CN210124083U - Novel hand-held multifunctional precision seeder - Google Patents
Novel hand-held multifunctional precision seeder Download PDFInfo
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- CN210124083U CN210124083U CN201920358922.8U CN201920358922U CN210124083U CN 210124083 U CN210124083 U CN 210124083U CN 201920358922 U CN201920358922 U CN 201920358922U CN 210124083 U CN210124083 U CN 210124083U
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Abstract
A novel hand-held multifunctional precision seeder belongs to a multifunctional precision seeder. The double tail wheel steering device of the seeder is arranged at the rear end of the frame assembly; the horizontal lifting device of the furrow opener is connected to the upper surface of the front part of the frame assembly; the furrow opener is quickly installed and the adjusting device is connected with a lifting square frame of the furrow opener horizontal lifting device; the furrow opener is connected with the furrow opener quick installation and adjustment device; the hydraulic device is arranged at the front end of the frame assembly; the seed sowing transmission device is arranged below the front part of the frame assembly; the front end of the frame assembly is connected with a hanging and pressing frame of the tractor, and the rear end of the frame assembly is connected with the double tail wheel steering device; the seed metering device is connected to the frame assembly through a lifting clamp lug of the horizontal lifting device of the furrow opener. The advantages are that: the walking type seeder improves the stability, the balance, the quick installation and the convenience in operation, further expands the application range of the walking tractor, and has practical significance for promoting agricultural production and increasing the income of farmers.
Description
Technical Field
The utility model relates to a multifunctional precision seeder, in particular to a novel hand-held multifunctional precision seeder.
Background
At present, the form of the seeder matched with the walking tractor mainly has an integral type, and the structural characteristics are as follows: 1. the seeder is rigidly connected with the walking tractor into a whole, and the walking tractor is driven by two front wheels and supported and steered by a rear tail wheel. 2. The furrow opener is rigidly connected to a single-hinged pull rod hinged with the frame of the seeder. 3. The connecting pull rod of the furrow opener adopts a U-shaped screw and is hinged with the connecting plate and the seeder frame into a whole.
The main disadvantages of this structure are:
first, the walking tractor is a three-wheel driving structure, and the rear tail wheel is arranged in the middle. When the tractor traveles, the back tailwheel rolls the roller press all the time at the seeder intermediate position, when the seeder intermediate position need sow a line seed, (for example soybean) but can not overweight roll extrusion kind of ditch, this structure just can't adapt to the requirement, on the other hand, because the seeder is by two front wheels of hand tractor and a rear wheel support operation, when the farmland seeding needs seeder left and right balance and stability, this tricycle bearing structure hardly reaches the balanced and stable requirement of operation.
Second, the seeder furrow opener is for seeder frame or land wheel height completion depth regulation and raising and lowering functions through single-twisted pull rod, and the main problems that it exists are: when the seed ditches produced by the front and the rear ditchers are required to be consistent in depth, the structure cannot meet the requirement.
Thirdly, the connecting pull rod of the furrow opener is connected with the frame of the seeder by adopting a U-shaped screw and a connecting plate, although the structure has the advantages of reliable connection and the like, the furrow opener has the defects of inconvenient installation, troublesome adjustment and the like during installation and adjustment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel multi-functional smart volume seeder of hand-held type solves the adaptability that current hand-held type seeder exists poor, the ditching depth differs, furrow opener installation effectiveness is low, the trouble problem of adjustment.
The purpose of the utility model is realized like this: the precision seeder includes: the device comprises a double-tail-wheel steering device, a furrow opener horizontal lifting device, a furrow opener rapid mounting and adjusting device, a hydraulic device, a seed discharging transmission device, a rack assembly and a furrow opener;
the double-tail-wheel steering device is arranged at the rear end of the frame assembly;
the horizontal lifting device of the furrow opener is connected to the upper surface of the front part of the frame assembly;
the furrow opener is quickly installed and the adjusting device is connected with a lifting square frame of the furrow opener horizontal lifting device;
the furrow opener is connected with the furrow opener quick installation and adjustment device;
the hydraulic device is arranged at the front end of the frame assembly;
the seed sowing transmission device is arranged below the front part of the frame assembly; power is obtained from a driving wheel of the tractor, and the power is transmitted to a seed sowing device of the seed sowing device;
the front end of the frame assembly is connected with a hanging and pressing frame of the tractor, and the rear end of the frame assembly is connected with the double tail wheel steering device;
the seed metering device is connected to the frame assembly through a lifting square frame of the horizontal lifting device of the furrow opener.
The twin rear wheels steering device includes: the steering gear comprises a steering gear shell, a steering gear, an active steering shaft, a pedal, a rocker arm pull rod, a left steering arm, a right steering arm, a tie rod, a rocker arm pull rod pin shaft, a left steering arm pin shaft, a tie rod pin shaft, a reset tension spring, a swing shaft clamping lug, a swing shaft, a tail wheel bracket, a left steering main pin, a right steering main pin, a left steering main pin pipe, a right steering main pin pipe, a tail wheel half shaft, a tension spring front connecting plate and a tension spring rear connecting plate; the steering gear is respectively connected with the active steering shaft and the steering shaft, the active steering shaft and the steering shaft are jointly arranged in the steering gear shell, the steering gear shell is arranged on the connecting plate, and the connecting plate is arranged on a rack of the rack assembly; the pedal is arranged on the active steering shaft; the rocker arm is arranged on the steering shaft; one end of the rocker arm pull rod is connected with the rocker arm through a rocker arm pull rod pin shaft, and the other end of the rocker arm pull rod is connected with the left steering arm through a left steering arm pin shaft; the tie rod is connected with the left steering arm and the right steering arm through a steering arm pin shaft; the reset tension spring is connected with a tension spring front connecting plate and a tension spring rear connecting plate, the tension spring front connecting plate is fixed on the pedal, and the tension spring rear connecting plate is connected with the seat support; the swing shaft clamping lug is connected with a frame of the frame assembly and is connected with the tail wheel bracket through a swing shaft; the left and right steering main pin guide pipes are respectively fixed at two ends of the tail wheel bracket, and the left and right steering arm main pins are respectively arranged in the left and right steering main pin guide pipes; the upper end of the left and right steering arm main pin is connected with a left steering arm, and the lower end of the left and right steering arm main pin is connected with a left tail wheel half shaft; the upper end of the left and right steering arm main pin is connected with the right steering arm, and the lower end of the left and right steering arm main pin is connected with the right tail wheel half shaft; the tail wheel is connected with a tail wheel half shaft.
The furrow opener horizontal lifting device comprises: the lifting device comprises a lifting square frame, an upper connecting plate, a lower connecting plate, a square frame supporting arm, a shaft sleeve, a square frame connecting plate pin shaft, a stop lever, a lifting clamping lug, a clamping lug pin shaft, a vertical frame, a vertical plate, a vertical frame connecting arm upper pin shaft, a vertical frame connecting arm lower pin shaft, a vertical rod, a lifting arm pin shaft, a lifting rod, a driving lifting arm pin shaft, a lifting bearing bush frame and a lifting shaft frame; the left side and the right side of the lifting square frame are connected with the square frame supporting arms, the shaft sleeve is arranged at the upper parts of the square frame supporting arms, and the square frame connecting plate pin shaft is arranged at the lower ends of the square frame supporting arms; the stop lever is connected to the middle position of the front part of the lifting square frame and can slide up and down in the vertical rod in the middle of the vertical frame, so that the lifting square frame is prevented from moving left and right to influence the operation quality when the machine works; the lifting clamping lugs are fixed at the rear part of the lifting square frame and are connected with the lifting rods through clamping lug pin shafts; the vertical frame is a square frame, and an upper pin shaft and a lower pin shaft of a connecting plate of the vertical frame are respectively fixed on vertical plates at two sides of the vertical frame; the upper connecting plate and the lower connecting plate are parts which correspond in groups and are arranged in parallel, and the upper connecting plate is respectively connected with a vertical frame connecting plate pin shaft and a shaft sleeve of the lifting square frame; the lower connecting plate is respectively connected with a vertical frame connecting plate pin shaft and a lifting square frame connecting plate pin shaft; the lifting arm is connected with the lifting shaft, the lifting shaft is arranged in the lifting shaft bush frame, and the lifting shaft bush frame is connected with the lifting shaft support; the lifting arm pin shaft is fixed on the lifting arm, and the upper end of the lifting rod is connected with the lifting arm pin shaft; the driving lifting arm is connected in the middle of the lifting shaft and is connected with the oil cylinder through a lifting arm pin shaft.
The quick installation of furrow opener and adjusting device include: the fastening screw and the furrow opener are connected with the square tube, the upper clamping lug plate, the lower clamping lug plate and the vertical clamping lug plate; the upper clamping lug plate, the lower clamping lug plate and the vertical clamping lug plate are fixed into a whole to form an open U-shaped clamping lug; an upper plate screw hole is processed on the upper plate of the clamping lug, a lower plate nut hole is processed on the lower plate of the clamping lug, and a fastening screw fastens the U-shaped clamping lug on the cross frame of the lifting square frame through the upper plate screw hole and the lower plate nut hole; the furrow opener connecting square tube is connected with the lug clamping vertical plate, and the furrow opener is arranged on a cross frame fastened on the lifting square frame; the furrow opener is connected with the square pipe by a furrow opener fastening screw in the square pipe.
The hydraulic device comprises: the oil pump, the oil tank, the distributor, the oil cylinder, the oil pipe, the oil pump bracket, the oil cylinder bracket, the oil pump working wheel, the distributor bracket and the oil cylinder pin shaft; the oil pump and the oil tank are respectively arranged on the oil pump bracket; one end of the oil cylinder is connected with the oil cylinder bracket through an oil cylinder pin shaft, and the other end of the oil cylinder is connected with the driving lifting arm through a driving lifting arm pin shaft; the oil cylinder bracket is fixed on a frame of the frame assembly; the working wheel of the oil pump is connected with a clutch wheel of the tractor through a transmission belt, and the clutch wheel is connected with a power wheel of the diesel engine through the transmission belt; the oil pipe connects the whole hydraulic device into a whole, the power of the diesel engine is transmitted to the working wheel of the oil pump through the clutch wheel, and the oil cylinder works through the oil pipe.
The seed metering device comprises: a seed sowing device bracket, a precision seed sowing device, a seed sowing wheel and a seed conveying pipe; the seed sowing device connecting plate is fixed with the furrow opener connecting square tube, the precision seed sowing device is connected with the seed sowing device support, the seed sowing working wheel is connected with the seed sowing shaft, and the seed conveying pipe is connected between the precision seed sowing device and the furrow opener.
The seed metering transmission device comprises: the seed sowing device comprises a driving wheel, a gap bridge I wheel, a gap bridge II wheel, a gap bridge III wheel, a seed sowing device, a separating claw, a seed sowing clutch wheel, a pull rod, a separating rod and a driving wheel shaft; the driving wheel is arranged on a driving wheel shaft of the tractor, the wheel I of the gap bridge is arranged on the shaft I of the gap bridge, and the shaft I of the gap bridge is arranged on a shaft bracket I of the gap bridge; the gap bridge II wheel is arranged on a pin shaft of a connecting plate of the vertical frame; the gap bridge III wheel is arranged on a seed sowing transmission shaft, and the seed sowing transmission shaft is arranged in a shaft sleeve; the working wheel of the seed sowing wheel is connected with a seed sowing shaft, the seed sowing shaft is connected with a precision seed sowing device, and the precision seed sowing device is fixed on a seed sowing device bracket; the separating claw is positioned at the seed sowing clutch wheel, the pull rod is connected with the separating claw and the separating rod, the separating rod is connected with the lifting shaft, the separating rod is synchronous with the lifting square frame in the swinging of the lifting shaft, and the seed sowing clutch is completed by the separating claw through the pull rod.
The frame assembly include: the device comprises a frame, a traction plate, a traction pin shaft, a riding support, a vertical frame and a lifting shaft support; the traction plate is connected with the front end of the frame and is connected with the tractor hanging frame through a traction pin shaft, the vertical frame is fixed at the front part of the frame, the seat support is fixed at the rear part of the tractor, and the seat is arranged on the seat support; the lifting shaft support is fixed in the middle of the frame; the connecting rod connects the frame with the tractor body.
The precision seeder has the beneficial effects that due to the adoption of the scheme, the brand new designs of the double-tail-wheel steering device, the horizontal lifting device of the furrow opener, the quick mounting and adjusting device of the furrow opener, the hydraulic device and the like are adopted, so that the precision seeder and the hand tractor are combined perfectly.
The double-tail-wheel steering process is characterized in that a driver operates a pedal by feet, acting force is transmitted to a rocker arm through a steering gear, an active steering shaft and a steering shaft to enable the rocker arm to swing left and right, the left and right swinging of the rocker arm enables a left tail wheel to steer through a rocker arm pull rod, a left steering arm, a left steering main pin and a left tail wheel half shaft, and the right tail wheel is steered through a cross pull rod, a right steering arm, a right steering main pin and a right tail wheel half shaft. In the steering process of the double-tail-wheel, the reset tension spring is connected with the pedal, the tension force of the tension spring always acts on the active steering shaft, the tail wheel is not easy to deflect when the tractor runs in a straight line under the action of the tension force, on the other hand, the reset tension spring also deflects along with the pedal when a driver operates the pedal to steer, after the tension spring turns, a reaction force always acts on the pedal, and after the tail wheel steers, the force enables the tail wheel to return to a straight-line running position rapidly. Therefore, the tension spring better ensures the straight running performance of the tractor, and simultaneously, the tail wheel is easier and more convenient to steer. In the process of running and steering the double tail wheels, when the wheels on one side of the tractor meet obstacles and are lifted, the tail wheel bracket can swing around the swing shaft, so that the vibration of the machine tool is reduced.
The driving lifting arm of the horizontal lifting device of the furrow opener drives the lifting shaft to swing in the working process of the oil cylinder, and the lifting arm fixed on the lifting shaft also swings up and down along with the driving lifting arm; under the combined action of the lifting arm, the upper connecting plate of the lifting rod and the lower connecting plate, the lifting square frame which is twisted together with the lifting arm and the upper connecting plate of the lifting rod is lifted or lowered, and the furrow opener and the seed sowing device which are fixed on the lifting square frame also complete the lifting function along with the lifting square frame.
When the working position of the furrow opener needs to be installed or adjusted, the operation can be finished only by fastening or loosening the fastening screw of the clamping lug, so that the furrow opener is convenient, quick, firm and reliable.
The hand-held seeder further improves the adaptability of the hand-held seeder and the stability, balance, quick and convenient installation in operation, further expands the application range of the hand tractor, and has realistic significance for promoting agricultural production and increasing the income of farmers.
The expression is as follows: firstly, a driver sits on a seat and operates a pedal by feet, so that the double-tail-wheel steering can be easily and reliably completed. And secondly, the furrow opener can conveniently and quickly ascend or descend in the horizontal direction by utilizing a hydraulic technology in the whole sowing operation process, so that the seed furrows are consistent in depth, and the sowing quality is better improved. And thirdly, as the quick adjustment device of the furrow opener is adopted, the furrow opener is convenient, quick, firm and reliable in the installation or adjustment process.
The problem of the adaptability that exists of current hand seeder poor, the ditching depth differs, furrow opener installation effectiveness is low, the adjustment is troublesome is solved, reached the utility model discloses a purpose.
The advantages are that:
the seeder adopts three innovative structures of double-layer wheel steering, horizontal lifting of the furrow opener and quick installation and adjustment of the furrow opener, is skillfully and perfectly integrated with the walking tractor, has unique structure and advanced technology, not only keeps the remarkable characteristic that the walking tractor is convenient to operate and flexible to use, but also enlarges the application range, and enables the seeder matched with the walking tractor to step on a new step.
Secondly, the hydraulic technology is successfully applied to the machine, the automation degree is high, and the operation is convenient and labor-saving.
And the tractor is connected with the walking tractor by adopting a traction plate, a traction pin and a connecting rod structure, and has the advantages of simple structure, firm connection and convenient assembly and disassembly.
Drawings
Fig. 1 is a structural view of the tractor combined state of the utility model.
Fig. 2 is a right side view of the lifting square frame structure of the present invention.
Fig. 3 is a top view of the lifting square frame structure of the present invention.
Fig. 4 is a top view of the lifting device of the present invention.
Fig. 5 is a left side view of the stand structure of the present invention.
Fig. 6 is a top view of the steering arm connecting structure of the present invention.
Fig. 7 is a right side view of the twin-tailwheel steering structure of the present invention.
Fig. 8 is a sectional view of the steering gear of the present invention.
Fig. 9 is a front view of the machine connecting structure of the present invention.
Fig. 10 is a top view of the machine connecting structure of the present invention.
Fig. 11 is a front view of the furrow opener assembly structure of the present invention.
Fig. 12 is a left side view of the furrow opener combined structure of the present invention.
FIG. 13 is a schematic view of the seed-metering transmission structure of the present invention.
In the figure: 1. a pin shaft is pulled; 2. hanging and connecting the frame; 3. a traction plate; 4. a frame; 5. a furrow opener; 6. a lower connecting plate; 8. A square frame support arm; 9. a lifting bar; 10. upper connection; 11. a gap bridge I shaft bracket; 12, a gap bridge wheel I; 13. a second wheel of the gap bridge; 14. a third wheel of the gap bridge; 15. a seed metering device support; 16. a precision seed metering device; 17. lifting the square frame; 18. an upper plate of the clamping lug; 19. a seed sowing working wheel; 20. a lifting shaft support; 21. a cylinder support; 22. an oil pump bracket; 23. an oil pump; 24. an oil pump working wheel; 25. a tractor clutch wheel; 26. a driving wheel; 27. a diesel engine wheel; 28. an oil pipe; 29. an oil tank; 30. a dispenser; 31. a pedal; 32. a tension spring front connecting plate; 33. a tension spring; 34. an active steering shaft; 35. a diverter housing; 36. a rocker arm pull rod; 37. a tie rod; 38. a steering shaft; 39. an oil cylinder; 40. a rocker arm; 41. a left steering arm pin shaft; 42. a tail wheel; 43. a tie rod pin shaft; 44. a left steering arm; 45. left and right steering arm kingpins; 46. swinging the clamping lugs; 47. a riding support; 48. a tension spring rear connecting plate; 49. riding; 50. erecting a frame; 51. a lifting arm; 52. an active lifting arm; 53. a dispenser support; 54. a tractor drive axle; 55. a shaft sleeve; 56. a square frame connecting plate pin shaft; 57. a seeding transmission shaft; 58. lifting the clamping lugs; 59. a clamping lug pin shaft; 60. a stop lever; 61. a lift arm pin; 62. a pull rod; 63. a separating lever; 64. a lifting bearing bush frame; 65. an active lifting arm pin shaft; 66. a vertical frame connecting plate pin shaft; 67. a vertical plate; 68. erecting a frame; 69. erecting a rod; 70. a lifting shaft; 71. a right steering arm; 72. a rocker arm pull rod pin shaft; 73. a double tail wheel bracket; 74. a swing shaft; 75. a tail wheel half shaft; 76. left and right steering kingpin conduits; 77. a steering gear; 78. a clamp lug fastening screw; 79. fastening a nut; 80. lifting the square frame beam; 81. the furrow opener is connected with the square pipe; 82. a screw is fastened by the furrow opener; 83. clamping an ear vertical plate; 84. a lower plate of the clamping lug; 85. a seed shaft; 86. a separation claw; 87. a gap bridge I shaft; 88. a seed-discharging clutch wheel; 89. the oil cylinder is connected with a pin shaft; 90. a diverter connecting plate; 91. a vertical plate; 92. a connecting rod.
Detailed Description
Example 1: the precision seeder includes: the device comprises a double-tail-wheel steering device, a furrow opener horizontal lifting device, a furrow opener rapid mounting and adjusting device, a hydraulic device, a seed discharging transmission device, a rack assembly and a furrow opener;
the double-tail-wheel steering device is arranged at the rear end of a frame 4 of the frame assembly;
the horizontal lifting device of the furrow opener is connected to the upper surface of the front part of the frame 4 of the frame assembly;
the furrow opener is quickly installed and the adjusting device is connected with a lifting square frame 17 of a furrow opener horizontal lifting device;
the furrow opener 5 is connected with the furrow opener quick installation and adjustment device;
the hydraulic device is arranged at the front end of a frame 4 of the frame assembly;
the seed sowing transmission device is arranged below the front part of the frame 4 of the frame assembly; obtaining power from a driving wheel 26 of the tractor and transmitting the power to a seed metering device 16 of the seed metering device;
the front end of the frame assembly is connected with a hanging and pressing frame 2 of the tractor, and the rear end of the frame assembly is connected with the double tail wheel steering device;
the seed metering device is connected to the frame assembly through a lifting square frame 17 of the horizontal lifting device of the furrow opener.
The twin rear wheels steering device includes: the steering gear box comprises a steering gear shell 35, a steering gear 77, an active steering shaft 34, a steering shaft 38, a pedal 31, a rocker arm 40, a rocker arm pull rod 36, a left steering arm 44, a right steering arm 71, a tie rod 37, a rocker arm pull rod pin shaft 72, a left steering arm pin shaft 41, a tie rod pin shaft 43, a reset tension spring 33, a rocker arm clamping lug 46, a rocker shaft 74, a tail wheel bracket 73, left and right steering main pins 45, left and right steering main pin guide pipes 76, a tail wheel 42, a tail wheel half shaft 75, a tension spring front connecting plate 32 and a tension spring rear connecting plate 48; the steering gear 77 is respectively connected with the active steering shaft 34 and the steering shaft 38, and the active steering shaft 34 and the steering shaft 38 are jointly arranged in the steering gear shell 35, the steering gear shell 35 is arranged on the connecting plate 90, and the connecting plate 90 is arranged on the frame 4 of the frame assembly; the pedal 31 is mounted on the active steering shaft 34; a rocker arm 40 is mounted on the steering shaft 38; one end of the rocker arm pull rod 36 is connected with the rocker arm 40 through a rocker arm pull rod pin shaft 72, and the other end is connected with the left steering arm 44 through a left steering arm pin shaft 41; the tie rod 37 is connected with the left steering arm 44 and the right steering arm 71 through the steering arm pin shaft 43; the reset tension spring 33 is connected with a tension spring front connecting plate 32 and a tension spring rear connecting plate 48, the tension spring front connecting plate 32 is fixed on the pedal 31, and the tension spring rear connecting plate 48 is connected with the seat support 47; the swing shaft clamping lug 46 is connected with a frame 4 of the frame assembly, and the swing shaft clamping lug 46 is connected with a tail wheel bracket 73 through a swing shaft 74; left and right steering master pin guide tubes 76 are respectively fixed at two ends of the tail wheel bracket 73, and left and right steering arm master pins 45 are respectively arranged in the left and right steering master pin guide tubes 76; the upper end of the left and right steering arm main pin 45 is connected with the left steering arm 44, and the lower end is connected with the left tail wheel half shaft 75; the upper end of the left and right steering arm kingpin 45 is connected with the right steering arm 71, and the lower end is connected with the right tail wheel half shaft 75; tailwheel 42 is connected to tailwheel axle 75.
The furrow opener horizontal lifting device comprises: the lifting device comprises a lifting square frame 17, an upper connecting plate 10, a lower connecting plate 6, a square frame supporting arm 8, a shaft sleeve 55, a square frame connecting plate pin shaft 56, a stop lever 60, a lifting clamping lug 58, a clamping lug pin shaft 59, a vertical frame 68, a vertical plate 67, a vertical frame connecting arm upper pin shaft 66, a vertical frame connecting arm lower pin shaft 67, a vertical rod 69, a lifting arm 51, a lifting arm pin shaft 61, a lifting rod 9, a driving lifting arm 52, a driving lifting arm pin shaft 65, a lifting shaft 70, a lifting shaft bush frame 64 and a lifting shaft frame 20; the left side and the right side of the lifting square frame 17 are connected with the square frame supporting arm 8, a shaft sleeve 55 is arranged at the upper part of the square frame supporting arm 8, and a square frame connecting plate pin shaft 56 is arranged at the lower end of the square frame supporting arm 8; the stop lever 60 is connected to the middle position of the front part of the lifting square frame 17, and the stop lever 60 can slide up and down in the upright rod 69 in the middle of the upright frame 68, so that the lifting square frame 17 is prevented from moving left and right to influence the operation quality when the machine works; the lifting clamp lug 58 is fixed at the rear part of the lifting square frame 17 and is connected with the lifting rod 9 through a clamp lug pin shaft 59; the vertical frame 68 is a square frame, and the upper pin 66 and the lower pin 67 of the vertical frame connecting plate are respectively fixed on the vertical plates 91 at the two sides of the vertical frame 68; the upper connecting plate 10 and the lower connecting plate 6 are correspondingly arranged in groups and are arranged in parallel, and the upper connecting plate 10 is respectively connected with the upright frame connecting plate pin shaft 66 and the shaft sleeve 55 of the lifting square frame 17; the lower connecting plate 6 is respectively connected with a vertical frame connecting plate pin shaft 66 and a lifting square frame connecting plate pin shaft 56; the lifting arm 51 is connected with a lifting shaft 70, the lifting shaft 70 is arranged in a lifting shaft bush bracket 64, and the lifting shaft bush bracket 64 is connected with the lifting shaft bracket 20; the lifting arm pin shaft 61 is fixed on the lifting arm 51, and the upper end of the lifting rod 9 is connected with the lifting arm pin shaft 61; the driving lifting arm 52 is connected to the middle of the lifting shaft 35 and is connected to the oil cylinder 39 through a lifting arm pin 61.
The quick installation of furrow opener and adjusting device include: the fastening screw 78, the furrow opener connecting square tube 81, the clamping lug upper plate 18, the clamping lug lower plate 84 and the clamping lug vertical plate 83;
the upper clamping lug plate 18, the lower clamping lug plate 84 and the vertical clamping lug plate 83 are fixed into a whole to form an open U-shaped clamping lug; an upper plate screw hole is processed on the upper clamping lug plate 18, a lower plate nut hole is processed on the lower clamping lug plate 84, and the U-shaped clamping lug is fastened on the cross frame 80 of the lifting square frame 17 through the upper plate screw hole and the lower plate nut hole by the fastening screw 78; the furrow opener connecting square pipe 81 is connected with the clamping lug vertical plate 83, and the furrow opener 5 is arranged on a cross frame 80 which is fastened on the lifting square frame 17; the furrow opener is connected with the square furrow opener connecting pipe 81, and the furrow opener 5 is connected with the square furrow opener connecting pipe 81 by a furrow opener fastening screw 82;
when the working position of the furrow opener 5 needs to be installed or adjusted, the operation can be finished only by fastening or loosening the clamping lug fastening screw 78, so that the operation is convenient, quick, firm and reliable.
The hydraulic device comprises: the oil pump 23, the oil tank 29, the distributor 30, the oil cylinder 39, the oil pipe 28, the oil pump bracket 22, the oil cylinder bracket 21, the oil pump working wheel 24, the distributor bracket 53 and the oil cylinder pin 89; the oil pump 23 and the oil tank 29 are respectively arranged on the oil pump bracket 22; one end of the oil cylinder 39 is connected with the oil cylinder bracket 21 through an oil cylinder pin shaft 89, and the other end is connected with the driving lifting arm 52 through a driving lifting arm pin shaft 65; the oil cylinder bracket 21 is fixed on the frame 4 of the frame assembly; the working wheel 24 of the oil pump 23 is connected with a clutch wheel 25 of the tractor through a transmission belt, and the clutch wheel 25 is connected with a power wheel 27 of the diesel engine through the transmission belt; the oil pipe 29 connects the whole hydraulic device into a whole, the power of the diesel engine is transmitted to the oil pump working wheel 24 through the clutch wheel 25, and the oil cylinder works through the oil pipe 29.
The seed metering device comprises: a seed sowing device bracket 15, a precision seed sowing device 16, a seed sowing wheel 19 and a seed conveying pipe 92; the seed-metering device connecting plate 15 is fixed with the furrow opener connecting square tube 81, the precision seed-metering device 16 is connected with the seed-metering device bracket 15, the seed-metering working wheel 19 is connected with the seed-metering shaft 85, and the seed-conveying tube 92 is connected between the precision seed-metering device 16 and the furrow opener 5.
The seed metering transmission device comprises: a driving wheel 26, a gap bridge I wheel 12, a gap bridge II wheel 13, a gap bridge III wheel 14, a seed metering wheel 19, a seed metering device 16, a separation claw 86, a seed metering clutch wheel 88, a pull rod 62, a separation rod 63 and a driving wheel shaft 54; the driving wheel 26 is arranged on a driving wheel shaft 54 of the tractor, the first wheel 12 of the gap bridge is arranged on a first shaft 87 of the gap bridge, and the first shaft 87 of the gap bridge is arranged on a first shaft bracket 11 of the gap bridge; the gap bridge II wheel 13 is arranged on a vertical frame connecting plate pin shaft 66; the gap bridge III wheel 14 is arranged on a seeding transmission shaft 57, and the seeding transmission shaft 57 is arranged in the shaft sleeve 55; the seed wheel working wheel 19 is connected with a seed shaft 85, the seed shaft 85 is connected with a precision seed metering device 16, and the precision seed metering device 16 is fixed on a seed metering device bracket 15; the separating claw 86 is positioned at the seed sowing clutch wheel 88, the pull rod 62 is connected with the separating claw 86 and the separating rod 63, the separating rod 63 is connected with the lifting shaft 70, the separating rod 63 is synchronous with the lifting square frame 17 in the swinging of the lifting shaft 70, and the seed sowing clutch is completed by the separating claw 86 through the pull rod 62.
The frame assembly include: the device comprises a frame 4, a traction plate 3, a traction pin shaft 1, a seat support 47, a vertical frame 50 and a lifting shaft support 20; the traction plate 3 is connected with the front end of the frame 4 and is connected with the tractor hanging frame 2 through a traction pin shaft 1, the vertical frame 50 is fixed at the front part of the frame 4, the seat support 47 is fixed at the rear part of the frame 4, and the seat 49 is arranged on the seat support 47; the lifting shaft support 20 is fixed at the middle position of the frame 4; a connecting rod 92 connects the frame 4 to the tractor body.
Claims (8)
1. A novel hand-held multifunctional precision seeder is characterized in that: the precision seeder includes: the device comprises a double-tail-wheel steering device, a furrow opener horizontal lifting device, a furrow opener rapid mounting and adjusting device, a hydraulic device, a seed discharging transmission device, a rack assembly and a furrow opener;
the double-tail-wheel steering device is arranged at the rear end of the frame assembly;
the horizontal lifting device of the furrow opener is connected to the upper surface of the front part of the frame assembly;
the furrow opener is quickly installed and the adjusting device is connected with a lifting square frame of the furrow opener horizontal lifting device;
the furrow opener is connected with the furrow opener quick installation and adjustment device;
the hydraulic device is arranged at the front end of the frame assembly;
the seed sowing transmission device is arranged below the front part of the frame assembly; power is obtained from a driving wheel of the tractor, and the power is transmitted to a seed sowing device of the seed sowing device;
the front end of the frame assembly is connected with a hanging and pressing frame of the tractor, and the rear end of the frame assembly is connected with the double tail wheel steering device;
the seed metering device is connected to the frame assembly through a lifting square frame of the horizontal lifting device of the furrow opener.
2. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the twin rear wheels steering device includes: the steering gear comprises a steering gear shell, a steering gear, an active steering shaft, a pedal, a rocker arm pull rod, a left steering arm, a right steering arm, a tie rod, a rocker arm pull rod pin shaft, a left steering arm pin shaft, a tie rod pin shaft, a reset tension spring, a swing shaft clamping lug, a swing shaft, a tail wheel bracket, a left steering main pin, a right steering main pin, a left steering main pin pipe, a right steering main pin pipe, a tail wheel half shaft, a tension spring front connecting plate and a tension spring rear connecting plate; the steering gear is respectively connected with the active steering shaft and the steering shaft, the active steering shaft and the steering shaft are jointly arranged in the steering gear shell, the steering gear shell is arranged on the connecting plate, and the connecting plate is arranged on a rack of the rack assembly; the pedal is arranged on the active steering shaft; the rocker arm is arranged on the steering shaft; one end of the rocker arm pull rod is connected with the rocker arm through a rocker arm pull rod pin shaft, and the other end of the rocker arm pull rod is connected with the left steering arm through a left steering arm pin shaft; the tie rod is connected with the left steering arm and the right steering arm through a steering arm pin shaft; the reset tension spring is connected with a tension spring front connecting plate and a tension spring rear connecting plate, the tension spring front connecting plate is fixed on the pedal, and the tension spring rear connecting plate is connected with the seat support; the swing shaft clamping lug is connected with a frame of the frame assembly and is connected with the tail wheel bracket through a swing shaft; the left and right steering main pin guide pipes are respectively fixed at two ends of the tail wheel bracket, and the left and right steering arm main pins are respectively arranged in the left and right steering main pin guide pipes; the upper end of the left and right steering arm main pin is connected with a left steering arm, and the lower end of the left and right steering arm main pin is connected with a left tail wheel half shaft; the upper end of the left and right steering arm main pin is connected with the right steering arm, and the lower end of the left and right steering arm main pin is connected with the right tail wheel half shaft; the tail wheel is connected with a tail wheel half shaft.
3. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the furrow opener horizontal lifting device comprises: the lifting device comprises a lifting square frame, an upper connecting plate, a lower connecting plate, a square frame supporting arm, a shaft sleeve, a square frame connecting plate pin shaft, a stop lever, a lifting clamping lug, a clamping lug pin shaft, a vertical frame, a vertical plate, a vertical frame connecting arm upper pin shaft, a vertical frame connecting arm lower pin shaft, a vertical rod, a lifting arm pin shaft, a lifting rod, a driving lifting arm pin shaft, a lifting bearing bush frame and a lifting shaft frame; the left side and the right side of the lifting square frame are connected with the square frame supporting arms, the shaft sleeve is arranged at the upper parts of the square frame supporting arms, and the square frame connecting plate pin shaft is arranged at the lower ends of the square frame supporting arms; the stop lever is connected to the middle position of the front part of the lifting square frame and can slide up and down in the vertical rod in the middle of the vertical frame, so that the lifting square frame is prevented from moving left and right to influence the operation quality when the machine works; the lifting clamping lugs are fixed at the rear part of the lifting square frame and are connected with the lifting rods through clamping lug pin shafts; the vertical frame is a square frame, and an upper pin shaft and a lower pin shaft of a connecting plate of the vertical frame are respectively fixed on vertical plates at two sides of the vertical frame; the upper connecting plate and the lower connecting plate are parts which correspond in groups and are arranged in parallel, and the upper connecting plate is respectively connected with a vertical frame connecting plate pin shaft and a shaft sleeve of the lifting square frame; the lower connecting plate is respectively connected with a vertical frame connecting plate pin shaft and a lifting square frame connecting plate pin shaft; the lifting arm is connected with the lifting shaft, the lifting shaft is arranged in the lifting shaft bush frame, and the lifting shaft bush frame is connected with the lifting shaft support; the lifting arm pin shaft is fixed on the lifting arm, and the upper end of the lifting rod is connected with the lifting arm pin shaft; the driving lifting arm is connected in the middle of the lifting shaft and is connected with the oil cylinder through a lifting arm pin shaft.
4. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the quick installation of furrow opener and adjusting device include: the fastening screw and the furrow opener are connected with the square tube, the upper clamping lug plate, the lower clamping lug plate and the vertical clamping lug plate; the upper clamping lug plate, the lower clamping lug plate and the vertical clamping lug plate are fixed into a whole to form an open U-shaped clamping lug; an upper plate screw hole is processed on the upper plate of the clamping lug, a lower plate nut hole is processed on the lower plate of the clamping lug, and a fastening screw fastens the U-shaped clamping lug on the cross frame of the lifting square frame through the upper plate screw hole and the lower plate nut hole; the furrow opener connecting square tube is connected with the lug clamping vertical plate, and the furrow opener is arranged on a cross frame fastened on the lifting square frame; the furrow opener is connected with the square pipe by a furrow opener fastening screw in the square pipe.
5. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the hydraulic device comprises: the oil pump, the oil tank, the distributor, the oil cylinder, the oil pipe, the oil pump bracket, the oil cylinder bracket, the oil pump working wheel, the distributor bracket and the oil cylinder pin shaft; the oil pump and the oil tank are respectively arranged on the oil pump bracket; one end of the oil cylinder is connected with the oil cylinder bracket through an oil cylinder pin shaft, and the other end of the oil cylinder is connected with the driving lifting arm through a driving lifting arm pin shaft; the oil cylinder bracket is fixed on a frame of the frame assembly; the working wheel of the oil pump is connected with a clutch wheel of the tractor through a transmission belt, and the clutch wheel is connected with a power wheel of the diesel engine through the transmission belt; the oil pipe connects the whole hydraulic device into a whole, the power of the diesel engine is transmitted to the working wheel of the oil pump through the clutch wheel, and the oil cylinder works through the oil pipe.
6. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the seed metering device comprises: a seed sowing device bracket, a precision seed sowing device, a seed sowing wheel and a seed conveying pipe; the seed sowing device connecting plate is fixed with the furrow opener connecting square tube, the precision seed sowing device is connected with the seed sowing device support, the seed sowing working wheel is connected with the seed sowing shaft, and the seed conveying pipe is connected between the precision seed sowing device and the furrow opener.
7. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the seed metering transmission device comprises: the seed sowing device comprises a driving wheel, a gap bridge I wheel, a gap bridge II wheel, a gap bridge III wheel, a seed sowing device, a separating claw, a seed sowing clutch wheel, a pull rod, a separating rod and a driving wheel shaft; the driving wheel is arranged on a driving wheel shaft of the tractor, the wheel I of the gap bridge is arranged on the shaft I of the gap bridge, and the shaft I of the gap bridge is arranged on a shaft bracket I of the gap bridge; the gap bridge II wheel is arranged on a pin shaft of a connecting plate of the vertical frame; the gap bridge III wheel is arranged on a seed sowing transmission shaft, and the seed sowing transmission shaft is arranged in a shaft sleeve; the working wheel of the seed sowing wheel is connected with a seed sowing shaft, the seed sowing shaft is connected with a precision seed sowing device, and the precision seed sowing device is fixed on a seed sowing device bracket; the separating claw is positioned at the seed sowing clutch wheel, the pull rod is connected with the separating claw and the separating rod, the separating rod is connected with the lifting shaft, the separating rod is synchronous with the lifting square frame in the swinging of the lifting shaft, and the seed sowing clutch is completed by the separating claw through the pull rod.
8. The novel hand-held multifunctional precision seeder according to claim 1, characterized in that: the frame assembly include: the device comprises a frame, a traction plate, a traction pin shaft, a riding support, a vertical frame and a lifting shaft support; the traction plate is connected with the front end of the frame and is connected with the tractor hanging frame through a traction pin shaft, the vertical frame is fixed at the front part of the frame, the seat support is fixed at the rear part of the tractor, and the seat is arranged on the seat support; the lifting shaft support is fixed in the middle of the frame; the connecting rod connects the frame with the tractor body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920358922.8U CN210124083U (en) | 2019-03-21 | 2019-03-21 | Novel hand-held multifunctional precision seeder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920358922.8U CN210124083U (en) | 2019-03-21 | 2019-03-21 | Novel hand-held multifunctional precision seeder |
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| CN210124083U true CN210124083U (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109863861A (en) * | 2019-03-21 | 2019-06-11 | 曹景文 | A kind of Novel hand held type formula multifunctional precision seeder |
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2019
- 2019-03-21 CN CN201920358922.8U patent/CN210124083U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109863861A (en) * | 2019-03-21 | 2019-06-11 | 曹景文 | A kind of Novel hand held type formula multifunctional precision seeder |
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