CN103522256A - Special mounting tool for large ship propeller shaft hydraulic nut and mounting method - Google Patents
Special mounting tool for large ship propeller shaft hydraulic nut and mounting method Download PDFInfo
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- CN103522256A CN103522256A CN201310490093.6A CN201310490093A CN103522256A CN 103522256 A CN103522256 A CN 103522256A CN 201310490093 A CN201310490093 A CN 201310490093A CN 103522256 A CN103522256 A CN 103522256A
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- hydraulic nut
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The invention provides a special mounting tool for a large ship propeller shaft hydraulic nut and a mounting method. The special mounting tool comprises a body, a hanging bar and a hinge pin, wherein the hanging bar and the hinge pin are fixed to the body, both the hanging bar and the hinge pin are cylindrical, the hanging bar is provided with a hanging and pulling part and a stopping part with external threads, the stopping part is located at one end, away from the body, of the hanging bar, and the diameter of the stopping part is smaller than that of the hanging and pulling part; the hanging and pulling part is sleeved with a casing pipe, a baffle is arranged on the stopping part in a sleeved mode, and nuts matched with the external threads are arranged on the portion, on the right side of the baffle, of the stopping part; the hinge pin is sleeved with a rotary drum and a check ring located on the right side of the rotary drum, the check ring and the hinge pin are respectively provided with a through hole for a cotter pin to pass through, and the cotter pins are located in the through holes. The special mounting tool is easy to operate, time and personnel are saved, mounting efficiency is improved, production cost is reduced, and mounting quality and mounting accuracy are guaranteed in the mounting process of the propeller shaft hydraulic nut.
Description
Technical field
The invention belongs to shipbuilding technical field, be specifically related to a kind of special installation tool of large ship stern tube shaft hydraulic nut and utilize this special installation tool that hydraulic nut is installed to the method on large ship stern tube shaft.
Background technology
Bulky due to large ship, its corresponding parts peculiar to vessel also have the feature that volume is large, weight is large, so the installation process of parts is numerous and diverse, expend man-hour long, and production efficiency is low; Especially on large ship stern tube shaft, the installation of hydraulic nut is more difficult, wastes time and energy.
On large ship stern tube shaft, hydraulic nut is mostly all more than 1000 kilograms, at present on large ship stern tube shaft, the mounting means of hydraulic nut is: fixing suspension ring on hydraulic nut, with chain block, drive steel wire rope to hang and draw suspension ring, hydraulic nut hanging is arrived to installation site, by several installation personnels are hand steered, drag, be installed on the bolt of large ship stern tube shaft, finally utilize chain block or crane by steel wire rope, hydraulic nut further to be screwed.Due to the restriction of hydraulic nut installation site on large ship stern tube shaft, when rising to installation site, hydraulic nut there is no the space of crane work, so can only utilize chain block to hang, draw.Adopt suspension ring to hang and draw, make the position that suspension ring are installed on hydraulic nut be subject to larger power, make that stress is too concentrated herein, damage hydraulic nut, even ruptures; And need hydraulic nut and bolt shaft to align, when hydraulic nut rotate to be installed, need several installation personnels to coordinate and expend muscle power and time, installation quality can not guarantee.
For improve hang be pulled through journey in the damage of hydraulic nut, adopt suspender belt that recycling steel wire rope after hydraulic nut binding is hung and drawn, hang be pulled through journey in the hydraulic nut outer surface that contacts with suspender belt of hydraulic nut all stressed, thereby lifting surface area increase, avoided hydraulic nut hanging the damage being pulled through in journey.But often there is center of gravity bundle partially in suspender belt binding, there is larger deflection hanging hydraulic nut while drawing, cause hydraulic nut and bolt shaft to align difficulty; Rotate when hydraulic nut is installed simultaneously and need several installation personnels cooperations to expend muscle power and time, installation quality can not guarantee.
Summary of the invention
The present invention is directed to the above-mentioned problems in the prior art, a kind of special installation tool of large ship stern tube shaft hydraulic nut is provided, make the handling of hydraulic nut install simple, easy to operate, save time and personnel, improve installation effectiveness, guaranteed installation quality and the precision of stern tube shaft hydraulic nut installation process.
For reaching above-mentioned technical purpose, the present invention realizes by the following technical solutions:
A kind of special installation tool of large ship stern tube shaft hydraulic nut, comprise main body and be fixed on trapeze and the bearing pin in main body, described trapeze and bearing pin are all cylindrical, described suspension rod has to hang and draws portion and have an externally threaded stop part, described stop part is positioned at described trapeze away from one end of described main body, described in the diameter of described stop part is less than, hangs the diameter that draws portion; Described hang to draw in portion be set with sleeve pipe, on described stop part, be set with baffle plate, on the stop part on described baffle plate right side, be provided with the nut matching with described external screw thread; On described bearing pin, be set with cylinder and the back-up ring that is positioned at cylinder right side, offer the through hole that split pin is passed on described back-up ring and bearing pin, described split pin is positioned at described through hole.
Further, on described sleeve pipe, be fixed with hanger.
Further, the internal diameter of described sleeve pipe hangs the external diameter that draws portion described in being greater than.
Further, the length of described sleeve pipe is hung the length of drawing portion described in being less than.
Further, described sleeve pipe can described hang to draw in portion, move left and right and rotate.
Further, the internal diameter of described cylinder is greater than the external diameter of described bearing pin.
Further, described cylinder can rotate on described bearing pin.
Further, described bearing pin has smooth outer circumference surface, and described cylinder has smooth inner surface.
Further, described baffle plate is track type, and the inner race width of described track type is greater than or equal to the diameter of stop part.
Further, described cylinder adopts brass material.
Further, the plate that described main body is strip.
Further, described trapeze is vertically welded in described main body, and described bearing pin is also vertically welded in described main body.
The special installation tool of the large ship stern tube shaft hydraulic nut based on above-mentioned, the present invention also provides a kind of and utilizes above-mentioned special installation tool that hydraulic nut is installed to the method on large ship stern tube shaft, make the handling of hydraulic nut install simple, easy to operate, save time and personnel, improved installation effectiveness.
Utilize above-mentioned special installation tool that hydraulic nut is installed to the installation method on large ship stern tube shaft, described installation method comprises the following steps:
A, mobile special installation tool, stretch into described cylinder in the axis hole of hydraulic nut; Utilize afterwards described nut that baffle plate is fixed, make the bottom of baffle plate be positioned at the right side of described hydraulic nut;
B, with the steel wire rope on chain block or suspension hook, hold described hanger, adjust sleeve pipe and hanging the position, left and right of drawing in portion, axis horizontal when hydraulic nut is raise;
C, pull chain block that hydraulic nut is elevated to installation site, promote specific purpose tool to the right and baffle plate is removed from the right side of hydraulic nut, make the bolt end of installation site enter the right side of hydraulic nut screwed hole, installation personnel promotes hydraulic nut afterwards, and hydraulic nut is rotated until hydraulic nut and cylinder depart from together with cylinder on bearing pin.
Further, described installation method also comprises step D, and fixing suspension ring on described hydraulic nut, hold described suspension ring with the steel wire rope on chain block or crane, described hydraulic nut are further screwed, until be in place.
Further, the length of described hydraulic nut is hung the length of drawing portion described in being greater than.
Further, the length of described hydraulic nut is also greater than the length of described bearing pin.
The special installation tool of large ship stern tube shaft hydraulic nut provided by the invention, simple to operate, save time and personnel, improved installation effectiveness, reduced production cost, guaranteed installation quality and the precision of stern tube shaft hydraulic nut installation process.By baffle plate, hydraulic nut is fixed on special installation tool; By adjusting the position, left and right of sleeve pipe, can find easily the center of gravity of the special installation tool that is fixed with hydraulic nut, hydraulic nut is hung draw high axis horizontal when high; When hydraulic nut is installed, can align with bolt easily, improve installation accuracy; By cylinder is set, when hydraulic nut is installed on bolt, cylinder is rotated together with hydraulic nut and make the installation of hydraulic nut more laborsaving quick, reduced operating personnel, improved installation rate.
Read by reference to the accompanying drawings after the specific embodiment of the present invention, it is clearer that the other features and advantages of the invention will become.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the special installation tool of large ship stern tube shaft hydraulic nut proposed by the invention;
Fig. 2 is the structural representation of trapeze in Fig. 1;
Fig. 3 is the structural representation of bearing pin in Fig. 1;
Fig. 4 is the structural representation of baffle plate in Fig. 1;
Fig. 5 is the structural representation of baffle ring in Fig. 1;
Fig. 6 is the structural representation of Fig. 1 under use state.
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
In description of the invention, it should be noted that, orientation or the position relationship of the indication such as term " left side ", " right side " are based on position relationship shown in the drawings, only the present invention for convenience of description and simplified characterization, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as limitation of the present invention.
Consulting Fig. 1-6, is an embodiment of the special installation tool of large ship stern tube shaft hydraulic nut proposed by the invention.The special installation tool of large ship stern tube shaft hydraulic nut, comprise main body 1 and be fixed on trapeze 2 and the bearing pin 3 in main body 1, wherein trapeze 2 and bearing pin 3 are all cylindrical, at trapeze 2, away from one end of main body 1, be provided with and there is externally threaded stop part 22, suspension rod 1 between stop part 22 and main body 1 is for hanging the portion 21 of drawing, and the diameter of stop part 22 is less than and hangs the diameter that draws portion 21, shown in Figure 2.
In portion 21, be set with sleeve pipe 4 hanging to draw, sleeve pipe 4 can move left and right hanging to draw in portion 21, shown in Figure 1.In order to prevent that hydraulic nut 10 from coming off being hung in being pulled through journey, on stop part 22, be also set with baffle plate 5, by main body 1 and baffle plate 5, realize stopping of hydraulic nut left and right directions.Fixing for baffle plate 5 is provided with the nut 6 that the external screw thread with stop part 22 matches on the stop part 22 on baffle plate 5 right sides.On bearing pin 3, be set with cylinder 7, cylinder 7 can rotate around bearing pin 3.Spacing for cylinder 7, prevents that cylinder 7 and bearing pin 3 from departing from, and on the bearing pin 3 on cylinder 7 right sides, cover has back-up ring 8, and offers the through hole that split pin 9 is passed on back-up ring 8 and bearing pin 3, and split pin 9 is positioned at through hole, shown in Fig. 2-3.
Special installation tool in the present embodiment, shown in Figure 6, hydraulic nut 10 is sleeved on cylinder 7, and by baffle plate 5, hydraulic nut 10 is fixing; With suspender belt, be bundled on sleeve pipe 4, and by adjusting the position, left and right of sleeve pipe 4, can find easily the center of gravity of the special installation tool that is fixed with hydraulic nut 10, hydraulic nut 10 is hung draw high axis horizontal when high; And then can align with bolt easily when hydraulic nut 10 is installed, improved installation accuracy; By cylinder 7 is set, when hydraulic nut 10 is installed on bolt, cylinder 7 is rotated together with hydraulic nut 10 and make the installation of hydraulic nut 10 more laborsaving quick, reduced operating personnel, improved installation rate.In order to prevent that hydraulic nut 10 from coming off being hung in being pulled through journey, is also provided with baffle plate 5 on stop part 22.So, the special installation tool in the present embodiment, simple to operate, save time and personnel, improved installation effectiveness, reduced production cost, guaranteed installation quality and the precision of stern tube shaft hydraulic nut 10 installation processes.
In order further to improve the installation effectiveness of hydraulic nut 10, on sleeve pipe 4, be welded with hanger 41, shown in Figure 1, can directly utilize like this steel wire rope or hook just to complete the fixing of stay cord through hanger 41, avoid utilizing suspender belt binding, saved the time, improved operating efficiency.
For hanger 41 is further firm with fixing of sleeve pipe 4, also can between hanger 41 and sleeve pipe 4, weld stiffener or reinforcement.
The length of sleeve pipe 4 is less than hangs the length of drawing portion 21, and at sleeve pipe 4 and hang to draw between portion 21 and there is gap, namely the internal diameter of sleeve pipe 4 is certainly greater than and hangs the external diameter that draws portion 21, make sleeve pipe 4 draw in portion 21 and can move left and right and rotate hanging, can hang the position, left and right of drawing in portion 21 by adjusting sleeve pipe 4 like this, can find the center of gravity of the special installation tool that hydraulic nut 10 is housed, make the axis horizontal of hydraulic nut 10 increase, and then can align with bolt easily when hydraulic nut 10 is installed, improved installation accuracy.Simultaneously sleeve 4 can draw rotation in portion 21 hanging, and makes to hang and be pulled through in journey at hydraulic nut 10, when hydraulic nut 10 has front and back a little and rocks, sleeve 4 is also followed rotation, make sleeve 4 be subject to all the time radial load, stressed steady, make sound construction referring to shown in Fig. 1 and Fig. 6.
The internal diameter of cylinder 7 is greater than the external diameter of bearing pin 3, between cylinder 7 and bearing pin 3, there is gap, cylinder 7 can rotate on bearing pin 3, when hydraulic nut 10 is installed on bolt, cylinder 7 is rotated together with hydraulic nut 10 and make the installation of hydraulic nut 10 more laborsaving fast, reduce operating personnel, improved installation rate.
In order to reduce the friction between cylinder 7 and bearing pin 3, bearing pin 3 is provided with smooth outer circumference surface, and cylinder 7 is provided with smooth inner surface.While making like this hydraulic nut 10 rotations be installed to bolt, the motive force needing is little, can further reduce installation personnel.
For baffle plate 5 is conveniently realized and is stopped and remove and stop hydraulic nut 10, shown in Figure 4, baffle plate 5 is set to track type, and the width of the inner ring of track type is greater than or equal to the diameter of stop part 22, and namely stop part 22 is positioned at the slotted hole at baffle plate 5 middle parts.By screwing nut 6, baffle plate 5 is fixed on to the right side of hydraulic nut 10.Hydraulic nut 10 is hung while moving to, first nut 6 is unscrewed, afterwards baffle plate 5 is upwards drawn and screw nut 6 along the slotted hole at middle part, and horizontal or vertical fixed dam 5, make baffle plate 5 as far as possible away from hydraulic nut 10, avoid affecting operating personnel, and take operating space.
Because the inner threaded surface of hydraulic nut 10 is sleeved on cylinder outer circumference surface; so drawn high in process at hydraulic nut 10; the gravity of itself transmits by internal thread, and in order to protect the internal thread of hydraulic nut 10, cylinder 7 adopts the softer brass material of mechanical performance.
Consult shown in Fig. 6, illustrate and utilize above-mentioned special installation tool that hydraulic nut 10 is installed to the installation method on large ship stern tube shaft, comprise the following steps:
A, mobile special installation tool, stretch into cylinder 7 in the axis hole of hydraulic nut 10; Rotating nut 6 makes the bottom of baffle plate 5 be positioned at the right side of hydraulic nut 10 afterwards.
B, with the steel wire rope on chain block or suspension hook, hold hanger 41, adjust sleeve pipe 4 and hanging the position, left and right of drawing in portion 21, axis horizontal when hydraulic nut 10 is raise.
C, pull chain block that hydraulic nut 10 is elevated to installation site, promote special installation tool to the right and baffle plate 5 is removed from the right side of hydraulic nut 10, make the bolt end of installation site enter the right side of the screwed hole of hydraulic nut 10, installation personnel promotes hydraulic nut 10 afterwards, hydraulic nut 10 is rotated together with cylinder 7 on bearing pin 3 until hydraulic nut 10 departs from cylinder 7.
After hydraulic nut 10 and cylinder 7 disengagings, also need hydraulic nut to screw, so also there is step D, fixing suspension ring on hydraulic nut 10, with the steel wire rope on chain block or crane, hold suspension ring, hydraulic nut 10 is further screwed, until be in place.
In the present embodiment, at hydraulic nut 10, hung and be pulled through in journey, on the right flank of baffle plate 5 and hydraulic nut 10, have certain gap, when there is hydraulic nut 10 inclined sliding, baffle plate 5 can stop hydraulic nut 10, avoid falling.
For hydraulic nut 10 hang be pulled through in journey more firm, in other embodiment, can arrange and the length of hydraulic nut 10 is greater than hang the length of drawing portion 21, the length of hydraulic nut 10 is also greater than the length of bearing pin 3, hydraulic nut 10 is in handling process like this, its left surface abuts against in main body 1, and right flank abuts against on baffle plate 5.
Adopt above-mentioned installation method, the handling of hydraulic nut is installed simply, easy to operate, save time and personnel, improved installation effectiveness.
The above, be only preferred embodiment of the present invention, is not the present invention to be done to the restriction of other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. the special installation tool of a large ship stern tube shaft hydraulic nut, it is characterized in that, comprise main body and be fixed on trapeze and the bearing pin in main body, described trapeze and bearing pin are all cylindrical, described suspension rod has to hang and draws portion and have an externally threaded stop part, described stop part is positioned at described trapeze away from one end of described main body, described in the diameter of described stop part is less than, hangs the diameter that draws portion; Described hang to draw in portion be set with sleeve pipe, on described stop part, be set with baffle plate, on the stop part on described baffle plate right side, be provided with the nut matching with described external screw thread; On described bearing pin, be set with cylinder and the back-up ring that is positioned at cylinder right side, offer the through hole that split pin is passed on described back-up ring and bearing pin, described split pin is positioned at described through hole.
2. special installation tool according to claim 1, is characterized in that, on described sleeve pipe, is fixed with hanger.
3. special installation tool according to claim 1, is characterized in that, described in the length of described sleeve pipe is less than, hangs the length of drawing portion.
4. special installation tool according to claim 1, is characterized in that, the internal diameter of described cylinder is greater than the external diameter of described bearing pin.
5. special installation tool according to claim 1, is characterized in that, described bearing pin has smooth outer circumference surface, and described cylinder has smooth inner surface.
6. special installation tool according to claim 1, is characterized in that, described baffle plate is track type, and the inner race width of described track type is greater than or equal to the diameter of stop part.
7. according to the special installation tool described in claim 1 to 6 any one, it is characterized in that, described cylinder adopts brass material.
8. according to the special installation tool described in claim 1 to 6 any one, it is characterized in that the plate that described main body is strip.
9. utilize special installation tool described in claim 2 that hydraulic nut is installed to the installation method on large ship stern tube shaft, it is characterized in that, described installation method comprises the following steps:
A, mobile special installation tool, stretch into described cylinder in the axis hole of hydraulic nut; Utilize afterwards described nut that baffle plate is fixed, make the bottom of baffle plate be positioned at the right side of described hydraulic nut;
B, with the steel wire rope on chain block or suspension hook, hold described hanger, adjust sleeve pipe and hanging the position, left and right of drawing in portion, axis horizontal when hydraulic nut is raise;
C, pull chain block that hydraulic nut is elevated to installation site, promote specific purpose tool to the right and baffle plate is removed from the right side of hydraulic nut, make the bolt end of installation site enter the right side of hydraulic nut screwed hole, installation personnel promotes hydraulic nut afterwards, and hydraulic nut is rotated until hydraulic nut and cylinder depart from together with cylinder on bearing pin.
10. installation method according to claim 9, is characterized in that, described installation method also comprises step D, fixing suspension ring on described hydraulic nut, with the steel wire rope on chain block or crane, hold described suspension ring, described hydraulic nut is further screwed, until be in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490093.6A CN103522256A (en) | 2013-10-18 | 2013-10-18 | Special mounting tool for large ship propeller shaft hydraulic nut and mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310490093.6A CN103522256A (en) | 2013-10-18 | 2013-10-18 | Special mounting tool for large ship propeller shaft hydraulic nut and mounting method |
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|---|---|
| CN103522256A true CN103522256A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310490093.6A Pending CN103522256A (en) | 2013-10-18 | 2013-10-18 | Special mounting tool for large ship propeller shaft hydraulic nut and mounting method |
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| CN (1) | CN103522256A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191215A (en) * | 2014-06-27 | 2014-12-10 | 大连船舶重工集团有限公司 | Hydraulic nut installation tool of large propeller of container ship |
| CN108069338A (en) * | 2017-12-21 | 2018-05-25 | 中国船舶重工集团公司第七〇九研究所 | A kind of stern tube shaft nut auxiliary installation device and installation method |
| CN109956393A (en) * | 2017-12-22 | 2019-07-02 | 兰州兰石重型装备股份有限公司 | Major diameter heat exchanger inner sleeve loads and unloads tooling and its application method |
| CN110202526A (en) * | 2019-05-27 | 2019-09-06 | 广州中船文冲船坞有限公司 | A kind of tail shaft nuts of ship dismantling device and assembly and disassembly methods |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011625A (en) * | 2000-06-23 | 2002-01-15 | Toyoda Mach Works Ltd | Device with annular member coupled with interference fit to shaft member, manufacturing method for the same, and main spindle device using the same device |
| CN101239438A (en) * | 2008-03-07 | 2008-08-13 | 渤海船舶重工有限责任公司 | Propeller hydraulic nut fastening device |
| CN101254884A (en) * | 2008-03-12 | 2008-09-03 | 渤海船舶重工有限责任公司 | Screw-propeller turning-over device |
| CN202785238U (en) * | 2012-08-10 | 2013-03-13 | 上海沪东三造船舶配套有限公司 | Large nut hoisting tool |
| CN202963967U (en) * | 2012-12-05 | 2013-06-05 | 广州中船黄埔造船有限公司 | Hydraulic screw nut installing device for rudder horn |
| CN203510125U (en) * | 2013-10-18 | 2014-04-02 | 青岛造船厂有限公司 | Installation tool special for large ship tail shaft hydraulic nut |
-
2013
- 2013-10-18 CN CN201310490093.6A patent/CN103522256A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011625A (en) * | 2000-06-23 | 2002-01-15 | Toyoda Mach Works Ltd | Device with annular member coupled with interference fit to shaft member, manufacturing method for the same, and main spindle device using the same device |
| CN101239438A (en) * | 2008-03-07 | 2008-08-13 | 渤海船舶重工有限责任公司 | Propeller hydraulic nut fastening device |
| CN101254884A (en) * | 2008-03-12 | 2008-09-03 | 渤海船舶重工有限责任公司 | Screw-propeller turning-over device |
| CN202785238U (en) * | 2012-08-10 | 2013-03-13 | 上海沪东三造船舶配套有限公司 | Large nut hoisting tool |
| CN202963967U (en) * | 2012-12-05 | 2013-06-05 | 广州中船黄埔造船有限公司 | Hydraulic screw nut installing device for rudder horn |
| CN203510125U (en) * | 2013-10-18 | 2014-04-02 | 青岛造船厂有限公司 | Installation tool special for large ship tail shaft hydraulic nut |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191215A (en) * | 2014-06-27 | 2014-12-10 | 大连船舶重工集团有限公司 | Hydraulic nut installation tool of large propeller of container ship |
| CN108069338A (en) * | 2017-12-21 | 2018-05-25 | 中国船舶重工集团公司第七〇九研究所 | A kind of stern tube shaft nut auxiliary installation device and installation method |
| CN109956393A (en) * | 2017-12-22 | 2019-07-02 | 兰州兰石重型装备股份有限公司 | Major diameter heat exchanger inner sleeve loads and unloads tooling and its application method |
| CN110202526A (en) * | 2019-05-27 | 2019-09-06 | 广州中船文冲船坞有限公司 | A kind of tail shaft nuts of ship dismantling device and assembly and disassembly methods |
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Application publication date: 20140122 |