CN106678309B - Power output device for agricultural machinery - Google Patents
Power output device for agricultural machinery Download PDFInfo
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- CN106678309B CN106678309B CN201710099634.0A CN201710099634A CN106678309B CN 106678309 B CN106678309 B CN 106678309B CN 201710099634 A CN201710099634 A CN 201710099634A CN 106678309 B CN106678309 B CN 106678309B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
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Abstract
The power output device for the agricultural machinery comprises a power input mechanism, a power control mechanism and a power output mechanism, wherein an engine inputs power through the power input mechanism and outputs the input power to the power output mechanism in three ways, the power output to a running system is realized through the normal meshing action between bevel gears, and the power output to an output shaft III is standby power output; the power output to the working system is that the hydraulic oil is firstly input into an oil cavity to enable the oil pressure acting force to push a plunger, compress a disc spring and enable a steel sheet to be combined with a friction plate, the steel sheet transmits power to the friction plate through friction force, the friction plate transmits power to a clutch shell through spline engagement, and the power is output to an output shaft I, and the output shaft I outputs power to the working system through a power output belt pulley. The invention divides the power into three paths through the power control mechanism and the power output mechanism, thereby not only facilitating the installation of the engine, but also facilitating the arrangement of the power output system, and having compact structure, simplicity and practicability.
Description
Technical Field
The invention relates to the field of agricultural machinery application, in particular to a power output device for agricultural machinery.
Background
Agricultural machinery power transmission is mainly divided into two major parts: the walking system and the working device. The power of the running system needs to be always jointed, and the working device needs to be controlled by clutch. At present, the hydraulic system is widely applied to agricultural machinery, the agricultural machinery traveling system is usually driven by a closed system hydraulic transmission, the traveling system power is normally connected by installing a hydraulic pump on an engine output shaft, meanwhile, the power is output to a clutch, and the clutch is utilized to manually realize the clutch of the power of a working device.
The existing output mode needs two output shafts of an engine in parallel connection, which is not beneficial to the arrangement of a transmission system of the output shafts of the engine, and the existing power output mode cannot meet the requirements, so that the power output device for the agricultural machinery, which is convenient for the installation of the engine and the arrangement of the power output system, is urgently needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides the power output device for the agricultural machinery, wherein the engine power only needs to be transmitted to the input shaft, and the power output device divides the power into three paths for output, so that the installation of the engine is facilitated, and meanwhile, the arrangement of a power output system is facilitated, and the power output device is compact in structure, simple and practical.
The technical scheme adopted by the invention is as follows: the power output mechanism comprises a bevel gear I, a bevel gear II, a bevel gear III, an output shaft I coaxially arranged with the input shaft, a power output belt pulley connected with the output shaft I, and an output shaft II and an output shaft III symmetrically arranged on two sides of the input shaft and perpendicular to the input shaft;
the connecting disc and the transmission disc hub are sleeved at one end of the input shaft, which is close to the engine, the bevel gear I is arranged at the other end of the input shaft and is respectively meshed with the bevel gear II arranged on the output shaft II and the bevel gear III arranged on the output shaft III, the clutch housing is arranged at one end of the output shaft I, which is close to the power input shaft, an internal spline is arranged in the housing, the friction disc is arranged in a friction disc groove formed by the internal spline, the bevel gear I is externally provided with an external spline, the steel disc is arranged in a steel disc groove formed by the external spline, the friction disc and the steel disc are alternately arranged in the friction disc groove and the steel disc groove, the plunger is positioned in the clutch housing and is sleeved on a shaft head of the output shaft I, a disc spring is arranged between the plunger and the bevel gear I, an oil cavity is formed between the plunger and a housing wall of the clutch housing, and the output shaft I is provided with an oil duct connected with the oil cavity along the axis direction and the oil cavity through a rotary joint connected with the tail of the output shaft I;
the connecting disc is connected with the engine, the driving disc hub is connected with the connecting disc, the engine inputs power to the input shaft through the connecting disc and the driving disc hub, and the input shaft outputs power to the output shaft I, the output shaft II and the output shaft III respectively through a power control mechanism and a bevel gear which are arranged at the tail end of the input shaft.
The gland and the shell are connected with the input shaft through double bearings, and the gland and the shell are connected through bolts and realize axial positioning of the bearings.
As a preferable scheme, the connecting disc is connected with the engine and transmits power to the driving disc hub, the driving disc hub is in spline connection with the input shaft and transmits power to the input shaft, the input shaft is in spline connection with the bevel gear I and transmits power to the output shaft II and the output shaft III through the engagement of the bevel gear II and the bevel gear III, the output shaft II outputs power to the traveling system outwards, and the output shaft III outputs standby power.
The bevel gear I transmits power to the steel sheet through the spline, the oil cavity pushes the plunger through oil pressure acting force, the plunger compresses the disc spring to enable the steel sheet in the bevel gear I to be combined with the friction sheet in the clutch housing, the power is transmitted to the friction sheet through friction force, the friction sheet transmits power to the clutch housing through spline engagement, the power is output to the output shaft I through the clutch housing, power combination between the power input shaft and the output shaft I is completed, and the output shaft I outputs power to a working system through the power output belt pulley.
Preferably, the disc spring is positioned between the plunger and the bevel gear I and is positioned by the baffle plate.
Preferably, the steel sheet and the friction plate are in a normal separation state, and when the oil pressure in the oil cavity is reduced, the plunger is far away from the steel sheet and the friction plate, and the steel sheet and the friction plate are separated.
As the preferable scheme, power take off belt pulley and I parallel key of output shaft connect, I and the I bearing frame of output shaft that is located the inside power take off belt pulley of output shaft pass through double bearing to pass through bolted connection with the casing and fix.
As the preferred scheme, output shaft II on install bevel gear II and output shaft II bearing frame, bevel gear II and I constant mesh of bevel gear to with output shaft II splined connection, transmission power, bevel gear I, the speed ratio of bevel gear II be 1: 1-1:1.5; the bearing seat of the output shaft II is connected with the output shaft II through a double bearing and is fixedly connected with the shell through a bolt.
As a preferable scheme, the output shaft III is provided with a bevel gear III and an output shaft III bearing seat, the bevel gear III is in constant mesh with the bevel gear I and is in spline connection with the output shaft III to transmit power, and the output shaft III bearing seat is connected with the output shaft III through a double bearing and is fixedly connected with the shell through a bolt.
The beneficial effects of the invention are as follows:
the invention provides a power output device for agricultural machinery, wherein engine power only needs to be transmitted to an input shaft, and the power output device divides the power into three paths for output, so that the installation of an engine is facilitated, and meanwhile, the arrangement of a power output system is facilitated, and the power output device is compact in structure, simple and practical and has the advantages that:
(1) The invention is provided with three paths of power which can be simultaneously output, namely an output shaft I, an output shaft II and an output shaft III, wherein the output shaft I realizes the power of a working part, the power can be output to a working system through a power output belt pulley 11 to perform working treatments such as cutting, threshing and peeling, the output shaft II 8 can drive a hydraulic pump, the power input of a walking hydraulic system is convenient, the walking power output is realized, the output shaft III is a reserved power output port, and the power output of other working parts can be performed;
(2) The invention outputs power to a working system through a power control mechanism, an oil cavity 23 pushes a plunger 16 through oil pressure acting force, the plunger 16 compresses a belleville spring 17 to enable a steel sheet 22 to be combined with a friction plate 18, the power is transmitted to the friction plate 18 through friction force, the friction plate 18 transmits the power to a clutch housing 15 through spline engagement, and the power is output to an output shaft I14 through the clutch housing 15, and in the process, the transmitted torque can be improved by increasing the number of the friction plates 18;
(3) According to the invention, the oil cavity 23 is arranged between the plunger 16 and the shell wall of the clutch shell 15, the rotary joint 13 can convey hydraulic oil to the oil cavity 23 through the oil duct 12, the hydraulic oil can be taken from a closed system oil supplementing pump, no additional power source is needed, and the clutch is simple and practical.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate and together with the description serve to explain the invention.
FIG. 1 is a schematic view of a power take-off for an agricultural machine;
reference numerals: 1. the gear comprises a connecting disc, 2, a driving disc hub, 3, an input shaft, 4, a gland, 5, a bevel gear I, 6, a shell, 7, an output shaft II bearing seat, 8, an output shaft II, 9, a bevel gear II, 10, an output shaft I bearing seat, 11, a power output belt pulley, 12, an oil duct, 13, a rotary joint, 14, an output shaft I, 15, a clutch housing, 16, a plunger, 17, a disc spring, 18, a friction plate, 19, an output shaft III, 20, a bevel gear III, 21, an output shaft III bearing seat, 22, a steel sheet, 23 and an oil cavity.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions will be clearly and completely described below with reference to the drawings and the embodiments of the present invention. The following describes the aspects of the invention in detail in connection with specific embodiments:
as an embodiment of the present invention, as shown in the drawings, a power output device for agricultural machinery comprises a power input mechanism, a power control mechanism and a power output mechanism, wherein the power input mechanism comprises a connecting disc 1, a driving disc hub 2 and an input shaft 3, the power control mechanism comprises a clutch housing 15, a plunger 16, a belleville spring 17, a steel sheet 22, a friction plate 18 and an oil cavity 23, and the power output mechanism comprises a bevel gear I5, a bevel gear II 9, a bevel gear III 20, an output shaft I14 coaxially arranged with the input shaft 3, a power output belt pulley 11 connected with the output shaft I14, an output shaft II 8 symmetrically arranged at two sides of the input shaft 3 and perpendicular to the input shaft 3 and an output shaft III 19;
the connecting disc 1 and the transmission disc hub 2 are sleeved at one end of the input shaft 3, which is close to the engine, the bevel gear I5 is arranged at the other end of the input shaft 3 and is meshed with the bevel gear II 9 arranged on the output shaft II 8 and the bevel gear III 20 arranged on the output shaft III 19 respectively, the clutch housing 15 is arranged at one end of the output shaft I14, which is close to the power input shaft 3, an internal spline is arranged in the housing, the friction plate 18 is arranged in a friction plate groove formed by the internal spline, the bevel gear I5 is externally provided with an external spline, the steel plate 22 is arranged in a steel plate groove formed by the external spline, the friction plate 18 and the steel plate 22 are alternately arranged in the friction plate groove and the steel plate groove, the plunger 16 is arranged in the housing of the clutch housing 15 and is sleeved on the shaft head of the output shaft I14, a disc spring 17 is arranged between the plunger 16 and the bevel gear I5, a disc-shaped spring 23 is formed between the plunger 16 and the housing wall of the clutch housing 15, the output shaft I14 is internally provided with a disc-shaped 12 connected with the disc-shaped oil cavity 23 along the axial direction, and the disc-shaped oil cavity is conveyed to the rotary joint 23 through the tail connection of the output shaft I14;
the connecting disc 1 is connected with an engine, the driving disc hub 2 is connected with the connecting disc 1, the engine inputs power to the input shaft 3 through the connecting disc 1 and the driving disc hub 2, and the input shaft 3 outputs the power to the output shaft I14, the output shaft II 8 and the output shaft III 19 through a power control mechanism and a bevel gear which are arranged at the tail end of the input shaft 3.
As a preferable scheme, the input shaft 3 is also provided with a gland 4 and a shell 6, the shell 6 is connected with the input shaft 3 through a double bearing, the gland 4 is connected with the shell 6 through a bolt, and the bearing is axially positioned.
Preferably, the connecting disc 1 is connected with the engine and transmits power to the driving disc hub 2, the driving disc hub 2 is in spline connection with the input shaft 3 and transmits power to the input shaft 3, the input shaft 3 is in spline connection with the bevel gear I5 and transmits power to the output shaft II 8 and the output shaft III 19 through the meshing of the bevel gear II 9 and the bevel gear III 20, the output shaft II 8 outputs power to the traveling system outwards, and the output shaft III 19 outputs standby power.
Preferably, the bevel gear I5 transmits power to the steel sheet 22 through a spline, the oil cavity 23 pushes the plunger 16 through oil pressure acting force, the plunger 16 enables the steel sheet 22 in the bevel gear I5 to be combined with the friction sheet 18 in the clutch housing 15 through the compression belleville spring 17 and transmits power to the friction sheet 18 through friction force, the friction sheet 18 transmits power to the clutch housing 15 through spline engagement and outputs power to the output shaft I14 through the clutch housing 15, and power combination between the power input shaft 3 and the output shaft I14 is completed, and the output shaft I14 outputs power to a working system through the power output belt pulley 11.
Preferably, the belleville spring 17 is positioned between the plunger 16 and the bevel gear I5 and is positioned by a baffle.
Preferably, the steel sheet 22 and the friction plate 18 are in a normal separation state, and when the oil pressure in the oil cavity 23 is reduced, the plunger 16 is far away from the steel sheet 22 and the friction plate 18, and the steel sheet 22 and the friction plate 18 are separated.
Preferably, the power output belt pulley 11 is connected with the output shaft I14 in a flat key manner, and the output shaft I14 is connected with the output shaft I bearing seat 10 positioned in the power output belt pulley 11 through a double bearing and is fixedly connected with the shell 6 through a bolt.
As the preferred scheme, output shaft II 8 on install bevel gear II 9 and output shaft II bearing frame 7, bevel gear II 9 and bevel gear I5 constant mesh to with output shaft II 8 spline connection, transmission power, bevel gear I5, bevel gear II 9's speed ratio be 1: 1-1:1.5; the output shaft II bearing seat 7 is connected with the output shaft II 8 through double bearings and is fixedly connected with the shell 6 through bolts.
As a preferable scheme, the output shaft III 19 is provided with a bevel gear III 20 and an output shaft III bearing seat 21, the bevel gear III 20 is meshed with the bevel gear I5 normally and is connected with the output shaft III 19 through a spline, power is transmitted, and the output shaft III bearing seat 21 is connected with the output shaft III 19 through a double bearing and is fixedly connected with the shell 6 through a bolt.
The invention relates to a power output device for agricultural machinery, which comprises the following three power output processes:
(1) The connection pad 1 is connected with the engine, transmits power to driving disc wheel hub 2 after the engine starts, spline connection between driving disc wheel hub 2 and input shaft 3 to transmit power to input shaft 3, spline connection between input shaft 3 and bevel gear I5, bevel gear II 9, bevel gear III 20 all mesh with bevel gear I5 often, and the speed ratio of bevel gear I5, bevel gear II 9 is 1: 1-1:1.5, and respectively spline-connecting with an output shaft II 8 and an output shaft III 19, and transmitting power to a traveling system, wherein the output shaft III 19 can be used as a standby power output port;
(2) Meanwhile, the bevel gear I5 transmits power to the steel sheet 22 through the spline, the rotary joint 13 transmits hydraulic oil to the oil cavity 23 through the oil duct 22, oil pressure in the oil cavity is increased, the plunger 16 is pushed through oil pressure acting force, the plunger 16 compresses the belleville spring 17 again, the steel sheet 22 in the bevel gear I5 is combined with the friction plate 18 in the clutch housing 15, the steel sheet 22 transmits power to the friction plate 18 through friction force, the friction plate 18 transmits power to the clutch housing 15 through spline engagement, and power is output to the output shaft I14 through the clutch housing 15, and the output shaft I14 outputs power to a working system through the power output belt pulley 11, so that working treatments such as cutting table, threshing and peeling are performed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The power output device for the agricultural machinery comprises a power input mechanism, a power control mechanism and a power output mechanism, and is characterized in that the power input mechanism comprises a connecting disc (1), a driving disc hub (2) and an input shaft (3), the power control mechanism comprises a clutch shell (15), a plunger (16), a belleville spring (17), a steel sheet (22), a friction plate (18) and an oil cavity (23), and the power output mechanism comprises a bevel gear I (5), a bevel gear II (9), a bevel gear III (20), an output shaft I (14) coaxially arranged with the input shaft (3), a power output belt pulley (11) connected with the output shaft I (14), and an output shaft II (8) and an output shaft III (19) symmetrically arranged on two sides of the input shaft (3) and perpendicular to the input shaft (3);
the connecting disc (1) and the transmission disc hub (2) are sleeved at one end of the input shaft (3) close to the engine, the bevel gear I (5) is arranged at the other end of the input shaft (3) and is respectively meshed with the bevel gear II (9) arranged on the output shaft II (8) and the bevel gear III (20) arranged on the output shaft III (19), the clutch housing (15) is arranged at one end of the output shaft I (14) close to the power input shaft (3), an internal spline is arranged in the housing, the friction plate (18) is arranged in a friction plate groove formed by the internal spline, the bevel gear I (5) is externally provided with an external spline, the steel plate (22) is arranged in a steel plate groove formed by the external spline, the friction plate (18) and the steel plate (22) are alternately arranged in the friction plate groove and the steel plate groove, the plunger (16) is arranged in the housing of the clutch housing (15) and is sleeved on the shaft head of the output shaft I (14), a disc spring (17) is arranged between the plunger (16) and the bevel gear I (5), the plunger (16) and the plunger (16) is connected with the oil cavity (23) along the direction of the output shaft (23) in the housing (14), the hydraulic oil is conveyed to the oil cavity (23) through a rotary joint (13) connected to the shaft tail of the output shaft I (14);
the connecting disc (1) is connected with an engine, the driving disc hub (2) is connected with the connecting disc (1), the engine inputs power to the input shaft (3) through the connecting disc (1) and the driving disc hub (2), and the input shaft (3) outputs the power to the output shaft I (14), the output shaft II (8) and the output shaft III (19) respectively through a power control mechanism and a bevel gear which are arranged at the tail end of the input shaft;
the connecting disc (1) is connected with the engine and transmits power to the transmission disc hub (2), the transmission disc hub (2) is in spline connection with the input shaft (3) and transmits power to the input shaft (3), the input shaft (3) is in spline connection with the bevel gear I (5) and transmits power to the output shaft II (8) and the output shaft III (19) through the meshing of the bevel gear II (9) and the bevel gear III (20), the output shaft II (8) outputs power to a traveling system outwards, and the output shaft III (19) outputs standby power; the bevel gear I (5) transmits power to the steel sheet (22) through a spline, the oil cavity (23) pushes the plunger (16) through oil pressure acting force, the plunger (16) enables the steel sheet (22) in the bevel gear I (5) to be combined with the friction sheet (18) in the clutch housing (15) through the compression belleville spring (17) and transmits the power to the friction sheet (18) through friction force, the friction sheet (18) transmits the power to the clutch housing (15) through spline engagement and outputs the power to the output shaft I (14) through the clutch housing (15), and power combination between the power input shaft (3) and the output shaft I (14) is completed, and the output shaft I (14) outputs the power to a working system through the power output belt pulley (11);
the output shaft II (8) on install bevel gear II (9) and output shaft II bearing frame (7), bevel gear II (9) and bevel gear I (5) normal meshing to with output shaft II (8) spline connection, transmission power, bevel gear I (5), bevel gear II (9) speed ratio be 1: 1-1:1.5; the output shaft II bearing seat (7) is connected with the output shaft II (8) through a double bearing and is fixedly connected with the shell (6) through a bolt; the output shaft III (19) is provided with a bevel gear III (20) and an output shaft III bearing seat (21), the bevel gear III (20) is normally meshed with the bevel gear I (5) and is in spline connection with the output shaft III (19) to transmit power, and the output shaft III bearing seat (21) is connected with the output shaft III (19) through a double bearing and is fixedly connected with the shell (6) through a bolt.
2. The power output device for agricultural machinery according to claim 1, wherein the input shaft (3) is further provided with a gland (4) and a housing (6), the housing (6) is connected with the input shaft (3) through a double bearing, and the gland (4) is connected with the housing (6) through a bolt and realizes axial positioning of the bearing.
3. A power take-off for agricultural machinery according to claim 1, characterized in that the belleville springs (17) are located between the plunger (16) and the bevel gear i (5) and are positioned by means of a baffle.
4. A power take-off for agricultural machinery as claimed in claim 1, wherein said steel sheet (22) and friction plate (18) are in a normally separated state, and when the oil pressure in the oil chamber (23) is reduced, the plunger (16) is separated from the steel sheet (22) and friction plate (18), and the steel sheet (22) and friction plate (18) are separated.
5. A power take-off for agricultural machinery according to claim 1, wherein the power take-off pulley (11) is in flat key connection with the output shaft i (14), and the output shaft i (14) is connected with the bearing housing (10) of the output shaft i located inside the power take-off pulley (11) by means of a double bearing and is fixed with the housing (6) by means of a bolt connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099634.0A CN106678309B (en) | 2017-02-23 | 2017-02-23 | Power output device for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099634.0A CN106678309B (en) | 2017-02-23 | 2017-02-23 | Power output device for agricultural machinery |
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| Publication Number | Publication Date |
|---|---|
| CN106678309A CN106678309A (en) | 2017-05-17 |
| CN106678309B true CN106678309B (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099634.0A Active CN106678309B (en) | 2017-02-23 | 2017-02-23 | Power output device for agricultural machinery |
Country Status (1)
| Country | Link |
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| CN (1) | CN106678309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505890B (en) * | 2018-12-26 | 2024-03-08 | 河北宗申戈梅利农业机械制造有限公司 | Power output assembly for engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8621649D0 (en) * | 1985-09-11 | 1986-10-15 | Kubota Ltd | Transmission system |
| EP2182235A1 (en) * | 2008-10-28 | 2010-05-05 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Double clutch with standing pistons and improved engagement bearings |
| CN203063676U (en) * | 2012-09-18 | 2013-07-17 | 湖北亚川汽车齿轮集团有限公司 | Gearbox sandwich-type power taking device of sweeper |
-
2017
- 2017-02-23 CN CN201710099634.0A patent/CN106678309B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8621649D0 (en) * | 1985-09-11 | 1986-10-15 | Kubota Ltd | Transmission system |
| EP2182235A1 (en) * | 2008-10-28 | 2010-05-05 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Double clutch with standing pistons and improved engagement bearings |
| CN203063676U (en) * | 2012-09-18 | 2013-07-17 | 湖北亚川汽车齿轮集团有限公司 | Gearbox sandwich-type power taking device of sweeper |
Non-Patent Citations (1)
| Title |
|---|
| 许亚军 ; .汽车离合器的典型故障原因分析.装备制造技术.2013,(第08期),全文. * |
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