CN111648913B - Hydraulic motor driving mechanism - Google Patents
Hydraulic motor driving mechanism Download PDFInfo
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- CN111648913B CN111648913B CN202010404974.1A CN202010404974A CN111648913B CN 111648913 B CN111648913 B CN 111648913B CN 202010404974 A CN202010404974 A CN 202010404974A CN 111648913 B CN111648913 B CN 111648913B
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- gear ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0602—Component parts, details
- F03C1/0607—Driven means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0602—Component parts, details
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention relates to the technical field of hydraulic driving equipment and discloses a hydraulic motor driving mechanism which comprises a transmission rotating wheel, an inner hydraulic mechanism, an outer hydraulic mechanism and a hydraulic elastic rubber ring, wherein the inner hydraulic mechanism is connected inside the transmission rotating wheel in a transmission manner, the outer hydraulic mechanism is connected to the periphery of the transmission rotating wheel in a transmission manner, a group of hydraulic elastic rubber rings are respectively and fixedly installed in inner cavities of the inner hydraulic mechanism and the outer hydraulic mechanism, and the transmission rotating wheel comprises a transmission gear ring. This hydraulic motor actuating mechanism to last transmission tooth piece and the setting of staggering each other between the transmission tooth piece down, make it when utilizing interior hydraulic pressure mechanism and outer hydraulic pressure mechanism to drive the transmission ring gear and rotate, make it possess better smoothness nature, the phenomenon of pulsation can not appear when hydraulic transmission, has further reduced this hydraulic motor to the wearing and tearing of sloping cam plate, has improved this hydraulic motor stability under long-term and complicated operating mode environment simultaneously.
Description
Technical Field
The invention relates to the technical field of hydraulic driving equipment, in particular to a hydraulic motor driving mechanism.
Background
The hydraulic motor is used as an actuating element in a hydraulic system, hydraulic pressure energy provided by a hydraulic pump is converted into mechanical energy of an output shaft of the hydraulic motor, namely the mechanical energy is converted into the rotating speed and the torque of the hydraulic motor, and the hydraulic motor is used as a medium for transmitting power and movement, so that greater torque can be provided for mechanical equipment compared with the motor drive, and the hydraulic motor is suitable for complex working condition environments.
The plunger type hydraulic motor is one of the structural forms of the hydraulic motor, can provide larger torque at higher rotating speed compared with other structural forms, and the whole operation is smoother and can not generate larger pulsation, but the existing plunger type hydraulic motor has the advantages that the rotating speed and the torque of the driving mechanism are in inverse proportion because the rotating inclination angle of the swash plate is all positioned at the inner side of the hydraulic motor, if the inclination angle of the swash plate is larger, the generated torque is larger, but the rotating speed is lower, along with the continuous development of industrial technology, the working condition environment faced by the hydraulic motor is more complicated, the application range of the hydraulic motor is greatly limited, and because the hydraulic motor adopts a single-side inclined driving mode, the wear of the swash plate is more serious in the long-term use process, and the service life of the hydraulic motor is shorter, and the stability of the device is increasingly deteriorated along with the duration of the working condition, so that greater potential safety hazards exist in the working condition environment with high load and high torque.
Disclosure of Invention
Technical problem to be solved
The invention provides a hydraulic motor driving mechanism, which has the advantages of providing larger torque at higher rotating speed, effectively reducing the abrasion of internal parts of the hydraulic motor, prolonging the service life, and having higher stability and safety, and solves the problems that the rotating speed and the torque of the driving mechanism are in inverse proportion because the rotating inclination angle of a swash plate of the existing plunger type hydraulic motor is completely positioned at the inner side of the swash plate, if the inclination angle of the swash plate is larger, the generated torque is larger, but the rotating speed is lower, the working condition environment faced by the hydraulic motor is more complicated along with the continuous development of the industrial technology, the application range of the hydraulic motor is greatly limited, and because the hydraulic motor adopts a single-side inclined driving mode, the abrasion of the swash plate is serious in the long-term use process, and the service life of the hydraulic motor is shorter, and the stability of the device is increasingly deteriorated along with the duration of the working condition, and the device has the problem of larger potential safety hazard under the working condition environment with high load and high torque.
(II) technical scheme
The invention provides the following technical scheme: a hydraulic motor driving mechanism comprises a transmission rotating wheel, an inner hydraulic mechanism, an outer hydraulic mechanism and a hydraulic elastic rubber ring, wherein the inner transmission of the transmission rotating wheel is connected with the inner hydraulic mechanism, the peripheral transmission of the transmission rotating wheel is connected with the outer hydraulic mechanism, a group of hydraulic elastic rubber ring is respectively and fixedly installed in the inner cavities of the inner hydraulic mechanism and the outer hydraulic mechanism, the transmission rotating wheel comprises a transmission gear ring, the outer surface and the inner wall of the transmission gear ring are respectively provided with an upper transmission gear block and a lower transmission gear block, a transmission flange is fixedly installed on the back surface of the transmission gear ring, the inner hydraulic mechanism comprises an inner pressure gear ring, the inner pressure gear ring is positioned in the middle of the inner cavity of the transmission gear ring, the front surface of the inner pressure gear ring is provided with an inner pressure return round hole, the outer surface of the inner pressure gear ring is provided with an inner pressure gear block, and the inner pressure gear block is in meshed transmission connection with the lower transmission gear block on the transmission gear ring, the utility model discloses a hydraulic press ring gear, including the internal pressure ring gear, the external pressure ring gear, the internal movable mounting of installation ring gear II has another set of hydraulic elastic rubber circle.
Preferably, the upper transmission tooth blocks and the lower transmission tooth blocks on the transmission gear ring are respectively provided with a plurality of groups which are respectively arranged in an annular array, and the mounting positions of the upper transmission tooth blocks and the lower transmission tooth blocks in each group are staggered.
Preferably, the inner pressure tooth blocks on the inner pressure gear ring and the outer pressure tooth blocks on the outer pressure gear ring have the same inclined direction of the curved surfaces at the outer sides, and the number and the installation positions of the inner pressure tooth blocks are respectively corresponding to those of the lower transmission tooth blocks and the upper transmission tooth blocks on the transmission gear ring.
Preferably, all adopt the elasticity rubber material to make between external pressure ring gear and the interior pressure ring gear, and external pressure on it replies the round hole and all is equipped with oval poroid structure with interior pressure and replies the round hole.
Preferably, the external dimension of the hydraulic elastic rubber ring is the same as the dimension between the mounting ring groove I on the internal pressure gear ring and the mounting ring groove II on the external pressure gear ring, and the hydraulic elastic rubber ring is in clearance fit with the mounting ring groove I and the mounting ring groove II.
(III) advantageous effects
The invention has the following beneficial effects:
1. compared with the existing plunger type hydraulic motor, the hydraulic motor driving mechanism has the advantages that the inclined driving surfaces of the swash plate are dispersed on the inner side and the outer side of the inclined driving surfaces by the aid of the upper transmission tooth block and the lower transmission tooth block of the transmission gear ring, the relation between the rotating speed and the torque can be effectively improved by means of double-sided driving of the transmission gear ring, the torque of the hydraulic motor driving mechanism can be improved while the rotating speed is guaranteed, the hydraulic motor driving mechanism is wide in application range, can be suitable for working environments with complex working conditions, meanwhile, abrasion of the swash plate in the existing plunger type hydraulic motor is effectively reduced, the service life of the hydraulic motor driving mechanism is prolonged, and stability and safety of the hydraulic motor driving mechanism are high under long-term and complex working condition environments.
2. This hydraulic motor actuating mechanism to last transmission tooth piece and the setting of staggering each other between the transmission tooth piece down, make it when utilizing interior hydraulic pressure mechanism and outer hydraulic pressure mechanism to drive the transmission ring gear and rotate, make it possess better smoothness nature, the phenomenon of pulsation can not appear when hydraulic transmission, has further reduced this hydraulic motor to the wearing and tearing of sloping cam plate, has improved this hydraulic motor stability under long-term and complicated operating mode environment simultaneously.
3. This hydraulic motor actuating mechanism, to the setting of external pressure ring gear and interior pressure ring gear, make it can take place concertina movement along with the hydraulic pressure inflation of hydraulic pressure elastic rubber circle, thereby drive the transmission ring gear and take place to rotate under the friction drive effect of lower transmission tooth piece and last transmission tooth piece, simultaneously when hydraulic pressure elastic rubber circle loses hydraulic power, the contraction takes place for interior pressure tooth piece or external pressure tooth piece in the drive that can be timely, make it can not take place the friction with lower transmission tooth piece or last transmission tooth piece again, and then reduced hydraulic power's in the circulating pump station loss effectively, the power conversion rate of this hydraulic motor has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the transmission wheel of the present invention;
FIG. 3 is a schematic structural view of an internal hydraulic mechanism of the present invention;
FIG. 4 is a schematic structural view of an external hydraulic mechanism according to the present invention;
FIG. 5 is a schematic half-sectional view of a hydraulic elastic rubber ring of the present invention;
FIG. 6 is a diagram of a drive train of the present invention configuration.
In the figure: 1. a transmission runner; 11. a transmission gear ring; 12. an upper transmission gear block; 13. a lower transmission gear block; 14. a transmission flange; 2. an internal hydraulic mechanism; 21. an internal pressure gear ring; 22. restoring the round hole by internal pressure; 23. pressing the tooth block internally; 24. installing a ring groove I; 3. an outer hydraulic mechanism; 31. externally pressing the gear ring; 32. restoring the circular hole by external pressure; 33. externally pressing a tooth block; 34. mounting a ring groove II; 4. a hydraulic elastic rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a hydraulic motor driving mechanism includes a transmission wheel 1, an inner hydraulic mechanism 2, an outer hydraulic mechanism 3 and a hydraulic elastic rubber ring 4, the inner hydraulic mechanism 2 is connected to the transmission wheel 1 in a transmission manner, the outer hydraulic mechanism 3 is connected to the periphery of the transmission wheel 1 in a transmission manner, a group of hydraulic elastic rubber rings 4 are respectively and fixedly installed in the inner cavities of the inner hydraulic mechanism 2 and the outer hydraulic mechanism 3, the transmission wheel 1 includes a transmission gear ring 11, an upper transmission gear block 12 and a lower transmission gear block 13 are respectively installed on the outer surface and the inner wall of the transmission gear ring 11, a transmission flange 14 is fixedly installed on the back surface of the transmission gear ring 11, the inner hydraulic mechanism 2 includes an inner pressure gear ring 21, the inner pressure gear ring 21 is located in the middle of the inner cavity of the transmission gear ring 11, an inner pressure return circular hole 22 is installed on the front surface of the inner pressure gear ring 21, an inner pressure gear block 23 is installed on the outer surface of the inner pressure gear ring 21, and interior briquetting 23 and the lower drive briquetting 13 meshing transmission on the drive ring gear 11 are connected, the middle part of interior briquetting 21 inner chamber of pressing has seted up installation annular I24, the inside movable mounting of installation annular I24 has hydraulic elastic rubber circle 4, outer hydraulic mechanism 3 includes external pressure ring gear 31, the front of external pressure ring gear 31 is equipped with external pressure and replies round hole 32, be equipped with external pressure briquetting 33 on the inner wall of external pressure ring gear 31, and external pressure briquetting 33 is connected with the last drive briquetting 12 meshing transmission on the drive ring gear 11, installation annular II 34 has been seted up to the inside of external pressure ring gear 31, the inside movable mounting of installation annular II 34 has another group hydraulic elastic rubber circle 4.
The hydraulic elastic rubber ring 4 on the transmission rotating wheel 1 and the hydraulic elastic rubber ring 4 on the internal hydraulic mechanism 2 are communicated with a circulating pump station through an oil pipeline, and the circulating pump station is electrically connected with a control system.
The arrangement of the upper transmission tooth block 12 and the lower transmission tooth block 13 of the transmission gear ring 11 enables inclined driving surfaces of the swash plate to be dispersed on the inner side and the outer side of the transmission gear ring, the relation between the rotating speed and the torque can be effectively improved by utilizing a double-sided driving mode of the transmission gear ring 11, the torque of the hydraulic motor driving mechanism can be improved while the rotating speed is ensured, the application range of the hydraulic motor driving mechanism is wide, and the hydraulic motor driving mechanism can be suitable for a working environment with complex working conditions.
In the technical scheme, the upper transmission toothed block 12 and the lower transmission toothed block 13 on the transmission gear ring 11 are respectively provided with a plurality of groups and are respectively arranged in an annular array, and the installation positions of the upper transmission toothed block 12 and the lower transmission toothed block 13 in each group are staggered.
The upper transmission gear block 12 and the lower transmission gear block 13 are arranged in a staggered manner, so that the inner hydraulic mechanism 2 and the outer hydraulic mechanism 3 are utilized to drive the transmission gear ring 11 to rotate, the smoothness is good, the occurrence of pulsation is reduced, and meanwhile, the torque of the hydraulic drive motor is effectively improved.
In the technical scheme, the inclined directions of the curved surfaces of the inner pressure tooth blocks 23 on the inner pressure gear ring 21 and the outer pressure tooth blocks 33 on the outer pressure gear ring 31 are the same, and the number and the installation positions of the inner pressure tooth blocks and the curved surfaces respectively correspond to those of the lower transmission tooth blocks 13 and the upper transmission tooth blocks 12 on the transmission gear ring 11.
In the technical scheme, the outer pressure gear ring 31 and the inner pressure gear ring 21 are both made of elastic rubber, and the outer pressure recovery circular hole 32 and the inner pressure recovery circular hole 22 are both provided with elliptical hole-shaped structures.
Wherein, to the setting of external pressure ring gear 31 and interior pressure ring gear 21, make it can take place concertina movement along with the hydraulic pressure inflation of hydraulic pressure elasticity rubber ring 4, and then drive transmission ring gear 11 and take place to rotate under the friction drive effect of lower transmission tooth piece 13 and upper transmission tooth piece 12, when hydraulic pressure elasticity rubber ring 4 loses hydraulic power simultaneously, the tooth piece 23 or the shrink of external pressure tooth piece 33 in the drive that can be timely, make it can not take place the friction with lower transmission tooth piece 13 or between the upper transmission tooth piece 12, and then reduced the loss of hydraulic power in the circulating pump station effectively.
In the technical scheme, the external dimension of the hydraulic elastic rubber ring 4 is the same as the dimension between the mounting ring groove I24 on the internal pressure gear ring 21 and the mounting ring groove II 34 on the external pressure gear ring 31, and the hydraulic elastic rubber ring is in clearance fit with the mounting ring groove I24 and the mounting ring groove II 34.
The use method and the working principle of the embodiment are as follows:
as shown in fig. 6, the hydraulic elastic rubber ring 4 on the transmission runner 1 and the hydraulic elastic rubber ring 4 on the internal hydraulic mechanism 2 are communicated with each other through an oil pipeline and a circulation pump station, and the circulation pump station is electrically connected with a control system, then the circulation pump station is started through the control system, when the circulation pump station moves hydraulic transmission to the left side, the hydraulic elastic rubber ring 4 on the mounting ring groove I24 is expanded by the pressure of hydraulic oil, so as to extrude the internal pressure gear ring 21 to expand outwards, so that the internal pressure gear ring 23 and the lower transmission gear block 13 on the transmission gear ring 11 are extruded by friction, further the transmission gear ring 11 is driven to rotate clockwise by an angle of one gear block, the internal pressure recovery circular hole 22 on the internal pressure gear ring 21 is extruded and deformed, and simultaneously, under the action of the external pressure recovery circular hole 32 on the external pressure gear ring 31 and the negative pressure of the circulation pump station, so that the external pressure toothed block 33 fixedly mounted on the external pressure toothed ring 31 contracts to be separated from the contact with the upper transmission toothed block 12 on the transmission toothed ring 11; when the circulating pump station moves hydraulic transmission to the right side, the hydraulic elastic rubber ring 4 on the mounting ring groove II 34 is expanded under the pressure of the pressure hydraulic oil, so that the external pressure gear ring 31 is extruded to be expanded outwards to cause friction extrusion between the external pressure gear block 33 and the upper transmission gear block 12 on the transmission gear ring 11, the transmission gear ring 11 is driven to rotate clockwise by one gear block angle again, the external pressure on the external pressure gear ring 31 is recovered to the circular hole 32 to be extruded and deformed, and meanwhile, the internal pressure on the internal pressure gear ring 21 is recovered to the circular hole 22 and under the negative pressure action of the circulating pump station, so that the internal pressure gear block 23 fixedly mounted on the internal pressure gear ring 21 is contracted to be separated from the contact with the upper transmission gear block 13 and the lower transmission gear block 13 of the transmission gear ring 11.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydraulic motor actuating mechanism, includes transmission runner (1), interior hydraulic pressure mechanism (2), outer hydraulic pressure mechanism (3) and hydraulic elastic rubber circle (4), the internal transmission of transmission runner (1) is connected with interior hydraulic pressure mechanism (2), the peripheral transmission of transmission runner (1) is connected with outer hydraulic pressure mechanism (3), and the inner chamber difference fixed mounting of interior hydraulic pressure mechanism (2) and outer hydraulic pressure mechanism (3) has a set of hydraulic elastic rubber circle (4), its characterized in that: the transmission rotating wheel (1) comprises a transmission gear ring (11), the outer surface of the transmission gear ring (11) is provided with a transmission gear block (12), the inner wall of the transmission gear ring (11) is provided with a lower transmission gear block (13), the back fixed mounting of the transmission gear ring (11) is provided with a transmission flange (14), the internal hydraulic mechanism (2) comprises an internal pressure gear ring (21), the internal pressure gear ring (21) is positioned at the middle part of the inner cavity of the transmission gear ring (11), the front surface of the internal pressure gear ring (21) is provided with an internal pressure return round hole (22), the outer surface of the internal pressure gear ring (21) is provided with an internal pressure gear block (23), the internal pressure gear block (23) is in meshing transmission connection with the lower transmission gear block (13) on the transmission gear ring (11), the middle part of the inner cavity of the internal pressure gear ring (21) is provided with an installation annular I (24), and the internal movable mounting of the installation annular I (24) is provided with a hydraulic elastic rubber ring (4), outer hydraulic mechanism (3) are including external pressure ring gear (31), the front of external pressure ring gear (31) is equipped with external pressure and replies round hole (32), be equipped with external pressure tooth piece (33) on the inner wall of external pressure ring gear (31), and last transmission tooth piece (12) meshing transmission on external pressure tooth piece (33) and transmission ring gear (11) is connected, installation annular II (34) have been seted up to the inside of external pressure ring gear (31), the inside movable mounting of installation annular II (34) has another a set of hydraulic elastic rubber circle (4).
2. A hydraulic motor drive according to claim 1, wherein: the upper transmission tooth block (12) and the lower transmission tooth block (13) on the transmission gear ring (11) are respectively provided with a plurality of groups and are respectively arranged in an annular array, and meanwhile, the mounting positions of the upper transmission tooth block (12) and the lower transmission tooth block (13) in each group are staggered.
3. A hydraulic motor drive according to claim 1, wherein: the inclined directions of the inner pressure tooth blocks (23) on the inner pressure gear ring (21) and the curved surfaces on the outer sides of the outer pressure tooth blocks (33) on the outer pressure gear ring (31) are the same, and the number and the installation positions of the inner pressure tooth blocks and the outer pressure tooth blocks correspond to those of the lower transmission tooth blocks (13) and the upper transmission tooth blocks (12) on the transmission gear ring (11) respectively.
4. A hydraulic motor drive according to claim 1, wherein: the external pressure return circular hole (32) on the external pressure gear ring (31) and the internal pressure return circular hole (22) on the internal pressure gear ring (21) are respectively provided with an oval hole-shaped structure.
5. A hydraulic motor drive according to claim 1, wherein: the size of the outside dimension of the hydraulic elastic rubber ring (4) is the same as the size of the mounting ring groove I (24) on the internal pressure gear ring (21) and the size of the mounting ring groove II (34) on the external pressure gear ring (31), and the outside dimension of the hydraulic elastic rubber ring is in clearance fit with the mounting ring groove I (24) and the mounting ring groove II (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404974.1A CN111648913B (en) | 2020-05-14 | 2020-05-14 | Hydraulic motor driving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010404974.1A CN111648913B (en) | 2020-05-14 | 2020-05-14 | Hydraulic motor driving mechanism |
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| Publication Number | Publication Date |
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| CN111648913A CN111648913A (en) | 2020-09-11 |
| CN111648913B true CN111648913B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010404974.1A Active CN111648913B (en) | 2020-05-14 | 2020-05-14 | Hydraulic motor driving mechanism |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102614A (en) * | 1976-02-25 | 1978-07-25 | Bernard Gold | Machines for generating motion |
| CN2052461U (en) * | 1989-04-22 | 1990-02-07 | 王健 | Transmission with inner engage |
| CN1109423A (en) * | 1993-02-10 | 1995-10-04 | 阿沙公司 | Vehicle drivertrain hydraulic coupling |
| CN1204735A (en) * | 1996-12-04 | 1999-01-13 | 西格弗里德·A·艾泽曼 | Infinitely variable ring gear pump |
| CN1270283A (en) * | 1999-04-14 | 2000-10-18 | 尹顿公司 | Two speed motor with external chamber circulation |
| CN1411540A (en) * | 2000-03-04 | 2003-04-16 | 厄克斯勒股份公司 | Shaft drive and internal geared wheels for drive of this type |
| CN101639033A (en) * | 2008-07-31 | 2010-02-03 | 廖振宜 | Cycloidal hydraulic motor with engaged rotation of external rotor and internal gear |
| EP2161453A2 (en) * | 2008-09-05 | 2010-03-10 | PKT Präzisionskunststofftechnik Bürtlmair GmbH | Rotor set and rotor pump |
| CN102900665A (en) * | 2012-10-16 | 2013-01-30 | 李庆中 | Inside engaged gear pump or gear motor device with multilayer structure |
| CN106481742A (en) * | 2015-08-25 | 2017-03-08 | 迪尔公司 | Compact planet device for final driving means |
-
2020
- 2020-05-14 CN CN202010404974.1A patent/CN111648913B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4102614A (en) * | 1976-02-25 | 1978-07-25 | Bernard Gold | Machines for generating motion |
| CN2052461U (en) * | 1989-04-22 | 1990-02-07 | 王健 | Transmission with inner engage |
| CN1109423A (en) * | 1993-02-10 | 1995-10-04 | 阿沙公司 | Vehicle drivertrain hydraulic coupling |
| CN1204735A (en) * | 1996-12-04 | 1999-01-13 | 西格弗里德·A·艾泽曼 | Infinitely variable ring gear pump |
| CN1270283A (en) * | 1999-04-14 | 2000-10-18 | 尹顿公司 | Two speed motor with external chamber circulation |
| CN1411540A (en) * | 2000-03-04 | 2003-04-16 | 厄克斯勒股份公司 | Shaft drive and internal geared wheels for drive of this type |
| CN101639033A (en) * | 2008-07-31 | 2010-02-03 | 廖振宜 | Cycloidal hydraulic motor with engaged rotation of external rotor and internal gear |
| EP2161453A2 (en) * | 2008-09-05 | 2010-03-10 | PKT Präzisionskunststofftechnik Bürtlmair GmbH | Rotor set and rotor pump |
| CN102900665A (en) * | 2012-10-16 | 2013-01-30 | 李庆中 | Inside engaged gear pump or gear motor device with multilayer structure |
| CN106481742A (en) * | 2015-08-25 | 2017-03-08 | 迪尔公司 | Compact planet device for final driving means |
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| CN111648913A (en) | 2020-09-11 |
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Effective date of registration: 20220129 Address after: 457000 Road East, 200m north of the intersection of Zhongyuan Road and Lishan Road, Puyang City, Henan Province Applicant after: Puyang Kaixiang Petroleum Equipment Co.,Ltd. Address before: 618000 No.87, East 2nd section, Dongxi street, Guanghan City, Deyang City, Sichuan Province Applicant before: Zhang Daihui |
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