CN103317486B - Adjustable satellite protection bracket - Google Patents
Adjustable satellite protection bracket Download PDFInfo
- Publication number
- CN103317486B CN103317486B CN201310200036.XA CN201310200036A CN103317486B CN 103317486 B CN103317486 B CN 103317486B CN 201310200036 A CN201310200036 A CN 201310200036A CN 103317486 B CN103317486 B CN 103317486B
- Authority
- CN
- China
- Prior art keywords
- carry out
- adjustable
- adjustable screw
- satellite
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Heat Treatment Of Articles (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a kind of adjustable satellite protection bracket, comprise screw lock baffle ring (10), the base (11) of right angle connecting rod (1), upper bearing (metal) installing plate (5), axle-steel silk back-up ring (6), bearing mounting base (7), thrust ball bearing (8), adjustable screw (9), band retainer.The invention solves the barycenter of satellite and the safety of rotary inertia test, can realize can regulating along Z-direction, can carry out moving adjustment along X, Y both direction by base and installation connecting plate, the test of Multiple Type satellite rotary inertia and centroid position can be adapted to, and the present invention can realize the quick adjustment of satellite along Z-direction installation site, as long as rotation adjustable screw during adjustment gently just can realize, operating process is convenient.
Description
Technical field
The present invention relates to protective cradle, more particularly, relate to a kind of adjustable satellite protection bracket, especially a kind of highly reliable and can Fast Installation, adjustable for satellite protection device, key is that this device has high safety, Fast Installation.
Background technology
At present both at home and abroad the experimental rig of instrumented satellite mass property mainly adopts: satellite mass characteristic test fixture (being commonly called as L-type beam), frame frock, vertical frock and and other tooling combination carry out testing.Around the rotary inertia of Z axis and the test of centroid position, L-type beam mass property frock is adopted to realize, level at test process Satellite, the structural member of such satellite receives a very large moment of flexure, current domestic and international market does not have suitable supporting tool can address this problem yet.
So it is extremely urgent to solve the problem that when testing under level, satellite head end is sagging.Although also take a lot of measure in satellite assembly process to solve, effect is all not obvious.Have a strong impact on the safety of satellite like this, bring very large hidden danger to assemble of the satellite.Therefore be necessary to develop a kind of adjustable satellite protection bracket, to solve the needs of general assembly operating personnel in process of the test.
Do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
For deficiency of the prior art, the technical problem to be solved in the present invention is: for doing when the rotary inertia of Z axis, the test of centroid position and other tooling combination are tested at satellite, the problem that satellite head end is sagging.Safety problem when solving test in process.A kind of adjustable satellite protection bracket device is provided, improves the safety of assemble of the satellite, experiment work.
According to adjustable satellite protection bracket that this invention provides; comprise screw lock baffle ring 10, the base 11 of right angle connecting rod 1, upper bearing (metal) installing plate 5, axle-steel silk back-up ring 6, bearing mounting base 7, thrust ball bearing 8, adjustable screw 9, band retainer, wherein:
Right angle connecting rod 1, upper bearing (metal) installing plate 5, bearing mounting base 7, adjustable screw 9, base 11 connect successively, one end of adjustable screw 9 is arranged in bearing mounting base 7 by thrust ball bearing 8, axle-steel silk back-up ring 6 is arranged between one end of adjustable screw 9 and upper bearing (metal) installing plate 5, the inner ring of thrust ball bearing 8 is connected with one end of adjustable screw 9, the outer ring of thrust ball bearing 8 and bearing mounting base 7 tight fit connection, the other end of adjustable screw 9 is arranged in base 11 by the screw lock baffle ring 10 of band retainer.
Preferably, also comprise high-strength large hexagon head bolt used for steel structure 2, single coil spring lock washer light type 3, plain washer 4, wherein, described right angle connecting rod 1 is installed on upper bearing (metal) installing plate 5 by the high-strength large hexagon head bolt used for steel structure 2 that connects successively, single coil spring lock washer light type 3, plain washer 4.
Preferably, also comprise and install connecting plate 12, wherein, the bottom of described base 11 connects described installation connecting plate 12.
Preferably, the procedure of processing of described right angle connecting rod 1 comprises the steps:
Step 1): carry out temper to foundry goods after casting and eliminate casting stress, temperature is 720 DEG C, and the time is 6 hours, takes out product after cooling 24 hours with stove;
Step 2): roughing is carried out to foundry goods, cuts from foundry goods and remove more allowance, and put the allowance of 2mm ~ 3mm, reach preliminary machining accuracy and lower processing fineness;
Step 3): carry out a de-stress process after roughing;
Step 4): after roughing and de-stress process, carry out the semifinishing between roughing and fine finishining;
Step 5): carry out a stabilization processes again after semifinishing;
Step 6): carry out fine finishining again after being disposed, make the machining accuracy of each shelves size all will reach designing requirement;
Step 7): finally carry out hard anodized process again to provide case hardness.
Preferably, the procedure of processing of described adjustable screw 9 comprises the steps:
First carry out roughing by the shape requirement of drawing, put allowance 1mm ~ 2mm, then carry out modifier treatment, make materials microstructure structure become tempered sorbite tissue; After modifier treatment, then carrying out semifinishing, in process, put grinding allowance 0.2mm ~ 0.3mm, in order to improve wearability and stability, before fine finishining, adopting nitrogen treatment; Finally carry out grinding fine finishining.
Preferably, the procedure of processing of described installation connecting plate 12 comprises the steps:
After machining, entirety carries out surface chill anodization, wherein, chill anodization specifically in 25% sulfuric acid solution, temperature when 10, through powered anode process in 2.5 hours; After chill anodization, make piece surface generate the corrosion-resistant oxide-film of one deck, oxidation film layer is: the alundum (Al2O3) hard layer of 45 ~ 50 microns.
Preferably, the upper end of described right angle connecting rod 1 has multiple mounting hole, and the wide of mounting hole is 12.5 ㎜, and length is 16 ㎜, guarantees that the connecting bolt of M12 has the adjustment space of 4 ㎜ when installing.
Preferably, described adjustable screw 9 comprises a primary structural component and a nut, and nut spot welding is welded in primary structural component.
Preferably, described base 11 has multiple mounting hole, the wide of mounting hole is 12.5 ㎜, and length is 28 ㎜, has the adjustment space of 16 ㎜ when guaranteeing that the connecting bolt of M12 is installed along Y direction.
Preferably, screw connecting plate 12 having multiple M12 is installed, guarantees the installation of the connecting bolt of M12, to meet plurality of installation forms in X direction.
Compared with prior art, beneficial effect of the present invention is as follows:
1. improve the reliability of Satellite Experiment, security;
2. can save time and the manpower of test;
3. adapt to the satellite rotary inertia of different size and the test of centroid position;
4. operating process is convenient.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is adjustable protective rack assumption diagram;
Fig. 2 is right angle connecting rod structure chart;
Fig. 3 is adjustable screw structure chart;
Fig. 4 is understructure figure;
Fig. 5 is for installing connecting board structure figure;
Fig. 6 is the processing process of right angle connecting rod;
Fig. 7 is the processing process of adjustable screw.
In figure:
1 is right angle connecting rod;
2 is high-strength large hexagon head bolt used for steel structure;
3 is single coil spring lock washer light type;
4 is plain washer;
5 is upper bearing (metal) installing plate;
6 is axle-steel silk back-up ring;
7 is bearing mounting base
8 is thrust ball bearing;
9 is adjustable screw;
10 for being with the screw lock baffle ring of retainer
11 is base;
12 for installing connecting plate.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
Adjustable satellite protection bracket of the present invention is that a kind of height can regulate, length can increase, installation site can change, has feature lightweight, easy for installation, at assemble of the satellite, tests a kind of device reaching safeguard protection effect.General assembly operating personnel can install satellite protection bracket rapidly, have the feature of installation, adjustment, convenient disassembly, can guarantee the safety of Satellite Experiment like this.
According to adjustable protective supporting structure provided by the invention as shown in Figure 1, described adjustable protective support is primarily of the part composition such as screw lock baffle ring 10, base 11, installation connecting plate 12 of right angle connecting rod 1, high-strength large hexagon head bolt used for steel structure 2, single coil spring lock washer light type 3, plain washer 4, upper bearing (metal) installing plate 5, axle-steel silk back-up ring 6, bearing mounting base 7, thrust ball bearing (51106) 8, adjustable screw 9, band retainer.Wherein, plain washer is preferably plain washer-C level.
Described right angle connecting rod 1 is vital part, and right angle connecting rod 1 directly contacts with satellite, so material adopts Birmasil, because Birmasil is lightweight, machinability is good, not yielding, easily processes.Processing process is shown in Fig. 6, and processing technology is: 1) carry out temper to foundry goods after casting and eliminate casting stress, temperature is about 720 DEG C, and the time is 6 hours, takes out product after cooling 24 hours with stove.2) roughing is carried out to foundry goods, cut from foundry goods and remove more allowance, and put the allowance of 2mm ~ 3mm, reach preliminary machining accuracy and lower processing fineness.3) a de-stress process is carried out after roughing, 4) after roughing and de-stress process, carry out the semifinishing between roughing and fine finishining, accurately machined machining accuracy can be guaranteed.5) stabilization processes is carried out again after semifinishing.6) carry out fine finishining again after being disposed, fine finishining all will reach designing requirement for the machining accuracy of each shelves size.7) finally carry out hard anodized process again, after adopting hard anodized process after processing, overcome the defect that cast aluminium is not wear-resisting, case hardness improves greatly.
The trade mark that described high-strength large hexagon head bolt used for steel structure 2 selects corrosion resistance high is 1Cr18Ni9Ti titaniferous stainless steel.
Described single coil spring lock washer light type 3 selects the board with enough plasticity and toughness to be: 65Mn/GB/T3078-1994 spring steel wire.
Described plain washer 4 selects the trade mark with enough plasticity and toughness to be 45(GB702-86) carbon constructional quality steel make.
Described upper bearing (metal) installing plate 5 selects the trade mark with enough plasticity and toughness to be 45(GB702-86) carbon constructional quality steel make.
Described axle-steel silk back-up ring 6 selects the board with enough plasticity and toughness to be: 65Mn/GB/T3078-1994 spring steel wire.
Described bearing mounting base 7 selects the trade mark with enough plasticity and toughness to be 45(GB702-86) carbon constructional quality steel make.
Described thrust ball bearing (51106) 8 is arranged between bearing mounting base 7 and adjustable screw 9, the outer ring of thrust ball bearing 8 and bearing mounting base 7 tight fit connection, the inner ring of thrust ball bearing 8 is connected with adjustable screw 9, a pair thrust ball bearing is supported on the two ends of adjustable screw 9, achieve the rotation of adjustable screw 9 and improve the rigidity of this mechanism, making adjustable screw 9 can bear barycenter and the rotary inertia test of large weight satellite.
Described adjustable screw 9 is critical components in support provided by the present invention, it is again a main stressed part, in order to ensure intensity, the requirement such as wearability and toughness of adjustable screw 9, adjustable screw 9 first carries out roughing by the shape requirement of drawing, in order to prevent distortion, put allowance 1mm ~ 2mm, then carry out modifier treatment, make materials microstructure structure become tempered sorbite tissue to improve the intensity of body, plasticity and toughness.After modifier treatment, then carrying out semifinishing, in process, put grinding allowance 0.2mm ~ 0.3mm, in order to improve wearability and stability, before fine finishining, adopting nitrogen treatment.Loop bar case hardness (i.e. Rockwell hardness) after via nitride process reaches RC50, has very strong wearability, improves its fatigue strength (improving about 25%) simultaneously.Finally carry out grinding fine finishining.In order to strengthen adjustable screw 9 intensity and wearability, concrete processing process operates by the adjustable screw processing process shown in Fig. 7.
The screw lock baffle ring 10 of described band retainer selects the trade mark with enough plasticity and toughness to be 45(GB702-86) carbon constructional quality steel make.Guarantee that adjustable screw 9 does not depart from base 11, the screw lock baffle ring 10 of locking belt retainer after installing, the screw lock baffle ring 10 of band retainer can be locked in adjustable screw 9 securely.
Described base 11 selects that corrosion resistance is high, to be out of shape the little trade mark be that 3Cr18Ni7Si2 martensite type stainless steel carries out processing and fabricating, and after processing and fabricating, the stability of accessory size is fine, and after processing, the precision of accessory size does not decline.
Described installation connecting plate 12 selects the trade mark of good stability to be 7A04 extra super duralumin alloy, and the air-tightness of 7A04 extra super duralumin alloy is good, lightweight, machinability is all good, and after machining, entirety carries out surface chill anodization.Chill process is in 25% sulfuric acid solution, temperature when 10, after powered anode process in 2.5 hours.After chill anodization, make piece surface generate the corrosion-resistant oxide-film of one deck, oxidation film layer is: the alundum (Al2O3) (AL of 45 ~ 50 microns
2o
3) hard layer, also can not produce scuffing with little knife delineation.Fineness simultaneously through chill anodization rear surface also improves one-level (5 microns), and its hardness reaches HRC45 ~ 50.
As shown in Figure 2, the upper end of right angle connecting rod 1 has two mounting holes to the structure chart of described right angle connecting rod, and the wide of mounting hole is 12.5 ㎜, and length is 16 ㎜, guarantees that the connecting bolt of M12 has the adjustment space of 4 ㎜ when installing.Lower end has the circular hole of four φ 12.5 ㎜ to be connected with installation connecting plate 12.Right angle connecting rod has 5 kinds of specifications, the length of right angle connecting rod respectively: 138 ㎜, 218 ㎜, 280 ㎜, 358 ㎜ and 468 ㎜, can adapt to barycenter and the rotary inertia test of the different model satellite of 5 kinds of sizes.
As shown in Figure 3, adjustable screw 9 is critical components in support provided by the present invention to the structure chart of described adjustable screw 9, is again a main stressed part, and adjustable screw 9 is primarily of a primary structural component and a nut composition.Installation process is: two thrust ball bearings (51106) 8 are arranged on bearing mounting base 7 and primary structural component by the first step; Axle-steel silk back-up ring 6 is arranged on primary structural component by second step, ensures that thrust ball bearing (51106) 8 is installed securely; Upper bearing (metal) installing plate 5 is arranged on bearing mounting base 7 also by spot-welded by the 3rd step; A nut is arranged on primary structural component also by spot-welded by the 4th step; The adjustable screw 9 assembled is installed to base 11 by the 5th step; The screw lock baffle ring 10 of band retainer is installed to the lower end of adjustable screw 9 and locks by the 5th step.
The structure chart of described base 11 as shown in Figure 4, base 11 has four mounting holes, and the wide of mounting hole is 12.5 ㎜, and length is 28 ㎜, has the adjustment space of 16 ㎜ when guaranteeing that the connecting bolt of M12 is installed along Y direction.
The structure chart of described installation connecting plate 12 as shown in Figure 5, is installed screw connecting plate 12 having 12 M12, is guaranteed the installation of the connecting bolt of M12.Can meet simultaneously and have 5 kinds of installation forms in X direction.
The invention solves the barycenter of satellite and the safety of rotary inertia test, the present invention can realize can regulating along Z-direction, can carry out moving adjustment along X, Y both direction by base and installation connecting plate, the test of Multiple Type satellite rotary inertia and centroid position can be adapted to, and the present invention can realize the quick adjustment of satellite along Z-direction installation site, as long as rotation adjustable screw during adjustment gently just can realize.The more important thing is that general assembly operating personnel are more convenient when installing satellite, saving a large amount of time and personnel, installing a satellite in the past needs 5 ~ 6 people, and installation in 3 ~ 4 hours just can complete.Only need 2 people now, within 20 ~ 30 minutes, just can install.This device is subject to the welcome of general assembly operating personnel.Therefore present invention ensures that the safety of Satellite Experiment, improve the reliability of Satellite Experiment, security, can adapt to the satellite rotary inertia of different size and the test of centroid position, operating process is convenient simultaneously.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (3)
1. an adjustable satellite protection bracket; it is characterized in that; comprise screw lock baffle ring (10), the base (11) of right angle connecting rod (1), upper bearing (metal) installing plate (5), axle-steel silk back-up ring (6), bearing mounting base (7), thrust ball bearing (8), adjustable screw (9), band retainer, wherein:
Right angle connecting rod (1), upper bearing (metal) installing plate (5), bearing mounting base (7), adjustable screw (9), base (11) connects successively, one end of adjustable screw (9) is arranged in bearing mounting base (7) by thrust ball bearing (8), axle-steel silk back-up ring (6) is arranged between one end of adjustable screw (9) and upper bearing (metal) installing plate (5), the inner ring of thrust ball bearing (8) is connected with one end of adjustable screw (9), the outer ring of thrust ball bearing (8) and bearing mounting base (7) tight fit connection, the other end of adjustable screw (9) is arranged in base (11) by the screw lock baffle ring (10) of band retainer,
Also comprise high-strength large hexagon head bolt used for steel structure (2), single coil spring lock washer light type (3), plain washer (4), wherein, described right angle connecting rod (1) is installed on upper bearing (metal) installing plate (5) by the high-strength large hexagon head bolt used for steel structure (2) that connects successively, single coil spring lock washer light type (3), plain washer (4);
Also comprise and install connecting plate (12), wherein, the bottom of described base (11) connects described installation connecting plate (12);
The procedure of processing of described installation connecting plate (12) comprises the steps:
After machining, entirety carries out surface chill anodization, wherein, chill anodization specifically in 25% sulfuric acid solution, temperature when 10, through powered anode process in 2.5 hours; After chill anodization, make piece surface generate the corrosion-resistant oxide-film of one deck, oxidation film layer is: the alundum (Al2O3) hard layer of 45 ~ 50 microns;
The upper end at described right angle connecting rod (1) has multiple mounting hole, and the wide of mounting hole is 12.5 ㎜, and length is 16 ㎜, guarantees that the connecting bolt of M12 has the adjustment space of 4 ㎜ when installing;
Described adjustable screw (9) comprises a primary structural component and a nut, and nut spot welding is welded in primary structural component;
(11) have multiple mounting hole to described base, and the wide of mounting hole is 12.5 ㎜, and length is 28 ㎜, have the adjustment space of 16 ㎜ when guaranteeing that the connecting bolt of M12 is installed along Y direction;
Screw connecting plate (12) having multiple M12 is installed, guarantees the installation of the connecting bolt of M12, to meet plurality of installation forms in X direction.
2. adjustable satellite protection bracket according to claim 1, is characterized in that, the procedure of processing at described right angle connecting rod (1) comprises the steps:
Step 1): carry out temper to foundry goods after casting and eliminate casting stress, temperature is 720 DEG C, and the time is 6 hours, takes out product after cooling 24 hours with stove;
Step 2): roughing is carried out to foundry goods, cuts from foundry goods and remove more allowance, and put the allowance of 2mm ~ 3mm, reach preliminary machining accuracy and lower processing fineness;
Step 3): carry out a de-stress process after roughing;
Step 4): after roughing and de-stress process, carry out the semifinishing between roughing and fine finishining;
Step 5): carry out a stabilization processes again after semifinishing;
Step 6): carry out fine finishining again after being disposed, make the machining accuracy of each shelves size all will reach designing requirement;
Step 7): finally carry out hard anodized process again to provide case hardness.
3. adjustable satellite protection bracket according to claim 1, is characterized in that, the procedure of processing of described adjustable screw (9) comprises the steps:
First carry out roughing by the shape requirement of drawing, put allowance 1mm ~ 2mm, then carry out modifier treatment, make materials microstructure structure become tempered sorbite tissue; After modifier treatment, then carrying out semifinishing, in process, put grinding allowance 0.2mm ~ 0.3mm, in order to improve wearability and stability, before fine finishining, adopting nitrogen treatment; Finally carry out grinding fine finishining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200036.XA CN103317486B (en) | 2013-05-24 | 2013-05-24 | Adjustable satellite protection bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310200036.XA CN103317486B (en) | 2013-05-24 | 2013-05-24 | Adjustable satellite protection bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103317486A CN103317486A (en) | 2013-09-25 |
| CN103317486B true CN103317486B (en) | 2015-11-18 |
Family
ID=49186684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310200036.XA Active CN103317486B (en) | 2013-05-24 | 2013-05-24 | Adjustable satellite protection bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103317486B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935531B (en) * | 2014-04-15 | 2016-01-20 | 北京控制工程研究所 | A kind of two-dimensional vector regulating mechanism |
| CN104374520A (en) * | 2014-10-31 | 2015-02-25 | 上海卫星装备研究所 | Light adjusting device capable of vertically moving |
| CN109604957A (en) * | 2018-12-14 | 2019-04-12 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of processing method of the open thin-wall titanium alloy part of high-precision configuration |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213330A (en) * | 1977-10-28 | 1980-07-22 | Kurt Beckel | Machine for measuring the moments of inertia |
| DE29916650U1 (en) * | 1999-09-22 | 2000-03-02 | Maier, Hubert, 83052 Bruckmühl | Adjustable trestle, for holding reinforcement stirrups |
| CN2781063Y (en) * | 2004-12-02 | 2006-05-17 | 上海卫星工程研究所 | Rolling bearing for satellite rotation platform |
| CN102601781A (en) * | 2012-03-30 | 2012-07-25 | 苏州光福冶金铸造有限责任公司 | Height-adjustable working platform |
| CN102642191A (en) * | 2011-12-15 | 2012-08-22 | 上海卫星工程研究所 | Device for satellite assembly |
| CN102642190A (en) * | 2011-12-15 | 2012-08-22 | 上海卫星工程研究所 | Separation preventing device for screw |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002265189A (en) * | 2001-03-06 | 2002-09-18 | Mitsubishi Materials Corp | Television set disassembling work bench and method therefor |
-
2013
- 2013-05-24 CN CN201310200036.XA patent/CN103317486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213330A (en) * | 1977-10-28 | 1980-07-22 | Kurt Beckel | Machine for measuring the moments of inertia |
| DE29916650U1 (en) * | 1999-09-22 | 2000-03-02 | Maier, Hubert, 83052 Bruckmühl | Adjustable trestle, for holding reinforcement stirrups |
| CN2781063Y (en) * | 2004-12-02 | 2006-05-17 | 上海卫星工程研究所 | Rolling bearing for satellite rotation platform |
| CN102642191A (en) * | 2011-12-15 | 2012-08-22 | 上海卫星工程研究所 | Device for satellite assembly |
| CN102642190A (en) * | 2011-12-15 | 2012-08-22 | 上海卫星工程研究所 | Separation preventing device for screw |
| CN102601781A (en) * | 2012-03-30 | 2012-07-25 | 苏州光福冶金铸造有限责任公司 | Height-adjustable working platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103317486A (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103317486B (en) | Adjustable satellite protection bracket | |
| US8771590B2 (en) | Titanium base alloy | |
| Thomas et al. | The effect of shot peening on the microstructure and properties of a near-alpha titanium alloy following high temperature exposure | |
| Shankar et al. | Low cycle fatigue and thermo-mechanical fatigue behavior of modified 9Cr–1Mo ferritic steel at elevated temperatures | |
| CN102205479A (en) | Process for controlling deformation of axle-hung box of locomotive | |
| Gao et al. | Microstructure and properties of surfacing layers of dies manufactured by bimetal-gradient-layer surfacing technology before and after service | |
| ES2653438T3 (en) | Welding material for the super alloy soldier | |
| Wu et al. | Microstructure characterization and quasi-static failure behavior of resistance spot welds of AA6111-T4 aluminum alloy | |
| Yamada et al. | Effects of alloying elements on the hardenability, toughness and the resistance of stress corrosion cracking in 1 to 3 mass% Cr low alloy steel | |
| CN109794725A (en) | A kind of large size Frame Welding positioning tire and welding technique | |
| CN103017977B (en) | Light quality characteristic frame structure device | |
| Devendranath Ramkumar et al. | Influence of filler metals in the control of deleterious phases during the multi-pass welding of Inconel 718 plates | |
| CN209706714U (en) | Detection device for distance between centers of two in a kind of connecting rod blank | |
| CN105014201A (en) | Repair welding method performed through pressurized water reactor nuclear grade casting dissimilar material | |
| 赵彦华 et al. | Research on microstructure properties and wear and corrosion resistance of FeCr repaired coating on KMN steel by laser cladding | |
| CN213335839U (en) | Surface contour detection equipment | |
| CN109277453A (en) | It is a kind of for producing the punching tool and its surface treatment method of automobile connecting bar | |
| CN108913860A (en) | A kind of high-intensitive rod iron heat treatment method of aircraft for processing criterion hydrogen embrittlement stick | |
| CN104816090A (en) | Laser machine tool | |
| CN112760575A (en) | Aviation fastener and preparation method thereof | |
| CN105483494A (en) | Ageing strengthening type iron nickel base corrosion resistant alloy easily processed into thick-walled seamless tube | |
| Wei et al. | Fracture behavior of 304 stainless steel coatings by cold gas dynamic spray | |
| CN110789845A (en) | Spacing protection frock of installation section | |
| CN216192802U (en) | Adjusting tool for rapid loading and unloading of large tubular aluminum alloy parts through anodic oxidation | |
| CN101020993A (en) | Cryogenic treating process for aluminium-base, Zinc-base and copper-base axle bush |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |