CN110754211A

CN110754211A - Hand-held harvester

Info

Publication number: CN110754211A
Application number: CN201910971069.1A
Authority: CN
Inventors: 姜仕存
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-02-07

Abstract

The invention discloses a handheld harvester which comprises a workbench, a handheld rod, a handheld handle, shoulder straps and a driving assembly, wherein a rotating motor is arranged in an inner cavity of the workbench, a harvesting device is arranged below the workbench, the harvesting device is composed of a cross-shaped fixing frame, a rectangular sliding groove, a rectangular sliding block, a first return spring, a harvesting blade, a long groove, a second return spring, a positioning pin, a positioning hole, a threaded through hole, a screw rod, a cross-shaped rotating frame and a traction line, a first arc-shaped protection plate is arranged on the rear side of the lower end of the workbench, a manual adjusting type protection device is arranged at the inner side end of one arc-shaped protection plate, and a manual steering adjusting device is arranged between the workbench and the. The invention has the advantages of simple structure and strong practicability.

Description

Hand-held harvester

Technical Field

The invention relates to the field of harvesters, in particular to a handheld harvester.

Background

The harvester is a machine for harvesting agricultural products, but the harvesters in the current market are large-sized machines, not only have high use cost, but also occupy space, and are not suitable for being used in the terrain with narrow area or fluctuated bottom surface; when the existing traditional handheld harvester is not used, the cutting blade is arranged outside, so that the cutting blade is damaged due to careless touch and the life safety of people is threatened; traditional hand-held type harvester function is more single, consequently need a hand-held type harvester now, this kind of hand-held type harvester portable, be applicable to the region use that the area is narrow and small, the harvesting apparatus that is equipped with can the position of manual regulation harvesting blade, can be built-in with the blade when equipment does not use, the manual regulation protector that is equipped with can protect harvesting apparatus when equipment does not use, in addition for being equipped with anti-theft device, the light, be used for increasing recreational audio playback device and the heat dissipation that shoulders, the function of traditional hand-held type harvester increases.

Disclosure of Invention

The invention aims to solve the problems and designs a handheld harvester.

The technical scheme of the invention is that the handheld harvester comprises a workbench, a handheld rod, a handheld handle, a shoulder strap and a driving assembly, wherein a hollow groove is formed in the middle of an inner cavity of the workbench, a rotating motor with a vertically downward rotating shaft is arranged in the hollow groove, a harvesting device is arranged below the workbench, and the harvesting device comprises a cross-shaped fixing frame, a rectangular sliding groove with a certain length, a rectangular sliding block, a first return spring, a harvesting blade, a long groove, a second return spring, a third return spring and a third return spring, wherein the rectangular sliding block is arranged at the four ends above the cross-shaped fixing frame and is respectively provided with the rectangular sliding groove along the length direction, the rectangular sliding block is respectively arranged in the rectangular sliding groove and can slide along the length direction, the first return spring is arranged between the inner side end of the rectangular sliding block along the sliding direction and the inner bottom end of the rectangular sliding groove, the first return spring is, The locating pin that stiff end and second, two flexible ends of reset spring fixed connection's in microscler recess reset spring, rectangle spout outside end and follow its width direction both sides inner chamber and open respectively locating hole that has, threaded through-hole that open at cross mount middle part, twist screw rod that threaded through-hole stretches out, the cross rotating turret that the tip was equipped with under the screw rod and the pull line that is equipped with respectively between screw rod upper end and the locating pin constitute, cross mount middle part with be equipped with the cavity transmission shaft between the rotating electrical machines rotation axis, workstation lower extreme rear side is equipped with arc guard plate one, an arc guard plate medial extremity is equipped with manual regulation formula protector, manual regulation formula protector by arc guard plate medial extremity middle part just follows the arc spout that its arc direction was opened, the interlayer that the arc spout was equipped with along its length direction middle part, The arc-shaped sliding groove is internally provided with an arc-shaped sliding plate which can slide along the length direction of the arc-shaped sliding groove and is positioned on two sides of the position of the interlayer respectively, a reset spring III which is arranged on two sides of the position of the arc-shaped sliding groove respectively and is positioned between the arc-shaped protective plate II fixedly connected with the arc-shaped sliding plate and the interlayer respectively and along the length direction of the arc-shaped sliding groove, a rotating rod, a steel wire and a rotating rod fastener which are arranged on one side of the lower end of the hand-held rod respectively, a rotating rod fastener which is arranged on the lower end of the hand-held rod and is positioned on two sides of the position of the rotating rod respectively, a manual steering adjusting device is arranged between the working table and the hand-held rod, the manual steering adjusting device is composed of a fixing seat which is fixedly arranged on the lower end of the, The inner cavity at the lower end of the fixing seat is provided with an embedded groove which can be used for embedding the steel ball, one end of the fixing seat is provided with a screw hole which is communicated with the embedded groove, a set screw which is screwed into the screw hole and a disc-shaped rotating frame which is arranged at the outer end part of the set screw.

The locating pin can be inserted in the locating hole, cavity transmission shaft cross section aperture is greater than screw rod cross section aperture, the screw rod is twisted the end and is inserted cavity transmission shaft inner chamber, the pull wire runs through respectively cavity transmission shaft lower extreme lateral wall with the screw rod upper end is connected, the pull wire adopts the high metal material of tensile strength to make.

The cross section of the first arc-shaped protection plate is set to be a semicircular arc shape, the cross section of the second arc-shaped protection plate is set to be an 1/4 circular arc shape, the arc-shaped sliding groove is respectively provided with a stop dog along two side ends of the length direction of the arc-shaped sliding groove, the arc-shaped sliding block is fixedly connected with the end part of the inner side end of the second arc-shaped protection plate, and when the third reset spring is in a natural state, the arc-shaped sliding block.

The steel ball body is embedded into the caulking groove, the steel ball body and the caulking groove can rotate freely, but a protection component for preventing the steel ball body from falling off can be arranged at the lower end of the caulking groove, and the set screw penetrates through the screw hole and is screwed into the caulking groove.

The outer part of the handheld handle can be sleeved with sweat-absorbent cotton, and one side of the upper end part of the handheld rod can be provided with a lighting lamp.

The driving assembly is composed of a driving box body arranged at the rear end of the handheld rod, a power supply device and a control device which are arranged in the driving box body, and an operation panel arranged on one side of the upper end of the handheld rod.

The shoulder strap can be set to be hollow and provided with a plurality of first heat dissipation holes, the shoulder strap can be internally provided with a soft vent pipe, the soft vent pipe is provided with a plurality of second heat dissipation holes, the driving box body can be internally provided with an air pump, and the air outlet end of the air pump is communicated with the air inlet end of the soft vent pipe.

The driving box is internally provided with a GPS device, an audio playing device and an alarm device, wherein the alarm device comprises an alarm and an alarm indicator light.

The power supply device can be set as a lithium battery pack, a power supply button and a plurality of operation keys are arranged on the operation panel, and the signal output end of the operation panel is electrically connected with the signal input end of the control device.

The control device is internally provided with a PLC system and a control module which respectively controls the rotating motor, the air pump, the GPS device, the audio playing device and the alarm device.

The handheld harvester manufactured by the technical scheme of the invention is convenient to carry and suitable for being used in regions with narrow areas, the arranged harvesting device can manually adjust the position of the harvesting blade, the blade can be arranged in the handheld harvester when the handheld harvester is not used, the arranged manual adjusting and protecting device can protect the harvesting device when the handheld harvester is not used, and in addition, the handheld harvester is provided with an anti-theft device, a lighting lamp, an audio playing device for increasing entertainment and heat dissipation of shoulder straps, so that the functions of the traditional handheld harvester are increased.

Drawings

FIG. 1 is a schematic view of the overall structure of a hand-held harvester according to the invention;

FIG. 2 is a partial schematic view of the harvesting apparatus of the present invention;

FIG. 3 is a schematic view of the screw position structure according to the present invention;

FIG. 4 is a schematic view of the inner cavity structure of the rectangular slider according to the present invention;

FIG. 5 is a schematic view of the manually adjustable guard of the present invention;

FIG. 6 is a schematic view of the manual steering adjustment apparatus of the present invention;

in the figure, 1, a workbench; 2. a hand-held wand; 3. a handle is held by hand; 4. shoulder straps; 5. a drive assembly; 6. a hollow groove; 7. a rotating electric machine; 8. a harvesting device; 9. a cross-shaped fixing frame; 10. a rectangular chute; 11. a rectangular slider; 12. a first return spring; 13. harvesting the blade; 14. a long groove; 15. a second return spring; 16. positioning pins; 17. positioning holes; 18. a threaded through hole; 19. a screw; 20. a cross-shaped rotating frame; 21. a pull wire; 22. a hollow drive shaft; 23. a first arc-shaped protection plate; 24. a manually adjustable guard; 25. an arc-shaped chute; 26. an interlayer; 27. an arc-shaped sliding block; 28. a second arc-shaped protection plate; 29. a third return spring; 30. rotating the rod; 31. a steel wire; 32. rotating the rod fastener; 33. a manual steering adjustment device; 34. a fixed seat; 35. supporting the upright post; 36. a steel ball body; 37. caulking grooves; 38. a screw hole; 39. tightening the screw; 40. a disc-shaped turret; 41. a driving box body; 42. a power supply device; 43. a control device; 44. an operation panel; 45. an air pump.

Detailed Description

The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1-6, a hand-held harvester comprises a workbench 1, a hand-held rod 2, a hand-held handle 3, a shoulder strap 4 and a driving component 5, wherein a hollow groove 6 is formed in the middle of an inner cavity of the workbench 1, a rotating motor 7 with a vertically downward rotating shaft is arranged in the hollow groove 6, a harvesting device 8 is arranged below the workbench 1, the harvesting device 8 comprises a cross-shaped fixed frame 9, a rectangular sliding chute 10 with a certain length which is formed in the four end parts above the cross-shaped fixed frame 9 and is respectively formed along the length direction of the cross-shaped fixed frame, a rectangular sliding block 11 which is respectively arranged in the rectangular sliding chute 10 and can slide along the length direction of the rectangular sliding chute 10, a return spring 12 which is respectively arranged between the inner side end of the rectangular sliding block 11 along the sliding direction and the inner bottom end of the rectangular sliding chute 10, and a harvesting, Rectangular slider 11 inner chamber and along its length direction both ends respectively open some degree of depth's microscler recess 14, stiff end and microscler recess 14 inner bottom fixed connection's reset spring two 15, two 15 flexible end connection's of reset spring locating pin 16, rectangular chute 10 outside end and along its width direction both sides inner chamber respectively open locating hole 17, cross mount 9 middle part open some screw through-hole 18, twist screw 19 that screw through-hole 18 stretches out, cross rotating turret 20 that screw 19 lower tip was equipped with and the pull wire 21 that is equipped with respectively between screw 19 upper end and the locating pin 16 constitute, cross mount 9 middle part with be equipped with hollow transmission shaft 22 between the rotating electrical machines 7 rotation axis, 1 lower extreme rear side is equipped with arc protection board one 23, arc protection board one 23 medial extremity is equipped with manual regulation formula protector 24, manual regulation formula protector 24 is by arc protection board 23 medial extremity middle part and along its arc side square An arc-shaped sliding groove 25, an interlayer 26 arranged in the middle of the arc-shaped sliding groove 25 along the length direction, an arc-shaped sliding block 27 which is arranged in the arc-shaped sliding groove 25 and is capable of sliding along the length direction of the arc-shaped sliding groove 25 and is positioned on two sides of the position of the interlayer 26, an arc-shaped protection plate two 28 which is arranged on the inner side end of the arc-shaped protection plate one 23 and is fixedly connected with the arc-shaped sliding block 27, a reset spring three 29 which is arranged between the arc-shaped sliding block 27 and the interlayer 26 and is arranged along the length direction of the arc-shaped sliding groove 25, a rotating rod 30 arranged on one side of the lower end of the handheld rod 2, a steel wire 31 arranged between the rotating rod 30 and the arc-shaped sliding block 27, rotating rod fasteners 32 arranged on two sides of the lower end of the handheld rod 2 and positioned on the position of the rotating rod 30, a manual steering adjusting device 33 arranged between the workbench 1 and the handheld, The middle part of the upper end of the workbench 1 is provided with a supporting upright post 35, the upper end of the supporting upright post 35 is provided with a steel ball 36, an inner cavity of the lower end of the fixed seat 34 is provided with an embedded groove 37 which can be used for embedding the steel ball 36, one end of the fixed seat 34 is provided with a screw hole 38 which is communicated with the embedded groove 37, a set screw 39 which is screwed into the screw hole 38 and a disc-shaped rotating frame 40 which is arranged at the outer end part of the set screw 39; the hand-held harvester according to claim 1, wherein the positioning pin 16 can be inserted into the positioning hole 17, the cross-sectional aperture of the hollow transmission shaft 22 is larger than that of the screw rod 19, the screw-in end of the screw rod 19 is inserted into the inner cavity of the hollow transmission shaft 22, the pull wires 21 respectively penetrate through the outer side wall of the lower end of the hollow transmission shaft 22 and are connected with the upper end of the screw rod 19, and the pull wires 21 are made of a metal material with high tensile strength; the cross section of the first arc-shaped protection plate 23 is in a semi-circular arc shape, the cross section of the second arc-shaped protection plate 28 is in an 1/4 circular arc shape, the two side ends of the arc-shaped sliding chute 25 in the length direction are respectively provided with a stop block, the arc-shaped sliding block 27 is fixedly connected with the end part of the inner side end of the second arc-shaped protection plate 28, and when the return spring III 29 is in a natural state, the arc-shaped sliding block 27 just touches the stop blocks; the steel ball 36 is embedded into the embedded groove 37, the steel ball 36 and the embedded groove 37 can rotate freely, but the lower end of the embedded groove 37 can be provided with a protective component for preventing the steel ball 36 from falling out, and the set screw 39 is threaded into the embedded groove 37 through the screw hole 38; the outer part of the handheld handle 3 can be sleeved with sweat-absorbent cotton, and one side of the upper end part of the handheld rod 2 can be provided with a lighting lamp; the driving assembly 5 is composed of a driving box body 41 arranged at the rear end of the handheld rod 2, a power supply device 42 and a control device 43 arranged in the driving box body 41, and an operation panel 44 arranged on one side of the upper end of the handheld rod 2; the shoulder strap 4 can be hollow and provided with a plurality of first heat dissipation holes, a soft vent pipe can be arranged in the shoulder strap 4, a plurality of second heat dissipation holes are formed in the soft vent pipe, an air suction pump 45 can be arranged in the driving box body 41, and the air outlet end of the air suction pump 45 is communicated with the air inlet end of the soft vent pipe; a GPS device, an audio playing device and an alarm device are additionally arranged in the driving box body 41, and the alarm device comprises an alarm and an alarm indicator light; the power supply device 42 can be a lithium battery pack, the operation panel 44 is provided with a power button and a plurality of operation keys, and the signal output end of the operation panel 44 is electrically connected with the signal input end of the control device 43; a PLC system and a control module for respectively controlling the rotating motor 7, the air pump 45, the GPS device, the audio playing device and the alarm device are arranged in the control device 43.

The invention is characterized in that the invention comprises a workbench, a handheld rod, a handheld handle, a shoulder strap and a driving component, wherein the middle part of the inner cavity of the workbench is provided with a hollow groove, a rotating motor with a rotating shaft vertically downwards is arranged in the hollow groove, a harvesting device is arranged below the workbench, the harvesting device comprises a cross-shaped fixed frame, a rectangular sliding groove with a certain length which is arranged at the four ends above the cross-shaped fixed frame and respectively arranged along the length direction of the cross-shaped fixed frame, a rectangular sliding block which is respectively arranged in the rectangular sliding groove and can slide along the length direction of the rectangular sliding groove, a first return spring which is respectively arranged between the inner end of the rectangular sliding block along the sliding direction and the inner bottom end of the rectangular sliding groove, a harvesting blade which is respectively fixedly arranged at the outer end of the rectangular sliding block along the sliding direction, a long groove with a certain depth which is respectively arranged at the two ends of the inner cavity, A positioning pin connected with two telescopic ends of a reset spring, a positioning hole respectively formed at the outer end part of the rectangular chute along the inner cavities at two sides of the rectangular chute in the width direction, a thread through hole formed in the middle part of the cross-shaped fixing frame, a screw rod extending from the thread through hole and screwed in, a cross-shaped rotating frame arranged at the lower end part of the screw rod and a traction line respectively arranged between the upper end part of the screw rod and the positioning pin, a hollow transmission shaft is arranged between the middle part of the cross-shaped fixing frame and a rotating shaft of the rotating motor, a first arc-shaped protection plate is arranged at the rear side of the lower end of the workbench, a manual adjusting type protection device is arranged at the inner side end of the first arc-shaped protection plate and is an arc-shaped chute arranged in the middle part of the inner side of the arc-shaped protection plate in the, An arc-shaped protection plate II which is arranged at the inner side end of the arc-shaped protection plate and is respectively fixedly connected with the arc-shaped sliding block, a reset spring III which is respectively arranged between the arc-shaped sliding block and the interlayer along the length direction of the arc-shaped sliding groove, a rotating rod which is arranged at one side of the lower end part of the handheld rod, a steel wire which is respectively arranged between the rotating rod and the arc-shaped sliding block, and rotating rod fasteners which are respectively arranged at the lower end part of the handheld rod and are positioned at two sides of the position of the rotating rod, a manual steering adjusting device which is arranged between the workbench and the handheld rod, the manual steering adjusting device comprises a fixed seat which is fixedly arranged at the lower end part of the handheld rod and inclines for a certain angle, a supporting upright column which is arranged at the middle part of the upper end of the workbench, a steel ball body which is arranged at the upper end of the supporting upright column, an embedded groove which, this kind of hand-held type harvester portable is applicable to the region use that the area is narrow and small, and the harvesting device that is equipped with can the position of manual regulation harvesting blade, can embed the blade when equipment does not use, and the manual regulation protector that is equipped with can protect harvesting device when equipment does not use, in addition for being equipped with anti-theft device, light, being used for increasing recreational audio playback device and the heat dissipation that shoulders, increases the function of traditional hand-held type harvester.

In the invention, the shoulder belt is sleeved on the shoulder of a human body, the handle is held by the hand of the human body, and the driving assembly controls the whole operation of the equipment. The cross-shaped rotating frame is operated manually, the screw rod is driven to be screwed into or out of the threaded through hole, the rectangular sliding block can be driven to move backwards or forwards through the cooperative operation of the traction wire and the first reset spring, and when the rectangular sliding block moves forwards, the positioning pin can be inserted into the positioning hole, so that the position fixing of the rectangular sliding block is realized; when the pull wire drives the positioning pin to move backwards, the rectangular sliding block can be moved backwards. The rotating motor can drive the cross-shaped fixing frame to rotate through the hollow transmission shaft, and harvesting blades are harvested. The rear side of the lower end of the workbench is provided with a first arc-shaped protection plate, the rotating rod is controlled to turn manually, and the second arc-shaped protection plate can be unfolded and contracted under the combined action of a third reset spring and a steel wire. A manual steering adjusting device is arranged between the workbench and the handheld rod, and a fastening screw can penetrate through a screw hole and be screwed into the caulking groove by manually operating the disc-shaped rotating frame, so that the position and the direction of the steel ball body are fixed. The GPS device and the alarm device play a role in theft prevention, and the audio playing device can improve entertainment when people work.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The utility model provides a hand-held type harvester, includes workstation (1), handheld pole (2), handheld (3), baldric (4) and drive assembly (5), its characterized in that, workstation (1) inner chamber middle part is opened hollow groove (6) just be equipped with vertical decurrent rotating electrical machines of rotation axis (7) in hollow groove (6), workstation (1) below is equipped with reaping apparatus (8), reaping apparatus (8) are by cross mount (9), cross mount (9) top four tip and respectively along its length direction open some length's rectangle spout (10), locate respectively in rectangle spout (10) and can follow the gliding rectangle slider (11), the rectangle slider (11) of rectangle spout (10) length direction along its slip direction medial extremity and reset spring (12) that are equipped with respectively between rectangle spout (10) the inner bottom end, A harvesting blade (13) fixedly arranged at the outer side end of the rectangular sliding block (11) along the sliding direction, a long groove (14) with a certain depth respectively arranged at the two ends of the inner cavity of the rectangular sliding block (11) along the length direction, a second reset spring (15) fixedly connected with the fixed end and the inner bottom end of the long groove (14), a positioning pin (16) connected with the telescopic end of the second reset spring (15), a positioning hole (17) respectively arranged at the outer side end of the rectangular sliding chute (10) along the inner cavity at the two sides of the width direction, a threaded through hole (18) arranged at the middle part of the cross-shaped fixing frame (9), a screw rod (19) screwed into the threaded through hole (18) to extend out, a cross-shaped rotating frame (20) arranged at the lower end part of the screw rod (19) and a traction line (21) respectively arranged between the upper end part of the screw rod (19) and the positioning pin (16), a hollow transmission, workstation (1) lower extreme rear side is equipped with arc protection plate (23), arc protection plate (23) medial extremity is equipped with manual regulation formula protector (24), manual regulation formula protector (24) by arc protection plate (23) medial extremity middle part just follows its arc direction and opens arc spout (25) that have, and arc spout (25) are followed interlayer (26) that its length direction middle part was equipped with, arc spout (25) are interior and lie in interlayer (26) position both sides and be equipped with respectively can follow the gliding arc slider (27) of arc spout (25) length direction, locate between arc protection plate (23) medial extremity and respectively with arc slider (27) fixed connection's arc protection plate two (28), arc slider (27) and interlayer (26) and along three reset spring (29) that arc spout (25) length direction was equipped with respectively, Wire line (31) that are equipped with respectively between dwang (30), dwang (30) and the arc slider (27) that tip one side was equipped with under handheld pole (2) and dwang fastener (32) that tip just is located dwang (30) position both sides and is equipped with respectively constitute under handheld pole (2), workstation (1) with be equipped with manual steering adjusting device (33) between handheld pole (2), manual steering adjusting device (33) are by fixed fixing base (34) that are equipped with of tip and certain angle of slope under handheld pole (2), screw (38) of intercommunication caulking groove (37) that workstation (1) upper end middle part was equipped with, steel spheroid (36) that support upright (35) upper end was equipped with, fixing base (34) lower extreme inner chamber were opened and were used for caulking groove (37) of steel spheroid (36) embedding, fixing base (34) one end was opened and was had, A set screw (39) screwed into the screw hole (38) and a disc-shaped rotating frame (40) arranged at the outer end part of the set screw (39).

2. The hand-held harvester according to claim 1, wherein the positioning pin (16) is insertable into the positioning hole (17), the cross-sectional aperture of the hollow transmission shaft (22) is larger than that of the screw (19), the screwing end of the screw (19) is inserted into the inner cavity of the hollow transmission shaft (22), the pulling wires (21) respectively penetrate through the outer side wall of the lower end of the hollow transmission shaft (22) to be connected with the upper end of the screw (19), and the pulling wires (21) are made of a metal material with high tensile strength.

3. The hand-held harvester according to claim 1, wherein the cross section of the first arc-shaped protection plate (23) is in a semi-circular arc shape, the cross section of the second arc-shaped protection plate (28) is in a 1/4 circular arc shape, the two ends of the arc-shaped sliding chute (25) in the length direction are respectively provided with a stop, the arc-shaped sliding block (27) is fixedly connected with the end part of the inner side end of the second arc-shaped protection plate (28), and when the third return spring (29) is in a natural state, the arc-shaped sliding block (27) just touches the stop.

4. A hand-held harvester according to claim 1, characterised in that the steel ball (36) is embedded in the slot (37), the steel ball (36) and the slot (37) are freely rotatable but the lower end of the slot (37) is provided with a guard for preventing the steel ball (36) from falling out, and the set screw (39) is screwed into the slot (37) through the screw hole (38).

5. The hand-held harvester according to claim 1, characterized in that the outside of the handle (3) can be covered with sweat-absorbent cotton, and one side of the upper end of the hand-held rod (2) can be provided with a lighting lamp.

6. The hand-held harvester according to claim 1, wherein the driving assembly (5) is composed of a driving box body (41) arranged at the rear end of the hand-held rod (2), a power supply device (42) and a control device (43) arranged in the driving box body (41), and an operation panel (44) arranged on one side of the upper end of the hand-held rod (2).

7. The hand-held harvester according to claim 1, wherein the shoulder strap (4) is hollow and has a first plurality of heat dissipating holes, the shoulder strap (4) has a soft vent pipe, and the soft vent pipe has a second plurality of heat dissipating holes, the driving box (41) has a suction pump (45) therein, and the outlet of the suction pump (45) is communicated with the inlet of the soft vent pipe.

8. The hand-held harvester according to claim 1, wherein a GPS device, an audio playing device and an alarm device are additionally arranged in the driving box body (41), and the alarm device comprises an alarm and an alarm indicator light.

9. The hand-held harvester according to claim 1, wherein the power supply unit (42) is configured as a lithium battery pack, the operation panel (44) is provided with a power button and a plurality of operation keys, and the signal output end of the operation panel (44) is electrically connected with the signal input end of the control unit (43).

10. The hand-held harvester according to claim 1, wherein a PLC system and a control module for respectively controlling the rotating motor (7), the air pump (45), the GPS device, the audio playing device and the alarm device are arranged in the control device (43).