CN2437402Y - Supporting mechanism of impact grillage for impact crusher - Google Patents

Abstract

The utility model relates to a supporting mechanism of an impacting plate frame for an impacting crusher in mine machinery, comprising a pair of front and back connecting rods, a front and a back connecting rod shafts, a bracket and a pair of support rods, the upper ends of the front and the back connecting rods are respectively hinged with a wall body of a shell, and the lower ends are respectively hinged with both ends of the front and the back connecting rod shafts; the bracket is arranged on the front and the back connecting rod shafts; the front part of the bracket is hinged with the lower part of the impacting plate frame, and the tail part is connected with a pair of adjusting mechanisms. The rear ends of a pair of support rods are loosely connected with the bracket, and the front ends are hinged with the upper part of the impacting plate frame. The utility model can ensures that the impacting plate frame has integrally equal displacement quantity, so that gaps between an impacting plate and rotors are integrally consistent, a crushing chamber shape can not be changed, and the integral action of the impacting plate can be fully played.

Description

Beating type crusher smashes the supporting mechanism of grillage

The utility model is the supporting mechanism that a kind of beating type crusher smashes grillage, the supporting mechanism that smashes grillage on the beating type crusher in particularly a kind of mining machinery.

Smashing plate is the vitals that beating type crusher hits, it has some, stepped each other being arranged on smashes on the grillage, facts have proved to have only and smash grillage by regulating well, just can make on it smash that plate keeps and crusher rotor between reasonable clearance, the ore grain size that disintegrating machine is discharged meets necessary requirement, just must guarantee to smash the reasonability of the supporting mechanism of grillage.And the existing supporting construction that smashes grillage roughly has following three kinds: first kind is that the upper/lower terminal that smashes grillage is all fixing, so can not regulate, be difficult to control discharging-material size, the thing of meeting ironware and so on especially enters the crusher chamber of disintegrating machine, can cause damaging cavity; Second kind is that the upper end is fixing, and the lower end activity, this structure can be controlled discharging-material size, can dodge in case the chance ironware enters the chamber, compare safety, but owing to fixing the upper end, only depend on the lower end activity, reducing gradient and can changing of crusher chamber can not all be brought into play the mass action that smashes plate, influences operating efficiency; The third is that the upper end is fixed with the slideway form, the lower end is movable, be that the lower end is connected with governor motion, like this because after the upper end changes the slideway form into, corresponding adjustment also can be done in the upper end when lower end position changes, the reduction gradient of crusher chamber can be kept accordingly, but the mass action that smashes plate still fails to give full play to.Make a general survey of above three kinds of versions, weak point is summed up and can't smashed the displacement that grillage realizes that the integral body that smashes plate on it equates by adjusting, cause smashing the inaccessible uniformity on the whole in gap between plate and the crusher rotor, also promptly can't keep crusher chamber chamber shape.

The utility model aims to provide supporting mechanism that a kind of beating type crusher smashes grillage and can guarantee to be positioned at the plate that smashes that smashes on the grillage and have the whole displacement that equates, make the gap that smashes plate and crusher rotor reach on the whole uniformity, to guarantee crusher chamber chamber shape, the mass action that smashes plate can be given full play to.

Task of the present utility model is finished like this, a kind of beating type crusher smashes the supporting mechanism of grillage, comprise be located in the crusher shell 1 and at a pair of guiding mechanism of disintegrating machine and smash a pair of front and rear connecting rods 4,2, a front and rear connecting rods axle 15,21, a carriage 34 and pair of support rods 16 between the grillage 7, the upper end of described a pair of front and rear connecting rods 4,2 is hinged with the wall body of housing 1 respectively, and the lower end is hinged with the two ends of front and rear connecting rods axle 15,21 respectively; Carriage 34 places on the front and rear connecting rods axle 15,21, its front portion and the lower hinge that smashes grillage 7, and tail end then is connected with a pair of guiding mechanism, the rear end of pair of support rods 16 and carriage 34 loose joints, front end and the upper articulation that smashes grillage 7.

The utility model is owing to adopted said structure; can guarantee to smash grillage and have the whole displacement that equates; make gap between the rotor that smashes plate 8 and disintegrating machine 39 that smashes on the grillage 7 reach on the whole uniformity; thereby guaranteed that crusher chamber chamber shape can not change, and the mass action that smashes plate 8 can be given full play to.

Below in conjunction with accompanying drawing the utility model is further described below.

Fig. 1 is for smashing the structure chart that grillage upper end slideway is fixed, the lower end flexibly connects in the prior art.

Fig. 2 is the utility model structure chart.

Fig. 3 is installed on enforcement illustration on the beating type crusher for the utility model.

The upper end of front and rear connecting rods 4,2 of the present utility model is hinged with the housing 1 of disintegrating machine by pivot pin 3 separately, and the lower end is placed on the spindle nose 14,20 of front and rear connecting rods axle 15,21 by the spindle nose hole 19 of presetting on it, cover location-plate 17 again, and the screw 13 of going on the spindle nose 14,20 with location-plate bolt 18 bolts stopped, deviates from from spindle nose 14,20 with the lower end that prevents front and rear connecting rods 4,2.Like this, both realized a pair of front rod 4 and a pair of back link 2 hinged with front and rear connecting rods axle 15,21 respectively, and reached again and make front and rear connecting rods axle 15,21 be in suspended state.Place the carriage 34 on the front and rear connecting rods axle 15,21 to comprise a pair of arm, each tool axis hole 12 of the front end of a pair of arm, and bottom two sides that smash grillage 7 also have a pair of axis hole 10, with pivot pin 11 in regular turn bolt go into axis hole 10,12, thereby realize front portion and the lower hinge that smashes grillage 7 with carriage 34.And the tail end of carriage 34 is installed with a pair of holder 23, and the effect of a pair of holder 23 is to be connected with a pair of guiding mechanism for it.On the upper side of the rear portion of carriage 34, be installed with a pair of bracketing seat 33, each bracketing seat 33 tools one cotter way 32, the rear end of pair of support rods 16 is placed respectively on a pair of bracketing seat 33, go into prefabricated pin shaft hole on the support bar 16 with bearing pin 31 pin, thereby make the rear end and carriage 34 loose joints of pair of support rods 16.Front end in pair of support rods 16 all is shaped on a connector 5 in advance, and a pair of axis hole 9 is also arranged at the top that smashes grillage 7, pass hole and axis hole 9 on the connector of pair of support rods 16 with a pair of bearing pin 6 respectively, thereby realize front end and the upper articulation that smashes grillage 7 pair of support rods 16.By shaft tray 34, pair of support rods 16 respectively with smash the hinged of grillage 7, make to smash grillage 7 and be in suspension status, guaranteed thus steppedly foldedly to be located at the some plates 8 that smash that smash on the grillage 7 and also to be suspension status.

The mentioned a pair of guiding mechanism of the utility model comprises respectively adjusts cover 28, adjust screw rod 26, bearing lever 29, spring 25, contiguous block 24, hold-doun nut 27, adjust cover 28 be installed with the mutually solid adjustment cover holder 30 of crusher shell 1 on, adjust screw rod 26 adjustable grounds and be arranged on the rear end of adjusting cover 28, bearing lever 29 is positioned at the front end of adjusting cover 28, spring 25 is located to be adjusted in the cover 28, the one end is solid mutually with adjustment screw rod 26, the other end is solid mutually with an end of bearing lever 29, the other end of bearing lever 29 is installed with contiguous block 24, contiguous block 24 places on the holder 23 of carriage 34 afterbodys, after a pair of contiguous block 24 places on a pair of holder 23 respectively, with pivot pin 22 pin joints, thereby realize making being connected of a pair of guiding mechanism and carriage 34.Even the version of above-mentioned a pair of guiding mechanism is transformed into the hydraulic pressure form, but do not detach the scope of the overall technological scheme that this mechanism is connected with carriage 34 yet.

The utility model is its effect that embodies like this, as shown in Figure 3, the ore of needs fragmentation is introduced crusher chamber 35 from the charging aperture 38 of beating type crusher cabinet 37, ore is impacted by the some bars on the high speed rotor rotated 39 40, make ore with the process of crushing shell 36 bump in from large to small, wherein have partly ore produces bump fragmentation mutually in crusher chamber 35, ore particle after diminishing continues to hit fragmentation in stepped stacked the smashing that drops to rotor 39 under the strike state and smash on the grillage 7 between the plate 8, discharge from the discharging opening 41 of disintegrating machine until smashing the ore particle that becomes to meet certain particle size.From the above, smashing plate 8 is last one critical point that guarantee ore grain size, so the structure of supporting mechanism of the present utility model can guarantee the strike crushing effect of ore, guarantees to obtain stable product granularity.Because in case after smashing plate 8 and being worn, can be adjusted by guiding mechanism.As can be seen from Figure 2, unclamp hold-doun nut 27, with a pair of adjustment screw rod 26 of instrument conrotatory, a pair of spring 25 is stressed, make a pair of contiguous block 24 produce active force and promote carriage 34 reaches, because carriage 34 is with the lower hinge that smashes grillage 7, so smash the also corresponding reach in bottom of grillage 7, meanwhile, since pair of support rods 16 with smash grillage 7 upper articulations, so smash the also corresponding reach in the top of grillage 7, the leading integral body of its leading and bottom equates, final realize that stepped being stacked and placed on smashes some on the grillage 7 and smash the displacement forward of plate 8 integral levels, is rotated with hold-doun nut 27 at last.Thereby make the gap that smashes plate 8 and crusher rotor 39 reach on the whole uniformity, guaranteed the chamber shape of crusher chamber.Again because before, back link 4,2 and carriage 34 constitutes is the quadric chain structure that opposite side equates, thereby after having determined to smash plate 8 wearing and tearing, adjusting by guiding mechanism, its each work particle horizontal displacement is identical, thereby guaranteed to smash plate 8 and can obtain in time compensation uniformly after frayed, so also can improve the using rate of metal that smashes plate 8 greatly, reduction equipment operating cost, again as can be seen from Figure 2, the whole grillage 7 that smashes is in suspension status together with the folded plate of establishing on it 8 that smashes of gradient shape, so smashing plate 8 its mass action when work can be not fully exerted.In addition, enter in the chamber if run into the thing of ironware and so on, structure of the present utility model also can guarantee to smash grillage 7 and retire backward and dodge, thereby fool proof.

Claims (1)

1, a kind of beating type crusher smashes the supporting mechanism of grillage, comprise and be located at a pair of guiding mechanism in the crusher shell (1) and that be positioned at disintegrating machine and smash a pair of front and rear connecting rods (4), (2), a front and rear connecting rods axle (15), (21), a carriage (34) and pair of support rods (16) between the grillage (7), the upper end that it is characterized in that described a pair of front and rear connecting rods (4), (2) is hinged with the wall body of housing (1) respectively, and the lower end is hinged with the two ends of front and rear connecting rods axle (16), (21) respectively; Carriage (34) places on front and rear connecting rods axle (15), (21), its front portion and the lower hinge that smashes grillage (7), tail end then is connected with a pair of guiding mechanism, the rear end of pair of support rods (16) and carriage (34) loose joint, front end and the upper articulation that smashes grillage (7).

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