SU1033856A1 - Device for checking deviation from the vertical - Google Patents

Abstract

A DEVICE FOR MONITORING THE DEFLECTION FROM VERTICAL, containing a magnetic plummet neck, an antimagnetic case, installed in a housing under an 8 ‑ scale scale and equipped with a а screen between the scale and the nonoJtQHiM plummet indicator, I read the plummet from the scale, and the monitor has a non-jtQHiM plumb indicator, and the monitor has a slide between the scale and the plummet indicator on the plumb line. that, in order to reduce the error of the image, the avo is equipped with an upright temper installed in the housing under the scale, the housing is equipped with a viewing hole in its side wall opposite the mirror, and the plumb position indicator is made in the form of a glass cell with a prisoner. . inside it is a drop-like film of magnetic fluid.

Description

The invention relates to measuring technique and can be used in mechanical engineering, geodesy, construction and other sectors of the national economy, for example, to determine the alignment of units of assemblies and machines, to determine deviations from the vertical, or to assess the accuracy of the installation of geodetic instruments at reference points.

A device for monitoring ’deviations from the vertical is known, comprising a plumb line, a scale scale located beneath it, and a plummet position indicator made in the form of a two-armed lever with arrow G1].

However, the device does not allow measurements and a visual report with sufficient accuracy due to manufacturing errors of the intermediate link of the two shoulders of the lever with the arrow.

Closest to the invention is a device for controlling deviation from the vertical, comprising a magnetic plummet, an anti-magnetic casing, a scale scale and a fluorescent screen installed in the casing under the plummet, and a plummet position indicator located between the scale and the screen, made in the form of ferromagnetic filings С ^ З "The disadvantage of this the device is a significant error in determining deviations from the vertical, due to difficulties in visual inspection of deviations in the normal direction to the scale due to x from the plumb line. In addition, during operation of the device, ferromagnetic filings, mechanically acting on the scale, cause its clouding, and the interaction of sawdust with a fluorescent screen leads to its destruction and clogging of ferromagnetic sawdust with a fluorescent substance. This affects the durability of the device and its resolution.

The aim of the invention is to reduce the measurement error.

To achieve this circuit, a device for controlling deviation from the vertical, containing a magnetic plummet, an anti-magnetic casing, a scale scale and a fluorescent screen installed in the casing under the plummet, and a plummet position indicator located between the scale and the screen, are equipped with a swivel mirror mounted in the casing under the scale, the casing made with an inspection hole in its side wall

Branch ΓΪΠΠ Patent, Uzhhorod, st. Project, 4 ι.

Order 5605/42.

a mirror, and the plumb position indicator is made in the form of a glass cuvette with a droplet-like film of magnetic fluid enclosed inside it.

ι The drawing schematically shows a device for controlling deviations from the vertical section.

The device contains an anti-magnetic body 1 with a built-in position indicator, which is made in the form of a glass cuvette 2 with a droplet-like film of magnetic fluid enclosed in it 3. There is also a plumb line 4 made of a permanent magnet. The upper wall of the glass cuvette is covered with light mass and forms a fluorescent screen 5. A scale 6 is applied on the lower wall of the cuvette. Under the scale there is a rotary mirror 7, which together with the viewing hole 8, made in the side wall of the casing 1, allows visual inspection deviations from the vertical. To ensure the installation of the housing 1 when checking alignment on the counterpart 9 of the plumb line 4, a socket 10 is provided in the housing.

The device operates as follows.

The plumb line 4 is fixed in a fixed place, and the housing 1 is placed under the plumb line 4 to its counterpart 9. 'After the plumb line 4 has reached an equilibrium state, i.e. the amplitude of its oscillations becomes equal to zero, the magnetic fluid 3 of the plumb line indicator located under the tip of the magnetic plumb line 4 becomes opaque and a dark mark appears on the scale 6 illuminated by a fluorescent screen, indicating the position of the plummet 4. The dark mark on the scale 6 and> the scale itself are displayed with the help of the door mirror 7 and the inspection hole 8.

Thanks to the visual control in the normal direction to the scale of the device, as well as due to the constancy of the contrast of the film of magnetic fluid, the error in determining the deviation from the vertical is reduced, as well as the convenience of operation and durability of the device are increased by eliminating the mechanical impact of the plumb position indicator on the screen and scale, as well as due to the lack of dimming the space in front of the housing for reading.

Circulation 602 Signed

Claims (1)

VERTICAL DEFLECTION CONTROL DEVICE, comprising a magnetic plummet, an anti-magnetic casing, a scale scale and a fluorescent screen installed in the casing under the plummet, and a plummet position indicator between the scale and the screen, characterized in that "in order to reduce the measurement error," One is equipped with a swivel mirror mounted in the housing under the scale, the housing is made with a viewing hole in its side wall opposite the mirror, and the plumb position indicator is made in the form of a glass cuvette with a prisoner. . inside it is a droplet-like film of magnetic fluid. 1 1033856