EP3784444B1 - Messwerkzeug - Google Patents

Messwerkzeug Download PDF

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Publication number
EP3784444B1
EP3784444B1 EP19720039.7A EP19720039A EP3784444B1 EP 3784444 B1 EP3784444 B1 EP 3784444B1 EP 19720039 A EP19720039 A EP 19720039A EP 3784444 B1 EP3784444 B1 EP 3784444B1
Authority
EP
European Patent Office
Prior art keywords
measuring instrument
push tube
groove
retaining ring
region
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.)
Active
Application number
EP19720039.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3784444A1 (de
Inventor
Marcel Peltrie
Philipp Kraft
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of EP3784444A1 publication Critical patent/EP3784444A1/de
Application granted granted Critical
Publication of EP3784444B1 publication Critical patent/EP3784444B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/20—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips

Definitions

  • the invention relates to a measuring tool for circlips. Furthermore, the invention relates to a method for operating such a measuring tool and the use of such a measuring tool.
  • circlips are used to fix components.
  • An example retaining ring is in DE 10 2015 209 320 A1 disclosed.
  • the retaining ring In order to ensure that the component is fixed in place, the retaining ring must adhere to certain dimensions and be placed in the groove provided for this purpose. Compliance with the dimensions of the circlip, i.e. the tolerance ranges of the circlip, are usually checked using a static gauge. However, following the dimensions of the circlip does not guarantee that the circlip will sit correctly in the groove. This requires an additional work step. The correct position of the circlip in the groove is usually ensured by radial re-pressing.
  • the DE20 2008 001009 U1 describes a tool set for fixing a snap ring in a circumferential groove provided on the shaft of an injector.
  • the DE 38 27 070 A1 discloses a pressure-tight connection between a solenoid valve and a fuel injection pump. An assembly tool is used to insert a snap ring.
  • the object of the present invention is to provide a measuring tool that simply and efficiently reads the locking ring and ensures the correct position in the groove.
  • the measuring tool specified in claim 1 for gauging and pressing in a retaining ring is specified in claim 5
  • Method for gauging and pressing in a circlip with such a measuring tool and in claim 7 the use of such a measuring tool is proposed.
  • Optional advantageous refinements of the invention result entirely or partially from the dependent claims.
  • the measuring tool according to the invention for gauging and pressing a locking ring into a groove has a thrust tube with a flange area, a cone area and a middle area, the middle area connecting the flange area to the cone area.
  • a segmented pressure ring with an inner peripheral surface corresponding to the cone area of the push tube is arranged on the outer circumference of the cone area of the push tube.
  • the segmented pressure ring is in operative contact with the flange area of the push tube via a spring arrangement arranged on the outer circumference of the central area of the push tube.
  • the outer peripheral surface of the segmented pressure ring serves as a gauge and as a press-in part.
  • the circlips are circlips that are inserted into a radially outer groove. This means that the measuring tool must be inserted radially inside the circlips to be gauged and pressed in.
  • the flange area of the thrust tube is to be understood as meaning the area in which a radially outwardly extending flange is applied to the outer circumference of the thrust tube.
  • the flange can be segmented here.
  • the flange area of the thrust tube, that is to say the flange and the thrust tube, is preferably designed in one piece.
  • the pressure ring is preferably divided into a plurality of segments in the circumferential direction, so that each segment forms an arc of a circle.
  • the pressure ring is divided into three identically designed segments.
  • the spring arrangement comprises a plurality of spring elements in the form of compression springs.
  • a guide pin is arranged within each compression spring and is inserted into a bore in the pressure ring and into a through bore in the flange area of the thrust tube.
  • the flange of the flange area of the thrust tube preferably has a plurality of axially running through bores.
  • the segmented pressure ring preferably has a plurality of blind holes.
  • the guide pins serve as guides for the compression springs.
  • each segment of the pressure ring is guided by means of two guide pins.
  • each segment of the pressure ring has two blind holes, in each of which a guide pin is inserted, with the guide pin being surrounded by a compression spring.
  • the guide pin protrudes into the continuous bore of the flange of the flange area of the thrust tube.
  • the compression spring rests against the flange area of the thrust tube.
  • the segmented pressure ring represents the gauge for the locking ring.
  • the gauge is thus projected into the visible area for the fitter using mechanical elements, such as the guide pins here, for example.
  • the guide pins are provided as marking elements.
  • the guide pins have, for example, a marking, such as a notch or a colored marking, or represent the marking themselves by protruding from the through hole.
  • the circlip is not correctly seated in the groove if, for example, the guide pins or the markings on the guide pins protrude from the continuous bores in the flange of the torque tube.
  • the guide pins preferably have several functions. On the one hand, they serve as marking elements that project an incorrect fit or an inner diameter of the retaining ring that is outside the tolerance range into the field of view of the fitter. On the other hand, the guide pins ensure that the compression springs are guided.
  • an intermediate disk is arranged axially between the spring arrangement and the segmented pressure ring.
  • the Intermediate Pane ensures the even force distribution of the pressure springs on the segmented pressure ring.
  • a retaining ring is preferably arranged at the end of the cone region of the thrust tube, axially between the end face of the thrust tube and the inner peripheral surface of the segmented pressure ring that is in contact with the thrust tube.
  • the retaining ring is inserted here in a circumferential groove on the thrust tube. The retaining ring prevents the segmented pressure ring from slipping off the thrust tube.
  • the method according to the invention for gauging and pressing a retaining ring into a groove in a housing using a measuring tool according to the invention as described above is characterized in that the measuring tool is pushed axially into the housing with the cone area of the thrust tube in front, so that based on a marking on the measuring tool it is determined whether the retaining ring is correctly positioned in the groove.
  • the segmented thrust ring would strike the snap ring, causing the guide pins to move axially outward.
  • the fitter can use the mark on the guide pins to determine that the circlip has not been inserted correctly. If, on the other hand, the circlip is correctly seated in the groove, the segmented pressure ring only strikes the component to be secured with the circlip. The correct seating of the circlip in the groove can thus be determined by means of the guide pins.
  • the pressing and subsequent pressing of the retaining ring into the groove is preferably controlled by an axially acting force on the measuring tool.
  • the segmented pressure ring rests against the face of the component secured by the circlip.
  • a further axially acting force on the torque tube pushes the torque tube further axially into the housing, with the compression springs being compressed and the segmented pressure ring being moved radially outwards due to the cone region of the torque tube.
  • the outer peripheral surface of the segmented The pressure ring rests against the inner peripheral surface of the retaining ring and is pressed further into the groove by the force acting axially on the push tube. Pressing in and post-pressing can be controlled via the axial force to be applied by the fitter.
  • the measuring tool is used to gauge and press a circlip into a groove, with the circlip fixing a ring gear of a planetary gear.
  • a circlip into a groove
  • the circlip fixing a ring gear of a planetary gear.
  • an exemplary planetary gear is described.
  • FIG. 1 to 3 an exemplary embodiment of a measuring tool 1 according to the invention is shown in different views.
  • the measuring tool 1 is used to gauge and press in and/or repress a retaining ring, not shown here.
  • the measuring tool 1 has a thrust tube 2 with several differently designed areas.
  • a flange area 4 is formed at a first end 3 of the thrust tube 2 .
  • the flange area 4 has the thrust tube 2 , from which a flange 5 extends radially outwards.
  • the flange 5 is circumferential.
  • a central area 7 and a cone area 8 adjoin the flange area 4 of the torque tube 2 .
  • the outer circumference 9 of the cone area 8 of the torque tube 2 runs conically, so that the outside diameter becomes smaller in the axial direction towards the end face of the torque tube, which adjoins the cone area 8 .
  • a segmented pressure ring 10 is arranged on the outer circumference of the cone area 8 of the thrust tube 2 .
  • the segmented pressure ring 10 is divided into three identically designed segments 11 in the circumferential direction. This means that the segments 11 each represent an arc of a circle.
  • the segmented pressure ring 10 has an inner peripheral surface 12 that corresponds to the conical outer circumference 9 of the cone region 8 of the thrust tube 2 . Through the also conical running Inner peripheral surface 12 of the segmented pressure ring 10 allows movement of the segmented pressure ring 10 in both the axial and radial directions.
  • Each segment 11 of the segmented pressure ring 10 has two blind holes 13 in the end face facing the flange area 4 of the thrust tube 2 .
  • a guide pin 14 is arranged in each blind hole 13 and extends into the through holes 6 of the flange 5 of the flange area 4 of the push tube 2 .
  • Each guide pin 14 is surrounded by a compression spring 15 which allows the segmented pressure ring 10 to be prestressed and reset.
  • the compression springs 15 rest against the flange 5 of the flange area 4 of the thrust tube 2 .
  • An intermediate disc 16 is arranged axially between the compression springs 15 and the segmented pressure ring 10 . The intermediate disc 16 ensures the even pressure distribution of the compression springs 15 on the segments 11 of the pressure ring 10 .
  • the central area 7 of the thrust tube is cylindrical in this embodiment and, like the guide pins 14, serves as a guide for the compression springs 15.
  • the guide pins 14 are designed as marking elements, in that a colored marking (not shown here) is present on each of the guide pins 14 .
  • a retaining ring 18 is inserted in a groove 19 arranged all around the outer circumference 9 of the thrust tube 2 .
  • the locking ring 18 serves to prevent the segmented pressure ring 10 from slipping off.
  • FIGs 4 to 8 are the steps of the method according to the invention for teaching and pressing in a locking ring 20 for fixing a component in a housing 21 by means of a measuring tool 1 according to the invention Figures 1 to 3 shown.
  • This is a ring gear 22 of a planetary gear, not shown here, which is fixed in the housing 21 by means of the retaining ring 20 .
  • a groove 23 is provided on the inner circumference of the housing 21 , which rests directly axially on the ring gear 22 . In this groove 23 , the locking ring 20 is introduced.
  • the measuring tool 1 As shown in 4 shown pushed axially into the housing 21 with the cone portion 8 of the thrust tube 2 ahead.
  • the locking ring 20 is taught here by the segmented pressure ring 10 .
  • the retaining ring 20 rests on the outer peripheral surface 24 of the segmented pressure ring 10 , so that, as in figure 5 shown, the thrust tube 2 can be inserted up to the end face of the ring gear 22 .
  • the segmented pressure ring 10 remains in the axial direction while the compression spring 15 is compressed.
  • the conical surfaces of the thrust tube 2 and the segmented pressure ring 10 are according to 7 the segments 11 of the pressure ring 10 are moved radially outwards, so that the segments 11 of the pressure ring 10 press the locking ring 20 further into the groove 23 .
  • This means that the axial movement of the thrust tube 2 is converted into a radial movement of the segmented pressure ring 10 .
  • the pressing and/or subsequent pressing of the retaining ring 20 into the groove 23 of the housing 21 can be controlled using the force acting axially on the torque tube 2 .
  • the guide pins 14 protrude slightly from the bores 6 of the flange 5 of the thrust tube 2 at the front. The guide pins 14 do not protrude so far out of the bores 6 that the markings on the guide pins 14 can be seen.
  • the thrust tube 2 is pulled out of the housing 21 axially. Due to the axial movement of the thrust tube 2 , the pressure spring 15 relaxes, as a result of which the segmented pressure ring 10 is moved radially inwards. This means that the segmented pressure ring 10 is brought into its starting position, so that the pressure ring 10 is no longer pressed against the retaining ring 20 . This allows the measuring tool 1 to be pulled out of the housing 21 .
  • the push tube 2 will already hit the circlip 20 while the measuring tool 1 is being inserted into the housing 21 , see above that at the time provided introduced axial length of the push tube 2 , the segmented pressure ring 10 remains axially while the compression springs 15 are compressed and the guide pins 14 protrude from the through hole 6 of the flange 5 of the flange 4 of the push tube 2 . The markings on the guide pins 14 would thus protrude from the flange 5 of the thrust tube 2 . If this is the case, the locking ring 20 should be replaced and the method of the invention repeated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Testing Of Balance (AREA)
  • Measuring Fluid Pressure (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
EP19720039.7A 2018-04-25 2019-04-12 Messwerkzeug Active EP3784444B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018109897.9A DE102018109897A1 (de) 2018-04-25 2018-04-25 Messwerkzeug
PCT/DE2019/100337 WO2019206366A1 (de) 2018-04-25 2019-04-12 Messwerkzeug

Publications (2)

Publication Number Publication Date
EP3784444A1 EP3784444A1 (de) 2021-03-03
EP3784444B1 true EP3784444B1 (de) 2022-12-28

Family

ID=66323626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19720039.7A Active EP3784444B1 (de) 2018-04-25 2019-04-12 Messwerkzeug

Country Status (6)

Country Link
EP (1) EP3784444B1 (pl)
CN (1) CN111788038B (pl)
DE (1) DE102018109897A1 (pl)
HU (1) HUE061353T2 (pl)
PL (1) PL3784444T3 (pl)
WO (1) WO2019206366A1 (pl)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050136A (en) * 1976-02-10 1977-09-27 Shultz William E Bearing race driver
US4064612A (en) * 1976-10-26 1977-12-27 Hopp Harold P Locking type gasket for spark plugs having fully threaded shanks and tool therefor
DE3827070A1 (de) * 1988-08-10 1989-11-23 Bosch Gmbh Robert Druckdichte anschlussverbindung
DE4120389A1 (de) * 1991-06-19 1992-12-24 Bosch Gmbh Robert Verfahren zum einsetzen eines geschlitzten, elastischen rings in eine ringnut
DE4211143A1 (de) * 1992-04-03 1993-10-07 Bosch Gmbh Robert Einpreßvorrichtung
DE9212220U1 (de) * 1992-09-10 1992-11-26 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Montagewerkzeug zur Montage von O-Ringen
DE19631844C2 (de) * 1996-08-07 2001-08-16 Bayerische Motoren Werke Ag Vorrichtung zum Einsetzen eines geschlitzten elastischen Sicherungsringes in eine Ringnut eines Werkstückes
DE19803779C1 (de) * 1998-01-22 1999-09-02 Mannesmann Ag Vorrichtung zur Montage eines Sprengringes
US6421897B1 (en) * 2001-02-28 2002-07-23 The United States Of America As Represented By The Secretary Of The Navy Insertion tool for inserting an O-ring into an internal O-ring
DE10144803B4 (de) * 2001-09-12 2006-03-09 Zf Friedrichshafen Ag Planetengetriebe
DE202008001009U1 (de) * 2008-01-23 2008-03-27 Hazet-Werk Hermann Zerver Gmbh & Co. Kg Werkzeugset
CN103836081B (zh) * 2013-12-27 2017-02-22 瓦房店轴承集团有限责任公司 滑轮轴承内圈锁扣装置
CN105215919B (zh) * 2014-07-01 2018-06-22 中核核电运行管理有限公司 一种外撑式阀杆填料引漏环外环取出装置及其安装方法
DE102015209320A1 (de) * 2015-05-21 2016-04-21 Schaeffler Technologies AG & Co. KG Sicherungselement
CN104858649B (zh) * 2015-06-04 2017-07-04 安徽江淮汽车集团股份有限公司 一种卡环漏装检测工装
DE102015210931A1 (de) * 2015-06-15 2016-12-15 Schaeffler Technologies AG & Co. KG Anordnung zur Lagerung eines Sonnenrads eines Planetenradgetriebes
CN106002839B (zh) * 2016-05-30 2018-02-13 杭州沃镭智能科技股份有限公司 一种轴用卡簧压装检测头
CN205928494U (zh) * 2016-08-24 2017-02-08 昌辉汽车电器（黄山）股份公司 一种汽车组合开关紧圈装配辅具
US9827657B1 (en) * 2017-06-22 2017-11-28 Brian L. Nelson Tool and method for garbage disposal installation

Also Published As

Publication number Publication date
CN111788038B (zh) 2022-07-12
WO2019206366A1 (de) 2019-10-31
EP3784444A1 (de) 2021-03-03
HUE061353T2 (hu) 2023-06-28
DE102018109897A1 (de) 2019-10-31
PL3784444T3 (pl) 2023-03-27
CN111788038A (zh) 2020-10-16

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