RU2365719C1 - Tool for formation and smoothing of plastering layer - Google Patents

Abstract

FIELD: civil engineering.

SUBSTANCE: invention relates to tools, used at construction and finishing works, particularly at implementation of plastering, for floating of plastering. Tool for formation and smoothing of plastering layer contains darby, device for definition of position of bearing edge of darby relative to future surface of plastering layer, and darby contains as minimum one component with movable relative to bearing edge of tool bearing sliding or rolling surface, by which darby can manually be pressed to smoothing surface and which can slide or roll by smoothing surface, and drive of progressive or rotary action, by means of which specified bearing surface can be moved relative to bearing edge darby, changing, inter alia, amount of clearance between bearing edge of tool and smoothing surface up to any value.

EFFECT: receiving of true with required accuracy rating of plastering surface, formed by method of application of plaster on smoothing vertical and horizontal surfaces, reduction of period of production of specified works, improvement of implementation of specified works, reduction of its laboriousness, fault of labour-intensive operation of installation of screed profiles, development of compact, comfortable when in use tool for specified kind of plastering.

2 dwg, 5 cl

Description

FIELD OF THE INVENTION

The invention relates to tools used in construction and finishing works, in particular during plastering, for leveling plaster coat.

State of the art

It is known that for plastering surfaces use the rule, for example, software 1200 GOST 25782-90, and beacon profiles, for example, grade PM-6 or PM-10. Beacon profiles are installed on the leveling surface so that the working surfaces of the beacon profiles lie in the same plane. For accurate installation of beacon profiles, measuring instruments are used, among which rotary laser plane builders are used, for example, the Nedo Primus laser level or the Nedo Eco 4 laser level brands, which create a laser beam rapidly rotating in one plane in space. Pre-applied between the lighthouse profiles, the stucco mortar (outline) by the rule, manually moved along the lighthouse profiles, is distributed over the leveled surface, forming a plaster surface (see Journal of Construction Technologies No. 2 (24) 2003, pp. 10-12). The disadvantage of this method is the high complexity and the long duration of the installation of beacon profiles. According to the source, even an experienced worker mounts no more than 30 linear meters per shift. m profile.

Disclosure of invention

The claimed invention is aimed at solving the problem of obtaining a plaster surface that is aligned with the required degree of accuracy, formed by applying a plaster mortar on leveling vertical and horizontal surfaces, to solve problems to reduce the time required to complete these works, to improve the quality of these works and to reduce their complexity and rejection of the time-consuming operation of installing beacon profiles. In addition, the claimed invention is directed to the development of a compact, easy-to-use tool for the specified type of plastering work.

The indicated technical effect can be achieved due to the fact that during plastering, a tool containing a rule that differs from known analogues in that it also contains a device for determining the position of the working edge of the rule with respect to the future surface of the plaster layer can be used to level the plaster coat, and the rule contains at least one element with a sliding or rolling bearing surface that is movable relative to the working edge of the tool, by which the rule can be manually pressed against leveling surface and which can slide or roll over the leveling surface, and a translational or rotational drive with which the specified supporting surface can be moved relative to the working edge of the rule, changing, inter alia, the gap between the working edge of the tool and the leveling surface to some either values.

Description of features

The operation of the tool is as follows. The rule manually, previously pressed by the supporting surfaces of the elements of the rule to the leveling surface, is moved along the leveling surface, distributing the working edge of the rule on the leveling surface previously drawn onto the leveling surface. The device for determining the position of the working edge of the rule with respect to the future surface of the plaster layer to be applied, as the rule advances, generates signals that carry information about the deviation of the working edge of the rule from the future surface. Based on the processing of this information, the device supplies energy to the translational or rotational drives. With the help of drives, the supporting surfaces of the rule elements are moved relative to the working edge of the rule, changing the gap between the working edge of the rule and the leveling surface, and consequently, the thickness of the layer of the aligned bent to reduce the deviation from the future surface of the plaster layer.

Brief Description of the Drawings

The claimed invention is illustrated by drawings. Figure 1 shows a General view of the tool during use as intended. Figure 2 on an enlarged scale shows a view of the main elements located on the rule.

The implementation of the invention

As shown in figure 2, an element with a sliding or rolling bearing surface movable relative to the tool edge (key 3) can be made in the form of a specially bent open ring (key 2), fixed to the side of the rule (key 1) , have base surfaces on which the translational action drive is fixed (pos. 4), play the role of a handle to hold the rule in the hands and an elastic element, when unbending it due to the action of the translational action drive located on it, the supporting surface The element moves relative to the working edge (item 5) of the rule. A stepper motor (pos. 4) can be used as a translational action drive.

A device (pos. 8) containing an optical sensor (pos. 6) may contain an element that performs the functions of a trowel (pos. 7) with respect to the aligned layer of the plaster coat. In this case, the position of the optical sensor (pos. 6) with respect to the plaster surface in direction and distance can remain constant, regardless of the angle of inclination of the working face of the tool to the future plaster layer.

To achieve the desired technical result, two translational action drives and, accordingly, two optical sensors located at opposite ends of the rule are sufficient (see Fig. 1).

The device for determining the position of the working edge of the rule in relation to the future surface of the plaster layer may contain a known rotary laser plane builder (item 9) of figure 1, optical sensors (item 6) located on the rule, as well as electronic devices for processing and converting the input signal and energy distribution, which are connected to the sensors and the translational actuator. The laser plane builder is fixed on the floor, ceiling or wall in horizontal or vertical position so that the laser plane being built is parallel to the future plaster surface and is separated from it by a certain distance, determined by the location of the optical sensors on the rule.

The algorithm of the device may be as follows. If the optical sensor is located above or below the plane of the laser beam rotating in it at high speed, the rod (key 9) of the corresponding stepper motor, respectively, retracts or extends, while the corresponding edge of the working edge of the rule, respectively, falls or rises. Thus, as the rule moves along an uneven surface along the signal from the optical sensors, the rule automatically sets the position of the rule to a position in which the axes of the optical sensors located on the rule lie with a certain accuracy in the plane of the beam of the laser plane builder. If the device containing optical sensors is designed in such a way that the position of the optical sensor relative to the plaster surface in direction and distance can remain constant regardless of the angle of inclination of the working face of the rule to the future plaster layer, then the working face of the rule and, therefore, the surface formed with the leveling plan as the rules move along the leveling surface, they will always lie in the required plane with a certain degree of accuracy.

Claims (5)

1. A tool for forming and leveling the plaster layer, comprising a rule, characterized in that it also contains a device for determining the position of the working edge of the rule with respect to the future surface of the plaster layer, and the rule contains at least one element with a sliding sliding surface relative to the working edge of the tool or rolling, which rule can be manually pressed against the leveling surface and which can slide or roll on the leveling surface, and the translational and whether there is a rotational action by which the indicated abutment surface can be moved relative to the working edge of the rule, changing the gap between the working edge of the tool and the leveling surface to a value. 2. The tool according to claim 1, characterized in that the device for determining the position of the working edge of the rule with respect to the future surface of the plaster layer contains a laser plane builder, optical sensors located on the rule, controls located on the rule, as well as processing and conversion devices signal and supply and distribution of energy, which are combined with sensors and a translational drive. 3. The tool according to claim 2, characterized in that the device containing the optical sensor contains an element that performs the functions of the trowel with respect to the aligned layer of the plaster coat, and is made in such a way that the position of the optical sensor with respect to the plaster surface in direction and distance can remain constant, regardless of the angle of inclination of the working face of the tool to the future plaster layer. 4. The tool according to claim 1, characterized in that the element with a sliding or rolling bearing surface movable relative to the working edge of the tool is fixed on the side of the rule, has base surfaces on which the translational action drive is fixed, acts as a handle for holding the rule in hands and an elastic element, during the extension of which due to the action of the translational action drive located on it, the supporting surface of the element moves relative to the working edge of the rule. 5. The tool according to claim 1, characterized in that the rule contains two elements with a supporting surface of sliding or rolling and, accordingly, two optical sensors.

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