CN201272244Y - Protector for wheel type tractor power output - Google Patents
Protector for wheel type tractor power output Download PDFInfo
- Publication number
- CN201272244Y CN201272244Y CNU200820041035XU CN200820041035U CN201272244Y CN 201272244 Y CN201272244 Y CN 201272244Y CN U200820041035X U CNU200820041035X U CN U200820041035XU CN 200820041035 U CN200820041035 U CN 200820041035U CN 201272244 Y CN201272244 Y CN 201272244Y
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- China
- Prior art keywords
- shaft
- gear
- wheel
- free
- power take
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a protector for a roller tractor power takeoff, belonging to the technical field of the power takeoff transmission of the middle-size and small-size four-wheel drive roller tractor. The protector comprises a postposition power output mechanism and a center power output mechanism. The postposition power output mechanism comprises an input shaft and an output shaft which are arranged on a case body and are coaxial, a duplicate sliding gear and a unidirectional clutch; a duplicate sliding gear key is connected with the input shaft; the unidirectional clutch is respectively arranged on the input shaft and the output shaft; the center power output mechanism comprises an center output shaft, a center gear and the unidirectional clutch; the center output shaft is connected with a center case body and one end extends out of the center case body; the unidirectional clutch is respectively connected with the center gear and the center output shaft; and one gear in the duplicate sliding gear meshes with the center gear by a transition gear. When the roller tractor moves backwards, the utility model cuts the power in time, protects the tractor or farm machinery and improves the work efficiency of the tractor.
Description
Technical field
The utility model relates to a kind of fender guard of wheel-tire tractor takeoff output, belongs to the takeoff output drive technology field of the wheel-tire tractor of middle-size and small-size four wheel drive.
Background technology
The tradition wheel-tire tractor; the power of rearmounted takeoff output is that engine power is by directly being passed to the input shaft of power take-off implement behind the side clutch; after slowing down, one-level imports power take-off shaft into; drive the agricultural machinery and implement operation; when the wheel-tire tractor backward or during agricultural machinery and implement work mal; because side clutch to there not being special fender guard between the power take-off shaft, can not in time cut off power, can cause the damage of trac. parts or agricultural machinery and implement.
Because traditional wheel-tire tractor adopts independently rearmounted power take-off mechanism and mid-power take-off mechanism,, can not further improve the work efficiency of trac. in addition owing to can not work simultaneously.
Summary of the invention
The purpose of this utility model provides a kind of when the wheel-tire tractor backward, can in time cut off power, trac. or agricultural machinery and implement is protected, and can be improved the fender guard of wheel-tire tractor takeoff output of the work efficiency of trac..
The utility model for the technical scheme that achieves the above object is: a kind of fender guard of wheel-tire tractor takeoff output, comprise rearmounted power take-off mechanism and mid-power take-off mechanism, it is characterized in that: described rearmounted power take-off mechanism comprises and is installed on the casing and coaxial input shaft and output shaft and double-sliding gear and free-wheel clutch, the double-sliding gear key is connected on the input shaft, and free-wheel clutch is installed in respectively on input shaft and the output shaft; Described mid-power take-off mechanism comprises mid-output shaft, middle-mounted gear and free-wheel clutch, mid-output shaft is connected on the mid-casing and an end extends mid-casing, free-wheel clutch is connected with mid-output shaft with middle-mounted gear respectively, and one of them gear of double-sliding gear is by transition gear and middle-mounted gear engagement.
The utility model connects output shaft and output shaft by free-wheel clutch, and also connect by free-wheel clutch between mid-output shaft and the middle-mounted gear, when trac. during in normal operation, can be by two free-wheel clutch transferring power to rearmounted power take-off shaft, or on rearmounted power take-off shaft and the mid-power take-off shaft, make power take-off shaft drive the agricultural machinery and implement normal operation.And when the wheel-tire tractor backward,, can in time cut off the transmission of power by these two free-wheel clutch idle running.The utility model can also be by these two free-wheel clutchs at agricultural machinery and implement work mal simultaneously; when perhaps the rotating speed of agricultural machinery and implement is greater than the rotating speed of power take-off shaft; also can in time cut off and be connected with the power of trac.; thereby protected trac. and agricultural machinery and implement, in order to avoid cause the damage of trac. and agricultural machinery and implement.The utility model is by reaching power on the mid-power take-off shaft with the double-sliding gear, intermediate gear and the middle-mounted gear that are connected on the input shaft, rearmounted power is exported separately, also simultaneously rearmounted takeoff output and mid-takeoff output, and improve the operating efficiency of trac..
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Wherein: 1-casing, 2-free-wheel clutch, 3-shift fork, 4-declutch shift shaft, 5-input shaft, 6-double-sliding gear, 7-bearing, 8-transition gear, 9-tween drive shaft, 10-mid-casing, 11-seal ring, 12-mid-power take-off shaft, 13-bearing, 14-middle-mounted gear, 15-spacer, 16-free-wheel clutch, 17-output shaft, 18-gear, 19-reducing gear, 20-bearing seat, 21-rearmounted power take-off shaft, 22-bearing.
The specific embodiment
See shown in Figure 1ly, the fender guard of wheel-tire tractor takeoff output of the present utility model comprises rearmounted power take-off mechanism and mid-power take-off mechanism.Rearmounted power take-off mechanism comprises and is installed on the casing 1 and coaxial input shaft 5 and output shaft 17 and double-sliding gear 6 and free-wheel clutch 2, input shaft 5 and output shaft 17 are installed on the casing 1 by bearing 7, double-sliding gear 6 keys are connected also can be along moving axially on the input shaft 5 on the input shaft 5, this double-sliding gear 6 is by shift fork 3 controls, this shift fork 3 is installed on the declutch shift shaft 4, free-wheel clutch 2 connects input shaft 5 and output shaft 17 respectively, by free-wheel clutch 2 power is passed on the output shaft 17 from input shaft 5, and when input shaft counter-rotating or agricultural machinery and implement malfunction, cut off input shaft 5 by free-wheel clutch 2 and connect to the power of output shaft 17.Free-wheel clutch 2 of the present utility model is roller-type overrunning clutch or free wheeling sprag clutch.See shown in Figure 1, one side of the outer ring of free-wheel clutch is longer than inner ring, the outer ring key of free-wheel clutch 2 one sides is connected on the input shaft 5, the inner ring of free-wheel clutch 2 is connected on the output shaft 17, when adopting roller-type overrunning clutch, rotate in the counterclockwise direction with respect to inner ring the outer ring, and roller just moves and compression spring permission outer ring rotation to big end in having the open slot of cam profile, this moment, this free-wheel clutch locking can not occur, on the contrary locking then.Equally, when rotated in the counterclockwise direction with respect to inner ring the outer ring of free wheeling sprag clutch, then voussoir was pushed run-off the straight and abdicates certain space, and power-transfer clutch can locking, on the contrary locking then.Output shaft 17 of the present utility model can be extended out the rear portion of casing 1 as power take-off shaft.Or as shown in Figure 1, on this output shaft 17 gear 18 is installed also, rearmounted power take-off shaft 21 is installed on the bearing seat 20 of casing 1 by bearing 22, be installed in reducing gear 19 and gear 18 engagements on the rearmounted power take-off shaft 21, drive rearmounted power take-off shaft 21 by reducing gear 19 and rotate and outputting power.
See shown in Figure 1, mid-power take-off mechanism of the present utility model comprises mid-power take-off shaft 12, middle-mounted gear 14 and free-wheel clutch 16, mid-power take-off shaft 12 is connected on the mid-casing 10 by bearing 13 and an end extends mid-casing 10, the open end that mid-power take-off shaft 12 is positioned at mid-casing 10 also is provided with seal ring 11, this mid-casing 10 is positioned at the bottom of casing 1, mid-casing 10 can be installed in the bottom of casing 1, this mid-casing 10 also can be made integral structure with casing 1, free-wheel clutch 16 connects middle-mounted gear 14 and mid-power take-off shaft 12 respectively, this free-wheel clutch 16 is roller-type overrunning clutch or free wheeling sprag clutch, outer ring one side of free-wheel clutch 16 has the middle-mounted gear 14 of one, the inner ring of free-wheel clutch 16 is installed on the mid-power take-off shaft 12, and the outer ring is provided with spacer 15 between middle-mounted gear 14 1 sides and mid-power take-off shaft 12, with middle-mounted gear 14 and free-wheel clutch 16 volume miniaturizations.See shown in Figure 1, one of them gear of the utility model double-sliding gear 6 is by transition gear 8 and middle-mounted gear 14 engagements, 8 of this transition gears are installed in tween drive shaft 9, when the mid-power of needs, by shift fork double-sliding gear and transition gear are meshed, and drive the middle-mounted gear engagement, and the inner ring of driving free-wheel clutch 16 drives mid-powered rotation, and outputting power output.
Claims (7)
1, a kind of fender guard of wheel-tire tractor takeoff output, comprise rearmounted power take-off mechanism and mid-power take-off mechanism, it is characterized in that: described rearmounted power take-off mechanism comprises that being installed in casing (1) goes up and coaxial input shaft (5) and output shaft (17) and double-sliding gear (6) and free-wheel clutch (2), double-sliding gear (6) key is connected on the input shaft (5), and free-wheel clutch (2) connects input shaft (5) and output shaft (17) respectively; Described mid-power take-off mechanism comprises mid-power take-off shaft (12), middle-mounted gear (14) and free-wheel clutch (16), mid-power take-off shaft (12) is connected in the mid-casing (10) and an end extends mid-casing (10), free-wheel clutch (16) connects middle-mounted gear (14) and mid-power take-off shaft (12) respectively, and one of them gear of double-sliding gear (6) is by transition gear (8) and middle-mounted gear (14) engagement.
2, the fender guard of wheel-tire tractor takeoff output according to claim 1 is characterized in that: described free-wheel clutch (2) is roller-type overrunning clutch or free wheeling sprag clutch.
3, the fender guard of wheel-tire tractor takeoff output according to claim 1 and 2 is characterized in that: the outer ring key of described free-wheel clutch (2) one sides is connected on the input shaft (5), and the inner ring of free-wheel clutch (2) is connected on the output shaft (17).
4, the fender guard of wheel-tire tractor takeoff output according to claim 1 is characterized in that: described output shaft (17) extends the rear portion of casing (1) as power take-off shaft.
5, the fender guard of wheel-tire tractor takeoff output according to claim 1; it is characterized in that: transmission gear (18) also is installed on the described output shaft (17), and with the rearmounted power take-off shaft (21) that is installed on the casing (1) on reducing gear (19) engagement.
6, the fender guard of wheel-tire tractor takeoff output according to claim 1 is characterized in that: described free-wheel clutch (16) is roller-type overrunning clutch or free wheeling sprag clutch.
7, the fender guard of wheel-tire tractor takeoff output according to claim 1; it is characterized in that: outer ring one side of described free-wheel clutch (16) has the middle-mounted gear (14) of one; the inner ring of free-wheel clutch (16) is installed on the mid-power take-off shaft (12), and the outer ring is positioned between middle-mounted gear (14) one sides and the mid-power take-off shaft (12) and is provided with spacer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041035XU CN201272244Y (en) | 2008-07-28 | 2008-07-28 | Protector for wheel type tractor power output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820041035XU CN201272244Y (en) | 2008-07-28 | 2008-07-28 | Protector for wheel type tractor power output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272244Y true CN201272244Y (en) | 2009-07-15 |
Family
ID=40882596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820041035XU Expired - Fee Related CN201272244Y (en) | 2008-07-28 | 2008-07-28 | Protector for wheel type tractor power output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272244Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934729A (en) * | 2010-09-01 | 2011-01-05 | 中国一拖集团有限公司 | Central power output and rear power output device of tractor |
| CN102157928A (en) * | 2011-03-31 | 2011-08-17 | 上海纽荷兰农业机械有限公司 | Power output safety protection device for tractor |
| CN102167000A (en) * | 2011-04-18 | 2011-08-31 | 中国一拖集团有限公司 | Tractor power output control system and control method |
| CN109249798A (en) * | 2018-01-22 | 2019-01-22 | 南京农业大学 | A kind of postposition, free-standing Series-type hybrid power tractor distributing means for power supply |
| CN109723732A (en) * | 2018-12-21 | 2019-05-07 | 安徽农业大学 | A kind of tractor motive power output shaft overload protection arrangement |
| CN110645324A (en) * | 2019-10-22 | 2020-01-03 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gearbox of wheeled tractor |
-
2008
- 2008-07-28 CN CNU200820041035XU patent/CN201272244Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934729A (en) * | 2010-09-01 | 2011-01-05 | 中国一拖集团有限公司 | Central power output and rear power output device of tractor |
| CN101934729B (en) * | 2010-09-01 | 2013-01-02 | 中国一拖集团有限公司 | Central power output and rear power output device of tractor |
| CN102157928A (en) * | 2011-03-31 | 2011-08-17 | 上海纽荷兰农业机械有限公司 | Power output safety protection device for tractor |
| CN102157928B (en) * | 2011-03-31 | 2013-10-09 | 上海纽荷兰农业机械有限公司 | Power output safety protection device for tractor |
| CN102167000A (en) * | 2011-04-18 | 2011-08-31 | 中国一拖集团有限公司 | Tractor power output control system and control method |
| CN109249798A (en) * | 2018-01-22 | 2019-01-22 | 南京农业大学 | A kind of postposition, free-standing Series-type hybrid power tractor distributing means for power supply |
| CN109723732A (en) * | 2018-12-21 | 2019-05-07 | 安徽农业大学 | A kind of tractor motive power output shaft overload protection arrangement |
| CN110645324A (en) * | 2019-10-22 | 2020-01-03 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gearbox of wheeled tractor |
| CN110645324B (en) * | 2019-10-22 | 2023-12-05 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gear box of wheeled tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |