CN111803819A - Anti-falling safety belt for live working - Google Patents
Anti-falling safety belt for live working Download PDFInfo
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- CN111803819A CN111803819A CN202010657130.8A CN202010657130A CN111803819A CN 111803819 A CN111803819 A CN 111803819A CN 202010657130 A CN202010657130 A CN 202010657130A CN 111803819 A CN111803819 A CN 111803819A
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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
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/005—Tapes or ribbons not otherwise provided for
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0065—Organic pigments, e.g. dyes, brighteners
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/042—Acrylic polymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with fluoropolymers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/06—Animal fibres, e.g. hair, wool, silk
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/043—Insulating
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
- D06N2209/128—Non-permeable
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1685—Wear resistance
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1692—Weather resistance
Abstract
A falling-prevention safety belt for live working is sewn by shoulder straps, chest straps, braces and a waistband, wherein: two shoulder belts, one end of each shoulder belt extends downwards from the front of the left shoulder and the right shoulder of the wearer, the other end of each shoulder belt extends downwards from the rear of the left shoulder and the right shoulder of the wearer, and the rear parts of the shoulder belts are fixedly connected by a fixing part; the chest strap is a length-adjustable part and transversely arranged at the chest, and two ends of the chest strap are movably connected with the two shoulder straps through first connecting parts respectively; two straps, one end of which is connected with the fixed part and the other end of which extends downwards from two sides of the back of the wearer; the waistband is transversely arranged at the waist position, and two ends of the waistband are respectively connected with the two braces; the shoulder straps and the braces are mutually connected at the legs of the wearer through second connecting parts and are used for being worn on the legs of the wearer in a matching mode; the shoulder belt, the chest belt, the back belt and the waist belt are made of textile belts; the textile belt is formed by weaving mulberry silk fibers and chemical fiber filament fibers in a mixed mode.
Description
Technical Field
The application belongs to the technical field of safety work protective equipment, and particularly relates to a falling-prevention safety belt for live working.
Background
The distribution live working is an operation method for overhauling and testing high-voltage electrical equipment without power cut. Electrical equipment requires frequent testing, inspection and maintenance over long periods of operation. Live working is an effective measure for avoiding maintenance and power failure and ensuring normal power supply. The contents of live-line work can be divided into live-line test, live-line inspection, live-line maintenance, and the like. Objects of live working include power plant and substation electrical equipment, overhead transmission lines, distribution lines, and power distribution equipment. The main items of live-wire work are: the method comprises the steps of replacing insulators of the line tower in an electrified mode, cleaning and replacing the insulators, washing the insulators with water, repairing wires and overhead ground wires in a compression joint mode, detecting bad insulators, testing and replacing isolating switches and lightning arresters, and testing temperature rise and dielectric loss values of transformers.
Distribution live working is often all high altitude construction, and operation constructor need wear the safety belt of preventing falling. How to ensure the safety of operators in the process of distribution live working, especially how to ensure the safety of the operators in rainy days, humid environment operation and the like becomes more important.
The existing anti-falling safety belt is mostly made of polypropylene fiber, polyester fiber or polyamide fiber, and the safety belt made of the materials can be broken under the high voltage of 170KV, so that the hot-line work under the high voltage environment of 220KV cannot be met; moreover, the storage is easy to be affected with damp, the storage and the storage are required to be placed in a dry environment, and the storage cannot be operated due to the damp in the transportation process and the use process, and the storage can be continuously used after being dehumidified and dried; if in the distribution live working in-process, meet thunderstorm weather suddenly, ordinary safety belt of preventing falling can't in time the safety tear is removed, then causes very big harm to the construction personnel, directly threatens operation personnel personal safety, and this is the difficult problem of long-term puzzlement distribution live power operation trade.
Disclosure of Invention
In view of this, the technical scheme that this application embodiment discloses is live working is with preventing safety belt that falls, should prevent falling the safety belt and set up to dress on the person of wearing with the adaptation, prevent falling the safety belt and form by shoulder belt, pectoral girdle, braces and waistband sewing, wherein:
the two shoulder belts are arranged, one end of each shoulder belt extends downwards from the front of the left shoulder and the front of the right shoulder of the wearer, the other end of each shoulder belt extends downwards from the rear of the left shoulder and the right shoulder of the wearer, and the back parts of the wearers are fixedly connected together by a fixing part;
the chest strap is a length-adjustable part and transversely arranged at the chest, and two ends of the chest strap are movably connected with the two shoulder straps through first connecting parts respectively;
two straps, one end of which is connected with the fixed part and the other end of which extends downwards from two sides of the back of the wearer;
the waistband is transversely arranged at the waist position, and two ends of the waistband are respectively connected with the two braces;
the shoulder straps and the braces are mutually connected at the legs of the wearer through second connecting parts and are used for being worn on the legs of the wearer in a fitting mode; the shoulder belt, the chest belt, the back belt and the waist belt are made of textile belts; textile belt is weaved by mulberry silk fibre and chemical fibre filament fibre mixture, and wherein the content of mulberry silk is not less than 85%, and the specification of mulberry silk is 50 ~ 3000D, and textile belt's width is between 10 ~ 60mm, and textile belt surface cladding has water repellent coating.
Further, some embodiments disclose the safety belt of preventing falling for live working, the chest area includes two parts, passes through the connection of removable buckle between two parts.
Some embodiments disclose a safety belt that prevents falling for live working, is provided with on the waistband and hangs the knot.
Some embodiments disclose a safety belt that prevents falling for live working, are provided with on the pectoral girdle and hang the knot.
Some embodiments disclose a safety belt that prevents falling for live working, the width of chest area is 14 ~ 40mm, and thickness is 10 ~ 20 mm.
Some embodiments disclose the anti-falling safety belt for hot-line work, the chemical fiber filaments comprise polyester fiber filaments and/or polyamide fiber filaments.
Some embodiments disclose a fall-preventing safety belt for live working, and the manufacturing method comprises the following steps:
(1) selecting mulberry silk fibers and chemical fiber filament fibers with set specifications and quantity;
(2) respectively selecting 2-100 selected fibers to pass through a yarn divider, and controlling the tension of each fiber to be consistent and to be between 3-100N;
(3) combining the fibers passing through the yarn divider into a strand of yarn, twisting, setting the twist number to be 30-400 twists/m, and twisting into twisted yarn;
(4) twisting yarn to form a warp pan head through a warping machine;
(5) threading and weaving, namely threading and serging according to the size and shape of the textile belt, adjusting the positions of a crochet hook and a serging needle of the ribbon loom, and weaving by adjusting the stitches and the positions of the crochet hook and the serging needle to obtain the textile belt;
(6) carrying out waterproof treatment on the textile belt in waterproof finishing liquid;
(7) draining and heat-setting the textile belt treated by the waterproof coating, wherein the heat-setting temperature is set to be 60-130 ℃, and the heat-setting time is set to be 30-160 min;
(8) cutting the textile belt subjected to heat setting treatment into a set length to obtain shoulder straps, chest straps, waist straps and back straps, sewing according to the structure of the anti-falling safety belt to obtain the anti-falling safety belt for live working, wherein the sewing lines of the sewing part on the safety belt are 16mm to 60mm, and the anti-falling safety belt is obtained by sewing 140-180 needles in a three-layer zigzag manner through sewing threads with the specification of 840D/3 and the breaking strength of more than 200N.
Some embodiments disclose a safety belt that falls is prevented to live working, and waterproof finishing liquid that uses in its preparation method includes oleophobic water repellent agent and water, and the volume ratio of oleophobic water repellent agent to water is 1 ~ 6:4 ~ 9.
Some embodiments disclose a safety belt for preventing falling in live working, wherein the waterproof finishing liquid used in the preparation method comprises dyes, the dyes comprise polar dyes of prasuvin GN and prasuvin B, the bath ratio is 1: 10-40, the pH value is 4-5, and the color is orange, red or blue.
Some embodiments disclose a fall-preventing safety belt for live working, wherein the oleophobic and water repellent agent used in the preparation method comprises organosilicon, fluorine-containing polymer or fluorine-containing acrylate copolymer.
The utility model discloses live working is with preventing safety belt that falls has good insulating and waterproof nature, can bear 220KV alternating voltage, and intensity is high, and wear resistance is good, and acid and alkali resistance corrosivity is good, can maintain electric power construction maintainer's operation safety, can adapt to rainy day or humid environment operation, but wide application in live working such as live working, high-voltage testing, distribution operation, power transmission and transformation work, electric company construction.
Drawings
FIG. 1 is a schematic view of an embodiment 1 of an anti-falling safety belt structure for hot-line work
Detailed Description
The word "embodiment" as used herein, is not necessarily to be construed as preferred or advantageous over other embodiments, including any embodiment illustrated as "exemplary". Performance index tests in the examples of this application, unless otherwise indicated, were performed using routine experimentation in the art. It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; other test methods and techniques not specifically mentioned in the present application are those commonly employed by those of ordinary skill in the art.
The terms "substantially" and "about" are used throughout this disclosure to describe small fluctuations. For example, they may mean less than or equal to ± 5%, such as less than or equal to ± 2%, such as less than or equal to ± 1%, such as less than or equal to ± 0.5%, such as less than or equal to ± 0.2%, such as less than or equal to ± 0.1%, such as less than or equal to ± 0.05%. Numerical data represented or presented herein in a range format is used merely for convenience and brevity and thus should be interpreted flexibly to include not only the numerical values explicitly recited as the limits of the range, but also to include all the individual numerical values or sub-ranges encompassed within that range as if each numerical value and sub-range is explicitly recited. For example, a numerical range of "1 to 5%" should be interpreted to include not only the explicitly recited values of 1% to 5%, but also include individual values and sub-ranges within the indicated range. Thus, included in this numerical range are individual values, such as 2%, 3.5%, and 4%, and sub-ranges, such as 1% to 3%, 2% to 4%, and 3% to 5%, etc. This principle applies equally to ranges reciting only one numerical value. Moreover, such an interpretation applies regardless of the breadth of the range or the characteristics being described. The shoulder straps are belt-like members mainly provided on the back of the human body, the shoulder straps are belt-like members mainly provided on the shoulders of the human body, the chest straps are belt-like members mainly provided on the front chest of the human body, and the waist straps are belt-like members provided on the back waist of the human body. The content of fibers refers to the percentage content of a certain number of fibers to the total number of fibers.
In this disclosure, including the claims, all conjunctions such as "comprising," including, "" carrying, "" having, "" containing, "" involving, "" containing, "and the like are to be understood as being open-ended, i.e., to mean" including but not limited to. Only the conjunctions "consisting of … …" and "consisting of … …" are closed conjunctions.
In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In the examples, some methods, means, instruments, apparatuses, etc. known to those skilled in the art are not described in detail in order to highlight the subject matter of the present application. On the premise of no conflict, the technical features disclosed in the embodiments of the present application may be combined arbitrarily, and the obtained technical solution belongs to the content disclosed in the embodiments of the present application.
In some embodiments, a fall arrest safety belt for live working includes:
the two shoulder belts are arranged, one end of each shoulder belt extends downwards from the front of the left shoulder and the front of the right shoulder of the wearer, the other end of each shoulder belt extends downwards from the rear of the left shoulder and the right shoulder of the wearer, and the back parts of the wearers are fixedly connected together by a fixing part; generally, the fixing part is provided with a safety hook for connecting the anti-falling safety belt to a safety part, the fixing part needs to have enough strength, and the corresponding shoulder belt also needs to have strength equivalent to that of the safety part, for example, the strength of the shoulder belt is set to be more than 15 KN; the shoulder strap is a textile strap generally, the textile strap is formed by weaving mulberry silk fibers and chemical fiber filament fibers in a mixed mode, wherein the content of the mulberry silk is not lower than 85%, the specification of the mulberry silk is 50-3000D, the width of the textile strap is 10-60 mm, and the surface of the textile strap is coated with a water-repellent coating;
the chest strap is a length-adjustable part and transversely arranged at the chest, and two ends of the chest strap are movably connected with the two shoulder straps through first connecting parts respectively; usually, the chest strap is a textile strap, the textile strap is formed by weaving mulberry silk fibers and chemical fiber filament fibers in a mixed mode, the content of the mulberry silk is not lower than 85%, the specification of the mulberry silk is 50-3000D, the width of the textile strap is 10-60 mm, and the surface of the textile strap is coated with a water-repellent coating; the chest strap is arranged at the chest position, is generally movably connected through the first connecting part, and can be adjusted by adjusting the position of the first connecting part on the shoulder strap so as to adapt to wearers with different body types, namely an adjustable buckle can be adopted as the first connecting part; usually the first connecting part needs to have sufficient strength and the corresponding chest strap needs to have comparable strength, e.g. the breaking strength of the chest strap is set to be more than 15 KN;
two straps, one end of which is connected with the fixed part and the other end of which extends downwards from two sides of the back of the wearer; usually the straps are attached to the fixing part so as to form a good connection with the fixing part, the other end extends downwards from one side of the back, the two straps extend downwards, and are connected by a belt at the waist position so as to be limited on the back of the wearer; the common braces are textile belts, the textile belts are formed by weaving mulberry silk fibers and chemical fiber filament fibers in a mixed mode, the content of the mulberry silk is not lower than 85%, the specification of the mulberry silk is 50-3000D, the width of each textile belt is 10-60 mm, and the surfaces of the textile belts are coated with water-repellent coatings; it is also generally desirable for the harness to have suitable strength, for example a breaking strength greater than 15KN, in order to meet fall arrest harness design requirements;
the waistband is transversely arranged at the waist position, and two ends of the waistband are respectively connected with the two braces; usually, the waist belt is arranged at the waist position of a wearer and is connected with the two shoulder belts, so that the anti-falling safety belt has a stable structure on the back; usually, the waistband can be also provided with a hook so as to hang accessories such as a tool bag, a working tool and the like; the waistband is a textile tape usually, the textile tape is formed by weaving mulberry silk fibers and chemical fiber filament fibers in a mixed mode, the content of the mulberry silk is not lower than 85%, the specification of the mulberry silk is 50-3000D, the width of the textile tape is 10-60 mm, and the surface of the textile tape is coated with a water-repellent coating; it is also generally desirable for the waistband to have suitable strength, for example a breaking strength greater than 10KN, in order to meet fall arrest harness design requirements;
typically, the shoulder straps and the back straps are interconnected at the wearer's legs by second connecting members for fitting to the wearer's legs; usually, the shoulder straps and the braces are connected through the second connecting parts, so that the shoulder straps and the braces can be quickly connected and separated, and the lengths of the shoulder straps and the braces can be adjusted, so that the shoulder straps and the braces can be well attached around the legs of a wearer, and the safety of the wearer is enhanced; the shoulder straps, chest straps, back straps and waist straps may be made of the same textile strip in general; the belt-shaped components at different parts can also be manufactured by adopting different textile belts, for example, the widths, the thicknesses or the colors of the shoulder belt, the chest belt, the back belt and the waist belt can be set to be different or partially different so as to adapt to the strength requirements of the components at different parts, and meanwhile, the identification performance of the safety belt can be improved, for example, bright colors such as fluorescence are increased, the identification degree of operators can be improved, and the safety is improved.
As an optional embodiment, the chemical fiber filament comprises polyester fiber or polyamide fiber, the specification is 50-3000D, and the content of the chemical fiber filament is not more than 15%.
As an alternative embodiment, the chemical fiber filament of the anti-falling safety belt for hot-line work comprises polyester fiber filament and/or polyamide fiber filament. For example, polyester fiber can be selected as chemical fiber filament, and textile belts can be woven by taking mulberry silk fiber as fiber raw material; polyamide fiber can be selected as chemical fiber filament, and the chemical fiber filament and mulberry silk fiber can be used as fiber raw materials to weave textile belts; or polyamide fiber and polyester fiber and mulberry silk fiber can be selected as fiber raw materials to weave the textile belt, wherein the sum of the content of the polyamide fiber and the content of the polyester fiber is not more than 15 percent, and the proportion of the polyamide fiber and the polyester fiber can be set according to the technical requirements of the textile belt;
as an alternative embodiment, the chest strap of the anti-falling safety belt for live working comprises two parts which are connected through a detachable buckle.
In an alternative embodiment, the chest strap of the anti-falling safety belt for hot-line work is provided with a hanging buckle for installing hanging accessories such as a work tool, a tool bag and the like.
As an optional embodiment, the chest strap of the anti-falling safety belt for hot-line work has the width of 14-40 mm, the thickness of 10-20 mm and the breaking strength of more than 15 KN.
As an optional embodiment, the sewing lines of the sewing parts of the anti-falling safety belt for live working are 16mm by 60mm, and the anti-falling safety belt for live working is obtained by three layers of zigzag sewing 140-180 needles of sewing threads with the specification of 840D/3 and the breaking strength of more than 200N.
Some embodiments disclose the anti-falling safety belt for live working, the water-repellent coating on the surface of the textile belt is obtained by coating waterproof finishing liquid on the surface of the textile belt and performing drying heat treatment. Usually, the water-proof finishing liquid contains an oil-repellent water-repellent agent, and the water-proof coating contains a corresponding oil-repellent water-repellent agent, such as organosilicon, fluorine-containing polymer or fluorine-containing acrylate copolymer. As an alternative embodiment, the waterproof finishing liquid also comprises dyes, and the waterproof coating layer comprises corresponding dyes, so that the appearance of the textile belt is correspondingly colored.
Some embodiments disclose a fall-preventing safety belt for live working, and the manufacturing method comprises the following steps:
(1) selecting mulberry silk fibers and chemical fiber filament fibers with set specifications and quantity; the number of the mulberry silk fibers is not less than 85 percent, the number of the chemical fiber filaments is not more than 15 percent, and the sum of the two fibers is 100 percent;
(2) respectively selecting 2-100 selected fibers to pass through a yarn divider, and controlling the tension of each fiber to be consistent and to be between 3-100N; usually, the tension of the yarn divider is adjustable, and the tension is adjusted according to the number and thickness of the fibers, so that the tension of each fiber is kept the same;
(3) combining mulberry silk fibers and chemical fiber filament fibers which pass through a yarn divider into a strand of yarn, twisting, setting the twist number to be 30-400 twists/m, and twisting into twisted yarn;
(4) twisting yarn to form a warp pan head through a warping machine;
(5) threading and weaving, namely threading and serging according to the size and shape of the textile belt, adjusting the positions of a crochet hook and a serging needle of the ribbon loom, and weaving by adjusting the stitches and the positions of the crochet hook and the serging needle to obtain the textile belt; in a common yarn threading process, yarns need to pass through a creel, and then pass through a reed, a lace chain, a dropper, a palm threading, a dropper and a palm hole in sequence to complete the yarn threading process;
(6) carrying out waterproof treatment on the textile belt in waterproof finishing liquid; generally, the waterproofing treatment is carried out in a container with a waterproofing finishing liquid, so that the waterproofing finishing agent is uniformly coated on the surface of the textile belt to form a uniformly distributed waterproofing coating;
(7) draining and heat-setting the textile belt treated by the waterproof coating, wherein the heat-setting temperature is set to be 60-130 ℃, and the heat-setting time is set to be 30-160 min; the heating mode of the heat setting can be selected from heating rod heating, infrared heating, high-frequency electromagnetic heating, steam heating and the like;
(8) cutting the textile belt subjected to heat setting treatment into a set length to obtain shoulder straps, chest straps, waist straps and back straps, sewing according to the structure of the anti-falling safety belt to obtain the anti-falling safety belt, wherein the sewing lines of the sewing part on the safety belt are 16mm by 60mm, and the anti-falling safety belt is obtained by three-layer zigzag sewing of 140-180 needles of sewing threads with the specification of 840D/3 and the breaking strength of more than 200N. For example, AE Dongmei sewing thread can be selected, high oil and UV are contained, the specification is 840D/3, the breaking strength is larger than 200N, the requirement of the technical scheme of the application is met, the sewing line is 16mm x 60mm, the strength utilization rate of the sewing thread can be ensured to be larger than 80%, and the strength of the sewing part can be ensured to be equivalent to that of the anti-falling safety belt textile belt by the three-layer zigzag seam 140 and 180 needles.
Some embodiments disclose a safety belt that falls is prevented to live working, and waterproof finishing liquid that uses in its preparation method includes oleophobic water repellent agent and water, and the volume ratio of oleophobic water repellent agent to water is 1 ~ 6:4 ~ 9.
Some embodiments disclose a safety belt for preventing falling in live working, wherein the waterproof finishing liquid used in the preparation method comprises dyes, the dyes comprise polar dyes of prasuvin GN and prasuvin B, the bath ratio is 1: 10-40, the pH value is 4-5, and the color is orange, red or blue. Usually the water repellent finishing liquid contains dyes, which can be used to obtain textile tapes of different colours, which are tailored to produce different strap-like parts, such as shoulder straps, chest straps, waist straps or back straps.
Some embodiments disclose a fall-preventing safety belt for live working, wherein the oleophobic and water repellent agent used in the preparation method comprises organosilicon, fluorine-containing polymer or fluorine-containing acrylate copolymer.
The technical details are further illustrated in the following examples.
Example 1
Fig. 1 is a schematic view of a fall-prevention safety belt for hot-line work disclosed in embodiment 1.
Embodiment 1 discloses a live working is with preventing safety belt that falls includes:
two shoulder straps 1, one end of which extends downwards from the front of the left and right shoulders of the wearer, and the other end of which extends downwards from the back of the left and right shoulders of the wearer, respectively, and the back parts of which are fixedly connected together by a fixing part 5;
the chest strap 2 is a length-adjustable part and is transversely arranged at the chest position, and two ends of the chest strap are movably connected with the two shoulder straps 1 through first connecting parts 21 respectively; the chest belt 2 consists of two parts which are detachably connected through a quick release buckle 22;
two braces 3, one end of which is connected with the fixing part 5 and the other end extends downwards from two sides of the back of the wearer respectively;
the waistband 4 is transversely arranged at the waist position, and two ends of the waistband are respectively connected with the two braces 3;
the shoulder strap 1 and the shoulder strap 3 are connected to each other at the wearer's leg by a second connecting member 31 for fitting to the wearer's leg; the shoulder belt, the chest belt, the back belt and the waist belt are made of textile belts; textile belt is weaved by mulberry silk fibre and chemical fibre filament fibre mixture, and wherein the content of mulberry silk is not less than 85%, and the specification of mulberry silk is 50 ~ 3000D, and textile belt's width is between 10 ~ 60mm, and textile belt surface cladding has water repellent coating.
The utility model discloses live working is with preventing safety belt that falls has good insulating and waterproof nature, can bear 220KV alternating voltage, and intensity is high, and wear resistance is good, and acid and alkali resistance corrosivity is good, can maintain electric power construction maintainer's operation safety, can adapt to rainy day or humid environment operation, but wide application in live working such as live working, high-voltage testing, distribution operation, power transmission and transformation work, electric company construction.
The technical solutions and the technical details disclosed in the embodiments of the present application are only examples to illustrate the inventive concept of the present application, and do not constitute limitations on the technical solutions of the present application, and all the inventive changes, substitutions, or combinations that are made to the technical details disclosed in the present application without creativity are the same as the inventive concept of the present application and are within the protection scope of the claims of the present application.
Claims (10)
1. Live working is with preventing safety belt that falls, its characterized in that should prevent that the safety belt that falls sets up to dress on the person of wearing with the adaptation, prevent falling the safety belt and form by baldric, pectoral girdle, braces and waistband sewing, wherein:
the two shoulder belts are arranged, one ends of the two shoulder belts respectively extend downwards from the front parts of the left and right shoulders of the wearer, the other ends of the two shoulder belts respectively extend downwards from the rear parts of the left and right shoulders of the wearer, and the back parts of the wearer are fixedly connected together by a fixing part;
the chest strap is a length-adjustable part and transversely arranged at the chest, and two ends of the chest strap are movably connected with the two shoulder straps through first connecting parts respectively;
two straps, one end of which is connected with the fixing part and the other end of which extends downwards from two sides of the back of the wearer;
the waistband is transversely arranged at the waist position, and two ends of the waistband are respectively connected with the two braces;
the shoulder straps and the shoulder straps are mutually connected at the legs of the wearer through second connecting parts and are used for being worn on the legs of the wearer in a fitting mode; the shoulder straps, the chest straps, the back straps and the waist belt are made of textile belts; textile belt is weaved by mulberry silk fibre and chemical fibre filament fibre mixture and forms, and wherein the content of mulberry silk is not less than 85%, and the specification of mulberry silk is 50 ~ 3000D, and textile belt's width is between 10 ~ 60mm, and textile belt surface cladding has water repellent coating.
2. The anti-fall safety belt for hot-line work as claimed in claim 1, wherein the chest strap comprises two parts connected by a detachable buckle.
3. The anti-falling safety belt for hot-line work as claimed in claim 1, wherein the waist belt is provided with a hanging buckle.
4. The anti-falling safety belt for hot-line work as claimed in claim 1, wherein the chest belt is provided with a hanging buckle.
5. The anti-falling safety belt for hot-line work according to claim 1, wherein the chest strap has a width of 14 to 40mm and a thickness of 10 to 20 mm.
6. The anti-fall safety belt for hot-line work according to claim 1, wherein the chemical fiber filaments comprise polyester fiber filaments and/or polyamide fiber filaments.
7. The anti-falling safety belt for hot-line work of claim 1, which is manufactured by the method comprising:
(1) selecting mulberry silk fibers and chemical fiber filament fibers with set specifications and quantity;
(2) respectively selecting 2-100 selected fibers to pass through a yarn divider, and controlling the tension of each fiber to be consistent and to be between 3-100N;
(3) combining the fibers passing through the yarn divider into a strand of yarn, twisting, setting the twist number to be 30-400 twists/m, and twisting into twisted yarn;
(4) twisting yarn to form a warp pan head through a warping machine;
(5) threading and weaving, namely threading and serging according to the size and shape of the textile belt, adjusting the positions of a crochet hook and a serging needle of the ribbon loom, and weaving by adjusting the stitches and the positions of the crochet hook and the serging needle to obtain the textile belt;
(6) carrying out waterproof treatment on the textile belt in waterproof finishing liquid;
(7) draining and heat-setting the textile belt treated by the waterproof coating, wherein the heat-setting temperature is set to be 60-130 ℃, and the heat-setting time is set to be 30-160 min;
(8) cutting the textile belt subjected to heat setting treatment into a set length to obtain shoulder straps, chest straps, waist straps and back straps, sewing according to the structure of the anti-falling safety belt to obtain the anti-falling safety belt for live working, wherein the sewing lines of the sewing part on the safety belt are 16mm to 60mm, and the anti-falling safety belt is obtained by sewing 140-180 needles in a three-layer zigzag manner through sewing threads with the specification of 840D/3 and the breaking strength of more than 200N.
8. The anti-falling safety belt for live working according to claim 7, characterized in that the waterproof finishing liquid comprises an oleophobic and water repellent agent and water, and the volume ratio of the oleophobic and water repellent agent to the water is 1-6: 4-9.
9. The anti-falling safety belt for hot-line work as claimed in claim 7, wherein the waterproof finishing liquid comprises dyes, the dyes comprise polar dyes of prasuvin GN and prasuvin B, the bath ratio is 1: 10-40, the pH value is 4-5, and the colors are orange, red or blue.
10. The anti-fall safety belt for hot-line work according to claim 8, wherein the oil-repellent and water-repellent agent comprises silicone, a fluoropolymer, or a fluoroacrylate copolymer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010657130.8A CN111803819A (en) | 2020-07-09 | 2020-07-09 | Anti-falling safety belt for live working |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010657130.8A CN111803819A (en) | 2020-07-09 | 2020-07-09 | Anti-falling safety belt for live working |
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| CN111803819A true CN111803819A (en) | 2020-10-23 |
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| CN202010657130.8A Pending CN111803819A (en) | 2020-07-09 | 2020-07-09 | Anti-falling safety belt for live working |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112921494A (en) * | 2021-01-27 | 2021-06-08 | 鲁普耐特集团有限公司 | Flat belt for high-voltage impact-resistant power distribution live working and manufacturing method thereof |
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Application publication date: 20201023 |