CN109573473B - Seed metering ware bench test conveyer belt platform - Google Patents
Seed metering ware bench test conveyer belt platform Download PDFInfo
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- CN109573473B CN109573473B CN201811179033.1A CN201811179033A CN109573473B CN 109573473 B CN109573473 B CN 109573473B CN 201811179033 A CN201811179033 A CN 201811179033A CN 109573473 B CN109573473 B CN 109573473B
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- conveyor belt
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- chain wheel
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 87
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 238000009331 sowing Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 241000283973 Oryctolagus cuniculus Species 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 10
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010899 nucleation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000009418 agronomic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000014121 butter Nutrition 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/10—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors movable, or having interchangeable or relatively movable parts; Devices for moving framework or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
- B65G23/30—Variable-speed gearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sowing (AREA)
Abstract
The invention discloses a seed metering device bench test conveyor belt platform, wherein an upper bracket is fixedly arranged at the rear end of the upper part of a conveyor belt through a corner fitting group; the lower bracket is fixedly arranged at the lower part of the conveyor belt through the corner fitting group; the motor support is fixedly arranged at the rear end of the lower part of the conveyor belt through a bolt group; the motor is fixed on the motor support through a bolt group; the seed collecting device is fixedly arranged at the front end of the lower part of the conveyor belt through a bolt group; the control box is fixedly arranged at the rear end of the upper bracket through a bolt group; the invention adopts modularized design, has simple structure, convenient adjustment and reliable work; the adjustable range of the belt transmission speed and the rotation speed transmission ratio of the seed metering disc of the seed metering device is large, no oil scale and environmental pollution exist, seeds can be recovered and recycled, the surface of the conveyor belt is plush cloth, so that the seeds can be gently dropped on the surface, and the distance between adjacent seeds is measured without bouncing and damage; the whole machine can implement accurate test operation of the seed metering function of the seed metering device, simulate field operation of the seeder, and improve the qualification rate of seed grain distance.
Description
Technical Field
The invention relates to the technical field of seeding equipment in agricultural machinery, in particular to a bench test conveyor belt platform of a seed metering device.
Background
The seed metering device is a core component of the seed sowing machine, and the accurate detection of the relevant technical parameters of the seed metering device is the key for checking the working performance of the seed metering device, determining the optimal working parameters and developing the precise seed metering device. The seed metering device test bed is key test equipment for detecting the performance of the seed metering device, and is convenient for technical analysis by simulating the field working condition of the seed metering device in a test room and saving and displaying the seed metering effect by technical means. In order to improve the test efficiency, almost all scientific research institutions related to the research of the seeding machine adopt bench tests to test the working performance of the seeding machine, namely a testing bench of the seeding machine.
At present, the seed metering ware test bench mainly has following points to improve: 1. the butter tape method is adopted, namely butter is smeared on a conveyor belt, and the adhesion force of the butter is utilized to prevent the seeds from bouncing. The method has the defects of seed waste, environmental pollution, difficult recognition of oil surface reflection and the like; 2. the seed metering device test bed is generally fixed in a large-scale embedded installation mode in a test room, cannot move and is not beneficial to the display and adjustment of the functions of the seed metering device; 3. most test tables are not provided with a speed change system, so that the seed metering distance of the seed metering device cannot be adjusted, a comparison test cannot be performed, and sufficient data cannot be obtained.
Disclosure of Invention
The invention aims to overcome the defects and provide a test conveyor belt platform for a seed metering device bench. Is suitable for research tests of various seed metering devices, and implements accurate test operation of the seed metering function of the seed metering devices.
In order to achieve the above purpose, the following technical scheme is adopted:
the utility model provides a seed metering ware bench test conveyer belt platform, includes upper bracket, seed metering system, transmission system, conveyer belt, lower carriage and seed collecting device, its characterized in that:
the upper bracket is fixedly arranged at the rear end of the upper part of the conveyor belt through a corner fitting group;
the lower bracket is fixedly arranged at the lower part of the conveyor belt through the corner fitting group;
the motor support is fixedly arranged at the rear end of the lower part of the conveyor belt through a bolt group; the motor is fixed on the motor support through a bolt group;
the seed collecting device is fixedly arranged at the front end of the lower part of the conveyor belt through a bolt group;
the control box is fixedly arranged at the rear end of the upper bracket through a bolt group;
the upper bracket is provided with a seed discharging system and a transmission system.
The seed metering system comprises a fan, a seed metering device clamping seat and a seed metering device;
the fan is fixedly arranged at the upper part of the upper bracket through a bolt group; the main pipe orifice of the tee joint is communicated with the air outlet of the fan through a clamp;
one end of each of the two hoses is respectively connected with two branch pipe ports of the tee joint through a clamp, and the other end of each of the two hoses is respectively connected with air inlets of two groups of seed metering devices through the clamp;
the two groups of seed metering devices are symmetrically arranged and fixed on two seed metering device clamping seats respectively through bolt groups, and the two seed metering device clamping seats are symmetrically arranged and fixed in the middle of the upper bracket respectively through the bolt groups;
two ends of a seed metering device chain wheel shaft are respectively connected with the input shafts of two groups of seed metering devices through two seed metering device couplings in a transmission way, and seed metering device chain wheels in a transmission system are arranged in the middle of the seed metering device couplings through jackscrews.
The transmission system comprises a seed sowing device chain wheel, a belt vertical seat bearing, a seed sowing device chain, a transmission chain wheel shaft, a transmission driving chain wheel, a transmission coupling, a transmission driven chain wheel, a transmission chain, a conveyor belt driven chain wheel and a double-row chain wheel;
the bearing support plate is fixedly arranged at the front end of the upper bracket through a bolt group;
two bearings with vertical seats are arranged and fixed on a bearing supporting plate through a bolt group; two ends of a transmission chain wheel shaft are arranged on two vertical seat bearings through jackscrews, a transmission driving chain wheel is arranged on the transmission chain wheel shaft through jackscrews, and a seed metering device chain wheel and the transmission driving chain wheel are driven through a seed metering device chain;
the transmission is fixedly arranged at the front end of the upper bracket through a bolt group; the output shaft of the speed changer is connected with the transmission chain wheel shaft in a transmission way through a speed changer coupler, and the input shaft is connected with the driven chain wheel of the speed changer in a transmission way;
the outer end chain wheel of the double-row chain wheel and the driven chain wheel of the speed changer are driven by the speed changer chain, and the inner end chain wheel and the driven chain wheel of the conveying belt are driven by the chain of the conveying belt;
the double row chain wheel is installed on the motor output shaft through jackscrews.
The conveyor belt comprises a conveyor belt section bar, a positioning block, an adjusting screw, a bearing with a diamond-shaped seat, a roller, an industrial belt and a supporting plate;
the four diamond-shaped seat bearings are symmetrically arranged at two sides of two ends of the two conveyor belt profiles respectively through bolt groups;
the two supporting plates are symmetrically arranged on the inner sides of the middle parts of the two conveyor belt profiles through bolt groups;
the two positioning blocks are symmetrically arranged at the outer side of the front end of the conveyor belt profile respectively through bolt groups, and the two adjusting screws are connected to the two positioning blocks through threads;
two rollers are arranged at two ends of the inner side of the conveyor belt profile through four diamond-shaped seat bearings, the two rollers are driven by an industrial belt, and an input shaft of the rear end roller is in driving connection with a driven chain wheel of the conveyor belt through a jackscrew.
The lower bracket comprises a section bar and a roller;
the four rollers are symmetrically arranged at two ends of the lower part of the lower bracket respectively through bolt groups.
The seed collecting device comprises a seed collecting funnel;
the baffle plate is arranged at the inner side of the seed collection funnel through a bolt group, and the upper and lower positions of the baffle plate are movably adjustable;
the plug is arranged at the lower part of the seed hopper through threaded connection.
The motor adopts an alternating current speed regulation motor, the speed reduction ratio model is 3GN-15K, the rotating speed is 90 revolutions per minute, and the maximum allowable torque is 14.8 N.m.
The fan power is 400W, the voltage is 12V, the rotating speed is 15000 rpm, the maximum negative pressure is-12 kPa, the wind speed is 31m/s, and the current is 35A.
The outer side of the industrial belt is stuck with plush cloth, and the plush cloth and the industrial belt synchronously move;
the plush cloth is a rabbit fur imitated plush cloth; the color of the cloth is white;
the conveyor belt profile is 4080 aluminum profile.
The working principle of the invention is as follows: according to the sowing plant spacing of seeds in the agronomic requirements, the gear of the speed changer is adjusted, seeds are filled into the seed sowing device, the motor is started, the rotating speed is adjusted, and the fan is started. The double-row chain wheels are driven by the output shaft of the motor to rotate, and the rollers at the rear end of the conveyor belt are driven by the chain of the conveyor belt to rotate, so that plush cloth is driven to periodically move. Meanwhile, the transmission chain drives the transmission input shaft to rotate, the input shaft drives the output shaft to rotate through gear transmission, and the seed metering disc of the seed metering device is finally driven to rotate through the transmission coupler, the transmission sprocket shaft, the transmission driving sprocket, the seed metering device chain, the seed metering device sprocket shaft and the seed metering device coupler. In the process, negative air pressure generated by a fan is used as seeds through a tee joint, a hose and an air inlet of a seed metering device, and finally, the seeds are matched with a seed metering disc hole of the seed metering device, the seed suction, carrying and seed metering processes are completed, the seeds are delivered to plush cloth through a seed metering device seed metering port, the distance between adjacent seeds falling on the plush cloth is determined by the included angle between the adjacent holes of the seed metering disc of the seed metering device and the connecting line between the middle points of the seed metering disc and the transmission gear of the transmission, and the seeds can be selected according to the agronomic requirements of various seeds.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts a flexible seed discharging design to replace a belt surface oil brushing method, viscous oil is not needed to fix fallen seeds, no oil scale can pollute the environment, the seeds can be recycled and reused, and the cleaning work after the test is avoided. The surface of the conveyor belt is adhered with thickened rabbit Mao Picao plush cloth, so that seeds can gently fall on the surface without bouncing or damage, and the distance between adjacent seeds can be measured. The color of the cloth is white, so that the observation chromatic aberration is increased, the seed position can be rapidly distinguished, and the measurement efficiency is improved.
2. The invention adopts the movable design of the rack, and utilizes the nylon roller to replace the rack to directly contact the ground, and the roller is provided with the brake device, so that the floor is not damaged, and the movement and the transportation are convenient. The stability of the whole machine meets the stable requirement of the seeding test operation.
3. The invention designs a 36-gear variable speed transmission system to replace a transmission mechanism with a general non-variable speed effect, the adjustable range of the belt transmission speed and the rotation speed transmission ratio of the seed metering disc of the seed metering device is large, seeds can fall on the surface of the platform according to different transmission ratios at corresponding plant distances, and the invention is applicable to the agronomic requirements of different seeds for matching different plant distances.
4. The invention adopts the design of passive seed metering of the seed metering device, simulates the field sowing operation of a tractor hanging seeder, and the movement of a conveying belt, namely sowing, is equivalent to the walking, namely sowing, of the seeder, improves the qualification rate of seed spacing, and is convenient for the qualification, missing sowing and rebroadcasting detection of seeds.
5. The invention adopts modularized design, the modules are connected by adopting the bolt group or the corner fitting group, and the frame is made of aluminum profile, so that the invention has the advantages of simple structure, attractive appearance, rust prevention, and convenient adjustment, installation and disassembly. The device is suitable for detection, teaching, platform display and the like of the research design of the seed metering device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the upper rack of FIG. 1;
FIG. 3 is a schematic diagram of the seed metering system of FIG. 1;
FIG. 4 is a schematic diagram of the transmission system of FIG. 1;
FIG. 5 is a schematic view of the conveyor belt of FIG. 1;
FIG. 6 is a cross-sectional view of a conveyor belt;
FIG. 7 is a schematic view of the lower bracket of FIG. 1;
fig. 8 is a schematic structural diagram of the seed collecting device in fig. 1.
Wherein: 1-upper rack, 3-seed metering system, 4-motor support, 5-motor, 6-drive system, 7-conveyor belt, 8-lower rack, 9-seed collection device, 11-section bar, 12-handle, 13-angle set, 31-fan, 32-hose, 33 seed metering device cartridge, 34-tee, 35 seed metering device, 36-seed metering device coupling, 37 seed metering device sprocket shaft, 61-bearing support plate, 62-seed metering device sprocket, 63-belt vertical seat bearing, 64-seed metering device chain, 65-drive sprocket shaft, 66-transmission drive sprocket, 67-transmission coupling, 68-conveyor belt, 69-conveyor driven sprocket, 610-conveyor chain, 611-conveyor belt chain, 612-conveyor driven sprocket, 613-double row sprocket, 71-conveyor section bar, 72-lint cloth, 73-positioning block, 74-adjusting screw, 75-belt seat bearing, 76-roller, 77-industrial belt, 78-pallet, 81-roller, 91-seed collection hopper, 92-stop, 93-plug.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings:
examples: the invention relates to a bench test conveyor belt platform of a seed metering device, which comprises an upper bracket 1, a control box 2, a seed metering system 3, a motor support 4, a motor 5, a transmission system 6, a conveyor belt 7, a lower bracket 8 and a seed collecting device 9, wherein the upper bracket 1 is fixedly arranged at the rear end of the upper part of the conveyor belt 7 through a corner fitting group 13, and the tensioning degree of a transmission chain 610 can be adjusted according to the front and rear positions of the upper bracket on the conveyor belt 7; the control box 2 is fixedly arranged at the rear end of the upper bracket 1 through a bolt group, and the connecting lines from the inside to each actuating mechanism can be arranged from the grooves in the section bar 11, so that the whole machine achieves an attractive effect; the fan 31 in the seed sowing system 3 is fixedly arranged at the upper part of the upper bracket 1 through a bolt group, the two seed sowing device clamping seats 33 in the seed sowing system 3 are fixedly arranged at the middle part of the upper bracket 1 through a bolt group, and the seed sowing row spacing can be adjusted and determined according to the distance between the two seed sowing device clamping seats 33; the motor 5 is fixedly arranged on the motor support 4 through a bolt set, the motor support 4 is fixedly arranged at the rear end of the lower part of the conveyor belt 7 through the bolt set, and the tensioning degree of the conveyor belt chain 611 can be adjusted according to the front and rear positions of the motor on the conveyor belt 7; the transmission 68 and the bearing support plate 61 in the transmission system 6 are mounted and fixed at the front end of the upper bracket 1 through a bolt group; the lower bracket 8 is fixedly arranged at the lower part of the conveyor belt 7 through the corner fitting group 13, and the supporting center can be adjusted according to the front and rear positions of the conveyor belt 7, so that the mass of the whole machine is uniformly distributed on each roller 81; the seed collecting device 9 is fixedly arranged at the front end of the lower part of the conveyor belt 7 through a bolt group, and has the function of ensuring that seeds fall into the seed collecting device completely, thereby being beneficial to the recycling of the concentrated seeds.
The upper bracket 1 comprises a section bar 11, a handle 12 and a corner fitting group 13; the profile 11 is a 4040 aluminum profile, two adjacent and contacted profiles 11 are fixed together through the installation corner fitting group 13, and the adjustment is convenient; the handle 12 is fixed at the rear end of the upper bracket 1 through a bolt group so as to facilitate the movement of the whole machine.
The seed metering system 3 comprises a fan 31, a hose 32, a seed metering device clamping seat 33, a tee joint 34, a seed metering device 35, a seed metering device coupling 36 and a seed metering device chain wheel shaft 37; the fan 31 is arranged and communicated with a main pipe orifice of the tee joint 34 through a clamp, the power of the fan is 400W, the voltage is 12V, the rotating speed is 15000 r/min, the maximum negative pressure is-12 kPa, the wind speed is 31m/s, and the current is 35A; one end of each of the two hoses 32 is respectively connected with two branch pipe ports of the tee joint 34 through a clamp, the other end of each of the two hoses 32 is respectively connected with air inlets of two groups of seed metering devices 35 through a clamp, and the bending degree of each hose can be adjusted according to the front and rear positions of the fan 31 on the upper bracket 1; the two groups of seed metering devices 35 are symmetrically arranged and fixed on the two seed metering device clamping seats 33 through bolt groups respectively, and the two seed metering device clamping seats 33 are symmetrically arranged and fixed in the middle of the upper bracket 1 through bolt groups respectively; two ends of the seed metering device chain wheel shaft 37 are respectively connected with the input shafts of the two groups of seed metering devices 35 in a transmission way through two seed metering device couplings 36, a seed metering device chain wheel 62 in a transmission system 6 is arranged in the middle of the seed metering device coupling 36 through jackscrews, and the axial position of the seed metering device chain wheel 62 is adjustable.
The motor 5 adopts an alternating current speed regulation motor, the speed reduction ratio model is 3GN-15K, the rotating speed is 90 revolutions per minute, the maximum allowable torque is 14.8N.m, and the double-row chain wheel 613 in the transmission system 6 is arranged on the output shaft of the motor 5 through a jackscrew.
The transmission system 6 comprises a bearing support plate 61, a seed metering device chain wheel 62, a belt vertical type seat bearing 63, a seed metering device chain 64, a transmission chain wheel shaft 65, a transmission driving chain wheel 66, a transmission coupling 67, a transmission 68, a transmission driven chain wheel 69, a transmission chain 610, a conveyor belt chain 611, a conveyor belt driven chain wheel 612 and a double-row chain wheel 613; the bearing support plate 61 is fixedly arranged at the front end of the upper bracket 1 through a bolt group, and two vertical seat bearing 63 are fixedly arranged on the bearing support plate 61 through a bolt group; two ends of the transmission chain wheel shaft 65 are arranged on two vertical seat bearings 63 through jackscrews, a transmission driving chain wheel 66 is arranged on the transmission chain wheel shaft 65 through jackscrews, and a seed metering device chain wheel 62 and the transmission driving chain wheel 66 are driven through a seed metering device chain 64; the output shaft is connected with a transmission chain wheel shaft 65 in a transmission way through a transmission coupling 67, and the input shaft is connected with a transmission driven chain wheel 69 in a transmission way; the outer end sprocket of the double row sprocket 613 and the transmission driven sprocket 69 are driven by a transmission chain 610, and the inner end sprocket and the belt driven sprocket 612 are driven by a belt chain 611.
The conveyor belt 7 comprises a conveyor belt profile 71, plush cloth 72, a positioning block 73, an adjusting screw 74, a diamond-shaped seat bearing 75, rollers 76, an industrial belt 77 and a supporting plate 78; the conveyor belt section bars 71 are 4080 aluminum section bars, wherein four diamond-shaped seat bearings 75 are symmetrically arranged at two sides of two ends of the two conveyor belt section bars 71 respectively through bolt groups, and two supporting plates 78 are symmetrically arranged at the inner sides of the middle parts of the two conveyor belt section bars 71 through bolt groups, and the function of the supporting plates is to support the industrial belt 77 so that seeds can be stably conveyed; the two positioning blocks 73 are symmetrically arranged at the outer side of the front end of the conveyor belt profile 71 through bolt groups respectively, two adjusting screws 74 are connected to the two positioning blocks 73 through threads, and the tensioning degree of the industrial belt 77 is adjusted according to the adjusting screws 74; the two rollers 76 are arranged at two ends of the inner side of the conveyor belt section 71 through four diamond-shaped seat bearings 75, the two rollers 76 are driven through an industrial belt 77, and the input shaft of the rear end roller 76 is in driving connection with a conveyor belt driven sprocket 612 through a jackscrew; the fleece 72 is adhered to the outside of the industrial belt 77 and moves in synchronization with the industrial belt 77.
The lower bracket 8 comprises a section bar 11, a roller 81 and a corner piece group 13; the four rollers 81 are symmetrically arranged at two ends of the lower part of the lower bracket 8 respectively through bolt groups, and the rollers 81 can be self-locked for braking, so that the whole machine can be conveniently switched between moving and positioning.
The seed collecting device 91 comprises a seed collecting funnel 91, a baffle 92 and a plug 93, and is arranged at the front end of the lower part of the conveyor belt 7 through a bolt group; the baffle 92 is arranged on the inner side of the seed hopper 91 through a bolt group, and the upper and lower positions of the baffle are adjustable; the plug 93 is installed at the lower part of the seed hopper 91 through threaded connection, and can be detached to facilitate seed bagging.
The working concrete implementation effect of the invention is as follows: the bench test conveyor belt platform for the seed metering device implements accurate test operation of the seed metering function of the seed metering device. The flexible seed discharging design is adopted to replace a belt surface oil brushing method, viscous oil is not needed to fix fallen seeds, no oil scale can pollute the environment, the seeds can be recycled, and cleaning work after a test is omitted. The surface of the conveyor belt is adhered with thickened rabbit Mao Picao plush cloth, so that seeds can gently fall on the surface without bouncing or damage, and the distance between adjacent seeds can be measured. The 36-gear variable speed transmission system is designed to replace a transmission mechanism with a general non-variable speed effect, the adjustable range of the belt transmission speed and the rotation speed transmission ratio of the seed metering disc of the seed metering device is large, seeds can fall on the surface of the platform according to different transmission ratios at corresponding plant distances, and the speed variable speed transmission system is suitable for agricultural requirements of different seeds for matching different plant distances. By adopting the design of passive seed metering of the seed metering device, the field sowing operation of the tractor hanging seeder is simulated, the seeder walks to sow, the rebroadcast rate of the seed metering device is reduced, and the seed spacing qualification rate is improved. The modular design is adopted, the modules are connected by adopting the bolt group or the corner fitting group, the structure is simple, the adjustment, the installation and the disassembly are convenient, and the work is reliable.
The above embodiments are only for illustrating the technical solution of the present invention, but not for limiting, and modifications and equivalent substitutions are possible without departing from the spirit and scope of the technical solution of the present invention, and are intended to be covered in the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a seed metering ware bench test conveyer belt platform, includes upper bracket (1), seed metering system (3), transmission system (6), conveyer belt (7), lower carriage (8) and seed collecting device (9), its characterized in that:
the upper bracket (1) is fixedly arranged at the rear end of the upper part of the conveyor belt (7) through a corner fitting group (13);
the lower bracket (8) is fixedly arranged at the lower part of the conveyor belt (7) through the corner fitting group (13);
the motor support (4) is fixedly arranged at the rear end of the lower part of the conveyor belt (7) through a bolt group; the motor (5) is fixedly arranged on the motor support (4) through a bolt group;
the seed collecting device (9) is fixed at the front end of the lower part of the conveyor belt (7) through a bolt group;
the control box (2) is fixedly arranged at the rear end of the upper bracket (1) through a bolt group;
the upper bracket (1) is provided with a seed metering system (3) and a transmission system (6);
the seed sowing system (3) comprises a fan (31), a seed sowing device clamping seat (33) and a seed sowing device (35);
the fan (31) is fixedly arranged at the upper part of the upper bracket (1) through a bolt group; the main pipe port of the tee joint (34) is communicated with the air outlet of the fan (31) through a clamp;
one end of each of the two hoses (32) is respectively connected with two branch pipe ports of the tee joint (34) through clamp installation, and the other end of each of the two hoses (32) is respectively connected with air inlets of two groups of seed metering devices (35) through clamp installation;
the two groups of seed metering devices (35) are symmetrically arranged and fixed on the two seed metering device clamping seats (33) through bolt groups respectively, and the two seed metering device clamping seats (33) are symmetrically arranged and fixed in the middle of the upper bracket (1) through bolt groups respectively;
two ends of a seed metering device chain wheel shaft (37) are respectively connected with input shafts of two groups of seed metering devices (35) in a transmission way through two seed metering device couplings (36), and seed metering device chain wheels (62) in a transmission system (6) are arranged in the middle of the seed metering device couplings (36) through jackscrews;
the transmission system (6) comprises a seed metering device chain wheel (62), a belt vertical type seat bearing (63), a seed metering device chain (64), a transmission chain wheel shaft (65), a transmission driving chain wheel (66), a transmission coupling (67), a transmission (68), a transmission driven chain wheel (69), a transmission chain (610), a conveyor belt chain (611), a conveyor belt driven chain wheel (612) and a double-row chain wheel (613);
the bearing supporting plate (61) is fixedly arranged at the front end of the upper bracket (1) through a bolt group;
two vertical seat bearings (63) are installed and fixed on a bearing supporting plate (61) through a bolt group; two ends of a transmission chain wheel shaft (65) are arranged on two vertical seat bearings (63) through jackscrews, a transmission driving chain wheel (66) is arranged on the transmission chain wheel shaft (65) through jackscrews, and a seed metering device chain wheel (62) and the transmission driving chain wheel (66) are driven through a seed metering device chain (64);
the speed changer (68) is fixedly arranged at the front end of the upper bracket (1) through a bolt group; an output shaft of the speed changer (68) is in transmission connection with a transmission chain wheel shaft (65) through a speed changer coupler (67), and an input shaft is in transmission connection with a speed changer driven chain wheel (69);
the outer end sprocket of the double-row sprocket (613) and the transmission driven sprocket (69) are driven by a transmission chain (610), and the inner end sprocket and the transmission driven sprocket (612) are driven by a transmission chain (611);
the double-row chain wheel (613) is arranged on the output shaft of the motor (5) through a jackscrew.
2. The seed meter bench test conveyor platform of claim 1, wherein:
the conveyor belt (7) comprises a conveyor belt section bar (71), a positioning block (73), an adjusting screw (74), a bearing with a diamond-shaped seat (75), a roller (76), an industrial belt (77) and a supporting plate (78);
four diamond-shaped seat bearings (75) are symmetrically arranged at two sides of two ends of two conveyor belt sectional materials (71) through bolt groups respectively;
the two supporting plates (78) are symmetrically arranged on the inner sides of the middle parts of the two conveyor belt profiles (71) through bolt groups;
the two positioning blocks (73) are symmetrically arranged at the outer side of the front end of the conveyor belt profile (71) through bolt groups respectively, and the two adjusting screws (74) are connected to the two positioning blocks (73) through threads;
two rollers (76) are arranged at two ends of the inner side of the conveyor belt profile (71) through four diamond-shaped seat bearings (75), the two rollers (76) are driven through an industrial belt (77), and an input shaft of the rear end roller (76) is in driving connection with a conveyor belt driven sprocket (612) through a jackscrew.
3. The seed meter bench test conveyor platform of claim 1, wherein:
the lower bracket (8) comprises a section bar (11) and a roller (81);
the four rollers (81) are symmetrically arranged at two ends of the lower part of the lower bracket (8) through bolt groups respectively.
4. The seed meter bench test conveyor platform of claim 1, wherein:
the seed collecting device (9) comprises a seed collecting funnel (91);
the baffle plate (92) is arranged at the inner side of the seed collecting hopper (91) through a bolt group, and the upper and lower positions of the baffle plate are movably adjustable;
the plug (93) is arranged at the lower part of the seed hopper (91) through threaded connection.
5. The seed meter bench test conveyor platform of claim 1, wherein:
the motor (5) adopts an alternating current speed regulation motor, the model of the motor (5) is 3GN-15K, the rotating speed is 90 revolutions per minute, and the maximum allowable torque is 14.8 N.m.
6. The seed meter bench test conveyor platform of claim 2, wherein:
the power of the fan (31) is 400W, the voltage is 12V, the rotating speed is 15000 rpm, the maximum negative pressure is-12 kPa, the wind speed is 31m/s, and the current is 35A.
7. The seed meter bench test conveyor platform of claim 2, wherein:
the outer side of the industrial belt (77) is adhered with a plush fabric (72), and the plush fabric (72) and the industrial belt (77) synchronously move;
the plush cloth (72) is a rabbit fur imitation plush cloth; the color of the cloth is white;
the conveyor belt profile (71) is a 4080 aluminum profile.
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| CN201811179033.1A CN109573473B (en) | 2018-10-10 | 2018-10-10 | Seed metering ware bench test conveyer belt platform |
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| CN110012702A (en) * | 2019-05-05 | 2019-07-16 | 北部湾大学 | It is a kind of to divide automatic sowing device in advance |
Citations (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH416908A (en) * | 1963-08-07 | 1966-07-15 | Naehwirkmaschinenbau Malimo Ka | Warp knitting machine for the production of a plush fabric |
| CN87210111U (en) * | 1987-07-10 | 1988-06-08 | 卞军 | Ginseng-seed planter |
| JPH0234109U (en) * | 1988-08-26 | 1990-03-05 | ||
| JP2000257704A (en) * | 1999-03-11 | 2000-09-19 | Yanmar Agricult Equip Co Ltd | Mobile farm machine |
| CA2618286A1 (en) * | 2007-07-09 | 2009-01-09 | Cnh America Llc | Method and apparatus for an agricultural implement seed meter |
| CN101354320A (en) * | 2007-12-24 | 2009-01-28 | 中国农业大学 | System for detecting seed sowing device performance |
| JP2009113017A (en) * | 2007-11-09 | 2009-05-28 | Takahiro Yamamoto | Filtration apparatus |
| CN101647338A (en) * | 2009-09-18 | 2010-02-17 | 张文兴 | Thinning-free accurate seeder |
| CN201450768U (en) * | 2009-06-23 | 2010-05-12 | 姜天明 | Seeding rate adjusting device for precision sowing machine |
| CA2704580A1 (en) * | 2009-09-04 | 2011-03-04 | Cnh Canada, Ltd. | System and method for measuring flow rate from a meter roller |
| CN202014449U (en) * | 2011-04-08 | 2011-10-26 | 杨杰 | Automatic dish-loading and seeding device for seedling-raising dish |
| CN102230525A (en) * | 2011-04-21 | 2011-11-02 | 重庆理工大学 | Driving belt stepless transmission with increased transmission torque and gear ratio |
| CA2748645A1 (en) * | 2010-08-10 | 2012-02-10 | Woodhaven Capital Corp. | Agricultural conveyor manipulator |
| CN102640611A (en) * | 2012-05-11 | 2012-08-22 | 杨哲凡 | Self-propelled transplanting sower |
| CN103043251A (en) * | 2012-12-17 | 2013-04-17 | 武汉人天包装技术有限公司 | Double-row chain tray conveying device |
| CN202898769U (en) * | 2012-12-27 | 2013-04-24 | 宁波北纬纺织品有限公司 | Highly-imitated spliced fuzzy fiber |
| CN103080609A (en) * | 2010-09-03 | 2013-05-01 | 洋马株式会社 | Transmission device for riding-type work vehicle |
| CN203136498U (en) * | 2013-04-14 | 2013-08-21 | 甘肃农业大学 | Performance test board for maize seed sowing device |
| 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 |
| CN104041230A (en) * | 2014-07-08 | 2014-09-17 | 内蒙古农业大学机电工程学院 | Vibration type seed discharging test bed of fine no-tillage planter |
| JP2014187957A (en) * | 2013-03-27 | 2014-10-06 | Kubota Corp | Paddy field working machine |
| CN104303654A (en) * | 2014-10-14 | 2015-01-28 | 江苏省农业科学院农业资源与环境研究所 | Wheat wide-width band-shaped uniform sowing seed discharging device |
| CN204539787U (en) * | 2015-02-06 | 2015-08-12 | 北京农业智能装备技术研究中心 | A kind of cotton hole-sowing machine testing stand |
| CN204741778U (en) * | 2015-06-29 | 2015-11-11 | 中国农业大学 | There are level, infinitely variable convolution seeding fertilization regulation and control device |
| CN105052321A (en) * | 2015-07-31 | 2015-11-18 | 山东农业大学 | Wheel shaft type broad-width precious speed distribution apparatus |
| CN105494070A (en) * | 2015-12-04 | 2016-04-20 | 杨明彰 | Vegetable farming box |
| CA2913562A1 (en) * | 2014-12-12 | 2016-06-12 | Cnh Industrial America Llc | Twin-row multiple seed-type planter |
| CA2913726A1 (en) * | 2015-01-05 | 2016-07-05 | Cnh Industrial America Llc | Twin-row planter with tandem driven seed meters |
| CN205510786U (en) * | 2016-01-26 | 2016-08-31 | 谢宗鹏 | Automatic seeder with water and fertilizer formula function |
| CN205615124U (en) * | 2016-04-15 | 2016-10-05 | 江苏振阳毛绒科技有限公司 | Imitative otter rabbit matte material of high emulation |
| CN106211939A (en) * | 2016-09-21 | 2016-12-14 | 中国农业科学院草原研究所 | A kind of Stipa seeds collecting net and Stipa seeds collect type of seeding |
| CN205972653U (en) * | 2016-07-27 | 2017-02-22 | 浙江天台福祥制带有限公司 | Conveyer belt |
| CN206013633U (en) * | 2016-08-22 | 2017-03-15 | 无锡先导智能装备股份有限公司 | A kind of adjustable belt conveyor of spacing |
| WO2017071503A1 (en) * | 2015-10-27 | 2017-05-04 | 江苏航天鸿鹏数控机械有限公司 | Smart multi-functional cutting system for suction moulding materials |
| WO2017071504A1 (en) * | 2015-10-27 | 2017-05-04 | 江苏航天鸿鹏数控机械有限公司 | Smart multi-functional cutting machine for suction moulding materials |
| CN107155465A (en) * | 2016-05-23 | 2017-09-15 | 河北农业大学 | A kind of differential speed type wheat feed mechanism for seed |
| CN107155467A (en) * | 2017-06-27 | 2017-09-15 | 吴之旺 | Seeder |
| CN107364676A (en) * | 2017-06-23 | 2017-11-21 | 安徽新兴翼凌机电发展有限公司 | A kind of building waste conveying device |
| CN207001605U (en) * | 2017-05-04 | 2018-02-13 | 新昌县鸿裕工业产品设计有限公司 | A kind of electronic component conveying arrangement |
| CN207022446U (en) * | 2017-05-15 | 2018-02-23 | 洛阳易通电气科技有限公司 | A kind of seed plate roller pressure cave/implanted device for entering disk automatically |
| CN108489749A (en) * | 2018-04-11 | 2018-09-04 | 山东农业大学 | A kind of potato seeding apparatus test-bed that soil can be recycled |
| CN108521937A (en) * | 2018-04-09 | 2018-09-14 | 隋晓晓 | It is a kind of efficiently and can realize the implanted device uniformly sowed |
| CN209097561U (en) * | 2018-10-10 | 2019-07-12 | 武汉市农业科学院 | A kind of feed mechanism for seed bench test conveyer belt platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100282145A1 (en) * | 2009-05-06 | 2010-11-11 | Agco Corporation | Air Assisted Seed Dispensing |
-
2018
- 2018-10-10 CN CN201811179033.1A patent/CN109573473B/en active Active
Patent Citations (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH416908A (en) * | 1963-08-07 | 1966-07-15 | Naehwirkmaschinenbau Malimo Ka | Warp knitting machine for the production of a plush fabric |
| CN87210111U (en) * | 1987-07-10 | 1988-06-08 | 卞军 | Ginseng-seed planter |
| JPH0234109U (en) * | 1988-08-26 | 1990-03-05 | ||
| JP2000257704A (en) * | 1999-03-11 | 2000-09-19 | Yanmar Agricult Equip Co Ltd | Mobile farm machine |
| CA2618286A1 (en) * | 2007-07-09 | 2009-01-09 | Cnh America Llc | Method and apparatus for an agricultural implement seed meter |
| JP2009113017A (en) * | 2007-11-09 | 2009-05-28 | Takahiro Yamamoto | Filtration apparatus |
| CN101354320A (en) * | 2007-12-24 | 2009-01-28 | 中国农业大学 | System for detecting seed sowing device performance |
| CN201450768U (en) * | 2009-06-23 | 2010-05-12 | 姜天明 | Seeding rate adjusting device for precision sowing machine |
| CA2704580A1 (en) * | 2009-09-04 | 2011-03-04 | Cnh Canada, Ltd. | System and method for measuring flow rate from a meter roller |
| CN101647338A (en) * | 2009-09-18 | 2010-02-17 | 张文兴 | Thinning-free accurate seeder |
| CA2748645A1 (en) * | 2010-08-10 | 2012-02-10 | Woodhaven Capital Corp. | Agricultural conveyor manipulator |
| CN103080609A (en) * | 2010-09-03 | 2013-05-01 | 洋马株式会社 | Transmission device for riding-type work vehicle |
| CN202014449U (en) * | 2011-04-08 | 2011-10-26 | 杨杰 | Automatic dish-loading and seeding device for seedling-raising dish |
| CN102230525A (en) * | 2011-04-21 | 2011-11-02 | 重庆理工大学 | Driving belt stepless transmission with increased transmission torque and gear ratio |
| CN102640611A (en) * | 2012-05-11 | 2012-08-22 | 杨哲凡 | Self-propelled transplanting sower |
| CN103043251A (en) * | 2012-12-17 | 2013-04-17 | 武汉人天包装技术有限公司 | Double-row chain tray conveying device |
| CN202898769U (en) * | 2012-12-27 | 2013-04-24 | 宁波北纬纺织品有限公司 | Highly-imitated spliced fuzzy fiber |
| 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 |
| JP2014187957A (en) * | 2013-03-27 | 2014-10-06 | Kubota Corp | Paddy field working machine |
| CN203136498U (en) * | 2013-04-14 | 2013-08-21 | 甘肃农业大学 | Performance test board for maize seed sowing device |
| CN104041230A (en) * | 2014-07-08 | 2014-09-17 | 内蒙古农业大学机电工程学院 | Vibration type seed discharging test bed of fine no-tillage planter |
| CN104303654A (en) * | 2014-10-14 | 2015-01-28 | 江苏省农业科学院农业资源与环境研究所 | Wheat wide-width band-shaped uniform sowing seed discharging device |
| CA2913562A1 (en) * | 2014-12-12 | 2016-06-12 | Cnh Industrial America Llc | Twin-row multiple seed-type planter |
| CA2913726A1 (en) * | 2015-01-05 | 2016-07-05 | Cnh Industrial America Llc | Twin-row planter with tandem driven seed meters |
| CN204539787U (en) * | 2015-02-06 | 2015-08-12 | 北京农业智能装备技术研究中心 | A kind of cotton hole-sowing machine testing stand |
| CN204741778U (en) * | 2015-06-29 | 2015-11-11 | 中国农业大学 | There are level, infinitely variable convolution seeding fertilization regulation and control device |
| CN105052321A (en) * | 2015-07-31 | 2015-11-18 | 山东农业大学 | Wheel shaft type broad-width precious speed distribution apparatus |
| WO2017071503A1 (en) * | 2015-10-27 | 2017-05-04 | 江苏航天鸿鹏数控机械有限公司 | Smart multi-functional cutting system for suction moulding materials |
| WO2017071504A1 (en) * | 2015-10-27 | 2017-05-04 | 江苏航天鸿鹏数控机械有限公司 | Smart multi-functional cutting machine for suction moulding materials |
| CN105494070A (en) * | 2015-12-04 | 2016-04-20 | 杨明彰 | Vegetable farming box |
| CN205510786U (en) * | 2016-01-26 | 2016-08-31 | 谢宗鹏 | Automatic seeder with water and fertilizer formula function |
| CN205615124U (en) * | 2016-04-15 | 2016-10-05 | 江苏振阳毛绒科技有限公司 | Imitative otter rabbit matte material of high emulation |
| CN107155465A (en) * | 2016-05-23 | 2017-09-15 | 河北农业大学 | A kind of differential speed type wheat feed mechanism for seed |
| CN205972653U (en) * | 2016-07-27 | 2017-02-22 | 浙江天台福祥制带有限公司 | Conveyer belt |
| CN206013633U (en) * | 2016-08-22 | 2017-03-15 | 无锡先导智能装备股份有限公司 | A kind of adjustable belt conveyor of spacing |
| CN106211939A (en) * | 2016-09-21 | 2016-12-14 | 中国农业科学院草原研究所 | A kind of Stipa seeds collecting net and Stipa seeds collect type of seeding |
| CN207001605U (en) * | 2017-05-04 | 2018-02-13 | 新昌县鸿裕工业产品设计有限公司 | A kind of electronic component conveying arrangement |
| CN207022446U (en) * | 2017-05-15 | 2018-02-23 | 洛阳易通电气科技有限公司 | A kind of seed plate roller pressure cave/implanted device for entering disk automatically |
| CN107364676A (en) * | 2017-06-23 | 2017-11-21 | 安徽新兴翼凌机电发展有限公司 | A kind of building waste conveying device |
| CN107155467A (en) * | 2017-06-27 | 2017-09-15 | 吴之旺 | Seeder |
| CN108521937A (en) * | 2018-04-09 | 2018-09-14 | 隋晓晓 | It is a kind of efficiently and can realize the implanted device uniformly sowed |
| CN108489749A (en) * | 2018-04-11 | 2018-09-04 | 山东农业大学 | A kind of potato seeding apparatus test-bed that soil can be recycled |
| CN209097561U (en) * | 2018-10-10 | 2019-07-12 | 武汉市农业科学院 | A kind of feed mechanism for seed bench test conveyer belt platform |
Non-Patent Citations (3)
| Title |
|---|
| 《新型甘蔗种植机关键部件设计》;黄敞;广东农业科学;第41卷(第22期);第151-154页 * |
| 华中农业大学.《农业生产机械化 农业机械分册 南方本》.农业出版社 ,1980,(第1版),113. * |
| 智刚毅.《农机维修人员技术指南》.中国农业大学出版社,2016,(第1版),第112页. * |
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