CN202220796U - Horizontal double-row crossed pin roller type slewing bearing - Google Patents

Horizontal double-row crossed pin roller type slewing bearing Download PDF

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Publication number
CN202220796U
CN202220796U CN 201120328228 CN201120328228U CN202220796U CN 202220796 U CN202220796 U CN 202220796U CN 201120328228 CN201120328228 CN 201120328228 CN 201120328228 U CN201120328228 U CN 201120328228U CN 202220796 U CN202220796 U CN 202220796U
Authority
CN
China
Prior art keywords
outer
centre circle
ring
roller
roller way
Prior art date
Application number
CN 201120328228
Other languages
Chinese (zh)
Inventor
王汉东
关元清
吴芳
黄鲁
刘璐
Original Assignee
马鞍山方圆回转支承股份有限公司
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Filing date
Publication date
Application filed by 马鞍山方圆回转支承股份有限公司 filed Critical 马鞍山方圆回转支承股份有限公司
Priority to CN 201120328228 priority Critical patent/CN202220796U/en
Application granted granted Critical
Publication of CN202220796U publication Critical patent/CN202220796U/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/50Other types of ball or roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings

Abstract

The utility model relates to a horizontal double-row crossed pin roller type slewing bearing, which is characterized in that: a middle ring is arranged between an outer ring and an inner ring and is symmetrically divided into an upper middle ring and a lower middle ring, the outer peripheral edge of the combined surface of the upper middle ring and the lower middle ring is used as a centre line, the outer side parts of the upper middle ring and the lower middle ring are provided with an outer middle roller way, the inner side parts of the upper middle ring and the lower middle ring are provided with an inner middle roller way, the cross sections of the outer middle roller way and the inner middle roller way are in semi-rectangular or semi-rhombic shapes, the outer middle roller way on the upper middle ring and the lower middle ring and a semi-rectangular or semi-rhombic inner roller way on the outer ring symmetrically form a pin roller way A, the inner middle roller way on the upper middle ring and the lower middle ring and a semi-rectangular or semi-rhombic outer roller way on the inner ring symmetrically form a pin roller way B, thereby forming a double-row pin roller way; the pin roller way A and the pin roller way B are respectively provided with a pin roller I and a pin roller II as well as an isolating block I and an isolating block II, the horizontal double-row crossed pin roller type slewing bearing has two rows of roller bodies on the slewing surface, including the pin roller I and the pin roller II, thereby increasing the bearing capacity and the anti-overturning moment.

Description

The double decussation roller formula of level pivoting support

Technical field

The utility model belongs to pivoting support, especially relates to a kind of roller type pivoting support.

Background technique

The using scope of pivoting support is more and more wider now; The machinery maximization also proposes increasingly high requirement to the thrust load and the tilting moment of pivoting support; But traditional single roller type pivoting support is because of receiving the restriction of axial dimension; Its bearing capacity and resistance to capsizing are restricted, and are difficult to satisfy the demand in market.

Summary of the invention

The purpose of the utility model is to propose the double decussation roller formula of a kind of level pivoting support; Under the relatively-stationary situation of axial dimension; Effectively improve the bearing capacity of roller type pivoting support; Not only satisfy the requirement that machinery maximizes, and can further expand the use field of roller type pivoting support.

The purpose of the utility model is that realization is like this: the double decussation roller formula of a kind of level pivoting support; Comprise outer ring, inner ring, roller, spacing block and oil nozzle, Stamping Steel Ribbon; It is characterized in that: between outer ring and inner ring, centre circle is set; And this centre circle is divided into centre circle and following centre circle up and down symmetrically; The middle part of the plane of a loop of centre circle and following centre circle is offered coaxial axial hole up and down respectively circumference uniform distribution and is installed bolt and link into an integrated entity on this; Outer periphery with centre circle on this and following centre circle junction plane is a center line, and the corresponding respectively cross section of offering is raceway and interior middle raceway in half rectangle or half rhombus outer in the lateral part and the inside portion of upper and lower centre circle, and the angle of this half rectangle or half rhombus is positioned on the junction plane of centre circle and following centre circle; Outer middle raceway on this upper and lower centre circle and half rectangle on the outer ring or the interior raceway of half rhombus are formed roller path A symmetrically; Interior middle raceway on this upper and lower centre circle and half rectangle on the inner ring or the outer raceway of half rhombus are formed roller path B symmetrically, and roller path A and roller path B form double roller path; Corresponding respectively roller I and roller II and spacing block I and the spacing block II of installing in this roller path A and roller path B; In addition; On the upper ring surface of outer ring, offer the straight blind hole of vertical underlying; And on the interior raceway of outer ring, offer the radial hole that straight therewith blind hole communicates, to form the oil leab I, spinning oil nozzle on this straight blind hole; Offer the straight blind hole of vertical underlying at the upper ring surface of inner ring, and on the outer raceway of inner ring, offer the radial hole that straight therewith blind hole communicates, to form the oil leab II, spinning oil nozzle on this straight blind hole.In addition; The periphery of the tip portion of last centre circle and on interior week corresponding be positioned at inside and outside circle above the position offer the oil sealing annular groove respectively and correspondence is installed Stamping Steel Ribbon I and last Stamping Steel Ribbon II, be positioned at down the lower portion of the following anchor ring of centre circle in the underpart correspondence of the outer ring surface of the inner ring surface of outer ring and inner ring and offer oil sealing annular groove and corresponding installation lower seal bar I and lower seal bar II respectively; The double decussation roller formula of this level pivoting support has two row's rolling elements in same plane of rotation: roller I and roller II; Improved bearing capacity to a certain extent; This structure is strengthened bearing to have aspect thrust load and the tilting moment very significantly; Thereby reach under the situation of relatively-stationary axial dimension, can bear the purpose of bigger load, and can realize the function of bi-directional rotary.

The double decussation roller formula of the level that the utility model proposed pivoting support; Rational in infrastructure, safe and reliable, effectively raise the bearing capacity of roller type pivoting support; Not only satisfy the requirement that machinery maximizes, and can further expand the use field of roller type pivoting support.

Combine accompanying drawing and embodiment that the double decussation roller formula of the level pivoting support that the utility model proposes is described further at present.

Description of drawings

Fig. 1 is the main schematic representation of looking of partly cuing open of the double decussation roller formula of the level pivoting support that proposes of the utility model.

Among Fig. 1: 1, outer ring 2, oil nozzle 3, roller I 4, outer in raceway 5, go up centre circle 6,

Following centre circle 7, roller II 8, interior in raceway 9, straight blind hole 10, inner ring 11, go up Stamping Steel Ribbon I 12, go up Stamping Steel Ribbon II 13, lower seal bar I 14, lower seal bar II.

Embodiment

As can be seen from Figure 1: the double decussation roller formula of a kind of level pivoting support; Comprise outer ring 1, inner ring 10, roller, spacing block and oil nozzle, Stamping Steel Ribbon; It is characterized in that: between outer ring 1 and inner ring 10, centre circle is set; And this centre circle is divided into centre circle 5 and following centre circle 6 up and down symmetrically, and the middle part of the plane of a loop of centre circle 5 and following centre circle 6 is offered coaxial axial hole up and down respectively circumference uniform distribution and installed bolt and link into an integrated entity on this, is center line with the outer periphery of centre circle on this 5 and following centre circle 6 junction planes; The lateral part of upper and lower centre circle 5,6 and inside portion offer respectively cross section be in half rectangle or half rhombus outer raceway 4 and interior in raceway 8; And the angle of this half rectangle or half rhombus is positioned on the junction plane of centre circle 5 and following centre circle 6, and outer middle raceway 4 on this upper and lower centre circle 5,6 and half rectangle on the outer ring 1 or the interior raceway of half rhombus are formed roller path A symmetrically, and interior middle raceway 8 on this upper and lower centre circle 5,6 and half rectangle on the inner ring 10 or the outer raceway of half rhombus are formed roller path B symmetrically; Form the double roller path in plane; Corresponding respectively roller I 3 and roller II 7 and spacing block I and the spacing block II of installing in addition, offers the straight blind hole of vertical underlying on the upper ring surface of outer ring 1 in this roller path A and roller path B; And on the interior raceway of outer ring 1, offer therewith the radial hole that straight blind hole communicates; To form the oil leab I, spinning oil nozzle 2 on this straight blind hole is offered the straight blind hole 9 of vertical underlying at the upper ring surface of inner ring 10; And on the outer raceway of inner ring 10, offer therewith the radial hole that straight blind hole 9 communicates; With formation oil leab II, spinning oil nozzle on this straight blind hole 9, in addition; In the periphery of the tip portion of last centre circle 5 with on interior week outside corresponding being positioned at, inner ring 1,10 above the position offer the oil sealing annular groove respectively and correspondence is installed Stamping Steel Ribbon I 11 and last Stamping Steel Ribbon II12; The lower portion of the following anchor ring of centre circle 6 was offered oil sealing annular groove and corresponding lower seal bar 13 and the lower seal bar II14 of installing respectively under the underpart correspondence of the outer ring surface of 1 inner ring surface and inner ring 10 was positioned in the outer ring, and the double decussation roller formula of this level pivoting support has two to arrange rolling elements in same plane of rotation: roller I 3, II 7, improved bearing capacity to a certain extent; This structure is strengthened bearing to have aspect thrust load and the tilting moment very significantly; Thereby reach under the situation of relatively-stationary axial dimension, can bear the purpose of bigger load, and can realize the function of bi-directional rotary.

Claims (1)

1. the double decussation roller formula of level pivoting support; Comprise outer ring (1), inner ring (10), roller, spacing block and oil nozzle, Stamping Steel Ribbon; It is characterized in that: between outer ring (1) and inner ring (10), centre circle is set; And this centre circle is divided into centre circle (5) and following centre circle (6) up and down symmetrically; The middle part of the plane of a loop of centre circle on this (5) and following centre circle (6) is offered coaxial axial hole up and down respectively circumference uniform distribution and is installed bolt and link into an integrated entity, and is center line with the outer periphery of centre circle on this (5) and following centre circle (6) junction plane, offers cross section respectively in the lateral part of upper and lower centre circle (5,6) and inside portion and is raceway (4) and interior middle raceway (8) in half rectangle or half rhombus outer; And the angle of this half rectangle or half rhombus is positioned on the junction plane of centre circle (5) and following centre circle (6); Outer middle raceway (4) on this upper and lower centre circle (5,6) and half rectangle on the outer ring (1) or the interior raceway of half rhombus are formed roller path A symmetrically, and interior middle raceway (8) on this upper and lower centre circle (5,6) and half rectangle on the inner ring (10) or the outer raceway of half rhombus are formed roller path B symmetrically, form the double roller path in plane; Corresponding respectively roller I (3) and roller II (7) and spacing block I and the spacing block II of installing in this roller path A and roller path B; In addition, on the upper ring surface of outer ring (1), offer the straight blind hole of vertical underlying, and on the interior raceway of outer ring (1), offer the radial hole that straight therewith blind hole communicates; To form the oil leab I; Spinning oil nozzle (2) on this straight blind hole is offered the straight blind hole (9) of vertical underlying at the upper ring surface of inner ring (10), and on the outer raceway of inner ring (10), offers the radial hole that straight therewith blind hole (9) communicates; To form the oil leab II, go up the spinning oil nozzle in this straight blind hole (9); In addition; In the periphery of the tip portion of last centre circle (5) with go up correspondence interior week and be positioned at that the oil sealing annular groove is offered at position, top outer, inner ring (1,10) respectively and correspondence is installed Stamping Steel Ribbon I (11), gone up Stamping Steel Ribbon II (12), the underpart correspondence of the outer ring surface of the inner ring surface of (1) and inner ring (10) is positioned at down the lower portion of the following anchor ring of centre circle (6) and offers oil sealing annular groove and correspondence installation lower seal bar I (13) and lower seal bar II (14) respectively in the outer ring.
CN 201120328228 2011-09-03 2011-09-03 Horizontal double-row crossed pin roller type slewing bearing CN202220796U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120328228 CN202220796U (en) 2011-09-03 2011-09-03 Horizontal double-row crossed pin roller type slewing bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120328228 CN202220796U (en) 2011-09-03 2011-09-03 Horizontal double-row crossed pin roller type slewing bearing

Publications (1)

Publication Number Publication Date
CN202220796U true CN202220796U (en) 2012-05-16

Family

ID=46042823

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120328228 CN202220796U (en) 2011-09-03 2011-09-03 Horizontal double-row crossed pin roller type slewing bearing

Country Status (1)

Country Link
CN (1) CN202220796U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2955403A1 (en) 2014-06-11 2015-12-16 NTN-SNR Roulements Rolling bearing with two rows of concentric rolling elements

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2955403A1 (en) 2014-06-11 2015-12-16 NTN-SNR Roulements Rolling bearing with two rows of concentric rolling elements
FR3022310A1 (en) * 2014-06-11 2015-12-18 Ntn Snr Roulements Bearing with two concentric rows of rolling bodies and method of manufacturing a bearing.

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20161220

Address after: 243000 Anhui City, Ma'anshan Province Economic and Technological Development Zone, West Hill Road, No. 399, No. 3 building, No.

Patentee after: Ma'anshan Fangyuan Pml Precision Mechanism Ltd

Address before: 243000 Anhui city of Ma'anshan province Jinjiazhuang District Cihu Chemical Industry Road No. 1

Patentee before: Maanshan Fangyuan Slewing Ring Co., Ltd.