CN204031823U - The cotton stalk drawing mechanism of a kind of sprocket-type - Google Patents
The cotton stalk drawing mechanism of a kind of sprocket-type Download PDFInfo
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- CN204031823U CN204031823U CN201420442563.1U CN201420442563U CN204031823U CN 204031823 U CN204031823 U CN 204031823U CN 201420442563 U CN201420442563 U CN 201420442563U CN 204031823 U CN204031823 U CN 204031823U
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- sprocket
- chain
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- disk
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Abstract
The utility model discloses the cotton stalk drawing mechanism of a kind of sprocket-type, pulling out sprocket and the device of pressing chain to coordinate that floats by having adopted, achieve and rising of the cotton stalk of different-diameter is pulled out; By point standing grain and the hack that adopt disc type to divide standing grain soil crushing device to carry out cotton stalk, spoiled soil structure, effectively reduces the adhesion between cotton stalk root system and soil, reaches a point standing grain guiding, to pull out the object of drag reduction; By adopting hydraulic system to carry out power drive, effectively can reduce field and working the vibration of pulling out, improve the stable continuity of complete machine Power output.Mechanism structure is simple, handling safety, fast cotton stalk can be connected root and rise and pull out, and to pull out respond well, significantly can reduce hand labor intensity, significantly reduce the labour intensity of peasant.The utility model also can be used for rising of the crop stem such as tobacco, crudefiber crop and pulls out.
Description
Technical field
The utility model relates to new cotton stalk harvester tool technical field, is specifically related to the cotton stalk drawing mechanism of a kind of sprocket-type, mainly realizes the propping up of the cotton stalk of lodging, point standing grain guiding, feeding clamping and conveying lay function.
Background technology
Cotton stalk, as a kind of important renewable biomass energy, has huge economic benefit.But because cotton stalk stem thickness is inconsistent, branch is many, be difficult to adopt machinery to gather in the crops, however adopt that artificial results intensity is large, efficiency is low, consuming time many; And the cotton stalk of burning disposal not only contaminated environment, waste valuable natural resources.
At present, cotton-stalk harvester tool many employings spade cutting type, promotion formula and knife roller type three kinds of forms of developing of China.Pull out parts and structure and carry out division according to rising and pull out the various ways such as roll-type, knife roller type, disc type, chain-clip type, fluted disc type.Spade cutting type and knife roller type are when gathering in the crops cotton stalk, and the cotton root of part remains in soil, affects the plantation of crop of lower season; Though disc type, fluted disc type adopt promotion mode to gather in the crops, decrease the residual of cotton root, because pulling force is non-adjustable, there is the phenomenon of leaking and pulling out and pulling off.
Therefore, based on above-mentioned actual conditions, develop a kind of cotton stalk drawing mechanism of sprocket-type, this agency cost is low, simple to operate, can effectively reduce the hand labor intensity of pulling out cotton stalk, rises pull out good adaptability to field, rise pull out respond well.
Utility model content
The purpose of this utility model is to provide a kind of sprocket-type cotton stalk drawing mechanism, and the propping up of the cotton stalk that can realize preferably lodging, point standing grain guiding, feeding clamping and conveying lay function, mechanism driving is more steady simultaneously.
For achieving the above object, following technical scheme is adopted:
As Fig. 1, the cotton stalk drawing mechanism of a kind of sprocket-type shown in 2, comprises a point standing grain soil crushing device, clamping convey device, U-shaped hanging device and hydraulic system.
A point standing grain soil crushing device as shown in Figure 3 comprises right hack disk installing rack, left hack disk installing rack, right hack disk link, left hack disk link, right bearing seat, left shaft holder, right hack disk, left hack disk; Right hack disk installing rack, left hack disk installing rack, right hack disk link, left hack disk link are hollow square tube, and four square tubes are respectively drilled with 5 equidistant through holes, between adjacent two through hole, spacing is 50mm; Right hack disk link, left hack disk link are set with in right hack disk installing rack, left hack disk installing rack square tube; Right hack disk link, left hack disk link lower end are connected with right bearing seat, left shaft holder respectively; Right hack disk and left hack disk are the disk that a center is provided with bearing; Right hack disk, left hack disk are installed on the inner side of right hack disk installing rack and left hack disk installing rack square tube by right hack disk link, left hack disk link symmetry; Two hack disk cards are perpendicular to the ground, all become 5 ° of angles with unit direction of advance simultaneously.
Clamping convey device as shown in Figure 4, comprises drive sprocket, driven sprocket, left bottom plate, right base plate, the first transportation sprocket, the second transportation sprocket, the first transmission sprocket wheel, the second transmission sprocket wheel, chain bracket, pressure of floating chain apparatus, bearing block, drive sprocket axle, driven chain wheel shaft, the first carrier chain wheel shaft, the second carrier chain wheel shaft, clamping chain, chain and lay chain; Left bottom plate, right base plate are arranged symmetrically with along unit direction of advance, and all become 30 ° with horizontal plane, keep the gap of 50mm between two plates; Right base plate is equipped with five groups of oval holes, is convenient to float and presses chain apparatus and right base plate to carry out bolt-connection; Be welded with motor mounts outside left bottom plate, hydraulic motor utilizes bolt-connection on motor mounts; Driven sprocket is installed on driven chain wheel shaft, and the second transportation sprocket, first transmits sprocket wheel and is installed on the second carrier chain wheel shaft, and the second transmission sprocket wheel, the first transportation sprocket are installed on the first carrier chain wheel shaft, and drive sprocket is installed on drive sprocket axle.
Clamping chain is as shown in Figure 4 double strand chain, and be installed on driven sprocket and first and transmit on sprocket wheel, gripping section sprocket is triangle, installs chain bracket in the inner side of gripping section chain.
Carrier chain is as shown in Figure 4 single-row chain, is installed on the first transportation sprocket and the second transportation sprocket, and transportation section sprocket is the angular rectangle in one end.
Lay chain is as shown in Figure 4 single-row chain, and be installed on drive sprocket and first and transmit on sprocket wheel, lay section sprocket is similarly the angular rectangle in one end.
Floating pressure chain apparatus as shown in Figure 5 comprises guide support frame, fairlead, screw rod lead, spring, L-type pressing plate, locking nut, guide support frame is the steel plate of a bending 90 °, two planes of bending all have the through hole that 5 equidistant, the short side of width is connected with right base plate by bolt, the side that width is long is welded with the fairlead of 5 with concentric place, hole; The long slab cross central line place of " L " type pressing plate is welded with 5 screw rod leads corresponding with fairlead, the screw rod lead of " L " type pressing plate loads spring, is fixed on guide support frame through after fairlead with locking nut.
U-shaped hanging device is as shown in Figure 6 welded by square steel tube, is welded in bottom left bottom plate and right base plate, overall in geometry " U " type; The little steel plate that U-shaped hanging device utilizes the left and right sides to be welded with and first mechanism's hitching frame carry out bolt-connection; The upper end of first mechanism's hitching frame and second mechanism's hitching frame adopts transverse tube hinge-coupled, and lower end utilizes hydraulic cylinder to support and utilizes pin to connect; And the mounting of the second mechanism utilizes screw attachment to be connected with the mounting spiral shell plate of tractor engine both sides.
The beneficial effects of the utility model are:
1, the utility model patent has adopted and has pulled out sprocket and the device of pressing chain to coordinate that floats, achieve and rising of the cotton stalk of different-diameter is pulled out, and fast cotton stalk can be connected root and rise and pull out, to pull out respond well, significantly can reduce hand labor intensity, significantly reduce the labour intensity of peasant.
2, disc type is adopted to divide standing grain soil crushing device in the utility model patent, can broken, impacting soil when its random groups is advanced, effectively reduce the adhesion between cotton stalk root system and soil, simultaneously its vertical card can lead to cotton stalk and prop up, thus reach drag reduction rise pull out, the object of point standing grain guiding.
Adopt each workpiece motion of hydraulic-driven in 3 the utility model patents, effectively can reduce field and work the vibration of pulling out, improve the stable continuity of complete machine Power output, safety simple to operate.
Accompanying drawing explanation
Fig. 1 is a kind of sprocket-type cotton stalk drawing mechanism front view.
Fig. 2 is a kind of sprocket-type cotton stalk drawing mechanism vertical view.
Fig. 3 is that hack divides standing grain apparatus structure schematic diagram.
Transport portion structure vertical view (in Fig. 2 part A enlarged drawing) is clamped in Fig. 4.
Fig. 5 is the pressure chain apparatus structural representation that floats.
Fig. 6 is the end view of U-shaped hanging device.
Wherein: the right hack disk of 1a-; The left hack disk of 1b-; 2a-right hack disk installing rack; The right left hack disk installing rack of 2b-; 3-gripping section sprocket; 4-U type hanging device; 5-transportation section sprocket; 6-lay section sprocket; 7-bearing block; 8-shaft coupling; 9-hydraulic motor; 10-first mechanism hitching frame; 11-hydraulic cylinder; 12-second mechanism hitching frame; 13-28 horsepower tractor; 14-tee ball valve; 15-manometer; 16-overflow valve; 17-fuel tank; 18-hand-operated direction valve; 19-driven sprocket; 20-driven chain wheel shaft; 21-chain bracket; 22-left bottom plate; 23-floats and presses chain apparatus; 24-drive sprocket axle; The right base plate of 25-; 26-second carrier chain wheel shaft; 27-second transportation sprocket; 28-first transmits sprocket wheel; 29-first carrier chain wheel shaft; 30-second transmits sprocket wheel; 31-first transportation sprocket; 32-drive sprocket; 33-gear pump; 34-motor mounts; 35-spring; 36-L-type pressing plate; 37-fairlead; 38-screw rod lead; 39-guide support frame; 40-locking nut; 41-divides standing grain soil crushing device; 42a-right hack disk link; 42b-left hack disk link; 43a-right bearing seat; 43b-left shaft holder.
Embodiment
Below in conjunction with accompanying drawing in detail embodiment of the present utility model is described in detail:
As Fig. 1, the cotton stalk drawing mechanism of a kind of sprocket-type shown in 2, comprise a point standing grain soil crushing device 41, clamping convey device, float press chain apparatus 23, U-shaped hanging device 4 forms, it is characterized in that:
A point standing grain soil crushing device 41 as shown in Fig. 3 comprises right hack disk installing rack 2a, left hack disk installing rack 2b, right hack disk link 42a, left hack disk link 42b, right bearing seat 43a, left shaft holder 43b, right hack disk 1a, left hack disk 1b; Right hack disk installing rack 2a, left hack disk installing rack 2b, right hack disk link 42a, left hack disk link 42b are hollow square tube, and four square tubes are respectively drilled with 5 equidistant through holes, between adjacent two through hole, spacing is 50mm; Right hack disk link 42a, left hack disk link 42b are set with in right hack disk installing rack 2a, left hack disk installing rack 2b square tube; Right hack disk link 42a, left hack disk link 42b lower end are connected with right bearing seat 43a, left shaft holder 43b respectively; Right hack disk 1a and left hack disk 1b is the disk that a center is provided with bearing; Right hack disk 1a, left hack disk 1b are installed on the inner side of right hack disk installing rack 2a and left hack disk installing rack 2b square tube by right hack disk link 42a, left hack disk link 42b symmetry; Two hack disk cards are perpendicular to the ground, all become 5 ° of angles with unit direction of advance simultaneously;
Clamping convey device as shown in Figure 4, comprises drive sprocket 32, driven sprocket 19, left bottom plate 22, right base plate 25, first transportation sprocket 31, second transportation sprocket 27, first transmission sprocket wheel 28, second transmission sprocket wheel 30, chain bracket 21, pressure of floating chain apparatus 23, bearing block 7, drive sprocket axle 24, driven chain wheel shaft 20, first carrier chain wheel shaft 29, second carrier chain wheel shaft 26, clamping chain 3, chain 5 and lay chain 6; Left bottom plate 22, right base plate 25 are arranged symmetrically with along unit direction of advance, and all become 30 ° with horizontal plane, keep the gap of 50mm between two plates; Right base plate 25 is equipped with five groups of oval holes, is convenient to float and presses chain apparatus 23 and right base plate 25 to carry out bolt-connection; Be welded with motor mounts 34 outside left bottom plate 22, hydraulic motor 9 utilizes bolt-connection on motor mounts 34; Driven sprocket 19 is installed on driven chain wheel shaft 20, second transportation sprocket 27, first transmits sprocket wheel 28 and is installed on the second carrier chain wheel shaft 26, second transmits sprocket wheel 30, first transportation sprocket 31 is installed on the first carrier chain wheel shaft 29, and drive sprocket 32 is installed on drive sprocket axle 24
Clamping chain 3 as shown in Fig. 4 is double strand chain, and be installed on driven sprocket 19 and first and transmit on sprocket wheel 28, gripping section sprocket is triangle, installs chain bracket 21 in the inner side of gripping section chain;
Carrier chain 5 as shown in Fig. 4 is single-row chain, and be installed on the first transportation sprocket 31 and the second transportation sprocket 27, transportation section sprocket is the angular rectangle in one end;
Lay chain 6 as shown in Fig. 4 is single-row chain, and be installed on drive sprocket 32 and first and transmit on sprocket wheel 30, lay section sprocket is similarly the angular rectangle in one end,
Floating pressure chain apparatus 23 as shown in Figure 5 comprises guide support frame 39, fairlead 37, screw rod lead 38, spring 35, L-type pressing plate 36, locking nut 40, guide support frame 39 is the steel plate of a bending 90 °, two planes of bending all have the through hole that 5 equidistant, the short side of width is connected with right base plate by bolt, the side that width is long is welded with the fairlead 37 of 5 with concentric place, hole; The long slab cross central line place of " L " type pressing plate 36 is welded with 5 screw rod leads 38 corresponding with fairlead 37, the screw rod lead 38 of " L " type pressing plate 36 loads spring 35, be fixed on guide support frame 39 with locking nut 40 through after fairlead 37
U-shaped hanging device 4 as shown in Fig. 6 is welded by square steel tube, is welded in bottom left bottom plate 22 and right base plate 25, overall in geometry " U " type; The little steel plate that U-shaped hanging device 4 utilizes the left and right sides to be welded with and first mechanism's hitching frame 10 carry out bolt-connection; The upper end of first mechanism's hitching frame 10 and second mechanism's hitching frame 12 adopts transverse tube hinge-coupled, and lower end utilizes hydraulic cylinder 11 to support and utilizes pin to connect; And the second mechanism mounting 12 utilizes screw attachment to be connected with the mounting spiral shell plate of tractor 13 engine both sides,
Mechanism operationally, U-shaped hanging device 4, first mechanism's hitching frame 10, second mechanism's hitching frame of drawing mechanism 12 by bolt from front to back order connect, realize that this drawing mechanism is preposition is mounted on tractor front end;
During work, a point standing grain soil crushing device 41 moves ahead with tractor 13, and soil chopping is pushed open by the lateral surface of hack disk, effectively reduces the adhesion of cotton stalk root system and soil, reaches a point standing grain guiding, works the object of pulling out drag reduction.Two bending planes of pressure of floating chain apparatus 23, guide support frame 39 all have 5 equidistant through holes, and the shorter side of width is connected with right base plate 25 by bolt, and the longer side of width and concentric place, hole are welded with 5 equidistant fairleads 37; The long slab cross central line place of " L " type pressing plate 36 is welded with 5 screw rod leads 38 corresponding with fairlead 37, and screw rod lead 38 loads spring 35, is fixed on guide support frame 39 with locking nut 40 through after fairlead 37.
During work, cotton stalk enters the gap of gripping section sprocket 3 and " L " type pressing plate 36, and now spring 35 pressurized, elastic force acts on cotton stalk, is formed clamp pulling force and utilize the quick movement of gripping section sprocket 3 to be extracted by cotton stalk with gripping section sprocket 3.Owing to have adjusted clamping pretightning force by locking nut 40 when installing screw rod lead 38, therefore " L " type pressing plate 36 can with the cotton stalk of different-diameter scope free-extension in fairlead 37.Considering works long hours may cause the elastic force of spring 35 to diminish, and therefore guide support frame 39 connecting hole on right for mechanism base plate 25 is made mounting hole, to adjust a position for floating pressure chain apparatus 23 at any time according to required elastic force.
The power of drawing mechanism is exported by the splined shaft being positioned at tractor 13 afterbody, and it is direct-connected that this splined shaft and gear pump 33 pass through hub splines, and splined shaft rotarily drives gear pump 33 pinion rotation, thus completes the work of pump oil; A, B mouth of hand-operated direction valve 18 connect respectively with hydraulic cylinder 11 into and out of hydraulic fluid port, T mouth directly connects fuel tank 17, and hand-operated direction valve 18 adopts bolt to be installed on the left of tractor on tire cover plate, is convenient to driver's operation; Hydraulic cylinder 11 utilizes pin to be arranged between first mechanism's hitching frame 10 and second mechanism's hitching frame 12, in order to be elevated drawing mechanism 42.
During work, the splined output shaft of tractor 13 rotarily drives gear pump 33 pinion rotation pump oil, be stored in hydraulic oil in fuel tank 17 after gear pump 33 pumps, enter overflow valve 16, manometer 15, two parts hydraulic circuit is divided into afterwards at tee ball valve 14, a part utilizes pressure dwelling loop principle, hydraulic oil enters direct oil return box 17 after hydraulic cylinder 11 through hand-operated direction valve 18, this loop is that hydraulic cylinder 11 provides support, the holding power of jack-up drawing mechanism 42, avoids tractor 13 to damage drawing mechanism 42 when advancing in the field of gully injustice; Another part hydraulic oil flows directly into the rear oil return box 17 of hydraulic motor 9, for the hydraulic motor 9 that drive sprocket 32 is coaxial provides power and then drives the running of chain system, rises and pulls out cotton stalk.These two parts are in parallel by tee ball valve 14, and its work is non-interference.
The jack-up distance of the hydraulic cylinder 11 pairs of drawing mechanisms in this hydraulic circuit is 0 ~ 800mm; The driving rotating speed of hydraulic motor 9 can between 0 ~ 100 r/min stepless changing.
During work, hydraulic motor 9 rotates and drives coaxial drive sprocket 32 to rotate, and the three sections of sprockets be now installed on six sprocket wheels move along clockwise.Along with moving ahead of tractor 13, cotton stalk is led by point standing grain soil crushing device 41 and enters gripper rail, and gripping section sprocket 3 and float pressure chain apparatus 23 extruding force under with chain movement, match with tractor 13 pace simultaneously, cotton stalk is pulled out earth's surface and departs from drawing mechanism 42 through transportation section sprocket 5 and stirring of lay section sprocket 6 in track, lay, in ground, completes whole and pulls out operation.
This drawing mechanism 42 can hold the cotton stalk that Main stem diameter is 10mm ~ 29mm, and in 15mm ~ 26mm interval, the clamping effect of cotton stalk is better.
Above embodiment describes general principle of the present utility model and principal character, illustrates advantage of the present utility model.The utility model is by the restriction of above-mentioned embodiment, and in the protection domain of spirit of the present utility model and claim, any amendment make the utility model and change, all fall in protection domain of the present utility model.
Claims (1)
1. the cotton stalk drawing mechanism of sprocket-type, comprises a point standing grain soil crushing device (41), clamping convey device, floats and press chain apparatus (23), U-shaped hanging device (4) composition, it is characterized in that:
A described point standing grain soil crushing device (41) comprises right hack disk installing rack (2a), left hack disk installing rack (2b), right hack disk link (42a), left hack disk link (42b), right bearing seat (43a), left shaft holder (43b), right hack disk (1a), left hack disk (1b); Right hack disk installing rack (2a), left hack disk installing rack (2b), right hack disk link (42a), left hack disk link (42b) are hollow square tube, and four square tubes are respectively drilled with 5 equidistant through holes, between adjacent two through hole, spacing is 50mm; Right hack disk link (42a), left hack disk link (42b) are set with in right hack disk installing rack (2a), left hack disk installing rack (2b) square tube; Right hack disk link (42a), left hack disk link (42b) lower end are connected with right bearing seat (43a), left shaft holder (43b) respectively; Right hack disk (1a) and left hack disk (1b) are the disk that a center is provided with bearing; Right hack disk (1a), left hack disk (1b) are installed on the inner side of right hack disk installing rack (2a) and left hack disk installing rack (2b) square tube by right hack disk link (42a), left hack disk link (42b) symmetry; Two hack disk cards are perpendicular to the ground, all become 5 ° of angles with unit direction of advance simultaneously;
Described clamping convey device, comprises drive sprocket (32), driven sprocket (19), left bottom plate (22), right base plate (25), the first transportation sprocket (31), the second transportation sprocket (27), first transmits sprocket wheel (28), the second transmission sprocket wheel (30), chain bracket (21), float pressure chain apparatus (23), bearing block (7), drive sprocket axle (24), driven chain wheel shaft (20), the first carrier chain wheel shaft (29), the second carrier chain wheel shaft (26), clamping chain (3), chain (5) and lay chain (6); Left bottom plate (22), right base plate (25) are arranged symmetrically with along unit direction of advance, and all become 30 ° with horizontal plane, keep the gap of 50mm between two plates; Right base plate (25) is equipped with five groups of oval holes, is convenient to float and presses chain apparatus (23) and right base plate (25) to carry out bolt-connection; Left bottom plate (22) outside is welded with motor mounts (34), and hydraulic motor (9) utilizes bolt-connection on motor mounts (34); Driven sprocket (19) is installed on driven chain wheel shaft (20), second transportation sprocket (27), first transmits sprocket wheel (28) and is installed on the second carrier chain wheel shaft (26), second transmission sprocket wheel (30), the first transportation sprocket (31) are installed on the first carrier chain wheel shaft (29), and drive sprocket (32) is installed on drive sprocket axle (24);
Described clamping chain (3) is double strand chain, and be installed on driven sprocket (19) and first and transmit on sprocket wheel (28), gripping section sprocket is triangle, installs chain bracket (21) in the inner side of gripping section chain;
Described carrier chain (5) is single-row chain, and be installed on the first transportation sprocket (31) and the second transportation sprocket (27), transportation section sprocket is the angular rectangle in one end;
Described lay chain (6) is single-row chain, and be installed on drive sprocket (32) and first and transmit on sprocket wheel (30), lay section sprocket is similarly the angular rectangle in one end;
Described floating pressure chain apparatus (23) comprises guide support frame (39), fairlead (37), screw rod lead (38), spring (35), L-type pressing plate (36), locking nut (40), guide support frame (39) is the steel plate of a bending 90 °, two planes of bending all have the through hole that 5 equidistant, the short side of width is connected with right base plate by bolt, the side that width is long is welded with the fairlead (37) of 5 with concentric place, hole; The long slab cross central line place of " L " type pressing plate (36) is welded with 5 screw rod leads (38) corresponding with fairlead (37), the screw rod lead (38) of " L " type pressing plate (36) loads spring (35), uses locking nut (40) to be fixed on guide support frame (39) afterwards through fairlead (37);
Described U-shaped hanging device (4) is welded by square steel tube, is welded in left bottom plate (22) and right base plate (25) bottom, overall in geometry " U " type; The little steel plate that U-shaped hanging device (4) utilizes the left and right sides to be welded with and first mechanism's hitching frame (10) carry out bolt-connection; First mechanism's hitching frame (10) adopts transverse tube hinge-coupled with the upper end of second mechanism's hitching frame (12), and lower end utilizes hydraulic cylinder (11) support and utilize pin to connect; And second mechanism's mounting (12) utilizes screw attachment to be connected with the mounting spiral shell plate of tractor (13) engine both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442563.1U CN204031823U (en) | 2014-08-06 | 2014-08-06 | The cotton stalk drawing mechanism of a kind of sprocket-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442563.1U CN204031823U (en) | 2014-08-06 | 2014-08-06 | The cotton stalk drawing mechanism of a kind of sprocket-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204031823U true CN204031823U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442563.1U Active CN204031823U (en) | 2014-08-06 | 2014-08-06 | The cotton stalk drawing mechanism of a kind of sprocket-type |
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| Country | Link |
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| CN (1) | CN204031823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160827A (en) * | 2014-08-06 | 2014-11-26 | 华中农业大学 | Sprocket type cotton stalk pulling mechanism |
| CN109340315A (en) * | 2018-11-22 | 2019-02-15 | 杭州自强链传动有限公司 | A kind of crops clamp chain |
-
2014
- 2014-08-06 CN CN201420442563.1U patent/CN204031823U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104160827A (en) * | 2014-08-06 | 2014-11-26 | 华中农业大学 | Sprocket type cotton stalk pulling mechanism |
| CN104160827B (en) * | 2014-08-06 | 2016-06-01 | 华中农业大学 | The cotton stalk drawing mechanism of a kind of sprocket-type |
| CN109340315A (en) * | 2018-11-22 | 2019-02-15 | 杭州自强链传动有限公司 | A kind of crops clamp chain |
| CN109340315B (en) * | 2018-11-22 | 2024-03-12 | 杭州自强链传动有限公司 | Crop clamping chain |
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