CN103277242A - Hand-operated stepless variable plunger hydraulic motor - Google Patents
Hand-operated stepless variable plunger hydraulic motor Download PDFInfo
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- CN103277242A CN103277242A CN2013101322101A CN201310132210A CN103277242A CN 103277242 A CN103277242 A CN 103277242A CN 2013101322101 A CN2013101322101 A CN 2013101322101A CN 201310132210 A CN201310132210 A CN 201310132210A CN 103277242 A CN103277242 A CN 103277242A
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Abstract
The invention discloses a hand-operated stepless variable plunger hydraulic motor. The hand-operated stepless variable plunger hydraulic motor comprises a cylinder body, a plunger, piston shoes, a transmission shaft, a cylindrical shell, and a swash plate and an oil feeding plate oppositely arranged at two ends of the cylinder body. The oil feeding plate is fixedly connected to a cylindrical opening of the cylindrical shell by screws. Two ends of the transmission shaft are rollingly supported respectively on the cylindrical bottom of the cylindrical shell and the oil feeding plate. A motor variable adjustment mechanism arranged at the cylindrical bottom of the cylindrical shell comprises a hand wheel, a variable plunger, a variable screw, locating pins and a variable indicating dial. An indicating dial installation chamber is arranged on the cylindrical bottom of the cylindrical shell. Inner and outer two sides of the indicating dial installation chamber are provided respectively with a variable plunger installation hole and a screw connection screw-hole. An inner end of the variable plunger presses against the swash plate and an outer end of the variable plunger stretched into the indicating dial installation chamber. An inner end of the variable screw presses against an outer end of the variable plunger and an outer end of the variable screw is fixedly connected to the hand wheel. An inner end of the variable indicating dial is put into the indicating dial installation chamber and an outer end of the variable indicating dial is provided with a pointer. A plant spacing dial is fixedly arranged on the cylindrical shell. The locating pins are inserted into locating holes and upper and lower ends of the locating pins are inserted respectively into a stirring groove and a guiding limiting groove.
Description
Technical field
The invention belongs to hydraulic transmission technology field, especially relate to a kind of for the manual variable piston formula oil hydraulic motor on the rice transplanting mechanism of transplanter.
Background technique
Axial piston motor is widely used in the harsh hydraulic system of operating modes such as engineering machinery, engineering vehicle, farm machinery.The axial plunger variable motor of for example in the rice transplanting mechanism of transplanter, using.But applied variable displacement motor on the present transplanter rice transplanting mechanism, its variable mode have influenced the adaptability of transplanter to operational area and spacing in the rows variation for a grade variable is arranged.
Summary of the invention
Main goal of the invention of the present invention provides a kind of transplanter that can effectively improve to the adaptive variable piston formula oil hydraulic motor of operational area and spacing in the rows variation.
The used technological scheme of the present invention is: a kind of manual stepless variable plunger hydraulic motor, comprise cylinder body, shell, plunger, swash plate, logical food tray, piston shoes and transmission shaft, described shell is a cylindrical outer casing, the nozzle end screw of logical food tray and shell is connected and seals cylinder body, piston shoes, swash plate in the tube chamber of shell, one end of transmission shaft rolls and is supported at the end of shell, the other end rolling of transmission shaft is supported on the logical food tray and passes logical food tray, the relative two ends that are divided into cylinder body with logical food tray of swash plate; The tube end of described shell, also be provided with motor variable regulating mechanism; Described motor variable regulating mechanism is the handwheel regulating mechanism, comprises handwheel, variable piston, variable screw rod, locating stud and variable indicator panel; The tube end of shell, be provided with the indicator panel installation cavity of cylinder hole shape, its inside and outside both sides coaxial variable piston attachment hole that communicates with the indicator panel installation cavity that is provided with respectively are connected screw with screw rod, the inner end of variable piston and swash plate are against linking to each other, the outer end sealed sliding of variable piston is passed the variable piston attachment hole movingly and is stretched in the indicator panel installation cavity, the inner end of variable screw rod is passed screw rod and is connected screw and variable piston outer end against linking to each other, and the outer end of handwheel and variable screw rod is connected; The inner of variable indicator panel places in the indicator panel installation cavity with being rotatably assorted, and its outer end is installed with pointer, correspondingly is installed with the spacing in the rows dial on the shell; Locating stud is plugged on the positioning pin hole of being located at the variable piston outer end, in its guide and limit groove on up and down two ends are plugged at the bottom of the stirring groove and being located at indicator panel installation cavity chamber of the inner of being located at the variable indicator panel respectively movingly, the symmetry plane of guide and limit groove is parallel with the axis of indicator panel installation cavity, and vertical pivotal axis cross section of transmission shaft coplanar.
The rice transplanting spacing in the rows of transplanter, usually relevant with planting season with sowing area, crop species, the discharge capacity of oil hydraulic motor that can be by the work of adjusting driving rice transplanting mechanism be regulated.Be subjected to the constraint of guide and limit groove, when locating stud moves with the variable plunger, its axis is mobile in a plane parallel with the axis of variable indicator panel, move the upper end of locating stud then stirring in the groove on the variable indicator panel, the symmetry plane of stirring groove is also parallel with the axis of variable indicator panel, will promote the variable indicator panel when locating stud moves and rotate around the axis of oneself.During work, if clockwise rotate handwheel, the variable screw rod moves to the motor internal direction, promotes the variable piston and moves to the motor internal direction, and variable piston pushing tow swash plate rotates, and the swash plate operating angle is diminished, and motor displacement diminishes.On the contrary, as rotate counterclockwise handwheel, the variable screw rod moves to the motor outside direction, and variable piston moves to the motor outside direction under the effect of swash plate impacting force, and it is big that the swash plate operating angle becomes, and it is big that motor displacement becomes.When variable piston moved, locating stud was followed movement, promoted the variable indicator panel and did corresponding rotation around the axis of oneself, and the variable indicator panel drives described pointer again and does corresponding rotation.The variable screw rod of handwheel regulating mechanism described here is connected the screw fine thread and connects with described screw rod, self-locking performance is good.Certainly be preferably the handwheel regulating mechanism of band self-locking structure.The present invention can carry out stepless manual tune to described oil hydraulic motor, and regulating the result can be by described spacing in the rows dial intuitively as seen.Therefore, utilize the present invention, can improve the adaptability that transplanter changes operational area and spacing in the rows greatly, and easy and simple to handle, directly perceived, reliable, can improve the market competitiveness of transplanter greatly.
As preferably, also it also comprises a planet reduction gears mechanism in the present invention, the outer end bolt structure of the inner of the shell of described planetary gear reducing mechanism and logical food tray is connected, the output terminal of transmission shaft becomes the central gear of planetary gear reducing mechanism for the external gear structure that links to each other with the planet wheel transmission of planetary gear reducing mechanism, and the output shaft of planetary gear reducing mechanism constitutes hydraulic motor output shaft.This preferred version can improve regulation range greatly, and compact structure, reliable operation, efficient height.
As preferably, the shell of planetary gear reducing mechanism is made of outer cover body and end cap, be used for after the respective through hole on logical food tray and screw bolt passes end cap, outer cover body and the logical food tray that shell is connected again with shell on fastening linking to each other of screw.Further, the two ends of transmission shaft adopt the deep groove ball bearing rolling to be supported on respectively at the tube end and logical food tray of shell; The output shaft of planetary gear reducing mechanism adopts two deep groove ball bearings to roll and is supported on the shell of planetary gear reducing mechanism.This preferred version, rational in infrastructure, reliable operation, the connection of planetary gear reducing mechanism and motor is easy.
As preferably, the variable screw rod also is provided with locking nut on the outer end.This preferred version is applicable to that operational area and rice transplanting spacing in the rows can determine constant place for a long time, is conducive to improve the functional reliability of transplanter.
In sum, the beneficial effect that the present invention brings is: the discharge capacity of oil hydraulic motor can be carried out stepless adjustment, and it is intuitively easy to adjust operation, can improve transplanter effectively to the adaptability of operational area and spacing in the rows variation.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the plan view of Fig. 1.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
As depicted in figs. 1 and 2, the present invention includes cylinder body 1, shell 2, plunger 3, swash plate 4, logical food tray 5, piston shoes 6 and transmission shaft 7, described shell 2 is a cylindrical housing, the nozzle end screw of logical food tray 5 and shell 2 is connected and seals cylinder body 1, piston shoes 6, swash plate 4 is in the tube chamber of shell 2, one end of transmission shaft 7 adopts deep groove ball bearing to roll and is supported in the tube of shell 7 at the end, the other end of transmission shaft 7 adopts deep groove ball bearing to roll and is supported on the logical food tray 5 and passes and leads to food tray 5, the relative two ends that are divided into cylinder body 1 with logical food tray of swash plate 4, described swash plate 4 adopt the steel ball position structure that comprises two locking balls 10 to position (specific structural details because be that known technology is not given unnecessary details at this); The tube end of described shell 2, also be provided with motor variable regulating mechanism 8; Described motor variable regulating mechanism 8 is the handwheel regulating mechanism, comprises handwheel 8.1, variable piston 8.2, variable screw rod 8.3, locating stud 8.5 and variable indicator panel 8.4; The tube end of shell 2, be provided with the indicator panel installation cavity 2.1 of cylinder hole shape, its inside and outside both sides coaxial variable piston attachment hole that communicates with indicator panel installation cavity 2.1 that is provided with respectively are connected screw with screw rod, the inner end of variable piston 8.2 and swash plate 4 are against linking to each other, the outer end sealed sliding of variable piston 8.2 is passed the variable piston attachment hole movingly and is stretched in the indicator panel installation cavity, the inner end of variable screw rod 8.3 is passed screw rod and is connected screw and variable piston 8.2 outer ends against linking to each other, and the outer end of handwheel 8.1 and variable screw rod 8.3 is connected; The inner of variable indicator panel 8.4 places in the indicator panel installation cavity with being rotatably assorted, and its outer end is installed with pointer 8.4.1, correspondingly is installed with spacing in the rows dial 2.2 on the shell 2; Locating stud 8.5 is plugged on the positioning pin hole of being located at variable piston 8.2 outer ends, it is plugged on respectively in the guide and limit groove 2.1.1 on being located at the bottom of the stirring groove 8.4.2 and be located at indicator panel installation cavity chamber of variable indicator panel 8.4 the inners at two ends up and down movingly, the symmetry plane of guide and limit groove 2.1.1 is parallel with the axis of indicator panel installation cavity, and is coplanar with vertical pivotal axis cross section of transmission shaft 7;
As preferably, the present invention also comprises a planet reduction gears mechanism 9, the outer end bolt structure of the inner of the shell of described planetary gear reducing mechanism 9 and logical food tray 5 is connected, the output terminal of transmission shaft 7 becomes the central gear of planetary gear reducing mechanism for the external gear structure that links to each other with the planet wheel transmission of planetary gear reducing mechanism, and the output shaft 9.1 of planetary gear reducing mechanism 9 constitutes hydraulic motor output shaft.Present embodiment, the shell of planetary gear reducing mechanism is made of outer cover body 9.2 and end cap 9.3, be used for after the respective through hole on logical food tray 5 and screw bolt passes end cap 9.3, outer cover body 9.2 and the logical food tray 5 that shell 2 is connected again with shell 2 on fastening linking to each other of screw; The output shaft 9.1 of planetary gear reducing mechanism 9 adopts two deep groove ball bearings to roll and is supported on the shell of planetary gear reducing mechanism 9;
As preferably, the variable screw rod can add locking nut 8.6 on 8.3 outer ends, is used for locking more reliably and adjusts the result, is particularly useful for using under operational area and rice transplanting spacing in the rows can be determined situation when constant for a long time.
The specific embodiment of the above only is preferred implementation of the present invention, is not to limit concrete practical range of the present invention with this.The equivalence that all shapes according to the present invention, structure are done changes and ought to all be included in protection scope of the present invention.
Claims (6)
1. manual stepless variable plunger hydraulic motor, comprise cylinder body (1), shell (2), plunger (3), swash plate (4), logical food tray (5), piston shoes (6) and transmission shaft (7), it is characterized in that: described shell (2) is a cylindrical outer casing, the nozzle end screw of logical food tray (5) and shell (2) is connected and seals cylinder body (1), piston shoes (6), swash plate (4) is in the tube chamber of shell (2), one end of transmission shaft (7) rolls and is supported at the end of shell (7), the other end of transmission shaft (7) rolls and is supported on logical food tray (5) upward and passes logical food tray (5), the relative two ends that are divided into cylinder body (1) with logical food tray of swash plate (4); The tube end of described shell (2), also be provided with motor variable regulating mechanism (8); Described motor variable regulating mechanism (8) is the handwheel regulating mechanism, comprises handwheel (8.1), variable piston (8.2), variable screw rod (8.3), locating stud (8.5) and variable indicator panel (8.4); The tube end of shell (2), be provided with the indicator panel installation cavity (2.1) of cylinder hole shape, its inside and outside both sides coaxial variable piston attachment hole that communicates with indicator panel installation cavity (2.1) that is provided with respectively are connected screw with screw rod, the inner end of variable piston (8.2) and swash plate (4) are against linking to each other, the outer end sealed sliding of variable piston (8.2) is passed the variable piston attachment hole movingly and is stretched in the indicator panel installation cavity, the inner end of variable screw rod (8.3) is passed screw rod and is connected screw and variable piston (8.2) outer end against linking to each other, and the outer end of handwheel (8.1) and variable screw rod (8.3) is connected; The inner of variable indicator panel (8.4) places in the indicator panel installation cavity with being rotatably assorted, and its outer end is installed with pointer (8.4.1), correspondingly is installed with spacing in the rows dial (2.2) on the shell (2); Locating stud (8.5) is plugged on the positioning pin hole of being located at variable piston (8.2) outer end, its up and down two ends be plugged on movingly respectively be located at variable indicator panel (8.4) inner stir groove (8.4.2) and be located at indicator panel installation cavity chamber at the bottom of on guide and limit groove (2.1.1) lining, the symmetry plane of guide and limit groove (2.1.1) is parallel with the axis of indicator panel installation cavity, and is coplanar with vertical pivotal axis cross section of transmission shaft (7).
2. manual stepless variable plunger hydraulic motor according to claim 1, it is characterized in that: further comprising a planet reduction gears mechanism (9), the outer end bolt structure of the inner of the shell of described planetary gear reducing mechanism (9) and logical food tray (5) is connected, the output terminal of transmission shaft (7) becomes the central gear of planetary gear reducing mechanism for the external gear structure that links to each other with the planet wheel transmission of planetary gear reducing mechanism, and the output shaft (9.1) of planetary gear reducing mechanism (9) constitutes hydraulic motor output shaft.
3. manual stepless variable plunger hydraulic motor according to claim 2, it is characterized in that: the shell of planetary gear reducing mechanism is made of outer cover body (9.2) and end cap (9.3), be used for after the respective through hole on logical food tray (5) and screw bolt passes end cap (9.3), outer cover body (9.2) and the logical food tray (5) that shell (2) is connected again with shell (2) on fastening linking to each other of screw.
4. according to claim 1 or 2 or 3 described manual stepless variable plunger hydraulic motors, it is characterized in that: the two ends of transmission shaft (7) are adopted deep groove ball bearing to roll respectively and are supported at the tube end and logical food tray (5) of shell (7).
5. according to claim 2 or 3 described manual stepless variable plunger hydraulic motors, it is characterized in that: the output shaft (9.1) of planetary gear reducing mechanism (9) adopts two deep groove ball bearings to roll and is supported on the shell of planetary gear reducing mechanism (9).
6. according to claim 1 or 2 or 3 described manual stepless variable plunger hydraulic motors, it is characterized in that: variable screw rod (8.3) also is provided with locking nut (8.6) on the outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132210.1A CN103277242B (en) | 2013-04-16 | 2013-04-16 | Hand-operated stepless variable plunger hydraulic motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310132210.1A CN103277242B (en) | 2013-04-16 | 2013-04-16 | Hand-operated stepless variable plunger hydraulic motor |
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| Publication Number | Publication Date |
|---|---|
| CN103277242A true CN103277242A (en) | 2013-09-04 |
| CN103277242B CN103277242B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310132210.1A Active CN103277242B (en) | 2013-04-16 | 2013-04-16 | Hand-operated stepless variable plunger hydraulic motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| CN101839208A (en) * | 2009-03-16 | 2010-09-22 | 马广奇 | Hydraulic motor-driving generator device |
| CN102718161A (en) * | 2011-03-24 | 2012-10-10 | 意宁液压股份有限公司 | Hydraulic winch |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
-
2013
- 2013-04-16 CN CN201310132210.1A patent/CN103277242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020045510A1 (en) * | 2000-06-22 | 2002-04-18 | Horst Damm | Wheel drive with integrated dynamic service brake |
| CN101839208A (en) * | 2009-03-16 | 2010-09-22 | 马广奇 | Hydraulic motor-driving generator device |
| CN102718161A (en) * | 2011-03-24 | 2012-10-10 | 意宁液压股份有限公司 | Hydraulic winch |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
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| Publication number | Publication date |
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| CN103277242B (en) | 2015-06-10 |
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