CN110565521A - Composite-sheath inhaul cable body and manufacturing method thereof - Google Patents
Composite-sheath inhaul cable body and manufacturing method thereof Download PDFInfo
- Publication number
- CN110565521A CN110565521A CN201910860794.1A CN201910860794A CN110565521A CN 110565521 A CN110565521 A CN 110565521A CN 201910860794 A CN201910860794 A CN 201910860794A CN 110565521 A CN110565521 A CN 110565521A
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- China
- Prior art keywords
- steel wire
- wire bundle
- twisting
- protective layer
- base
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/40—Plastics
Abstract
the invention relates to a composite-sheath inhaul cable body and a manufacturing method thereof, and the composite-sheath inhaul cable body comprises a steel wire bundle, a wrapping tape, a polyethylene inner protective layer, a polyethylene outer protective layer and an isolating film, wherein the steel wire bundle is formed by twisting steel wires, the wrapping tape is wound on the outer side of the steel wire bundle, the polyethylene inner protective layer is wrapped on the outer side of the wrapping tape, the polyethylene outer protective layer is wrapped on the outer side of the polyethylene inner protective layer, the isolating film is arranged between the wrapping tape and the polyethylene inner protective layer, the isolating film is wound on the outer side of the wrapping tape, and the polyethylene inner protective layer. The composite-sheath inhaul cable body and the manufacturing method thereof can exert the pulling force of each steel wire, effectively ensure the pulling force of the steel wire bundle as a main stress piece, have good protection effect on the steel wire bundle, and can ensure the service life of the steel wire bundle in a normal stress state.
Description
Technical Field
The invention relates to the technical field of stay cable bodies, in particular to a composite-sheath stay cable body and a manufacturing method thereof.
Background
The zipper is an upper structure of a cable-stayed bridge, is a main stress piece of the cable-stayed bridge, bears the gravity of a bridge deck, and is safe to the safe operation of the bridge and the safety of pedestrians and traveling vehicles on the bridge, the zipper is composed of a lock body and anchorage devices arranged at two ends of the lock body, the lock body is generally composed of high-strength galvanized steel wires and a polyethylene protective layer, the steel wires are stress pieces, the polyethylene protective layer plays a role in protecting the steel wires, so the service life of the steel wires is vital to the safety of the bridge, the steel wires are twisted with each other to form a steel wire bundle, the steel wire bundle formed by twisting a large number of steel wires is used as a main stress piece of the cable-stayed lock body, the tensile force borne by the steel wire bundle is greatly influenced when the twisting quality of the steel wires of the steel wire bundle is good, for example, when the spiral angles of the steel wire bundle are inconsistent, the steel wire bundle is stressed unevenly, if the steel wires are twisted disorderly, some steel, the tension born by the steel wire bundle is reduced, and based on the tension, the inhaul cable body and the manufacturing method thereof are provided.
Disclosure of Invention
in view of the above, there is a need for a composite sheath inhaul cable body and a manufacturing method thereof, including a steel wire bundle, a wrapping tape, a inner polyethylene protective layer, an outer polyethylene protective layer and a barrier film, wherein the steel wire bundle is formed by twisting steel wires, the number of the steel wires of the steel wire bundle is 130-700, the diameter of a single steel wire is 7mm, the wrapping tape is wound on the outer side of the steel wire bundle, the inner polyethylene protective layer is wrapped on the outer side of the wrapping tape, the outer polyethylene protective layer is wrapped on the outer side of the inner polyethylene protective layer, the barrier film is arranged between the wrapping tape and the inner polyethylene protective layer, the barrier film is wound on the outer side of the wrapping tape, and the inner polyethylene protective.
The invention provides another technical scheme: a manufacturing method of a composite sheath inhaul cable body comprises the following steps:
S1: winding the steel wire into a steel wire bundle;
S2: tightly winding the wrapping tape on the outer side of the steel wire bundle;
S3: wrapping an isolating film on the outer side of the wrapping tape, performing edge folding treatment on the edge of the isolating film by using an edge folding machine, performing combination treatment on an edge opening by using a roller press, performing edge sealing treatment by using an edge sealing machine after the edge folding treatment is combined, and finally shaping the edge sealing by using a shaping machine;
s4: and extruding the inner polyethylene protective layer on the outer side of the isolating film by using an extruding machine, and extruding the outer polyethylene protective layer on the outer side of the inner polyethylene protective layer.
preferably, the steel wires are twisted into steel wire bundles by a steel wire twisting machine, the steel wire twisting machine comprises a base, a twisting motor and a twisting winch, a motor base and a twisting disc positioning seat are arranged at the upper end of the base, the motor base is fixedly arranged at the upper end of the left side of the base, the twisting motor is arranged at the upper end of the motor base, a rotating shaft is fixedly arranged at the output end of the twisting motor, and a meshing gear is fixedly arranged at the front end of the rotating shaft; the twisting winch positioning seat is fixedly welded on the base at two sides of the meshing wheel, one end of the meshing gear is fixedly welded with a shaft disc, and the other end of the shaft disc is movably sleeved in the positioning groove of the twisting winch positioning seat; positioning ring shafts are fixedly arranged at two side ends of the twisting plate, and the outer sides of the positioning ring shafts are sleeved in positioning ring grooves on the inner sides of the twisting plate positioning seats; a support frame is arranged on the right side of the base, a steel wire bundle fixing piece is fixedly arranged at the upper end of the support frame, and the steel wire bundle penetrates through the steel wire bundle fixing piece; the twisting winch is provided with steel wire holes which are annularly arranged outwards at equal angles, steel wires penetrate through the steel wire holes, and the central line of the twisting winch and the central line of the tow fixing piece are on the same straight line; the upper end of the base is provided with a controller, and the twisting motor is electrically connected with the controller.
according to the center distance between the torsion winch and the steel wire bundle fixing piece and the spiral angle required for twisting the steel wires in the steel wire bundle, the controller is programmed and set with a corresponding program to control the rotation number of the twisting motor, so as to accurately control the spiral angle of the twisted steel wires, arrange the steel wire holes outwards in a circular ring shape at equal angles, ensure that all the steel wires passing through are regularly and fully twisted together, ensure that each steel wire in the steel wire bundle can fully exert the maximum tension, solve the problems that the steel wires of the traditional steel wire bundle twisted by the steel wires are unevenly stressed, some steel wires cannot exert the tension action under the stress, and the like, reduce the maximum tension action exerted by the steel wire bundle, and wind the winding belt, the isolating film, the inner polyethylene protective layer and the outer polyethylene protective layer outside the steel wire bundle in sequence to play a very good role in protecting the inner steel wire bundle, the inner steel wire bundle can not contact with the external air and water, so the inner steel wire bundle can not be rusted, and the working state of the inner steel wire bundle is ensured; the whole tensile force of every steel wire can be exerted, the tensile force effect of the steel wire bundle as a main stress piece is effectively guaranteed, the steel wire bundle is not corroded by the external environment when in use, and the service life of the steel wire bundle under the normal stress state is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a wire twisting machine according to an embodiment of the present invention;
FIG. 3 is a view showing a state of attaching a cable body according to the embodiment of the present invention;
FIG. 4 is a side view of a twist disk of an embodiment of the invention;
Fig. 5 is a diagram showing a state where the separation film is wound according to the embodiment of the present invention.
In the figure: 1. a steel wire bundle; 2. wrapping a tape; 3. a protective layer of inner polyethylene; 4. an outer polyethylene protective layer; 5. an isolation film; 6. a steel wire; 7. a machine base; 8. twisting the motor; 9. twisting a winch; 10. a motor base; 11. twisting the disc positioning seat; 12. a rotating shaft; 13. a toothed wheel; 14. a reel; 15. positioning the ring shaft; 16. a positioning ring groove; 17. a support frame; 18. a tendon fixing member; 19. a steel wire hole; 20. and a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the composite sheath inhaul cable body and the manufacturing method thereof according to the present invention are further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
referring to fig. 1 to 4, the composite-sheath inhaul cable body of the embodiment of the invention includes a steel wire bundle 1, a wrapping tape 2, a inner polyethylene protective layer 3, an outer polyethylene protective layer 4 and an isolating film 5, wherein the steel wire bundle 1 is formed by twisting steel wires 6, the number of the steel wires 6 of the steel wire bundle 1 is 130 to 700, the diameter of each steel wire 6 is 7mm, the wrapping tape 2 is wound on the outer side of the steel wire bundle 1, the inner polyethylene protective layer 3 is wrapped on the outer side of the wrapping tape 2, the outer polyethylene protective layer 4 is wrapped on the outer side of the inner polyethylene protective layer 3, the isolating film 5 is arranged between the wrapping tape 2 and the inner polyethylene protective layer 3, the isolating film 5 is wound on the outer side of the wrapping tape 2, and the inner polyethylene protective layer 3 is wrapped on the outer.
The invention provides another technical scheme: a manufacturing method of a composite sheath inhaul cable body comprises the following steps:
The first step is as follows: winding the steel wire 6 into a steel wire bundle 1;
the second step is that: tightly winding the wrapping tape 2 on the outer side of the steel wire bundle 1;
the third step: wrapping an isolating film 5 on the outer side of the wrapping tape 2, performing edge wrapping treatment on the edge of the isolating film 5 by using an edge wrapping machine, performing combination treatment on an edge opening by using a roller press, performing edge sealing treatment by using an edge sealing machine, and shaping the edge sealing by using a shaping machine;
the fourth step: the inner polyethylene protective layer 3 is extruded on the outside of the barrier film 5 and the outer polyethylene protective layer 4 is extruded on the outside of the inner polyethylene protective layer 3 by an extruder.
wherein: in the first step, the steel wire 6 is twisted into the steel wire bundle 1 by adopting a steel wire twisting machine, the steel wire twisting machine comprises a base 7, a twisting motor 8 and a twisting disc 9, the upper end of the base 7 is provided with a motor base 10 and a twisting disc positioning base 11, the motor base 10 is fixedly arranged at the upper end of the left side of the base 7, the twisting motor 8 is arranged at the upper end of the motor base 10, the output end of the twisting motor 8 is fixedly provided with a rotating shaft 12, and the front end of the rotating shaft 12 is fixedly provided with a meshing gear 13; the twisting disc positioning seat 11 is fixedly welded on the base 7 at two sides of the meshing gear 13, one end of the meshing gear 13 is fixedly welded with a shaft disc 14, and the other end of the shaft disc 14 is movably sleeved in the positioning groove of the twisting winch positioning seat 11; positioning ring shafts 15 are fixedly installed at two side ends of the twisting disc 9, and the outer sides of the positioning ring shafts 15 are sleeved in positioning ring grooves 16 on the inner sides of the twisting disc positioning seats 11; a support frame 17 is arranged on the right side of the base 7, a steel wire bundle fixing piece 18 is fixedly arranged at the upper end of the support frame 17, and the steel wire bundle 1 penetrates through the steel wire bundle fixing piece 18; the twisting disc 9 is provided with a steel wire hole 19, the steel wire hole 19 is arranged outwards in a circular ring shape at equal angles, the steel wire 6 passes through the steel wire hole 19, and the central line of the twisting disc 9 and the central line of the steel wire bundle fixing piece 18 are on the same straight line; the controller 20 is installed at the upper end of the base 7, the twisting motor 8 is electrically connected with the controller 20, when the device works, the twisting motor 8 works to drive the meshing gear 13 to rotate, the meshing gear 13 is meshed with the twisting disc 9, so that the twisting disc 9 is synchronously driven to rotate, the steel wire bundle fixing part 18 fixes the steel wire bundle at the other end, and under the rotation of the twisting disc 9, the steel wires between the twisting disc 9 and the steel wire bundle fixing part 18 are twisted into the steel wire bundle 1 which is used as a stress main part of the zipper lock body.
Wherein: the wrapping tape 2 in the second step is tightly wound on the outer side of the steel wire bundle 1, the steel wire bundle 1 is subjected to compacting treatment, the steel wire bundle 1 is prevented from contacting with air and water outside, the steel wire bundle 1 is prevented from being corroded to reduce strength, when the wrapping tape 2 is wound, the twisting direction of the first wrapping tape 2 and the twisting direction of the steel wire bundle 1 are opposite, the winding direction of the second wrapping tape 2 and the first wrapping tape 2 are opposite, 3-4 wrapping tapes 2 are wound in the phase-changing mode, and glue brushing and compacting connection are conducted between every two layers of wrapping tapes 2.
wherein: the isolation film 5 in the third step is coated outside the wrapping tape 2, the isolation film 5 is wound on the wrapping tape 2 in a staggered double-layer mode (see fig. 5), the isolation film 5 is not broken in the winding process, an edge rolling machine is used for edge rolling treatment of staggered edges of the isolation film 5 after winding, a roller press is used for combining treatment of staggered edges, an edge sealing machine is used for edge sealing treatment after combination, and finally a shaping machine is used for shaping the edge sealing, the winding mode is adopted, the edge rolling machine is used for edge rolling treatment, a roller press is used for combining treatment, and the edge sealing machine is used for edge sealing treatment, so that the winding tape 2 is completely isolated from the outside, the isolation film 5 has good toughness, and therefore after external impact, external impact objects are difficult to penetrate through the isolation film 5 directly, and good sealing performance of the internal wrapping tape 2 can be guaranteed.
Wherein: adopt the extruding machine in above-mentioned fourth step with the 3 extrusions of inner polyethylene inoxidizing coating in the outside of barrier film 5, the outside of polyethylene inoxidizing coating 3 including the 4 extrusions of outer polyethylene inoxidizing coating, outer polyethylene inoxidizing coating 4 and inner polyethylene inoxidizing coating 3 are with inside barrier film 5, keep apart with the external world around band 2 and steel strand 1, outer polyethylene inoxidizing coating 4 and the 3 anti striking ability reinforce of inner polyethylene inoxidizing coating, can guarantee inside barrier film 5 after receiving the striking, do not receive destruction around band 2, thereby avoid making around band 2 fissures because of the external object collision, guarantee around the 2 winding leakproofness in band, make the unable entering of external rainwater air, inside steel strand 1 can not contact hungry outside air and water and corrosion.
The composite sheath inhaul cable body and the manufacturing method thereof are characterized in that a steel wire bundle 1 is used as a main stress piece, the steel wire bundle 1 is formed by twisting steel wires 6, in order to ensure that each steel wire 6 can be fully stressed and ensure that the composite sheath inhaul cable body fully plays the role of each steel wire 6, the steel wire bundle 1 can reach the maximum tension, and a steel wire twisting machine is adopted to twist the steel wires 6 into the steel wire bundle 1 in the manufacturing process of the composite sheath inhaul cable body;
The strand 1 is twisted as follows: the steel wire 6 is passed through the wire hole 19 of the twisting capstan 9, the passed steel wire 6 is passed through the slotted hole of the wire bundle fixing member 18 and the passed steel wire is fixed, according to the center distance between the twisting capstan 9 and the wire bundle fixing member 18, and the required twisting helix angle of the steel wire 6 in the steel wire bundle 1, the number of turns of the twisting motor 8 is programmed in the controller 20, to precisely control the helix angle of the twist of the wires 6, the steel wire holes 19 are arranged outwards at equal angles in a circular ring shape, so that the steel wires 6 can be twisted together regularly and fully, the maximum tensile force of each steel wire 6 in the steel wire bundle 1 can be fully exerted, the problems that the steel wires 6 are stressed unevenly and some steel wires 6 cannot be stressed to exert the tensile force action of the steel wires in the traditional steel wire bundle 1 twisted by the steel wires 6 are solved, and the maximum tensile force action which can be exerted by the steel wire bundle 1 is reduced; the tensile force of each steel wire 6 can be exerted integrally, and the tensile force effect of the steel wire bundle 1 as a main stress piece is effectively ensured; the winding belt 2, the isolating film 5, the inner polyethylene protective layer 3 and the outer polyethylene protective layer 4 are sequentially wound outside the steel wire bundle 1, so that the steel wire bundle 1 inside is well protected, the steel wire bundle 1 inside cannot contact with external air and water, corrosion is avoided, and the working state of the steel wire bundle 1 inside is guaranteed.
the composite sheath inhaul cable body and the manufacturing method thereof are characterized in that according to the center distance between a twisting capstan 9 and a steel wire bundle fixing piece 18 and the spiral angle required for twisting the steel wires 6 in the steel wire bundle 1, the corresponding program is programmed in a controller 20 to control the rotation turns of a twisting motor 8, so as to accurately control the twisting spiral angle of the steel wires 6, the steel wire holes 19 are arranged outwards in a circular ring shape at equal angles, all the steel wires 6 which pass through are twisted together regularly and fully, each steel wire 6 in the steel wire bundle 1 can be ensured to fully exert the maximum tension, the problems that the steel wires 6 are unevenly stressed and some steel wires 6 cannot exert the tension action of the steel wires in the traditional steel wire bundle 1 twisted by the steel wires 6 are solved, the maximum tension action which can be exerted by the steel wire bundle 1 is reduced, and a winding belt 2, an isolating film 5, a polyethylene inner protective layer 3 and a polyethylene outer protective layer 4 are sequentially wound outside the steel wire bundle 1, the steel wire bundle 1 inside can be well protected, and the steel wire bundle 1 inside can not contact with the outside air and water, so that the steel wire bundle can not be rusted, and the working state of the steel wire bundle 1 inside can be ensured; the whole body can exert the pulling force of each steel wire 6, the pulling force effect of the steel wire bundle 1 as a main stress piece is effectively ensured, the steel wire bundle 1 can not be corroded by the external environment when in use, and the service life of the steel wire bundle 1 in a normal stress state is ensured.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. the utility model provides a compound sheath cable body which characterized in that: including steel wire bundle (1), around band (2), interior polyethylene inoxidizing coating (3), outer polyethylene inoxidizing coating (4) and barrier film (5), steel wire bundle (1) is formed by steel wire (6) twisting, steel wire (6) quantity of a bundle of steel wire bundle (1) is 130-700, the diameter of single steel wire (6) is 7mm, wind the outside at steel wire bundle (1) around band (2), interior polyethylene inoxidizing coating (3) parcel is in the outside around band (2), outer polyethylene inoxidizing coating (4) parcel is in the outside of interior polyethylene inoxidizing coating (3), barrier film (5) are established between around band (2) and interior polyethylene inoxidizing coating (3), the outside of winding around band (2) winding, interior polyethylene inoxidizing coating (3) parcel is in the outside of barrier film (5).
2. The manufacturing method of the composite sheath inhaul cable body as claimed in claim 1, wherein: the method comprises the following steps:
s1: winding the steel wire (6) into a steel wire bundle (1);
S2: tightly winding the wrapping tape (2) on the outer side of the steel wire bundle (1);
s3: wrapping the isolating film (5) on the outer side of the wrapping tape (2), performing edge wrapping treatment on the edge of the isolating film (5) by using an edge wrapping machine, performing combination treatment on an edge opening by using a roller press, performing edge sealing treatment by using an edge sealing machine after combination, and finally shaping the edge sealing by using a shaping machine;
S4: an inner polyethylene protective layer (3) is extruded on the outer side of the barrier film (5) by an extruder, and an outer polyethylene protective layer (4) is extruded on the outer side of the inner polyethylene protective layer (3).
3. the manufacturing method of the composite sheath inhaul cable body as claimed in claim 2, wherein: the steel wire (6) is twisted into a steel wire bundle (1) by adopting a steel wire twisting machine, the steel wire twisting machine comprises a base (7), a twisting motor (8) and a twisting disc (9), the upper end of the base (7) is provided with a motor base (10) and a twisting disc positioning seat (11), the motor base (10) is fixedly arranged at the upper end of the left side of the base (7), the twisting motor (8) is arranged at the upper end of the motor base (10), the output end of the twisting motor (8) is fixedly provided with a rotating shaft (12), and the front end of the rotating shaft (12) is fixedly provided with a meshing gear (13); the twisting disc positioning seat (11) is fixedly welded on the machine base (7) on two sides of the meshing gear (13), one end of the meshing gear (13) is fixedly welded with a shaft disc (14), and the other end of the shaft disc (14) is movably sleeved in the positioning groove of the twisting winch positioning seat (11); positioning ring shafts (15) are fixedly installed at two side ends of the twisting disc (9), and the outer sides of the positioning ring shafts (15) are sleeved in positioning ring grooves (16) on the inner sides of the twisting disc positioning seats (11); a support frame (17) is installed on the right side of the base (7), a steel wire bundle fixing piece (18) is fixedly installed at the upper end of the support frame (17), and the steel wire bundle (1) penetrates through the steel wire bundle fixing piece (18); the twisting disc (9) is provided with steel wire holes (19), the steel wire holes (19) are annularly arranged outwards at equal angles, the steel wires (6) penetrate through the steel wire holes (19), and the central line of the twisting disc (9) and the central line of the steel wire bundle fixing piece (18) are on the same straight line; the upper end of the base (7) is provided with a controller (20), and the twisting motor (8) is electrically connected with the controller (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860794.1A CN110565521A (en) | 2019-09-11 | 2019-09-11 | Composite-sheath inhaul cable body and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860794.1A CN110565521A (en) | 2019-09-11 | 2019-09-11 | Composite-sheath inhaul cable body and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110565521A true CN110565521A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860794.1A Pending CN110565521A (en) | 2019-09-11 | 2019-09-11 | Composite-sheath inhaul cable body and manufacturing method thereof |
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| CN1056725A (en) * | 1990-05-23 | 1991-12-04 | 机械电子工业部上海电缆研究所 | The manufacture method of large pitch twisted steel rope and equipment |
| JP4132237B2 (en) * | 1997-06-25 | 2008-08-13 | ディビダーク−システムズ・インテルナチオナル・ゲゼルシヤフト・ミト・ベシュレンクテル・ハフツング | Device for expanding tubular enveloping material |
| CN102953333A (en) * | 2011-08-27 | 2013-03-06 | 上海浦江缆索股份有限公司 | Composite-sheathed stay cable body and production method thereof |
| CN203741716U (en) * | 2013-12-18 | 2014-07-30 | 浙江浦江缆索有限公司 | Cracking-preventing guy cable strand with fiber mesh protection layer |
| CN104205251A (en) * | 2012-03-05 | 2014-12-10 | 胡贝尔舒纳公司 | Method for producing a stranded inner conductor for coaxial cable, and coaxial cable |
| CN106057373A (en) * | 2016-08-17 | 2016-10-26 | 苏州永皓电线有限公司 | Cable stranding machine |
| CN208501368U (en) * | 2018-06-25 | 2019-02-15 | 中国铁建大桥工程局集团有限公司 | A kind of polyethylene high-tensile steel wires drag-line producing device |
| CN109509587A (en) * | 2018-12-27 | 2019-03-22 | 常州恒丰特导股份有限公司 | A kind of multiply special type conductor strand back twist cage stranding machine |
| CN209015779U (en) * | 2018-12-17 | 2019-06-21 | 郑州恒天铜业有限公司 | A kind of stranding device of 19 stranded conductors |
| CN209418210U (en) * | 2019-04-19 | 2019-09-20 | 河南鑫峰电缆有限公司 | High reliability cable processes safety-type stranding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056725A (en) * | 1990-05-23 | 1991-12-04 | 机械电子工业部上海电缆研究所 | The manufacture method of large pitch twisted steel rope and equipment |
| JP4132237B2 (en) * | 1997-06-25 | 2008-08-13 | ディビダーク−システムズ・インテルナチオナル・ゲゼルシヤフト・ミト・ベシュレンクテル・ハフツング | Device for expanding tubular enveloping material |
| CN102953333A (en) * | 2011-08-27 | 2013-03-06 | 上海浦江缆索股份有限公司 | Composite-sheathed stay cable body and production method thereof |
| CN104205251A (en) * | 2012-03-05 | 2014-12-10 | 胡贝尔舒纳公司 | Method for producing a stranded inner conductor for coaxial cable, and coaxial cable |
| CN203741716U (en) * | 2013-12-18 | 2014-07-30 | 浙江浦江缆索有限公司 | Cracking-preventing guy cable strand with fiber mesh protection layer |
| CN106057373A (en) * | 2016-08-17 | 2016-10-26 | 苏州永皓电线有限公司 | Cable stranding machine |
| CN208501368U (en) * | 2018-06-25 | 2019-02-15 | 中国铁建大桥工程局集团有限公司 | A kind of polyethylene high-tensile steel wires drag-line producing device |
| CN209015779U (en) * | 2018-12-17 | 2019-06-21 | 郑州恒天铜业有限公司 | A kind of stranding device of 19 stranded conductors |
| CN109509587A (en) * | 2018-12-27 | 2019-03-22 | 常州恒丰特导股份有限公司 | A kind of multiply special type conductor strand back twist cage stranding machine |
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Application publication date: 20191213 |