SU1331644A1 - Table vibrator - Google Patents

Abstract

And: the invention relates to the manufacture of articles of concrete) and the same. 1e:) of the objec- tive. The goal is efficiency. For this, the vibro-shock platform is provided with flexible, non-compressible connections 13, and the balancing ram. 1) with d) y (| n |) and i with pel, 1I (j) 12 changes their B1) 1, which means that horizontal constraints are not limited; 1m 2. connected to iHiam iHom I. 11) and elastic nasty.1 5 in the form of rubber prok.tadki. on a cob i i zak) n11- .1eni having set, 1iv; to gc (} k) rml 6. D .-) but.nitational buffers II should not: C () while working with ii.iHTdii, therefore .: and the rank is installed 1 () between them. And Zora is not up to. 1 bna | tb amh.uiry / u.i co. 1 frame 1 in a steady state, Flexible non-expandable 1 1 1 through 13, is rented to the frame and (| o) relative to the vertical, axis. H) i nregib, (the magnitude of the kigorsho depends on the 4e (i am | D 1IT DY frame and the distance between i 3 pit and paMoif. D) and. R (L

Description

one

And: i) D) 1b is related to 11roi; (architecture of precast concrete and reinforced concrete products.

The purpose of the invention is to increase the efficiency of concrete and concrete.

FIG. 1 schematically shows the vibro-11, scab; in fig. 2, node 1 in FIG. one; in fig. 3 variants of -flexible non-expandable connections; on fi1. 4 position of the shock absorber and 1-ibk () link in case of a horizontal shift of the equalizing frame; in fig. About am11, the titration-frequency characteristic of the frame at the start and stop.

Vibroelonics consists of the working body 1 and Eq. () The universal frame 2, interconnected by supporting elements 3 and buffers 4. The working body is attached to the elastic floor 5 in the form of a rubber gasket of the calculated stiffness, on form KOTopoii without fastening, form B. The frame, which contains a curvilinear exciter 7 oscillations with a uniform element 8 in the connecting rod, freely rests through shock absorbers 9 on the base plate 10. To reduce the amplitude of the oscillation of the vibrating plate during its downward movement to the lower plane of the frame ADDITIONAL affixed elastic buffer 11. The lifting and lowering kotory.h drained estvl ET s, nanrimer with pom (tsyu screw pair 12.

In the operating mode, the indicated buffers should not collide with the nlit, therefore the magnitude of the spanning between them of the gap L should always be controlled by the amplitude of the oscillations of the frame Lg in the steady motion. From practice L 1,25Ar.

/ 1, l limitations of horizontal mode 1, frame and its upward movement were used flexible non-extensible bonds 13, cables, conveyor belts attached to the frame and foundation base with bolts 14 and strips 15. Relatively vertical the axes form deflection f, the value of which depends on the working amplitude of the frame, L.-., and the distance h between the frame and the frame;

Other technical solutions are possible; nanrime (); izgzagoobraznye flexible non-expandable; 5I16 and 17. The working height of which the barrels | 1e extend in line at 1.25Ap.

The vibro shock works as follows.

The form 6 is installed on the elastic pastil 5 of the working organ 1. When the punches are inserted into the mold and their wedging occurs, a horizontal force arises, the vibrating pads from the shock absorbers 9 are limited. 17, which, drawn in line (Fig. 4), prevent a drop in equilibrium.

2

Siva frame 2 with shock absorbers. After the mold is removed, the balancing frame under the action of burns is seized; and) the elastic force is

from shock absorbers returns to its original position.

After that (}) form; (apolt the concrete and start the vibroplane. During the overrun period of the low frequency IDI, the amplitude of the oscillations begins to increase sharply (the resonance curve 1). If the frame moves upwards, then due to stretching into a flexible line During the connection, a forced reset of amp. 1 ptud 1) 1 oscillations up to 1.25 A ,, occurs. In the following period, during the course of a single jiaMbi downstream cutter, curve 1, but ai-a is achieved due to the impact of the other buffers 11 on the base plate 10. In this case, the frame alternation is equal to the clearance .1.25Ap. After several up-down movements and transition through the tov frequency, the working amplitude of oscillations of the AR is established, which is 25% less than the buffer gap D and the value of the vertical tension of the flexible connections. Due to the impact of the main buffers 4, concrete is compacted at the working frequency ы. The motor is then disconnected. By decreasing the frequency to s-2, 2-3 collisions of buffers 11 and stretching of flexible connections are made in the same way (in fact, the curve 1 is cut along the line aa -ai). Liquidation buildup with bolshimi

 vibration amplitudes increase the degree of compaction of the concrete; In small amnituids there is no separation from the bottom of the form and decompaction. After reaching the frequency o) the amplitude of the frame oscillations quickly decreases to zero.

 Punches of compacted concrete may lead to a distortion of the shock absorbers, however, the tension of flexible, inextensible connections in the direction of extraction does not allow the upper part of the shock absorbers to shift beyond an acceptable value, which ensures the stability of work on the shock absorbers and reliability in operation.

After this, the concrete form is removed and supplied to the steaming post.

45

Claims (1)

Invention Formula Vibro-shock device, contained on the base and connected with each other with the help of coaxial elastic elements, a working body with an elastic gasket and a uranium-hanging frame, contacting by means of buffer elements, and a krotogypical oscillator 55 mounted on the counter-balancing frame A scientific research institute with an elastic element in a connecting rod, characterized in that, in order to increase the efficiency of compaction, it is equipped with fixed base and connected to the balancing frame with flexible inextensible bonds, and the balancing frame with a frame in contact with the base with additional buffers with a regulator for changing their height, with the flexible inextensible bonds being filled with zigzag FIG. 2 Fig.Z Phage. four Editor V. Danko Zach.h 3735/1 1 Compiled by V. Shulenin Tehred I., VeresK (jppeKT (ip (,, Cherni Circulation 52-1 Subscription VNIIPI USSR State Committee for Inventions and Discoveries I 13035, A, R-35, Raugyska Embankment, 4/5 Production and Printing Enterprise, Uzhgorod, ul. Design. four 9U2.5