CN215269511U - Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine - Google Patents

Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine Download PDF

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Publication number
CN215269511U
CN215269511U CN202121173874.9U CN202121173874U CN215269511U CN 215269511 U CN215269511 U CN 215269511U CN 202121173874 U CN202121173874 U CN 202121173874U CN 215269511 U CN215269511 U CN 215269511U
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China
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shaft
crushing
diameter
cross beam
narrow
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郑爽
邓干然
崔振德
常国志
李国杰
李玲
覃双眉
何冯光
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Shijiazhuang Zhongzhou Machinery Manufacturing Co ltd
Institute of Agricultural Machinery of CATAS
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Shijiazhuang Zhongzhou Machinery Manufacturing Co ltd
Institute of Agricultural Machinery of CATAS
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Abstract

The utility model relates to a become axle diameter and imitate ridge shape cassava pole crushing still field machine, including frame, three point suspension, transmission, crushing still field device and two land wheels, the frame is installed behind the tractor through three point suspension mechanism to output power's output shaft provides power for transmission system behind the tractor. The crushing returning device comprises a variable-shaft-diameter crushing cutter shaft, a crushing cutter seat, a bearing seat support I, a bearing seat support II and a profiling crushing cavity; the variable-shaft-diameter crushing cutter shaft comprises a middle small-shaft-diameter cutter shaft and large-shaft-diameter cutter shafts at two ends. The invention adopts the variable-shaft-diameter ridge-imitating structure, solves the problems of more residual cassava stems in furrows and incomplete crushing, effectively prolongs the service life of the cutter set, increases the striking force of the furrows, simplifies the structure of the whole machine, reduces energy consumption, increases the operation stability and safety, effectively prevents the waste cassava stems from sprouting again, reduces the cassava harvesting cost and the harvesting efficiency, and improves the crushing capacity and the working efficiency.

Description

Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine
Technical Field
The utility model relates to the technical field of agricultural machinery, especially, relate to a still field machine is smashed to imitative ridge shape cassava pole of variable shaft diameter.
Background
The utility model discloses a still field machine is smashed to imitative ridge shape cassava pole of variable shaft diameter to the wide narrow double row ridging planting mode design of cassava aims at solving the furrow cassava stem of cassava and remains many and smash not thorough problem, improves flail knife life simultaneously, reduces the work energy consumption, does the technological preparation for realizing the whole mechanized production management of cassava.
Cassava is one of three potatoes in the world, is a stem cultivation crop, belongs to an upright shrub, and has a difficult problem of influencing the development of the cassava industry due to the treatment of stems. The traditional incineration and composting decomposition mode consumes labor and pollutes the environment, and the cassava stalk is rich in a large amount of organic matters and trace elements, so that if the treatment mode is adopted, a large amount of resources are wasted; if the soil is returned to the field, the soil must be thoroughly crushed to destroy spores of the soil, otherwise, the soil grows disorderly to form biological pollution, and the soil is influenced to be turned over.
Patent documents: the multi-roller ridge-imitated cassava stalk crushing and returning machine has the following application number: 201810676122.0, in the technical scheme of the above patent document, a main crushing cutter shaft, an auxiliary crushing cutter shaft, a crushing cavity, a transmission system and a terrain-imitating carriage device are adopted, so that the thorough crushing of the furrow ridge surface is realized, but the whole machine structure is complex due to the adoption of a plurality of groups of composite cutter rollers, the dynamic balance is difficult to adjust, the vibration is large during the operation, the load is large, the service life of an action part is low, the manufacturing cost is high, the popularization and the application are not facilitated, and the mechanical process of crushing and returning cassava straws to the field is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model provides a variable-shaft-diameter ridge-imitating cassava rod crushing and returning machine. Aims to provide a ridge-imitating crushing returning machine which has reasonable structure, is economical and practical, can realize the thorough crushing of the surfaces of furrows and ridges and can adapt to the crushing operation with different ridge heights by replacing a small number of blades.
The technical scheme of the utility model as follows:
a variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine comprises: the device comprises a frame 1, a three-point suspension 2, a transmission device 3, a crushing and returning device 4 and a land wheel 5;
the crushing returning device 4 includes: the grinding machine comprises a variable-shaft-diameter grinding cutter shaft 401, a grinding cutter seat 402, a bearing seat support I403, a bearing seat support II 404 and a profiling grinding cavity 405, wherein the profiling grinding cavity 405 is arranged at the bottom of a rack 1; the variable-shaft-diameter crushing cutter shaft 401 is arranged in the profiling crushing cavity 405; two ends of the variable-shaft-diameter crushing cutter shaft 401 are respectively arranged on a first bearing support 403 and a second bearing support 404, and the first bearing support 403 and the second bearing support 404 are respectively arranged on the left side and the right side of the frame 1; the profiling grinding cavity 405 comprises narrow grinding cavities on both sides and a middle grinding cavity; the transmission device 3 is arranged on the frame 1 and is connected with the variable-shaft-diameter crushing cutter shaft 401;
the variable-shaft-diameter crushing cutter shaft 401 comprises a middle small-shaft-diameter cutter shaft and large-shaft-diameter cutter shafts at two ends, the middle small-shaft-diameter cutter shaft is positioned in the middle crushing cavity, and the large-shaft-diameter cutter shafts at two ends are positioned in the narrow crushing cavities at two sides; the crushing cutter seats 402 are arranged on the variable-shaft-diameter crushing cutter shaft in a double-helix mode, and each crushing cutter seat is provided with a Y-shaped cutter group.
The Y-shaped knife set consists of two bent knives bent by 120 degrees back to back, the top end of the Y-shaped knife set is serrated, and the edge of the Y-shaped knife set in the advancing direction is provided with a bevel and is subjected to wear-resistant treatment.
The large-shaft-diameter cutter shafts at two ends are respectively provided with 4 groups of Y-shaped cutter groups, and the middle small-shaft-diameter cutter shaft is provided with 24 groups of Y-shaped cutter groups.
The total working length of the variable-shaft-diameter crushing cutter shaft is 190cm, the large-shaft-diameter cutter shafts at two ends are 20cm larger than the shaft diameter of the middle small-shaft-diameter cutter shaft, the length of the large-shaft-diameter cutter shaft is 40cm, and the length of the small-shaft-diameter cutter shaft is 110 cm.
The transmission 3 includes: the device comprises a first driven pulley 301, a first belt 302, a first driving pulley 303, a first transmission shaft 304, a first supporting seat 305, a first transmission part protecting shell 306, a speed change gear box 307, a second transmission part protecting shell 308, a second supporting seat 309, a second transmission shaft 310, a second driving pulley 311, a second belt 312, a second driven pulley 313, a first bearing seat 314, a second bearing seat 315, a universal joint coupler 316 and a base 318; the speed change gear box 307 is installed on the frame 1 through a base 318 and is located in the middle of the front side of the frame 1; the first driving pulley 303 and the second driving pulley 311 are respectively connected with the first transmission shaft 304 and the second transmission shaft 310, and are respectively connected with the first driven pulley 301 and the second driven pulley 313 through a first belt 302 and a second belt 312; the first driven pulley 301 and the second driven pulley 313 are symmetrically arranged at two ends of the variable-shaft-diameter crushing cutter shaft 401; the speed change gear box 307 is connected with the first transmission shaft 304 and the second transmission shaft 310 through a universal joint coupler 316; the second transmission shaft 310 is arranged between the second support seat 309 and a side plate of the rack through a first bearing seat 314 and a second bearing seat 315; the first transmission shaft 304 is arranged between the first support seat 305 and a side plate at the other end of the rack through two bearing blocks; the first supporting seat 305 and the second supporting seat 309 are welded on the side plates on the left side and the right side of the rack 1 respectively.
The change speed gear box 307 is connected to the universal joint coupling 316 by a pin 317. The first transmission component casing 306 and the second transmission component casing 308 are respectively arranged outside the universal joint coupling 316 on two sides of the speed change gear box 307.
A belt cover II 9 is arranged outside the driven pulley I301, the belt I302 and the driving pulley I303, and a belt tensioning wheel II 8 is arranged above the belt cover II 9; a first belt cover 6 is arranged outside the second driving pulley 311, the second belt 312 and the second driven pulley 313, and a first belt tensioning wheel 7 is arranged above the first belt cover 6.
The frame 1 includes: the structure comprises a first front cross beam 101, a first vertical side plate 102, a first vertical partition plate 103, a first narrow movable top plate 104, a first buckle group 105, a second vertical partition plate 106, a second vertical side plate 107, a second buckle group 108, a second narrow movable top plate 109, a wide movable top plate 110, a third buckle group 111, a first narrow-cavity top cross beam 112, a middle top cross beam 113, a middle rear cross beam 114, a rear cross beam 115, a second narrow-cavity top cross beam 116, a second front cross beam 117 and a seat plate 118; two ends of a first front cross beam 101, a second front cross beam 117 and a rear cross beam 115 are respectively connected with a first vertical side plate 102 and a second vertical side plate 107, the first front cross beam 101 is positioned at the lower part of the front end of the rack, the second front cross beam 117 is positioned behind the first front cross beam 101, and the rear cross beam 115 is positioned at the lower part of the rear end of the rack;
a first vertical partition plate 103 and a second vertical partition plate 106 are arranged between the first vertical side plate 102 and the second vertical side plate 107, a first narrow movable top plate 104 and a first narrow cavity top cross beam 112 are arranged between the first vertical side plate 102 and the first vertical partition plate 103, a second narrow movable top plate 109 and a second narrow cavity top cross beam 116 are arranged between the second vertical side plate 107 and the second vertical partition plate 106, and a wide movable top plate 110, a middle top cross beam 113 and a middle rear cross beam 114 are arranged between the first vertical partition plate 103 and the second vertical partition plate 106; one end of the narrow movable top plate I104 is connected to the narrow cavity top cross beam I112 through a movable buckle group I105, and the other end of the narrow movable top plate I is fixed on the rear cross beam 115 through a bolt; one end of the second narrow movable top plate 109 is connected to the second narrow-cavity top cross beam 116 through a second movable buckle group 108, and the other end of the second narrow movable top plate is fixed to the rear cross beam 115 through bolts; one end of the wide movable top plate 110 is connected to the middle top cross beam 113 through a movable buckle group III 111, and the other end of the wide movable top plate is fixed to the middle rear cross beam 114 through a bolt; the first narrow movable top plate 104, the second narrow movable top plate 109 and the wide movable top plate 110 can be opened by loosening the movable group buckle.
A first vertical side plate 102, a first vertical partition plate 103, a first narrow movable top plate 104 and a first narrow-cavity top cross beam 112 form a narrow crushing cavity; the second vertical side plate 107, the second vertical partition plate 106, the second narrow movable top plate 109 and the second narrow-cavity top cross beam 116 form a narrow crushing cavity at the other end; the first vertical partition 103, the second vertical partition 106, the wide movable top plate 110, the middle top beam 113 and the middle rear beam 114 form a middle crushing chamber.
The inner walls of the narrow movable top plate 104, the narrow movable top plate 109 and the wide movable top plate 110 are respectively provided with a detachable fixed knife with sawteeth, and the fixed knife is a trapezoidal blade; the fixed knife can be detached.
The first bearing support 403 and the second bearing support 404 are respectively arranged on the first side plate 102 and the second side plate 107;
the three-point suspension 2 includes: a small ear plate 201, an ear plate 202, a suspension beam 203 and a pull rod 204; the suspension beam 203 is arranged at the front end of the frame 1, the suspension beam 203 is arched, and two ends of the top end and the bottom end of the suspension beam 203 are respectively provided with the ear plates 202; the ear plate 202 is used for connecting with a tractor; the pull rod 204 is mounted on the frame 1 via a small ear plate 201.
The small ear plate 201 is installed on the middle top beam 113 of the frame 1, and the two ends of the bottom of the suspension beam 203 are installed on the first front beam 101 of the frame 1.
The two land wheels 5 are symmetrically arranged on two sides of the tail part of the frame 1; the land wheel 5 includes: a land wheel supporting framework 501, a land wheel rotating shaft 502, wheels 503, a fixed frame 504 and a steering shaft core 505; the fixing frame 504 is installed at the rear lower end of the frame 1, the steering shaft core 505 is installed in the fixing frame 504, the ground wheel supporting framework 501 is connected with the steering shaft core 505, the ground wheel rotating shaft 502 is installed at the lower end of the ground wheel supporting framework 501, and the wheels 503 are installed on the ground wheel rotating shaft 502.
When the Y-shaped cutter group is initially installed, the blades installed on the small-shaft-diameter cutter shaft are shorter than those installed on the large-shaft-diameter cutter shaft, the length of the blades on the large-shaft-diameter cutter shaft can be changed according to actual use conditions, and the premise that the blades and the profiling crushing cavity do not interfere with each other is adopted.
The utility model has the advantages that: the utility model provides a become characteristics such as shaft diameter imitative ridge shape cassava pole smashes still field machine has cutting ability, pick up ability, crushing ability and conveying ability reinforce, and the operation is stable and work efficiency height. The cassava stems are bent or pressed down by the advancing of the tractor, the cassava stems on the ridge surfaces and the furrows are cut off by the variable-shaft-diameter crushing cutter shaft rotating at a high speed, the cutter shaft and the profiling crushing cavity form negative pressure, the broken stems are sucked into the crushing cavity provided with the fixed cutter to complete crushing, the abandoned cassava stems are effectively prevented from sprouting again, the cassava harvesting cost and the harvesting efficiency are reduced, and the crushing capacity and the working efficiency are improved;
by adopting the variable-shaft-diameter ridge-imitating structure, the problems of much residual cassava stems in furrows and incomplete crushing are solved, the service life of the flail knife is effectively prolonged, the hitting force of the furrows is increased, the structure of the whole machine is simplified, the energy consumption is reduced, and the operation stability and safety are improved;
the convenient opening of the rear machine cover is adopted, so that the cutter shaft is convenient to overhaul and the blade is convenient to replace. The serrated knife edge is adopted, so that the chopping capacity of the variable-shaft-diameter cassava stalk chopping returning machine is effectively improved;
the double-side power output mode is adopted, and the double-side power output mode is driven by the belt pulley, so that the working stability of the variable-shaft-diameter cassava rod smashing and returning machine is improved, and the structure is simple and convenient to maintain;
the universal coupling is adopted to connect the reduction gearbox and the belt pulley, so that the problem of uneven shaft breakage caused by low coaxiality during bilateral transmission installation can be effectively solved, and the reliability of the cassava rod smashing and returning machine with the variable shaft diameter is effectively improved.
Drawings
Fig. 1 is a schematic view of the operation of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic view of the structure of the present invention.
Fig. 5 is a schematic bottom view of the present invention.
Fig. 6 is a schematic diagram of the transmission of the present invention.
Fig. 7 is a schematic structural view of the variable diameter crushing cutter shaft of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail with reference to the accompanying drawings 1-7 and examples.
The existing research on cassava stalk smashing and returning technology and equipment has already made primary results, and the problem that the residual smashing in furrows is not thorough in a cassava wide and narrow double-row ridging planting mode is urgently needed to be solved in order to perfectly combine agricultural machinery and agriculture. So the utility model discloses with high-efficient, low reducing, low consumption, practicality as the target, the horizontal cassava pole rubbing crusher rotor structure of impetus design arranges with getting rid of the sword, optimizes cassava stem stalk rubbing crusher structure, demonstrates, improves, perfects and stereotypes through field test, reaches the practicality of production, realizes that the mechanized of cassava pole is smashed still field, reduces cassava results cost, improves results efficiency, avoids the cassava pole to abandon, burn the environmental pollution who brings.
The utility model discloses to the cassava field (mechanical planting, ridge shape, wide and narrow row spacing requirement standard) that standardized ridging planted, adopt variable shaft diameter rotor structure (rotor mid portion diameter is less than both ends diameter) to rotor structure founds imitative ridge shape basis, solves the crushing problem of ridge face and furrow straw simultaneously, for root tuber results clearance obstacle, effectively prevents abandonment cassava pole sprouting once more.
As shown in fig. 1-7, the utility model discloses a variable-shaft-diameter ridge-imitating cassava rod crushing and returning machine, which comprises: frame 1, three point suspension 2, transmission 3, smash still field device 4 and two land wheels 5, frame 1 installs behind the tractor through three point suspension 2 to output power's output shaft provides power for transmission behind the tractor. The transmission device is arranged on the frame and connected with the variable-shaft-diameter crushing cutter shaft 401;
the crushing returning device 4 includes: the grinding machine comprises a variable-shaft-diameter grinding cutter shaft 401, a grinding cutter seat 402, a bearing seat support I403, a bearing seat support II 404 and a profiling grinding cavity 405, wherein the profiling grinding cavity 405 is arranged at the bottom of a rack 1; the variable-shaft-diameter crushing cutter shaft 401 is arranged in the profiling crushing cavity 405; two ends of the variable-shaft-diameter crushing cutter shaft 401 are respectively arranged on a first bearing support 403 and a second bearing support 404, and the first bearing support 403 and the second bearing support 404 are respectively arranged on the left side and the right side of the frame 1; the shape of the profiling grinding cavity is transversely consistent with that of the cutter shaft and is in a ridge-like shape; the profiling grinding cavity side rear plate is a quick-opening shell, and replacement and maintenance of the blades are facilitated. The contoured crush cavities 405 include narrow crush cavities on both sides and a middle crush cavity.
The variable-diameter crushing cutter shaft 401 comprises a middle small-diameter cutter shaft and large-diameter cutter shafts at two ends, the middle small-diameter cutter shaft is located in the middle crushing cavity, and the large-diameter cutter shafts at two ends are located in the narrow crushing cavities at two sides. The crushing tool apron 402 is symmetrically arranged (welded) on the variable-shaft-diameter crushing cutter shaft in a double-helix manner, 4 groups of large-shaft-diameter cutter shafts are arranged at two ends respectively, 24 groups of small-shaft-diameter cutter shafts are arranged in the middle, and each crushing tool apron is provided with a group of Y-shaped cutter groups which are connected by bolts. The Y-shaped knife set consists of two bent knives bent by 120 degrees back to back, the top end of the Y-shaped knife set is serrated, and the edge of the Y-shaped knife set in the advancing direction is provided with a bevel and is subjected to wear-resistant treatment.
The total working length of the variable-shaft-diameter crushing cutter shaft 401 is 190cm, the shaft diameters of the two ends are large, the diameter of the middle shaft is small, the two ends are symmetrically distributed, the shaft diameters of the large shaft diameters of the two ends are 20cm larger than that of the middle shaft diameter, the length of the large shaft diameter cutter shaft is 40cm, and the length of the small shaft diameter cutter shaft is 110 cm.
After the structure is adopted, the utility model cuts off the cassava stalk by the Y-shaped cutter set rotating at high speed, the cutter shaft and the crushing cavity form negative pressure to suck the broken stalk into the crushing cavity to complete crushing, thereby improving the crushing capability and the working efficiency; the Y-shaped cutter set is in a zigzag shape, so that the crushing capacity of the variable-shaft-diameter cassava stalk crushing and returning machine is effectively improved.
The utility model discloses a Y type knife tackle is in high-speed rotatory, and the cassava pole that will cut off that the sword top of Y type knife tackle can be fine is smashed, because the structure is the Y type, so make kibbling area bigger, strengthen kibbling effect, has effectively improved the crushing ability of becoming the garrulous still field machine of axial diameter cassava pole.
The transmission 3 includes: the device comprises a first driven pulley 301, a first belt 302, a first driving pulley 303, a first transmission shaft 304, a first supporting seat 305, a first transmission part protecting shell 306, a speed change gear box 307, a second transmission part protecting shell 308, a second supporting seat 309, a second transmission shaft 310, a second driving pulley 311, a second belt 312, a second driven pulley 313, a first bearing seat 314, a second bearing seat 315, a universal joint coupler 316, a pin shaft 317 and a base 318. The speed change gear box 307 is installed on the frame 1 through a base 318 and is located in the middle of the front side of the frame 1; the first driving pulley 303 and the second driving pulley 311 are respectively connected with the first transmission shaft 304 and the second transmission shaft 310, and are respectively connected with the first driven pulley 301 and the second driven pulley 313 through a first belt 302 and a second belt 312; the first driven pulley 301 and the second driven pulley 313 are symmetrically arranged at two ends of the variable-shaft-diameter crushing cutter shaft 401; the speed change gear box 307 is connected with the first transmission shaft 304 and the second transmission shaft 310 through a universal joint coupler 316, and the speed change gear box 307 is connected with the universal joint coupler 316 through a pin 317; the second transmission shaft 310 is arranged between the second support seat 309 and a side plate of the rack through a first bearing seat 314 and a second bearing seat 315; similarly, the first transmission shaft 304 is arranged between the first support seat 305 and the side plate at the other end of the rack through two bearing seats; the first supporting seat 305 and the second supporting seat 309 are welded on the side plates on the left side and the right side of the rack 1 respectively. The first transmission component casing 306 and the second transmission component casing 308 are respectively arranged outside the universal joint coupling 316 on two sides of the speed change gear box 307.
A belt cover II 9 is arranged outside the driven pulley I301, the belt I302 and the driving pulley I303, and a belt tensioning wheel II 8 is arranged above the belt cover II 9; a first belt cover 6 is arranged outside the second driving pulley 311, the second belt 312 and the second driven pulley 313, and a first belt tensioning wheel 7 is arranged above the first belt cover 6.
The frame 1 includes: the structure comprises a first front cross beam 101, a first vertical side plate 102, a first vertical partition plate 103, a first narrow movable top plate 104, a first buckle group 105, a second vertical partition plate 106, a second vertical side plate 107, a second buckle group 108, a second narrow movable top plate 109, a wide movable top plate 110, a third buckle group 111, a first narrow-cavity top cross beam 112, a middle top cross beam 113, a middle rear cross beam 114, a rear cross beam 115, a second narrow-cavity top cross beam 116, a second front cross beam 117 and a seat plate 118; two ends of a first front cross beam 101, a second front cross beam 117 and a rear cross beam 115 are respectively connected with a first vertical side plate 102 and a second vertical side plate 107, the first front cross beam 101 is positioned at the lower part of the front end of the rack, the second front cross beam 117 is positioned behind the first front cross beam 101, and the rear cross beam 115 is positioned at the lower part of the rear end of the rack;
a first vertical partition plate 103 and a second vertical partition plate 106 are arranged between the first vertical side plate 102 and the second vertical side plate 107, a first narrow movable top plate 104 and a first narrow cavity top cross beam 112 are arranged between the first vertical side plate 102 and the first vertical partition plate 103, a second narrow movable top plate 109 and a second narrow cavity top cross beam 116 are arranged between the second vertical side plate 107 and the second vertical partition plate 106, and a wide movable top plate 110, a middle top cross beam 113 and a middle rear cross beam 114 are arranged between the first vertical partition plate 103 and the second vertical partition plate 106; one end of the narrow movable top plate I104 is connected to the narrow cavity top cross beam I112 through a movable buckle group I105, and the other end of the narrow movable top plate I is fixed on the rear cross beam 115 through a bolt; one end of the second narrow movable top plate 109 is connected to the second narrow-cavity top cross beam 116 through a second movable buckle group 108, and the other end of the second narrow movable top plate is fixed to the rear cross beam 115 through bolts; one end of the wide movable top plate 110 is connected to the middle top cross beam 113 through a movable buckle group III 111, and the other end of the wide movable top plate is fixed to the middle rear cross beam 114 through a bolt; a first vertical side plate 102, a first vertical partition plate 103, a first narrow movable top plate 104 and a first narrow-cavity top cross beam 112 form a narrow crushing cavity; the second vertical side plate 107, the second vertical partition plate 106, the second narrow movable top plate 109 and the second narrow-cavity top cross beam 116 form a narrow crushing cavity at the other end; the first vertical partition plate 103, the second vertical partition plate 106, the wide movable top plate 110, the middle top cross beam 113 and the middle rear cross beam 114 form a middle crushing cavity;
the first narrow movable top plate 104, the second narrow movable top plate 109 and the wide movable top plate 110 can be opened by loosening the movable group buckle, so that the blade replacement and maintenance work is completed.
The inner walls of the narrow movable top plate 104, the narrow movable top plate 109 and the wide movable top plate 110 are respectively provided with a detachable fixed knife with sawteeth, and the fixed knife is a trapezoidal blade; the fixed knife can be detached.
The first bearing support 403 and the second bearing support 404 are respectively arranged on the first side plate 102 and the second side plate 107;
the three-point suspension 2 includes: a small ear plate 201, an ear plate 202, a suspension beam 203 and a pull rod 204; the suspension beam 203 is arranged at the front end of the frame 1, the suspension beam 203 is arched, and two ends of the top end and the bottom end of the suspension beam 203 are respectively provided with the ear plates 202; the ear plate 202 is used for connecting with a tractor; the pull rod 204 is mounted on the frame 1 via a small ear plate 201.
The small ear plate 201 is installed on the middle top beam 113 of the frame 1, and the two ends of the bottom of the suspension beam 203 are installed on the first front beam 101 of the frame 1.
The two land wheels 5 are symmetrically arranged on two sides of the tail part of the frame 1; the land wheel 5 includes: a land wheel supporting framework 501, a land wheel rotating shaft 502, wheels 503, a fixed frame 504 and a steering shaft core 505; the fixing frame 504 is installed at the rear lower end of the frame 1, the steering shaft core 505 is installed in the fixing frame 504, the ground wheel supporting framework 501 is connected with the steering shaft core 505, the ground wheel rotating shaft 502 is installed at the lower end of the ground wheel supporting framework 501, and the wheels 503 are installed on the ground wheel rotating shaft 502.
The transmission device 3 drives the variable-shaft-diameter crushing cutter shaft 401 to rotate at a high speed, and cassava stalks are beaten, crushed and thrown to return to the field through the variable-shaft-diameter crushing cutter shaft 401 and the profiling crushing cavity 405; the land wheels 5 are symmetrically arranged on two sides of the rear cross beam 115 of the frame, and the center distance is the same as that of the rear wheels of the tractor.
After the speed change gear box 307 is connected with a power output shaft of a tractor to obtain power, a bilateral power output mode is adopted, the power is transmitted to driving belt pulleys at the left end and the right end through two universal joint couplers, and then the power is transmitted to the variable-shaft-diameter crushing cutter shaft through a belt. The universal coupling is adopted to connect the speed change gear box and the transmission shaft, so that the problem of shaft breakage caused by coaxiality errors caused by bilateral transmission installation or working vibration can be effectively solved, and the reliability of the variable-shaft-diameter cassava rod smashing and returning machine is effectively improved.
The above embodiments are only used for illustrating the present invention, and are not intended to limit the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, and therefore all equivalent technical solutions also belong to the protection scope of the present invention.
Those not described in detail in this specification are within the skill of the art.

Claims (10)

1. The utility model provides a change axle footpath imitative ridge shape cassava pole smashes still field machine which characterized in that includes: the device comprises a frame (1), a three-point suspension (2), a transmission device (3), a crushing and returning device (4) and a land wheel (5);
the crushing and returning device (4) comprises: the grinding machine comprises a variable-shaft-diameter grinding cutter shaft (401), a grinding cutter seat (402), a bearing seat support I (403), a bearing seat support II (404) and a profiling grinding cavity (405), wherein the profiling grinding cavity (405) is arranged at the bottom of a rack (1); the variable-shaft-diameter crushing cutter shaft (401) is arranged in the profiling crushing cavity (405); two ends of the variable-shaft-diameter crushing cutter shaft (401) are respectively arranged on a first bearing support (403) and a second bearing support (404), and the first bearing support (403) and the second bearing support (404) are respectively arranged on the left side and the right side of the rack (1); the profiling grinding cavity (405) comprises narrow grinding cavities at two sides and a middle grinding cavity; the transmission device (3) is arranged on the frame (1) and is connected with the variable-shaft-diameter crushing cutter shaft (401);
the variable-shaft-diameter crushing cutter shaft (401) comprises a middle small-shaft-diameter cutter shaft and large-shaft-diameter cutter shafts at two ends, the middle small-shaft-diameter cutter shaft is positioned in the middle crushing cavity, and the large-shaft-diameter cutter shafts at two ends are positioned in the narrow crushing cavities at two sides; the crushing cutter seats (402) are symmetrically arranged on the variable-shaft-diameter crushing cutter shaft in a double-helix manner, and each crushing cutter seat is provided with a Y-shaped cutter group.
2. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 1, which is characterized in that: the Y-shaped knife set consists of two bent knives bent by 120 degrees back to back, the top end of the Y-shaped knife set is serrated, and the edge of the Y-shaped knife set in the advancing direction is provided with a bevel and is subjected to wear-resistant treatment.
3. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 1, which is characterized in that: the total working length of the variable-shaft-diameter crushing cutter shaft is 190cm, the large-shaft-diameter cutter shafts at two ends are 20cm larger than the shaft diameter of the middle small-shaft-diameter cutter shaft, the length of the large-shaft-diameter cutter shaft is 40cm, and the length of the small-shaft-diameter cutter shaft is 110 cm.
4. The cassava stalk crushing and returning machine with variable axial diameter and ridge shape according to claim 1, wherein the transmission device (3) comprises: the device comprises a first driven pulley (301), a first belt (302), a first driving pulley (303), a first transmission shaft (304), a first support seat (305), a first transmission part protective shell (306), a speed change gear box (307), a second transmission part protective shell (308), a second support seat (309), a second transmission shaft (310), a second driving pulley (311), a second belt (312), a second driven pulley (313), a first bearing seat (314), a second bearing seat (315), a universal joint coupler (316) and a base (318); the speed change gear box (307) is arranged on the frame (1) through a base (318) and is positioned in the middle of the front side of the frame (1); the driving pulley I (303) and the driving pulley II (311) are respectively connected with the transmission shaft I (304) and the transmission shaft II (310), and are respectively connected with the driven pulley I (301) and the driven pulley II (313) through a belt I (302) and a belt II (312); the driven pulley I (301) and the driven pulley II (313) are symmetrically arranged at two ends of the variable-shaft-diameter crushing cutter shaft (401); the speed change gear box (307) is connected with the first transmission shaft (304) and the second transmission shaft (310) through a universal joint coupler (316); the second transmission shaft (310) is arranged between the second support seat (309) and a side plate of the rack through the first bearing seat (314) and the second bearing seat (315); the first transmission shaft (304) is arranged between the first support seat (305) and a side plate at the other end of the rack through two bearing seats; the first supporting seat (305) and the second supporting seat (309) are respectively welded on the side plates on the left side and the right side of the rack (1).
5. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 4, which is characterized in that: the speed change gear box (307) is connected with the universal joint coupler (316) through a pin shaft (317); the outer parts of the universal joint shaft couplings (316) on the two sides of the speed change gear box (307) are respectively provided with a first transmission part protective shell (306) and a second transmission part protective shell (308).
6. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 4, which is characterized in that: a belt cover II (9) is arranged outside the driven pulley I (301), the belt I (302) and the driving pulley I (303), and a belt tensioning wheel II (8) is arranged above the belt cover II (9); and a first belt cover (6) is arranged outside the second driving belt pulley (311), the second belt pulley (312) and the second driven belt pulley (313), and a first belt tensioning wheel (7) is arranged above the first belt cover (6).
7. The cassava stalk crushing and returning machine with variable axial diameter and ridge shape according to claim 1, wherein the machine frame (1) comprises: the movable roof structure comprises a first front cross beam (101), a first vertical side plate (102), a first vertical partition plate (103), a first narrow movable roof plate (104), a first slipknot group (105), a second vertical partition plate (106), a second vertical side plate (107), a second slipknot group (108), a second narrow movable roof plate (109), a wide movable roof plate (110), a third slipknot group (111), a first narrow-cavity top cross beam (112), a middle top cross beam (113), a middle rear cross beam (114), a rear cross beam (115), a second narrow-cavity top cross beam (116), a second front cross beam (117) and a seat plate (118); two ends of a first front cross beam (101), a second front cross beam (117) and a second rear cross beam (115) are respectively connected with a first vertical side plate (102) and a second vertical side plate (107), the first front cross beam (101) is positioned at the lower part of the front end of the rack, the second front cross beam (117) is positioned behind the first front cross beam (101), and the second rear cross beam (115) is positioned at the lower part of the rear end of the rack;
a first vertical partition plate (103) and a second vertical partition plate (106) are arranged between the first vertical side plate (102) and the second vertical side plate (107), a first narrow movable top plate (104) and a first narrow cavity top cross beam (112) are arranged between the first vertical side plate (102) and the first vertical partition plate (103), a second narrow movable top plate (109) and a second narrow cavity top cross beam (116) are arranged between the second vertical side plate (107) and the second vertical partition plate (106), and a wide movable top plate (110), a middle top cross beam (113) and a middle rear cross beam (114) are arranged between the first vertical partition plate (103) and the second vertical partition plate (106); one end of a narrow movable top plate I (104) is connected to a narrow cavity top cross beam I (112) through a movable buckle group I (105), and the other end of the narrow movable top plate I is fixed to a rear cross beam (115) through a bolt; one end of the second narrow movable top plate (109) is connected to the second narrow-cavity top cross beam (116) through a second movable buckle group (108), and the other end of the second narrow movable top plate is fixed to the rear cross beam (115) through a bolt; one end of the wide movable top plate (110) is connected to the middle top cross beam (113) through a movable buckle group III (111), and the other end of the wide movable top plate is fixed to the middle rear cross beam (114) through a bolt; the narrow movable top plate I (104), the narrow movable top plate II (109) and the wide movable top plate (110) can be opened by loosening the movable group buckle;
a first vertical side plate (102), a first vertical partition plate (103), a first narrow movable top plate (104) and a first narrow-cavity top cross beam (112) form a narrow crushing cavity; a second vertical side plate (107), a second vertical partition plate (106), a second narrow movable top plate (109) and a second narrow-cavity top cross beam (116) form a narrow crushing cavity at the other end; the first vertical partition plate (103), the second vertical partition plate (106), the wide movable top plate (110), the middle top cross beam (113) and the middle rear cross beam (114) form a middle crushing cavity.
8. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 7, which is characterized in that: the inner walls of the narrow movable top plate I (104), the narrow movable top plate II (109) and the wide movable top plate (110) are respectively provided with a detachable fixed knife with sawteeth, and the fixed knives are trapezoidal blades; the fixed knife can be detached.
9. The cassava stalk crushing and returning machine with variable axial diameter and ridge shape according to claim 1, wherein the three-point suspension (2) comprises: a small ear plate (201), an ear plate (202), a suspension beam (203) and a pull rod (204); the suspension beam (203) is arranged at the front end of the rack (1), the suspension beam (203) is arched, and two ends of the top end and the bottom end of the suspension beam (203) are respectively provided with an ear plate (202); the ear plate (202) is used for connecting with a tractor; the pull rod (204) is arranged on the frame (1) through the small ear plate (201).
10. The variable-axis-diameter ridge-imitated cassava stalk crushing and returning machine according to claim 1, which is characterized in that: the two land wheels (5) are symmetrically arranged on two sides of the tail part of the frame (1); the land wheel (5) comprises: the ground wheel supporting frame (501), a ground wheel rotating shaft (502), wheels (503), a fixing frame (504) and a steering shaft core (505); the fixed frame (504) is arranged at the rear lower end of the frame (1), the steering shaft core (505) is arranged in the fixed frame (504), the ground wheel supporting framework (501) is connected with the steering shaft core (505), the ground wheel rotating shaft (502) is arranged at the lower end of the ground wheel supporting framework (501), and the wheels (503) are arranged on the ground wheel rotating shaft (502).
CN202121173874.9U 2021-05-28 2021-05-28 Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine Active CN215269511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121173874.9U CN215269511U (en) 2021-05-28 2021-05-28 Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121173874.9U CN215269511U (en) 2021-05-28 2021-05-28 Variable-shaft-diameter ridge-imitating cassava stalk crushing and returning machine

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Publication Number Publication Date
CN215269511U true CN215269511U (en) 2021-12-24

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN215269511U (en)

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