The content of the invention
The technical problem to be solved in the present invention is to provide a kind of fertilizer application amount control device of small, the convenient regulation of frictional resistance.
Fertilizer application amount control device of the present invention, including gear housing, the first bracing wire, the second bracing wire and fixed support, the toothAn axle is rotatably mounted with wheel housing, gear and joystick, the opposite sides of the gear are fixed with the axleThe first rack and the second rack are engaged with respectively, and first rack and the second rack are slidably mounted in gear housing, instituteState and first baffle and second baffle are fixed with fixed support, first bracing wire includes the first core and is sleeved on First LineFirst Line set outside core, the first core and First Line set relative can slide, and second bracing wire includes the second core and suitThe second line set outside the second core, the second core and the second line set relative can be slided, and one end of the First Line set is fixedIn gear housing, the other end of First Line set is fixed in bracing wire fixed seat through first baffle, and the first core is located at toothWheel shell one end is fixed on the first rack, and the other end of the first core is fixed on second baffle through bracing wire fixed seat, instituteThe one end for stating the second line set is fixed in gear housing, and the other end of the second line set is fixed on first baffle, the second coreIt is fixed on positioned at gear housing one end on the second rack, the other end of the second core is fixed on bracing wire fixed seat through first baffleOn.
Fertilizer application amount control device of the present invention, wherein the mode that the gear housing is rotatably mounted axle is：Gear housingThe axle is rotatably mounted by bearing.
Fertilizer application amount control device of the present invention, wherein the gear housing is provided with a limiting through hole, the limiting through hole edgeThe rotation direction arrangement of joystick, the limiting through hole is interior to be provided with a Limit screw, and the Limit screw passes through stop nutIt is fixed in limiting through hole, can be in contact in joystick rotation process with Limit screw.
Fertilizer application amount control device of the present invention, wherein the gear housing is square, the gear is located among gear housingPosition, first and second rack are respectively provided at the upper and lower sides of gear, and first and second rack be arranged in parallel.
Fertilizer application amount control device of the present invention, wherein the mode that first and second rack is slidably mounted in gear housing is：The upper and lower positioned at gear of gear housing is respectively equipped with upper hopper chute and gliding groove, and first and second rack is located at upper gliding groove respectivelyIt is interior and can be along slide.
Fertilizer application amount control device difference from prior art of the present invention is that the present invention drives by rotating joystickMoving gear rotates, because first and second rack is engaged on the opposite sides of gear, therefore in pinion rotation, first and second rackGlide direction is opposite.In use, gear housing and fixed support are all fixed on fertilizer applicator, when the first rack tenses the first coreWhen (now the second rack unclamp the second core), relative first core of First Line set slides, i.e. First Line set promotes bracing wire to fixSeat moves from first baffle to second baffle；When the second rack tenses the second core, (now the first rack unclamps First LineCore), the second core covers with respect to the second line to be slided, i.e. the second core drives bracing wire fixed seat to be moved from second baffle to first baffleIt is dynamic, and bracing wire fixed seat is fixedly connected with discharge flapper square steel, so by rotating joystick bracing wire fixed seat can be made to existBeing moved back and forth between first and second baffle plate, the discharge flapper square steel being fixedly connected with bracing wire fixed seat can also move back and forth,So that feed opening can be closed or opened to the discharge flapper being located on discharge flapper square steel, the regulation of dose is realized.ThusIt can be seen that whole fertilizer application amount control device frictional resistance is small, easy to adjust.
Gear housing in the present invention is provided with a limiting through hole, and Limit screw is fixed on limiting through hole by stop nutOn, position of the Limit screw in limiting through hole can be adjusted after unclamping stop nut, when Limit screw reaches the position neededWhen, then screw stop nut.Position of the Limit screw in limiting through hole is adjusted according to the requirement of actual dose, passed throughThe openings of sizes of feed opening can be adjusted by rotating joystick, when joystick is turned at Limit screw and is contacted therewithWhen, joystick can not be further continued for rotating, and now the size of feed opening is also at stationary state.Therefore, in fertilising processIn, Limit screw can prevent joystick itself from rotating and changing the size of feed opening, cause dose to change.
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 3, and with reference to shown in Fig. 1,2, fertilizer application amount control device of the present invention include gear housing 1, the first bracing wire2nd, the second bracing wire 3 and fixed support 4.An axle 16 is rotatably mounted with the gear housing 1, is fixed with the axle 16Gear 5 and joystick 6, the opposite sides of the gear 5 are engaged with the first rack 7 and the second rack 8 respectively.In this embodiment partyIn formula, first and second rack 7,8 is respectively provided at the upper and lower sides of gear 5, and first and second rack 7,8 be arranged in parallel, first and second rack 7,8 arrange in the horizontal direction.The gear housing 1 is square, and the gear 5 is located at the centre position of gear housing 1.
The rack 8 of first rack 7 and second is slidably mounted in gear housing 1, fixed on the fixed support 4 to setThere are first baffle 9 and second baffle 10, first and second baffle plate 9,10 parallel arrangement.First bracing wire 2 and the second bracing wire 3 are existingTechnology, its concrete structure are as follows：First bracing wire 2 includes the first core 201 and the First Line set being sleeved on outside the first core 201202, the first core 201 and First Line set 202 relative can slide；Second bracing wire 3 includes the second core 301 and is sleeved on secondThe second line set 302 outside core 301, the second core 301 and the second line set 302 relative can slide.
One end of the First Line set 202 is fixed in gear housing 1, and the other end of First Line set 202 passes through first gearPlate 9 is fixed in bracing wire fixed seat 11, and the first core 201 is fixed on the first rack 7 positioned at the one end of gear housing 1, and firstThe other end of core 201 is fixed on second baffle 10 through bracing wire fixed seat 11.One end of the second line set 302 is fixed onIn gear housing 1, the other end of the second line set 302 is fixed on first baffle 9, and the second core 301 is located at gear housing 1 oneEnd is fixed on the second rack 8, and the other end of the second core 301 is fixed in bracing wire fixed seat 11 through first baffle 9.FirstCore 201 is fixed on second baffle 10 by adjusting nut 15, and the second core 301 is fixed on bracing wire also by adjusting nut 15In fixed seat 11.
Fertilizer application amount control device of the present invention, wherein the mode that the gear housing 1 is rotatably mounted axle 16 is：Gear hubBody 1 is rotatably mounted the axle 16 by bearing.
The rotation amplitude of joystick 6 directly determines the openings of sizes of fertilizer applicator feed opening, so in order to control feed openingOpenings of sizes, a limiting through hole 12, rotation direction of the limiting through hole 12 along joystick 6 are provided with gear housing 1Arrangement, in this embodiment, the limiting through hole 12 is shaped as strip, its be arranged on the top of the first rack 7 andIt is parallel with the first rack 7.A Limit screw 13 is provided with limiting through hole 12, the Limit screw 13 is fixed by stop nut 14In limiting through hole 12, it can be in contact in the rotation process of joystick 6 with Limit screw 13.As shown in figure 3, work as joystick6 along shown by arrow direction turn at Limit screw 13 when, Limit screw 13 prevents joystick 6 from being rotated further, and then canThe openings of sizes of feed opening is fixed.In actual agricultural production, before fertilising, determined really by rotating joystick 6Fix the openings of sizes of material mouth, after the openings of sizes of feed opening is set, then by Limit screw 13 be moved at joystick 6 withIt is in contact, and then tightens stop nut 14, so as to which the position of Limit screw 13 be fixed up.
The mode that first and second rack 7,8 is slidably mounted in gear housing 1 is：Gear housing 1 is located at the upper of gear 5Upper hopper chute and gliding groove are respectively arranged below with, first and second rack 7,8 is interior positioned at upper gliding groove respectively and can be along slide.
The operation principle of the present invention is as follows：
The present invention is rotated by rotating joystick 6 come drive gear 5, because first and second rack 7,8 is engaged on gear 5Opposite sides up and down, therefore when gear 5 rotates, the glide direction of first and second rack 7,8 is opposite.As shown in figure 1, when controlHandle 6 processed along shown by arrow direction rotate when, the first rack 7 slides from left to right, and at the same time, the second rack 8 is from dextradLeft slip；Conversely, when joystick 6 rotates along shown by arrow opposite direction, the first rack 7 slides from right to left, now, secondRack 8 slides from left to right.In use, gear housing 1 and fixed support 4 are all fixed in fertilizer applicator (not shown), when(now the second rack 8 slides and unclamps second from right to left when first rack 7 slides and tenses the first core 201 from left to rightCore 301), 202 relative first core 201 of First Line set slides, i.e., First Line set 202 promotes bracing wire fixed seat 11 from first gearPlate 9 moves to second baffle 10；When the second rack 8 slide from left to right and (now the first rack 7 when tensing the second core 301Slide from right to left and unclamp the first core 201), 301 relative second line set 302 of the second core slides, i.e. the band of the second core 301Dynamic bracing wire fixed seat 11 moves from second baffle 10 to first baffle 9, and bracing wire fixed seat 11 and discharge flapper square steel are (in figure notShow) it is fixedly connected, so by rotating joystick 6 bracing wire fixed seat 11 can be made to make between first and second baffle plate 9,10Move back and forth, the discharge flapper square steel being fixedly connected with bracing wire fixed seat 11 can also move back and forth, so that being located at blankingFeed opening can be closed or opened to discharge flapper on baffle plate square steel, realize the regulation of dose.As can be seen here, whole doseControl device frictional resistance is small, easy to adjust.
In order to further control the dose of fertilizer applicator, the gear housing 1 in the present invention is provided with a limiting through hole 12, limitPosition screw rod 13 is fixed in limiting through hole 12 by stop nut 14, and can adjust Limit screw 13 after release stop nut 14 existsPosition in limiting through hole 12, when Limit screw 13 reaches the position needed, then screw stop nut 14.According to realityPosition of the requirement adjustment Limit screw 13 of dose in limiting through hole 12, blanking can be adjusted by rotating joystick 6Mouthful openings of sizes, when at joystick 6 turns to Limit screw 13 and when contacting therewith, joystick 6 can not be followed byContinuous to rotate, now the size of feed opening is also at stationary state.Therefore, during fertilising, Limit screw 13 can preventJoystick 6 itself rotates and changes the size of feed opening, causes dose to change.
Frictional resistance of the present invention is small, easy to operate, can be convenient and practical with quick locking using chute-type limit method.In the threading mode of bracing wire fixed seat 11, original both sides threading is adjusted to while threading, i.e., original first and second bracing wire 2,3Threaded respectively from the both sides of bracing wire fixed seat 11, that is, first and second bracing wire 2,3 is worn at two baffle plates respectivelyLine；Now only need and threaded first and second bracing wire 2,3 from the side of bracing wire fixed seat 11, that is, the in the present inventionFirst, two bracing wires 2,3 are all threaded at first baffle 9.It can so make mechanism more compact, avoid bracing wire bending, operation is moreIt is laborsaving.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present inventionEnclose and be defined, on the premise of design spirit of the present invention is not departed from, technical side of the those of ordinary skill in the art to the present inventionThe various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.