CN109505980A - Mechanism and means to save the situation are remedied in the failure of screw propeller closed bin tail portion dynamic sealing - Google Patents
Mechanism and means to save the situation are remedied in the failure of screw propeller closed bin tail portion dynamic sealing Download PDFInfo
- Publication number
- CN109505980A CN109505980A CN201811538219.1A CN201811538219A CN109505980A CN 109505980 A CN109505980 A CN 109505980A CN 201811538219 A CN201811538219 A CN 201811538219A CN 109505980 A CN109505980 A CN 109505980A
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- Prior art keywords
- annular
- piston
- cylinder shape
- cover board
- end cover
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3296—Arrangements for monitoring the condition or operation of elastic sealings; Arrangements for control of elastic sealings, e.g. of their geometry or stiffness
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3436—Pressing means
- F16J15/3452—Pressing means the pressing force resulting from the action of a spring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of failures of screw propeller closed bin tail portion dynamic sealing to remedy mechanism and means to save the situation, solves the problems, such as how simply timely and effectively to remedy the failure of submarine navigation device dynamic sealing.The bottom of cylinder shape groove (15) is provided with dynamic sealing ring support (10), annular piston (9) are movably set in cylinder shape groove (15), annular end cover board (6) are provided at the top of cylinder shape groove (15), pressure spring (5) are socketed on piston catch bar (18) between the right side and annular piston (9) of annular end cover board (6), limit clamping groove (20) is provided on plum blossom-shaped limit plate (7), spring base (22) are fixedly installed on plum blossom-shaped limit plate (7), electromagnet (12) are fixedly installed on annular end cover board (6), the bottom of cylinder shape groove (15) is provided with leakage sensor (11), leakage sensor (11) is electrically connected with electromagnet (12).Improve the reliability of dynamic sealing.
Description
Technical field
The present invention relates to a kind of dynamic sealings to remedy mechanism, in particular to a kind of screw propeller closed bin tail portion dynamic sealing
Mechanism and means to save the situation are remedied in failure.
Background technique
Currently, most submarine navigation devices, which depend on electric system driving propeller, realizes that itself is acted, propeller
Drive shaft is to be pierced by from the tail portion of closed shell to outside shell, is by the way of dynamic sealing between drive shaft and shell come real
Existing warehouse sealing, dynamic sealing block is generally fitted between warehouse and propeller drive shaft, dynamic sealing block and drive shaft it
Between be provided with dynamic seal ring, which be mounted in the annular trough body of dynamic sealing block by precompressed mode, in advance
Press the better seal effect for making dynamic seal ring play dynamic sealing.During the work time, dynamic seal ring can be by for submarine navigation device
The erosion of seawater can also be such that dynamic seal ring first grinds with the increase of working time between screw drives axis and dynamic seal ring
Phenomenon is damaged, when dynamic seal ring is worn in advance, discovery as early as possible has infiltration phenomenon, and takes effective emergency measure,
It can be that coming back to the base for submarine navigation device wins the quality time, develop simple and effective water-impervious in warehouse and remedy mechanism, become
Live problem in urgent need to solve.
Summary of the invention
The present invention provides a kind of failures of screw propeller closed bin tail portion dynamic sealing to remedy mechanism and means to save the situation, solves
It has determined and how simply timely and effectively to have remedied the technical issues of submarine navigation device dynamic sealing fails.
The present invention is to solve the above technical problem by the following technical programs:
Mechanism, including closed bin tail portion warehouse are remedied in a kind of failure of screw propeller closed bin tail portion dynamic sealing, in closed bin
It is extended with propeller drive shaft on the warehouse of tail portion, is provided with propeller in the propeller drive shaft of stretching, in closed bin tail portion
It is provided with dynamic sealing ring support between warehouse and propeller drive shaft, is provided with dynamic sealing on the inner arc face of dynamic sealing ring support
Circle, is provided with cylinder shape groove on the warehouse of closed bin tail portion, is provided with propeller drive shaft at the center of cylinder shape groove,
The bottom of cylinder shape groove is provided with dynamic sealing ring support, the dynamic sealing ring support and propeller in the bottom of cylinder shape groove drive
The step-like groove of spare dynamic seal ring insertion annular is provided between axis, in the step-like groove of spare dynamic seal ring insertion annular
It is provided with spare dynamic seal ring, annular piston is movably set in cylinder shape groove, annular piston is actively socketed on propeller
In drive shaft, it is provided with annular end cover board at the top of cylinder shape groove, piston catch bar is provided on annular end cover board and is worn
Through-hole is crossed, the left end of the piston catch bar on annular piston passes through through-hole from piston catch bar and is pierced by the left end of annular end cover board
On the outside of face, it is socketed with pressure spring on the piston catch bar between the right side and annular piston of annular end cover board, is pushed in piston
It is provided with annular groove in the left end of bar, movable sleeve is connected to plum blossom-shaped limit in the propeller drive shaft on the left of annular end cover board
Position plate, limit clamping groove is provided on plum blossom-shaped limit plate, spring base is fixedly installed on plum blossom-shaped limit plate, in ring
It is fixedly installed tension spring connecting column on shape end casing, is provided with tension spring between spring base and tension spring connecting column, is limited in plum blossom-shaped
It is provided with rotary stopper pin on the plate of position, electromagnet is fixedly installed on annular end cover board, (output shaft reaches rotation to electromagnet
The limiting side for turning spacer pin is provided with leakage sensor in the bottom of cylinder shape groove, and leakage sensor is electrically connected with electromagnet
Together.
Plum blossom-shaped limit plate is six plum-blossom-valve shapes, rotary stopper pin is provided on a valve wherein, in five other valves
On be provided with spring base, annular end cover board is to be fixedly connected by screw with the closed bin tail portion warehouse at the top of cylinder shape groove
Together.
A kind of screw propeller closed bin tail portion dynamic sealing failure means to save the situation, comprising the following steps:
Cylinder shape groove is arranged on the warehouse of closed bin tail portion in the first step, and propeller is arranged at the center of cylinder shape groove and drives
Dynamic sealing ring support, dynamic sealing ring support and propeller in the bottom of cylinder shape groove is arranged in the bottom of cylinder shape groove in moving axis
Spare dynamic seal ring insertion annular step-like groove is set between drive shaft, in the step-like groove of spare dynamic seal ring insertion annular
The middle spare dynamic seal ring of setting, the activity setting annular piston in cylinder shape groove, annular piston are actively socketed on propeller drive
On moving axis, annular end cover board is set at the top of cylinder shape groove, piston catch bar is set on annular end cover board and passes through through-hole,
The left end of piston catch bar on annular piston passes through through-hole from piston catch bar and is pierced by the outside of the left side of annular end cover board,
It is socketed pressure spring on piston catch bar between the right side and annular piston of annular end cover board, in the left end of piston catch bar
Upper setting annular groove, the pivot bush unit plum blossom-shaped limit plate in the propeller drive shaft on the left of annular end cover board, in plum blossom-shaped
Setting limit clamping groove, is fixedly installed spring base on plum blossom-shaped limit plate on limit plate, and fixation is set on annular end cover board
Tension spring connecting column is set, tension spring is set between spring base and tension spring connecting column, rotary stopper pin is set on plum blossom-shaped limit plate,
Electromagnet is fixedly installed on annular end cover board, the output shaft of electromagnet reaches the limiting side of rotary stopper pin, in cylinder
Leakage sensor is arranged in the bottom of groove, and leakage sensor is electrically connected with electromagnet, and tension spring is in tensioning state, piston
The left end of catch bar is connected in annular groove, and pressure spring is in pre-pressing state；
Second step, after leakage sensor has detected that seawater enters warehouse, give electromagnet to export the instruction of keying level,
The output shaft of electromagnet retracts, and the limit of rotary stopper pin is released from, and plum blossom-shaped limit plate revolves clockwise under the action of tension spring
Turn, is detached from the limit clamping groove being arranged on plum blossom-shaped limit plate and the left end of piston catch bar, the ring after releasing limit
Shape piston and piston catch bar move right under the action of pressure spring, annular piston by spare dynamic seal ring squeeze into it is spare move it is close
In the step-like groove of seal insertion annular, spare dynamic seal ring is made to play dynamic sealing effect.
The present invention is for the self-sealing prosthetic device after the failure of submarine navigation device dynamic seal ring, when can extend the work of product
Between, the reliability of dynamic sealing is improved, the service life of product is increased.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is structural schematic diagram of the present invention in left view direction；
Fig. 3 is the structural schematic diagram of annular piston 9 of the invention；
Fig. 4 is the structural schematic diagram of plum blossom-shaped limit plate 7 of the invention；
Fig. 5 is the structural schematic diagram of annular end cover board 6 of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
Mechanism, including closed bin tail portion warehouse 1 are remedied in a kind of failure of screw propeller closed bin tail portion dynamic sealing, in closed bin
It is extended with propeller drive shaft 2 on tail portion warehouse 1, propeller 14 is provided in the propeller drive shaft 2 of stretching, in closed bin
It is provided with dynamic sealing ring support 10 between tail portion warehouse 1 and propeller drive shaft 2, is set on the inner arc face of dynamic sealing ring support 10
It is equipped with dynamic seal ring 4, cylinder shape groove 15 is provided on closed bin tail portion warehouse 1, is set at the center of cylinder shape groove 15
It is equipped with propeller drive shaft 2, the bottom of cylinder shape groove 15 is provided with dynamic sealing ring support 10, in the bottom of cylinder shape groove 15
Dynamic sealing ring support 10 and propeller drive shaft 2 between be provided with the step-like groove 16 of spare dynamic seal ring insertion annular, standby
It is provided with spare dynamic seal ring 3 in the step-like groove 16 of dynamic seal ring insertion annular, the activity setting in cylinder shape groove 15
There is annular piston 9, annular piston 9 is actively socketed in propeller drive shaft 2, and the top of cylinder shape groove 15 is provided with annular
End casing 6 is provided with piston catch bar 18 of the piston catch bar on through-hole 17, annular piston 9 on annular end cover board 6
Left end passes through through-hole 17 from piston catch bar and is pierced by the outside of the left side of annular end cover board 6, in the right side of annular end cover board 6
It is socketed with pressure spring 5 on piston catch bar 18 between annular piston 9, is provided with annular in the left end of piston catch bar 18
Groove 19, movable sleeve is connected to plum blossom-shaped limit plate 7 in the propeller drive shaft 2 in 6 left side of annular end cover board, limits in plum blossom-shaped
It is provided with limit clamping groove 20 on plate 7, spring base 22 is fixedly installed on plum blossom-shaped limit plate 7, on annular end cover board 6
It is fixedly installed tension spring connecting column 23, tension spring 8 is provided between spring base 22 and tension spring connecting column 23, in plum blossom-shaped limit plate
It is provided with rotary stopper pin 21 on 7, electromagnet 12 is fixedly installed on annular end cover board 6, the output shaft of electromagnet 12 stretches out
To the limiting side of rotary stopper pin 21, the bottom of cylinder shape groove 15 is provided with leakage sensor 11, leakage sensor 11 with
Electromagnet 12 is electrically connected.
Plum blossom-shaped limit plate 7 is six plum-blossom-valve shapes, rotary stopper pin 21 is provided on a valve wherein, other five
Spring base 22 is provided on valve, annular end cover board 6 is the closed bin tail portion storehouse by 15 top of screw 13 and cylinder shape groove
What body 1 was fixed together.
A kind of screw propeller closed bin tail portion dynamic sealing failure means to save the situation, comprising the following steps:
Cylinder shape groove 15 is arranged in the first step on closed bin tail portion warehouse 1, and spiral is arranged at the center of cylinder shape groove 15
Dynamic sealing ring support 10 is arranged in the bottom of cylinder shape groove 15, the dynamic seal ring in the bottom of cylinder shape groove 15 in paddle drive shaft 2
Spare dynamic seal ring insertion annular step-like groove 16 is set between seat 10 and propeller drive shaft 2, it is embedding in spare dynamic seal ring
Enter and spare dynamic seal ring 3 is set in annular table scalariform groove 16, activity setting annular piston 9, annular in cylinder shape groove 15
Piston 9 is actively socketed in propeller drive shaft 2, annular end cover board 6 is arranged at the top of cylinder shape groove 15, in annular end cap
Piston catch bar is set on plate 6 and passes through through-hole 17, the left end of the piston catch bar 18 on annular piston 9 is passed through from piston catch bar
Through-hole 17 is pierced by the outside of the left side of annular end cover board 6, the work between the right side and annular piston 9 of annular end cover board 6
Fill in catch bar 18) on be socketed pressure spring 5, annular groove 19 is set in the left end of piston catch bar 18, it is left in annular end cover board 6
Pivot bush unit plum blossom-shaped limit plate 7 in the propeller drive shaft 2 of side, the setting limit clamping groove 20 on plum blossom-shaped limit plate 7,
Spring base 22 is fixedly installed on plum blossom-shaped limit plate 7, tension spring connecting column 23 is fixedly installed on annular end cover board 6, in tension spring
Tension spring 8 is set between seat 22 and tension spring connecting column 23, rotary stopper pin 21 is set on plum blossom-shaped limit plate 7, in annular end cap
Electromagnet 12 is fixedly installed on plate 6, the output shaft of electromagnet 12 reaches the limiting side of rotary stopper pin 21, in cylinder shape groove
Leakage sensor 11 is arranged in 15 bottom, and leakage sensor 11 is electrically connected with electromagnet 12, and tension spring 8 is in tensioning shape
State, the left end of piston catch bar 18 are connected in annular groove 19, and pressure spring 5 is in pre-pressing state；
Second step fails when dynamic seal ring 4 wears leak, after leakage sensor 11 has detected that seawater just enters warehouse,
A keying level instruction is exported to electromagnet 12, the output shaft of electromagnet 12 retracts, and the limit of rotary stopper pin 21 is released from,
Plum blossom-shaped limit plate 7 rotates clockwise under the action of tension spring 8, makes the limit clamping groove 20 being arranged on plum blossom-shaped limit plate 7
It is detached from the left end of piston catch bar 18, the annular piston 9 and piston catch bar 18 after releasing limit are under the action of pressure spring 5
It moves right, spare dynamic seal ring 3 is squeezed into the step-like groove 16 of spare dynamic seal ring insertion annular and produced by annular piston 9
Raw pre-compression force makes spare dynamic seal ring 3 play dynamic sealing effect.
Claims (3)
1. mechanism, including closed bin tail portion warehouse (1) are remedied in a kind of failure of screw propeller closed bin tail portion dynamic sealing, close
It closes on storehouse tail portion warehouse (1) and is extended with propeller drive shaft (2), be provided with propeller in the propeller drive shaft (2) of stretching
(14), dynamic sealing ring support (10) are provided between closed bin tail portion warehouse (1) and propeller drive shaft (2), in dynamic seal ring
Dynamic seal ring (4) are provided on the inner arc face of seat (10), which is characterized in that are provided on closed bin tail portion warehouse (1)
Cylinder shape groove (15) is provided with propeller drive shaft (2) at the center of cylinder shape groove (15), in cylinder shape groove (15)
Bottom be provided with dynamic sealing ring support (10), the bottom of cylinder shape groove (15) dynamic sealing ring support (10) and propeller drive
It is provided with the step-like groove (16) of spare dynamic seal ring insertion annular between axis (2), is embedded in ring-shaped step in spare dynamic seal ring
It is provided with spare dynamic seal ring (3) in shape groove (16), annular piston (9), ring are movably set in cylinder shape groove (15)
Shape piston (9) is actively socketed on propeller drive shaft (2), is provided with annular end cover board at the top of cylinder shape groove (15)
(6), piston catch bar of the piston catch bar on through-hole (17), annular piston (9) is provided on annular end cover board (6)
(18) left end passes through through-hole (17) from piston catch bar and is pierced by the outside of the left side of annular end cover board (6), in annular end cap
Pressure spring (5) are socketed on piston catch bar (18) between the right side and annular piston (9) of plate (6), in piston catch bar
(18) annular groove (19) are provided in left end, movable sleeve in the propeller drive shaft (2) on the left of annular end cover board (6)
Plum blossom-shaped limit plate (7) are connected to, limit clamping groove (20) are provided on plum blossom-shaped limit plate (7), in plum blossom-shaped limit plate
(7) it is fixedly installed spring base (22) on, tension spring connecting column (23) are fixedly installed on annular end cover board (6), in spring base
(22) it is provided between tension spring connecting column (23) tension spring (8), is provided with rotary stopper pin on plum blossom-shaped limit plate (7)
(21), it is fixedly installed on annular end cover board (6) electromagnet (12), the output shaft of electromagnet (12) reaches rotary stopper pin
(21) limiting side is provided with leakage sensor (11), leakage sensor (11) and electromagnetism in the bottom of cylinder shape groove (15)
Iron (12) is electrically connected.
2. mechanism, feature are remedied in a kind of screw propeller closed bin tail portion dynamic sealing failure according to claim 1
It is, plum blossom-shaped limit plate (7) is six plum-blossom-valve shapes, rotary stopper pin (21) is provided on a valve wherein, other
Be provided on five valves spring base (22), annular end cover board (6) be by screw (13) with it is close at the top of cylinder shape groove (15)
Close what storehouse tail portion warehouse (1) was fixed together.
The means to save the situation 3. a kind of screw propeller closed bin tail portion dynamic sealing fails, comprising the following steps:
Cylinder shape groove (15) are arranged on closed bin tail portion warehouse (1) in the first step, set at the center of cylinder shape groove (15)
Propeller drive shaft (2) are set, dynamic sealing ring support (10) are set in the bottom of cylinder shape groove (15), in cylinder shape groove (15)
Spare dynamic seal ring insertion annular step-like groove is set between the dynamic sealing ring support (10) and propeller drive shaft (2) of bottom
(16), the spare dynamic seal ring (3) of setting in the step-like groove (16) of spare dynamic seal ring insertion annular, in cylinder shape groove
(15) activity setting annular piston (9) in, annular piston (9) is actively socketed on propeller drive shaft (2), in cylinder shape groove
(15) annular end cover board (6) are arranged in top, and piston catch bar is arranged on annular end cover board (6) and passes through through-hole (17), annular
The left end of piston catch bar (18) on piston (9) passes through through-hole (17) from piston catch bar and is pierced by annular end cover board (6)
On the outside of left side, pressure spring is socketed on the piston catch bar (18) between the right side and annular piston (9) of annular end cover board (6)
(5), annular groove (19) are set in the left end of piston catch bar (18), the propeller on the left of annular end cover board (6) drives
Pivot bush unit plum blossom-shaped limit plate (7) on moving axis (2), setting limit clamping groove (20) on plum blossom-shaped limit plate (7), in plum
Spring base (22) are fixedly installed on flower-shaped limit plate (7), tension spring connecting column (23) are fixedly installed on annular end cover board (6),
Tension spring (8) are set between spring base (22) and tension spring connecting column (23), rotary stopper pin is set on plum blossom-shaped limit plate (7)
(21), electromagnet (12) are fixedly installed on annular end cover board (6), the output shaft of electromagnet (12) reaches rotary stopper pin
(21) leakage sensor (11) are arranged in the bottom of cylinder shape groove (15), leakage sensor (11) and electromagnet in limiting side
(12) it is electrically connected, tension spring (8) is in tensioning state, and the left end of piston catch bar (18) is connected to annular groove (19)
In, pressure spring (5) is in pre-pressing state；
Second step, after leakage sensor (11) has detected that seawater enters warehouse, to electromagnet (12) export one movement
The output shaft of level command, electromagnet (12) retracts, and the limit of rotary stopper pin (21) is released from, and plum blossom-shaped limit plate (7) exists
Tension spring rotates clockwise under the action of (8), pushes the limit clamping groove (20) being arranged on plum blossom-shaped limit plate (7) and piston
The left end of bar (18) is detached from, the annular piston (9) and piston catch bar (18) after releasing limit under the action of pressure spring (5) to
It moves right, spare dynamic seal ring (3) is squeezed into the step-like groove (16) of spare dynamic seal ring insertion annular by annular piston (9)
In, so that spare dynamic seal ring (3) is played dynamic sealing effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538219.1A CN109505980A (en) | 2018-12-16 | 2018-12-16 | Mechanism and means to save the situation are remedied in the failure of screw propeller closed bin tail portion dynamic sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538219.1A CN109505980A (en) | 2018-12-16 | 2018-12-16 | Mechanism and means to save the situation are remedied in the failure of screw propeller closed bin tail portion dynamic sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505980A true CN109505980A (en) | 2019-03-22 |
Family
ID=65752864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538219.1A Pending CN109505980A (en) | 2018-12-16 | 2018-12-16 | Mechanism and means to save the situation are remedied in the failure of screw propeller closed bin tail portion dynamic sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271458A (en) * | 2020-03-14 | 2020-06-12 | 沈阳耐蚀合金泵股份有限公司 | Radial detachable shielding system |
-
2018
- 2018-12-16 CN CN201811538219.1A patent/CN109505980A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271458A (en) * | 2020-03-14 | 2020-06-12 | 沈阳耐蚀合金泵股份有限公司 | Radial detachable shielding system |
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