CN205600628U - Super large specification stern -tube bearing's on --spot dismounting device - Google Patents
Super large specification stern -tube bearing's on --spot dismounting device Download PDFInfo
- Publication number
- CN205600628U CN205600628U CN201620315208.7U CN201620315208U CN205600628U CN 205600628 U CN205600628 U CN 205600628U CN 201620315208 U CN201620315208 U CN 201620315208U CN 205600628 U CN205600628 U CN 205600628U
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- cover plate
- hole
- regulation
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- mental activities
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Abstract
The utility model relates to a super large specification stern -tube bearing's on - -spot dismounting device, dismantle apron, sleeve, hydraulic stretching ware, aligning backing plate, lead screw and lock nut around including, sleeve diameter is greater than the external diameter of being torn open stern -tube bearing, and preceding dismantlement apron is equipped with the through -hole in sleeve front end, preceding dismantlement apron central authorities, and the hydraulic stretching ware is located to dismantle in the front and laps, dismantles the through -hole of apron and the tensile hole of hydraulic stretching ware before the lead screw passes through, and its front end is furnished with lock nut, the diameter of aligning backing plate is less than the internal diameter of being torn open stern -tube bearing, and the center is equipped with the aligning frustum, and the center of aligning frustum is equipped with the through -hole that matches with the lead screw, and the diameter that the apron was dismantled to the back is less than the internal diameter of bearing frame and is greater than the internal diameter of being torn open stern -tube bearing, and the back is dismantled the apron and is equipped with the central through hole, and the other end of lead screw passes through the central through hole of dismantling the apron in the back, stretches out the back by aligning frustum central through hole, and its front end is furnished with lock nut.
Description
Technical field
This utility model relates to a kind of bearing field stripping device, the field stripping device of a kind of super large-scale stern tube bearing.
Background technology
The effect of stern tube bearing is the axle system lubrication rotated and supports, and owing to bearing heavier load for a long time and being operated in marine operating mode badly, needs regularly to overhaul stern tube bearing and change.
Development along with science and technology, the tonnage of boats and ships improves constantly, from the point of view of super large marine, the specification of stern pipe the most gradually maximizes, for the stern tube bearing of big specification, owing to bearing coordinates face length to spend length with bearing block, stern length of tube is typically more than ten meters, and the endoporus of bearing is also not enough to provide people to carry out prerequisite construction space during conventional maintenance, almost without the excess room that can take part in operation in the narrowest and small cabin.Dismantling this super large-scale stern tube bearing at present, typically use and beat screw on bearing, the method then firmly pulled out by pulling equipment, this method for dismounting is the most countershaft manufactures into the damage being difficult to repair, and does not notes, also can injure bearing block when beating screw.Therefore do not have effective dismounting bearing arrangement and method at the on-the-spot stern pipe for big specification of dock at present.
Utility model content
The purpose of this utility model is: be difficult to operate to small space present in super large-scale stern tube bearing unloading process for people, and play screw traction and bearing can be caused to repair, even unloading process may injure the series of problems such as bearing block, it is provided that the field stripping device of a kind of super large-scale stern tube bearing and application thereof.
The purpose of this utility model is achieved in that the field stripping device of a kind of super large-scale stern tube bearing, including front and back dismantling cover plate, sleeve, hydraulic elongator, regulation of mental activities backing plate, leading screw and locking nut, it is characterized in that: the internal diameter of described sleeve is more than the external diameter of split stern tube bearing, front dismounting cover plate covers in barrel forward end, front dismounting cover plate central authorities are provided with the through hole mated with leading screw, hydraulic elongator is dismantled on cover plate before being seated in, central through hole and the stretchable holes of hydraulic elongator of cover plate is dismantled in one end of leading screw before passing through, its front end is furnished with locking nut；The diameter of described regulation of mental activities backing plate is less than the internal diameter of split stern tube bearing, the center of regulation of mental activities backing plate is provided with regulation of mental activities frustum, the vertex of a cone of regulation of mental activities frustum is equal to the diameter of screw mandrel, the center of regulation of mental activities frustum is provided with the through hole mated with leading screw, after described, dismounting cover plate is for standard round, its diameter internal diameter less than bearing block and the internal diameter more than split stern tube bearing, the outer rim corner angle of its front-back are knuckle, rear dismounting cover plate is provided with central through hole, at the bottom of the diameter of the central through hole vertex of a cone more than regulation of mental activities frustum and the cone less than regulation of mental activities frustum, the central through hole bead that rear dismounting cover plate is adjacent with regulation of mental activities backing plate is provided with the chamfering mated with regulation of mental activities frustum tapering, the other end of leading screw dismantles the central through hole of cover plate after passing through, after being stretched out by regulation of mental activities frustum central through hole, its front end is furnished with locking nut.
In this utility model: on described locking nut at least provided with a pair on same lifting screw diametrically, described front dismounting cover plate and rear dismounting cover plate at least provided with a pair at same adjustment screw diametrically.
In this utility model: the end of the base of hydraulic elongator, front dismounting cover plate and sleeve is solidified as a whole, the stretchable holes of hydraulic elongator, the through hole of front dismounting cover plate central are respectively positioned on the axis of sleeve.
In this utility model: described split stern tube bearing is sliding bearing, described after dismounting cover plate be the kidney-shaped plate formed after the lateral symmetry of standard round cuts one section of camber line, the outer wall of described sleeve is provided with equally distributed reinforcement.
nullA kind of application of above-mentioned field stripping device，It is characterized in that，First by rear dismounting cover plate、Regulation of mental activities cushion block and locking nut are arranged on one end of leading screw，Then tilt to make its diameter have angle with leading screw axis by rear dismounting cover plate，The most slowly it is filled in split stern tube shaft bearing bore，After passing through the split stern tube bearing other end，Dismantle cover plate after righting and make it push against split stern tube bearing end face，Pull leading screw make regulation of mental activities backing plate regulation of mental activities frustum the vertex of a cone embed after dismantle cover plate central through hole chamfering，Then leading screw it is sleeved on successively by sleeve and by the centre bore of front dismounting cover plate and the stretchable holes of hydraulic elongator，Sleeve is positioned the bearing block outer rim of split stern tube bearing front end，And tightened up by locking nut，Before making, dismounting cover plate and hydraulic elongator position successively，The regulation of mental activities frustum tightening up rear regulation of mental activities backing plate will dismantle cover plate central through hole after embedding，Leading screw is positioned at the axis of split stern tube bearing；Start hydraulic elongator, dismantle cover plate anterior displacement after being drawn by leading screw and locking nut, order about split stern tube bearing end face and remove from bearing block.
In the application of described field stripping device, the lifting screw of described locking nut configuration hoisting ring or long bolt, as force application arm when they are respectively used to tighten up the Heave Here of suspension hook or the locking nut of front end when front and back dismantling cover plate location operation；Adjustment screw on described front dismounting cover plate and rear dismounting cover plate is furnished with screw rod, as auxiliary handle when righting or positioning action.
The utility model has the advantage of: owing to super large-scale stern length of tube is typically more than ten meters, rear dismounting cover plate is used the kidney-shaped plate that the lateral symmetry of standard round is formed after cutting one section of camber line by this utility model, the outer rim corner angle of its front-back are knuckle, and central through hole is for leading screw diameter, after in using, dismounting cover plate can tilt, make its diameter have angle with leading screw axis, such that it is able to stretch in bearing from bearing block front end, and will not excessively collide with and injure bearing inner wall.
Of the present utility model it is also advantageous in that: due to configuration regulation of mental activities backing plate, in backing plate, the vertex of a cone of regulation of mental activities frustum is equal to the diameter of screw mandrel with one heart, the center of regulation of mental activities frustum is provided with the through hole mated with leading screw, rear dismounting cover plate is provided with central through hole, at the bottom of the diameter of the central through hole vertex of a cone more than regulation of mental activities frustum and the cone less than regulation of mental activities frustum, the central through hole bead that rear dismounting cover plate is adjacent with regulation of mental activities backing plate is provided with the chamfering mated with regulation of mental activities frustum tapering, the central through hole of cover plate just can be dismantled after embedding by screwing locking nut regulation of mental activities boss, the center of cover plate is dismantled after being accurately positioned at by leading screw.Regulation of mental activities backing plate is as the liner of rear dismounting cover plate simultaneously, it is also possible to dismantle the intensity of cover plate after increase.The outer wall of sleeve is provided with equally distributed reinforcement and also improves the intensity of sleeve.
Of the present utility model it is also advantageous in that, bearing in the face of dismounting super large-scale stern pipe, the own weight of device related to is bigger, the locking nut at two ends is provided with lifting screw, hoisting ring i.e. can be installed as lifting eye, again can be as the installing hole of force application arm when being screwed into leading screw, it is simple in being used this device by locking nut, the concrete station of each parts is accurately positioned.
Of the present utility model being also advantageous in that, in view of above-mentioned measure, it is ensured that in unloading process, pull strength is positioned at the central axis of split stern tube bearing, the release power that bearing is subject to is very uniform, and bearing and bearing block will not be caused the damage being difficult to repair.This utility model compact conformation, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
Fig. 3 dismantles the structural representation of cover plate embodiment after being.
In figure: 1, reinforcement, 2, hydraulic elongator, 3, front dismounting cover plate, 4, sleeve, 5, bearing block, 6, split stern tube bearing, 7, cover plate is dismantled afterwards, 8, regulation of mental activities backing plate, 9, locking nut, 10, leading screw, 11, backhaul hydraulic fluid port, 12, process hydraulic fluid port, 13, knuckle, 14, lifting screw, 15, chamfering, 16, adjust screw.
Detailed description of the invention
The nonrestrictive concrete structure disclosing this utility model embodiment of accompanying drawing, the utility model will be further described below in conjunction with the accompanying drawings.
From Fig. 1 and Fig. 2, split stern tube bearing 6 described in the utility model is sliding bearing.This utility model dismantles cover plate 3, rear dismounting cover plate 7, sleeve 4, hydraulic elongator 2, regulation of mental activities backing plate 8, leading screw 10 and locking nut 9 before including, wherein, the internal diameter of described sleeve 4 is more than the external diameter of split stern tube bearing 6, front dismounting cover plate 3 covers in sleeve 4 front end, front dismounting cover plate 3 central authorities are provided with the through hole mated with leading screw 10, hydraulic elongator 2 is dismantled on cover plate 3 before being seated in, central through hole and the stretchable holes of hydraulic elongator 2 of cover plate 3 is dismantled in one end of leading screw 10 before passing through, its front end is furnished with locking nut 9；The diameter of described regulation of mental activities backing plate 8 is less than the internal diameter of split stern tube bearing 6, the center of regulation of mental activities backing plate 8 is provided with regulation of mental activities frustum, the vertex of a cone of regulation of mental activities frustum is equal to the diameter of screw mandrel 10, the center of regulation of mental activities frustum is provided with the through hole mated with leading screw 10, after described, dismounting cover plate 7 is for standard round, its diameter internal diameter less than bearing block 5 and the internal diameter more than split stern tube bearing 6, the outer rim corner angle of its front-back are knuckle 13, rear dismounting cover plate 7 is provided with central through hole, at the bottom of the diameter of the central through hole vertex of a cone more than regulation of mental activities frustum and the cone less than regulation of mental activities frustum, the central through hole bead that rear dismounting cover plate is adjacent with regulation of mental activities backing plate 8 is provided with the chamfering 15 mated with regulation of mental activities frustum tapering, the other end of leading screw 10 dismantles the central through hole of cover plate 7 after passing through, after being stretched out by regulation of mental activities frustum central through hole, front end is furnished with locking nut 9.Containing process hydraulic fluid port 12 and backhaul hydraulic fluid port 11 on hydraulic elongator 2.
In the present embodiment: on described locking nut 9 at least provided with a pair on same lifting screw 14 diametrically, described front dismounting cover plate and rear dismounting cover plate at least provided with a pair at same adjustment screw 16 diametrically.The outer wall of described sleeve 4 is provided with equally distributed reinforcement 1.
When being embodied as: can be solidified as a whole the end of the base of hydraulic elongator 2, front dismounting cover plate 3 and sleeve 4, the stretchable holes of hydraulic elongator 2, the through hole at front dismounting cover plate 3 center are respectively positioned on the axis of sleeve 4.
As seen from Figure 3.Dismantling the kidney-shaped plate formed after the lateral symmetry that cover plate 7 is standard round cuts one section of camber line after described, the central through hole in the face that rear dismounting cover plate is adjacent with regulation of mental activities backing plate 8 is additionally provided with chamfering 15, and it is diametrically provided with adjustment screw 16, and outer rim corner angle are knuckle 13.
nullIn use of the present utility model: first by rear dismounting cover plate 7、Regulation of mental activities cushion block 8 and locking nut 9 are arranged on one end of leading screw 10，Then tilt to make its diameter have angle with leading screw 10 axis by rear dismounting cover plate 7，The most slowly it is filled in split stern tube bearing 6 hole，After passing through split stern tube bearing 6，Dismantle cover plate 7 after righting and make it push against split stern tube bearing 6 end face，Pull leading screw 10 make regulation of mental activities backing plate 8 regulation of mental activities frustum the vertex of a cone embed after dismantle cover plate 7 central through hole chamfering 15，Then it is sleeved on successively on leading screw 10 by sleeve 4 and by the centre bore of front dismounting cover plate 3 and the stretchable holes of hydraulic elongator 2，Sleeve 4 is positioned the outer rim of the bearing block 5 of split stern tube bearing 6 front end，And tightened up by locking nut 9，Before making, dismounting cover plate 3 and hydraulic elongator 2 position successively，The regulation of mental activities frustum tightening up rear regulation of mental activities backing plate 8 will dismantle cover plate 7 central through hole after embedding，Leading screw 10 is positioned at the axis of split stern tube bearing 6；Start hydraulic elongator 2, dismantle cover plate 7 anterior displacement after being drawn by leading screw 10 and locking nut 9, order about split stern tube bearing 6 end face and remove from bearing block 5.
In using, the lifting screw of described locking nut 10 can configure hoisting ring, the Heave Here of suspension hook in time positioning front dismounting cover plate 3 and rear dismounting cover plate 7, or configuration long bolt, as force application arm when the locking nut 9 in front end tightens up operation.Adjustment screw on described front dismounting cover plate 3 and rear dismounting cover plate 7 can configure screw rod, as the auxiliary handle when righting of rear dismounting cover plate 7 or front dismounting cover plate 3 positioning action.
Claims (4)
1. the field stripping device of a super large-scale stern tube bearing, including front and back dismantling cover plate, sleeve, hydraulic elongator, regulation of mental activities backing plate, leading screw and locking nut, it is characterized in that: the internal diameter of described sleeve is more than the external diameter of split stern tube bearing, front dismounting cover plate covers in barrel forward end, front dismounting cover plate central authorities are provided with the through hole mated with leading screw, hydraulic elongator is dismantled on cover plate before being seated in, central through hole and the stretchable holes of hydraulic elongator of cover plate is dismantled in one end of leading screw before passing through, its front end is furnished with locking nut；The diameter of described regulation of mental activities backing plate is less than the internal diameter of split stern tube bearing, the center of regulation of mental activities backing plate is provided with regulation of mental activities frustum, the vertex of a cone of regulation of mental activities frustum is equal to the diameter of screw mandrel, the center of regulation of mental activities frustum is provided with the through hole mated with leading screw, after described, dismounting cover plate is for standard round, its diameter internal diameter less than bearing block and the internal diameter more than split stern tube bearing, the outer rim corner angle of its front-back are knuckle, rear dismounting cover plate is provided with central through hole, at the bottom of the diameter of the central through hole vertex of a cone more than regulation of mental activities frustum and the cone less than regulation of mental activities frustum, the central through hole bead that rear dismounting cover plate is adjacent with regulation of mental activities backing plate is provided with the chamfering mated with regulation of mental activities frustum tapering, the other end of leading screw dismantles the central through hole of cover plate after passing through, after being stretched out by regulation of mental activities frustum central through hole, its front end is furnished with locking nut.
The field stripping device of super large-scale stern tube bearing the most according to claim 1, it is characterized in that, on described locking nut at least provided with a pair on same lifting screw diametrically, described front dismounting cover plate and rear dismounting cover plate at least provided with a pair at same adjustment screw diametrically.
The field stripping device of super large-scale stern tube bearing the most according to claim 1, it is characterized in that, the end of the base of hydraulic elongator, front dismounting cover plate and sleeve is solidified as a whole, and the stretchable holes of hydraulic elongator, the through hole of front dismounting cover plate central are respectively positioned on the axis of sleeve.
4. according to the field stripping device of the super large-scale stern tube bearing one of claim 1-3 Suo Shu, it is characterized in that, described split stern tube bearing is sliding bearing, dismantling the kidney-shaped plate formed after the lateral symmetry that cover plate is standard round cuts one section of camber line after described, the outer wall of described sleeve is provided with equally distributed reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315208.7U CN205600628U (en) | 2016-04-15 | 2016-04-15 | Super large specification stern -tube bearing's on --spot dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620315208.7U CN205600628U (en) | 2016-04-15 | 2016-04-15 | Super large specification stern -tube bearing's on --spot dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205600628U true CN205600628U (en) | 2016-09-28 |
Family
ID=56973080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620315208.7U Withdrawn - After Issue CN205600628U (en) | 2016-04-15 | 2016-04-15 | Super large specification stern -tube bearing's on --spot dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205600628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729385A (en) * | 2016-04-15 | 2016-07-06 | 南京高精船用设备有限公司 | On-site dismounting device for oversized-specification stern tube bearing and application of on-site dismounting device |
| CN109895022A (en) * | 2017-12-07 | 2019-06-18 | 中冶宝钢技术服务有限公司 | A kind of dismounting of rolling mill main motor safety pin and replacing options |
-
2016
- 2016-04-15 CN CN201620315208.7U patent/CN205600628U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729385A (en) * | 2016-04-15 | 2016-07-06 | 南京高精船用设备有限公司 | On-site dismounting device for oversized-specification stern tube bearing and application of on-site dismounting device |
| CN105729385B (en) * | 2016-04-15 | 2017-10-03 | 南京高精船用设备有限公司 | The field stripping device of super large-scale stern tube bearing and its application |
| CN109895022A (en) * | 2017-12-07 | 2019-06-18 | 中冶宝钢技术服务有限公司 | A kind of dismounting of rolling mill main motor safety pin and replacing options |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20171003 |