CN105509994A - Knot making and buckling method for protection wire of low-speed wind tunnel flutter testing model - Google Patents
Knot making and buckling method for protection wire of low-speed wind tunnel flutter testing model Download PDFInfo
- Publication number
- CN105509994A CN105509994A CN201510849132.6A CN201510849132A CN105509994A CN 105509994 A CN105509994 A CN 105509994A CN 201510849132 A CN201510849132 A CN 201510849132A CN 105509994 A CN105509994 A CN 105509994A
- Authority
- CN
- China
- Prior art keywords
- segment
- lap
- joint
- paragraph
- guard wire
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a know making and buckling method for a protection wire of a low-speed wind tunnel flutter testing model. The method comprises: step one, a knotting position and a connecting point position of a protection wire are determined; step two, the protection wire is processed to form a first segment and a second segment; step three, the first segment and the second segment are overlapped and wound to enable the first segment and the second segment to form a knot in an overlapping and winding mode, wherein the know is located at the knotting position and has a circular ring and a watershed line overlapped on the circular ring, the circular ring is segmented into a first half ring and a second half ring by the projection of the watershed line on the circular ring, and the second segment passes through the first half ring, crosses over the watershed line and extends out of the second half ring. With the method, the knotting position of the knotted protection wire is prevented from shifting due to mutual pressing, buckling and friction of wire parts in the knot and the friction is increased when the wire is stretched tightly; and when the protection wire is loosened, the knot releasing becomes convenient. Therefore, the length of the protection wire can be adjusted easily to adapt to the change of the model balancing position.
Description
Technical field
The present invention relates to wind-tunnel flutter test technical field, particularly relating to that a kind of low-speed wind tunnel flutter test model guard wire knots is method, low-speed wind tunnel flutter test model guard wire and wind-tunnel flutter test system.
Background technology
In low-speed wind tunnel flutter test process, damage for avoiding model and reach nonexpondable object, usually adopt guard wire to protect model.During blowing test, guard wire is in relaxed state; When flutter occurs, the Oscillation Amplitude of model sharply expands, and likely causes model to destroy, and at this moment will lose no time to strain guard wire, protection model.For playing good protection effect, guard wire many employings seizing wire.Existing two kinds of comparatively conventional fixed forms, one is by end system fast knot, another kind be by guard wire repeatedly inflection be then wound around with soft iron wire and reach fixed effect.But be mode very inconvenience in adjustment knot location process of fast knot, and make the mode reliability of soft iron wire poor, guard wire play, inefficacy may be occurred.Existing conventional fixed form effect is unsatisfactory thus, brings very big inconvenience to test.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Summary of the invention
The object of the present invention is to provide a kind of low-speed wind tunnel flutter test model guard wire to knot is that method overcomes or at least alleviates at least one the above-mentioned defect in prior art.
For achieving the above object, the invention provides that a kind of low-speed wind tunnel flutter test model guard wire knots is method, and it is that method comprises the steps: that described low-speed wind tunnel flutter test model guard wire knots
Step 1: according to model, determines knot position and the tie point position of guard wire;
Step 2: centered by tie point position, bending guard wire, makes guard wire form first paragraph and second segment;
Step 3: described first paragraph and the mutual lap wound of described second segment, thus described first paragraph and described second segment are formed by the mode of lap wound knot, this knot be positioned at described in knot position; Described knotting has an annulus and a watershed line, described watershed line is folded to be located on described annulus, described annulus is divided into the first semi-ring and the second semi-ring by described watershed line in the projection of described annulus, described second segment passes described first semi-ring and strides across described watershed line, thus stretches out from the second semi-ring.
Preferably, described first paragraph and the mutual lap wound of described second segment are specifically comprised the steps: in described step 3
Step 31: by first paragraph overlap joint to second segment, thus make first paragraph and second segment lap-joint to described tie point position formed one in tripleplane direction at least one direction be closed circle, wherein, first paragraph is the first segment from described first paragraph and second segment lap-joint to described tie point position, described first paragraph from described first paragraph and second segment lap-joint to being the second segment away from described tie point position, described second segment is the 3rd segment from described first paragraph and second segment lap-joint to described tie point position, described second segment from described first paragraph and second segment lap-joint to being the 4th segment away from described tie point position,
Step 32: by the first segment described in described 4th segment lap wound, thus form the second lap-joint; Described 4th segment is divided into the 4th segment first paragraph and the 4th segment second segment by described second lap-joint;
Step 33: described 4th segment second segment is striden across described 3rd segment, thus form the 3rd lap-joint, described 4th segment second segment is divided into the 4th segment second segment first segment and the 4th segment second segment second segment by described 3rd lap-joint; Now, described 4th segment second segment second segment is taken and is placed on described second segment, and its overlap joint taking the 3rd lap-joint that the overlap joint order of the second lap-joint that the overlap joint order, described 4th segment and described first segment that put forward sequence and described first paragraph and described second segment is formed and described 4th segment second segment and described 3rd segment are formed sequentially is contrary;
Step 34: described 4th segment second segment first segment of described second segment overlap joint, thus form the 4th lap-joint, from described 4th lap-joint, 3rd segment described in described second segment lap wound, form the 5th lap-joint, described second segment is contrary with the overlap joint order of the 5th lap-joint that the 3rd segment described in described second segment lap wound is formed in the overlap joint order of described 4th lap-joint with described 4th segment second segment first segment; Described second segment is separated into the second segment first paragraph and the second segment second segment by described 5th lap-joint;
Step 35: the circle that described second segment second segment surrounds through described 3rd lap segment-four segment first paragraph-four segment second segment, and pass in this circle.
Present invention also offers a kind of low-speed wind tunnel flutter test model guard wire, described low-speed wind tunnel flutter test model guard wire is the low-speed wind tunnel flutter test model guard wire that method is formed for employing low-speed wind tunnel flutter test as above model guard wire knots.
Present invention also offers a kind of wind-tunnel flutter test system, described wind-tunnel flutter test system comprises wind-tunnel, flutter model and low-speed wind tunnel flutter test model guard wire as above, and described flutter model is arranged in described wind-tunnel by described low-speed wind tunnel flutter test model guard wire.
Adopting low-speed wind tunnel flutter test model guard wire of the present invention to knot is method, and direct bearing guard wire makes knot location not play by the mutual clinching of cotton rope in knot and friction, draws more friction-tight power is larger; When guard wire is in releasing orientation, trip conveniently, be easy to adjustment guard wire length with the change of adaptive model equilibrium position.
Accompanying drawing explanation
Fig. 1 is that to be knotted by low-speed wind tunnel flutter test model guard wire be according to an embodiment of the invention the structural representation of protective rope after method completes.
Fig. 2 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 1 knots the separate operations schematic diagram of the protective rope being method.
Fig. 3 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 2 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 3, step is after step shown in Fig. 2.
Fig. 4 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 3 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 4, step is after step shown in Fig. 3.
Fig. 5 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 4 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 5, step is after step shown in Fig. 4.
Reference numeral:
| 1 | Tie point position | 12 | 4th segment |
| 2 | First paragraph | 13 | Second lap-joint |
| 3 | Second segment | 121 | 4th segment first paragraph |
| 4 | Knot position | 122 | 4th segment second segment |
| 5 | Watershed line | 14 | 3rd lap-joint 2--> |
| 6 | First semi-ring | 1221 | 4th segment second segment first segment |
| 7 | Second semi-ring | 1222 | 4th segment second segment second segment |
| 8 | First paragraph and second segment lap-joint | 15 | 4th lap-joint |
| 9 | First segment | 16 | 5th lap-joint |
| 10 | Second segment | 101 | Second segment first paragraph |
| 11 | 3rd segment | 102 | Second segment second segment |
Embodiment
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention; it will be appreciated that; term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limiting the scope of the invention.
Fig. 1 is that to be knotted by low-speed wind tunnel flutter test model guard wire be according to an embodiment of the invention the structural representation of protective rope after method completes.
Fig. 2 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 1 knots the separate operations schematic diagram of the protective rope being method.
Fig. 3 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 2 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 3, step is after step shown in Fig. 2.
Fig. 4 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 3 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 4, step is after step shown in Fig. 3.
Fig. 5 is that low-speed wind tunnel flutter test model guard wire embodiment illustrated in fig. 4 knots the separate operations schematic diagram of the protective rope being method, and wherein, shown in Fig. 5, step is after step shown in Fig. 4.
Be understandable that, the step corresponding to above-mentioned figure is not corresponding with the step 1 described in the word in the present invention, step 2 and even other steps, just carries out legend with a kind of decomposed form.
It is that method comprises the steps: step 1 that low-speed wind tunnel flutter test model guard wire of the present invention knots: according to model, determines knot position and the tie point position 1 of guard wire; Step 2: centered by tie point position 1, bending guard wire, makes guard wire form first paragraph 2 and second segment 3; Step 3: first paragraph 2 and second segment 3 lap wound mutually, thus first paragraph 2 and second segment 3 are formed by the mode of lap wound knot, this knots and is positioned at position 4 place that knots; Knot and there is an annulus and a watershed line 5, watershed line 5 is folded to be located on annulus, annulus is divided into the first semi-ring 6 and the second semi-ring 7 by watershed line 5 in the projection of annulus, and second segment 3 passes the first semi-ring 6 and strides across watershed line 5, thus stretches out from the second semi-ring 7.
In the present embodiment, first paragraph and the mutual lap wound of second segment are specifically comprised the steps: in step 3
Step 31: first paragraph 2 is overlapped to second segment 3, thus make first paragraph and second segment lap-joint 8 to tie point position 1 formed one in tripleplane direction at least one direction be closed circle, wherein, first paragraph 2 is the first segment 9 from first paragraph and second segment lap-joint 8 to tie point position 1 place, first paragraph 2 from first paragraph and second segment lap-joint 8 to being the second segment 10 away from tie point position 1 place, second segment 3 is the 3rd segment 11 from first paragraph and second segment lap-joint 8 to tie point position 1 place, second segment 3 from first paragraph and second segment lap-joint 8 to being the 4th segment 12 away from tie point position 1 place,
Step 32: by the 4th segment 12 lap wound first segment 9, thus form the second lap-joint 13; 4th segment 12 is divided into the 4th segment first paragraph 121 and the 4th segment second segment 122 by the second lap-joint 13;
Step 33: the 4th segment second segment 122 is striden across the 3rd segment 11, thus the 4th segment second segment 122 is divided into the 4th segment second segment first segment 1221 and the 4th segment second segment second segment 1222 by formation the 3rd lap-joint 14 of lap-joint the 14, three; Now, 4th segment second segment second segment 1222 is taken and is placed on the second segment 10, and its overlap joint taking the 3rd lap-joint 14 that the overlap joint order of the second lap-joint 13 that the overlap joint order, the 4th segment 12 that put forward sequence and first paragraph 2 and second segment 3 is formed with described first segment 9 and the 4th segment second segment 122 are formed with the 3rd segment 11 is sequentially contrary;
Step 34: the second segment 10 overlaps the 4th segment second segment first segment 1221, thus form the 4th lap-joint 15, from the 4th lap-joint 15, second segment 10 lap wound the 3rd segment 11, form the 5th lap-joint 16, second segment 10 contrary with the overlap joint order of the 5th lap-joint 16 that the second segment 10 lap wound the 3rd segment 11 is formed in the overlap joint order of the 4th lap-joint 15 with the 4th segment second segment first segment 1221; Second segment 10 is separated into the second segment first paragraph 101 and the second segment second segment 102 by the 5th lap-joint 15;
Step 35: the circle that the second segment second segment 102 surrounds through the 3rd lap segment-four segment first paragraph-four segment second segment, and pass in this circle.
Be understandable that, the application is the application of method class, and relate to concrete operations, therefore, in describing, just conveniently understand, thus with the further segmentation among the first paragraph of Structure type form description, second segment and even each segment and each segment, wherein each section is in real time all integrated, and namely when the non-tying of whole guard wire, it is one whole line.
As above, some in the application describes, such as, shown in Fig. 3, first paragraph and second segment lap-joint 8 only appear in some step.Such as, appear in step 31, and not as during Structure type describes, exist always.When carrying out other steps, this first paragraph and second segment lap-joint can change position.
Be understandable that, in foregoing description, the implication about overlap joint is: first paragraph and second segment have point of crossing at projecting direction.And in practice, both are stacked together, thus make to there is position relationship between the two.Such as, in fig. 2, first paragraph overlap joint is to second segment, first paragraph is positioned on second segment (Figure 2 shows that example, first paragraph and second segment lap-joint define one overlapping, it is two-layer that this overlap makes first paragraph and second segment be formed, and first paragraph is located at the one deck can seen in the figure shown in Fig. 2), same, the implication of the overlap joint of other positions is also as above-mentioned.
Present invention also offers a kind of low-speed wind tunnel flutter test model guard wire, low-speed wind tunnel flutter test model guard wire is the low-speed wind tunnel flutter test model guard wire that method is formed for employing low-speed wind tunnel flutter test as above model guard wire knots.
Present invention also offers a kind of wind-tunnel flutter test system, wind-tunnel flutter test system comprises wind-tunnel, flutter model and low-speed wind tunnel flutter test model guard wire as above, and described flutter model is arranged in described wind-tunnel by described low-speed wind tunnel flutter test model guard wire.
Finally it is to be noted: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit.Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (4)
1. low-speed wind tunnel flutter test model guard wire knots is a method, it is characterized in that, it is that method comprises the steps: that described low-speed wind tunnel flutter test model guard wire knots
Step 1: according to model, determines the position that knots (4) and tie point position (1) of guard wire;
Step 2: centered by tie point position (1), bending guard wire, makes guard wire form first paragraph (2) and second segment (3);
Step 3: described first paragraph (2) and described second segment (3) lap wound mutually, thus described first paragraph (2) and described second segment (3) are formed by the mode of lap wound knot, this knot be positioned at described in knot position (4) place; Described knotting has an annulus and a watershed line (5), described watershed line (5) is folded to be located on described annulus, described annulus is divided into the first semi-ring (6) and the second semi-ring (7) by described watershed line (5) in the projection of described annulus, described second segment (3) is through described first semi-ring (6) and stride across described watershed line (5), thus stretches out from the second semi-ring (7).
2. low-speed wind tunnel flutter test model guard wire as claimed in claim 1 knots is method, it is characterized in that, described first paragraph and the mutual lap wound of described second segment specifically being comprised the steps: in described step 3
Step 31: by first paragraph (2) overlap joint to second segment (3), thus make first paragraph and second segment lap-joint (8) to described tie point position (1) formed one in tripleplane direction at least one direction be closed circle, wherein, first paragraph (2) is the first segment (9) from described first paragraph and second segment lap-joint (8) to described tie point position (1) place, described first paragraph (2) from described first paragraph and second segment lap-joint (8) to being the second segment (10) away from described tie point position (1) place, described second segment (3) is the 3rd segment (11) from described first paragraph and second segment lap-joint (8) to described tie point position (1) place, described second segment (3) from described first paragraph and second segment lap-joint (8) to being the 4th segment (12) away from described tie point position (1) place,
Step 32: by the first segment (9) described in described 4th segment (12) lap wound, thus form the second lap-joint (13); Described 4th segment (12) is divided into the 4th segment first paragraph (121) and the 4th segment second segment (122) by described second lap-joint (13);
Step 33: described 4th segment second segment (122) is striden across described 3rd segment (11), thus forming the 3rd lap-joint (14), described 4th segment second segment (122) is divided into the 4th segment second segment first segment (1221) and the 4th segment second segment second segment (1222) by described 3rd lap-joint (14); Now, described 4th segment second segment second segment (1222) is taken and is placed on described second segment (10), and the overlap joint of the 3rd lap-joint (14) that the overlap joint order of the second lap-joint (13) that it takes the overlap joint order putting forward sequence and described first paragraph (2) and described second segment (3), described 4th segment (12) is formed with described first segment (9) and described 4th segment second segment (122) are formed with described 3rd segment (11) is sequentially contrary;
Step 34: described second segment (10) overlaps described 4th segment second segment first segment (1221), thus form the 4th lap-joint (15), from described 4th lap-joint (15), 3rd segment (11) described in described second segment (10) lap wound, form the 5th lap-joint (16), described second segment (10) is contrary with the overlap joint order of the 5th lap-joint (16) that the 3rd segment (11) described in described second segment (10) lap wound is formed in the overlap joint order of described 4th lap-joint (15) with described 4th segment second segment first segment (1221), described second segment (10) is separated into the second segment first paragraph (101) and the second segment second segment (102) by described 5th lap-joint (15),
Step 35: the circle that described second segment second segment (102) surrounds through described 3rd lap segment-four segment first paragraph-four segment second segment, and pass in this circle.
3. a low-speed wind tunnel flutter test model guard wire, it is characterized in that, described low-speed wind tunnel flutter test model guard wire for the low-speed wind tunnel flutter test model guard wire of employing as described in claim 1 or 2 knots be method the low-speed wind tunnel flutter test model guard wire that formed.
4. a wind-tunnel flutter test system, it is characterized in that, described wind-tunnel flutter test system comprises wind-tunnel, flutter model and low-speed wind tunnel flutter test model guard wire as claimed in claim 3, and described flutter model is arranged in described wind-tunnel by described low-speed wind tunnel flutter test model guard wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849132.6A CN105509994B (en) | 2015-11-26 | 2015-11-26 | It is method that a kind of low-speed wind tunnel flutter test model guard wire, which knots, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849132.6A CN105509994B (en) | 2015-11-26 | 2015-11-26 | It is method that a kind of low-speed wind tunnel flutter test model guard wire, which knots, |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509994A true CN105509994A (en) | 2016-04-20 |
| CN105509994B CN105509994B (en) | 2019-04-23 |
Family
ID=55718137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510849132.6A Active CN105509994B (en) | 2015-11-26 | 2015-11-26 | It is method that a kind of low-speed wind tunnel flutter test model guard wire, which knots, |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105509994B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112231801A (en) * | 2020-09-25 | 2021-01-15 | 深圳市华阳国际工程设计股份有限公司 | BIM-based hole protection generation method and device and computer storage medium |
| CN113465874A (en) * | 2021-06-01 | 2021-10-01 | 中国航空工业集团公司沈阳飞机设计研究所 | Flutter model protective structure based on fiber material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6596015B1 (en) * | 1999-07-13 | 2003-07-22 | Loma Linda University Medical Center | Methods and apparatus for annealing sutures |
| CN101597837A (en) * | 2009-07-08 | 2009-12-09 | 中国农业大学 | A kind of special-shaped 8 words knot machinery becomes the knot method |
| CN101887657A (en) * | 2009-05-14 | 2010-11-17 | 李景峰 | Cord knot |
| CN102235937A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Flutter suppression device for airplane model |
| US20130289620A1 (en) * | 2009-07-22 | 2013-10-31 | Incumed Incorporated | Square lock suture knot |
| CN104963999A (en) * | 2015-07-30 | 2015-10-07 | 李先登 | Two bowline triangular locking knot and knotting method |
-
2015
- 2015-11-26 CN CN201510849132.6A patent/CN105509994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6596015B1 (en) * | 1999-07-13 | 2003-07-22 | Loma Linda University Medical Center | Methods and apparatus for annealing sutures |
| CN101887657A (en) * | 2009-05-14 | 2010-11-17 | 李景峰 | Cord knot |
| CN101597837A (en) * | 2009-07-08 | 2009-12-09 | 中国农业大学 | A kind of special-shaped 8 words knot machinery becomes the knot method |
| US20130289620A1 (en) * | 2009-07-22 | 2013-10-31 | Incumed Incorporated | Square lock suture knot |
| CN102235937A (en) * | 2010-05-06 | 2011-11-09 | 中国商用飞机有限责任公司 | Flutter suppression device for airplane model |
| CN104963999A (en) * | 2015-07-30 | 2015-10-07 | 李先登 | Two bowline triangular locking knot and knotting method |
Non-Patent Citations (1)
| Title |
|---|
| 朱仰慈、郑菡萍: "《实用绳结200例》", 31 August 2003 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112231801A (en) * | 2020-09-25 | 2021-01-15 | 深圳市华阳国际工程设计股份有限公司 | BIM-based hole protection generation method and device and computer storage medium |
| CN113465874A (en) * | 2021-06-01 | 2021-10-01 | 中国航空工业集团公司沈阳飞机设计研究所 | Flutter model protective structure based on fiber material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509994B (en) | 2019-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2014102008A (en) | HIGH-STRENGTH CYLINDER SHELL AND METHOD FOR ITS MANUFACTURE | |
| CN105509994A (en) | Knot making and buckling method for protection wire of low-speed wind tunnel flutter testing model | |
| CN105556193B (en) | The protective sleeve and its construction and application method of rolling up bag with closure and detent mechanism | |
| CN209515236U (en) | A kind of packing for sea cable | |
| CN204570351U (en) | Type double twisting device is put in a kind of outer receipts | |
| KR101799457B1 (en) | Non-cutting Type of Optical Fiber Cable Nets | |
| WO2015015277A3 (en) | Improved reinforcement strip for repairing fluid transport pipes | |
| CN107864420A (en) | A kind of fixing means of earphone cord | |
| CN104914534A (en) | Use method of optical cable wire-rewinding machine | |
| CN204682755U (en) | The Telescope umbrella modified node method of stay cord is established in a kind of | |
| CN103757953B (en) | A kind of insertion method of end eye thimble of 12 bursts of braided cable | |
| CN206004243U (en) | Cross coil | |
| CN113465874A (en) | Flutter model protective structure based on fiber material | |
| CN105253250A (en) | Processing method of anchor stagnation in anchor drawing test | |
| CN206634873U (en) | A kind of textile machines fabric drum | |
| CN205170022U (en) | Packing band wire wheel | |
| CN207711496U (en) | A kind of banding machine of honeycomb cardboard fly-cutting | |
| CN206214674U (en) | A kind of falling protecting device of field operation individual soldier physical training device | |
| CN209308431U (en) | A kind of steel strand wires stringing device of the expansion joint small space suitable for both ends | |
| CN109667264A (en) | A kind of installation guard method of fiber-optic grating sensor on overlength anchor cable | |
| KR20150000819U (en) | Preform device for rubber hose, steel wire spiral | |
| CN220929843U (en) | Dustproof telescopic jacket of cylinder | |
| CN203494743U (en) | Splicing cover film | |
| CN112884870B (en) | Unfolding method of three-dimensional model, electronic equipment and computer storage medium | |
| CN207450886U (en) | Anti- longitudinal tear steel cable core conveying belt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |