CN2441284Y - Speed changing interlocking mechanism for hand rotary cultivator unit - Google Patents
Speed changing interlocking mechanism for hand rotary cultivator unit Download PDFInfo
- Publication number
- CN2441284Y CN2441284Y CN 00221562 CN00221562U CN2441284Y CN 2441284 Y CN2441284 Y CN 2441284Y CN 00221562 CN00221562 CN 00221562 CN 00221562 U CN00221562 U CN 00221562U CN 2441284 Y CN2441284 Y CN 2441284Y
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- gear
- groove
- colter
- speed change
- interlock board
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Abstract
The utility model relates to a speed changing interlocking mechanism for hand rotary cultivator units, which comprises a main speed changing operating mechanism and the speed changing operating mechanism of the rotary cultivator. The utility model is characterized in that the lower part of an I-shaped gear groove of a gear plate is provided with a one-shaped gear groove; an interlocking plate is hinged and connected with the relevant position of the top end of the one-shaped gear groove on one side of a back gear groove against the I-shaped gear groove; the interlocking plate is provided with a Y-shaped groove; speed changing levers of a coulter are arranged in the Y-shaped groove of the interlocking plate and the one-shaped gear groove of the gear plate; the upper part of the interlocking plate is extended with a gear side near one side of the back gear. The speed change of the coulter and the operating interlocking with main speed change are realized, and the utility model has the advantages of high safety, simple structure and convenient operation.
Description
The utility model relates to a kind of hand tractor rotary tillage unit selector gear, especially relate to a kind of 3+1 shelves or (3+1) * 2 the walking rotary cultivator group speed change of grade speed change, supporting associated mode rotovator handle mutual interlocking gear.
At present, hand tractor rotary tillage unit, especially for rotary tillage unit with high and low two grades of speed changes, a kind of type be the easterly type hand tractor supporting rotary tillage unit, the colter gearbox of this rotary tillage unit is contained in the rear portion of hand tractor gearbox, the colter gear lever is arranged in the back upper place of colter gearbox, the shifting block of colter gear lever is arranged in the interior change-speed gearing allocating slot of colter gearbox, directly stir the gears engaged in colter high gear and low-speed gear and the hand tractor gearbox, realize high speed, the tick-over of rotary tillage unit.This kind type is provided with gag lever post and carries out spacing to main transformer speed control stick and colter gear lever below case, because the installation accuracy of gag lever post is difficult to guarantee, spacing unreliable, there is not interlock function again in addition, especially when mistake is bumped the colter control stick and placed the high-grade position of rotovator, can cause the cutter shaft high speed rotating of rotovator, actual safety in utilization is not good enough, can't reach the relevant safety standards of country and industry.Secondly, the colter gear lever is independent setting, does not have direct correlation with hand tractor main transformer speed operating mechanism, and its structure is not compact.Another kind of type be workers and peasants' type hand tractor supporting rotary tillage unit, the colter gearbox of this rotary tillage unit is contained in the rear portion of hand tractor gearbox, colter speed change driving lever is contained in the top of colter gearbox, be arranged on colter gear lever in the gear plate circular hole by rotation, the gear that drive shifting arm, driving lever and shift fork are stirred in colter high gear and low-speed gear and the hand tractor gearbox closes, and realizes the high, low speed work of rotary tillage unit.Though this kind type is provided with the safety mutually-locking device of tractor reverse gear, guarantee in the hand tractor reverse gear process, the colter gear lever is fixed on the neutral position, meet country's safety standards relevant with industry, but its mutual interlocking gear must be combined by the high and low shelves two cover mutual interlocking gears of main transformer speed, and parts are more, the structural configuration complexity, make difficulty, cost is higher relatively.
The purpose of this utility model provides a kind of hand tractor can reliable separately engage a gear at reverse gear and rotary tillage gear, but can not move simultaneously, meet the relevant safe peace standard of country and industry, and simple in structure, easy to operate walking rotary cultivator group speed change is handled mutual interlocking gear.
The utility model is that the technical scheme that achieves the above object is: a kind of walking rotary cultivator group speed change is handled mutual interlocking gear, comprise main transformer speed operating mechanism and rotovator selector gear, it is characterized in that: the in-line shift slot is arranged at the I-shaped gear groove bottom that is connected in the gear plate main transformer speed at case rear portion, interlock board is hinged in reverse gear groove one side of gear plate by I-shaped gear groove, on the relevant position on in-line gear groove top, interlock board has and the corresponding elongated slot of in-line gear groove, and below the speed change neutral position at this elongated slot middle part, also have skewed slot, constitute " y " shape groove of interlock board around hinged some direction of rotation; The colter gear lever is arranged in the in-line shift slot of interlock board bottom " y " shape groove and gear plate, and a shelves limit near the I-shaped shelves of gear plate kerve reverse gear one side is stretched out on interlock board top.
The utility model adopts the advantage after the technique scheme to be: 1, safe and reliable.Walking rotary cultivator group speed change of the present utility model is handled mutual interlocking gear, be provided with the high and low shift stopper slot of the colter speed change of in-line groove in the I-shaped gear groove bottom of gear plate main transformer speed, and " y " shape groove is arranged at the interlock board bottom that is hinged on the gear plate, the colter gear lever is arranged in the in-line groove of gear plate and in " y " shape groove of interlock board and carries out the shift throw-over, therefore when the main transformer speed control stick of hand tractor hangs over reverse gear position, main transformer speed control stick forces interlock board to rotate with respect to the gear plate, the shelves limit of interlock board is outside, at this moment the colter gear lever just enters in the skewed slot of " y " shape groove, to pin the colter gear lever, guarantee that it is positioned at the neutral position.When the colter gear lever hangs over high speed rotary tillage shelves or low speed rotary tillage shelves, the colter gear lever is separately positioned on two tops of the elongated slot of interlock board, because the effect on interlock board shelves limit, main transformer speed control stick can be worked on any one drive shift, and can't move towards reverse gear position, therefore guarantee that hand tractor can not carry out reverse gear work when the rotary tillage unit is worked.Therefore, no matter the colter gear lever is positioned at high low speed duty, still hand tractor carries out reverse gear work, all can pin main transformer speed control stick or colter gear lever by interlock board, make two bars be locked on the fixed position relatively, guaranteed the safety in utilization of rotary tillage unit, met the requirement safe in utilization of the relevant tractor rotovator of country with industry.2, simple in structure.Because speed change of the present utility model is handled mutual interlocking gear and is adopted the interlock board of a hinge on the gear plate, the position that is arranged on gear plate and interior colter gear lever of interlock board and main transformer speed control stick can be limited by interlock board, thereby reach the purpose that makes two control stick interlockings, part is few, structure is very simple, and arrange comparatively compactness, be convenient to produce.3, the complete machine functional configuration is optimized, and is easy to operate.Because colter gear lever and main transformer speed control stick all is arranged in the same gear plate, thus easy to operate, and supporting two-in-one other amelioration product such as a modification unit of taking advantage of, more simply suitable.
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Fig. 1 is a structural representation of the present utility model.
A-A when Fig. 2 is Fig. 1 main transformer speed reverse gear position cuts open and shows schematic diagram.
A-A when Fig. 3 is Fig. 1 rotary tillage speed change top grade position cuts open and shows schematic diagram.
A-A when Fig. 4 is Fig. 1 rotary tillage speed change low gear position cuts open and shows schematic diagram.
Fig. 5 is transmission principle figure of the present utility model.
As shown in Figure 1, walking rotary cultivator group speed change of the present utility model is handled mutual interlocking gear, be directed to 3+1 shelves or (3+1) * 2 walking rotary cultivator group of grade speed change, rotovator gearbox body and hand steered tractor main-gear box body associated mode (as east wind-12 type walking rotary cultivator group), to keep unit variable ratio drive system general structure and functional configuration constant.Hand tractor speed change shown in Fig. 1,5 and rotovator gear in the transmission assembly 1, are contained in main shaft driving gear 1-9 and the input of the normal engagement carrying out of the idler gear 1-7 on jackshaft 1-8 power on the main shaft 1-10; The idler gear 1-7 that is connected on the jackshaft 1-8 both can go up the rapid gear 1-4 engagement speed change of sliding with main shaft 1-10, can realize the high-grade speed change of rotovator with 13 engagements of the high-grade change-speed gearing that on colter power transmission shaft 12, slides in the colter gearbox body 14 again.I reverse driving gear 1-3 slides on jackshaft 1-8, is I shelves speed changes when going up I reverse gear driven gear 1-5 engagement with main shaft 1-10; When going up reverse dual-linked gear 1-2 engagement with reversing shaft 1-6 is the reverse gear speed change.The low-grade gear 11 empty covers of rotary tillage are positioned on the colter power transmission shaft 12, and the low-grade rotating speed of rotovator is determined in low-grade gear 11 engagements of I reverse driving gear 1-3 and rotary tillage.Walking rotary cultivator group speed change of the present utility model is handled mutual interlocking gear, comprise main transformer speed operating mechanism and rotovator selector gear, be installed in major and minor gear shift fork 1-11,1-12 and the 1-13 on transmission assembly 1 top, gear shift cover assembly 2, case 3, the main transformer speed operating mechanism that the gear plate 5 that case 3 is connected later and main transformer speed driving lever 2-1 and secondary speed change driving lever 2-2, major and minor speed change pull bar 4 form has determined that thus the speed change of hand tractor is located.Major and minor speed change pull bar 4 front ends are hinged with main transformer speed driving lever 2-1 and secondary speed change driving lever 2-2 respectively, the main transformer speed control stick 4-1 that its rear end is connected with then be arranged at gear plate main transformer speed I-shaped gear groove 5-1 in.Be connected with colter gear shift cover 9 above the colter gearbox body 14, be installed in the colter gear shift cover 9 and shifting block 10-1 is arranged at colter speed change driving lever 10 in the speed change allocating slot 13-1 of high-grade change-speed gearing, the colter shifting arm 8 and the colter gear lever 7 that are connected with colter speed change driving lever 10 constitute the rotovator selector gear, have determined the speed change location of rotovator.Shown in Fig. 1～4, in-line shift slot 5-2 is arranged at the I-shaped gear groove 5-1 bottom of gear plate 5 main transformer speed, interlock board 6 is hinged on the relevant position of gear plate 5 by reverse gear groove one side of I-shaped gear groove 5-1, in-line gear groove 5-2 top, interlock board 6 has the corresponding elongated slot with in-line gear groove 5-2, and below the speed change neutral position at this elongated slot middle part, also have skewed slot around hinged some direction of rotation, constitute " y " shape groove 6-1 of interlock board 6, be used for 7 lockings of colter gear lever.Colter gear lever 7 is arranged in the in-line shift slot 5-2 of " y " shape groove 6-1 of interlock board 6 bottoms and gear plate 5, and a shelves limit 6-1 near 5 I-shaped grades of kerve 5-1 of gear plate reverse gear, one side is stretched out on interlock board 6 tops.
For keeping the existing face shaping of hand tractor, interlock board 6 rotates around hinge pin 5-3, and hinge pin 5-3 then is fixed on the inboard of gear plate 5.
The middle part of colter control stick 7 is hinged to be installed on the steady pin sub-assembly 3-1 of case 3, and the bearing pin of its front end is with 8 sliding companies of colter shifting arm, and the rear portion is arranged in " y " shape groove of in-line gear groove 5-2 and limiting plate 6.Therefore colter gear lever 7 also can be by the integrated configuration of case 3 and gear plate 5 and main transformer speed control stick 4-1 reasonable combination formation operating mechanism.
Shown in Fig. 2～4, when colter gear lever 7 was positioned at rotovator top grade or low gear position, the shelves limit 6-2 on the interlock board 6 then limited main transformer speed control stick 4-1 and can hang drive shift but can not enter in the reverse gear groove of I-shaped gear groove 5-1, promptly can not hang reverse gear; When main transformer speed control stick 4-1 enters reverse gear position when carrying out reverse gear, drive shelves limit 6-2, interlock board 6 is rotated around hinge pin 5-3, colter gear lever 7 is locked in the skewed slot of below in the middle of " y " shape groove 6-1 of interlock board, make the rotovator gear lever can't engage a gear, so just, realize the interlocking of rotary tillage speed change and main transformer speed reverse gear, thereby guaranteed the safety in utilization of rotary tillage unit.
Claims (3)
1, a kind of walking rotary cultivator group speed change is handled mutual interlocking gear, comprise main transformer speed operating mechanism and rotovator selector gear, it is characterized in that: in-line shift slot (5-2) is arranged at I-shaped gear groove (5-1) bottom that is connected in gear plate (5) the main transformer speed at case (3) rear portion, interlock board (6) is hinged in reverse gear groove one side of gear plate (5) by I-shaped gear groove (5-1), on the relevant position on in-line gear groove (5-2) top, interlock board (6) has and the corresponding elongated slot of in-line gear groove (5-2), and below the speed change neutral position at this elongated slot middle part, also have skewed slot, constitute " y " shape groove (6-1) of interlock board (6) around hinged some direction of rotation; Colter gear lever (7) is arranged in the in-line shift slot (5-2) of " y " shape groove (6-1) of interlock board (6) bottom and gear plate (5), and a shelves limit (6-1) near the I-shaped shelves of gear plate (5) kerve (5-1) reverse gear one side is stretched out on interlock board (6) top.
2, walking rotary cultivator group speed change according to claim 1 is handled mutual interlocking gear, it is characterized in that: interlock board (6) rotates around hinge pin (5-3), and hinge pin (5-3) is fixed on the inboard of gear plate (5).
3, walking rotary cultivator group speed change according to claim 1 is handled mutual interlocking gear, it is characterized in that: the middle part of colter control stick (7) is hinged on the steady pin sub-assembly (3-1) of case (3) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221562 CN2441284Y (en) | 2000-08-25 | 2000-08-25 | Speed changing interlocking mechanism for hand rotary cultivator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00221562 CN2441284Y (en) | 2000-08-25 | 2000-08-25 | Speed changing interlocking mechanism for hand rotary cultivator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2441284Y true CN2441284Y (en) | 2001-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00221562 Expired - Lifetime CN2441284Y (en) | 2000-08-25 | 2000-08-25 | Speed changing interlocking mechanism for hand rotary cultivator unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2441284Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015548A (en) * | 2016-07-29 | 2016-10-12 | 常州东风农机集团有限公司 | Hydrostatic drive stepless speed change operation and shifting device |
| CN108781647A (en) * | 2018-06-21 | 2018-11-13 | 任丘市超鹰农机有限公司 | Kind of a feed mechanism for seed is sent before one kind |
| CN116085464A (en) * | 2023-02-28 | 2023-05-09 | 威马农机股份有限公司 | Gear lever interlocking mechanism of field management machine |
-
2000
- 2000-08-25 CN CN 00221562 patent/CN2441284Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015548A (en) * | 2016-07-29 | 2016-10-12 | 常州东风农机集团有限公司 | Hydrostatic drive stepless speed change operation and shifting device |
| CN108781647A (en) * | 2018-06-21 | 2018-11-13 | 任丘市超鹰农机有限公司 | Kind of a feed mechanism for seed is sent before one kind |
| CN116085464A (en) * | 2023-02-28 | 2023-05-09 | 威马农机股份有限公司 | Gear lever interlocking mechanism of field management machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU DONGFENG AGRICULTURAL MACHINERY GROUP CO Free format text: FORMER NAME OR ADDRESS: DONGFENG AGRICULTURAL MACHINERY GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 10, Xin Xin Lu, Changzhou, Jiangsu Province, China: 213012 Patentee after: Changzhou Dongfeng Agricultural Machinery Group Co., Ltd. Address before: 10, Xin Xin Lu, Changzhou, Jiangsu Province, China: 213012 Patentee before: Dongfeng Agricultural Machinery Group Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20100825 Granted publication date: 20010808 |