CN111594405A - 偏心泵的偏心驱动装置 - Google Patents
偏心泵的偏心驱动装置 Download PDFInfo
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- CN111594405A CN111594405A CN202010099400.8A CN202010099400A CN111594405A CN 111594405 A CN111594405 A CN 111594405A CN 202010099400 A CN202010099400 A CN 202010099400A CN 111594405 A CN111594405 A CN 111594405A
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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
- 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
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4031—Pump units characterised by their construction or mounting
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/02—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having two cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/81—Braking systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/11—Kind or type liquid, i.e. incompressible
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Reciprocating Pumps (AREA)
Abstract
本发明涉及一种尤其车辆制动设备的偏心泵(10)的偏心驱动装置,其具有驱动轴(32)和位置固定地布置在该驱动轴上的偏心件(36),借助于该偏心件在驱动轴(32)旋转时可将至少一个泵元件(18、20)置于运动中。根据本发明,偏心件(36)在其背离驱动轴(32)的外侧(40)至少局部地球形地设计。
Description
技术领域
本发明涉及尤其车辆制动设备的偏心泵的偏心驱动装置,其具有驱动轴和位置固定地布置在该驱动轴上的偏心件,借助于该偏心件可在驱动轴旋转时将至少一个泵元件置于运动中。本发明还涉及这种偏心驱动装置在车辆制动设备处的使用。
背景技术
开头提及类型的偏心驱动装置用在活塞泵中,以使活塞往复运动。在活塞运动的情况下,可在相关的压力腔中泵送液压介质。这种活塞泵尤其用在车辆制动系统中。此时,利用活塞泵将作为液压介质的制动流体泵出车轮制动器,或朝车轮制动器泵送。偏心驱动装置包括马达、偏心件以及包围偏心件的偏心件支承。出于成本原因,已知的偏心件支承为滚针轴承。然而,这种滚针轴承具有相对大的轴向和径向间隙。因此可出现活塞的不期望的振动激励。
发明内容
本发明的目的在于提出一种偏心泵的偏心驱动装置,其在相对小的轴向和径向游隙的情况下在相关的活塞位置改变时同时具有高的灵活性。
该目的借助于尤其车辆制动设备的偏心泵的偏心驱动装置来实现,该偏心驱动装置具有驱动轴和位置固定地布置在该驱动轴上的偏心件,借助于该偏心件在驱动轴旋转时可将至少一个泵元件置于运动中。根据本发明,偏心件在其背离驱动轴的外侧至少局部地是球形的。
换句话说,本发明的核心在于,借助于球铰链和球形帽实现特别成本有利、同时低振动并且仍然有位置容差的偏心件支承。相关的偏心泵的活塞可在径向方向上刚性地支撑在球形帽处。同时,球形件使得能够在周向方向上实现支撑的活塞的一定的位置改变,而没有在此改变活塞在球形件处的贴靠面的径向距离。因此,活塞可在球形件处在活塞的横向方向上稍许移动,而没有因此在活塞的纵向方向上改变活塞的位置。因此,活塞相应地更少地被激励振动。同时,该解决方案相比于具有传统的滚针轴承的解决方案也还可成本更有利地进行生产。
在此,特别优选地,偏心件在其背离驱动轴的外侧完全是球形的。通过这种球形形状在球形件的周向方向上实现用于位置补偿的特别宽的面。
此外,根据本发明的偏心件优选地设有相对于球形形状偏心的通孔,以容纳驱动轴。通过这种通孔可在偏心件中装入驱动轴,从而实现在驱动轴和偏心件之间的不可相对转动的连接。偏心件相应地优选地在通孔处与驱动轴不可相对转动地连接,尤其压装到驱动轴上。
至少局部地球形地设计的偏心件优选地由偏心件罩壳包围,该偏心件罩壳在其面对偏心件的内侧同样至少局部地球形地来设计。因此,偏心件罩壳提供与球形的偏心件的滑动配合,借助于该滑动配合,偏心件罩壳可沿着球形的偏心件滑动。因此提供了滑动轴承,此时在该滑动轴承处在外侧可支撑相关的活塞泵的一个或优选多个活塞。因此,至少局部地球形地设计的偏心件优选地由偏心件罩壳包围,该偏心件罩壳在其面向偏心件的内侧同样至少局部地是球形的。
此外,偏心件罩壳优选地完全包围偏心件。这种偏心件罩壳在其整个周向上提供了可支撑活塞的可行性。此外,这种偏心件罩壳围住偏心件,使得偏心件罩壳在相关的偏心泵的运行期间不会不期望地从偏心件掉下,尤其不可向下移动。
此外,偏心件罩壳优选地在其背离偏心件的外侧成拱形,并且在其拱形部处设计有至少一个削平部。削平部提供了面,尤其平坦的面,偏心泵的相关的活塞可与该面贴靠,使得外壳没有在活塞的作用下在周向方向上显著改变其位置。偏心件罩壳尤其可由于削平部没有在活塞的作用下在周向方向上继续移动。削平部引起活塞始终贴靠削平部的中心,并且没有移到或超出削平部的边缘。
在此,偏心件罩壳优选地是圆环形的,并且在其背离偏心件的外侧设计有两个正对地相对而置的削平部。因此,两个活塞可正好相对而置地并且有利地支撑在这种偏心件罩壳处。
此外,本发明还相应地涉及这种根据本发明的偏心驱动装置在车辆制动设备处、尤其在车辆制动设备的偏心泵处的使用。
附图说明
下面借助示意性的附图进一步阐述根据本发明的解决方案的实施例。其中:
图1示出了具有根据本发明的偏心驱动装置的偏心泵的部分的横截面,
图2示出了根据图1的偏心泵的部分的纵向截面,并且
图3示出了根据图1和图2的偏心驱动装置的偏心件的立体视图。
具体实施方式
在图1至图3中示出了偏心泵10,对于该偏心泵,在泵壳体12中设置有第一活塞泵14和第二活塞泵16。第一活塞泵14具有呈泵活塞的形式的第一泵元件18,以及第二活塞泵16具有呈结构相同的泵活塞的形式的第二泵元件20。泵活塞沿着第一活塞轴线22和第二活塞轴线24相应来回运动预定的路程,以便以这种方式相应在相关的第一压力腔26和第二压力腔28中在此处存在的液压介质中建立压力。在当前情况下,介质为制动流体,并且偏心泵10设置成抽吸制动流体并且将制动流体输送至车辆制动设备的在此未示出的车辆制动器。
偏心泵10借助于泵马达30驱动,该泵马达在外部安置在泵壳体12上。泵马达30以驱动轴32伸入到在两个活塞泵14和16之间的泵壳体12中。在此,驱动轴32围绕轴轴线34旋转。偏心件36不可相对转动地安装在驱动轴32上,偏心件的偏心件轴线38与轴轴线34错位布置。
偏心件36具有外侧40,其相对于偏心件轴线38呈球形。在此,为了将偏心件36固定在驱动轴32上,偏心件设有相对于球形偏心的通孔42,驱动轴32压入到该通孔中。
偏心件罩壳44整面地围绕这种偏心件36的周围构造,偏心件罩壳的内侧46同样球形地来设计并且以滑动配合的方式或作为滑动轴承放置在偏心件36的球形的外侧40上。在此,偏心件罩壳44包围偏心件36,使得偏心件罩壳可几乎没有游隙、即无间隙地沿着偏心件滑动。
偏心件罩壳44相对于偏心件轴线38具有圆柱形外侧48,该圆柱形外侧具有相关的拱形部50。在拱形部50处,相对于偏心件轴线38在外侧48构造有两个削平部52,它们切向地或横向于径向方向取向。两个削平部52相对于偏心件轴线38彼此正好相对而置。在两个削平部52中的每个削平部上都贴靠两个泵元件18、20中的其中一个泵元件的端侧的端部。
在借助于泵马达30使驱动轴32转动时,偏心件36由于偏心件轴线38相对于轴轴线34的偏心的错位而置于偏心的回转运动中。同时,偏心件罩壳44在偏心件36的球形的外侧上滑动,其中,偏心件36在偏心件罩壳44的内部中转动。与削平部52贴靠的两个泵元件18、20阻止偏心件罩壳44随偏心件36一起转动,并且同时由于偏心的回转而被偏心件置于沿着泵元件的活塞轴线22、24的往复运动。
Claims (10)
1.一种尤其是车辆制动设备的偏心泵(10)的偏心驱动装置,其具有驱动轴(32)和位置固定地布置在该驱动轴上的偏心件(36),借助于该偏心件在所述驱动轴(32)旋转时能使至少一个泵元件(18、20)运动,其特征在于,所述偏心件(36)在其背离所述驱动轴(32)的外侧(40)处至少局部地是球形的。
2.根据权利要求1所述的偏心驱动装置(10),其特征在于,所述偏心件(36)在其背离所述驱动轴(32)的外侧(40)处完全是球形的。
3.根据权利要求2所述的偏心驱动装置(10),其特征在于,所述偏心件(36)设有相对于球形形状偏心的通孔(42),以容纳所述驱动轴。
4.根据权利要求3所述的偏心驱动装置(10),其特征在于,所述偏心件(36)在所述通孔(42)处与所述驱动轴(32)不可相对转动地连接,尤其被压装到所述驱动轴(32)上。
5.根据权利要求1至4中任一项所述的偏心驱动装置(10),其特征在于,所述至少局部地球形地设计的偏心件(36)由偏心件罩壳(44)包围,该偏心件罩壳在其面向所述偏心件(36)的内侧(46)处同样至少局部地是球形的。
6.根据权利要求5所述的偏心驱动装置(10),其特征在于,所述至少局部地球形地设计的偏心件(36)由偏心件罩壳(44)包围,该偏心件罩壳在其面向所述偏心件(36)的内侧(46)同样至少局部地是球形的。
7.根据权利要求6所述的偏心驱动装置(10),其特征在于,所述偏心件罩壳(44)完全包围所述偏心件(36)。
8.根据权利要求1至7中任一项所述的偏心驱动装置(10),其特征在于,所述偏心件罩壳(44)在其背离所述偏心件(36)的外侧(40)处设计成拱形,并且在其拱形部(50)处设计成具有至少一个削平部(52)。
9.根据权利要求8所述的偏心驱动装置(10),其特征在于,所述偏心件罩壳(44)是圆环形的,并且在其背离所述偏心件(36)的外侧(40)处设有两个径向相对而置的削平部(52)。
10.根据权利要求1至9中任一项所述的偏心驱动装置(10)在车辆制动设备上、尤其在车辆制动设备的偏心泵(10)上的应用。
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Application Number | Priority Date | Filing Date | Title |
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DE102019202336.3A DE102019202336A1 (de) | 2019-02-21 | 2019-02-21 | Exzenterantrieb einer Exzenterpumpe |
DE102019202336.3 | 2019-02-21 |
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CN111594405A true CN111594405A (zh) | 2020-08-28 |
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CN202010099400.8A Pending CN111594405A (zh) | 2019-02-21 | 2020-02-18 | 偏心泵的偏心驱动装置 |
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KR (1) | KR20200102373A (zh) |
CN (1) | CN111594405A (zh) |
DE (1) | DE102019202336A1 (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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SU500072A1 (ru) * | 1972-09-11 | 1976-01-25 | Автомобильный Завод Имени Ленинского Комсомола | Привод пресса |
SU816779A1 (ru) * | 1973-06-14 | 1981-03-30 | Предприятие П/Я М-5671 | Кривошипно-шатунный механизм пресса |
US4573494A (en) * | 1985-01-28 | 1986-03-04 | Pneumo Corporation | Spherical ball drive mechanism for a direct drive valve |
JPH01318785A (ja) * | 1988-06-17 | 1989-12-25 | Matsushita Refrig Co Ltd | ロータリー圧縮機 |
US20040089146A1 (en) * | 2001-10-15 | 2004-05-13 | Antonio Diaferia | Pump element and piston pump for generating high fuel pressure |
RU2239560C1 (ru) * | 2003-02-03 | 2004-11-10 | Воронежский государственный технический университет | Пресс |
CN201218196Y (zh) * | 2008-05-15 | 2009-04-08 | 上海海立(集团)股份有限公司 | 密闭型往复式压缩机 |
-
2019
- 2019-02-21 DE DE102019202336.3A patent/DE102019202336A1/de active Pending
-
2020
- 2020-02-18 CN CN202010099400.8A patent/CN111594405A/zh active Pending
- 2020-02-20 KR KR1020200020830A patent/KR20200102373A/ko unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU500072A1 (ru) * | 1972-09-11 | 1976-01-25 | Автомобильный Завод Имени Ленинского Комсомола | Привод пресса |
SU816779A1 (ru) * | 1973-06-14 | 1981-03-30 | Предприятие П/Я М-5671 | Кривошипно-шатунный механизм пресса |
US4573494A (en) * | 1985-01-28 | 1986-03-04 | Pneumo Corporation | Spherical ball drive mechanism for a direct drive valve |
JPH01318785A (ja) * | 1988-06-17 | 1989-12-25 | Matsushita Refrig Co Ltd | ロータリー圧縮機 |
US20040089146A1 (en) * | 2001-10-15 | 2004-05-13 | Antonio Diaferia | Pump element and piston pump for generating high fuel pressure |
RU2239560C1 (ru) * | 2003-02-03 | 2004-11-10 | Воронежский государственный технический университет | Пресс |
CN201218196Y (zh) * | 2008-05-15 | 2009-04-08 | 上海海立(集团)股份有限公司 | 密闭型往复式压缩机 |
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Publication number | Publication date |
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DE102019202336A1 (de) | 2020-08-27 |
KR20200102373A (ko) | 2020-08-31 |
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