Synchronous fertilizing device with adjustable row spacing and depth for rice transplanter

Abstract

The synchronous fertilizing device comprises a rice transplanter box frame, two ends of the rice transplanter box frame are connected with a cross beam through supporting rods, the upper end faces or the lower end faces of the two ends of the cross beam are provided with transversely-arranged guide grooves, and transverse adjusting mechanisms are installed in the guide grooves in a guiding mode respectively. A sliding mechanism is clamped in the middle of a side plate on the front side of the cross beam, the bottom end of a sliding plate of the sliding mechanism is connected with a connecting plate used for being connected with a fertilizer applicator in the middle, and the bottom ends of the connecting plates are connected with the fertilizer applicators through depth adjusting mechanisms respectively; the fertilizer applicator is connected with a fertilizer box of the rice transplanter through a fertilizer conveying hose. The fertilizer applicator is reasonable in design, the position, the row spacing and the fertilizing depth of the fertilizer applicator can be quickly adjusted through simple sliding, rotating or plugging operation, the fertilizing operation is more efficient, the applicability is good, and the fertilizer applicator can be compatible with rice transplanters of various models.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field, concretely is a kind of water rice transplanter synchronous fertilization device with adjustable row spacing and depth. BACKGROUND

[0002] In order to let rice after machine transplanting better development growth, improve rice yield and quality, more adopt to carry out synchronous fertilization when rice machine transplants. Because the soil condition, climate condition, geographical environment, rice variety difference of each area in our country is too obvious, according to these conditions, different dense planting system is the important measure to improve rice yield.

[0003] With the market of rice transplanter in vigorous promotion, wide and narrow row type rice transplanter and row spacing adjustable type rice transplanter meet the planting requirements of different regions, however, the existing rice transplanter synchronous fertilization device is not convenient for quick adjustment to different row spacing planting and different depth fertilization, this kind of synchronous fertilization device is mostly fixed position and not adjustable, time-consuming and laborious, and the matching with transplanter is poor, this fixed fertilization device already does not satisfy the market needs.

[0004] This device is not suitable for using some electrical appliances due to the influence of operating environment, so manual adjustment is mainly used, only because wide and narrow row transplanter and adjustable row spacing transplanter are now advocated, although some fertilization devices can also adjust position, but basically all are fixed with bolt and nut structure, which is relatively cumbersome to disassemble and assemble, such as: the water rice fertilization device disclosed in Chinese patent 202121671504.8, a support, screw rod, cross bar, clamping plate and bolt are arranged, the support is welded on the second support rod, the screw rod is rotationally connected with the cross bar, the cross bar is provided with a plurality of through holes in the middle, the clamping plate is fixedly connected with the cross bar through the bolt, the position of the fertilization pipe is adjusted up and down and left and right through the structure, so that the operator can adjust the position of the fertilization pipe according to the rice growing environment.

[0005] Although the application realizes the adjustment of different row spacing and depth, when adjusting different row spacing, it needs to be adjusted manually one by one, the operation process is cumbersome and time-consuming, at the same time, the installation mode of the fertilization device is fixed, it is difficult to adjust flexibly according to different transplanter models and operating environment, the space position is limited, leading to poor adaptability of the fertilization pipe and the separating mechanism of the transplanter, which cannot guarantee good adaptation with the separating mechanism of the transplanter, the adjustment range of the row spacing and depth of the fertilization device is limited, which cannot meet the needs of different rice growing environments and growth stages, therefore, the structure needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model aims at overcoming the defects and deficiencies of prior art, and provides a kind of water rice transplanter synchronous fertilization device with adjustable row spacing and depth, solves the problems existing in prior art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A row spacing and depth adjustable rice transplanter synchronous fertilizer device, including the transplanter box frame, both ends of the transplanter box frame are connected with crossbeam through support rod, the upper end face or the lower end face of both ends of the crossbeam is equipped with the transverse guide groove, the guide groove is respectively guided and is installed with the transverse adjusting mechanism, the rack of the transverse adjusting mechanism guiding movement is equipped with the interval setting for connecting both sides fertilizer applicator connecting plate, the middle part of the side plate of the crossbeam front side is equipped with the sliding mechanism, the sliding plate bottom end of the sliding mechanism is connected with the connecting plate for connecting the middle fertilizer applicator, the bottom end of the connecting plate is connected with the fertilizer applicator through the depth adjusting mechanism respectively, the fertilizer applicator is all connected with the fertilizer hose, and the top end of the fertilizer hose is connected with the fertilizer tank of the transplanter.

[0009] The guide groove is located at both ends of the crossbeam, the guide groove on the left end of the crossbeam is located on the upper end face, and the guide groove on the right end is located on the lower end face, the transverse adjusting mechanism includes the rack one guided cooperation with the guide groove on the upper end face of the left end of the crossbeam and the rack two guided cooperation with the guide groove on the lower end face of the right end of the crossbeam, a part of the rack one and the rack two is connected with the connecting part outside the guide groove, and the connecting part is distributed with the interval setting T-shaped clamping groove for clamping the mounting end of the connecting plate, another part is located in the guide groove and is the moving part, the bottom end surface of the moving part is the tooth surface, and one side of the moving part is connected with the slide strip, the slide strip is guided and cooperated with the guide rail inside the guide groove.

[0010] The synchronous movement of the rack one and the rack two is driven through the middle gear, the upper and lower end faces of the gear are respectively engaged with the tooth surface of the rack one and the rack two, the gear shaft of the middle gear is rotatably installed in the middle of the crossbeam, one end of the gear shaft penetrates out of the crossbeam and is installed with the adjusting handle, and the gear shaft is also installed with the friction resistance reduction mechanism.

[0011] The friction resistance reduction mechanism includes bearing end cover one, bearing end cover two and roller bearing, the bearing end cover one is installed on the side of the crossbeam close to the adjusting handle, the bearing end cover two is installed on the side plate, the roller bearing is installed in the inside of the bearing end cover one and the bearing end cover two, and the roller bearing is connected with the gear shaft.

[0012] The inner side of the crossbeam is fixedly connected with guide rail one and guide rail two, the inside of the guide rail one is slidably connected with the slide strip one, the inside of the guide rail two is slidably connected with the slide strip two, the slide strip one is fixedly connected with the rack one, and the slide strip two is fixedly connected with the rack two.

[0013] The connecting plate comprises a connecting plate one and a connecting plate two clamped on a T-shaped clamping groove of the rack, a connecting plate three and a connecting plate four clamped on the T-shaped clamping groove of the rack, and a connecting plate five and a connecting plate six fixedly connected with the bottom end of the sliding plate of the sliding mechanism; the connecting part of the rack one and the rack two is provided with a transversely penetrating through hole, and a plug pin of the connecting plate clamped on the T-shaped clamping groove is inserted into the through hole.

[0014] The depth adjusting mechanism comprises height adjusting holes, a fixed plate and a fixed pin, the bottom of the connecting plate one, the connecting plate two, the connecting plate three, the connecting plate four, the connecting plate five and the connecting plate six is provided with a plurality of height adjusting holes, the upper end of the fertilizer applicator is sleeved and fixedly connected with the fixed plate, one side of the fixed plate is provided with a plug matched with the height adjusting hole, and the height adjusting hole is connected through the fixed pin.

[0015] The sliding mechanism comprises a sliding plate one and a sliding plate two, the upper and lower end faces of the side plate on the front side of the cross beam are provided with sliding grooves, the upper and lower ends of the sliding plate one and the sliding plate two are provided with guide heads matched with the sliding grooves in a guide mode, the surfaces of the sliding plate one and the sliding plate two are provided with sliding plate positioning holes, the surface of the side plate is symmetrically provided with a plurality of side plate positioning holes, the sliding plate one and the sliding plate two are fixedly connected with the side plate through self-tapping screws, and the self-tapping screws are matched with the side plate positioning holes and the sliding plate positioning holes.

[0016] The outer side of the cross beam is provided with a locking mechanism at the position of the adjusting handle, the locking mechanism comprises a locking gear, a locking ring and a hinge hole bolt, the surface of the gear shaft is fixedly connected with the locking gear, the side of the cross beam close to the adjusting handle is rotatably connected with the locking ring through the hinge hole bolt, and the locking ring is engaged with the locking gear.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1), by setting the gear shaft, adjusting handle, gear, rack one, rack two, T type slot, connecting plate one, connecting plate two, connecting plate three, connecting plate four, sliding plate one, sliding plate two, connecting plate five, connecting plate six, can slide sliding plate one and sliding plate two, and then drive the fertilizer applicator on connecting plate five and connecting plate six to move horizontally, thereby adjusting the fertilizer spacing of the middle two rows, adjusting the connecting plate one and the connecting plate two inserted into the T type slot on the rack one with different spacing, thereby adjusting the fertilizer spacing of the left two rows, adjusting the connecting plate three and the connecting plate four inserted into the T type slot on the rack two with different spacing, thereby adjusting the fertilizer spacing of the right two rows, rotating the adjusting handle, the adjusting handle drives the gear to rotate through the gear shaft, the gear is engaged with the rack one and the rack two to drive, the rack one and the rack two move synchronously left and right, thereby driving the connecting plate one, the connecting plate two and the connecting plate three, the connecting plate four move synchronously left and right, thereby adjusting the distance between the left two fertilizer applicators and the right two fertilizer applicators and the middle two fertilizer applicators; it can flexibly adjust the fertilizer spacing of the left two rows, the middle two rows and the right two rows, thereby realizing precise fertilizer adjustment of different row spacing.

[0019] (2), by setting the height adjusting hole and the fixed plate, the fixed plate with the fertilizer applicator can be inserted into different height adjusting holes, thereby the height of the fertilizer outlet of the fertilizer applicator can be adjusted, thereby realizing the fertilizer depth adjustment under different actual operation environment, which can adapt to different soil conditions, rice growth stages and fertilizer strategy requirements, improve the precision and efficiency of fertilization.

[0020] In summary, through the design and implementation of the row spacing fertilizer adjustment structure and the fertilizer depth adjustment structure, through simple sliding, rotating or plugging operation, the position of the fertilizer applicator, the row spacing and the fertilizer depth can be quickly adjusted; such design not only reduces the cumbersome steps in the disassembly process, but also improves the adjustment accuracy, makes the fertilization operation more efficient, and can significantly improve the flexibility and adaptability of the rice fertilization device. At the same time, the structure design of the device fully considers the ergonomics principle, reduces the physical consumption and fatigue feeling in the operation process, and the structure design is reasonable, has wide applicability, and can be compatible with various models of rice transplanter. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the overall assembly schematic diagram of the utility model;

[0022] Figure 2 is the structure schematic diagram of the utility model;

[0023] Figure 3 is the schematic diagram of the inside of the horizontal adjustment mechanism of the utility model;

[0024] Figure 4 is the side view of the horizontal adjustment mechanism of the utility model;

[0025] Figure 5 is a schematic view of the depth adjusting mechanism of the utility model;

[0026] Figure 6 is a schematic view of the locking mechanism of the utility model;

[0027] Figure 7 is a schematic view of the sliding mechanism of the utility model;

[0028] Figure 8 is a partial structure schematic view of the upper T-shaped clamping groove of the sliding bar and the installation cooperation of the connecting plate one.

[0029] Reference signs:

[0030] 1, crossbeam; 2, guide groove; 3, side plate; 4, bearing end cover one; 5, bearing end cover two; 6, roller bearing; 7, gear shaft; 8, locking gear; 9, locking ring; 10, hinged hole bolt; 11, adjusting handle; 12, gear; 13, rack one; 14, rack two; 15, sliding bar one; 16, sliding bar two; 17, guide rail one; 18, guide rail two; 19, T-shaped clamping groove; 20, connecting plate one; 21, connecting plate two; 22, bolt one; 23, bolt two; 24, connecting plate three; 25, connecting plate four; 26, sliding groove; 27, sliding plate one; 28, sliding plate two; 29, connecting plate five; 30, connecting plate six; 31, sliding plate fixing hole; 32, side plate positioning hole; 33, self-tapping screw; 34, fertilizer applicator; 35, height adjusting hole; 36, fixed plate; 37, fixed pin; 38, fertilizer conveying hose; 39, fertilizer box; 40, support rod; 41, rice transplanter guardrail; 42, rice transplanter box frame. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figures 1-8 ;

[0033] The utility model provides a kind of adjustable row spacing and depth rice transplanter synchronous fertilizer device, including the transplanter box frame 42, the both ends of transplanter box frame 42 are connected with crossbeam 1 by support rod 40, the both sides of crossbeam 1 are all set with guide slot 2, the inside of crossbeam 1 is equipped with horizontal adjusting mechanism, the both ends of horizontal adjusting mechanism are connected with connecting plate one 20, connecting plate two 21, connecting plate three 24 and connecting plate four 25, the side of crossbeam 1 is connected with side plate 3, one side of side plate 3 is symmetrically provided with sliding mechanism, the side of sliding mechanism is fixedly connected with connecting plate five 29 and connecting plate six 30, the bottom of connecting plate one 20, connecting plate two 21, connecting plate three 24, connecting plate four 25, connecting plate five 29 and connecting plate six 30 is equipped with depth adjusting mechanism, the side of depth adjusting mechanism is all connected with fertilizer applicator 34, fertilizer applicator 34 is all connected with fertilizer conveying hose 38, the top of fertilizer conveying hose 38 is all connected with fertilizer box 39, fertilizer box 39 is connected with transplanter body by transplanter guardrail 41, one side of crossbeam 1 is equipped with locking mechanism.

[0034] Further, horizontal adjusting mechanism includes gear shaft 7, adjusting handle 11, gear 12, rack one 13, rack two 14 and T-shaped clamping groove 19, the inside of crossbeam 1 is equipped with gear shaft 7, the one end of gear shaft 7 is fixedly connected with adjusting handle 11 and penetrates crossbeam 1, the surface of gear shaft 7 is connected with friction resistance reduction mechanism, the surface of gear shaft 7 is fixedly connected with gear 12, the tooth surface of rack one 13 and rack two 14 is engaged on the upper and lower surfaces of gear 12, a plurality of T-shaped clamping grooves 19 are formed on rack one 13 and rack two 14, and connecting plate one 20, connecting plate two 21, connecting plate three 24 and connecting plate four 25 are matched with T-shaped clamping groove 19, and friction resistance reduction mechanism includes bearing end cover one 4, bearing end cover two 5 and roller bearing 6, bearing end cover one 4 is installed on the side of crossbeam 1 close to adjusting handle 11, bearing end cover two 5 is installed on side plate 3, roller bearing 6 is installed in the inside of bearing end cover one 4 and bearing end cover two 5, and roller bearing 6 is connected with gear shaft 7.

[0035] Further, sliding mechanism includes sliding groove 26, sliding plate one 27, sliding plate two 28, sliding plate fixing hole 31, side plate positioning hole 32 and self-tapping screw 33, sliding groove 26 is formed on the both sides of side plate 3, sliding plate one 27 and sliding plate two 28 are slidably connected on the surface of sliding groove 26, sliding plate fixing hole 31 is formed on the surface of sliding plate one 27 and sliding plate two 28, a plurality of side plate positioning holes 32 are symmetrically formed on the surface of side plate 3, and sliding plate one 27 and sliding plate two 28 are fixed with side plate 3 through self-tapping screw 33, and self-tapping screw 33 is matched with side plate positioning hole 32 and sliding plate fixing hole 31.

[0036] The inner side of the crossbeam 1 is fixedly connected with guide rail one 17 and guide rail two 18, the inner side of the guide rail one 17 is slidably connected with slide bar one 15, the inner side of the guide rail two 18 is slidably connected with slide bar two 16, the slide bar one 15 is fixedly connected with the rack one 13, the slide bar two 16 is fixedly connected with the rack two 14, the rack one 13 and the rack two 14 are respectively provided with the latch one 22 and the latch two 23.

[0037] By sliding the slide plate one 27 and the slide plate two 28, the slide plate one 27 and the slide plate two 28 drive the fertilizer applicator 34 on the connecting plate five 29 and the connecting plate six 30 to move horizontally, so as to adjust the fertilizer spacing of the middle two rows, secondly adjust the T-shaped clamping groove 19 of different intervals on the rack one 13 inserted by the connecting plate one 20 and the connecting plate two 21, and the position of the connecting plate one 20 and the connecting plate two 21 can be limited by the latch one 22 and no longer move, so as to adjust the fertilizer spacing of the left two rows, thirdly adjust the T-shaped clamping groove 19 of different intervals on the rack two 14 inserted by the connecting plate three 24 and the connecting plate four 25, and the position of the connecting plate three 24 and the connecting plate four 25 can be limited by the latch two 23 and no longer move, so as to adjust the fertilizer spacing of the right two rows, finally rotate the adjusting handle 11, the adjusting handle 11 drives the gear 12 to rotate through the gear shaft 7, the gear 12 meshes with the rack one 13 and the rack two 14 to drive, so that the rack one 13 and the rack two 14 move left and right, the connecting plate one 20 and the connecting plate two 21 move left and right driven by the rack one 13, and then the fertilizer spacing of the fertilizer applicator 34 on the connecting plate one 20 and the connecting plate two 21 and the middle fertilizer applicator 34 is adjusted, the connecting plate three 24 and the connecting plate four 25 move left and right driven by the rack two 14, and then the fertilizer spacing of the fertilizer applicator 34 on the connecting plate three 24 and the connecting plate four 25 and the middle fertilizer applicator 34 is adjusted, so as to realize the fertilizer adjustment of different row spacing.

[0038] The depth adjusting mechanism includes height adjusting holes 35, fixed plates 36 and fixed pins 37, the bottom of the connecting plate one 20, the connecting plate two 21, the connecting plate three 24, the connecting plate four 25, the connecting plate five 29 and the connecting plate six 30 is provided with a plurality of height adjusting holes 35, the surface of the fertilizer applicator 34 is fixedly connected with the fixed plate 36, the fixed plate 36 is connected with the height adjusting hole 35 through the fixed pin 37, by inserting the fixed plate 36 on the fertilizer applicator 34 into different height adjusting holes 35 and fixing by using the fixed pin 37, the height of the fertilizer applicator 34 fixedly connected with the fixed plate 36 is adjusted, so as to realize the fertilizer adjustment of different depth according to different regional soil environment.

[0039] The locking mechanism comprises a locking gear 8, a locking snap ring 9 and a hinge hole bolt 10. The locking gear 8 is fixedly connected to the surface of the gear shaft 7. The locking snap ring 9 is rotatably connected to the lateral beam 1 near the adjusting handle 11 through the hinge hole bolt 10. The locking snap ring 9 is engaged with the locking gear 8. When the adjusting handle 11 is rotated to adjust the fertilization row distance, the locking snap ring 9 is rotated to lock the locking gear 8, thereby preventing the gear 12 from continuing to rotate and preventing the rack one 13 and the rack two 14 from moving.

[0040] In actual application, the distances between the different models of rice transplanter dividing mechanisms are different. The synchronous fertilization device needs to match the positions of the dividing mechanisms to better fertilize the seedlings. Therefore, when applied to different models of rice transplanters, especially wide-narrow row type rice transplanters and row distance adjustable type rice transplanters, the position of the fertilizer applicator 34 needs to be adjusted to match the position of the dividing mechanism. When different fertilization row distances need to be adjusted,

[0041] Firstly, the sliding plate one 27 and the sliding plate two 28 are slid, the sliding plate one 27 and the sliding plate two 28 drive the fertilizer applicators 34 on the connecting plate five 29 and the connecting plate six 30 to move horizontally, thereby adjusting the fertilization distance of the middle two rows;

[0042] Secondly, the connecting plate one 20 and the connecting plate two 21 are adjusted to be inserted into the T-shaped clamping slots 19 on the rack one 13 with different distances, and the position of the connecting plate one 20 and the connecting plate two 21 can be limited by the pin one 22 to prevent further movement, thereby adjusting the fertilization distance of the left two rows;

[0043] Thirdly, the connecting plate three 24 and the connecting plate four 25 are adjusted to be inserted into the T-shaped clamping slots 19 on the rack two 14 with different distances, and the position of the connecting plate three 24 and the connecting plate four 25 can be limited by the pin two 23 to prevent further movement, thereby adjusting the fertilization distance of the right two rows. Finally, the adjusting handle 11 is rotated, the adjusting handle 11 drives the gear 12 to rotate through the gear shaft 7, the gear 12 is engaged with the rack one 13 and the rack two 14 to drive the movement of the rack one 13 and the rack two 14, the rack one 13 drives the connecting plate one 20 and the connecting plate two 21 to move left and right, thereby adjusting the distance between the fertilizer applicators 34 on the connecting plate one 20 and the connecting plate two 21 and the middle fertilizer applicators 34, the rack two 14 drives the connecting plate three 24 and the connecting plate four 25 to move left and right, thereby adjusting the distance between the fertilizer applicators 34 on the connecting plate three 24 and the connecting plate four 25 and the middle fertilizer applicators 34, thereby achieving the adjustment of different row distances.

[0044] When the distance is adjusted, the locking ring 9 is rotated to lock the locking gear 8, so as to prevent the gear 12 from continuing to rotate, and further prevent the rack one 13 and the rack two 14 which are adjusted to the position from moving. When it is necessary to adjust different fertilization depths, the height of the fertilizer applicator 34 fixedly connected with the fixing plate 36 is adjusted by inserting the fixing plate 36 on the fertilizer applicator 34 into different height adjustment holes 35 and fixing by using the fixing pin 37, so as to realize the adjustment of the fertilization depth according to different regional soil environments.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rice transplanter with adjustable row spacing and depth, comprising a transplanter frame (42), characterized in that, The two ends of the rice transplanter frame (42) are connected to a crossbeam (1) by a support rod (40). The upper or lower end face of the two ends of the crossbeam (1) is provided with a horizontally arranged guide groove (2). A horizontal adjustment mechanism is installed in the guide groove (2). A connecting plate for connecting the two sides of the fertilizer applicator is clamped on the rack that guides the horizontal adjustment mechanism. A sliding mechanism is clamped in the middle of the side plate (3) on the front side of the crossbeam (1). The bottom end of the sliding plate of the sliding mechanism is connected to a connecting plate for connecting the middle fertilizer applicator. The bottom end of the connecting plate is connected to the fertilizer applicator through a depth adjustment mechanism. Each fertilizer applicator (34) is connected to a fertilizer delivery hose (38). The top end of each fertilizer delivery hose (38) is connected to the fertilizer box (39) of the rice transplanter.

2. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 1, characterized in that, The guide groove (2) is located at both ends of the crossbeam (1). The guide groove (2) at the left end of the crossbeam (1) is located on the upper end surface, and the guide groove (2) at the right end is located on the lower end surface. The transverse adjustment mechanism includes a rack one (13) that guides and cooperates with the guide groove (2) at the upper end surface of the left end of the crossbeam (1) and a rack two (14) that guides and cooperates with the guide groove (2) at the lower end surface of the right end of the crossbeam (1). A part of the rack one (13) and rack two (14) extends out of the guide groove to form a connecting part, and the connecting part is provided with T-shaped slots (19) for mounting the connecting plate at intervals. The other part is located in the guide groove to form a moving part. The bottom end surface of the moving part is a toothed surface. A slide bar is connected to one side of the moving part. The slide bar guides and cooperates with the guide rail inside the guide groove (2).

3. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 2, characterized in that, The synchronous movement of rack one (13) and rack two (14) is driven by the gear in the middle. The upper and lower end faces of the gear mesh with the tooth surfaces of rack one (13) and rack two (14) respectively. The gear shaft (7) in the middle of the gear is rotatably installed in the middle of the crossbeam (1). One end of the gear shaft (7) passes through the crossbeam (1) and is equipped with an adjusting handle (11). A friction reduction mechanism is also installed on the gear shaft (7).

4. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 3, characterized in that, The friction reduction mechanism includes a bearing end cover one (4), a bearing end cover two (5), and a roller bearing (6). The bearing end cover one (4) is installed on the side of the crossbeam (1) near the adjusting handle (11), and the bearing end cover two (5) is installed on the side plate (3). The bearing end cover one (4) and the bearing end cover two (5) are both equipped with roller bearings (6), and the roller bearings (6) are all connected to the gear shaft (7).

5. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 2, characterized in that, The inner side of the crossbeam (1) is fixedly connected to guide rail one (17) and guide rail two (18). The guide rail one (17) is slidably connected to slide bar one (15), and the guide rail two (18) is slidably connected to slide bar two (16). Slide bar one (15) is fixedly connected to rack one (13), and slide bar two (16) is fixedly connected to rack two (14).

6. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 2, characterized in that, The connecting plate includes a first connecting plate (20) and a second connecting plate (21) that are fastened to the first T-shaped slot (19) of the rack, a third connecting plate (24) and a fourth connecting plate (25) that are fastened to the first T-shaped slot (19) of the rack, and a fifth connecting plate (29) and a sixth connecting plate (30) that are connected and fixed to the bottom end of the sliding plate of the sliding mechanism; the connecting part of the first rack (13) and the second rack (14) is provided with a transverse through hole, and a pin for fixing the connecting plate fastened to the T-shaped slot (19) is inserted into the through hole.

7. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 6, characterized in that, The depth adjustment mechanism includes a height adjustment hole (35), a fixing plate (36), and a fixing pin (37). The bottom of the connecting plate one (20), connecting plate two (21), connecting plate three (24), connecting plate four (25), connecting plate five (29), and connecting plate six (30) are all provided with several height adjustment holes (35). The upper end of the fertilizer applicator (34) is fitted with a fixing plate (36). The fixing plate (36) has a plug on one side that is inserted into the height adjustment hole (35) and is connected to the height adjustment hole (35) through the fixing pin (37).

8. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 1, characterized in that, The sliding mechanism includes a sliding plate one (27) and a sliding plate two (28). The upper and lower end faces of the side plate (3) on the front side of the crossbeam (1) are provided with sliding grooves (26). The upper and lower ends of the sliding plate one (27) and the sliding plate two (28) are provided with guide heads that cooperate with the sliding grooves (26). The surfaces of the sliding plate one (27) and the sliding plate two (28) are provided with sliding plate positioning holes (31). The surface of the side plate (3) is symmetrically provided with several side plate positioning holes (32). The sliding plate one (27) and the sliding plate two (28) are fixed to the side plate (3) by self-tapping screws (33). The self-tapping screws (33) are all matched with the side plate positioning holes (32) and the sliding plate positioning holes (31).

9. The rice transplanter synchronous fertilization device with adjustable row spacing and depth according to claim 3, characterized in that, A locking mechanism is provided on the outer side of the crossbeam (1) at the position of the adjusting handle (11). The locking mechanism includes a locking gear (8), a locking ring (9), and a reamed bolt (10). The locking gear (8) is fixedly connected to the surface of the gear shaft (7). The side of the crossbeam (1) near the adjusting handle (11) is rotatably connected to the locking ring (9) through the reamed bolt (10). The locking ring (9) meshes with the locking gear (8).

Images