CN103277242B - Hand-operated stepless variable plunger hydraulic motor - Google Patents
Hand-operated stepless variable plunger hydraulic motor Download PDFInfo
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- CN103277242B CN103277242B CN201310132210.1A CN201310132210A CN103277242B CN 103277242 B CN103277242 B CN 103277242B CN 201310132210 A CN201310132210 A CN 201310132210A CN 103277242 B CN103277242 B CN 103277242B
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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 manual variable piston formula oil hydraulic motor on the rice transplanting mechanism of transplanter.
Background technique
Axial piston motor is widely used in the harsher hydraulic system of the operating modes such as engineering machinery, engineering vehicle, farm machinery.The axial plunger variable motor such as applied in the rice transplanting mechanism of transplanter.But the variable displacement motor now transplanter rice transplanting mechanism applied, its variable mode, for there being a grade variable, have impact on the adaptability that transplanter changes operational area and spacing in the rows.
Summary of the invention
Main inventive object of the present invention is to provide a kind of adaptive variable piston formula oil hydraulic motor that effectively can improve transplanter and change operational area and spacing in the rows.
The present invention's technological scheme used 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 cylinder chamber of shell, one end rolling support of transmission shaft at the bottom of the cylinder of shell on, the other end rolling support of transmission shaft also passes logical food tray, the swash plate two ends that are divided into cylinder body relative to logical food tray on logical food tray; Motor variable regulating mechanism is also provided with at the bottom of the cylinder of described shell; Described motor variable regulating mechanism is handwheel regulating mechanism, comprises handwheel, variable piston, variable screw rod, locating stud and variable indicator panel; The indicator panel installation cavity of cylinder hole shape is provided with at the bottom of the cylinder of shell, inside and outside it, both sides are coaxially provided with the variable piston attachment hole and screw rod connecting screw hole that communicate with indicator panel installation cavity respectively, the inner end of variable piston with swash plate against being connected, the outer end sealing of variable piston is stretched in indicator panel installation cavity through variable piston attachment hole with being slidably matched, screw rod connecting screw hole is passed with variable piston outer end against being connected in the inner end of variable screw rod, and the outer end of handwheel and variable screw rod is connected; The inner ends thereof of variable indicator panel is placed in indicator panel installation cavity ordinatedly, and its outer end is installed with pointer, correspondingly shell is installed with spacing in the rows dial; Locating stud be plugged on be located at variable piston outer end positioning pin hole on, what its upper and lower two ends were plugged on the inner being located at variable indicator panel respectively movingly stirring groove and being located at the bottom of indicator panel installation cavity chamber in guide and limit groove, the symmetry plane of guide and limit groove and the axis being parallel of indicator panel installation cavity, and longitudinal 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 by the oil hydraulic motor regulating the work of driving rice transplanting mechanism regulates.By the constraint of guide and limit groove, when locating stud moves with variable piston, its axis moves in one with the plane of the axis being parallel of variable indicator panel, upper end the stirring in groove then on variable indicator panel of locating stud is moved, the symmetry plane stirring groove also with the axis being parallel of variable indicator panel, will promote variable indicator panel when locating stud moves around the axis of oneself rotates.During work, if rotate clockwise handwheel, variable screw rod moves to motor internal direction, and promote variable piston and move to motor internal direction, variable piston pushing tow swash plate rotates, and swash plate operating angle is diminished, and motor displacement diminishes.On the contrary, as rotated counterclockwise handwheel, variable screw rod moves to motor outside direction, and variable piston moves to motor outside direction under the effect of swash plate impacting force, and swash plate operating angle becomes large, and motor displacement becomes large.When variable piston moves, movement followed by locating stud, and promote variable indicator panel and do corresponding rotation around the axis of oneself, variable indicator panel drives described pointer to do corresponding rotation again.The variable screw rod of handwheel regulating mechanism described here is connected with described screw rod connecting screw hole fine thread, and self-locking performance is good.Certainly the handwheel regulating mechanism of band self-locking structure is preferably.The present invention can carry out stepless manual tune to described oil hydraulic motor, regulates result intuitively visible by described spacing in the rows dial.Therefore, utilize the present invention, greatly can improve the adaptability that transplanter changes operational area and spacing in the rows, and easy and simple to handle, directly perceived, reliable, greatly can improve the market competitiveness of transplanter.
As preferably, also it also comprises a planetary gear reducing mechanism in the present invention, the inner of the shell of described planetary gear reducing mechanism and the outer end bolt structure of logical food tray are connected, the output terminal of transmission shaft is the central gear that the external gear structure be connected with the planet gear transmission of planetary gear reducing mechanism becomes planetary gear reducing mechanism, and the output shaft of planetary gear reducing mechanism forms the output shaft of oil hydraulic motor.This preferred version, can improve regulation range greatly, and compact structure, reliable operation, efficiency is high.
As preferably, the shell of planetary gear reducing mechanism is made up of the outer cover body of planetary gear reducing mechanism shell and the end cap of planetary gear reducing mechanism shell, and the end cap of screw bolt passes planetary gear reducing mechanism shell be connected for logical food tray and shell, the outer cover body of planetary gear reducing mechanism shell are connected with the screw on shell is fastening with after the respective through hole on logical food tray again.Further, the two ends of transmission shaft adopt deep groove ball bearing rolling support at the bottom of the cylinder of shell and on logical food tray respectively; The output shaft of planetary gear reducing mechanism adopts two deep groove ball bearing rolling supports 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, outer end is also provided with locking nut to variable screw rod.This preferred version, is applicable to operational area and rice transplanting spacing in the rows can determine constant place for a long time, is conducive to the functional reliability improving transplanter.
In sum, the beneficial effect that the present invention brings is: the discharge capacity of oil hydraulic motor can carry out stepless changing, and adjustment operation is intuitively easy, effectively can improve the adaptability that transplanter changes operational area and spacing in the rows.
Accompanying drawing explanation
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, logical food tray 5 is connected with the nozzle end screw of shell 2 and seals cylinder body 1, piston shoes 6, swash plate 4 is in the cylinder chamber of shell 2, one end of transmission shaft 7 adopt deep groove ball bearing rolling support at the bottom of the cylinder of shell 2 on, the other end of transmission shaft 7 adopts deep groove ball bearing rolling support on logical food tray 5 and passes logical food tray 5, swash plate 4 two ends that are divided into cylinder body 1 relative to logical food tray, described swash plate 4 adopts the steel ball positioning structure comprising two locking balls 10 to position (specific structural details because be that therefore not to repeat here for known technology), motor variable regulating mechanism 8 is also provided with at the bottom of the cylinder of described shell 2, described motor variable regulating mechanism 8 is 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 indicator panel installation cavity 2.1 of cylinder hole shape is provided with at the bottom of the cylinder of shell 2, inside and outside it, both sides are coaxially provided with the variable piston attachment hole and screw rod connecting screw hole that communicate with indicator panel installation cavity 2.1 respectively, the inner end of variable piston 8.2 with swash plate 4 against being connected, the outer end sealing of variable piston 8.2 is stretched in indicator panel installation cavity through variable piston attachment hole with being slidably matched, screw rod connecting screw hole is passed with variable piston 8.2 outer end against being connected in the inner end of variable screw rod 8.3, and handwheel 8.1 is connected with the outer end of variable screw rod 8.3, the inner ends thereof of variable indicator panel 8.4 is placed in indicator panel installation cavity ordinatedly, and its outer end is installed with pointer 8.4.1, correspondingly shell 2 is installed with spacing in the rows dial 2.2, locating stud 8.5 be plugged on be located at variable piston 8.2 outer end positioning pin hole on, its upper and lower two ends are plugged on respectively is movingly located at stirring groove 8.4.2 and being located in the guide and limit groove 2.1.1 at the bottom of indicator panel installation cavity chamber of variable indicator panel 8.4 the inner, the symmetry plane of guide and limit groove 2.1.1 and the axis being parallel of indicator panel installation cavity, coplanar with longitudinal pivotal axis cross section of transmission shaft 7,
As preferably, the present invention also comprises a planetary gear reducing mechanism 9, the inner of the shell of described planetary gear reducing mechanism 9 and the outer end bolt structure of logical food tray 5 are connected, the output terminal of transmission shaft 7 is the central gear that the external gear structure be connected with the planet gear transmission of planetary gear reducing mechanism becomes planetary gear reducing mechanism, and the output shaft 9.1 of planetary gear reducing mechanism 9 forms the output shaft of oil hydraulic motor.The present embodiment, the shell of planetary gear reducing mechanism is made up of the outer cover body 9.2 of planetary gear reducing mechanism shell and the end cap 9.3 of planetary gear reducing mechanism shell, and the end cap 9.3 of screw bolt passes planetary gear reducing mechanism shell be connected for logical food tray 5 and shell 2, the outer cover body 9.2 of planetary gear reducing mechanism shell are connected with the screw on shell 2 is fastening with after the respective through hole on logical food tray 5 again; The output shaft 9.1 of planetary gear reducing mechanism 9 adopts two deep groove ball bearing rolling supports on the shell of planetary gear reducing mechanism 9;
As preferably, outer end can add locking nut 8.6 to variable screw rod 8.3, for locking adjustment result more reliably, uses when being particularly useful for when operational area and rice transplanting spacing in the rows can be determined constant for a long time.
The specific embodiment of the above is only the present invention's preferably mode of execution, not limits specific embodiment of the invention scope with this.The equivalence change that all shapes according to the present invention, structure are done ought to all be included in protection scope of the present invention.
Claims (6)
1. a 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, logical food tray (5) is connected with the nozzle end screw of shell (2) and seals cylinder body (1), piston shoes (6), swash plate (4) is in the cylinder chamber of shell (2), one end rolling support of transmission shaft (7) at the bottom of the cylinder of shell (7) on, the other end rolling support of transmission shaft (7) is gone up at logical food tray (5) and passes logical food tray (5), swash plate (4) two ends that are divided into cylinder body (1) relative to logical food tray, motor variable regulating mechanism (8) is also provided with at the bottom of the cylinder of described shell (2), described motor variable regulating mechanism (8) is 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 indicator panel installation cavity (2.1) of cylinder hole shape is provided with at the bottom of the cylinder of shell (2), inside and outside it, both sides are coaxially provided with the variable piston attachment hole and screw rod connecting screw hole that communicate with indicator panel installation cavity (2.1) respectively, the inner end of variable piston (8.2) with swash plate (4) against being connected, the outer end sealing of variable piston (8.2) is stretched in indicator panel installation cavity through variable piston attachment hole with being slidably matched, screw rod connecting screw hole is passed with variable piston (8.2) outer end against being connected in the inner end of variable screw rod (8.3), handwheel (8.1) is connected with the outer end of variable screw rod (8.3), the inner ends thereof of variable indicator panel (8.4) is placed in indicator panel installation cavity ordinatedly, and its outer end is installed with pointer (8.4.1), correspondingly shell (2) is installed with spacing in the rows dial (2.2), locating stud (8.5) be plugged on be located at variable piston (8.2) outer end positioning pin hole on, it is inner that its upper and lower two ends are plugged on the guide and limit groove (2.1.1) stirred groove (8.4.2) and be located at the bottom of indicator panel installation cavity chamber being located at variable indicator panel (8.4) inner respectively movingly, the symmetry plane of guide and limit groove (2.1.1) and the axis being parallel of indicator panel installation cavity, coplanar with longitudinal 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 planetary gear reducing mechanism (9), the inner of the shell of described planetary gear reducing mechanism (9) and the outer end bolt structure of logical food tray (5) are connected, the output terminal of transmission shaft (7) is the central gear that the external gear structure be connected with the planet gear transmission of planetary gear reducing mechanism becomes planetary gear reducing mechanism, and the output shaft (9.1) of planetary gear reducing mechanism (9) forms the output shaft of oil hydraulic motor.
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 up of the outer cover body (9.2) of planetary gear reducing mechanism shell and the end cap (9.3) of planetary gear reducing mechanism shell, the end cap (9.3) of screw bolt passes planetary gear reducing mechanism shell be connected for logical food tray (5) and shell (2), the outer cover body (9.2) of planetary gear reducing mechanism shell are connected with the screw on shell (2) is fastening with after the respective through hole on logical food tray (5) again.
4. the manual stepless variable plunger hydraulic motor according to claim 1 or 2 or 3, is characterized in that: the two ends of transmission shaft (7) adopt deep groove ball bearing rolling support at the bottom of the cylinder of shell (2) and on logical food tray (5) respectively.
5. the manual stepless variable plunger hydraulic motor according to Claims 2 or 3, is characterized in that: the output shaft (9.1) of planetary gear reducing mechanism (9) adopts two deep groove ball bearing rolling supports on the shell of planetary gear reducing mechanism (9).
6. the manual stepless variable plunger hydraulic motor according to claim 1 or 2 or 3, is characterized in that: variable screw rod (8.3) outer end is also provided with locking nut (8.6).
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 CN103277242A (en) | 2013-09-04 |
| CN103277242B true CN103277242B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310132210.1A Active CN103277242B (en) | 2013-04-16 | 2013-04-16 | Hand-operated stepless variable plunger hydraulic motor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10030441A1 (en) * | 2000-06-22 | 2002-01-10 | Lohmann & Stolterfoht Gmbh | Wheel drive with integrated dynamic service brake |
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2013
- 2013-04-16 CN CN201310132210.1A patent/CN103277242B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN103277242A (en) | 2013-09-04 |
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