CN111496466A - Rudder bearing sleeve mounting tool - Google Patents

Rudder bearing sleeve mounting tool Download PDF

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Publication number
CN111496466A
CN111496466A CN202010223323.2A CN202010223323A CN111496466A CN 111496466 A CN111496466 A CN 111496466A CN 202010223323 A CN202010223323 A CN 202010223323A CN 111496466 A CN111496466 A CN 111496466A
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CN
China
Prior art keywords
bearing sleeve
hole
liquid nitrogen
rudder bearing
lifting rod
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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.)
Granted
Application number
CN202010223323.2A
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Chinese (zh)
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CN111496466B (en
Inventor
高星
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Chengxi Shipyard Co Ltd
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Chengxi Shipyard Co Ltd
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Publication date
Application filed by Chengxi Shipyard Co Ltd filed Critical Chengxi Shipyard Co Ltd
Priority to CN202010223323.2A priority Critical patent/CN111496466B/en
Publication of CN111496466A publication Critical patent/CN111496466A/en
Application granted granted Critical
Publication of CN111496466B publication Critical patent/CN111496466B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/02Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
    • B23P11/025Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/625Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for gripping drums or barrels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention relates to the technical field of ship repair and construction, and discloses a rudder carrier mounting tool, which comprises a lifting rod and a cross support connected to the lower end of the lifting rod and perpendicular to the lifting rod, wherein the cross support is formed by connecting two rectangular square pipes which are crossed with each other in a cross manner in an up-and-down abutting mode, telescopic baffles which can move in a telescopic mode along the rectangular inner holes of the rectangular square pipes are respectively inserted into the rectangular inner holes at two ends of each rectangular square pipe, positioning steps for positioning the inner holes at the lower end and the end face of a rudder carrier are arranged at the overhanging ends of the telescopic baffles, lateral fastening screws for fixing the telescopic baffles are arranged on the side faces of the rectangular square pipes, and lug holes are formed in the upper end of the lifting rod. The invention reduces the cost of the tool and improves the efficiency and quality of installation.

Description

Rudder bearing sleeve mounting tool
Technical Field
The invention relates to the technical field of ship repair and construction, in particular to a rudder bearing sleeve mounting tool.
Background
In the process of ship repair, a new rudder bearing sleeve is often required to be replaced, the rudder bearing sleeve is generally installed in a rudder bearing hole after being frozen and contracted by liquid nitrogen, because the rudder bearing has a large volume and a heavy dead weight, the rudder bearing sleeve can not be manually operated after being frozen, a specially-made hoisting tool is often adopted to install the rudder bearing sleeve, when the rudder bearing sleeve is frozen, the hoisting tool and the rudder bearing sleeve are placed into an insulation box together for freezing, and after the rudder bearing sleeve is contracted to meet the installation requirement after being frozen, the specially-made hoisting tool and the rudder bearing sleeve are hoisted out of the insulation box together for rudder bearing sleeve installation.
However, the above-mentioned mounting method of the rudder bearing housing has the following problems in practical use:
firstly, under the influence of different ship designs, the diameters of rudder bearings are different (phi 300-phi 1000) and the lengths are different (300-800 mm), a special tool can only be specially used for ships, meanwhile, the tool is influenced by low temperature (minus 100 ℃), the manufacturing material is generally made of low-temperature-resistant stainless steel, the manufacturing cost is high, and the ship repairing cost is invisibly increased.
Secondly, when the rudder bearing sleeve is installed, the temperature of the rudder bearing sleeve is increased along with the increase of time due to the influence of the ambient temperature in the hoisting process, the outer diameter size of the rudder bearing sleeve is increased along with the increase of the temperature, and the assembly is also influenced due to the influence of the possible inclination error of the rudder bearing sleeve during the hoisting process, so that the rudder bearing sleeve needs to be quickly installed in place in a short time before the size of the rudder bearing sleeve is increased to an allowable assembly gap, otherwise the phenomenon of midway clamping can occur, the repeated installation and disassembly of the rudder bearing sleeve is caused, the installation efficiency is low on one hand, on the other hand, the repeated installation and disassembly of the rudder bearing sleeve is labor-consuming and time-consuming, and certain damage can be caused to the surface of a rudder bearing hole, so that the installation quality and the.
Disclosure of Invention
In order to solve the problems, the invention provides a rudder bearing sleeve mounting tool, aiming at reducing the cost of the tool and improving the mounting efficiency and quality. The specific technical scheme is as follows:
the utility model provides a rudder bearing sleeve installation frock, includes the jib and connects jib lower extreme position and with rise jib vertically cross support, the cross support is by two criss-cross rectangle side pipes that are each other about the butt joint connect form, each the both ends rectangle hole of rectangle side pipe is equallyd divide and is inserted respectively and to have followed the flexible baffle that removes of rectangle hole of rectangle side pipe, the overhanging end of flexible baffle is provided with the location step that is used for fixing a position rudder bearing sleeve lower extreme hole and terminal surface, the side of rectangle side pipe is provided with and is used for fixing telescopic baffle's side direction fastening screw, the upper end that rises the jib is provided with the lug hole.
Preferably, a plurality of radial support rods for supporting inner holes of the rudder bearing sleeve are distributed on the rod body of the lifting rod above the cross-shaped support along the circumferential direction in a dispersed manner.
The radial support rod is connected with the lifting rod through a mounting connecting hole arranged on the rod body of the lifting rod.
Preferably, a plurality of groups of mounting connecting holes can be arranged on the rod body of the lifting rod according to the up-down positions, so that the radial supporting rod can obtain different heights to adapt to the mounting requirements of rudder bearing sleeves with different heights.
As a further improvement of the arrangement of the radial support rod, a sliding sleeve is arranged on the rod body of the lifting rod, the installation connecting hole is arranged on the sliding sleeve, and the sliding sleeve is fixed with the rod body of the lifting rod through a fixing screw.
In order to further improve the reliability of installation, prevent that rudder bearing cover from rising temperature at the excessive speed and influencing the installation in hoist and mount and installation, still be provided with hoist and mount dynamic cooling device on the rudder bearing cover installation frock, hoist and mount dynamic cooling device includes the liquid nitrogen hole that the jib set up along the axial, the upper end position that plays the jib is provided with the intercommunication the liquid nitrogen input coupling in liquid nitrogen hole, the lower extreme position that plays the jib is provided with the intercommunication the liquid nitrogen output jet orifice in liquid nitrogen hole.
The liquid nitrogen supply in the liquid nitrogen hole is transmitted by connecting an external liquid nitrogen supply device through a liquid nitrogen input pipe joint and a liquid nitrogen hose. And in the hoisting process, controllable amount of liquid nitrogen can be conveyed to the liquid nitrogen hole as required, and the inside of the rudder bearing sleeve is cooled through the liquid nitrogen output injection hole.
As one of the safe consideration schemes to the dynamic cooling device for hoisting, the lifting rod is provided with an upper sealing cover at the position close to the radial support rod, the lifting rod is provided with a lower sealing cover at the position close to the cross-shaped support, the outer circles of the upper sealing cover and the lower sealing cover are respectively in clearance fit with the inner hole of the rudder bearing sleeve, the jet holes are located between the upper sealing cover and the lower sealing cover, and the number of the jet holes is distributed in a plurality and along the circumferential direction.
As a second safety consideration scheme for the hoisting dynamic cooling device, a liquid collecting sleeve is sleeved outside the position of the jet hole on the hoisting rod, the liquid collecting sleeve is provided with a liquid collecting cavity communicated with the jet hole, an annular ring is in clearance fit with the inner hole wall of the rudder bearing sleeve, the annular ring is a hollow annular ring with an annular hollow cavity inside, the annular hollow cavity of the annular ring is communicated with the liquid collecting sleeve through a liquid nitrogen hose, and liquid nitrogen spraying holes communicated with the annular hollow cavity are dispersedly distributed on the outer circle of the annular ring.
Preferably, the two safety considerations discussed above are also used in combination.
Preferably, the liquid nitrogen input pipe joint is connected to a liquid nitrogen steel cylinder through a liquid nitrogen hose.
In the invention, a reinforcing rib is connected between two rectangular square tubes of the cross-shaped bracket.
According to the invention, a rack is arranged on the upper side plane of the telescopic baffle, and a rack locking screw for locking the rack is arranged on the upper side plane of the rectangular square tube.
As an optimal scheme for fixing the annular ring, a plurality of annular ring hanging lugs are arranged on the annular ring, hanging lug holes are formed in the annular ring hanging lugs, and the annular ring is hung on the radial support rod through the hanging lug holes formed in the annular ring hanging lugs and is fixed through jacking screws.
In order to guarantee smooth assembly of the tool, the lifting lug hole is formed in the lifting ring, and the lifting ring is detachably arranged.
The invention has the beneficial effects that:
first, according to the rudder bearing sleeve mounting tool, the position of the radial support rod in the height direction can be adjusted up and down, and the telescopic baffle can be adjusted radially, so that the rudder bearing sleeve mounting tool can be well suitable for mounting rudder bearing sleeves of different sizes, and is good in universality, low in use cost and high in reliability.
Secondly, the rudder bearing sleeve mounting tool provided by the invention can effectively prevent the problem that the temperature of the rudder bearing sleeve is too fast to affect mounting in the hoisting and mounting processes by arranging the hoisting dynamic cooling device, so that the mounting reliability is further improved, and the mounting efficiency and quality are also improved.
Thirdly, the rudder bearing sleeve mounting tool can also be used for dismounting the rudder bearing sleeve, and the hoisting dynamic cooling device can quickly cool the rudder bearing sleeve before dismounting, so that the dismounting difficulty of the rudder bearing sleeve is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a rudder bearing sleeve mounting tool of the present invention;
FIG. 2 is a schematic view of one of the improved structures formed on the basis of the rudder carrier mounting fixture of FIG. 1;
FIG. 3 is a schematic view of a second improved structure formed on the basis of the rudder carrier mounting fixture of FIG. 1;
FIG. 4 is a schematic view of a third improved structure formed on the basis of the rudder carrier mounting fixture of FIG. 1;
fig. 5 is a schematic view of a connection structure of the rudder bearing sleeve mounting tool main body part and a liquid nitrogen steel cylinder.
In the figure: 1. lifting rods, 2, a cross-shaped support, 3, a rectangular square tube, 4, a telescopic baffle, 5, reinforcing ribs, 6, positioning steps, 7, lateral fastening screws, 8, lifting lug holes, 9, radial supporting rods, 10, a sliding sleeve, 11, fixing screws, 12, liquid nitrogen holes, 13, a liquid nitrogen input pipe joint, 14, liquid nitrogen output injection holes, 15, an upper sealing cover, 16, a lower sealing cover, 17, a liquid collecting sleeve, 18, an annular ring, 19, an annular hollow cavity, 20, a liquid nitrogen hose, 21, a liquid nitrogen spraying hole, 22, a liquid nitrogen steel cylinder, 23, racks, 24, rack locking screws, 25, annular ring hanging lugs, 26, jacking screws, 27 and a rudder bearing sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 5 show an embodiment of a rudder bearing sleeve mounting tool according to the present invention, which includes a lifting rod 1 and a cross bracket 2 connected to a lower end portion of the lifting rod 1 and perpendicular to the lifting rod 1, wherein the cross bracket 2 is formed by connecting two cross rectangular square tubes 3 in an up-and-down abutting manner, a telescopic baffle 4 capable of moving telescopically along a rectangular inner hole of each rectangular square tube 3 is respectively inserted into rectangular inner holes at two ends of each rectangular square tube 3, a positioning step 6 for positioning a lower end inner hole and an end surface of a rudder bearing sleeve 27 is arranged at an overhanging end of each telescopic baffle 4, a lateral fastening screw 7 for fixing the telescopic baffle 4 is arranged on a side surface of each rectangular square tube 3, and a lug hole 8 is arranged at an upper end of the lifting rod 1.
Preferably, a plurality of radial support rods 9 for supporting the inner holes of the rudder bearing sleeve 27 are distributed on the rod body of the lifting rod 1 above the cross-shaped bracket 2 along the circumferential direction in a dispersed manner.
The radial support rod 9 is connected with the lifting rod 1 through a mounting connection hole arranged on the rod body of the lifting rod 1.
Wherein, the mounting connection hole may be a threaded hole.
Preferably, a plurality of sets of mounting connection holes can be arranged on the shaft of the lifting rod 1 according to the up-down position, so that the radial support rod 9 can obtain different heights to adapt to the mounting requirements of the rudder bearing sleeves 27 with different heights.
As a further improvement of the arrangement of the radial support rod 9 in the present invention, a sliding sleeve 10 is arranged on the shaft of the lifting rod 1, the mounting connection hole is arranged on the sliding sleeve 10, and the sliding sleeve 10 is fixed with the shaft of the lifting rod 1 through a fixing screw 11.
In order to further improve the reliability of installation, prevent rudder bearing sleeve 27 and heat up too fast and influence the installation in hoist and mount and installation, still be provided with hoist and mount dynamic cooling device on the rudder bearing sleeve installation frock, hoist and mount dynamic cooling device includes the liquid nitrogen hole 12 that plays jib 1 and set up along the axial, the upper end position that plays jib 1 is provided with the intercommunication liquid nitrogen input coupling 13 in liquid nitrogen hole 12, the lower extreme position that plays jib 1 is provided with the intercommunication liquid nitrogen output jet orifice 14 in liquid nitrogen hole 12.
The liquid nitrogen supply in the liquid nitrogen hole 12 is transmitted by connecting an external liquid nitrogen supply device through a liquid nitrogen input pipe joint 13 and a liquid nitrogen hose. In the hoisting process, controllable amount of liquid nitrogen can be conveyed to the liquid nitrogen hole 12 according to the requirement, and the inside of the rudder bearing sleeve 27 is cooled through the liquid nitrogen output jet hole 14.
As one of the safety consideration schemes for the above-mentioned hoisting dynamic cooling device, the position on the lifting rod 1 close to the radial support rod 9 is provided with an upper sealing cover 15, the position on the lifting rod 1 close to the cross bracket 2 is provided with a lower sealing cover 16, the outer circles of the upper sealing cover 15 and the lower sealing cover 16 are respectively in clearance fit with the inner hole of the rudder bearing sleeve, the injection hole 14 is located between the upper sealing cover 15 and the lower sealing cover 16, and the number of the injection hole 14 is distributed in a plurality and along the circumferential direction.
As a second safety consideration scheme for the hoisting dynamic cooling device, a liquid collecting sleeve 17 is sleeved outside the position of the injection hole 14 on the hoisting rod 1, a liquid collecting cavity communicated with the injection hole 14 is formed in the liquid collecting sleeve 17, an annular ring 18 is in clearance fit with the inner hole wall of the rudder bearing sleeve 27, the annular ring 18 is a hollow annular ring with an annular hollow cavity 19 inside, the annular hollow cavity 19 of the annular ring 18 is communicated with the liquid collecting sleeve 17 through a liquid nitrogen hose 20, and liquid nitrogen spraying holes 21 communicated with the annular hollow cavity 19 are dispersedly distributed in the outer circle of the annular ring 18.
Preferably, the two safety considerations discussed above are also used in combination.
Preferably, the liquid nitrogen input pipe joint 13 is connected to a liquid nitrogen steel cylinder 22 through a liquid nitrogen hose 20.
In the invention, a reinforcing rib 5 is connected between two rectangular square tubes 3 of the cross-shaped bracket 2.
In the invention, a rack 23 is arranged on the upper side plane of the telescopic baffle 4, and a rack locking screw 24 for locking the rack 23 is arranged on the upper side plane of the rectangular square tube 3.
As a preferable scheme for fixing the annular ring 18, a plurality of annular ring hanging lugs 25 are arranged on the annular ring 18, hanging lug holes are arranged on the annular ring hanging lugs 25, and the annular ring 18 is hung on the radial support rod 9 through the hanging lug holes arranged on the annular ring hanging lugs 25 and is fixed through a tightening screw 26.
In order to guarantee smooth assembly of the tool, the lifting lug hole 8 is formed in the lifting ring, and the lifting ring is detachably arranged.
The main body part of the tool is manufactured as follows:
the two rectangular square pipes 3 are welded in a crossed manner from top to bottom, the upper part of the middle of the upper rectangular square pipe 3 is welded with a suspension rod 1, and symmetrical reinforcing ribs 5 are welded between the two rectangular square pipes 3 and between the connecting parts of the rectangular square pipes 3 and the suspension rod 1 to increase the strength of the tool.
Every rectangle side pipe 3 is equipped with in pairs opposite direction's telescopic baffle 4, in order to guarantee two pairs of telescopic baffle 4 at the coplanar, wherein the end of overhanging of a pair of telescopic baffle 4 of higher authority bends down with a pair of telescopic baffle 4 parallel and level below, telescopic baffle 4's the end of overhanging is equipped with location step 6, location step 6 can play the effect of location rudder bearing cover 27 lower extreme internal diameter, sawtooth rack 23 forms is all made on telescopic baffle 4 upper portion, so that it is fixed with rack locking screw 24 on the rectangle side pipe 3, and play the effect of reliably fixing telescopic baffle 4.
The radial support rods 9 are four and evenly distributed along the circumferential direction, and the length of the radial support rods 9 is selected according to the inner hole of the rudder bearing sleeve 27.
The upper cover 15 and the lower cover 26 may be made of thin stainless steel plate, wherein the outer ring portion of the lower cover 26 is formed with a downward step by punching. The annular ring 18 is made of a thin stainless steel plate through rolling and tailor welding, an annular hollow cavity 19 is formed in the middle, and liquid nitrogen spray holes 21 are densely drilled in the outer circular surface of the annular ring 18.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a rudder bearing sleeve installation frock, its characterized in that includes the jib and connects rise jib lower extreme position and with rise jib vertically cross support, the cross support is by two criss-cross rectangle side pipes that are each other about the butt joint form, each the both ends rectangle hole of rectangle side pipe is equallyd divide and is inserted respectively and to have followed the flexible baffle of removing of rectangle hole of rectangle side pipe, the overhanging end of flexible baffle is provided with the location step that is used for fixing a position rudder bearing sleeve lower extreme hole and terminal surface, the side of rectangle side pipe is provided with and is used for fixing flexible baffle's side direction fastening screw, the upper end of rising the jib is provided with the lug hole.
2. The rudder bearing sleeve mounting tool according to claim 1, wherein a plurality of radial support rods for supporting inner holes of the rudder bearing sleeve are distributed on the rod body of the lifting rod above the cross support along the circumferential direction in a dispersed manner.
3. The rudder bearing sleeve mounting tool according to claim 1, wherein the radial support rod is connected with the lifting rod through a mounting connection hole formed in a rod body of the lifting rod.
4. The rudder bearing sleeve mounting tool according to claim 3, wherein a sliding sleeve is arranged on the rod body of the lifting rod, the mounting connection hole is formed in the sliding sleeve, and the sliding sleeve is fixed with the rod body of the lifting rod through a fixing screw.
5. The rudder bearing sleeve mounting tool according to claim 2, further comprising a hoisting dynamic cooling device, wherein the hoisting dynamic cooling device comprises a liquid nitrogen hole axially formed in the hoisting rod, a liquid nitrogen input pipe joint communicated with the liquid nitrogen hole is arranged at the upper end of the hoisting rod, and a liquid nitrogen output jet hole communicated with the liquid nitrogen hole is arranged at the lower end of the hoisting rod.
6. The rudder bearing sleeve mounting tool according to claim 5, wherein an upper sealing cover is arranged on the lifting rod at a position close to the radial support rod, a lower sealing cover is arranged on the lifting rod at a position close to the cross-shaped support, outer circles of the upper sealing cover and the lower sealing cover are in clearance fit with an inner hole of the rudder bearing sleeve respectively, the injection holes are located between the upper sealing cover and the lower sealing cover, and the number of the injection holes is a plurality of and is distributed dispersedly along the circumferential direction.
7. The rudder carrier mounting tool according to claim 5, wherein a liquid collecting sleeve is sleeved outside a position of the lifting rod on the jet hole, a liquid collecting cavity communicated with the jet hole is formed in the liquid collecting sleeve, an annular ring is in clearance fit with a position close to the inner hole wall of the rudder carrier, the annular ring is a hollow annular ring with an annular hollow cavity inside, the annular hollow cavity of the annular ring is communicated with the liquid collecting sleeve through a liquid nitrogen hose, and liquid nitrogen spraying holes communicated with the annular hollow cavity are dispersedly distributed on the outer circle of the annular ring.
8. The rudder bearing sleeve mounting tool according to claim 5, wherein the liquid nitrogen input pipe joint is connected to a liquid nitrogen steel cylinder through a liquid nitrogen hose.
9. The rudder bearing sleeve mounting tool according to claim 1, wherein a reinforcing rib is connected between two rectangular square tubes of the cross bracket.
10. The rudder bearing sleeve mounting tool according to claim 1, wherein a rack is arranged on the upper plane of the telescopic baffle, and a rack locking screw for locking the rack is arranged on the upper plane of the rectangular square tube.
CN202010223323.2A 2020-03-26 2020-03-26 Rudder bearing sleeve mounting tool Active CN111496466B (en)

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Application Number Priority Date Filing Date Title
CN202010223323.2A CN111496466B (en) 2020-03-26 2020-03-26 Rudder bearing sleeve mounting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010223323.2A CN111496466B (en) 2020-03-26 2020-03-26 Rudder bearing sleeve mounting tool

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CN111496466A true CN111496466A (en) 2020-08-07
CN111496466B CN111496466B (en) 2021-07-27

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112374341A (en) * 2020-10-22 2021-02-19 浙江景兴纸业股份有限公司 Hoisting device for screen cylinder
CN113634984A (en) * 2021-08-18 2021-11-12 哈尔滨汽轮机厂有限责任公司 Auxiliary positioning device for eliminating wheel hole defects of steam turbine rotor and using method
CN113858121A (en) * 2021-10-29 2021-12-31 中船黄埔文冲船舶有限公司 Ship stern tube shafting dismounting tool and dismounting method
CN116730179A (en) * 2023-05-24 2023-09-12 马鞍山市广源法兰环件有限公司 Special lifting appliance for high-temperature flange ring piece and use method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738979A (en) * 2017-10-30 2018-02-27 中船澄西船舶修造有限公司 A kind of rudder bearer mounting tool
CN107777533A (en) * 2017-10-30 2018-03-09 中船澄西船舶修造有限公司 A kind of rudder bearer installation method
US20190226572A1 (en) * 2018-01-19 2019-07-25 Magna Powertrain Of America, Inc. Method of joining a pinion cartridge and an axle housing
CN110052781A (en) * 2019-04-24 2019-07-26 日照港达船舶重工有限公司 A kind of axle sleeve remover-and-replacer and its application method
CN110561033A (en) * 2018-06-06 2019-12-13 灵璧翔宇轴承有限公司 be used for cryogenic frock of bearing liquid nitrogen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107738979A (en) * 2017-10-30 2018-02-27 中船澄西船舶修造有限公司 A kind of rudder bearer mounting tool
CN107777533A (en) * 2017-10-30 2018-03-09 中船澄西船舶修造有限公司 A kind of rudder bearer installation method
US20190226572A1 (en) * 2018-01-19 2019-07-25 Magna Powertrain Of America, Inc. Method of joining a pinion cartridge and an axle housing
CN110561033A (en) * 2018-06-06 2019-12-13 灵璧翔宇轴承有限公司 be used for cryogenic frock of bearing liquid nitrogen
CN110052781A (en) * 2019-04-24 2019-07-26 日照港达船舶重工有限公司 A kind of axle sleeve remover-and-replacer and its application method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112374341A (en) * 2020-10-22 2021-02-19 浙江景兴纸业股份有限公司 Hoisting device for screen cylinder
CN113634984A (en) * 2021-08-18 2021-11-12 哈尔滨汽轮机厂有限责任公司 Auxiliary positioning device for eliminating wheel hole defects of steam turbine rotor and using method
CN113858121A (en) * 2021-10-29 2021-12-31 中船黄埔文冲船舶有限公司 Ship stern tube shafting dismounting tool and dismounting method
CN116730179A (en) * 2023-05-24 2023-09-12 马鞍山市广源法兰环件有限公司 Special lifting appliance for high-temperature flange ring piece and use method
CN116730179B (en) * 2023-05-24 2024-02-23 马鞍山市广源法兰环件有限公司 Special lifting appliance for high-temperature flange ring piece and use method

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