CN212473859U - Water surface rope rescue system in flood season - Google Patents
Water surface rope rescue system in flood season Download PDFInfo
- Publication number
- CN212473859U CN212473859U CN202021543198.5U CN202021543198U CN212473859U CN 212473859 U CN212473859 U CN 212473859U CN 202021543198 U CN202021543198 U CN 202021543198U CN 212473859 U CN212473859 U CN 212473859U
- Authority
- CN
- China
- Prior art keywords
- rope
- weaving
- main rope
- auxiliary
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Ropes Or Cables (AREA)
Abstract
The utility model provides a flood season surface of water rope rescue system, including safety hook, main rope, fastening lock, safety belt and auxiliary rope, the safety hook and the fastening lock are connected respectively to main rope both ends, and the fastening lock is connected with the safety belt, and the auxiliary rope is independent rope, the main rope includes main rope skin and main rope core, the auxiliary rope includes auxiliary rope skin and auxiliary rope core, the surface of main rope and auxiliary rope all is equipped with the heat setting coating; the weight of each meter of the main rope is less than 70g, the diameter is 10-11.5mm, the slip rate of the sheath core is less than 0.3%, the static elongation is less than 4%, the first maximum impact force is less than 6KN, the water absorption rate is less than 5%, the breaking strength is more than or equal to 25KN, and the knotting coefficient is less than 1; the weight of each meter of the auxiliary rope is less than 44g, the diameter is 5-8mm, and the breaking strength is more than or equal to 10 KN. The utility model discloses have light in weight, waterproof performance is good and be applicable to the quick rescue of stranded personnel in flood season, individual soldier on water, for saving as early as possible the flood season personnel such as fall into water win the valuable time, mobility, flexibility are high, but wide application in fields such as flood prevention rescue, rescue on water.
Description
Technical Field
The utility model relates to a flood season surface of water rope rescue system belongs to flood season rescue equipment technical field.
Background
The large-range heavy rainfall usually easily causes flood and geological disasters, directly harms the life safety of personnel, needs fire rescue personnel, traffic police or other volunteers to rescue in one line, but the existing rescue equipment in the flood season is heavy, has poor maneuverability and poor individual rescue capability, and the main rope in the existing rope rescue system does not have a waterproof function, so that the performance of the rope is reduced after meeting water, and the rescue efficiency and the success rate are seriously affected.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defect, the utility model aims at providing a flood season surface of water rope rescue system that light in weight, waterproof performance are good, mobility, flexibility are high is applicable to stranded personnel in flood season, the quick rescue of individual soldier on water, wins the valuable time for saving personnel such as falling into water in flood season as early as possible, but wide application in fields such as flood prevention rescue, rescue on water.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a water surface rope rescue system in a flood season comprises a safety hook, a main rope, a fastening lock, a safety belt and an auxiliary rope, wherein the two ends of the main rope are respectively connected with the safety hook and the fastening lock; the weight of each meter of the main rope is less than 70g, the diameter is 10-11.5mm, the slip rate of the sheath core is less than 0.3%, the static elongation is less than 4%, the first maximum impact force is less than 6KN, the water absorption rate is less than 5%, the breaking strength is more than or equal to 25KN, and the knotting coefficient is less than 1; the weight of each meter of the auxiliary rope is less than 44g, the diameter is 5-8mm, and the breaking strength is more than or equal to 10 KN.
Preferably, the safety hook comprises a hanging ring, a hook body and an opening moving part, wherein the hanging ring and the hook body are integrally formed and are arranged at the tail end of the hook body, one end of the opening moving part is rotatably connected with the upper part of the hanging ring, the other end of the opening moving part is in contact connection with the inner side of the front end of the hook body, and the main rope is connected with the hanging ring.
Further, the weight of the safety hook is 420g, the longitudinal tension is not less than 22KN, and the opening size is as follows: 50mm, length: 210mm, is a piece of aluminum or steel material.
Preferably, the fastening lock comprises a lock body and a lock catch, and the safety belt is a full-body safety belt and is connected in the lock body.
Furthermore, the weight of the fastening lock is 220g, the longitudinal tension is larger than or equal to 22KN, the size of the opening is 22mm, and the length is 104 mm.
Preferably, the main rope skin folded yarn of the main rope skin is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 630D-2000D, the twist degree is set to be 90-170 twists/meter, the twist direction is half S twist direction and half Z twist direction, and the weaving mode of plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving and twill weave 48 weaving can be adopted;
the main rope core adopts a twisted wire structure, the number of the main rope core is 6-13, each main rope core is formed by twisting 3-5 first main rope core strands in a composite mode, the first main rope core strands are formed by primarily twisting 8-12 nylon fibers with the fineness specification of 420D-1680D, the primary twist degree is set to be 110-220 twist/m, and the secondary twist degree is set to be 80-130 twist/m;
the main rope core is of a rope core weaving structure, the second main rope core folded yarn of the main rope core is formed by twisting and weaving 2-4 nylon fibers with the fineness specification of 420D-1000D, the twist degree is set to 110-.
Preferably, the auxiliary rope skin folded yarn of the auxiliary rope skin is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 420D-840D, the twist degree is set to 120-fold yarn/meter, the twist direction is half S twist direction and half Z twist direction, and the weaving mode can be plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving or twill weave 48 weaving;
the auxiliary rope core adopts a twisting structure, the number of the auxiliary rope core is 5-9, each auxiliary rope core folded yarn is formed by re-twisting 3-5 auxiliary rope core folded yarns, the auxiliary rope core folded yarn is formed by primarily twisting 7-10 nylon fibers with the fineness specification of 420D-840D, the primary twisting degree is set to be 130-one 260 twist/m, and the re-twisting degree is set to be 100-one 180 twist/m.
The utility model discloses have light in weight, waterproof performance is good and be applicable to the quick rescue of stranded personnel in flood season, individual soldier on water, for saving as early as possible the flood season personnel such as fall into water win the valuable time, mobility, flexibility are high, but wide application in fields such as flood prevention rescue, rescue on water.
Drawings
Fig. 1 is the utility model relates to a flood season surface of water rope rescue system's schematic structure.
Fig. 2 is a schematic structural view of the safety hook of the present invention.
Fig. 3 is a schematic structural view of the main rope of the present invention.
Fig. 4 is a schematic structural view of the fastening lock of the present invention.
Fig. 5 is a schematic structural view of the safety belt of the present invention.
In the figure: 1. a safety hook; 11. hanging a ring; 12. a hook body; 13. an opening movable piece; 2. a main rope; 21. a main rope cover; 22. a main rope core; 3. fastening and locking; 31. a lock body, 32, a lock catch; 4. a safety belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the flood season water surface rope rescue system comprises a safety hook 1, a main rope 2, a fastening lock 3, a safety belt 4 and an auxiliary rope, wherein two ends of the main rope 2 are respectively connected with the safety hook 1 and the fastening lock 3, the fastening lock 3 is connected with the safety belt 4, the auxiliary rope is an independent rope, the main rope 2 comprises a main rope skin 21 and a main rope core 22, the auxiliary rope comprises an auxiliary rope skin and an auxiliary rope core, and heat setting coatings are respectively arranged on the surfaces of the main rope 2 and the auxiliary rope; the weight of the main rope 2 per meter is less than 70g, the diameter is 10-11.5mm, the slip rate of the sheath core is less than 0.3%, the static elongation is less than 4%, the first maximum impact force is less than 6KN, the water absorption rate is less than 5%, the breaking strength is more than or equal to 25KN, and the knotting coefficient is less than 1; the weight of each meter of the auxiliary rope is less than 44g, the diameter is 5-8mm, and the breaking strength is more than or equal to 10 KN.
As shown in fig. 2, the safety hook 1 includes a hanging ring 11, a hook body 12 and an opening moving part 13, the hanging ring 11 and the hook body 12 are integrally formed and located at the end of the hook body 12, one end of the opening moving part 13 is rotatably connected above the hanging ring 11, the other end of the opening moving part is in contact connection with the inner side of the front end of the hook body 12, and the main rope 2 is connected with the hanging ring 11. The weight of the safety hook 1 is 420g, the longitudinal tension is not less than 22KN, and the opening size is as follows: 50mm, length: 210mm, meets the requirements of standard EN 362 and is made of aluminum or steel. The safety hook 1 is a product in the prior art, and the specific shape and structure thereof are not described in detail herein.
As shown in fig. 4, the fastening lock 3 includes a lock body 31 and a lock catch 32, and the safety belt 4 is a full body safety belt and is connected in the lock body 31. The anti-hooking locking noses of the locking catches 32 prevent hooking during the locking in and the removal. The weight of the fastening lock 3 is 220g, the longitudinal tension is larger than or equal to 22KN, the opening size is 22mm, the length is 104mm, and the requirements of the standard EN 362-EN12275 are met. The fastening lock 3 is a prior art product, and the specific shape and structure thereof are not described in detail herein.
The main rope skin folded yarn of the main rope skin 21 is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 630D-2000D, the twist degree is set to be 90-170 twists/meter, the twist direction is half S twist direction and half Z twist direction, and one weaving mode of plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving and twill weave 48 weaving can be adopted;
the main rope core 22 adopts a twisted wire structure, the number of the main rope core is 6-13, each main rope core is formed by twisting 3-5 first main rope core strands in a composite mode, the first main rope core strands are formed by primarily twisting 8-12 nylon fibers with the fineness specification of 420D-1680D, the primary twist degree is set to be 110-220 twist/m, and the secondary twist degree is set to be 80-130 twist/m;
the main rope core 22 is of a rope core weaving structure, the second main rope core folded yarn of the main rope core is formed by twisting and weaving 2-4 nylon fibers with the fineness specification of 420D-1000D, the twist degree is set to 110-.
The auxiliary rope skin folded yarn of the auxiliary rope skin is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 420D-840D, the twist degree is set to 120-210 twist/m, the twist direction is half S twist direction and half Z twist direction, and the auxiliary rope skin folded yarn can adopt one weaving mode of plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving and twill weave 48 weaving;
the auxiliary rope core adopts a twisting structure, the number of the auxiliary rope core is 5-9, each auxiliary rope core folded yarn is formed by re-twisting 3-5 auxiliary rope core folded yarns, the auxiliary rope core folded yarn is formed by primarily twisting 7-10 nylon fibers with the fineness specification of 420D-840D, the primary twisting degree is set to be 130-one 260 twist/m, and the re-twisting degree is set to be 100-one 180 twist/m.
When a rescue task is executed, the safety hook 1 is connected with a shore safety fixing part, the fastening lock 3 is connected with a safety belt 4 of a rescuer, two ends of the main rope 2 are respectively connected with the safety hook 1 and the fastening lock 3, the auxiliary rope is hung at the waist of the safety belt of the rescuer to be rescued for later use at any time, the auxiliary rope is tied into prussian knots, 8-shaped knots and the like to be connected with a person or an object during rescue, and the rescued person or the object is conveyed to the shore through a conveying device (a kayak and the like) after rescue.
The manufacturing method of the main rope 2 comprises the following steps:
a. main rope skin 21 twisting: taking 3-5 nylon fibers, wherein the fineness specification of a single nylon fiber is 630D-2000D, and combining the nylon fibers into a main rope skin folded yarn in a twisting mode, wherein the twist is set to be 90-170 twists/m;
b. primary twisting of the main rope core 22: taking 8-12 nylon fibers, setting the specification of a single nylon fiber at 420D-1680D, setting the primary twist degree at 110-;
c. main rope core 22 double twisting: twisting 3-5 strands of the first main rope core strand which is primarily twisted in the opposite direction, and setting the twist of the second twist to 80-130 twists/m to prepare a main rope core 22;
d. pre-weaving the rope skin: b, pre-weaving the main rope skin folded yarns prepared in the step a on a full-automatic pre-weaving machine, wherein half of the main rope skin folded yarns are in an S twisting direction, and half of the main rope skin folded yarns are in a Z twisting direction, and pre-weaving the main rope skin folded yarns into bobbins which the sizes of spindles of a high-speed weaving machine are consistent;
e. rope forming: feeding the main rope sheath folded yarn on the yarn tube in the step d and 6-13 main rope cores 22 prepared in the step c into a braiding machine to be braided into a main rope 2;
f. and (3) coating setting: and e, using a hot drawing device to pass the main rope 2 in the step e through a coating groove with the prepared waterproof coating liquid, and then performing heat setting treatment, wherein the temperature is set to be 110-160 ℃, and the time is set to be 3-5 min. The waterproof coating component is fluorine-containing acrylic acid.
The manufacturing method of the main rope 2 can also comprise the following steps:
a. main rope skin 21 twisting: taking 3-5 nylon fibers, wherein the fineness specification of a single nylon fiber is 630D-2000D, and combining the nylon fibers into a main rope skin folded yarn in a twisting mode, wherein the twist is set to be 90-170 twists/m;
b. main rope core 22 twisting: taking 2-4 nylon fiber filaments, wherein the single fineness specification is 420D-1000D, and forming a second main rope core folded yarn in a twisting mode, wherein the twist is set to be 110-one 200 twists/m;
c. pre-weaving the rope core 22: b, pre-weaving the second main rope core folded yarns prepared in the step b on a full-automatic pre-weaving machine, wherein half of the second main rope core folded yarns are in an S-twisting direction, and half of the second main rope core folded yarns are in a Z-twisting direction, and pre-weaving the second main rope core folded yarns into bobbins which the size of spindles of a high-speed weaving machine is consistent;
d. pre-weaving the rope skin: b, pre-weaving the main rope skin folded yarns prepared in the step a on a full-automatic pre-weaving machine, wherein half of the main rope skin folded yarns are in an S twisting direction, and half of the main rope skin folded yarns are in a Z twisting direction, and pre-weaving the main rope skin folded yarns into bobbins which the sizes of spindles of a high-speed weaving machine are consistent;
e. rope forming: feeding the second main rope core folded yarn and the main rope sheath folded yarn on the yarn tube in the steps c and d into a braiding machine to be braided into a main rope 2;
f. and (3) coating setting: and e, using a hot drawing device to pass the main rope 2 in the step e through a coating groove with the prepared waterproof coating liquid, and then performing heat setting treatment, wherein the temperature is set to be 110-160 ℃, and the time is set to be 3-5 min. The waterproof coating component is fluorine-containing acrylic acid.
The manufacturing method of the auxiliary rope comprises the following steps:
a. auxiliary rope skin twisting: taking 3-5 nylon fibers, wherein the specification of single fiber is 420D-840D, and the nylon fibers are twisted into a strand of auxiliary rope sheath strand by a twisting mode, and the twist is set to 120-;
b. assisting the rope core in first twisting: taking 7-10 nylon fibers, setting the specification of a single fiber to be 420D-1680D, setting the primary twist degree to be 130-;
c. secondary twisting of the auxiliary rope core: twisting 3-5 strands of auxiliary rope core strands which are primarily twisted in the reverse direction, wherein the secondary twist degree is set to be 100-180 twist/m, and preparing an auxiliary rope core;
d. pre-weaving the rope skin: b, pre-weaving auxiliary rope sheath compound yarns prepared in the step a on a full-automatic pre-weaving machine, wherein half of the auxiliary rope sheath compound yarns are in an S twisting direction, and half of the auxiliary rope sheath compound yarns are in a Z twisting direction, and pre-weaving the auxiliary rope sheath compound yarns into yarn tubes which are in accordance with the size of spindles of a high-speed weaving machine;
e. rope forming: feeding the auxiliary rope sheath folded yarns on the yarn tube in the step d and the 5-19 auxiliary rope cores prepared in the step c into a braiding machine to be braided into auxiliary ropes;
f. and (3) coating setting: and e, using a hot drawing device to pass the auxiliary rope in the step e through a coating groove prepared with waterproof coating liquid, and then performing heat setting treatment, wherein the temperature is set to be 100-120 ℃, and the time is set to be 5-10 min.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a flood season surface of water rope rescue system which characterized in that: the safety rope comprises a safety hook, a main rope, a fastening lock, a safety belt and an auxiliary rope, wherein two ends of the main rope are respectively connected with the safety hook and the fastening lock, the fastening lock is connected with the safety belt, the auxiliary rope is an independent rope, the main rope comprises a main rope skin and a main rope core, the auxiliary rope comprises an auxiliary rope skin and an auxiliary rope core, and heat setting coatings are arranged on the surfaces of the main rope and the auxiliary rope; the weight of each meter of the main rope is less than 70g, the diameter is 10-11.5mm, the slip rate of the sheath core is less than 0.3%, the static elongation is less than 4%, the first maximum impact force is less than 6KN, the water absorption rate is less than 5%, the breaking strength is more than or equal to 25KN, and the knotting coefficient is less than 1; the weight of each meter of the auxiliary rope is less than 44g, the diameter is 5-8mm, and the breaking strength is more than or equal to 10 KN.
2. The flood season water surface rope rescue system according to claim 1, characterized in that: the safety hook comprises a hanging ring, a hook body and an opening moving part, wherein the hanging ring and the hook body are integrally formed and are arranged at the tail end of the hook body, one end of the opening moving part is rotatably connected with the upper part of the hanging ring, the other end of the opening moving part is in contact connection with the inner side of the front end of the hook body, and the main rope is connected with the hanging ring.
3. The flood season water surface rope rescue system according to claim 2, characterized in that: the weight of the safety hook is 420g, the longitudinal tension is not less than 22KN, and the opening size is as follows: 50mm, length: 210mm, is a piece of aluminum or steel material.
4. The flood season water surface rope rescue system according to claim 1, characterized in that: the fastening lock comprises a lock body and a lock catch, and the safety belt is a whole-body safety belt and is connected in the lock body.
5. The flood season water surface rope rescue system according to claim 4, characterized in that: the weight of the fastening lock is 220g, the longitudinal tension is not less than 22KN, the size of the opening is 22mm, and the length is 104 mm.
6. The flood season water surface rope rescue system according to claim 1, characterized in that: the main rope skin folded yarn of the main rope skin is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 630D-2000D, the twist degree is set to be 90-170 twists/m, the twist direction is half S twist direction and half Z twist direction, and one weaving mode of plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving and twill weave 48 weaving can be adopted;
the main rope core adopts a twisted wire structure, the number of the main rope core is 6-13, each main rope core is formed by twisting 3-5 first main rope core strands in a composite mode, the first main rope core strands are formed by primarily twisting 8-12 nylon fibers with the fineness specification of 420D-1680D, the primary twist degree is set to be 110-220 twist/m, and the secondary twist degree is set to be 80-130 twist/m;
the main rope core is of a rope core weaving structure, the second main rope core folded yarn of the main rope core is formed by twisting and weaving 2-4 nylon fibers with the fineness specification of 420D-1000D, the twist degree is set to 110-.
7. The flood season water surface rope rescue system according to claim 1, characterized in that: the auxiliary rope skin folded yarn of the auxiliary rope skin is formed by twisting and weaving 3-5 nylon fibers with the fineness specification of 420D-840D, the twist degree is set to 120-210 twist/m, the twist direction is half S twist direction and half Z twist direction, and the auxiliary rope skin folded yarn can adopt one weaving mode of plain weave 16 weaving, plain weave 24 weaving, plain weave 32 weaving, plain weave 48 weaving, twill weave 16 weaving, twill weave 24 weaving, twill weave 32 weaving and twill weave 48 weaving;
the auxiliary rope core adopts a twisting structure, the number of the auxiliary rope core is 5-9, each auxiliary rope core folded yarn is formed by re-twisting 3-5 auxiliary rope core folded yarns, the auxiliary rope core folded yarn is formed by primarily twisting 7-10 nylon fibers with the fineness specification of 420D-840D, the primary twisting degree is set to be 130-one 260 twist/m, and the re-twisting degree is set to be 100-one 180 twist/m.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021543198.5U CN212473859U (en) | 2020-07-30 | 2020-07-30 | Water surface rope rescue system in flood season |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021543198.5U CN212473859U (en) | 2020-07-30 | 2020-07-30 | Water surface rope rescue system in flood season |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212473859U true CN212473859U (en) | 2021-02-05 |
Family
ID=74453074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021543198.5U Active CN212473859U (en) | 2020-07-30 | 2020-07-30 | Water surface rope rescue system in flood season |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212473859U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112009652A (en) * | 2020-07-30 | 2020-12-01 | 鲁普耐特集团有限公司 | Water surface rope rescue system in flood season |
-
2020
- 2020-07-30 CN CN202021543198.5U patent/CN212473859U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112009652A (en) * | 2020-07-30 | 2020-12-01 | 鲁普耐特集团有限公司 | Water surface rope rescue system in flood season |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212473859U (en) | Water surface rope rescue system in flood season | |
CN108216491A (en) | A kind of novel paving cable ship trailer system | |
CN109629275A (en) | A kind of lightweight rigidity self-lubricating composite rope and preparation method thereof | |
CN110184834B (en) | Three-in-one power climbing rope, manufacturing method thereof and three-in-one power climbing rope equipment | |
CN112009652A (en) | Water surface rope rescue system in flood season | |
CN210596792U (en) | Reducing non-joint safety protection rope | |
CN215163551U (en) | Wear-resistant and high-temperature-resistant cable for operation on tree | |
CN106381736A (en) | Splicing type submarine rope | |
CN110237451B (en) | Cable for harness | |
CN211872389U (en) | Limiting rope | |
CN211498273U (en) | Annular hollow braided rope flat belt | |
CN210323516U (en) | Auxiliary dragging device for optical fiber cable | |
CN209925789U (en) | Novel fire hose | |
CN207468952U (en) | A kind of anti-rebound rope | |
CN214388772U (en) | Rope system for climbing bag | |
CN217896047U (en) | Gum dipping polyester cord with open fire prevention function | |
CN221740747U (en) | Safety rope | |
CN217104474U (en) | Rope with three-layer skin-core structure | |
CN212467029U (en) | Two-in-one power rope | |
CN219286098U (en) | Cable conductor draw head structure | |
CN216947621U (en) | High-permeability steel wire rope for conveying belt | |
CN217629115U (en) | Wear-resisting high strength carbon fiber compound rope | |
CN212505584U (en) | High-buffering water-repellent power cable | |
CN112921496A (en) | Wear-resistant and high-temperature-resistant cable for operation on tree and manufacturing method thereof | |
CN214083199U (en) | High-strength 66 filament for special tire framework |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |