CN106695366A - Auxiliary clamping device used by horizontal lathe for turning steam turbine rotor - Google Patents

Auxiliary clamping device used by horizontal lathe for turning steam turbine rotor Download PDF

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Publication number
CN106695366A
CN106695366A CN201710073980.1A CN201710073980A CN106695366A CN 106695366 A CN106695366 A CN 106695366A CN 201710073980 A CN201710073980 A CN 201710073980A CN 106695366 A CN106695366 A CN 106695366A
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CN
China
Prior art keywords
bolt
blind hole
tapped blind
tapped
shaped plate
Prior art date
Application number
CN201710073980.1A
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Chinese (zh)
Other versions
CN106695366B (en
Inventor
刘滨刚
高岩
田瑞军
姜黎生
常海滨
Original Assignee
哈尔滨汽轮机厂有限责任公司
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Application filed by 哈尔滨汽轮机厂有限责任公司 filed Critical 哈尔滨汽轮机厂有限责任公司
Priority to CN201710073980.1A priority Critical patent/CN106695366B/en
Publication of CN106695366A publication Critical patent/CN106695366A/en
Application granted granted Critical
Publication of CN106695366B publication Critical patent/CN106695366B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

Abstract

The invention provides an auxiliary clamping device used by a horizontal lathe for turning a steam turbine rotor and relates to the clamping device. The clamping device aims to solve the problems that in the machining process of an existing steam turbine rotor, jaw clamping force causes dents and scratches to a rotor fine machining face when a horizontal lathe clamps a rotor, a copper gasket between a jaw of the horizontal lathe and the fine machining face generates the axial channeling phenomenon, and higher personnel and equipment secondary harm is caused due to loosening of the copper gasket. The auxiliary clamping device comprises a U-shaped plate, a cuboid copper gasket and a plurality of bolts, and the cuboid copper gasket is arranged in an opening of the U-shaped plate. By means of the auxiliary clamping device, the problems that in the machining process of the existing steam turbine rotor, dents and scratches are caused to the fine machining face when the horizontal lathe clamps the rotor, the copper gasket between the jaw of the horizontal lathe and the fine machining face generates the axial channeling phenomenon, and higher personnel and equipment secondary harm is caused due to loosening of the copper gasket are solved, and the auxiliary clamping device is applicable to auxiliary clamping of the steam turbine rotor.

Description

A kind of horizontal lathe turning turbine rotor auxiliary clamping device
Technical field
The present invention relates to a kind of horizontal lathe turning turbine rotor auxiliary clamping device.
Background technology
Turbine rotor typically uses horizontal lathe in process, and it is usually one that horizontal lathe clamps measure to rotor Press from both sides a support to process, i.e., clamping rotor side in side is cylindrical, and opposite side hydraulic bracket is supported on the axle journal of rotor, in finishing Horizontal lathe claw is clipped in rotor and finishes cylindrical place, and claw clamping force can cause impression and scuffing, institute to rotor polished surface So that copper gasket would generally be added at four claws and polished surface, can so avoid finishing cylindrical injury to rotor, But because rotor deadweight is very big, shafting has that both sides are high, and middle low amount of deflection bending, process high speed rotation can be produced Small axle is altered, and can there is copper gasket releases hidden danger, the phenomenon that pad comes off in easily processing, and such as operating personnel can not Shut down in time, bigger secondary personnel and equipment injury will be caused.
The content of the invention
The present invention in order to solve existing turbine rotor in process horizontal lathe in rotor clamping process block Pawl clamping force can cause impression and scuffing to rotor polished surface, and the copper gasket between horizontal lathe claw and polished surface is produced Raw axle alters phenomenon and copper gasket gets loose the problem for causing bigger personnel and equipment secondary injury, proposes a kind of horizontal Lathe turning turbine rotor auxiliary clamping device.
Horizontal lathe turning turbine rotor auxiliary clamping device of the present invention, by U-shaped plate, cuboid copper gasket, the One bolt, the second bolt, the 3rd bolt, the 4th bolt, the 5th bolt and the 6th bolt are constituted;
The cuboid copper gasket is arranged in U-shaped plate opening, U-shaped plate inner surface and cuboid copper gasket inner surface Surround the rectangular body opening of section bar;In two end faces that cuboid copper gasket is contacted with U-shaped plate inner surface, set on one of end face The first tapped blind hole and the second tapped blind hole are equipped with, the 3rd tapped blind hole and the 4th tapped blind hole are provided with another end face; The line at the center of the center of the first tapped blind hole and the second tapped blind hole parallel in cuboid copper gasket with table in U-shaped plate The length direction of the end face of face contact;The line at the center of the 3rd tapped blind hole and the center of the 4th tapped blind hole is parallel to rectangular The length direction of the end face contacted with U-shaped plate inner surface in body copper gasket;Set on two outer surfaces of end of U-shaped plate It is equipped with and leads to the first tapped blind hole, the second tapped blind hole, the 3rd tapped blind hole and corresponding four circles of the 4th tapped blind hole Hole, the first bolt, the second bolt, the 3rd bolt and the 4th bolt are each passed through manhole and screw in the first tapped blind hole, second In tapped blind hole, the 3rd tapped blind hole and the 4th tapped blind hole;The outer surface circular arc of U-shaped plate is provided with strip gap slot, The length direction of strip gap slot and the first tapped blind hole, the second tapped blind hole, the 3rd tapped blind hole and the 4th tapped blind hole Center line it is parallel;In strip gap slot the first tapped through hole is provided with the U-shaped plate at strip gap slot two ends With the second tapped through hole, the 5th bolt and the 6th bolt screw in the first tapped through hole and the second tapped through hole respectively;
The nut of the 5th bolt and the nut of the 6th bolt are arranged inside strip gap slot;
The head of screw of the 5th bolt is stretched out outside the first tapped through hole.
The head of screw of the 6th bolt is stretched out outside the second tapped through hole.
First bolt, the second bolt, the 3rd bolt, the 4th bolt, the 5th bolt and the 6th bolt are interior hexagonal spiral shell Bolt;
The application method of horizontal lathe turning turbine rotor auxiliary clamping device of the present invention is:
Copper gasket is placed at U-shaped plate opening, the first bolt, the second bolt, the 3rd bolt and the 4th bolt difference Screwed in the first tapped blind hole, the second tapped blind hole, the 3rd tapped blind hole and the 4th tapped blind hole through manhole, it is ensured that U Template is fastened with cuboid copper gasket, will, U-shaped plate inner surface surrounds the rectangular body opening of section bar with cuboid copper gasket inner surface It is enclosed within lathe claw, copper gasket screws the 5th bolt and the 6th bolt to the 5th bolt near lathe floral disc center side End and the 6th bolt end hold out against claw respectively, finally turbine rotor to be processed is fixed on lathe floral disc and is completed The installation of horizontal lathe turning turbine rotor auxiliary clamping device of the present invention.
The present invention possesses following beneficial effect:
First, the present invention solve existing turbine rotor in process horizontal lathe in rotor clamping process block Pawl clamping force rotor polished surface can be caused impression and scuffing, solve it is copper between horizontal lathe claw and polished surface Pad produces that axle alters phenomenon and copper gasket gets loose the problem for causing bigger personnel and equipment secondary injury, the present invention Designed by U-shaped plate copper gasket is fixed on lathe claw, it is to avoid copper gasket releases hidden danger.
2nd, adapter sleeve of the present invention is designed as U-shaped plate and is not exposed without corner angle and groove structure nut, prevents lathe from rotating at a high speed Scrape operating personnel.
3rd, simple structure of the invention, the easily manufacturing, low cost, are easy to promote the use of on a large scale.
Brief description of the drawings:
Fig. 1 is the front view of horizontal lathe turning turbine rotor auxiliary clamping device of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is sectional view at the A-A of Fig. 1;
Fig. 5 is sectional view at the B-B of Fig. 1;
Fig. 6 is that the axle of horizontal lathe turning turbine rotor auxiliary clamping device of the present invention surveys three-dimensional view;
Fig. 7 is the assembling schematic diagram of horizontal lathe turning turbine rotor auxiliary clamping device of the present invention, wherein, a is Horizontal lathe turning turbine rotor auxiliary clamping device of the present invention, b is lathe floral disc, and c is lathe claw.
Specific embodiment:
Technical solution of the present invention is not limited to act specific embodiment set forth below, also including between each specific embodiment Any reasonable combination.
Specific embodiment one:Present embodiment, present embodiment horizontal lathe turning steam turbine are illustrated with reference to Fig. 1~7 Rotor auxiliary clamping device, the device is by U-shaped plate 1, cuboid copper gasket 2, the first bolt 3, the second bolt 4, the 3rd spiral shell Bolt 5, the 4th bolt 6, the 5th bolt 7 and the 6th bolt 8 are constituted;
The cuboid copper gasket 2 is arranged in U-shaped plate 1 is open, in the inner surface of U-shaped plate 1 and cuboid copper gasket 2 The rectangular body opening of section bar is surrounded on surface;In two end faces that cuboid copper gasket 2 is contacted with the inner surface of U-shaped plate 1, one of end The first tapped blind hole 21 and the second tapped blind hole 22 are provided with face, the 3rd tapped blind hole 23 and are provided with another end face Four tapped blind holes 24;The line at the center of the center of the first tapped blind hole 21 and the second tapped blind hole 22 is copper parallel to cuboid The length direction of the end face contacted with the inner surface of U-shaped plate 1 in pad 2;The center of the 3rd tapped blind hole 23 and the 4th tapped blind hole Length direction of the line at 24 center parallel to the end face contacted with the inner surface of U-shaped plate 1 in cuboid copper gasket 2;Near U It is provided with two outer surfaces of end of template 1 and the first tapped blind hole 21, the second tapped blind hole 22, the 3rd tapped blind hole 23 Four manholes corresponding with the 4th tapped blind hole 24, the first bolt 3, the second bolt 4, the 3rd bolt 5 and the 4th bolt 6 It is each passed through the first tapped blind hole 21 of manhole screw-in, the second tapped blind hole 22, the 3rd tapped blind hole 23 and the 4th screw thread blind In hole 24;The outer surface circular arc of U-shaped plate 1 is provided with strip gap slot 11, the length direction of strip gap slot 11 and One tapped blind hole 21, the second tapped blind hole 22, the 3rd tapped blind hole 23 are parallel with the center line of the 4th tapped blind hole 24;In strip The first tapped through hole 13 is provided with U-shaped plate 1 in gap slot 11 at the close two ends of strip gap slot 11 and the second screw thread is logical Hole 14, the 5th bolt 7 and the 6th bolt 8 screw in the first tapped through hole 13 and the second tapped through hole 14 respectively.
Present embodiment possesses following beneficial effect:
First, present embodiment solve existing turbine rotor in process horizontal lathe to rotor clamping process Middle claw clamping force can cause impression and scuffing to rotor polished surface, solve between horizontal lathe claw and polished surface Copper gasket produces that axle alters phenomenon and copper gasket gets loose the problem for causing bigger personnel and equipment secondary injury, this Be fixed on copper gasket on lathe claw by the design of U-shaped plate by invention, it is to avoid copper gasket releases hidden danger.
2nd, present embodiment adapter sleeve is designed as U-shaped plate and is not exposed without corner angle and groove structure nut, prevents lathe at a high speed Rotation scrapes operating personnel.
3rd, the simple structure of present embodiment, the easily manufacturing, low cost, are easy to promote the use of on a large scale.
Specific embodiment two:Present embodiment is illustrated with reference to Fig. 6, present embodiment is different from specific embodiment one It is:The nut of the 5th bolt 7 and the nut of the 6th bolt 8 are arranged inside strip gap slot 11.Other steps and ginseng Number is identical with specific embodiment one.
Specific embodiment three:Present embodiment is illustrated with reference to Fig. 1, present embodiment is with specific embodiment one or two not Be:The head of screw of the 5th bolt 7 is stretched out outside the first tapped through hole 13.Other steps and parameter and specific embodiment party Formula one or two is identical.
Specific embodiment four:Illustrate present embodiment with reference to Fig. 1, present embodiment and specific embodiment one to three it Unlike one:The head of screw of the 6th bolt 8 is stretched out outside the second tapped through hole 14.Other steps and parameter and specific reality Apply one of mode one to three identical.
Specific embodiment five:Unlike one of present embodiment and specific embodiment one to four:First spiral shell Bolt 3, the second bolt 4, the 3rd bolt 5, the 4th bolt 6, the 5th bolt 7 and the 6th bolt 8 are hexagon socket head cap screw.Other steps and Parameter is identical with one of specific embodiment one to four.

Claims (5)

1. a kind of horizontal lathe turning turbine rotor auxiliary clamping device, it is characterised in that:The device is by U-shaped plate (1), length Cube copper gasket (2), the first bolt (3), the second bolt (4), the 3rd bolt (5), the 4th bolt (6), the 5th bolt (7) and 6th bolt (8) is constituted;
The cuboid copper gasket (2) is arranged in U-shaped plate (1) opening, U-shaped plate (1) inner surface and cuboid copper gasket (2) inner surface surrounds the rectangular body opening of section bar;In two end faces that cuboid copper gasket (2) is contacted with U-shaped plate (1) inner surface, The first tapped blind hole (21) and the second tapped blind hole (22) are provided with one of end face, the 3rd is provided with another end face Tapped blind hole (23) and the 4th tapped blind hole (24);The center of the first tapped blind hole (21) and the center of the second tapped blind hole (22) Line parallel to the end face contacted with U-shaped plate (1) inner surface in cuboid copper gasket (2) length direction;3rd screw thread The line at the center of the center of blind hole (23) and the 4th tapped blind hole (24) parallel in cuboid copper gasket (2) with U-shaped plate (1) length direction of the end face of inner surface contact;It is provided with and the first spiral shell on two outer surfaces of end of U-shaped plate (1) Line blind hole (21), the second tapped blind hole (22), the 3rd tapped blind hole (23) and four corresponding circles of the 4th tapped blind hole (24) Shape through hole, the first bolt (3), the second bolt (4), the 3rd bolt (5) and the 4th bolt (6) are each passed through manhole and screw in the In one tapped blind hole (21), the second tapped blind hole (22), the 3rd tapped blind hole (23) and the 4th tapped blind hole (24);U-shaped plate (1) Outer surface circular arc be provided with strip gap slot (11), the length direction and the first tapped blind hole of strip gap slot (11) (21), the second tapped blind hole (22), the 3rd tapped blind hole (23) are parallel with the center line of the 4th tapped blind hole (24);Lack in strip In mouth groove (11) the first tapped through hole (13) and second are provided with the U-shaped plate (1) at strip gap slot (11) two ends Tapped through hole (14), the 5th bolt (7) and the 6th bolt (8) screw in the first tapped through hole (13 and second tapped through hole respectively (14)。
2. horizontal lathe turning turbine rotor auxiliary clamping device according to claim 1, it is characterised in that:It is described It is internal that the nut of the 5th bolt (7) and the nut of the 6th bolt (8) are arranged at strip gap slot (11).
3. horizontal lathe turning turbine rotor auxiliary clamping device according to claim 1, it is characterised in that:It is described It is outside that the head of screw of the 5th bolt (7) stretches out the first tapped through hole (13).
4. horizontal lathe turning turbine rotor auxiliary clamping device according to claim 1, it is characterised in that:It is described It is outside that the head of screw of the 6th bolt (8) stretches out the second tapped through hole (14).
5. horizontal lathe turning turbine rotor auxiliary clamping device according to claim 1, it is characterised in that:It is described First bolt (3), the second bolt (4), the 3rd bolt (5), the 4th bolt (6), the 5th bolt (7) and the 6th bolt (8) are interior Hex bolts.
CN201710073980.1A 2017-02-10 2017-02-10 A kind of horizontal lathe turning turbine rotor auxiliary clamping device CN106695366B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710073980.1A CN106695366B (en) 2017-02-10 2017-02-10 A kind of horizontal lathe turning turbine rotor auxiliary clamping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710073980.1A CN106695366B (en) 2017-02-10 2017-02-10 A kind of horizontal lathe turning turbine rotor auxiliary clamping device

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CN106695366A true CN106695366A (en) 2017-05-24
CN106695366B CN106695366B (en) 2018-08-21

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB704423A (en) * 1952-01-11 1954-02-24 Parsons C H Ltd Improvements relating to electric fuse holders
CN201389756Y (en) * 2009-04-30 2010-01-27 杨康美 Hexahedron holding fixture
CN202607259U (en) * 2012-03-27 2012-12-19 余忠谦 Workpiece protective pad
CN202701814U (en) * 2012-06-11 2013-01-30 海盐双赢管件制造有限公司 U-shaped clamping tool
CN102921982A (en) * 2012-11-21 2013-02-13 无锡三虹重工机械设备有限公司 Chuck
CN203076937U (en) * 2012-12-20 2013-07-24 中国北车集团大同电力机车有限责任公司 Positioning fixture of machine tool
CN103464803A (en) * 2013-08-24 2013-12-25 中国北车集团大同电力机车有限责任公司 Workpiece end face threaded hole machining method and device
CN104354057A (en) * 2014-11-03 2015-02-18 安庆安帝技益精机有限公司 Automatic piston ring fetching and handling device
CN206598102U (en) * 2017-02-10 2017-10-31 哈尔滨汽轮机厂有限责任公司 A kind of horizontal lathe turning turbine rotor auxiliary clamping device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB704423A (en) * 1952-01-11 1954-02-24 Parsons C H Ltd Improvements relating to electric fuse holders
CN201389756Y (en) * 2009-04-30 2010-01-27 杨康美 Hexahedron holding fixture
CN202607259U (en) * 2012-03-27 2012-12-19 余忠谦 Workpiece protective pad
CN202701814U (en) * 2012-06-11 2013-01-30 海盐双赢管件制造有限公司 U-shaped clamping tool
CN102921982A (en) * 2012-11-21 2013-02-13 无锡三虹重工机械设备有限公司 Chuck
CN203076937U (en) * 2012-12-20 2013-07-24 中国北车集团大同电力机车有限责任公司 Positioning fixture of machine tool
CN103464803A (en) * 2013-08-24 2013-12-25 中国北车集团大同电力机车有限责任公司 Workpiece end face threaded hole machining method and device
CN104354057A (en) * 2014-11-03 2015-02-18 安庆安帝技益精机有限公司 Automatic piston ring fetching and handling device
CN206598102U (en) * 2017-02-10 2017-10-31 哈尔滨汽轮机厂有限责任公司 A kind of horizontal lathe turning turbine rotor auxiliary clamping device

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