CN201986428U - Self-propelled cotton topping device - Google Patents
Self-propelled cotton topping device Download PDFInfo
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- CN201986428U CN201986428U CN 201020631191 CN201020631191U CN201986428U CN 201986428 U CN201986428 U CN 201986428U CN 201020631191 CN201020631191 CN 201020631191 CN 201020631191 U CN201020631191 U CN 201020631191U CN 201986428 U CN201986428 U CN 201986428U
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Abstract
The utility model relates to a self-propelled cotton topping device including a self-propelled chassis and a topping system. The topping system is connected to front end of the self-propelled chassis via a hanging bracket and includes a floating rack, a profiling system installed on the floating system, and a topping execution system, wherein the profiling system comprises an integral profiling part connected with the floating rack and a monomer profiling part connected with the topping execution system. The self-propelled cotton topping device employs a monomer profiling control system, such that the through ability of the facility is excellent and the cotton topping omitting rate is reduced, thereby not only ensuring the through ability of the topping device in cotton fields, but also ensuring the cotton monomer profiling accuracy topping. The self-propelled cotton topping device enables realization of mechanization cotton topping, reduces labor intensity of cotton farmers, ensures accomplishment of cotton topping work, and greatly increases economic benefit.
Description
Technical field
The utility model relates to the field management equipment that grows cotton, particularly a kind of self-propelled cotton topping machine.
Background technology
Abroad in early days to some achievement in research of cotton top-cutting machine tool, suspension type all has a relevant patent with self-propelled, realized that hydraulic control mechanization pinches, therefore at present external Cotton Production process does not see the correlative study that cotton mechanization is pinched abroad at present as yet to the method for the top employing medicine control of cotton.The research that it is mechanical that domestic cotton is pinched is in state at the early-stage, the patent No. is " ZL200620146839.7 ", name is called the Chinese utility model patent of " front-mounted type hydraulic pressure cotton top-cutting machine ", can be when cotton be pinched, in time understand and regulate the height that cotton seedling is pinched, but this topping machine relies on operating personnel to estimate the cotton growing way, raise by elevating mechanism control rotation topping off knife by operating personnel again or reduce, the manual operation apparatus for controlling of lifting, it is bigger influenced by human factor, makes that adjusting is highly inaccurate, untimely; The patent No. is " ZL200720126953.8 ", name is called the Chinese utility model patent of " cotton top-cutting machine of adjusting height automatically ", can realize adjusting the height of pinching automatically to face of land profiling with at cotton plant face of land height, but this mechanism is very complicated, cost is very high, is unfavorable for utilization and extention; Application number is " 200910113205.X ", name is called the disclosed cotton top-cutting machine of Chinese invention patent application of " profile modeling cotton top-cutting machine ", can measure also profiling to the cotton of differing heights at topographic features, but can not realize the profiling immediately of monomer cotton plants.Simultaneously, above-mentioned cotton top-cutting machine can not be realized the profiling immediately of monomer cotton plants, and power is common tractor, and crack, common tractor ground is 400-450mm, and trafficability characteristic is poor, occurs no marking in the work easily, hits bell, hits peach, damages phenomenons such as cotton leaf.
The utility model content
Technical problem to be solved in the utility model provides that a kind of trafficability characteristic is good, the high-clearance self-propelled cotton top-cutting machine of the profiling immediately that may realize the monomer cotton plants.
To achieve these goals, the utility model provides a kind of self-propelled cotton topping machine, wherein, comprise implement porter and the system of pinching, the described system of pinching is connected described implement porter front end by a hanger bracket, the system of pinching comprises floats frame and is installed in the copying system on the described unsteady frame and the executive system of pinching, described copying system comprises whole profiling parts and individual profiling parts, described whole profiling parts are connected with described unsteady frame, and described individual profiling parts are connected with described executive system and the described unsteady frame of pinching.
Above-mentioned self-propelled cotton topping machine, wherein, the described executive system of pinching comprises at least one group of cutting tool assembly of pinching, the described cutting part of pinching comprises cutter shaft assembly and the drum-type cutter that is installed on the described cutter shaft assembly, described cutter shaft assembly is connected with the gear motor of described implement porter, and described cutter shaft assembly is installed on the described unsteady frame.
Above-mentioned self-propelled cotton topping machine wherein, is staggeredly arranged before and after the adjacent described cutting tool assembly of pinching.
Above-mentioned self-propelled cotton topping machine, wherein, described individual profiling parts comprise cutter crane, distance measuring sensor, displacement transducer and knife rest hoist cylinder, described cutter crane is installed on the described unsteady frame, described knife rest hoist cylinder is installed on the described cutter crane, described distance measuring sensor is connected with described cutter crane, and described displacement transducer and described unsteady frame are hinged.
Above-mentioned self-propelled cotton topping machine, wherein, described implement porter comprises vehicle frame and is installed in control room, front-wheel, trailing wheel and power and hydraulic system on the described vehicle frame that described front-wheel and described trailing wheel are connected with described power and hydraulic system respectively.
Above-mentioned self-propelled cotton topping machine, it is characterized in that, described implement porter also comprises the mechanical electronic hydraulic control system that is used to control described self-propelled cotton topping machine realization individual profiling and the closed-loop control of whole profiling automatic lifting, described mechanical electronic hydraulic control system is arranged in the described control room, described distance measuring sensor is connected with described mechanical electronic hydraulic control system by a signal condition module, and described knife rest hoist cylinder is connected with described mechanical electronic hydraulic control system respectively with described displacement transducer.
Above-mentioned self-propelled cotton topping machine is characterized in that, electro-hydraulic proportional valve and proportional amplifier also have been linked in sequence between described knife rest hoist cylinder and the described mechanical electronic hydraulic control system.
Above-mentioned self-propelled cotton topping machine, it is characterized in that, described whole profiling parts comprise profiling land wheel, quadric chain, land wheel hoist cylinder and profiling ground wheeling rack, described profiling ground wheeling rack one end is connected with described unsteady frame, described profiling land wheel is connected with the other end of described profiling ground wheeling rack, described land wheel hoist cylinder is arranged on the described profiling ground wheeling rack, and described quadric chain is connected with described unsteady frame and described hanger bracket respectively.
Above-mentioned self-propelled cotton topping machine, wherein, the described system of pinching also comprises unsteady oil cylinder, described unsteady oil cylinder is installed on the described hanger bracket.
Above-mentioned self-propelled cotton topping machine, wherein, described power and hydraulic system comprise duplex gear pump, a pump of described duplex gear pump is connected with described knife rest hoist cylinder, and another pump of described duplex gear pump is connected with described unsteady oil cylinder, described land wheel hoist cylinder and described gear motor respectively.
Above-mentioned self-propelled cotton topping machine wherein, also comprises spraying system or broadcast application mechanism, and described spray pesticide system is arranged on the rear portion of described implement porter or the front portion that described broadcast application mechanism is arranged on described implement porter.
Beneficial functional of the present utility model is: self-propelled cotton topping machine of the present utility model, the preposition device of pinching, adopt the individual profiling control system, the trafficability characteristic of facility is good, the cotton no marking rate of pinching reduces, and rearmounted spraying system develops to the integration of operation direction simultaneously, realize multi-function operation, reduced operating cost and equipment and dropped into expense.Can guarantee the trafficability characteristic of topping machine, can guarantee that again the cotton individual profiling accurately pinches in the cotton field.Realized that the mechanization cotton pinches, alleviated cotton grower's labour intensity, guaranteed cotton the finishing of operation of pinching, improved economic benefit greatly.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the utility model self-propelled cotton topping machine structural representation;
Fig. 2 is the utility model system's perspective view of pinching;
Fig. 3 is the utility model system height automatic lifting closed-loop control system schematic diagram of pinching.
Wherein, Reference numeral
1 implement porter
11 vehicle frames
12 power and hydraulic system
13 front-wheels
14 trailing wheels
15 control rooms
16 mechanical electronic hydraulic control systems
161 signal condition modules
162 proportional amplifiers
163 electro-hydraulic proportional valves
2 systems of pinching
21 copying systems
211 individual profiling parts
2111 cutter cranes
2112 cutter crane guide rails
2113 distance measuring sensors
2114 displacement transducers
2115 knife rest hoist cylinders
2116 sensor stands
212 whole profiling parts
2121 profiling land wheels
2122 quadric chains
2123 land wheel hoist cylinders
2124 profiling ground wheeling racks
22 executive systems of pinching
220 cutting tool assemblies of pinching
221 cutter shaft assemblies
222 drum-type cutters
23 nearside dividers
24 unsteady frames
25 hanger brackets
26 unsteady oil cylinders
3 spraying systems
31 spray booms
32 medicine-chests
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
Referring to Fig. 1, Fig. 1 is the utility model self-propelled cotton topping machine structural representation.Self-propelled cotton topping machine of the present utility model, comprise the high-clearance self-propelled chassis 1 and the system 2 of pinching, the kind of drive that high-clearance self-propelled chassis 1 adopts hydraulic pressure to combine with machinery, trailing wheel 14 Mechanical Driven, front-wheel 13 fluid-link steerings, the described system 2 of pinching is connected the front end of described implement porter 1 by a hanger bracket 25, the system of pinching 2 comprises floats frame 24 and is installed in the copying system 21 on the described unsteady frame 24 and the executive system 22 of pinching, described copying system 21 comprises whole profiling parts 212 and individual profiling parts 211, described whole profiling parts 212 are connected with described unsteady frame 24, and described individual profiling parts 211 are connected with the described executive system 22 of pinching.
Referring to Fig. 2, Fig. 2 is the utility model system's perspective view of pinching.The described executive system 22 of pinching comprises at least one group of cutting tool assembly 220 of pinching, the described cutting part of pinching comprises cutter shaft assembly 221 and the drum-type cutter 222 that is installed on the described cutter shaft assembly 221, described cutter shaft assembly 221 is connected with the gear motor of described implement porter 1, and described cutter shaft assembly 221 is installed on the described unsteady frame 24.Adjacent described cutting tool assembly 220 front and back of pinching are staggeredly arranged.
Described individual profiling parts 211 comprise cutter crane 2111, distance measuring sensor 2113, displacement transducer 2114 and knife rest hoist cylinder 2115, described cutter crane 2111 is installed on the described unsteady frame 24, described knife rest hoist cylinder 2115 is installed on the described cutter crane 2111, described distance measuring sensor 2113 is connected with described cutter crane 2111, and described displacement transducer 2114 and described unsteady frame 24 are hinged.Distance measuring sensor 2113 is installed in an end of sensor stand 2116, and sensor stand 2116 other ends are connected with cutter crane 2111.One end of knife rest hoist cylinder 2115, displacement transducer 2114 and 2,112 three parts of cutter crane guide rail is all hinged with unsteady frame 24, and the entablature of the other end and cutter crane 2111 is hinged.
Hanger bracket 25 is connected with high-clearance self-propelled chassis 1, floating shelf is connected with hanger bracket 25 by parallel four-bar linkage 2122, cutter shaft assembly 221 is fixed on the frame 24 of floating, the copying system of pinching 21 comprises the oil cylinder 26 that floats, land wheel hoist cylinder 2123, distance measuring sensor 2113, knife rest hoist cylinder 2115, displacement transducer 2114, profiling land wheel 2121, cutter crane 2111 and unsteady frame 24 etc., the monomer growth rate of cotton plant state difference and the face of land uneven can influence the pinch uniformity of height of cotton, by being installed in the float injustice on the profiling land wheel 2121 adaptation faces of land on the frame 24 of topping machine truss-like.On profiling ground wheeling rack 2124, connect land wheel hoist cylinder 2123, land wheel hoist cylinder 2123 is installed in the parallel surface of profiling ground wheeling rack 2124, by adjusting profiling ground wheeling rack 2124 and ground level, realize the adjusting of unsteady frame 24 terrain clearances, the lifting of cutter crane 2111.The frame of floating 24 is connected with hanger bracket 25 by parallel four-bar linkage 2122, guarantees that the cutter Plane of rotation of drum-type cutter 222 is parallel to the ground, realizes whole profiling.Utilize laser technology to measure cutter and the top distance of cotton pearl, the flow by the resize ratio valve is with the stretching speed of control hydraulic cylinder, solution hysteresis problem; Reach in good time, accurately pinch, realize individual profiling.
Described whole profiling parts 212 comprise profiling land wheel 2121, quadric chain 2122, land wheel hoist cylinder 2123 and profiling ground wheeling rack 2124, described profiling ground wheeling rack 2,124 one ends are connected with described unsteady frame 24, described profiling land wheel 2121 is connected with the other end of described profiling ground wheeling rack 2124, described land wheel hoist cylinder 2123 is arranged on the described profiling ground wheeling rack 2124, and described quadric chain 2122 is connected with described unsteady frame 24 and described hanger bracket 25 respectively.
Described profiling ground wheeling rack 2124 is the rectangle rhs-structure, and described land wheel hoist cylinder 2123 is installed in the described profiling ground wheeling rack 2124.One end hanger of land wheel hoist cylinder 2123 is connected with unsteady frame 24 by bearing pin, the lower end is connected with profiling ground wheeling rack 2124, profiling ground wheeling rack 2124 is a square tube, land wheel hoist cylinder 2123 is placed in the profiling ground wheeling rack 2124, land wheel hoist cylinder 2,123 one ends are installed on the frame 24 of floating, and the other end and profiling ground wheeling rack 2124 are hinged.
The self-propelled cotton topping machine that the utility model provides has been realized the individual profiling that cotton is pinched.The monomer growth rate of cotton plant state difference and the face of land uneven can influence the pinch uniformity of height of cotton, by being installed in the float injustice on the profiling land wheel 2121 adaptation faces of land on the frame 24 of topping machine truss-like.On profiling land wheel 2121 supports, connect the land wheel hydraulic jack, land wheel hoist cylinder 2,123 one ends connect profiling ground wheeling rack 2,124 one ends, the other end connects profiling ground wheeling rack 2124 other ends, by adjusting profiling ground wheeling rack 2124 and ground level (adjustment of oil cylinder length has realized profiling ground wheeling rack 2124 terrain clearances), realize the float adjusting of frame 24 terrain clearances and the lifting of cutter crane 2111.The frame of floating 24 is connected with hanger bracket 25 by parallel four-bar linkage 2122, and is parallel to the ground by the self structure assurance cutter Plane of rotation of parallel four-bar linkage 2122, realizes whole profiling, the adjustment of promptly whole frame terrain clearance.Utilize laser technology to measure cutter and the top distance of cotton pearl, the flow by the resize ratio valve is with the stretching speed of control hydraulic cylinder, solution hysteresis problem; Reach in good time, accurately pinch, realize individual profiling (single file the pinch adjustment and the control of height by the cotton plant height that every capable laser sensor is measured, are adjusted the pinch height of cutter of every row in real time, realize individual profiling).
The described system 2 of pinching also comprises the oil cylinder 26 that floats, described unsteady oil cylinder 26 is installed on the described hanger bracket, 26 of the oil cylinders that float are used for transportation, during work, are in quick condition, the cutting tool assembly 220 of pinching of cotton top-cutting machine is staggered front to back layout, this layout has realized that integral layout is compact, the adjacent two capable action of pinching, each line sensor independent measurement cotton plant height of not influencing, realize the single file profiling, saved the space.
Described high-clearance self-propelled chassis 1 comprises vehicle frame 11 and is installed in control room 15, front-wheel 13, trailing wheel 14 and power and hydraulic system 12 on the described vehicle frame 11 that described front-wheel 13 and described trailing wheel 14 are connected with described power and hydraulic system 12 respectively.Structural parameters such as ground crack, wheelspan adapt to the cotton cotton middle and later periods extermination of disease and insect pest job requirements of pinching, and adopt machine driving, and hub reduction increases the technology of turning round, and have solved to impact greatly, and the problem of galloping makes overall structure more reasonable, has improved driveability.This machine travel speed is totally 6 retainings, and I:3.04 kilometer/hour, II:5.16 kilometer/hour, III:9.09 kilometer/hour, IV:14.49 kilometer/hour, V:22.24 kilometer/hour, R:2.9 kilometer/hour.The general II-IV retaining that uses during operation.Designed the back axle spring shock absorption, the propons spring adds the hydraulic pressure cushion technique, complete machine is more stable.Adopt advanced hydraulic braking technology, improved the security performance of complete machine.Increase propons fluid power supporting construction, improved reliability.Adopt the fluid-link steering technology, make control easily easy.This chassis uses narrow tire to add nearside divider 23, and wheelspan adopts mechanical adjustment mode, and crack, ground height is 1300 millimeters, has improved the field through performance of this machine, significantly reduces the injury to crop, is more suitable for farm work.
Described power and hydraulic system 12 adopt duplex gear pump, a pump of described duplex gear pump is connected with described knife rest hoist cylinder 2115, and another pump of described duplex gear pump is connected with described unsteady oil cylinder 26, described land wheel hoist cylinder 2123 and described gear motor.During the topping machine operation, the gear motor running, the oil cylinder 26 that floats floats, and land wheel hoist cylinder 2123 is failure to actuate, and in the topping machine transportation, the oil cylinder 26 that floats is raised to the certain position locking.
The utility model also can comprise spraying system 3 or broadcast application mechanism, and described spraying system 3 is arranged on the rear portion of described implement porter 1, or described broadcast application mechanism is arranged on the front portion of described implement porter 1.Except guaranteeing job requirements that cotton pinches, can also satisfy the supporting requirement of workpieces such as extermination of disease and insect pest dispenser, particle fertilizer distributor, realize a tractor serves several purposes.With the supporting dispenser equipment of high-clearance self-propelled chassis 1 by spray boom 31, medicine-chest 32, cleaning case, liquid pump and atomizer passgae system, autobalance, the folding elevating mechanism of spray boom, precisely dispenser control system etc. is formed.Wherein liquid pump, medicine-chest 32 are fixed on the vehicle frame 11 of implement porter 1, gearbox power is defeated by transfer case through power take-off, a part of power of transfer case is exported to liquid pump then, and spray boom 31 and autobalance, the folding elevating mechanism of spray boom are installed on the four connecting rod hanger brackets of vehicle frame 11 back.Precisely the dispenser control system is by the real-time detection and the feedback of operating speed, atomisation pressure, spray amount, the accurately action of control variables dispenser executing agency, spray amount is adjusted automatically according to the variation of operating speed, thereby make the actual formulation rate of sprayer consistent, realize smart amount sprinkling with setting value.
Referring to Fig. 3, Fig. 3 is the utility model system height automatic lifting closed-loop control system schematic diagram of pinching.The self-propelled cotton topping machine that the utility model provides, also comprise the pinch mechanical electronic hydraulic control system 16 of the highly automated lifting closed loop of device of cotton, described mechanical electronic hydraulic control system 16 is arranged in the described control room 15, be used to control cotton top-cutting machine and realize individual profiling and whole profiling, realize the highly automated lifting closed-loop control of pinching of cotton monomer.Mechanical electronic hydraulic control system 16 is made up of topping machine lifting hydraulic control, the highly automated control of pinching, height real-time feedback system etc., using PLC, hoist cylinder, displacement transducer 2114 are realized the adjusting of closed-loop adjustment height, coordination, cut quality control that PLC control realization single file knife rest position is independently controlled, each row is pinched device, automated closed-loop is regulated control principle as shown in Figure 3.Described distance measuring sensor 2113 is connected with described mechanical electronic hydraulic control system 16 by a signal condition module 161, and described knife rest hoist cylinder 2115 is connected also be linked in sequence between described knife rest hoist cylinder 2115 and the described mechanical electronic hydraulic control system 16 electro-hydraulic proportional valve 163 and proportional amplifier 162 respectively with described displacement transducer 2114 with described mechanical electronic hydraulic control system 16.Utilize distance measuring sensor 2113 to measure cutter and the top distance of cotton pearl, altitude signal is transferred to mechanical electronic hydraulic control system 16 through signal condition module 161, mechanical electronic hydraulic control system 16 provides carries out signal passing ratio amplifier 162, pass through to adjust the stretching speed of the flow of electro-hydraulic proportional valve 163 again with control knife rest hoist cylinder 2115, problem lags behind settling time, knife rest hoist cylinder 2115 stretches and makes the cutter height satisfy the requirement for height of pinching to specified altitude assignment, the cutter height feeds back to mechanical electronic hydraulic control system 16 by displacement transducer 2114 simultaneously, realizes in good time, accurately pinching of closed-loop control.Wherein, distance according to operating speed, measuring transducer and cutter level, calculate the time that cutter moves to measuring transducer, calculate in conjunction with the top distance of the cutter of measuring and cotton plant and the altimeter of pinching and to adjust cutter height required time, thereby calculate the stretching speed of the hydraulic cylinder of adjusting the cutter height, determine the flow of hydraulic jack, draw the flow that electro-hydraulic proportional valve 163 needs adjustment.Wherein hysteresis problem refers to the cutter of the pinching position of pinching and lags behind the measuring position of measuring transducer, and when making that by adjusting the cutter rising or falling speed facility move to distance measuring sensor measurement data position, the cutter Height Adjustment of pinching is to the height requirement of pinching.
Operation principle of the present utility model is as follows:
The power output of implement porter drives the gear pump of the machinery of pinching, drive hydraulic motor, the drive cutter high speed rotating of pinching, simultaneously grain lifter is gathered master, the side shoot of cotton plant and is held up to blade rotation cut coverage, cut master, the side shoot top of cotton plant by the blade of high speed rotating, decontrol gradually after cutting the top.Realization holds up standing grain-gather-Qie top-slowly-releasing to work continuously.Reach the agronomic technique requirement that cotton is pinched.
The operating feature of pinching according to cotton machinery and the resemblance at cotton plant top according to the laser sensor identification signal, have been researched and developed the cotton highly automated lifting closed-loop control system of device of pinching.Control system is made up of topping machine lifting hydraulic control, the highly automated control of pinching, height real-time feedback system etc., using PLC, hoist cylinder, rod-pulling type displacement transducer 2114 are realized the adjusting of closed-loop adjustment height, coordination, cut quality control that PLC control realization single file knife rest position is independently controlled, each row is pinched device.
By being installed in the injustice on the profiling land wheel 2121 adaptation faces of land on the unsteady frame 24 of topping machine truss-like, on profiling ground wheeling rack 2124, connect land wheel hoist cylinder 2123, by adjusting profiling ground wheeling rack 2124 and ground level, realize the adjusting of unsteady frame 24 terrain clearances, realize the lifting of cutter crane 2111, the frame of floating 24 adopts parallel four-bar linkage 2122, guarantees that the cutter Plane of rotation is parallel to the ground, realizes whole profiling.Utilize distance measuring sensor 2113 to measure cutter and the top distances of cotton pearl, the flow by adjusting electro-hydraulic proportional valve 163 is with the stretching speed of control knife rest hoist cylinder 2115, solution hysteresis problem; Reach in good time, accurately pinch, realize individual profiling.26 of the oil cylinders that float are installed on the hanger bracket 25 are used for transportation.During work, the oil cylinder 26 that floats is in quick condition.
The utility model can guarantee the trafficability characteristic of topping machine in the cotton field, can guarantee that again the cotton individual profiling accurately pinches.Implement porter has designed the back axle spring shock absorption, the propons spring adds the hydraulic pressure cushion technique, and complete machine is more stable, adopts advanced hydraulic braking technology, has improved the security performance and the reliability of complete machine.Realized that the mechanization cotton pinches, alleviated cotton grower's labour intensity, guaranteed cotton the finishing of operation of pinching, improved economic benefit greatly.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (11)
1. self-propelled cotton topping machine, it is characterized in that, comprise implement porter and the system of pinching, the described system of pinching is connected described implement porter front end by a hanger bracket, the system of pinching comprises floats frame and is installed in the copying system on the described unsteady frame and the executive system of pinching, described copying system comprises whole profiling parts and individual profiling parts, described whole profiling parts are connected with described unsteady frame, and described individual profiling parts are connected with described executive system and the described unsteady frame of pinching.
2. self-propelled cotton topping machine as claimed in claim 1, it is characterized in that, the described executive system of pinching comprises at least one group of cutting tool assembly of pinching, the described cutting part of pinching comprises cutter shaft assembly and the drum-type cutter that is installed on the described cutter shaft assembly, described cutter shaft assembly is connected with the power of described implement porter and the gear motor of hydraulic system, and described cutter shaft assembly is installed on the described unsteady frame.
3. self-propelled cotton topping machine as claimed in claim 2 is characterized in that, is staggeredly arranged before and after the adjacent described cutting tool assembly of pinching.
4. as claim 2 or 3 described self-propelled cotton topping machines, it is characterized in that, described individual profiling parts comprise cutter crane, distance measuring sensor, displacement transducer and knife rest hoist cylinder, described cutter crane is installed on the described unsteady frame, described knife rest hoist cylinder is installed on the described cutter crane, described distance measuring sensor is connected with described cutter crane, and described displacement transducer and described unsteady frame are hinged.
5. self-propelled cotton topping machine as claimed in claim 4, it is characterized in that, described implement porter comprises vehicle frame and is installed in control room, front-wheel, trailing wheel and power and hydraulic system on the described vehicle frame that described front-wheel and described trailing wheel are connected with described power and hydraulic system respectively.
6. self-propelled cotton topping machine as claimed in claim 5, it is characterized in that, described implement porter also comprises the mechanical electronic hydraulic control system that is used to control described self-propelled cotton topping machine realization individual profiling and the closed-loop control of whole profiling automatic lifting, described mechanical electronic hydraulic control system is arranged in the described control room, described distance measuring sensor is connected with described mechanical electronic hydraulic control system by a signal condition module, and described knife rest hoist cylinder is connected with described mechanical electronic hydraulic control system respectively with described displacement transducer.
7. self-propelled cotton topping machine as claimed in claim 6 is characterized in that, electro-hydraulic proportional valve and proportional amplifier also have been linked in sequence between described knife rest hoist cylinder and the described mechanical electronic hydraulic control system.
8. as claim 1,2,3,5,6 or 7 described self-propelled cotton topping machines, it is characterized in that, described whole profiling parts comprise profiling land wheel, quadric chain, land wheel hoist cylinder and profiling ground wheeling rack, described profiling ground wheeling rack one end is connected with described unsteady frame, described profiling land wheel is connected with the other end of described profiling ground wheeling rack, described land wheel hoist cylinder is arranged on the described profiling ground wheeling rack, and described quadric chain is connected with described unsteady frame and described hanger bracket respectively.
9. as claim 1,2,3,5,6 or 7 described self-propelled cotton topping machines, it is characterized in that the described system of pinching also comprises unsteady oil cylinder, described unsteady oil cylinder is installed on the described hanger bracket.
10. self-propelled cotton topping machine as claimed in claim 9, it is characterized in that, described power and hydraulic system comprise duplex gear pump, a pump of described duplex gear pump is connected with described knife rest hoist cylinder, and another pump of described duplex gear pump is connected with described unsteady oil cylinder, described land wheel hoist cylinder and described gear motor respectively.
11. as claim 1,2,3,5,6,7 or 10 described self-propelled cotton topping machines, it is characterized in that, also comprise spraying system or broadcast application mechanism, described spray pesticide system is arranged on the rear portion of described implement porter or the front portion that described broadcast application mechanism is arranged on described implement porter.
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| CN 201020631191 CN201986428U (en) | 2010-11-29 | 2010-11-29 | Self-propelled cotton topping device |
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|---|---|---|---|
| CN 201020631191 CN201986428U (en) | 2010-11-29 | 2010-11-29 | Self-propelled cotton topping device |
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