SU1004109A1 - Installation for moulding articles with voids of concrete mixes - Google Patents

Description

The invention relates to the construction, in particular to equipment for the manufacture of products with voids made of concrete mixtures.

The closest technical solution to the inventions is a reinforced plate molding installation. multi-hollow products, containing a self-propelled portal, on which a hopper with a bolt is mounted, a loading shield with vibrators, a vibrobar for tapering the ends of the product with: a lowering-lifting mechanism,; horizontally movable hollow core and rigging

However, this installation does not ensure the high quality of the molded products, since in manufacturing, the end face strength of the molded products is low, which is explained by the impossibility of high-quality formation of the dimple and the impossibility of them. ; overlap removal of the loading plate, as well as the concrete wounding out of the board equipment through the holes for the punches, which are partially closed with the thin ends of these punches.

The purpose of the invention is to increase the quality of molded products.

The goal is achieved by the installation for molding articles with concrete voids, containing a self-propelled portal on which are mounted a hopper with a bolt, loading plate with vibrators, vibrating tamper for embedding the ends of products with a lifting mechanism and

10 lowering, horizontally movable hollow cores and airborne rigging, equipped with a funnel and damper with a seal and lever actuator, with the damper with an emphasis and a funnel guide mounted

15 at one of the ends of the boring equipment, and the vibrating bar for sealing the ends of the articles contacts the inner surface of the guide funnel.

FIG. -1 shows the setting

20 general view; in fig. 2 shows section A-A in FIG. one; in fig. 3 shows a section i B-is in FIG. 2; in fig. 4 - the node of FIG. 3; in fig. 5 - damper with directional rollers.

25

The installation for molding articles with concrete voids consists of a pallet 1 on which product 2 is molded, mobile hollow cores 3 with thin ends 4 and from fixed to the portal

5 having two pairs of wheels 6 moving by means of a drive 7 along rails 8, a concrete hopper 9 with a vibrator, a maxillary shutter 10, a metering device 11 with a vibrator 12 and a drive 13, and also loading plate 14 with vibrators f removable moved by the portal 5 of the rigging 15, with which the guide funnel 16-0 is mounted into one unit with a socket 17, into which concrete 18 of the end faces of the product is loaded. The funnel 16 is connected to the formwork by a movable shutter 19 with a horizontal stop 20, a bowl 21 and rollers 22 moving along rails 23 located inside the vehicle, or, alternatively, on top of the vehicle 15, the flap has cutouts 24 for the thin ends of the punches, as well as Cut outs 25 repeating the contours of voids closed from the ends. The flap is raised to the upper position by means of counterweights 26 located along the flange ends, connected to the flap with cables through blocks 27, and lever lever 28 with roller 29, vibrating bar 30 with vibrators 31 and clamps 32 and kinematically connected with it flexible couplings 33 closing the normally open flap. The load 33 is secured with cables on the console 34 through the blocks 35 to the vibrating bar 30, rubberized along the side surfaces that are in contact with the inner surface of the guide cone. The vibration bar 30 moves in the cylindrical guides 36 by means of a lifting and lowering mechanism 37. The installation also contains a smoothing roller 38 with a drive 39 and a mechanism for raising and lowering the roller (not shown).

The installation works as follows

After supplying the rig 15 to the pallet 1 with the help of a mobile portal 5 or a crane, the hollow cores 3 are inserted into the boron rig and the concrete from the bunker 9 on the portal 5 is poured into the rig and the funnel 16 and vibrating the concrete board lowered onto the slab 14 with vibrator . The smoothing roller 38 aligns the surface of the slab up to the funnel 16 mounted on the end of the rigging equipment. Then the punches 3 are not completely removed, leaving their thin ends 4 in the slab body at a length exceeding the length of embedding voids. The concrete is poured when the grating of the metering device 11 is taken out beforehand. fixed in a funnel 16 with a socket 17). Portal with bunker

9 leads up to the socket 17 and pours 6eTqjia 18 seals into the funnel. The mechanism 37 lowers the vibratory bar 30 and the load 33 movably connected to it, which, while lying in the cup 21, fixing its position on the horizontal stop 20 of the flap 19, lowers this flap, normally raised to the upper position with the help of

The ends of the bezels of the weights 26 and the hand lever 28 interacting with the horizontal stop 20 through the roller 29. As an option, it is possible to move the portal and lower the flap

vibrating bar 30 without load 33, and the damper can be lifted previously into the upper position (without using the counterweight 26) by the hand lever 28, which interacts with the horizontal stop 20 of the damper through the roller 29. Lowering, the shutter 19 tightly closes the holes (voids) with the end of the slab, inserted between the airborne rig and the concrete body of the panel and laying down the notches 24 on the thin ends of the hollow cores 4. At the same time, the valve through the roller 29 acts on the hand lever 28 so that its handle rises to the upper position and onkoy and concrete

the end of the concrete product ensures the stability of this lever position (the weight of the handle cannot overcome these friction forces and raise the lowered flap). When the vibrators 31 are operating, they are lowered into the formwork 16 filled with concrete 18, the movement of the vibroprize is fixed by cylindrical guides

36, in which the axes rigidly connected to the vibrating bar are moved. At the same time, shelves of concrete collapse above voids and they are tightly filled with concrete embedments a length exceeding by 30-40 mm the width of formwork 16, i.e. the width of the zone of collapse. Under the influence of vibrocrescent concrete forms a monolithic end of the slab. After touching the clips 32 of the socket 17 of the funnel, the vibration is stopped, the vibrating beam 30 and the load 33 movably connected to it raise to the initial upper position. Take off the rig when its simultaneous low vibration from the product,

while under the influence of counterweights 26 and a hand lever 28, the flap is raised to its original upper position. By manually lowering the lever handle 28 or without it lowering under the weight

the lever handles can, as an option, raise the damper without counterweights 26, which are actually duplicating, increasing the reliability of the installation. The lever is designed in such a way that the weight of its arm creates a force slightly higher than the weight of the flap, tends to lower it to the lower position, at which it closes the holes in the side fitting. Using the smoothing roller 38 finally level the surface of the plate at its end.

Multihollow reinforced concrete

the panel is ready for further processing (steaming), the installation is ready for the next molding,.

The use of the installation provides an increase in the quality of products by increasing the strength of the end faces of hollow-core reinforced concrete products up to 80%, which makes it possible to use highly economical hollow-core panels instead of less efficient solid floor slabs without voids in buildings of mass urban construction of high-rise floors, which saves steel at least kg per m overlap, and also reduces the brand of concrete overlappings no less. 51312 7

than by 1 step, and provides, accordingly, an economy of cement of at least 8 kg per m of overlap.

Claims (1)

1. USSR author's certificate No. 625931, cl. B 28 B 7/18, 1977. J5 J; 32 18 G6 / TT I I 28 19 15 2 1 11 T