CN107030500A - A kind of million nuclear power hydroecium shell end pipes block processing clamping device - Google Patents
A kind of million nuclear power hydroecium shell end pipes block processing clamping device Download PDFInfo
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- CN107030500A CN107030500A CN201710282666.4A CN201710282666A CN107030500A CN 107030500 A CN107030500 A CN 107030500A CN 201710282666 A CN201710282666 A CN 201710282666A CN 107030500 A CN107030500 A CN 107030500A
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- inverted
- screw rod
- nut
- connecting plate
- studdle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
A kind of million nuclear power hydroecium shell end pipes block processing clamping device, and it is related to large diameter pipe fitting and blocks manufacture field.The present invention is in order to solve in summary, and existing million nuclear powers subsidiary engine large diameter pipe fitting blocks processing low, the long processing time that there is processing efficiency, the stability that pipe fitting is installed is poor, and security is low, easy to fall off, and manual cutting pipe fitting produces harmful dust, the problem of being detrimental to health.The inverted T shaped screw rod of the present invention is inserted into the inverted T-slot on lathe floral disc, studdle is arranged on the top of the inverted T-slot of lathe floral disc, inverted T shaped screw rod and studdle sequentially pass through the through hole on the first connecting plate and the second connecting plate, pad is socketed on inverted T shaped screw rod, first nut coordinates with studdle, and pressing plate is socketed on inverted T shaped screw rod, and one end of pressing plate is overlapped on the first nut, the pressing plate other end is overlapped on pipe fitting, and the second nut driving is on inverted T shaped screw rod.The present invention blocks processing for million nuclear power hydroecium shell end pipes.
Description
Technical field
Manufacture field is blocked the present invention relates to large diameter pipe fitting, and in particular to a kind of million nuclear powers hydroecium shell end pipe is cut
Disconnected processing clamping device.
Background technology
Million nuclear power hydroecium shell end pipes are internal diameter Ф 1850mm, wall thickness 46mm, the highly macrotype tubular for 1620mm
Pipe fitting is truncated into two sections by structure, design requirement in the position away from a side end face 150mm length, due to when vertical car is directly cut off,
Vertical overall height speed rotation, two sections of pipe fittings (two sections of pipe fittings include top tube and bottom tube) after cut-out are in without clamped condition,
Top tube can be got rid of, and injure personnel and lathe, there is very big potential safety hazard, and conventional is being stood on car after clamping,
Pipe fitting is cut out to depth 44.5mm or so annular groove from outside with parting-off tool in the position away from a side end face 150mm length, stayed
There is lower lathe pincers worker after wall thickness 1.5mm, car by hand to be cut pipe fitting with chip abrasive wheel cutting machine, this single process efficiency is very low,
Pincers worker probably needs to complete for 12 hours, and there is pipe fitting hardly possible fixation, and operating personnel have potential safety hazard, and long-time emery wheel is cut
Generation harmful dust is cut, health is influenceed.
In summary, existing million nuclear powers subsidiary engine large diameter pipe fitting blocks processing and there is processing efficiency low, process time
Long, the stability that pipe fitting is installed is poor, and security is low, easy to fall off, and manual cutting pipe fitting produces harmful dust, is detrimental to health
The problem of.
The content of the invention
The invention aims to solve in summary, existing million nuclear powers subsidiary engine large diameter pipe fitting blocks processing and deposited
Low in processing efficiency, long processing time, the stability that pipe fitting is installed is poor, and security is low, easy to fall off, and manual cutting pipe fitting is produced
Harmful dust, the problem of being detrimental to health.And then block processing folder there is provided a kind of million nuclear powers hydroecium shell end pipe
Tight device.
The technical scheme is that：
A kind of million nuclear power hydroecium shell end pipes block processing clamping device, and it includes lathe floral disc and four floral discs
Claw, four floral disc claws are arranged on lathe floral disc in the way of annular array, and it also includes multiple clamping elements, multiple clampings
Part in the way of annular array be arranged on lathe floral disc on, each clamping element include inverted T shaped screw rod, studdle, the first nut,
First connecting plate, the second connecting plate, pad, pressing plate and the second nut, inverted T shaped screw rod are vertically arranged, and inverted T shaped screw rod includes first
Support column and the second cylindrical screw rod, one end of the second cylindrical screw rod and the first support column are affixed, the second cylindrical screw it is another
One end is threaded, and the second cylindrical screw of inverted T shaped screw rod lower end is inserted into the inverted T-slot on lathe floral disc, studdle
It is be arranged in parallel with inverted T shaped screw rod, studdle includes the first rectangular block, the second rectangular block and the 3rd cylindrical screw, the first rectangle
Block, the second rectangular block and the 3rd cylindrical screw are sequentially affixed from the bottom to top, and one end of the 3rd cylindrical screw is machined with boss, the 3rd
The second rectangular block that one end of cylindrical screw is provided with screw thread, studdle is arranged on the top of the inverted T-slot of lathe floral disc, first
The inverted T-slot of rectangular block and lathe floral disc is fitted close, and the first connecting plate and the second connecting plate are cuboid connecting plate, and first connects
The through hole of two laid out in parallel is respectively equipped with fishplate bar and the second connecting plate, inverted T shaped screw rod and studdle sequentially pass through first
The upper surface of the second rectangular block on through hole on connecting plate and the second connecting plate, the lower surface and studdle of the first connecting plate
Contact, the lower surface of the second connecting plate is contacted with the upper surface of the boss on studdle, and pad is cuboid pad, cuboid
Pad is provided with a manhole, and the manhole that pad is arranged on the upper end of the second connecting plate, pad is socketed in inverted T shaped
On screw rod, the first nut coordinates with studdle, and pressing plate is cuboid pressing plate, and the center of cuboid pressing plate leads to provided with one
Through hole on hole, pressing plate is socketed on inverted T shaped screw rod, and one end of pressing plate is overlapped on the first nut, and the pressing plate other end is overlapped on
On pipe fitting, the second nut driving coordinates on inverted T shaped screw rod and with the screw thread of the inverted T shaped screw rod other end.
Further, the both sides of the first nut are machined with two symmetrical pin side grooves.
Further, the through hole on pressing plate is waist through hole.
Further, the side of pressing plate is machined with circular arc groove, the outer wall cooperation of circular arc groove and pipe fitting.
Further, the first nut is cylindrical cover nut, and one end of cylindrical cover nut is threaded blind hole, first
Nut is coordinated by the screw thread of the 3rd cylindrical screw one end on tapped blind hole and studdle.
Further, it also includes packing ring, and packing ring is arranged between the second nut and pressing plate.
The present invention has the following effects that compared with prior art：
1st, support and the compression of pressing plate of the present invention by backing plate, limit the top tube in the vertical direction of pipe fitting
The free degree, the groove on pressing plate limits the free degree of the top tube of pipe fitting in radial directions, it is ensured that pipe fitting it is upper
The stability of portion's pipe fitting, it is to avoid pipe fitting comes off in process is blocked, it is ensured that the security of process.
2nd, the present invention is blocked pipe fitting by clamping pipe fitting twice, uses chip abrasive wheel cutting machine by hand without pincers worker by pipe fitting
Cut, improve the efficiency that pipe fitting blocks processing, save human cost and time cost, block processing efficiency and add 80%
More than, the process time of each pipe fitting has saved 10 more than hour.
3rd, harmful dust is produced present invention, avoiding the cutting of conventional method pincers worker long-time emery wheel, influences asking for health
Topic.The potential safety hazard of operating personnel is reduced, the working environment of workshop is effectively improved.
4th, the present invention is simple in construction, and part used can be processed by existing lathe, low manufacture cost, and operation
It is convenient, pipe fitting is fixed on lathe floral disc in radial directions by fixture, it is to avoid pipe fitting rotates at a high speed in lathe floral disc
When, the top tube after cut-out is in without clamped condition, and top tube, which can be got rid of, to be got off to injure personnel and lathe, is effectively guaranteed
Security.
5th, studdle 2 of the invention is connected by the first connecting plate 4 and the second connecting plate 5 with inverted T shaped screw rod 1, pad 6
It is socketed on inverted T shaped screw rod 1, prevents one of four pads from releasing (determine a plane) in process at 3 points, get rid of
Go out to hurt sb.'s feelings；The stability of inverted T shaped screw rod 1 and studdle 2 is effectively guaranteed, prevents pad 6 from being lost in dismounting or carrying.
Brief description of the drawings
Fig. 1 is the axis side view of the present invention；
Fig. 2 is sectional views of the Fig. 1 along A-A directions；
Fig. 3 is the structural representation of clamping pipe fitting 10 of the present invention；
Fig. 4 is the axle side schematic diagram of first time clamping processing；
Fig. 5 is the axle side schematic diagram of second of clamping processing.
Embodiment
Embodiment one：Illustrate present embodiment, a kind of million nuclear powers water of present embodiment with reference to Fig. 1 to Fig. 5
Room housing end pipe blocks processing clamping device, and it includes lathe floral disc 12 and four floral disc claws 11, four floral disc claws
11 are arranged on lathe floral disc 12 in the way of annular array, and it also includes multiple clamping elements, and multiple clamping elements are with annular array
Mode be arranged on lathe floral disc 12 on, each clamping element include inverted T shaped screw rod 1, studdle 2, the first nut 3, first connect
Fishplate bar 4, the second connecting plate 5, pad 6, the nut 9 of pressing plate 7 and second, inverted T shaped screw rod 1 are vertically arranged, and inverted T shaped screw rod 1 includes the
One support column 1-1 and second cylindrical screw rod 1-2, the second cylindrical screw rod 1-2 one end and the first support column 1-1 is affixed, the
The two cylindrical screw 1-2 other end is threaded, and the second cylindrical screw 1-2 of the inverted T shaped lower end of screw rod 1 is inserted into lathe floral disc
In inverted T-slot on 12, studdle 2 be arranged in parallel with inverted T shaped screw rod 1, and studdle 2 includes the first rectangular block 2-1, the second square
Shape block 2-2 and the 3rd cylindrical screw 2-3, the first rectangular block 2-1, the second rectangular block 2-2 and the 3rd cylindrical screw 2-3 are from the bottom to top
Sequentially affixed, the 3rd cylindrical screw 2-3 one end is machined with boss, and the 3rd cylindrical screw 2-3 one end is provided with screw thread, supports spiral shell
The second rectangular block 2-2 on bar 2 is arranged on the top of the inverted T-slot of lathe floral disc 12, the first rectangular block 2-1 and lathe floral disc 12
Inverted T-slot is fitted close, and the first connecting plate 4 and the second connecting plate 5 are cuboid connecting plate, the first connecting plate 4 and the second connection
The through hole of two laid out in parallel is respectively equipped with plate 5, inverted T shaped screw rod 1 and studdle 2 sequentially pass through the first connecting plate 4 and
Through hole on two connecting plates 5, the lower surface of the first connecting plate 4 and the upper surface of the second rectangular block 2-2 on studdle 2 connect
Touch, the lower surface of the second connecting plate 5 is contacted with the upper surface of the boss on studdle 2, pad 6 is cuboid pad, rectangular
Body pad is provided with a manhole, and the manhole that pad 6 is arranged on the upper end of the second connecting plate 5, pad 6 is socketed in
On inverted T shaped screw rod 1, the first nut 3 is cylindrical cover nut, and one end of cylindrical cover nut is threaded blind hole 3-1, first
Nut 3 is coordinated by the screw thread of the 3rd cylindrical screw 2-3 one end on tapped blind hole 3-1 and studdle 2, and pressing plate 7 is rectangular
Body pressing plate, the through hole 7-2 that the center of cuboid pressing plate is provided with a through hole 7-2, pressing plate 7 is socketed in inverted T shaped screw rod 1
On, one end of pressing plate 7 is overlapped on the first nut 3, and the other end of pressing plate 7 is overlapped on pipe fitting, and the second nut 9 is screwed in inverted T shaped
Coordinate on screw rod 1 and with the screw thread of the inverted T shaped other end of screw rod 1.Embodiment two：Illustrate this embodiment party with reference to Fig. 1 and Fig. 2
Formula, the both sides of the first nut 3 of present embodiment are machined with two symmetrical pin side groove 3-2.It is arranged such, convenient use
Spanner screws the first nut 3.Other compositions and annexation are identical with embodiment one.
Embodiment three：Illustrate the through hole 7- on present embodiment, the pressing plate 7 of present embodiment with reference to Fig. 1 and Fig. 2
2 be waist through hole.It is arranged such, the position of the convenient inverted T shaped screw rod of regulation of the waist through hole on pressing plate 7 facilitates inverted T shaped screw rod
Dismounting.Other compositions and annexation are identical with embodiment one or two.
Embodiment four：Illustrate present embodiment, the side of the pressing plate 7 of present embodiment with reference to Fig. 1, Fig. 2 and Fig. 5
The outer wall for being machined with circular arc groove 7-1, circular arc groove 7-1 and pipe fitting 10 coordinates.It is arranged such, the circular arc groove 7-1 limits of pressing plate 7
Made the free degree of the pipe fitting in radial direction, it is ensured that pipe fitting block after stability, prevent pipe fitting from coming off, it is ensured that pipe fitting adds
The security of work process.Other compositions and annexation are identical with embodiment one, two or three.
Embodiment five：Illustrate present embodiment with reference to Fig. 2, the first nut 3 of present embodiment is cylindrical cover
Nut, one end of cylindrical cover nut is threaded blind hole 3-1, and the first nut 3 passes through tapped blind hole 3-1 and studdle 2
On the 3rd cylindrical screw 2-3 one end screw thread coordinate.It is arranged such, screws the first nut 3 and then adjust the height of studdle 2
Degree, the upper end of the first nut 3 supports one end of pressing plate 7 so that the circular arc groove 7-1 of the other end of pressing plate 7 matches somebody with somebody with pipe fitting upper end
Close.Other compositions and annexation are identical with embodiment one, two, three or four.
Embodiment six：Illustrate present embodiment with reference to Fig. 2 and Fig. 5, present embodiment also includes packing ring 8, packing ring 8
It is arranged between the second nut 9 and pressing plate 7.It is arranged such, packing ring 8 is compressed pressing plate 7 by the second nut 9, and packing ring 8 can have
Pressing plate 7 is protected not to be damaged in effect ground.Other compositions and annexation are identical with embodiment one, two, three, four or five.
Operation principle：
Illustrate the operation principle of the present invention with reference to Fig. 1 to Fig. 5：
Pipe fitting 10 is arranged on lathe floral disc 12 first, pressed from both sides for symmetrical 4 points at the endoporus of pipe fitting 10 using multiple clamping elements
Tightly, pipe fitting 10 is fastened；Pipe fitting 10 is cut out to depth 36mm or so annular groove with parting-off tool, wall thickness 10mm is left；By inverted T shaped spiral shell
In inverted T-slot on the insertion lathe of bar 1 floral disc 12, the first rectangular block 2-1 on studdle 2 is placed on lathe floral disc 12
Inverted T-slot top, the first rectangular block 2-1 is fitted close with inverted T-slot, and the through hole on the first connecting plate 4 and the second connecting plate 5 is through
T-shaped screw rod 1 and studdle 2, the first connecting plate 4 and the second connecting plate 5 connect screw rod 1 and screw rod 2 in different height, will pad
Piece 6 penetrates inverted T shaped screw rod 1, and the width of annular groove of the thickness of pad 6 with being processed on pipe fitting 10 is equal, mobile inverted T shaped screw rod 1
With the position of studdle 2；
Pad 6 is filled in the machined annular groove of pipe fitting 10 again, the annular groove on pad 6 and pipe fitting 10 is fitted close, the
One nut 3 is screwed into the adjustment height of studdle 2, and the height of the first nut 3 is equal to the height of pipe fitting 10, pressing plate 7 is passed through inverted T shaped
Screw rod 1, one end of pressing plate 7 is ridden on the first nut 3 above screw rod 2, and the other end of pressing plate 7 is pressed on pipe fitting 10, on pressing plate 7
Groove 7-1 and the outer wall of pipe fitting 10 coordinate the horizontal free degree of the limitation tube wall of pipe fitting 10, packing ring 8 is inserted in inverted T shaped screw rod 1, will
Second nut 9 is screwed into inverted T shaped screw rod 1, is exerted oneself to tighten with spanner, and the clamping platen 7 of the second nut 9 causes pipe fitting is in clamp shape
State, according to said method using four holders in 10 symmetrical four points of clamping pipe fittings 10 of pipe fitting,
Finally, lathe is started, from the inner side of pipe fitting 10 position corresponding with outside annular groove away from end face 150mm length, with cutting
Disconnected lathe tool is cut pipe fitting 10, untill pipe fitting 10 is cut off.
Two sections of pipe fittings after cut-out are limited top tube and existed due to the compression of the support by pad 6, and pressing plate 7
The free degree of vertical direction, the groove 7-1 of pressing plate 7 limits the free degree of the top tube in radial direction.
This invention ensures that the stability of top tube, prevents pipe fitting in process, top tube comes off, processing effect
Rate is improved more than 10 hours, and ensure that the security of process.
Claims (6)
1. a kind of million nuclear powers hydroecium shell end pipe blocks processing clamping device, it includes lathe floral disc (12) and four flowers
Disk claw (11), four floral disc claws (11) are arranged on lathe floral disc (12) in the way of annular array, it is characterised in that：It
Also include multiple clamping elements, multiple clamping elements are arranged on lathe floral disc (12) in the way of annular array, each clamping element bag
Include inverted T shaped screw rod (1), studdle (2), the first nut (3), the first connecting plate (4), the second connecting plate (5), pad (6), pressure
Plate (7) and the second nut (9), inverted T shaped screw rod (1) are vertically arranged, and inverted T shaped screw rod (1) includes the first support column (1-1) and second
Cylindrical screw rod (1-2), one end of the second cylindrical screw rod (1-2) and the first support column (1-1) are affixed, the second cylindrical screw
The other end of (1-2) is threaded, and the second cylindrical screw (1-2) of inverted T shaped screw rod (1) lower end is inserted into lathe floral disc (12)
On inverted T-slot in, studdle (2) be arranged in parallel with inverted T shaped screw rod (1), studdle (2) include the first rectangular block (2-1),
Second rectangular block (2-2) and the 3rd cylindrical screw (2-3), the first rectangular block (2-1), the second rectangular block (2-2) and the 3rd cylinder
Screw rod (2-3) is sequentially affixed from the bottom to top, and one end of the 3rd cylindrical screw (2-3) is machined with boss, the 3rd cylindrical screw (2-3)
One end be provided with screw thread, the second rectangular block (2-2) on studdle (2) is arranged on the top of the inverted T-slot of lathe floral disc (12),
The inverted T-slot of first rectangular block (2-1) and lathe floral disc (12) is fitted close, and the first connecting plate (4) and the second connecting plate (5) are
The through hole of two laid out in parallel, inverted T shaped spiral shell are respectively equipped with cuboid connecting plate, the first connecting plate (4) and the second connecting plate (5)
Bar (1) and studdle (2) sequentially pass through the through hole on the first connecting plate (4) and the second connecting plate (5), the first connecting plate (4)
Lower surface contacted with the upper surface of the second rectangular block (2-2) on studdle (2), the lower surface of the second connecting plate (5) with
The upper surface contact of boss on studdle (2), pad (6) is cuboid pad, and cuboid pad is provided with a circle
Through hole, the manhole that pad (6) is arranged on the upper end of the second connecting plate (5), pad (6) is socketed in inverted T shaped screw rod (1)
On, the first nut (3) coordinates with studdle (2), and pressing plate (7) is cuboid pressing plate, and the center of cuboid pressing plate is provided with
Through hole (7-2) on one through hole (7-2), pressing plate (7) is socketed on inverted T shaped screw rod (1), and one end of pressing plate (7) is overlapped on
On one nut (3), pressing plate (7) other end is overlapped on pipe fitting, the second nut (9) be screwed on inverted T shaped screw rod (1) and with T
The screw thread of type screw rod (1) other end coordinates.
2. a kind of million nuclear powers hydroecium shell end pipe according to claim 1 blocks processing clamping device, its feature
It is：The both sides of first nut (3) are machined with two symmetrical pin side grooves (3-2).
3. a kind of million nuclear powers hydroecium shell end pipe according to claim 2 blocks processing clamping device, its feature
It is：Through hole (7-2) on pressing plate (7) is waist through hole.
4. a kind of million nuclear powers hydroecium shell end pipe according to claim 3 blocks processing clamping device, its feature
It is：The side of pressing plate (7) is machined with circular arc groove (7-1), and the outer wall of circular arc groove (7-1) and pipe fitting (10) coordinates.
5. a kind of million nuclear powers hydroecium shell end pipe according to claim 1 or 4 blocks processing clamping device, it is special
Levy and be：First nut (3) is cylindrical cover nut, and one end of cylindrical cover nut is threaded blind hole (3-1), the first spiral shell
Female (3) are coordinated by the screw thread of the 3rd cylindrical screw (2-3) one end on tapped blind hole (3-1) and studdle (2).
6. a kind of million nuclear powers hydroecium shell end pipe according to claim 1 blocks processing clamping device, its feature
It is：It also includes packing ring (8), and packing ring (8) is arranged between the second nut (9) and pressing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282666.4A CN107030500B (en) | 2017-04-26 | 2017-04-26 | Clamping device for cutting end pipe of million-nuclear power water chamber shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710282666.4A CN107030500B (en) | 2017-04-26 | 2017-04-26 | Clamping device for cutting end pipe of million-nuclear power water chamber shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107030500A true CN107030500A (en) | 2017-08-11 |
| CN107030500B CN107030500B (en) | 2023-04-21 |
Family
ID=59536124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710282666.4A Active CN107030500B (en) | 2017-04-26 | 2017-04-26 | Clamping device for cutting end pipe of million-nuclear power water chamber shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107030500B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110329783A (en) * | 2019-07-22 | 2019-10-15 | 深圳市华星光电半导体显示技术有限公司 | A kind of transport mechanism |
| CN112846831A (en) * | 2020-12-29 | 2021-05-28 | 中钢集团邢台机械轧辊有限公司 | Ring supporting device and ring removing method for removing rings from hole end of large barrel |
| CN113275926A (en) * | 2021-06-17 | 2021-08-20 | 哈尔滨汽轮机厂有限责任公司 | Tool for machining oil injection ring and method for machining oil injection ring by using tool |
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| CN110329783A (en) * | 2019-07-22 | 2019-10-15 | 深圳市华星光电半导体显示技术有限公司 | A kind of transport mechanism |
| CN112846831A (en) * | 2020-12-29 | 2021-05-28 | 中钢集团邢台机械轧辊有限公司 | Ring supporting device and ring removing method for removing rings from hole end of large barrel |
| CN113275926A (en) * | 2021-06-17 | 2021-08-20 | 哈尔滨汽轮机厂有限责任公司 | Tool for machining oil injection ring and method for machining oil injection ring by using tool |
| CN113275926B (en) * | 2021-06-17 | 2022-08-23 | 哈尔滨汽轮机厂有限责任公司 | Tool for machining oil injection ring and method for machining oil injection ring by using tool |
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| CN107030500B (en) | 2023-04-21 |
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