CN201332589Y - Swinging-arm transmission device of copy land wheel - Google Patents
Swinging-arm transmission device of copy land wheel Download PDFInfo
- Publication number
- CN201332589Y CN201332589Y CNU2008202160819U CN200820216081U CN201332589Y CN 201332589 Y CN201332589 Y CN 201332589Y CN U2008202160819 U CNU2008202160819 U CN U2008202160819U CN 200820216081 U CN200820216081 U CN 200820216081U CN 201332589 Y CN201332589 Y CN 201332589Y
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- China
- Prior art keywords
- swing arm
- spring
- profiling
- land wheel
- pull bar
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Abstract
The utility model relates to a swinging-arm transmission device of a copy land wheel, which includes a fixed seat, a spring pressure regulating device, a swinging-arm transmission mechanism and the copy land wheel, wherein the spring pressure regulating device comprises a spring pull rod, a spring seat, a spring, a pressure plate and a guide sleeve; the spring seat and the pressure plate are arranged on the spring pull rod; the spring is sleeved on the spring pull rod, of which the two ends are propped against the spring seat and the pressure plate respectively; a regulating nut is screwed at a screw rod part of the spring pull rod and connected with the pressure plate; the spring pull rod penetrates the fixed seat and is hinged with an swinging arm of the swinging-arm transmission mechanism; the guide sleeve sleeved on the spring pull rod is arranged on a mounting hole of the fixed seat and connected with the spring seat; and the spherical surface of the guide sleeve shaft shoulder is connected with the spherical surface of the mounting hole end surface. The pressure on the swinging arm can be adjusted by the elastic force of the spring, so that the cope land wheel can be pressed on the ground for the pure rolling movement of a machine tool even when the machine tool passes through bumpy ditches and basins, thereby achieving the purpose of uninterrupted and accurate sowing.
Description
Technical field
The utility model relates to a kind of swing arm profiling ground wheel transmission device, belongs to technical field of seeders.
Background technology
No-tillage seeding machine is in cultivating procedure, at first cut off by the straw of cutter with ground, behind ground trench digging, in traveling process, continue along this ditch trench digging that continues to dig by plough again, it is expanded into seed furrow, and fertilizer seeding in trench digging, finish trench digging, fertilizer, seeding, earthing.And no-tillage seeding machine need rely on the profiling land wheel to realize sowing.But the profiling of present disclosed no-tillage seeding machine ground wheel transmission device is made of forward and backward boatswain chair, bogie arm and profiling land wheel etc., bogie arm is hinged by rear hanging plate front end and front hanging plate, and fluctuate around bearing pin, the profiling land wheel is equipped with in the bogie arm rear end, and profiling land wheel amount of floating is adjusted in the position, hole on the rear hanging plate.In no-tillage seeding machine advanced, the profiling land wheel changed the profiling up and down of rolling with the face of land, by the floating gear arm floating gear is moved forward and backward, to guarantee transmission.Though bogie arm and front hanging plate are hinged, but when facility are located through ditch is hollow, the active force that is subjected to ground because of the profiling land wheel reduces, profiling this moment land wheel only relies on deadweight to descend, especially when running into bigger protruding barrier, only rely on the profiling land wheel of deadweight not to be close to rapidly on the ground, therefore, discontinuous seeding fertilizer phenomenon also can occur, can not reach the accurately effect of sowing of free of discontinuities.In addition, because the amount of floating of profiling land wheel adopts the set a distance adjustment structure, the adjustable range of following an example up and down of profiling land wheel is subjected to certain limitation.
Summary of the invention
The purpose of this utility model provides a kind of swing arm profiling ground wheel transmission device, can adjust swing arm pressure by the elastic force of spring, still profiling land wheel close proximity to ground can be advanced as pure rolling during at facility, realize that free of discontinuities accurately sows by rough ditch depression section.
The utility model is that the technical scheme that achieves the above object is: a kind of swing arm profiling ground wheel transmission device, it is characterized in that: comprise holder, the spring pressure regulating device, swing arm transmission mechanism and profiling land wheel, described spring pressure regulating device comprises the spring pull bar, spring base, spring, pressing plate and fairlead, the spring pull bar is provided with spring base and pressing plate, spring housing is contained on the spring pull bar and is against respectively on spring base and the pressing plate, adjusting nut is screwed in the screw rod place of spring pull bar and joins with pressing plate, it is hinged that the spring pull bar passes the swing arm of holder and swing arm transmission mechanism, be sleeved on fairlead on the spring pull bar and be arranged on the installing hole of holder and join, and the sphere on sphere on the fairlead shaft shoulder and the installing hole end face joins with spring base; Described swing arm transmission mechanism comprises swing arm, profiling ground wheel sprocket and swing arm driven axle, swing arm driving shaft, drive sprocket and by movable sprocket, the swing arm driven axle and the swing arm driving shaft that are installed in the upper and lower of swing arm are separately installed with by movable sprocket and drive sprocket, chain is on installing by movable sprocket and drive sprocket, profiling ground wheel sprocket is installed on the swing arm driven axle, and the swing arm driving shaft is connected with the profiling land wheel.
Profiling of the present utility model ground wheel transmission device adopts swing arm transmission mechanism and spring pressure regulating device articulated structure, in facility move ahead process, the profiling land wheel changes rolling with the face of land, the active force on ground is passed to the spring pressure regulating device by swing arm transmission mechanism, and when facility are located through ditch is hollow, when the profiling land wheel is reduced by the active force on ground, the spring external force of spring pressure regulating device reduces, and spring is extended rapidly, driving the profiling land wheel descends rapidly, owing to make profiling land wheel close proximity to ground make pure rolling by the elastic force of spring and the deadweight of profiling land wheel, so power accurately can be passed to the seeding fertilizer mechanism, the free of discontinuities of assurance seeding fertilizer is the amount of broadcasting accurately.The fairlead of the utility model spring pressure regulating device is that sphere contacts with holder, and not only spring work is flexible, can bear the active force of various aspects, but and the amount of floating step-less adjustment of profiling land wheel, easy to use.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A sectional structure schematic diagram of Fig. 1.
Wherein: 1-handle, 2-connector, 3-conduit, 4-screw, 5-profiling ground wheeling rack, the 6-screw mandrel, 7-bearing pin, 8-fairlead, 9-holder, the 10-swing arm, 11-profiling land wheel, 12-spring base, 13-spring pull bar, the 14-spring, 15-pressing plate, 16-adjusting nut, 17-profiling ground wheel sprocket, the passive axle bed of 18-swing arm, 19-swing arm driven axle, 20-be by movable sprocket, the 21-chain, the 22-drive sprocket, 23-swing arm driving shaft, the 24-swing arm is axle bed initiatively, 25-profiling land axle bearing.
Embodiment
See shown in Fig. 1,2 that swing arm profiling of the present utility model ground wheel transmission device comprises holder 9, spring pressure regulating device, swing arm transmission mechanism and profiling land wheel 11.See shown in Figure 1, spring pressure regulating device of the present utility model comprises spring pull bar 13, spring base 12, spring 14, pressing plate 15, fairlead 8 and adjusting nut 16, spring base 12 and pressing plate 15 are installed on the spring pull bar 13, spring 14 is sleeved on the spring pull bar 13 and is against respectively on spring base 12 and the pressing plate 15, one side of spring pull bar 13 is a screw rod, adjusting nut 16 is screwed in screw rod and joins with pressing plate 15, active length by adjusting nut 16 control springs 14, so that reliable operational forces to be provided, spring pull bar 13 passes holder 9 and hinged with the swing arm 10 of swing arm transmission mechanism by bearing pin 7, make spring pull bar 13 reach forming movement up and down around swing arm 10 rotations, and the adjustable range of following an example up and down of profiling land wheel 11 is in 12~18cm scope, can fully satisfy the also job requirements of farmland on a plateau of general straw.See shown in Figure 1, be sleeved on fairlead 8 on the spring pull bar 13 and be arranged on the installing hole of holder 9, fairlead 8 is connected with spring base 12, spring base 12 also has sleeve pipe, sleeve pipe and spring pull bar 13 join, fairlead 8 is welded on the end of spring base 12, and the sphere on fairlead 8 shaft shoulders contacts spring pull bar 13 flexible swinging with sphere on the installing hole end face.
See shown in Fig. 1,2, swing arm transmission mechanism of the present utility model comprises swing arm 10, profiling ground wheel sprocket 17, swing arm driven axle 19, swing arm driving shaft 23, drive sprocket 22, by movable sprocket 20 and chain 21, swing arm 10 of the present utility model is box structure, the upper and lower that is installed in swing arm 10 is separately installed with swing arm driven axle 19 and swing arm driving shaft 23, swing arm driven axle 19 is connected by the passive axle bed 18 of bearing and swing arm, the passive axle bed 18 of swing arm is installed in the swing arm 10 by securing member, profiling ground wheel sprocket 17 is installed and by movable sprocket 20 on the swing arm driven axle 19.Swing arm driving shaft 23 is connected with swing arm active axle bed 24 by bearing, and drive sprocket 22 is installed on the swing arm active axle bed 24, and chain 21 is installed in by movable sprocket 20 and drive sprocket 22, with transferring power.See shown in Figure 2, securing member is installed in swing arm active axle bed 24 in the swing arm 10, profiling land axle bearing 25 is connected with swing arm active axle bed 24 by bearing, profiling land axle bearing 25 is connected with profiling land wheel 11, swing arm driving shaft 23 is connected with profiling land wheel 11, facility are in cultivating procedure, profiling land wheel 11 is made PURE ROLLING on ground, in rolling process, transmission of power is transferred to inorganic speed changer through chain drive by profiling ground wheel sprocket 17 to swing arm driving shaft 23, pass to seed and fertilizer-expelling unit again, realize the free of discontinuities of seeding fertilizer, the accurate amount of broadcasting.
Swing arm profiling of the present utility model ground wheel transmission device at no-tillage seeding machine before farming, the convenient profiling land wheel of regulating ground level, also be connected with the profiling land wheel height adjustment mechanism that lands on the top of holder 9, the profiling land wheel height adjustment mechanism that lands comprises conduit 3, in establish the profiling ground wheeling rack 5 of screw 4 and be screwed in screw mandrel 6 on the screw 4, profiling ground wheeling rack 5 is installed on the holder 9, conduit 3 is connected with the frame of facility, conduit 3 tops are welded with connector 2, screw mandrel 6 passes connector 2 and is connected with handle 1, by rotating handles 1 regulate profiling land wheel 11 ground level, to control big or small two-disc cutter embedded depth, easy to operate.
Claims (4)
1, a kind of swing arm profiling ground wheel transmission device, it is characterized in that: comprise holder (9), the spring pressure regulating device, swing arm transmission mechanism and profiling land wheel (11), described spring pressure regulating device comprises spring pull bar (13), spring base (12), spring (14), pressing plate (15) and fairlead (8), spring pull bar (13) is provided with spring base (12) and pressing plate (15), spring (14) is sleeved on spring pull bar (13) and goes up and be against respectively on spring base (12) and the pressing plate (15), adjusting nut (16) is screwed in the screw rod place of spring pull bar (13) and joins with pressing plate (15), it is hinged with the swing arm (10) of swing arm transmission mechanism that spring pull bar (13) passes holder (9), be sleeved on fairlead (8) on the spring pull bar (13) and be arranged on the installing hole of holder (9) and join, and the sphere on fairlead (8) shaft shoulder and the sphere on the installing hole end face join with spring base (12); Described swing arm transmission mechanism comprises swing arm (10), profiling ground wheel sprocket (17) and swing arm driven axle (19), swing arm driving shaft (23), drive sprocket (22) and by movable sprocket (20), the swing arm driven axle (19) and the swing arm driving shaft (23) that are installed in the upper and lower of swing arm (10) are separately installed with by movable sprocket (20) and drive sprocket (22), chain (21) is installed in by on movable sprocket (20) and the drive sprocket (22), profiling ground wheel sprocket (17) is installed on the swing arm driven axle (19), and swing arm driving shaft (23) is connected with profiling land wheel (11).
2, swing arm profiling according to claim 1 ground wheel transmission device, it is characterized in that: described top at holder (9) also is connected with the profiling land wheel height adjustment mechanism that lands, the profiling land wheel land height adjustment mechanism comprise conduit (3), in establish the profiling ground wheeling rack (5) of screw (4) and be screwed in screw mandrel (6) on the screw (4), profiling ground wheeling rack (5) is connected with holder (9).
3, swing arm profiling according to claim 1 ground wheel transmission device, it is characterized in that: the end of described spring pull bar (13) is hinged by bearing pin (7) and swing arm (10).
4, swing arm profiling according to claim 1 ground wheel transmission device, it is characterized in that: described swing arm driving shaft (23) is connected with swing arm active axle bed (24) by bearing, profiling land axle bearing (25) is connected with swing arm active axle bed (24) by bearing, and profiling land axle bearing (25) is connected with profiling land wheel (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008202160819U CN201332589Y (en) | 2008-11-14 | 2008-11-14 | Swinging-arm transmission device of copy land wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008202160819U CN201332589Y (en) | 2008-11-14 | 2008-11-14 | Swinging-arm transmission device of copy land wheel |
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CN201332589Y true CN201332589Y (en) | 2009-10-28 |
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CNU2008202160819U Expired - Fee Related CN201332589Y (en) | 2008-11-14 | 2008-11-14 | Swinging-arm transmission device of copy land wheel |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103749059A (en) * | 2014-02-17 | 2014-04-30 | 安徽省淮丰现代农业装备有限公司 | Floating type land wheel bracket |
CN104653754A (en) * | 2015-03-21 | 2015-05-27 | 安徽省淮丰现代农业装备有限公司 | Land wheel driving mechanism |
CN107278478A (en) * | 2017-06-30 | 2017-10-24 | 山东省农业机械科学研究院 | Picker for tuber crops digs deep regulation device |
CN108834512A (en) * | 2018-08-16 | 2018-11-20 | 许昌职业技术学院 | A kind of transplanting depth self-checking device of transplanter |
CN111567200A (en) * | 2020-06-08 | 2020-08-25 | 农业农村部南京农业机械化研究所 | Driving device of seed or fertilizer discharging device |
-
2008
- 2008-11-14 CN CNU2008202160819U patent/CN201332589Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103749059A (en) * | 2014-02-17 | 2014-04-30 | 安徽省淮丰现代农业装备有限公司 | Floating type land wheel bracket |
CN104653754A (en) * | 2015-03-21 | 2015-05-27 | 安徽省淮丰现代农业装备有限公司 | Land wheel driving mechanism |
CN107278478A (en) * | 2017-06-30 | 2017-10-24 | 山东省农业机械科学研究院 | Picker for tuber crops digs deep regulation device |
CN108834512A (en) * | 2018-08-16 | 2018-11-20 | 许昌职业技术学院 | A kind of transplanting depth self-checking device of transplanter |
CN111567200A (en) * | 2020-06-08 | 2020-08-25 | 农业农村部南京农业机械化研究所 | Driving device of seed or fertilizer discharging device |
CN111567200B (en) * | 2020-06-08 | 2021-06-25 | 农业农村部南京农业机械化研究所 | Driving device of seed or fertilizer discharging device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20131114 |