CN102974859B - Adjustable middle support device for machining overlength shaft - Google Patents
Adjustable middle support device for machining overlength shaft Download PDFInfo
- Publication number
- CN102974859B CN102974859B CN201210533434.9A CN201210533434A CN102974859B CN 102974859 B CN102974859 B CN 102974859B CN 201210533434 A CN201210533434 A CN 201210533434A CN 102974859 B CN102974859 B CN 102974859B
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- support frame
- spacer shell
- screw
- bracing frame
- adjusting device
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- 238000003754 machining Methods 0.000 title abstract description 4
- 125000006850 spacer group Chemical group 0.000 claims description 49
- 239000002390 adhesive tape Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- 230000007704 transition Effects 0.000 abstract 8
- 239000003921 oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 235000014121 butter Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009514 concussion Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
Abstract
The invention provides an adjustable middle support device for machining an overlength shaft. The adjustable middle support device comprises a transition sleeve and a support frame, wherein the transition sleeve is radially provided with a transition sleeve adjusting device capable of adjusting a distance between the transition sleeve and a boring rod, the support frame is a hollow circular sleeve and is sleeved on the transition sleeve, two end parts of the support frame are in airtight connection with the transition sleeve, the support frame is radially and symmetrically provided with a support frame adjusting device I capable of adjusting the distance between the support frame and the transition sleeve and a support frame adjusting device II capable of adjusting the supporting frame and a hole wall inside a stern shaft tube, a cavity of the support frame is internally provided with a rubber hose, one end of the rubber hose is in contact with the excircle of the transition sleeve, the other end of the rubber hose is connected with an outlet end of an oil filling nozzle which is fixedly arranged inside the cavity of the support frame, and the top end of the oil filling nozzle extends out of the support frame. The adjustable middle support device disclosed by the invention can be used for not only supporting the long boring rod but also guaranteeing the coaxiality in boring a long shaft hole, and has a higher practical value.
Description
Technical field
The invention belongs to machining technique field, be specifically related to a kind of adjustable intermediate strutting device for Super Long-axles processing.
Background technology
The length of 76000 tons of bulk freighter stern tubes has more than 3 meters, needs to carry out Boring to its endoporus.Stern tube inner hole precision is related to the installation of oar axle, so extremely important, the circularity after its bore hole, cylindricity, axiality must reach related process requirement.The major axis machining apparatus of existing Korea S, boring bar length reaches more than 8 meters, and the diameter of boring bar only has 0.22 meter.The boring bar of length like this will inevitably produce amount of deflection when two ends are fixing, so tunica process equipment is equipped with two intermediate bearings, by regulating these two intermediate bearings to eliminate the amount of deflection of boring bar, but still can not reach satisfied processing request, the axiality mainly after bore hole does not reach requirement.The analysis found that, after boring bar is installed, the amount of deflection direction of boring bar is not unidirectional, mainly because at the two ends of boring bar except supporting bearing base, it is also provided with the equipment such as feed gear box, reduction gear box, so, the amount of deflection of boring bar is not the amount of deflection simply produced by gravity, the rigid support of multiple spot, can produce amount of deflection in any direction, and this angle detecting is complicated and regulate correction also very complicated.The rigidity intermediate bearing that original device adopts regulates, also this amount of deflection that may produce in any direction cannot fundamentally be eliminated, because itself be exactly a rigid support, be exactly the rigid constraint increased for boring bar, so the deflection deformation of boring bar only can be made more complicated, and can not eliminate.Learn after further analysis, before processing, the supporting bearing base at stern tube, boring bar two ends these 3 is through correction and ensure that coaxial.So the deflection deformation after boring bar installation does not affect the axiality after bore hole, so can not correct amount of deflection, the intermediate bearing that is original device is equipped with can remove.But because the length of boring bar is long, in order to eliminate the deviation that boring bar vibration produces, this intermediate supports still will be equipped with, so this intermediate supports be equipped with should play the effect of support, ensureing again to make boring bar when not increasing new rigid constraint, namely under free state, carrying out rotation processing.
Summary of the invention
The technical problem that the present invention solves: a kind of adjustable intermediate strutting device for Super Long-axles processing is provided, both can reaches supporting role to long boring bar, the axiality of major axis hole Boring can be ensured again.
The technical solution used in the present invention: for the adjustable intermediate strutting device of Super Long-axles processing, there is spacer shell and bracing frame, described spacer shell radial direction is provided with the spacer shell adjusting device of adjustable spacer shell and boring bar spacing, support frame as described above is that a hollow circle overlaps and to be enclosed within spacer shell and bracing frame both ends and spacer shell are tightly connected, support frame as described above radial symmetric is provided with the bracing frame adjusting device I of adjustable support frame and spacer shell spacing and the bracing frame adjusting device II of adjustable support frame and stern tube inner hole wall, sebific duct is provided with in support frame as described above cavity, described sebific duct one end contacts with spacer shell cylindrical, the sebific duct other end is connected with the fuel filler neck port of export, described fuel filler neck is fixed in bracing frame cavity and bracing frame is stretched out on its top.
Wherein, described spacer shell adjusting device is adjusting bolt I, and described spacer shell radial direction is evenly shaped with screwed hole, and described adjusting bolt I screws with screwed hole and its end is provided with bronze cap and contacts with boring bar.
Wherein, support frame as described above adjusting device I comprises guide finger, fairlead and screw mandrel, described fairlead is fixed in bracing frame cavity, described guide finger one end is placed in fairlead and the screw thread that is shaped with of guide finger inner chamber and screw mandrel screw, described screw mandrel top is stretched out bracing frame and is provided with handwheel, and the guide finger other end is provided with bronze cap and contacts with spacer shell.
Wherein, support frame as described above adjusting device II comprises adjusting bolt II and thread bush, and described thread bush is fixed in bracing frame cavity, and described adjusting bolt II one end and thread bush screw and use nut check, and adjusting bolt II other end stretches out bracing frame.
Further, support frame as described above both ends of the surface are provided with oil baffle and the oily rubber ring of gear, the oily rubber ring of described gear is stuck on spacer shell cylindrical, the uniform bolt that oil baffle is locked with the oily rubber ring of gear on described oil baffle, also be provided with the lock-screw be fixedly connected with fairlead by oil baffle, described lock-screw through fairlead and with fairlead threaded engagement, be stuck in bottom lock-screw in keyway that guide finger is shaped with.
Further, described lock-screw is made up of screw, handle and latch, and described handle passes the top of screw and blocked by latch.
Further, support frame as described above aperture surface is provided with wear-resisting adhesive tape, and wear-resisting adhesive tape is directed to pin end is pressed on spacer shell periphery.
The present invention's advantage compared with prior art:
1, ensure the axiality in major axis Boring process, the effect of spacer shell is the deflection deformation of balance major axis; The guide finger of bracing frame is the cylindrical of gentle touchdown spacer shell, can not increase new rigid constraint to boring bar, effectively can eliminate again the concussion impact of boring bar;
2, light structure, simple and practical, control method is simply light, by contrast, mostly same device is to use rolling bearing or sliding bearing, and not only volume is large, weight is large, regulate extremely inconvenient, and relatively boring bar is equivalent to add a new rigid constraint, and deflection deformation can be caused more complicated;
3, this device uses butter lubrication, and butter, in airtight bracing frame, does not exist pollution, and uses the existing apparatus of sliding bearing, and need to use lubricating oil drip-feed lubricating, lubricating oil flows to scene, contaminated environment,
Lock-screw solves and cannot operate at the existing instrument of small space in addition, the manual problem of direct people;
4, wear-resisting adhesive tape can reach the effect of effective vibration damping, reduces the problem that guide finger bottom is easy to wear and tear.
Accompanying drawing explanation
Fig. 1 is installation site of the present invention schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 2;
Fig. 4 is spacer shell structural front view of the present invention;
Fig. 5 is spacer shell structure side view of the present invention;
Fig. 6 is support frame structure front view of the present invention;
Fig. 7 is the C-C sectional view of Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-7, a kind of embodiment of the present invention is described.
For the adjustable intermediate strutting device of Super Long-axles processing, there is spacer shell 17 and bracing frame 23, described spacer shell 17 radial direction is provided with the spacer shell adjusting device of adjustable spacer shell 17 and boring bar 25 spacing, support frame as described above 23 is that a hollow circle overlaps and is enclosed within spacer shell 17 and bracing frame 23 both ends and spacer shell 17 is tightly connected, support frame as described above 23 radial symmetric is provided with the bracing frame adjusting device I of adjustable support frame 23 with spacer shell 17 spacing and the bracing frame adjusting device II of adjustable support frame 23 and stern tube inner hole wall, sebific duct 2 is provided with in support frame as described above 23 cavity, described sebific duct 2 one end contacts with spacer shell 17 cylindrical, sebific duct 2 other end is connected with fuel filler neck 1 port of export, described fuel filler neck 1 is fixed in bracing frame 23 cavity and bracing frame 23 is stretched out on its top.
Above-mentioned spacer shell adjusting device is adjusting bolt I 18, and described spacer shell 17 radial direction is evenly shaped with screwed hole 24, and described adjusting bolt I 18 screws with screwed hole 24 and its end is provided with bronze cap and contacts with boring bar 25.Above-mentioned bracing frame adjusting device I comprises guide finger 3, fairlead 7 and screw mandrel 4, described fairlead 7 is fixed in bracing frame 23 cavity, described guide finger 3 one end is placed in fairlead 7 and the screw thread that is shaped with of guide finger 3 inner chamber and screw mandrel 4 screw, described screw mandrel 4 top is stretched out bracing frame 23 and is provided with handwheel 13, and guide finger 3 other end is provided with bronze cap and contacts with spacer shell 17.Above-mentioned bracing frame adjusting device II comprises adjusting bolt II 12 and thread bush 10, described thread bush 10 is fixed in bracing frame 23 cavity, described adjusting bolt II 12 one end and thread bush 10 screw and use nut 11 to lock, and adjusting bolt II 12 other end stretches out bracing frame 23.
Support frame as described above 23 both ends of the surface are provided with oil baffle 21 and the oily rubber ring 22 of gear, the oily rubber ring 22 of described gear is stuck on spacer shell 17 cylindrical, the uniform bolt 20 that oil baffle 21 is locked with the oily rubber ring 22 of gear on described oil baffle 21, also be provided with the lock-screw be fixedly connected with fairlead 7 by oil baffle 21, described lock-screw through fairlead 7 and with fairlead 7 threaded engagement, be stuck in bottom lock-screw in keyway that guide finger 3 is shaped with.Specifically, described lock-screw is made up of screw 14, handle 16 and latch 15, and described handle 15 passes the top of screw and blocked by latch 15.Support frame as described above 23 aperture surface is provided with wear-resisting adhesive tape 8, and wear-resisting adhesive tape 8 is directed to pin 3 end is pressed on spacer shell 17 periphery.
Assembling adjustment process of the present invention is as follows:
1, spacer shell 17 is installed on boring bar 25, in spacer shell 17 one end, one dial gauge is installed, slow rotation boring bar 25, regulate four of this one end bolts 18 to make dial gauge pointer keep motionless; Dial gauge is moved to the other end, regulates four bolts 18 of the other end to make dial gauge pointer keep motionless;
2, perpendicularity and the concentricity of bracing frame 23 and spacer shell 17 is corrected, six bolts 12 of adjusting support frame 23 are until prop up the inwall of stern tube and support, now guide finger 3 does not contact spacer shell 17, symmetric position on guide finger 3 relatively spacer shell 17 installs a dial gauge, rotation hand wheel 13 gently, until guide finger 3 just props up spacer shell 17, dial gauge is not changed, now tightening screw 14, carry out spacing to guide finger 3, in like manner regulate and lock other two guide fingers 3, whole intermediate strutting device assembling adjustment completes.
3, in fuel filler neck 1, add butter, open motor, boring bar 25 can complete machined.
Adopt said method, although the cylindricity of bore hole once cannot reach requirement, relatively prior axiality, cylindricity can reach requirement by the reconditioning in later stage.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalence changes done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (1)
1. for the adjustable intermediate strutting device of Super Long-axles processing, there is spacer shell (17) and bracing frame (23), it is characterized in that: described spacer shell (17) radial direction is provided with the spacer shell adjusting device of adjustable spacer shell (17) and boring bar (25) spacing, support frame as described above (23) be one hollow circle overlap and be enclosed within spacer shell (17) go up and bracing frame (23) both ends and spacer shell (17) be tightly connected, support frame as described above (23) radial symmetric is provided with the bracing frame adjusting device I of adjustable support frame (23) with spacer shell (17) spacing and the bracing frame adjusting device II of adjustable support frame (23) and stern tube inner hole wall, sebific duct (2) is provided with in support frame as described above (23) cavity, described sebific duct (2) one end contacts with spacer shell (17) cylindrical, sebific duct (2) other end is connected with fuel filler neck (1) port of export, described fuel filler neck (1) is fixed in bracing frame (23) cavity and bracing frame (23) is stretched out on its top, described spacer shell adjusting device is adjusting bolt I (18), described spacer shell (17) radial direction is evenly shaped with screwed hole (24), and described adjusting bolt I (18) screws with screwed hole (24) and its end is provided with bronze cap and contacts with boring bar (25), support frame as described above adjusting device I comprises guide finger (3), fairlead (7) and screw mandrel (4), described fairlead (7) is fixed in bracing frame (23) cavity, described guide finger (3) one end is placed in fairlead (7) and the screw thread that is shaped with of guide finger (3) inner chamber and screw mandrel (4) screw, described screw mandrel (4) top is stretched out bracing frame (23) and is provided with handwheel (13), and guide finger (3) other end is provided with bronze cap and contacts with spacer shell (17), support frame as described above adjusting device II comprises adjusting bolt II (12) and thread bush (10), described thread bush (10) is fixed in bracing frame (23) cavity, described adjusting bolt II (12) one end and thread bush (10) screw and use nut (11) to lock, and adjusting bolt II (12) other end stretches out bracing frame (23), support frame as described above (23) both ends of the surface are provided with oil baffle (21) and the oily rubber ring of gear (22), the oily rubber ring of described gear (22) is stuck on spacer shell (17) cylindrical, the upper uniform bolt (20) that oil baffle (21) is locked with the oily rubber ring of gear (22) of described oil baffle (21), also be provided with the lock-screw be fixedly connected with fairlead (7) by oil baffle (21), described lock-screw through fairlead (7) and with fairlead (7) threaded engagement, be stuck in keyway that guide finger (3) is shaped with bottom lock-screw, described lock-screw is made up of screw (14), handle (16) and latch (15), described handle (16) through screw top and blocked by latch (15), support frame as described above (23) aperture surface is provided with wear-resisting adhesive tape (8), and wear-resisting adhesive tape (8) is directed to pin (3) end is pressed on spacer shell (17) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533434.9A CN102974859B (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device for machining overlength shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210533434.9A CN102974859B (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device for machining overlength shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102974859A CN102974859A (en) | 2013-03-20 |
| CN102974859B true CN102974859B (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210533434.9A Active CN102974859B (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device for machining overlength shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN102974859B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104325168B (en) * | 2014-09-05 | 2017-05-17 | 中国水利水电第十二工程局有限公司 | Method for boring of rotating hinge water seal seat through rotating hinge water seal seat boring device |
| CN104588733B (en) * | 2014-12-10 | 2017-03-08 | 中船黄埔文冲船舶有限公司 | Boring row adjustable intermediate support device |
| CN108098170B (en) * | 2016-09-22 | 2019-10-18 | 广西盛隆冶金有限公司 | A kind of localization method of the steel disc fixture applied to laser cutting |
| CN108188501A (en) * | 2018-02-07 | 2018-06-22 | 江苏理工学院 | A kind of simple chasing bar for large apertures tapping |
| CN109623458B (en) * | 2018-12-30 | 2020-04-24 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Clamping device suitable for material cutting |
| CN109877606B (en) * | 2019-04-12 | 2020-05-12 | 江南造船(集团)有限责任公司 | Middle support tool for shaft system boring and coaxial adjusting method |
| CN110450064B (en) * | 2019-07-19 | 2020-08-11 | 北京航空航天大学 | Coaxiality adjusting device and method for measuring leakage amount of rotating shaft seal |
| CN110653511B (en) * | 2019-09-18 | 2021-07-30 | 上海机电工程研究所 | Method for welding concentric launching tube bodies |
| CN110744097A (en) * | 2019-11-08 | 2020-02-04 | 青岛新力通工业有限责任公司 | Anti-seismic boring bar support of deep hole boring machine |
| CN111112011B (en) * | 2019-12-06 | 2021-04-30 | 珠海格力智能装备有限公司 | Spacing adjustment mechanism and have its refuelling equipment |
| CN115383173B (en) * | 2022-09-30 | 2023-05-09 | 北京科技大学 | A ship segmented stern tube boring device |
| CN119260385B (en) * | 2024-12-11 | 2025-03-11 | 招商局金陵船舶(威海)有限公司 | Stern shaft guiding installation device and method |
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| CN202963508U (en) * | 2012-12-11 | 2013-06-05 | 广州中船黄埔造船有限公司 | Adjustable middle support device used for machining super-long shaft |
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2012
- 2012-12-11 CN CN201210533434.9A patent/CN102974859B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19721997A1 (en) * | 1997-05-27 | 1998-12-03 | Komet Stahlhalter Werkzeug | Machine tool for cutting workpieces |
| CN201009091Y (en) * | 2007-03-27 | 2008-01-23 | 青岛港（集团）有限公司 | Center frame special for large-diameter long axis machining |
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| Publication number | Publication date |
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| CN102974859A (en) | 2013-03-20 |
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Owner name: CSSC HUANGPU WENCHONG SHIP-BUILDING COMPANY LTD. Free format text: FORMER NAME: CSSC GUANGZHOU SHIPBUILDING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510000 Patentee after: Middle ship Huangpu Wen Chong boats and ships Co., Ltd Address before: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510000 Patentee before: CSSC Guangzhou Shipbuilding Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130320 Assignee: GUANGZHOU WENCHONG SHIPYARD Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2021440000195 Denomination of invention: Adjustable intermediate support device for super long shaft processing Granted publication date: 20150114 License type: Common License Record date: 20211021 |
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