CN202963508U - Adjustable middle support device used for machining super-long shaft - Google Patents
Adjustable middle support device used for machining super-long shaft Download PDFInfo
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- CN202963508U CN202963508U CN 201220682270 CN201220682270U CN202963508U CN 202963508 U CN202963508 U CN 202963508U CN 201220682270 CN201220682270 CN 201220682270 CN 201220682270 U CN201220682270 U CN 201220682270U CN 202963508 U CN202963508 U CN 202963508U
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- support frame
- spacer shell
- screw
- bracing frame
- adjusting device
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Abstract
The utility model provides an adjustable middle support device used for machining a super-long shaft. The adjustable middle support device comprises a transition sleeve and a support frame, wherein the transition sleeve is provided with a transition sleeve adjusting device in a radial direction, the transition sleeve adjusting device can be used for adjusting the distance between the transition sleeve and a boring bar, the support frame is a hollow circular sleeve and is sleeved on the transition sleeve, and two end portions of the support frame are connected with the transition sleeve in a sealed mode. The support frame is provided with a support frame adjusting device I and a support frame adjusting device II in a symmetric mode in the radial direction, wherein the support frame adjusting device I can be used for adjusting the distance between the support frame and the transition sleeve, and the support frame adjusting device II can be used for adjusting the distance between the support frame and the inner hole wall of a propeller shaft pipe. A rubber pipe is arranged in a support frame cavity, wherein one end of the rubber pipe contacts the outer circle of the transition sleeve, the other end of the rubber pipe is connected with an outlet end of an oil nipple which is fixed in the support frame cavity, and the top end of the oil nipple extends out of the support frame. By means of the adjustable middle support device used for machining the super-long shaft, not only can the long boring bar be supported, but also the coaxiality of boring of a long shaft hole can be guaranteed, and therefore the adjustable middle support device used for machining the super-long shaft has high practical value.
Description
Technical field
The utility model belongs to the machining technique field, is specifically related to a kind of intermediate strutting device regulated for Super Long-axles processing.
Background technology
The length of 76000 tons of bulk freighter stern tubes has more than 3 meters, need to carry out Boring to its endoporus.The 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 the related process requirement.The major axis machining apparatus of existing Korea S, boring bar length has reached more than 8 meters, and the diameter of boring bar only has 0.22 meter.So long boring bar will inevitably produce amount of deflection in the situation that two ends are fixing, so the tunica process equipment has been 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, be mainly that the axiality 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, be mainly because at the two ends of boring bar except supporting bearing base, it also is equipped 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 that is simply produced by gravity, the rigid support of multiple spot can produce amount of deflection in any direction, and this direction detection of complex and adjusting are proofreaied and correct also very complicated.The rigidity intermediate bearing that original device adopts is regulated, also can't fundamentally eliminate the amount of deflection that this may produce in any direction, because itself be exactly a rigid support, it is exactly a rigid constraint that increases for boring bar, so only can make the deflection deformation of boring bar more complicated, and can not eliminate.Learn after further analyzing, in first being processed, these 3 of the supporting bearing base at stern tube, boring bar two ends have guaranteed coaxial through overcorrect.So the deflection deformation after boring bar is installed does not affect the axiality after bore hole, so can amount of deflection not corrected, that is to say that the intermediate bearing that original device is equipped with can remove.But because the length of boring bar is long, in order to eliminate the deviation of boring bar generation of vibration, this intermediate supports still will be equipped with, so the intermediate supports of this outfit should play the effect of support, guarantee again to make boring bar in the situation that do not increase new rigid constraint, namely rotate processing under free state.
The utility model content
The technical problem that the utility model solves: a kind of intermediate strutting device regulated for Super Long-axles processing is provided, both can reaches supporting role to long boring bar, can guarantee again the axiality of major axis hole Boring.
the technical solution adopted in the utility model: the intermediate strutting device regulated that is used for Super Long-axles processing, have spacer shell and bracing frame, described spacer shell radially is provided with the spacer shell adjusting device that can regulate spacer shell and boring bar spacing, support frame as described above is that a hollow circle overlaps and is enclosed within on spacer shell and bracing frame both ends and spacer shell are tightly connected, the 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, be provided with sebific duct in the support frame as described above cavity, described sebific duct one end contacts with the 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 the bracing frame cavity and bracing frame is stretched out on its top.
Wherein, described spacer shell adjusting device is the adjusting bolt I, and described spacer shell radially evenly is 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 the bracing frame cavity, described guide finger one end is placed in fairlead and the guide finger inner chamber is shaped with screw thread 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 the bracing frame cavity, and described adjusting bolt II one end and thread bush screw and use nut check, and the adjusting bolt II other end stretches out bracing frame.
Further, the 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 the spacer shell cylindrical, uniform bolt with the oily rubber ring locking of oil baffle and gear on described oil baffle, also be provided with the lock-screw that oil baffle is fixedly connected with fairlead, described lock-screw pass fairlead and with the fairlead threaded engagement, lock-screw bottom is stuck in the keyway that is shaped with on guide finger.
Further, described lock-screw is comprised of screw, handle and latch, and described handle passes the top of screw and blocked by latch.
Further, the support frame as described above aperture surface is provided with wear-resisting adhesive tape, and wear-resisting adhesive tape is directed to the pin end and is pressed on the spacer shell periphery.
The utility model advantage compared with prior art:
1, the axiality in assurance 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 slight contact spacer shell just, can not increase new rigid constraint to boring bar, can effectively eliminate again the concussion impact of boring bar;
2, structure is light and handy, 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 inconveniently, and relatively boring bar has been equivalent to increase a new rigid constraint, can cause deflection deformation more complicated;
3, this device uses butter lubricated, and there is not pollution in butter in airtight bracing frame, and uses the existing apparatus of sliding bearing, needs to use the lubricating oil drip-feed lubricating, and lubricating oil flows to the scene, contaminated environment,
Lock-screw has solved at the existing instrument of small space and can't operate in addition, directly the manual problem of people;
4, wear-resisting adhesive tape can reach the effect of effective vibration damping, has lowered the problem that the guide finger bottom is easy to wear and tear.
Description of drawings
Fig. 1 is installation site of the present utility model schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is spacer shell structural front view of the present utility model;
Fig. 5 is spacer shell structure side view of the present utility model;
Fig. 6 is support frame structure front view of the present utility model;
Fig. 7 is the C-C cutaway view of Fig. 6.
The specific embodiment
Below in conjunction with accompanying drawing 1-7, a kind of embodiment of the present utility model is described.
the intermediate strutting device regulated that is used for Super Long-axles processing, have spacer shell 17 and bracing frame 23, described spacer shell 17 radially is provided with the spacer shell adjusting device that can regulate spacer shell 17 and boring bar 25 spacings, support frame as described above 23 is that a hollow circle overlaps and is enclosed within on spacer shell 17 and bracing frame 23 both ends and spacer shell 17 are tightly connected, support frame as described above 23 radial symmetric are provided with adjustable support frame 23 and the bracing frame adjusting device I of spacer shell 17 spacings and the bracing frame adjusting device II of adjustable support frame 23 and stern tube inner hole wall, be provided with sebific duct 2 in support frame as described above 23 cavitys, described sebific duct 2 one ends contact with spacer shell 17 cylindricals, sebific duct 2 other ends are connected with fuel filler neck 1 port of export, described fuel filler neck 1 is fixed in bracing frame 23 cavitys 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 radially evenly is 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 cavitys, described guide finger 3 one ends are placed in fairlead 7 and guide finger 3 inner chambers are shaped with screw thread and screw mandrel 4 screw, described screw mandrel 4 tops are stretched out bracing frame 23 and are provided with handwheel 13, and guide finger 3 other ends are provided with bronze cap and contact 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 cavitys, described adjusting bolt II 12 1 ends and thread bush 10 screw and use nut 11 lockings, and adjusting bolt II 12 other ends stretch 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 cylindricals, uniform bolt 20 with oily rubber ring 22 lockings of oil baffle 21 and gear on described oil baffle 21, also be provided with the lock-screw that oil baffle 21 is fixedly connected with fairlead 7, described lock-screw pass fairlead 7 and with fairlead 7 threaded engagement, lock-screw bottom is stuck in the keyway that is shaped with on guide finger 3.Specifically, described lock-screw is comprised 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 surfaces are provided with wear-resisting adhesive tape 8, and wear-resisting adhesive tape 8 is directed to pin 3 ends and is pressed on spacer shell 17 peripheries.
Assembling adjustment process of the present utility model is as follows:
1, spacer shell 17 is installed on boring bar 25, at spacer shell 17 1 ends, one dial gauge is installed, slow rotation boring bar 25, four bolts 18 regulating this end make the dial gauge pointer keep motionless; Dial gauge is moved to the other end, and four bolts 18 regulating the other end make the dial gauge pointer keep motionless;
2, correct perpendicularity and the concentricity of bracing frame 23 and spacer shell 17, six bolts 12 of adjusting support frame 23 are until prop up the inwall of stern tube and support, this moment, guide finger 3 did not contact spacer shell 17, symmetric position on the relative spacer shell 17 of guide finger 3 is installed a dial gauge, rotation hand wheel 13 gently, until just propping up spacer shell 17, guide finger 3 make dial gauge not change, screw screw 14 this moment, carry out spacing to guide finger 3, in like manner regulate and lock other two guide fingers 3, whole intermediate strutting device assembling is regulated and is completed.
3, add butter in fuel filler neck 1, open motor, boring bar 25 can be completed machined.
Adopt said method, although the cylindricity of bore hole can't once reach requirement, relatively prior axiality, cylindricity can reach requirement by the reconditioning in later stage.
Above-described embodiment is preferred embodiment of the present utility model, is not to limit the utility model practical range, thus all equivalence variations of being done with the described content of the utility model claim, within all should being included in the utility model claim scope.
Claims (7)
1. be used for the intermediate strutting device regulated of Super Long-axles processing, have spacer shell (17) and bracing frame (23), it is characterized in that: described spacer shell (17) radially is provided with the spacer shell adjusting device that can regulate spacer shell (17) and boring bar (25) spacing, support frame as described above (23) is that a hollow circle overlap and is enclosed within that spacer shell (17) is gone up and bracing frame (23) both ends and spacer shell (17) are tightly connected, support frame as described above (23) radial symmetric is provided with adjustable support frame (23) and the bracing frame adjusting device I of spacer shell (17) spacing and the bracing frame adjusting device II of adjustable support frame (23) and stern tube inner hole wall, be provided with sebific duct (2) in support frame as described above (23) cavity, described sebific duct (2) one ends contact 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.
2. the intermediate strutting device regulated for Super Long-axles processing according to claim 1, it is characterized in that: described spacer shell adjusting device is adjusting bolt I (18), described spacer shell (17) radially evenly is 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).
3. the intermediate strutting device regulated for Super Long-axles processing according to claim 1, it is characterized in that: 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 ends are placed in fairlead (7) and guide finger (3) inner chamber is shaped with screw thread and screw mandrel (4) screw, described screw mandrel (4) top is stretched out bracing frame (23) and is provided with handwheel (13), guide finger (3) other end is provided with bronze cap and contacts with spacer shell (17).
4. the intermediate strutting device regulated for Super Long-axles processing according to claim 1, it is characterized in that: 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 ends and thread bush (10) screw and use nut (11) locking, and adjusting bolt II (12) other end stretches out bracing frame (23).
5. according to claim 1 and 2 or 3 or 4 described intermediate strutting devices regulated for Super Long-axles processing, it is characterized in that: support frame as described above (23) both ends of the surface are provided with oil baffle (21) and gear oily rubber ring (22), the oily rubber ring of described gear (22) is stuck on spacer shell (17) cylindrical, described oil baffle (21) is upper uniform with the bolt (20) of oil baffle (21) with the oily rubber ring of gear (22) locking, also be provided with the lock-screw that oil baffle (21) is fixedly connected with fairlead (7), described lock-screw pass fairlead (7) and with fairlead (7) threaded engagement, the lock-screw bottom is stuck in the keyway that is shaped with on guide finger (3).
6. the intermediate strutting device regulated for Super Long-axles processing according to claim 5, it is characterized in that: described lock-screw is comprised of screw (14), handle (16) and latch (15), and described handle (16) passes the top of screw and blocked by latch (15).
7. the intermediate strutting device regulated for Super Long-axles processing according to claim 6, it is characterized in that: 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 and is pressed on spacer shell (17) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682270 CN202963508U (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device used for machining super-long shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220682270 CN202963508U (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device used for machining super-long shaft |
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| Publication Number | Publication Date |
|---|---|
| CN202963508U true CN202963508U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220682270 Expired - Lifetime CN202963508U (en) | 2012-12-11 | 2012-12-11 | Adjustable middle support device used for machining super-long shaft |
Country Status (1)
| Country | Link |
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| CN (1) | CN202963508U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974859A (en) * | 2012-12-11 | 2013-03-20 | 广州中船黄埔造船有限公司 | Adjustable middle support device for machining overlength shaft |
| CN103978244A (en) * | 2014-05-29 | 2014-08-13 | 陕西宝成航空仪表有限责任公司 | Drilling tool capable of automatically centering for shell parts |
| CN107546935A (en) * | 2016-06-23 | 2018-01-05 | 中电电机股份有限公司 | Magneto rotating shaft fixed structure |
| CN108723425A (en) * | 2018-04-18 | 2018-11-02 | 闽南理工学院 | A kind of high speed depth drill |
| CN109850061A (en) * | 2018-12-29 | 2019-06-07 | 南京金陵船厂有限公司 | Method and its auxiliary mould with the installation of axle generator overlength tailing axle |
-
2012
- 2012-12-11 CN CN 201220682270 patent/CN202963508U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974859A (en) * | 2012-12-11 | 2013-03-20 | 广州中船黄埔造船有限公司 | Adjustable middle support device for machining overlength shaft |
| 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 |
| CN103978244A (en) * | 2014-05-29 | 2014-08-13 | 陕西宝成航空仪表有限责任公司 | Drilling tool capable of automatically centering for shell parts |
| CN103978244B (en) * | 2014-05-29 | 2016-06-08 | 陕西宝成航空仪表有限责任公司 | Boring bar tool for housing part self-centering |
| CN107546935A (en) * | 2016-06-23 | 2018-01-05 | 中电电机股份有限公司 | Magneto rotating shaft fixed structure |
| CN108723425A (en) * | 2018-04-18 | 2018-11-02 | 闽南理工学院 | A kind of high speed depth drill |
| CN108723425B (en) * | 2018-04-18 | 2019-11-19 | 闽南理工学院 | A kind of high speed depth drill |
| CN109850061A (en) * | 2018-12-29 | 2019-06-07 | 南京金陵船厂有限公司 | Method and its auxiliary mould with the installation of axle generator overlength tailing axle |
| CN109850061B (en) * | 2018-12-29 | 2021-10-15 | 招商局金陵船舶(南京)有限公司 | Method for mounting super-long tail shaft of belt-shaft generator and auxiliary tool thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Address before: Cheung Chau Street in Whampoa District of Guangzhou City, Guangdong Province, No. 188 510000 Patentee before: CSSC Guangzhou Huangpu Shipbuilding Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
|
| CX01 | Expiry of patent term |