CN107654604B - Agricultural hydraulic walking driving device - Google Patents
Agricultural hydraulic walking driving device Download PDFInfo
- Publication number
- CN107654604B CN107654604B CN201711007308.9A CN201711007308A CN107654604B CN 107654604 B CN107654604 B CN 107654604B CN 201711007308 A CN201711007308 A CN 201711007308A CN 107654604 B CN107654604 B CN 107654604B
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- gear
- brake
- star
- piston
- valve body
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Classifications
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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
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an agricultural hydraulic walking driving device which comprises a valve body, a spring, a control valve core, a shuttle valve core, a valve plate, a cylinder body, a main shaft, a brake piston, a brake spring, a transmission shaft, a three-star gear, a three-star frame, a serial gear, a four-star gear, a three-star frame shaft, a shell, a floating oil seal, a variable piston, a sloping cam plate, a steel ball, a brake block and a paper-based brake block.
Description
Technical Field
The invention relates to the technical field of driving devices, in particular to an agricultural hydraulic walking driving device.
Background
With the development of agricultural modernization, agricultural machinery is increasingly widely used, and the market of the agricultural machinery running gear is mainly based on a mechanical gearbox running gear.
However, the existing agricultural equipment is driven by a bridge differential mechanism, and the agricultural machinery needs to avoid the height of crops in the aspects of cultivation, fertilization, pesticide spraying and the like, so that the bridge differential mechanism cannot meet the cultivation requirements of the crops under the condition.
Therefore, how to design an agricultural hydraulic walking driving device becomes the current problem to be solved.
Disclosure of Invention
The invention aims to provide an agricultural hydraulic walking driving device, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an agricultural hydraulic walking drive device, includes valve body, spring, control valve core, shuttle valve case, valve plate, cylinder body, main shaft, brake piston, brake spring, transmission shaft, samsung gear, samsung frame, tandem gear, samsung frame axle, casing, floating oil blanket, variable piston, sloping cam plate, steel ball, brake block and paper base brake block, one side of valve body is equipped with the spring, spring and valve body pass through screw fixed connection, one end of valve body is equipped with control valve core and shuttle valve case respectively, and control valve core and shuttle valve case are all closely laminated fixedly with the valve body, one side of valve body is equipped with the valve plate, the valve plate welds with the valve body, one side of valve plate is equipped with the cylinder body, the cylinder body communicates with the valve plate, bottom one side of cylinder body is equipped with the main shaft, main shaft and cylinder body pass through screw swing joint, one side of cylinder body is equipped with the brake piston, and the brake piston embedding sets up in the cylinder body, one side of brake piston is equipped with brake spring, brake piston and brake spring welding;
the novel hydraulic brake is characterized in that a transmission shaft is arranged at one end of the main shaft and is movably connected with the main shaft, a three-star gear and a three-star frame are arranged on one side of the valve body, the three-star gear and the three-star frame are fixedly connected through a three-star frame shaft arranged on one side of the three-star gear, a serial gear is arranged on one side of the three-star frame and meshed with the three-star frame, a serial gear is meshed with a four-star gear arranged on one side of the bottom of the serial gear, the four-star gear is fixedly connected with a shell arranged on one side of the four-star gear through a screw, a floating oil seal is arranged on one side of the shell, the floating oil seal is adhered with the shell through strong adhesive, a variable piston is arranged in the shell, the variable piston is embedded in the shell, a swash plate is arranged at the top of the variable piston, steel balls are arranged on one side of the shell and the inner sides of the swash plate, the steel balls are embedded in the shell and the swash plate, and a paper-based brake block and a brake block are arranged at the bottom of the brake piston and the brake block are movably connected with the piston.
Further, a gear ring is arranged on one side of the four-star gear, and the gear ring is meshed with the four-star gear.
Further, one side of the spring is provided with a plug, and the plug is clamped with the spring.
Further, a nut is arranged on one side of the gear ring, and the nut is in threaded connection with the gear ring.
Further, a fixed block is arranged on one side of the valve body, and the fixed block is fixedly connected with the valve body through a screw.
Compared with the prior art, the invention has the beneficial effects that: this kind of agricultural hydraulic pressure walking drive arrangement, realize higher power density with motor and reduction gear integration together at traditional agricultural hydraulic pressure walking drive arrangement's basis, the output moment of torsion is great, and have higher walking speed, the operating efficiency of equipment has been improved, and have great moment of torsion output, realize accomplishing the minimum intensive design that realizes the product with the structure of product moreover, the product can not produce the instability of parking braking because of inside pressure variation simultaneously, guaranteed the reliability of variable, this drive arrangement mainly adopts hydrostatic drive, compact structure and regular density are higher.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of the swash plate of the present invention;
FIG. 3 is a top cross-sectional view of the present invention;
fig. 4 is a cross-sectional view of a port plate of the present invention;
FIG. 5 is a side cross-sectional view of the present invention;
in the figure: 1-a valve body; 2-a fixed block; 3-plugging; 4-a spring; 5-controlling the valve core; 6-a shuttle valve core; 7-a port plate; 8-a cylinder; 9-a main shaft; 10-braking a piston; 11-a brake spring; 12-a transmission shaft; 13-three star gears; 14-three star frames; 15-three star frame shafts; 16-a tandem gear; 17-four star gears; 18-a gear ring; 19-a housing; 20-nut; 21-floating oil seal; 22-variable piston; 23-swash plate; 24-steel ball; 25-a brake pad; 26-paper-based brake pad.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the agricultural hydraulic walking driving device comprises a valve body 1, a spring 4, a control valve core 5, a shuttle valve core 6, a valve plate 7, a cylinder body 8, a main shaft 9, a brake piston 10, a brake spring 11, a transmission shaft 12, a three-star gear 13, a three-star frame 14, a serial gear 16, a four-star gear 17, a three-star frame shaft 15, a shell 19, a floating oil seal 21, a variable piston 22, a swash plate 23, a steel ball 24, a brake pad 25 and a paper-based brake pad 26, wherein one side of the valve body 1 is provided with the spring 4, the spring 4 is fixedly connected with the valve body 1 through screws, one end of the valve body 1 is respectively provided with the control valve core 5 and the shuttle valve core 6, the control valve core 5 and the shuttle valve core 6 are tightly attached and fixed with the valve body 1, one side of the valve body 1 is provided with the valve plate 7, the valve plate 7 is welded with the valve body 1, one side of the valve plate 7 is provided with the cylinder body 8, one side of the cylinder body 8 is communicated with the valve plate 7, one side of the bottom of the cylinder 8 is provided with the main shaft 9, the main shaft 9 is movably connected with the cylinder 8 through screws, one side of the cylinder 8 is provided with the brake piston 10, and the brake piston 10 is embedded in the brake piston 11 is welded with the brake piston 11;
one end of the main shaft 9 is provided with a transmission shaft 12, the transmission shaft 12 is movably connected with the main shaft 9, one side of the valve body 1 is provided with a three-star gear 13 and a three-star frame 14, the three-star gear 13 and the three-star frame 14 are fixedly connected through a three-star frame shaft 15 arranged on one side of the three-star gear 13, one side of the three-star frame 14 is provided with a serial gear 16, the serial gear 16 is meshed with the three-star frame 14, the serial gear 16 is meshed with a four-star gear 17 arranged on one side of the bottom of the serial gear 16, the four-star gear 17 is fixedly connected with a shell 19 arranged on one side of the four-star gear 17 through screws, one side of the shell 19 is provided with a floating oil seal 21, the floating oil seal 21 and the shell 19 are glued through a strong adhesive, a variable piston 22 is arranged in the shell 19, the variable piston 22 is embedded and arranged in the shell 19, the top of the variable piston 22 is provided with a swash plate 23, the swash plate 23 is movably connected with the variable piston 22, one side of the inner parts of the shell 19 and the swash plate 23 is provided with a steel ball 24, the steel ball 24 is embedded and arranged in the shell 19 and the swash plate 23, a paper-based brake pad 26 and a brake pad 25 are arranged at the bottom of the brake piston 10, and the paper-based brake pad 26 and the brake pad 25 are movably connected with the brake piston 10.
Further, a gear ring 18 is provided on one side of the four-star gear 17, the gear ring 18 is meshed with the four-star gear 17, and torque can be conveniently output by meshing the gear ring 18 with the four-star gear 17.
Further, one side of the spring 4 is provided with a plug 3, the plug 3 is clamped with the spring 4, and the plug 3 plays a role in clamping and fixing the spring 4.
Further, a nut 20 is disposed on one side of the gear ring 18, the nut 20 is in threaded connection with the gear ring 18, and the gear ring 18 is conveniently fixed by disposing the nut 20.
Further, one side of the valve body 1 is provided with a fixed block 2, the fixed block 2 is fixedly connected with the valve body 1 through screws, and the fixed block 2 can play a fixed role on the valve body 1.
Working principle: firstly, hydraulic oil enters through an internal oil passage A of a valve body 1, passes through a distributing groove of a distributing disc 7 from the A port to reach a cylinder body 8, generates rotating torque under the action of hydraulic force, the cylinder body 8 is connected with a main shaft 9 in a spline mode, the main shaft 9 rotates together with the cylinder body 8 to generate torque, hydraulic oil reaches a low pressure side through the rotating cylinder body 8 and is discharged from a B port of the valve body 1, the valve body 1 adopts a straight-through connection mode without any middle position function control, a brake piston 10 is arranged on the outer side of the cylinder body 8, a brake spring 11 is arranged on the brake piston 10, a sealing ring is arranged on the outer side of the brake piston 10, a paper-based brake pad 26 and a brake pad 25 are alternately arranged at the lower end of the brake piston 10, a space ring is arranged at the lower end of the brake pad 25, and the main shaft 9, the paper-based brake pad 26 and the brake piston 10 are respectively arranged in an inner cavity of a shell 19, the other section of the main shaft 9 is connected with a bearing, the other end of the main shaft 9 is connected with a transmission shaft 12 in the form of an internal spline, torque of the main shaft 9 is transmitted to the other end of the transmission shaft 12, a threaded hole is arranged at the large end of the transmission shaft 12, a large screw plug is arranged at the center of an end cover, the screw plug 3 can pull the transmission shaft 12 out of the hole, the phenomenon that a machine cannot be moved due to failure and the like is avoided, a three-star gear 13 and a three-star frame 14 are fixed on the three-star frame 14 through a three-star frame shaft 15 and screws, the three-star frame 14 is meshed with a serial gear 16, the serial gear 16 and the three-star frame 14 rotate together at the same rotating speed, the serial gear 16 is meshed with a four-star gear 17, the four-star gear 17 is fixed on four columns of a shell 19 and rotates around the four columns, the four-star gear 17 transmits torque to a gear ring gear 18, the torque is output through a flange of the gear ring gear 18, two bearings are arranged in an inner hole of a gear ring 18, the bearings play a limiting role through clamp springs, a nut 20 is arranged at the other end of each bearing, the nut 20 fixes the bearings on a shell 19, the shell 19 is arranged in the inner hole of each bearing, a floating oil seal 21 is arranged at the lower end of a flange of the shell 19, the gear ring 18 and the shell 19 are prevented from oil leakage, meanwhile, a plug 3 and O-shaped rings are respectively arranged at two ends of a part A and a part B of a valve body 1 to play a sealing role, a control valve core 5 is designed at the lower end of the valve body 1, the control valve core 5 and the valve body 1 together form a two-position four-way control valve, a plug 3 is arranged at a non-hole section of the valve core, an oil way is arranged in an inner cavity of the valve body 1 to be communicated with an external oil way and controlled by external hydraulic oil, a spring hole is arranged at the other end of the valve core, and a spring 4 is arranged in the valve core, the function of the spring 4 realizes the reset of the valve core, the other end of the spring 4 is provided with a plug 3 for limiting, the bottommost end of the valve body 1 is provided with a shuttle valve core 6, two working positions, the connecting section of the valve body 1 is respectively provided with three oil channels which are respectively and indirectly connected with an A port, an oil return port and a B port, as the valve body 1 is provided with a small hole which is connected with a middle hole and is connected with a deep hole of the shell 19, the hole is directly communicated with a piston hole of the shell 19, a variable piston 22 is arranged in the hole, the upper end of the variable piston 22 is provided with an arc-shaped structure, the variable piston 22 moves upwards to push a swash plate 23 when hydraulic pressure is applied, the other end of the swash plate 23 is provided with two ball sockets, the steel balls 24 are respectively and simultaneously placed in the ball sockets of the shell 19 and the swash plate 23 for realizing the function of hinged connection, an oil port is arranged on the P surface of the valve body 1 and is connected with external pressure oil, the oil port reaches a piston cavity formed by the brake piston 10 and the shell 19 through an oil duct of the valve body 1 and an oil duct of the shell 19, when the pressure oil exists, the oil port moves towards the valve body 1, so that the paper-based brake pad 26 and the brake pad 25 are separated, release of braking is realized, when the pressure is canceled, the brake piston 10 is pressed against the paper-based brake pad 26 and the brake pad 25 through acting force of the brake spring 11, the braking process is realized, and the parking braking of the whole vehicle is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an agricultural hydraulic pressure walking drive arrangement, including valve body (1), spring (4), control case (5), shuttle valve case (6), valve plate (7), cylinder body (8), main shaft (9), brake piston (10), brake spring (11), transmission shaft (12), three star gear (13), three star frame (14), tandem gear (16), four star gear (17), three star frame axle (15), casing (19), floating oil blanket (21), variable piston (22), sloping cam plate (23), steel ball (24), brake block (25) and paper base brake block (26), its characterized in that: a spring (4) is arranged on one side of the valve body (1), the spring (4) is fixedly connected with the valve body (1) through a screw, a control valve core (5) and a shuttle valve core (6) are respectively arranged at one end of the valve body (1), the control valve core (5) and the shuttle valve core (6) are tightly attached and fixed with the valve body (1), a valve plate (7) is arranged on one side of the valve body (1), the valve plate (7) is welded with the valve body (1), a cylinder body (8) is arranged on one side of the valve plate (7), the cylinder body (8) is communicated with the valve plate (7), a main shaft (9) is arranged on one side of the bottom of the cylinder body (8), the main shaft (9) is movably connected with the cylinder body (8) through a screw, a brake piston (10) is arranged on one side of the cylinder body (8), the brake piston (10) is embedded and arranged in the cylinder body (8), a brake spring (11) is arranged on one side of the brake piston (10), and the brake piston (10) is welded with the brake spring (11);
one end of the main shaft (9) is provided with a transmission shaft (12), the transmission shaft (12) is movably connected with the main shaft (9), one side of the valve body (1) is provided with a three-star gear (13) and a three-star frame (14), the three-star gear (13) is fixedly connected with the three-star frame (14) through a three-star frame shaft (15) arranged on one side of the three-star gear (13), one side of the three-star frame (14) is provided with a serial gear (16), the serial gear (16) is meshed with the three-star frame (14), the serial gear (16) is meshed with a four-star gear (17) arranged on one side of the bottom of the serial gear (16), the four-star gear (17) is fixedly connected with a shell (19) arranged on one side of the four-star gear (17) through a screw, one side of the shell (19) is provided with a floating oil seal (21), the floating oil seal (21) is adhered with the shell (19) through a powerful adhesive, the inside of the shell (19) is provided with a variable piston (22), the variable piston (22) is embedded in the shell (19), the variable piston (22) is meshed with the variable piston (22), the variable piston (22) is embedded in the shell (19), the variable piston (22) is provided with a swash plate (23), and the variable piston (23) is connected with the top part (23), the steel balls (24) are embedded into the shell (19) and the swash plate (23), a paper-based brake pad (26) and a brake pad (25) are arranged at the bottom of the brake piston (10), and the paper-based brake pad (26) and the brake pad (25) are movably connected with the brake piston (10);
a gear ring (18) is arranged on one side of the four-star gear (17), and the gear ring (18) is meshed with the four-star gear (17);
one side of the spring (4) is provided with a plug (3), and the plug (3) is clamped with the spring (4).
2. An agricultural hydraulic travel drive according to claim 1, characterized in that: one side of the gear ring (18) is provided with a nut (20), and the nut (20) is in threaded connection with the gear ring (18).
3. An agricultural hydraulic travel drive according to claim 1, characterized in that: one side of the valve body (1) is provided with a fixed block (2), and the fixed block (2) is fixedly connected with the valve body (1) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007308.9A CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711007308.9A CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654604A CN107654604A (en) | 2018-02-02 |
| CN107654604B true CN107654604B (en) | 2023-08-11 |
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ID=61118243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711007308.9A Active CN107654604B (en) | 2017-12-11 | 2017-12-11 | Agricultural hydraulic walking driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654604B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361344A (en) * | 2018-04-17 | 2018-08-03 | 青岛力克川液压机械有限公司 | A kind of cam-type axial piston hydraulic motor driving slewing equipment |
| CN115875225A (en) * | 2022-10-18 | 2023-03-31 | 青岛力克川液压机械有限公司 | Piston variable mechanism of swash plate plunger pump and motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177931A (en) * | 1995-12-27 | 1997-07-11 | Nabco Ltd | Crawler driving unit |
| US6122996A (en) * | 1998-11-20 | 2000-09-26 | Hydro-Gear Limited Partnership | Hydrostatic transmission |
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN102287495A (en) * | 2011-05-31 | 2011-12-21 | 康少松 | Planet gear-orbiting reducer with two transmission ratios |
| CN106051068A (en) * | 2016-07-22 | 2016-10-26 | 青岛力克川液压机械有限公司 | Agricultural machinery caterpillar band hydraulic drive device |
-
2017
- 2017-12-11 CN CN201711007308.9A patent/CN107654604B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177931A (en) * | 1995-12-27 | 1997-07-11 | Nabco Ltd | Crawler driving unit |
| US6122996A (en) * | 1998-11-20 | 2000-09-26 | Hydro-Gear Limited Partnership | Hydrostatic transmission |
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
| CN102287495A (en) * | 2011-05-31 | 2011-12-21 | 康少松 | Planet gear-orbiting reducer with two transmission ratios |
| CN106051068A (en) * | 2016-07-22 | 2016-10-26 | 青岛力克川液压机械有限公司 | Agricultural machinery caterpillar band hydraulic drive device |
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| Publication number | Publication date |
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| CN107654604A (en) | 2018-02-02 |
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