CN201609045U - Grain threshing device - Google Patents
Grain threshing device Download PDFInfo
- Publication number
- CN201609045U CN201609045U CN2009201680632U CN200920168063U CN201609045U CN 201609045 U CN201609045 U CN 201609045U CN 2009201680632 U CN2009201680632 U CN 2009201680632U CN 200920168063 U CN200920168063 U CN 200920168063U CN 201609045 U CN201609045 U CN 201609045U
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- threshing
- grain
- feeding
- barrel
- vibratory sieve
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Abstract
The utility model relates to the technical field of agricultural machinery, and particularly discloses a grain threshing device. The grain threshing device is arranged on a grain reaping machine; the threshing device comprises a conveying mechanism and a threshing chamber; the conveying mechanism is positioned at the part below the front end of the threshing chamber, and comprises a conveying shute, and a conveying harrow mounted in the conveying shute; the threshing chamber comprises feeding beaters, a threshing roller, a threshing concave plate, a vibration sieve, a centrifugal fan and a recovery mechanism, wherein the threshing roller is positioned at the upper part of the threshing chamber; a central supporting shaft is arranged forwards and backwards in the working direction of the reaping machine; the threshing roller rotates around the central supporting shaft; and the feeding beaters are arranged at the junction part of the conveying mechanism and the threshing chamber and at the feeding port between the conveying harrow and the threshing roller. Due to the adoption of the grain threshing device, the utility model can lead crop stalks to be fed from the feeding port of the threshing roller at a high speed, and improve the working efficiency of the reaping machine.
Description
Technical field
The utility model relates to agricultural mechanical field, particularly relates to a kind of grain threshing device.
Background technology
Known corn mowing machine, its sheller unit mainly are divided into two kinds of forms: a kind of is to adopt to cut the streaming threshing cylinder; Another kind is to adopt the axial-flow type threshing cylinder.Described axial-flow type threshing cylinder is compared with traditional streaming threshing cylinder of cutting, and its crop threshing time is long, threshing performance is high, separating power is strong, and commute takes off and the difficult crop that takes off all has better practicability.Simultaneously, can cancel huge straw shaker, make that the grain header structure is greatly simplified, compactness.Therefore, the axial-flow type threshing cylinder has obtained using widely in recent years.
Existing axial-flow type threshing cylinder can adopt vertical layout, promptly arranges along the front and back direct of travel of grain header.The cutter sweep of grain header is transported in the sheller unit by conveying plant after crop stem is cut off, and is carried out threshing and is separated by threshing cylinder.Because the crop stem of axial-flow type threshing cylinder extracting feeding only is a very little zone on its circumference, its width range is smaller, and the crop stem and the delivery chute that transport from conveying mechanism are wide, this just causes the very difficult extracting zone that feeds on the axial-flow type threshing cylinder circumference of crop stem of delivery chute both sides, and then causes crop stem to pile up herein.In case feed quantity strengthens, and then is easy to cause plugging fault.For preventing that plugging fault from taking place, the grain header operating personnel must reduce harvesting speed, cause grain header efficient to reduce thus.
The utility model content
Technical problem to be solved in the utility model provides a kind of grain threshing device, can make crop stem at high speed from the feeding mouth feeding of threshing cylinder, improves the operating efficiency of grain header.
For solving the problems of the technologies described above, the utility model provides a kind of grain threshing device, is arranged on the corn mowing machine, and described sheller unit comprises conveying mechanism and threshing chamber; Described conveying mechanism is positioned at the front end lower portion of described threshing chamber, comprises delivery chute and is installed on the interior conveying rake of described delivery chute; Described threshing chamber comprises feeding-wheel, threshing cylinder, threshing concave plate, vibratory sieve, centrifugal fan and recovering mechanism; Wherein,
Described threshing cylinder is positioned at described threshing chamber top, and its central support shaft is provided with before and after the grain header direction of advance; Described threshing cylinder is around its central support shaft rotation;
Described feeding-wheel is arranged on the feeding mouth place between described conveying rake and the threshing cylinder; Wherein, described feeding mouth refers to the junction of described conveying mechanism and described threshing chamber.
Preferably, described feeding-wheel comprises barrel, helical blade and throws and send plate; Wherein,
Described barrel axis is perpendicular to the direction of advance setting of grain header; Described barrel is around its axis rotation; The both sides of described barrel are provided with helical blade respectively, and its circumference is provided with to throw and send plate;
Described barrel is when axis rotates, and described helical blade rotates with it, and the crop stem that enters feeding mouth is piled up to the feeding-wheel middle part; Simultaneously, described throwing send plate to rotate thereupon, crop stem is thrown to described threshing cylinder sent.
Preferably, in the every side of described barrel the described helical blade of a slice at least is set; And described helical blade evenly is provided with along the circumferencial direction of described barrel.
Preferably, along described barrel circumference the described throwing of a slice at least is set and send plate; And described throwing send plate evenly to be provided with along the circumference of described barrel.
Preferably, described threshing cylinder is a longitudinal axis streaming threshing cylinder, adopts low early and high after mode to be provided with along its central support shaft direction.
Preferably, described conveying rake is carried rake or belt conveying rake for chain type.
Preferably, described threshing concave plate is arranged on the below of described threshing cylinder, is used to make the handled thing after described threshing cylinder threshing is handled to leak down.
Preferably, described vibratory sieve is positioned at the below of described threshing intaglio plate, is used to accept the handled thing that leaks down from described threshing concave plate and described handled thing is carried out sorting process;
Described vibratory sieve comprises: the shuttle board that is used to roughly select, top sieve, and tail sheet are used for selected following sieve, and are used to drive the eccentric wheel that described vibratory sieve moves along fore-and-aft direction; Wherein, in the left side of grain header direction of advance, see that towards machine described eccentric wheel is rotated in a clockwise direction.
Preferably, described centrifugal fan is installed in the front end lower portion of described vibratory sieve; Described centrifugal fan produces wind-force by driven in rotation, and the handled thing that leaks down from described threshing concave plate is assisted separation.
Preferably, described recovering mechanism comprises seed screw feeder and assorted surplus auger; Wherein,
Described seed auger is arranged on the below at described vibratory sieve front end position, is used to receive the handled thing that leaks down from the following sieve of described vibratory sieve and reclaims; Described assorted surplus auger is arranged on the below at position, described vibratory sieve rear end, is used to receive the handled thing that leaks down and leak down from described tail sheet from the top sieve rear of described vibratory sieve and reclaims.
Compared with prior art, the utlity model has following advantage:
Grain threshing device described in the utility model is arranged on the corn mowing machine, comprises conveying mechanism and threshing chamber; Described threshing chamber comprises the threshing cylinder that central support shaft is provided with along grain header direction of advance front and back; Feeding mouth place between the junction of described conveying mechanism and described threshing chamber, described conveying rake and threshing cylinder is provided with feeding-wheel.
Adopt grain threshing device described in the utility model, when grain header was worked, described feeding-wheel can be perpendicular to the direction of advance rotation of described grain header.When the crop stem that cuts off when conveying mechanism is sent into feeding mouth, the helical blade spinning movement that install the barrel both sides of described feeding-wheel makes the crop stem that enters feeding mouth pile up to the middle part of feeding-wheel; Simultaneously, sending plate that crop stem is thrown to the feeding cone of threshing cylinder along the throwing of described barrel circumference setting send.Thus, make crop stem on the entire cross section of conveying mechanism, not exist and carry the dead angle, can effectively avoid crop stem to pile up, improved the whole work efficiency of grain header at the feeding mouth place of threshing chamber.
Description of drawings
Fig. 1 is a grain threshing structure drawing of device of the present utility model;
Fig. 2 is a feeding-wheel structure chart of the present utility model.
Embodiment
Technical problem to be solved in the utility model provides a kind of grain threshing device, can make crop stem effectively improve operating efficiency, the operating efficiency of grain header at high speed from the feeding mouth feeding of axial-flow type threshing cylinder.
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, be grain threshing structure drawing of device of the present utility model.
Described sheller unit comprises: conveying mechanism 10 and threshing chamber 20.Wherein, described conveying mechanism 10 is positioned at the front end lower portion of described threshing chamber 20.
Described conveying mechanism 10 comprises delivery chute 101 and is installed on described delivery chute 101 interior conveyings harrows 102.Described delivery chute 101 links to each other with the feeding mouth 207 of described threshing chamber 20, is used for the crop stem that cutter sweep cuts off is transported in the threshing chamber 20.Wherein, described feeding mouth 207 is meant the front end lower opening position of described threshing chamber 20.
Preferably, described conveying rake 102 can be that chain type is carried rake or belt conveying rake.
Described threshing chamber 20 comprises: feeding-wheel 201, threshing cylinder 202, threshing concave plate 203, vibratory sieve 204, centrifugal fan 205, recovering mechanism 206.
Described sheller unit is transported to the feeding mouth 207 of described threshing chamber 20 by described conveying mechanism 10 with the crop stem that cuts off, through the described threshing cylinder 202 of described feeding-wheel 201 feedings.Realize threshing by described threshing cylinder 202 rotations, and the handled thing that threshing obtains is fallen into described vibratory sieve 204 through described threshing concave plate 203.Through described vibratory sieve 204 and centrifugal fan 205, the handled thing that falls is separated, and reclaim respectively by described recovering mechanism 206.
Described feeding-wheel 201 be arranged on described threshing chamber 20 and described conveying mechanism 10 the junction, be feeding mouth 207 places, between described conveying rake 102 and off line cylinder 202.When grain header was worked, described feeding-wheel 201 can be perpendicular to the direction of advance rotation of described grain header.
With reference to Fig. 2, be feeding-wheel structure chart of the present utility model.
In conjunction with Fig. 1 and Fig. 2, described feeding-wheel 201 comprises: plate 201c is sent in barrel 201a, helical blade 201b and throwing.
The axis of described barrel 201a is vertical mutually with the central support shaft 202a of described threshing cylinder 202, and promptly described barrel 201a axis is perpendicular to the direction of advance setting of grain header.Described barrel 201a is around its axis rotation.
Both sides at described barrel 201a are provided with helical blade 201b respectively.As described barrel 201a during around the rotation of its axis, described helical blade 201b rotates with it, and the crop stem that will enter feeding mouth 207 is piled up to the middle part of feeding-wheel 201.
Be provided with to throw along the circumference of described barrel 201a and send plate 201c.As described barrel 201a during around the rotation of its axis, described throwing send plate 201c to rotate thereupon, the crop stem that enters feeding mouth 207 is thrown to the feeding cone 202b of described threshing cylinder 202 sent.
The helical blade 201b of described barrel 201a both sides is a slice at least, and its concrete number can specifically be provided with according to needs of production.In the utility model embodiment, be that example describes only with three, in the practical application, its number can but be not limited to three, can set flexibly as required.As shown in Figure 1, be the lateral plan of described feeding-wheel 201.The 201 every sides of feeding-wheel described in Fig. 1 all are provided with three helical blade 201b, evenly are provided with along the circumferencial direction of described barrel 201a, and its direction of rotation is for to see that along Fig. 1 direction the axis around barrel 201a rotates in a clockwise direction.
The number that plate 201c is sent in the throwing of described barrel 201a circumference setting is a slice at least, and its concrete number also can specifically be provided with according to needs of production.When described throwing send the number of plate 201c to be multi-disc, can set it and evenly be provided with along described barrel 201a circumference.
Grain threshing device described in the utility model is provided with between the junction of described conveying mechanism 10 and threshing chamber 20, described conveying rake 102 and off line cylinder 202 feeding-wheel 201 is installed.When grain header was worked, described feeding-wheel 201 can be perpendicular to the direction of advance rotation of described grain header.When the crop stem that cuts off when conveying mechanism 10 is sent into feeding mouth 207, the helical blade 201b spinning movement that install the barrel 201a both sides of described feeding-wheel 201 makes the crop stem that enters feeding mouth 207 pile up to the middle part of feeding-wheel 201; Simultaneously, sending plate 201c that crop stem is thrown to the feeding cone 202b of threshing cylinder 202 along the throwing of described barrel 201a circumference setting send.Thus, make crop stem on the entire cross section of conveying mechanism 10, not exist and carry the dead angle, can effectively avoid crop stem to pile up, improved the whole work efficiency of grain header at feeding mouth 207 places of threshing chamber 20.
Threshing cylinder 202 described in the utility model is a longitudinal axis streaming threshing cylinder, and cereal axially feeds, and axially discharges.Described threshing cylinder 202 is positioned at the top of described threshing chamber 20, its central support shaft 202a before and after the grain header direction of advance towards setting.Described threshing cylinder 202 carries out threshing to the crop stem through feeding cone 202b feeding threshing cylinder 20 thus and handles around its central support shaft 202a rotation, and grain is taken off from crop stem, and the original text grass is derived vertically, discharges outdoor.Described threshing cylinder 202 adopts low early and high after mode to be provided with along its central support shaft 202a direction, makes that its feeding end is low, outlet side is high, is beneficial to seed after the threshing and separates and drop to vibratory sieve 204, avoids seed directly to discharge from the rear end with the stem stalk.
In actual applications, the threshing cylinder of sheller unit described in the utility model can but be not limited to longitudinal axis streaming threshing cylinder, so long as central support shaft all is applicable to sheller unit described in the utility model towards the threshing cylinder that is provided with before and after the grain header direction of advance.
In actual applications, the threshing cylinder of sheller unit described in the utility model, can but be not limited to be set as various ways such as bar tooth, rasp bar, spike-tooth, bow tooth.Shown in Figure 1 is that example describes with the bar tooth pattern only, and wherein the described threshing cylinder 202 of Fig. 1 can realize that by the installation site of conversion threshing bar tooth cylinder diameter of beater is adjustable, and cylinder-concave clearance is adjustable between corresponding realization and the threshing concave plate.
Threshing concave plate 203 described in the utility model is arranged on the below of described threshing cylinder 202, is used to make the handled thing after described threshing cylinder 203 threshings are handled to leak down.Described handled thing comprises: the band grain stem stalk of grain, not complete threshing and the broken stem stalk of threshing fully etc.
Described vibratory sieve 204 is positioned at the below of described threshing intaglio plate 203, is used to accept the handled thing that leaks down from described threshing concave plate 203 and described handled thing is carried out sorting process.Described vibratory sieve 204 comprises: shuttle board 204a, top sieve 204b, sieve 204c, tail sheet 204d and eccentric wheel 204e down.As shown in Figure 1, in the left side of grain header direction of advance, see that towards machine described eccentric wheel is rotated in a clockwise direction.Described vibratory sieve 204 moves at the effect lower edge of eccentric wheel 204e fore-and-aft direction.By shuttle board 204a, top sieve 204b and the tail sheet 204d that roughly selects usefulness, and the following sieve 204c of selected usefulness, the handled thing that leaks down from described threshing concave plate 203 is carried out sorting, the grain that mixes, the remaining stem stalk of not complete threshing etc. are separated.
Described centrifugal fan 205 is installed in the front end lower portion of described vibratory sieve 204.Described centrifugal fan 205 produces wind-force by driven in rotation, and the handled thing that leaks down from described threshing concave plate 203 is assisted separation.In the described handled thing, the broken stem stalk of remnants is generally all low weight after the threshing fully.And with respect to broken stem stalk, grain or band grain stem stalk mass ratio are bigger.Therefore,, be easy to the handled thing of lighter weight is blowed to the rear of described vibratory sieve 204, realize broken stem stalk and grain or be with grain stem stalk to separate by centrifugal fan 205.
Described recovering mechanism 206 comprises: seed auger 206a and assorted surplus auger 206b.Wherein, described seed auger 206a is arranged on the below at described vibratory sieve 204 front end positions; Described assorted surplus auger 206b is arranged on the below at position, described vibratory sieve 204 rear end.Described seed auger 206a receives the grain that leaks down from the following sieve 204c of described vibratory sieve 204 and reclaims; Described assorted surplus auger 206b reception is leaked down from the top sieve 204b rear of described vibratory sieve 204 and from broken stem stalk or band grain stem stalk that described tail sheet 204d leaks down, is reclaimed.
Grain threshing device described in the utility model is arranged on the corn mowing machine, comprises conveying mechanism and threshing chamber; Described threshing chamber comprises the threshing cylinder that central support shaft is provided with along grain header direction of advance front and back; Feeding mouth place between the junction of described conveying mechanism and described threshing chamber, described conveying rake and threshing cylinder is provided with feeding-wheel.
Adopt grain threshing device described in the utility model, when grain header was worked, described feeding-wheel can be perpendicular to the direction of advance rotation of described grain header.When the crop stem that cuts off when conveying mechanism is sent into feeding mouth, the helical blade spinning movement that install the barrel both sides of described feeding-wheel makes the crop stem that enters feeding mouth pile up to the middle part of feeding-wheel; Simultaneously, sending plate that crop stem is thrown to the feeding cone of threshing cylinder along the throwing of described barrel circumference setting send.Thus, make crop stem on the entire cross section of conveying mechanism, not exist and carry the dead angle, can effectively avoid crop stem to pile up, improved the whole work efficiency of grain header at the feeding mouth place of threshing chamber.
More than to a kind of grain threshing device provided by the utility model, be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a grain threshing device is arranged on the corn mowing machine, it is characterized in that, described sheller unit comprises conveying mechanism and threshing chamber; Described conveying mechanism is positioned at the front end lower portion of described threshing chamber, comprises delivery chute and is installed on the interior conveying rake of described delivery chute; Described threshing chamber comprises feeding-wheel, threshing cylinder, threshing concave plate, vibratory sieve, centrifugal fan and recovering mechanism; Wherein,
Described threshing cylinder is positioned at described threshing chamber top, and its central support shaft is provided with before and after the grain header direction of advance; Described threshing cylinder is around its central support shaft rotation;
Described feeding-wheel is arranged on the feeding mouth place between described conveying rake and the threshing cylinder; Wherein, described feeding mouth refers to the junction of described conveying mechanism and described threshing chamber.
2. grain threshing device according to claim 1 is characterized in that, described feeding-wheel comprises barrel, helical blade and throws and send plate; Wherein,
Described barrel axis is perpendicular to the direction of advance setting of grain header; Described barrel is around its axis rotation; The both sides of described barrel are provided with helical blade respectively, and its circumference is provided with to throw and send plate;
Described barrel is when axis rotates, and described helical blade rotates with it, and the crop stem that enters feeding mouth is piled up to the feeding-wheel middle part; Simultaneously, described throwing send plate to rotate thereupon, crop stem is thrown to described threshing cylinder sent.
3. grain threshing device according to claim 2 is characterized in that, in the every side of described barrel the described helical blade of a slice at least is set; And described helical blade evenly is provided with along the circumferencial direction of described barrel.
4. grain threshing device according to claim 2 is characterized in that, along described barrel circumference the described throwing of a slice at least is set and send plate; And described throwing send plate evenly to be provided with along the circumference of described barrel.
5. grain threshing device according to claim 1 is characterized in that, described threshing cylinder is a longitudinal axis streaming threshing cylinder, adopts low early and high after mode to be provided with along its central support shaft direction.
6. grain threshing device according to claim 1 is characterized in that, described conveying rake is carried rake or belt conveying rake for chain type.
7. grain threshing device according to claim 1 is characterized in that described threshing concave plate is arranged on the below of described threshing cylinder, is used to make the handled thing after described threshing cylinder threshing is handled to leak down.
8. grain threshing device according to claim 7 is characterized in that described vibratory sieve is positioned at the below of described threshing intaglio plate, is used to accept the handled thing that leaks down from described threshing concave plate and described handled thing is carried out sorting process;
Described vibratory sieve comprises: the shuttle board that is used to roughly select, top sieve, and tail sheet are used for selected following sieve, and are used to drive the eccentric wheel that described vibratory sieve moves along fore-and-aft direction; Wherein, in the left side of grain header direction of advance, see that towards machine described eccentric wheel is rotated in a clockwise direction.
9. grain threshing device according to claim 8 is characterized in that, described centrifugal fan is installed in the front end lower portion of described vibratory sieve; Described centrifugal fan produces wind-force by driven in rotation, and the handled thing that leaks down from described threshing concave plate is assisted separation.
10. grain threshing device according to claim 9 is characterized in that, described recovering mechanism comprises seed auger and assorted surplus auger; Wherein,
Described seed auger is arranged on the below at described vibratory sieve front end position, is used to receive the handled thing that leaks down from the following sieve of described vibratory sieve and reclaims; Described assorted surplus auger is arranged on the below at position, described vibratory sieve rear end, is used to receive the handled thing that leaks down and leak down from described tail sheet from the top sieve rear of described vibratory sieve and reclaims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201680632U CN201609045U (en) | 2009-08-14 | 2009-08-14 | Grain threshing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201680632U CN201609045U (en) | 2009-08-14 | 2009-08-14 | Grain threshing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201609045U true CN201609045U (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201680632U Expired - Fee Related CN201609045U (en) | 2009-08-14 | 2009-08-14 | Grain threshing device |
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| CN (1) | CN201609045U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285604A (en) * | 2014-09-30 | 2015-01-21 | 清丰县巩营飞腾机械厂 | Five axis corn thresher with vibrating screen and centrifugal machine |
| CN105165234A (en) * | 2015-10-21 | 2015-12-23 | 中联重机股份有限公司 | Conveying feeding-in device used for axial-flow threshing cylinder and combined harvester |
| CN107347384A (en) * | 2016-05-09 | 2017-11-17 | 四平市顺邦农机制造有限公司 | Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant |
| CN108112343A (en) * | 2016-11-29 | 2018-06-05 | 东风农业装备（襄阳）有限公司 | Harvester and its sheller unit and methods of threshing |
| CN109105005A (en) * | 2018-09-07 | 2019-01-01 | 重庆重运矿山机械制造有限公司 | A kind of sheller unit of rice-wheat thresher |
| CN110393077A (en) * | 2019-09-09 | 2019-11-01 | 周院红 | A kind of comprehensive mesh screen threshing filter device of energy-saving harvester |
| CN114467477A (en) * | 2022-03-24 | 2022-05-13 | 周院红 | All-dimensional mesh screen harvester threshing device with mesh screen web |
-
2009
- 2009-08-14 CN CN2009201680632U patent/CN201609045U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285604A (en) * | 2014-09-30 | 2015-01-21 | 清丰县巩营飞腾机械厂 | Five axis corn thresher with vibrating screen and centrifugal machine |
| CN105165234A (en) * | 2015-10-21 | 2015-12-23 | 中联重机股份有限公司 | Conveying feeding-in device used for axial-flow threshing cylinder and combined harvester |
| CN107347384A (en) * | 2016-05-09 | 2017-11-17 | 四平市顺邦农机制造有限公司 | Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant |
| CN108112343A (en) * | 2016-11-29 | 2018-06-05 | 东风农业装备（襄阳）有限公司 | Harvester and its sheller unit and methods of threshing |
| CN109105005A (en) * | 2018-09-07 | 2019-01-01 | 重庆重运矿山机械制造有限公司 | A kind of sheller unit of rice-wheat thresher |
| CN110393077A (en) * | 2019-09-09 | 2019-11-01 | 周院红 | A kind of comprehensive mesh screen threshing filter device of energy-saving harvester |
| CN114467477A (en) * | 2022-03-24 | 2022-05-13 | 周院红 | All-dimensional mesh screen harvester threshing device with mesh screen web |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 261206 Beihai South Road, Fangzi District, Shandong, No. 192, No. Patentee after: LOVOL HEAVY INDUSTRY CO., LTD. Address before: 261206 No. 192 South Beihai Road, Shandong, Weifang Patentee before: Futian Leiwo International Heavy Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20170814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |