CN108432401B - General profile modeling seed pit construction device of growing seedlings of sealwort, yunnan sealwort and pseudo-ginseng - Google Patents
General profile modeling seed pit construction device of growing seedlings of sealwort, yunnan sealwort and pseudo-ginseng Download PDFInfo
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- CN108432401B CN108432401B CN201810295336.3A CN201810295336A CN108432401B CN 108432401 B CN108432401 B CN 108432401B CN 201810295336 A CN201810295336 A CN 201810295336A CN 108432401 B CN108432401 B CN 108432401B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
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Abstract
The invention relates to a device for constructing a general seedling-raising profiling seed pit of Polygonatum sibiricum, polygonatum kingianum and Panax notoginseng, belonging to the technical field of agricultural machinery, wherein an upper clamping plate and a lower clamping plate of a connecting component are connected with the center of a main shaft in the middle of a shaft, the structures of left and right side pressing pit wheels are completely the same and are symmetrically arranged about the central line J-J of the shaft, the inner ring of a bearing of the left side pressing pit wheel is in interference connection with a stepped shaft I of the shaft, and shaft sleeves in the left and right side pressing pit wheels are fixedly connected with a hole I and a hole II of the shaft respectively through a pin I and a pin II; the invention can extrude equidistant seed pits on a flat seed bed of a mixed matrix, can increase the qualification rate of the sowing grain spacing, reduce the variation coefficient of the sowing qualified grain spacing, can also increase the consistency of sowing depth, improve soil moisture, preserve soil moisture and improve the emergence rate; meanwhile, the cam used in the invention can ensure that the push rod slowly enters and rapidly exits when in pit pressing, and the motion track has no interference, so that the pit pressing quality can be ensured.
Description
Technical Field
The invention belongs to the field of agricultural machinery, and particularly relates to a universal seedling-raising profiling seed pit construction device for rhizoma polygonati, rhizoma polygonati yunnanensis and radix notoginseng.
Background
The unique climate condition of Yunnan is the main production place of various rare Chinese medicinal materials, wherein pseudo-ginseng is one of the rare Chinese medicinal materials out of the famous, 98% of pseudo-ginseng is produced from Yunnan, and rhizoma polygonati is one of the common medicinal materials, thus the quality of the Yunnan rhizoma polygonati is optimal, and the planting area is increased along with the continuous increase of the market demands of the medicinal materials. At present, commercial planting of rhizoma polygonati and pseudo-ginseng is realized, but the mechanization level is uneven. The plant base scale of pseudo-ginseng, rhizoma polygonati and rhizoma polygonati in Wenshan county, dazhou and other places in Yunnan province reaches over thousand mu. The agricultural requirements of the traditional Chinese medicinal materials are different, the agricultural requirements cannot be commonly used with other agricultural machinery, the model machine of a 3-generation pseudo-ginseng seeder is invented through years of experimental study on the agricultural university of Yunnan, the precision seeding function is basically realized, the seed emergence rate of pseudo-ginseng and rhizoma polygonati medicinal materials is ensured to be maximum through mechanized planting because the seed of the pseudo-ginseng and other medicinal materials is famous and expensive every kilogram of the pseudo-ginseng and other medicinal materials is 800 yuan in three years, stable production and high yield are important points of study, the agricultural study shows that the compaction of seed furrows can improve the seed germination rate, the seed emergence rate is accelerated, the flatness of the seed furrows also has a certain influence on the emergence of the Chinese medicinal materials, and therefore, the study of the ditching device is also an important study direction of the medicinal material seeding machinery.
The planting modes of the polygonatum sibiricum, the polygonatum kingianum and the pseudo-ginseng planting bases are similar, the mode of firstly raising seedlings and then transplanting is adopted, and the maximum survival rate is ensured. The seedling raising of rhizoma polygonati, rhizoma polygonati yunnanensis and radix notoginseng adopts a precision seeding mode, the seeding row spacing is 5cm, the plant spacing is 5cm, and the seeding depth is 1cm. The seed of Polygonatum sibiricum and Polygonatum kingianum is sphere-like, the size is 3-7mm, the pseudo-ginseng is triangle oval, and the longest diameter is 3-7 mm. Because the compaction of the soil under the seeds of the traditional Chinese medicinal materials is beneficial to the germination and emergence of the seeds of the medicinal materials, the seed furrow construction device has the profiling and furrow pressing functions.
Disclosure of Invention
The invention aims to provide a device for constructing a profile modeling seed pit for rhizoma polygonati, rhizoma polygonati and radix notoginseng universal seedling, which has the functions of profile modeling and pit bottom compacting, is used for optimizing the shape of a seed bed, increasing the soil contact rate of seeds, increasing the consistency of the sowing depth of the seeds, and has the function of soil moisture extraction, so that the germination rate and the emergence consistency of the rhizoma polygonati, rhizoma polygonati and radix notoginseng seeds can be increased.
The invention comprises a left pit pressing wheel A, a connecting component B, a right pit pressing wheel C, a shaft D, a pin I3, a key 2 and a pin II 1, wherein: the shaft D consists of a stepped shaft I19, a middle main shaft 17 and a stepped shaft II 14, a key groove I16 is formed in the middle of the middle main shaft 17, and holes I18 and holes II 15 are symmetrically formed in two ends of the key groove I16.
The upper clamping plate 5 and the lower clamping plate 6 of the connecting component B are connected with the center key of the middle main shaft 17 of the shaft D through the key 2.
The left pit pressing wheel A and the right pit pressing wheel C are identical in structure and are symmetrically arranged about the central line J-J of the shaft D, wherein the bearing inner ring of the left pit pressing wheel A is in interference connection with the stepped shaft I19 of the shaft D.
The shaft sleeve in the left pit wheel A is fixedly connected with the hole I18 of the shaft D through a pin I3.
The bearing inner ring of the right pit pressing wheel C is in interference connection with the stepped shaft II 14 of the shaft D.
The shaft sleeve in the right pit pressing wheel C is fixedly connected with a hole II 15 of the shaft D through a pin II 1.
The left pit pressing wheel A and the right pit pressing wheel C are of symmetrical structures.
The left pit pressing wheel A consists of a nut group 20, a left wheel E, a bearing 22, a bearing seat F, a cam G and a sealing cover H,
the nut group 20 is composed of 4 nuts; the bearing seat F is disc-shaped, a central hole I27 is formed in the bearing seat F, a bolt group I28 consisting of 4 bolts is arranged on the left surface of the bearing seat F, and the 4 bolts are uniformly distributed on the circumference with the diameter of 79.8-80.2 mm.
The sealing cover H consists of a right side plate 25 and a right inclined surface 23, wherein the right side plate 25 is disc-shaped, a central hole II 34 is formed in the right side plate 25, a bolt group II 24,4 consisting of 4 bolts is uniformly distributed on the circumference with the diameter of 145mm, and the right inclined surface 23 is fixedly connected to the left outer ring of the right side plate 25.
The nut group 20, the left wheel E, the bearing 22, the bearing seat F, the cam G and the sealing cover H are sequentially arranged from left to right, wherein the outer ring of the bearing 22 is in interference connection with a central hole I27 of the bearing seat F.
The disc of bearing seat F is placed in cylindrical cavity 26 of cam G, and 4 bolts on bearing seat F are fixedly connected with 4 nuts of nut group 20 by means of 4 holes on left side plate 29 in left wheel E.
The 4 bolts of the right side plate 25 in the sealing cover H are screwed with the 4 threaded holes of the inner ring 35 in the left wheel E.
The inner ends of 25-35 push rods in the left wheel E are in sliding connection with the outline of the cam G, and when the inner ends of the push rods are positioned on the KE section of the cam G, the outer ends of the push rods are flush with the periphery of the annular surface 39 of the outer ring 36 in the left wheel E.
In the assembled state, the included angle between the left inclined surface 21 of the outer ring 36 in the left wheel E and the right inclined surface 23 in the sealing cover H on the left pit pressing wheel A is 24-26 degrees.
The left wheel E consists of a left side plate 29, an inner ring 35, an outer ring 36, a cylindrical pin group 30, a push rod group 31 and a spring group 32, wherein the left side plate 29 is provided with a hole group I38,4 consisting of 4 holes, and the holes are uniformly distributed on the circumference with the diameter of 155 mm.
The left side plate 29 is disc-shaped, the left end of the inner ring 35 is fixedly connected to the middle of the right surface of the left side plate 29, a hole group II 40 consisting of 25-35 holes is uniformly distributed on the wall of the inner ring 35, and a threaded hole group 37 consisting of 4 threaded holes is uniformly distributed on the right end surface of the inner ring 35.
The outer ring 36 is composed of a left inclined plane 21 and an annular surface 39, wherein the left end of the left inclined plane 21 is fixedly connected with the outer ring on the right surface of the left side plate 29, and the right end of the left inclined plane 21 is fixedly connected with the left end of the annular surface 39.
Hole groups III 41 consisting of 25-35 holes are uniformly distributed on the ring surface 39, the push rod group 31 consists of 25-35 push rods, the push rod group 31 is a cylinder with the diameter phi 1 of 9mm and the length L of 56mm, is made of nylon, has the diameters phi 3 of 3mm and is hemispherical, kong with the diameter phi 2 of 3mm is arranged at a position 32.5mm away from one end, the cylindrical pin group 30 consists of 25-35 cylindrical pins, and each cylindrical pin is fixedly connected in Kong of each push rod;
the spring group 32 consists of 25-35 springs, and each push rod is fixedly connected with a cylindrical pin.
25-35 push rods of the push rod group 31 correspondingly penetrate between 25-35 holes of the hole group II 40 in the inner ring 35 and 25-35 holes of the hole group III 41 in the annular surface 39 of the outer ring 36.
Each spring of the spring set 32 is sleeved on each push rod of the push rod set 31 from outside to inside, and is limited by the cylindrical pin set 30 fixedly connected.
The cam G is internally provided with a cylindrical cavity 26, the right side of the cam G is provided with a shaft sleeve 33, and the shaft sleeve 33 is provided with a through hole 42.
The peripheral contour of the cam G is composed of KE arc line, EF curve, FG curve, GH curve, HI curve, IJ curve, JK curve, wherein:
taking an equal fraction of the pushing movement angle beta 1 as n=6 from a pushing movement interval [0 ° -90 ° ] pushing movement angle beta 1=90° interval travel h=12mm;
[0°-15°]h1=1.2 mm, and ef curve equation is:
[15°-75°]h2=9.6mm, fg curve equation is:
[75°-90°]h3=1.2 mm, gh curve equation is:
the return stroke interval [90 ° -114 ° ] pushing movement angle β2=24° interval travel h=12mm, and the equal fraction of the pushing movement angle β2 is n=6::
[90°-94°]h1 =1.2 mm, hi curve equation is:
[94°-110°]h2 =9.6mm, ij curve equation is:
[110°-114°]h3 =1.2 mm, jk curve equation is:
[114°-360°]the KE circular arc curve equation is: x is x 2 +y 2 ＝3136。
The connecting assembly B consists of a connecting rod 4, an upper clamping plate 5 and a lower clamping plate 6, wherein: a semi-cylindrical notch I8 is arranged below the upper clamping plate 5, a key groove II 9 is arranged at the top of the semi-cylindrical notch I8, a hole III 10 is formed in the near front end of the upper clamping plate 5, and a Kong 7 is arranged in the near rear end of the upper clamping plate 5; a semi-cylindrical notch II 12 is arranged on the lower clamping plate 6, kong is arranged at the near front end of the lower clamping plate 6, and Kong is arranged at the near rear end of the lower clamping plate 6; the lower end of the connecting rod 4 is fixedly connected with the upper surface of the upper clamping plate 5, and the upper clamping plate 5 and the lower clamping plate 6 are connected through bolts.
The working process of the invention is as follows:
the invention is to be installed on a precision planter to operate on a flat seed bed with mixed matrixes, wherein a push rod group 31 consists of 25-35 push rods, the push rod group 31 is a cylinder with the diameter phi 1 of 9mm and the length L of 56mm, nylon materials, the diameters phi 3 of two ends are 3mm hemispheres, the L1 at the position with the distance of 32.5mm from one end is provided with Kong 43 with the diameter phi 2 of 3mm, a cylindrical pin group 30 consists of 25-35 cylindrical pins, a spring group 32 consists of 25-35 springs, and each push rod is fixedly connected with a cylindrical pin. The seed pits pressed out by the invention can increase the qualification rate of the sowing grain spacing, reduce the variation coefficient of the sowing qualified grain spacing, increase the consistency of the sowing depth, improve the soil moisture and preserve the soil moisture and improve the emergence rate.
Compared with the prior art, the gain effect of the invention is as follows:
1. the pit pressing device can press equidistant seed pits on a flat seed bed of a mixed matrix, can increase the qualification rate of sowing grain distances, reduce the variation coefficient of the qualified sowing grain distances, and can also increase the consistency of sowing depth, improve soil moisture, preserve soil moisture and increase the emergence rate.
2. The cam curve is formed by connecting seven sections of curves, so that the push rod can slowly enter and rapidly exit when in pit pressing, the movement track is free from interference, and the pit pressing quality is ensured.
Drawings
FIG. 1 is a front view of a general seedling-raising and profiling seed pit construction device for rhizoma Polygonati, rhizoma Polygonati Odorati and Notoginseng radix
Fig. 2 is a schematic structural view of the connection assembly B
FIG. 3 is a schematic view of the structure of the upper clamping plate 5
FIG. 4 is a schematic view of the structure of the lower clamping plate 6
FIG. 5 is a schematic view of the structure of the shaft D
FIG. 6 is an exploded view of the left-side pit wheel A
FIG. 7 is an exploded view of the wheel
FIG. 8 is a schematic view of left wheel E
FIG. 9 is a schematic view of the structure of the cam G
FIG. 10 is a schematic view of a push rod
FIG. 11 is a schematic drawing of cam curve
FIG. 12 is a graph showing the relationship between the push angle and displacement of the cam curve
FIG. 13 is a graph of cam curve return angle versus displacement
Wherein: A. left side drive wheel B, connection assembly C, right side drive wheel D, shaft E, left wheel F, bearing housing G, cam H, seal cover 1, pin II 2, key 3, pin I4, connecting rod 5, upper plate 6, lower plate 7, kong, semi-cylindrical notch I9, keyway II 10, bore III 11, kong, semi-cylindrical notch II 13, kong, stepped shaft II 15, bore II 16, keyway I17, center shaft 18, bore I19, stepped shaft I20, nut 21, left ramp 22, bearing 23, right ramp 24, bolt assembly II 25, right plate 26, cylindrical cavity 27, center bore I28, bolt assembly I29, left side plate 30, cylindrical pin assembly 31, pushrod assembly 32, spring assembly 33, bushing 34, center bore II 35, inner ring 36, outer ring 37, threaded bore assembly 38, bore assembly I39, annulus 40, bore assembly II 41, bore assembly III 42, through bore 43, kong
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, 6-13, the present invention is composed of a left-side dimple wheel a, a connecting assembly B, a right-side dimple wheel C, a shaft D, a pin i 3, a key 2, and a pin ii 1, wherein: the shaft D consists of a stepped shaft I19, a middle main shaft 17 and a stepped shaft II 14, a key groove I16 is formed in the middle of the middle main shaft 17, and holes I18 and holes II 15 are symmetrically formed in two ends of the key groove I16.
The upper clamping plate 5 and the lower clamping plate 6 of the connecting component B are connected with the center key of the middle main shaft 17 of the shaft D through the key 2.
The left pit pressing wheel A and the right pit pressing wheel C are identical in structure and are symmetrically arranged about the central line J-J of the shaft D, wherein the bearing inner ring of the left pit pressing wheel A is in interference connection with the stepped shaft I19 of the shaft D.
The shaft sleeve in the left pit wheel A is fixedly connected with the hole I18 of the shaft D through a pin I3.
The bearing inner ring of the right pit pressing wheel C is in interference connection with the stepped shaft II 14 of the shaft D.
The shaft sleeve in the right pit pressing wheel C is fixedly connected with a hole II 15 of the shaft D through a pin II 1.
The left pit pressing wheel A and the right pit pressing wheel C are of symmetrical structures.
The left pit pressing wheel A consists of a nut group 20, a left wheel E, a bearing 22, a bearing seat F, a cam G and a sealing cover H,
the nut group 20 is composed of 4 nuts; the bearing seat F is disc-shaped, a central hole I27 is formed in the bearing seat F, a bolt group I28 consisting of 4 bolts is arranged on the left surface of the bearing seat F, and the 4 bolts are uniformly distributed on the circumference with the diameter of 79.8-80.2 mm.
The sealing cover H consists of a right side plate 25 and a right inclined surface 23, wherein the right side plate 25 is disc-shaped, a central hole II 34 is formed in the right side plate 25, a bolt group II 24,4 consisting of 4 bolts is uniformly distributed on the circumference with the diameter of 145mm, and the right inclined surface 23 is fixedly connected to the left outer ring of the right side plate 25.
The nut group 20, the left wheel E, the bearing 22, the bearing seat F, the cam G and the sealing cover H are sequentially arranged from left to right, wherein the outer ring of the bearing 22 is in interference connection with a central hole I27 of the bearing seat F.
The disc of bearing seat F is placed in cylindrical cavity 26 of cam G, and 4 bolts on bearing seat F are fixedly connected with 4 nuts of nut group 20 by means of 4 holes on left side plate 29 in left wheel E.
The 4 bolts of the right side plate 25 in the sealing cover H are screwed with the 4 threaded holes of the inner ring 35 in the left wheel E.
The inner ends of 25-35 push rods in the left wheel E are in sliding connection with the outline of the cam G, and when the inner ends of the push rods are positioned on the KE section of the cam G, the outer ends of the push rods are flush with the periphery of the annular surface 39 of the outer ring 36 in the left wheel E.
In the assembled state, the included angle between the left inclined surface 21 of the outer ring 36 in the left wheel E and the right inclined surface 23 in the sealing cover H on the left pit pressing wheel A is 24-26 degrees.
The left wheel E consists of a left side plate 29, an inner ring 35, an outer ring 36, a cylindrical pin group 30, a push rod group 31 and a spring group 32, wherein the left side plate 29 is provided with a hole group I38,4 consisting of 4 holes, and the holes are uniformly distributed on the circumference with the diameter of 155 mm.
The left side plate 29 is disc-shaped, the left end of the inner ring 35 is fixedly connected to the middle of the right surface of the left side plate 29, a hole group II 40 consisting of 25-35 holes is uniformly distributed on the wall of the inner ring 35, and a threaded hole group 37 consisting of 4 threaded holes is uniformly distributed on the right end surface of the inner ring 35.
The outer ring 36 is composed of a left inclined plane 21 and an annular surface 39, wherein the left end of the left inclined plane 21 is fixedly connected with the outer ring on the right surface of the left side plate 29, and the right end of the left inclined plane 21 is fixedly connected with the left end of the annular surface 39.
Hole groups III 41 consisting of 25-35 holes are uniformly distributed on the ring surface 39, the push rod group 31 consists of 25-35 push rods, the push rod group 31 is a cylinder with the diameter phi 1 of 9mm and the length L of 56mm, is made of nylon, has the diameters phi 3 of 3mm and is hemispherical, kong with the diameter phi 2 of 3mm is arranged at a position 32.5mm away from one end, the cylindrical pin group 30 consists of 25-35 cylindrical pins, and each cylindrical pin is fixedly connected in Kong of each push rod;
the spring group 32 consists of 25-35 springs, and each push rod is fixedly connected with a cylindrical pin.
25-35 push rods of the push rod group 31 correspondingly penetrate between 25-35 holes of the hole group II 40 in the inner ring 35 and 25-35 holes of the hole group III 41 in the annular surface 39 of the outer ring 36.
Each spring of the spring set 32 is sleeved on each push rod of the push rod set 31 from outside to inside, and is limited by the cylindrical pin set 30 fixedly connected.
The cam G is internally provided with a cylindrical cavity 26, the right side of the cam G is provided with a shaft sleeve 33, and the shaft sleeve 33 is provided with a through hole 42.
The peripheral contour of the cam G is composed of KE arc line, EF curve, FG curve, GH curve, HI curve, IJ curve, JK curve, wherein:
taking an equal fraction of the pushing movement angle beta 1 as n=6 from a pushing movement interval [0 ° -90 ° ] pushing movement angle beta 1=90° interval travel h=12mm;
[0°-15°]h1=1.2 mm, and ef curve equation is:
[15°-75°]h2=9.6mm, fg curve equation is:
[75°-90°]h3=1.2 mm, gh curve equation is:
taking an equal fraction of the stroke movement angle beta 2 as n=6 from a return interval [90 ° -114 ° ] stroke movement angle beta 2=24° interval stroke h=12 mm;
[90°-94°]h1 =1.2 mm, hi curve equation is:
[94°-110°]h2 =9.6mm, ij curve equation is:
[110°-114°]h3 =1.2 mm, jk curve equation is:
[114°-360°]the KE circular arc curve equation is: x is x 2 +y 2 ＝3136。
As shown in fig. 2-4, the connecting assembly B is composed of a connecting rod 4, an upper clamping plate 5 and a lower clamping plate 6, wherein: a semi-cylindrical notch I8 is arranged below the upper clamping plate 5, a key groove II 9 is arranged at the top of the semi-cylindrical notch I8, a hole III 10 is formed in the near front end of the upper clamping plate 5, and a Kong 7 is arranged in the near rear end of the upper clamping plate 5; a semi-cylindrical notch II 12 is arranged on the lower clamping plate 6, kong is arranged at the near front end of the lower clamping plate 6, and Kong is arranged at the near rear end of the lower clamping plate 6; the lower end of the connecting rod 4 is fixedly connected with the upper surface of the upper clamping plate 5, and the upper clamping plate 5 and the lower clamping plate 6 are connected through bolts.
As shown in FIG. 5, the shaft D consists of a stepped shaft I19, a middle main shaft 17 and a stepped shaft II 14, a key slot I16 is arranged in the middle of the middle main shaft 17, and holes I18 and II 15 are symmetrically formed in two ends of the key slot I16.
The upper clamping plate 5 and the lower clamping plate 6 of the connecting component B are connected with the center key of the middle main shaft 17 of the shaft D through the key 2.
Claims (2)
1. The utility model provides a sealwort, yunnan sealwort, general profile modeling planting hole construction device of growing seedlings of pseudo-ginseng which characterized in that: consists of a left pit pressing wheel (A), a connecting component (B), a right pit pressing wheel (C), a shaft (D), a pin I (3), a key (2) and a pin II (1), wherein: the shaft (D) consists of a stepped shaft I (19), a middle main shaft (17) and a stepped shaft II (14), wherein a key slot I (16) is formed in the middle of the middle main shaft (17), and holes I (18) and holes II (15) are symmetrically formed in two ends of the key slot I (16); the upper clamping plate (5) and the lower clamping plate (6) of the connecting component (B) are connected with the center key of the middle main shaft (17) of the shaft (D) through the key (2); the structure of the left pit pressing wheel (A) and the structure of the right pit pressing wheel (C) are identical, and the pit pressing wheels are symmetrically arranged about the central line J-J of the shaft (D), wherein the bearing inner ring of the left pit pressing wheel (A) is in interference connection with the stepped shaft I (19) of the shaft (D), and the shaft sleeve in the left pit pressing wheel (A) is fixedly connected with the hole I (18) of the shaft (D) through the shaft sleeve distribution I (3); the bearing inner ring of the right pit pressing wheel (C) is in interference connection with a stepped shaft II (14) of the shaft (D); the shaft sleeve in the right pit pressing wheel (C) is fixedly connected with a hole II (15) of the shaft (D) through a shaft sleeve distribution II (1); the left pit pressing wheel (A) and the right pit pressing wheel (C) are of symmetrical structures, the left pit pressing wheel (A) is composed of a nut group (20), a left wheel (E), a bearing (22), a bearing seat (F), a cam (G) and a sealing cover (H), and the nut group (20) is composed of 4 nuts; the bearing seat (F) is disc-shaped, a central hole I (27) is formed in the bearing seat, a bolt group I (28) consisting of 4 bolts is arranged on the left surface of the bearing seat, and the 4 bolts are uniformly distributed on the circumference with the diameter of 79.8-80.2 mm; the sealing cover (H) consists of a right side plate (25) and a right inclined surface (23), the right side plate (25) is disc-shaped, a central hole II (34) is formed in the right side plate (25), a bolt group II (24) consisting of 4 bolts is further arranged, the 4 bolts are uniformly distributed on the circumference with the diameter of 145mm, and the right inclined surface (23) is fixedly connected with the left outer ring of the right side plate (25); the nut group (20), the left wheel (E), the bearing (22), the bearing seat (F), the cam (G) and the sealing cover (H) are sequentially arranged from left to right, wherein the outer ring of the bearing (22) is in interference connection with a central hole I (27) of the bearing seat (F); the disc of the bearing seat (F) is arranged in the cylindrical cavity (26) of the cam (G), and 4 bolts on the bearing seat (F) are fixedly connected with 4 nuts of the nut group (20) through 4 holes on a left side plate (29) in the left wheel (E); 4 bolts of the right side plate (25) in the sealing cover (H) are in threaded connection with 4 threaded holes of the inner ring (35) in the left wheel (E); the inner ends of 25-35 push rods in the left wheel (E) are in sliding connection with the outline of the cam (G), and when the inner ends of the push rods are positioned in the KE section of the cam (G), the outer ends of the push rods are flush with the periphery of an annular surface (39) of an outer ring (36) in the left wheel (E); in the assembled state, the included angle between the left inclined surface (21) of the outer ring (36) in the left wheel (E) on the left pit pressing wheel (A) and the right inclined surface (23) in the sealing cover (H) is 24-26 degrees; the left wheel (E) consists of a left side plate (29), an inner ring (35), an outer ring (36), a cylindrical pin group (30), a push rod group (31) and a spring group (32), wherein a hole group I (38) consisting of 4 holes is arranged on the left side plate (29), and the 4 holes are uniformly distributed on the circumference with the diameter of 155 mm; the left side plate (29) is disc-shaped, the left end of the inner ring (35) is fixedly connected to the middle part of the right surface of the left side plate (29), a hole group II (40) consisting of 25-35 holes is uniformly distributed on the wall of the inner ring (35), and a threaded hole group (37) consisting of 4 threaded holes is uniformly distributed on the right end surface of the inner ring (35); the outer ring (36) consists of a left inclined surface (21) and an annular surface (39), the left end of the left inclined surface (21) is fixedly connected with the outer ring on the right side of the left side plate (29), and the right end of the left inclined surface (21) is fixedly connected with the left end of the annular surface (39); hole groups III (41) consisting of 25-35 holes are uniformly distributed on the ring surface (39), the push rod groups (31) consist of 25-35 push rods, the push rod groups (31) are cylinders with the diameter phi 1 of 9mm and the length L of 56mm, nylon materials and the diameters phi 3 of two ends of the cylinders are 3mm hemispheres, kong (43) with the diameter phi 2 of 3mm are arranged at the position 32.5mm away from one end of each cylinder, the cylindrical pin groups (30) consist of 25-35 cylindrical pins, and each cylindrical pin is fixedly connected in Kong (43) of each push rod; the spring group (32) consists of 25-35 springs, and each push rod is fixedly connected with a cylindrical pin; 25-35 push rods of the push rod group (31) correspondingly penetrate between 25-35 holes of a hole group II (40) in the inner ring (35) and 25-35 holes of a hole group III (41) in a ring surface (39) in the outer ring (36); each spring of the spring group (32) is sleeved on each push rod of the push rod group (31) from outside to inside, and is limited by the cylindrical pin group (30) fixedly connected with the push rod group; a cylindrical cavity (26) is arranged in the cam (G), a shaft sleeve (33) is arranged on the right side of the cam (G), and a through hole (42) is formed in the shaft sleeve (33); the peripheral contour of the cam (G) is composed of KE arc, EF curve, FG curve, GH curve, HI curve, IJ curve, JK curve, wherein:
taking an equal fraction of the pushing movement angle beta 1 as n=6 from a pushing movement interval [0 ° -90 ° ] pushing movement angle beta 1=90° interval travel h=12mm;
[0°-15°]h1=1.2 mm, and ef curve equation is:
[15°-75°]h2=9.6mm, fg curve equation is:
[75°-90°]h3=1.2 mm, gh curve equation is:
the return stroke interval [90 ° -114 ° ] pushing movement angle β2=24° interval travel h=12mm, and the equal fraction of the pushing movement angle β2 is n=6::
[90°-94°]h1 =1.2 mm, hi curve equation is:
[94°-110°]h2 =9.6mm, ij curve equation is:
[110°-114°]h3 =1.2 mm, jk curve equation is:
[114°-360°]the KE circular arc curve equation is: x is x 2 +y 2 ＝3136。
2. The device for constructing the universal seedling-raising profiling seed pits of the rhizoma polygonati, the rhizoma polygonati yunnanensis and the radix notoginseng according to claim 1, which is characterized in that: the connecting assembly (B) consists of a connecting rod (4), an upper clamping plate (5) and a lower clamping plate (6), wherein: a semi-cylindrical notch I (8) is arranged below the upper clamping plate (5), a key groove II (9) is arranged at the top of the semi-cylindrical notch I (8), a hole III (10) is arranged at the near front end of the upper clamping plate (5), and a Kong (7) is arranged at the near rear end of the upper clamping plate (5); a semi-cylindrical notch II (12) is arranged on the lower clamping plate (6), kong (13) is arranged at the near front end of the lower clamping plate (6), and Kong (11) is arranged at the near rear end of the lower clamping plate (6); the lower end of the connecting rod (4) is fixedly connected with the upper surface of the upper clamping plate (5), and the upper clamping plate (5) and the lower clamping plate (6) are connected through bolts.
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