US3546780A - Apparatus for checking the profiles of gear teeth,especially bevel gears - Google Patents

Apparatus for checking the profiles of gear teeth,especially bevel gears Download PDF

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Publication number
US3546780A
US3546780A US738987A US3546780DA US3546780A US 3546780 A US3546780 A US 3546780A US 738987 A US738987 A US 738987A US 3546780D A US3546780D A US 3546780DA US 3546780 A US3546780 A US 3546780A
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United States
Prior art keywords
shaft
feeler
axis
carriage
movement
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 - Lifetime
Application number
US738987A
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English (en)
Inventor
Karl Heinz Weber
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.)
Klingelnberg GmbH
Original Assignee
Witwe Ferdinand Klingelnberg Soehne GmbH
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 DE1967K0062636 external-priority patent/DE1623210B2/de
Application filed by Witwe Ferdinand Klingelnberg Soehne GmbH filed Critical Witwe Ferdinand Klingelnberg Soehne GmbH
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Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures

Definitions

  • a second carriage on the base member has a second shaft rotatable therein.
  • the second carriage is adjustable on the base member transversely to the axis of said second shaft with simultaneous rotation of said second shaft.
  • a feeler adjustably carried by said second shaft engages the gear on said first shaft.
  • a lever interconnects the carriages for simultaneous transverse movement thereof.
  • the second shaft is arranged for axial movement in said second carriage.
  • the present invention relates to an apparatus for checking the profiles of gear teeth, especially bevel gears.
  • Such apparatus generally includes a support for the gear to be checked and a support for a feeler and a base common to the supports; the supports are adjustable angularly about an axis vertical to the base, each support comprising a carriage.
  • a lever pivoted on the aforementioned axis interconnects the carriages for simultaneous movement. Movements of the carriage pertaining to the gear support causes rotation of the gear to be checked that is mounted thereon. Movement of the carriage pertaining to the support Afor the feeler causes rotation of the feeler.
  • the supports are adjustable relatively to accommodate lfor dif- -ferent types and sizes of gears and the feeler is adjustable on its support during rotation of the gear being checked and the feeler, the feeler follows the profile of a tooth of the gear.
  • the present invention concerns an improvement in apparatus of the abovementioned type according to which the rolling cylinder associated with the feeling device is supported by a stationary shaft.
  • This shaft may according to a specific embodiment of the said apparatus support a further rolling transmission lfrom which is derived an additional movement.
  • the purpose of this additional movement is a movement of the ⁇ feeler in the direction of the height of the teeth.
  • the transverse carriage associated with the stationary shaft is connected to adjustable inclined guiding means which impart onto the shaft bearing and thereby also onto the shaft with the feeler device connected thereto an axial movement which is adjustable as to its magnitude.
  • a device of this type is characterized by a particular simplicity.
  • FIG. 1 is an isometric view showing an apparatus according to the invention with a device for axially displacing the feeler head.
  • FIG. 2 shows the measuring of the profile with a measuring feeler displaceable in axial direction.
  • FIG. 3 shows an arrangement for a feeler head for producing a movement of the measuring feeler on a ball surface about the tip of the partial cone.
  • FIG. 4 shows an arrangement for a feeler head, the measuring feeler of which moves on the profile of the normal cut of the replacement tooth.
  • FIG. 4a is an isometric view of an apparatus as one example in which the feeler mechanism likewise carries out a turning movement in conformity with the reference gearing While the feeler head is additionally displaced in the direction of the height of the teeth.
  • the rolling cylinder 6 is supported by a carriage 5 which, in its turn, is guided on a rotatable ibase 8, while the rolling cylinder 25 associated with the feeler device 17 is mounted on a stationary shaft 20.
  • a circular disc 94 provided with inclined guiding means 95 is rotatably and arrestably arranged in the broadened table surface 93.
  • the inclined guiding means 95 may be adjustable parallel or inclined at will with regard to the direction of movement of the transverse carriage 27.
  • a stud or pivot 97 inserted in the shaft bearing 96 engages the inclined guiding means.
  • the measuring dome or peek 18 of the Ifeeler moves along a helical line 98 of a cylinder 99 for the radius of which it has been adjusted and which cylinder is circumscribed around the axis 21.
  • This is due to the rotation of the rolling cylinder 25 brought about the rolling bands during the displacement of the transverse carriage 27 and due to the rotation of the shaft 20 and is, furthermore, due to the simultaneous displacenient in the direction of its axis as caused by the pivot or stud 97.
  • This helical line when the cylinder is developed into a plane, corresponds to a straight line and with a corresponding angular adjustment of the inclined guiding means 95 corresponds to the engaging line of the plane appropriate gearing of the bevel gearing (Tredgolds approximation).
  • the measuring dome of the feeler According to the transmission ratio adjusted by the roller Iband' and lever transmission in conformity with the rolling of the workpiece on the reference gearing, the measuring dome of the feeler always contacts the profile or flank of the workpiece at points pertaining to the common engaging line of the supplementary gearing and records the deviation of the shape of the flanks of the workpiece to be checked Vfrom the rated shape.
  • the measuring dome 18 does not move on the surface of a cylinder but on a ball surface circumscribed by the common partial cone tip of the workpiece to be tested and reference gearing.
  • the feeler device 17 is radially adjustably mounted on an arm of a two-arm lever 100. This lever is connected to a shaft 101 which is rotatably journalled in a yoke bearing body 102, which, in its turn, is connected to the rolling cylinder 25.
  • the second yoke-shaped arm of lever 100 extends a bolt 103 which in its turn is connected in an angle piece screwed fast onto shaft 20.
  • FIG. 4 shows an arrangement which permits this adjustment.
  • a supporting frame 106 is connected to the rolling cylinder 25 while the front side of said frame which faces the workpiece to be checked is provided with a guiding path 107.
  • a carriage 108 which is radially adjustable and arrestable by means of a screw 109.
  • a cylindrical disc 110 which has a rectangular window 111, said disc 110 being rotatably adjustable and being arrestable by any convenient means not shown.
  • Within said window there is pivotally journalled a bearing body 112 which is pivotable about its axis which is perpendicular to the axis 21.
  • a rod 113 which has its front end carrying the feeler device 17 with the measuring dome 18 whereas the other end of said rod 113 carries a roller 114 journalled therein.
  • a spring 115y presses the rod 113 against a plane abutment surface 116 at the front end of shaft 20.
  • the present invention is not limited to the specic embodiments referred to above.
  • the inclined guiding means for producing the axial supplemental movement may, contrary to the examples referred to above, act directly upon the shaft rather than upon the shaft bearing.
  • FIG. 4a corresponds to that of FIG. 4 in copending U.S. application Ser. No. 738,986, Seybold, namelyd concurrently herewith on June 21, 1968 and belonging to the assignee of the present invention.
  • the arrangement of FIG. 4a comprises the shaft 20 associated with the feeler mechanism, in addition to the described roller transmission 23'-25' cooperating with the transverse carriage 27', additionally equipped with a further roller transmission, namely, shaft 20', roller bands 38 and carriage 39.
  • Shaft 20 is, by means of a set screw 40' secured against rotation, whereas the roller cylinder is freely rotatable on the shaft 20'.
  • Shaft 45 is adjustable, inclined by the meshing angle 0f the workpiece to be checked with regard to a plane perpendicular to the axis 21.
  • Shaft 45 has its central portion provided with a stud or pin 46 which is guided in a groove 47 of a cylindrical disc 48.
  • a rod 49 with the feeler 50' Connected to disc 48' is a rod 49 with the feeler 50', said rod 49 being guided in the neck of a rocker 51 and is secured by a key 52' against rotation.
  • the inclined position of groove 47' is adjustable in conformity with the respective prevailing conditions.
  • the rocker 51 is journalled in bearings 53 on a base member 54' which is adjustably connected on a guiding body 55 by nonillustrated means.
  • the said guiding body 55' is connected to the legs of the angle member 41'.
  • the ends of the shaft 45 are journalled in ball cups of sliding shoes 56' which are adapted to be displaced in guiding grooves 57 in the legs of the member 44.
  • Shaft 45' consists of three telescopically interengaging members which are pressed apart by springs 58.
  • the U-shaped member 44' arranged on the carriage 39 is radially adjusted with regard to the axis 21 in such a manner that the feeler dome 18 rakes the profile of the workpiece to be checked at the predetermined distance from its pitch cone tip when by turning the hand crank 29 the imaginary reference gearing and the workpiece to be checked roll upon each other. So far, the movements correspond to those of the device according to FIG. 1 of the aforementioned copending application. According to FIG. 4a there is an additional movement of the feeler head in the direction of the height of the tooth.
  • the rod 49' can, within certain limits, be adjusted in conformity with any desired direction relative to axis 21. In this way it will be possible to move the feeler in conformity with the rectilinear protile of the tangential sections of the flanks of the reference gearing bevel gears with straight or inclined teeth and also in conformity with the rectilinear prole of the normal section of the reference gearing of bevel gears Iwith spiral teeth.
  • the transmission ratio for the turning movements of the reference gearing and of the workpiece to be checked i.e., of the rolling cylinder 25' and the spindle upon which the workpiece is tested as shown in the aforementioned copending application is to be adjusted in conformity with the pitch cone angle of the workpiece 1' to be checked.
  • the rod 49 carrying the measuring feeler may also be adjusted in the direction of the rectilinear normal profile section of a non-roller spur bevel gear with spiral teeth.
  • the rod 49 carrying the measuring feeler may also be adjusted in the direction of the rectilinear normal profile section of a non-roller spur bevel gear with spiral teeth.
  • a base member a first support member mounted on said base member for pivotal movement thereon about a first axis perpendicular to the base member, a second support member mounted on said first support member for movement thereon radial to said first axis, a third support member mounted on said second support member for movement thereon transverse to the direction of movement of said second support member, a first shaft rotatable in said second support member, means for rotating said first shaft in response to movement of said third support member on said second support member, a fourth support member on the opposite side of said first axis from said first support member and supported on said base member for movement therein in a direction at right angles to a radius from said first axis, a fifth support member adjacent said fourth support member and moveable radially of said first axis, a second shaft rotatable but nonaxially moveable in said fifth support member, a cylindrical portion nonrotatably but axially moveably carried by said second shaft and
  • An apparatus which includes a yoke connected to said cylindrical portion, a third shaft in the yoke having its axis intersecting the axis of said second shaft, a two arm lever rotatable on said third shaft, said feeler being mounted on one arm of said two arm lever, the other arm of said two arm lever being fork shaped, a bracket fixed to said second shaft, and a rod fixed to said bracket and engaging said fork shaped arm of said two arm lever.
  • An apparatus which includes an abutment disc on the end of said second shaft, a bracket connected to said cylindrical portion, a first member slidable on said bracket perpendicular to the axis of said second shaft, a second member angularly adjustable on said lirst member, a push rod extending through said first and second members and having one end engaging said abutment member, spring means urging said push rod toward said abutment member, a pivotal connection between said push rod and said second member, and said feeler being mounted on the end of said push rod opposite said one end thereof.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
US738987A 1967-06-24 1968-06-21 Apparatus for checking the profiles of gear teeth,especially bevel gears Expired - Lifetime US3546780A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1967K0062636 DE1623210B2 (de) 1967-06-24 1967-06-24 Geraet zum pruefen der flanken vorzugsweise kegeliger zahnraeder
DE1623211A DE1623211B2 (de) 1967-06-24 1967-08-04 Gerät zum Prüfen der Flanken vorzugsweise kegeliger Zahnräder

Publications (1)

Publication Number Publication Date
US3546780A true US3546780A (en) 1970-12-15

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Application Number Title Priority Date Filing Date
US738987A Expired - Lifetime US3546780A (en) 1967-06-24 1968-06-21 Apparatus for checking the profiles of gear teeth,especially bevel gears

Country Status (5)

Country Link
US (1) US3546780A (de)
CH (1) CH478400A (de)
DE (1) DE1623211B2 (de)
FR (1) FR95409E (de)
GB (1) GB1189923A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947623A1 (fr) * 2009-07-06 2011-01-07 Jean-Luc Pelizzari Appareil de mesure d'angle
CN112945055A (zh) * 2021-01-28 2021-06-11 泉州市中原盛辉地产代理有限公司 一种空心板桥相邻空心板间相对垂向位移的测量机构
CN114472193A (zh) * 2022-01-06 2022-05-13 山东润通齿轮集团有限公司 一种锥齿轮输送质检一体化装置及其使用方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113236422B (zh) * 2021-06-15 2022-02-15 扬州大学 一种发动机平衡系统试验平台装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270425A (en) * 1964-03-20 1966-09-06 Ford Motor Co Gear tooth form checker
US3321840A (en) * 1965-12-27 1967-05-30 Gleason Works Apparatus for measuring surface finish of pinion tooth and like curved surfaces

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3270425A (en) * 1964-03-20 1966-09-06 Ford Motor Co Gear tooth form checker
US3321840A (en) * 1965-12-27 1967-05-30 Gleason Works Apparatus for measuring surface finish of pinion tooth and like curved surfaces

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2947623A1 (fr) * 2009-07-06 2011-01-07 Jean-Luc Pelizzari Appareil de mesure d'angle
CN112945055A (zh) * 2021-01-28 2021-06-11 泉州市中原盛辉地产代理有限公司 一种空心板桥相邻空心板间相对垂向位移的测量机构
CN112945055B (zh) * 2021-01-28 2023-07-04 河南四通工程检测有限公司 一种空心板桥相邻空心板间相对垂向位移的测量机构
CN114472193A (zh) * 2022-01-06 2022-05-13 山东润通齿轮集团有限公司 一种锥齿轮输送质检一体化装置及其使用方法
CN114472193B (zh) * 2022-01-06 2022-11-25 山东润通齿轮集团有限公司 一种锥齿轮输送质检一体化装置及其使用方法

Also Published As

Publication number Publication date
CH478400A (de) 1969-09-15
DE1623211A1 (de) 1972-01-27
GB1189923A (en) 1970-04-29
FR95409E (fr) 1970-11-06
DE1623211B2 (de) 1973-10-04

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