CN106808403A - A kind of annular oil seal extracts the application method of structure - Google Patents
A kind of annular oil seal extracts the application method of structure Download PDFInfo
- Publication number
- CN106808403A CN106808403A CN201510851725.6A CN201510851725A CN106808403A CN 106808403 A CN106808403 A CN 106808403A CN 201510851725 A CN201510851725 A CN 201510851725A CN 106808403 A CN106808403 A CN 106808403A
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- China
- Prior art keywords
- connecting cylinder
- pull rod
- oil sealing
- screw thread
- inwall
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/0028—Tools for removing or installing seals
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses the application method that a kind of annular oil seal extracts structure, comprise the following steps：It is artificial that moving back for temporarily sealing on the wall of oil sealing side is unloaded reamer and opened；The U-lag of support base is placed on the end face of bearing, according to the distance of unloading groove and U-lag bottom land is moved back, pull rod is moved in hollow connecting cylinder so that the clamping disk positioned at pull rod end unloads groove and directly contacted with oil sealing inwall through moving back；Coordinated by the screw thread between external screw thread and connecting cylinder inwall and pull rod is fixed in connecting cylinder；By manually starting to rotate the screw on connecting cylinder using spanner or other pneumatic equipments so that screw thread is moved up connecting cylinder after coordinating therewith in the through hole, until oil sealing is pulled out completely.The present invention is capable of achieving the dismounting connection between each part, for the different bearing of all kinds of models, pull rod remain to it is accurate unload groove and contacted with the inwall of oil sealing through moving back, improve applicability of the invention.
Description
Technical field
The present invention relates to LL type oil sealings, the application method that a kind of annular oil seal extracts structure is specifically referred to.
Background technology
LL types oil sealing is used for the sealing of 353130B compact bearingses, can reach the short axle of 353130B compact bearingses
Purpose that is not flexible, increasing service life, while the use of LL type oil sealings reduces the overall friction torque of bearing, not only keeps away
Exempt from micro- abrasive particle that shakes and invaded bearing, also caused that bearing has good sealing property, improve grease use within the bearing
Life-span.
But during the long-play of locomotive, to ensure the stable operation of locomotive, it is necessary in time regularly to LL
Type oil sealing carries out detection replacing, typically the oil sealing of temporary transient sealing is moved back in the Renewal process of LL type oil sealings is unloaded groove and is opened
Open, oil sealing is then pulled out into bearing using instruments such as pliers, because press-fiting for LL type oil sealings is realized by hydraulic pressure press mounting die, because
This oil sealing is close on bearing, needs to expend the larger amount of labour during artificial operation, increased the live load of workman, and imitate
Rate is low；Another settling mode is to extract equipment by large-scale exact automatic, but this kind of mode is relatively costly, ordinary enterprise
Industry is difficult to receive.
The content of the invention
It is an object of the invention to provide the application method that a kind of annular oil seal extracts structure, facilitate the quick of LL type oil sealings
Extract, and then reach the purpose for reducing workload, improving extraction efficiency.
The purpose of the present invention is achieved through the following technical solutions：
A kind of annular oil seal extracts the application method of structure, comprises the following steps：
A is artificial to be unloaded moving back for temporarily sealing on the wall of oil sealing side reamer and opens；
Be placed in the U-lag of support base on the end face of bearing by B, according to the distance of unloading groove and U-lag bottom land is moved back, by pull rod
Moved in hollow connecting cylinder so that the clamping disk positioned at pull rod end unloads groove and directly contacted with oil sealing inwall through moving back；
Be fixed on pull rod in connecting cylinder by the screw thread cooperation between external screw thread and connecting cylinder inwall by C；
D using spanner or other pneumatic equipments by manually starting to rotate the screw on connecting cylinder so that connecting cylinder
Screw thread is moved up after coordinating therewith in the through hole, until oil sealing is pulled out completely；
E is extracted in a flash in oil sealing, and pull rod loses the resistance of oil sealing so that pull rod continues in extraction side because of its inertia
It is used for the trend that continues to move to upwards, can be now subject to larger applied stress between clamping disk and connecting cylinder, and the bullet installed
Spring A, spring B can buffer the applied stress；
Above-mentioned steps include that bottom offers the support base of U-lag, are provided with the support base upper end interconnected
Through hole and gives up the throne hole, pull rod are placed in U-lag through through hole, and hollow and annular in shape company is arranged with the middle part of pull rod
Connect cylinder, connecting cylinder is contacted with through-hole wall, be additionally provided with external screw thread on the outer wall of the pull rod, and the external screw thread be connected
The inwall epimere screw thread of cylinder coordinates, and the end of the pull rod rotates and is provided with clamping disk, edge on the excircle of the clamping disk
Its center of circle is symmetrically arranged with two arc-shaped recess, and the clamping disk external diameter of the external diameter more than pull rod；Also include screw, institute
State screw to coordinate with connecting cylinder screw thread, the external diameter of the aperture more than connecting cylinder of the gives up the throne hole, after oil sealing is extracted completely, connection
Cylinder is configured as with the position of gives up the throne hole, and connecting cylinder is slided along the inwall of gives up the throne hole until connecting cylinder is fully removed U-lag；In place
In being arranged with spring A in the pull rod on connecting cylinder top, and the two ends upper end respectively with connecting cylinder of spring A, clamping disk it is upper
Portion connects, and is arranged with spring B in the pull rod positioned at connecting cylinder bottom, and the two ends lower end respectively with connecting cylinder of spring B,
The bottom connection of clamping disk.
Overall structure of the present invention is compact, and can realize that the dismounting between each part is connected, convenient manually to use, and is directed to
The different bearing of all kinds of models, the position of pull rod is adjustable, even if the spacing between the oil sealing side wall and U-lag bottom land of each bearing
Difference, pull rod remain to it is accurate unload groove and contacted with the inwall of oil sealing through moving back, substantially increase applicability of the invention；With through hole
The gives up the throne hole of connection meets, the external diameter of the aperture more than connecting cylinder of gives up the throne hole, and after oil sealing is extracted completely, connecting cylinder is along gives up the throne hole
Inwall slide, until connecting cylinder is fully removed U-lag, separated with connecting cylinder and pull rod with completing support base, just
Just store；And clamping disk is rotated with pull rod and is connected, i.e., clamping disk is not rotated with connecting cylinder and pull rod, and then is subtracted
Few friction between clamping disk outer surface and oil sealing inwall, reduces power consumption when rotating screw, while in the excircle of clamping disk
On two arc-shaped recess are symmetrically arranged with its center of circle, ensure clamping disk oil sealing inwall good contact is supported while, have
Effect prevents oil sealing from being come off in withdrawal process, improves the operating efficiency that oil sealing pulls out cover.
Further, it is fixed with the bottom of the clamping disk and is compeled into cone.Before oil sealing extraction, typically manually using sharp
Moving back for temporarily sealing is unloaded groove and broken by device, is then unloaded groove and is carried out the extraction operation of oil sealing through moving back again, and the present invention is in pull rod
End is provided with compels into cone, while spacing between pull rod and oil sealing side wall is adjusted, compels directly be moved back into cone and unloads groove and break,
To eliminate manually must first break and move back the step of unloading groove and install puller again and pulled out to carry out oil sealing, shorten the work that oil sealing is pulled out
Make the time, operating efficiency to be improve indirectly.
Further, it is provided with clamping platform at the two ends notch of the U-lag.During the upper shifting of pull rod, support
The base displacement certain because stress occurs, easily causes that the contact connection between clamping disk and oil sealing inwall comes off, and then
Cause oil sealing to extract operation to be repeated, the present invention offers clamping platform at the two ends notch of U-lag, clamping platform during installation
One side is directly contacted with bearing outer rim, the another side of clamping platform respectively with bearing inner wall, wall contacts so that support base
Body is held on bearing, it is ensured that stability when pull rod is moved, and then improves extraction efficiency.
The present invention compared with prior art, has the following advantages and advantages：
1st, overall structure of the present invention is compact, and can realize that the dismounting between each part is connected, convenient manually to use, and for each
The different bearing of style number, the position of pull rod is adjustable, even if the spacing between the oil sealing side wall and U-lag bottom land of each bearing is not
Together, pull rod remain to it is accurate unload groove and contacted with the inwall of oil sealing through moving back, substantially increase applicability of the invention；
2nd, the present invention is provided with the end of pull rod and compels into cone, while spacing between pull rod and oil sealing side wall is adjusted,
Compel directly be moved back into cone and unload groove and break, to eliminate manually must first break to move back and unload groove puller is installed again to carry out what oil sealing was pulled out
Step, shortens the working time that oil sealing is pulled out, and operating efficiency is improve indirectly；
3rd, the present invention offer clamping platform at the two ends notch of U-lag, during installation the one side of clamping platform directly with bearing outside
Edge is contacted, the another side of clamping platform respectively with bearing inner wall, wall contacts so that support base body is held on bearing,
Stability when ensureing that pull rod is moved, and then improve extraction efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of pull rod；
Fig. 3 is the structural representation of support base；
Mark and corresponding parts title in accompanying drawing：
1- support bases, 2- screws, 3- connecting cylinders, 4- pull rods, 5- clampings disk, 6- compel recessed into cone, 7- clampings platform, 8- arcs
Sunken, 9- gives up the throne hole, 10- through holes, 11- spring A, 12- spring Bs.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
It is limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the present embodiment is comprised the following steps：
A is artificial to be unloaded moving back for temporarily sealing on the wall of oil sealing side reamer and opens；
Be placed in the U-lag of support base on the end face of bearing by B, according to the distance of unloading groove and U-lag bottom land is moved back, by pull rod
Moved in hollow connecting cylinder so that the clamping disk positioned at pull rod end unloads groove and directly contacted with oil sealing inwall through moving back；
Be fixed on pull rod in connecting cylinder by the screw thread cooperation between external screw thread and connecting cylinder inwall by C；
D using spanner or other pneumatic equipments by manually starting to rotate the screw on connecting cylinder so that connecting cylinder
Screw thread is moved up after coordinating therewith in the through hole, until oil sealing is pulled out completely；
E is extracted in a flash in oil sealing, and pull rod loses the resistance of oil sealing so that pull rod continues in extraction side because of its inertia
It is used for the trend that continues to move to upwards, can be now subject to larger applied stress between clamping disk and connecting cylinder, and the bullet installed
Spring A, spring B can buffer the applied stress；
Above-mentioned steps include that bottom offers the support base 1 of U-lag, are provided with the upper end of the support base 1 interconnected
Through hole 10 and gives up the throne hole 9, pull rod 4 is placed in U-lag through through hole 10, and the middle part of pull rod 4 be arranged with it is hollow and
Connecting cylinder 3 annular in shape, connecting cylinder 3 is contacted with the inwall of through hole 10, and external screw thread is additionally provided with the outer wall of the pull rod 4, and
The external screw thread coordinates with the inwall epimere screw thread of connecting cylinder 3, and the end of the pull rod 4 rotates and is provided with clamping disk 5, described
External diameter of the external diameter of clamping disk 5 more than pull rod 4；Also include screw 2, the screw 2 coordinates with the screw thread of connecting cylinder 3, described to move back
The external diameter of the aperture more than connecting cylinder 3 in position hole 9, after oil sealing is extracted completely, connecting cylinder 3 is configured as with the position of gives up the throne hole 9,
Connecting cylinder 3 is slided along the inwall of gives up the throne hole 9 until connecting cylinder 3 is fully removed U-lag；In the pull rod 4 positioned at the top of connecting cylinder 3
On be arranged with spring A11, and the two ends upper end respectively with connecting cylinder 3 of spring A11, the top of clamping disk 5 are connected, positioned at even
Be arranged with spring B 12 in the pull rod 4 for connecing the bottom of cylinder 3, and spring B 12 two ends lower end, clamping disk 5 respectively with connecting cylinder 3
Bottom connection.
During work, manually moving back for temporarily sealing on the wall of oil sealing side is unloaded reamer and opened, then put the U-lag of support base 1
In on the end face of bearing, according to the distance of unloading groove and U-lag bottom land is moved back, pull rod 4 is moved in hollow connecting cylinder 3, made
The clamping disk 5 of the end of pull rod 4 must be located at and unloaded groove and directly contacted with oil sealing inwall through moving back, then by external screw thread and connecting cylinder
Screw thread between 3 inwalls coordinates pull rod 4 is fixed in connecting cylinder 3, then by artificial using spanner or other are pneumatic
Equipment starts to rotate the screw 2 on connecting cylinder 3 so that screw thread is moved up connecting cylinder 3 after coordinating therewith in the through hole,
Until oil sealing is pulled out completely；Overall structure of the present invention is compact, and can realize that the dismounting between each part is connected, convenient manually to make
With, and for the different bearing of all kinds of models, the position of pull rod 4 is adjustable, even if the oil sealing side wall of each bearing and U-lag groove
Spacing between bottom is different, pull rod 4 remain to it is accurate unload groove and contacted with the inwall of oil sealing through moving back, substantially increase of the invention
Applicability；The gives up the throne hole 9 being connected with through hole 10 meets, the external diameter of the aperture more than connecting cylinder 3 of gives up the throne hole 9, when oil sealing is pulled out completely
After going out, connecting cylinder 3 is slided along the inwall of gives up the throne hole 9, until connecting cylinder 3 is fully removed U-lag, to complete support base 1 and connect
The separation of cylinder 3 and pull rod 4 is connect, is conveniently stored；And clamping disk 5 is rotated with pull rod 4 and is connected, i.e., clamping disk 5 is not with even
Connect cylinder 3 and pull rod 4 is rotated together, and then reduce the friction between the outer surface of clamping disk 5 and oil sealing inwall, reduce and rotate silk
Power consumption when female 2, while being symmetrically arranged with two arc-shaped recess 8 with its center of circle on the excircle of clamping disk 5, is ensureing clamping
While disk 5 is supported to oil sealing inwall good contact, effectively prevent oil sealing from being come off in withdrawal process, improve the work that oil sealing pulls out cover
Make efficiency.Extracted in a flash in oil sealing, pull rod 4 loses the resistance of oil sealing so that pull rod 4 continues extracting because of its inertia
It is used for the trend for continuing to move on direction, larger applied stress can be now subject between clamping disk 5 and connecting cylinder 3, and installs
Spring A11, spring B 12 can buffer the applied stress, it is to avoid clamping disk 5 is damaged with connecting cylinder 3.
Wherein, it is typically artificial that moving back for temporarily sealing is unloaded groove and broken using sharp instrument before oil sealing extraction, then pass through again
Move back and unload groove and carry out the extraction operation of oil sealing, the present invention is provided with the end of pull rod 4 and compels into cone, in regulation pull rod 4 and oil
Between envelope side wall while spacing, compel directly be moved back into cone and unload groove and break, to eliminate manually must first break to move back to unload groove and install again and pull out
The step of going out instrument and pulled out to carry out oil sealing, the working time that oil sealing is pulled out is shortened, operating efficiency is improve indirectly.
Also, during the upper shifting of pull rod 4, the displacement certain because stress occurs of support base 1 is easily caused
Contact connection between clamping disk 5 and oil sealing inwall comes off, and then causes oil sealing extraction operation to be repeated, and the present invention is in U-shaped
Clamping platform 7 is offered at the two ends notch of groove, the one side of clamping platform 7 is directly contacted with bearing outer rim during installation, clamping platform 7
Another side respectively with bearing inner wall, wall contacts so that the body of support base 1 is held on bearing, it is ensured that pull rod 4 is moved
When stability, and then improve extract efficiency.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include
Within protection scope of the present invention.
Claims (3)
1. a kind of annular oil seal extracts the application method of structure, it is characterised in that comprise the following steps：
A is artificial to be unloaded moving back for temporarily sealing on the wall of oil sealing side reamer and opens；
Be placed in the U-lag of support base on the end face of bearing by B, according to the distance of unloading groove and U-lag bottom land is moved back, by pull rod
Moved in hollow connecting cylinder so that the clamping disk positioned at pull rod end unloads groove and directly contacted with oil sealing inwall through moving back；
Be fixed on pull rod in connecting cylinder by the screw thread cooperation between external screw thread and connecting cylinder inwall by C；
D using spanner or other pneumatic equipments by manually starting to rotate the screw on connecting cylinder so that connecting cylinder
Screw thread is moved up after coordinating therewith in the through hole, until oil sealing is pulled out completely；
E is extracted in a flash in oil sealing, and pull rod loses the resistance of oil sealing so that pull rod continues in extraction side because of its inertia
It is used for the trend that continues to move to upwards, can be now subject to larger applied stress between clamping disk and connecting cylinder, and the bullet installed
Spring A, spring B can buffer the applied stress；
Above-mentioned steps include that bottom offers the support base of U-lag, are provided with the support base upper end interconnected
Through hole and gives up the throne hole, pull rod are placed in U-lag through through hole, and hollow and annular in shape company is arranged with the middle part of pull rod
Connect cylinder, connecting cylinder is contacted with through-hole wall, be additionally provided with external screw thread on the outer wall of the pull rod, and the external screw thread be connected
The inwall epimere screw thread of cylinder coordinates, and the end of the pull rod rotates and is provided with clamping disk, edge on the excircle of the clamping disk
Its center of circle is symmetrically arranged with two arc-shaped recess, and the clamping disk external diameter of the external diameter more than pull rod；Also include screw, institute
State screw to coordinate with connecting cylinder screw thread, the external diameter of the aperture more than connecting cylinder of the gives up the throne hole, after oil sealing is extracted completely, connection
Cylinder is configured as with the position of gives up the throne hole, and connecting cylinder is slided along the inwall of gives up the throne hole until connecting cylinder is fully removed U-lag；In place
In being arranged with spring A in the pull rod on connecting cylinder top, and the two ends upper end respectively with connecting cylinder of spring A, clamping disk it is upper
Portion connects, and is arranged with spring B in the pull rod positioned at connecting cylinder bottom, and the two ends lower end respectively with connecting cylinder of spring B,
The bottom connection of clamping disk.
2. a kind of annular oil seal according to claim 1 extracts the application method of structure, it is characterised in that：In the clamping
The bottom of disk is fixed with compels into cone.
3. a kind of annular oil seal according to claim 1 and 2 extracts the application method of structure, it is characterised in that：In the U
Clamping platform is provided with the two ends notch of shape groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851725.6A CN106808403A (en) | 2015-11-28 | 2015-11-28 | A kind of annular oil seal extracts the application method of structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510851725.6A CN106808403A (en) | 2015-11-28 | 2015-11-28 | A kind of annular oil seal extracts the application method of structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106808403A true CN106808403A (en) | 2017-06-09 |
Family
ID=59156426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510851725.6A Pending CN106808403A (en) | 2015-11-28 | 2015-11-28 | A kind of annular oil seal extracts the application method of structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106808403A (en) |
-
2015
- 2015-11-28 CN CN201510851725.6A patent/CN106808403A/en active Pending
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170609 |