CN106808409A - Pin removes device when a kind of steam turbine stator portion set is reprocessed - Google Patents
Pin removes device when a kind of steam turbine stator portion set is reprocessed Download PDFInfo
- Publication number
- CN106808409A CN106808409A CN201710128185.8A CN201710128185A CN106808409A CN 106808409 A CN106808409 A CN 106808409A CN 201710128185 A CN201710128185 A CN 201710128185A CN 106808409 A CN106808409 A CN 106808409A
- Authority
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- China
- Prior art keywords
- hole
- connecting rod
- pin
- machined
- lower shoe
- 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
- 239000000463 material Substances 0.000 claims description 10
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
Pin removes device when a kind of steam turbine stator portion set is reprocessed, and designs a kind of pin and removes device.The present invention is in order to solve when existing steam turbine stator portion set is reprocessed due to pin corrosion so that pin and stator portion set bulk adhesive, in turn result in shop bolt and be difficult normally to take out, transport and reprocess high cost.Device is made up of cylindrical shell, first connecting rod, second connecting rod, U-frame, support and screw rod；Support is set in outside cylindrical shell, and screw rod is provided with cubical one end end and sequentially passes through the through hole of cylindrical shell circle upper plate center processing and the screw of support cross upper table end face center processing and lean out top surface setting on cross.Apparatus of the present invention are simple to operate, and pin dismounting can be carried out on the premise of lathe is not take up, and reprocess low cost, are easy to promote on a large scale.Apparatus of the present invention are removed suitable for pin.
Description
Technical field
Pin removes device when being reprocessed the present invention relates to a kind of steam turbine stator portion set.
Background technology
Steam-turbine unit will periodically be carried out large repairs, and part is changed or depot repair according to extent of deterioration, depot repair
It is frequently encountered when some normally produce the problem, wherein stator Bu Taofan factories not run into and will often find that split is positioned
Pin is because under steam-turbine unit working condition, incrustation scale corrosion causes that pin together with stator portion set bulk adhesive, is positioned
Pin is difficult normal taking-up, and the settling mode lathe boring cutter of such case falls pin boring in the prior art, and pin-and-hole is straight
Footpath larger, and second half stator portion for matching is covered into pin-and-hole by this larger, with new pin, this technology is existing in power plant
Field reprocess be difficult solves the problems, such as process equipment, typically just to return repair in shop answer or finding nearby processing producer and equipment repaiied
Multiple, do so increased transport and reprocess cost, while returning to factory repair will take lathe, and then influence new product production
Cycle.
The content of the invention
The present invention is in order to solve when existing steam turbine stator portion set is reprocessed due to pin corrosion so that pin covers with stator portion
Bulk adhesive, in turn results in shop bolt and is difficult normally to take out, transport and reprocess high cost and return to factory repair to take lathe
The problem of new product production cycle is influenceed, pin removes device when proposing that a kind of steam turbine stator portion set is reprocessed.
Pin removes device when a kind of steam turbine stator portion set is reprocessed, and the device is by cylindrical shell, two first connecting rods, two
Individual second connecting rod, two U-frames, support and screw rods are constituted；
The cylindrical shell is by the arc between circular upper plate, circular lower shoe and circular upper plate and circular lower shoe
Shape connecting plate is constituted；Circular upper plate center is machined with through hole；Circular lower shoe center is machined with through hole；Circular lower shoe edge
Two chamfered edge grooves of positional symmetry are machined with, four waist typed through hole are machined with circular lower shoe, any one waist typed through hole
Radius of the center line all with circular lower shoe is parallel；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge grooves to be set
Put, and the circular lower shoe center of distance is farther out；Another two waist typed through hole in four waist typed through hole is with circular lower shoe center
It is symmetrical arranged, and the circular lower shoe center of distance is nearer；
Two sides of the U-frame are machined with through hole, and the base of U-frame is machined with screw；
The upper and lower surface at the first connecting rod both ends is machined with gap slot, and first connecting rod both ends process
There is through hole, the upper and lower surface in the middle part of first connecting rod is machined with inclined-plane, the inclined-plane of upper surface and the inclined-plane of lower surface are formed
First triangular edge；
The second connecting rod two ends are machined with open slot, and two cell walls of open slot are machined with through hole, second connecting rod it is upper
Surface and lower surface are machined with inclined-plane, and the inclined-plane of upper surface and the inclined-plane of lower surface form the second triangular edge；
The support is made up of top surface on cross and the support bar affixed with the cross end vertical of upper top surface；Cross
End face center is machined with screw in shape；
Described screw rod one end is provided with the cylinder with diameter greater than screw diameter, and the screw rod other end is machined with cube
Body, the diameter of the cylinder diameter of the screw rod one end through hole centrally disposed more than circular upper plate in cylindrical shell；
The two ends of described two first connecting rods are inserted in two open slots of second connecting rod two ends processing respectively, two first
Connecting rod and two second connecting rods surround and to form square and be arranged at cylindrical shell circle lower shoe upper surface, the screw rod of first connecting rod
Screw rod one end of one end and second connecting rod is centrally disposed towards cylindrical shell circle lower shoe；
The through hole of first connecting rod and the through hole of second connecting rod and cylindrical shell on the square a pair relative summits
The adjacent waist typed through hole of circular lower shoe chamfered edge groove is correspondingly arranged, and U-frame is set in the through hole of the first connecting rod on the summit,
On the adjacent waist typed through hole of through hole and cylindrical shell the circle lower shoe chamfered edge groove of two connecting rods, and by pin by U-frame two
Through hole, the through hole of first connecting rod, the through hole of second connecting rod and waist typed through hole connection that side processes；The pin afterbody is provided with
External screw thread, and the locking nut matched with external screw thread；
Bolt is provided with the screw of the U-frame base processing, the circular lower shoe edge of head of screw contact of bolt adds
The chamfered edge groove of work；The bolt set in the screw of the U-frame base processing is outer-hexagonal bolt；
The through hole of another first connecting rod on relative summit of square, the through hole and cylindrical shell of second connecting rod
The waist typed through hole of circular lower shoe is connected by pin, and the pin afterbody is provided with external screw thread, and matched with external screw thread
Locking nut；
The support is set in outside cylindrical shell, and screw rod is provided with cubical one end end and sequentially passes through cylindrical shell circle
The through hole of shape upper plate center processing and the screw of support cross upper table end face center processing and lean out top surface on cross and set
Put；
The material of the pin is high-speed steel；The material of first connecting rod and second connecting rod is high-speed steel.
Pin is removed the application method of device and is had the beneficial effect that when steam turbine stator portion set of the present invention is reprocessed：
When the 1st, using, apparatus of the present invention are placed on stator portion set body, pin spills the circle for partially passing through cylindrical shell
The through hole of shape lower shoe, and it is placed in two first connecting rods and two second connecting rods are surrounded between the square to be formed, then screw U
The bolt set in the screw of shape frame base, now square be deformed as rhombus and clamp pin and spill part, then with pulling
Hand screws out screw rod upwards, and the support bar for screwing out screw rod process medium-height trestle plays a part of reversely support, and cylindrical shell is lifted upwards
Rise, and then drive two first connecting rods and two second connecting rods and pin to be lifted up, and then extract pin；
2nd, apparatus of the present invention can carry out pin dismounting on the premise of lathe is not take up；
3rd, the material of first connecting rod and second connecting rod is high-speed steel in apparatus of the present invention, and hardness is more than the positioning for needing to remove
Pin, the inclined-plane of such first connecting rod can form triangular edge with the inclined-plane of second connecting rod, and the alignment pin that removed can be produced
Detrusion, only frictionally effect causes alignment pin to be slipped from connecting rod between alignment pin and connecting rod during preventing from pulling pin；
4th, apparatus of the present invention are simple to operate, reprocess low cost, are easy to promote on a large scale.
Brief description of the drawings：
Fig. 1 is that pin removes apparatus structure schematic diagram when steam turbine stator portion of the present invention set is reprocessed；
Fig. 2 is the structural representation of cylindrical shell 1 in apparatus of the present invention；
Fig. 3 is the structural representation of first connecting rod 2 in apparatus of the present invention；
Fig. 4 is the structural representation of second connecting rod 3 in apparatus of the present invention；
Fig. 5 is the structural representation of U-frame 4 in apparatus of the present invention；
Fig. 6 is the structural representation of apparatus of the present invention medium-height trestle 5；
Fig. 7 is the structural representation of screw rod 6 in apparatus of the present invention；
Fig. 8 is sectional view at the A-A of first connecting rod 2 in apparatus of the present invention；
Fig. 9 is sectional view at the B-B of second connecting rod 3 in apparatus of the present invention.
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 is illustrated with reference to Fig. 1~9, present embodiment steam turbine stator portion set is reprocessed
When pin remove device, the device is by cylindrical shell 1, two first connecting rod 2, two second connecting rod 3, two U-frames 4, supports 5
Constituted with screw rod 6；
The cylindrical shell 1 is by between circular upper plate, circular lower shoe and circular upper plate and circular lower shoe
Arc pressuring plate is constituted；Circular upper plate center is machined with through hole；Circular lower shoe center is machined with through hole；Circle bottom edges of boards
Edge is machined with two chamfered edge grooves of positional symmetry, and four waist typed through hole, any one waist typed through hole are machined with circular lower shoe
Radius of the center line all with circular lower shoe it is parallel；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge grooves
Set, and the circular lower shoe center of distance is farther out；Another two waist typed through hole in four waist typed through hole is with circular lower shoe
The heart is symmetrical arranged, and the circular lower shoe center of distance is nearer；
Two sides of the U-frame 4 are machined with through hole, and the base of U-frame 4 is machined with screw；
The upper and lower surface at the both ends of the first connecting rod 2 is machined with gap slot, and the both ends of first connecting rod 2 add
The upper and lower surface that work has through hole, the middle part of first connecting rod 2 is machined with inclined-plane, the inclined-plane of upper surface and the scarf of lower surface
Into the first triangular edge 21；
The two ends of the second connecting rod 3 are machined with open slot, and two cell walls of open slot are machined with through hole, second connecting rod 3
Upper and lower surface is machined with inclined-plane, and the inclined-plane of upper surface and the inclined-plane of lower surface form the second triangular edge 31；
The support 5 is made up of top surface on cross and the support bar affixed with the cross end vertical of upper top surface；Ten
End face center is machined with screw on font；
The one end of the screw rod 6 is provided with the cylinder with diameter greater than the diameter of screw rod 6, and the other end of the screw rod 6 is machined with vertical
Cube, the diameter of the cylinder diameter of the one end of screw rod 6 through hole centrally disposed more than circular upper plate in cylindrical shell 1；
The two ends of described two first connecting rods 2 are inserted in the open slots of two two ends of second connecting rod 3 processing respectively, two the
One connecting rod 2 and two second connecting rods 3 surround and to form square and be arranged at the circular lower shoe upper surface of cylindrical shell 1, first connecting rod 2
The one end of screw rod 6 and second connecting rod 3 the one end of screw rod 6 it is centrally disposed towards the circular lower shoe of cylindrical shell 1；
The through hole and the through hole and cylindrical shell of second connecting rod 3 of the first connecting rod 2 on the square a pair relative summits
The adjacent waist typed through hole of the circular lower shoe chamfered edge groove of body 1 is correspondingly arranged, and U-frame 4 is set in the logical of the first connecting rod 2 on the summit
On the adjacent waist typed through hole of the circular lower shoe chamfered edge groove of hole, the through hole of second connecting rod 3 and cylindrical shell 1, and by pin by U-shaped
4 two through holes of side processing of frame, the through hole of first connecting rod 2, the through hole of second connecting rod 3 and waist typed through hole connection；The pin
Afterbody is provided with external screw thread, and the locking nut matched with external screw thread；
Bolt is provided with the screw of the base of the U-frame 4 processing, the circular lower shoe edge of head of screw contact of bolt adds
The chamfered edge groove of work；The through hole of another first connecting rod 2 on relative summit of the square, the through hole and circle of second connecting rod 3
The waist typed through hole of the circular lower shoe of post housing 1 is connected by pin, and the pin afterbody is provided with external screw thread, and and external screw thread
The locking nut of matching；
The support 5 is set in outside cylindrical shell 1, and screw rod 6 is provided with cubical one end end and sequentially passes through cylindrical shell
The through hole of the circular upper plate center processing of body 1 and the screw of the cross upper table end face center of support 5 processing and lean out on cross
Top surface is set.
Pin is removed the application method of device and is had the beneficial effect that when steam turbine stator portion set of the present invention is reprocessed：
When the 1st, using, present embodiment device is placed on stator portion set body, pin spills and partially passes through cylindrical shell 1
Circular lower shoe through hole, and be placed in two first connecting rods 2 and two second connecting rods 3 are surrounded between the square to be formed, so
The bolt set in the base screw of U-frame 4 is screwed afterwards, and now square is deformed as rhombus and clamps pin and spill part,
Then screw rod 6 is screwed out upwards with spanner, the support bar for screwing out the process medium-height trestle 5 of screw rod 6 plays a part of reversely support, cylindrical shell
Body 1 is lifted up, and then drives two first connecting rods 2 and two second connecting rods 3 and pin to be lifted up, and then extracts pin
Nail；
2nd, present embodiment device can carry out pin dismounting on the premise of lathe is not take up；
3rd, the material of first connecting rod 2 and second connecting rod 3 is high-speed steel in present embodiment device, and hardness is more than to be needed to remove
Alignment pin, the inclined-plane of such first connecting rod 2 and the inclined-plane of second connecting rod 3 can form triangular edge, can be to determining for being removed
Position pin produces detrusion, and only frictionally effect causes alignment pin from connecting rod between alignment pin and connecting rod during preventing from pulling pin
Middle slippage；
4th, present embodiment device is simple to operate, reprocesses low cost, is easy to promote on a large scale.
Specific embodiment two：Present embodiment from unlike specific embodiment one：The material of the pin is height
Fast steel.Other steps and parameter are identical with specific embodiment one.
Specific embodiment three：Present embodiment from unlike specific embodiment one or two：The first connecting rod 2
Material is high-speed steel.Other steps and parameter are identical with specific embodiment one or two.
Specific embodiment four：Unlike one of present embodiment and specific embodiment one to three：Described second connects
The material of bar 3 is high-speed steel.Other steps and parameter are identical with one of specific embodiment one to three.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：The U-frame 4
The bolt set in the screw of base processing is outer-hexagonal bolt.One of other steps and parameter and specific embodiment one to four
It is identical.
Claims (5)
1. pin removes device when a kind of steam turbine stator portion set is reprocessed, it is characterised in that：The device is by cylindrical shell (1), two
Individual first connecting rod (2), two second connecting rods (3), two U-frames (4), support (5) and screw rods (6) are constituted；
The cylindrical shell (1) is by the arc between circular upper plate, circular lower shoe and circular upper plate and circular lower shoe
Shape connecting plate is constituted；Circular upper plate center is machined with through hole；Circular lower shoe center is machined with through hole；Circular lower shoe edge
Two chamfered edge grooves of positional symmetry are machined with, four waist typed through hole are machined with circular lower shoe, any one waist typed through hole
Radius of the center line all with circular lower shoe is parallel；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge grooves to be set
Put, and the circular lower shoe center of distance is farther out；Another two waist typed through hole in four waist typed through hole is with circular lower shoe center
It is symmetrical arranged, and the circular lower shoe center of distance is nearer；
Two sides of the U-frame (4) are machined with through hole, and the base of U-frame (4) is machined with screw；
The upper and lower surface at first connecting rod (2) both ends is machined with gap slot, and first connecting rod (2) both ends add
Work has through hole, and the upper and lower surface in the middle part of first connecting rod (2) is machined with inclined-plane, the inclined-plane of upper surface and the inclined-plane of lower surface
Form the first triangular edge (21)；
Second connecting rod (3) two ends are machined with open slot, and two cell walls of open slot are machined with through hole, second connecting rod (3)
Upper and lower surface is machined with inclined-plane, and the inclined-plane of upper surface and the inclined-plane of lower surface form the second triangular edge (31)；
The support (5) is made up of top surface on cross and the support bar affixed with the cross end vertical of upper top surface；Cross
End face center is machined with screw in shape；
Described screw rod (6) one end is provided with the cylinder with diameter greater than screw rod (6) diameter, and screw rod (6) other end is machined with
Cube, the cylinder diameter of screw rod (6) one end through hole centrally disposed more than circular upper plate in cylindrical shell (1) it is straight
Footpath；
The two ends of described two first connecting rods (2) are inserted in the open slots of two second connecting rod (3) two ends processing respectively, two the
One connecting rod (2) and two second connecting rods (3) are surrounded and to form square and be arranged at cylindrical shell (1) circle lower shoe upper surface, the
Screw rod (6) one end of one connecting rod (2) and screw rod (6) one end of second connecting rod (3) are towards cylindrical shell (1) circle lower shoe center
Set；
The through hole of the first connecting rod (2) on the square a pair relative summits and the through hole and cylindrical shell of second connecting rod (3)
The adjacent waist typed through hole of body (1) circle lower shoe chamfered edge groove is correspondingly arranged, and U-frame (4) is set in the first connecting rod on the summit
(2) it is on the adjacent waist typed through hole of through hole, the through hole of second connecting rod (3) and cylindrical shell (1) circle lower shoe chamfered edge groove and logical
Cross through holes, the through hole of first connecting rod (2), the through hole and waist type of second connecting rod (3) that pin processes (4) two sides of U-frame
Through hole is connected；The pin afterbody is provided with external screw thread, and the locking nut matched with external screw thread；
Bolt, the circular lower shoe edge processing of head of screw contact of bolt are provided with the screw of U-frame (4) the base processing
Chamfered edge groove；
The through hole of another first connecting rod (2) on relative summit of the square, the through hole and cylindrical shell of second connecting rod (3)
The waist typed through hole of body (1) circle lower shoe is connected by pin, and the pin afterbody is provided with external screw thread, and with external screw thread
The locking nut matched somebody with somebody；
The support (5) is set in cylindrical shell (1) outside, and screw rod (6) is provided with cubical one end end and sequentially passes through cylinder
The through hole of housing (1) circle upper plate center processing and the screw of support (5) cross upper table end face center processing and lean out ten
Top surface is set on font.
2. pin removes device when steam turbine stator portion set according to claim 1 is reprocessed, it is characterised in that：The pin
Material be high-speed steel.
3. pin removes device when steam turbine stator portion set according to claim 1 is reprocessed, it is characterised in that：Described first
The material of connecting rod (2) is high-speed steel.
4. pin removes device when steam turbine stator portion set according to claim 1 is reprocessed, it is characterised in that：Described second
The material of connecting rod (3) is high-speed steel.
5. pin removes device when steam turbine stator portion set according to claim 1 is reprocessed, it is characterised in that：The U-shaped
The bolt set in the screw of frame (4) base processing is outer-hexagonal bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128185.8A CN106808409B (en) | 2017-03-06 | 2017-03-06 | Pin removes device when a kind of steam turbine stator portion set is reprocessed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128185.8A CN106808409B (en) | 2017-03-06 | 2017-03-06 | Pin removes device when a kind of steam turbine stator portion set is reprocessed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106808409A true CN106808409A (en) | 2017-06-09 |
| CN106808409B CN106808409B (en) | 2018-10-16 |
Family
ID=59115058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710128185.8A Active CN106808409B (en) | 2017-03-06 | 2017-03-06 | Pin removes device when a kind of steam turbine stator portion set is reprocessed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106808409B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5745968A (en) * | 1996-09-10 | 1998-05-05 | Reeves Brothers, Inc. | Sound dampening tool for cylindrical printing blankets |
| JP2009142965A (en) * | 2007-12-18 | 2009-07-02 | Beppu Kanagata Kk | Knock pin extracting tool |
| CN201519940U (en) * | 2009-11-19 | 2010-07-07 | 湘电重型装备股份有限公司 | Hydraulic cylinder piston detaching tool |
| CN203918923U (en) * | 2014-06-28 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of shoe brake alignment pin tool specially for attaching and detaching |
| CN204195661U (en) * | 2014-09-20 | 2015-03-11 | 中船澄西船舶修造有限公司 | Marine engine oil head bushing dismounting tool |
-
2017
- 2017-03-06 CN CN201710128185.8A patent/CN106808409B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5745968A (en) * | 1996-09-10 | 1998-05-05 | Reeves Brothers, Inc. | Sound dampening tool for cylindrical printing blankets |
| JP2009142965A (en) * | 2007-12-18 | 2009-07-02 | Beppu Kanagata Kk | Knock pin extracting tool |
| CN201519940U (en) * | 2009-11-19 | 2010-07-07 | 湘电重型装备股份有限公司 | Hydraulic cylinder piston detaching tool |
| CN203918923U (en) * | 2014-06-28 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of shoe brake alignment pin tool specially for attaching and detaching |
| CN204195661U (en) * | 2014-09-20 | 2015-03-11 | 中船澄西船舶修造有限公司 | Marine engine oil head bushing dismounting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106808409B (en) | 2018-10-16 |
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Effective date of registration: 20221220 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |