CN112715352A - Isolation hood for corn genetic breeding - Google Patents
Isolation hood for corn genetic breeding Download PDFInfo
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- CN112715352A CN112715352A CN202110128432.0A CN202110128432A CN112715352A CN 112715352 A CN112715352 A CN 112715352A CN 202110128432 A CN202110128432 A CN 202110128432A CN 112715352 A CN112715352 A CN 112715352A
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Abstract
The invention relates to an isolation hood for corn genetic breeding, which effectively solves the problems that the isolation hood for corn genetic breeding respectively isolates the male pollen and the corn stigma at the top end and the isolation of corn needs to be promoted; the technical scheme includes that the device comprises a supporting rod, a lifting rod is coaxially and vertically slidably connected in the supporting rod, a cantilever rod is vertically slidably connected at the upper end of the lifting rod, a male flower cover is connected at the right end of the cantilever rod, a positioning frame is fixedly connected at the lower end of the male flower cover, a front sealing plate and a rear sealing plate are respectively slidably connected at the front side and the rear side of the lower end of the positioning frame in a front-and-rear mode, the front sealing plate and the rear sealing plate slide in the front-and-rear mode to seal the male flower cover, an adjusting frame is fixedly connected at the left end of the positioning frame, a double-head lead screw is rotatably connected in the adjusting frame, a left adjusting sleeve and a right adjusting sleeve are fixedly connected at the left ends; the structure is simple and the practicability is strong.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an isolation hood for corn genetic breeding.
Background
Corn is one of important grain, feed and industrial raw material crops in China, and the corn is the first large grain crop in China in 2007. The social popularity of the corn hybrid is extremely high, the corn seeds are the most important commercial food crops, and the commercialization degree of the corn breeding is also the highest. The traditional breeding mode in China is summarized as 'individual workshop type' breeding, namely the breeding innovation of a topic group mode.
In the process of determining the combining ability of a large number of self-bred lines and combining and matching, one mode is to arrange an isolation region to carry out the testing and matching combination by taking the same test species as a male parent. In the mode, the male and female are uncoordinated, and artificial pollen collection is needed for auxiliary pollination; the other way is to carry out the matching force measurement by adopting the directional combination of manual pollen collection, and the way needs the auxiliary pollination of manual pollen collection if a large number of combinations need to be measured.
At present, the following problems are mostly existed in the process of maize selfing breeding:
1. the existing corn breeding isolation hood is mostly pulled out through a sulfuric acid paper bag, so that pollen is prevented from falling off and floating with wind, but the sulfuric acid paper bag needs to be manually taken down and the corn catkins need to be artificially pollinated, and the operation is complicated;
2. in the process of pollinating the corn, due to the height of the corn plants, the isolation and the covering of the top of the corn are carried out by means of external climbing equipment in the process of isolating the corn pollen;
3. when the pollen in the parchment paper bag is smeared on the corn stigma, the smearing is not uniform, so that the pollination is incomplete, the pollination effect is not good, and the breeding effect cannot be realized.
Accordingly, the present invention provides a corn genetic breeding cage to solve the above problems.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the isolation hood for corn genetic breeding, which effectively solves the problems that the isolation hood for corn genetic breeding respectively isolates the top male pollen and the corn stigma, the corn cannot be directly self-pollinated, the isolation of the corn needs to be promoted, and the operation is complicated.
The invention comprises a supporting rod and is characterized in that a lifting rod is coaxially and vertically connected in the supporting rod in a sliding manner, the upper end of the lifting rod is connected with a cantilever rod in a vertical sliding way, the right end of the cantilever rod is connected with a male flower cover, the lower end of the male flower cover is fixedly connected with a positioning frame, the front side and the rear side of the lower end of the positioning frame are respectively connected with a front sealing plate and a rear sealing plate in a front-back sliding manner, the front sealing plate and the rear sealing plate slide back and forth to seal the male flower cover, the left end of the positioning frame is fixedly connected with an adjusting frame, a double-head screw rod is rotationally connected in the adjusting frame, the left ends of the front sealing plate and the rear sealing plate are fixedly connected with a left adjusting sleeve and a right adjusting sleeve which are in threaded connection with the double-head screw rod, one end of the double-end screw rod is coaxially and fixedly connected with a wire wheel, and a wire drawing rope is wound on the wire wheel;
a sliding support is coaxially and fixedly connected to the lifting rod, a female flower cover is fixedly connected to the right end of the sliding support, an adjusting screw rod is rotatably connected in the sliding support, the upper end of the adjusting screw rod is in threaded connection with the cantilever rod, and an adjusting handle is coaxially and fixedly connected to the lower end of the adjusting screw rod;
the adjusting screw rod is rotatably connected with a sealing cover arranged at the upper end of the female flower cover;
the lifting screw hole is arranged in the supporting rod, the upper end of the supporting rod is rotatably connected with a rotating hand wheel which is in vertical sliding connection with the lifting rod, and the lower end of the lifting rod is provided with a lifting screw thread which is matched with the lifting screw hole.
Preferably, the male flower cover is connected with the cantilever rod in a left-right sliding manner, a fixed transverse plate is fixedly connected in the cantilever rod, an expansion spring is fixedly connected between the fixed transverse plate and the male flower cover, a pull rope penetrates through the expansion spring, one end of the pull rope is fixedly connected with the male flower cover, and the pull rope passes through the cantilever rod to vertically hang downwards;
the upper end of the male flower cover is provided with a locking wedge-shaped groove on the front side and the rear side, and the cantilever rod is close to the right side of the fixed transverse plate and is connected with a locking inclined block matched with the locking wedge-shaped groove in a front-back sliding mode.
Preferably, the front sealing plate and the rear sealing plate are internally connected with arc-shaped sealing plates in a left-right sliding mode, the opposite sides of the arc-shaped sealing plates are fixedly connected with elastic arc-shaped strips, and the arc-shaped sealing plates are connected with the front sealing plate and the rear sealing plate through springs.
Preferably, the male flower cover is internally and fixedly connected with an upper threaded rod and a lower threaded rod, the lower ends of the upper threaded rod and the lower threaded rod are coaxially and fixedly connected with a rotating ring rod, the lower end of the rotating ring rod is fixedly connected with a plurality of semi-spheres, a plurality of rotating soft rods are fixedly connected with the upper threaded rod and the lower threaded rod above the rotating ring rod, and one end of each rotating soft rod, far away from the rotating ring rod, is fixedly connected with a vibration ball;
female flower cover in sliding connection have pollen vibration dish from top to bottom, pollen vibration dish lower extreme pass through the spring with female flower cover fixed connection, pollen vibration dish upper end fixedly connected with a plurality of arc gag lever posts, the arc gag lever post with vibrations ball cooperate.
Preferably, the male flower cover and the female flower cover are both made of transparent materials.
Preferably, the outer walls of the male flower cover and the female flower cover are provided with vent holes, and the vent holes are inclined downwards.
Preferably, the sealing cover and the coaxial rotating connection are connected to the adjusting screw rod in a fixed connection mode, the inner wall of the rotating sleeve is provided with a spiral sliding rail, and the adjusting screw rod is fixedly connected with a limiting pin matched with the spiral sliding rail.
Preferably, the lower end of the supporting rod is fixedly connected with a fixed fork, and the fixed fork comprises a plurality of fixed conical teeth.
The invention improves the prior corn breeding isolation hood, and effectively solves the problems of respectively isolating male flowers and female flowers of the corn and bagging isolation of the top end of the corn without an external device by arranging the supporting rod, the lifting rod, the male flower hood and the female flower hood; the problem that pollen falls off and falls off when pollen is isolated and collected at the top end is effectively solved by additionally arranging the front sealing plate, the rear sealing plate, the arc-shaped sealing plate and the elastic arc-shaped strip; the problem of efficient and uniform pollination of the corn is effectively solved by additionally arranging an upper threaded rod, a lower threaded rod, a rotating rod ring, a semicircular ball, a rotating soft rod, a vibrating ball and a pollen vibrating disk; and the structure is simple and stable, and the universality is extremely high.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a partial view of the male flower cover of the present invention.
FIG. 3 is a partial schematic view of the male flower cover of the present invention.
Figure 4 is a schematic view in partial cross-section of a male flower cover of the present invention.
FIG. 5 is a schematic cross-sectional view of a female housing of the present invention.
Fig. 6 is a partial perspective view of the female flower cover and the connecting member of the present invention.
Fig. 7 is a schematic cross-sectional view of the sealing cap of the present invention.
Fig. 8 is a cross-sectional view of the lifter of the present invention.
FIG. 9 is a partial perspective view of the pollen shaking and falling-off mechanism of the present invention.
Fig. 10 is a perspective view of the male flower cover of the present invention.
Fig. 11 is a perspective view of a female flower cover of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 11. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
The invention discloses a corn genetic breeding isolation hood, which comprises a support rod 1, wherein the lower end of the support rod 1 is arranged beside the root of corn and inserted into the bottom surface to support and fix a subsequent structure, and is characterized in that a lifting rod 2 is coaxially and vertically connected in the support rod 1 in a sliding manner, the lifting rod 2 coaxially and vertically slides along the support rod 1, a rectangular sliding block is fixedly connected on the support rod 1, a rectangular sliding rail matched with the rectangular sliding block is arranged on the lifting rod 2, so that the lifting rod 2 can only vertically slide along the support rod 1, a cantilever rod 3 is vertically and slidably connected at the upper end of the lifting rod 2, the cantilever rod 3 is fixedly connected with the lifting sliding block matched with the rectangular sliding rail, the right end of the cantilever rod 3 is connected with a male flower cover 4, and in the embodiment, the male flower cover 4 is connected with the cantilever rod 3 in a left-sliding manner, in this embodiment, the male flower cover 4 is connected with a left-right rotation adjusting screw in the cantilever bar 3 in a rotating manner, the left-right rotation adjusting screw is rotated to drive the male flower cover 4 to slide left and right, the lower end of the male flower cover 4 is fixedly connected with a positioning frame 5, the front side and the rear side of the lower end of the positioning frame 5 are respectively connected with a front sealing plate 6 and a rear sealing plate 7 in a front-back sliding manner, the front sealing plate 6 and the rear sealing plate 7 slide back and forth to seal the male flower cover 4, the left end of the positioning frame 5 is fixedly connected with an adjusting frame 8, the adjusting frame 8 is connected with a double-head screw 9 in a rotating manner, the left ends of the front sealing plate 6 and the rear sealing plate 7 are both fixedly connected with a left-right adjusting sleeve 10, the left-right adjusting sleeve 10 is in threaded connection with the double-head screw 9, one end of the double-head screw, a stay cord is wound on the wire wheel 11, the wire wheel 11 is driven to rotate by pulling the stay cord, the wire wheel 11 rotates to drive the double-headed screw to rotate, the double-headed screw rotates to drive the two left and right adjusting sleeves 10 to reversely slide, the two left and right adjusting sleeves 10 reversely slide to drive the front sealing plate 6 and the rear sealing plate 7 to reversely slide, the male flower cover 4 is sealed, and pollen in the male flower cover 4 cannot float from the lower end of the male flower cover 4;
the lifting rod 2 is coaxially and fixedly connected with a sliding support 12, the right end of the sliding support 12 is fixedly connected with a female flower cover 13, the sliding support 12 is connected with an adjusting screw rod 14 in a rotating mode, the upper end of the adjusting screw rod 14 is in threaded connection with the cantilever rod 3, the lower end of the adjusting screw rod 14 is coaxially and fixedly connected with an adjusting handle 15, the adjusting handle 15 is rotated to drive the adjusting screw rod 14 to rotate synchronously, and the adjusting screw rod 14 rotates to drive the cantilever rod 3 to slide downwards under the limiting effect of the supporting rod 1 on the cantilever rod 3 so as to drive the male flower cover 4 to slide downwards synchronously;
the adjusting screw 14 is rotatably connected with a sealing cover 16 arranged at the upper end of the female flower cover 13, the upper end of the female flower cover 13 is sealed through the sealing cover 16, and male pollen on other external plants is prevented from falling on the corn stigma to realize hybridization;
a lifting threaded hole 17 is formed in the supporting rod 1, the upper end of the supporting rod 1 is rotatably connected with a rotating hand wheel 18 which is in up-and-down sliding connection with the lifting rod 2, the rotating hand wheel 18 is rotated to drive the lifting rod 2 to rotate synchronously, the lower end of the lifting rod 2 is provided with a lifting thread which is matched with the lifting threaded hole 17, the lifting rod 2 slides up and down along the supporting rod 1 in the rotating process of the lifting rod 2, and the device is further suitable for corn plants with different heights;
in the embodiment, when the corn stigma device is specifically implemented, the male flower cover 4 is in an open state in an initial state, the left-right rotation adjusting screw rod is rotated to enable the male flower cover 4 to slide to the rightmost end, then the rotating hand wheel 18 is rotated to drive the lifting rod 2 to slide upwards, and further drive the female flower cover 13 and the male flower cover 4 to slide upwards synchronously, when the female flower cover 13 slides to be level with the upper end of the corn cob, the adjusting handle 15 is rotated to drive the adjusting screw rod 14 to rotate synchronously, and further drive the cantilever rod 3 to slide upwards until the lower end of the male flower cover 4 is located at the top end of the corn plant, then the supporting rod 1 is inserted into the bottom surface, so that the female flower cover 13 is located at the upper end of the corn stigma, meanwhile, the male flower cover 4 is located at the top end of the corn, and then the rotating hand wheel 18 is rotated in the direction, the lifting rod 2 is made to slide downwards until the female flower cover 13 completely covers the corn silk, then the sealing cover 16 is covered, then the adjusting handle 15 is rotated reversely, the cantilever rod 3 is driven to descend through the adjusting screw rod 14, further the male flower cover 4 is completely covered at the top end of the corn, then the pull rope is pulled, the front sealing plate 6 and the rear sealing plate 7 are driven to slide oppositely through the wire wheel 11, the double-headed screw rod and the left-right adjusting sleeve 10, the sealing of the male flower cover 4 is realized, when pollination is needed, the adjusting handle 15 is rotated to make the male flower cover 4 ascend, pollen is carried to ascend, then the supporting rod 1 is rotated to make the male flower cover 4 deviate, then the adjusting screw rod 14 is rotated to make the male flower cover 4 descend, and then the sealing cover plate is opened, and enabling the male flower cover 4 to correspond to the female flower cover 13, reversely pulling the pull rope to open the male flower cover 4, enabling pollen to enter the female flower cover 13, and pollinating the corn.
In the second embodiment, on the basis of the first embodiment, when the top end of the corn is sleeved by the adjusted distance, the positioning is inaccurate and the position is cheap, so the present embodiment provides a mechanism for controlling the male flower cover 4 to slide in the left and right directions, specifically, the male flower cover 4 is connected with the cantilever rod 3 in the left and right directions in a sliding manner, the cantilever rod 3 is internally and fixedly connected with a fixed transverse plate 19, a telescopic spring 20 is fixedly connected between the fixed transverse plate 19 and the male flower cover 4, a pull rope is arranged in the telescopic spring 20 in a penetrating manner, one end of the pull rope is fixedly connected with the male flower cover 4, the pull rope passes through the cantilever rod 3 to vertically hang downwards, the male flower cover 4 is driven by pulling the pull rope to push the telescopic spring 20 to slide in the left direction, and by loosening the pull rope, under the action of the extension spring 20, the male flower cover 4 can slide to the right side;
locking wedge 21 has all been seted up to the side around the male flower cover 4 upper end, cantilever bar 3 be close to fixed diaphragm 19 right side around sliding connection have with locking wedge 21 matched with locking sloping block, through locking wedge 21 with the cooperation of locking sloping block can realize right the locking of male flower cover 4 fixed, it is right to have avoided the stay cord to fix, guarantee right male flower cover 4 fixed, solved simultaneously right cantilever bar 3 when gliding, need stimulate in step the stay cord, guarantee male flower cover 4 can not appear the problem of rocking.
In the third embodiment, on the basis of the second embodiment, when the male flower cover 4 is sealed by the front sealing plate 6 and the rear sealing plate 7, since the front sealing plate 6 and the rear sealing plate 7 have a gap after contacting with the corn plant, so that the pollen collecting process has a problem of falling off, the present embodiment provides a highly sealed and closed structure of the male flower cover 4, specifically, the front sealing plate 6 and the rear sealing plate 7 are both connected with arc sealing plates 23 in a left-right sliding manner, the opposite sides of the two arc sealing plates 23 are both fixedly connected with elastic arc strips 24, the arc sealing plates 23 are connected with the front sealing plate 6 and the rear sealing plate 7 by springs, when the front sealing plate 6 and the rear sealing plate 7 slide in opposite directions to seal the male flower cover 4, the corn plant is covered by the elastic arc strips 24, avoid arc closing plate 23 with corn plant between form the clearance, lead to pollen landing to the external world.
Fourth embodiment, on the basis of third embodiment, when pollinating corn through the laminating of male flower cover 4 and female flower cover 13, pollen can appear and spill unevenly and pollen adheres to the phenomenon of the bear flower cover inner wall, so this embodiment provides the problem of high-efficient high combination law pollination, specifically, male flower cover 4 threaded connection have upper and lower threaded rod 25, upper and lower threaded rod 25 lower extreme coaxial fixedly connected with rotate ring pole 26, rotate ring pole 26 lower extreme fixedly connected with a plurality of semicircle balls 27, rotate ring pole 26 above put a plurality of with upper and lower threaded rod 25 fixedly connected with rotatory soft pole 28, rotatory soft pole 28 keep away from rotate ring pole 26 one end fixedly connected with shake ball 29, upper and lower threaded rod 25 pivoted in-process drive shake ball 29 do centrifugal motion under the tensile effect of rotatory soft pole 28, the vibration ball 29 is made to impact the inner wall of the male flower cover 4, pollen adhered to the inner wall of the male flower cover 4 is shaken off, the upper threaded rod 25 and the lower threaded rod 25 are positioned at the uppermost end in an initial state, the rotating ring rod 26 is made to be attached to the inner wall of the upper end of the male flower cover 4, when pollination is needed, the upper threaded rod 25 and the lower threaded rod 25 are rotated to make the upper threaded rod 25 slide downwards, the rotating ring rod 26 and the rotating soft rod 28 are driven to slide downwards, and the pollen in the male flower cover 4 slides downwards;
Fifth, on the basis of the first embodiment, in order to observe the growth of the corns inside the male flower cover 4 and the female flower cover 13 and pollinate the corns in time, the male flower cover 4 and the female flower cover 13 are made of transparent materials.
Sixth embodiment, on the basis of fifth embodiment, when pollinating the maize, the growth of plant can not be opened light and wind, guarantees the good mobility of air, so this embodiment provides a ventilation structure, and is concrete, male flower cover 4 and female flower cover 13 outer wall all seted up ventilation hole 32, ventilation hole 32 all be the slope downwards direction, guarantee the effective flow of air, simultaneously ventilation hole 32 pollen of having avoided external debris and other plants get into with the wind male flower cover 4 and female flower cover 13 in, influence maize breeding.
Seventh embodiment, on the basis of the first embodiment, in order to realize that the seal cover 16 is rotated to open the female flower cover 13 in the process of adjusting the male flower cover 4 to slide downward, so as to ensure that the male flower cover 4 is communicated with the female flower cover 13, the present embodiment provides a structure for automatically rotating the seal cover plate, specifically, the seal cover 16 is fixedly connected with a rotating sleeve 33 coaxially and rotatably connected to the adjusting screw 14, a spiral sliding rail 34 is disposed on an inner wall of the rotating sleeve 33, the spiral sliding rail 34 is a middle spiral structure, two ends of the middle spiral structure are circular, a limit pin matched with the spiral sliding rail 34 is fixedly connected to the adjusting screw 14, so that the adjusting screw 14 rotates to drive the limit pin to rotate synchronously, the limit pin rotates to drive the rotating sleeve 33 to rotate through the spiral sliding rail 34 and separate from the female flower cover 13, and opening the female flower cover 13, and simultaneously, when the limiting pin slides to the upper end of the spiral slide rail 34, rotating the limiting pin in the circular spiral slide rail 34 to keep the position of the sealing cover plate unchanged, so that the male flower cover 4 and the female flower cover 13 are jointed and communicated.
Eighth embodiment, on the basis of first embodiment, in order to guarantee the stability of male flower cover 4 and female flower cover 13, guarantee the stable ground of inserting of bracing piece 1, so this embodiment provides a structure that bracing piece 1 is fixed, 1 lower extreme fixedly connected with of bracing piece 35, fixed fork 35 include a plurality of fixed tapered teeth, insert through fixed tapered teeth in the ground, realize fixed to bracing piece 1.
When the corn stigma device is used specifically, the male flower cover 4 is in an open state in an initial state, the left-right rotation adjusting screw rod is rotated to enable the male flower cover 4 to slide to the rightmost end, then the rotation hand wheel 18 is rotated to drive the lifting rod 2 to slide upwards, further the female flower cover 13 and the male flower cover 4 are driven to slide upwards synchronously, when the female flower cover 13 slides to be level with the upper end of a corn cob, the locking wedge-shaped groove 21 and the locking inclined block are opened to unlock the male flower cover 4, then the pull rope is pulled, the pull rope is loosened, under the action of the telescopic spring 20, the cantilever rod 3 slides upwards until the lower end of the male flower cover 4 is located at the top end of a corn plant, the pull rope is fixed, the male flower cover 4 is located right above the corn, then the support rod 1 is inserted into the bottom surface to enable the female flower cover 13 to be located right above the corn stigma, meanwhile, the male flower cover 4 is located right top end of the corn stigma, then the rotation hand, then a sealing cover 16 is covered, then an adjusting handle 15 is rotated reversely to drive a cantilever rod 3 to descend through an adjusting screw rod 14, further the male flower cover 4 is completely covered on the top end of the corn, then a pull cord is pulled, a front sealing plate 6 and a rear sealing plate 7 are driven to slide oppositely through a wire wheel 11, a double-head screw rod and a left-right adjusting sleeve 10, sealing of the male flower cover 4 is realized, meanwhile, the male flower cover 4 is sealed through an elastic arc-shaped strip 24, when pollination is needed, the adjusting handle 15 is rotated to enable the male flower cover 4 to ascend, pollen is carried to ascend, then a supporting rod 1 is rotated to enable the male flower cover 4 to deviate, then the adjusting screw rod 14 is rotated to enable the male flower cover 4 to descend, then the sealing cover plate is opened to enable the male flower cover 4 to correspond to the female flower cover 13, then the pull cord is rotated reversely to open the male flower cover 4, pollen enters the female flower cover 13, an upper threaded, the rotating ring rod 26 and the rotating soft rod 28 are driven to slide downwards, so that the pollen in the male flower cover 4 slides downwards;
when the upper threaded rod 25 and the lower threaded rod 25 slide to the lowest end, the upper threaded rod 25 and the lower threaded rod 25 idle run to drive the rotating ring rod 26 to rotate, the rotating ring rod 26 rotates to drive the vibrating ball 29 to rotate, and when the vibrating ball 29 is in contact with and is separated from the arc-shaped limiting rod 31, the pollen vibrating disk 30 is driven to slide up and down in a reciprocating manner, so that the vibration of the pollen vibrating disk 30 is realized, pollen is uniformly scattered in the female flower cover 13, and the corn is uniformly pollinated.
The invention improves the prior corn breeding isolation hood, and effectively solves the problems of respectively isolating male flowers and female flowers of the corn and bagging isolation of the top end of the corn without an external device by arranging the supporting rod, the lifting rod, the male flower hood and the female flower hood; the problem that pollen falls off and falls off when pollen is isolated and collected at the top end is effectively solved by additionally arranging the front sealing plate, the rear sealing plate, the arc-shaped sealing plate and the elastic arc-shaped strip; the problem of efficient and uniform pollination of the corn is effectively solved by additionally arranging an upper threaded rod, a lower threaded rod, a rotating rod ring, a semicircular ball, a rotating soft rod, a vibrating ball and a pollen vibrating disk; and the structure is simple and stable, and the universality is extremely high.
Claims (8)
1. The isolation hood for corn genetic breeding comprises a supporting rod (1) and is characterized in that a lifting rod (2) is coaxially and vertically connected in the supporting rod (1) in a sliding mode, a cantilever rod (3) is vertically connected at the upper end of the lifting rod (2) in a sliding mode, a male flower cover (4) is connected at the right end of the cantilever rod (3), a positioning frame (5) is fixedly connected at the lower end of the male flower cover (4), a front sealing plate (6) and a rear sealing plate (7) are respectively connected at the front side and the rear side of the lower end of the positioning frame (5) in a front-and-rear sliding mode, the front sealing plate (6) and the rear sealing plate (7) slide back and forth to seal the male flower cover (4), an adjusting frame (8) is fixedly connected at the left end of the positioning frame (5), a double-end lead screw (9) is rotationally connected in the adjusting frame (8), and left and right adjusting sleeves (10) are fixedly connected at the, the two left and right adjusting sleeves (10) are in threaded connection with the double-threaded lead screw (9), one end of the double-threaded lead screw is coaxially and fixedly connected with a wire wheel (11), and a wire pulling rope is wound on the wire wheel (11);
a sliding support (12) is coaxially and fixedly connected to the lifting rod (2), a female flower cover (13) is fixedly connected to the right end of the sliding support (12), an adjusting screw rod (14) is rotatably connected to the sliding support (12), the upper end of the adjusting screw rod (14) is in threaded connection with the cantilever rod (3), and an adjusting handle (15) is coaxially and fixedly connected to the lower end of the adjusting screw rod (14);
the adjusting screw rod (14) is rotatably connected with a sealing cover (16) arranged at the upper end of the female flower cover (13);
the novel lifting device is characterized in that a lifting threaded hole (17) is formed in the supporting rod (1), the upper end of the supporting rod (1) is rotatably connected with a rotating hand wheel (18) which is connected with the lifting rod (2) in a vertical sliding mode, and the lower end of the lifting rod (2) is provided with a lifting thread which is matched with the lifting threaded hole (17).
2. The isolation hood for corn genetic breeding according to claim 2, characterized in that the male flower hood (4) is connected with the cantilever rod (3) in a left-right sliding manner, a fixed transverse plate (19) is fixedly connected in the cantilever rod (3), a telescopic spring (20) is fixedly connected between the fixed transverse plate (19) and the male flower hood (4), a pull rope penetrates through the telescopic spring (20), one end of the pull rope is fixedly connected with the male flower hood (4), and the pull rope passes through the cantilever rod (3) to hang vertically;
locking wedge groove (21) have all been seted up to side around male flower cover (4) upper end, cantilever bar (3) be close to fixed diaphragm (19) right side around sliding connection have with locking wedge groove (21) matched with locking sloping block.
3. The isolation hood for corn genetic breeding according to claim 2, wherein the front sealing plate (6) and the rear sealing plate (7) are connected with arc-shaped sealing plates (23) in a left-right sliding manner, elastic arc-shaped strips (24) are fixedly connected to opposite sides of the two arc-shaped sealing plates (23), and the arc-shaped sealing plates (23), the front sealing plate (6) and the rear sealing plate (7) are connected through springs.
4. The isolation hood for corn genetic breeding according to claim 3, characterized in that an upper threaded rod and a lower threaded rod (25) are connected with the male hood (4) in an inner thread manner, the lower ends of the upper threaded rod and the lower threaded rod (25) are coaxially and fixedly connected with a rotating ring rod (26), the lower end of the rotating ring rod (26) is fixedly connected with a plurality of semi-spheres (27), a plurality of rotating soft rods (28) are fixedly connected with the upper threaded rod and the lower threaded rod (25) above the rotating ring rod (26), and one ends of the rotating soft rods (28) far away from the rotating ring rod (26) are fixedly connected with shaking balls (29);
female flower cover (13) in sliding connection have pollen vibration dish (30) from top to bottom, pollen vibration dish (30) lower extreme pass through the spring with female flower cover (13) fixed connection, pollen vibration dish (30) upper end fixedly connected with a plurality of arc gag lever posts (31), arc gag lever post (31) with vibrations ball (29) cooperate.
5. The isolation hood for corn genetic breeding according to claim 1, wherein the male flower hood (4) and the female flower hood (13) are both made of transparent materials.
6. The isolation hood for corn genetic breeding as claimed in claim 5, wherein the outer walls of the male flower hood (4) and the female flower hood (13) are both provided with vent holes (32), and the vent holes (32) are all in an inclined downward direction.
7. The isolation hood for corn genetic breeding according to claim 1, wherein the sealing cover (16) is fixedly connected with a rotating sleeve (33) coaxially and rotatably connected to the adjusting screw (14), a spiral sliding rail (34) is arranged on the inner wall of the rotating sleeve (33), and a limit pin matched with the spiral sliding rail (34) is fixedly connected to the adjusting screw (14).
8. The isolation hood for corn genetic breeding according to claim 1, wherein a fixing fork (35) is fixedly connected to the lower end of the support rod (1), and the fixing fork (35) comprises a plurality of fixing tapered teeth.
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| CN202110128432.0A CN112715352B (en) | 2021-01-29 | 2021-01-29 | Isolation hood for corn genetic breeding |
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| CN202110128432.0A CN112715352B (en) | 2021-01-29 | 2021-01-29 | Isolation hood for corn genetic breeding |
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| CN112715352B CN112715352B (en) | 2022-02-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342905A (en) * | 2022-02-24 | 2022-04-15 | 重庆工程职业技术学院 | Agricultural disease and pest control device based on Internet of things platform |
| CN115720847A (en) * | 2022-10-14 | 2023-03-03 | 吉林省农业科学院 | Pollination device for hybrid millet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210130231U (en) * | 2019-05-31 | 2020-03-10 | 渭南市农业科学研究所 | Pollination device is kept apart to female flower of melon breeding and male flower |
| CN111280051A (en) * | 2020-02-27 | 2020-06-16 | 山东省农业科学院玉米研究所（山东省农业科学院玉米工程技术研究中心） | Be applied to powder ware of getting that uses in maize breeding |
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2021
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210130231U (en) * | 2019-05-31 | 2020-03-10 | 渭南市农业科学研究所 | Pollination device is kept apart to female flower of melon breeding and male flower |
| CN111280051A (en) * | 2020-02-27 | 2020-06-16 | 山东省农业科学院玉米研究所（山东省农业科学院玉米工程技术研究中心） | Be applied to powder ware of getting that uses in maize breeding |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342905A (en) * | 2022-02-24 | 2022-04-15 | 重庆工程职业技术学院 | Agricultural disease and pest control device based on Internet of things platform |
| CN115720847A (en) * | 2022-10-14 | 2023-03-03 | 吉林省农业科学院 | Pollination device for hybrid millet |
| CN115720847B (en) * | 2022-10-14 | 2024-01-26 | 吉林省农业科学院 | Hybrid millet pollination device |
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| CN112715352B (en) | 2022-02-01 |
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