SU1277047A1

SU1277047A1 - Aligning device

Info

Publication number: SU1277047A1
Application number: SU853875694A
Authority: SU
Inventors: Степан Сергеевич Семенов
Original assignee: Предприятие П/Я А-3697
Priority date: 1985-04-01
Filing date: 1985-04-01
Publication date: 1986-12-15

Abstract

Изобретение может быть использовано в системах, требующих регулировки ориентации объекта относительно двух взаимно перпендикул рных осей. Цель изобретени - повышение точности юстировки и расширение диапазона угловых перемещений юстируемого элемента. Держатель в виде стержн 3, размещенный в корпусе 1, имеет два опорных цилиндрических по ска 4 и 5, каждый из которых подпружинен с взаимно перпендикул рными направл ющими штифтами 11. Грубое изменение углового положени держател 3 юстируемого элемента осуществл ют вращением сферической гайки 9. С помощью паза 16 наконечника 15 держатель при этом удерживаетс неподвижным относительно корпуса 1 в направлении его продольной оси. Дифференциальным винтом 7 производ т точс 9 ную регулировку держател . 3 ил. (Л to ч о 4ibThe invention can be used in systems requiring adjustment of the orientation of an object relative to two mutually perpendicular axes. The purpose of the invention is to improve the accuracy of the adjustment and the expansion of the range of angular movements of the element to be adjusted. The holder in the form of a rod 3 placed in the housing 1 has two supporting cylindrical bearings 4 and 5, each of which is spring-loaded with mutually perpendicular guide pins 11. A coarse change in the angular position of the holder 3 of the element to be adjusted is carried out by rotating the spherical nut 9. With using the groove 16 of the tip 15, the holder is kept fixed relative to the housing 1 in the direction of its longitudinal axis. Differential screw 7 makes exact adjustment of the holder. 3 il. (L to h about 4ib

Description

Изобретение относитс к приборостроению , а именно к юстировочным устройствам, и может быть использовано в приборах или системах, в которых требуетс регулировка ориентации объекта относительно двух взаимно перпендикул рных осей.The invention relates to instrumentation, in particular, to adjustment devices, and can be used in devices or systems in which adjustment of an object's orientation with respect to two mutually perpendicular axes is required.

Целью изобретени вл етс повышение точности юстировки и расшире-. ние диапазона угловых перемещений юстируемого элемента.The aim of the invention is to improve the accuracy of the alignment and expansion. the range of angular displacements of the element being adjusted.

На фиг. 1 схематически изображено юстировочное устройство, разрез; на фиг. 2 - сечение А-А на фиг. 1, первый регулировочный механизм юсти- ровочного устройства на фиг„ 3 - сечение Б- на фиг. 1, второй регулировочный механизм юстировочного устройства.FIG. 1 shows schematically an adjustment device, a section; in fig. 2 is a section A-A in FIG. 1, the first adjustment mechanism of the alignment device in FIG. 3 is section B- in FIG. 1, the second adjustment mechanism of the adjustment device.

В корпусе 1 выполнено цилиндрическое отверстие 2, в котором размещен держатель 3 юстируемого элемента . Держатель 3, вьшолненный в виде стержн с больпшм удлинением, имеет два опорных цилиндрических по ска 4 Ht 5, отсто щих друг от друга на максимальном рассто нии. По сок 4 имеет лыску 6 (фиг, 2). В корпусе 1 в плоскости симметрии опорного по ска 4 размещен первый регулировочньп { механизм (фиг, 2), содержащий дифференциальный винт 7, две сферические гайки 8 и 9 со шлицами 10, направл ющий штифт 11, две радиально расположенные относительно опорного по ска 4 пружины 12 и 13. Дифференциальный винт 7 своими резьбовыми част ми взаимодействует с гайками 8 и 9, имеющими сферическую боковую поверхность и располагающимис в цилиндрическом канале 14, Канал 14, диаметр которого соответствует диаметру сферических гаек 8 и 9, создает возмогшость поступательных перемещений сферичес- тсих гаек 8 и 9 при вращении дифференциального винта 7 и дл их вращени при неподвижном дифференциальном винте 7, Сферические гайки 8 и 9 наход тс в механическом контакте с поверхностью опорного по ска 4 под действием пружины 12, заключенной между наконечником 15 с пазом 16 (фиг. 1) и полым винтом 17, ввинченным в корпус . 1 . Направл к ций штифт 11 установлен в корпусе 1 перпендикул рно к оси симметрии цилиндрргческо- го канала 14. К боковой поверхиости направл ющего щтифта 11 прижата поверхность лыски 6 опорного по ска 4In the housing 1 there is a cylindrical hole 2 in which the holder 3 of the element to be adjusted is placed. The holder 3, made in the form of a rod with a large elongation, has two cylindrical supports 4 Ht 5, which are separated from each other by a maximum distance. On juice 4 has a loop of 6 (Fig, 2). In the housing 1, in the plane of symmetry of the support plate 4, the first adjustment mechanism (FIG. 2) contains a differential screw 7, two spherical nuts 8 and 9 with slots 10, a guide pin 11, two springs radially located relative to the support strip. 12 and 13. The differential screw 7, with its threaded parts, interacts with nuts 8 and 9, which have a spherical side surface and are located in a cylindrical channel 14, Channel 14, whose diameter corresponds to the diameter of spherical nuts 8 and 9, creates the possibility of spherical nuts 8 and 9, when the differential screw 7 rotates and to rotate them with the fixed differential screw 7, the spherical nuts 8 and 9 are in mechanical contact with the surface of the support block 4 under the action of a spring 12 between the tip 15 s groove 16 (Fig. 1) and the hollow screw 17, screwed into the housing. one . The direction of the pin 11 is installed in the housing 1 perpendicular to the axis of symmetry of the cylindrical channel 14. The surface of the flatbed 6 of the supporting section 4 is pressed against the lateral surface of the guide pin 11

пругтагной 13, заключенной между наконечником 18 и полым винтом 19, завинченным в корпусе 1. Второй регулировочный механизм, размещенный вpug-13, enclosed between the tip 18 and the hollow screw 19, screwed into the housing 1. The second adjustment mechanism, located in

плоскости симметрии опорного по ска 5, имеет аналогичное устройство. Отличие состоит в том, что оба наконечника 18 не имеют пазов и второй механизм повернут относительно первого механизма на 90° вокруг продольной оси симметрии корпуса 1, при этом направл ющие штифты 11 регулировочных механизмов взаимно перпендикул рны . Один регулировочный механизм создает угловые перемещени the plane of symmetry of the reference plane 5, has a similar device. The difference is that both tips 18 have no grooves and the second mechanism is rotated relative to the first mechanism by 90 ° around the longitudinal axis of symmetry of the housing 1, while the guide pins 11 of the adjusting mechanisms are mutually perpendicular. One adjustment mechanism creates angular displacements.

держател 3 в плоскости I-I (фиг, 2), а другой - в плоскости II-II (фиг. З), Наконечник 15 с пазом 16, охватывающим опорный по сок 4 сверху и снизу,the holder 3 is in the I-I plane (FIG. 2), and the other is in the II-II plane (FIG. 3); the Tip 15 with a groove 16 covering the supporting juice 4 above and below,

удерживает от перемещений держатель 3 в направлении его продольной оси, Юстировочное устройство работает следующим образом.keeps the holder 3 from moving in the direction of its longitudinal axis. The adjustment device works as follows.

Грубое изменение углового положени держател 3 юстируемого элемента внутри отверсти 2 корпуса 1 в плоскости I-I (фиг, 2) производ т враще- иием гайки 8 или 9 с помощью ключа, вставленного в шлиц 10. При этом происходит сближение или удаление друг от друга сферических гаек. Под действием пружинь 12, обеспечивающей сохраиение механического контакта сферической поверхности гаек 8 и 9A coarse change in the angular position of the holder 3 of the adjustable element inside the opening 2 of the housing 1 in plane II (FIG. 2) is made by rotating the nut 8 or 9 using a key inserted into the slot 10. This causes the spherical nuts to move closer or apart. . Under the action of springs 12, which ensures the preservation of the mechanical contact of the spherical surface of the nuts 8 and 9

с поверхностью опорного по ска 4, перемещение сферических гаек сопровождаетс скольжением поверхности опорного по ска 4 относите41ьно поверхности гаек по направлени м касательных в точках касани и изменением положени опорного по ска 4 в направлении , перпендикул рном к оси дифференциального винта 7, Усилие, развит ваемое пружиной 13, прижимает лыску 6 опорного по ска 4 к направл ющему штифту П, в результате чего перемещение опориого по ска 4 происходит строго в плоскости I-I, параллельной направл ющему штифту 11, Поверхностьwith the surface of the supporting plate 4, the movement of the spherical nuts is accompanied by sliding the surface of the supporting plate 4 relative to the surface of the nuts in tangent directions at the points of contact and changing the position of the supporting plate 4 in the direction perpendicular to the axis of the differential screw 7, force developed by a spring 13, presses the loop 6 of the support axis 4 to the guide pin P, as a result of which the movement of the support pole 4 is strictly in the plane II parallel to the guide pin 11, Surface

лыски 6 прилегает к поверхности направл ющего штифра 11, предотвраща изменеиие углового положени держател 3 относительно его продольной оси, Изменеиие положени , опориогоthe flats 6 are adjacent to the surface of the guide pin 11, preventing the change in the angular position of the holder 3 relative to its longitudinal axis, the change in the position supported by

по ска 4 при неподвижном по ске 5 создает измеиеиие углового положени держател 3 юстируемого элемента в плоскости I-I, при этом держатель 3on ska 4 with a fixed sk 5 it creates a change in the angular position of the holder 3 of the element to be adjusted in the plane I-I, while the holder 3

удерживаетс неподвижным относительно корпуса 1 в направлении его продольной оси с помощью паза 16 наконечника 15, охватывающего сверху и снизу по сок 4.is kept stationary relative to the housing 1 in the direction of its longitudinal axis with the help of the groove 16 of the tip 15, covering the top and bottom of the juice 4.

Точна регулировка обеспечиваетс вращением дифференциального винта 7. Сферические гайки 8 и 9 при этом удерживаютс от проворачивани в ци- линдрическом канале 14 силами трени между их поверхност ми и поверхност ми опорного по ска 4 и цилиндрического канала 14. При вращении дифференциального винта 7 также происходит сближение или удаление друг от друга сферических гаек 8 и 9 с одновременным плавным изменением углового положени держател 3 в плоскости I-I.Fine adjustment is provided by rotating the differential screw 7. The spherical nuts 8 and 9 are thus kept from turning in the cylindrical channel 14 by the frictional forces between their surfaces and the surfaces of the supporting block 4 and the cylindrical channel 14. As the differential screw 7 rotates or removing from each other spherical nuts 8 and 9 with a simultaneous smooth change in the angular position of the holder 3 in the plane II.

Аналогично работает второй регулировочный механизм, размещенный в плоскости симметрии опорного по ска 5, при этом происходит изменение углового положени в плоскости II-II. The second adjustment mechanism, located in the plane of symmetry of support along sc 5, works similarly, and the angular position in plane II-II changes.

Claims

The invention relates to instrumentation, in particular, to adjustment devices, and can be used in devices or systems in which adjustment of an object's orientation with respect to two mutually perpendicular axes is required. The aim of the invention is to improve the accuracy of the alignment and expansion. the range of angular displacements of the element being adjusted. FIG. 1 shows schematically an adjustment device, a section; in fig. 2 is a section A-A in FIG. 1, the first adjustment mechanism of the adjustment device in FIG. 3, section B-in FIG. 1, the second adjustment mechanism of the adjustment device. In the housing 1 there is a cylindrical hole 2 in which the holder 3 of the element to be adjusted is placed. The holder 3, made in the form of a rod with a large elongation, has two support cylindrical 4 Ht 5, spaced from each other at a maximum distance. On juice 4 has a loop of 6 (Fig, 2). In housing 1, in the plane of symmetry of the bearing plate 4, there is a first adjustment mechanism (FIG. 2) containing a differential screw 7, two spherical nuts 8 and 9 with slots 10, a guide pin 11, two radially located relative to the support bridge 4 springs 12 and 13. The differential screw 7, with its threaded parts, interacts with nuts 8 and 9, having a spherical side surface and located in a cylindrical channel 14, Channel 14, the diameter of which corresponds to the diameter of spherical nuts 8 and 9, creates an opportunity spherical nuts 8 and 9 during rotation of the differential screw 7 and for their rotation with the fixed differential screw 7, the spherical nuts 8 and 9 are in mechanical contact with the surface of the support plate 4 under the action of the spring 12, which is enclosed between the tip 15 with the groove 16 (FIG. 1) and a hollow screw 17 screwed into the housing. one . The direction of the pin 11 is installed in the housing 1 perpendicular to the axis of symmetry of the cylindrical channel 14. The side of the guide pin 11 is pressed against the surface of the flathead 6 of the support 4 of the pugal 13, which is enclosed between the tip 18 and the hollow screw 19 screwed in the housing 1 The second adjustment mechanism, located in the plane of symmetry of the reference axis 5, has a similar device. The difference is that both tips 18 have no grooves and the second mechanism is rotated relative to the first mechanism by 90 ° around the longitudinal axis of symmetry of the housing 1, while the guide pins 11 of the adjusting mechanisms are mutually perpendicular. One adjustment mechanism creates angular movements of the holder 3 in the plane II (Fig 2), and the other in the plane II-II (Fig. 3). Tip 15 with a groove 16 covering the support juice 4 above and below keeps the holder from moving 3 in the direction of its longitudinal axis. The adjustment device operates as follows. A coarse change in the angular position of the holder 3 of the element to be adjusted inside the opening 2 of the housing 1 in the I-I plane (Fig 2) is made by rotating the nut 8 or 9 with a key inserted into the slot 10. In this case, spherical nuts are moving closer or apart. Under the action of springs 12, which maintains the mechanical contact of the spherical surface of the nuts 8 and 9 with the surface of the supporting strip 4, the movement of the spherical nuts is accompanied by sliding of the surface of the supporting strip 4 relative to the surface of the nuts in tangent directions at the points of contact and changing the position of the supporting block 4 the direction perpendicular to the axis of the differential screw 7, the force developed by the spring 13 presses the tip 6 of the support plate 4 to the guide pin P, as a result of which the movement The surface of the flathead 6 is adjacent to the surface of the guide pin 11, preventing the angle position of the holder 3 from changing its longitudinal axis. Changing the position of the support 4 with a fixed 5. creates a change in the angular position of the holder 3 of the element to be adjusted in plane II, while the holder 3 is held stationary relative to the housing 1 in the direction of its longitudinal axis with the help of the groove 16 of the tip 15, covering the xy and bottom juice 4. Precise adjustment is provided by rotating the differential screw 7 The spherical nuts 8 and 9 are kept from turning in the cylindrical channel 14 by frictional forces between their surfaces and the surfaces of the support block 4 and the cylindrical channel 14. During rotation of the differential the screw 7, the spherical nuts 8 and 9 also approach or move apart from each other with a simultaneous smooth change in the angular position of the holder 3 in the plane II. The second adjustment mechanism, located in the plane of symmetry of support along sc 5, works similarly, and the angular position in plane II-II changes. An adjustment device comprising a housing with an adjustable element holder and two adjustment mechanisms, each of which is designed as a differential screw with two nuts, characterized in that, in order to improve the accuracy of the adjustment and expand the range of angular movements of the adjustable element, the holder made in the form of a rod with cylindrical ends at the ends, and in the case two mutually perpendicular guide pins are installed, each of which is in contact with The springs are spring-loaded, corresponding to it, and the nuts of the differential screws are spherical in shape, while the screws are placed in cylindrical channels made in the housing perpendicular to the guide pins, with the possibility of contacting the spherical surfaces of the nuts with cylindrical movements.

1371

15

G7

7ff

FIG. 2