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DE1981560U - PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS. - Google Patents

PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS.

Info

Publication number
DE1981560U
DE1981560U DESCH43957U DESC043957U DE1981560U DE 1981560 U DE1981560 U DE 1981560U DE SCH43957 U DESCH43957 U DE SCH43957U DE SC043957 U DESC043957 U DE SC043957U DE 1981560 U DE1981560 U DE 1981560U
Authority
DE
Germany
Prior art keywords
guide bush
piston guide
high pressure
piston
hydraulic high
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.)
Expired
Application number
DESCH43957U
Other languages
German (de)
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.)
Schneider Werkzeug & Maschf
Original Assignee
Schneider Werkzeug & Maschf
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 Schneider Werkzeug & Maschf filed Critical Schneider Werkzeug & Maschf
Priority to DESCH43957U priority Critical patent/DE1981560U/en
Publication of DE1981560U publication Critical patent/DE1981560U/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/02—Sliding-contact bearings
    • F16C29/025—Hydrostatic or aerostatic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Actuator (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Description

L'734 0.2.5« 27.1267L'734 0.2.5 «27.1267

Korbenführungsbüchse für hydraulische Hochdruck-Hebebühnen mit Umlaufschmierung.Basket guide bush for hydraulic high-pressure lifting platforms with circulating lubrication.

Die Neuerung bezieht sich auf eine Kolbenführungsbüchse für hydr. Hochdruck-Hebebühnen, wie sie zum Heben von Kraftfahrzeugen Verwendung findet.The innovation relates to a piston guide bush for hydr. High pressure lifts, like those used for lifting Motor vehicles is used.

Es sind schon Kolbenführungsbüchsen bekannt, bei denen der Kolben ähnlich geschmiert wird, jedoch nimmt der Kolben (5) bei seiner Aufwärtsbewegung immer ein Bißchen Luft mit. So entsteht, da die Führungsbüchse nach oben und unten mit einem O-Ring (11) abgedichtet ist, in der Schmierausdrehung ein Überdruck. Dies hat zur Folge, daß wenn nach mehrmaligem Auf- und Abfahren des Kolbens (5) der Überdruck zu groß wird, Abstreif- (9) und O-Ring (11) durch das Fett nach oben aus der Führungsbüchse gedrückt werden.There are already piston guide bushes known in which the Piston is similarly lubricated, but the piston (5) always takes a little bit of air with it as it moves upwards. The result is that the guide bush is sealed at the top and bottom with an O-ring (11) in the lubrication recess an overpressure. As a result, if the overpressure becomes too high after the piston (5) has been moved up and down several times, Wiper ring (9) and O-ring (11) through the grease up and out of the Guide bush are pressed.

Die Neuerung hat den Zweck, diesem Umstand abzuhelfen. Die Führungsbüchse (6) sitzt zwischen Außenmantel (8) und Kolben (5) der Hebebühne. Soll nun der Kolben geschmiert werden, so wird das Schmierfett über den Schmiernippel (i), der Schmierleitung (3) und dem Winkelstück (4) in die Schmierausdrehung gedrückt. Entsteht nun durch die vom Kolben mitgeführte Luft ein Überdruck in der Ausdrehung, so wird das Fett nach oben über eine Schmiernut (13.) und über acht am Umfang verteilte Bohrungen (2.) in den Hohlraum zwischen Führungsbüchse (6) und Außenwand (8) der Hebebühne gepresst. Erhöht sich der Druck zwischen Führungsbüchse und Außenwand, so kann das Fett über acht am unteren Umfang der Führungsbüchse verteilten Bohrungen (7) dem Kolben wieder zufließen« Es entsteht also eine Fett - Umlaufschmierung.The purpose of the innovation is to remedy this fact. The guide bush (6) sits between the outer jacket (8) and the piston (5) the lift. If the piston is now to be lubricated, the lubricating grease is supplied via the lubricating nipple (i), the lubricating line (3) and the elbow (4) pressed into the lubrication recess. Now created by the air carried by the piston If there is overpressure in the recess, the grease is distributed upwards via a lubrication groove (13.) and eight around the circumference Holes (2.) in the cavity between the guide bush (6) and outer wall (8) of the lift pressed. If the pressure between the guide bushing and the outer wall increases, the grease can through eight bores (7) distributed on the lower circumference of the guide bushing to flow back to the piston a grease - circulating lubrication.

Zum besseren Schmieren wird die Entlufterschraube (1O) an der Hebebühne gelöst.The vent screw (1O) is tightened for better lubrication the lift released.

Die Abb. zeigt eine eingebaute Führungsbüchse im Schnitt, wobei (6) die Führungsbüchse, (5) den Kolben und (8) die Außenwand der Hubeinheit darstellt.The illustration shows a built-in guide bush in section, whereby (6) the guide bushing, (5) the piston and (8) the Represents the outer wall of the lifting unit.

Claims (2)

Sc h u t ζ a η s ρ r ti c h eSch u t ζ a η s ρ r ti c h e 1.) Kolbenführungsbüchse für Hochdruck-Hebebühnen, dadurch gekennzeichnet, daß sie an beiden Enden 8 am Umfang verteilte Bohrungen besitzt ( 2 und 7|·1.) Piston guide bush for high pressure lifting platforms, characterized in that it has 8 bores distributed around the circumference at both ends (2 and 7 | · 2.) Kolbenführungsbüchse nach Anspruch 1, dadurch2.) Piston guide bush according to claim 1, characterized gekennzeichnet, daß sie mit einem O-Ring 0^0 gegen den unteren Teil der Hubeinheit (15) abgedichtet istcharacterized in that they are opposed to 0 ^ 0 with an O-ring the lower part of the lifting unit (15) is sealed
DESCH43957U 1967-12-27 1967-12-27 PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS. Expired DE1981560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DESCH43957U DE1981560U (en) 1967-12-27 1967-12-27 PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH43957U DE1981560U (en) 1967-12-27 1967-12-27 PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS.

Publications (1)

Publication Number Publication Date
DE1981560U true DE1981560U (en) 1968-03-21

Family

ID=33376017

Family Applications (1)

Application Number Title Priority Date Filing Date
DESCH43957U Expired DE1981560U (en) 1967-12-27 1967-12-27 PISTON GUIDE BUSH FOR HYDRAULIC HIGH PRESSURE LIFTS.

Country Status (1)

Country Link
DE (1) DE1981560U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9003685U1 (en) * 1990-03-29 1990-06-07 Franz Hörnstein GmbH & Co. KG, 7100 Heilbronn Lifting platform for motor vehicles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9003685U1 (en) * 1990-03-29 1990-06-07 Franz Hörnstein GmbH & Co. KG, 7100 Heilbronn Lifting platform for motor vehicles

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