WO2022193568A1 - Hydraulic motor - Google Patents

Abstract

A hydraulic motor, comprising a housing (5) and an output shaft (1). The output shaft (1) is sequentially sleeved with a front valve plate (6), a front compensation plate (7), a planetary gear mechanism, a rear compensation plate (12), and a rear valve plate (13). The front valve plate (6), the front compensation plate (7), the planetary gear mechanism, the rear compensation plate (12), and the rear valve plate (13) are all located in the housing (5). The planetary gear mechanism comprises a central gear (11), a planetary gear (10), and an inner gear ring (9), the central gear (11) is fixedly connected to the output shaft (1), the planetary gear (10) is engaged with the central gear (11), and the inner gear ring (9) is fixed to the housing (5) and engaged with the planetary gear (10). The front valve plate (6) is pressed on the front compensation plate (7), the front compensation plate (7) is pressed on the front end surface of the planetary gear mechanism, the rear compensation plate (12) is pressed on the rear end surface of the planetary gear mechanism, and the rear valve plate (13) is pressed on the rear compensation plate (12). A plurality of valve holes (20) are provided on each of the front valve plate (6) and the rear valve plate (13), and a plurality of flow passing holes (21) are provided on each of the front compensation plate (7) and the rear compensation plate (12). The hydraulic motor has the advantage of high working efficiency.

Description

液压马达hydraulic motor

相关申请的交叉引用CROSS-REFERENCE TO RELATED APPLICATIONS

本申请要求申请号为202110281723.3、申请日为2021年03月16日的中国专利申请的优先权和权益，上述中国专利申请的全部内容在此通过引用并入本申请。This application claims the priority and rights of the Chinese patent application with the application number of 202110281723.3 and the filing date of March 16, 2021. The entire contents of the above Chinese patent application are hereby incorporated by reference into this application.

技术领域technical field

本申请涉及液压技术领域，尤其涉及一种液压马达。The present application relates to the field of hydraulic technology, and in particular, to a hydraulic motor.

背景技术Background technique

目前，煤矿、冶金、船舶、海洋工程、化工等行业有大量工作需要低速大扭矩的动力设备、工具来完成。其中，液压马达是煤矿井下采煤工作的液压回转设备的关键部件，液压马达可以采用乳化液或纯水作为传动介质。At present, a large amount of work in coal mining, metallurgy, shipbuilding, marine engineering, chemical industry and other industries requires low-speed and high-torque power equipment and tools to complete. Among them, the hydraulic motor is the key component of the hydraulic rotary equipment for coal mining in the coal mine, and the hydraulic motor can use emulsion or pure water as the transmission medium.

相关技术中的液压马达通过密封板的配流孔进入密封板与非圆行星齿轮机构的流体沿着输出轴轴向流出，损坏轴承，较难建立起压力，无法使乳化液马达正常工作。发明人在实现发明创造的过程中发现，现有的液压马达的技术并不成熟，其结构本身存在很大的缺陷，使用寿命短，特别两端轴承损坏严重，未能在行业上广泛应用。因此，非常有必要研发新的高水基液压马达技术，克服目前高水基液压马达的缺陷，推动技术进步。In the hydraulic motor in the related art, the fluid entering the sealing plate and the non-circular planetary gear mechanism through the distribution hole of the sealing plate flows out along the output shaft axially, which damages the bearing, makes it difficult to build up pressure, and cannot make the emulsion motor work normally. In the process of realizing the invention, the inventor found that the existing hydraulic motor technology is not mature, its structure itself has great defects, the service life is short, especially the bearings at both ends are seriously damaged, and it is not widely used in the industry. Therefore, it is very necessary to develop new high-water-based hydraulic motor technology to overcome the defects of current high-water-based hydraulic motors and promote technological progress.

申请内容Application content

有鉴于此，本申请旨在至少在一定程度上解决相关技术中的技术问题之一，以推动高水基液压马达技术的进步。In view of this, the present application aims to solve one of the technical problems in the related art at least to a certain extent, so as to promote the progress of the high water-based hydraulic motor technology.

为此，本申请的实施例提出一种液压马达，包括：To this end, the embodiments of the present application propose a hydraulic motor, including:

壳体，所述壳体形成有前通道和后通道；a housing formed with a front channel and a rear channel;

输出轴，所述输出轴上顺次套设有前配流盘、前补偿板、行星齿轮机构、后补偿板以及后配流盘；an output shaft, which is sequentially sleeved with a front distribution plate, a front compensation plate, a planetary gear mechanism, a rear compensation plate and a rear distribution plate;

所述前配流盘、所述前补偿板、所述行星齿轮机构、所述后补偿板以及所述后配流盘均位于所述壳体内，所述行星齿轮机构包括：中心轮、行星轮以及内齿圈，所述中心轮与所述输出轴固定连接，所述行星轮与所述中心轮啮合，所述内齿圈与所述壳体固定，并与所述行星轮啮合；The front distribution plate, the front compensation plate, the planetary gear mechanism, the rear compensation plate and the rear distribution plate are all located in the housing, and the planetary gear mechanism includes: a central wheel, a planetary wheel and an inner a ring gear, the central gear is fixedly connected with the output shaft, the planetary gear is meshed with the central gear, the inner gear is fixed with the housing, and is meshed with the planetary gear;

所述前配流盘压在所述前补偿板上，所述前补偿板压在所述行星齿轮机构的前端面，所述后补偿板在所述行星齿轮机构的后端面，所述后配流盘压在所述后补偿板上；The front distribution plate is pressed against the front compensation plate, the front compensation plate is pressed against the front end surface of the planetary gear mechanism, the rear compensation plate is on the rear end surface of the planetary gear mechanism, and the rear distribution plate is pressed against the front end surface of the planetary gear mechanism. pressed on the rear compensation plate;

所述前配流盘和所述后配流盘上均开设有多个配流孔，所述前补偿板和所述后补偿板 上均开设有多个通流孔，所述前通道、所述前配流盘的所述配流孔、所述前补偿板的所述通流孔、所述行星齿轮机构、所述后补偿板的所述通流孔、所述后配流盘的所述配流孔以及所述后通道依次连通。The front distribution plate and the rear distribution plate are both provided with a plurality of distribution holes, the front compensation plate and the rear compensation plate are both provided with a plurality of through holes, the front channel, the front distribution The distribution hole of the disc, the flow hole of the front compensation plate, the planetary gear mechanism, the flow hole of the rear compensation plate, the flow distribution hole of the rear distribution plate, and the The rear passages are connected in turn.

本申请实施例的液压马达至少具有以下有益效果：在配流盘和齿轮机构之间安装了补偿板，用于补偿因长期摩擦产生的间隙，液压马达经长期运转工作时，当行星齿轮机构和前补偿板之间产生间隙时，在高水基乳化液的压力作用下，所述前配流盘将所述前补偿板推向所述齿轮机构，使所述前补偿板抵在所述齿轮机构的端面，从而补偿因长期摩擦产生的间隙，不会造成乳化液大量地泄露，提高了效率，推动液压马达技术的进步。The hydraulic motor of the embodiment of the present application has at least the following beneficial effects: a compensation plate is installed between the valve plate and the gear mechanism to compensate for the gap caused by long-term friction, when the hydraulic motor operates for a long time, when the planetary gear mechanism and the front When there is a gap between the compensation plates, under the pressure of the high water-based emulsion, the front distribution plate pushes the front compensation plate toward the gear mechanism, so that the front compensation plate abuts on the end face of the gear mechanism, Therefore, it compensates for the gap generated by long-term friction, does not cause a large amount of emulsion leakage, improves the efficiency, and promotes the advancement of hydraulic motor technology.

在一些实施例中，所述中心轮的前端和后端均开设有第一密封槽，每个所述第一密封槽内均设置有密封铜垫和弹性圈，所述弹性圈位于所对应的第一密封槽的底部，并支撑所述密封铜垫，所述中心轮前端的所述密封铜垫挤压在所述前补偿板上，所述中心轮后端的所述密封铜垫挤压在所述后补偿板。In some embodiments, the front and rear ends of the center wheel are provided with first sealing grooves, each of the first sealing grooves is provided with a copper sealing gasket and an elastic ring, and the elastic rings are located in the corresponding The bottom of the first sealing groove supports the sealing copper pad, the sealing copper pad at the front end of the center wheel is squeezed on the front compensation plate, and the sealing copper pad at the rear end of the center wheel is squeezed on the front end. the rear compensation plate.

在一些实施例中，所述前配流盘的后端面开设有第二密封槽，所述后配流盘的前端面开设有第三密封槽，所述第二密封槽和所述第三密封槽内均设置有弹性密封圈。In some embodiments, a second sealing groove is formed on a rear end surface of the front distribution plate, a third sealing groove is formed on a front end surface of the rear distribution plate, and the second sealing groove and the third sealing groove are Both are provided with elastic sealing rings.

在一些实施例中，所述输出轴上还套设有密封板，所述密封板位于所述壳体内，并位于所述后配流盘的后端，所输送后配流盘与所述密封板密封配合。In some embodiments, a sealing plate is also sleeved on the output shaft, the sealing plate is located in the casing and is located at the rear end of the rear distribution plate, and the conveyed rear distribution plate is sealed with the sealing plate Cooperate.

在一些实施例中，所述壳体内的后端设置有螺母套，所述螺母套与所述壳体通过螺纹配合，所述密封板的后端配合在所述螺母套上，所述密封板上设置有后轴承，所述输出轴与所述后轴承的内圈固定配合。In some embodiments, the rear end of the housing is provided with a nut sleeve, the nut sleeve is screwed with the housing, the rear end of the sealing plate is fitted on the nut sleeve, and the sealing plate A rear bearing is arranged above, and the output shaft is fixedly matched with the inner ring of the rear bearing.

在一些实施例中，所述螺母套的后端设置有后盖，所述后盖与所述壳体之间密封。In some embodiments, the rear end of the nut sleeve is provided with a back cover, and the back cover is sealed with the housing.

在一些实施例中，所述壳体内的前端设置有前轴承和前轴承盖，所述前轴承盖与所述壳体密封连接，所述前轴承设置于所述前轴承盖内，并套设在所述输出轴上，所述输出轴与所述前轴承的内圈固定配合，所述前轴承盖和所述输出轴之间设置有防尘圈，所述防尘圈位于所述前轴承的前端。In some embodiments, a front bearing and a front bearing cover are provided at the front end of the housing, the front bearing cover is sealedly connected to the housing, and the front bearing is arranged in the front bearing cover and sleeved. On the output shaft, the output shaft is fixedly fitted with the inner ring of the front bearing, a dust ring is arranged between the front bearing cover and the output shaft, and the dust ring is located on the front bearing Front end.

在一些实施例中，所述前配流盘的配流孔与所述后配流盘的配流孔均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于所述前配流盘或所述后配流盘上的任意相邻的两个配流孔与所在圆周中心所形成的圆心角为30°；In some embodiments, the distribution holes of the front distribution plate and the distribution holes of the rear distribution plate are distributed and arranged along the circumference, and are on the same circumference in the axial projection; The central angle formed by any two adjacent distribution holes on the rear distribution plate and the center of the circumference is 30°;

所述前补偿板上的通流孔和所述后补偿板上的通流孔均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于所述前补偿板或所述后补偿板上的任意相邻的两个通流孔与所在圆周中心所形成的圆形角是30°。The flow holes on the front compensation plate and the flow holes on the rear compensation plate are distributed and arranged along the circumference, and are on the same circumference in the axial projection; located on the front compensation plate or the rear compensation plate The circular angle formed by any two adjacent through holes on the board and the center of the circle is 30°.

在一些实施例中，所述前补偿板和所述后补偿板采用青铜合金材料或具有防腐耐高温的工程塑料制成。In some embodiments, the front compensation plate and the rear compensation plate are made of bronze alloy material or engineering plastics with corrosion resistance and high temperature resistance.

在一些实施例中，所述中心轮与所述输出轴通过联轴柱销固定连接；所述前补偿板和所述后补偿板均通过圆柱定位销与所述内齿圈固定连接。In some embodiments, the center wheel and the output shaft are fixedly connected through a coupling pin; both the front compensation plate and the rear compensation plate are fixedly connected with the ring gear through a cylindrical positioning pin.

附图说明Description of drawings

图1是本申请一实施例中液压马达的剖面示意图；1 is a schematic cross-sectional view of a hydraulic motor in an embodiment of the present application;

图2是图1中局部放大视图A；Fig. 2 is a partial enlarged view A in Fig. 1;

图3是图1中局部放大视图B；Fig. 3 is a partial enlarged view B in Fig. 1;

图4是图1中局部放大视图C；Fig. 4 is a partial enlarged view C in Fig. 1;

图5是图1中所述前配流盘朝向所述齿轮机构的端面示意图；FIG. 5 is a schematic view of the end face of the front valve plate facing the gear mechanism in FIG. 1;

图6是图1中所述前补偿板朝向所述齿轮机构的端面示意图；FIG. 6 is a schematic view of the end face of the front compensation plate facing the gear mechanism in FIG. 1;

图7是图1中所述行星齿轮机构的结构示意图。FIG. 7 is a schematic structural diagram of the planetary gear mechanism in FIG. 1 .

附图标记：Reference number:

1.输出轴；2.前轴承盖；3.防尘圈；4.前轴承；5.壳体；6.前配流盘；7.前补偿板；8.圆柱定位销；9.内齿圈；10.行星轮；11.中心轮；110.第一密封槽；111.密封铜垫；112.弹性圈；12.后补偿板；13.后配流盘；14.密封隔板；15.螺母套；16.后轴承；17.联轴柱销；18.后盖；20.配流孔；21.通流孔；1. Output shaft; 2. Front bearing cover; 3. Dust ring; 4. Front bearing; 5. Housing; 6. Front valve plate; 7. Front compensation plate; 8. Cylindrical positioning pin; 9. Internal gear ring ; 10. Planetary wheel; 11. Center wheel; 110. First sealing groove; 111. Sealing copper gasket; 112. Elastic ring; 12. Rear compensation plate; 13. Rear valve plate; sleeve; 16. Rear bearing; 17. Coupling pin; 18. Rear cover; 20. Distribution hole; 21. Flow hole;

61.第二密封槽；131.第三密封槽。61. The second sealing groove; 131. The third sealing groove.

具体实施方式Detailed ways

下面详细描述本申请的实施例，所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元夹具必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present application, but should not be construed as a limitation to the present application. In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Axial, Radial, Circumferential, etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element fixture must have a specific orientation, with a specific orientation. The orientation configuration and operation are therefore not to be construed as limitations on the present application.

参阅图1，本实施方式提供一种液压马达，包括：壳体5和输出轴1，壳体5形成有前通道24和后通道25；输出轴1上顺次套设有前配流盘6、前补偿板7、行星齿轮机构、后补偿板12以及后配流盘13；前配流盘6、前补偿板7、行星齿轮机构、后补偿板12以及后配流盘13均位于壳体5内。参阅图7，行星齿轮机构为非圆行星齿轮机构，具体包括：中心轮11、行星轮10以及内齿圈9，中心轮11与输出轴1固定连接，行星轮10与中心轮11啮合，内齿圈9与壳体5固定，并与行星轮10啮合；前配流盘6压在前补偿板7上， 前补偿板7压在行星齿轮机构的前端面，后补偿板12在行星齿轮机构的后端面，后配流盘13压在后补偿板12上。1, this embodiment provides a hydraulic motor, including: a casing 5 and an output shaft 1, the casing 5 is formed with a front channel 24 and a rear channel 25; the output shaft 1 is sequentially sleeved with a front valve plate 6, Front compensation plate 7 , planetary gear mechanism, rear compensation plate 12 and rear distribution plate 13 ; front distribution plate 6 , front compensation plate 7 , planetary gear mechanism, rear compensation plate 12 and rear distribution plate 13 are all located in housing 5 . Referring to FIG. 7 , the planetary gear mechanism is a non-circular planetary gear mechanism, which specifically includes: a central wheel 11, a planetary wheel 10 and an inner gear 9, the central wheel 11 is fixedly connected with the output shaft 1, the planetary gear 10 meshes with the central wheel 11, and the inner The ring gear 9 is fixed to the housing 5 and meshes with the planetary gear 10; the front valve plate 6 is pressed on the front compensation plate 7, the front compensation plate 7 is pressed against the front end surface of the planetary gear mechanism, and the rear compensation plate 12 is pressed against the planetary gear mechanism. At the rear end, the rear valve plate 13 is pressed on the rear compensation plate 12 .

前配流盘6和后配流盘13上均开设有多个配流孔20，前补偿板7和后补偿板12上均开设有多个通流孔21，前通道24、前配流盘6的配流孔20、前补偿板7的通流孔21、行星齿轮机构、后补偿板12的通流孔21、后配流盘13的配流孔20以及后通道25依次连通。The front distribution plate 6 and the rear distribution plate 13 are both provided with a plurality of distribution holes 20 , the front compensation plate 7 and the rear compensation plate 12 are both provided with a plurality of through holes 21 , the front channel 24 and the flow distribution holes of the front distribution plate 6 20. The flow holes 21 of the front compensation plate 7, the planetary gear mechanism, the flow holes 21 of the rear compensation plate 12, the flow holes 20 of the rear flow distribution plate 13 and the rear channel 25 are communicated in sequence.

在使用过程中，进入所述壳体5的高水基乳化液依次经过所述配流孔20和所述通流孔21进入所述行星齿轮机构中，驱动所述行星齿轮机构的中心轮11转动，从而带动输出轴1转动；在所述乳化液的压力作用下，所述前配流盘6将所述前补偿板7推向所述行星齿轮机构，使所述前补偿板7抵在所述行星齿轮机构的前端面。同样，后配流盘13将后补偿板12推向行星齿轮机构，使后补偿板12抵在所述行星齿轮机构的后端面。During use, the high water-based emulsion entering the housing 5 enters the planetary gear mechanism through the distribution hole 20 and the through hole 21 in sequence, and drives the center wheel 11 of the planetary gear mechanism to rotate, thereby Drive the output shaft 1 to rotate; under the pressure of the emulsion, the front distribution plate 6 pushes the front compensation plate 7 toward the planetary gear mechanism, so that the front compensation plate 7 abuts against the planetary gear The front face of the mechanism. Likewise, the rear valve plate 13 pushes the rear compensation plate 12 toward the planetary gear mechanism, so that the rear compensation plate 12 abuts against the rear end surface of the planetary gear mechanism.

采用上述实施例的液压马达，在配流盘和齿轮机构之间安装了补偿板，用于补偿因长期摩擦产生的间隙，液压马达经长期运转工作时，当行星齿轮机构和前补偿板7之间产生间隙时，在高水基乳化液的压力作用下，所述前配流盘6将所述前补偿板7推向所述齿轮机构，使所述前补偿板7抵在所述齿轮机构的端面，从而补偿因长期摩擦产生的间隙，不会造成乳化液大量地泄露，提高了效率，推动液压马达技术的进步。后配流盘13和后补偿板12的作用与前配流盘6和前补偿板7相似，因此不予赘述。Using the hydraulic motor of the above embodiment, a compensation plate is installed between the valve plate and the gear mechanism to compensate for the gap caused by long-term friction. When the hydraulic motor operates for a long time, when the planetary gear mechanism and the front compensation plate 7 When a gap is generated, under the pressure of the high water-based emulsion, the front distribution plate 6 pushes the front compensation plate 7 toward the gear mechanism, so that the front compensation plate 7 abuts against the end face of the gear mechanism, thereby Compensate for the gap generated by long-term friction, without causing a large amount of emulsion leakage, improving efficiency and promoting the advancement of hydraulic motor technology. The functions of the rear distribution plate 13 and the rear compensation plate 12 are similar to those of the front distribution plate 6 and the front compensation plate 7 , so they will not be repeated.

在一个实施例中，参阅图2，中心轮11的前端和后端均开设有第一密封槽110，每个第一密封槽110内均设置有密封铜垫111和弹性圈112，弹性圈112位于所对应的第一密封槽110的底部，并支撑密封铜垫111，中心轮11前端的密封铜垫111挤压在前补偿板7上，中心轮11后端的密封铜垫111挤压在后补偿板12。两个密封铜垫111分别与前补偿板7、后补偿板12密封，阻止高水基乳化液沿着轴向泄漏。行星齿轮机构的中心轮11前、后两端面的第一密封槽110中的密封铜垫111随着长时间工作，密封铜垫111出现磨损，在弹性圈112的弹力作用下，确保两个密封铜垫111分别与前补偿板7、后补偿板12保持密封接触，保证了运行的可靠性。In one embodiment, referring to FIG. 2 , the front and rear ends of the center wheel 11 are provided with first sealing grooves 110 , and each first sealing groove 110 is provided with a sealing copper gasket 111 and an elastic ring 112 , and the elastic ring 112 It is located at the bottom of the corresponding first sealing groove 110 and supports the sealing copper pad 111. The sealing copper pad 111 at the front end of the center wheel 11 is squeezed on the front compensation plate 7, and the sealing copper pad 111 at the rear end of the center wheel 11 is squeezed on the rear. Compensation plate 12 . The two sealing copper pads 111 are respectively sealed with the front compensation plate 7 and the rear compensation plate 12 to prevent the high water-based emulsion from leaking along the axial direction. The sealing copper pads 111 in the first sealing grooves 110 on the front and rear end surfaces of the center wheel 11 of the planetary gear mechanism wear for a long time. Under the elastic force of the elastic ring 112, the two sealing The copper pads 111 are in sealing contact with the front compensation board 7 and the rear compensation board 12 respectively, so as to ensure the reliability of operation.

在一个实施例中，参阅图3和图4，前配流盘6的后端面开设有第二密封槽61，后配流盘13的前端面开设有第三密封槽131，第二密封槽61和第三密封槽131内均设置有弹性密封圈。In one embodiment, referring to FIGS. 3 and 4 , a second sealing groove 61 is formed on the rear end surface of the front distribution plate 6 , a third sealing groove 131 is formed on the front end surface of the rear distribution plate 13 , the second sealing groove 61 and the An elastic sealing ring is arranged in each of the three sealing grooves 131 .

在一个实施例中，参阅图1，输出轴1上还套设有密封板14，密封板14位于壳体5内，并位于后配流盘13的后端，所输送后配流盘13与密封板14密封配合。壳体5内的后端设置有螺母套15，螺母套15与壳体5通过螺纹配合，密封板14的后端配合在螺母套15上，密封板14上设置有后轴承16，输出轴1与后轴承16的内圈固定配合。螺母套15的后端设置有后盖18，后盖18与壳体5之间密封。螺母套15起压紧作用，从而提高液压马达工 作运行可靠，输出功率高，使用寿命长，可以满足易燃易爆等危险场合要求的需要。In one embodiment, referring to FIG. 1 , a sealing plate 14 is also sleeved on the output shaft 1 . The sealing plate 14 is located in the housing 5 and is located at the rear end of the rear distribution plate 13 , and the rear distribution plate 13 and the sealing plate are conveyed. 14 Seal fit. The rear end of the housing 5 is provided with a nut sleeve 15, the nut sleeve 15 is matched with the housing 5 through threads, the rear end of the sealing plate 14 is fitted on the nut sleeve 15, the sealing plate 14 is provided with a rear bearing 16, and the output shaft 1 It is fixedly matched with the inner ring of the rear bearing 16 . The rear end of the nut sleeve 15 is provided with a rear cover 18 , and the rear cover 18 is sealed with the housing 5 . The nut sleeve 15 plays a compressing role, thereby improving the hydraulic motor's reliable operation, high output power and long service life, which can meet the requirements of inflammable and explosive dangerous occasions.

在一个实施例中，参阅图1，壳体5内的前端设置有前轴承4和前轴承盖2，前轴承盖2与壳体5密封连接，前轴承4设置于前轴承盖2内，并套设在输出轴1上，输出轴1与前轴承4的内圈固定配合，前轴承盖2和输出轴1之间设置有防尘圈3，防尘圈3位于前轴承4的前端。In one embodiment, referring to FIG. 1 , the front end of the housing 5 is provided with a front bearing 4 and a front bearing cover 2 , the front bearing cover 2 is sealedly connected with the housing 5 , the front bearing 4 is arranged in the front bearing cover 2 , and It is sleeved on the output shaft 1 , the output shaft 1 is fixedly matched with the inner ring of the front bearing 4 , a dust ring 3 is arranged between the front bearing cover 2 and the output shaft 1 , and the dust ring 3 is located at the front end of the front bearing 4 .

在一个实施例中，参阅图5和图6，前配流盘6的配流孔20与后配流盘13的配流孔20均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于前配流盘6或后配流盘13上的任意相邻的两个配流孔20与所在圆周中心所形成的圆心角为30°；前补偿板7上的通流孔21和后补偿板12上的通流孔21均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于前补偿板7或后补偿板12上的任意相邻的两个通流孔21与所在圆周中心所形成的圆形角是30°。In one embodiment, referring to FIG. 5 and FIG. 6 , the distribution holes 20 of the front distribution plate 6 and the distribution holes 20 of the rear distribution plate 13 are distributed and arranged along the circumference, and are on the same circumference in the axial projection; The central angle formed by any two adjacent distribution holes 20 on the distribution plate 6 or the rear distribution plate 13 and the center of the circumference is 30°; The flow holes 21 are distributed and arranged along the circumference, and are on the same circumference in the axial projection; any two adjacent flow holes 21 located on the front compensation plate 7 or the rear compensation plate 12 and the center of the circumference are formed. The rounded corners are 30°.

在一个实施例中，前补偿板7和后补偿板12采用青铜合金材料或具有防腐耐高温的工程塑料制成。保证前补偿板7和后补偿板12具有一定防腐耐磨性能，从而进一步提升运行的稳定性和工作效率。In one embodiment, the front compensation plate 7 and the rear compensation plate 12 are made of bronze alloy material or engineering plastics with corrosion resistance and high temperature resistance. It is ensured that the front compensating plate 7 and the rear compensating plate 12 have certain anti-corrosion and wear-resisting properties, thereby further improving the operation stability and work efficiency.

参阅图1，中心轮11与输出轴1通过联轴柱销17固定连接；前补偿板7和后补偿板12均通过圆柱定位销8与内齿圈9固定连接。Referring to FIG. 1 , the center wheel 11 is fixedly connected with the output shaft 1 through the coupling pin 17 ; the front compensation plate 7 and the rear compensation plate 12 are fixedly connected with the inner gear 9 through the cylindrical positioning pin 8 .

综上所述，采用本申请实施例所提供的液压马达具有以下有益效果：在配流盘和行星齿轮机构之间安装了补偿板，用于补偿因长期摩擦产生的间隙；在行星齿轮机构的中心轮前、后两端面开设有密封槽，放置密封铜垫和弹性圈，分别与前、后补偿板密封，阻止高水基乳化液沿着轴向泄漏，损坏轴承；在密封隔板内设置有后轴承，螺母套起压紧作用，消除螺母套螺纹定位不准，造成前、后轴承不同轴心，从而提高高水基液压马达工作运行可靠，输出功率高，使用寿命长，可以满足易燃易爆等危险场合要求的需要。In summary, the use of the hydraulic motor provided by the embodiments of the present application has the following beneficial effects: a compensation plate is installed between the valve plate and the planetary gear mechanism to compensate for the gap caused by long-term friction; in the center of the planetary gear mechanism There are sealing grooves on the front and rear ends of the wheel, and the sealing copper pads and elastic rings are placed to seal with the front and rear compensation plates respectively to prevent the high water-based emulsion from leaking along the axial direction and damage the bearings; rear bearings are arranged in the sealing partitions , The nut sleeve acts as a compression, eliminating the inaccurate positioning of the nut sleeve thread, resulting in different axes of the front and rear bearings, thereby improving the reliable operation of the high water-based hydraulic motor, high output power, and long service life, which can meet the dangers of flammability and explosion. occasion demands.

下面参阅图1-图7，介绍一具体实施例中的液压马达。1-7, the hydraulic motor in a specific embodiment will be introduced.

结合图1-3所示，本实施例所提供的液压马达至少包括：壳体5、输出轴1、轴承压盖2、后盖18、行星齿轮机构、前配流盘6、后配流盘13、前补偿板7、后补偿板12、密封隔14及螺母套15。其中，所述行星齿轮机构包括内齿圈9、行星轮10和中心轮11。1-3, the hydraulic motor provided in this embodiment at least includes: a casing 5, an output shaft 1, a bearing press cover 2, a rear cover 18, a planetary gear mechanism, a front valve plate 6, a rear valve plate 13, The front compensation plate 7 , the rear compensation plate 12 , the sealing spacer 14 and the nut sleeve 15 . Wherein, the planetary gear mechanism includes a ring gear 9 , a planetary wheel 10 and a sun wheel 11 .

马达壳体5的形状为近似圆柱体的结构，输出轴1沿轴向可转动地穿设于马壳体5中，即输出轴1的轴向与壳体5的轴向一致。输出轴1与壳体5之间可以进行相对转动，即输出轴1转动时并不带动壳体5转动。输出轴1的第一端(图1中的上端)伸出壳体5，用于连接待驱动部件；输出轴1的第二端(图1中的下端)通过后盖18封闭在壳体5中。The shape of the motor housing 5 is approximately a cylindrical structure, and the output shaft 1 is rotatably inserted through the horse housing 5 along the axial direction, that is, the axial direction of the output shaft 1 is consistent with the axial direction of the housing 5 . Relative rotation is possible between the output shaft 1 and the casing 5, that is, the output shaft 1 does not drive the casing 5 to rotate when the output shaft 1 rotates. The first end (the upper end in FIG. 1 ) of the output shaft 1 protrudes out of the housing 5 for connecting the components to be driven; the second end (the lower end in FIG. 1 ) of the output shaft 1 is closed in the housing 5 through the rear cover 18 middle.

行星齿轮机构、前配流盘6、后配流盘13、前补偿板7以及后补偿板12均位于壳体5中，并且均共轴套设于输出轴1上。行星齿轮机构与输出轴1通过联轴柱销17固定连接， 用于在高水基乳化液的作用下驱动输出轴1转动；前配流盘6、后配流盘13、前补偿板7以及后补偿板12均与马达壳体5保持固定，在输出轴1转动时，前配流盘6、后配流盘13、前补偿板7以及后补偿板12不随输出轴1转动，而是与壳体5保持固定。前补偿板7位于前配流盘6和齿轮机构之间，前配流盘6上开设有配流孔20，前补偿板7上开设有与配流孔20对应的通流孔21，配流孔20与通流孔21一一对应地对齐设置。The planetary gear mechanism, the front distribution plate 6 , the rear distribution plate 13 , the front compensation plate 7 and the rear compensation plate 12 are all located in the housing 5 and are sleeved on the output shaft 1 coaxially. The planetary gear mechanism and the output shaft 1 are fixedly connected through the coupling pin 17, which is used to drive the output shaft 1 to rotate under the action of the high water-based emulsion; the front distribution plate 6, the rear distribution plate 13, the front compensation plate 7 and the rear compensation plate 12 They are all fixed with the motor housing 5 . When the output shaft 1 rotates, the front valve plate 6 , the rear valve plate 13 , the front compensation plate 7 and the rear compensation plate 12 do not rotate with the output shaft 1 , but remain fixed with the casing 5 . The front compensation plate 7 is located between the front distribution plate 6 and the gear mechanism. The front distribution plate 6 is provided with a distribution hole 20 , and the front compensation plate 7 is provided with a flow hole 21 corresponding to the flow distribution hole 20 . The holes 21 are aligned in one-to-one correspondence.

壳体5内设置两个配流盘，分别是前配流盘6和后配流盘13；壳体5内还设置两个补偿板，分别是前补偿板7和后补偿板12。前配流盘6和后配流盘13分别位于齿轮机构沿轴向上的两端，前补偿板7位于前配流盘6和行星齿轮机构之间，后补偿板12位于后配流盘13和行星齿轮机构之间。壳体5上开设有前通道24和后通道25，前通道24与前配流盘6上的配流孔20连通，后通道25与后配流盘13上的通流孔21连通。Two distribution plates are arranged in the housing 5 , which are the front distribution plate 6 and the rear distribution plate 13 respectively; The front distribution plate 6 and the rear distribution plate 13 are respectively located at both ends of the gear mechanism along the axial direction, the front compensation plate 7 is located between the front distribution plate 6 and the planetary gear mechanism, and the rear compensation plate 12 is located between the rear distribution plate 13 and the planetary gear mechanism. between. The housing 5 is provided with a front channel 24 and a rear channel 25 , the front channel 24 communicates with the distribution holes 20 on the front distribution plate 6 , and the rear channel 25 communicates with the through holes 21 on the rear distribution plate 13 .

高水基乳化液的流动路径可以有两种情况：第一种情况是从前通道24进入壳体5，依次经过前配流盘6上的配流孔20、前补偿板7上的通流孔21，进入行星齿轮机构中，驱动非圆行星齿轮机构的中心轮11运行，从而驱动输出轴1转动，高水基乳化液流出行星齿轮机构后，依次经过后补偿板12上的通流孔21、后配流盘13上的配流孔20，最后从后通道25流出壳体5；第二种情况是乳化液从后通道25进入壳体6，依次经过后配流盘13上的配流孔20、后补偿板12上的通流孔21，进入行星齿轮机构中，驱动非圆行星齿轮机构的中心轮11运行，从而驱动输出轴1转动，高水基乳化液流出非圆行星齿轮机构后，依次经过前补偿板7上的通流孔21、前配流盘6上的配流孔20，最后从前乳化液通道24流出壳体5。这种设计一方面保证了行星齿轮机构的两端均能够实现补偿，保证密封；另一方面能够满足各种不同工况的需求，适应范围更广。The flow path of the high water-based emulsion can be in two cases: the first case is that it enters the shell 5 from the front channel 24, passes through the distribution hole 20 on the front distribution plate 6 and the flow hole 21 on the front compensation plate 7 in turn, and enters the planet. In the gear mechanism, the central wheel 11 of the non-circular planetary gear mechanism is driven to run, thereby driving the output shaft 1 to rotate. After the high water-based emulsion flows out of the planetary gear mechanism, it passes through the through-flow holes 21 on the rear compensation plate 12 and the rear distribution plate 13 in turn. In the second case, the emulsion enters the casing 6 from the rear channel 25, and passes through the distribution holes 20 on the rear distribution plate 13 and the through holes on the rear compensation plate 12 in turn. The flow hole 21 enters the planetary gear mechanism, and drives the center wheel 11 of the non-circular planetary gear mechanism to run, thereby driving the output shaft 1 to rotate. The holes 21 and the distribution holes 20 on the front distribution plate 6 finally flow out of the casing 5 through the front emulsion channel 24 . On the one hand, this design ensures that both ends of the planetary gear mechanism can achieve compensation and ensure sealing; on the other hand, it can meet the needs of various working conditions and has a wider range of adaptation.

前配流盘6上的配流孔20个数与前补偿板7上的通流孔21个数相等，并且一一对齐；后配流盘13上的配流孔20个数与后补偿板12上的通流孔21个数相等，并且一一对齐。前配流盘6上的配流孔20大小与前补偿板7上的通流孔21大小相等；后配流盘13上的配流孔20大小与后补偿板12上的通流孔21大小相等。这种设计能够保证乳化液通畅地流动，从而保证运行的稳定性。The number of 20 distribution holes on the front distribution plate 6 is equal to the number of 21 through holes on the front compensation plate 7, and they are aligned one by one; The 21 orifices are equal in number and aligned one by one. The size of the distribution holes 20 on the front distribution plate 6 is equal to the size of the through holes 21 on the front compensation plate 7 ; This design ensures smooth flow of the emulsion, thus ensuring operational stability.

行星齿轮机构通过联轴柱销17固定安装在输出轴1上。壳体5前端与前轴承盖2通过螺钉连接固定，壳体5内安装有前轴承4。为了防止外界杂物进入乳化液马达内损坏前轴承4，在前轴承盖2内装有防尘圈3，壳体5后端与螺母套15通过螺纹连接，螺母套15与后盖18通过螺钉连接固定，螺母套15与后配流盘13之间安装有密封隔板14，密封隔板14内设置有后轴承16，螺母套15起压紧作用，消除螺母套15螺纹定位不准而造成前、后轴承不同轴心的问题，从而提高轴承寿命。为了防止外界杂物侵入乳化液马达体内，损坏后轴承16，后盖18上装有O型密封圈。行星齿轮机构在高压流体作用下，带动输出轴1 旋转运动，将液压能转换成旋转机械能。The planetary gear mechanism is fixedly mounted on the output shaft 1 through the coupling pin 17 . The front end of the housing 5 and the front bearing cover 2 are connected and fixed by screws, and the front bearing 4 is installed in the housing 5 . In order to prevent foreign debris from entering the emulsion motor and damaging the front bearing 4, a dust ring 3 is installed in the front bearing cover 2, the rear end of the housing 5 is connected with the nut sleeve 15 by screws, and the nut sleeve 15 and the rear cover 18 are connected by screws Fixed, a sealing baffle 14 is installed between the nut sleeve 15 and the rear valve plate 13, and a rear bearing 16 is arranged in the sealing baffle 14. The nut sleeve 15 acts as a pressing force to eliminate the front, the The problem of the different axis of the rear bearing, thereby improving the bearing life. In order to prevent external sundries from intruding into the body of the emulsion motor and damaging the rear bearing 16 , an O-ring is installed on the rear cover 18 . Under the action of high-pressure fluid, the planetary gear mechanism drives the output shaft 1 to rotate, converting hydraulic energy into rotational mechanical energy.

前配流盘6上朝向前补偿板7的一面设置有两道密封槽，两道密封槽中均设置有密封圈，前配流盘6上的配流孔20均位于两道密封槽22之间；后配流盘13上朝向后补偿板12的一面设置有两道密封槽，两道密封槽中均设置有密封圈，后配流盘13上的配流孔20均位于两道密封槽22之间。通过前配流盘6上配流孔20的流体径向流动被两道密封圈密封，高水基乳化液只能流入前补偿板7上的通流孔21；后配流盘13的前端面设置两道密封槽，放置密封圈，将后配流盘13上的配流孔20封闭在这两道密封槽之内，通过后补偿板12上的通流孔21流体径向流动被两道密封圈密封，高水基乳化液只能流入后配流盘13的配流孔20。采用这种设计，一方面保证了密封性，另一方面进一步保证了乳化液的流动路径，使设备运行更加稳定，提高了运行效率。The front distribution plate 6 is provided with two sealing grooves on the side facing the front compensation plate 7, both of which are provided with sealing rings, and the distribution holes 20 on the front distribution plate 6 are located between the two sealing grooves 22; The side of the distribution plate 13 facing the rear compensation plate 12 is provided with two sealing grooves, both of which are provided with sealing rings. The radial flow of the fluid passing through the distribution holes 20 on the front distribution plate 6 is sealed by two sealing rings, and the high water-based emulsion can only flow into the through holes 21 on the front compensation plate 7; the front end surface of the rear distribution plate 13 is provided with two sealing grooves , place the sealing ring, and seal the distribution hole 20 on the rear distribution plate 13 in the two sealing grooves, and the radial flow of the fluid through the through hole 21 on the rear compensation plate 12 is sealed by the two sealing rings, and the high water-based emulsion It can only flow into the distribution hole 20 of the rear distribution plate 13 . With this design, on the one hand, the tightness is ensured, and on the other hand, the flow path of the emulsion is further ensured, so that the operation of the equipment is more stable and the operation efficiency is improved.

中心轮11与输出轴1通过联轴柱销17固定连接，前补偿板7和后补偿板12均通过圆柱定位销8与内齿圈9连接固定。非圆行星齿轮机构的中心轮11前、后两端面的两个第一密封槽内放置密封铜垫111和弹性圈112，随着密封铜垫111长时间工作出现磨损，在弹性圈112的弹力作用下，确保密封铜垫111与补偿板保持密封接触，保证了运行的可靠性，提高了效率。The center wheel 11 and the output shaft 1 are fixedly connected through the coupling pin 17 , and the front compensation plate 7 and the rear compensation plate 12 are connected and fixed with the inner gear 9 through the cylindrical positioning pin 8 . The sealing copper gasket 111 and the elastic ring 112 are placed in the two first sealing grooves on the front and rear end surfaces of the center wheel 11 of the non-circular planetary gear mechanism. Under the action, it is ensured that the sealing copper pad 111 is in sealing contact with the compensation plate, which ensures the reliability of operation and improves the efficiency.

优选地，前配流盘6和后配流盘13的密封槽中密封圈可以是弹性密封圈。在前配流盘6和后配流盘13的密封槽中弹性密封圈作用下，使前补偿板7和后补偿板12的各端面压向行星齿轮机构的前、后端面，补偿磨损的轴向间隙，有利于保证前补偿板7与行星齿轮机构前端面之间合理的轴向间隙和后补偿板12与行星齿轮机构后端面之间合理的轴向间隙，降低泄露量，提高马达容积效率，延长了高水基乳化液马达的使用寿命。这种设计能够有效地克服因前补偿板7端面与行星齿轮机构前端面、后补偿板12端面与行星齿轮后端面存在着磨损所造成轴向间隙过大，避免乳化液大量地泄露，提高效率。更进一步，乳化液马达工作过程中，在前配流盘6和后配流盘13上密封槽中的弹性密封圈作用下，前补偿板7、后补偿板12会进一步自动补偿与行星齿轮机构端面磨损的间隙，更有利于提高高水基乳化液马达使用寿命。前补偿板7和后补偿板12采用青铜合金材料制成，具有一定防腐耐磨性能，从而进一步提升运行的稳定性和工作效率。Preferably, the sealing rings in the sealing grooves of the front valve plate 6 and the rear valve plate 13 may be elastic sealing rings. Under the action of the elastic sealing rings in the sealing grooves of the front distribution plate 6 and the rear distribution plate 13, the end faces of the front compensation plate 7 and the rear compensation plate 12 are pressed against the front and rear surfaces of the planetary gear mechanism to compensate for the axial clearance of wear. , which is beneficial to ensure a reasonable axial clearance between the front compensation plate 7 and the front end surface of the planetary gear mechanism and a reasonable axial clearance between the rear compensation plate 12 and the rear end surface of the planetary gear mechanism, reduce leakage, improve motor volume efficiency, extend Extends the life of the high water-based emulsion motor. This design can effectively overcome the excessive axial clearance caused by the wear between the end surface of the front compensation plate 7 and the front end surface of the planetary gear mechanism, and the end surface of the rear compensation plate 12 and the rear end surface of the planetary gear, avoid a large amount of emulsion leakage, and improve the efficiency. . Furthermore, during the operation of the emulsion motor, under the action of the elastic sealing rings in the sealing grooves of the front distribution plate 6 and the rear distribution plate 13, the front compensation plate 7 and the rear compensation plate 12 will further automatically compensate for the wear on the end face of the planetary gear mechanism. The gap is more conducive to improving the service life of the high water-based emulsion motor. The front compensating plate 7 and the rear compensating plate 12 are made of bronze alloy material and have certain anti-corrosion and wear-resisting properties, thereby further improving the operation stability and work efficiency.

此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可 以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between the two components, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

在本申请中，除非另有明确的规定和限定，第一特征在第二特征“上”或“下”可以是第一和第二特征直接接触，或第一和第二特征通过中间媒介间接接触。而且，第一特征在第二特征“之上”、“上方”和“上面”可是第一特征在第二特征正上方或斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”可以是第一特征在第二特征正下方或斜下方，或仅仅表示第一特征水平高度小于第二特征。In this application, unless otherwise expressly stated and defined, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

在本申请中，术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., mean the specific features, structures, materials, or characteristics described in connection with the embodiment or example. Features are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

尽管上面已经示出和描述了本申请的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本申请的限制，本领域的普通技术人员在本申请的范围内可以对上述实施例进行变化、修改、替换和变型。Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations to the present application. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (10)

1. 一种液压马达，其特征在于，包括：A hydraulic motor, characterized in that it includes:

   壳体(5)，所述壳体(5)形成有前通道(24)和后通道(25)；a housing (5) formed with a front channel (24) and a rear channel (25);

   输出轴(1)，所述输出轴(1)上顺次套设有前配流盘(6)、前补偿板(7)、行星齿轮机构、后补偿板(12)以及后配流盘(13)；An output shaft (1), on which a front distribution plate (6), a front compensation plate (7), a planetary gear mechanism, a rear compensation plate (12) and a rear distribution plate (13) are sequentially sleeved ;

   所述前配流盘(6)、所述前补偿板(7)、所述行星齿轮机构、所述后补偿板(12)以及所述后配流盘(13)均位于所述壳体(5)内，所述行星齿轮机构包括：中心轮(11)、行星轮(10)以及内齿圈(9)，所述中心轮(11)与所述输出轴(1)固定连接，所述行星轮(10)与所述中心轮(11)啮合，所述内齿圈(9)与所述壳体(5)固定，并与所述行星轮(10)啮合；The front valve plate (6), the front compensation plate (7), the planetary gear mechanism, the rear compensation plate (12) and the rear valve plate (13) are all located in the housing (5) Inside, the planetary gear mechanism includes: a central wheel (11), a planetary wheel (10) and an inner gear (9), the central wheel (11) is fixedly connected with the output shaft (1), and the planetary gear (10) meshing with the central wheel (11), the inner gear (9) is fixed to the housing (5), and meshing with the planetary gear (10);

   所述前配流盘(6)压在所述前补偿板(7)上，所述前补偿板(7)压在所述行星齿轮机构的前端面，所述后补偿板(12)在所述行星齿轮机构的后端面，所述后配流盘(13)压在所述后补偿板(12)上；The front valve plate (6) is pressed on the front compensation plate (7), the front compensation plate (7) is pressed against the front end surface of the planetary gear mechanism, and the rear compensation plate (12) is pressed on the front end surface of the planetary gear mechanism. On the rear end face of the planetary gear mechanism, the rear valve plate (13) is pressed on the rear compensation plate (12);

   所述前配流盘(6)和所述后配流盘(13)上均开设有多个配流孔(20)，所述前补偿板(7)和所述后补偿板(12)上均开设有多个通流孔(21)，所述前通道(24)、所述前配流盘(6)的所述配流孔(20)、所述前补偿板(7)的所述通流孔(21)、所述行星齿轮机构、所述后补偿板(12)的所述通流孔(21)、所述后配流盘(13)的所述配流孔(20)以及所述后通道(25)依次连通。The front distribution plate (6) and the rear distribution plate (13) are provided with a plurality of distribution holes (20), and both the front compensation plate (7) and the rear compensation plate (12) are provided with a plurality of distribution holes (20). a plurality of through-flow holes (21), the front channel (24), the flow-distribution holes (20) of the front flow-distribution plate (6), and the flow-through holes (21) of the front compensation plate (7) ), the planetary gear mechanism, the through hole (21) of the rear compensation plate (12), the flow distribution hole (20) of the rear distribution plate (13), and the rear channel (25) Connect sequentially.
2. 根据权利要求1所述的液压马达，其特征在于，所述中心轮(11)的前端和后端均开设有第一密封槽(110)，每个所述第一密封槽(110)内均设置有密封铜垫(111)和弹性圈(112)，所述弹性圈(112)位于所对应的第一密封槽(110)的底部，并支撑所述密封铜垫(111)，所述中心轮(11)前端的所述密封铜垫(111)挤压在所述前补偿板(7)上，所述中心轮(11)后端的所述密封铜垫(111)挤压在所述后补偿板(12)。The hydraulic motor according to claim 1, characterized in that, first sealing grooves (110) are provided at the front and rear ends of the center wheel (11), and each of the first sealing grooves (110) is provided with a first sealing groove (110). A sealing copper gasket (111) and an elastic ring (112) are provided, the elastic ring (112) is located at the bottom of the corresponding first sealing groove (110), and supports the sealing copper gasket (111), and the center The sealing copper pad (111) at the front end of the wheel (11) is pressed on the front compensation plate (7), and the sealing copper pad (111) at the rear end of the center wheel (11) is pressed on the rear Compensation plate (12).
3. 根据权利要求2所述的液压马达，其特征在于，所述前配流盘(6)的后端面开设有第二密封槽(61)，所述后配流盘(13)的前端面开设有第三密封槽(131)，所述第二密封槽(61)和所述第三密封槽(131)内均设置有弹性密封圈。The hydraulic motor according to claim 2, characterized in that a second sealing groove (61) is formed on the rear end surface of the front valve plate (6), and a third sealing groove (61) is formed on the front end surface of the rear valve plate (13). The sealing groove (131), the second sealing groove (61) and the third sealing groove (131) are all provided with elastic sealing rings.
4. 根据权利要求3所述的液压马达，其特征在于，所述输出轴(1)上还套设有密封板(14)，所述密封板(14)位于所述壳体(5)内，并位于所述后配流盘(13)的后端，所输送后配流盘(13)与所述密封板(14)密封配合。The hydraulic motor according to claim 3, wherein the output shaft (1) is further sleeved with a sealing plate (14), the sealing plate (14) is located in the housing (5), and Located at the rear end of the rear distribution plate (13), the conveyed rear distribution plate (13) is in sealing fit with the sealing plate (14).
5. 根据权利要求4所述的液压马达，其特征在于，所述壳体(5)内的后端设置有螺母套(15)，所述螺母套(15)与所述壳体(5)通过螺纹配合，所述密封板(14)的后端 配合在所述螺母套(15)上，所述密封板(14)上设置有后轴承(16)，所述输出轴(1)与所述后轴承(16)的内圈固定配合。The hydraulic motor according to claim 4, characterized in that a nut sleeve (15) is provided at the rear end of the housing (5), and the nut sleeve (15) and the housing (5) are threaded through a thread Matching, the rear end of the sealing plate (14) is fitted on the nut sleeve (15), the sealing plate (14) is provided with a rear bearing (16), and the output shaft (1) is connected to the rear bearing (16). The inner ring of the bearing (16) is fixedly fitted.
6. 根据权利要求4所述的液压马达，其特征在于，所述螺母套(15)的后端设置有后盖(18)，所述后盖(18)与所述壳体(5)之间密封。The hydraulic motor according to claim 4, characterized in that a rear cover (18) is provided at the rear end of the nut sleeve (15), and the rear cover (18) is sealed with the casing (5). .
7. 根据权利要求4所述的液压马达，其特征在于，所述壳体(5)内的前端设置有前轴承(4)和前轴承盖(2)，所述前轴承盖(2)与所述壳体(5)密封连接，所述前轴承(4)设置于所述前轴承盖(2)内，并套设在所述输出轴(1)上，所述输出轴(1)与所述前轴承(4)的内圈固定配合，所述前轴承盖(2)和所述输出轴(1)之间设置有防尘圈(3)，所述防尘圈(3)位于所述前轴承(4)的前端。The hydraulic motor according to claim 4, characterized in that, a front bearing (4) and a front bearing cover (2) are provided at the front end of the housing (5), and the front bearing cover (2) is connected to the The casing (5) is sealed and connected, the front bearing (4) is arranged in the front bearing cover (2), and is sleeved on the output shaft (1), the output shaft (1) and the The inner ring of the front bearing (4) is fixedly matched, and a dust ring (3) is arranged between the front bearing cover (2) and the output shaft (1), and the dust ring (3) is located in the front Front end of bearing (4).
8. 根据权利要求1所述的液压马达，其特征在于，所述前配流盘(6)的配流孔(20)与所述后配流盘(13)的配流孔(20)均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于所述前配流盘(6)或所述后配流盘(13)上的任意相邻的两个配流孔(20)与所在圆周中心所形成的圆心角为30°；The hydraulic motor according to claim 1, characterized in that, the distribution holes (20) of the front distribution plate (6) and the distribution holes (20) of the rear distribution plate (13) are distributed along the circumference, and On the same circle in the axial projection; the center of the circle formed by any adjacent two distribution holes (20) on the front distribution plate (6) or the rear distribution plate (13) and the center of the circle where they are located The angle is 30°;

   所述前补偿板(7)上的通流孔(21)和所述后补偿板(12)上的通流孔(21)均沿圆周分布排列，并且在轴向投影上处在同一圆周上；位于所述前补偿板(7)或所述后补偿板(12)上的任意相邻的两个通流孔(21)与所在圆周中心所形成的圆形角是30°。The through holes (21) on the front compensation plate (7) and the through holes (21) on the rear compensation plate (12) are distributed and arranged along the circumference, and are on the same circumference in the axial projection ; The circular angle formed by any adjacent two through-flow holes (21) on the front compensation plate (7) or the rear compensation plate (12) and the center of the circumference is 30°.
9. 根据权利要求1所述的液压马达，其特征在于，所述前补偿板(7)和所述后补偿板(12)采用青铜合金材料或具有防腐耐高温的工程塑料制成。The hydraulic motor according to claim 1, wherein the front compensation plate (7) and the rear compensation plate (12) are made of bronze alloy material or engineering plastics with corrosion resistance and high temperature resistance.
10. 根据权利要求1所述的液压马达，其特征在于，所述中心轮(11)与所述输出轴(1)通过联轴柱销(17)固定连接；The hydraulic motor according to claim 1, wherein the center wheel (11) is fixedly connected with the output shaft (1) through a coupling pin (17);

    所述前补偿板(7)和所述后补偿板(12)均通过圆柱定位销(8)与所述内齿圈(9)固定连接。Both the front compensating plate (7) and the rear compensating plate (12) are fixedly connected to the inner gear ring (9) through cylindrical positioning pins (8).

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