CN212184173U

CN212184173U - Peanut digger

Info

Publication number: CN212184173U
Application number: CN202020797553.5U
Authority: CN
Inventors: 张国浩; 阮谢亭; 蒋庆臣; 蒋雨蕾; 蒋庆友
Original assignee: Henan Jindi Agricultural Equipment Co ltd
Current assignee: ZHENGYANG YUFENG MACHINERY CO.,LTD.
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-22
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a peanut digging machine, which comprises a digging part, a screening part and a frame, wherein the digging part comprises a digging shovel and a transmission chain, the transmission chain is obliquely conveyed towards the rear upper part, the tail end of the digging shovel is positioned above the front end of the transmission chain, the digging shovel is fixedly installed with the frame, and the end part roller of the transmission chain is rotatably installed with the frame; the screening part comprises a shakable tail screen, the tail screen is arranged at the rear end of the conveying chain, the opening of the tail screen is inclined towards the rear lower part, and the front end of the tail screen is positioned below the rear end of the conveying chain; the top of transfer chain sets up whip mechanism, whip mechanism include multiunit parallel arrangement and with the revolving axle of frame rotation installation, this peanut excavator sets up rotatory whip strip above the transfer chain, whips the seedling of transfer chain top to make the adnexed soil separation of seedling, reduce the adhesion volume of output seedling surface soil.

Description

Peanut digger

Technical Field

The utility model relates to the technical field of agricultural machinery, specifically a peanut excavator.

Background

The peanut is a nut which is abundant in yield and wide in eating in China, belongs to an annual herb plant of Rosales, belongs to leguminous, has a stem which is upright or creeping and is 30-80 cm long, a petal is separated from a keel petal, the pod is 2-5 cm long and 1-1.3 cm wide, and is swollen, thick in pod and 6-8 months in flower and fruit period. Because the peanuts are buried in the soil, when the peanuts are picked, the peanuts are dug or pulled out from the soil in a manual digging mode, the efficiency is low, and the problem that the peanuts fall into the soil easily occurs. The Chinese patent application No. 201910037900.6 discloses a peanut digging harvester, which is characterized in that a traction vehicle is used for dragging the peanut digging harvester, a digging shovel is used for digging peanuts, the peanuts are lifted by a conveying device and then screened by a tail screen, the automatic harvesting of the peanuts is realized, the harvesting efficiency is rapidly improved, in the harvesting process, the conveying device is used for carrying out primary screening on soil crumbs mixed in seedlings in the lifting process, so that the soil is separated from the seedlings, the later-period loading and transportation are convenient, but the existing equipment only depends on self-shaking of a conveying chain during feeding during screening, when the viscosity of the soil is higher, a certain adhesive force exists between the soil and the seedlings, the shaking of the conveying chain is difficult to separate the seedlings from the peanuts, so that a large amount of soil enters the tail screen along with the seedlings, the load of the tail screen is increased, and the soil screening effect is reduced, so that the surface of the finally produced seedling still has more soil attached.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a peanut excavator, set up rotatory whip strip above the transfer chain, carry out the whip to the seedling of transfer chain top to make the adnexed soil separation of seedling, reduce the adhesion volume of output seedling surface soil, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a peanut digging machine comprises a digging part, a screening part and a frame, wherein the digging part comprises a digging shovel and a transmission chain, the transmission chain is obliquely conveyed towards the rear upper part, the tail end of the digging shovel is positioned above the front end of the transmission chain, the digging shovel is fixedly installed with the frame, and rolling shafts at the end parts of the transmission chain are rotatably installed with the frame;

the screening part comprises a shakable tail screen, the tail screen is arranged at the rear end of the conveying chain, the opening of the tail screen is inclined towards the rear lower part, and the front end of the tail screen is positioned below the rear end of the conveying chain;

the upper side of conveying chain sets up whip mechanism, whip mechanism include multiunit parallel arrangement and with the revolving axle of frame rotation installation, the revolving axle axis is parallel with the upper surface of conveying chain, the even interval of revolving axle axis sets up flexible whip strip.

As a preferred technical scheme of the utility model, the conveying chain is driven by three groups of chains which are arranged in parallel and are closed-loop, a plurality of groups of parallel straight rods are vertically arranged among the three groups of chains, the upper conveying edge of each chain is engaged with a chain wheel ring, and an eccentric wheel is rotatably arranged in the chain wheel ring;

the input shaft of the eccentric wheel is connected with the output shaft of the gearbox through a chain or a belt transmission mechanism, and the rotation of the eccentric wheel drives the rapid shaking of the chain wheel ring, so that the shaking amplitude of the transmission chain is increased, and the broken soil mixed in the seedlings is enabled to fall rapidly.

As a preferred technical solution of the present invention, the crankshaft is horizontally and transversely rotatably installed inside the frame, the tail screen is of a groove-shaped structure, the upper end of the tail screen is rotatably installed with the frame, a transmission rod is arranged between the tail screen and the crankshaft, the crankshaft is perpendicular to the axis of the transmission rod, and the two ends of the transmission rod are rotatably installed with the crankshaft and the bottom of the tail screen respectively;

the crank shaft is connected with the tail sieve through the transmission rod, the tail sieve is driven to shake by the rotation of the crank shaft, the screening of the seedlings and the crushed soil is realized, and the crushed soil in the seedlings is shaken out.

As a preferred technical solution of the present invention, a traction frame is disposed above the front end of the frame, a transmission case is disposed inside the traction frame, an input shaft of the transmission case is connected with an output shaft of a front traction vehicle, an output shaft of the transmission case is connected with an input shaft of a crankshaft and a transmission chain through a power transmission mechanism, a roller is rotatably mounted at the rear end of the frame, a swing frame is vertically and swingably mounted at the front end of the frame, a depth limiting roller is rotatably mounted at the free end of the swing frame, a telescopic rod is disposed between the middle position of the swing frame and the frame, and both ends of the telescopic rod are hinged by hinges;

the swing frame is driven by the telescopic rod to swing up and down, so that the relative height of the depth limiting roller and the rack is adjusted, and the soil feeding depth of the digging shovel is adjusted.

As a preferred technical scheme of the utility model, set up the first squeeze roll above the one end that the digging shovel is close to the transfer chain, the transfer chain is close to the one end top of tail sieve and sets up the second squeeze roll, the space part between transfer chain and the tail sieve sets up the guide grate, the guide grate is fixed mounting with the frame, the horizontal rotation sets up the broom above the front end of digging shovel, the broom, first squeeze roll and second squeeze roll axis are parallel, and the input shaft of broom, first squeeze roll and second squeeze roll is respectively through the output shaft of drive mechanism with the gearbox;

carry out once or the second grade extrusion to the seedling through first squeeze roll and second squeeze roll to pulverize inside soil block, the screening of being convenient for sets up the spiral broom simultaneously at the front end, and the spiral broom's spire is soft brush hair, stirs the seedling to one side, makes it topple over to one side to unifying, thereby makes the seedling direction of arranging of tail sieve output unanimous, the subsequent loading operation of being convenient for.

Compared with the prior art, the beneficial effects of the utility model are that: this peanut excavator increases whip mechanism on the basis of current equipment, through high-speed pivoted revolving axle, drives the whip strip and whips at the transmission chain face, makes the soil on seedling surface break away from, drops in the hole of following the transmission chain, reduces the adhesion of seedling surface soil, reduces tail sieve work load to promote the branch sieve effect of tail sieve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the present invention;

FIG. 3 is a schematic view of the assembly of the screening part and the whipping mechanism of the present invention;

fig. 4 is the assembly schematic diagram of the sprocket ring and the eccentric wheel of the present invention.

In the figure: 1 digging part, 101 first squeezing roller, 102 conveying chain, 103 second squeezing roller, 104 spiral broom, 105 digging shovel, 106 eccentric wheel, 107 chain wheel ring, 2 screening part, 201 guide grate, 202 tail screen, 203 driving rod, 204 crankshaft, 3 frame, 301 depth-limiting roller, 302 roller, 303 traction frame, 304 gearbox, 305 telescopic rod, 4 whipping mechanism, 401 whipping bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a peanut digging machine comprises a digging part 1, a screening part 2 and a frame 3, wherein the digging part 1 comprises a digging shovel 105 and a transmission chain 102, the transmission chain 105 is obliquely conveyed upwards and backwards, the tail end of the digging shovel 105 is positioned above the front end of the transmission chain 105, the digging shovel 105 is fixedly installed with the frame 3, and the end part rollers of the transmission chain 102 are rotatably installed with the frame 3;

the screening part 2 comprises a shakable tail screen 202, the tail screen 202 is arranged at the rear end of the conveyor chain 102, the opening of the tail screen 202 is inclined towards the rear lower direction, and the front end of the tail screen 202 is arranged below the rear end of the conveyor chain 102;

the whip mechanism 4 is arranged above the transmission chain 102, the whip mechanism 4 comprises a plurality of groups of rotating shafts which are arranged in parallel and rotatably arranged with the frame 3, the axes of the rotating shafts are parallel to the upper surface of the transmission chain 102, and the axes of the rotating shafts are uniformly provided with flexible whip strips 401 at intervals.

The transmission chain 102 is driven by three groups of chains which are arranged in parallel and are closed-loop, a plurality of groups of parallel straight rods are vertically arranged among the three groups of chains, the upper transmission edge of each chain is meshed with a chain wheel ring 107, and an eccentric wheel 106 is rotatably arranged in each chain wheel ring 107;

the input shaft of the eccentric wheel 106 is connected with the output shaft of the gearbox 304 through a chain or belt transmission mechanism, and the rotation of the eccentric wheel 106 drives the sprocket ring 107 to shake rapidly, namely the shaking amplitude of the transmission chain 102 is increased, so that the broken soil mixed in the seedlings can fall rapidly.

A crankshaft 204 is horizontally and transversely rotatably mounted in the rack 3, the tail sieve 202 is of a groove-shaped structure, the upper end of the tail sieve 202 is rotatably mounted with the rack 3, a transmission rod 203 is arranged between the tail sieve 202 and the crankshaft 204, the crankshaft 204 is vertical to the axis of the transmission rod 203, and two ends of the transmission rod 203 are rotatably mounted with the bottoms of the crankshaft 204 and the tail sieve 202 respectively;

the crank shaft 204 is connected with the tail sieve 202 through the transmission rod 203, the rotation of the crank shaft 204 is utilized to drive the tail sieve 202 to shake, the screening of seedlings and broken soil is realized, and the broken soil in the seedlings is shaken out.

A traction frame 303 is arranged above the front end of the frame 3, a gearbox 304 is arranged in the traction frame 303, an input shaft of the gearbox 304 is connected with an output shaft of a front traction vehicle, an output shaft of the gearbox 304 is connected with an input shaft of the crankshaft 204 and the transmission chain 102 through a power transmission mechanism, a roller 302 is rotatably arranged at the rear end of the frame 3, a swing frame is vertically and swingably arranged at the front end of the frame 3, a depth limiting roller 301 is rotatably arranged at the free end of the swing frame, an expansion link 305 is arranged between the middle position of the swing frame and the frame 3, and two ends of the expansion link 305 are hinged by hinges;

the swing frame is driven to swing up and down through the telescopic rod 305, so that the relative height of the depth limiting roller 301 and the rack 3 is adjusted, and the soil feeding depth of the digging shovel 105 is adjusted.

A first extrusion roller 101 is arranged above one end of the digging shovel 105 close to the conveying chain 102, a second extrusion roller 103 is arranged above one end of the conveying chain 102 close to the tail screen 202, a material guiding grate 201 is arranged at a gap part between the conveying chain 102 and the tail screen 202, the material guiding grate 201 is fixedly installed with the rack 3, a spiral broom 104 is horizontally and rotatably arranged above the front end of the digging shovel 105, the axial lines of the spiral broom 104, the first extrusion roller 101 and the second extrusion roller 103 are parallel, and input shafts of the spiral broom 104, the first extrusion roller 101 and the second extrusion roller 103 are respectively connected with an output shaft of a gear box 304 through a transmission mechanism;

carry out once or second grade extrusion to the seedling through first squeeze roll 101 and second squeeze roll 103 to pulverize inside soil block, be convenient for screen, set up spiral broom 104 simultaneously at the front end, the spiral part of spiral broom 104 is soft brush hair, stirs the seedling to one side, makes it topple over to one side to unify, thereby makes the seedling direction of arranging of tail sieve 202 output unanimous, is convenient for subsequent loading operation.

When in use: the length of the telescopic rod 305 is adjusted to change the swing angle of the swing frame, namely, the relative height of the depth-limiting roller 301 and the machine frame 3 is adjusted, namely, the soil-entering depth of the digging shovel 105 is adjusted, the telescopic rod 305 is preferably a hydraulic cylinder and is communicated with a hydraulic system of a tractor to facilitate length adjustment, when the adjustment is proper, the traction frame 303 is connected with a front traction vehicle, an input shaft of a gearbox 304 is connected with an output shaft of the traction vehicle to drive the transmission chain 102, the first squeezing roller 101, the second squeezing roller 103 and the crankshaft 204 to rotate, wherein the power transmission mechanism is preferably a chain or belt transmission mechanism, when the machine frame 3 moves forwards, the digging shovel 105 shovels seedlings and soil together and moves backwards relative to the digging shovel 105 to fall onto the surface of the transmission chain 102, during the period, the seedlings are squeezed for the first time by the first squeezing roller 101 to crush larger soil blocks, when being transmitted by the transmission chain 102, the whip strips 401 whip the seedlings to separate soil from the seedlings, the eccentric wheels 106 drive the transmission chains 102 to shake at high frequency to shake the broken soil, the seedlings continue to feed until the seedlings drop into the tail sieve 202, and in the process, the seedlings are extruded again by the second extrusion rollers 103 to crush the soil blocks which are not crushed by one-time extrusion, so that the tail sieve 202 can be conveniently screened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a peanut digger, includes excavation portion (1), screening portion (2) and frame (3), its characterized in that: the excavating part (1) comprises an excavating shovel (105) and a conveying chain (102), the conveying chain (102) is conveyed upwards and backwards in an inclined mode, the tail end of the excavating shovel (105) is located above the front end of the conveying chain (102), the excavating shovel (105) is fixedly installed with the rack (3), and the end rolling shafts of the conveying chain (102) are rotatably installed with the rack (3);

the screening part (2) comprises a shakable tail screen (202), the tail screen (202) is arranged at the rear end of the conveyor chain (102), the tail screen (202) is opened and inclined towards the rear and downward, and the front end of the tail screen (202) is arranged below the rear end of the conveyor chain (102);

the upper side of conveying chain (102) sets up whipping mechanism (4), whipping mechanism (4) include multiunit parallel arrangement and with frame (3) rotation installation's revolving shaft, the revolving shaft axis is parallel with the upper surface of conveying chain (102), the even interval of revolving shaft axis sets up flexible whipping strip (401).

2. The peanut harvester of claim 1, wherein: the conveying chain (102) is driven by three groups of chains which are arranged in parallel and are closed, a plurality of groups of parallel straight rods are vertically arranged between the three groups of chains, the upper conveying edge of each chain is meshed with a chain wheel ring (107), and the chain wheel ring (107) is internally provided with an eccentric wheel (106) in a rotating mode.

3. The peanut harvester of claim 1, wherein: the horizontal rotation installation bent axle (204) of frame (3) inside level, tail sieve (202) are the channel configuration, the upper end of tail sieve (202) rotates with frame (3) and installs, be provided with between tail sieve (202) and bent axle (204) transfer line (203), bent axle (204) are perpendicular with the axis of transfer line (203), the both ends of transfer line (203) rotate the installation with the bottom of bent axle (204) and tail sieve (202) respectively.

4. The peanut harvester of claim 3, wherein: the utility model discloses a take-up frame, including frame (3), traction frame (303), inside gearbox (304) that sets up of traction frame (303), the input shaft and the leading traction vehicle's of gearbox (304) output shaft, the output shaft of gearbox (304) passes through the input shaft of power transmission mechanism and bent axle (204) and transfer chain (102), the rear end of frame (3) rotates installation gyro wheel (302), the front end luffing motion installation rocker of frame (3), the free end of rocker rotates installation depth roller (301), set up telescopic link (305) between the intermediate position of rocker and frame (3), the both ends of telescopic link (305) all adopt the hinge joint.

5. The peanut harvester of claim 1, wherein: the device is characterized in that a first squeezing roller (101) is arranged above one end, close to a conveying chain (102), of the digging shovel (105), a second squeezing roller (103) is arranged above one end, close to a tail screen (202), of the conveying chain (102), a material guiding grate (201) is arranged in a gap between the conveying chain (102) and the tail screen (202), the material guiding grate (201) is fixedly installed on a rack (3), a spiral broom (104) is horizontally and rotatably arranged above the front end of the digging shovel (105), the axial lines of the spiral broom (104), the first squeezing roller (101) and the second squeezing roller (103) are parallel, and input shafts of the spiral broom (104), the first squeezing roller (101) and the second squeezing roller (103) are respectively connected with an output shaft of a gearbox (304) through a transmission mechanism.