CN109437017B - A kind of guide device for screw shaft of ship lifting - Google Patents
A kind of guide device for screw shaft of ship lifting Download PDFInfo
- Publication number
- CN109437017B CN109437017B CN201811230662.2A CN201811230662A CN109437017B CN 109437017 B CN109437017 B CN 109437017B CN 201811230662 A CN201811230662 A CN 201811230662A CN 109437017 B CN109437017 B CN 109437017B
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- CN
- China
- Prior art keywords
- upright bar
- screw shaft
- ship
- guide device
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The present invention relates to ship equipment mounting technique fields, it discloses a kind of guide devices for screw shaft of ship lifting, upright bar including a pair of of vertical, the upright bar includes left upright bar and right upright bar, the left upright bar, the lower end of right upright bar is separately fixed on bottom plate, the left upright bar, a pair is respectively arranged in right upright bar can rotate around the axis of upright bar and be elastic inflated tire that is inflatable and shrinking, the elastic inflated tire is in the left upright bar, it is arranged respectively according to upper and lower position in right upright bar, the axially directed space for screw shaft of ship lifting is formed between elastic inflated tire described in four.The present invention can make screw shaft of ship accurately stably enter stern pipe when lifting, prevent stern tube shaft lifting when play or shaking and damage stern pipe, thus realize high quality stern tube shaft lifting, and improve stern tube shaft lifting efficiency.
Description
Technical field
The present invention relates to ship equipment mounting technique fields, and in particular to a kind of guidance dress for screw shaft of ship lifting
It sets.
Background technique
The stern pipe of large-scale bulk freighter is usually single-bearing design, is installed to the construction stage of stern pipe in stern tube shaft, conventional does
Method is slowly carried out using the artificial method for drawing cucurbit lifting, and since stern tube shaft self weight is heavier, the method is not only time-consuming, laborious, and
Stern tube shaft is easy the play inside stern pipe, the easily babbit of damage stern tube bearing and inner wall arrangement in cucurbit drawing process
Stern sealing oil pipe, temp probe protection pipe, once damage can not also find in time, great quality is brought to construction in later period
Hidden danger.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes a kind of guide device for screw shaft of ship lifting, it is intended to realize ship
Oceangoing ship stern tube shaft accurately stably enters stern pipe when lifting, and prevents play or shaking of the stern tube shaft in lifting and damages stern pipe, thus real
The stern tube shaft lifting of existing high quality, and improve the efficiency of stern tube shaft lifting.Specific technical solution is as follows:
A kind of guide device for screw shaft of ship lifting, the upright bar including a pair of of vertical, the upright bar include a left side
Upright bar and right upright bar, the left upright bar, right upright bar lower end be separately fixed on bottom plate, in the left upright bar, right upright bar respectively
Being provided with a pair can rotate around the axis of upright bar and be elastic inflated tire that is inflatable and shrinking, and the elastic inflated tire exists
It is arranged respectively according to upper and lower position in the left upright bar, right upright bar, is formed and be used between elastic inflated tire described in four
The axially directed space of screw shaft of ship lifting.
When carrying out the lifting of screw shaft of ship, turning rolls is set in the stern tube shaft lifting inlet close to stern pipe assembly in advance,
Guide device of the invention is set in the rear end of turning rolls, and regulates centre-height (elastic inflated tire therein should not
Inflation is in contraction state), the front end position of stern tube shaft is held by turning rolls, the middle and back of stern tube shaft enters four elastic inflateds
In the guide space formed between tire, then contacts to four elastic inflated tyre inflatings and with stern tube shaft, observe the position of stern tube shaft
It whether sets in center position, it is right as necessary by the pressure for adjusting the elastic inflated tire in left upright bar or right upright bar respectively
Stern tube shaft position in the horizontal direction is adjusted the centering to realize stern tube shaft.Stern tube shaft is pulled to advance with cucurbit lifting rope after adjusting,
Stern tube shaft accurately enters in stern pore under the guidance of guide device.
The axially directed space for screw shaft of ship lifting, stern are formd between the elastic inflated tire as described in four
Flexibility limitation of the upper and lower position and left-right position of axis by elastic inflated tire, thereby may be ensured that and pulling stern tube shaft with cucurbit
Its stern tube shaft is not in biggish play or shaking during advance, it is thus achieved that screw shaft of ship can accurately be put down when lifting
Quietly enter stern pipe, and can effectively prevent stern tube shaft lifting when play or shaking and damage stern pipe, to realize high quality
Stern tube shaft lifting, and improve stern tube shaft lifting efficiency.
In addition, elastic inflated tire is on stern tube shaft surface when stern tube shaft advances due to using rotatable elastic inflated tire
It rolls, and rolls and rolled to be flexible, one side protects the surface of stern tube shaft, on the other hand can guarantee that there are platforms on stern tube shaft
Also continuous accurately guidance can be carried out when rank to stern tube shaft.
A pair of of elastic inflated wheel on a pair of of elastic inflated tire and the right upright bar in the present invention, in the left upright bar
Tire is to be symmetrical set.
Preferably, the junction of the centre of the elastic inflated tire and the upright bar outer circle is provided with central axis
Set, the central axle sleeve are rotatably arranged in the upright bar outer circle.
Preferably, the upright bar is provided with aeration aperture along central axis, sets on the central axle sleeve of the elastic inflated tire
It is equipped with the air inlet of elastic inflated tire, the aeration aperture is connected with the air inlet.
In order to realize the adjustment of stern tube shaft position in the horizontal direction, left upright bar, right upright bar aeration aperture in can be filled with difference
The compressed air of pressure.
Since the elastic inflated tire in same upright bar is inflated by same aeration aperture, bullet can be realized
Property pneumatic tire synchronous expansion and shrink, stern tube shaft position adjustment in the horizontal direction may be implemented in one side, on the other hand
It can ensure that the position of stern tube shaft in above-below direction is constant.
As a further improvement of the present invention, the lower end of the bottom plate is connected with pedestal, sets between the bottom plate and pedestal
It is equipped with the height adjustment device for regulating base board height and position.
Preferably, the height adjustment device includes being connected to the down-set of the bottom plate lower end a number of to lead
To bar, a number of pilot hole of setting on the base, the guide rod is inserted into the pilot hole, in the bottom plate
Elevating mechanism is connected between the medium position of lower end and the pedestal.
By the way that height adjustment device is arranged, the adaptability and versatility of guide device are improved.
One of preferred embodiment as height adjustment device, the elevating mechanism are spiral lifting mechanism.
Two of preferred embodiment as height adjustment device, the elevating mechanism are electric pushrod.
In the present invention, the aeration aperture of the left upright bar, the aeration aperture of right upright bar pass through piping connection inflator pump respectively, described
Pressure regulator valve and vent valve are provided on pipeline.
As a further improvement of the present invention, it is additionally provided in the guide device for detecting edema with the heart involved in screw shaft of ship
Square to position location detector.
By the way that location detector is arranged, the adjustment of screw shaft of ship central horizontal direction position is greatly facilitated.
In the present invention, it is provided with spacer between two elastic inflated tires in same upright bar, wherein superposed bullet
The upper end of property pneumatic tire is provided with retaining ring.
In the present invention, it is provided with sealing ring between the both ends inner hole of central axle sleeve and the outer circle of upright bar, to prevent from inflating
When gas leakage.
The pressure gauge for detecting the blowing pressure is provided in the present invention, in upright bar.
In the present invention, it is provided with bracket on bottom plate, the location detector is provided on bracket.
The beneficial effects of the present invention are:
First, a kind of guide device for screw shaft of ship lifting of the invention, the elastic inflated wheel as described in four
The axially directed space for screw shaft of ship lifting is formd between tire, the upper and lower position of stern tube shaft and left-right position are filled by elasticity
The flexible limitation of air filled tyre thereby may be ensured that its stern tube shaft is not in biggish during pulling stern tube shaft to advance with cucurbit
Play or shaking it is thus achieved that screw shaft of ship can accurately stably enter stern pipe when lifting, and can effectively prevent stern tube shaft and exist
Play or shaking when lifting and damage stern pipe, to realize the stern tube shaft lifting of high quality, and improve the effect of stern tube shaft lifting
Rate.
Second, a kind of guide device for screw shaft of ship lifting of the invention is filled due to using rotatable elasticity
Air filled tyre, elastic inflated tire is in stern tube shaft surface scrolls when stern tube shaft advances, and rolls and roll to be flexible, and one side protects stern
On the other hand the surface of axis can guarantee there are can also carry out continuous accurately guidance when step to stern tube shaft on stern tube shaft.
Third, a kind of guide device for screw shaft of ship lifting of the invention, left upright bar, right upright bar aeration aperture in can
To be filled with the compressed air of different pressures, to realize stern tube shaft position adjustment in the horizontal direction.
4th, a kind of guide device for screw shaft of ship lifting of the invention, due to the elastic inflated in same upright bar
Tire is to be inflated by same aeration aperture, therefore can be realized the synchronous expansion of elastic inflated tire and shrink, one
Stern tube shaft position adjustment in the horizontal direction may be implemented in aspect, on the other hand can ensure the position of stern tube shaft in above-below direction not
Become.
5th, a kind of guide device for screw shaft of ship lifting of the invention is improved by the way that height adjustment device is arranged
The adaptability and versatility of guide device.
6th, a kind of guide device for screw shaft of ship lifting of the invention is big generous by the way that location detector is arranged
Screw shaft of ship central horizontal direction position adjustment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of guide device for screw shaft of ship lifting of the invention；
Fig. 2 is the schematic diagram that screw shaft of ship lifting is carried out using the guide device in Fig. 1.
In figure: 1, left upright bar, 2, right upright bar, 3, bottom plate, 4, elastic inflated tire, 5, stern tube shaft, 6, central axle sleeve, 7, inflation
Hole, 8, air inlet, 9, pedestal, 10, guide rod, 11, elevating mechanism, 12, pipeline, 13, inflator pump, 14, pressure regulator valve, 15, deflation
Valve, 16, location detector, 17, sealing ring, 18, pressure gauge, 19, bracket, 20, spacer, 21, retaining ring.
In figure: 22, turning rolls, 23, cucurbit lifting rope, 24, stern pipe assembly, 25, guide device.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only
For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
As Fig. 1 to 2 show a kind of embodiment of guide device lifted for screw shaft of ship of the invention, including a pair
The upright bar of vertical, the upright bar include left upright bar 1 and right upright bar 2, the left upright bar 1, right upright bar 2 lower end fix respectively
On bottom plate 3, a pair of can rotate around the axis of upright bar and to may expand and receive is respectively arranged in the left upright bar 1, right upright bar 2
The elastic inflated tire 4 of contracting, the elastic inflated tire 4 is in the left upright bar 1, right upright bar 2 respectively according to upper and lower position
It is arranged, forms the axially directed space lifted for screw shaft of ship 5 between elastic inflated tire 4 described in four.
When carrying out the lifting of screw shaft of ship 5, inlet is lifted in the stern tube shaft 5 close to stern pipe assembly 24 in advance and sets idler wheel
Frame 22 sets the guide device 25 of the present embodiment in the rear end of turning rolls 22, and regulates centre-height (elasticity therein is filled
Air filled tyre 4 not inflated, and contraction state is in), the front end position of stern tube shaft 5 is held by turning rolls 22, the middle and back of stern tube shaft 5 enters
Into the guide space formed between four elastic inflated tires 4, then to the inflation of four elastic inflated tires 4 and with stern tube shaft 5
Whether the position of contact, observation stern tube shaft 5 is in center position, as necessary by the bullet adjusted in left upright bar 1 or right upright bar 2 respectively
The pressure of property pneumatic tire 4, is adjusted the centering to realize stern tube shaft 5 to the position in the horizontal direction of stern tube shaft 5.It is used after adjusting
Cucurbit lifting rope 23 pulls stern tube shaft 5 to advance, and stern tube shaft 5 accurately enters in stern pore under the guidance of guide device 25.
The axially directed space lifted for screw shaft of ship 5 is formd between the elastic inflated tire 4 as described in four,
Flexibility limitation of the upper and lower position and left-right position of stern tube shaft 5 by elastic inflated tire 4, thereby may be ensured that and pull with cucurbit
Its stern tube shaft 5 is not in biggish play or shaking during stern tube shaft 5 advances, it is thus achieved that energy when screw shaft of ship 5 lifts
It is enough accurately to stably enter stern pipe, and can effectively prevent play or shaking of the stern tube shaft 5 in lifting and damage stern pipe, to realize
The stern tube shaft 5 of high quality lifts, and improves the efficiency of the lifting of stern tube shaft 5.
In addition, elastic inflated tire 4 is in stern tube shaft 5 when stern tube shaft 5 advances due to using rotatable elastic inflated tire 4
Surface scrolls, and roll and rolled to be flexible, one side protects the surface of stern tube shaft 5, on the other hand can guarantee on stern tube shaft 5
There are can also carry out continuous accurately guidance when step to stern tube shaft 5.
A pair of elasticity in the present embodiment, on a pair of of the elastic inflated tire 4 and the right upright bar 2 in the left upright bar 1
Pneumatic tire 4 is to be symmetrical set.
Preferably, the junction of the centre of the elastic inflated tire 4 and the upright bar outer circle is provided with center
Axle sleeve 6, the central axle sleeve 6 are rotatably arranged in the upright bar outer circle.
Preferably, the upright bar is provided with aeration aperture 7 along central axis, on the central axle sleeve 6 of the elastic inflated tire 4
It is provided with the air inlet 8 of elastic inflated tire 4, the aeration aperture 7 is connected with the air inlet 8.
In order to realize the position in the horizontal direction of stern tube shaft 5 adjust, left upright bar 1, right upright bar 2 aeration aperture 8 in can be filled with
The compressed air of different pressures.
Since the elastic inflated tire 4 in same upright bar is inflated by same aeration aperture 8, can be realized
The synchronous expansion and contraction of elastic inflated tire 4, the adjustment of the position in the horizontal direction of stern tube shaft 5 may be implemented in one side, another
Aspect can ensure that the position of stern tube shaft 5 in above-below direction is constant.
As further improvement of this embodiment, the lower end of the bottom plate 3 is connected with pedestal 9, the bottom plate 3 and pedestal 9
Between be provided with height adjustment device for 3 height and position of regulating base board.
Preferably, the height adjustment device includes be connected to 3 lower end of bottom plate down-set a number of
Guide rod 10, a number of pilot hole being arranged on the pedestal 9, the guide rod 10 are inserted into the pilot hole,
Elevating mechanism 11 is connected between the medium position and the pedestal 9 of 3 lower end of bottom plate.
By the way that height adjustment device is arranged, the adaptability and versatility of guide device 25 are improved.
One of preferred embodiment as height adjustment device, the elevating mechanism 11 are spiral lifting mechanism.
Two of preferred embodiment as height adjustment device, the elevating mechanism 11 are electric pushrod.
In the present embodiment, aeration aperture, the aeration aperture of right upright bar 2 of the left upright bar 1 pass through the connection inflation of pipeline 12 respectively
13 are pumped, is provided with pressure regulator valve 14 and vent valve 15 on the pipeline 12.
As the further improvement of the present embodiment, it is additionally provided in the guide device 25 for detecting screw shaft of ship 5
The location detector 16 of central horizontal direction position.
By the way that location detector 16 is arranged, the adjustment of 5 central horizontal direction position of screw shaft of ship is greatly facilitated.
In the present embodiment, it is provided with spacer 20 between two elastic inflated tires 4 in same upright bar, wherein being located at top
The upper end of elastic inflated tire 4 be provided with retaining ring 21.
In the present embodiment, it is provided with sealing ring 17 between the both ends inner hole of central axle sleeve 6 and the outer circle of upright bar, to prevent
Gas leakage when inflation.
The pressure gauge 18 for detecting the blowing pressure is provided in the present embodiment, in upright bar.
In the present embodiment, it is provided with bracket 19 on bottom plate 3, the location detector 16 is provided on bracket 19.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of guide device for screw shaft of ship lifting, which is characterized in that the upright bar including a pair of of vertical, it is described
Upright bar includes left upright bar and right upright bar, the left upright bar, right upright bar lower end be separately fixed on bottom plate, the left upright bar, the right side
A pair is respectively arranged in upright bar can rotate around the axis of upright bar and be elastic inflated tire that is inflatable and shrinking, the elasticity
Pneumatic tire is arranged according to upper and lower position respectively in the left upright bar, right upright bar, elastic inflated tire described in four it
Between formed for screw shaft of ship lifting axially directed space；A pair of of elastic inflated tire and the right side in the left upright bar is vertical
A pair of of elastic inflated tire on bar is to be symmetrical set.
2. a kind of guide device for screw shaft of ship lifting according to claim 1, which is characterized in that in the elasticity
The centre of pneumatic tire and the junction of the upright bar outer circle are provided with central axle sleeve, and the central axle sleeve is rotatably arranged on
In the upright bar outer circle.
3. a kind of guide device for screw shaft of ship lifting according to claim 2, which is characterized in that the upright bar edge
Central axis is provided with aeration aperture, and the air inlet of elastic inflated tire is provided on the central axle sleeve of the elastic inflated tire,
The aeration aperture is connected with the air inlet.
4. a kind of guide device for screw shaft of ship lifting according to claim 1, which is characterized in that the bottom plate
Lower end is connected with pedestal, and the height adjustment device for regulating base board height and position is provided between the bottom plate and pedestal.
5. a kind of guide device for screw shaft of ship lifting according to claim 4, which is characterized in that the height tune
If regulating device includes the down-set a number of guide rod for being connected to the bottom plate lower end, is arranged on the base
The pilot hole of dry quantity, the guide rod are inserted into the pilot hole, the medium position and the pedestal in the bottom plate lower end
Between be connected with elevating mechanism.
6. a kind of guide device for screw shaft of ship lifting according to claim 5, which is characterized in that the elevator
Structure is spiral lifting mechanism.
7. a kind of guide device for screw shaft of ship lifting according to claim 5, which is characterized in that the elevator
Structure is electric pushrod.
8. a kind of guide device for screw shaft of ship lifting according to claim 1, which is characterized in that the left upright bar
Aeration aperture, the aeration aperture of right upright bar pass through piping connection inflator pump respectively, be provided with pressure regulator valve and vent valve on the pipeline.
9. a kind of guide device for screw shaft of ship lifting according to claim 1, which is characterized in that the guidance dress
Set the location detector being additionally provided with for detecting screw shaft of ship central horizontal direction position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230662.2A CN109437017B (en) | 2018-10-22 | 2018-10-22 | A kind of guide device for screw shaft of ship lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811230662.2A CN109437017B (en) | 2018-10-22 | 2018-10-22 | A kind of guide device for screw shaft of ship lifting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109437017A CN109437017A (en) | 2019-03-08 |
| CN109437017B true CN109437017B (en) | 2019-10-22 |
Family
ID=65546972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811230662.2A Active CN109437017B (en) | 2018-10-22 | 2018-10-22 | A kind of guide device for screw shaft of ship lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109437017B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111908336B (en) * | 2020-06-19 | 2023-04-07 | 国网河南省电力公司鹤壁供电公司 | Four-corner guiding device for hoisting transformer hanging cover |
| CN113911898B (en) * | 2021-10-11 | 2023-12-26 | 中船澄西船舶修造有限公司 | Stern shaft matched hoisting tool |
| CN114131554A (en) * | 2021-12-01 | 2022-03-04 | 中船澄西扬州船舶有限公司 | Detachable mounting relay tool for stern shaft and using method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004082879A (en) * | 2002-08-27 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Marine propeller shaft fitting tool |
| KR20140000915U (en) * | 2012-07-30 | 2014-02-10 | 대우조선해양 주식회사 | Boring Bar Installment Apparatus for Installing Propeller Axis in Vessels |
| CN204077993U (en) * | 2014-07-14 | 2015-01-07 | 上海江南长兴造船有限责任公司 | A kind of accessory appliances installed for marine stern axle tube |
| CN204137301U (en) * | 2014-09-15 | 2015-02-04 | 中船澄西船舶修造有限公司 | Marine rear shaft dismounting drive end bracket |
| CN104640650A (en) * | 2012-07-20 | 2015-05-20 | Sms康卡斯特股份公司 | Guide roller for guiding a strand in a strand casting system, and roller assembly |
| CN105460164A (en) * | 2015-12-03 | 2016-04-06 | 广船国际有限公司 | Detachable type temporary fixing bracket for stern shaft and fixing method for stern shaft |
| CN105966549A (en) * | 2016-06-29 | 2016-09-28 | 广船国际有限公司 | Tail shaft mounting device for ships |
| CN207841177U (en) * | 2018-01-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Axial roller support for screw shaft of ship installation |
-
2018
- 2018-10-22 CN CN201811230662.2A patent/CN109437017B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004082879A (en) * | 2002-08-27 | 2004-03-18 | Mitsubishi Heavy Ind Ltd | Marine propeller shaft fitting tool |
| CN104640650A (en) * | 2012-07-20 | 2015-05-20 | Sms康卡斯特股份公司 | Guide roller for guiding a strand in a strand casting system, and roller assembly |
| KR20140000915U (en) * | 2012-07-30 | 2014-02-10 | 대우조선해양 주식회사 | Boring Bar Installment Apparatus for Installing Propeller Axis in Vessels |
| CN204077993U (en) * | 2014-07-14 | 2015-01-07 | 上海江南长兴造船有限责任公司 | A kind of accessory appliances installed for marine stern axle tube |
| CN204137301U (en) * | 2014-09-15 | 2015-02-04 | 中船澄西船舶修造有限公司 | Marine rear shaft dismounting drive end bracket |
| CN105460164A (en) * | 2015-12-03 | 2016-04-06 | 广船国际有限公司 | Detachable type temporary fixing bracket for stern shaft and fixing method for stern shaft |
| CN105966549A (en) * | 2016-06-29 | 2016-09-28 | 广船国际有限公司 | Tail shaft mounting device for ships |
| CN207841177U (en) * | 2018-01-03 | 2018-09-11 | 江南造船(集团)有限责任公司 | Axial roller support for screw shaft of ship installation |
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|---|---|
| CN109437017A (en) | 2019-03-08 |
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