CN203430992U - Special-shape ball pole combined type rotary support - Google Patents

Special-shape ball pole combined type rotary support Download PDF

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Publication number
CN203430992U
CN203430992U CN201320539718.9U CN201320539718U CN203430992U CN 203430992 U CN203430992 U CN 203430992U CN 201320539718 U CN201320539718 U CN 201320539718U CN 203430992 U CN203430992 U CN 203430992U
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CN
China
Prior art keywords
raceway
inner ring
centre circle
ring
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320539718.9U
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Chinese (zh)
Inventor
王冠
刘珍珍
马海峰
王亭亭
翟田磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUZHOU FENGHE SLEWING MANUFACTURING Co Ltd
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XUZHOU FENGHE SLEWING MANUFACTURING Co Ltd
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Application filed by XUZHOU FENGHE SLEWING MANUFACTURING Co Ltd filed Critical XUZHOU FENGHE SLEWING MANUFACTURING Co Ltd
Priority to CN201320539718.9U priority Critical patent/CN203430992U/en
Application granted granted Critical
Publication of CN203430992U publication Critical patent/CN203430992U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a special-shape ball pole combined type rotary support. The special-shape ball pole combined type rotary support comprises an inner ring (1), an upper sealing ring (2), a rolling column (3), a middle ring (4), a lower sealing ring (5), a steel ball (6.1) and an outer ring (7), wherein a sealing groove I (1.1) and a V-shaped rollaway nest I (1.2) are formed in the outer wall of the inner ring; a blocking plug hole is formed in the inner wall of the inner ring; a blocking plug I (1.5) is fixedly mounted in the blocking plug hole; a V-shaped rollaway nest II (4.1) is formed in the inner wall of the middle ring; an outer gear ring I (4.2), a sealing groove II (4.3) and a semispherical rollaway nest I (4.4) are formed in the outer wall of the middle ring; a blocking plug hole is formed in the inner wall of the middle ring; a blocking plug II (4.7) is fixedly mounted in the blocking plug hole; a semispherical rollaway nest II (7.1) is formed in the inner wall of the outer ring and an outer gear ring II (7.2) is arranged on the outer wall; the rolling column is mounted between the inner ring and the middle ring; the steel ball is mounted between the middle ring and the outer ring. The rotary support can be used in a double-gear linked special application field and can be applicable to a limited rotary space.

Description

Special type bowling pin combination type pivoting support
Technical field
The utility model relates to a kind of special type bowling pin combination type pivoting support, specifically a kind of bowling pin combination type pivoting support that is applied to limited-rotary space and uses Double-gear to drive.
Background technique
Pivoting support is a kind of large size bearing that can bear combined load, between two articles, to need to do relative rotation motion, need again to bear the necessary important transmission part of machinery of axial force, radial force, tilting moment simultaneously, engineering machinery is that the initial application of pivoting support is also most widely used place, current similar harbour facilities, metallurgical equipment, creeps into the equipment platforms such as platform and has started to use pivoting support to replace original bearing on a large scale.
When needing axial force that CBR is larger, radial force and tilting moment, some particular application generally select special type pivoting support, as double ball-type slewing bearing, double-row crossed pin roller type pivoting support, bowling pin combination type pivoting support etc.
Bowling pin combination type pivoting support is generally comprised of outer race, inner race, roller and steel ball, inner race and outer race respectively have a horizontal linear shape raceway and a ball-track, roller is positioned at horizontal linear shape raceway, steel ball is positioned at ball-track, roller by horizontal positioned bears axial force and tilting moment, steel ball bearing radial force, axial force and tilting moment, both hold receptor's larger axis load and tilting moment jointly.
Yet, for the pivoting support of some particular application, particularly in limited space, using and need the special occasions of bidentate interlock, existing special type pivoting support just can not have been satisfied the demand.
In order to meet the use of the confined space and the special occasions that Double-gear drives, we have made a kind of special type bowling pin combination type pivoting support.This kind of supporting compared advantage with existing supporting and is: consumptive material is few, compact structure, rotation are flexible, can be applied in rotary space limited and need the occasion of bidentate interlock.
Summary of the invention
For the problems referred to above, the utility model provides a kind of special type bowling pin combination type pivoting support, can use in the particular application of bidentate interlock, and can realize in limited rotary space and using.
For achieving the above object, that the utility model is divided into is interior, in, outer totally three layers, comprise inner ring, upper seal ring, roller, centre circle, lower seal, steel ball and outer ring;
Inner ring is arranged on the innermost layer of whole pivoting support, interior ring outer wall top is provided with seal groove I, middle part is provided with " V " shape raceway I that cross section is isosceles right triangle, inner ring inwall is provided with along the circumferential direction uniform oil duct I, oil duct is communicated with " V " shape raceway I, oil duct junction is provided with lubricating cup I, and inner ring upper surface is provided with along the circumferential direction uniform threaded mounting hole; On inner ring inwall, the position of " V " shape raceway I is provided with plugging hole relatively, stopping up I is fixedly mounted in plugging hole, stopping up I outer surface is circular arc, its radius of arc is identical with pore radius in inner ring, stop up I internal surface and be arranged to " V " shape raceway that cross section is isosceles right triangle, " V " shape raceway center of its size and obstruction I measure-alike with " V " shape raceway I on interior ring outer wall to the distance of plane on inner ring and " V " shape raceway I center of inner ring is identical to the distance of plane on inner ring;
Upper seal ring is arranged in the seal groove I of interior ring outer wall;
Roller intersects between two and is arranged in " V " shape raceway I of inner ring, and its diameter length is slightly larger than height dimension, and measure-alike with the right angle side of " V " shape raceway I, and spacing block I is installed between roller;
Centre circle is arranged on the mesosphere of whole pivoting support, centre circle inwall middle and upper part is provided with " V " shape raceway II that the cross section with interior ring outer wall is isosceles right triangle, middle ring outer wall top is provided with the external toothing I of along the circumferential direction protruding, middle and lower part is provided with seal groove II, bottom is provided with hemisphere raceway I, centre circle inwall is provided with along the circumferential direction uniform oil duct II, oil duct II is communicated with hemisphere raceway I, oil duct junction is provided with lubricating cup II, centre circle lower surface is provided with along the circumferential direction uniform threaded mounting hole, on centre circle inwall, the position of hemisphere raceway I is provided with plugging hole relatively, stopping up II is fixedly mounted in plugging hole, stopping up II outer surface is circular arc, its radius of arc is identical with pore radius in centre circle, stop up II internal surface and be arranged to hemisphere raceway, hemisphere raceway I on its size and middle ring outer wall is measure-alike, and the hemisphere raceway center of stopping up II is identical to the distance of centre circle lower plane with the hemisphere raceway Ⅰ center of centre circle to the distance of centre circle lower plane,
Lower seal is arranged in the seal groove II of middle ring outer wall;
Steel ball is arranged in the hemisphere raceway I of centre circle, and its radius of a ball undersized, in the cross section of hemisphere raceway I circle radius size, is installed spacing block II between steel ball;
Outer ring is arranged on the outermost surface of whole pivoting support, and its inwall is provided with the hemisphere raceway II of same centre circle, and its outer wall is provided with external toothing II, its upper and lower surface is provided with perforation and uniform through hole along the circumferential direction.
Further, stopping up I is fixedly mounted in the plugging hole of inner ring and centre circle by screw respectively with obstruction II.
Compared with prior art, this special type bowling pin combination type pivoting support, due to the centre circle and the outer ring that are provided with external toothing, therefore can be realized Double-gear linkage driving; Owing to being provided with the roller design of intersection, 4 with arc raceway contact with steel ball, when therefore can bear larger axial force and tilting moment, can bear larger radial force; Compact structure, can small size make as required, can realize in limited rotary space and using.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, inner ring, 1.1, seal groove I, 1.2, " V " shape raceway I, 1.3, oil duct I, 1.4, lubricating cup I, 1.5, stop up I, 2, upper seal ring, 3, roller, 3.1, spacing block I, 4, centre circle, 4.1, " V " shape raceway II, 4.2, external toothing I, 4.3, seal groove II, 4.4, hemisphere raceway I, 4.5, oil duct II, 4.6, lubricating cup II, 4.7, stop up II, 5, lower seal, 6, spacing block II, 6.1, steel ball, 7, outer ring, 7.1, hemisphere raceway II, 7.2, external toothing II, 8, screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, that this special type bowling pin combination type pivoting support is divided into is interior, in, outer totally three layers, comprise inner ring 1, upper seal ring 2, roller 3, centre circle 4, lower seal 5, steel ball 6.1 and outer ring 7.
Inner ring 1 is arranged on the innermost layer of whole pivoting support, and inner ring 1 outer wall top is provided with seal groove I 1.1, middle part is provided with " V " shape raceway I 1.2 that cross section is isosceles right triangle; Inner ring 1 inwall is provided with along the circumferential direction uniform oil duct I 1.3, and oil duct is communicated with " V " shape raceway I 1.2, and oil duct junction is provided with lubricating cup I 1.4; Inner ring 1 upper surface is provided with along the circumferential direction uniform threaded mounting hole; On inner ring 1 inwall, the position of " V " shape raceway I 1.2 is provided with plugging hole relatively, stopping up I 1.5 is fixedly mounted in plugging hole, stopping up I 1.5 outer surfaces is circular arc, its radius of arc is identical with the interior pore radius of inner ring 1, stop up I 1.5 internal surfaces and be arranged to " V " shape raceway that cross section is isosceles right triangle, " V " shape raceway center of its size and obstruction I 1.5 measure-alike with " V " shape raceway I 1.2 on inner ring 1 outer wall to the distance of plane on inner ring 1 and " V " shape raceway Ⅰ1.2 center of inner ring 1 is identical to the distance of plane on inner ring 1.
Upper seal ring 2 is arranged in the seal groove I 1.1 of inner ring 1 outer wall, can prevent that dust from entering in " V " shape raceway, can prevent that lubricating grease is excessive simultaneously.
Roller 3 intersects between two and is arranged in " V " shape raceway I 1.2 of inner ring 1, and for avoiding string arc to interfere, its diameter length is slightly larger than height dimension, and measure-alike with the right angle side of " V " shape raceway I 1.2; Spacing block I 3.1 is installed between roller 3, can avoids producing frictionally damage between roller 3.
Centre circle 4 is arranged on the mesosphere of whole pivoting support, and centre circle 4 inwall middle and upper parts are provided with " V " shape raceway II 4.1 that the cross section of same inner ring 1 outer wall is isosceles right triangle; Centre circle 4 outer wall tops are provided with along the circumferential direction that external toothing I 4.2, the middle and lower part of protruding are provided with seal groove II 4.3, bottom is provided with hemisphere raceway I 4.4; Centre circle 4 inwalls are provided with along the circumferential direction uniform oil duct II 4.5, and oil duct II 4.5 is communicated with hemisphere raceway I 4.4, and oil duct junction is provided with lubricating cup II 4.6; Centre circle 4 lower surfaces are provided with along the circumferential direction uniform threaded mounting hole; On centre circle 4 inwalls, the position of hemisphere raceway I 4.4 is provided with plugging hole relatively, stopping up II 4.7 is fixedly mounted in plugging hole, stopping up II 4.7 outer surfaces is circular arc, its radius of arc is identical with the interior pore radius of centre circle 4, stop up II 4.7 internal surfaces and be arranged to hemisphere raceway, its size is identical to the distance of centre circle 4 lower planes with the hemisphere raceway Ⅰ4.4 center of centre circle 4 to the distance of centre circle lower plane with the hemisphere raceway I 4.4 hemisphere raceway center measure-alike and obstruction II 4.7 on centre circle 4 outer walls.
Lower seal 5 is arranged in the seal groove II 4.3 of centre circle 4 outer walls, can prevent that dust from entering in ball-track, can prevent that lubricating grease is excessive simultaneously.
Steel ball 6.1 is arranged in the hemisphere raceway I 4.4 of centre circle 4, its radius of a ball undersized is in the cross section of hemisphere raceway I 4.4 circle radius size, can be in raceway Free-rolling, spacing block II 6 is installed between steel ball 6.1, can avoid producing frictionally damage between steel ball 6.
Outer ring 7 is arranged on the outermost surface of whole pivoting support, and its inwall is provided with the hemisphere raceway II 7.1 of same centre circle 4, and its outer wall is provided with external toothing II 7.2, its upper and lower surface is provided with perforation and uniform through hole along the circumferential direction.
Further, for guarantee to stop up I 1.5 and stop up II 4.7 install respectively after its fixed position can not cause interference to other component, stop up I 1.5 and stop up II 4.7 and by screw 8, be fixedly mounted in the plugging hole of inner ring and centre circle respectively.
This special type bowling pin combination type pivoting support is in assembly process, roller 3 is one by one in the plugging hole of inner ring 1 is arranged on the square raceway that " V " shape raceway I 1.2 of inner ring 1 and " V " shape raceway II 4.1 of centre circle 4 surround, intersect and install between two, and spacing block I 3.1 is installed between roller 3, after all packing into, obstruction I 1.5 is sealed to plugging hole, and be fixedly mounted in plugging hole by screw; In like manner, steel ball 6.1 is one by one in the plugging hole of centre circle 4 is arranged on the ball-track that the hemisphere raceway I 4.4 of centre circle 4 and the hemisphere raceway II 7.1 of outer ring 7 surround, spacing block II 6 is installed between steel ball 6.1, obstruction II 4.7 is sealed to plugging hole, and be fixedly mounted in plugging hole by screw; Inner ring 1, centre circle 4 and outer ring 7 all can relatively rotate.
External toothing I 4.2 on this special type bowling pin combination type pivoting support centre circle 4 can connect an actuation gear, and the external toothing II 7.2 on outer ring 7 can connect another actuation gear, forms Double-gear linkage driving.
This special type bowling pin combination type pivoting support can be realized Double-gear linkage driving, when can bear larger axial force and tilting moment, can bear larger radial force, and compact structure, can realize in limited rotary space and using.

Claims (2)

1. a special type bowling pin combination type pivoting support, comprise inner ring (1), upper seal ring (2), roller (3), steel ball (6.1) and outer ring (7), inner ring (1) outer wall top is provided with seal groove I (1.1), upper seal ring (2) is arranged in the seal groove I (1.1) of inner ring (1) outer wall, roller (3) and steel ball (6.1) are arranged between inner ring (1) and outer ring (7), it is characterized in that, also comprise centre circle (4) and lower seal (5), described inner ring (1) is arranged on the innermost layer of whole pivoting support, inner ring (1) outer wall middle part is provided with " V " shape raceway I (1.2) that cross section is isosceles right triangle, inner ring (1) inwall is provided with along the circumferential direction uniform oil duct I (1.3), oil duct is communicated with " V " shape raceway I (1.2), oil duct junction is provided with lubricating cup I (1.4), inner ring (1) upper surface is provided with along the circumferential direction uniform threaded mounting hole, on inner ring 1 inwall, the position of " V " shape raceway I (1.2) is provided with plugging hole relatively, stopping up I (1.5) is fixedly mounted in plugging hole, stopping up I (1.5) outer surface is circular arc, its radius of arc is identical with the interior pore radius of inner ring (1), stop up I (1.5) internal surface and be arranged to " V " shape raceway that cross section is isosceles right triangle, " V " shape raceway I (1.2) on its size and inner ring (1) outer wall is measure-alike, and " V " shape raceway center of stopping up I (1.5) is identical to the distance of the upper plane of inner ring (1) to the upper distance of plane of inner ring (1) and " V " shape raceway I (1.2) center of inner ring (1),
Described roller (3) intersects between two and is arranged in " V " shape raceway I (1.2) of inner ring (1), its diameter length is slightly larger than height dimension, and measure-alike with the right angle side of " V " shape raceway I (1.2), spacing block I (3.1) is installed between roller (3);
Centre circle (4) is arranged on the mesosphere of whole pivoting support, centre circle (4) inwall middle and upper part is provided with " V " shape raceway II (4.1) that the cross section of same inner ring (1) outer wall is isosceles right triangle, centre circle (4) outer wall top is provided with the external toothing I (4.2) of along the circumferential direction protruding, middle and lower part is provided with seal groove II (4.3), bottom is provided with hemisphere raceway I (4.4), centre circle (4) inwall is provided with along the circumferential direction uniform oil duct II (4.5), oil duct II (4.5) is communicated with hemisphere raceway I (4.4), oil duct junction is provided with lubricating cup II (4.6), centre circle (4) lower surface is provided with along the circumferential direction uniform threaded mounting hole, on centre circle (4) inwall, the position of hemisphere raceway I (4.4) is provided with plugging hole relatively, stopping up II (4.7) is fixedly mounted in plugging hole, stopping up II (4.7) outer surface is circular arc, its radius of arc is identical with the interior pore radius of centre circle (4), stop up II (4.7) internal surface and be arranged to hemisphere raceway, hemisphere raceway I (4.4) on its size and centre circle (4) outer wall is measure-alike, and the hemisphere raceway center of stopping up II (4.7) is identical to the distance of centre circle (4) lower plane to the center of the distance of centre circle lower plane and the hemisphere raceway I (4.4) of centre circle (4),
Lower seal (5) is arranged in the seal groove II (4.3) of centre circle (4) outer wall;
Described steel ball (6.1) is arranged in the hemisphere raceway I (4.4) of centre circle (4), and its radius of a ball length is slightly less than the cross section circle radius size of hemisphere raceway I (4.4), and spacing block II (6) is installed between steel ball (6.1);
Outer ring (7) is arranged on the outermost surface of whole pivoting support, and its inwall is provided with the hemisphere raceway II (7.1) of same centre circle (4), and its outer wall is provided with external toothing II (7.2).
2. special type bowling pin combination type pivoting support according to claim 1, is characterized in that, described obstruction I (1.5) and obstruction II (4.7) are fixedly mounted in the plugging hole of inner ring and centre circle by screw (8) respectively.
CN201320539718.9U 2013-08-30 2013-08-30 Special-shape ball pole combined type rotary support Expired - Fee Related CN203430992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320539718.9U CN203430992U (en) 2013-08-30 2013-08-30 Special-shape ball pole combined type rotary support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320539718.9U CN203430992U (en) 2013-08-30 2013-08-30 Special-shape ball pole combined type rotary support

Publications (1)

Publication Number Publication Date
CN203430992U true CN203430992U (en) 2014-02-12

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ID=50060031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320539718.9U Expired - Fee Related CN203430992U (en) 2013-08-30 2013-08-30 Special-shape ball pole combined type rotary support

Country Status (1)

Country Link
CN (1) CN203430992U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140212

Termination date: 20180830

CF01 Termination of patent right due to non-payment of annual fee