5-3) is replaced, so that the maintenance cost is saved.
The above-described embodiments are merely preferred examples of the present invention, which is not intended to limit the embodiments of the present invention, and it will be apparent to those skilled in the art that other variations and modifications may be made on the above-described embodiments without departing from the spirit or essential characteristics of the utility model.
Claims (10)
1. A hand-held pair-roller electric safflower harvester comprises a whole machine shell (1), a pair-roller harvesting device (2), a power system (3), a negative pressure device (4) and a handle type power supply (5), and is characterized in that the pair-roller harvesting device (2) is connected with the whole machine shell (1) through a bearing seat and is positioned at the front part of the whole machine; the power system (3) is connected with the whole machine shell (1) through a transmission shaft and is positioned on the rear side of the double-roller harvesting device (2); the negative pressure device (4) is connected with the power system (3) through a bolt and is positioned in the whole machine shell (1); the handle type power supply (5) is connected with the whole machine shell (1) through a clamping groove and is positioned at the rear part of the whole machine.
2. The hand-held pair-roller electric safflower harvester according to claim 1, wherein the whole machine shell (1) comprises an air-out side outer shell (1-1), a transmission side outer shell (1-2), a bottom switch cover (1-3), a pair-roller transmission gear end cover (1-4), a synchronous belt end cover (1-5) and a transparent observation plate (1-6); the air outlet side outer shell (1-1) is connected with the transmission side outer shell (1-2) through screws to form a cavity for accommodating the double-roller harvesting device (2) and the negative pressure device (4); the bottom switch cover (1-3) is connected with the air outlet side outer shell (1-1) and the transmission side outer shell (1-2) through clamping grooves; the pair of roller transmission gear end covers (1-4) are connected with the air outlet side outer shell (1-1) in a gluing mode; the synchronous belt end cover (1-5) is connected with the transmission side outer shell (1-2) in a gluing mode; the transparent observation plate (1-6) is a strip-shaped transparent plastic plate and is connected with the transmission side outer shell (1-2) in a gluing mode.
3. The hand-held pair-roller electric safflower harvester according to claim 1, wherein the pair-roller harvesting device (2) comprises an upper rubber roller (2-1), a lower rubber roller (2-2) and a pair-roller transmission gear (2-3); the upper rubber roller (2-1) and the lower rubber roller (2-2) are arranged between the whole machine shell (1) through bearing seats, and the pair roller transmission gear (2-3) is connected with the upper rubber roller (2-1) and the lower rubber roller (2-2) through keys;
the upper rubber roller (2-1) comprises an upper rubber roller shaft (2-1-1) and upper rubber roller rubber (2-1-2), and the upper rubber roller rubber (2-1-2) is connected with the upper rubber roller shaft (2-1-1) through interference fit;
the lower rubber roller (2-2) comprises a lower rubber roller shaft (2-2-1) and lower rubber roller rubber (2-2-2), and the lower rubber roller rubber (2-2-2) is connected with the lower rubber roller shaft (2-2-1) through interference fit;
the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) are both made of nitrile rubber, the surfaces of the nitrile rubber are coated with BS-II coating, and the surface friction coefficient range of the upper rubber roll rubber (2-1-2) and the lower rubber roll rubber (2-2-2) is 0.5-0.7.
4. The hand-held pair-roller electric safflower harvester according to claim 3, characterized in that the power system (3) comprises an internal mounting base (3-1), a direct current motor (3-2) and a synchronous belt drive (3-3); the internal mounting base (3-1) is connected with the whole machine shell (1) through a screw; the direct current motor (3-2) is arranged in the internal mounting base (3-1) and is connected with the whole machine shell (1) through a nut;
the synchronous belt transmission (3-3) comprises a driving synchronous belt wheel (3-3-1), a synchronous belt (3-3-2) and a driven synchronous belt wheel (3-3-3); the driving synchronous belt wheel (3-3-1) is connected with a motor shaft of the direct current motor (3-2), the driving synchronous belt wheel (3-3-1) is connected with the driven synchronous belt wheel (3-3-3) through a synchronous belt (3-3-2), and the driven synchronous belt wheel (3-3-3) is connected with the upper rubber roll shaft (2-1-1) through a key.
5. The hand-held pair-roller electric safflower harvester according to claim 4, wherein the negative pressure device (4) comprises a vortex fan (4-1), a filament filter screen (4-2) and a fan filter screen (4-3); the vortex fan (4-1) is connected with the internal mounting base (3-1) through a screw; the filament filter screen (4-2) is connected with the whole machine shell (1) through a chute; the fan filter screen (4-3) is connected with the vortex fan (4-1) through gluing;
the filament filter screen (4-2) comprises a metal filter screen (4-2-1), a filter screen frame (4-2-2) and a bottom cylindrical fixture block (4-2-3); the metal filter screen (4-2-1) is connected with the filter screen frame (4-2-2) and the bottom cylindrical fixture block (4-2-3) through gluing, and when the filigree filter screen (4-2) is connected with the whole machine shell (1) through the chute, the bottom cylindrical fixture block (4-2-3) is in interference fit with the semicircular clamping groove at the bottom of the chute and used for fixing the filigree filter screen (4-2).
6. The hand-held pair-roller electric safflower harvester according to claim 1, wherein the handle-type power supply (5) comprises a handle main body (5-1), a handle rear cover (5-2), a battery module (5-3) and a power switch (5-4); the handle main body (5-1) is connected with the whole machine shell (1) through a clamping groove; the handle rear cover (5-2) is connected with the handle main body (5-1) through a clamping groove; the power switch (5-4) is connected with the handle main body (5-1) in a gluing mode and supplies power to the whole machine through the plug;
the front side of the lower part of the handle main body (5-1) is provided with a bulge with the length range of 10-20mm and the height range of 10-15mm, so that the machine is prevented from falling due to unstable holding.
7. The hand-held pair-roller electric safflower harvester according to claim 5, characterized in that the inner mounting base (3-1) is tightly attached to the inside of the whole machine shell (1), the inner mounting base (3-1) is designed to be a U-shaped groove, the direct current motor (3-2) is placed inside, and the vortex fan (4-1) is connected to the outside, so that the space inside the whole machine is saved.
8. The hand-held pair-roller electric safflower harvester according to claim 5, wherein the rotating speed of the vortex fan (4-1) ranges from 2200 r/min to 2600 r/min;
a plurality of filament filter holes with the diameter of 2-4mm are uniformly distributed on the filament filter screen (4-2), air can flow into the vortex fan (4-1) through the filament filter holes under the action of the vortex fan (4-1) to form negative pressure in a cavity, and simultaneously, the filaments can not pass through the filament filter holes; the fan filter screen (4-3) is uniformly distributed with a plurality of holes with the diameter of 2-3mm, so that foreign matters can be prevented from entering the vortex fan (4-1) to cause the damage of the vortex fan (4-1).
9. The hand-held pair-roller electric safflower harvester according to claim 1, characterized in that the handle-type power supply (5) and the whole machine shell (1) are designed with an included angle of 5-20 degrees, so that the pair-roller harvesting device (2) is perpendicular to the filaments, and the maximum complete harvesting of the filaments after the flowers are harvested is facilitated.
10. The hand-held pair-roller electric safflower harvester according to claim 6, wherein the position of the power switch (5-4) is 15-25mm from the top end of the handle main body (5-1) at the upper side of the handle main body (5-1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023223623.5U CN215379983U (en) | 2020-12-28 | 2020-12-28 | Hand-held pair-roller electric safflower harvester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023223623.5U CN215379983U (en) | 2020-12-28 | 2020-12-28 | Hand-held pair-roller electric safflower harvester |
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| CN215379983U true CN215379983U (en) | 2022-01-04 |
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