CN2363466Y - Rotary mower - Google Patents
Rotary mower Download PDFInfo
- Publication number
- CN2363466Y CN2363466Y CN 99202092 CN99202092U CN2363466Y CN 2363466 Y CN2363466 Y CN 2363466Y CN 99202092 CN99202092 CN 99202092 CN 99202092 U CN99202092 U CN 99202092U CN 2363466 Y CN2363466 Y CN 2363466Y
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- China
- Prior art keywords
- mower
- swinging
- axle
- cutterhead
- bearing
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Abstract
The utility model relates to a rotary mower. A big power tractor is used as power, a suspension rod is connected with a base provided with a traveling wheel, and flat blades and bend blades of three cutter frames are driven by a gear box of which power is imported by a driving shaft to do high speed rotary movement to carry out powerfully grass cutting work. The utility model adopts the special shape of a cutter, locking device, a traveling wheel height adjustment structure and a labyrinth type oil sealing structure, so the utility model has the advantages of strong cutter, long life of the cutter, convenient disassembly and replacement, simple adjustment of stubble of height, good sealing property, etc. The utility model is an advanced implement as cutting any type weeds and tree trunk of which diameter is 50 millimeters, the operation of utility model is simple and convenient, and the work is safe.
Description
The utility model relates to lawn vegetation mowing machinery, is particularly useful for the mowing machinery on big lawn, airport.
Mower is to be the necessary important equipment of guarantee airport grassland vegetation, and it will be related to the important assurance of flight safety." power-operated mower " of existing mower such as application number 87215428 is power with the electromotor, drives monolithic stretched twolip cutter and realizes pruning mowing, generally is applicable to the pruning operation of garden lawn.Also just like " mower " of application number 92228353.2 and " a kind of mower " of application number 93206939.8, its cutting movement is for moving back and forth, because structural defective, be the requirement that cutting force or cutter life all can't be suitable for southern airport vegetation height, luxuriant, close, thick and accident of terrain, circumstance complication; Secondly also have cutting knife change inconvenience, sealing poor, adjust defective such as stubble height trouble.
The purpose of this utility model with regard to be cutting for southern airport vegetation provide a kind of rational in infrastructure, cutting force is big, cutter life is long changes conveniently, regulates that stubble height is simple and easy, the swinging mower of good airproof performance.
According to the foregoing invention purpose, embodiment of the present utility model is: comprise the four-wheel tractor as power, its two secondary hanger bar and base are hinged and connected, the base below is provided with four road wheels, the output shaft of four-wheel tractor links to each other with power transmission shaft by universal coupling, and power transmission shaft links to each other with transmission case on being located at base by adpting flange, the transmission case outputting power drives three knife rest revolutions through three groups of belt transmission, knife rest is provided with incisory cutting knife, it is characterized in that described cutting knife comprises to be connected by locking device, be distributed in the flat blade and the tulwar sword of cutter diameter direction.
Described road wheel has height-adjustable adjustment packing ring.
Described transmission case is provided with mazy oil enveloping structure at its lower bearing inner face place.
The utility model is power with the big-power tractor, compact conformation, rationally distributed transmission mechanism have been adopted, special cutting knife shape and locking device, and road wheel height adjusting structure and mazy oil enveloping structure, make the design more outstanding have strong bite, cutter life long, change conveniently, advantages such as stubble height is regulated simple and easy, good airproof performance, weeds and 50 millimeters thick tree bars of being enough to any kind in the competent cutting airport grassland, and easy and simple to handle, safe and reliable.
Description of drawings.
Fig. 1 is the utility model topology layout schematic diagram.
Fig. 2 is understructure figure.
Fig. 3 is the transmission case structure chart.
Fig. 4 is oil enveloping structure figure.
Fig. 5 is cutter frame structure figure.
Fig. 6 is cutting knife locking device structure figure.
Embodiment to the utility model is described in detail again below in conjunction with above-mentioned accompanying drawing.
Swinging mower (referring to Fig. 1-6) with high-power four-wheel tractor (8) as power, as " Jiangsu-504 type " 50 horsepowers of four wheel drives, the two secondary hanger bar (7) of utilizing tractor self to have are hinged and connected with base (2), there are four road wheels (1) the base below, the output shaft of four-wheel tractor links to each other with power transmission shaft (5) by universal coupling (6), and power transmission shaft links to each other with transmission case (10) by adpting flange (18), and transmit three knife rests of driving (3) by the transmission case outputting power through three groups of belts (9) and turn round, knife rest is provided with incisory cutting knife (4), and this cutting knife is connected by locking device, be distributed in diametric flat blade of cutterhead (33) (34) and tulwar sword (36).
Base (2) comprises the hood-shaped framework (14) by the steel plate welding, the framework front side is hinged with the hanger bar (15) that constitutes triangle, hanger bar on the four-wheel tractor (7) links on two hinged points (16), travel forward to drag whole base, in the process that moves forward, realize the high speed rotary cutting action.Four jiaos of belows of framework are provided with height-adjustable road wheel (1), road wheel is supporting whole base, its annexation is: the road wheel movable set is on little axle, little axle two ends are connected on the fork-shaped wheel carrier (17), the top of wheel carrier is column part, it is movable again intert with the solid axle sleeve (11) of framework four fillet welding in, and on the wheel carrier cylinder, be provided with the adjustment packing ring (13) of regulating height, and insert spacing bearing pin (12), the bearing pin two ends connect with split pin.The height of road wheel is regulated the adjusting of stubble height when being related to cutting, it is overhead height adjusting of framework, the airport vegetation must guarantee to have certain stubble height for obviously distinguishing with runway, can promptly regulate five kinds of height of mowing by 4 increases and decreases of adjusting packing ring.
Transmission case (10) power connects input by power transmission shaft (5) by adpting flange (18), it includes a transmission case body (19), be provided with two supports in the transmission case body and in bearing, form the I axle (20) that is in transmission connection with adpting flange, the end in addition of I axle is provided with the bevel gear (21) that is in transmission connection, II axle (24) upper end that is bearing in equally in the transmission case body bearing is provided with the bevel gear (23) that is in transmission connection, two bevel gears are intermeshed, II axle lower end overhanging end is provided with and is in transmission connection, make the belt pulley (26) of axial restraint by nut (25), power is exported thus, divides supplementary biography to three knife rests (3).Bearing described in the literary composition is equipped with the bearing cap (22) that is screwed outward, makes axial location with the sleeve or the shaft shoulder respectively between the two bearings.Described being in transmission connection is the spline connection.
For improving the sealing of transmission case, prevent to turn round the fluid that splashes in the raising middle flask along II axle (24) toward dirty and leak, lower bearing inner face place is provided with mazy oil enveloping structure in transmission case II axle bottom, this oil enveloping structure comprises close-fitting ring (28) and be fixed on the following ring (31) of transmission case body inwall on the II axle, following ring is a concentric ring structure, last ring is stretched and is constituted the oil sealing link in the gap that is inserted in down the ring concentric ring, and outer shroud (30) end face that requires to encircle down is higher than the lower surface of encircling, interior ring (29) end face is higher than outer shroud and oil sump pasta (27), like this, when arriving upward, the fluid that splashes is imported into down between the inside and outside concentric ring of ring behind the ring, because the interior ring in two concentric rings of ring is higher than outer shroud and oil sump pasta down, oil is unlikely excessive with regard to being prevented from.And outer shroud is higher than the ring lower surface, has stoped so again because of walking " oil wave " that causes bottom-up the pouring into of jolting to encircle that to cross interior hoop excessive.
Knife rest (3) has three groups, is contained in middle front end of transmission case and and arranged on left and right sides respectively.Described knife rest comprises housing (39), be fixed on the bedframe (14) by pressing plate (38), in the bearing of cutter shaft (37) two supports in housing, one overhanging end is provided with by hold-down nut (40) and makes belt pulley (41) axial restraint, that be in transmission connection with the cutter shaft spline, and another overhanging end is provided with fixing
Type cutterhead (33), cutterhead is connecting flat blade (34) and tulwar sword (36) in diametric(al), and endways grass and the grass of bending can both be cut, "
The cutterhead of type can prevent that the grass of being cut off is wrapped on the cutter shaft, torque between cutter shaft and the cutterhead, bite transmission are born by being located between cutter shaft, the cutterhead and by the fastening block poking pin of screw (35), and are provided with the adjustment structure of regulating the belt degree of tightness on tool holder casing.
This adjustment structure is included in the shell flange face and is provided with and its fixing spiral shell piece (42), be bolted with screw rod (43) in the spiral shell piece, and the framework end face is provided with the location-plate (32) that connects the case (not shown), screw rod passes location-plate and is provided with fastening nut in the both sides of location-plate, can realize the adjusting of belt degree of tightness by the degree of tightness of two nuts.
Lower for solving this device knife rest because of the position, the extremely problem of inconvenience that changes of cutting knife (4), designed special cutting knife locking device, this locking device promptly with the fixing cutterhead of cutter shaft in fixing the locking nut (44) that has transverse groove (45), cutting knife is connected on cutterhead (33) and the locking nut (44) by hold-down bolt (47) and packing ring sleeve (48), lock-screw (46) is fastened on the outermost end of locking nut transverse groove, after installing cutting knife, lock-screw is tightened, make the transverse groove distortion of locking nut and prevent the cutting knife bolt looseness, guarantee cutting knife locking firmly, in the time will changeing cutting knife, earlier lock-screw is loosened, can back out the cutting knife bolt like a cork.And cutting knife itself connects into the activity surplus with gap, in order to when in a single day cutting knife is run into hard thing in cutting process, getting out of the way automatically, avoid cutting knife to damage, cutting knife along with the high speed rotating of belt pulley, forms strong cutting function in power transmission process.
The utility model operator as long as operate relevant handle, can realize the ascending, descending and the cutting operation of mower in driving, handle mentioned herein and ascending, descending mechanism belong to the tractor parts, connect by suspension.
Claims (9)
1. swinging mower, comprise four-wheel tractor (8) as power, its two secondary hanger bar (7) is hinged and connected with base (2), the base below is provided with four road wheels (1), the output shaft of four-wheel tractor links to each other with power transmission shaft (5) by universal coupling (6), and power transmission shaft links to each other with transmission case (10) on being located at base by adpting flange (18), the transmission case outputting power drives three knife rests (3) revolution through three groups of belts (9) transmission, knife rest is provided with incisory cutting knife (4), it is characterized in that described cutting knife (4) comprises to be connected by locking device, be distributed in diametric flat blade of cutterhead (33) (34) and tulwar sword (36).
2. swinging mower as claimed in claim 1, it is characterized in that described base (2) includes a framework (14), the framework front side is hinged with the hanger bar (15) that constitutes triangle, hanger bar on the four-wheel tractor links on latter two hinged point (16), and four jiaos of belows of framework are provided with height-adjustable road wheel (1).
3. swinging mower as claimed in claim 1 or 2, it is characterized in that described road wheel (1) movable set is on little axle, little axle two ends are connected on the fork-shaped wheel carrier (17), the column part of wheel carrier is movable again intert with the axle sleeve (11) of framework Corner Strapped in, and on the wheel carrier cylinder, be provided with the adjustment packing ring (13) of regulating height, and insert spacing bearing pin (12).
4. swinging mower as claimed in claim 1, it is characterized in that described transmission case (10) comprises a transmission case body (19), be provided with the I axle (20) that two supports is in transmission connection with adpting flange (18) in the transmission case body in bearing, the end in addition of I axle is provided with the bevel gear (21) that is in transmission connection, II axle (24) upper end that is bearing in equally in the transmission case body bearing is provided with the bevel gear (23) that is in transmission connection, two bevel gears are intermeshed, II axle lower end overhanging end is provided with and is in transmission connection, make the belt pulley (26) of axial restraint by nut (25), described bearing is equipped with bearing cap outward, is provided with mazy oil enveloping structure at lower bearing inner face place, II axle bottom simultaneously.
5. swinging mower as claimed in claim 4, it is characterized in that described oil enveloping structure comprises the following ring (31) that close-fitting going up on II axle (24) encircled (28) and be fixed on transmission case body (19) inwall, following ring is a concentric ring structure, and last ring is stretched in the gap that is inserted in down the ring concentric ring.
6. swinging mower as claimed in claim 1, it is characterized in that described knife rest (3) comprises housing (39), be fixed on the bedframe (14) by pressing plate (38), in the bearing of cutter shaft (37) two supports in housing, one overhanging end is provided with by hold-down nut (40) and makes axial restraint, the belt pulley (41) that is in transmission connection with cutter shaft, another overhanging end is provided with fixing cutterhead (33), cutterhead is connecting flat blade of cutting knife (34) and tulwar sword (36) in diametric(al), be provided with the fastening block poking pin (35) of transmitting torque between cutter shaft and the cutterhead, and on tool holder casing, be provided with the adjustment structure of regulating the belt degree of tightness.
7. swinging mower as claimed in claim 6, it is characterized in that described belt degree of tightness adjustment structure is included in housing (39) flange face and is provided with and its fixing spiral shell piece (42), be provided with the screw rod (43) that is spirally connected in the spiral shell piece, and the framework end face is provided with the location-plate (32) that connects case, and screw rod passes location-plate and is provided with fastening nut (40) in the both sides of location-plate.
8. swinging mower as claimed in claim 1, it is characterized in that described cutting knife locking device with the fixing cutterhead (33) of cutter shaft (37) in fixing the locking nut (44) that has transverse groove (45), cutting knife is connected on cutterhead (33) and the locking nut (44) by hold-down bolt (47), and lock-screw (46) is fastened on the outermost end of locking nut transverse groove.
9. as claim 6 or 8 described swinging mowers, it is characterized in that described cutterhead (33) is
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202092 CN2363466Y (en) | 1999-01-22 | 1999-01-22 | Rotary mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99202092 CN2363466Y (en) | 1999-01-22 | 1999-01-22 | Rotary mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2363466Y true CN2363466Y (en) | 2000-02-16 |
Family
ID=33997655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99202092 Expired - Fee Related CN2363466Y (en) | 1999-01-22 | 1999-01-22 | Rotary mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2363466Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103171A1 (en) * | 2016-12-08 | 2018-06-14 | 宁波大叶园林设备股份有限公司 | Tension wheel-free ordinary belt-driven same direction tilt dual mowing blade dual discharge wide lawn mower |
-
1999
- 1999-01-22 CN CN 99202092 patent/CN2363466Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018103171A1 (en) * | 2016-12-08 | 2018-06-14 | 宁波大叶园林设备股份有限公司 | Tension wheel-free ordinary belt-driven same direction tilt dual mowing blade dual discharge wide lawn mower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |