阅读说明：本技术 夹角式大蒜联合收获机 (Press from both sides angle formula garlic combine ) 是由 王成力 崔军 吴小伟 王成文 李想 丁桂红 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种夹角式大蒜联合收获机,掘取刀机构和夹持机构位于限位轮机构的一侧,且能够整体相地于主机架上下转动调节；夹持机构包括换向器、夹持齿轮箱、夹持框、橡胶拨齿以及夹持传送机构；夹持齿轮箱上安装换向器,换向器与动力系统减速传动连接,并将动力传给夹持齿轮箱；夹持传送机构前端由夹持齿轮箱传动,并在末端安装橡胶拨齿和切秧刀；夹持传送机构由两个结构相同的夹持传送臂组成,夹持传达臂分别包括夹持长板、夹持皮带、夹持皮带轮和皮带松紧调节器；夹持长板的前端位于掘取刀机构的正上方,后端向外侧倾斜,与掘取刀机构在水平面上形成一定夹角；夹持长板前端外侧安装有扶禾器,扶禾器与分禾器平行。(The invention discloses an included angle type garlic combine harvester, which is characterized in that a digging cutter mechanism and a clamping mechanism are positioned at the side of a limiting wheel mechanism and can integrally rotate and adjust up and down on a main frame, the clamping mechanism comprises a commutator, a clamping gear box, a clamping frame, rubber shifting teeth and a clamping and conveying mechanism, the commutator is arranged on the clamping gear box, the commutator is in speed reduction transmission connection with a power system and transmits power to the clamping gear box, the front end of the clamping and conveying mechanism is transmitted by the clamping gear box, the rubber shifting teeth and a seedling cutter are arranged at the tail end of the clamping and conveying mechanism, the clamping and conveying mechanism comprises two clamping and conveying arms with the same structure, each clamping and conveying arm comprises a clamping long plate, a clamping belt pulley and a belt tightness adjuster, the front end of the clamping long plate is positioned right above the digging cutter mechanism, the rear end of the clamping long plate inclines outwards and forms an included angle of with the digging cutter mechanism on the horizontal plane, a grain lifter is arranged outside the front end of the.)

The garlic combine harvester with the included angle type garlic combine harvester is characterized by comprising a main frame, a clamping support arm is rotatably connected to the front portion of the main frame, the clamping support arm is connected with the main frame through a front and back buckle assembly and can adjust the vertical rotation angle of the main frame, a handrail, a travelling mechanism, a hopper and a power system are mounted on the main frame, a limiting wheel mechanism, a clamping mechanism and a digging cutter mechanism are mounted on the clamping support arm, the limiting wheel mechanism is located at the foremost end of the clamping support arm, a divider is mounted at the front portion of the clamping support arm, the digging cutter mechanism is arranged on the rear portion side of the limiting wheel mechanism, the clamping mechanism is arranged above the digging cutter mechanism, the rear end of the clamping mechanism is inclined upwards and is provided with a rubber poking tooth and a seedling cutting knife, the power system provides power for the digging cutter mechanism, the clamping mechanism and the travelling mechanism, the digging cutter mechanism and the clamping mechanism are located on the side of the limiting wheel mechanism and can be integrally and rotatably adjusted on the main frame up and down, the clamping mechanism is mounted on the main frame and comprises a diverter, a clamping gear box, a clamping belt, a clamping mechanism, a clamping belt is mounted on the clamping support arm, a clamping belt and a clamping mechanism, the clamping mechanism is mounted on the clamping support arm, the clamping mechanism, the clamping support arm, the clamping.

2. The kind of included angle garlic combine harvester of claim 1, wherein the tensioning pulley is provided with 2-5 along the length of the clamping belt.

3. The kind of included angle type garlic combine harvester of claim 1, wherein the rear end of the clamping mechanism is inclined upwards by 15-75 degrees, preferably 25-35 degrees, and the clamping mechanism and the digging cutter mechanism form an included angle of 15-60 degrees, preferably 30-45 degrees, on the horizontal plane.

4. The corner garlic harvester combine as claimed in claim 1, wherein the driving pulleys are respectively mounted with a wheel shaft connected with the long holding plate through a bearing, the other end of the wheel shaft is connected with a gear in the holding gear box, the wheel shaft is externally provided with a holding sleeve, the bottom end of the wheel shaft is connected with a holding toggle gear, the driven pulleys are respectively connected with the long holding driven shaft and the short holding driven shaft through bearings, the bottom of the driven pulley is mounted with a seedling cutter fixing base plate, the seedling cutter is connected with the seedling cutter fixing base plate through a bolt, wherein the top end of the long holding driven shaft is connected with a rubber poking tooth through a bearing, the top of the rubber poking tooth is mounted with an anti-winding cover plate, and the rubber poking teeth are connected with a long groove arranged at the tail end of the long holding plate through bolts and can.

5. The kinds of included angle type garlic combine harvester of claim 1, wherein the long clamping plate is further provided with a belt tightness adjuster, the belt tightness adjuster comprises installation seats fixed with the long clamping plate, the installation seats are in threaded connection with transverse screws, the front ends of the screws are provided with limit plates through nuts, the front ends of the limit plates are of concave arc structures and abut against the inner sides of the long clamping driven shafts and the short clamping driven shafts, the other ends of the screws are provided with fastening nuts, the long clamping plate is further provided with a mud scraping plate, the mud scraping plate is tightly attached to the outer edges of the driven pulley and the driving pulley, the mud scraping plate is fixedly connected with the mud scraping installation plate through bolts, and the mud scraping plate installation plate is welded or connected with the long clamping plate through bolts.

6. The corner type garlic combine harvester according to claim 1, wherein 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 large sleeve is of a square tube structure, the top end of the limiting wheel large sleeve is rotatably connected with a limiting wheel adjusting rod through a bearing, the bottom end of the limiting wheel large sleeve is sleeved with a square tube-shaped limiting wheel small sleeve, the limiting wheel adjusting rod is in threaded connection with a tube cavity of the limiting wheel small sleeve, the top end of the limiting wheel adjusting rod is provided with the limiting wheel control handle, a side arm of the limiting wheel large sleeve is provided with a locking screw hole and is fixed with the limiting wheel small sleeve through the limiting wheel locking bolt, the bottom end of the limiting wheel small sleeve is welded with the limiting wheel frame, the wheel shaft is arranged on the limiting wheel frame, the limiting wheel is rotatably connected with the wheel shaft through.

7. The kinds of included angle type garlic combine harvester of claim 1, wherein the diverter is a cross diverter, two ends of a power input shaft are respectively mounted on the top of the bearing mounting bracket through bearing seats, a clamping work sprocket is further mounted at the end of the power input shaft, the clamping work sprocket is connected with an output wheel of the power system through a chain, two gears with the same diameter are mounted in a clamping gear box through the bearing seats, the two gears are meshed, and a power output shaft of the diverter is in key connection with a gear in the clamping gear box.

8. The -angle garlic combine harvester according to 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, output gears drive the traveling gearbox through a chain, another gearbox output wheels drive a clutch shaft input sprocket through a chain, another end of the clutch shaft is keyed with a clutch shaft output sprocket, the clutch output sprocket drives a cutter working sprocket through a chain, the cutter working sprocket is coaxially provided with a clamping driving sprocket, the clamping driving sprocket drives a clamping working sprocket through a chain, a clutch is provided on the clutch shaft, the clutch shaft input sprocket is fixedly connected with a clutch female member, the clutch female member is connected with an off-axis engaging shaft through a bearing, a clutch fork and a main frame clutch member are provided on the clutch shaft, the clutch sub member is slidably connected with the clutch shaft through a key, an engine chassis for fixedly mounting the engine is provided on the rear portion of the main frame, two base plates are provided in parallel arrangement, a small flange seat mounting shaft, a clutch fork and a main frame sub-frame are provided with a handle, the handle, a handle is connected with a handle through a handle shaft, a handle shaft is provided with a handle shaft, a.

9. The corner garlic harvester combine as defined in claim 1, wherein the digging cutter mechanism comprises a digging blade, a cutter pipe, a cutter holder, a digging cutter fixing arm, a digging blade mounted at the front end of the cutter pipe, a cutter holder mounted at the rear end of the digging cutter fixing arm, the digging cutter fixing arm having a rear end fixedly connected to the holding arm and a middle portion and a front end respectively connected to a cross shaft, the cutter holder is a rectangular frame, the front and rear portions of the frame are rotatably connected to the cross shaft of the digging cutter fixing arm through a two-end bearing power arm and a three-end bearing power arm, respectively, the third bearing of the three-end bearing power arm is rotatably connected to the cross shaft fixedly mounted between the holding arms, the middle portion of the cross shaft is further provided with an eccentric link mechanism, the eccentric link mechanism comprises vibrating seats connected to bodies of the three-end bearing power arm, and an eccentric wheel is connected to the digging cutter driving shaft, and the outer edge of the eccentric wheel is engaged with the vibrating seats to drive the digging cutter mechanism to vibrate up and down and dig the soil.

Technical Field

The invention relates to the field of agricultural machinery, and particularly provides an included angle type garlic combine harvester.

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 timely harvesting of garlic is seriously influenced.

Disclosure of Invention

In order to solve the technical problem, the invention provides an included angle type garlic combine harvester.

The technical scheme includes that the garlic combine harvester with the included angle type comprises a main frame, a clamping support arm is rotatably connected to the front portion of the main frame, the clamping support arm is connected with the main frame through a front and back buckle assembly and can adjust the vertical rotation angle of the main frame, a handrail, a walking mechanism, a hopper and a power system are mounted on the main frame, a limiting wheel mechanism, a clamping mechanism and a digging cutter mechanism are mounted on the clamping support arm, the limiting wheel mechanism is located at the foremost end of the clamping support arm, a grain divider is mounted at the front portion of the clamping support arm, the digging cutter mechanism is arranged on the side of the rear portion of the limiting wheel mechanism, the clamping mechanism is arranged above the digging cutter mechanism, the rear end of the clamping mechanism is inclined upwards and provided with a rubber poking tooth and a seedling cutter, the power system provides power for the digging cutter mechanism, the clamping mechanism and the walking mechanism, the digging cutter mechanism and the clamping mechanism are located on the side of a of the limiting wheel mechanism and can be integrally and rotatably adjusted on the main frame up and down, the clamping mechanism comprises a commutator, a clamping gear box, a clamping belt, a clamping mechanism, a clamping belt is mounted on the clamping mechanism, a clamping belt, the clamping belt is mounted on the clamping mechanism, the clamping belt, the clamping mechanism, the clamping belt is mounted on the clamping support arm and a clamping mechanism, the clamping belt clamp belt is mounted on the clamping support arm, the clamping mechanism, the clamping support arm, the clamping belt is mounted on the clamping mechanism, the clamping support arm, the clamping mechanism, the clamping belt clamping support arm and the clamping mechanism, the.

Tensioning pulley 69 sets up 2~5 along the length of centre gripping belt.

The rear end of the clamping mechanism inclines upwards for 15-75 degrees, preferably 25-35 degrees; the clamping mechanism and the digging and taking cutter mechanism form an included angle of 15-60 degrees on the horizontal plane, preferably 30-45 degrees.

The driving belt pulley is 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 driven belt pulley is respectively connected with the clamping driven long shaft and the clamping driven short shaft through bearings, a seedling cutter fixing base plate is installed at the bottom of the driven belt pulley, a seedling cutter is connected with the seedling cutter fixing base plate through bolts, the top end of the clamping driven long shaft is connected with a rubber poking tooth through a bearing, and an anti-winding cover plate is installed at the top of the rubber poking tooth; the clamping plates are connected with a long groove arranged at the tail end of the clamping long plate through bolts and can move along the long groove.

Still install belt elasticity regulator on the long board of centre gripping, belt elasticity regulator includes and the fixed mount pad of the long board of centre gripping, and 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 front end of limiting plate is the arc structure of indent, supports the inboard at the driven major axis of centre gripping, the driven minor axis of centre gripping, and end installation fastening nut in addition 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 and the driving 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 ends of the three rod pieces are welded and fixed, and the ends of the three rod pieces are fixedly connected with two ends of a wheel shaft and a small sleeve of a 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 a bearing mounting bracket through bearing seats, a clamping working chain wheel is further arranged at the end of the power input shaft and is connected with an output wheel of a power system through a chain, two gears with the same diameter are arranged in a clamping gear box through the bearing seats and are meshed with each other, and a power output shaft of the commutator is in key connection with gears in the clamping gear box.

The power system comprises an engine and a traveling gearbox, wherein power output wheels of the engine drive a gearbox input belt pulley of a main gearbox through a belt, the main gearbox is provided with two power output gears, output gears drive the traveling gearbox through a chain, the other gearbox output wheels drive a clutch shaft input chain wheel through the chain, the other end of the clutch shaft is in key connection with a clutch shaft output chain wheel, the clutch output chain wheel drives a digging cutter working chain wheel through the chain, a clamping driving chain wheel is coaxially arranged on the digging cutter working chain wheel, and the clamping driving chain wheel clamps the working chain wheel through the 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, the end of the hinge pin shaft is provided with a pin hole connected with a clutch control handle, and the end of the hinge pin shaft is provided with a clutch spring and hinged with a 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.

The positive and negative buckle installation seats of the positive and negative buckle mechanism are installed on the base side, and the other positive and negative buckle installation seats are installed on the front part of the clamping support arm.

The end of the clamping 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, wherein the digging and taking blade is arranged at the front end of the cutter pipe, the cutter rest is arranged at the rear end of the digging and taking cutter fixing support arm, the rear end of the digging and taking cutter fixing support arm is fixedly connected with a clamping support arm, the middle part and the front end of the digging and taking cutter fixing support arm are respectively and fixedly connected with a cross shaft, the cutter rest is a rectangular frame, the front part and the rear part of the frame are respectively and rotatably connected with the cross shaft on the digging and taking cutter fixing support arm through a bearing type power arm at two ends and a bearing type power arm at three ends, the third bearing of the bearing type power arm is rotatably connected with the cross shaft fixedly arranged between the clamping support arms, an eccentric connecting rod mechanism is further arranged at the middle part of the cross shaft, the eccentric connecting rod mechanism comprises vibrating seats connected with the bearing type power arms at .

The handrail is connected with a handrail fixing piece 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 the 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 garlic harvester has the beneficial effects that 1, no bin is arranged, the device is simplified, the garlic harvester is simple and easy to operate, harvesting operation can be performed on plots with poor environment and small plots, 2, the working part and the advancing direction form an included angle of , so that the sight of an operator is not influenced when the garlic harvester works and advances, the harvested garlic can be conveyed to the side of the device, the advancing of the device is not influenced, 3, the whole clamping and conveying device adopts belt conveying and can adopt a tensioning device to tension the belt, the conveying reliability is improved, 3, the front working part is connected into whole bodies through clamping support arms, the adjustment of the device is convenient to be performed according to different plots and garlic planting conditions, the damage to the garlic during harvesting is effectively reduced, the harvesting rate is improved, 4, the device for aligning and cutting the garlic into seedlings bodies is adopted, the structure is simple and compact, the seedling cutting consistency is ensured, and 5, a shifting gear is arranged at the front end of the clamping mechanism, and the garlic and are conveniently shifted backwards.

Drawings

Fig. 1 is an angled garlic combine axis view 1.

Fig. 2 is an angled garlic combine axial view 2.

Fig. 3 is a bottom view of the angle 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 grain 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 long groove, 28, a main gearbox, 29, a clamping toggle gear, 30, a clamping frame, 31, a traveling gearbox, 32, a traveling wheel, 33, a clamping frame fixing pipe and 34, an engine chassis, 35. a driven long shaft clamping part 36, a driven short shaft clamping part 37, a belt tightness regulator 38, a clamping fixing part 39, a seedling cutting knife 40, an engine output belt pulley 41, a rubber shifting tooth 42, an anti-winding cover plate 43, an engine 44, a clutch control handle 45, a handrail, 46, a transmission output wheel 47, a handrail fixing part 48, a handrail adjusting flange 49, a clutch shifting fork 50, a clutch sub-part 51, a transmission input belt pulley 52, a clutch shaft 52, a clutch spring 53, a clutch female part 54, a clutch driven shaft 55, a positive and negative buckle assembly 56, a clamping support arm 57, a chain 58, a chain 59, a positive and negative buckle mounting seat 60, a digging knife driving shaft 61, a clamping driving chain wheel 62, a digging knife working chain wheel 63, a large flange seat 64, an eccentric connecting rod mechanism 65, a clutch shaft output chain wheel 66, a base plate 67 and a small flange seat 67, 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 FIGS. 1-3, the included angle garlic combine harvester comprises a main frame 17, a clamping arm 57 is rotatably connected to the front portion of the main frame 17, the clamping arm 57 is connected with the main frame 17 through a front and back buckle assembly 56 and can adjust the vertical rotation angle of the main frame, a handrail 45, a traveling mechanism, a hopper 35 and a power system are mounted on the main frame 17, a limiting wheel mechanism, a clamping mechanism and a digging cutter mechanism are mounted on the clamping arm 57, the limiting wheel mechanism is located at the foremost end of the clamping arm 57, a grain divider 15 is mounted at the front portion, a digging cutter mechanism is arranged on the side of the rear portion of the limiting wheel mechanism, a clamping mechanism is arranged above the digging cutter mechanism, the rear end of the clamping mechanism is inclined upwards and is provided with a rubber shifting tooth 41 and a seedling cutter 39, the power system provides power for the digging cutter mechanism, the clamping mechanism and the traveling mechanism, the digging cutter mechanism and the clamping mechanism are located on the side of the limiting wheel mechanism and can be integrally rotated and adjusted upwards and vertically on the main frame 17 integrally, the clamping mechanism comprises a diverter 7, a clamping gear box 13, a clamping belt 20 is mounted on the clamping arm 13, a clamping arm, a clamping mechanism, a clamping arm 20 and a clamping arm 20, a clamping mechanism is mounted on a clamping arm 20, a clamping belt conveying belt 20, a clamping mechanism, a clamping arm 20 is connected with a clamping belt conveying belt, a clamping mechanism, a clamping belt conveying belt, a clamping arm 20, a clamping belt conveying belt 20, a clamping arm 20, a clamping mechanism is mounted on a clamping arm, a tensioning belt conveying belt, a clamping arm, a tensioning belt conveying belt, a clamping arm, a tensioning belt conveying belt, a clamping arm, a tensioning belt conveying mechanism, a tensioning belt conveying belt, a clamping arm, a tensioning belt conveying belt, a tensioning belt, a clamping arm, a tensioning belt conveying belt, a tensioning belt, a clamping arm.

Tensioning pulley 69 sets up 2~5 along the length of centre gripping belt.

The rear end of the clamping mechanism inclines upwards for 15-75 degrees, preferably 25-35 degrees; the clamping mechanism and the digging and taking cutter mechanism form an included angle of 15-60 degrees on the horizontal plane, preferably 30-45 degrees.

The driving belt pulleys 68 are respectively provided with wheel shafts which 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, the clamping sleeve 16 is arranged outside the wheel shafts, and the bottom ends of the wheel shafts are connected with the clamping toggle gears 29.

The driven belt pulley 72 is respectively connected with the clamping driven long shaft 35 and the clamping driven short shaft 36 through bearings, the bottom of the driven belt pulley 72 is provided with a seedling cutter fixing base plate 73, the seedling cutter 39 is connected with the seedling cutter fixing base plate 73 through bolts, the top end of the clamping driven long shaft 35 is connected with a rubber shifting tooth 41 through a bearing, and the top of the rubber shifting tooth 41 is provided with an anti-winding cover plate 42; are connected with a long groove 27 arranged at the tail end of the clamping long plate 20 through bolts and can move along the long groove.

The clamping long plate 20 is further provided with a belt tightness adjuster 37, the belt tightness adjuster 37 comprises installation seats 37-1 fixed with the clamping long plate 20, the installation seats 37-1 are in threaded connection with transverse screws 37-2, the front ends of the screws 37-2 are provided with limiting plates 37-3 through nuts, the front ends of the limiting plates 37-3 are of concave arc structures and abut against the inner sides of the clamping driven long shaft 35 and the clamping driven short shaft 36, and the other end of the screw 37-2 is provided with a fastening nut 37-4.

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 and the driving belt pulley 68; 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 rods, wherein ends of the three rods are welded and fixed, and the other ends of the three rods are fixedly connected with two ends of a 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 7 are respectively arranged at the top of the bearing mounting bracket 10 through bearing seats, a clamping working chain wheel 5 is further arranged at the end of the power input shaft, 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 the bearing seats, the two gears are meshed, and a power output shaft of the commutator 7 is in key connection with gears in the clamping gear box 13.

The power system comprises an engine 43 and a traveling gearbox 31, wherein power output wheels of the engine 43 drive 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, output gears drive the traveling gearbox 31 through a chain, the other output gears are gearbox output wheels 46, a clutch shaft input chain wheel is driven through a chain 58, the other end of a clutch shaft 49 is in key connection with a clutch shaft output chain wheel 65, the clutch output chain wheel 65 drives a digging cutter working chain wheel 62 through the chain, a clamping driving chain wheel 61 is coaxially installed on the digging cutter working chain wheel 62, and the clamping driving chain wheel 61 drives the clamping working chain wheel 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 arranged on the shaft hole, the end of the hinge pin shaft is provided with a pin hole connected with the clutch control handle 44, and the end of the hinge pin shaft is provided with a clutch spring 53 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 are mounted on the front part of the holding arm 57.

The 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, a digging and taking blade 19 is arranged at the front end of the cutter pipe 21, the cutter rest 25 is arranged at the rear end of the digging and taking cutter fixing support arm 24, the rear end of the digging and taking cutter fixing support arm 24 is fixedly connected with a clamping support arm 57, the middle part and the front end of the digging and taking cutter fixing support arm are respectively fixedly connected with a transverse shaft, the cutter rest 25 is a rectangular frame, the front part and the rear part of the frame are respectively and rotatably connected with the transverse shaft on the digging and taking cutter fixing support arm 24 through a bearing type power arm 23 at two ends and a bearing type power arm 26 at three ends, a third bearing of the bearing type power arm 26 is rotatably connected with the transverse shaft fixedly arranged between the clamping support arms 57, an eccentric connecting rod mechanism 64 is further arranged at the middle part of the transverse shaft, the eccentric connecting rod mechanism 64 comprises vibrating seats connected with the bearing type power arm 26 at , eccentric wheels are.

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 at a position, close to the handle, of the armrest 45 side, and the clutch control handle 44 is connected with a hinge pin shaft of the clutch shifting fork 49 through a pull wire.