CN2886182Y

CN2886182Y - Rolling bearing dedicated for economical type ball mill

Info

Publication number: CN2886182Y
Application number: CNU2006200697115U
Authority: CN
Inventors: 孔庆山
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-26
Filing date: 2006-02-26
Publication date: 2007-04-04
Anticipated expiration: 2016-02-26

Abstract

A saving type rolling bearing specially used in ball grinder belongs to a rolling bearing. The rolling bearing comprises an outer ring, an inner ring, a rolling body and a holder, the outer ring is a whole circle, a half circle or one third of the circle. The rolling body is connected with the holder, the inner ring and the holder are all two half circle bodies and the two half circle bodies are connected and form a whole circle. The inner circle and the holder are all two half circle bodies and the two half circle bodies are connected by a bolt and form a whole circle, when the rolling bearing is installed and replaced, firstly the inner rings of the two half circles are fixed on the hollow axle of the grinder, then the holder and the outer ring are fixed, the installation and replacement are convenient. The sphere arc of the outer ring of the special rolling bearing corresponds to the sphere arc of the bearing seat, an auto center adjustment effect is provided, the double roller pole positioned in the bearing is cylinder to make the bearing just bear a rolling force and not bear a center adjustment force and an axial force, the structure of the bearing is simple, the material is saved, the manufacture is convenient, the cost is reduced, electricity saving, oil saving, water saving and without maintenance are provided, the accident rate is reduced, the life time is prolonged.

Description

The special-purpose rolling bearing of economizing type pebble mill

Technical field

The present invention relates to a kind of rolling bearing, the special-purpose rolling bearing of particularly a kind of economizing type pebble mill.

Background technique

Form, the kind of the combined bearing that the ball mill barrel pivoting support uses are a lot, what use was maximum on pebble mill is spherical bush, also claim sliding bearing, this spherical bush is " face contacts " with the quill shaft of grinding machine, surface friction drag is bigger, and power consumption, oil consumption, water consumption height all stay the impression of " thick, big, stupid " to people.And rolling bearing is " line contact " with contacting of quill shaft, frictional resistance obviously reduces, the existing at present rolling bearing that much changes into, but what adopt mostly is common " twin roller aligning antifriction bearing ", it is the retainer of roller, back-up roller kinetoplast that this bearing includes bearing outer ring, bearing inner race, rolling element, the roller of bearing will be concentrated the axial force and the longitudinal force of bearing pebble mill simultaneously, be rolling load power and aligning force, the roller, bearing inner orbit face premature wear that make rolling bearing are until using, and bearing is short working life.In particular for when solving " expanding with heat and contract with cold " of grinding mill barrel, how below bearing support, to adopt roller bearing to move, both unreliable, also inconvenient, and also working life is short, and power consumption is high, efficient is low.Because grinding machine is bulky with bearing, cause great difficulty for installation and replacing bearing.

Summary of the invention

The purpose of this utility model is a kind of installation will be provided, change easily the special-purpose rolling bearing of economizing type pebble mill.

The purpose of this utility model is achieved in that this rolling bearing has outer ring, inner ring, rolling element and retainer, and the outer ring is full circle, 1/2 circle or 1/3 circle; Rolling element is connected on the retainer; Inner ring and retainer are two semiround body and are connected to a full circle.

The rail slot that rolling element is arranged on the inwall of outer ring, the outer wall of outer ring are the sphere arc.

Inner ring is the pipe shape, and the side at interior ring outer wall has the protrusion around outer wall, is connected with baffle plate at opposite side; The perhaps length of the pipe shape of inner ring is greater than the width of outer ring.

Beneficial effect: owing to adopt such scheme, inner ring and roller holder are two semiround body and are connected to a full circle by bolt, a fixed end bearing and another mobile terminal bearing are one pair, be installed in respectively on the quill shaft of grinding machine two ends, elder generation puts together on the inner ring of two semicircles on the quill shaft of grinding machine when installation, replacing, and then retainer and outer ring are installed, it is convenient to install, change, and has reached the purpose of this utility model.This special use housing washer profile is the sphere arc, the profile of this sphere arc with have the self-aligning effect after the sphere arc of bearing support cooperates, twin roller in the bearing is that cylindrical body contacts face length with two plane of trajectory orbital of bearing, stressed even, make bearing only bear rolling power, and do not bear aligning force and axial force, like this when swollen rising is heated in the grinding mill barrel running, it is fixed that the bearing at cylindrical shell two ends has an end, the bearing of the other end is portable, that is: " being heated " needs outwards " swollen rising " when grinding mill barrel work is turned round, the position of its two end axles bearing can not become, and bearing outer ring has only cooperated the effect of cylindrical shell aligning with sphere arc in the bearing support, but does not rotate, have only bearing inner race to rotate with quill shaft, and can outwards stretch vertically, can also keep running well.Can satisfy on-stream " axial stretching ", " radially swollen the rising " of being caused because of " being heated " of grinding mill barrel, the four big requirements of " aligning " and " location " simultaneously, thereby improve wear resistance and bearing integral working life of bearing roller.Use, easy for installation, bearing structure is simple, save raw material, easily manufactured, cost reduces.This bearing is " line contacts " with the quill shaft of grinding machine, and surface friction drag obviously reduces, and therefore can save electric energy.Than spherical bush is sliding bearing or common " twin roller aligning antifriction bearing ", economize on electricity, fuel-economizing, water saving, non-maintaining, and convenient the installation reduced accident rate, prolonged working life, reduces production costs.

Description of drawings

Fig. 1, be the structural drawing of the bearing of full circle for the utility model outer ring

Fig. 2, be the structural drawing of bearing of 1/2 circle for the utility model outer ring

Fig. 3, be the structural drawing of bearing of 1/3 circle for the utility model outer ring

Fig. 4, be the utility model rigid bearing sectional structure chart

Fig. 5, move the bearing sectional structure chart for the utility model

Embodiment

Embodiment 1: this rolling bearing has outer ring 4, inner ring 2, rolling element 3 and retainer 1, and outer ring 4 is a full circle; Rolling element 3 is connected on the retainer 1; Inner ring 2 and retainer 1 are two semiround body and are connected to a full circle by bolt.

The rail slot that rolling element is arranged on the inwall of outer ring 4, the outer wall of outer ring 4 are the sphere arc

The inner ring 2 of bearing is the pipe shape, and the side at inner ring 2 outer walls has the protrusion around outer wall, is connected with baffle plate 5 in an other side, the bearing that the bearing that is made of this inner ring 2 uses for the grinding machine discharge end, i.e. rigid bearing;

Rigid bearing is installed on the quill shaft of discharge end of grinding machine cylinder, inner ring is made 1/2 circle, constitute by last inner ring 2-2 and following inner ring 2-1, use bolt combination (Hough) to become full circle then, inner ring 2 and inner ring baffle plate 5 are fixed on the quill shaft of pebble mill, the plane of trajectory orbital of rolling element and groove in the formation, there is the roller of band retainer to be installed in the track of bearing inner race, retainer 1 by holder 1-1 and following retainer 1-2 synthetic full circle, and then the outer ring 4 of packing into together, outer ring 4 is a full circle, with become the rolling type line in inner track face and the groove and contact rotation, and play the ball mill barrel fixed position effect in when running, must not move, i.e. " location ".

Embodiment 2: the length of the pipe shape of bearing inner race 2, be longer than the width of outer ring, and the bearing that is made of this inner ring 2 is the bearing that the grinding machine feed end uses, promptly mobile bearing.

Mobile bearing is installed on the quill shaft of feed end of grinding machine cylinder, inner ring 2 is made 1/2 circle, constitute by last inner ring 2-2 and following inner ring 2-1, use bolt combination to become whole circle then, inner ring 2 is fixed on the quill shaft of pebble mill, rolling element 3 is installed on the retainer 1, retainer 1 is formed closing by holder 1-1 and following retainer 1-2, rolling element 3 is a Shuan Pai Roll post, make cylindrical body and contact face length with the bearing track face, stressed even, because the outer wall of outer ring 4 is the sphere arc, so on bearing, only bear rolling power, do not bear aligning force, thereby improve the wear resistance and the working life of bearing roller, because the length of the inner ring 2 of mobile bearing is greater than the width of outer ring 4, along with " rising-heat contracting-cold " of cylindrical shell at length direction can move freely.Other and embodiment 1 omit together.

Embodiment 3: outer ring 4 is 1/2 circle.Other and embodiment 1 omit together.

Embodiment 4: outer ring 4 is 1/3 circle.Other and embodiment 1 omit together.

Claims

1, the special-purpose rolling bearing of a kind of economizing type pebble mill includes the retainer of bearing outer ring, bearing inner race, rolling element and back-up roller kinetoplast, and it is characterized in that: the outer ring of this rolling bearing is full circle, 1/2 circle or 1/3 circle; Rolling element is connected on the retainer; Inner ring and retainer are two semiround body and are connected to a full circle.

2, the special-purpose rolling bearing of economizing type pebble mill according to claim 1, it is characterized in that: the rail slot of rolling element is arranged on the inwall of outer ring, and the outer wall of outer ring is the sphere arc.

3, the special-purpose rolling bearing of economizing type pebble mill according to claim 1, it is characterized in that: inner ring is the pipe shape, the side at interior ring outer wall has the protrusion around outer wall, is connected with baffle plate at opposite side; The perhaps length of the pipe shape of inner ring is greater than the width of outer ring.