CN105612841A - Profiling ditching pressing device - Google Patents

Abstract

The invention discloses a profiling ditching and suppressing device, which comprises a fixed card seat, a profiling mechanism spring, a profiling mechanism, a suppressing spring, a ditching soil covering device, a suppressing fixing frame and a suppressing mechanism. The profiling ditching and suppressing device is fixed on the seeder through a fixed bracket. The spring of the profiling mechanism and the four-link profiling mechanism control the up and down floating of the ditching soil covering device. The supporting ribs and discs of the ditching soil covering device It floats with the change of the surface shape and adjusts the sowing depth in real time. The profiling ditching and suppressing device can realize the profiling of the ditching and suppressing device with the change of the ground surface and maintain a certain sowing depth in real time, improve the uniformity and stability of the sowing depth, and complete the operation processes of ditching, seed introduction, soil covering and suppression. Modular design is adopted, the whole is connected by pins, the structure is simple, easy to adjust, install and disassemble, and the work is reliable.

Description

Profiled ditching suppression device

technical field

The invention relates to the technical field of crop sowing equipment, in particular to a profiling ditching and suppressing device.

Background technique

Sowing is the first step in oilseeds and food crops such as rape and wheat. The quality of sowing significantly affects the quality of seedling emergence, thus determining the crop population structure and yield. Precision sowing is an important sowing method that saves costs and increases efficiency. Its purpose is to send seeds to positions suitable for germination at equal intervals. Therefore, the emergence effect is not only closely related to the structure of the seed meter, but also affected by the environment in which the seeds are located. The depth of trenching is a key factor affecting the seed environment. Its conditions include soil moisture, nutrients and air, which determine the uniformity of seed emergence and seedling growth. The existing double-disk opener has the characteristics of simple structure, good ditching and soil covering, and good rowability, and is used as an important soil part of the seeder to provide good conditions for seed implantation. However, in the actual sowing process of agriculture, when the field surface is uneven and the land has a slope, etc., the sowing depth of different rows is quite different, resulting in inconsistent emergence time; or the sowing depth of some rows is too large to cause normal emergence. , thereby affecting crop yield. The existing ditching device is difficult to ensure the stability and uniformity of the sowing depth, and at the same time, it is difficult to adapt to the different needs of rape, wheat and other crops for suppression.

Contents of the invention

In order to solve the above technical problems, the present invention is realized through the following technical solutions:

The present invention comprises a fixed card seat, a profiling mechanism spring and a suppressing spring. A profiling mechanism is hinged on the fixed card seat, and a ditching soil covering device is hinged on the profiling mechanism. One end of the profiling mechanism spring is fixed on On the profiling mechanism, the other end of the spring of the profiling mechanism is fixed on the ditching and earth covering device, and a suppression fixing frame is hinged behind the ditching and soil covering device, and a suppression mechanism is fixed on the suppression fixing frame, and the suppression spring One end of the spring is fixed on the suppressing fixed frame, and the other end of the suppressing spring is fixed on the ditching soil covering device.

The present invention has the following beneficial effects:

1. The invention can realize the profiling of the ditching and suppressing device with the change of the ground surface and maintain a certain sowing depth in real time, and complete the operation processes of ditching, seed introduction, soil covering and suppression, with simple structure and reliable working performance.

2. The present invention adopts a four-link profiling structure and supporting ribs to jointly control the sowing depth, effectively improving the uniformity and stability of the sowing depth, and reducing the influence of field conditions on the sowing depth.

3. The present invention adopts a modular design, and is connected by pins as a whole. It is possible to choose whether to use the suppression method according to the agricultural requirements. The structure is simple, easy to adjust, install, and disassemble, and the work is reliable.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the ditching soil covering device of the present invention.

Fig. 3 is a schematic diagram of the left side view of the invented ditching soil covering device.

Fig. 4 is a schematic diagram of the suppression device of the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

A profiling ditching suppressing device, comprising a fixed card base 1, a profiling mechanism spring 2 and a suppressing spring 4, the fixed card base 1 is hinged with a profiling mechanism 3, and the profiling mechanism 3 is hinged with a ditching Soil-covering device 5, one end of the profiling mechanism spring 2 is fixed on the profiling mechanism 3, the other end of the profiling mechanism spring 2 is fixed on the ditching soil-covering device 5, and the profiling mechanism spring 2 regulates ditching The pre-tightening force of the soil covering device 5, said ditching soil covering device 5 is hinged with a suppressing fixed frame 6, the suppressing fixed frame 6 is fixed with a suppressing mechanism 7, and one end of the suppressing spring 4 is fixed on the suppressing fixed frame 6 , the other end of the suppressing spring 4 is fixed on the ditching soil covering device 5, and the suppressing spring 4 adjusts the position of the suppressing fixture 6 so as to adjust the contact force between the suppressing mechanism 7 and the ground.

The fixed card base 1 includes a longitudinal fixing plate 12, one side of the longitudinal fixing plate 12 is welded with a transverse upper fixing plate 11 and a transverse lower fixing plate 13, and the transverse upper fixing plate 11 and the transverse lower fixing plate 13 are parallel to each other , the fixed bracket 1 of the groove formed by the horizontally upper fixed plate 11, the horizontally lower fixed plate 13 and the longitudinal fixed plate 12 makes the profiling ditching and suppressing device fixed on the planter as an independent unit, and the horizontally There are through holes for fixing screws on the fixed plate 11 and the horizontal lower fixed plate 13, the other side of the longitudinal fixed plate 12 is equipped with a lower rod fixed ring 14 and an upper link fixed ring 15, and the fixed clip 1 passes through the lower The tie rod fixing ring 14 and the upper link fixing ring 15 are connected with the profiling mechanism 3 .

The ditching soil covering device 5 includes a longitudinal support beam 52 and an outer support seat 54, the upper middle of the longitudinal support beam 52 is fixed with a support beam fixing bracket 53, and the support beam fixing bracket 53 is sleeved on the longitudinal support beam 52 , the outer support base 54 is sleeved on the support beam fixing bracket 53, thereby supporting the ditching soil covering device 5 and controlling the position of the ditching soil covering device 5, a pull rod fixing ring 51 is welded on one side of the outer support base 54, The other side of the outer support seat 54 is welded with a suppressing spring fixing ring 55, the profiling mechanism 3 is connected with the ditching soil covering device 5 through the pull rod fixing ring 51, and the suppressing spring 4 is connected with the opening and closing device through the suppressing spring fixing ring 55. The ditch covering device 5 is connected, the bottom end of the longitudinal support beam 52 is connected with a disc shaft 511, and discs 57 are installed on both sides of the disc shaft 511, and 8 support ribs 58 are evenly distributed on the disc 57, The outer diameter of the disc 57 is 300 mm, and the distance between the installation position of the support rib 58 and the outer diameter of the disc 57 is 20 mm, so that the disc 57 enters the soil and rotates to ditch. The disc 57 is supported by ground contact, so that the ditching depth of the disc 57 is maintained at about 20mm. A shield 59 is installed on the top of the disc 57, and the guard 59 is fixed on the longitudinal support beam 52. A seed introduction interface 56 is installed on the shield 59, and a seed introduction pipe 510 is connected to the lower end of the seed introduction interface 56, so that the seeds are transported to the seed ditch opened by the disc 57, and the support ribs 58 change with the change of the ground surface. Change, so that the support beam fixing bracket 53 moves up and down along the outer support base 54, so as to realize profiling ditching and ensure the consistency of ditching depth.

The profiling mechanism 3 includes an upper link 31 and a lower link 32, one end of the upper link 31 is connected to the upper link fixing ring 15, and the other end of the upper link 31 is hinged on the pull bar through a fixing pin 33. On the fixing ring 51, one end of the lower link 32 is hinged on the lower link fixing ring 14, and the other end of the lower link 32 is hinged on the longitudinal support beam 52. The upper link 31, the lower link 32, the longitudinal support beam 52 and the longitudinal fixed plate 12 form a four-bar linkage mechanism, the longitudinal fixed plate 12 is a fixed point, the upper link 31 and the lower rod 32 support the longitudinal support beam 52 to carry out the profiling movement up and down, and one end of the profiling mechanism spring 2 is fixed On the upper link 31 , the other end of the profiling mechanism spring 2 is fixed on the longitudinal support beam 52 .

The suppression fixing frame 6 includes a suppression fixing rod 61, one end of the suppression fixing rod 61 is connected with the suppression wheel support frame 63, and the other end of the suppression fixing rod 61 is hinged on the longitudinal support beam 52, and the suppression and fixing rod 61 is 61 is installed with a suppressing spring fixed ring 62, the suppressing mechanism 7 includes a suppressing rotating shaft 72, the suppressing rotating shaft 72 passes through the suppressing wheel 73, and the locking nut 71 fixes the suppressing wheel support frame 63 on the suppressing rotating shaft 72 , one end of the pressing spring 4 is fixed on the pressing spring fixing ring 62 , and the other end of the pressing spring 4 is fixed on the pressing spring fixing ring 55 . The suppressing fixed pull rod 61 is hinged on the longitudinal support beam 52 to realize the profiling of the suppressing wheel 73 with the ground surface, and at the same time, the compacting spring 4 adjusts the tightness of the suppressing mechanism 7 .

The working principle of the present invention is as follows: when sowing, fix the fixed deck 1 of the profiling ditching and suppressing device on the seeder, and fix the seed delivery pipe on the seed guide interface 56 . The 8 support ribs 58 on the disc 57 are supported on the ground surface, and the disc 57 is embedded in the soil by 20 mm under the action of gravity, thereby driving the longitudinal support beam 52 and the support beam fixing bracket 53 to move along the outer support seat 54. The four-bar linkage mechanism formed by the connecting rod 31, the lower rod 32, the longitudinal support beam 52 and the longitudinal fixed plate 12 positions the disc 57, and the profiling mechanism spring 2 provides a downward pulling force to the longitudinal support beam 52, so that the disc 57 is positioned. 57 is kept under a certain preload to achieve consistent ditching depth. The pressing wheel 73 suppresses the seed ditch opened by the disk 57 by its own gravity, and the pressing spring 4 adjusts the pulling force of the pressing mechanism 7, thereby also realizing single-row profiling pressing. When the planter moves forward, the support ribs 58 move up and down with the undulation of the ground surface, thereby supporting the disc 57 to float up and down, thereby ensuring that the sowing depth is maintained at 20mm, and the support ribs 58 and the disc 57 rotate to open the sowing depth stable seed ditch. Under the combined action of the profiling mechanism 3 and the profiling mechanism spring 2, the supporting ribs 58 and the disk 57 are changed in real time according to the undulation of the ground surface. The seed delivery pipe transports the seeds to the seed introduction pipe 510 through the seed introduction interface 56, and the seeds fall into the kind ditch opened by the disc 57. If it is necessary to suppress when sowing wheat, the suppressing spring 4, the suppressing fixed frame 6 and the suppressing mechanism 7 are installed on the ditching soil covering device 5, and the profiling ditching and suppressing device drives the suppressing mechanism 7 to roll forward through the suppressing fixed frame 6 , At the same time, under the action of the pressing spring 4, the pressing depth of the pressing mechanism 7 can be controlled.

The working process of the profiling ditching and suppressing device is as follows: fix the seed delivery pipe to the seed introduction interface—the seeder advances—the support rib and the disc rotate to ditch—the ditching and soil covering device follows the ground surface—the seed introduction pipe Casting seeds—repressive agencies suppress.

The specific implementation effect of the work of the present invention: the profiling ditching and suppressing device solved by the present invention can realize the profiling of the ditching and suppressing device with the change of the ground surface and maintain a certain sowing depth in real time, and complete ditching, seed introduction, soil covering and suppression, etc. job process. The invention adopts the method of joint control of the sowing depth with the four-link profiling structure and the support teeth, effectively improves the uniformity and stability of the sowing depth, and reduces the influence of field working conditions on the sowing depth. The present invention adopts a modular design and is connected by pins as a whole. It can be selected whether to adopt the suppression method according to the agronomic requirements. It has a simple structure, is convenient for adjustment, installation and disassembly, and works reliably. The profiling ditching and suppressing device realizes the adjustment of the sowing depth according to the change of the ground surface, maintains the sowing depth at about 20mm, and can effectively improve the sowing depth uniformity and the sowing depth stability of each row diameter. The structure and implementation effect of the profiling structure and implementation effect of the corresponding four-bar link mechanism profiling of the supporting ribs and discs adopted by the profiling ditching and suppressing device have obvious innovation and remarkable advantages.

Claims (7)

1. a profiling ditching suppression device, comprise Fixing clamp-seat (1), profiling mechanism spring (2) and suppression spring (4), it is characterized in that: described Fixing clamp-seat (1) is hinged with profiling mechanism (3), described profiling mechanism (3) is hinged with trench digging covering device (5), one end of described profiling mechanism spring (2) is fixed in profiling mechanism (3), the other end of described profiling mechanism spring (2) is fixed on trench digging covering device (5), suppression anchor (6) it is hinged with after described trench digging covering device (5), described suppression anchor (6) is fixed with suppression mechanism (7), one end of described suppression spring (4) is fixed in suppression anchor (6), the other end of described suppression spring (4) is fixed on trench digging covering device (5).

2. profiling ditching according to claim 1 suppression device, it is characterized in that: described Fixing clamp-seat (1) comprises longitudinal retaining plate (12), the side of described longitudinal retaining plate (12) is welded with transversely retaining plate (11) and laterally lower retaining plate (13), described transversely retaining plate (11) and laterally lower retaining plate (13) are parallel to each other, another side of described longitudinal retaining plate (12) is provided with lower link set collar (14) and upper connecting rod set collar (15), described Fixing clamp-seat (1) is connected with profiling mechanism (3) by lower link set collar (14) and upper connecting rod set collar (15).

3. profiling ditching according to claim 1 suppression device, it is characterized in that: described trench digging covering device (5) comprises longitudinal support beam (52) and outer support seat (54), the upper middle part of described longitudinal support beam (52) is fixed with supporting beam Fixing clamp-seat (53), described outer support seat (54) is enclosed within supporting beam Fixing clamp-seat (53), the side of described outer support seat (54) is welded with pull bar set collar (51), another side of described outer support seat (54) is welded with suppression spring set collar (55), described profiling mechanism (3) is connected with trench digging covering device (5) by pull bar set collar (51), described suppression spring (4) is connected with trench digging covering device (5) by suppression spring set collar (55), described longitudinal support beam (52) bottom is connected with disc shaft (511), described disc shaft (511) both sides are provided with disk (57), described disk (57) is evenly distributed with 8 and supports muscle (58), described disk (57) top is furnished with guard shield (59), described guard shield (59) is fixed on longitudinal support beam (52), described guard shield (59) is provided with and leads kind of an interface (56), described kind of an interface (56) lower end of leading is connected with grain conductor (510).

4. profiling ditching according to claim 3 suppression device, it is characterised in that: the external diameter of described disk (57) is 300mm, and the distance between described support muscle (58) and disk (57) external diameter is 20mm.

5. profiling ditching according to claim 3 suppression device, it is characterized in that: described profiling mechanism (3) comprises connecting rod (31) and lower link (32), one end of described upper connecting rod (31) is connected on connecting rod set collar (15), the other end of described upper connecting rod (31) is hinged on pull bar set collar (51) by tumbler pin (33), one end of described lower link (32) is hinged on lower link set collar (14), the other end of described lower link (32) is hinged on longitudinal support beam (52), described upper connecting rod (31), lower link (32), longitudinal support beam (52) and longitudinal retaining plate (12) form four-bar mechanism, one end of described profiling mechanism spring (2) is fixed on connecting rod (31), the other end of described profiling mechanism spring (2) is fixed on longitudinal support beam (52).

6. profiling ditching according to claim 3 suppression device, it is characterized in that: described suppression anchor (6) comprises the fixing pull bar (61) of suppression, one end that pull bar (61) is fixed in described suppression is connected with suppression wheeling supporting frame (63), the other end that pull bar (61) is fixed in described suppression is hinged on longitudinal support beam (52), and described suppression is fixed and is provided with suppression spring fixed ring (62) on pull bar (61).

7. profiling ditching according to claim 6 suppression device, it is characterized in that: described suppression mechanism (7) comprises suppression rotation axis (72), described suppression rotation axis (72) is through suppression wheel (73), described set nut (71) will be suppressed wheeling supporting frame (63) and will be fixed in suppression rotation axis (72), one end of described suppression spring (4) is fixed in suppression spring fixed ring (62), and the other end of described suppression spring (4) is fixed in suppression spring set collar (55).