DE1062077B - Movement screw or worm for precisely uniform movement transmission - Google Patents

Movement screw or worm for precisely uniform movement transmission

Info

Publication number
DE1062077B
DE1062077B DEA23691A DEA0023691A DE1062077B DE 1062077 B DE1062077 B DE 1062077B DE A23691 A DEA23691 A DE A23691A DE A0023691 A DEA0023691 A DE A0023691A DE 1062077 B DE1062077 B DE 1062077B
Authority
DE
Germany
Prior art keywords
worm
movement
pressure piece
screw
contact surface
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
DEA23691A
Other languages
German (de)
Inventor
Franz Theiler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Askania Werke AG
Original Assignee
Askania Werke AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Askania Werke AG filed Critical Askania Werke AG
Priority to DEA23691A priority Critical patent/DE1062077B/en
Publication of DE1062077B publication Critical patent/DE1062077B/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G23/00—Means for ensuring the correct positioning of parts of control mechanisms, e.g. for taking-up play
    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H57/022—Adjustment of gear shafts or bearings
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/039—Gearboxes for accommodating worm gears
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0213—Support of worm gear shafts
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2700/00—Control mechanisms or elements therefor applying a mechanical movement
    • G05G2700/02—Means for regulating or adjusting control mechanisms, e.g. devices for automatic adjustment

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Gears, Cams (AREA)
  • Gear Transmission (AREA)

Description

Bewegungsschraube oder Schnecke zur genau gleichförmigen Bewegungsübertragung Die Erfindung betrifft eine Bewegungsschraube oder Schnecke zur genau gleichförmigen Bewegungsübertragung mit selbsttätiger Nachstellung in axialer Richtung.Movement screw or worm for precisely uniform transmission of movement The invention relates to a motion screw or worm for precisely uniform Movement transmission with automatic readjustment in the axial direction.

Bekannt sind Schneckenradgetriebe, bei denen das Gewindespiel zwischen Schneckenwelle und Schneckenrad durch eine Feder kompensiert wird, welche die Schneckenwelle in eine Richtung der Achse drückt. Eine solche Vorrichtung gestattet es aber nicht, Gewindefehler, z. B. periodische Steigungsfehler, zu kompensieren. Diese verursachen ebenfalls einen ungleichförmigen Ablauf der von ihnen eingeleiteten Bewegungen. Besonders störend machen sie sich in Getrieben von Präzisionsinstrumenten, beispielsweise astronomischen Instrumenten oder Kreisteilmaschinen, bemerkbar. Die Herstellungsverfahren für Gewinde und Schnecken lassen sich nicht so weit verbessern, daß diese periodischen Fehler in gewünschtem Maße klein werden. Es bestand daher die Aufgabe, die unvermeidbaren fertigungstechnisch bedingten Fehler durch Kompensation unschädlich zu machen.Worm gears are known in which the thread play between The worm shaft and worm wheel is compensated by a spring, which the worm shaft pushes in one direction of the axis. However, such a device does not allow Thread defects, e.g. B. periodic slope errors to compensate. This cause also an irregular course of the movements initiated by them. They are particularly annoying in the gears of precision instruments, for example astronomical instruments or circular dividing machines, noticeable. The manufacturing process for threads and worms cannot be improved so much that they are periodic Errors become small to the desired extent. The task was therefore to find the inevitable to make manufacturing errors harmless through compensation.

Erfindungsgemäß wird das dadurch erreicht, daß ein mit der Gewinde- oder Schneckenwelle verbundenes exzentrisches Druckstück kraftschlüssig in axialer Richtung gegen eine raumfeste schräge Anlauffläche gedrückt wird, wobei die Winkellage des Druckstückes, seine Exzentrizität und/oder die Schräge der Anlauffläche veränderbar sind, so daß periodische Fehler, insbesondere Steigungsfehler, vermindert werden können. In analoger Weise kann natürlich auch die schräge Anlauffläche an der Gewinde- oder Schneckenwelle und das exzentrische Druckstück raumfest angeordnet sein.According to the invention this is achieved in that a with the thread or worm shaft connected eccentric pressure piece non-positively in the axial Direction is pressed against a fixed inclined contact surface, the angular position of the pressure piece, its eccentricity and / or the slope of the contact surface can be changed are, so that periodic errors, especially slope errors, are reduced can. In the same way, of course, the inclined contact surface on the thread or worm shaft and the eccentric pressure piece can be arranged fixed in space.

Zur Verstellbarkeit der Achsverrückung in ihrer Größe und ihrer Lage relativ zur Winkelstellung der Achse kann man einerseits die Winkellage des Druckstückes und die Schräge der Anlauffläche, aber auch andererseits die Winkellage und die Exzentrizität des Druckstückes veränderbar ausbilden.To adjust the axis displacement in terms of its size and position relative to the angular position of the axis you can on the one hand the angular position of the pressure piece and the slope of the contact surface, but also on the other hand the angular position and the Make the eccentricity of the pressure piece changeable.

Ein die Merkmale der Erfindung tragendes Ausführungsbeispiel zeigt die Abbildung. Hier trägt die Schneckenwelle 1 das Druckstück 2, welches in dem Teil 3 sitzt. Dieses ist zwecks Einstellung der Winkellage des Druckstückes 2 relativ zur Welle drehbar. Das rautnfeste Teil 4 trägt die Anlauffläche. Zwecks Einstellung der Schräge der Anlauffläche ist es mit Hilfe der Schrauben 5 verstellbar. Die kraftschlüssige Verbindung zwischen Druckstück 2 und Anlauffläche 4 wird durch die Feder 6 bewirkt.An embodiment bearing the features of the invention is shown the illustration. Here the worm shaft 1 carries the pressure piece 2, which is in the Part 3 sits. This is relative for the purpose of setting the angular position of the pressure piece 2 rotatable to the shaft. The rough part 4 carries the contact surface. For the purpose of setting the slope of the run-on surface can be adjusted with the aid of the screws 5. The frictional one The connection between the pressure piece 2 and the contact surface 4 is brought about by the spring 6.

Claims (1)

PATENTANSPRÜCHE: 1. Bewegungsschraube oder Schnecke zur genau gleichförmigen Bewegungsübertragung mit selbsttätiger Nachstellung in axialer Richtung, dadurch gekennzeichnet, daß ein mit der Gewinde- oder Schneckenwelle (1) verbundenes exzentrisches Druckstück (2) kraftschlüssig in axialer Richtung gegen eine raumfeste schräge Anlauffläche (4) gedrückt wird, wobei die Winkellage des Druckstückes (2), seine Exzentrizität und/oder die Schräge der Anlauffläche (4) veränderbar sind, so daß periodische Fehler, insbesondere Steigungsfehler, vermindert werden können. z. Bewegungsschraube oder Schnecke nach Anspruch 1, dadurch gekennzeichnet, daß die in ihrer Winkelneigung einstellbare Anlauffläche an der Schrauben- oder Schneckenwelle (1) und das exzentrische Druckstück (2) raumfest angeordnet ist. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 399 915, 171252, 828 940; Richter, v. Vo ß : »Bauelemente der Feinmechanik«, Berlin 1952, S. 417, Bild 1418.PATENT CLAIMS: 1. Movement screw or worm for exactly uniform movement transmission with automatic readjustment in the axial direction, characterized in that an eccentric pressure piece (2) connected to the threaded or worm shaft (1) frictionally in the axial direction against a spatially fixed inclined contact surface (4) is pressed, the angular position of the pressure piece (2), its eccentricity and / or the incline of the contact surface (4) can be changed so that periodic errors, in particular pitch errors, can be reduced. z. Movement screw or worm according to claim 1, characterized in that the angular inclination of the contact surface on the screw or worm shaft (1) and the eccentric pressure piece (2) are fixed in space. Considered publications: German Patent Nos. 399 915, 171252, 828 940; Richter, v. Vo ß: "Components of Precision Mechanics", Berlin 1952, p. 417, Fig. 1418.
DEA23691A 1955-11-02 1955-11-02 Movement screw or worm for precisely uniform movement transmission Pending DE1062077B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA23691A DE1062077B (en) 1955-11-02 1955-11-02 Movement screw or worm for precisely uniform movement transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA23691A DE1062077B (en) 1955-11-02 1955-11-02 Movement screw or worm for precisely uniform movement transmission

Publications (1)

Publication Number Publication Date
DE1062077B true DE1062077B (en) 1959-07-23

Family

ID=6925496

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA23691A Pending DE1062077B (en) 1955-11-02 1955-11-02 Movement screw or worm for precisely uniform movement transmission

Country Status (1)

Country Link
DE (1) DE1062077B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432833A1 (en) * 1983-09-23 1985-04-18 Alfa-Laval Separation Ab, Tumba BEARING ARRANGEMENT

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE171252C (en) *
DE399915C (en) * 1922-12-16 1924-07-30 Rudolf Stuetzer Device for coarse and fine adjustment of measuring and observation devices
DE828940C (en) * 1949-09-15 1952-01-21 Zeiss Opton Optische Werke Obe Device for setting devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE171252C (en) *
DE399915C (en) * 1922-12-16 1924-07-30 Rudolf Stuetzer Device for coarse and fine adjustment of measuring and observation devices
DE828940C (en) * 1949-09-15 1952-01-21 Zeiss Opton Optische Werke Obe Device for setting devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3432833A1 (en) * 1983-09-23 1985-04-18 Alfa-Laval Separation Ab, Tumba BEARING ARRANGEMENT

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