CN201919342U - Special grass cutting machine for airport - Google Patents
Special grass cutting machine for airport Download PDFInfo
- Publication number
- CN201919342U CN201919342U CN2010205976686U CN201020597668U CN201919342U CN 201919342 U CN201919342 U CN 201919342U CN 2010205976686 U CN2010205976686 U CN 2010205976686U CN 201020597668 U CN201020597668 U CN 201020597668U CN 201919342 U CN201919342 U CN 201919342U
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- blade
- cutter hub
- angle
- cuts
- rectangular block
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D43/00—Mowers combined with apparatus performing additional operations while mowing
- A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
- A01D43/077—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material with auxiliary means, e.g. fans, for transporting the mown crop
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/73—Cutting apparatus
- A01D34/736—Flail type
Abstract
The utility model relates to a special grass cutting machine for an airport, wherein at least one cutter box is arranged on the lower part of a walking tractor chassis; a grass cutter having 2-4 grass cutting blades is arranged in each cutter box; a hydraulic motor is arranged on the grass cutter; an exhaust fan which is communicated with the cutter box through a pipeline is arranged at right side of the walking tractor chassis; an impeller is arranged in the exhaust fan; an engine is arranged on the walking tractor chassis; a pump base arranged on the engine is sleeved outside of an output shaft of the engine; a hydraulic pump is arranged on the pump base; one end of the output shaft of the engine is connected to the impeller while the other end is connected to the hydraulic pump which is communicated with the hydraulic motor; and a belt transmission mechanism which is connected to a clutch on the walking tractor chassis is arranged on the middle part of the output shaft of the engine.
Description
Technical field
The utility model belongs to mowing equipment or device technique field, is specifically related to the parts of mower.
Background technology
The both sides of airport runways, connecting taxiway, taxiway, hot season in summer weed growth vigorous, height is uneven, there are some grass to look very high, have some grass to look low, the weeds of the both sides of runway, connecting taxiway, taxiway, shelter from the light of airport runways, connecting taxiway, taxiway both sides, have influence on flight safety, these weeds need be cut off and clear up termly.
The mower of Xiao Shouing mainly contains three kinds in the market, and a kind of is large-scale mower, drives the blade rotation by engine, mow, this mower is mainly used on the grassland mows, and grass cuts down with after airing regathers back stores for future use, and large-scale mower can not cut low weeds, and grass can not be cleaned out the weeds of being cut down after cutting down at once, after weeds are rotted, infested, attract many birds, have influence on flight safety, also need manually to clear up.Another kind is small-sized mower, drives the straight blade shearing by a put-put and mows, and this mower is mainly used in the lawn of park public place of entertainment plantation and mows, and the grass on lawn is grown all lowlyer, after grass is cut down, again by manually clearing up.Also has a kind of large-scale associating mower, its primary structure is that the rotation of engine drive blade is mowed, the rotation of the air exhauster of engine drive simultaneously produces negative pressure the grass that is cut is down collected, the blade of the air exhauster impeller of this mower is for being reversed into the certain angle plate like structure, in the mowing process, many grass that cut off have been twined on the blade, mower running a period of time, the grass of cleaning on the blade need stop, just can proceed cutting operation, have influence on the mowing efficient of associating mower.
Above-mentioned three kinds of mowers can not be suitable for and cut off the uneven on earth weeds in airport runways, connecting taxiway, taxiway both sides and the grass of lodging.
In the mower technical field, the urgent technical problem that solves of current need provides a kind of mower that can cut the careless and weeds that overgrow of lodging.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned mower, provides a kind of airport reasonable in design, simple in structure, that mowing efficient is high special-purpose mower.
Solving the problems of the technologies described above the technical scheme that is adopted is: be provided with 1 cutterhead box body at least in the bottom on hand tractor chassis, the mowing cutterhead that 2～4 mowing blades are installed is set in each cutterhead box body, the mowing cutterhead is provided with hydraulic motor, the right side on hand tractor chassis is provided with the air exhauster that links by pipeline and cutterhead box body, be provided with impeller in the air exhauster, the hand tractor chassis is provided with engine, engine output shaft is set with the pump seat that is arranged on the engine outward, pump seat is provided with hydraulic pump, one end and the impeller of engine output shaft link, the other end links with the hydraulic pump that shaft coupling and hydraulic motor link, on the output shaft of engine the middle part be provided with the hand tractor chassis on the belt gear that links of clutch.
Impeller of the present utility model is: be provided with fan disk in the outer of wheel hub and constitute wheel disc, fan disk is provided with 2～4 blades, the inner of blade and the outer end of wheel hub overlap joint, the center line of blade is 30 °～80 ° with angle δ between the tangent diameter in blade the inner.
Blade of the present utility model is: the leading flank of blade is a parallelogram, and the angle ε on the inner side edge of parallelogram and base is 50 °～80 °.The trailing flank of blade is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle.Angle ζ between the anteromedial surface of blade and the back medial surface is 20 °～45 °.The inner of blade is with anterolateral surface and the back lateral surface is tangent and radius R that be connected as a single entity is the arc surface of 15～30mm, and the leading flank outer end of blade connects with the trailing flank inner surface.
Blade of the present utility model is: the leading flank of blade is a parallelogram, and the angle ε the best on the inner side edge of parallelogram and base is 65 °.The trailing flank of blade is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle.Angle ζ the best between the anteromedial surface of blade and the back medial surface is 30 °.The inner of blade is with anterolateral surface and the back lateral surface is tangent and radius R the best that be connected as a single entity is the arc surface of 20mm.
Blade the best of the present utility model has 3 uniform being arranged on the fan disk, the inner of blade and the outer end of wheel hub overlap joint, and the center line of blade is 60 ° with angle δ the best between the tangent diameter in blade the inner.
Blade of the present utility model is: the root at cutter hub is processed with connection holes a, the front end of cutter hub is processed with blade, it is 3: 1 rectangular block that the outer-end rear side of cutter hub cuts a long and wide ratio, the length that cuts rectangular block is identical with the width of cutter hub, the length direction of wide and cutter hub that cuts rectangular block is identical, cutter hub wide with the ratio that cuts the rectangle block length be 1: 0.3～0.5, it is 30 °～60 ° side blade that front side, the outer end rest parts of cutter hub is folded into α downwards, the intersection of side blade and cutter hub equates with the wide of the rectangular block that cuts to the distance of side blade lower end, the lower end of side blade is processed with the careless groove of colluding of 1 inverted v-shaped at least, and it is 10 °～30 ° side tool sword that the lower end of side blade and the dual-side of inverted v-shaped are processed with tool point angle.The grass guide board that the rear end folded of cutter hub becomes to be bent upwards, distance between the top and bottom of grass guide board, cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub, angle between grass guide board and the cutter hub plane is that β is 120 °～160 °, the intersection of grass guide board and cutter hub, and cutter hub before angle γ between the terminal knife edge be 30 °～45 °.
Blade of the present utility model is: cutting a long and wide ratio in the outer-end rear side of cutter hub is 3: 1 rectangular block, the length that cuts rectangular block is identical with the width of cutter hub, the length direction of wide and cutter hub that cuts rectangular block is identical, cutter hub wide with the ratio the best that cuts the rectangle block length be 1: 0.4, it is 45 ° side blade that front side, the outer end rest parts of cutter hub is folded into α the best downwards, the intersection of side blade and cutter hub equates with the wide of the rectangular block that cuts to the distance of side blade lower end, the lower end of side blade is processed with the careless groove of colluding of 1 inverted v-shaped at least, and it is 10 °～30 ° side tool sword that the lower end of side blade and the dual-side of inverted v-shaped are processed with tool point angle.Distance between the top and bottom of grass guide board of the present utility model, cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub, angle between grass guide board and the cutter hub plane is 140 ° for β the best, the intersection of grass guide board and cutter hub, and cutter hub before angle γ the best between the terminal knife edge be 40 °.
The blade of the utility model compressor adopts the curl inner surface of outer end and trailing flank of back leading flank of steel plate to weld and makes, air exhauster mower can be cut careless extraction, do not twine grass on the blade, yet stickweed not on the blade.The blade of installing on the mowing cutterhead adopts and is folded into reclinate side blade in the outer end of cutter hub, is processed with the careless groove of colluding of inverted v-shaped on the side blade, has enlarged the area of blade, lodging weeds on the ground can be cut down and cut into pieces; Be bent upwards into grass guide board in the cutter hub outer-end rear side, grass guide board makes the weeds of shredding under the air exhauster suction function of mower, discharges after grass guide board upwards flow to air exhauster.The utility model is through reaching 6 months development test, and weeds careless and that lodge on the ground that can be upright be triggered, and weeds are cut down and is cut into pieces by the blade of the blade of cutter hub front end and side blade.The utlity model has advantages such as reasonable in design, mowing and chaffcutter be effective, be applicable to very much the grass that cuts airport runways, taxiway, the rugged weeds in connecting taxiway both sides and lodging.
Description of drawings
Fig. 1 is the front view of the utility model embodiment 1.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of air exhauster 2 interior impellers 12 among Fig. 1.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the front view of blade 12-2 among Fig. 3.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the structural representation of blade 9 among Fig. 1.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is the B-B profile of Fig. 8.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1,2, the special-purpose mower in the airport of present embodiment is made of hand tractor chassis 1, air exhauster 2, engine 3, belt gear 4, pull bar 5, cutterhead box body 6, hydraulic motor 7, mowing cutterhead 8, blade 9, pump seat 10, hydraulic pump 11, impeller 12 connections.In the connecting relation of the parts of following examples, the direction of advance that is defined as mower is the place ahead.
The commodity of hand tractor chassis 1 for selling on the market.In the bottom on hand tractor chassis 1 with pull bar 53 the cutterhead box bodys 6 that have been fixedly connected, the place ahead, position of hand tractor chassis 1 center line is with pull bar 51 the cutterhead box body 6 that has been fixedly connected, the rear left-right symmetry each with pull bar 51 the cutterhead box body 6 that has been fixedly connected, with coupling spindle 1 mowing cutterhead 8 is installed in per 1 cutterhead box body 6, with coupling spindle 2 mowing blades 9 are installed on the mowing cutterhead 8, on per 1 mowing cutterhead 8 with screw threads for fastening connector 1 hydraulic motor 7 that has been fixedly connected, the coupling spindle of hydraulic motor 7 usefulness shaft couplings and mowing cutterhead 8 links, the coupling spindle that hydraulic motor 7 drives mowing cutterhead 8 rotates, 9 rotations of mowing blade, mow on the ground, and the grass that will cut off cuts into broken grass section.The right side on hand tractor chassis 1 is with the screw threads for fastening connector air exhauster 2 that has been fixedly connected, air exhauster 2 links by pipeline and cutterhead box body 6, impeller 12 is installed in the air exhauster 2, produces negative pressure during impeller 12 rotations, mowing blade 9 is cut into broken grass section extract out.On the hand tractor chassis 1 with the screw threads for fastening connector engine 3 that has been fixedly connected, engine 3 provides power for the utility model, engine 3 output shafts are set with pump seat 10 outward, pump seat 10 usefulness screw threads for fastening connectors are fixedly connected on engine 3, on the pump seat 10 with the screw threads for fastening connector hydraulic pump 11 that has been fixedly connected, one end of engine 3 output shafts links with connector and impeller 12, the other end links with shaft coupling and hydraulic pump 11, hydraulic pump 11 provides pressure source for the utility model, hydraulic pump 11 links by conduit and hydraulic motor 7, hydraulic pump 11 drives hydraulic motor 7 rotations, the middle part is equipped with belt gear 4 with connector on the output shaft of engine 3, clutch links on belt gear 4 and the hand tractor chassis 1, driving the utility model is walked on the ground and is carried out cutting operation, belt gear 4 is a conventional design in the mechanical design handbook, and promptly drive pulley links by belt and driven pulley.
Fig. 3～6 have provided the structural representation of the utility model impeller 12, and in Fig. 3～6, the impeller 12 of present embodiment is made of wheel disc 12-1, blade 12-2 connection.Wheel disc 12-1 is made of wheel hub 12-1.1, fan disk 12-1.2 connection, and the center of wheel hub 12-1.1 is processed with installing hole, and an end of engine 3 output shafts is installed in the installing hole of wheel hub 12-1.1 center.The outer rivet of continuing to use of wheel hub 12-1.1 connects formation wheel disc 12-1 with fan disk 12-1.2, wheel hub 12-1.1 and fan disk 12-1.2 also can adopt the screw threads for fastening connector to be fixedly connected.Uniform welding is connected with 3 blade 12-2 on the fan disk 12-1.2 of wheel disc 12-1, the outer end of the inner of blade 12-2 and wheel hub 12-1.1 overlap joint, and the center line of blade 12-2 is 60 ° with angle δ between the tangent diameter in blade 12-2 the inner.
The blade 12-2 of present embodiment is that the outer end of leading flank after being curled by a slice steel plate and the inner surface welding of trailing flank are made.The leading flank of blade 12-2 is a parallelogram, and the angle ε on the inner side edge of the parallelogram of blade 12-2 and base is 65 °.The trailing flank of blade 12-2 is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle.Front side inner surface and the angle ζ between the rear side inner surface of blade 12-2 are 30 °.The inner of blade 12-2 is an arc surface tangent with the back lateral surface with anterolateral surface and that be connected as a single entity, and the radius R of this arc surface is 20mm.Because the utility model adopts the blade 12-2 of this structure, blade 12-2 welding is connected in the impeller 12 that wheel disc 12-1 constitutes air exhauster 2, impeller 12 is installed on the air exhauster 2 of mower, air exhauster 2 mower can be cut careless extraction, do not twine grass on the blade 12-2, also stickweed not on the blade 12-2, this mower is applicable to the grass that cuts airport runways, taxiway, the rugged weeds in connecting taxiway both sides and lodging very much.
Fig. 7～9 have provided the structural representation of present embodiment blade 9.In Fig. 7～9, the blade 9 of present embodiment is connected as a single entity and is constituted by cutter hub 9-1, grass guide board 9-2, side blade 9-3, blade 9-4.
Cutter hub 9-1 is that root is shaped as semicircle and the rectangle formation that is connected as a single entity, it is 3: 1 rectangular block that the outer-end rear side of cutter hub 9-1 cuts a long and wide ratio, the length that cuts rectangular block is identical with the width of cutter hub 9-1, it is identical with the length direction of cutter hub 9-1 to cut the wide of rectangular block, cutter hub 9-1 wide with the ratio that cuts the rectangle block length be 1: 0.4.Be processed with 20 ° blade 9-4 at the front end of cutter hub 1, also can be processed into 10 ° blade 9-4, also can be processed into 30 ° blade 9-4, blade 9-4 is used for mowing, the root of cutter hub 9-1 is processed with connection holes a, connection holes a is used for blade 9 is installed in the cutterhead of mower, and cutterhead is mowed on the ground by the power set driven in rotation.It is 45 ° side blade 9-3 that front side, cutter hub 9-1 outer end rest parts is folded into α downwards, the intersection of side blade 9-3 and cutter hub 9-1 equates with the wide of the rectangular block that cuts to the distance of side blade 9-3 lower end, the lower end of side blade 9-3 is processed with the careless groove of colluding of 1 inverted v-shaped, also can be processed with the careless groove of colluding of 4 inverted v-shapeds, the angle that inverted v-shaped colludes careless groove dual-side is 60 °, the concrete number of colluding careless groove of inverted v-shaped should be determined according to the width of side blade 9-3 lower end, during side blade 9-3 lower end wider width, the colluding careless groove and can be processed into the inverted v-shaped that is connected as a single entity of head and the tail of inverted v-shaped, be zigzag, side blade 9-3 lower end and inverted v-shaped collude careless groove dual-side, and to be processed with tool point angle be 20 ° side tool sword, also can be processed into 10 ° side tool sword, also can be processed into 30 ° side tool sword, the side tool sword of side blade 9-3 lower end and inverted v-shaped dual-side, increased the area of blade 9-4, side blade 9-3 is folding downwards, side blade 9-3 can trigger on the ground weeds of lodging, and by the side tool sword of the blade 9-4 of cutter hub 9-1 front end and side blade 9-3 weeds is cut and to be cut into pieces.
The grass guide board 9-2 that the rear end folded of cutter hub 9-1 becomes to be bent upwards, distance between the top and bottom of grass guide board 9-2, cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub 9-1, angle β between grass guide board 9-2 and the cutter hub 9-1 plane is 140 °, the intersection of grass guide board 9-2 and cutter hub 9-1, and cutter hub 9-1 before angle γ between the terminal knife edge 9-4 be 40 °, the weeds that grass guide board 9-2 is used for shredding upwards flow to air exhauster 2 backs along grass guide board 9-2 and discharge under the suction function of the air exhauster 2 of mower.
Embodiment 2
In the present embodiment, uniform welding is connected with 2 blade 12-2 on the fan disk 12-1.2 of wheel disc 12-1 radiating groove, the outer end of the inner of blade 12-2 and wheel hub 12-1.1 overlap joint, the center line of blade 12-2 is 80 ° with angle δ between the tangent diameter in blade 12-2 the inner.Blade 12-2 is that the outer end of leading flank after being curled by a slice steel plate and the inner surface welding of trailing flank are made, and the leading flank of blade 12-2 is a parallelogram, and the angle ε on the inner side edge of the parallelogram of blade 12-2 and base is 50 °.The trailing flank of blade 12-2 is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle.Front side inner surface and the angle ζ between the rear side inner surface of blade 12-2 are 20 °.The inner of blade 12-2 is with anterolateral surface and the back lateral surface is tangent and radius R that be connected as a single entity is the arc surface of 15mm.The connecting relation of other parts and parts is identical with embodiment 1.
In the present embodiment, it is 3: 1 rectangular block that the outer-end rear side of cutter hub 9-1 cuts a long and wide ratio, the length that cuts rectangular block is identical with the width of cutter hub 9-1, and it is identical with the length direction of cutter hub 9-1 to cut the wide of rectangular block, cutter hub 9-1 wide with the ratio that cuts the rectangle block length be 1: 0.3.It is 30 ° side blade 9-3 that front side, the outer end rest parts of cutter hub 9-1 is folded into α downwards, the intersection of side blade 9-3 and cutter hub 9-1 equates with the wide of the rectangular block that cuts to the distance of side blade 9-3 lower end, the lower end of side blade 9-3 is processed with the careless groove of colluding of 1 inverted v-shaped, the careless groove dual-side that colludes of the lower end of side blade 9-3 and inverted v-shaped is processed with the side tool sword, and the tool point angle of side tool sword is identical with embodiment 1.The grass guide board 9-2 that the rear end folded of cutter hub 9-1 becomes to be bent upwards, distance between the top and bottom of grass guide board 9-2, cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub 9-1, angle between grass guide board 9-2 and the cutter hub 9-1 plane is that β is 120 °, the intersection of grass guide board 9-2 and cutter hub 1, and cutter hub 9-1 before angle γ between the terminal knife edge 9-4 be 30 °.The annexation of other parts and parts is identical with embodiment 1.
Embodiment 3
In the present embodiment, uniform welding is connected with 4 blade 12-2 on the fan disk 12-1.2 of wheel disc 12-1, the outer end of the inner of blade 12-2 and wheel hub 12-1.1 overlap joint, the center line of blade 12-2 is 30 ° with angle δ between the tangent diameter in blade 12-2 the inner.Blade 12-2 is that the outer end of leading flank after being curled by a slice steel plate and the inner surface welding of trailing flank are made, and the leading flank of blade 12-2 is a parallelogram, and the angle ε on the inner side edge of the parallelogram of blade 12-2 and base is 80 °.The trailing flank of blade 12-2 is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle.Front side inner surface and the angle ζ between the rear side inner surface of blade 12-2 are 45 °.The inner of blade 12-2 is with anterolateral surface and the back lateral surface is tangent and radius R that be connected as a single entity is the arc surface of 30mm.The connecting relation of other parts and parts is identical with embodiment 1.
In the present embodiment, it is 3: 1 rectangular block that the outer-end rear side of cutter hub 9-1 cuts a long and wide ratio, the length that cuts rectangular block is identical with the width of cutter hub 9-1, and it is identical with the length direction of cutter hub 9-1 to cut the wide of rectangular block, cutter hub 9-1 wide with the ratio that cuts the rectangle block length be 1: 0.5.It is 60 ° side blade 3 that front side, the outer end rest parts of cutter hub 9-1 is folded into α downwards, the intersection of side blade 9-3 and cutter hub 9-1 equates with the wide of the rectangular block that cuts to the distance of side blade 9-3 lower end, the lower end of side blade 9-3 is processed with the careless groove of colluding of 1 inverted v-shaped, the careless groove dual-side that colludes of the lower end of side blade 9-3 and inverted v-shaped is processed with the side tool sword, and the tool point angle of side tool sword is identical with embodiment 1.The grass guide board 9-2 that the rear end folded of cutter hub 9-1 becomes to be bent upwards, distance between the top and bottom of grass guide board 9-2, cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub 9-1, angle between grass guide board 9-2 and the cutter hub 9-1 plane is that β is 160 °, the intersection of grass guide board 9-2 and cutter hub 9-1, and cutter hub 9-1 before angle γ between the terminal knife edge 9-4 be 45 °.The annexation of other parts and parts is identical with embodiment 1.
In above embodiment 1～3, in the bottom on hand tractor chassis 1 with pull bar 51 the cutterhead box body 6 that has been fixedly connected, 1 cutterhead box body 6 can be installed in 1 front side, hand tractor chassis, also can be installed in 1 left side, hand tractor chassis, also can be installed in 1 right side, hand tractor chassis, with coupling spindle 1 mowing cutterhead 8 is installed in the cutterhead box body 6, the mowing blade of installing on the mowing cutterhead 89 is identical with respective embodiments, and the annexation of other parts and parts is identical with respective embodiments.
Also can design the special-purpose mower in airport of another concrete structure according to above-mentioned principle, but all within protection domain of the present utility model.
Claims (7)
1. the special-purpose mower in an airport, it is characterized in that: be provided with 1 cutterhead box body (6) at least in the bottom of hand tractor chassis (1), the mowing cutterhead (8) that 2～4 mowing blades (9) are installed is set in each cutterhead box body (6), mowing cutterhead (8) is provided with hydraulic motor (7), the right side on hand tractor chassis (1) is provided with the air exhauster (2) that links by pipeline and cutterhead box body (6), be provided with impeller (12) in the air exhauster (2), hand tractor chassis (1) is provided with engine (3), engine (3) output shaft is set with the pump seat (10) that is arranged on the engine (3) outward, pump seat (10) is provided with hydraulic pump (11), one end and the impeller (12) of engine (3) output shaft link, the other end links with the hydraulic pump (11) that shaft coupling and hydraulic motor (7) link, and the middle part is provided with hand tractor chassis (1) and goes up the belt gear (4) that clutch links on the output shaft of engine (3).
2. according to the special-purpose mower in the described airport of claim 1, it is characterized in that described impeller (12) is: be provided with fan disk (12-1.2) in the outer of wheel hub (12-1.1) and constitute wheel disc (12-1), fan disk (12-1.2) is provided with 2～4 blades (12-2), the outer end of the inner of blade (12-2) and wheel hub (12-1.1) overlap joint, the center line of blade (12-2) is 30 °～80 ° with angle (δ) between the tangent diameter in blade (12-2) the inner.
3. according to the special-purpose mower in the described airport of claim 2, it is characterized in that described blade (12-2) is: the leading flank of blade (12-2) is a parallelogram, and the inner side edge of parallelogram and the angle on base (ε) are 50 °～80 °; The trailing flank of blade (12-2) is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle; Angle (ζ) between the anteromedial surface of blade (12-2) and the back medial surface is 20 °～45 °; The inner of blade (12-2) is with anterolateral surface and the back lateral surface is tangent and radius (R) that be connected as a single entity is the arc surface of 15～30mm, and the leading flank outer end of blade (12-2) connects with the trailing flank inner surface.
4. according to the special-purpose mower of claim 2 or 3 described airports, it is characterized in that described blade (12-2) is: the leading flank of blade (12-2) is a parallelogram, and the inner side edge of parallelogram and the angle on base (ε) are 65 °; The trailing flank of blade (12-2) is that trapezoidal, trapezoidal outer side edges is vertical with the base, the plane at place, base and trapezoidal bottom and the plane parallel at place, parallelogram bottom on the trapezoidal last base peace row quadrangle; Angle (ζ) between the anteromedial surface of blade (12-2) and the back medial surface is 30 °; The inner of blade (12-2) is with anterolateral surface and the back lateral surface is tangent and radius (R) that be connected as a single entity is the arc surface of 20mm.
5. according to the special-purpose mower in the described airport of claim 2, it is characterized in that: described blade (12-2) has 3 uniform being arranged on the fan disk (12-1.2), the outer end of the inner of blade (12-2) and wheel hub (12-1.1) overlap joint, the center line of blade (12-2) is 60 ° with angle (δ) between the tangent diameter in blade (12-2) the inner.
6. according to the special-purpose mower in the described airport of claim 2, it is characterized in that described blade (9) is: the root at cutter hub (9-1) is processed with connection holes (a), the front end of cutter hub (9-1) is processed with blade (9-4), it is 3: 1 rectangular block that the outer-end rear side of cutter hub (9-1) cuts a long and wide ratio, the length that cuts rectangular block is identical with the width of cutter hub (9-1), the length direction of wide and cutter hub (9-1) that cuts rectangular block is identical, cutter hub (9-1) wide with the ratio that cuts the rectangle block length be 1: 0.3～0.5, it is 30 °～60 ° side blade (9-3) that front side, the outer end rest parts of cutter hub (9-1) is folded into (α) downwards, the intersection of side blade (9-3) and cutter hub (9-1) equates with the wide of the rectangular block that cuts to the distance of side blade (9-3) lower end, the lower end of side blade (9-3) is processed with the careless groove of colluding of 1 inverted v-shaped at least, and it is 10 °～30 ° side tool sword (9-4) that the lower end of side blade (9-3) and the dual-side of inverted v-shaped are processed with tool point angle; The grass guide board (9-2) that the rear end folded of cutter hub (9-1) becomes to be bent upwards, distance between the top and bottom of grass guide board (9-2) cuts appearance of rectangular block etc. with the outer-end rear side of cutter hub (9-1), angle between grass guide board (9-2) and cutter hub (9-1) plane is that (β) is 120 °～160 °, the intersection of grass guide board (9-2) and cutter hub (9-1), and the preceding terminal knife edge of cutter hub (9-1) (9-4) between angle (γ) be 30 °～45 °.
7. according to the special-purpose mower in the described airport of claim 6, it is characterized in that described blade (9) is: cutting a long and wide ratio in the outer-end rear side of cutter hub (9-1) is 3: 1 rectangular block, the length that cuts rectangular block is identical with the width of cutter hub (9-1), the length direction of wide and cutter hub (9-1) that cuts rectangular block is identical, cutter hub (9-1) wide with the ratio that cuts the rectangle block length be 1: 0.4, it is 45 ° side blade (9-3) that front side, the outer end rest parts of cutter hub (9-1) is folded into (α) downwards, the intersection of side blade (9-3) and cutter hub (9-1) equates with the wide of the rectangular block that cuts to the distance of side blade (9-3) lower end, the lower end of side blade (9-3) is processed with the careless groove of colluding of 1 inverted v-shaped at least, and it is 10 °～30 ° side tool sword (9-4) that the lower end of side blade (9-3) and the dual-side of inverted v-shaped are processed with tool point angle; Distance between the top and bottom of described grass guide board (9-2), cut the appearance etc. of rectangular block with the outer-end rear side of cutter hub (9-1), angle between grass guide board (9-2) and cutter hub (9-1) plane is that (β) is 140 °, the intersection of grass guide board (9-2) and cutter hub (9-1), and the preceding terminal knife edge of cutter hub (9-1) (9-4) between angle (γ) be 40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205976686U CN201919342U (en) | 2010-11-05 | 2010-11-05 | Special grass cutting machine for airport |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205976686U CN201919342U (en) | 2010-11-05 | 2010-11-05 | Special grass cutting machine for airport |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201919342U true CN201919342U (en) | 2011-08-10 |
Family
ID=44423222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205976686U Expired - Fee Related CN201919342U (en) | 2010-11-05 | 2010-11-05 | Special grass cutting machine for airport |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201919342U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860171A (en) * | 2012-09-17 | 2013-01-09 | 河北农业大学 | Orchard mower |
| CN106612885A (en) * | 2016-12-15 | 2017-05-10 | 渠县金穗农业科技有限公司 | Foldable walking weeding machine |
| CN108824511A (en) * | 2018-06-09 | 2018-11-16 | 安徽科创新能源科技有限责任公司 | A kind of balance excavator |
| CN108825228A (en) * | 2018-06-09 | 2018-11-16 | 安徽科创新能源科技有限责任公司 | A kind of mine has the excavating equipment of tilt adjustment effect with bottom |
-
2010
- 2010-11-05 CN CN2010205976686U patent/CN201919342U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860171A (en) * | 2012-09-17 | 2013-01-09 | 河北农业大学 | Orchard mower |
| CN106612885A (en) * | 2016-12-15 | 2017-05-10 | 渠县金穗农业科技有限公司 | Foldable walking weeding machine |
| CN108824511A (en) * | 2018-06-09 | 2018-11-16 | 安徽科创新能源科技有限责任公司 | A kind of balance excavator |
| CN108825228A (en) * | 2018-06-09 | 2018-11-16 | 安徽科创新能源科技有限责任公司 | A kind of mine has the excavating equipment of tilt adjustment effect with bottom |
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