DE3033754A1 - Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub - Google Patents

Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub

Info

Publication number
DE3033754A1
DE3033754A1 DE19803033754 DE3033754A DE3033754A1 DE 3033754 A1 DE3033754 A1 DE 3033754A1 DE 19803033754 DE19803033754 DE 19803033754 DE 3033754 A DE3033754 A DE 3033754A DE 3033754 A1 DE3033754 A1 DE 3033754A1
Authority
DE
Germany
Prior art keywords
piston
shaft
rotary piston
rotary
hub
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.)
Ceased
Application number
DE19803033754
Other languages
German (de)
Inventor
Antrag Auf Nichtnennung
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19803033754 priority Critical patent/DE3033754A1/en
Publication of DE3033754A1 publication Critical patent/DE3033754A1/en
Ceased 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
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
    • F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
    • F15B15/068—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the helical type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

The self-locking hydraulic, or pneumatic, ram has a rotary piston, used to actuate a stopcock, or on a drilling truck in a mining machine. The piston (6) thrusts a threaded shaft (7,20) into a threaded hub, causing the shaft (18) to turn by means of the spiral threads (19). The rotary movement is self-locking by action of a driving spindle (17). The Pitch of the threads can be selected to give this effect. The threaded hub (8) can be fixed to a housing (5) inside the ram cylinder.

Description

Selbsthemmender Hydraulik-Pneumatik-Zylinderdrehkolben Self-locking hydraulic-pneumatic cylinder rotary piston

Für die Erzeugung von Schxrenkbewegungen, zum Beispiel an Hähnen oder Klappen sowie an Bohrwagen im Stoll enb au, werden Schwenkantriebe verwendet, die über Zahnritzel und Zahnstangen Schwenkbewegungen erzeugen. Die Druckkraft auf das Zahnritzel wird dabei von einem oder zwei Kolben, die mit Druckluft beau; schlagt werden, hergestellt.For the generation of swinging movements, for example on taps or Swivel drives are used for flaps as well as on drilling jigs in the tunnel Generate swivel movements via pinions and racks. The force of pressure on the The pinion is driven by one or two pistons that beau with compressed air; beats are produced.

Zum anderen werden Drehflügelantriebe auf ähnliche Weise eingesetzt. Hinzu kommen Druckluftzylinder in Verbindung mit einem Hebelantrieb für kleinere Scharenkbewegungen (90°).On the other hand, rotary vane drives are used in a similar way. In addition, there are compressed air cylinders in connection with a lever drive for smaller ones Blade movements (90 °).

Alle diese Antriebsmechanismen haben den gemeinsamen Nachteil, daß selbst bei geringer pneumatischer Beaufschlagung (bis maximal 10 bar) sehr hohe Flächenpressungen entstehen, die frühzeitig zum Verschleiß führen.All these drive mechanisms have the common disadvantage that very high even with low pneumatic pressure (up to a maximum of 10 bar) Surface pressures arise that lead to wear and tear at an early stage.

Ein weiterer Nachteil besteht darin, daß alle vorgenannten Antriebe ständig ein Druckmedium benötigen, um nicht in ihre ursprüngliche Ausgangslage zurückgedrückt zu werden.Another disadvantage is that all of the aforementioned drives constantly need a print medium in order not to be pushed back into their original starting position to become.

Es besteht daher das Bedürfnis, einen Drehantrieb zu schaffen, der selbst bei sehr hohen Drucken eine niedrige Flächenpressung der kraftübertragenden Teile hat und nach Anstellen eines gewünschten Schwenkwinkels von außen auch mit einem Mehrfachen des erzeugten Drehmoments nicht mehr bewegt werden kann, wobei der Zylinderraum beidseitig des Kolbens drucklos sein kann.There is therefore a need to create a rotary drive that even at very high pressures a low surface pressure of the force-transmitting Parts has and after setting a desired swivel angle from the outside also with a multiple of the generated torque can no longer be moved, wherein the cylinder space on both sides of the piston can be depressurized.

Die Erfindung betrifft eine Drehkolbenanordnung,bei der ein Kolben - siehe Zeichnung Nr. 6 - durch 3 beaufschlagt, eine Keilwelle 7/20 in eine Keilwellennabe preßt. Die Keilwelle 7 hat am äußeren Durchmesser eine gerade Keilwellenverzahnung, damit keine Drehung des Kolbens erfolgen kann. Diese Keilwelle 7/20 hat in der Bohrung eine Evolventenverzahnung 19 mit einer St eigung, die die Welle 18 nach links oder rechts dreht. Die Steigung ist so gewählt, daß die Welle 18 von außen her nicht mehr zu bewegen ist (siehe oben). Mit dieser Anordnung wird durch die großen Flächen, die als Kraftübertragung zur Verfügung stehen, nur eine geringe Flächenpressung erzeugt. Die Schwenkbewegung in die Ausgangslage erfolgt durch Beaufschlagung 2. Die vorhandene Kolbenfläche ist Zylinderinnendurchmesser 5 minus Steuerbolzen 22 auf beiden Seiten gleich. Die im Zylinder angebrachte Keilwellennabe hat den Vorteil großer Kraftschlüssigkeit und ergibt außerdem eine geringe Bauhöhe.The invention relates to a rotary piston arrangement in which a piston - see drawing no. 6 - acted upon by 3, a splined shaft 7/20 in a splined shaft hub presses. The splined shaft 7 has a straight splined shaft toothing on the outer diameter, so that no rotation of the piston can take place. This splined shaft 7/20 has in the bore an involute toothing 19 with a pitch that the shaft 18 to the left or turns right. The slope is chosen so that the shaft 18 does not come from the outside there is more to move (see above). With this arrangement, the large areas which are available as power transmission, only a low surface pressure generated. The pivoting movement into the starting position is carried out by applying pressure 2. The existing piston area is the inside diameter of the cylinder 5 minus the control pin 22 the same on both sides. The splined shaft hub fitted in the cylinder has the advantage great frictional connection and also results in a low overall height.

Die Abdichtung der hydraulisch-pneumatischen Medien erfolgt über die Dichtungen 9, 15, 2), 26. Der geringe Axialdruck wird durch Broncescheiben oder Axialrillenkugellager aufgenommen.The hydraulic-pneumatic media are sealed using the Seals 9, 15, 2), 26. The low axial pressure is caused by bronze washers or Axial deep groove ball bearings added.

16 ist ein Sicherungsring.16 is a locking ring.

L e e r s e i t eL e r s e i t e

Claims (3)

P a t e n t a n s p r ü c h e Selbe themmender Hydraulik-Pneumakik-Zylinderdrehkolben, dadurch gekennzeichnet, daß der Kolben 6 eine Keilwelle 7/20 in eine Keilnabe drückt, wobei die Welle 18 über das gewtmdene Keilwellenprofil 19 in eine Drehbewegung umgesetzt wird, die vom Antriebszapfen 17 her selbsthemmend ist. P a t e n t a n s p r ü c h e Same themed hydraulic-pneumatic cylinder rotary piston, characterized in that the piston 6 pushes a splined shaft 7/20 into a splined hub, wherein the shaft 18 is converted into a rotary movement via the spiral spline 19 which is self-locking from the drive pin 17. 2. Drehkolben nach Anspruch 1, dadurch gekennzeichnet, daß die Steigung des Keilwellenprofils so gewählt ist, daß sie selbsthenwaend ist.2. Rotary piston according to claim 1, characterized in that the slope of the spline is chosen so that it is Selbsthenwaend. 3. Drehkolben nach Anspruch 1, dadurch gekennzeichnet, daß die Keilnabe 8 innerhalb des Zylinderraumes fest mit dem Zylindergehäuse 5 verbunden ist.3. Rotary piston according to claim 1, characterized in that the splined hub 8 is firmly connected to the cylinder housing 5 within the cylinder space.
DE19803033754 1980-09-08 1980-09-08 Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub Ceased DE3033754A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803033754 DE3033754A1 (en) 1980-09-08 1980-09-08 Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803033754 DE3033754A1 (en) 1980-09-08 1980-09-08 Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub

Publications (1)

Publication Number Publication Date
DE3033754A1 true DE3033754A1 (en) 1982-03-18

Family

ID=6111395

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803033754 Ceased DE3033754A1 (en) 1980-09-08 1980-09-08 Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub

Country Status (1)

Country Link
DE (1) DE3033754A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557746A (en) * 1983-08-04 1985-12-10 Emhart Industries, Inc. Electro-pneumatic actuator for glassware forming machine
FR2570134A1 (en) * 1983-08-04 1986-03-14 Emhart Ind Actuator for moving parts in glassware machine
DE3706121A1 (en) * 1987-02-25 1988-09-08 Wolf Woco & Co Franz J Actuating drive
US5216942A (en) * 1992-03-06 1993-06-08 Sendoykas Jack J Piston lock for power cylinders
US5447095A (en) * 1994-07-18 1995-09-05 1994 Weyer Family Lp Actuator with ring gear and method of manufacturing same
CN101372992B (en) * 2008-06-04 2010-12-22 郭玉恒 Method for converting fluid input into torque and swinging angle outputs and specific oil cylinder
CN108662258A (en) * 2017-03-30 2018-10-16 苏州巴恩斯通环保科技有限公司 A kind of Pneumatic rotary executing agency

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4557746A (en) * 1983-08-04 1985-12-10 Emhart Industries, Inc. Electro-pneumatic actuator for glassware forming machine
FR2570134A1 (en) * 1983-08-04 1986-03-14 Emhart Ind Actuator for moving parts in glassware machine
DE3435047A1 (en) * 1983-08-04 1986-04-03 Emhart Industries Inc., Farmington, Conn. METHOD AND DEVICE FOR CYCLICALLY MOVING A PART, PARTICULARLY IN A GLASS PROCESSING MACHINE
DE3706121A1 (en) * 1987-02-25 1988-09-08 Wolf Woco & Co Franz J Actuating drive
US5216942A (en) * 1992-03-06 1993-06-08 Sendoykas Jack J Piston lock for power cylinders
US5447095A (en) * 1994-07-18 1995-09-05 1994 Weyer Family Lp Actuator with ring gear and method of manufacturing same
CN101372992B (en) * 2008-06-04 2010-12-22 郭玉恒 Method for converting fluid input into torque and swinging angle outputs and specific oil cylinder
CN108662258A (en) * 2017-03-30 2018-10-16 苏州巴恩斯通环保科技有限公司 A kind of Pneumatic rotary executing agency

Similar Documents

Publication Publication Date Title
DE3118449C2 (en)
DE2744947A1 (en) CONTINUOUSLY ADJUSTABLE TAPERED DISC BELT DRIVE
DE102006040129A1 (en) Hydraulic vehicle brake for motor vehicles has a brake casing with a hydraulic operating pressure chamber for carrying brake functions with a hydraulic pressurizing medium
DE1525339B1 (en) Hydraulically actuated disc friction clutch or brake
DE3325523C2 (en) Infinitely adjustable conical pulley belt drive
DE3033754A1 (en) Self locking ram with rotary piston - has piston thrusting spiral threaded shaft into similarly threaded hub
DE2166808A1 (en) AXIAL PISTON ENGINE
DE2517259C3 (en) DEVICE FOR CONVERTING A TRANSLATION MOVEMENT OF A PISTON, SLIDING IN A WORKING CYLINDER, WITH A RACK FIXED TO IT, INTO A ROTATING MOVEMENT OF A GEAR FIXED TO A SHAFT
DE1426525A1 (en) Rotating device with hydraulic drive
DE1576142C3 (en) Hydraulically or pneumatically operated rotary actuator
DE2534688A1 (en) COMPRESSED PISTON ENGINE
DE1176954B (en) Infinitely variable hydrostatic power transmission
DE3221035C2 (en) Steering drive for the wheels of a commercial vehicle front axle
EP0396854B1 (en) Power pulse generator
CH616493A5 (en) Infinitely variable chain drive
DE488843C (en) Chuck with pressure piston drive
EP0473968A2 (en) Hydraulic operated impact drilling device, especially for bolt drilling
DE1625152A1 (en) Device for the hydrostatic transmission of mechanical forces
DE7618904U1 (en) CLAMPING DEVICE ON A MACHINE TOOL
DE485815C (en) Press oil pump or motor with rotating cylinder drum and pistons working in it
DE1044641B (en) Hydraulic power steering for motor vehicles
DE2315169C3 (en) Pneumatic cylinder with a final stroke power transmission
DE923794C (en) Device for reversing the direction of rotation of the drive shaft of a vehicle, in particular a locomotive driven by a gas turbine
DE1625152C3 (en) Bearing for the axial piston pump of a hydrostatic transmission
DE1403922C (en) In-axis gear pump

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection