阅读说明：本技术 一种基于柱塞式的液压马达驱动机构 (Plunger type-based hydraulic motor driving mechanism ) 是由 张代辉 于 2020-05-14 设计创作，主要内容包括：本发明涉及液压驱动设备技术领域,且公开了一种基于柱塞式的液压马达驱动机构,包括传动转轮、内液压机构、外液压机构和液压弹性橡胶圈,传动转轮的内部传动连接有内液压机构,传动转轮的外围传动连接有外液压机构,且内液压机构和外液压机构的内腔分别固定安装有一组液压弹性橡胶圈,所述传动转轮包括传动齿圈。该基于柱塞式的液压马达驱动机构,对于上传动齿块和下传动齿块之间相互错开的设置,使其在利用内液压机构和外液压机构带动传动齿圈转动时,使其具备较好的流畅性,不会在液压传动时出现脉动的现象,进一步地降低了该柱塞式液压马达对于斜盘的磨损,同时提高了该柱塞式液压马达在长期且复杂的工况环境下的稳定性。(The invention relates to the technical field of hydraulic driving equipment, and discloses a plunger-type 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 part of the transmission rotating wheel is in transmission connection with the inner hydraulic mechanism, the periphery of the transmission rotating wheel is in transmission connection with the outer hydraulic mechanism, 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. According to the plunger type hydraulic motor driving mechanism, the upper transmission gear block and the lower transmission gear block are arranged in a staggered mode, so that when the inner hydraulic mechanism and the outer hydraulic mechanism are used for driving the transmission gear ring to rotate, the plunger type hydraulic motor driving mechanism has better fluency, the phenomenon of pulsation can not occur in hydraulic transmission, the abrasion of the plunger type hydraulic motor on the swash plate is further reduced, and meanwhile the stability of the plunger type hydraulic motor in a long-term and complex working condition environment is improved.)

1. The utility model provides a hydraulic motor actuating mechanism based on plunger type, 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 of interior hydraulic pressure mechanism (2) and outer hydraulic pressure mechanism (3) respectively fixed mounting have 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 and the inner wall of the transmission gear ring (11) are respectively provided with a transmission gear block (12) and 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 in the middle 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 meshed 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 ring groove I (24), and the internal movable mounting of the, 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 plunger-based hydraulic motor drive as set forth in 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 plunger-based hydraulic motor drive as set forth in 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 plunger-based hydraulic motor drive as set forth in claim 1, wherein: the outer pressure gear ring (31) and the inner pressure gear ring (21) are both made of elastic rubber, and the outer pressure return circular hole (32) and the inner pressure return circular hole (22) are both provided with oval hole-shaped structures.

5. A plunger-based hydraulic motor drive as set forth in 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).

Technical Field

The invention relates to the technical field of hydraulic driving equipment, in particular to a plunger type-based 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 plunger type-based 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 hydraulic motor, 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 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, 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 plunger-type-based 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 periphery of the transmission rotating wheel is connected with the outer hydraulic mechanism in a transmission manner, a group of hydraulic elastic rubber rings are 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, an upper transmission gear block and a lower transmission gear block are respectively arranged on the outer surface and the inner wall of the transmission gear ring, 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 located in the middle of the inner cavity of the transmission gear ring, an inner pressure return round hole is formed in the front surface of the inner pressure gear ring, an inner pressure gear block is arranged on the outer surface of the, 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. the plunger type hydraulic motor driving mechanism has the advantages that the upper transmission tooth block and the lower transmission tooth block of the transmission gear ring are arranged, so that inclined driving surfaces of the swash plate are dispersed on the inner side and the outer side of the inclined driving surfaces of the swash plate.

2. According to the plunger type hydraulic motor driving mechanism, the upper transmission gear block and the lower transmission gear block are arranged in a staggered mode, so that when the inner hydraulic mechanism and the outer hydraulic mechanism are used for driving the transmission gear ring to rotate, the plunger type hydraulic motor driving mechanism has better fluency, the phenomenon of pulsation can not occur in hydraulic transmission, the abrasion of the plunger type hydraulic motor on the swash plate is further reduced, and meanwhile the stability of the plunger type hydraulic motor in a long-term and complex working condition environment is improved.

3. This hydraulic motor actuating mechanism based on plunger type, 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 upper transmission tooth piece, when hydraulic pressure elastic rubber circle loses hydraulic power simultaneously, can be timely drive interior pressure tooth piece or external pressure tooth piece and take place to shrink, make it can not take place the friction again with lower transmission tooth piece or between the last transmission tooth piece, and then reduced the loss of hydraulic power in the circulating pump station effectively, improved this hydraulic motor's power conversion rate.

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 plunger-based hydraulic motor driving mechanism comprises a transmission runner 1, an inner hydraulic mechanism 2, an outer hydraulic mechanism 3 and a hydraulic elastic rubber ring 4, wherein the transmission runner 1 is connected with the inner hydraulic mechanism 2 in a transmission manner, the periphery of the transmission runner 1 is connected with the outer hydraulic mechanism 3 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 runner 1 comprises a transmission gear ring 11, an upper transmission gear block 12 and a lower transmission gear block 13 are respectively arranged 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 comprises 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 recovery circular hole 22 is arranged on the front surface of the inner pressure, 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, 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.

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.