CN115343037A - Carousel formula seeding experimental facilities - Google Patents

Abstract

The invention discloses a turntable sowing experimental equipment, which comprises a test frame, a sowing platform is rotatably connected to the test frame, a sowing support bracket is fixedly connected to the test frame above the sowing platform, and a sowing support bracket is connected with a The seeding box is a reciprocating and linearly moving seeding box along the length direction of the seeding support bracket. The moving speed of the seeding box is adjustable, and the lower end of the seeding box is connected with a seed meter; Sowing experiment of the distribution of the seeding device.

Description

A rotary seeding experimental equipment

technical field

The invention relates to the technical field of sowing experiments, in particular to a rotary disk type sowing experiment equipment.

Background technique

The seeder test bench is the main method used in the research and development of the seeder, and it is an indispensable test equipment for the rapid production of a new generation of high-performance seeders. The conventional sowing experiment platform is long and takes up a lot of space. In order to solve the above problems, in the prior art, the name "A Ring Control and Detection Sowing Experiment Platform" is disclosed. The announcement number is CN 216846852 U, and the announcement date is 2022.06 The Chinese utility model patent of .28 includes a fixed component and an experimental component. The fixed component includes a fixed base frame, and a base is fixedly connected to the fixed base; the experimental component includes a ring-shaped support ring fixedly connected to the upper side of the base. The supporting ring is rotatably connected with an experimental plate that can rotate along the inner wall of the supporting ring; the sowing assembly includes an experimental support fixed on the upper side of the fixed chassis, and the experimental support is movably connected with a moving seat, and the moving seat is The seeder is connected, and the moving seat is above the support ring. During the test, the seeder works, and the discharged seeds fall on the test plate, and the seeds distributed on the test plate are used to analyze the seeding situation. Through the setting of the rotatable test plate Replacing the strip-shaped experimental platform, although it solves the technical problem of taking up a large space, it cannot accurately simulate the seeding conditions of the seeder at different travel speeds.

Contents of the invention

The purpose of this section is to outline some aspects of embodiments of the invention and briefly describe some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract and titles of this application, to avoid obscuring the purpose of this section, the abstract and titles, and such simplifications or omissions should not be used to limit the scope of the invention.

In view of the problems mentioned above and/or in the existing sowing experiments, the present invention is proposed.

Therefore, the object of the present invention is to provide a rotary disc sowing experimental equipment, which can accurately simulate the distribution of seeds after the seeds are dropped when the sowing box moves at different speeds.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: a kind of rotary disc sowing experimental equipment, which includes a test frame, a sowing platform is rotatably connected to the test frame, and is fixedly connected to the test frame above the sowing platform. There is a sowing support bracket, the sowing support bracket is connected with a seeding box capable of reciprocating linear movement along the length direction of the sowing support bracket, the moving speed of the seeding box is adjustable, and the lower end of the seeding box is connected with a seeder .

During the experiment, the sowing platform rotates, the seed metering device works, and the seeds discharged from the seed metering device fall to the upper side of the sowing platform to obtain the distribution of the seeds at the same moving speed of the seeding box; when the sowing platform rotates at a certain angle, it is necessary to carry out When the seed box is distributed at different moving speeds, the moving speed of the seeding box is adjusted, and the seeds discharged from the seed meter fall onto the sowing platform, and the distribution of the seeds on the sowing platform at different moving speeds is observed to simulate The seeding experiment of the seeding box at different moving speeds; it can be applied to the seeding experiment work.

In order to realize the movement of the seeding box, a speed adjustment box is fixedly connected to the outside of the sowing support bracket, and a transmission lead screw is rotatably connected to the speed adjustment box, and a driving screw is connected to the side of the seeding box opposite to the transmission screw. nut, the transmission nut is threadedly connected to the transmission screw, and the rotation speed of the transmission screw is adjustable.

In order to realize the speed adjustment of the transmission lead screw, a moving sleeve is slidably connected to the speed adjustment box, and a rotating sleeve is rotatably connected inside the moving sleeve, and a transmission bevel gear is connected to the end of the rotating sleeve protruding out of the moving sleeve. One end of the transmission lead screw extends into the speed adjustment box and is connected with a transmission part. The rotating sleeve can slide along the outside of the transmission part. The outside of the test frame is fixedly connected with a side bracket, which is rotatably connected to There is a connection plate, on which there are several rotatable intermediate bevel gears of different sizes, and any intermediate bevel gear can mesh with the transmission bevel gear; in this design, it is necessary to accurately adjust the transmission bevel gear at a certain When the rotation speed is accurate, turn the connecting plate to make the required intermediate bevel gear rotate to the position where it can mesh with the transmission bevel gear, the connection plate stops rotating, and the moving sleeve moves. Stop moving to realize the adjustment of the transmission ratio of the intermediate bevel gear and the transmission bevel gear, that is, to realize the accurate adjustment of the rotation speed of the transmission screw.

As a further improvement of the present invention, the side bracket is slidably connected with a lifting sleeve capable of reciprocating linear movement in the height direction, the lifting sleeve is rotatably connected with a lifting transmission sleeve, and the intermediate bevel gear The lower end is connected with a conversion shaft protruding downwards out of the connection plate, and the lifting transmission sleeve can just be sleeved on the conversion shaft.

In order to further realize the speed adjustment of the transmission lead screw, when the lifting sleeve moves upward, the transmission bevel gear moves toward the direction of the connecting plate; when the lifting sleeve moves downward, the transmission bevel gear moves toward the speed adjustment box When the lifting transmission sleeve is socketed on a conversion shaft, the transmission bevel gear meshes with the corresponding intermediate bevel gear.

In order to further realize the lifting of the lifting sleeve and the horizontal movement of the transmission bevel gear, a first support seat and a second support seat are fixed on the upper side of the side bracket, and a position adjustment shaft is rotatably connected to the first support seat. The position adjustment shaft is connected with a connecting rod, and the end of the connecting rod far away from the position adjustment shaft is hinged with an intermediate rod, and the end of the intermediate rod far away from the connecting rod is connected with an eccentric connecting shaft, and the eccentric connecting shaft is connected with a crank and A push-pull rod, the second support seat is connected with a support shaft, the crank is rotatably connected to the support shaft, the end of the crank away from the middle rod is hinged with a driven rod, and the end of the driven rod away from the crank is hinged on On the lifting sleeve, the connecting section of the crank and the support shaft is between the connecting section of the crank and the eccentric shaft and the connecting section of the crank and the driven rod; the end of the push-pull rod away from the eccentric shaft is hinged at the lower end of the moving sleeve; In this design, when the position adjustment shaft rotates, the connecting rod rotates, the connecting rod drives the intermediate rod to rotate, the intermediate rod drives the eccentric connecting shaft to rotate, the eccentric connecting shaft drives the crank to rotate around the support shaft, and the crank drives the lifting sleeve vertically through the driven rod. At the same time, the eccentric connecting shaft drives the push-pull rod to swing, and the push-pull rod drives the moving sleeve to move in the horizontal direction. When the transmission bevel gear moves to a suitable position, the position adjustment shaft stops rotating.

In order to further realize the rotation of the position adjustment shaft, a third support base is fixed on the upper side of the side bracket on the side of the first support base away from the second support base, and a driven shaft is rotatably connected to the third support base, The two ends of the driven shaft are respectively connected with a first driven bevel gear and a second driven bevel gear, and the outer end of the third support seat is rotatably connected with a vertically arranged drive shaft, on which A driving bevel gear is connected, and the driving bevel gear meshes with the first driven bevel gear, and a third driven bevel gear meshing with the second driven bevel gear is connected to the position adjustment shaft; in this design, the driving shaft When rotating, the driving shaft drives the position adjustment shaft to rotate through the driving bevel gear, the first driven bevel gear, the driven shaft, the second driven bevel gear and the third driven bevel gear successively.

In order to further realize the rotation of the position adjustment shaft, the drive shaft is connected with a drive disc, the outer periphery of the drive disc is arranged with a number of position adjustment teeth, the connection disc is connected with a rotation shaft, and a transmission gear is connected with the rotation shaft. The position adjustment teeth can mesh with the transmission gear. When the position adjustment teeth are just out of the transmission gear, the conversion shaft is aligned with the lifting transmission sleeve; in this design, when the position adjustment teeth rotate to mesh with the transmission gear, the position adjustment teeth drive the transmission The gear rotates, and the lifting sleeve rises at the same time, and the transmission bevel gear moves towards the direction of the connecting plate. When the conversion shaft is aligned with the lifting conversion sleeve, the position adjustment teeth are separated from the transmission gear, and the driving plate continues to rotate. When the transmission bevel gear and the intermediate bevel gear mesh After that, control the transmission shaft to stop rotating.

In order to further realize the rotation of the sowing platform and the lifting transmission sleeve, the bottom of the test frame is fixedly connected with a drive motor, the drive motor is connected with an output shaft, and the output shaft is connected with a driving bevel gear. A support sleeve is fixedly connected, the sowing platform is rotatably connected in the support sleeve, and a vertical shaft is rotatably connected to the support sleeve, and the end of the vertical shaft protruding upward from the support sleeve is connected with the planting platform, and the vertical shaft is connected There is a rotating bevel gear meshed with the driving bevel gear, the first lower bevel gear is connected to the output shaft protruding from the test frame, the side bracket is rotatably connected to a connecting shaft, and the lower end of the connecting shaft is connected to a The second lower bevel gear meshed with the first lower bevel gear is connected to the connecting shaft with the lifting transmission sleeve, and the lifting transmission sleeve can just slide up and down along the upper part of the connecting shaft.

In order to further realize the rotation of the drive shaft, a position adjustment motor is fixedly connected to the outside of the side bracket, and the drive shaft is connected to the position adjustment motor.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort. in:

Fig. 1 is a three-dimensional structure diagram 1 of the present invention.

FIG. 2 is a partial enlarged view of A in FIG. 1 .

Fig. 3 is the second perspective structure diagram of the present invention.

FIG. 4 is a partial enlarged view of B in FIG. 2 .

Fig. 5 is an internal structure diagram when the moving sleeve is connected to the speed regulating box and the lifting sleeve is connected to the side bracket in the present invention.

FIG. 6 is a partially enlarged view at point C in FIG. 5 .

FIG. 7 is a partially enlarged view at point D in FIG. 5 .

Fig. 8 is a three-dimensional structural diagram of the present invention.

FIG. 9 is a partial enlarged view at E in FIG. 8 .

Fig. 10 is a perspective view four of the present invention.

FIG. 11 is a partially enlarged view at point F in FIG. 10 .

In the figure, 1 support sleeve, 2 sowing platform, 3 side support, 4 seed metering device, 5 sowing box, 6 sowing support bracket, 7 test frame, 8 slide rail, 9 transmission screw, 901 transmission part, 10 rotating support , 11 output shaft, 12 first lower bevel gear, 13 second lower bevel gear, 14 position adjustment motor, 15 rotating shaft, 16 intermediate bevel gear, 17 connection plate, 18 driving motor, 19 driving bevel gear, 20 rotating bevel gear , 21 vertical shaft, 22 connecting shaft, 23 conversion shaft, 24 push-pull rod, 25 transmission bevel gear, 26 first supporting bearing, 27 rotating sleeve, 28 moving sleeve, 29 second supporting bearing, 30 lifting transmission sleeve, 31 lifting sleeve, 32 third support seat, 33 driven shaft, 34 second driven bevel gear, 35 driving disc, 3501 position adjustment teeth, 36 driving bevel gear, 37 intermediate rod, 38 transmission gear, 39 first driven bevel gear, 40 Speed adjustment box, 41 third driven bevel gear, 42 position adjustment shaft, 43 first support seat, 44 connecting rod, 45 driven rod, 46 crank, 47 supporting shaft, 48 eccentric coupling shaft, 49 driving shaft.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

Second, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Example 1

Referring to Fig. 1-Fig. 7, it is the first embodiment of the present invention, this embodiment provides a kind of rotary disc sowing experimental equipment, which can realize the rotation of the sowing platform 2 and the different moving speeds of the sowing box 5, the seed metering device 4 Sowing experiment of seed distribution.

A kind of turntable sowing experimental equipment, which includes a test frame 7, a sowing platform 2 is rotatably connected to the test frame 7, a sowing support bracket 6 is fixedly connected to the test frame 7 above the sowing platform 2, and a sowing support bracket 6 is connected There is a seeding box 5 capable of reciprocating linear movement along the length direction of the sowing support bracket 6, the seeding box 5 is fixedly connected with a slider, and the side of the sowing support bracket 6 opposite to the slider is fixedly connected with a slide rail 8, and the slider can slide Ground is connected on the slide block, and the moving speed of sowing box 5 is adjustable, and the lower end of sowing box 5 is connected with seed meter 4.

In order to further realize line spacing adjustment, a speed adjustment box 40 is fixedly connected to the outside of the seeding support bracket 6, and a transmission screw 9 is rotatably connected to the speed adjustment box 40, and a transmission nut is connected to the side of the seeding box 5 opposite to the transmission screw 9. , the transmission nut is threadedly connected on the transmission screw 9, the rotation speed of the transmission screw 9 is adjustable, the sowing support bracket 6 is also fixedly connected with the rotation support 10, and the transmission screw 9 is rotatably away from one end of the speed regulating box 40 Connected to the swivel support 10.

In order to realize the speed adjustment of the transmission screw 9, the speed adjustment box 40 is slidably connected with a moving sleeve 28, and the inner sides of both ends of the moving sleeve 28 are connected with the first supporting bearing 26, and the moving sleeve 28 is rotatably connected through the first supporting bearing 26. Connected with a rotating sleeve 27, the end of the rotating sleeve 27 protruding from the moving sleeve 28 is connected with a transmission bevel gear 25, and one end of the transmission screw 9 extends into the speed adjustment box 40 and is connected with a transmission part 901, and the rotating sleeve 27 can move along the The outer side of the transmission part 901 slides, and the outer side of the test frame 7 is fixedly connected to the side bracket 3, and the side bracket 3 is rotatably connected to the connection plate 17, and a number of rotatable intermediate bevel gears 16 of different sizes are arranged on the connection plate 17 , any intermediate bevel gear 16 can mesh with the transmission bevel gear 25; the side bracket 3 is slidably connected with a lifting sleeve 31 that can move reciprocatingly in a straight line in the height direction, and the upper and lower ends of the lifting sleeve 31 are connected with the first Two support bearings 29, the lifting sleeve 31 is rotatably connected with the lifting transmission sleeve 30 through the second support bearing 29, and the lower end of the intermediate bevel gear 16 is connected with a conversion shaft 23 extending downwards outside the connection plate 17, and the lifting transmission sleeve 30 can Just socketed on the conversion shaft 23, when the lifting sleeve 31 moves upward, the transmission bevel gear 25 moves toward the direction of the connecting plate 17; when the lifting sleeve 31 moves downward, the transmission bevel gear 25 moves toward the direction of the speed adjustment box 40 ; When the lifting transmission sleeve 30 is sleeved on a conversion shaft 23, the transmission bevel gear 25 meshes with the corresponding intermediate bevel gear 16.

When it is necessary to adjust the rotation speed of the transmission screw 9, the connection plate 17 is rotated to rotate the required intermediate bevel gear 16 to the position where it can mesh with the transmission bevel gear 25, and the connection plate 17 stops rotating. At the same time, the lifting sleeve 31 rises, and the lifting transmission The sleeve 30 is socketed on the conversion shaft 23, the transmission bevel gear 25 moves to fully mesh with the intermediate bevel gear 16, the transmission bevel gear 25 stops moving, the lifting transmission sleeve 30 rotates, the lifting transmission sleeve 30 drives the intermediate bevel gear 16 to rotate, and the intermediate bevel gear 16 rotates. Gear 16 drives transmission bevel gear 25 and rotates, and transmission bevel gear 25 drives transmission lead screw 9 to rotate through rotating cover 27, and transmission lead screw 9 drives sowing box 5 horizontal movement, and the seeding situation of test sowing box 5 under this moving speed, if It is necessary to change the moving speed of the seeding box 5, and then continue to control the rotation of the connecting plate 17, so that the corresponding intermediate bevel gear 16 rotates to the position where it meshes with the transmission bevel gear 25, repeat the above actions, and will not repeat them here; the present invention can accurately realize The speed adjustment of the transmission lead screw 9 is to simulate the seed falling situation of the seed meter 4 at different moving speeds; in addition, the sowing line spacing can also be adjusted to control the rotation period of the transmission lead screw 9, when the seeding box 5 moves to the required position Finally, transmission screw 9 stops rotating, realizes the row spacing adjustment of seeding.

Example 2

Referring to Fig. 8 to Fig. 11, it is the second embodiment of the present invention. This embodiment provides a rotary disc type sowing experimental equipment, which can skillfully realize the adjustment of the moving speed of the seeding box 5.

A kind of rotary disc type seeding experimental equipment, the upper side of the side bracket 3 is fixed with a first support base 43 and a second support base, the first support base 43 is rotatably connected with a position adjustment shaft 42, and the position adjustment shaft 42 is connected with a connecting rod. Rod 44, one end of connecting rod 44 away from position adjustment shaft 42 is hinged with intermediate rod 37, and the end of intermediate rod 37 away from connecting rod 44 is connected with eccentric connecting shaft 48, is connected with crank 46 and push-pull rod 24 on the eccentric connecting shaft 48, the first The two support bases are connected with a support shaft 47, and the crank 46 is rotatably connected to the support shaft 47. The end of the crank 46 away from the middle rod 37 is hinged with a driven rod 45, and the end of the driven rod 45 away from the crank 46 is hinged on the lifting sleeve. 31, the connecting section of crank 46 and support shaft 47 is between the connecting section of crank 46 and eccentric connecting shaft 48 and the connecting section of crank 46 and driven rod 45; The lower end of the cover 28, the downward side of the mobile cover 28 has a sliding connection groove for the push-pull rod 24 to pass through.

When the position adjustment shaft 42 rotates, the connecting rod 44 rotates, the connecting rod 44 drives the intermediate rod 37 to rotate, the intermediate rod 37 drives the eccentric connecting shaft 48 to rotate, the eccentric connecting shaft 48 drives the crank 46 to rotate around the support shaft 47, and the crank 46 is driven The rod 45 drives the lifting sleeve 31 to move vertically, while the eccentric shaft 48 drives the push-pull rod 24 to swing, and the push-pull rod 24 drives the moving sleeve 28 to move in the horizontal direction. When the transmission bevel gear 25 moves to a proper position, the position adjustment shaft 42 stops turn.

In order to further realize the rotation of the position adjustment shaft 42, the upper side of the side bracket 3 on the side of the first support base 43 away from the second support base is fixed with a third support base 32, and the third support base 32 is rotatably connected with a driven shaft. 33. The two ends of the driven shaft 33 are respectively connected with a first driven bevel gear 39 and a second driven bevel gear 34, and the outer end of the third support seat 32 is rotatably connected with a vertically arranged drive shaft 49, and the side bracket 3 The outer side is fixedly connected with the position adjustment motor 14, the driving shaft 49 is connected on the position adjustment motor 14, the driving shaft 49 is connected with the driving bevel gear 36, the driving bevel gear 36 meshes with the first driven bevel gear 39, and the position adjustment shaft 42 The third driven bevel gear 41 meshing with the second driven bevel gear 34 is connected to the top, the driving shaft 49 is connected with the driving disc 35, and the outer circumference of the driving disc 35 is arranged with several position adjustment teeth 3501, and the connecting disc 17 is connected with The rotating shaft 15 is connected with the transmission gear 38, the position adjustment tooth 3501 can mesh with the transmission gear 38, when the position adjustment tooth 3501 just broke away from the transmission gear 38, the conversion shaft 23 is aligned with the lifting transmission sleeve 30.

In this embodiment, six intermediate bevel gears 16 are arranged on the connecting plate 17, and the position adjustment teeth 3501 start to engage with the transmission gear 38 and disengage from the transmission gear 38 each time to complete the position replacement of two adjacent intermediate bevel gears 16. When the driving shaft 49 rotates, the driving shaft 49 drives the position adjustment shaft 42 through the driving bevel gear 36, the first driven bevel gear 39, the driven shaft 33, the second driven bevel gear 34 and the third driven bevel gear 41 successively Rotate, drive driving disc 35 to rotate simultaneously, when position adjustment tooth 3501 rotates to and transmission gear 38 meshes, position adjustment tooth 3501 drives transmission gear 38 to rotate, and transmission gear 38 drives connecting disc 17 to rotate through rotating shaft 15, and driving shaft 49 Drive the connecting rod 44 to rotate (the transmission process has been described above and will not be repeated here), the lifting sleeve 31 rises, and the transmission bevel gear 25 moves toward the direction of the connection plate 17 at the same time, the position adjustment tooth 3501 is separated from the transmission gear 38, and the conversion The shaft 23 is aligned with the lifting conversion sleeve, and the driving disc 35 continues to rotate. When the transmission bevel gear 25 meshes with the intermediate bevel gear 16, the lifting transmission sleeve 30 is socketed on the conversion shaft 23 to control the transmission shaft to stop rotating; if necessary, replace it with a new one The middle bevel gear 16 meshes with the transmission bevel gear 25, continues to control the rotation of the driving shaft 49, the lifting sleeve 31 descends, and the moving sleeve 28 moves away from the connection plate 17. Continue to repeat the above process, so that the new middle bevel gear 16 and the transmission The bevel gear 25 meshes.

In order to further realize the rotation of the sowing platform 2 and the lifting drive sleeve 30, the bottom of the test frame 7 is fixedly connected with a drive motor 18, the drive motor 18 is connected with an output shaft 11, and the output shaft 11 is connected with a driving bevel gear 19. The test frame 7 A support sleeve 1 is fixedly connected to the top, and the sowing platform 2 is rotatably connected in the support sleeve 1. The support sleeve 1 is rotatably connected with a vertical shaft 21, and the vertical shaft 21 extends upwards from one end above the support sleeve 1 to connect with the sowing platform 2. The vertical shaft 21 is connected with the rotating bevel gear 20 meshed with the driving bevel gear 19, the first lower bevel gear 12 is connected on the output shaft 11 extending out of the test frame 7, and the side bracket 3 is rotatably connected with the connecting shaft 22, The lower end of the connecting shaft 22 is connected with the second lower bevel gear 13 meshing with the first lower bevel gear 12, and the connecting shaft 22 is connected with the lifting transmission sleeve 30, and the lifting transmission sleeve 30 can just slide up and down along the top of the connecting shaft 22.

During the rising process of the lifting transmission sleeve 30, the lower part of the lifting transmission sleeve 30 is always socketed on the connecting shaft 22. When working (the lifting transmission sleeve 30 is socketed on the conversion shaft 23, the transmission bevel gear 25 and the intermediate bevel gear 16 mesh) , the driving motor 18 moves, the output shaft 11 rotates, the output shaft 11 drives the driving bevel gear 19 and the first lower bevel gear 12 to rotate, the driving bevel gear 19 drives the vertical shaft 21 to rotate through the rotating bevel gear 20, and the vertical shaft 21 drives the sowing platform 2 to rotate, The seed metering device 4 moves (it is prior art, the seed in the sowing box 5 is automatically discharged onto the sowing platform 2), the first lower bevel gear 12 drives the connecting shaft 22 to rotate through the second lower bevel gear 13, and the connecting shaft 22 Drive the conversion shaft 23 to rotate through the lifting transmission sleeve 30, the conversion shaft 23 drives the corresponding intermediate bevel gear 16 to rotate, the intermediate bevel gear 16 drives the transmission bevel gear 25 to rotate, and the transmission bevel gear 25 drives the transmission screw 9 through the rotation sleeve and the transmission part 901 Rotate, sowing box 5 moves under the effect of transmission lead screw 9, thereby realizes the seeding experiment of sowing box 5 under the moving situation.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be carried out Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (10)

1. A rotary disc type sowing experimental equipment, which comprises a test frame (7), rotatably connected with a sowing platform (2) on the test frame (7), it is characterized in that: the above described sowing platform (2) The test frame (7) is fixedly connected with a sowing support bracket (6), and the sowing support bracket (6) is connected with a seeding box (5) that can move reciprocatingly linearly along the length direction of the sowing support bracket (6). The moving speed of the seeding box (5) is adjustable, and the lower end of the seeding box (5) is connected with a seed meter (4). 2. The rotary disc type sowing experimental equipment according to claim 1, characterized in that: the outer side of the sowing support bracket (6) is fixedly connected with a speed adjustment box (40), and the speed adjustment box (40) is rotatable The ground is connected with a transmission screw (9), and the side of the seeding box (5) opposite to the transmission screw (9) is connected with a transmission nut, and the transmission nut is threaded on the transmission screw (9). The rotational speed of leading screw (9) is adjustable. 3. The rotary disc type sowing experimental equipment according to claim 2, characterized in that: a moving sleeve (28) is slidably connected to the speed adjustment box (40), and a moving sleeve (28) is rotatably connected to the moving sleeve (28). Rotary sleeve (27), one end of the rotating sleeve (27) extending out of the moving sleeve (28) is connected with a transmission bevel gear (25), and one end of the transmission screw (9) stretches into the speed regulating box (40) and A transmission part (901) is connected, and the rotating sleeve (27) can slide along the outside of the transmission part (901), and a side support (3) is fixedly connected to the outside of the test frame (7), and the side support (3) Connecting plate (17) is rotatably connected to the upper plate, and several rotatable intermediate bevel gears (16) of different sizes are arranged on the connecting plate (17). Any intermediate bevel gear (16) can be connected with transmission The bevel gear (25) engages. 4. The turntable type seeding experimental equipment as claimed in claim 3, characterized in that: said side bracket (3) is slidably connected with a lifting sleeve (31) capable of reciprocating linear movement in the height direction, said A lifting transmission sleeve (30) is rotatably connected in the lifting sleeve (31), and the lower end of the intermediate bevel gear (16) is connected with a conversion shaft (23) protruding downwards outside the connection plate (17). The drive sleeve (30) can just be socketed on the conversion shaft (23). 5. The rotary disc type sowing experimental equipment according to claim 4, characterized in that: when the lifting sleeve (31) moves upward, the transmission bevel gear (25) moves toward the direction where the connecting plate (17) is located; When the lifting sleeve (31) moves downward, the transmission bevel gear (25) moves towards the direction of the speed adjustment box (40); , the transmission bevel gear (25) meshes with the corresponding intermediate bevel gear (16). 6. The rotary disc type sowing experimental equipment according to claim 5, characterized in that: the upper side of the side support (3) is fixed with a first support base (43) and a second support base, and the first support base ( 43) is rotatably connected with a position adjustment shaft (42), the position adjustment shaft (42) is connected with a connecting rod (44), and one end of the connecting rod (44) away from the position adjustment shaft (42) is hinged with a An intermediate rod (37), the end of the intermediate rod (37) away from the connecting rod (44) is connected with an eccentric connecting shaft (48), and the crank (46) and the push-pull rod (24) are connected on the eccentric connecting shaft (48) ), the second support base is connected with a support shaft (47), the crank (46) is rotatably connected to the support shaft (47), and the end of the crank (46) away from the middle rod (37) is hinged with a A driving rod (45), the end of the driven rod (45) away from the crank (46) is hinged on the lifting sleeve (31), and the connecting section of the crank (46) and the support shaft (47) is at the crank (46) and between the connecting section of the eccentric shaft (48) and the connecting section of the crank (46) and the driven rod (45); the end of the push-pull rod (24) away from the eccentric shaft (48) is hinged on the moving sleeve (28 ) lower end. 7. The rotary disc type sowing experimental equipment according to claim 6, characterized in that: the upper side of the side bracket (3) on the side of the first support base (43) away from the second support base is fixed with a third support base ( 32), the third supporting seat (32) is rotatably connected with a driven shaft (33), and the two ends of the driven shaft (33) are respectively connected with the first driven bevel gear (39) and the second Two driven bevel gears (34), the outer end of the third support base (32) is rotatably connected with a vertically arranged drive shaft (49), and the drive shaft (49) is connected with a drive bevel gear (36) ), the driving bevel gear (36) is meshed with the first driven bevel gear (39), and the third driven bevel gear (34) meshed with the second driven bevel gear (34) is connected on the position adjustment shaft (42) gear (41). 8. The rotary disc type sowing experimental equipment according to claim 7, characterized in that: the driving shaft (49) is connected with a driving disc (35), and the outer circumference of the driving disc (35) is arranged with a number of position adjustment teeth (3501), the connecting disc (17) is connected with a rotating shaft (15), the rotating shaft (15) is connected with a transmission gear (38), and the position adjustment teeth (3501) can mesh with the transmission gear (38) , when the position adjustment tooth (3501) starts to mesh with the transmission gear (38), the lifting sleeve (31) starts to rise; the position adjustment tooth (3501) leaves the transmission gear (38); when the position adjustment tooth (3501) just leaves the transmission gear (38), the conversion shaft (23) is aimed at the lifting drive sleeve (30). 9. The rotary disc type sowing experimental equipment according to any one of claims 4 to 8, characterized in that: the lower part of the test frame (7) is fixedly connected with a drive motor (18), and the drive motor (18) is Connected with an output shaft (11), the output shaft (11) is connected with a driving bevel gear (19), the test frame (7) is fixedly connected with a support sleeve (1), and the sowing platform (2) can be Rotately connected in the support sleeve (1), the support sleeve (1) is rotatably connected with a vertical shaft (21), and the vertical shaft (21) extends upwards from one end above the support sleeve (1) and the sowing platform ( 2) connection, the vertical shaft (21) is connected with the rotating bevel gear (20) meshing with the driving bevel gear (19), and the output shaft (11) extending out of the test stand (7) is connected with the first lower bevel gear ( 12), the side bracket (3) is rotatably connected with a connecting shaft (22), and the lower end of the connecting shaft (22) is connected with a second lower bevel gear (12) engaged with the first lower bevel gear (12) 13), the connecting shaft (22) is connected with the lifting transmission sleeve (30), and the lifting transmission sleeve (30) can just slide up and down along the top of the connecting shaft (22). 10. The turntable type sowing experimental equipment according to claim 8, characterized in that: a position adjustment motor (14) is fixedly connected to the outside of the side bracket (3), and the drive shaft (49) is connected to the position adjustment motor ( 14) on.

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