SU1319080A1 - Aligning table with extended turn axis - Google Patents

Abstract

The invention relates to instrument making and can be used to align optical devices by pointing to a point in space located at any distance. The goal is to improve the accuracy of sighting and improve the operational capabilities of the alignment table (JC) with the extended axis of rotation. It is achieved by the fact that the SC contains a base 1 with guides (H) 2, on which a carriage (K) 3 is installed with a turntable 4, a slider 5 installed in H 6, and a carrier 7 hinged on the base 1 axis 8. A slider 9 is mounted on K 3. The lead screw 11 is connected with the slider 5, and the lead screw 12 is connected with the slider 9. Platform 4 is fixed to the K 3 by the axis 15 and is hinged to the slider 5 by means of slats. 3 il. (Л 16 со со about 00 Фм, г. 2

Description

The invention relates to optical instrumentation and can be used to align optical instruments by pointing to a point in space located at any distance.

The purpose of the invention is to improve the accuracy of sighting and improve operational capabilities.

FIG. 1 shows the kinematic scheme of the adjustment table; in fig. 2 - adjustment table, cut; in fig. 3 shows section A-A in FIG. 2

The alignment table contains a base 1 with Yush directions, 2 by them, on which a carriage 3 with a turntable 4 is installed, a slider 5 mounted in directions 10, 6, and a carrier 7 hinged on the base 1 by means of an axis 8.

On the carriage 3 there is a slider 9, placed in the direction of the 10. There is a connecting screw 11 with the slider 5, and a slider 9 with the slider 5

ten

where is the 5d-mix, engine 5 from the middle position;

S, is the displacement of the carriage 3 from the average gradation;

L is the distance from the offset axis of rotation (0) to axis 8;

a is the distance from axis 8 to the center of the slider 9, measured along the longitudinal direction;

6 is the distance from the center of the protrusion of the slider 9 to the axis 15 of the slider 5, measured similarly. From l AI B, B follows

Jii

BUT

5g

a-fB

therefore L - (a + c).

Since S, and 5g variables are not included in this expression, it is performed when

 ",, Any values of S., and S, i.e. platform 4

The lead screw 12. On the slider 9, is inserted into the offset axis (0) for any deck 13, and on the basis of 1 — the scale of the four-turn platform 4 at an angle l. If a

The platform 4 is fixed on the carriage 3 by means of an axis 15 and is hingedly connected with the slider 5 by means of strips 16 and 17.

The table works as follows.

The optical platform 0 is fixed on the platform 4, then the axis of rotation of the table coincides with the axis of rotation of the platform (axis 15), i.e. the platform performs a purely rotational 25 motion. When at 0, the slider 5 and the carriage 3 move only from the same device so that its axis of view, the platform 4 at the same time performs

It was located symmetrically with respect to purely translational motion, which is the equino of the long sides of platform 4. Then, the rotation around the infinitely positive screw 1 Platform 4 of the fixed axis is choked. Thus, the axis of rotation is in the middle position (the control of the medium 30 can be moved to any distance from

its position: immobility platform zero to infinity, we are 4 while rotating the lead screw 12), and

The base 1 is oriented so that the axis of the device hits the remote point selected as the axis of rotation. After this, the platform 4 with the lead screw 11 is led out of the middle position. The geometrical axis of the device generally leaves the axis of rotation, returning it with the lead screw 12 to the former point. This completes the setup.

In the process of alignment, the driving screw 11 moves the slider 5, which turns the carrier 7 and moves the platform 4. Through the slider 9, the carrier 7 displaces the carriage 3,

35

which in turn through the axis 15 shifter

The adjustment table with the extended axis of rotation can be used as a universal adjustment table, combining both translational and rotational movement.

The proposed table can be used to align optical devices with a laser, where it is often necessary to “shake the beam around that 40 or other point inside the device. Such an adjustment usually has a multi-stage nature, therefore the use of a two-holder system (basic device) in practice limits the efficiency of operation by adjusting the front part of platform 4, but less than the slider 5. As a result, platform 4 performs translational-rotational motion equivalent to rotation around a remote point. The removal of the offset rotation axis is determined by the position of the crawl jO at 9, which can be set to any position between the axis 8 (including the match) and the axis 15 (also including the match).

The connection of the geometric parameters of the table with the removal of the offset axis of rotation (0) 55 is determined as follows (Fig. 1):

The adjustment table allows you to completely eliminate the inconvenience in managing it. In order to achieve two-axis pumping, it is necessary to place a Dove prism in front of the table.

Claims (1)

Invention Formula An alignment table with an offset pivot axis, comprising a base with guides on which a turntable slider is installed, characterized in that, in order to improve the accuracy of sighting and improve operational capabilities, it is equipped with a carriage connected to the turntable. From LOV, B follows: L + H + b jj, l where is the 5d-mix, engine 5 from the middle position; S, is the displacement of the carriage 3 from the average gradation; L is the distance from the offset axis of rotation (0) to axis 8; a is the distance from axis 8 to the center of the slider 9, measured along the longitudinal direction; 6 is the distance from the center of the protrusion of the slider 9 to the axis 15 of the slider 5, measured similarly. From l AI B, B follows Jii BUT 5g a-fB therefore L - (a + c). and 0, the axis of rotation of the table coincides with the axis of rotation of the platform (axis 15), i.e. the platform performs a purely rotating motion. At 0, the slider 5 and the carriage 3 move only at the same speed, platform 4 at the same time performs zero to infinity five rover The adjustment table with the extended axis of rotation can be used as a universal adjustment table, combining both translational and rotational movement. The proposed table can be used to align optical devices with a laser, where it is often necessary to “shake the beam around that 0 or other point inside the device. Such an adjustment usually has a multistep nature, therefore the use of a two-holder system (basic unit) in practice limits the efficiency of the operation of the alignment table. The alignment table completely eliminates the inconvenience in controlling it. In order to achieve two-axis pumping, it is necessary to place a Dove prism in front of the table. Invention Formula An alignment table with an offset pivot axis, comprising a base with guides on which a turntable slider is installed, characterized in that, in order to improve the accuracy of sighting and improve operational capabilities, it is equipped with a carriage connected to the turntable. pivotally mounted on the base, which is pivotally connected to the slider, and mounted on a carriage, a slider, pivotally connected to the carrier, and also running screws to move the slider and the slider, the base being provided with additional guides to move the carriage, and guides to move the slide. / 1-L 5 11 Editor G. Volkova, Order 2517/46 VNIIPI USSR State Committee for Inventions and Discoveries 113035, Moscow, F - 35, Raushsk nab. 4/5 Production and printing company, Uzhgorod, ul. Project, 4 fig.Z Compiled by G. Paduchin Tehred I. Veres Corrector A. Ilyin Circulation 514Subscribe