CN206978002U - Track type suppending cup type zero-speed planting mechanism - Google Patents

Track type suppending cup type zero-speed planting mechanism Download PDF

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Publication number
CN206978002U
CN206978002U CN201720531507.9U CN201720531507U CN206978002U CN 206978002 U CN206978002 U CN 206978002U CN 201720531507 U CN201720531507 U CN 201720531507U CN 206978002 U CN206978002 U CN 206978002U
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track
cup
seedling
mounting bracket
planting mechanism
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宋建农
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China Agricultural University
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China Agricultural University
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Abstract

The utility model is related to track type suppending cup type zero-speed planting mechanism, including sprocket wheel, track chain, hang cup, seedling device is put in interval-automatic, throws seedling driving track, mounting bracket and transmission device;Mounting bracket is cube shaped framework, is provided with rear side of mounting bracket and throws seedling driving track;Sprocket wheel is two groups, and two groups of sprocket wheels are separately mounted at left and right sides of the inside of mounting bracket, and two track chains are arranged on two groups of different sprocket wheels of height in the horizontal direction respectively, are connected between two groups of sprocket wheels by transmission device;Equidistantly it is hinged on two track chains and some hangs cup;Seedlings picking bucket is connected on rear side of mounting bracket on the crossbeam on top, the bottom of seedlings picking bucket is interval-automatic seedling setting hole, two butterflys below seedlings picking bucket are each hinged with seedlings picking bucket, and two butterfly be intermeshed by tooth-shape structure, back-moving spring I, the lower section welding handle of one of butterfly are installed between two butterflys.The planting mechanism realizes zero-speed transplanting, and guarantee is provided to improve rice shoot upright degree.

Description

Track type suppending cup type zero-speed planting mechanism
Technical field
The utility model belongs to mechanization of agriculture transplantation technique field, and in particular to a kind of track type suppending cup type zero-speed plant Mechanism.
Background technology
Culturing and transplanting seedlings are the particularly important rings in vegetables production planting link, and kind is directly sowed relative to vegetables and is implanted with The advantages of many.Using Planting Patterns planting vegetable, crop growth period can be extended, improve its multiple crop index, alleviate accumulated temperature The contradiction of deficiency, improve yield of vegetables.Early growth dominance of the vegetables to weeds also can be established in transplanting using vegetable transplanting, Be advantageous to suppress the growth of weeds, improve the utilization ratio of field liquid manure.Vegetable transplanting can also avoid vegetables are live from being faced Germination percentage it is not high caused by be short of seedling problem.
Common transplanter planting mechanism mainly has suppending cup type, seedling guide tube type, chain-clip type, clamp type, defeated in the market Send belt etc., most common of which for suppending cup type planting mechanism.Suppending cup type planting mechanism is adaptable by force, reliability is high and can The advantages that being transplanted on film, but because the movement locus that cup is hung in suppending cup type planting mechanism is trochoidal curve, therefore fail to realize really Zero-speed in meaning throws seedling, and when hanging cup disengaging rice shoot, the cup that hangs not opened completely also easily stirs rice shoot cauline leaf, influences rice shoot Upright degree.
Utility model content
In order to solve the above problems, the utility model proposes a kind of track type suppending cup type zero-speed planting mechanism.
To achieve the above objectives, the utility model adopts the technical scheme that:
Track type suppending cup type zero-speed planting mechanism, including sprocket wheel, track chain, hang cup, seedling device is put in interval-automatic, throw seedling Drive track, mounting bracket and transmission device;
The mounting bracket is cube shaped framework, and mounting bracket is provided with some mounting holes, throwing is provided with rear side of mounting bracket Seedling drives track;
The sprocket wheel shares two groups, and every group includes former and later two sprocket wheels (1);One group of sprocket wheel (1) is installed in mounting bracket (5) The left upper portion in portion, another group of sprocket wheel (1) are installed on the internal lower right side of mounting bracket (5);Two track chains are respectively along level Direction is arranged on two groups of different sprocket wheels of height, is connected between two groups of sprocket wheels by transmission device;
It is described hang cup be respectively arranged on the left side and the right side highly different hinge holes, hang cup and two tracks be hinged on by hinge hole It is equidistantly articulated on two track chains some to hang cup on the inside of the chain link of chain correspondence position;
Seedling device is put in the interval-automatic includes seedlings picking bucket, butterfly, interval-automatic seedling setting hole, back-moving spring I and hand Handle;The seedlings picking bucket is fixedly connected on rear side of mounting bracket on the crossbeam on top by mounting hole, the seedlings picking bucket flare, is connect Miao Dou bottom is interval-automatic seedling setting hole, and the lower section of seedlings picking bucket is provided with two butterflys, two butterflys each with seedlings picking bucket It is be hinged, and the top of two butterflys is intermeshed by tooth-shape structure, passes through a back-moving spring I in the bottom of two butterflys Connection, back-moving spring I be in extended state, and one handle is welded in a lower section in two butterflys, and the handle is in strip, vertically Downwards, handle height need to make to hang cup and move to when interval-automatic is put below seedling device and can touch handle and open butterfly.
On the basis of such scheme, the track type suppending cup type zero-speed planting mechanism coordinates transplanter to use.
On the basis of such scheme, the sprocket wheel is connected with the land wheel of transplanter by transmission device, by certain The power of land wheel is transported to the track type suppending cup type zero-speed planting mechanism by the transmission device of gearratio, and makes power from side Sprocket wheel be delivered on the sprocket wheel of opposite side.
On the basis of such scheme, the transmission device includes two the first sprocket wheels, two the second sprocket wheels and a biography Moving axis, the power transmission shaft is installed on the top of crossbeam at left and right sides of mounting bracket top, and a top left side is stretched out at the both ends of power transmission shaft The crossbeam of right both sides;Two the first sprocket wheels are respectively arranged in the both ends of power transmission shaft;Two the second sprocket wheels respectively with two groups of sprocket wheels The connection of front side sprocket coaxiality;Two the first sprocket wheels are connected by chain with corresponding second sprocket wheel respectively.
On the basis of such scheme, two groups of sprocket wheels are fixedly mounted on the inside two of the mounting bracket by bearing block respectively Side.
On the basis of such scheme, described two butterflys are symmetrical sector structure.
On the basis of such scheme, the cup that hangs includes:Seedlings picking mouth, duckbilled, back-moving spring II, bearing, hinge hole and Seedling setting hole plectrum;The seedlings picking mouth flare, the left and right sides of seedlings picking mouth is provided with two highly different hinge holes, described to connect The forward right side top of seedling mouth is provided with seedling setting hole plectrum, and two duckbilled hinge joints are in the lower end of seedlings picking mouth, the tooth form on two duckbilled top Intermeshing, the top of two duckbilleds are connected by back-moving spring II, and the left and right sides upper end of two duckbilleds is respectively equipped with an axle Hold.
On the basis of such scheme, the seedling driving track of throwing is by the width identical arc plate and rectangle placed vertically Plate forms, and the rear side of mounting bracket is fixed in one end of arc plate, and the other end is connected with rectangular slab, and rectangular slab, which is located at, hangs a glass track type The bottom of running track;When hanging cup and running to one end away from arc of rectangular slab, throw the medial surface of seedling driving track and hang cup The bearing touch in left side.
On the basis of such scheme, the radius of the arc plate is equal with the reference radius of sprocket wheel.
Beneficial effect:Track type suppending cup type zero-speed planting mechanism described in the utility model by using track type track, The time that cup be in absolute zero-speed is hung in increase, makes to hang cup and has time enough to open duckbilled and completes throwing seedling, then hang cup complete Rice shoot is left in the state of opening, substantially reduces the interference for hanging cup to rice shoot, improves rice shoot upright degree, and then improves plant matter Amount, improve transplanting survival rate.
Brief description of the drawings
The utility model has drawings described below:
Fig. 1 structural representations of the present utility model.
Seedling apparatus structure schematic diagram is put in Fig. 2 interval-automatics.
Fig. 3 hangs cup structure schematic diagram.
Fig. 4 hangs cup structure top view.
Fig. 5 throws seedling driving track front view.
Fig. 6 throws seedling driving track top view.
Fig. 7 a track type suppending cup type zero-speed planting mechanism the first schematic diagrames of the course of work.
Fig. 7 b track type suppending cup type zero-speed planting mechanism the second schematic diagrames of the course of work.
The schematic diagram of Fig. 7 c track type suppending cup type zero-speed planting mechanisms course of work the 3rd.
The schematic diagram of Fig. 7 d track type suppending cup type zero-speed planting mechanisms course of work the 4th.
Fig. 8 track type suppending cup type zero-speed planting mechanism motion principle schematic diagrames, wherein v:Equipment pace;ω:Sprocket wheel Rotating speed;R:Sprocket wheel reference radius;h:The depth of planting.
Seedling device the first schematic diagram of operation principle is put in Fig. 9 a interval-automatics.
Seedling device the second schematic diagram of operation principle is put in Fig. 9 b interval-automatics.
Figure 10 throws seedling driving track driving and hangs the course of work schematic diagram that cup opening duckbilled throw seedling.
Reference:1st, sprocket wheel 2, track chain 3, power transmission shaft 4, seedlings picking bucket 5, mounting bracket 6, interval-automatic seedling setting hole 7th, throw seedling driving track 8, hang cup 9, butterfly 10, back-moving spring I 11, handle 12, seedlings picking mouth 13, seedling setting hole plectrum 14th, hinge hole 15, back-moving spring II 16, duckbilled 17, bearing 18, the second sprocket wheel 19, chain 20, the first sprocket wheel.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1-10.
Track type suppending cup type zero-speed planting mechanism described in the utility model, including sprocket wheel 1, track chain 2, hang cup 8, Interval-automatic puts seedling device, throws seedling driving track 7, mounting bracket 5 and transmission device.
When the track type suppending cup type zero-speed planting mechanism is arranged on transplanter, sprocket wheel 1 and the transplanter of planting mechanism Land wheel is connected by transmission device, and land wheel power is transported into planting mechanism by the transmission device of a stable drive ratio.The chain Wheel 1 is arranged on the left and right sides of the mounting bracket 5, and a pair two-by-two, both sides sprocket wheel 1 does not lead between same level height, sprocket wheel 1 The track chain 2 is crossed to connect.It is equidistantly articulated on track chain 2 some to hang cup 8.Cup 8 is hung to transplant with common suppending cup type Cup structure is similar for hanging in mechanism, but sets the different hinge hole 14 of a height respectively in the left and right sides, and two hinge holes 14 are distinguished With the hinge on two siding track chains 2.The top of planting mechanism sets interval-automatic to put seedling device.
Seedling device is put in interval-automatic includes seedlings picking bucket 4, butterfly 9, interval-automatic seedling setting hole 6, back-moving spring I 10 and hand Handle 11.The flare of seedlings picking bucket 4, lower section are hinged two butterflys 9.Two butterflys 9 are each be hinged with seedlings picking bucket 4, and two rotations The top for turning baffle plate 9 is intermeshed by tooth-shape structure.One back-moving spring I 10, back-moving spring I are installed between two butterflys 9 10 are in extended state.The lower section of the butterfly 9 welding one handle 11 of side, the handle 11 is in strip, straight down.Handle 11 Height, which need to make to hang, can touch handle 11 when cup 8 moves to seedlings picking 4 lower section of bucket and open butterfly 9.
The bottom of the running orbit of cup 8 is being hung, hanging cup 8 will be transitioned at the arc orbit of epimere from horizontal link chain, peace 5 sides are shelved to be mounted with to throw seedling driving track 7, throwing the medial surface of seedling driving track 7 can contact with hanging the bearing 17 of the side of cup 8, When hanging cup 8 and moving to chain and throw seedling position, the space for hanging cup 8 shrinks, and amount of contraction can make to hang cup 8 opens completely.
Mounting bracket 5 is a cube frame-shaped construction, and its ad-hoc location is provided with mounting hole, facilitates fixed bearing block, connect The grade parts of seedling bucket 4.
Transmission device includes two the first sprocket wheels, 20, two the second sprocket wheels 18 and a power transmission shaft 3, the power transmission shaft 3 are pacified Top loaded on crossbeam at left and right sides of the top of mounting bracket 5, and the crossbeam that the both ends of power transmission shaft 3 are stretched out at left and right sides of top, two Individual first sprocket wheel 20 is respectively arranged in the both ends of power transmission shaft 3, two the second sprocket wheels 18 respectively with the front side sprocket wheel in two groups of sprocket wheels 1 1 is coaxially connected, and two the first sprocket wheels 20 are connected by chain 19 with corresponding second sprocket wheel 18 respectively.Sprocket wheel 1 and transplanter Land wheel is connected by transmission device, and power is delivered to from the sprocket wheel of side on the sprocket wheel of opposite side, and power transmission shaft 3 does not pass through The core of track chain 2, in order to avoid interfered with the cup 8 that hangs of motion.
The course of work of track type suppending cup type zero-speed planting mechanism is as follows:First, the seedling taking device being used cooperatively is by rice shoot Taken out from hole tray and put into seedlings picking bucket 4, the tubaeform mouth of pipe of the rice shoot along seedlings picking bucket 4 drops down onto the interval-automatic of the bottom of seedlings picking bucket 4 The top (as shown in Figure 7a) of seedling setting hole 6, when the driving of track chain 2 hangs cup 8 along track type track motion to seedlings picking 4 lower section of bucket, Interval-automatic seedling setting hole 6 is opened, and rice shoot is launched to (as shown in Figure 7b) is hung in cup 8, cup 8 is then hung and continues relative to equipment edge Horizontal direction is moved backward, and movement velocity size is equal to equipment pace to realize ground speed as zero (such as Fig. 7 c institutes Show), cup 8 to be hung, which moves to, to be thrown at seedling driving track 7, and the duckbilled 16 for hanging the bottom of cup 8 is opened in the presence of seedling driving track 7 is thrown Open, rice shoot falls into Tanaka, hangs cup 8 and continues up the duckbilled 16 (as shown in figure 7d) for departing from rice shoot and closing bottom, so The progress that goes round and begins again is continuous to throw seedling action.
Interval-automatic is designed in track type suppending cup type zero-speed planting mechanism to put seedling device and realize that seedling function is put in interval-automatic, is adjusted The whole rice shoot positioned at different lines falls into the time difference of the bottom of seedlings picking bucket 4, planting mechanism is preferably matched the seedling taking of seedling picking mechanism Action, avoid because rice shoot fall time difference causes rice shoot to fail to fall into the situation for hanging cup generation.The knot of interval-automatic seedling setting hole 6 Structure is similar to the duckbilled 16 (as shown in Figure 2) of suppending cup type planting mechanism, pulling force effect of two butterflys 9 in back-moving spring I 10 Closure state is in down, handle 11 opens driving butterfly 9 after being stirred by external force, after external force disappears, back-moving spring I 10 re-close butterfly 9.
The course of work that seedling device is put in interval-automatic is as follows:After seedlings picking bucket 4 is connected to the rice shoot fallen from above, rice shoot drops down onto The top (as illustrated in fig. 9) of the interval-automatic seedling setting hole 6 of bottom, interval-automatic seedling setting hole 6 is in the presence of back-moving spring I 10 Closure, makes rice shoot be temporarily stored in seedlings picking bucket 4, hangs cup 8 and be moved under the driving of track chain 2 below seedlings picking bucket 4, and by The seedling setting hole plectrum 13 for hanging the side of cup 8 stirs the handle 11 of the bottom of interval-automatic seedling setting hole 6 and opens interval-automatic seedling setting hole 6 (as shown in figure 9b), the rice shoot in seedlings picking bucket 4 now just falls into hanging for lower section along interval-automatic seedling setting hole 6 and seedlings picking mouth 12 In cup 8, complete interval-automatic and put seedling, seedlings picking action.
Hanging cup 8 includes seedlings picking mouth 12, duckbilled 16, back-moving spring II 15, bearing 17, hinge hole 14 and seedling setting hole plectrum 13 (as shown in Figure 3).
Throw seedling driving track 7 drive hang cup 8 open duckbilled 16 carry out throw seedling the course of work it is as follows:Cup 8 is hung in track chain Rice shoot insertion soil is carried under the driving of bar 2, when hanging cup 8 and moving at throwing seedling driving track 7 entrance a (as shown in Figure 10), Hang the bearing 17 on the side duckbilled 16 of cup 8 and slip into throwing seedling driving track 7, continue to move to throwing seedling driving rail by a with cup 8 is hung When at road 7b (as shown in Figure 10), throw seedling driving track 7 and act on the bearing 17 hung on glass duckbilled 16, make duckbilled 16 around pin joint Rotate, among two duckbilled 16 under the driving of the partial gear of engagement, both sides duckbilled 16 opens to both sides simultaneously, positioned at hanging cup Rice shoot in 8 is dropped down onto in field soil, is then hung cup 8 and is moved under the driving of track chain 2 along the arc section of track type track, The bearing 17 hung on cup 8 moves upwards along bc sections, and now duckbilled 16 remains complete open configuration until bearing 17 leaves throwing Seedling driving track 7c place (as shown in Figure 10), hang cup 8 and leave after throwing seedling driven at track 7c, duckbilled 16 is in back-moving spring II 15 Effect is lower to be closed, and is hung cup 8 and is continued to receive next along the upward Motor preparation of track type track and treats transplanting seedlings.
Track type suppending cup type zero-speed planting mechanism motion principle schematic diagram is as shown in Figure 8.Two track chains 2 are respectively along level Direction is arranged on two pairs of different sprocket wheels 1 of height, and two pairs of sprocket wheels 1 are connected by transmission device, are made its rotating speed consistent, are hung cup 8 Both sides have highly different hinge holes 14 respectively, hinge hole 14 is hinged on the inside of the chain link of the correspondence position of two track chain 2.Pass Dynamic device drives two pairs of sprocket wheels 1 to rotate, and hangs cup 8 under the drive of track chain 2, track is done in the path moved along track chain 2 For the uniform motion of track type, it is respectively hinged at due to hanging on cup 8 at 2 points on two track chains 2, this 2 points movement locus It is identical and be synchronized with the movement, therefore it is always translation in motion process to hang cup 8, ensure that hang rice shoot in cup 8 will not be Slid in motion process.Because the power resources of the planting mechanism are in land wheel, the rotation of land wheel by chain drive to the device, The gearratio of its associated actuator sprocket wheel is designed, the linear velocity of land wheel can be made to be equal to the reference circle linear velocity of sprocket wheel 1, and 1 turn of sprocket wheel Dynamic direction is consistent with land wheel rotation direction.So, when hanging cup 8 and rotating to the track chain 2 of lower section, cup 8 is hung relative to equipment Speed be equal to land wheel rotation linear velocity, i.e. equipment pace, and therefore the pace of direction and equipment is on the contrary, hang 8 absolute velocity now of cup is zero, and it is absolute in the whole linear motion of underlying track chain 2 to hang cup 8 Speed is all zero, makes to hang cup 8 and has time enough to open lower section duckbilled 16 and carries out throwing seedling, substantially reduce and hang 8 pairs of rice shoots of cup Interference, zero-speed transplanting is realized, guarantee is provided to improve rice shoot upright degree.
The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.

Claims (9)

1. track type suppending cup type zero-speed planting mechanism, it is characterised in that:Including sprocket wheel (1), track chain (2), hang cup (8), Have a rest and put seedling device automatically, throw seedling driving track (7), mounting bracket (5) and transmission device;
The mounting bracket (5) is cube shaped framework, and mounting bracket (5) is provided with some mounting holes, the rear side installation of mounting bracket (5) Have and throw seedling driving track (7);
The sprocket wheel (1) shares two groups, and every group includes former and later two sprocket wheels (1);One group of sprocket wheel (1) is installed in mounting bracket (5) The left upper portion in portion, another group of sprocket wheel (1) are installed on the internal lower right side of mounting bracket (5);Two track chains (2) are respectively along water Square on two groups of sprocket wheels (1), connected between two groups of sprocket wheels (1) by transmission device;
It is described hang cup (8) be respectively arranged on the left side and the right side highly different hinge hole (14), hang cup (8) and pass through hinge hole (14) and cut with scissors It is connected on the inside of the chain link of two track chain (2) correspondence positions, it is equidistantly articulated on two track chains (2) some to hang cup (8);
Seedling device is put in the interval-automatic includes seedlings picking bucket (4), butterfly (9), interval-automatic seedling setting hole (6), back-moving spring I And handle (11) (10);The seedlings picking bucket (4) is fixedly connected on rear side of mounting bracket (5) on the crossbeam on top by mounting hole, institute Seedlings picking bucket (4) flare is stated, the bottom of seedlings picking bucket (4) is interval-automatic seedling setting hole (6), and the lower section of seedlings picking bucket (4) is provided with two Butterfly (9), two butterflys (9) are each be hinged with seedlings picking bucket (4), and the top of two butterflys (9) passes through tooth form knot Structure is intermeshed, and is connected in the bottom of two butterflys (9) by a back-moving spring I (10), and back-moving spring I (10) is in stretching State;Lower end welding one handle (11) in two butterflys (9), the handle (11) is in strip, straight down, handle (11) height need to make to hang cup (8) and move to touch handle (11) when interval-automatic is put below seedling device and open to rotate gear Plate (9).
2. track type suppending cup type zero-speed planting mechanism as claimed in claim 1, it is characterised in that:The track type suppending cup type zero Fast planting mechanism coordinates transplanter to use.
3. track type suppending cup type zero-speed planting mechanism as claimed in claim 2, it is characterised in that:The sprocket wheel (1) and transplanting The land wheel of machine is connected by transmission device, and the power of land wheel is transported into the track type suppending cup type zero-speed by transmission device Planting mechanism, and power is delivered to from the sprocket wheel (1) of side on the sprocket wheel (1) of opposite side.
4. track type suppending cup type zero-speed planting mechanism as claimed in claim 3, it is characterised in that:The transmission device includes two Individual first sprocket wheel (20), two the second sprocket wheels (18) and a power transmission shaft (3), the power transmission shaft (3) are installed on mounting bracket (5) top The top of end left and right sides crossbeam, and the crossbeam that the both ends of power transmission shaft (3) are stretched out at left and right sides of top;Two the first sprocket wheels (20) be respectively arranged in the both ends of power transmission shaft (3), two the second sprocket wheels (18) respectively with the front side sprocket wheel in two groups of sprocket wheels (1) (1) it is coaxially connected;Two the first sprocket wheels (20) are connected by chain (19) with corresponding second sprocket wheel (18) respectively.
5. track type suppending cup type zero-speed planting mechanism as claimed in claim 1, it is characterised in that:Two groups of sprocket wheels (1) are led to respectively Cross the inside both sides that bearing block is fixedly mounted on the mounting bracket (5).
6. track type suppending cup type zero-speed planting mechanism as claimed in claim 1, it is characterised in that:Described two butterflys (9) it is symmetrical sector structure.
7. track type suppending cup type zero-speed planting mechanism as claimed in claim 1, it is characterised in that:The cup (8) that hangs includes:Connect Seedling mouth (12), duckbilled (16), back-moving spring II (15), bearing (17), hinge hole (14) and seedling setting hole plectrum (13);The seedlings picking Mouth (12) flare, the left and right sides of seedlings picking mouth (12) is provided with two highly different hinge holes (14), the seedlings picking mouth (12) forward right side top is provided with seedling setting hole plectrum (13), and two duckbilled (16) hinge joints are in the lower end of seedlings picking mouth (12), two ducks The tooth form intermeshing on mouth (16) top, the top of two duckbilleds (16) are connected by back-moving spring II (15), two duckbilleds (16) Left and right sides upper end be respectively equipped with a bearing (17).
8. track type suppending cup type zero-speed planting mechanism as claimed in claim 7, it is characterised in that:The throwing seedling driving track (7) it is made up of the width identical arc plate and rectangular slab placed vertically, after mounting bracket (5) is fixed in one end of arc plate Side, the other end are connected with rectangular slab, and rectangular slab is located at the bottom for the track type running track for hanging cup (8);Cup (8) operation is hung to square During one end away from arc of shape plate, the medial surface for throwing seedling driving track (7) contacts with hanging the bearing (17) on the left of cup (8).
9. track type suppending cup type zero-speed planting mechanism as claimed in claim 8, it is characterised in that:The radius of the arc plate with The reference radius of sprocket wheel (1) is equal.
CN201720531507.9U 2017-05-15 2017-05-15 Track type suppending cup type zero-speed planting mechanism Active CN206978002U (en)

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Application Number Priority Date Filing Date Title
CN201720531507.9U CN206978002U (en) 2017-05-15 2017-05-15 Track type suppending cup type zero-speed planting mechanism

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Application Number Priority Date Filing Date Title
CN201720531507.9U CN206978002U (en) 2017-05-15 2017-05-15 Track type suppending cup type zero-speed planting mechanism

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107135722A (en) * 2017-05-15 2017-09-08 中国农业大学 Track type suppending cup type zero-speed planting mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107135722A (en) * 2017-05-15 2017-09-08 中国农业大学 Track type suppending cup type zero-speed planting mechanism

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Inventor after: Song Jiannong

Inventor after: Wang Mengmeng

Inventor after: Wang Jicheng

Inventor after: Liu Cailing

Inventor after: Dong Xiangqian

Inventor after: Xu Guanghao

Inventor after: Wei Dan

Inventor after: Zheng Shengxiang

Inventor before: Song Jiannong