CN201450768U - Seeding rate adjusting device for precision sowing machine - Google Patents
Seeding rate adjusting device for precision sowing machine Download PDFInfo
- Publication number
- CN201450768U CN201450768U CN2009201002206U CN200920100220U CN201450768U CN 201450768 U CN201450768 U CN 201450768U CN 2009201002206 U CN2009201002206 U CN 2009201002206U CN 200920100220 U CN200920100220 U CN 200920100220U CN 201450768 U CN201450768 U CN 201450768U
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- sprocket
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Abstract
A seeding rate adjusting device for a precision sowing machine belongs to agricultural machinery, and is characterized in that a transmission gear box is installed on a machine frame, a first driving chain is sleeved on a third wheel B and a power input chain wheel on a power input shaft of the gear box, and a second driving chain is sleeved on a power output chain wheel on a power output shaft of the gear box and a seed metering chain wheel of a seed metering device for connection. The device replaces conventional machines and tools which have a plurality of standby variable-speed control transmission chain wheels and chains, and has the characteristics of reasonable structure, convenient and fast variable-speed control, simple and reliable operation, few faults and long service life.
Description
Technical field
The utility model belongs to agricultural machinery, and the seeding quantity that relates generally on a kind of precision drilling facility is adjusted operating assembly.
Background technology
Because the difference of agronomic technique, crop varieties and crop seed of the same race, planting seed amount and spacing in the rows size all have difference.For satisfying above-mentioned requirements, precision sower all need carry out the feed shaft rotating speed adjustment of seeding unit, to adapt to the adjusting of different agricultural methods, Different Crop seeding quantity and spacing in the rows.At present, all adopt the structure that is equipped with a plurality of sprocket wheels on the precision drilling facility, the sprocket wheel on the general replacing feed shaft drive system changes the feed shaft rotating speed, realizes seeding quantity and spacing in the rows change in size.Obviously, the facility spare part is many, selection is inconvenient, the adjustment installation is loaded down with trivial details, operating efficiency is low, operation labour intensity is greatly its distinct issues.
Summary of the invention
The purpose of this utility model is exactly the problem that exists at above-mentioned prior art, and design provides a kind of precision drilling machine sowing amount adjusting apparatus of new construction, reaches conveniently to use, simplify the operation, improve the purpose of adjusting operating efficiency, reducing labour intensity.
Basic design of the present utility model is, precision drilling machine sowing amount adjusting apparatus comprise frame and be fitted on the frame cross wheel shaft, third wheel A, third wheel B, seeding unit, plough body covering device, land axle sprocket wheel, wheel assembly, power drive chain and seed manure case, mounting teeth wheel-speed regulating change box on frame, first driving chain is sleeved on the power input sprocket on the power input shaft of third wheel B and speed-changing gear box, connects; Second driving chain is sleeved on the seeding sprocket wheel of power output sprocket on the power take-off of speed-changing gear box and seeding unit, connects.
The utility model adopts and set up the gear graduation box structure in the seeding unit feed shaft power-driven system of precision sower, the a plurality of standby speed change that has substituted on traditional facility is regulated drive sprocket and chain, have rational in infrastructure, speed change easy to adjust quick, simple to operate, operation is reliable, fault is few, the characteristics of long service life.
Description of drawings
Fig. 1 is a precision drilling machine sowing amount adjusting apparatus general structure schematic diagram;
Fig. 2 is the speed-changing gear box structural representation.
Piece number explanation among the figure:
1, frame, 2, third wheel B, 3, cross wheel shaft, 4, third wheel A, 5, first driving chain, 6, speed-changing gear box, 7, seeding unit, 8, the plough body covering device, 9, the seeding sprocket wheel, 10, second driving chain, 11, power output sprocket, 12, power take-off, 13, the power input sprocket, 14, power input shaft, 15, the land axle sprocket wheel, 16, the ground wheel assembly, 17, the power drive chain, 18, the seed manure case, 19, casing, 20, first gear, 21, second gear, 22, the 3rd gear, 23, the 4th gear, 24, the 5th gear, 25, meshing gear, 26, tooth rest, 27, driving gear.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the utility model is described in detail. precision drilling machine sowing amount adjusting apparatus comprise frame 1 and be fitted on the frame 1 cross wheel shaft 3, third wheel A4, third wheel B2, seeding unit 7, plough body covering device 8, land axle sprocket wheel 15, wheel assembly 16, power drive chain 17 and seed manure case 18, mounting teeth wheel-speed regulating change box 6 on frame 1, first driving chain 5 is sleeved on the power input sprocket 13 on the power input shaft 14 of third wheel B2 and speed-changing gear box 6, connects; Second driving chain 10 is sleeved on the seeding sprocket wheel 9 of power output sprocket 11 and seeding unit 7 on the power take-off 12 of speed-changing gear box 6, connecting. the structure of speed-changing gear box 6 is: parallel equipped power input shaft 14 and power take-off 12 on casing 19, be positioned at power take-off 12 and install first gear 20, second gear 21, the 3rd gear 22, the 4th gear 23 and the 5th gear 24 on the position, casing 19 chamber successively, power output sprocket 11 is packed in power take-off 12 and is positioned on the axle head position of casing 19 outsides; Be positioned on the position, casing 19 chamber at power input shaft 14 and can be equipped with driving gear 27 with moving axially, the tooth rest 26 that meshing gear 25 is installed can be fitted on the power input shaft 14 with circumferentially rotating and move axially, meshing gear 25 often mesh with driving gear 27, meshing gear 25 respectively with first gear 20, second gear 21, the 3rd gear 22, the 4th gear 23, the 5th gear 24 meshes or separate; Power input sprocket 13 is packed in power input shaft 14 and is positioned on the position, a side outer end of casing 19.
During operation, precision sower is connected with supporting tractor, it forwards moves tractor-drawn, ground wheel assembly 16 rotary powers are passed to speed-changing gear box 6 through land axle sprocket wheel 15, power drive chain 17, third wheel A4, mistake wheel shaft 3, third wheel B2, first driving chain 5, power input sprocket 13, power input shaft 14 successively, the seeding sprocket wheel 9 that drives seeding unit 7 through power take-off 12, power output sprocket 11, second driving chain 10 rotates, and finishes the seeding operation.Driving gear 27 in the speed-changing gear box 6 moves axially on power input shaft 14 in the lump with tooth rest 26, tooth rest 26 moving power power shafts 14 circumferentially rotate simultaneously, make meshing gear 25 select respectively with power take-off 12 on the engagement of first to the 5th gear 20-24, realize the rotation speed change of power take-off 12, finish seeding quantity and spacing in the rows adjustment.When meshing gear 25 disengagings contact with the engagement of first to the 5th gear 20-24, drive power cut, seeding unit 7 stops seeding operation.
Claims (2)
1. precision drilling machine sowing amount adjusting apparatus, comprise frame (1) and be fitted on the frame (1) cross wheel shaft (3), third wheel A (4), third wheel B (2), seeding unit (7), plough body covering device (8), land axle sprocket wheel (15), wheel assembly (16), power drive chain (17) and seed manure case (18), it is characterized in that going up mounting teeth wheel-speed regulating change box (6) in frame (1), first driving chain (5) is sleeved on the power input sprocket (13) on the power input shaft (14) of third wheel B (2) and speed-changing gear box (6), connects; Second driving chain (10) is sleeved on the seeding sprocket wheel (9) of power output sprocket (11) and seeding unit (7) on the power take-off (12) of speed-changing gear box (6), connects.
2. precision drilling machine sowing amount adjusting apparatus according to claim 1, the structure that it is characterized in that speed-changing gear box (6) is: go up parallel equipped power input shaft (14) and power take-off (12) at casing (19), be positioned at power take-off (12) and install first gear (20), second gear (21), the 3rd gear (22), the 4th gear (23) and the 5th gear (24) on casing (19) position, chamber successively, power output sprocket (11) is packed in power take-off (12) and is positioned on the outside axle head position of casing (19); Be positioned on casing (19) position, chamber at power input shaft (14) and can be equipped with driving gear (27) with moving axially, the tooth rest (26) that meshing gear (25) are installed can be fitted on the power input shaft (14) with circumferentially rotating and move axially, meshing gear (25) meshes with first gear (20), second gear (21), the 3rd gear (22), the 4th gear (23), the 5th gear (24) respectively or separates with the normal engagement of driving gear (27), meshing gear (25); Power input sprocket (13) is packed in power input shaft (14) and is positioned on the position, a side outer end of casing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002206U CN201450768U (en) | 2009-06-23 | 2009-06-23 | Seeding rate adjusting device for precision sowing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201002206U CN201450768U (en) | 2009-06-23 | 2009-06-23 | Seeding rate adjusting device for precision sowing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201450768U true CN201450768U (en) | 2010-05-12 |
Family
ID=42378097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201002206U Expired - Fee Related CN201450768U (en) | 2009-06-23 | 2009-06-23 | Seeding rate adjusting device for precision sowing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201450768U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416135A (en) * | 2013-02-01 | 2013-12-04 | 华中农业大学 | Adjusting device for variables of seed-sowing machine combining seeding and fertilizing |
| CN109573473A (en) * | 2018-10-10 | 2019-04-05 | 武汉市农业科学院 | A kind of feed mechanism for seed bench test conveyer belt platform |
-
2009
- 2009-06-23 CN CN2009201002206U patent/CN201450768U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416135A (en) * | 2013-02-01 | 2013-12-04 | 华中农业大学 | Adjusting device for variables of seed-sowing machine combining seeding and fertilizing |
| CN109573473A (en) * | 2018-10-10 | 2019-04-05 | 武汉市农业科学院 | A kind of feed mechanism for seed bench test conveyer belt platform |
| CN109573473B (en) * | 2018-10-10 | 2024-04-02 | 武汉市农业科学院 | Seed metering ware bench test conveyer belt platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100512 Termination date: 20120623 |