CN207639234U - A kind of hydraulic suspension cotton top-cutting machine - Google Patents

Abstract

A kind of hydraulic suspension cotton top-cutting machine, including：The mainframe being connect with tractor hydraulic suspension mechanism, on mainframe and by the hydraulic station of tractor motive power output shaft driving and power station, it is connected to the intermediate truss of the mainframe rear end, it is connected to the seperated truss of the mainframe left and right ends, the four bar follower of at least one set of hydraulic pressure being distributed on the intermediate truss and the split left and right truss, it is connected at least one set of topping executive device of four bar follower activity montant lower end of hydraulic pressure, the at least one set of strain top identification device being connected in front of topping executive device, connect the strain top recognition and tracking automatic control system of strain top identification device and four bar follower of hydraulic pressure, the topping executive device uses the reciprocating cutterbar of direct current generator driving.The utility model is matched with high-arch tractor, there is independent hydraulic pressure and electric system, and line-spacing is adjustable, and profiling topping operation is without front and back interference problem under the conditions of single ridge dense planting.

Description

A kind of hydraulic suspension cotton top-cutting machine

Technical field

The utility model is related to management machine for cotton fields tool, especially a kind of hydraulic suspension cotton top-cutting machine.

Background technology

For a long time, domestic cotton topping work, which relies primarily on, is accomplished manually, and labour demand of manually pinching is big, efficiency It is low, working environment is severe, while extending Topping Time so that cotton cannot timely be pinched within suitable period, To reduce the yield of cotton.During Cotton Production entire mechanization, from arable land to fertilising, weeding, sowing, final singling, change Anti-, irrigation, cotton harvest each link and realize mechanization substantially, but cotton topping machineryization lags.Topping can not expire by hand The demand of sufficient Large-area Cotton production full mechanization, seriously constrains the growth of output of cotton.

External early stage to some mechanical achievements in research of cotton topping, suspension type and it is self-propelled have relevant patent, realize Hydraulic control mechanization topping.Foreign countries' Cotton Production process big method for mostly using drug control top to cotton at present, because This does not report the research of cotton mechanization topping.

Domestic cotton topping machinery research be in state at the early-stage, university of Shihezi of Xinjiang develop 3MD-12, 20 type tractor rear overhangs hang Mechanical Driven, hydraulic lifting cotton top-cutting machine, 400~900mm of topping height.3MDY-12 type front overhang Hydraulic-driven, hydraulic lifting cotton top-cutting machine are hung, pinch highly 500~900mm, suspension hydraulic-driven, liquid after 3MDZY-12 types Pressure lifting cotton top-cutting machine, 500~900m of topping height], but existing topping mechanomotive force is all common tractor, and ground gap is 400~450mm, passability are poor；Manual operation apparatus for controlling of lifting so that it is inaccurate, not in time to adjust height；Existing equipment The profiling immediately of monomer cotton plants is can not achieve, occurs no marking in topping machine work, hits bell, hits peach, damage cotton leaf phenomenon. 2011, Liu Guanghui etc. was studied and is devised a kind of highly automated control of cotton top-cutting machine cutter based on AT89C52 microcontrollers System processed.Control system uses GP2D12 infrared sensors as cotton plant height measuring element, devises cotton plant height detection System, it is proposed that respective handling algorithm.Meanwhile it by analyzing hydraulicefficiency elevation structure principle, inquiring between cutter and cotton plant height Correlation, and combine electrohydraulic system Automatic Control Theory, establish hydraulic control system mathematical model.2013, what A kind of vertical lift type individual profiling cotton top-cutting machine of the research and designs such as of heap of stone, using center combination Optimum Experiment method, to influencing Experimental study is optimized in machine topping quality and the factor of profiling effect, establishes related coefficient and the speed of travel, hydraulic pressure Quadratic regression model between pump discharge, gauge finder and cutter distance, is vertical lift type individual profiling cotton top-cutting machine Design provides theoretical foundation.Zhang Minghui in 2014 etc. 3MDZF-6 types be vertically moved up or down cotton top-cutting machine on the basis of, with STC89C52 single chip is master controller, and HC-SR04 type ultrasonic sensors are cotton plant height detection element, from detection, control Etc. software aspects set about, software and hardware is integrated well, devises a set of cotton top-cutting machine automatic profiling elevating control system System, achieves the initial achievements of field trial.

In conclusion above several types have respective innovative point, accordingly solve one in the topping operation of cotton machinery A little technological difficulties, but it cannot be well adapted for the agronomic technique requirement of cotton machinery topping, there has been no molding cottons at present Topping machine puts into field topping operation.

Cotton top-cutting machine technical barrier extremely to be solved includes：Strain top recognition and tracking automatic control system；Topping executes Equipment and dynamical system.

Utility model content

The technical problems to be solved in the utility model is to develop a kind of and mating hydraulic suspension of general high-arch tractor Cotton topping machinery, the machine have：Single ridge strain top recognition and tracking automatic control function；At least one set of list ridge direct current generator driving Reciprocating cutterbar；Independent hydraulic station by tractor motive power output shaft driving and power station.

To achieve the goals above, the utility model provides a kind of hydraulic suspension cotton top-cutting machine, including：Hang host Frame, pulley drive assembly, hydraulic station, power station, intermediate seperated truss and left and right ends fission truss, strain top recognition and tracking are certainly The hydraulic lift mechanism of autocontrol system, topping executive device, the suspension mainframe and tractor connects, the intermediate truss It is connected to the rear end of the mainframe, the split left and right truss is connected to the main beam or so on the suspension mainframe Both ends, the strain top recognition and tracking system by strain top identification device, information processing unit and hydraulic control, four bar of hydraulic pressure with Track mechanism forms, and at least one set of four bar follower of hydraulic pressure is distributed on the intermediate truss and split left and right truss, institute It states topping executive device to be made of dc motor, transmission case and connecting seat, twolip reciprocating cutterbar, be beaten described at least one set Top executive device is connected to the lower end of four bar follower activity montant of each group hydraulic pressure, and at least one set of strain top is known Other device is connected to the front for executive device of pinching described in each group.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein the suspension mainframe hangs knot column, pair by main beam, truss Crossbeam, left and right sides side bar, halfpace and trifilar suspension link composition, the main beam are square steel structure, the main cross Plane centre position is equipped with the pulley drive assembly on beam, the transmission shaft of the pulley drive assembly and tractor The relative position of output shaft is parallel on the vertical plane, and the upper extension Node connectedness frame of the trifilar suspension link is triangle branch Frame, the main beam both ends are equipped with truss vertically upward and hang knot column.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein be equipped with liquid on the halfpace of the suspension mainframe The oil pump in pressure station and power station, the hydraulic station can be single pump or multi-joint oil pump, hydraulic station further include filtering, heat dissipation and system Pressure control device, the power station can be 24 volts of single generators of direct current or multiple generators, power station further include electric power storage Pond and electric control gear, the pulley drive assembly are by the spline drived axle construction of duplex bearing disjunctor bearing support, and spline passes One end spline of moving axis is socketed with Hooks coupling universal coupling, and the other end is keyed with drive pulley, and the drive pulley passes through biography Dynamic belt drives oil pump and generator operation.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein the intermediate truss and left and right sides fission truss are with going Fall the frame structure of the square triangular-section at the upper angle in part, the rear end of the truss after upper and lower rear cross beam and truss by standing Column constitutes vertical frame plane, and the front end of the truss is made of inclined front beam, truss left and right ends cant beam above and below truss The bottom of preceding oblique frame plane, the suspension truss constitutes bottom water by longeron under bottom end rail, truss left and right ends before and after truss The top of flat frame plane, the suspension truss constitutes top horizontal by upper beam, truss left and right ends upper longitudinal beam before and after truss The left and right ends of frame plane, the truss respectively constitute left and right end portions frame plane, institute by upper and lower longeron, rear column, cant beam It states and is provided with the adjustable monomer cant beam at least one set of lateral position between the front beam up and down of the preceding oblique frame plane of truss, it is described Seperated electrofluidic control device, the longeron up and down at the intermediate truss both ends are provided on the bottom level frame plane of truss It is connect with the left and right side bar of the mainframe, the back flap hinge of the left and right sides fission truss end neutral upright position setting It is mating hinged that the truss of chain seat and main beam hangs the folding hinge seat being arranged on the outside of knot column.The intermediate truss and the main cross It is equipped with fastening lacing wire between the triangle extension knot holder of beam, the triangle extension of the left and right sides fission truss and the main beam is tied Fastening lacing wire is equipped between holder.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein four bar follower of the hydraulic pressure is by four bar followers and liquid Compressing cylinder forms, and the fixation front bar of four bar followers is exactly the monomer cant beam of truss, and four bar followers pass through fixed front bar It is connected between the front beam up and down of truss, at least one set of single four bar follower of ridge monomer is connected to the monomer cant beam Rear end and the bottom end rail for hanging truss is sleeved in its parallelogram lever, the activity rear bar lower parts of four bar followers connects It is connected to V-type connector, V-type connector connection topping executive device.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein the V-type of the activity rear bar lower part connection of the four bars follower Connector is the v-component more than 90 ° of interior angles that (or cast steel is cast) is converted by steel plate, and one section of V-type connector is vertically downward Connect with topping executive device by bolt, the lateral surface that another section of V-type connector and four bar follower activity rear bars outside Side lower is overlapped and is bolted.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein the motor for executive device of pinching is 12~36 volts 250 watts or more Direct current generator, executive device of pinching the transmission ratio of transmission case to meet under rated load driven gear rotating speed be 1500 revs/min, The crank shaft of the reciprocating cutterbar for executive device of pinching is arranged on driven gear.

The transmission case and connecting seat of the topping executive device are the casting of an integral Al-alloy or other composite materials, even Joint chair divides upper vertical connection mortise and horizontal connection mortise.One end of the upper vertical connection mortise and V-type connector is fixed Position be socketed simultaneously fixed by fastening bolt, upper vertical connection mortise and V-type connector fastening bolt holes be it is symmetrical, Can meet reciprocating twolip cutter can left-hand installation again can dextrad installation needs.The horizontal connection mortise is one logical Hole positions with sensor strut and is socketed and is fixed by fastening bolt, and sensor strut should make sensor be placed in topping execution It is socketed in horizontal connection mortise under the premise of in front of device.At least one set topping executive device is connected to each group hydraulic pressure four The lower end of bar follower activity montant, at least one set of strain top photoelectric recognition device are connected to each group topping executive device Front.

Above-mentioned hydraulic suspension cotton top-cutting machine, wherein the strain top recognition and tracking automatic control system is identified by strain top Device, information processing unit, hydraulic control, four bar follower of hydraulic pressure, topping executive device, power station, hydraulic station group At.Strain top identification device includes photoelectricity identification sensor, sensor stand, and information processing unit includes message processing module, letter Amplification module is ceased, hydraulic control is the hydraulic integrated valve block by solenoid valve control, and setting is before pinching executive device most The strain top identification device at end is electrically connected with message processing module, and message processing module is electrically connected with signal amplification module, and signal is put Big module is electrically connected with the solenoid valve of hydraulic integrated valve block, and up and down oil circuit and four bar of monomer of hydraulic integrated valve block track The up and down oil communication of the hydraulic cylinder of mechanism.Power station provides DC power supply for system information circuit, have simply connected or The hydraulic station of multi-joint oil pump is respectively that the tracking oil cylinder of at least one set of four bar followers provides system pressure.

The beneficial functional of the utility model is：Multirow hydraulic suspension cotton top-cutting machine uses hydraulic suspension operation and power Output shaft type of drive can substantially reduce equipment acquisition cost with high-arch tractor supporting operation；It is exported by tractor dynamic power Shaft-driven independent hydraulic station and power station, enable topping machine to establish one's own system, and profile tracking system is identified for hydraulic servo strain top System and topping cutting work components with power are supported；It can realize width adjusting, meet various line-spacing condition requirements, have preferable Field passability；With monomer uniline profile modeling function, recognition and tracking is accurate, realizes that tracking topping with plant height automatic profiling makees Industry；Reciprocating twolip cutter is driven with direct current generator, it can be to the accurate topping of strain top profiling under the conditions of dense planting and without front and back Interference；Mechanization topping is tens times of artificial topping working efficiency, can alleviate cotton topping season artificial difficulty seek, labour cost High pressure reduces cotton planting cost；Provide a kind of topping machinery of suitable large area plot cotton topping operation.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the utility model postposition hydraulic suspension cotton top-cutting machine；

Fig. 2 is the dimensional structure diagram of the utility model post suspending mainframe；

Fig. 3 is the dimensional structure diagram of the utility model fission truss；

Fig. 4 is the dimensional structure diagram of the preposition hydraulic suspension cotton top-cutting machine of the utility model；

Fig. 5 is the utility model dynamical system drive mechanism figure；

Fig. 6 is the structural schematic diagram of the utility model topping executive device；

Fig. 7 is the utility model truss hydraulic foldable articulated structure schematic diagram；

Fig. 8 is the utility model strain top recognition and tracking automatic control system block diagram.

The seperated truss in 1. right sides, 2. mainframes, 3. hydraulic stations and power station in Fig. 1,4. intermediate trusses, 5. left sides are seperated Truss, 6. topping executive devices, 7. plants of top identification devices, 8. pulley drive assemblies, 9. hydraulic pressure, four bar follower, 10. points Body electrofluidic control device.

11. main beam in Fig. 2, suspension holdfast on 12., 13. pull rods, 14. extending foot leading screws, it is vertical that 15. truss hang knot Column, 16. longitudinal attaching beams, 17. folding pins, 18. attached crossbeams, 19. generators, 20. hydraulic control devices, 21. accumulators, 22. Hydraulic oil container, 23. electric control gears, 24. halfpaces, 25. multi-joint hydraulic oil pumps, 26. oil pump belts, 27. times suspension holdfasts, 28. truss folds hinged seat.

Rear cross beam on 29. truss in Fig. 3, rear cross beam under 30. truss, 31. seperated information processing units, 32. electromagnetic hydraulic pressures Integrated valve block (seperated hydraulic control device), front beam on 33. truss, front beam under 34. truss, 35. truss rear columns, 36. Truss upper longitudinal beam, cant beam before 37. truss, longeron, 39. monomer cutter driving motors, 40. sensors and branch under 38. truss Bar, 41. reciprocating cutterbars, 42. transmission cases and connecting seat, 43.V type connectors, 44, it is (removable that four-bar mechanism fixes front bar Monomer cant beam), 45. hydraulic cylinders, 46. sensor stands, 47. photoelectricity identification sensors, 48. four-bar mechanism underarms, 49. 4 Linkage activity rear bar, 50. four-bar mechanism upper arm, 51. line-spacings are adjustable lower fixing sleeve.52. line-spacing is adjustable upper fixing sleeve.

1. left seperated truss, 3. hydraulic stations and power station in Fig. 4,4. intermediate trusses, 5. right seperated truss, 53.. are preposition Hang knot holder, 54. preposition hydraulicefficiency elevation structures, 55. truss folding hinge seats, 56. tractors hang knot holder after 57..

58. generator pulley in Fig. 5,59. generator drive gear bands, 60. mount for power system, 61. oil pump belt pulleys, 62. drive pulley, 63. active shaft stools, 64. spline shafts, 11. main beams.

65.V types connector tenon mouth in Fig. 6,66.V body fastening bolts, 67. sensor strut hole seats, 68. sensor struts Hole seat fastening bolt.

28. truss folding hinge seat in Fig. 7,15. truss hang knot column, 55. folding rams, 18. attached crossbeams, 35. truss Rear column.

46. photoelectricity identification sensor in Fig. 8,47. sensor stands, 69. message processing modules, 70. information amplification modules.

Specific implementation mode

The structural principle of the utility model and embodiment are illustrated below in conjunction with the accompanying drawings.

Cotton top-cutting machine in Fig. 1 is usually hung and the high-clearance (700mm or more) of power output shaft drags with after having Machine drawing supporting operation, can configure the line number of topping machine according to the power size of tractor, and the topping machine of multirow wide cut uses both sides Folding splitting truss structure.After the whole height adjusting of hydraulic suspension cotton top-cutting machine manually manipulates tractor by driver Control crank control is hung, the height of whole truss, which should be controlled, to be in total travel centre position in four bar followers 9 and be equal to The height of average plant height.

(such as Fig. 1) can be arranged in the cant beam plane of the seperated truss 1,4,5 of cotton top-cutting machine in Fig. 1 forward, can also It is arranged backwards.

The centre position of main beam 11 is fixed with suspension holdfast 12,27 up and down in Fig. 2, and left and right end portions are respectively vertically and fixedly provided with purlin Frame hangs knot column 15, and main beam 11 collectively forms post suspending mainframe 2 with several attaching beams 16,18 and pull rod 13.In square steel tube The truss of structure, which is hung, to be respectively provided with truss on the outside of 15 left and right ends of knot column and folds hinged seat 28, and on corresponding seperated truss 1,5 Truss fold 28 mating connection of hinged seat, constitute the main bearing that gathering was organized work and was folded to split left and right truss 1,5.Purlin What frame hung knot column 15 is internally provided with extending foot leading screw 14, and when work is contracted in square tube 15, by top crank when parking Extending foot leading screw 14 is screwed out from bottom to suitable height.Folding pin 17 is unfolded to support fuselage when parking.

Seperated truss in Fig. 3 is the frame structure with the square triangular-section for removing the upper angle in part, truss Front end constitutes vertical frame plane by upper and lower rear cross beam 29,30 and truss rear column 35, and the front end of truss is by preceding cross above and below truss Beam 33,34 and truss left and right ends cant beam 37 constitute inclined preceding oblique frame plane, hang the bottom of truss by under before and after truss Longeron 38 constitutes bottom level frame plane under crossbeam 30,34 and truss left and right ends, before and after hanging the top of truss by truss Upper beam 29,33 and truss left and right ends upper longitudinal beam 36 constitute top horizontal frame plane, the upper and lower longeron in left and right ends of truss 36,38 and rear column 35, cant beam 37 respectively constitute left and right end portions frame plane.At least one set moves monomer cant beam 44 and is connected to Between upper and lower front beam and lateral position is adjustable, and multiple removable monomer cant beams 44 are before being distributed on oblique frame plane.In seperated purlin Central space position on 1,4,5 bottom level frame plane of frame is also equipped with seperated electrofluidic control device 31,32, intermediate truss The longeron up and down 36,38 at 4 both ends is connect with the left and right side bar 16 of mainframe 2, among left and right sides folding splitting truss 1,5 ends The vertical hinged seat 28 that folds of position is corresponding with the folding hinged seat 28 in 15 outside of main beam truss extension knot column, passes through axis pin Realize that the hinge connection of left and right sides foldable truss 1,5 and mainframe, intermediate truss 4 are hung on the triangle of main beam 11 It is equipped with fastening lacing wire 13 between holder 12, fastening is equipped between suspension holdfast 12 and truss extension knot column 15 on the triangle of main beam 11 Lacing wire, the cantilever end and truss of left and right sides folding splitting truss 1,5 are equipped with fastening lacing wire 13 between hanging 15 top of knot column.

Pass through the adjustable fixation of line-spacing in Fig. 3 on the truss of preceding oblique frame plane under front beam 33, truss between front beam 34 Set 52,51 accepts at least one set of monomer cant beam 44, and the lateral connection position of monomer cant beam 44 is adjustable, and monomer cant beam 44 is exactly monomer The front bar 44 of four bar followers 9 is fixed under four bar follower upper arm 50 of 44 rear end face of monomer cant beam, four-bar mechanism By 34 frame of front beam under truss in centre, the movement locus of four bar follower rear bars 49 is one for arm 48, four-bar mechanism rear bar 49 Item is parallel to the oblique line that turns forward of monomer cant beam 44, and rear cross beam 34 defines the stroke of four bar follower rear bars 49 under truss Position.The vertical stroke of four bar follower rear bars 49 is 25cm or so.

Monomer tracking oil cylinder is hinged between four bar follower front bars 44 and four bar follower upper arm 50 described in Fig. 3 45, the flexible of control monomer tracking oil cylinder 45 controls the movement of four bar followers 9, when four bar followers 9 move upwards When, four bar follower rear bars, 49 actual motion direction is to move rearwardly and upwardly, vice versa.

Fig. 4 is the dimensional structure diagram of preposition hydraulic suspension cotton top-cutting machine, and seperated truss 1,4,5 is arranged in tractor 56 front, the vertical elevation frame of each fission truss backwards, front hanging knot are connected on intermediate fission 4 vertical elevation frame of truss Holder 53 hangs knot in the front of tractor 56 by preceding hydraulic lift mechanism 54.The hydraulic pressure of preposition hydraulic suspension cotton top-cutting machine It stands and is still arranged at the rear portion of tractor 56 with power station 3, connect with rear extension knot holder 57.The upper and lower of front hanging knot holder 53 is hinged Point is hinged with the upper and lower cross bar of hydraulic lift mechanism 54 respectively, and the height and position of whole truss is manually controlled by driver.Work as machine Topping device truss is first promoted to certain altitude position above cotton plants group, is relatively fixed not in field work by vehicle It is dynamic, when group's plant height changes, and when monomer follower profiling cannot be in place, rise of a truss need to be manually adjusted in time Degree.In road transport, entirety truss is located in suitable height.

Hydraulic station in Fig. 5 is arranged with power station 3 on the halfpace 24 of mainframe 2, and hydraulic station includes：Multi-joint hydraulic pressure Oil pump 25, hydraulic oil container 22, hydraulic control device 20 and filtering, radiator；Power station 3 includes in parallel with generator 19 Accumulator 21 and electric control gear 23.Pulley drive assembly 8 is fixed on main beam 11, is led to by the power output shaft of tractor Cross Hooks coupling universal coupling driving spline shaft 64, drive pulley 62 rotates.

The oil pump 24 of hydraulic station in Fig. 1, Fig. 5 is three oil pumps, the seperated truss of each hydraulic oil pump correspondence one Seperated hydraulic control device 32.

In Fig. 5, two 24 overhead generator of direct current, 19 parallel operations are selected in the power station of this embodiment, and each generator 19 is simultaneously Connection drives 9 monomer cutter driving motors 39 to work.Electric control gear 31 connects generator 19 and is cut to each monomer with accumulator 21 39 parallel operation of cutter driving motor.

Fig. 5 middle belt pulleys drive assembly 8 is 59 groups of the spline shaft supported by the belt wheeling support 58 of disjunctor duplex bearing At one end of spline shaft 59 is that splined shaft is connect with the spline housing of Hooks coupling universal coupling (not shown), and other end installation is actively Belt pulley 57, tractor motive power output shaft drive drive pulley 57 to rotate by Hooks coupling universal coupling, then by 26 band of driving belt The belt pulley 56,61 of dynamic oil pump 25 and generator 19 rotates.

The transmission case and connecting seat 42 of executive device 6 of pinching in Fig. 6 are the castings of an integral Al-alloy or other composite materials Part, connecting seat divide upper vertical connection mortise 63 and horizontal connection mortise 65.The upper vertical connection mortise 63 is connect with V-type One end positioning of body 43 is socketed and is fixed by fastening bolt 64, and upper vertical connects the fastening of mortise 63 and V-type connector 43 Bolt hole is symmetrical, can meet reciprocating twolip cutter 41 can left-hand installation again can dextrad installation needs.Institute It is a through-hole to state horizontal connection mortise 65, is positioned with sensor strut 40 and is socketed and is fixed by fastening bolt 66, sensor Strut 46 can connect together under the premise of ensureing that sensor 47 is placed in front of topping executive device from any direction.

The left seperated truss 1 of cotton top-cutting machine in Fig. 7,5 one side end centre position of right seperated truss are vertically arranged with Truss folding hinge seat 28, the truss of mainframe 2 hang 15 outside of knot column and are equipped with truss folding hinge seat 28, and the two corresponds to hinge The folding exhibition function of chain link, split left and right truss 1,5 is executed by hydraulic foldable oil cylinder 55, and one end axis pin of folding ram 55 is solid It is scheduled on the attached crossbeam 18 of mainframe 11, the other end axis pin of folding ram 55 is fixed on the rear column of seperated truss 1 (or 5) On 35.Intermediate truss 4 is connect with longitudinal attaching beam 16 of 2 rear end of mainframe.The folding of split left and right truss 1,5 opens up oil cylinder 55 by driving The rear suspension control crank of the person's of sailing manual manipulation tractor controls.

Fig. 8 is the utility model strain top profile tracking system block diagram, and workflow is：High-arch tractor hangs cotton With gait of march u, in farm work, the strain top identification sensor 47 in 6 front end of topping executive device is arranged to same in flower topping machine The strain top position P of the cotton plants of side duplicate rows carries out track following, the strain top position P information that identification sensor 47 searches It is sent to message processing module 69, information that treated becomes that electric energy is driven to be transmitted to electromagnetic hydraulic pressure collection through signal amplification module 70 At valve block 32, integrated valve block 32 opens corresponding hydraulic circuit according to the instruction of message processing module 69 and pushes four bar followers 9 oil cylinder 45 works, and the topping executive device 6 for being connected in four bar followers, 9 lower end moves synchronously implementation with follower 9 and beats Operation is pushed up, the change in location for executive device 6 of pinching is by being associated in the drive strain of sensor stand 46 top identification sensor 47 thereon Synchronous variation.Strain top identification sensor 47 after change in location continues the strain top position P current in Present location search, then will letter Breath is sent to message processing module 69, works repeatedly.It can be preset by message processing module 69 and control is delayed immediately Time T and gait of march u, power station 3 provide 24 volts of DC power supplies for system, and the hydraulic station 3 with multi-joint oil pump is respectively extremely The tracking oil cylinder 45 of few one group of four bar follower 9 provides system pressure.

Strain top recognition and tracking automatic control system in Fig. 8 is a kind of closed cycle automatic control system, in the present embodiment Difference can be risen to strain of the vertical height within the scope of 30cm and tracking is identified.The present embodiment is by tractor gait of march The telescoping vertical speed of 2.5km/h~3km/h setting tracking oil cylinders.

The utility model hydraulic suspension cotton top-cutting machine can be designed to 2 ridge, 4 row~18 ridge, 36 row according to mating power situation Specifications and models, it is the configuration of 18 ridge, 36 row that the topping machine of foldable truss, the present embodiment are selected in more ridge wide cut operations.

The utility model hydraulic suspension cotton top-cutting machine has the square triangular-section for removing the upper angle in part using purlin Frame structure, suspension truss bottom level frame plane be convenient for ridge install seeding collecting device.

The utility model hydraulic suspension cotton top-cutting machine whole truss depth control also can be used the profiling of whole strain top with The realization of track automatic control system automatically controls.

Certain the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence In the case of, those skilled in the art work as can make various corresponding change and deformations according to the utility model, or be used for The topping operation of other plants, but these corresponding change and deformations should all belong to the guarantor of the utility model the attached claims Protect range.

Claims (9)

1. a kind of hydraulic suspension cotton top-cutting machine, which is characterized in that including：Mainframe (2), intermediate truss (4) and split left and right Truss (1,5), hydraulic station are filled with power station (3), pulley drive assembly (8), strain top identification device (7), seperated hydraulic control Set (10), four bar follower (9) of hydraulic pressure, topping executive device (6) and strain top recognition and tracking automatic control system, the host Frame (2) is connect with the hydraulic lift mechanism of tractor, and the intermediate truss (4) is connected to the rear end of mainframe (2), the left and right Seperated truss (1,5) is connected to the left and right ends of mainframe (2), and strain top identification device (7) is identified by photoelectricity and sensed Device (47), sensor stand (46), message processing module (69) and information amplification module (70) composition, the tracking of four bar of the hydraulic pressure Mechanism (9) includes that four-bar mechanism fixes front bar, underarm (50,48), four-bar mechanism activity rear bar (49), hydraulic oil on four-bar mechanism Cylinder (45) and V-type connector (43), the topping executive device (6) is by monomer cutter driving motor (39), transmission case and company Joint chair (42), reciprocating cutterbar (41) composition, at least one set of four bar follower (9) of hydraulic pressure are distributed in intermediate truss (4) and on split left and right truss (1,5), at least one set of topping executive device (6) is connected to four bar machine of each group The lower end of structure activity rear bar (49), at least one set of strain top identification device (7) are connected to topping described in each group and execute dress Set the front of (6).

2. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the mainframe (2) is by main beam (11), truss is hung knot column (15), attached crossbeam (18), longitudinal attaching beam (16), halfpace (24) and mounting holder (57) and is formed, Main beam (11) is square steel structure, and plane centre position is equipped with the pulley drive assembly (8), main cross on main beam (11) Halfpace (24) is equipped between beam (11) and attached crossbeam (18), halfpace is equipped with the hydraulic station and power station on (24) (3), the oil pump of hydraulic station can be single pump or multi-joint oil pump (24), power station can be the single generators or more of 24 volts of direct current A generator (19)；Mounting holder (57) is fixed on main beam (11), hangs the suspension holdfast (12) that node is triangle thereon, Truss hangs knot column (15) and is connected to main beam (11) both ends vertically upward.

3. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the pulley drive assembly (8) is By duplex bearing disjunctor active shaft stool (63) support spline shaft (64) structure, one end spline of spline shaft (64) with Tractor Hooks coupling universal coupling is socketed, and the other end is keyed with drive pulley (62), and drive pulley (62) passes through driving belt Drive oil pump and generator operation.

4. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the intermediate truss (4) and left and right point Body truss (1,5) is with the frame structure for the square triangular-section for removing the upper angle in part, and the front end of truss is by truss Oblique frame plane before cant beam (37) and removable monomer cant beam (44) are constituted before lower front beam (33,34), left and right ends truss, until Few one group removable monomer cant beam (44) is connected between front beam (33,34) up and down plan-position and laterally adjustable；Truss Bottom constitutes horizontal frame plane by longeron (38) under bottom end rail before and after truss (34,30), truss left and right ends, and horizontal frame is flat Seperated electrofluidic control device (10) is provided on face；Longeron (36,38) and mainframe above and below the truss at intermediate truss (4) both ends (2) longitudinal attaching beam (16) connection at left and right sides of；The back flap hinge of left and right sides fission truss (1,5) end neutral upright position setting It is mating hinged that the truss of chain seat (28) and main beam (11) hangs the folding hinge seat (28) being arranged on the outside of knot column (15).

5. hydraulic suspension cotton top-cutting machine as claimed in claim 4, which is characterized in that the removable monomer cant beam (44) is just It is the four-bar mechanism fixation front bar of four bar follower (9) of hydraulic pressure, at least one set is connected to removable monomer cant beam (44) rear end Four bar follower (9) of monomer hydraulic the lower rear cross beam (30) of truss is sleeved in its parallelogram lever.

6. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the V-type connector (43) is thick steel The component more than 90 ° of interior angles that plate is converted into, its one section pass vertically downwards through bolt and are connect with the topping executive device (6), Another section of lateral surface is overlapped and is bolted with the lateral surface lower part of the four-bar mechanism activity rear bar (49).

7. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the drive of the topping executive device (6) Dynamic motor (39) is 12~36 volts 250 watts or more of direct current generator, the passive tooth rotation of described topping executive device (6) transmission case Speed is 1500 revs/min or more, and the crank shaft of the reciprocating cutterbar (41) of the topping executive device (6) is arranged in driven gear On.

8. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that the biography of the topping executive device (6) Dynamic case and connecting seat (42) are the casting of an integral Al-alloy or other composite materials, and connecting seat has upper vertical to connect mortise (65) and horizontal connection mortise (67)；Upper vertical connects mortise (65) and one end positioning of V-type connector (43) is socketed, top Vertical connection mortise (65) and the fastening bolt holes (66) of V-type connector (43) are symmetrical；Horizontal connection mortise (67) It is a through-hole, with sensor strut (40) positioning socket and can front and back tuning installation.

9. hydraulic suspension cotton top-cutting machine as described in claim 1, which is characterized in that strain top recognition and tracking automatic control system By the photoelectricity identification sensor (47), sensor stand (46), message processing module (69), information amplification module (70), electricity The photoelectricity in described topping executive device (6) front end is arranged in magnetic hydraulic integrated valve block (32), hydraulic cylinder (45) composition Identification sensor (47) is electrically connected with described information processing module (69), and described information processing module (69) is amplified with described information Module (70) is electrically connected, and described information amplification module (70) is electrically connected with the solenoid valve of the electromagnetic hydraulic pressure integrated valve block (32), The hydraulic cylinder of the up and down oil circuit and four bar follower (9) of the hydraulic pressure of the electromagnetic hydraulic pressure integrated valve block (32) (45) up and down oil communication, power station provide DC power supply for system information circuit, with simply connected or multi-joint oil pump Hydraulic station is respectively that the hydraulic cylinder (45) of four bar follower (9) of at least one set of hydraulic pressure provides system pressure.