CN104904336A - Following rotation preventing rotary blade reverse type mini-tiller - Google Patents
Following rotation preventing rotary blade reverse type mini-tiller Download PDFInfo
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- CN104904336A CN104904336A CN201510254581.6A CN201510254581A CN104904336A CN 104904336 A CN104904336 A CN 104904336A CN 201510254581 A CN201510254581 A CN 201510254581A CN 104904336 A CN104904336 A CN 104904336A
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Abstract
The invention provides a following rotation preventing rotary blade reverse type mini-tiller and belongs to the field of agricultural machines. According to the following rotation preventing rotary blade reverse type mini-tiller, a conveying mechanism comprises a belt with an internal tooth groove, a worm, a wheel worm wheel and a rotary blade worm wheel, the belt with the internal tooth groove is connected between a driving wheel and a tensioning wheel in a sleeving mode, a belt stop part is connected with the tensioning wheel and clamped with the internal tooth groove of the belt of the internal tooth groove, the wheel worm wheel and the rotary blade worm wheel are connected to the front and the rear of the worm respectively, the rotating directions of the wheel worm wheel and the rotary blade worm wheel are opposite, a wheel axle and a rotary blade shaft are connected to the center of the wheel worm wheel and the center of the rotary blade worm wheel respectively, and the wheel axle and the rotary blade shaft are connected with wheels and rotary blades respectively. The function of the mini-tiller is practical, the belt with the internal tooth groove is improved and then utilized, the belt stop part is used cooperatively, the belt can not rotate in a following mode again after stopping rotating fast, and therefore the use safety of the mini-tiller is improved; a transmission mode is modified into transmission of the worm and the double worm wheels, soil after being plowed one time is more thorough and finer compared with that plowed by a traditional mini-tiller, and the plowing efficiency and the practicality of the mini-tiller are greatly improved.
Description
Technical field
The invention belongs to agricultural mechanical field, particularly a kind of mini-size tillage machine.
Background technology
Mini-size tillage machine as a kind of conventional agricultural machinery its in Chinese agriculture is produced application more and more extensive, play more and more important effect ploughing, in farming.On the one hand, in standard-required, mini-size tillage machine is when stopping, and cultivated cutter must stop operating in 5 seconds, otherwise will reduce the safety of mini-size tillage machine.At present in similar mini-size tillage machine; what use is all the flat pattern belt not having internal spline; after unclamping Isolating Switch; often owing to still there is certain frictional force between belt and driving wheel; belt is caused often to there will be transfer phenomenon; cultivated cutter can not be stopped operating in 5 seconds; for preventing this type of bad phenomenon; must repeatedly debug on a production line during production; but sometimes still can not be effective after debugging; greatly waste the operating time of debugging station, reduce production efficiency, the safety in utilization of finished product mini-size tillage machine is reduced.
On the other hand, in the kind of drive, major part mini-size tillage machine adopts single Worm Wheel System, namely transmission is interconnected by a worm screw and a worm gear, cultivated cutter is driven to rotate forward after worm gear wheel, and the wheel being arranged on cultivated cutter rear is dragged forward rotation, the rotation direction of wheel and cultivated cutter is all in the same way and proal, in such cases, the time that cultivated cutter stops at same cultivated land is too short, cause the effect behind disposable arable land good not, often need repeatedly to plough repeatedly back and forth, ploughing capacity is declined.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of anti-transfer wheel convertible mini-size tillage machine.Modified utilization band internal spline belt, with the use of flap part, makes cultivated cutter namely can stop with Isolating Switch and pine, the safety in utilization of mini-size tillage machine is promoted greatly; In addition, under the effect of worm screw with two worm gear, the wheel of mini-size tillage machine rotates forward, and cultivated cutter rotates backward, and under the interaction of two power, cultivated cutter was obviously increased in the farming time of same cultivated land, makes farming effect better.
The technical scheme that the present invention is adopted for achieving the above object is: cutter reversible type mini-size tillage machine is ploughed in a kind of anti-transfer, handrail connection frame, frame connects power, power to be dynamically connected wheel by transmission mechanism band, plough cutter, the Isolating Switch be positioned on handrail is connected with transmission mechanism by connecting line, it is characterized in that: transmission mechanism comprises band internal spline belt and is nested with and is connected between driving wheel and regulating wheel, flap part is connected with regulating wheel, flap part links mutually with the internal spline of band internal spline belt, worm screw, wheel worm gear, plough cutter worm gear, wheel worm gear is connected respectively before and after worm screw, plough cutter worm gear, wheel worm gear is contrary with the rotation direction of cultivated cutter worm gear, wheel worm gear is connected axletree respectively with the center of cultivated cutter worm gear, plough cutter shaft, axletree is connected wheel respectively with cultivated cutter shaft, plough cutter.
Further, described contrary with the hand of spiral of the worm tooth of the worm screw that wheel worm gear, cultivated cutter worm gear are connected, the hand of spiral of the worm-gear toothing of wheel worm gear, cultivated cutter worm gear is identical with the hand of spiral of the worm tooth of the worm screw be connected respectively.
Further, described transmission mechanism also comprises driving wheel, driven pulley, is connected between driving wheel with driven pulley by internal spline belt, the front end of driven pulley center connecting worm.
Further, described transmission mechanism also comprises regulating wheel and is connected with tensioner arm, and tensioner arm is connected with tensioning spring, connecting line respectively.
Further, the inner toothed surface of described band internal spline belt and driving wheel relax and fit, and the non-inner toothed surface of band internal spline belt and regulating wheel relax and fit.
Further, the thickness of described band internal spline belt is 0.1 ~ 2cm, and interior tooth depth is 0.5 ~ 1.5cm.
Further, the rear end of described worm screw connects resistance rod.
Further, the distance on described flap part distance regulating wheel surface is 0.5 ~ 1.5mm.
Practical function of the present invention, modified utilization band internal spline belt, with the use of flap part, when making to unclamp Isolating Switch, flap part just can be stuck in the teeth groove of belt, and belt is stopped operating rapidly, and can not transfer again after stopping, plough cutter thus just namely to stop with Isolating Switch and pine, increase the safety in utilization of mini-size tillage machine, meanwhile, greatly save the operating time of debugging station on production line, and finished product mini-size tillage machine is safe and reliable, improve the quality of product; Be worm screw and two worm-drive by repacked driving method, make cultivated cutter contrary with turning to of wheel, thus mini-size tillage machine can be made when farming, the time of ploughing cutter stop at same cultivated land increases, soil behind disposable arable land is comparatively ploughed riper thinner than traditional mini-size tillage machine, substantially increases the practicality of ploughing capacity and mini-size tillage machine.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Fig. 1 is the structural representation that cutter reversible type mini-size tillage machine is ploughed in a kind of anti-transfer.
Fig. 2 is the structural representation (hiding wheel and cultivated cutter) that cutter reversible type mini-size tillage machine is ploughed in a kind of anti-transfer.
Fig. 3 is the structural representation that the transmission mechanism of cutter reversible type mini-size tillage machine is ploughed in a kind of anti-transfer.
Fig. 4 is the schematic diagram that transmission mechanism that cutter reversible type mini-size tillage machine is ploughed in a kind of anti-transfer is connected with axletree
In figure: 1, handrail, 2, frame, 3, power, 4, transmission mechanism, 5, worm screw, 6, wheel worm gear, 7, plough cutter worm gear, 8, axletree, 9, cutter shaft is ploughed, 10, driving wheel, 11, regulating wheel, 12, flap part, 13, wheel, 14, plough cutter, 15, band internal spline belt, 16, Isolating Switch, 17, connecting line, 18, regulating wheel, 19, tensioner arm, 20, tensioning spring, 21, resistance rod, 22, driven pulley.
Embodiment
Describe the present invention in detail below in conjunction with specific embodiment and accompanying drawing, but the present invention is not limited to specific embodiment.
Embodiment 1
Cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one as Figure 1-Figure 4, handrail 1 connection frame 2, frame 2 connects power 3, power 3 is with by transmission mechanism 4 wheel 13 that is dynamically connected, plough cutter 14, the Isolating Switch 16 be positioned on handrail 1 is connected with transmission mechanism 4 by connecting line 17, transmission mechanism 4 comprises band internal spline belt 15 and is nested with and is connected between driving wheel 10 and regulating wheel 18, inner toothed surface with internal spline belt 15 and driving wheel 10 relax and fit, non-inner toothed surface with internal spline belt 15 and regulating wheel 18 relax and fit, thickness with internal spline belt 15 is 0.1cm, interior tooth depth is 0.5cm, flap part 12 is connected with regulating wheel 18, flap part 12 is 0.5mm apart from the distance on regulating wheel 18 surface, flap part 12 links mutually with the internal spline of band internal spline belt 15, regulating wheel 18 is connected with tensioner arm 19, tensioner arm 19 respectively with tensioning spring 20, connecting line 17 is connected, worm screw 5, wheel worm gear 6, plough cutter worm gear 7, wheel worm gear 6 is connected respectively before and after worm screw 5, plough cutter worm gear 7, wheel worm gear 6, the hand of spiral of ploughing the worm tooth of the worm screw 5 that cutter worm gear 7 is connected is contrary, wheel worm gear 6, the hand of spiral of ploughing the worm-gear toothing of cutter worm gear 7 is identical with the hand of spiral of the worm tooth of the worm screw 5 be connected respectively, wheel worm gear 6 is connected axletree 8 respectively with the center of cultivated cutter worm gear 7, plough cutter shaft 9, axletree 8 is connected wheel 13 respectively with cultivated cutter shaft 9, plough cutter 14.
Embodiment 2
When utilizing the anti-transfer of the one described in embodiment 1 to plough the work of cutter reversible type mini-size tillage machine, start power 3, when pressing down Isolating Switch 16, connecting line 17 can lift tensioner arm 19, tensioning spring 20 is caused to produce tensile deformation, tensioner arm 19 drives regulating wheel 18 holddown belt internal spline belt 15, band internal spline belt 15 and driving wheel 10 are fitted tightly, make flap part 12 be separated with the internal spline of band internal spline belt 15 simultaneously, now driving wheel 10 is driven to rotate by the frictional force between band internal spline belt 15 and driving wheel 10, driving wheel 10 drives driven pulley 22 to rotate by band internal spline belt 15, thus drive worm screw 5 to rotate, the wheel worm gear 6 be now connected respectively with worm screw 5, plough cutter worm gear 7 to rotate, wheel worm gear 6, the rotation direction of ploughing cutter worm gear 7 is contrary, namely wheel worm gear 6 rotates forward, plough cutter worm gear 7 to rotate backward, with wheel worm gear 6, plough the axletree 8 that cutter worm gear 7 is connected respectively, cultivated cutter shaft 9 produces respectively and rotates forward, the effect rotated backward, thus be with motor car wheel 13 to rotate advance forward respectively, cultivated cutter 14 is driven to rotate arable land backward, plough cutter 14 thus obviously to increase in the time of same cultivated land farming, riper thinner by soil cultivating.
When needs carry out the anxious stopping time to the mini-size tillage machine be under operating condition, after unclamping Isolating Switch 16, tensioning spring 20 deformation disappears, tensioner arm 19 resets, the flap part 12 be connected with regulating wheel 18 is made to link in the internal spline being with internal spline belt 15, thus prevent the transfer action of band internal spline belt 15 immediately, make mini-size tillage machine realize suddenly stopping effect.
Embodiment 3
Cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one as Figure 1-Figure 4, handrail 1 connection frame 2, frame 2 connects power 3, power 3 is with by transmission mechanism 4 wheel 13 that is dynamically connected, plough cutter 14, the Isolating Switch 16 be positioned on handrail 1 is connected with transmission mechanism 4 by connecting line 17, transmission mechanism 4 comprises band internal spline belt 15 and is nested with and is connected between driving wheel 10 and regulating wheel 18, inner toothed surface with internal spline belt 15 and driving wheel 10 relax and fit, non-inner toothed surface with internal spline belt 15 and regulating wheel 18 relax and fit, thickness with internal spline belt 15 is 1cm, interior tooth depth is 1cm, flap part 12 is connected with regulating wheel 18, flap part 12 is 1mm apart from the distance on regulating wheel 18 surface, flap part 12 links mutually with the internal spline of band internal spline belt 15, regulating wheel 18 is connected with tensioner arm 19, tensioner arm 19 respectively with tensioning spring 20, connecting line 17 is connected, worm screw 5, wheel worm gear 6, plough cutter worm gear 7, wheel worm gear 6 is connected respectively before and after worm screw 5, plough cutter worm gear 7, wheel worm gear 6, the hand of spiral of ploughing the worm tooth of the worm screw 5 that cutter worm gear 7 is connected is contrary, wheel worm gear 6, the hand of spiral of ploughing the worm-gear toothing of cutter worm gear 7 is identical with the hand of spiral of the worm tooth of the worm screw 5 be connected respectively, wheel worm gear 6 is connected axletree 8 respectively with the center of cultivated cutter worm gear 7, plough cutter shaft 9, axletree 8 is connected wheel 13 respectively with cultivated cutter shaft 9, plough cutter 14.
Embodiment 4
When utilizing the anti-transfer of the one described in embodiment 3 to plough the work of cutter reversible type mini-size tillage machine, start power 3, when pressing down Isolating Switch 16, connecting line 17 can lift tensioner arm 19, tensioning spring 20 is caused to produce tensile deformation, tensioner arm 19 drives regulating wheel 18 holddown belt internal spline belt 15, band internal spline belt 15 and driving wheel 10 are fitted tightly, make flap part 12 be separated with the internal spline of band internal spline belt 15 simultaneously, now driving wheel 10 is driven to rotate by the frictional force between band internal spline belt 15 and driving wheel 10, driving wheel 10 drives driven pulley 22 to rotate by band internal spline belt 15, thus drive worm screw 5 to rotate, the wheel worm gear 6 be now connected respectively with worm screw 5, plough cutter worm gear 7 to rotate, wheel worm gear 6, the rotation direction of ploughing cutter worm gear 7 is contrary, namely wheel worm gear 6 rotates forward, plough cutter worm gear 7 to rotate backward, with wheel worm gear 6, plough the axletree 8 that cutter worm gear 7 is connected respectively, cultivated cutter shaft 9 produces respectively and rotates forward, the effect rotated backward, thus be with motor car wheel 13 to rotate advance forward respectively, cultivated cutter 14 is driven to rotate arable land backward, plough cutter 14 thus obviously to increase in the time of same cultivated land farming, riper thinner by soil cultivating.
When needs carry out the anxious stopping time to the mini-size tillage machine be under operating condition, after unclamping Isolating Switch 16, tensioning spring 20 deformation disappears, tensioner arm 19 resets, the flap part 12 be connected with regulating wheel 18 is made to link in the internal spline being with internal spline belt 15, thus prevent the transfer action of band internal spline belt 15 immediately, make mini-size tillage machine realize suddenly stopping effect.
Embodiment 5
Cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one as Figure 1-Figure 4, handrail 1 connection frame 2, frame 2 connects power 3, power 3 is with by transmission mechanism 4 wheel 13 that is dynamically connected, plough cutter 14, the Isolating Switch 16 be positioned on handrail 1 is connected with transmission mechanism 4 by connecting line 17, transmission mechanism 4 comprises band internal spline belt 15 and is nested with and is connected between driving wheel 10 and regulating wheel 18, inner toothed surface with internal spline belt 15 and driving wheel 10 relax and fit, non-inner toothed surface with internal spline belt 15 and regulating wheel 18 relax and fit, thickness with internal spline belt 15 is 2cm, interior tooth depth is 1.5cm, flap part 12 is connected with regulating wheel 18, flap part 12 is 1.5mm apart from the distance on regulating wheel 18 surface, flap part 12 links mutually with the internal spline of band internal spline belt 15, regulating wheel 18 is connected with tensioner arm 19, tensioner arm 19 respectively with tensioning spring 20, connecting line 17 is connected, worm screw 5, wheel worm gear 6, plough cutter worm gear 7, wheel worm gear 6 is connected respectively before and after worm screw 5, plough cutter worm gear 7, wheel worm gear 6, the hand of spiral of ploughing the worm tooth of the worm screw 5 that cutter worm gear 7 is connected is contrary, wheel worm gear 6, the hand of spiral of ploughing the worm-gear toothing of cutter worm gear 7 is identical with the hand of spiral of the worm tooth of the worm screw 5 be connected respectively, wheel worm gear 6 is connected axletree 8 respectively with the center of cultivated cutter worm gear 7, plough cutter shaft 9, axletree 8 is connected wheel 13 respectively with cultivated cutter shaft 9, plough cutter 14.
Embodiment 6
When utilizing the anti-transfer of the one described in embodiment 5 to plough the work of cutter reversible type mini-size tillage machine, start power 3, when pressing down Isolating Switch 16, connecting line 17 can lift tensioner arm 19, tensioning spring 20 is caused to produce tensile deformation, tensioner arm 19 drives regulating wheel 18 holddown belt internal spline belt 15, band internal spline belt 15 and driving wheel 10 are fitted tightly, make flap part 12 be separated with the internal spline of band internal spline belt 15 simultaneously, now driving wheel 10 is driven to rotate by the frictional force between band internal spline belt 15 and driving wheel 10, driving wheel 10 drives driven pulley 22 to rotate by band internal spline belt 15, thus drive worm screw 5 to rotate, the wheel worm gear 6 be now connected respectively with worm screw 5, plough cutter worm gear 7 to rotate, wheel worm gear 6, the rotation direction of ploughing cutter worm gear 7 is contrary, namely wheel worm gear 6 rotates forward, plough cutter worm gear 7 to rotate backward, with wheel worm gear 6, plough the axletree 8 that cutter worm gear 7 is connected respectively, cultivated cutter shaft 9 produces respectively and rotates forward, the effect rotated backward, thus be with motor car wheel 13 to rotate advance forward respectively, cultivated cutter 14 is driven to rotate arable land backward, plough cutter 14 thus obviously to increase in the time of same cultivated land farming, riper thinner by soil cultivating.
When needs carry out the anxious stopping time to the mini-size tillage machine be under operating condition, after unclamping Isolating Switch 16, tensioning spring 20 deformation disappears, tensioner arm 19 resets, the flap part 12 be connected with regulating wheel 18 is made to link in the internal spline being with internal spline belt 15, thus prevent the transfer action of band internal spline belt 15 immediately, make mini-size tillage machine realize suddenly stopping effect.
Claims (8)
1. cutter reversible type mini-size tillage machine is ploughed in an anti-transfer, handrail (1) connection frame (2), frame (2) connects power (3), power (3) is with by transmission mechanism (4) wheel (13) that is dynamically connected, plough cutter (14), the Isolating Switch (16) be positioned on handrail (1) is connected with transmission mechanism (4) by connecting line (17), it is characterized in that: transmission mechanism (4) comprises band internal spline belt (15) and is nested with and is connected between driving wheel (10) and regulating wheel (11), flap part (12) is connected with regulating wheel (11), flap part (12) links mutually with the internal spline of band internal spline belt (15), worm screw (5), wheel worm gear (6), plough cutter worm gear (7), wheel worm gear (6) is connected respectively before and after worm screw (5), plough cutter worm gear (7), wheel worm gear (6) is contrary with the rotation direction of cultivated cutter worm gear (7), wheel worm gear (6) is connected axletree (8) respectively with the center of cultivated cutter worm gear (7), plough cutter shaft (9), axletree (8) is connected wheel (13) respectively with cultivated cutter shaft (9), plough cutter (14).
2. cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one according to claim 1, it is characterized in that: described contrary with the hand of spiral of the worm tooth of the worm screw (5) that wheel worm gear (6), cultivated cutter worm gear (7) are connected, the hand of spiral of the worm-gear toothing of wheel worm gear (6), cultivated cutter worm gear (7) is identical with the hand of spiral of the worm tooth of the worm screw (5) be connected respectively.
3. cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one according to claim 1, it is characterized in that: described transmission mechanism (4) also comprises driving wheel (10), driven pulley (22), be connected by internal spline belt (15) between driving wheel (10) with driven pulley (22), the front end at driven pulley (22) center connecting worm (5).
4. plough cutter reversible type mini-size tillage machine according to the arbitrary described anti-transfer of one of claim 1 or 3, it is characterized in that: described transmission mechanism (4) also comprises regulating wheel (18) and is connected with tensioner arm (19), tensioner arm (19) is connected with tensioning spring (20), connecting line (17) respectively.
5. cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one according to claim 1, it is characterized in that: the inner toothed surface of described band internal spline belt (15) and driving wheel (10) relax and fit, the non-inner toothed surface of band internal spline belt (15) and regulating wheel (11) relax and fit.
6. plough cutter reversible type mini-size tillage machine according to the arbitrary described anti-transfer of one of claim 1 or 5, it is characterized in that: the thickness of described band internal spline belt (15) is 0.1 ~ 2cm, and interior tooth depth is 0.5 ~ 1.5cm.
7. cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one according to claim 1, it is characterized in that: the rear end of described worm screw (5) connects resistance rod (21).
8. cutter reversible type mini-size tillage machine is ploughed in the anti-transfer of one according to claim 1, it is characterized in that: the distance on described flap part (12) distance regulating wheel (11) surface is 0.5 ~ 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254581.6A CN104904336A (en) | 2015-05-18 | 2015-05-18 | Following rotation preventing rotary blade reverse type mini-tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254581.6A CN104904336A (en) | 2015-05-18 | 2015-05-18 | Following rotation preventing rotary blade reverse type mini-tiller |
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| Publication Number | Publication Date |
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| CN104904336A true CN104904336A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510254581.6A Pending CN104904336A (en) | 2015-05-18 | 2015-05-18 | Following rotation preventing rotary blade reverse type mini-tiller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09191702A (en) * | 1996-01-16 | 1997-07-29 | Fuji Robin Ind Ltd | Two-axle axle-rotor type small-sized managing machine |
| CN2389455Y (en) * | 1999-08-24 | 2000-08-02 | 凌雨光 | Speed reducer for double-shaft spiral tiller for paddy field |
| CN201594979U (en) * | 2010-01-08 | 2010-10-06 | 颜志江 | Mini-type bionic rotary cultivator |
| CN201609016U (en) * | 2010-01-08 | 2010-10-20 | 颜志江 | Worm gear case assembly of tilling and ripping machine |
| CN201629954U (en) * | 2009-11-06 | 2010-11-17 | 桂林高新区科丰机械有限责任公司 | Micro-cultivator handle clutch device |
| CN204305566U (en) * | 2014-12-09 | 2015-05-06 | 通海达森工贸有限公司 | Worm geared weed and loose soil machine |
| CN204733530U (en) * | 2015-05-18 | 2015-11-04 | 高邮市北方动力机械有限公司 | Prevent that it ploughs machine a little to plough sword reversal rotating type with commentaries on classics |
-
2015
- 2015-05-18 CN CN201510254581.6A patent/CN104904336A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09191702A (en) * | 1996-01-16 | 1997-07-29 | Fuji Robin Ind Ltd | Two-axle axle-rotor type small-sized managing machine |
| CN2389455Y (en) * | 1999-08-24 | 2000-08-02 | 凌雨光 | Speed reducer for double-shaft spiral tiller for paddy field |
| CN201629954U (en) * | 2009-11-06 | 2010-11-17 | 桂林高新区科丰机械有限责任公司 | Micro-cultivator handle clutch device |
| CN201594979U (en) * | 2010-01-08 | 2010-10-06 | 颜志江 | Mini-type bionic rotary cultivator |
| CN201609016U (en) * | 2010-01-08 | 2010-10-20 | 颜志江 | Worm gear case assembly of tilling and ripping machine |
| CN204305566U (en) * | 2014-12-09 | 2015-05-06 | 通海达森工贸有限公司 | Worm geared weed and loose soil machine |
| CN204733530U (en) * | 2015-05-18 | 2015-11-04 | 高邮市北方动力机械有限公司 | Prevent that it ploughs machine a little to plough sword reversal rotating type with commentaries on classics |
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Application publication date: 20150916 |
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