CN208960725U - For producing the tooling of nuclear power safety injection tank end socket - Google Patents
For producing the tooling of nuclear power safety injection tank end socket Download PDFInfo
- Publication number
- CN208960725U CN208960725U CN201821600507.0U CN201821600507U CN208960725U CN 208960725 U CN208960725 U CN 208960725U CN 201821600507 U CN201821600507 U CN 201821600507U CN 208960725 U CN208960725 U CN 208960725U
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- Prior art keywords
- end socket
- tooling
- lower die
- water cooling
- plectane
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- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 11
- 239000003351 stiffener Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000010586 diagram Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
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Abstract
The utility model discloses the toolings for producing nuclear power safety injection tank end socket, it include: pressing tool and heat treatment tooling, pressing tool includes: upper die and lower die, blank holder, lower die support, at least four centering positioning tools, and each centering positioning tool includes: the mounting plate being fixed in lower die, a fixing seat, a sliding seat；Heat treatment tooling includes: end socket water cooling exhaust tooling and anti-deformation tool, end socket water cooling includes: the bearing frame being spliced by bearing tube with exhaust tooling, bearing frame is equipped with exhaust pipe, exhaust pipe is made of the first vertical segment, the second vertical segment, the intermediate pipeline section between the first, second vertical segment, and intermediate pipeline section is equipped with drainage hole；Anti-deformation tool includes: ringlike round plate, and the lower surface of ringlike round plate is equipped with two circle ring stiffeners, is equipped with stiffening plate between two circle ring stiffeners.Above-mentioned tooling can fast and accurately position plectane, can improve production efficiency, reduce production cost, can prevent end socket from deforming.
Description
Technical field
The utility model relates to end socket fabricating tools fields, and in particular to for producing the work of nuclear power safety injection tank end socket
Dress.
Background technique
Safety injection tank is a kind of nuclear power generating equipment, and the size of safety injection tank end socket requires very high, existing end socket production tooling use
More simple and crude tool positions the plectane of manufacture end socket, so that plectane and lower die can not be coaxial well, is made in this way
End socket be just unable to reach as defined in size requirement, and existing end socket production tooling to plectane positioning get up it is slow, this
The temperature of sample plectane will decline very much, will miss the optimal press temperature of plectane, can also generate in this way to the size of end socket
Adverse effect；In addition, welded on end socket when existing end socket production tooling generallys use water cooling one can make end socket inner cavity and
The exhaust pipe that outside atmosphere is connected is cut after water cooling by the exhaust pipe on end socket come the air that is discharged in end socket inner cavity
Under, the air in safety injection tank end socket inner cavity is discharged by the way of welding exhaust pipe, on the one hand can waste time and manually, it is another
Aspect can waste tubing, to will increase production cost and reduce production efficiency；In addition, existing end socket production tooling is in Re Chu
Also it can not prevent end socket from deforming well when reason.
Utility model content
The technical problem to be solved by the utility model is to will provide it is a kind of can fast and accurately position plectane make plectane with
Lower die is coaxial, deform when improving production efficiency, reducing production cost, end socket is prevented to be heat-treated for producing nuclear power safety injection tank
The tooling of end socket.
To solve the above-mentioned problems, the technology employed by the present utility model is being sealed for producing nuclear power with safety injection tank
Head tooling, comprising: pressing tool and heat treatment tooling, it is characterised in that: pressing tool include: upper die and lower die, blank holder,
Lower die support, at least four are installed in lower die makes plectane position work with the coaxial centering of lower die for carrying out positioning to plectane
Dress, each centering positioning tool includes: the mounting plate being fixed on lower die lateral surface, a fixing seat, an activity
Seat, the adjustable interior external position of fixing seat are fixed on mounting plate, and fixing seat is used for after being fixed on mounting plate for being placed in down
Sliding seat on mould is against sliding seat can position plectane after leaning with fixing seat, be provided on the inside of sliding seat
To the positioning surface that plectane is positioned and it can be located at the upper of positioning surface to the guiding surface that plectane is oriented to, guiding surface
Side；Heat treatment tooling includes: end socket water cooling exhaust tooling and anti-deformation tool, the structure packet of end socket water cooling exhaust tooling
Include: the bearing frame that can be floated on the water surface being spliced by hollow bearing tube, when end socket water cooling, can withhold on bearing frame
And with bearing frame together submerged, it is provided with exhaust pipe on bearing frame, air energy when end socket water cooling in end socket inner cavity
Be discharged by exhaust pipe, exhaust pipe by when end socket water cooling be inserted into end socket inner cavity in the first vertical segment, end socket water cooling when be located at envelope
The second vertical segment on the outside of head inner cavity, the intermediate pipeline section composition between the first vertical segment and the second vertical segment, the first vertical tube
The height of Duan Dingduan need to meet the vertical distance in end socket water cooling between the vertex of end socket inner cavity no more than 10cm, the second vertical tube
The height of Duan Dingduan need to meet in end socket water cooling not less than end socket vertex, be provided on intermediate pipeline section can be by end socket water cooling when
Pour into the drainage hole of the water discharge in exhaust pipe；The structure of anti-deformation tool includes: ringlike round plate, in the lower surface of ringlike round plate
On be provided with the ring stiffener that two circles are arranged along ringlike round plate, two circle ring stiffeners between be provided with stiffening plate.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: fixing seat and mounting plate are consolidated
Determine structure are as follows: be arranged on a mounting board there are two the long stripes through hole being arranged in parallel, there are two locks for setting in the bottom of fixing seat
Hole, two lockholes are corresponded with two long stripes through holes respectively, and two bolts are each passed through one group of corresponding lockhole and length
Fixing seat can be fixed on mounting plate by strip through-hole after mutually screwing with nut, and fixing seat can be by along two strips
Through-hole is mobile to adjust interior external position.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: lower die is by lower die holder and is used for
The lower die pull ring of formed head outer surface forms, and lower die pull ring is detachable and coaxial to be flush-mounted in lower die holder.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: in pressing tool further include:
For jacking up the liftout supporting tool of plectane.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: the structure of liftout supporting tool
Including: vertical steel pipe, is respectively welded one piece of end plate coaxial with steel pipe at the both ends of steel pipe, two end plates are horizontally disposed,
It is respectively welded four pieces of stiffener plates being evenly arranged between two end plates and steel pipe, lifting lug is also welded on steel pipe.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: bearing frame is cross frame.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: in four outer ends of bearing frame
On be provided with one can make when bearing frame is pressed into water bearing frame keep balance floating drum.
Further, it is previously described for the tooling of production nuclear power safety injection tank end socket, in which: the first vertical segment is at least by two
Root steel pipe is spliced by flange.
The advantages of the utility model are as follows: it is described in the utility model for produce the tooling of nuclear power safety injection tank end socket due to
Using centering positioning tool, keep plectane coaxial with lower die so as to accurately and rapidly position plectane；In addition, the presser
The benchmark that centering positioning can be become after fixing seat adjustment good position in dress, when producing various sizes of end socket, only needs to change
Corresponding sliding seat, so as to greatly save the artificial and time, greatly improves life due to no longer needing to go for positioning datum
Produce efficiency.The end socket water cooling exhaust tooling is easy to use not to be needed to be welded on end socket, and when water cooling need to only withhold end socket
In in tooling and with tooling once submerged；End socket water cooling terminates after hanging, and the tooling can float automatically, and from
The water in exhaust pipe is poured into when dynamic discharge water cooling；End socket water cooling exhaust tooling energy Reusability, and difference can be used for
The water cooling of specification end socket, so as to greatly improve production efficiency, reduce production cost；In addition, being preapred for an unfavorable turn of events using end socket to be welded in
After being heat-treated in shape tooling end socket can be unlikely to deform in heat treatment.To sum up, described in the utility model for producing
The tooling of nuclear power safety injection tank end socket can be used to produce the safety injection tank end socket that high size requires.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pressing tool described in the utility model.
Fig. 2 is the structural schematic diagram after centering positioning tool shown in Fig. 1 is split.
Fig. 3 is status architecture schematic diagram when upper mold prepares pressing plectane.
Fig. 4 is status architecture schematic diagram when plectane is pressed to form end socket.
Fig. 5 is the structural schematic diagram of heat treatment tooling described in the utility model.
Fig. 6 is the present invention looks up structural representation of Fig. 5.
Specific embodiment
The utility model is described in further detail with attached drawing combined with specific embodiments below.
For producing the tooling of nuclear power safety injection tank end socket, comprising: pressing tool and heat treatment tooling, institute as shown in Figure 1, Figure 2
Show, pressing tool include: upper mold 1, lower die 2, blank holder 3, lower die support 4, four are uniformly installed in lower die 2 for circle
Plate 93 carries out centering positioning tool 5, the liftout supporting tool 6 that positioning keeps plectane 93 coaxial with lower die 2, and usual lower die support 4 is
Four support columns being evenly arranged, each centering positioning tool 5 include: the mounting plate being welded on 2 lateral surface of lower die
51,52, sliding seat 53 of a fixing seat, the adjustable interior external position of fixing seat 52 are fixed on mounting plate 51, fixing seat
52 are fixed on mounting plate 51 afterwards for the sliding seat 53 for being placed in lower die 2 against sliding seat 53 offsets with fixing seat 52
Plectane 93 can be positioned rearward, being provided in the inside of sliding seat 53 can be to 531 He of positioning surface that plectane 93 is positioned
The top of positioning surface 531 can be located to the guiding surface 532 that plectane 93 is oriented to, guiding surface 532.
When work, upper mold 1 is installed on the upper mold connector 9 of hydraulic press, and blank holder 3 is installed on hydraulic press, lower die branch
Seat 4 is placed on the mobile working platform 92 of hydraulic press, and lower die 2 is placed on lower die support 4, adjusts the position of lower die 2, so that
Lower die 2 is coaxial with Shi Nengyu upper mold 1 is moved to below hydraulic press by mobile working platform 92, by each centering positioning tool
5 are installed in lower die 2, and adjust the interior external position of each fixing seat 52 so that each fixing seat 52 to 2 center of circle of lower die away from
From being equal, each fixing seat 52 for adjusting good position is fixed with corresponding 51 phase of mounting plate respectively, so that each fixing seat
52 become the benchmark of 93 centering of plectane positioning, then bear against each sliding seat 53 in the inside of corresponding fixing seat 52,
Liftout supporting tool 6 is placed on the backing-out punch 95 of mobile working platform 92, mobile working platform 92 is removed into hydraulic press
Lower section；As shown in Figure 3, Figure 4, the step of compacting is as follows: A. by the lifting of the plectane 93 of heating between each sliding seat 53, plectane
It will receive the guiding of the guiding surface 532 in each sliding seat 53 when 93 decline, then plectane 93 can be by each sliding seat 53
The positioning of positioning surface 531 to coaxial with lower die 2 in lower die 2；B. the backing-out punch 95 on mobile working platform 92 drives liftout support
Tooling 6 rises, so that the center that liftout supporting tool 6 peaks at plectane 93 jacks up plectane 93, then worker is by suspension hook from plectane
Removed on 93, suspension hook is removed rear liftout supporting tool 6 and is declined, plectane 93 can be positioned in lower die 2 by each sliding seat 53 again and
Lower die 2 is coaxial, and liftout supporting tool 6 is then moved away to the lower section of plectane 93；C. pass through mobile working platform 92 for lower die 2 and circle
Plate 93 is moved to the lower section of upper mold 1, so that upper mold 1, plectane 93, lower die 2 are coaxial, then by each sliding seat 53 from lower die 2
It removes, then blank holder 3 is pressed on plectane 93 by hydraulic press, and the backing-out punch 95 on mobile working platform 92 ejects, then oil pressure
Machine driving upper mold 1 decline plectane 93 is suppressed, plectane 93 it is downtrodden during can gradually be recessed downwards from middle part across
Lower die 2, the last meeting of plectane 93 is integrally through lower die 2 and is coated in upper mold 1 as an end socket 94；D. hydraulic press drives upper mold
1 rises with end socket 94, and as end socket 94 rises, the outer side edges edge of 94 port of end socket can offset with the lower edge of 2 inner ring of lower die
It leans on, end socket 94 is enabled to stop to be separated with upper mold 1 by lower die 2, backing-out punch can be fallen to after end socket 94 and the disengaging of upper mold 1
By the support of backing-out punch 95 on 95, then backing-out punch 95 declines, and is cooled down on mobile working platform so that end socket 94 is lain against.
Plectane 93 can quickly and accurately be positioned using above-mentioned centering positioning tool 5, enable plectane 93 fine with lower die 2
It is coaxial, so that plectane 93 can be suppressed in optimal temperature, and obtained true-to-size end socket；In addition, fixing seat
The benchmark that centering positioning can be become after 52 adjustment good positions, when producing various sizes of end socket, only needs to change corresponding work
Dynamic seat 53, so as to greatly save the artificial and time, greatly improves production efficiency due to no longer needing to go for positioning datum.
As shown in Figure 5, Figure 6, heat treatment tooling includes: end socket water cooling exhaust tooling and anti-deformation tool, end socket water cooling
Include: the bearing frame 811 that can be floated on the water surface being spliced by hollow bearing tube 81 with the structure of exhaust tooling, is holding
It is provided with two exhaust pipes 83 on weight frame 811, air when 94 water cooling of end socket in 94 inner cavity of end socket can pass through two exhaust pipes 83
Discharge, exhaust pipe 83 by when 94 water cooling of end socket be inserted into 94 inner cavity of end socket in the first vertical segment 831,94 water cooling of end socket when be located at envelope
The second vertical segment 833 on the outside of first 94 inner cavity, the intermediate pipeline section 832 between the first vertical segment 831 and the second vertical segment 833
Composition, the height on 831 top of the first vertical segment need to meet in 94 water cooling of end socket between 94 inner cavity vertex of end socket it is vertical away from
It is not more than 10cm from h, setting in this way is in order to the air in discharge 94 inner cavity of end socket as much as possible；Second vertical segment 833
The height on top need to meet in 94 water cooling of end socket not less than 94 vertex of end socket, and setting in this way second is erected when being vented in order to prevent
Pipeline section 833 is poured into and can not be vented by water；Be provided on intermediate pipeline section 832 can be by end socket water cooling when pour into exhaust pipe 83
The drainage hole 834 of water discharge；The structure of anti-deformation tool includes: ringlike round plate 85, is arranged on the lower surface of ringlike round plate 85
The ring stiffener 86 for having two circles to arrange along ringlike round plate 85 is provided with stiffening plate 87 between two circle ring stiffeners 86,
Two circle ring stiffener 86 of setting and stiffening plate 87 are for preventing 85 uplift and deformation of ringlike round plate.
Before heat treatment, end socket 94 after cooling lifting is gone mutually to weld with anti-deformation tool, is prevented by anti-deformation tool
Only end socket 94 is deformed in heat treatment, when welding, by end socket 94 withhold and it is coaxial be welded on the upper surface of ringlike round plate 85,
Gap between end socket 94 and ringlike round plate 85 cannot be all fully welded, and need to reserve the gap or hole that air in weld seam can be discharged
Hole, air can just be smoothly discharged in weld seam when being heat-treated in this way, so as to prevent the air spalling weld seam in weld seam；Heat treatment
When, the related anti-deformation tool of end socket 94 is lifted in heating furnace together and is heated；When water cooling, it is vented using end socket water cooling
End socket 94 is exhausted in tooling, and end socket 94 is inconjunction with anti-deformation tool and is withheld together on bearing frame 811 and with load-bearing
The submerged together of frame 811, the air in 94 inner cavity of end socket, which can enter in exhaust pipe 83, at this time is discharged 94 inner cavity of end socket, makes
Water energy enters in 94 inner cavity of end socket, until water covers the first vertical segment 831 of exhaust pipe 83, due to exhaust pipe 83 when exhaust
In air pressure it is higher, so water is not easy to enter in exhaust pipe 83 from drainage hole 834, be lifted when water cooling terminates end socket 94
Afterwards, bearing frame 811 can float on the surface of the water, and the water in exhaust pipe 83 can be discharged from drainage hole 834 at this time.
In the present embodiment, the fixed structure of fixing seat 52 and mounting plate 51 are as follows: there are two flat for setting on mounting plate 51
The long stripes through hole 511 of row arrangement, in the bottom of fixing seat 52, setting is there are two lockhole 521, two lockholes 521 respectively with two
Long stripes through hole 511 corresponds, and two bolts are each passed through one group of corresponding lockhole 521 and long stripes through hole 511 and spiral shell
Fixing seat 52 can be fixed on mounting plate 51 by parent phase after screwing, and fixing seat 52 can be by along two long stripes through holes
511 is mobile to adjust interior external position.
In the present embodiment, lower die pull ring 22 of the lower die 2 by lower die holder 21 and for formed head outer surface forms, lower die
Pull ring 22 is detachable and coaxial to be flush-mounted in lower die holder 21.Under only being needed to change after being arranged in this way when producing different size end sockets
Die drawing ring 22, no replacement is required lower die holder 21, so as to greatly save material, and since lower die holder 21 is not replaced, institute
Just do not changed with the positioning of lower die 2, so as to save again the time of centering positioning.
In the present embodiment, the structure of liftout supporting tool 6 includes: vertical steel pipe 61, is distinguished at the both ends of steel pipe 61
It is welded with one piece of end plate 62 coaxial with steel pipe 61, two end plates 62 are horizontally disposed, divide between two end plates 62 and steel pipe 61
It is not welded with four pieces of stiffener plates being evenly arranged 63, lifting lug 64 is also welded on steel pipe 61.
In the present embodiment, bearing frame 811 is cross frame.One is provided on four outer ends of bearing frame 811
Bearing frame 811 can be made to keep the floating drum 84 of balance when bearing frame 811 is pressed into water.It can make bearing frame 811 after being arranged in this way
More balance and stability.
In the present embodiment, the first vertical segment 831 is spliced by three steel pipes by flange.Setting is for side in this way
Just the height of the first vertical segment 831 is adjusted, to adapt to the end socket water cooling of different cavity heights.
Claims (8)
1. the tooling for producing nuclear power safety injection tank end socket, comprising: pressing tool and heat treatment tooling, it is characterised in that: pressure
Tooling processed include: upper die and lower die, blank holder, lower die support, at least four be installed in lower die for being positioned to plectane
The centering positioning tool for keeping plectane coaxial with lower die, each centering positioning tool include: one and are fixed on lower die lateral surface
Mounting plate, a fixing seat, a sliding seat, external position is fixed on mounting plate in fixing seat is adjustable, and fixing seat is solid
After on mounting plate for the sliding seat for being placed in lower die against, sliding seat and fixing seat lean after can to plectane into
Row positioning, being provided on the inside of sliding seat can be oblique to the positioning surface that plectane is positioned and the guiding that can be oriented to plectane
Face, guiding surface are located at the top of positioning surface；Heat treatment tooling includes: end socket water cooling exhaust tooling and anti-deformation tool, envelope
The structure of head water cooling exhaust tooling includes: the bearing frame that can be floated on the water surface being spliced by hollow bearing tube, envelope
It can withhold when head water cooling on bearing frame and with bearing frame together submerged, exhaust pipe, end socket are provided on bearing frame
Air when water cooling in end socket inner cavity can be discharged by exhaust pipe, exhaust pipe by when end socket water cooling be inserted into end socket inner cavity in first
The second vertical segment when vertical segment, end socket water cooling on the outside of end socket inner cavity, between the first vertical segment and the second vertical segment
Intermediate pipeline section composition, the height on the first vertical segment top need to meet vertical between the vertex of end socket inner cavity in end socket water cooling
Distance is not more than 10cm, and the height on the second vertical segment top need to meet in end socket water cooling not less than end socket vertex, in intermediate tube
The drainage hole of the water discharge poured into when can be by end socket water cooling in exhaust pipe is provided in section；The structure of anti-deformation tool includes: ring
Shape plectane is provided with the ring stiffener that two circles are arranged along ringlike round plate on the lower surface of ringlike round plate, in two ring shapes
Stiffening plate is provided between reinforcing rib.
2. according to claim 1 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: fixing seat and peace
The fixed structure of loading board are as follows: be arranged on a mounting board there are two the long stripes through hole being arranged in parallel, be arranged in the bottom of fixing seat
There are two lockhole, two lockholes are corresponded with two long stripes through holes respectively, two bolts be each passed through one group it is corresponding
Fixing seat can be fixed on mounting plate by lockhole and long stripes through hole after mutually screwing with nut, and fixing seat can be by along two
A long stripes through hole is mobile to adjust interior external position.
3. according to claim 1 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: lower die is by lower die
Seat and lower die pull ring for formed head outer surface form, lower die pull ring it is detachable and coaxial in lower die holder.
4. according to claim 1 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: in pressing tool
Further include: for jacking up the liftout supporting tool of plectane.
5. according to claim 4 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: liftout supports work
The structure of dress includes: vertical steel pipe, is respectively welded one piece of end plate coaxial with steel pipe, two end plates water at the both ends of steel pipe
Plain cloth is set, and four pieces of stiffener plates being evenly arranged are respectively welded between two end plates and steel pipe, are also welded on steel pipe
Lifting lug.
6. according to claim 1 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: bearing frame ten
Shaped frame.
7. according to claim 6 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: in bearing frame
The floating drum that bearing frame can be made to keep balance when bearing frame is pressed into water is provided on four outer ends.
8. according to claim 1 for producing the tooling of nuclear power safety injection tank end socket, it is characterised in that: the first vertical segment
At least it is spliced by two steel pipes by flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600507.0U CN208960725U (en) | 2018-09-29 | 2018-09-29 | For producing the tooling of nuclear power safety injection tank end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600507.0U CN208960725U (en) | 2018-09-29 | 2018-09-29 | For producing the tooling of nuclear power safety injection tank end socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208960725U true CN208960725U (en) | 2019-06-11 |
Family
ID=66756710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600507.0U Withdrawn - After Issue CN208960725U (en) | 2018-09-29 | 2018-09-29 | For producing the tooling of nuclear power safety injection tank end socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208960725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226414A (en) * | 2018-09-29 | 2019-01-18 | 张化机（苏州）重装有限公司 | For producing the tooling of nuclear power safety injection tank end socket |
-
2018
- 2018-09-29 CN CN201821600507.0U patent/CN208960725U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226414A (en) * | 2018-09-29 | 2019-01-18 | 张化机（苏州）重装有限公司 | For producing the tooling of nuclear power safety injection tank end socket |
| CN109226414B (en) * | 2018-09-29 | 2024-04-12 | 张化机（苏州）重装有限公司 | Tool for producing safety injection box seal head for nuclear power |
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Granted publication date: 20190611 Effective date of abandoning: 20240412 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240412 |