CN103982554B - A kind of bearing housing and application thereof - Google Patents
A kind of bearing housing and application thereof Download PDFInfo
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- CN103982554B CN103982554B CN201410255002.5A CN201410255002A CN103982554B CN 103982554 B CN103982554 B CN 103982554B CN 201410255002 A CN201410255002 A CN 201410255002A CN 103982554 B CN103982554 B CN 103982554B
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Abstract
A kind of bearing housing and application thereof, this bearing housing comprises casing, casing comprises casing inner ring and casing outer ring, casing inner ring and the casing outer ring cylindrical shape all in both ends open, casing inner ring is placed in casing outer ring, tank ends is equipped with tapered roller bearing, tapered roller bearing is placed between casing inner ring and casing outer ring, seal arrangement is provided with outside tapered roller bearing, the outside of seal arrangement is provided with adjustment nut, adjustment nut inwall is provided with screw thread, and the outer wall of casing inner ring is also provided with screw thread, and adjustment nut and casing inner ring are threaded connection; Tapered roller bearing comprises bearing outer ring and bearing inner race; The present invention also comprises the application of bearing housing in spindle.Use the present invention, favorable sealing property, lubricant oil is difficult to leak, and lubricant oil can use gear oil, and bearing housing can Reusability, and not fragile, easy accessibility, turn to easily, the several years is without the need to maintenance.
Description
Technical field
The present invention relates to a kind of bearing housing and application thereof, especially relate to a kind of bearing housing and substitute the application of sliding bearing in spindle.
Background technique
Existing spindle all uses sliding bearing and copper sheathing, coordinates with king pin, and then realizes turning to, and the knuckle of this structure will cause hard steering and lubricating grease is easy to leak, and need frequent charging-up lubricant oil, lubricant oil can only select lubricating grease; Because copper sheathing and king pin do not seal, mud, sand, addle are easy to infiltrate in the gap of copper sheathing and king pin, the oil groove of copper sheathing is easy to blocking with the grease nipple being loaded on knuckle upper-lower seal face, and copper sheathing and king pin are easy to wearing and tearing, and working life is short.In addition, the gap adjustment between knuckle upper-lower seal face is pretty troublesome.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the above-mentioned defect that prior art exists, provides a kind of favorable sealing property, and lubricant oil is difficult to the bearing housing of leakage and the application in spindle.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of bearing housing, comprise casing, casing comprises casing inner ring and casing outer ring, casing inner ring and the casing outer ring cylindrical shape all in both ends open, casing inner ring is placed in casing outer ring, tank ends is equipped with tapered roller bearing, tapered roller bearing is placed between casing inner ring and casing outer ring, seal arrangement is provided with outside tapered roller bearing, the outside of seal arrangement is provided with adjustment nut, and for regulating bearing play, adjustment nut inwall is provided with screw thread, the outer wall of casing inner ring is also provided with screw thread, and adjustment nut and casing inner ring are threaded connection;
Tapered roller bearing comprises bearing outer ring and bearing inner race;
The inwall two ends of casing outer ring are equipped with bearing outer ring mounting hole and bearing outer ring exits breach, the inner wall even distribution of bearing outer ring mounting hole has keyway, the outer wall of bearing outer ring is also evenly equipped with keyway, keyway on bearing outer ring mounting hole inwall is corresponding with the keyway on bearing outer ring outer wall, keyway, built with key, is beneficial to prevent bearing outer ring from walking cylindrical;
The outer wall of casing outer ring is evenly equipped with keyway, and the outer wall of casing outer ring is provided with tank filler sleeve, and tank filler sleeve penetrates casing outer ring, and tank filler sleeve place is provided with sunk screw, and tank filler sleeve, drain oil share; Cavity between casing outer ring and casing inner ring stores gear oil;
The upper sealing surface of knuckle and lower sealing surface all have king pin hole, the inner wall even distribution in the king pin hole of knuckle has keyway, keyway on the king pin hole inwall of knuckle is corresponding with the keyway on the outer ring outer wall of casing, keyway, built with key, is beneficial to prevent bearing housing from walking cylindrical.
The inner wall even distribution of casing inner ring has keyway, and the outer wall at king pin two ends is evenly equipped with keyway, and the keyway on casing inner ring inwall is corresponding with the keyway on king pin outer wall, and keyway, built with key, is beneficial to prevent bearing housing from walking inner circle.
The side of adjustment nut is evenly equipped with four screws, so that bearing housing splits out.
Seal arrangement comprises sealing inner ring, sealed outer ring, sealing plate and envelope wall, envelope wall, sealed outer ring and sealing plate are structure as a whole, envelope wall is located at outside sealing plate, sealed outer ring is located at inside sealing plate, sealing inner ring is placed in inside sealed outer ring, the outer wall of sealing inner ring is provided with at least two first piston annular grooves, and first piston annular groove is circular first piston ring built with cross section, and the first piston ring be loaded in first piston annular groove matches with the inwall of sealed outer ring; The inwall of casing outer ring is provided with at least two second-ring grooves, second-ring groove is positioned at outside tapered roller bearing, second-ring groove is the second circular piston ring built with cross section, and the inner circle of the second piston ring in second-ring groove matches with the outer wall of envelope wall.
The outward edge of envelope wall is provided with stiffening rib.
The bottom land of each first piston annular groove is equipped with one group of pin hole, and pin hole is circular hole or square hole etc., preferred circular hole, and two pin hole form one group, and each group pin hole staggers 180 degree mutually; One end relative with first piston ring opening is provided with two pins, and two pins are fixed on the inwall of first piston ring, and pin is cylinder or square column etc., preferred cylinder; Two pins are symmetrically set in the center line both sides of first piston ring opening.
The inner wall even distribution of sealing inner ring has keyway, the inwall of bearing inner race is also evenly equipped with keyway, the outer wall of casing inner ring is also evenly equipped with keyway, keyway on bearing inner race inwall is corresponding with the keyway on ring outer wall in casing, keyway on sealing inner ring inwall is also corresponding with the keyway on ring outer wall in casing, keyway is built with key, and the outer wall public key of the sealing inwall of inner ring, the inwall of bearing inner race and casing inner ring, is beneficial to prevent bearing from walking inner circle and inner circle walked by seal arrangement.
The port of sealed outer ring is bell mouth shape, and horn mouth overall dimensions is greater than the free size of first piston ring, and the entirety being beneficial to sealed outer ring, sealing plate and envelope wall can dismounting smoothly.
The bearing housing assembling of the present invention: the inwall the two ends first bearing outer ring of tapered roller bearing being loaded on the casing outer ring of bearing housing, then the casing inner ring of bearing housing is placed in the bearing inner race of tapered roller bearing, the casing inner ring two ends of bearing housing install tapered roller bearing, seal arrangement and adjustment nut, and regulate bearing play by adjustment nut.
The bearing housing of the present invention and the assembling of knuckle formed therefrom: first king pin is loaded in the upper sealing surface of knuckle and the king pin hole of lower sealing surface, king pin is loaded in I-shape beam king pin hole, and installs locking nut in locking nut indentation, there.On knuckle sealing surface and lower sealing surface king pin hole in all need to assemble the bearing housing of the present invention, internal diameter and the bearing housing external diameter in the king pin hole of knuckle are suitable, external diameter and the bearing housing internal diameter of the king pin of knuckle are suitable, the thrust bearing of knuckle can be cancelled thus, be beneficial to turn to energy-conservation and bearing housing that is the present invention to match.For the end cap being located at end, knuckle upper-lower seal face, end cap inwall is provided with ring projection, is placed with adjustment pad between the adjustment nut of ring projection and bearing housing, and increase and decrease regulates the gap of pad just between adjustable knuckle upper-lower seal face.Splitting out of the bearing housing of the present invention is also very convenient, utilizes the fixing threaded hole on the end cap of equally distributed four screws and end, knuckle upper-lower seal face on adjustment nut, just can split out bearing housing very easily.
The bearing housing of the present invention and the knuckle formed therefrom, when knuckle rotates, first piston ring is fixed in the first piston annular groove of ring outer wall in sealing, first piston ring rotates together with knuckle, and the elasticity of first piston ring remains, thus good seal, lubricant oil is difficult to leak.
During the casing outer ring rotating of the bearing housing of the present invention, first piston ring is fixed in the first piston annular groove of ring outer wall in sealing, and first piston ring does not turn; When the casing inner ring of bearing housing rotates, first piston ring then rotates together with casing inner ring, and the casing outer ring of bearing housing is not rotated.In these two kinds of situations, Seal in Bearing Box is good.
The bearing housing of the present invention and the knuckle formed therefrom, the outer wall of the casing outer ring of bearing housing can not walk cylindrical on the inwall of king pin hole, knuckle upper-lower seal face, and the inwall of the casing inner ring of bearing housing can not walk inner circle at king pin outer wall.The king pin hole in king pin and knuckle upper-lower seal face all can not be damaged.The bearing outer ring of tapered roller bearing can not walk cylindrical, and the bearing inner race of tapered roller bearing can not walk inner circle, and sealing inner ring can not walk inner circle.The bearing housing of the present invention and the knuckle formed therefrom, not fragile, long service life, the several years is without the need to maintenance.The Cross section Design of piston ring is circular by the present invention, makes the polishing scratch between the sealing inner ring of the seal arrangement of piston ring and bearing housing, sealed outer ring round and smooth, is convenient to the dismounting of the seal arrangement of bearing housing.
Use the present invention, solve knuckle hard steering and need the defect of frequent grease up, solve the problem that existing copper sheathing oil groove and grease nipple are easy to block, and copper sheathing and king pin are easy to the problems such as wearing and tearing.Use the present invention, favorable sealing property, lubricant oil is difficult to leak, and lubricant oil can use gear oil, and bearing housing can Reusability, and not fragile, easy accessibility, turn to easily, the several years is without the need to maintenance.
Accompanying drawing explanation
Fig. 1 is bearing housing overall structure schematic diagram of the present invention;
Fig. 2 is the perspective view of the casing outer ring of bearing housing of the present invention;
Fig. 3 is the sectional view of the casing outer ring of bearing housing of the present invention;
Fig. 4 is the plan view of the adjustment nut of bearing housing of the present invention;
Fig. 5 is the sectional view of the seal arrangement of bearing housing of the present invention;
Fig. 6 is the perspective view of the sealing inner ring of bearing housing of the present invention;
Fig. 7 is the side view of the sealing inner ring of bearing housing of the present invention;
Fig. 8 is the plan view of first piston ring of the present invention;
Fig. 9 is the plan view of the present invention second piston ring;
Figure 10 is the perspective view of the casing inner ring of bearing housing of the present invention;
Figure 11 is the perspective view of knuckle of the present invention;
Figure 12 is the end cap of knuckle of the present invention and the side view of ring projection;
Figure 13 is the side view of king pin of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
With reference to Fig. 1, the bearing housing of the present embodiment comprises casing, casing comprises casing inner ring 1 and casing outer ring 2, casing inner ring 1 and casing outer ring 2 cylindrical shape all in both ends open (see Fig. 2), casing inner ring 1 is placed in casing outer ring 2, tank ends is equipped with tapered roller bearing, tapered roller bearing 3 is placed between casing inner ring 1 and casing outer ring 2, seal arrangement 4 is provided with outside tapered roller bearing 3, the outside of seal arrangement 4 is provided with adjustment nut 5, for regulating bearing play, adjustment nut 5 inwall is provided with screw thread, the outer wall of casing inner ring 1 is also provided with screw thread, adjustment nut 5 and casing inner ring 1 are threaded connection,
Tapered roller bearing 3 comprises bearing outer ring 3-1 and bearing inner race 3-2;
The inwall two ends of casing outer ring 2 are equipped with bearing outer ring mounting hole 6 and bearing outer ring exits breach (not shown), the inner wall even distribution of bearing outer ring mounting hole 6 has keyway (not shown), the outer wall of bearing outer ring 3-1 is also evenly equipped with keyway (not shown), keyway on bearing outer ring mounting hole 6 inwall is corresponding with the keyway on bearing outer ring outer wall, keyway, built with key (not shown), is beneficial to prevent bearing outer ring 3-1 from walking cylindrical;
The outer wall of casing outer ring 2 is evenly equipped with keyway (not shown), and the outer wall of casing outer ring 2 is provided with tank filler sleeve 7, and tank filler sleeve 7 penetrates casing outer ring 2, and tank filler sleeve 7 place is provided with sunk screw (not shown), and tank filler sleeve, drain oil share; Cavity 8 between casing outer ring 2 and casing inner ring 1 stores gear oil;
Knuckle 9(is see Figure 11) upper sealing surface 9-1 and lower sealing surface 9-2 on all have king pin hole 10, the inner wall even distribution in the king pin hole 10 of knuckle has keyway (not shown), keyway on king pin hole 10 inwall of knuckle is corresponding with the keyway (not shown) on the outer wall of casing outer ring 2, keyway, built with key (not shown), is beneficial to prevent bearing housing from walking cylindrical.
The inner wall even distribution of casing inner ring 1 has keyway (not shown), the outer wall at king pin 22 two ends is evenly equipped with keyway 22-1, keyway on casing inner ring 1 inwall is corresponding with the keyway on king pin outer wall, keyway, built with key (not shown), is beneficial to prevent bearing housing from walking inner circle.
The side of adjustment nut 5 is evenly equipped with four screw 11(see Fig. 4) so that bearing housing splits out.
With reference to Fig. 5, seal arrangement 4 comprises sealing inner ring 4-1, sealed outer ring 4-2, sealing plate 4-3 and envelope wall 4-4, envelope wall 4-4, sealed outer ring 4-2 and sealing plate 4-3 are structure as a whole, envelope wall 4-4 is located at outside sealing plate 4-3, sealed outer ring 4-2 is located at inside sealing plate 4-3, sealing inner ring 4-1 is placed in inside sealed outer ring 4-2, the outer wall of sealing inner ring 4-1 is provided with at least two first piston annular groove 4-5, first piston annular groove 4-5 is circular first piston ring 12 built with cross section, and first piston ring 12 matches with the inwall of sealed outer ring 4-2; The inwall of casing outer ring 2 is provided with at least two second-ring groove 2-1, second-ring groove 2-1 is positioned at outside tapered roller bearing 3, second-ring groove 2-1 is that the second piston ring 13(of circle is see Fig. 9 built with cross section), the inner circle of the second piston ring 13 in second-ring groove 2-1 matches with the outer wall of envelope wall 4-4.
The outward edge of envelope wall 4-4 is provided with stiffening rib 14.
With reference to Fig. 6, Fig. 7 and Fig. 8, the bottom land of each first piston annular groove 4-5 is equipped with one group of pin hole 15, and pin hole is circular hole, and two pin hole 15 form one group, and each group pin hole staggers 180 degree mutually; One end relative with first piston ring 12 opening is provided with two pins, 16, two pins 16 and is fixed on the inwall of first piston ring 12, and pin 16 is cylinder; Two pins 16 are symmetrically set in center line 17 both sides of first piston ring 12 opening.
The inner wall even distribution of sealing inner ring 4-1 has keyway (not shown), the inwall of bearing inner race 3-2 is also evenly equipped with keyway (not shown), the outer wall of casing inner ring 1 is also evenly equipped with keyway (not shown), keyway on bearing inner race 3-2 inwall is corresponding with the keyway on casing inner ring 1 outer wall, keyway on sealing inner ring 4-1 inwall is also corresponding with the keyway on casing inner ring 1 outer wall, keyway is built with key (not shown), the inwall of sealing inner ring 4-1, the inwall of bearing inner race 3-2 and the outer wall public key of casing inner ring 1, be beneficial to prevent bearing from walking inner circle and inner circle walked by seal arrangement.
The port of sealed outer ring 4-2 is bell mouth shape 18, and horn mouth overall dimensions is greater than the free size of first piston ring 12, and the entirety being beneficial to sealed outer ring 4-2, sealing plate 4-3 and envelope wall 4-4 can dismounting smoothly.
The bearing housing assembling of the present invention: the inwall two ends first the bearing outer ring 3-1 of tapered roller bearing 3 being loaded on the casing outer ring 2 of bearing housing, then the casing inner ring 1 of bearing housing is placed in the bearing inner race 3-2 of tapered roller bearing 3, casing inner ring 1 two ends of bearing housing install tapered roller bearing 3, seal arrangement 4 and adjustment nut 5, and regulate bearing play by adjustment nut 5.
The bearing housing of the present invention and the assembling of knuckle formed therefrom: first by king pin 22(see Figure 13) be loaded in the king pin hole 10 of upper sealing surface 9-1 and lower sealing surface 9-2 of knuckle 9, king pin 22 is loaded in the king pin hole of I-shape beam simultaneously, and installs locking nut at locking nut breach 22-2 place.On knuckle sealing surface 9-1 and lower sealing surface 9-2 king pin hole 10 in all need to assemble the bearing housing of the present invention, internal diameter and the bearing housing external diameter in the king pin hole 10 of knuckle are suitable, external diameter and the bearing housing internal diameter of king pin 22 are suitable, the thrust bearing of knuckle can be cancelled thus, be beneficial to turn to energy-conservation and bearing housing that is the present invention to match.For being located at the end cap 19(of end, knuckle upper-lower seal face see Figure 12), end cap 19 inwall is provided with ring projection 20, be placed with between the adjustment nut 5 of ring projection 20 and bearing housing and regulate pad (not shown), increase and decrease regulates the gap of pad just between adjustable knuckle upper-lower seal face.Splitting out of the bearing housing of the present invention is also very convenient, utilizes the fixing threaded hole 21 on the end cap 19 of equally distributed four screws 11 and end, knuckle upper-lower seal face on adjustment nut 5, just can split out bearing housing very easily.
The bearing housing of the present invention and the knuckle formed therefrom, when knuckle 9 rotates, first piston ring 12 is fixed in the first piston annular groove 4-5 of sealing inner ring 4-1 outer wall, first piston ring 12 rotates together with knuckle 9, and the elasticity of first piston ring 12 remains, thus good seal, lubricant oil is difficult to leak.
When the casing outer ring 2 of the bearing housing of the present invention is rotated, first piston ring 12 is fixed in the first piston annular groove 4-5 of sealing inner ring 4-1 outer wall, and first piston ring 12 does not turn; When the casing inner ring 1 of bearing housing rotates, 12, first piston ring rotates together with casing inner ring 1, and the casing outer ring 2 of bearing housing is not rotated.In these two kinds of situations, Seal in Bearing Box is good.
The bearing housing of the present invention and the knuckle formed therefrom, the outer wall of the casing outer ring 2 of bearing housing can not walk cylindrical on the inwall of king pin hole 10, knuckle 9 upper-lower seal face, and the inwall of the casing inner ring 1 of bearing housing can not walk inner circle at king pin 22 outer wall.The king pin hole 10 in king pin 22 and knuckle upper-lower seal face all can not be damaged.The bearing outer ring 3-1 of tapered roller bearing 3 can not walk cylindrical, and the bearing inner race 3-2 of tapered roller bearing 3 can not walk inner circle, and sealing inner ring 4-1 can not walk inner circle.The bearing housing of the present invention and the knuckle formed therefrom, not fragile, long service life, the several years is without the need to maintenance.The Cross section Design of first piston ring 12 is circular by the present invention, makes the polishing scratch between sealing inner ring 4-1, sealed outer ring 4-2 of the seal arrangement of first piston ring 12 and bearing housing round and smooth, is convenient to the dismounting of the seal arrangement 4 of bearing housing.
Use the present invention, solve knuckle hard steering and need the defect of frequent grease up, solve the problem that existing copper sheathing oil groove and grease nipple are easy to block, and copper sheathing and king pin are easy to the problems such as wearing and tearing.Use the present invention, favorable sealing property, lubricant oil is difficult to leak, and lubricant oil can use gear oil, and bearing housing can Reusability, and not fragile, easy accessibility, turn to easily, the several years is without the need to maintenance.
Bearing housing of the present invention is applicable to the knuckle of various model.
Claims (7)
1. a bearing housing, it is characterized in that, comprise casing, casing comprises casing inner ring and casing outer ring, casing inner ring and the casing outer ring cylindrical shape all in both ends open, casing inner ring is placed in casing outer ring, tank ends is equipped with tapered roller bearing, tapered roller bearing is placed between casing inner ring and casing outer ring, be provided with seal arrangement outside tapered roller bearing, the outside of seal arrangement is provided with adjustment nut, and adjustment nut inwall is provided with screw thread, the outer wall of casing inner ring is also provided with screw thread, and adjustment nut and casing inner ring are threaded connection; Tapered roller bearing comprises bearing outer ring and bearing inner race;
The outer wall of casing outer ring is evenly equipped with keyway, and the outer wall of casing outer ring is provided with tank filler sleeve, and tank filler sleeve penetrates casing outer ring, and tank filler sleeve place is provided with sunk screw; Cavity between casing outer ring and casing inner ring stores gear oil; The inner wall even distribution of casing inner ring has keyway, and keyway is built with key;
Seal arrangement comprises sealing inner ring, sealed outer ring, sealing plate and envelope wall, envelope wall, sealed outer ring and sealing plate are structure as a whole, envelope wall is located at outside sealing plate, sealed outer ring is located at inside sealing plate, sealing inner ring is placed in inside sealed outer ring, the outer wall of sealing inner ring is provided with at least two first piston annular grooves, and first piston annular groove is circular first piston ring built with cross section, and the first piston ring be loaded in first piston annular groove matches with the inwall of sealed outer ring; The inwall of casing outer ring is provided with at least two second-ring grooves, second-ring groove is positioned at outside tapered roller bearing, second-ring groove is the second circular piston ring built with cross section, and the inner circle of the second piston ring in second-ring groove matches with the outer wall of envelope wall.
2. bearing housing according to claim 1, it is characterized in that, the inwall two ends of casing outer ring are equipped with bearing outer ring mounting hole and bearing outer ring exits breach, the inner wall even distribution of bearing outer ring mounting hole has keyway, the outer wall of bearing outer ring is also evenly equipped with keyway, keyway on bearing outer ring mounting hole inwall is corresponding with the keyway on bearing outer ring outer wall, and keyway is built with key.
3. bearing housing according to claim 1 and 2, is characterized in that, the side of adjustment nut is evenly equipped with four screws.
4. bearing housing according to claim 1, is characterized in that, the bottom land of each first piston annular groove is equipped with one group of pin hole, and pin hole is circular hole or square hole, and two pin hole form one group, and each group pin hole staggers 180 degree mutually; One end relative with first piston ring opening is provided with two pins, and two pins are fixed on the inwall of first piston ring, and pin is cylinder or square column; Two pins are symmetrically set in the center line both sides of first piston ring opening.
5. bearing housing according to claim 4, it is characterized in that, the inner wall even distribution of sealing inner ring has keyway, the inwall of bearing inner race is also evenly equipped with keyway, the outer wall of casing inner ring is also evenly equipped with keyway, and the keyway on bearing inner race inwall is corresponding with the keyway on ring outer wall in casing, and the keyway on sealing inner ring inwall is also corresponding with the keyway on ring outer wall in casing, keyway, built with key, seals the outer wall public key of the inwall of inner ring, the inwall of bearing inner race and casing inner ring.
6. bearing housing according to claim 5, is characterized in that, the port of sealed outer ring is bell mouth shape, and horn mouth overall dimensions is greater than the free size of first piston ring.
7. the application of bearing housing according to claim 6 in spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255002.5A CN103982554B (en) | 2014-06-11 | 2014-06-11 | A kind of bearing housing and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255002.5A CN103982554B (en) | 2014-06-11 | 2014-06-11 | A kind of bearing housing and application thereof |
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| Publication Number | Publication Date |
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| CN103982554A CN103982554A (en) | 2014-08-13 |
| CN103982554B true CN103982554B (en) | 2016-01-27 |
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| CN201410255002.5A Active CN103982554B (en) | 2014-06-11 | 2014-06-11 | A kind of bearing housing and application thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105858113A (en) * | 2016-05-10 | 2016-08-17 | 云南省小龙潭矿务局机修总厂 | Integral abrasion resistant anti-ageing comb-shaped carrier roller for belt conveyer |
| CN109812505B (en) * | 2019-02-19 | 2020-11-06 | 吴银辉 | Micro motor bearing with gear oil lubrication |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4856794A (en) * | 1987-07-23 | 1989-08-15 | Federal-Mogul Corporation | Oil seal with antirotation ribs |
| US6499752B1 (en) * | 2000-08-07 | 2002-12-31 | Dana Corporation | Steer axle assembly |
| NL1018697C2 (en) * | 2001-08-03 | 2003-02-04 | Skf Ab | Suspension module for a vehicle and assembly comprising such a module. |
| CN2795560Y (en) * | 2005-04-27 | 2006-07-12 | 吴银辉 | Seal device with piston ring |
| US7740253B2 (en) * | 2007-01-08 | 2010-06-22 | Dana Heavy Vehicle Systems Group Llc | Vehicle steer axle assembly |
| CN101776115B (en) * | 2010-03-25 | 2012-08-29 | 吴银辉 | Pin capable of preventing lubricating oil leakage and application thereof |
| CN103527642B (en) * | 2013-06-03 | 2016-06-08 | 赵勇昌 | Disc harrow axle base |
| CN203593044U (en) * | 2013-12-05 | 2014-05-14 | 武汉圣翌电动工业车辆有限公司 | Front axle steering system of electric tractor |
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