CN104061238A - Turntable bearing and assembling method of radar - Google Patents
Turntable bearing and assembling method of radar Download PDFInfo
- Publication number
- CN104061238A CN104061238A CN201410270818.5A CN201410270818A CN104061238A CN 104061238 A CN104061238 A CN 104061238A CN 201410270818 A CN201410270818 A CN 201410270818A CN 104061238 A CN104061238 A CN 104061238A
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- bearing
- outer ring
- tapered roller
- raceway
- spacing block
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Abstract
The invention discloses a turntable bearing and an assembling method of radar and relates to the technical field of bearings. The turntable bearing comprises a bearing outer ring (1), a bearing inner ring (7), multiple tapered rollers (4), multiple isolation blocks (5) and a seal (8), wherein the bearing outer ring is arranged outside the bearing inner ring; an inner roller path is formed in the inner surface of the bearing outer bearing; an outer roller path corresponding to the inner roller path is formed in the outer surface of the bearing inner ring; the tapered rollers are arranged between the outer and inner roller paths and are isolated by the isolation blocks; one lateral surface (10) and the other lateral surface (12) of each isolation block are conical surfaces which are concave inwards; the conical surfaces of the two lateral surfaces are crosswise arranged in a 90 DEG angle; bosses (16) formed in two sides of the bearing inner ring are arranged in grooves (15) formed in two sides of the outer ring to form the seal (8). The bearing capacity and rigidity of the turntable bearing are effectively improved.
Description
[technical field]
The present invention relates to field of bearings, specifically the present invention relates to a kind of turntable bearing for radar and installation method.
[background technique]
Known, the turntable bearing using on radar is a kind of specific bearing, it not only requires that turntable bearing can bear radially simultaneously, thrust load and tilting moment, especially requires turntable bearing to have that rotating accuracy is high, revolution friction torque is little, bearing rigidity good, is convenient to the feature safeguarded.
At present, the conventional spacing block of tapered roller turntable bearing that intersects in industry is cylindrical thin, is positioned between two tapered rollers, plays the effect of isolation tapered roller and adjustment circumferential clearance; But this spacing block for point contacts, easily produces wearing and tearing and crooked with tapered roller in bearing turning course, and when bearing is subject to heavy duty or tilting moment, tapered roller itself also may produce crooked situation, so it can not play the effect of guiding spacing block; And conventional be sealed into rubber seal, it is fixed between inner ring and outer ring, sealing lip is contacted with outer ring and inner ring, thereby play sealing and dust-proof effect, but this sealing not only can produce additional friction torque, and easily aging under high temperature, corrosive environment, therefore severe to environment, require the operating mode of low friction moment just can not meet the demands.
[summary of the invention]
In order to overcome the deficiency in background technique, the invention discloses a kind of turntable bearing for radar and installation method.
For achieving the above object, the present invention adopts following technological scheme:
A kind of turntable bearing for radar, comprise bearing outer ring, bearing inner race, tapered roller, spacing block and sealing, outside at bearing inner race is provided with bearing outer ring, on the inner face of bearing outer ring, be provided with interior raceway, on the outside of bearing inner race, be provided with the outer raceway with the corresponding setting of interior raceway, between interior raceway and outer raceway, be provided with a plurality of tapered rollers, a plurality of spacing blocks are kept apart a plurality of tapered rollers one by one, the material of described spacing block is nylon 1010, one side and the another side of described spacing block are the conical surface caving inward, on a described side and another side, the conical surface of sunken inside is for intersecting 90 ° of settings, the both sides of a described side are respectively equipped with orthodrome A and small arc-shaped A, arc length between described orthodrome A and small arc-shaped A is transition setting from big to small, the setting in outward direction of described orthodrome A, the orthodrome B of spacing block another side and small arc-shaped B and orthodrome A and small arc-shaped A are 90-degree rotation setting, and the direction of orthodrome B is for arranging upward, the described boss that is sealed into bearing inner race both sides is arranged in the groove of bearing outer ring both sides, described boss and groove are contactless labyrinth seal.
The described turntable bearing for radar, described interior raceway is two and intersects and vertical straight line type raceways, and two intersect and vertical straight line is 45 ° of angle settings with axis respectively.
The described turntable bearing for radar, described outer raceway is two crossing straight line type raceways, the angle of two crossing straight lines is 45 °+2 α, the angle of the semi-cone angle that described α is tapered roller.
The described turntable bearing for radar, outer edge surface at bearing outer ring is provided with plug hole between inner edge surface, between a side to the another side of bearing outer ring, be provided with taper pin-hole, the mutual square crossing setting of described plug hole and taper pin-hole, stopper is arranged in plug hole, and taper pin is arranged in taper pin-hole through the mider hole of stopper.
The described turntable bearing for radar, the bottom surface of described stopper is two intersects and vertical line shapes mutually, and after plug hole on bearing outer ring coordinates, the interior raceway on the bottom surface of described stopper and bearing outer ring inner face is complete raceway.
The described turntable bearing for radar, described tapered roller is logarithmic bus tapered roller.
The described turntable bearing for radar, described spacing block one side and the cone angle of another side are identical with the cone angle of tapered roller.
The described turntable bearing for radar, described spacing block is that line contacts with tapered roller.
A kind of installation method of the turntable bearing for radar, bearing outer ring is placed on horizontal plane, again bearing inner race is sleeved in bearing outer ring, making the groove of bearing outer ring both sides and the boss of bearing inner race both sides is Spielpassung, described gap is 0.1mm, then tapered roller and spacing block are alternately put into the plug hole from bearing outer ring successively, while swivel bearing inner ring, until fill whole raceway, described tapered roller when mounted, the installation in outward direction of one that tapered roller diameter is large, the installation direction of spacing block between two adjacent tapered rollers is identical with the installation direction of tapered roller, finally stopper is put into the plug hole of bearing outer ring, by taper pin, penetrate in taper pin-hole and by stopper and fix, complete installation, turntable bearing after installation is negative play, described negative play is-0.02mm.
Owing to having adopted technique scheme, the present invention has following superiority:
Turntable bearing for radar of the present invention and installation method, have following superiority:
1, interior raceway is set to 90 °, and outer raceway is set to 45 °+2 α, makes tapered roller 4 in raceway, do pure motion, has avoided the friction torque of being slided and being produced by tapered roller 4;
2, turntable bearing is set to negative play, and not only the running accuracy of turntable bearing is higher, has also improved bearing capacity and the rigidity of turntable bearing simultaneously;
3, adopt spacing block 5 of the present invention, making tapered roller 4 and spacing block is that line contacts, and makes spacing block play the effect of guiding tapered roller, not only prevents the inclination of tapered roller, and has effectively avoided tapered roller in raceway, to produce sliding friction;
4, adopt labyrinth sealing not only to play the effect of sealing and dustproof, effectively reduced the additional friction torque of rubber contact seal, also comparatively applicable for the job requirement of radar.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged diagram of A of the present invention;
Fig. 3 is the structural representation of spacing block of the present invention one side;
Fig. 4 is the structural representation of spacing block of the present invention another side;
In the drawings: 1, bearing outer ring; 2, taper pin; 3, stopper; 4, tapered roller; 5, spacing block; 6, screw hole; 7, bearing inner race; 8, sealing; 9, orthodrome A; 10, a side; 11, small arc-shaped A; 12, another side; 13, orthodrome B; 14, small arc-shaped B; 15, groove; 16, boss.
[embodiment]
By the following examples, can explain in more detail the present invention, the present invention is not limited to the following examples;
The turntable bearing for radar described in 1-4 by reference to the accompanying drawings, comprise bearing outer ring 1, bearing inner race 7, tapered roller 4, spacing block 5 and sealing 8, in the outside of bearing inner race 7, be provided with bearing outer ring 1, on the inner face of bearing outer ring 1, be provided with interior raceway, on the outside of bearing inner race 7, be provided with the outer raceway with the corresponding setting of interior raceway, between interior raceway and outer raceway, be provided with a plurality of tapered rollers 4, a plurality of spacing blocks 5 are kept apart a plurality of tapered rollers 4 one by one, the material of described spacing block 5 is nylon 1010, one 10He another side, side 12 of described spacing block 5 is the conical surface caving inward, on a described 10He another side 12, side, the conical surface of sunken inside is for intersecting 90 ° of settings, the both sides of a described side 10 are respectively equipped with orthodrome 9A and small arc-shaped 11A, arc length between described orthodrome 9A and small arc-shaped 11A is transition setting from big to small, the setting in outward direction of described orthodrome 9A, the orthodrome 13B of spacing block 5 another sides 12 and small arc-shaped 14B and orthodrome 9A and small arc-shaped 11A are 90-degree rotation setting, and the direction of orthodrome 13B is for arranging upward, described sealing 8 is arranged in the groove 15 of bearing outer ring 1 both sides for the boss 16 of bearing inner race 7 both sides, described boss 16 is contactless labyrinth seal with groove 15.
The described turntable bearing for radar, described interior raceway is two and intersects and vertical straight line type raceways, and two intersect and vertical straight line is 45 ° of angle settings with axis respectively.
The described turntable bearing for radar, described outer raceway is two crossing straight line type raceways, and the angle of two crossing straight lines is 45 °+2 α, and described α is the angle of the semi-cone angle of tapered roller 4.
The described turntable bearing for radar, outer edge surface at bearing outer ring 1 is provided with plug hole between inner edge surface, between a side to the another side of bearing outer ring 1, be provided with taper pin-hole, the mutual square crossing setting of described plug hole and taper pin-hole, stopper 3 is arranged in plug hole, and taper pin 2 is arranged in taper pin-hole through the mider hole of stopper 3.
The described turntable bearing for radar, the bottom surface of described stopper 3 is two intersects and vertical line shapes mutually, and after plug hole on bearing outer ring 1 coordinates, the interior raceway on the bottom surface of described stopper 3 and bearing outer ring 1 inner face is complete raceway.
The described turntable bearing for radar, described tapered roller 4 is logarithmic bus tapered roller.
The described turntable bearing for radar, the cone angle of described spacing block 5 one 10He another sides, side 12 is identical with the cone angle of tapered roller 4.
The described turntable bearing for radar, described spacing block 5 and tapered roller 4 contact for line.
A kind of installation method of the turntable bearing for radar, bearing outer ring 1 is placed on horizontal plane, again bearing inner race 7 is sleeved in bearing outer ring 1, making the groove 15 of bearing outer ring 1 both sides and the boss 16 of bearing inner race 7 both sides is Spielpassung, described gap is 0.1mm, then tapered roller 4 and spacing block 5 are alternately put into the plug hole from bearing outer ring 1 successively, while swivel bearing inner ring 7, until fill whole raceway, described tapered roller 4 when mounted, the installation in outward direction of one that tapered roller 4 diameters are large, the installation direction of the spacing block 5 between two adjacent tapered rollers 4 is identical with the installation direction of tapered roller 4, finally stopper 3 is put into the plug hole of bearing outer ring 1, by taper pin 2, penetrate in taper pin-hole and by stopper 3 and fix, complete installation, turntable bearing after installation is negative play, described negative play is-0.02mm.
Implement the turntable bearing for radar of the present invention and installation method, after in use the present invention being installed, be fixedly connected with and can use by screw hole 6 with the counterpart of turntable bearing, stopper 3 of the present invention is Spielpassung with plug hole, described gap is 0.02mm, turntable bearing after installation is negative play, described negative play is-0.02mm, because turntable bearing is negative play, and bearing capacity and rigidity that turntable bearing has been improved; Interior raceway is set to 90 °, and outer raceway is set to 45 °+2 α, makes tapered roller 4 in raceway, do pure motion, has avoided the friction torque of being slided and being produced by tapered roller 4; The sealing 8 of bearing outer ring 1 and bearing inner race 7 is labyrinth sealing, groove 15 and boss 16 phase mutual friction when preventing bearing rotary, groove 15 leaves 1mm gap with boss 16, adopt labyrinth sealing not only to play the effect of sealing and dustproof, effectively reduced the additional friction torque of rubber contact seal, also comparatively applicable for the job requirement of radar.
Part not in the detailed description of the invention is prior art.
The embodiment who selects in this article in order to disclose goal of the invention of the present invention, currently thinks suitablely, still, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.
Claims (9)
1. the turntable bearing for radar, comprise bearing outer ring (1), bearing inner race (7), tapered roller (4), spacing block (5) and sealing (8), in the outside of bearing inner race (7), be provided with bearing outer ring (1), on the inner face of bearing outer ring (1), be provided with interior raceway, on the outside of bearing inner race (7), be provided with the outer raceway with the corresponding setting of interior raceway, between interior raceway and outer raceway, be provided with a plurality of tapered rollers (4), a plurality of spacing blocks (5) are kept apart a plurality of tapered rollers (4) one by one, it is characterized in that: the material of described spacing block (5) is nylon 1010, one side (10) and another side (12) of described spacing block (5) are the conical surface caving inward, the conical surface of the upper sunken inside in a described side (10) and another side (12) is for intersecting 90 ° of settings, the both sides of a described side (10) are respectively equipped with orthodrome (9) A and small arc-shaped (11) A, described orthodrome A(9) arc length and between small arc-shaped (11) A is transition setting from big to small, described orthodrome A(9) setting in outward direction, the orthodrome 13(B of spacing block (5) another side (12)) and small arc-shaped B(14) with orthodrome A(9) and small arc-shaped A(11) be 90-degree rotation setting, and direction orthodrome B(13) is for arranging upward, described sealing (8) is arranged in the groove (15) of bearing outer ring (1) both sides for the boss (16) of bearing inner race (7) both sides, described boss (16) is contactless labyrinth seal with groove (15).
2. the turntable bearing for radar according to claim 1, is characterized in that: described interior raceway is two and intersects and vertical straight line type raceways, and two intersect and vertical straight line is 45 ° of angle settings with axis respectively.
3. the turntable bearing for radar according to claim 1, is characterized in that: described outer raceway is two crossing straight line type raceways, and the angle of two crossing straight lines is 45 °+2 α, and described α is the angle of the semi-cone angle of tapered roller (4).
4. the turntable bearing for radar according to claim 1, it is characterized in that: the outer edge surface at bearing outer ring (1) is provided with plug hole between inner edge surface, between a side to the another side of bearing outer ring (1), be provided with taper pin-hole, the mutual square crossing setting of described plug hole and taper pin-hole, stopper (3) is arranged in plug hole, and taper pin (2) is arranged in taper pin-hole through the mider hole of stopper (3).
5. the turntable bearing for radar according to claim 4, it is characterized in that: the bottom surface of described stopper (3) is two and intersects and mutual vertical line shape, after plug hole on bearing outer ring (1) coordinates, the interior raceway on the bottom surface of described stopper (3) and bearing outer ring (1) inner face is complete raceway.
6. the turntable bearing for radar according to claim 1, is characterized in that: described tapered roller (4) is logarithmic bus tapered roller.
7. the turntable bearing for radar according to claim 1, is characterized in that: the cone angle of described spacing block (5) one sides (10) and another side (12) is identical with the cone angle of tapered roller (4).
8. the turntable bearing for radar according to claim 1, is characterized in that: described spacing block (5) and tapered roller (4) contact for line.
9. the installation method for the turntable bearing of radar, it is characterized in that: bearing outer ring (1) is placed on horizontal plane, again bearing inner race (7) is sleeved in bearing outer ring (1), make the groove (15) of bearing outer ring (1) both sides and the boss (16) of bearing inner race (7) both sides for Spielpassung, described gap is 0.1mm, then tapered roller (4) and spacing block (5) are alternately put into the plug hole from bearing outer ring (1) successively, while swivel bearing inner ring (7), until fill whole raceway, described tapered roller (4) when mounted, the installation in outward direction of one that tapered roller (4) diameter is large, the installation direction of the spacing block (5) between two adjacent tapered rollers (4) is identical with the installation direction of tapered roller (4), finally stopper (3) is put into the plug hole of bearing outer ring (1), by taper pin (2), penetrate in taper pin-hole and by stopper (3) and fix, complete installation, turntable bearing after installation is negative play, described negative play is-0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270818.5A CN104061238A (en) | 2014-06-18 | 2014-06-18 | Turntable bearing and assembling method of radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270818.5A CN104061238A (en) | 2014-06-18 | 2014-06-18 | Turntable bearing and assembling method of radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104061238A true CN104061238A (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270818.5A Pending CN104061238A (en) | 2014-06-18 | 2014-06-18 | Turntable bearing and assembling method of radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104061238A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134789A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Self-lubricating rotary table bearing and axial play match grinding method thereof |
| CN106351959A (en) * | 2016-11-28 | 2017-01-25 | 广西大学 | Groove sealed slewing bearing |
| CN109424635A (en) * | 2017-08-23 | 2019-03-05 | 日本东晟株式会社 | Crossed roller bearing |
| CN109434733A (en) * | 2018-12-25 | 2019-03-08 | 重庆大学 | Bearing assembling tooling |
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| JPS58155423U (en) * | 1982-04-13 | 1983-10-17 | 株式会社不二越 | Spacer for cross roller bearings using tapered rollers |
| JP2000065080A (en) * | 1998-08-19 | 2000-03-03 | Ina Waelzlager Schaeffler Kg | Rolling bearing |
| JP2002242966A (en) * | 2001-02-16 | 2002-08-28 | Tokico Ltd | Dynamoelectric brake device |
| US20050058383A1 (en) * | 2003-08-02 | 2005-03-17 | Ab Skf | Roller bearing |
| CN202391952U (en) * | 2011-11-25 | 2012-08-22 | 洛阳轴研科技股份有限公司 | Angular contact ball bearing having dustproof effect |
| CN103047276A (en) * | 2013-01-04 | 2013-04-17 | 洛阳特重轴承有限公司 | Large-size integral intersected tapered roller bearing |
-
2014
- 2014-06-18 CN CN201410270818.5A patent/CN104061238A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155423U (en) * | 1982-04-13 | 1983-10-17 | 株式会社不二越 | Spacer for cross roller bearings using tapered rollers |
| JP2000065080A (en) * | 1998-08-19 | 2000-03-03 | Ina Waelzlager Schaeffler Kg | Rolling bearing |
| JP2002242966A (en) * | 2001-02-16 | 2002-08-28 | Tokico Ltd | Dynamoelectric brake device |
| US20050058383A1 (en) * | 2003-08-02 | 2005-03-17 | Ab Skf | Roller bearing |
| CN202391952U (en) * | 2011-11-25 | 2012-08-22 | 洛阳轴研科技股份有限公司 | Angular contact ball bearing having dustproof effect |
| CN103047276A (en) * | 2013-01-04 | 2013-04-17 | 洛阳特重轴承有限公司 | Large-size integral intersected tapered roller bearing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134789A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Self-lubricating rotary table bearing and axial play match grinding method thereof |
| CN105134789B (en) * | 2015-08-18 | 2018-03-23 | 洛阳轴研科技股份有限公司 | A kind of self-lubricating turntable bearing and its end-play match grinding method |
| CN106351959A (en) * | 2016-11-28 | 2017-01-25 | 广西大学 | Groove sealed slewing bearing |
| CN109424635A (en) * | 2017-08-23 | 2019-03-05 | 日本东晟株式会社 | Crossed roller bearing |
| CN109434733A (en) * | 2018-12-25 | 2019-03-08 | 重庆大学 | Bearing assembling tooling |
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| PB01 | Publication | ||
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Application publication date: 20140924 |
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| RJ01 | Rejection of invention patent application after publication |