CN212970824U - High-maneuverability cotton topping device - Google Patents

Abstract

The utility model relates to a high mobility cotton topping device, including high motor-driven parallel mechanism and topping mechanism. The high-mobility parallel mechanism is combined with the SCARA parallel mechanism and the double-parallelogram mechanism, so that the height and the width in the topping operation process can be quickly adjusted, the bottom connecting rod can always keep the posture operation parallel to the rack, and the high-efficiency and high-performance operation is completed; the topping mechanism carries out cotton topping operation, and the topping motor transmits power to the rotary blade through the power flexible shaft, so that the power transmission is not influenced by the motion of the high-power parallel mechanism. The utility model discloses a quick adjustment of the regional width of pinching and height, the operation is regional extensive, and the device structure is simple and convenient, and the quality is light, and is with low costs, and the practicality is strong, has realized cotton high mobility and the automatic operation of pinching.

Description

High-maneuverability cotton topping device

Technical Field

The utility model belongs to the agricultural machine field relates to a high mobility cotton topping device, realizes high mobility and the automatic operation of cotton topping operation in-process.

Background

The cotton has the habit of unlimited growth, the apical dominance can be eliminated by topping, and the yield is increased. The manual topping is labor-consuming and time-consuming, the labor efficiency is low, and the cotton production is restricted. The mechanical topping can improve topping efficiency, save cotton planting cost and meet the requirement of the whole-process mechanized production of cotton. At present, cotton topping is large in dependence degree on personnel, insufficient in mechanical maneuverability, large in machine type and insufficient in automation degree, and the research on a cotton topping device with a light machine type, high-efficiency operation and adjustable operation range is of great significance.

Through the search of the prior art documents, the Chinese invention patent 'an intelligent cotton topping mechanism', application number 201811377360.8, realizes the up-and-down lifting operation vertical to the ground, and does not adjust the width of the cotton topping operation; the Chinese patent of invention, cotton topping device, application number 201310493610.5, adjusts the height of a single topping cutter from the ground by changing the connection position of different bolt holes between a shaft and a connecting sleeve, and does not adjust the width of cotton topping operation.

Therefore, aiming at the problems of insufficient maneuverability, no adjusting function in the operation width range, insufficient automation degree and the like of the existing machinery, the invention provides a high-maneuverability cotton topping device so as to improve the maneuverability and the automation degree of the machinery and realize the high-efficiency and high-quality operation of cotton topping.

Disclosure of Invention

Aiming at the problems that the existing machinery has insufficient maneuverability, the operation width range does not have an adjusting function, the automation degree is insufficient and the like, the invention provides the high-maneuverability cotton topping device so as to improve the maneuverability and the automation degree of machines and implements high-efficiency and high-quality operation of cotton topping.

The utility model relates to a technical scheme that device adopted is beaten to high mobility cotton: comprises a high-mobility parallel mechanism and a topping mechanism. The high-mobility parallel mechanism is combined with the Scara parallel mechanism and the double-parallelogram mechanism, so that the height and the width in the topping operation process can be quickly adjusted, the bottom connecting rod can always keep the posture operation parallel to the rack, and the high-efficiency and high-performance operation is completed; the topping mechanism carries out cotton topping operation, and the topping motor transmits power to the rotary blade through the power flexible shaft, so that the power transmission is not influenced by the motion of the high-power parallel mechanism.

The high-mobility parallel mechanism comprises a rack, a motion motor, a Scara right driving rod, a Scara right driven rod, a first driven rod, a second driven rod, a bottom connecting rod, a Scara left driven rod, a middle connecting rod and a Scara left driving rod; the mode that the rack is fixed on the mobile platform determines two field operation schemes, wherein in the first scheme, the rack is fixed on the mobile platform in a direction perpendicular to a cotton row direction, a topping device performs operation adjustment in the Y-axis and Z-axis directions, in the second scheme, the rack is fixed on the mobile platform in a direction parallel to the cotton row direction, a grain lifting device collects cotton plants, the topping device performs operation adjustment in the X-axis and Z-axis directions, and the rack is used for fixing the whole topping device and identifying a binocular positioning system of a topping center space coordinate; the two motion motors provide rotary power for the left and right driving rods of the Scara, the response is fast, the precision is high, and the motion mobility and the accuracy of the topping mechanism are greatly improved; the driving rod on the right side of the Scara is hinged with the rack and the driven rod on the right side of the Scara and rotates under the driving of the motion motor; the Scara right driven rod is hinged with the Scara right driving rod, the bottom connecting rod and the driven rod II, and the Scara right driving rod and the Scara right driven rod form a right part of the Scara parallel mechanism; the first driven rod is hinged with the middle connecting rod, the rack and the second driven rod, and forms a first parallelogram mechanism with the Scara left driving rod, the middle connecting rod and the rack; the driven rod II is hinged with the middle connecting rod, the bottom connecting rod, the Scara right side driven rod and the driven rod I; the bottom connecting rod is hinged with the second driven rod, the Scara left driven rod and the Scara right driven rod, and forms a second parallelogram mechanism with the second driven rod, the Scara left driven rod and the middle connecting rod; the Scara left driven rod is hinged with the middle connecting rod, the bottom connecting rod and the Scara left driving rod, and the Scara left driven rod and the Scara left driving rod form a left part of the Scara parallel mechanism; the middle connecting rod is hinged with the Scara left driving rod, the Scara left driven rod, the driven rod I and the driven rod II and is a shared rod of the two parallelogram mechanisms; and the Scara left driving rod is hinged with the middle connecting rod, the rack and the Scara left driven rod and rotates under the driving of the motion motor.

The topping mechanism comprises a topping motor, a blade rotating shaft, a rotating blade, a blade cover, a tool rest, a power flexible shaft and a universal joint; the topping motor is fixed on the frame, and transmits power to the power flexible shaft through the universal joint; the blade rotating shaft is fixed on the tool rest and transmits power to the rotary blade; the rotary blade is fixed on the blade rotating shaft, so that cotton plants are topped, and the blade can be replaced; the knife cover is fixed on the knife rest, plays a role in protecting the blade and is convenient to align to the top center of the cotton plant; the knife rest is fixed on the bottom connecting rod, and the rotating shaft and the knife cover are fixed with the knife; the power flexible shaft is respectively connected with the two universal joints, so that the power connection of different shaft parts in the motion process of the double-parallelogram mechanism is realized; the number of the universal joints is two, and the topping motor and the blade rotating shaft are connected through the power flexible shaft.

The utility model has the advantages that:

1. the high-maneuverability cotton topping device is designed, the device structure is simple and convenient, the connecting rods are light in material, the weight is concentrated on the rack, and the high maneuverability in the cotton topping process can be realized.

2. The width and the height of a topping area can be quickly adjusted, the operation area is wide, and the blade can be operated in a posture parallel to the ground or in other angles.

Drawings

FIG. 1 is an isometric view of a cotton topping device;

FIG. 2 is a front view of the cotton topping device;

FIG. 3 is a right side view of the cotton topping device;

FIG. 4 is a schematic view of a field operation scheme;

FIG. 5 is a schematic view of a second field operation scheme;

in the figure: 1. the device comprises a rack 2, a topping motor 3, a motion motor 4, a Scara right driving rod 5, a Scara right driven rod 6, a first driven rod 7, a second driven rod 8, a bottom connecting rod 9, a blade rotating shaft 10, a rotary blade 11, a blade cover 12, a blade rest 13, a Scara left driven rod 14, a power flexible shaft 15, a universal joint 16, a middle connecting rod 17 and a Scara left driving rod

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The utility model provides a high maneuverability cotton topping device, as shown in figures 1, 2, 3, 4 and 5, the high maneuverability parallel mechanism comprises a frame (1), a motion motor (3), a Scara right side driving rod (4), a Scara right side driven rod (5), a driven rod I (6), a driven rod II (7), a bottom connecting rod (8), a Scara left side driven rod (13), a middle connecting rod (16) and a Scara left side driving rod (17); the mode that the rack (1) is fixed on the mobile platform determines two field operation schemes, wherein the first scheme is that the rack (1) is fixed on the mobile platform in a direction perpendicular to a cotton row direction, the topping device performs operation adjustment in the Y-axis and Z-axis directions, the second scheme is that the rack (1) is fixed on the mobile platform in a direction parallel to the cotton row direction, the seedling lifting device collects cotton plants, the topping device performs operation adjustment in the X-axis and Z-axis directions, and the rack (1) is used for fixing the whole topping device and a binocular positioning system for recognizing a topping center space coordinate; the two motion motors (3) provide rotary power for the left and right driving rods of the Scara, the response is fast, the precision is high, and the motion mobility and the accuracy of the topping mechanism are greatly improved; the Scara right driving rod (4) is hinged with the rack (1) and the Scara right driven rod (5) and rotates under the driving of the motion motor (3); the Scara right driven rod (5) is hinged with the Scara right driving rod (4), the bottom connecting rod (8) and the driven rod II (7), and the Scara right driving rod (4) forms the right part of the Scara parallel mechanism; the driven rod I (6) is hinged with the middle connecting rod, the rack (1) and the driven rod II (7) and forms a first parallelogram mechanism with the Scara left driving rod (17), the middle connecting rod (16) and the rack (1); the second driven rod (7) is hinged with the middle connecting rod (16), the bottom connecting rod (8), the Scara right-side driven rod (5) and the first driven rod (6); the bottom connecting rod (8) is hinged with the second driven rod (7), the Scara left driven rod (13) and the Scara right driven rod (5), and forms a second parallelogram mechanism with the second driven rod (7), the Scara left driven rod (13) and the middle connecting rod (16); the Scara left driven rod (13) is hinged with the middle connecting rod (16), the bottom connecting rod (8) and the Scara left driving rod (17), and the Scara left driving rod (17) and the Scara left driven rod form a left part of the Scara parallel mechanism; the middle connecting rod (16) is hinged with the Scara left driving rod (17), the Scara left driven rod (13), the driven rod I (6) and the driven rod II (7) and is a common rod of the two parallelogram mechanisms; and the Scara left driving rod (17) is hinged with the middle connecting rod (16), the rack (1) and the Scara left driven rod (13) and rotates under the driving of the motion motor (3).

As shown in fig. 1, 2 and 3, the topping mechanism comprises a topping motor (2), a blade rotating shaft (9), a rotary blade (10), a blade cover (11), a blade holder (12), a power flexible shaft (14) and a universal joint (15); the topping motor (2) is fixed on the frame (1), and transmits power to the power flexible shaft (14) through the universal joint (15); the blade rotating shaft (9) is fixed on the tool rest (12) and transmits power to the rotary blade (10); the rotary blade (10) is fixed on the blade rotating shaft (9) to perform topping on cotton plants, and the blade can be replaced; the knife cover (11) is fixed on the knife rest (12) to protect the blade and facilitate aligning with the top center of a cotton plant; the knife rest (12) is fixed on the bottom connecting rod (8) and fixes the blade rotating shaft (9) and the knife cover (11); the power flexible shaft (14) is respectively connected with the two universal joints (15) to realize the power connection of different shaft parts in the motion process of the double-parallelogram mechanism; the two universal joints (15) are used for connecting the topping motor (2) and the blade rotating shaft (9) through a power flexible shaft (14).

Claims (1)

1. The utility model provides a high mobility cotton topping device which characterized in that: comprises a high-mobility parallel mechanism and a topping mechanism;

the high-mobility parallel mechanism comprises a rack, a motion motor, a SCARA right driving rod, a SCARA right driven rod, a driven rod I, a driven rod II, a bottom connecting rod, a SCARA left driven rod, a middle connecting rod and a SCARA left driving rod; the mode that the frame is fixed on the mobile platform determines two field operation schemes; according to the first scheme, a rack is fixed on a moving platform in a direction perpendicular to a cotton row direction, a topping device performs operation adjustment in the Y-axis and Z-axis directions, a rack is fixed on the moving platform in a direction parallel to the cotton row direction, a grain lifting device collects cotton plants, the topping device performs operation adjustment in the X-axis and Z-axis directions, and the rack is used for fixing the whole topping device and a binocular positioning system for recognizing a topping center space coordinate; the two motion motors provide rotary power for the left and right driving rods of the SCARA, the response is fast, the precision is high, and the motion mobility and the accuracy of the topping mechanism are greatly improved; the SCARA right driving rod is hinged with the rack and the SCARA right driven rod and rotates under the driving of the motion motor; the SCARA right driven rod is hinged with the SCARA right driving rod, the bottom connecting rod and the driven rod II and forms a right part of the SCARA parallel mechanism together with the SCARA right driving rod; the first driven rod is hinged with the middle connecting rod, the rack and the second driven rod, and forms a first parallelogram mechanism with the left driving rod of the SCARA, the middle connecting rod and the rack; the second driven rod is hinged with the middle connecting rod, the bottom connecting rod, the SCARA right side driven rod and the first driven rod; the bottom connecting rod is hinged with the second driven rod, the SCARA left driven rod and the SCARA right driven rod, and forms a second parallelogram mechanism with the second driven rod, the SCARA left driven rod and the middle connecting rod; the SCARA left driven rod is hinged with the middle connecting rod, the bottom connecting rod and the SCARA left driving rod and forms a left part of the SCARA parallel mechanism together with the SCARA left driving rod; the middle connecting rod is hinged with the SCARA left driving rod, the SCARA left driven rod, the driven rod I and the driven rod II and is a shared rod of the two parallelogram mechanisms; the SCARA left driving rod is hinged with the middle connecting rod, the rack and the SCARA left driven rod and rotates under the driving of the motion motor;

the topping mechanism comprises a topping motor, a blade rotating shaft, a rotating blade, a blade cover, a tool rest, a power flexible shaft and a universal joint; the topping motor is fixed on the frame, and transmits power to the power flexible shaft through the universal joint; the blade rotating shaft is fixed on the tool rest and transmits power to the rotary blade; the rotary blade is fixed on the blade rotating shaft, so that cotton plants are topped, and the blade can be replaced; the knife cover is fixed on the knife rest, plays a role in protecting the blade and is convenient to align to the top center of the cotton plant; the knife rest is fixed on the bottom connecting rod, and the rotating shaft and the knife cover are fixed with the knife; the power flexible shaft is respectively connected with the two universal joints, so that the power connection of different shaft parts in the motion process of the double-parallelogram mechanism is realized; the number of the universal joints is two, and the topping motor and the blade rotating shaft are connected through the power flexible shaft.

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