CN208744696U - A kind of disassembling fixture of shaft coupling - Google Patents
A kind of disassembling fixture of shaft coupling Download PDFInfo
- Publication number
- CN208744696U CN208744696U CN201821471789.9U CN201821471789U CN208744696U CN 208744696 U CN208744696 U CN 208744696U CN 201821471789 U CN201821471789 U CN 201821471789U CN 208744696 U CN208744696 U CN 208744696U
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- steel bushing
- oil pocket
- outer ring
- shaft coupling
- ring
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Abstract
The utility model relates to a kind of disassembling fixtures of shaft coupling.The disassembling fixture of shaft coupling described in the utility model includes: including cover board, oil pocket steel bushing, expand outer ring, multiple jacking blocks and positioning ring, the oil pocket steel bushing is stair-stepping ring structure, the expansion outer ring is the ring structure that section is " C " font, the expansion outer ring is socketed on the oil pocket steel bushing, and the expansion outer ring and the oil pocket steel bushing form circular cylinder structure, and it is formed with oiling chamber, the positioning ring is socketed on the oil pocket steel bushing, multiple jacking blocks are sequentially connected and are looped around on the oil pocket steel bushing, the positioning ring abuts with the jacking block and supports the jacking block；The cover plate lid is located on the oil pocket steel bushing and the expansion outer ring, and the cover board is connect with the oil pocket steel bushing.The disassembling fixture of shaft coupling described in the utility model has the advantages that not destroy spring leaf.
Description
Technical field
The utility model relates to a kind of toolings, more particularly to a kind of disassembling fixture of shaft coupling.
Background technique
To the special shafting structure that double-propeller structure is a kind of ship is turned, the axis or paddle structure are claimed in shipbuilding industry
Make CRP system, CRP propeller system is a kind of twin screw of high energy efficiency to rotatory force device, two propeller is arranged in
On one concentric interior outer shaft, direction of rotation is on the contrary, inner shaft and outer shaft transmission structures are extremely complex；Then host passes through axis
Frenulum moves double helix rotation.Since such shafting structure is extremely complex, maintenance is applied for checking and examination difficulty, especially shaft coupling as vulnerable part,
How quickly and effectively the component to be dismantled from marine shafting, and it is a complexity and difficult for transporting to workshop internal field to place under repair
Engineering, therefore the enterprise for grasping the repairing technology is few.
In general, removing shaft coupling is that outer grip big propeller is fixed by bandage on the quarter first, prevents wave
Etc. causing shafting rotation to influence engine room inside operation, it is then return to cabin and opens oil distribution shaft and hold and intermediate bearing, hang out oil distribution shaft,
Shaft coupling is split out again.Twin screw is being repaired and is being in the seawater outside cabin cabin in disassembly process, and seawater can impact paddle
Leaf will result in the rotation of the twin screw blade of shafting if do not fixed to inner shaft and outer shaft during dismantling shafting,
To drive shafting to rotate, just it can not be dismantled and be repaired.Also, it if twin screw is rotated in disassembly, will damage
Component in shafting, especially shaft coupling.
Entire shafting mainly include oil distribution shaft, oil distributor, shaft coupling, twin screw and the twin-propeller inner shaft of connection,
The structures such as outer shaft.Shaft coupling is as a connection structure in shafting, including shaft coupling outer ring, multiple fixed blocks, multiple springs
Piece and fixed plate, multiple fixed blocks and multiple spring leaf intervals set gradually and surround ring structure, then multiple fixed blocks
It is set in shaft coupling outer ring with multiple spring leafs, fixed plate is connect by bolt with fixed block, to support fixed block.Spring leaf
The space between two fixed blocks is placed into the case where squeezing contraction state, spring leaf is in compressive state.
In existing shaft coupling maintenance craft, spring leaf is taken out generally by percussion spring leaf or passes through hydraulic pressure oil overhold
Ejector spring piece, the use of these devices are easily destroyed the inner surface of shaft coupling outer ring, while being also easily damaged spring leaf, belong to
Destructiveness dismantling.
Utility model content
Based on this, the purpose of the utility model is to provide a kind of disassembling fixtures of shaft coupling, have and do not destroy spring
The advantages of piece.
A kind of disassembling fixture of shaft coupling, comprising: cover board, oil pocket steel bushing, expansion outer ring, multiple jacking blocks and positioning ring.
The oil pocket steel bushing is stair-stepping ring structure, and the expansion outer ring is the ring structure that section is " C " font, the expansion
Outer ring is socketed on the oil pocket steel bushing, and the expansion outer ring and the oil pocket steel bushing form circular cylinder structure, and shape
At there is oiling chamber, the positioning ring is socketed on the oil pocket steel bushing, and multiple jacking blocks are sequentially connected and are looped around the oil
On chamber steel bushing, the positioning ring abuts with the jacking block and supports the jacking block；The cover plate lid be located at the oil pocket steel bushing and
On the expansion outer ring, and the cover board is connect with the oil pocket steel bushing.
Oil filler point is offered on the oil pocket steel bushing, which is connected to the oiling chamber；It is opened on the cover board
Equipped with oil guiding hole, which is connected to the oil filler point.The wall thickness of the oil pocket steel bushing is big compared with the wall thickness of the expansion outer ring,
To prevent breaking under high pressures；The thickness of the cover board is big compared with the wall thickness of the expansion outer ring, to protect the expansion outer ring and prevent
Leak-stopping oil.
The disassembling fixture of shaft coupling described in the utility model, by oil filler point toward the intracavitary injection high pressure oil of oiling, thus
So that the intracavitary pressure of oiling increases and expands to expansion outer ring, due to expansion outer ring wall thickness compared with oil pocket steel bushing wall thickness
It is much smaller, outer ring and oil pocket steel bushing are expanded in the case where bearing same pressure, expand the deformation quantity of outer ring compared with oil pocket steel bushing
Deformation quantity is with regard to much larger；To which the expansion for expanding outer ring is obvious.The deformation of outer ring is expanded, so that jacking block expands outward, jacking block will
Fixed block expands outward, and in the expansion process of fixed block, spring leaf is not connect with jacking block, and shape does not also just occur for spring leaf
Become, to generate gap between fixed block and spring leaf, spring leaf is just easily taken out.In the process of expansion outer ring expansion
In, cover board covers always and compresses expansion outer ring, to guarantee that the intracavitary high pressure oil of oiling does not leak.
Further, the section of the positioning ring is the step-like cylinder of "convex" shaped, and the oil pocket steel bushing is socketed in institute
It states in positioning ring, and is connected on the step surface of the positioning ring.In use, positioning ring is connected to oil pocket steel bushing and fixed plate
Between, and oil pocket steel bushing is placed on the step surface of the inner ring of positioning ring, and fixed plate is placed on the step of the outer ring of positioning ring
On face.When the setting of positioning ring can guarantee that shaft coupling is connect with this disassembling fixture, axial line and this disassembling fixture of shaft coupling
Axial line centering；And positioning ring plays the role of supporting shaft coupling, protects the end face of fixed plate not frayed.
It further, further include multiple first cushion blocks, first cushion block is one by one around the upper end for being placed on the positioning ring
Face, to supplement the height of positioning ring.Due to the factor of machining accuracy, when positioning ring and jacking block assemble, it is impossible to guarantee fabulous
The first cushion block is arranged in assembly relation, supplements the distance between positioning ring and jacking block, can be more neat when jacking block assembles.Assembly connection
In the state of joint, there is certain gap between the first cushion block and oil pocket steel bushing, pressurize deformation when, jacking block expands and makes first
Deformation occurs for cushion block, this gap provides for the deformation space of the first cushion block at this time, and then guarantees the shape invariance of cover board.
It further, further include tool base plate and the second cushion block, the tool base plate is connected and supported with the positioning ring
The positioning ring, second cushion block are placed on the surrounding of the tool base plate, are used to support shaft coupling.Tool base plate is for putting
Positioning ring is set, the position of positioning ring is increased；Second cushion block plays the role of supporting fixed plate, increases the support of fixed plate
Face.
Further, the jacking block is the cylinder that section is "convex" shaped, and the top and bottom of "convex" shaped cylinder
It is arc surface；The jacking block splicing and middle part formation of two "convex" shapeds are recessed, and the recess is for accommodating shaft coupling
Spring leaf.This structure feature of jacking block, so that the top surface of jacking block squeezes fixed block, fixed block expansion when jacking block expansion；And
Although recess also expands together, expansion successor so has certain interval between spring leaf.In this way, fixed block deformation expansion,
And spring leaf is indeformable, and certain gap will be generated between spring leaf and fixed block, can easily take out spring leaf.
Further, the side protrusion of the cover plate lid said intumescent outer ring and the expansion outer ring, and the lid
Gap between plate lid said intumescent outer ring and the oil pocket steel bushing；To preferably prevent expansion outer ring and oil pocket steel bushing it
Between gap location oil leak, play sealing function.
At least one closure gasket groove is offered on the cover board, and is provided with sealing ring in the closure gasket groove, this is close
The junction with the expansion outer ring is arranged in seal ring slot.Sealing ring is set, the sealing for expanding outer ring can be reinforced, prevents expansion outer
The leakage of ring and cover board joint face.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the half sectional view of the disassembling fixture of the shaft coupling of the utility model；
Fig. 2 is the enlarged drawing of partial structurtes I；
Fig. 3 is the use state half sectional view of the disassembling fixture of the shaft coupling of the utility model；
Fig. 4 is the connection status top view of shaft coupling and jacking block.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
Such as a kind of disassembling fixture of shaft coupling of Fig. 1, comprising: cover board 10, oil pocket steel bushing 20, expansion outer ring 30, Duo Geding
Block 40, multiple first cushion blocks 50, tool base plate 70, the second cushion block 80 and positioning ring 60.The oil pocket steel bushing 20 is ladder-like
Ring structure, the expansion outer ring 30 be section for the ring structure of " C " font, and the expansion outer ring 30 is socketed in the oil
On chamber steel bushing 20, and the expansion outer ring 30 and the oil pocket steel bushing 20 form circular cylinder structure, and are formed with oiling chamber,
The positioning ring 60 is socketed on the oil pocket steel bushing 20, and multiple jacking blocks 40 are sequentially connected and are looped around the oil pocket steel bushing
On 20, the positioning ring 60 abuts with the jacking block 40 and supports the jacking block 40；The lid of cover board 10 is located at the oil pocket steel
On set 20 and the expansion outer ring 30, and the cover board 10 is connect with the oil pocket steel bushing 20.First cushion block 50 ring one by one
Around the upper surface for being placed on the positioning ring 60, to supplement the height of positioning ring 60.
The tool base plate 70 connects and supports the positioning ring 60 with the positioning ring 60, and second cushion block 80 is placed
In the surrounding of the tool base plate 70, it is used to support shaft coupling.
Oil filler point is offered on the oil pocket steel bushing 20, which is connected to the oiling chamber；In the cover board 10
On offer oil guiding hole, which is connected to the oil filler point.The wall thickness D1 of the oil pocket steel bushing 20 is the expansion outer ring
10-100 times of 30 wall thickness D2, to prevent breaking under high pressures；The thickness D3 of the cover board 10 is the wall of the expansion outer ring 30
10-100 times of thick D2, to protect the expansion outer ring 30 and prevent oil leak.Specifically, the wall thickness D1 of the oil pocket steel bushing 20 is
Refer to the wall thickness for the part of oil pocket steel bushing 20 being socketed with expansion outer ring 30, this part-structure of the oil pocket steel bushing and the expansion
Outer ring connects and forms the oiling chamber, and therefore, high pressure oil can act directly on this part-structure on oil pocket steel bushing, and make
Obtain the expansion of oil pocket steel bushing.Such as Fig. 1, when the several times for the wall thickness D2 that the wall thickness D1 of the oil pocket steel bushing 20 is the expansion outer ring 30
When, it could make in the case where same pressure, deformation quantity of the expansion deformation quantity much smaller than expansion outer ring of oil pocket steel bushing,
It can guarantee that entire shaft coupling is expanded towards axial line outwardly direction.
The section of the positioning ring 60 is the step-like cylinder of "convex" shaped, and the oil pocket steel bushing 20 is socketed in the positioning
In ring 60, and it is connected on the step surface of the positioning ring 60.
The jacking block 40 is the cylinder that section is "convex" shaped, and the top and bottom of "convex" shaped cylinder are circular arc
Face；The jacking block 40 of two "convex" shapeds splices and middle part forms recess, which is used to accommodate the spring leaf of shaft coupling
92。
The side protrusion of the 10 lid said intumescent outer ring 30 of cover board and the expansion outer ring 30, and the cover board 10
Gap between lid said intumescent outer ring 30 and the oil pocket steel bushing 20.Such as Fig. 2, at least one is offered on the cover board 10
A closure gasket groove 11, and be provided with sealing ring in the closure gasket groove 11, the closure gasket groove 11 setting with the expansion outer ring
30 junction.It is provided with seal groove 21 on the oil pocket steel bushing 20, which is arranged in the top surface of oil pocket steel bushing simultaneously
And be located at at the abutting of cover board 10, it is provided with sealing ring in seal groove 21, to reinforce the sealing of cover board Yu oil pocket steel bushing.
The working principle of the disassembling fixture of the shaft coupling of the utility model:
Such as Fig. 3 and Fig. 4, shaft coupling is socketed on the disassembling fixture of the utility model, fixed block 94 is connected to jacking block
Fixed plate 93 is socketed on positioning ring 60 by 40 top surface, and the second cushion block 80 is supported at the outer circle of fixed plate 93.It will be high
Press pump is connect with oil guiding hole, and high pressure oil is imported in oil guiding hole, and then it is most laggard from oil guiding hole to flow through oil filler point for high pressure oil
It is intracavitary to enter oiling.The oil pressure that high pressure oil persistent pressure makes oiling intracavitary persistently increases, and oil pressure increases so that expansion 30 He of outer ring
Oil pocket steel bushing 20 expands, and the wall thickness for expanding outer ring 30 is relatively thin, and swell increment is significantly greater than the swell increment of oil pocket steel bushing 20；It is expanding
During 30 dilatancy of outer ring, cover board 10 pushes down expansion outer ring 30 and prevents the oil leakage in expansion outer ring 30.Expansion is outer
30 dilatancy of ring simultaneously squeezes the expansion of jacking block 40, and jacking block 40 expands fixed block 94.Fixed block 94 expands, and finally makes
It obtains shaft coupling outer ring 91 to expand, in this way, shaft coupling whole (except spring leaf) will entirely swell in the state expanded in addition to circle.
And in expansion process, spring leaf 92 is indeformable, to just easily be taken out spring leaf 92 by magnetic, takes out in this way
Spring leaf 92 is complete, can reuse.
During entire hydraulic buckling, the accurate of the centering of structure is kept, just can guarantee along each of axial line
The pressure in a direction is consistent, thus the stress equalization of each fixed block 94；And the placement of centering effect and positioning ring 60 therein
There are much relations.
The disassembling fixture of the shaft coupling of the utility model can guarantee that spring leaf 92 is indeformable when dismantling shaft coupling, will not
Damage, ensure that the integrality of spring leaf 92 to a greater extent.And disassembly process is simple, shaft coupling and disassembling fixture connection side
Just.
A kind of method for dismounting of shaft coupling, is arranged the disassembling fixture of shaft coupling described above；
By multiple jacking blocks 40 one by one around being placed on hydraulic buckling device outer wall, shaft coupling is socketed in multiple jacking blocks 40
In the ring structure surrounded, and positioning ring 60 is placed between hydraulic buckling device and shaft coupling, positioning ring 60 is to protect
Demonstrate,prove the centering of shaft coupling；
By oil filler point toward the intracavitary injection high pressure oil of oiling, lasting to be pressurized, the protrusion of the expansion of jacking block 40 and jacking block 40 will
Fixed block 94 expands greatly, and the recess portion of jacking block 40 will not touch spring leaf 92 there are sufficiently large gap and during expansion.
When fixed block 94 swells to generating certain gap between fixed block 94 and spring leaf 92, and gap reaches 1mm
When~1.5mm, stop to the intracavitary pressurization of oiling；Then spring leaf 92 is taken out by way of magnetic.Take out spring leaf 92 it
Afterwards to hydraulic buckling device pressure release.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (7)
1. a kind of disassembling fixture of shaft coupling, it is characterised in that: including cover board, oil pocket steel bushing, expansion outer ring, multiple jacking blocks and
Positioning ring, the oil pocket steel bushing are stair-stepping ring structure, and the expansion outer ring is the ring structure that section is " C " font,
The expansion outer ring is socketed on the oil pocket steel bushing, and the expansion outer ring and the oil pocket steel bushing form circular cylinder knot
Structure, and it is formed with oiling chamber, the positioning ring is socketed on the oil pocket steel bushing, and multiple jacking blocks are sequentially connected and are looped around
On the oil pocket steel bushing, the positioning ring abuts with the jacking block and supports the jacking block；The cover plate lid is located at the oil pocket
On steel bushing and the expansion outer ring, and the cover board is connect with the oil pocket steel bushing；
Oil filler point is offered on the oil pocket steel bushing, which is connected to the oiling chamber；It is offered on the cover board
Oil guiding hole, the oil guiding hole are connected to the oil filler point；
The wall thickness of the oil pocket steel bushing is big compared with the wall thickness of the expansion outer ring；The wall of the thickness of the cover board expansion outer ring
It is thick big.
2. the disassembling fixture of shaft coupling according to claim 1, it is characterised in that: the section of the positioning ring is " convex " word
The step-like cylinder of shape, the oil pocket steel bushing is socketed in the positioning ring, and is connected on the step surface of the positioning ring.
3. the disassembling fixture of shaft coupling according to claim 2, it is characterised in that: further include multiple first cushion blocks, this
One cushion block is one by one around the upper surface for being placed on the positioning ring, to supplement the height of positioning ring.
4. the disassembling fixture of shaft coupling according to claim 3, it is characterised in that: further include tool base plate and the second pad
Block, the tool base plate and the positioning ring connect and support the positioning ring, and second cushion block is placed on the tooling bottom
The surrounding of plate, is used to support shaft coupling.
5. the disassembling fixture of shaft coupling according to claim 4, it is characterised in that: the jacking block is that section is "convex" shaped
Cylinder, and the top and bottom of "convex" shaped cylinder are arc surface；The jacking block splicing of two "convex" shapeds and
Middle part forms recess, which is used to accommodate the spring leaf of shaft coupling.
6. the disassembling fixture of shaft coupling according to claim 5, it is characterised in that: the cover plate lid said intumescent outer ring
And it is more described expansion outer ring side protrusion, and between the cover plate lid said intumescent outer ring and the oil pocket steel bushing between
Gap.
7. the disassembling fixture of shaft coupling according to claim 5, it is characterised in that: offer at least one on the cover board
A closure gasket groove, and it is provided with sealing ring in the closure gasket groove, which is arranged in the connection with the expansion outer ring
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471789.9U CN208744696U (en) | 2018-09-07 | 2018-09-07 | A kind of disassembling fixture of shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821471789.9U CN208744696U (en) | 2018-09-07 | 2018-09-07 | A kind of disassembling fixture of shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208744696U true CN208744696U (en) | 2019-04-16 |
Family
ID=66083702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821471789.9U Active CN208744696U (en) | 2018-09-07 | 2018-09-07 | A kind of disassembling fixture of shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208744696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972447A (en) * | 2018-09-07 | 2018-12-11 | 广州中船文冲船坞有限公司 | A kind of disassembling fixture of shaft coupling and the method for dismounting of shaft coupling |
-
2018
- 2018-09-07 CN CN201821471789.9U patent/CN208744696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108972447A (en) * | 2018-09-07 | 2018-12-11 | 广州中船文冲船坞有限公司 | A kind of disassembling fixture of shaft coupling and the method for dismounting of shaft coupling |
| CN108972447B (en) * | 2018-09-07 | 2024-03-26 | 广州文冲船舶修造有限公司 | Dismounting tool and dismounting method of coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191230 Address after: 511462 building 6, No. 2, No. 10, QIHANG Road, Nansha District, Guangzhou City, Guangdong Province (production management building and auxiliary building of electromechanical comprehensive workshop) (office only) Patentee after: Guangzhou Wenchong Shipbuilding Co., Ltd Address before: 511462 No. 10, sailing Road, Nansha District, Guangdong, China, No. 1, 4 (office building), written by myself, Guangzhou Patentee before: The boat in Guangzhou Wenchong Dock Company Limited |