CN106002095B - The method of high temperature gas cooled reactor Shaft bank built-in fitting production and installation - Google Patents
The method of high temperature gas cooled reactor Shaft bank built-in fitting production and installation Download PDFInfo
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- CN106002095B CN106002095B CN201610402626.4A CN201610402626A CN106002095B CN 106002095 B CN106002095 B CN 106002095B CN 201610402626 A CN201610402626 A CN 201610402626A CN 106002095 B CN106002095 B CN 106002095B
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- 238000009434 installation Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims description 27
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000009826 distribution Methods 0.000 claims abstract description 6
- 238000003754 machining Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 4
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 239000002915 spent fuel radioactive waste Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- 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
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D5/00—Lining shafts; Linings therefor
- E21D5/04—Lining shafts; Linings therefor with brick, concrete, stone, or similar building materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention belongs to the technical fields of Nuclear Power Station.In order to solve in the production of high temperature gas cooled reactor Shaft bank built-in fitting and installation process, the problem that built-in fitting is easily deformed, machining accuracy is impacted and technical staff's activity duration is long, the present invention proposes the auxiliary device of a kind of high temperature gas cooled reactor Shaft bank built-in fitting production and installation, including external tooling and at least three inside toolings；Internal tooling includes central tube, and radial distribution has several support columns on the outer wall of central tube, which is equipped with jackscrew far from one end of central tube, which is connected with support plate, which is arcuate structure identical with built-in fitting tube structure；External tooling includes ontology, which is tubular structure, which is equipped with several adjustment bolts, and adjustment bolt is located within the body one end of side equipped with gasket.Using the device of the invention, the welding of built-in fitting cylinder can be rapidly completed, guarantee that machining accuracy is met the requirements, prevent from deforming during the installation process.
Description
Technical field
The invention belongs to the technical fields of Nuclear Power Station, and in particular to a kind of high temperature gas cooled reactor Shaft bank built-in fitting system
The method made and installed.
Background technique
High temperature gas cooled reactor is the Advanced Nuclear Energy Technology with forth generation technical characteristic, high temperature gas cooled reactor spent fuel storage system
Shaft bank built-in fitting is located at the Shaft bank position of spentnuclear fuel workshop, as shown in Figure 1, high temperature gas cooled reactor Shaft bank built-in fitting
15 include top annular plate component 10, upper section shell ring 11, middle section shell ring 12, lower section shell ring 13 and horn mouth 14, in built-in fitting 15
In manufacturing process, need to form upper section shell ring 11, middle section shell ring 12 and 13 welding of lower section shell ring the cylinder of built-in fitting 15,
Then the inner surface of cylinder is machined out so that the precision of built-in fitting 15 is met the requirements, built-in fitting 15 complete after again
Built-in fitting 15 is installed to design position.On the one hand the effect of built-in fitting 15 is the transport channel as fuel sphere basin, another
Aspect is to play the sealing of vertical shaft, unlatching and the function of shielding ray, institute together with the vertical shaft well lid being placed into built-in fitting 15
It is high with the production required precision of built-in fitting 15, if the production and installation of built-in fitting 15 are not able to satisfy design requirement, directly lead
Vertical shaft where causing is scrapped.
It is had the following problems in the production and installation process of built-in fitting 15 at present:
(1) it since upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13 belong to the structural member of large diameter thin wall, is easy
Deformation, causes to need multiple adjustment when welding, takes considerable time and manpower.
(2) when being machined out to upper section shell ring 11, middle section shell ring 12 and 13 inner wall of lower section shell ring, vibration caused by cutting
It is larger, easily occur lifts phenomenon during the cutting process, influences the machining accuracy of built-in fitting 15；Meanwhile it being produced in machining process
Raw power and localized hyperthermia easily causes built-in fitting 15 to deform.
(3) in installation process, built-in fitting 15 is easily deformed in hoisting transportation and when casting concrete.
It also proposed some solutions for above-mentioned problem, but the solution proposed can also generate other ask
Topic, such as:
(1) if increasing the structural strength of built-in fitting 15 by increasing by 15 wall thickness of built-in fitting, it will lead to built-in fitting 15
Material cost greatly increases；
(2) since the reinforcing bar distribution of 15 installation site of built-in fitting is excessively intensive, if by increasing muscle on the outside of built-in fitting 15
The components such as plate increase the structural strength of built-in fitting 15, then will lead to built-in fitting 15 can not install dropping place；
(3) since 15 installation site surrounding space of built-in fitting is narrow, reinforcing bar is carried out again if being first installed in place built-in fitting 15
Binding, the then difficulty that will lead to reinforcing bar binding increase significantly, it will are greatly delayed project progress.
Summary of the invention
In order to solve in the production of high temperature gas cooled reactor Shaft bank built-in fitting and installation process, built-in fitting is easily deformed, machine adds
The problem that work precision is impacted and technical staff's activity duration is long, the present invention propose a kind of high temperature gas cooled reactor Shaft bank built-in fitting
The auxiliary device of production and installation, including external tooling and at least three inside toolings；The internal tooling includes central tube, institute
Stating radial distribution on the outer wall of central tube has several support columns, which is equipped with top far from one end of the central tube
Silk, the jackscrew are connected with support plate, which is arcuate structure identical with built-in fitting tube structure；The external tooling packet
Ontology is included, which is tubular structure, and the wall thickness of the ontology is greater than the wall thickness of built-in fitting cylinder, and the internal diameter of the ontology is greater than
The outer diameter of built-in fitting cylinder, the ontology be equipped with several adjustment bolts, the adjustment bolt pass through the ontology outer wall and
Inner wall, and the adjustment bolt is located at one end on the inside of the ontology equipped with gasket；In use, the internal tooling is positioned at pre-buried
The inside of part cylinder, the external tooling are located at the outside of built-in fitting cylinder.
Wherein, the support column being arranged radially along the central tube.
Wherein, the adjustment bolt being arranged radially along the ontology.
Wherein, the internal tooling further includes connecting plate, and the support column of the internal tooling is connected by the connecting plate, with
At least three inside tooling is connected as entirety, and the central tube of the internal tooling is coaxial.
Wherein, the internal tooling further includes several Auxiliary supports, which includes Auxiliary support column, the auxiliary
One end of support column is connect with the outer wall of the central tube, and the other end of the Auxiliary support column is equipped with jackscrew, jackscrew connection
There is auxiliary support plate, the auxiliary support plate is identical as the supporting plate structure.
The method that the present invention also proposes a kind of high temperature gas cooled reactor Shaft bank built-in fitting production and installation, uses above-mentioned height
The auxiliary device of wet cold dome Shaft bank built-in fitting production and installation, comprising the following steps:
(1) it places the internal tooling respectively in the upper section shell ring of built-in fitting, middle section shell ring and lower section shell ring, adjusts institute
The jackscrew of internal tooling is stated, so that the support plate of the internal tooling in upper section shell ring is resisted against on upper section shell ring, middle section cylinder
The support plate of the internal tooling in section is resisted against on the shell ring of middle section, and the support plate of the internal tooling in lower section shell ring is supported
It is against on lower section shell ring；
(2) jackscrew is adjusted, to adjust support of the support plate to upper section shell ring, middle section shell ring and lower section shell ring
Power, and then adjust the circularity of upper section shell ring, middle section shell ring and lower section shell ring；
(3) welding is grouped to upper section shell ring, middle section shell ring and lower section shell ring, is further adjusted by the internal tooling
The circularity of whole upper section shell ring, middle section shell ring and lower section shell ring, so that upper section shell ring, middle section shell ring and lower section shell ring satisfaction group butt welding
The requirement connect；
(4) built-in fitting is hoisted in the external tooling, screws the adjustment bolt of the external tooling so that the pad
Piece resists the outer wall of built-in fitting cylinder；
(5) the internal tooling is removed；
(6) inner wall of built-in fitting cylinder is machined out；
(7) the internal tooling is reinstalled in built-in fitting cylinder；
(8) adjustment bolt is screwed so that the gasket unclamps built-in fitting cylinder, by built-in fitting from the external tooling
In hang out and be hoisted to installation site.
Wherein, in the step (3), before welding, the support column of the internal tooling is connected using connecting plate, with
At least three internal toolings are connected as entirety, and the central tube of the internal tooling is coaxial.
Wherein, the internal tooling further includes several Auxiliary supports, which includes Auxiliary support column, the auxiliary
One end of support column is connect with the outer wall of the central tube, and the other end of the Auxiliary support column is equipped with jackscrew, jackscrew connection
There is auxiliary support plate, the auxiliary support plate is identical as the supporting plate structure, in the step (2), if on built-in fitting cylinder
Region between the two neighboring support column needs to adjust circularity, then is resisted against the auxiliary support plate and needs to adjust circularity
Region, adjust the jackscrew on the Auxiliary support column to adjust circularity.
Wherein, which is characterized in that in the step (7), the support plate of the internal tooling is fixed with built-in fitting cylinder
Connection.
The auxiliary device of high temperature gas cooled reactor Shaft bank built-in fitting of the present invention production and installation have it is following the utility model has the advantages that
The support plate of inside tooling of the invention is bonded with the inner wall of built-in fitting cylinder, and support plate of the invention is placed in
In upper section shell ring, middle section shell ring and lower section shell ring, upper section shell ring, middle section shell ring and lower section shell ring can be supported, and by adjusting
The jackscrew of internal tooling to adjust support plate to the support force of upper section shell ring, middle section shell ring and lower section shell ring, and then adjusts upper section
The circularity of shell ring, middle section shell ring and lower section shell ring, after circularity adjustment is good, due to the supporting role of support plate, upper section shell ring, middle section
Shell ring and lower section shell ring are able to maintain its shape, are not susceptible to deform.When having external force when built-in fitting cylinder, for example pour
Concrete extruding, internal tooling can also prevent built-in fitting from deforming.External tooling of the invention utilizes adjustment bolt
Built-in fitting cylinder is resisted, is supported with being formed to built-in fitting, is played the role of limit and fixation, prevent built-in fitting in machining process
In deform, go on smoothly machining operation, guaranteeing built-in fitting, precision meets the requirements after machining, and adjustment bolt
On gasket be capable of increasing the forced area of built-in fitting and can also protect the outer wall of built-in fitting.
The method of the production of high temperature gas cooled reactor Shaft bank built-in fitting and installation of the present invention has the following beneficial effects:
In the method for the invention, first internal tooling is placed in upper section shell ring, middle section shell ring and lower section shell ring, with right
Each shell ring forms support, and adjusts the circularity of each shell ring, and then in welding, technical staff is further using internal tooling
Upper section shell ring, middle section shell ring and lower section shell ring are adjusted, such technical staff can be rapidly by the circularity tune of each shell ring
It is whole to meeting the requirements, simultaneously because support of the internal tooling to upper section shell ring, middle section shell ring and lower section shell ring, upper section shell ring, in
Section shell ring and lower section shell ring are not susceptible to deform, and technical staff can quickly and easily adjust each shell ring to coaxial, avoid
In group to multiple adjustment in the process, the improvement time is saved, the duration is shortened.Internal tooling can also greatly reduce upper section cylinder
The deformation of section, middle section shell ring and lower section shell ring group postwelding.
In the method for the invention, when being machined after the completion of welding, internal tooling is removed, built-in fitting is hoisted to
In external tooling, built-in fitting is formed using external tooling support in this way, can be avoided the lifts phenomenon in machining process, together
When can prevent built-in fitting from deforming when by power and localized hyperthermia, thus make machining after built-in fitting precision satisfaction want
It asks.Since limited support of the external tooling to built-in fitting acts on, for built-in fitting after the completion of welding, removing internal tooling can
Be machined out, and without waiting for built-in fitting after welding stress-removal, and the stress-removal of built-in fitting usually requires 2-3 months
Time improve operating efficiency so as to shorten the activity duration.External tooling also blocks the effect of built-in fitting, due to pre-
The cylinder of embedded part is relatively thin, and when machining, the included fixture of machinery tools can not clamp the cylinder of built-in fitting, and external tooling is logical
The cylinder for resisting built-in fitting using adjustment bolt is crossed, to block built-in fitting, the position of built-in fitting is fixed, keeps machining operation suitable
Benefit carries out.
In the method for the invention, when being installed after the completion of machining, internal tooling is reinstalled in built-in fitting, it will be outer
Portion's tooling is removed, and in this way in hoisting transportation built-in fitting and in installation of embedded parts after-pouring concrete in place, internal tooling is equal
It can prevent built-in fitting from deforming.In the method for the invention, internal tooling and external tooling is used alternatingly, passes through internal work
The supporting role of dress and external tooling, to prevent built-in fitting from deforming during the entire process of the production of built-in fitting and installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high temperature gas cooled reactor Shaft bank built-in fitting；
Fig. 2 is the knot of the inside tooling for the auxiliary device that high temperature gas cooled reactor Shaft bank built-in fitting of the present invention makes and installs
Structure schematic diagram；
Fig. 3 is the partial enlargement diagram in the portion A in Fig. 2；
Fig. 4 is making for the inside tooling for the auxiliary device that high temperature gas cooled reactor Shaft bank built-in fitting of the present invention makes and installs
Use status diagram；
Fig. 5 is the partial enlargement diagram in the portion B in Fig. 2；
Fig. 6 is the knot of the external tooling for the auxiliary device that high temperature gas cooled reactor Shaft bank built-in fitting of the present invention makes and installs
Structure schematic diagram；
Fig. 7 is the partial enlargement diagram of C portion in Fig. 6；
Fig. 8 is making for the external tooling for the auxiliary device that high temperature gas cooled reactor Shaft bank built-in fitting of the present invention makes and installs
Use status diagram；
Fig. 9 is the scheme of installation of high temperature gas cooled reactor Shaft bank built-in fitting.
Specific embodiment
Technical solution of the present invention is introduced with reference to the accompanying drawing.
The auxiliary device of high temperature gas cooled reactor Shaft bank built-in fitting of the present invention production and installation includes external tooling and at least
Three internal toolings, as in Figure 2-4, internal tooling 20 includes central tube 21, there is radial distribution on the outer wall of central tube 21
Several support columns 22, in Fig. 2, there are six support column 22, the quantity of support column 22 for radial distribution on the outer wall of central tube 21
It can be adjusted according to actual needs；Support column 22 is arranged radially along central tube 21, i.e., support column 22 is along central tube 21
It radially extends, support column 22 is uniformly distributed on the outer wall of central tube 21.As shown in figure 3, support column 22 is far from central tube 21
One end is equipped with jackscrew 26, which is connected with support plate 23, and support plate 23 is arc knot identical with built-in fitting tube structure
Structure.
As shown in figure 4, the quantity of internal tooling 20 is three, in upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13
Each to place an internal tooling 20, the support plate 23 of the inside tooling in upper section shell ring 11 is bonded with the inner wall of upper section shell ring 11,
The support plate 23 of inside tooling in middle section shell ring 12 is bonded with the inner wall of middle section shell ring 12, the inside tooling in lower section shell ring 13
Support plate 23 be bonded with the inner wall of lower section shell ring 13.The quantity of internal tooling 20 is at least three so that upper section shell ring 11, in
At least one each internal tooling 20 in section shell ring 12 and lower section shell ring 13.
Preferably, as shown in Figure 2 and Figure 5, internal tooling 20 further includes Auxiliary support 33, which includes auxiliary
Support column 24, one end of the Auxiliary support column 24 are fixed on 21 outer wall of central tube, and the other end of Auxiliary support column 24 is equipped with top
Silk 26, which is connected with auxiliary support plate 25, and auxiliary support plate 25 is identical as 23 structure of support plate.The number of Auxiliary support 33
Amount is several.As shown in figure 4, internal tooling 20 further includes connecting plate 32, the support column 22 of internal tooling 20 passes through the connection
Plate 32 connects, and three internal toolings 20 is connected as entirety, and the central tube 21 of internal tooling 20 is coaxial.
As shown in fig. 6-7, external tooling 27 includes ontology 28, which is tubular structure, and the wall thickness of ontology 28 is greater than
The wall thickness of upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13, the structural strength of such ontology 28 be greater than upper section shell ring 11,
The structural strength of middle section shell ring 12 and lower section shell ring 13.The internal diameter of ontology 28 is greater than upper section shell ring 11, middle section shell ring 12 and lower section
Built-in fitting 15 can be thus put into ontology 28 by the outer diameter of shell ring 13.Ontology 28 is equipped with several adjustment bolts 29, should
Adjustment bolt 29 passes through the outer wall and inner wall of ontology 28, and adjustment bolt 29 is located at one end of 28 inside of ontology equipped with gasket 31.
Adjustment bolt 29 is arranged radially along ontology 28, i.e. the axis of adjustment bolt 29 radially extending along ontology 28.Adjustment bolt 29
It is uniformly distributed on ontology 28, as shown in fig. 6, multi-turn adjustment bolt 29 is distributed on the circumference of ontology 28.In use, internal
Tooling 20 is located at the inside of built-in fitting cylinder, and external tooling 27 is located at the outside of built-in fitting cylinder.
The method that the present invention also proposes a kind of high temperature gas cooled reactor Shaft bank built-in fitting production and installation, this method uses upper
The auxiliary device of high temperature gas cooled reactor Shaft bank the built-in fitting production and installation stated, comprising the following steps:
(1) as shown in figure 4, placed respectively in the upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13 of built-in fitting to
A few internal tooling 20, adjusts the jackscrew 26 of internal tooling 20, so that the support plate 23 of internal tooling is supported in upper section shell ring 11
It is against on the inner wall of upper section shell ring 11, upper section shell ring 11 is formed and is supported；The support plate 23 of internal tooling is supported in middle section shell ring 12
It is against on the inner wall of middle section shell ring 12, middle section shell ring 12 is formed and is supported；The support plate 23 of internal tooling is supported in lower section shell ring 13
It is against on the inner wall of lower section shell ring 13, lower section shell ring 12 is formed and is supported.
Upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13 are process by welding procedure, after the completion of welding,
Internal tooling 20 is placed in upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13, to upper section shell ring 11, middle section cylinder
Section 12 and lower section shell ring 13 form support.
(2) jackscrew 26 is adjusted, to adjust support of the support plate 23 to upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13
Power, and then the circularity of upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13 is adjusted, make upper section shell ring 11,12 and of middle section shell ring
The circularity of lower section shell ring 13 meets design requirement.Due to the supporting role of internal tooling 20, upper section shell ring 11,12 and of middle section shell ring
Lower section shell ring 13 is able to maintain circularity adjusted, is not susceptible to deform.
As shown in Figure 2 and Figure 4, in this step, internal tooling 20 further includes several Auxiliary supports 33, the Auxiliary support
33 include Auxiliary support column 24, and one end of the Auxiliary support column 24 connect with the outer wall of central tube 21, Auxiliary support column 24 it is another
One end is equipped with jackscrew 26, which is connected with auxiliary support plate 25, and the auxiliary support plate 25 is identical as 23 structure of support plate, if
Region on built-in fitting cylinder between two neighboring support column 22 needs to adjust circularity, then auxiliary support plate 25 is resisted against needs
The region of circularity is adjusted, adjusts the jackscrew 26 on Auxiliary support column 24 to adjust circularity.Such as upper section shell ring 11, work as upper section
Region on shell ring 11 between two adjacent support columns 22 be also required to adjustment circularity when, then can by auxiliary support plate 25 against
In the region for needing to adjust circularity, the jackscrew 26 on Auxiliary support column 24 is screwed to adjust 11 circularity of upper section shell ring, use is identical
Method also can adjust the circularity in the region between two support columns 22 adjacent on middle section shell ring 12 and lower section shell ring 13.
(3) welding is grouped to upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13, organizes clock synchronization, one side upper section
Shell ring 11, middle section shell ring 12 and the respective circularity of lower section shell ring 13 will meet the requirements, on the other hand by upper section shell ring 11, middle section
Shell ring 12 and lower section shell ring 13 are adjusted to coaxial.In this step, upper section shell ring can further be adjusted by internal tooling 20
11, the circularity of middle section shell ring 12 and lower section shell ring 13, due in step (2) to upper section shell ring 11, middle section shell ring 12 and under
The circularity of section shell ring 13 has carried out the supporting role of adjustment and internal tooling 20, so in this step, technical staff can be fast
Fastly by the circularity adjustment of each shell ring to meeting the requirements, simultaneously because internal tooling 20 is to upper section shell ring 11,12 and of middle section shell ring
The support of lower section shell ring 13, upper section shell ring 11, middle section shell ring 12 and lower section shell ring 13 are not susceptible to deform, and technical staff can be square
Just rapidly each shell ring is adjusted to coaxial, avoids in group to multiple adjustment in the process, has saved the improvement time, shortened work
Phase.Internal tooling 20 can also greatly reduce the deformation of 13 groups of upper section shell ring 11, middle section shell ring 12 and lower section shell ring postweldings.Center
Pipe 21 be hollow structure, the inner space of central tube 21 be used for the tools such as total station release upper section shell ring 11, in
The center line of section shell ring 12 and lower section shell ring 13.
As shown in Figure 4, it is preferable that in 13 groups of upper section shell ring 11, middle section shell ring 12 and lower section shell ring to preceding, first by upper section cylinder
Inside tooling 20 in section 11, middle section shell ring 12 and lower section shell ring 13 is connected as entirety, and the central tube 21 of internal tooling 20 is same
Axis can be used for example connecting plate 32 and connect the support column 22 of neighbouring two internal toolings 20, will be neighbouring
Two internal toolings 20 be connected as an entirety, using same method, three internal toolings 20 are connected as an entirety,
And the central tube 21 of this three internal toolings 20 is coaxial, when such welding, is conducive to upper section shell ring 11, middle section shell ring 12
It adjusts with lower section shell ring 13 to coaxial.
(4) adjustment bolt 29 of external tooling 27 is screwed to outermost, as Figure 7-8,15 welding of built-in fitting
After the completion, built-in fitting 15 is hoisted in external tooling 27, screws adjustment bolt 29 so that gasket 31 resists 15 cylinder of built-in fitting
The outer wall of (cylinder formed after 13 welding of upper section shell ring 11, middle section shell ring 12 and lower section shell ring), such adjustment bolt 29
Built-in fitting 15 will be formed and be supported, the forced area that gasket 31 is capable of increasing built-in fitting 15 can also protect the outer of built-in fitting 15
Wall.
(5) internal tooling 20 is removed, after removing internal tooling 20, due to there is the support of external tooling 27, can be avoided pre-
Embedded part 15 deforms.
(6) inner wall of 15 cylinder of built-in fitting is machined out.In machining process, since external tooling 27 is to built-in fitting
15 support can be avoided the lifts phenomenon in machining process, while built-in fitting 15 can be prevented high by power and part
It deforms when warm, so that the precision of built-in fitting 15 after machining be made to meet the requirements.Since external tooling 27 is to built-in fitting 15
Limited support effect, after the completion of step (3) welding, removing internal tooling 20 can be machined out built-in fitting 15, and
Without waiting for built-in fitting 15, stress-removal so as to shorten the activity duration improves operating efficiency after welding.External tooling
27 also block the effect of built-in fitting 15, since the cylinder of built-in fitting 15 is relatively thin, when machining, and the included fixture of machinery tools
The cylinder of built-in fitting 15 can not be clamped, external tooling 27 resists the cylinder of built-in fitting 15 by using adjustment bolt 29, with card
The position of built-in fitting 15 is fixed, goes on smoothly machining operation by firmly built-in fitting 15.
(7) internal tooling 20 is reinstalled in 15 cylinder of built-in fitting, it in this step, can be by internal tooling 20
Support plate 23 is fixedly connected with the cylinder of built-in fitting 15, such as is fixed by spot welding, is on the one hand can be avoided in this way in subsequent step
Internal tooling 20 falls off from built-in fitting 15 in rapid, causes to lose the support to built-in fitting 15, on the other hand due to support plate 23
It is fixedly connected with built-in fitting 15, internal tooling 20 can be used as the fulcrum of built-in fitting 15, because built-in fitting 15 is large diameter thin wall
Structure, built-in fitting 15 itself is without suitable fulcrum, by internal tooling 20 as the fulcrum of built-in fitting 15 to facilitate progress
Operation.
(8) adjustment bolt 29 is screwed so that gasket 31 unclamps the cylinder of built-in fitting 15, as shown in figure 9, the peace of built-in fitting 15
Many reinforcing bars 30 are distributed in holding position, hang out and be hoisted to installation site from external tooling 27 for built-in fitting 15, transport in lifting
When defeated built-in fitting 15 and when built-in fitting 15 installs after-pouring concrete in place, internal tooling 20 can prevent built-in fitting 15
It deforms.
Claims (6)
1. a kind of method of high temperature gas cooled reactor Shaft bank built-in fitting production and installation, which is characterized in that this method uses auxiliary
Help device, including external tooling and at least three inside toolings；The internal tooling includes central tube, the outer wall of the central tube
Upper radial distribution has several support columns, which is equipped with jackscrew far from one end of the central tube, which is connected with
Support plate, the support plate are arcuate structure identical with built-in fitting tube structure；
The external tooling includes ontology, which is tubular structure, and the wall thickness of the ontology is greater than the wall thickness of built-in fitting cylinder,
The internal diameter of the ontology is greater than the outer diameter of built-in fitting cylinder, and the ontology is equipped with several adjustment bolts, which wears
The outer wall and inner wall of the ontology are crossed, and the adjustment bolt is located at one end on the inside of the ontology equipped with gasket；
In use, the internal tooling is located at the inside of built-in fitting cylinder, the external tooling is located at the outside of built-in fitting cylinder；
This method, comprising the following steps:
(1) it places the internal tooling respectively in the upper section shell ring of built-in fitting, middle section shell ring and lower section shell ring, adjusts in described
The jackscrew of portion's tooling, so that the support plate of the internal tooling in upper section shell ring is resisted against on upper section shell ring, in the shell ring of middle section
The support plate of the internal tooling be resisted against on the shell ring of middle section, the support plate of the internal tooling in lower section shell ring is resisted against
On lower section shell ring；
(2) jackscrew is adjusted, to adjust the support plate to the support force of upper section shell ring, middle section shell ring and lower section shell ring, into
And adjust the circularity of upper section shell ring, middle section shell ring and lower section shell ring；
(3) welding is grouped to upper section shell ring, middle section shell ring and lower section shell ring, is further adjusted by the internal tooling
The circularity of section shell ring, middle section shell ring and lower section shell ring, so that upper section shell ring, middle section shell ring and lower section shell ring meet welding
It is required that；
(4) built-in fitting is hoisted in the external tooling, screws the adjustment bolt of the external tooling so that the gasket supports
The firmly outer wall of built-in fitting cylinder；
(5) the internal tooling is removed；
(6) inner wall of built-in fitting cylinder is machined out；
(7) the internal tooling is reinstalled in built-in fitting cylinder；
(8) adjustment bolt is screwed so that gasket release built-in fitting cylinder, built-in fitting is hung from the external tooling
Out and it is hoisted to installation site.
2. the method for high temperature gas cooled reactor Shaft bank built-in fitting production and installation according to claim 1, which is characterized in that
In the step (3), before welding, the support column of the internal tooling is connected using connecting plate, by least three institutes
It states internal tooling and is connected as entirety, and the central tube of the internal tooling is coaxial.
3. the method for high temperature gas cooled reactor Shaft bank built-in fitting production and installation according to claim 1 or 2, feature exist
It further include several Auxiliary supports in, the internal tooling, which includes Auxiliary support column, and the one of the Auxiliary support column
End is connect with the outer wall of the central tube, and the other end of the Auxiliary support column is equipped with jackscrew, which is connected with Auxiliary support
Plate, the auxiliary support plate is identical as the supporting plate structure, in the step (2), if two neighboring institute on built-in fitting cylinder
It states the region between support column and needs to adjust circularity, then the auxiliary support plate is resisted against to the region for needing to adjust circularity, adjust
Jackscrew on the whole Auxiliary support column is to adjust circularity.
4. the method for high temperature gas cooled reactor Shaft bank built-in fitting production and installation according to claim 1 or 2, feature exist
In in the step (7), the support plate of the internal tooling is fixedly connected with built-in fitting cylinder.
5. the method for high temperature gas cooled reactor Shaft bank built-in fitting production and installation according to claim 1, which is characterized in that
The support column is arranged radially along the central tube.
6. the method for high temperature gas cooled reactor Shaft bank built-in fitting production and installation, feature exist according to claim 1 or 5
In the adjustment bolt is arranged radially along the ontology.
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