CN206072109U - A kind of dust-proof pivoting support - Google Patents

Abstract

This utility model discloses a kind of dust-proof pivoting support, including outer ring, inner ring and rolling element, and the outer ring is coordinated to rotate with inner ring and is connected, and is provided with rolling element at the outer ring and inner ring cooperation, and the inner ring is provided with oilhole, lubricating cup and a raceway.The outer ring surface of the inner ring is provided with a raceway, connects oilhole on the inside of a raceway, and the oilhole direction is downward, and its bottom thread connects lubricating cup, and the inner ring bottom is provided with draw-in groove, and the inner ring is by a draw-in groove number cover plate of connection.The inner ring surface of the outer ring is provided with No. two raceways coordinated with a raceway, and the rolling element is placed in the circuit of a raceway and No. two raceway formation.This utility model designs lubricating cup, oilhole in the bottom of device, and lubricating cup is check valve so that device can completely cut off dust impurity in operation and enter in raceway from oil duct, novel in design, rational in infrastructure, increase the stable operation of rolling element, reduce maintenance cost.

Description

A kind of dust-proof pivoting support

Technical field

This utility model is related to a kind of machinery, in particulars relate to a kind of dust-proof pivoting support.

Background technology

Pivoting support is a kind of large size bearing that can bear combined load, can bear larger axial, radial direction simultaneously Load and tilting moment.Pivoting support using very extensively, is known as in real industry：" joint of machine ", is two things Need to make relative gyration between body, important biography necessary to the machinery of axial force, radial force, tilting moment need to be born again simultaneously Dynamic component.With developing rapidly for machinery industry, pivoting support ship equipment, engineering machinery, light industry and machinery, metallurgical machinery, The industries such as medical machinery, industrial machinery are widely used, but device has dust in reality is using running Impurity is entered in the raceway that rolling element is located from oilhole oil duct and sealing strip sealing, causes rolling resistance to increase, and operation is slow, Maintenance cost increases, and the stable operation of breaking plant, the dust impurity of wherein most are fallen from the external device at top , the oilhole of at the sealing strip sealing from the top of pivoting support and side enters internal raceways, needs to change existing for this Situation is solving this problem.

The content of the invention

For the problem that above-mentioned prior art is present, this utility model provides a kind of dust-proof pivoting support so that device exists Dust impurity can be completely cut off in operation in raceway, modern design is rational in infrastructure, increases the stable operation of rolling element.

To achieve these goals, the technical solution adopted in the utility model is：

A kind of dust-proof pivoting support, including outer ring, inner ring and rolling element, the outer ring are coordinated to rotate with inner ring and are connected, institute Stating and rolling element is provided with outer ring and inner ring cooperation, the inner ring is provided with oilhole, lubricating cup and a raceway, the outer ring surface of the inner ring A raceway is provided with, oilhole on the inside of a raceway, is connected, the oilhole direction is downward, and its bottom thread connection oil Cup, the inner ring bottom are provided with draw-in groove, the inner ring by a draw-in groove number cover plate of connection, the inner ring surface of the outer ring be provided with No. two raceways that a number raceway coordinates, the rolling element are placed in the circuit of a raceway and No. two raceway formation, described Sealing strip is provided with outer ring and inner ring cooperation, No. two cover plates at the top of the sealing strip, are provided with.

Used as the further optimization of such scheme, the outer ring is provided with rolling element access way, and the rolling element turnover is logical Road is connected with No. two raceways, and the rolling element access way vertical direction is provided with pin hole.

Used as the further optimization of such scheme, the rolling element access way is fixed with plugging block closing, the blocking Block is fixed on outer ring by pin.

Used as the further optimization of such scheme, the rolling element includes steel ball and spacing block, and some steel balls and isolation Block gap it is evenly distributed in the ring raceway of a raceway and No. two raceway formation.

Used as the further optimization of such scheme, the outer ring is uniformly provided with some groups of through holes, and the inner ring is uniformly provided with Some groups of bolts hole, the through hole and bolt hole are used to connect peripheral hardware.

Used as the further optimization of such scheme, the lubricating cup is check valve.

Used as the further optimization of such scheme, a cover plate and No. two cover plates are hollow circular cylinder.

Compared with prior art, the beneficial effects of the utility model are as follows：

1st, pivoting support is connected to peripheral hardware by through hole and bolt hole by a kind of dust-proof pivoting support of the present utility model On, rolling element is fitted in raceway by the rolling element access way on outer ring, will be rolling element turnover logical using plugging block Road is closed, and pin is inserted locked plugging block in pin hole, then lubricating oil is added from the lubricating cup of bottom, is entered by oilhole In raceway, the frictional resistance of rolling element is reduced, and in plant running, downward oilhole and lubricating cup can effectively completely cut off dust impurity Enter in raceway, while being covered at the top of sealing strip using No. two cover plates so that No. two cover plates have completely cut off dust impurity from oil duct Enter in raceway from top sealing strip, the stable operation of device can be greatly improved.

2nd, a kind of dust-proof pivoting support of the present utility model, by lubricating cup, oilhole design in the bottom of device, and lubricating cup is single To valve so that device can completely cut off dust impurity in operation and enter in raceway from oil duct, novel in design, rational in infrastructure, increase The stable operation of rolling element, while the axial seal of device can be greatly reduced dust in plant running using two groups of cover plates Impurity is entered in raceway from the sealing strip at top, is that device stable operation provides safeguard, and double shield substantially increases device Life-span, reduce maintenance cost.

Description of the drawings

Fig. 1 is a kind of overlooking the structure diagram of dust-proof pivoting support of the present utility model.

Fig. 2 be a kind of dust-proof pivoting support of the present utility model Fig. 1 in A-A directions sectional view schematic diagram.

Fig. 3 is a kind of inner ring section view figure structure schematic representation of dust-proof pivoting support of the present utility model.

Fig. 4 is a kind of outer ring section view figure structure schematic representation of dust-proof pivoting support of the present utility model.

In figure, reference is：1st, outer ring；2nd, through hole；3rd, sealing strip；4th, inner ring；5th, bolt hole；6th, oilhole；7th, pin Hole；8th, rolling element；9th, lubricating cup；10th, a cover plate；11st, No. two cover plates；12nd, pin；13rd, plugging block；14th, rolling element turnover is logical Road；15th, a raceway；16th, No. two raceways.

Specific embodiment

To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by accompanying drawing and implementing Example, is further elaborated to this utility model.However, it should be understood that specific embodiment described herein only to This utility model is explained, scope of the present utility model is not limited to.

Referring to Fig. 1-Fig. 4, Fig. 1 is a kind of overlooking the structure diagram of dust-proof pivoting support of the present utility model.Fig. 2 is this A-A directions sectional view schematic diagram in Fig. 1 of a kind of dust-proof pivoting support of utility model.Fig. 3 is of the present utility model a kind of anti- The inner ring section view figure structure schematic representation of dirt pivoting support.Fig. 4 is a kind of outer ring section view of dust-proof pivoting support of the present utility model Figure structure schematic representation.

A kind of dust-proof pivoting support, including outer ring 1, inner ring 4 and rolling element 8, the outer ring 1 coordinate the company of rotation with inner ring 4 Connect, at the outer ring 1 and 4 cooperation of inner ring, be provided with rolling element 8, the inner ring 4 is provided with oilhole 6, lubricating cup 9 and a raceway 15.Institute The outer ring surface for stating inner ring 4 is provided with a raceway 15, on the inside of a raceway 15 connect oilhole 6,6 direction of the oilhole be to Under, downward oilhole 6 can avoid dust impurity from falling in oilhole, and its bottom thread connects lubricating cup 9, and the lubricating cup 9 is single To valve, the check valve of lubricating cup 9 causes the oil duct of device to completely cut off in operation to contact with extraneous, prevent dust and enter raceway.

The inner ring surface of the outer ring 1 is provided with No. two raceways 16 coordinated with a raceway 15, and the rolling element 8 is placed in institute State in the circuit that a raceway 15 and No. two raceways 16 are formed, the rolling element 8 includes steel ball and spacing block, and some steel balls and Spacing block compartment of terrain is evenly distributed in the ring raceway that a raceway 15 and No. two raceways 16 are formed, the outer ring 1 with Sealing strip 3 is provided with 4 cooperation of inner ring, No. two cover plates 11 at the top of the sealing strip 3, are provided with, is covered in sealing strip using No. two cover plates 11 3 top so that No. two cover plates 11 have completely cut off dust impurity and entered in raceway from top sealing strip 3.4 bottom of the inner ring is provided with Draw-in groove, the inner ring 4 connect a cover plate 10 by draw-in groove, and a cover plate 10 and No. two cover plates 11 are hollow circuit cylinder Body.The outer ring 1 is provided with rolling element access way 14, and the rolling element access way 14 is connected with No. two raceways 16, the rolling 14 vertical direction of kinetoplast access way is provided with pin hole 7, assembles rolling element 8 by the rolling element access way 14 on outer ring 1 Into in raceway.The rolling element access way 14 is fixed with the closing of plugging block 13, and the plugging block 13 is fixed by pin 12 On outer ring 1.

The outer ring 1 is uniformly provided with some groups of through holes 2, and the inner ring 4 is uniformly provided with some groups of bolts hole 5, the through hole 2 It is used to connect peripheral hardware with bolt hole 5.

When a kind of dust-proof pivoting support of the present utility model is used, rotary supporting device is connected by through hole 2 and bolt hole 5 It is connected on peripheral hardware, rolling element 8 is fitted in raceway by the rolling element access way 14 on outer ring 1, using plugging block 13 Rolling element access way 14 is closed, pin 12 is inserted into locked plugging block 13 in pin hole 7, then from the lubricating cup 9 of bottom Lubricating oil is added, the frictional resistance that rolling element 8 is reduced in raceway, 6 He of oilhole downward in plant running are entered by oilhole 6 Lubricating cup 9 can effectively be completely cut off dust impurity and be entered in raceway, while being covered on the top of sealing strip 3 using No. two cover plates 11 from oil duct Portion so that No. two cover plates 11 have completely cut off dust impurity and entered in raceway from top sealing strip 3, novel in design, rational in infrastructure, can be with Greatly improve the stable operation of device.

Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this Any modification, equivalent or improvement made within the spirit and principle of utility model etc., should be included in this utility model Protection domain within.

Claims (7)

1. a kind of dust-proof pivoting support, including outer ring (1), inner ring (4) and rolling element (8), the outer ring (1) are matched somebody with somebody with inner ring (4) Close and rotate connection, at the outer ring (1) and inner ring (4) cooperation, be provided with rolling element (8), it is characterised in that:The inner ring (4) is provided with Oilhole (6), lubricating cup (9) and a raceway (15), the outer ring surface of the inner ring (4) are provided with a raceway (15), described No. one Connect oilhole (6) on the inside of raceway (15), oilhole (6) direction be downward, and its bottom thread connects lubricating cup (9), described interior Circle (4) bottom is provided with draw-in groove, and the inner ring (4) connects a cover plate (10) by draw-in groove, sets on the inner ring surface of the outer ring (1) There are No. two raceways (16) coordinated with a raceway (15), the rolling element (8) is placed in a raceway (15) and No. two rollings In the circuit that road (16) is formed, sealing strip (3) is provided with the outer ring (1) and inner ring (4) cooperation, at the top of the sealing strip (3) It is provided with No. two cover plates (11).

2. a kind of dust-proof pivoting support according to claim 1, it is characterised in that：The outer ring (1) is provided with rolling element and enters Go out passage (14), the rolling element access way (14) is connected with No. two raceways (16), the rolling element access way (14) is hung down Nogata is to being provided with pin hole (7).

3. a kind of dust-proof pivoting support according to claim 2, it is characterised in that：The rolling element access way (14) is used Plugging block (13) closing is fixed, and the plugging block (13) is fixed on outer ring (1) by pin (12).

4. a kind of dust-proof pivoting support according to claim 1, it is characterised in that：The rolling element (8) including steel ball and Spacing block, and some steel balls and spacing block compartment of terrain are evenly distributed on a raceway (15) and No. two raceways (16) are formed In ring raceway.

5. a kind of dust-proof pivoting support according to claim 1, it is characterised in that：The outer ring (1) is uniformly provided with some Group through hole (2), the inner ring (4) are uniformly provided with some groups of bolts hole (5), and the through hole (2) and bolt hole (5) are outer for connecting If.

6. a kind of dust-proof pivoting support according to claim 1, it is characterised in that：The lubricating cup (9) is check valve.

7. a kind of dust-proof pivoting support according to claim 1, it is characterised in that：A number cover plate (10) and No. two lids Plate (11) is hollow circular cylinder.