CN109746460A - A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and method - Google Patents
A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and method Download PDFInfo
- Publication number
- CN109746460A CN109746460A CN201910041245.1A CN201910041245A CN109746460A CN 109746460 A CN109746460 A CN 109746460A CN 201910041245 A CN201910041245 A CN 201910041245A CN 109746460 A CN109746460 A CN 109746460A
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- low pressure
- box
- upper box
- axle envelope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and methods, described device includes tool apron assembly, upper box and lower box, lower box is installed below the upper box, hollow spindle is installed between the upper box and lower box, the inside of the hollow spindle is equipped with transmission shaft, the tool apron assembly is mounted on the side outer wall of upper box and lower box, boring arm is installed on the tool apron assembly, the bottom of the tool apron assembly is equipped with clump weight, motor is installed at the top of the upper box, the inside of the upper box is equipped with worm gear, the bottom of the lower box is equipped with pedestal.This invention ensures that being bonded always in the one group of flank of tooth engaged on worm-drive direction with turbine, shock of the worm tooth-surface to the turbine flank of tooth of engagement, balances cutting torsion when eliminating starting.
Description
Technical field
The invention belongs to steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing technique fields, and in particular to a kind of steam turbine low pressure (LP) cylinder axle envelope is hollow
Nest processing unit (plant) and method.
Background technique
Phenomena such as steam turbine low pressure (LP) cylinder axle envelope low-lying area nest will appear deformation, gas leakage by the continuous operation of many years, cause vacuum
Degree decline, to will affect the safe and economic operation of unit.
In order to guarantee the operation vacuum degree of low pressure (LP) cylinder, plant portion is required during unit stops using as a servant overhaul, to low pressure cylinder shaft
It seals hollow nest and carries out scene shaping processing on the spot, to ensure low pressure (LP) cylinder good working order and run the requirement of vacuum degree, therefore
Need a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and its processing method.
Summary of the invention
The purpose of the present invention is to provide a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant), including tool apron assembly, upper box and lower box, the upper box
Lower section lower box is installed, hollow spindle is installed, the inside peace of the hollow spindle between the upper box and lower box
Equipped with transmission shaft, the tool apron assembly is mounted on the side outer wall of upper box and lower box, is equipped on the tool apron assembly
Boring arm, the bottom of the tool apron assembly are equipped with clump weight, are equipped with motor at the top of the upper box, the upper box it is interior
Portion is equipped with worm gear, and the bottom of the lower box is equipped with pedestal, and the inside of the pedestal is equipped with axial feed screw, described
The internal whorl of axial feed screw is equipped with axial feed lead screw, and the inside of the upper box and lower box is close to the position of worm gear
The place of setting is equipped with worm screw.
Preferably, the weight of the clump weight is 14.5kg.
Preferably, the bottom of the pedestal is equipped with bracket.
Preferably, it is connected between the worm gear and worm screw by whirlpool tooth engagement.
A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing method, including processing steam turbine low pressure (LP) cylinder axle envelope low-lying area as described herein nest,
Method includes the following steps:
S1, first special equipment and simulation workpiece be fixed on simulation test frame, carry out jiggering around simulation workpiece internal diameter
Slightly look for；
S2, circle table will be installed on equipment box, gauge stand is pull-in on parallels, and contact refers in upper plane；Separately at boring arm
One piece of frame round table, contact are against at the end face zero reference of simulation workpiece, and jiggering reading is carried out up and down using perpendicular bolt on bottom plate
Fine tuning essence is looked for, and adjustment amount, which is subject to, justifies table；
S3, table contact on cabinet is against cabinet two sides, by table migration knife Cang Chu at boring arm, contact is against simulation workpiece
In inner circle, jiggering essence looks for the center of circle, and according to the reading of knife Cang Chu circle table, it is micro- to carry out left and right horizontal using the leveling screw of bottom plate two sides
It adjusts；
After S4, centering are qualified, simulation test is carried out, positive vehicle, anti-vehicle is rough turn, thin vehicle, and through circle table look-up, simulation shaping adds
After work, simulation workpiece end face.
Preferably, in the S2, plane four corners install one piece of round table respectively on equipment box, are equipped with four pieces of circles altogether
Table carries out fine tuning essences up and down using four perpendicular bolts on bottom plate and looks for, and adjustment amount is subject to quadrangle circle table.
Compared with prior art, the beneficial effects of the present invention are:
1. being effectively eliminated since the back lash of worm gear and worm screw is excessive, snail by being equipped with clump weight on device
The tooth form of wheel is bad, caused by causing the accuracy of mesh not ideal enough the edge of a knife pass through occur when metal Hard Inclusion allow knife phenomenon,
Without eliminating potential faults through parking checking, analysis, the progress of work has effectively been ensured.
2. by the dovetail groove of processing and cabinet cooperation, manual scraping dovetail and cooperation tent, to make cabinet and pedestal
Dovetail mating part is bright and clean smooth, elastic adjustable, works well.
3. by revolving meber plus it is good as defined in lubricating grease, each rotating part rotation is normal, axial, radial feed system
Adjust it is flexible, smooth, there is no bite phenomenon, spindle operation is steadily reliable, no noise, without exception, works well.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the side view of upper box of the present invention and lower box.
In figure: 1, tool apron assembly；2, transmission shaft；3, clump weight；4, boring arm；5, motor；6, upper box；7, hollow spindle；
8, worm gear；9, pedestal；10, axial feed lead screw；11, axial feed screw；12, bracket；13, lower box；14, worm screw.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical solution in inventive embodiments clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) referring to FIG. 1-2, including tool apron assembly 1, on
Cabinet 6 and lower box 13, the lower section of upper box 6 are equipped with lower box 13, hollow master are equipped between upper box 6 and lower box 13
Axis 7, the inside of hollow spindle 7 are equipped with transmission shaft 2, and tool apron assembly 1 is mounted on the side outer wall of upper box 6 Yu lower box 13
On, boring arm 4 is installed, the bottom of tool apron assembly 1 is equipped with clump weight 3, and the top of upper box 6 is equipped with electricity on tool apron assembly 1
Machine 5, the inside of upper box 6 are equipped with worm gear 8, and the bottom of lower box 13 is equipped with pedestal 9, and the inside of pedestal 9 is equipped with axial direction
Screw 11 is fed, the internal whorl of axial feed screw 11 is equipped with axial feed lead screw 10, and upper box 6 is interior with lower box 13
Portion is equipped with worm screw 14 at the position of worm gear 8.
The bottom of pedestal 9 is equipped with bracket 12, is connected between worm gear 8 and worm screw 14 by whirlpool tooth engagement.
A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing method, any steam turbine low pressure (LP) cylinder axle envelope low-lying area nest including processing this paper,
Method includes the following steps:
S1, first special equipment and simulation workpiece be fixed on simulation test frame, carry out jiggering around simulation workpiece internal diameter
Slightly look for；
S2, circle table will be installed on equipment box, gauge stand is pull-in on parallels, and contact refers in upper plane；Separately at boring arm
One piece of frame round table, contact are against at the end face zero reference of simulation workpiece, and jiggering reading is carried out up and down using perpendicular bolt on bottom plate
Fine tuning essence is looked for, and adjustment amount, which is subject to, justifies table；
S3, table contact on cabinet is against cabinet two sides, by table migration knife Cang Chu at boring arm, contact is against simulation workpiece
In inner circle, jiggering essence looks for the center of circle, and according to the reading of knife Cang Chu circle table, it is micro- to carry out left and right horizontal using the leveling screw of bottom plate two sides
It adjusts；
After S4, centering are qualified, simulation test is carried out, positive vehicle, anti-vehicle is rough turn, thin vehicle, and through circle table look-up, simulation shaping adds
After work, simulation workpiece end face.
Embodiment 2
The present invention provides a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) referring to FIG. 1-2, including tool apron assembly 1, on
Cabinet 6 and lower box 13, the lower section of upper box 6 are equipped with lower box 13, hollow master are equipped between upper box 6 and lower box 13
Axis 7, the inside of hollow spindle 7 are equipped with transmission shaft 2, and tool apron assembly 1 is mounted on the side outer wall of upper box 6 Yu lower box 13
On, boring arm 4 is installed, the bottom of tool apron assembly 1 is equipped with clump weight 3, and the top of upper box 6 is equipped with electricity on tool apron assembly 1
Machine 5, the inside of upper box 6 are equipped with worm gear 8, and the bottom of lower box 13 is equipped with pedestal 9, and the inside of pedestal 9 is equipped with axial direction
Screw 11 is fed, the internal whorl of axial feed screw 11 is equipped with axial feed lead screw 10, and upper box 6 is interior with lower box 13
Portion is equipped with worm screw 14 at the position of worm gear 8.
The bottom of pedestal 9 is equipped with bracket 12, is connected between worm gear 8 and worm screw 14 by whirlpool tooth engagement.
A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing method, any steam turbine low pressure (LP) cylinder axle envelope low-lying area nest including processing this paper,
Method includes the following steps:
S1, first special equipment and simulation workpiece be fixed on simulation test frame, carry out jiggering around simulation workpiece internal diameter
Slightly look for；
S2, plane four corners on equipment box are installed to four pieces of round tables respectively, gauge stand is pull-in on parallels, and contact refers to upper
In plane；Separately one piece of frame round table, contact are against at the end face zero reference of simulation workpiece at boring arm, and jiggering reading utilizes bottom plate
Upper four perpendicular bolts carry out fine tuning essence up and down and look for.Adjustment amount be subject to quadrangle circle table；
S3, four pieces of table contacts on cabinet are against cabinet two sides, table migration knife Cang Chu, contact at boring arm is against simulation work
In the inner circle of part, jiggering essence looks for the center of circle, according to the reading of knife Cang Chu circle table, is carried out using four leveling screws of bottom plate two sides left
Right WidFin；
After S4, centering are qualified, simulation test is carried out, positive vehicle, anti-vehicle is rough turn, thin vehicle, and through circle table look-up, simulation shaping adds
After work, simulation workpiece end face.
The working principle of the invention and process for using:
The motor 5 being mounted on cabinet drives worm screw 14, worm gear 8 that hollow spindle 7 is made to need to realize positive backspace according to processing
Turn, front-end of spindle portion is connect with 4 bolt presses of boring arm, and the total journey of sliding tool apron being screwed on boring arm 4 passes through tool apron assembly 1 to nibbling
The bevel gear of conjunction realizes radial feed adjustment under the action of passing through the radial feed drive rod of hollow spindle 7.Axial feed
It is that the axial feed screw 11 by being connected on cabinet realizes axial adjustment of retreating under the action of axial feed lead screw 10.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant), including tool apron assembly (1), upper box (6) and lower box (13),
It is characterized in that, is equipped with lower box (13) below the upper box (6), pacified between the upper box (6) and lower box (13)
Equipped with hollow spindle (7), the inside of the hollow spindle (7) is equipped with transmission shaft (2), and the tool apron assembly (1) is mounted on
On cabinet (6) and the side outer wall of lower box (13), it is equipped with boring arm (4) on the tool apron assembly (1), the tool apron assembly
(1) bottom is equipped with clump weight (3), is equipped with motor (5) at the top of the upper box (6), the inside of the upper box (6)
Be equipped with worm gear (8), the bottom of the lower box (13) is equipped with pedestal (9), the inside of the pedestal (9) be equipped with it is axial into
It gives screw (11), the internal whorl of the axial feed screw (11) is equipped with axial feed lead screw (10), the upper box (6)
Worm screw (14) are installed at the position of worm gear (8) with the inside of lower box (13).
2. steam turbine low pressure (LP) cylinder axle envelope low-lying area according to claim 1 nest processing unit (plant), which is characterized in that the clump weight (3)
Weight be 14.5kg.
3. steam turbine low pressure (LP) cylinder axle envelope low-lying area according to claim 1 nest processing unit (plant), which is characterized in that the pedestal (9)
Bottom is equipped with bracket (12).
4. steam turbine low pressure (LP) cylinder axle envelope low-lying area according to claim 1 nest processing unit (plant), which is characterized in that the worm gear (8) with
Worm screw is connected between (14) by whirlpool tooth engagement.
5. steam turbine low pressure (LP) cylinder axle envelope low-lying area according to claim 1 nest processing method, which is characterized in that including processing this paper institute
The steam turbine low pressure (LP) cylinder axle envelope low-lying area nest stated, method includes the following steps:
S1, first special equipment and simulation workpiece be fixed on simulation test frame, carry out jiggering around simulation workpiece internal diameter and slightly looks for；
S2, circle table will be installed on equipment box, gauge stand is pull-in on parallels, and contact refers in upper plane；The separately frame one at boring arm
Block justifies table, and contact is against at the end face zero reference of simulation workpiece, jiggering reading, carries out fine tuning up and down using perpendicular bolt on bottom plate
Essence is looked for, and adjustment amount, which is subject to, justifies table；
S3, table contact on cabinet is against cabinet two sides, table migration knife Cang Chu, contact at boring arm is against the inner circle of simulation workpiece
On, jiggering essence looks for the center of circle, according to the reading of knife Cang Chu circle table, carries out left and right horizontal fine tuning using the leveling screw of bottom plate two sides；
After S4, centering are qualified, simulation test is carried out, positive vehicle, anti-vehicle is rough turn, thin vehicle, through circle table look-up, after simulation shaping processing,
Simulation workpiece end face.
6. steam turbine low pressure (LP) cylinder axle envelope low-lying area according to claim 5 nest processing unit (plant) and method, which is characterized in that the S2
In, plane four corners install one piece respectively on equipment box, four pieces of round tables are installed altogether, using four perpendicular bolts on bottom plate into
Row up and down fine tuning essence look for, adjustment amount be subject to quadrangle circle table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041245.1A CN109746460B (en) | 2019-01-16 | 2019-01-16 | Steam turbine low-pressure cylinder shaft hollow sealing processing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910041245.1A CN109746460B (en) | 2019-01-16 | 2019-01-16 | Steam turbine low-pressure cylinder shaft hollow sealing processing device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109746460A true CN109746460A (en) | 2019-05-14 |
| CN109746460B CN109746460B (en) | 2020-12-22 |
Family
ID=66405931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910041245.1A Active CN109746460B (en) | 2019-01-16 | 2019-01-16 | Steam turbine low-pressure cylinder shaft hollow sealing processing device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109746460B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337324A (en) * | 2008-07-18 | 2009-01-07 | 徐尉 | Numerically controlled machine tool for cart and bore |
| CN103386500A (en) * | 2013-07-30 | 2013-11-13 | 浙江吉利汽车研究院有限公司 | Tool setting device of hole machining boring tool and using method thereof |
| CN203765387U (en) * | 2014-03-28 | 2014-08-13 | 贵州金州机械有限公司 | Five-shaft linkage numerical-control multifunctional machine tool |
| CN203765353U (en) * | 2014-03-06 | 2014-08-13 | 黄鲁鹏 | Numerical control boring machine end surface main shaft head |
| CN204621135U (en) * | 2015-02-06 | 2015-09-09 | 青岛港国际股份有限公司 | A kind of boring device |
| CN106448426A (en) * | 2016-12-08 | 2017-02-22 | 曹妃甸港矿石码头股份有限公司 | Teaching method for motor alignment and the mold thereof |
| CN206028761U (en) * | 2016-08-29 | 2017-03-22 | 杭州佳菱机械制造有限公司 | Annular groove boring cutter |
| CN206047126U (en) * | 2016-08-26 | 2017-03-29 | 天津思为机器设备有限公司 | The cylindrical boring cutter of CNC milling machine |
| CN206335146U (en) * | 2016-12-27 | 2017-07-18 | 武汉重型机床集团有限公司 | A kind of super-large diameter boring cutter structure for facing head |
-
2019
- 2019-01-16 CN CN201910041245.1A patent/CN109746460B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101337324A (en) * | 2008-07-18 | 2009-01-07 | 徐尉 | Numerically controlled machine tool for cart and bore |
| CN103386500A (en) * | 2013-07-30 | 2013-11-13 | 浙江吉利汽车研究院有限公司 | Tool setting device of hole machining boring tool and using method thereof |
| CN203765353U (en) * | 2014-03-06 | 2014-08-13 | 黄鲁鹏 | Numerical control boring machine end surface main shaft head |
| CN203765387U (en) * | 2014-03-28 | 2014-08-13 | 贵州金州机械有限公司 | Five-shaft linkage numerical-control multifunctional machine tool |
| CN204621135U (en) * | 2015-02-06 | 2015-09-09 | 青岛港国际股份有限公司 | A kind of boring device |
| CN206047126U (en) * | 2016-08-26 | 2017-03-29 | 天津思为机器设备有限公司 | The cylindrical boring cutter of CNC milling machine |
| CN206028761U (en) * | 2016-08-29 | 2017-03-22 | 杭州佳菱机械制造有限公司 | Annular groove boring cutter |
| CN106448426A (en) * | 2016-12-08 | 2017-02-22 | 曹妃甸港矿石码头股份有限公司 | Teaching method for motor alignment and the mold thereof |
| CN206335146U (en) * | 2016-12-27 | 2017-07-18 | 武汉重型机床集团有限公司 | A kind of super-large diameter boring cutter structure for facing head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109746460B (en) | 2020-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752858B (en) | A kind of Efficient numerical control lathe | |
| CN101269464A (en) | Precision rotating table device | |
| CN104607957B (en) | A kind of AB pendulum form strength five-axle linkage milling head | |
| CN201189608Y (en) | Precision rotating table apparatus | |
| CN102672281A (en) | Numerically controlled spiral bevel gear grinding machine | |
| CN110090989B (en) | Milling machine for manufacturing precision parts with adjustable milling cutter depth and angle | |
| CN109746460A (en) | A kind of steam turbine low pressure (LP) cylinder axle envelope low-lying area nest processing unit (plant) and method | |
| CN208614220U (en) | The asynchronous gear of gear cutting machine squeezes rib and end face scraping Combined machining unit | |
| CN202622079U (en) | Numerically-controlled spiral bevel gear grinding machine | |
| CN202861549U (en) | Numerically-controlled gear hobbing machine | |
| CN218341718U (en) | Bearing inner race processing is with founding grinding device | |
| CN110614508B (en) | Device and method for processing inner surface texture of split radial sliding bearing | |
| CN210889929U (en) | Servo rotary hollow platform | |
| CN204171796U (en) | Compositions of metal-working machines | |
| CN215238315U (en) | A grinding device for gear machining | |
| CN205237549U (en) | Face gear drive's accurate numerical control rotary worktable | |
| CN106031954B (en) | A kind of screw mandrel grinder | |
| CN217452456U (en) | Numerical control rotary table for end-toothed disc gear milling | |
| CN113829235B (en) | Upper disc mechanism of grinder | |
| CN220073474U (en) | Clamping device convenient to adjust | |
| CN216152095U (en) | Floating support for bar in numerical control grinding machine | |
| CN107378629A (en) | A kind of machine tooling protective cover | |
| CN216575548U (en) | Z-axis for vertical lathe | |
| CN218947288U (en) | High-precision rotary positioning device for vertical grinding head of gantry guide rail mill | |
| CN108746709A (en) | A method of extending radial drilling machine robustness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |