CN106808409B - 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
- CN106808409B CN106808409B CN201710128185.8A CN201710128185A CN106808409B CN 106808409 B CN106808409 B CN 106808409B CN 201710128185 A CN201710128185 A CN 201710128185A CN 106808409 B CN106808409 B CN 106808409B
- Authority
- CN
- China
- Prior art keywords
- hole
- connecting rod
- pin
- lower plate
- cylindrical shell
- 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.)
- Active
Links
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
Abstract
Pin removes device when a kind of steam turbine stator portion set is reprocessed, and designs a kind of pin dismounting device.The present invention in order to solve in turn result in since pin corrosion makes pin and stator portion cover bulk adhesive when existing steam turbine stator portion set is reprocessed shop bolt be difficult normally take out, transport and reprocess it is of high cost.Device is made of cylindrical shell, first connecting rod, second connecting rod, U-frame, holder and screw rod；Holder is set in outside cylindrical shell, and screw rod, which 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 hole of holder cross upper table end face center processing and lean out top surface on cross, to be arranged.Apparatus of the present invention are easy to operate, and pin dismounting can be carried out under the premise of being not take up lathe, reprocess at low cost, promoted convenient for a wide range of.Apparatus of the present invention are removed suitable for pin.
Description
Technical field
The present invention relates to pins when a kind of steam turbine stator portion set is reprocessed to remove device.
Background technology
Steam-turbine unit will periodically carry out large repairs, and component carries out replacement or depot repair, depot repair according to extent of deterioration
It will often find that split positions when being frequently encountered the problem of some normal productions did not encounter, wherein stator Bu Taofan factories
Pin is since under steam-turbine unit working condition, incrustation scale corrosion makes pin together with stator portion set bulk adhesive, positioning
Pin is difficult normally to take out, and the boring cutter of the settling mode lathe of such case falls pin boring in the prior art, and pin hole is straight
Diameter larger, and the stator portion of the other half matching set pin hole is pressed into this larger, match new pin, this technology is existing in power plant
Field reprocess be difficult solves the problems, such as process equipment, will generally return repair in shop answer or finding nearby processing producer and equipment repaiied
It is multiple, it does so and increases transport and reprocess cost, while returning to factory repair to occupy lathe, and then influence new product production
Period.
Invention content
The present invention is in order to solve when existing steam turbine stator portion set is reprocessed since pin corrosion makes pin and stator portion cover
Bulk adhesive, it is difficult normally to take out, transport and reprocess of high cost and return factory repair to occupy lathe in turn result in shop bolt
The problem of influencing the new product production cycle, proposes that pin removes device when 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
A second connecting rod, two U-frames, holder and screw rod are constituted；
The cylindrical shell is by the arc between round upper plate, round lower plate and round upper plate and round lower plate
Shape connecting plate is constituted；Round upper plate center is machined with through-hole；Round lower plate center is machined with through-hole；Round lower plate edge
The chamfered edge slot there are two positional symmetry is processed, is processed on round lower plate there are four waist typed through hole, any one waist typed through hole
Center line is all parallel with the radius of round lower plate；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge slots to be set
It sets, and farther out apart from round lower plate center；Another two waist typed through hole in four waist typed through hole is with round lower plate center
It is symmetrical arranged, and closer apart from round lower plate center；
Two sides of the U-frame are machined with through-hole, and the bottom edge of U-frame is machined with screw hole；
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, and the inclined-plane of upper surface and the inclined-plane of lower surface are formed
First triangular edge；
The second connecting rod both 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 holder is made of top surface on cross and the supporting rod affixed with the cross end vertical of upper top surface；Cross
End face center is machined with screw hole in shape；
Described screw rod one end is provided with the cylinder that diameter is more than screw diameter, and the screw rod other end is machined with cube
Body, the cylinder diameter of screw rod one end are more than the diameter of the centrally disposed through-hole of round upper plate in cylindrical shell；
The both ends of described two first connecting rods are inserted into respectively in the open slot of two second connecting rod both ends processing, two first
Connecting rod and two second connecting rods, which surround, to be formed square and is set to cylindrical shell circle lower plate upper surface, and the first of first connecting rod
Second triangular edge of triangular edge and second connecting rod is centrally disposed towards cylindrical shell circle lower plate；
The through-hole of first connecting rod and the through-hole of second connecting rod on a pair of opposite vertex of square and cylindrical shell
The adjacent waist typed through hole of round lower plate chamfered edge slot is correspondingly arranged, and U-frame is set in the through-hole of the first connecting rod on the vertex,
On the adjacent waist typed through hole of the through-hole and cylindrical shell circle lower plate chamfered edge slot 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 of side processing are connected with waist typed through hole；The pin tail portion is provided with
External screw thread, and with the matched locking nut of external screw thread；
Bolt is provided in the screw hole of the U-frame bottom edge processing, the head of screw contact round lower plate edge of bolt adds
The chamfered edge slot of work；The bolt being arranged in the screw hole of the U-frame bottom edge processing is outer-hexagonal bolt；
The through-hole of first connecting rod, the through-hole of second connecting rod and cylindrical shell on the opposite vertex of described square another pair
The waist typed through hole of round lower plate is connected by pin, and the pin tail portion is provided with external screw thread, and matched with external screw thread
Locking nut；
The holder is set in outside cylindrical shell, and screw rod is provided with cubical one end and sequentially passes through cylindrical shell circle
It the through-hole of upper plate center processing and the screw hole of holder cross upper table end face center processing and leans out on cross top surface and is arranged；
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 of the present invention portion set is reprocessed：
1, in use, apparatus of the present invention are placed on stator portion set ontology, pin leaks out the circle for partially passing through cylindrical shell
The through-hole of shape lower plate, and it is placed in two first connecting rods and two second connecting rods surround between the square to be formed, then screw U
The bolt being arranged in the screw hole of shape frame bottom edge, at this time square be deformed as diamond shape and clamp pin and leak out part, then with pulling
Hand screws out screw rod upwards, and the supporting rod for screwing out holder during screw rod plays the role of reversely supporting, and cylindrical shell is lifted upwards
It rises, and then two first connecting rods and two second connecting rods and pin is driven to be lifted up, and then extract pin；
2, apparatus of the present invention can carry out pin dismounting under the premise of being not take up lathe；
3, 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 and the inclined-plane of second connecting rod can form triangular edge, can be generated to the positioning pin to be removed
It is shear-deformable, prevent during pulling pin only frictionally effect between positioning pin and connecting rod that positioning pin is caused to be slipped from connecting rod；
4, apparatus of the present invention are easy to operate, reprocess at low cost, promoted convenient for a wide range of.
Description of the drawings：
Fig. 1 is that pin removes apparatus structure schematic diagram when steam turbine stator of the present invention portion set is reprocessed；
Fig. 2 is 1 structural schematic diagram of cylindrical shell in apparatus of the present invention；
Fig. 3 is 2 structural schematic diagram of first connecting rod in apparatus of the present invention；
Fig. 4 is 3 structural schematic diagram of second connecting rod in apparatus of the present invention；
Fig. 5 is 4 structural schematic diagram of U-frame in apparatus of the present invention；
Fig. 6 is 5 structural schematic diagram of holder in apparatus of the present invention；
Fig. 7 is 6 structural schematic diagram of screw rod 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 implementation mode：
Technical solution of the present invention is not limited to act specific implementation mode set forth below, further includes between each specific implementation mode
Arbitrary reasonable combination.
Specific implementation mode one：Illustrate that present embodiment, present embodiment steam turbine stator portion set are reprocessed in conjunction with Fig. 1~9
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, holders 5
It is constituted with screw rod 6；
The cylindrical shell 1 is by between round upper plate, round lower plate and round upper plate and round lower plate
Arc pressuring plate is constituted；Round upper plate center is machined with through-hole；Round lower plate center is machined with through-hole；Circle bottom edges of boards
There are two the chamfered edge slots of positional symmetry for edge processing, and there are four waist typed through hole, any one waist typed through hole for processing on round lower plate
Center line it is all parallel with the radius of round lower plate；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge slots
Setting, and farther out apart from round lower plate center；Another two waist typed through hole in four waist typed through hole is in round lower plate
The heart is symmetrical arranged, and closer apart from round lower plate center；
Two sides of the U-frame 4 are machined with through-hole, and the bottom edge of U-frame 4 is machined with screw hole；
The upper and lower surface at 2 both ends of the first connecting rod is machined with gap slot, and 2 both ends of first connecting rod add
Work has through-hole, the upper and lower surface at 2 middle part of first connecting rod to be machined with inclined-plane, the inclined-plane of upper surface and the scarf of lower surface
At the first triangular edge 21；
3 both ends of the second connecting rod 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 holder 5 is made of top surface on cross and the supporting rod affixed with the cross end vertical of upper top surface；Ten
End face center is machined with screw hole on font；
6 one end of the screw rod is provided with the cylinder that diameter is more than 6 diameter of screw rod, and 6 other end of the screw rod is machined with vertical
Cube, the cylinder diameter of 6 one end of screw rod are more than the diameter of the centrally disposed through-hole of round upper plate in cylindrical shell 1；
The both ends of described two first connecting rods 2 are inserted into respectively in the open slot of two 3 both ends of second connecting rod processing, two the
One connecting rod 2 and two second connecting rods 3, which surround, to be formed square and is set to the round lower plate of cylindrical shell 1 upper surface, first connecting rod 2
The first triangular edge 21 and second connecting rod 3 the second triangular edge 31 it is centrally disposed towards the round lower plate of cylindrical shell 1；
The through-hole and cylindrical shell of the through-hole and second connecting rod 3 of first connecting rod 2 on a pair of opposite vertex of square
The adjacent waist typed through hole of the round lower plate chamfered edge slot of body 1 is correspondingly arranged, and U-frame 4 is set in the logical of the first connecting rod 2 on the vertex
On the adjacent waist typed through hole of the round lower plate chamfered edge slot of hole, the through-hole of second connecting rod 3 and cylindrical shell 1, and by pin by U-shaped
Through-hole, the through-hole of first connecting rod 2, the through-hole of second connecting rod 3 of 4 two sides of frame processing are connected with waist typed through hole；The pin
Tail portion is provided with external screw thread, and with the matched locking nut of external screw thread；
Bolt is provided in the screw hole of 4 bottom edge of U-frame processing, the head of screw contact round lower plate edge of bolt adds
The chamfered edge slot of work；The through-hole of first connecting rod 2 on the opposite vertex of described square another pair, the through-hole and circle of second connecting rod 3
The waist typed through hole of the round lower plate of column shell 1 is connected by pin, and the pin tail portion is provided with external screw thread, and and external screw thread
Matched locking nut；
The holder 5 is set in outside cylindrical shell 1, and screw rod 6 is provided with cubical one end and sequentially passes through cylindrical shell 1
The through-hole of round upper plate center processing and the screw hole of 5 cross upper table end face center of holder processing and lean out top surface on cross
Setting.
Pin is removed the application method of device and is had the beneficial effect that when steam turbine stator of the present invention portion set is reprocessed：
1, in use, present embodiment device is placed on stator portion set ontology, pin leakage partially passes through cylindrical shell 1
Round lower plate through-hole, and be placed in two first connecting rods 2 and two second connecting rods 3 surround between the square to be formed, so
The bolt being arranged in 4 bottom edge screw hole of U-frame is screwed afterwards, square is deformed as diamond shape and clamps pin leakage part at this time,
Then screw rod 6 is screwed out upwards with spanner, the supporting rod for screwing out holder 5 during screw rod 6 plays the role of reversely supporting, cylindrical shell
Body 1 is lifted up, and then two first connecting rods 2 and two second connecting rods 3 and pin is driven to be lifted up, and then extracts pin
Nail；
2, present embodiment device can carry out pin dismounting under the premise of being not take up lathe；
3, the material of first connecting rod 2 and second connecting rod 3 is high-speed steel in present embodiment device, and hardness, which is more than, to be needed to remove
Positioning pin, the inclined-plane of such first connecting rod 2 and the inclined-plane of second connecting rod 3 can form triangular edge, can determine what is removed
Position pin generates shear-deformable, and only frictionally effect between positioning pin and connecting rod is prevented during pulling pin to cause positioning pin from connecting rod
Middle slippage；
4, present embodiment device is easy to operate, reprocesses at low cost, is promoted convenient for a wide range of.
Specific implementation mode two：The present embodiment is different from the first embodiment in that：The material of the pin is height
Fast steel.Other steps and parameter are same as the specific embodiment one.
Specific implementation mode three：The present embodiment is different from the first and the second embodiment in that：The first connecting rod 2
Material is high-speed steel.Other steps and parameter are the same as one or two specific embodiments.
Specific implementation mode four：Unlike one of present embodiment and specific implementation mode one to three：Described second connects
The material of bar 3 is high-speed steel.Other steps and parameter are identical as one of specific implementation mode one to three.
Specific implementation mode five：Unlike one of present embodiment and specific implementation mode one to four：The U-frame 4
The bolt being arranged in the screw hole of bottom edge processing is outer-hexagonal bolt.Other steps and one of parameter and specific implementation mode 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
A first connecting rod (2), two second connecting rods (3), two U-frames (4), holder (5) and screw rod (6) are constituted；
The cylindrical shell (1) is by the arc between round upper plate, round lower plate and round upper plate and round lower plate
Shape connecting plate is constituted；Round upper plate center is machined with through-hole；Round lower plate center is machined with through-hole；Round lower plate edge
The chamfered edge slot there are two positional symmetry is processed, is processed on round lower plate there are four waist typed through hole, any one waist typed through hole
Center line is all parallel with the radius of round lower plate；Two waist typed through hole in four waist typed through hole are adjacent with two chamfered edge slots to be set
It sets, and farther out apart from round lower plate center；Another two waist typed through hole in four waist typed through hole is with round lower plate center
It is symmetrical arranged, and closer apart from round lower plate center；
Two sides of the U-frame (4) are machined with through-hole, and the bottom edge of U-frame (4) is machined with screw hole；
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, the upper and lower surface in the middle part of first connecting rod (2) to be 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) both 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 holder (5) is made of top surface on cross and the supporting rod affixed with the cross end vertical of upper top surface；Cross
End face center is machined with screw hole in shape；
Described screw rod (6) one end is provided with the cylinder that diameter is more than screw rod (6) diameter, and screw rod (6) other end is machined with
Cube, the cylinder diameter of screw rod (6) one end are more than the straight of the centrally disposed through-hole of round upper plate in cylindrical shell (1)
Diameter；
The both ends of described two first connecting rods (2) are inserted into respectively in the open slot of two second connecting rod (3) both ends processing, two the
One connecting rod (2) and two second connecting rods (3), which are surrounded, to be formed square and is set to the round lower plate upper surface of cylindrical shell (1), the
The first triangular edge (21) of one connecting rod (2) and the second triangular edge (31) of second connecting rod (3) are gone to the bottom towards cylindrical shell (1) is round
Plate is centrally disposed；
The through-hole and cylindrical shell of the through-hole and second connecting rod (3) of first connecting rod (2) on a pair of opposite vertex of square
The adjacent waist typed through hole of body (1) circle lower plate chamfered edge slot is correspondingly arranged, and U-frame (4) is set in the first connecting rod on the vertex
(2) on the adjacent waist typed through hole of the round lower plate chamfered edge slot of the through-hole and cylindrical shell (1) of through-hole, second connecting rod (3), and it is logical
Cross the through-hole that pin processes (4) two sides of U-frame, the through-hole and waist type of the through-hole of first connecting rod (2), second connecting rod (3)
Through-hole connects；The pin tail portion is provided with external screw thread, and with the matched locking nut of external screw thread；
Bolt, the head of screw contact round lower plate edge processing of bolt are provided in the screw hole of U-frame (4) the bottom edge processing
Chamfered edge slot；
The through-hole of first connecting rod (2) on the opposite vertex of described square another pair, the through-hole and cylindrical shell of second connecting rod (3)
The waist typed through hole of body (1) circle lower plate is connected by pin, and the pin tail portion is provided with external screw thread, and with external screw thread
The locking nut matched；
The holder (5) is set in cylindrical shell (1) outside, and screw rod (6) is provided with cubical one end and sequentially passes through cylindrical shell
The through-hole of body (1) circle upper plate center processing and the screw hole of holder (5) cross upper table end face center processing and lean out cross
Top surface is arranged in shape.
2. pin removes device when steam turbine stator according to claim 1 portion set is reprocessed, it is characterised in that：The pin
Material be high-speed steel.
3. pin removes device when steam turbine stator according to claim 1 portion set 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 according to claim 1 portion set 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 according to claim 1 portion set is reprocessed, it is characterised in that：The U-shaped
The bolt being arranged in the screw hole of frame (4) bottom edge 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 CN106808409A (en) | 2017-06-09 |
| CN106808409B true 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 (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009142965A (en) * | 2007-12-18 | 2009-07-02 | Beppu Kanagata Kk | Knock pin extracting tool |
-
2017
- 2017-03-06 CN CN201710128185.8A patent/CN106808409B/en active Active
Patent Citations (4)
| 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 |
| 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 |
|---|---|
| CN106808409A (en) | 2017-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105171158B (en) | A kind of turborotor taper air film hole processing technology | |
| CN102765001B (en) | Special clamp for support leg boring of development machine | |
| CN102649236A (en) | Drilling clamp | |
| CN102773742A (en) | Clamping fixture for drilling cylindrical workpiece | |
| CN106808409B (en) | Pin removes device when a kind of steam turbine stator portion set is reprocessed | |
| CN204771703U (en) | Clamping device with adjustable | |
| CN205008925U (en) | End cover mills processing universal fixturing | |
| CN203542512U (en) | Grinding wheel detaching tool for grinding machine grinding head | |
| CN202224969U (en) | Clamp for processing connecting port of air filter base | |
| CN105081494A (en) | Clamping positioning method in electrical discharge machining of mold body of hard alloy mold | |
| CN203918544U (en) | A kind of milling and drilling machine casing pincers processing tool | |
| CN205254582U (en) | Tight frock of link joint both sides face locating clip is used for milling | |
| CN211218863U (en) | Fixture for machining T-shaped milling grooves of thin-wall plates | |
| CN202780584U (en) | Positioning jig for processing end parts of cylinder workpieces | |
| CN207402487U (en) | A kind of abnormity nut processing unit (plant) | |
| CN106166619A (en) | A kind of hardware puncher | |
| CN207593274U (en) | Rotate chuck tooling | |
| CN105798403A (en) | Multi-size nut tapping machine | |
| CN203184967U (en) | Nut jig | |
| CN204639682U (en) | A kind of gear-hobbing machine feed box boring technological equipment | |
| CN203236013U (en) | Novel drill jig for circulating hole of upper bearing pedestal of shield pump | |
| CN203579643U (en) | Marking device for scale distance of high-speed tensile sample | |
| CN203380805U (en) | Fixing fixture of RAM (Random Access Memory) module | |
| CN212240137U (en) | Public clamping tool of copper | |
| CN204171604U (en) | A kind of soldering cramping apparatus column |
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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |