DE102006058903A1 - Measuring arrangement for measuring clearance between bearing internal part and fixed bearing external part of bearing e.g. pivot bearing in e.g. aircraft has jaws that are insertable between bearing fitting and bearing fork of bearing - Google Patents

Abstract

The present invention relates to a measuring arrangement (20) for measuring a clearance (83) between a bearing inner part (6) and a bearing outer part (7) of a bearing (4), in particular in an aircraft or spacecraft. The idea underlying the invention is to adjust the bearing inner part (6) relative to the bearing outer part (7) by means of an adjusting device (21) and to measure the displacement (80) effected by means of a measuring device (22). The advantage of the invention is that a much more accurate and repeatable measurement compared to the current measurement, which is based on the sensory perception and experience of the mechanic can be achieved by means of the invention.

Description

The The present invention relates to a measuring arrangement and a Measuring method for measuring a clearance between a bearing inner part and a bearing outer part a warehouse, especially in an aircraft or spacecraft.

Even though Applicable to any bearing, the present invention and its underlying problem with respect to a spherical plain bearing of a Aircraft articulating a rudder with a rudder connects, closer explained.

An example of such a joint bearing known to the Applicant is in 8th in a perspective view and in 9 in a perspective sectional view CC 8th shown.

A connection arrangement 1 for articulating a rudder to a rudder of an aircraft has a bearing fitting associated with the rudder 2 and a bearing fork associated with the vertical stabilizer 3 on which about a joint stock 4 are hinged together. As in 9 can be seen, the joint bearing points 4 one on a bearing bolt 5 firmly provided spherical bearing inner part 6 on, which with one on the bearing fitting 2 firmly provided, cupped bearing outer part 7 in sliding connection. holding means 8th . 9 . 10 are provided to the bearing pin 5 and the bearing inner part 6 detachable on the storage fork 3 to hold. In a rudder rudder the bearing outer part pivots 7 around the bearing inner part 6 ,

In particular, due to wear in the joint bearing 4 There may be a linear mobility between the bearing inner part 6 and the bearing outer part 7 come. This is referred to as a bearing clearance and must be checked at regular intervals to ensure the aircraft is functional. Excessive bearing clearance can cause vibration, loss of comfort, control problems, or even the loss of the fin during operation of the aircraft.

At present becomes the bearing clearance tested by an experienced mechanic, which Manually shaking the rudder and according to his Senses and experience judges whether an impermissibly large bearing play exists. One such manual testing is very inaccurate. This can for example to the premature Replacement of bearings come, which leads to high costs. Or but a faulty joint bearing is not exchanged and it comes to control problems of the aircraft in operation.

Another difficulty is that in principle several of the in 8th and 9 shown connecting arrangements are provided concentrically one above the other, wherein they connect the rudder at several points with the vertical stabilizer. For the mechanic, it is not possible to determine by simply shaking which of the multiple spherical plain bearings has an increased bearing clearance. This is due to the fact that the mechanic by shaking the rudder force applies to all and not just on a single bearing outer part. In case of doubt, all joint bearings must therefore be removed or the rudder dismantled and tested individually. However, this leads to high maintenance during regular maintenance and is only possible with special, complex equipment.

It is therefore an object of the present invention, a measuring arrangement and / or to provide a measuring method which provides a simple, reliable measurement a clearance of a bearing inner part relative to a bearing outer part, especially at control surfaces an aircraft or spacecraft.

According to the invention this Task by a measuring arrangement with the features of the claim 1 and by a measuring method with the features of the claim 19 solved.

Accordingly, a Measuring arrangement for measuring a game between a bearing inner part and a bearing outer part a warehouse, especially in an aircraft or spacecraft provided. The measuring arrangement has an adjusting device for adjusting the bearing inner part relative to the bearing outer part and a measuring device for Measuring the induced adjustment on.

Further is a method for measuring a bearing clearance between a bearing inner part and an outer bearing part, especially in an aircraft or spacecraft, with the following steps provided: adjusting the bearing inner part of a first Position of the bearing inner part of the bearing outer part to a second, the first opposite investment position on the bearing outer part by means of an adjusting device for adjusting the bearing inner part relative to the bearing outer part; and measuring the effected adjustment by means of a measuring device.

The The idea underlying the present invention is that that the measurement of the bearing clearance mechanized - in contrast to manual - takes place. The mechanized measurement of the bearing clearance allows a very accurate, reliable and repeatable measurement. This allows storage only then to exchange, if they actually worn out.

Farther a simple on-site measurement of the bearing clearance is made possible without requiring the removal of the rudder. Everybody can do that Spherical bearings are tested individually with regard to its bearing clearance. The reliability of the aircraft is thus increased.

Furthermore it falls much lighter, the bearing inner part relative to the fixed Bearing outer part to move, as the bearing outer part firmly attached to the bearing fitting of several hundred kilograms Rudder is attached, its inertia when jogging this, as in the known approach, overcome.

In the dependent claims find advantageous embodiments and improvements of Invention.

Under "Adjust" is present in one Movement of the bearing inner part relative to the bearing outer part along a straight or curved path. The Measurement between two points preferably comprises the measurement of Distance, for example in microns, along a straight connection between the two points.

With "bearing fitting" is always present meant the component which has the bearing outer part. The bearing outer part is preferably installed fixed in the bearing fitting. At a further preferred embodiment of the invention, the adjustment engages directly to the bearing inner part. Thus, very accurate measurement results can be achieve high repeatability. An adjustment of the initially described bearing pin in the plane perpendicular to its longitudinal axis would be too conceivable, but appears less accurate. For example, different Bearings have different tolerances. Then one would Adjust this by means of the adjustment to different Result in measurement results. The adjusting device therefore preferably has a measuring element on, which can be fixed in the bearing inner part. Such a measuring element can be manufactured with high precision and adapted to the measurement, so that one possible accurate and repeatable measurement can be done.

Farther Preferably, the measuring element is designed as a measuring pin, which can be inserted into a bore of the bearing inner part. This approach is particularly easy, after a bore for receiving the bearing pin already provided in the bearing inner part. Such a perfect fit Measuring bolt is then easy to attach to the bearing inner part and leads to very accurate measurement results.

According to one further preferred embodiment According to the invention, the adjusting device has an engagement means on, which can be brought into engagement with the measuring element. Such a multi-part construction allows the measuring element initially or in the bearing inner part at least in the plane of the adjustment firmly attach and in a further step, the adjustment by means of the engagement means with the measuring element into engagement bring. This appears already for reasons of the geometry of the storage fork or the bearing fitting advantageous.

at a further preferred embodiment of the invention, the adjusting device an axis of rotation about which the engaging means is pivotable. As a result, the measuring element fixed to the bearing inner part can become very strong easy to be adjusted.

Preferably the adjusting device has fastening means in its axis of rotation on, by means of which the adjusting device on a bearing fitting of Warehouse is fixed. Thus, an adjustment of the bearing inner part relative to the bearing outer part simple allows.

Prefers are the fasteners as a clamping device for clamping the Adjusting device formed on the bearing fitting. A pinch the adjuster on the bearing fitting is time-saving, and also allows a simple release of the adjustment again from the bearing fitting.

According to one preferred embodiment of The invention is a force measuring device for a repeatable measurement the adjustment provided by means of which one of the adjusting device on the bearing inner part applied force is measurable. This allows a Apply the bearing inner part to the bearing outer part with the amount always the same Force. This increases the repeatability of the measurement, since the applied force a Has influence on the effected adjustment. For example, this leads Applying a different force to different elastic Deformations of the bearing inner part and / or bearing outer part in their investment area, resulting in different measurement results leads.

In a further preferred embodiment of the invention, the force measuring device is designed as an elastic lever, by means of which the engagement means is pivotable about the axis of rotation. If the bearing inner part is brought into abutment with the bearing outer part by means of the adjusting device, it is, as already stated above, preferably necessary to apply the bearing inner part with a defined force to the bearing outer part. Consequently, during the adjustment, the elastic lever does not bend. Only then, when the bearing inner part is pressed against the bearing outer part, deforms the elas tables lever due to the at its end, for example, manually applied force. Based on this elastic deformation, the force by which the bearing inner part is pressed onto the bearing outer part, can be easily measured.

Especially preferred is the elastic deformation of the elastic Lever derivable force on a scale of the force measuring device read. Such a direct force determination is reliable and comes completely without electronic aids. Of course, however, could be additional electronic Aid may be provided to allow an even more accurate measurement enable and for example the measurement data in a memory for later evaluation store.

According to one further preferred embodiment of the invention, the engaging means at least a mouth piece for embracing the measuring bolt in sections, preferably on his Circumference, up. Due to the geometric conditions the bearing fitting or the storage fork offers the use such a mouth piece especially, as this by rectilinear movement of the adjustment can be brought into engagement with the measuring bolt.

Prefers the engagement means has two jaws for gripping the measuring bolt at opposite Ends up. As a result, a uniform force is introduced into the Inside bearing part ensured and tilting of the measuring pin relative prevents the adjustment.

Farther Preferably, the mouth is formed so flat that it is between a bearing fitting and a bearing fork of the bearing to the measuring bolt insertable is. This is for geometric reasons, ie a collision between the mouth and the bearing fitting and / or the storage fork to prevent, beneficial.

at a further preferred embodiment of the invention is has adjusting in its axis of rotation positioning means for positioning the adjusting device relative to the bearing outer part. Even if the attachment of the adjusting already preferably via fastening means done, can by providing additional Positioning means even minimal displacements of the fulcrum relatively to the bearing outer part or bearing fitting are prevented, which is a falsified Lead the measurement result could. In a further preferred embodiment of the invention the measuring device designed as a dial gauge. Dial gauges usually have one Measuring scale and a controlling these sensors, and allow one very simple measurement of caused by the adjustment Adjustment.

Preferably the dial gauge has a sensor on, which is spring-loaded on the measuring element or the bearing inner part can be applied. This ensures that the probe is at any time, so while the Lagerinnenteil is adjusted, the movement of the same follows and thus an accurate measurement is achieved.

Prefers is the sensor into a recess in the measuring bolt inserted and on an inner Wall of the bearing inner part can be applied. This will make an even more accurate Measurement allows, as a measurement of the effected adjustment on the measuring bolt itself For example, the same manufacturing tolerances subject.

in the With regard to the method according to the invention is preferably an in "opposite" in Regarding the diameter of the bearing outer part diametrical arrangement meant the first and second investment position. However, too a diagonally opposite Arrangement possible.

According to one further preferred embodiment of the method according to the invention is at the first and second stop position in each case the same amount Force to press of the bearing inner part against the bearing outer part by means of the adjusting device applied to the bearing inner part. This increases, as already described above, the Repeatability of the measurement.

According to one preferred embodiment of the method according to the invention is the bearing pin the bearing before adjusting the bearing inner part relative to the Bearing outer part replaced by a measuring element. This measure allows the bearing inner part unhindered to move relative to the bearing outer part.

at A preferred embodiment of the invention is after replacing of the bearing pin by the measuring element the same with an engaging means the adjusting engaged. By means of this procedure can easily meet the geometric requirements become.

According to one Further preferred embodiment of the invention is the effective section for adjusting the bearing inner part of the first bearing position pivoted in the second investment position. Such a panning is opposite a straight-line adjustment structurally easier to implement.

The Invention will be described below with reference to exemplary embodiments with reference explained in more detail on the accompanying figures of the drawing.

From show the figures:

1 a provided at an articulated connection between a bearing fitting and a bearing fork measuring arrangement according to an embodiment of the present invention;

2 a view A seen in the arrow direction 1 ;

3 a perspective view of the adjustment of 1 ;

4 a sectional view taken along the section line BB 1 ;

5 schematically the cut out 4 wherein the bearing inner part is in any position relative to the bearing outer part;

6 the schematic view 5 , wherein the bearing inner part is in a first abutment position on the bearing outer part;

7 the schematic view 5 , wherein the bearing inner part is in a second abutment position on the bearing outer part;

8th a perspective view in 1 shown, known connection arrangement for articulating a bearing fitting of a rudder with a bearing fork of a rudder; and

9 a perspective sectional view along the section line CC 8th ,

In the same reference numerals designate the same or functionally identical Components, unless stated otherwise.

1 shows in perspective that already in the 8th and 9 described arrangement 1 with the bearing fitting 2 and the storage fork 3 , Furthermore, a measuring arrangement can be seen 20 which an adjusting device 21 and a measuring device 22 having.

Before attaching the measuring device 20 is the in 8th and 9 illustrated bearing pin 5 by one in for example 2 illustrated measuring bolt 33 to replace, including the holding means 9 . 10 get extended.

The adjusting device 21 is divided into a lever 23 , by means of which a firmly connected to this engagement means 24 one at the bearing fitting 2 fixed axis of rotation 25 is pivotable.

The measuring device 22 is preferably at one end 26 by means of a terminal block 27 on the bearing fitting 2 established. At its other, preferably a lockable pivot axis 28 relative to the one end 26 swiveling end 30 is a dial gauge 31 with a probe 32 who like in 4 shown with the bearing inner part 6 is in contact, provided.

2 shows in a perspective view enlarged the adjusting device 21 , with the storage fork 3 is shown transparent.

On a recording piece 34 are an upper and lower flat mouth piece 35 . 36 attached, which the measuring bolt 33 at its upper end 37 or lower end 38 , as shown in 4 to be engaged. In 3 clamping means shown in detail 40 are at the bearing fitting 2 releasably attachable.

Opposite to the upper and lower mouth piece 35 . 36 are on the recording piece 34 a scale 41 and the lever 23 made of resilient material, such as steel, attached. Furthermore, the lever points 23 one of the scale 41 opposite hands 42 on.

The upper and lower mouth piece 35 . 36 each have a concentric bore 45 on. Through these holes are the storage fork 3 assigned positioning sections 46 . 47 plugged. These serve on the one hand in position of the adjustment 21 , in particular during a force application of the lever 23 , On the other hand, have the positioning sections 46 . 47 a bearing and guide function for the upper and lower jaw piece 35 . 36 to the rotation axis 25 train.

By means of the lever 23 are therefore the upper and lower jaw piece 35 . 36 around the axis of rotation 25 pivotable. Requires further movement of the upper and lower jaw pieces 35 . 36 in a pan direction 48 respectively. 49 a significant torque around the axis of rotation 25 , so the elastic lever bends 23 as indicated in 2 , This also moves the pointer 42 relative to the scale 41 , This makes it very easy to do this on the measuring pin 33 measure applied force.

3 shows in perspective the adjusting device 21 , wherein in particular the structure of the clamping means 40 can be seen.

The storage fork 3 assigned positioning sections 46 and 47 are each preferably as a profile part with a roughly crescent-shaped cross-section 44 and a side surface 50 formed, with the side surface 50 such that it is the outer contour 51 the storage fork 3 follows.

The storage fork 3 assigned position nierabschnitte 46 . 47 are about a the bearing fitting 2 associated intermediate positioning section 52 connected with each other. The bearing fitting 2 assigned positioning section 52 is preferably also as a profile part with an approximately crescent-shaped cross section and a side surface 50 formed, with the side surface 53 such that it is the outer contour 51 of the bearing fitting 2 follows.

Furthermore, the clamping means 40 jaws 57 and 58 on, which by means of screws 59 . 60 for clamping the bearing fitting 2 towards each other and to move away from each other are movable.

Furthermore, guide screws 61 . 62 in the positioning section 52 firmly screwed. The guide screws act with their shank 61 . 62 as gate elements for slots 63 . 64 in the upper mouth piece 35 , They ensure a guided rotation of the upper mouth piece 35 around the axis of rotation 25 ,

4 shows a perspective sectional view along the section line BB 1 ,

The measuring bolt 33 is preferably a perfect fit in the hole 11 for the bearing pin 5 in the spherical bearing inner part 6 inserted. At its top and bottom 37 . 38 is the measuring bolt 33 with oppositely oriented chamfers 65 . 66 Mistake. These chamfers stand with corresponding chamfers 69 . 70 of the upper or lower mouth piece 35 . 36 engaged and thus prevent slipping of the measuring bolt 33 in its longitudinal direction.

Furthermore, the measuring bolt 33 a recording 71 for a ball lock pin. The ball lock pin (not shown) is inserted into the receptacle during assembly of the measuring assembly 71 introduced and there in a groove 72 locked. By means of the ball locking pin is then the measuring pin 33 into the hole 11 in the bearing inner part 6 introduced. Preferably, furthermore, a pressure piece (not shown) in a pressure piece receptacle 73 intended. This is spring-loaded against an inner wall 78 the bore 11 and prevents slipping out of the measuring bolt 33 from the bearing inner part 6 as long as this is not yet with the intervention means 24 , ie the upper and lower mouth piece 35 . 36 , has been engaged.

Furthermore, the measuring bolt has a recess 77 on, in which the sensor 32 is insertable to this on the inner wall 78 of the bearing inner part 6 , preferably spring-loaded, create.

5 to 7 schematically show the sectional view 4 and illustrate the underlying measurement principle.

5 shows a first process state in the measurement of the bearing clearance. The in the 8th and 9 illustrated bearing bolt 5 is out of the hole 11 of the bearing inner part 6 removed and through a measuring bolt 33 been replaced. The bearing inner part 6 is located at any position relative to the bearing outer part 7 , where the distance between the Lagerinneteil 6 and bearing outer part 7 with the reference number 80 is specified.

In a further process step, the lever 23 in the direction of the arrow 81 , as in 2 shown, operated. This will cause the jaws to pivot 35 . 36 in the direction of the arrow 48 in 2 until the inner part of the bearing 6 in contact with the bearing outer part 7 comes as by the shrunk to more or less zero distance 80 in 6 is hinted at. Subsequently, the lever 23 with a defined force, in particular manually, in the direction of the arrow 81 applied. The lever bends 23 elastic and the applied force can by means of the pointer 42 and the scale 41 , as in 2 can be read. At this time will also be the dial gauge 31 reset, so the measurement starts from here at zero and is referred to herein with the investment position P1.

Subsequently, the lever 23 with a force in the opposite direction 82 , as in 2 shown acted upon. This pivots the upper and lower mouth piece 35 . 36 in the direction 49 in 2 , until the inner part of the bearing 6 opposite comes into contact. Again, the same amount of force on the lever 23 in the direction 82 applied. The then from the bearing inner part 6 assumed investment position is denoted by P2.

The from the probe 32 the distance covered is on the assigned dial gauge 31 displayed. The difference between the measured values for the abutment positions P1 and P2 corresponds to the bearing clearance 83 of the camp 4 ,

Consequently, by means of the present measuring arrangement and measuring method, a bearing clearance can be measured accurately and repeatably, without the very expensive disassembly of the rudder or the expansion of the joint bearing 4 to require.

Alternatively, the measurement of the adjustment of the bearing inner part 6 relative to the bearing outer part 7 even without the application of a defined force. However, such a measurement would be less accurate.

As already shown, the Seitenflä chen 50 . 53 the positioning sections 46 . 47 . 52 such that they have the corresponding contours 51 . 54 of the bearing fitting 2 or the storage fork 3 correspond. To the bearing game 83 Therefore, for example, an adaptation of the side surfaces must be measured on other spherical bearings, in particular those of the rudder 50 . 53 to the geometry of the contours of the respective bearing fitting or the respective storage fork done. It is therefore advantageous to provide a modular system in which several such adjustment 21 be provided, which, for example, with respect to the design of the side surfaces 50 . 53 or in the diameter of the measuring bolt 33 differ.

Even though the present invention based on a preferred embodiment It is not limited to this, but in many ways modifiable, For example, a digital instead of a analog measurement of the adjustment made. Also the creation of the defined force on the lever can be automated, in particular electromechanical or electro-pneumatic. Furthermore, storage media be provided to the measured values later easily available do.

Of course you can also the rudder the bearing fitting and the rudder the Have storage fork.

The The present invention relates to a measuring arrangement for measuring a game between a bearing inner part and a bearing outer part a warehouse, especially in an aircraft or spacecraft. The invention underlying idea is the bearing inner part relative to the bearing outer part to adjust by means of an adjustment and the effected To measure adjustment by means of a measuring device. The advantage of the invention lies in that by means of the invention a much more accurate and repeatable measurement versus the current one Measurement based on the sensory perception and experience of a mechanic based, can be achieved.

1

joint assembly

2

mounting bracket

3

bearing fork

4

Spherical Plain bearings

5

bearing bolt

6

Bearing inner part

7

Bearing outer part

8th

holding means

9

holding means

10

holding means

11

drilling

20

measuring arrangement

21

adjustment

22

measuring device

23

lever

24

engagement means

25

axis of rotation

26

one The End

27

terminal block

28

swivel axis

30

other The End

31

gauge

32

probe

33

plunger

34

spigot

35

upper mouth piece

36

lower mouth piece

37

upper The End

38

lower The End

40

clamping means

41

scale

42

pointer

44

cross-section

45

drilling

46

positioning section

47

positioning section

48

pan direction

49

pan direction

50

side surface

51

outer contour

52

positioning section

53

side face

54

outer contour

57

jaw

58

jaw

59

screw

60

screw

61

lead screw

62

lead screw

63

slot

64

slot

65

chamfer

66

chamfer

69

chamfer

70

chamfer

71

Quick Release Pin recording

72

groove

77

recess

78

wall

80

distance

81

direction

82

direction

83

bearing clearance

21

first investment position

22

second investment position

Claims (23)

Measuring arrangement ( 1 ) for measuring a game ( 83 ) between a bearing inner part ( 6 ) and an outer bearing part ( 7 ) of a warehouse ( 4 ), especially in an aircraft or spacecraft, with an adjustment device ( 21 ) for adjusting the bearing inner part ( 6 ) relative to the bearing outer part ( 7 ) and a measuring device ( 22 ) for measuring the induced displacement ( 80 ). Measuring arrangement according to claim 1, characterized in that the adjusting device ( 21 ) directly on the bearing inner part ( 6 ) attacks. Measuring arrangement according to claim 1 or 2, characterized in that the adjusting device ( 21 ) a measuring element ( 33 ), which in the bearing inner part ( 6 ) is determinable. Measuring arrangement according to claim 3, characterized in that the measuring element ( 33 ) is designed as a measuring pin, which in a bore ( 11 ) of the bearing inner part ( 6 ) can be inserted. Measuring arrangement according to claim 3 or 4, characterized in that the adjusting device ( 21 ) an intervention means ( 24 ), which with the measuring element ( 33 ) is engageable. Measuring arrangement according to claim 5, characterized in that the adjusting device ( 21 ) a rotation axis ( 25 ) around which the engagement means ( 24 ) is pivotable. Measuring arrangement according to claim 6, characterized in that the adjusting device ( 21 ) on its axis of rotation ( 25 ) Fastening means ( 40 ), by means of which the adjusting device ( 21 ) on a bearing fitting ( 2 ) of the warehouse ( 4 ) is determinable. Measuring arrangement according to claim 7, characterized in that the fastening means ( 40 ) as a clamping device ( 40 ) for clamping the adjusting device ( 21 ) to the bearing fitting ( 2 ) are formed. Measuring arrangement according to one of the preceding claims, characterized in that a force measuring device ( 23 . 41 . 42 ) is provided for a repeatable measurement of the adjustment, by means of which one of the adjusting device ( 21 ) on the bearing inner part ( 6 ) applied force is measurable. Measuring arrangement according to claim 9, characterized in that the force measuring device ( 23 . 41 . 42 ) as an elastic lever ( 23 ) is formed, by means of which the intervention means ( 24 ) about the axis of rotation ( 25 ) is pivotable. Measuring arrangement according to claim 9 or 10, characterized in that one of an elastic deformation of the elastic lever ( 23 ) derivable force on a scale ( 41 ) of the force measuring device ( 23 . 41 . 42 ) is readable. Device according to at least one of the preceding claims 5 to 11, characterized in that the engagement means ( 24 ) at least one mouth piece ( 35 . 36 ) for partially gripping the measuring bolt ( 33 ) has at its periphery. Measuring arrangement according to claim 12, characterized in that the engagement means ( 24 ) two mouthpieces ( 35 . 36 ) for grasping the measuring bolt ( 33 ) at opposite ends ( 37 . 38 ) having. Measuring arrangement according to one of claims 12 or 13, characterized in that the at least one jaw ( 35 . 36 ) is formed so flat that between a bearing fitting ( 2 ) and a storage fork ( 3 ) of the warehouse ( 4 ) to the measuring bolt ( 33 ) is insertable. Measuring arrangement according to at least one of the preceding claims 6 to 14, characterized in that the adjusting device ( 21 ) in its axis of rotation ( 25 ) Positioning means ( 46 . 47 . 52 ) for positioning the adjusting device ( 21 ) relative to the bearing outer part ( 7 ) having. Measuring arrangement according to at least one of the preceding claims, characterized in that the measuring device ( 22 ) as dial gauge ( 31 ) is trained. Measuring arrangement according to claim 16, characterized in that the dial gauge ( 31 ) a sensor ( 32 ), which on the measuring element ( 33 ) or the inner part of the bearing ( 6 ) spring-loaded can be applied. Measuring arrangement according to claim 17, characterized in that the measuring sensor ( 32 ) in a recess ( 77 ) in the measuring bolt ( 33 ) and on an inner wall ( 78 ) of the bearing inner part ( 6 ) can be applied. Method for measuring a game ( 83 ) between a bearing inner part ( 6 ) and an outer bearing part ( 7 ) in an aircraft or spacecraft, comprising the following steps: - adjustment of the inner part of the bearing ( 6 ) from a first bearing position (P1) of the bearing inner part ( 6 ) on the outer bearing part ( 7 ) to a second, the first opposite abutment position (P2) on the bearing outer part ( 7 ) by means of an adjusting device ( 21 ) for adjusting the bearing inner part ( 6 ) relative to the bearing outer part ( 7 ); and - measuring the adjustment ( 80 ) by means of a measuring device ( 22 ). A method according to claim 19, characterized ge indicates that at the first and second abutment position (P1, P2) in each case the same amount of force for pressing the inner bearing part ( 6 ) against the bearing outer part ( 7 ) by means of the adjusting device ( 21 ) on the bearing inner part ( 6 ) is applied. Method according to claim 19 or 20, characterized in that a bearing bolt ( 5 ) of the warehouse ( 4 ) before adjusting the inner part of the bearing ( 6 ) relative to the bearing outer part ( 7 ) by a measuring element ( 33 ) is replaced. A method according to claim 21, characterized in that after the replacement of the bearing pin ( 5 ) through the measuring element ( 33 ) the same with an intervention means ( 24 ) of the adjusting devices ( 21 ) is engaged. Method according to claim 22, characterized in that the engagement means ( 24 ) for adjusting the bearing inner part ( 6 ) is pivoted from the first stop position (P1) to the second stop position (P2).