SU479487A1 - Impact crusher - Google Patents

Description

The invention relates to the field of grinding materials and is intended to correct the shape of grains of rubble.

A crusher is known, comprising a housing lined with slabs with a rotor located therein with annular beels, freely suspended on the axles, loading and unloading nozzles.

However, in such a crusher there is insufficient productivity for abrasive rocks, lining plates wear out during crushing, besides, replacement of worn out working bodies and other repair works take a lot of time.

In order to eliminate these drawbacks, the body of the proposed impact crusher is made collapsible, consists of two halves with the possibility of their movement, and the ring-shaped beels are made in the form of rectangles and are located on the axes in several rows, with each of the body halves between the lining plates and ring-shaped bilami are additionally mounted concentrically located to the casing of the bill.

FIG. 1-6 illustrate the proposed crusher.

On the frame 1 of the crusher (Fig. 1), an electric motor 2 and a rotor 3 are mounted with freely suspended annular beaters 4 on

OS x 5 (Fig. 2). Ring-shaped billes 4 are made in the form of pieces of pipes, they are assembled along axis 5 for several pieces in row 6 until axis 5 is filled up and the rings have the possibility of free rotation on their suspension axles. A row of 6 freely suspended annular beats (Fig. 2) are arranged in pairs on either side of the rotor shaft in a single diameter for the same distance.

FIG. 2 are shown in 6 rows on the same diameter of the rotor, which constitute a group, and the total on the rotor is set according to the diameters of three groups of ring-shaped, beat.

A total of eighteen rows of rods are installed on the rotor. The ring-shaped billes mounted on the rotor are impact bodies needed to impact pieces of material in order to destroy them during the rotation of the rotor.

Frame 1 has a collapsible body, which consists of two halves 7, in which half holes are closed in diameter on both sides by rectangular side walls 8 to which rollers 9 on rolling bearings are attached to the upper and lower parts. The housing halves have cut-outs in the form of half-openings 10 for accommodating the rotor shaft. The rollers 9 are designed to move the body halves, which can be either assembled (Fig. 3) or disassembled (Fig. I). The two halves of the corns are connected by the device 11 and fixed by the device 12 (Fig. 3). The device for connecting the housing halves consists of a pull rod 13 (fig. 6) rigidly attached to one half of the case, an emphasis H (protrusion) attached to the other half of the case, the collar 15 freely rotating around the axis 16 and the stop screw 17. Two halves of the Cornus tightening the screw 17, which, resting against the support 14, tightens both halves of the body. These devices are installed two on the side walls of the Cornus (Fig. 5). The latch 12 is composed of a stop bracket 18, a stop bar 19 and a stop screw 20 (FIG. 5). On the rail, to which the support bracket 18 is attached, and on the beam 19 there are marks (notches) 21, one against the other, which indicate the correct installation of the two halves of the housing relative to the rotor. If the marks are shifted, it is necessary to place them in a position in which the main marks were one against the other. On each half of the Cornus set four clamps. Inside the housing halves, between the lining 22 (Fig. 2) and the rotor 3, several rows of ring-shaped punches 23 were mounted. The ring-shaped bilings 23 on the axes 24 inside the corns serve as baffle bodies and are intended for repeated collision of the destroyed pieces of material with rotor bars, where repeated splitting up. Rows of annular beats suspended from the axes constitute groups. FIG. Figure 2 shows the groups I and II, each consisting of nine rows, which are installed in the housing halves. When the rotor rotates in one direction, one group is worn out, for example I, group II is in reserve. The work is transferred to another group by reversing the electric motor together with the rotor. The reversal is performed when the ring-shaped billes in the housing halves are completely worn out, i.e. when they are completely replaced. The axles are fixed to free suspension of the rings of pipes as follows (Fig. 4). In the rotor disks 25 and 26, two holes are made on opposite sides of each axis of the suspension. The number of pairs of holes corresponds to the number of axles to be mounted for suspension of the rings. On one side of the rotor disk, the holes are covered by strips 27, which are attached by electric welding, and on the other side, the holes are covered by the same melts 28, only they are attached by joints and are detachable. In the working position, the slats close the sockets for the axles of the suspension of the ring-shaped blows, and when it is necessary to replace the worn-out ring-like blows, the sockets open, the axles are pulled out through the holes, and the ring-shaped beels fall out. The suspension axles of the annular beams are attached to the halves of the housing in the same way as on the rotor (Fig. 4). The charging port 29 (Fig. 2) is located in the upper part, and the unloading 30 is located in the lower part of the crusher. The described impact crusher works as follows. Before starting, they close the rotor 3 with body halves 7, connect them with devices 11 and fix them in working position with latches 12. Engage the electric motor (determine the direction of the rotor and change it if necessary), which rotate the rotor 3 through a belt-drive 29 load material. Pieces of the material under its own weight are fed into the hatch and meet with rotating ring-shaped billes 4, which upon impact destroy the pieces of material and throw them to the sides, where they meet with ring-shaped billes 23 placed between the rotor and the lining of the housing halves, and are again destroyed from the collision. Destroyed material enters the unloading hatch 30, and from there to the process line. Nredmet of the invention. Impact crusher, comprising a housing lined with nlites, inside which there is a rotor with ring-shaped beams fixed on the axles, loading and unloading hatches, an electric motor characterized in that , in order to improve the efficiency of crushing, reduce wear of the lining plates, reduce the time for repair when replacing worn out working bodies, the casing is made of two halves with the possibility of their movement audio and Bily formed as rectangles and are arranged on the axles in a plurality of rows, wherein each of the halves Cornus between lining plates and a further annular beaters are mounted, concentrically rasnolozhennye Bily body.

23

Fig 2

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25 27

(5 g / g 4 "

21

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