CN201808456U - Intermediate power output and rear power output device of tractor - Google Patents
Intermediate power output and rear power output device of tractor Download PDFInfo
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- CN201808456U CN201808456U CN2010205121283U CN201020512128U CN201808456U CN 201808456 U CN201808456 U CN 201808456U CN 2010205121283 U CN2010205121283 U CN 2010205121283U CN 201020512128 U CN201020512128 U CN 201020512128U CN 201808456 U CN201808456 U CN 201808456U
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- 238000012546 transfer Methods 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 12
- 238000005476 soldering Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 244000144983 clutch Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model relates to an intermediate power output and rear power output device of a tractor, which is controlled by a hydraulically controlled power output clutch and has reasonable design and simple structure. The intermediate power output and rear power output device of the tractor comprises a power input shaft, a power output clutch, a hydraulic control valve, a rear axle shell, a power transmission shaft, a transmission gear assembly, a rear power output shaft, an intermediate power output shaft and a rear power output shifting control device. The hydraulically controlled power output clutch can eliminate inertial force during separation of driven type farm machinery. Special braking components are arranged in the power output clutch, and when the power output clutch is separated, the braking components can actuate so that the power output shaft quickly stops running, thus the power output shaft is prevented from being damaged during lifting. Therefore, the utility model meets the structural needs of the tractor to be matched with various types of farm machinery, better solves the key problem of intermediate power output of the tractor, improves the overall performance of the tractor, and increases the scope of application of the tractor.
Description
Technical field
The utility model belongs to the trac. field, relates to mid-takeoff output of a kind of trac. and rearmounted power take-off implement.
Background technology
At present, the wheel-tire tractor product of China's development is greatly improved in complete set of farm machines and tools and application facet, and particularly rearmounted power take-off implement aspect is tending towards perfect substantially.Along with developing rapidly of mechanization of agriculture, the increasing gradually of operation type.A large amount of employings of modernized mode of operation such as single homework, multiple operation require the agricultural machinery and implement kind of tractor more and more, and supporting mode also is tending towards variation.Except that the back suspension of generally using, rearmounted takeoff output, also have a large amount of work tools to need forward mounting, preposition takeoff output and multiple power take-off implements such as mid-suspension, mid-takeoff output.In recent years,, require trac. to have mid-power take-off implement, so that the work tool of the mid-power of needs such as supporting mid-lawnmower, sweeper is also more and more in complementary operation fields such as turf maintenance, municipal environmental sanitation, garden cleanings.With respect to external trac. pioneering technology, research and the application of domestic trac. aspect mid-takeoff output also relatively lags behind, middle low power section tractor structure is comparatively compact in the prior art, the front driving axle input shaft is arranged in the rear axle housing body below, does not have the mid-power take-off implement of enough spatial destributions; In addition, the rearmounted power take-off shaft of many middle low power section trac.s has only a kind of fixed rotating speed, has limited the kind of supporting agricultural machinery and implement, has reduced trac. in-use performance and field of application.
The utility model content
The purpose of this utility model is to provide a kind of employing hydraulically-controlled type power output clutch control, mid-takeoff output of trac. reasonable in design, that structure is simple and direct and rearmounted power take-off implement.
The utility model can be achieved through the following technical solutions above-mentioned purpose: mid-takeoff output of trac. and rearmounted power take-off implement comprise power input shaft, power output clutch, fluid-controlled valve, rear axle housing body, power drive shaft, driving gear set, rearmounted power take-off shaft, mid-power take-off shaft and rearmounted takeoff output shifting operating device; It is characterized in that: power input shaft is assemblied in the power-transfer clutch spline housing of power output clutch, power output clutch is fixed on the rear axle housing body front end by fastener, and power drive shaft, driving gear set, rearmounted power take-off shaft, mid-power take-off shaft cw are assemblied in the rear axle housing body successively; The driving gear of driving gear set is installed on the takeoff output imput shaft, the driven gear that is meshed with driving gear is installed on the rearmounted power take-off shaft, rearmounted power take-off shaft stretches out in the outer end of rear axle housing body; Mid-power output gear is installed on the mid-power take-off shaft, and mid-power take-off shaft stretches out in the outer end of rear axle housing body.
Power output clutch comprises: power-transfer clutch spline housing, power-transfer clutch stage clip, piston rod soldering member, drag friction disc assembly, power-transfer clutch cylinder body, clutch driving disc, pull back spring and clutch friction disc assembly; The drag friction disc assembly is installed in rear axle housing body front end and concentric with the bearing hole that the power-transfer clutch cylinder body is installed by fastener, the clutch friction disc assembly is installed in the bayonet socket of power-transfer clutch cylinder body and with the male splines of power-transfer clutch spline housing and is meshed, the power-transfer clutch stage clip is assemblied in the inner chamber of power-transfer clutch cylinder body and the formation of power-transfer clutch spline housing, clutch driving disc is installed in by fastener on the steel column of piston rod soldering member and pull back spring is pressed in the aperture on the power-transfer clutch cylinder body, at last the integral body that power-transfer clutch cylinder body and other parts are formed by bearing installation in the bearing hole of rear axle housing body.
Fluid-controlled valve comprises rotary valve, check valve and flow regulating valve; Rotary valve, check valve and flow regulating valve are compound type valve piece, are installed on the outside of rear axle housing body by fastener, and are connected with the oil circuit of power output clutch by pipeline.
Power drive shaft is made up of power take-off drive shaft and takeoff output imput shaft, and the two is connected by spline housing, and the female splines of power take-off drive shaft one end male splines and power-transfer clutch cylinder body cooperatively interacts.
Driving gear set comprises high speed driving gear, low-speed active gear, low speed driven gear, mid-power output gear, rearmounted takeoff output gearshift shift sleeve and high speed driven gear; High speed driving gear and low-speed active gear are installed on the takeoff output imput shaft by spline, high speed driven gear, rearmounted takeoff output gearshift shift sleeve and low speed driven gear are installed on the rearmounted power take-off shaft by spline, and mid-power output gear is installed on the mid-power take-off shaft by spline.
The gearshift rocking arm is captiveed joint with the gearshift driving lever in the rearmounted takeoff output gearshift, the gearshift driving lever is socketed on the rear axle housing body, and carry out axial limiting by positioning plate, its outer shifting block matches with the interior allocating slot of selector fork, selector fork is socketed on the declutch shift shaft, and spring cotter, retainer spring and positioning ball are installed in the knock hole of selector fork.
The utility model can reach following good effect: this device adopts the power output clutch of fluid control, force of inertia when separating for eliminating driving agricultural machinery and implement, ad hoc braking element in the power output clutch, in case power output clutch separates, braking element will work, make the rapid stall of power take-off shaft, in order to avoid damage power take-off shaft when promoting.Rearmounted power take-off shaft is realized two kinds of rotating speeds by rearmounted takeoff output shift sleeve gearshift, and can reach the rearmounted takeoff output of many rotating speeds by the gear cluster of changing different drive ratios.The mid-power take-off shaft of fixed rotating speed is positioned at the rear axle housing body below.The space that enough installations, dismounting is arranged in this device and promote agricultural machinery and implement, convenient supporting multiple agricultural machinery and implement, and in the agricultural machinery and implement lifting process, can not interfere with the before driving output shaft.In sum, this device has satisfied the structure needs of the multiple agricultural machinery and implement of tractor, preferably resolves the gordian technique of the mid-takeoff output of trac. simultaneously, has improved trac. complete machine performance and Applicable scope.
Description of drawings
Fig. 1 is the main TV structure figure of mid-takeoff output of the utility model gear box of tractor and rearmounted power take-off implement;
Fig. 2 is the main TV structure figure of mid-takeoff output of the utility model gear box of tractor and rearmounted power take-off implement medium power output clutch;
Fig. 3 is the fundamental diagram of fluid-controlled valve in mid-takeoff output of the utility model gear box of tractor and the rearmounted power take-off implement;
Fig. 4 is the A-A section drawing of mid-takeoff output of the utility model gear box of tractor and rearmounted power take-off implement.
The specific embodiment
Shown in Fig. 1～4, mid-takeoff output of gear box of tractor and rearmounted power take-off implement comprise power input shaft 1, power output clutch 2, fluid-controlled valve 3, rear axle housing body 5, power drive shaft 6, driving gear set 9, rearmounted power take-off shaft 12, mid-power take-off shaft 17 and rearmounted takeoff output shifting operating device 38.The power-transfer clutch 2 that outputs power is fixed on rear axle housing body 5 front ends by fastener, power input shaft 1 is assemblied in the gear box casing, and power drive shaft 6, driving gear set 9, rearmounted power take-off shaft 12, mid-power take-off shaft 17 cws are assemblied in the rear axle housing body 5 successively.The driving gear of driving gear set 9 is installed on the takeoff output imput shaft 8, on the rearmounted power take-off shaft 12 driven gear that is meshed with driving gear on the transmission shaft is installed, the outer end spindle nose that rearmounted power take-off shaft 12 stretches out in rear axle housing body 5 is processed with spline.On the mid-power take-off shaft 17 mid-power output gear is installed, the outer end spindle nose that mid-power take-off shaft 17 stretches out in rear axle housing body 5 is processed with spline.
Wherein power input shaft 1 two ends are male splines, and front end is connected by spline housing with the I axle of change speed gear box, and the female splines of power-transfer clutch spline housing 18 cooperatively interacts in rear end and the power output clutch 2.
Power output clutch 2 is a multi-disc wet type fluid control, mainly comprises power-transfer clutch spline housing 18, power-transfer clutch stage clip 19, piston rod soldering member 20, drag friction disc assembly 21, power-transfer clutch cylinder body 22, clutch driving disc 23, pull back spring 24 and clutch friction disc assembly 25; Drag friction disc assembly 21 is installed in rear axle housing body 5 front ends and concentric with the bearing hole that power-transfer clutch cylinder body 22 is installed by fastener, clutch friction disc assembly 25 is installed in the bayonet socket of power-transfer clutch cylinder body 22 and with the male splines of power-transfer clutch spline housing 18 and is meshed, power-transfer clutch stage clip 19 is assemblied in the inner chamber of power-transfer clutch cylinder body 22 and 18 formation of power-transfer clutch spline housing, clutch driving disc 23 is installed in by fastener on the steel column of piston rod soldering member 20 and pull back spring 24 is pressed in the aperture on the power-transfer clutch cylinder body 22, at last the integral body that power-transfer clutch cylinder body 22 and other parts are formed by bearing installation in the bearing hole of rear axle housing body 5.
Fluid-controlled valve 3 comprises rotary valve 26, check valve 28 and flow regulating valve 29; Rotary valve 26, check valve 28 and flow regulating valve 29 are compound type valve piece, are installed on the outside of rear axle housing body 5 by fastener, and are connected by the oil circuit of pipeline with power output clutch 2.
Power drive shaft 6 is made up of power take-off drive shaft 4 and takeoff output imput shaft 8, and the two is connected by spline housing 7, and the female splines of power take-off drive shaft 4 one end male spliness and power-transfer clutch cylinder body 22 cooperatively interacts.
Driving gear set 9 comprises high speed driving gear 10, low-speed active gear 11, low speed driven gear 13, mid-power output gear 14, rearmounted takeoff output gearshift shift sleeve 15 and high speed driven gear 16.High speed driving gear 10 and low-speed active gear 11 are installed on the takeoff output imput shaft 8 by spline, high speed driven gear 16, rearmounted takeoff output gearshift shift sleeve 15 and low speed driven gear 13 are installed on the rearmounted power take-off shaft 12 by spline, and mid-power output gear 14 is installed on the mid-power take-off shaft 17 by spline.
Gearshift rocking arm 30 is captiveed joint with gearshift driving lever 32 in the back takeoff output gearshift 38, gearshift driving lever 32 is socketed on the rear axle housing body 5, and carry out axial limiting by positioning plate 31, its outer shifting block matches with the interior allocating slot of selector fork 37, selector fork 37 is socketed on the declutch shift shaft 36, spring cotter 33, retainer spring 34 and positioning ball 35 are installed in the knock hole of selector fork 37, selector fork 37 prongs are stirred rearmounted takeoff output gearshift shift sleeve 15, it is endwisely slipped articulate high speed driven gear 16 or low speed driven gear 13.
Engine power reaches power output clutch 2 through power input shaft 1, controls by 3 pairs of power output clutchs 2 of fluid-controlled valve, realizes the transmission and the cut-out of power.Power is transmitted to driving gear set 9 through power output clutch 2 by power drive shaft 6, by the rearmounted takeoff output gearshift of gearshift rocking arm 30 controls shift sleeve 15, itself and high speed driven gear 16 or low speed driven gear 13 are meshing with each other, power is passed on the rearmounted power take-off shaft 12; Perhaps power passes on the mid-power take-off shaft 17 by power drive shaft 6, low speed driven gear 13 and mid-power output gear 14, drive agricultural machinery and implement work by rearmounted power take-off shaft 12 or mid-power take-off shaft 17 outer end spline axle heads at last, promptly realize the output of rearmounted power or mid-power.
Concrete implementation route is as follows:
In this device two control positions are arranged on the external control handle of fluid-controlled valve 3 concrete enforcement, be respectively " ON " and " OFF ".
When bar handle being moved to the position of " ON " (as Fig. 2, shown in 3), the pressure oil P1 that comes self-pumping is successively by flow regulating valve 29, pressure oil P2 behind check valve 28 and the rotary valve 26 enter rear axle housing body 5 through pipeline and " cavity " B of forming by piston rod soldering member 20 and power-transfer clutch cylinder body 22 in, the resistance that promotion piston rod soldering member 20 overcomes power-transfer clutch stage clip 19 under the effect of pressure oil P2 is moved to the left, until clutch friction disc assembly 25 is compressed, meanwhile because the moving forward of piston rod soldering member 20, and then drive the resistance that clutch driving disc 23 overcomes pull back spring 24 clutch driving disc 23 is separated with drag friction disc assembly 21, promptly brake action is removed.This moment, power drove 22 rotations of power-transfer clutch cylinder body by power input shaft 1 through power-transfer clutch spline housing 18 under clutch friction disc assembly 25 pressuring actions, and power reaches power take-off drive shaft 4, realizes the transmission (as shown in Figure 1) of power.
This moment, power reached power drive shaft 6 by power take-off drive shaft 4, be transmitted to driving gear set 9 through power drive shaft 6 again, by the rearmounted takeoff output gearshift of gearshift rocking arm 30 controls shift sleeve 15, itself and high speed driven gear 16 or low speed driven gear 13 are meshing with each other, power is passed on the rearmounted power take-off shaft 12, and rearmounted power take-off shaft 12 can be exported at a high speed and two kinds of rotating speeds of low speed; Perhaps power passes on the mid-power take-off shaft 17 by power drive shaft 6, low speed driven gear 13 and mid-power output gear 14, and mid-power take-off shaft 17 can be exported a kind of required rotating speed.Drive agricultural machinery and implement work by rearmounted power take-off shaft 12 or mid-power take-off shaft 17 outer end spline axle heads at last, promptly realize the output (as shown in Figure 1) of rearmounted power or mid-power.
When bar handle being moved to the position of " OFF " (shown in Fig. 2,3), pressure oil P1 is through check valve 28 and flow regulating valve 29 direct oil sump tanks 27, " cavity " B inner fluid that formed by piston rod soldering member 20 and power-transfer clutch cylinder body 22 this moment is under the effect of power-transfer clutch stage clip 19, piston rod soldering member 20 is quick travel to the right, clutch friction disc assembly 25 separates with power-transfer clutch cylinder body 22, meanwhile under the effect of pull back spring 24, clutch driving disc 23 engages with drag friction disc assembly 21 rapidly, and power-transfer clutch cylinder body 22 is braked.Power take-off drive shaft 4 stops operating, and realizes the cut-out of power.Finished the function of separating and braking at this process medium power output clutch 2.This moment, power drive shaft 4 stopped operating, and the power that reaches driving gear set 9 is ended, and promptly rearmounted power take-off shaft 12 or mid-power take-off shaft 17 quit work (as shown in Figure 1).
This device has satisfied the structure needs of the multiple agricultural machinery and implement of tractor, preferably resolves the gordian technique of the mid-takeoff output of trac. simultaneously, has improved trac. complete machine performance and Applicable scope.
Claims (6)
1. mid-takeoff output of trac. and rearmounted power take-off implement comprise: power input shaft (1), power output clutch (2), fluid-controlled valve (3), rear axle housing body (5), power drive shaft (6), driving gear set (9), rearmounted power take-off shaft (12), mid-power take-off shaft (17) and rearmounted takeoff output shifting operating device (38); It is characterized in that: power input shaft (1) is assemblied in the power-transfer clutch spline housing (18) of power output clutch (2), power output clutch (2) is fixed on rear axle housing body (5) front end by fastener, and power drive shaft (6), driving gear set (9), rearmounted power take-off shaft (12), mid-power take-off shaft (17) cw are assemblied in the rear axle housing body (5) successively; The driving gear of driving gear set (9) is installed on the takeoff output imput shaft (8), on the rearmounted power take-off shaft (12) driven gear that is meshed with driving gear is installed, rearmounted power take-off shaft (12) stretches out in the outer end of rear axle housing body (5), mid-power output gear (14) is installed on the mid-power take-off shaft (17), and mid-power take-off shaft (17) stretches out in the outer end of rear axle housing body (5).
2. mid-takeoff output of trac. according to claim 1 and rearmounted power take-off implement, it is characterized in that: the drag friction disc assembly (21) in the power output clutch (2) is installed in rear axle housing body (5) front end and concentric with the bearing hole that power-transfer clutch cylinder body (22) is installed by fastener, clutch friction disc assembly (25) is installed in the bayonet socket of power-transfer clutch cylinder body (22) and with the male splines of power-transfer clutch spline housing (18) and is meshed, power-transfer clutch stage clip (19) is assemblied in the inner chamber of power-transfer clutch cylinder body (22) and power-transfer clutch spline housing (18) formation, clutch driving disc (23) is installed in by fastener on the steel column of piston rod soldering member (20) and pull back spring (24) is pressed in the aperture on the power-transfer clutch cylinder body (22), at last the integral body that power-transfer clutch cylinder body (22) and other parts are formed by bearing installation in the bearing hole of rear axle housing body (5).
3. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: the rotary valve (26) in the fluid-controlled valve (3), check valve (28) and flow regulating valve (29) are compound type valve piece, be installed on the outside of rear axle housing body (5) by fastener, and be connected by the oil circuit of pipeline with power output clutch (2).
4. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: power drive shaft (6) is made up of power take-off drive shaft (4) and takeoff output imput shaft (8), the two is connected by spline housing (7), and the female splines of power take-off drive shaft (4) one end male spliness and power-transfer clutch cylinder body (22) cooperatively interacts.
5. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: high speed driving gear (10) in the driving gear set (9) and low-speed active gear (11) are installed on the takeoff output imput shaft (8) by spline, high speed driven gear (16), rearmounted takeoff output gearshift shift sleeve (15) and low speed driven gear (13) are installed on the rearmounted power take-off shaft (12) by spline, and mid-power output gear (14) is installed on the mid-power take-off shaft (17) by spline.
6. middle power wheeled tractor mechanism housing according to claim 1, it is characterized in that: gearshift rocking arm (30) is captiveed joint with gearshift driving lever (32) in the rearmounted takeoff output gearshift (38), gearshift driving lever (32) is socketed on the rear axle housing body (5), and carry out axial limiting by positioning plate (31), its outer shifting block matches with the interior allocating slot of selector fork (37), selector fork (37) is socketed on the declutch shift shaft (36), and spring cotter (33), retainer spring (34) and positioning ball (35) are installed in the knock hole of selector fork (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205121283U CN201808456U (en) | 2010-09-01 | 2010-09-01 | Intermediate power output and rear power output device of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205121283U CN201808456U (en) | 2010-09-01 | 2010-09-01 | Intermediate power output and rear power output device of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201808456U true CN201808456U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205121283U Expired - Lifetime CN201808456U (en) | 2010-09-01 | 2010-09-01 | Intermediate power output and rear power output device of tractor |
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| Country | Link |
|---|---|
| CN (1) | CN201808456U (en) |
Cited By (2)
| 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 |
| CN112081839A (en) * | 2019-06-15 | 2020-12-15 | 丰疆智能科技股份有限公司 | Agricultural machinery and its automatic clutch device and automatic clutch method |
-
2010
- 2010-09-01 CN CN2010205121283U patent/CN201808456U/en not_active Expired - Lifetime
Cited By (3)
| 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 |
| CN112081839A (en) * | 2019-06-15 | 2020-12-15 | 丰疆智能科技股份有限公司 | Agricultural machinery and its automatic clutch device and automatic clutch method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110427 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |