SU854718A1 - Vibrated platform for compacting concrete mixes in mould - Google Patents

Description

(54) VIBRATION PLATFORM FOR SEALING CONCRETE MIXTURES IN THE FORM

I

This invention relates to the manufacture of precast concrete and reinforced concrete products.

The closest to the proposed one is a vibroplatform for compacting concrete mixes in a mold, containing at least one vibroblock in the form of a movable frame installed on elastic supports with a pathogen vertically in direct motion. X oscillations, in contact with an elastic strip, with form 1).

The disadvantage of this design is the otcyrcTBHe of fixing the form, which leads to the work of the vibroplatform in the shock-dynamic mode and the chaotic nature of the vibration, the excess of the noise level and the vibration of the workplaces above the permissible ones.

The purpose of the invention is to reduce the metal content and ease of fastening the mold.

This goal is achieved by the fact that in a vibrating deck to compact concrete civiece A in a form containing nq at least one vibroblock in the form of a movable frame installed on elastic supports with a causative agent of vertically directed oscillations contacting

By means of an elastic gasket with a bottom of the form, each vibroblock is provided with a box with a perforated grip and a red mesh connected to the vacuum source, and the elastic strip is made with a recess in which the box is placed.

FIG. I schematically shows the vibroplatform, general view; in fig. 2 - the same, cross section; in fig. 3 shows the node I in FIG. 2

10 A vibrating platform for compacting concrete mixtures in a form consists of vibroblocks connected between themselves by shafts 2 and through synchronizer 3 with a driving electric motor 4. Each vibrating unit 1 is designed as a movable frame 6 mounted on elastic supports 5 with exciters 7 vertically directional vibrations. On the movable frame 6, a device is mounted for fastening 8 in the form of a metal box 9 with perforated

I have a cover 10 and a safety net of AND and an elastic gasket 12. The elastic gasket 12 is made with a recess 13 in which the box 9 is placed. At this wall, the gasket 12 is raised above the box 9 and form

chamber 14, overlapped by the bottom of the mold 8. | lonoctb 15 box 9 is connected to a vacuum source, and also communicates with the atmosphere and jcoMnpeccopoM (not shown) The vibro-platform works to compact concrete mixes in the form as follows

On the walls of the gaskets 12, the ends of which are rounded, a form 8 is installed, which hermetically closes the chambers 14. When the vacuum pump is turned on, air is suctioned out along with dust and a small stump deposited on the walls of P. In the cavity 15 it creates: with a vacuum, as a result The form 8 is reliably fixed on the vibratory blocks 1 by the action of atmospheric pressure. At the end of the molding process, the cavities 15 and the chambers 14 are filled with air and the mold is released.

 Cleaning the covers 10 and grids 11 from the particles settled on them is carried out by blowing with compressed air.

This structure provides a reliable fixation of molds made from any material, reducing the weight of the vibrating plate, and also reducing the metal intensity.

Claims (1)

Invention Formula A vibrating platform for compacting concrete mixtures in a form containing at least one vibroblock in the form of a movable frame mounted on elastic supports with a causative agent of vertically directed vibrations contacting by means of an elastic pad with a bottom of the mold, characterized in that, in order to build metal content and ease of fastening each vibroblock is equipped with a duct with a horn and safety net connected to a vacuum source, and an elastic gasket is made with a recess in which the duct is placed. Sources of information taken into account in the examination 1. USSR author's certificate № 408796, cl. B 28 B 1/08, 1970.