CN107999982A - Drive tube socket penetration piece welding anti-deformation water device for cooling and its application method - Google Patents
Drive tube socket penetration piece welding anti-deformation water device for cooling and its application method Download PDFInfo
- Publication number
- CN107999982A CN107999982A CN201711310224.2A CN201711310224A CN107999982A CN 107999982 A CN107999982 A CN 107999982A CN 201711310224 A CN201711310224 A CN 201711310224A CN 107999982 A CN107999982 A CN 107999982A
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- water
- cooling
- plug
- tube socket
- mandrel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/003—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to controlling of welding distortion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses one kind driving tube socket penetration piece welding anti-deformation water device for cooling and its application method, including：Rigid constraint mechanism, magnetism servo-electric motor water-cooling and circulating cooling water tank；The magnetism servo-electric motor water-cooling includes：Water supply hose, Return water hoses, quick coupling, lower sealing-plug, fanning strip spacing ring, rotation stop pin, return duct and upper sealing-plug；The upper sealing-plug and lower sealing-plug are respectively arranged at the upper and lower ends of driving tube socket cavity, are provided with through hole on the axis of the lower sealing-plug, the upper end of the lower sealing-plug through hole is provided with return duct, and lower end is provided with Return water hoses.Driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, rigid constraint mechanism and magnetism servo-electric motor water-cooling are installed on inside driving tube socket at the same time, water cooling anti-deformation is carried out at the same time rigid constraint is distortion-free, driving tube socket welding deformation can be controlled to greatest extent, this is that other devices are inaccessiable.
Description
Technical field
The present invention relates to a kind of Anti-deformation device for welding, is specifically a kind of control nuclear-power reactor pressure vessel cap assembly
The device and its application method of upper driving tube socket sealing weldering welding deformation.
Background technology
At present, the weld seam for driving tube socket sealing weldering J-type groove is load weld seam, and tube socket and top seal postwelding not into
Row heat treatment, postwelding have higher requirements the position degree of driving tube socket and head cover, therefore strictly to be controlled in driving welding process
Its welding deformation, makes welding deformation small as far as possible.
The measure of usually driving tube socket sealing weldering anti-welding deformation includes：
(1) high-temperature area or temperature gradient are reduced using water cooling plant inside driving tube socket, to reduce welding deformation.
(2) rigid structure device is installed inside driving tube socket, constrains welding deformation.
(3) it is rigidly fixed outside driving tube socket.
(4) in the application reversible deformation in the reverse direction of welding deformation.
Above method, which is used alone, to be tended not to weld industry within claimed range, it is necessary to which a variety of methods integrate
Use, increase labor intensity, reduce welding efficiency.Easily driving tube socket inner wall is caused to damage using internal rigid support, made
Fixed with external rigidity and influence welding operator and be subjected to, can not be welded using automatic welding method.
The content of the invention
According to technical problem set forth above, and provide a kind of driving tube socket penetration piece welding anti-deformation water device for cooling and its
Application method, for solving existing driving tube socket sealing weldering anti-welding deformation, is supported easily to driving tube using internal rigid
Seat inner wall causes to damage, and fixed using external rigidity influences welding operator again is subjected to, and can not use automatic welding side
The shortcomings that method is welded.The technological means that the present invention uses is as follows：
One kind driving tube socket penetration piece welding anti-deformation water device for cooling, including：Rigid constraint mechanism, magnetism servo-electric motor water-cooling and circulation
Cooling water tank；The magnetism servo-electric motor water-cooling includes：Water supply hose, Return water hoses, quick coupling, lower sealing-plug, fanning strip spacing ring, only
Ship and resell on another market, return duct and upper sealing-plug；The upper sealing-plug and lower sealing-plug are respectively arranged at up and down the two of driving tube socket cavity
Hold, be provided with through hole on the axis of the lower sealing-plug, the upper end of the lower sealing-plug through hole is provided with return duct, and lower end is set
It is equipped with Return water hoses；The upper surface of the lower sealing-plug is provided with rotation stop pin and fanning strip spacing ring, the lower sealing
The lower end of plug is provided with the water supply hose for conveying cooling water into driving tube socket cavity；The water supply hose and backwater is soft
The other end of pipe is connected with circulating cooling water tank.
The rigid constraint mechanism includes：Mandrel, fanning strip and protective case；The mandrel is equipped with groove, the fan
Shape piece is arranged among the groove of the mandrel, makes the groove and the wedge-shaped tension mechanism of fanning strip composition of the mandrel, institute
Protective case is stated on the outside of fanning strip；The upper sealing-plug that the rigid constraint mechanism is arranged in driving tube socket cavity is close with
Between blocking, and return duct is set to stretch into the mandrel of rigid constraint mechanism.
Set as the preferably described fanning strip lower end fluted.
The quick coupling being provided at both ends with for connection as the preferred water supply hose and Return water hoses.
A kind of application method using above-mentioned driving tube socket penetration piece welding anti-deformation water device for cooling, comprises the following steps：
When S1, installation, prepare installing mechanism, the installing mechanism includes：Thrust bearing, mandrel connecting rod, mandrel limit
Position ring, protective case spacing ring and spacing ring connecting rod, assembly wrench and assembly wrench spacing ring.
The lower end of the assembly wrench sequentially pass through assembly wrench spacing ring, mandrel spacing ring, protective case spacing ring and
The centre bore of thrust bearing is set, and the assembly wrench spacing ring and the spacing interannular of mandrel are supported by spacing ring connecting rod and connected
Connect, the assembly wrench lower end is equipped with screw thread.
The thrust bearing, be put into the groove on mandrel top by S11, and described mandrel connecting rod one end is limited through protective case
Position ring is connected with mandrel, and the other end is connected with mandrel spacing ring.
Magnetism servo-electric motor water-cooling, is passed through rigid constraint mechanism by S12, and assembly wrench lower end is spacing through mandrel spacing ring and protective case
Ring is threadedly coupled with the top of return duct, and the assembly wrench upper end passes through assembly wrench spacing ring.
S13, the threaded connection length by adjusting assembly wrench and return duct, the outside diameter for adjusting rigid constraint mechanism are less than
Drive the cavity internal diameter of tube socket.
Rigid constraint mechanism, be put into togerther in driving tube socket by S14 together with magnetism servo-electric motor water-cooling, and rotation installation wrench, swelling is firm
Property constraint mechanism.
S15, disassemble assembly wrench, disassembles mandrel connecting rod, so that installing mechanism be removed.
S16, install the inner cavity top that sealing-plug enters driving tube socket, connects circulating cooling water tank.
When S17, welding, cooling water is entered in driving tube socket cavity by the water inlet of lower sealing-plug by water supply hose, cold
But water rises in the cavity, and after covering the water return outlet on return duct top, it is cold to flow back to circulation by return duct and Return water hoses
But water tank, achievees the purpose that welding cooling.
When S2, dismounting, prepare disassembly mechanism, the disassembly mechanism includes：Support tube, trapezoidal screw and screw lifting
Machine.
The support tube upper end is provided with screw lift, and the trapezoidal screw is arranged in the support tube
Chamber, and the trapezoidal screw is lifted under the control of screw lift.
S21, by the upper sealing-plug from driving tube socket cavity in take out, by the support tube be put into driving tube socket chamber
In vivo, trapezoidal screw lower end minor thread is connected with return duct upper end internal thread, by the major thread and mandrel of trapezoidal screw lower end
Upper end internal thread connection.
Trapezoidal screw, be lifted up by screw lift by S22, so that the tension force of rigid constraint mechanism is fallen in relaxation,
Finally rigid constraint mechanism and magnetism servo-electric motor water-cooling are taken out together.
Compared with prior art, driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its use
Method, has the following advantages：
1st, driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, while will rigidity
Constraint mechanism and magnetism servo-electric motor water-cooling are installed on inside driving tube socket, are carried out at the same time water cooling anti-deformation, energy rigid constraint is distortion-free
Enough driving tube socket welding deformations of control to greatest extent, this is that other devices are inaccessiable.
2nd, driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, pass through fitting machine
Structure can be once by rigid constraint mechanism and magnetism servo-electric motor water-cooling at the same time installed in driving inside tube socket, and installation is simple, and labor intensity is low.
3rd, driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, rigid constraint machine
Structure, the groove of the mandrel and the wedge-shaped tension mechanism of fanning strip composition, will not damage driving tube socket inner wall, this is in other
Portion's rigid constraint device is unavoidable, solves other internal rigid restraint devices and causes damage to lack driving tube socket inner wall
Point.
5th, driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, pass through fitting machine
Structure can adjust the diameter of rigid constraint mechanism, so that rigid constraint mechanism is easily installed in inside driving tube socket, this
It is that other technologies are unable to reach.
Brief description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the schematic diagram of rigid constraint mechanism of the present invention.
Fig. 2 is the schematic diagram of magnetism servo-electric motor water-cooling of the present invention.
Fig. 3 is the schematic diagram of installing mechanism of the present invention.
Fig. 4 is the schematic diagram of disassembly mechanism of the present invention.
Fig. 5 is scheme of installation of the present invention.
Fig. 6 is the present invention after installation is complete, proceeds by schematic diagram during welding.
Fig. 7 is present invention dismounting schematic diagram.
Wherein：1st, mandrel, 2, fanning strip, 3, protective case, 4, water supply hose, 5, Return water hoses, 6, quick coupling, 7, rotation stop
Pin, 8, upper sealing-plug, 9, return duct, 10, fanning strip spacing ring, 11, lower sealing-plug, 12, thrust bearing, 13, protective case it is spacing
Ring, 14, mandrel connecting rod, 15, mandrel spacing ring, 16, assembly wrench, 17, assembly wrench spacing ring, 18, spacing ring connecting rod,
19th, support tube, 20, screw lift, 21, trapezoidal screw；
A is circulating cooling water tank.
Embodiment
As shown in Fig. 1 to Fig. 7, one kind driving tube socket penetration piece welding anti-deformation water device for cooling, including：Rigid constraint machine
Structure, magnetism servo-electric motor water-cooling and circulating cooling water tank；The magnetism servo-electric motor water-cooling includes：Water supply hose 4, Return water hoses 5, quick coupling 6, under it is close
Blocking 11, fanning strip spacing ring 10, rotation stop pin 7, return duct 9 and upper sealing-plug 8；The upper sealing-plug 8 and lower sealing-plug 11
The upper and lower ends of driving tube socket cavity are respectively arranged at, through hole is provided with the axis of the lower sealing-plug 11, it is close under described
The upper end of 11 through hole of blocking is provided with return duct 9, and lower end is provided with Return water hoses 5；The upper surface of the lower sealing-plug 11 is set
There are rotation stop pin 7 and fanning strip spacing ring 10, the lower end of the lower sealing-plug 11, which is provided with, to be used for driving tube socket cavity
The water supply hose 4 of interior conveying cooling water；The water supply hose 4 and the other end of Return water hoses 5 are connected with circulating cooling water tank.
The quick coupling 6 being provided at both ends with for connection of the water supply hose 4 and Return water hoses 5.The water supply hose 4
It is connected between the through hole on lower sealing-plug 11 by quick coupling 6, Return water hoses 5 pass through quick coupling 6 and lower sealing-plug 11
Through hole connection on axis, return duct 9 is connected with the through hole on lower 11 axis of sealing-plug, so as to be connected with Return water hoses 5.
As shown in Figure 1, the rigid constraint mechanism includes：Mandrel 1, fanning strip 2 and protective case 3；Set on the mandrel 1
Fluted, the fanning strip 2 is arranged among the groove of the mandrel, and the groove and the fanning strip 2 for making the mandrel 1 form
Wedge-shaped tension mechanism, the protective case 3 are arranged on the outside of fanning strip 2；The rigid constraint mechanism is arranged at driving tube socket cavity
Between interior upper sealing-plug 8 and lower sealing-plug 11, and return duct 9 is set to stretch into the mandrel 1 of rigid constraint mechanism.The rigidity
Constraint mechanism is mainly used for preventing driving tube socket deformation.2 lower end of fanning strip sets fluted.
As shown in the figure, a kind of application method using above-mentioned driving tube socket penetration piece welding anti-deformation water device for cooling, bag
Include following steps：
When S1, installation, prepare installing mechanism, as shown in figure 3, the installing mechanism includes：Thrust bearing 12, mandrel connect
Extension bar 14, mandrel spacing ring 15, protective case spacing ring 13 and spacing ring connecting rod 18, assembly wrench 16 and assembly wrench spacing ring
17。
The lower end of the assembly wrench 16 sequentially passes through assembly wrench spacing ring 17, mandrel spacing ring 15, protective case limit
The centre bore of position ring 13 and thrust bearing 12 is set, by spacing between the assembly wrench spacing ring 17 and mandrel spacing ring 15
The support connection of ring connecting rod 18,16 lower end of assembly wrench is equipped with screw thread.
S11, as shown in figure 5, the thrust bearing 12 is put into the groove on 1 top of mandrel, the mandrel connecting rod 14
One end is connected through protective case spacing ring 13 with mandrel 1, and the other end is connected with mandrel spacing ring 15.
Magnetism servo-electric motor water-cooling, is passed through rigid constraint mechanism by S12, and 16 lower end of assembly wrench passes through mandrel spacing ring 15 and protective case
Spacing ring 13 is threadedly coupled with the top of return duct 9, and 16 upper end of assembly wrench passes through assembly wrench spacing ring 17.
S13, the threaded connection length by adjusting assembly wrench 16 and return duct 9, adjust the outside diameter of rigid constraint mechanism
Less than the cavity internal diameter of driving tube socket.
S14, by rigid constraint mechanism together with magnetism servo-electric motor water-cooling be put into togerther driving tube socket in, rotation installation wrench 16, swelling
Rigid constraint mechanism.
S15, disassemble assembly wrench 16, disassembles mandrel connecting rod 14, so that installing mechanism be removed.
S16, as shown in fig. 6, install sealing-plug 8 enter driving tube socket inner cavity top, connect circulating cooling water tank.
When S17, welding, cooling water enters driving tube socket cavity by water supply hose 4 by the water inlet of lower sealing-plug 11
Interior, cooling water rises in the cavity, after covering the water return outlet on 9 top of return duct, is flowed by return duct 9 and Return water hoses 5
Circulating cooling water tank is returned, achievees the purpose that welding cooling.
When S2, dismounting, prepare disassembly mechanism, as shown in figure 4, the disassembly mechanism includes：Support tube 19, trapezoidal screw
21 and screw lift 20.
19 upper end of support tube is provided with screw lift 20, and the trapezoidal screw 21 is arranged at the support
19 inner cavities of cylinder, and the trapezoidal screw 21 is lifted under the control of screw lift 20.
S21, as shown in fig. 7, by the upper sealing-plug 8 from driving tube socket cavity in take out, the support tube 19 is put
Enter to drive in the cavity of tube socket, 21 lower end minor thread of trapezoidal screw is connected with 9 upper end internal thread of return duct, by trapezoidal screw 21
The major thread of lower end is connected with 1 upper end internal thread of mandrel.
Trapezoidal screw 21, be lifted up by screw lift 20 by S22, so that the swelling of rigid constraint mechanism is fallen in relaxation
Power, finally takes out rigid constraint mechanism and magnetism servo-electric motor water-cooling together.
Driving tube socket penetration piece welding anti-deformation water device for cooling of the present invention and its application method, during installation, installation
Mechanism is connected with magnetism servo-electric motor water-cooling and rigid constraint mechanism, and rigid constraint mechanism and magnetism servo-electric motor water-cooling are installed on and driven at the same time by installing mechanism
Inside dynamic tube socket, installing mechanism is removed after installation is complete, magnetism servo-electric motor water-cooling is connected with circulating cooling water tank, is welded, welded
Cheng Hou, disassembly mechanism are connected with rigid constraint mechanism and magnetism servo-electric motor water-cooling, by rigid constraint mechanism and magnetism servo-electric motor water-cooling from driving tube socket
Inside is taken out together, is solved deficiency and defect present in existing driving tube socket welding anti-deformation technology, is made its elimination existing
The drawbacks of technology, can effectively control welding and reduce the welding deformation of driving tube socket, reduce labor intensity, improve efficiency.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. one kind driving tube socket penetration piece welding anti-deformation water device for cooling, it is characterised in that including：Rigid constraint mechanism, water cooling unit
Structure and circulating cooling water tank；
The magnetism servo-electric motor water-cooling includes：Water supply hose, Return water hoses, quick coupling, lower sealing-plug, fanning strip spacing ring, rotation stop pin,
Return duct and upper sealing-plug；
The upper sealing-plug and lower sealing-plug are respectively arranged at the upper and lower ends of driving tube socket cavity, the lower sealing-plug
Through hole is provided with axis, the upper end of the lower sealing-plug through hole is provided with return duct, and lower end is provided with Return water hoses；
The upper surface of the lower sealing-plug is provided with rotation stop pin and fanning strip spacing ring, and the lower end of the lower sealing-plug is set
It is equipped with the water supply hose for conveying cooling water into driving tube socket cavity；
The water supply hose and the other end of Return water hoses are connected with circulating cooling water tank；
The rigid constraint mechanism includes：Mandrel, fanning strip and protective case；
The mandrel is equipped with groove, and the fanning strip is arranged among the groove of the mandrel, makes the groove of the mandrel
Wedge-shaped tension mechanism is formed with the fanning strip, the protective case is arranged on the outside of fanning strip；
The rigid constraint mechanism is arranged between the upper sealing-plug in driving tube socket cavity and lower sealing-plug, and makes reflux
Pipe is stretched into the mandrel of rigid constraint mechanism.
2. driving tube socket penetration piece welding anti-deformation water device for cooling according to claim 1, it is characterised in that：
The fanning strip lower end sets fluted.
3. driving tube socket penetration piece welding anti-deformation water device for cooling according to claim 1, it is characterised in that：
The quick coupling being provided at both ends with for connection of the water supply hose and Return water hoses.
4. a kind of driving tube socket penetration piece using described in the claims 1-3 any one claims welds anti-deformation water
The application method of device for cooling, it is characterised in that comprise the following steps：
When S1, installation, prepare installing mechanism, the installing mechanism includes：Thrust bearing, mandrel connecting rod, mandrel spacing ring,
Protective case spacing ring and spacing ring connecting rod, assembly wrench and assembly wrench spacing ring；
The lower end of the assembly wrench sequentially passes through assembly wrench spacing ring, mandrel spacing ring, protective case spacing ring and thrust
The centre bore of bearing is set, and the assembly wrench spacing ring and the spacing interannular of mandrel are supported by spacing ring connecting rod and connected,
The assembly wrench lower end is equipped with screw thread；
The thrust bearing, be put into the groove on mandrel top by S11, and described mandrel connecting rod one end passes through protective case spacing ring
It is connected with mandrel 1, the other end is connected with mandrel spacing ring；
Magnetism servo-electric motor water-cooling, is passed through rigid constraint mechanism by S12, assembly wrench lower end through mandrel spacing ring and protective case spacing ring with
The top of return duct is threadedly coupled, and the assembly wrench upper end passes through assembly wrench spacing ring；
S13, the threaded connection length by adjusting assembly wrench and return duct, the outside diameter for adjusting rigid constraint mechanism are less than driving
The cavity internal diameter of tube socket；
S14, by rigid constraint mechanism together with magnetism servo-electric motor water-cooling be put into togerther driving tube socket in, rotation installation wrench, swelling rigidity about
Beam mechanism；
S15, disassemble assembly wrench, disassembles mandrel connecting rod, so that installing mechanism be removed；
S16, install the inner cavity top that sealing-plug enters driving tube socket, connects circulating cooling water tank；
When S17, welding, cooling water is entered in driving tube socket cavity, cooling water by water supply hose by the water inlet of lower sealing-plug
Rise in the cavity, after covering the water return outlet on return duct top, recirculated cooling water is flowed back to by return duct and Return water hoses
Case, achievees the purpose that welding cooling；
When S2, dismounting, prepare disassembly mechanism, the disassembly mechanism includes：Support tube, trapezoidal screw and screw lift；
The support tube upper end is provided with screw lift, and the trapezoidal screw is arranged at the support tube inner chamber, and
And the trapezoidal screw is set to be lifted under the control of screw lift；
S21, by the upper sealing-plug from driving tube socket cavity in take out, by the support tube be put into driving tube socket cavity
It is interior, trapezoidal screw lower end minor thread is connected with return duct upper end internal thread, by the major thread and mandrel of trapezoidal screw lower end
Hold internal thread connection；
Trapezoidal screw, be lifted up by screw lift by S22, so that the tension force of rigid constraint mechanism is fallen in relaxation, finally
Rigid constraint mechanism and magnetism servo-electric motor water-cooling are taken out together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310224.2A CN107999982B (en) | 2017-12-11 | 2017-12-11 | Using method of anti-deformation water cooling device for welding of driving pipe seat penetrating piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711310224.2A CN107999982B (en) | 2017-12-11 | 2017-12-11 | Using method of anti-deformation water cooling device for welding of driving pipe seat penetrating piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107999982A true CN107999982A (en) | 2018-05-08 |
| CN107999982B CN107999982B (en) | 2020-05-05 |
Family
ID=62058250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711310224.2A Active CN107999982B (en) | 2017-12-11 | 2017-12-11 | Using method of anti-deformation water cooling device for welding of driving pipe seat penetrating piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107999982B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202045461U (en) * | 2011-04-29 | 2011-11-23 | 深圳市顺安金德实业制品来料加工厂 | A water cooling device used for weld cooling |
| KR101151639B1 (en) * | 2011-12-23 | 2012-06-08 | 두산중공업 주식회사 | A fixing apparatus for preventing deformation of welding |
| CN203509381U (en) * | 2013-05-17 | 2014-04-02 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Rigid support structure and water cooling structure used for anti-deformation of seal welding of elongated pipe and seal head |
| CN203566106U (en) * | 2013-11-15 | 2014-04-30 | 陕西鼓风机集团西安锅炉有限责任公司（西安特种汽车厂） | Welding auxiliary device of membrane type water wall |
| CN204308440U (en) * | 2014-11-25 | 2015-05-06 | 哈电集团（秦皇岛）重型装备有限公司 | A kind ofly take over the anti-deformation device welded with low head for electric heater |
-
2017
- 2017-12-11 CN CN201711310224.2A patent/CN107999982B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202045461U (en) * | 2011-04-29 | 2011-11-23 | 深圳市顺安金德实业制品来料加工厂 | A water cooling device used for weld cooling |
| KR101151639B1 (en) * | 2011-12-23 | 2012-06-08 | 두산중공업 주식회사 | A fixing apparatus for preventing deformation of welding |
| CN203509381U (en) * | 2013-05-17 | 2014-04-02 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Rigid support structure and water cooling structure used for anti-deformation of seal welding of elongated pipe and seal head |
| CN203566106U (en) * | 2013-11-15 | 2014-04-30 | 陕西鼓风机集团西安锅炉有限责任公司（西安特种汽车厂） | Welding auxiliary device of membrane type water wall |
| CN204308440U (en) * | 2014-11-25 | 2015-05-06 | 哈电集团（秦皇岛）重型装备有限公司 | A kind ofly take over the anti-deformation device welded with low head for electric heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107999982B (en) | 2020-05-05 |
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Address after: 116113 No.1-1, MianHuaDao Road, Ganjingzi District, Dalian City, Liaoning Province Co-patentee after: CHINA FIRST HEAVY INDUSTRIES Patentee after: Dalian nuclear power and Petrochemical Co., Ltd Address before: 116000 No. 1 cotton road, Dalian Bay, Ganjingzi District, Liaoning, Dalian Co-patentee before: CHINA FIRST HEAVY INDUSTRIES Patentee before: China First Heavy Machinery Group Dalian hydrogenation reactor Manufacturing Co.,Ltd. |
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