A kind of floating type picking desk
Technical field
The present invention relates to a kind of equipment for plucking crops, especially tobacco leaf.
Background technology
In leaf tobacco production process, can the harvesting of tobacco leaf be basic work, pluck timely and can affect quality of tobacco to a great extent.During tobacco leaf picking, because the maturity of cigarette strain each several part tobacco leaf is different with proterties, and the baking process of each several part tobacco leaf is different, therefore tobacco leaf gather be generally tobacco leaf is divided into inferior leads, middle leaf, upper leaf to carry out branch, timesharing gathers.Inferior leads is ripe at first, inferior leads of therefore first gathering, gather respectively more afterwards middle leaf and upper leaf.Abroad, the seed harvester of existing various semi-mechanization and mechanization comes into operation, and picking efficiency is higher, and can complete harvesting operation in time, but overseas equipment structure is more complicated, manufacturing cost is higher, and the tobacco leaf being difficult to adapt to China's vega is plucked.Domestic also once had some simple tobacco leaf picking machineries, automatically the gathering of tobacco leaf can be realized, collect and fill basket, have that harvest efficiency is high, net harvesting rate high, compared with external type, structure is simple, advantage of lower cost, but its picking methods and function singleness, can not take to different parts tobacco leaf the picking methods that adapts, substantially seldom use at present.Therefore the tobacco leaf picking of China also mainly relies on artificial harvesting, and picking efficiency is low, and tobacco grower's labour intensity is large, and is difficult to ensure the timely harvesting to a large amount of tobacco leaf.
Summary of the invention
Object of the present invention is intended to overcome the deficiencies in the prior art, provides that a kind of structure is simple, manufacturing cost is lower, can pluck, the floating type picking desk that picking efficiency is high, pick up rate is high to the upper leaf of cigarette strain, middle leaf and inferior leads Divisional, timesharing.
Object of the present invention is achieved through the following technical solutions.
A kind of floating type picking desk, comprise and being symmetrical arranged and the contrary left roller conveying apparatus of throughput direction and right roller conveying apparatus, be installed on the left horizontal induction rod fixed by left bolt on front side of left roller conveying apparatus and be installed on right horizontal induction rod fixing by right bolt on front side of right roller conveying apparatus, be positioned at the lifting induction rod be installed on immediately below left horizontal induction rod or right horizontal induction rod on left roller conveying apparatus or right roller conveying apparatus, the gantry-type lifting mechanism that two side girder bottoms are connected with left roller conveying apparatus and right roller conveying apparatus outer end respectively by bolt, one end is by bolt and hoisting mechanism crossbeam translation mechanism connected horizontally, the other end of translation mechanism is arranged on and is positioned in the other frame of hoisting mechanism, left horizontal induction rod, right horizontal induction rod, lifting induction rod, the starting drive of hoisting mechanism, the starting drive of translation mechanism is electrically connected with control cabinet respectively, the picking knife beating leaf is downwards symmetrically installed with at the inside front of left roller conveying apparatus and right roller conveying apparatus.
The outstanding drive link turned under end band before lifting induction rod of the present invention includes and can rotate in mount pad, the rear end of drive link is fixedly connected with the upright T-shaped connecting plate be positioned at above mount pad, in T-shaped connecting plate, the upper and lower symmetry of plate is installed with decline sensor and promotes sensor, decline sensor and lifting sensor are electrically connected with control cabinet, are provided with plate perpendicular contact in T-shaped connecting plate and the uprighting spring that can exert a force downwards in T-shaped connecting plate above plate and between lifting sensor.Described left horizontal induction rod comprise one end to be sleeved in left axle and can along the Left Drive bar of left central axis, the bar of turning left be fixedly connected with the termination point casing of Left Drive bar, be installed on the left sensor of bar outer end of turning left; Described right horizontal induction rod comprise one end to be sleeved in right axle and can along the right drive link of right central axis, the bar of turning right be fixedly connected with the termination point casing of right drive link, be installed on the right sensor of bar outer end of turning right, left sensor and right sensor are electrically connected with control cabinet.Described hoisting mechanism is hydraulic lifting mechanism, and two side girders of hoisting mechanism are symmetrically installed with vertical hydraulic lifting cylinder, and the fluid pressure drive device of hydraulic lifting cylinder is electrically connected with control cabinet.Described translation mechanism is hydraulic gear, and the fluid pressure drive device of hydraulic gear is electrically connected with control cabinet.The blade of described picking knife is the elongated plates body structure of both sides all with cutter tooth that flexible material is manufactured, and the cutter tooth of blade both sides is waveform.
The present invention being installed on the tobacco leaf of advancing plucks on vehicle, tobacco leaf picking drops on left roller conveying apparatus and right roller conveying apparatus by picking knife, and left roller conveying apparatus and right roller conveying apparatus outwards run and also transferred out continuously in time by the tobacco leaf under harvesting.Set left horizontal induction rod and right horizontal induction rod can sense tobacco leaf present position in vega, in time the centering position of the left roller conveying apparatus of adjustment and right roller conveying apparatus and picking knife, make it adopt the strain of cigarette channel aligning cigarette and pluck.Lifting induction rod then can according to the change of the height on vega ground in time by signal transmission to control cabinet to adjust the lifting of hoisting mechanism, drive the lifting of left roller conveying apparatus and right roller conveying apparatus, keep dynamic height in real time in the vertical direction, guarantee the height of gathering plucking tobacco leaf, realize the floating type harvesting of tobacco leaf.
Structure of the present invention is simple, manufacturing cost is lower, and can pluck the upper leaf of cigarette strain, middle leaf and inferior leads Divisional, timesharing, picking efficiency is high, pick up rate is high.
Content of the present invention is set forth further below in conjunction with Figure of description.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B direction view of Fig. 2;
Fig. 4 be lifting induction rod C to mounting structure schematic diagram;
Fig. 5 is the D direction view of Fig. 4;
Fig. 6 is the structural representation of left horizontal induction rod and right horizontal induction rod;
Fig. 7 is the structural representation of picking knife.
Embodiment
As shown in the figure, floating type picking desk comprises and being symmetrical arranged and the contrary left roller conveying apparatus 1 of throughput direction and right roller conveying apparatus 2, be installed on left horizontal induction rod 4 fixing by left bolt 23 on front side of left roller conveying apparatus and be installed on right horizontal induction rod 5 fixing by right bolt 24 on front side of right roller conveying apparatus, be positioned at the lifting induction rod 6 be installed on immediately below left horizontal induction rod or right horizontal induction rod on left roller conveying apparatus or right roller conveying apparatus, the gantry-type lifting mechanism 25 that two side girder bottoms are connected with left roller conveying apparatus and right roller conveying apparatus outer end respectively by bolt, one end is by bolt and hoisting mechanism crossbeam translation mechanism 3 connected horizontally, the other end of translation mechanism 3 is arranged on and is positioned in the other frame 22 of hoisting mechanism, left horizontal induction rod 4, right horizontal induction rod 5, lifting induction rod 6, the starting drive of hoisting mechanism 25, the starting drive of translation mechanism 3 is electrically connected with control cabinet respectively, the picking knife 21 beating leaf is downwards symmetrically installed with at the inside front of left roller conveying apparatus 1 and right roller conveying apparatus 2.The outstanding drive link 7 turning 7a under end band before described lifting induction rod 6 includes and can rotate in mount pad 8, the rear end of drive link is fixedly connected with the upright T-shaped connecting plate 12 be positioned at above mount pad, in T-shaped connecting plate, the upper and lower symmetry of plate is installed with decline sensor 10 and promotes sensor 11, decline sensor 10 and lifting sensor 11 are electrically connected with control cabinet, in T-shaped connecting plate, be provided with the uprighting spring 9 that can exert a force with plate perpendicular contact in T-shaped connecting plate downwards above plate and between lifting sensor.Described left horizontal induction rod 4 comprises one end and to be sleeved in left axle 14 and can along the Left Drive bar 16 of left central axis, the bar 19 of turning left be fixedly connected with the termination point casing of Left Drive bar, the left sensor 18 that is installed on bar outer end of turning left; Described right horizontal induction rod 5 comprises one end and to be sleeved in right axle 17 and can along the right drive link 13 of right central axis, the bar 20 of turning right be fixedly connected with the termination point casing of right drive link, the right sensor 15 that is installed on bar outer end of turning right, and left sensor 18 and right sensor 15 are electrically connected with control cabinet.Described hoisting mechanism 2 adopts hydraulic lifting mechanism, and two side girders of hoisting mechanism are symmetrically installed with vertical hydraulic lifting cylinder, and the fluid pressure drive device of hydraulic lifting cylinder is electrically connected with control cabinet.Translation mechanism 3 is also hydraulic gear, and the fluid pressure drive device of hydraulic gear is electrically connected with control cabinet.The blade of picking knife 21 is the elongated plates body structure of both sides all with cutter tooth that flexible material is manufactured, and the cutter tooth 21a of blade both sides is waveform.Rotated by the blade of motor driving picking knife, the tobacco leaf of same area in every cigarette strain is laid by order from the top down, falls on left roller conveying apparatus 1 and right roller conveying apparatus 2 and is sent.Because blade is that flexible material is manufactured and the cutter tooth of blade both sides is waveform, when leaf is beaten in blade rotation, cutter tooth top can be controlled and just in time beat joint portion at tobacco leaf and tobacco rod, continuously and successfully tobacco leaf is laid and gather, also can not injure tobacco rod, be beneficial to other positions of cigarette strain and not gather the continued growth of tobacco leaf.
According to characteristic and the agriculture requirement of tobacco leaf picking, when plucking middle leaf, the cigarette channel of adopting be in by this floating type picking desk between left roller conveying apparatus 1 and right roller conveying apparatus 2 aims at cigarette strain, after cigarette strain enters and adopts cigarette channel, if adopt cigarette channel can not aim at cigarette strain very accurately, when cigarette strain touches left horizontal induction rod 4, the stressed drive of its Left Drive bar 16 bar 19 of turning left rotates, thus trigger left sensor 18, left sensor sends the signal of telecommunication and drives translation mechanism 3 to be moved to the left by control cabinet, drives whole picking desk to be moved to the left.In like manner, when right horizontal induction rod 5 is stressed, the stressed drive of its right drive link 13 bar 20 of turning right rotates, thus triggers right sensor 15, and right sensor sends the signal of telecommunication and drives translation mechanism 3 to move right by control cabinet, drives whole picking desk to move right.When left horizontal induction rod and right horizontal induction rod all do not stress, illustrate that picking desk has made to adopt cigarette channel and aimed at cigarette strain, namely can start to pluck tobacco leaf.Can remain that picking desk does not collide tobacco rod and ensures that tobacco leaf plucks position by left horizontal induction rod and right horizontal induction rod, guarantee the quality of adopting cigarette.Left sensor and right sensor will be subject to the extruding of certain strength because of it and will have certain stroke variable so select metal spacing switch, can commercially buy.
When plucking inferior leads, the decline sensor 10 be positioned at below T-shaped connecting plate 12 keeps exporting the signal of telecommunication makes control cabinet drive hoisting mechanism 25, picking desk is made to keep moving vertically downward, when drive link 7 lower outstanding being elevated induction rod 6 turn 7a touch ground time, owing to being subject to External Force Acting, drive link 7 rotates, make the thrust be subject to bottom T-shaped connecting plate 12 upwards, when the thrust suffered by T-shaped connecting plate 12 is greater than the downward elastic force of spring 9, T-shaped connecting plate moves up, make decline sensor 10 stop exporting the signal of telecommunication, hoisting mechanism 25 stops moving down.If surface relief causes lifting induction rod 6 to continue stressed in picking process, T-shaped connecting plate 12 continues to move up and triggers the lifting sensor 11 of top, promote sensor 11 to send the signal of telecommunication and drive hoisting mechanism 25 to move up by control cabinet until when power suffered by T-shaped connecting plate equals the power that spring 9 applies, hoisting mechanism stops action.Realize with this dynamic height keeping picking desk in the vertical direction in real time, guarantee to pluck gathering highly and guaranteeing equipment security of operation of cigarette strain.