CN107926236B - Asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism - Google Patents

Abstract

A high-speed asynchronous parallel double-row rape pot seedling transplanting mechanism comprises a left frame and a right frame which are arranged on two sides of a power driver, wherein a left planter, a furrow opener for opening a planting groove on a compartment surface, a left soil holding device and a seedling guide device for guiding rape pot seedlings are arranged in the left frame, a right planter, a furrow opener for opening a planting groove on the compartment surface, a right soil holding device and a seedling guide device for guiding rape pot seedlings are arranged in the right frame, the installation angles of the left planter and the right planter are different by 180 degrees and are staggered by half of a plant spacing, the installation angles of the left soil holding device and the right soil holding device are different by 180 degrees, the high-speed asynchronous parallel double-row transplanting is realized, the requirements of existing planting habits and agricultural techniques are met, the uniform row spacing is convenient for lighting and ventilation, and the yield and the quality of crops are improved.

Description

An asynchronous parallel double-row high-speed rape seedling transplanting mechanism

technical field

The invention relates to the technical field of agricultural planting machinery, in particular to an asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism.

Background technique

At present, rapeseed planting is mainly based on sowing and planting, but the field production cycle of sowing and planting rapeseed is long. It usually needs to be sown in mid-September and harvested in mid-May of the following year. However, double-cropping rice is widely planted in the middle and lower reaches of the Yangtze River. The harvest period of late rice is in early to mid-October, and the planting period of early rice is in early to mid-May. Therefore, the method of sowing and planting is difficult to be suitable for rice-rice-oil planting. Mode: By adopting the method of transplanting rape seedlings in pots, rape can be transplanted after the late rice is harvested, so as to improve the growth overlap of the two crops and realize multi-season crop rotation.

The planting density of rapeseed is usually above 130,000 plants/ha. The density is high, and the distance between rows and plants is small. The traditional transplanting of rapeseed is to punch holes in the soil and plant vertically. However, the soil humidity and viscosity of paddy fields in the south are high. Increase the forward resistance of the transplanting machinery, and seriously lose the power of the transplanting machinery; at the same time, in order to increase the horsepower of the transplanting machinery, the weight of the whole machine is increased to a certain extent, which is not conducive to improving the planting speed, and affects the implementation of the electrical control system of the transplanting machinery detection and automation.

Contents of the invention

The technical problem solved by the present invention is to provide an asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism to solve the above-mentioned shortcomings in the background technology.

The technical problem solved by the present invention adopts following technical scheme to realize:

An asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism, including a left frame and a right frame arranged on both sides of the power drive, and a left planter is arranged in the left frame for opening planting grooves on the box surface The ditch opener, the left soil holding device and the seedling guide for conducting the pot seedlings of rapeseed are arranged in the right frame, the right planter, the ditch opener for opening planting grooves on the car surface, the right soil holding device and the It is used as a seedling guide for conduction rapeseed pot seedlings. At the same time, the installation angles of the left and right planters are 180° apart, and the arrangement is staggered by half the plant distance. High-speed transplanting; the specific structure of each part is as follows:

The frame includes the frame and the push rod support installed on the frame for connecting the push rod, the swing rod support for connecting the swing rod, the row spacing adjustment bolts for adjusting the distance between the left frame and the right frame, and for adjusting Plant spacing adjustment bolts;

In the power driver, the left planting worm gear box, the right planting worm gear box, the left holding soil worm gear box and the right holding soil worm gear box have the same internal structure. The worm, the motor is connected with the worm installed in the left planting worm gear and worm box through splines, and the worm installed in the left planting worm gear and worm box is respectively connected with the worm installed in the right planting worm gear and worm box and installed in the left holding soil through splines. The worm in the worm gear and worm box is connected with the worm in the right holding soil worm gear and worm box, and the worm gear in the left planting worm gear and worm box is set on the left planting output shaft for driving the movement of the left planter, and the worm gear in the right planting worm gear and worm box The worm gear is set on one end of the right planting output shaft used to drive the movement of the right planter, and the other end of the right planting output shaft is set with a planting row spacing adjuster. The planting row spacing adjuster includes an adjustment component for adjusting the row spacing of the right planter and a right planting telescopic shaft , the worm gear in the left soil worm gear box is set on the left soil output shaft used to drive the movement of the left soil tool, the right soil worm gear box is set on one end of the right soil output shaft, and the right soil output shaft The other end is equipped with a soil row spacing adjuster, which includes an adjustment assembly for adjusting the row spacing of the right soil holder and a telescopic shaft for the right soil holder; The outer ends of the worm gears of the soil worm gear box are respectively provided with spline lock nuts for adjusting the distance between plants, and the spline lock nuts are used to fix and adjust the right planting worm gear box, the left holding soil worm gear box, and the right holding soil worm gear box The position between each other, and then realize the adjustment of the distance between plants;

In the left planter, one end of the crank is connected to the left planting output shaft, the other end is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the rocker, the other end of the rocker is welded to the push rod, and one end of the push rod passes through the push rod support Connected to the left frame, the other end of the push rod is connected to the seedling pushing component; one end of the swing rod is connected to the left frame through the swing rod support, and the other end of the swing rod is connected to the seedling pushing component;

In the right planter, one end of the crank is connected to the right planting telescopic shaft, the other end is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the rocker, the other end of the rocker is welded to the push rod, and one end of the push rod passes through the push rod support Connected to the right frame, the other end of the push rod is connected to the seedling pushing component; one end of the swing rod is connected to the right frame through the swing rod support, and the other end of the swing rod is connected to the seedling pushing component;

In the seedling pusher assembly, the support is installed on the upper part of the pusher plate frame, and a guide groove for the pusher plate to move up and down is set under the support, and the pusher plate can slide up and down in the guide groove, and the pusher plate is installed on the pusher plate A return spring and a cable seat, a cable is installed on the cable seat, and a soil scraper is installed on the outside of the seedling pushing plate;

The electric soil removal component is composed of an electric push rod installed on the frame and a cable holder, and the electric push rod is connected to the cable through the cable holder;

The installation angle of the crank of the left planter is 180° different from that of the right planter;

The opener includes a furrow plow and a ditch guard, the ditch guard is installed on the frame, and the furrow plow is installed at the front end of the ditch guard;

The left soil holding device includes two sets of soil holding mechanisms. In the soil holding mechanism, the soil holding plate opening cam used to control the swing of the soil holding plate control rod is installed on the left soil holding output shaft. When the shaft rotates, control the control rod of the soil holding board to swing to achieve the soil holding effect. One end of the soil holding board shaft is welded to the soil holding board, and the other end is connected to the soil holding board control rod. The torsion spring is installed on the connecting plate of the rotating sleeve and the holding soil The torsion spring is installed coaxially with the shaft of the soil holding plate, and the rotating sleeve is installed on the frame through the connecting plate of the rotating sleeve; the bulldozing blade is installed on the left frame through the connecting plate of the bulldozing plate;

The right soil holding device includes two sets of soil holding mechanisms. In the soil holding mechanism, the soil holding plate opening cam used to control the swing of the soil holding plate control rod is installed on the right soil holding telescopic shaft. When the shaft rotates, control the control rod of the soil holding board to swing to achieve the soil holding effect. One end of the soil holding board shaft is welded to the soil holding board, and the other end is connected to the soil holding board control rod. The torsion spring is installed on the connecting plate of the rotating sleeve and the holding soil The torsion spring is installed coaxially with the shaft of the soil holding plate, and the rotating sleeve is installed on the frame through the connecting plate of the rotating sleeve; the bulldozer is installed on the right frame through the connecting plate of the bulldozing plate;

The installation angle difference between the opening cam of the soil holding plate of the left soil holding device and the opening cam of the soil holding plate of the right soil holding device is 180°;

In the seedling guide, the side guide plate and the rear guide plate are installed on the frame, and the pot seedlings of rape fall from the seedling guide between the ditch guard and the seedling pushing mechanism.

In the present invention, the frame is provided with a planting worm gear box support for installing the planting worm gear box and a soil holding worm gear box support for installing the soil holding worm gear box.

In the present invention, the worms in the right planting worm gear and worm box, the left holding soil worm gear and worm box, and the right holding soil worm gear and worm box are internal spline through holes, and the worm of the right planting worm gear and worm box can pass through the spline in the left planting worm gear and worm. Slide on the worm of the box, the worm of the left holding soil worm box can slide on the worm of the right planting worm box through the spline, and the worm of the right holding soil worm box can slide on the worm of the left holding soil worm box through the spline Swipe up.

In the present invention, threads are provided on the splines at the outer ends of the right planting telescopic shaft and the right soil telescopic shaft.

In the present invention, the side of the seedling pushing plate is an inverted trapezoidal structure, which is beneficial to improving the uprightness of the rapeseed pot seedlings after falling.

In the present invention, the soil scraper is an arc shovel, so that the scraped soil clods are pushed down along the arc, so as to prevent the soil scraper itself from accumulating soil.

In the present invention, a flexible pad is installed on the upper side of the scraper.

In the present invention, the soil holding mechanism is arranged in a figure-eight structure on both sides of the seedling pushing plate.

In the present invention, in the left soil holding device, the opening cam of the soil holding plate is installed on the output shaft of the left holding soil through the cam fastening pin; on axis.

In the present invention, the rotating sleeve is installed on the frame through the connecting plate of the rotating sleeve.

In the present invention, a brush is arranged below the rear guide plate to prevent the pot seedlings of rape from falling down.

In the present invention, the adjustment assembly includes a locking screw and a rotating adjustment nut. When adjusting the planting row spacing, loosen the locking screw and turn the adjusting nut, and the right planting telescopic shaft is adjusted along the right planting output shaft Slide to adjust the row spacing of the planter. After adjusting to the predetermined position, tighten the locking screw; when adjusting the row spacing of the holding soil, loosen the locking screw, turn the adjusting nut, and the telescopic shaft of the right holding soil can be adjusted by rotating the adjusting nut Under the action, slide along the output shaft of the right soil holder to adjust the row distance of the soil holder. After adjusting to the predetermined position, tighten the locking screw.

Beneficial effect:

1) The present invention adopts horizontal and vertical reciprocating transplanting in the groove, which effectively improves the transplanting speed and planting efficiency;

2) In the present invention, the seedling pushing plate rotates around itself at a small angle while pushing the seedlings horizontally, which is used to prevent backward throwing of the seedlings during high-speed horizontal transplanting, thereby improving the transplanting quality of rape seedlings under high-speed transplanting conditions;

3) The invention is driven by a motor with adjustable speed to realize the multi-speed adjustment function of plant spacing, so as to meet the requirements of different planting densities; at the same time, it is driven by a motor, which is beneficial to reduce the mechanical structure and reduce the weight of the whole machine;

4) The present invention adopts horizontal and vertical transplanting combined with soil-covering with soil-holding boards to produce the effect of simulating manual transplanting and soil-holding to improve the transplanting quality of seedlings;

5) The present invention uses a single motor to drive two sets of planters with a phase difference of 180° in installation angle, which can effectively offset the inertial force of the movement of the bar of the planter, reduce vibration, and increase the planting speed; and because the two sets of planters have a phase difference of 180° At the same time, the left planter and the right planter are staggered by half the plant spacing, so as to realize asynchronous parallel double-row high-speed transplanting, which meets the existing planting habits and agronomic requirements. The uniform row-to-plant spacing is convenient for lighting and ventilation, and is conducive to improving crop yield and quality;

6) In the present invention, row spacing and plant spacing can be adjusted, and side-by-side planting can be realized under the condition of asynchronous high-speed planting, which meets the requirements of agronomic planting.

Description of drawings

Fig. 1 is a front view of a preferred embodiment of the present invention.

Fig. 2 is a top view of a preferred embodiment of the present invention.

Fig. 3 is a schematic diagram of the initial planting position in a preferred embodiment of the present invention.

Fig. 4 is a schematic diagram of the final position of planting in a preferred embodiment of the present invention.

Fig. 5 is a cross-sectional view at B-B in Fig. 2 .

Fig. 6 is a sectional view at C-C in Fig. 5 .

Fig. 7 is a cross-sectional view at D-D in Fig. 6 .

Fig. 8 is a schematic diagram of planting on a car floor in a preferred embodiment of the present invention.

Fig. 9 is a schematic diagram of the installation of the seedling pusher assembly and the electric soil removal assembly in a preferred embodiment of the present invention.

Fig. 10 is a schematic view of the features of the seedling pusher plate in a preferred embodiment of the present invention.

Fig. 11 is a schematic diagram of the power transmission route of the complete machine in a preferred embodiment of the present invention.

Fig. 12 is a phase diagram of the crank movement of the left planter and the right planter in a preferred embodiment of the present invention.

Fig. 13 is a planting effect diagram of a preferred embodiment of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

Referring to Figures 1 to 13, an asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism includes a left frame 1a, a right frame 1b, a power driver 2, a left planter 3a, a right planter 3b, a ditch opener 4, The left holding soil device 5a, the right holding soil device 5b, the seedling guide 6, the rape pot seedling 7, the left compartment surface 8a and the right compartment surface 8b, the left frame 1a and the right frame 1b are arranged on both sides of the power driver 2, and the left frame 1a is provided with a left planter 3a, a ditch opener 4 for opening a planting groove on the compartment surface 8a, a left soil holding device 5a and a seedling guide 6 for conducting pot seedlings 7 of rape, and the right frame 1b is provided with There is a right planter 3b, a ditch opener 4 for opening planting grooves on the compartment surface 8b, a right soil holding device 5b and a seedling guide 6 for conducting rape pot seedlings 7, a left planter 3a, and a right planter 3b , the left holding soil device 5a, and the right holding soil device 5b are respectively connected with the power driver 2, and the specific structure of each part is as follows:

The left frame 1a is made up of soil worm gear and worm box bearing 11, swing rod bearing 12, skeleton 13, planting worm gear and worm gear box bearing 14, row spacing adjustment bolt 15, push rod bearing 16 and plant spacing adjustment bolt 17, on the skeleton 13 A push rod support 16 for connecting the push rod 32, a swing rod support 12 for connecting the swing rod 34, a planting worm gear and worm box support 14 for installing the planting worm gear and worm box 22, and a soil holding worm gear for installing The soil worm wheel and worm box support 11 of the worm box 25, the row spacing adjusting bolt 15 for adjusting the relative right frame 1b distance of the left frame 1a and the spacing adjusting bolt 17 for adjusting the spacing between plants;

Power driver 2 is by motor 21, left planting worm gear box 22a, right planting worm gear box 22b, left planting output shaft 23a, right planting output shaft 23b, left holding soil worm gear box 24a, right holding soil worm gear box 24b, left Holding soil output shaft 25a, right holding soil output shaft 25b, spline lock nut 26 and locking bolt 27 are composed of, left planting worm gear and worm box 22a has the same structure as left holding soil worm gear and worm box 24a, and left planting worm gear and worm box 22a includes Casing 221, worm screw 222, snap ring 223, worm wheel 224, angular contact bearing 225, lip seal ring 226, sealing ring 227, deep groove ball bearing 228 and sleeve 229; Worm screw 222, snap ring 223, worm gear 224, angular contact bearing 225, lip seal ring 226, seal ring 227, deep groove ball bearing 228, sleeve 229, planting row spacing adjuster 28a; Body 221, worm screw 222, snap ring 223, worm wheel 224, angular contact bearing 225, lip seal ring 226, seal ring 227, deep groove ball bearing 228, sleeve 229 and holding soil row spacing regulator 28b; planting row spacing regulator 28a Including locking screw 281, adjusting nut 282 and right planting telescopic shaft 283, holding the soil distance adjuster 28b including locking screw 281, adjusting nut 282 and right holding soil telescopic shaft 284; the spline sleeve of the right planting telescopic shaft 283 outer end On the right planting output shaft 23b, and fixed by the locking screw 281 and the adjusting nut 282; The motor 21 is connected with the worm screw 222 on the left planting worm gear box 22a through a spline, and drives the worm screw 222 to rotate, and a part of the power of the worm screw 222 drives the rotation of the worm wheel 224 meshed with itself, and the worm wheel 224 drives the left planting output shaft 23a to rotate, and the left planting output The shaft 23a drives the left planter 3a to move, and the other part of the power drives the worm 222 on the right planting worm gear box 22b, the worm screw 222 on the left holding soil worm gear box 24a and the right holding soil worm gear box through the external spline on the worm screw 222 The worm 222 on the 24b, the worm 222 on the right planting worm gear box 22b drives the worm gear 224 meshed with itself to rotate, the worm gear 224 drives the right planting output shaft 23b to rotate, the right planting output shaft 23b drives the right planting telescopic shaft 283 to rotate, the right planting The telescopic shaft 283 drives the right planter 3b to move; the worm 222 on the worm gear box 24a of the left arm drives the worm wheel 224 engaged with itself to rotate, and the worm wheel 224 drives the left arm output shaft 25a, and the left arm output shaft 25a drives the left arm 5a movement; the worm screw 222 on the right holding soil worm gear box 24b drives the worm wheel 224 that meshes with itself to rotate, and the worm wheel 224 drives the right holding soil output shaft 25b, and the right holding soil output shaft 25b drives the right holding soil telescopic shaft 284 to rotate, and the right holding The soil telescopic shaft 284 drives the right soil holding device 5b to move; the left soil holding device 5a and the right soil holding device 5b are used to realize the effect of simulating artificial soil holding and transplanting (as shown in Figure 8) to improve the quality of transplanting;

The internal installation of right planting worm gear box 22b, left holding soil worm gear box 24a, right holding soil worm gear box 24b three casings is identical with left planting worm gear box 22a internal installation, and in left planting worm gear box 22a, worm screw 222 The two ends are respectively installed in the box body 221 through the angular contact bearing 225, the worm wheel 224 meshed with the worm 222 is set on the left planting output shaft 23a, the snap ring 223 and the lip seal ring 226 are arranged between the angular contact bearing 225 and the box body 221 Between, one end of the left planting output shaft 23a is installed in the box body 221 through the deep groove ball bearing 228, the sealing ring 227 is arranged between the deep groove ball bearing 228 and the box body 221, and the sleeve 229 is installed on the left planting output shaft 23a Used to limit the worm gear 224;

The splines on the right plant telescopic shaft 283 and the outer ends of the right holding soil telescopic shaft 284 are provided with threads;

At the same time, the outer ends of the worm screw 222 in the right planting worm gear box 22b, the left hand holding soil worm gear box 24a, and the right hand holding soil worm gear box 24b are respectively provided with spline lock nuts 26, and the spline lock nuts are used for fixing and adjusting Right planting worm gear box 22b, left holding soil worm gear box 24a, right holding the position between soil worm gear box 24b, and then realizing plant spacing adjustment; Right planting worm gear box 22b, left holding soil worm gear box 24a, right holding The worm screw 222 in the soil worm gear box 24b is an internal spline through hole, and the worm screw 222 of the right planting worm gear box 22b can slide on the worm screw 222 of the left planting worm gear box 22a through the spline, and the left hand holds the soil worm gear box 24a. The worm screw 222 can slide on the worm screw 222 of the right planting worm gear box 22b through the spline, and the worm screw 222 of the right hand holding soil worm gear box 24b can slide on the worm screw 222 of the left holding soil worm gear box 24a through the spline;

The worm gear and worm transmission utilizes the self-locking characteristics of the worm gear and worm, and only realizes the rotation of the worm driven by the worm, but not the worm driven by the worm, so that the characteristics of the driving mechanism are only related to the speed of the worm, effectively improving the stability of the transplanting mechanism;

Left planter 3a comprises crank 31a, push rod 32, push away seedling assembly 33, fork 34, rocking bar 35, connecting rod 36 and electric soil removal assembly 37, and push away seedling assembly 33 by pushing away seedling plate frame 331, backguy seat 332, Seedling pusher plate return spring 333, seedling pusher plate 334, soil scraper 335, flexible pad 336, guide groove 337, bearing 338 and backguy 339 are formed, crank 31a one end is connected with left planting output shaft 23a, and the other end is connected with connecting rod 36 one end is connected, and the other end of connecting rod 36 is connected with one end of rocking bar 35, and the other end of rocking bar 35 is welded on the push rod 32, and one end of push rod 32 is connected on the left frame 1a by push rod support 16, and push rod 32 is other One end is connected to the plate frame 331 for pushing seedlings through a support 338; one end of the swing rod 34 is connected to the left frame 1a through the support 12 of the swing rod, and the other end of the swing rod 34 is connected to the plate frame 331 for pushing seedlings through a support 338. Crank 31a rotates under the drive of planting output shaft 23, and crank 31a forms No. 1 crank rocker assembly M with connecting rod 36, rocking bar 35, and push rod 32 forms horizontal planting assembly with seedling pushing assembly 33, fork 34, because a One end of the rocker 35 in the crank rocker assembly M is welded on the push rod 32, and the fulcrum of the rocker 35 becomes a movable fulcrum, thereby controlling the swing of the push rod 32; Crank rocker assembly N, push rod 32 is equivalent to crank in the No. 2 crank rocker assembly, fork 34 is equivalent to rocking bar, pushes away seedling assembly 33 and is equivalent to connecting rod, and push rod 32 is made of No. 1 crank rocker assembly M The rocker 35 is driven to swing back and forth, so that the seedling pushing plate frame 331 swings back and forth and rotates at a small angle;

Right planter 3b comprises crank 31b, push rod 32, push away seedling assembly 33, fork 34, rocking bar 35, connecting rod 36 and electric soil removal assembly 37, and push away seedling assembly 33 by pushing away seedling plate frame 331, backguy seat 332, Seedling pusher plate return spring 333, seedling pusher plate 334, soil scraper 335, flexible pad 336, guide groove 337, bearing 338 and backguy 339 are formed, and one end of crank 31b is connected with right planting telescopic shaft 283, and the other end is connected with connecting rod 36 one end is connected, and the other end of connecting rod 36 is connected with one end of rocking bar 35, and the other end of rocking bar 35 is welded on the push rod 32, and one end of push rod 32 is connected on the right frame 1b by push rod support 16, and push rod 32 is other One end is connected on the frame 331 for pushing seedlings through a support 338; one end of the swing rod 34 is connected to the right frame 1b through the support 12 of the swing rod, and the other end of the swing rod 34 is connected to the frame 331 for pushing seedlings through a support 338. The crank 31b rotates under the drive of the right planting telescopic shaft 283, the crank 31b forms the No. 1 crank rocker assembly M with the connecting rod 36 and the rocking bar 35, and the push rod 32 forms the horizontal planting assembly with the seedling pushing assembly 33 and the fork 34. One end of the rocking bar 35 in the No. 1 crank rocker assembly M is welded on the push rod 32, and the fulcrum of the rocking bar 35 becomes a movable fulcrum, thereby controlling the swing of the push rod 32; No. crank rocker assembly N, push rod 32 is equivalent to crank in No. 2 crank rocker assembly, fork 34 is equivalent to rocking bar, pushes away seedling assembly 33 and is equivalent to connecting rod, and push rod 32 is formed by No. 1 crank rocker assembly M The rocker 35 is driven to do reciprocating swing, so that the seedling pushing plate frame 331 reciprocates and rotates at a small angle;

Seedling pushing assembly 33 is made up of pushing plate frame 331, backguy seat 332, pushing back plate return spring 333, pushing away plate 334, scraper 335, flexible pad 336, guide groove 337, bearing 338 and backguy 339,

In the seedling pushing assembly 33, the support 338 is installed on the top of the seedling pushing plate frame 331, the seedling pushing plate 334 is installed on the bottom of the seedling pushing plate frame 331, the seedling pushing plate 334 can slide up and down in the guide groove 337, and the seedling pushing plate 334 is installed Seedling pushing plate return spring 333 and backguy seat 332 are arranged, and backguy 339 is installed on the backguy seat 332, and soil scraper 335 is installed on the outside of seedling pushing plate 334, and flexible pad 336 is installed on the scraper upper side;

The electric soil removal assembly 37 is composed of an electric push rod 371 and a backguy holder 372 installed on the left frame 1a, and the electric pushrod 371 is connected with the backguy 339 through the backguy holder 372;

When the seedling pushing plate 334 moves to the left and contacts with the soil and realizes seedlings, the seedling pushing plate 334 will inevitably stick to the soil. Clean function, not easy to produce soil accumulation, its working principle:

The electric push rod 371 is powered, the push rod is extended, the backguy 339 is stretched relative to the backguy holder 372, the seedling pushing plate 334 moves up along the guide groove 337 under the action of the backguy 339, and the soil clods on the seedling pushing plate 334 are scraped Soil shovel 335 is scraped off, and soil shovel 335 is an arc shovel, and the clod after scraping is pushed down along the arc, to prevent that shovel 335 itself produces soil accumulation; Electric push rod 371 loses power, and push rod shortens, Backguy 339 retracts, and seedling pushing plate 334 returns under the effect of pushing seedling plate return spring 333, and then completes the whole soil cleaning cycle;

The ditch opener 4 includes a furrow plow 41 and a ditch guard 42, the ditch guard 42 is installed on the left frame 1a, and the ditch plow 41 is installed at the front end of the ditch guard 42;

The left holding soil device 5a comprises two sets of soil holding mechanisms, and the two sets of holding soil mechanisms are arranged in a figure-eight structure on both sides of the seedling pushing plate 334, and the holding soil mechanism includes holding the soil plate opening cam 51, holding the soil plate control lever 52, holding the soil Plate shaft 53, lock nut 54, rotating sleeve connecting plate 55, rotating sleeve 56, bulldozing plate connecting plate 57, bulldozing plate 58, holding soil plate 59, torsion spring 510, cam fastening pin 511 and holding soil track line 512, the soil holding board opening cam 51 is installed on the left holding soil output shaft 25a through the cam fastening pin 511, and the holding soil board opening cam 51 controls the swing of the holding soil board control rod 52 when the left holding soil output shaft 25a rotates , to achieve the effect of holding the soil, one end of the holding soil plate shaft 53 is welded on the holding soil plate 59, the other end is connected with the holding soil plate control rod 52, and is locked by the locking nut 54; the rotating sleeve 56 is installed through the rotating sleeve connecting plate 55 On the frame, the torsion spring 510 is installed on the rotating sleeve connecting plate 55 and the soil holding plate 59, and is installed coaxially with the soil holding plate shaft 53, and the bulldozing plate 58 is installed on the left frame 1a through the bulldozing plate connecting plate 57 superior;

The right holding soil device 5b includes two sets of holding soil mechanisms, and two sets of holding soil mechanisms are arranged in a figure-eight structure on both sides of the seedling pushing plate 334. The holding soil mechanism includes holding the soil plate opening cam 51, holding the soil plate control lever 52, holding the soil Plate shaft 53, lock nut 54, rotating sleeve connecting plate 55, rotating sleeve 56, bulldozing plate connecting plate 57, bulldozing plate 58, holding soil plate 59, torsion spring 510, cam fastening pin 511 and holding soil track line 512, the opening cam 51 of the holding soil plate is installed on the right holding soil telescopic shaft 284 through the cam fastening pin 511, and the holding soil plate opening cam 51 controls the swing of the holding soil plate control rod 52 when the right holding soil telescopic shaft 284 rotates , to achieve the effect of holding the soil, one end of the holding soil plate shaft 53 is welded on the holding soil plate 59, the other end is connected with the holding soil plate control rod 52, and is locked by the locking nut 54; the rotating sleeve 56 is installed through the rotating sleeve connecting plate 55 On the frame, the torsion spring 510 is installed on the rotating sleeve connecting plate 55 and the soil holding plate 59, and is installed coaxially with the soil holding plate shaft 53, and the bulldozing plate 58 is installed on the right frame 1b through the bulldozing plate connecting plate 57 superior;

The left side holds the soil output shaft 25a and drives the soil plate opening cam 51 to rotate, and the right hand holds the soil telescopic shaft 284 to drive the soil plate opening cam 51 to rotate, and the soil plate opening cam 51 rotates on the upper end surface of the soil plate control rod 52. The plate control rod 52 is connected with the soil holding plate shaft 53 through a square spline, and under the action of the torsion spring 510, the holding soil plate 59 is in the maximum closed state, which is conducive to promoting soil backfilling in the planting trench; When vertically transplanting rape pot seedlings 7 near the final position, hold the soil plate opening cam 51 to rotate to the position in contact with the soil plate control lever 52, and under the action of the soil plate opening cam 51, the soil plate 59 surrounds the soil plate Axle 53 rotates, thereby makes holding soil plate 59 rear ends open, can reduce holding soil plate 59 and bulldozes the amount forward, prevents from pushing down the rape pot seedling 7 that has been transplanted, improves the rape pot seedling transplanting uprightness; After the transplanting of the seedlings 7 is completed, the soil holding plate 59 gradually returns to its position under the control of the opening cam 51 of the soil holding plate, and the soil on both sides of the transplanted rape pot seedlings 7 is pressed from the outside to the inside to produce a movement that simulates manual holding of the soil. The effect of transplanting is conducive to improving the quality of transplanting;

The soil holding board 59 and the ditch guard board 42 have an overlapping offset distance l ₂ horizontally to provide enough soil blocks for backfilling the planting ditch. The ditch plate 42 has a certain offset distance _l1 , and is used to completely push the pot seedlings 7 of rape into the soil backfilled in the planting trench by the bulldozing plate 59, so as to complete the transplanting of the pot seedlings 7 of rapeseed, and the seedling pushing plate 334 is planted on the left Under the action of the device 3a, return to the initial position; the distance between the center of the rotating sleeve 56 and the ditch guard plate 42 is l ₃ , l ₃ >l ₁ ; due to this horizontal seedling planting method, there is no need to punch holes vertically to the ground, It is easy to adopt electric drive, and because the planting resistance is small, it is easy to realize high-speed planting, and the work efficiency is high; Into the planting groove, in the planting area V, it contacts with the rape pot seedling 7 to realize transplanting, and the other part crosses the holding soil plate 59 and falls into the rear end of the holding soil plate 59, and forms a backfill area together with the back soil in the W area of the van surface 8 U is conducive to improving the flatness of the compartment surface 8; due to the movement of the soil-holding mechanism, the trajectory line at the end of the soil-holding plate 59 is translated to both sides at the seedling planting center, forming a soil-holding trajectory line 512;

Seedling guide 6 is made up of side guide plate 61, rear guide plate 62 and hairbrush 63, and side guide plate 61 and rear guide plate 62 are installed on the left frame 1a, and hairbrush 63 is installed in rear guide plate 62 below, and rape pot seedling 7 is guided from seedling guide. The device 6 falls between the ditch guard plate 42 of the ditch opener 4 and the seedling pusher assembly 33, and the seedling pusher plate 334 is tilted forward when in the initial position, because the brush 63 controls the rapeseed pot seedling 7 blades, so that the rapeseed pot The seedlings 7 are tilted forward at a certain angle after falling, and the brush 63 is used to prevent the rape pot seedlings 7 from toppling backwards.

As shown in Figure 10, the movement characteristics and structural features of the seedling pushing plate 334: when the seedling pushing plate 334 is in the initial position, the seedling pushing plate 334 forms a certain angle a ₁ with the y direction, and the seedling pushing plate 334 is inclined to the front side, which can Better to undertake rape pot seedlings 7, to improve the uprightness of rape pot seedlings 7 after falling seedlings (rape pot seedlings 7 have a small pot body, wide blades, and an inverted pyramid structure); when the seedling pushing plate 334 is at the end position of pushing seedlings, The seedling pushing plate 334 forms an angle of a ₂ with the y direction, and the seedling pushing plate 334 _is inclined backward to prevent backward throwing of seedlings and soil to improve planting quality; The trapezoidal structure is conducive to improving the uprightness of the rape pot seedlings 7 after they fall.

When the whole machine is installed, the crank 31a of the left planter 3a and the crank 31b of the right planter 3b have an installation angle of 180°, and the opening cam 51 of the soil holding device 5a of the left soil holding device 5a and the opening cam 51 of the soil holding device 5b of the right soil holding device The installation angles differ by 180°, as shown in Figure 6, because there is a phase difference of 180° between the two sets of mechanisms, when the whole machine starts to work, the movement laws of the left planter 3a and the right planter 3b are opposite, as shown in Figure 12, In this way, it can effectively offset the inertial force of the rod movement of the planter, reduce the vibration, and increase the planting speed; because there is a 180° phase difference between the two sets of planters, the planting positions of the two sets of planters are also staggered by half the plant distance, resulting in displacement. The planted seedlings are not juxtaposed in two rows. Therefore, two sets of planters are used to stagger the position of half the plant spacing, as shown in Figure 2 and 13. The deviation distance of the two sets of planters is l ₄ , and l ₄ is equal to 1/ of the plant spacing l ₅ 2, so as to realize asynchronous parallel double-row transplanting, which meets the basic agronomic requirements of rapeseed planting.

When adjusting the planting row spacing, loosen the locking screw 281, turn the adjusting nut 282, and the right planting telescopic shaft 283 slides along the right planting output shaft 23b under the rotation adjustment of the adjusting nut 282 to adjust the planter row spacing. After the predetermined position, tighten the locking screw 281 and get final product.

When adjusting the row distance of the soil holder, loosen the locking screw 281, turn the adjustment nut 282, and the right soil holder telescopic shaft 284 slides along the right soil holder output shaft 25b under the action of the adjustment nut 282 to adjust the row distance of the soil holder , after adjusting to the predetermined position, tighten the locking screw 281.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. An asynchronous double-row high-speed rape pot seedling transplanting mechanism is characterized in that it comprises a left frame and a right frame arranged on both sides of the power driver, and a left planter is arranged in the left frame for The ditch opener for opening the planting groove on the surface, the left holding device and the seedling guide for conducting the pot seedlings of rapeseed, and the right planter and the opener for opening the planting groove on the side of the box are arranged in the right frame , the right holding soil device and the seedling guide for conducting rapeseed pot seedlings. At the same time, the installation angles of the left and right planters differ by 180° and are staggered by half the plant spacing. To realize asynchronous parallel double-row high-speed transplanting; the specific structure of each part is as follows: The frame includes the frame and the push rod support installed on the frame for connecting the push rod, the swing rod support for connecting the swing rod, the row spacing adjustment bolts for adjusting the distance between the left frame and the right frame, and for adjusting Plant spacing adjustment bolts; In the power driver, the left planting worm gear box, the right planting worm gear box, the left holding soil worm gear box and the right holding soil worm gear box have the same internal structure. The worm, the motor is connected with the worm installed in the left planting worm gear and worm box through splines, and the worm installed in the left planting worm gear and worm box is respectively connected with the worm installed in the right planting worm gear and worm box and installed in the left holding soil through splines. The worm in the worm gear and worm box is connected with the worm in the right holding soil worm gear and worm box, and the worm gear in the left planting worm gear and worm box is set on the left planting output shaft for driving the movement of the left planter, and the worm gear in the right planting worm gear and worm box The worm gear is set on one end of the right planting output shaft used to drive the movement of the right planter, and the other end of the right planting output shaft is set with a planting row spacing adjuster. The planting row spacing adjuster includes an adjustment component for adjusting the row spacing of the right planter and a right planting telescopic shaft , the worm gear in the left soil worm gear box is set on the left soil output shaft used to drive the movement of the left soil tool, the right soil worm gear box is set on one end of the right soil output shaft, and the right soil output shaft The other end is equipped with a soil row spacing adjuster, which includes an adjustment assembly for adjusting the row spacing of the right soil holder and a telescopic shaft for the right soil holder; The outer ends of the worm gears of the soil worm gear box are respectively provided with spline lock nuts for adjusting the distance between plants, and the spline lock nuts are used to fix and adjust the right planting worm gear box, the left holding soil worm gear box, and the right holding soil worm gear box The position between each other, and then realize the adjustment of the distance between plants; In the left planter, one end of the crank is connected to the left planting output shaft, the other end is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the rocker, the other end of the rocker is welded to the push rod, and one end of the push rod passes through the push rod support Connected to the left frame, the other end of the push rod is connected to the seedling pushing component; one end of the swing rod is connected to the left frame through the swing rod support, and the other end of the swing rod is connected to the seedling pushing component; In the right planter, one end of the crank is connected to the right planting telescopic shaft, the other end is connected to one end of the connecting rod, the other end of the connecting rod is connected to one end of the rocker, the other end of the rocker is welded to the push rod, and one end of the push rod passes through the push rod support Connected to the right frame, the other end of the push rod is connected to the seedling pushing component; one end of the swing rod is connected to the right frame through the swing rod support, and the other end of the swing rod is connected to the seedling pushing component; In the seedling pusher assembly, the support is installed on the upper part of the pusher plate frame, and a guide groove for the pusher plate to move up and down is set under the support, and the pusher plate can slide up and down in the guide groove, and the pusher plate is installed on the pusher plate A return spring and a cable seat, a cable is installed on the cable seat, and a soil scraper is installed on the outside of the seedling pushing plate; The electric soil removal component is composed of an electric push rod installed on the frame and a cable holder, and the electric push rod is connected to the cable through the cable holder; The installation angle of the crank of the left planter is 180° different from that of the right planter; The opener includes a furrow plow and a ditch guard, the ditch guard is installed on the frame, and the furrow plow is installed at the front end of the ditch guard; The left soil holding device includes two sets of soil holding mechanisms. In the soil holding mechanism, the soil holding plate opening cam used to control the swing of the soil holding plate control rod is installed on the left soil holding output shaft. When the shaft rotates, control the control rod of the soil holding board to swing to achieve the soil holding effect. One end of the soil holding board shaft is welded to the soil holding board, and the other end is connected to the soil holding board control rod. The torsion spring is installed on the connecting plate of the rotating sleeve and the holding soil The torsion spring is installed coaxially with the shaft of the soil holding plate, and the rotating sleeve is installed on the frame through the connecting plate of the rotating sleeve; the bulldozing blade is installed on the left frame through the connecting plate of the bulldozing plate; The right soil holding device includes two sets of soil holding mechanisms. In the soil holding mechanism, the soil holding plate opening cam used to control the swing of the soil holding plate control rod is installed on the right soil holding telescopic shaft. When the shaft rotates, control the control rod of the soil holding board to swing to achieve the soil holding effect. One end of the soil holding board shaft is welded to the soil holding board, and the other end is connected to the soil holding board control rod. The torsion spring is installed on the connecting plate of the rotating sleeve and the holding soil The torsion spring is installed coaxially with the shaft of the soil holding plate, and the rotating sleeve is installed on the frame through the connecting plate of the rotating sleeve; the bulldozer is installed on the right frame through the connecting plate of the bulldozing plate; The installation angle difference between the opening cam of the soil holding plate of the left soil holding device and the opening cam of the soil holding plate of the right soil holding device is 180°; In the seedling guide, the side guide plate and the rear guide plate are installed on the frame, and the pot seedlings of rape fall from the seedling guide into between the ditch guard and the seedling pushing mechanism. 2. A kind of asynchronous side-by-side double-row high-speed rape pot seedling transplanting mechanism according to claim 1, characterized in that, the frame is provided with a planting worm gear and worm box bearing for installing a planting worm gear and worm box and a planting worm gear and worm box for installing The worm gear box support of the worm gear box. 3. An asynchronous parallel double-row high-speed rapeseed pot seedling transplanting mechanism according to claim 1, characterized in that the splines at the outer ends of the right telescopic shaft for planting and the telescopic shaft for holding soil are provided with threads. 4. A kind of asynchronous side by side double-row high-speed rape pot seedling transplanting mechanism according to claim 1, it is characterized in that, the worm screw in the right planting worm gear and worm box, the left holding soil worm gear and worm box, and the right holding soil worm gear and worm box is Internally splined through hole. 5. An asynchronous parallel double-row high-speed rape seedling transplanting mechanism according to claim 1, characterized in that a flexible pad is installed on the upper side of the scraper. 6. An asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism according to claim 1, characterized in that the soil scraper is an arc shovel. 7. An asynchronous parallel double-row high-speed rapeseed pot seedling transplanting mechanism according to claim 1, characterized in that the soil holding mechanism is arranged in a figure-eight structure on both sides of the seedling pushing plate. 8. An asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism according to claim 1, characterized in that, in the left soil holding device, the opening cam of the soil holding plate is installed on the output shaft of the left soil holding device through the cam fastening pin . 9. An asynchronous parallel double-row high-speed rape pot seedling transplanting mechanism according to claim 1, characterized in that, in the right soil holding device, the opening cam of the soil holding plate is installed on the telescopic shaft of the right holding soil through the cam fastening pin . 10. The asynchronous parallel double-row high-speed rapeseed pot seedling transplanting mechanism according to claim 1, characterized in that a brush is provided under the rear guide plate to prevent the rapeseed pot seedlings from falling over.

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