CN207777438U - A kind of thrust collar hydraulic locking apparatus - Google Patents
A kind of thrust collar hydraulic locking apparatus Download PDFInfo
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- CN207777438U CN207777438U CN201820083996.0U CN201820083996U CN207777438U CN 207777438 U CN207777438 U CN 207777438U CN 201820083996 U CN201820083996 U CN 201820083996U CN 207777438 U CN207777438 U CN 207777438U
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Abstract
The utility model discloses a kind of thrust collar hydraulic locking apparatus, including thrust collar, the middle part of the top plate of the thrust collar has central shaft hole, multiple positioning through hole are formed on the madial wall of central shaft hole, there is outer connecting screw hole, the end face of outer connecting screw hole to form mider hole, mider hole is communicated with central shaft hole on the lateral wall of thrust collar, the diameter of central shaft hole is more than the diameter of mider hole, and the diameter of outer connecting screw hole is more than the diameter of mider hole；Check valve is screwed onto in outer connecting screw hole, and piston shaft sleeve is in mider hole, and the convex column sleeve formed in the middle part of the end face of piston shaft is in central shaft hole.It is simple in structure, using hydraulic drive, the main shaft in thrust collar is realized that piston shaft is pressed against and is fixed, fixation, meanwhile pressure release can be realized by top pressure spool, you can unload thrust collar from main shaft, the two convenient disassembly, abrasion is small, greatly improves service life.
Description
Technical field：
The utility model is related to sliding bearing technical field, more specifically to a kind of thrust collar hydraulic locking apparatus.
Background technology：
Step bearing is widely used, and general thrust collar is connected with main shaft using hot jacket mode, using interference fit.This
Connection type is relatively difficult in dismounting, and is easy to damage main shaft and thrust collar.
Utility model content：
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of thrust collar hydraulic locking apparatus, it is tied
Structure is simple, using hydraulic drive, the main shaft in thrust collar is realized that piston shaft is pressed against and is fixed, fixation, meanwhile, lead to
It crosses top pressure spool and pressure release can be realized, you can unload thrust collar from main shaft, the two convenient disassembly, abrasion is small, greatly improves
Service life.
The utility model solve the technical problem scheme be：
The middle part of a kind of thrust collar hydraulic locking apparatus, including thrust collar, the top plate of the thrust collar has central shaft hole,
Multiple positioning through hole are formed on the madial wall of central shaft hole, and there is outer connecting screw hole, outer connection spiral shell on the lateral wall of thrust collar
The end face in hole forms mider hole, and mider hole is communicated with central shaft hole, and the diameter of central shaft hole is more than the diameter of mider hole, outer company
The diameter for connecing screw hole is more than the diameter of mider hole；
Check valve is screwed onto in outer connecting screw hole, and piston shaft sleeve forms in mider hole in the middle part of the end face of piston shaft
Convex column sleeve in central shaft hole.
Annular groove is formed on the lateral wall of the piston shaft, sealing ring is nested in annular groove, outside sealing ring
Side wall is pressed against on the madial wall of mider hole.
The inner face of the check valve is pressed against on the inner face of outer connecting screw hole.
The first sealing ring, the first sealing ring pressure are nested in the annular groove having on the inner face of the outer connecting screw hole
It leans against on the inner face of check valve.
The check valve includes main body, and main body is screwed onto in outer connecting screw hole, and the inner face of main body is pressed against outer connection spiral shell
On the inner face in hole；
The middle part outer end face of the main body forms the hole portion that is spirally connected, and the middle part inner face of main body forms main bore portion, main aperture
Transition hole section is formed between portion and the hole portion that is spirally connected, the diameter of transition hole section is less than main bore portion and the hole portion that is spirally connected, spool sleeve exist
In main bore portion, there is screw thread, stop collar to be screwed onto on the madial wall of the inner end of main bore portion, valve on the madial wall of the inner end of main bore portion
There is stepped hole, the inner end of stepped hole is enlarged diameter section, is formed on the side wall of the reduced diameter section of stepped hole in the middle part of the inner end of core
Side through hole, returning spring sleeve is in enlarged diameter section, and one end of returning spring is put forth effort on the end face of stop collar, returning spring
The other end is put forth effort on the end face of enlarged diameter section, and the outer end of spool is outer truncated cone-shaped portion, and outer truncated cone-shaped portion sleeve is in transition hole section
In, the side wall in outer truncated cone-shaped portion is pressed against on the toroid that transitional pore section madial wall intersects with the outer end face of main bore portion.
There is stationary annular groove on the inside middle portion wall of the thrust collar.
The protrusion effect of the utility model is：
Compared with prior art, it is simple in structure, and using hydraulic drive, the main shaft in thrust collar is realized piston shaft
It is pressed against and fixes, fixation, meanwhile, pressure release can be realized by top pressure spool, you can unload thrust collar from main shaft, two
Person's convenient disassembly, abrasion is small, greatly improves service life.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view of the utility model.
Specific implementation mode：
Embodiment is shown in as shown in Figure 1 to Figure 2, a kind of thrust collar hydraulic locking apparatus, including thrust collar 10, the thrust
The middle part of first 10 top plate has central shaft hole 11, and multiple positioning through hole 12, thrust are formed on the madial wall of central shaft hole 11
There is outer connecting screw hole 13, the end face of outer connecting screw hole 13 to form mider hole 14, mider hole 14 is on first 10 lateral wall
Arbor hole 11 communicates, and the diameter of central shaft hole 11 is more than the diameter of mider hole 14, and the diameter of outer connecting screw hole 13 is more than mider hole
14 diameter；
Check valve 20 is screwed onto in outer connecting screw hole 13, and 30 sleeve of piston shaft is in mider hole 14, the end face of piston shaft 30
31 sleeve of convex column that middle part forms is in central shaft hole 11.
Further, annular groove 32 is formed on the lateral wall of the piston shaft 30, sealing ring 33 is nested in annular
In groove 32, the lateral wall of sealing ring 33 is pressed against on the madial wall of mider hole 14.
Further, the inner face of the check valve 20 is pressed against on the inner face of outer connecting screw hole 13.
Further, the first sealing ring is nested in the annular groove having on the inner face of the outer connecting screw hole 13
1, the first sealing ring 1 is pressed against on the inner face of check valve 20.
Further, the check valve 20 includes main body 21, and main body 21 is screwed onto in outer connecting screw hole 13, main body 21
Inner face is pressed against on the inner face of outer connecting screw hole 13；
The middle part outer end face of the main body 21 forms the hole portion 22 that is spirally connected, and the middle part inner face of main body 21 forms main bore portion
23, transition hole section 24 is formed between main bore portion 23 and the hole portion 22 that is spirally connected, the diameter of transition hole section 24 is less than main bore portion 23 and spiral shell
Hole portion 22 is connect, 25 sleeve of spool in main bore portion 23 there is screw thread, stop collar 26 to be spirally connected on the madial wall of the inner end of main bore portion 23
On the madial wall of the inner end of main bore portion 23, there is stepped hole 251, the inner end of stepped hole 251 is big in the middle part of the inner end of spool 25
Diameter segment forms side through hole 252 on the side wall of the reduced diameter section of stepped hole 251,27 sleeve of returning spring in enlarged diameter section,
One end of returning spring 27 is put forth effort on the end face of stop collar 26, and the other end of returning spring 27 puts forth effort on the end face of enlarged diameter section
On, the outer end of spool 25 is outer truncated cone-shaped portion 253, and outer 253 sleeve of truncated cone-shaped portion is in transition hole section 24, outer truncated cone-shaped portion 253
Side wall be pressed against on the toroid that 24 madial wall of transitional pore section intersects with the outer end face of main bore portion 23.
Further, there is stationary annular groove 19 on the inside middle portion wall of the thrust collar 10.
In use, by the way that main shaft sleeve in central shaft hole 11, then, the hole portion 22 that is spirally connected is screwed onto by oil inlet pipe
In, it refuels, so that the side wall in outer truncated cone-shaped portion 253 is not pressed against the outer end for crossing hole section 24 madial wall and main bore portion 23
On the toroid of face intersection, fluid enters in main bore portion 23, enters back into mider hole 14, to push piston shaft 30 to move, makes
It obtains convex column 31 to be pressed against on the side wall of main shaft, to be the holding positioning for realizing main shaft, completes to fix, then, stopping is refueled,
Oil inlet pipe is unloaded, at this time the rebound effect of returning spring 27 so that outer 253 sleeve of truncated cone-shaped portion is in transition hole section 24, outer circle
The side wall in platform shape portion 253 is pressed against on the toroid that 24 madial wall of transitional pore section intersects with the outer end face of main bore portion 23, is realized solid
It is fixed, wherein to pass through the limit of stop collar 26 so that when the maximum moving range of spool 25, the inner face of spool 25 is pressed against
On stop collar 26, to ensure the moving range of spool 25, mobile transition is prevented.
And when needing to unload, by the way that the outer end of spool 25 is carried out top pressure so that the side wall in outer truncated cone-shaped portion 253 is not pressed against
On crossing the toroid that 24 madial wall of hole section intersects with the outer end face of main bore portion 23, in this way, fluid just flows out, release is realized,
Main shaft can be directly separated with thrust collar 10, very convenient.
Claims (6)
1. a kind of thrust collar hydraulic locking apparatus, including thrust collar (10), it is characterised in that：The top plate of the thrust collar (10)
Middle part has central shaft hole (11), and multiple positioning through hole (12), thrust collar (10) are formed on the madial wall of central shaft hole (11)
Lateral wall on have outer connecting screw hole (13), the end face of outer connecting screw hole (13) forms mider hole (14), mider hole (14)
Communicated with central shaft hole (11), the diameter of central shaft hole (11) is more than the diameter of mider hole (14), outer connecting screw hole (13) it is straight
Diameter is more than the diameter of mider hole (14)；
Check valve (20) is screwed onto in outer connecting screw hole (13), and piston shaft (30) sleeve is in mider hole (14), piston shaft (30)
End face in the middle part of convex column (31) sleeve that forms in central shaft hole (11).
2. a kind of thrust collar hydraulic locking apparatus according to claim 1, it is characterised in that：Outside the piston shaft (30)
Annular groove (32) is formed on side wall, sealing ring (33) is nested in annular groove (32), the outside wall pressure of sealing ring (33)
On the madial wall for leaning against mider hole (14).
3. a kind of thrust collar hydraulic locking apparatus according to claim 1, it is characterised in that：The check valve (20) it is interior
End face is pressed against on the inner face of outer connecting screw hole (13).
4. a kind of thrust collar hydraulic locking apparatus according to claim 3, it is characterised in that：The outer connecting screw hole (13)
Inner face on be nested with the first sealing ring (1) in the annular groove that has, the first sealing ring (1) is pressed against check valve (20)
On inner face.
5. a kind of thrust collar hydraulic locking apparatus according to claim 3, it is characterised in that：The check valve (20) includes
Main body (21), main body (21) are screwed onto in outer connecting screw hole (13), and the inner face of main body (21) is pressed against outer connecting screw hole (13)
Inner face on；
The middle part outer end face of the main body (21) forms the hole portion that is spirally connected (22), and the middle part inner face of main body (21) forms main aperture
Portion (23), forms transition hole section (24) between main bore portion (23) and the hole portion that is spirally connected (22), the diameter of transition hole section (24) is less than
Main bore portion (23) and the hole portion that is spirally connected (22), spool (25) sleeve is in main bore portion (23), the madial wall of the inner end of main bore portion (23)
It is upper that there is screw thread, stop collar (26) to be screwed onto on the madial wall of the inner end of main bore portion (23), have in the middle part of the inner end of spool (25)
The inner end of stepped hole (251), stepped hole (251) is enlarged diameter section, and side is formed on the side wall of the reduced diameter section of stepped hole (251)
Through-hole (252), for returning spring (27) sleeve in enlarged diameter section, the end of stop collar (26) is put forth effort in one end of returning spring (27)
On face, the other end of returning spring (27) is put forth effort on the end face of enlarged diameter section, and the outer end of spool (25) is outer truncated cone-shaped portion
(253), for outer truncated cone-shaped portion (253) sleeve in transition hole section (24), the side wall of outer truncated cone-shaped portion (253) is pressed against transitional pore section
(24) on the toroid that madial wall intersects with the outer end face of main bore portion (23).
6. a kind of thrust collar hydraulic locking apparatus according to claim 1, it is characterised in that：In the thrust collar (10)
There is stationary annular groove (19) on portion's madial wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083996.0U CN207777438U (en) | 2018-01-18 | 2018-01-18 | A kind of thrust collar hydraulic locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820083996.0U CN207777438U (en) | 2018-01-18 | 2018-01-18 | A kind of thrust collar hydraulic locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777438U true CN207777438U (en) | 2018-08-28 |
Family
ID=63213302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820083996.0U Active CN207777438U (en) | 2018-01-18 | 2018-01-18 | A kind of thrust collar hydraulic locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561446A (en) * | 2018-01-18 | 2018-09-21 | 申科滑动轴承股份有限公司 | A kind of thrust collar hydraulic locking apparatus |
-
2018
- 2018-01-18 CN CN201820083996.0U patent/CN207777438U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561446A (en) * | 2018-01-18 | 2018-09-21 | 申科滑动轴承股份有限公司 | A kind of thrust collar hydraulic locking apparatus |
| CN108561446B (en) * | 2018-01-18 | 2024-03-15 | 申科滑动轴承股份有限公司 | Hydraulic locking device for thrust head |
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