CN218072470U

CN218072470U - Front-mounted double-disc mowing flatting mill

Info

Publication number: CN218072470U
Application number: CN202222127879.9U
Authority: CN
Inventors: 张克平; 程超; 杨金龙
Original assignee: Gansu Agricultural University
Current assignee: Gansu Agricultural University
Priority date: 2022-08-13
Filing date: 2022-08-13
Publication date: 2022-12-20
Anticipated expiration: 2032-08-13

Abstract

The utility model belongs to forage grass machinery relates to a two disc flatting mills of mowing of forward type, mainly includes frame, profile modeling suspension, transmission system, disc type cutting device and flattening device, and wherein, the frame of the flatting mill of mowing adopts traditional leading three point suspension, and power transmission is provided by tractor front output shaft, and cutting device adopts the disc type cutting, and flattening device installs in profile modeling suspension bottom and is located disc type cutting device rear. The utility model has the advantages that the frame and the profiling suspension are connected through the coaxial connection and the hydraulic rod, so that the two parts can have the function of dip angle profiling, and the adaptability and the stability of the operation of the machine tool are improved; the cutting and flattening are simultaneously operated, the flattening rollers adopt herringbone combined rubber flattening rollers, the replacement is convenient, and the rollers can be added in pairs to increase the width. The whole machine has compact and complete structure and high flexibility during operation.

Description

Front-mounted double-disc mowing flatting mill

Technical Field

The utility model relates to a forage grass machinery specifically is a two disc flattening machines of mowing of forward type.

Background

The mowing and flattening machine is a common pasture machinery, can simultaneously complete mowing, flattening and strip laying operations, and is mainly used for harvesting leguminous pasture needing to be stored, wherein the flattening link can accelerate the evaporation of water in the pasture and reduce the drying time, so that the loss of nutrients and leaves of the pasture is reduced, and the quality of the pasture is improved. At present, the mowing flattening machines hung on a tractor in a front-mounted mode are few, most of mowing machines on the market are not provided with flattening devices, and the profiling flexibility is low when the mowing machine works on small grasslands and hilly mountainous regions.

Disclosure of Invention

In view of the insufficiency among the prior art, the utility model aims at providing a structure, simple motion have the front-mounted double disc flattening machine that mows of profile modeling function, realize mowing, flattening and the high-efficient operation of layering simultaneously.

In order to meet the above requirements, the technical solution of the present invention to solve the technical problem is:

a front-mounted double-disc mowing and flattening machine is characterized by mainly comprising a rack, a profile modeling suspension, a transmission system, a disc type cutting device and a flattening device. The two disc type cutting devices are symmetrically distributed below the front end of the profiling suspension, the two discs are driven by the transmission system to rotate oppositely so as to drive the cutting knife to carry out rotary cutting, and the cut pasture is concentrated to a middle area under the rotation action of the discs; the rack is positioned at the rear end of the profiling suspension, and the profiling suspension rotates around the rack by a certain inclination angle through the extension and retraction of the hydraulic rod to complete profiling; the flattening device is positioned behind the two disc type cutting devices, drives the two mutually meshed flattening rollers to rotate in opposite directions through a transmission system, receives the forage grass concentrated to the middle area of the two discs by the disc type cutting devices to flatten, and finishes strip laying on the flattened forage grass.

The machine frame is characterized by mainly comprising a main beam, an upper suspension piece, a hydraulic rod, a right suspension piece, a profiling suspension frame connecting piece, a left suspension piece and the like, wherein the upper suspension piece, the right suspension piece and the left suspension piece are respectively and rigidly connected to the main beam to form a three-point suspension device, one end of the hydraulic rod is connected to the upper suspension piece through a pin, the profiling suspension frame connecting piece is rigidly connected to the main beam, and when the machine works on a complex terrain, the hydraulic rod can control the extension and contraction to enable the whole machine to rotate at the profiling suspension frame connecting piece so as to achieve the purpose of dip angle profiling.

The profiling suspension is characterized by mainly comprising a suspension platform, a profiling rod, a gear box driving shaft protection box, a spline, a universal joint protection shell, a grass blocking screen, a fin frame, a left oil tank, a hydraulic rod connecting piece, a gear box, a right oil tank, a shaft shell end cover, a disc type cutting device connecting piece and the like, wherein the profiling rod is coaxially connected with the profiling suspension connecting piece of the frame, and the hydraulic rod connecting piece is in pin connection with the other end of a hydraulic rod of the frame, so that the whole profiling suspension can be subjected to tilt angle profiling; the left oil tank and the right oil tank are rigidly connected to the front end of the suspension platform and are rigidly connected with the driving shaft protection box and the gear box of the gear box, and meanwhile, a power transmission cavity is formed between the left oil tank and the right oil tank, so that power transmission is efficient and stable; the wing frames are connected to two sides of the suspension platform and used for hanging grass blocking cloth and protecting pasture with the grass blocking screen.

The transmission system is characterized by mainly comprising a driving squeeze roll transmission shaft, a rear output transmission shaft, a driving squeeze roll transmission shaft right bearing, a driven pulley, a transmission belt, a driving pulley, a gear box driven shaft right bearing, a gear box driven shaft right driving bevel gear, a gear box driven shaft, a gear box driving shaft bearing, a gear box driven shaft left driving bevel gear, a gear box transmission shaft left bearing, a disc type cutting device intermediate shaft driven bevel gear, a disc type cutting device intermediate shaft upper bearing, a disc type cutting device intermediate shaft lower bearing, a cutting knife disc seat, a driving squeeze roll transmission shaft left bearing and the like, wherein the movement of the cutting knife is that the front output power of a tractor sequentially drives a spline, the rear output transmission shaft and the gear box, the gear box outputs the power to the gear box driven shaft, the gear box driven shaft right driving bevel gear and the gear box driven shaft left driving bevel gear, and finally the gear box driven shaft right driving bevel gear and the gear transmit the power to the disc type cutting device intermediate shaft driven bevel gear and the disc type cutting device intermediate shaft and drive the cutting knife to move; the motion of the flattening roller is that the power of a driven shaft of the gear box is transmitted to the driving belt wheel, then the power is transmitted to the driven belt wheel through the transmission belt, and finally the power is transmitted to the driving flattening roller transmission shaft to drive the whole flattening roller to move.

The disc type cutting device is characterized by mainly comprising an outer cylinder, an upper drum disc, a lower drum disc, a cutter changing blade, a cutter nut, a reel plate and the like, wherein the outer cylinder, the upper drum disc and the lower drum disc are coaxially arranged on a middle shaft of the disc type cutting device, the cutter changing blade and the cutter are arranged on the upper drum disc through the cutter nut, and the reel plate is rigidly connected to the outer wall of the outer cylinder. The drum type discs have good profiling capability on the ground surface, the cutting blades can be driven back when meeting large obstacles, damage to the blades is avoided, the cutting device drives the outer cylinder and the reel plate to rotate by means of rotation of the rotary table, pasture can be concentrated in the middle area of the two drum discs, and the pasture can be conveniently fed into the flattening device to be flattened.

The flattening device is characterized by mainly comprising an extension spring, a driving flattening roller disc, an extension spring hanging piece, a driven flattening roller fixing shell, a driven flattening roller, a flattening device fixing plate, a compression spring rib connecting piece, a flattening device rack and the like, wherein the two flattening device fixing plates are rigidly connected to the flattening device rack and connected to a suspension platform of a profiling suspension through bolts, the driving flattening roller and the driven flattening roller are arranged on a driving flattening roller transmission shaft and the flattening device rack and are meshed with each other, the flattening roller adopts a herringbone combined rubber flattening roller.

The beneficial effects of the utility model are that: the front-mounted double-disc mowing and flattening machine is compact in structure, adopts a suspension system with hydraulic profiling, improves the flexibility and profiling capability of machine operation, can finish mowing, flattening and strip laying operation at one time, is simple and compact in transmission system, and improves the stability of machine power transmission. The disc cutting device adopts a drum-type disc and is provided with the blade replacing device, the cutting knife is convenient to replace after being damaged, and the safety factor is high. The flattening device adopts the herringbone combined rubber flattening roller, is convenient to replace, can increase the rollers in pairs to increase the width, provides a gap adjusting device for the flattening roller, can adjust the flattening gap in real time along with the change of the forage feeding quantity, and improves the effect of flattening operation.

Drawings

FIG. 1 is a schematic view of the whole structure of the present invention;

FIG. 2 is a schematic view of the frame structure of the present invention;

fig. 3 is a schematic structural diagram of the profile modeling suspension of the invention;

FIG. 4 is a schematic view of the transmission system of the present invention;

fig. 5 is a schematic view of the disc type cutting device of the present invention;

fig. 6 is a schematic structural view of the flattening device of the present invention.

Shown in the figure: 1. a frame; 1001. a main beam; 1002. an upper suspension member; 1003. a hydraulic rod; 1004. a right suspension member; 1005. a profiling suspension connecting pipe; 1006. a left suspension member; 2. a profiling suspension; 2001. a suspension stage; 2002. a profiling rod; 2003. a driving shaft protection box of the gear box; 2004. a spline; 2005. a gimbal protection housing; 2006. a grass blocking screen; 2007. a fin frame; 2008. a left oil tank; 2009. a hydraulic rod connection; 2010. a gear case; 2011. a right oil tank; 2012. a shaft housing end cap; 2013. a disc cutting device connector; 3. a transmission system; 3001. driving a flattening roller transmission shaft; 3002. a rear output transmission shaft; 3003. the right bearing of the transmission shaft of the driving flattening roller; 3004. a driven pulley; 3005. a drive belt; 3006. a driving pulley; 3007. a gearbox driven shaft right bearing; 3008. a right driving bevel gear of a driven shaft of the gear box; 3009. a gearbox driven shaft; 3010. a driving shaft bearing A of the gear box; 3011. a driving shaft bearing B of the gear box; 3012. a left driving bevel gear of a driven shaft of the gear box; 3013. a left bearing of a transmission shaft of the gear box; 3014. a disc type cutting device intermediate shaft driven bevel gear; 3015. an upper bearing of the intermediate shaft of the disc type cutting device; 3016. a disc type cutting device intermediate shaft; 3017. a lower bearing of an intermediate shaft of the disc type cutting device; 3018. a cutter disc seat; 3019. a left bearing of a transmission shaft of the driving flattening roller; 4. a disc-type cutting device; 4001. an outer cylinder; 4002. an upper drum plate; 4003. a lower drum plate; 4004. changing the blade; 4005. cutting; 4006. a cutter nut; 4007. a reel plate; 5. a flattening device; 5001. an extension spring; 5002. actively flattening the roller; 5003. actively flattening the roller disc; 5004. a tension spring hanger; 5005. a driven flattening roller fixing shell; 5006. a driven flattening roller; 5007. flattening device fixing plates; 5008. a compression spring; 5009. a compression spring rib; 5010. a flattening device frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The transmission working mode of the whole machine is as follows: as shown in figures 1, 2, 3, 4, 5 and 6, each component of the front-mounted double-disc mowing and flattening machine can realize efficient cutting and flattening of the mowing and flattening machine through reasonable arrangement of mechanisms and movement under the close fit of a mowing part and a flattening part. Specifically, the front-mounted double-disc mowing and flattening machine is characterized by mainly comprising a frame 1, a profile modeling suspension 2, a transmission system 3, a disc type cutting device 4 and a flattening device 5. The two disc type cutting devices 4 are symmetrically distributed below the front end of the profiling suspension 2, the two discs are driven by the transmission system 3 to rotate oppositely, so that the cutting knife 4005 is driven to rotate for cutting, and the cut grass is concentrated to a middle area under the rotation action of the discs; the rack 1 is positioned at the rear end of the profiling suspension 2, and the profiling suspension 2 rotates around the rack 1 at a certain inclination angle through the extension and retraction of the hydraulic rod 1003 to complete profiling; the flattening device 5 is positioned behind the two disc type cutting devices 4, drives the two mutually meshed flattening rollers to rotate in opposite directions through the transmission system 3, receives the forage grass concentrated to the middle area of the two discs by the disc type cutting devices 4 to flatten, and finishes strip laying on the flattened forage grass.

The machine frame 1 is characterized by mainly comprising a main beam 1001, an upper suspension member 1002, a hydraulic rod 1003, a right suspension member 1004, a profile modeling suspension connecting piece 1005, a left suspension member 1006 and the like, wherein the upper suspension member 1002, the right suspension member 1004 and the left suspension member 1006 are respectively and rigidly connected to the main beam 1001 to form a three-point suspension device, one end of the hydraulic rod 1003 is connected to the upper suspension member 1002 through a pin, the profile modeling suspension connecting piece 1005 is rigidly connected to the main beam 1001, and when the machine works on a complex terrain, the hydraulic rod 1003 can control the extension and retraction to enable the whole machine to rotate at the profile modeling suspension connecting piece 1005 so as to achieve the purpose of dip angle profile modeling.

The profiling suspension 2 is characterized by mainly comprising a suspension platform 2001, a profiling rod 2002, a gear box driving shaft protection box 2003, a spline 2004, a universal joint protection shell 2005, a grass blocking screen 2006, a fin frame 2007, a left oil tank 2008, a hydraulic rod connecting piece 2009, a gear box 2010, a right oil tank 2011, a shaft shell end cover 2012, a disc type cutting device connecting piece 2013 and the like, wherein the profiling rod 2002 is coaxially connected with the profiling suspension connecting piece 1005 of the rack 1, and the hydraulic rod connecting piece 2009 is in pin connection with the other end of a hydraulic rod 1003 of the rack 1, so that the whole profiling suspension 2 can be subjected to tilting angle profiling; the left oil tank 2008 and the right oil tank 2011 are rigidly connected to the front end of the suspension platform 2001 and are rigidly connected with the gear box driving shaft protection box 2003 and the gear box 2010, and meanwhile, a power transmission cavity is formed between the left oil tank 2008 and the right oil tank 2011, so that power transmission is efficient and stable; the wing frame 2007 is connected to both sides of the suspension platform 2001 for hooking of grass blocking cloth, and protects pasture with the grass blocking screen 2006.

The transmission system 3 is characterized by mainly comprising a driving pinch roll transmission shaft 3001, a rear output transmission shaft 3002, a driving pinch roll transmission shaft right bearing 3003, a driven pulley 3004, a transmission belt 3005, a driving pulley 3006, a gearbox driven shaft right bearing 3007, a gearbox driven shaft right driving bevel gear 3008, a gearbox driven shaft 3009, a gearbox driving shaft bearing 3010, a gearbox driving shaft bearing 3011, a gearbox driven shaft left driving bevel gear 3012, a gearbox transmission shaft left bearing 3013, a disc type cutting device intermediate shaft driven bevel gear 3014, a disc type cutting device intermediate shaft upper bearing 3015, a disc type cutting device intermediate shaft lower bearing 3017, a cutting knife disc seat 3018, a driving pinch roll transmission shaft left bearing 3019 and the like, wherein the movement of the cutting knife 4005 is that the front output power of the tractor sequentially drives a spline 2004, the rear output transmission shaft 3002 and a gearbox 2010, the gearbox 2010 outputs the power to the gearbox driven shaft 3009, the gearbox right driving bevel gear 3008 and the gearbox driven shaft left driving bevel gear 3012, the disc type cutting device intermediate shaft 3012, and the disc type cutting device intermediate shaft left driving bevel gear 3014 and the disc type cutting device to move; the movement of the pinch rolls is that the power of a driven shaft 3009 of the gear box is transmitted to a driving belt wheel 3006, then the power is transmitted to a driven belt wheel 3004 through a transmission belt 3005, and finally the power is transmitted to a driving pinch roll transmission shaft 3001 to drive the whole pinch rolls to move.

The disc type cutting device 4 is characterized by mainly comprising an outer cylinder 4001, an upper drum plate 4002, a lower drum plate 4003, a cutter changing blade 4004, a cutter 4005, a cutter nut 4006, a reel plate 4007 and the like, wherein the outer cylinder 4001, the upper drum plate 4002 and the lower drum plate 4003 are coaxially arranged on a middle shaft 3016 of the disc type cutting device, the cutter changing blade 4004 and the cutter 4005 are arranged on the upper drum plate 4002 through the cutter nut 4006, and the reel plate 4007 is rigidly connected to the outer wall of the outer cylinder 4001. The drum type disc has good profiling capability on the ground surface, the cutting knife 4005 can be driven back when meeting large obstacles, damage to blades is avoided, the cutting device drives the outer drum 4001 and the reel plate 4007 to rotate by means of rotation of the rotary disc, pasture can be concentrated in the middle area of the two drum discs, and the pasture can be conveniently fed to the flattening device 5 to be flattened.

The crushing device 5 is characterized by mainly comprising an extension spring 5001, a driving crushing roller 5002, a driving crushing roller disc 5003, an extension spring hanger 5004, a driven crushing roller fixing shell 5005, a driven crushing roller 5006, a crushing device fixing plate 5007, a compression spring 5008, a compression spring ribbed connector 5009, a crushing device rack 5010 and the like, wherein the two crushing device fixing plates 5007 are rigidly connected to the crushing device rack 5010 and are connected to a suspension platform 2001 of a profiling suspension 2 through bolts, the driving crushing roller 5002 and the driven crushing roller 5006 are arranged on a driving crushing roller transmission shaft 3001 and the crushing device rack 5010 and are meshed with each other, and the crushing rollers adopt herringbone combined rubber crushing rollers.

Finally, it should be noted that: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions described in the foregoing embodiments, or equally replace some of the technical features of the foregoing embodiments, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A front-mounted double-disc mowing flattening machine is characterized by comprising a rack, a profiling suspension, a transmission system, disc type cutting devices and a flattening device, wherein the two disc type cutting devices are symmetrically distributed below the front end of the profiling suspension; the rack is positioned at the rear end of the profiling suspension, and the profiling suspension rotates around the rack by a certain inclination angle through the extension and retraction of the hydraulic rod to complete profiling; the flattening device is positioned behind the two disc type cutting devices, drives the two mutually meshed flattening rollers to rotate in opposite directions through the transmission system, receives the forage grass concentrated to the middle area of the two discs by the disc type cutting devices to flatten, and finishes strip laying on the flattened forage grass.

2. The front-mounted double-disc mowing and flattening machine as claimed in claim 1, wherein the frame comprises a main beam, an upper suspension, a hydraulic rod, a right suspension, a profiling suspension connector and a left suspension, wherein the upper suspension, the right suspension and the left suspension are rigidly connected to the main beam to form a three-point suspension device, one end of the hydraulic rod is connected to the upper suspension through a pin, the profiling suspension connector is rigidly connected to the main beam, and when the machine works in a complex terrain, the hydraulic rod can control the extension and retraction of the machine to enable the whole machine to rotate at the profiling suspension connector, so that the purpose of inclination profiling is achieved.

3. The front double-disc mowing and flattening machine as claimed in claim 1, wherein the profiling suspension mainly comprises a suspension platform, a profiling rod, a gear box driving shaft protection box, a spline, a universal joint protection shell, a grass blocking screen, a fin frame, a left oil tank, a hydraulic rod connecting piece, a gear box, a right oil tank, a shaft shell end cover and a disc type cutting device connecting piece, wherein the profiling rod is coaxially connected with the profiling suspension connecting piece of the rack, and the hydraulic rod connecting piece is in pin connection with the other end of the hydraulic rod of the rack so that the whole profiling suspension can be subjected to tilt angle profiling; the left oil tank and the right oil tank are rigidly connected to the front end of the suspension platform and are rigidly connected with the driving shaft protection box and the gear box of the gear box, and a power transmission cavity is formed between the left oil tank and the right oil tank, so that power transmission is efficient and stable; the wing frame is connected to two sides of the suspension platform and used for hanging grass blocking cloth and protecting pasture with the grass blocking screen.

4. The front-mounted double-disc mowing and flattening machine according to claim 1, wherein the transmission system comprises a driving flattening roller transmission shaft, a rear output transmission shaft, a driving flattening roller transmission shaft right bearing, a driven pulley, a transmission belt, a driving pulley, a gear box driven shaft right bearing, a gear box driven shaft right driving bevel gear, a gear box driven shaft, a gear box driving shaft bearing, a gear box driven shaft left driving bevel gear, a gear box transmission shaft left bearing, a disc type cutting device intermediate shaft driven bevel gear, a disc type cutting device intermediate shaft upper bearing, a disc type cutting device intermediate shaft lower bearing, a cutting knife disc seat and a driving flattening roller transmission shaft left bearing, wherein the movement of the cutting knife is that the tractor front output power sequentially drives the spline, the rear output transmission shaft and the gear box, the gear box driven shaft right driving bevel gear and the gear box driven shaft left driving bevel gear, and finally the gear box driven shaft right driving bevel gear and the gear box driven shaft left driving bevel gear transmit the power to the disc type cutting device intermediate shaft driven bevel gear and the disc type cutting device intermediate shaft and drive the movement of the cutting knife; the motion of the flattening roller is that the power of a driven shaft of the gear box is transmitted to the driving belt wheel, then the power is transmitted to the driven belt wheel through the transmission belt, and finally the power is transmitted to the driving flattening roller transmission shaft to drive the whole flattening roller to move.

5. The front-mounted double-disc mowing and flattening machine as claimed in claim 1, wherein the disc type cutting device comprises an outer cylinder, an upper drum disc, a lower drum disc, a cutter blade, a cutter knife nut and a reel plate, wherein the outer cylinder, the upper drum disc and the lower drum disc are coaxially mounted on an intermediate shaft of the disc type cutting device, the cutter blade and the cutter knife are mounted on the upper drum disc through the cutter knife nut, the reel plate is rigidly connected to the outer wall of the outer cylinder, the drum type disc has profiling capability to the ground surface, the cutter blade can be driven back when meeting a large obstacle, damage to the blade is avoided, the cutting device can concentrate forage grass to the middle area of the two drum discs by means of rotation of the rotary disc and drive the outer cylinder and the reel plate to rotate, and the forage grass can be conveniently fed to the flattening device for flattening operation.

6. The front-mounted double-disc mowing and flattening machine as claimed in claim 1, wherein the flattening device comprises an extension spring, a driving flattening roller disc, an extension spring hanger, a driven flattening roller fixing shell, a driven flattening roller, flattening device fixing plates, a compression spring rib connector and a flattening device frame, wherein the two flattening device fixing plates are rigidly connected to the flattening device frame and are connected to a suspension frame of a profiling suspension frame through bolts, the driving flattening roller and the driven flattening roller are mounted on a driving flattening roller transmission shaft and the flattening device frame and are meshed with each other, and the flattening roller is a herringbone combined rubber flattening roller.