CN106514142B - The manufacturing method of simulator stand stratochamber - Google Patents
The manufacturing method of simulator stand stratochamber Download PDFInfo
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- CN106514142B CN106514142B CN201610975765.6A CN201610975765A CN106514142B CN 106514142 B CN106514142 B CN 106514142B CN 201610975765 A CN201610975765 A CN 201610975765A CN 106514142 B CN106514142 B CN 106514142B
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- 238000003466 welding Methods 0.000 claims abstract description 29
- 230000003014 reinforcing Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 210000002381 Plasma Anatomy 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 5
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Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
Abstract
The present invention relates to a kind of manufacturing methods of simulated experiment platform stratochamber, include the following steps：The group of cabin rear head to installation, assembly reinforcing ring, doorframe group to being welded with welding, test platform, the pre-installation debugging of hinge assembly, aperture, frame members and cabin and test platform is into cabin；The accurate aperture of the present invention is realized and carries out precision assembly with doorframe.Guarantee test platform reaches depth of parallelism requirement.Also it can be generalized to the manufacture of similar products.
Description
Technical field
The present invention relates to a kind of manufacturing methods of simulator stand stratochamber, are mainly used for high-vacuum simulation test and use.
Background technique
Engine running test platform-Gao Mo testing stand stratochamber is mainly used for high-vacuum simulation experiment, since experimental cabin is whole
The main part of a pilot system, experimental cabin has after manufacturing heats the subtests such as accessory, system electric control, instrument in cabin
Equipment.The technical requirements that strict implement design proposes are the premises that a whole set of experimental cabin operates normally.
However currently, there is technical problem in the manufacture of high mould testing stand stratochamber in the following areas：1, cabin diameter
2000mm, hatch door doorframe are up to 1100mm, and doorframe is rectangle, how accurate aperture, accurate dress is then carried out with doorframe
Be this field always thirst for solve technical problem.2, the depth of parallelism of test platform, technical requirements particularly point out test platform
The depth of parallelism require to be accurate to 0.1mm, could guarantee test result accuracy, how test platform after mounting reaches flat
Row degree requires, the difficult point in high mould experimental cabin manufacturing process.
Summary of the invention
The present invention is directed to above content, provides a kind of preparation method of high simulator stand stratochamber, solves existing
There are technological difficulties in technology high and medium cabin precision assembly and the depth of parallelism.
Technical solution of the present invention includes the following steps：
Step 1, cabin, the group of rear head are to installation：When main element welds, front head is installed in all components
After carry out welding；
Step 2, assembly reinforcing ring：The reinforcing ring of centre two of 4 groups of reinforcing rings of experimental cabin prescinds a part, vertical plate and interior
Ring, outer ring use point method of valve group pair and fitted closely with to achieve the purpose that reinforcing ring and cabin and uniform force；
Step 3, the group of doorframe to welding：Doorframe each section is the stainless steel plate using δ 50mm, composing frame it is each
Component all using interior cut form, guarantees the verticality of each section, doorframe group to when need will be preprepared
Working plate is deformed when welding in order to prevent on all fixing, and after working plate has all been fixed, is also needed in welding in door
Transverse bar plate and vertical bar plate are drawn in frame；
Step 4, test platform：In the welding process using the fixed testing stand of tooling；To the workbench after manufacture completion
By the requirement of pattern and technical papers, after gainer passed examination, pickling, passivation pretreatment just can be carried out；By weld seam and
Its two sides welding slag, splash are cleaned out, and the surface gasoline or cleaning agent of workbench remove grease stain dirt；Remove weld seam two sides
When foreign matter, using stainless steel wire brush, stainless steel shovel or grinding wheel are removed, and removing is finished is washed away completely with water purification；
Step 5, the debugging of the pre-installation of hinge assembly：The hatch door height 1100mm of experimental cabin is equipped with 5 hinge assemblies altogether,
Hinge assembly carries out pre-installation debugging when being welded to before cabin；
Step 6, aperture：The aperture of hatch door uses plasma aperture, opens 1100 × 900mm in the cabin of 2000mm diameter
Hatch door, by hatch door and cabin mutually to pass through picture good, make 1：1 template, crosses according to template, plasma cut when along ruler
The inward flange of very little line is cut, and then by doorframe group to doorframe tapping is arrived, compares out the size of phase difference size, reconditioning goes out most
The shape of whole size；
Step 7, frame members and cabin are welded：Cross vertical and horizontal muscle will be pulled in cabin, the groove type used is double
Face groove, to guarantee complete penetraction and fusion in welding；
Step 8, test platform are into cabin：The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, will try
It tests before platform moves into experimental cabin, the installation and adjustment block on the transverse slat of test platform can be realized micro Adjustment Tests
The depth of parallelism of platform.
Advantages of the present invention effect is as follows：
Accurate aperture is realized and carries out precision assembly with doorframe.Guarantee test platform reaches depth of parallelism requirement.It can also promote
To the manufacture of similar products.
Specific embodiment
Embodiment
The structure of high mould testing stand stratochamber is by end socket, cabin, hinge assembly, hatch door component, the composition such as test platform.
1, cabin, the group of rear head are to installation：
The global shape of high mould experimental cabin is cylindrical body, having a size of φ 2000mm × 4000mm, is equipped with examination in stratochamber
Platform is tested, so front head is the progress welding after all components install in main element welding, is filled in this way
The advantage matched is 1, can more intuitively measure testing stand and whether the levelness on ground meets the technology of testing stand and want
It asks；2, be convenient to clean mutually passed through between doorframe and cylinder more than part, carry out basis for the installation of other components.
2, reinforcing ring is assembled：
Experimental cabin has 4 groups of reinforcing rings, and reinforcing ring is made of the peace of hatch door for convenience inner ring, outer ring, vertical plate this three parts
Dress just needs to prescind a part in intermediate two reinforcing ring inner ring, outer ring, and this cutting quantity needs strict control in order to avoid influencing
The mass action of reinforcing ring.The vertical plate and inner ring, outer ring for playing the fixed booster action of cabin use point method of valve group pair to reach
The purpose with uniform force is fitted closely to reinforcing ring and cabin.
3, the group of doorframe to welding：
The structure of doorframe is made of four and half arcs and four side plates, having a size of 1100mm × 1900mm × 50mm, circular arc
Overall dimensions be φ 1000mm × 1100mm cylinder, significant components of the doorframe as cabin, doorframe each section be use δ
The stainless steel plate of 50mm, in order to reach test requirements document, the welding of doorframe is particularly important.In order to guarantee the integrality of appearance entirety,
The various components of composing frame all using interior cut form, guarantee the verticality of each section, doorframe group to when need
On preprepared working plate is all fixed, it is deformed when welding in order to prevent, after working plate has all been fixed, is welding
It also needing to draw transverse bar plate and vertical bar plate in doorframe when connecing, welding link problem occurring can all influence the workbench of testpieces,
Problem is brought for subsequent assembly.
4, test platform：
(1) test platform：Test platform is the workbench for putting testpieces in high mould testing stand stratochamber, on workbench
There are hundreds of test specimen fixation holes, and the dimensional tolerance of test hole, position of related features and depth of parallelism requirement are special accurate, however conduct
Weldment to guarantee the higher depth of parallelism be it is very difficult, welded in the welding process using a large amount of toolings are fixed with reducing
Deformation in journey.
(2) acid wash passivation of test platform：
(a) to the workbench after manufacture completion by the requirement of pattern and technical papers, after gainer passed examination,
It just can be carried out pickling, passivation pretreatment.
(b) weld seam and its two sides welding slag, splash are cleaned out, the surface of workbench was machined so table
Face is using the dirts such as gasoline or cleaning agent removal grease stain.
(c) when removing weld seam two sides foreign matter, using stainless steel wire brush, stainless steel shovel or grinding wheel are removed, and removing is finished with net
Water (chloride ion content is no more than 25mg/l in water) washes away clean.
Preparation before cleaning ensure that the cleanliness after cleaning, and the process of another acid wash passivation can't be by workpiece itself
Thickness change, only the surface of workpiece can be cleaned, so pickling process will as far as possible exert oneself scrub.
5, the pre-installation debugging of hinge assembly：
Hatch door component is the important component of high mould testing stand stratochamber, the hatch door height 1100mm of experimental cabin, so setting altogether
There are 5 hinge assemblies, five hinge assemblies cooperate and flexibly freely open only during door-down switch, could not influence
The effect of experimental cabin does not play sealing function if hatch door cannot be switched flexibly, directly affects the effect tested in experimental cabin
Fruit is expected to reach test, and hinge assembly carries out pre-installation debugging when being welded to before cabin.
6, aperture：
The aperture of hatch door uses plasma aperture, but 1100 × 900 hatch door is opened in the cabin of 2000 diameters, just
It is important to note that the accuracy of the aperture for hatch door, by hatch door and cabin mutually to pass through picture good, make 1：1 template, is pressed
Plate is crossed in the same old way, plasma cut when cut along the inward flange of dimension line, then by doorframe group to arriving doorframe tapping,
The size of phase difference size is compared out, slowly reconditioning goes out the shape of final size.
7, frame members and cabin are welded：
To prevent frame members and cabin welding deformation, need that cross vertical and horizontal muscle will be pulled in cabin, due to door
Frame component is thick compared with cabin component very much, so the groove type used is double groove, to guarantee complete penetraction and fusion in welding.
8, test platform is into cabin：
The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, it is desirable that the depth of parallelism it is very accurate, this
The depth of parallelism of high request is exactly the accuracy for test result.However test platform is moved into experimental cabin, levelling is flat
Row degree can be described as the difficult point of manufacturing process, because test platform desktop δ 70mm other attachmentes in addition, manually adjust accurately
The depth of parallelism is impossible, so installing on the transverse slat of test platform small-sized before test platform is moved into experimental cabin
Adjusting block can be realized the depth of parallelism of micro Adjustment Tests platform, guarantee the preciseness of technical requirements.
1, high mould testing stand stratochamber technical parameter：
| Operating pressure | 0.1MPa | Design pressure | 0.15MPa |
| Container nominal diameter | Φ2000mm | Design temperature | 105℃ |
| Container total volume | 15m3 | Empty weight | 15 tons |
| Design life | 15 years | Rupture disk cracking pressure | 0.05MPa |
2, material explanation：
Main pressurized element material:Plate：06Cr19Ni10/GB24511-2009；
Forging：S30408Ⅱ/NB/T47010-2010.
Main pressurized element plate should check plate surface quality and marking on materials one by one, should have steel mill's quality of materials to prove
Book.
3, it welds:
It is required that banjo fixing butt jointing answers total cross-section to penetrate, the connector between adapter tube and shell uses complete penetraction and fusion in welding pattern.
Type of electrode：
E308-15 between low-alloy steel；
Submerged automatic arc welding wire：H08Cr21Ni10, solder flux：SJ601.
4, welding point non-destructive testing:
A, B class is carried out by NB/T47013.2-2015, detects length 100%, and qualified rank RT is not less than AB grades.
C, D, E class are carried out by NB/T47013.5-2015, PT, 100%, I grade of qualification of qualified rank.
5, pressure test：
Air tight test pressure：0.08MPa.
Claims (4)
1. a kind of manufacturing method of simulated experiment platform stratochamber, it is characterised in that include the following steps：
Step 1, cabin, the group of rear head are to installation：Main element weld when, front head be installed in all components it is laggard
Row welding；
Step 2, assembly reinforcing ring：The reinforcing ring of centre two of 4 groups of reinforcing rings of experimental cabin prescinds a part, vertical plate and inner ring, outer
Ring uses point method of valve group pair to achieve the purpose that reinforcing ring and cabin fits closely and uniform force；
Step 3, the group of doorframe to welding：Doorframe each section is the stainless steel plate using thickness 50mm, composing frame it is each
Component all using interior cut form, guarantees the verticality of each section, doorframe group to when need will be preprepared
Working plate is deformed when welding in order to prevent on all fixing, and after working plate has all been fixed, is also needed in welding in door
Transverse bar plate and vertical bar plate are drawn in frame；
Step 4, test platform：In the welding process using the fixed testing stand of tooling；To the workbench after manufacture completion by figure
The requirement of sample and technical papers just can be carried out pickling, passivation pretreatment after gainer passed examination；By weld seam and its two
Side welding slag, splash are cleaned out, and the surface of workbench removes grease stain dirt with gasoline；When removing weld seam two sides foreign matter, application
Stainless steel wire brush, stainless steel shovel or grinding wheel are removed, and removing is finished is washed away completely with water purification；
Step 5, the debugging of the pre-installation of hinge assembly：The hatch door height 1100mm of experimental cabin is equipped with 5 hinge assemblies, hinge altogether
Component carries out pre-installation debugging when being welded to before cabin；
Step 6, aperture：The aperture of hatch door uses plasma aperture, opens 1100 × 900 mm's in the cabin of 2000 mm diameters
Hatch door, by hatch door and cabin mutually to pass through picture good, make 1：1 template, crosses according to template, along dimension line when plasma cut
Inward flange cut, then by doorframe group to arrive doorframe tapping, compare out the size of phase difference size, reconditioning goes out final ruler
Very little shape；
Step 7, frame members and cabin are welded：Cross vertical and horizontal muscle will be pulled in cabin, the groove type used is two-sided slope
Mouthful, to guarantee complete penetraction and fusion in welding；
Step 8, test platform are into cabin：The depth of parallelism of the test platform on the basis of ground requires 300mm ± 0.1mm, and test is flat
Before platform moves into experimental cabin, the installation and adjustment block on the transverse slat of test platform can be realized micro Adjustment Tests platform
The depth of parallelism.
2. a kind of manufacturing method of simulated experiment platform stratochamber according to claim 1, it is characterised in that the step 1
In, cabin shape is cylindrical body, having a size of φ 2000mm × 4000mm.
3. a kind of manufacturing method of simulated experiment platform stratochamber according to claim 1, it is characterised in that the step 3
In, the structure of doorframe is made of four and half arcs and four side plates, having a size of 1100mm × 1900mm × 50mm, the entirety of circular arc
Cylinder having a size of φ 1000mm × 1100mm.
4. a kind of manufacturing method of simulated experiment platform stratochamber according to claim 1, it is characterised in that the step 4
In, chloride ion content is 0-25mg/l in water purification.
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Effective date of registration: 20190618 Address after: 110043 No. 3 Dongta Street, Dadong District, Shenyang City, Liaoning Province Patentee after: SHENYANG AEROSPACE XINGUANG PRESSURE VESSEL CO., LTD. Address before: 110043 No. 3 Dongta Street, Dadong District, Shenyang City, Liaoning Province Patentee before: Shenyang Aerospace Xinguang Group Co., Ltd. |