CN216982522U

CN216982522U - Rice seedling tray lifting machine

Info

Publication number: CN216982522U
Application number: CN202220710041.XU
Authority: CN
Inventors: 李渤海; 李衣菲; 张戈; 罗来盛; 闫宇霆; 田永久; 刘天祥; 衣淑娟
Original assignee: Heilongjiang Bayi Agricultural University
Current assignee: Heilongjiang Bayi Agricultural University
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-19
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a rice seedling tray lifting machine, which belongs to the technical field of rice planting and comprises a rack, four travelling wheels, a tray lifting shovel and an inclined conveying belt, wherein the four travelling wheels are installed at the bottom of the rack, the inclined conveying belt is uniformly and fixedly installed at the front part of the rack, the tray lifting shovel is installed at the front part of the inclined conveying belt, a transverse conveying belt is installed at the upper part of the rack and is connected with the tail part of the inclined conveying belt, a cuboid frame is fixedly installed at one end of the upper part of the rack, a longitudinal circulating tray stacking device is installed on the cuboid frame, a tray collecting frame is arranged on the outer side below the circulating tray stacking device and is fixed on the rack, and a tray is arranged on the tray collecting frame. The rice seedling tray lifting machine is reasonable in structural design and convenient to use and operate, and the mechanical separation of the hard disk seedling trays from the seedbed and the framing process of the lifted seedling trays are automatically controlled and completed by the PLC control system to separate the hard disk seedling trays from bed soil placed in the greenhouse during seedling raising, so that tray lifting is realized.

Description

Rice seedling tray lifting machine

Technical Field

The utility model relates to the technical field of rice planting, in particular to a rice seedling tray lifting machine.

Background

Rice is one of four staple grains in China, and occupies a great position in grain production and food safety. Seedling transplantation is a key link in mechanized rice planting, operation in each link in the rice production process is complicated, the labor degree is high, the labor demand is high, and replacement of manual operation through mechanized intelligence is urgently needed. Especially, the link of starting a set in the canopy, the link of transplanting that starts a set is the link that drops into the artifical volume the most and operation intensity is the biggest, mainly through staff manual operation at present, relies on the labour, and efficiency is not high, has increased artifical cost, almost all leans on artifical dish and reel, and degree of mechanization is almost zero, and the current less dish starting device that adopts mechanized operation has the dish line of starting a set problem such as too few again, and degree of mechanization is not high scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a rice seedling tray lifting machine.

The utility model relates to a rice seedling tray lifting machine, which comprises a rack, traveling wheels, tray lifting shovels and inclined conveying belts, wherein four traveling wheels are installed at the bottom of the rack, driven wheels are arranged on connecting shafts of the symmetrical traveling wheels and are in chain transmission with an output shaft sprocket wheel of a motor I fixed on the rack, two supporting rods are arranged on an inclined plane at the front end of the machine at intervals and are fixed with two ends of the rack, more than three groups of inclined conveying belts are uniformly arranged on the supporting rods at intervals, the tray lifting shovels are installed on front parts of each group of inclined conveying belts, and a transverse conveying belt is installed on the upper part of the rack and is connected with the tail parts of the inclined conveying belts; a cuboid frame is fixedly arranged at one end of the upper part of the rack and is connected with the tail part of the transverse conveyor belt; a longitudinal circulating disc stacking device is arranged on the cuboid frame, a disc collecting frame is arranged on the outer side of the circulating disc stacking device and fixed with the frame, and a disc collecting is arranged on the disc collecting frame; a motor II is fixed at one end of the rack, and an output shaft chain wheel of the motor II is in chain transmission with an end gear of a transmission shaft of the inclined conveyor belt; a motor III is fixed at the other end of the rack and is in transmission connection with the transverse conveyor belt; a motor IV is fixed on the rectangular frame and is in transmission connection with the circulating disc stacking device; and the motor I, the motor II, the motor III and the motor IV are all connected with a PLC control device through lines.

As a further improvement of the utility model, the circulating disc stacking device is characterized in that circulating gear chains are arranged on two longitudinal frames of the rectangular frame and are driven by a motor IV, more than five transverse trays are uniformly and fixedly arranged between the two circulating gear chains, and the motor IV is a stepping motor.

As a further improvement of the utility model, the number of the transverse trays on the circulating disc stacking device is ten, the inner side of the circulating disc stacking device is provided with a transverse push rod matched with the transverse trays, a motor track is fixed on a rack at the front end of the cuboid frame, a chain III is arranged on the motor track, a motor VII is arranged on the motor track, a gear on an output shaft of the motor VII is matched with the chain III, the tail end of the output shaft of the motor VII is fixed with the transverse push rod, and the transverse push rods are arranged at intervals in the longitudinal direction.

As a further improvement of the utility model, the frames at the front end and the rear end of the disc collecting frame are provided with a chain I, the chain I is in transmission connection with a chain wheel on a motor V fixed at one end of the disc collecting frame, and the disc collecting frame is provided with a disc collecting matched with the chain I.

As a further improvement of the utility model, the transverse conveyor belt is formed by arranging rollers in the frame at the top of the frame at intervals transversely, the rear end of the frame is provided with a chain V which is in transmission connection with a motor III, and a limiting push rod is fixed on the chain V and is arranged above the transverse conveyor belt.

As a further improvement of the utility model, a transverse sliding push rod is arranged between the racks at the two ends above the inclined conveying belt, and the sliding push rod is in driving connection with a motor VI through a chain II along the sliding rail.

As a further improvement of the utility model, the four walking wheels are provided with track grooves, and height adjusting devices are arranged between the front wheels of the four walking wheels and the frame body.

The rice seedling tray lifting machine is reasonable in structural design and convenient to use and operate, and the separation of the seedling tray of the mechanical seedling raising tray from a seedling bed and the separation of the seedling tray of the rice seedling raising tray placed in a greenhouse from bed soil during seedling raising are automatically controlled and completed through the PLC control system, and the lifting of the tray is realized. The separated seedling trays are automatically conveyed and loaded into a special conveying basket, so that the seedling trays can be conveniently conveyed to a working area of the transplanter, a large amount of labor cost is saved through mechanical operation, the pressure of hiring workers is relieved, the labor intensity of the workers is reduced, the production cost is reduced, the income of farmers is increased, and the quality of transplanting operation is ensured.

Drawings

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

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a schematic view of the circulating disc stacking apparatus of the present invention.

Detailed Description

The rice seedling tray lifting machine of the utility model is further explained with reference to the attached

drawings

1, 2, 3 and 4.

The utility model discloses a rice seedling tray lifting machine, which comprises a frame 1, traveling wheels 2, a tray lifting shovel 3 and an inclined conveying belt 4, wherein the four traveling wheels 2 are installed at the bottom of the frame 1, and driven wheels are arranged on connecting shafts of the symmetrical traveling wheels 2 and are in chain transmission with an output shaft sprocket of a motor I10 fixed on the frame 1. Four walking wheels 2 on all be equipped with track groove 20, during the use, lay the track of corresponding width rather than cooperating on the both sides in sprout cultivation pond, be equipped with height adjusting device 21 simultaneously between four front wheels of walking wheel 2 and support body, be equipped with position sensor I33 on the height adjusting device 21 of both sides respectively, prevent that machine and place ahead big-arch shelter from bumping, control motor I10.

Two support rods 27 are transversely arranged on the inclined plane at the front end of the rack at intervals and fixed with the two ends of the rack 1, five groups of inclined conveyor belts 4 are uniformly arranged on the support rods 27 at intervals, the front parts of each group of inclined conveyor belts 4 are connected through a connecting rod 31, and a tray lifting shovel 3 is arranged on the outer side of the connecting rod 31. A transverse sliding push rod 23 is arranged between the racks 1 at the two ends above the inclined conveying belt 4, a motor VI 25 is fixed at the two ends of the sliding push rod 23 respectively, the motor VI 25 is arranged on the bottom frame sliding rail 26, and an output shaft chain wheel of the motor VI 25 is matched with the chain II 24. And position sensors II 34 are arranged at the front end and the rear end of the underframe slide rails 26 at the two ends of the inclined conveying belt 4 to limit the moving stroke of the motor VI 25.

The upper part of the frame 1 is provided with a transverse conveyor belt 5 which is connected with the tail part of the inclined conveyor belt 4; a cuboid frame 6 is fixedly arranged at one end of the upper part of the frame 1 and is connected with the tail part of the transverse conveyor belt 5.

The transverse conveyor belt 5 is formed by arranging rollers 38 and an upper frame body 41 in the frame at the top of the rack 1 at intervals in the transverse direction, a chain V39 is arranged at the rear end of the rack 1 and is in transmission connection with the motor III 12, a limiting push rod 40 is fixed on the chain V39 and is arranged above the transverse conveyor belt 5, and a pressure sensor 32 is arranged on the upper frame body 41.

A longitudinal circulating disc stacking device 7 is arranged on the rectangular frame 6, a position sensor III 35 is arranged on a longitudinal frame at the bottom of the circulating disc stacking device 7, the two longitudinal frames of the rectangular frame 6 are provided with a circulating gear chain 15 which is driven by a motor IV 13, ten transverse trays 16 are uniformly fixed between the two circulating gear chains 15, a transverse push rod 19 is arranged at the inner side of the circulating disc stacking device 7 and is matched with the transverse trays 16, a motor track 29 is fixed on the frame 1 at the front end of the rectangular frame 6, two ends of the motor track 29 are provided with a position sensor IV 36, the motor rail 29 is provided with a chain 30 III, the motor VII 22 is arranged on the motor rail 29, a gear on an output shaft of the motor VII is matched with the chain III 30, the tail end of the output shaft of the motor VII 22 is fixed with a transverse push rod 19, and five transverse push rods 19 are arranged at intervals in the longitudinal direction.

The outer side of the circulating disc stacking device 7 is provided with a disc collecting frame 8, the disc collecting frame 8 is fixed with the rack 1, the frames at the front end and the rear end of the disc collecting frame 8 are provided with a chain I17, the chain I17 is in transmission connection with a chain wheel on a motor V18 fixed on one end of the disc collecting frame 8, a disc collecting 9 matched with the chain I17 is arranged on the disc collecting frame 8, and the disc collecting 9 is a five-layer transport disc collecting basket. Position sensors V37 are arranged on the frames at the front end and the rear end of the tray collecting frame 8.

A motor II 11 is fixed at one end of the rack 1, and an output shaft chain wheel of the motor II 11 is in chain transmission with an end gear of a transmission shaft 28 of the inclined conveyor belt 4; a motor III 12 is fixed at the other end of the rack 1, and the motor III 12 is in transmission connection with the transverse conveyor belt 5; a motor IV 13 is fixed on the rectangular frame 6, and the motor IV 13 is in transmission connection with the circulating disc stacking device 7; and the motor I10, the motor II 11, the motor III 12 and the motor IV 13 are all connected with a PLC (programmable logic controller) 14 through lines.

The rice seedling tray lifting machine is divided into three parts: a lifting portion, a conveying portion, and a lifting portion. The tray-lifting main function is to scoop up the seedling tray attached to the soil during the moving process of the machine; the conveying part is mainly divided into a first conveying area (longitudinal) and a second conveying area (transverse), the longitudinal conveying part drives the scooped seedling tray to the second conveying area through the upward moving crawler belt, and the transverse conveying part sequentially pushes the seedling tray to the lifting area; the lifting part is used as the last key step of the complete tray lifting process of a row of seedling trays, the seedling trays are sequentially lifted and stacked, the seedling trays are pushed to the tray collecting basket at last once, and the whole tray lifting process is finished.

In a standard rice seedling raising greenhouse, seedling trays are arranged into 10 rows and 200 columns, are divided into two 5 rows and 200 columns and are symmetrically arranged, 3 straight rails and an arc rail are arranged according to the width of a full-automatic tray lifting machine of the rice seedling raising tray being 5 trays and the distance between machine walking wheels, the distance between the straight rails is 3.2m, the length of the straight rails is 38m, the length of the arc rail is 9.8m, and the rails are laid always 144.8 m. After the tracks are laid, the four travelling wheels 2 are placed on the side track and the middle track. And the height of the tray lifting shovel 3 is adjusted according to the adhesion depth of the seedling raising tray and the soil in the shed. During operation, the motor is fed according to the PLC control system, so that the whole machine is driven to move on the track, the tray lifting shovel is shoveled into the seedling raising tray from the bottom of the seedling raising tray (the seedling raising tray is directly pushed to the inclined conveying belt along with the moving process of the machine), and the seedling and soil separation is realized. In the moving process of the whole machine, the inclined conveyer belt 4 pushes the seedling raising trays upwards, the seedling raising trays enter the transverse conveyer belt 5 from the tail end of the inclined conveyer belt 4, the sliding push rod 23 is started until a complete row of seedling raising trays are conveyed to the transverse conveyer belt 5, the motor III 12 is started to drive the limiting push rod 40 on the chain V39 to drive the seedling raising trays to move on the roller 38 and then to be pushed into the circulating tray stacking device 7, after the five tray trays on one side of the circulating tray stacking device 7 are finished, the motor VII 22 starts the transverse push rod 19 to move transversely to push the seedling raising trays on the five layers of transverse trays 16 to the tray 9 to be stacked, and then the motor V18 drives the chain I17 to drive the tray 9 to be conveyed to the other end of the tray stacking device 8, so that one-time conveying is completed.

The start switch is clicked. The PLC controls the motor I10 and the motor II 11 to rotate forwards, the traveling device and the inclined conveying belt of the tray lifting machine are driven to move, the tray lifting machine conveys the seedling raising trays to the transverse conveying device, and the seedling raising trays trigger the pressure sensor 32 under the action of gravity. Stopping the motor I10 and the motor II 11, stopping the disk lifter from advancing, and stopping conveying by the inclined conveying belt; and the motors VI 25 on the two sides start to rotate forwards, the sliding push rods 23 are driven to move transversely along the underframe slide rails 26, the seedling raising trays are pushed to the transverse conveying device 5 until the sliding push rods 23 trigger the position sensor II 34 on the rear side, the motors VI 25 stop rotating, and the sliding push rods 23 stop moving. The rightmost seedling raising tray triggers a position sensor III 35, counting is started, when the counting is less than 5 times, a motor III 12 and a motor IV 13 rotate forwards at intervals of 3 seconds in sequence to respectively drive tray stacks to ascend, a transverse push rod 19 pushes the seedling raising trays rightwards to complete tray stacking movement, and when the counting is =5, the motor III 12 and the motor IV 13 are started up and stopped in sequence; the motor VII 22 rotates forwards. The motor VII 22 drives the five-row transverse push rod 19 to push the seedling raising tray to the tray collecting area; the seedling raising tray triggers a position sensor IV 36 on the right side, the motor VII 22 stops rotating, and the motor V18 rotates forwards. The five-row transverse push rod 19 stops moving, and the motor V18 drives the tray of the disc collecting area to transversely move backwards. When the tray triggers the rear position sensor v 37, the motor v 18 is stopped. And a reset switch is clicked, the motor VI 25, the motor VII 22 and the motor V18 rotate reversely, the motor M5 rotates forwards to respectively trigger the two position sensors II 34 on the front side, the position sensor IV 36 on the left side and the position sensor V37 on the front side, so that the motor VI 25, the motor III 12, the motor VII 22 and the motor V18 stop rotating, and the operation is performed circularly after reset is completed.

Claims

1. A rice seedling plate lifting machine comprises a rack (1), walking wheels (2), plate lifting shovels (3) and inclined conveying belts (4), wherein four walking wheels (2) are installed at the bottom of the rack (1), driven wheels are arranged on connecting shafts of the symmetrical walking wheels (2), and the four walking wheels are in chain transmission with output shafts and chain wheels of a motor I (10) fixed on the rack (1), and the rice seedling plate lifting machine is characterized in that two supporting rods (27) are arranged on an inclined plane at the front end of the rack (1) at intervals and fixed with two ends of the rack (1), more than three groups of inclined conveying belts (4) are uniformly arranged on the supporting rods (27) at intervals, the plate lifting shovels (3) are installed on front parts of each group of inclined conveying belts (4), and a transverse conveying belt (5) is installed on the upper part of the rack (1) and connected with the tails of the inclined conveying belts (4); a cuboid frame (6) is fixedly arranged at one end of the upper part of the frame (1) and is connected with the tail part of the transverse conveyor belt (5); a longitudinal circulating disc stacking device (7) is installed on the cuboid frame (6), a disc collecting frame (8) is arranged on the outer side of the circulating disc stacking device (7), the disc collecting frame (8) is fixed with the rack (1), and a disc collecting (9) is arranged on the disc collecting frame (8); a motor II (11) is fixed at one end of the rack (1), and an output shaft chain wheel of the motor II (11) is in chain transmission with an end gear of a transmission shaft (28) of the inclined conveying belt (4); a motor III (12) is fixed at the other end of the rack (1), and the motor III (12) is in transmission connection with the transverse conveying belt (5); a motor IV (13) is fixed on the rectangular frame (6), and the motor IV (13) is in transmission connection with the circulating disc stacking device (7); and the motor I (10), the motor II (11), the motor III (12) and the motor IV (13) are all connected with a PLC (programmable logic controller) control device (14) through lines.

2. The rice seedling tray lifting machine according to claim 1, characterized in that the circulating tray stacking device (7) is a circulating gear chain (15) arranged on two longitudinal frames of the rectangular frame (6) and driven by a motor IV (13), more than five transverse trays (16) are uniformly fixed between the two circulating gear chains (15), and the motor IV (13) is a stepping motor.

3. The rice seedling tray lifting machine as claimed in claim 2, characterized in that the number of the transverse trays (16) on the circulating tray stacking device (7) is ten, a transverse push rod (19) is installed on the inner side of the circulating tray stacking device (7) to be matched with the transverse trays (16), a motor track (29) is fixed on the rack (1) at the front end of the rectangular frame (6), a chain III (30) is arranged on the motor track (29), a motor VII (22) is arranged on the motor track (29), a gear on an output shaft of the motor VII is matched with the chain III (30), the transverse push rod (19) is fixed at the tail end of the output shaft of the motor VII (22), and the transverse push rods (19) are arranged at five longitudinal intervals.

4. The rice seedling tray lifter according to claim 1 or 2, characterized in that the frames at the front and rear ends of the tray collecting rack (8) are provided with chains I (17), the chains I (17) are in transmission connection with chain wheels on a motor V (18) fixed at one end of the tray collecting rack (8), and the tray collecting rack (8) is provided with a tray collecting rack (9) matched with the chains I (17).

5. The rice seedling tray lifting machine according to claim 1 or 2, characterized in that the transverse conveyor belt (5) is composed of rollers (38) and an upper frame body (41) which are arranged in the top frame of the frame (1) at intervals, the rear end of the frame (1) is provided with a chain V (39) which is in transmission connection with the motor III (12), a limit push rod (40) is fixed on the chain V (39) and is arranged above the transverse conveyor belt (5), and the upper frame body (41) is provided with a pressure sensor (32).

6. The rice seedling tray lifting machine as claimed in claim 1 or 2, characterized in that a transverse sliding push rod (23) is arranged between the racks (1) at the two ends above the inclined conveyor belt (4), a motor VI (25) is respectively fixed at the two ends of the sliding push rod (23), the motor VI (25) is arranged on the underframe slide rails (26), an output shaft chain wheel thereof is matched with the chain II (24), and position sensors II (34) are arranged at the front and rear ends of the underframe slide rails (26) at the two ends of the inclined conveyor belt (4).

7. The rice seedling tray lifting machine as claimed in claim 1 or 2, characterized in that the four travelling wheels (2) are provided with track grooves (20), height adjusting devices (21) are arranged between the front wheels of the four travelling wheels (2) and the frame body, and the height adjusting devices (21) at two sides are respectively provided with a position sensor I (33).