Machine for cutting shrub stubble
The utility model relates to a kind of machine of shrub stubble flattening, especially is used as power with four-wheel tractor and can carries out the stump machine of shape cutting shrub automatically to ground.
Shrub is the drought resisting seeds that afforestation area is big, distributed areas are wide, especially caragana microphylla, red building seeds, it not only can windproofing fixed sand, and belongs to the high-quality feed of rich in proteins, its growth rhythm is that every interval must carry out once cutting off from root in 5~7 years is stump, otherwise can nature withered.At present results caragana microphylla and the most frequently used method of red building are that artificial the use sticked up a head felling stump, artificial tongs stump and with backpack brush saw stump, these stump mode production efficiencys of gathering are extremely low, and hand labor intensity is big, the cost height of gathering.Therefore, the stump of shrub, especially caragana microphylla, red building is gathered becomes the outstanding problem that the western arid area of China turns to the economic benefit urgent need to solve by ecological benefits.
For improving stump efficient, the utility model provides a kind of results shrub, the especially caragana microphylla of four-wheel tractor front side, stump machine of red building seeds of being installed in.When operating personnel handle the tractor that flat stubble machine has been installed shrub are carried out the stump operation, its cutting copying system can cutting blade be cut according to the height on the ground root to shrub automatically, and pallet apparatus can make cutting blade keep certain height apart from ground.The round cutter sheet of the multiple tooth shape that studs with carbide alloy of high speed rotating, when on the soil of sandstone soil, cutting shrub, it is less to wear and tear, the arrangement axis of cutting blade and the angle of tractor longitudinal axis, can make the material that is cut along the ceding of Taiwan guard shield that is parallel to the arrangement axis of cutting blade, fitly slide to tractor one side automatically.
The technical scheme that its technical problem that solves the utility model adopts is: with bolt gantry support is fixed on the tractor frame, the bearing of both direction in length and breadth on the ceding of Taiwan support, be embedded in the guide-track groove on the door bracket, when the hoist cylinder that connects between gantry support and the ceding of Taiwan support is worked, ceding of Taiwan support is moved up and down in the guide-track groove of gantry support.Ceding of Taiwan bracket bottom is held level with both hands on the last plane of plate, and the gear-box of one group of fixed cutting blade is installed, and connects by universal drive shaft cover connecting pin with universal axle sleeve between each adjacent teeth roller box.On the output shaft of gear-box vertical direction, the cutting blade that studs with carbide alloy is installed, cutting blade plane and horizontal plane have an inclination angle.Hold level with both hands in ceding of Taiwan bracket bottom on the lower plane of plate, pallet is installed, pallet wraps up the major part of cutting blade wherein.During ceding of Taiwan work, under the effect of balance sysmte, pallet is attached on the ground all the time, and cutting blade also has a bit of distance apart from ground, does not contact with ground.The gear-box that links together has only a power input shaft, on this axle, pulley concial disk is installed, and is connected with transition pulley concial disk on being fixed on ceding of Taiwan support by V belt.What support transition V belt wheel shaft is a splined shaft, and this splined shaft is connected by the spline output shaft of gimbal coupling with power input transfer gear box.The spline output shaft of transfer gear box is vertical with power input shaft to be provided with.Pulley concial disk on the transfer gear box power input shaft is connected with pulley concial disk on the tractor diesel engine flying wheel by V belt again.Form by a pair of bevel gear, jaw clutch and gear shaft in the transfer gear box, stir the jaw clutch driving lever, bevel gear is separated and combination.On the jaw clutch driving lever, connecting reset extension spring and clutch cable, the other end of clutch cable is fixed on the control stick, and control stick and control stick holder are hinged, and the control stick holder is fixed on a side of operating seat.
Connect the hoist cylinder on gantry support and the ceding of Taiwan support, is connected with the pressure distributor of tractor, stretching out and returning of it finished by the pressure distributor joystick of pulling tractor.The gantry support top is installed with the balancing pole support, with the balance lever pin balancing pole is fixed in the above.One end of balancing pole is equipped with balancing weight, and the other end is connecting chain sling, and the other end of chain sling is connected on the gravity balance point of movable stand.All parts installed on the ceding of Taiwan frame and the deadweight of balancing weight and balancing pole are fulcrum with the balancing pole bearing pin, form imitative type system, contact the variation that rises and falls with ground with pallet, imitative type system carries out the height lifting with ground automatically and changes, because of holding tray surface is a horizontal plane, pallet contacts with ground all the time.Because of holding tray surface is a horizontal plane, between holding tray surface and the cutting blade plane except that certain inclination angle is arranged, cutter tooth also has a segment distance with holding tray surface, and the cutter tooth of cutting blade is not contacted with ground at work, thereby has reduced the working resistance and the wearing and tearing of blade.The cutting blade of installing on adjacent two output shaft of gear-box, high infraversion malposition folds setting, when adjacent two cutting blades are rotated, does not promptly interfere, and during the cutting shrub, can not produce the cutting blind area again.For eliminating foozle and the alignment error between the gearbox, make the power smooth transfer, connect with the axle sleeve universal joint between the gearbox.
The beneficial effects of the utility model are, during the work of this machine, because the weight of balancing pole and balancing weight is slightly less than the weight of all fixing in ceding of Taiwan parts, pallet can keep in touch with ground all the time, thereby realize that the ceding of Taiwan carries out the automatic profiling cutting to ground.The gear-box of installing on the ceding of Taiwan support is wrapped in the ceding of Taiwan guard shield, and with gear-box connecting axle line parallel.The longitudinal axis of this axis and tractor has a discharge angle, and the material that cuts down is moved ahead with tractor, can fitly slide to tractor one side along ceding of Taiwan guard shield plane.There is a top rake on several circular shear blade and ground that stud with carbide bit, and this angle can make the root stubble of cutting blade behind the cutting shrub keep otch smooth, and the hair stubble is few, does not have the burnt phenomenon of sticking with paste.The high infraversion malposition of cutting blade is arranged, and in fixing swath, can not form the cutting blind area.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a forward structure schematic diagram of the present utility model.
Fig. 2 is that the top of the utility model diced system is to structural representation.
Fig. 3 is the local structure for amplifying schematic diagram of the utility model diced system universal drive shaft transmission.
Fig. 4 is the A place enlarged drawing of the utility model Fig. 2.
Fig. 5 is the side direction partial schematic diagram of the utility model cutterbar assembly.
Fig. 6 is that the utility model gear-box is in length and breadth to dissecing structural representation.
Fig. 7 is the utility model gear-box connection diagram.
Fig. 8 is the utility model blades aligned schematic diagram.
Among the figure 1, the counterweight support, 2, the clutch control pole socket, 3, clutch operating lever, 4, clutch cable, 5, tractor, 6, balance weight, 7, balancing pole, 8, the balance lever pin, 9, chain sling, 10, portal frame, 11, the ceding of Taiwan, 12, hoist cylinder, 13, pallet, 14, the gearbox input shaft belt pulley, 15, V belt, 16, the transition belt pulley, 17, universal drive shaft, 18, extension spring, 19, the clutch driving lever, 20, transfer case, 21, V belt, 22, tractor diesel engine flying wheel, 23, tractor frame, 24, the portal frame transverse slat, 25, connecting bolt, 26, the portal frame guide-track groove, 27, ceding of Taiwan rolling bearing fixed axis, 28, rolling bearing, 29, cutting table frame, 30, connecting bolt, 31, ceding of Taiwan support, 32, cutting blade, 33, universal drive shaft, 34, the transition pulley concial disk, 35, transition pulley support connecting bolt, 36, transition pulley support bearing fixing sleeve, 37, transition belt pulley splined shaft, 38, transition belt pulley jackscrew, 39, ceding of Taiwan guard shield, 40, the transition angular wheel shaft, 41, spring collar, 42, the blade shaft bevel gear, 43, the floral disc axle, 44, platen on the blade, 45, platen under the blade, 46, blade, 47, the gear-box tight fixed bolt, 48, gear-box tightening frame, 49, gear-box tightening backing plate, 50, the blade pallet, 51, the blade tray rack, 52, blade pallet fixed head, 53, blade pallet fixed mount, 54, thrust bearing, 55, bearing, 56, the transition bevel gear, 57, the power shaft bevel gear, 58, gear case body, 59, ceding of Taiwan support, 60, ceding of Taiwan bracket bottom is held plate level with both hands, 61, gear-box power intake belt pulley, 62, the gear-box power input shaft, 63, the power input bevel gear, 64, universal drive shaft cover connecting pin, 65, universal axle sleeve, 66, universal drive shaft cover connecting pin, 67, universal drive shaft cover connecting axle, 68, power transmission shaft, 69, carbide bit.
In Fig. 1, be connected on the tractor front bumper for solving the stump machine, the tractor head is too heavy, the problem that tractor kinetic energy can not play one's part to the full, earlier with balancing weight and counterweight support [1], be connected on the gearbox rear side hitch frame hole of tractor, gantry support [10] be fixed by bolts on the front bumper [23] of tractor then.An end of both direction rolling bearing [28] in length and breadth is installed on the cutting table frame [29], inserts in the guide-track groove [26] of gantry support [10].The other end is welded with two bolt plates, with bolt [30] ceding of Taiwan [11] is connected on two fixed heads.The top of gantry support [10] is welded with the balancing pole support, and balancing pole [7] can be swung around balance lever pin [8] under the supporting role of balance lever pin [8].One end of balancing pole [7] is equipped with balancing weight [6], and the other end is equipped with suspension ring chain [9], and the other end of suspension ring chain [9] is connected on the balance focus point of the ceding of Taiwan [11].The weight of all parts that the ceding of Taiwan [11] is upward installed is slightly larger than the weight of balancing pole [7] self and balancing weight [6] composition, in balance lever pin [8] two ends Compositional balance system.Like this, when the tractor band the ceding of Taiwan [11] when cutting the shrub operation on rugged ground, when the pallet [13] of the ceding of Taiwan [11] bottom ran into the mount on ground or hollow, the ceding of Taiwan [11] can be risen or descend automatically.Whether look need of work, the lifting of the ceding of Taiwan [11] also can be separately by the driver by control hoist cylinder [12], allow the ceding of Taiwan [11] away from ground or drop on the ground.The fluid pressure line of hoist cylinder [12] is connected with the pressure distributor of tractor, and an end of hoist cylinder [12] is fixed on the gantry support [10], and the other end is connected on the cutting table frame [29] by bearing pin.The rotary power of the cutting blade [32] in the ceding of Taiwan [11] provides by the diesel engine [5] of tractor, it is to pass to transfer case [20] by V belt [21], be delivered to the ceding of Taiwan [11] by transfer case [20] by Hooks coupling universal coupling [17] again, be delivered to gear-box [58] through transition belt pulley and V belt.Transfer case [20] is made up of a pair of bevel gear and slip-clutch and power transmission shaft, slip-clutch driving lever [19], the end of slip-clutch driving lever [19], be mounted with extension spring that resets [18] and clutch cable [4], the other end of clutch cable [4] is connected on the control stick [3], control stick [3] is hinged with clutch control pole socket [2], and clutch control pole socket [2] is fixed on right side, operator on the tractor seat.After human pilot starts diesel engine, stir clutch cable handle [3], and when being stuck in the corresponding groove, shift fork [19] is stirred the toothpick clutch makes the power of tractor separate or combination with transfer case [20].When jaw clutch separated, the power of diesel engine can not passed to Hooks coupling universal coupling [17].When jaw clutch combined with bevel gear, power was passed to the ceding of Taiwan [11] and is imported gearbox [12] into, made cutting blade [13] rotation.
In Fig. 2, Fig. 3, illustrated embodiment, gantry support guide-track groove [26] is welded on the portal frame transverse slat [24], be connected on the crossbeam [23] of tractor front side by bolt [25], the horizontal rolling bearing [27] that install cutting table frame [29] both sides and vertical rolling bearing [28] play the positioning action of both direction in length and breadth at portal frame guide-track groove [26], and ceding of Taiwan support [31] is connected by connecting bolt [30] with cutting table frame [29].The longitudinal axis of gearbox drive axis and tractor has a discharge angle, and this angle can make shrub branch that the ceding of Taiwan [11] cuts down along the ceding of Taiwan guard shield that parallels with the gearbox drive axis, slides to tractor one side automatically.Transfer case [20] is connected by universal drive shaft [33] with transition belt pulley [34], and transition belt pulley [34] is enclosed within on the transition belt pulley splined shaft [37], is positioned in the transition pulley support bearing fixing sleeve [36] by two bearings again.Transition pulley support bearing fixing sleeve [36] is a welding structural element, and its side plate is fixed on the ceding of Taiwan support [31] with two bolts [35], the degree of tightness of regulating V belt with a tight fixed bolt [38].
Fig. 5, embodiment illustrated in fig. 6 in, hold plate [60] level with both hands in ceding of Taiwan support [31] and ceding of Taiwan bracket bottom and go up the ceding of Taiwan guard shield of installing [39], the front of the ceding of Taiwan is all sealed, the shrub branch that the ceding of Taiwan [11] cuts down can not enter into the inboard of the ceding of Taiwan [11].Guard shield [39] leaves an amount of gap with cutting blade [46], does not interfere with cutting blade [46].The tapered plane of gear-box [58] is close on swash plate plane below the ceding of Taiwan guard shield [39], with upright plane bigger cutting top rake is arranged, be cut the perpendicular that disconnected material can upwards slip into ceding of Taiwan guard shield [39] along this inclination angle, this inclination angle also makes cutting blade [46] relatively easily insert the root area of the shrub branch of the positive lodging of operation, cuts.In the gear-box [58], two rolling bearings [55] are installed on the transition angular wheel shaft [40], the outer ring of bearing is positioned in gear-box [58] dead eye, axle head is equipped with two bevel gears [56], the bevel gear on right side [56] is meshed with power shaft bevel gear [57], the bevel gear [56] in left side and the engagement of the bevel gear [42] on the floral disc axle [43], the axial location of floral disc axle [43] spring collar [41] location in the outer part, floral disc axle [43] is radially by thrust bearing [54] location.Lower end in floral disc axle [43] is connecting platen [45] under platen on the blade [44], blade [46], the blade, by being bolted on the floral disc axle [43].Weld ceding of Taiwan bracket bottom on the ceding of Taiwan support [59] and holding plate [60] level with both hands, gear-box is installed in ceding of Taiwan bracket bottom and holds level with both hands on the last plane of plate [60], the pallet seam frame that pallet [50], tray rack [51], pallet fixed head [52] are formed is connected on the fixed mount [53] with connecting bolt [52].During cutting blade [46] cutting shrub branch root, smooth for the otch that makes branch, reduce the hair stubble of otch, after increasing shrub, being cut as caragana microphylla and red building, do not have burnt pasty state, increase the next year germination rate of root, blade [46] was with horizontal plane, both holding tray surface had a top rake β.
Fig. 7, embodiment illustrated in fig. 8 in, between the adjacent teeth roller box [58], connect with universal axle sleeve [65], universal drive shaft cover connecting pin [66], universal drive shaft connecting axle [67].The power transmission that universal axle sleeve [65] is formed can be eliminated manufacturing and the alignment error of gearbox [12] when connecting each other, makes the power smooth transfer.In order not form the cutting dead angle, cutting blade [46] folds setting, between the adjacent cutting blade [46], is axially leaving a certain amount of gap, and this gap can guarantee that adjacent cutting blade [46] do not interfere in rotation.When making cutting blade [46] cut shrub in sandstone soil, wear-resistant, not cracked, do not come off, the outer rim in blade [46] is inlaid with a plurality of carbide bits [69], and cutting blade [46] has adopted higher linear velocity.