CN104206084B - A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device - Google Patents
A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device Download PDFInfo
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- CN104206084B CN104206084B CN201410449165.7A CN201410449165A CN104206084B CN 104206084 B CN104206084 B CN 104206084B CN 201410449165 A CN201410449165 A CN 201410449165A CN 104206084 B CN104206084 B CN 104206084B
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- unidirectional
- feeding device
- drive shaft
- seedling feeding
- rice transplanter
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Abstract
The present invention relates to a kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device, this unidirectional seedling feeding device comprises the support be arranged on regularly in frame, rotatably be arranged on the propeller shaft sleeve on support, the take off arm be arranged on regularly on the outer wall of propeller shaft sleeve is arranged on the drive shaft in propeller shaft sleeve in unidirectional rotatable mode, the active delivery wheel that be regularly set together relative to drive shaft, be arranged on the driven conveying axis in frame rotatably, the driven delivery wheel that be regularly set together relative to driven conveying axis and the conveyer belt be arranged on initiatively between delivery wheel and driven delivery wheel.This unidirectional seedling feeding device also comprises the fixed hub that regularly arrange relative to support, and fixed hub is the mode of single direction rotation can be arranged on the outside of drive shaft with drive shaft.Unidirectional seedling feeding device according to the present invention avoids the problem of the not enough or not seedling sending of seedling sending that rice transplanter brings due to the reverse rotation of seedlings sending mechanism.
Description
Technical field
The present invention relates to agricultural mechanical field, relate to a kind of seedlings sending mechanism preventing driving shaft from reversing for rice transplanter particularly.
Background technology
Below background of related of the present invention is described, but these explanations might not form prior art of the present invention.
Seedlings sending mechanism is one of chief component of rice transplanter, and it acts on mainly timing, quantitatively rice shoot is delivered to seedling setting gate place, and the seedling sending direction of vertical seedlings sending mechanism is consistent with the direct of travel of rice transplanter.The vertical seedlings sending mechanism of existing rice transplanter mostly adopts longitudinal take off arm to drive initiatively conveying axis to rotate with pulsing, initiatively conveying axis drives conveying axle sleeve to rotate by unilateral bearing, conveying axis cover drives the conveyer belt being arranged on conveying axis and putting, and the other end of conveyer belt is arranged on driven conveying axis.Seedling sending is carried out by conveyer belt, longitudinal take off arm counter motion under the effect of return mechanism after seedling sending, unilateral bearing realizes the reverse slide initiatively between conveying axis and conveying axle sleeve, carries out seedling sending next time again after longitudinal take off arm return, move and so forth, realize throwing successively of rice shoot.
This seedlings sending mechanism does not arrange the structure preventing from carrying axle sleeve reversion, therefore when carrying axle sleeve reversion, being arranged on the conveyer belt that conveying axis puts and reversing yet, then can produce the phenomenon that seedling sending is not enough or seedling sending is failed.In the research and development trial-manufacturing process of rice transplanter, generally there will not be the phenomenon of this reversion, unilateral bearing can both realize good one-way engagement and the function be oppositely separated.But, because rice transplanter is substantially all carry out operation in muddy water, when muddy water or other foreign material enter in unilateral bearing, when making unilateral bearing lose single-direction transmission function, then can cause unilateral bearing and active conveying axis and carry between axle sleeve bonding.When longitudinal take off arm return, active conveying axis is followed longitudinal take off arm and is reversed together, simultaneously due to the reverse separation function some lost or completely lost of the unilateral bearing between active conveying axis and conveying axle sleeve, make conveying axle sleeve follow initiatively conveying axis to reverse together, this will cause seedling sending quantity not sufficient or the not seedling sending of the seedlings sending mechanism of rice transplanter.In addition, because the resistance of earth or other foreign material is excessive, easily there is elastic deformation in conveyer belt, and at the end of seedling sending, conveying axis reverses under being enclosed within the elastic force effect of conveyer belt, cause seedling sending quantity not sufficient or the uneven phenomenon of seedling sending, and then affect stationarity and the accuracy of rice transplanter vertical seedlings sending.
Therefore, need a kind of can solution due to the conveying axle sleeve reversion of seedlings sending mechanism in seedling sending process in prior art and cause the rice transplanter of the problem of rice transplanter vertical seedlings sending stationarity and accuracy difference.
Summary of the invention
The object of the invention is to propose a kind of adaptable and unidirectional seedling feeding device that can prevent the drive shaft of rice transplanter from reversely rotating.
According to the preferred embodiment of the unidirectional seedling feeding device for rice transplanter of the present invention, this unidirectional seedling feeding device comprises: be arranged on the support in the frame of rice transplanter regularly; Rotatably be arranged on the propeller shaft sleeve on support; Be arranged on the take off arm on the outer wall of propeller shaft sleeve regularly, take off arm is moved for driving propeller shaft sleeve; The drive shaft in propeller shaft sleeve is arranged in unidirectional rotatable mode; The active delivery wheel that be regularly set together relative to drive shaft; Be arranged on the driven conveying axis in frame rotatably; The driven delivery wheel that be regularly set together relative to driven conveying axis; And the conveyer belt be arranged on initiatively between delivery wheel and driven delivery wheel.Unidirectional seedling feeding device according to the present invention also comprises the fixed hub that regularly arrange relative to support, and fixed hub is the mode of single direction rotation can be arranged on the outside of drive shaft with drive shaft.
Unidirectional seedling feeding device for rice transplanter according to the present invention can realize the continus convergence of rice shoot, and has good adaptive capacity, can carry out operation and can ensure accuracy and the accuracy of rice transplanting in muddy soil.The unidirectional power transmission of propeller shaft sleeve to drive shaft can be realized by the drive shaft and propeller shaft sleeve with unidirectional drive relation according to unidirectional seedling feeding device of the present invention, thus realize the single direction rotation of drive shaft.On the other hand, the unidirectional rotary motion of the relative fixed hub of drive shaft is realized by the drive shaft with unidirectional relative motion relation and fixed hub, thus can drive shaft be stoped to move when drive shaft reversely rotates, thus avoid the appearance of the problem of the not enough or not seedling sending of seedling sending that rice transplanter brings due to the reverse rotation of seedlings sending mechanism.
In a preferred embodiment of the unidirectional seedling feeding device for rice transplanter according to the present invention, the first one-way lock mechanism is provided with between propeller shaft sleeve and drive shaft, when first one-way lock mechanism allows propeller shaft sleeve to rotate along first direction, drive shaft rotates together with propeller shaft sleeve, and when propeller shaft sleeve is along drive shaft non rotating during the second direction contrary with first direction rotation.Be arranged on the first one-way lock mechanism between propeller shaft sleeve and drive shaft and can realize the unidirectional drive of propeller shaft sleeve to drive shaft, make only to drive drive shaft when propeller shaft sleeve rotates along first direction, and when propeller shaft sleeve rotates along second direction, between propeller shaft sleeve and drive shaft, there is not driving relationship.
According to another preferred embodiment of the unidirectional seedling feeding device for rice transplanter of the present invention, the first one-way lock mechanism is the first unilateral bearing.
In another preferred embodiment of the unidirectional seedling feeding device for rice transplanter according to the present invention, the second one-way lock mechanism is provided with between fixed hub and drive shaft, second one-way lock mechanism allows drive shaft to rotate along first direction relative to fixed hub, and the second one-way lock mechanism does not allow drive shaft to rotate along second direction relative to fixed hub.The second one-way lock mechanism be arranged between fixed hub and drive shaft can guarantee the unidirectional relative motion between fixed hub and drive shaft, thus can guarantee that drive shaft rotates along first direction, and when drive shaft has the trend of reverse rotation, second one-way lock mechanism can guarantee the locking relation between drive shaft and fixed hub, thus stops the reverse rotation of drive shaft.Can avoid the reverse rotation of the unidirectional seedling feeding device of rice transplanter thus, thus the seedling sending avoiding rice transplanter is not enough and the defect of not seedling sending.
According to another preferred embodiment of the unidirectional seedling feeding device for rice transplanter of the present invention, the second one-way lock mechanism is the second unilateral bearing.
In another preferred embodiment of the unidirectional seedling feeding device for rice transplanter according to the present invention, this unidirectional seedling feeding device also comprises the return mechanism for making take off arm return arranged around propeller shaft sleeve and/or fixed hub.Advantageously, this return mechanism is back-moving spring.This return mechanism can make propeller shaft sleeve be returned to its initial position after completing a seedling sending operation, and prepares to enter do action next time.
The present invention also provides a kind of rice transplanter comprising unidirectional seedling feeding device as above.This rice transplanter has the seedling feeding device of anti-reverse-rotation structure owing to have employed, therefore it has all beneficial effects as above that unidirectional seedling feeding device according to the present invention has.
Accompanying drawing explanation
By the embodiment part provided referring to accompanying drawing, the features and advantages of the present invention will become easier to understand, in the accompanying drawings:
Fig. 1 illustrates the vertical view according to transplanter feeding rice seedling distribution mechanism of the present invention;
Fig. 2 illustrates the end view according to transplanter feeding rice seedling distribution mechanism of the present invention;
Fig. 3 is the end view according to the one-direction driving apparatus for seedlings sending mechanism of the present invention;
Fig. 4 is the cutaway view according to the one-direction driving apparatus for seedlings sending mechanism of the present invention;
Fig. 5 is the end view of propeller shaft sleeve according to the one-direction driving apparatus for seedlings sending mechanism of the present invention and longitudinal take off arm;
Fig. 6 is the front view of support according to the one-direction driving apparatus for seedlings sending mechanism of the present invention and fixed hub.
Embodiment
With reference to the accompanying drawings illustrative embodiments of the present invention is described in detail.Be only for demonstration object to the description of illustrative embodiments, and be never the restriction to the present invention and application or usage.
As depicted in figs. 1 and 2, the seedlings sending mechanism 100 for the rice transplanter according to the present invention unidirectional seedling feeding device 120 that comprises frame 110, be arranged on the power set in frame 110 and driven by power set.Frame 110 is arranged in the running gear of rice transplanter regularly, thus along with running gear is moved together.The reducing gear that the power set be arranged in frame 110 comprise power source 132, be drivingly connected with the output shaft of power source 132 and the Power Available Shaft 134 be drivingly connected with the output shaft of reducing gear.The unidirectional seedling feeding device 120 that Power Available Shaft 134 is rice transplanter provides power.Power Available Shaft 134 can shift fork 01 be relative is permanently connected together with transfer, thus provides rotary motion and power for transfer shift fork 01.Power source 132 can be the engine of rice transplanter, also can be the electromotor independent of driving rice transplanter motion.
The concrete structure of the unidirectional seedling feeding device 120 of the seedlings sending mechanism 100 according to rice transplanter of the present invention is described in detail below in conjunction with accompanying drawing 1 to accompanying drawing 4.Unidirectional seedling feeding device 120 comprises the support 13 be arranged on regularly in frame 110, rotatably be arranged on the propeller shaft sleeve 202 on support 13, be arranged on the take off arm 02 on the outer wall of propeller shaft sleeve 202 regularly, the drive shaft 08 in propeller shaft sleeve 202 is arranged in unidirectional rotatable mode, the active delivery wheel 10 that be regularly set together relative to drive shaft 08, be arranged on the driven conveying axis 09 in frame 110 rotatably, the driven delivery wheel 11 that be regularly set together relative to driven conveying axis 09 and the conveyer belt 12 be arranged on initiatively between delivery wheel 10 and driven delivery wheel 11.Further, be provided with between take off arm 02 and support 13 for making take off arm 02 transferred the return mechanism of self-return after shift fork 01 drives, in preferred embodiment according to the present invention, return mechanism is back-moving spring 07.Certainly, other returning devices that those skilled in the art also can be adopted to expect.Driven conveying axis 09 by belt tension spring 14 tensioning, thus makes conveyer belt 12 can not operate with the state of relative relaxation.
Unidirectional seedling feeding device 120 difference with the prior art according to rice transplanting mechanism 100 of the present invention is, this unidirectional seedling feeding device 120 also comprises the fixed hub 204 that regularly arrange relative to support 13, and fixed hub 204 is the mode of single direction rotation can be arranged on the outside of drive shaft 08 with drive shaft 08.
In preferred embodiment according to the present invention, the first one-way lock mechanism is provided with between propeller shaft sleeve 202 and drive shaft 08, such as the first unilateral bearing 031, can certainly arrange other one-way lock mechanisms known in the art, such as one-way clutch, ratchet etc.When take off arm 02 pair of propeller shaft sleeve 202 drives to make propeller shaft sleeve 202 rotate along first direction, propeller shaft sleeve 202 and drive shaft 08 combine by the first unilateral bearing 031, thus make drive shaft 08 follow propeller shaft sleeve 202 to rotate together.And when take off arm 02 rotates along the second direction contrary with first direction under the effect of the restoring force of back-moving spring 07, first unilateral bearing 031 makes propeller shaft sleeve 202 be disengaged with drive shaft 08, that is, drive shaft 08 does not now rotate along with the rotation of propeller shaft sleeve 202.Therefore, in the ideal situation, drive shaft 08 only rotates along first direction along with propeller shaft sleeve 202, and not along with propeller shaft sleeve 202 rotates along second direction.
In this state, propeller shaft sleeve 202 can be passed to drive shaft 08 along each rotation of first direction, drive shaft 08 drives by active delivery wheel 10 conveyer belt 12 be wound on active delivery wheel 10 and driven delivery wheel 11, thus is delivered to successively by the rice shoot be carried on conveyer belt 12 on the seedling plate 15 of the tail end being arranged on frame 110.After rice shoot has thrown, under the effect of back-moving spring 07, take off arm 02 and the propeller shaft sleeve 202 that is permanently connected with it are along second direction spinning reduction, and due to the existence of the first unilateral bearing 031, therefore drive shaft 08 and the active delivery wheel 10 arranged on it can not reversely rotate, thus conveyer belt 12 and driven delivery wheel 11 also counter motion can not occur.But, in the operation process of rice transplanter, if earth or other impurity enter propeller shaft sleeve 202, in gap between first unilateral bearing 031 and drive shaft 08, then the first unilateral bearing 031 likely can not play the effect that propeller shaft sleeve 202 is separated with drive shaft 08, now, if do not limited along moving of second direction drive shaft 08, drive shaft 08 will reversely rotate, cause initiatively delivery wheel 10 thus, driven delivery wheel 11 and conveyer belt 12 produce and reversely rotate, this problem that will rice transplanter made to produce seedling sending deficiency or not seedling sending.
In order to avoid the appearance of above-mentioned phenomenon, between fixed hub 204 and drive shaft 08, be provided with the second one-way lock mechanism, such as can the second unilateral bearing 032 be set between fixed hub 204 and drive shaft 08.Certainly, at this, also other one-way lock mechanisms can be set, such as one-way clutch, ratchet etc.Second unilateral bearing 032 allows the unidirectional relative motion between fixed hub 204 and drive shaft 08.In preferred embodiment according to the present invention, the second unilateral bearing 032 allows drive shaft 08 to drive rotary motion when rotating along first direction at driven shaft cover 202, and stops drive shaft 08 along the rotary motion of the second direction contrary with first direction.At this, advantageously, back-moving spring 07 is arranged around propeller shaft sleeve and/or fixed hub 204.
As shown in Figure 4, according to of the present invention in the unidirectional seedling feeding device 120 of rice transplanter, the first unilateral bearing 031 and the second unilateral bearing 032 are arranged independently.Be respectively arranged with the first sealing ring 041 in the both sides of the first unilateral bearing 031, propeller shaft sleeve 202, two the first sealing rings 041 and drive shaft 08 surround the first unilateral bearing 031 thus, thus arrange the first unilateral bearing 031 with the form of sealing as far as possible.Further, the end of the both sides of propeller shaft sleeve 202 and the first sealing ring 041 is provided with the first pad 051, and has the first jump ring 061 in the outer setting of the first pad 051.
Correspondingly, the second unilateral bearing 032 of unidirectional seedling feeding device 120 adopts the structure substantially identical with the first unilateral bearing 031.As shown in Figure 4, the second sealing ring 042 is respectively arranged with in the both sides of the second unilateral bearing 032, fixed hub 204, two the second sealing rings 042 and drive shaft 08 surround the second unilateral bearing 032 thus, thus arrange the second unilateral bearing 032 with the form of sealing as far as possible.Further, the end of the both sides of fixed hub 204 and the second sealing ring 042 is provided with the second pad 052, and has the second jump ring 062 in the outer setting of the second pad 052.Advantageously, the first jump ring 061 being arranged on the side of the close fixed hub 204 of propeller shaft sleeve 202 can adopt same jump ring with the second jump ring 062 of the side of the close propeller shaft sleeve 202 being arranged on fixed hub 204, thus can save material and space.
As shown in Figure 5, the end view fitted together according to propeller shaft sleeve 202 and the take off arm 02 of unidirectional seedling feeding device 120 of the present invention is shown.Take off arm 02 is arranged on the outer wall of propeller shaft sleeve 202 in a manner known in the art regularly, such as, take off arm 02 can by welding, screwing, riveted joint and other be fixedly connected with mode and be arranged on the outer wall of propeller shaft sleeve 202.Similarly, be also set together regularly in a similar fashion according to the support 13 of unidirectional seedling feeding device 120 of the present invention and fixed hub 204, thus fixed hub 204 is arranged relative to support 13 in relatively-stationary mode, as shown in Figure 6.
Adopt and can not only guarantee that rice shoot throws away from seedling dish by rice transplanter continuously according to the rice transplanter of unidirectional seedling feeding device of the present invention, and can guarantee that unidirectional seedling feeding device can not produce the situation of reversion due to the intervention of silt or other impurity, thus unidirectional seedling feeding device is avoided to occur the problem of the not enough or not seedling sending of seedling sending.Therefore, adopt the accuracy that improve rice transplanting according to the rice transplanter of unidirectional seedling feeding device of the present invention, and improve rice transplanting efficiency.
Although with reference to illustrative embodiments, invention has been described, but be to be understood that, the present invention is not limited in literary composition the embodiment described in detail and illustrate, when not departing from claims limited range, those skilled in the art can make various improvement or distortion to described illustrative embodiments.
Claims (8)
1. one kind for the unidirectional seedling feeding device (120) of rice transplanter, comprising:
Be arranged on the support (13) in the frame (110) of described rice transplanter regularly;
Rotatably be arranged on the propeller shaft sleeve (202) on described support (13);
Be arranged on the take off arm (02) on the outer wall of described propeller shaft sleeve (202) regularly, described take off arm (02) is moved for driving described propeller shaft sleeve (202);
The drive shaft (08) in described propeller shaft sleeve (202) is arranged in unidirectional rotatable mode;
The active delivery wheel (10) that be regularly set together relative to described drive shaft (08);
Be arranged on the driven conveying axis (09) in described frame (110) rotatably;
The driven delivery wheel (11) that be regularly set together relative to described driven conveying axis (09); And
Be arranged on the conveyer belt (12) between described active delivery wheel (10) and described driven delivery wheel (11),
It is characterized in that, described unidirectional seedling feeding device (120) also comprises the fixed hub (204) that regularly arrange relative to described support (13), and described fixed hub (204) is the mode of single direction rotation can be arranged on the outside of described drive shaft (08) with described drive shaft (08).
2. the unidirectional seedling feeding device (120) for rice transplanter according to claim 1, wherein, the first one-way lock mechanism is provided with between described propeller shaft sleeve (202) and described drive shaft (08), when described first one-way lock mechanism allows described propeller shaft sleeve (202) to rotate along first direction, described drive shaft (08) rotates together with described propeller shaft sleeve (202), and when described propeller shaft sleeve (202) is along described drive shaft (08) the non rotating during second direction contrary with first direction rotation.
3. the unidirectional seedling feeding device (120) for rice transplanter according to claim 2, wherein, described first one-way lock mechanism is the first unilateral bearing (031).
4. the unidirectional seedling feeding device (120) for rice transplanter according to Claims 2 or 3, wherein, the second one-way lock mechanism is provided with between described fixed hub (204) and described drive shaft (08), described second one-way lock mechanism allows described drive shaft (08) to rotate along first direction relative to described fixed hub (204), and described second one-way lock mechanism does not allow described drive shaft (08) to rotate along second direction relative to described fixed hub (204).
5. the unidirectional seedling feeding device (120) for rice transplanter according to claim 4, wherein, described second one-way lock mechanism is the second unilateral bearing (032).
6. the unidirectional seedling feeding device (120) for rice transplanter according to claim 1, also comprises the return mechanism for making described take off arm (02) return arranged around described propeller shaft sleeve (202) and/or described fixed hub (204).
7. the unidirectional seedling feeding device (120) for rice transplanter according to claim 6, wherein said return mechanism is back-moving spring (07).
8. one kind comprises the rice transplanter of the unidirectional seedling feeding device (120) according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449165.7A CN104206084B (en) | 2014-09-04 | 2014-09-04 | A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449165.7A CN104206084B (en) | 2014-09-04 | 2014-09-04 | A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device |
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| Publication Number | Publication Date |
|---|---|
| CN104206084A CN104206084A (en) | 2014-12-17 |
| CN104206084B true CN104206084B (en) | 2016-03-30 |
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|---|---|---|---|
| CN201410449165.7A Expired - Fee Related CN104206084B (en) | 2014-09-04 | 2014-09-04 | A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202679956U (en) * | 2012-06-14 | 2013-01-23 | 黑龙江省农业机械工程科学研究院 | Unidirectional ratchet wheel limiting device of rice transplanter for vertically feeding rice seedlings |
| CN203523303U (en) * | 2013-10-22 | 2014-04-09 | 延吉插秧机制造有限公司 | Seedling feed mechanism for one-wheel-driven transplanter |
| CN204350602U (en) * | 2014-09-04 | 2015-05-27 | 奇瑞重工股份有限公司 | A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4040220B2 (en) * | 1999-09-30 | 2008-01-30 | ヤンマー農機株式会社 | Rice transplanter seedling stand |
| JP4711407B2 (en) * | 2005-09-16 | 2011-06-29 | ヤンマー株式会社 | Fertilizer application unit |
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2014
- 2014-09-04 CN CN201410449165.7A patent/CN104206084B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202679956U (en) * | 2012-06-14 | 2013-01-23 | 黑龙江省农业机械工程科学研究院 | Unidirectional ratchet wheel limiting device of rice transplanter for vertically feeding rice seedlings |
| CN203523303U (en) * | 2013-10-22 | 2014-04-09 | 延吉插秧机制造有限公司 | Seedling feed mechanism for one-wheel-driven transplanter |
| CN204350602U (en) * | 2014-09-04 | 2015-05-27 | 奇瑞重工股份有限公司 | A kind of unidirectional seedling feeding device and comprise the rice transplanter of unidirectional seedling feeding device |
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| CN104206084A (en) | 2014-12-17 |
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Address after: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Applicant after: ZOOMLION HEAVY MACHINERY CO., LTD. Address before: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Applicant before: Chery Heavy Industry Co., Ltd. |
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Effective date of registration: 20160803 Address after: 242400, No. 8 Zhou Yu Road, Nanling Economic Development Zone, Wuhu, Anhui Patentee after: Nanling Zoomlion Machine Co. Ltd. Address before: 241080 Anhui province Wuhu City mountain Economic Development Zone E Xi Road No. 16 Patentee before: ZOOMLION HEAVY MACHINERY CO., LTD. |
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Granted publication date: 20160330 Termination date: 20200904 |