CN115383173B - Boring device for ship segmented stern shaft tube - Google Patents

Boring device for ship segmented stern shaft tube Download PDF

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Publication number
CN115383173B
CN115383173B CN202211217696.4A CN202211217696A CN115383173B CN 115383173 B CN115383173 B CN 115383173B CN 202211217696 A CN202211217696 A CN 202211217696A CN 115383173 B CN115383173 B CN 115383173B
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China
Prior art keywords
boring
boring bar
leveling
segmented
gear
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CN202211217696.4A
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CN115383173A (en
Inventor
刘北英
刘基盛
邢峰
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Priority to CN202211217696.4A priority Critical patent/CN115383173B/en
Publication of CN115383173A publication Critical patent/CN115383173A/en
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Publication of CN115383173B publication Critical patent/CN115383173B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/02—Boring bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
    • B23Q1/76—Steadies; Rests
    • B23Q1/766—Steadies or rests moving together with the tool support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02—Driving main working members
    • B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00—Maritime or waterways transport
    • Y02T70/10—Measures concerning design or construction of watercraft hulls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention provides a boring device for a ship segmented stern shaft tube, which relates to the technical field of machining, and comprises: the boring bar mechanism is arranged between end supports at two ends, and is provided with a boring cutter mechanism, wherein the boring bar mechanism comprises a boring bar and large nuts arranged at two ends of the boring bar, and the boring bar mechanism is propped between the end supports at two ends and is in a straight state by rotating the large nuts; and an intermediate support is arranged at the intermediate position of the boring bar, and the intermediate support drives the intermediate position of the boring bar to move towards a designated direction so as to compensate the deflection of the boring bar. The invention can eliminate errors caused by boring bar rotation precision in the boring process of the large ship subsection stern shaft tube and compensate errors caused by deflection to a great extent.

Description

Boring device for ship segmented stern shaft tube
Technical Field
The invention relates to the technical field of machining, in particular to a boring device for a ship segmented stern shaft tube.
Background
In the traditional boring operation of a stern shaft tube of a large ship, a boring bar is usually adopted to drive a boring cutter to rotate. The boring accuracy is seriously affected due to the problems of boring bar deflection, bearing rotation accuracy and the like. In order to solve the problems, the existing large ship stern shaft tube boring equipment adopts a mode of adding an intermediate support, but the mode has limited deflection compensation and can not compensate errors caused by rotation precision, so that the existing method has certain limitations.
Disclosure of Invention
In order to solve the technical problems that the deflection compensation of a boring bar is limited and the error caused by the rotation precision cannot be compensated in the prior art, one embodiment of the invention provides a boring device for a ship segmented stern shaft tube, which comprises: the boring bar mechanism is provided with a boring bar,
the boring bar mechanism is arranged between the end supports at the two ends, and is provided with a boring cutter mechanism, wherein,
the boring bar mechanism comprises a boring bar and large nuts arranged at two ends of the boring bar, and the boring bar mechanism is propped between the end supports at the two ends and is in a straight state by rotating the large nuts;
and an intermediate support is arranged at the intermediate position of the boring bar, and the intermediate support drives the intermediate position of the boring bar to move towards a designated direction so as to compensate the deflection of the boring bar.
In a preferred embodiment, the boring cutter mechanism at least comprises a rotary disk, and a boring cutter sliding table component is fixed on the rotary disk;
when the rotary disk rotates, the boring cutter sliding table component is driven to rotate, and the segmented stern shaft tube is bored.
In a preferred embodiment, the boring cutter mechanism further comprises a sleeve, a boring cutter rotating motor, a pinion and a large gear are arranged outside the sleeve,
the small gear is arranged on an output shaft of the boring cutter rotating motor, the large gear is fixed with the rotating disc, and the small gear is meshed with the large gear;
and the boring cutter rotating motor drives the pinion to rotate and drives the rotating disk fixedly connected to the large gear to rotate, so that the segmented stern shaft tube is bored.
In a preferred embodiment, the boring cutter mechanism further comprises: the opening and nut is fixed on the sleeve, the boring bar is provided with a U-shaped groove, and a screw rod is arranged in the U-shaped groove;
the screw rod is matched with the opening and nut, and when the screw rod rotates, the opening and nut is driven to move along the axial direction of the boring bar, so that the boring tool mechanism is driven to feed or retract.
In a preferred embodiment, the sensor component is fixed to the rotating disc, which is fixedly connected to the slip ring.
In a preferred embodiment, the intermediate support comprises a worm gear lifter and a support block,
the support block is arranged on the boring bar, a plurality of worm and gear lifters are uniformly arranged on the outer side of the support block in the circumferential direction, and the support block is driven to move along the appointed direction through the worm and gear lifters, so that deflection of the boring bar is compensated.
In a preferred embodiment, the end support comprises at least a support plate,
when the large nut is propped against the supporting plate by rotating the large nut, the boring bar mechanism is propped between the end supports at the two ends and is in a straightened state.
In a preferred embodiment, the end support further comprises at least three leveling members, and leveling plates,
the leveling plates are fixed with the supporting plate, the leveling components are uniformly arranged on the leveling plates, and the leveling plates supported by the end parts at the two ends of the boring bar mechanism are parallel and kept perpendicular to the boring bar by fine adjustment of the leveling components.
In a preferred embodiment, the leveling component is provided with an electromagnet by which the leveling plate is attracted to the end of the segmented stern shaft tube.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
the invention provides a boring device for a ship segmented stern shaft tube, wherein end supports are distributed at two ends of a boring bar mechanism and play a role in supporting and fixing the boring bar mechanism; the middle support is arranged in the middle of the boring bar mechanism and compensates the deflection of the boring bar to a certain extent; boring cutter mechanisms are distributed between the end supports and the middle supports, and boring is carried out on the segmented stern shaft tube; the boring bar main body is kept static in the boring process and is always in a tense state under the action of the large nut and the supporting plate. The invention can eliminate the error caused by boring bar rotation precision in the boring process of the large ship subsection stern shaft tube and largely compensate the error caused by deflection, and avoid the error caused by boring bar deflection and rotation precision in the boring process.
The invention provides a boring device for a ship segmented stern shaft tube, which has low equipment manufacturing cost, has good experimental value for practical application in boring processing of the segmented stern shaft tube of a large ship, and can generate good economic benefit and social benefit after wide popularization and application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic general structural diagram of a marine vessel section stern tube boring apparatus according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of a boring bar mechanism according to one embodiment of the present invention.
FIG. 3 is a schematic diagram of a boring cutter mechanism in accordance with one embodiment of the present invention.
FIG. 4 is a cross-sectional view of a boring tool configuration in accordance with one embodiment of the invention.
Fig. 5 is a schematic view of the structure of the intermediate support in one embodiment of the invention.
Fig. 6 is a schematic view of the structure of an end support in one embodiment of the invention.
Figure 7 is a cross-sectional view of a leveling component in one embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to solve the problem of machining errors caused by boring bar deflection and bearing rotation in the process of boring a stern tube of a large ship, as shown in fig. 1, in one embodiment of the invention, a general structural schematic diagram of a ship section stern tube boring device is provided, and according to the embodiment of the invention, the device comprises: a boring bar mechanism 1, a boring cutter mechanism 2, an end support 4 and an intermediate support 3.
According to an embodiment of the present invention, the boring bar mechanism 1 is disposed between end supports 4 at both ends, and the boring bar mechanism 1 is mounted with the boring bar mechanism 2 and the intermediate support 3. During operation, the boring bar mechanism 1 remains stationary throughout and does not rotate.
In some preferred embodiments, the intermediate support 3 is arranged in the middle of the boring bar mechanism 1, with one boring bar mechanism 2 between each of the two end supports 4 and the intermediate support 3.
As shown in fig. 2, according to an embodiment of the present invention, the boring bar mechanism 1 includes a boring bar 8 and large nuts 6 disposed at both ends of the boring bar 8, and the boring bar mechanism 1 is supported between end supports 4 at both ends by rotating the large nuts 6, and the boring bar 8 is in a straightened state.
In a specific embodiment, the boring bar mechanism 1 comprises a handle 5, a large nut 6, a lead screw 7 and a boring bar 8. The boring bar 8 is provided with a U-shaped groove, and a screw rod 7 is arranged in the U-shaped groove. The two ends of the boring bar 8 are provided with threads which are matched with the large nut 6, so that the large nut 6 can be screwed on the boring bar 8. The handle 5 is fixedly connected to the large nut 6, the large nut 6 can be rotated by pulling the handle 5, so that the large nut 6 moves along the axial direction of the boring bar 8, the large nut 6 is screwed on the boring bar 8, and the boring bar mechanism 1 is propped between the end supports 4 at the two ends.
The included angle between the slotting direction of the U-shaped groove formed in the boring bar 8 and the vertical direction is ninety degrees, namely the slotting direction is horizontally leftwards or rightwards.
As shown in fig. 3, a schematic structural diagram of a boring cutter mechanism in an embodiment of the present invention, and as shown in fig. 4, a sectional view of a boring cutter structure in an embodiment of the present invention, according to an embodiment of the present invention, the boring cutter mechanism 2 includes a rotating disc 18, a boring cutter sliding table part 15 is fixed on the rotating disc 18, and a boring cutter is fixed on the boring cutter sliding table part 15. When the rotary disk 18 rotates, the boring cutter sliding table part 15 is driven to rotate, and the boring cutter is used for boring the segmented stern shaft tube.
In some embodiments, the implementation of the revolute pair of the boring cutter mechanism 2 is not exclusive, including but not limited to a direct gear set, an internal gear set, a face gear set, or a frameless motor.
In a specific embodiment, the boring cutter mechanism 2 comprises a fixed plate 9, a pinion 10, a large gear 11, an opening and nut 12, a boring cutter rotating motor 13, a protective cover 14, a boring cutter sliding table component 15, a slip ring 16, a sensor component 17, a rotating disk 18, a bearing 19 and a sleeve 20.
The boring cutter rotating motor 13, the pinion 10 and the large gear 11 are arranged on the outer side of the sleeve 20. Specifically, a fixed plate 9 is mounted on a sleeve 20, a boring cutter rotating motor 13 is connected to the fixed plate 9, a pinion 10 is mounted on an output shaft of the boring cutter rotating motor 13, a large gear 11 is fixed with a rotary disk 18, the pinion 10 is meshed with the large gear 11, and the large gear 11 is fixed on the outer side of the sleeve 20 through a bearing 19. The inner ring of the bearing 19 is fixed on the outer side of the sleeve 20, and the outer ring of the bearing 19 is fixed with the large gear 11.
The boring cutter rotating motor 13 provides power for the pinion gear 10, drives the pinion gear 10 to rotate, and drives the rotating disk 18 fixedly connected to the large gear 11 to rotate so as to bore the segmented stern shaft tube.
According to an embodiment of the invention, the boring tool mechanism 2 further comprises an opening and nut 12, the opening and nut 12 being secured to the sleeve 20. Specifically, sleeve 20 is secured to the open and end of nut 12. The U-shaped groove formed in the boring bar 8 is internally provided with a lead screw 7, the lead screw 7 is matched with an opening and nut 12, and when the lead screw 7 is driven to rotate by an external motor (not shown in the figure), the opening and nut 12 is driven to move along the axial direction of the boring bar 8, so that the boring cutter mechanism 2 is driven to feed or retract. It should be appreciated that the inner surface of the opening and nut 12 has threads that mate with the threads of the lead screw 7, so that the lead screw 7 mates with the opening and nut 12, and the opening and nut 12 is driven by the lead screw 7 so that the boring tool mechanism 2 as a whole is axially movable along the boring bar 8.
According to an embodiment of the invention, the sensor member 17 is also fixed on the rotating disc 18, the rotating disc 18 being fixedly connected to the inner ring of the slip ring 16. The boring cutter sliding table part 15, the sensor part 17 and the inner ring of the slip ring 16 are driven by the rotating disk 18 to realize circumferential rotation, and the outer ring of the slip ring 16 is fixed. The boring cutter sliding table part 15 rotates circumferentially to realize boring of the segmented stern shaft tube, the sensor part 17 rotates circumferentially to realize multipoint measurement, and signal communication is carried out between the sliding ring 16 and the outside.
In some embodiments, the outer surface shape of boring bar 8 may be cylindrical or rectangular or triangular, etc. The shape of the internal bore of the split nut 12 and sleeve 20 should be consistent with the shape of the external surface of the boring bar 8 as the shape of the boring bar 8 changes. It will be appreciated that, regardless of the change in profile of the boring bar 8, there should be sufficient clearance between the inner bore surface of the inner ring of the slip ring 16 and the outer surface of the boring bar 8 to ensure that the inner ring of the slip ring 16 rotates with the rotating disc 18.
In some embodiments, the boring bar 8 is hollow internally and a through hole is punched on one side in the radial direction (on the side wall of the boring bar 8) to facilitate the connection of the cable to the outer ring of the slip ring 16.
In some preferred embodiments, the number of sensor elements 17 may be one, two or more.
According to the embodiment of the invention, the middle position of the boring bar 8 is provided with the middle support 3, and the middle support 3 drives the middle position of the boring bar 8 to move towards a designated direction so as to compensate the deflection of the boring bar 8. As shown in fig. 5, in an embodiment of the present invention, the middle support 3 includes a worm gear lifter 21 and a support block 22, where the support block 22 is provided with a mounting hole, and is mounted on the boring bar 8 through the mounting hole. In some embodiments, the shape of the mounting holes of the support blocks 22 is consistent with the shape of the outer surface of the boring bar 8.
Outside the support block 22, a plurality of worm gear lifters 21 are uniformly arranged in the circumferential direction, and the support block 22 is driven to move in a specified direction by the worm gear lifters 21, so that deflection of the boring bar 8 is compensated.
In some embodiments, the number of worm gear lifters 21 may be two, three, or four, and each worm gear lifter 21 may be operated individually or in combination such that the support block 22 moves in a designated direction. It should be understood that each worm gear lifter 21 abuts against the inner wall of the segmented stern tube to realize the compensation of the deflection of the boring bar 8 by driving the support block 22 to move in a specified direction (compensating the bending direction of the boring bar 8).
According to the embodiment of the invention, the two end supports 4 are arranged at the two ends of the boring bar mechanism 1, play a role in supporting and fixing the boring bar mechanism 1, and realize that the boring bar mechanism 1 is always static in the working process, and deflection is only generated in the vertical direction.
The end support 4 comprises a support plate 23, a leveling component 24 and a leveling plate 25, as shown in fig. 6, which is a schematic view of the structure of the end support in one embodiment of the invention, and in fig. 7, which is a cross-sectional view of the leveling component in one embodiment of the invention.
When the large nut 6 is made to bear against the support plate 23 by rotating the large nut 6, the boring bar mechanism 1 is made to bear between the end supports 4 at both ends, and the boring bar 8 is made to be in a straightened state.
According to the embodiment of the present invention, the leveling plate 25 is fixed to the support plate 23, and the leveling members 24 are uniformly arranged on the leveling plate 25, and at least three leveling members 24. In some embodiments, leveling members 24 may be four or more.
By changing the depth of screwing the leveling members 24 into the leveling plates 25, the axial length of each leveling member 24 is finely adjusted, so that the leveling plates 25 of the end supports 4 at the two ends of the boring bar mechanism 1 are parallel and kept perpendicular to the boring bar 8, namely, the parallelism of the leveling plates 25 at the two ends of the boring bar 8 and the perpendicularity of the leveling plates 25 and the boring bar 8 are ensured. The support plate 23 and the leveling plate 25 support the boring bar 8 and restrict the boring bar 8 from rotating.
According to the embodiment of the invention, an electromagnet is arranged in the middle of the leveling component 24, and the leveling plate 25 is adsorbed on the end part of the segmented stern shaft tube through the electromagnet.
According to the embodiment of the invention, the large nut 6 can be rotated along the thread at the end of the boring bar 8 by pulling the handle 5, so that the large nut 6 moves along the axial direction of the boring bar 8, and meanwhile, the support plate 23 can limit the moving distance of the large nut 6, so that the boring bar 8 is in a tight state.
Before the device works, the rotary handle 5 drives the large nut 6 to move along the thread at the end part of the boring bar 8 and prop against the supporting plate 23, so that the boring bar 8 is in a stretching and straightening state. The axial extension distance of each leveling component 24 is adjusted, so that the parallelism of leveling plates 25 at two ends of the boring bar 8 and the perpendicularity of the leveling plates 25 and the boring bar 8 are ensured.
The boring cutter mechanism 2 is driven to feed and retract in the axial direction of the boring bar 8 through the screw rod 7 and the opening and nut 12, and the boring cutter rotating motor 13 drives the pinion 10 to drive the large gear 11 to rotate, so that the boring cutter sliding table part 15 on the rotating disc 18 is driven to rotate, and boring of the sectional stern shaft tube is realized. The slip ring 16 realizes communication between the boring cutter slip table part 15 and the sensor part 17 and the outside.
The worm and gear lifter 21 can be controlled to work singly or jointly according to the data acquired by the sensor component 17, and the middle part of the boring bar 8 is driven to move in a designated direction through the supporting block 22, so that deflection of the boring bar 8 is compensated to a certain extent.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (7)

1. A marine segmented stern tube boring apparatus, the boring apparatus comprising: the boring bar mechanism is provided with a boring bar,
the boring bar mechanism is arranged between the end supports at the two ends, and is provided with a boring cutter mechanism, wherein,
the boring bar mechanism comprises a boring bar and large nuts arranged at two ends of the boring bar, and the boring bar mechanism is propped between the end supports at the two ends and is in a straight state by rotating the large nuts;
the boring cutter mechanism also comprises a sleeve and a rotary disk, a boring cutter rotating motor, a pinion and a large gear are arranged on the outer side of the sleeve,
the small gear is arranged on an output shaft of the boring cutter rotating motor, the large gear is fixed with the rotating disc, and the small gear is meshed with the large gear;
the boring cutter rotating motor drives the pinion to rotate and drives the rotating disk fixedly connected to the large gear to rotate, so that the segmented stern shaft tube is bored;
the boring cutter mechanism further includes: the opening and nut is fixed on the sleeve, the boring bar is provided with a U-shaped groove, and a screw rod is arranged in the U-shaped groove;
the screw rod is matched with the opening and nut, and when the screw rod rotates, the opening and nut is driven to move along the axial direction of the boring bar, so that the boring tool mechanism is driven to feed or retract;
and an intermediate support is arranged at the intermediate position of the boring bar, and the intermediate support drives the intermediate position of the boring bar to move towards a designated direction so as to compensate the deflection of the boring bar.
2. The marine segmented stern tube boring device of claim 1 wherein a boring cutter slipway member is fixed to the rotary disk;
when the rotary disk rotates, the boring cutter sliding table component is driven to rotate, and the segmented stern shaft tube is bored.
3. The marine vessel segment stern tube boring device of claim 1 wherein the rotary disc has a sensor member fixed thereto, the rotary disc being fixedly connected to a slip ring.
4. The marine vessel section stern tube boring device of claim 1, wherein the intermediate support comprises a worm gear lifter and a support block,
the support block is arranged on the boring bar, a plurality of worm and gear lifters are uniformly arranged on the outer side of the support block in the circumferential direction, and the support block is driven to move along the appointed direction through the worm and gear lifters, so that deflection of the boring bar is compensated.
5. The marine vessel section stern tube boring apparatus of claim 1, wherein the end support comprises at least a support plate,
when the large nut is propped against the supporting plate by rotating the large nut, the boring bar mechanism is propped between the end supports at the two ends and is in a straightened state.
6. The marine vessel section stern tube boring apparatus of claim 5, wherein the end support further comprises at least three leveling members, and a leveling plate,
the leveling plates are fixed with the supporting plate, the leveling components are uniformly arranged on the leveling plates, and the leveling plates supported by the end parts at the two ends of the boring bar mechanism are parallel and kept perpendicular to the boring bar by fine adjustment of the leveling components.
7. The boring device for the ship segmented stern tube of claim 6, wherein the leveling member is provided with an electromagnet by which the leveling plate is attracted to the end of the segmented stern tube.
CN202211217696.4A 2022-09-30 2022-09-30 Boring device for ship segmented stern shaft tube Active CN115383173B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211217696.4A CN115383173B (en) 2022-09-30 2022-09-30 Boring device for ship segmented stern shaft tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211217696.4A CN115383173B (en) 2022-09-30 2022-09-30 Boring device for ship segmented stern shaft tube

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CN115383173A CN115383173A (en) 2022-11-25
CN115383173B true CN115383173B (en) 2023-05-09

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Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0866801A (en) * 1994-08-26 1996-03-12 Chiyoda Corp Internal face machining tool
WO2008092184A1 (en) * 2007-02-01 2008-08-07 Self Leveling Machine Inc. Boring machine for turbine casings
CN101480731B (en) * 2009-01-19 2010-08-11 广东至信船舶配套有限公司 Multi-knife boring processing numerical control borer
CN102974859B (en) * 2012-12-11 2015-01-14 广州中船黄埔造船有限公司 Adjustable middle support device for machining overlength shaft
CN205128970U (en) * 2015-12-02 2016-04-06 大冶有色机电设备修造有限公司 Bore hole device convenient to on --spot major diameter cylinder hole of restoreing
CN208976893U (en) * 2018-10-17 2019-06-14 中北大学 A kind of internal screw thread borer of reducing
CN213496554U (en) * 2020-10-16 2021-06-22 泉州鲤城区铭宏机械有限公司 Flat spiral pan head power head
CN113751749A (en) * 2021-09-02 2021-12-07 上海外高桥造船有限公司 Boring pin machining device and method for long and straight segmented inner hole
CN113857918B (en) * 2021-10-14 2023-03-10 上海外高桥造船有限公司 Digital boring device for ship subsection stern shaft tube

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