CN105855631B - Bulb through-flow turbine main shaft and runner scene reaming device - Google Patents
Bulb through-flow turbine main shaft and runner scene reaming device Download PDFInfo
- Publication number
- CN105855631B CN105855631B CN201610311264.8A CN201610311264A CN105855631B CN 105855631 B CN105855631 B CN 105855631B CN 201610311264 A CN201610311264 A CN 201610311264A CN 105855631 B CN105855631 B CN 105855631B
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- China
- Prior art keywords
- reamer
- main shaft
- component
- runner
- reaming device
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D75/00—Reaming machines or reaming devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Hydraulic Turbines (AREA)
Abstract
Present invention is disclosed a kind of bulb through-flow turbine main shaft and runner scene reaming device, including reamer component, fraising support, adjustment component and torque amplification wrench, wherein, the reamer component includes the cutterhead of reamer axle and the mating that interfixed with reamer axle；The fraising support is mutually coupled with main shaft and runner, and is set in outside reamer component, for bloster hinge knife assembly；The adjustment component includes two the first adjustment bolts, second adjustment bolt and a bolt block, two the first adjustment bolts are threadedly coupled with the fraising support, also abutted with main shaft, bolt block is fixedly mounted on main shaft horizontal stroke seat, second adjustment bolt is threadedly coupled with bolt block, is also abutted with the fraising support；The torque amplification wrench is mutually coupled with reamer axle, for driving reamer axle.The reaming device can complete the coaxial articulation of moment of torsion pin-and-hole of runner and main shaft at the scene, fit clearance is met design requirement.
Description
Technical field
The present invention relates to a kind of reaming device, more particularly to a kind of bulb through-flow turbine main shaft and the fraising of runner scene
Device.
Background technology
In China, the application of bulb tubular hydraulic generating set is more and more wider, and installed capacity is also increasing.With machine
The increase of pool-size is, it is necessary to which the parts of processing also increase, and manufacturing firm is due to the limitation of Workplace or parts, it is impossible to
It is processed after factory's assembling, for example main shaft transmits the pin hole of moment of torsion with runner, because the particularity and appearance and size of workpiece are big,
Can not factory by main shaft and wheel hub assembling after be processed, but by coordinate, look for point, setting-out, then on numerically controlled lathe
It is processed respectively, then there have been the phenomenon that fit dimension is difficult to control, in bulb through-flow turbine runner and main shaft
After assembling, runner moment of torsion pin-and-hole and main-shaft torque pin-and-hole is actual fitted position deviation occurs can not meet design requirement when serious.
The content of the invention
It is an object of the invention to for drawbacks described above of the prior art, there is provided a kind of bulb through-flow turbine main shaft
With runner scene reaming device, the reaming device can complete the coaxial articulation of moment of torsion pin-and-hole of runner and main shaft at the scene, make to match somebody with somebody
Close gap and meet design requirement.
For achieving the above object, present invention employs following technical scheme：A kind of bulb through-flow turbine main shaft
With runner scene reaming device, the reaming device includes reamer component, fraising support, adjustment component and torque amplification wrench, wherein,
The reamer component is used to ream, and it includes reamer axle and the cutterhead for the mating that interfixed with reamer axle；The fraising branch
Frame is mutually coupled with main shaft and runner, and is set in outside reamer component, for bloster hinge knife assembly；The adjustment component is used for
The reamer component is set to carry out linearity and center of circle centering, the adjustment component includes two the first adjustment bolts, second tune
Whole bolt and a bolt block, two the first adjustment bolts are threadedly coupled with the fraising support, also abutted with main shaft, spiral shell
Bolt seat is fixedly mounted on main shaft horizontal stroke seat, and the second adjustment bolt is threadedly coupled with bolt block, is also mutually supported with the fraising support
Lean on；The torque amplification wrench is mutually coupled with reamer axle, for driving reamer axle.
In addition, the present invention also provides following attached technical scheme：
The reamer component also includes reamer guide cylinder, reamer key and fastening bolt, the reamer guide cylinder and the hinge
Knife key is set on the reamer axle, and is located at the cutterhead both sides respectively, the fastening bolt and the end of the reamer axle
Threaded connection.
The reamer that the reamer component also includes being arranged between the reamer guide cylinder and the cutterhead fixes pad
Piece.
The fraising support includes connecting plate, sleeve and positioning screw, wherein, connecting plate is fixedly connected as one with sleeve
Body；Sleeve is located at connecting plate bottom, and is set in outside the expansion sleeve；Positioning screw and connecting plate interfix mating, and insert
Enter in principal axis bolt hole.
The fraising support also includes supporting steel pipe, and the supporting steel pipe is arranged between the connecting plate and main shaft, and is covered
Outside the positioning screw.
The reaming device also includes being arranged between the reamer component and the fraising support, for consolidating reamer
The centering component of component, the centering component includes the Screw tail cone pin being enclosed on reamer axle, and is set in swollen outside Screw tail cone pin
Tight set.
It is described centering component also include locking nut, the locking nut is mutually threadedly coupled with the Screw tail cone pin, also with
The expansion sleeve abuts.
The centering component also includes being set on the Screw tail cone pin, and between the locking nut and expansion sleeve
Pad.
The reaming device also includes screw rod fixed mount and precession screw rod, and the screw rod fixed mount is fixedly mounted on main shaft horizontal stroke seat
On, precession screw rod is mutually threadedly coupled with screw rod fixed mount, and is inserted in the torque amplification wrench.
Compared to prior art, advantage of the invention is that：Disclose a kind of bulb through-flow turbine main shaft and runner
Live reaming device, the reaming device mainly include reamer component, fraising support, adjustment component and torque amplification wrench, fraising dress
Put it is rational in infrastructure, it is easy to operate, by adjusting component reamer component can be made to carry out the centering in linearity and the center of circle, then pass through difference
The cutterhead of specification is simultaneously operated using reinforcement wrench, until moment of torsion pin-and-hole meets to require, completes to turn at the scene so as to realize
The coaxial articulation of moment of torsion pin-and-hole of wheel and main shaft, makes fit clearance meet design requirement, reduces maintenance cost, improves production effect
Rate.
Brief description of the drawings
Fig. 1 is the bulb through-flow turbine main shaft of the present invention and the structural representation of runner scene reaming device.
Fig. 2 is the sectional view of the a-a lines along Fig. 1.
Marked in figure：1- positioning screws, 2- supporting steel pipes, 3- locking nuts, 6- Screw tail cone pins, 7- cutterheads, 8- reinforcements
Spanner, 9- screw rod fixed mounts, 10- main shafts, 11- runners, the adjustment bolts of 12- first, 13- reamer axles, 14- precession screw rods, 15- spiral shells
Bolt seat, the adjustment bolts of 16- second, 17- sleeves, 18- connecting plates, 19- expansion sleeves, 20- reamer setting-up pieces, 21- reamer keys,
22- fastening bolts, 23- Screw tail cone pin setting-up pieces, 24- locking nuts, 25- reamer guide cylinders.
Embodiment
Technical solution of the present invention is further non-limitingly described in detail below in conjunction with preferred embodiment and its accompanying drawing.
The present invention provides a kind of bulb through-flow turbine main shaft and runner scene reaming device, and the reaming device can be
The coaxial articulation of moment of torsion pin-and-hole of runner and main shaft is completed at scene, fit clearance is met design requirement.
Referring to Figures 1 and 2, reaming device of the invention mainly includes reamer component, centering component, fraising support, adjustment
Component and torque amplification wrench 8.Wherein, reamer component is used to ream；Centering component is set in outside reamer component, for consolidating reamer group
Part, prevent reamer component rocks at work from training off；Fraising support is set in outside centering component, for bloster hinge knife assembly and is determined
Heart component；Adjust component and fraising support is matched, for controlling reamer component to carry out linearity and the centering in the center of circle；Reinforcement is pulled
Hand 8 and reamer component are matched, for driving reamer component to rotate.
Specifically, reamer component includes reamer axle 13, reamer guide cylinder 25, reamer setting-up piece 20, cutterhead 7, hinge
Knife key 21 and fastening bolt 22.For reamer axle 13 wherein in one end insertion torque amplification wrench 8, reamer guide cylinder 25 is enclosed on reamer axle 13
The other end, while load onto pad 20, cutterhead 7 and reamer key 21 successively outward, reamer key 21 is by cutterhead 7 and reamer axle 13
Head link together, fastening bolt 22 is fastened.During work, cutterhead 7 is placed in the pin-and-hole of main shaft 10, main hinge
Hole work is completed by cutterhead 7.
Centering component includes Screw tail cone pin 6, expansion sleeve 19, locking nut 24 and Screw tail cone pin setting-up piece 23.Wherein, spiral shell
Tail cone pin 6 is enclosed on reamer axle 13, and expansion sleeve 19 is enclosed on outside Screw tail cone pin 6, and pad 23 is enclosed on Screw tail cone pin 6, locking nut
24 are threadedly coupled with Screw tail cone pin 6, and are abutted across Screw tail cone pin setting-up piece 23 and expansion sleeve 19.
Fraising support includes connecting plate 18, sleeve 17, positioning screw 1 and supporting steel pipe 2.Wherein, connecting plate 18 and sleeve
17 are connected to one；Sleeve 17 is located at the bottom of connecting plate 18, and is set in outside expansion sleeve 19；The company of being arranged on of supporting steel pipe 2
Between fishplate bar 18 and main shaft 10；The one end of positioning screw 1 is inserted in the bolt hole of main shaft 10 and runner 11, and the other end passes through supporting steel
Pipe 2 and connecting plate 18, and be fixed on by locking nut 3 on connecting plate 18.
Adjustment component includes two the first adjustment bolts, 12, second adjustment bolts 16 and a bolt block 15.Two
First adjustment bolt 12 is threaded in the both sides of the bottom of connecting plate 18 respectively, is also abutted with main shaft 10；Bolt block 15 is solid
On the horizontal seat of main shaft 10, the second adjustment bolt 16 is threadedly coupled with bolt block 15, is also abutted with sleeve 17 for Dingan County.It is logical
Linearity and the centering in the center of circle can be carried out to reamer axle 13 by crossing two adjustment bolts 12 of adjustment and an adjustment bolt 16.
Torque amplification wrench 8 is connected with each other with reamer axle 13, and drives reamer axle 13 to rotate.In order to prevent torque amplification wrench 8 from dropping
And the linearity of reamer axle 13 is influenceed, screw rod fixed mount 9 and precession screw rod 14, screw rod fixed mount 9 are set in the rear end of torque amplification wrench 8
It is fixedly mounted on the horizontal seat of main shaft 10, precession screw rod 14 is mutually threadedly coupled with screw rod fixed mount 9, and inserts torque amplification wrench
In 8.
The concrete operations of the reaming device of the present invention are as follows：First unclamp two adjustment bolts 12 and sleeve on connecting plate 18
The adjustment bolt 16 of bottom, then carry out reaming device levelness, linearity and the center of circle by rotating and stretching reamer axle 13
Adjustment, centering, and fix reaming device with locking nut 3.By measuring the internal diameter of pin-and-hole, selection uses various sizes of knife
Disk, the general depth of cut can not be more than the 0.2mm of measurement pin-and-hole size, the axiality and roughness in hole otherwise be influenceed, as table 1 measures
Size, just using 160.10~160.15mm of φ, 160.25~160.30mm of φ, 160.35~160.40mm of φ, φ
The cutterhead of 160.50~160.55mm, tetra- kinds of specifications is operated manually using reinforcement wrench, and often advance 1 circle, precession screw rod
14 immediately after and hold reinforcement wrench, to ensure that reamer axle does not influence linearity because of the weight of reinforcement wrench, while reamer
Disk needs to drip some cooling oils, to ensure that the roughness of pin-and-hole meets the requirements.Often using a kind of cutter of specification to pin-and-hole
Hinge one time, will check whether pin-and-hole inner surface all closes by the car of reamer, if not provided, just changing the cutterhead of a big specification
Articulation is carried out, until then torque pin internal surface of hole measures the internal diameter of pin-and-hole, tied according to measurement all by the articulation of reamer
Fruit, new pin is re-worked to meet design requirement according to design fit dimension requirement.
For No. four units of the applicant before the reaming device using the present invention, the fit dimension of its pin-and-hole and pin is maximum
Have a 0.47mm, and the fit dimension designed is maximum requires to be 0.08mm.In the reaming device using the present invention to runner and master
After the moment of torsion pin-and-hole of axle carries out the coaxial articulation in scene, fit dimension can be controlled in 0.03-0.04mm, make fit clearance meet to set
Meter requires.As shown in Table 1 and Table 2.
Table 1：The size (mm) of industry-commerce deal is not added coaxially
Table 2：Size after coaxially being processed using apparatus of the present invention
In upper table, " X " represents the X-direction of reference axis, and " Y " represents the Y-direction of reference axis, and "+" represents addition, such as：Together
Axle processing after No. 1 pin-and-hole main shaft side upstream position X-direction size be 160.6.
In summary, bulb through-flow turbine main shaft of the invention and runner scene reaming device are rational in infrastructure, operation
Simplicity, the coaxial articulation of moment of torsion pin-and-hole of runner and main shaft can be completed at the scene, fit clearance is met design requirement, reduce dimension
Accomplish this, shorten maintenance time, improve production efficiency.
It is pointed out that the technical concepts and features of above-mentioned preferred embodiment only to illustrate the invention, its object is to
Allow person skilled in the art to understand present disclosure and implement according to this, the protection of the present invention can not be limited with this
Scope.Any equivalent change or modification in accordance with the spirit of the invention, it should all be included within the scope of the present invention.
Claims (9)
1. a kind of bulb through-flow turbine main shaft and runner scene reaming device, it is characterised in that：The reaming device includes
Reamer component, fraising support, adjustment component and torque amplification wrench, wherein,
The reamer component is used to ream, and it includes reamer axle and the cutterhead for the mating that interfixed with reamer axle；
The fraising support is mutually coupled with main shaft and runner, and is set in outside reamer component, for bloster hinge knife assembly；
The adjustment component is used to make the reamer component carry out linearity and center of circle centering, and the adjustment component includes two first
Adjustment bolt, second adjustment bolt and a bolt block, two the first adjustment bolts are threadedly coupled with the fraising support,
Also abutted with main shaft, bolt block is fixedly mounted on main shaft horizontal stroke seat, and the second adjustment bolt is threadedly coupled with bolt block, also with
The fraising support abuts；
The torque amplification wrench is mutually coupled with reamer axle, for driving reamer axle.
2. bulb through-flow turbine main shaft according to claim 1 and runner scene reaming device, it is characterised in that：Institute
Stating reamer component also includes reamer guide cylinder, reamer key and fastening bolt, and the reamer guide cylinder and the reamer key are set in
On the reamer axle, and it is located at the cutterhead both sides respectively, the fastening bolt is connected with the end thread of the reamer axle.
3. bulb through-flow turbine main shaft according to claim 2 and runner scene reaming device, it is characterised in that：Institute
State the reamer setting-up piece that reamer component also includes being arranged between the reamer guide cylinder and the cutterhead.
4. bulb through-flow turbine main shaft according to claim 1 and runner scene reaming device, it is characterised in that：Institute
Stating fraising support includes connecting plate, sleeve and positioning screw, wherein,
Connecting plate is connected to one with sleeve；
Sleeve is located at connecting plate bottom, and is set in outside the reamer component；
Positioning screw and connecting plate interfix mating, and insert in principal axis bolt hole.
5. bulb through-flow turbine main shaft according to claim 4 and runner scene reaming device, it is characterised in that：Institute
Stating fraising support also includes supporting steel pipe, and the supporting steel pipe is arranged between the connecting plate and main shaft, and is enclosed on the positioning
Outside screw rod.
6. bulb through-flow turbine main shaft according to claim 1 and runner scene reaming device, it is characterised in that：Institute
Stating reaming device also includes being arranged between the reamer component and the fraising support, for consolidating the centering of reamer component
Component, the centering component include the Screw tail cone pin being enclosed on reamer axle, and the expansion sleeve being set in outside Screw tail cone pin.
7. bulb through-flow turbine main shaft according to claim 6 and runner scene reaming device, it is characterised in that：Institute
State centering component also include locking nut, the locking nut is mutually threadedly coupled with the Screw tail cone pin, also with the expansion sleeve
Abut.
8. bulb through-flow turbine main shaft according to claim 7 and runner scene reaming device, it is characterised in that：Institute
Stating centering component also includes being set on the Screw tail cone pin, and the Screw tail cone pin between the locking nut and expansion sleeve
Setting-up piece.
9. bulb through-flow turbine main shaft according to claim 1 and runner scene reaming device, it is characterised in that：Institute
Stating reaming device also includes screw rod fixed mount and precession screw rod, and the screw rod fixed mount is fixedly mounted on main shaft horizontal stroke seat, precession spiral shell
Bar is mutually threadedly coupled with screw rod fixed mount, and is inserted in the torque amplification wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311264.8A CN105855631B (en) | 2016-05-11 | 2016-05-11 | Bulb through-flow turbine main shaft and runner scene reaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610311264.8A CN105855631B (en) | 2016-05-11 | 2016-05-11 | Bulb through-flow turbine main shaft and runner scene reaming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855631A CN105855631A (en) | 2016-08-17 |
| CN105855631B true CN105855631B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610311264.8A Active CN105855631B (en) | 2016-05-11 | 2016-05-11 | Bulb through-flow turbine main shaft and runner scene reaming device |
Country Status (1)
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| CN (1) | CN105855631B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280837A (en) * | 2019-07-05 | 2019-09-27 | 沪东中华造船(集团)有限公司 | A method of it is reamed using hydraulic drive oil motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09300132A (en) * | 1996-05-15 | 1997-11-25 | Hitachi Ltd | Method for correcting heat transfer pipe supporting plate in heat exchanger and device for it |
| CN201309008Y (en) * | 2008-11-12 | 2009-09-16 | 李承怀 | Hole boring machine for main shaft positioning pin of water turbine |
| CN203459764U (en) * | 2013-09-12 | 2014-03-05 | 哈尔滨汽轮机厂有限责任公司 | Rotor butting flange reaming device for steam turbine |
| CN104842009A (en) * | 2014-02-17 | 2015-08-19 | 中电华元核电工程技术有限公司 | Cutting device for correcting non-perpendicularity condition of hole and plane in coupling connection |
| US10695888B2 (en) * | 2014-09-04 | 2020-06-30 | Sunnen Products Company | Elastic biasing element and encoder arrangement for precise control of force or torque |
| CN205096913U (en) * | 2015-09-30 | 2016-03-23 | 浙江精一重工有限公司 | Damper cylinder automatic reaming machine clamping positioner |
| CN205660245U (en) * | 2016-05-11 | 2016-10-26 | 广西桂冠电力股份有限公司大化水力发电总厂 | On --spot fraising device of bulb tubular turbine main shaft and runner |
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2016
- 2016-05-11 CN CN201610311264.8A patent/CN105855631B/en active Active
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| Publication number | Publication date |
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| CN105855631A (en) | 2016-08-17 |
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