Rotary mowing and flattening machine

Abstract

The utility model discloses a rotary mowing and flattening machine which comprises a suspension frame connected to a traction machine, and the suspension frame is rotationally connected with a rotary support. A flattening transmission box driven by a power device is installed on the rotary support, a flattening input shaft of the flattening transmission box is sleeved with a transmission belt wheel, a flattening output shaft is in driving connection with a flattening device capable of flattening harvested pasture through a transmission shaft, and a weed pulling transmission box is further installed at the end, away from the suspension frame, of the rotary support. A weed pulling input shaft of the weed pulling transmission box is sleeved with a driving belt wheel, and a belt is wound around the transmission belt wheel and the driving belt wheel; the weeding input shaft is in driving connection with a weeding synchronizing mechanism through a gear, and the weeding synchronizing mechanism is in driving connection with a cutter shaft driving mechanism for harvesting pasture. By arranging the cutter shaft driving mechanism and other structures, the problem that due to the fact that operation is conducted on the uneven ground for a long time, the connection position of the mower and a traction machine is loosened can be solved, the transmission efficiency and the whole machine stability are improved, and the mowing and flattening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a rotary grass mowing and flattening machine. Background Art

[0002] Alfalfa is a globally cultivated forage crop with wide adaptability, high nutritional value and excellent palatability. It is known as the "king of forage" and occupies an important position in forage production. The moisture content and protein content of alfalfa stems, flowers and leaves are inconsistent. During the drying process, part of the protein is lost with the evaporation of water. Therefore, the mower and flattener flattens and cracks the cut fresh forage stems to accelerate the evaporation of internal water, shorten the drying time, and make the stems, leaves and flowers dry uniformly, reducing nutrient loss and improving the quality of hay.

[0003] However, when the existing suspended mower and flattener is connected to a traction machine, the connection is easily loosened due to long-term operation on uneven ground, and the cutter is easily damaged, which affects the smoothness of mowing and flattening, low transmission efficiency, and low stability of the whole machine; during operation, there is unstable power transmission, imbalance of the whole machine, and low mowing and flattening efficiency. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the utility model is to provide a rotary grass mower and flattener, which can solve the problem of loose connection with the traction machinery caused by long-term operation on uneven ground, enhance the transmission efficiency and the stability of the whole machine, and improve the mowing and flattening efficiency.

[0005] In order to solve the above technical problems, the utility model includes a suspension frame connected to a traction machine, and its structural feature is that a slewing bracket is rotatably connected to the suspension frame; a flattening transmission box driven by a power device is installed on the slewing bracket, and a driving pulley is mounted on the flattening input shaft of the flattening transmission box, and a flattening output shaft is connected to a flattening device capable of flattening harvested grass through a driving shaft; a weeding transmission box is also installed on the end of the slewing bracket away from the suspension frame, and a driving pulley is mounted on the weeding input shaft of the weeding transmission box, and a belt is wound around the driving pulley and the driving pulley; the weeding input shaft is connected to a weeding synchronization mechanism through gear driving, and the weeding synchronization mechanism is connected to a knife shaft driving mechanism for harvesting grass.

[0006] After adopting the above structure, when working, first, the suspension frame is connected to the traction machine. During the working process, as the traction machine moves or the connection point vibrates due to the uneven ground, the slewing bracket can adjust its position with the suspension frame according to the vibration to adapt to the working requirements and improve the stability of the whole machine; then, the power device drives the flattening input shaft of the flattening transmission box to rotate, and the driving pulley on the flattening input shaft rotates accordingly, and the driving pulley is driven by the belt to rotate, and the weeding input shaft on the driving pulley rotates; finally, under the action of the weeding input shaft, the weeding synchronization mechanism is driven to work, and the knife shaft driving mechanism mows the grass; at the same time, the flattening device works to flatten the harvested grass. During the working process, by setting the suspension frame and the slewing bracket rotatably connected thereto, the stability of the whole machine is improved, and the looseness of the connection with the traction machine caused by long-term operation on uneven ground is reduced; by setting the flattening transmission box and the weeding transmission box to synchronously transmit power to the flattening device and the knife shaft driving mechanism, the transmission efficiency is enhanced, and the mowing and flattening efficiency is improved.

[0007] Preferably, the number of the flattened output shafts is set to multiple groups, each group of the flattened output shafts is arranged in pairs and each pair rotates in opposite directions, and a transmission shaft square shaft is installed on each group of the flattened output shafts through an output shaft universal joint.

[0008] Preferably, the weeding input shaft is also equipped with an input shaft bevel gear located in the weeding transmission box, and the weeding synchronization mechanism includes a weeding synchronization shaft located in the weeding box and extending along its length direction, and the weeding synchronization shaft is equipped with a plurality of upper cutter shaft drive gears arranged at intervals, and a driven bevel gear meshing with the input shaft bevel gear is installed at the end.

[0009] Preferably, the cutter shaft drive mechanism includes a cutter shaft installed on the bottom of a weeding transmission box, the end of the cutter shaft located in the weeding transmission box is provided with a lower cutter shaft drive gear meshing with an upper cutter shaft drive gear through a bearing sleeve, and the lower part and end of the cutter shaft located outside the weeding transmission box are respectively installed with a cutter disc and a sliding bottom.

[0010] Preferably, the outer diameter of the cutter disc is larger than the outer diameter of the sliding bottom and there is a spacing between the two in the axial direction.

[0011] Preferably, the flattening device comprises a plurality of groups of flattening rollers mounted on a weeding transmission box, each group of flattening rollers is arranged in pairs, and a transmission shaft square tube matching the corresponding transmission shaft square shaft is mounted on the end of each flattening roller.

[0012] Preferably, the weeding synchronization shaft is arranged axially perpendicular to the weeding input shaft.

[0013] The utility model improves the stability of the whole machine by arranging a suspension frame and a slewing bracket rotatably connected thereto, and reduces the looseness of the connection with the traction machinery caused by long-term operation on uneven ground; by arranging a flattening transmission box and a weeding transmission box to synchronously transmit power to the flattening device and the knife shaft driving mechanism, the transmission efficiency is enhanced, and the mowing and flattening efficiency is improved; by arranging flattening output shafts arranged in pairs, each pair of flattening output shafts are relatively reversed to ensure that the two flattening rollers are reversed inward to flatten the cut grass; by arranging a transmission shaft square shaft on the flattening output shaft through the output shaft universal joint set, and arranging a flattening roller at the end of the flattening roller The square tube of the transmission shaft matched with the square shaft of the transmission shaft ensures the smooth operation of each pair of flattening rollers and improves the stability of flattening grass; the weeding synchronous shaft is arranged perpendicularly to the axial direction of the weeding input shaft, and mutually meshing gears are arranged on them respectively, so that the power transmission is smoother; by arranging a sliding bottom under the cutter disc, it is ensured that the cutter disc cuts the grass after the sliding bottom presses it, which can improve the cutting efficiency and prevent the grass from falling and cutting continuously; by setting the outer diameter of the cutter disc larger than the outer diameter of the sliding bottom, the cutter disc can cut the grass when the sliding bottom presses the grass; by setting multiple cutter shaft driving mechanisms, multiple rows are cut at the same time, which improves the cutting efficiency. The utility model can solve the problem of loose connection with the traction machinery due to long-term operation on uneven ground, enhance the transmission efficiency and the stability of the whole machine, and improve the efficiency of mowing and flattening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings that constitute part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The schematic embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;

[0016] Figure 2 for Figure 1 A three-dimensional structural schematic diagram in another direction;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the utility model without the protective cover;

[0018] Figure 4 for Figure 3 A schematic diagram of the structure from a top view;

[0019] Figure 5 for Figure 4 Schematic diagram of the structure of AA;

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the suspension device in the utility model;

[0021] Figure 7 for Figure 6 A three-dimensional structural schematic diagram in another direction;

[0022] Figure 8 It is a three-dimensional structural schematic diagram of the cutter device and the flattening device in the utility model;

[0023] Fig. 9 It is a schematic diagram of the structure of the front view of the cutter device and the flattening device in the utility model;

[0024] Fig.10 for Fig. 9 A schematic diagram of the structure from a top view;

[0025] Fig.11 for Fig.10 Schematic diagram of the structure of BB.

[0026] In the figure: 1-suspension device, 101-slewing bracket, 102-suspension frame, 1021-slewing shaft, 1022-suspension support sleeve, 1023-left suspension lower fulcrum, 1024-right suspension lower fulcrum, 1025-suspension upper fulcrum, 103-slewing cylinder, 2-transmission device, 201-flattening transmission box, 2011-flattening input shaft, 2012-transmission pulley, 202-transmission shaft square shaft, 3-cutter device, 301-weeding transmission box , 3011-box, 3012-weeding input shaft, 3013-driving pulley, 3014-input shaft bevel gear, 3015-weeding synchronization shaft, 3016-driven bevel gear, 3017-upper knife shaft drive gear, 302-knife shaft drive mechanism, 3021-knife shaft, 3022-lower knife shaft drive gear, 3023-knife disc, 3024-sliding bottom, 4-flattening device, 401-flattening roller, 402-transmission shaft square tube, 5-adjustment rod. DETAILED DESCRIPTION

[0027] In order to make the technical personnel in this field better understand the present application scheme, the following will be combined with the attached Figure 1-11 , a clear and complete description of the technical solutions in the embodiments of the utility model is given.

[0028] When the existing suspended mower and flattener is connected to a traction machine, the connection is prone to loosening due to long-term operation on uneven ground, affecting the stability of mowing and flattening; due to different models of traction machines, the height cannot be adjusted; during operation, there is unstable power transmission and imbalance of the whole machine, which can easily damage the cutter. A rotary grass cutting and flattening machine is provided, comprising a suspension frame connected to a traction machine, a slewing support being rotatably connected to the suspension frame, and a slewing oil cylinder being further connected between the suspension frame and the slewing support; a flattening transmission box driven by a power device is mounted on the slewing support, a driving pulley is mounted on the flattening input shaft of the flattening transmission box, and a flattening device capable of flattening harvested grass is connected to the flattening output shaft through the driving shaft; a weeding transmission box is further mounted on the end of the slewing support away from the suspension frame, a driving pulley is mounted on the weeding input shaft of the weeding transmission box, and belts are wound around the driving pulley and the driving pulley; the weeding input shaft is connected to a weeding synchronization mechanism through gear driving, and the weeding synchronization mechanism is driven and connected to a cutter shaft driving mechanism for harvesting grass. After adopting the above structure, when working, first, the suspension frame is connected to the traction machine. During the working process, as the traction machine moves or the connection point vibrates due to the uneven ground, the slewing bracket can adjust its position with the suspension frame according to the vibration to adapt to the working requirements and improve the stability of the whole machine; then, the power device drives the flattening input shaft of the flattening transmission box to rotate, and the driving pulley on the flattening input shaft rotates accordingly, and the driving pulley is driven by the belt to rotate, and the weeding input shaft on the driving pulley rotates; finally, under the action of the weeding input shaft, the weeding synchronization mechanism is driven to work, and the knife shaft driving mechanism mows the grass; at the same time, the flattening device works to flatten the harvested grass. During the working process, by setting the suspension frame and the slewing bracket rotatably connected thereto, the stability of the whole machine is improved, and the looseness of the connection with the traction machine caused by long-term operation on uneven ground is reduced; by setting the flattening transmission box and the weeding transmission box to synchronously transmit power to the flattening device and the knife shaft driving mechanism, the transmission efficiency is enhanced, and the mowing and flattening efficiency is improved.

[0029] An embodiment is now used to describe the above scheme in detail. For the convenience of description, Figure 4 The left and right directions of are set to the horizontal direction, that is, the left direction is set to the left side, the right direction is set to the right side, the top direction is set to the front side, and the bottom direction is set to the back side; Figure 3 The up and down direction is set to the vertical direction.

[0030] The rotary mower and flattener comprises a suspension device 1 connected to a traction machine, wherein the suspension device 1 comprises a slewing bracket 101, on which a suspension bracket 102 is mounted for connection with the traction machine, wherein the traction machine here adopts a self-propelled traction machine such as a tractor; the suspension bracket 102 comprises a slewing shaft 1021 mounted on the left end of the front side of the slewing bracket 101, and a suspension support sleeve 1022 is sleeved on the outer surface of the slewing shaft 1021 through the slewing shaft 1021, and the suspension support sleeve 1022 is sleeved on the outer surface of the slewing shaft 1021. 022 is set as a cylindrical structure, and a symmetrically arranged left arm and right arm of the suspension bracket are arranged on its outer surface. There is an angle between the left arm of the suspension bracket and the right arm of the suspension bracket, and the opening of the angle is facing the front side, that is, facing the traction machinery, so as to smoothly connect with the traction machinery and ensure a stable connection; the top of the suspension support sleeve 1022 is provided with a suspension upper fulcrum 1025, and the left arm of the suspension bracket is provided with a left suspension lower fulcrum 1023, and the left lower fulcrum 1023 is provided with a left limit The right arm of the suspension bracket is provided with a right suspension lower fulcrum 1024, a suspension upper fulcrum 1025, a left suspension lower fulcrum 1023 and a right suspension lower fulcrum 1024 arranged in a triangular shape to ensure a stable connection with the traction machinery, wherein the right suspension lower fulcrum 1024 is provided with a right limit fulcrum, and a limit pull rod is mounted on the right limit fulcrum. Two spaced and relatively arranged limit plates are also provided at the bottom of the slewing bracket 101, and coaxial limit holes are provided on the two limit plates, and the limit holes are penetrated A limit shaft is installed, and the other end of the limit rod is mounted on the limit shaft and has movable space. A front cylinder swivel support is also arranged on the top of the right arm of the suspension bracket, and a rear cylinder swivel support is arranged on the top of the swivel bracket 101. A swivel cylinder 103 is installed between the front cylinder swivel support and the rear cylinder swivel support to facilitate the swivel bracket 101 to rotate around the swivel shaft 1021 on the suspension bracket 102 to adjust the angle between the suspension bracket 102 and the swivel bracket 101 to adapt to the actual situation for grass harvesting. A transmission device 2 is installed on the side of the rotating bracket 101 away from the suspension frame 102. The transmission device 2 includes a flattening transmission box 201 driven by a power device. The power device adopts a device such as a motor that can provide power. The flattening transmission box 201 is located at the left end of the rear side of the rotating bracket 101. A flattening input shaft 2011 is arranged on the flattening transmission box 201. The flattening input shaft 2011 is arranged along the front-to-back direction and a transmission pulley 2012 is mounted thereon; the flattening output shafts on the flattening transmission box 201 are arranged along the left-to-right direction and the number thereof is set to multiple groups, and each group of flattening output shafts is arranged in pairs, and each pair of flattening output shafts are relatively reversed, and each of the above-mentioned flattening output shafts is mounted with a transmission shaft square shaft 202 through an output shaft universal joint.Preferably, two flattened output shafts are used, which are respectively set as the upper output shaft and the lower output shaft, and the transmission shaft square shaft 202 is set as the upper transmission shaft square shaft and the lower transmission shaft square shaft, the upper output shaft is located above the lower output shaft, the upper output shaft universal joint outer fork is installed at the end of the upper output shaft, the upper output shaft universal joint cross shaft is installed on the upper output shaft universal joint outer fork, the upper transmission shaft square shaft is installed on the upper output shaft universal joint cross shaft, the lower output shaft universal joint outer fork is installed at the end of the lower output shaft, the lower output shaft universal joint cross shaft is installed on the lower output shaft universal joint outer fork, and the lower transmission shaft square shaft is installed on the lower output shaft universal joint cross shaft.

[0031] A cutter device 3 is provided at the right end of the swivel bracket 101, and the cutter device 3 includes two right swivel seats respectively arranged on the front side and the rear side of the swivel bracket 101, the two right swivel seats are arranged opposite to each other and are provided with coaxial mounting holes, the cutter device 3 also includes a weeding transmission box 301 arranged at the right end of the swivel bracket 101, the weeding transmission box 301 includes a box body 3011, and an adjustment rod 5 is provided between the top cover of the box body 3011 and the top of the left end of the swivel bracket 101, that is, a left rod screw is threadedly connected to the top of the left end of the swivel bracket 101, and a right rod screw is threadedly connected to the top cover of the box body 3011, and the left and right rod screws are threadedly connected with the adjustment rod 5 to adjust the position of the weeding transmission box 301; an input shaft is installed on the front side of the box body 3011 The front cover, the convex shaft of the input shaft front cover is inserted into the corresponding mounting hole, the input shaft rear cover is installed on the rear side of the weeding transmission box 301, and the convex shaft of the input shaft rear cover is inserted into the corresponding mounting hole, wherein the front side plate, rear side plate, input shaft front cover and input shaft rear cover of the box body 3011 are provided with coaxially arranged input shaft mounting holes, and the weeding input shaft 3012 is installed in the input shaft mounting hole through a bearing; the rear end portion of the weeding input shaft 3012 is sleeved with a driving pulley 3013, and the driving pulley 3013 is located on the rear side of the outside of the box body 3011, and the driving pulley 2012 and the driving pulley 3013 are sleeved with belts, and the flattened input shaft 2011 and the driving pulley 3013 are also sleeved with a protective cover covering the outside of the driving pulley 2012 and the driving pulley 3013. The above-mentioned weeding input shaft 3012 is also equipped with an input shaft bevel gear 3014 located in the weeding box body 3011, and a weeding synchronization mechanism is also installed in the weeding box body 3011. The weeding synchronization mechanism includes a weeding synchronization shaft 3015 extending along the length direction of the box body 3011, and the weeding synchronization shaft 3015 is axially perpendicular to the weeding input shaft 3012. The front end of the weeding synchronization shaft 3015 is equipped with a driven bevel gear 3016 meshing with the input shaft bevel gear 3014, and a plurality of upper cutter shaft driving gears 3017 are mounted thereon. A plurality of sets of cutter shaft driving mechanisms 302 are arranged at the bottom of the weeding box, and the plurality of sets of cutter shaft driving mechanisms 302 are arranged at intervals and extend along the length direction of the weeding box. The arrangement of this structure can drive a plurality of sets of cutter shaft driving mechanisms 302 to work at the same time as needed, so that a plurality of rows of grass can be harvested at one time, thereby improving work efficiency.Each set of knife shaft driving mechanism 302 includes a knife shaft 3021 installed on the bottom of the weeding box, the end of the knife shaft 3021 located in the weeding box is provided with a lower knife shaft driving gear 3022 meshing with the upper knife shaft driving gear 3017 through a bearing sleeve, the knife shaft 3021 located outside the weeding box is provided with a vertical pipe through a bearing sleeve, a flange is installed at the bottom, and a sliding disk hub is installed at the end through a bearing, a weeding hub is provided between the flange and the box body 3011, and a limit plate is provided in the weeding hub to limit the vertical pipe. The inner diameter of the position plate is larger than the outer diameter of the riser; a cutter disc 3023 is also installed at the bottom of the flange, and there is a gap between the lower end of the cutter disc 3023 and the upper end of the sliding disc hub, and a sliding bottom 3024 is mounted on the pulley hub; wherein, the cutter disc 3023 is configured as a disc-shaped structure, and the edge is inclined toward the corresponding sliding bottom 3024, and the edge of the sliding bottom 3024 is inclined toward the corresponding cutter disc 3023; the outer diameter of the sliding bottom 3024 is smaller than the outer diameter of the cutter disc 3023, so that the cutter disc 3023 can cut the grass after the sliding bottom 3024 flattens the grass. Now, the knife shaft drive mechanism 302 is described in detail as two sets, the knife disc 3023 is set as a left knife disc and a right knife disc, the sliding bottom 3024 is set as a left sliding bottom and a right sliding bottom, and the knife shaft 3021 is set as a left knife shaft and a right knife shaft: the weeding synchronization shaft 3015 is installed with a first upper knife shaft drive gear, and the right end is installed with a second upper knife shaft drive gear. The inner bottom surface of the weeding box body 3011 is equipped with a left knife shaft and a right knife shaft arranged at intervals along its length direction. The left knife shaft located in the weeding box is equipped with a first lower knife shaft drive gear meshing with the first upper knife shaft drive gear, and the right knife shaft located in the weeding box is equipped with a second upper knife shaft drive gear meshing with the second upper knife shaft drive gear. The second lower cutter shaft driving gear; the left cutter shaft located outside the weeding box is provided with a left vertical tube through a bearing sleeve, a left flange is installed at the lower part, and a left sliding disc hub is installed at the end through a bearing, a left weeding hub sleeved on the outside of the left vertical tube is arranged between the left flange and the box body 3011, a left cutter disc is installed at the bottom of the left flange, and a left sliding bottom is sleeved on the left sliding hub; the right cutter shaft located outside the weeding box is provided with a right vertical tube through a bearing sleeve, a right flange is installed at the lower part, and a right sliding hub is installed at the end through a bearing, a right weeding hub sleeved on the outside of the right vertical tube is arranged between the right flange and the box body 3011, a right cutter disc is installed at the bottom of the right flange, and a right sliding bottom is sleeved on the right sliding hub. When the weeding input shaft 3012 rotates, the input shaft bevel gear 3014 thereon is driven to rotate, the driven bevel gear 3016 meshing therewith rotates, the weeding synchronization shaft 3015 mounted on the driven bevel gear 3016 rotates, the upper cutter shaft driving gear 3017 mounted on the weeding synchronization shaft 3015 rotates, and the cutter shaft driving mechanism 302 driven by the upper cutter shaft driving gear 3017 works to cut the grass, that is, the lower cutter shaft driving gear 3022 meshing with the upper cutter shaft driving gear 3017 rotates, the cutter shaft 3021 mounted on the lower cutter shaft driving gear 3022 rotates, and the cutter disc 3023 and the sliding bottom 3024 thereon rotate at the same time. After the sliding bottom 3024 presses the grass, the cutter disc 3023 cuts.

[0032] A flattening device 4 is installed on the rear side of the weeding box body 3011. The flattening device 4 includes two flattening roller brackets arranged on the weeding box body 3011 and spaced and correspondingly arranged along the length direction thereof. A plurality of groups of flattening rollers 401 arranged in pairs are passed through bearings between the flattening roller brackets. The outer surfaces of the flattening rollers 401 are provided with herringbone teeth. Each pair of the paired flattening rollers 401 utilizes the herringbone teeth on the outer surfaces of the rollers for meshing transmission. During the flattening process, the flattening rollers 401 located at the top can float; the herringbone roller patterns of each pair of flattening rollers 401 are correspondingly arranged so that they flatten the forage grass. The plurality of groups of flattening rollers 401 are spaced apart along the walking direction of the walking machine. Each pair of flattening rollers 401 are arranged axially parallel and radially along the vertical direction. The directions are arranged correspondingly, and a transmission shaft square tube 402 is installed at the end of each flattening roller 401 facing the flattening transmission box 201, and the transmission shaft square shaft 202 is inserted into the transmission shaft square tube 402, that is, the flattening output shaft is connected to the flattening device 4 capable of flattening the harvested grass through the transmission shaft drive. Here, the transmission shaft square shaft 202 and the transmission shaft square tube 402 constitute the transmission shaft; a rod bracket and a rod lower fulcrum are also installed at the end of the transmission shaft square tube 402 located above the outside of the flattening roller 401, and a limiting rod is installed on the rod bracket and the rod lower fulcrum, and a limiting rod bracket is installed on the flattening roller bracket. The limiting rod bracket has a long strip of limiting holes and extends in a direction perpendicular to the side of the weeding box, and the end of the limiting rod is inserted in the limiting hole.A pair of flattening rollers 401 is now used for explanation. The flattening rollers 401 are set as an upper flattening roller and a lower flattening roller, the flattening roller brackets are set as left brackets and right brackets, the rod brackets are set as upper rod brackets, and the lower rod fulcrum is set as an upper rod lower fulcrum; wherein, the left bracket and the right bracket are provided with corresponding upper left mounting holes and upper and lower right mounting holes, and corresponding lower left mounting holes and lower right mounting holes, the upper mounting holes and the lower mounting holes are set as long arc structures and are bent toward the rear side, the upper flattening roller is installed in the corresponding upper left mounting holes and upper and lower right mounting holes, so that the upper flattening roller can float as needed during work to ensure that the harvested forage is flattened, and the lower flattening roller is installed in the corresponding lower left mounting holes and lower right mounting holes; the upper flattening roller located on the left side of the flattening roller bracket is provided with an upper rod bracket and a bearing with a diamond seat, the bearing seat with the diamond seat bearing is fixed on the upper rod bracket, and the bearing seat with the diamond seat bearing is fixed on the upper rod bracket. The arrangement of the square seat bearing facilitates installation. An upper rod lower fulcrum is installed on the upper rod bracket, and a left limit rod is installed at the front end of the upper rod bracket and the upper rod lower fulcrum, and a left rod bracket is installed on the left bracket. The left rod bracket is provided with a long left limit hole, and the left limit rod is passed through the left limit hole. In addition, an upper universal joint outer fork is installed at the end of the upper flattening roller located on the outer side of the left bracket, an upper cross shaft is installed on the upper universal joint outer fork, an upper shaft square tube is installed on the upper cross shaft, and an upper transmission shaft square shaft 202 is passed through the upper shaft square tube; a lower flattening roller located on the left side of the flattening roller bracket is provided with a square seat bearing, and a bearing seat with a square seat bearing is fixed on the left bracket, and a lower universal joint outer fork is installed at the end of the lower flattening roller located on the outer side of the left bracket, a lower cross shaft is installed on the lower universal joint outer fork, a lower shaft square tube is installed on the lower cross shaft, and the lower transmission shaft square shaft 202 is passed through the lower shaft square tube.

[0033] When working, first, connect the machine with the traction machinery through the left suspension lower fulcrum 1023 of the left arm of the suspension bracket on the suspension device 1, the right suspension lower fulcrum 1024 of the right arm of the suspension bracket, and the suspension upper fulcrum 1025 on the suspension support sleeve 1022 to ensure that the machine can walk under the traction of the traction machinery, adjust the adjustment rod 5 between the weeding transmission box 301 and the left end top of the slewing bracket 101, so that the weeding transmission box 301 is in an appropriate position; then, the power device is started, and power is input to the flattening input shaft 2011 of the flattening transmission box 201, and the transmission pulley 2012 rotates. Under the action of the belt, the driving pulley 3013 rotates, driving the weeding input shaft 3012 to rotate, driving the input shaft bevel gear 3014 thereon to rotate, and the driven bevel gear 3016 meshing with it rotates, and the weeding synchronization shaft 3015 installed on the driven bevel gear 3016 rotates, and the weeding synchronization shaft 3015 rotates. The upper cutter shaft driving gear 3017 mounted on 015 rotates, and the cutter shaft driving mechanism 302 driven by the upper cutter shaft driving gear 3017 works to cut grass, that is, the lower cutter shaft driving gear 3022 meshing with the upper cutter shaft driving gear 3017 rotates, and the cutter shaft 3021 mounted on the lower cutter shaft driving gear 3022 rotates, and the cutter disc 3023 and the sliding bottom 3024 thereon rotate at the same time. After the sliding bottom 3024 presses the grass, the cutter disc 3023 cuts the grass; the flattening output shaft works, and the power is transmitted to the transmission shaft square tube 402 through the transmission shaft square shaft 202, so that the paired flattening rollers 401 rotate relatively to flatten the cut grass; in the working process, under the action of the rotary cylinder 103, with the vibration caused by the action of the traction machinery or the unevenness of the ground, the rotary bracket 101 can adjust the position with the suspension bracket 102 accordingly to adapt to the work and improve the stability of the whole machine.The utility model improves the stability of the whole machine by providing a suspension frame 102 and a slewing bracket 101 rotatably connected thereto, and installing a slewing oil cylinder 103 between the two, thereby reducing the looseness of the connection with the traction machinery caused by long-term operation on uneven ground; by providing a flattening transmission box 201 and a weeding transmission box 301 to synchronously transmit power to the flattening device 4 and the knife shaft driving mechanism 302, the transmission efficiency is enhanced, and the mowing and flattening efficiency is improved; by providing a transmission shaft square shaft 202 that is mounted on the flattening output shaft through an output shaft universal joint, and providing a transmission shaft square tube 402 that matches the transmission shaft square shaft 202 at the end of the flattening roller 401, it is ensured that The smooth operation of each pair of flattening rollers 401 is ensured, and the stability of flattening grass is improved; the weeding synchronous shaft 3015 is arranged vertically to the weeding input shaft 3012 axially, and mutually meshing gears are arranged on them respectively, so that the power transmission is smoother; the sliding bottom 3024 is arranged below the cutter disc 3023 to ensure that the cutter disc cuts the grass after the sliding bottom presses it, which can improve the cutting efficiency and prevent the grass from falling and being cut continuously; the outer diameter of the cutter disc 3023 is arranged to be larger than the outer diameter of the sliding bottom 3024, so that the cutter disc can cut when the sliding bottom presses the grass; multiple cutter shaft driving mechanisms 302 are arranged to mow multiple rows at the same time, thereby improving the cutting efficiency. The utility model can solve the problem of loose connection with the traction machinery due to long-term operation on uneven ground, enhance the transmission efficiency and the stability of the whole machine, and improve the efficiency of mowing and flattening.

[0034] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A rotary mower and conditioner, comprising a suspension frame (102) connected to a traction machine, characterized in that: The suspension frame (102) is rotatably connected to a slewing support (101); a flattening transmission box (201) driven by a power device is installed on the slewing support (101); a flattening input shaft (2011) of the flattening transmission box (201) is provided with a driving pulley (2012); a flattening output shaft is connected to a flattening device (4) capable of flattening harvested grass via a driving shaft; a weeding transmission box (301) is also installed at an end of the slewing support (101) away from the suspension frame (102); a driving pulley (3013) is provided on the weeding input shaft (3012) of the weeding transmission box (301); a belt is wound around the driving pulley (2012) and the driving pulley (3013); the weeding input shaft (3012) is connected to a weeding synchronization mechanism via gear drive; the weeding synchronization mechanism is connected to a cutter shaft driving mechanism (302) for harvesting grass.

2. The rotary mower and conditioner according to claim 1, characterized in that: The number of the flattened output shafts is set to be multiple groups, each group of the flattened output shafts is arranged in pairs and each pair rotates in opposite directions, and each group of the flattened output shafts is mounted with a transmission shaft square shaft (202) via an output shaft universal joint.

3. The rotary mower and conditioner according to claim 2, characterized in that: The weeding input shaft (3012) is also provided with an input shaft bevel gear (3014) located in the weeding transmission box (301). The weeding synchronization mechanism comprises a weeding synchronization shaft (3015) located in the weeding box and extending along its length direction. The weeding synchronization shaft (3015) is provided with a plurality of upper cutter shaft driving gears (3017) arranged at intervals, and a driven bevel gear (3016) meshing with the input shaft bevel gear (3014) is installed at the end thereof.

4. The rotary mower and conditioner according to claim 3, characterized in that: The blade shaft driving mechanism (302) comprises an upper blade shaft (3021) installed on the bottom of a weeding transmission box (301); the end of the upper blade shaft (3021) located in the weeding transmission box (301) is provided with a lower blade shaft driving gear (3022) meshing with the upper blade shaft driving gear (3017) via a bearing sleeve; and a blade disc (3023) and a sliding base (3024) are respectively installed on the lower part and the end of the upper blade shaft (3021) located outside the weeding transmission box (301).

5. The rotary mower and conditioner according to claim 4, characterized in that: The outer diameter of the cutter disc (3023) is greater than the outer diameter of the sliding base (3024), and there is a distance between the two in the axial direction.

6. The rotary mower and conditioner according to claim 5, characterized in that: The flattening device (4) comprises a plurality of groups of flattening rollers (401) mounted on a weeding transmission box (301), each group of flattening rollers (401) being arranged in pairs, and a transmission shaft square tube (402) matching a corresponding transmission shaft square shaft (202) being mounted at the end of each flattening roller (401).

7. The rotary mower and conditioner according to claim 3, characterized in that: The weeding synchronization shaft (3015) is arranged axially perpendicular to the weeding input shaft (3012).

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