CN204900523U - Entry driving machine work is biserial cylindrical roller bearing for arm - Google Patents
Entry driving machine work is biserial cylindrical roller bearing for arm Download PDFInfo
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- CN204900523U CN204900523U CN201520623295.8U CN201520623295U CN204900523U CN 204900523 U CN204900523 U CN 204900523U CN 201520623295 U CN201520623295 U CN 201520623295U CN 204900523 U CN204900523 U CN 204900523U
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- rib
- roller bearing
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Abstract
The utility model relates to an entry driving machine work is biserial cylindrical roller bearing for arm, which comprises an inner ring and an outer ring, it is listed as the roller along axial arrangement's two to install two through the holder between inner circle and the outer lane, the inner circle is including no flange inner circle body, no flange inner circle body axial one end is equipped with the interior retaining ring of activity, the retaining ring is listed as the spacing cooperation of roller axial end with one of them in the activity, the outer lane is including no flange outer lane body, and locate the outer retaining ring of activity that retaining ring one end in the activity was kept away from to no flange outer lane body axial, the outer retaining ring of activity is listed as the spacing cooperation of roller axial end with another, two are listed as and are equipped with the spacer ring between the roller, be equipped with the dust ring between the inner circumference of the outer retaining ring of activity and the outer periphery of no flange inner circle body, dust ring external diameter end is installed outside the activity on the retaining ring, the internal diameter end and the cooperation of no flange inner circle body contact seal of dust ring. The utility model discloses biserial cylindrical roller bearing satisfies the radial load requirement of entry driving machine work bearing for the arm, has the installation and dismantles the convenience, dustproof function.
Description
Technical field
The utility model relates to technical field of bearings, is specifically development machine working arm Biserial cylindrical roller bearing.
Background technique
At present, development machine working arm mainly uses selfaligning roller bearing, be characterized in that carrying is large, there is certain aligning effect, but from the actual service condition of current mine development end machine working arm, this bearing position does not bear very large radial load and does not need to play aligning effect, and this selfaligning bearing does not have seal arrangement, be subject to external dust particle enter Bearing inner stuck after, client be difficult to dismantles from axle, sometimes even can damage axle.And existing common double line column roller bearing exists dismounting inconvenience equally due to rib design, be not suitable for development machine working arm uses.
Summary of the invention
The present utility model object: for overcoming the deficiency that prior art exists, the utility model provides one to have dust reduction capability, the convenient development machine working arm Biserial cylindrical roller bearing installed and dismantle under the prerequisite meeting radial load.
For achieving the above object, the utility model provides following technological scheme: a kind of development machine working arm Biserial cylindrical roller bearing, comprise inner ring and outer ring, the two row rollers that two row arrange vertically are provided with between inner ring and outer ring, two row rollers are arranged between inner ring and outer ring through retainer, it is characterized in that: described inner ring comprises without rib inner ring body, movable inner shield ring is provided with to one end without rib inner ring body shaft, movable inner shield ring coordinates with wherein a row roller axial end is spacing, described outer ring comprises without rib outer ring body and movable outer back-up ring, movable outer back-up ring is located at without rib outer ring body shaft to the one end away from movable inner shield ring, row roller axial end is spacing coordinates with another for movable outer back-up ring, spacer ring is provided with between two row rollers, described activity is outer is provided with dust ring between the inner peripheral surface of back-up ring and the outer peripheral surface without rib inner ring body, dust ring external diameter end is arranged on movable outer back-up ring, the inner-diameter end of dust ring be sealed and matched without rib inner ring body contacts.
By adopting technique scheme, inner ring and outer ring all adopt to be designed without rib, and carry out axial limiting at the axial two ends of bearing through movable inner shield ring and the outer back-up ring of activity, and coordinate the spacer ring between two row rollers, realize supporting the axial limiting of two row rollers, through test, it meets loading demands on development machine working arm, and easy accessibility, and dust ring meets the sealing and dustproof after to bearing assemble, dust ring is arranged on movable outer back-up ring, and installation and removal are convenient.
The utility model is set to further: described dust ring comprises the rubber matrix of annular, the outer-diameter end face of rubber matrix is provided with dust excluder lips, the inner peripheral surface of the outer back-up ring of described activity is provided with dustproof groove, described dust excluder lips is interference fitted in dustproof groove, the inner-diameter end of described rubber matrix is provided with sealing lip, sealing lip comprises the straight part radially extended, the root of straight part connects rubber matrix, straight part inner-diameter end is radially extended with conflict sealed department, conflict sealed department extends towards outer incline, and elasticity contacts at and is sealed and matched without rib inner ring body outer peripheral surface forms contact.
By adopting technique scheme, dust excluder lips realizes installing and being sealed and matched with outer ring, and sealing lip has the radial straight part extended and the conflict sealed department extended towards outer incline, has good sealed elastic, formed to contact reliably with inner ring and be sealed and matched, being sealed and matched of dust ring is reliable.
The utility model is set to further: described sealing lip is positioned at rubber matrix axially inner side, and is provided with circular groove at the root of straight part and rubber matrix joint.
By adopting technique scheme, dust ring easy to process, when dust ring axially press-fits, circular groove makes the easier bending of sealing lip, the press-fiting and improve the sealability after assembling of convenient dust-proofing circle.
The utility model is set to further: described retainer includes retainer main body and retainer end cap, described retainer main body includes axial end plate, axial end plate is provided with the pocket hole beam of circumferentially uniform intervals arrangement, pocket hole beam extends vertically, pocket hole is formed between adjacent two pocket hole beams, described roller is arranged in pocket hole, described pocket hole beam is provided with relative to the other end with axial end plate connection one end and rivets termination, described retainer end cap is provided with and multiple riveted holes of riveting termination grafting and coordinating, described retainer end cap positioning and plug-in mounting is also riveted in the riveted joint termination of pocket hole beam.
By adopting technique scheme, retainer adopts retainer main body and the riveted joint of retainer end cap two-part to be formed, and avoids assembly process middle (center) bearing to fall apart, has advantage easy to assembly.
The utility model is set to further: the axial two end part of described roller have the circular-shaped, concave cavity be positioned on medial axis, and circular-shaped, concave cavity edge has annular end face.
By adopting technique scheme, reducing the axial end of roller, making to reduce with the area of contact of retainer, improve flexibility and the reliability of roller running.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is the utility model specific embodiment development machine working arm Biserial cylindrical roller bearing structural representation;
Fig. 2 is part A partial enlarged view in Fig. 1;
Fig. 3 is that the utility model specific embodiment retainer main body does not rivet pre-structure schematic diagram;
Fig. 4 is the utility model specific embodiment retainer end cover structure schematic diagram;
Fig. 5 is the utility model specific embodiment roller structure schematic diagram.
Embodiment
As Fig. 1 ~ 5, a kind of development machine working arm Biserial cylindrical roller bearing disclosed in the utility model, comprise inner ring 1 and outer ring 2, the two row rollers 3 that two row arrange vertically are provided with between inner ring 1 and outer ring 2, two row rollers 3 are arranged between inner ring 1 and outer ring 2 through retainer 4, described inner ring 1 comprises without rib inner ring body 11, movable inner shield ring 12 is provided with without the axial one end of rib inner ring body 11, movable inner shield ring 12 coordinates with wherein row roller 3 axial end is spacing, described outer ring 2 comprises without rib outer ring body 21 and movable outer back-up ring 22, movable outer back-up ring 22 is located at without rib outer ring body 21 axially away from one end of movable inner shield ring 12, row roller 3 axial end is spacing coordinates with another for movable outer back-up ring 22, spacer ring 5 is provided with between two row rollers 3, described activity is outer is provided with dust ring 6 between the inner peripheral surface of back-up ring 22 and the outer peripheral surface without rib inner ring body 11, dust ring 6 external diameter end is arranged on movable outer back-up ring 22, the inner-diameter end of dust ring 5 contacts with without rib inner ring body 11 and is sealed and matched.Inner ring and outer ring all adopt to be designed without rib, and carry out axial limiting at the axial two ends of bearing through movable inner shield ring and the outer back-up ring of activity, and coordinate the spacer ring between two row rollers, realize supporting the axial limiting of two row rollers, through test, it meets loading demands on development machine working arm, and easy accessibility, dust ring meets the sealing and dustproof after to bearing assemble, and dust ring is arranged on movable outer back-up ring, and installation and removal are convenient.Wherein, the thickness of movable outer back-up ring 22 is greater than the thickness of movable inner shield ring 12, and movable so outer back-up ring can adapt to the installation of dust ring.Described spacer ring 5 is sheathed on without on rib inner ring body 11, more meets loading demands on development machine working arm.
In this specific embodiment, described dust ring 6 comprises the rubber matrix 61 of annular, the outer-diameter end face of rubber matrix 61 is provided with dust excluder lips 62, the inner peripheral surface of the outer back-up ring 22 of described activity is provided with dustproof groove 221, described dust excluder lips 62 is interference fitted in dustproof groove 221, the inner-diameter end of described rubber matrix 61 is provided with sealing lip 63, sealing lip 63 comprises the straight part 631 radially extended, the root of straight part 631 connects rubber matrix 61, straight part 631 inner-diameter end is radially extended with conflict sealed department 632, conflict sealed department 632 extends towards outer incline, and elasticity contacts at and is sealed and matched without rib inner ring body 11 outer peripheral surface forms contact.Dust excluder lips realizes installing and being sealed and matched with outer ring, and sealing lip has the radial straight part extended and the conflict sealed department extended towards outer incline, has good sealed elastic, is formed to contact reliably to be sealed and matched with inner ring, and being sealed and matched of dust ring is reliable.Wherein, sealing lip 63 is positioned at rubber matrix 61 axially inner side, and is provided with circular groove 64 at the root of straight part 632 and rubber matrix 61 joint, and circular groove 63 is positioned on the axial inner side surface of dust ring 6; Such dust ring easy to process, when dust ring axially press-fits, circular groove 64 makes the easier bending of sealing lip 63, the press-fiting and improve the sealability after assembling of convenient dust-proofing circle.
In this specific embodiment, described retainer 4 includes retainer main body 41 and retainer end cap 42, described retainer main body 41 includes axial end plate 411, axial end plate 411 is provided with the pocket hole beam 412 of circumferentially uniform intervals arrangement, pocket hole beam 412 extends vertically, pocket hole 413 is formed between adjacent two pocket hole beams 412, described roller 3 is arranged in pocket hole 413, described pocket hole beam 412 rivets termination 414 relative to being provided with the other end that axial end plate 411 is connected one end, riveted joint termination 414 circumferentially both sides size is less than pocket hole beam 412 end face, and spacing end face is formed on beam 412 end face of pocket hole, described retainer end cap 42 is provided with and multiple riveted holes 421 of riveting termination 414 grafting and coordinating, and riveted holes 421 is greatly outer usually, interior little step hole, described retainer end cap 42 positioning and plug-in mounting is also riveted in the riveted joint termination 414 of pocket hole beam 412, the shirt rim that rear formation is riveted in riveted joint termination 414 embeds in the macropore of riveted holes 421, make structure more compact.
In this specific embodiment, the axial two end part of described roller 3 have the circular-shaped, concave cavity 31 be positioned on medial axis, and circular-shaped, concave cavity 31 edge has annular end face 32.Contact with retainer through annular end face.The area of contact of roller and retainer reduces, and improves flexibility and the reliability of roller running.
Claims (5)
1. a development machine working arm Biserial cylindrical roller bearing, comprise inner ring and outer ring, the two row rollers that two row arrange vertically are provided with between inner ring and outer ring, two row rollers are arranged between inner ring and outer ring through retainer, it is characterized in that: described inner ring comprises without rib inner ring body, movable inner shield ring is provided with to one end without rib inner ring body shaft, movable inner shield ring coordinates with wherein a row roller axial end is spacing, described outer ring comprises without rib outer ring body and movable outer back-up ring, movable outer back-up ring is located at without rib outer ring body shaft to the one end away from movable inner shield ring, row roller axial end is spacing coordinates with another for movable outer back-up ring, spacer ring is provided with between two row rollers, described activity is outer is provided with dust ring between the inner peripheral surface of back-up ring and the outer peripheral surface without rib inner ring body, dust ring external diameter end is arranged on movable outer back-up ring, the inner-diameter end of dust ring be sealed and matched without rib inner ring body contacts.
2. development machine working arm Biserial cylindrical roller bearing according to claim 1, it is characterized in that: described dust ring comprises the rubber matrix of annular, the outer-diameter end face of rubber matrix is provided with dust excluder lips, the inner peripheral surface of the outer back-up ring of described activity is provided with dustproof groove, described dust excluder lips is interference fitted in dustproof groove, the inner-diameter end of described rubber matrix is provided with sealing lip, sealing lip comprises the straight part radially extended, the root of straight part connects rubber matrix, straight part inner-diameter end is radially extended with conflict sealed department, conflict sealed department extends towards outer incline, and elasticity contacts at and is sealed and matched without rib inner ring body outer peripheral surface forms contact.
3. development machine working arm Biserial cylindrical roller bearing according to claim 2, is characterized in that: described sealing lip is positioned at rubber matrix axially inner side, and is provided with circular groove at the root of straight part (632) and rubber matrix joint.
4. development machine working arm Biserial cylindrical roller bearing according to claim 1 or 2 or 3, it is characterized in that: described retainer includes retainer main body and retainer end cap, described retainer main body includes axial end plate, axial end plate is provided with the pocket hole beam of circumferentially uniform intervals arrangement, pocket hole beam extends vertically, pocket hole is formed between adjacent two pocket hole beams, described roller is arranged in pocket hole, described pocket hole beam is provided with relative to the other end with axial end plate connection one end and rivets termination, described retainer end cap is provided with and multiple riveted holes of riveting termination grafting and coordinating, described retainer end cap positioning and plug-in mounting is also riveted in the riveted joint termination of pocket hole beam.
5. development machine working arm Biserial cylindrical roller bearing according to claim 4, it is characterized in that: the axial two end part of described roller have the circular-shaped, concave cavity be positioned on medial axis, circular-shaped, concave cavity edge has annular end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623295.8U CN204900523U (en) | 2015-08-18 | 2015-08-18 | Entry driving machine work is biserial cylindrical roller bearing for arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623295.8U CN204900523U (en) | 2015-08-18 | 2015-08-18 | Entry driving machine work is biserial cylindrical roller bearing for arm |
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| Publication Number | Publication Date |
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| CN204900523U true CN204900523U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520623295.8U Active CN204900523U (en) | 2015-08-18 | 2015-08-18 | Entry driving machine work is biserial cylindrical roller bearing for arm |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725607A (en) * | 2017-11-23 | 2018-02-23 | 方晓超 | A kind of combined type Biserial cylindrical roller bearing |
| CN108180276A (en) * | 2018-02-09 | 2018-06-19 | 江苏南方轴承股份有限公司 | High load capacity single-way belt pulley of automobile generator |
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
| CN109356999A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder high precision overloading |
| CN113464560A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Cylindrical roller bearing |
-
2015
- 2015-08-18 CN CN201520623295.8U patent/CN204900523U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725607A (en) * | 2017-11-23 | 2018-02-23 | 方晓超 | A kind of combined type Biserial cylindrical roller bearing |
| CN108180276A (en) * | 2018-02-09 | 2018-06-19 | 江苏南方轴承股份有限公司 | High load capacity single-way belt pulley of automobile generator |
| CN109356998A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder heavy duty |
| CN109356999A (en) * | 2018-12-12 | 2019-02-19 | 中核新科（天津） 精密机械制造有限公司 | The close roller shafting of retarder high precision overloading |
| CN113464560A (en) * | 2021-07-20 | 2021-10-01 | 人本股份有限公司 | Cylindrical roller bearing |
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