DE3017736A1 - Steering gear for heavy duty vehicle - has steering shaft bearing supports located in housing, with mutually splined surfaces - Google Patents

Steering gear for heavy duty vehicle - has steering shaft bearing supports located in housing, with mutually splined surfaces

Info

Publication number
DE3017736A1
DE3017736A1 DE19803017736 DE3017736A DE3017736A1 DE 3017736 A1 DE3017736 A1 DE 3017736A1 DE 19803017736 DE19803017736 DE 19803017736 DE 3017736 A DE3017736 A DE 3017736A DE 3017736 A1 DE3017736 A1 DE 3017736A1
Authority
DE
Germany
Prior art keywords
steering
housing
steering gear
toothing
mutually
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.)
Granted
Application number
DE19803017736
Other languages
German (de)
Other versions
DE3017736C2 (en
Inventor
Dieter 7081 Essingen Elser
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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
Priority claimed from DE3013855A external-priority patent/DE3013855C2/en
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Priority to DE19803017736 priority Critical patent/DE3017736C2/en
Publication of DE3017736A1 publication Critical patent/DE3017736A1/en
Application granted granted Critical
Publication of DE3017736C2 publication Critical patent/DE3017736C2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D3/00—Steering gears
    • B62D3/02—Steering gears mechanical
    • B62D3/04—Steering gears mechanical of worm type
    • B62D3/06—Steering gears mechanical of worm type with screw and nut
    • 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
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02082—Gearboxes for particular applications for application in vehicles other than propelling, e.g. adjustment of parts
    • 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
    • F16H2057/0222—Lateral adjustment
    • F16H2057/0224—Lateral adjustment using eccentric bushes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Controls (AREA)
  • Gears, Cams (AREA)

Abstract

The steering gear has bearings (14,15) for a steering shaft (3) located in flanged recesses with eccentric adjustment and secured by threaded clamping rings (8,9). The mating faces of the bearings and the recesses have splines to secure the angular setting of the sleeves and hence the alignment of the steering. The splines (13) are machined on the mating faces of the sleeves and are hardened. When the securing rings are tightened, the splines bite into the housing and lock the steering setting. No further adjustments are required. The assembled steering gear is capable of transmitting large torque.

Description

Aufgabe und Lösung Task and solution

Der Erfindung liegt die Aufgabe zugrunde, die Einstellmöglichkeit des Verzahnungseingriffes von Lenkmutter und Zahnsegment nach der Hauptpatentanmeldung weiterzuentwickeln. The invention is based on the object of the adjustment option the meshing engagement of the steering nut and toothed segment according to the main patent application to develop further.

Dabei sollen die die Segmentwelle aufnehmenden Lagerdeckel in hochbelasteten Lenkgetrieben von Nutzfahrzeugen so im Lenkgehäuse verankert werden, daß diese die hohen Lagerkräfte zuverlässig abstützen können.The bearing caps accommodating the segment shaft are to be subjected to high loads Steering gears of commercial vehicles are anchored in the steering housing that these the can reliably support high bearing forces.

Diese Aufgabe ist durch die in den Patentansprüchen angeführten Merkmale gelöst. This object is achieved by the features recited in the claims solved.

Nach der Erfindung weisen die am Lenkgehäuse anliegenden radialen Planflächen der beiden Lagerdeckel eine Stirnverzahnung auf. Die Lagerdeckel sind vorzugsweise aus Temperguß hergestellt und deren Stirnverzahnung ist gehärtet. Nach Einstellen der Verzahnung der Segmentwelle wird durch Einschrauben von Ronterringen die Stirnverzahnung der Lagerdeckel in das Gehäuse eingedrückt. Dadurch sitzen die Lagerdeckel unverrückbar im Lenkgehäuse fest und diese können die hohe wechselseitige Kräftebeaufschlagung einer Servolenkung aufnehmen, die über die Segmentwellenverzahnung eingeleitet wird. According to the invention, the radial bearings resting on the steering housing Flat surfaces of the two bearing caps have a face gear. The bearing caps are preferably made of malleable cast iron and the spur teeth are hardened. To The toothing of the segment shaft is set by screwing in counter rings the spur teeth of the bearing caps are pressed into the housing. This is how they sit Bearing cover immovable in the steering housing and these can be high reciprocal Take up the application of force to a power steering system via the segment shaft toothing is initiated.

Ein weiterer Vorteil des Lenkgetriebes besteht darin, daß die Verzahnung der Segmentwelle zum Ausgleich eines zu großen Verzahnungsspieles auch noch nach längerer Betriebszeit nachstellbar ist. Hierzu sind lediglich die beiden Konterringe heraus zuschrauben und nach Verdrehen der Lagerdeckel werden diese in ihrer neuen Stellung durch Einschrauben der Konterringe wieder formschlüssig mit dem Lenkgehäuse verankert. Another advantage of the steering gear is that the teeth the segment shaft to compensate for excessive backlash can be readjusted for a longer period of operation. Only the two counter rings are required for this unscrew and after turning the bearing cover, these are in their new Position by screwing in the counter rings again form-fitting with the steering housing anchored.

Erläuterung der Erfindung Die Erfindung ist nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Explanation of the Invention The invention is based on a In the drawing illustrated embodiment explained in more detail.

Es zeigen: Fig. 1 einen Querschnitt durch eine Servolenkung mit der Segmentwelle.They show: FIG. 1 a cross section through a power steering system with the Segment shaft.

Fig. 2 einen Schnitt nach der Linie II-II in Fig. 1. FIG. 2 shows a section along the line II-II in FIG. 1.

Fig. 3 einen Teilschnitt nach der Linie III-III in Fig. 1. FIG. 3 shows a partial section along the line III-III in FIG. 1.

In einem Lenkgehäuse 1 ist ein zugleich als Lenknutter wirkender Arbeitskolben 2 mit einer zahnstangenartigen Verzahnung 2A verschieblich gelagert. Der Arbeitskolben 2 führt in üblicher Weise bei Drehung einer nicht dargestellten Lenkspindel eine Axialbewegung aus. In a steering housing 1 is a steering nut acting at the same time Working piston 2 with a rack-like toothing 2A displaceably mounted. The working piston 2 leads in the usual way when rotating a not shown Steering spindle from an axial movement.

Die zahnstangenartige Verzahnung 2A am Arbeitskolben 2 steht im Zahneingriff mit einer Segmentwelle 3. Die Segmentwelle 3 ist mit einer zylindrischen Verzahnung 4 versehen. The rack-like toothing 2A on the working piston 2 is in meshing engagement with a segment shaft 3. The segment shaft 3 has cylindrical teeth 4 provided.

Diese Segmentwelle 3 ist über zwei als Exzenterbuchsen ausgebildete Lagerdeckel 5 und 6 in Wälzlagern 7 gelagert. Durch entsprechendes Verdrehen der exzentrischen Lagerdeckel 5 und 6 kann eine Spielfreiheit zwischen der Verzahnung 4 der Segmentwelle 3 und der Verzahnung 2A des Arbeitskolbens 2 eingestellt werden. Zwei mit einem Gewinde versehene Konterringe 8 und 9 dienen zum axialen Festlegen der beiden Lagerdeckel 5 und 6 im Lenkgehäuse 1.This segment shaft 3 is designed as two eccentric sockets Bearing caps 5 and 6 supported in roller bearings 7. By turning the eccentric bearing caps 5 and 6 can be a backlash between the teeth 4 of the segment shaft 3 and the toothing 2A of the working piston 2 can be adjusted. Two counter rings 8 and 9 provided with a thread are used for axial fixing of the two bearing caps 5 and 6 in the steering housing 1.

Nach der Erfindung sind am Lenkgehäuse 1 anliegende Planflächen 10 und 11 des Lagerdeckels 5 bzw. 6 mit einer gehärteten Stirnverzahnung 12 bzw. 13 versehen. According to the invention, flat surfaces 10 resting on the steering housing 1 are provided and 11 of the bearing cover 5 or 6 with hardened spur teeth 12 and 13, respectively Mistake.

Zum Einstellen werden die Lagerdeckel 5 und 6 über Mitnahmenuten 14 bzw. 15 verstellt, bis kein Spiel mehr zwischen den Verzahnungen 2A und 4 vorhanden ist. Anschließend werden die Lagerdeckel 5 und 6 durch den Konterring 8 bzw. 9 gesichert. Dabei drückt sich die Stirnverzahnung 12 bzw. 13 in eine zu der Planfläche 10 und 11 parallele Gegenfläche 16 bzw. 17 im Lenkgehäuse 1 ein. Die Lagerdeckel sind auf diese Weise spielfrei und bei den auftretenden hohen Zahnkräften unverrückbar im Lenkgehäuse 1 verankert. For adjustment, the bearing caps 5 and 6 are driven by driving grooves 14 or 15 adjusted until there is no more play between the teeth 2A and 4 is. Then the bearing caps 5 and 6 are secured by the counter ring 8 and 9, respectively. The spur toothing 12 or 13 is pressed into a to the plane surface 10 and 11 parallel mating surface 16 or 17 in the steering housing 1. The bearing caps are open in this way backlash-free and immovable in the high tooth forces that occur Steering housing 1 anchored.

Über einen Anlaufring 18 werden die Axialkräfte der Segmentwelle 3 aufgenommen. The axial forces of the segment shaft are transmitted via a stop ring 18 3 added.

LeerseiteBlank page

Claims (2)

Lenkgetriebe (Zusatz zu Patentanmeldung P 30 13 855) Patentansprüche 0 Lenkgetriebe mit folgenden Merkmalen: - ein Lenkgehäuse enthält eine Lenkmutter mit einer zahnstangenartigen Verzahnung; - eine mit einer zylindrischen Verzahnung versehene Segmentwelle trägt einen Lenkhebel und steht mit der Lenkmutter im Eingriff; - die Segmentwelle ist über Exzenterbuchsen achsparallel in Richtung zur Verzahnung der Lenkmutter hin verstellbar; - die Exzenterbuchsen sind als Lagerdeckel ausgebildet, nach Patentanmeldung P 30 13 855, d a d u r c h g e k e n n z e i c h n e t , daß eine am Lenkgehäuse (1) anliegende Planfläche (10 bzw. 11) der Lagerdeckel (5 und 6) mit einer Stirnverzahnung (12 bzw. 13) versehen ist. Steering gear (addendum to patent application P 30 13 855) claims 0 steering gear with the following features: - a steering housing contains a steering nut with a rack-like toothing; - one with a cylindrical toothing provided segment shaft carries a steering lever and is in engagement with the steering nut; - The segment shaft is axially parallel in the direction of the toothing via eccentric bushes the steering nut adjustable; - the eccentric bushes are designed as bearing caps, according to patent application P 30 13 855, d a d u r c h g e k e n n n z e i c h n e t that a flat surface (10 or 11) of the bearing cover (5 and 6) is provided with spur teeth (12 or 13). 2. Lenkgetriebe nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß die Stirnverzahnung (12 bzw. 13) gehärtet ist. 2. Steering gear according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the spur toothing (12 or 13) is hardened.
DE19803017736 1980-04-10 1980-05-09 Steering gears for vehicles Expired DE3017736C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803017736 DE3017736C2 (en) 1980-04-10 1980-05-09 Steering gears for vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3013855A DE3013855C2 (en) 1980-04-10 1980-04-10 STEERING GEARBOX
DE19803017736 DE3017736C2 (en) 1980-04-10 1980-05-09 Steering gears for vehicles

Publications (2)

Publication Number Publication Date
DE3017736A1 true DE3017736A1 (en) 1981-11-19
DE3017736C2 DE3017736C2 (en) 1984-10-31

Family

ID=6101961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803017736 Expired DE3017736C2 (en) 1980-04-10 1980-05-09 Steering gears for vehicles

Country Status (1)

Country Link
DE (1) DE3017736C2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001550A1 (en) * 1982-10-20 1984-04-26 Zahnradfabrik Friedrichshafen Steering mechanism
WO1990013464A1 (en) * 1989-04-29 1990-11-15 Zahnradfabrik Friedrichshafen Ag Steering mechanism for motor vehicles
EP0416188A1 (en) * 1988-08-04 1991-03-13 Bendix Espana S.A. Gear assembly
EP0570860A1 (en) * 1992-05-18 1993-11-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Chain wheel mounting structure in forklift
DE102013109084A1 (en) * 2013-08-22 2015-02-26 Trw Automotive Gmbh Steering gear with bearings
US10400600B2 (en) * 2015-10-22 2019-09-03 Nidec Motor Corporation Mechanical seal for gearmotor assembly having threaded bearing retainer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1310222A (en) * 1919-07-15 Steering-gear
DE1082139B (en) * 1959-01-29 1960-05-19 Daimler Benz Ag Steering gear for motor vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1310222A (en) * 1919-07-15 Steering-gear
DE1082139B (en) * 1959-01-29 1960-05-19 Daimler Benz Ag Steering gear for motor vehicles

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984001550A1 (en) * 1982-10-20 1984-04-26 Zahnradfabrik Friedrichshafen Steering mechanism
DE3238740A1 (en) * 1982-10-20 1984-04-26 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen STEERING GEARBOX
US4614127A (en) * 1982-10-20 1986-09-30 Zahnradfabrik Friedrichshafen, Ag. Steering gear
EP0416188A1 (en) * 1988-08-04 1991-03-13 Bendix Espana S.A. Gear assembly
WO1990013464A1 (en) * 1989-04-29 1990-11-15 Zahnradfabrik Friedrichshafen Ag Steering mechanism for motor vehicles
EP0570860A1 (en) * 1992-05-18 1993-11-24 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Chain wheel mounting structure in forklift
US5361872A (en) * 1992-05-18 1994-11-08 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Chain wheel mounting structure in forklift
DE102013109084A1 (en) * 2013-08-22 2015-02-26 Trw Automotive Gmbh Steering gear with bearings
US10400600B2 (en) * 2015-10-22 2019-09-03 Nidec Motor Corporation Mechanical seal for gearmotor assembly having threaded bearing retainer

Also Published As

Publication number Publication date
DE3017736C2 (en) 1984-10-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8162 Independent application
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ZF FRIEDRICHSHAFEN AG, 7990 FRIEDRICHSHAFEN, DE

8339 Ceased/non-payment of the annual fee