CN112088627A - A power transmission device of a direct seeding machine for the male parent and the female parent for hybrid rice seed production - Google Patents

Abstract

The invention discloses a power transmission device of a male parent transplanting female parent direct sowing machine for hybrid rice seed production, which comprises a power transmission mechanism, a main rotating shaft and a plant spacing adjusting mechanism, wherein the power transmission mechanism is connected with the main rotating shaft through a gear transmission mechanism, the main rotating shaft is connected with the female parent direct sowing mechanism through a first transmission mechanism, the main rotating shaft is connected with a plant spacing power input end of the plant spacing adjusting mechanism through a second transmission mechanism, and a plant spacing power output end of the plant spacing adjusting mechanism is connected with a male parent transplanting mechanism. The invention realizes the synchronous mechanized operation of the male parent and the female parent in the process of seeding and planting the hybrid rice seed production, solves the parent combination with the transplanting and sowing period of the male parent and the female parent of 10 to 25 days, determines the mechanized seed production mode of direct seeding of the male parent and the female parent, reduces the production cost required by the seedling raising link, and simultaneously, the male parent and the female parent can be synchronously sowed and planted, thereby greatly simplifying the seed production process, improving the seed production efficiency, saving labor and time.

Description

A power transmission device of a direct seeding machine for the male parent and the female parent for hybrid rice seed production

technical field

The invention relates to the technical field of agricultural machinery transmission, in particular to a hybrid rice seed production and planting machinery power transmission device.

Background technique

Rice is the largest food crop in China. The annual rice planting area is about 30 million hm ² , of which hybrid rice planting area accounts for about 57%. In the process of hybrid rice seed production, there is a certain sowing period between the male parent and the female parent. At present, artificial seed production is generally adopted in domestic hybrid rice seed production. , the efficiency is low, and it is difficult to transplant in time. In addition, the labor cost in rural areas has increased significantly, and the cost of seed production has greatly increased, restricting the development of hybrid rice. There are different sowing periods between male and female parents in hybrid rice seed production. There are many factors that affect the flowering period of male and female parents, and the proportion of parental sowing in different parental varieties and different regions is inconsistent, which makes hybrid rice mechanized seed production. brought difficulties. In addition, some domestic research institutes have also conducted research on the direct seeding technology of parent water.

To sum up, there has not been a planting mechanical power transmission device that can simultaneously complete the male and female parents with the sowing period.

SUMMARY OF THE INVENTION

In view of the technical problems existing in the prior art, the purpose of the present invention is to: provide a power transmission device for a direct seeding machine for the male parent and the female parent of hybrid rice seed production, to solve the parental combination with a sowing difference period of 10-25 days, and to determine The mechanized seed production method of direct seeding of the male parent and the female parent is adopted to accurately control the planting time of the male parent and the female parent, and improve the efficiency of seed production.

In order to achieve the above object, the present invention adopts the following technical solutions:

A power transmission device of a hybrid rice seed production male parent seedling transplanting female parent direct seeding machine, comprising a power transmission mechanism, a main rotating shaft and a plant spacing adjustment mechanism, the power transmission mechanism is connected with the main rotating shaft through a gear transmission mechanism, and the main rotating shaft is driven by a first transmission mechanism. The mechanism is connected with the female parent planting mechanism, the main rotating shaft is connected with the power input end of the plant spacing adjustment mechanism through the second transmission mechanism, and the power output end of the plant spacing adjustment mechanism is connected with the male parent rice transplanting mechanism.

Preferably, the power transmission mechanism includes a power gearbox, the power gearbox includes a power input shaft, a power output shaft, a driving bevel gear and a driven bevel gear, one end of the power input shaft is connected to a power source, and the power The other end of the input shaft is connected with the drive bevel gear, the drive bevel gear meshes with the driven bevel gear, the driven bevel gear is connected with one end of the power output shaft, and the other end of the power output shaft is connected with the gear transmission mechanism.

Preferably, the plant distance adjustment mechanism includes a plant distance input shaft, a slip gear set, a first bushing gear set, a second bushing gear set, a clutch, an engaging gear, an adjusting shaft and a plant distance output shaft, the plant distance input shaft is connected to The second transmission mechanism is connected, the sliding gear set and the first bushing gear set are both connected with the plant spacing output shaft, and the first bushing gear set is meshed with the engaging gear, the engaging gear is mounted on the adjusting shaft, this The adjusting shaft is connected with one end of the plant spacing output shaft through the clutch, the second bushing gear is mounted on the other end of the plant spacing output shaft, and the second bushing gear meshes with the sliding gear set.

Preferably, the first transmission mechanism includes a first chain, a first drive sprocket and a first driven sprocket, the first drive sprocket is installed on the main shaft, and the first driven sprocket is installed on the main shaft At the input end, the first driving sprocket and the first driven sprocket are connected by a first chain.

Preferably, the first transmission mechanism includes a first belt, a first driving pulley and a first driven pulley, the first driving pulley is installed on the main rotating shaft, the first driven pulley is installed on the input end of the female drive mechanism, and the first driving pulley is installed on the main rotating shaft. A driving pulley and the first driven pulley are connected by a first belt.

Preferably, the second transmission mechanism includes a second chain, a second drive sprocket and a second driven sprocket, the second drive sprocket is mounted on the main rotating shaft, and the second driven sprocket is mounted on the main drive mechanism At the input end, the second driving sprocket and the second driven sprocket are connected by a second chain.

Preferably, the second transmission mechanism includes a second belt, a second driving pulley and a second driven pulley, the second driving pulley is installed on the main rotating shaft, the second driven pulley is installed on the input end of the female drive mechanism, and the second driving pulley is installed on the main shaft. The two driving pulleys and the second driven pulley are connected by a second belt.

Preferably, the gear transmission mechanism includes a driving gear and a driven gear, the driving gear is connected with the output end of the power transmission mechanism, the driven gear is connected with the main shaft, and the driving gear is meshed with the driven gear.

The present invention has the following advantages and beneficial effects relative to the prior art:

1. The present invention determines the mechanized seed production method that adopts the direct seeding method of the male parent and the female parent through a kind of power transmission device of the hybrid rice seed production male parent planting plant direct seeding machine, which can simultaneously control the parent parent plant to synchronously sow and insert, which greatly simplifies Seed production process, improve seed production efficiency, save labor and time.

2. The present invention realizes the mechanization synchronously of the male parent seedling transplanting of the hybrid rice seed production and the direct seeding of the female parent rice seed through the power transmission device of the direct seeding machine of the male parent and the female parent of the hybrid rice seed production, thereby effectively improving the seed production efficiency. The distance adjustment between the male parent plant spacing and the female parent planting hole spacing is realized to meet the needs of different seed production densities.

3. The present invention adopts a power transmission device of a hybrid rice seed production male parent seedling transplanting female parent direct seeding machine, which has a simple structure, convenient maintenance and operation.

Description of drawings

Fig. 1 is the schematic diagram of the power transmission device of a kind of hybrid rice seed production male parent seedling transplanting female parent direct seeding machine of the present invention

Figure 2 is a schematic diagram of the power transmission mechanism of the present invention

Fig. 3 is the schematic diagram of the plant spacing adjustment mechanism of the present invention

Fig. 4 is the schematic diagram of the parent live broadcast mechanism of the present invention

Fig. 5 is the schematic diagram of the male parent rice transplanting mechanism of the present invention

Among them, 1 is the power transmission mechanism, 101 is the power gearbox, 102 is the driving bevel gear, 103 is the passive bevel gear, 104 is the power input shaft, 105 is the power output shaft, 106 is the driving gear, 107 is the driven gear, 108 is the first driving sprocket, 109 is the first driven sprocket, 110 is the first chain, 111 is the second driving sprocket, 112 is the second driven sprocket, 113 is the second chain, 2 is the main shaft, 3 is the plant spacing adjusting mechanism, 301 is the plant spacing input shaft, 302 is the plant spacing output shaft, 303 is the clutch, 304 is the slip gear set, 305 is the first bushing gear set, 306 is the second bushing gear set, 307 is the engaging gear, 308 In order to adjust the shaft, 4 is the direct seeding mechanism of the female parent, 401 is the seed metering shaft, 402 is the shaft sleeve, 403 is the seed metering device, 5 is the male parent rice transplanting mechanism, 501 is the male parent seedling transplanting input shaft, 502 is the lateral box shifting mechanism, 503 is the third driving sprocket, 504 is the third driven sprocket, 505 is the first shaft of the male parent, 506 is the fourth driving sprocket of the male parent, 507 is the fourth driven sprocket of the male parent, 508 is the male parent The second rotating shaft, 509 is the planting arm, and 510 is the vertical seedling feeding mechanism.

Detailed ways

The purpose of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments cannot be repeated here, but the embodiments of the present invention are not limited to the following embodiments.

implement one

As shown in Figure 1, a kind of power transmission device of a hybrid rice seed production male parent seedling transplanting female parent direct seeding machine, comprises a power transmission mechanism, a main rotating shaft and a plant spacing adjustment mechanism, and the power transmission mechanism is connected with the main rotating shaft through a gear transmission mechanism, and the described The main rotating shaft is connected with the female parent planting mechanism through the first transmission mechanism, the main rotating shaft is connected with the power input end of the plant spacing adjustment mechanism through the second transmission mechanism, and the power output end of the plant spacing adjustment mechanism is connected with the male parent planting mechanism. The first transmission mechanism provides power for the female planting mechanism through the main rotating shaft, and the second transmission mechanism provides power for the plant spacing adjustment gearbox through the main rotating shaft. Operation, the plant spacing adjustment gearbox controls the operation rate of the male parent's transplanting and planting to meet the needs of different seed production densities.

As shown in Figure 2, the power transmission mechanism includes a power gearbox, the power gearbox includes a power input shaft, a power output shaft, a driving bevel gear and a passive bevel gear, and one end of the power input shaft is connected to the power source, The other end of the power input shaft is connected with the driving bevel gear, the driving bevel gear is meshed with the passive bevel gear, the passive bevel gear is connected with one end of the power output shaft, and the driven bevel gear provides power for the power output shaft. The bevel gear meshes with the driven bevel gear to form a transmission ratio, and changes the direction and speed of the power transmission of the power take-off shaft. The other end of the power output shaft is connected with a gear transmission mechanism, and the gear transmission mechanism provides power for the main rotating shaft.

The power gearbox is connected with a gear transmission mechanism, the gear transmission mechanism is connected with one end of the main rotating shaft, the first transmission mechanism and the second transmission mechanism are connected with the other end of the main rotating shaft, and the first transmission mechanism is connected with the female power transmission mechanism. The second transmission mechanism is connected with the input shaft of the plant spacing adjusting mechanism, and the power output end of the plant spacing adjusting gearbox is connected with the male seedling transplanting mechanism. The plant spacing adjusting gearbox controls the operating speed of the male seedling transplanting mechanism. The first transmission mechanism includes a first chain, a first drive sprocket and a first driven sprocket, the first drive sprocket is mounted on the main shaft, and the first driven sprocket is mounted on the input end of the female drive mechanism, The first drive sprocket and the first driven sprocket are connected by a first chain, and the first drive sprocket drives the first driven sprocket to rotate through the first chain. The second transmission mechanism comprises a second chain, a second drive sprocket and a second driven sprocket, the second drive sprocket is installed on the main rotating shaft, and the second driven sprocket is installed at the power input end of the plant spacing adjustment mechanism, The second drive sprocket and the second driven sprocket are connected by a second chain, and the second drive sprocket drives the second driven sprocket to rotate through the second chain. The gear transmission mechanism includes a driving gear and a driven gear, the driving gear is connected with the output end of the power transmission mechanism, the driven gear is connected with the main shaft, the driving gear is meshed with the driven gear, and the driving gear is connected with the slave through the driving gear. The meshing of the moving gear drives the main shaft to rotate.

As shown in FIG. 3 , the plant distance adjustment mechanism includes a plant distance input shaft, a slip gear set, a first bushing gear set, a second bushing gear set, a clutch, an engaging gear, an adjustment shaft and a plant distance output shaft, the plant distance input shaft Connected with the second transmission mechanism, the sliding gear set and the first bushing gear set are both connected with the plant spacing output shaft, and the sliding gear set meshes with the second bushing gear set through the sliding gear to form different transmission ratios, thereby adjusting transfer speed. And the first bushing gear set is meshed with the engaging gear, the engaging gear is mounted on the adjusting shaft, the adjusting shaft is connected with one end of the plant spacing output shaft through the clutch, the second bushing gear is mounted on the other end of the plant spacing output shaft, and The second sleeve gear meshes with the slip gear set. The clutch controls the working state of the plant distance output shaft through the adjustment shaft, and at the same time meets the working rate of the male parent planting mechanism. The other end of the plant distance output shaft is connected with the male parent planting mechanism to control the planting hole distance.

As shown in Figure 4, the female direct seeding machine includes at least one seed metering device and a seed metering axis equal to the number of the seed metering devices, the seed metering axis is installed on the seed metering device, and the seed metering axis between two adjacent seed metering devices Connected by a shaft sleeve, one of the seed metering shafts is connected with the first transmission mechanism. In this embodiment, there are two groups of live broadcast institutions for the female parent. One group of the live broadcast mechanism for the female parent is distributed on the left side of the planting mechanism for the male parent, and the other group of the live broadcast mechanism for the female parent is located on the right side of the transplanting mechanism for the male parent. The seed meter is equipped with a control valve to adjust the seed meter to control the quantity of seeds output.

As shown in Figure 5, in this embodiment, there are two sets of male rice transplanting mechanisms distributed at both ends of the lateral box shifting mechanism. Four transmission mechanisms, the first rotating shaft of the male parent, the second rotating shaft of the male parent, the longitudinal seedling feeding mechanism and the planting arm, the input shaft of the male rice transplanting is connected with the power output end of the plant spacing adjustment gearbox, and the input shaft of the male rice transplanting is connected The lateral box transfer mechanism and the third transmission mechanism, the lateral box transfer mechanism grabs the seedlings through the claws and transports the planting holes located in the lateral direction, the third transmission mechanism is connected with the first rotating shaft of the male parent, and the first rotating shaft of the male parent is connected to the longitudinal direction. The seedling feeding mechanism is connected, the longitudinal seedling feeding mechanism grabs the seedlings through the claws and transports the seedlings to the planting hole in the longitudinal direction, the first rotating shaft of the male parent is connected with the fourth transmission mechanism, and the fourth transmission mechanism is connected with the second rotating shaft of the male parent, The second rotating shaft of the male parent is connected to the planting arm, the planting arm is used for planting the seedlings on the planting hole, and the plant spacing adjustment gearbox controls the planting hole spacing of the male parent seedling transplanting mechanism according to the sowing difference period.

The third transmission mechanism includes a third chain, a third drive sprocket and a third driven sprocket, the third drive sprocket is installed on the input shaft of the male rice planting, and the third driven sprocket is installed on the first rotation shaft of the father The third driving sprocket and the third driven sprocket are connected by a third chain, and the third driving sprocket drives the third driven sprocket to rotate through the third chain. The fourth transmission mechanism includes a fourth chain, a fourth driving sprocket and a fourth driven sprocket, the fourth driving sprocket is installed on the first rotating shaft of the father, and the fourth driven sprocket is installed on the second rotating shaft of the father The fourth driving sprocket and the fourth driven sprocket are connected by a fourth chain, and the fourth driving sprocket drives the fourth driven sprocket to rotate through the fourth chain.

Embodiment 2

The power transmission device of this hybrid rice seed production male parent seed transplanting female parent direct seeding machine is the same as Embodiment 1 except for the following technical features:

The first transmission mechanism includes a first belt, a first driving pulley and a first driven pulley, the first driving pulley is installed on the main shaft, the first driven pulley is installed on the input end of the female drive mechanism, and the first driving pulley is installed. It is connected with the first driven pulley through a first belt, and the first driving pulley drives the first driven pulley to rotate through the first leather strip. The second transmission mechanism includes a second belt, a second driving pulley and a second driven pulley, the second driving pulley is installed on the main rotating shaft, the second driven pulley is installed on the power input end of the plant spacing adjustment mechanism, and the second driving pulley It is connected with the second driven pulley through a second belt, and the second driving pulley drives the second driven pulley to rotate through the second leather strip. The same transmission effect can be achieved by replacing the chain transmission in the first embodiment with a belt transmission.

The above-mentioned specific embodiments are the preferred embodiments of the present invention, and do not limit the present invention. Any other changes or other equivalent replacement methods that do not deviate from the technical solutions of the present invention are included in the protection scope of the present invention. within.

Claims (8)

1. a power transmission device of a hybrid rice seed production male parent seedling transplanting female parent direct seeding machine, it is characterized in that: comprise power transmission mechanism, main rotating shaft and plant spacing adjustment mechanism, power transmission mechanism is connected with main rotating shaft by gear transmission mechanism, described The main rotating shaft is connected with the female parent planting mechanism through the first transmission mechanism, the main rotating shaft is connected with the power input end of the plant spacing adjustment mechanism through the second transmission mechanism, and the power output end of the plant spacing adjustment mechanism is connected with the male parent planting mechanism. 2. the power transmission device of a kind of hybrid rice seed production male parent seedling transplanting female parent direct seeding machine according to claim 1, is characterized in that: described power transmission mechanism comprises power gearbox, and described power gearbox comprises power input shaft, A power output shaft, a driving bevel gear and a driven bevel gear, one end of the power input shaft is connected with the power source, the other end of the power input shaft is connected with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, so The driven bevel gear is connected with one end of the power output shaft, and the other end of the power output shaft is connected with the gear transmission mechanism. 3. the power transmission device of a kind of hybrid rice seed production male parent seedling transplanting female parent direct seeding machine according to claim 1, it is characterized in that: described plant spacing adjustment mechanism comprises plant spacing input shaft, sliding gear set, first bushing gear group, the second bushing gear group, the clutch, the engaging gear, the adjusting shaft and the plant distance output shaft, the plant distance input shaft is connected with the second transmission mechanism, the slip gear group and the first bushing gear group are both connected with the plant distance output The shaft is connected, and the first bushing gear set is meshed with the engaging gear, the engaging gear is mounted on the adjusting shaft, the adjusting shaft is connected with one end of the plant spacing output shaft through the clutch, and the second bushing gear is mounted on the other side of the plant spacing output shaft. one end, and the second bushing gear meshes with the sliding gear set. 4. the power transmission device of a kind of hybrid rice seed production male parent rice transplanter female parent direct seeding machine according to claim 1, is characterized in that: described first transmission mechanism comprises the first chain, the first driving sprocket and the first slave Driven sprocket, the first drive sprocket is installed on the main shaft, the first driven sprocket is installed on the input end of the female broadcast mechanism, and the first drive sprocket and the first driven sprocket are connected by a first chain. 5. the power transmission device of a kind of hybrid rice seed production male parent seedling transplanting female parent direct seeding machine according to claim 1, is characterized in that: described first transmission mechanism comprises the first belt, the first driving pulley and the first driven Pulley, the first driving pulley is installed on the main rotating shaft, the first driven pulley is installed on the input end of the female broadcast mechanism, and the first driving pulley and the first driven pulley are connected by a first belt. 6. the power transmission device of a kind of hybrid rice seed production male parent rice transplanter female parent direct seeding machine according to claim 1, is characterized in that: described second transmission mechanism comprises the second chain, the second driving sprocket and the second slave Driven sprocket, the second drive sprocket is installed on the main shaft, the second driven sprocket is installed at the input end of the female broadcast mechanism, and the second drive sprocket and the second driven sprocket are connected by a second chain. 7. the power transmission device of a kind of hybrid rice seed production male parent rice transplanter female parent direct seeding machine according to claim 1, is characterized in that: described second transmission mechanism comprises the second belt, the second driving pulley and the second driven The pulley, the second driving pulley is installed on the main shaft, the second driven pulley is installed on the input end of the female machine, and the second driving pulley and the second driven pulley are connected by a second belt. 8. the power transmission device of a kind of hybrid rice seed production male parent seedling transplanting female parent direct seeding machine according to claim 1 and 2, it is characterized in that: described gear transmission mechanism comprises driving gear and driven gear, and described driving gear and The output end of the power transmission mechanism is connected, the driven gear is connected with the main rotating shaft, and the driving gear is meshed with the driven gear.

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