CN105597247A - Stitched structure for end parts of parachute strap adjusting bands and making method thereof - Google Patents
Stitched structure for end parts of parachute strap adjusting bands and making method thereof Download PDFInfo
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- CN105597247A CN105597247A CN201610046062.5A CN201610046062A CN105597247A CN 105597247 A CN105597247 A CN 105597247A CN 201610046062 A CN201610046062 A CN 201610046062A CN 105597247 A CN105597247 A CN 105597247A
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- Prior art keywords
- accommodation zone
- suture
- cloth
- accommodation
- triangles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0006—Harnesses; Accessories therefor
- A62B35/0025—Details and accessories
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air Bags (AREA)
- Woven Fabrics (AREA)
Abstract
The invention discloses a stitched structure for end parts of parachute strap adjusting bands and a making method thereof. The stitched structure comprises adjusting bands (1) and reinforcing fabrics (2), wherein the adjusting bands (1) are folded in order that the end parts of the adjusting bands (1) are covered with other parts of the adjusting bands (1), thereby forming a rectangular folding area; the reinforcing fabrics (2) are arranged between two layers of adjusting bands in the folding area; after two triangles are removed from the folding area by cutting, a polygon is formed; the folding area is stitched along the edges of the polygon through stitches (3); the corner cutting edges are provided with saw-tooth stitches (3) for reinforcing and fixing; two sides formed after removal of the triangles from the folding area are subjected to fusion treatment. The stitched structure has high stability, the service lives of the adjusting bands can be prolonged greatly, and the use safety can be enhanced greatly.
Description
Technical field
The invention belongs to parachute technology field, more specifically, relate to a kind of parachute harness accommodation zoneSuture texture of end and preparation method thereof.
Background technology
Braces is requisite system component in personnel parachute, as the troop parachute that air arm uses, warThe escape parachute that bucket machine pilot uses, and civilian various sport parachutes, as paraglider, parafoil, powerUmbrellas etc. all be can't do without braces. Braces is parachute and parachutist's attaching parts, is also transmitted loadStressed member. Braces is as the requisite equipment of personnel parachute, and its selection mainly contains following requirement:(1) distribution of force is reasonable, evenly, simple in structure, lightweight; (2) safe and reliable, have enoughIntensity; (3) reusable, and dress easy to adjust.
Material conventional in parachute harness equipment is for washing silk ribbon or bright and beautiful silk ribbon, and its intensity not only meets and makesThe requirement of strength of used time, simultaneously also needs to select to have certain flexible material, can proof strength,Overload impact can reduce parachute-opening again time, to ensure aircrew's use or lifesaving safety.
Braces generally has certain versatility, and the people of different statures can be by regulating bracesAdjustment structure, regulates and reaches the individual demand that meets their different statures, the adjustment structure one of bracesAs be divided into that chest regulates, waist regulates, shelves portion regulates and highly regulate, accommodation zone is partly referred to as in adjusting;The use point of accommodation zone is a lot, and the quantity of the upper accommodation zone of a common tool braces equipment is no less than 5. AdjustWhat joint was with takes the lead to be generally made into round end or tip, and the place of taking the lead requires to turn down stitching simultaneously, makesUsed time is not deviate from adjusting button, to ensure to use safety.
Escape parachute braces as supporting in active service model aircraft is the ribbon material of washing that adopts certain thick type,In the design that former design is taken the lead at adjusting joint, only adopt and directly will take the lead, after turnover, first to use single file suture edgeTaking the lead final profile is fixed, then electric scissors corner cut, and reusable heat TURP cutter is by two-layer accommodation zoneMaterial clinkering together, prevents the methods that material fiber is loose. But in the recent period, find which sideMethod exists potential problem often to occur in product line using process, to the use longevity of whole bracesLife produces certain impact, does not form so far corresponding solution or effective scheme.
Analyze from selection and the structure of this model braces accommodation zone: (1) existing accommodation zone takes the lead to adoptBe the high-intensity ribbon material of washing of thick type, but because the thickness of material is large, material fiber bundle is thicker,Wash silk or bright and beautiful wire material fiber surface smooth, after corner cut, the weft fiber two ends at corner cut place are cut off to warpCut off to fibre bundle termination, cause taking the lead to locate warp fiber bundle and weft fiber bundle all can not be by effectively solidFixed, although having carried out thermoelectricity clinkering, corner cut place solidifies, after fibrous material solidifies, fragility is very large, is difficult forBending, after repeatedly using, clinkering thing comes off, the place's of taking the lead fluffing distortion; (2) thickness of material and intensityLarger, must use high-intensity thick suture; (3) according to standard regulation, based on regulating bandThe selection of material and suture, single needle machine is sewed up hour hands code and is required at 15 pin left and right, the more general fine rule of pin codeLittle, fixing point tails off.
The intrinsic existence of above 3, accommodation zone end fiber and single file suture are all in unsettled shapeState, all causes existing braces accommodation zone to take the lead corner cut place yielding, and material fiber and suture adhere to fixingPower is poor, and trimming clinkering thing fragility is very large, after using for several times, is easy to come off, and just there will be list after coming offRow suture and material fiber bundle have all lost fixing, are free state, and suture and material fiber are loose de-Situation about going out, and then can have influence on the serviceability of braces, serious meeting causes taking the lead losing efficacy, because adjustingJoint band can not overhauling property, the defect that this structural design of existing braces accommodation zone exists, finally leadsCause the situation that lost efficacy and scrap in the whole braces life-span, reduced the service life of braces, can shadow when seriousRing confidence or flight safety to pilot.
Summary of the invention
For above defect or the Improvement requirement of parachute harness prior art, the object of the invention is toSuture texture of a kind of parachute harness accommodation zone end and preparation method thereof is provided, wherein passes through thisCombination and the form parameter etc. of suture texture are improved, compared with prior art can efficient solutionCertainly parachute regulates the accommodation zone of harness to take the lead the problem that fiber and suture deviate from, this suture textureGood stability, can improve service life and the safety in utilization of accommodation zone greatly.
For achieving the above object, according to one aspect of the present invention, provide a kind of parachute harness to adjustThe suture texture of joint strap end portion, is characterized in that, comprises accommodation zone (1), strengthens cloth (2), itsIn,
Described accommodation zone (1) makes the end of described accommodation zone (1) by described accommodation zone (1) through foldingOther parts cover the fold domain that forms rectangular shapes;
Described reinforcement cloth (2) is arranged between the two-layer accommodation zone of this fold domain;
This fold domain forms polygonal shape after two triangles are removed in cutting, and this fold domain is logicalCross suture (3) and sew up along this polygonal edge, described two triangles are removed through cutting in this fold domainFuse process is also passed through on two limits that shape forms.
As present invention further optimization, remove described two triangles along described fold domain through cuttingTwo limits that shape forms also have additional and sew up stitching is zigzag suture (3).
As present invention further optimization, described accommodation zone (1) is for washing silk ribbon or nylon tape.
As present invention further optimization, described reinforcement cloth (2) is for washing Si Bu or nylon cloth.
As present invention further optimization, the thickness of described reinforcement cloth (2) is 0.1mm～0.5mm.
According to a further aspect in the invention, provide the stitching of making above-mentioned parachute harness accommodation zone endThe method of structure, is characterized in that, comprises the following steps:
(1) accommodation zone is paved, followed in the setting-out of the end of described accommodation zone to demarcate single needle machine suturePosition; The outline line that the position of described single needle machine suture forms is that rectangular shape cutting is removed two threeThe polygonal shape forming after dihedral, remembers in this polygonal shape and described two leg-of-mutton length of side weightsThe length of side of closing is hypotenuse;
(2) folding described accommodation zone makes the end of this accommodation zone be covered shape by other parts of this accommodation zoneFold domain in a rectangular shape then adds reinforcement between the two-layer accommodation zone of described fold domainCloth; Then, described fold domain is sewed up with single needle machine suture along described setting-out;
(3) adopt three pin zigzag machines, along the hypotenuse in described step (1), this accommodation zone is set up to sawProfile of tooth suture;
(4) described accommodation zone is cut with electric clippers according to the hypotenuse in described step (1)Except two triangles, then along the hypotenuse in described step (1), described accommodation zone is carried out to fuse process.
The above technical scheme of conceiving by the present invention, compared with prior art, falling in the present inventionIt is better that the umbrella braces that falls equipment accommodation zone takes the lead to make structural stability, takes the lead to sew up cut at accommodation zoneAfter angle fusion, clinkering thing is also difficult for embrittlement and comes off, guarantee to take the lead fiber not loose deviate from, thereby ensureService life and security.
Suture texture of the present invention has used reinforcement cloth first under accommodation zone end, takes the lead at accommodation zoneDiscount is arranged with reinforcement cloth, and strengthening has stronger adhesive force between the fiber of cloth, be difficult for loose, whenAfter accommodation zone corner cut, strengthen cloth and be clipped in the middle, play stronger support and hold sanction effect, single needle machine sutureAll had fixing point, suture own is not yielding and deviate from corner cut edge, can will regulate band simultaneouslyMaterial fibre bundle is fixed on to be strengthened, on cloth, being difficult for loose and coming off; Accommodation zone and reinforcement cloth material are all selectedMaterial that can clinkering, together curable after thermoelectricity clinkering, more can play fixation; In addition, cutCorner edge place increases use three pin zigzag sutures first, has strengthened the fiber pull-out capacity at corner cut place, noBut can play stronger fixation, after ensureing that the fixed thing in accommodation zone edge comes off, also can not simultaneouslyGenerating material fiber is loose to come off, and causes accommodation zone to take the lead to be out of shape, and impact is used function or braces to useThe situation in life-span.
To sum up, the accommodation zone of parachute harness in the present invention equipment is taken the lead suture texture, by seamClose the mode that reinforcement cloth is set in structure, and increased the prop carrier of taking the lead to locate fiber and suture,The thermoelectricity clinkering of corner cut edge is solidified, and has prevented from taking the lead corner cut fluffing and running, in addition at corner cut edgeIncrease and use zigzag suture, more strengthened accommodation zone fiber and suture and be fixedly attached on reinforcement clothAdhesive force, three kinds of methods are used simultaneously, form a kind of stable structure, can effectively prevent from regulatingBand the place's of taking the lead fiber and suture loose, deviate from, be out of shape the product failure causing, do not affecting usabilityIn the situation of energy, extend the service life of braces equipment. Suture texture in the present invention can be applicable toThe accommodation zone end of any a series of model braces equipments of parachute, also can be applied to other dressOn the accommodation zone with regulatory function effect of standby or product, can make accommodation zone use base more easilyOn plinth, increase product service life and use safety.
Brief description of the drawings
Fig. 1 is that accommodation zone of the present invention takes the lead to make structure chart;
Fig. 2 is that accommodation zone of the present invention takes the lead to make structure chart A-A cut-away view;
Fig. 3 is that accommodation zone of the present invention takes the lead to make structure chart B-B cut-away view.
In figure, the implication of each Reference numeral is as follows: 1 is accommodation zone, and 2 for strengthening cloth, and 3 is suture.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawingAnd embodiment, the present invention is further elaborated. Should be appreciated that described herein concreteEmbodiment only, in order to explain the present invention, is not intended to limit the present invention. In addition described,Involved technical characterictic in each embodiment of the present invention just can as long as do not form to conflict each otherMutually to combine.
Embodiment 1
As Figure 1-3, the suture texture that the accommodation zone of the parachute harness equipment in the present invention is taken the lead,Comprise accommodation zone 1, strengthen cloth 2, suture 3, accommodation zone 1 take the lead discount interlayer be provided with strengthen cloth 2,Accommodation zone is taken the lead both sides, discount fold position and is provided with oblique corner cut, is provided with suture 3 after discount corner cut along edge.Accommodation zone 1 takes the lead to amount to certain length, and the place's of taking the lead surrounding is sewed with single file suture, also volume of edge, corner cut placeBe provided with saw-tooth slot line outward. Corner cut edge requires to carry out thermoelectricity fusion, and without accumulation.
Accommodation zone 1 and strengthen cloth 2 be can the curing material of clinkering (for example, accommodation zone can be selected intensityHigher thick type wash ribbon material, strengthen cloth and can select slim brocade silk cloth material), after corner cut,Thermoelectricity clinkering fuses together accommodation zone 1 and 2 trimmings of reinforcement cloth; Accommodation zone 1 is taken the lead flanging place and is establishedHave oblique corner cut, corner cut edge is near suture 3; Take the lead doubling part surrounding along accommodation zone 1 and be provided with single fileSuture, has additional zigzag suture in corner cut edge.
Suture texture in the present invention is provided with reinforcement cloth at accommodation zone end discount interlayer, and accommodation zone is taken the leadBoth sides, discount fold position are provided with oblique corner cut, and after discount corner cut, being provided with suture along edge (is saw-tooth slotLine); Accommodation zone and to strengthen cloth be can the curing material of clinkering, after corner cut, thermoelectricity clinkering can be by adjustingBand and reinforcement Bu Qiebian fuse together; Accommodation zone is taken the lead flanging place and is provided with oblique corner cut, corner cut edgeNear suture. Take the lead along accommodation zone the suture that doubling part surrounding is provided with and be preferably single file suture, cuttingCorner edge place is preferably provided with zigzag suture.
The material of accommodation zone and reinforcement cloth can be identical, also can be different; Accommodation zone is for washing silk ribbonOr nylon tape (nylon tape is called again bright and beautiful silk ribbon, is molten into liquid state in the time of high temperature, is solid-state under normal temperature),Strengthen cloth for washing Si Bu or nylon cloth (nylon cloth is called again brocade silk cloth). Although accommodation zone and reinforcement clothBoth materials may be identical, but the weaving method of accommodation zone and reinforcement cloth fiber is not identical.Accommodation zone is to organize bill of materials fiber (one group of filamentary diameter of material is generally at 0.1～0.5mm) moreForm one (being fibre bundle), and then multiply is woven together to formation accommodation zone, can ensure to regulateThe intensity of band; Being generally combination mutually between ultimate fibre and strengthen cloth, is mainly to sprawl along plane,Have good flexibility, the thickness of therefore strengthening cloth is generally 0.1～0.5mm. In addition, as requiredStrengthen cloth and can also carry out gluing reinforcement or water-proofing treatment.
Because the thickness of strengthening cloth 2 is only about 0.1～0.5mm, this suture texture can obviously not increase existingHave the thickness of suturing part, do not affect serviceability, the corner cut edge after corner cut can be more neat; And byBe the chemical material that adopts class nylon in strengthening cloth, high temperature melting, normal temperature consolidated, is placed in two-layer adjustingBetween band, clinkering process after accommodation zone can with strengthen cloth and be cured as one, can layering, corner cut edgeAlso can be more even after clinkering, material fiber is difficult for loose coming off, and is conducive to extend the use longevity of bracesLife.
In addition, the present invention is also by setting up zigzag suture further to make up material, suture, pin codeAnd the defect of the accommodation zone end suture texture original structure design that causes of these inherent characteristicses, Neng GoujinOne step ensures working strength, and improves service life.
Common accommodation zone end suture texture (that is, is strengthened cloth other structure ginsengs except not being provided withNumber as thickness, material composition, suture etc. are all consistent) its maximum turns down number of times at tens times,Exceed after this turnover number of times, the material fiber in this accommodation zone suture texture will loosely come off, impactUse safety; And its maximum turnover number of times of the suture texture of accommodation zone end in the present embodiment can reach 200Yu Cihou, still without obviously damage, can extend the service life of accommodation zone and parachute harness greatly,And improve safety in utilization.
Those skilled in the art will readily understand, the foregoing is only preferred embodiment of the present invention,Not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, etc.With replacement and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a suture texture for parachute harness accommodation zone end, is characterized in that, comprises accommodation zone(1), strengthen cloth (2), wherein,
Described accommodation zone (1) makes the end of described accommodation zone (1) by described accommodation zone (1) through foldingOther parts cover the fold domain that forms rectangular shapes;
Described reinforcement cloth (2) is preferably arranged between the two-layer accommodation zone of this fold domain;
This fold domain forms polygonal shape after two triangles are removed in cutting, and this fold domain is logicalCross suture (3) and sew up along this polygonal edge, described two triangles are removed through cutting in this fold domainFuse process is also passed through on two limits that shape forms.
2. the suture texture of parachute harness accommodation zone end as claimed in claim 1, is characterized in that,Two limits that form through described two triangles of cutting removal along described fold domain also have additional sutureMark is zigzag suture (3).
3. the suture texture of parachute harness accommodation zone end as claimed in claim 1, is characterized in that,Described accommodation zone (1) is for washing silk ribbon or nylon tape.
4. the suture texture of parachute harness accommodation zone end as claimed in claim 1, is characterized in that,Described reinforcement cloth (2) is for washing Si Bu or nylon cloth.
5. the suture texture of parachute harness accommodation zone end as claimed in claim 4, is characterized in that,The thickness of described reinforcement cloth (2) is 0.1mm～0.5mm.
6. make the suture knots of parachute harness accommodation zone end as described in claim 1-5 any oneThe method of structure, is characterized in that, comprises the following steps:
(1) accommodation zone is paved, followed in the setting-out of the end of described accommodation zone to demarcate single needle machine suturePosition; The outline line that the position of described single needle machine suture forms is that rectangular shape cutting is removed two threeThe polygonal shape forming after dihedral, remembers in this polygonal shape and described two leg-of-mutton length of side weightsThe length of side of closing is hypotenuse;
(2) folding described accommodation zone makes the end of this accommodation zone be covered shape by other parts of this accommodation zoneFold domain in a rectangular shape then adds reinforcement between the two-layer accommodation zone of described fold domainCloth; Then, described fold domain is sewed up with single needle machine suture along described setting-out;
(3) adopt three pin zigzag machines, along the hypotenuse in described step (1), this accommodation zone is set up to sawProfile of tooth suture;
(4) described accommodation zone is cut with electric clippers according to the hypotenuse in described step (1)Except two triangles, then along the hypotenuse in described step (1), described accommodation zone is carried out to fuse process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046062.5A CN105597247B (en) | 2016-01-25 | 2016-01-25 | A kind of parachute harness adjusts the suture texture and preparation method thereof of strap end portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046062.5A CN105597247B (en) | 2016-01-25 | 2016-01-25 | A kind of parachute harness adjusts the suture texture and preparation method thereof of strap end portion |
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| Publication Number | Publication Date |
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| CN105597247A true CN105597247A (en) | 2016-05-25 |
| CN105597247B CN105597247B (en) | 2018-09-25 |
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| CN201610046062.5A Active CN105597247B (en) | 2016-01-25 | 2016-01-25 | A kind of parachute harness adjusts the suture texture and preparation method thereof of strap end portion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862268A (en) * | 2016-05-31 | 2016-08-17 | 襄阳宏伟航空器有限责任公司 | Sewing structure for brake parachute bag |
| CN107024152A (en) * | 2017-05-27 | 2017-08-08 | 襄阳宏伟航空器有限责任公司 | The sewing processing method and product of a kind of connection collar suitable for aerial bomb parachute |
| CN109596667A (en) * | 2018-11-12 | 2019-04-09 | 襄阳宏伟航空器有限责任公司 | Material lifetime based on the Arrhenius Equation tests set temperature appraisal procedure |
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| GB905415A (en) * | 1958-12-01 | 1962-09-05 | Barrow Hepburn & Gale Ltd | Industrial safety belts and straps |
| US4396091A (en) * | 1980-06-05 | 1983-08-02 | Anderson Jeffrey J | Self adjustable harness or sling |
| US4570974A (en) * | 1984-04-30 | 1986-02-18 | Arthur Dove | Safety vest |
| US4938436A (en) * | 1988-08-31 | 1990-07-03 | Survival Engineering Corporation | Safety harness and belt assemblies for aircraft crewmembers |
| JPH09135913A (en) * | 1995-11-17 | 1997-05-27 | Sanko Kk | Belt with hook |
| GB2309628A (en) * | 1996-01-29 | 1997-08-06 | Brien Larry Dale O | Safety harness |
| CN2715802Y (en) * | 2004-08-30 | 2005-08-10 | 公安部上海消防研究所 | Safety waist belt for fire-fighting |
| US20090200106A1 (en) * | 2005-04-04 | 2009-08-13 | Mckay Sean | Rapid extraction body harness with extendable drag straps |
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2016
- 2016-01-25 CN CN201610046062.5A patent/CN105597247B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB905415A (en) * | 1958-12-01 | 1962-09-05 | Barrow Hepburn & Gale Ltd | Industrial safety belts and straps |
| US4396091A (en) * | 1980-06-05 | 1983-08-02 | Anderson Jeffrey J | Self adjustable harness or sling |
| US4570974A (en) * | 1984-04-30 | 1986-02-18 | Arthur Dove | Safety vest |
| US4938436A (en) * | 1988-08-31 | 1990-07-03 | Survival Engineering Corporation | Safety harness and belt assemblies for aircraft crewmembers |
| JPH09135913A (en) * | 1995-11-17 | 1997-05-27 | Sanko Kk | Belt with hook |
| GB2309628A (en) * | 1996-01-29 | 1997-08-06 | Brien Larry Dale O | Safety harness |
| CN2715802Y (en) * | 2004-08-30 | 2005-08-10 | 公安部上海消防研究所 | Safety waist belt for fire-fighting |
| US20090200106A1 (en) * | 2005-04-04 | 2009-08-13 | Mckay Sean | Rapid extraction body harness with extendable drag straps |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862268A (en) * | 2016-05-31 | 2016-08-17 | 襄阳宏伟航空器有限责任公司 | Sewing structure for brake parachute bag |
| CN107024152A (en) * | 2017-05-27 | 2017-08-08 | 襄阳宏伟航空器有限责任公司 | The sewing processing method and product of a kind of connection collar suitable for aerial bomb parachute |
| CN107024152B (en) * | 2017-05-27 | 2018-07-06 | 襄阳宏伟航空器有限责任公司 | The sewing processing method and product of a kind of connection lantern ring suitable for aerial bomb parachute |
| CN109596667A (en) * | 2018-11-12 | 2019-04-09 | 襄阳宏伟航空器有限责任公司 | Material lifetime based on the Arrhenius Equation tests set temperature appraisal procedure |
| CN109596667B (en) * | 2018-11-12 | 2021-03-09 | 襄阳宏伟航空器有限责任公司 | Material life test set temperature evaluation method based on Arrhenius equation |
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|---|---|
| CN105597247B (en) | 2018-09-25 |
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