A kind of hay mower
The invention belongs to garden equipment technical field, relate to a kind of hay mower.
Along with the development in epoch, the living standard of people improves constantly, also more and more higher to the requirement of environmental condition, and lawn usable floor area grows at top speed, no matter be municipal administration, residential quarters or football pitch, golf course etc., lawn maintenance workload is corresponding increase also.
Comparatively common lawn care apparatus is mower at present, and traditional mower is all obtain power by burns gasoline, and its major defect has: one is that noise is large, affects the study of surrounding resident, work and life; Two is the modes adopting people's back of the body, adds the burden of gardener; Three is produce the waste gas such as carbonic acid gas, contaminated environment, the requirement that " low-carbon (LC) " that do not meet country's promotion at present lives.
For this reason, have developed a kind of hand-push type at present without engine mower, in mowing process, moved ahead by Manual-pushing mower, the road wheel on mower rotates and drives hobboing cutter to rotate, and hobboing cutter and stationary knife coordinate cutting to be cut off by the green grass being involved in mower.The mowing effect of mower is determined by the fit clearance of stationary knife and hobboing cutter, in order to tackle the needs on different growing way, landform lawn, have developed the Novel grass cutter of some adjustable hobboing cutters and stationary knife shear gap size in prior art, the mowing effect of mower can be made to reach optimum state.
As Chinese patent " a kind of fixed-knife adjustment device of grass cutter " that provide, its Authorization Notice No. is CN201230474Y, and Authorization Notice No. is " hand-push type mower " utility model patent of CN2760928Y, these patents are all adopt to regulate the mode of stationary knife to adjust shear gap, and adjustment operation is generally all inconvenient.
Summary of the invention
The object of the invention is for the problems referred to above existing for existing Manual-pushing propelled type mower, and propose the hay mower that a kind of mode by adjustment roll cutter position realizes shear gap adjustment.
Object of the present invention realizes by following technical proposal: a kind of hay mower, comprise frame, road wheel, stationary knife, hobboing cutter and the hand-pushing handle be connected with frame, two road wheels divide and are located at frame both sides, connect one to one with above-mentioned two road wheels after the two ends of a cutter shaft are each passed through the framework lateral plate of frame both sides, transmission mechanism is equipped with between each road wheel and cutter shaft, described stationary knife is fixedly connected with framework lateral plate, hobboing cutter to be arranged on cutter shaft and to form shear gap with above-mentioned stationary knife, it is characterized in that, governor motion is provided with between described framework lateral plate and cutter shaft, this governor motion can by adjustment cutter shaft position to reach the object regulating shear gap.
In above-mentioned a kind of hay mower, described governor motion comprises adjustment flap and adjustment seat, adjustment seat is fixedly installed on framework lateral plate, one end of described adjustment flap is rotationally connected by rotating shaft and framework lateral plate, the other end is provided with adjusting portion, described adjusting portion and adjustment seat are equipped with adjusting rod, this adjusting rod is threaded with adjusting portion, be provided with the position-limit mechanism preventing adjusting rod axially-movable between described adjusting rod and adjustment seat, the end of above-mentioned cutter shaft is passed the adjustment flap of corresponding side and can realize freely rotating relative to adjustment flap.
During rotary regulating lever, spacing by position-limit mechanism, adjusting portion is moved along adjusting rod, adjustment flap is made to do circular motion centered by rotating shaft, adjust cutter shaft disposed thereon and hobboing cutter position, stationary knife keeps motionless, reaches the object of the spacing regulated between hobboing cutter and stationary knife.
In above-mentioned a kind of hay mower, described adjusting rod is tangent with the movement locus regulating flap to rotate around the axis.The movement locus that adjusting portion is moved along adjusting rod and adjusting portion close as much as possible with the movement locus regulating flap to rotate centered by rotating shaft.
In above-mentioned a kind of hay mower, described adjustment seat is in " U " shape, and the adjusting portion of described adjustment flap is inserted from the U-shaped openend of adjustment seat, and above-mentioned adjusting rod passes two sides of adjusting portion and adjustment seat.
In above-mentioned a kind of hay mower, described position-limit mechanism comprises limit screw cap, and above-mentioned adjusting rod is all fixed with a limit screw cap through the two ends of exposing after adjusting portion and adjustment seat, and limit screw cap is resisted against in adjustment seat.
In above-mentioned a kind of hay mower, the medial surface of described framework lateral plate is all fixed with stationary knife fixed head, the two ends of stationary knife are connected with the stationary knife fixed head at two respectively, and above-mentioned adjustment seat is fixedly connected with stationary knife fixed head and both divide the both sides being located at framework lateral plate.
In above-mentioned a kind of hay mower, described transmission mechanism comprises and is fixedly installed on the inner ring gear on road wheel and the planetary gear with inner ring gears meshing, the center of road wheel is rotationally connected by the framework lateral plate of main shaft and corresponding side, and planetary gear is axially connected with cutter shaft.Inner ring gear and road wheel are arranged with one heart, drive inner ring gear together to rotate during road wheel walking, and planetary gear then drives hobboing cutter to rotate by cutter shaft, coordinates realize shearing with stationary knife.
In above-mentioned a kind of hay mower, the front end of described frame is provided with the straw basket for splendid attire grass bits.
In above-mentioned a kind of hay mower, described mower also includes two for the rear tugboat supported of walking, and after two, tugboat sets up separately in frame both sides, is provided with mowing height adjusting mechanism between described frame and rear tugboat.Mowing height can be grasped according to season and landform.
In above-mentioned a kind of hay mower, described mowing height adjusting mechanism comprises turning cylinder, bracing frame and adjustable plate, adjustable plate is hinged with adjustment spanner, some buckle structures arcuately distributed are provided with between described adjustable plate and adjustment spanner, above-mentioned adjustment spanner can be positioned at any one buckle structure place when pin joint rotates, rear tugboat and bracing frame are rotationally connected, bracing frame is fixedly installed on the rotating shaft, one end of described turning cylinder is connected with gantry rotation, and the other end is fixedly connected with regulating the articulated section of spanner.
In above-mentioned a kind of hay mower, described buckle structure comprises the chuck be arcuately disposed on adjustable plate, and the button hole matched with chuck established out by above-mentioned adjustment spanner.
In above-mentioned a kind of hay mower, described buckle structure comprises the draw-in groove be arcuately disposed on adjustable plate, and above-mentioned adjustment spanner is provided with the chuck matched with draw-in groove.
In above-mentioned a kind of hay mower, be provided with elasticity and press part between described adjustment spanner and adjustable plate, described adjustment spanner has the movement tendency to the motion of adjustable plate direction press the effect of part in elasticity under.
In above-mentioned a kind of hay mower, described adjustable plate is at right angles fan-shaped.
Compared with prior art, this hay mower has the following advantages:
1, be power without the need to electric power or gasoline, reduce noise, saved the energy.
2, rotate both sides adjusting rod and can realize shear gap adjustment, adjustment operation is simple and convenient, ensure that shear effect.
3, people adopt hand-push type to mow strolling in motion, have not only lain fallow and have tempered but also can realize to repair the object on lawn, not only can be used for the finishing on large area lawn, be suitable for small household meadow too and use.
4, adopt hobboing cutter stationary knife not touch cutter technology, noise is very low, boosts very laborsaving.
Accompanying drawing explanation
Fig. 1 is the structural representation of this hay mower.
Fig. 2 is the upward view of this hay mower.
Fig. 3 is the structural representation that governor motion coordinates with frame.
Fig. 4 is the structural representation regulating flap.
Fig. 5 is the connection diagram of road wheel and cutter shaft.
Fig. 6 is the structural representation of mowing height adjustment structure.
Fig. 7 is the partial enlarged drawing at A place in Fig. 6.
In figure, 1, frame; 1a, framework lateral plate; 1b, baffle plate; 2, road wheel; 3, stationary knife; 4, hobboing cutter; 5, cutter shaft; 6, straw basket; 7, hand-pushing handle; 8, rear tugboat; 9, main shaft; 10, stationary knife fixed head; 11, screw; 12, adjustment seat; 13, adjustment hole; 14, flap is regulated; 15, rotating shaft; 16, adjusting portion; 17, adjusting rod; 18, bore a hole; 19, hind axle; 20, limit screw cap; 21, gathering sill; 22, connecting hole; 23, holding screw; 24, inner ring gear; 25, planetary gear; 26, turning cylinder; 27, bracing frame; 28, adjustable plate; 28a, chuck; 29, spanner is regulated; 29a, button hole.
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As depicted in figs. 1 and 2, this hay mower comprises frame 1, road wheel 2, stationary knife 3 and hobboing cutter 4, frame 1 comprises baffle plate 1b and divides the framework lateral plate 1a being located at both sides, the front end of framework lateral plate 1a is provided with the straw basket 6 for splendid attire grass bits, the rear end of framework lateral plate 1a is connected with hand-pushing handle 7 and rear tugboat 8, two road wheels 2 points are located at mower both sides and are rotationally connected by the framework lateral plate 1a of main shaft 9 with corresponding side.
As shown in Figure 3, connect one to one with above-mentioned two road wheels 2 after the two ends of a cutter shaft 5 are each passed through the framework lateral plate 1a of frame 1 both sides, hobboing cutter 4 is arranged on cutter shaft 5.Stationary knife 3 between two pieces of framework lateral plate 1a, and is all fixed with stationary knife fixed head 10 at two, and described stationary knife fixed head 10 is fixed on the framework lateral plate 1a of corresponding side by securing member such as screw 11 grade, forms shear gap between stationary knife 3 and hobboing cutter 4.
Each stationary knife fixed head 10 is equipped with " U " shape adjustment seat 12 of one, this adjustment seat 12 is stretched out from the adjustment hole 13 corresponding side frame side plate 1a, and opening is just just to adjustment apertures 13.The medial surface of framework lateral plate 1a is also equipped with an adjustment flap 14, one end of flap 14 is regulated to be rotationally connected with framework lateral plate 1a by rotating shaft 15, the other end is provided with adjusting portion 16, and adjusting portion 16 is inserted in " U " shape adjustment seat 12 after the adjustment hole 13 framework lateral plate 1a stretches out.An adjusting rod 17 passes two sides of adjusting portion 16 and adjustment seat 12, and the two ends of exposing all are fixed with a limit screw cap 20, and limit screw cap 20 is resisted against in adjustment seat 12, and the middle part of adjusting rod 17 is threaded with adjusting portion 16.
As shown in Figure 4, the connecting hole 22 that flap 14 offers two arc guide grooves 21 and allows cutter shaft 5 pass through is regulated.In use procedure, the vibration of whole mower is frequent, be shifted in order to avoid regulating flap 14, some holding screws 23 can be arranged at gathering sill 21 place adjustment flap 14 and framework lateral plate 1a are tightened together, when needing to regulate shear gap, unclamp holding screw 23, holding screw 23 is due to the existence of arc guide groove 21, the adjustment action regulating flap 14 can not be hampered, after having adjusted, again screw holding screw 23.
As shown in Figure 5, road wheel 2 is provided with concentric inner ring gear 24, inner ring gear 24 is engaged with the less planetary gear of size 25, planetary gear 25 with through regulating the cutter shaft 5 of connecting hole 22 on flap 14 to be coaxially connected.When keeping regulating flap 14 position immobilizing, the connecting hole 22 of planetary gear 25 and the modulated flap 14 of cutter shaft 5 limit, and can only rotate in original place, so realize the shear action of hobboing cutter 4 under the drive of inner ring gear 24.
During use, gardener promotes the walking of whole mower by hand-pushing handle 7, road wheel 2 rotates in walking process and drives inner ring gear 24 together to rotate, and then driving the planetary gear 25 of engagement and cutter shaft 5 to rotate backward by inner ring gear 24, hobboing cutter 4 rotates with cutter shaft 5 and coordinates with stationary knife 3 and cut off by the green grass entering shear gap place.The grass bits cut are taken advantage of a situation by the hobboing cutter 4 rotated and are swept in the straw basket 6 in front, and the baffle plate 1b of frame 1 plays and prevents grass from considering the object flashed to be worth doing.
When needs regulate shear gap, first with instrument, the holding screw 23 etc. regulated on flap 14 is unscrewed, turn adjusting rod 17 again, the adjusting portion 16 of adjustment flap 14 is moved along adjusting rod 17, thus drive adjustment flap 14 to do circular motion centered by rotating shaft 15, be inconjunction with cutter shaft 5, hobboing cutter 4 and planetary gear 25 and together do circular motion, the shear gap between hobboing cutter 4 and stationary knife 3 is changed.In this process, road wheel 2 also needs to rotate certain angle to coordinate the change in location of planetary gear 25 around main shaft 9, the hole size in addition framework lateral plate 1a supplying cutter shaft 5 to pass and the motion needs of shape demand fulfillment cutter shaft 5.After adjustment completes, screw and regulate holding screw 23 on flap 14, for convenience of adjustment, can in the end opens of adjusting rod 17 hexagonal.
Because adjusting rod 17 is straight-bar, adjusting portion 16 also does circular motion while moving along adjusting rod 17 centered by rotating shaft 15, and circular motion is easily conditioned bar 17 and keeps off.For this reason, in the present embodiment, adjusting portion 16 is arranged on and regulates flap 14 as far as possible away from rotating shaft 15 place, and increased radius allows the side-play amount of adjusting portion 16 minimize.Meanwhile, make adjusting rod 17 and the tangent setting of movement locus of adjusting portion 16, impact is reduced to minimum.Moreover, perforation 18 aperture that adjustment seat 12 is passed for adjusting rod 17 can also be made comparatively to be greater than the external diameter of adjusting rod 17, to allow adjusting rod 17 realization deflection to a certain degree when regulating flap 14 to move.
As shown in Figure 6, the adjustable plate 28 that the rear end part of frame 1 is also provided with turning cylinder 26, bracing frame 27 and is fixedly connected with framework lateral plate 1a, adjustable plate 28 is hinged with and regulates spanner 29, bracing frame 27 is fixedly installed on turning cylinder 26, the two ends of described turning cylinder 26 are rotationally connected with the framework lateral plate 1a of both sides respectively, wherein one end is fixedly connected with regulating the articulated section of spanner 29 through after adjustable plate 28, above-mentioned contact to earth after tugboat 8 be arranged on bracing frame 27 by hind axle 19 rotation.
As shown in Figure 7, adjustable plate 28 is disposed on some chuck 28a, chuck 28a with regulate the pin joint of spanner 29 and adjustable plate 28 for the center of circle be that arc-shaped distributes, regulate on spanner 29 and offer the button hole 29a matched with chuck 28a, be provided with elasticity between adjustment spanner 29 and adjustable plate 28 and press part.
In lawn care process, for the growing way on different physical features and lawn, need to adjust cutting range in good time.Under normality, regulate spanner 29 press part effect by elasticity and be resisted against on adjustable plate 28, one of them the chuck 28a on adjustable plate 28 is inserted in the button hole 29a on adjustment spanner 29.When needs carry out adjustment cutting range, pull laterally and regulate spanner 29, overcome elasticity to press part chuck 28a is extracted out from button hole 29a, and rotate around pin joint under adjustment spanner 29 remains on flare state, drive turning cylinder 26 and bracing frame 27 to rotate simultaneously.Mower rear portion can be raised by the words that bracing frame 27 erects, if lie low and can reduce rearward height, the front and back in conjunction with hobboing cutter 4 and stationary knife 3 arrange relation, and the height achieving shear gap regulates change.After adjustment completes, the adjustment spanner 29 unclamped can be close to adjustable plate 28 automatically, and the chuck 28a of corresponding position is inserted in button hole 29a and completes locking.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.