CN201711271U

CN201711271U - Reinforced vibrating screen

Info

Publication number: CN201711271U
Application number: CN2010201168990U
Authority: CN
Inventors: 储滨; 肖阳; 戴运平
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd
Priority date: 2010-02-23
Filing date: 2010-02-23
Publication date: 2011-01-19
Anticipated expiration: 2020-02-23

Abstract

The utility model discloses a reinforced vibrating screen, comprising a rectangular beam frame. The left and the right side plates of the rectangular beam frame are provided with a plurality of through holes with certain pitches, the fixing ends of a plurality of metallic grate bars respectively penetrate through the through holes and are fixedly arranged on the rectangular beam frame, in addition, the fixing end of each metallic grate bar is provided with a pin hole, and a wedge pin is inserted into the pin holes from the top down so as to apply axial strain force on the metallic grate bar and play a role of fastening the metallic grate bars. The wedge pin is thick on the upper end and thin on the lower end and is provided with a slit from the bottom up, which are used for dividing the lower part of the wedge pin into two parts upwards bending, therefore, the roles of preventing the looseness of the wedge pin and realizing self locking are played. The reinforced vibrating screen can ensure that the service lives of the metallic grate bars are prolonged to four months from the original two months.

Description

A kind of reinforced vibratory sieve

Technical field

The utility model relates to a kind of Supplying Sieving Mechanism, relates in particular to a kind of Supplying Sieving Mechanism that has ruggedized construction.

Background technology

Vibratory sieve is the common equipment that in the metallurgy industry material is sieved processing.Existing Grating vibratory sieve is made up of some single piece of metal grating and rectangle roof beams structure with certain-length by certain distance, wherein the left and right sides plate of rectangle roof beam structure is provided with several to perforation, each root metal grating passes one to after the perforation, be weldingly fixed on the rectangle roof beam structure, and then the composition screen cloth, the gap between adjacent two gratings is exactly the size of vibratory sieve mesh.Yet in screening process,, often have some gratings and fracture in use takes place or become flexible, cause the Grating vibratory sieve can't operate as normal owing to reasons such as the material of grating and the relations of installation to material.Processing method for this problem is at present: use a new grating to replace the old grating that has damaged, but reason owing to the work on the spot condition, through the new grating replaced qualitatively far below the grating quality of original installation, new grating very easily ruptures than original grating in the course of the work, and service life is very short.

Summary of the invention

The purpose of this utility model is at replacing grating not long phenomenon in service life, the conversion thinking provides a kind of reinforced vibratory sieve, by the installation relation of fixedly strengthening original grating to original installation grating, thereby improve the service life of original grating, avoid frequently changing grating.Simultaneously, when original grating is damaged, can realize changing quickly and easily.

Technical conceive of the present utility model is as follows: by in the stiff end expense hole of original grating, and cooperate the pin-and-hole that wedge pin is inserted on the grating to realize the reinforcing of grating is fixed.In addition, in order to realize better fixed effect, on the plate of the left and right sides of rectangle roof beam structure, along the center line of perforation is opened a slit, upper plate and lower plate at the rectangle roof beam structure are opened perforation, and hold-down bolt is installed within it, thereby two parts are further drawn close about making the rectangle roof beam structure, and grating is further tightened.In addition, in order further to prolong the service life of grating, a long insulator that is with on the every grating with original Grating vibratory sieve is replaced by the short insulator of some joints, and respectively save and be provided with the elastic caoutchouc packing ring between the insulator, thereby make grating produce secondary vibration, and the power of disturbing of utilizing the elastic gum packing ring to be absorbed increases the elasticity amplitude of grating, thereby the elasticity of grating organically is connected with the exciting force of vibratory sieve.

For achieving the above object, the utility model provides a kind of reinforced vibratory sieve, comprise a rectangle roof beam structure, it is at regular intervals to perforation to have several tools on the left side plate of described rectangle roof beam structure, the stiff end of some metal gratings passes respectively and described perforation is fixedly installed on the described rectangle roof beam structure, the stiff end of described every metal grating all has a pin-and-hole, one wedge pin inserts in the described pin-and-hole from top to bottom, the wedge pin bottom is split pin, the metal grating is produced axial tightening force, thereby play the effect of fastening metal grating.Thick lower end, described wedge pin upper end is thin, and wedge pin has a slit from bottom to top, is used for upwards bending up behind the bottom separated into two parts with described wedge pin, prevents that wedge pin is loosening thereby play, and realizes the effect of self-locking.

Preferably, several have a slit to the perforation center line and arranged on left and right sides face upper edge of described rectangle roof beam structure, the upper and lower faces of described rectangle roof beam structure has several tools bolt at regular intervals to perforation, several hold-down bolts correspondence respectively pass described bolt to perforation, are used to compress the grating to perforation that passes described rectangle roof beam structure and arranged on left and right sides face.

Preferably, all be with the short insulator of some joints on described each root metal grating, be equipped with an elastic caoutchouc circle between the short insulator of described adjacent two joints.

The utility model is owing to adopted above technical scheme, make it to compare with existing Grating vibratory sieve, strengthened the fixed form of grating, thereby effectively reduced the phenomenon of the loosening fracture of grating, simultaneously be fixed in fixed form on the rectangle roof beam structure by welding manner, improved greatly and changed the convenience that damages grating than existing grating.

Description of drawings

The utility model is described in further detail below in conjunction with the drawings and specific embodiments.

Fig. 1 a is the front view of a kind of reinforced vibratory sieve of the utility model.

Fig. 1 b is the right side view of Fig. 1 a.

Fig. 1 c is the vertical view of Fig. 1 a.

Fig. 2 is the structural representation of metal grating in a kind of reinforced vibratory sieve of the utility model.

Fig. 3 a is the structural representation of wedge pin in a kind of reinforced vibratory sieve of the utility model.

Fig. 3 b is the side view of Fig. 3 a.

Fig. 4 a be in a kind of reinforced vibratory sieve of the utility model rectangle roof beam structure slit schematic diagram is set.

Fig. 4 b is the cutaway view at A-A place among Fig. 4 a.

Fig. 4 c is the cutaway view at B-B place among Fig. 4 a.

The specific embodiment

Vibratory sieve shown in Fig. 1 a-Fig. 1 c is a kind of preferred version of the present utility model.

This reinforced vibratory sieve mainly comprises some metal gratings 1, rectangle roof beam structure 4, several wedge pins 5 and several hold-down bolts 7.Wherein the structure of metal grating 1 as shown in Figure 2, its stiff end is provided with pin-and-hole 11.The left and right sides face of rectangle roof beam structure 4 is every having a pair of perforation 8 once intersegmental distance, each root metal grating 1 all passes one accordingly to boring a hole 8, is fixed on the rectangle roof beam structure 4 by wedge pin 5 then.Wherein the structure of wedge pin 5 is shown in Fig. 3 a and Fig. 3 b, and thick lower end, its upper end is thin, and the bottom-up seam that has, thereby its underpart is separated to both sides, thereby it is loosening to play wedge pin 5, realizes the effect of self-locking.All be with the short insulator 2 of some joints on each root metal grating 1, be provided with elastic gum packing ring 3 between two adjacent short insulators 2, thereby avoided between the short insulator 2 of more piece on the metal grating 1 because the degree of disturbing or the power of disturbing produce destruction, can make full use of the power of disturbing that elastic gum packing ring 3 absorbed again increases the elasticity amplitude of metal grating 1, even metal grating 1 produces secondary vibration, thereby the elasticity of metal grating 1 organically is connected with the exciting force of vibratory sieve.Shown in Fig. 4 a-Fig. 4 c, on the left and right sides face of rectangle roof beam structure 4, along 8 the center line of boring a hole is respectively had a slit 6, the two ends of this slit 6 are respectively two radiuses less than to boring a hole 8 circular hole.Whenever keeping at a certain distance away on the rectangle roof beam structure 4 just is equipped with a hold-down bolt 7 by a bolt to perforation, and hold-down bolt 7 cooperates with slit 6, rectangle roof beam structure 4 top and the bottom is further drawn close, thereby metal grating 1 is further tightened.

This reinforced vibratory sieve is by adopting parts such as wedge pin, short insulator, elastic caoutchouc packing ring, hold-down bolt, and it is effectively fixing that the metal grating is obtained, and improved the installation quality of metal grating.This reinforced vibratory sieve can make extend to four months by original two months the service life of metal grating, when the metal grating is damaged, also can realize changing quickly and easily in addition.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims

1. reinforced vibratory sieve, comprise a rectangle roof beam structure, it is at regular intervals to perforation to have several tools on the left side plate of described rectangle roof beam structure, the stiff end of some metal gratings passes respectively and described perforation is fixedly installed on the described rectangle roof beam structure, it is characterized in that: the stiff end of described every metal grating all has a pin-and-hole, one wedge pin inserts in the described pin-and-hole from top to bottom, and the wedge pin bottom is split pin.

2. reinforced vibratory sieve as claimed in claim 1, it is characterized in that, several have a slit to the perforation center line and arranged on left and right sides face upper edge of described rectangle roof beam structure, the upper and lower faces of described rectangle roof beam structure has several tools bolt at regular intervals to perforation, and several hold-down bolts pass described bolt respectively to perforation.

3. reinforced vibratory sieve as claimed in claim 2 is characterized in that, all is with the short insulator of some joints on each root metal grating, is equipped with an elastic gum packing ring between the short insulator of described adjacent two joints.