CN113734383A - Auxiliary mounting and dismounting device for rudder shaft - Google Patents
Auxiliary mounting and dismounting device for rudder shaft Download PDFInfo
- Publication number
- CN113734383A CN113734383A CN202111191036.9A CN202111191036A CN113734383A CN 113734383 A CN113734383 A CN 113734383A CN 202111191036 A CN202111191036 A CN 202111191036A CN 113734383 A CN113734383 A CN 113734383A
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- China
- Prior art keywords
- rudder
- transition block
- rudder shaft
- shaft
- communicated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B81/00—Repairing or maintaining vessels
Abstract
The invention relates to a rudder shaft auxiliary mounting and dismounting device which comprises a steering engine, wherein an output shaft of the steering engine is fixed with a crank 4 through a spherical hinge, the crank is provided with a rudder shaft through a key, and the head of the rudder shaft extends into a rudder blade and is fixed by a nut; a transition block is welded in the rudder blade, the transition block is of a hollow conical structure, a spiral groove and an annular groove are formed in the transition block at the position where the transition block is matched with the rudder shaft, the starting end of the spiral groove is communicated with the first annular groove, the middle part of the spiral groove is communicated with the second annular groove, and the tail end of the spiral groove is communicated with the third annular groove; the transition block is provided with a first oil injection hole which is communicated with a second annular groove, and the nut cap is provided with a second oil injection hole; the first manual oil cylinder is communicated with the second oil injection hole through a first oil pipe, and the second manual oil cylinder is communicated with the first oil injection hole through a second oil pipe; the installation is dismantled conveniently, and work efficiency is high.
Description
Technical Field
The invention relates to the technical field of mounting and dismounting devices, in particular to an auxiliary mounting and dismounting device for a rudder shaft of a ship and a submersible.
Background
During sailing movement of the ship or the submersible, a rudder blade is arranged and used for changing the course of the ship or the submersible, the rudder blade is usually connected to a power driving device through a rudder shaft to realize swinging, and the rudder shaft serving as an important force transmission mechanism is subjected to large load and is frequently damaged, so that the rudder shaft is inevitably replaced during service of the ship or the submersible.
The rudder shaft and the rudder blade are mainly connected in two modes at present, wherein one mode is key connection, and the other mode is conical surface grinding interference connection. The two modes are that the installation and the disassembly are realized by means of huge knocking force and pulling force of a machine, a series of processes such as preassembly, key groove cutting, centering, manual knocking, coaxiality detection and the like are required, the process is complicated, the operation difficulty is high, and the time consumption is long.
Disclosure of Invention
The auxiliary rudder shaft mounting and dismounting device is reasonable in structure, so that the rudder shaft can be mounted and dismounted through hydraulic operation, and the rudder shaft is safe and convenient to replace, compact in structure, time-saving and labor-saving.
The technical scheme adopted by the invention is as follows:
a rudder shaft auxiliary mounting and dismounting device comprises a steering engine, wherein an output shaft of the steering engine is fixed with a crank 4 through a spherical hinge, the crank is provided with a rudder shaft through a key, and the head of the rudder shaft extends into a rudder blade and is fixed through a nut;
a transition block is welded in the rudder blade, the transition block is of a hollow conical structure, a spiral groove and an annular groove are formed in the transition block at the position where the transition block is matched with the rudder shaft, the starting end of the spiral groove is communicated with the first annular groove, the middle part of the spiral groove is communicated with the second annular groove, and the tail end of the spiral groove is communicated with the third annular groove;
the transition block is provided with a first oil injection hole which is communicated with a second annular groove, and the nut cap is provided with a second oil injection hole;
still including being located the outside manual cylinder and No. two manual cylinder of rudder blade, No. one manual cylinder is through an oil pipe and No. two oil filler point intercommunication, and No. two manual cylinder is through No. two oil pipes and No. one oil filler point intercommunication.
The further technical scheme is as follows:
one end of the rudder shaft matched with the rudder blade is set to be a conical structure.
The rudder blade is provided with a rudder blade hole and a rudder blade hole II, the rudder blade hole I is provided with an operating space for the oil injection hole I, and the rudder blade hole II is provided with an operating space for the nut and the oil injection hole II.
The inner surface of the transition block is smooth through grinding.
The outer surface of the rudder shaft is smooth through grinding.
And a sealing ring is arranged on the matching surface of the screw cap and the transition block.
The section of the nut is of a T-shaped structure.
The end of the transition block is provided with a groove matched with the screw cap.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, can conveniently realize the installation and the disassembly of the rudder shaft by the unique design of the transition block and the mutual matching work of the first manual oil cylinder and the second manual oil cylinder, has safe and convenient rudder shaft replacement, compact structure, time and labor saving and high working efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the rudder blade according to the present invention.
FIG. 3 is a schematic diagram of the operation of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a partially enlarged view of a portion B in fig. 3.
Wherein: 1. a rudder blade; 2. a rudder shaft; 3. a steering engine; 4. a crank; 5. a manual oil cylinder; 6. an oil pipe I; 7. a second manual oil cylinder; 8. a second oil pipe; 9. a nut; 10. a seal ring;
101. a second rudder blade hole; 102. a first rudder blade hole; 103. a transition block;
1031. a first oil injection hole; 1032. a helical groove; 1033. a first annular groove; 1034. a second annular groove; 1035. a third annular groove;
901. and a second oil injection hole.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 5, the auxiliary rudder shaft mounting and dismounting device of the present embodiment includes a steering engine 3, an output shaft of the steering engine 3 is fixed with a crank 4 through a spherical hinge, the crank 4 mounts a rudder shaft 2 through a key, and a head of the rudder shaft 2 extends into a rudder blade 1 and is fixed by a nut 9;
a transition block 103 is welded in the rudder blade 1, the transition block 103 is of a hollow conical structure, a spiral groove 1032 and an annular groove are formed in the transition block 103 where the transition block is matched with the rudder shaft 2, the starting end of the spiral groove 1032 is communicated with a first annular groove 1033, the middle part of the spiral groove 1032 is communicated with a second annular groove 1034, and the tail end of the spiral groove 1032 is communicated with a third annular groove 1035;
a first oil injection hole 1031 is formed in the transition block 103, the first oil injection hole 1031 is communicated with a second annular groove 1034, and a second oil injection hole 901 is formed in the screw cap 9;
still including being located rudder blade 1 outside manual cylinder 5 and No. two manual cylinder 7, No. one manual cylinder 5 is through No. 6 oil pipe and No. two oil filler holes 901 intercommunication, and No. two manual cylinder 7 is through No. two oil pipe 8 and No. 1031 intercommunication.
One end of the rudder shaft 2 matched with the rudder blade 1 is set to be a conical structure.
The rudder blade 1 is provided with a first rudder blade hole 102 and a second rudder blade hole 101, the first rudder blade hole 102 leaves an operating space for a first oil injection hole 1031, and the second rudder blade hole 101 leaves an operating space for a nut 9 and a second oil injection hole 901.
The inner surface of the transition block 103 is smooth by grinding.
The outer surface of the rudder shaft 2 is smooth by grinding.
And a sealing ring 10 is arranged on the matching surface of the nut 9 and the transition block 103.
The section of the screw cap 9 is in a T-shaped structure.
The end of the transition block 103 is provided with a groove cooperating with the nut 9.
The specific structure and function of the invention are as follows:
the rudder blade mainly comprises a rudder blade 1, a rudder shaft 2, a steering engine 3, a crank 4, a first manual oil cylinder 5, a first oil pipe 6, a second manual oil cylinder 7, a second oil pipe 8, a screw cap 9, a sealing ring 10, a first rudder blade hole 102, a second rudder blade hole 101, a transition block 103, a first oil injection hole 1031, a spiral groove 1032, a first annular groove 1033, a second annular groove 1034, a third annular groove 1035, a second oil injection hole 901 and the like.
The rudder blade 1 and the rudder shaft 2 are assembled together in an interference fit mode, one end of the rudder shaft 2 is of a conical structure, the outer surface of the rudder shaft is smooth after grinding, an output shaft of the steering engine 3 is fixed with the crank 4 through a spherical hinge, the crank 4 is fixed with the rudder shaft 2 through a key, and the nut 9 is connected with the rudder shaft 2 through threads.
The rudder blade 1 is provided with a first rudder blade hole 102 and a second rudder blade hole 101, the first rudder blade hole 102 leaves an operation space for a first oil injection hole 1031, the second rudder blade hole 101 leaves an operation space for a screw cap 9 and a second oil injection hole 901, a transition block 103 is fixed in the rudder blade 1 through welding, the transition block 103 is of a hollow conical structure and has a smooth ground inner surface, a spiral groove 1032 is formed in the transition block 103 at a position matched with the rudder shaft 2, the starting end of the spiral groove 1032 is communicated with a first annular groove 1033, the middle part of the spiral groove 1032 is communicated with a second annular groove 1034, the tail end of the spiral groove 1032 is communicated with a third annular groove 1035, the transition block 103 is provided with the first oil injection hole 1031, the first oil injection hole 1031 is communicated with the second annular groove 1034, the screw cap 9 is provided with the second oil injection hole 901, and a sealing ring 10 is arranged on the matching surface of the screw cap 9 and the transition block 103.
The first manual oil cylinder 5 is communicated with the second oil injection hole 901 through a first oil pipe 6, and the second manual oil cylinder 7 is communicated with the first oil injection hole 1031 through a second oil pipe 8.
In the actual working process:
before the rudder shaft 2 is assembled into the rudder blade 1, grease is uniformly coated on the outer conical surface of the rudder shaft 2, the conical section part of the rudder shaft 2 is sent into the transition block 103 through the hoisting device, because the conical surface part of the rudder shaft 2 is smooth and has grease, the outer conical surface of the rudder shaft 2 is tightly attached to the inner conical surface of the transition block 103 at the moment, then the screw cap 9 is screwed into the thread part of the rudder shaft 2, the first manual cylinder 5 is communicated with the second oil hole 901 through the first oil pipe 6, the second manual cylinder 7 is communicated with the first oil hole 1031 through the second oil pipe 8, the first manual cylinder 5 is firstly pressed to 20MPa, high-pressure oil is filled in a closed cavity formed by the screw cap 9, the transition block 103 and the rudder shaft 2 at the moment, and the rudder shaft 2 is further moved into the transition block 103 under the action of pressure.
After the first manual oil cylinder 5 is kept still at 20MPa for a period of time, the second manual oil cylinder 7 is pressed to 70MPa, and high-pressure oil is filled into the spiral groove 1032, the first annular groove 1033, the second annular groove 1034 and the third annular groove 1035, the size of the conical structure in the transition block 103 expands under a huge pressure, and simultaneously, under the action of high-pressure oil of the first manual oil cylinder 5, the rudder shaft 2 continues to move into the transition block 103 until the rudder shaft 2 moves 1.5mm along the axial direction, the pressure of the first manual oil cylinder 5 and the second manual oil cylinder 7 is removed, the rudder shaft 2 and the transition block 103 are tightly fixed together through interference fit, the first manual oil cylinder 5, the first oil pipe 6, the second manual oil cylinder 7 and the second oil pipe 8 are removed, the first oil hole 1031 and the second oil hole 901 are plugged by plugs, seawater is prevented from entering, the steering engine 3 is operated at the moment, and the steering engine 3 can drive the rudder blade 1 to swing through the crank 4 and the rudder shaft 2.
When rudder shaft 2 or rudder blade 1 take place to damage and need change, twist off nut 9, communicate No. two manual cylinder 7 with oil filler 1031 through No. two oil pipe 8, suppress to 70MPa through No. two manual cylinder 7 this moment, because of rudder shaft 2 is the toper structure, can produce under the pressure effect of high-pressure oil along the resultant force to the toper main aspects, rudder shaft 2 can break away from transition piece 103, accomplishes the dismantlement of rudder shaft 2 this moment.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (8)
1. The utility model provides a supplementary installation dismounting device of rudder axle which characterized in that: the rudder blade comprises a steering engine (3), wherein an output shaft of the steering engine (3) is fixed with a crank (4) through a spherical hinge, the crank (4) is provided with a rudder shaft (2) through a key, and the head of the rudder shaft (2) extends into a rudder blade (1) and is fixed by a nut (9);
the rudder blade (1) is internally welded with a transition block (103), the transition block (103) is internally of a hollow conical structure, a spiral groove (1032) and an annular groove are formed in the transition block (103) at the position matched with the rudder shaft (2), the starting end of the spiral groove (1032) is communicated with a first annular groove (1033), the middle part of the spiral groove (1032) is communicated with a second annular groove (1034), and the tail end of the spiral groove (1032) is communicated with a third annular groove (1035);
a first oil injection hole (1031) is formed in the transition block (103), the first oil injection hole (1031) is communicated with a second annular groove (1034), and a second oil injection hole (901) is formed in the screw cap (9);
still including being located rudder blade (1) outside one hand cylinder (5) and No. two hand cylinder (7), one hand cylinder (5) are through an oil pipe (6) and No. two oil filler point (901) intercommunication, and No. two hand cylinder (7) are through No. two oil pipe (8) and No. one oil filler point (1031) intercommunication.
2. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: one end of the rudder shaft (2) matched with the rudder blade (1) is set to be a conical structure.
3. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: a first rudder blade hole (102) and a second rudder blade hole (101) are formed in the rudder blade (1), an operating space is reserved for a first oil injection hole (1031) in the first rudder blade hole (102), and an operating space is reserved for a nut (9) and a second oil injection hole (901) in the second rudder blade hole (101).
4. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: the inner surface of the transition block (103) is smooth through grinding.
5. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: the outer surface of the rudder shaft (2) is smooth through grinding.
6. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: and a sealing ring (10) is arranged on the matching surface of the screw cap (9) and the transition block (103).
7. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: the section of the screw cap (9) is of a T-shaped structure.
8. The auxiliary mounting and dismounting device for the rudder shaft as claimed in claim 1, wherein: the end part of the transition block (103) is provided with a groove matched with the screw cap (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191036.9A CN113734383B (en) | 2021-10-13 | 2021-10-13 | Auxiliary mounting and dismounting device for rudder shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191036.9A CN113734383B (en) | 2021-10-13 | 2021-10-13 | Auxiliary mounting and dismounting device for rudder shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113734383A true CN113734383A (en) | 2021-12-03 |
| CN113734383B CN113734383B (en) | 2022-08-05 |
Family
ID=78726542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111191036.9A Active CN113734383B (en) | 2021-10-13 | 2021-10-13 | Auxiliary mounting and dismounting device for rudder shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113734383B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577794A (en) * | 1980-05-23 | 1982-01-14 | Teleflex Inc | Oil pressure steering assembled body |
| JP2005088144A (en) * | 2003-09-18 | 2005-04-07 | Honda Motor Co Ltd | Seal member press-in device |
| CN202481291U (en) * | 2011-12-31 | 2012-10-10 | 大连迪施船机有限公司 | Connection structure of rudder blade and rudder stock of ship |
-
2021
- 2021-10-13 CN CN202111191036.9A patent/CN113734383B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS577794A (en) * | 1980-05-23 | 1982-01-14 | Teleflex Inc | Oil pressure steering assembled body |
| JP2005088144A (en) * | 2003-09-18 | 2005-04-07 | Honda Motor Co Ltd | Seal member press-in device |
| CN202481291U (en) * | 2011-12-31 | 2012-10-10 | 大连迪施船机有限公司 | Connection structure of rudder blade and rudder stock of ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113734383B (en) | 2022-08-05 |
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