EP0368299A1 - Dispositif pour vérifier la position relative de deux axes optiques - Google Patents

Dispositif pour vérifier la position relative de deux axes optiques Download PDF

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Publication number
EP0368299A1
EP0368299A1 EP89120735A EP89120735A EP0368299A1 EP 0368299 A1 EP0368299 A1 EP 0368299A1 EP 89120735 A EP89120735 A EP 89120735A EP 89120735 A EP89120735 A EP 89120735A EP 0368299 A1 EP0368299 A1 EP 0368299A1
Authority
EP
European Patent Office
Prior art keywords
test
deflection
elements
support tube
auxiliary
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.)
Granted
Application number
EP89120735A
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German (de)
English (en)
Other versions
EP0368299B1 (fr
Inventor
Erwin Ing. Francke (Grad.)
Rudolf Techniker Handke
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.)
Mannesmann Demag Krauss Maffei GmbH
Original Assignee
Krauss Maffei AG
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 DE19883838381 external-priority patent/DE3838381A1/de
Application filed by Krauss Maffei AG filed Critical Krauss Maffei AG
Publication of EP0368299A1 publication Critical patent/EP0368299A1/fr
Application granted granted Critical
Publication of EP0368299B1 publication Critical patent/EP0368299B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/32—Devices for testing or checking
    • F41G3/323—Devices for testing or checking for checking the angle between the muzzle axis of the gun and a reference axis, e.g. the axis of the associated sighting device

Definitions

  • the invention relates to a device according to the preamble of claim 1 and to methods for using such a device, as is known from DE-OS 32 05 610.
  • the test device for the parallelism of two optical axes described in DE-OS 32 05 610 comprises two scissors-like optical deflection systems connected in a scissor-like manner, which in each scissor position offset an incident light beam (which is emitted, for example, from a light source adapted in the gun barrel in an axially parallel manner) , so that the emerging light beam (which, for example, falls into a telescopic sight of the weapon system) runs exactly parallel to the weapon barrel axis, regardless of the scissor angle at which the two deflection systems are positioned.
  • the desired parallel offset can thus be achieved by adjusting the scissor angle.
  • Each of the two deflection systems consists of a support tube with entry and exit windows at the ends of the tube jacket. Behind the entrance window of the front deflection system there is a plane mirror inclined by 45 ° with respect to the pipe axis, which is opposite a 45 ° roof prism on the exit window.
  • the 45 ° roof prism has been replaced by a second, 45 ° inclined plane mirror.
  • the light paths between the two plane mirrors or between the plane mirror and the roof prism run through the hollow tube interior. Since the tube lengths or the length of each light path between the plane mirror and the roof prism must be relatively large, in order to achieve the required displacement distances of up to about 1.50 m, for example in anti-tank armored vehicles, the problem arises in practice that even a slight misalignment from plane mirror to plane mirror or from plane mirror to roof prism and vice versa (e.g.
  • a self-test position is provided in the known test device, in which the two deflection systems are rotated relative to one another in such a way that the exit window of the rear deflection system comes to lie over a test window which is arranged opposite the entry window of the front deflection system, as a result of which the emerging light beam is superimposed with the incoming light beam.
  • interference lines appear on an axial view of the front deflection system.
  • the object of the invention is to provide a device of the type mentioned at the outset, which ensures the axis parallelism of the incoming and outgoing light beams, regardless of occurring bending of the support tube, so that measurement errors in all scissor positions and under all temperature conditions can be excluded.
  • test device for checking the axial position between a weapon barrel and a line of sight of the weapon system (adjustment test) is specified in the independent claim 10.
  • test device for checking the synchronism between an elevated weapon barrel and a line of sight of the weapon system moved parallel thereto is specified in the independent claim 11.
  • the invention is based on the consideration of arranging optical deflection elements which are stable in position in each of the two support tubes and of providing triple elements and possibly rhomboid or Z elements as deflection elements.
  • the deflection elements are arranged in such a way that the light entry or light exit surfaces of adjacent deflection elements overlap one another. Even with larger deflections of the support tubes and thus the position of the individual deflection elements relative to one another, the overall deflection remains unaffected due to the stable deflection in each individual deflection element.
  • test device 1 is composed of two longitudinal arms in the form of support tubes 2, 3, which are connected to one another in a scissor-like manner via a joint 4.
  • the total length of the test device 1 can be infinitely adjusted as required via the connecting joint 4, the total length being understood to mean the offset between the incoming and outgoing light beam.
  • An angle scale (not shown) is attached to the joint 4 in order to be able to set the scissor angle between the two support tubes 2, 3 in a defined manner.
  • the deflection optics held in each carrier tube 2, 3 comprises a number of triple elements 5, each of which has three reflection surfaces 6, 7 and 8 which are at right angles to one another.
  • the deflection elements 5 can be made of full glass (triple prisms), surface mirrors (triple mirrors), for example in shape consist of glass tubes (Fig. 9), in which the front end is chamfered and the rear end is chamfered twice (apex 90 °), these inclined surfaces are provided with surface plane mirrors (triple mirror).
  • a rhomboid or Z element 28 can also be provided, as shown in the embodiment according to FIG. 9, which in the case of FIG. 9 consists of a glass tube with two pointed ends, which in turn are provided with surface plane mirrors are.
  • the rhomboid element 28 replaces two triple elements 5 in the carrier tube 2.
  • Each triple element 5 contains a radiation entry region 9 and a radiation exit region 10, the triple elements 5 in the carrier tubes 2, 3 according to FIG. 1 or the triple elements 5 and the rhomboid element 28 in the carrier tube 2 and the triple elements 5 in the carrier tube 3 according to FIG. 9 in each case are arranged in such a way that the beam exit area 10 of an element 5 or 28 is opposite the beam entry area 9 of the downstream (adjacent) element 5, that is to say the areas 9, 10 overlap one another. This overlap requires a corresponding one shown in FIGS. 1 and 9 clearly shown offset of successive elements 5, 28.
  • the connecting joint 4 has a free beam passage, in which, in the case of FIG. 1, a correction element 11 is arranged which has optical wedge disks which can be rotated relative to one another.
  • the front support tube 2 has for attaching the test device 1 e.g. on a weapon (cf. FIG. 12) a clamping joint 31 (FIG. 9) which, like the connecting joint 4, carries an angle scale (not shown).
  • window openings 12a, 12b (support tube 2) and 13 (support tube 3) are provided in the region of the end faces in order to allow the radiation to enter and exit from the support tubes 2, 3.
  • the window openings 12a and 12b lie radially opposite one another, only the window opening 12a being used for the normal operation of the test device 1 (test position according to FIG. 1).
  • the window opening 12b is only in the self-test position of the device 1 according to FIGS. 2 and 9 used, as will be explained in more detail.
  • the parallelism of the incoming and the outgoing beam is checked. This is done in that the carrier tube 2 is folded parallel to the carrier tube 3, so that the beam entering the device 1 (target line 14 'in Fig. 2) and the exit beam superimposed on the incoming beam (target line 14in in Fig. 2nd ) can be observed by an observation device arranged in the emitting radiation source 15.
  • the radiation source 15 is used for the function test, which is also provided for the normal test function of the device 1 (FIG. 1), as shown in FIGS. 12 and 13 will be explained in more detail.
  • FIG. 1 the radiation source 15 is used for the function test, which is also provided for the normal test function of the device 1 (FIG. 1)
  • an autocollimator 150 is used as the radiation source for the self-test, which is arranged in front of a third window opening 12c in the end face of the carrier tube 2.
  • the implementation The self-test in the device 1 according to FIG. 9 is based on FIGS. 10 and 11 explained in detail. In the case of FIG. 2, the self-test is carried out as follows:
  • the first reflection surface 6 at the window opening 12 of the support tube 2 is a semi-transparent mirror, e.g. partially mirrored mirrors in the visible wavelength range.
  • the beam emerging from the radiation source 15 can be returned to the radiation source 15 as a reflected beam (target line 14 ⁇ ) and the parallelism of both beams can be checked.
  • This is done by means of a beam splitter 26 arranged in the radiation source 15 or in the mirror collimator, through which in the eyepiece 27 on the one hand the line mark 19 generated by a line marker carrier 18 of the target line 14 'and on the other hand the line mark 19' of the reflected target line 14 'can be reproduced.
  • a possible deposit of the reflected line mark 19 'from the line mark 19 indicates the inaccuracy of the test device 1, which can be eliminated via the correction element 11.
  • a small auxiliary prism 62 and 81 are arranged on the first mirror surface 6 and on the last mirror surface 8 of the deflection system located in the support tube 2, the auxiliary prism 62 in the beam path of a first measuring beam 152 and the auxiliary prism 81 in the beam path of a second measuring beam 153 of the autocollimator 150.
  • the auxiliary prism 62 sits on one semi-permeable plate 61.
  • the plate 61 covers two circular openings 63, 64 in the reflection surface 6.
  • an adjustable diaphragm 151 is arranged, which covers the measuring beams 152, 153 in the position according to FIG. 10 and in the position according to FIG 11 transmits the measuring beam 152 to the auxiliary prism 61 and the measuring beam 153 via the circular opening 64 to the auxiliary prism 81.
  • an auxiliary beam path 154 is released, which passes the auxiliary prism 62 through the circular opening 64, strikes the reflecting surface 8 next to the auxiliary prism 81 and from there into the deflection system of the rear support tube 3 (which is indicated in Fig. 10 only by the beam path) occurs. From there, the auxiliary beam 154 falls through the window openings 13, 12b (FIG. 9) onto the reflection surface 6 and from there into the autocollimator 150.
  • the adjusting device 30a may be adjusted until the calibration test no longer shows any deviations. This means that only the front deflection system (support tube 2) is calibrated. Subsequently, the rear deflection system (carrier tube 3) is also calibrated to the front deflection system by adjusting the rear deflection system in the "function test" position according to FIG. 10 by means of the adjusting device 30b until the measurement marks have disappeared in accordance with the auxiliary beam path 154.
  • the test device 1 can be used for the adjustment test (FIG. 13) and for the synchronization test (FIG. 12) of the weapon barrels 101, 102 of a weapon system, in the example shown an anti-aircraft armored vehicle.
  • the test device 1 is fastened to the weapon barrel 101 to be tested by means of the clamping joint 31, while the radiation source 15 (collimator) is fastened in the rear region of the weapon barrel 101 or to its pivot bearing 104.
  • the beam emitted by the collimator 15 strikes the light entry window 12a of the carrier tube 4 and is deflected via the device 1 to the target line 14 of the gunner's periscope 22, which is moved synchronously with the weapon 101.
  • the attachment of the collimator 15 in the rear region of the weapon barrel 101 or of the rotary bearing 104 ensures that the collimator 15 remains unaffected by bending of the weapon barrel 101, as can occur due to the weight of the test device which is necessarily positioned further forward.
  • the light beam emitted by collimator 15 accurately reflects the angular position of the weapon. This exact angular position is passed on to the periscope 22 by the test device 1, regardless of its possible change in position due to the bending of the weapon barrel.
  • the device 1 is attached with its clamping joint 31 to a stand 107 and adjusted so far that the light entry window 12a in the beam path of a collimator 15 (FIG. 1) fitted in the weapon barrel 101 and the light exit window 13 in the beam path of the periscope 22.
  • the radiation source or the collimator 15 is adapted in a precise fixation in the mouth of the gun barrel 101 in such a way that the core axis 17 of the gun barrel 101 coincides with the target line 14 generated by the radiation source 15.
  • a line mark carrier 18 Arranged in the radiation source 15 is a line mark carrier 18 (FIG.
  • a line mark 19 representing the adjustment position of the weapon 16 around the eyepiece 20 of the commandant periscope 17 can be represented via the target line 14 entering the beam path of the commander periscope 17.
  • a possible deposit of the line mark 19 from the sighting mark 21 of the commander's periscope 17 thus shows the adjustment deviation to be corrected between the target line of the cannon and the sighting line of the commander's periscope.
  • the adjustment position is checked in the same way with respect to the gunner's periscope 22, the target line 14 being able to be aligned with the beam path of the gunner's periscope by simply pivoting the longitudinal arms 2 and 3 about the axis 4 of the joint 4.
  • the line mark 19 can also be imaged in the thermal imaging device 23.
  • the window opening 13 is in the transmission beam 25 of the laser transmitter 24 and the window opening 12ain Beam path of the radiation source 15 is pivoted, with a radiation-sensitive plate being swiveled in instead of the line mark carrier 18, with which the radiation from the laser transmitter 24 can be made visible.
  • Panels coated with phosphorescent material are particularly suitable for this purpose, since they are reusable.
  • the line mark carrier 18 and the radiation-sensitive plate are arranged so that they can be pivoted into the beam path of the radiation source 15 as required.
  • the light energy of the laser 24 is directed to the radiation source 15 via the test device and there generates an afterglow point on the radiation-sensitive plate.
  • the angular position of this point with respect to a periscope for example the commander's periscope 17, can then be made visible by pivoting the window opening 13 out of the transmission beam 25 of the laser transmitter 24 into the beam path of the commander's periscope 17.
  • a possible deposition of the afterglow point from the sighting mark 21 of the commandant's periscope 17 indicates the adjustment deviation of the laser transmitter 24 to be corrected from the commandant's periscope 17 which has already been adjusted.
  • the collimator 15 is first adjusted to the crosshairs of the periscope 22, e.g. by means of a side and height-adjustable bracket, not shown in FIG. After the pivoting of the test device 1 into the line of sight of the periscope 22, the line mark of the collimator 15 appears in the periscope eyepiece
  • the synchronism check of non-optical target devices requires, as with the adjustment check, a separate telescope which is attached to the elevatable device to be tested.
  • FIG. 3 shows the basic structure of a test device containing optical rhomboid elements 28.
  • a parallel offset of a target line 14 generated by a radiation source 15, for example a mirror collimator fastened in the mouth of a cannon, can thus also be achieved, with which, in the same way as with the embodiment according to FIGS. 1 and 2, the adjustment position and the synchronism of the commander's periscope 17, of the directional protection periscope 22 and other elements can be checked.
  • the rhomboid elements 28 each contain two mutually parallel rhomboid reflection surfaces 29 with which a Z-shaped parallel offset of the target line 14 can be achieved. In contrast to the triple element 5, a rhomboid element 28 is cheaper.
  • the embodiment shown in FIG. 3 consists of only one longitudinal arm, but a two-armed, articulated test device corresponding to the embodiment according to FIG. 1 can also be created when using rhomboid elements.
  • the carrier tubes 2, 3 are each formed from two half-shells, with all elements 5, 28 of the carrier tube 2 and 3 respectively which are attached to a half shell by means of shock-absorbing clamps. These load-bearing half-shells are connected to one another via the joint 4.
  • a coordinate drive 200 can also be used, as shown in FIG. 14, which has horizontally displaceable guides 201, 203, on which vertically movable carriages 202 and 204 are mounted. The ends of the test device 1 are rotatably mounted on the slides 202, 204. Any points in the coordinate plane of the drive 200 can thus be approached with the light entry and exit windows 12a and 13 of the device 1.
  • the drive 200 is preferably designed to be program-controlled so that the axis positions of the viewing devices or weapons of a wide variety of vehicles can be approached with the test device 1 by appropriate preprogramming.
  • Another important advantage of the invention is that by using auxiliary prisms, a functional test of the test device and a possible (subsequent) calibration on the spot is possible, which avoids a time-consuming submission of the test device to the manufacturing plant.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP19890120735 1988-11-11 1989-11-09 Dispositif pour vérifier la position relative de deux axes optiques Expired - Lifetime EP0368299B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3838381 1988-11-11
DE19883838381 DE3838381A1 (de) 1987-11-12 1988-11-11 Vorrichtung und verfahren zum ueberpruefen der achslage zweier optischer achsen

Publications (2)

Publication Number Publication Date
EP0368299A1 true EP0368299A1 (fr) 1990-05-16
EP0368299B1 EP0368299B1 (fr) 1994-01-19

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EP19890120735 Expired - Lifetime EP0368299B1 (fr) 1988-11-11 1989-11-09 Dispositif pour vérifier la position relative de deux axes optiques

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647152A1 (de) * 1996-11-14 1998-05-28 Sick Ag Laserabstandsermittlungsvorrichtung
CN114545645A (zh) * 2022-02-28 2022-05-27 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） 一种潜望式集成光路的装调方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE216854C (fr) * 1908-04-04
DE3205610A1 (de) * 1982-02-17 1983-08-25 Berthold 5401 Buchholz Hajen Optisches parallelitaets- und gleichlaufpruefgeraet
EP0189001A1 (fr) * 1984-11-16 1986-07-30 Wild Heerbrugg Ag. Procédé et dispositif pour l'alignement de l'axe du canon d'une arme à feu
EP0315892A1 (fr) * 1987-11-12 1989-05-17 Krauss-Maffei Aktiengesellschaft Dispositif de test pour la vérification du simbleautage et du parallélisme d'arme et de dispositif de visée d'un véhicule de combat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE216854C (fr) * 1908-04-04
DE3205610A1 (de) * 1982-02-17 1983-08-25 Berthold 5401 Buchholz Hajen Optisches parallelitaets- und gleichlaufpruefgeraet
EP0189001A1 (fr) * 1984-11-16 1986-07-30 Wild Heerbrugg Ag. Procédé et dispositif pour l'alignement de l'axe du canon d'une arme à feu
EP0315892A1 (fr) * 1987-11-12 1989-05-17 Krauss-Maffei Aktiengesellschaft Dispositif de test pour la vérification du simbleautage et du parallélisme d'arme et de dispositif de visée d'un véhicule de combat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19647152A1 (de) * 1996-11-14 1998-05-28 Sick Ag Laserabstandsermittlungsvorrichtung
US5991011A (en) * 1996-11-14 1999-11-23 Sick Ag Laser distance finding apparatus
CN114545645A (zh) * 2022-02-28 2022-05-27 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） 一种潜望式集成光路的装调方法
CN114545645B (zh) * 2022-02-28 2023-09-26 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） 一种潜望式集成光路的装调方法

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Publication number Publication date
EP0368299B1 (fr) 1994-01-19

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