CN211090664U

CN211090664U - Single-row secondary clamping type garlic combine harvester

Info

Publication number: CN211090664U
Application number: CN201921890649.XU
Authority: CN
Inventors: 王成文; 张作坤; 王成力; 庄国安; 周美芝; 张媛
Original assignee: Xuzhou Kuka Machinery Technology Co ltd
Current assignee: Xuzhou Kuka Machinery Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-07-28
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a single-row secondary clamping type garlic combine harvester, wherein a clamping support arm is rotatably connected at the front part of a main frame, and the clamping support arm is connected with the main frame through a positive and negative buckle assembly and can adjust the vertical rotation angle of the clamping support arm; the main frame is provided with a handrail, a traveling mechanism, a hopper and a power system; the clamping support arm is provided with a limiting wheel mechanism, a clamping mechanism and a digging and taking cutter mechanism; the clamping mechanism comprises a commutator, a clamping gear box, a clamping frame, seedling discharging and poking teeth and a clamping and conveying mechanism; the clamping and conveying mechanism consists of two clamping and conveying arms with the same structure, and the clamping and conveying arms respectively comprise a clamping long plate, a clamping belt pulley and a belt tightness adjuster; the long clamping plate is formed by connecting two sections of plate bodies, an obtuse angle is formed between the two sections of plate bodies, the rear section of plate body is parallel to the clamping support arm, the front end of the front section of plate body inclines to the rear part of the limiting wheel mechanism, and the two clamping conveying arms move oppositely; the working side of the clamping belt is tensioned by a tensioning pulley.

Description

Single-row secondary clamping type garlic combine harvester

Technical Field

The utility model relates to the field of agricultural machinery, specifically provide a single file secondary centre gripping formula garlic combine.

Background

China is the country with the largest garlic planting area all over the world, but most garlic planting areas in China mainly adopt a manual harvesting mode, the labor intensity is high, the working efficiency is low, and the timely harvesting of garlic is seriously influenced. At present, the development of garlic combine harvesters in developed countries has formed a system. The countries in Europe and America mainly adopt large-scale side-mounted traction type combine harvester, which not only has high operation efficiency, but also saves a large amount of labor force, and is suitable for large-area planting mode. The existing garlic combine harvester in China also gradually moves to a practical stage aiming at the Chinese garlic planting agriculture. However, there are the following problems: (1) the garlic combine harvester is expensive abroad and domestic, the after-sale maintenance cost is high, and the purchasing power of farmers is exceeded; (2) the technical requirements on operators are high; (3) as the garlic in the main garlic production area of China is mainly planted in small plots, the use of a large harvester is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a single file secondary centre gripping formula garlic combine.

The utility model adopts the technical proposal that: a single-row secondary clamping type garlic combine comprises a main frame, wherein the front part of the main frame is rotatably connected with a clamping support arm, and the clamping support arm is connected with the main frame through a positive and negative buckle assembly and can adjust the vertical rotation angle of the clamping support arm; the handrail, the traveling mechanism, the hopper and the power system are arranged on the main frame; the clamping support arm is provided with a limiting wheel mechanism, a clamping mechanism and a digging and taking cutter mechanism; the limiting wheel mechanism is positioned at the foremost end of the clamping support arm, one side of the rear part of the limiting wheel mechanism is provided with a digging cutter mechanism, a clamping mechanism is arranged above the digging cutter mechanism, and the rear end of the clamping mechanism is positioned in a material inlet of the hopper and is provided with seedling discharging poking teeth and a seedling cutting cutter; the power system provides power for the digging and taking cutter mechanism, the clamping mechanism and the travelling mechanism; the digging and taking cutter mechanism, the clamping mechanism and the hopper are positioned on one side of the limiting wheel mechanism and can be integrally and vertically adjusted in a rotating manner on the main frame; the clamping mechanism comprises a commutator, a clamping gear box, a clamping frame, seedling discharging and poking teeth and a clamping and conveying mechanism; the clamping gear box is provided with a commutator, the commutator is in speed reduction transmission connection with the power system and transmits power to the clamping gear box; the clamping gear box is fixedly connected to the front end of the clamping support arm through a clamping fixing piece; the front end of the clamping and conveying mechanism is driven by a clamping gear box, and the tail end of the clamping and conveying mechanism is provided with a seedling discharging and poking tooth and a seedling cutting knife;

the clamping and conveying mechanism consists of two clamping and conveying arms with the same structure, and the clamping and conveying arms respectively comprise a clamping long plate, a clamping belt pulley and a belt tightness adjuster; the clamping long plate is formed by connecting two sections of plate bodies, the two sections of plate bodies are arranged at an obtuse angle, the rear section of plate body is parallel to the clamping support arm, and the front end of the front section of plate body inclines to the rear part of the limiting wheel mechanism; the front end of the clamping long plate is provided with a driving belt pulley, the rear end of the clamping long plate is provided with a driven belt pulley, the corners of the clamping long plate are provided with double-groove belt pulleys, the driving belt pulley sequentially drives the double-groove belt pulley and the driven belt pulley through a clamping belt, and the two clamping transmission arms move oppositely; the working side of the clamping belt is tensioned by a tensioning belt pulley, and the tensioning belt pulley is connected with the clamping long plate through a bearing seat; a plurality of tensioning belt pulleys are arranged along the length of the clamping belt; the top of the clamping long plate is provided with at least two inverted U-shaped clamping frames along the length of the clamping long plate, two ends of each clamping frame are respectively connected with the top surfaces of the clamping long plates of the two clamping conveying arms through bolts or welded, and the clamping frames are fixedly connected with the clamping support arms through clamping support bent pipes.

The angle of the bending part of the clamping long plate is 100-170 degrees; 3-10 tensioning pulley sets up along the length of centre gripping belt.

The driving belt pulleys are respectively provided with a wheel shaft, the wheel shaft is connected with the clamping long plate through a bearing, the other end of the wheel shaft is connected with a gear key in the clamping gear box, a clamping sleeve is arranged outside the wheel shaft, and the bottom end of the wheel shaft is connected with a clamping toggle gear; the double-groove belt pulley is rotatably connected with the connecting shaft through a bearing, an elongated groove is formed in the corner of the clamping elongated plate, and the connecting shaft is installed in the elongated groove, can move along the elongated groove and is fixed through a bolt; the driven belt pulleys are fixedly connected with the clamping driven shafts respectively, the bottom ends of the clamping driven shafts are fixedly connected with seedling cutter fixing base plates, seedling cutters are connected with the seedling cutter fixing base plates through bolts, the top end of one of the clamping driven shafts is fixedly connected with a seedling discharging poking tooth, and the top of the seedling discharging poking tooth is fixedly connected with an anti-winding cover plate; the clamping driven shaft is in key connection with a bearing seat, and the bearing seat is arranged in a long groove formed in the tail end of the clamping long plate and can move along the long groove.

Still install belt elasticity regulator on the centre gripping long slab, belt elasticity regulator include one with the fixed mount pad of centre gripping long slab, threaded connection has horizontal screw rod on the mount pad, the limiting plate is installed through the nut to the front end of screw rod, the arc structure of front end for the indent of limiting plate supports one side at the installing component of driven pulley and double flute belt pulley, the other end installation fastening nut of screw rod.

The clamping long plate is also provided with a mud scraping plate, and the mud scraping plate is tightly attached to the outer edges of the driven belt pulley, the driving belt pulley and the double-groove belt pulley; the mud scraper is fixedly connected with the mud scraper mounting plate through bolts, and the mud scraper mounting plate is welded with the clamping long plate or is connected with the clamping long plate through bolts.

The limiting wheel mechanism comprises a limiting wheel control handle, a limiting wheel adjusting screw, a limiting wheel large sleeve, a limiting wheel support arm, a limiting wheel locking bolt, a limiting wheel small sleeve, a limiting wheel frame and a limiting wheel; the limiting wheel big sleeve is of a square tube structure, the top end of the limiting wheel big sleeve is rotatably connected with a limiting wheel adjusting rod through a bearing, the bottom end of the limiting wheel big sleeve is sleeved with a square tube-shaped limiting wheel small sleeve, and the limiting wheel adjusting rod is in threaded connection with a tube cavity of the limiting wheel small sleeve; a limit wheel control handle is mounted at the top end of the limit wheel adjusting rod, a locking screw hole is formed in a side arm of the limit wheel large sleeve, and the limit wheel small sleeve is fixed through a limit wheel locking bolt; the bottom end of the small sleeve of the limiting wheel is welded with a limiting wheel frame, a wheel shaft is arranged on the limiting wheel frame, and the limiting wheel is rotationally connected with the wheel shaft through a bearing; the middle part of the large sleeve of the limiting wheel is fixedly connected with the clamping support arm through the support arm; the front end of the limiting wheel mechanism is provided with a nearside divider.

The divider is an umbrella-shaped structure and comprises three rod pieces, wherein one end of each rod piece is welded and fixed, and the other end of each rod piece is fixedly connected with two ends of the wheel shaft and the small sleeve of the limiting wheel respectively.

The commutator is a cross commutator, two ends of a power input shaft of the commutator are respectively arranged at the top of the bearing mounting bracket through bearing seats, one end of the power input shaft is also provided with a clamping working chain wheel, and the clamping working chain wheel is connected with an output wheel of a power system through a chain; two gears with the same diameter are arranged in the clamping gear box through a bearing seat, and the two gears are meshed; the power output shaft of the commutator is connected with one of the gear keys in the clamping gear box.

The front end of the front section of the clamping and conveying arm positioned at the outer side of the clamping and conveying mechanism is provided with a grain lifter.

The power system comprises an engine and a traveling gearbox, wherein a power output wheel of the engine drives a gearbox input belt pulley of a main gearbox through a belt, the main gearbox is provided with two power output gears, one output gear drives the traveling gearbox through a chain, the other output gear is a gearbox output wheel, and a clutch shaft is driven by the chain to input a chain wheel; the other end of the clutch shaft is in keyed connection with a clutch shaft output chain wheel which drives a digging cutter working chain wheel through a chain; the digging and taking cutter working chain wheel is coaxially provided with a clamping driving chain wheel which drives the clamping working chain wheel through a chain.

The clutch shaft is provided with a clutch, an input chain wheel of the clutch shaft is fixedly connected with a clutch female part, the clutch female part is connected with the off-shaft clutch shaft through a bearing, the clutch shaft is also provided with a clutch shifting fork and a clutch sub-part, and the clutch sub-part is in sliding connection with a clutch shaft key.

An engine chassis for fixedly mounting an engine is arranged at the rear part of the main frame; two substrates which are vertically arranged in parallel are also arranged on the main rack, and the substrates are provided with clutch shafts through small flange seats; a large flange seat is arranged below the base plate, a digging cutter driving shaft is connected with the large flange seat through a bearing, and the clamping driving chain wheel and the digging cutter working chain wheel are connected with the digging cutter driving shaft in a key mode.

The top of the base plate is provided with a shaft hole, a hinge pin shaft is installed on the shaft hole, one end of the hinge pin shaft is provided with a pin hole connected with the clutch control handle, and the other end of the hinge pin shaft is provided with a clutch spring and hinged with the clutch shifting fork.

The walking wheels of the walking mechanism are connected through wheel shafts, and a walking gearbox is mounted on each wheel shaft.

One of the positive and negative buckle mounting seats of the positive and negative buckle mechanism is mounted on the base side, and the other one of the positive and negative buckle mounting seats is mounted on the front part of the clamping support arm.

One end of the clamping support arm is connected with the digging cutter driving shaft through a shaft sleeve.

The digging and taking cutter mechanism comprises a digging and taking blade, a cutter pipe, a cutter rest, a digging and taking cutter fixing support arm, a digging and taking blade arranged at the front end of the cutter pipe, and a cutter rest arranged at the rear end of the cutter pipe; the rear end of the digging and taking cutter fixing support arm is fixedly connected with the clamping support arm, and the middle part and the front end are respectively and fixedly connected with a transverse shaft; the tool rest is a rectangular frame, the front part and the rear part of the frame are respectively connected with a cross shaft on a digging and taking tool fixing support arm in a rotating way through a bearing type power arm at two ends and a bearing type power arm at three ends, a third bearing of the bearing type power arm at three ends is connected with the cross shaft fixedly arranged between the clamping support arms in a rotating way, the middle part of the cross shaft is also provided with an eccentric connecting rod mechanism, the eccentric connecting rod mechanism comprises a vibrating seat connected with the bearing type power arm at three ends into a whole, and an eccentric wheel fixedly connected with a digging and taking tool driving shaft, and the outer edge of the eccentric wheel is matched and connected with the vibrating seat to drive the digging and taking tool mechanism to.

The handrail is connected with a handrail fixing part fixedly connected to the main frame through a handrail adjusting flange, the angle of the handrail can be adjusted, a clutch control handle is installed at a position, close to the handle, of one side of the handrail, and the clutch control handle is connected with a hinge pin shaft of the clutch shifting fork through a pull wire.

The utility model has the advantages that: 1. sending the garlic into a storage bin through secondary clamping; 2. the whole clamping and conveying device adopts belt conveying, a tensioning device can be adopted for tensioning the belt, and the conveying reliability is improved. 3. Connect anterior work portion as a whole through the centre gripping support arm, conveniently carry out the regulation of equipment according to the plot of difference and the garlic planting condition, to the destruction of garlic when effectively reducing the results, improve its yield. A limiting wheel structure is adopted, so that proper digging depth of the digging cutter is ensured during working; 4. the aligning and seedling cutting integrated device is adopted, so that the structure is simple and compact, and the seedling cutting consistency is ensured; 5. using a serial cross hollow reversing device; 4. the working part and the advancing direction form a certain included angle, so that the sight of an operator is not influenced when the operator works and advances. The utility model discloses compact structure, light in weight, low cost.

Drawings

Fig. 1 is a single row double grip garlic combine axial view 1.

Fig. 2 is a single row double grip garlic combine axial view 2.

Fig. 3 is a bottom view of the single row double clamping type garlic combine harvester.

In the figure, 1, a limiting wheel control handle, 2, a limiting wheel adjusting screw rod, 3, a limiting wheel large sleeve, 4, a limiting wheel support arm, 5, a clamping work chain wheel, 6, a bearing seat, 7, a commutator, 8, a commutator shaft, 9, a limiting wheel locking bolt, 10, a bearing mounting bracket, 11, a limiting wheel small sleeve, 12, a limiting wheel frame, 13, a clamping gear box, 14, a limiting wheel 15, a divider, 16, a clamping sleeve, 17, a main frame, 18, a grain lifter, 19, a digging blade, 20, a clamping long plate, 21, a cutter pipe, 22, a clamping belt, 23, a two-end bearing type power arm, 24, a digging cutter fixing support arm, 25, a cutter rest, 26, a three-end bearing type power arm, 27, a connecting shaft, 28, a main gearbox, 29, a clamping toggle gear, 30, a clamping frame, 31, a traveling gearbox, 32, a traveling wheel, 33, a clamping support bent pipe, 34, an engine chassis, 35. hopper, 36 double-groove belt pulley, 37 belt tightness regulator, 38 clamping fixing piece, 39 seedling cutter, 40 engine output belt pulley, 41 seedling discharge poking teeth, 42 antiwind cover plate, 43 engine, 44 clutch control handle, 45 handrail, 46 gear box output wheel, 47 handrail fixing piece, 48 handrail adjusting flange, 49 clutch fork, 50 clutch sub-piece, 51 gear box input belt pulley, 52 clutch shaft, 53 clutch spring, 54 clutch female piece, 55 clamping driven shaft, 56 positive and negative buckle assembly, 57 clamping support arm, 58 chain, 59 positive and negative buckle mounting seat, 60 digging cutter driving shaft, 61 clamping driving chain wheel, 62 digging cutter working chain wheel, 63 large flange seat, 64 eccentric connecting rod mechanism, 65 clutch shaft output chain wheel, 66 base plate, 67 small flange seat, 68. the seedling cutting machine comprises a driving pulley, 69, a tensioning pulley, 70, a mud scraping plate, 71, a mud scraping mounting plate, 72, a driven pulley and 73, and a seedling cutting knife fixing base plate.

Detailed Description

As shown in fig. 1-3, a single-row secondary clamping type garlic combine comprises a main frame 17, wherein the front part of the main frame 17 is rotatably connected with a clamping arm 57, and the clamping arm 57 is connected with the main frame 17 through a positive and negative buckle assembly 56 and can adjust the vertical rotation angle of the clamping arm; the main frame 17 is provided with a handrail 45, a travelling mechanism, a hopper 35 and a power system; the clamping support arm 57 is provided with a limiting wheel mechanism, a clamping mechanism and a digging and taking cutter mechanism; the limiting wheel mechanism is positioned at the foremost end of the clamping support arm 57, one side of the rear part of the limiting wheel mechanism is provided with a digging cutter mechanism, a clamping mechanism is arranged above the digging cutter mechanism, the rear end of the clamping mechanism is positioned at the feed inlet of the hopper 35, and is provided with seedling discharging poking teeth 41 and a seedling cutting cutter 39; the power system provides power for the digging and taking cutter mechanism, the clamping mechanism and the travelling mechanism; the digging and taking cutter mechanism, the clamping mechanism and the hopper 35 are positioned on one side of the limiting wheel mechanism and can be integrally and vertically adjusted in a rotating manner on the main frame 17; the clamping mechanism comprises a commutator 7, a clamping gear box 13, a clamping frame 30, seedling discharging and poking teeth 41 and a clamping and conveying mechanism; the clamping gear box 13 is provided with a commutator 7, the commutator 7 is in speed reduction transmission connection with the power system, and transmits power to the clamping gear box 13; the clamping gear box 13 is fixedly connected to the front end of the clamping support arm 57 through a clamping fixing piece 38; the front end of the clamping and conveying mechanism is driven by a clamping gear box 13, and the tail end of the clamping and conveying mechanism is provided with a seedling discharging and poking tooth 41 and a seedling cutting knife 39; the clamping and conveying mechanism consists of two clamping and conveying arms with the same structure, and the clamping and conveying arms respectively comprise a clamping long plate 20, a clamping belt 22, a clamping belt pulley and a belt tightness adjuster 37; the long clamping plate 20 is formed by connecting two sections of plate bodies, the two sections of plate bodies are arranged at an obtuse angle, the rear section of plate body is parallel to the clamping support arm, and the front end of the front section of plate body inclines to the rear part of the limiting wheel mechanism; the front end of the clamping long plate 20 is provided with a driving pulley 68, the rear end is provided with a driven pulley 72, the corners are provided with the double-groove pulley 36, and the driving pulley 68 sequentially drives the double-groove pulley 36 and the driven pulley 72 through the clamping belt 22; the two clamping and conveying arms move oppositely; the working side of the clamping belt 22 is tensioned by a tensioning pulley 69, and the tensioning pulley 69 is connected with the clamping long plate 20 through a bearing seat; a plurality of tensioner pulleys 69 are provided along the length of the clamping belt 22; at least two inverted U-shaped clamping frames 30 are installed at the top of the clamping long plate 20 along the length of the clamping long plate, two ends of each clamping frame 30 are connected with the top surfaces of the clamping long plates 20 of the two clamping conveying arms through bolts or welded, and the clamping frames 30 are fixedly connected with the clamping support arms 57 through the clamping support bent pipes 33.

The angle of the bending part of the clamping long plate 20 is 100-170 degrees; 3-10 tensioning pulley 69 sets up along the length of centre gripping belt.

The driving belt pulleys 68 are respectively provided with wheel shafts, the wheel shafts are connected with the clamping long plate 20 through bearings, the other ends of the wheel shafts are connected with gear keys in the clamping gear box 13, clamping sleeves 16 are arranged outside the wheel shafts, and the bottom ends of the wheel shafts are connected with clamping toggle gears 29; the double-groove belt pulley 36 is rotatably connected with the connecting shaft 27 through a bearing, a long groove is formed in the corner of the clamping long plate 20, and the connecting shaft 27 is installed in the long groove, can move along the long groove and is fixed through a bolt; the driven belt pulleys 72 are fixedly connected with the clamping driven shafts 55 respectively, the bottom ends of the clamping driven shafts 55 are fixedly connected with seedling cutter fixing base plates 73, the seedling cutters 39 are connected with the seedling cutter fixing base plates 73 through bolts, the top end of one of the clamping driven shafts 55 is fixedly connected with a seedling discharging shifting tooth 41, and the top of the seedling discharging shifting tooth 41 is fixedly connected with an anti-winding cover plate 42; the clamping driven shaft 47 is keyed with a bearing seat which is mounted in a long groove provided at the tail end of the clamping long plate 20 and can move along the long groove.

Still install belt elasticity regulator 37 on the centre gripping long slab 20, belt elasticity regulator 37 includes an mount pad 37-1 fixed with centre gripping long slab 20, and threaded connection has horizontal screw rod 37-2 on the mount pad 37-1, limiting plate 37-3 is installed through the nut to the front end of screw rod 37-2, the front end of limiting plate 37-3 is the arc structure of indent, supports in one side of driven pulley 72 and double flute belt pulley 36's installing component, and fastening nut 37-4 is installed to the other end of screw rod 37-2.

The long clamping plate 20 is also provided with a mud scraping plate 70, and the mud scraping plate 70 is tightly attached to the outer edges of the driven belt pulley 72, the driving belt pulley 68 and the double-groove belt pulley 36; the mud scraper 70 is fixedly connected with the mud scraper mounting plate 71 through bolts, and the mud scraper mounting plate 71 is welded or connected with the clamping long plate 20 through bolts.

The limiting wheel mechanism comprises a limiting wheel control handle 1, a limiting wheel adjusting screw 2, a limiting wheel large sleeve 3, a limiting wheel support arm 4, a limiting wheel locking bolt 9, a limiting wheel small sleeve 11, a limiting wheel frame 12 and a limiting wheel 14; the limiting wheel big sleeve 3 is of a square tube structure, the top end of the limiting wheel big sleeve is rotatably connected with a limiting wheel adjusting rod 2 through a bearing, the bottom end of the limiting wheel big sleeve is sleeved with a square tube-shaped limiting wheel small sleeve 11, and the limiting wheel adjusting rod 2 is in threaded connection with a tube cavity of the limiting wheel small sleeve 11; a limiting wheel control handle 1 is mounted at the top end of the limiting wheel adjusting rod 2, a locking screw hole is formed in a side arm of the limiting wheel large sleeve 3, and a limiting wheel small sleeve 11 is fixed through a limiting wheel locking bolt 9; the bottom end of the small sleeve 11 of the limiting wheel is welded with a limiting wheel frame 12, the limiting wheel frame 12 is provided with a wheel shaft, and the limiting wheel 14 is rotatably connected with the wheel shaft through a bearing; the middle part of the limiting wheel large sleeve 3 is fixedly connected with the clamping support arm through a support arm 5; the front end of the limiting wheel mechanism is provided with a nearside divider 15.

The divider 15 is an umbrella-shaped structure and comprises three rod pieces, wherein one end of each rod piece is welded and fixed, and the other end of each rod piece is fixedly connected with the two ends of the wheel shaft and the small limiting wheel sleeve 11 respectively.

The commutator 7 is a cross commutator, two ends of a power input shaft of the commutator are respectively arranged at the top of the bearing mounting bracket 10 through bearing seats, one end of the power input shaft is also provided with a clamping working chain wheel 5, and the clamping working chain wheel 5 is connected with an output wheel of a power system through a chain 58; two gears with the same diameter are arranged in the clamping gear box 13 through a bearing seat, and the two gears are meshed; the power take-off shaft of the commutator 7 is keyed to one of the gears in the clamping gearbox 13.

The front end of the front section clamping conveying arm of the clamping conveying mechanism positioned at the outer side is provided with a grain lifter 18.

The power system comprises an engine 43 and a traveling gearbox 31, wherein a power output wheel of the engine 43 drives a gearbox input belt pulley 51 of a main gearbox 28 through a belt, the main gearbox 28 is provided with two power output gears, one of the two power output gears drives the traveling gearbox 31 through a chain, the other power output gear is a gearbox output wheel 46, and a clutch shaft input chain wheel is driven through a chain 58; the other end of the clutch shaft 49 is keyed with a clutch shaft output chain wheel 65, and the clutch output chain wheel 65 drives the digging cutter working chain wheel 62 through a chain; the digging cutter working sprocket 62 is coaxially provided with a clamping driving sprocket 61, and the clamping driving sprocket 61 drives the clamping working sprocket 5 through the chain 58.

The clutch shaft 49 is provided with a clutch, an input chain wheel of the clutch shaft is fixedly connected with a clutch female part 54, the clutch female part 54 is connected with the off-shaft clutch shaft 49 through a bearing, the clutch shaft 49 is also provided with a clutch shifting fork 49 and a clutch sub-part 50, and the clutch sub-part 50 is in key sliding connection with the clutch shaft 49.

An engine chassis 34 for fixedly mounting an engine 43 is arranged at the rear part of the main frame 17; two vertical base plates 66 arranged in parallel are further arranged on the main rack 17, and the base plates 66 are provided with clutch shafts 49 through small flange seats 67; a large flange seat 63 is arranged below the base plate 66, the digging cutter driving shaft 60 is connected with the large flange seat 63 through a bearing, and the clamping driving chain wheel 61 and the digging cutter working chain wheel 62 are in key connection with the digging cutter driving shaft 60.

The top of the base plate 66 is provided with a shaft hole, a hinge pin shaft is installed on the shaft hole, one end of the hinge pin shaft is provided with a pin hole connected with the clutch control handle 44, and the other end of the hinge pin shaft is provided with a clutch spring 53 and is hinged with the clutch shifting fork 49.

The walking wheels 32 of the walking mechanism are connected through wheel shafts, and the wheel shafts are provided with walking gear boxes 31.

The positive and negative buckle mounting seats 59 of the positive and negative buckle mechanism 56 are mounted on the base 66 side, and the other is mounted on the front part of the holding arm 57.

One end of the gripping arm 57 is connected to the digging cutter drive shaft 60 by a bushing.

The digging and taking cutter mechanism comprises a digging and taking blade 19, a cutter pipe 21, a cutter rest 25, a digging and taking cutter fixing support arm 24, the digging and taking blade 19 is arranged at the front end of the cutter pipe 21, and the cutter rest 25 is arranged at the rear end; the rear end of the digging cutter fixing support arm 24 is fixedly connected with the clamping support arm 57, and the middle part and the front end are fixedly connected with a transverse shaft respectively; the tool rest 25 is a rectangular frame, the front part and the rear part of the frame are respectively connected with a cross shaft on the digging and taking tool fixing support arm 24 in a rotating way through a bearing type power arm 23 at the two ends and a bearing type power arm 26 at the three ends, the third bearing of the bearing type power arm 26 at the three ends is connected with the cross shaft fixedly arranged between the clamping support arms 57 in a rotating way, the middle part of the cross shaft is also provided with an eccentric connecting rod mechanism 64, the eccentric connecting rod mechanism 64 comprises a vibrating seat connected with the bearing type power arm 26 at the three ends into a whole, and an eccentric wheel fixedly connected with the digging and taking tool driving shaft 60, and the outer edge of the eccentric wheel is matched and connected with the vibrating seat to drive the digging and taking.

The armrest 45 is connected with an armrest fixing piece fixedly connected to the main frame 17 through an armrest adjusting flange, the angle of the armrest can be adjusted, a clutch control handle 44 is mounted on a portion, close to the handle, of one side of the armrest 45, and the clutch control handle 44 is connected with a hinge pin shaft of a clutch shifting fork 49 through a pull wire.

Claims

1. A single-row secondary clamping type garlic combine harvester is characterized by comprising a main frame, wherein the front part of the main frame is rotatably connected with a clamping support arm, and the clamping support arm is connected with the main frame through a positive and negative buckle assembly and can adjust the vertical rotation angle of the clamping support arm; the handrail, the traveling mechanism, the hopper and the power system are arranged on the main frame; the clamping support arm is provided with a limiting wheel mechanism, a clamping mechanism and a digging and taking cutter mechanism; the limiting wheel mechanism is positioned at the foremost end of the clamping support arm, one side of the rear part of the limiting wheel mechanism is provided with a digging cutter mechanism, a clamping mechanism is arranged above the digging cutter mechanism, and the rear end of the clamping mechanism is positioned in a material inlet of the hopper and is provided with seedling discharging poking teeth and a seedling cutting cutter; the power system provides power for the digging and taking cutter mechanism, the clamping mechanism and the travelling mechanism; the digging and taking cutter mechanism, the clamping mechanism and the hopper are positioned on one side of the limiting wheel mechanism and can be integrally and vertically adjusted in a rotating manner on the main frame; the clamping mechanism comprises a commutator, a clamping gear box, a clamping frame, seedling discharging and poking teeth and a clamping and conveying mechanism; the clamping gear box is provided with a commutator, the commutator is in speed reduction transmission connection with the power system and transmits power to the clamping gear box; the clamping gear box is fixedly connected to the front end of the clamping support arm through a clamping fixing piece; the front end of the clamping and conveying mechanism is driven by a clamping gear box, and the tail end of the clamping and conveying mechanism is provided with a seedling discharging and poking tooth and a seedling cutting knife;

2. The single file double clamp garlic combine harvester according to claim 1, wherein the angle of the bending part of the clamping long plate is 100-170 degrees; 3-10 tensioning pulley sets up along the length of centre gripping belt.

3. The single-row secondary clamping type garlic combine harvester as claimed in claim 1, wherein the driving pulleys are respectively provided with a wheel shaft, the wheel shafts are connected with the clamping long plate through bearings, the other ends of the wheel shafts are in key connection with a gear in the clamping gear box, a clamping sleeve is arranged outside the wheel shafts, and the bottom ends of the wheel shafts are connected with clamping toggle gears; the double-groove belt pulley is rotatably connected with the connecting shaft through a bearing, an elongated groove is formed in the corner of the clamping elongated plate, and the connecting shaft is installed in the elongated groove, can move along the elongated groove and is fixed through a bolt; the driven belt pulleys are fixedly connected with the clamping driven shafts respectively, the bottom ends of the clamping driven shafts are fixedly connected with seedling cutter fixing base plates, seedling cutters are connected with the seedling cutter fixing base plates through bolts, the top end of one of the clamping driven shafts is fixedly connected with a seedling discharging poking tooth, and the top of the seedling discharging poking tooth is fixedly connected with an anti-winding cover plate; the clamping driven shaft is in key connection with a bearing seat, and the bearing seat is arranged in a long groove formed in the tail end of the clamping long plate and can move along the long groove.

4. The single-row secondary clamping type garlic combine harvester according to claim 1, wherein the clamping long plate is further provided with a belt tightness adjuster, the belt tightness adjuster comprises a mounting seat fixed with the clamping long plate, the mounting seat is in threaded connection with a transverse screw rod, the front end of the screw rod is provided with a limiting plate through a nut, the front end of the limiting plate is of an inwards concave arc structure and abuts against one side of the mounting part of the driven belt pulley and the double-groove belt pulley, and a fastening nut is mounted at the other end of the screw rod.

5. The single file secondary holding garlic combine harvester according to claim 1, wherein the holding long plate is further provided with a mud scraper which is tightly attached to the outer edges of the driven pulley, the driving pulley and the double-groove pulley; the mud scraper is fixedly connected with the mud scraper mounting plate through bolts, and the mud scraper mounting plate is welded with the clamping long plate or is connected with the clamping long plate through bolts.

6. The single-row secondary clamping type garlic combine harvester as claimed in claim 1, wherein the limiting wheel mechanism comprises a limiting wheel operating handle, a limiting wheel adjusting screw, a limiting wheel large sleeve, a limiting wheel support arm, a limiting wheel locking bolt, a limiting wheel small sleeve, a limiting wheel frame and a limiting wheel; the limiting wheel big sleeve is of a square tube structure, the top end of the limiting wheel big sleeve is rotatably connected with a limiting wheel adjusting rod through a bearing, the bottom end of the limiting wheel big sleeve is sleeved with a square tube-shaped limiting wheel small sleeve, and the limiting wheel adjusting rod is in threaded connection with a tube cavity of the limiting wheel small sleeve; a limit wheel control handle is mounted at the top end of the limit wheel adjusting rod, a locking screw hole is formed in a side arm of the limit wheel large sleeve, and the limit wheel small sleeve is fixed through a limit wheel locking bolt; the bottom end of the small sleeve of the limiting wheel is welded with a limiting wheel frame, a wheel shaft is arranged on the limiting wheel frame, and the limiting wheel is rotationally connected with the wheel shaft through a bearing; the middle part of the large sleeve of the limiting wheel is fixedly connected with the clamping support arm through the support arm; the front end of the limiting wheel mechanism is provided with a nearside divider.

7. The single-row secondary clamping type garlic combine harvester as claimed in claim 1, wherein the reverser is a cross reverser, both ends of a power input shaft of the reverser are respectively mounted on the top of the bearing mounting bracket through bearing seats, one end of the power input shaft is also provided with a clamping work sprocket, and the clamping work sprocket is connected with an output wheel of a power system through a chain; two gears with the same diameter are arranged in the clamping gear box through a bearing seat, and the two gears are meshed; the power output shaft of the commutator is connected with one of the gear keys in the clamping gear box.

8. A single row double nip garlic combine harvester according to claim 1, wherein the front section of the outer gripping conveyor arm of the gripping conveyor mechanism is provided with a grain lifter at the front end.

9. The single-row double-clamping type garlic combine harvester as claimed in claim 1, wherein the power system comprises an engine and a traveling gearbox, a power output wheel of the engine drives a gearbox input belt pulley of a main gearbox through a belt, the main gearbox is provided with two power output gears, one of the power output gears drives the traveling gearbox through a chain, and the other power output gear is a gearbox output wheel and is connected with a shaft input chain wheel through a chain; the other end of the clutch shaft is in keyed connection with a clutch shaft output chain wheel which drives a digging cutter working chain wheel through a chain; a clamping driving chain wheel is coaxially arranged on the digging and taking cutter working chain wheel, and the clamping driving chain wheel drives the clamping working chain wheel through a chain; the clutch shaft is provided with a clutch, an input chain wheel of the clutch shaft is fixedly connected with a clutch female part, the clutch female part is connected with the off-shaft clutch shaft through a bearing, the clutch shaft is also provided with a clutch shifting fork and a clutch sub-part, and the clutch sub-part is in sliding connection with a clutch shaft key; an engine chassis for fixedly mounting an engine is arranged at the rear part of the main frame; two substrates which are vertically arranged in parallel are also arranged on the main rack, and the substrates are provided with clutch shafts through small flange seats; a large flange seat is arranged below the base plate, a digging cutter driving shaft is connected with the large flange seat through a bearing, and the clamping driving chain wheel and the digging cutter working chain wheel are connected with the digging cutter driving shaft key; the top of the base plate is provided with a shaft hole, a hinge pin shaft is installed on the shaft hole, one end of the hinge pin shaft is provided with a pin hole connected with a clutch control handle, and the other end of the hinge pin shaft is provided with a clutch spring and is hinged with a clutch shifting fork; the travelling wheels of the travelling mechanism are connected through wheel shafts, and a travelling gearbox is mounted on each wheel shaft; one end of the clamping support arm is connected with the digging cutter driving shaft through a shaft sleeve.

10. The single file secondary holding garlic combine harvester as claimed in claim 1, wherein the digging cutter mechanism comprises a digging blade, a cutter tube, a cutter holder, a digging cutter fixing arm, a digging blade mounted at the front end of the cutter tube, and a cutter holder mounted at the rear end; the rear end of the digging and taking cutter fixing support arm is fixedly connected with the clamping support arm, and the middle part and the front end are respectively and fixedly connected with a transverse shaft; the tool rest is a rectangular frame, the front part and the rear part of the frame are respectively connected with a cross shaft on a digging and taking tool fixing support arm in a rotating way through a bearing type power arm at two ends and a bearing type power arm at three ends, a third bearing of the bearing type power arm at three ends is connected with the cross shaft fixedly arranged between the clamping support arms in a rotating way, the middle part of the cross shaft is also provided with an eccentric connecting rod mechanism, the eccentric connecting rod mechanism comprises a vibrating seat connected with the bearing type power arm at three ends into a whole, and an eccentric wheel fixedly connected with a digging and taking tool driving shaft, and the outer edge of the eccentric wheel is matched and connected with the vibrating seat to drive the digging and taking tool mechanism to.