CN110366942B - Multi-working-head handheld semi-mechanized sisal hemp harvesting machine - Google Patents
Multi-working-head handheld semi-mechanized sisal hemp harvesting machine Download PDFInfo
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- CN110366942B CN110366942B CN201910823040.9A CN201910823040A CN110366942B CN 110366942 B CN110366942 B CN 110366942B CN 201910823040 A CN201910823040 A CN 201910823040A CN 110366942 B CN110366942 B CN 110366942B
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- 244000198134 Agave sisalana Species 0.000 title claims abstract description 48
- 235000011624 Agave sisalana Nutrition 0.000 title claims abstract description 47
- 238000003306 harvesting Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 108
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000003287 optical effect Effects 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 description 9
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/06—Harvesting of standing crops of flax or similar fibrous plants
- A01D45/065—Harvesting of standing crops of flax or similar fibrous plants of fibrous plants other than flax, e.g. ramie, sisal, hemp, jute, Spanish grass, raffia
Abstract
The invention discloses a multi-working-head handheld semi-mechanized sisal hemp harvester which comprises a movable gasoline engine power system, a flexible transmission shaft and a cutting working head, wherein the movable gasoline engine power system is connected with the cutting working head through the flexible transmission shaft; the movable gasoline engine power system comprises a movable trolley and a gasoline engine arranged in the trolley, wherein one side of the gasoline engine is provided with a power shaft, the middle of the power shaft is provided with a cylindrical roller bearing A and a bearing seat A, a first driving conical gear is fixedly connected to the power shaft, one side of the first driving conical gear is provided with a first driven conical gear, the center of the first driven conical gear is fixedly connected with an optical axis, the optical axis is provided with a cylindrical roller bearing B and a bearing seat B, and the cutting working head comprises a cutting upper machine body, a cutting lower machine body and a cutting blade. The invention replaces the hand to harvest sisal hemp leaves with semi-mechanization, greatly reduces the labor intensity of harvest, improves the harvest efficiency and promotes the development of sisal hemp industry.
Description
Technical Field
The invention belongs to the technical field of agricultural mechanical equipment, and particularly relates to a multi-working-head handheld semi-mechanized sisal hemp harvesting machine.
Background
Sisal hemp is a perennial tropical hard leaf fiber crop, and is the most widely used hard fiber in the world today. Sisal fiber has the advantages of no environmental pollution, difficult generation of static electricity and the like, is widely applied to various industries such as machinery manufacturing industry, transportation, fishery, petroleum, metallurgy and the like, and has important economic value. At present, sisal hemp harvesting and cutting in the world is seriously finished by manual cutting, the long-time operation efficiency is very low, and for the first and second sisal hemp with high harvesting and cutting difficulty, the manual operation environment condition and the severe condition of the first and second sisal hemp are required to finish the harvesting and cutting actions manually in the posture of lying on the body of the user, and meanwhile, the sisal hemp industry is greatly impacted due to the current situations of serious ageing trend of labor population and severe and shortage of labor force in tropical regions. Based on the method, in order to break through the technical bottleneck, a sisal hemp harvesting machine with improved operation efficiency needs to be designed, and a transitional period yield guarantee is provided for realizing full-mechanized harvesting of sisal hemp leaves.
Disclosure of Invention
The invention aims to overcome the defects of the existing sisal hemp cutting technology, and provides a multi-working-head handheld semi-mechanized sisal hemp cutting machine, which can replace manual cutting and accelerate the development process of converting manual cutting into full-mechanized cutting.
The invention is realized by the following technical scheme:
the hand-held semi-mechanized sisal hemp harvester comprises a movable gasoline engine power system, a flexible transmission shaft and a cutting working head, wherein the movable gasoline engine power system is connected with the cutting working head through the flexible transmission shaft; the movable gasoline engine power system comprises a movable trolley and a gasoline engine arranged in the trolley, wherein one side of the gasoline engine is provided with a power shaft, the middle part of the power shaft is provided with a cylindrical roller bearing A and a bearing seat A, the cylindrical roller bearing A supports the power shaft through the bearing seat A, and the bottom of the cylindrical roller bearing A is fixedly connected with a trolley body of the movable trolley; the power shaft is fixedly connected with a first driving conical gear, one side of the first driving conical gear is provided with a first driven conical gear, the first driving conical gear is meshed with the first driven conical gear, the center of the first driven conical gear is fixedly connected with an optical axis, a cylindrical roller bearing B and a bearing seat B are arranged on the optical axis, the cylindrical roller bearing B supports the optical shaft through the bearing seat B, and the bottom of the cylindrical roller bearing B is fixedly connected with a vehicle body of the mobile trolley; the other end of the optical axis is fixedly connected with one end of the flexible transmission shaft through a first coupler; the other end of the flexible transmission shaft is connected with a cutting working head; the cutting working head comprises a cutting upper machine body, a cutting lower machine body and a cutting blade; the cutting machine body is symmetrical to the cutting machine body in structure, the cutting machine body is fixedly covered on the cutting machine body through a first bolt to form a shell of a cutting working head, the shell comprises a handle, a gear box and a sleeve which are sequentially connected, and the cutting blade is fixedly arranged at the end part of the sleeve.
The invention further solves the technical problem that a second driving conical tooth, a second driven conical gear and a converter are arranged in the gear box; the middle part of the second driving conical gear is fixedly connected with a rotating shaft, the rotating shaft penetrates through the gear box and stretches into the handle, a cylindrical roller bearing C and a bearing seat C are arranged on the rotating shaft, and the cylindrical roller bearing C is fixedly connected with the inner walls of the cutting upper machine body and the cutting lower machine body through the bearing seat C; the second driven conical gear is arranged on one side of the second driving conical gear and meshed with the second driving conical gear, the lower surface of the second driven conical gear is fixedly connected with the inner wall of the lower cutting machine body through a screw, and the second driven conical gear can do circular motion around the screw; the upper surface of the second driven conical gear is provided with a round pin, and the converter is fixedly connected to the round pin and rotates together with the second driven conical gear; the handle is internally provided with a second coupler, and the other end of the flexible transmission shaft extends into the handle and is fixedly connected with one end of a rotating shaft extending into the handle through the second coupler; the sleeve is internally provided with a sliding block and a regulator, one end of the sliding block extends into the gear box to be fixedly connected with one side of the converter, the converter drives the sliding block to horizontally reciprocate in the sleeve when rotating along with the second driven conical gear, the other end of the sliding block is provided with the regulator, and the other end of the regulator is fixedly connected with the cutting blade.
The invention further solves the technical problem that the regulator is of a square structure, the two ends of the regulator are respectively provided with a first groove and a second groove, the end part of the sliding block is inserted into the first groove and fixedly connected with the regulator, the end part of the cutting blade is inserted into the second groove and fixedly connected with the regulator, and the mouth part of the second groove is provided with a second bolt which is fixedly connected with the cutting blade.
The invention further solves the technical problem that the bottom of the converter is provided with a U-shaped groove, and the end part of the round pin is inserted into the U-shaped groove to be fixedly connected with the converter.
The invention further solves the technical problem that the first driving conical gear is provided with two groups and is symmetrically arranged on a power shaft along the cylindrical roller bearing A; the first driven conical gears are provided with four groups, each group of first driving conical gears and two groups of first driven conical gearsWheelCorrespondingly, the two groups of first driven bevel gears are arranged along the first edgeAnd two sides of a driving conical gear are symmetrically arranged.
The invention further solves the technical problem that the axis of the first driving conical gear is mutually perpendicular to the axis of the first driven conical gear; the axis of the second driving conical gear is perpendicular to the axis of the second driven conical gear.
The invention further solves the technical problem that the end part of the sleeve is also provided with a protection device, and the protection device comprises a fixing part, a blocking part and a connecting platform; the fixing parts are provided with two groups, one ends of the two groups of fixing parts are fixedly connected with the upper surface of the sleeve, the two groups of fixing parts are arranged in parallel along the upper surface of the sleeve, the other ends of the fixing parts extend out of the sleeve and are fixedly connected with one end of the blocking part, the blocking part is vertically downwards parallel to the end surface of the sleeve, the other ends of the blocking parts are provided with connecting platforms, and the two groups of blocking parts are connected by the connecting platforms; the cutting tool is arranged above the connecting platform and is positioned between the two groups of blocking parts.
The invention further solves the technical problem that the cutting edge of the cutting tool is in a downward bending shape, and the direction of the cutting edge is opposite to the direction of the sleeve.
Compared with the prior art, the invention has the following advantages:
according to the multi-working-head handheld semi-mechanized sisal hemp cutting machine, a movable gasoline engine power system is adopted, a plurality of power output shafts are arranged in the movable gasoline engine power system, so that cutting work can be carried out by a plurality of persons at the same time, and the working efficiency is improved; the flexible transmission shaft can realize free bending, so that sisal hemp blades with different angles can be cut more conveniently and rapidly; the inside of the cutting working head is in a horizontal movement mode of the sliding block, so that an operator can cut the first knife and the second knife and the hemp blades more conveniently without kneeling or squatting on the ground; the cutting edge of the cutter is bent towards the inner side, and the protection device is arranged, so that other sisal hemp blades are prevented from being damaged during cutting. The invention replaces the hand to harvest sisal hemp leaves with semi-mechanization, greatly reduces the labor intensity of harvest, improves the harvest efficiency and promotes the development of sisal hemp industry.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the power system of the mobile gasoline engine of the present invention.
Fig. 3 is a front view of the cutting head of the present invention.
Fig. 4 is a cross-sectional view taken along the direction A-A in fig. 3.
Fig. 5 is a top view of the cutting head of the present invention.
Fig. 6 is a sectional view in the direction B-B of fig. 5.
Fig. 7 is a schematic structural diagram of the converter according to the present invention.
FIG. 8 is a schematic diagram of a regulator according to the present invention
Fig. 9 is a schematic structural view of the protection device of the present invention.
In the figure, the serial number is 1, a power system of the mobile gasoline engine; 2. a flexible drive shaft; 3. cutting the working head; 101. a mobile cart; 102. a gasoline engine; 103. a power shaft; 104. a cylindrical roller bearing A; 105. a bearing seat A; 106. a first drive cone gear; 107. a first driven conical gear; 108. an optical axis; 109. a cylindrical roller bearing B; 110. a bearing seat B; 111. a first coupling; 30. a housing; 31. cutting the upper machine body; 32. cutting down the machine body; 33. a cutting blade; 34. a first bolt; 35. a protection device; 301. a handle; 302. a gear box; 303. a sleeve; 3011. a second coupling; 3021. a second active cone tooth; 3022. a second driven bevel gear; 3023. a converter; 3024. a rotating shaft; 3025. a cylindrical roller bearing C; 3026. a bearing seat C; 3027. a screw; 3028. round pins; 3031. a slide block; 3032. a regulator; 3032-1, a first recess; 3032-2, a second groove; 3032-3, a second bolt; 3023-1, U-shaped grooves; 351. a fixing part; 352. a blocking portion; 353. and connecting the platform.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to the hand-held semi-mechanized sisal hemp harvester with multiple working heads shown in fig. 1, the semi-mechanized sisal hemp harvester comprises a movable gasoline engine power system 1, a flexible transmission shaft 2 and a cutting working head 3, wherein the movable gasoline engine power system 1 is connected with the cutting working head 3 through the flexible transmission shaft 2;
referring to fig. 2, the mobile gasoline engine power system 1 includes a mobile trolley 101 and a gasoline engine 102 disposed in the trolley, wherein a power shaft 103 is disposed on one side of the gasoline engine 102, a cylindrical roller bearing a104 and a bearing seat a105 are disposed in the middle of the power shaft 103, the cylindrical roller bearing a104 supports the power shaft 103 through the bearing seat a105, and the bottom of the cylindrical roller bearing a104 is fixedly connected with a vehicle body of the mobile trolley 101; the power shaft 103 is fixedly connected with a first driving conical gear 106, one side of the first driving conical gear 106 is provided with a first driven conical gear 107, the first driving conical gear 106 is meshed with the first driven conical gear 107, the center of the first driven conical gear 107 is fixedly connected with an optical axis 108, the optical axis 108 is provided with a cylindrical roller bearing B109 and a bearing seat B110, the cylindrical roller bearing B109 supports the optical axis 108 through the bearing seat B110, and the bottom of the cylindrical roller bearing B109 is fixedly connected with a vehicle body of the mobile trolley 101; the other end of the optical axis 108 is fixedly connected with one end of the flexible transmission shaft 2 through a first coupler 111; the other end of the flexible transmission shaft 2 is connected with a cutting working head 3; preferably, the power system can also be a diesel power system or an electric power system, the power output shaft part can be provided with a plurality of power output shafts according to the working requirement, and the power output shafts can be connected through a transmission connecting mechanism suitable for high-speed rotation, such as gears or belts; the flexible transmission shaft realizes sisal hemp harvesting work which can be more suitable for being carried out in a sisal hemp intensive planting area or a narrow sisal hemp planting area, so that the labor intensity of workers is reduced, and when sisal hemp harvesting in one area is finished, workers can push a machine to enter the next area for harvesting work;
referring to fig. 3 and 5, the cutting head 3 includes a cutting upper body 31, a cutting lower body 32, and a cutting blade 33; the upper cutting machine body 31 and the lower cutting machine body 32 are structurally symmetrical, the upper cutting machine body 31 is fixedly covered on the lower cutting machine body 32 through a first bolt 34 to form a shell 30 of a cutting working head, the shell 30 comprises a handle 301, a gear box 302 and a sleeve 303 which are sequentially connected, and the cutting blade 33 is fixedly arranged at the end part of the sleeve 303.
Referring to fig. 4 and 6, in the present embodiment, a second driving conical gear 3021, a second driven conical gear 3022 and a converter 3023 are disposed in the gear box 302; the middle part of the second driving conical gear 3021 is fixedly connected with a rotating shaft 3024, the rotating shaft 3024 passes through the gear box 302 and stretches into the handle 301, a cylindrical roller bearing C3025 and a bearing seat C3026 are arranged on the rotating shaft 3024, and the cylindrical roller bearing C3025 is fixedly connected with the inner walls of the cutting upper body 31 and the cutting lower body 32 through the bearing seat C3026; the second driven bevel gear 3022 is disposed on one side of the second driving bevel gear 3021, and is meshed with the second driving bevel gear 3021, the lower surface of the second driven bevel gear 3022 is fixedly connected with the inner wall of the lower cutting machine body 32 through a screw 3027, and the second driven bevel gear 3022 can perform circular motion around the screw 3027; the upper surface of the second driven bevel gear 3022 is provided with a round pin 3028, and the converter 3023 is fixedly connected to the round pin 3028 and rotates together with the second driven bevel gear 3022; the handle 301 is internally provided with a second coupling 3011, the other end of the flexible transmission shaft 2 extends into the handle 301, and is fixedly connected with one end of a rotating shaft 3024 extending into the handle through the second coupling 3011; a sliding block 3031 and a regulator 3032 are arranged in the sleeve 303, one end of the sliding block 3031 extends into the gear box 302 to be fixedly connected with one side of the converter 3023, the converter 3023 drives the sliding block 3031 to horizontally reciprocate in the sleeve 303 when rotating along with the second driven bevel gear 3022, the regulator 3032 is arranged at the other end of the sliding block 3031, and the other end of the regulator 3032 is fixedly connected with the cutting blade 33; when the rotary cutter works, power generated by the gasoline engine is transmitted to the first driving conical gear through the power shaft, the first driven conical gear is meshed with the first driving conical gear and changes the transmission direction of the power, the first driven conical gear drives the flexible transmission shaft to rotate through the first coupler, the flexible transmission shaft drives the second driving conical gear in the gear box to rotate through the second coupler, the second driven conical gear is meshed with the second driving conical gear and changes the transmission direction of the power, a round pin on the second driven conical gear moves along with the circular motion, the converter is connected with the round pin, the circular motion of the round pin drives the converter to do reciprocating linear motion, one side of the converter is connected with the sliding block, the other end of the sliding block is connected with the regulator, and the regulator is connected with the cutting blade through the second bolt, so that the rotation shaft motion of the round pin is finally converted into the reciprocating linear motion of the cutter, and reciprocating cutting of the sisal hemp blade is realized.
Referring to fig. 8, in this embodiment, the regulator 3032 has a square structure, two ends of the regulator 3032 are respectively provided with a first groove 3032-1 and a second groove 3032-2, the end of the slider 3031 is inserted into the first groove 3032-1 and fixedly connected with the regulator 3032, the end of the cutting blade 33 is inserted into the second groove 3032-2 and fixedly connected with the regulator 3032, and the mouth of the second groove 3032-2 is provided with a second bolt 3032-3 for fixedly connecting with the cutting blade 33.
Referring to fig. 7, in this embodiment, a U-shaped groove 3023-1 is formed at the bottom of the converter 3023, and the end of the round pin 3028 is inserted into the U-shaped groove 3023-1 and fixedly connected to the converter 3023.
In this embodiment, two groups of first driving bevel gears 106 are symmetrically disposed on the power shaft 103 along the cylindrical roller bearing a 104; the first driven conical gears 107 are provided with four groups, each group of first driving conical gears 106 corresponds to two groups of first driven conical gears 107, and the two groups of first driven conical gears 107 are symmetrically arranged along two sides of the first driving conical gears 106. Wherein the axis of the first driving conical gear 106 is perpendicular to the axis of the first driven conical gear 107; the axis of the second driving bevel gear 3021 is perpendicular to the axis of the second driven bevel gear 3022.
Referring to fig. 9, in order to prevent cutting other blades, a protecting device 35 is further provided at the end of the sleeve 303, and the protecting device 35 includes a fixing portion 351, a blocking portion 352 and a connection platform 353; the fixing parts 351 are provided with two groups, one ends of the two groups of fixing parts 351 are fixedly connected with the upper surface of the sleeve 303, the two groups of fixing parts 351 are arranged in parallel along the upper surface of the sleeve 303, the other ends of the fixing parts 351 extend out of the sleeve 303 and are fixedly connected with one end of the blocking part 352, the blocking part 352 is vertically downwards parallel to the end surface of the sleeve 303, the other ends of the blocking parts 352 are provided with connecting platforms 353, and the connecting platforms 353 are used for connecting the two groups of blocking parts 352; the cutting tool 33 is disposed above the connection platform 353 and between the two sets of blocking portions 352, the cutting edge of the cutting tool 33 is in a downward curved shape, the direction of the cutting edge is opposite to the direction of the sleeve 303, the protection device blocks other sisal hemp blades which do not need to be cut during cutting, and the cutting tool is in a downward curved shape, so that the upper and surrounding sisal hemp blades are not damaged during cutting.
The specific working process of the invention comprises the following steps:
when sisal hemp blade picking is required, a movable gasoline engine power system and related accessory devices are moved to a picking area, an operator installs a cutting tool on a sisal hemp cutting regulator 3032, a gasoline engine 102 is started, a hand is held by a hand to hold a hand-held handle 301, a hand is held by a flexible transmission shaft 2, under the condition that the tool performs high-speed reciprocating motion, the sisal hemp blade is cut off from 3 cm to 5 cm away from a sisal hemp base body, when the cutter performs high-level blade is cut, the lower-level blade is cut firstly, then the upper surface is cut to the lower surface when a single blade is cut, other sisal hemp blades which do not need to be cut are blocked by a protection device 35, the edge of a cutting tool 33 is in a downward bent shape, and the upper and surrounding sisal hemp blades are not damaged when the cutter is cut, so that semi-mechanized of sisal hemp blade picking is realized, and the operator continuously repeats the actions above to finish sisal hemp blade picking. When the sisal hemp blades with different angles are encountered, an operator can realize the angle between the cutting machine and the sisal hemp blade to be cut only by adjusting the flexible transmission shaft 2, and then the cutting steps are repeated. If multiple persons are required to perform sisal hemp cutting at the same time, only the flexible transmission shaft 2 and the cutting working head 3 are required to be installed on other output shafts of the power system of the mobile gasoline engine, and then the sisal hemp blade cutting step is performed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present invention.
Claims (5)
1. A multi-working-head handheld semi-mechanized sisal hemp harvesting machine is characterized in that: the device comprises a mobile gasoline engine power system (1), a flexible transmission shaft (2) and a cutting working head (3), wherein the mobile gasoline engine power system (1) is connected with the cutting working head (3) through the flexible transmission shaft (2);
the movable gasoline engine power system (1) comprises a movable trolley (101) and a gasoline engine (102) arranged in the trolley, wherein a power shaft (103) is arranged on one side of the gasoline engine (102), a cylindrical roller bearing A (104) and a bearing seat A (105) are arranged in the middle of the power shaft (103), the cylindrical roller bearing A (104) supports the power shaft (103) through the bearing seat A (105), and the bottom of the cylindrical roller bearing A (104) is fixedly connected with a trolley body of the movable trolley (101); the automatic transmission device is characterized in that a first driving conical gear (106) is fixedly connected to the power shaft (103), a first driven conical gear (107) is arranged on one side of the first driving conical gear (106), the first driving conical gear (106) is meshed with the first driven conical gear (107), an optical axis (108) is fixedly connected to the center of the first driven conical gear (107), a cylindrical roller bearing B (109) and a bearing seat B (110) are arranged on the optical axis (108), the cylindrical roller bearing B (109) supports the optical axis (108) through the bearing seat B (110), and the bottom of the cylindrical roller bearing B (109) is fixedly connected with a vehicle body of the mobile trolley (101); the other end of the optical axis (108) is fixedly connected with one end of the flexible transmission shaft (2) through a first coupler (111); the other end of the flexible transmission shaft (2) is connected with a cutting working head (3); the cutting working head (3) comprises a cutting upper machine body (31), a cutting lower machine body (32) and a cutting blade (33); the upper cutting machine body (31) is symmetrical to the lower cutting machine body (32) in structure, the upper cutting machine body (31) is fixedly covered on the lower cutting machine body (32) through a first bolt (34) to form a shell (30) of a cutting working head, the shell (30) comprises a handle (301), a gear box (302) and a sleeve (303) which are sequentially connected, and the cutting blade (33) is fixedly arranged at the end part of the sleeve (303);
a second driving conical gear (3021), a second driven conical gear (3022) and a converter (3023) are arranged in the gear box (302); the middle part of the second driving conical gear (3021) is fixedly connected with a rotating shaft (3024), the rotating shaft (3024) penetrates through the gear box (302) and stretches into the handle (301), a cylindrical roller bearing C (3025) and a bearing seat C (3026) are arranged on the rotating shaft (3024), and the cylindrical roller bearing C (3025) is fixedly connected with the inner walls of the cutting upper machine body (31) and the cutting lower machine body (32) through the bearing seat C (3026); the second driven conical gear (3022) is arranged on one side of the second driving conical gear (3021) and is meshed with the second driving conical gear (3021), the lower surface of the second driven conical gear (3022) is fixedly connected with the inner wall of the lower cutting machine body (32) through a screw (3027), and the second driven conical gear (3022) moves circularly around the screw (3027); the upper surface of the second driven conical gear (3022) is provided with a round pin (3028), the converter (3023) is fixedly connected to the round pin (3028) and rotates together with the second driven conical gear (3022); the handle (301) is internally provided with a second coupler (3011), the other end of the flexible transmission shaft (2) extends into the handle (301), and is fixedly connected with one end of a rotating shaft (3024) extending into the handle through the second coupler (3011); a sliding block (3031) and a regulator (3032) are arranged in the sleeve (303), one end of the sliding block (3031) extends into the gear box (302) to be fixedly connected with one side of the converter (3023), when the converter (3023) rotates along with the second driven bevel gear (3022), the sliding block (3031) is driven to horizontally reciprocate in the sleeve (303), the regulator (3032) is arranged at the other end of the sliding block (3031), and the other end of the regulator (3032) is fixedly connected with the cutting blade (33);
the regulator (3032) is of a square structure, a first groove (3032-1) and a second groove (3032-2) are respectively arranged at two ends of the regulator (3032), the end part of the sliding block (3031) is inserted into the first groove (3032-1) and fixedly connected with the regulator (3032), the end part of the cutting blade (33) is inserted into the second groove (3032-2) and fixedly connected with the regulator (3032), and a second bolt (3032-3) fixedly connected with the cutting blade (33) is arranged at the mouth part of the second groove (3032-2);
the bottom of the converter (3023) is provided with a U-shaped groove (3023-1), and the end of the round pin (3028) is inserted into the U-shaped groove (3023-1) and fixedly connected with the converter (3023).
2. The multi-working-head handheld semi-mechanized sisal hemp harvester of claim 1, wherein: the first driving conical gear (106) is provided with two groups and is symmetrically arranged on the power shaft (103) along the cylindrical roller bearing A (104); the first driven conical gears (107) are provided with four groups, each group of first driving conical gears (106) corresponds to two groups of first driven conical gears (107), and the two groups of first driven conical gears (107) are symmetrically arranged along two sides of the first driving conical gears (106).
3. The multi-working-head handheld semi-mechanized sisal hemp harvester of claim 2, wherein: the axis of the first driving conical gear (106) is perpendicular to the axis of the first driven conical gear (107); the axis of the second driving conical gear (3021) is perpendicular to the axis of the second driven conical gear (3022).
4. The multi-working-head handheld semi-mechanized sisal hemp harvester of claim 1, wherein: the end part of the sleeve (303) is also provided with a protection device (35), and the protection device (35) comprises a fixing part (351), a blocking part (352) and a connecting platform (353); the fixing parts (351) are provided with two groups, one ends of the two groups of fixing parts (351) are fixedly connected with the upper surface of the sleeve (303), the fixing parts are arranged in parallel along the upper surface of the sleeve (303), the other ends of the fixing parts (351) extend out of the sleeve (303) and are fixedly connected with one end of the blocking part (352), the blocking part (352) is vertically downwards parallel to the end surface of the sleeve (303), the other ends of the blocking parts (352) are provided with connecting platforms (353), and the connecting platforms (353) are used for connecting the two groups of blocking parts (352); the cutting blade (33) is arranged above the connecting platform (353) and is positioned between the two groups of blocking parts (352).
5. The multi-working-head handheld semi-mechanized sisal hemp harvester of claim 4, wherein: the cutting blade (33) has a downward bent shape, and the direction of the cutting blade faces the direction of the sleeve (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910823040.9A CN110366942B (en) | 2019-09-02 | 2019-09-02 | Multi-working-head handheld semi-mechanized sisal hemp harvesting machine |
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| CN201910823040.9A CN110366942B (en) | 2019-09-02 | 2019-09-02 | Multi-working-head handheld semi-mechanized sisal hemp harvesting machine |
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| CN110366942A CN110366942A (en) | 2019-10-25 |
| CN110366942B true CN110366942B (en) | 2024-03-29 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990046748A (en) * | 1999-04-21 | 1999-07-05 | 김정관 | A trimming device |
| CN2461261Y (en) * | 2000-11-10 | 2001-11-28 | 福州盈园机电研究所 | Low viberating portable cutting/irrigating machine |
| CN1360989A (en) * | 2002-01-22 | 2002-07-31 | 俞岳皋 | New-type sheet cutter |
| EP1493317A1 (en) * | 2003-07-02 | 2005-01-05 | HONDA MOTOR CO., Ltd. | Bush cutter |
| CN103650937A (en) * | 2013-12-02 | 2014-03-26 | 宁波利豪机械有限公司 | Trolley type palm tree cutting device |
| CN105379505A (en) * | 2015-12-02 | 2016-03-09 | 广西大学 | Sisal hemp harvester capable of automatically adjusting direction of cutter bit |
| CN207948175U (en) * | 2018-01-15 | 2018-10-12 | 广东江川众业机器人股份有限公司 | Sisal hemp harvester |
| CN210694978U (en) * | 2019-09-02 | 2020-06-09 | 南京林业大学 | Multi-working-head handheld semi-mechanized sisal hemp harvesting machine |
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2019
- 2019-09-02 CN CN201910823040.9A patent/CN110366942B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990046748A (en) * | 1999-04-21 | 1999-07-05 | 김정관 | A trimming device |
| CN2461261Y (en) * | 2000-11-10 | 2001-11-28 | 福州盈园机电研究所 | Low viberating portable cutting/irrigating machine |
| CN1360989A (en) * | 2002-01-22 | 2002-07-31 | 俞岳皋 | New-type sheet cutter |
| EP1493317A1 (en) * | 2003-07-02 | 2005-01-05 | HONDA MOTOR CO., Ltd. | Bush cutter |
| CN103650937A (en) * | 2013-12-02 | 2014-03-26 | 宁波利豪机械有限公司 | Trolley type palm tree cutting device |
| CN105379505A (en) * | 2015-12-02 | 2016-03-09 | 广西大学 | Sisal hemp harvester capable of automatically adjusting direction of cutter bit |
| CN207948175U (en) * | 2018-01-15 | 2018-10-12 | 广东江川众业机器人股份有限公司 | Sisal hemp harvester |
| CN210694978U (en) * | 2019-09-02 | 2020-06-09 | 南京林业大学 | Multi-working-head handheld semi-mechanized sisal hemp harvesting machine |
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| Publication number | Publication date |
|---|---|
| CN110366942A (en) | 2019-10-25 |
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