CN201547128U - Biserial steel-wire raceway ball-type pivoting support - Google Patents

Abstract

The utility model discloses a biserial steel-wire raceway ball-type pivoting support, which comprises an outer ring 1 and an outer ring 2, wherein the outer ring 2 is positioned at the inner side of the lower part of the outer ring 1; an inner ring is positioned at the inner sides of the outer ring 1 and the outer ring 2; an upper groove and a lower groove are arranged at the outer wall of the inner ring; an upper groove is arranged at the inner side of the upper part of the outer ring 1; a lower groove is arranged at the inner side of the outer ring 2; the upper groove and the lower groove at the outer wall of the inner ring, the upper groove at the inner side of the outer ring 1 and the lower groove at the inner side of the outer ring 2 are inlaid with steel wire rings; a steel ball is arranged between the upper groove at the outer wall of the inner ring and the upper groove at the inner side of the upper part of the outer ring 1; a steel wire is also arranged between the lower groove at the outer wall of the inner ring and the lower groove at the inner side of the outer ring 2; and the steel balls are positioned in a pocket hole of a retainer. With the adoption of the biserial steel-wire structure, the pivoting support can meet the requirements on axial force and radial force and on the special working conditions of low noise, good stability and long service life required by a host machine, thereby being applicable to the medical equipment, the high-speed rotating equipment or heavy machines.

Description

Biserial wire roller ball-type slewing bearing

Technical field

The utility model relates to a kind of pivoting support that is used for medical treatment, high-speed rotating equipment or some heavy machineries.

Background technique

At present, on the equipment of medical treatment and high speed rotating or on some heavy machineries, especially in use to the requirement of thrust load and radial load, consider low noise, stability, the life-span long requirement of main frame client simultaneously to pivoting support, and the main frame installing space is subjected to the restriction of physical dimension, in order to reach compact main machine structure and to reduce product cost, adopt traditional ball-type slewing bearing can't satisfy the needed low noise of axial force radial force, tilting moment and main frame, stability, long particular job environment requirement of life-span.

Summary of the invention

In order to overcome the deficiency that existing pivoting support can not satisfy the needed particular job environment requirement of axial force radial force, tilting moment and main frame, the utility model provides a kind of biserial wire roller ball-type slewing bearing, and this pivoting support can satisfy the needed low noise of axial force radial force, tilting moment and main frame, stability, long requirement of life-span.

The technological scheme that its technical problem that solves the utility model adopts is: this pivoting support comprises outer ring one and outer ring two, outer ring two is positioned at the lower inside of outer ring one, inner ring is positioned at outer ring one and two inboards, outer ring, interior ring outer wall is provided with upper groove and low groove, outer ring one upper inner is provided with upper groove, two inboards, outer ring are provided with low groove, the upper groove of interior ring outer wall and low groove, all stud with steel traveler in the low groove of the upper groove of outer ring one upper inner and two inboards, outer ring, be equipped with steel ball between the upper groove of the upper groove of interior ring outer wall and outer ring one upper inner, also be equipped with steel ball between the low groove of the low groove of interior ring outer wall and two inboards, outer ring, steel ball is positioned at the pocket hole of retainer.

The utility model adopts the structure of biserial steel wire, can satisfy the needed low noise of axial force radial force, tilting moment and main frame, stability, long particular job environment requirement of life-span.Be applicable to equipment or some heavy machineries of medical treatment and high speed rotating.

Description of drawings

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is a structural representation of the present utility model.

Among the figure: 1. the outer ring one; 2,6,8,11. steel traveler; 3,10. steel ball; 4. inner ring; 5. lubricating cup; 7,12 retainers; 9. the outer ring two.

Embodiment

In Fig. 1, outer ring 29 is positioned at the lower inside of outer ring 1, and inner ring 4 is positioned at outer ring 1 and 29 inboards, outer ring.Inner ring 4 outer walls are provided with upper groove and low groove, and outer ring one 1 upper inner are provided with upper groove, and 29 inboards, outer ring are provided with low groove.All stud with steel traveler 11 in the low groove of the upper groove of the upper groove of inner ring 4 outer walls and low groove, outer ring one 1 upper inner and two inboards, outer ring, be equipped with steel ball 3 between the upper groove of the upper groove of inner ring 4 outer walls and outer ring one 1 upper inner, be equipped with steel ball 10 between the low groove of the low groove of inner ring 4 outer walls and 29 inboards, outer ring, steel ball 10 is positioned at the pocket hole of retainer 12.

Steel ball 3 rolls between steel traveler 2,6, and steel ball 10 rolls between steel traveler 8,11; Lubricating cup 5 is assemblied in inner ring 4 oilholes; Retainer 12 can guarantee that steel ball can not come off according to the spheroid combination of big young pathbreaker's any amount of bearing when main frame is installed.During assembling, earlier steel ball is packed in the retainer, respectively outer ring 1, outer ring 29 and inner ring 4 being sling then is put on the pressing plate, and with Internal and external cycle upper and lower end face wiped clean, simultaneously steel traveler is respectively charged in the corresponding steel wire groove of Internal and external cycle.Outer ring 1 is fixed on the worktable, install to a row steel ball in the steel wire groove of outer ring 1 together with retainer, then inner ring 4 is hung the fitter's bench top and installs to the outer ring and go for one 1 li, rotation inner ring 4, the one row steel traveler and the steel ball of inner ring 4 are cooperated, again the steel ball of another row and retainer are put in the another one steel traveler raceway groove of inner ring.At last, outer ring 22 sling to be put on the inner ring 4, makes outer ring 29 and outer ring 1, steel traveler and steel ball reach the requirement of cooperation.After Internal and external cycle assembles, the lubricating cup 5 of packing into.

Claims (1)

1. biserial wire roller ball-type slewing bearing, this pivoting support comprises outer ring one and outer ring two, it is characterized in that outer ring two is positioned at the lower inside of outer ring one, inner ring is positioned at outer ring one and two inboards, outer ring, interior ring outer wall is provided with upper groove and low groove, outer ring one upper inner is provided with upper groove, two inboards, outer ring are provided with low groove, the upper groove of interior ring outer wall and low groove, all stud with steel traveler in the low groove of the upper groove of outer ring one upper inner and two inboards, outer ring, be equipped with steel ball between the upper groove of the upper groove of interior ring outer wall and outer ring one upper inner, also be equipped with steel ball between the low groove of the low groove of interior ring outer wall and two inboards, outer ring, steel ball is positioned at the pocket hole of retainer.

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