CN107664150B - Eccentric pin - Google Patents

Eccentric pin Download PDF

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Publication number
CN107664150B
CN107664150B CN201710630480.3A CN201710630480A CN107664150B CN 107664150 B CN107664150 B CN 107664150B CN 201710630480 A CN201710630480 A CN 201710630480A CN 107664150 B CN107664150 B CN 107664150B
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China
Prior art keywords
eccentric pin
component
eccentric
pin portion
cross
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CN201710630480.3A
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Chinese (zh)
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CN107664150A (en
Inventor
F.班格尔
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MAN Energy Solutions SE
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MAN Energy Solutions SE
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    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Insertion Pins And Rivets (AREA)
  • Machine Tool Units (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention relates to an eccentric pin (12) for orienting a first component relative to a second component, having a first eccentric pin portion (13) and having a second eccentric pin portion (14), the first eccentric pin portion (13) cooperating with the first component, the second eccentric pin portion (14) cooperating with the second component, the second eccentric pin portion (14) being eccentrically positioned to the first eccentric pin portion (13), wherein the profiles of the first eccentric pin portion (13) and of the second eccentric pin portion (14) are each designed with an angle in cross section, wherein the angular cross-sectional profile (15) of the first eccentric pin portion (13) is eccentrically offset by a first amount in a first eccentric direction relative to the angular cross-sectional profile (16) of the second eccentric pin portion (14) and by a second amount different from the first amount in a second eccentric direction extending perpendicularly to the first eccentric direction .

Description

Eccentric pin
Technical Field
The invention relates to an eccentric pin.
Background
By means of the eccentric pin, the components can be oriented relative to each other. Eccentric pins known from practice have eccentric pin portions positioned eccentrically to each other. Here, the first eccentric pin portion cooperates with the first member, and the second eccentric pin portion cooperates with the second member. In the eccentric pins known from practice, the contours of the eccentric pin parts located eccentrically to one another are each designed so as to be circular in cross section. Eccentric pins known from practice require specific tools in order to operate and are often item-dependent.
DE 102014222445 a1 discloses an eccentric pin with eccentric pin portions that are positioned eccentrically to one another and are circular in cross section.
Disclosure of Invention
Starting from this, the invention is based on the problem of providing a novel eccentric pin, by means of which the components can be simply and reliably oriented relative to one another. This problem is solved by an eccentric pin according to claim 1. According to the invention, the profiles of the first and second eccentric pin parts are designed with an angle in cross section, wherein the angular cross-sectional profile of the first eccentric pin part is eccentrically offset relative to the angular cross-sectional profile of the second eccentric pin part by a first amount in a first eccentric direction and by a second amount different from the first amount in a second eccentric direction extending perpendicularly to said first eccentric direction.
The invention proposes for the first time an eccentric pin whose eccentric pin part is profiled with an angle in cross section. Here, the cross sections of the eccentric pin portion, which are contoured with an angle, are offset relative to one another by different amounts in two eccentric directions extending perpendicularly to one another. With such eccentric pins, a simple and reliable orientation of the components relative to each other can be performed without the need for special tools. The eccentric pin according to the invention is item-independent and can be stored as bulk goods.
According to a further advantageous development, the first eccentric pin part and the second eccentric pin part are each polygonal in cross section, preferably in the sense of a regular octagon. The orientation of the components with respect to one another can then be carried out particularly advantageously when the contour of the eccentric pin portion is designed as a regular polygon, in particular as a regular octagon.
According to a further advantageous development, the circle on which the corners of the cross-sectional profile of the first eccentric pin part lie and the circle on which the corners of the cross-sectional profile of the second eccentric pin part lie have different radii. This feature is particularly preferred for a simple and reliable orientation of the components with each other.
According to a further advantageous development, the eccentric pin has a bore, through which the bore extends through the first eccentric pin portion and the second eccentric pin portion, via which bore the eccentric pin can be fastened to one of the components to be oriented via a fastening screw extending through the bore, wherein the respective other component can rest on the eccentric pin. The eccentric pin can be fastened to one of the components to be oriented to each other via a fastening screw cooperating with the hole. The respective other part rests on the eccentric pin.
The invention also relates to an arrangement of at least one eccentric pin, a first component, a second component to be oriented to the first component according to the invention.
Drawings
Further preferred developments of the invention will emerge from the dependent claims and from the following description. Exemplary embodiments of the invention, which are not restricted thereto, will be explained in more detail with the aid of the drawings. Shown here are:
FIG. 1 is a section through an arrangement of an eccentric pin, a first component, and a second component to be oriented relative to the first component according to the present invention;
FIG. 2 is a cross section through an arrangement of an eccentric pin, a first component, a second component to be oriented relative to the first component, according to the present invention, offset through 90 ° relative to FIG. 1;
FIG. 3 is section III-III of FIG. 1;
FIG. 4 is section IV-IV of FIG. 1;
FIG. 5 is a side view of an eccentric pin according to the present invention;
fig. 6 is a view of the eccentric pin viewed in the direction of arrow VI of fig. 5; and
figure 7 is a number of different positions of the eccentric pin.
Detailed Description
The invention presented herein relates to an eccentric pin for orienting components with respect to each other.
The invention further relates to an arrangement of components to be oriented relative to one another and of at least one eccentric pin.
Fig. 1-4 show different cross sections through an arrangement of an eccentric pin according to the invention and two parts to be oriented to each other. Thus, fig. 1 shows a first component 10, a second component 11 to be oriented relative to the first component 10, and an eccentric pin 12 used for this orientation. The first component 10 may be, for example, a turbine housing of a continuous-flow machine (continuous-flow machine), and the second housing 11 may be a built-in part, such as a guide vane carrier (guide vane carrier), a sealing element, or the like. Fig. 5 and 6 show the eccentric pins 12 each shown separately.
The eccentric pin 12 has two eccentric pin portions 13, 14. Here, the first eccentric pin portion 13 cooperates with the first component 10 and the second eccentric pin portion 14 cooperates with the second component 11, wherein the two eccentric pin portions 13, 14 are positioned eccentrically to each other. As can be seen best from fig. 6, the profile of the two eccentric pin portions 13, 14 is designed with an angle in cross section. Here, the contour 15 of the first eccentric pin part 13 and the contour 16 of the second eccentric pin part 14 are each designed in the polygonal sense, that is to say, in the preferred exemplary embodiment shown, in each case in the sense of a regular polygon, in particular in the sense of a regular octagon. A regular polygon is understood to mean a polygon whose sides and corners are identical.
Correspondingly, the octagonal cross-sectional profile 15 of the first eccentric pin portion 13 comprises eight corners 17 positioned on a first circle. Likewise, the cross-sectional profile 16 of the second eccentric pin portion 14 has eight corners 18 positioned on a second circle. The two circles have different radii. Thus, the corner 18 of the octagon of the second eccentric pin portion 14 is located at a smaller radius than the radius of the circle at which the corner 17 of the cross-sectional profile 15 of the first eccentric pin portion 13 is located.
The cross-sectional profiles 15, 16 of the two eccentric pin portions 13, 14, which are designed in the exemplary embodiment shown as regular octagonal profiles, are offset in two eccentric directions running perpendicular to one another, that is to say by different amounts. Here, the mutual orientation of the parts 10, 11 can be carried out by rotating the eccentric pin 12 through a respective 45 °, and that is to say, as shown in fig. 7, the mutual orientation of the parts 10, 11 is carried out in different phases (gradiation). The eccentric pin 12 is rotated in steps of 45 ° and in this way enables the two components to be oriented relative to one another in the direction of the arrow 19 shown in fig. 7 in different phases corresponding to each of the steps of 45 ° relative to a reference line (zero line) 20, above all due to the fact that the profile of the cross section of the eccentric pin sections 13, 14 is designed as regular octagons and is offset eccentrically from one another by different amounts in two eccentric directions extending perpendicularly to one another by these regular octagons.
Furthermore, it can be seen from fig. 1, 2, 5 and 6 that the eccentric pin 12 has a hole 21, which hole 21 extends through both eccentric pin parts 13, 14, wherein a fastening screw 22 cooperates with the hole 21. As already stated, with the two parts 10, 11 oriented to each other by means of the eccentric pin 12, the first eccentric pin portion 13 cooperates with the first part 10 and the second eccentric pin portion 14 cooperates with the second part 11, that is to say with the corresponding channels 23, 24 of the respective parts 10, 11. Here, the channels 23, 24 are embodied as elongated holes.
The channel 23 in the first component 10 cooperating with the first eccentric pin portion 13 of the eccentric pin 12 is embodied such that: the channel 23 receives the first eccentric pin 13 in a free of play manner in a first direction or correspondingly the first eccentric pin 13 in a substantially free of play manner, and there is a substantial play between the first eccentric pin 13 and the channel 23 of the first part 10 in a second direction extending perpendicularly to the first direction.
The contour of the channel 24 of the second part 11 is designed in a similar manner, so that the channel 24 receives the second eccentric pin part 14 of the eccentric pin 12 in a gap-free manner or in a nearly gap-free manner in the first direction, there being a significant gap between the second eccentric pin part 14 of the eccentric pin 12 and the channel 24 of the second part 11 in a second direction extending perpendicularly to the first direction.
The first direction in which the channels 23, 24 receive the respective eccentric pin portions 14 in a play-free manner extends in the direction in which the parts 10, 11 will be oriented relative to one another. The second direction in which the channels 23, 24 receive the respective eccentric pin portions 14 with clearance extends perpendicular to the direction in which the components 10, 11 will be oriented relative to each other. If the orientation of the components 10, 11 is to be performed in a horizontal direction, the first direction extends in the horizontal direction, and the channels 23, 24 are preferably arranged at the 6 o 'clock position and/or the 12 o' clock position of the components 10, 11. If the orientation is to be in a vertical direction, the first direction extends in the vertical direction, and the channels 23, 24 are preferably arranged at the 3 o 'clock position and/or the 9 o' clock position of the components 10, 11.
Now, in order to orient the two components 10, 11 with respect to one another, in the exemplary embodiment shown in fig. 1 to 4, the eccentric pin 12 is mounted in one of the orientations shown in fig. 7, so that the eccentric pin 12 is mounted on the second component 11 via the fastening screw 22 in one of the steps of 45 ° shown in fig. 7 or in one of the respective stages of 45 °, wherein here the second eccentric pin portion 14 of the eccentric pin 12 is received in the channel 24 of the second component 11. Subsequently, a loose reception of the two parts abutting against each other takes place, and that is to say, preferably, the second part 11 rests loosely on the first part 10 via the eccentric pin 12 or each eccentric pin 12 mounted thereon, that is to say, wherein the respective eccentric pin 12 is introduced with its first eccentric pin portion 13 into the corresponding channel 23 of the first part 10.
However, in contrast thereto, it is also possible to rest the first component 10 loosely on the or each eccentric pin 12 fastened to the second component 11, that is to say to rest the first component 10 loosely on the or each eccentric pin 12 fastened to the second component 11 by introducing the first eccentric pin portion 13 into the corresponding recess or corresponding channel 23 of the first component 10.
In the exemplary embodiment shown in fig. 1 to 4, the fastening screw 22 extends from the first eccentric pin portion 13 into the second eccentric pin portion 14 and into the second component 11. It is also possible that the tightening screw 22 extends in the opposite direction from the second eccentric pin portion 14 into the first eccentric pin portion 13 and into the first component 10, thereby tightening the eccentric pins 12 on the first component 10 and thereby resting the second component 11 loosely on the second eccentric pin portion 14 of the respective eccentric pin 12.
A particularly advantageous mutual orientation of the two components 10, 11 can be achieved in an exemplary embodiment shown below, in which the profile of the eccentric pin sections 13, 14 of the eccentric pin 12 is designed as a regular octagon, the eccentric pin sections 13, 14 of the eccentric pin 12 being offset eccentrically from one another in two eccentric directions running perpendicularly to one another, respectively. Thus, when the regular octagon is offset by 0.11 mm in the first eccentricity direction and 0.5 mm in the second eccentricity direction, the parts may be oriented stepwise by ± 0.11 mm, ± 0.276 mm, ± 0.431 mm and ± 0.5 mm, that is, by rotating the eccentric pin 12 in steps of 45 ° as shown in fig. 7. In FIG. 7, in the 0 position of the eccentric pin 12, the orientation is made at-0.11 mm above the reference line 20, in the 45 position of the eccentric pin 12, the orientation is made at +0.276 mm above the reference line 20, in the 90 position of the eccentric pin 12, the orientation is made at +0.5 mm above the reference line 20, in the 135 position of the eccentric pin 12, the orientation is made at +0.431 mm above the reference line 20, in the 180 position of the eccentric pin 12, the orientation is made at +0.11 mm above the reference line 20, in the 225 position of the eccentric pin 12, the orientation is made at-0.276 mm above the reference line 20, in the 270 position of the eccentric pin 12, the orientation is made at-0.5 mm above the reference line 20, in the 315 position of the eccentric pin 12, the orientation is made at-0.431 mm above the reference line 20.
Below the reference line 20, the sign of the stepwise orientation with respect to the reference line 20 changes stepwise in the respective positions of the eccentric pin 12 in steps of 45 ° by a uniform amount.
The channels 23, 24 are preferably embodied in so-called H7 mass (quality).
In the case of orienting the two parts 10, 11 with one another, it is sufficient to use a single such eccentric pin 12, wherein the orientation is carried out by selecting one of the positions of the eccentric pin 12 shown in fig. 7 relative to the reference line 20, and thus by one of the orientations of the eccentric pins 12 or one of the corresponding positions of the eccentric pins 12 shown in fig. 7 which differ from one another by steps of 45 °.
List of reference numerals
10 parts
11 parts
12 eccentric pin
13 eccentric pin part
14 eccentric pin part
15 cross-sectional profile
16 cross-sectional profile
17 corner
18 corner
19 orientation
20 reference line
21 holes
22 fastening screw
23 channel
24 channels.

Claims (14)

1. An eccentric pin (12) for orienting a first component (10) relative to a second component (11), the eccentric pin (12) having a first eccentric pin portion (13) and having a second eccentric pin portion (14), the first eccentric pin portion (13) cooperating with the first component (10), the second eccentric pin portion (14) cooperating with the second component (11), the second eccentric pin portion (14) being eccentrically positioned to the first eccentric pin portion (13), characterized in that the profiles of the first and second eccentric pin portions (13, 14) are respectively designed to be polygonal in cross-section, wherein the angular cross-sectional profile (15) of the first eccentric pin portion (13) is eccentrically offset by a first amount in a first eccentric direction relative to the angular cross-sectional profile (16) of the second eccentric pin portion (14), and is eccentrically offset by a second amount different from the first amount in a second eccentricity direction extending perpendicularly to the first eccentricity direction.
2. Eccentric pin according to claim 1, characterized in that the profile of the first eccentric pin part (13) and the second eccentric pin part (14) respectively is designed such that it is octagonal in cross-section.
3. Eccentric pin according to claim 1, characterized in that the first eccentric pin part (13) and the second eccentric pin part (14) each have a cross-sectional profile (15, 16) of a regular polygon.
4. Eccentric pin according to claim 3, characterized in that the first eccentric pin part (13) and the second eccentric pin part (14) each have a cross-sectional profile (15, 16) of a regular octagon.
5. Eccentric pin according to any of claims 1-4, characterized in that the circle where the corners (17) of the cross-sectional profile (15) of the first eccentric pin part (13) are located and the circle where the corners (18) of the cross-sectional profile (16) of the second eccentric pin part (14) are located have different radii.
6. Eccentric pin according to any of claims 1-4, characterized in that it has a hole (21), which hole (21) extends through the first eccentric pin part (13) and the second eccentric pin part (14), via which hole (21) the eccentric pin can be fastened on one of the first component (10) and the second component (11) to be oriented via a fastening screw (22) extending through the hole (21), wherein the other of the first component (10) and the second component (11) can rest on the eccentric pin.
7. Arrangement of a first part (10), a second part (11) and an eccentric pin (12), wherein the eccentric pin is according to any of claims 1-6, and the second part is oriented with respect to the first part by means of the eccentric pin.
8. Arrangement according to claim 7, characterized in that the eccentric pin (12) is fastened to the first component (10) or to the second component (11) via a fastening screw (22).
9. Arrangement according to claim 8, characterized in that the eccentric pin (12) is fastened to the first component (10) via the first eccentric pin portion (13) and that the second component (11) rests loosely on a second eccentric pin portion (14) of the eccentric pin (12).
10. Arrangement according to claim 8, characterized in that the eccentric pin (12) is fastened to the second component (11) via the second eccentric pin portion (14) and that the first component (10) rests loosely on the first eccentric pin portion (13) of the eccentric pin (12).
11. An arrangement according to any one of claims 7-10, characterized in that the first part (10) has at least one first channel (23) or at least one first elongated hole, which at least one first channel (23) or at least one first elongated hole receives the first eccentric pin part (13) of the eccentric pin (12), and that the second part (11) has at least one second channel (24) or at least one second elongated hole, which at least one second channel (24) or at least one second elongated hole receives the second eccentric pin part (14) of the eccentric pin (12).
12. An arrangement according to claim 11, characterized in that the dimensions of the first channel (23) or of the first elongated hole are adjusted relative to the first eccentric pin (13) such that the first channel (23) or the first elongated hole receives the first eccentric pin (13) in a first direction without a gap or with almost no gap, but receives the first eccentric pin (13) with a gap in a second direction extending perpendicular to the first direction, and the dimensions of the second channel (24) or of the second elongated hole are adjusted relative to the second eccentric pin (14) such that the second channel (24) or the second elongated hole receives the second eccentric pin (14) in the first direction without a gap or with almost no gap, but receives the first eccentric pin (14) with a gap in the second direction extending perpendicular to the first direction Two eccentric pin parts (14).
13. An arrangement according to claim 12, characterized in that the first direction extends in a direction in which the first and second components (10, 11) are to be oriented relative to each other.
14. An arrangement according to claim 12 or 13, characterized in that the second direction extends perpendicular to the direction in which the first and second components (10, 11) are to be oriented relative to each other.
CN201710630480.3A 2016-07-28 2017-07-28 Eccentric pin Active CN107664150B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016113920.3A DE102016113920A1 (en) 2016-07-28 2016-07-28 eccentric
DE102016113920.3 2016-07-28

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CN107664150B true CN107664150B (en) 2021-11-16

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JP (1) JP6860444B2 (en)
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CN (1) CN107664150B (en)
CH (1) CH712766B1 (en)
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SG11202004928PA (en) 2017-12-31 2020-06-29 Evertron Holdings Pte Ltd Moisture control apparatus, moisture control method, program, storage medium, produced object, product, apparatus, and facility

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JPH1077803A (en) * 1996-09-04 1998-03-24 Mitsubishi Heavy Ind Ltd Eccentric pin for positioning turbine blade ring
JP2002227810A (en) * 2001-01-29 2002-08-14 Railway Technical Res Inst Fixing device and railroad switch installation device

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CN100523722C (en) * 2008-08-13 2009-08-05 哈尔滨工业大学 Double offset parameter circle contour measurement model and biased error separation method
DE202009004589U1 (en) * 2009-04-02 2009-06-04 Acument Gmbh & Co. Ohg Exzentereinstellelement and eccentric disc for it
DE102011111816B4 (en) * 2011-08-27 2021-07-08 Volkswagen Aktiengesellschaft Device with eccentric piston pin to achieve a variable compression ratio in a reciprocating piston engine
CN202646282U (en) * 2012-06-20 2013-01-02 德清透平机械制造有限公司 Eccentric pin
DE202012102985U1 (en) * 2012-08-08 2012-11-23 Veka Ag Centering element for tool part elements of a plastic processing tool
DE102013108650A1 (en) * 2013-08-09 2015-02-12 Wittenstein Ag Mounting system with eccentric
DE102013217448A1 (en) * 2013-09-02 2015-03-05 Böllhoff Verbindungstechnik GmbH Connection insert and an embedding method and a manufacturing method thereof
DE102014222445A1 (en) 2014-11-04 2016-05-04 Bayerische Motoren Werke Aktiengesellschaft eccentric
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Publication number Priority date Publication date Assignee Title
JPH1077803A (en) * 1996-09-04 1998-03-24 Mitsubishi Heavy Ind Ltd Eccentric pin for positioning turbine blade ring
JP2002227810A (en) * 2001-01-29 2002-08-14 Railway Technical Res Inst Fixing device and railroad switch installation device

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DE102016113920A1 (en) 2018-02-01
KR102328023B1 (en) 2021-11-17
JP2018021666A (en) 2018-02-08
CH712766A2 (en) 2018-01-31
CN107664150A (en) 2018-02-06
KR20180013717A (en) 2018-02-07
CH712766B1 (en) 2020-11-13
JP6860444B2 (en) 2021-04-14

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