SU141793A1 - Hollow Block Forming Device - Google Patents

Description

Devices are known for the manufacture of large silica blocks (and other products), including a vibrating table, a mold, two sets of 1-formers. entered into the form from two sides and two lines of waste formers. The manufacture of products of various lengths in the same forms due to the installation of portable end walls is widely practiced in factories of concrete products.

Also known are the structures of the mechanisms of movement, consisting of fixed screws and nuts moving on them (or vice versa), in particular, the mechanism of movement of the forming walls of the OFU-1 volume-forming unit is made. Karacharovsky Mechanical Plant.

A disadvantage of the known devices is that with their help it is impossible to mold blocks with different widths of the base plate of the foundation cushion.

The device made according to the invention, is devoid of this disadvantage. The essence of the invention is that the inserts of the proposed device are provided with interacting tips. One of the tips is made hollow, and the second enters into its cavity by an amount corresponding to the size of the block support plate.

The drawing shows schematically the proposed device in two projections.

The device consists of a left carriage / with inserts, a left drive 2, formwork 3 with end walls 4. a right drive 5 and a right carriage 6 with inserts.

№ 141793-2

The proposed device makes it possible to organize a massive exploration / ayubYa of hollow blocks (foundation pillows) and eliminates the need to manufacture formwork for different block sizes and how the metal consumption is reduced.

,, B-KfSO4aei metal box, which has a size of 2.8 X 1.18 per hour: source. These dimensions correspond to the largest freighter of the L-28 F-28, included in the catalog of unified national teams of the USSR State Construction Committee Gosstro.

The end walls have two semicircular cut-outs d 44 cm for the passage of void-forming (liners) portable and installed in the required size of the block.

The design of the cores (liners) is telescopic and makes it possible to make a base plate of varying widths for the basement walls and basement walls, depending on the thickness of the building wall.

The formwork height pr.in ta h - 40 cm.

The telescopic holing machine is a semicircular invert body d 44 cm to the boundary of the base plate device, and within the limits of the o-porceous plate a closed loop formed by the intersection of two circles of the same diameter.

The telescopic action of the hollower is based on the minimum width of the support plate for foundation walls and basement walls of 40 cm.

The introduction and removal of the hollow core is carried out using special mechanisms. The right and left carriage are rigidly connected to the holders and nuts that move along the screws.

The drive of each screw is rotated by means of a chained transmission (drive chain roller single bottom t 20) and a reducer CSH 350 m (g 15.75) from the A41-6 electric motor (N - 1 kW, n - 930 rpm).

The received drive provides the speed of displacement of the void formers equal to 0.5 MJMUH and is selected from the condition that the concrete does not move in the direction of the movement of the void formers. The drive develops a pulling force of approximately 3000 kg, sufficient to overcome the adhesion between the concrete and the cores when they are ejected.

The manufacture of blocks in the proposed device begins with the installation of portable end walls and fixing them in the right places to manufacture a batch of blocks of certain sizes. Reinforcement fittings are laid in the formwork, envisaged by the project, and then concrete is laid within the bottom plate of the block.

After the concrete has been laid within the lower limb, a telescopic hollow core is inserted which fixes the size of the base plate for the basement walls and basement walls. The mold is then filled with concrete and, after some vibration, the core generator is removed from the concrete, after which a hollow block is obtained which is either sent to the steam chamber or placed on the landfill on wooden pallets.

All work on the manufacture of blocks mechanized. The proposed device is useful and recommended for implementation.

Subject invention

A device for forming hollow blocks, for example, foundations of pillows, including a form mounted on a vibrating table, formed from two fixed longitudinal sides and two adjustable end walls, through holes in which inserts are inserted into the form from two sides, characterized that, in order to obtain the possibility of molding in the device of blocks with different widths of the base plate of the base pillow, the inserts are provided with interacting tips, one of which is hollow, and The second one enters the cavity of the first by an amount corresponding to the size of the base plate of the block.

-. 141793