CN203840764U - Rear-suspension type rotary hay mower - Google Patents
Rear-suspension type rotary hay mower Download PDFInfo
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- CN203840764U CN203840764U CN201420230968.9U CN201420230968U CN203840764U CN 203840764 U CN203840764 U CN 203840764U CN 201420230968 U CN201420230968 U CN 201420230968U CN 203840764 U CN203840764 U CN 203840764U
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Abstract
The utility model relates to a harvesting machine, in particular to a rear-suspension type rotary hay mower which comprises a traction frame, a machine frame, a lifting mechanism, a transmission mechanism, a blade and a harvesting table provided with a plurality of rotary cutter discs. The transmission mechanism comprises a universal transmission shaft, a driving transmission unit, a transmission box and a driven transmission unit, wherein the components are sequentially connected. The driving transmission unit comprises a driving wheel connected with the universal transmission shaft, a driven wheel and a first belt. The transmission box comprises a vertical shaft connected with the driven wheel, a horizontal shaft, a first bevel gear arranged at one end of the vertical shaft and a second bevel gear arranged at one end of the horizontal shaft, and the vertical shaft and the horizontal shaft are in transmission connection through vertical meshing of the first bevel gear and the second bevel gear. The driven transmission unit comprises a driving belt wheel connected with the horizontal shaft, cutter disc belt wheels corresponding to the rotary cutter discs, a belt tensioning device and a second belt, and adjacent rotary cutter discs are opposite in rotation direction. The rear-suspension type rotary hay mower is reliable in transmission and stable in operation, mechanical vibration and damage are not prone to occurring, and operation efficiency is high.
Description
Technical field
The utility model relates to a kind of harvesting machinery, relates in particular to a kind of back suspended rotary mower using with tractor.
Background technology
Along with the development of China's economy, also there is very large change in the working condition in vast rural area, pastoral area.In order to increase work efficiency to adapt to large-area herbage harvesting, mower conventionally and tractor is used in conjunction with and most employing is back suspended.The reciprocating mowing mode of the general employing of existing rear mounted harvester, mowing is realized with the kind of drive of wooden connecting rod in its inside, and transmission is unstable, and operation Oscillation Amplitude is large, has limited the raising of operating speed.Therefore need the rearmounted mower that a kind of transmission is more steady, operating efficiency is higher badly.
Utility model content
Technical problem to be solved in the utility model is to overcome the problems referred to above, and provides a kind of stable drive, failure rate is low and harvesting efficiency back suspended rotary mower high, that be connected as a single entity with tractor rear-mounted.
The utility model solves the technical scheme that its technical problem adopts: described a kind of back suspended rotary mower comprises hitch frame for being connected with tractor rear-mounted, frame, hoisting mechanism, transmission mechanism, the cutter beam being connected as a single entity with hitch frame and the header that is positioned at cutter beam below, it is characterized in that: described header transverse row is shown a plurality of rotary heads, and along outer peripheral edges, be evenly placed with a plurality of harvesting blades on each rotary head; Between described frame and cutter beam, by hoisting mechanism, connect, described hoisting mechanism is hydraulic jack, to play rapid lifting cutter beam and header, thus the harvesting of adaptation complex road surface;
Described transmission mechanism comprises connected successively universal drive shaft, active transmission mechanism, the assorted case of transmission and is placed in the passive transmission mechanism of header below; Described universal drive shaft top is connected with tractor transmission output shaft;
Described active transmission mechanism comprises and is socketed in driving wheel, the driven pulley of Universal drive shaft end and is sleeved on a belt between the two;
The assorted case of described transmission comprises vertical axis, trunnion axis orthogonal with it, No. two bevel gears being arranged on a bevel gear of vertical axis end and being arranged on trunnion axis end; It is intracardiac that described vertical axis end is arranged in follower shaft, and its top and trunnion axis are in transmission connection by the Vertical Meshing realization of a bevel gear and No. two bevel gears;
Described passive transmission mechanism comprises a drive pulley being connected with trunnion axis the other end, be positioned at rotary head below and one to one cutterhead belt pulley, be arranged on belt stretcher and winding No. two belts wherein at the cutterhead belt pulley place of last; Described cutterhead belt pulley and described rotary head coaxially arrange, and both centers are fixedly penetrated with a Pulley shaft; Described No. two belts are surrounded on successively on drive pulley, cutterhead belt pulley, tensioning apparatus and form closed circular, and the cutterhead belt pulley of itself and odd bits is by the outer surface winding of fitting, with the cutterhead belt pulley of even bit by the inner surface winding of fitting, thus, between adjacent cutterhead belt pulley, be and rotate backward shape, overlapping to guarantee adjacent rotary head movement locus, guarantee to reduce the quality of harvesting and heavily to cut rate.
Also include a buffering stand, comprise two pull bars with wedge-lock and the vertical Compress Spring being resisted against on one of them pull bar; Two described pull bars are fitted up and down and are linked and lock by Compress Spring; Described buffering stand one end is connected with one end of hitch frame by wedge-lock, and the other end is fixed in frame by wedge-lock, and its effect is when header and barrier are bumped to breakage, to play effective protective effect.
Further, at the hitch frame described in the utility model, be U-shaped, and its both ends all offer a through hole; Also include the bearing pin suitable with through hole, described bearing pin runs through through hole and is connected with tractor rear-mounted.
Further, between the cutter beam described in the utility model and header, be also connected with a curved baffle, described curved baffle is positioned at the outside of last rotary head.Its effect is for separating of being cut the herbage of part and not cutting the herbage of part.
Further, in the cutter beam both sides described in the utility model, be also outward extended with grass block frame, its effect is to cut herbage and not cut herbage separately, and pushes inner side to by cutting herbage, for lower time operation provides without lawn belt.
Further, in the quantity of the rotary head described in the utility model, be four, and last rotary head height is greater than the height of all the other rotary heads, its effect is the herbage for effectively separately having cut and the herbage of not cutting; Harvesting cutterhead quantity on described each rotary head is three.
Further, at a belt described in the utility model, No. two belts, all adopt hexagonal balata belt.
Further, at a bevel gear described in the utility model, adopt bearing pin to be fixed on vertical axis, realize firmly and connecting.
The beneficial effects of the utility model are:
1, this structure is connected successively by universal drive shaft, active transmission mechanism, the assorted case of transmission, passive transmission mechanism, thereby form a set of steadily reliable operation movement system, transmission mechanism reliability is strong, and adopt the transmission of hexagonal balata belt to make rotary head keep High Rotation Speed state, frame for movement is simple, good operating stability, failure rate is low, maintenance cost is low, has overcome mechanical oscillation and damage that hexagonal axis, angular wheel transmission produce.
2, due to adopt spring to hang and belt under rotate, cutter beam is relatively low, easily lifting, header can close proximity to ground, cuts stubble low, earth's surface is had to good profiling ability simultaneously, is suitable for different terrain environments.
3, because a plurality of rotary heads are set up in parallel, work and adjacent two switched in opposite, track are overlapping simultaneously, this has not only improved herbage harvesting efficiency, can high speed operation reach 2.4 hectares per hour, reduced to leak and cut rate and heavily cut rate, guaranteed harvesting quality, be applicable to harvesting in enormous quantities, and be easy to herbage to focus on centre position to realize quick collection.
Accompanying drawing explanation
Fig. 1 is the perspective view of the back suspended rotary mower of the utility model.
Fig. 2 is the vertical view of the back suspended rotary mower of the utility model.
Fig. 3 is the cutaway view of the assorted case of transmission in the utility model.
Fig. 4 is header in the utility model and the syndeton vertical view of passive transmission mechanism.
Fig. 5 is the structural representation of the buffering stand in the utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is further described:
Shown in the Fig. 1 in accompanying drawing, Fig. 2, the back suspended rotary mower using with tractor described in the present embodiment, comprises hitch frame 1 that can be connected with tractor rear-mounted (not shown in FIG.), the frame 2 being connected with hitch frame 1, hoisting mechanism 3, transmission mechanism, cutter beam 4 and the header 5 that is positioned at cutter beam 4 belows.Wherein, described hitch frame 1 is U-shaped, its with tractor rear-mounted between by 3, connect, described hitch frame 1 both ends all offer a through hole 1-1, also include the bearing pin suitable with through hole 1-1, described bearing pin runs through through hole 1-1 and is connected with tractor rear-mounted, and the mid portion of described hitch frame 1 is connected with the rear-mounted mid portion of tractor.
Described header 5 transverse row are shown a plurality of rotary heads 6, and along outer peripheral edges, are evenly placed with a plurality of harvesting blades 7 on each rotary head 6.Wherein, in the present embodiment, the number of rotary head 6 is four, and harvesting blade 7 numbers on each rotary head 6 are three.Between described frame 2 and cutter beam 4, by hoisting mechanism 3, connect, be that hoisting mechanism 3 one end are connected with frame 2, the other end is connected with cutter beam 4, and described hoisting mechanism 3 is hydraulic jack, employing hydraulic system is handled, can rapid and convenient promote header 5, realize steady obstacle detouring, thereby guarantee that header 5 adapts to the harvesting of various complex road surfaces.
Shown in Fig. 2, described transmission mechanism comprises connected successively universal drive shaft 8, active transmission mechanism 9, the assorted case 10 of transmission and is placed in the passive transmission mechanism 11 of header 5 belows; Described universal drive shaft 8 tops are connected with tractor transmission output shaft; Wherein, universal drive shaft 8 outsides are also provided with two hinges (not shown in FIG.), and its effect is to rotate in its transmission process in order to prevent, therefore, wherein a hinge is connected with frame 2, and another is connected with tractor rear-mounted.
Described active transmission mechanism 9 comprises and is socketed in driving wheel 9-1, the driven pulley 9-3 of universal drive shaft 8 ends and is sleeved on a belt 9-2 between the two.
Shown in Fig. 3, No. two bevel gear 10-3 that the assorted case 10 of the transmission described in the present embodiment comprises vertical axis 10-1, trunnion axis 10-4 orthogonal with it, is arranged on a bevel gear 10-2 of vertical axis 10-1 end and is arranged on trunnion axis 10-4 end; It is upper that a described bevel gear 10-2 adopts bearing pin 10-5 to be fixed on vertical axis 10-1, guarantees firm connection between the two; Described vertical axis 10-1 end is arranged in driven pulley 9-3 axle center, and its top and trunnion axis 10-4 are in transmission connection by the Vertical Meshing realization of a bevel gear 10-2 and No. two bevel gear 10-3.
Shown in Fig. 4, passive transmission mechanism 11 described in the present embodiment comprises a drive pulley 11-1 who is connected with trunnion axis 10-4 the other end, be positioned at rotary head 6 belows and one to one cutterhead belt pulley 11-2, be arranged on belt stretcher 11-3 and the winding No. two belt 11-4 wherein at the cutterhead belt pulley 11-2 place of last; Described cutterhead belt pulley 11-2 and described rotary head 6 coaxially arrange, and both centers are fixedly penetrated with a Pulley shaft 11-5 realization and are in transmission connection; Described No. two belt 11-4 are surrounded on drive pulley 11-1, the upper closed circular that forms of a plurality of cutterhead belt pulley 11-2, tensioning apparatus 11-3 successively, and the cutterhead belt pulley 11-2 of itself and odd bits is by the outer surface winding of fitting, with the cutterhead belt pulley 11-3 of even bit by the inner surface winding of fitting, thus, between adjacent cutterhead belt pulley 11-3, be the harvesting blade 7 rotating backward on shape and adjacent rotary head 6 interlaced.In other words, if the rotary head of odd bits 6 is, clockwise rotate shape, the rotary head 6 of even bit is and rotates counterclockwise shape.This structural design is in order to guarantee that the rotary track of the harvesting blade 7 on adjacent rotary head 6 has certain lap, thereby to avoid Lou cutting the rate of heavily cutting that reduces.
In the present embodiment, a described belt 9-2, No. two belt 11-4 all adopt hexagonal balata belt.
Shown in Fig. 1, Fig. 2 and Fig. 5, in the present embodiment, also include a buffering stand 12, comprise two pull bar 12-1 with wedge-lock 12-2 and the vertical Compress Spring 12-3 being resisted against on one of them pull bar 12-1; Two described pull bar 12-1 fit up and down and link and lock by Compress Spring 12-3; Described buffering stand 12 one end are connected with one end of hitch frame 1 by wedge-lock 12-2, and the other end is fixed in frame 2 by wedge-lock 12-2.During normal use, adjust the pressure to 300 kilogram of described Compress Spring 12-3.When header 5 and barrier bump, pull bar 12-1 overcomes the pressure of Compress Spring 12-3, and two pull bar 12-1 are separated from each other, and header 5 swings backward, cuts off the power of header 5 simultaneously, plays the effect of effective protection.
It should be noted that for effectively separated and cut the herbage of part and do not cut the herbage of part, in the present embodiment, also possess multiple blocking mechanism; One, is connected with a curved baffle 13 between described cutter beam 4 and header 5, and described curved baffle 13 is positioned at the effect that the outside of last rotary head 6 stops to play rear side; Its two, described cutter beam 4 both sides are outward extended with grass block frame 14, by cutting herbage and do not cut herbage separately and pushing inner side to by cutting herbage, for lower time operation provides without lawn belt; Its three, last described rotary head 6 is highly greater than the height of all the other rotary heads 6, the effect that same performance is effectively separated.
The operation principle of the present embodiment is: hitch frame 1 is articulated on tractor rear-mounted, and universal drive shaft 8 is connected with tractor transmission output shaft and drives the driving wheel 9-1 in active transmission mechanism 9, via a belt 9-2, drives to driven pulley 9-3; Thereafter, driven pulley 9-3 rotarily drives coaxially through vertical axis 10-1 wherein, and drive to trunnion axis 10-4 by cooperatively interacting of a bevel gear 10-2 and No. two bevel gear 10-3, drive is socketed in the drive pulley 11-1 rotation of trunnion axis 10-4 end, by this, power reaches passive transmission mechanism 11; Due to passive transmission mechanism 11, interior No. two belt 11-4 have specific circling, No. two belt 11-4 drives adjacent cutterhead belt pulley 11-2 relatively to rotate with contrary direction, thus, rotary head 6 is High Rotation Speed thereupon also, and the harvesting blade 7 that is positioned at rotary head 6 outsides keeps its harvesting state under centrifugal action.
This structure operation movement system is steadily reliable, transmission mechanism reliability is strong, adopt the transmission of hexagonal balata belt to make rotary head 6 keep High Rotation Speed state, frame for movement is simple, good operating stability, failure rate is low, maintenance cost is low, has overcome mechanical oscillation and damage that hexagonal axis, angular wheel transmission produce; Due to adopt spring to hang and belt under rotate, cutter beam 4 is relatively low, easily lifting, header 5 can close proximity to ground, cuts batch lowly, earth's surface is had to good profiling ability simultaneously, is suitable for different terrain environments; Mower relies on the spinning force of rotary head 6, and herbage is focused on to centre position, and the herbage of being convenient to the later stage is collected.Complete machine structure is reasonable in design, and simply compact, operating procedure is simple, and maintenance is adjusted also very easy.Meanwhile, test datas show in a large number, and the present embodiment can high speed operation reach 2.4 hectares per hour, and production efficiency is high, is enough to meet large batch of harvesting demand, has practicality and replicability.
Specific embodiment described herein is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all can, under spirit of the present utility model and category, modify or change above-described embodiment.Therefore, have in technical field under in every case and conventionally know that the knowledgeable modifies or changes not departing from all equivalences that complete under spirit that the utility model discloses and technological thought, must be contained by claim of the present utility model.
Claims (7)
1. a back suspended rotary mower, frame, hoisting mechanism, transmission mechanism, the cutter beam that comprises hitch frame for being connected with tractor rear-mounted, is connected as a single entity with hitch frame and the header that is positioned at cutter beam below, it is characterized in that: described header transverse row is shown a plurality of rotary heads, and along outer peripheral edges, be evenly placed with a plurality of harvesting blades on each rotary head; Between described frame and cutter beam, by hoisting mechanism, connect, described hoisting mechanism is hydraulic jack;
Described transmission mechanism comprises connected successively universal drive shaft, active transmission mechanism, the assorted case of transmission and is placed in the passive transmission mechanism of header below; Described universal drive shaft top is connected with tractor transmission output shaft;
Described active transmission mechanism comprises and is socketed in driving wheel, the driven pulley of Universal drive shaft end and is sleeved on a belt between the two;
The assorted case of described transmission comprises vertical axis, trunnion axis orthogonal with it, No. two bevel gears being arranged on a bevel gear of vertical axis end and being arranged on trunnion axis end; It is intracardiac that described vertical axis end is arranged in follower shaft, and its top and trunnion axis are in transmission connection by the Vertical Meshing realization of a bevel gear and No. two bevel gears;
Described passive transmission mechanism comprises a drive pulley being connected with trunnion axis the other end, be positioned at rotary head below and one to one cutterhead belt pulley, be arranged on belt stretcher and winding No. two belts wherein at the cutterhead belt pulley place of last; Described cutterhead belt pulley and described rotary head coaxially arrange, and both centers are fixedly penetrated with a Pulley shaft; Described No. two belts are surrounded on successively on drive pulley, cutterhead belt pulley, tensioning apparatus and form closed circular, and the cutterhead belt pulley of itself and odd bits is by the outer surface winding of fitting, with the cutterhead belt pulley of even bit by the inner surface winding of fitting, thus, between adjacent cutterhead belt pulley, be and rotate backward shape;
Also include a buffering stand, comprise two pull bars with wedge-lock and the vertical Compress Spring being resisted against on one of them pull bar; Two described pull bars are fitted up and down and are linked and lock by Compress Spring; Described buffering stand one end is connected with one end of hitch frame by wedge-lock, and the other end is fixed in frame by wedge-lock.
2. according to back suspended rotary mower claimed in claim 1, it is characterized in that: described hitch frame is U-shaped, and its both ends all offer a through hole; Also include the bearing pin suitable with through hole, described bearing pin runs through through hole and is connected with tractor rear-mounted.
3. according to back suspended rotary mower claimed in claim 1, it is characterized in that: between described cutter beam and header, be also connected with a curved baffle, described curved baffle is positioned at the outside of last rotary head.
4. according to back suspended rotary mower claimed in claim 1, it is characterized in that: described cutter beam both sides are also outward extended with grass block frame.
5. according to back suspended rotary mower claimed in claim 1, it is characterized in that: the quantity of described rotary head is four, and last rotary head height is greater than the height of all the other rotary heads; Harvesting cutterhead quantity on described each rotary head is three.
6. according to back suspended rotary mower claimed in claim 1, it is characterized in that: described No. two belts adopt hexagonal balata belt.
7. according to back suspended rotary mower claimed in claim 1, it is characterized in that: between a described bevel gear and vertical axis, adopt bearing pin to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230968.9U CN203840764U (en) | 2014-05-07 | 2014-05-07 | Rear-suspension type rotary hay mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230968.9U CN203840764U (en) | 2014-05-07 | 2014-05-07 | Rear-suspension type rotary hay mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840764U true CN203840764U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420230968.9U Expired - Fee Related CN203840764U (en) | 2014-05-07 | 2014-05-07 | Rear-suspension type rotary hay mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171267A (en) * | 2016-09-13 | 2016-12-07 | 巴图 | Grass making machine |
-
2014
- 2014-05-07 CN CN201420230968.9U patent/CN203840764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106171267A (en) * | 2016-09-13 | 2016-12-07 | 巴图 | Grass making machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20190507 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |