CN1144890A - 伺服驱动装置 - Google Patents

伺服驱动装置 Download PDF

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Publication number
CN1144890A
CN1144890A CN96109301A CN96109301A CN1144890A CN 1144890 A CN1144890 A CN 1144890A CN 96109301 A CN96109301 A CN 96109301A CN 96109301 A CN96109301 A CN 96109301A CN 1144890 A CN1144890 A CN 1144890A
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CN
China
Prior art keywords
gear
worm
additional gear
drive
regulating element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN96109301A
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English (en)
Inventor
艾尔弗雷德·康拉德
弗里德里克·奥伯梅耶
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Siemens AG
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of CN1144890A publication Critical patent/CN1144890A/zh
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2084—Perpendicular arrangement of drive motor to screw axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/209—Arrangements for driving the actuator using worm gears

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gears, Cams (AREA)
  • Valve Device For Special Equipments (AREA)
  • Fluid-Driven Valves (AREA)
  • Actuator (AREA)

Abstract

本发明涉及一种伺服驱动装置，它具有一个驱动电机(5)，该电机借助一个由至少一蜗杆(3)和一蜗轮(2)组成的传动齿轮箱驱动一根与一调节元件耦合的调节主轴，该装置此外还具有一个附加齿轮(6)用于调节元件的位移测量。一种显著更精确的位置测量可利用更少的元件通过以下方式实现，即附加齿轮(6)由蜗杆(3)驱动。

Description

伺服驱动装置
本发明涉及一种伺服驱动装置，它具有一个驱动电机，该电机借助一个由至少一蜗杆和一蜗轮组成的传动齿轮驱动一根与一调节元件耦合的调节主轴，该装置此外还具有一个附加齿轮，用于调节元件的位移测量。
一种这样的伺服驱动装置已由DE-A-3615285公开。在这种装置中，在一个与蜗轮抗扭连接并容纳其调节主轴的主轴螺母的外圆周上，设有一个附加的螺纹，借助该螺纹，一个附加齿轮被驱动。借助该附加齿轮，与调节主轴即与调节元件耦合的阀的每一个工作位置被测定。
本发明的目的在于，对所述形式的伺服驱动装置进行如下改进，即调节元件的位置测量显著地更准确并用更少的元件就能够进行。
本发明的目的是这样实现的，即通过提供一种伺服驱动装置，它具有一个驱动电机，该电机通过一个由至少一蜗杆和一蜗轮组成的传动齿轮箱驱动一根与一调节元件相耦合的调节主轴，该装置此外还具有一个附加齿轮，用于调节元件的位移测量，其中附加齿轮是由蜗杆驱动的。
附加齿轮通过蜗杆的这种驱动首先具有下面的优点，即不再必须设置分开的螺纹轮；其次附加齿轮以很高的转速被驱动，由此在位置测量方面的准确性同时被提高。
按照本发明的改进，附加齿轮为一个带有直齿的正齿轮，其中，齿的螺纹啮合角与蜗杆的轴模数匹配。因此，位置测量用一种结构简单的元件就能够进行。
按照本发明，附加齿轮与一个测量其转数的计数装置相连接。一个这样的计数装置可包含一个可由附加齿轮调节的电位计，通过它的调节，调节元件的每一个工作位置以模拟方式被重新给出。不过也存在这样的可能性，即借助一个电子元件以数字方式为基础进行计数。
下面参照附图所示实施例，对本发明作进一步详细说明，附图中：
图1为伺服驱动装置的局部截面图。
图2和3分别为一个由伺服驱动装置的蜗杆驱动的附加齿轮。
用1表示伺服驱动装置的外壳，一个蜗轮2可旋转地支承在该外壳内。蜗轮2以已知的方式与一个设在调节主轴上的主轴螺母耦合。该调节主轴和主轴螺母在图中未示出，通过由蜗轮2驱动的主轴螺母，调节主轴和由此一个与其相连的调节元件沿轴向被调节。
蜗轮2的驱动借助一个蜗杆3来实现，该蜗杆与一个在图中用虚的轮廓线表示的驱动电机5耦合。
蜗杆3此外还配有一个附加齿轮6，该齿轮连同它的轴7一起可旋转支承在壳体1的一个支承位置8处。轴7嵌接在一个计数装置9的壳体内。在计数装置9中，附加齿轮6的转数以模拟方式或数字方式被测量并由此产生相应的控制信号，通过这些信号，在达到某一确定的位置时可停止驱动。
如从图2和3可以看出，附加齿轮6可设计成简单的带有直齿的正齿轮。通过该正齿轮的齿10和齿间距11的相应设计，它可与具有不同中心螺旋角12的蜗杆3配合。由此，在中心螺旋角12的一确定范围内，可采用同一实施形式的附加齿轮6。

Claims (3)

1、一种伺服驱动装置，它具有一个驱动电机(5)，该电机通过一个由至少一蜗杆(3)和一蜗轮(2)组成的传动齿轮箱驱动一根与一调节元件相耦合的调节主轴，该装置此外还具有一个附加齿轮(6)，用于调节元件的位移测量，其特征在于，附加齿轮(6)是由蜗杆(3)驱动的。
2、按权利要求1所述的伺服驱动装置，其特征在于，附加齿轮是一个带直齿的正齿轮，在该齿轮中，齿(10)的螺纹啮合角与蜗杆(3)的轴模数相匹配。
3、按权利要求1或2所述的伺服驱动装置，其特征在于，附加齿轮(6)同一个测量其转数的计数装置(9)相耦合。
CN96109301A 1995-09-04 1996-08-07 伺服驱动装置 Pending CN1144890A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19532589 1995-09-04
DE19532589.3 1995-09-04

Publications (1)

Publication Number Publication Date
CN1144890A true CN1144890A (zh) 1997-03-12

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ID=7771209

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96109301A Pending CN1144890A (zh) 1995-09-04 1996-08-07 伺服驱动装置

Country Status (6)

Country Link
EP (1) EP0762015B1 (zh)
JP (1) JPH09219956A (zh)
KR (1) KR970017422A (zh)
CN (1) CN1144890A (zh)
AT (1) ATE172522T1 (zh)
DE (1) DE59600699D1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673096A (zh) * 2011-03-10 2016-06-15 通用电气公司 用于位置指示装置的联接件

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001069722A (ja) * 1999-08-31 2001-03-16 Jidosha Denki Kogyo Co Ltd 開閉装置用回転検出センサ付モータ
JP4633355B2 (ja) * 2003-12-24 2011-02-16 株式会社ミツバ リニアアクチュエータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH668465A5 (de) * 1985-08-27 1988-12-30 Sulzer Ag Eine abschaltvorrichtung aufweisender stellantrieb, insbesondere fuer ventile.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673096A (zh) * 2011-03-10 2016-06-15 通用电气公司 用于位置指示装置的联接件
CN105673096B (zh) * 2011-03-10 2018-03-30 通用电气公司 承载装置以及用于将承载装置联接到设备上的方法

Also Published As

Publication number Publication date
JPH09219956A (ja) 1997-08-19
DE59600699D1 (de) 1998-11-26
EP0762015B1 (de) 1998-10-21
ATE172522T1 (de) 1998-11-15
KR970017422A (ko) 1997-04-30
EP0762015A1 (de) 1997-03-12

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