WO2019068244A1 - 一种稳流液压泵及使用该稳流液压泵的一种稳流传输系统 - Google Patents

一种稳流液压泵及使用该稳流液压泵的一种稳流传输系统 Download PDF

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WO2019068244A1
WO2019068244A1 PCT/CN2018/099099 CN2018099099W WO2019068244A1 WO 2019068244 A1 WO2019068244 A1 WO 2019068244A1 CN 2018099099 W CN2018099099 W CN 2018099099W WO 2019068244 A1 WO2019068244 A1 WO 2019068244A1
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steady flow
cylinder
driving
hydraulic pump
flow hydraulic
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PCT/CN2018/099099
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English (en)
French (fr)
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李利
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李利
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical

Definitions

  • the invention relates to a steady flow hydraulic pump and a steady flow transmission system using the steady flow hydraulic pump, belonging to the field of hydraulic transmission, and more particularly to a steady flow hydraulic pump and a stabilization using the steady flow hydraulic pump Streaming system.
  • hydraulic transmission In the field of mechanical transmission, hydraulic transmission has a wide adaptability to the transmission line, so that it has more characteristics than chain, gear transmission and the like to meet the transmission requirements under complex conditions, so it has a wide range of applications in machinery.
  • various types of gear pumps, vane pumps, plunger pumps, screw pumps, peristaltic pumps and other hydraulic pumps are produced.
  • a two-way hydraulic pump is provided at each end of the oil pump. A grease nipple that alternately enters and exits through the two ends of the nozzle to achieve bidirectional drive.
  • a steady flow hydraulic pump of the present invention aims to solve the problem of unstable transmission caused by stable output of the oil pump under the existing oil pump technical conditions.
  • a steady flow hydraulic pump comprises an oil cylinder, a hydraulic rod, a cover plate and a grease nipple; the oil cylinders have two oil nozzles connected to the inner cavity of the cylinder at two ends near the end, and the two oil nozzles at either end are respectively a hydraulic nozzle including a driving portion, a piston portion and a balance portion, wherein the driving portion has the same outer diameter as the balance portion and is respectively located at both ends of the piston portion, and the outer diameter of the piston portion is larger than the outer diameter of the driving portion;
  • the hydraulic rod is installed in the oil cylinder; the cover plate is mounted on the end of the oil cylinder to seal the oil cylinder, and the sealing ring is disposed between the cover plate and the oil cylinder; the cover plate is adapted to the outer diameter of the driving portion.
  • the opening length; the total length of the driving portion and the piston portion and the total length of the piston portion and the balance portion are both greater than the length of the cylinder cavity; and the driving portion has a transmission device connecting structure for
  • the two oil inlet nozzles respectively located at the two ends of the oil cylinder can communicate with each other through the three-way oil pipe; correspondingly, the two oil discharge nozzles can also communicate with each other through the three-way oil pipe.
  • the cylinders are open at both ends, and the inner diameters of the openings at both ends are adapted to the outer diameter of the piston portion, so as to fit the hydraulic rod into the cylinder.
  • the cylinder is open at both ends, wherein the inner diameter of one end opening is adapted to the outer diameter of the piston portion; the inner diameter of the opening of the other end is adapted to the outer diameter of the balance portion.
  • the cylinder has a bottom protrusion structure; the cylinder bottom protrusion structure is located on an inner wall of an inner end of the cylinder opening and an outer diameter of the balance portion; the two nozzles at the end and the bottom surface of the cylinder The distance is less than the height of the raised structure of the cylinder bottom.
  • the cover side convex structure having an outer diameter smaller than the inner diameter of the oil cylinder; the cover side convex structure is completely at the time when the cover plate is mounted on the oil cylinder The inside of the inner cavity of the cylinder; and the corresponding two nozzles, the distance from the cover plate is smaller than the height of the convex structure on the side of the cover plate.
  • nozzles are respectively located at the corresponding cover side convex structure or the bottom protrusion structure and the gap of the cylinder inner cavity.
  • a rubber sealing ring is further included; the piston portion may have an annular groove along the side wall for mounting a rubber sealing ring, and the rubber sealing ring is installed in the annular groove.
  • a steady flow transmission system includes a steady flow hydraulic pump and a mechanical drive device;
  • the mechanical drive device includes a gear shaft, a drive rod and a drive arm; and the drive arm is non-coaxially disposed for mounting a gear shaft
  • the driving arm and the steady flow hydraulic pump each have the same two, and the two steady flow hydraulic pumps are fixedly arranged parallel to each other along the moving direction of the hydraulic rod;
  • the gear shaft is disposed at two stable positions
  • the flow hydraulic pumps are perpendicular to the moving direction of the hydraulic rod;
  • the two driving arms are respectively installed at the two ends of the gear shaft, and after installation, the connection between the gear shaft connecting portion on one driving arm and the connecting portion of the driving rod
  • the connecting line between the gear shaft connecting portion and the driving rod connecting portion on the other driving arm is perpendicular to each other;
  • the driving rod has two connecting structures respectively connected to the steady flow hydraulic pump on the same side Correspondingly, the distance between the center of the gear
  • the two driving arms respectively drive the steady flow hydraulic pumps on the same side through the driving rods connected to the driving arms; respectively, when driving the circular rods through the driving rod connecting portions on the two driving arms, respectively driving one Steady flow hydraulic pump;
  • the device further includes a bracket;
  • the gear shaft includes a gear portion, a support portion and a driving arm connecting portion;
  • the bracket includes a bracket base and a pressure plate, and the bracket base has a slot for receiving the gear portion,
  • the support base has a semi-circular groove on each of the two side walls of the slot; correspondingly, the press plate has the same semi-circular groove on the upper side of the two side walls;
  • the pressure plate is fixedly detachably connected to the corresponding side wall of the support base a gear shaft mounting hole is formed;
  • the support portion is fixedly and detachably connected to the bracket through the hole, so that the gear shaft is detached.
  • a steady flow hydraulic pump of the present invention has the same oil discharge amount during reciprocation by setting the driving portion on the hydraulic rod and the balance portion to have the same outer diameter.
  • a steady flow hydraulic pump of the present invention has a set of one-way oil inlet nozzles and oil discharge nozzles at both ends of the cylinder, thereby providing a passive transmission and an active transmission function.
  • a steady flow hydraulic pump of the present invention is used by two sets of steady flow hydraulic pump supporting driving devices, and when the motor drives the driving device, the unstable output of the driving device is converted into a stable output through complementation, thereby improving the hydraulic pump. Stability during transport.
  • Embodiment 1 is a schematic view showing the assembly structure of a steady flow hydraulic pump in Embodiment 1;
  • FIG. 2 is a schematic view of a cover plate in Embodiment 1;
  • Figure 3 is a schematic view of a hydraulic rod in Embodiment 1;
  • Figure 4 is a schematic view of an oil cylinder in Embodiment 1;
  • Figure 5 is a schematic view of a cylinder in Embodiment 2.
  • Figure 6 is a schematic view of a hydraulic rod in the fourth embodiment.
  • Figure 8 is a schematic view of a gear shaft in Embodiment 5.
  • Figure 9 is a schematic view of a driving arm in Embodiment 5.
  • Figure 10 is a schematic view of a bracket base in Embodiment 6;
  • Figure 11 is a schematic view of a press plate in the sixth embodiment.
  • a steady flow hydraulic pump of the embodiment comprises a hydraulic rod (2), a cylinder (1), a cover plate (3) and a grease nipple (4).
  • the hydraulic rod (2) includes a driving portion (201), a balance portion (203), and a piston portion (202).
  • the drive unit (201) has a transmission device connection structure (2011) for connecting the transmission device.
  • the driving portion (201) has the same outer diameter as the balance portion (203) and is located at both ends of the piston portion (202).
  • the outer diameter of the piston portion (202) is larger than the outer diameter of the driving portion (201).
  • the hydraulic rod (2) is mounted in the cylinder (1).
  • the total length of the driving portion (201) and the piston portion (202) and the total length of the piston portion (202) and the balance portion (203) are both greater than the length of the cylinder bore (101).
  • the cylinder (1) is open at both ends, and the inner diameters of the openings at both ends are adapted to the outer diameter of the piston portion (202) to facilitate loading the hydraulic rod (2) into the cylinder (1).
  • the two cover plates (3) have openings (301) adapted to the outer diameter of the driving portion (201), so that the balance portion (202) and the driving portion (201) can pass through the cover plate.
  • the cover plate (3) has a cover-side convex structure (302) having an outer diameter smaller than the inner diameter of the cylinder at a position corresponding to the inner cavity (101) of the cylinder.
  • the cover side convex structure (302) is completely inside the cylinder inner cavity (101) when the cover plate (3) is mounted on the oil cylinder (1).
  • the oil cylinders (1) are disposed at two ends near the end, each having two oil nozzles (4) communicating with the cylinder inner chamber (101); and the two oil nozzles (4) at either end are respectively installed with opposite directions.
  • a one-way valve thereby forming a grease inlet (401) and a grease outlet (402).
  • the distance between the two nozzles (4) at the same end of the cylinder (1) and the cover plate (3) is smaller than the height of the cover-side convex structure (302), and the two nozzles (4) are in the cylinder cavity (101).
  • the openings are located at the gap between the cover side convex structure (302) and the cylinder inner cavity (101).
  • a seal ring may be disposed between the cover plate (3) and the oil cylinder (1).
  • the main body structure of a steady flow hydraulic pump of this embodiment is basically the same as that of the first embodiment, except that one of the cover plates (3) is fixedly and non-detachably connected to one end of the oil cylinder (1) to form a bottom of the oil cylinder.
  • the protrusions on the cover plate form a cylinder bottom raised structure (102).
  • the main body structure of the steady flow hydraulic pump of the embodiment is substantially the same as any one of the first embodiment or the second embodiment, and the difference is that the two oil inlet nozzles (401) respectively located at the two ends of the oil cylinder (1) can be
  • the three oil pipes are connected to each other, and the corresponding two oil discharge nozzles (402) can also communicate with each other through the three-way oil pipes.
  • the main body structure of a steady flow hydraulic pump of this embodiment is substantially the same as any one of the embodiments 1 or 2, except that the side wall of the piston portion (202) can be used for mounting a rubber seal ring.
  • the annular groove (2021), the rubber sealing ring is installed in the annular groove (2021).
  • a steady flow transmission system of the present embodiment comprising the steady flow hydraulic pump (5) of any of the embodiments 1-4, further comprising a mechanical drive device (6).
  • the mechanical drive (6) includes a gear shaft (601), a drive rod (602), and a drive arm (603).
  • the drive arm (603) is non-coaxially provided with a gear shaft connection portion (6031) for mounting the gear shaft (601) and a drive rod connection portion (6032).
  • the drive rod connecting portion (6032) is a column structure or a hole that is convex on one side of the driving arm.
  • the driving arm (603) and the steady flow hydraulic pump (5) each have the same two, and the two steady flow hydraulic pumps (5) are fixedly arranged parallel to each other along the moving direction of the hydraulic rod (2).
  • the gear shaft (601) is disposed between the two steady flow hydraulic pumps (5) and perpendicular to the moving direction of the hydraulic rod (2), and the two steady flow hydraulic pumps (5) and the gear shaft (601) are relatively fixedly disposed.
  • the gear shaft (601) includes a gear portion (6011), a support portion (6012), and a drive arm connection portion (6013).
  • the drive arm connecting portion (6013) is located at an end of the support portion (6012).
  • the two driving arms (603) are respectively mounted on both ends of the gear shaft (601); and after installation, between the gear shaft connecting portion (6031) on one driving arm (603) and the driving rod connecting portion (6032)
  • the line connecting the wire shaft connection portion (6031) on the other drive arm (603) and the drive rod connection portion (6032) is perpendicular to each other.
  • the drive rod (602) has two, and is respectively mounted on the transmission device connection structure (2011) on the same side of the steady flow hydraulic pump (5) and the drive rod connection portion (6032) on the drive arm (603) Correspondingly, the distance between the center of the gear shaft connecting portion (6031) on the driving arm (603) and the center of the driving rod connecting portion (6031) is not more than half of the stroke of the hydraulic rod (2).
  • the four inlet nozzles (401) on the two steady flow hydraulic pumps (5) are connected to each other through a five-way oil pipe; the four oil discharge nozzles (402) on the two steady flow hydraulic pumps (5) pass the five-way The oil pipes are connected to each other.
  • the two driving arms (603) respectively drive the steady flow hydraulic pump (5) on the same side through the driving rods (602) connected to the driving arms, through the two driving arms (603)
  • the upper drive rod connecting portion (6032) drives a steady flow hydraulic pump (5) when performing a circular motion, and connects the oil inlets (401) of the two steady flow hydraulic pumps (5) to each other at the same time.
  • the oil nozzles (402) are connected to each other to compensate each other, so that the circulating wave waveform output of the driving rod (602) is mutually compensated and converted into a steady current input and output via two steady flow hydraulic pumps (5).
  • a steady flow transmission system of this embodiment can be used as a steady flow delivery pump.
  • the main structure of a steady flow transmission system of this embodiment is basically the same as that of the embodiment 5, and the difference is that the bracket (7) is further included.
  • the bracket (7) includes a bracket base (701) and a pressure plate (702).
  • the bracket base has a slot (7011) that can accommodate the gear portion (6011).
  • the bracket base has a semi-circular groove on each of the two side walls of the slot; correspondingly, the pressure plate has the same semi-circular groove as the groove on the upper part of the two side walls.
  • the pressure plate is fixedly detachably connected to the corresponding positions of the two side walls of the bracket base to form a gear shaft mounting hole.
  • the support portion (6012) is fixedly and detachably connected to the drive arm connecting portion (6013) through the hole (702). In order to disassemble the gear shaft.

Abstract

一种稳流液压泵，包括油缸（1）、液压杆（2）、盖板（3）和油嘴（4）；液压杆（2）包括活塞部（202）、驱动部（201）和平衡部（203），活塞部（202）位于驱动部（201）与平衡部（203）之间；驱动部（201）与平衡部（203）外径相同且均小于活塞部（202）外径；油缸（1）两端开口，且开口面积与活塞部（202）相适宜，以便于安装液压杆（2）；盖板（3）安装于油缸（1）端部；油缸（1）两端侧壁各有两个与油缸内腔（101）连通的油嘴（4）。

Description

一种稳流液压泵及使用该稳流液压泵的一种稳流传输系统 技术领域
本发明一种稳流液压泵及使用该稳流液压泵的一种稳流传输系统属于液压传动领域，更具地说，涉及一种稳流液压泵及使用该稳流液压泵的一种稳流传输系统。
技术背景
在机械传动领域，液压传动以其对传动线路的广泛适应性，使其拥有比链条、齿轮传动等更能适应复杂条件下实现传动需求的特性，所以在机械上拥有着极广泛的应用。目前为适应不同的生产需求，而生产出各类齿轮泵、叶片泵、柱塞泵、螺杆泵、蠕动泵等液压泵.同时现有的一种双向液压泵，通过在油泵两端各设置有一个油嘴，通过两端油嘴交替进出从而实现双向驱动。
发明内容
1.发明要解决的技术问题
本发明的一种稳流液压泵目的在于解决现有油泵技术条件下；油泵较难实现稳定输出所导致的传输不稳定的问题。
2.技术方案
为达到上述目的，本发明提供的技术方案为：
一种稳流液压泵，包括油缸，液压杆、盖板和油嘴；所述油缸两端靠近端部位置各有两个与油缸内腔相连通的油嘴，且任一端的两个油嘴分别为进油嘴和出油嘴；所述液压杆包括驱动部、活塞部和平衡部，所述驱动部与平衡部外径相同且分别位于活塞部两端位置，所述活塞部外径大于驱动部外径；所述液压杆安装于油缸内；所述盖板安装于油缸端部以密封油缸，所述盖板与油缸之间可设置有密封圈；所述盖板上有与驱动部外径相适应的开孔；所述驱动部与活塞部的总长度及活塞部与平衡部的总长度皆大于油缸内腔长度；所述驱动部上有用于连接传动设备的传动设备连接结构。
更进一步的，所述分别位于油缸两端的两个进油嘴可通过三通油管相互连通；相应的，两个出油嘴亦可通过三通油管相互连通。
更进一步的，所述油缸两端开口，且两端开口内径均与活塞部外径相适应，以便于将液压杆装入油缸。
更进一步的，所述油缸两端开口，其中一端开口内径与活塞部外径相适应；另一端开口内径与平衡部外径相适应。
更进一步的，所述油缸上，有缸底凸起结构；所述缸底凸起结构位于油缸开口内径与平衡部外径相适应的一端的内壁上；位于此端的两个油嘴与油缸底面的距离均小于缸底凸起结构的高度。
更进一步的，在所述盖板与油缸内腔相应位置上，有外径小于油缸内径的盖板侧凸起结构；所述盖板侧凸起结构在盖板安装于油缸上时，完全处于油缸内腔内部；且与之相对应的两个油嘴，与盖板的距离，均小于盖板侧凸起结构的高度。
更进一步的，所述的油嘴分别位于相应的盖板侧凸起结构或缸底凸起结构与油缸内腔的缝隙处。
更进一步的，还包括橡胶密封圈；所述活塞部沿侧壁可有用来安装橡胶密封圈的环形槽，橡胶密封圈安装在环形槽内。
更进一步的，一种稳流传输系统，包括稳流液压泵和机械驱动装置；所述机械驱动装置包括齿轮轴、驱动杆和驱动臂；所述驱动臂上非同轴设置有用于安装齿轮轴的齿轮轴连接部和驱动杆连接部；所述驱动臂和稳流液压泵各有相同的两个，两个稳流液压泵沿液压杆运动方向相互平行固定设置；齿轮轴设置于两个稳流液压泵之间且与液压杆运动方向垂直；所述两个驱动臂分别安装于齿轮轴两端，且安装后，一个驱动臂上的齿轮轴连接部与驱动杆连接部之间的连线与另一个驱动臂上的齿轮轴连接部与驱动杆连接部之间的连线相互垂直；所述驱动杆有两个，且分别安装于位于同侧的稳流液压泵上的传动设备连接结构与驱动臂上的驱动杆连接部上；相应的，驱动臂上的齿轮轴连接部中心与驱动杆连接部中心之间的距离不大于液压杆的行程的一半；所述两个稳流液压泵上的四个进油嘴通过五通油管相互连通；所述两个稳流液压泵上的四个出油嘴通过五通油管相互连通；
当齿轮轴转动时，两个驱动臂通过连接在驱动臂上的驱动杆分别驱动位于同侧的稳流液压泵；通过两个驱动臂上的驱动杆连接部在做圆周运动时，分别驱动一个稳流液压泵；
通过将两个稳流液压泵的四个进油嘴相互连接，同时将四个出油嘴相互连接，将单缸的波浪形输出，通过双缸补偿转化为循环矩形波形输出，再通过往复运动双向补偿，最终实现稳流输入输出。
更进一步的，还包括支架；所述齿轮轴包括齿轮部、支撑部和驱动臂连接部；所述支架包括支架基座和压板，所述支架基座上有可容纳齿轮部的槽，所述支架基座位于槽两侧壁上部各有一个半圆形槽；相应的，压板上有两侧壁上部的槽相同的半圆形槽；压板固定可拆卸连接与支架基座两侧壁相应位置，以形成齿轮轴安装孔；所述支撑部穿过孔与支架固定可拆卸连接， 以便齿轮轴的拆装。
有益效果
采用本发明提供的技术方案，与现有技术相比，有如下有益效果
(1)本发明的一种稳流液压泵，通过将液压杆上的驱动部与平衡部设置为相等的外径，从而使在往复运动过程中排油量相同。
(2)本发明的一种稳流液压泵，通过将油缸两端各设置有一组单向的进油嘴和出油嘴，从而使其具备被动传动和主动传动功能。
(3)本发明的一种稳流液压泵，通过两组稳流液压泵配套驱动装置使用，在电机带动驱动装置时，将驱动装置的不稳定输出通过互补转化为稳定输出，从而提高液压泵在输送过程中的稳定性。
附图说明
图1为实施例1中的一种稳流液压泵组装结构示意图；
图2为实施例1中的一种盖板示意图；
图3为实施例1中的一种液压杆示意图；
图4为实施例1中的一种油缸示意图；
图5为实施例2中的一种油缸示意图；
图6为实施例4中的一种液压杆示意图。
图7为实施例5中的一种稳流传输系统组装图；
图8为实施例5中的一种齿轮轴示意图；
图9为实施例5中的一种驱动臂示意图；
图10为实施例6中的一种支架基座示意图；
图11为实施例6中的一种压板示意图。
示意图中的标号说明：1、油缸；101、油缸内腔；102、缸底凸起结构；2、液压杆；201、驱动部；2011、传动设备连接结构；202、活塞部；2021、环形槽；203、平衡部；3、盖板；301、孔；302、盖板侧凸起结构；4、油嘴、401、进油嘴；402、出油嘴；5、稳流液压泵；6、机械驱动装置；601、齿轮轴；6011、齿轮部；6012、支撑部；6013、驱动臂连接部；602、驱动杆；603、驱动臂；6031、齿轮轴连接部；6032、驱动杆连接部；7、支架；701、支架基座；7011、槽；702、压板。
具体实施方式
为进一步了解本发明的内容，下面结合附图对本发明作详细描述。
实施例1
本实施例的一种稳流液压泵，包括液压杆(2)、油缸(1)、盖板(3)和油嘴(4)。所述液压杆(2)包括驱动部(201)、平衡部(203)与活塞部(202)。所述驱动部(201)上，有用于连接传动设备的传动设备连接结构(2011)。所述驱动部(201)与平衡部(203)外径相同，且分别位于活塞部(202)两端位置上。所述活塞部(202)外径大于驱动部(201)外径。所述液压杆(2)安装于油缸(1)内。所述驱动部(201)与活塞部(202)的总长度及活塞部(202)与平衡部(203)的总长度皆大于油缸内腔(101)长度。所述油缸(1)两端开口，且两端开口内径均与活塞部(202)外径相适应，以便于将液压杆(2)装入油缸(1)。所述盖板(3)有两个，分别安装于油缸(1)两端以密封油缸。所述两个盖板(3)上均有与驱动部(201)外径相适应的开孔(301)，以便平衡部(202)与驱动部(201)可穿过盖板。所述盖板(3)上在与油缸内腔(101)相应位置上，有外径小于油缸内径的盖板侧凸起结构(302)。所述盖板侧凸起结构(302)在盖板(3)安装于油缸(1)上时，完全处于油缸内腔(101)内部。所述油缸(1)两端靠近端部位置上，各有两个与油缸内腔(101)相连通的油嘴(4)；且任一端的两个油嘴(4)中各安装有方向相反的单向阀，从而形成进油嘴(401)和出油嘴(402)。位于油缸(1)同一端的两个油嘴(4)与盖板(3)的距离均小于盖板侧凸起结构(302)的高度，且两个油嘴(4)在油缸内腔(101)的开孔皆位于盖板侧凸起结构(302)与油缸内腔(101)之间的缝隙处。所述盖板(3)与油缸(1)之间可设置有密封圈。
实施例2
本实施例的一种稳流液压泵主体结构与实施例1基本相同，其不同之处在于所述盖板(3)之一固定不可拆卸连接于油缸(1)一端，形成油缸底部。相应的，该盖板上的凸起形成缸底凸起结构(102)。
实施例3
本实施例的一种稳流液压泵主体结构与实施例1或2中的任意一种基本相同，其不同之处在于：所述分别位于油缸(1)两端的两个进油嘴(401)可通过三通油管相互连通，相应的两个出油嘴(402)亦可通过三通油管相互连通。
实施例4
本实施例的一种稳流液压泵主体结构与实施例1或2中的任意一种基本相同，其不同之处在于：所述活塞部(202)侧壁上，可有用来安装橡胶密封圈的环形槽(2021)，橡胶密封圈安 装在环形槽(2021)内。
实施例5
本实施例的一种稳流传输系统，包括实施例1-4任意一个实施例中的稳流液压泵(5)，还包括机械驱动装置(6)。所述机械驱动装置(6)包括齿轮轴(601)、驱动杆(602)和驱动臂(603)。所述驱动臂(603)上非同轴设置有用于安装齿轮轴(601)的齿轮轴连接部(6031)和驱动杆连接部(6032)。所述驱动杆连接部(6032)为位于驱动臂一侧凸起的柱体结构或孔。所述驱动臂(603)和稳流液压泵(5)各有相同的两个，两个稳流液压泵(5)沿液压杆(2)运动方向相互平行固定设置。齿轮轴(601)设置于两个稳流液压泵(5)之间并与液压杆(2)运动方向垂直，且两个稳流液压泵(5)与齿轮轴(601)均相对固定设置。所述齿轮轴(601)包括齿轮部(6011)、支撑部(6012)和驱动臂连接部(6013)。所述支撑部(6012)有两个，分别同轴设置于齿轮部(6011)两侧齿轮轴中心位置上。所述驱动臂连接部(6013)位于支撑部(6012)端部。所述两个驱动臂(603)分别安装于齿轮轴(601)两端；且安装后，一个驱动臂(603)上的齿轮轴连接部(6031)与驱动杆连接部(6032)之间的连线与另一个驱动臂(603)上的齿轮轴连接部(6031)与驱动杆连接部(6032)之间的连线相互垂直。所述驱动杆(602)有两个，且分别安装于位于同侧的稳流液压泵(5)上的传动设备连接结构(2011)与驱动臂(603)上的驱动杆连接部(6032)上；相应的，驱动臂(603)上的齿轮轴连接部(6031)中心与驱动杆连接部(6031)中心之间的距离不大于液压杆(2)的行程的一半。所述两个稳流液压泵(5)上的四个进油嘴(401)通过五通油管相互连通；所述两个稳流液压泵(5)上的四个出油嘴(402)通过五通油管相互连通。当齿轮轴(601)转动时，两个驱动臂(603)通过连接在驱动臂上的驱动杆(602)分别驱动位于同侧的稳流液压泵(5)，通过两个驱动臂(603)上的驱动杆连接部(6032)在做圆周运动时，分别驱动一个稳流液压泵(5)，并通过将两个稳流液压泵(5)的进油嘴(401)相互连接，同时将出油嘴(402)相互连接，进行相互补偿，使得驱动杆(602)的循环波浪形波形输出经由两个稳流液压泵(5)相互补偿转换为稳流输入输出。
本实施例的一种稳流传输系统可以用来作为稳流输送泵。
实施例6
本实施例的一种稳流传输系统主体结构与实施例5基本形同，其不同之处在于：还包括支架(7)。所述支架(7)包括支架基座(701)和压板(702)。所述支架基座上有可容纳齿轮部(6011)的槽(7011)。所述支架基座位于槽两侧壁上部各有一个半圆形槽；相应的，压板上有与两侧壁上部的槽相同的半圆形槽。压板固定可拆卸连接于支架基座两侧壁相应位置上，以 形成齿轮轴安装孔。所述支撑部(6012)穿过孔(702)与驱动臂连接部(6013)固定可拆卸连接。以便齿轮轴的拆装。

Claims (10)

  1. 一种稳流液压泵，包括油缸(1)，液压杆(2)、盖板(3)和油嘴(4)，其特征在于：所述油缸(1)两端靠近端部位置各有两个与油缸内腔(101)相连通的油嘴(4)，且任一端的两个油嘴(4)分别为进油嘴(401)和出油嘴(402)；所述液压杆(2)包括驱动部(201)、活塞部(202)和平衡部(203)，所述驱动部(201)与平衡部(203)外径相同且分别位于活塞部(202)两端位置，所述活塞部(202)外径大于驱动部外径(201)；所述液压杆(2)安装于油缸(1)内；所述盖板(3)安装于油缸(1)端部以密封油缸(1)，所述盖板(3)与油缸(1)之间可设置有密封圈；所述盖板(3)上有与驱动部(201)外径相适应的开孔(301)；所述驱动部(201)与活塞部(202)的总长度及活塞部(202)与平衡部(203)的总长度皆大于油缸内腔(101)长度；所述驱动部(201)上有用于连接传动设备的传动设备连接结构(2011)。
  2. 根据权利要求1所述的一种稳流液压泵，其特征在于：所述分别位于油缸两端的两个进油嘴(401)可通过三通油管相互连通；相应的，两个出油嘴(402)亦可通过三通油管相互连通。
  3. 根据权利要求1所述的一种稳流液压泵，其特征在于：所述油缸(1)两端开口，且两端开口内径均与活塞部(202)外径相适应，以便于将液压杆(2)装入油缸(1)。
  4. 根据权利要求1所述的一种稳流液压泵，其特征在于：所述油缸(1)两端开口，其中一端开口内径与活塞部(202)外径相适应；另一端开口内径与平衡部(203)外径相适应。
  5. 根据权利要求4所述的一种稳流液压泵，其特征在于：所述油缸上，有缸底凸起结构(102)；所述缸底凸起结构(102)位于油缸开口内径与平衡部(203)外径相适应的一端的内壁上；位于此端的两个油嘴与油缸底面的距离均小于缸底凸起结构(102)的高度。
  6. 根据权利要求3或5任意一项所述的一种稳流液压泵，其特征在于：在所述盖板(3)与油缸内腔(101)相应位置上，有外径小于油缸内径(101)的盖板侧凸起结构(302)；所述盖板侧凸起结构(302)在盖板(3)安装于油缸(1)上时，完全处于油缸内腔(101)内部；且与之相对应的两个油嘴，与盖板(3)的距离，均小于盖板侧凸起结构(302)的高度。
  7. 根据权利要求6所述的一种稳流液压泵，其特征在于：所述的油嘴(4)分别位于相应的盖板侧凸起结构(302)或缸底凸起结构(102)与油缸内腔的缝隙处。
  8. 根据权利要求7所述的一种稳流液压泵，其特征在于：还包括橡胶密封圈；所述活塞部(202)沿侧壁可有用来安装橡胶密封圈的环形槽(2021)，橡胶密封圈安装在环形槽(2021)内。
  9. 一种使用权利要求1-5中任一项所述的一种稳流液压泵的一种稳流传输系统，包括稳流液压泵(5)，其特征在于：还包括机械驱动装置(6)；所述机械驱动装置(6)包括齿轮轴(601)、驱动杆(602)和驱动臂(603)；所述驱动臂(603)上非同轴设置有用于安装齿轮轴(601) 的齿轮轴连接部(6031)和驱动杆连接部(6032)；所述驱动臂(603)和稳流液压泵(5)各有相同的两个，两个稳流液压泵沿液压杆运动方向相互平行固定设置；齿轮轴(601)设置于两个稳流液压泵(5)之间且与液压杆(2)运动方向垂直；所述两个驱动臂(603)分别安装于齿轮轴(601)两端，且安装后，一个驱动臂(603)上的齿轮轴连接部(6031)与驱动杆连接部(6032)之间的连线与另一个驱动臂(603)上的齿轮轴连接部(6031)与驱动杆连接部(6032)之间的连线相互垂直；所述驱动杆(602)有两个，且分别安装于位于同侧的稳流液压泵(5)上的传动设备连接结构(2011)与驱动臂(603)上的驱动杆连接部(6032)上；相应的，驱动臂(603)上的齿轮轴连接部(6031)中心与驱动杆连接部(6031)中心之间的距离不大于液压杆的行程的一半；所述两个稳流液压泵(5)上的四个进油嘴(401)通过五通油管相互连通；所述两个稳流液压泵(5)上的四个出油嘴(402)通过五通油管相互连通；
    当齿轮轴(601)转动时，两个驱动臂(603)通过连接在驱动臂上的驱动杆(602)分别驱动位于同侧的稳流液压泵(5)；通过两个驱动臂(603)上的驱动杆连接部(6032)在做圆周运动时，分别驱动一个稳流液压泵(5)；
    通过将两个稳流液压泵(5)的四个进油嘴(401)相互连接，同时将四个出油嘴(402)相互连接，将单缸的波浪形输出，通过双缸补偿转化为循环矩形波形输出，再通过往复运动双向补偿，最终实现稳流输入输出。
  10. 根据权利要求9所述的一种稳流传输系统，其特征在于：还包括支架(7)；所述齿轮轴(601)包括齿轮部(6011)、支撑部(6012)和驱动臂连接部(6013)；所述支架(7)包括支架基座(701)和压板(702)，所述支架基座上有可容纳齿轮部(6011)的槽(7011)，所述支架基座位于槽两侧壁上部各有一个半圆形槽；相应的，压板上有两侧壁上部的槽相同的半圆形槽；压板固定可拆卸连接与支架基座两侧壁相应位置，以形成齿轮轴安装孔；所述支撑部(6012)穿过孔(702)与支架(7)固定可拆卸连接，以便齿轮轴的拆装。
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