Mowing and flattening machine with striking teeth

By designing a grass cutter with impact teeth, and employing a super floating protection device and a unique double suspension system, the applicability of existing equipment in different terrains and the problem of blade wear have been solved, achieving efficient and reliable grass cutting and flattening results.

CN121569655APending Publication Date: 2026-02-27HULUNBUIR JIUJIA MASCH MFG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202610012807.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-07
Publication Date
2026-02-27

AI Technical Summary

Technical Problem

Existing grass cutters with impact teeth have problems such as narrow applicable terrain, inconvenient blade disassembly and high cutting wear, and difficulty in suspending and swinging and adapting to different terrain conditions and harvesting heights.

Method used

A grass cutter flattener with impact teeth was designed. It adopts a super floating protection device and a unique double suspension device. The cutter head system is independent of the frame and has strong contouring ability. It is equipped with impact tooth flatteners and rubber roller flatteners. It is suitable for harvesting tall and thick stalk crops. When it encounters obstacles, it automatically lifts to protect the cutter head and improve work efficiency.

Benefits of technology

It enables efficient harvesting under different terrain conditions, protects the cutter head, improves equipment reliability and cutting efficiency, reduces wear and tear, and is suitable for harvesting high-yield gramineous crops.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121569655A_ABST
    Figure CN121569655A_ABST
Patent Text Reader

Abstract

The invention discloses a mowing and flattening machine with striking teeth, and belongs to the technical field of agricultural machinery. Gears are distributed in an all-welded gearbox, each group of gears are meshed with each other, a cutter head is mounted at the top of a blade, the blade is mounted at the axis of each gear and arranged in the cutter head, and a protective plate is arranged between the cutter head and the blade in a covering manner; the pull-type mowing and flattening machine is specially designed for harvesting, striking and scratching crops such as high and thick stalks, reeds and oats, meanwhile, the pull-type mowing and flattening machine is suitable for harvesting all gramineous crops, and through a super floating protection device, the grass cutting efficiency is greatly improved. When encountering stones or tree roots, the machine can be automatically lifted and automatically returns to the working position after crossing obstacles, the cutter head is protected, the working efficiency is improved, the unique double-suspension device is adopted, the cutter head system and the flattening device are independent of the rack, the profiling capacity is high, and the machine can be suitable for any ground conditions.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to a crushing machine, in particular to a grass cutting and crushing machine with beating teeth, and belongs to the technical field of agricultural machinery. BACKGROUND

[0002] The grass cutting and crushing machine with beating teeth is a kind of forage harvesting machinery, which can process the forage stems through beating teeth while cutting the grass, so as to break the wax layer of the crops and thus to disperse the water and accelerate the drying process.

[0003] As disclosed in the application No. 201610507487.1, a disc type grass cutting machine with crushing function includes a suspension assembly for being suspended on a tractor, a machine cover body, a rotating mechanism, a transmission mechanism powered by the tractor, and a harvesting platform mechanism, and further includes a crushing roller mechanism, the suspension assembly is hinged to the cross beam of the machine cover body through the rotating mechanism, the rotating mechanism can control the angle of the machine cover body around the suspension assembly to be-10°~120°, the crushing roller mechanism and the harvesting platform mechanism are both installed on the machine cover body, and the crushing roller mechanism and the harvesting platform are driven in real time by the transmission mechanism, the device in the prior art is suitable for a narrow terrain in the demonstration process, and the blade is not convenient to disassemble and cut, the loss is large, and it is not convenient to suspend and swing and adapt to different ground conditions and harvesting height.

[0004] In order to overcome the above-mentioned problems of the device in the prior art, i.e., the device is suitable for a narrow terrain in the demonstration process, and the blade is not convenient to disassemble and cut, the loss is large, and it is not convenient to suspend and swing and adapt to different ground conditions and harvesting height, therefore, a grass cutting and crushing machine with beating teeth is needed to optimize the above-mentioned deficiencies. SUMMARY

[0005] The main purpose of the present application is to overcome the problems of the device in the prior art, i.e., the device is suitable for a narrow terrain in the demonstration process, and the blade is not convenient to disassemble and cut, the loss is large, and it is not convenient to suspend and swing and adapt to different ground conditions and harvesting height, and to provide a grass cutting and crushing machine with beating teeth, which can realize the following functions:

[0006] The present traction type grass cutting and crushing machine is designed for harvesting and beating and breaking of crops such as high thick stems, reeds and oats, and is suitable for harvesting of all gramineous crops, and through the super floating protection device, when encountering stones or roots, the machine can be automatically lifted to cross the obstacles, and after crossing the obstacles, the machine can automatically return to the working position, so as to protect the cutter head and improve the work efficiency, the unique double suspension device is adopted, the cutter head system and the crushing device are independent of the frame, the profiling capability is strong, and the machine can be applied to any ground conditions.

[0007] The purpose of the present application can be achieved by adopting the following technical scheme:

[0008] The grass cutting and crushing machine with beating teeth comprises a cover plate for covering, a large gantry connected to the cover plate, a traction frame installed at the outer end of the large gantry, a large gantry welding member connecting the traction frame and the large gantry, a traction beam assembly installed between the large gantry welding member and the traction frame, a transmission system installed on the traction frame, and a disc cutter installed at the front end of the cover plate.

[0009] The disc cutter is internally rotatably installed with a beating teeth crusher, and is composed of a fully-welded gear box, a blade, a guard plate, a cutter head and gears.

[0010] The disc cutter is transversely installed at the front end with a fully-welded gear box, the fully-welded gear box is internally distributed with gears, each set of gears are mutually engaged, the blade is installed at the top of the cutter head, the gears are installed at the shaft, the blade is arranged in the cutter head, and the guard plate is arranged between the cutter head and the blade.

[0011] The other end of the disc cutter is connected with a vertical transmission shaft, and the outer end of the vertical transmission shaft is installed with a 60-degree angle gear box.

[0012] Preferably, the bottom frame is symmetrically installed at both sides of the large gantry, the hanging knife large tension spring is elastically installed at the inner side of the bottom frame, the hydraulic system is installed at the inner side of the hanging knife large tension spring, the hydraulic system is composed of a traction oil cylinder and a pin shaft, and the pin shaft is drivingly connected with the right side plate of the feeding roller.

[0013] The hydraulic system is foldably connected with the front end of the cover plate, and the large gantry and the right side plate of the feeding roller are foldably connected by the double-acting suspension profiling equipment.

[0014] Preferably, the walking tire is arranged at the inner side of the large gantry, the large gantry and the transmission system are connected by the traction beam, and the bottom frame welding is installed at the outer end of the double-acting suspension profiling equipment.

[0015] The disc cutter right bracket is installed at the lower end of both sides of the bottom frame welding, and the feeding roller right side plate and the tensioning support are respectively installed at both ends of the disc cutter right bracket.

[0016] The pull rod frame is installed at one side of the disc cutter right bracket, the adjusting screw and the nut are installed on the pull rod frame, the double-end adjusting pull rod is diagonally supported between the large gantry and the pull rod frame, and the limiting six-rib roller chain wheel is installed at the outer side of the tensioning support.

[0017] Preferably, the transmission system is composed of a cutter transmission shaft, a tractor power output shaft, a traction bent beam welding, an upper box of a corner gear box and a lower box of the corner gear box.

[0018] The transmission system is internally provided with an upper corner gear box upper box and a corner gear box lower box, the output end of the corner gear box upper box is provided with a cutter transmission shaft, the output end of the corner gear box lower box is provided with a tractor power output shaft, and the output end of the tractor power output shaft is provided with a traction bent beam welding.

[0019] Preferably, the impact tooth flattener is composed of a bearing seat, a crushing roller, a crusher sawtooth bend knife, a spline small belt pulley, a triangular belt, a spline large belt pulley and a crusher sawtooth bend knife spacing sleeve.

[0020] The impact tooth flattener is connected with a 60-degree angle gear box, the output end of the 60-degree angle gear box is provided with a spline large belt pulley, the lower side of the spline large belt pulley is provided with a spline small belt pulley, the spline large belt pulley and the spline small belt pulley are provided with a triangular belt, and the spline small belt pulley is connected with a crusher sawtooth bend knife spacing sleeve and a crushing roller.

[0021] The crushing roller is provided with a plurality of crusher sawtooth bend knives, and the crusher sawtooth bend knives are provided with a crusher sawtooth bend knife spacing sleeve.

[0022] Preferably, the limiting six-rib roller chain wheel is composed of a secondary six-rib roller chain wheel one, a secondary six-rib roller chain wheel two, a primary six-rib roller chain wheel, a chain and a linkage rod.

[0023] The outer side shaft of the spline large belt pulley is provided with a linkage rod, the oblique side of the linkage rod is provided with a secondary six-rib roller chain wheel two, the oblique side of the secondary six-rib roller chain wheel two is provided with a limiting six-rib roller chain wheel, one side of the limiting six-rib roller chain wheel is provided with a secondary six-rib roller chain wheel one, the secondary six-rib roller chain wheel one, the secondary six-rib roller chain wheel two and the linkage rod are provided with a chain, and the limiting six-rib roller chain wheel is limitingly and rollingly connected with the chain.

[0024] Preferably, the secondary six-rib roller chain wheel one, the secondary six-rib roller chain wheel two, the linkage rod and the chain are connected with the spline large belt pulley.

[0025] Preferably, the 60-degree angle gear box driving gear, the vertical transmission shaft, the 60-degree angle gear box, the spline large belt pulley, the secondary six-rib roller chain wheel one, the secondary six-rib roller chain wheel two, the linkage rod, the chain and the feeding roller are connected.

[0026] Preferably, the outer end of the crushing roller is provided with a bearing seat, the bearing seat is rotationally connected with a disc cutter right bracket, a feeding roller is arranged between a feeding roller right side plate and a tensioning support, and one side of the feeding roller is covered with a cover plate.

[0027] Preferably, the bottom side of the traction frame is provided with a transmission shaft.

[0028] The beneficial technical effects of the present application are as follows:

[0029] The application provides a grass cutting and flattening machine with hitting teeth,

[0030] The bias type traction frame is more suitable for observing working conditions, adopts an integrated oil bath gear box, is high in reliability, low in maintenance cost, and is provided with a newly designed cutter head protection device, a circular cutter head is good in passing performance, damage caused by stones can be effectively prevented, a torsional blade cutting action is more crisp and smooth, a 'herringbone' rubber flattening roller is adopted, the flattening effect is strong, and the falling of crop grass leaves such as high thick stems, reeds and oats can be effectively prevented, the cutting height and ground profiling setting are convenient and simple, the grass cutting and flattening machine is divided into a hitting tooth flattening device and a rubber roller flattening device, and the hitting tooth flattening device is suitable for high-yield gramineous forage, such as high thick stems, reeds and crops such as oats;

[0031] The hitting tooth type flattening device is high in efficiency, the waxy layer of crop stems is broken through the hitter, so that the moisture in the harvested stems is quickly dissipated, the drying process is accelerated, and a foundation is effectively laid for subsequent baling and other operations; the hitting tooth flattening device adopts a half-swinging design, the connecting point of the hitting tooth and the rotating shaft is at the one-third position of the tail of the hitting tooth, when the rotating shaft rotates at high speed, the tail of the hitting tooth is tightly pressed against the rotating shaft, so that the hitting tooth is better fixed, and the hitting tooth tip always maintains a hitting force of at least 22 kg, so that the best hitting effect is achieved;

[0032] During the working process, only when the hitting tooth is stressed more than 22 kg, the hitting tooth rebounds, more space is left for stones and foreign matters to pass through, so that the hitting tooth is effectively protected;

[0033] The largest capacity gear box of the same type of machine in the industry is adopted, the box body adopts double C-shaped shells that are buckled to each other and are integrally welded, such a structure can effectively prevent lubricating oil leakage and is solid and durable; in addition, the large capacity of lubricating oil can effectively protect the operation of the gear, the lubricating oil temperature is maximally reduced, the gear runs more quietly and smoothly, the specially designed circular teeth can effectively reduce friction during meshing and prevent the gear from being locked, the running reliability is greatly improved, and in addition, the designed gear has at least two teeth that are staggered together during meshing, so that the power transmission can be fully guaranteed and power loss is avoided; the cutter head adopts a circular design;

[0034] Compared with an elliptical cutter head, the distance between the circular cutter heads can always remain consistent, which greatly improves the passing performance, and the cutter head will not be locked and damaged due to stones and foreign matters, like the elliptical cutter head; in addition, the overlapping area of the blades between the two cutter heads is the largest, the pasture can be more completely cut, and the loss rate is reduced; the grass cutting and flattening machine is good in cutting, uniform in stubble, and flat in cutting, which lays a good foundation for the growth of the next period;

[0035] Therefore, the traction type grass cutting and flattening machine in the application is designed for harvesting and hitting and breaking of crops such as high thick stems, reed and oat, and is suitable for harvesting of all gramineous crops. When encountering stones or roots, the machine can be automatically lifted by the super floating protection device, and after passing the obstacle, the machine can automatically return to the working position, which protects the cutter head and improves the work efficiency. The cutter head system and the flattening device are independent of the frame by using the unique double suspension device, and the machine has strong profiling ability and can be applied to any ground conditions. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 Fig. 1 is a schematic diagram of the overall three-dimensional structure of the device according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0037] Figure 2 Fig. 2 is a schematic diagram of the structure of the large portal frame and transmission system according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0038] Figure 3 Fig. 3 is an enlarged view of the structure at position A according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0039] Figure 4 Fig. 4 is a schematic diagram of the transmission system structure according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0040] Figure 5 Fig. 5 is a right view of the overall equipment according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0041] Figure 6 Fig. 6 is an enlarged view of the structure at position B according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0042] Figure 7 Fig. 7 is a side view of the disc cutter according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0043] Figure 8 Fig. 8 is a front side view of the disc cutter according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0044] Figure 9 Fig. 9 is an enlarged view of the structure at position C according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0045] Figure 10 Fig. 10 is a schematic diagram of the welding structure of the feeding chassis according to a preferred embodiment of the grass cutting and flattening machine with hitting teeth of the application;

[0046] Figure 11Fig. 1 is a schematic view of the front side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0047] Figure 12 Fig. 4 is a schematic view of the impact tooth flattener structure of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application.

[0048] Fig. 1 is a schematic view of the front side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0049] Fig. 2 is a schematic view of the back side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0050] Fig. 3 is a schematic view of the bottom side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0051] Fig. 4 is a schematic view of the impact tooth flattener structure of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application.

[0052] Fig. 5 is a schematic view of the right side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0053] Fig. 6 is a schematic view of the left side of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0054] Fig. 7 is a schematic view of the hydraulic system of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0055] Fig. 8 is a schematic view of the transmission system of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0056] Fig. 9 is a schematic view of the impact tooth flattener of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0057] Fig. 10 is a schematic view of the cover plate of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0058] Fig. 11 is a schematic view of the bottom frame weldment of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0059] Fig. 12 is a schematic view of the right side plate of the feed roller of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0060] Fig. 13 is a schematic view of the limiting six-rib roller sprocket of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application;

[0061] Fig. 14 is a schematic view of the tensioning support of a preferred embodiment of a grass cutting and flattening machine with impact teeth according to the present application; DETAILED DESCRIPTION

[0062] In order to make the technical solution of the present application more clear and explicit to those skilled in the art, the present application will be further described in detail below in combination with embodiments and drawings, but the embodiments of the present application are not limited thereto.

[0063] Embodiment 1

[0064] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 described, the present embodiment provides a grass cutting and flattening machine with a hitting tooth, the transmission system 8 is composed of a cutter transmission shaft 801, a tractor power output shaft 802, a traction bent beam welding 803, an upper box body of a corner gear box 804 and a lower box body of a corner gear box 805;

[0065] The upper and lower sides of the transmission system 8 are provided with the upper box body of the corner gear box 804 and the lower box body of the corner gear box 805, the output end of the lower box body of the corner gear box 805 is provided with the tractor power output shaft 802, and the output end of the tractor power output shaft 802 is provided with the traction bent beam welding 803;

[0066] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 described, the tractor power output shaft 802 and the traction bent beam welding 803 are drivingly connected through the output end of the lower box body of the corner gear box 805, the angle of the traction beam 101 is adjusted by starting the lower box body of the corner gear box 805, and the upper box body of the corner gear box 804 is started, the upper box body of the corner gear box 804, the lower box body of the corner gear box 805, the straight transmission shaft of the flat key, the transmission shaft 102 and the 60-degree angle gear box 22 are driven by the cutter transmission shaft 801 at the output end of the upper box body of the corner gear box 804;

[0067] The output of the 60-degree angle gear box 22 is divided into two paths, one path is for the disc cutter 4 to work through the vertical transmission shaft 23, and the other path is for the hitting tooth flattening device 9 to work completely through the small belt pulley 904 driving the large belt pulley 906, the disc cutter 4 is a crop cutting structure, and the hitting tooth flattening device 9 completes the cutting of the wax layer of the harvested stem, so that the water in the harvested stem is quickly dissipated, speeding up the drying process and effectively laying a foundation for subsequent baling and other operations.

[0068] Embodiment 2

[0069] The scheme in embodiment 1 will be further introduced in combination with the specific working mode as follows:

[0070] As Figure 5 ,Figure 6 、 Figure 10 、 Figure 11 and Figure 12 As shown in the preferred embodiment, on the basis of the above-mentioned mode, further, the beating tooth flattener 9 is composed of a bearing seat 901, a crushing roller 902, a crusher saw blade bent knife 903, a spline small pulley 904, a triangular belt 905, a spline large pulley 906 and a crusher saw blade bent knife spacing sleeve 907;

[0071] The beating tooth flattener 9 is coupled with a 60-degree angle gear box 22, the output end of the 60-degree angle gear box 22 is sleeved with the spline large pulley 906, the lower side of the spline large pulley 906 is provided with the spline small pulley 904, the spline large pulley 906 and the spline small pulley 904 are externally sleeved with the triangular belt 905, and the spline small pulley 904 is connected with the crusher saw blade bent knife spacing sleeve 907 and the crushing roller 902;

[0072] The crushing roller 902 is circumferentially distributed with the crusher saw blade bent knife 903, and the crusher saw blade bent knife 903 is installed with the crusher saw blade bent knife spacing sleeve 907;

[0073] The limiting six-rib roller chain wheel 15 is composed of a secondary six-rib roller chain wheel one 151, a secondary six-rib roller chain wheel two 152, a primary six-rib roller chain wheel 153, a chain 154 and a linkage rod 155;

[0074] The outer side shaft of the spline large pulley 906 is provided with the linkage rod 155, the oblique side of the linkage rod 155 is provided with the secondary six-rib roller chain wheel two 152, the oblique side of the secondary six-rib roller chain wheel two 152 is provided with the limiting six-rib roller chain wheel 15, one side of the limiting six-rib roller chain wheel 15 is provided with the secondary six-rib roller chain wheel one 151, the secondary six-rib roller chain wheel one 151, the secondary six-rib roller chain wheel two 152 and the linkage rod 155 are externally sleeved with the chain 154, and the limiting six-rib roller chain wheel 15 is limitingly and rollingly connected with the chain 154.

[0075] The secondary six-rib roller chain wheel one 151, the secondary six-rib roller chain wheel two 152, the linkage rod 155 and the chain 154 are linked with the spline large pulley 906.

[0076] The 60-degree angle gear box 22 drives the gear 405, the vertical transmission shaft 23, the 60-degree angle gear box 22, the spline large pulley 906, the secondary six-rib roller chain wheel one 151, the secondary six-rib roller chain wheel two 152, the linkage rod 155, the chain 154 and the feeding roller 27.

[0077] As Figure 5 、 Figure 6 、 Figure 10 、 Figure 11 and Figure 12As shown, the transmission shaft 102 drives the gear in the 60-degree angle gear box 22 to rotate, and the 60-degree angle gear box 22 drives the spline large pulley 906 to rotate, and the rotation of the spline large pulley 906 drives the triangular belt 905 to rotate, and the triangular belt 905 drives the spline small pulley 904 and the impact tooth flattening device 9 to rotate;

[0078] The spline large pulley 906 is connected with the shaft 155, and the rotation of the spline large pulley 906 drives the linkage rod 155 to rotate, and the rotation of the linkage rod 155 drives the chain 154 to drive, and the chain 154 drives the six-rib roller chain wheel 15, the secondary six-rib roller chain wheel two 152, the secondary six-rib roller chain wheel one 151 and the feeding roller 27 on the chassis weld 11 to drive during movement;

[0079] The other end of the 60-degree angle gear box 22 drives the vertical transmission shaft 23 and the disc cutter 4 to drive, realizing the function of double linkage operation.

[0080] Embodiment 3

[0081] The schemes in Embodiment 1 and Embodiment 2 are further introduced in combination with specific working modes, and details are described below:

[0082] As shown in Figure 7 , Figure 8 and Figure 9 , as a preferred embodiment, on the basis of the above mode, further comprising a cover plate 10 for covering, the cover plate 10 is connected with a large gantry 2, the outer end of the large gantry 2 is installed with a traction frame 1, the traction frame 1 and the large gantry 2 are connected by a large gantry weld 25, the traction beam assembly 26 is installed between the large gantry weld 25 and the traction frame 1, the transmission system 8 is installed on the traction frame 1, and the front end of the cover plate 10 is installed with a disc cutter 4;

[0083] The inner side of the disc cutter 4 is rotatably installed with an impact tooth flattening device 9, and the disc cutter 4 is composed of a fully welded gear box 401, a blade 402, a guard plate 403, a cutter head 404 and a gear 405;

[0084] The front end of the disc cutter 4 is transversely installed with a fully welded gear box 401, the fully welded gear box 401 is distributed with gears 405, each set of gears 405 is meshed with each other, the top of the blade 402 is installed with a cutter head 404, the shaft of the gear 405 is installed with the blade 402, the blade 402 is arranged in the cutter head 404, and the cutter head 404 and the blade 402 are covered with the guard plate 403;

[0085] The other end of the disc cutter 4 is connected with a vertical transmission shaft 23, and the outer end of the vertical transmission shaft 23 is installed with a 60-degree angle gear box 22;

[0086] The bottom frame 3 is symmetrically installed on the two sides of the large gantry 2, the inner side of the bottom frame 3 is elastically installed with a hanging knife large tension spring 6, the inner side of the hanging knife large tension spring 6 is installed with a hydraulic system 7, the hydraulic system 7 is composed of a traction oil cylinder 24 and a pin shaft 21, and the pin shaft 21 is drivingly connected with the right side plate 13 of the feeding roller;

[0087] The hydraulic system 7 is foldably connected with the front end of the cover plate 10, and the large gantry 2 and the right side plate 13 of the feeding roller are foldably connected by a double-acting suspension profiling device 201.

[0088] The inner side of the large gantry 2 is provided with a traveling tire 5, the large gantry 2 and the transmission system 8 are connected by a traction beam 101, and the outer end of the double-acting suspension profiling device 201 is installed with a bottom frame welding 11;

[0089] The bottom frame welding 11 is installed with a disc knife right bracket 20 on the lower end of the two sides, and the disc knife right bracket 20 is installed with the right side plate 13 of the feeding roller and the tensioning support 16 on the two ends respectively;

[0090] One side of the disc knife right bracket 20 is installed with a pull rod bracket 19, the pull rod bracket 19 is installed with an adjusting screw rod and nut 18, and the large gantry 2 and the pull rod bracket 19 are diagonally supported by a double-head adjusting pull rod 17.

[0091] As shown in Figure 7 , Figure 8 and Figure 9 , the vertical transmission shaft 23 is driven to rotate by the 60-degree angle gear box 22, the gear 405 and the blade 402 on the disc cutter 4 are driven to rotate by the rotation of the vertical transmission shaft 23, and the crops are cut off in the rotation process;

[0092] The gear box with the largest capacity of the same type of machine in the industry is adopted, the box body adopts double C-shaped shells that are buckled with each other, and the whole is welded in such a structure, which can effectively prevent lubricating oil leakage, is solid and durable, in addition, the large capacity of lubricating oil can effectively protect the operation of the gear, maximally reduces the lubricating oil temperature, makes the gear run more quietly and smoothly, the specially designed circular teeth can effectively reduce the friction when meshing, and the gear biting phenomenon is avoided, which greatly improves the reliability of operation, and moreover, the gear designed in such a way has at least two teeth staggered together when meshing, which can fully protect the power transmission and avoid power loss. The cutter head adopts a true circle design;

[0093] Compared with the oval cutter head, the cutter head with the design of the right circle can keep the distance consistent, which greatly improves the passing performance and avoids the blockage of the stone and foreign matters, the damage of the cutter head, and other advantages are that the overlapping area of the two cutter heads is maximum, the pasture can be cut more completely, the loss rate is reduced, the cutting is neat, the stubble is uniform, and the stubble is flat, which lays a good foundation for the next growth.

[0094] The above is only further embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, which belongs to the protection scope of the present application.

Claims

1. A grass cutter with impact teeth, comprising a cover plate (10) for covering, a large gantry frame (2) connected to the cover plate (10), a traction frame (1) installed at the outer end of the large gantry frame (2), the traction frame (1) and the large gantry frame (2) being connected by a large gantry welded assembly (25), a traction beam assembly (26) installed between the large gantry welded assembly (25) and the traction frame (1), a transmission system (8) installed on the traction frame (1), and a disc cutter (4) installed at the front end of the cover plate (10). Its features are: The inner side of the disc cutter (4) is equipped with a striking tooth flattener (9). The disc cutter (4) is composed of a fully welded gearbox (401), a blade (402), a guard plate (403), a cutter head (404), and a gear (405). The front end of the disc cutter (4) is horizontally mounted with a fully welded gearbox (401), and gears (405) are distributed inside the fully welded gearbox (401). Each set of gears (405) meshes with each other. A cutter disc (404) is mounted on the top of the blade (402). The blade (402) is mounted on the shaft of the gear (405). The blade (402) is located inside the cutter disc (404). A protective plate (403) is provided between the cutter disc (404) and the blade (402). The other end of the disc cutter (4) is connected to a vertical drive shaft (23), and a 60-degree angle gearbox (22) is installed at the outer end of the vertical drive shaft (23).

2. A lawn mower with impact teeth according to claim 1, characterized in that: The large gantry frame (2) is symmetrically equipped with a base frame (3) on both sides. A large lifting spring (6) is spring-loaded on the inner side of the base frame (3). A hydraulic system (7) is installed on the inner side of the large lifting spring (6). The hydraulic system (7) consists of a traction cylinder (24) and a pin (21). The pin (21) is driven to connect with the right side plate (13) of the feed roller. The hydraulic system (7) is folded and connected to the front end of the cover plate (10), and the large gantry (2) and the right side plate (13) of the feed roller are folded and connected by a double-acting suspension contouring device (201).

3. A lawn mower with impact teeth according to claim 2, characterized in that: The inner side of the large gantry (2) is provided with a walking tire (5), the large gantry (2) and the transmission system (8) are connected by a traction beam (101), and the outer end of the double-acting suspension contouring device (201) is equipped with a base frame welded (11). The bottom of the base frame welded (11) is equipped with a disc cutter right bracket (20) on both sides. The two ends of the disc cutter right bracket (20) are respectively equipped with a feed roller right side plate (13) and a tensioning bracket (16). A tie rod bracket (19) is installed on one side of the right support bracket (20) of the disc cutter. An adjusting screw and nut (18) are installed on the tie rod bracket (19). A double-headed adjusting tie rod (17) is diagonally supported between the large gantry frame (2) and the tie rod bracket (19). A limit hexagonal roller sprocket (15) is installed on the outside of the tensioning bracket (16).

4. A lawn mower with impact teeth according to claim 3, characterized in that: The transmission system (8) consists of a cutter drive shaft (801), a tractor power output shaft (802), a traction beam welded together (803), an upper gearbox housing (804), and a lower gearbox housing (805); The transmission system (8) has an upper gearbox (804) and a lower gearbox (805) mounted on its inner side. The output end of the upper gearbox (804) is equipped with a cutter drive shaft (801), and the output end of the lower gearbox (805) is equipped with a tractor power output shaft (802). The output end of the tractor power output shaft (802) is equipped with a traction beam weld (803).

5. A lawn mower with impact teeth according to claim 4, characterized in that: The impact tooth flattener (9) is composed of a bearing seat (901), a crushing roller (902), a crusher sawtooth curved blade (903), a splined small pulley (904), a V-belt (905), a splined large pulley (906), and a crusher sawtooth curved blade spacer sleeve (907). The impact tooth flattener (9) is connected to a 60-degree angle gearbox (22). The output end of the 60-degree angle gearbox (22) is fitted with a splined large pulley (906). A splined small pulley (904) is provided on the lower side of the splined large pulley (906). A V-belt (905) is fitted over the splined large pulley (906) and the splined small pulley (904). The splined small pulley (904) is connected to the sawtooth curved blade spacer sleeve (907) and the crushing roller (902) of the crusher. The crushing roller (902) is surrounded by crusher sawtooth blades (903), and crusher sawtooth blade spacer sleeves (907) are installed on the crusher sawtooth blades (903).

6. A lawn mower with impact teeth according to claim 5, characterized in that: The outer end of the impact tooth flattener (9) and the base frame welded together (11) is distributed with a limiting hexagonal roller sprocket (15), a secondary hexagonal roller sprocket one (151), a secondary hexagonal roller sprocket two (152), a main hexagonal roller sprocket (153), a chain (154) and a linkage rod (155). A linkage rod (155) is provided on the outer shaft of the splined large pulley (906). A secondary hexagonal roller sprocket (152) is provided on the oblique side of the linkage rod (155). A limiting hexagonal roller sprocket (15) is provided on the oblique side of the secondary hexagonal roller sprocket (152). A secondary hexagonal roller sprocket (151) is provided on one side of the limiting hexagonal roller sprocket (15). A chain (154) is sleeved on the secondary hexagonal roller sprocket (151), the secondary hexagonal roller sprocket (152), and the linkage rod (155). The limiting hexagonal roller sprocket (15) and the chain (154) are connected in a limiting rolling connection.

7. A lawn mower with impact teeth according to claim 6, characterized in that: The secondary hexagonal roller sprocket one (151), secondary hexagonal roller sprocket two (152), linkage rod (155) and chain (154) are linked to the spline large belt pulley (906).

8. A lawn mower with impact teeth according to claim 5, characterized in that: The 60-degree angle gearbox (22) drives the gear (405), vertical transmission shaft (23), 60-degree angle gearbox (22), spline large belt pulley (906), secondary hexagonal roller sprocket one (151), secondary hexagonal roller sprocket two (152), linkage rod (155), chain (154) and feed roller (27) in linkage.

9. A lawn mower with impact teeth according to claim 8, characterized in that: The outer end of the crushing roller (902) is equipped with a bearing seat (901), the bearing seat (901) is rotatably connected to the right bracket (20) of the disc cutter, and a feeding roller (27) is provided between the right side plate (13) of the feeding roller and the tensioning bracket (16). One side of the feeding roller (27) is covered with a cover plate (10).

10. A lawn mower with impact teeth according to claim 9, characterized in that: A drive shaft (102) is installed on one side of the bottom of the traction frame (1).

Citation Information

Patent Citations

  • A disc mower with a flattening function

    CN106034539B